| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Gabor Juhos | 26174 | 35.99% | 48 | 10.93% |
| Tomislav Požega | 10026 | 13.78% | 8 | 1.82% |
| Ivo van Doorn | 6114 | 8.41% | 45 | 10.25% |
| Bartlomiej Zolnierkiewicz | 6071 | 8.35% | 20 | 4.56% |
| Roman Yeryomin | 5789 | 7.96% | 1 | 0.23% |
| Stanislaw W. Gruszka | 5368 | 7.38% | 65 | 14.81% |
| Gertjan van Wingerde | 2619 | 3.60% | 55 | 12.53% |
| Stanislaw Gruszka | 1863 | 2.56% | 58 | 13.21% |
| Helmut Schaa | 1725 | 2.37% | 40 | 9.11% |
| Shiji Yang | 1425 | 1.96% | 10 | 2.28% |
| Daniel Golle | 1237 | 1.70% | 13 | 2.96% |
| RA-Shiang Tu | 932 | 1.28% | 1 | 0.23% |
| Woody Hung | 826 | 1.14% | 2 | 0.46% |
| Serge Vasilugin | 538 | 0.74% | 2 | 0.46% |
| Arnd Bergmann | 420 | 0.58% | 7 | 1.59% |
| John Li | 386 | 0.53% | 2 | 0.46% |
| RA-Jay Hung | 301 | 0.41% | 4 | 0.91% |
| Markov Mikhail | 192 | 0.26% | 1 | 0.23% |
| Johannes Berg | 112 | 0.15% | 12 | 2.73% |
| Johannes Stezenbach | 107 | 0.15% | 4 | 0.91% |
| Layne Edwards | 103 | 0.14% | 1 | 0.23% |
| Anisse Astier | 49 | 0.07% | 2 | 0.46% |
| Gustavo A. R. Silva | 42 | 0.06% | 1 | 0.23% |
| Wolfgang Kufner | 34 | 0.05% | 1 | 0.23% |
| Jason A. Donenfeld | 30 | 0.04% | 1 | 0.23% |
| Kevin Lo | 30 | 0.04% | 2 | 0.46% |
| Seth Forshee | 29 | 0.04% | 1 | 0.23% |
| Jakub Kiciński | 26 | 0.04% | 3 | 0.68% |
| Joe Perches | 25 | 0.03% | 2 | 0.46% |
| Sara Sharon | 20 | 0.03% | 1 | 0.23% |
| Zero.Lin | 15 | 0.02% | 1 | 0.23% |
| Larry Finger | 13 | 0.02% | 2 | 0.46% |
| Canek Peláez Valdés | 13 | 0.02% | 1 | 0.23% |
| Villacis at palosanto | 10 | 0.01% | 1 | 0.23% |
| Xose Vazquez Perez | 10 | 0.01% | 1 | 0.23% |
| Chun-Yeow Yeoh | 9 | 0.01% | 1 | 0.23% |
| Sriram R | 8 | 0.01% | 1 | 0.23% |
| Alex A. Mihaylov | 7 | 0.01% | 1 | 0.23% |
| Luigi Tarenga | 6 | 0.01% | 1 | 0.23% |
| Felix Fietkau | 5 | 0.01% | 1 | 0.23% |
| Eli Cooper | 4 | 0.01% | 1 | 0.23% |
| Julia Lawall | 4 | 0.01% | 1 | 0.23% |
| Linus Torvalds (pre-git) | 2 | 0.00% | 1 | 0.23% |
| Thomas Gleixner | 2 | 0.00% | 1 | 0.23% |
| Eliad Peller | 2 | 0.00% | 1 | 0.23% |
| Benoit Papillault | 2 | 0.00% | 1 | 0.23% |
| Igor Perminov | 1 | 0.00% | 1 | 0.23% |
| Alban Browaeys | 1 | 0.00% | 1 | 0.23% |
| Mark Einon | 1 | 0.00% | 1 | 0.23% |
| Josef Bacik | 1 | 0.00% | 1 | 0.23% |
| Karl Beldan | 1 | 0.00% | 1 | 0.23% |
| Linus Torvalds | 1 | 0.00% | 1 | 0.23% |
| Daniel Mack | 1 | 0.00% | 1 | 0.23% |
| Lucas De Marchi | 1 | 0.00% | 1 | 0.23% |
| Hui Tang | 1 | 0.00% | 1 | 0.23% |
| Total | 72734 | 439 |
// SPDX-License-Identifier: GPL-2.0-or-later /* Copyright (C) 2010 Willow Garage <http://www.willowgarage.com> Copyright (C) 2010 Ivo van Doorn <IvDoorn@gmail.com> Copyright (C) 2009 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Copyright (C) 2009 Gertjan van Wingerde <gwingerde@gmail.com> Based on the original rt2800pci.c and rt2800usb.c. Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com> Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org> Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com> Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de> Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com> Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com> <http://rt2x00.serialmonkey.com> */ /* Module: rt2800lib Abstract: rt2800 generic device routines. */ #include <linux/crc-ccitt.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> #include "rt2x00.h" #include "rt2800lib.h" #include "rt2800.h" static unsigned int modparam_watchdog = RT2800_WATCHDOG_DMA_BUSY; module_param_named(watchdog, modparam_watchdog, uint, 0444); MODULE_PARM_DESC(watchdog, "Enable watchdog to recover tx/rx hangs.\n" "\t\t(0=disabled, 1=hang watchdog, 2=DMA watchdog(default), 3=both)"); /* * Register access. * All access to the CSR registers will go through the methods * rt2800_register_read and rt2800_register_write. * BBP and RF register require indirect register access, * and use the CSR registers BBPCSR and RFCSR to achieve this. * These indirect registers work with busy bits, * and we will try maximal REGISTER_BUSY_COUNT times to access * the register while taking a REGISTER_BUSY_DELAY us delay * between each attampt. When the busy bit is still set at that time, * the access attempt is considered to have failed, * and we will print an error. * The _lock versions must be used if you already hold the csr_mutex */ #define WAIT_FOR_BBP(__dev, __reg) \ rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg)) #define WAIT_FOR_RFCSR(__dev, __reg) \ rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg)) #define WAIT_FOR_RFCSR_MT7620(__dev, __reg) \ rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY_MT7620, \ (__reg)) #define WAIT_FOR_RF(__dev, __reg) \ rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg)) #define WAIT_FOR_MCU(__dev, __reg) \ rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \ H2M_MAILBOX_CSR_OWNER, (__reg)) static inline bool rt2800_is_305x_soc(struct rt2x00_dev *rt2x00dev) { /* check for rt2872 on SoC */ if (!rt2x00_is_soc(rt2x00dev) || !rt2x00_rt(rt2x00dev, RT2872)) return false; /* we know for sure that these rf chipsets are used on rt305x boards */ if (rt2x00_rf(rt2x00dev, RF3020) || rt2x00_rf(rt2x00dev, RF3021) || rt2x00_rf(rt2x00dev, RF3022)) return true; rt2x00_warn(rt2x00dev, "Unknown RF chipset on rt305x\n"); return false; } static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u8 value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the BBP becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_BBP(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, BBP_CSR_CFG_VALUE, value); rt2x00_set_field32(®, BBP_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, BBP_CSR_CFG_BUSY, 1); rt2x00_set_field32(®, BBP_CSR_CFG_READ_CONTROL, 0); rt2x00_set_field32(®, BBP_CSR_CFG_BBP_RW_MODE, 1); rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg); } mutex_unlock(&rt2x00dev->csr_mutex); } static u8 rt2800_bbp_read(struct rt2x00_dev *rt2x00dev, const unsigned int word) { u32 reg; u8 value; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the BBP becomes available, afterwards we * can safely write the read request into the register. * After the data has been written, we wait until hardware * returns the correct value, if at any time the register * doesn't become available in time, reg will be 0xffffffff * which means we return 0xff to the caller. */ if (WAIT_FOR_BBP(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, BBP_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, BBP_CSR_CFG_BUSY, 1); rt2x00_set_field32(®, BBP_CSR_CFG_READ_CONTROL, 1); rt2x00_set_field32(®, BBP_CSR_CFG_BBP_RW_MODE, 1); rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg); WAIT_FOR_BBP(rt2x00dev, ®); } value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE); mutex_unlock(&rt2x00dev->csr_mutex); return value; } static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u8 value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the RFCSR becomes available, afterwards we * can safely write the new data into the register. */ switch (rt2x00dev->chip.rt) { case RT6352: if (WAIT_FOR_RFCSR_MT7620(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG_DATA_MT7620, value); rt2x00_set_field32(®, RF_CSR_CFG_REGNUM_MT7620, word); rt2x00_set_field32(®, RF_CSR_CFG_WRITE_MT7620, 1); rt2x00_set_field32(®, RF_CSR_CFG_BUSY_MT7620, 1); rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg); } break; default: if (WAIT_FOR_RFCSR(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG_DATA, value); rt2x00_set_field32(®, RF_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, RF_CSR_CFG_WRITE, 1); rt2x00_set_field32(®, RF_CSR_CFG_BUSY, 1); rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg); } break; } mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800_rfcsr_write_bank(struct rt2x00_dev *rt2x00dev, const u8 bank, const unsigned int reg, const u8 value) { rt2800_rfcsr_write(rt2x00dev, (reg | (bank << 6)), value); } static void rt2800_rfcsr_write_chanreg(struct rt2x00_dev *rt2x00dev, const unsigned int reg, const u8 value) { rt2800_rfcsr_write_bank(rt2x00dev, 4, reg, value); rt2800_rfcsr_write_bank(rt2x00dev, 6, reg, value); } static void rt2800_rfcsr_write_dccal(struct rt2x00_dev *rt2x00dev, const unsigned int reg, const u8 value) { rt2800_rfcsr_write_bank(rt2x00dev, 5, reg, value); rt2800_rfcsr_write_bank(rt2x00dev, 7, reg, value); } static void rt2800_bbp_dcoc_write(struct rt2x00_dev *rt2x00dev, const u8 reg, const u8 value) { rt2800_bbp_write(rt2x00dev, 158, reg); rt2800_bbp_write(rt2x00dev, 159, value); } static u8 rt2800_bbp_dcoc_read(struct rt2x00_dev *rt2x00dev, const u8 reg) { rt2800_bbp_write(rt2x00dev, 158, reg); return rt2800_bbp_read(rt2x00dev, 159); } static void rt2800_bbp_glrt_write(struct rt2x00_dev *rt2x00dev, const u8 reg, const u8 value) { rt2800_bbp_write(rt2x00dev, 195, reg); rt2800_bbp_write(rt2x00dev, 196, value); } static u8 rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev, const unsigned int word) { u32 reg; u8 value; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the RFCSR becomes available, afterwards we * can safely write the read request into the register. * After the data has been written, we wait until hardware * returns the correct value, if at any time the register * doesn't become available in time, reg will be 0xffffffff * which means we return 0xff to the caller. */ switch (rt2x00dev->chip.rt) { case RT6352: if (WAIT_FOR_RFCSR_MT7620(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG_REGNUM_MT7620, word); rt2x00_set_field32(®, RF_CSR_CFG_WRITE_MT7620, 0); rt2x00_set_field32(®, RF_CSR_CFG_BUSY_MT7620, 1); rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg); WAIT_FOR_RFCSR_MT7620(rt2x00dev, ®); } value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA_MT7620); break; default: if (WAIT_FOR_RFCSR(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, RF_CSR_CFG_WRITE, 0); rt2x00_set_field32(®, RF_CSR_CFG_BUSY, 1); rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg); WAIT_FOR_RFCSR(rt2x00dev, ®); } value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA); break; } mutex_unlock(&rt2x00dev->csr_mutex); return value; } static u8 rt2800_rfcsr_read_bank(struct rt2x00_dev *rt2x00dev, const u8 bank, const unsigned int reg) { return rt2800_rfcsr_read(rt2x00dev, (reg | (bank << 6))); } static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u32 value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the RF becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_RF(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG0_REG_VALUE_BW, value); rt2x00_set_field32(®, RF_CSR_CFG0_STANDBYMODE, 0); rt2x00_set_field32(®, RF_CSR_CFG0_SEL, 0); rt2x00_set_field32(®, RF_CSR_CFG0_BUSY, 1); rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg); rt2x00_rf_write(rt2x00dev, word, value); } mutex_unlock(&rt2x00dev->csr_mutex); } static const unsigned int rt2800_eeprom_map[EEPROM_WORD_COUNT] = { [EEPROM_CHIP_ID] = 0x0000, [EEPROM_VERSION] = 0x0001, [EEPROM_MAC_ADDR_0] = 0x0002, [EEPROM_MAC_ADDR_1] = 0x0003, [EEPROM_MAC_ADDR_2] = 0x0004, [EEPROM_NIC_CONF0] = 0x001a, [EEPROM_NIC_CONF1] = 0x001b, [EEPROM_FREQ] = 0x001d, [EEPROM_LED_AG_CONF] = 0x001e, [EEPROM_LED_ACT_CONF] = 0x001f, [EEPROM_LED_POLARITY] = 0x0020, [EEPROM_NIC_CONF2] = 0x0021, [EEPROM_LNA] = 0x0022, [EEPROM_RSSI_BG] = 0x0023, [EEPROM_RSSI_BG2] = 0x0024, [EEPROM_TXMIXER_GAIN_BG] = 0x0024, /* overlaps with RSSI_BG2 */ [EEPROM_RSSI_A] = 0x0025, [EEPROM_RSSI_A2] = 0x0026, [EEPROM_TXMIXER_GAIN_A] = 0x0026, /* overlaps with RSSI_A2 */ [EEPROM_EIRP_MAX_TX_POWER] = 0x0027, [EEPROM_TXPOWER_DELTA] = 0x0028, [EEPROM_TXPOWER_BG1] = 0x0029, [EEPROM_TXPOWER_BG2] = 0x0030, [EEPROM_TSSI_BOUND_BG1] = 0x0037, [EEPROM_TSSI_BOUND_BG2] = 0x0038, [EEPROM_TSSI_BOUND_BG3] = 0x0039, [EEPROM_TSSI_BOUND_BG4] = 0x003a, [EEPROM_TSSI_BOUND_BG5] = 0x003b, [EEPROM_TXPOWER_A1] = 0x003c, [EEPROM_TXPOWER_A2] = 0x0053, [EEPROM_TXPOWER_INIT] = 0x0068, [EEPROM_TSSI_BOUND_A1] = 0x006a, [EEPROM_TSSI_BOUND_A2] = 0x006b, [EEPROM_TSSI_BOUND_A3] = 0x006c, [EEPROM_TSSI_BOUND_A4] = 0x006d, [EEPROM_TSSI_BOUND_A5] = 0x006e, [EEPROM_TXPOWER_BYRATE] = 0x006f, [EEPROM_BBP_START] = 0x0078, }; static const unsigned int rt2800_eeprom_map_ext[EEPROM_WORD_COUNT] = { [EEPROM_CHIP_ID] = 0x0000, [EEPROM_VERSION] = 0x0001, [EEPROM_MAC_ADDR_0] = 0x0002, [EEPROM_MAC_ADDR_1] = 0x0003, [EEPROM_MAC_ADDR_2] = 0x0004, [EEPROM_NIC_CONF0] = 0x001a, [EEPROM_NIC_CONF1] = 0x001b, [EEPROM_NIC_CONF2] = 0x001c, [EEPROM_EIRP_MAX_TX_POWER] = 0x0020, [EEPROM_FREQ] = 0x0022, [EEPROM_LED_AG_CONF] = 0x0023, [EEPROM_LED_ACT_CONF] = 0x0024, [EEPROM_LED_POLARITY] = 0x0025, [EEPROM_LNA] = 0x0026, [EEPROM_EXT_LNA2] = 0x0027, [EEPROM_RSSI_BG] = 0x0028, [EEPROM_RSSI_BG2] = 0x0029, [EEPROM_RSSI_A] = 0x002a, [EEPROM_RSSI_A2] = 0x002b, [EEPROM_TXPOWER_BG1] = 0x0030, [EEPROM_TXPOWER_BG2] = 0x0037, [EEPROM_EXT_TXPOWER_BG3] = 0x003e, [EEPROM_TSSI_BOUND_BG1] = 0x0045, [EEPROM_TSSI_BOUND_BG2] = 0x0046, [EEPROM_TSSI_BOUND_BG3] = 0x0047, [EEPROM_TSSI_BOUND_BG4] = 0x0048, [EEPROM_TSSI_BOUND_BG5] = 0x0049, [EEPROM_TXPOWER_A1] = 0x004b, [EEPROM_TXPOWER_A2] = 0x0065, [EEPROM_EXT_TXPOWER_A3] = 0x007f, [EEPROM_TSSI_BOUND_A1] = 0x009a, [EEPROM_TSSI_BOUND_A2] = 0x009b, [EEPROM_TSSI_BOUND_A3] = 0x009c, [EEPROM_TSSI_BOUND_A4] = 0x009d, [EEPROM_TSSI_BOUND_A5] = 0x009e, [EEPROM_TXPOWER_BYRATE] = 0x00a0, }; static unsigned int rt2800_eeprom_word_index(struct rt2x00_dev *rt2x00dev, const enum rt2800_eeprom_word word) { const unsigned int *map; unsigned int index; if (WARN_ONCE(word >= EEPROM_WORD_COUNT, "%s: invalid EEPROM word %d\n", wiphy_name(rt2x00dev->hw->wiphy), word)) return 0; if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) map = rt2800_eeprom_map_ext; else map = rt2800_eeprom_map; index = map[word]; /* Index 0 is valid only for EEPROM_CHIP_ID. * Otherwise it means that the offset of the * given word is not initialized in the map, * or that the field is not usable on the * actual chipset. */ WARN_ONCE(word != EEPROM_CHIP_ID && index == 0, "%s: invalid access of EEPROM word %d\n", wiphy_name(rt2x00dev->hw->wiphy), word); return index; } static void *rt2800_eeprom_addr(struct rt2x00_dev *rt2x00dev, const enum rt2800_eeprom_word word) { unsigned int index; index = rt2800_eeprom_word_index(rt2x00dev, word); return rt2x00_eeprom_addr(rt2x00dev, index); } static u16 rt2800_eeprom_read(struct rt2x00_dev *rt2x00dev, const enum rt2800_eeprom_word word) { unsigned int index; index = rt2800_eeprom_word_index(rt2x00dev, word); return rt2x00_eeprom_read(rt2x00dev, index); } static void rt2800_eeprom_write(struct rt2x00_dev *rt2x00dev, const enum rt2800_eeprom_word word, u16 data) { unsigned int index; index = rt2800_eeprom_word_index(rt2x00dev, word); rt2x00_eeprom_write(rt2x00dev, index, data); } static u16 rt2800_eeprom_read_from_array(struct rt2x00_dev *rt2x00dev, const enum rt2800_eeprom_word array, unsigned int offset) { unsigned int index; index = rt2800_eeprom_word_index(rt2x00dev, array); return rt2x00_eeprom_read(rt2x00dev, index + offset); } static int rt2800_enable_wlan_rt3290(struct rt2x00_dev *rt2x00dev) { u32 reg; int i, count; reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL); rt2x00_set_field32(®, WLAN_GPIO_OUT_OE_BIT_ALL, 0xff); rt2x00_set_field32(®, FRC_WL_ANT_SET, 1); rt2x00_set_field32(®, WLAN_CLK_EN, 0); rt2x00_set_field32(®, WLAN_EN, 1); rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg); udelay(REGISTER_BUSY_DELAY); count = 0; do { /* * Check PLL_LD & XTAL_RDY. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { reg = rt2800_register_read(rt2x00dev, CMB_CTRL); if (rt2x00_get_field32(reg, PLL_LD) && rt2x00_get_field32(reg, XTAL_RDY)) break; udelay(REGISTER_BUSY_DELAY); } if (i >= REGISTER_BUSY_COUNT) { if (count >= 10) return -EIO; rt2800_register_write(rt2x00dev, 0x58, 0x018); udelay(REGISTER_BUSY_DELAY); rt2800_register_write(rt2x00dev, 0x58, 0x418); udelay(REGISTER_BUSY_DELAY); rt2800_register_write(rt2x00dev, 0x58, 0x618); udelay(REGISTER_BUSY_DELAY); count++; } else { count = 0; } reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL); rt2x00_set_field32(®, PCIE_APP0_CLK_REQ, 0); rt2x00_set_field32(®, WLAN_CLK_EN, 1); rt2x00_set_field32(®, WLAN_RESET, 1); rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg); udelay(10); rt2x00_set_field32(®, WLAN_RESET, 0); rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg); udelay(10); rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, 0x7fffffff); } while (count != 0); return 0; } void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev, const u8 command, const u8 token, const u8 arg0, const u8 arg1) { u32 reg; /* * SOC devices don't support MCU requests. */ if (rt2x00_is_soc(rt2x00dev)) return; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the MCU becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_MCU(rt2x00dev, ®)) { rt2x00_set_field32(®, H2M_MAILBOX_CSR_OWNER, 1); rt2x00_set_field32(®, H2M_MAILBOX_CSR_CMD_TOKEN, token); rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG0, arg0); rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG1, arg1); rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg); reg = 0; rt2x00_set_field32(®, HOST_CMD_CSR_HOST_COMMAND, command); rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg); } mutex_unlock(&rt2x00dev->csr_mutex); } EXPORT_SYMBOL_GPL(rt2800_mcu_request); int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i = 0; u32 reg; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { reg = rt2800_register_read(rt2x00dev, MAC_CSR0); if (reg && reg != ~0) return 0; msleep(1); } rt2x00_err(rt2x00dev, "Unstable hardware\n"); return -EBUSY; } EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready); int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; u32 reg; /* * Some devices are really slow to respond here. Wait a whole second * before timing out. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG); if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) && !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY)) return 0; msleep(10); } rt2x00_err(rt2x00dev, "WPDMA TX/RX busy [0x%08x]\n", reg); return -EACCES; } EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready); void rt2800_disable_wpdma(struct rt2x00_dev *rt2x00dev) { u32 reg; reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); } EXPORT_SYMBOL_GPL(rt2800_disable_wpdma); void rt2800_get_txwi_rxwi_size(struct rt2x00_dev *rt2x00dev, unsigned short *txwi_size, unsigned short *rxwi_size) { switch (rt2x00dev->chip.rt) { case RT3593: case RT3883: *txwi_size = TXWI_DESC_SIZE_4WORDS; *rxwi_size = RXWI_DESC_SIZE_5WORDS; break; case RT5592: case RT6352: *txwi_size = TXWI_DESC_SIZE_5WORDS; *rxwi_size = RXWI_DESC_SIZE_6WORDS; break; default: *txwi_size = TXWI_DESC_SIZE_4WORDS; *rxwi_size = RXWI_DESC_SIZE_4WORDS; break; } } EXPORT_SYMBOL_GPL(rt2800_get_txwi_rxwi_size); static bool rt2800_check_firmware_crc(const u8 *data, const size_t len) { u16 fw_crc; u16 crc; /* * The last 2 bytes in the firmware array are the crc checksum itself, * this means that we should never pass those 2 bytes to the crc * algorithm. */ fw_crc = (data[len - 2] << 8 | data[len - 1]); /* * Use the crc ccitt algorithm. * This will return the same value as the legacy driver which * used bit ordering reversion on the both the firmware bytes * before input input as well as on the final output. * Obviously using crc ccitt directly is much more efficient. */ crc = crc_ccitt(~0, data, len - 2); /* * There is a small difference between the crc-itu-t + bitrev and * the crc-ccitt crc calculation. In the latter method the 2 bytes * will be swapped, use swab16 to convert the crc to the correct * value. */ crc = swab16(crc); return fw_crc == crc; } int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev, const u8 *data, const size_t len) { size_t offset = 0; size_t fw_len; bool multiple; /* * PCI(e) & SOC devices require firmware with a length * of 8kb. USB devices require firmware files with a length * of 4kb. Certain USB chipsets however require different firmware, * which Ralink only provides attached to the original firmware * file. Thus for USB devices, firmware files have a length * which is a multiple of 4kb. The firmware for rt3290 chip also * have a length which is a multiple of 4kb. */ if (rt2x00_is_usb(rt2x00dev) || rt2x00_rt(rt2x00dev, RT3290)) fw_len = 4096; else fw_len = 8192; multiple = true; /* * Validate the firmware length */ if (len != fw_len && (!multiple || (len % fw_len) != 0)) return FW_BAD_LENGTH; /* * Check if the chipset requires one of the upper parts * of the firmware. */ if (rt2x00_is_usb(rt2x00dev) && !rt2x00_rt(rt2x00dev, RT2860) && !rt2x00_rt(rt2x00dev, RT2872) && !rt2x00_rt(rt2x00dev, RT3070) && ((len / fw_len) == 1)) return FW_BAD_VERSION; /* * 8kb firmware files must be checked as if it were * 2 separate firmware files. */ while (offset < len) { if (!rt2800_check_firmware_crc(data + offset, fw_len)) return FW_BAD_CRC; offset += fw_len; } return FW_OK; } EXPORT_SYMBOL_GPL(rt2800_check_firmware); int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev, const u8 *data, const size_t len) { unsigned int i; u32 reg; int retval; if (rt2x00_rt(rt2x00dev, RT3290)) { retval = rt2800_enable_wlan_rt3290(rt2x00dev); if (retval) return -EBUSY; } /* * If driver doesn't wake up firmware here, * rt2800_load_firmware will hang forever when interface is up again. */ rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000); /* * Wait for stable hardware. */ if (rt2800_wait_csr_ready(rt2x00dev)) return -EBUSY; if (rt2x00_is_pci(rt2x00dev)) { if (rt2x00_rt(rt2x00dev, RT3290) || rt2x00_rt(rt2x00dev, RT3572) || rt2x00_rt(rt2x00dev, RT5390) || rt2x00_rt(rt2x00dev, RT5392)) { reg = rt2800_register_read(rt2x00dev, AUX_CTRL); rt2x00_set_field32(®, AUX_CTRL_FORCE_PCIE_CLK, 1); rt2x00_set_field32(®, AUX_CTRL_WAKE_PCIE_EN, 1); rt2800_register_write(rt2x00dev, AUX_CTRL, reg); } rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002); } rt2800_disable_wpdma(rt2x00dev); /* * Write firmware to the device. */ rt2800_drv_write_firmware(rt2x00dev, data, len); /* * Wait for device to stabilize. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { reg = rt2800_register_read(rt2x00dev, PBF_SYS_CTRL); if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY)) break; msleep(1); } if (i == REGISTER_BUSY_COUNT) { rt2x00_err(rt2x00dev, "PBF system register not ready\n"); return -EBUSY; } /* * Disable DMA, will be reenabled later when enabling * the radio. */ rt2800_disable_wpdma(rt2x00dev); /* * Initialize firmware. */ rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); if (rt2x00_is_usb(rt2x00dev)) { rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0); rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0); } msleep(1); return 0; } EXPORT_SYMBOL_GPL(rt2800_load_firmware); void rt2800_write_tx_data(struct queue_entry *entry, struct txentry_desc *txdesc) { __le32 *txwi = rt2800_drv_get_txwi(entry); u32 word; int i; /* * Initialize TX Info descriptor */ word = rt2x00_desc_read(txwi, 0); rt2x00_set_field32(&word, TXWI_W0_FRAG, test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_MIMO_PS, test_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0); rt2x00_set_field32(&word, TXWI_W0_TS, test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_AMPDU, test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY, txdesc->u.ht.mpdu_density); rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->u.ht.txop); rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->u.ht.mcs); rt2x00_set_field32(&word, TXWI_W0_BW, test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_SHORT_GI, test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->u.ht.stbc); rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode); rt2x00_desc_write(txwi, 0, word); word = rt2x00_desc_read(txwi, 1); rt2x00_set_field32(&word, TXWI_W1_ACK, test_bit(ENTRY_TXD_ACK, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W1_NSEQ, test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size); rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID, test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ? txdesc->key_idx : txdesc->u.ht.wcid); rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT, txdesc->length); rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid); rt2x00_set_field32(&word, TXWI_W1_PACKETID_ENTRY, (entry->entry_idx % 3) + 1); rt2x00_desc_write(txwi, 1, word); /* * Always write 0 to IV/EIV fields (word 2 and 3), hardware will insert * the IV from the IVEIV register when TXD_W3_WIV is set to 0. * When TXD_W3_WIV is set to 1 it will use the IV data * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which * crypto entry in the registers should be used to encrypt the frame. * * Nulify all remaining words as well, we don't know how to program them. */ for (i = 2; i < entry->queue->winfo_size / sizeof(__le32); i++) _rt2x00_desc_write(txwi, i, 0); } EXPORT_SYMBOL_GPL(rt2800_write_tx_data); static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2) { s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0); s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1); s8 rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2); s8 base_val = rt2x00_rt(rt2x00dev, RT6352) ? -2 : -12; u16 eeprom; u8 offset0; u8 offset1; u8 offset2; if (rt2x00dev->curr_band == NL80211_BAND_2GHZ) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG); offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET0); offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET1); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2); offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_OFFSET2); } else { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A); offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET0); offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET1); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2); offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_OFFSET2); } /* * Convert the value from the descriptor into the RSSI value * If the value in the descriptor is 0, it is considered invalid * and the default (extremely low) rssi value is assumed */ rssi0 = (rssi0) ? (base_val - offset0 - rt2x00dev->lna_gain - rssi0) : -128; rssi1 = (rssi1) ? (base_val - offset1 - rt2x00dev->lna_gain - rssi1) : -128; rssi2 = (rssi2) ? (base_val - offset2 - rt2x00dev->lna_gain - rssi2) : -128; /* * mac80211 only accepts a single RSSI value. Calculating the * average doesn't deliver a fair answer either since -60:-60 would * be considered equally good as -50:-70 while the second is the one * which gives less energy... */ rssi0 = max(rssi0, rssi1); return (int)max(rssi0, rssi2); } void rt2800_process_rxwi(struct queue_entry *entry, struct rxdone_entry_desc *rxdesc) { __le32 *rxwi = (__le32 *) entry->skb->data; u32 word; word = rt2x00_desc_read(rxwi, 0); rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF); rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT); word = rt2x00_desc_read(rxwi, 1); if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI)) rxdesc->enc_flags |= RX_ENC_FLAG_SHORT_GI; if (rt2x00_get_field32(word, RXWI_W1_BW)) rxdesc->bw = RATE_INFO_BW_40; /* * Detect RX rate, always use MCS as signal type. */ rxdesc->dev_flags |= RXDONE_SIGNAL_MCS; rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS); rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE); /* * Mask of 0x8 bit to remove the short preamble flag. */ if (rxdesc->rate_mode == RATE_MODE_CCK) rxdesc->signal &= ~0x8; word = rt2x00_desc_read(rxwi, 2); /* * Convert descriptor AGC value to RSSI value. */ rxdesc->rssi = rt2800_agc_to_rssi(entry->queue->rt2x00dev, word); /* * Remove RXWI descriptor from start of the buffer. */ skb_pull(entry->skb, entry->queue->winfo_size); } EXPORT_SYMBOL_GPL(rt2800_process_rxwi); static void rt2800_rate_from_status(struct skb_frame_desc *skbdesc, u32 status, enum nl80211_band band) { u8 flags = 0; u8 idx = rt2x00_get_field32(status, TX_STA_FIFO_MCS); switch (rt2x00_get_field32(status, TX_STA_FIFO_PHYMODE)) { case RATE_MODE_HT_GREENFIELD: flags |= IEEE80211_TX_RC_GREEN_FIELD; fallthrough; case RATE_MODE_HT_MIX: flags |= IEEE80211_TX_RC_MCS; break; case RATE_MODE_OFDM: if (band == NL80211_BAND_2GHZ) idx += 4; break; case RATE_MODE_CCK: if (idx >= 8) idx -= 8; break; } if (rt2x00_get_field32(status, TX_STA_FIFO_BW)) flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; if (rt2x00_get_field32(status, TX_STA_FIFO_SGI)) flags |= IEEE80211_TX_RC_SHORT_GI; skbdesc->tx_rate_idx = idx; skbdesc->tx_rate_flags = flags; } static bool rt2800_txdone_entry_check(struct queue_entry *entry, u32 reg) { __le32 *txwi; u32 word; int wcid, ack, pid; int tx_wcid, tx_ack, tx_pid, is_agg; /* * This frames has returned with an IO error, * so the status report is not intended for this * frame. */ if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) return false; wcid = rt2x00_get_field32(reg, TX_STA_FIFO_WCID); ack = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED); pid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE); is_agg = rt2x00_get_field32(reg, TX_STA_FIFO_TX_AGGRE); /* * Validate if this TX status report is intended for * this entry by comparing the WCID/ACK/PID fields. */ txwi = rt2800_drv_get_txwi(entry); word = rt2x00_desc_read(txwi, 1); tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID); tx_ack = rt2x00_get_field32(word, TXWI_W1_ACK); tx_pid = rt2x00_get_field32(word, TXWI_W1_PACKETID); if (wcid != tx_wcid || ack != tx_ack || (!is_agg && pid != tx_pid)) { rt2x00_dbg(entry->queue->rt2x00dev, "TX status report missed for queue %d entry %d\n", entry->queue->qid, entry->entry_idx); return false; } return true; } void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi, bool match) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); struct txdone_entry_desc txdesc; u32 word; u16 mcs, real_mcs; int aggr, ampdu, wcid, ack_req; /* * Obtain the status about this packet. */ txdesc.flags = 0; word = rt2x00_desc_read(txwi, 0); mcs = rt2x00_get_field32(word, TXWI_W0_MCS); ampdu = rt2x00_get_field32(word, TXWI_W0_AMPDU); real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS); aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE); wcid = rt2x00_get_field32(status, TX_STA_FIFO_WCID); ack_req = rt2x00_get_field32(status, TX_STA_FIFO_TX_ACK_REQUIRED); /* * If a frame was meant to be sent as a single non-aggregated MPDU * but ended up in an aggregate the used tx rate doesn't correlate * with the one specified in the TXWI as the whole aggregate is sent * with the same rate. * * For example: two frames are sent to rt2x00, the first one sets * AMPDU=1 and requests MCS7 whereas the second frame sets AMDPU=0 * and requests MCS15. If the hw aggregates both frames into one * AMDPU the tx status for both frames will contain MCS7 although * the frame was sent successfully. * * Hence, replace the requested rate with the real tx rate to not * confuse the rate control algortihm by providing clearly wrong * data. * * FIXME: if we do not find matching entry, we tell that frame was * posted without any retries. We need to find a way to fix that * and provide retry count. */ if (unlikely((aggr == 1 && ampdu == 0 && real_mcs != mcs)) || !match) { rt2800_rate_from_status(skbdesc, status, rt2x00dev->curr_band); mcs = real_mcs; } if (aggr == 1 || ampdu == 1) __set_bit(TXDONE_AMPDU, &txdesc.flags); if (!ack_req) __set_bit(TXDONE_NO_ACK_REQ, &txdesc.flags); /* * Ralink has a retry mechanism using a global fallback * table. We setup this fallback table to try the immediate * lower rate for all rates. In the TX_STA_FIFO, the MCS field * always contains the MCS used for the last transmission, be * it successful or not. */ if (rt2x00_get_field32(status, TX_STA_FIFO_TX_SUCCESS)) { /* * Transmission succeeded. The number of retries is * mcs - real_mcs */ __set_bit(TXDONE_SUCCESS, &txdesc.flags); txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0); } else { /* * Transmission failed. The number of retries is * always 7 in this case (for a total number of 8 * frames sent). */ __set_bit(TXDONE_FAILURE, &txdesc.flags); txdesc.retry = rt2x00dev->long_retry; } /* * the frame was retried at least once * -> hw used fallback rates */ if (txdesc.retry) __set_bit(TXDONE_FALLBACK, &txdesc.flags); if (!match) { /* RCU assures non-null sta will not be freed by mac80211. */ rcu_read_lock(); if (likely(wcid >= WCID_START && wcid <= WCID_END)) skbdesc->sta = drv_data->wcid_to_sta[wcid - WCID_START]; else skbdesc->sta = NULL; rt2x00lib_txdone_nomatch(entry, &txdesc); rcu_read_unlock(); } else { rt2x00lib_txdone(entry, &txdesc); } } EXPORT_SYMBOL_GPL(rt2800_txdone_entry); void rt2800_txdone(struct rt2x00_dev *rt2x00dev, unsigned int quota) { struct data_queue *queue; struct queue_entry *entry; u32 reg; u8 qid; bool match; while (quota-- > 0 && kfifo_get(&rt2x00dev->txstatus_fifo, ®)) { /* * TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is * guaranteed to be one of the TX QIDs . */ qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE); queue = rt2x00queue_get_tx_queue(rt2x00dev, qid); if (unlikely(rt2x00queue_empty(queue))) { rt2x00_dbg(rt2x00dev, "Got TX status for an empty queue %u, dropping\n", qid); break; } entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); if (unlikely(test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) || !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))) { rt2x00_warn(rt2x00dev, "Data pending for entry %u in queue %u\n", entry->entry_idx, qid); break; } match = rt2800_txdone_entry_check(entry, reg); rt2800_txdone_entry(entry, reg, rt2800_drv_get_txwi(entry), match); } } EXPORT_SYMBOL_GPL(rt2800_txdone); static inline bool rt2800_entry_txstatus_timeout(struct rt2x00_dev *rt2x00dev, struct queue_entry *entry) { bool ret; unsigned long tout; if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags)) return false; if (test_bit(DEVICE_STATE_FLUSHING, &rt2x00dev->flags)) tout = msecs_to_jiffies(50); else tout = msecs_to_jiffies(2000); ret = time_after(jiffies, entry->last_action + tout); if (unlikely(ret)) rt2x00_dbg(entry->queue->rt2x00dev, "TX status timeout for entry %d in queue %d\n", entry->entry_idx, entry->queue->qid); return ret; } bool rt2800_txstatus_timeout(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; struct queue_entry *entry; tx_queue_for_each(rt2x00dev, queue) { entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); if (rt2800_entry_txstatus_timeout(rt2x00dev, entry)) return true; } return false; } EXPORT_SYMBOL_GPL(rt2800_txstatus_timeout); /* * test if there is an entry in any TX queue for which DMA is done * but the TX status has not been returned yet */ bool rt2800_txstatus_pending(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; tx_queue_for_each(rt2x00dev, queue) { if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) != rt2x00queue_get_entry(queue, Q_INDEX_DONE)) return true; } return false; } EXPORT_SYMBOL_GPL(rt2800_txstatus_pending); void rt2800_txdone_nostatus(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; struct queue_entry *entry; /* * Process any trailing TX status reports for IO failures, * we loop until we find the first non-IO error entry. This * can either be a frame which is free, is being uploaded, * or has completed the upload but didn't have an entry * in the TX_STAT_FIFO register yet. */ tx_queue_for_each(rt2x00dev, queue) { while (!rt2x00queue_empty(queue)) { entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) || !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags)) break; if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags) || rt2800_entry_txstatus_timeout(rt2x00dev, entry)) rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE); else break; } } } EXPORT_SYMBOL_GPL(rt2800_txdone_nostatus); static bool rt2800_check_hung(struct data_queue *queue) { unsigned int cur_idx = rt2800_drv_get_dma_done(queue); if (queue->wd_idx != cur_idx) { queue->wd_idx = cur_idx; queue->wd_count = 0; } else queue->wd_count++; return queue->wd_count > 16; } static void rt2800_update_survey(struct rt2x00_dev *rt2x00dev) { struct ieee80211_channel *chan = rt2x00dev->hw->conf.chandef.chan; struct rt2x00_chan_survey *chan_survey = &rt2x00dev->chan_survey[chan->hw_value]; chan_survey->time_idle += rt2800_register_read(rt2x00dev, CH_IDLE_STA); chan_survey->time_busy += rt2800_register_read(rt2x00dev, CH_BUSY_STA); chan_survey->time_ext_busy += rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC); } static bool rt2800_watchdog_hung(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; bool hung_tx = false; bool hung_rx = false; rt2800_update_survey(rt2x00dev); queue_for_each(rt2x00dev, queue) { switch (queue->qid) { case QID_AC_VO: case QID_AC_VI: case QID_AC_BE: case QID_AC_BK: case QID_MGMT: if (rt2x00queue_empty(queue)) continue; hung_tx = hung_tx || rt2800_check_hung(queue); break; case QID_RX: /* For station mode we should reactive at least * beacons. TODO: need to find good way detect * RX hung for AP mode. */ if (rt2x00dev->intf_sta_count == 0) continue; hung_rx = hung_rx || rt2800_check_hung(queue); break; default: break; } } if (!hung_tx && !hung_rx) return false; if (hung_tx) rt2x00_warn(rt2x00dev, "Watchdog TX hung detected\n"); if (hung_rx) rt2x00_warn(rt2x00dev, "Watchdog RX hung detected\n"); queue_for_each(rt2x00dev, queue) queue->wd_count = 0; return true; } static bool rt2800_watchdog_dma_busy(struct rt2x00_dev *rt2x00dev) { bool busy_rx, busy_tx; u32 reg_cfg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG); u32 reg_int = rt2800_register_read(rt2x00dev, INT_SOURCE_CSR); if (rt2x00_get_field32(reg_cfg, WPDMA_GLO_CFG_RX_DMA_BUSY) && rt2x00_get_field32(reg_int, INT_SOURCE_CSR_RX_COHERENT)) rt2x00dev->rxdma_busy++; else rt2x00dev->rxdma_busy = 0; if (rt2x00_get_field32(reg_cfg, WPDMA_GLO_CFG_TX_DMA_BUSY) && rt2x00_get_field32(reg_int, INT_SOURCE_CSR_TX_COHERENT)) rt2x00dev->txdma_busy++; else rt2x00dev->txdma_busy = 0; busy_rx = rt2x00dev->rxdma_busy > 30; busy_tx = rt2x00dev->txdma_busy > 30; if (!busy_rx && !busy_tx) return false; if (busy_rx) rt2x00_warn(rt2x00dev, "Watchdog RX DMA busy detected\n"); if (busy_tx) rt2x00_warn(rt2x00dev, "Watchdog TX DMA busy detected\n"); rt2x00dev->rxdma_busy = 0; rt2x00dev->txdma_busy = 0; return true; } void rt2800_watchdog(struct rt2x00_dev *rt2x00dev) { bool reset = false; if (test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags)) return; if (rt2x00dev->link.watchdog & RT2800_WATCHDOG_DMA_BUSY) reset = rt2800_watchdog_dma_busy(rt2x00dev); if (rt2x00dev->link.watchdog & RT2800_WATCHDOG_HANG) reset = rt2800_watchdog_hung(rt2x00dev) || reset; if (reset) ieee80211_restart_hw(rt2x00dev->hw); } EXPORT_SYMBOL_GPL(rt2800_watchdog); static unsigned int rt2800_hw_beacon_base(struct rt2x00_dev *rt2x00dev, unsigned int index) { return HW_BEACON_BASE(index); } static inline u8 rt2800_get_beacon_offset(struct rt2x00_dev *rt2x00dev, unsigned int index) { return BEACON_BASE_TO_OFFSET(rt2800_hw_beacon_base(rt2x00dev, index)); } static void rt2800_update_beacons_setup(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue = rt2x00dev->bcn; struct queue_entry *entry; int i, bcn_num = 0; u64 off, reg = 0; u32 bssid_dw1; /* * Setup offsets of all active beacons in BCN_OFFSET{0,1} registers. */ for (i = 0; i < queue->limit; i++) { entry = &queue->entries[i]; if (!test_bit(ENTRY_BCN_ENABLED, &entry->flags)) continue; off = rt2800_get_beacon_offset(rt2x00dev, entry->entry_idx); reg |= off << (8 * bcn_num); bcn_num++; } rt2800_register_write(rt2x00dev, BCN_OFFSET0, (u32) reg); rt2800_register_write(rt2x00dev, BCN_OFFSET1, (u32) (reg >> 32)); /* * H/W sends up to MAC_BSSID_DW1_BSS_BCN_NUM + 1 consecutive beacons. */ bssid_dw1 = rt2800_register_read(rt2x00dev, MAC_BSSID_DW1); rt2x00_set_field32(&bssid_dw1, MAC_BSSID_DW1_BSS_BCN_NUM, bcn_num > 0 ? bcn_num - 1 : 0); rt2800_register_write(rt2x00dev, MAC_BSSID_DW1, bssid_dw1); } void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); unsigned int beacon_base; unsigned int padding_len; u32 orig_reg, reg; const int txwi_desc_size = entry->queue->winfo_size; /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. */ reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG); orig_reg = reg; rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); /* * Add space for the TXWI in front of the skb. */ memset(skb_push(entry->skb, txwi_desc_size), 0, txwi_desc_size); /* * Register descriptor details in skb frame descriptor. */ skbdesc->flags |= SKBDESC_DESC_IN_SKB; skbdesc->desc = entry->skb->data; skbdesc->desc_len = txwi_desc_size; /* * Add the TXWI for the beacon to the skb. */ rt2800_write_tx_data(entry, txdesc); /* * Dump beacon to userspace through debugfs. */ rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry); /* * Write entire beacon with TXWI and padding to register. */ padding_len = roundup(entry->skb->len, 4) - entry->skb->len; if (padding_len && skb_pad(entry->skb, padding_len)) { rt2x00_err(rt2x00dev, "Failure padding beacon, aborting\n"); /* skb freed by skb_pad() on failure */ entry->skb = NULL; rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg); return; } beacon_base = rt2800_hw_beacon_base(rt2x00dev, entry->entry_idx); rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data, entry->skb->len + padding_len); __set_bit(ENTRY_BCN_ENABLED, &entry->flags); /* * Change global beacons settings. */ rt2800_update_beacons_setup(rt2x00dev); /* * Restore beaconing state. */ rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg); /* * Clean up beacon skb. */ dev_kfree_skb_any(entry->skb); entry->skb = NULL; } EXPORT_SYMBOL_GPL(rt2800_write_beacon); static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev, unsigned int index) { int i; const int txwi_desc_size = rt2x00dev->bcn->winfo_size; unsigned int beacon_base; beacon_base = rt2800_hw_beacon_base(rt2x00dev, index); /* * For the Beacon base registers we only need to clear * the whole TXWI which (when set to 0) will invalidate * the entire beacon. */ for (i = 0; i < txwi_desc_size; i += sizeof(__le32)) rt2800_register_write(rt2x00dev, beacon_base + i, 0); } void rt2800_clear_beacon(struct queue_entry *entry) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; u32 orig_reg, reg; /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. */ orig_reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG); reg = orig_reg; rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); /* * Clear beacon. */ rt2800_clear_beacon_register(rt2x00dev, entry->entry_idx); __clear_bit(ENTRY_BCN_ENABLED, &entry->flags); /* * Change global beacons settings. */ rt2800_update_beacons_setup(rt2x00dev); /* * Restore beaconing state. */ rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg); } EXPORT_SYMBOL_GPL(rt2800_clear_beacon); #ifdef CONFIG_RT2X00_LIB_DEBUGFS const struct rt2x00debug rt2800_rt2x00debug = { .owner = THIS_MODULE, .csr = { .read = rt2800_register_read, .write = rt2800_register_write, .flags = RT2X00DEBUGFS_OFFSET, .word_base = CSR_REG_BASE, .word_size = sizeof(u32), .word_count = CSR_REG_SIZE / sizeof(u32), }, .eeprom = { /* NOTE: The local EEPROM access functions can't * be used here, use the generic versions instead. */ .read = rt2x00_eeprom_read, .write = rt2x00_eeprom_write, .word_base = EEPROM_BASE, .word_size = sizeof(u16), .word_count = EEPROM_SIZE / sizeof(u16), }, .bbp = { .read = rt2800_bbp_read, .write = rt2800_bbp_write, .word_base = BBP_BASE, .word_size = sizeof(u8), .word_count = BBP_SIZE / sizeof(u8), }, .rf = { .read = rt2x00_rf_read, .write = rt2800_rf_write, .word_base = RF_BASE, .word_size = sizeof(u32), .word_count = RF_SIZE / sizeof(u32), }, .rfcsr = { .read = rt2800_rfcsr_read, .write = rt2800_rfcsr_write, .word_base = RFCSR_BASE, .word_size = sizeof(u8), .word_count = RFCSR_SIZE / sizeof(u8), }, }; EXPORT_SYMBOL_GPL(rt2800_rt2x00debug); #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev) { u32 reg; if (rt2x00_rt(rt2x00dev, RT3290)) { reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL); return rt2x00_get_field32(reg, WLAN_GPIO_IN_BIT0); } else { reg = rt2800_register_read(rt2x00dev, GPIO_CTRL); return rt2x00_get_field32(reg, GPIO_CTRL_VAL2); } } EXPORT_SYMBOL_GPL(rt2800_rfkill_poll); #ifdef CONFIG_RT2X00_LIB_LEDS static void rt2800_brightness_set(struct led_classdev *led_cdev, enum led_brightness brightness) { struct rt2x00_led *led = container_of(led_cdev, struct rt2x00_led, led_dev); unsigned int enabled = brightness != LED_OFF; unsigned int bg_mode = (enabled && led->rt2x00dev->curr_band == NL80211_BAND_2GHZ); unsigned int polarity = rt2x00_get_field16(led->rt2x00dev->led_mcu_reg, EEPROM_FREQ_LED_POLARITY); unsigned int ledmode = rt2x00_get_field16(led->rt2x00dev->led_mcu_reg, EEPROM_FREQ_LED_MODE); u32 reg; /* Check for SoC (SOC devices don't support MCU requests) */ if (rt2x00_is_soc(led->rt2x00dev)) { reg = rt2800_register_read(led->rt2x00dev, LED_CFG); /* Set LED Polarity */ rt2x00_set_field32(®, LED_CFG_LED_POLAR, polarity); /* Set LED Mode */ if (led->type == LED_TYPE_RADIO) { rt2x00_set_field32(®, LED_CFG_G_LED_MODE, enabled ? 3 : 0); } else if (led->type == LED_TYPE_ASSOC) { rt2x00_set_field32(®, LED_CFG_Y_LED_MODE, enabled ? 3 : 0); } else if (led->type == LED_TYPE_QUALITY) { rt2x00_set_field32(®, LED_CFG_R_LED_MODE, enabled ? 3 : 0); } rt2800_register_write(led->rt2x00dev, LED_CFG, reg); } else { if (led->type == LED_TYPE_RADIO) { rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode, enabled ? 0x20 : 0); } else if (led->type == LED_TYPE_ASSOC) { rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode, enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20); } else if (led->type == LED_TYPE_QUALITY) { /* * The brightness is divided into 6 levels (0 - 5), * The specs tell us the following levels: * 0, 1 ,3, 7, 15, 31 * to determine the level in a simple way we can simply * work with bitshifting: * (1 << level) - 1 */ rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff, (1 << brightness / (LED_FULL / 6)) - 1, polarity); } } } static void rt2800_init_led(struct rt2x00_dev *rt2x00dev, struct rt2x00_led *led, enum led_type type) { led->rt2x00dev = rt2x00dev; led->type = type; led->led_dev.brightness_set = rt2800_brightness_set; led->flags = LED_INITIALIZED; } #endif /* CONFIG_RT2X00_LIB_LEDS */ /* * Configuration handlers. */ static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev, const u8 *address, int wcid) { struct mac_wcid_entry wcid_entry; u32 offset; offset = MAC_WCID_ENTRY(wcid); memset(&wcid_entry, 0xff, sizeof(wcid_entry)); if (address) memcpy(wcid_entry.mac, address, ETH_ALEN); rt2800_register_multiwrite(rt2x00dev, offset, &wcid_entry, sizeof(wcid_entry)); } static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid) { u32 offset; offset = MAC_WCID_ATTR_ENTRY(wcid); rt2800_register_write(rt2x00dev, offset, 0); } static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev, int wcid, u32 bssidx) { u32 offset = MAC_WCID_ATTR_ENTRY(wcid); u32 reg; /* * The BSS Idx numbers is split in a main value of 3 bits, * and a extended field for adding one additional bit to the value. */ reg = rt2800_register_read(rt2x00dev, offset); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7)); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT, (bssidx & 0x8) >> 3); rt2800_register_write(rt2x00dev, offset, reg); } static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct mac_iveiv_entry iveiv_entry; u32 offset; u32 reg; offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx); if (crypto->cmd == SET_KEY) { reg = rt2800_register_read(rt2x00dev, offset); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_KEYTAB, !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)); /* * Both the cipher as the BSS Idx numbers are split in a main * value of 3 bits, and a extended field for adding one additional * bit to the value. */ rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER, (crypto->cipher & 0x7)); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER_EXT, (crypto->cipher & 0x8) >> 3); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher); rt2800_register_write(rt2x00dev, offset, reg); } else { /* Delete the cipher without touching the bssidx */ reg = rt2800_register_read(rt2x00dev, offset); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_KEYTAB, 0); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER, 0); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0); rt2800_register_write(rt2x00dev, offset, reg); } if (test_bit(DEVICE_STATE_RESET, &rt2x00dev->flags)) return; offset = MAC_IVEIV_ENTRY(key->hw_key_idx); memset(&iveiv_entry, 0, sizeof(iveiv_entry)); if ((crypto->cipher == CIPHER_TKIP) || (crypto->cipher == CIPHER_TKIP_NO_MIC) || (crypto->cipher == CIPHER_AES)) iveiv_entry.iv[3] |= 0x20; iveiv_entry.iv[3] |= key->keyidx << 6; rt2800_register_multiwrite(rt2x00dev, offset, &iveiv_entry, sizeof(iveiv_entry)); } int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct hw_key_entry key_entry; struct rt2x00_field32 field; u32 offset; u32 reg; if (crypto->cmd == SET_KEY) { key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx; memcpy(key_entry.key, crypto->key, sizeof(key_entry.key)); memcpy(key_entry.tx_mic, crypto->tx_mic, sizeof(key_entry.tx_mic)); memcpy(key_entry.rx_mic, crypto->rx_mic, sizeof(key_entry.rx_mic)); offset = SHARED_KEY_ENTRY(key->hw_key_idx); rt2800_register_multiwrite(rt2x00dev, offset, &key_entry, sizeof(key_entry)); } /* * The cipher types are stored over multiple registers * starting with SHARED_KEY_MODE_BASE each word will have * 32 bits and contains the cipher types for 2 bssidx each. * Using the correct defines correctly will cause overhead, * so just calculate the correct offset. */ field.bit_offset = 4 * (key->hw_key_idx % 8); field.bit_mask = 0x7 << field.bit_offset; offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8); reg = rt2800_register_read(rt2x00dev, offset); rt2x00_set_field32(®, field, (crypto->cmd == SET_KEY) * crypto->cipher); rt2800_register_write(rt2x00dev, offset, reg); /* * Update WCID information */ rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx); rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx, crypto->bssidx); rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key); return 0; } EXPORT_SYMBOL_GPL(rt2800_config_shared_key); int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct hw_key_entry key_entry; u32 offset; if (crypto->cmd == SET_KEY) { /* * Allow key configuration only for STAs that are * known by the hw. */ if (crypto->wcid > WCID_END) return -ENOSPC; key->hw_key_idx = crypto->wcid; memcpy(key_entry.key, crypto->key, sizeof(key_entry.key)); memcpy(key_entry.tx_mic, crypto->tx_mic, sizeof(key_entry.tx_mic)); memcpy(key_entry.rx_mic, crypto->rx_mic, sizeof(key_entry.rx_mic)); offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx); rt2800_register_multiwrite(rt2x00dev, offset, &key_entry, sizeof(key_entry)); } /* * Update WCID information */ rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key); return 0; } EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key); static void rt2800_set_max_psdu_len(struct rt2x00_dev *rt2x00dev) { u8 i, max_psdu; u32 reg; struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; for (i = 0; i < 3; i++) if (drv_data->ampdu_factor_cnt[i] > 0) break; max_psdu = min(drv_data->max_psdu, i); reg = rt2800_register_read(rt2x00dev, MAX_LEN_CFG); rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, max_psdu); rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg); } int rt2800_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct rt2x00_dev *rt2x00dev = hw->priv; struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta); int wcid; /* * Limit global maximum TX AMPDU length to smallest value of all * connected stations. In AP mode this can be suboptimal, but we * do not have a choice if some connected STA is not capable to * receive the same amount of data like the others. */ if (sta->deflink.ht_cap.ht_supported) { drv_data->ampdu_factor_cnt[sta->deflink.ht_cap.ampdu_factor & 3]++; rt2800_set_max_psdu_len(rt2x00dev); } /* * Search for the first free WCID entry and return the corresponding * index. */ wcid = find_first_zero_bit(drv_data->sta_ids, STA_IDS_SIZE) + WCID_START; /* * Store selected wcid even if it is invalid so that we can * later decide if the STA is uploaded into the hw. */ sta_priv->wcid = wcid; /* * No space left in the device, however, we can still communicate * with the STA -> No error. */ if (wcid > WCID_END) return 0; __set_bit(wcid - WCID_START, drv_data->sta_ids); drv_data->wcid_to_sta[wcid - WCID_START] = sta; /* * Clean up WCID attributes and write STA address to the device. */ rt2800_delete_wcid_attr(rt2x00dev, wcid); rt2800_config_wcid(rt2x00dev, sta->addr, wcid); rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid, rt2x00lib_get_bssidx(rt2x00dev, vif)); return 0; } EXPORT_SYMBOL_GPL(rt2800_sta_add); int rt2800_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct rt2x00_dev *rt2x00dev = hw->priv; struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta); int wcid = sta_priv->wcid; if (sta->deflink.ht_cap.ht_supported) { drv_data->ampdu_factor_cnt[sta->deflink.ht_cap.ampdu_factor & 3]--; rt2800_set_max_psdu_len(rt2x00dev); } if (wcid > WCID_END) return 0; /* * Remove WCID entry, no need to clean the attributes as they will * get renewed when the WCID is reused. */ rt2800_config_wcid(rt2x00dev, NULL, wcid); drv_data->wcid_to_sta[wcid - WCID_START] = NULL; __clear_bit(wcid - WCID_START, drv_data->sta_ids); return 0; } EXPORT_SYMBOL_GPL(rt2800_sta_remove); void rt2800_pre_reset_hw(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; struct data_queue *queue = rt2x00dev->bcn; struct queue_entry *entry; int i, wcid; for (wcid = WCID_START; wcid < WCID_END; wcid++) { drv_data->wcid_to_sta[wcid - WCID_START] = NULL; __clear_bit(wcid - WCID_START, drv_data->sta_ids); } for (i = 0; i < queue->limit; i++) { entry = &queue->entries[i]; clear_bit(ENTRY_BCN_ASSIGNED, &entry->flags); } } EXPORT_SYMBOL_GPL(rt2800_pre_reset_hw); void rt2800_config_filter(struct rt2x00_dev *rt2x00dev, const unsigned int filter_flags) { u32 reg; /* * Start configuration steps. * Note that the version error will always be dropped * and broadcast frames will always be accepted since * there is no filter for it at this time. */ reg = rt2800_register_read(rt2x00dev, RX_FILTER_CFG); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CRC_ERROR, !(filter_flags & FIF_FCSFAIL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PHY_ERROR, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_TO_ME, !test_bit(CONFIG_MONITORING, &rt2x00dev->flags)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_VER_ERROR, 1); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_MULTICAST, !(filter_flags & FIF_ALLMULTI)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BROADCAST, 0); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_DUPLICATE, 1); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CF_END_ACK, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CF_END, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_ACK, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CTS, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_RTS, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PSPOLL, !(filter_flags & FIF_PSPOLL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BA, 0); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BAR, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CNTL, !(filter_flags & FIF_CONTROL)); rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg); } EXPORT_SYMBOL_GPL(rt2800_config_filter); void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, struct rt2x00intf_conf *conf, const unsigned int flags) { u32 reg; bool update_bssid = false; if (flags & CONFIG_UPDATE_TYPE) { /* * Enable synchronisation. */ reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_SYNC, conf->sync); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); if (conf->sync == TSF_SYNC_AP_NONE) { /* * Tune beacon queue transmit parameters for AP mode */ reg = rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_CWMIN, 0); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_AIFSN, 1); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_EXP_WIN, 32); rt2x00_set_field32(®, TBTT_SYNC_CFG_TBTT_ADJUST, 0); rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg); } else { reg = rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_CWMIN, 4); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_AIFSN, 2); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_EXP_WIN, 32); rt2x00_set_field32(®, TBTT_SYNC_CFG_TBTT_ADJUST, 16); rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg); } } if (flags & CONFIG_UPDATE_MAC) { if (flags & CONFIG_UPDATE_TYPE && conf->sync == TSF_SYNC_AP_NONE) { /* * The BSSID register has to be set to our own mac * address in AP mode. */ memcpy(conf->bssid, conf->mac, sizeof(conf->mac)); update_bssid = true; } if (!is_zero_ether_addr((const u8 *)conf->mac)) { reg = le32_to_cpu(conf->mac[1]); rt2x00_set_field32(®, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff); conf->mac[1] = cpu_to_le32(reg); } rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0, conf->mac, sizeof(conf->mac)); } if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) { if (!is_zero_ether_addr((const u8 *)conf->bssid)) { reg = le32_to_cpu(conf->bssid[1]); rt2x00_set_field32(®, MAC_BSSID_DW1_BSS_ID_MASK, 3); rt2x00_set_field32(®, MAC_BSSID_DW1_BSS_BCN_NUM, 0); conf->bssid[1] = cpu_to_le32(reg); } rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0, conf->bssid, sizeof(conf->bssid)); } } EXPORT_SYMBOL_GPL(rt2800_config_intf); static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp) { bool any_sta_nongf = !!(erp->ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); u8 protection = erp->ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION; u8 mm20_mode, mm40_mode, gf20_mode, gf40_mode; u16 mm20_rate, mm40_rate, gf20_rate, gf40_rate; u32 reg; /* default protection rate for HT20: OFDM 24M */ mm20_rate = gf20_rate = 0x4004; /* default protection rate for HT40: duplicate OFDM 24M */ mm40_rate = gf40_rate = 0x4084; switch (protection) { case IEEE80211_HT_OP_MODE_PROTECTION_NONE: /* * All STAs in this BSS are HT20/40 but there might be * STAs not supporting greenfield mode. * => Disable protection for HT transmissions. */ mm20_mode = mm40_mode = gf20_mode = gf40_mode = 0; break; case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: /* * All STAs in this BSS are HT20 or HT20/40 but there * might be STAs not supporting greenfield mode. * => Protect all HT40 transmissions. */ mm20_mode = gf20_mode = 0; mm40_mode = gf40_mode = 1; break; case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER: /* * Nonmember protection: * According to 802.11n we _should_ protect all * HT transmissions (but we don't have to). * * But if cts_protection is enabled we _shall_ protect * all HT transmissions using a CCK rate. * * And if any station is non GF we _shall_ protect * GF transmissions. * * We decide to protect everything * -> fall through to mixed mode. */ case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: /* * Legacy STAs are present * => Protect all HT transmissions. */ mm20_mode = mm40_mode = gf20_mode = gf40_mode = 1; /* * If erp protection is needed we have to protect HT * transmissions with CCK 11M long preamble. */ if (erp->cts_protection) { /* don't duplicate RTS/CTS in CCK mode */ mm20_rate = mm40_rate = 0x0003; gf20_rate = gf40_rate = 0x0003; } break; } /* check for STAs not supporting greenfield mode */ if (any_sta_nongf) gf20_mode = gf40_mode = 1; /* Update HT protection config */ reg = rt2800_register_read(rt2x00dev, MM20_PROT_CFG); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_RATE, mm20_rate); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_CTRL, mm20_mode); rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, MM40_PROT_CFG); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_RATE, mm40_rate); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_CTRL, mm40_mode); rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, GF20_PROT_CFG); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_RATE, gf20_rate); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_CTRL, gf20_mode); rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, GF40_PROT_CFG); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_RATE, gf40_rate); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_CTRL, gf40_mode); rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg); } void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp, u32 changed) { u32 reg; if (changed & BSS_CHANGED_ERP_PREAMBLE) { reg = rt2800_register_read(rt2x00dev, AUTO_RSP_CFG); rt2x00_set_field32(®, AUTO_RSP_CFG_AR_PREAMBLE, !!erp->short_preamble); rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg); } if (changed & BSS_CHANGED_ERP_CTS_PROT) { reg = rt2800_register_read(rt2x00dev, OFDM_PROT_CFG); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_CTRL, erp->cts_protection ? 2 : 0); rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg); } if (changed & BSS_CHANGED_BASIC_RATES) { rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0xff0 | erp->basic_rates); rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003); } if (changed & BSS_CHANGED_ERP_SLOT) { reg = rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG); rt2x00_set_field32(®, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time); rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg); reg = rt2800_register_read(rt2x00dev, XIFS_TIME_CFG); rt2x00_set_field32(®, XIFS_TIME_CFG_EIFS, erp->eifs); rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg); } if (changed & BSS_CHANGED_BEACON_INT) { reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, erp->beacon_int * 16); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); } if (changed & BSS_CHANGED_HT) rt2800_config_ht_opmode(rt2x00dev, erp); } EXPORT_SYMBOL_GPL(rt2800_config_erp); static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev, const struct rt2x00_field32 mask) { unsigned int i; u32 reg; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { reg = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG); if (!rt2x00_get_field32(reg, mask)) return 0; udelay(REGISTER_BUSY_DELAY); } rt2x00_err(rt2x00dev, "BBP/RF register access failed, aborting\n"); return -EACCES; } static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; u8 value; /* * BBP was enabled after firmware was loaded, * but we need to reactivate it now. */ rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); msleep(1); for (i = 0; i < REGISTER_BUSY_COUNT; i++) { value = rt2800_bbp_read(rt2x00dev, 0); if ((value != 0xff) && (value != 0x00)) return 0; udelay(REGISTER_BUSY_DELAY); } rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n"); return -EACCES; } static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev) { u32 reg; u16 eeprom; u8 led_ctrl, led_g_mode, led_r_mode; reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH); if (rt2x00dev->curr_band == NL80211_BAND_5GHZ) { rt2x00_set_field32(®, GPIO_SWITCH_0, 1); rt2x00_set_field32(®, GPIO_SWITCH_1, 1); } else { rt2x00_set_field32(®, GPIO_SWITCH_0, 0); rt2x00_set_field32(®, GPIO_SWITCH_1, 0); } rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg); reg = rt2800_register_read(rt2x00dev, LED_CFG); led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0; led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3; if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) || led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ); led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE); if (led_ctrl == 0 || led_ctrl > 0x40) { rt2x00_set_field32(®, LED_CFG_G_LED_MODE, led_g_mode); rt2x00_set_field32(®, LED_CFG_R_LED_MODE, led_r_mode); rt2800_register_write(rt2x00dev, LED_CFG, reg); } else { rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff, (led_g_mode << 2) | led_r_mode, 1); } } } static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev, enum antenna ant) { u32 reg; u8 eesk_pin = (ant == ANTENNA_A) ? 1 : 0; u8 gpio_bit3 = (ant == ANTENNA_A) ? 0 : 1; if (rt2x00_is_pci(rt2x00dev)) { reg = rt2800_register_read(rt2x00dev, E2PROM_CSR); rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, eesk_pin); rt2800_register_write(rt2x00dev, E2PROM_CSR, reg); } else if (rt2x00_is_usb(rt2x00dev)) rt2800_mcu_request(rt2x00dev, MCU_ANT_SELECT, 0xff, eesk_pin, 0); reg = rt2800_register_read(rt2x00dev, GPIO_CTRL); rt2x00_set_field32(®, GPIO_CTRL_DIR3, 0); rt2x00_set_field32(®, GPIO_CTRL_VAL3, gpio_bit3); rt2800_register_write(rt2x00dev, GPIO_CTRL, reg); } void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant) { u8 r1; u8 r3; u16 eeprom; r1 = rt2800_bbp_read(rt2x00dev, 1); r3 = rt2800_bbp_read(rt2x00dev, 3); if (rt2x00_rt(rt2x00dev, RT3572) && rt2x00_has_cap_bt_coexist(rt2x00dev)) rt2800_config_3572bt_ant(rt2x00dev); /* * Configure the TX antenna. */ switch (ant->tx_chain_num) { case 1: rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0); break; case 2: if (rt2x00_rt(rt2x00dev, RT3572) && rt2x00_has_cap_bt_coexist(rt2x00dev)) rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1); else rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2); break; case 3: rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2); break; } /* * Configure the RX antenna. */ switch (ant->rx_chain_num) { case 1: if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3352) || rt2x00_rt(rt2x00dev, RT3390)) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY)) rt2800_set_ant_diversity(rt2x00dev, rt2x00dev->default_ant.rx); } rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0); break; case 2: if (rt2x00_rt(rt2x00dev, RT3572) && rt2x00_has_cap_bt_coexist(rt2x00dev)) { rt2x00_set_field8(&r3, BBP3_RX_ADC, 1); rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, rt2x00dev->curr_band == NL80211_BAND_5GHZ); rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B); } else { rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1); } break; case 3: rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2); break; } rt2800_bbp_write(rt2x00dev, 3, r3); rt2800_bbp_write(rt2x00dev, 1, r1); if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) { if (ant->rx_chain_num == 1) rt2800_bbp_write(rt2x00dev, 86, 0x00); else rt2800_bbp_write(rt2x00dev, 86, 0x46); } } EXPORT_SYMBOL_GPL(rt2800_config_ant); static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { u16 eeprom; short lna_gain; if (libconf->rf.channel <= 14) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_LNA); lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG); } else if (libconf->rf.channel <= 64) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_LNA); lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0); } else if (libconf->rf.channel <= 128) { if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2); lna_gain = rt2x00_get_field16(eeprom, EEPROM_EXT_LNA2_A1); } else { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2); lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1); } } else { if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2); lna_gain = rt2x00_get_field16(eeprom, EEPROM_EXT_LNA2_A2); } else { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2); lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2); } } rt2x00dev->lna_gain = lna_gain; } static inline bool rt2800_clk_is_20mhz(struct rt2x00_dev *rt2x00dev) { return clk_get_rate(rt2x00dev->clk) == 20000000; } #define FREQ_OFFSET_BOUND 0x5f static void rt2800_freq_cal_mode1(struct rt2x00_dev *rt2x00dev) { u8 freq_offset, prev_freq_offset; u8 rfcsr, prev_rfcsr; freq_offset = rt2x00_get_field8(rt2x00dev->freq_offset, RFCSR17_CODE); freq_offset = min_t(u8, freq_offset, FREQ_OFFSET_BOUND); rfcsr = rt2800_rfcsr_read(rt2x00dev, 17); prev_rfcsr = rfcsr; rt2x00_set_field8(&rfcsr, RFCSR17_CODE, freq_offset); if (rfcsr == prev_rfcsr) return; if (rt2x00_is_usb(rt2x00dev)) { rt2800_mcu_request(rt2x00dev, MCU_FREQ_OFFSET, 0xff, freq_offset, prev_rfcsr); return; } prev_freq_offset = rt2x00_get_field8(prev_rfcsr, RFCSR17_CODE); while (prev_freq_offset != freq_offset) { if (prev_freq_offset < freq_offset) prev_freq_offset++; else prev_freq_offset--; rt2x00_set_field8(&rfcsr, RFCSR17_CODE, prev_freq_offset); rt2800_rfcsr_write(rt2x00dev, 17, rfcsr); usleep_range(1000, 1500); } } static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset); if (rt2x00dev->default_ant.tx_chain_num == 1) rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1); if (rt2x00dev->default_ant.rx_chain_num == 1) { rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1); rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1); } else if (rt2x00dev->default_ant.rx_chain_num == 2) rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1); if (rf->channel > 14) { /* * When TX power is below 0, we should increase it by 7 to * make it a positive value (Minimum value is -7). * However this means that values between 0 and 7 have * double meaning, and we should set a 7DBm boost flag. */ rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST, (info->default_power1 >= 0)); if (info->default_power1 < 0) info->default_power1 += 7; rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1); rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST, (info->default_power2 >= 0)); if (info->default_power2 < 0) info->default_power2 += 7; rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2); } else { rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1); rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2); } rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf)); rt2800_rf_write(rt2x00dev, 1, rf->rf1); rt2800_rf_write(rt2x00dev, 2, rf->rf2); rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); rt2800_rf_write(rt2x00dev, 4, rf->rf4); udelay(200); rt2800_rf_write(rt2x00dev, 1, rf->rf1); rt2800_rf_write(rt2x00dev, 2, rf->rf2); rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004); rt2800_rf_write(rt2x00dev, 4, rf->rf4); udelay(200); rt2800_rf_write(rt2x00dev, 1, rf->rf1); rt2800_rf_write(rt2x00dev, 2, rf->rf2); rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); rt2800_rf_write(rt2x00dev, 4, rf->rf4); } static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 rfcsr, calib_tx, calib_rx; rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1); rfcsr = rt2800_rfcsr_read(rt2x00dev, 3); rt2x00_set_field8(&rfcsr, RFCSR3_K, rf->rf3); rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 6); rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2); rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 12); rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1); rt2800_rfcsr_write(rt2x00dev, 12, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 13); rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2); rt2800_rfcsr_write(rt2x00dev, 13, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, rt2x00dev->default_ant.rx_chain_num <= 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, rt2x00dev->default_ant.rx_chain_num <= 2); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, rt2x00dev->default_ant.tx_chain_num <= 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, rt2x00dev->default_ant.tx_chain_num <= 2); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 23); rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset); rt2800_rfcsr_write(rt2x00dev, 23, rfcsr); if (rt2x00_rt(rt2x00dev, RT3390)) { calib_tx = conf_is_ht40(conf) ? 0x68 : 0x4f; calib_rx = conf_is_ht40(conf) ? 0x6f : 0x4f; } else { if (conf_is_ht40(conf)) { calib_tx = drv_data->calibration_bw40; calib_rx = drv_data->calibration_bw40; } else { calib_tx = drv_data->calibration_bw20; calib_rx = drv_data->calibration_bw20; } } rfcsr = rt2800_rfcsr_read(rt2x00dev, 24); rt2x00_set_field8(&rfcsr, RFCSR24_TX_CALIB, calib_tx); rt2800_rfcsr_write(rt2x00dev, 24, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 31); rt2x00_set_field8(&rfcsr, RFCSR31_RX_CALIB, calib_rx); rt2800_rfcsr_write(rt2x00dev, 31, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 7); rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1); rt2800_rfcsr_write(rt2x00dev, 7, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 30); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); usleep_range(1000, 1500); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); } static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 rfcsr; u32 reg; if (rf->channel <= 14) { rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25); rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26); } else { rt2800_bbp_write(rt2x00dev, 25, 0x09); rt2800_bbp_write(rt2x00dev, 26, 0xff); } rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1); rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3); rfcsr = rt2800_rfcsr_read(rt2x00dev, 6); rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2); else rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1); rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 5); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1); else rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2); rt2800_rfcsr_write(rt2x00dev, 5, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 12); if (rf->channel <= 14) { rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3); rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1); } else { rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7); rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, (info->default_power1 & 0x3) | ((info->default_power1 & 0xC) << 1)); } rt2800_rfcsr_write(rt2x00dev, 12, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 13); if (rf->channel <= 14) { rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3); rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2); } else { rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7); rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, (info->default_power2 & 0x3) | ((info->default_power2 & 0xC) << 1)); } rt2800_rfcsr_write(rt2x00dev, 13, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0); if (rt2x00_has_cap_bt_coexist(rt2x00dev)) { if (rf->channel <= 14) { rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1); } rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1); } else { switch (rt2x00dev->default_ant.tx_chain_num) { case 1: rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); fallthrough; case 2: rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1); break; } switch (rt2x00dev->default_ant.rx_chain_num) { case 1: rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); fallthrough; case 2: rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1); break; } } rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 23); rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset); rt2800_rfcsr_write(rt2x00dev, 23, rfcsr); if (conf_is_ht40(conf)) { rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw40); rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw40); } else { rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw20); rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw20); } if (rf->channel <= 14) { rt2800_rfcsr_write(rt2x00dev, 7, 0xd8); rt2800_rfcsr_write(rt2x00dev, 9, 0xc3); rt2800_rfcsr_write(rt2x00dev, 10, 0xf1); rt2800_rfcsr_write(rt2x00dev, 11, 0xb9); rt2800_rfcsr_write(rt2x00dev, 15, 0x53); rfcsr = 0x4c; rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN, drv_data->txmixer_gain_24g); rt2800_rfcsr_write(rt2x00dev, 16, rfcsr); rt2800_rfcsr_write(rt2x00dev, 17, 0x23); rt2800_rfcsr_write(rt2x00dev, 19, 0x93); rt2800_rfcsr_write(rt2x00dev, 20, 0xb3); rt2800_rfcsr_write(rt2x00dev, 25, 0x15); rt2800_rfcsr_write(rt2x00dev, 26, 0x85); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x9b); } else { rfcsr = rt2800_rfcsr_read(rt2x00dev, 7); rt2x00_set_field8(&rfcsr, RFCSR7_BIT2, 1); rt2x00_set_field8(&rfcsr, RFCSR7_BIT3, 0); rt2x00_set_field8(&rfcsr, RFCSR7_BIT4, 1); rt2x00_set_field8(&rfcsr, RFCSR7_BITS67, 0); rt2800_rfcsr_write(rt2x00dev, 7, rfcsr); rt2800_rfcsr_write(rt2x00dev, 9, 0xc0); rt2800_rfcsr_write(rt2x00dev, 10, 0xf1); rt2800_rfcsr_write(rt2x00dev, 11, 0x00); rt2800_rfcsr_write(rt2x00dev, 15, 0x43); rfcsr = 0x7a; rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN, drv_data->txmixer_gain_5g); rt2800_rfcsr_write(rt2x00dev, 16, rfcsr); rt2800_rfcsr_write(rt2x00dev, 17, 0x23); if (rf->channel <= 64) { rt2800_rfcsr_write(rt2x00dev, 19, 0xb7); rt2800_rfcsr_write(rt2x00dev, 20, 0xf6); rt2800_rfcsr_write(rt2x00dev, 25, 0x3d); } else if (rf->channel <= 128) { rt2800_rfcsr_write(rt2x00dev, 19, 0x74); rt2800_rfcsr_write(rt2x00dev, 20, 0xf4); rt2800_rfcsr_write(rt2x00dev, 25, 0x01); } else { rt2800_rfcsr_write(rt2x00dev, 19, 0x72); rt2800_rfcsr_write(rt2x00dev, 20, 0xf3); rt2800_rfcsr_write(rt2x00dev, 25, 0x01); } rt2800_rfcsr_write(rt2x00dev, 26, 0x87); rt2800_rfcsr_write(rt2x00dev, 27, 0x01); rt2800_rfcsr_write(rt2x00dev, 29, 0x9f); } reg = rt2800_register_read(rt2x00dev, GPIO_CTRL); rt2x00_set_field32(®, GPIO_CTRL_DIR7, 0); if (rf->channel <= 14) rt2x00_set_field32(®, GPIO_CTRL_VAL7, 1); else rt2x00_set_field32(®, GPIO_CTRL_VAL7, 0); rt2800_register_write(rt2x00dev, GPIO_CTRL, reg); rfcsr = rt2800_rfcsr_read(rt2x00dev, 7); rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1); rt2800_rfcsr_write(rt2x00dev, 7, rfcsr); } static void rt2800_config_channel_rf3053(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 txrx_agc_fc; u8 txrx_h20m; u8 rfcsr; u8 bbp; const bool txbf_enabled = false; /* TODO */ /* TODO: use TX{0,1,2}FinePowerControl values from EEPROM */ bbp = rt2800_bbp_read(rt2x00dev, 109); rt2x00_set_field8(&bbp, BBP109_TX0_POWER, 0); rt2x00_set_field8(&bbp, BBP109_TX1_POWER, 0); rt2800_bbp_write(rt2x00dev, 109, bbp); bbp = rt2800_bbp_read(rt2x00dev, 110); rt2x00_set_field8(&bbp, BBP110_TX2_POWER, 0); rt2800_bbp_write(rt2x00dev, 110, bbp); if (rf->channel <= 14) { /* Restore BBP 25 & 26 for 2.4 GHz */ rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25); rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26); } else { /* Hard code BBP 25 & 26 for 5GHz */ /* Enable IQ Phase correction */ rt2800_bbp_write(rt2x00dev, 25, 0x09); /* Setup IQ Phase correction value */ rt2800_bbp_write(rt2x00dev, 26, 0xff); } rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1); rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3 & 0xf); rfcsr = rt2800_rfcsr_read(rt2x00dev, 11); rt2x00_set_field8(&rfcsr, RFCSR11_R, (rf->rf2 & 0x3)); rt2800_rfcsr_write(rt2x00dev, 11, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 11); rt2x00_set_field8(&rfcsr, RFCSR11_PLL_IDOH, 1); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 1); else rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 2); rt2800_rfcsr_write(rt2x00dev, 11, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 53); if (rf->channel <= 14) { rfcsr = 0; rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER, info->default_power1 & 0x1f); } else { if (rt2x00_is_usb(rt2x00dev)) rfcsr = 0x40; rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER, ((info->default_power1 & 0x18) << 1) | (info->default_power1 & 7)); } rt2800_rfcsr_write(rt2x00dev, 53, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 55); if (rf->channel <= 14) { rfcsr = 0; rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER, info->default_power2 & 0x1f); } else { if (rt2x00_is_usb(rt2x00dev)) rfcsr = 0x40; rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER, ((info->default_power2 & 0x18) << 1) | (info->default_power2 & 7)); } rt2800_rfcsr_write(rt2x00dev, 55, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 54); if (rf->channel <= 14) { rfcsr = 0; rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER, info->default_power3 & 0x1f); } else { if (rt2x00_is_usb(rt2x00dev)) rfcsr = 0x40; rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER, ((info->default_power3 & 0x18) << 1) | (info->default_power3 & 7)); } rt2800_rfcsr_write(rt2x00dev, 54, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1); switch (rt2x00dev->default_ant.tx_chain_num) { case 3: rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1); fallthrough; case 2: rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); fallthrough; case 1: rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1); break; } switch (rt2x00dev->default_ant.rx_chain_num) { case 3: rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1); fallthrough; case 2: rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); fallthrough; case 1: rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); break; } rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rt2800_freq_cal_mode1(rt2x00dev); if (conf_is_ht40(conf)) { txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw40, RFCSR24_TX_AGC_FC); txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw40, RFCSR24_TX_H20M); } else { txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw20, RFCSR24_TX_AGC_FC); txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw20, RFCSR24_TX_H20M); } /* NOTE: the reference driver does not writes the new value * back to RFCSR 32 */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 32); rt2x00_set_field8(&rfcsr, RFCSR32_TX_AGC_FC, txrx_agc_fc); if (rf->channel <= 14) rfcsr = 0xa0; else rfcsr = 0x80; rt2800_rfcsr_write(rt2x00dev, 31, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 30); rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, txrx_h20m); rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, txrx_h20m); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); /* Band selection */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 36); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 1); else rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 0); rt2800_rfcsr_write(rt2x00dev, 36, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 34); if (rf->channel <= 14) rfcsr = 0x3c; else rfcsr = 0x20; rt2800_rfcsr_write(rt2x00dev, 34, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 12); if (rf->channel <= 14) rfcsr = 0x1a; else rfcsr = 0x12; rt2800_rfcsr_write(rt2x00dev, 12, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 6); if (rf->channel >= 1 && rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1); else if (rf->channel >= 36 && rf->channel <= 64) rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2); else if (rf->channel >= 100 && rf->channel <= 128) rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2); else rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1); rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 30); rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); rt2800_rfcsr_write(rt2x00dev, 46, 0x60); if (rf->channel <= 14) { rt2800_rfcsr_write(rt2x00dev, 10, 0xd3); rt2800_rfcsr_write(rt2x00dev, 13, 0x12); } else { rt2800_rfcsr_write(rt2x00dev, 10, 0xd8); rt2800_rfcsr_write(rt2x00dev, 13, 0x23); } rfcsr = rt2800_rfcsr_read(rt2x00dev, 51); rt2x00_set_field8(&rfcsr, RFCSR51_BITS01, 1); rt2800_rfcsr_write(rt2x00dev, 51, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 51); if (rf->channel <= 14) { rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 5); rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 3); } else { rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 4); rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 2); } rt2800_rfcsr_write(rt2x00dev, 51, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 49); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 3); else rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 2); if (txbf_enabled) rt2x00_set_field8(&rfcsr, RFCSR49_TX_DIV, 1); rt2800_rfcsr_write(rt2x00dev, 49, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 50); rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO1_EN, 0); rt2800_rfcsr_write(rt2x00dev, 50, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 57); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x1b); else rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x0f); rt2800_rfcsr_write(rt2x00dev, 57, rfcsr); if (rf->channel <= 14) { rt2800_rfcsr_write(rt2x00dev, 44, 0x93); rt2800_rfcsr_write(rt2x00dev, 52, 0x45); } else { rt2800_rfcsr_write(rt2x00dev, 44, 0x9b); rt2800_rfcsr_write(rt2x00dev, 52, 0x05); } /* Initiate VCO calibration */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 3); if (rf->channel <= 14) { rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); } else { rt2x00_set_field8(&rfcsr, RFCSR3_BIT1, 1); rt2x00_set_field8(&rfcsr, RFCSR3_BIT2, 1); rt2x00_set_field8(&rfcsr, RFCSR3_BIT3, 1); rt2x00_set_field8(&rfcsr, RFCSR3_BIT4, 1); rt2x00_set_field8(&rfcsr, RFCSR3_BIT5, 1); rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); } rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); if (rf->channel >= 1 && rf->channel <= 14) { rfcsr = 0x23; if (txbf_enabled) rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1); rt2800_rfcsr_write(rt2x00dev, 39, rfcsr); rt2800_rfcsr_write(rt2x00dev, 45, 0xbb); } else if (rf->channel >= 36 && rf->channel <= 64) { rfcsr = 0x36; if (txbf_enabled) rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1); rt2800_rfcsr_write(rt2x00dev, 39, 0x36); rt2800_rfcsr_write(rt2x00dev, 45, 0xeb); } else if (rf->channel >= 100 && rf->channel <= 128) { rfcsr = 0x32; if (txbf_enabled) rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1); rt2800_rfcsr_write(rt2x00dev, 39, rfcsr); rt2800_rfcsr_write(rt2x00dev, 45, 0xb3); } else { rfcsr = 0x30; if (txbf_enabled) rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1); rt2800_rfcsr_write(rt2x00dev, 39, rfcsr); rt2800_rfcsr_write(rt2x00dev, 45, 0x9b); } } static void rt2800_config_channel_rf3853(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u8 rfcsr; u8 bbp; u8 pwr1, pwr2, pwr3; const bool txbf_enabled = false; /* TODO */ /* TODO: add band selection */ if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 6, 0x40); else if (rf->channel < 132) rt2800_rfcsr_write(rt2x00dev, 6, 0x80); else rt2800_rfcsr_write(rt2x00dev, 6, 0x40); rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1); rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 11, 0x46); else rt2800_rfcsr_write(rt2x00dev, 11, 0x48); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 12, 0x1a); else rt2800_rfcsr_write(rt2x00dev, 12, 0x52); rt2800_rfcsr_write(rt2x00dev, 13, 0x12); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1); switch (rt2x00dev->default_ant.tx_chain_num) { case 3: rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1); fallthrough; case 2: rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); fallthrough; case 1: rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1); break; } switch (rt2x00dev->default_ant.rx_chain_num) { case 3: rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1); fallthrough; case 2: rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); fallthrough; case 1: rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); break; } rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rt2800_freq_cal_mode1(rt2x00dev); rfcsr = rt2800_rfcsr_read(rt2x00dev, 30); if (!conf_is_ht40(conf)) rfcsr &= ~(0x06); else rfcsr |= 0x06; rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 31, 0xa0); else rt2800_rfcsr_write(rt2x00dev, 31, 0x80); if (conf_is_ht40(conf)) rt2800_rfcsr_write(rt2x00dev, 32, 0x80); else rt2800_rfcsr_write(rt2x00dev, 32, 0xd8); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 34, 0x3c); else rt2800_rfcsr_write(rt2x00dev, 34, 0x20); /* loopback RF_BS */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 36); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 1); else rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 0); rt2800_rfcsr_write(rt2x00dev, 36, rfcsr); if (rf->channel <= 14) rfcsr = 0x23; else if (rf->channel < 100) rfcsr = 0x36; else if (rf->channel < 132) rfcsr = 0x32; else rfcsr = 0x30; if (txbf_enabled) rfcsr |= 0x40; rt2800_rfcsr_write(rt2x00dev, 39, rfcsr); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 44, 0x93); else rt2800_rfcsr_write(rt2x00dev, 44, 0x9b); if (rf->channel <= 14) rfcsr = 0xbb; else if (rf->channel < 100) rfcsr = 0xeb; else if (rf->channel < 132) rfcsr = 0xb3; else rfcsr = 0x9b; rt2800_rfcsr_write(rt2x00dev, 45, rfcsr); if (rf->channel <= 14) rfcsr = 0x8e; else rfcsr = 0x8a; if (txbf_enabled) rfcsr |= 0x20; rt2800_rfcsr_write(rt2x00dev, 49, rfcsr); rt2800_rfcsr_write(rt2x00dev, 50, 0x86); rfcsr = rt2800_rfcsr_read(rt2x00dev, 51); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 51, 0x75); else rt2800_rfcsr_write(rt2x00dev, 51, 0x51); rfcsr = rt2800_rfcsr_read(rt2x00dev, 52); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 52, 0x45); else rt2800_rfcsr_write(rt2x00dev, 52, 0x05); if (rf->channel <= 14) { pwr1 = info->default_power1 & 0x1f; pwr2 = info->default_power2 & 0x1f; pwr3 = info->default_power3 & 0x1f; } else { pwr1 = 0x48 | ((info->default_power1 & 0x18) << 1) | (info->default_power1 & 0x7); pwr2 = 0x48 | ((info->default_power2 & 0x18) << 1) | (info->default_power2 & 0x7); pwr3 = 0x48 | ((info->default_power3 & 0x18) << 1) | (info->default_power3 & 0x7); } rt2800_rfcsr_write(rt2x00dev, 53, pwr1); rt2800_rfcsr_write(rt2x00dev, 54, pwr2); rt2800_rfcsr_write(rt2x00dev, 55, pwr3); rt2x00_dbg(rt2x00dev, "Channel:%d, pwr1:%02x, pwr2:%02x, pwr3:%02x\n", rf->channel, pwr1, pwr2, pwr3); bbp = (info->default_power1 >> 5) | ((info->default_power2 & 0xe0) >> 1); rt2800_bbp_write(rt2x00dev, 109, bbp); bbp = rt2800_bbp_read(rt2x00dev, 110); bbp &= 0x0f; bbp |= (info->default_power3 & 0xe0) >> 1; rt2800_bbp_write(rt2x00dev, 110, bbp); rfcsr = rt2800_rfcsr_read(rt2x00dev, 57); if (rf->channel <= 14) rt2800_rfcsr_write(rt2x00dev, 57, 0x6e); else rt2800_rfcsr_write(rt2x00dev, 57, 0x3e); /* Enable RF tuning */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 3); rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); udelay(2000); bbp = rt2800_bbp_read(rt2x00dev, 49); /* clear update flag */ rt2800_bbp_write(rt2x00dev, 49, bbp & 0xfe); rt2800_bbp_write(rt2x00dev, 49, bbp); /* TODO: add calibration for TxBF */ } #define POWER_BOUND 0x27 #define POWER_BOUND_5G 0x2b static void rt2800_config_channel_rf3290(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u8 rfcsr; rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1); rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3); rfcsr = rt2800_rfcsr_read(rt2x00dev, 11); rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2); rt2800_rfcsr_write(rt2x00dev, 11, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 49); if (info->default_power1 > POWER_BOUND) rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND); else rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1); rt2800_rfcsr_write(rt2x00dev, 49, rfcsr); rt2800_freq_cal_mode1(rt2x00dev); if (rf->channel <= 14) { if (rf->channel == 6) rt2800_bbp_write(rt2x00dev, 68, 0x0c); else rt2800_bbp_write(rt2x00dev, 68, 0x0b); if (rf->channel >= 1 && rf->channel <= 6) rt2800_bbp_write(rt2x00dev, 59, 0x0f); else if (rf->channel >= 7 && rf->channel <= 11) rt2800_bbp_write(rt2x00dev, 59, 0x0e); else if (rf->channel >= 12 && rf->channel <= 14) rt2800_bbp_write(rt2x00dev, 59, 0x0d); } } static void rt2800_config_channel_rf3322(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u8 rfcsr; rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1); rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3); rt2800_rfcsr_write(rt2x00dev, 11, 0x42); rt2800_rfcsr_write(rt2x00dev, 12, 0x1c); rt2800_rfcsr_write(rt2x00dev, 13, 0x00); if (info->default_power1 > POWER_BOUND) rt2800_rfcsr_write(rt2x00dev, 47, POWER_BOUND); else rt2800_rfcsr_write(rt2x00dev, 47, info->default_power1); if (info->default_power2 > POWER_BOUND) rt2800_rfcsr_write(rt2x00dev, 48, POWER_BOUND); else rt2800_rfcsr_write(rt2x00dev, 48, info->default_power2); rt2800_freq_cal_mode1(rt2x00dev); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1); if ( rt2x00dev->default_ant.tx_chain_num == 2 ) rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); else rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0); if ( rt2x00dev->default_ant.rx_chain_num == 2 ) rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); else rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rt2800_rfcsr_write(rt2x00dev, 31, 80); } static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u8 rfcsr; int idx = rf->channel-1; rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1); rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3); rfcsr = rt2800_rfcsr_read(rt2x00dev, 11); rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2); rt2800_rfcsr_write(rt2x00dev, 11, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 49); if (info->default_power1 > POWER_BOUND) rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND); else rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1); rt2800_rfcsr_write(rt2x00dev, 49, rfcsr); if (rt2x00_rt(rt2x00dev, RT5392)) { rfcsr = rt2800_rfcsr_read(rt2x00dev, 50); if (info->default_power2 > POWER_BOUND) rt2x00_set_field8(&rfcsr, RFCSR50_TX, POWER_BOUND); else rt2x00_set_field8(&rfcsr, RFCSR50_TX, info->default_power2); rt2800_rfcsr_write(rt2x00dev, 50, rfcsr); } rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); if (rt2x00_rt(rt2x00dev, RT5392)) { rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); } rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rt2800_freq_cal_mode1(rt2x00dev); if (rt2x00_has_cap_bt_coexist(rt2x00dev)) { if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) { /* r55/r59 value array of channel 1~14 */ static const u8 r55_bt_rev[] = {0x83, 0x83, 0x83, 0x73, 0x73, 0x63, 0x53, 0x53, 0x53, 0x43, 0x43, 0x43, 0x43, 0x43}; static const u8 r59_bt_rev[] = {0x0e, 0x0e, 0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07}; rt2800_rfcsr_write(rt2x00dev, 55, r55_bt_rev[idx]); rt2800_rfcsr_write(rt2x00dev, 59, r59_bt_rev[idx]); } else { static const u8 r59_bt[] = {0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89, 0x88, 0x88, 0x86, 0x85, 0x84}; rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]); } } else { if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) { static const u8 r55_nonbt_rev[] = {0x23, 0x23, 0x23, 0x23, 0x13, 0x13, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03}; static const u8 r59_nonbt_rev[] = {0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x06, 0x05, 0x04, 0x04}; rt2800_rfcsr_write(rt2x00dev, 55, r55_nonbt_rev[idx]); rt2800_rfcsr_write(rt2x00dev, 59, r59_nonbt_rev[idx]); } else if (rt2x00_rt(rt2x00dev, RT5390) || rt2x00_rt(rt2x00dev, RT5392) || rt2x00_rt(rt2x00dev, RT6352)) { static const u8 r59_non_bt[] = {0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d, 0x8a, 0x88, 0x88, 0x87, 0x87, 0x86}; rt2800_rfcsr_write(rt2x00dev, 59, r59_non_bt[idx]); } else if (rt2x00_rt(rt2x00dev, RT5350)) { static const u8 r59_non_bt[] = {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0a, 0x0a, 0x09, 0x08, 0x07, 0x07, 0x06}; rt2800_rfcsr_write(rt2x00dev, 59, r59_non_bt[idx]); } } } static void rt2800_config_channel_rf55xx(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u8 rfcsr, ep_reg; u32 reg; int power_bound; /* TODO */ const bool is_11b = false; const bool is_type_ep = false; reg = rt2800_register_read(rt2x00dev, LDO_CFG0); rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, (rf->channel > 14 || conf_is_ht40(conf)) ? 5 : 0); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); /* Order of values on rf_channel entry: N, K, mod, R */ rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1 & 0xff); rfcsr = rt2800_rfcsr_read(rt2x00dev, 9); rt2x00_set_field8(&rfcsr, RFCSR9_K, rf->rf2 & 0xf); rt2x00_set_field8(&rfcsr, RFCSR9_N, (rf->rf1 & 0x100) >> 8); rt2x00_set_field8(&rfcsr, RFCSR9_MOD, ((rf->rf3 - 8) & 0x4) >> 2); rt2800_rfcsr_write(rt2x00dev, 9, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 11); rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf4 - 1); rt2x00_set_field8(&rfcsr, RFCSR11_MOD, (rf->rf3 - 8) & 0x3); rt2800_rfcsr_write(rt2x00dev, 11, rfcsr); if (rf->channel <= 14) { rt2800_rfcsr_write(rt2x00dev, 10, 0x90); /* FIXME: RF11 owerwrite ? */ rt2800_rfcsr_write(rt2x00dev, 11, 0x4A); rt2800_rfcsr_write(rt2x00dev, 12, 0x52); rt2800_rfcsr_write(rt2x00dev, 13, 0x42); rt2800_rfcsr_write(rt2x00dev, 22, 0x40); rt2800_rfcsr_write(rt2x00dev, 24, 0x4A); rt2800_rfcsr_write(rt2x00dev, 25, 0x80); rt2800_rfcsr_write(rt2x00dev, 27, 0x42); rt2800_rfcsr_write(rt2x00dev, 36, 0x80); rt2800_rfcsr_write(rt2x00dev, 37, 0x08); rt2800_rfcsr_write(rt2x00dev, 38, 0x89); rt2800_rfcsr_write(rt2x00dev, 39, 0x1B); rt2800_rfcsr_write(rt2x00dev, 40, 0x0D); rt2800_rfcsr_write(rt2x00dev, 41, 0x9B); rt2800_rfcsr_write(rt2x00dev, 42, 0xD5); rt2800_rfcsr_write(rt2x00dev, 43, 0x72); rt2800_rfcsr_write(rt2x00dev, 44, 0x0E); rt2800_rfcsr_write(rt2x00dev, 45, 0xA2); rt2800_rfcsr_write(rt2x00dev, 46, 0x6B); rt2800_rfcsr_write(rt2x00dev, 48, 0x10); rt2800_rfcsr_write(rt2x00dev, 51, 0x3E); rt2800_rfcsr_write(rt2x00dev, 52, 0x48); rt2800_rfcsr_write(rt2x00dev, 54, 0x38); rt2800_rfcsr_write(rt2x00dev, 56, 0xA1); rt2800_rfcsr_write(rt2x00dev, 57, 0x00); rt2800_rfcsr_write(rt2x00dev, 58, 0x39); rt2800_rfcsr_write(rt2x00dev, 60, 0x45); rt2800_rfcsr_write(rt2x00dev, 61, 0x91); rt2800_rfcsr_write(rt2x00dev, 62, 0x39); /* TODO RF27 <- tssi */ rfcsr = rf->channel <= 10 ? 0x07 : 0x06; rt2800_rfcsr_write(rt2x00dev, 23, rfcsr); rt2800_rfcsr_write(rt2x00dev, 59, rfcsr); if (is_11b) { /* CCK */ rt2800_rfcsr_write(rt2x00dev, 31, 0xF8); rt2800_rfcsr_write(rt2x00dev, 32, 0xC0); if (is_type_ep) rt2800_rfcsr_write(rt2x00dev, 55, 0x06); else rt2800_rfcsr_write(rt2x00dev, 55, 0x47); } else { /* OFDM */ if (is_type_ep) rt2800_rfcsr_write(rt2x00dev, 55, 0x03); else rt2800_rfcsr_write(rt2x00dev, 55, 0x43); } power_bound = POWER_BOUND; ep_reg = 0x2; } else { rt2800_rfcsr_write(rt2x00dev, 10, 0x97); /* FIMXE: RF11 overwrite */ rt2800_rfcsr_write(rt2x00dev, 11, 0x40); rt2800_rfcsr_write(rt2x00dev, 25, 0xBF); rt2800_rfcsr_write(rt2x00dev, 27, 0x42); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 37, 0x04); rt2800_rfcsr_write(rt2x00dev, 38, 0x85); rt2800_rfcsr_write(rt2x00dev, 40, 0x42); rt2800_rfcsr_write(rt2x00dev, 41, 0xBB); rt2800_rfcsr_write(rt2x00dev, 42, 0xD7); rt2800_rfcsr_write(rt2x00dev, 45, 0x41); rt2800_rfcsr_write(rt2x00dev, 48, 0x00); rt2800_rfcsr_write(rt2x00dev, 57, 0x77); rt2800_rfcsr_write(rt2x00dev, 60, 0x05); rt2800_rfcsr_write(rt2x00dev, 61, 0x01); /* TODO RF27 <- tssi */ if (rf->channel >= 36 && rf->channel <= 64) { rt2800_rfcsr_write(rt2x00dev, 12, 0x2E); rt2800_rfcsr_write(rt2x00dev, 13, 0x22); rt2800_rfcsr_write(rt2x00dev, 22, 0x60); rt2800_rfcsr_write(rt2x00dev, 23, 0x7F); if (rf->channel <= 50) rt2800_rfcsr_write(rt2x00dev, 24, 0x09); else if (rf->channel >= 52) rt2800_rfcsr_write(rt2x00dev, 24, 0x07); rt2800_rfcsr_write(rt2x00dev, 39, 0x1C); rt2800_rfcsr_write(rt2x00dev, 43, 0x5B); rt2800_rfcsr_write(rt2x00dev, 44, 0X40); rt2800_rfcsr_write(rt2x00dev, 46, 0X00); rt2800_rfcsr_write(rt2x00dev, 51, 0xFE); rt2800_rfcsr_write(rt2x00dev, 52, 0x0C); rt2800_rfcsr_write(rt2x00dev, 54, 0xF8); if (rf->channel <= 50) { rt2800_rfcsr_write(rt2x00dev, 55, 0x06), rt2800_rfcsr_write(rt2x00dev, 56, 0xD3); } else if (rf->channel >= 52) { rt2800_rfcsr_write(rt2x00dev, 55, 0x04); rt2800_rfcsr_write(rt2x00dev, 56, 0xBB); } rt2800_rfcsr_write(rt2x00dev, 58, 0x15); rt2800_rfcsr_write(rt2x00dev, 59, 0x7F); rt2800_rfcsr_write(rt2x00dev, 62, 0x15); } else if (rf->channel >= 100 && rf->channel <= 165) { rt2800_rfcsr_write(rt2x00dev, 12, 0x0E); rt2800_rfcsr_write(rt2x00dev, 13, 0x42); rt2800_rfcsr_write(rt2x00dev, 22, 0x40); if (rf->channel <= 153) { rt2800_rfcsr_write(rt2x00dev, 23, 0x3C); rt2800_rfcsr_write(rt2x00dev, 24, 0x06); } else if (rf->channel >= 155) { rt2800_rfcsr_write(rt2x00dev, 23, 0x38); rt2800_rfcsr_write(rt2x00dev, 24, 0x05); } if (rf->channel <= 138) { rt2800_rfcsr_write(rt2x00dev, 39, 0x1A); rt2800_rfcsr_write(rt2x00dev, 43, 0x3B); rt2800_rfcsr_write(rt2x00dev, 44, 0x20); rt2800_rfcsr_write(rt2x00dev, 46, 0x18); } else if (rf->channel >= 140) { rt2800_rfcsr_write(rt2x00dev, 39, 0x18); rt2800_rfcsr_write(rt2x00dev, 43, 0x1B); rt2800_rfcsr_write(rt2x00dev, 44, 0x10); rt2800_rfcsr_write(rt2x00dev, 46, 0X08); } if (rf->channel <= 124) rt2800_rfcsr_write(rt2x00dev, 51, 0xFC); else if (rf->channel >= 126) rt2800_rfcsr_write(rt2x00dev, 51, 0xEC); if (rf->channel <= 138) rt2800_rfcsr_write(rt2x00dev, 52, 0x06); else if (rf->channel >= 140) rt2800_rfcsr_write(rt2x00dev, 52, 0x06); rt2800_rfcsr_write(rt2x00dev, 54, 0xEB); if (rf->channel <= 138) rt2800_rfcsr_write(rt2x00dev, 55, 0x01); else if (rf->channel >= 140) rt2800_rfcsr_write(rt2x00dev, 55, 0x00); if (rf->channel <= 128) rt2800_rfcsr_write(rt2x00dev, 56, 0xBB); else if (rf->channel >= 130) rt2800_rfcsr_write(rt2x00dev, 56, 0xAB); if (rf->channel <= 116) rt2800_rfcsr_write(rt2x00dev, 58, 0x1D); else if (rf->channel >= 118) rt2800_rfcsr_write(rt2x00dev, 58, 0x15); if (rf->channel <= 138) rt2800_rfcsr_write(rt2x00dev, 59, 0x3F); else if (rf->channel >= 140) rt2800_rfcsr_write(rt2x00dev, 59, 0x7C); if (rf->channel <= 116) rt2800_rfcsr_write(rt2x00dev, 62, 0x1D); else if (rf->channel >= 118) rt2800_rfcsr_write(rt2x00dev, 62, 0x15); } power_bound = POWER_BOUND_5G; ep_reg = 0x3; } rfcsr = rt2800_rfcsr_read(rt2x00dev, 49); if (info->default_power1 > power_bound) rt2x00_set_field8(&rfcsr, RFCSR49_TX, power_bound); else rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1); if (is_type_ep) rt2x00_set_field8(&rfcsr, RFCSR49_EP, ep_reg); rt2800_rfcsr_write(rt2x00dev, 49, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 50); if (info->default_power2 > power_bound) rt2x00_set_field8(&rfcsr, RFCSR50_TX, power_bound); else rt2x00_set_field8(&rfcsr, RFCSR50_TX, info->default_power2); if (is_type_ep) rt2x00_set_field8(&rfcsr, RFCSR50_EP, ep_reg); rt2800_rfcsr_write(rt2x00dev, 50, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, rt2x00dev->default_ant.tx_chain_num >= 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, rt2x00dev->default_ant.tx_chain_num == 2); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, rt2x00dev->default_ant.rx_chain_num >= 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, rt2x00dev->default_ant.rx_chain_num == 2); rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rt2800_rfcsr_write(rt2x00dev, 6, 0xe4); if (conf_is_ht40(conf)) rt2800_rfcsr_write(rt2x00dev, 30, 0x16); else rt2800_rfcsr_write(rt2x00dev, 30, 0x10); if (!is_11b) { rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x80); } /* TODO proper frequency adjustment */ rt2800_freq_cal_mode1(rt2x00dev); /* TODO merge with others */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 3); rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); /* BBP settings */ rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 79, (rf->channel <= 14) ? 0x1C : 0x18); rt2800_bbp_write(rt2x00dev, 80, (rf->channel <= 14) ? 0x0E : 0x08); rt2800_bbp_write(rt2x00dev, 81, (rf->channel <= 14) ? 0x3A : 0x38); rt2800_bbp_write(rt2x00dev, 82, (rf->channel <= 14) ? 0x62 : 0x92); /* GLRT band configuration */ rt2800_bbp_write(rt2x00dev, 195, 128); rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0xE0 : 0xF0); rt2800_bbp_write(rt2x00dev, 195, 129); rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x1F : 0x1E); rt2800_bbp_write(rt2x00dev, 195, 130); rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x38 : 0x28); rt2800_bbp_write(rt2x00dev, 195, 131); rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x32 : 0x20); rt2800_bbp_write(rt2x00dev, 195, 133); rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x28 : 0x7F); rt2800_bbp_write(rt2x00dev, 195, 124); rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x19 : 0x7F); } static void rt2800_config_channel_rf7620(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 rx_agc_fc, tx_agc_fc; u8 rfcsr; /* Frequeny plan setting */ /* Rdiv setting (set 0x03 if Xtal==20) * R13[1:0] */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 13); rt2x00_set_field8(&rfcsr, RFCSR13_RDIV_MT7620, rt2800_clk_is_20mhz(rt2x00dev) ? 3 : 0); rt2800_rfcsr_write(rt2x00dev, 13, rfcsr); /* N setting * R20[7:0] in rf->rf1 * R21[0] always 0 */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 20); rfcsr = (rf->rf1 & 0x00ff); rt2800_rfcsr_write(rt2x00dev, 20, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 21); rt2x00_set_field8(&rfcsr, RFCSR21_BIT1, 0); rt2800_rfcsr_write(rt2x00dev, 21, rfcsr); /* K setting (always 0) * R16[3:0] (RF PLL freq selection) */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 16); rt2x00_set_field8(&rfcsr, RFCSR16_RF_PLL_FREQ_SEL_MT7620, 0); rt2800_rfcsr_write(rt2x00dev, 16, rfcsr); /* D setting (always 0) * R22[2:0] (D=15, R22[2:0]=<111>) */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 22); rt2x00_set_field8(&rfcsr, RFCSR22_FREQPLAN_D_MT7620, 0); rt2800_rfcsr_write(rt2x00dev, 22, rfcsr); /* Ksd setting * Ksd: R17<7:0> in rf->rf2 * R18<7:0> in rf->rf3 * R19<1:0> in rf->rf4 */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 17); rfcsr = rf->rf2; rt2800_rfcsr_write(rt2x00dev, 17, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 18); rfcsr = rf->rf3; rt2800_rfcsr_write(rt2x00dev, 18, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 19); rt2x00_set_field8(&rfcsr, RFCSR19_K, rf->rf4); rt2800_rfcsr_write(rt2x00dev, 19, rfcsr); /* Default: XO=20MHz , SDM mode */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 16); rt2x00_set_field8(&rfcsr, RFCSR16_SDM_MODE_MT7620, 0x80); rt2800_rfcsr_write(rt2x00dev, 16, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 21); rt2x00_set_field8(&rfcsr, RFCSR21_BIT8, 1); rt2800_rfcsr_write(rt2x00dev, 21, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_EN_MT7620, rt2x00dev->default_ant.tx_chain_num != 1); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 2); rt2x00_set_field8(&rfcsr, RFCSR2_TX2_EN_MT7620, rt2x00dev->default_ant.tx_chain_num != 1); rt2x00_set_field8(&rfcsr, RFCSR2_RX2_EN_MT7620, rt2x00dev->default_ant.rx_chain_num != 1); rt2800_rfcsr_write(rt2x00dev, 2, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 42); rt2x00_set_field8(&rfcsr, RFCSR42_TX2_EN_MT7620, rt2x00dev->default_ant.tx_chain_num != 1); rt2800_rfcsr_write(rt2x00dev, 42, rfcsr); /* RF for DC Cal BW */ if (conf_is_ht40(conf)) { rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x10); rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x10); rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x04); rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x10); rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x10); } else { rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x20); } if (conf_is_ht40(conf)) { rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x08); rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x08); } else { rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x28); rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x28); } rfcsr = rt2800_rfcsr_read(rt2x00dev, 28); rt2x00_set_field8(&rfcsr, RFCSR28_CH11_HT40, conf_is_ht40(conf) && (rf->channel == 11)); rt2800_rfcsr_write(rt2x00dev, 28, rfcsr); if (!test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags)) { if (conf_is_ht40(conf)) { rx_agc_fc = drv_data->rx_calibration_bw40; tx_agc_fc = drv_data->tx_calibration_bw40; } else { rx_agc_fc = drv_data->rx_calibration_bw20; tx_agc_fc = drv_data->tx_calibration_bw20; } rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6); rfcsr &= (~0x3F); rfcsr |= rx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, rfcsr); rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7); rfcsr &= (~0x3F); rfcsr |= rx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, rfcsr); rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 6); rfcsr &= (~0x3F); rfcsr |= rx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 7, 6, rfcsr); rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 7); rfcsr &= (~0x3F); rfcsr |= rx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 7, 7, rfcsr); rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58); rfcsr &= (~0x3F); rfcsr |= tx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, rfcsr); rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59); rfcsr &= (~0x3F); rfcsr |= tx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, rfcsr); rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 58); rfcsr &= (~0x3F); rfcsr |= tx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 7, 58, rfcsr); rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 59); rfcsr &= (~0x3F); rfcsr |= tx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 7, 59, rfcsr); } } static void rt2800_config_alc_rt6352(struct rt2x00_dev *rt2x00dev, struct ieee80211_channel *chan, int power_level) { int cur_channel = rt2x00dev->rf_channel; u16 eeprom, chan_power, rate_power, target_power; u16 tx_power[2]; s8 *power_group[2]; u32 mac_sys_ctrl; u32 cnt, reg; u8 bbp; if (WARN_ON(cur_channel < 1 || cur_channel > 14)) return; /* get per chain power, 2 chains in total, unit is 0.5dBm */ power_level = (power_level - 3) * 2; /* We can't get the accurate TX power. Based on some tests, the real * TX power is approximately equal to channel_power + (max)rate_power. * Usually max rate_power is the gain of the OFDM 6M rate. The antenna * gain and externel PA gain are not included as we are unable to * obtain these values. */ rate_power = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, 1); rate_power &= 0x3f; power_level -= rate_power; if (power_level < 1) power_level = 1; power_group[0] = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1); power_group[1] = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2); for (cnt = 0; cnt < 2; cnt++) { chan_power = power_group[cnt][cur_channel - 1]; if (chan_power >= 0x20 || chan_power == 0) chan_power = 0x10; tx_power[cnt] = power_level < chan_power ? power_level : chan_power; } reg = rt2800_register_read(rt2x00dev, TX_ALC_CFG_0); rt2x00_set_field32(®, TX_ALC_CFG_0_CH_INIT_0, tx_power[0]); rt2x00_set_field32(®, TX_ALC_CFG_0_CH_INIT_1, tx_power[1]); rt2x00_set_field32(®, TX_ALC_CFG_0_LIMIT_0, 0x2f); rt2x00_set_field32(®, TX_ALC_CFG_0_LIMIT_1, 0x2f); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_INTERNAL_TX_ALC)) { /* init base power by eeprom target power */ target_power = rt2800_eeprom_read(rt2x00dev, EEPROM_TXPOWER_INIT); rt2x00_set_field32(®, TX_ALC_CFG_0_CH_INIT_0, target_power); rt2x00_set_field32(®, TX_ALC_CFG_0_CH_INIT_1, target_power); } rt2800_register_write(rt2x00dev, TX_ALC_CFG_0, reg); reg = rt2800_register_read(rt2x00dev, TX_ALC_CFG_1); rt2x00_set_field32(®, TX_ALC_CFG_1_TX_TEMP_COMP, 0); rt2800_register_write(rt2x00dev, TX_ALC_CFG_1, reg); /* Save MAC SYS CTRL registers */ mac_sys_ctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); /* Disable Tx/Rx */ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0); /* Check MAC Tx/Rx idle */ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY))) rt2x00_warn(rt2x00dev, "RF busy while configuring ALC\n"); if (chan->center_freq > 2457) { bbp = rt2800_bbp_read(rt2x00dev, 30); bbp = 0x40; rt2800_bbp_write(rt2x00dev, 30, bbp); rt2800_rfcsr_write(rt2x00dev, 39, 0); if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) rt2800_rfcsr_write(rt2x00dev, 42, 0xfb); else rt2800_rfcsr_write(rt2x00dev, 42, 0x7b); } else { bbp = rt2800_bbp_read(rt2x00dev, 30); bbp = 0x1f; rt2800_bbp_write(rt2x00dev, 30, bbp); rt2800_rfcsr_write(rt2x00dev, 39, 0x80); if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) rt2800_rfcsr_write(rt2x00dev, 42, 0xdb); else rt2800_rfcsr_write(rt2x00dev, 42, 0x5b); } rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, mac_sys_ctrl); rt2800_vco_calibration(rt2x00dev); } static void rt2800_bbp_write_with_rx_chain(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u8 value) { u8 chain, reg; for (chain = 0; chain < rt2x00dev->default_ant.rx_chain_num; chain++) { reg = rt2800_bbp_read(rt2x00dev, 27); rt2x00_set_field8(®, BBP27_RX_CHAIN_SEL, chain); rt2800_bbp_write(rt2x00dev, 27, reg); rt2800_bbp_write(rt2x00dev, word, value); } } static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel) { u8 cal; /* TX0 IQ Gain */ rt2800_bbp_write(rt2x00dev, 158, 0x2c); if (channel <= 14) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_2G); else if (channel >= 36 && channel <= 64) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_CH36_TO_CH64_5G); else if (channel >= 100 && channel <= 138) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_CH100_TO_CH138_5G); else if (channel >= 140 && channel <= 165) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_CH140_TO_CH165_5G); else cal = 0; rt2800_bbp_write(rt2x00dev, 159, cal); /* TX0 IQ Phase */ rt2800_bbp_write(rt2x00dev, 158, 0x2d); if (channel <= 14) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_2G); else if (channel >= 36 && channel <= 64) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_CH36_TO_CH64_5G); else if (channel >= 100 && channel <= 138) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_CH100_TO_CH138_5G); else if (channel >= 140 && channel <= 165) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_CH140_TO_CH165_5G); else cal = 0; rt2800_bbp_write(rt2x00dev, 159, cal); /* TX1 IQ Gain */ rt2800_bbp_write(rt2x00dev, 158, 0x4a); if (channel <= 14) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_2G); else if (channel >= 36 && channel <= 64) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_CH36_TO_CH64_5G); else if (channel >= 100 && channel <= 138) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_CH100_TO_CH138_5G); else if (channel >= 140 && channel <= 165) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_CH140_TO_CH165_5G); else cal = 0; rt2800_bbp_write(rt2x00dev, 159, cal); /* TX1 IQ Phase */ rt2800_bbp_write(rt2x00dev, 158, 0x4b); if (channel <= 14) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_2G); else if (channel >= 36 && channel <= 64) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_CH36_TO_CH64_5G); else if (channel >= 100 && channel <= 138) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_CH100_TO_CH138_5G); else if (channel >= 140 && channel <= 165) cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_CH140_TO_CH165_5G); else cal = 0; rt2800_bbp_write(rt2x00dev, 159, cal); /* FIXME: possible RX0, RX1 callibration ? */ /* RF IQ compensation control */ rt2800_bbp_write(rt2x00dev, 158, 0x04); cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_RF_IQ_COMPENSATION_CONTROL); rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0); /* RF IQ imbalance compensation control */ rt2800_bbp_write(rt2x00dev, 158, 0x03); cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_RF_IQ_IMBALANCE_COMPENSATION_CONTROL); rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0); } static s8 rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev, unsigned int channel, s8 txpower) { if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) txpower = rt2x00_get_field8(txpower, EEPROM_TXPOWER_ALC); if (channel <= 14) return clamp_t(s8, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER); if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) return clamp_t(s8, txpower, MIN_A_TXPOWER_3593, MAX_A_TXPOWER_3593); else return clamp_t(s8, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER); } static void rt3883_bbp_adjust(struct rt2x00_dev *rt2x00dev, struct rf_channel *rf) { u8 bbp; bbp = (rf->channel > 14) ? 0x48 : 0x38; rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, bbp); rt2800_bbp_write(rt2x00dev, 69, 0x12); if (rf->channel <= 14) { rt2800_bbp_write(rt2x00dev, 70, 0x0a); } else { /* Disable CCK packet detection */ rt2800_bbp_write(rt2x00dev, 70, 0x00); } rt2800_bbp_write(rt2x00dev, 73, 0x10); if (rf->channel > 14) { rt2800_bbp_write(rt2x00dev, 62, 0x1d); rt2800_bbp_write(rt2x00dev, 63, 0x1d); rt2800_bbp_write(rt2x00dev, 64, 0x1d); } else { rt2800_bbp_write(rt2x00dev, 62, 0x2d); rt2800_bbp_write(rt2x00dev, 63, 0x2d); rt2800_bbp_write(rt2x00dev, 64, 0x2d); } } static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u32 reg; u32 tx_pin; u8 bbp, rfcsr; info->default_power1 = rt2800_txpower_to_dev(rt2x00dev, rf->channel, info->default_power1); info->default_power2 = rt2800_txpower_to_dev(rt2x00dev, rf->channel, info->default_power2); if (rt2x00dev->default_ant.tx_chain_num > 2) info->default_power3 = rt2800_txpower_to_dev(rt2x00dev, rf->channel, info->default_power3); switch (rt2x00dev->chip.rt) { case RT3883: rt3883_bbp_adjust(rt2x00dev, rf); break; } switch (rt2x00dev->chip.rf) { case RF2020: case RF3020: case RF3021: case RF3022: case RF3320: rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info); break; case RF3052: rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info); break; case RF3053: rt2800_config_channel_rf3053(rt2x00dev, conf, rf, info); break; case RF3290: rt2800_config_channel_rf3290(rt2x00dev, conf, rf, info); break; case RF3322: rt2800_config_channel_rf3322(rt2x00dev, conf, rf, info); break; case RF3853: rt2800_config_channel_rf3853(rt2x00dev, conf, rf, info); break; case RF3070: case RF5350: case RF5360: case RF5362: case RF5370: case RF5372: case RF5390: case RF5392: rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info); break; case RF5592: rt2800_config_channel_rf55xx(rt2x00dev, conf, rf, info); break; case RF7620: rt2800_config_channel_rf7620(rt2x00dev, conf, rf, info); break; default: rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info); } if (rt2x00_rf(rt2x00dev, RF3070) || rt2x00_rf(rt2x00dev, RF3290) || rt2x00_rf(rt2x00dev, RF3322) || rt2x00_rf(rt2x00dev, RF5350) || rt2x00_rf(rt2x00dev, RF5360) || rt2x00_rf(rt2x00dev, RF5362) || rt2x00_rf(rt2x00dev, RF5370) || rt2x00_rf(rt2x00dev, RF5372) || rt2x00_rf(rt2x00dev, RF5390) || rt2x00_rf(rt2x00dev, RF5392)) { rfcsr = rt2800_rfcsr_read(rt2x00dev, 30); if (rt2x00_rf(rt2x00dev, RF3322)) { rt2x00_set_field8(&rfcsr, RF3322_RFCSR30_TX_H20M, conf_is_ht40(conf)); rt2x00_set_field8(&rfcsr, RF3322_RFCSR30_RX_H20M, conf_is_ht40(conf)); } else { rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, conf_is_ht40(conf)); rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, conf_is_ht40(conf)); } rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 3); rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); } /* * Change BBP settings */ if (rt2x00_rt(rt2x00dev, RT3352)) { rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 27, 0x0); rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 27, 0x20); rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 86, 0x38); rt2800_bbp_write(rt2x00dev, 83, 0x6a); } else if (rt2x00_rt(rt2x00dev, RT3593)) { if (rf->channel > 14) { /* Disable CCK Packet detection on 5GHz */ rt2800_bbp_write(rt2x00dev, 70, 0x00); } else { rt2800_bbp_write(rt2x00dev, 70, 0x0a); } if (conf_is_ht40(conf)) rt2800_bbp_write(rt2x00dev, 105, 0x04); else rt2800_bbp_write(rt2x00dev, 105, 0x34); rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 77, 0x98); } else if (rt2x00_rt(rt2x00dev, RT3883)) { rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain); if (rt2x00dev->default_ant.rx_chain_num > 1) rt2800_bbp_write(rt2x00dev, 86, 0x46); else rt2800_bbp_write(rt2x00dev, 86, 0); } else { rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain); if (rt2x00_rt(rt2x00dev, RT6352)) rt2800_bbp_write(rt2x00dev, 86, 0x38); else rt2800_bbp_write(rt2x00dev, 86, 0); } if (rf->channel <= 14) { if (!rt2x00_rt(rt2x00dev, RT5390) && !rt2x00_rt(rt2x00dev, RT5392) && !rt2x00_rt(rt2x00dev, RT6352)) { if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) { rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 75, 0x46); } else { if (rt2x00_rt(rt2x00dev, RT3593)) rt2800_bbp_write(rt2x00dev, 82, 0x62); else rt2800_bbp_write(rt2x00dev, 82, 0x84); rt2800_bbp_write(rt2x00dev, 75, 0x50); } if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) rt2800_bbp_write(rt2x00dev, 83, 0x8a); } } else { if (rt2x00_rt(rt2x00dev, RT3572)) rt2800_bbp_write(rt2x00dev, 82, 0x94); else if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) rt2800_bbp_write(rt2x00dev, 82, 0x82); else if (!rt2x00_rt(rt2x00dev, RT6352)) rt2800_bbp_write(rt2x00dev, 82, 0xf2); if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) rt2800_bbp_write(rt2x00dev, 83, 0x9a); if (rt2x00_has_cap_external_lna_a(rt2x00dev)) rt2800_bbp_write(rt2x00dev, 75, 0x46); else rt2800_bbp_write(rt2x00dev, 75, 0x50); } reg = rt2800_register_read(rt2x00dev, TX_BAND_CFG); rt2x00_set_field32(®, TX_BAND_CFG_HT40_MINUS, conf_is_ht40_minus(conf)); rt2x00_set_field32(®, TX_BAND_CFG_A, rf->channel > 14); rt2x00_set_field32(®, TX_BAND_CFG_BG, rf->channel <= 14); rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg); if (rt2x00_rt(rt2x00dev, RT3572)) rt2800_rfcsr_write(rt2x00dev, 8, 0); if (rt2x00_rt(rt2x00dev, RT6352)) { tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFRX_EN, 1); } else { tx_pin = 0; } switch (rt2x00dev->default_ant.tx_chain_num) { case 3: /* Turn on tertiary PAs */ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN, rf->channel > 14); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN, rf->channel <= 14); fallthrough; case 2: /* Turn on secondary PAs */ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, rf->channel > 14); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, rf->channel <= 14); fallthrough; case 1: /* Turn on primary PAs */ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14); if (rt2x00_has_cap_bt_coexist(rt2x00dev)) rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1); else rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14); break; } switch (rt2x00dev->default_ant.rx_chain_num) { case 3: /* Turn on tertiary LNAs */ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN, 1); fallthrough; case 2: /* Turn on secondary LNAs */ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1); fallthrough; case 1: /* Turn on primary LNAs */ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1); break; } rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1); rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin); if (rt2x00_rt(rt2x00dev, RT3572)) { rt2800_rfcsr_write(rt2x00dev, 8, 0x80); /* AGC init */ if (rf->channel <= 14) reg = 0x1c + (2 * rt2x00dev->lna_gain); else reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3); rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg); } if (rt2x00_rt(rt2x00dev, RT3593)) { reg = rt2800_register_read(rt2x00dev, GPIO_CTRL); /* Band selection */ if (rt2x00_is_usb(rt2x00dev) || rt2x00_is_pcie(rt2x00dev)) { /* GPIO #8 controls all paths */ rt2x00_set_field32(®, GPIO_CTRL_DIR8, 0); if (rf->channel <= 14) rt2x00_set_field32(®, GPIO_CTRL_VAL8, 1); else rt2x00_set_field32(®, GPIO_CTRL_VAL8, 0); } /* LNA PE control. */ if (rt2x00_is_usb(rt2x00dev)) { /* GPIO #4 controls PE0 and PE1, * GPIO #7 controls PE2 */ rt2x00_set_field32(®, GPIO_CTRL_DIR4, 0); rt2x00_set_field32(®, GPIO_CTRL_DIR7, 0); rt2x00_set_field32(®, GPIO_CTRL_VAL4, 1); rt2x00_set_field32(®, GPIO_CTRL_VAL7, 1); } else if (rt2x00_is_pcie(rt2x00dev)) { /* GPIO #4 controls PE0, PE1 and PE2 */ rt2x00_set_field32(®, GPIO_CTRL_DIR4, 0); rt2x00_set_field32(®, GPIO_CTRL_VAL4, 1); } rt2800_register_write(rt2x00dev, GPIO_CTRL, reg); /* AGC init */ if (rf->channel <= 14) reg = 0x1c + 2 * rt2x00dev->lna_gain; else reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3); rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg); usleep_range(1000, 1500); } if (rt2x00_rt(rt2x00dev, RT3883)) { if (!conf_is_ht40(conf)) rt2800_bbp_write(rt2x00dev, 105, 0x34); else rt2800_bbp_write(rt2x00dev, 105, 0x04); /* AGC init */ if (rf->channel <= 14) reg = 0x2e + rt2x00dev->lna_gain; else reg = 0x20 + ((rt2x00dev->lna_gain * 5) / 3); rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg); usleep_range(1000, 1500); } if (rt2x00_rt(rt2x00dev, RT5592)) { bbp = conf_is_ht40(conf) ? 0x10 : 0x1a; rt2800_bbp_glrt_write(rt2x00dev, 141, bbp); bbp = (rf->channel <= 14 ? 0x1c : 0x24) + 2 * rt2x00dev->lna_gain; rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, bbp); rt2800_iq_calibrate(rt2x00dev, rf->channel); } if (rt2x00_rt(rt2x00dev, RT6352)) { /* BBP for GLRT BW */ bbp = conf_is_ht40(conf) ? 0x10 : rt2x00_has_cap_external_lna_bg(rt2x00dev) ? 0x15 : 0x1a; rt2800_bbp_glrt_write(rt2x00dev, 141, bbp); bbp = conf_is_ht40(conf) ? 0x2f : 0x40; rt2800_bbp_glrt_write(rt2x00dev, 157, bbp); if (rt2x00dev->default_ant.rx_chain_num == 1) { rt2800_bbp_write(rt2x00dev, 91, 0x07); rt2800_bbp_write(rt2x00dev, 95, 0x1a); rt2800_bbp_glrt_write(rt2x00dev, 128, 0xa0); rt2800_bbp_glrt_write(rt2x00dev, 170, 0x12); rt2800_bbp_glrt_write(rt2x00dev, 171, 0x10); } else { rt2800_bbp_write(rt2x00dev, 91, 0x06); rt2800_bbp_write(rt2x00dev, 95, 0x9a); rt2800_bbp_glrt_write(rt2x00dev, 128, 0xe0); rt2800_bbp_glrt_write(rt2x00dev, 170, 0x30); rt2800_bbp_glrt_write(rt2x00dev, 171, 0x30); } /* AGC init */ bbp = rf->channel <= 14 ? 0x04 + 2 * rt2x00dev->lna_gain : 0; rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, bbp); usleep_range(1000, 1500); } bbp = rt2800_bbp_read(rt2x00dev, 4); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf)); rt2800_bbp_write(rt2x00dev, 4, bbp); bbp = rt2800_bbp_read(rt2x00dev, 3); rt2x00_set_field8(&bbp, BBP3_HT40_MINUS, conf_is_ht40_minus(conf)); rt2800_bbp_write(rt2x00dev, 3, bbp); if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) { if (conf_is_ht40(conf)) { rt2800_bbp_write(rt2x00dev, 69, 0x1a); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 73, 0x16); } else { rt2800_bbp_write(rt2x00dev, 69, 0x16); rt2800_bbp_write(rt2x00dev, 70, 0x08); rt2800_bbp_write(rt2x00dev, 73, 0x11); } } usleep_range(1000, 1500); /* * Clear channel statistic counters */ reg = rt2800_register_read(rt2x00dev, CH_IDLE_STA); reg = rt2800_register_read(rt2x00dev, CH_BUSY_STA); reg = rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC); /* * Clear update flag */ if (rt2x00_rt(rt2x00dev, RT3352) || rt2x00_rt(rt2x00dev, RT5350)) { bbp = rt2800_bbp_read(rt2x00dev, 49); rt2x00_set_field8(&bbp, BBP49_UPDATE_FLAG, 0); rt2800_bbp_write(rt2x00dev, 49, bbp); } } static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev) { u8 tssi_bounds[9]; u8 current_tssi; u16 eeprom; u8 step; int i; /* * First check if temperature compensation is supported. */ eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (!rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC)) return 0; /* * Read TSSI boundaries for temperature compensation from * the EEPROM. * * Array idx 0 1 2 3 4 5 6 7 8 * Matching Delta value -4 -3 -2 -1 0 +1 +2 +3 +4 * Example TSSI bounds 0xF0 0xD0 0xB5 0xA0 0x88 0x45 0x25 0x15 0x00 */ if (rt2x00dev->curr_band == NL80211_BAND_2GHZ) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG1); tssi_bounds[0] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG1_MINUS4); tssi_bounds[1] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG1_MINUS3); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG2); tssi_bounds[2] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG2_MINUS2); tssi_bounds[3] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG2_MINUS1); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG3); tssi_bounds[4] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG3_REF); tssi_bounds[5] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG3_PLUS1); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG4); tssi_bounds[6] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG4_PLUS2); tssi_bounds[7] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG4_PLUS3); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG5); tssi_bounds[8] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG5_PLUS4); step = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG5_AGC_STEP); } else { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A1); tssi_bounds[0] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A1_MINUS4); tssi_bounds[1] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A1_MINUS3); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A2); tssi_bounds[2] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A2_MINUS2); tssi_bounds[3] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A2_MINUS1); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A3); tssi_bounds[4] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A3_REF); tssi_bounds[5] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A3_PLUS1); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A4); tssi_bounds[6] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A4_PLUS2); tssi_bounds[7] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A4_PLUS3); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A5); tssi_bounds[8] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A5_PLUS4); step = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A5_AGC_STEP); } /* * Check if temperature compensation is supported. */ if (tssi_bounds[4] == 0xff || step == 0xff) return 0; /* * Read current TSSI (BBP 49). */ current_tssi = rt2800_bbp_read(rt2x00dev, 49); /* * Compare TSSI value (BBP49) with the compensation boundaries * from the EEPROM and increase or decrease tx power. */ for (i = 0; i <= 3; i++) { if (current_tssi > tssi_bounds[i]) break; } if (i == 4) { for (i = 8; i >= 5; i--) { if (current_tssi < tssi_bounds[i]) break; } } return (i - 4) * step; } static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev, enum nl80211_band band) { u16 eeprom; u8 comp_en; u8 comp_type; int comp_value = 0; eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA); /* * HT40 compensation not required. */ if (eeprom == 0xffff || !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) return 0; if (band == NL80211_BAND_2GHZ) { comp_en = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_ENABLE_2G); if (comp_en) { comp_type = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_TYPE_2G); comp_value = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_VALUE_2G); if (!comp_type) comp_value = -comp_value; } } else { comp_en = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_ENABLE_5G); if (comp_en) { comp_type = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_TYPE_5G); comp_value = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_VALUE_5G); if (!comp_type) comp_value = -comp_value; } } return comp_value; } static int rt2800_get_txpower_reg_delta(struct rt2x00_dev *rt2x00dev, int power_level, int max_power) { int delta; if (rt2x00_has_cap_power_limit(rt2x00dev)) return 0; /* * XXX: We don't know the maximum transmit power of our hardware since * the EEPROM doesn't expose it. We only know that we are calibrated * to 100% tx power. * * Hence, we assume the regulatory limit that cfg80211 calulated for * the current channel is our maximum and if we are requested to lower * the value we just reduce our tx power accordingly. */ delta = power_level - max_power; return min(delta, 0); } static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b, enum nl80211_band band, int power_level, u8 txpower, int delta) { u16 eeprom; u8 criterion; u8 eirp_txpower; u8 eirp_txpower_criterion; u8 reg_limit; if (rt2x00_rt(rt2x00dev, RT3593)) return min_t(u8, txpower, 0xc); if (rt2x00_rt(rt2x00dev, RT3883)) return min_t(u8, txpower, 0xf); if (rt2x00_has_cap_power_limit(rt2x00dev)) { /* * Check if eirp txpower exceed txpower_limit. * We use OFDM 6M as criterion and its eirp txpower * is stored at EEPROM_EIRP_MAX_TX_POWER. * .11b data rate need add additional 4dbm * when calculating eirp txpower. */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, 1); criterion = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER); if (band == NL80211_BAND_2GHZ) eirp_txpower_criterion = rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ); else eirp_txpower_criterion = rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_5GHZ); eirp_txpower = eirp_txpower_criterion + (txpower - criterion) + (is_rate_b ? 4 : 0) + delta; reg_limit = (eirp_txpower > power_level) ? (eirp_txpower - power_level) : 0; } else reg_limit = 0; txpower = max(0, txpower + delta - reg_limit); return min_t(u8, txpower, 0xc); } enum { TX_PWR_CFG_0_IDX, TX_PWR_CFG_1_IDX, TX_PWR_CFG_2_IDX, TX_PWR_CFG_3_IDX, TX_PWR_CFG_4_IDX, TX_PWR_CFG_5_IDX, TX_PWR_CFG_6_IDX, TX_PWR_CFG_7_IDX, TX_PWR_CFG_8_IDX, TX_PWR_CFG_9_IDX, TX_PWR_CFG_0_EXT_IDX, TX_PWR_CFG_1_EXT_IDX, TX_PWR_CFG_2_EXT_IDX, TX_PWR_CFG_3_EXT_IDX, TX_PWR_CFG_4_EXT_IDX, TX_PWR_CFG_IDX_COUNT, }; static void rt2800_config_txpower_rt3593(struct rt2x00_dev *rt2x00dev, struct ieee80211_channel *chan, int power_level) { u8 txpower; u16 eeprom; u32 regs[TX_PWR_CFG_IDX_COUNT]; unsigned int offset; enum nl80211_band band = chan->band; int delta; int i; memset(regs, '\0', sizeof(regs)); /* TODO: adapt TX power reduction from the rt28xx code */ /* calculate temperature compensation delta */ delta = rt2800_get_gain_calibration_delta(rt2x00dev); if (band == NL80211_BAND_5GHZ) offset = 16; else offset = 0; if (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) offset += 8; /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset); /* CCK 1MBS,2MBS */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 1, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_CCK1_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_CCK1_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_EXT_IDX], TX_PWR_CFG_0_EXT_CCK1_CH2, txpower); /* CCK 5.5MBS,11MBS */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, 1, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_CCK5_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_CCK5_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_EXT_IDX], TX_PWR_CFG_0_EXT_CCK5_CH2, txpower); /* OFDM 6MBS,9MBS */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_OFDM6_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_OFDM6_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_EXT_IDX], TX_PWR_CFG_0_EXT_OFDM6_CH2, txpower); /* OFDM 12MBS,18MBS */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_OFDM12_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_IDX], TX_PWR_CFG_0_OFDM12_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_0_EXT_IDX], TX_PWR_CFG_0_EXT_OFDM12_CH2, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset + 1); /* OFDM 24MBS,36MBS */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_OFDM24_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_OFDM24_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_EXT_IDX], TX_PWR_CFG_1_EXT_OFDM24_CH2, txpower); /* OFDM 48MBS */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_OFDM48_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_OFDM48_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_EXT_IDX], TX_PWR_CFG_1_EXT_OFDM48_CH2, txpower); /* OFDM 54MBS */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX], TX_PWR_CFG_7_OFDM54_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX], TX_PWR_CFG_7_OFDM54_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX], TX_PWR_CFG_7_OFDM54_CH2, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset + 2); /* MCS 0,1 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_MCS0_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_MCS0_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_EXT_IDX], TX_PWR_CFG_1_EXT_MCS0_CH2, txpower); /* MCS 2,3 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_MCS2_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_IDX], TX_PWR_CFG_1_MCS2_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_1_EXT_IDX], TX_PWR_CFG_1_EXT_MCS2_CH2, txpower); /* MCS 4,5 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS4_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS4_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_EXT_IDX], TX_PWR_CFG_2_EXT_MCS4_CH2, txpower); /* MCS 6 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS6_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS6_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_EXT_IDX], TX_PWR_CFG_2_EXT_MCS6_CH2, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset + 3); /* MCS 7 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX], TX_PWR_CFG_7_MCS7_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX], TX_PWR_CFG_7_MCS7_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_7_IDX], TX_PWR_CFG_7_MCS7_CH2, txpower); /* MCS 8,9 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS8_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS8_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_EXT_IDX], TX_PWR_CFG_2_EXT_MCS8_CH2, txpower); /* MCS 10,11 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS10_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_IDX], TX_PWR_CFG_2_MCS10_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_2_EXT_IDX], TX_PWR_CFG_2_EXT_MCS10_CH2, txpower); /* MCS 12,13 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_MCS12_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_MCS12_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_EXT_IDX], TX_PWR_CFG_3_EXT_MCS12_CH2, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset + 4); /* MCS 14 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_MCS14_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_MCS14_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_EXT_IDX], TX_PWR_CFG_3_EXT_MCS14_CH2, txpower); /* MCS 15 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX], TX_PWR_CFG_8_MCS15_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX], TX_PWR_CFG_8_MCS15_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX], TX_PWR_CFG_8_MCS15_CH2, txpower); /* MCS 16,17 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX], TX_PWR_CFG_5_MCS16_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX], TX_PWR_CFG_5_MCS16_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX], TX_PWR_CFG_5_MCS16_CH2, txpower); /* MCS 18,19 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX], TX_PWR_CFG_5_MCS18_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX], TX_PWR_CFG_5_MCS18_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_5_IDX], TX_PWR_CFG_5_MCS18_CH2, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset + 5); /* MCS 20,21 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX], TX_PWR_CFG_6_MCS20_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX], TX_PWR_CFG_6_MCS20_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX], TX_PWR_CFG_6_MCS20_CH2, txpower); /* MCS 22 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX], TX_PWR_CFG_6_MCS22_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX], TX_PWR_CFG_6_MCS22_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_6_IDX], TX_PWR_CFG_6_MCS22_CH2, txpower); /* MCS 23 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX], TX_PWR_CFG_8_MCS23_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX], TX_PWR_CFG_8_MCS23_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_8_IDX], TX_PWR_CFG_8_MCS23_CH2, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset + 6); /* STBC, MCS 0,1 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_STBC0_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_STBC0_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_EXT_IDX], TX_PWR_CFG_3_EXT_STBC0_CH2, txpower); /* STBC, MCS 2,3 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_STBC2_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_IDX], TX_PWR_CFG_3_STBC2_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_3_EXT_IDX], TX_PWR_CFG_3_EXT_STBC2_CH2, txpower); /* STBC, MCS 4,5 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_4_EXT_IDX], TX_PWR_CFG_RATE0, txpower); /* STBC, MCS 6 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE2, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE3, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_4_EXT_IDX], TX_PWR_CFG_RATE2, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, offset + 7); /* STBC, MCS 7 */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level, txpower, delta); rt2x00_set_field32(®s[TX_PWR_CFG_9_IDX], TX_PWR_CFG_9_STBC7_CH0, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_9_IDX], TX_PWR_CFG_9_STBC7_CH1, txpower); rt2x00_set_field32(®s[TX_PWR_CFG_9_IDX], TX_PWR_CFG_9_STBC7_CH2, txpower); rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, regs[TX_PWR_CFG_0_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, regs[TX_PWR_CFG_1_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, regs[TX_PWR_CFG_2_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, regs[TX_PWR_CFG_3_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, regs[TX_PWR_CFG_4_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_5, regs[TX_PWR_CFG_5_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_6, regs[TX_PWR_CFG_6_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_7, regs[TX_PWR_CFG_7_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_8, regs[TX_PWR_CFG_8_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_9, regs[TX_PWR_CFG_9_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_0_EXT, regs[TX_PWR_CFG_0_EXT_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_1_EXT, regs[TX_PWR_CFG_1_EXT_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_2_EXT, regs[TX_PWR_CFG_2_EXT_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_3_EXT, regs[TX_PWR_CFG_3_EXT_IDX]); rt2800_register_write(rt2x00dev, TX_PWR_CFG_4_EXT, regs[TX_PWR_CFG_4_EXT_IDX]); for (i = 0; i < TX_PWR_CFG_IDX_COUNT; i++) rt2x00_dbg(rt2x00dev, "band:%cGHz, BW:%c0MHz, TX_PWR_CFG_%d%s = %08lx\n", (band == NL80211_BAND_5GHZ) ? '5' : '2', (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) ? '4' : '2', (i > TX_PWR_CFG_9_IDX) ? (i - TX_PWR_CFG_9_IDX - 1) : i, (i > TX_PWR_CFG_9_IDX) ? "_EXT" : "", (unsigned long) regs[i]); } static void rt2800_config_txpower_rt6352(struct rt2x00_dev *rt2x00dev, struct ieee80211_channel *chan, int power_level) { u32 reg, pwreg; u16 eeprom; u32 data, gdata; u8 t, i; enum nl80211_band band = chan->band; int delta; /* Warn user if bw_comp is set in EEPROM */ delta = rt2800_get_txpower_bw_comp(rt2x00dev, band); if (delta) rt2x00_warn(rt2x00dev, "ignoring EEPROM HT40 power delta: %d\n", delta); /* populate TX_PWR_CFG_0 up to TX_PWR_CFG_4 from EEPROM for HT20, limit * value to 0x3f and replace 0x20 by 0x21 as this is what the vendor * driver does as well, though it looks kinda wrong. * Maybe some misunderstanding of what a signed 8-bit value is? Maybe * the hardware has a problem handling 0x20, and as the code initially * used a fixed offset between HT20 and HT40 rates they had to work- * around that issue and most likely just forgot about it later on. * Maybe we should use rt2800_get_txpower_bw_comp() here as well, * however, the corresponding EEPROM value is not respected by the * vendor driver, so maybe this is rather being taken care of the * TXALC and the driver doesn't need to handle it...? * Though this is all very awkward, just do as they did, as that's what * board vendors expected when they populated the EEPROM... */ for (i = 0; i < 5; i++) { eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, i * 2); data = eeprom; t = eeprom & 0x3f; if (t == 32) t++; gdata = t; t = (eeprom & 0x3f00) >> 8; if (t == 32) t++; gdata |= (t << 8); eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, (i * 2) + 1); t = eeprom & 0x3f; if (t == 32) t++; gdata |= (t << 16); t = (eeprom & 0x3f00) >> 8; if (t == 32) t++; gdata |= (t << 24); data |= (eeprom << 16); if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) { /* HT20 */ if (data != 0xffffffff) rt2800_register_write(rt2x00dev, TX_PWR_CFG_0 + (i * 4), data); } else { /* HT40 */ if (gdata != 0xffffffff) rt2800_register_write(rt2x00dev, TX_PWR_CFG_0 + (i * 4), gdata); } } /* Aparently Ralink ran out of space in the BYRATE calibration section * of the EERPOM which is copied to the corresponding TX_PWR_CFG_x * registers. As recent 2T chips use 8-bit instead of 4-bit values for * power-offsets more space would be needed. Ralink decided to keep the * EEPROM layout untouched and rather have some shared values covering * multiple bitrates. * Populate the registers not covered by the EEPROM in the same way the * vendor driver does. */ /* For OFDM 54MBS use value from OFDM 48MBS */ pwreg = 0; reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_1); t = rt2x00_get_field32(reg, TX_PWR_CFG_1B_48MBS); rt2x00_set_field32(&pwreg, TX_PWR_CFG_7B_54MBS, t); /* For MCS 7 use value from MCS 6 */ reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_2); t = rt2x00_get_field32(reg, TX_PWR_CFG_2B_MCS6_MCS7); rt2x00_set_field32(&pwreg, TX_PWR_CFG_7B_MCS7, t); rt2800_register_write(rt2x00dev, TX_PWR_CFG_7, pwreg); /* For MCS 15 use value from MCS 14 */ pwreg = 0; reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_3); t = rt2x00_get_field32(reg, TX_PWR_CFG_3B_MCS14); rt2x00_set_field32(&pwreg, TX_PWR_CFG_8B_MCS15, t); rt2800_register_write(rt2x00dev, TX_PWR_CFG_8, pwreg); /* For STBC MCS 7 use value from STBC MCS 6 */ pwreg = 0; reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_4); t = rt2x00_get_field32(reg, TX_PWR_CFG_4B_STBC_MCS6); rt2x00_set_field32(&pwreg, TX_PWR_CFG_9B_STBC_MCS7, t); rt2800_register_write(rt2x00dev, TX_PWR_CFG_9, pwreg); rt2800_config_alc_rt6352(rt2x00dev, chan, power_level); /* TODO: temperature compensation code! */ } /* * We configure transmit power using MAC TX_PWR_CFG_{0,...,N} registers and * BBP R1 register. TX_PWR_CFG_X allow to configure per rate TX power values, * 4 bits for each rate (tune from 0 to 15 dBm). BBP_R1 controls transmit power * for all rates, but allow to set only 4 discrete values: -12, -6, 0 and 6 dBm. * Reference per rate transmit power values are located in the EEPROM at * EEPROM_TXPOWER_BYRATE offset. We adjust them and BBP R1 settings according to * current conditions (i.e. band, bandwidth, temperature, user settings). */ static void rt2800_config_txpower_rt28xx(struct rt2x00_dev *rt2x00dev, struct ieee80211_channel *chan, int power_level) { u8 txpower, r1; u16 eeprom; u32 reg, offset; int i, is_rate_b, delta, power_ctrl; enum nl80211_band band = chan->band; /* * Calculate HT40 compensation. For 40MHz we need to add or subtract * value read from EEPROM (different for 2GHz and for 5GHz). */ delta = rt2800_get_txpower_bw_comp(rt2x00dev, band); /* * Calculate temperature compensation. Depends on measurement of current * TSSI (Transmitter Signal Strength Indication) we know TX power (due * to temperature or maybe other factors) is smaller or bigger than * expected. We adjust it, based on TSSI reference and boundaries values * provided in EEPROM. */ switch (rt2x00dev->chip.rt) { case RT2860: case RT2872: case RT2883: case RT3070: case RT3071: case RT3090: case RT3572: delta += rt2800_get_gain_calibration_delta(rt2x00dev); break; default: /* TODO: temperature compensation code for other chips. */ break; } /* * Decrease power according to user settings, on devices with unknown * maximum tx power. For other devices we take user power_level into * consideration on rt2800_compensate_txpower(). */ delta += rt2800_get_txpower_reg_delta(rt2x00dev, power_level, chan->max_power); /* * BBP_R1 controls TX power for all rates, it allow to set the following * gains -12, -6, 0, +6 dBm by setting values 2, 1, 0, 3 respectively. * * TODO: we do not use +6 dBm option to do not increase power beyond * regulatory limit, however this could be utilized for devices with * CAPABILITY_POWER_LIMIT. */ if (delta <= -12) { power_ctrl = 2; delta += 12; } else if (delta <= -6) { power_ctrl = 1; delta += 6; } else { power_ctrl = 0; } r1 = rt2800_bbp_read(rt2x00dev, 1); rt2x00_set_field8(&r1, BBP1_TX_POWER_CTRL, power_ctrl); rt2800_bbp_write(rt2x00dev, 1, r1); offset = TX_PWR_CFG_0; for (i = 0; i < EEPROM_TXPOWER_BYRATE_SIZE; i += 2) { /* just to be safe */ if (offset > TX_PWR_CFG_4) break; reg = rt2800_register_read(rt2x00dev, offset); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, i); is_rate_b = i ? 0 : 1; /* * TX_PWR_CFG_0: 1MBS, TX_PWR_CFG_1: 24MBS, * TX_PWR_CFG_2: MCS4, TX_PWR_CFG_3: MCS12, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE0, txpower); /* * TX_PWR_CFG_0: 2MBS, TX_PWR_CFG_1: 36MBS, * TX_PWR_CFG_2: MCS5, TX_PWR_CFG_3: MCS13, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE1, txpower); /* * TX_PWR_CFG_0: 5.5MBS, TX_PWR_CFG_1: 48MBS, * TX_PWR_CFG_2: MCS6, TX_PWR_CFG_3: MCS14, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE2, txpower); /* * TX_PWR_CFG_0: 11MBS, TX_PWR_CFG_1: 54MBS, * TX_PWR_CFG_2: MCS7, TX_PWR_CFG_3: MCS15, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE3, txpower); /* read the next four txpower values */ eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE, i + 1); is_rate_b = 0; /* * TX_PWR_CFG_0: 6MBS, TX_PWR_CFG_1: MCS0, * TX_PWR_CFG_2: MCS8, TX_PWR_CFG_3: unknown, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE4, txpower); /* * TX_PWR_CFG_0: 9MBS, TX_PWR_CFG_1: MCS1, * TX_PWR_CFG_2: MCS9, TX_PWR_CFG_3: unknown, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE5, txpower); /* * TX_PWR_CFG_0: 12MBS, TX_PWR_CFG_1: MCS2, * TX_PWR_CFG_2: MCS10, TX_PWR_CFG_3: unknown, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE6, txpower); /* * TX_PWR_CFG_0: 18MBS, TX_PWR_CFG_1: MCS3, * TX_PWR_CFG_2: MCS11, TX_PWR_CFG_3: unknown, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE7, txpower); rt2800_register_write(rt2x00dev, offset, reg); /* next TX_PWR_CFG register */ offset += 4; } } static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev, struct ieee80211_channel *chan, int power_level) { if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) rt2800_config_txpower_rt3593(rt2x00dev, chan, power_level); else if (rt2x00_rt(rt2x00dev, RT6352)) rt2800_config_txpower_rt6352(rt2x00dev, chan, power_level); else rt2800_config_txpower_rt28xx(rt2x00dev, chan, power_level); } void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev) { rt2800_config_txpower(rt2x00dev, rt2x00dev->hw->conf.chandef.chan, rt2x00dev->tx_power); } EXPORT_SYMBOL_GPL(rt2800_gain_calibration); void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev) { u32 tx_pin; u8 rfcsr; unsigned long min_sleep = 0; /* * A voltage-controlled oscillator(VCO) is an electronic oscillator * designed to be controlled in oscillation frequency by a voltage * input. Maybe the temperature will affect the frequency of * oscillation to be shifted. The VCO calibration will be called * periodically to adjust the frequency to be precision. */ tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG); tx_pin &= TX_PIN_CFG_PA_PE_DISABLE; rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin); switch (rt2x00dev->chip.rf) { case RF2020: case RF3020: case RF3021: case RF3022: case RF3320: case RF3052: rfcsr = rt2800_rfcsr_read(rt2x00dev, 7); rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1); rt2800_rfcsr_write(rt2x00dev, 7, rfcsr); break; case RF3053: case RF3070: case RF3290: case RF3853: case RF5350: case RF5360: case RF5362: case RF5370: case RF5372: case RF5390: case RF5392: case RF5592: rfcsr = rt2800_rfcsr_read(rt2x00dev, 3); rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); min_sleep = 1000; break; case RF7620: rt2800_rfcsr_write(rt2x00dev, 5, 0x40); rt2800_rfcsr_write(rt2x00dev, 4, 0x0C); rfcsr = rt2800_rfcsr_read(rt2x00dev, 4); rt2x00_set_field8(&rfcsr, RFCSR4_VCOCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 4, rfcsr); min_sleep = 2000; break; default: WARN_ONCE(1, "Not supported RF chipset %x for VCO recalibration", rt2x00dev->chip.rf); return; } if (min_sleep > 0) usleep_range(min_sleep, min_sleep * 2); tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG); if (rt2x00dev->rf_channel <= 14) { switch (rt2x00dev->default_ant.tx_chain_num) { case 3: rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN, 1); fallthrough; case 2: rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1); fallthrough; case 1: default: rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1); break; } } else { switch (rt2x00dev->default_ant.tx_chain_num) { case 3: rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN, 1); fallthrough; case 2: rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1); fallthrough; case 1: default: rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1); break; } } rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin); } EXPORT_SYMBOL_GPL(rt2800_vco_calibration); static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { u32 reg; reg = rt2800_register_read(rt2x00dev, TX_RTY_CFG); rt2x00_set_field32(®, TX_RTY_CFG_SHORT_RTY_LIMIT, libconf->conf->short_frame_max_tx_count); rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_LIMIT, libconf->conf->long_frame_max_tx_count); rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg); } static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { enum dev_state state = (libconf->conf->flags & IEEE80211_CONF_PS) ? STATE_SLEEP : STATE_AWAKE; u32 reg; if (state == STATE_SLEEP) { rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0); reg = rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5); rt2x00_set_field32(®, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, libconf->conf->listen_interval - 1); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTOWAKE, 1); rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg); rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); } else { reg = rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0); rt2x00_set_field32(®, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTOWAKE, 0); rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg); rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); } } void rt2800_config(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf, const unsigned int flags) { /* Always recalculate LNA gain before changing configuration */ rt2800_config_lna_gain(rt2x00dev, libconf); if (flags & IEEE80211_CONF_CHANGE_CHANNEL) { /* * To provide correct survey data for survey-based ACS algorithm * we have to save survey data for current channel before switching. */ rt2800_update_survey(rt2x00dev); rt2800_config_channel(rt2x00dev, libconf->conf, &libconf->rf, &libconf->channel); rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan, libconf->conf->power_level); } if (flags & IEEE80211_CONF_CHANGE_POWER) rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan, libconf->conf->power_level); if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS) rt2800_config_retry_limit(rt2x00dev, libconf); if (flags & IEEE80211_CONF_CHANGE_PS) rt2800_config_ps(rt2x00dev, libconf); } EXPORT_SYMBOL_GPL(rt2800_config); /* * Link tuning */ void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { u32 reg; /* * Update FCS error count from register. */ reg = rt2800_register_read(rt2x00dev, RX_STA_CNT0); qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR); } EXPORT_SYMBOL_GPL(rt2800_link_stats); static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev) { u8 vgc; if (rt2x00dev->curr_band == NL80211_BAND_2GHZ) { if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3290) || rt2x00_rt(rt2x00dev, RT3390) || rt2x00_rt(rt2x00dev, RT3572) || rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT5390) || rt2x00_rt(rt2x00dev, RT5392) || rt2x00_rt(rt2x00dev, RT5592) || rt2x00_rt(rt2x00dev, RT6352)) vgc = 0x1c + (2 * rt2x00dev->lna_gain); else vgc = 0x2e + rt2x00dev->lna_gain; } else { /* 5GHZ band */ if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) vgc = 0x20 + (rt2x00dev->lna_gain * 5) / 3; else if (rt2x00_rt(rt2x00dev, RT5592)) vgc = 0x24 + (2 * rt2x00dev->lna_gain); else { if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) vgc = 0x32 + (rt2x00dev->lna_gain * 5) / 3; else vgc = 0x3a + (rt2x00dev->lna_gain * 5) / 3; } } return vgc; } static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, u8 vgc_level) { if (qual->vgc_level != vgc_level) { if (rt2x00_rt(rt2x00dev, RT3572) || rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883) || rt2x00_rt(rt2x00dev, RT6352)) { rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, vgc_level); } else if (rt2x00_rt(rt2x00dev, RT5592)) { rt2800_bbp_write(rt2x00dev, 83, qual->rssi > -65 ? 0x4a : 0x7a); rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, vgc_level); } else { rt2800_bbp_write(rt2x00dev, 66, vgc_level); } qual->vgc_level = vgc_level; qual->vgc_level_reg = vgc_level; } } void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev)); } EXPORT_SYMBOL_GPL(rt2800_reset_tuner); void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, const u32 count) { u8 vgc; if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) return; /* When RSSI is better than a certain threshold, increase VGC * with a chip specific value in order to improve the balance * between sensibility and noise isolation. */ vgc = rt2800_get_default_vgc(rt2x00dev); switch (rt2x00dev->chip.rt) { case RT3572: case RT3593: if (qual->rssi > -65) { if (rt2x00dev->curr_band == NL80211_BAND_2GHZ) vgc += 0x20; else vgc += 0x10; } break; case RT3883: if (qual->rssi > -65) vgc += 0x10; break; case RT5592: if (qual->rssi > -65) vgc += 0x20; break; default: if (qual->rssi > -80) vgc += 0x10; break; } rt2800_set_vgc(rt2x00dev, qual, vgc); } EXPORT_SYMBOL_GPL(rt2800_link_tuner); /* * Initialization functions. */ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u32 reg; u16 eeprom; u8 bbp; unsigned int i; int ret; rt2800_disable_wpdma(rt2x00dev); ret = rt2800_drv_init_registers(rt2x00dev); if (ret) return ret; if (rt2x00_rt(rt2x00dev, RT6352)) { rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x01); bbp = rt2800_bbp_read(rt2x00dev, 21); bbp |= 0x01; rt2800_bbp_write(rt2x00dev, 21, bbp); bbp = rt2800_bbp_read(rt2x00dev, 21); bbp &= (~0x01); rt2800_bbp_write(rt2x00dev, 21, bbp); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00); } rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f); rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, 1600); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_SYNC, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 0); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); rt2800_config_filter(rt2x00dev, FIF_ALLMULTI); reg = rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG); rt2x00_set_field32(®, BKOFF_SLOT_CFG_SLOT_TIME, 9); rt2x00_set_field32(®, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2); rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg); if (rt2x00_rt(rt2x00dev, RT3290)) { reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL); if (rt2x00_get_field32(reg, WLAN_EN) == 1) { rt2x00_set_field32(®, PCIE_APP0_CLK_REQ, 1); rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg); } reg = rt2800_register_read(rt2x00dev, CMB_CTRL); if (!(rt2x00_get_field32(reg, LDO0_EN) == 1)) { rt2x00_set_field32(®, LDO0_EN, 1); rt2x00_set_field32(®, LDO_BGSEL, 3); rt2800_register_write(rt2x00dev, CMB_CTRL, reg); } reg = rt2800_register_read(rt2x00dev, OSC_CTRL); rt2x00_set_field32(®, OSC_ROSC_EN, 1); rt2x00_set_field32(®, OSC_CAL_REQ, 1); rt2x00_set_field32(®, OSC_REF_CYCLE, 0x27); rt2800_register_write(rt2x00dev, OSC_CTRL, reg); reg = rt2800_register_read(rt2x00dev, COEX_CFG0); rt2x00_set_field32(®, COEX_CFG_ANT, 0x5e); rt2800_register_write(rt2x00dev, COEX_CFG0, reg); reg = rt2800_register_read(rt2x00dev, COEX_CFG2); rt2x00_set_field32(®, BT_COEX_CFG1, 0x00); rt2x00_set_field32(®, BT_COEX_CFG0, 0x17); rt2x00_set_field32(®, WL_COEX_CFG1, 0x93); rt2x00_set_field32(®, WL_COEX_CFG0, 0x7f); rt2800_register_write(rt2x00dev, COEX_CFG2, reg); reg = rt2800_register_read(rt2x00dev, PLL_CTRL); rt2x00_set_field32(®, PLL_CONTROL, 1); rt2800_register_write(rt2x00dev, PLL_CTRL, reg); } if (rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3290) || rt2x00_rt(rt2x00dev, RT3390)) { if (rt2x00_rt(rt2x00dev, RT3290)) rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404); else rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) || rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST)) rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c); else rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000000f); } else { rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } } else if (rt2x00_rt(rt2x00dev, RT3070)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400); if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) { rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c); } else { rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } } else if (rt2800_is_305x_soc(rt2x00dev)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030); } else if (rt2x00_rt(rt2x00dev, RT3352)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } else if (rt2x00_rt(rt2x00dev, RT3572)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); } else if (rt2x00_rt(rt2x00dev, RT3593)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); if (rt2x00_rt_rev_lt(rt2x00dev, RT3593, REV_RT3593E)) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST)) rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000001f); else rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000000f); } else { rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } } else if (rt2x00_rt(rt2x00dev, RT3883)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00040000); rt2800_register_write(rt2x00dev, TX_TXBF_CFG_0, 0x8000fc21); rt2800_register_write(rt2x00dev, TX_TXBF_CFG_3, 0x00009c40); } else if (rt2x00_rt(rt2x00dev, RT5390) || rt2x00_rt(rt2x00dev, RT5392)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } else if (rt2x00_rt(rt2x00dev, RT5592)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } else if (rt2x00_rt(rt2x00dev, RT5350)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404); } else if (rt2x00_rt(rt2x00dev, RT6352)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000401); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x000C0001); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x00000000); rt2800_register_write(rt2x00dev, TX0_BB_GAIN_ATTEN, 0x0); rt2800_register_write(rt2x00dev, TX1_BB_GAIN_ATTEN, 0x0); rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN, 0x6C6C666C); rt2800_register_write(rt2x00dev, TX1_RF_GAIN_ATTEN, 0x6C6C666C); rt2800_register_write(rt2x00dev, TX0_RF_GAIN_CORRECT, 0x3630363A); rt2800_register_write(rt2x00dev, TX1_RF_GAIN_CORRECT, 0x3630363A); reg = rt2800_register_read(rt2x00dev, TX_ALC_CFG_1); rt2x00_set_field32(®, TX_ALC_CFG_1_ROS_BUSY_EN, 0); rt2800_register_write(rt2x00dev, TX_ALC_CFG_1, reg); rt2800_register_write(rt2x00dev, AMPDU_MAX_LEN_20M1S, 0x77754433); rt2800_register_write(rt2x00dev, AMPDU_MAX_LEN_20M2S, 0x77765543); rt2800_register_write(rt2x00dev, AMPDU_MAX_LEN_40M1S, 0x77765544); rt2800_register_write(rt2x00dev, AMPDU_MAX_LEN_40M2S, 0x77765544); rt2800_register_write(rt2x00dev, HT_FBK_TO_LEGACY, 0x1010); } else { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); } reg = rt2800_register_read(rt2x00dev, TX_LINK_CFG); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32); rt2x00_set_field32(®, TX_LINK_CFG_MFB_ENABLE, 0); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0); rt2x00_set_field32(®, TX_LINK_CFG_TX_MRQ_EN, 0); rt2x00_set_field32(®, TX_LINK_CFG_TX_RDG_EN, 0); rt2x00_set_field32(®, TX_LINK_CFG_TX_CF_ACK_EN, 1); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFB, 0); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFS, 0); rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg); reg = rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG); rt2x00_set_field32(®, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9); rt2x00_set_field32(®, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32); rt2x00_set_field32(®, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10); rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg); reg = rt2800_register_read(rt2x00dev, MAX_LEN_CFG); rt2x00_set_field32(®, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE); if (rt2x00_is_usb(rt2x00dev)) { drv_data->max_psdu = 3; } else if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) || rt2x00_rt(rt2x00dev, RT2883) || rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E)) { drv_data->max_psdu = 2; } else { drv_data->max_psdu = 1; } rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, drv_data->max_psdu); rt2x00_set_field32(®, MAX_LEN_CFG_MIN_PSDU, 10); rt2x00_set_field32(®, MAX_LEN_CFG_MIN_MPDU, 10); rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg); reg = rt2800_register_read(rt2x00dev, LED_CFG); rt2x00_set_field32(®, LED_CFG_ON_PERIOD, 70); rt2x00_set_field32(®, LED_CFG_OFF_PERIOD, 30); rt2x00_set_field32(®, LED_CFG_SLOW_BLINK_PERIOD, 3); rt2x00_set_field32(®, LED_CFG_R_LED_MODE, 3); rt2x00_set_field32(®, LED_CFG_G_LED_MODE, 3); rt2x00_set_field32(®, LED_CFG_Y_LED_MODE, 3); rt2x00_set_field32(®, LED_CFG_LED_POLAR, 1); rt2800_register_write(rt2x00dev, LED_CFG, reg); rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f); reg = rt2800_register_read(rt2x00dev, TX_RTY_CFG); rt2x00_set_field32(®, TX_RTY_CFG_SHORT_RTY_LIMIT, 2); rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_LIMIT, 2); rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_THRE, 2000); rt2x00_set_field32(®, TX_RTY_CFG_NON_AGG_RTY_MODE, 0); rt2x00_set_field32(®, TX_RTY_CFG_AGG_RTY_MODE, 0); rt2x00_set_field32(®, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1); rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg); reg = rt2800_register_read(rt2x00dev, AUTO_RSP_CFG); rt2x00_set_field32(®, AUTO_RSP_CFG_AUTORESPONDER, 1); rt2x00_set_field32(®, AUTO_RSP_CFG_BAC_ACK_POLICY, 1); rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MMODE, 1); rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MREF, 0); rt2x00_set_field32(®, AUTO_RSP_CFG_AR_PREAMBLE, 0); rt2x00_set_field32(®, AUTO_RSP_CFG_DUAL_CTS_EN, 0); rt2x00_set_field32(®, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0); rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg); reg = rt2800_register_read(rt2x00dev, CCK_PROT_CFG); rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_RATE, 3); rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0); rt2x00_set_field32(®, CCK_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, OFDM_PROT_CFG); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_RATE, 3); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0); rt2x00_set_field32(®, OFDM_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, MM20_PROT_CFG); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_RATE, 0x4004); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_CTRL, 1); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 0); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0); rt2x00_set_field32(®, MM20_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, MM40_PROT_CFG); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_RATE, 0x4084); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_CTRL, 1); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 0); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1); rt2x00_set_field32(®, MM40_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, GF20_PROT_CFG); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_RATE, 0x4004); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_CTRL, 1); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 0); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0); rt2x00_set_field32(®, GF20_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, GF40_PROT_CFG); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_RATE, 0x4084); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_CTRL, 1); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 0); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1); rt2x00_set_field32(®, GF40_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg); if (rt2x00_is_usb(rt2x00dev)) { rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006); reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_BIG_ENDIAN, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_HDR_SEG_LEN, 0); rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); } /* * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1 * although it is reserved. */ reg = rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG); rt2x00_set_field32(®, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_AC_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0); rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CCA_EN, 0); rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CCA_DLY, 88); rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CWMIN, 0); rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg); reg = rt2x00_rt(rt2x00dev, RT5592) ? 0x00000082 : 0x00000002; rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, reg); if (rt2x00_rt(rt2x00dev, RT3883)) { rt2800_register_write(rt2x00dev, TX_FBK_CFG_3S_0, 0x12111008); rt2800_register_write(rt2x00dev, TX_FBK_CFG_3S_1, 0x16151413); } reg = rt2800_register_read(rt2x00dev, TX_RTS_CFG); rt2x00_set_field32(®, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 7); rt2x00_set_field32(®, TX_RTS_CFG_RTS_THRES, IEEE80211_MAX_RTS_THRESHOLD); rt2x00_set_field32(®, TX_RTS_CFG_RTS_FBK_EN, 1); rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg); rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca); /* * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS * time should be set to 16. However, the original Ralink driver uses * 16 for both and indeed using a value of 10 for CCK SIFS results in * connection problems with 11g + CTS protection. Hence, use the same * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS. */ reg = rt2800_register_read(rt2x00dev, XIFS_TIME_CFG); rt2x00_set_field32(®, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16); rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16); rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4); rt2x00_set_field32(®, XIFS_TIME_CFG_EIFS, 314); rt2x00_set_field32(®, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1); rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg); rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); /* * ASIC will keep garbage value after boot, clear encryption keys. */ for (i = 0; i < 4; i++) rt2800_register_write(rt2x00dev, SHARED_KEY_MODE_ENTRY(i), 0); for (i = 0; i < 256; i++) { rt2800_config_wcid(rt2x00dev, NULL, i); rt2800_delete_wcid_attr(rt2x00dev, i); } /* * Clear encryption initialization vectors on start, but keep them * for watchdog reset. Otherwise we will have wrong IVs and not be * able to keep connections after reset. */ if (!test_bit(DEVICE_STATE_RESET, &rt2x00dev->flags)) for (i = 0; i < 256; i++) rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0); /* * Clear all beacons */ for (i = 0; i < 8; i++) rt2800_clear_beacon_register(rt2x00dev, i); if (rt2x00_is_usb(rt2x00dev)) { reg = rt2800_register_read(rt2x00dev, US_CYC_CNT); rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, 30); rt2800_register_write(rt2x00dev, US_CYC_CNT, reg); } else if (rt2x00_is_pcie(rt2x00dev)) { reg = rt2800_register_read(rt2x00dev, US_CYC_CNT); rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, 125); rt2800_register_write(rt2x00dev, US_CYC_CNT, reg); } else if (rt2x00_is_soc(rt2x00dev)) { struct clk *clk = clk_get_sys("bus", NULL); int rate; if (IS_ERR(clk)) { clk = clk_get_sys("cpu", NULL); if (IS_ERR(clk)) { rate = 125; } else { rate = clk_get_rate(clk) / 3000000; clk_put(clk); } } else { rate = clk_get_rate(clk) / 1000000; clk_put(clk); } reg = rt2800_register_read(rt2x00dev, US_CYC_CNT); rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, rate); rt2800_register_write(rt2x00dev, US_CYC_CNT, reg); } reg = rt2800_register_read(rt2x00dev, HT_FBK_CFG0); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS0FBK, 0); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS1FBK, 0); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS2FBK, 1); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS3FBK, 2); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS4FBK, 3); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS5FBK, 4); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS6FBK, 5); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS7FBK, 6); rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg); reg = rt2800_register_read(rt2x00dev, HT_FBK_CFG1); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS8FBK, 8); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS9FBK, 8); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS10FBK, 9); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS11FBK, 10); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS12FBK, 11); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS13FBK, 12); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS14FBK, 13); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS15FBK, 14); rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg); reg = rt2800_register_read(rt2x00dev, LG_FBK_CFG0); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS0FBK, 8); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS1FBK, 8); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS2FBK, 9); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS3FBK, 10); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS4FBK, 11); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS5FBK, 12); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS6FBK, 13); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS7FBK, 14); rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg); reg = rt2800_register_read(rt2x00dev, LG_FBK_CFG1); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS0FBK, 0); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS1FBK, 0); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS2FBK, 1); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS3FBK, 2); rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg); /* * Do not force the BA window size, we use the TXWI to set it */ reg = rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE); rt2x00_set_field32(®, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0); rt2x00_set_field32(®, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0); rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg); /* * We must clear the error counters. * These registers are cleared on read, * so we may pass a useless variable to store the value. */ reg = rt2800_register_read(rt2x00dev, RX_STA_CNT0); reg = rt2800_register_read(rt2x00dev, RX_STA_CNT1); reg = rt2800_register_read(rt2x00dev, RX_STA_CNT2); reg = rt2800_register_read(rt2x00dev, TX_STA_CNT0); reg = rt2800_register_read(rt2x00dev, TX_STA_CNT1); reg = rt2800_register_read(rt2x00dev, TX_STA_CNT2); /* * Setup leadtime for pre tbtt interrupt to 6ms */ reg = rt2800_register_read(rt2x00dev, INT_TIMER_CFG); rt2x00_set_field32(®, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4); rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg); /* * Set up channel statistics timer */ reg = rt2800_register_read(rt2x00dev, CH_TIME_CFG); rt2x00_set_field32(®, CH_TIME_CFG_EIFS_BUSY, 1); rt2x00_set_field32(®, CH_TIME_CFG_NAV_BUSY, 1); rt2x00_set_field32(®, CH_TIME_CFG_RX_BUSY, 1); rt2x00_set_field32(®, CH_TIME_CFG_TX_BUSY, 1); rt2x00_set_field32(®, CH_TIME_CFG_TMR_EN, 1); rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg); return 0; } static void rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev *rt2x00dev) { u8 value; value = rt2800_bbp_read(rt2x00dev, 4); rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1); rt2800_bbp_write(rt2x00dev, 4, value); } static void rt2800_init_freq_calibration(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 142, 1); rt2800_bbp_write(rt2x00dev, 143, 57); } static void rt2800_init_bbp_5592_glrt(struct rt2x00_dev *rt2x00dev) { static const u8 glrt_table[] = { 0xE0, 0x1F, 0X38, 0x32, 0x08, 0x28, 0x19, 0x0A, 0xFF, 0x00, /* 128 ~ 137 */ 0x16, 0x10, 0x10, 0x0B, 0x36, 0x2C, 0x26, 0x24, 0x42, 0x36, /* 138 ~ 147 */ 0x30, 0x2D, 0x4C, 0x46, 0x3D, 0x40, 0x3E, 0x42, 0x3D, 0x40, /* 148 ~ 157 */ 0X3C, 0x34, 0x2C, 0x2F, 0x3C, 0x35, 0x2E, 0x2A, 0x49, 0x41, /* 158 ~ 167 */ 0x36, 0x31, 0x30, 0x30, 0x0E, 0x0D, 0x28, 0x21, 0x1C, 0x16, /* 168 ~ 177 */ 0x50, 0x4A, 0x43, 0x40, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, /* 178 ~ 187 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 188 ~ 197 */ 0x00, 0x00, 0x7D, 0x14, 0x32, 0x2C, 0x36, 0x4C, 0x43, 0x2C, /* 198 ~ 207 */ 0x2E, 0x36, 0x30, 0x6E, /* 208 ~ 211 */ }; int i; for (i = 0; i < ARRAY_SIZE(glrt_table); i++) { rt2800_bbp_write(rt2x00dev, 195, 128 + i); rt2800_bbp_write(rt2x00dev, 196, glrt_table[i]); } }; static void rt2800_init_bbp_early(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 65, 0x2C); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 68, 0x0B); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 73, 0x10); rt2800_bbp_write(rt2x00dev, 81, 0x37); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x6A); rt2800_bbp_write(rt2x00dev, 84, 0x99); rt2800_bbp_write(rt2x00dev, 86, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x00); rt2800_bbp_write(rt2x00dev, 103, 0x00); rt2800_bbp_write(rt2x00dev, 105, 0x05); rt2800_bbp_write(rt2x00dev, 106, 0x35); } static void rt2800_disable_unused_dac_adc(struct rt2x00_dev *rt2x00dev) { u16 eeprom; u8 value; value = rt2800_bbp_read(rt2x00dev, 138); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1) value |= 0x20; if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1) value &= ~0x02; rt2800_bbp_write(rt2x00dev, 138, value); } static void rt2800_init_bbp_305x_soc(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 31, 0x08); rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x10); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 78, 0x0e); rt2800_bbp_write(rt2x00dev, 80, 0x08); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x6a); rt2800_bbp_write(rt2x00dev, 84, 0x99); rt2800_bbp_write(rt2x00dev, 86, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x00); rt2800_bbp_write(rt2x00dev, 103, 0xc0); rt2800_bbp_write(rt2x00dev, 105, 0x01); rt2800_bbp_write(rt2x00dev, 106, 0x35); } static void rt2800_init_bbp_28xx(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) { rt2800_bbp_write(rt2x00dev, 69, 0x16); rt2800_bbp_write(rt2x00dev, 73, 0x12); } else { rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x10); } rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 81, 0x37); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x6a); if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D)) rt2800_bbp_write(rt2x00dev, 84, 0x19); else rt2800_bbp_write(rt2x00dev, 84, 0x99); rt2800_bbp_write(rt2x00dev, 86, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x00); rt2800_bbp_write(rt2x00dev, 103, 0x00); rt2800_bbp_write(rt2x00dev, 105, 0x05); rt2800_bbp_write(rt2x00dev, 106, 0x35); } static void rt2800_init_bbp_30xx(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x10); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 79, 0x13); rt2800_bbp_write(rt2x00dev, 80, 0x05); rt2800_bbp_write(rt2x00dev, 81, 0x33); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x6a); rt2800_bbp_write(rt2x00dev, 84, 0x99); rt2800_bbp_write(rt2x00dev, 86, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x00); if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) || rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E)) rt2800_bbp_write(rt2x00dev, 103, 0xc0); else rt2800_bbp_write(rt2x00dev, 103, 0x00); rt2800_bbp_write(rt2x00dev, 105, 0x05); rt2800_bbp_write(rt2x00dev, 106, 0x35); if (rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090)) rt2800_disable_unused_dac_adc(rt2x00dev); } static void rt2800_init_bbp_3290(struct rt2x00_dev *rt2x00dev) { u8 value; rt2800_bbp4_mac_if_ctrl(rt2x00dev); rt2800_bbp_write(rt2x00dev, 31, 0x08); rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 68, 0x0b); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x13); rt2800_bbp_write(rt2x00dev, 75, 0x46); rt2800_bbp_write(rt2x00dev, 76, 0x28); rt2800_bbp_write(rt2x00dev, 77, 0x58); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 74, 0x0b); rt2800_bbp_write(rt2x00dev, 79, 0x18); rt2800_bbp_write(rt2x00dev, 80, 0x09); rt2800_bbp_write(rt2x00dev, 81, 0x33); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x7a); rt2800_bbp_write(rt2x00dev, 84, 0x9a); rt2800_bbp_write(rt2x00dev, 86, 0x38); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x02); rt2800_bbp_write(rt2x00dev, 103, 0xc0); rt2800_bbp_write(rt2x00dev, 104, 0x92); rt2800_bbp_write(rt2x00dev, 105, 0x1c); rt2800_bbp_write(rt2x00dev, 106, 0x03); rt2800_bbp_write(rt2x00dev, 128, 0x12); rt2800_bbp_write(rt2x00dev, 67, 0x24); rt2800_bbp_write(rt2x00dev, 143, 0x04); rt2800_bbp_write(rt2x00dev, 142, 0x99); rt2800_bbp_write(rt2x00dev, 150, 0x30); rt2800_bbp_write(rt2x00dev, 151, 0x2e); rt2800_bbp_write(rt2x00dev, 152, 0x20); rt2800_bbp_write(rt2x00dev, 153, 0x34); rt2800_bbp_write(rt2x00dev, 154, 0x40); rt2800_bbp_write(rt2x00dev, 155, 0x3b); rt2800_bbp_write(rt2x00dev, 253, 0x04); value = rt2800_bbp_read(rt2x00dev, 47); rt2x00_set_field8(&value, BBP47_TSSI_ADC6, 1); rt2800_bbp_write(rt2x00dev, 47, value); /* Use 5-bit ADC for Acquisition and 8-bit ADC for data */ value = rt2800_bbp_read(rt2x00dev, 3); rt2x00_set_field8(&value, BBP3_ADC_MODE_SWITCH, 1); rt2x00_set_field8(&value, BBP3_ADC_INIT_MODE, 1); rt2800_bbp_write(rt2x00dev, 3, value); } static void rt2800_init_bbp_3352(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 3, 0x00); rt2800_bbp_write(rt2x00dev, 4, 0x50); rt2800_bbp_write(rt2x00dev, 31, 0x08); rt2800_bbp_write(rt2x00dev, 47, 0x48); rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 68, 0x0b); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x13); rt2800_bbp_write(rt2x00dev, 75, 0x46); rt2800_bbp_write(rt2x00dev, 76, 0x28); rt2800_bbp_write(rt2x00dev, 77, 0x59); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 78, 0x0e); rt2800_bbp_write(rt2x00dev, 80, 0x08); rt2800_bbp_write(rt2x00dev, 81, 0x37); rt2800_bbp_write(rt2x00dev, 82, 0x62); if (rt2x00_rt(rt2x00dev, RT5350)) { rt2800_bbp_write(rt2x00dev, 83, 0x7a); rt2800_bbp_write(rt2x00dev, 84, 0x9a); } else { rt2800_bbp_write(rt2x00dev, 83, 0x6a); rt2800_bbp_write(rt2x00dev, 84, 0x99); } rt2800_bbp_write(rt2x00dev, 86, 0x38); rt2800_bbp_write(rt2x00dev, 88, 0x90); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x02); rt2800_bbp_write(rt2x00dev, 103, 0xc0); rt2800_bbp_write(rt2x00dev, 104, 0x92); if (rt2x00_rt(rt2x00dev, RT5350)) { rt2800_bbp_write(rt2x00dev, 105, 0x3c); rt2800_bbp_write(rt2x00dev, 106, 0x03); } else { rt2800_bbp_write(rt2x00dev, 105, 0x34); rt2800_bbp_write(rt2x00dev, 106, 0x05); } rt2800_bbp_write(rt2x00dev, 120, 0x50); rt2800_bbp_write(rt2x00dev, 137, 0x0f); rt2800_bbp_write(rt2x00dev, 163, 0xbd); /* Set ITxBF timeout to 0x9c40=1000msec */ rt2800_bbp_write(rt2x00dev, 179, 0x02); rt2800_bbp_write(rt2x00dev, 180, 0x00); rt2800_bbp_write(rt2x00dev, 182, 0x40); rt2800_bbp_write(rt2x00dev, 180, 0x01); rt2800_bbp_write(rt2x00dev, 182, 0x9c); rt2800_bbp_write(rt2x00dev, 179, 0x00); /* Reprogram the inband interface to put right values in RXWI */ rt2800_bbp_write(rt2x00dev, 142, 0x04); rt2800_bbp_write(rt2x00dev, 143, 0x3b); rt2800_bbp_write(rt2x00dev, 142, 0x06); rt2800_bbp_write(rt2x00dev, 143, 0xa0); rt2800_bbp_write(rt2x00dev, 142, 0x07); rt2800_bbp_write(rt2x00dev, 143, 0xa1); rt2800_bbp_write(rt2x00dev, 142, 0x08); rt2800_bbp_write(rt2x00dev, 143, 0xa2); rt2800_bbp_write(rt2x00dev, 148, 0xc8); if (rt2x00_rt(rt2x00dev, RT5350)) { /* Antenna Software OFDM */ rt2800_bbp_write(rt2x00dev, 150, 0x40); /* Antenna Software CCK */ rt2800_bbp_write(rt2x00dev, 151, 0x30); rt2800_bbp_write(rt2x00dev, 152, 0xa3); /* Clear previously selected antenna */ rt2800_bbp_write(rt2x00dev, 154, 0); } } static void rt2800_init_bbp_3390(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x10); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 79, 0x13); rt2800_bbp_write(rt2x00dev, 80, 0x05); rt2800_bbp_write(rt2x00dev, 81, 0x33); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x6a); rt2800_bbp_write(rt2x00dev, 84, 0x99); rt2800_bbp_write(rt2x00dev, 86, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x00); if (rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E)) rt2800_bbp_write(rt2x00dev, 103, 0xc0); else rt2800_bbp_write(rt2x00dev, 103, 0x00); rt2800_bbp_write(rt2x00dev, 105, 0x05); rt2800_bbp_write(rt2x00dev, 106, 0x35); rt2800_disable_unused_dac_adc(rt2x00dev); } static void rt2800_init_bbp_3572(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 31, 0x08); rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x10); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 79, 0x13); rt2800_bbp_write(rt2x00dev, 80, 0x05); rt2800_bbp_write(rt2x00dev, 81, 0x33); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x6a); rt2800_bbp_write(rt2x00dev, 84, 0x99); rt2800_bbp_write(rt2x00dev, 86, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x00); rt2800_bbp_write(rt2x00dev, 103, 0xc0); rt2800_bbp_write(rt2x00dev, 105, 0x05); rt2800_bbp_write(rt2x00dev, 106, 0x35); rt2800_disable_unused_dac_adc(rt2x00dev); } static void rt2800_init_bbp_3593(struct rt2x00_dev *rt2x00dev) { rt2800_init_bbp_early(rt2x00dev); rt2800_bbp_write(rt2x00dev, 79, 0x13); rt2800_bbp_write(rt2x00dev, 80, 0x05); rt2800_bbp_write(rt2x00dev, 81, 0x33); rt2800_bbp_write(rt2x00dev, 137, 0x0f); rt2800_bbp_write(rt2x00dev, 84, 0x19); /* Enable DC filter */ if (rt2x00_rt_rev_gte(rt2x00dev, RT3593, REV_RT3593E)) rt2800_bbp_write(rt2x00dev, 103, 0xc0); } static void rt2800_init_bbp_3883(struct rt2x00_dev *rt2x00dev) { rt2800_init_bbp_early(rt2x00dev); rt2800_bbp_write(rt2x00dev, 4, 0x50); rt2800_bbp_write(rt2x00dev, 47, 0x48); rt2800_bbp_write(rt2x00dev, 86, 0x46); rt2800_bbp_write(rt2x00dev, 88, 0x90); rt2800_bbp_write(rt2x00dev, 92, 0x02); rt2800_bbp_write(rt2x00dev, 103, 0xc0); rt2800_bbp_write(rt2x00dev, 104, 0x92); rt2800_bbp_write(rt2x00dev, 105, 0x34); rt2800_bbp_write(rt2x00dev, 106, 0x12); rt2800_bbp_write(rt2x00dev, 120, 0x50); rt2800_bbp_write(rt2x00dev, 137, 0x0f); rt2800_bbp_write(rt2x00dev, 163, 0x9d); /* Set ITxBF timeout to 0x9C40=1000msec */ rt2800_bbp_write(rt2x00dev, 179, 0x02); rt2800_bbp_write(rt2x00dev, 180, 0x00); rt2800_bbp_write(rt2x00dev, 182, 0x40); rt2800_bbp_write(rt2x00dev, 180, 0x01); rt2800_bbp_write(rt2x00dev, 182, 0x9c); rt2800_bbp_write(rt2x00dev, 179, 0x00); /* Reprogram the inband interface to put right values in RXWI */ rt2800_bbp_write(rt2x00dev, 142, 0x04); rt2800_bbp_write(rt2x00dev, 143, 0x3b); rt2800_bbp_write(rt2x00dev, 142, 0x06); rt2800_bbp_write(rt2x00dev, 143, 0xa0); rt2800_bbp_write(rt2x00dev, 142, 0x07); rt2800_bbp_write(rt2x00dev, 143, 0xa1); rt2800_bbp_write(rt2x00dev, 142, 0x08); rt2800_bbp_write(rt2x00dev, 143, 0xa2); rt2800_bbp_write(rt2x00dev, 148, 0xc8); } static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev) { int ant, div_mode; u16 eeprom; u8 value; rt2800_bbp4_mac_if_ctrl(rt2x00dev); rt2800_bbp_write(rt2x00dev, 31, 0x08); rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); rt2800_bbp_write(rt2x00dev, 68, 0x0b); rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x13); rt2800_bbp_write(rt2x00dev, 75, 0x46); rt2800_bbp_write(rt2x00dev, 76, 0x28); rt2800_bbp_write(rt2x00dev, 77, 0x59); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 79, 0x13); rt2800_bbp_write(rt2x00dev, 80, 0x05); rt2800_bbp_write(rt2x00dev, 81, 0x33); rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 83, 0x7a); rt2800_bbp_write(rt2x00dev, 84, 0x9a); rt2800_bbp_write(rt2x00dev, 86, 0x38); if (rt2x00_rt(rt2x00dev, RT5392)) rt2800_bbp_write(rt2x00dev, 88, 0x90); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x02); if (rt2x00_rt(rt2x00dev, RT5392)) { rt2800_bbp_write(rt2x00dev, 95, 0x9a); rt2800_bbp_write(rt2x00dev, 98, 0x12); } rt2800_bbp_write(rt2x00dev, 103, 0xc0); rt2800_bbp_write(rt2x00dev, 104, 0x92); rt2800_bbp_write(rt2x00dev, 105, 0x3c); if (rt2x00_rt(rt2x00dev, RT5390)) rt2800_bbp_write(rt2x00dev, 106, 0x03); else if (rt2x00_rt(rt2x00dev, RT5392)) rt2800_bbp_write(rt2x00dev, 106, 0x12); else WARN_ON(1); rt2800_bbp_write(rt2x00dev, 128, 0x12); if (rt2x00_rt(rt2x00dev, RT5392)) { rt2800_bbp_write(rt2x00dev, 134, 0xd0); rt2800_bbp_write(rt2x00dev, 135, 0xf6); } rt2800_disable_unused_dac_adc(rt2x00dev); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY); ant = (div_mode == 3) ? 1 : 0; /* check if this is a Bluetooth combo card */ if (rt2x00_has_cap_bt_coexist(rt2x00dev)) { u32 reg; reg = rt2800_register_read(rt2x00dev, GPIO_CTRL); rt2x00_set_field32(®, GPIO_CTRL_DIR3, 0); rt2x00_set_field32(®, GPIO_CTRL_DIR6, 0); rt2x00_set_field32(®, GPIO_CTRL_VAL3, 0); rt2x00_set_field32(®, GPIO_CTRL_VAL6, 0); if (ant == 0) rt2x00_set_field32(®, GPIO_CTRL_VAL3, 1); else if (ant == 1) rt2x00_set_field32(®, GPIO_CTRL_VAL6, 1); rt2800_register_write(rt2x00dev, GPIO_CTRL, reg); } /* These chips have hardware RX antenna diversity */ if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R) || rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5370G)) { rt2800_bbp_write(rt2x00dev, 150, 0); /* Disable Antenna Software OFDM */ rt2800_bbp_write(rt2x00dev, 151, 0); /* Disable Antenna Software CCK */ rt2800_bbp_write(rt2x00dev, 154, 0); /* Clear previously selected antenna */ } value = rt2800_bbp_read(rt2x00dev, 152); if (ant == 0) rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1); else rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0); rt2800_bbp_write(rt2x00dev, 152, value); rt2800_init_freq_calibration(rt2x00dev); } static void rt2800_init_bbp_5592(struct rt2x00_dev *rt2x00dev) { int ant, div_mode; u16 eeprom; u8 value; rt2800_init_bbp_early(rt2x00dev); value = rt2800_bbp_read(rt2x00dev, 105); rt2x00_set_field8(&value, BBP105_MLD, rt2x00dev->default_ant.rx_chain_num == 2); rt2800_bbp_write(rt2x00dev, 105, value); rt2800_bbp4_mac_if_ctrl(rt2x00dev); rt2800_bbp_write(rt2x00dev, 20, 0x06); rt2800_bbp_write(rt2x00dev, 31, 0x08); rt2800_bbp_write(rt2x00dev, 65, 0x2C); rt2800_bbp_write(rt2x00dev, 68, 0xDD); rt2800_bbp_write(rt2x00dev, 69, 0x1A); rt2800_bbp_write(rt2x00dev, 70, 0x05); rt2800_bbp_write(rt2x00dev, 73, 0x13); rt2800_bbp_write(rt2x00dev, 74, 0x0F); rt2800_bbp_write(rt2x00dev, 75, 0x4F); rt2800_bbp_write(rt2x00dev, 76, 0x28); rt2800_bbp_write(rt2x00dev, 77, 0x59); rt2800_bbp_write(rt2x00dev, 84, 0x9A); rt2800_bbp_write(rt2x00dev, 86, 0x38); rt2800_bbp_write(rt2x00dev, 88, 0x90); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x02); rt2800_bbp_write(rt2x00dev, 95, 0x9a); rt2800_bbp_write(rt2x00dev, 98, 0x12); rt2800_bbp_write(rt2x00dev, 103, 0xC0); rt2800_bbp_write(rt2x00dev, 104, 0x92); /* FIXME BBP105 owerwrite */ rt2800_bbp_write(rt2x00dev, 105, 0x3C); rt2800_bbp_write(rt2x00dev, 106, 0x35); rt2800_bbp_write(rt2x00dev, 128, 0x12); rt2800_bbp_write(rt2x00dev, 134, 0xD0); rt2800_bbp_write(rt2x00dev, 135, 0xF6); rt2800_bbp_write(rt2x00dev, 137, 0x0F); /* Initialize GLRT (Generalized Likehood Radio Test) */ rt2800_init_bbp_5592_glrt(rt2x00dev); rt2800_bbp4_mac_if_ctrl(rt2x00dev); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY); ant = (div_mode == 3) ? 1 : 0; value = rt2800_bbp_read(rt2x00dev, 152); if (ant == 0) { /* Main antenna */ rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1); } else { /* Auxiliary antenna */ rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0); } rt2800_bbp_write(rt2x00dev, 152, value); if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) { value = rt2800_bbp_read(rt2x00dev, 254); rt2x00_set_field8(&value, BBP254_BIT7, 1); rt2800_bbp_write(rt2x00dev, 254, value); } rt2800_init_freq_calibration(rt2x00dev); rt2800_bbp_write(rt2x00dev, 84, 0x19); if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) rt2800_bbp_write(rt2x00dev, 103, 0xc0); } static void rt2800_init_bbp_6352(struct rt2x00_dev *rt2x00dev) { u8 bbp; /* Apply Maximum Likelihood Detection (MLD) for 2 stream case */ bbp = rt2800_bbp_read(rt2x00dev, 105); rt2x00_set_field8(&bbp, BBP105_MLD, rt2x00dev->default_ant.rx_chain_num == 2); rt2800_bbp_write(rt2x00dev, 105, bbp); /* Avoid data loss and CRC errors */ rt2800_bbp4_mac_if_ctrl(rt2x00dev); /* Fix I/Q swap issue */ bbp = rt2800_bbp_read(rt2x00dev, 1); bbp |= 0x04; rt2800_bbp_write(rt2x00dev, 1, bbp); /* BBP for G band */ rt2800_bbp_write(rt2x00dev, 3, 0x08); rt2800_bbp_write(rt2x00dev, 4, 0x00); /* rt2800_bbp4_mac_if_ctrl? */ rt2800_bbp_write(rt2x00dev, 6, 0x08); rt2800_bbp_write(rt2x00dev, 14, 0x09); rt2800_bbp_write(rt2x00dev, 15, 0xFF); rt2800_bbp_write(rt2x00dev, 16, 0x01); rt2800_bbp_write(rt2x00dev, 20, 0x06); rt2800_bbp_write(rt2x00dev, 21, 0x00); rt2800_bbp_write(rt2x00dev, 22, 0x00); rt2800_bbp_write(rt2x00dev, 27, 0x00); rt2800_bbp_write(rt2x00dev, 28, 0x00); rt2800_bbp_write(rt2x00dev, 30, 0x00); rt2800_bbp_write(rt2x00dev, 31, 0x48); rt2800_bbp_write(rt2x00dev, 47, 0x40); rt2800_bbp_write(rt2x00dev, 62, 0x00); rt2800_bbp_write(rt2x00dev, 63, 0x00); rt2800_bbp_write(rt2x00dev, 64, 0x00); rt2800_bbp_write(rt2x00dev, 65, 0x2C); rt2800_bbp_write(rt2x00dev, 66, 0x1C); rt2800_bbp_write(rt2x00dev, 67, 0x20); rt2800_bbp_write(rt2x00dev, 68, 0xDD); rt2800_bbp_write(rt2x00dev, 69, 0x10); rt2800_bbp_write(rt2x00dev, 70, 0x05); rt2800_bbp_write(rt2x00dev, 73, 0x18); rt2800_bbp_write(rt2x00dev, 74, 0x0F); rt2800_bbp_write(rt2x00dev, 75, 0x60); rt2800_bbp_write(rt2x00dev, 76, 0x44); rt2800_bbp_write(rt2x00dev, 77, 0x59); rt2800_bbp_write(rt2x00dev, 78, 0x1E); rt2800_bbp_write(rt2x00dev, 79, 0x1C); rt2800_bbp_write(rt2x00dev, 80, 0x0C); rt2800_bbp_write(rt2x00dev, 81, 0x3A); rt2800_bbp_write(rt2x00dev, 82, 0xB6); rt2800_bbp_write(rt2x00dev, 83, 0x9A); rt2800_bbp_write(rt2x00dev, 84, 0x9A); rt2800_bbp_write(rt2x00dev, 86, 0x38); rt2800_bbp_write(rt2x00dev, 88, 0x90); rt2800_bbp_write(rt2x00dev, 91, 0x04); rt2800_bbp_write(rt2x00dev, 92, 0x02); rt2800_bbp_write(rt2x00dev, 95, 0x9A); rt2800_bbp_write(rt2x00dev, 96, 0x00); rt2800_bbp_write(rt2x00dev, 103, 0xC0); rt2800_bbp_write(rt2x00dev, 104, 0x92); /* FIXME BBP105 owerwrite */ rt2800_bbp_write(rt2x00dev, 105, 0x3C); rt2800_bbp_write(rt2x00dev, 106, 0x12); rt2800_bbp_write(rt2x00dev, 109, 0x00); rt2800_bbp_write(rt2x00dev, 134, 0x10); rt2800_bbp_write(rt2x00dev, 135, 0xA6); rt2800_bbp_write(rt2x00dev, 137, 0x04); rt2800_bbp_write(rt2x00dev, 142, 0x30); rt2800_bbp_write(rt2x00dev, 143, 0xF7); rt2800_bbp_write(rt2x00dev, 160, 0xEC); rt2800_bbp_write(rt2x00dev, 161, 0xC4); rt2800_bbp_write(rt2x00dev, 162, 0x77); rt2800_bbp_write(rt2x00dev, 163, 0xF9); rt2800_bbp_write(rt2x00dev, 164, 0x00); rt2800_bbp_write(rt2x00dev, 165, 0x00); rt2800_bbp_write(rt2x00dev, 186, 0x00); rt2800_bbp_write(rt2x00dev, 187, 0x00); rt2800_bbp_write(rt2x00dev, 188, 0x00); rt2800_bbp_write(rt2x00dev, 186, 0x00); rt2800_bbp_write(rt2x00dev, 187, 0x01); rt2800_bbp_write(rt2x00dev, 188, 0x00); rt2800_bbp_write(rt2x00dev, 189, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x06); rt2800_bbp_write(rt2x00dev, 92, 0x04); rt2800_bbp_write(rt2x00dev, 93, 0x54); rt2800_bbp_write(rt2x00dev, 99, 0x50); rt2800_bbp_write(rt2x00dev, 148, 0x84); rt2800_bbp_write(rt2x00dev, 167, 0x80); rt2800_bbp_write(rt2x00dev, 178, 0xFF); rt2800_bbp_write(rt2x00dev, 106, 0x13); /* BBP for G band GLRT function (BBP_128 ~ BBP_221) */ rt2800_bbp_glrt_write(rt2x00dev, 0, 0x00); rt2800_bbp_glrt_write(rt2x00dev, 1, 0x14); rt2800_bbp_glrt_write(rt2x00dev, 2, 0x20); rt2800_bbp_glrt_write(rt2x00dev, 3, 0x0A); rt2800_bbp_glrt_write(rt2x00dev, 10, 0x16); rt2800_bbp_glrt_write(rt2x00dev, 11, 0x06); rt2800_bbp_glrt_write(rt2x00dev, 12, 0x02); rt2800_bbp_glrt_write(rt2x00dev, 13, 0x07); rt2800_bbp_glrt_write(rt2x00dev, 14, 0x05); rt2800_bbp_glrt_write(rt2x00dev, 15, 0x09); rt2800_bbp_glrt_write(rt2x00dev, 16, 0x20); rt2800_bbp_glrt_write(rt2x00dev, 17, 0x08); rt2800_bbp_glrt_write(rt2x00dev, 18, 0x4A); rt2800_bbp_glrt_write(rt2x00dev, 19, 0x00); rt2800_bbp_glrt_write(rt2x00dev, 20, 0x00); rt2800_bbp_glrt_write(rt2x00dev, 128, 0xE0); rt2800_bbp_glrt_write(rt2x00dev, 129, 0x1F); rt2800_bbp_glrt_write(rt2x00dev, 130, 0x4F); rt2800_bbp_glrt_write(rt2x00dev, 131, 0x32); rt2800_bbp_glrt_write(rt2x00dev, 132, 0x08); rt2800_bbp_glrt_write(rt2x00dev, 133, 0x28); rt2800_bbp_glrt_write(rt2x00dev, 134, 0x19); rt2800_bbp_glrt_write(rt2x00dev, 135, 0x0A); rt2800_bbp_glrt_write(rt2x00dev, 138, 0x16); rt2800_bbp_glrt_write(rt2x00dev, 139, 0x10); rt2800_bbp_glrt_write(rt2x00dev, 140, 0x10); rt2800_bbp_glrt_write(rt2x00dev, 141, 0x1A); rt2800_bbp_glrt_write(rt2x00dev, 142, 0x36); rt2800_bbp_glrt_write(rt2x00dev, 143, 0x2C); rt2800_bbp_glrt_write(rt2x00dev, 144, 0x26); rt2800_bbp_glrt_write(rt2x00dev, 145, 0x24); rt2800_bbp_glrt_write(rt2x00dev, 146, 0x42); rt2800_bbp_glrt_write(rt2x00dev, 147, 0x40); rt2800_bbp_glrt_write(rt2x00dev, 148, 0x30); rt2800_bbp_glrt_write(rt2x00dev, 149, 0x29); rt2800_bbp_glrt_write(rt2x00dev, 150, 0x4C); rt2800_bbp_glrt_write(rt2x00dev, 151, 0x46); rt2800_bbp_glrt_write(rt2x00dev, 152, 0x3D); rt2800_bbp_glrt_write(rt2x00dev, 153, 0x40); rt2800_bbp_glrt_write(rt2x00dev, 154, 0x3E); rt2800_bbp_glrt_write(rt2x00dev, 155, 0x38); rt2800_bbp_glrt_write(rt2x00dev, 156, 0x3D); rt2800_bbp_glrt_write(rt2x00dev, 157, 0x2F); rt2800_bbp_glrt_write(rt2x00dev, 158, 0x3C); rt2800_bbp_glrt_write(rt2x00dev, 159, 0x34); rt2800_bbp_glrt_write(rt2x00dev, 160, 0x2C); rt2800_bbp_glrt_write(rt2x00dev, 161, 0x2F); rt2800_bbp_glrt_write(rt2x00dev, 162, 0x3C); rt2800_bbp_glrt_write(rt2x00dev, 163, 0x35); rt2800_bbp_glrt_write(rt2x00dev, 164, 0x2E); rt2800_bbp_glrt_write(rt2x00dev, 165, 0x2F); rt2800_bbp_glrt_write(rt2x00dev, 166, 0x49); rt2800_bbp_glrt_write(rt2x00dev, 167, 0x41); rt2800_bbp_glrt_write(rt2x00dev, 168, 0x36); rt2800_bbp_glrt_write(rt2x00dev, 169, 0x39); rt2800_bbp_glrt_write(rt2x00dev, 170, 0x30); rt2800_bbp_glrt_write(rt2x00dev, 171, 0x30); rt2800_bbp_glrt_write(rt2x00dev, 172, 0x0E); rt2800_bbp_glrt_write(rt2x00dev, 173, 0x0D); rt2800_bbp_glrt_write(rt2x00dev, 174, 0x28); rt2800_bbp_glrt_write(rt2x00dev, 175, 0x21); rt2800_bbp_glrt_write(rt2x00dev, 176, 0x1C); rt2800_bbp_glrt_write(rt2x00dev, 177, 0x16); rt2800_bbp_glrt_write(rt2x00dev, 178, 0x50); rt2800_bbp_glrt_write(rt2x00dev, 179, 0x4A); rt2800_bbp_glrt_write(rt2x00dev, 180, 0x43); rt2800_bbp_glrt_write(rt2x00dev, 181, 0x50); rt2800_bbp_glrt_write(rt2x00dev, 182, 0x10); rt2800_bbp_glrt_write(rt2x00dev, 183, 0x10); rt2800_bbp_glrt_write(rt2x00dev, 184, 0x10); rt2800_bbp_glrt_write(rt2x00dev, 185, 0x10); rt2800_bbp_glrt_write(rt2x00dev, 200, 0x7D); rt2800_bbp_glrt_write(rt2x00dev, 201, 0x14); rt2800_bbp_glrt_write(rt2x00dev, 202, 0x32); rt2800_bbp_glrt_write(rt2x00dev, 203, 0x2C); rt2800_bbp_glrt_write(rt2x00dev, 204, 0x36); rt2800_bbp_glrt_write(rt2x00dev, 205, 0x4C); rt2800_bbp_glrt_write(rt2x00dev, 206, 0x43); rt2800_bbp_glrt_write(rt2x00dev, 207, 0x2C); rt2800_bbp_glrt_write(rt2x00dev, 208, 0x2E); rt2800_bbp_glrt_write(rt2x00dev, 209, 0x36); rt2800_bbp_glrt_write(rt2x00dev, 210, 0x30); rt2800_bbp_glrt_write(rt2x00dev, 211, 0x6E); /* BBP for G band DCOC function */ rt2800_bbp_dcoc_write(rt2x00dev, 140, 0x0C); rt2800_bbp_dcoc_write(rt2x00dev, 141, 0x00); rt2800_bbp_dcoc_write(rt2x00dev, 142, 0x10); rt2800_bbp_dcoc_write(rt2x00dev, 143, 0x10); rt2800_bbp_dcoc_write(rt2x00dev, 144, 0x10); rt2800_bbp_dcoc_write(rt2x00dev, 145, 0x10); rt2800_bbp_dcoc_write(rt2x00dev, 146, 0x08); rt2800_bbp_dcoc_write(rt2x00dev, 147, 0x40); rt2800_bbp_dcoc_write(rt2x00dev, 148, 0x04); rt2800_bbp_dcoc_write(rt2x00dev, 149, 0x04); rt2800_bbp_dcoc_write(rt2x00dev, 150, 0x08); rt2800_bbp_dcoc_write(rt2x00dev, 151, 0x08); rt2800_bbp_dcoc_write(rt2x00dev, 152, 0x03); rt2800_bbp_dcoc_write(rt2x00dev, 153, 0x03); rt2800_bbp_dcoc_write(rt2x00dev, 154, 0x03); rt2800_bbp_dcoc_write(rt2x00dev, 155, 0x02); rt2800_bbp_dcoc_write(rt2x00dev, 156, 0x40); rt2800_bbp_dcoc_write(rt2x00dev, 157, 0x40); rt2800_bbp_dcoc_write(rt2x00dev, 158, 0x64); rt2800_bbp_dcoc_write(rt2x00dev, 159, 0x64); rt2800_bbp4_mac_if_ctrl(rt2x00dev); rt2800_bbp_write(rt2x00dev, 84, 0x19); } static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev) { unsigned int i; u16 eeprom; u8 reg_id; u8 value; if (rt2800_is_305x_soc(rt2x00dev)) rt2800_init_bbp_305x_soc(rt2x00dev); switch (rt2x00dev->chip.rt) { case RT2860: case RT2872: case RT2883: rt2800_init_bbp_28xx(rt2x00dev); break; case RT3070: case RT3071: case RT3090: rt2800_init_bbp_30xx(rt2x00dev); break; case RT3290: rt2800_init_bbp_3290(rt2x00dev); break; case RT3352: case RT5350: rt2800_init_bbp_3352(rt2x00dev); break; case RT3390: rt2800_init_bbp_3390(rt2x00dev); break; case RT3572: rt2800_init_bbp_3572(rt2x00dev); break; case RT3593: rt2800_init_bbp_3593(rt2x00dev); return; case RT3883: rt2800_init_bbp_3883(rt2x00dev); return; case RT5390: case RT5392: rt2800_init_bbp_53xx(rt2x00dev); break; case RT5592: rt2800_init_bbp_5592(rt2x00dev); return; case RT6352: rt2800_init_bbp_6352(rt2x00dev); break; } for (i = 0; i < EEPROM_BBP_SIZE; i++) { eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_BBP_START, i); if (eeprom != 0xffff && eeprom != 0x0000) { reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID); value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE); rt2800_bbp_write(rt2x00dev, reg_id, value); } } } static void rt2800_led_open_drain_enable(struct rt2x00_dev *rt2x00dev) { u32 reg; reg = rt2800_register_read(rt2x00dev, OPT_14_CSR); rt2x00_set_field32(®, OPT_14_CSR_BIT0, 1); rt2800_register_write(rt2x00dev, OPT_14_CSR, reg); } static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev, bool bw40, u8 filter_target) { unsigned int i; u8 bbp; u8 rfcsr; u8 passband; u8 stopband; u8 overtuned = 0; u8 rfcsr24 = (bw40) ? 0x27 : 0x07; rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24); bbp = rt2800_bbp_read(rt2x00dev, 4); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40); rt2800_bbp_write(rt2x00dev, 4, bbp); rfcsr = rt2800_rfcsr_read(rt2x00dev, 31); rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40); rt2800_rfcsr_write(rt2x00dev, 31, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 22); rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1); rt2800_rfcsr_write(rt2x00dev, 22, rfcsr); /* * Set power & frequency of passband test tone */ rt2800_bbp_write(rt2x00dev, 24, 0); for (i = 0; i < 100; i++) { rt2800_bbp_write(rt2x00dev, 25, 0x90); msleep(1); passband = rt2800_bbp_read(rt2x00dev, 55); if (passband) break; } /* * Set power & frequency of stopband test tone */ rt2800_bbp_write(rt2x00dev, 24, 0x06); for (i = 0; i < 100; i++) { rt2800_bbp_write(rt2x00dev, 25, 0x90); msleep(1); stopband = rt2800_bbp_read(rt2x00dev, 55); if ((passband - stopband) <= filter_target) { rfcsr24++; overtuned += ((passband - stopband) == filter_target); } else break; rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24); } rfcsr24 -= !!overtuned; rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24); return rfcsr24; } static void rt2800_rf_init_calibration(struct rt2x00_dev *rt2x00dev, const unsigned int rf_reg) { u8 rfcsr; rfcsr = rt2800_rfcsr_read(rt2x00dev, rf_reg); rt2x00_set_field8(&rfcsr, FIELD8(0x80), 1); rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr); msleep(1); rt2x00_set_field8(&rfcsr, FIELD8(0x80), 0); rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr); } static void rt2800_rx_filter_calibration(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 filter_tgt_bw20; u8 filter_tgt_bw40; u8 rfcsr, bbp; /* * TODO: sync filter_tgt values with vendor driver */ if (rt2x00_rt(rt2x00dev, RT3070)) { filter_tgt_bw20 = 0x16; filter_tgt_bw40 = 0x19; } else { filter_tgt_bw20 = 0x13; filter_tgt_bw40 = 0x15; } drv_data->calibration_bw20 = rt2800_init_rx_filter(rt2x00dev, false, filter_tgt_bw20); drv_data->calibration_bw40 = rt2800_init_rx_filter(rt2x00dev, true, filter_tgt_bw40); /* * Save BBP 25 & 26 values for later use in channel switching (for 3052) */ drv_data->bbp25 = rt2800_bbp_read(rt2x00dev, 25); drv_data->bbp26 = rt2800_bbp_read(rt2x00dev, 26); /* * Set back to initial state */ rt2800_bbp_write(rt2x00dev, 24, 0); rfcsr = rt2800_rfcsr_read(rt2x00dev, 22); rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0); rt2800_rfcsr_write(rt2x00dev, 22, rfcsr); /* * Set BBP back to BW20 */ bbp = rt2800_bbp_read(rt2x00dev, 4); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0); rt2800_bbp_write(rt2x00dev, 4, bbp); } static void rt2800_normal_mode_setup_3xxx(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 min_gain, rfcsr, bbp; u16 eeprom; rfcsr = rt2800_rfcsr_read(rt2x00dev, 17); rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0); if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) || rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) { if (!rt2x00_has_cap_external_lna_bg(rt2x00dev)) rt2x00_set_field8(&rfcsr, RFCSR17_R, 1); } min_gain = rt2x00_rt(rt2x00dev, RT3070) ? 1 : 2; if (drv_data->txmixer_gain_24g >= min_gain) { rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN, drv_data->txmixer_gain_24g); } rt2800_rfcsr_write(rt2x00dev, 17, rfcsr); if (rt2x00_rt(rt2x00dev, RT3090)) { /* Turn off unused DAC1 and ADC1 to reduce power consumption */ bbp = rt2800_bbp_read(rt2x00dev, 138); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1) rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1) rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1); rt2800_bbp_write(rt2x00dev, 138, bbp); } if (rt2x00_rt(rt2x00dev, RT3070)) { rfcsr = rt2800_rfcsr_read(rt2x00dev, 27); if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3); else rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0); rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0); rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0); rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0); rt2800_rfcsr_write(rt2x00dev, 27, rfcsr); } else if (rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3390)) { rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 15); rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0); rt2800_rfcsr_write(rt2x00dev, 15, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 20); rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0); rt2800_rfcsr_write(rt2x00dev, 20, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 21); rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0); rt2800_rfcsr_write(rt2x00dev, 21, rfcsr); } } static void rt2800_normal_mode_setup_3593(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 rfcsr; u8 tx_gain; rfcsr = rt2800_rfcsr_read(rt2x00dev, 50); rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO2_EN, 0); rt2800_rfcsr_write(rt2x00dev, 50, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 51); tx_gain = rt2x00_get_field8(drv_data->txmixer_gain_24g, RFCSR17_TXMIXER_GAIN); rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, tx_gain); rt2800_rfcsr_write(rt2x00dev, 51, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 38); rt2x00_set_field8(&rfcsr, RFCSR38_RX_LO1_EN, 0); rt2800_rfcsr_write(rt2x00dev, 38, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 39); rt2x00_set_field8(&rfcsr, RFCSR39_RX_LO2_EN, 0); rt2800_rfcsr_write(rt2x00dev, 39, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 30); rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); /* TODO: enable stream mode */ } static void rt2800_normal_mode_setup_5xxx(struct rt2x00_dev *rt2x00dev) { u8 reg; u16 eeprom; /* Turn off unused DAC1 and ADC1 to reduce power consumption */ reg = rt2800_bbp_read(rt2x00dev, 138); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1) rt2x00_set_field8(®, BBP138_RX_ADC1, 0); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1) rt2x00_set_field8(®, BBP138_TX_DAC1, 1); rt2800_bbp_write(rt2x00dev, 138, reg); reg = rt2800_rfcsr_read(rt2x00dev, 38); rt2x00_set_field8(®, RFCSR38_RX_LO1_EN, 0); rt2800_rfcsr_write(rt2x00dev, 38, reg); reg = rt2800_rfcsr_read(rt2x00dev, 39); rt2x00_set_field8(®, RFCSR39_RX_LO2_EN, 0); rt2800_rfcsr_write(rt2x00dev, 39, reg); rt2800_bbp4_mac_if_ctrl(rt2x00dev); reg = rt2800_rfcsr_read(rt2x00dev, 30); rt2x00_set_field8(®, RFCSR30_RX_VCM, 2); rt2800_rfcsr_write(rt2x00dev, 30, reg); } static void rt2800_init_rfcsr_305x_soc(struct rt2x00_dev *rt2x00dev) { rt2800_rf_init_calibration(rt2x00dev, 30); rt2800_rfcsr_write(rt2x00dev, 0, 0x50); rt2800_rfcsr_write(rt2x00dev, 1, 0x01); rt2800_rfcsr_write(rt2x00dev, 2, 0xf7); rt2800_rfcsr_write(rt2x00dev, 3, 0x75); rt2800_rfcsr_write(rt2x00dev, 4, 0x40); rt2800_rfcsr_write(rt2x00dev, 5, 0x03); rt2800_rfcsr_write(rt2x00dev, 6, 0x02); rt2800_rfcsr_write(rt2x00dev, 7, 0x50); rt2800_rfcsr_write(rt2x00dev, 8, 0x39); rt2800_rfcsr_write(rt2x00dev, 9, 0x0f); rt2800_rfcsr_write(rt2x00dev, 10, 0x60); rt2800_rfcsr_write(rt2x00dev, 11, 0x21); rt2800_rfcsr_write(rt2x00dev, 12, 0x75); rt2800_rfcsr_write(rt2x00dev, 13, 0x75); rt2800_rfcsr_write(rt2x00dev, 14, 0x90); rt2800_rfcsr_write(rt2x00dev, 15, 0x58); rt2800_rfcsr_write(rt2x00dev, 16, 0xb3); rt2800_rfcsr_write(rt2x00dev, 17, 0x92); rt2800_rfcsr_write(rt2x00dev, 18, 0x2c); rt2800_rfcsr_write(rt2x00dev, 19, 0x02); rt2800_rfcsr_write(rt2x00dev, 20, 0xba); rt2800_rfcsr_write(rt2x00dev, 21, 0xdb); rt2800_rfcsr_write(rt2x00dev, 22, 0x00); rt2800_rfcsr_write(rt2x00dev, 23, 0x31); rt2800_rfcsr_write(rt2x00dev, 24, 0x08); rt2800_rfcsr_write(rt2x00dev, 25, 0x01); rt2800_rfcsr_write(rt2x00dev, 26, 0x25); rt2800_rfcsr_write(rt2x00dev, 27, 0x23); rt2800_rfcsr_write(rt2x00dev, 28, 0x13); rt2800_rfcsr_write(rt2x00dev, 29, 0x83); rt2800_rfcsr_write(rt2x00dev, 30, 0x00); rt2800_rfcsr_write(rt2x00dev, 31, 0x00); } static void rt2800_init_rfcsr_30xx(struct rt2x00_dev *rt2x00dev) { u8 rfcsr; u16 eeprom; u32 reg; /* XXX vendor driver do this only for 3070 */ rt2800_rf_init_calibration(rt2x00dev, 30); rt2800_rfcsr_write(rt2x00dev, 4, 0x40); rt2800_rfcsr_write(rt2x00dev, 5, 0x03); rt2800_rfcsr_write(rt2x00dev, 6, 0x02); rt2800_rfcsr_write(rt2x00dev, 7, 0x60); rt2800_rfcsr_write(rt2x00dev, 9, 0x0f); rt2800_rfcsr_write(rt2x00dev, 10, 0x41); rt2800_rfcsr_write(rt2x00dev, 11, 0x21); rt2800_rfcsr_write(rt2x00dev, 12, 0x7b); rt2800_rfcsr_write(rt2x00dev, 14, 0x90); rt2800_rfcsr_write(rt2x00dev, 15, 0x58); rt2800_rfcsr_write(rt2x00dev, 16, 0xb3); rt2800_rfcsr_write(rt2x00dev, 17, 0x92); rt2800_rfcsr_write(rt2x00dev, 18, 0x2c); rt2800_rfcsr_write(rt2x00dev, 19, 0x02); rt2800_rfcsr_write(rt2x00dev, 20, 0xba); rt2800_rfcsr_write(rt2x00dev, 21, 0xdb); rt2800_rfcsr_write(rt2x00dev, 24, 0x16); rt2800_rfcsr_write(rt2x00dev, 25, 0x03); rt2800_rfcsr_write(rt2x00dev, 29, 0x1f); if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) { reg = rt2800_register_read(rt2x00dev, LDO_CFG0); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); } else if (rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090)) { rt2800_rfcsr_write(rt2x00dev, 31, 0x14); rfcsr = rt2800_rfcsr_read(rt2x00dev, 6); rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1); rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); reg = rt2800_register_read(rt2x00dev, LDO_CFG0); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) { eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST)) rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3); else rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 0); } rt2800_register_write(rt2x00dev, LDO_CFG0, reg); reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH); rt2x00_set_field32(®, GPIO_SWITCH_5, 0); rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg); } rt2800_rx_filter_calibration(rt2x00dev); if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) || rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) rt2800_rfcsr_write(rt2x00dev, 27, 0x03); rt2800_led_open_drain_enable(rt2x00dev); rt2800_normal_mode_setup_3xxx(rt2x00dev); } static void rt2800_init_rfcsr_3290(struct rt2x00_dev *rt2x00dev) { u8 rfcsr; rt2800_rf_init_calibration(rt2x00dev, 2); rt2800_rfcsr_write(rt2x00dev, 1, 0x0f); rt2800_rfcsr_write(rt2x00dev, 2, 0x80); rt2800_rfcsr_write(rt2x00dev, 3, 0x08); rt2800_rfcsr_write(rt2x00dev, 4, 0x00); rt2800_rfcsr_write(rt2x00dev, 6, 0xa0); rt2800_rfcsr_write(rt2x00dev, 8, 0xf3); rt2800_rfcsr_write(rt2x00dev, 9, 0x02); rt2800_rfcsr_write(rt2x00dev, 10, 0x53); rt2800_rfcsr_write(rt2x00dev, 11, 0x4a); rt2800_rfcsr_write(rt2x00dev, 12, 0x46); rt2800_rfcsr_write(rt2x00dev, 13, 0x9f); rt2800_rfcsr_write(rt2x00dev, 18, 0x02); rt2800_rfcsr_write(rt2x00dev, 22, 0x20); rt2800_rfcsr_write(rt2x00dev, 25, 0x83); rt2800_rfcsr_write(rt2x00dev, 26, 0x82); rt2800_rfcsr_write(rt2x00dev, 27, 0x09); rt2800_rfcsr_write(rt2x00dev, 29, 0x10); rt2800_rfcsr_write(rt2x00dev, 30, 0x10); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x80); rt2800_rfcsr_write(rt2x00dev, 33, 0x00); rt2800_rfcsr_write(rt2x00dev, 34, 0x05); rt2800_rfcsr_write(rt2x00dev, 35, 0x12); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 38, 0x85); rt2800_rfcsr_write(rt2x00dev, 39, 0x1b); rt2800_rfcsr_write(rt2x00dev, 40, 0x0b); rt2800_rfcsr_write(rt2x00dev, 41, 0xbb); rt2800_rfcsr_write(rt2x00dev, 42, 0xd5); rt2800_rfcsr_write(rt2x00dev, 43, 0x7b); rt2800_rfcsr_write(rt2x00dev, 44, 0x0e); rt2800_rfcsr_write(rt2x00dev, 45, 0xa2); rt2800_rfcsr_write(rt2x00dev, 46, 0x73); rt2800_rfcsr_write(rt2x00dev, 47, 0x00); rt2800_rfcsr_write(rt2x00dev, 48, 0x10); rt2800_rfcsr_write(rt2x00dev, 49, 0x98); rt2800_rfcsr_write(rt2x00dev, 52, 0x38); rt2800_rfcsr_write(rt2x00dev, 53, 0x00); rt2800_rfcsr_write(rt2x00dev, 54, 0x78); rt2800_rfcsr_write(rt2x00dev, 55, 0x43); rt2800_rfcsr_write(rt2x00dev, 56, 0x02); rt2800_rfcsr_write(rt2x00dev, 57, 0x80); rt2800_rfcsr_write(rt2x00dev, 58, 0x7f); rt2800_rfcsr_write(rt2x00dev, 59, 0x09); rt2800_rfcsr_write(rt2x00dev, 60, 0x45); rt2800_rfcsr_write(rt2x00dev, 61, 0xc1); rfcsr = rt2800_rfcsr_read(rt2x00dev, 29); rt2x00_set_field8(&rfcsr, RFCSR29_RSSI_GAIN, 3); rt2800_rfcsr_write(rt2x00dev, 29, rfcsr); rt2800_led_open_drain_enable(rt2x00dev); rt2800_normal_mode_setup_3xxx(rt2x00dev); } static void rt2800_init_rfcsr_3352(struct rt2x00_dev *rt2x00dev) { int tx0_ext_pa = test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags); int tx1_ext_pa = test_bit(CAPABILITY_EXTERNAL_PA_TX1, &rt2x00dev->cap_flags); u8 rfcsr; rt2800_rf_init_calibration(rt2x00dev, 30); rt2800_rfcsr_write(rt2x00dev, 0, 0xf0); rt2800_rfcsr_write(rt2x00dev, 1, 0x23); rt2800_rfcsr_write(rt2x00dev, 2, 0x50); rt2800_rfcsr_write(rt2x00dev, 3, 0x18); rt2800_rfcsr_write(rt2x00dev, 4, 0x00); rt2800_rfcsr_write(rt2x00dev, 5, 0x00); rt2800_rfcsr_write(rt2x00dev, 6, 0x33); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 8, 0xf1); rt2800_rfcsr_write(rt2x00dev, 9, 0x02); rt2800_rfcsr_write(rt2x00dev, 10, 0xd2); rt2800_rfcsr_write(rt2x00dev, 11, 0x42); rt2800_rfcsr_write(rt2x00dev, 12, 0x1c); rt2800_rfcsr_write(rt2x00dev, 13, 0x00); rt2800_rfcsr_write(rt2x00dev, 14, 0x5a); rt2800_rfcsr_write(rt2x00dev, 15, 0x00); rt2800_rfcsr_write(rt2x00dev, 16, 0x01); rt2800_rfcsr_write(rt2x00dev, 18, 0x45); rt2800_rfcsr_write(rt2x00dev, 19, 0x02); rt2800_rfcsr_write(rt2x00dev, 20, 0x00); rt2800_rfcsr_write(rt2x00dev, 21, 0x00); rt2800_rfcsr_write(rt2x00dev, 22, 0x00); rt2800_rfcsr_write(rt2x00dev, 23, 0x00); rt2800_rfcsr_write(rt2x00dev, 24, 0x00); rt2800_rfcsr_write(rt2x00dev, 25, 0x80); rt2800_rfcsr_write(rt2x00dev, 26, 0x00); rt2800_rfcsr_write(rt2x00dev, 27, 0x03); rt2800_rfcsr_write(rt2x00dev, 28, 0x03); rt2800_rfcsr_write(rt2x00dev, 29, 0x00); rt2800_rfcsr_write(rt2x00dev, 30, 0x10); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x80); rt2800_rfcsr_write(rt2x00dev, 33, 0x00); rfcsr = 0x01; if (tx0_ext_pa) rt2x00_set_field8(&rfcsr, RFCSR34_TX0_EXT_PA, 1); if (tx1_ext_pa) rt2x00_set_field8(&rfcsr, RFCSR34_TX1_EXT_PA, 1); rt2800_rfcsr_write(rt2x00dev, 34, rfcsr); rt2800_rfcsr_write(rt2x00dev, 35, 0x03); rt2800_rfcsr_write(rt2x00dev, 36, 0xbd); rt2800_rfcsr_write(rt2x00dev, 37, 0x3c); rt2800_rfcsr_write(rt2x00dev, 38, 0x5f); rt2800_rfcsr_write(rt2x00dev, 39, 0xc5); rt2800_rfcsr_write(rt2x00dev, 40, 0x33); rfcsr = 0x52; if (!tx0_ext_pa) { rt2x00_set_field8(&rfcsr, RFCSR41_BIT1, 1); rt2x00_set_field8(&rfcsr, RFCSR41_BIT4, 1); } rt2800_rfcsr_write(rt2x00dev, 41, rfcsr); rfcsr = 0x52; if (!tx1_ext_pa) { rt2x00_set_field8(&rfcsr, RFCSR42_BIT1, 1); rt2x00_set_field8(&rfcsr, RFCSR42_BIT4, 1); } rt2800_rfcsr_write(rt2x00dev, 42, rfcsr); rt2800_rfcsr_write(rt2x00dev, 43, 0xdb); rt2800_rfcsr_write(rt2x00dev, 44, 0xdb); rt2800_rfcsr_write(rt2x00dev, 45, 0xdb); rt2800_rfcsr_write(rt2x00dev, 46, 0xdd); rt2800_rfcsr_write(rt2x00dev, 47, 0x0d); rt2800_rfcsr_write(rt2x00dev, 48, 0x14); rt2800_rfcsr_write(rt2x00dev, 49, 0x00); rfcsr = 0x2d; if (tx0_ext_pa) rt2x00_set_field8(&rfcsr, RFCSR50_TX0_EXT_PA, 1); if (tx1_ext_pa) rt2x00_set_field8(&rfcsr, RFCSR50_TX1_EXT_PA, 1); rt2800_rfcsr_write(rt2x00dev, 50, rfcsr); rt2800_rfcsr_write(rt2x00dev, 51, (tx0_ext_pa ? 0x52 : 0x7f)); rt2800_rfcsr_write(rt2x00dev, 52, (tx0_ext_pa ? 0xc0 : 0x00)); rt2800_rfcsr_write(rt2x00dev, 53, (tx0_ext_pa ? 0xd2 : 0x52)); rt2800_rfcsr_write(rt2x00dev, 54, (tx0_ext_pa ? 0xc0 : 0x1b)); rt2800_rfcsr_write(rt2x00dev, 55, (tx1_ext_pa ? 0x52 : 0x7f)); rt2800_rfcsr_write(rt2x00dev, 56, (tx1_ext_pa ? 0xc0 : 0x00)); rt2800_rfcsr_write(rt2x00dev, 57, (tx0_ext_pa ? 0x49 : 0x52)); rt2800_rfcsr_write(rt2x00dev, 58, (tx1_ext_pa ? 0xc0 : 0x1b)); rt2800_rfcsr_write(rt2x00dev, 59, 0x00); rt2800_rfcsr_write(rt2x00dev, 60, 0x00); rt2800_rfcsr_write(rt2x00dev, 61, 0x00); rt2800_rfcsr_write(rt2x00dev, 62, 0x00); rt2800_rfcsr_write(rt2x00dev, 63, 0x00); rt2800_rx_filter_calibration(rt2x00dev); rt2800_led_open_drain_enable(rt2x00dev); rt2800_normal_mode_setup_3xxx(rt2x00dev); } static void rt2800_init_rfcsr_3390(struct rt2x00_dev *rt2x00dev) { u32 reg; rt2800_rf_init_calibration(rt2x00dev, 30); rt2800_rfcsr_write(rt2x00dev, 0, 0xa0); rt2800_rfcsr_write(rt2x00dev, 1, 0xe1); rt2800_rfcsr_write(rt2x00dev, 2, 0xf1); rt2800_rfcsr_write(rt2x00dev, 3, 0x62); rt2800_rfcsr_write(rt2x00dev, 4, 0x40); rt2800_rfcsr_write(rt2x00dev, 5, 0x8b); rt2800_rfcsr_write(rt2x00dev, 6, 0x42); rt2800_rfcsr_write(rt2x00dev, 7, 0x34); rt2800_rfcsr_write(rt2x00dev, 8, 0x00); rt2800_rfcsr_write(rt2x00dev, 9, 0xc0); rt2800_rfcsr_write(rt2x00dev, 10, 0x61); rt2800_rfcsr_write(rt2x00dev, 11, 0x21); rt2800_rfcsr_write(rt2x00dev, 12, 0x3b); rt2800_rfcsr_write(rt2x00dev, 13, 0xe0); rt2800_rfcsr_write(rt2x00dev, 14, 0x90); rt2800_rfcsr_write(rt2x00dev, 15, 0x53); rt2800_rfcsr_write(rt2x00dev, 16, 0xe0); rt2800_rfcsr_write(rt2x00dev, 17, 0x94); rt2800_rfcsr_write(rt2x00dev, 18, 0x5c); rt2800_rfcsr_write(rt2x00dev, 19, 0x4a); rt2800_rfcsr_write(rt2x00dev, 20, 0xb2); rt2800_rfcsr_write(rt2x00dev, 21, 0xf6); rt2800_rfcsr_write(rt2x00dev, 22, 0x00); rt2800_rfcsr_write(rt2x00dev, 23, 0x14); rt2800_rfcsr_write(rt2x00dev, 24, 0x08); rt2800_rfcsr_write(rt2x00dev, 25, 0x3d); rt2800_rfcsr_write(rt2x00dev, 26, 0x85); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 28, 0x41); rt2800_rfcsr_write(rt2x00dev, 29, 0x8f); rt2800_rfcsr_write(rt2x00dev, 30, 0x20); rt2800_rfcsr_write(rt2x00dev, 31, 0x0f); reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH); rt2x00_set_field32(®, GPIO_SWITCH_5, 0); rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg); rt2800_rx_filter_calibration(rt2x00dev); if (rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) rt2800_rfcsr_write(rt2x00dev, 27, 0x03); rt2800_led_open_drain_enable(rt2x00dev); rt2800_normal_mode_setup_3xxx(rt2x00dev); } static void rt2800_init_rfcsr_3572(struct rt2x00_dev *rt2x00dev) { u8 rfcsr; u32 reg; rt2800_rf_init_calibration(rt2x00dev, 30); rt2800_rfcsr_write(rt2x00dev, 0, 0x70); rt2800_rfcsr_write(rt2x00dev, 1, 0x81); rt2800_rfcsr_write(rt2x00dev, 2, 0xf1); rt2800_rfcsr_write(rt2x00dev, 3, 0x02); rt2800_rfcsr_write(rt2x00dev, 4, 0x4c); rt2800_rfcsr_write(rt2x00dev, 5, 0x05); rt2800_rfcsr_write(rt2x00dev, 6, 0x4a); rt2800_rfcsr_write(rt2x00dev, 7, 0xd8); rt2800_rfcsr_write(rt2x00dev, 9, 0xc3); rt2800_rfcsr_write(rt2x00dev, 10, 0xf1); rt2800_rfcsr_write(rt2x00dev, 11, 0xb9); rt2800_rfcsr_write(rt2x00dev, 12, 0x70); rt2800_rfcsr_write(rt2x00dev, 13, 0x65); rt2800_rfcsr_write(rt2x00dev, 14, 0xa0); rt2800_rfcsr_write(rt2x00dev, 15, 0x53); rt2800_rfcsr_write(rt2x00dev, 16, 0x4c); rt2800_rfcsr_write(rt2x00dev, 17, 0x23); rt2800_rfcsr_write(rt2x00dev, 18, 0xac); rt2800_rfcsr_write(rt2x00dev, 19, 0x93); rt2800_rfcsr_write(rt2x00dev, 20, 0xb3); rt2800_rfcsr_write(rt2x00dev, 21, 0xd0); rt2800_rfcsr_write(rt2x00dev, 22, 0x00); rt2800_rfcsr_write(rt2x00dev, 23, 0x3c); rt2800_rfcsr_write(rt2x00dev, 24, 0x16); rt2800_rfcsr_write(rt2x00dev, 25, 0x15); rt2800_rfcsr_write(rt2x00dev, 26, 0x85); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x9b); rt2800_rfcsr_write(rt2x00dev, 30, 0x09); rt2800_rfcsr_write(rt2x00dev, 31, 0x10); rfcsr = rt2800_rfcsr_read(rt2x00dev, 6); rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1); rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); reg = rt2800_register_read(rt2x00dev, LDO_CFG0); rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); msleep(1); reg = rt2800_register_read(rt2x00dev, LDO_CFG0); rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 0); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); rt2800_rx_filter_calibration(rt2x00dev); rt2800_led_open_drain_enable(rt2x00dev); rt2800_normal_mode_setup_3xxx(rt2x00dev); } static void rt3593_post_bbp_init(struct rt2x00_dev *rt2x00dev) { u8 bbp; bool txbf_enabled = false; /* FIXME */ bbp = rt2800_bbp_read(rt2x00dev, 105); if (rt2x00dev->default_ant.rx_chain_num == 1) rt2x00_set_field8(&bbp, BBP105_MLD, 0); else rt2x00_set_field8(&bbp, BBP105_MLD, 1); rt2800_bbp_write(rt2x00dev, 105, bbp); rt2800_bbp4_mac_if_ctrl(rt2x00dev); rt2800_bbp_write(rt2x00dev, 92, 0x02); rt2800_bbp_write(rt2x00dev, 82, 0x82); rt2800_bbp_write(rt2x00dev, 106, 0x05); rt2800_bbp_write(rt2x00dev, 104, 0x92); rt2800_bbp_write(rt2x00dev, 88, 0x90); rt2800_bbp_write(rt2x00dev, 148, 0xc8); rt2800_bbp_write(rt2x00dev, 47, 0x48); rt2800_bbp_write(rt2x00dev, 120, 0x50); if (txbf_enabled) rt2800_bbp_write(rt2x00dev, 163, 0xbd); else rt2800_bbp_write(rt2x00dev, 163, 0x9d); /* SNR mapping */ rt2800_bbp_write(rt2x00dev, 142, 6); rt2800_bbp_write(rt2x00dev, 143, 160); rt2800_bbp_write(rt2x00dev, 142, 7); rt2800_bbp_write(rt2x00dev, 143, 161); rt2800_bbp_write(rt2x00dev, 142, 8); rt2800_bbp_write(rt2x00dev, 143, 162); /* ADC/DAC control */ rt2800_bbp_write(rt2x00dev, 31, 0x08); /* RX AGC energy lower bound in log2 */ rt2800_bbp_write(rt2x00dev, 68, 0x0b); /* FIXME: BBP 105 owerwrite? */ rt2800_bbp_write(rt2x00dev, 105, 0x04); } static void rt2800_init_rfcsr_3593(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u32 reg; u8 rfcsr; /* Disable GPIO #4 and #7 function for LAN PE control */ reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH); rt2x00_set_field32(®, GPIO_SWITCH_4, 0); rt2x00_set_field32(®, GPIO_SWITCH_7, 0); rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg); /* Initialize default register values */ rt2800_rfcsr_write(rt2x00dev, 1, 0x03); rt2800_rfcsr_write(rt2x00dev, 3, 0x80); rt2800_rfcsr_write(rt2x00dev, 5, 0x00); rt2800_rfcsr_write(rt2x00dev, 6, 0x40); rt2800_rfcsr_write(rt2x00dev, 8, 0xf1); rt2800_rfcsr_write(rt2x00dev, 9, 0x02); rt2800_rfcsr_write(rt2x00dev, 10, 0xd3); rt2800_rfcsr_write(rt2x00dev, 11, 0x40); rt2800_rfcsr_write(rt2x00dev, 12, 0x4e); rt2800_rfcsr_write(rt2x00dev, 13, 0x12); rt2800_rfcsr_write(rt2x00dev, 18, 0x40); rt2800_rfcsr_write(rt2x00dev, 22, 0x20); rt2800_rfcsr_write(rt2x00dev, 30, 0x10); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x78); rt2800_rfcsr_write(rt2x00dev, 33, 0x3b); rt2800_rfcsr_write(rt2x00dev, 34, 0x3c); rt2800_rfcsr_write(rt2x00dev, 35, 0xe0); rt2800_rfcsr_write(rt2x00dev, 38, 0x86); rt2800_rfcsr_write(rt2x00dev, 39, 0x23); rt2800_rfcsr_write(rt2x00dev, 44, 0xd3); rt2800_rfcsr_write(rt2x00dev, 45, 0xbb); rt2800_rfcsr_write(rt2x00dev, 46, 0x60); rt2800_rfcsr_write(rt2x00dev, 49, 0x8e); rt2800_rfcsr_write(rt2x00dev, 50, 0x86); rt2800_rfcsr_write(rt2x00dev, 51, 0x75); rt2800_rfcsr_write(rt2x00dev, 52, 0x45); rt2800_rfcsr_write(rt2x00dev, 53, 0x18); rt2800_rfcsr_write(rt2x00dev, 54, 0x18); rt2800_rfcsr_write(rt2x00dev, 55, 0x18); rt2800_rfcsr_write(rt2x00dev, 56, 0xdb); rt2800_rfcsr_write(rt2x00dev, 57, 0x6e); /* Initiate calibration */ /* TODO: use rt2800_rf_init_calibration ? */ rfcsr = rt2800_rfcsr_read(rt2x00dev, 2); rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 2, rfcsr); rt2800_freq_cal_mode1(rt2x00dev); rfcsr = rt2800_rfcsr_read(rt2x00dev, 18); rt2x00_set_field8(&rfcsr, RFCSR18_XO_TUNE_BYPASS, 1); rt2800_rfcsr_write(rt2x00dev, 18, rfcsr); reg = rt2800_register_read(rt2x00dev, LDO_CFG0); rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); usleep_range(1000, 1500); reg = rt2800_register_read(rt2x00dev, LDO_CFG0); rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 0); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); /* Set initial values for RX filter calibration */ drv_data->calibration_bw20 = 0x1f; drv_data->calibration_bw40 = 0x2f; /* Save BBP 25 & 26 values for later use in channel switching */ drv_data->bbp25 = rt2800_bbp_read(rt2x00dev, 25); drv_data->bbp26 = rt2800_bbp_read(rt2x00dev, 26); rt2800_led_open_drain_enable(rt2x00dev); rt2800_normal_mode_setup_3593(rt2x00dev); rt3593_post_bbp_init(rt2x00dev); /* TODO: enable stream mode support */ } static void rt2800_init_rfcsr_5350(struct rt2x00_dev *rt2x00dev) { rt2800_rfcsr_write(rt2x00dev, 0, 0xf0); rt2800_rfcsr_write(rt2x00dev, 1, 0x23); rt2800_rfcsr_write(rt2x00dev, 2, 0x50); rt2800_rfcsr_write(rt2x00dev, 3, 0x08); rt2800_rfcsr_write(rt2x00dev, 4, 0x49); rt2800_rfcsr_write(rt2x00dev, 5, 0x10); rt2800_rfcsr_write(rt2x00dev, 6, 0xe0); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 8, 0xf1); rt2800_rfcsr_write(rt2x00dev, 9, 0x02); rt2800_rfcsr_write(rt2x00dev, 10, 0x53); rt2800_rfcsr_write(rt2x00dev, 11, 0x4a); rt2800_rfcsr_write(rt2x00dev, 12, 0x46); if (rt2800_clk_is_20mhz(rt2x00dev)) rt2800_rfcsr_write(rt2x00dev, 13, 0x1f); else rt2800_rfcsr_write(rt2x00dev, 13, 0x9f); rt2800_rfcsr_write(rt2x00dev, 14, 0x00); rt2800_rfcsr_write(rt2x00dev, 15, 0x00); rt2800_rfcsr_write(rt2x00dev, 16, 0xc0); rt2800_rfcsr_write(rt2x00dev, 18, 0x03); rt2800_rfcsr_write(rt2x00dev, 19, 0x00); rt2800_rfcsr_write(rt2x00dev, 20, 0x00); rt2800_rfcsr_write(rt2x00dev, 21, 0x00); rt2800_rfcsr_write(rt2x00dev, 22, 0x20); rt2800_rfcsr_write(rt2x00dev, 23, 0x00); rt2800_rfcsr_write(rt2x00dev, 24, 0x00); rt2800_rfcsr_write(rt2x00dev, 25, 0x80); rt2800_rfcsr_write(rt2x00dev, 26, 0x00); rt2800_rfcsr_write(rt2x00dev, 27, 0x03); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0xd0); rt2800_rfcsr_write(rt2x00dev, 30, 0x10); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x80); rt2800_rfcsr_write(rt2x00dev, 33, 0x00); rt2800_rfcsr_write(rt2x00dev, 34, 0x07); rt2800_rfcsr_write(rt2x00dev, 35, 0x12); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 37, 0x08); rt2800_rfcsr_write(rt2x00dev, 38, 0x85); rt2800_rfcsr_write(rt2x00dev, 39, 0x1b); rt2800_rfcsr_write(rt2x00dev, 40, 0x0b); rt2800_rfcsr_write(rt2x00dev, 41, 0xbb); rt2800_rfcsr_write(rt2x00dev, 42, 0xd5); rt2800_rfcsr_write(rt2x00dev, 43, 0x9b); rt2800_rfcsr_write(rt2x00dev, 44, 0x0c); rt2800_rfcsr_write(rt2x00dev, 45, 0xa6); rt2800_rfcsr_write(rt2x00dev, 46, 0x73); rt2800_rfcsr_write(rt2x00dev, 47, 0x00); rt2800_rfcsr_write(rt2x00dev, 48, 0x10); rt2800_rfcsr_write(rt2x00dev, 49, 0x80); rt2800_rfcsr_write(rt2x00dev, 50, 0x00); rt2800_rfcsr_write(rt2x00dev, 51, 0x00); rt2800_rfcsr_write(rt2x00dev, 52, 0x38); rt2800_rfcsr_write(rt2x00dev, 53, 0x00); rt2800_rfcsr_write(rt2x00dev, 54, 0x38); rt2800_rfcsr_write(rt2x00dev, 55, 0x43); rt2800_rfcsr_write(rt2x00dev, 56, 0x82); rt2800_rfcsr_write(rt2x00dev, 57, 0x00); rt2800_rfcsr_write(rt2x00dev, 58, 0x39); rt2800_rfcsr_write(rt2x00dev, 59, 0x0b); rt2800_rfcsr_write(rt2x00dev, 60, 0x45); rt2800_rfcsr_write(rt2x00dev, 61, 0xd1); rt2800_rfcsr_write(rt2x00dev, 62, 0x00); rt2800_rfcsr_write(rt2x00dev, 63, 0x00); } static void rt2800_init_rfcsr_3883(struct rt2x00_dev *rt2x00dev) { u8 rfcsr; /* TODO: get the actual ECO value from the SoC */ const unsigned int eco = 5; rt2800_rf_init_calibration(rt2x00dev, 2); rt2800_rfcsr_write(rt2x00dev, 0, 0xe0); rt2800_rfcsr_write(rt2x00dev, 1, 0x03); rt2800_rfcsr_write(rt2x00dev, 2, 0x50); rt2800_rfcsr_write(rt2x00dev, 3, 0x20); rt2800_rfcsr_write(rt2x00dev, 4, 0x00); rt2800_rfcsr_write(rt2x00dev, 5, 0x00); rt2800_rfcsr_write(rt2x00dev, 6, 0x40); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 8, 0x5b); rt2800_rfcsr_write(rt2x00dev, 9, 0x08); rt2800_rfcsr_write(rt2x00dev, 10, 0xd3); rt2800_rfcsr_write(rt2x00dev, 11, 0x48); rt2800_rfcsr_write(rt2x00dev, 12, 0x1a); rt2800_rfcsr_write(rt2x00dev, 13, 0x12); rt2800_rfcsr_write(rt2x00dev, 14, 0x00); rt2800_rfcsr_write(rt2x00dev, 15, 0x00); rt2800_rfcsr_write(rt2x00dev, 16, 0x00); /* RFCSR 17 will be initialized later based on the * frequency offset stored in the EEPROM */ rt2800_rfcsr_write(rt2x00dev, 18, 0x40); rt2800_rfcsr_write(rt2x00dev, 19, 0x00); rt2800_rfcsr_write(rt2x00dev, 20, 0x00); rt2800_rfcsr_write(rt2x00dev, 21, 0x00); rt2800_rfcsr_write(rt2x00dev, 22, 0x20); rt2800_rfcsr_write(rt2x00dev, 23, 0xc0); rt2800_rfcsr_write(rt2x00dev, 24, 0x00); rt2800_rfcsr_write(rt2x00dev, 25, 0x00); rt2800_rfcsr_write(rt2x00dev, 26, 0x00); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x00); rt2800_rfcsr_write(rt2x00dev, 30, 0x10); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x80); rt2800_rfcsr_write(rt2x00dev, 33, 0x00); rt2800_rfcsr_write(rt2x00dev, 34, 0x20); rt2800_rfcsr_write(rt2x00dev, 35, 0x00); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 37, 0x00); rt2800_rfcsr_write(rt2x00dev, 38, 0x86); rt2800_rfcsr_write(rt2x00dev, 39, 0x23); rt2800_rfcsr_write(rt2x00dev, 40, 0x00); rt2800_rfcsr_write(rt2x00dev, 41, 0x00); rt2800_rfcsr_write(rt2x00dev, 42, 0x00); rt2800_rfcsr_write(rt2x00dev, 43, 0x00); rt2800_rfcsr_write(rt2x00dev, 44, 0x93); rt2800_rfcsr_write(rt2x00dev, 45, 0xbb); rt2800_rfcsr_write(rt2x00dev, 46, 0x60); rt2800_rfcsr_write(rt2x00dev, 47, 0x00); rt2800_rfcsr_write(rt2x00dev, 48, 0x00); rt2800_rfcsr_write(rt2x00dev, 49, 0x8e); rt2800_rfcsr_write(rt2x00dev, 50, 0x86); rt2800_rfcsr_write(rt2x00dev, 51, 0x51); rt2800_rfcsr_write(rt2x00dev, 52, 0x05); rt2800_rfcsr_write(rt2x00dev, 53, 0x76); rt2800_rfcsr_write(rt2x00dev, 54, 0x76); rt2800_rfcsr_write(rt2x00dev, 55, 0x76); rt2800_rfcsr_write(rt2x00dev, 56, 0xdb); rt2800_rfcsr_write(rt2x00dev, 57, 0x3e); rt2800_rfcsr_write(rt2x00dev, 58, 0x00); rt2800_rfcsr_write(rt2x00dev, 59, 0x00); rt2800_rfcsr_write(rt2x00dev, 60, 0x00); rt2800_rfcsr_write(rt2x00dev, 61, 0x00); rt2800_rfcsr_write(rt2x00dev, 62, 0x00); rt2800_rfcsr_write(rt2x00dev, 63, 0x00); /* TODO: rx filter calibration? */ rt2800_bbp_write(rt2x00dev, 137, 0x0f); rt2800_bbp_write(rt2x00dev, 163, 0x9d); rt2800_bbp_write(rt2x00dev, 105, 0x05); rt2800_bbp_write(rt2x00dev, 179, 0x02); rt2800_bbp_write(rt2x00dev, 180, 0x00); rt2800_bbp_write(rt2x00dev, 182, 0x40); rt2800_bbp_write(rt2x00dev, 180, 0x01); rt2800_bbp_write(rt2x00dev, 182, 0x9c); rt2800_bbp_write(rt2x00dev, 179, 0x00); rt2800_bbp_write(rt2x00dev, 142, 0x04); rt2800_bbp_write(rt2x00dev, 143, 0x3b); rt2800_bbp_write(rt2x00dev, 142, 0x06); rt2800_bbp_write(rt2x00dev, 143, 0xa0); rt2800_bbp_write(rt2x00dev, 142, 0x07); rt2800_bbp_write(rt2x00dev, 143, 0xa1); rt2800_bbp_write(rt2x00dev, 142, 0x08); rt2800_bbp_write(rt2x00dev, 143, 0xa2); rt2800_bbp_write(rt2x00dev, 148, 0xc8); if (eco == 5) { rt2800_rfcsr_write(rt2x00dev, 32, 0xd8); rt2800_rfcsr_write(rt2x00dev, 33, 0x32); } rfcsr = rt2800_rfcsr_read(rt2x00dev, 2); rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_BP, 0); rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 2, rfcsr); msleep(1); rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 0); rt2800_rfcsr_write(rt2x00dev, 2, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 6); rfcsr |= 0xc0; rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 22); rfcsr |= 0x20; rt2800_rfcsr_write(rt2x00dev, 22, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 46); rfcsr |= 0x20; rt2800_rfcsr_write(rt2x00dev, 46, rfcsr); rfcsr = rt2800_rfcsr_read(rt2x00dev, 20); rfcsr &= ~0xee; rt2800_rfcsr_write(rt2x00dev, 20, rfcsr); } static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev) { rt2800_rf_init_calibration(rt2x00dev, 2); rt2800_rfcsr_write(rt2x00dev, 1, 0x0f); rt2800_rfcsr_write(rt2x00dev, 2, 0x80); rt2800_rfcsr_write(rt2x00dev, 3, 0x88); rt2800_rfcsr_write(rt2x00dev, 5, 0x10); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 6, 0xe0); else rt2800_rfcsr_write(rt2x00dev, 6, 0xa0); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 10, 0x53); rt2800_rfcsr_write(rt2x00dev, 11, 0x4a); rt2800_rfcsr_write(rt2x00dev, 12, 0x46); rt2800_rfcsr_write(rt2x00dev, 13, 0x9f); rt2800_rfcsr_write(rt2x00dev, 14, 0x00); rt2800_rfcsr_write(rt2x00dev, 15, 0x00); rt2800_rfcsr_write(rt2x00dev, 16, 0x00); rt2800_rfcsr_write(rt2x00dev, 18, 0x03); rt2800_rfcsr_write(rt2x00dev, 19, 0x00); rt2800_rfcsr_write(rt2x00dev, 20, 0x00); rt2800_rfcsr_write(rt2x00dev, 21, 0x00); rt2800_rfcsr_write(rt2x00dev, 22, 0x20); rt2800_rfcsr_write(rt2x00dev, 23, 0x00); rt2800_rfcsr_write(rt2x00dev, 24, 0x00); if (rt2x00_is_usb(rt2x00dev) && rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 25, 0x80); else rt2800_rfcsr_write(rt2x00dev, 25, 0xc0); rt2800_rfcsr_write(rt2x00dev, 26, 0x00); rt2800_rfcsr_write(rt2x00dev, 27, 0x09); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x10); rt2800_rfcsr_write(rt2x00dev, 30, 0x10); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x80); rt2800_rfcsr_write(rt2x00dev, 33, 0x00); rt2800_rfcsr_write(rt2x00dev, 34, 0x07); rt2800_rfcsr_write(rt2x00dev, 35, 0x12); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 37, 0x08); rt2800_rfcsr_write(rt2x00dev, 38, 0x85); rt2800_rfcsr_write(rt2x00dev, 39, 0x1b); rt2800_rfcsr_write(rt2x00dev, 40, 0x0b); rt2800_rfcsr_write(rt2x00dev, 41, 0xbb); rt2800_rfcsr_write(rt2x00dev, 42, 0xd2); rt2800_rfcsr_write(rt2x00dev, 43, 0x9a); rt2800_rfcsr_write(rt2x00dev, 44, 0x0e); rt2800_rfcsr_write(rt2x00dev, 45, 0xa2); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 46, 0x73); else rt2800_rfcsr_write(rt2x00dev, 46, 0x7b); rt2800_rfcsr_write(rt2x00dev, 47, 0x00); rt2800_rfcsr_write(rt2x00dev, 48, 0x10); rt2800_rfcsr_write(rt2x00dev, 49, 0x94); rt2800_rfcsr_write(rt2x00dev, 52, 0x38); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 53, 0x00); else rt2800_rfcsr_write(rt2x00dev, 53, 0x84); rt2800_rfcsr_write(rt2x00dev, 54, 0x78); rt2800_rfcsr_write(rt2x00dev, 55, 0x44); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 56, 0x42); else rt2800_rfcsr_write(rt2x00dev, 56, 0x22); rt2800_rfcsr_write(rt2x00dev, 57, 0x80); rt2800_rfcsr_write(rt2x00dev, 58, 0x7f); rt2800_rfcsr_write(rt2x00dev, 59, 0x8f); rt2800_rfcsr_write(rt2x00dev, 60, 0x45); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) { if (rt2x00_is_usb(rt2x00dev)) rt2800_rfcsr_write(rt2x00dev, 61, 0xd1); else rt2800_rfcsr_write(rt2x00dev, 61, 0xd5); } else { if (rt2x00_is_usb(rt2x00dev)) rt2800_rfcsr_write(rt2x00dev, 61, 0xdd); else rt2800_rfcsr_write(rt2x00dev, 61, 0xb5); } rt2800_rfcsr_write(rt2x00dev, 62, 0x00); rt2800_rfcsr_write(rt2x00dev, 63, 0x00); rt2800_normal_mode_setup_5xxx(rt2x00dev); rt2800_led_open_drain_enable(rt2x00dev); } static void rt2800_init_rfcsr_5392(struct rt2x00_dev *rt2x00dev) { rt2800_rf_init_calibration(rt2x00dev, 2); rt2800_rfcsr_write(rt2x00dev, 1, 0x17); rt2800_rfcsr_write(rt2x00dev, 3, 0x88); rt2800_rfcsr_write(rt2x00dev, 5, 0x10); rt2800_rfcsr_write(rt2x00dev, 6, 0xe0); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 10, 0x53); rt2800_rfcsr_write(rt2x00dev, 11, 0x4a); rt2800_rfcsr_write(rt2x00dev, 12, 0x46); rt2800_rfcsr_write(rt2x00dev, 13, 0x9f); rt2800_rfcsr_write(rt2x00dev, 14, 0x00); rt2800_rfcsr_write(rt2x00dev, 15, 0x00); rt2800_rfcsr_write(rt2x00dev, 16, 0x00); rt2800_rfcsr_write(rt2x00dev, 18, 0x03); rt2800_rfcsr_write(rt2x00dev, 19, 0x4d); rt2800_rfcsr_write(rt2x00dev, 20, 0x00); rt2800_rfcsr_write(rt2x00dev, 21, 0x8d); rt2800_rfcsr_write(rt2x00dev, 22, 0x20); rt2800_rfcsr_write(rt2x00dev, 23, 0x0b); rt2800_rfcsr_write(rt2x00dev, 24, 0x44); rt2800_rfcsr_write(rt2x00dev, 25, 0x80); rt2800_rfcsr_write(rt2x00dev, 26, 0x82); rt2800_rfcsr_write(rt2x00dev, 27, 0x09); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x10); rt2800_rfcsr_write(rt2x00dev, 30, 0x10); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x20); rt2800_rfcsr_write(rt2x00dev, 33, 0xC0); rt2800_rfcsr_write(rt2x00dev, 34, 0x07); rt2800_rfcsr_write(rt2x00dev, 35, 0x12); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 37, 0x08); rt2800_rfcsr_write(rt2x00dev, 38, 0x89); rt2800_rfcsr_write(rt2x00dev, 39, 0x1b); rt2800_rfcsr_write(rt2x00dev, 40, 0x0f); rt2800_rfcsr_write(rt2x00dev, 41, 0xbb); rt2800_rfcsr_write(rt2x00dev, 42, 0xd5); rt2800_rfcsr_write(rt2x00dev, 43, 0x9b); rt2800_rfcsr_write(rt2x00dev, 44, 0x0e); rt2800_rfcsr_write(rt2x00dev, 45, 0xa2); rt2800_rfcsr_write(rt2x00dev, 46, 0x73); rt2800_rfcsr_write(rt2x00dev, 47, 0x0c); rt2800_rfcsr_write(rt2x00dev, 48, 0x10); rt2800_rfcsr_write(rt2x00dev, 49, 0x94); rt2800_rfcsr_write(rt2x00dev, 50, 0x94); rt2800_rfcsr_write(rt2x00dev, 51, 0x3a); rt2800_rfcsr_write(rt2x00dev, 52, 0x48); rt2800_rfcsr_write(rt2x00dev, 53, 0x44); rt2800_rfcsr_write(rt2x00dev, 54, 0x38); rt2800_rfcsr_write(rt2x00dev, 55, 0x43); rt2800_rfcsr_write(rt2x00dev, 56, 0xa1); rt2800_rfcsr_write(rt2x00dev, 57, 0x00); rt2800_rfcsr_write(rt2x00dev, 58, 0x39); rt2800_rfcsr_write(rt2x00dev, 59, 0x07); rt2800_rfcsr_write(rt2x00dev, 60, 0x45); rt2800_rfcsr_write(rt2x00dev, 61, 0x91); rt2800_rfcsr_write(rt2x00dev, 62, 0x39); rt2800_rfcsr_write(rt2x00dev, 63, 0x07); rt2800_normal_mode_setup_5xxx(rt2x00dev); rt2800_led_open_drain_enable(rt2x00dev); } static void rt2800_init_rfcsr_5592(struct rt2x00_dev *rt2x00dev) { rt2800_rf_init_calibration(rt2x00dev, 30); rt2800_rfcsr_write(rt2x00dev, 1, 0x3F); rt2800_rfcsr_write(rt2x00dev, 3, 0x08); rt2800_rfcsr_write(rt2x00dev, 5, 0x10); rt2800_rfcsr_write(rt2x00dev, 6, 0xE4); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 14, 0x00); rt2800_rfcsr_write(rt2x00dev, 15, 0x00); rt2800_rfcsr_write(rt2x00dev, 16, 0x00); rt2800_rfcsr_write(rt2x00dev, 18, 0x03); rt2800_rfcsr_write(rt2x00dev, 19, 0x4D); rt2800_rfcsr_write(rt2x00dev, 20, 0x10); rt2800_rfcsr_write(rt2x00dev, 21, 0x8D); rt2800_rfcsr_write(rt2x00dev, 26, 0x82); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x10); rt2800_rfcsr_write(rt2x00dev, 33, 0xC0); rt2800_rfcsr_write(rt2x00dev, 34, 0x07); rt2800_rfcsr_write(rt2x00dev, 35, 0x12); rt2800_rfcsr_write(rt2x00dev, 47, 0x0C); rt2800_rfcsr_write(rt2x00dev, 53, 0x22); rt2800_rfcsr_write(rt2x00dev, 63, 0x07); rt2800_rfcsr_write(rt2x00dev, 2, 0x80); msleep(1); rt2800_freq_cal_mode1(rt2x00dev); /* Enable DC filter */ if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) rt2800_bbp_write(rt2x00dev, 103, 0xc0); rt2800_normal_mode_setup_5xxx(rt2x00dev); if (rt2x00_rt_rev_lt(rt2x00dev, RT5592, REV_RT5592C)) rt2800_rfcsr_write(rt2x00dev, 27, 0x03); rt2800_led_open_drain_enable(rt2x00dev); } static void rt2800_rf_self_txdc_cal(struct rt2x00_dev *rt2x00dev) { u8 rfb5r1_org, rfb7r1_org, rfvalue; u32 mac0518, mac051c, mac0528, mac052c; u8 i; mac0518 = rt2800_register_read(rt2x00dev, RF_CONTROL0); mac051c = rt2800_register_read(rt2x00dev, RF_BYPASS0); mac0528 = rt2800_register_read(rt2x00dev, RF_CONTROL2); mac052c = rt2800_register_read(rt2x00dev, RF_BYPASS2); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x0); rt2800_register_write(rt2x00dev, RF_BYPASS2, 0x0); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0xC); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x3306); rt2800_register_write(rt2x00dev, RF_CONTROL2, 0x3330); rt2800_register_write(rt2x00dev, RF_BYPASS2, 0xfffff); rfb5r1_org = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1); rfb7r1_org = rt2800_rfcsr_read_bank(rt2x00dev, 7, 1); rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, 0x4); for (i = 0; i < 100; ++i) { usleep_range(50, 100); rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1); if ((rfvalue & 0x04) != 0x4) break; } rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, rfb5r1_org); rt2800_rfcsr_write_bank(rt2x00dev, 7, 1, 0x4); for (i = 0; i < 100; ++i) { usleep_range(50, 100); rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 1); if ((rfvalue & 0x04) != 0x4) break; } rt2800_rfcsr_write_bank(rt2x00dev, 7, 1, rfb7r1_org); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x0); rt2800_register_write(rt2x00dev, RF_BYPASS2, 0x0); rt2800_register_write(rt2x00dev, RF_CONTROL0, mac0518); rt2800_register_write(rt2x00dev, RF_BYPASS0, mac051c); rt2800_register_write(rt2x00dev, RF_CONTROL2, mac0528); rt2800_register_write(rt2x00dev, RF_BYPASS2, mac052c); } static int rt2800_calcrcalibrationcode(struct rt2x00_dev *rt2x00dev, int d1, int d2) { int calcode = ((d2 - d1) * 1000) / 43; if ((calcode % 10) >= 5) calcode += 10; calcode = (calcode / 10); return calcode; } static void rt2800_r_calibration(struct rt2x00_dev *rt2x00dev) { u32 savemacsysctrl; u8 saverfb0r1, saverfb0r34, saverfb0r35; u8 saverfb5r4, saverfb5r17, saverfb5r18; u8 saverfb5r19, saverfb5r20; u8 savebbpr22, savebbpr47, savebbpr49; u8 bytevalue = 0; int rcalcode; u8 r_cal_code = 0; s8 d1 = 0, d2 = 0; u8 rfvalue; u32 MAC_RF_BYPASS0, MAC_RF_CONTROL0, MAC_PWR_PIN_CFG; u32 maccfg; saverfb0r1 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1); saverfb0r34 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 34); saverfb0r35 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 35); saverfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); saverfb5r17 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17); saverfb5r18 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18); saverfb5r19 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19); saverfb5r20 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20); savebbpr22 = rt2800_bbp_read(rt2x00dev, 22); savebbpr47 = rt2800_bbp_read(rt2x00dev, 47); savebbpr49 = rt2800_bbp_read(rt2x00dev, 49); savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); MAC_RF_BYPASS0 = rt2800_register_read(rt2x00dev, RF_BYPASS0); MAC_RF_CONTROL0 = rt2800_register_read(rt2x00dev, RF_CONTROL0); MAC_PWR_PIN_CFG = rt2800_register_read(rt2x00dev, PWR_PIN_CFG); maccfg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); maccfg &= (~0x04); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, maccfg); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_TX))) rt2x00_warn(rt2x00dev, "Wait MAC Tx Status to MAX !!!\n"); maccfg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); maccfg &= (~0x08); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, maccfg); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_RX))) rt2x00_warn(rt2x00dev, "Wait MAC Rx Status to MAX !!!\n"); rfvalue = (MAC_RF_BYPASS0 | 0x3004); rt2800_register_write(rt2x00dev, RF_BYPASS0, rfvalue); rfvalue = (MAC_RF_CONTROL0 | (~0x3002)); rt2800_register_write(rt2x00dev, RF_CONTROL0, rfvalue); rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, 0x27); rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, 0x80); rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0x83); rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0x00); rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x20); rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, 0x00); rt2800_rfcsr_write_bank(rt2x00dev, 0, 34, 0x13); rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x00); rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x1); rt2800_bbp_write(rt2x00dev, 47, 0x04); rt2800_bbp_write(rt2x00dev, 22, 0x80); usleep_range(100, 200); bytevalue = rt2800_bbp_read(rt2x00dev, 49); if (bytevalue > 128) d1 = bytevalue - 256; else d1 = (s8)bytevalue; rt2800_bbp_write(rt2x00dev, 22, 0x0); rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x01); rt2800_bbp_write(rt2x00dev, 22, 0x80); usleep_range(100, 200); bytevalue = rt2800_bbp_read(rt2x00dev, 49); if (bytevalue > 128) d2 = bytevalue - 256; else d2 = (s8)bytevalue; rt2800_bbp_write(rt2x00dev, 22, 0x0); rcalcode = rt2800_calcrcalibrationcode(rt2x00dev, d1, d2); if (rcalcode < 0) r_cal_code = 256 + rcalcode; else r_cal_code = (u8)rcalcode; rt2800_rfcsr_write_bank(rt2x00dev, 0, 7, r_cal_code); rt2800_bbp_write(rt2x00dev, 22, 0x0); bytevalue = rt2800_bbp_read(rt2x00dev, 21); bytevalue |= 0x1; rt2800_bbp_write(rt2x00dev, 21, bytevalue); bytevalue = rt2800_bbp_read(rt2x00dev, 21); bytevalue &= (~0x1); rt2800_bbp_write(rt2x00dev, 21, bytevalue); rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, saverfb0r1); rt2800_rfcsr_write_bank(rt2x00dev, 0, 34, saverfb0r34); rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, saverfb0r35); rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r4); rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, saverfb5r17); rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, saverfb5r18); rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, saverfb5r19); rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, saverfb5r20); rt2800_bbp_write(rt2x00dev, 22, savebbpr22); rt2800_bbp_write(rt2x00dev, 47, savebbpr47); rt2800_bbp_write(rt2x00dev, 49, savebbpr49); rt2800_register_write(rt2x00dev, RF_BYPASS0, MAC_RF_BYPASS0); rt2800_register_write(rt2x00dev, RF_CONTROL0, MAC_RF_CONTROL0); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl); rt2800_register_write(rt2x00dev, PWR_PIN_CFG, MAC_PWR_PIN_CFG); } static void rt2800_rxdcoc_calibration(struct rt2x00_dev *rt2x00dev) { u8 bbpreg = 0; u32 macvalue = 0; u8 saverfb0r2, saverfb5r4, saverfb7r4, rfvalue; int i; saverfb0r2 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2); rfvalue = saverfb0r2; rfvalue |= 0x03; rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfvalue); rt2800_bbp_write(rt2x00dev, 158, 141); bbpreg = rt2800_bbp_read(rt2x00dev, 159); bbpreg |= 0x10; rt2800_bbp_write(rt2x00dev, 159, bbpreg); macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x8); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_TX))) rt2x00_warn(rt2x00dev, "RF TX busy in RX RXDCOC calibration\n"); saverfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); saverfb7r4 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4); saverfb5r4 = saverfb5r4 & (~0x40); saverfb7r4 = saverfb7r4 & (~0x40); rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x64); rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r4); rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, saverfb7r4); rt2800_bbp_write(rt2x00dev, 158, 140); bbpreg = rt2800_bbp_read(rt2x00dev, 159); bbpreg = bbpreg & (~0x40); rt2800_bbp_write(rt2x00dev, 159, bbpreg); bbpreg |= 0x48; rt2800_bbp_write(rt2x00dev, 159, bbpreg); for (i = 0; i < 10000; i++) { bbpreg = rt2800_bbp_read(rt2x00dev, 159); if ((bbpreg & 0x40) == 0) break; usleep_range(50, 100); } bbpreg = rt2800_bbp_read(rt2x00dev, 159); bbpreg = bbpreg & (~0x40); rt2800_bbp_write(rt2x00dev, 159, bbpreg); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); rt2800_bbp_write(rt2x00dev, 158, 141); bbpreg = rt2800_bbp_read(rt2x00dev, 159); bbpreg &= (~0x10); rt2800_bbp_write(rt2x00dev, 159, bbpreg); rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, saverfb0r2); } static u32 rt2800_do_sqrt_accumulation(u32 si) { u32 root, root_pre, bit; s8 i; bit = 1 << 15; root = 0; for (i = 15; i >= 0; i = i - 1) { root_pre = root + bit; if ((root_pre * root_pre) <= si) root = root_pre; bit = bit >> 1; } return root; } static void rt2800_rxiq_calibration(struct rt2x00_dev *rt2x00dev) { u8 rfb0r1, rfb0r2, rfb0r42; u8 rfb4r0, rfb4r19; u8 rfb5r3, rfb5r4, rfb5r17, rfb5r18, rfb5r19, rfb5r20; u8 rfb6r0, rfb6r19; u8 rfb7r3, rfb7r4, rfb7r17, rfb7r18, rfb7r19, rfb7r20; u8 bbp1, bbp4; u8 bbpr241, bbpr242; u32 i; u8 ch_idx; u8 bbpval; u8 rfval, vga_idx = 0; int mi = 0, mq = 0, si = 0, sq = 0, riq = 0; int sigma_i, sigma_q, r_iq, g_rx; int g_imb; int ph_rx; u32 savemacsysctrl = 0; u32 orig_RF_CONTROL0 = 0; u32 orig_RF_BYPASS0 = 0; u32 orig_RF_CONTROL1 = 0; u32 orig_RF_BYPASS1 = 0; u32 orig_RF_CONTROL3 = 0; u32 orig_RF_BYPASS3 = 0; u32 bbpval1 = 0; static const u8 rf_vga_table[] = {0x20, 0x21, 0x22, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f}; savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); orig_RF_CONTROL0 = rt2800_register_read(rt2x00dev, RF_CONTROL0); orig_RF_BYPASS0 = rt2800_register_read(rt2x00dev, RF_BYPASS0); orig_RF_CONTROL1 = rt2800_register_read(rt2x00dev, RF_CONTROL1); orig_RF_BYPASS1 = rt2800_register_read(rt2x00dev, RF_BYPASS1); orig_RF_CONTROL3 = rt2800_register_read(rt2x00dev, RF_CONTROL3); orig_RF_BYPASS3 = rt2800_register_read(rt2x00dev, RF_BYPASS3); bbp1 = rt2800_bbp_read(rt2x00dev, 1); bbp4 = rt2800_bbp_read(rt2x00dev, 4); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x0); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY))) rt2x00_warn(rt2x00dev, "Timeout waiting for MAC status in RXIQ calibration\n"); bbpval = bbp4 & (~0x18); bbpval = bbp4 | 0x00; rt2800_bbp_write(rt2x00dev, 4, bbpval); bbpval = rt2800_bbp_read(rt2x00dev, 21); bbpval = bbpval | 1; rt2800_bbp_write(rt2x00dev, 21, bbpval); bbpval = bbpval & 0xfe; rt2800_bbp_write(rt2x00dev, 21, bbpval); rt2800_register_write(rt2x00dev, RF_CONTROL1, 0x00000202); rt2800_register_write(rt2x00dev, RF_BYPASS1, 0x00000303); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x0101); else rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x0000); rt2800_register_write(rt2x00dev, RF_BYPASS3, 0xf1f1); rfb0r1 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1); rfb0r2 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2); rfb0r42 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42); rfb4r0 = rt2800_rfcsr_read_bank(rt2x00dev, 4, 0); rfb4r19 = rt2800_rfcsr_read_bank(rt2x00dev, 4, 19); rfb5r3 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3); rfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); rfb5r17 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17); rfb5r18 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18); rfb5r19 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19); rfb5r20 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20); rfb6r0 = rt2800_rfcsr_read_bank(rt2x00dev, 6, 0); rfb6r19 = rt2800_rfcsr_read_bank(rt2x00dev, 6, 19); rfb7r3 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 3); rfb7r4 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4); rfb7r17 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 17); rfb7r18 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 18); rfb7r19 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 19); rfb7r20 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 20); rt2800_rfcsr_write_chanreg(rt2x00dev, 0, 0x87); rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0x27); rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x38); rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x38); rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x80); rt2800_rfcsr_write_dccal(rt2x00dev, 18, 0xC1); rt2800_rfcsr_write_dccal(rt2x00dev, 19, 0x60); rt2800_rfcsr_write_dccal(rt2x00dev, 20, 0x00); rt2800_bbp_write(rt2x00dev, 23, 0x0); rt2800_bbp_write(rt2x00dev, 24, 0x0); rt2800_bbp_dcoc_write(rt2x00dev, 5, 0x0); bbpr241 = rt2800_bbp_read(rt2x00dev, 241); bbpr242 = rt2800_bbp_read(rt2x00dev, 242); rt2800_bbp_write(rt2x00dev, 241, 0x10); rt2800_bbp_write(rt2x00dev, 242, 0x84); rt2800_bbp_write(rt2x00dev, 244, 0x31); bbpval = rt2800_bbp_dcoc_read(rt2x00dev, 3); bbpval = bbpval & (~0x7); rt2800_bbp_dcoc_write(rt2x00dev, 3, bbpval); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004); udelay(1); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000006); usleep_range(1, 200); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00003376); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001006); udelay(1); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { rt2800_bbp_write(rt2x00dev, 23, 0x06); rt2800_bbp_write(rt2x00dev, 24, 0x06); } else { rt2800_bbp_write(rt2x00dev, 23, 0x02); rt2800_bbp_write(rt2x00dev, 24, 0x02); } for (ch_idx = 0; ch_idx < 2; ch_idx = ch_idx + 1) { if (ch_idx == 0) { rfval = rfb0r1 & (~0x3); rfval = rfb0r1 | 0x1; rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfval); rfval = rfb0r2 & (~0x33); rfval = rfb0r2 | 0x11; rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfval); rfval = rfb0r42 & (~0x50); rfval = rfb0r42 | 0x10; rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfval); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001006); udelay(1); bbpval = bbp1 & (~0x18); bbpval = bbpval | 0x00; rt2800_bbp_write(rt2x00dev, 1, bbpval); rt2800_bbp_dcoc_write(rt2x00dev, 1, 0x00); } else { rfval = rfb0r1 & (~0x3); rfval = rfb0r1 | 0x2; rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfval); rfval = rfb0r2 & (~0x33); rfval = rfb0r2 | 0x22; rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfval); rfval = rfb0r42 & (~0x50); rfval = rfb0r42 | 0x40; rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfval); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00002006); udelay(1); bbpval = bbp1 & (~0x18); bbpval = bbpval | 0x08; rt2800_bbp_write(rt2x00dev, 1, bbpval); rt2800_bbp_dcoc_write(rt2x00dev, 1, 0x01); } usleep_range(500, 1500); vga_idx = 0; while (vga_idx < 11) { rt2800_rfcsr_write_dccal(rt2x00dev, 3, rf_vga_table[vga_idx]); rt2800_rfcsr_write_dccal(rt2x00dev, 4, rf_vga_table[vga_idx]); rt2800_bbp_dcoc_write(rt2x00dev, 0, 0x93); for (i = 0; i < 10000; i++) { bbpval = rt2800_bbp_read(rt2x00dev, 159); if ((bbpval & 0xff) == 0x93) usleep_range(50, 100); else break; } if ((bbpval & 0xff) == 0x93) { rt2x00_warn(rt2x00dev, "Fatal Error: Calibration doesn't finish"); goto restore_value; } for (i = 0; i < 5; i++) { u32 bbptemp = 0; u8 value = 0; int result = 0; rt2800_bbp_write(rt2x00dev, 158, 0x1e); rt2800_bbp_write(rt2x00dev, 159, i); rt2800_bbp_write(rt2x00dev, 158, 0x22); value = rt2800_bbp_read(rt2x00dev, 159); bbptemp = bbptemp + (value << 24); rt2800_bbp_write(rt2x00dev, 158, 0x21); value = rt2800_bbp_read(rt2x00dev, 159); bbptemp = bbptemp + (value << 16); rt2800_bbp_write(rt2x00dev, 158, 0x20); value = rt2800_bbp_read(rt2x00dev, 159); bbptemp = bbptemp + (value << 8); rt2800_bbp_write(rt2x00dev, 158, 0x1f); value = rt2800_bbp_read(rt2x00dev, 159); bbptemp = bbptemp + value; if (i < 2 && (bbptemp & 0x800000)) result = (bbptemp & 0xffffff) - 0x1000000; else result = bbptemp; if (i == 0) mi = result / 4096; else if (i == 1) mq = result / 4096; else if (i == 2) si = bbptemp / 4096; else if (i == 3) sq = bbptemp / 4096; else riq = result / 4096; } bbpval1 = si - mi * mi; rt2x00_dbg(rt2x00dev, "RXIQ si=%d, sq=%d, riq=%d, bbpval %d, vga_idx %d", si, sq, riq, bbpval1, vga_idx); if (bbpval1 >= (100 * 100)) break; if (bbpval1 <= 100) vga_idx = vga_idx + 9; else if (bbpval1 <= 158) vga_idx = vga_idx + 8; else if (bbpval1 <= 251) vga_idx = vga_idx + 7; else if (bbpval1 <= 398) vga_idx = vga_idx + 6; else if (bbpval1 <= 630) vga_idx = vga_idx + 5; else if (bbpval1 <= 1000) vga_idx = vga_idx + 4; else if (bbpval1 <= 1584) vga_idx = vga_idx + 3; else if (bbpval1 <= 2511) vga_idx = vga_idx + 2; else vga_idx = vga_idx + 1; } sigma_i = rt2800_do_sqrt_accumulation(100 * (si - mi * mi)); sigma_q = rt2800_do_sqrt_accumulation(100 * (sq - mq * mq)); r_iq = 10 * (riq - (mi * mq)); rt2x00_dbg(rt2x00dev, "Sigma_i=%d, Sigma_q=%d, R_iq=%d", sigma_i, sigma_q, r_iq); if (sigma_i <= 1400 && sigma_i >= 1000 && (sigma_i - sigma_q) <= 112 && (sigma_i - sigma_q) >= -112 && mi <= 32 && mi >= -32 && mq <= 32 && mq >= -32) { r_iq = 10 * (riq - (mi * mq)); rt2x00_dbg(rt2x00dev, "RXIQ Sigma_i=%d, Sigma_q=%d, R_iq=%d\n", sigma_i, sigma_q, r_iq); g_rx = (1000 * sigma_q) / sigma_i; g_imb = ((-2) * 128 * (1000 - g_rx)) / (1000 + g_rx); ph_rx = (r_iq * 2292) / (sigma_i * sigma_q); if (ph_rx > 20 || ph_rx < -20) { ph_rx = 0; rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL"); } if (g_imb > 12 || g_imb < -12) { g_imb = 0; rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL"); } } else { g_imb = 0; ph_rx = 0; rt2x00_dbg(rt2x00dev, "RXIQ Sigma_i=%d, Sigma_q=%d, R_iq=%d\n", sigma_i, sigma_q, r_iq); rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL"); } if (ch_idx == 0) { rt2800_bbp_write(rt2x00dev, 158, 0x37); rt2800_bbp_write(rt2x00dev, 159, g_imb & 0x3f); rt2800_bbp_write(rt2x00dev, 158, 0x35); rt2800_bbp_write(rt2x00dev, 159, ph_rx & 0x3f); } else { rt2800_bbp_write(rt2x00dev, 158, 0x55); rt2800_bbp_write(rt2x00dev, 159, g_imb & 0x3f); rt2800_bbp_write(rt2x00dev, 158, 0x53); rt2800_bbp_write(rt2x00dev, 159, ph_rx & 0x3f); } } restore_value: rt2800_bbp_write(rt2x00dev, 158, 0x3); bbpval = rt2800_bbp_read(rt2x00dev, 159); rt2800_bbp_write(rt2x00dev, 159, (bbpval | 0x07)); rt2800_bbp_write(rt2x00dev, 158, 0x00); rt2800_bbp_write(rt2x00dev, 159, 0x00); rt2800_bbp_write(rt2x00dev, 1, bbp1); rt2800_bbp_write(rt2x00dev, 4, bbp4); rt2800_bbp_write(rt2x00dev, 241, bbpr241); rt2800_bbp_write(rt2x00dev, 242, bbpr242); rt2800_bbp_write(rt2x00dev, 244, 0x00); bbpval = rt2800_bbp_read(rt2x00dev, 21); bbpval |= 0x1; rt2800_bbp_write(rt2x00dev, 21, bbpval); usleep_range(10, 200); bbpval &= 0xfe; rt2800_bbp_write(rt2x00dev, 21, bbpval); rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfb0r1); rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfb0r2); rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfb0r42); rt2800_rfcsr_write_bank(rt2x00dev, 4, 0, rfb4r0); rt2800_rfcsr_write_bank(rt2x00dev, 4, 19, rfb4r19); rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, rfb5r3); rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, rfb5r4); rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, rfb5r17); rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, rfb5r18); rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, rfb5r19); rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, rfb5r20); rt2800_rfcsr_write_bank(rt2x00dev, 6, 0, rfb6r0); rt2800_rfcsr_write_bank(rt2x00dev, 6, 19, rfb6r19); rt2800_rfcsr_write_bank(rt2x00dev, 7, 3, rfb7r3); rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, rfb7r4); rt2800_rfcsr_write_bank(rt2x00dev, 7, 17, rfb7r17); rt2800_rfcsr_write_bank(rt2x00dev, 7, 18, rfb7r18); rt2800_rfcsr_write_bank(rt2x00dev, 7, 19, rfb7r19); rt2800_rfcsr_write_bank(rt2x00dev, 7, 20, rfb7r20); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000006); udelay(1); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004); udelay(1); rt2800_register_write(rt2x00dev, RF_CONTROL0, orig_RF_CONTROL0); udelay(1); rt2800_register_write(rt2x00dev, RF_BYPASS0, orig_RF_BYPASS0); rt2800_register_write(rt2x00dev, RF_CONTROL1, orig_RF_CONTROL1); rt2800_register_write(rt2x00dev, RF_BYPASS1, orig_RF_BYPASS1); rt2800_register_write(rt2x00dev, RF_CONTROL3, orig_RF_CONTROL3); rt2800_register_write(rt2x00dev, RF_BYPASS3, orig_RF_BYPASS3); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl); } static void rt2800_rf_configstore(struct rt2x00_dev *rt2x00dev, struct rf_reg_pair rf_reg_record[][13], u8 chain) { u8 rfvalue = 0; if (chain == CHAIN_0) { rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1); rf_reg_record[CHAIN_0][0].bank = 0; rf_reg_record[CHAIN_0][0].reg = 1; rf_reg_record[CHAIN_0][0].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2); rf_reg_record[CHAIN_0][1].bank = 0; rf_reg_record[CHAIN_0][1].reg = 2; rf_reg_record[CHAIN_0][1].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 35); rf_reg_record[CHAIN_0][2].bank = 0; rf_reg_record[CHAIN_0][2].reg = 35; rf_reg_record[CHAIN_0][2].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42); rf_reg_record[CHAIN_0][3].bank = 0; rf_reg_record[CHAIN_0][3].reg = 42; rf_reg_record[CHAIN_0][3].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 4, 0); rf_reg_record[CHAIN_0][4].bank = 4; rf_reg_record[CHAIN_0][4].reg = 0; rf_reg_record[CHAIN_0][4].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 4, 2); rf_reg_record[CHAIN_0][5].bank = 4; rf_reg_record[CHAIN_0][5].reg = 2; rf_reg_record[CHAIN_0][5].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 4, 34); rf_reg_record[CHAIN_0][6].bank = 4; rf_reg_record[CHAIN_0][6].reg = 34; rf_reg_record[CHAIN_0][6].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3); rf_reg_record[CHAIN_0][7].bank = 5; rf_reg_record[CHAIN_0][7].reg = 3; rf_reg_record[CHAIN_0][7].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); rf_reg_record[CHAIN_0][8].bank = 5; rf_reg_record[CHAIN_0][8].reg = 4; rf_reg_record[CHAIN_0][8].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17); rf_reg_record[CHAIN_0][9].bank = 5; rf_reg_record[CHAIN_0][9].reg = 17; rf_reg_record[CHAIN_0][9].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18); rf_reg_record[CHAIN_0][10].bank = 5; rf_reg_record[CHAIN_0][10].reg = 18; rf_reg_record[CHAIN_0][10].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19); rf_reg_record[CHAIN_0][11].bank = 5; rf_reg_record[CHAIN_0][11].reg = 19; rf_reg_record[CHAIN_0][11].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20); rf_reg_record[CHAIN_0][12].bank = 5; rf_reg_record[CHAIN_0][12].reg = 20; rf_reg_record[CHAIN_0][12].value = rfvalue; } else if (chain == CHAIN_1) { rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1); rf_reg_record[CHAIN_1][0].bank = 0; rf_reg_record[CHAIN_1][0].reg = 1; rf_reg_record[CHAIN_1][0].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2); rf_reg_record[CHAIN_1][1].bank = 0; rf_reg_record[CHAIN_1][1].reg = 2; rf_reg_record[CHAIN_1][1].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 35); rf_reg_record[CHAIN_1][2].bank = 0; rf_reg_record[CHAIN_1][2].reg = 35; rf_reg_record[CHAIN_1][2].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42); rf_reg_record[CHAIN_1][3].bank = 0; rf_reg_record[CHAIN_1][3].reg = 42; rf_reg_record[CHAIN_1][3].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 6, 0); rf_reg_record[CHAIN_1][4].bank = 6; rf_reg_record[CHAIN_1][4].reg = 0; rf_reg_record[CHAIN_1][4].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 6, 2); rf_reg_record[CHAIN_1][5].bank = 6; rf_reg_record[CHAIN_1][5].reg = 2; rf_reg_record[CHAIN_1][5].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 6, 34); rf_reg_record[CHAIN_1][6].bank = 6; rf_reg_record[CHAIN_1][6].reg = 34; rf_reg_record[CHAIN_1][6].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 3); rf_reg_record[CHAIN_1][7].bank = 7; rf_reg_record[CHAIN_1][7].reg = 3; rf_reg_record[CHAIN_1][7].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4); rf_reg_record[CHAIN_1][8].bank = 7; rf_reg_record[CHAIN_1][8].reg = 4; rf_reg_record[CHAIN_1][8].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 17); rf_reg_record[CHAIN_1][9].bank = 7; rf_reg_record[CHAIN_1][9].reg = 17; rf_reg_record[CHAIN_1][9].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 18); rf_reg_record[CHAIN_1][10].bank = 7; rf_reg_record[CHAIN_1][10].reg = 18; rf_reg_record[CHAIN_1][10].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 19); rf_reg_record[CHAIN_1][11].bank = 7; rf_reg_record[CHAIN_1][11].reg = 19; rf_reg_record[CHAIN_1][11].value = rfvalue; rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 20); rf_reg_record[CHAIN_1][12].bank = 7; rf_reg_record[CHAIN_1][12].reg = 20; rf_reg_record[CHAIN_1][12].value = rfvalue; } else { rt2x00_warn(rt2x00dev, "Unknown chain = %u\n", chain); } } static void rt2800_rf_configrecover(struct rt2x00_dev *rt2x00dev, struct rf_reg_pair rf_record[][13]) { u8 chain_index = 0, record_index = 0; u8 bank = 0, rf_register = 0, value = 0; for (chain_index = 0; chain_index < 2; chain_index++) { for (record_index = 0; record_index < 13; record_index++) { bank = rf_record[chain_index][record_index].bank; rf_register = rf_record[chain_index][record_index].reg; value = rf_record[chain_index][record_index].value; rt2800_rfcsr_write_bank(rt2x00dev, bank, rf_register, value); rt2x00_dbg(rt2x00dev, "bank: %d, rf_register: %d, value: %x\n", bank, rf_register, value); } } } static void rt2800_setbbptonegenerator(struct rt2x00_dev *rt2x00dev) { rt2800_bbp_write(rt2x00dev, 158, 0xAA); rt2800_bbp_write(rt2x00dev, 159, 0x00); rt2800_bbp_write(rt2x00dev, 158, 0xAB); rt2800_bbp_write(rt2x00dev, 159, 0x0A); rt2800_bbp_write(rt2x00dev, 158, 0xAC); rt2800_bbp_write(rt2x00dev, 159, 0x3F); rt2800_bbp_write(rt2x00dev, 158, 0xAD); rt2800_bbp_write(rt2x00dev, 159, 0x3F); rt2800_bbp_write(rt2x00dev, 244, 0x40); } static u32 rt2800_do_fft_accumulation(struct rt2x00_dev *rt2x00dev, u8 tidx, u8 read_neg) { u32 macvalue = 0; int fftout_i = 0, fftout_q = 0; u32 ptmp = 0, pint = 0; u8 bbp = 0; u8 tidxi; rt2800_bbp_write(rt2x00dev, 158, 0x00); rt2800_bbp_write(rt2x00dev, 159, 0x9b); bbp = 0x9b; while (bbp == 0x9b) { usleep_range(10, 50); bbp = rt2800_bbp_read(rt2x00dev, 159); bbp = bbp & 0xff; } rt2800_bbp_write(rt2x00dev, 158, 0xba); rt2800_bbp_write(rt2x00dev, 159, tidx); rt2800_bbp_write(rt2x00dev, 159, tidx); rt2800_bbp_write(rt2x00dev, 159, tidx); macvalue = rt2800_register_read(rt2x00dev, 0x057C); fftout_i = (macvalue >> 16); fftout_i = (fftout_i & 0x8000) ? (fftout_i - 0x10000) : fftout_i; fftout_q = (macvalue & 0xffff); fftout_q = (fftout_q & 0x8000) ? (fftout_q - 0x10000) : fftout_q; ptmp = (fftout_i * fftout_i); ptmp = ptmp + (fftout_q * fftout_q); pint = ptmp; rt2x00_dbg(rt2x00dev, "I = %d, Q = %d, power = %x\n", fftout_i, fftout_q, pint); if (read_neg) { pint = pint >> 1; tidxi = 0x40 - tidx; tidxi = tidxi & 0x3f; rt2800_bbp_write(rt2x00dev, 158, 0xba); rt2800_bbp_write(rt2x00dev, 159, tidxi); rt2800_bbp_write(rt2x00dev, 159, tidxi); rt2800_bbp_write(rt2x00dev, 159, tidxi); macvalue = rt2800_register_read(rt2x00dev, 0x057C); fftout_i = (macvalue >> 16); fftout_i = (fftout_i & 0x8000) ? (fftout_i - 0x10000) : fftout_i; fftout_q = (macvalue & 0xffff); fftout_q = (fftout_q & 0x8000) ? (fftout_q - 0x10000) : fftout_q; ptmp = (fftout_i * fftout_i); ptmp = ptmp + (fftout_q * fftout_q); ptmp = ptmp >> 1; pint = pint + ptmp; } return pint; } static u32 rt2800_read_fft_accumulation(struct rt2x00_dev *rt2x00dev, u8 tidx) { u32 macvalue = 0; int fftout_i = 0, fftout_q = 0; u32 ptmp = 0, pint = 0; rt2800_bbp_write(rt2x00dev, 158, 0xBA); rt2800_bbp_write(rt2x00dev, 159, tidx); rt2800_bbp_write(rt2x00dev, 159, tidx); rt2800_bbp_write(rt2x00dev, 159, tidx); macvalue = rt2800_register_read(rt2x00dev, 0x057C); fftout_i = (macvalue >> 16); fftout_i = (fftout_i & 0x8000) ? (fftout_i - 0x10000) : fftout_i; fftout_q = (macvalue & 0xffff); fftout_q = (fftout_q & 0x8000) ? (fftout_q - 0x10000) : fftout_q; ptmp = (fftout_i * fftout_i); ptmp = ptmp + (fftout_q * fftout_q); pint = ptmp; return pint; } static void rt2800_write_dc(struct rt2x00_dev *rt2x00dev, u8 ch_idx, u8 alc, u8 iorq, u8 dc) { u8 bbp = 0; rt2800_bbp_write(rt2x00dev, 158, 0xb0); bbp = alc | 0x80; rt2800_bbp_write(rt2x00dev, 159, bbp); if (ch_idx == 0) bbp = (iorq == 0) ? 0xb1 : 0xb2; else bbp = (iorq == 0) ? 0xb8 : 0xb9; rt2800_bbp_write(rt2x00dev, 158, bbp); bbp = dc; rt2800_bbp_write(rt2x00dev, 159, bbp); } static void rt2800_loft_search(struct rt2x00_dev *rt2x00dev, u8 ch_idx, u8 alc_idx, u8 dc_result[][RF_ALC_NUM][2]) { u32 p0 = 0, p1 = 0, pf = 0; s8 idx0 = 0, idx1 = 0; u8 idxf[] = {0x00, 0x00}; u8 ibit = 0x20; u8 iorq; s8 bidx; rt2800_bbp_write(rt2x00dev, 158, 0xb0); rt2800_bbp_write(rt2x00dev, 159, 0x80); for (bidx = 5; bidx >= 0; bidx--) { for (iorq = 0; iorq <= 1; iorq++) { if (idxf[iorq] == 0x20) { idx0 = 0x20; p0 = pf; } else { idx0 = idxf[iorq] - ibit; idx0 = idx0 & 0x3F; rt2800_write_dc(rt2x00dev, ch_idx, 0, iorq, idx0); p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0); } idx1 = idxf[iorq] + (bidx == 5 ? 0 : ibit); idx1 = idx1 & 0x3F; rt2800_write_dc(rt2x00dev, ch_idx, 0, iorq, idx1); p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0); rt2x00_dbg(rt2x00dev, "alc=%u, IorQ=%u, idx_final=%2x\n", alc_idx, iorq, idxf[iorq]); rt2x00_dbg(rt2x00dev, "p0=%x, p1=%x, pf=%x, idx_0=%x, idx_1=%x, ibit=%x\n", p0, p1, pf, idx0, idx1, ibit); if (bidx != 5 && pf <= p0 && pf < p1) { idxf[iorq] = idxf[iorq]; } else if (p0 < p1) { pf = p0; idxf[iorq] = idx0 & 0x3F; } else { pf = p1; idxf[iorq] = idx1 & 0x3F; } rt2x00_dbg(rt2x00dev, "IorQ=%u, idx_final[%u]:%x, pf:%8x\n", iorq, iorq, idxf[iorq], pf); rt2800_write_dc(rt2x00dev, ch_idx, 0, iorq, idxf[iorq]); } ibit = ibit >> 1; } dc_result[ch_idx][alc_idx][0] = idxf[0]; dc_result[ch_idx][alc_idx][1] = idxf[1]; } static void rt2800_iq_search(struct rt2x00_dev *rt2x00dev, u8 ch_idx, u8 *ges, u8 *pes) { u32 p0 = 0, p1 = 0, pf = 0; s8 perr = 0, gerr = 0, iq_err = 0; s8 pef = 0, gef = 0; s8 psta, pend; s8 gsta, gend; u8 ibit = 0x20; u8 first_search = 0x00, touch_neg_max = 0x00; s8 idx0 = 0, idx1 = 0; u8 gop; u8 bbp = 0; s8 bidx; for (bidx = 5; bidx >= 1; bidx--) { for (gop = 0; gop < 2; gop++) { if (gop == 1 || bidx < 4) { if (gop == 0) iq_err = gerr; else iq_err = perr; first_search = (gop == 0) ? (bidx == 3) : (bidx == 5); touch_neg_max = (gop) ? ((iq_err & 0x0F) == 0x08) : ((iq_err & 0x3F) == 0x20); if (touch_neg_max) { p0 = pf; idx0 = iq_err; } else { idx0 = iq_err - ibit; bbp = (ch_idx == 0) ? ((gop == 0) ? 0x28 : 0x29) : ((gop == 0) ? 0x46 : 0x47); rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, idx0); p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 1); } idx1 = iq_err + (first_search ? 0 : ibit); idx1 = (gop == 0) ? (idx1 & 0x0F) : (idx1 & 0x3F); bbp = (ch_idx == 0) ? (gop == 0) ? 0x28 : 0x29 : (gop == 0) ? 0x46 : 0x47; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, idx1); p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 1); rt2x00_dbg(rt2x00dev, "p0=%x, p1=%x, pwer_final=%x, idx0=%x, idx1=%x, iq_err=%x, gop=%d, ibit=%x\n", p0, p1, pf, idx0, idx1, iq_err, gop, ibit); if (!(!first_search && pf <= p0 && pf < p1)) { if (p0 < p1) { pf = p0; iq_err = idx0; } else { pf = p1; iq_err = idx1; } } bbp = (ch_idx == 0) ? (gop == 0) ? 0x28 : 0x29 : (gop == 0) ? 0x46 : 0x47; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, iq_err); if (gop == 0) gerr = iq_err; else perr = iq_err; rt2x00_dbg(rt2x00dev, "IQCalibration pf=%8x (%2x, %2x) !\n", pf, gerr & 0x0F, perr & 0x3F); } } if (bidx > 0) ibit = (ibit >> 1); } gerr = (gerr & 0x08) ? (gerr & 0x0F) - 0x10 : (gerr & 0x0F); perr = (perr & 0x20) ? (perr & 0x3F) - 0x40 : (perr & 0x3F); gerr = (gerr < -0x07) ? -0x07 : (gerr > 0x05) ? 0x05 : gerr; gsta = gerr - 1; gend = gerr + 2; perr = (perr < -0x1f) ? -0x1f : (perr > 0x1d) ? 0x1d : perr; psta = perr - 1; pend = perr + 2; for (gef = gsta; gef <= gend; gef = gef + 1) for (pef = psta; pef <= pend; pef = pef + 1) { bbp = (ch_idx == 0) ? 0x28 : 0x46; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, gef & 0x0F); bbp = (ch_idx == 0) ? 0x29 : 0x47; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, pef & 0x3F); p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 1); if (gef == gsta && pef == psta) { pf = p1; gerr = gef; perr = pef; } else if (pf > p1) { pf = p1; gerr = gef; perr = pef; } rt2x00_dbg(rt2x00dev, "Fine IQCalibration p1=%8x pf=%8x (%2x, %2x) !\n", p1, pf, gef & 0x0F, pef & 0x3F); } ges[ch_idx] = gerr & 0x0F; pes[ch_idx] = perr & 0x3F; } static void rt2800_rf_aux_tx0_loopback(struct rt2x00_dev *rt2x00dev) { rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, 0x21); rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, 0x10); rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x00); rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, 0x1b); rt2800_rfcsr_write_bank(rt2x00dev, 4, 0, 0x81); rt2800_rfcsr_write_bank(rt2x00dev, 4, 2, 0x81); rt2800_rfcsr_write_bank(rt2x00dev, 4, 34, 0xee); rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, 0x2d); rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, 0x2d); rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, 0x80); rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0xd7); rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0xa2); rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x20); } static void rt2800_rf_aux_tx1_loopback(struct rt2x00_dev *rt2x00dev) { rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, 0x22); rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, 0x20); rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x00); rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, 0x4b); rt2800_rfcsr_write_bank(rt2x00dev, 6, 0, 0x81); rt2800_rfcsr_write_bank(rt2x00dev, 6, 2, 0x81); rt2800_rfcsr_write_bank(rt2x00dev, 6, 34, 0xee); rt2800_rfcsr_write_bank(rt2x00dev, 7, 3, 0x2d); rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, 0x2d); rt2800_rfcsr_write_bank(rt2x00dev, 7, 17, 0x80); rt2800_rfcsr_write_bank(rt2x00dev, 7, 18, 0xd7); rt2800_rfcsr_write_bank(rt2x00dev, 7, 19, 0xa2); rt2800_rfcsr_write_bank(rt2x00dev, 7, 20, 0x20); } static void rt2800_loft_iq_calibration(struct rt2x00_dev *rt2x00dev) { struct rf_reg_pair rf_store[CHAIN_NUM][13]; u32 macorg1 = 0; u32 macorg2 = 0; u32 macorg3 = 0; u32 macorg4 = 0; u32 macorg5 = 0; u32 orig528 = 0; u32 orig52c = 0; u32 savemacsysctrl = 0; u32 macvalue = 0; u32 mac13b8 = 0; u32 p0 = 0, p1 = 0; u32 p0_idx10 = 0, p1_idx10 = 0; u8 rfvalue; u8 loft_dc_search_result[CHAIN_NUM][RF_ALC_NUM][2]; u8 ger[CHAIN_NUM], per[CHAIN_NUM]; u8 vga_gain[] = {14, 14}; u8 bbp = 0, ch_idx = 0, rf_alc_idx = 0, idx = 0; u8 bbpr30, rfb0r39, rfb0r42; u8 bbpr1; u8 bbpr4; u8 bbpr241, bbpr242; u8 count_step; static const u8 rf_gain[] = {0x00, 0x01, 0x02, 0x04, 0x08, 0x0c}; static const u8 rfvga_gain_table[] = {0x24, 0x25, 0x26, 0x27, 0x28, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3F}; static const u8 bbp_2324gain[] = {0x16, 0x14, 0x12, 0x10, 0x0c, 0x08}; savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); macorg1 = rt2800_register_read(rt2x00dev, TX_PIN_CFG); macorg2 = rt2800_register_read(rt2x00dev, RF_CONTROL0); macorg3 = rt2800_register_read(rt2x00dev, RF_BYPASS0); macorg4 = rt2800_register_read(rt2x00dev, RF_CONTROL3); macorg5 = rt2800_register_read(rt2x00dev, RF_BYPASS3); mac13b8 = rt2800_register_read(rt2x00dev, 0x13b8); orig528 = rt2800_register_read(rt2x00dev, RF_CONTROL2); orig52c = rt2800_register_read(rt2x00dev, RF_BYPASS2); macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); macvalue &= (~0x04); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_TX))) rt2x00_warn(rt2x00dev, "RF TX busy in LOFT IQ calibration\n"); macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); macvalue &= (~0x08); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_RX))) rt2x00_warn(rt2x00dev, "RF RX busy in LOFT IQ calibration\n"); for (ch_idx = 0; ch_idx < 2; ch_idx++) rt2800_rf_configstore(rt2x00dev, rf_store, ch_idx); bbpr30 = rt2800_bbp_read(rt2x00dev, 30); rfb0r39 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 39); rfb0r42 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42); rt2800_bbp_write(rt2x00dev, 30, 0x1F); rt2800_rfcsr_write_bank(rt2x00dev, 0, 39, 0x80); rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, 0x5B); rt2800_bbp_write(rt2x00dev, 23, 0x00); rt2800_bbp_write(rt2x00dev, 24, 0x00); rt2800_setbbptonegenerator(rt2x00dev); for (ch_idx = 0; ch_idx < 2; ch_idx++) { rt2800_bbp_write(rt2x00dev, 23, 0x00); rt2800_bbp_write(rt2x00dev, 24, 0x00); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00); rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x0000000F); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00003306); rt2800_register_write(rt2x00dev, 0x13b8, 0x10); udelay(1); if (ch_idx == 0) rt2800_rf_aux_tx0_loopback(rt2x00dev); else rt2800_rf_aux_tx1_loopback(rt2x00dev); udelay(1); if (ch_idx == 0) rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001004); else rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00002004); rt2800_bbp_write(rt2x00dev, 158, 0x05); rt2800_bbp_write(rt2x00dev, 159, 0x00); rt2800_bbp_write(rt2x00dev, 158, 0x01); if (ch_idx == 0) rt2800_bbp_write(rt2x00dev, 159, 0x00); else rt2800_bbp_write(rt2x00dev, 159, 0x01); vga_gain[ch_idx] = 18; for (rf_alc_idx = 0; rf_alc_idx < 3; rf_alc_idx++) { rt2800_bbp_write(rt2x00dev, 23, bbp_2324gain[rf_alc_idx]); rt2800_bbp_write(rt2x00dev, 24, bbp_2324gain[rf_alc_idx]); macvalue = rt2800_register_read(rt2x00dev, RF_CONTROL3); macvalue &= (~0x0000F1F1); macvalue |= (rf_gain[rf_alc_idx] << 4); macvalue |= (rf_gain[rf_alc_idx] << 12); rt2800_register_write(rt2x00dev, RF_CONTROL3, macvalue); macvalue = (0x0000F1F1); rt2800_register_write(rt2x00dev, RF_BYPASS3, macvalue); if (rf_alc_idx == 0) { rt2800_write_dc(rt2x00dev, ch_idx, 0, 1, 0x21); for (; vga_gain[ch_idx] > 0; vga_gain[ch_idx] = vga_gain[ch_idx] - 2) { rfvalue = rfvga_gain_table[vga_gain[ch_idx]]; rt2800_rfcsr_write_dccal(rt2x00dev, 3, rfvalue); rt2800_rfcsr_write_dccal(rt2x00dev, 4, rfvalue); rt2800_write_dc(rt2x00dev, ch_idx, 0, 1, 0x00); rt2800_write_dc(rt2x00dev, ch_idx, 0, 0, 0x00); p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0); rt2800_write_dc(rt2x00dev, ch_idx, 0, 0, 0x21); p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0); rt2x00_dbg(rt2x00dev, "LOFT AGC %d %d\n", p0, p1); if ((p0 < 7000 * 7000) && (p1 < (7000 * 7000))) break; } rt2800_write_dc(rt2x00dev, ch_idx, 0, 0, 0x00); rt2800_write_dc(rt2x00dev, ch_idx, 0, 1, 0x00); rt2x00_dbg(rt2x00dev, "Used VGA %d %x\n", vga_gain[ch_idx], rfvga_gain_table[vga_gain[ch_idx]]); } rfvalue = rfvga_gain_table[vga_gain[ch_idx]]; rt2800_rfcsr_write_dccal(rt2x00dev, 3, rfvalue); rt2800_rfcsr_write_dccal(rt2x00dev, 4, rfvalue); rt2800_loft_search(rt2x00dev, ch_idx, rf_alc_idx, loft_dc_search_result); } } for (rf_alc_idx = 0; rf_alc_idx < 3; rf_alc_idx++) { for (idx = 0; idx < 4; idx++) { rt2800_bbp_write(rt2x00dev, 158, 0xB0); bbp = (idx << 2) + rf_alc_idx; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2x00_dbg(rt2x00dev, " ALC %2x,", bbp); rt2800_bbp_write(rt2x00dev, 158, 0xb1); bbp = loft_dc_search_result[CHAIN_0][rf_alc_idx][0x00]; bbp = bbp & 0x3F; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2x00_dbg(rt2x00dev, " I0 %2x,", bbp); rt2800_bbp_write(rt2x00dev, 158, 0xb2); bbp = loft_dc_search_result[CHAIN_0][rf_alc_idx][0x01]; bbp = bbp & 0x3F; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2x00_dbg(rt2x00dev, " Q0 %2x,", bbp); rt2800_bbp_write(rt2x00dev, 158, 0xb8); bbp = loft_dc_search_result[CHAIN_1][rf_alc_idx][0x00]; bbp = bbp & 0x3F; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2x00_dbg(rt2x00dev, " I1 %2x,", bbp); rt2800_bbp_write(rt2x00dev, 158, 0xb9); bbp = loft_dc_search_result[CHAIN_1][rf_alc_idx][0x01]; bbp = bbp & 0x3F; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2x00_dbg(rt2x00dev, " Q1 %2x\n", bbp); } } rt2800_bbp_write(rt2x00dev, 23, 0x00); rt2800_bbp_write(rt2x00dev, 24, 0x00); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04); rt2800_bbp_write(rt2x00dev, 158, 0x00); rt2800_bbp_write(rt2x00dev, 159, 0x00); bbp = 0x00; rt2800_bbp_write(rt2x00dev, 244, 0x00); rt2800_bbp_write(rt2x00dev, 21, 0x01); udelay(1); rt2800_bbp_write(rt2x00dev, 21, 0x00); rt2800_rf_configrecover(rt2x00dev, rf_store); rt2800_register_write(rt2x00dev, TX_PIN_CFG, macorg1); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00); rt2800_register_write(rt2x00dev, RF_CONTROL0, macorg2); udelay(1); rt2800_register_write(rt2x00dev, RF_BYPASS0, macorg3); rt2800_register_write(rt2x00dev, RF_CONTROL3, macorg4); rt2800_register_write(rt2x00dev, RF_BYPASS3, macorg5); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl); rt2800_register_write(rt2x00dev, RF_CONTROL2, orig528); rt2800_register_write(rt2x00dev, RF_BYPASS2, orig52c); rt2800_register_write(rt2x00dev, 0x13b8, mac13b8); savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); macorg1 = rt2800_register_read(rt2x00dev, TX_PIN_CFG); macorg2 = rt2800_register_read(rt2x00dev, RF_CONTROL0); macorg3 = rt2800_register_read(rt2x00dev, RF_BYPASS0); macorg4 = rt2800_register_read(rt2x00dev, RF_CONTROL3); macorg5 = rt2800_register_read(rt2x00dev, RF_BYPASS3); bbpr1 = rt2800_bbp_read(rt2x00dev, 1); bbpr4 = rt2800_bbp_read(rt2x00dev, 4); bbpr241 = rt2800_bbp_read(rt2x00dev, 241); bbpr242 = rt2800_bbp_read(rt2x00dev, 242); mac13b8 = rt2800_register_read(rt2x00dev, 0x13b8); macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); macvalue &= (~0x04); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_TX))) rt2x00_warn(rt2x00dev, "RF TX busy in LOFT IQ calibration\n"); macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); macvalue &= (~0x08); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_RX))) rt2x00_warn(rt2x00dev, "RF RX busy in LOFT IQ calibration\n"); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x00000101); rt2800_register_write(rt2x00dev, RF_BYPASS3, 0x0000F1F1); } rt2800_bbp_write(rt2x00dev, 23, 0x00); rt2800_bbp_write(rt2x00dev, 24, 0x00); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { rt2800_bbp_write(rt2x00dev, 4, bbpr4 & (~0x18)); rt2800_bbp_write(rt2x00dev, 21, 0x01); udelay(1); rt2800_bbp_write(rt2x00dev, 21, 0x00); rt2800_bbp_write(rt2x00dev, 241, 0x14); rt2800_bbp_write(rt2x00dev, 242, 0x80); rt2800_bbp_write(rt2x00dev, 244, 0x31); } else { rt2800_setbbptonegenerator(rt2x00dev); } rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00003306); udelay(1); rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x0000000F); if (!test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x00000000); rt2800_register_write(rt2x00dev, RF_BYPASS3, 0x0000F1F1); } rt2800_register_write(rt2x00dev, 0x13b8, 0x00000010); for (ch_idx = 0; ch_idx < 2; ch_idx++) rt2800_rf_configstore(rt2x00dev, rf_store, ch_idx); rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x3B); rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x3B); rt2800_bbp_write(rt2x00dev, 158, 0x03); rt2800_bbp_write(rt2x00dev, 159, 0x60); rt2800_bbp_write(rt2x00dev, 158, 0xB0); rt2800_bbp_write(rt2x00dev, 159, 0x80); for (ch_idx = 0; ch_idx < 2; ch_idx++) { rt2800_bbp_write(rt2x00dev, 23, 0x00); rt2800_bbp_write(rt2x00dev, 24, 0x00); if (ch_idx == 0) { rt2800_bbp_write(rt2x00dev, 158, 0x01); rt2800_bbp_write(rt2x00dev, 159, 0x00); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { bbp = bbpr1 & (~0x18); bbp = bbp | 0x00; rt2800_bbp_write(rt2x00dev, 1, bbp); } rt2800_rf_aux_tx0_loopback(rt2x00dev); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001004); } else { rt2800_bbp_write(rt2x00dev, 158, 0x01); rt2800_bbp_write(rt2x00dev, 159, 0x01); if (test_bit(CAPABILITY_EXTERNAL_PA_TX1, &rt2x00dev->cap_flags)) { bbp = bbpr1 & (~0x18); bbp = bbp | 0x08; rt2800_bbp_write(rt2x00dev, 1, bbp); } rt2800_rf_aux_tx1_loopback(rt2x00dev); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00002004); } rt2800_bbp_write(rt2x00dev, 158, 0x05); rt2800_bbp_write(rt2x00dev, 159, 0x04); bbp = (ch_idx == 0) ? 0x28 : 0x46; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, 0x00); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { rt2800_bbp_write(rt2x00dev, 23, 0x06); rt2800_bbp_write(rt2x00dev, 24, 0x06); count_step = 1; } else { rt2800_bbp_write(rt2x00dev, 23, 0x1F); rt2800_bbp_write(rt2x00dev, 24, 0x1F); count_step = 2; } for (; vga_gain[ch_idx] < 19; vga_gain[ch_idx] = (vga_gain[ch_idx] + count_step)) { rfvalue = rfvga_gain_table[vga_gain[ch_idx]]; rt2800_rfcsr_write_dccal(rt2x00dev, 3, rfvalue); rt2800_rfcsr_write_dccal(rt2x00dev, 4, rfvalue); bbp = (ch_idx == 0) ? 0x29 : 0x47; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, 0x00); p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 0); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) p0_idx10 = rt2800_read_fft_accumulation(rt2x00dev, 0x0A); bbp = (ch_idx == 0) ? 0x29 : 0x47; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, 0x21); p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 0); if (test_bit(CAPABILITY_EXTERNAL_PA_TX1, &rt2x00dev->cap_flags)) p1_idx10 = rt2800_read_fft_accumulation(rt2x00dev, 0x0A); rt2x00_dbg(rt2x00dev, "IQ AGC %d %d\n", p0, p1); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { rt2x00_dbg(rt2x00dev, "IQ AGC IDX 10 %d %d\n", p0_idx10, p1_idx10); if ((p0_idx10 > 7000 * 7000) || (p1_idx10 > 7000 * 7000)) { if (vga_gain[ch_idx] != 0) vga_gain[ch_idx] = vga_gain[ch_idx] - 1; break; } } if ((p0 > 2500 * 2500) || (p1 > 2500 * 2500)) break; } if (vga_gain[ch_idx] > 18) vga_gain[ch_idx] = 18; rt2x00_dbg(rt2x00dev, "Used VGA %d %x\n", vga_gain[ch_idx], rfvga_gain_table[vga_gain[ch_idx]]); bbp = (ch_idx == 0) ? 0x29 : 0x47; rt2800_bbp_write(rt2x00dev, 158, bbp); rt2800_bbp_write(rt2x00dev, 159, 0x00); rt2800_iq_search(rt2x00dev, ch_idx, ger, per); } rt2800_bbp_write(rt2x00dev, 23, 0x00); rt2800_bbp_write(rt2x00dev, 24, 0x00); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04); rt2800_bbp_write(rt2x00dev, 158, 0x28); bbp = ger[CHAIN_0] & 0x0F; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2800_bbp_write(rt2x00dev, 158, 0x29); bbp = per[CHAIN_0] & 0x3F; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2800_bbp_write(rt2x00dev, 158, 0x46); bbp = ger[CHAIN_1] & 0x0F; rt2800_bbp_write(rt2x00dev, 159, bbp); rt2800_bbp_write(rt2x00dev, 158, 0x47); bbp = per[CHAIN_1] & 0x3F; rt2800_bbp_write(rt2x00dev, 159, bbp); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) { rt2800_bbp_write(rt2x00dev, 1, bbpr1); rt2800_bbp_write(rt2x00dev, 241, bbpr241); rt2800_bbp_write(rt2x00dev, 242, bbpr242); } rt2800_bbp_write(rt2x00dev, 244, 0x00); rt2800_bbp_write(rt2x00dev, 158, 0x00); rt2800_bbp_write(rt2x00dev, 159, 0x00); rt2800_bbp_write(rt2x00dev, 158, 0xB0); rt2800_bbp_write(rt2x00dev, 159, 0x00); rt2800_bbp_write(rt2x00dev, 30, bbpr30); rt2800_rfcsr_write_bank(rt2x00dev, 0, 39, rfb0r39); rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfb0r42); if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) rt2800_bbp_write(rt2x00dev, 4, bbpr4); rt2800_bbp_write(rt2x00dev, 21, 0x01); udelay(1); rt2800_bbp_write(rt2x00dev, 21, 0x00); rt2800_rf_configrecover(rt2x00dev, rf_store); rt2800_register_write(rt2x00dev, TX_PIN_CFG, macorg1); rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00); rt2800_register_write(rt2x00dev, RF_CONTROL0, macorg2); udelay(1); rt2800_register_write(rt2x00dev, RF_BYPASS0, macorg3); rt2800_register_write(rt2x00dev, RF_CONTROL3, macorg4); rt2800_register_write(rt2x00dev, RF_BYPASS3, macorg5); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl); rt2800_register_write(rt2x00dev, 0x13b8, mac13b8); } static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev, bool set_bw, bool is_ht40) { u8 bbp_val; bbp_val = rt2800_bbp_read(rt2x00dev, 21); bbp_val |= 0x1; rt2800_bbp_write(rt2x00dev, 21, bbp_val); usleep_range(100, 200); if (set_bw) { bbp_val = rt2800_bbp_read(rt2x00dev, 4); rt2x00_set_field8(&bbp_val, BBP4_BANDWIDTH, 2 * is_ht40); rt2800_bbp_write(rt2x00dev, 4, bbp_val); usleep_range(100, 200); } bbp_val = rt2800_bbp_read(rt2x00dev, 21); bbp_val &= (~0x1); rt2800_bbp_write(rt2x00dev, 21, bbp_val); usleep_range(100, 200); } static int rt2800_rf_lp_config(struct rt2x00_dev *rt2x00dev, bool btxcal) { u8 rf_val; if (btxcal) rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04); else rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x02); rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x06); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17); rf_val |= 0x80; rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, rf_val); if (btxcal) { rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0xC1); rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0x20); rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x02); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3); rf_val &= (~0x3F); rf_val |= 0x3F; rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, rf_val); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); rf_val &= (~0x3F); rf_val |= 0x3F; rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, rf_val); rt2800_rfcsr_write_bank(rt2x00dev, 5, 5, 0x31); } else { rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0xF1); rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0x18); rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x02); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3); rf_val &= (~0x3F); rf_val |= 0x34; rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, rf_val); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); rf_val &= (~0x3F); rf_val |= 0x34; rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, rf_val); } return 0; } static s8 rt2800_lp_tx_filter_bw_cal(struct rt2x00_dev *rt2x00dev) { unsigned int cnt; u8 bbp_val; s8 cal_val; rt2800_bbp_dcoc_write(rt2x00dev, 0, 0x82); cnt = 0; do { usleep_range(500, 2000); bbp_val = rt2800_bbp_read(rt2x00dev, 159); if (bbp_val == 0x02 || cnt == 20) break; cnt++; } while (cnt < 20); bbp_val = rt2800_bbp_dcoc_read(rt2x00dev, 0x39); cal_val = bbp_val & 0x7F; if (cal_val >= 0x40) cal_val -= 128; return cal_val; } static void rt2800_bw_filter_calibration(struct rt2x00_dev *rt2x00dev, bool btxcal) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 tx_agc_fc = 0, rx_agc_fc = 0, cmm_agc_fc; u8 filter_target; u8 tx_filter_target_20m = 0x09, tx_filter_target_40m = 0x02; u8 rx_filter_target_20m = 0x27, rx_filter_target_40m = 0x31; int loop = 0, is_ht40, cnt; u8 bbp_val, rf_val; s8 cal_r32_init, cal_r32_val, cal_diff; u8 saverfb5r00, saverfb5r01, saverfb5r03, saverfb5r04, saverfb5r05; u8 saverfb5r06, saverfb5r07; u8 saverfb5r08, saverfb5r17, saverfb5r18, saverfb5r19, saverfb5r20; u8 saverfb5r37, saverfb5r38, saverfb5r39, saverfb5r40, saverfb5r41; u8 saverfb5r42, saverfb5r43, saverfb5r44, saverfb5r45, saverfb5r46; u8 saverfb5r58, saverfb5r59; u8 savebbp159r0, savebbp159r2, savebbpr23; u32 MAC_RF_CONTROL0, MAC_RF_BYPASS0; /* Save MAC registers */ MAC_RF_CONTROL0 = rt2800_register_read(rt2x00dev, RF_CONTROL0); MAC_RF_BYPASS0 = rt2800_register_read(rt2x00dev, RF_BYPASS0); /* save BBP registers */ savebbpr23 = rt2800_bbp_read(rt2x00dev, 23); savebbp159r0 = rt2800_bbp_dcoc_read(rt2x00dev, 0); savebbp159r2 = rt2800_bbp_dcoc_read(rt2x00dev, 2); /* Save RF registers */ saverfb5r00 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0); saverfb5r01 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1); saverfb5r03 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3); saverfb5r04 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4); saverfb5r05 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 5); saverfb5r06 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6); saverfb5r07 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7); saverfb5r08 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 8); saverfb5r17 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17); saverfb5r18 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18); saverfb5r19 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19); saverfb5r20 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20); saverfb5r37 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 37); saverfb5r38 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 38); saverfb5r39 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 39); saverfb5r40 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 40); saverfb5r41 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 41); saverfb5r42 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 42); saverfb5r43 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 43); saverfb5r44 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 44); saverfb5r45 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 45); saverfb5r46 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 46); saverfb5r58 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58); saverfb5r59 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0); rf_val |= 0x3; rt2800_rfcsr_write_bank(rt2x00dev, 5, 0, rf_val); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1); rf_val |= 0x1; rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, rf_val); cnt = 0; do { usleep_range(500, 2000); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1); if (((rf_val & 0x1) == 0x00) || (cnt == 40)) break; cnt++; } while (cnt < 40); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0); rf_val &= (~0x3); rf_val |= 0x1; rt2800_rfcsr_write_bank(rt2x00dev, 5, 0, rf_val); /* I-3 */ bbp_val = rt2800_bbp_read(rt2x00dev, 23); bbp_val &= (~0x1F); bbp_val |= 0x10; rt2800_bbp_write(rt2x00dev, 23, bbp_val); do { /* I-4,5,6,7,8,9 */ if (loop == 0) { is_ht40 = false; if (btxcal) filter_target = tx_filter_target_20m; else filter_target = rx_filter_target_20m; } else { is_ht40 = true; if (btxcal) filter_target = tx_filter_target_40m; else filter_target = rx_filter_target_40m; } rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 8); rf_val &= (~0x04); if (loop == 1) rf_val |= 0x4; rt2800_rfcsr_write_bank(rt2x00dev, 5, 8, rf_val); rt2800_bbp_core_soft_reset(rt2x00dev, true, is_ht40); rt2800_rf_lp_config(rt2x00dev, btxcal); if (btxcal) { tx_agc_fc = 0; rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58); rf_val &= (~0x7F); rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, rf_val); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59); rf_val &= (~0x7F); rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, rf_val); } else { rx_agc_fc = 0; rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6); rf_val &= (~0x7F); rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, rf_val); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7); rf_val &= (~0x7F); rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, rf_val); } usleep_range(1000, 2000); bbp_val = rt2800_bbp_dcoc_read(rt2x00dev, 2); bbp_val &= (~0x6); rt2800_bbp_dcoc_write(rt2x00dev, 2, bbp_val); rt2800_bbp_core_soft_reset(rt2x00dev, false, is_ht40); cal_r32_init = rt2800_lp_tx_filter_bw_cal(rt2x00dev); bbp_val = rt2800_bbp_dcoc_read(rt2x00dev, 2); bbp_val |= 0x6; rt2800_bbp_dcoc_write(rt2x00dev, 2, bbp_val); do_cal: if (btxcal) { rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58); rf_val &= (~0x7F); rf_val |= tx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, rf_val); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59); rf_val &= (~0x7F); rf_val |= tx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, rf_val); } else { rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6); rf_val &= (~0x7F); rf_val |= rx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, rf_val); rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7); rf_val &= (~0x7F); rf_val |= rx_agc_fc; rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, rf_val); } usleep_range(500, 1000); rt2800_bbp_core_soft_reset(rt2x00dev, false, is_ht40); cal_r32_val = rt2800_lp_tx_filter_bw_cal(rt2x00dev); cal_diff = cal_r32_init - cal_r32_val; if (btxcal) cmm_agc_fc = tx_agc_fc; else cmm_agc_fc = rx_agc_fc; if (((cal_diff > filter_target) && (cmm_agc_fc == 0)) || ((cal_diff < filter_target) && (cmm_agc_fc == 0x3f))) { if (btxcal) tx_agc_fc = 0; else rx_agc_fc = 0; } else if ((cal_diff <= filter_target) && (cmm_agc_fc < 0x3f)) { if (btxcal) tx_agc_fc++; else rx_agc_fc++; goto do_cal; } if (btxcal) { if (loop == 0) drv_data->tx_calibration_bw20 = tx_agc_fc; else drv_data->tx_calibration_bw40 = tx_agc_fc; } else { if (loop == 0) drv_data->rx_calibration_bw20 = rx_agc_fc; else drv_data->rx_calibration_bw40 = rx_agc_fc; } loop++; } while (loop <= 1); rt2800_rfcsr_write_bank(rt2x00dev, 5, 0, saverfb5r00); rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, saverfb5r01); rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, saverfb5r03); rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r04); rt2800_rfcsr_write_bank(rt2x00dev, 5, 5, saverfb5r05); rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, saverfb5r06); rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, saverfb5r07); rt2800_rfcsr_write_bank(rt2x00dev, 5, 8, saverfb5r08); rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, saverfb5r17); rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, saverfb5r18); rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, saverfb5r19); rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, saverfb5r20); rt2800_rfcsr_write_bank(rt2x00dev, 5, 37, saverfb5r37); rt2800_rfcsr_write_bank(rt2x00dev, 5, 38, saverfb5r38); rt2800_rfcsr_write_bank(rt2x00dev, 5, 39, saverfb5r39); rt2800_rfcsr_write_bank(rt2x00dev, 5, 40, saverfb5r40); rt2800_rfcsr_write_bank(rt2x00dev, 5, 41, saverfb5r41); rt2800_rfcsr_write_bank(rt2x00dev, 5, 42, saverfb5r42); rt2800_rfcsr_write_bank(rt2x00dev, 5, 43, saverfb5r43); rt2800_rfcsr_write_bank(rt2x00dev, 5, 44, saverfb5r44); rt2800_rfcsr_write_bank(rt2x00dev, 5, 45, saverfb5r45); rt2800_rfcsr_write_bank(rt2x00dev, 5, 46, saverfb5r46); rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, saverfb5r58); rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, saverfb5r59); rt2800_bbp_write(rt2x00dev, 23, savebbpr23); rt2800_bbp_dcoc_write(rt2x00dev, 0, savebbp159r0); rt2800_bbp_dcoc_write(rt2x00dev, 2, savebbp159r2); bbp_val = rt2800_bbp_read(rt2x00dev, 4); rt2x00_set_field8(&bbp_val, BBP4_BANDWIDTH, 2 * test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)); rt2800_bbp_write(rt2x00dev, 4, bbp_val); rt2800_register_write(rt2x00dev, RF_CONTROL0, MAC_RF_CONTROL0); rt2800_register_write(rt2x00dev, RF_BYPASS0, MAC_RF_BYPASS0); } static void rt2800_restore_rf_bbp_rt6352(struct rt2x00_dev *rt2x00dev) { if (rt2x00_has_cap_external_pa(rt2x00dev)) { rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x0); rt2800_register_write(rt2x00dev, RF_BYPASS3, 0x0); } if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) { rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x16); rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x23); rt2800_rfcsr_write_chanreg(rt2x00dev, 18, 0x02); } if (rt2x00_has_cap_external_pa(rt2x00dev)) { rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xd3); rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xb3); rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xd5); rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27); rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x6c); rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xfc); rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x1f); rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x27); rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66); rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xff); rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x1c); rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x20); rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6b); rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xf7); rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x09); } if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) { rt2800_bbp_write(rt2x00dev, 75, 0x60); rt2800_bbp_write(rt2x00dev, 76, 0x44); rt2800_bbp_write(rt2x00dev, 79, 0x1c); rt2800_bbp_write(rt2x00dev, 80, 0x0c); rt2800_bbp_write(rt2x00dev, 82, 0xB6); } if (rt2x00_has_cap_external_pa(rt2x00dev)) { rt2800_register_write(rt2x00dev, TX0_RF_GAIN_CORRECT, 0x3630363a); rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN, 0x6c6c666c); rt2800_register_write(rt2x00dev, TX1_RF_GAIN_ATTEN, 0x6c6c666c); } } static void rt2800_calibration_rt6352(struct rt2x00_dev *rt2x00dev) { u32 reg; if (rt2x00_has_cap_external_pa(rt2x00dev) || rt2x00_has_cap_external_lna_bg(rt2x00dev)) rt2800_restore_rf_bbp_rt6352(rt2x00dev); rt2800_r_calibration(rt2x00dev); rt2800_rf_self_txdc_cal(rt2x00dev); rt2800_rxdcoc_calibration(rt2x00dev); rt2800_bw_filter_calibration(rt2x00dev, true); rt2800_bw_filter_calibration(rt2x00dev, false); rt2800_loft_iq_calibration(rt2x00dev); /* missing DPD calibration for internal PA devices */ rt2800_rxdcoc_calibration(rt2x00dev); rt2800_rxiq_calibration(rt2x00dev); if (!rt2x00_has_cap_external_pa(rt2x00dev) && !rt2x00_has_cap_external_lna_bg(rt2x00dev)) return; if (rt2x00_has_cap_external_pa(rt2x00dev)) { reg = rt2800_register_read(rt2x00dev, RF_CONTROL3); reg |= 0x00000101; rt2800_register_write(rt2x00dev, RF_CONTROL3, reg); reg = rt2800_register_read(rt2x00dev, RF_BYPASS3); reg |= 0x00000101; rt2800_register_write(rt2x00dev, RF_BYPASS3, reg); } if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) { rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x66); rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x20); rt2800_rfcsr_write_chanreg(rt2x00dev, 18, 0x42); } if (rt2x00_has_cap_external_pa(rt2x00dev)) { rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0x73); rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0x73); rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0x73); rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27); rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0xc8); rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xa4); rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x05); rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x27); rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0xc8); rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xa4); rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x05); rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x27); rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0xc8); rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xa4); rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x05); } if (rt2x00_has_cap_external_pa(rt2x00dev)) rt2800_rfcsr_write_dccal(rt2x00dev, 05, 0x00); if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) { rt2800_bbp_write(rt2x00dev, 75, 0x68); rt2800_bbp_write(rt2x00dev, 76, 0x4c); rt2800_bbp_write(rt2x00dev, 79, 0x1c); rt2800_bbp_write(rt2x00dev, 80, 0x0c); rt2800_bbp_write(rt2x00dev, 82, 0xb6); } if (rt2x00_has_cap_external_pa(rt2x00dev)) { rt2800_register_write(rt2x00dev, TX0_RF_GAIN_CORRECT, 0x36303636); rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN, 0x6c6c6b6c); rt2800_register_write(rt2x00dev, TX1_RF_GAIN_ATTEN, 0x6c6c6b6c); } } static void rt2800_init_rfcsr_6352(struct rt2x00_dev *rt2x00dev) { /* Initialize RF central register to default value */ rt2800_rfcsr_write(rt2x00dev, 0, 0x02); rt2800_rfcsr_write(rt2x00dev, 1, 0x03); rt2800_rfcsr_write(rt2x00dev, 2, 0x33); rt2800_rfcsr_write(rt2x00dev, 3, 0xFF); rt2800_rfcsr_write(rt2x00dev, 4, 0x0C); rt2800_rfcsr_write(rt2x00dev, 5, 0x40); rt2800_rfcsr_write(rt2x00dev, 6, 0x00); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 8, 0x00); rt2800_rfcsr_write(rt2x00dev, 9, 0x00); rt2800_rfcsr_write(rt2x00dev, 10, 0x00); rt2800_rfcsr_write(rt2x00dev, 11, 0x00); rt2800_rfcsr_write(rt2x00dev, 12, rt2x00dev->freq_offset); rt2800_rfcsr_write(rt2x00dev, 13, 0x00); rt2800_rfcsr_write(rt2x00dev, 14, 0x40); rt2800_rfcsr_write(rt2x00dev, 15, 0x22); rt2800_rfcsr_write(rt2x00dev, 16, 0x4C); rt2800_rfcsr_write(rt2x00dev, 17, 0x00); rt2800_rfcsr_write(rt2x00dev, 18, 0x00); rt2800_rfcsr_write(rt2x00dev, 19, 0x00); rt2800_rfcsr_write(rt2x00dev, 20, 0xA0); rt2800_rfcsr_write(rt2x00dev, 21, 0x12); rt2800_rfcsr_write(rt2x00dev, 22, 0x07); rt2800_rfcsr_write(rt2x00dev, 23, 0x13); rt2800_rfcsr_write(rt2x00dev, 24, 0xFE); rt2800_rfcsr_write(rt2x00dev, 25, 0x24); rt2800_rfcsr_write(rt2x00dev, 26, 0x7A); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x05); rt2800_rfcsr_write(rt2x00dev, 30, 0x00); rt2800_rfcsr_write(rt2x00dev, 31, 0x00); rt2800_rfcsr_write(rt2x00dev, 32, 0x00); rt2800_rfcsr_write(rt2x00dev, 33, 0x00); rt2800_rfcsr_write(rt2x00dev, 34, 0x00); rt2800_rfcsr_write(rt2x00dev, 35, 0x00); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 37, 0x00); rt2800_rfcsr_write(rt2x00dev, 38, 0x00); rt2800_rfcsr_write(rt2x00dev, 39, 0x00); rt2800_rfcsr_write(rt2x00dev, 40, 0x00); rt2800_rfcsr_write(rt2x00dev, 41, 0xD0); rt2800_rfcsr_write(rt2x00dev, 42, 0x5B); rt2800_rfcsr_write(rt2x00dev, 43, 0x00); rt2800_rfcsr_write(rt2x00dev, 11, 0x21); if (rt2800_clk_is_20mhz(rt2x00dev)) rt2800_rfcsr_write(rt2x00dev, 13, 0x03); else rt2800_rfcsr_write(rt2x00dev, 13, 0x00); rt2800_rfcsr_write(rt2x00dev, 14, 0x7C); rt2800_rfcsr_write(rt2x00dev, 16, 0x80); rt2800_rfcsr_write(rt2x00dev, 17, 0x99); rt2800_rfcsr_write(rt2x00dev, 18, 0x99); rt2800_rfcsr_write(rt2x00dev, 19, 0x09); rt2800_rfcsr_write(rt2x00dev, 20, 0x50); rt2800_rfcsr_write(rt2x00dev, 21, 0xB0); rt2800_rfcsr_write(rt2x00dev, 22, 0x00); rt2800_rfcsr_write(rt2x00dev, 23, 0x06); rt2800_rfcsr_write(rt2x00dev, 24, 0x00); rt2800_rfcsr_write(rt2x00dev, 25, 0x00); rt2800_rfcsr_write(rt2x00dev, 26, 0x5D); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 28, 0x61); rt2800_rfcsr_write(rt2x00dev, 29, 0xB5); rt2800_rfcsr_write(rt2x00dev, 43, 0x02); rt2800_rfcsr_write(rt2x00dev, 28, 0x62); rt2800_rfcsr_write(rt2x00dev, 29, 0xAD); rt2800_rfcsr_write(rt2x00dev, 39, 0x80); /* Initialize RF channel register to default value */ rt2800_rfcsr_write_chanreg(rt2x00dev, 0, 0x03); rt2800_rfcsr_write_chanreg(rt2x00dev, 1, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 2, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 3, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 4, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 5, 0x08); rt2800_rfcsr_write_chanreg(rt2x00dev, 6, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 7, 0x51); rt2800_rfcsr_write_chanreg(rt2x00dev, 8, 0x53); rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x16); rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x61); rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x53); rt2800_rfcsr_write_chanreg(rt2x00dev, 12, 0x22); rt2800_rfcsr_write_chanreg(rt2x00dev, 13, 0x3D); rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x06); rt2800_rfcsr_write_chanreg(rt2x00dev, 15, 0x13); rt2800_rfcsr_write_chanreg(rt2x00dev, 16, 0x22); rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x27); rt2800_rfcsr_write_chanreg(rt2x00dev, 18, 0x02); rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA7); rt2800_rfcsr_write_chanreg(rt2x00dev, 20, 0x01); rt2800_rfcsr_write_chanreg(rt2x00dev, 21, 0x52); rt2800_rfcsr_write_chanreg(rt2x00dev, 22, 0x80); rt2800_rfcsr_write_chanreg(rt2x00dev, 23, 0xB3); rt2800_rfcsr_write_chanreg(rt2x00dev, 24, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 25, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 26, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 27, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x5C); rt2800_rfcsr_write_chanreg(rt2x00dev, 29, 0x6B); rt2800_rfcsr_write_chanreg(rt2x00dev, 30, 0x6B); rt2800_rfcsr_write_chanreg(rt2x00dev, 31, 0x31); rt2800_rfcsr_write_chanreg(rt2x00dev, 32, 0x5D); rt2800_rfcsr_write_chanreg(rt2x00dev, 33, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 34, 0xE6); rt2800_rfcsr_write_chanreg(rt2x00dev, 35, 0x55); rt2800_rfcsr_write_chanreg(rt2x00dev, 36, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 37, 0xBB); rt2800_rfcsr_write_chanreg(rt2x00dev, 38, 0xB3); rt2800_rfcsr_write_chanreg(rt2x00dev, 39, 0xB3); rt2800_rfcsr_write_chanreg(rt2x00dev, 40, 0x03); rt2800_rfcsr_write_chanreg(rt2x00dev, 41, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 42, 0x00); rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xB3); rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xD3); rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xD5); rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x07); rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x68); rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xEF); rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x1C); rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x07); rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0xA8); rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0x85); rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x10); rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x07); rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6A); rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0x85); rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x10); rt2800_rfcsr_write_chanreg(rt2x00dev, 62, 0x1C); rt2800_rfcsr_write_chanreg(rt2x00dev, 63, 0x00); rt2800_rfcsr_write_bank(rt2x00dev, 6, 45, 0xC5); rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x47); rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x71); rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x33); rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x0E); rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x23); rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA4); rt2800_rfcsr_write_chanreg(rt2x00dev, 20, 0x02); rt2800_rfcsr_write_chanreg(rt2x00dev, 21, 0x12); rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x1C); rt2800_rfcsr_write_chanreg(rt2x00dev, 29, 0xEB); rt2800_rfcsr_write_chanreg(rt2x00dev, 32, 0x7D); rt2800_rfcsr_write_chanreg(rt2x00dev, 34, 0xD6); rt2800_rfcsr_write_chanreg(rt2x00dev, 36, 0x08); rt2800_rfcsr_write_chanreg(rt2x00dev, 38, 0xB4); rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xD3); rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xB3); rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xD5); rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27); rt2800_rfcsr_write_bank(rt2x00dev, 4, 47, 0x67); rt2800_rfcsr_write_bank(rt2x00dev, 6, 47, 0x69); rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFF); rt2800_rfcsr_write_bank(rt2x00dev, 4, 54, 0x27); rt2800_rfcsr_write_bank(rt2x00dev, 6, 54, 0x20); rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66); rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xFF); rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x1C); rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x20); rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6B); rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xF7); rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x09); rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x51); rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x06); rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA7); rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x2C); rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x64); rt2800_rfcsr_write_chanreg(rt2x00dev, 8, 0x51); rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x36); rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x53); rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x16); rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x6C); rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFC); rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x1F); rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x27); rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66); rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6B); /* Initialize RF channel register for DRQFN */ rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xD3); rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xE3); rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xE5); rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x28); rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x68); rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xF7); rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x02); rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xC7); /* Initialize RF DC calibration register to default value */ rt2800_rfcsr_write_dccal(rt2x00dev, 0, 0x47); rt2800_rfcsr_write_dccal(rt2x00dev, 1, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 2, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x10); rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x10); rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x04); rt2800_rfcsr_write_dccal(rt2x00dev, 9, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 10, 0x07); rt2800_rfcsr_write_dccal(rt2x00dev, 11, 0x01); rt2800_rfcsr_write_dccal(rt2x00dev, 12, 0x07); rt2800_rfcsr_write_dccal(rt2x00dev, 13, 0x07); rt2800_rfcsr_write_dccal(rt2x00dev, 14, 0x07); rt2800_rfcsr_write_dccal(rt2x00dev, 15, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 16, 0x22); rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 18, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 19, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 20, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 21, 0xF1); rt2800_rfcsr_write_dccal(rt2x00dev, 22, 0x11); rt2800_rfcsr_write_dccal(rt2x00dev, 23, 0x02); rt2800_rfcsr_write_dccal(rt2x00dev, 24, 0x41); rt2800_rfcsr_write_dccal(rt2x00dev, 25, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 26, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 27, 0xD7); rt2800_rfcsr_write_dccal(rt2x00dev, 28, 0xA2); rt2800_rfcsr_write_dccal(rt2x00dev, 29, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 30, 0x49); rt2800_rfcsr_write_dccal(rt2x00dev, 31, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 32, 0x04); rt2800_rfcsr_write_dccal(rt2x00dev, 33, 0xF1); rt2800_rfcsr_write_dccal(rt2x00dev, 34, 0xA1); rt2800_rfcsr_write_dccal(rt2x00dev, 35, 0x01); rt2800_rfcsr_write_dccal(rt2x00dev, 41, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 42, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 43, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 44, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 45, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 46, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 47, 0x3E); rt2800_rfcsr_write_dccal(rt2x00dev, 48, 0x3D); rt2800_rfcsr_write_dccal(rt2x00dev, 49, 0x3E); rt2800_rfcsr_write_dccal(rt2x00dev, 50, 0x3D); rt2800_rfcsr_write_dccal(rt2x00dev, 51, 0x3E); rt2800_rfcsr_write_dccal(rt2x00dev, 52, 0x3D); rt2800_rfcsr_write_dccal(rt2x00dev, 53, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 54, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 55, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 56, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 57, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x10); rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x10); rt2800_rfcsr_write_dccal(rt2x00dev, 60, 0x0A); rt2800_rfcsr_write_dccal(rt2x00dev, 61, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 62, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 63, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x08); rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x04); rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x20); rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00); rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x7C); /* Do calibration and init PA/LNA */ rt2800_calibration_rt6352(rt2x00dev); } static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev) { if (rt2800_is_305x_soc(rt2x00dev)) { rt2800_init_rfcsr_305x_soc(rt2x00dev); return; } switch (rt2x00dev->chip.rt) { case RT3070: case RT3071: case RT3090: rt2800_init_rfcsr_30xx(rt2x00dev); break; case RT3290: rt2800_init_rfcsr_3290(rt2x00dev); break; case RT3352: rt2800_init_rfcsr_3352(rt2x00dev); break; case RT3390: rt2800_init_rfcsr_3390(rt2x00dev); break; case RT3883: rt2800_init_rfcsr_3883(rt2x00dev); break; case RT3572: rt2800_init_rfcsr_3572(rt2x00dev); break; case RT3593: rt2800_init_rfcsr_3593(rt2x00dev); break; case RT5350: rt2800_init_rfcsr_5350(rt2x00dev); break; case RT5390: rt2800_init_rfcsr_5390(rt2x00dev); break; case RT5392: rt2800_init_rfcsr_5392(rt2x00dev); break; case RT5592: rt2800_init_rfcsr_5592(rt2x00dev); break; case RT6352: rt2800_init_rfcsr_6352(rt2x00dev); break; } } int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev) { u32 reg; u16 word; /* * Initialize MAC registers. */ if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) || rt2800_init_registers(rt2x00dev))) return -EIO; /* * Wait BBP/RF to wake up. */ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY))) return -EIO; /* * Send signal during boot time to initialize firmware. */ rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); if (rt2x00_is_usb(rt2x00dev)) rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0); rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0); msleep(1); /* * Make sure BBP is up and running. */ if (unlikely(rt2800_wait_bbp_ready(rt2x00dev))) return -EIO; /* * Initialize BBP/RF registers. */ rt2800_init_bbp(rt2x00dev); rt2800_init_rfcsr(rt2x00dev); if (rt2x00_is_usb(rt2x00dev) && (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3572))) { udelay(200); rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0); udelay(10); } /* * Enable RX. */ reg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); udelay(50); reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); reg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); /* * Initialize LED control */ word = rt2800_eeprom_read(rt2x00dev, EEPROM_LED_AG_CONF); rt2800_mcu_request(rt2x00dev, MCU_LED_AG_CONF, 0xff, word & 0xff, (word >> 8) & 0xff); word = rt2800_eeprom_read(rt2x00dev, EEPROM_LED_ACT_CONF); rt2800_mcu_request(rt2x00dev, MCU_LED_ACT_CONF, 0xff, word & 0xff, (word >> 8) & 0xff); word = rt2800_eeprom_read(rt2x00dev, EEPROM_LED_POLARITY); rt2800_mcu_request(rt2x00dev, MCU_LED_LED_POLARITY, 0xff, word & 0xff, (word >> 8) & 0xff); return 0; } EXPORT_SYMBOL_GPL(rt2800_enable_radio); void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev) { u32 reg; rt2800_disable_wpdma(rt2x00dev); /* Wait for DMA, ignore error */ rt2800_wait_wpdma_ready(rt2x00dev); reg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 0); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); } EXPORT_SYMBOL_GPL(rt2800_disable_radio); int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev) { u32 reg; u16 efuse_ctrl_reg; if (rt2x00_rt(rt2x00dev, RT3290)) efuse_ctrl_reg = EFUSE_CTRL_3290; else efuse_ctrl_reg = EFUSE_CTRL; reg = rt2800_register_read(rt2x00dev, efuse_ctrl_reg); return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT); } EXPORT_SYMBOL_GPL(rt2800_efuse_detect); static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i) { u32 reg; u16 efuse_ctrl_reg; u16 efuse_data0_reg; u16 efuse_data1_reg; u16 efuse_data2_reg; u16 efuse_data3_reg; if (rt2x00_rt(rt2x00dev, RT3290)) { efuse_ctrl_reg = EFUSE_CTRL_3290; efuse_data0_reg = EFUSE_DATA0_3290; efuse_data1_reg = EFUSE_DATA1_3290; efuse_data2_reg = EFUSE_DATA2_3290; efuse_data3_reg = EFUSE_DATA3_3290; } else { efuse_ctrl_reg = EFUSE_CTRL; efuse_data0_reg = EFUSE_DATA0; efuse_data1_reg = EFUSE_DATA1; efuse_data2_reg = EFUSE_DATA2; efuse_data3_reg = EFUSE_DATA3; } mutex_lock(&rt2x00dev->csr_mutex); reg = rt2800_register_read_lock(rt2x00dev, efuse_ctrl_reg); rt2x00_set_field32(®, EFUSE_CTRL_ADDRESS_IN, i); rt2x00_set_field32(®, EFUSE_CTRL_MODE, 0); rt2x00_set_field32(®, EFUSE_CTRL_KICK, 1); rt2800_register_write_lock(rt2x00dev, efuse_ctrl_reg, reg); /* Wait until the EEPROM has been loaded */ rt2800_regbusy_read(rt2x00dev, efuse_ctrl_reg, EFUSE_CTRL_KICK, ®); /* Apparently the data is read from end to start */ reg = rt2800_register_read_lock(rt2x00dev, efuse_data3_reg); /* The returned value is in CPU order, but eeprom is le */ *(__le32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg); reg = rt2800_register_read_lock(rt2x00dev, efuse_data2_reg); *(__le32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg); reg = rt2800_register_read_lock(rt2x00dev, efuse_data1_reg); *(__le32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg); reg = rt2800_register_read_lock(rt2x00dev, efuse_data0_reg); *(__le32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg); mutex_unlock(&rt2x00dev->csr_mutex); } int rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) { unsigned int i; for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8) rt2800_efuse_read(rt2x00dev, i); return 0; } EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse); static u8 rt2800_get_txmixer_gain_24g(struct rt2x00_dev *rt2x00dev) { u16 word; if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) return 0; word = rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG); if ((word & 0x00ff) != 0x00ff) return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL); return 0; } static u8 rt2800_get_txmixer_gain_5g(struct rt2x00_dev *rt2x00dev) { u16 word; if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) return 0; word = rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A); if ((word & 0x00ff) != 0x00ff) return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL); return 0; } static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u16 word; u8 *mac; u8 default_lna_gain; int retval; /* * Read the EEPROM. */ retval = rt2800_read_eeprom(rt2x00dev); if (retval) return retval; /* * Start validation of the data that has been read. */ mac = rt2800_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); rt2x00lib_set_mac_address(rt2x00dev, mac); word = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2); rt2x00_set_field16(&word, EEPROM_NIC_CONF0_TXPATH, 1); rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RF_TYPE, RF2820); rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word); rt2x00_eeprom_dbg(rt2x00dev, "Antenna: 0x%04x\n", word); } else if (rt2x00_rt(rt2x00dev, RT2860) || rt2x00_rt(rt2x00dev, RT2872)) { /* * There is a max of 2 RX streams for RT28x0 series */ if (rt2x00_get_field16(word, EEPROM_NIC_CONF0_RXPATH) > 2) rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2); rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word); } word = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_NIC_CONF1_HW_RADIO, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_CARDBUS_ACCEL, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_2G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_5G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_WPS_PBC, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_2G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_5G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BROADBAND_EXT_LNA, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_ANT_DIVERSITY, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_INTERNAL_TX_ALC, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BT_COEXIST, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_DAC_TEST, 0); rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF1, word); rt2x00_eeprom_dbg(rt2x00dev, "NIC: 0x%04x\n", word); } word = rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ); if ((word & 0x00ff) == 0x00ff) { rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0); rt2800_eeprom_write(rt2x00dev, EEPROM_FREQ, word); rt2x00_eeprom_dbg(rt2x00dev, "Freq: 0x%04x\n", word); } if ((word & 0xff00) == 0xff00) { rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE, LED_MODE_TXRX_ACTIVITY); rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0); rt2800_eeprom_write(rt2x00dev, EEPROM_FREQ, word); rt2800_eeprom_write(rt2x00dev, EEPROM_LED_AG_CONF, 0x5555); rt2800_eeprom_write(rt2x00dev, EEPROM_LED_ACT_CONF, 0x2221); rt2800_eeprom_write(rt2x00dev, EEPROM_LED_POLARITY, 0xa9f8); rt2x00_eeprom_dbg(rt2x00dev, "Led Mode: 0x%04x\n", word); } /* * During the LNA validation we are going to use * lna0 as correct value. Note that EEPROM_LNA * is never validated. */ word = rt2800_eeprom_read(rt2x00dev, EEPROM_LNA); default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0); word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0); rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word); drv_data->txmixer_gain_24g = rt2800_get_txmixer_gain_24g(rt2x00dev); word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0); if (!rt2x00_rt(rt2x00dev, RT3593) && !rt2x00_rt(rt2x00dev, RT3883)) { if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 || rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff) rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1, default_lna_gain); } rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word); drv_data->txmixer_gain_5g = rt2800_get_txmixer_gain_5g(rt2x00dev); word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0); rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word); word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0); if (!rt2x00_rt(rt2x00dev, RT3593) && !rt2x00_rt(rt2x00dev, RT3883)) { if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 || rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff) rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2, default_lna_gain); } rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word); if (rt2x00_rt(rt2x00dev, RT3593) || rt2x00_rt(rt2x00dev, RT3883)) { word = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2); if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0x00 || rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0xff) rt2x00_set_field16(&word, EEPROM_EXT_LNA2_A1, default_lna_gain); if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A2) == 0x00 || rt2x00_get_field16(word, EEPROM_EXT_LNA2_A2) == 0xff) rt2x00_set_field16(&word, EEPROM_EXT_LNA2_A1, default_lna_gain); rt2800_eeprom_write(rt2x00dev, EEPROM_EXT_LNA2, word); } return 0; } static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev) { u16 value; u16 eeprom; u16 rf; /* * Read EEPROM word for configuration. */ eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0); /* * Identify RF chipset by EEPROM value * RT28xx/RT30xx: defined in "EEPROM_NIC_CONF0_RF_TYPE" field * RT53xx: defined in "EEPROM_CHIP_ID" field */ if (rt2x00_rt(rt2x00dev, RT3290) || rt2x00_rt(rt2x00dev, RT5390) || rt2x00_rt(rt2x00dev, RT5392) || rt2x00_rt(rt2x00dev, RT6352)) rf = rt2800_eeprom_read(rt2x00dev, EEPROM_CHIP_ID); else if (rt2x00_rt(rt2x00dev, RT3352)) rf = RF3322; else if (rt2x00_rt(rt2x00dev, RT3883)) rf = RF3853; else if (rt2x00_rt(rt2x00dev, RT5350)) rf = RF5350; else if (rt2x00_rt(rt2x00dev, RT5592)) rf = RF5592; else rf = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE); switch (rf) { case RF2820: case RF2850: case RF2720: case RF2750: case RF3020: case RF2020: case RF3021: case RF3022: case RF3052: case RF3053: case RF3070: case RF3290: case RF3320: case RF3322: case RF3853: case RF5350: case RF5360: case RF5362: case RF5370: case RF5372: case RF5390: case RF5392: case RF5592: case RF7620: break; default: rt2x00_err(rt2x00dev, "Invalid RF chipset 0x%04x detected\n", rf); return -ENODEV; } rt2x00_set_rf(rt2x00dev, rf); /* * Identify default antenna configuration. */ rt2x00dev->default_ant.tx_chain_num = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH); rt2x00dev->default_ant.rx_chain_num = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH); eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3352) || rt2x00_rt(rt2x00dev, RT3390)) { value = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY); switch (value) { case 0: case 1: case 2: rt2x00dev->default_ant.tx = ANTENNA_A; rt2x00dev->default_ant.rx = ANTENNA_A; break; case 3: rt2x00dev->default_ant.tx = ANTENNA_A; rt2x00dev->default_ant.rx = ANTENNA_B; break; } } else { rt2x00dev->default_ant.tx = ANTENNA_A; rt2x00dev->default_ant.rx = ANTENNA_A; } /* These chips have hardware RX antenna diversity */ if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R) || rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5370G)) { rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; /* Unused */ rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; /* Unused */ } /* * Determine external LNA informations. */ if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G)) __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G)) __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags); /* * Detect if this device has an hardware controlled radio. */ if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO)) __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags); /* * Detect if this device has Bluetooth co-existence. */ if (!rt2x00_rt(rt2x00dev, RT3352) && rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST)) __set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags); /* * Read frequency offset and RF programming sequence. */ eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ); rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET); /* * Store led settings, for correct led behaviour. */ #ifdef CONFIG_RT2X00_LIB_LEDS rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC); rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY); rt2x00dev->led_mcu_reg = eeprom; #endif /* CONFIG_RT2X00_LIB_LEDS */ /* * Check if support EIRP tx power limit feature. */ eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER); if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) < EIRP_MAX_TX_POWER_LIMIT) __set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags); /* * Detect if device uses internal or external PA */ eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1); if (rt2x00_rt(rt2x00dev, RT3352) || rt2x00_rt(rt2x00dev, RT6352)) { if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_TX0_PA_3352)) __set_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_TX1_PA_3352)) __set_bit(CAPABILITY_EXTERNAL_PA_TX1, &rt2x00dev->cap_flags); } eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF2); if (rt2x00_rt(rt2x00dev, RT6352) && eeprom != 0 && eeprom != 0xffff) { if (!rt2x00_get_field16(eeprom, EEPROM_NIC_CONF2_EXTERNAL_PA)) { __clear_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags); __clear_bit(CAPABILITY_EXTERNAL_PA_TX1, &rt2x00dev->cap_flags); } } return 0; } /* * RF value list for rt28xx * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750) */ static const struct rf_channel rf_vals[] = { { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b }, { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f }, { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b }, { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f }, { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b }, { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f }, { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b }, { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f }, { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b }, { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f }, { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b }, { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f }, { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b }, { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 }, /* 802.11 UNI / HyperLan 2 */ { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 }, { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 }, { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 }, { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 }, { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b }, { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b }, { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 }, { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 }, { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b }, { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 }, { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 }, { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 }, /* 802.11 HyperLan 2 */ { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 }, { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 }, { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 }, { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 }, { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 }, { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b }, { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 }, { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 }, { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 }, { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 }, { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b }, { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 }, { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b }, { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 }, { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b }, { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 }, /* 802.11 UNII */ { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 }, { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 }, { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f }, { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f }, { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 }, { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 }, { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 }, { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f }, { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 }, { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 }, { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f }, /* 802.11 Japan */ { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b }, { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 }, { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b }, { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 }, { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 }, { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b }, { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 }, }; /* * RF value list for rt3xxx * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052 & RF3053) */ static const struct rf_channel rf_vals_3x[] = { {1, 241, 2, 2 }, {2, 241, 2, 7 }, {3, 242, 2, 2 }, {4, 242, 2, 7 }, {5, 243, 2, 2 }, {6, 243, 2, 7 }, {7, 244, 2, 2 }, {8, 244, 2, 7 }, {9, 245, 2, 2 }, {10, 245, 2, 7 }, {11, 246, 2, 2 }, {12, 246, 2, 7 }, {13, 247, 2, 2 }, {14, 248, 2, 4 }, /* 802.11 UNI / HyperLan 2 */ {36, 0x56, 0, 4}, {38, 0x56, 0, 6}, {40, 0x56, 0, 8}, {44, 0x57, 0, 0}, {46, 0x57, 0, 2}, {48, 0x57, 0, 4}, {52, 0x57, 0, 8}, {54, 0x57, 0, 10}, {56, 0x58, 0, 0}, {60, 0x58, 0, 4}, {62, 0x58, 0, 6}, {64, 0x58, 0, 8}, /* 802.11 HyperLan 2 */ {100, 0x5b, 0, 8}, {102, 0x5b, 0, 10}, {104, 0x5c, 0, 0}, {108, 0x5c, 0, 4}, {110, 0x5c, 0, 6}, {112, 0x5c, 0, 8}, {116, 0x5d, 0, 0}, {118, 0x5d, 0, 2}, {120, 0x5d, 0, 4}, {124, 0x5d, 0, 8}, {126, 0x5d, 0, 10}, {128, 0x5e, 0, 0}, {132, 0x5e, 0, 4}, {134, 0x5e, 0, 6}, {136, 0x5e, 0, 8}, {140, 0x5f, 0, 0}, /* 802.11 UNII */ {149, 0x5f, 0, 9}, {151, 0x5f, 0, 11}, {153, 0x60, 0, 1}, {157, 0x60, 0, 5}, {159, 0x60, 0, 7}, {161, 0x60, 0, 9}, {165, 0x61, 0, 1}, {167, 0x61, 0, 3}, {169, 0x61, 0, 5}, {171, 0x61, 0, 7}, {173, 0x61, 0, 9}, }; /* * RF value list for rt3xxx with Xtal20MHz * Supports: 2.4 GHz (all) (RF3322) */ static const struct rf_channel rf_vals_3x_xtal20[] = { {1, 0xE2, 2, 0x14}, {2, 0xE3, 2, 0x14}, {3, 0xE4, 2, 0x14}, {4, 0xE5, 2, 0x14}, {5, 0xE6, 2, 0x14}, {6, 0xE7, 2, 0x14}, {7, 0xE8, 2, 0x14}, {8, 0xE9, 2, 0x14}, {9, 0xEA, 2, 0x14}, {10, 0xEB, 2, 0x14}, {11, 0xEC, 2, 0x14}, {12, 0xED, 2, 0x14}, {13, 0xEE, 2, 0x14}, {14, 0xF0, 2, 0x18}, }; static const struct rf_channel rf_vals_3853[] = { {1, 241, 6, 2}, {2, 241, 6, 7}, {3, 242, 6, 2}, {4, 242, 6, 7}, {5, 243, 6, 2}, {6, 243, 6, 7}, {7, 244, 6, 2}, {8, 244, 6, 7}, {9, 245, 6, 2}, {10, 245, 6, 7}, {11, 246, 6, 2}, {12, 246, 6, 7}, {13, 247, 6, 2}, {14, 248, 6, 4}, {36, 0x56, 8, 4}, {38, 0x56, 8, 6}, {40, 0x56, 8, 8}, {44, 0x57, 8, 0}, {46, 0x57, 8, 2}, {48, 0x57, 8, 4}, {52, 0x57, 8, 8}, {54, 0x57, 8, 10}, {56, 0x58, 8, 0}, {60, 0x58, 8, 4}, {62, 0x58, 8, 6}, {64, 0x58, 8, 8}, {100, 0x5b, 8, 8}, {102, 0x5b, 8, 10}, {104, 0x5c, 8, 0}, {108, 0x5c, 8, 4}, {110, 0x5c, 8, 6}, {112, 0x5c, 8, 8}, {114, 0x5c, 8, 10}, {116, 0x5d, 8, 0}, {118, 0x5d, 8, 2}, {120, 0x5d, 8, 4}, {124, 0x5d, 8, 8}, {126, 0x5d, 8, 10}, {128, 0x5e, 8, 0}, {132, 0x5e, 8, 4}, {134, 0x5e, 8, 6}, {136, 0x5e, 8, 8}, {140, 0x5f, 8, 0}, {149, 0x5f, 8, 9}, {151, 0x5f, 8, 11}, {153, 0x60, 8, 1}, {157, 0x60, 8, 5}, {159, 0x60, 8, 7}, {161, 0x60, 8, 9}, {165, 0x61, 8, 1}, {167, 0x61, 8, 3}, {169, 0x61, 8, 5}, {171, 0x61, 8, 7}, {173, 0x61, 8, 9}, }; static const struct rf_channel rf_vals_5592_xtal20[] = { /* Channel, N, K, mod, R */ {1, 482, 4, 10, 3}, {2, 483, 4, 10, 3}, {3, 484, 4, 10, 3}, {4, 485, 4, 10, 3}, {5, 486, 4, 10, 3}, {6, 487, 4, 10, 3}, {7, 488, 4, 10, 3}, {8, 489, 4, 10, 3}, {9, 490, 4, 10, 3}, {10, 491, 4, 10, 3}, {11, 492, 4, 10, 3}, {12, 493, 4, 10, 3}, {13, 494, 4, 10, 3}, {14, 496, 8, 10, 3}, {36, 172, 8, 12, 1}, {38, 173, 0, 12, 1}, {40, 173, 4, 12, 1}, {42, 173, 8, 12, 1}, {44, 174, 0, 12, 1}, {46, 174, 4, 12, 1}, {48, 174, 8, 12, 1}, {50, 175, 0, 12, 1}, {52, 175, 4, 12, 1}, {54, 175, 8, 12, 1}, {56, 176, 0, 12, 1}, {58, 176, 4, 12, 1}, {60, 176, 8, 12, 1}, {62, 177, 0, 12, 1}, {64, 177, 4, 12, 1}, {100, 183, 4, 12, 1}, {102, 183, 8, 12, 1}, {104, 184, 0, 12, 1}, {106, 184, 4, 12, 1}, {108, 184, 8, 12, 1}, {110, 185, 0, 12, 1}, {112, 185, 4, 12, 1}, {114, 185, 8, 12, 1}, {116, 186, 0, 12, 1}, {118, 186, 4, 12, 1}, {120, 186, 8, 12, 1}, {122, 187, 0, 12, 1}, {124, 187, 4, 12, 1}, {126, 187, 8, 12, 1}, {128, 188, 0, 12, 1}, {130, 188, 4, 12, 1}, {132, 188, 8, 12, 1}, {134, 189, 0, 12, 1}, {136, 189, 4, 12, 1}, {138, 189, 8, 12, 1}, {140, 190, 0, 12, 1}, {149, 191, 6, 12, 1}, {151, 191, 10, 12, 1}, {153, 192, 2, 12, 1}, {155, 192, 6, 12, 1}, {157, 192, 10, 12, 1}, {159, 193, 2, 12, 1}, {161, 193, 6, 12, 1}, {165, 194, 2, 12, 1}, {184, 164, 0, 12, 1}, {188, 164, 4, 12, 1}, {192, 165, 8, 12, 1}, {196, 166, 0, 12, 1}, }; static const struct rf_channel rf_vals_5592_xtal40[] = { /* Channel, N, K, mod, R */ {1, 241, 2, 10, 3}, {2, 241, 7, 10, 3}, {3, 242, 2, 10, 3}, {4, 242, 7, 10, 3}, {5, 243, 2, 10, 3}, {6, 243, 7, 10, 3}, {7, 244, 2, 10, 3}, {8, 244, 7, 10, 3}, {9, 245, 2, 10, 3}, {10, 245, 7, 10, 3}, {11, 246, 2, 10, 3}, {12, 246, 7, 10, 3}, {13, 247, 2, 10, 3}, {14, 248, 4, 10, 3}, {36, 86, 4, 12, 1}, {38, 86, 6, 12, 1}, {40, 86, 8, 12, 1}, {42, 86, 10, 12, 1}, {44, 87, 0, 12, 1}, {46, 87, 2, 12, 1}, {48, 87, 4, 12, 1}, {50, 87, 6, 12, 1}, {52, 87, 8, 12, 1}, {54, 87, 10, 12, 1}, {56, 88, 0, 12, 1}, {58, 88, 2, 12, 1}, {60, 88, 4, 12, 1}, {62, 88, 6, 12, 1}, {64, 88, 8, 12, 1}, {100, 91, 8, 12, 1}, {102, 91, 10, 12, 1}, {104, 92, 0, 12, 1}, {106, 92, 2, 12, 1}, {108, 92, 4, 12, 1}, {110, 92, 6, 12, 1}, {112, 92, 8, 12, 1}, {114, 92, 10, 12, 1}, {116, 93, 0, 12, 1}, {118, 93, 2, 12, 1}, {120, 93, 4, 12, 1}, {122, 93, 6, 12, 1}, {124, 93, 8, 12, 1}, {126, 93, 10, 12, 1}, {128, 94, 0, 12, 1}, {130, 94, 2, 12, 1}, {132, 94, 4, 12, 1}, {134, 94, 6, 12, 1}, {136, 94, 8, 12, 1}, {138, 94, 10, 12, 1}, {140, 95, 0, 12, 1}, {149, 95, 9, 12, 1}, {151, 95, 11, 12, 1}, {153, 96, 1, 12, 1}, {155, 96, 3, 12, 1}, {157, 96, 5, 12, 1}, {159, 96, 7, 12, 1}, {161, 96, 9, 12, 1}, {165, 97, 1, 12, 1}, {184, 82, 0, 12, 1}, {188, 82, 4, 12, 1}, {192, 82, 8, 12, 1}, {196, 83, 0, 12, 1}, }; static const struct rf_channel rf_vals_7620[] = { {1, 0x50, 0x99, 0x99, 1}, {2, 0x50, 0x44, 0x44, 2}, {3, 0x50, 0xEE, 0xEE, 2}, {4, 0x50, 0x99, 0x99, 3}, {5, 0x51, 0x44, 0x44, 0}, {6, 0x51, 0xEE, 0xEE, 0}, {7, 0x51, 0x99, 0x99, 1}, {8, 0x51, 0x44, 0x44, 2}, {9, 0x51, 0xEE, 0xEE, 2}, {10, 0x51, 0x99, 0x99, 3}, {11, 0x52, 0x44, 0x44, 0}, {12, 0x52, 0xEE, 0xEE, 0}, {13, 0x52, 0x99, 0x99, 1}, {14, 0x52, 0x33, 0x33, 3}, }; static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) { struct hw_mode_spec *spec = &rt2x00dev->spec; struct channel_info *info; s8 *default_power1; s8 *default_power2; s8 *default_power3; unsigned int i, tx_chains, rx_chains; u32 reg; /* * Disable powersaving as default. */ rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; /* * Change default retry settings to values corresponding more closely * to rate[0].count setting of minstrel rate control algorithm. */ rt2x00dev->hw->wiphy->retry_short = 2; rt2x00dev->hw->wiphy->retry_long = 2; /* * Initialize all hw fields. */ ieee80211_hw_set(rt2x00dev->hw, REPORTS_TX_ACK_STATUS); ieee80211_hw_set(rt2x00dev->hw, AMPDU_AGGREGATION); ieee80211_hw_set(rt2x00dev->hw, PS_NULLFUNC_STACK); ieee80211_hw_set(rt2x00dev->hw, SIGNAL_DBM); ieee80211_hw_set(rt2x00dev->hw, SUPPORTS_PS); /* * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices * unless we are capable of sending the buffered frames out after the * DTIM transmission using rt2x00lib_beacondone. This will send out * multicast and broadcast traffic immediately instead of buffering it * infinitly and thus dropping it after some time. */ if (!rt2x00_is_usb(rt2x00dev)) ieee80211_hw_set(rt2x00dev->hw, HOST_BROADCAST_PS_BUFFERING); ieee80211_hw_set(rt2x00dev->hw, MFP_CAPABLE); SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, rt2800_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0)); /* * As rt2800 has a global fallback table we cannot specify * more then one tx rate per frame but since the hw will * try several rates (based on the fallback table) we should * initialize max_report_rates to the maximum number of rates * we are going to try. Otherwise mac80211 will truncate our * reported tx rates and the rc algortihm will end up with * incorrect data. */ rt2x00dev->hw->max_rates = 1; rt2x00dev->hw->max_report_rates = 7; rt2x00dev->hw->max_rate_tries = 1; /* * Initialize hw_mode information. */ spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM; switch (rt2x00dev->chip.rf) { case RF2720: case RF2820: spec->num_channels = 14; spec->channels = rf_vals; break; case RF2750: case RF2850: spec->num_channels = ARRAY_SIZE(rf_vals); spec->channels = rf_vals; break; case RF2020: case RF3020: case RF3021: case RF3022: case RF3070: case RF3290: case RF3320: case RF3322: case RF5350: case RF5360: case RF5362: case RF5370: case RF5372: case RF5390: case RF5392: spec->num_channels = 14; if (rt2800_clk_is_20mhz(rt2x00dev)) spec->channels = rf_vals_3x_xtal20; else spec->channels = rf_vals_3x; break; case RF7620: spec->num_channels = ARRAY_SIZE(rf_vals_7620); spec->channels = rf_vals_7620; break; case RF3052: case RF3053: spec->num_channels = ARRAY_SIZE(rf_vals_3x); spec->channels = rf_vals_3x; break; case RF3853: spec->num_channels = ARRAY_SIZE(rf_vals_3853); spec->channels = rf_vals_3853; break; case RF5592: reg = rt2800_register_read(rt2x00dev, MAC_DEBUG_INDEX); if (rt2x00_get_field32(reg, MAC_DEBUG_INDEX_XTAL)) { spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal40); spec->channels = rf_vals_5592_xtal40; } else { spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal20); spec->channels = rf_vals_5592_xtal20; } break; } if (WARN_ON_ONCE(!spec->channels)) return -ENODEV; spec->supported_bands = SUPPORT_BAND_2GHZ; if (spec->num_channels > 14) spec->supported_bands |= SUPPORT_BAND_5GHZ; /* * Initialize HT information. */ if (!rt2x00_rf(rt2x00dev, RF2020)) spec->ht.ht_supported = true; else spec->ht.ht_supported = false; spec->ht.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40; tx_chains = rt2x00dev->default_ant.tx_chain_num; rx_chains = rt2x00dev->default_ant.rx_chain_num; if (tx_chains >= 2) spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC; spec->ht.cap |= rx_chains << IEEE80211_HT_CAP_RX_STBC_SHIFT; spec->ht.ampdu_factor = (rx_chains > 1) ? 3 : 2; spec->ht.ampdu_density = 4; spec->ht.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; if (tx_chains != rx_chains) { spec->ht.mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; spec->ht.mcs.tx_params |= (tx_chains - 1) << IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; } switch (rx_chains) { case 3: spec->ht.mcs.rx_mask[2] = 0xff; fallthrough; case 2: spec->ht.mcs.rx_mask[1] = 0xff; fallthrough; case 1: spec->ht.mcs.rx_mask[0] = 0xff; spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */ break; } /* * Create channel information and survey arrays */ info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; rt2x00dev->chan_survey = kcalloc(spec->num_channels, sizeof(struct rt2x00_chan_survey), GFP_KERNEL); if (!rt2x00dev->chan_survey) { kfree(info); return -ENOMEM; } spec->channels_info = info; default_power1 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1); default_power2 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2); if (rt2x00dev->default_ant.tx_chain_num > 2) default_power3 = rt2800_eeprom_addr(rt2x00dev, EEPROM_EXT_TXPOWER_BG3); else default_power3 = NULL; for (i = 0; i < 14; i++) { info[i].default_power1 = default_power1[i]; info[i].default_power2 = default_power2[i]; if (default_power3) info[i].default_power3 = default_power3[i]; } if (spec->num_channels > 14) { default_power1 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1); default_power2 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2); if (rt2x00dev->default_ant.tx_chain_num > 2) default_power3 = rt2800_eeprom_addr(rt2x00dev, EEPROM_EXT_TXPOWER_A3); else default_power3 = NULL; for (i = 14; i < spec->num_channels; i++) { info[i].default_power1 = default_power1[i - 14]; info[i].default_power2 = default_power2[i - 14]; if (default_power3) info[i].default_power3 = default_power3[i - 14]; } } switch (rt2x00dev->chip.rf) { case RF2020: case RF3020: case RF3021: case RF3022: case RF3320: case RF3052: case RF3053: case RF3070: case RF3290: case RF3853: case RF5350: case RF5360: case RF5362: case RF5370: case RF5372: case RF5390: case RF5392: case RF5592: case RF7620: __set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags); break; } return 0; } static int rt2800_probe_rt(struct rt2x00_dev *rt2x00dev) { u32 reg; u32 rt; u32 rev; if (rt2x00_rt(rt2x00dev, RT3290)) reg = rt2800_register_read(rt2x00dev, MAC_CSR0_3290); else reg = rt2800_register_read(rt2x00dev, MAC_CSR0); rt = rt2x00_get_field32(reg, MAC_CSR0_CHIPSET); rev = rt2x00_get_field32(reg, MAC_CSR0_REVISION); switch (rt) { case RT2860: case RT2872: case RT2883: case RT3070: case RT3071: case RT3090: case RT3290: case RT3352: case RT3390: case RT3572: case RT3593: case RT3883: case RT5350: case RT5390: case RT5392: case RT5592: break; default: rt2x00_err(rt2x00dev, "Invalid RT chipset 0x%04x, rev %04x detected\n", rt, rev); return -ENODEV; } if (rt == RT5390 && rt2x00_is_soc(rt2x00dev)) rt = RT6352; rt2x00_set_rt(rt2x00dev, rt, rev); return 0; } int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; u32 reg; retval = rt2800_probe_rt(rt2x00dev); if (retval) return retval; /* * Allocate eeprom data. */ retval = rt2800_validate_eeprom(rt2x00dev); if (retval) return retval; retval = rt2800_init_eeprom(rt2x00dev); if (retval) return retval; /* * Enable rfkill polling by setting GPIO direction of the * rfkill switch GPIO pin correctly. */ reg = rt2800_register_read(rt2x00dev, GPIO_CTRL); rt2x00_set_field32(®, GPIO_CTRL_DIR2, 1); rt2800_register_write(rt2x00dev, GPIO_CTRL, reg); /* * Initialize hw specifications. */ retval = rt2800_probe_hw_mode(rt2x00dev); if (retval) return retval; /* * Set device capabilities. */ __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags); __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags); if (!rt2x00_is_usb(rt2x00dev)) __set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags); /* * Set device requirements. */ if (!rt2x00_is_soc(rt2x00dev)) __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags); __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags); __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags); if (!rt2800_hwcrypt_disabled(rt2x00dev)) __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags); __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags); __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags); if (rt2x00_is_usb(rt2x00dev)) __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags); else { __set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags); __set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags); } rt2x00dev->link.watchdog = modparam_watchdog; /* USB NICs don't support DMA watchdog as INT_SOURCE_CSR is invalid */ if (rt2x00_is_usb(rt2x00dev)) rt2x00dev->link.watchdog &= ~RT2800_WATCHDOG_DMA_BUSY; if (rt2x00dev->link.watchdog) { __set_bit(CAPABILITY_RESTART_HW, &rt2x00dev->cap_flags); rt2x00dev->link.watchdog_interval = msecs_to_jiffies(100); } /* * Set the rssi offset. */ rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; return 0; } EXPORT_SYMBOL_GPL(rt2800_probe_hw); /* * IEEE80211 stack callback functions. */ void rt2800_get_key_seq(struct ieee80211_hw *hw, struct ieee80211_key_conf *key, struct ieee80211_key_seq *seq) { struct rt2x00_dev *rt2x00dev = hw->priv; struct mac_iveiv_entry iveiv_entry; u32 offset; if (key->cipher != WLAN_CIPHER_SUITE_TKIP) return; offset = MAC_IVEIV_ENTRY(key->hw_key_idx); rt2800_register_multiread(rt2x00dev, offset, &iveiv_entry, sizeof(iveiv_entry)); memcpy(&seq->tkip.iv16, &iveiv_entry.iv[0], 2); memcpy(&seq->tkip.iv32, &iveiv_entry.iv[4], 4); } EXPORT_SYMBOL_GPL(rt2800_get_key_seq); int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value) { struct rt2x00_dev *rt2x00dev = hw->priv; u32 reg; bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD); reg = rt2800_register_read(rt2x00dev, TX_RTS_CFG); rt2x00_set_field32(®, TX_RTS_CFG_RTS_THRES, value); rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg); reg = rt2800_register_read(rt2x00dev, CCK_PROT_CFG); rt2x00_set_field32(®, CCK_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, OFDM_PROT_CFG); rt2x00_set_field32(®, OFDM_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, MM20_PROT_CFG); rt2x00_set_field32(®, MM20_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, MM40_PROT_CFG); rt2x00_set_field32(®, MM40_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, GF20_PROT_CFG); rt2x00_set_field32(®, GF20_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg); reg = rt2800_register_read(rt2x00dev, GF40_PROT_CFG); rt2x00_set_field32(®, GF40_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg); return 0; } EXPORT_SYMBOL_GPL(rt2800_set_rts_threshold); int rt2800_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, unsigned int link_id, u16 queue_idx, const struct ieee80211_tx_queue_params *params) { struct rt2x00_dev *rt2x00dev = hw->priv; struct data_queue *queue; struct rt2x00_field32 field; int retval; u32 reg; u32 offset; /* * First pass the configuration through rt2x00lib, that will * update the queue settings and validate the input. After that * we are free to update the registers based on the value * in the queue parameter. */ retval = rt2x00mac_conf_tx(hw, vif, link_id, queue_idx, params); if (retval) return retval; /* * We only need to perform additional register initialization * for WMM queues/ */ if (queue_idx >= 4) return 0; queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx); /* Update WMM TXOP register */ offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2))); field.bit_offset = (queue_idx & 1) * 16; field.bit_mask = 0xffff << field.bit_offset; reg = rt2800_register_read(rt2x00dev, offset); rt2x00_set_field32(®, field, queue->txop); rt2800_register_write(rt2x00dev, offset, reg); /* Update WMM registers */ field.bit_offset = queue_idx * 4; field.bit_mask = 0xf << field.bit_offset; reg = rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG); rt2x00_set_field32(®, field, queue->aifs); rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg); reg = rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG); rt2x00_set_field32(®, field, queue->cw_min); rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg); reg = rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG); rt2x00_set_field32(®, field, queue->cw_max); rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg); /* Update EDCA registers */ offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx); reg = rt2800_register_read(rt2x00dev, offset); rt2x00_set_field32(®, EDCA_AC0_CFG_TX_OP, queue->txop); rt2x00_set_field32(®, EDCA_AC0_CFG_AIFSN, queue->aifs); rt2x00_set_field32(®, EDCA_AC0_CFG_CWMIN, queue->cw_min); rt2x00_set_field32(®, EDCA_AC0_CFG_CWMAX, queue->cw_max); rt2800_register_write(rt2x00dev, offset, reg); return 0; } EXPORT_SYMBOL_GPL(rt2800_conf_tx); u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct rt2x00_dev *rt2x00dev = hw->priv; u64 tsf; u32 reg; reg = rt2800_register_read(rt2x00dev, TSF_TIMER_DW1); tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32; reg = rt2800_register_read(rt2x00dev, TSF_TIMER_DW0); tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD); return tsf; } EXPORT_SYMBOL_GPL(rt2800_get_tsf); int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_ampdu_params *params) { struct ieee80211_sta *sta = params->sta; enum ieee80211_ampdu_mlme_action action = params->action; u16 tid = params->tid; struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv; int ret = 0; /* * Don't allow aggregation for stations the hardware isn't aware * of because tx status reports for frames to an unknown station * always contain wcid=WCID_END+1 and thus we can't distinguish * between multiple stations which leads to unwanted situations * when the hw reorders frames due to aggregation. */ if (sta_priv->wcid > WCID_END) return -ENOSPC; switch (action) { case IEEE80211_AMPDU_RX_START: case IEEE80211_AMPDU_RX_STOP: /* * The hw itself takes care of setting up BlockAck mechanisms. * So, we only have to allow mac80211 to nagotiate a BlockAck * agreement. Once that is done, the hw will BlockAck incoming * AMPDUs without further setup. */ break; case IEEE80211_AMPDU_TX_START: ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; break; case IEEE80211_AMPDU_TX_STOP_CONT: case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); break; case IEEE80211_AMPDU_TX_OPERATIONAL: break; default: rt2x00_warn((struct rt2x00_dev *)hw->priv, "Unknown AMPDU action\n"); } return ret; } EXPORT_SYMBOL_GPL(rt2800_ampdu_action); int rt2800_get_survey(struct ieee80211_hw *hw, int idx, struct survey_info *survey) { struct rt2x00_dev *rt2x00dev = hw->priv; struct rt2x00_chan_survey *chan_survey = &rt2x00dev->chan_survey[idx]; enum nl80211_band band = NL80211_BAND_2GHZ; if (idx >= rt2x00dev->bands[band].n_channels) { idx -= rt2x00dev->bands[band].n_channels; band = NL80211_BAND_5GHZ; } if (idx >= rt2x00dev->bands[band].n_channels) return -ENOENT; if (idx == 0) rt2800_update_survey(rt2x00dev); survey->channel = &rt2x00dev->bands[band].channels[idx]; survey->filled = SURVEY_INFO_TIME | SURVEY_INFO_TIME_BUSY | SURVEY_INFO_TIME_EXT_BUSY; survey->time = div_u64(chan_survey->time_idle + chan_survey->time_busy, 1000); survey->time_busy = div_u64(chan_survey->time_busy, 1000); survey->time_ext_busy = div_u64(chan_survey->time_ext_busy, 1000); if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)) survey->filled |= SURVEY_INFO_IN_USE; return 0; } EXPORT_SYMBOL_GPL(rt2800_get_survey); MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz"); MODULE_VERSION(DRV_VERSION); MODULE_DESCRIPTION("Ralink RT2800 library"); MODULE_LICENSE("GPL");
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