| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Andrew Lunn | 5278 | 46.60% | 35 | 28.93% |
| Heiner Kallweit | 1160 | 10.24% | 9 | 7.44% |
| Charles-Antoine Couret | 602 | 5.32% | 4 | 3.31% |
| Andy Fleming | 559 | 4.94% | 2 | 1.65% |
| Russell King | 555 | 4.90% | 13 | 10.74% |
| David Daney | 464 | 4.10% | 3 | 2.48% |
| Michael Stapelberg | 425 | 3.75% | 1 | 0.83% |
| Sebastian Hesselbarth | 253 | 2.23% | 2 | 1.65% |
| Clemens Gruber | 214 | 1.89% | 3 | 2.48% |
| Maxim Kochetkov | 212 | 1.87% | 2 | 1.65% |
| Ron Madrid | 203 | 1.79% | 1 | 0.83% |
| Cyril Chemparathy | 159 | 1.40% | 3 | 2.48% |
| Michal Simek | 150 | 1.32% | 3 | 2.48% |
| Kim Phillips | 123 | 1.09% | 2 | 1.65% |
| David Thomson | 120 | 1.06% | 1 | 0.83% |
| Dongsheng Wang | 96 | 0.85% | 1 | 0.83% |
| Sergei Poselenov | 92 | 0.81% | 1 | 0.83% |
| Olof Johansson | 81 | 0.72% | 3 | 2.48% |
| Alexandr Smirnov | 73 | 0.64% | 1 | 0.83% |
| Liu Yu | 69 | 0.61% | 1 | 0.83% |
| Florian Fainelli | 58 | 0.51% | 2 | 1.65% |
| Esben Haabendal | 54 | 0.48% | 1 | 0.83% |
| David Woodhouse | 45 | 0.40% | 1 | 0.83% |
| Anatolij Gustschin | 40 | 0.35% | 1 | 0.83% |
| Anton Vorontsov | 39 | 0.34% | 1 | 0.83% |
| Viet Nga Dao | 36 | 0.32% | 1 | 0.83% |
| Benjamin Herrenschmidt | 34 | 0.30% | 1 | 0.83% |
| Jingju Hou | 25 | 0.22% | 2 | 1.65% |
| Kapil Juneja | 23 | 0.20% | 1 | 0.83% |
| Stefan Roese | 23 | 0.20% | 1 | 0.83% |
| Jian Shen | 17 | 0.15% | 1 | 0.83% |
| Madalin Bucur | 6 | 0.05% | 1 | 0.83% |
| Arnd Bergmann | 6 | 0.05% | 1 | 0.83% |
| Lin Yun Sheng | 5 | 0.04% | 1 | 0.83% |
| Dan Murphy | 5 | 0.04% | 1 | 0.83% |
| Srinivas Kandagatla | 3 | 0.03% | 1 | 0.83% |
| Dan Carpenter | 3 | 0.03% | 1 | 0.83% |
| Colin Ian King | 3 | 0.03% | 1 | 0.83% |
| Johan Hovold | 2 | 0.02% | 1 | 0.83% |
| Avinash Kumar | 2 | 0.02% | 1 | 0.83% |
| David S. Miller | 2 | 0.02% | 2 | 1.65% |
| Uwe Kleine-König | 1 | 0.01% | 1 | 0.83% |
| Zhao Qiang | 1 | 0.01% | 1 | 0.83% |
| JiSheng Zhang | 1 | 0.01% | 1 | 0.83% |
| Linus Torvalds | 1 | 0.01% | 1 | 0.83% |
| Wang Jian | 1 | 0.01% | 1 | 0.83% |
| Arnaud Patard | 1 | 0.01% | 1 | 0.83% |
| Total | 11325 | 121 |
// SPDX-License-Identifier: GPL-2.0+ /* * drivers/net/phy/marvell.c * * Driver for Marvell PHYs * * Author: Andy Fleming * * Copyright (c) 2004 Freescale Semiconductor, Inc. * * Copyright (c) 2013 Michael Stapelberg <michael@stapelberg.de> */ #include <linux/kernel.h> #include <linux/string.h> #include <linux/ctype.h> #include <linux/errno.h> #include <linux/unistd.h> #include <linux/hwmon.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> #include <linux/spinlock.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/mii.h> #include <linux/ethtool.h> #include <linux/ethtool_netlink.h> #include <linux/phy.h> #include <linux/marvell_phy.h> #include <linux/bitfield.h> #include <linux/of.h> #include <linux/io.h> #include <asm/irq.h> #include <linux/uaccess.h> #define MII_MARVELL_PHY_PAGE 22 #define MII_MARVELL_COPPER_PAGE 0x00 #define MII_MARVELL_FIBER_PAGE 0x01 #define MII_MARVELL_MSCR_PAGE 0x02 #define MII_MARVELL_LED_PAGE 0x03 #define MII_MARVELL_VCT5_PAGE 0x05 #define MII_MARVELL_MISC_TEST_PAGE 0x06 #define MII_MARVELL_VCT7_PAGE 0x07 #define MII_MARVELL_WOL_PAGE 0x11 #define MII_M1011_IEVENT 0x13 #define MII_M1011_IEVENT_CLEAR 0x0000 #define MII_M1011_IMASK 0x12 #define MII_M1011_IMASK_INIT 0x6400 #define MII_M1011_IMASK_CLEAR 0x0000 #define MII_M1011_PHY_SCR 0x10 #define MII_M1011_PHY_SCR_DOWNSHIFT_EN BIT(11) #define MII_M1011_PHY_SCR_DOWNSHIFT_MASK GENMASK(14, 12) #define MII_M1011_PHY_SCR_DOWNSHIFT_MAX 8 #define MII_M1011_PHY_SCR_MDI (0x0 << 5) #define MII_M1011_PHY_SCR_MDI_X (0x1 << 5) #define MII_M1011_PHY_SCR_AUTO_CROSS (0x3 << 5) #define MII_M1011_PHY_SSR 0x11 #define MII_M1011_PHY_SSR_DOWNSHIFT BIT(5) #define MII_M1111_PHY_LED_CONTROL 0x18 #define MII_M1111_PHY_LED_DIRECT 0x4100 #define MII_M1111_PHY_LED_COMBINE 0x411c #define MII_M1111_PHY_EXT_CR 0x14 #define MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK GENMASK(11, 9) #define MII_M1111_PHY_EXT_CR_DOWNSHIFT_MAX 8 #define MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN BIT(8) #define MII_M1111_RGMII_RX_DELAY BIT(7) #define MII_M1111_RGMII_TX_DELAY BIT(1) #define MII_M1111_PHY_EXT_SR 0x1b #define MII_M1111_HWCFG_MODE_MASK 0xf #define MII_M1111_HWCFG_MODE_FIBER_RGMII 0x3 #define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4 #define MII_M1111_HWCFG_MODE_RTBI 0x7 #define MII_M1111_HWCFG_MODE_COPPER_RTBI 0x9 #define MII_M1111_HWCFG_MODE_COPPER_RGMII 0xb #define MII_M1111_HWCFG_FIBER_COPPER_RES BIT(13) #define MII_M1111_HWCFG_FIBER_COPPER_AUTO BIT(15) #define MII_88E1121_PHY_MSCR_REG 21 #define MII_88E1121_PHY_MSCR_RX_DELAY BIT(5) #define MII_88E1121_PHY_MSCR_TX_DELAY BIT(4) #define MII_88E1121_PHY_MSCR_DELAY_MASK (BIT(5) | BIT(4)) #define MII_88E1121_MISC_TEST 0x1a #define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK 0x1f00 #define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT 8 #define MII_88E1510_MISC_TEST_TEMP_IRQ_EN BIT(7) #define MII_88E1510_MISC_TEST_TEMP_IRQ BIT(6) #define MII_88E1121_MISC_TEST_TEMP_SENSOR_EN BIT(5) #define MII_88E1121_MISC_TEST_TEMP_MASK 0x1f #define MII_88E1510_TEMP_SENSOR 0x1b #define MII_88E1510_TEMP_SENSOR_MASK 0xff #define MII_88E1540_COPPER_CTRL3 0x1a #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK GENMASK(11, 10) #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS 0 #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS 1 #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS 2 #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS 3 #define MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN BIT(9) #define MII_88E6390_MISC_TEST 0x1b #define MII_88E6390_MISC_TEST_SAMPLE_1S 0 #define MII_88E6390_MISC_TEST_SAMPLE_10MS BIT(14) #define MII_88E6390_MISC_TEST_SAMPLE_DISABLE BIT(15) #define MII_88E6390_MISC_TEST_SAMPLE_ENABLE 0 #define MII_88E6390_MISC_TEST_SAMPLE_MASK (0x3 << 14) #define MII_88E6390_TEMP_SENSOR 0x1c #define MII_88E6390_TEMP_SENSOR_MASK 0xff #define MII_88E6390_TEMP_SENSOR_SAMPLES 10 #define MII_88E1318S_PHY_MSCR1_REG 16 #define MII_88E1318S_PHY_MSCR1_PAD_ODD BIT(6) /* Copper Specific Interrupt Enable Register */ #define MII_88E1318S_PHY_CSIER 0x12 /* WOL Event Interrupt Enable */ #define MII_88E1318S_PHY_CSIER_WOL_EIE BIT(7) /* LED Timer Control Register */ #define MII_88E1318S_PHY_LED_TCR 0x12 #define MII_88E1318S_PHY_LED_TCR_FORCE_INT BIT(15) #define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE BIT(7) #define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW BIT(11) /* Magic Packet MAC address registers */ #define MII_88E1318S_PHY_MAGIC_PACKET_WORD2 0x17 #define MII_88E1318S_PHY_MAGIC_PACKET_WORD1 0x18 #define MII_88E1318S_PHY_MAGIC_PACKET_WORD0 0x19 #define MII_88E1318S_PHY_WOL_CTRL 0x10 #define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS BIT(12) #define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE BIT(14) #define MII_PHY_LED_CTRL 16 #define MII_88E1121_PHY_LED_DEF 0x0030 #define MII_88E1510_PHY_LED_DEF 0x1177 #define MII_88E1510_PHY_LED0_LINK_LED1_ACTIVE 0x1040 #define MII_M1011_PHY_STATUS 0x11 #define MII_M1011_PHY_STATUS_1000 0x8000 #define MII_M1011_PHY_STATUS_100 0x4000 #define MII_M1011_PHY_STATUS_SPD_MASK 0xc000 #define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000 #define MII_M1011_PHY_STATUS_RESOLVED 0x0800 #define MII_M1011_PHY_STATUS_LINK 0x0400 #define MII_88E3016_PHY_SPEC_CTRL 0x10 #define MII_88E3016_DISABLE_SCRAMBLER 0x0200 #define MII_88E3016_AUTO_MDIX_CROSSOVER 0x0030 #define MII_88E1510_GEN_CTRL_REG_1 0x14 #define MII_88E1510_GEN_CTRL_REG_1_MODE_MASK 0x7 #define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII 0x1 /* SGMII to copper */ #define MII_88E1510_GEN_CTRL_REG_1_RESET 0x8000 /* Soft reset */ #define MII_VCT5_TX_RX_MDI0_COUPLING 0x10 #define MII_VCT5_TX_RX_MDI1_COUPLING 0x11 #define MII_VCT5_TX_RX_MDI2_COUPLING 0x12 #define MII_VCT5_TX_RX_MDI3_COUPLING 0x13 #define MII_VCT5_TX_RX_AMPLITUDE_MASK 0x7f00 #define MII_VCT5_TX_RX_AMPLITUDE_SHIFT 8 #define MII_VCT5_TX_RX_COUPLING_POSITIVE_REFLECTION BIT(15) #define MII_VCT5_CTRL 0x17 #define MII_VCT5_CTRL_ENABLE BIT(15) #define MII_VCT5_CTRL_COMPLETE BIT(14) #define MII_VCT5_CTRL_TX_SAME_CHANNEL (0x0 << 11) #define MII_VCT5_CTRL_TX0_CHANNEL (0x4 << 11) #define MII_VCT5_CTRL_TX1_CHANNEL (0x5 << 11) #define MII_VCT5_CTRL_TX2_CHANNEL (0x6 << 11) #define MII_VCT5_CTRL_TX3_CHANNEL (0x7 << 11) #define MII_VCT5_CTRL_SAMPLES_2 (0x0 << 8) #define MII_VCT5_CTRL_SAMPLES_4 (0x1 << 8) #define MII_VCT5_CTRL_SAMPLES_8 (0x2 << 8) #define MII_VCT5_CTRL_SAMPLES_16 (0x3 << 8) #define MII_VCT5_CTRL_SAMPLES_32 (0x4 << 8) #define MII_VCT5_CTRL_SAMPLES_64 (0x5 << 8) #define MII_VCT5_CTRL_SAMPLES_128 (0x6 << 8) #define MII_VCT5_CTRL_SAMPLES_DEFAULT (0x6 << 8) #define MII_VCT5_CTRL_SAMPLES_256 (0x7 << 8) #define MII_VCT5_CTRL_SAMPLES_SHIFT 8 #define MII_VCT5_CTRL_MODE_MAXIMUM_PEEK (0x0 << 6) #define MII_VCT5_CTRL_MODE_FIRST_LAST_PEEK (0x1 << 6) #define MII_VCT5_CTRL_MODE_OFFSET (0x2 << 6) #define MII_VCT5_CTRL_SAMPLE_POINT (0x3 << 6) #define MII_VCT5_CTRL_PEEK_HYST_DEFAULT 3 #define MII_VCT5_SAMPLE_POINT_DISTANCE 0x18 #define MII_VCT5_SAMPLE_POINT_DISTANCE_MAX 511 #define MII_VCT5_TX_PULSE_CTRL 0x1c #define MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN BIT(12) #define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS (0x0 << 10) #define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_96nS (0x1 << 10) #define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_64nS (0x2 << 10) #define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS (0x3 << 10) #define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_SHIFT 10 #define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_1000mV (0x0 << 8) #define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_750mV (0x1 << 8) #define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_500mV (0x2 << 8) #define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_250mV (0x3 << 8) #define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_SHIFT 8 #define MII_VCT5_TX_PULSE_CTRL_MAX_AMP BIT(7) #define MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV (0x6 << 0) /* For TDR measurements less than 11 meters, a short pulse should be * used. */ #define TDR_SHORT_CABLE_LENGTH 11 #define MII_VCT7_PAIR_0_DISTANCE 0x10 #define MII_VCT7_PAIR_1_DISTANCE 0x11 #define MII_VCT7_PAIR_2_DISTANCE 0x12 #define MII_VCT7_PAIR_3_DISTANCE 0x13 #define MII_VCT7_RESULTS 0x14 #define MII_VCT7_RESULTS_PAIR3_MASK 0xf000 #define MII_VCT7_RESULTS_PAIR2_MASK 0x0f00 #define MII_VCT7_RESULTS_PAIR1_MASK 0x00f0 #define MII_VCT7_RESULTS_PAIR0_MASK 0x000f #define MII_VCT7_RESULTS_PAIR3_SHIFT 12 #define MII_VCT7_RESULTS_PAIR2_SHIFT 8 #define MII_VCT7_RESULTS_PAIR1_SHIFT 4 #define MII_VCT7_RESULTS_PAIR0_SHIFT 0 #define MII_VCT7_RESULTS_INVALID 0 #define MII_VCT7_RESULTS_OK 1 #define MII_VCT7_RESULTS_OPEN 2 #define MII_VCT7_RESULTS_SAME_SHORT 3 #define MII_VCT7_RESULTS_CROSS_SHORT 4 #define MII_VCT7_RESULTS_BUSY 9 #define MII_VCT7_CTRL 0x15 #define MII_VCT7_CTRL_RUN_NOW BIT(15) #define MII_VCT7_CTRL_RUN_ANEG BIT(14) #define MII_VCT7_CTRL_DISABLE_CROSS BIT(13) #define MII_VCT7_CTRL_RUN_AFTER_BREAK_LINK BIT(12) #define MII_VCT7_CTRL_IN_PROGRESS BIT(11) #define MII_VCT7_CTRL_METERS BIT(10) #define MII_VCT7_CTRL_CENTIMETERS 0 #define LPA_PAUSE_FIBER 0x180 #define LPA_PAUSE_ASYM_FIBER 0x100 #define NB_FIBER_STATS 1 MODULE_DESCRIPTION("Marvell PHY driver"); MODULE_AUTHOR("Andy Fleming"); MODULE_LICENSE("GPL"); struct marvell_hw_stat { const char *string; u8 page; u8 reg; u8 bits; }; static struct marvell_hw_stat marvell_hw_stats[] = { { "phy_receive_errors_copper", 0, 21, 16}, { "phy_idle_errors", 0, 10, 8 }, { "phy_receive_errors_fiber", 1, 21, 16}, }; struct marvell_priv { u64 stats[ARRAY_SIZE(marvell_hw_stats)]; char *hwmon_name; struct device *hwmon_dev; bool cable_test_tdr; u32 first; u32 last; u32 step; s8 pair; }; static int marvell_read_page(struct phy_device *phydev) { return __phy_read(phydev, MII_MARVELL_PHY_PAGE); } static int marvell_write_page(struct phy_device *phydev, int page) { return __phy_write(phydev, MII_MARVELL_PHY_PAGE, page); } static int marvell_set_page(struct phy_device *phydev, int page) { return phy_write(phydev, MII_MARVELL_PHY_PAGE, page); } static int marvell_ack_interrupt(struct phy_device *phydev) { int err; /* Clear the interrupts by reading the reg */ err = phy_read(phydev, MII_M1011_IEVENT); if (err < 0) return err; return 0; } static int marvell_config_intr(struct phy_device *phydev) { int err; if (phydev->interrupts == PHY_INTERRUPT_ENABLED) err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT); else err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR); return err; } static int marvell_set_polarity(struct phy_device *phydev, int polarity) { int reg; int err; int val; /* get the current settings */ reg = phy_read(phydev, MII_M1011_PHY_SCR); if (reg < 0) return reg; val = reg; val &= ~MII_M1011_PHY_SCR_AUTO_CROSS; switch (polarity) { case ETH_TP_MDI: val |= MII_M1011_PHY_SCR_MDI; break; case ETH_TP_MDI_X: val |= MII_M1011_PHY_SCR_MDI_X; break; case ETH_TP_MDI_AUTO: case ETH_TP_MDI_INVALID: default: val |= MII_M1011_PHY_SCR_AUTO_CROSS; break; } if (val != reg) { /* Set the new polarity value in the register */ err = phy_write(phydev, MII_M1011_PHY_SCR, val); if (err) return err; } return val != reg; } static int marvell_config_aneg(struct phy_device *phydev) { int changed = 0; int err; err = marvell_set_polarity(phydev, phydev->mdix_ctrl); if (err < 0) return err; changed = err; err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL, MII_M1111_PHY_LED_DIRECT); if (err < 0) return err; err = genphy_config_aneg(phydev); if (err < 0) return err; if (phydev->autoneg != AUTONEG_ENABLE || changed) { /* A write to speed/duplex bits (that is performed by * genphy_config_aneg() call above) must be followed by * a software reset. Otherwise, the write has no effect. */ err = genphy_soft_reset(phydev); if (err < 0) return err; } return 0; } static int m88e1101_config_aneg(struct phy_device *phydev) { int err; /* This Marvell PHY has an errata which requires * that certain registers get written in order * to restart autonegotiation */ err = genphy_soft_reset(phydev); if (err < 0) return err; err = phy_write(phydev, 0x1d, 0x1f); if (err < 0) return err; err = phy_write(phydev, 0x1e, 0x200c); if (err < 0) return err; err = phy_write(phydev, 0x1d, 0x5); if (err < 0) return err; err = phy_write(phydev, 0x1e, 0); if (err < 0) return err; err = phy_write(phydev, 0x1e, 0x100); if (err < 0) return err; return marvell_config_aneg(phydev); } #if IS_ENABLED(CONFIG_OF_MDIO) /* Set and/or override some configuration registers based on the * marvell,reg-init property stored in the of_node for the phydev. * * marvell,reg-init = <reg-page reg mask value>,...; * * There may be one or more sets of <reg-page reg mask value>: * * reg-page: which register bank to use. * reg: the register. * mask: if non-zero, ANDed with existing register value. * value: ORed with the masked value and written to the regiser. * */ static int marvell_of_reg_init(struct phy_device *phydev) { const __be32 *paddr; int len, i, saved_page, current_page, ret = 0; if (!phydev->mdio.dev.of_node) return 0; paddr = of_get_property(phydev->mdio.dev.of_node, "marvell,reg-init", &len); if (!paddr || len < (4 * sizeof(*paddr))) return 0; saved_page = phy_save_page(phydev); if (saved_page < 0) goto err; current_page = saved_page; len /= sizeof(*paddr); for (i = 0; i < len - 3; i += 4) { u16 page = be32_to_cpup(paddr + i); u16 reg = be32_to_cpup(paddr + i + 1); u16 mask = be32_to_cpup(paddr + i + 2); u16 val_bits = be32_to_cpup(paddr + i + 3); int val; if (page != current_page) { current_page = page; ret = marvell_write_page(phydev, page); if (ret < 0) goto err; } val = 0; if (mask) { val = __phy_read(phydev, reg); if (val < 0) { ret = val; goto err; } val &= mask; } val |= val_bits; ret = __phy_write(phydev, reg, val); if (ret < 0) goto err; } err: return phy_restore_page(phydev, saved_page, ret); } #else static int marvell_of_reg_init(struct phy_device *phydev) { return 0; } #endif /* CONFIG_OF_MDIO */ static int m88e1121_config_aneg_rgmii_delays(struct phy_device *phydev) { int mscr; if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) mscr = MII_88E1121_PHY_MSCR_RX_DELAY | MII_88E1121_PHY_MSCR_TX_DELAY; else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) mscr = MII_88E1121_PHY_MSCR_RX_DELAY; else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) mscr = MII_88E1121_PHY_MSCR_TX_DELAY; else mscr = 0; return phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE, MII_88E1121_PHY_MSCR_REG, MII_88E1121_PHY_MSCR_DELAY_MASK, mscr); } static int m88e1121_config_aneg(struct phy_device *phydev) { int changed = 0; int err = 0; if (phy_interface_is_rgmii(phydev)) { err = m88e1121_config_aneg_rgmii_delays(phydev); if (err < 0) return err; } err = marvell_set_polarity(phydev, phydev->mdix_ctrl); if (err < 0) return err; changed = err; err = genphy_config_aneg(phydev); if (err < 0) return err; if (phydev->autoneg != AUTONEG_ENABLE || changed) { /* A software reset is used to ensure a "commit" of the * changes is done. */ err = genphy_soft_reset(phydev); if (err < 0) return err; } return 0; } static int m88e1318_config_aneg(struct phy_device *phydev) { int err; err = phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE, MII_88E1318S_PHY_MSCR1_REG, 0, MII_88E1318S_PHY_MSCR1_PAD_ODD); if (err < 0) return err; return m88e1121_config_aneg(phydev); } /** * linkmode_adv_to_fiber_adv_t * @advertise: the linkmode advertisement settings * * A small helper function that translates linkmode advertisement * settings to phy autonegotiation advertisements for the MII_ADV * register for fiber link. */ static inline u32 linkmode_adv_to_fiber_adv_t(unsigned long *advertise) { u32 result = 0; if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, advertise)) result |= ADVERTISE_1000XHALF; if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, advertise)) result |= ADVERTISE_1000XFULL; if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertise) && linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertise)) result |= ADVERTISE_1000XPSE_ASYM; else if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertise)) result |= ADVERTISE_1000XPAUSE; return result; } /** * marvell_config_aneg_fiber - restart auto-negotiation or write BMCR * @phydev: target phy_device struct * * Description: If auto-negotiation is enabled, we configure the * advertising, and then restart auto-negotiation. If it is not * enabled, then we write the BMCR. Adapted for fiber link in * some Marvell's devices. */ static int marvell_config_aneg_fiber(struct phy_device *phydev) { int changed = 0; int err; u16 adv; if (phydev->autoneg != AUTONEG_ENABLE) return genphy_setup_forced(phydev); /* Only allow advertising what this PHY supports */ linkmode_and(phydev->advertising, phydev->advertising, phydev->supported); adv = linkmode_adv_to_fiber_adv_t(phydev->advertising); /* Setup fiber advertisement */ err = phy_modify_changed(phydev, MII_ADVERTISE, ADVERTISE_1000XHALF | ADVERTISE_1000XFULL | ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM, adv); if (err < 0) return err; if (err > 0) changed = 1; return genphy_check_and_restart_aneg(phydev, changed); } static int m88e1510_config_aneg(struct phy_device *phydev) { int err; err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) goto error; /* Configure the copper link first */ err = m88e1318_config_aneg(phydev); if (err < 0) goto error; /* Do not touch the fiber page if we're in copper->sgmii mode */ if (phydev->interface == PHY_INTERFACE_MODE_SGMII) return 0; /* Then the fiber link */ err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE); if (err < 0) goto error; err = marvell_config_aneg_fiber(phydev); if (err < 0) goto error; return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); error: marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); return err; } static void marvell_config_led(struct phy_device *phydev) { u16 def_config; int err; switch (MARVELL_PHY_FAMILY_ID(phydev->phy_id)) { /* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */ case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1121R): case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1318S): def_config = MII_88E1121_PHY_LED_DEF; break; /* Default PHY LED config: * LED[0] .. 1000Mbps Link * LED[1] .. 100Mbps Link * LED[2] .. Blink, Activity */ case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1510): if (phydev->dev_flags & MARVELL_PHY_LED0_LINK_LED1_ACTIVE) def_config = MII_88E1510_PHY_LED0_LINK_LED1_ACTIVE; else def_config = MII_88E1510_PHY_LED_DEF; break; default: return; } err = phy_write_paged(phydev, MII_MARVELL_LED_PAGE, MII_PHY_LED_CTRL, def_config); if (err < 0) phydev_warn(phydev, "Fail to config marvell phy LED.\n"); } static int marvell_config_init(struct phy_device *phydev) { /* Set defalut LED */ marvell_config_led(phydev); /* Set registers from marvell,reg-init DT property */ return marvell_of_reg_init(phydev); } static int m88e3016_config_init(struct phy_device *phydev) { int ret; /* Enable Scrambler and Auto-Crossover */ ret = phy_modify(phydev, MII_88E3016_PHY_SPEC_CTRL, MII_88E3016_DISABLE_SCRAMBLER, MII_88E3016_AUTO_MDIX_CROSSOVER); if (ret < 0) return ret; return marvell_config_init(phydev); } static int m88e1111_config_init_hwcfg_mode(struct phy_device *phydev, u16 mode, int fibre_copper_auto) { if (fibre_copper_auto) mode |= MII_M1111_HWCFG_FIBER_COPPER_AUTO; return phy_modify(phydev, MII_M1111_PHY_EXT_SR, MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_AUTO | MII_M1111_HWCFG_FIBER_COPPER_RES, mode); } static int m88e1111_config_init_rgmii_delays(struct phy_device *phydev) { int delay; if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) { delay = MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY; } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) { delay = MII_M1111_RGMII_RX_DELAY; } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) { delay = MII_M1111_RGMII_TX_DELAY; } else { delay = 0; } return phy_modify(phydev, MII_M1111_PHY_EXT_CR, MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY, delay); } static int m88e1111_config_init_rgmii(struct phy_device *phydev) { int temp; int err; err = m88e1111_config_init_rgmii_delays(phydev); if (err < 0) return err; temp = phy_read(phydev, MII_M1111_PHY_EXT_SR); if (temp < 0) return temp; temp &= ~(MII_M1111_HWCFG_MODE_MASK); if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES) temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII; else temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII; return phy_write(phydev, MII_M1111_PHY_EXT_SR, temp); } static int m88e1111_config_init_sgmii(struct phy_device *phydev) { int err; err = m88e1111_config_init_hwcfg_mode( phydev, MII_M1111_HWCFG_MODE_SGMII_NO_CLK, MII_M1111_HWCFG_FIBER_COPPER_AUTO); if (err < 0) return err; /* make sure copper is selected */ return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); } static int m88e1111_config_init_rtbi(struct phy_device *phydev) { int err; err = m88e1111_config_init_rgmii_delays(phydev); if (err < 0) return err; err = m88e1111_config_init_hwcfg_mode( phydev, MII_M1111_HWCFG_MODE_RTBI, MII_M1111_HWCFG_FIBER_COPPER_AUTO); if (err < 0) return err; /* soft reset */ err = genphy_soft_reset(phydev); if (err < 0) return err; return m88e1111_config_init_hwcfg_mode( phydev, MII_M1111_HWCFG_MODE_RTBI, MII_M1111_HWCFG_FIBER_COPPER_AUTO); } static int m88e1111_config_init(struct phy_device *phydev) { int err; if (phy_interface_is_rgmii(phydev)) { err = m88e1111_config_init_rgmii(phydev); if (err < 0) return err; } if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { err = m88e1111_config_init_sgmii(phydev); if (err < 0) return err; } if (phydev->interface == PHY_INTERFACE_MODE_RTBI) { err = m88e1111_config_init_rtbi(phydev); if (err < 0) return err; } err = marvell_of_reg_init(phydev); if (err < 0) return err; return genphy_soft_reset(phydev); } static int m88e1111_get_downshift(struct phy_device *phydev, u8 *data) { int val, cnt, enable; val = phy_read(phydev, MII_M1111_PHY_EXT_CR); if (val < 0) return val; enable = FIELD_GET(MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN, val); cnt = FIELD_GET(MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, val) + 1; *data = enable ? cnt : DOWNSHIFT_DEV_DISABLE; return 0; } static int m88e1111_set_downshift(struct phy_device *phydev, u8 cnt) { int val; if (cnt > MII_M1111_PHY_EXT_CR_DOWNSHIFT_MAX) return -E2BIG; if (!cnt) return phy_clear_bits(phydev, MII_M1111_PHY_EXT_CR, MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN); val = MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN; val |= FIELD_PREP(MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, cnt - 1); return phy_modify(phydev, MII_M1111_PHY_EXT_CR, MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN | MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, val); } static int m88e1111_get_tunable(struct phy_device *phydev, struct ethtool_tunable *tuna, void *data) { switch (tuna->id) { case ETHTOOL_PHY_DOWNSHIFT: return m88e1111_get_downshift(phydev, data); default: return -EOPNOTSUPP; } } static int m88e1111_set_tunable(struct phy_device *phydev, struct ethtool_tunable *tuna, const void *data) { switch (tuna->id) { case ETHTOOL_PHY_DOWNSHIFT: return m88e1111_set_downshift(phydev, *(const u8 *)data); default: return -EOPNOTSUPP; } } static int m88e1011_get_downshift(struct phy_device *phydev, u8 *data) { int val, cnt, enable; val = phy_read(phydev, MII_M1011_PHY_SCR); if (val < 0) return val; enable = FIELD_GET(MII_M1011_PHY_SCR_DOWNSHIFT_EN, val); cnt = FIELD_GET(MII_M1011_PHY_SCR_DOWNSHIFT_MASK, val) + 1; *data = enable ? cnt : DOWNSHIFT_DEV_DISABLE; return 0; } static int m88e1011_set_downshift(struct phy_device *phydev, u8 cnt) { int val; if (cnt > MII_M1011_PHY_SCR_DOWNSHIFT_MAX) return -E2BIG; if (!cnt) return phy_clear_bits(phydev, MII_M1011_PHY_SCR, MII_M1011_PHY_SCR_DOWNSHIFT_EN); val = MII_M1011_PHY_SCR_DOWNSHIFT_EN; val |= FIELD_PREP(MII_M1011_PHY_SCR_DOWNSHIFT_MASK, cnt - 1); return phy_modify(phydev, MII_M1011_PHY_SCR, MII_M1011_PHY_SCR_DOWNSHIFT_EN | MII_M1011_PHY_SCR_DOWNSHIFT_MASK, val); } static int m88e1011_get_tunable(struct phy_device *phydev, struct ethtool_tunable *tuna, void *data) { switch (tuna->id) { case ETHTOOL_PHY_DOWNSHIFT: return m88e1011_get_downshift(phydev, data); default: return -EOPNOTSUPP; } } static int m88e1011_set_tunable(struct phy_device *phydev, struct ethtool_tunable *tuna, const void *data) { switch (tuna->id) { case ETHTOOL_PHY_DOWNSHIFT: return m88e1011_set_downshift(phydev, *(const u8 *)data); default: return -EOPNOTSUPP; } } static int m88e1116r_config_init(struct phy_device *phydev) { int err; err = genphy_soft_reset(phydev); if (err < 0) return err; msleep(500); err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) return err; err = marvell_set_polarity(phydev, phydev->mdix_ctrl); if (err < 0) return err; err = m88e1011_set_downshift(phydev, 8); if (err < 0) return err; if (phy_interface_is_rgmii(phydev)) { err = m88e1121_config_aneg_rgmii_delays(phydev); if (err < 0) return err; } err = genphy_soft_reset(phydev); if (err < 0) return err; return marvell_config_init(phydev); } static int m88e1318_config_init(struct phy_device *phydev) { if (phy_interrupt_is_valid(phydev)) { int err = phy_modify_paged( phydev, MII_MARVELL_LED_PAGE, MII_88E1318S_PHY_LED_TCR, MII_88E1318S_PHY_LED_TCR_FORCE_INT, MII_88E1318S_PHY_LED_TCR_INTn_ENABLE | MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW); if (err < 0) return err; } return marvell_config_init(phydev); } static int m88e1510_config_init(struct phy_device *phydev) { int err; /* SGMII-to-Copper mode initialization */ if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { /* Select page 18 */ err = marvell_set_page(phydev, 18); if (err < 0) return err; /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */ err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1, MII_88E1510_GEN_CTRL_REG_1_MODE_MASK, MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII); if (err < 0) return err; /* PHY reset is necessary after changing MODE[2:0] */ err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1, 0, MII_88E1510_GEN_CTRL_REG_1_RESET); if (err < 0) return err; /* Reset page selection */ err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) return err; } return m88e1318_config_init(phydev); } static int m88e1118_config_aneg(struct phy_device *phydev) { int err; err = genphy_soft_reset(phydev); if (err < 0) return err; err = marvell_set_polarity(phydev, phydev->mdix_ctrl); if (err < 0) return err; err = genphy_config_aneg(phydev); return 0; } static int m88e1118_config_init(struct phy_device *phydev) { int err; /* Change address */ err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE); if (err < 0) return err; /* Enable 1000 Mbit */ err = phy_write(phydev, 0x15, 0x1070); if (err < 0) return err; /* Change address */ err = marvell_set_page(phydev, MII_MARVELL_LED_PAGE); if (err < 0) return err; /* Adjust LED Control */ if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS) err = phy_write(phydev, 0x10, 0x1100); else err = phy_write(phydev, 0x10, 0x021e); if (err < 0) return err; err = marvell_of_reg_init(phydev); if (err < 0) return err; /* Reset address */ err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) return err; return genphy_soft_reset(phydev); } static int m88e1149_config_init(struct phy_device *phydev) { int err; /* Change address */ err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE); if (err < 0) return err; /* Enable 1000 Mbit */ err = phy_write(phydev, 0x15, 0x1048); if (err < 0) return err; err = marvell_of_reg_init(phydev); if (err < 0) return err; /* Reset address */ err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) return err; return genphy_soft_reset(phydev); } static int m88e1145_config_init_rgmii(struct phy_device *phydev) { int err; err = m88e1111_config_init_rgmii_delays(phydev); if (err < 0) return err; if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) { err = phy_write(phydev, 0x1d, 0x0012); if (err < 0) return err; err = phy_modify(phydev, 0x1e, 0x0fc0, 2 << 9 | /* 36 ohm */ 2 << 6); /* 39 ohm */ if (err < 0) return err; err = phy_write(phydev, 0x1d, 0x3); if (err < 0) return err; err = phy_write(phydev, 0x1e, 0x8000); } return err; } static int m88e1145_config_init_sgmii(struct phy_device *phydev) { return m88e1111_config_init_hwcfg_mode( phydev, MII_M1111_HWCFG_MODE_SGMII_NO_CLK, MII_M1111_HWCFG_FIBER_COPPER_AUTO); } static int m88e1145_config_init(struct phy_device *phydev) { int err; /* Take care of errata E0 & E1 */ err = phy_write(phydev, 0x1d, 0x001b); if (err < 0) return err; err = phy_write(phydev, 0x1e, 0x418f); if (err < 0) return err; err = phy_write(phydev, 0x1d, 0x0016); if (err < 0) return err; err = phy_write(phydev, 0x1e, 0xa2da); if (err < 0) return err; if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) { err = m88e1145_config_init_rgmii(phydev); if (err < 0) return err; } if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { err = m88e1145_config_init_sgmii(phydev); if (err < 0) return err; } err = marvell_of_reg_init(phydev); if (err < 0) return err; return 0; } static int m88e1540_get_fld(struct phy_device *phydev, u8 *msecs) { int val; val = phy_read(phydev, MII_88E1540_COPPER_CTRL3); if (val < 0) return val; if (!(val & MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN)) { *msecs = ETHTOOL_PHY_FAST_LINK_DOWN_OFF; return 0; } val = FIELD_GET(MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val); switch (val) { case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS: *msecs = 0; break; case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS: *msecs = 10; break; case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS: *msecs = 20; break; case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS: *msecs = 40; break; default: return -EINVAL; } return 0; } static int m88e1540_set_fld(struct phy_device *phydev, const u8 *msecs) { struct ethtool_eee eee; int val, ret; if (*msecs == ETHTOOL_PHY_FAST_LINK_DOWN_OFF) return phy_clear_bits(phydev, MII_88E1540_COPPER_CTRL3, MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN); /* According to the Marvell data sheet EEE must be disabled for * Fast Link Down detection to work properly */ ret = phy_ethtool_get_eee(phydev, &eee); if (!ret && eee.eee_enabled) { phydev_warn(phydev, "Fast Link Down detection requires EEE to be disabled!\n"); return -EBUSY; } if (*msecs <= 5) val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS; else if (*msecs <= 15) val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS; else if (*msecs <= 30) val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS; else val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS; val = FIELD_PREP(MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val); ret = phy_modify(phydev, MII_88E1540_COPPER_CTRL3, MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val); if (ret) return ret; return phy_set_bits(phydev, MII_88E1540_COPPER_CTRL3, MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN); } static int m88e1540_get_tunable(struct phy_device *phydev, struct ethtool_tunable *tuna, void *data) { switch (tuna->id) { case ETHTOOL_PHY_FAST_LINK_DOWN: return m88e1540_get_fld(phydev, data); case ETHTOOL_PHY_DOWNSHIFT: return m88e1011_get_downshift(phydev, data); default: return -EOPNOTSUPP; } } static int m88e1540_set_tunable(struct phy_device *phydev, struct ethtool_tunable *tuna, const void *data) { switch (tuna->id) { case ETHTOOL_PHY_FAST_LINK_DOWN: return m88e1540_set_fld(phydev, data); case ETHTOOL_PHY_DOWNSHIFT: return m88e1011_set_downshift(phydev, *(const u8 *)data); default: return -EOPNOTSUPP; } } /* The VOD can be out of specification on link up. Poke an * undocumented register, in an undocumented page, with a magic value * to fix this. */ static int m88e6390_errata(struct phy_device *phydev) { int err; err = phy_write(phydev, MII_BMCR, BMCR_ANENABLE | BMCR_SPEED1000 | BMCR_FULLDPLX); if (err) return err; usleep_range(300, 400); err = phy_write_paged(phydev, 0xf8, 0x08, 0x36); if (err) return err; return genphy_soft_reset(phydev); } static int m88e6390_config_aneg(struct phy_device *phydev) { int err; err = m88e6390_errata(phydev); if (err) return err; return m88e1510_config_aneg(phydev); } /** * fiber_lpa_mod_linkmode_lpa_t * @advertising: the linkmode advertisement settings * @lpa: value of the MII_LPA register for fiber link * * A small helper function that translates MII_LPA bits to linkmode LP * advertisement settings. Other bits in advertising are left * unchanged. */ static void fiber_lpa_mod_linkmode_lpa_t(unsigned long *advertising, u32 lpa) { linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, advertising, lpa & LPA_1000XHALF); linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, advertising, lpa & LPA_1000XFULL); } static int marvell_read_status_page_an(struct phy_device *phydev, int fiber, int status) { int lpa; int err; if (!(status & MII_M1011_PHY_STATUS_RESOLVED)) { phydev->link = 0; return 0; } if (status & MII_M1011_PHY_STATUS_FULLDUPLEX) phydev->duplex = DUPLEX_FULL; else phydev->duplex = DUPLEX_HALF; switch (status & MII_M1011_PHY_STATUS_SPD_MASK) { case MII_M1011_PHY_STATUS_1000: phydev->speed = SPEED_1000; break; case MII_M1011_PHY_STATUS_100: phydev->speed = SPEED_100; break; default: phydev->speed = SPEED_10; break; } if (!fiber) { err = genphy_read_lpa(phydev); if (err < 0) return err; phy_resolve_aneg_pause(phydev); } else { lpa = phy_read(phydev, MII_LPA); if (lpa < 0) return lpa; /* The fiber link is only 1000M capable */ fiber_lpa_mod_linkmode_lpa_t(phydev->lp_advertising, lpa); if (phydev->duplex == DUPLEX_FULL) { if (!(lpa & LPA_PAUSE_FIBER)) { phydev->pause = 0; phydev->asym_pause = 0; } else if ((lpa & LPA_PAUSE_ASYM_FIBER)) { phydev->pause = 1; phydev->asym_pause = 1; } else { phydev->pause = 1; phydev->asym_pause = 0; } } } return 0; } /* marvell_read_status_page * * Description: * Check the link, then figure out the current state * by comparing what we advertise with what the link partner * advertises. Start by checking the gigabit possibilities, * then move on to 10/100. */ static int marvell_read_status_page(struct phy_device *phydev, int page) { int status; int fiber; int err; status = phy_read(phydev, MII_M1011_PHY_STATUS); if (status < 0) return status; /* Use the generic register for copper link status, * and the PHY status register for fiber link status. */ if (page == MII_MARVELL_FIBER_PAGE) { phydev->link = !!(status & MII_M1011_PHY_STATUS_LINK); } else { err = genphy_update_link(phydev); if (err) return err; } if (page == MII_MARVELL_FIBER_PAGE) fiber = 1; else fiber = 0; linkmode_zero(phydev->lp_advertising); phydev->pause = 0; phydev->asym_pause = 0; phydev->speed = SPEED_UNKNOWN; phydev->duplex = DUPLEX_UNKNOWN; if (phydev->autoneg == AUTONEG_ENABLE) err = marvell_read_status_page_an(phydev, fiber, status); else err = genphy_read_status_fixed(phydev); return err; } /* marvell_read_status * * Some Marvell's phys have two modes: fiber and copper. * Both need status checked. * Description: * First, check the fiber link and status. * If the fiber link is down, check the copper link and status which * will be the default value if both link are down. */ static int marvell_read_status(struct phy_device *phydev) { int err; /* Check the fiber mode first */ if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, phydev->supported) && phydev->interface != PHY_INTERFACE_MODE_SGMII) { err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE); if (err < 0) goto error; err = marvell_read_status_page(phydev, MII_MARVELL_FIBER_PAGE); if (err < 0) goto error; /* If the fiber link is up, it is the selected and * used link. In this case, we need to stay in the * fiber page. Please to be careful about that, avoid * to restore Copper page in other functions which * could break the behaviour for some fiber phy like * 88E1512. */ if (phydev->link) return 0; /* If fiber link is down, check and save copper mode state */ err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) goto error; } return marvell_read_status_page(phydev, MII_MARVELL_COPPER_PAGE); error: marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); return err; } /* marvell_suspend * * Some Marvell's phys have two modes: fiber and copper. * Both need to be suspended */ static int marvell_suspend(struct phy_device *phydev) { int err; /* Suspend the fiber mode first */ if (!linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, phydev->supported)) { err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE); if (err < 0) goto error; /* With the page set, use the generic suspend */ err = genphy_suspend(phydev); if (err < 0) goto error; /* Then, the copper link */ err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) goto error; } /* With the page set, use the generic suspend */ return genphy_suspend(phydev); error: marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); return err; } /* marvell_resume * * Some Marvell's phys have two modes: fiber and copper. * Both need to be resumed */ static int marvell_resume(struct phy_device *phydev) { int err; /* Resume the fiber mode first */ if (!linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, phydev->supported)) { err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE); if (err < 0) goto error; /* With the page set, use the generic resume */ err = genphy_resume(phydev); if (err < 0) goto error; /* Then, the copper link */ err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) goto error; } /* With the page set, use the generic resume */ return genphy_resume(phydev); error: marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); return err; } static int marvell_aneg_done(struct phy_device *phydev) { int retval = phy_read(phydev, MII_M1011_PHY_STATUS); return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED); } static int m88e1121_did_interrupt(struct phy_device *phydev) { int imask; imask = phy_read(phydev, MII_M1011_IEVENT); if (imask & MII_M1011_IMASK_INIT) return 1; return 0; } static void m88e1318_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol) { int oldpage, ret = 0; wol->supported = WAKE_MAGIC; wol->wolopts = 0; oldpage = phy_select_page(phydev, MII_MARVELL_WOL_PAGE); if (oldpage < 0) goto error; ret = __phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL); if (ret & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE) wol->wolopts |= WAKE_MAGIC; error: phy_restore_page(phydev, oldpage, ret); } static int m88e1318_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol) { int err = 0, oldpage; oldpage = phy_save_page(phydev); if (oldpage < 0) goto error; if (wol->wolopts & WAKE_MAGIC) { /* Explicitly switch to page 0x00, just to be sure */ err = marvell_write_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) goto error; /* If WOL event happened once, the LED[2] interrupt pin * will not be cleared unless we reading the interrupt status * register. If interrupts are in use, the normal interrupt * handling will clear the WOL event. Clear the WOL event * before enabling it if !phy_interrupt_is_valid() */ if (!phy_interrupt_is_valid(phydev)) __phy_read(phydev, MII_M1011_IEVENT); /* Enable the WOL interrupt */ err = __phy_modify(phydev, MII_88E1318S_PHY_CSIER, 0, MII_88E1318S_PHY_CSIER_WOL_EIE); if (err < 0) goto error; err = marvell_write_page(phydev, MII_MARVELL_LED_PAGE); if (err < 0) goto error; /* Setup LED[2] as interrupt pin (active low) */ err = __phy_modify(phydev, MII_88E1318S_PHY_LED_TCR, MII_88E1318S_PHY_LED_TCR_FORCE_INT, MII_88E1318S_PHY_LED_TCR_INTn_ENABLE | MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW); if (err < 0) goto error; err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE); if (err < 0) goto error; /* Store the device address for the magic packet */ err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2, ((phydev->attached_dev->dev_addr[5] << 8) | phydev->attached_dev->dev_addr[4])); if (err < 0) goto error; err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1, ((phydev->attached_dev->dev_addr[3] << 8) | phydev->attached_dev->dev_addr[2])); if (err < 0) goto error; err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0, ((phydev->attached_dev->dev_addr[1] << 8) | phydev->attached_dev->dev_addr[0])); if (err < 0) goto error; /* Clear WOL status and enable magic packet matching */ err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL, 0, MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS | MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE); if (err < 0) goto error; } else { err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE); if (err < 0) goto error; /* Clear WOL status and disable magic packet matching */ err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL, MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE, MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS); if (err < 0) goto error; } error: return phy_restore_page(phydev, oldpage, err); } static int marvell_get_sset_count(struct phy_device *phydev) { if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, phydev->supported)) return ARRAY_SIZE(marvell_hw_stats); else return ARRAY_SIZE(marvell_hw_stats) - NB_FIBER_STATS; } static void marvell_get_strings(struct phy_device *phydev, u8 *data) { int count = marvell_get_sset_count(phydev); int i; for (i = 0; i < count; i++) { strlcpy(data + i * ETH_GSTRING_LEN, marvell_hw_stats[i].string, ETH_GSTRING_LEN); } } static u64 marvell_get_stat(struct phy_device *phydev, int i) { struct marvell_hw_stat stat = marvell_hw_stats[i]; struct marvell_priv *priv = phydev->priv; int val; u64 ret; val = phy_read_paged(phydev, stat.page, stat.reg); if (val < 0) { ret = U64_MAX; } else { val = val & ((1 << stat.bits) - 1); priv->stats[i] += val; ret = priv->stats[i]; } return ret; } static void marvell_get_stats(struct phy_device *phydev, struct ethtool_stats *stats, u64 *data) { int count = marvell_get_sset_count(phydev); int i; for (i = 0; i < count; i++) data[i] = marvell_get_stat(phydev, i); } static int marvell_vct5_wait_complete(struct phy_device *phydev) { int i; int val; for (i = 0; i < 32; i++) { val = __phy_read(phydev, MII_VCT5_CTRL); if (val < 0) return val; if (val & MII_VCT5_CTRL_COMPLETE) return 0; } phydev_err(phydev, "Timeout while waiting for cable test to finish\n"); return -ETIMEDOUT; } static int marvell_vct5_amplitude(struct phy_device *phydev, int pair) { int amplitude; int val; int reg; reg = MII_VCT5_TX_RX_MDI0_COUPLING + pair; val = __phy_read(phydev, reg); if (val < 0) return 0; amplitude = (val & MII_VCT5_TX_RX_AMPLITUDE_MASK) >> MII_VCT5_TX_RX_AMPLITUDE_SHIFT; if (!(val & MII_VCT5_TX_RX_COUPLING_POSITIVE_REFLECTION)) amplitude = -amplitude; return 1000 * amplitude / 128; } static u32 marvell_vct5_distance2cm(int distance) { return distance * 805 / 10; } static u32 marvell_vct5_cm2distance(int cm) { return cm * 10 / 805; } static int marvell_vct5_amplitude_distance(struct phy_device *phydev, int distance, int pair) { u16 reg; int err; int mV; int i; err = __phy_write(phydev, MII_VCT5_SAMPLE_POINT_DISTANCE, distance); if (err) return err; reg = MII_VCT5_CTRL_ENABLE | MII_VCT5_CTRL_TX_SAME_CHANNEL | MII_VCT5_CTRL_SAMPLES_DEFAULT | MII_VCT5_CTRL_SAMPLE_POINT | MII_VCT5_CTRL_PEEK_HYST_DEFAULT; err = __phy_write(phydev, MII_VCT5_CTRL, reg); if (err) return err; err = marvell_vct5_wait_complete(phydev); if (err) return err; for (i = 0; i < 4; i++) { if (pair != PHY_PAIR_ALL && i != pair) continue; mV = marvell_vct5_amplitude(phydev, i); ethnl_cable_test_amplitude(phydev, i, mV); } return 0; } static int marvell_vct5_amplitude_graph(struct phy_device *phydev) { struct marvell_priv *priv = phydev->priv; int distance; u16 width; int page; int err; u16 reg; if (priv->first <= TDR_SHORT_CABLE_LENGTH) width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS; else width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS; reg = MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV | MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN | MII_VCT5_TX_PULSE_CTRL_MAX_AMP | width; err = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE, MII_VCT5_TX_PULSE_CTRL, reg); if (err) return err; /* Reading the TDR data is very MDIO heavy. We need to optimize * access to keep the time to a minimum. So lock the bus once, * and don't release it until complete. We can then avoid having * to change the page for every access, greatly speeding things * up. */ page = phy_select_page(phydev, MII_MARVELL_VCT5_PAGE); if (page < 0) goto restore_page; for (distance = priv->first; distance <= priv->last; distance += priv->step) { err = marvell_vct5_amplitude_distance(phydev, distance, priv->pair); if (err) goto restore_page; if (distance > TDR_SHORT_CABLE_LENGTH && width == MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS) { width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS; reg = MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV | MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN | MII_VCT5_TX_PULSE_CTRL_MAX_AMP | width; err = __phy_write(phydev, MII_VCT5_TX_PULSE_CTRL, reg); if (err) goto restore_page; } } restore_page: return phy_restore_page(phydev, page, err); } static int marvell_cable_test_start_common(struct phy_device *phydev) { int bmcr, bmsr, ret; /* If auto-negotiation is enabled, but not complete, the cable * test never completes. So disable auto-neg. */ bmcr = phy_read(phydev, MII_BMCR); if (bmcr < 0) return bmcr; bmsr = phy_read(phydev, MII_BMSR); if (bmsr < 0) return bmsr; if (bmcr & BMCR_ANENABLE) { ret = phy_modify(phydev, MII_BMCR, BMCR_ANENABLE, 0); if (ret < 0) return ret; ret = genphy_soft_reset(phydev); if (ret < 0) return ret; } /* If the link is up, allow it some time to go down */ if (bmsr & BMSR_LSTATUS) msleep(1500); return 0; } static int marvell_vct7_cable_test_start(struct phy_device *phydev) { struct marvell_priv *priv = phydev->priv; int ret; ret = marvell_cable_test_start_common(phydev); if (ret) return ret; priv->cable_test_tdr = false; /* Reset the VCT5 API control to defaults, otherwise * VCT7 does not work correctly. */ ret = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE, MII_VCT5_CTRL, MII_VCT5_CTRL_TX_SAME_CHANNEL | MII_VCT5_CTRL_SAMPLES_DEFAULT | MII_VCT5_CTRL_MODE_MAXIMUM_PEEK | MII_VCT5_CTRL_PEEK_HYST_DEFAULT); if (ret) return ret; ret = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE, MII_VCT5_SAMPLE_POINT_DISTANCE, 0); if (ret) return ret; return phy_write_paged(phydev, MII_MARVELL_VCT7_PAGE, MII_VCT7_CTRL, MII_VCT7_CTRL_RUN_NOW | MII_VCT7_CTRL_CENTIMETERS); } static int marvell_vct5_cable_test_tdr_start(struct phy_device *phydev, const struct phy_tdr_config *cfg) { struct marvell_priv *priv = phydev->priv; int ret; priv->cable_test_tdr = true; priv->first = marvell_vct5_cm2distance(cfg->first); priv->last = marvell_vct5_cm2distance(cfg->last); priv->step = marvell_vct5_cm2distance(cfg->step); priv->pair = cfg->pair; if (priv->first > MII_VCT5_SAMPLE_POINT_DISTANCE_MAX) return -EINVAL; if (priv->last > MII_VCT5_SAMPLE_POINT_DISTANCE_MAX) return -EINVAL; /* Disable VCT7 */ ret = phy_write_paged(phydev, MII_MARVELL_VCT7_PAGE, MII_VCT7_CTRL, 0); if (ret) return ret; ret = marvell_cable_test_start_common(phydev); if (ret) return ret; ret = ethnl_cable_test_pulse(phydev, 1000); if (ret) return ret; return ethnl_cable_test_step(phydev, marvell_vct5_distance2cm(priv->first), marvell_vct5_distance2cm(priv->last), marvell_vct5_distance2cm(priv->step)); } static int marvell_vct7_distance_to_length(int distance, bool meter) { if (meter) distance *= 100; return distance; } static bool marvell_vct7_distance_valid(int result) { switch (result) { case MII_VCT7_RESULTS_OPEN: case MII_VCT7_RESULTS_SAME_SHORT: case MII_VCT7_RESULTS_CROSS_SHORT: return true; } return false; } static int marvell_vct7_report_length(struct phy_device *phydev, int pair, bool meter) { int length; int ret; ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE, MII_VCT7_PAIR_0_DISTANCE + pair); if (ret < 0) return ret; length = marvell_vct7_distance_to_length(ret, meter); ethnl_cable_test_fault_length(phydev, pair, length); return 0; } static int marvell_vct7_cable_test_report_trans(int result) { switch (result) { case MII_VCT7_RESULTS_OK: return ETHTOOL_A_CABLE_RESULT_CODE_OK; case MII_VCT7_RESULTS_OPEN: return ETHTOOL_A_CABLE_RESULT_CODE_OPEN; case MII_VCT7_RESULTS_SAME_SHORT: return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT; case MII_VCT7_RESULTS_CROSS_SHORT: return ETHTOOL_A_CABLE_RESULT_CODE_CROSS_SHORT; default: return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC; } } static int marvell_vct7_cable_test_report(struct phy_device *phydev) { int pair0, pair1, pair2, pair3; bool meter; int ret; ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE, MII_VCT7_RESULTS); if (ret < 0) return ret; pair3 = (ret & MII_VCT7_RESULTS_PAIR3_MASK) >> MII_VCT7_RESULTS_PAIR3_SHIFT; pair2 = (ret & MII_VCT7_RESULTS_PAIR2_MASK) >> MII_VCT7_RESULTS_PAIR2_SHIFT; pair1 = (ret & MII_VCT7_RESULTS_PAIR1_MASK) >> MII_VCT7_RESULTS_PAIR1_SHIFT; pair0 = (ret & MII_VCT7_RESULTS_PAIR0_MASK) >> MII_VCT7_RESULTS_PAIR0_SHIFT; ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_A, marvell_vct7_cable_test_report_trans(pair0)); ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_B, marvell_vct7_cable_test_report_trans(pair1)); ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_C, marvell_vct7_cable_test_report_trans(pair2)); ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_D, marvell_vct7_cable_test_report_trans(pair3)); ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE, MII_VCT7_CTRL); if (ret < 0) return ret; meter = ret & MII_VCT7_CTRL_METERS; if (marvell_vct7_distance_valid(pair0)) marvell_vct7_report_length(phydev, 0, meter); if (marvell_vct7_distance_valid(pair1)) marvell_vct7_report_length(phydev, 1, meter); if (marvell_vct7_distance_valid(pair2)) marvell_vct7_report_length(phydev, 2, meter); if (marvell_vct7_distance_valid(pair3)) marvell_vct7_report_length(phydev, 3, meter); return 0; } static int marvell_vct7_cable_test_get_status(struct phy_device *phydev, bool *finished) { struct marvell_priv *priv = phydev->priv; int ret; if (priv->cable_test_tdr) { ret = marvell_vct5_amplitude_graph(phydev); *finished = true; return ret; } *finished = false; ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE, MII_VCT7_CTRL); if (ret < 0) return ret; if (!(ret & MII_VCT7_CTRL_IN_PROGRESS)) { *finished = true; return marvell_vct7_cable_test_report(phydev); } return 0; } #ifdef CONFIG_HWMON static int m88e1121_get_temp(struct phy_device *phydev, long *temp) { int oldpage; int ret = 0; int val; *temp = 0; oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE); if (oldpage < 0) goto error; /* Enable temperature sensor */ ret = __phy_read(phydev, MII_88E1121_MISC_TEST); if (ret < 0) goto error; ret = __phy_write(phydev, MII_88E1121_MISC_TEST, ret | MII_88E1121_MISC_TEST_TEMP_SENSOR_EN); if (ret < 0) goto error; /* Wait for temperature to stabilize */ usleep_range(10000, 12000); val = __phy_read(phydev, MII_88E1121_MISC_TEST); if (val < 0) { ret = val; goto error; } /* Disable temperature sensor */ ret = __phy_write(phydev, MII_88E1121_MISC_TEST, ret & ~MII_88E1121_MISC_TEST_TEMP_SENSOR_EN); if (ret < 0) goto error; *temp = ((val & MII_88E1121_MISC_TEST_TEMP_MASK) - 5) * 5000; error: return phy_restore_page(phydev, oldpage, ret); } static int m88e1121_hwmon_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long *temp) { struct phy_device *phydev = dev_get_drvdata(dev); int err; switch (attr) { case hwmon_temp_input: err = m88e1121_get_temp(phydev, temp); break; default: return -EOPNOTSUPP; } return err; } static umode_t m88e1121_hwmon_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, int channel) { if (type != hwmon_temp) return 0; switch (attr) { case hwmon_temp_input: return 0444; default: return 0; } } static u32 m88e1121_hwmon_chip_config[] = { HWMON_C_REGISTER_TZ, 0 }; static const struct hwmon_channel_info m88e1121_hwmon_chip = { .type = hwmon_chip, .config = m88e1121_hwmon_chip_config, }; static u32 m88e1121_hwmon_temp_config[] = { HWMON_T_INPUT, 0 }; static const struct hwmon_channel_info m88e1121_hwmon_temp = { .type = hwmon_temp, .config = m88e1121_hwmon_temp_config, }; static const struct hwmon_channel_info *m88e1121_hwmon_info[] = { &m88e1121_hwmon_chip, &m88e1121_hwmon_temp, NULL }; static const struct hwmon_ops m88e1121_hwmon_hwmon_ops = { .is_visible = m88e1121_hwmon_is_visible, .read = m88e1121_hwmon_read, }; static const struct hwmon_chip_info m88e1121_hwmon_chip_info = { .ops = &m88e1121_hwmon_hwmon_ops, .info = m88e1121_hwmon_info, }; static int m88e1510_get_temp(struct phy_device *phydev, long *temp) { int ret; *temp = 0; ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE, MII_88E1510_TEMP_SENSOR); if (ret < 0) return ret; *temp = ((ret & MII_88E1510_TEMP_SENSOR_MASK) - 25) * 1000; return 0; } static int m88e1510_get_temp_critical(struct phy_device *phydev, long *temp) { int ret; *temp = 0; ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE, MII_88E1121_MISC_TEST); if (ret < 0) return ret; *temp = (((ret & MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK) >> MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT) * 5) - 25; /* convert to mC */ *temp *= 1000; return 0; } static int m88e1510_set_temp_critical(struct phy_device *phydev, long temp) { temp = temp / 1000; temp = clamp_val(DIV_ROUND_CLOSEST(temp, 5) + 5, 0, 0x1f); return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE, MII_88E1121_MISC_TEST, MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK, temp << MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT); } static int m88e1510_get_temp_alarm(struct phy_device *phydev, long *alarm) { int ret; *alarm = false; ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE, MII_88E1121_MISC_TEST); if (ret < 0) return ret; *alarm = !!(ret & MII_88E1510_MISC_TEST_TEMP_IRQ); return 0; } static int m88e1510_hwmon_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long *temp) { struct phy_device *phydev = dev_get_drvdata(dev); int err; switch (attr) { case hwmon_temp_input: err = m88e1510_get_temp(phydev, temp); break; case hwmon_temp_crit: err = m88e1510_get_temp_critical(phydev, temp); break; case hwmon_temp_max_alarm: err = m88e1510_get_temp_alarm(phydev, temp); break; default: return -EOPNOTSUPP; } return err; } static int m88e1510_hwmon_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long temp) { struct phy_device *phydev = dev_get_drvdata(dev); int err; switch (attr) { case hwmon_temp_crit: err = m88e1510_set_temp_critical(phydev, temp); break; default: return -EOPNOTSUPP; } return err; } static umode_t m88e1510_hwmon_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, int channel) { if (type != hwmon_temp) return 0; switch (attr) { case hwmon_temp_input: case hwmon_temp_max_alarm: return 0444; case hwmon_temp_crit: return 0644; default: return 0; } } static u32 m88e1510_hwmon_temp_config[] = { HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_MAX_ALARM, 0 }; static const struct hwmon_channel_info m88e1510_hwmon_temp = { .type = hwmon_temp, .config = m88e1510_hwmon_temp_config, }; static const struct hwmon_channel_info *m88e1510_hwmon_info[] = { &m88e1121_hwmon_chip, &m88e1510_hwmon_temp, NULL }; static const struct hwmon_ops m88e1510_hwmon_hwmon_ops = { .is_visible = m88e1510_hwmon_is_visible, .read = m88e1510_hwmon_read, .write = m88e1510_hwmon_write, }; static const struct hwmon_chip_info m88e1510_hwmon_chip_info = { .ops = &m88e1510_hwmon_hwmon_ops, .info = m88e1510_hwmon_info, }; static int m88e6390_get_temp(struct phy_device *phydev, long *temp) { int sum = 0; int oldpage; int ret = 0; int i; *temp = 0; oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE); if (oldpage < 0) goto error; /* Enable temperature sensor */ ret = __phy_read(phydev, MII_88E6390_MISC_TEST); if (ret < 0) goto error; ret = ret & ~MII_88E6390_MISC_TEST_SAMPLE_MASK; ret |= MII_88E6390_MISC_TEST_SAMPLE_ENABLE | MII_88E6390_MISC_TEST_SAMPLE_1S; ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret); if (ret < 0) goto error; /* Wait for temperature to stabilize */ usleep_range(10000, 12000); /* Reading the temperature sense has an errata. You need to read * a number of times and take an average. */ for (i = 0; i < MII_88E6390_TEMP_SENSOR_SAMPLES; i++) { ret = __phy_read(phydev, MII_88E6390_TEMP_SENSOR); if (ret < 0) goto error; sum += ret & MII_88E6390_TEMP_SENSOR_MASK; } sum /= MII_88E6390_TEMP_SENSOR_SAMPLES; *temp = (sum - 75) * 1000; /* Disable temperature sensor */ ret = __phy_read(phydev, MII_88E6390_MISC_TEST); if (ret < 0) goto error; ret = ret & ~MII_88E6390_MISC_TEST_SAMPLE_MASK; ret |= MII_88E6390_MISC_TEST_SAMPLE_DISABLE; ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret); error: phy_restore_page(phydev, oldpage, ret); return ret; } static int m88e6390_hwmon_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long *temp) { struct phy_device *phydev = dev_get_drvdata(dev); int err; switch (attr) { case hwmon_temp_input: err = m88e6390_get_temp(phydev, temp); break; default: return -EOPNOTSUPP; } return err; } static umode_t m88e6390_hwmon_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, int channel) { if (type != hwmon_temp) return 0; switch (attr) { case hwmon_temp_input: return 0444; default: return 0; } } static u32 m88e6390_hwmon_temp_config[] = { HWMON_T_INPUT, 0 }; static const struct hwmon_channel_info m88e6390_hwmon_temp = { .type = hwmon_temp, .config = m88e6390_hwmon_temp_config, }; static const struct hwmon_channel_info *m88e6390_hwmon_info[] = { &m88e1121_hwmon_chip, &m88e6390_hwmon_temp, NULL }; static const struct hwmon_ops m88e6390_hwmon_hwmon_ops = { .is_visible = m88e6390_hwmon_is_visible, .read = m88e6390_hwmon_read, }; static const struct hwmon_chip_info m88e6390_hwmon_chip_info = { .ops = &m88e6390_hwmon_hwmon_ops, .info = m88e6390_hwmon_info, }; static int marvell_hwmon_name(struct phy_device *phydev) { struct marvell_priv *priv = phydev->priv; struct device *dev = &phydev->mdio.dev; const char *devname = dev_name(dev); size_t len = strlen(devname); int i, j; priv->hwmon_name = devm_kzalloc(dev, len, GFP_KERNEL); if (!priv->hwmon_name) return -ENOMEM; for (i = j = 0; i < len && devname[i]; i++) { if (isalnum(devname[i])) priv->hwmon_name[j++] = devname[i]; } return 0; } static int marvell_hwmon_probe(struct phy_device *phydev, const struct hwmon_chip_info *chip) { struct marvell_priv *priv = phydev->priv; struct device *dev = &phydev->mdio.dev; int err; err = marvell_hwmon_name(phydev); if (err) return err; priv->hwmon_dev = devm_hwmon_device_register_with_info( dev, priv->hwmon_name, phydev, chip, NULL); return PTR_ERR_OR_ZERO(priv->hwmon_dev); } static int m88e1121_hwmon_probe(struct phy_device *phydev) { return marvell_hwmon_probe(phydev, &m88e1121_hwmon_chip_info); } static int m88e1510_hwmon_probe(struct phy_device *phydev) { return marvell_hwmon_probe(phydev, &m88e1510_hwmon_chip_info); } static int m88e6390_hwmon_probe(struct phy_device *phydev) { return marvell_hwmon_probe(phydev, &m88e6390_hwmon_chip_info); } #else static int m88e1121_hwmon_probe(struct phy_device *phydev) { return 0; } static int m88e1510_hwmon_probe(struct phy_device *phydev) { return 0; } static int m88e6390_hwmon_probe(struct phy_device *phydev) { return 0; } #endif static int marvell_probe(struct phy_device *phydev) { struct marvell_priv *priv; priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; phydev->priv = priv; return 0; } static int m88e1121_probe(struct phy_device *phydev) { int err; err = marvell_probe(phydev); if (err) return err; return m88e1121_hwmon_probe(phydev); } static int m88e1510_probe(struct phy_device *phydev) { int err; err = marvell_probe(phydev); if (err) return err; return m88e1510_hwmon_probe(phydev); } static int m88e6390_probe(struct phy_device *phydev) { int err; err = marvell_probe(phydev); if (err) return err; return m88e6390_hwmon_probe(phydev); } static struct phy_driver marvell_drivers[] = { { .phy_id = MARVELL_PHY_ID_88E1101, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1101", /* PHY_GBIT_FEATURES */ .probe = marvell_probe, .config_init = marvell_config_init, .config_aneg = m88e1101_config_aneg, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1112, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1112", /* PHY_GBIT_FEATURES */ .probe = marvell_probe, .config_init = m88e1111_config_init, .config_aneg = marvell_config_aneg, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, .get_tunable = m88e1011_get_tunable, .set_tunable = m88e1011_set_tunable, }, { .phy_id = MARVELL_PHY_ID_88E1111, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1111", /* PHY_GBIT_FEATURES */ .probe = marvell_probe, .config_init = m88e1111_config_init, .config_aneg = marvell_config_aneg, .read_status = marvell_read_status, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, .get_tunable = m88e1111_get_tunable, .set_tunable = m88e1111_set_tunable, }, { .phy_id = MARVELL_PHY_ID_88E1118, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1118", /* PHY_GBIT_FEATURES */ .probe = marvell_probe, .config_init = m88e1118_config_init, .config_aneg = m88e1118_config_aneg, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1121R, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1121R", /* PHY_GBIT_FEATURES */ .probe = m88e1121_probe, .config_init = marvell_config_init, .config_aneg = m88e1121_config_aneg, .read_status = marvell_read_status, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .did_interrupt = m88e1121_did_interrupt, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, .get_tunable = m88e1011_get_tunable, .set_tunable = m88e1011_set_tunable, }, { .phy_id = MARVELL_PHY_ID_88E1318S, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1318S", /* PHY_GBIT_FEATURES */ .probe = marvell_probe, .config_init = m88e1318_config_init, .config_aneg = m88e1318_config_aneg, .read_status = marvell_read_status, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .did_interrupt = m88e1121_did_interrupt, .get_wol = m88e1318_get_wol, .set_wol = m88e1318_set_wol, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1145, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1145", /* PHY_GBIT_FEATURES */ .probe = marvell_probe, .config_init = m88e1145_config_init, .config_aneg = m88e1101_config_aneg, .read_status = genphy_read_status, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, .get_tunable = m88e1111_get_tunable, .set_tunable = m88e1111_set_tunable, }, { .phy_id = MARVELL_PHY_ID_88E1149R, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1149R", /* PHY_GBIT_FEATURES */ .probe = marvell_probe, .config_init = m88e1149_config_init, .config_aneg = m88e1118_config_aneg, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1240, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1240", /* PHY_GBIT_FEATURES */ .probe = marvell_probe, .config_init = m88e1111_config_init, .config_aneg = marvell_config_aneg, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E1116R, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1116R", /* PHY_GBIT_FEATURES */ .probe = marvell_probe, .config_init = m88e1116r_config_init, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, .get_tunable = m88e1011_get_tunable, .set_tunable = m88e1011_set_tunable, }, { .phy_id = MARVELL_PHY_ID_88E1510, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1510", .features = PHY_GBIT_FIBRE_FEATURES, .flags = PHY_POLL_CABLE_TEST, .probe = m88e1510_probe, .config_init = m88e1510_config_init, .config_aneg = m88e1510_config_aneg, .read_status = marvell_read_status, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .did_interrupt = m88e1121_did_interrupt, .get_wol = m88e1318_get_wol, .set_wol = m88e1318_set_wol, .resume = marvell_resume, .suspend = marvell_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, .set_loopback = genphy_loopback, .get_tunable = m88e1011_get_tunable, .set_tunable = m88e1011_set_tunable, .cable_test_start = marvell_vct7_cable_test_start, .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start, .cable_test_get_status = marvell_vct7_cable_test_get_status, }, { .phy_id = MARVELL_PHY_ID_88E1540, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1540", /* PHY_GBIT_FEATURES */ .flags = PHY_POLL_CABLE_TEST, .probe = m88e1510_probe, .config_init = marvell_config_init, .config_aneg = m88e1510_config_aneg, .read_status = marvell_read_status, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .did_interrupt = m88e1121_did_interrupt, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, .get_tunable = m88e1540_get_tunable, .set_tunable = m88e1540_set_tunable, .cable_test_start = marvell_vct7_cable_test_start, .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start, .cable_test_get_status = marvell_vct7_cable_test_get_status, }, { .phy_id = MARVELL_PHY_ID_88E1545, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1545", .probe = m88e1510_probe, /* PHY_GBIT_FEATURES */ .flags = PHY_POLL_CABLE_TEST, .config_init = marvell_config_init, .config_aneg = m88e1510_config_aneg, .read_status = marvell_read_status, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .did_interrupt = m88e1121_did_interrupt, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, .get_tunable = m88e1540_get_tunable, .set_tunable = m88e1540_set_tunable, .cable_test_start = marvell_vct7_cable_test_start, .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start, .cable_test_get_status = marvell_vct7_cable_test_get_status, }, { .phy_id = MARVELL_PHY_ID_88E3016, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E3016", /* PHY_BASIC_FEATURES */ .probe = marvell_probe, .config_init = m88e3016_config_init, .aneg_done = marvell_aneg_done, .read_status = marvell_read_status, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .did_interrupt = m88e1121_did_interrupt, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, }, { .phy_id = MARVELL_PHY_ID_88E6390, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E6390", /* PHY_GBIT_FEATURES */ .flags = PHY_POLL_CABLE_TEST, .probe = m88e6390_probe, .config_init = marvell_config_init, .config_aneg = m88e6390_config_aneg, .read_status = marvell_read_status, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .did_interrupt = m88e1121_did_interrupt, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, .get_tunable = m88e1540_get_tunable, .set_tunable = m88e1540_set_tunable, .cable_test_start = marvell_vct7_cable_test_start, .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start, .cable_test_get_status = marvell_vct7_cable_test_get_status, }, { .phy_id = MARVELL_PHY_ID_88E1340S, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1340S", .probe = m88e1510_probe, /* PHY_GBIT_FEATURES */ .config_init = marvell_config_init, .config_aneg = m88e1510_config_aneg, .read_status = marvell_read_status, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .did_interrupt = m88e1121_did_interrupt, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, .get_tunable = m88e1540_get_tunable, .set_tunable = m88e1540_set_tunable, }, { .phy_id = MARVELL_PHY_ID_88E1548P, .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1548P", .probe = m88e1510_probe, .features = PHY_GBIT_FIBRE_FEATURES, .config_init = marvell_config_init, .config_aneg = m88e1510_config_aneg, .read_status = marvell_read_status, .ack_interrupt = marvell_ack_interrupt, .config_intr = marvell_config_intr, .did_interrupt = m88e1121_did_interrupt, .resume = genphy_resume, .suspend = genphy_suspend, .read_page = marvell_read_page, .write_page = marvell_write_page, .get_sset_count = marvell_get_sset_count, .get_strings = marvell_get_strings, .get_stats = marvell_get_stats, .get_tunable = m88e1540_get_tunable, .set_tunable = m88e1540_set_tunable, }, }; module_phy_driver(marvell_drivers); static struct mdio_device_id __maybe_unused marvell_tbl[] = { { MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1545, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E6390, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1340S, MARVELL_PHY_ID_MASK }, { MARVELL_PHY_ID_88E1548P, MARVELL_PHY_ID_MASK }, { } }; MODULE_DEVICE_TABLE(mdio, marvell_tbl);
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