cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/wireless/zydas/zd1211rw/zd_rf_al7230b.c

/* ZD1211 USB-WLAN driver for Linux
 *
 * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
 * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include <linux/kernel.h>

#include "zd_rf.h"
#include "zd_usb.h"
#include "zd_chip.h"


static const u32 chan_rv[][2] = {
	RF_CHANNEL( 1) = { 0x09ec00, 0x8cccc8 },
	RF_CHANNEL( 2) = { 0x09ec00, 0x8cccd8 },
	RF_CHANNEL( 3) = { 0x09ec00, 0x8cccc0 },
	RF_CHANNEL( 4) = { 0x09ec00, 0x8cccd0 },
	RF_CHANNEL( 5) = { 0x05ec00, 0x8cccc8 },
	RF_CHANNEL( 6) = { 0x05ec00, 0x8cccd8 },
	RF_CHANNEL( 7) = { 0x05ec00, 0x8cccc0 },
	RF_CHANNEL( 8) = { 0x05ec00, 0x8cccd0 },
	RF_CHANNEL( 9) = { 0x0dec00, 0x8cccc8 },
	RF_CHANNEL(10) = { 0x0dec00, 0x8cccd8 },
	RF_CHANNEL(11) = { 0x0dec00, 0x8cccc0 },
	RF_CHANNEL(12) = { 0x0dec00, 0x8cccd0 },
	RF_CHANNEL(13) = { 0x03ec00, 0x8cccc8 },
	RF_CHANNEL(14) = { 0x03ec00, 0x866660 },
};


static const u32 std_rv[] = {
	0x4ff821,
	0xc5fbfc,
	0x21ebfe,
	0xafd401, /* freq shift 0xaad401 */
	0x6cf56a,
	0xe04073,
	0x193d76,
	0x9dd844,
	0x500007,
	0xd8c010,
};


static const u32 rv_init1[] = {
	0x3c9000,
	0xbfffff,
	0x700000,
	0xf15d58,
};


static const u32 rv_init2[] = {
	0xf15d59,
	0xf15d5c,
	0xf15d58,
};


static const struct zd_ioreq16 ioreqs_sw[] = {
	{ ZD_CR128, 0x14 }, { ZD_CR129, 0x12 }, { ZD_CR130, 0x10 },
	{ ZD_CR38,  0x38 }, { ZD_CR136, 0xdf },
};


static int zd1211b_al7230b_finalize(struct zd_chip *chip) { int r; static const struct zd_ioreq16 ioreqs[] = { { ZD_CR80, 0x30 }, { ZD_CR81, 0x30 }, { ZD_CR79, 0x58 }, { ZD_CR12, 0xf0 }, { ZD_CR77, 0x1b }, { ZD_CR78, 0x58 }, { ZD_CR203, 0x04 }, { }, { ZD_CR240, 0x80 }, }; r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); if (r) return r; if (chip->new_phy_layout) { /* antenna selection? */ r = zd_iowrite16_locked(chip, 0xe5, ZD_CR9); if (r) return r; } return zd_iowrite16_locked(chip, 0x04, ZD_CR203); }

Contributors

PersonTokensPropCommitsCommitProp
Daniel Drake12192.37%150.00%
Jussi Kivilinna107.63%150.00%
Total131100.00%2100.00%


static int zd1211_al7230b_init_hw(struct zd_rf *rf) { int r; struct zd_chip *chip = zd_rf_to_chip(rf); /* All of these writes are identical to AL2230 unless otherwise * specified */ static const struct zd_ioreq16 ioreqs_1[] = { /* This one is 7230-specific, and happens before the rest */ { ZD_CR240, 0x57 }, { }, { ZD_CR15, 0x20 }, { ZD_CR23, 0x40 }, { ZD_CR24, 0x20 }, { ZD_CR26, 0x11 }, { ZD_CR28, 0x3e }, { ZD_CR29, 0x00 }, { ZD_CR44, 0x33 }, /* This value is different for 7230 (was: 0x2a) */ { ZD_CR106, 0x22 }, { ZD_CR107, 0x1a }, { ZD_CR109, 0x09 }, { ZD_CR110, 0x27 }, { ZD_CR111, 0x2b }, { ZD_CR112, 0x2b }, { ZD_CR119, 0x0a }, /* This happened further down in AL2230, * and the value changed (was: 0xe0) */ { ZD_CR122, 0xfc }, { ZD_CR10, 0x89 }, /* for newest (3rd cut) AL2300 */ { ZD_CR17, 0x28 }, { ZD_CR26, 0x93 }, { ZD_CR34, 0x30 }, /* for newest (3rd cut) AL2300 */ { ZD_CR35, 0x3e }, { ZD_CR41, 0x24 }, { ZD_CR44, 0x32 }, /* for newest (3rd cut) AL2300 */ { ZD_CR46, 0x96 }, { ZD_CR47, 0x1e }, { ZD_CR79, 0x58 }, { ZD_CR80, 0x30 }, { ZD_CR81, 0x30 }, { ZD_CR87, 0x0a }, { ZD_CR89, 0x04 }, { ZD_CR92, 0x0a }, { ZD_CR99, 0x28 }, /* This value is different for 7230 (was: 0x00) */ { ZD_CR100, 0x02 }, { ZD_CR101, 0x13 }, { ZD_CR102, 0x27 }, /* This value is different for 7230 (was: 0x24) */ { ZD_CR106, 0x22 }, /* This value is different for 7230 (was: 0x2a) */ { ZD_CR107, 0x3f }, { ZD_CR109, 0x09 }, /* This value is different for 7230 (was: 0x13) */ { ZD_CR110, 0x1f }, { ZD_CR111, 0x1f }, { ZD_CR112, 0x1f }, { ZD_CR113, 0x27 }, { ZD_CR114, 0x27 }, /* for newest (3rd cut) AL2300 */ { ZD_CR115, 0x24 }, /* This value is different for 7230 (was: 0x24) */ { ZD_CR116, 0x3f }, /* This value is different for 7230 (was: 0xf4) */ { ZD_CR117, 0xfa }, { ZD_CR118, 0xfc }, { ZD_CR119, 0x10 }, { ZD_CR120, 0x4f }, { ZD_CR121, 0x77 }, { ZD_CR137, 0x88 }, /* This one is 7230-specific */ { ZD_CR138, 0xa8 }, /* This value is different for 7230 (was: 0xff) */ { ZD_CR252, 0x34 }, /* This value is different for 7230 (was: 0xff) */ { ZD_CR253, 0x34 }, /* PLL_OFF */ { ZD_CR251, 0x2f }, }; static const struct zd_ioreq16 ioreqs_2[] = { { ZD_CR251, 0x3f }, /* PLL_ON */ { ZD_CR128, 0x14 }, { ZD_CR129, 0x12 }, { ZD_CR130, 0x10 }, { ZD_CR38, 0x38 }, { ZD_CR136, 0xdf }, }; r = zd_iowrite16a_locked(chip, ioreqs_1, ARRAY_SIZE(ioreqs_1)); if (r) return r; r = zd_rfwritev_cr_locked(chip, chan_rv[0], ARRAY_SIZE(chan_rv[0])); if (r) return r; r = zd_rfwritev_cr_locked(chip, std_rv, ARRAY_SIZE(std_rv)); if (r) return r; r = zd_rfwritev_cr_locked(chip, rv_init1, ARRAY_SIZE(rv_init1)); if (r) return r; r = zd_iowrite16a_locked(chip, ioreqs_2, ARRAY_SIZE(ioreqs_2)); if (r) return r; r = zd_rfwritev_cr_locked(chip, rv_init2, ARRAY_SIZE(rv_init2)); if (r) return r; r = zd_iowrite16_locked(chip, 0x06, ZD_CR203); if (r) return r; r = zd_iowrite16_locked(chip, 0x80, ZD_CR240); if (r) return r; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Daniel Drake53789.50%266.67%
Jussi Kivilinna6310.50%133.33%
Total600100.00%3100.00%


static int zd1211b_al7230b_init_hw(struct zd_rf *rf) { int r; struct zd_chip *chip = zd_rf_to_chip(rf); static const struct zd_ioreq16 ioreqs_1[] = { { ZD_CR240, 0x57 }, { ZD_CR9, 0x9 }, { }, { ZD_CR10, 0x8b }, { ZD_CR15, 0x20 }, { ZD_CR17, 0x2B }, /* for newest (3rd cut) AL2230 */ { ZD_CR20, 0x10 }, /* 4N25->Stone Request */ { ZD_CR23, 0x40 }, { ZD_CR24, 0x20 }, { ZD_CR26, 0x93 }, { ZD_CR28, 0x3e }, { ZD_CR29, 0x00 }, { ZD_CR33, 0x28 }, /* 5613 */ { ZD_CR34, 0x30 }, { ZD_CR35, 0x3e }, /* for newest (3rd cut) AL2230 */ { ZD_CR41, 0x24 }, { ZD_CR44, 0x32 }, { ZD_CR46, 0x99 }, /* for newest (3rd cut) AL2230 */ { ZD_CR47, 0x1e }, /* ZD1215 5610 */ { ZD_CR48, 0x00 }, { ZD_CR49, 0x00 }, { ZD_CR51, 0x01 }, { ZD_CR52, 0x80 }, { ZD_CR53, 0x7e }, { ZD_CR65, 0x00 }, { ZD_CR66, 0x00 }, { ZD_CR67, 0x00 }, { ZD_CR68, 0x00 }, { ZD_CR69, 0x28 }, { ZD_CR79, 0x58 }, { ZD_CR80, 0x30 }, { ZD_CR81, 0x30 }, { ZD_CR87, 0x0A }, { ZD_CR89, 0x04 }, { ZD_CR90, 0x58 }, /* 5112 */ { ZD_CR91, 0x00 }, /* 5613 */ { ZD_CR92, 0x0a }, { ZD_CR98, 0x8d }, /* 4804, for 1212 new algorithm */ { ZD_CR99, 0x00 }, { ZD_CR100, 0x02 }, { ZD_CR101, 0x13 }, { ZD_CR102, 0x27 }, { ZD_CR106, 0x20 }, /* change to 0x24 for AL7230B */ { ZD_CR109, 0x13 }, /* 4804, for 1212 new algorithm */ { ZD_CR112, 0x1f }, }; static const struct zd_ioreq16 ioreqs_new_phy[] = { { ZD_CR107, 0x28 }, { ZD_CR110, 0x1f }, /* 5127, 0x13->0x1f */ { ZD_CR111, 0x1f }, /* 0x13 to 0x1f for AL7230B */ { ZD_CR116, 0x2a }, { ZD_CR118, 0xfa }, { ZD_CR119, 0x12 }, { ZD_CR121, 0x6c }, /* 5613 */ }; static const struct zd_ioreq16 ioreqs_old_phy[] = { { ZD_CR107, 0x24 }, { ZD_CR110, 0x13 }, /* 5127, 0x13->0x1f */ { ZD_CR111, 0x13 }, /* 0x13 to 0x1f for AL7230B */ { ZD_CR116, 0x24 }, { ZD_CR118, 0xfc }, { ZD_CR119, 0x11 }, { ZD_CR121, 0x6a }, /* 5613 */ }; static const struct zd_ioreq16 ioreqs_2[] = { { ZD_CR113, 0x27 }, { ZD_CR114, 0x27 }, { ZD_CR115, 0x24 }, { ZD_CR117, 0xfa }, { ZD_CR120, 0x4f }, { ZD_CR122, 0xfc }, /* E0->FCh at 4901 */ { ZD_CR123, 0x57 }, /* 5613 */ { ZD_CR125, 0xad }, /* 4804, for 1212 new algorithm */ { ZD_CR126, 0x6c }, /* 5613 */ { ZD_CR127, 0x03 }, /* 4804, for 1212 new algorithm */ { ZD_CR130, 0x10 }, { ZD_CR131, 0x00 }, /* 5112 */ { ZD_CR137, 0x50 }, /* 5613 */ { ZD_CR138, 0xa8 }, /* 5112 */ { ZD_CR144, 0xac }, /* 5613 */ { ZD_CR148, 0x40 }, /* 5112 */ { ZD_CR149, 0x40 }, /* 4O07, 50->40 */ { ZD_CR150, 0x1a }, /* 5112, 0C->1A */ { ZD_CR252, 0x34 }, { ZD_CR253, 0x34 }, { ZD_CR251, 0x2f }, /* PLL_OFF */ }; static const struct zd_ioreq16 ioreqs_3[] = { { ZD_CR251, 0x7f }, /* PLL_ON */ { ZD_CR128, 0x14 }, { ZD_CR129, 0x12 }, { ZD_CR130, 0x10 }, { ZD_CR38, 0x38 }, { ZD_CR136, 0xdf }, }; r = zd_iowrite16a_locked(chip, ioreqs_1, ARRAY_SIZE(ioreqs_1)); if (r) return r; if (chip->new_phy_layout) r = zd_iowrite16a_locked(chip, ioreqs_new_phy, ARRAY_SIZE(ioreqs_new_phy)); else r = zd_iowrite16a_locked(chip, ioreqs_old_phy, ARRAY_SIZE(ioreqs_old_phy)); if (r) return r; r = zd_iowrite16a_locked(chip, ioreqs_2, ARRAY_SIZE(ioreqs_2)); if (r) return r; r = zd_rfwritev_cr_locked(chip, chan_rv[0], ARRAY_SIZE(chan_rv[0])); if (r) return r; r = zd_rfwritev_cr_locked(chip, std_rv, ARRAY_SIZE(std_rv)); if (r) return r; r = zd_rfwritev_cr_locked(chip, rv_init1, ARRAY_SIZE(rv_init1)); if (r) return r; r = zd_iowrite16a_locked(chip, ioreqs_3, ARRAY_SIZE(ioreqs_3)); if (r) return r; r = zd_rfwritev_cr_locked(chip, rv_init2, ARRAY_SIZE(rv_init2)); if (r) return r; return zd1211b_al7230b_finalize(chip); }

Contributors

PersonTokensPropCommitsCommitProp
Daniel Drake73189.58%266.67%
Jussi Kivilinna8510.42%133.33%
Total816100.00%3100.00%


static int zd1211_al7230b_set_channel(struct zd_rf *rf, u8 channel) { int r; const u32 *rv = chan_rv[channel-1]; struct zd_chip *chip = zd_rf_to_chip(rf); static const struct zd_ioreq16 ioreqs[] = { /* PLL_ON */ { ZD_CR251, 0x3f }, { ZD_CR203, 0x06 }, { ZD_CR240, 0x08 }, }; r = zd_iowrite16_locked(chip, 0x57, ZD_CR240); if (r) return r; /* PLL_OFF */ r = zd_iowrite16_locked(chip, 0x2f, ZD_CR251); if (r) return r; r = zd_rfwritev_cr_locked(chip, std_rv, ARRAY_SIZE(std_rv)); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0x3c9000); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0xf15d58); if (r) return r; r = zd_iowrite16a_locked(chip, ioreqs_sw, ARRAY_SIZE(ioreqs_sw)); if (r) return r; r = zd_rfwritev_cr_locked(chip, rv, 2); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0x3c9000); if (r) return r; return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); }

Contributors

PersonTokensPropCommitsCommitProp
Daniel Drake22097.78%266.67%
Jussi Kivilinna52.22%133.33%
Total225100.00%3100.00%


static int zd1211b_al7230b_set_channel(struct zd_rf *rf, u8 channel) { int r; const u32 *rv = chan_rv[channel-1]; struct zd_chip *chip = zd_rf_to_chip(rf); r = zd_iowrite16_locked(chip, 0x57, ZD_CR240); if (r) return r; r = zd_iowrite16_locked(chip, 0xe4, ZD_CR9); if (r) return r; /* PLL_OFF */ r = zd_iowrite16_locked(chip, 0x2f, ZD_CR251); if (r) return r; r = zd_rfwritev_cr_locked(chip, std_rv, ARRAY_SIZE(std_rv)); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0x3c9000); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0xf15d58); if (r) return r; r = zd_iowrite16a_locked(chip, ioreqs_sw, ARRAY_SIZE(ioreqs_sw)); if (r) return r; r = zd_rfwritev_cr_locked(chip, rv, 2); if (r) return r; r = zd_rfwrite_cr_locked(chip, 0x3c9000); if (r) return r; r = zd_iowrite16_locked(chip, 0x7f, ZD_CR251); if (r) return r; return zd1211b_al7230b_finalize(chip); }

Contributors

PersonTokensPropCommitsCommitProp
Daniel Drake22298.23%266.67%
Jussi Kivilinna41.77%133.33%
Total226100.00%3100.00%


static int zd1211_al7230b_switch_radio_on(struct zd_rf *rf) { struct zd_chip *chip = zd_rf_to_chip(rf); static const struct zd_ioreq16 ioreqs[] = { { ZD_CR11, 0x00 }, { ZD_CR251, 0x3f }, }; return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); }

Contributors

PersonTokensPropCommitsCommitProp
Daniel Drake5396.36%266.67%
Jussi Kivilinna23.64%133.33%
Total55100.00%3100.00%


static int zd1211b_al7230b_switch_radio_on(struct zd_rf *rf) { struct zd_chip *chip = zd_rf_to_chip(rf); static const struct zd_ioreq16 ioreqs[] = { { ZD_CR11, 0x00 }, { ZD_CR251, 0x7f }, }; return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); }

Contributors

PersonTokensPropCommitsCommitProp
Daniel Drake5396.36%266.67%
Jussi Kivilinna23.64%133.33%
Total55100.00%3100.00%


static int al7230b_switch_radio_off(struct zd_rf *rf) { struct zd_chip *chip = zd_rf_to_chip(rf); static const struct zd_ioreq16 ioreqs[] = { { ZD_CR11, 0x04 }, { ZD_CR251, 0x2f }, }; return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); }

Contributors

PersonTokensPropCommitsCommitProp
Daniel Drake5396.36%150.00%
Jussi Kivilinna23.64%150.00%
Total55100.00%2100.00%

/* ZD1211B+AL7230B 6m band edge patching differs slightly from other * configurations */
static int zd1211b_al7230b_patch_6m(struct zd_rf *rf, u8 channel) { struct zd_chip *chip = zd_rf_to_chip(rf); struct zd_ioreq16 ioreqs[] = { { ZD_CR128, 0x14 }, { ZD_CR129, 0x12 }, }; /* FIXME: Channel 11 is not the edge for all regulatory domains. */ if (channel == 1) { ioreqs[0].value = 0x0e; ioreqs[1].value = 0x10; } else if (channel == 11) { ioreqs[0].value = 0x10; ioreqs[1].value = 0x10; } dev_dbg_f(zd_chip_dev(chip), "patching for channel %d\n", channel); return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs)); }

Contributors

PersonTokensPropCommitsCommitProp
Daniel Drake12098.36%266.67%
Jussi Kivilinna21.64%133.33%
Total122100.00%3100.00%


int zd_rf_init_al7230b(struct zd_rf *rf) { struct zd_chip *chip = zd_rf_to_chip(rf); if (zd_chip_is_zd1211b(chip)) { rf->init_hw = zd1211b_al7230b_init_hw; rf->switch_radio_on = zd1211b_al7230b_switch_radio_on; rf->set_channel = zd1211b_al7230b_set_channel; rf->patch_6m_band_edge = zd1211b_al7230b_patch_6m; } else { rf->init_hw = zd1211_al7230b_init_hw; rf->switch_radio_on = zd1211_al7230b_switch_radio_on; rf->set_channel = zd1211_al7230b_set_channel; rf->patch_6m_band_edge = zd_rf_generic_patch_6m; rf->patch_cck_gain = 1; } rf->switch_radio_off = al7230b_switch_radio_off; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Daniel Drake95100.00%5100.00%
Total95100.00%5100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Daniel Drake247693.19%571.43%
Jussi Kivilinna1806.77%114.29%
Jeff Kirsher10.04%114.29%
Total2657100.00%7100.00%
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