phy_g.c 81.7 KB
Newer Older
M
Michael Buesch 已提交
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
/*

  Broadcom B43 wireless driver
  IEEE 802.11g PHY driver

  Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
  Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
  Copyright (c) 2005-2008 Michael Buesch <mb@bu3sch.de>
  Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org>
  Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch>

  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; see the file COPYING.  If not, write to
  the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  Boston, MA 02110-1301, USA.

*/

#include "b43.h"
#include "phy_g.h"
#include "phy_common.h"
#include "lo.h"
#include "main.h"

#include <linux/bitrev.h>


static const s8 b43_tssi2dbm_g_table[] = {
	77, 77, 77, 76,
	76, 76, 75, 75,
	74, 74, 73, 73,
	73, 72, 72, 71,
	71, 70, 70, 69,
	68, 68, 67, 67,
	66, 65, 65, 64,
	63, 63, 62, 61,
	60, 59, 58, 57,
	56, 55, 54, 53,
	52, 50, 49, 47,
	45, 43, 40, 37,
	33, 28, 22, 14,
	5, -7, -20, -20,
	-20, -20, -20, -20,
	-20, -20, -20, -20,
};

57
static const u8 b43_radio_channel_codes_bg[] = {
M
Michael Buesch 已提交
58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206
	12, 17, 22, 27,
	32, 37, 42, 47,
	52, 57, 62, 67,
	72, 84,
};


static void b43_calc_nrssi_threshold(struct b43_wldev *dev);


#define bitrev4(tmp) (bitrev8(tmp) >> 4)


/* Get the freq, as it has to be written to the device. */
static inline u16 channel2freq_bg(u8 channel)
{
	B43_WARN_ON(!(channel >= 1 && channel <= 14));

	return b43_radio_channel_codes_bg[channel - 1];
}

static void generate_rfatt_list(struct b43_wldev *dev,
				struct b43_rfatt_list *list)
{
	struct b43_phy *phy = &dev->phy;

	/* APHY.rev < 5 || GPHY.rev < 6 */
	static const struct b43_rfatt rfatt_0[] = {
		{.att = 3,.with_padmix = 0,},
		{.att = 1,.with_padmix = 0,},
		{.att = 5,.with_padmix = 0,},
		{.att = 7,.with_padmix = 0,},
		{.att = 9,.with_padmix = 0,},
		{.att = 2,.with_padmix = 0,},
		{.att = 0,.with_padmix = 0,},
		{.att = 4,.with_padmix = 0,},
		{.att = 6,.with_padmix = 0,},
		{.att = 8,.with_padmix = 0,},
		{.att = 1,.with_padmix = 1,},
		{.att = 2,.with_padmix = 1,},
		{.att = 3,.with_padmix = 1,},
		{.att = 4,.with_padmix = 1,},
	};
	/* Radio.rev == 8 && Radio.version == 0x2050 */
	static const struct b43_rfatt rfatt_1[] = {
		{.att = 2,.with_padmix = 1,},
		{.att = 4,.with_padmix = 1,},
		{.att = 6,.with_padmix = 1,},
		{.att = 8,.with_padmix = 1,},
		{.att = 10,.with_padmix = 1,},
		{.att = 12,.with_padmix = 1,},
		{.att = 14,.with_padmix = 1,},
	};
	/* Otherwise */
	static const struct b43_rfatt rfatt_2[] = {
		{.att = 0,.with_padmix = 1,},
		{.att = 2,.with_padmix = 1,},
		{.att = 4,.with_padmix = 1,},
		{.att = 6,.with_padmix = 1,},
		{.att = 8,.with_padmix = 1,},
		{.att = 9,.with_padmix = 1,},
		{.att = 9,.with_padmix = 1,},
	};

	if (!b43_has_hardware_pctl(dev)) {
		/* Software pctl */
		list->list = rfatt_0;
		list->len = ARRAY_SIZE(rfatt_0);
		list->min_val = 0;
		list->max_val = 9;
		return;
	}
	if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
		/* Hardware pctl */
		list->list = rfatt_1;
		list->len = ARRAY_SIZE(rfatt_1);
		list->min_val = 0;
		list->max_val = 14;
		return;
	}
	/* Hardware pctl */
	list->list = rfatt_2;
	list->len = ARRAY_SIZE(rfatt_2);
	list->min_val = 0;
	list->max_val = 9;
}

static void generate_bbatt_list(struct b43_wldev *dev,
				struct b43_bbatt_list *list)
{
	static const struct b43_bbatt bbatt_0[] = {
		{.att = 0,},
		{.att = 1,},
		{.att = 2,},
		{.att = 3,},
		{.att = 4,},
		{.att = 5,},
		{.att = 6,},
		{.att = 7,},
		{.att = 8,},
	};

	list->list = bbatt_0;
	list->len = ARRAY_SIZE(bbatt_0);
	list->min_val = 0;
	list->max_val = 8;
}

static void b43_shm_clear_tssi(struct b43_wldev *dev)
{
	b43_shm_write16(dev, B43_SHM_SHARED, 0x0058, 0x7F7F);
	b43_shm_write16(dev, B43_SHM_SHARED, 0x005a, 0x7F7F);
	b43_shm_write16(dev, B43_SHM_SHARED, 0x0070, 0x7F7F);
	b43_shm_write16(dev, B43_SHM_SHARED, 0x0072, 0x7F7F);
}

/* Synthetic PU workaround */
static void b43_synth_pu_workaround(struct b43_wldev *dev, u8 channel)
{
	struct b43_phy *phy = &dev->phy;

	might_sleep();

	if (phy->radio_ver != 0x2050 || phy->radio_rev >= 6) {
		/* We do not need the workaround. */
		return;
	}

	if (channel <= 10) {
		b43_write16(dev, B43_MMIO_CHANNEL,
			    channel2freq_bg(channel + 4));
	} else {
		b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(1));
	}
	msleep(1);
	b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel));
}

/* Set the baseband attenuation value on chip. */
void b43_gphy_set_baseband_attenuation(struct b43_wldev *dev,
				       u16 baseband_attenuation)
{
	struct b43_phy *phy = &dev->phy;

	if (phy->analog == 0) {
		b43_write16(dev, B43_MMIO_PHY0, (b43_read16(dev, B43_MMIO_PHY0)
						 & 0xFFF0) |
			    baseband_attenuation);
	} else if (phy->analog > 1) {
207
		b43_phy_maskset(dev, B43_PHY_DACCTL, 0xFFC3, (baseband_attenuation << 2));
M
Michael Buesch 已提交
208
	} else {
209
		b43_phy_maskset(dev, B43_PHY_DACCTL, 0xFF87, (baseband_attenuation << 3));
M
Michael Buesch 已提交
210 211 212 213
	}
}

/* Adjust the transmission power output (G-PHY) */
214 215 216
static void b43_set_txpower_g(struct b43_wldev *dev,
			      const struct b43_bbatt *bbatt,
			      const struct b43_rfatt *rfatt, u8 tx_control)
M
Michael Buesch 已提交
217 218 219 220 221 222 223 224 225 226 227 228 229 230
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	struct b43_txpower_lo_control *lo = gphy->lo_control;
	u16 bb, rf;
	u16 tx_bias, tx_magn;

	bb = bbatt->att;
	rf = rfatt->att;
	tx_bias = lo->tx_bias;
	tx_magn = lo->tx_magn;
	if (unlikely(tx_bias == 0xFF))
		tx_bias = 0;

231 232
	/* Save the values for later. Use memmove, because it's valid
	 * to pass &gphy->rfatt as rfatt pointer argument. Same for bbatt. */
M
Michael Buesch 已提交
233
	gphy->tx_control = tx_control;
234
	memmove(&gphy->rfatt, rfatt, sizeof(*rfatt));
M
Michael Buesch 已提交
235
	gphy->rfatt.with_padmix = !!(tx_control & B43_TXCTL_TXMIX);
236
	memmove(&gphy->bbatt, bbatt, sizeof(*bbatt));
M
Michael Buesch 已提交
237 238 239 240 241 242 243 244 245 246 247 248 249 250

	if (b43_debug(dev, B43_DBG_XMITPOWER)) {
		b43dbg(dev->wl, "Tuning TX-power to bbatt(%u), "
		       "rfatt(%u), tx_control(0x%02X), "
		       "tx_bias(0x%02X), tx_magn(0x%02X)\n",
		       bb, rf, tx_control, tx_bias, tx_magn);
	}

	b43_gphy_set_baseband_attenuation(dev, bb);
	b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_RFATT, rf);
	if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
		b43_radio_write16(dev, 0x43,
				  (rf & 0x000F) | (tx_control & 0x0070));
	} else {
251 252
		b43_radio_maskset(dev, 0x43, 0xFFF0, (rf & 0x000F));
		b43_radio_maskset(dev, 0x52, ~0x0070, (tx_control & 0x0070));
M
Michael Buesch 已提交
253 254 255 256
	}
	if (has_tx_magnification(phy)) {
		b43_radio_write16(dev, 0x52, tx_magn | tx_bias);
	} else {
257
		b43_radio_maskset(dev, 0x52, 0xFFF0, (tx_bias & 0x000F));
M
Michael Buesch 已提交
258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331
	}
	b43_lo_g_adjust(dev);
}

/* GPHY_TSSI_Power_Lookup_Table_Init */
static void b43_gphy_tssi_power_lt_init(struct b43_wldev *dev)
{
	struct b43_phy_g *gphy = dev->phy.g;
	int i;
	u16 value;

	for (i = 0; i < 32; i++)
		b43_ofdmtab_write16(dev, 0x3C20, i, gphy->tssi2dbm[i]);
	for (i = 32; i < 64; i++)
		b43_ofdmtab_write16(dev, 0x3C00, i - 32, gphy->tssi2dbm[i]);
	for (i = 0; i < 64; i += 2) {
		value = (u16) gphy->tssi2dbm[i];
		value |= ((u16) gphy->tssi2dbm[i + 1]) << 8;
		b43_phy_write(dev, 0x380 + (i / 2), value);
	}
}

/* GPHY_Gain_Lookup_Table_Init */
static void b43_gphy_gain_lt_init(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	struct b43_txpower_lo_control *lo = gphy->lo_control;
	u16 nr_written = 0;
	u16 tmp;
	u8 rf, bb;

	for (rf = 0; rf < lo->rfatt_list.len; rf++) {
		for (bb = 0; bb < lo->bbatt_list.len; bb++) {
			if (nr_written >= 0x40)
				return;
			tmp = lo->bbatt_list.list[bb].att;
			tmp <<= 8;
			if (phy->radio_rev == 8)
				tmp |= 0x50;
			else
				tmp |= 0x40;
			tmp |= lo->rfatt_list.list[rf].att;
			b43_phy_write(dev, 0x3C0 + nr_written, tmp);
			nr_written++;
		}
	}
}

static void b43_set_all_gains(struct b43_wldev *dev,
			      s16 first, s16 second, s16 third)
{
	struct b43_phy *phy = &dev->phy;
	u16 i;
	u16 start = 0x08, end = 0x18;
	u16 tmp;
	u16 table;

	if (phy->rev <= 1) {
		start = 0x10;
		end = 0x20;
	}

	table = B43_OFDMTAB_GAINX;
	if (phy->rev <= 1)
		table = B43_OFDMTAB_GAINX_R1;
	for (i = 0; i < 4; i++)
		b43_ofdmtab_write16(dev, table, i, first);

	for (i = start; i < end; i++)
		b43_ofdmtab_write16(dev, table, i, second);

	if (third != -1) {
		tmp = ((u16) third << 14) | ((u16) third << 6);
332 333 334
		b43_phy_maskset(dev, 0x04A0, 0xBFBF, tmp);
		b43_phy_maskset(dev, 0x04A1, 0xBFBF, tmp);
		b43_phy_maskset(dev, 0x04A2, 0xBFBF, tmp);
M
Michael Buesch 已提交
335
	}
336
	b43_dummy_transmission(dev, false, true);
M
Michael Buesch 已提交
337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364
}

static void b43_set_original_gains(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	u16 i, tmp;
	u16 table;
	u16 start = 0x0008, end = 0x0018;

	if (phy->rev <= 1) {
		start = 0x0010;
		end = 0x0020;
	}

	table = B43_OFDMTAB_GAINX;
	if (phy->rev <= 1)
		table = B43_OFDMTAB_GAINX_R1;
	for (i = 0; i < 4; i++) {
		tmp = (i & 0xFFFC);
		tmp |= (i & 0x0001) << 1;
		tmp |= (i & 0x0002) >> 1;

		b43_ofdmtab_write16(dev, table, i, tmp);
	}

	for (i = start; i < end; i++)
		b43_ofdmtab_write16(dev, table, i, i - start);

365 366 367
	b43_phy_maskset(dev, 0x04A0, 0xBFBF, 0x4040);
	b43_phy_maskset(dev, 0x04A1, 0xBFBF, 0x4040);
	b43_phy_maskset(dev, 0x04A2, 0xBFBF, 0x4000);
368
	b43_dummy_transmission(dev, false, true);
M
Michael Buesch 已提交
369 370 371
}

/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
372
static void b43_nrssi_hw_write(struct b43_wldev *dev, u16 offset, s16 val)
M
Michael Buesch 已提交
373 374 375 376 377 378
{
	b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset);
	b43_phy_write(dev, B43_PHY_NRSSILT_DATA, (u16) val);
}

/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
379
static s16 b43_nrssi_hw_read(struct b43_wldev *dev, u16 offset)
M
Michael Buesch 已提交
380 381 382 383 384 385 386 387 388 389
{
	u16 val;

	b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset);
	val = b43_phy_read(dev, B43_PHY_NRSSILT_DATA);

	return (s16) val;
}

/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
390
static void b43_nrssi_hw_update(struct b43_wldev *dev, u16 val)
M
Michael Buesch 已提交
391 392 393 394 395 396 397 398 399 400 401 402 403
{
	u16 i;
	s16 tmp;

	for (i = 0; i < 64; i++) {
		tmp = b43_nrssi_hw_read(dev, i);
		tmp -= val;
		tmp = clamp_val(tmp, -32, 31);
		b43_nrssi_hw_write(dev, i, tmp);
	}
}

/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
404
static void b43_nrssi_mem_update(struct b43_wldev *dev)
M
Michael Buesch 已提交
405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442
{
	struct b43_phy_g *gphy = dev->phy.g;
	s16 i, delta;
	s32 tmp;

	delta = 0x1F - gphy->nrssi[0];
	for (i = 0; i < 64; i++) {
		tmp = (i - delta) * gphy->nrssislope;
		tmp /= 0x10000;
		tmp += 0x3A;
		tmp = clamp_val(tmp, 0, 0x3F);
		gphy->nrssi_lt[i] = tmp;
	}
}

static void b43_calc_nrssi_offset(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	u16 backup[20] = { 0 };
	s16 v47F;
	u16 i;
	u16 saved = 0xFFFF;

	backup[0] = b43_phy_read(dev, 0x0001);
	backup[1] = b43_phy_read(dev, 0x0811);
	backup[2] = b43_phy_read(dev, 0x0812);
	if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
		backup[3] = b43_phy_read(dev, 0x0814);
		backup[4] = b43_phy_read(dev, 0x0815);
	}
	backup[5] = b43_phy_read(dev, 0x005A);
	backup[6] = b43_phy_read(dev, 0x0059);
	backup[7] = b43_phy_read(dev, 0x0058);
	backup[8] = b43_phy_read(dev, 0x000A);
	backup[9] = b43_phy_read(dev, 0x0003);
	backup[10] = b43_radio_read16(dev, 0x007A);
	backup[11] = b43_radio_read16(dev, 0x0043);

443
	b43_phy_mask(dev, 0x0429, 0x7FFF);
444
	b43_phy_maskset(dev, 0x0001, 0x3FFF, 0x4000);
445
	b43_phy_set(dev, 0x0811, 0x000C);
446
	b43_phy_maskset(dev, 0x0812, 0xFFF3, 0x0004);
447
	b43_phy_mask(dev, 0x0802, ~(0x1 | 0x2));
M
Michael Buesch 已提交
448 449 450 451 452 453 454 455 456 457 458 459 460 461
	if (phy->rev >= 6) {
		backup[12] = b43_phy_read(dev, 0x002E);
		backup[13] = b43_phy_read(dev, 0x002F);
		backup[14] = b43_phy_read(dev, 0x080F);
		backup[15] = b43_phy_read(dev, 0x0810);
		backup[16] = b43_phy_read(dev, 0x0801);
		backup[17] = b43_phy_read(dev, 0x0060);
		backup[18] = b43_phy_read(dev, 0x0014);
		backup[19] = b43_phy_read(dev, 0x0478);

		b43_phy_write(dev, 0x002E, 0);
		b43_phy_write(dev, 0x002F, 0);
		b43_phy_write(dev, 0x080F, 0);
		b43_phy_write(dev, 0x0810, 0);
462 463 464 465
		b43_phy_set(dev, 0x0478, 0x0100);
		b43_phy_set(dev, 0x0801, 0x0040);
		b43_phy_set(dev, 0x0060, 0x0040);
		b43_phy_set(dev, 0x0014, 0x0200);
M
Michael Buesch 已提交
466
	}
467 468
	b43_radio_set(dev, 0x007A, 0x0070);
	b43_radio_set(dev, 0x007A, 0x0080);
M
Michael Buesch 已提交
469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487
	udelay(30);

	v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
	if (v47F >= 0x20)
		v47F -= 0x40;
	if (v47F == 31) {
		for (i = 7; i >= 4; i--) {
			b43_radio_write16(dev, 0x007B, i);
			udelay(20);
			v47F =
			    (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
			if (v47F >= 0x20)
				v47F -= 0x40;
			if (v47F < 31 && saved == 0xFFFF)
				saved = i;
		}
		if (saved == 0xFFFF)
			saved = 4;
	} else {
488
		b43_radio_mask(dev, 0x007A, 0x007F);
M
Michael Buesch 已提交
489
		if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
490
			b43_phy_set(dev, 0x0814, 0x0001);
491
			b43_phy_mask(dev, 0x0815, 0xFFFE);
M
Michael Buesch 已提交
492
		}
493 494 495 496
		b43_phy_set(dev, 0x0811, 0x000C);
		b43_phy_set(dev, 0x0812, 0x000C);
		b43_phy_set(dev, 0x0811, 0x0030);
		b43_phy_set(dev, 0x0812, 0x0030);
M
Michael Buesch 已提交
497 498 499 500 501 502
		b43_phy_write(dev, 0x005A, 0x0480);
		b43_phy_write(dev, 0x0059, 0x0810);
		b43_phy_write(dev, 0x0058, 0x000D);
		if (phy->rev == 0) {
			b43_phy_write(dev, 0x0003, 0x0122);
		} else {
503
			b43_phy_set(dev, 0x000A, 0x2000);
M
Michael Buesch 已提交
504 505
		}
		if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
506
			b43_phy_set(dev, 0x0814, 0x0004);
507
			b43_phy_mask(dev, 0x0815, 0xFFFB);
M
Michael Buesch 已提交
508
		}
509
		b43_phy_maskset(dev, 0x0003, 0xFF9F, 0x0040);
510
		b43_radio_set(dev, 0x007A, 0x000F);
M
Michael Buesch 已提交
511
		b43_set_all_gains(dev, 3, 0, 1);
512
		b43_radio_maskset(dev, 0x0043, 0x00F0, 0x000F);
M
Michael Buesch 已提交
513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553
		udelay(30);
		v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
		if (v47F >= 0x20)
			v47F -= 0x40;
		if (v47F == -32) {
			for (i = 0; i < 4; i++) {
				b43_radio_write16(dev, 0x007B, i);
				udelay(20);
				v47F =
				    (s16) ((b43_phy_read(dev, 0x047F) >> 8) &
					   0x003F);
				if (v47F >= 0x20)
					v47F -= 0x40;
				if (v47F > -31 && saved == 0xFFFF)
					saved = i;
			}
			if (saved == 0xFFFF)
				saved = 3;
		} else
			saved = 0;
	}
	b43_radio_write16(dev, 0x007B, saved);

	if (phy->rev >= 6) {
		b43_phy_write(dev, 0x002E, backup[12]);
		b43_phy_write(dev, 0x002F, backup[13]);
		b43_phy_write(dev, 0x080F, backup[14]);
		b43_phy_write(dev, 0x0810, backup[15]);
	}
	if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
		b43_phy_write(dev, 0x0814, backup[3]);
		b43_phy_write(dev, 0x0815, backup[4]);
	}
	b43_phy_write(dev, 0x005A, backup[5]);
	b43_phy_write(dev, 0x0059, backup[6]);
	b43_phy_write(dev, 0x0058, backup[7]);
	b43_phy_write(dev, 0x000A, backup[8]);
	b43_phy_write(dev, 0x0003, backup[9]);
	b43_radio_write16(dev, 0x0043, backup[11]);
	b43_radio_write16(dev, 0x007A, backup[10]);
	b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x1 | 0x2);
554
	b43_phy_set(dev, 0x0429, 0x8000);
M
Michael Buesch 已提交
555 556 557 558 559 560 561 562 563 564 565 566
	b43_set_original_gains(dev);
	if (phy->rev >= 6) {
		b43_phy_write(dev, 0x0801, backup[16]);
		b43_phy_write(dev, 0x0060, backup[17]);
		b43_phy_write(dev, 0x0014, backup[18]);
		b43_phy_write(dev, 0x0478, backup[19]);
	}
	b43_phy_write(dev, 0x0001, backup[0]);
	b43_phy_write(dev, 0x0812, backup[2]);
	b43_phy_write(dev, 0x0811, backup[1]);
}

567
static void b43_calc_nrssi_slope(struct b43_wldev *dev)
M
Michael Buesch 已提交
568 569 570 571 572 573 574 575 576 577 578 579 580 581
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	u16 backup[18] = { 0 };
	u16 tmp;
	s16 nrssi0, nrssi1;

	B43_WARN_ON(phy->type != B43_PHYTYPE_G);

	if (phy->radio_rev >= 9)
		return;
	if (phy->radio_rev == 8)
		b43_calc_nrssi_offset(dev);

582 583
	b43_phy_mask(dev, B43_PHY_G_CRS, 0x7FFF);
	b43_phy_mask(dev, 0x0802, 0xFFFC);
M
Michael Buesch 已提交
584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609
	backup[7] = b43_read16(dev, 0x03E2);
	b43_write16(dev, 0x03E2, b43_read16(dev, 0x03E2) | 0x8000);
	backup[0] = b43_radio_read16(dev, 0x007A);
	backup[1] = b43_radio_read16(dev, 0x0052);
	backup[2] = b43_radio_read16(dev, 0x0043);
	backup[3] = b43_phy_read(dev, 0x0015);
	backup[4] = b43_phy_read(dev, 0x005A);
	backup[5] = b43_phy_read(dev, 0x0059);
	backup[6] = b43_phy_read(dev, 0x0058);
	backup[8] = b43_read16(dev, 0x03E6);
	backup[9] = b43_read16(dev, B43_MMIO_CHANNEL_EXT);
	if (phy->rev >= 3) {
		backup[10] = b43_phy_read(dev, 0x002E);
		backup[11] = b43_phy_read(dev, 0x002F);
		backup[12] = b43_phy_read(dev, 0x080F);
		backup[13] = b43_phy_read(dev, B43_PHY_G_LO_CONTROL);
		backup[14] = b43_phy_read(dev, 0x0801);
		backup[15] = b43_phy_read(dev, 0x0060);
		backup[16] = b43_phy_read(dev, 0x0014);
		backup[17] = b43_phy_read(dev, 0x0478);
		b43_phy_write(dev, 0x002E, 0);
		b43_phy_write(dev, B43_PHY_G_LO_CONTROL, 0);
		switch (phy->rev) {
		case 4:
		case 6:
		case 7:
610 611
			b43_phy_set(dev, 0x0478, 0x0100);
			b43_phy_set(dev, 0x0801, 0x0040);
M
Michael Buesch 已提交
612 613 614
			break;
		case 3:
		case 5:
615
			b43_phy_mask(dev, 0x0801, 0xFFBF);
M
Michael Buesch 已提交
616 617
			break;
		}
618 619
		b43_phy_set(dev, 0x0060, 0x0040);
		b43_phy_set(dev, 0x0014, 0x0200);
M
Michael Buesch 已提交
620
	}
621
	b43_radio_set(dev, 0x007A, 0x0070);
M
Michael Buesch 已提交
622
	b43_set_all_gains(dev, 0, 8, 0);
623
	b43_radio_mask(dev, 0x007A, 0x00F7);
M
Michael Buesch 已提交
624
	if (phy->rev >= 2) {
625 626
		b43_phy_maskset(dev, 0x0811, 0xFFCF, 0x0030);
		b43_phy_maskset(dev, 0x0812, 0xFFCF, 0x0010);
M
Michael Buesch 已提交
627
	}
628
	b43_radio_set(dev, 0x007A, 0x0080);
M
Michael Buesch 已提交
629 630 631 632 633 634
	udelay(20);

	nrssi0 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
	if (nrssi0 >= 0x0020)
		nrssi0 -= 0x0040;

635
	b43_radio_mask(dev, 0x007A, 0x007F);
M
Michael Buesch 已提交
636
	if (phy->rev >= 2) {
637
		b43_phy_maskset(dev, 0x0003, 0xFF9F, 0x0040);
M
Michael Buesch 已提交
638 639 640 641 642
	}

	b43_write16(dev, B43_MMIO_CHANNEL_EXT,
		    b43_read16(dev, B43_MMIO_CHANNEL_EXT)
		    | 0x2000);
643
	b43_radio_set(dev, 0x007A, 0x000F);
M
Michael Buesch 已提交
644 645
	b43_phy_write(dev, 0x0015, 0xF330);
	if (phy->rev >= 2) {
646 647
		b43_phy_maskset(dev, 0x0812, 0xFFCF, 0x0020);
		b43_phy_maskset(dev, 0x0811, 0xFFCF, 0x0020);
M
Michael Buesch 已提交
648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680
	}

	b43_set_all_gains(dev, 3, 0, 1);
	if (phy->radio_rev == 8) {
		b43_radio_write16(dev, 0x0043, 0x001F);
	} else {
		tmp = b43_radio_read16(dev, 0x0052) & 0xFF0F;
		b43_radio_write16(dev, 0x0052, tmp | 0x0060);
		tmp = b43_radio_read16(dev, 0x0043) & 0xFFF0;
		b43_radio_write16(dev, 0x0043, tmp | 0x0009);
	}
	b43_phy_write(dev, 0x005A, 0x0480);
	b43_phy_write(dev, 0x0059, 0x0810);
	b43_phy_write(dev, 0x0058, 0x000D);
	udelay(20);
	nrssi1 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
	if (nrssi1 >= 0x0020)
		nrssi1 -= 0x0040;
	if (nrssi0 == nrssi1)
		gphy->nrssislope = 0x00010000;
	else
		gphy->nrssislope = 0x00400000 / (nrssi0 - nrssi1);
	if (nrssi0 >= -4) {
		gphy->nrssi[0] = nrssi1;
		gphy->nrssi[1] = nrssi0;
	}
	if (phy->rev >= 3) {
		b43_phy_write(dev, 0x002E, backup[10]);
		b43_phy_write(dev, 0x002F, backup[11]);
		b43_phy_write(dev, 0x080F, backup[12]);
		b43_phy_write(dev, B43_PHY_G_LO_CONTROL, backup[13]);
	}
	if (phy->rev >= 2) {
681 682
		b43_phy_mask(dev, 0x0812, 0xFFCF);
		b43_phy_mask(dev, 0x0811, 0xFFCF);
M
Michael Buesch 已提交
683 684 685 686 687 688 689 690 691 692 693 694 695
	}

	b43_radio_write16(dev, 0x007A, backup[0]);
	b43_radio_write16(dev, 0x0052, backup[1]);
	b43_radio_write16(dev, 0x0043, backup[2]);
	b43_write16(dev, 0x03E2, backup[7]);
	b43_write16(dev, 0x03E6, backup[8]);
	b43_write16(dev, B43_MMIO_CHANNEL_EXT, backup[9]);
	b43_phy_write(dev, 0x0015, backup[3]);
	b43_phy_write(dev, 0x005A, backup[4]);
	b43_phy_write(dev, 0x0059, backup[5]);
	b43_phy_write(dev, 0x0058, backup[6]);
	b43_synth_pu_workaround(dev, phy->channel);
696
	b43_phy_set(dev, 0x0802, (0x0001 | 0x0002));
M
Michael Buesch 已提交
697
	b43_set_original_gains(dev);
698
	b43_phy_set(dev, B43_PHY_G_CRS, 0x8000);
M
Michael Buesch 已提交
699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724
	if (phy->rev >= 3) {
		b43_phy_write(dev, 0x0801, backup[14]);
		b43_phy_write(dev, 0x0060, backup[15]);
		b43_phy_write(dev, 0x0014, backup[16]);
		b43_phy_write(dev, 0x0478, backup[17]);
	}
	b43_nrssi_mem_update(dev);
	b43_calc_nrssi_threshold(dev);
}

static void b43_calc_nrssi_threshold(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	s32 a, b;
	s16 tmp16;
	u16 tmp_u16;

	B43_WARN_ON(phy->type != B43_PHYTYPE_G);

	if (!phy->gmode ||
	    !(dev->dev->bus->sprom.boardflags_lo & B43_BFL_RSSI)) {
		tmp16 = b43_nrssi_hw_read(dev, 0x20);
		if (tmp16 >= 0x20)
			tmp16 -= 0x40;
		if (tmp16 < 3) {
725
			b43_phy_maskset(dev, 0x048A, 0xF000, 0x09EB);
M
Michael Buesch 已提交
726
		} else {
727
			b43_phy_maskset(dev, 0x048A, 0xF000, 0x0AED);
M
Michael Buesch 已提交
728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769
		}
	} else {
		if (gphy->interfmode == B43_INTERFMODE_NONWLAN) {
			a = 0xE;
			b = 0xA;
		} else if (!gphy->aci_wlan_automatic && gphy->aci_enable) {
			a = 0x13;
			b = 0x12;
		} else {
			a = 0xE;
			b = 0x11;
		}

		a = a * (gphy->nrssi[1] - gphy->nrssi[0]);
		a += (gphy->nrssi[0] << 6);
		if (a < 32)
			a += 31;
		else
			a += 32;
		a = a >> 6;
		a = clamp_val(a, -31, 31);

		b = b * (gphy->nrssi[1] - gphy->nrssi[0]);
		b += (gphy->nrssi[0] << 6);
		if (b < 32)
			b += 31;
		else
			b += 32;
		b = b >> 6;
		b = clamp_val(b, -31, 31);

		tmp_u16 = b43_phy_read(dev, 0x048A) & 0xF000;
		tmp_u16 |= ((u32) b & 0x0000003F);
		tmp_u16 |= (((u32) a & 0x0000003F) << 6);
		b43_phy_write(dev, 0x048A, tmp_u16);
	}
}

/* Stack implementation to save/restore values from the
 * interference mitigation code.
 * It is save to restore values in random order.
 */
J
John Daiker 已提交
770
static void _stack_save(u32 *_stackptr, size_t *stackidx,
M
Michael Buesch 已提交
771 772 773 774 775 776 777 778 779 780 781 782 783
			u8 id, u16 offset, u16 value)
{
	u32 *stackptr = &(_stackptr[*stackidx]);

	B43_WARN_ON(offset & 0xF000);
	B43_WARN_ON(id & 0xF0);
	*stackptr = offset;
	*stackptr |= ((u32) id) << 12;
	*stackptr |= ((u32) value) << 16;
	(*stackidx)++;
	B43_WARN_ON(*stackidx >= B43_INTERFSTACK_SIZE);
}

J
John Daiker 已提交
784
static u16 _stack_restore(u32 *stackptr, u8 id, u16 offset)
M
Michael Buesch 已提交
785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847
{
	size_t i;

	B43_WARN_ON(offset & 0xF000);
	B43_WARN_ON(id & 0xF0);
	for (i = 0; i < B43_INTERFSTACK_SIZE; i++, stackptr++) {
		if ((*stackptr & 0x00000FFF) != offset)
			continue;
		if (((*stackptr & 0x0000F000) >> 12) != id)
			continue;
		return ((*stackptr & 0xFFFF0000) >> 16);
	}
	B43_WARN_ON(1);

	return 0;
}

#define phy_stacksave(offset)					\
	do {							\
		_stack_save(stack, &stackidx, 0x1, (offset),	\
			    b43_phy_read(dev, (offset)));	\
	} while (0)
#define phy_stackrestore(offset)				\
	do {							\
		b43_phy_write(dev, (offset),		\
				  _stack_restore(stack, 0x1,	\
						 (offset)));	\
	} while (0)
#define radio_stacksave(offset)						\
	do {								\
		_stack_save(stack, &stackidx, 0x2, (offset),		\
			    b43_radio_read16(dev, (offset)));	\
	} while (0)
#define radio_stackrestore(offset)					\
	do {								\
		b43_radio_write16(dev, (offset),			\
				      _stack_restore(stack, 0x2,	\
						     (offset)));	\
	} while (0)
#define ofdmtab_stacksave(table, offset)			\
	do {							\
		_stack_save(stack, &stackidx, 0x3, (offset)|(table),	\
			    b43_ofdmtab_read16(dev, (table), (offset)));	\
	} while (0)
#define ofdmtab_stackrestore(table, offset)			\
	do {							\
		b43_ofdmtab_write16(dev, (table),	(offset),	\
				  _stack_restore(stack, 0x3,	\
						 (offset)|(table)));	\
	} while (0)

static void
b43_radio_interference_mitigation_enable(struct b43_wldev *dev, int mode)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	u16 tmp, flipped;
	size_t stackidx = 0;
	u32 *stack = gphy->interfstack;

	switch (mode) {
	case B43_INTERFMODE_NONWLAN:
		if (phy->rev != 1) {
848
			b43_phy_set(dev, 0x042B, 0x0800);
849
			b43_phy_mask(dev, B43_PHY_G_CRS, ~0x4000);
M
Michael Buesch 已提交
850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867
			break;
		}
		radio_stacksave(0x0078);
		tmp = (b43_radio_read16(dev, 0x0078) & 0x001E);
		B43_WARN_ON(tmp > 15);
		flipped = bitrev4(tmp);
		if (flipped < 10 && flipped >= 8)
			flipped = 7;
		else if (flipped >= 10)
			flipped -= 3;
		flipped = (bitrev4(flipped) << 1) | 0x0020;
		b43_radio_write16(dev, 0x0078, flipped);

		b43_calc_nrssi_threshold(dev);

		phy_stacksave(0x0406);
		b43_phy_write(dev, 0x0406, 0x7E28);

868 869
		b43_phy_set(dev, 0x042B, 0x0800);
		b43_phy_set(dev, B43_PHY_RADIO_BITFIELD, 0x1000);
M
Michael Buesch 已提交
870 871

		phy_stacksave(0x04A0);
872
		b43_phy_maskset(dev, 0x04A0, 0xC0C0, 0x0008);
M
Michael Buesch 已提交
873
		phy_stacksave(0x04A1);
874
		b43_phy_maskset(dev, 0x04A1, 0xC0C0, 0x0605);
M
Michael Buesch 已提交
875
		phy_stacksave(0x04A2);
876
		b43_phy_maskset(dev, 0x04A2, 0xC0C0, 0x0204);
M
Michael Buesch 已提交
877
		phy_stacksave(0x04A8);
878
		b43_phy_maskset(dev, 0x04A8, 0xC0C0, 0x0803);
M
Michael Buesch 已提交
879
		phy_stacksave(0x04AB);
880
		b43_phy_maskset(dev, 0x04AB, 0xC0C0, 0x0605);
M
Michael Buesch 已提交
881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935

		phy_stacksave(0x04A7);
		b43_phy_write(dev, 0x04A7, 0x0002);
		phy_stacksave(0x04A3);
		b43_phy_write(dev, 0x04A3, 0x287A);
		phy_stacksave(0x04A9);
		b43_phy_write(dev, 0x04A9, 0x2027);
		phy_stacksave(0x0493);
		b43_phy_write(dev, 0x0493, 0x32F5);
		phy_stacksave(0x04AA);
		b43_phy_write(dev, 0x04AA, 0x2027);
		phy_stacksave(0x04AC);
		b43_phy_write(dev, 0x04AC, 0x32F5);
		break;
	case B43_INTERFMODE_MANUALWLAN:
		if (b43_phy_read(dev, 0x0033) & 0x0800)
			break;

		gphy->aci_enable = 1;

		phy_stacksave(B43_PHY_RADIO_BITFIELD);
		phy_stacksave(B43_PHY_G_CRS);
		if (phy->rev < 2) {
			phy_stacksave(0x0406);
		} else {
			phy_stacksave(0x04C0);
			phy_stacksave(0x04C1);
		}
		phy_stacksave(0x0033);
		phy_stacksave(0x04A7);
		phy_stacksave(0x04A3);
		phy_stacksave(0x04A9);
		phy_stacksave(0x04AA);
		phy_stacksave(0x04AC);
		phy_stacksave(0x0493);
		phy_stacksave(0x04A1);
		phy_stacksave(0x04A0);
		phy_stacksave(0x04A2);
		phy_stacksave(0x048A);
		phy_stacksave(0x04A8);
		phy_stacksave(0x04AB);
		if (phy->rev == 2) {
			phy_stacksave(0x04AD);
			phy_stacksave(0x04AE);
		} else if (phy->rev >= 3) {
			phy_stacksave(0x04AD);
			phy_stacksave(0x0415);
			phy_stacksave(0x0416);
			phy_stacksave(0x0417);
			ofdmtab_stacksave(0x1A00, 0x2);
			ofdmtab_stacksave(0x1A00, 0x3);
		}
		phy_stacksave(0x042B);
		phy_stacksave(0x048C);

936
		b43_phy_mask(dev, B43_PHY_RADIO_BITFIELD, ~0x1000);
937
		b43_phy_maskset(dev, B43_PHY_G_CRS, 0xFFFC, 0x0002);
M
Michael Buesch 已提交
938 939 940 941 942 943 944 945

		b43_phy_write(dev, 0x0033, 0x0800);
		b43_phy_write(dev, 0x04A3, 0x2027);
		b43_phy_write(dev, 0x04A9, 0x1CA8);
		b43_phy_write(dev, 0x0493, 0x287A);
		b43_phy_write(dev, 0x04AA, 0x1CA8);
		b43_phy_write(dev, 0x04AC, 0x287A);

946
		b43_phy_maskset(dev, 0x04A0, 0xFFC0, 0x001A);
M
Michael Buesch 已提交
947 948 949 950 951 952 953 954 955 956 957 958
		b43_phy_write(dev, 0x04A7, 0x000D);

		if (phy->rev < 2) {
			b43_phy_write(dev, 0x0406, 0xFF0D);
		} else if (phy->rev == 2) {
			b43_phy_write(dev, 0x04C0, 0xFFFF);
			b43_phy_write(dev, 0x04C1, 0x00A9);
		} else {
			b43_phy_write(dev, 0x04C0, 0x00C1);
			b43_phy_write(dev, 0x04C1, 0x0059);
		}

959 960 961 962 963 964 965 966 967 968 969 970 971
		b43_phy_maskset(dev, 0x04A1, 0xC0FF, 0x1800);
		b43_phy_maskset(dev, 0x04A1, 0xFFC0, 0x0015);
		b43_phy_maskset(dev, 0x04A8, 0xCFFF, 0x1000);
		b43_phy_maskset(dev, 0x04A8, 0xF0FF, 0x0A00);
		b43_phy_maskset(dev, 0x04AB, 0xCFFF, 0x1000);
		b43_phy_maskset(dev, 0x04AB, 0xF0FF, 0x0800);
		b43_phy_maskset(dev, 0x04AB, 0xFFCF, 0x0010);
		b43_phy_maskset(dev, 0x04AB, 0xFFF0, 0x0005);
		b43_phy_maskset(dev, 0x04A8, 0xFFCF, 0x0010);
		b43_phy_maskset(dev, 0x04A8, 0xFFF0, 0x0006);
		b43_phy_maskset(dev, 0x04A2, 0xF0FF, 0x0800);
		b43_phy_maskset(dev, 0x04A0, 0xF0FF, 0x0500);
		b43_phy_maskset(dev, 0x04A2, 0xFFF0, 0x000B);
M
Michael Buesch 已提交
972 973

		if (phy->rev >= 3) {
974
			b43_phy_mask(dev, 0x048A, (u16)~0x8000);
975 976 977
			b43_phy_maskset(dev, 0x0415, 0x8000, 0x36D8);
			b43_phy_maskset(dev, 0x0416, 0x8000, 0x36D8);
			b43_phy_maskset(dev, 0x0417, 0xFE00, 0x016D);
M
Michael Buesch 已提交
978
		} else {
979
			b43_phy_set(dev, 0x048A, 0x1000);
980
			b43_phy_maskset(dev, 0x048A, 0x9FFF, 0x2000);
M
Michael Buesch 已提交
981 982 983
			b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ACIW);
		}
		if (phy->rev >= 2) {
984
			b43_phy_set(dev, 0x042B, 0x0800);
M
Michael Buesch 已提交
985
		}
986
		b43_phy_maskset(dev, 0x048C, 0xF0FF, 0x0200);
M
Michael Buesch 已提交
987
		if (phy->rev == 2) {
988 989
			b43_phy_maskset(dev, 0x04AE, 0xFF00, 0x007F);
			b43_phy_maskset(dev, 0x04AD, 0x00FF, 0x1300);
M
Michael Buesch 已提交
990 991 992
		} else if (phy->rev >= 6) {
			b43_ofdmtab_write16(dev, 0x1A00, 0x3, 0x007F);
			b43_ofdmtab_write16(dev, 0x1A00, 0x2, 0x007F);
993
			b43_phy_mask(dev, 0x04AD, 0x00FF);
M
Michael Buesch 已提交
994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011
		}
		b43_calc_nrssi_slope(dev);
		break;
	default:
		B43_WARN_ON(1);
	}
}

static void
b43_radio_interference_mitigation_disable(struct b43_wldev *dev, int mode)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	u32 *stack = gphy->interfstack;

	switch (mode) {
	case B43_INTERFMODE_NONWLAN:
		if (phy->rev != 1) {
1012
			b43_phy_mask(dev, 0x042B, ~0x0800);
1013
			b43_phy_set(dev, B43_PHY_G_CRS, 0x4000);
M
Michael Buesch 已提交
1014 1015 1016 1017 1018
			break;
		}
		radio_stackrestore(0x0078);
		b43_calc_nrssi_threshold(dev);
		phy_stackrestore(0x0406);
1019
		b43_phy_mask(dev, 0x042B, ~0x0800);
M
Michael Buesch 已提交
1020
		if (!dev->bad_frames_preempt) {
1021
			b43_phy_mask(dev, B43_PHY_RADIO_BITFIELD, ~(1 << 11));
M
Michael Buesch 已提交
1022
		}
1023
		b43_phy_set(dev, B43_PHY_G_CRS, 0x4000);
M
Michael Buesch 已提交
1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255
		phy_stackrestore(0x04A0);
		phy_stackrestore(0x04A1);
		phy_stackrestore(0x04A2);
		phy_stackrestore(0x04A8);
		phy_stackrestore(0x04AB);
		phy_stackrestore(0x04A7);
		phy_stackrestore(0x04A3);
		phy_stackrestore(0x04A9);
		phy_stackrestore(0x0493);
		phy_stackrestore(0x04AA);
		phy_stackrestore(0x04AC);
		break;
	case B43_INTERFMODE_MANUALWLAN:
		if (!(b43_phy_read(dev, 0x0033) & 0x0800))
			break;

		gphy->aci_enable = 0;

		phy_stackrestore(B43_PHY_RADIO_BITFIELD);
		phy_stackrestore(B43_PHY_G_CRS);
		phy_stackrestore(0x0033);
		phy_stackrestore(0x04A3);
		phy_stackrestore(0x04A9);
		phy_stackrestore(0x0493);
		phy_stackrestore(0x04AA);
		phy_stackrestore(0x04AC);
		phy_stackrestore(0x04A0);
		phy_stackrestore(0x04A7);
		if (phy->rev >= 2) {
			phy_stackrestore(0x04C0);
			phy_stackrestore(0x04C1);
		} else
			phy_stackrestore(0x0406);
		phy_stackrestore(0x04A1);
		phy_stackrestore(0x04AB);
		phy_stackrestore(0x04A8);
		if (phy->rev == 2) {
			phy_stackrestore(0x04AD);
			phy_stackrestore(0x04AE);
		} else if (phy->rev >= 3) {
			phy_stackrestore(0x04AD);
			phy_stackrestore(0x0415);
			phy_stackrestore(0x0416);
			phy_stackrestore(0x0417);
			ofdmtab_stackrestore(0x1A00, 0x2);
			ofdmtab_stackrestore(0x1A00, 0x3);
		}
		phy_stackrestore(0x04A2);
		phy_stackrestore(0x048A);
		phy_stackrestore(0x042B);
		phy_stackrestore(0x048C);
		b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ACIW);
		b43_calc_nrssi_slope(dev);
		break;
	default:
		B43_WARN_ON(1);
	}
}

#undef phy_stacksave
#undef phy_stackrestore
#undef radio_stacksave
#undef radio_stackrestore
#undef ofdmtab_stacksave
#undef ofdmtab_stackrestore

static u16 b43_radio_core_calibration_value(struct b43_wldev *dev)
{
	u16 reg, index, ret;

	static const u8 rcc_table[] = {
		0x02, 0x03, 0x01, 0x0F,
		0x06, 0x07, 0x05, 0x0F,
		0x0A, 0x0B, 0x09, 0x0F,
		0x0E, 0x0F, 0x0D, 0x0F,
	};

	reg = b43_radio_read16(dev, 0x60);
	index = (reg & 0x001E) >> 1;
	ret = rcc_table[index] << 1;
	ret |= (reg & 0x0001);
	ret |= 0x0020;

	return ret;
}

#define LPD(L, P, D)	(((L) << 2) | ((P) << 1) | ((D) << 0))
static u16 radio2050_rfover_val(struct b43_wldev *dev,
				u16 phy_register, unsigned int lpd)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	struct ssb_sprom *sprom = &(dev->dev->bus->sprom);

	if (!phy->gmode)
		return 0;

	if (has_loopback_gain(phy)) {
		int max_lb_gain = gphy->max_lb_gain;
		u16 extlna;
		u16 i;

		if (phy->radio_rev == 8)
			max_lb_gain += 0x3E;
		else
			max_lb_gain += 0x26;
		if (max_lb_gain >= 0x46) {
			extlna = 0x3000;
			max_lb_gain -= 0x46;
		} else if (max_lb_gain >= 0x3A) {
			extlna = 0x1000;
			max_lb_gain -= 0x3A;
		} else if (max_lb_gain >= 0x2E) {
			extlna = 0x2000;
			max_lb_gain -= 0x2E;
		} else {
			extlna = 0;
			max_lb_gain -= 0x10;
		}

		for (i = 0; i < 16; i++) {
			max_lb_gain -= (i * 6);
			if (max_lb_gain < 6)
				break;
		}

		if ((phy->rev < 7) ||
		    !(sprom->boardflags_lo & B43_BFL_EXTLNA)) {
			if (phy_register == B43_PHY_RFOVER) {
				return 0x1B3;
			} else if (phy_register == B43_PHY_RFOVERVAL) {
				extlna |= (i << 8);
				switch (lpd) {
				case LPD(0, 1, 1):
					return 0x0F92;
				case LPD(0, 0, 1):
				case LPD(1, 0, 1):
					return (0x0092 | extlna);
				case LPD(1, 0, 0):
					return (0x0093 | extlna);
				}
				B43_WARN_ON(1);
			}
			B43_WARN_ON(1);
		} else {
			if (phy_register == B43_PHY_RFOVER) {
				return 0x9B3;
			} else if (phy_register == B43_PHY_RFOVERVAL) {
				if (extlna)
					extlna |= 0x8000;
				extlna |= (i << 8);
				switch (lpd) {
				case LPD(0, 1, 1):
					return 0x8F92;
				case LPD(0, 0, 1):
					return (0x8092 | extlna);
				case LPD(1, 0, 1):
					return (0x2092 | extlna);
				case LPD(1, 0, 0):
					return (0x2093 | extlna);
				}
				B43_WARN_ON(1);
			}
			B43_WARN_ON(1);
		}
	} else {
		if ((phy->rev < 7) ||
		    !(sprom->boardflags_lo & B43_BFL_EXTLNA)) {
			if (phy_register == B43_PHY_RFOVER) {
				return 0x1B3;
			} else if (phy_register == B43_PHY_RFOVERVAL) {
				switch (lpd) {
				case LPD(0, 1, 1):
					return 0x0FB2;
				case LPD(0, 0, 1):
					return 0x00B2;
				case LPD(1, 0, 1):
					return 0x30B2;
				case LPD(1, 0, 0):
					return 0x30B3;
				}
				B43_WARN_ON(1);
			}
			B43_WARN_ON(1);
		} else {
			if (phy_register == B43_PHY_RFOVER) {
				return 0x9B3;
			} else if (phy_register == B43_PHY_RFOVERVAL) {
				switch (lpd) {
				case LPD(0, 1, 1):
					return 0x8FB2;
				case LPD(0, 0, 1):
					return 0x80B2;
				case LPD(1, 0, 1):
					return 0x20B2;
				case LPD(1, 0, 0):
					return 0x20B3;
				}
				B43_WARN_ON(1);
			}
			B43_WARN_ON(1);
		}
	}
	return 0;
}

struct init2050_saved_values {
	/* Core registers */
	u16 reg_3EC;
	u16 reg_3E6;
	u16 reg_3F4;
	/* Radio registers */
	u16 radio_43;
	u16 radio_51;
	u16 radio_52;
	/* PHY registers */
	u16 phy_pgactl;
	u16 phy_cck_5A;
	u16 phy_cck_59;
	u16 phy_cck_58;
	u16 phy_cck_30;
	u16 phy_rfover;
	u16 phy_rfoverval;
	u16 phy_analogover;
	u16 phy_analogoverval;
	u16 phy_crs0;
	u16 phy_classctl;
	u16 phy_lo_mask;
	u16 phy_lo_ctl;
	u16 phy_syncctl;
};

1256
static u16 b43_radio_init2050(struct b43_wldev *dev)
M
Michael Buesch 已提交
1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290
{
	struct b43_phy *phy = &dev->phy;
	struct init2050_saved_values sav;
	u16 rcc;
	u16 radio78;
	u16 ret;
	u16 i, j;
	u32 tmp1 = 0, tmp2 = 0;

	memset(&sav, 0, sizeof(sav));	/* get rid of "may be used uninitialized..." */

	sav.radio_43 = b43_radio_read16(dev, 0x43);
	sav.radio_51 = b43_radio_read16(dev, 0x51);
	sav.radio_52 = b43_radio_read16(dev, 0x52);
	sav.phy_pgactl = b43_phy_read(dev, B43_PHY_PGACTL);
	sav.phy_cck_5A = b43_phy_read(dev, B43_PHY_CCK(0x5A));
	sav.phy_cck_59 = b43_phy_read(dev, B43_PHY_CCK(0x59));
	sav.phy_cck_58 = b43_phy_read(dev, B43_PHY_CCK(0x58));

	if (phy->type == B43_PHYTYPE_B) {
		sav.phy_cck_30 = b43_phy_read(dev, B43_PHY_CCK(0x30));
		sav.reg_3EC = b43_read16(dev, 0x3EC);

		b43_phy_write(dev, B43_PHY_CCK(0x30), 0xFF);
		b43_write16(dev, 0x3EC, 0x3F3F);
	} else if (phy->gmode || phy->rev >= 2) {
		sav.phy_rfover = b43_phy_read(dev, B43_PHY_RFOVER);
		sav.phy_rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL);
		sav.phy_analogover = b43_phy_read(dev, B43_PHY_ANALOGOVER);
		sav.phy_analogoverval =
		    b43_phy_read(dev, B43_PHY_ANALOGOVERVAL);
		sav.phy_crs0 = b43_phy_read(dev, B43_PHY_CRS0);
		sav.phy_classctl = b43_phy_read(dev, B43_PHY_CLASSCTL);

1291
		b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0003);
1292 1293 1294
		b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFC);
		b43_phy_mask(dev, B43_PHY_CRS0, 0x7FFF);
		b43_phy_mask(dev, B43_PHY_CLASSCTL, 0xFFFC);
M
Michael Buesch 已提交
1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314
		if (has_loopback_gain(phy)) {
			sav.phy_lo_mask = b43_phy_read(dev, B43_PHY_LO_MASK);
			sav.phy_lo_ctl = b43_phy_read(dev, B43_PHY_LO_CTL);

			if (phy->rev >= 3)
				b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020);
			else
				b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020);
			b43_phy_write(dev, B43_PHY_LO_CTL, 0);
		}

		b43_phy_write(dev, B43_PHY_RFOVERVAL,
			      radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
						   LPD(0, 1, 1)));
		b43_phy_write(dev, B43_PHY_RFOVER,
			      radio2050_rfover_val(dev, B43_PHY_RFOVER, 0));
	}
	b43_write16(dev, 0x3E2, b43_read16(dev, 0x3E2) | 0x8000);

	sav.phy_syncctl = b43_phy_read(dev, B43_PHY_SYNCCTL);
1315
	b43_phy_mask(dev, B43_PHY_SYNCCTL, 0xFF7F);
M
Michael Buesch 已提交
1316 1317 1318 1319 1320 1321 1322
	sav.reg_3E6 = b43_read16(dev, 0x3E6);
	sav.reg_3F4 = b43_read16(dev, 0x3F4);

	if (phy->analog == 0) {
		b43_write16(dev, 0x03E6, 0x0122);
	} else {
		if (phy->analog >= 2) {
1323
			b43_phy_maskset(dev, B43_PHY_CCK(0x03), 0xFFBF, 0x40);
M
Michael Buesch 已提交
1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345
		}
		b43_write16(dev, B43_MMIO_CHANNEL_EXT,
			    (b43_read16(dev, B43_MMIO_CHANNEL_EXT) | 0x2000));
	}

	rcc = b43_radio_core_calibration_value(dev);

	if (phy->type == B43_PHYTYPE_B)
		b43_radio_write16(dev, 0x78, 0x26);
	if (phy->gmode || phy->rev >= 2) {
		b43_phy_write(dev, B43_PHY_RFOVERVAL,
			      radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
						   LPD(0, 1, 1)));
	}
	b43_phy_write(dev, B43_PHY_PGACTL, 0xBFAF);
	b43_phy_write(dev, B43_PHY_CCK(0x2B), 0x1403);
	if (phy->gmode || phy->rev >= 2) {
		b43_phy_write(dev, B43_PHY_RFOVERVAL,
			      radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
						   LPD(0, 0, 1)));
	}
	b43_phy_write(dev, B43_PHY_PGACTL, 0xBFA0);
1346
	b43_radio_set(dev, 0x51, 0x0004);
M
Michael Buesch 已提交
1347 1348 1349 1350
	if (phy->radio_rev == 8) {
		b43_radio_write16(dev, 0x43, 0x1F);
	} else {
		b43_radio_write16(dev, 0x52, 0);
1351
		b43_radio_maskset(dev, 0x43, 0xFFF0, 0x0009);
M
Michael Buesch 已提交
1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499
	}
	b43_phy_write(dev, B43_PHY_CCK(0x58), 0);

	for (i = 0; i < 16; i++) {
		b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0480);
		b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
		b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
		if (phy->gmode || phy->rev >= 2) {
			b43_phy_write(dev, B43_PHY_RFOVERVAL,
				      radio2050_rfover_val(dev,
							   B43_PHY_RFOVERVAL,
							   LPD(1, 0, 1)));
		}
		b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
		udelay(10);
		if (phy->gmode || phy->rev >= 2) {
			b43_phy_write(dev, B43_PHY_RFOVERVAL,
				      radio2050_rfover_val(dev,
							   B43_PHY_RFOVERVAL,
							   LPD(1, 0, 1)));
		}
		b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0);
		udelay(10);
		if (phy->gmode || phy->rev >= 2) {
			b43_phy_write(dev, B43_PHY_RFOVERVAL,
				      radio2050_rfover_val(dev,
							   B43_PHY_RFOVERVAL,
							   LPD(1, 0, 0)));
		}
		b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0);
		udelay(20);
		tmp1 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
		b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
		if (phy->gmode || phy->rev >= 2) {
			b43_phy_write(dev, B43_PHY_RFOVERVAL,
				      radio2050_rfover_val(dev,
							   B43_PHY_RFOVERVAL,
							   LPD(1, 0, 1)));
		}
		b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
	}
	udelay(10);

	b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
	tmp1++;
	tmp1 >>= 9;

	for (i = 0; i < 16; i++) {
		radio78 = (bitrev4(i) << 1) | 0x0020;
		b43_radio_write16(dev, 0x78, radio78);
		udelay(10);
		for (j = 0; j < 16; j++) {
			b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0D80);
			b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
			b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
			if (phy->gmode || phy->rev >= 2) {
				b43_phy_write(dev, B43_PHY_RFOVERVAL,
					      radio2050_rfover_val(dev,
								   B43_PHY_RFOVERVAL,
								   LPD(1, 0,
								       1)));
			}
			b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
			udelay(10);
			if (phy->gmode || phy->rev >= 2) {
				b43_phy_write(dev, B43_PHY_RFOVERVAL,
					      radio2050_rfover_val(dev,
								   B43_PHY_RFOVERVAL,
								   LPD(1, 0,
								       1)));
			}
			b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0);
			udelay(10);
			if (phy->gmode || phy->rev >= 2) {
				b43_phy_write(dev, B43_PHY_RFOVERVAL,
					      radio2050_rfover_val(dev,
								   B43_PHY_RFOVERVAL,
								   LPD(1, 0,
								       0)));
			}
			b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0);
			udelay(10);
			tmp2 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
			b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
			if (phy->gmode || phy->rev >= 2) {
				b43_phy_write(dev, B43_PHY_RFOVERVAL,
					      radio2050_rfover_val(dev,
								   B43_PHY_RFOVERVAL,
								   LPD(1, 0,
								       1)));
			}
			b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
		}
		tmp2++;
		tmp2 >>= 8;
		if (tmp1 < tmp2)
			break;
	}

	/* Restore the registers */
	b43_phy_write(dev, B43_PHY_PGACTL, sav.phy_pgactl);
	b43_radio_write16(dev, 0x51, sav.radio_51);
	b43_radio_write16(dev, 0x52, sav.radio_52);
	b43_radio_write16(dev, 0x43, sav.radio_43);
	b43_phy_write(dev, B43_PHY_CCK(0x5A), sav.phy_cck_5A);
	b43_phy_write(dev, B43_PHY_CCK(0x59), sav.phy_cck_59);
	b43_phy_write(dev, B43_PHY_CCK(0x58), sav.phy_cck_58);
	b43_write16(dev, 0x3E6, sav.reg_3E6);
	if (phy->analog != 0)
		b43_write16(dev, 0x3F4, sav.reg_3F4);
	b43_phy_write(dev, B43_PHY_SYNCCTL, sav.phy_syncctl);
	b43_synth_pu_workaround(dev, phy->channel);
	if (phy->type == B43_PHYTYPE_B) {
		b43_phy_write(dev, B43_PHY_CCK(0x30), sav.phy_cck_30);
		b43_write16(dev, 0x3EC, sav.reg_3EC);
	} else if (phy->gmode) {
		b43_write16(dev, B43_MMIO_PHY_RADIO,
			    b43_read16(dev, B43_MMIO_PHY_RADIO)
			    & 0x7FFF);
		b43_phy_write(dev, B43_PHY_RFOVER, sav.phy_rfover);
		b43_phy_write(dev, B43_PHY_RFOVERVAL, sav.phy_rfoverval);
		b43_phy_write(dev, B43_PHY_ANALOGOVER, sav.phy_analogover);
		b43_phy_write(dev, B43_PHY_ANALOGOVERVAL,
			      sav.phy_analogoverval);
		b43_phy_write(dev, B43_PHY_CRS0, sav.phy_crs0);
		b43_phy_write(dev, B43_PHY_CLASSCTL, sav.phy_classctl);
		if (has_loopback_gain(phy)) {
			b43_phy_write(dev, B43_PHY_LO_MASK, sav.phy_lo_mask);
			b43_phy_write(dev, B43_PHY_LO_CTL, sav.phy_lo_ctl);
		}
	}
	if (i > 15)
		ret = radio78;
	else
		ret = rcc;

	return ret;
}

static void b43_phy_initb5(struct b43_wldev *dev)
{
	struct ssb_bus *bus = dev->dev->bus;
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	u16 offset, value;
	u8 old_channel;

	if (phy->analog == 1) {
1500
		b43_radio_set(dev, 0x007A, 0x0050);
M
Michael Buesch 已提交
1501 1502 1503 1504 1505 1506 1507 1508 1509
	}
	if ((bus->boardinfo.vendor != SSB_BOARDVENDOR_BCM) &&
	    (bus->boardinfo.type != SSB_BOARD_BU4306)) {
		value = 0x2120;
		for (offset = 0x00A8; offset < 0x00C7; offset++) {
			b43_phy_write(dev, offset, value);
			value += 0x202;
		}
	}
1510
	b43_phy_maskset(dev, 0x0035, 0xF0FF, 0x0700);
M
Michael Buesch 已提交
1511 1512 1513 1514 1515
	if (phy->radio_ver == 0x2050)
		b43_phy_write(dev, 0x0038, 0x0667);

	if (phy->gmode || phy->rev >= 2) {
		if (phy->radio_ver == 0x2050) {
1516 1517
			b43_radio_set(dev, 0x007A, 0x0020);
			b43_radio_set(dev, 0x0051, 0x0004);
M
Michael Buesch 已提交
1518 1519 1520
		}
		b43_write16(dev, B43_MMIO_PHY_RADIO, 0x0000);

1521 1522
		b43_phy_set(dev, 0x0802, 0x0100);
		b43_phy_set(dev, 0x042B, 0x2000);
M
Michael Buesch 已提交
1523 1524 1525

		b43_phy_write(dev, 0x001C, 0x186A);

1526 1527 1528
		b43_phy_maskset(dev, 0x0013, 0x00FF, 0x1900);
		b43_phy_maskset(dev, 0x0035, 0xFFC0, 0x0064);
		b43_phy_maskset(dev, 0x005D, 0xFF80, 0x000A);
M
Michael Buesch 已提交
1529 1530 1531
	}

	if (dev->bad_frames_preempt) {
1532
		b43_phy_set(dev, B43_PHY_RADIO_BITFIELD, (1 << 11));
M
Michael Buesch 已提交
1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573
	}

	if (phy->analog == 1) {
		b43_phy_write(dev, 0x0026, 0xCE00);
		b43_phy_write(dev, 0x0021, 0x3763);
		b43_phy_write(dev, 0x0022, 0x1BC3);
		b43_phy_write(dev, 0x0023, 0x06F9);
		b43_phy_write(dev, 0x0024, 0x037E);
	} else
		b43_phy_write(dev, 0x0026, 0xCC00);
	b43_phy_write(dev, 0x0030, 0x00C6);
	b43_write16(dev, 0x03EC, 0x3F22);

	if (phy->analog == 1)
		b43_phy_write(dev, 0x0020, 0x3E1C);
	else
		b43_phy_write(dev, 0x0020, 0x301C);

	if (phy->analog == 0)
		b43_write16(dev, 0x03E4, 0x3000);

	old_channel = phy->channel;
	/* Force to channel 7, even if not supported. */
	b43_gphy_channel_switch(dev, 7, 0);

	if (phy->radio_ver != 0x2050) {
		b43_radio_write16(dev, 0x0075, 0x0080);
		b43_radio_write16(dev, 0x0079, 0x0081);
	}

	b43_radio_write16(dev, 0x0050, 0x0020);
	b43_radio_write16(dev, 0x0050, 0x0023);

	if (phy->radio_ver == 0x2050) {
		b43_radio_write16(dev, 0x0050, 0x0020);
		b43_radio_write16(dev, 0x005A, 0x0070);
	}

	b43_radio_write16(dev, 0x005B, 0x007B);
	b43_radio_write16(dev, 0x005C, 0x00B0);

1574
	b43_radio_set(dev, 0x007A, 0x0007);
M
Michael Buesch 已提交
1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649

	b43_gphy_channel_switch(dev, old_channel, 0);

	b43_phy_write(dev, 0x0014, 0x0080);
	b43_phy_write(dev, 0x0032, 0x00CA);
	b43_phy_write(dev, 0x002A, 0x88A3);

	b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, gphy->tx_control);

	if (phy->radio_ver == 0x2050)
		b43_radio_write16(dev, 0x005D, 0x000D);

	b43_write16(dev, 0x03E4, (b43_read16(dev, 0x03E4) & 0xFFC0) | 0x0004);
}

static void b43_phy_initb6(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	u16 offset, val;
	u8 old_channel;

	b43_phy_write(dev, 0x003E, 0x817A);
	b43_radio_write16(dev, 0x007A,
			  (b43_radio_read16(dev, 0x007A) | 0x0058));
	if (phy->radio_rev == 4 || phy->radio_rev == 5) {
		b43_radio_write16(dev, 0x51, 0x37);
		b43_radio_write16(dev, 0x52, 0x70);
		b43_radio_write16(dev, 0x53, 0xB3);
		b43_radio_write16(dev, 0x54, 0x9B);
		b43_radio_write16(dev, 0x5A, 0x88);
		b43_radio_write16(dev, 0x5B, 0x88);
		b43_radio_write16(dev, 0x5D, 0x88);
		b43_radio_write16(dev, 0x5E, 0x88);
		b43_radio_write16(dev, 0x7D, 0x88);
		b43_hf_write(dev, b43_hf_read(dev)
			     | B43_HF_TSSIRPSMW);
	}
	B43_WARN_ON(phy->radio_rev == 6 || phy->radio_rev == 7);	/* We had code for these revs here... */
	if (phy->radio_rev == 8) {
		b43_radio_write16(dev, 0x51, 0);
		b43_radio_write16(dev, 0x52, 0x40);
		b43_radio_write16(dev, 0x53, 0xB7);
		b43_radio_write16(dev, 0x54, 0x98);
		b43_radio_write16(dev, 0x5A, 0x88);
		b43_radio_write16(dev, 0x5B, 0x6B);
		b43_radio_write16(dev, 0x5C, 0x0F);
		if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_ALTIQ) {
			b43_radio_write16(dev, 0x5D, 0xFA);
			b43_radio_write16(dev, 0x5E, 0xD8);
		} else {
			b43_radio_write16(dev, 0x5D, 0xF5);
			b43_radio_write16(dev, 0x5E, 0xB8);
		}
		b43_radio_write16(dev, 0x0073, 0x0003);
		b43_radio_write16(dev, 0x007D, 0x00A8);
		b43_radio_write16(dev, 0x007C, 0x0001);
		b43_radio_write16(dev, 0x007E, 0x0008);
	}
	val = 0x1E1F;
	for (offset = 0x0088; offset < 0x0098; offset++) {
		b43_phy_write(dev, offset, val);
		val -= 0x0202;
	}
	val = 0x3E3F;
	for (offset = 0x0098; offset < 0x00A8; offset++) {
		b43_phy_write(dev, offset, val);
		val -= 0x0202;
	}
	val = 0x2120;
	for (offset = 0x00A8; offset < 0x00C8; offset++) {
		b43_phy_write(dev, offset, (val & 0x3F3F));
		val += 0x0202;
	}
	if (phy->type == B43_PHYTYPE_G) {
1650 1651
		b43_radio_set(dev, 0x007A, 0x0020);
		b43_radio_set(dev, 0x0051, 0x0004);
1652 1653
		b43_phy_set(dev, 0x0802, 0x0100);
		b43_phy_set(dev, 0x042B, 0x2000);
M
Michael Buesch 已提交
1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677
		b43_phy_write(dev, 0x5B, 0);
		b43_phy_write(dev, 0x5C, 0);
	}

	old_channel = phy->channel;
	if (old_channel >= 8)
		b43_gphy_channel_switch(dev, 1, 0);
	else
		b43_gphy_channel_switch(dev, 13, 0);

	b43_radio_write16(dev, 0x0050, 0x0020);
	b43_radio_write16(dev, 0x0050, 0x0023);
	udelay(40);
	if (phy->radio_rev < 6 || phy->radio_rev == 8) {
		b43_radio_write16(dev, 0x7C, (b43_radio_read16(dev, 0x7C)
					      | 0x0002));
		b43_radio_write16(dev, 0x50, 0x20);
	}
	if (phy->radio_rev <= 2) {
		b43_radio_write16(dev, 0x7C, 0x20);
		b43_radio_write16(dev, 0x5A, 0x70);
		b43_radio_write16(dev, 0x5B, 0x7B);
		b43_radio_write16(dev, 0x5C, 0xB0);
	}
1678
	b43_radio_maskset(dev, 0x007A, 0x00F8, 0x0007);
M
Michael Buesch 已提交
1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689

	b43_gphy_channel_switch(dev, old_channel, 0);

	b43_phy_write(dev, 0x0014, 0x0200);
	if (phy->radio_rev >= 6)
		b43_phy_write(dev, 0x2A, 0x88C2);
	else
		b43_phy_write(dev, 0x2A, 0x8AC0);
	b43_phy_write(dev, 0x0038, 0x0668);
	b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, gphy->tx_control);
	if (phy->radio_rev <= 5) {
1690
		b43_phy_maskset(dev, 0x5D, 0xFF80, 0x0003);
M
Michael Buesch 已提交
1691 1692 1693 1694 1695 1696
	}
	if (phy->radio_rev <= 2)
		b43_radio_write16(dev, 0x005D, 0x000D);

	if (phy->analog == 4) {
		b43_write16(dev, 0x3E4, 9);
1697
		b43_phy_mask(dev, 0x61, 0x0FFF);
M
Michael Buesch 已提交
1698
	} else {
1699
		b43_phy_maskset(dev, 0x0002, 0xFFC0, 0x0004);
M
Michael Buesch 已提交
1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740
	}
	if (phy->type == B43_PHYTYPE_B)
		B43_WARN_ON(1);
	else if (phy->type == B43_PHYTYPE_G)
		b43_write16(dev, 0x03E6, 0x0);
}

static void b43_calc_loopback_gain(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	u16 backup_phy[16] = { 0 };
	u16 backup_radio[3];
	u16 backup_bband;
	u16 i, j, loop_i_max;
	u16 trsw_rx;
	u16 loop1_outer_done, loop1_inner_done;

	backup_phy[0] = b43_phy_read(dev, B43_PHY_CRS0);
	backup_phy[1] = b43_phy_read(dev, B43_PHY_CCKBBANDCFG);
	backup_phy[2] = b43_phy_read(dev, B43_PHY_RFOVER);
	backup_phy[3] = b43_phy_read(dev, B43_PHY_RFOVERVAL);
	if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
		backup_phy[4] = b43_phy_read(dev, B43_PHY_ANALOGOVER);
		backup_phy[5] = b43_phy_read(dev, B43_PHY_ANALOGOVERVAL);
	}
	backup_phy[6] = b43_phy_read(dev, B43_PHY_CCK(0x5A));
	backup_phy[7] = b43_phy_read(dev, B43_PHY_CCK(0x59));
	backup_phy[8] = b43_phy_read(dev, B43_PHY_CCK(0x58));
	backup_phy[9] = b43_phy_read(dev, B43_PHY_CCK(0x0A));
	backup_phy[10] = b43_phy_read(dev, B43_PHY_CCK(0x03));
	backup_phy[11] = b43_phy_read(dev, B43_PHY_LO_MASK);
	backup_phy[12] = b43_phy_read(dev, B43_PHY_LO_CTL);
	backup_phy[13] = b43_phy_read(dev, B43_PHY_CCK(0x2B));
	backup_phy[14] = b43_phy_read(dev, B43_PHY_PGACTL);
	backup_phy[15] = b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
	backup_bband = gphy->bbatt.att;
	backup_radio[0] = b43_radio_read16(dev, 0x52);
	backup_radio[1] = b43_radio_read16(dev, 0x43);
	backup_radio[2] = b43_radio_read16(dev, 0x7A);

1741
	b43_phy_mask(dev, B43_PHY_CRS0, 0x3FFF);
1742 1743
	b43_phy_set(dev, B43_PHY_CCKBBANDCFG, 0x8000);
	b43_phy_set(dev, B43_PHY_RFOVER, 0x0002);
1744
	b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xFFFD);
1745
	b43_phy_set(dev, B43_PHY_RFOVER, 0x0001);
1746
	b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xFFFE);
M
Michael Buesch 已提交
1747
	if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
1748
		b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0001);
1749
		b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFE);
1750
		b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0002);
1751
		b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFD);
M
Michael Buesch 已提交
1752
	}
1753 1754 1755
	b43_phy_set(dev, B43_PHY_RFOVER, 0x000C);
	b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x000C);
	b43_phy_set(dev, B43_PHY_RFOVER, 0x0030);
1756
	b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xFFCF, 0x10);
M
Michael Buesch 已提交
1757 1758 1759 1760 1761

	b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0780);
	b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
	b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);

1762
	b43_phy_set(dev, B43_PHY_CCK(0x0A), 0x2000);
M
Michael Buesch 已提交
1763
	if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
1764
		b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0004);
1765
		b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFB);
M
Michael Buesch 已提交
1766
	}
1767
	b43_phy_maskset(dev, B43_PHY_CCK(0x03), 0xFF9F, 0x40);
M
Michael Buesch 已提交
1768 1769 1770 1771 1772

	if (phy->radio_rev == 8) {
		b43_radio_write16(dev, 0x43, 0x000F);
	} else {
		b43_radio_write16(dev, 0x52, 0);
1773
		b43_radio_maskset(dev, 0x43, 0xFFF0, 0x9);
M
Michael Buesch 已提交
1774 1775 1776 1777 1778 1779 1780 1781 1782
	}
	b43_gphy_set_baseband_attenuation(dev, 11);

	if (phy->rev >= 3)
		b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020);
	else
		b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020);
	b43_phy_write(dev, B43_PHY_LO_CTL, 0);

1783 1784
	b43_phy_maskset(dev, B43_PHY_CCK(0x2B), 0xFFC0, 0x01);
	b43_phy_maskset(dev, B43_PHY_CCK(0x2B), 0xC0FF, 0x800);
M
Michael Buesch 已提交
1785

1786
	b43_phy_set(dev, B43_PHY_RFOVER, 0x0100);
1787
	b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xCFFF);
M
Michael Buesch 已提交
1788 1789 1790

	if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_EXTLNA) {
		if (phy->rev >= 7) {
1791 1792
			b43_phy_set(dev, B43_PHY_RFOVER, 0x0800);
			b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x8000);
M
Michael Buesch 已提交
1793 1794
		}
	}
1795
	b43_radio_mask(dev, 0x7A, 0x00F7);
M
Michael Buesch 已提交
1796 1797 1798 1799 1800 1801

	j = 0;
	loop_i_max = (phy->radio_rev == 8) ? 15 : 9;
	for (i = 0; i < loop_i_max; i++) {
		for (j = 0; j < 16; j++) {
			b43_radio_write16(dev, 0x43, i);
1802 1803
			b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xF0FF, (j << 8));
			b43_phy_maskset(dev, B43_PHY_PGACTL, 0x0FFF, 0xA000);
1804
			b43_phy_set(dev, B43_PHY_PGACTL, 0xF000);
M
Michael Buesch 已提交
1805 1806 1807 1808 1809 1810 1811 1812 1813
			udelay(20);
			if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC)
				goto exit_loop1;
		}
	}
      exit_loop1:
	loop1_outer_done = i;
	loop1_inner_done = j;
	if (j >= 8) {
1814
		b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x30);
M
Michael Buesch 已提交
1815 1816
		trsw_rx = 0x1B;
		for (j = j - 8; j < 16; j++) {
1817 1818
			b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xF0FF, (j << 8));
			b43_phy_maskset(dev, B43_PHY_PGACTL, 0x0FFF, 0xA000);
1819
			b43_phy_set(dev, B43_PHY_PGACTL, 0xF000);
M
Michael Buesch 已提交
1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869
			udelay(20);
			trsw_rx -= 3;
			if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC)
				goto exit_loop2;
		}
	} else
		trsw_rx = 0x18;
      exit_loop2:

	if (phy->rev != 1) {	/* Not in specs, but needed to prevent PPC machine check */
		b43_phy_write(dev, B43_PHY_ANALOGOVER, backup_phy[4]);
		b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, backup_phy[5]);
	}
	b43_phy_write(dev, B43_PHY_CCK(0x5A), backup_phy[6]);
	b43_phy_write(dev, B43_PHY_CCK(0x59), backup_phy[7]);
	b43_phy_write(dev, B43_PHY_CCK(0x58), backup_phy[8]);
	b43_phy_write(dev, B43_PHY_CCK(0x0A), backup_phy[9]);
	b43_phy_write(dev, B43_PHY_CCK(0x03), backup_phy[10]);
	b43_phy_write(dev, B43_PHY_LO_MASK, backup_phy[11]);
	b43_phy_write(dev, B43_PHY_LO_CTL, backup_phy[12]);
	b43_phy_write(dev, B43_PHY_CCK(0x2B), backup_phy[13]);
	b43_phy_write(dev, B43_PHY_PGACTL, backup_phy[14]);

	b43_gphy_set_baseband_attenuation(dev, backup_bband);

	b43_radio_write16(dev, 0x52, backup_radio[0]);
	b43_radio_write16(dev, 0x43, backup_radio[1]);
	b43_radio_write16(dev, 0x7A, backup_radio[2]);

	b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2] | 0x0003);
	udelay(10);
	b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2]);
	b43_phy_write(dev, B43_PHY_RFOVERVAL, backup_phy[3]);
	b43_phy_write(dev, B43_PHY_CRS0, backup_phy[0]);
	b43_phy_write(dev, B43_PHY_CCKBBANDCFG, backup_phy[1]);

	gphy->max_lb_gain =
	    ((loop1_inner_done * 6) - (loop1_outer_done * 4)) - 11;
	gphy->trsw_rx_gain = trsw_rx * 2;
}

static void b43_hardware_pctl_early_init(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;

	if (!b43_has_hardware_pctl(dev)) {
		b43_phy_write(dev, 0x047A, 0xC111);
		return;
	}

1870
	b43_phy_mask(dev, 0x0036, 0xFEFF);
M
Michael Buesch 已提交
1871
	b43_phy_write(dev, 0x002F, 0x0202);
1872 1873
	b43_phy_set(dev, 0x047C, 0x0002);
	b43_phy_set(dev, 0x047A, 0xF000);
M
Michael Buesch 已提交
1874
	if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
1875
		b43_phy_maskset(dev, 0x047A, 0xFF0F, 0x0010);
1876
		b43_phy_set(dev, 0x005D, 0x8000);
1877
		b43_phy_maskset(dev, 0x004E, 0xFFC0, 0x0010);
M
Michael Buesch 已提交
1878
		b43_phy_write(dev, 0x002E, 0xC07F);
1879
		b43_phy_set(dev, 0x0036, 0x0400);
M
Michael Buesch 已提交
1880
	} else {
1881 1882
		b43_phy_set(dev, 0x0036, 0x0200);
		b43_phy_set(dev, 0x0036, 0x0400);
1883 1884
		b43_phy_mask(dev, 0x005D, 0x7FFF);
		b43_phy_mask(dev, 0x004F, 0xFFFE);
1885
		b43_phy_maskset(dev, 0x004E, 0xFFC0, 0x0010);
M
Michael Buesch 已提交
1886
		b43_phy_write(dev, 0x002E, 0xC07F);
1887
		b43_phy_maskset(dev, 0x047A, 0xFF0F, 0x0010);
M
Michael Buesch 已提交
1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902
	}
}

/* Hardware power control for G-PHY */
static void b43_hardware_pctl_init_gphy(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;

	if (!b43_has_hardware_pctl(dev)) {
		/* No hardware power control */
		b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_HWPCTL);
		return;
	}

1903 1904
	b43_phy_maskset(dev, 0x0036, 0xFFC0, (gphy->tgt_idle_tssi - gphy->cur_idle_tssi));
	b43_phy_maskset(dev, 0x0478, 0xFF00, (gphy->tgt_idle_tssi - gphy->cur_idle_tssi));
M
Michael Buesch 已提交
1905 1906
	b43_gphy_tssi_power_lt_init(dev);
	b43_gphy_gain_lt_init(dev);
1907
	b43_phy_mask(dev, 0x0060, 0xFFBF);
M
Michael Buesch 已提交
1908 1909 1910
	b43_phy_write(dev, 0x0014, 0x0000);

	B43_WARN_ON(phy->rev < 6);
1911
	b43_phy_set(dev, 0x0478, 0x0800);
1912 1913
	b43_phy_mask(dev, 0x0478, 0xFEFF);
	b43_phy_mask(dev, 0x0801, 0xFFBF);
M
Michael Buesch 已提交
1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947

	b43_gphy_dc_lt_init(dev, 1);

	/* Enable hardware pctl in firmware. */
	b43_hf_write(dev, b43_hf_read(dev) | B43_HF_HWPCTL);
}

/* Intialize B/G PHY power control */
static void b43_phy_init_pctl(struct b43_wldev *dev)
{
	struct ssb_bus *bus = dev->dev->bus;
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	struct b43_rfatt old_rfatt;
	struct b43_bbatt old_bbatt;
	u8 old_tx_control = 0;

	B43_WARN_ON(phy->type != B43_PHYTYPE_G);

	if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
	    (bus->boardinfo.type == SSB_BOARD_BU4306))
		return;

	b43_phy_write(dev, 0x0028, 0x8018);

	/* This does something with the Analog... */
	b43_write16(dev, B43_MMIO_PHY0, b43_read16(dev, B43_MMIO_PHY0)
		    & 0xFFDF);

	if (!phy->gmode)
		return;
	b43_hardware_pctl_early_init(dev);
	if (gphy->cur_idle_tssi == 0) {
		if (phy->radio_ver == 0x2050 && phy->analog == 0) {
1948
			b43_radio_maskset(dev, 0x0076, 0x00F7, 0x0084);
M
Michael Buesch 已提交
1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966
		} else {
			struct b43_rfatt rfatt;
			struct b43_bbatt bbatt;

			memcpy(&old_rfatt, &gphy->rfatt, sizeof(old_rfatt));
			memcpy(&old_bbatt, &gphy->bbatt, sizeof(old_bbatt));
			old_tx_control = gphy->tx_control;

			bbatt.att = 11;
			if (phy->radio_rev == 8) {
				rfatt.att = 15;
				rfatt.with_padmix = 1;
			} else {
				rfatt.att = 9;
				rfatt.with_padmix = 0;
			}
			b43_set_txpower_g(dev, &bbatt, &rfatt, 0);
		}
1967
		b43_dummy_transmission(dev, false, true);
M
Michael Buesch 已提交
1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980
		gphy->cur_idle_tssi = b43_phy_read(dev, B43_PHY_ITSSI);
		if (B43_DEBUG) {
			/* Current-Idle-TSSI sanity check. */
			if (abs(gphy->cur_idle_tssi - gphy->tgt_idle_tssi) >= 20) {
				b43dbg(dev->wl,
				       "!WARNING! Idle-TSSI phy->cur_idle_tssi "
				       "measuring failed. (cur=%d, tgt=%d). Disabling TX power "
				       "adjustment.\n", gphy->cur_idle_tssi,
				       gphy->tgt_idle_tssi);
				gphy->cur_idle_tssi = 0;
			}
		}
		if (phy->radio_ver == 0x2050 && phy->analog == 0) {
1981
			b43_radio_mask(dev, 0x0076, 0xFF7B);
M
Michael Buesch 已提交
1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
		} else {
			b43_set_txpower_g(dev, &old_bbatt,
					  &old_rfatt, old_tx_control);
		}
	}
	b43_hardware_pctl_init_gphy(dev);
	b43_shm_clear_tssi(dev);
}

static void b43_phy_initg(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	u16 tmp;

	if (phy->rev == 1)
		b43_phy_initb5(dev);
	else
		b43_phy_initb6(dev);

	if (phy->rev >= 2 || phy->gmode)
		b43_phy_inita(dev);

	if (phy->rev >= 2) {
		b43_phy_write(dev, B43_PHY_ANALOGOVER, 0);
		b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, 0);
	}
	if (phy->rev == 2) {
		b43_phy_write(dev, B43_PHY_RFOVER, 0);
		b43_phy_write(dev, B43_PHY_PGACTL, 0xC0);
	}
	if (phy->rev > 5) {
		b43_phy_write(dev, B43_PHY_RFOVER, 0x400);
		b43_phy_write(dev, B43_PHY_PGACTL, 0xC0);
	}
	if (phy->gmode || phy->rev >= 2) {
		tmp = b43_phy_read(dev, B43_PHY_VERSION_OFDM);
		tmp &= B43_PHYVER_VERSION;
		if (tmp == 3 || tmp == 5) {
			b43_phy_write(dev, B43_PHY_OFDM(0xC2), 0x1816);
			b43_phy_write(dev, B43_PHY_OFDM(0xC3), 0x8006);
		}
		if (tmp == 5) {
2025
			b43_phy_maskset(dev, B43_PHY_OFDM(0xCC), 0x00FF, 0x1F00);
M
Michael Buesch 已提交
2026 2027 2028 2029 2030
		}
	}
	if ((phy->rev <= 2 && phy->gmode) || phy->rev >= 2)
		b43_phy_write(dev, B43_PHY_OFDM(0x7E), 0x78);
	if (phy->radio_rev == 8) {
2031 2032
		b43_phy_set(dev, B43_PHY_EXTG(0x01), 0x80);
		b43_phy_set(dev, B43_PHY_OFDM(0x3E), 0x4);
M
Michael Buesch 已提交
2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049
	}
	if (has_loopback_gain(phy))
		b43_calc_loopback_gain(dev);

	if (phy->radio_rev != 8) {
		if (gphy->initval == 0xFFFF)
			gphy->initval = b43_radio_init2050(dev);
		else
			b43_radio_write16(dev, 0x0078, gphy->initval);
	}
	b43_lo_g_init(dev);
	if (has_tx_magnification(phy)) {
		b43_radio_write16(dev, 0x52,
				  (b43_radio_read16(dev, 0x52) & 0xFF00)
				  | gphy->lo_control->tx_bias | gphy->
				  lo_control->tx_magn);
	} else {
2050
		b43_radio_maskset(dev, 0x52, 0xFFF0, gphy->lo_control->tx_bias);
M
Michael Buesch 已提交
2051 2052
	}
	if (phy->rev >= 6) {
2053
		b43_phy_maskset(dev, B43_PHY_CCK(0x36), 0x0FFF, (gphy->lo_control->tx_bias << 12));
M
Michael Buesch 已提交
2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091
	}
	if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL)
		b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x8075);
	else
		b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x807F);
	if (phy->rev < 2)
		b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x101);
	else
		b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x202);
	if (phy->gmode || phy->rev >= 2) {
		b43_lo_g_adjust(dev);
		b43_phy_write(dev, B43_PHY_LO_MASK, 0x8078);
	}

	if (!(dev->dev->bus->sprom.boardflags_lo & B43_BFL_RSSI)) {
		/* The specs state to update the NRSSI LT with
		 * the value 0x7FFFFFFF here. I think that is some weird
		 * compiler optimization in the original driver.
		 * Essentially, what we do here is resetting all NRSSI LT
		 * entries to -32 (see the clamp_val() in nrssi_hw_update())
		 */
		b43_nrssi_hw_update(dev, 0xFFFF);	//FIXME?
		b43_calc_nrssi_threshold(dev);
	} else if (phy->gmode || phy->rev >= 2) {
		if (gphy->nrssi[0] == -1000) {
			B43_WARN_ON(gphy->nrssi[1] != -1000);
			b43_calc_nrssi_slope(dev);
		} else
			b43_calc_nrssi_threshold(dev);
	}
	if (phy->radio_rev == 8)
		b43_phy_write(dev, B43_PHY_EXTG(0x05), 0x3230);
	b43_phy_init_pctl(dev);
	/* FIXME: The spec says in the following if, the 0 should be replaced
	   'if OFDM may not be used in the current locale'
	   but OFDM is legal everywhere */
	if ((dev->dev->bus->chip_id == 0x4306
	     && dev->dev->bus->chip_package == 2) || 0) {
2092 2093
		b43_phy_mask(dev, B43_PHY_CRS0, 0xBFFF);
		b43_phy_mask(dev, B43_PHY_OFDM(0xC3), 0x7FFF);
M
Michael Buesch 已提交
2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294
	}
}

void b43_gphy_channel_switch(struct b43_wldev *dev,
			     unsigned int channel,
			     bool synthetic_pu_workaround)
{
	if (synthetic_pu_workaround)
		b43_synth_pu_workaround(dev, channel);

	b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel));

	if (channel == 14) {
		if (dev->dev->bus->sprom.country_code ==
		    SSB_SPROM1CCODE_JAPAN)
			b43_hf_write(dev,
				     b43_hf_read(dev) & ~B43_HF_ACPR);
		else
			b43_hf_write(dev,
				     b43_hf_read(dev) | B43_HF_ACPR);
		b43_write16(dev, B43_MMIO_CHANNEL_EXT,
			    b43_read16(dev, B43_MMIO_CHANNEL_EXT)
			    | (1 << 11));
	} else {
		b43_write16(dev, B43_MMIO_CHANNEL_EXT,
			    b43_read16(dev, B43_MMIO_CHANNEL_EXT)
			    & 0xF7BF);
	}
}

static void default_baseband_attenuation(struct b43_wldev *dev,
					 struct b43_bbatt *bb)
{
	struct b43_phy *phy = &dev->phy;

	if (phy->radio_ver == 0x2050 && phy->radio_rev < 6)
		bb->att = 0;
	else
		bb->att = 2;
}

static void default_radio_attenuation(struct b43_wldev *dev,
				      struct b43_rfatt *rf)
{
	struct ssb_bus *bus = dev->dev->bus;
	struct b43_phy *phy = &dev->phy;

	rf->with_padmix = 0;

	if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM &&
	    bus->boardinfo.type == SSB_BOARD_BCM4309G) {
		if (bus->boardinfo.rev < 0x43) {
			rf->att = 2;
			return;
		} else if (bus->boardinfo.rev < 0x51) {
			rf->att = 3;
			return;
		}
	}

	if (phy->type == B43_PHYTYPE_A) {
		rf->att = 0x60;
		return;
	}

	switch (phy->radio_ver) {
	case 0x2053:
		switch (phy->radio_rev) {
		case 1:
			rf->att = 6;
			return;
		}
		break;
	case 0x2050:
		switch (phy->radio_rev) {
		case 0:
			rf->att = 5;
			return;
		case 1:
			if (phy->type == B43_PHYTYPE_G) {
				if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM
				    && bus->boardinfo.type == SSB_BOARD_BCM4309G
				    && bus->boardinfo.rev >= 30)
					rf->att = 3;
				else if (bus->boardinfo.vendor ==
					 SSB_BOARDVENDOR_BCM
					 && bus->boardinfo.type ==
					 SSB_BOARD_BU4306)
					rf->att = 3;
				else
					rf->att = 1;
			} else {
				if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM
				    && bus->boardinfo.type == SSB_BOARD_BCM4309G
				    && bus->boardinfo.rev >= 30)
					rf->att = 7;
				else
					rf->att = 6;
			}
			return;
		case 2:
			if (phy->type == B43_PHYTYPE_G) {
				if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM
				    && bus->boardinfo.type == SSB_BOARD_BCM4309G
				    && bus->boardinfo.rev >= 30)
					rf->att = 3;
				else if (bus->boardinfo.vendor ==
					 SSB_BOARDVENDOR_BCM
					 && bus->boardinfo.type ==
					 SSB_BOARD_BU4306)
					rf->att = 5;
				else if (bus->chip_id == 0x4320)
					rf->att = 4;
				else
					rf->att = 3;
			} else
				rf->att = 6;
			return;
		case 3:
			rf->att = 5;
			return;
		case 4:
		case 5:
			rf->att = 1;
			return;
		case 6:
		case 7:
			rf->att = 5;
			return;
		case 8:
			rf->att = 0xA;
			rf->with_padmix = 1;
			return;
		case 9:
		default:
			rf->att = 5;
			return;
		}
	}
	rf->att = 5;
}

static u16 default_tx_control(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;

	if (phy->radio_ver != 0x2050)
		return 0;
	if (phy->radio_rev == 1)
		return B43_TXCTL_PA2DB | B43_TXCTL_TXMIX;
	if (phy->radio_rev < 6)
		return B43_TXCTL_PA2DB;
	if (phy->radio_rev == 8)
		return B43_TXCTL_TXMIX;
	return 0;
}

static u8 b43_gphy_aci_detect(struct b43_wldev *dev, u8 channel)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	u8 ret = 0;
	u16 saved, rssi, temp;
	int i, j = 0;

	saved = b43_phy_read(dev, 0x0403);
	b43_switch_channel(dev, channel);
	b43_phy_write(dev, 0x0403, (saved & 0xFFF8) | 5);
	if (gphy->aci_hw_rssi)
		rssi = b43_phy_read(dev, 0x048A) & 0x3F;
	else
		rssi = saved & 0x3F;
	/* clamp temp to signed 5bit */
	if (rssi > 32)
		rssi -= 64;
	for (i = 0; i < 100; i++) {
		temp = (b43_phy_read(dev, 0x047F) >> 8) & 0x3F;
		if (temp > 32)
			temp -= 64;
		if (temp < rssi)
			j++;
		if (j >= 20)
			ret = 1;
	}
	b43_phy_write(dev, 0x0403, saved);

	return ret;
}

static u8 b43_gphy_aci_scan(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	u8 ret[13];
	unsigned int channel = phy->channel;
	unsigned int i, j, start, end;

	if (!((phy->type == B43_PHYTYPE_G) && (phy->rev > 0)))
		return 0;

	b43_phy_lock(dev);
	b43_radio_lock(dev);
2295 2296
	b43_phy_mask(dev, 0x0802, 0xFFFC);
	b43_phy_mask(dev, B43_PHY_G_CRS, 0x7FFF);
M
Michael Buesch 已提交
2297 2298 2299 2300 2301 2302 2303 2304 2305 2306
	b43_set_all_gains(dev, 3, 8, 1);

	start = (channel - 5 > 0) ? channel - 5 : 1;
	end = (channel + 5 < 14) ? channel + 5 : 13;

	for (i = start; i <= end; i++) {
		if (abs(channel - i) > 2)
			ret[i - 1] = b43_gphy_aci_detect(dev, i);
	}
	b43_switch_channel(dev, channel);
2307
	b43_phy_maskset(dev, 0x0802, 0xFFFC, 0x0003);
2308
	b43_phy_mask(dev, 0x0403, 0xFFF8);
2309
	b43_phy_set(dev, B43_PHY_G_CRS, 0x8000);
M
Michael Buesch 已提交
2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352
	b43_set_original_gains(dev);
	for (i = 0; i < 13; i++) {
		if (!ret[i])
			continue;
		end = (i + 5 < 13) ? i + 5 : 13;
		for (j = i; j < end; j++)
			ret[j] = 1;
	}
	b43_radio_unlock(dev);
	b43_phy_unlock(dev);

	return ret[channel - 1];
}

static s32 b43_tssi2dbm_ad(s32 num, s32 den)
{
	if (num < 0)
		return num / den;
	else
		return (num + den / 2) / den;
}

static s8 b43_tssi2dbm_entry(s8 entry[], u8 index,
			     s16 pab0, s16 pab1, s16 pab2)
{
	s32 m1, m2, f = 256, q, delta;
	s8 i = 0;

	m1 = b43_tssi2dbm_ad(16 * pab0 + index * pab1, 32);
	m2 = max(b43_tssi2dbm_ad(32768 + index * pab2, 256), 1);
	do {
		if (i > 15)
			return -EINVAL;
		q = b43_tssi2dbm_ad(f * 4096 -
				    b43_tssi2dbm_ad(m2 * f, 16) * f, 2048);
		delta = abs(q - f);
		f = q;
		i++;
	} while (delta >= 2);
	entry[index] = clamp_val(b43_tssi2dbm_ad(m1 * f, 8192), -127, 128);
	return 0;
}

J
John Daiker 已提交
2353 2354
u8 *b43_generate_dyn_tssi2dbm_tab(struct b43_wldev *dev,
				  s16 pab0, s16 pab1, s16 pab2)
M
Michael Buesch 已提交
2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421
{
	unsigned int i;
	u8 *tab;
	int err;

	tab = kmalloc(64, GFP_KERNEL);
	if (!tab) {
		b43err(dev->wl, "Could not allocate memory "
		       "for tssi2dbm table\n");
		return NULL;
	}
	for (i = 0; i < 64; i++) {
		err = b43_tssi2dbm_entry(tab, i, pab0, pab1, pab2);
		if (err) {
			b43err(dev->wl, "Could not generate "
			       "tssi2dBm table\n");
			kfree(tab);
			return NULL;
		}
	}

	return tab;
}

/* Initialise the TSSI->dBm lookup table */
static int b43_gphy_init_tssi2dbm_table(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	s16 pab0, pab1, pab2;

	pab0 = (s16) (dev->dev->bus->sprom.pa0b0);
	pab1 = (s16) (dev->dev->bus->sprom.pa0b1);
	pab2 = (s16) (dev->dev->bus->sprom.pa0b2);

	B43_WARN_ON((dev->dev->bus->chip_id == 0x4301) &&
		    (phy->radio_ver != 0x2050)); /* Not supported anymore */

	gphy->dyn_tssi_tbl = 0;

	if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
	    pab0 != -1 && pab1 != -1 && pab2 != -1) {
		/* The pabX values are set in SPROM. Use them. */
		if ((s8) dev->dev->bus->sprom.itssi_bg != 0 &&
		    (s8) dev->dev->bus->sprom.itssi_bg != -1) {
			gphy->tgt_idle_tssi =
				(s8) (dev->dev->bus->sprom.itssi_bg);
		} else
			gphy->tgt_idle_tssi = 62;
		gphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0,
							       pab1, pab2);
		if (!gphy->tssi2dbm)
			return -ENOMEM;
		gphy->dyn_tssi_tbl = 1;
	} else {
		/* pabX values not set in SPROM. */
		gphy->tgt_idle_tssi = 52;
		gphy->tssi2dbm = b43_tssi2dbm_g_table;
	}

	return 0;
}

static int b43_gphy_op_allocate(struct b43_wldev *dev)
{
	struct b43_phy_g *gphy;
	struct b43_txpower_lo_control *lo;
M
Michael Buesch 已提交
2422
	int err;
M
Michael Buesch 已提交
2423 2424 2425 2426 2427 2428 2429 2430

	gphy = kzalloc(sizeof(*gphy), GFP_KERNEL);
	if (!gphy) {
		err = -ENOMEM;
		goto error;
	}
	dev->phy.g = gphy;

M
Michael Buesch 已提交
2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475
	lo = kzalloc(sizeof(*lo), GFP_KERNEL);
	if (!lo) {
		err = -ENOMEM;
		goto err_free_gphy;
	}
	gphy->lo_control = lo;

	err = b43_gphy_init_tssi2dbm_table(dev);
	if (err)
		goto err_free_lo;

	return 0;

err_free_lo:
	kfree(lo);
err_free_gphy:
	kfree(gphy);
error:
	return err;
}

static void b43_gphy_op_prepare_structs(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	const void *tssi2dbm;
	int tgt_idle_tssi;
	struct b43_txpower_lo_control *lo;
	unsigned int i;

	/* tssi2dbm table is constant, so it is initialized at alloc time.
	 * Save a copy of the pointer. */
	tssi2dbm = gphy->tssi2dbm;
	tgt_idle_tssi = gphy->tgt_idle_tssi;
	/* Save the LO pointer. */
	lo = gphy->lo_control;

	/* Zero out the whole PHY structure. */
	memset(gphy, 0, sizeof(*gphy));

	/* Restore pointers. */
	gphy->tssi2dbm = tssi2dbm;
	gphy->tgt_idle_tssi = tgt_idle_tssi;
	gphy->lo_control = lo;

M
Michael Buesch 已提交
2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491
	memset(gphy->minlowsig, 0xFF, sizeof(gphy->minlowsig));

	/* NRSSI */
	for (i = 0; i < ARRAY_SIZE(gphy->nrssi); i++)
		gphy->nrssi[i] = -1000;
	for (i = 0; i < ARRAY_SIZE(gphy->nrssi_lt); i++)
		gphy->nrssi_lt[i] = i;

	gphy->lofcal = 0xFFFF;
	gphy->initval = 0xFFFF;

	gphy->interfmode = B43_INTERFMODE_NONE;

	/* OFDM-table address caching. */
	gphy->ofdmtab_addr_direction = B43_OFDMTAB_DIRECTION_UNKNOWN;

2492
	gphy->average_tssi = 0xFF;
M
Michael Buesch 已提交
2493

M
Michael Buesch 已提交
2494
	/* Local Osciallator structure */
M
Michael Buesch 已提交
2495 2496
	lo->tx_bias = 0xFF;
	INIT_LIST_HEAD(&lo->calib_list);
M
Michael Buesch 已提交
2497
}
M
Michael Buesch 已提交
2498

M
Michael Buesch 已提交
2499 2500 2501 2502
static void b43_gphy_op_free(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
M
Michael Buesch 已提交
2503

M
Michael Buesch 已提交
2504 2505 2506 2507 2508 2509
	kfree(gphy->lo_control);

	if (gphy->dyn_tssi_tbl)
		kfree(gphy->tssi2dbm);
	gphy->dyn_tssi_tbl = 0;
	gphy->tssi2dbm = NULL;
M
Michael Buesch 已提交
2510 2511

	kfree(gphy);
M
Michael Buesch 已提交
2512
	dev->phy.g = NULL;
M
Michael Buesch 已提交
2513 2514
}

M
Michael Buesch 已提交
2515
static int b43_gphy_op_prepare_hardware(struct b43_wldev *dev)
M
Michael Buesch 已提交
2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	struct b43_txpower_lo_control *lo = gphy->lo_control;

	B43_WARN_ON(phy->type != B43_PHYTYPE_G);

	default_baseband_attenuation(dev, &gphy->bbatt);
	default_radio_attenuation(dev, &gphy->rfatt);
	gphy->tx_control = (default_tx_control(dev) << 4);
	generate_rfatt_list(dev, &lo->rfatt_list);
	generate_bbatt_list(dev, &lo->bbatt_list);

	/* Commit previous writes */
	b43_read32(dev, B43_MMIO_MACCTL);

	if (phy->rev == 1) {
		/* Workaround: Temporarly disable gmode through the early init
		 * phase, as the gmode stuff is not needed for phy rev 1 */
		phy->gmode = 0;
		b43_wireless_core_reset(dev, 0);
		b43_phy_initg(dev);
		phy->gmode = 1;
		b43_wireless_core_reset(dev, B43_TMSLOW_GMODE);
	}

	return 0;
}

static int b43_gphy_op_init(struct b43_wldev *dev)
{
	b43_phy_initg(dev);

	return 0;
}

static void b43_gphy_op_exit(struct b43_wldev *dev)
{
	b43_lo_g_cleanup(dev);
}

static u16 b43_gphy_op_read(struct b43_wldev *dev, u16 reg)
{
	b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
	return b43_read16(dev, B43_MMIO_PHY_DATA);
}

static void b43_gphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
{
	b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
	b43_write16(dev, B43_MMIO_PHY_DATA, value);
}

static u16 b43_gphy_op_radio_read(struct b43_wldev *dev, u16 reg)
{
	/* Register 1 is a 32-bit register. */
	B43_WARN_ON(reg == 1);
	/* G-PHY needs 0x80 for read access. */
	reg |= 0x80;

	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
	return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
}

static void b43_gphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
{
	/* Register 1 is a 32-bit register. */
	B43_WARN_ON(reg == 1);

	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
	b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
}

static bool b43_gphy_op_supports_hwpctl(struct b43_wldev *dev)
{
	return (dev->phy.rev >= 6);
}

static void b43_gphy_op_software_rfkill(struct b43_wldev *dev,
J
Johannes Berg 已提交
2595
					bool blocked)
M
Michael Buesch 已提交
2596 2597 2598 2599 2600 2601 2602
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	unsigned int channel;

	might_sleep();

J
Johannes Berg 已提交
2603
	if (!blocked) {
M
Michael Buesch 已提交
2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827
		/* Turn radio ON */
		if (phy->radio_on)
			return;

		b43_phy_write(dev, 0x0015, 0x8000);
		b43_phy_write(dev, 0x0015, 0xCC00);
		b43_phy_write(dev, 0x0015, (phy->gmode ? 0x00C0 : 0x0000));
		if (gphy->radio_off_context.valid) {
			/* Restore the RFover values. */
			b43_phy_write(dev, B43_PHY_RFOVER,
				      gphy->radio_off_context.rfover);
			b43_phy_write(dev, B43_PHY_RFOVERVAL,
				      gphy->radio_off_context.rfoverval);
			gphy->radio_off_context.valid = 0;
		}
		channel = phy->channel;
		b43_gphy_channel_switch(dev, 6, 1);
		b43_gphy_channel_switch(dev, channel, 0);
	} else {
		/* Turn radio OFF */
		u16 rfover, rfoverval;

		rfover = b43_phy_read(dev, B43_PHY_RFOVER);
		rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL);
		gphy->radio_off_context.rfover = rfover;
		gphy->radio_off_context.rfoverval = rfoverval;
		gphy->radio_off_context.valid = 1;
		b43_phy_write(dev, B43_PHY_RFOVER, rfover | 0x008C);
		b43_phy_write(dev, B43_PHY_RFOVERVAL, rfoverval & 0xFF73);
	}
}

static int b43_gphy_op_switch_channel(struct b43_wldev *dev,
				      unsigned int new_channel)
{
	if ((new_channel < 1) || (new_channel > 14))
		return -EINVAL;
	b43_gphy_channel_switch(dev, new_channel, 0);

	return 0;
}

static unsigned int b43_gphy_op_get_default_chan(struct b43_wldev *dev)
{
	return 1; /* Default to channel 1 */
}

static void b43_gphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
{
	struct b43_phy *phy = &dev->phy;
	u64 hf;
	u16 tmp;
	int autodiv = 0;

	if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1)
		autodiv = 1;

	hf = b43_hf_read(dev);
	hf &= ~B43_HF_ANTDIVHELP;
	b43_hf_write(dev, hf);

	tmp = b43_phy_read(dev, B43_PHY_BBANDCFG);
	tmp &= ~B43_PHY_BBANDCFG_RXANT;
	tmp |= (autodiv ? B43_ANTENNA_AUTO0 : antenna)
			<< B43_PHY_BBANDCFG_RXANT_SHIFT;
	b43_phy_write(dev, B43_PHY_BBANDCFG, tmp);

	if (autodiv) {
		tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
		if (antenna == B43_ANTENNA_AUTO0)
			tmp &= ~B43_PHY_ANTDWELL_AUTODIV1;
		else
			tmp |= B43_PHY_ANTDWELL_AUTODIV1;
		b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
	}
	tmp = b43_phy_read(dev, B43_PHY_ANTWRSETT);
	if (autodiv)
		tmp |= B43_PHY_ANTWRSETT_ARXDIV;
	else
		tmp &= ~B43_PHY_ANTWRSETT_ARXDIV;
	b43_phy_write(dev, B43_PHY_ANTWRSETT, tmp);
	if (phy->rev >= 2) {
		tmp = b43_phy_read(dev, B43_PHY_OFDM61);
		tmp |= B43_PHY_OFDM61_10;
		b43_phy_write(dev, B43_PHY_OFDM61, tmp);

		tmp =
		    b43_phy_read(dev, B43_PHY_DIVSRCHGAINBACK);
		tmp = (tmp & 0xFF00) | 0x15;
		b43_phy_write(dev, B43_PHY_DIVSRCHGAINBACK,
			      tmp);

		if (phy->rev == 2) {
			b43_phy_write(dev, B43_PHY_ADIVRELATED,
				      8);
		} else {
			tmp =
			    b43_phy_read(dev,
					 B43_PHY_ADIVRELATED);
			tmp = (tmp & 0xFF00) | 8;
			b43_phy_write(dev, B43_PHY_ADIVRELATED,
				      tmp);
		}
	}
	if (phy->rev >= 6)
		b43_phy_write(dev, B43_PHY_OFDM9B, 0xDC);

	hf |= B43_HF_ANTDIVHELP;
	b43_hf_write(dev, hf);
}

static int b43_gphy_op_interf_mitigation(struct b43_wldev *dev,
					 enum b43_interference_mitigation mode)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	int currentmode;

	B43_WARN_ON(phy->type != B43_PHYTYPE_G);
	if ((phy->rev == 0) || (!phy->gmode))
		return -ENODEV;

	gphy->aci_wlan_automatic = 0;
	switch (mode) {
	case B43_INTERFMODE_AUTOWLAN:
		gphy->aci_wlan_automatic = 1;
		if (gphy->aci_enable)
			mode = B43_INTERFMODE_MANUALWLAN;
		else
			mode = B43_INTERFMODE_NONE;
		break;
	case B43_INTERFMODE_NONE:
	case B43_INTERFMODE_NONWLAN:
	case B43_INTERFMODE_MANUALWLAN:
		break;
	default:
		return -EINVAL;
	}

	currentmode = gphy->interfmode;
	if (currentmode == mode)
		return 0;
	if (currentmode != B43_INTERFMODE_NONE)
		b43_radio_interference_mitigation_disable(dev, currentmode);

	if (mode == B43_INTERFMODE_NONE) {
		gphy->aci_enable = 0;
		gphy->aci_hw_rssi = 0;
	} else
		b43_radio_interference_mitigation_enable(dev, mode);
	gphy->interfmode = mode;

	return 0;
}

/* http://bcm-specs.sipsolutions.net/EstimatePowerOut
 * This function converts a TSSI value to dBm in Q5.2
 */
static s8 b43_gphy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
{
	struct b43_phy_g *gphy = dev->phy.g;
	s8 dbm;
	s32 tmp;

	tmp = (gphy->tgt_idle_tssi - gphy->cur_idle_tssi + tssi);
	tmp = clamp_val(tmp, 0x00, 0x3F);
	dbm = gphy->tssi2dbm[tmp];

	return dbm;
}

static void b43_put_attenuation_into_ranges(struct b43_wldev *dev,
					    int *_bbatt, int *_rfatt)
{
	int rfatt = *_rfatt;
	int bbatt = *_bbatt;
	struct b43_txpower_lo_control *lo = dev->phy.g->lo_control;

	/* Get baseband and radio attenuation values into their permitted ranges.
	 * Radio attenuation affects power level 4 times as much as baseband. */

	/* Range constants */
	const int rf_min = lo->rfatt_list.min_val;
	const int rf_max = lo->rfatt_list.max_val;
	const int bb_min = lo->bbatt_list.min_val;
	const int bb_max = lo->bbatt_list.max_val;

	while (1) {
		if (rfatt > rf_max && bbatt > bb_max - 4)
			break;	/* Can not get it into ranges */
		if (rfatt < rf_min && bbatt < bb_min + 4)
			break;	/* Can not get it into ranges */
		if (bbatt > bb_max && rfatt > rf_max - 1)
			break;	/* Can not get it into ranges */
		if (bbatt < bb_min && rfatt < rf_min + 1)
			break;	/* Can not get it into ranges */

		if (bbatt > bb_max) {
			bbatt -= 4;
			rfatt += 1;
			continue;
		}
		if (bbatt < bb_min) {
			bbatt += 4;
			rfatt -= 1;
			continue;
		}
		if (rfatt > rf_max) {
			rfatt -= 1;
			bbatt += 4;
			continue;
		}
		if (rfatt < rf_min) {
			rfatt += 1;
			bbatt -= 4;
			continue;
		}
		break;
	}

	*_rfatt = clamp_val(rfatt, rf_min, rf_max);
	*_bbatt = clamp_val(bbatt, bb_min, bb_max);
}

2828
static void b43_gphy_op_adjust_txpower(struct b43_wldev *dev)
M
Michael Buesch 已提交
2829 2830 2831 2832 2833 2834
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	int rfatt, bbatt;
	u8 tx_control;

M
Michael Buesch 已提交
2835 2836
	b43_mac_suspend(dev);

2837
	spin_lock_irq(&dev->wl->irq_lock);
M
Michael Buesch 已提交
2838 2839 2840

	/* Calculate the new attenuation values. */
	bbatt = gphy->bbatt.att;
2841
	bbatt += gphy->bbatt_delta;
M
Michael Buesch 已提交
2842
	rfatt = gphy->rfatt.att;
2843
	rfatt += gphy->rfatt_delta;
M
Michael Buesch 已提交
2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877

	b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
	tx_control = gphy->tx_control;
	if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 2)) {
		if (rfatt <= 1) {
			if (tx_control == 0) {
				tx_control =
				    B43_TXCTL_PA2DB |
				    B43_TXCTL_TXMIX;
				rfatt += 2;
				bbatt += 2;
			} else if (dev->dev->bus->sprom.
				   boardflags_lo &
				   B43_BFL_PACTRL) {
				bbatt += 4 * (rfatt - 2);
				rfatt = 2;
			}
		} else if (rfatt > 4 && tx_control) {
			tx_control = 0;
			if (bbatt < 3) {
				rfatt -= 3;
				bbatt += 2;
			} else {
				rfatt -= 2;
				bbatt -= 2;
			}
		}
	}
	/* Save the control values */
	gphy->tx_control = tx_control;
	b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
	gphy->rfatt.att = rfatt;
	gphy->bbatt.att = bbatt;

2878 2879 2880 2881 2882 2883 2884 2885
	/* We drop the lock early, so we can sleep during hardware
	 * adjustment. Possible races with op_recalc_txpower are harmless,
	 * as we will be called once again in case we raced. */
	spin_unlock_irq(&dev->wl->irq_lock);

	if (b43_debug(dev, B43_DBG_XMITPOWER))
		b43dbg(dev->wl, "Adjusting TX power\n");

M
Michael Buesch 已提交
2886 2887 2888 2889 2890 2891 2892
	/* Adjust the hardware */
	b43_phy_lock(dev);
	b43_radio_lock(dev);
	b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt,
			  gphy->tx_control);
	b43_radio_unlock(dev);
	b43_phy_unlock(dev);
M
Michael Buesch 已提交
2893 2894

	b43_mac_enable(dev);
M
Michael Buesch 已提交
2895 2896
}

2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978
static enum b43_txpwr_result b43_gphy_op_recalc_txpower(struct b43_wldev *dev,
							bool ignore_tssi)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;
	unsigned int average_tssi;
	int cck_result, ofdm_result;
	int estimated_pwr, desired_pwr, pwr_adjust;
	int rfatt_delta, bbatt_delta;
	unsigned int max_pwr;

	/* First get the average TSSI */
	cck_result = b43_phy_shm_tssi_read(dev, B43_SHM_SH_TSSI_CCK);
	ofdm_result = b43_phy_shm_tssi_read(dev, B43_SHM_SH_TSSI_OFDM_G);
	if ((cck_result < 0) && (ofdm_result < 0)) {
		/* No TSSI information available */
		if (!ignore_tssi)
			goto no_adjustment_needed;
		cck_result = 0;
		ofdm_result = 0;
	}
	if (cck_result < 0)
		average_tssi = ofdm_result;
	else if (ofdm_result < 0)
		average_tssi = cck_result;
	else
		average_tssi = (cck_result + ofdm_result) / 2;
	/* Merge the average with the stored value. */
	if (likely(gphy->average_tssi != 0xFF))
		average_tssi = (average_tssi + gphy->average_tssi) / 2;
	gphy->average_tssi = average_tssi;
	B43_WARN_ON(average_tssi >= B43_TSSI_MAX);

	/* Estimate the TX power emission based on the TSSI */
	estimated_pwr = b43_gphy_estimate_power_out(dev, average_tssi);

	B43_WARN_ON(phy->type != B43_PHYTYPE_G);
	max_pwr = dev->dev->bus->sprom.maxpwr_bg;
	if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL)
		max_pwr -= 3; /* minus 0.75 */
	if (unlikely(max_pwr >= INT_TO_Q52(30/*dBm*/))) {
		b43warn(dev->wl,
			"Invalid max-TX-power value in SPROM.\n");
		max_pwr = INT_TO_Q52(20); /* fake it */
		dev->dev->bus->sprom.maxpwr_bg = max_pwr;
	}

	/* Get desired power (in Q5.2) */
	if (phy->desired_txpower < 0)
		desired_pwr = INT_TO_Q52(0);
	else
		desired_pwr = INT_TO_Q52(phy->desired_txpower);
	/* And limit it. max_pwr already is Q5.2 */
	desired_pwr = clamp_val(desired_pwr, 0, max_pwr);
	if (b43_debug(dev, B43_DBG_XMITPOWER)) {
		b43dbg(dev->wl,
		       "[TX power]  current = " Q52_FMT
		       " dBm,  desired = " Q52_FMT
		       " dBm,  max = " Q52_FMT "\n",
		       Q52_ARG(estimated_pwr),
		       Q52_ARG(desired_pwr),
		       Q52_ARG(max_pwr));
	}

	/* Calculate the adjustment delta. */
	pwr_adjust = desired_pwr - estimated_pwr;
	if (pwr_adjust == 0)
		goto no_adjustment_needed;

	/* RF attenuation delta. */
	rfatt_delta = ((pwr_adjust + 7) / 8);
	/* Lower attenuation => Bigger power output. Negate it. */
	rfatt_delta = -rfatt_delta;

	/* Baseband attenuation delta. */
	bbatt_delta = pwr_adjust / 2;
	/* Lower attenuation => Bigger power output. Negate it. */
	bbatt_delta = -bbatt_delta;
	/* RF att affects power level 4 times as much as
	 * Baseband attennuation. Subtract it. */
	bbatt_delta -= 4 * rfatt_delta;

2979
#if B43_DEBUG
2980 2981 2982 2983 2984 2985 2986 2987
	if (b43_debug(dev, B43_DBG_XMITPOWER)) {
		int dbm = pwr_adjust < 0 ? -pwr_adjust : pwr_adjust;
		b43dbg(dev->wl,
		       "[TX power deltas]  %s" Q52_FMT " dBm   =>   "
		       "bbatt-delta = %d,  rfatt-delta = %d\n",
		       (pwr_adjust < 0 ? "-" : ""), Q52_ARG(dbm),
		       bbatt_delta, rfatt_delta);
	}
2988 2989
#endif /* DEBUG */

2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004
	/* So do we finally need to adjust something in hardware? */
	if ((rfatt_delta == 0) && (bbatt_delta == 0))
		goto no_adjustment_needed;

	/* Save the deltas for later when we adjust the power. */
	gphy->bbatt_delta = bbatt_delta;
	gphy->rfatt_delta = rfatt_delta;

	/* We need to adjust the TX power on the device. */
	return B43_TXPWR_RES_NEED_ADJUST;

no_adjustment_needed:
	return B43_TXPWR_RES_DONE;
}

M
Michael Buesch 已提交
3005 3006 3007 3008 3009
static void b43_gphy_op_pwork_15sec(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_g *gphy = phy->g;

M
Michael Buesch 已提交
3010
	b43_mac_suspend(dev);
M
Michael Buesch 已提交
3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026
	//TODO: update_aci_moving_average
	if (gphy->aci_enable && gphy->aci_wlan_automatic) {
		if (!gphy->aci_enable && 1 /*TODO: not scanning? */ ) {
			if (0 /*TODO: bunch of conditions */ ) {
				phy->ops->interf_mitigation(dev,
					B43_INTERFMODE_MANUALWLAN);
			}
		} else if (0 /*TODO*/) {
			   if (/*(aci_average > 1000) &&*/ !b43_gphy_aci_scan(dev))
				phy->ops->interf_mitigation(dev, B43_INTERFMODE_NONE);
		}
	} else if (gphy->interfmode == B43_INTERFMODE_NONWLAN &&
		   phy->rev == 1) {
		//TODO: implement rev1 workaround
	}
	b43_lo_g_maintanance_work(dev);
M
Michael Buesch 已提交
3027
	b43_mac_enable(dev);
M
Michael Buesch 已提交
3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053
}

static void b43_gphy_op_pwork_60sec(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;

	if (!(dev->dev->bus->sprom.boardflags_lo & B43_BFL_RSSI))
		return;

	b43_mac_suspend(dev);
	b43_calc_nrssi_slope(dev);
	if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 8)) {
		u8 old_chan = phy->channel;

		/* VCO Calibration */
		if (old_chan >= 8)
			b43_switch_channel(dev, 1);
		else
			b43_switch_channel(dev, 13);
		b43_switch_channel(dev, old_chan);
	}
	b43_mac_enable(dev);
}

const struct b43_phy_operations b43_phyops_g = {
	.allocate		= b43_gphy_op_allocate,
M
Michael Buesch 已提交
3054 3055 3056
	.free			= b43_gphy_op_free,
	.prepare_structs	= b43_gphy_op_prepare_structs,
	.prepare_hardware	= b43_gphy_op_prepare_hardware,
M
Michael Buesch 已提交
3057 3058 3059 3060 3061 3062 3063 3064
	.init			= b43_gphy_op_init,
	.exit			= b43_gphy_op_exit,
	.phy_read		= b43_gphy_op_read,
	.phy_write		= b43_gphy_op_write,
	.radio_read		= b43_gphy_op_radio_read,
	.radio_write		= b43_gphy_op_radio_write,
	.supports_hwpctl	= b43_gphy_op_supports_hwpctl,
	.software_rfkill	= b43_gphy_op_software_rfkill,
3065
	.switch_analog		= b43_phyop_switch_analog_generic,
M
Michael Buesch 已提交
3066 3067 3068 3069
	.switch_channel		= b43_gphy_op_switch_channel,
	.get_default_chan	= b43_gphy_op_get_default_chan,
	.set_rx_antenna		= b43_gphy_op_set_rx_antenna,
	.interf_mitigation	= b43_gphy_op_interf_mitigation,
3070 3071
	.recalc_txpower		= b43_gphy_op_recalc_txpower,
	.adjust_txpower		= b43_gphy_op_adjust_txpower,
M
Michael Buesch 已提交
3072 3073 3074
	.pwork_15sec		= b43_gphy_op_pwork_15sec,
	.pwork_60sec		= b43_gphy_op_pwork_60sec,
};