Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1 | /* |
| 2 | |
| 3 | Broadcom B43 wireless driver |
| 4 | |
| 5 | Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, |
| 6 | Copyright (c) 2005, 2006 Stefano Brivio <st3@riseup.net> |
| 7 | Copyright (c) 2005, 2006 Michael Buesch <mb@bu3sch.de> |
| 8 | Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org> |
| 9 | Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch> |
| 10 | |
| 11 | This program is free software; you can redistribute it and/or modify |
| 12 | it under the terms of the GNU General Public License as published by |
| 13 | the Free Software Foundation; either version 2 of the License, or |
| 14 | (at your option) any later version. |
| 15 | |
| 16 | This program is distributed in the hope that it will be useful, |
| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | GNU General Public License for more details. |
| 20 | |
| 21 | You should have received a copy of the GNU General Public License |
| 22 | along with this program; see the file COPYING. If not, write to |
| 23 | the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, |
| 24 | Boston, MA 02110-1301, USA. |
| 25 | |
| 26 | */ |
| 27 | |
| 28 | #include <linux/delay.h> |
| 29 | #include <linux/types.h> |
| 30 | |
| 31 | #include "b43.h" |
| 32 | #include "phy.h" |
| 33 | #include "main.h" |
| 34 | #include "tables.h" |
| 35 | #include "lo.h" |
| 36 | |
| 37 | static const s8 b43_tssi2dbm_b_table[] = { |
| 38 | 0x4D, 0x4C, 0x4B, 0x4A, |
| 39 | 0x4A, 0x49, 0x48, 0x47, |
| 40 | 0x47, 0x46, 0x45, 0x45, |
| 41 | 0x44, 0x43, 0x42, 0x42, |
| 42 | 0x41, 0x40, 0x3F, 0x3E, |
| 43 | 0x3D, 0x3C, 0x3B, 0x3A, |
| 44 | 0x39, 0x38, 0x37, 0x36, |
| 45 | 0x35, 0x34, 0x32, 0x31, |
| 46 | 0x30, 0x2F, 0x2D, 0x2C, |
| 47 | 0x2B, 0x29, 0x28, 0x26, |
| 48 | 0x25, 0x23, 0x21, 0x1F, |
| 49 | 0x1D, 0x1A, 0x17, 0x14, |
| 50 | 0x10, 0x0C, 0x06, 0x00, |
| 51 | -7, -7, -7, -7, |
| 52 | -7, -7, -7, -7, |
| 53 | -7, -7, -7, -7, |
| 54 | }; |
| 55 | |
| 56 | static const s8 b43_tssi2dbm_g_table[] = { |
| 57 | 77, 77, 77, 76, |
| 58 | 76, 76, 75, 75, |
| 59 | 74, 74, 73, 73, |
| 60 | 73, 72, 72, 71, |
| 61 | 71, 70, 70, 69, |
| 62 | 68, 68, 67, 67, |
| 63 | 66, 65, 65, 64, |
| 64 | 63, 63, 62, 61, |
| 65 | 60, 59, 58, 57, |
| 66 | 56, 55, 54, 53, |
| 67 | 52, 50, 49, 47, |
| 68 | 45, 43, 40, 37, |
| 69 | 33, 28, 22, 14, |
| 70 | 5, -7, -20, -20, |
| 71 | -20, -20, -20, -20, |
| 72 | -20, -20, -20, -20, |
| 73 | }; |
| 74 | |
| 75 | const u8 b43_radio_channel_codes_bg[] = { |
| 76 | 12, 17, 22, 27, |
| 77 | 32, 37, 42, 47, |
| 78 | 52, 57, 62, 67, |
| 79 | 72, 84, |
| 80 | }; |
| 81 | |
| 82 | static void b43_phy_initg(struct b43_wldev *dev); |
| 83 | |
| 84 | /* Reverse the bits of a 4bit value. |
| 85 | * Example: 1101 is flipped 1011 |
| 86 | */ |
| 87 | static u16 flip_4bit(u16 value) |
| 88 | { |
| 89 | u16 flipped = 0x0000; |
| 90 | |
| 91 | B43_WARN_ON(value & ~0x000F); |
| 92 | |
| 93 | flipped |= (value & 0x0001) << 3; |
| 94 | flipped |= (value & 0x0002) << 1; |
| 95 | flipped |= (value & 0x0004) >> 1; |
| 96 | flipped |= (value & 0x0008) >> 3; |
| 97 | |
| 98 | return flipped; |
| 99 | } |
| 100 | |
| 101 | static void generate_rfatt_list(struct b43_wldev *dev, |
| 102 | struct b43_rfatt_list *list) |
| 103 | { |
| 104 | struct b43_phy *phy = &dev->phy; |
| 105 | |
| 106 | /* APHY.rev < 5 || GPHY.rev < 6 */ |
| 107 | static const struct b43_rfatt rfatt_0[] = { |
| 108 | {.att = 3,.with_padmix = 0,}, |
| 109 | {.att = 1,.with_padmix = 0,}, |
| 110 | {.att = 5,.with_padmix = 0,}, |
| 111 | {.att = 7,.with_padmix = 0,}, |
| 112 | {.att = 9,.with_padmix = 0,}, |
| 113 | {.att = 2,.with_padmix = 0,}, |
| 114 | {.att = 0,.with_padmix = 0,}, |
| 115 | {.att = 4,.with_padmix = 0,}, |
| 116 | {.att = 6,.with_padmix = 0,}, |
| 117 | {.att = 8,.with_padmix = 0,}, |
| 118 | {.att = 1,.with_padmix = 1,}, |
| 119 | {.att = 2,.with_padmix = 1,}, |
| 120 | {.att = 3,.with_padmix = 1,}, |
| 121 | {.att = 4,.with_padmix = 1,}, |
| 122 | }; |
| 123 | /* Radio.rev == 8 && Radio.version == 0x2050 */ |
| 124 | static const struct b43_rfatt rfatt_1[] = { |
| 125 | {.att = 2,.with_padmix = 1,}, |
| 126 | {.att = 4,.with_padmix = 1,}, |
| 127 | {.att = 6,.with_padmix = 1,}, |
| 128 | {.att = 8,.with_padmix = 1,}, |
| 129 | {.att = 10,.with_padmix = 1,}, |
| 130 | {.att = 12,.with_padmix = 1,}, |
| 131 | {.att = 14,.with_padmix = 1,}, |
| 132 | }; |
| 133 | /* Otherwise */ |
| 134 | static const struct b43_rfatt rfatt_2[] = { |
| 135 | {.att = 0,.with_padmix = 1,}, |
| 136 | {.att = 2,.with_padmix = 1,}, |
| 137 | {.att = 4,.with_padmix = 1,}, |
| 138 | {.att = 6,.with_padmix = 1,}, |
| 139 | {.att = 8,.with_padmix = 1,}, |
| 140 | {.att = 9,.with_padmix = 1,}, |
| 141 | {.att = 9,.with_padmix = 1,}, |
| 142 | }; |
| 143 | |
| 144 | if ((phy->type == B43_PHYTYPE_A && phy->rev < 5) || |
| 145 | (phy->type == B43_PHYTYPE_G && phy->rev < 6)) { |
| 146 | /* Software pctl */ |
| 147 | list->list = rfatt_0; |
| 148 | list->len = ARRAY_SIZE(rfatt_0); |
| 149 | list->min_val = 0; |
| 150 | list->max_val = 9; |
| 151 | return; |
| 152 | } |
| 153 | if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) { |
| 154 | /* Hardware pctl */ |
| 155 | list->list = rfatt_1; |
| 156 | list->len = ARRAY_SIZE(rfatt_1); |
| 157 | list->min_val = 2; |
| 158 | list->max_val = 14; |
| 159 | return; |
| 160 | } |
| 161 | /* Hardware pctl */ |
| 162 | list->list = rfatt_2; |
| 163 | list->len = ARRAY_SIZE(rfatt_2); |
| 164 | list->min_val = 0; |
| 165 | list->max_val = 9; |
| 166 | } |
| 167 | |
| 168 | static void generate_bbatt_list(struct b43_wldev *dev, |
| 169 | struct b43_bbatt_list *list) |
| 170 | { |
| 171 | static const struct b43_bbatt bbatt_0[] = { |
| 172 | {.att = 0,}, |
| 173 | {.att = 1,}, |
| 174 | {.att = 2,}, |
| 175 | {.att = 3,}, |
| 176 | {.att = 4,}, |
| 177 | {.att = 5,}, |
| 178 | {.att = 6,}, |
| 179 | {.att = 7,}, |
| 180 | {.att = 8,}, |
| 181 | }; |
| 182 | |
| 183 | list->list = bbatt_0; |
| 184 | list->len = ARRAY_SIZE(bbatt_0); |
| 185 | list->min_val = 0; |
| 186 | list->max_val = 8; |
| 187 | } |
| 188 | |
| 189 | bool b43_has_hardware_pctl(struct b43_phy *phy) |
| 190 | { |
| 191 | if (!phy->hardware_power_control) |
| 192 | return 0; |
| 193 | switch (phy->type) { |
| 194 | case B43_PHYTYPE_A: |
| 195 | if (phy->rev >= 5) |
| 196 | return 1; |
| 197 | break; |
| 198 | case B43_PHYTYPE_G: |
| 199 | if (phy->rev >= 6) |
| 200 | return 1; |
| 201 | break; |
| 202 | default: |
| 203 | B43_WARN_ON(1); |
| 204 | } |
| 205 | return 0; |
| 206 | } |
| 207 | |
| 208 | static void b43_shm_clear_tssi(struct b43_wldev *dev) |
| 209 | { |
| 210 | struct b43_phy *phy = &dev->phy; |
| 211 | |
| 212 | switch (phy->type) { |
| 213 | case B43_PHYTYPE_A: |
| 214 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0068, 0x7F7F); |
| 215 | b43_shm_write16(dev, B43_SHM_SHARED, 0x006a, 0x7F7F); |
| 216 | break; |
| 217 | case B43_PHYTYPE_B: |
| 218 | case B43_PHYTYPE_G: |
| 219 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0058, 0x7F7F); |
| 220 | b43_shm_write16(dev, B43_SHM_SHARED, 0x005a, 0x7F7F); |
| 221 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0070, 0x7F7F); |
| 222 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0072, 0x7F7F); |
| 223 | break; |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | void b43_raw_phy_lock(struct b43_wldev *dev) |
| 228 | { |
| 229 | struct b43_phy *phy = &dev->phy; |
| 230 | |
| 231 | B43_WARN_ON(!irqs_disabled()); |
| 232 | |
| 233 | /* We had a check for MACCTL==0 here, but I think that doesn't |
| 234 | * make sense, as MACCTL is never 0 when this is called. |
| 235 | * --mb */ |
| 236 | B43_WARN_ON(b43_read32(dev, B43_MMIO_MACCTL) == 0); |
| 237 | |
| 238 | if (dev->dev->id.revision < 3) { |
| 239 | b43_mac_suspend(dev); |
| 240 | spin_lock(&phy->lock); |
| 241 | } else { |
| 242 | if (!b43_is_mode(dev->wl, IEEE80211_IF_TYPE_AP)) |
| 243 | b43_power_saving_ctl_bits(dev, B43_PS_AWAKE); |
| 244 | } |
| 245 | phy->locked = 1; |
| 246 | } |
| 247 | |
| 248 | void b43_raw_phy_unlock(struct b43_wldev *dev) |
| 249 | { |
| 250 | struct b43_phy *phy = &dev->phy; |
| 251 | |
| 252 | B43_WARN_ON(!irqs_disabled()); |
| 253 | if (dev->dev->id.revision < 3) { |
| 254 | if (phy->locked) { |
| 255 | spin_unlock(&phy->lock); |
| 256 | b43_mac_enable(dev); |
| 257 | } |
| 258 | } else { |
| 259 | if (!b43_is_mode(dev->wl, IEEE80211_IF_TYPE_AP)) |
| 260 | b43_power_saving_ctl_bits(dev, 0); |
| 261 | } |
| 262 | phy->locked = 0; |
| 263 | } |
| 264 | |
| 265 | /* Different PHYs require different register routing flags. |
| 266 | * This adjusts (and does sanity checks on) the routing flags. |
| 267 | */ |
| 268 | static inline u16 adjust_phyreg_for_phytype(struct b43_phy *phy, |
| 269 | u16 offset, struct b43_wldev *dev) |
| 270 | { |
| 271 | if (phy->type == B43_PHYTYPE_A) { |
| 272 | /* OFDM registers are base-registers for the A-PHY. */ |
| 273 | offset &= ~B43_PHYROUTE_OFDM_GPHY; |
| 274 | } |
| 275 | if (offset & B43_PHYROUTE_EXT_GPHY) { |
| 276 | /* Ext-G registers are only available on G-PHYs */ |
| 277 | if (phy->type != B43_PHYTYPE_G) { |
| 278 | b43dbg(dev->wl, "EXT-G PHY access at " |
| 279 | "0x%04X on %u type PHY\n", offset, phy->type); |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | return offset; |
| 284 | } |
| 285 | |
| 286 | u16 b43_phy_read(struct b43_wldev * dev, u16 offset) |
| 287 | { |
| 288 | struct b43_phy *phy = &dev->phy; |
| 289 | |
| 290 | offset = adjust_phyreg_for_phytype(phy, offset, dev); |
| 291 | b43_write16(dev, B43_MMIO_PHY_CONTROL, offset); |
| 292 | return b43_read16(dev, B43_MMIO_PHY_DATA); |
| 293 | } |
| 294 | |
| 295 | void b43_phy_write(struct b43_wldev *dev, u16 offset, u16 val) |
| 296 | { |
| 297 | struct b43_phy *phy = &dev->phy; |
| 298 | |
| 299 | offset = adjust_phyreg_for_phytype(phy, offset, dev); |
| 300 | b43_write16(dev, B43_MMIO_PHY_CONTROL, offset); |
| 301 | mmiowb(); |
| 302 | b43_write16(dev, B43_MMIO_PHY_DATA, val); |
| 303 | } |
| 304 | |
| 305 | static void b43_radio_set_txpower_a(struct b43_wldev *dev, u16 txpower); |
| 306 | |
| 307 | /* Adjust the transmission power output (G-PHY) */ |
| 308 | void b43_set_txpower_g(struct b43_wldev *dev, |
| 309 | const struct b43_bbatt *bbatt, |
| 310 | const struct b43_rfatt *rfatt, u8 tx_control) |
| 311 | { |
| 312 | struct b43_phy *phy = &dev->phy; |
| 313 | struct b43_txpower_lo_control *lo = phy->lo_control; |
| 314 | u16 bb, rf; |
| 315 | u16 tx_bias, tx_magn; |
| 316 | |
| 317 | bb = bbatt->att; |
| 318 | rf = rfatt->att; |
| 319 | tx_bias = lo->tx_bias; |
| 320 | tx_magn = lo->tx_magn; |
| 321 | if (unlikely(tx_bias == 0xFF)) |
| 322 | tx_bias = 0; |
| 323 | |
| 324 | /* Save the values for later */ |
| 325 | phy->tx_control = tx_control; |
| 326 | memcpy(&phy->rfatt, rfatt, sizeof(*rfatt)); |
| 327 | memcpy(&phy->bbatt, bbatt, sizeof(*bbatt)); |
| 328 | |
| 329 | if (b43_debug(dev, B43_DBG_XMITPOWER)) { |
| 330 | b43dbg(dev->wl, "Tuning TX-power to bbatt(%u), " |
| 331 | "rfatt(%u), tx_control(0x%02X), " |
| 332 | "tx_bias(0x%02X), tx_magn(0x%02X)\n", |
| 333 | bb, rf, tx_control, tx_bias, tx_magn); |
| 334 | } |
| 335 | |
| 336 | b43_phy_set_baseband_attenuation(dev, bb); |
| 337 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_RFATT, rf); |
| 338 | if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) { |
| 339 | b43_radio_write16(dev, 0x43, |
| 340 | (rf & 0x000F) | (tx_control & 0x0070)); |
| 341 | } else { |
| 342 | b43_radio_write16(dev, 0x43, (b43_radio_read16(dev, 0x43) |
| 343 | & 0xFFF0) | (rf & 0x000F)); |
| 344 | b43_radio_write16(dev, 0x52, (b43_radio_read16(dev, 0x52) |
| 345 | & ~0x0070) | (tx_control & |
| 346 | 0x0070)); |
| 347 | } |
| 348 | if (has_tx_magnification(phy)) { |
| 349 | b43_radio_write16(dev, 0x52, tx_magn | tx_bias); |
| 350 | } else { |
| 351 | b43_radio_write16(dev, 0x52, (b43_radio_read16(dev, 0x52) |
| 352 | & 0xFFF0) | (tx_bias & 0x000F)); |
| 353 | } |
| 354 | if (phy->type == B43_PHYTYPE_G) |
| 355 | b43_lo_g_adjust(dev); |
| 356 | } |
| 357 | |
| 358 | static void default_baseband_attenuation(struct b43_wldev *dev, |
| 359 | struct b43_bbatt *bb) |
| 360 | { |
| 361 | struct b43_phy *phy = &dev->phy; |
| 362 | |
| 363 | if (phy->radio_ver == 0x2050 && phy->radio_rev < 6) |
| 364 | bb->att = 0; |
| 365 | else |
| 366 | bb->att = 2; |
| 367 | } |
| 368 | |
| 369 | static void default_radio_attenuation(struct b43_wldev *dev, |
| 370 | struct b43_rfatt *rf) |
| 371 | { |
| 372 | struct ssb_bus *bus = dev->dev->bus; |
| 373 | struct b43_phy *phy = &dev->phy; |
| 374 | |
| 375 | rf->with_padmix = 0; |
| 376 | |
| 377 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM && |
| 378 | bus->boardinfo.type == SSB_BOARD_BCM4309G) { |
| 379 | if (bus->boardinfo.rev < 0x43) { |
| 380 | rf->att = 2; |
| 381 | return; |
| 382 | } else if (bus->boardinfo.rev < 0x51) { |
| 383 | rf->att = 3; |
| 384 | return; |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | if (phy->type == B43_PHYTYPE_A) { |
| 389 | rf->att = 0x60; |
| 390 | return; |
| 391 | } |
| 392 | |
| 393 | switch (phy->radio_ver) { |
| 394 | case 0x2053: |
| 395 | switch (phy->radio_rev) { |
| 396 | case 1: |
| 397 | rf->att = 6; |
| 398 | return; |
| 399 | } |
| 400 | break; |
| 401 | case 0x2050: |
| 402 | switch (phy->radio_rev) { |
| 403 | case 0: |
| 404 | rf->att = 5; |
| 405 | return; |
| 406 | case 1: |
| 407 | if (phy->type == B43_PHYTYPE_G) { |
| 408 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM |
| 409 | && bus->boardinfo.type == SSB_BOARD_BCM4309G |
| 410 | && bus->boardinfo.rev >= 30) |
| 411 | rf->att = 3; |
| 412 | else if (bus->boardinfo.vendor == |
| 413 | SSB_BOARDVENDOR_BCM |
| 414 | && bus->boardinfo.type == |
| 415 | SSB_BOARD_BU4306) |
| 416 | rf->att = 3; |
| 417 | else |
| 418 | rf->att = 1; |
| 419 | } else { |
| 420 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM |
| 421 | && bus->boardinfo.type == SSB_BOARD_BCM4309G |
| 422 | && bus->boardinfo.rev >= 30) |
| 423 | rf->att = 7; |
| 424 | else |
| 425 | rf->att = 6; |
| 426 | } |
| 427 | return; |
| 428 | case 2: |
| 429 | if (phy->type == B43_PHYTYPE_G) { |
| 430 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM |
| 431 | && bus->boardinfo.type == SSB_BOARD_BCM4309G |
| 432 | && bus->boardinfo.rev >= 30) |
| 433 | rf->att = 3; |
| 434 | else if (bus->boardinfo.vendor == |
| 435 | SSB_BOARDVENDOR_BCM |
| 436 | && bus->boardinfo.type == |
| 437 | SSB_BOARD_BU4306) |
| 438 | rf->att = 5; |
| 439 | else if (bus->chip_id == 0x4320) |
| 440 | rf->att = 4; |
| 441 | else |
| 442 | rf->att = 3; |
| 443 | } else |
| 444 | rf->att = 6; |
| 445 | return; |
| 446 | case 3: |
| 447 | rf->att = 5; |
| 448 | return; |
| 449 | case 4: |
| 450 | case 5: |
| 451 | rf->att = 1; |
| 452 | return; |
| 453 | case 6: |
| 454 | case 7: |
| 455 | rf->att = 5; |
| 456 | return; |
| 457 | case 8: |
| 458 | rf->att = 0xA; |
| 459 | rf->with_padmix = 1; |
| 460 | return; |
| 461 | case 9: |
| 462 | default: |
| 463 | rf->att = 5; |
| 464 | return; |
| 465 | } |
| 466 | } |
| 467 | rf->att = 5; |
| 468 | } |
| 469 | |
| 470 | static u16 default_tx_control(struct b43_wldev *dev) |
| 471 | { |
| 472 | struct b43_phy *phy = &dev->phy; |
| 473 | |
| 474 | if (phy->radio_ver != 0x2050) |
| 475 | return 0; |
| 476 | if (phy->radio_rev == 1) |
| 477 | return B43_TXCTL_PA2DB | B43_TXCTL_TXMIX; |
| 478 | if (phy->radio_rev < 6) |
| 479 | return B43_TXCTL_PA2DB; |
| 480 | if (phy->radio_rev == 8) |
| 481 | return B43_TXCTL_TXMIX; |
| 482 | return 0; |
| 483 | } |
| 484 | |
| 485 | /* This func is called "PHY calibrate" in the specs... */ |
| 486 | void b43_phy_early_init(struct b43_wldev *dev) |
| 487 | { |
| 488 | struct b43_phy *phy = &dev->phy; |
| 489 | struct b43_txpower_lo_control *lo = phy->lo_control; |
| 490 | |
| 491 | default_baseband_attenuation(dev, &phy->bbatt); |
| 492 | default_radio_attenuation(dev, &phy->rfatt); |
| 493 | phy->tx_control = (default_tx_control(dev) << 4); |
| 494 | |
| 495 | /* Commit previous writes */ |
| 496 | b43_read32(dev, B43_MMIO_MACCTL); |
| 497 | |
| 498 | if (phy->type == B43_PHYTYPE_B || phy->type == B43_PHYTYPE_G) { |
| 499 | generate_rfatt_list(dev, &lo->rfatt_list); |
| 500 | generate_bbatt_list(dev, &lo->bbatt_list); |
| 501 | } |
| 502 | if (phy->type == B43_PHYTYPE_G && phy->rev == 1) { |
| 503 | /* Workaround: Temporarly disable gmode through the early init |
| 504 | * phase, as the gmode stuff is not needed for phy rev 1 */ |
| 505 | phy->gmode = 0; |
| 506 | b43_wireless_core_reset(dev, 0); |
| 507 | b43_phy_initg(dev); |
| 508 | phy->gmode = 1; |
| 509 | b43_wireless_core_reset(dev, B43_TMSLOW_GMODE); |
| 510 | } |
| 511 | } |
| 512 | |
| 513 | /* GPHY_TSSI_Power_Lookup_Table_Init */ |
| 514 | static void b43_gphy_tssi_power_lt_init(struct b43_wldev *dev) |
| 515 | { |
| 516 | struct b43_phy *phy = &dev->phy; |
| 517 | int i; |
| 518 | u16 value; |
| 519 | |
| 520 | for (i = 0; i < 32; i++) |
| 521 | b43_ofdmtab_write16(dev, 0x3C20, i, phy->tssi2dbm[i]); |
| 522 | for (i = 32; i < 64; i++) |
| 523 | b43_ofdmtab_write16(dev, 0x3C00, i - 32, phy->tssi2dbm[i]); |
| 524 | for (i = 0; i < 64; i += 2) { |
| 525 | value = (u16) phy->tssi2dbm[i]; |
| 526 | value |= ((u16) phy->tssi2dbm[i + 1]) << 8; |
| 527 | b43_phy_write(dev, 0x380 + (i / 2), value); |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | /* GPHY_Gain_Lookup_Table_Init */ |
| 532 | static void b43_gphy_gain_lt_init(struct b43_wldev *dev) |
| 533 | { |
| 534 | struct b43_phy *phy = &dev->phy; |
| 535 | struct b43_txpower_lo_control *lo = phy->lo_control; |
| 536 | u16 nr_written = 0; |
| 537 | u16 tmp; |
| 538 | u8 rf, bb; |
| 539 | |
| 540 | if (!lo->lo_measured) { |
| 541 | b43_phy_write(dev, 0x3FF, 0); |
| 542 | return; |
| 543 | } |
| 544 | |
| 545 | for (rf = 0; rf < lo->rfatt_list.len; rf++) { |
| 546 | for (bb = 0; bb < lo->bbatt_list.len; bb++) { |
| 547 | if (nr_written >= 0x40) |
| 548 | return; |
| 549 | tmp = lo->bbatt_list.list[bb].att; |
| 550 | tmp <<= 8; |
| 551 | if (phy->radio_rev == 8) |
| 552 | tmp |= 0x50; |
| 553 | else |
| 554 | tmp |= 0x40; |
| 555 | tmp |= lo->rfatt_list.list[rf].att; |
| 556 | b43_phy_write(dev, 0x3C0 + nr_written, tmp); |
| 557 | nr_written++; |
| 558 | } |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | /* GPHY_DC_Lookup_Table */ |
| 563 | void b43_gphy_dc_lt_init(struct b43_wldev *dev) |
| 564 | { |
| 565 | struct b43_phy *phy = &dev->phy; |
| 566 | struct b43_txpower_lo_control *lo = phy->lo_control; |
| 567 | struct b43_loctl *loctl0; |
| 568 | struct b43_loctl *loctl1; |
| 569 | int i; |
| 570 | int rf_offset, bb_offset; |
| 571 | u16 tmp; |
| 572 | |
| 573 | for (i = 0; i < lo->rfatt_list.len + lo->bbatt_list.len; i += 2) { |
| 574 | rf_offset = i / lo->rfatt_list.len; |
| 575 | bb_offset = i % lo->rfatt_list.len; |
| 576 | |
| 577 | loctl0 = b43_get_lo_g_ctl(dev, &lo->rfatt_list.list[rf_offset], |
| 578 | &lo->bbatt_list.list[bb_offset]); |
| 579 | if (i + 1 < lo->rfatt_list.len * lo->bbatt_list.len) { |
| 580 | rf_offset = (i + 1) / lo->rfatt_list.len; |
| 581 | bb_offset = (i + 1) % lo->rfatt_list.len; |
| 582 | |
| 583 | loctl1 = |
| 584 | b43_get_lo_g_ctl(dev, |
| 585 | &lo->rfatt_list.list[rf_offset], |
| 586 | &lo->bbatt_list.list[bb_offset]); |
| 587 | } else |
| 588 | loctl1 = loctl0; |
| 589 | |
| 590 | tmp = ((u16) loctl0->q & 0xF); |
| 591 | tmp |= ((u16) loctl0->i & 0xF) << 4; |
| 592 | tmp |= ((u16) loctl1->q & 0xF) << 8; |
| 593 | tmp |= ((u16) loctl1->i & 0xF) << 12; //FIXME? |
| 594 | b43_phy_write(dev, 0x3A0 + (i / 2), tmp); |
| 595 | } |
| 596 | } |
| 597 | |
| 598 | static void hardware_pctl_init_aphy(struct b43_wldev *dev) |
| 599 | { |
| 600 | //TODO |
| 601 | } |
| 602 | |
| 603 | static void hardware_pctl_init_gphy(struct b43_wldev *dev) |
| 604 | { |
| 605 | struct b43_phy *phy = &dev->phy; |
| 606 | |
| 607 | b43_phy_write(dev, 0x0036, (b43_phy_read(dev, 0x0036) & 0xFFC0) |
| 608 | | (phy->tgt_idle_tssi - phy->cur_idle_tssi)); |
| 609 | b43_phy_write(dev, 0x0478, (b43_phy_read(dev, 0x0478) & 0xFF00) |
| 610 | | (phy->tgt_idle_tssi - phy->cur_idle_tssi)); |
| 611 | b43_gphy_tssi_power_lt_init(dev); |
| 612 | b43_gphy_gain_lt_init(dev); |
| 613 | b43_phy_write(dev, 0x0060, b43_phy_read(dev, 0x0060) & 0xFFBF); |
| 614 | b43_phy_write(dev, 0x0014, 0x0000); |
| 615 | |
| 616 | B43_WARN_ON(phy->rev < 6); |
| 617 | b43_phy_write(dev, 0x0478, b43_phy_read(dev, 0x0478) |
| 618 | | 0x0800); |
| 619 | b43_phy_write(dev, 0x0478, b43_phy_read(dev, 0x0478) |
| 620 | & 0xFEFF); |
| 621 | b43_phy_write(dev, 0x0801, b43_phy_read(dev, 0x0801) |
| 622 | & 0xFFBF); |
| 623 | |
| 624 | b43_gphy_dc_lt_init(dev); |
| 625 | } |
| 626 | |
| 627 | /* HardwarePowerControl init for A and G PHY */ |
| 628 | static void b43_hardware_pctl_init(struct b43_wldev *dev) |
| 629 | { |
| 630 | struct b43_phy *phy = &dev->phy; |
| 631 | |
| 632 | if (!b43_has_hardware_pctl(phy)) { |
| 633 | /* No hardware power control */ |
| 634 | b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_HWPCTL); |
| 635 | return; |
| 636 | } |
| 637 | /* Init the hwpctl related hardware */ |
| 638 | switch (phy->type) { |
| 639 | case B43_PHYTYPE_A: |
| 640 | hardware_pctl_init_aphy(dev); |
| 641 | break; |
| 642 | case B43_PHYTYPE_G: |
| 643 | hardware_pctl_init_gphy(dev); |
| 644 | break; |
| 645 | default: |
| 646 | B43_WARN_ON(1); |
| 647 | } |
| 648 | /* Enable hardware pctl in firmware. */ |
| 649 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_HWPCTL); |
| 650 | } |
| 651 | |
| 652 | static void b43_hardware_pctl_early_init(struct b43_wldev *dev) |
| 653 | { |
| 654 | struct b43_phy *phy = &dev->phy; |
| 655 | |
| 656 | if (!b43_has_hardware_pctl(phy)) { |
| 657 | b43_phy_write(dev, 0x047A, 0xC111); |
| 658 | return; |
| 659 | } |
| 660 | |
| 661 | b43_phy_write(dev, 0x0036, b43_phy_read(dev, 0x0036) & 0xFEFF); |
| 662 | b43_phy_write(dev, 0x002F, 0x0202); |
| 663 | b43_phy_write(dev, 0x047C, b43_phy_read(dev, 0x047C) | 0x0002); |
| 664 | b43_phy_write(dev, 0x047A, b43_phy_read(dev, 0x047A) | 0xF000); |
| 665 | if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) { |
| 666 | b43_phy_write(dev, 0x047A, (b43_phy_read(dev, 0x047A) |
| 667 | & 0xFF0F) | 0x0010); |
| 668 | b43_phy_write(dev, 0x005D, b43_phy_read(dev, 0x005D) |
| 669 | | 0x8000); |
| 670 | b43_phy_write(dev, 0x004E, (b43_phy_read(dev, 0x004E) |
| 671 | & 0xFFC0) | 0x0010); |
| 672 | b43_phy_write(dev, 0x002E, 0xC07F); |
| 673 | b43_phy_write(dev, 0x0036, b43_phy_read(dev, 0x0036) |
| 674 | | 0x0400); |
| 675 | } else { |
| 676 | b43_phy_write(dev, 0x0036, b43_phy_read(dev, 0x0036) |
| 677 | | 0x0200); |
| 678 | b43_phy_write(dev, 0x0036, b43_phy_read(dev, 0x0036) |
| 679 | | 0x0400); |
| 680 | b43_phy_write(dev, 0x005D, b43_phy_read(dev, 0x005D) |
| 681 | & 0x7FFF); |
| 682 | b43_phy_write(dev, 0x004F, b43_phy_read(dev, 0x004F) |
| 683 | & 0xFFFE); |
| 684 | b43_phy_write(dev, 0x004E, (b43_phy_read(dev, 0x004E) |
| 685 | & 0xFFC0) | 0x0010); |
| 686 | b43_phy_write(dev, 0x002E, 0xC07F); |
| 687 | b43_phy_write(dev, 0x047A, (b43_phy_read(dev, 0x047A) |
| 688 | & 0xFF0F) | 0x0010); |
| 689 | } |
| 690 | } |
| 691 | |
| 692 | /* Intialize B/G PHY power control |
| 693 | * as described in http://bcm-specs.sipsolutions.net/InitPowerControl |
| 694 | */ |
| 695 | static void b43_phy_init_pctl(struct b43_wldev *dev) |
| 696 | { |
| 697 | struct ssb_bus *bus = dev->dev->bus; |
| 698 | struct b43_phy *phy = &dev->phy; |
| 699 | struct b43_rfatt old_rfatt; |
| 700 | struct b43_bbatt old_bbatt; |
| 701 | u8 old_tx_control = 0; |
| 702 | |
| 703 | if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) && |
| 704 | (bus->boardinfo.type == SSB_BOARD_BU4306)) |
| 705 | return; |
| 706 | |
| 707 | b43_phy_write(dev, 0x0028, 0x8018); |
| 708 | |
| 709 | /* This does something with the Analog... */ |
| 710 | b43_write16(dev, B43_MMIO_PHY0, b43_read16(dev, B43_MMIO_PHY0) |
| 711 | & 0xFFDF); |
| 712 | |
| 713 | if (phy->type == B43_PHYTYPE_G && !phy->gmode) |
| 714 | return; |
| 715 | b43_hardware_pctl_early_init(dev); |
| 716 | if (phy->cur_idle_tssi == 0) { |
| 717 | if (phy->radio_ver == 0x2050 && phy->analog == 0) { |
| 718 | b43_radio_write16(dev, 0x0076, |
| 719 | (b43_radio_read16(dev, 0x0076) |
| 720 | & 0x00F7) | 0x0084); |
| 721 | } else { |
| 722 | struct b43_rfatt rfatt; |
| 723 | struct b43_bbatt bbatt; |
| 724 | |
| 725 | memcpy(&old_rfatt, &phy->rfatt, sizeof(old_rfatt)); |
| 726 | memcpy(&old_bbatt, &phy->bbatt, sizeof(old_bbatt)); |
| 727 | old_tx_control = phy->tx_control; |
| 728 | |
| 729 | bbatt.att = 11; |
| 730 | if (phy->radio_rev == 8) { |
| 731 | rfatt.att = 15; |
| 732 | rfatt.with_padmix = 1; |
| 733 | } else { |
| 734 | rfatt.att = 9; |
| 735 | rfatt.with_padmix = 0; |
| 736 | } |
| 737 | b43_set_txpower_g(dev, &bbatt, &rfatt, 0); |
| 738 | } |
| 739 | b43_dummy_transmission(dev); |
| 740 | phy->cur_idle_tssi = b43_phy_read(dev, B43_PHY_ITSSI); |
| 741 | if (B43_DEBUG) { |
| 742 | /* Current-Idle-TSSI sanity check. */ |
| 743 | if (abs(phy->cur_idle_tssi - phy->tgt_idle_tssi) >= 20) { |
| 744 | b43dbg(dev->wl, |
| 745 | "!WARNING! Idle-TSSI phy->cur_idle_tssi " |
| 746 | "measuring failed. (cur=%d, tgt=%d). Disabling TX power " |
| 747 | "adjustment.\n", phy->cur_idle_tssi, |
| 748 | phy->tgt_idle_tssi); |
| 749 | phy->cur_idle_tssi = 0; |
| 750 | } |
| 751 | } |
| 752 | if (phy->radio_ver == 0x2050 && phy->analog == 0) { |
| 753 | b43_radio_write16(dev, 0x0076, |
| 754 | b43_radio_read16(dev, 0x0076) |
| 755 | & 0xFF7B); |
| 756 | } else { |
| 757 | b43_set_txpower_g(dev, &old_bbatt, |
| 758 | &old_rfatt, old_tx_control); |
| 759 | } |
| 760 | } |
| 761 | b43_hardware_pctl_init(dev); |
| 762 | b43_shm_clear_tssi(dev); |
| 763 | } |
| 764 | |
| 765 | static void b43_phy_agcsetup(struct b43_wldev *dev) |
| 766 | { |
| 767 | struct b43_phy *phy = &dev->phy; |
| 768 | u16 offset = 0x0000; |
| 769 | |
| 770 | if (phy->rev == 1) |
| 771 | offset = 0x4C00; |
| 772 | |
| 773 | b43_ofdmtab_write16(dev, offset, 0, 0x00FE); |
| 774 | b43_ofdmtab_write16(dev, offset, 1, 0x000D); |
| 775 | b43_ofdmtab_write16(dev, offset, 2, 0x0013); |
| 776 | b43_ofdmtab_write16(dev, offset, 3, 0x0019); |
| 777 | |
| 778 | if (phy->rev == 1) { |
| 779 | b43_ofdmtab_write16(dev, 0x1800, 0, 0x2710); |
| 780 | b43_ofdmtab_write16(dev, 0x1801, 0, 0x9B83); |
| 781 | b43_ofdmtab_write16(dev, 0x1802, 0, 0x9B83); |
| 782 | b43_ofdmtab_write16(dev, 0x1803, 0, 0x0F8D); |
| 783 | b43_phy_write(dev, 0x0455, 0x0004); |
| 784 | } |
| 785 | |
| 786 | b43_phy_write(dev, 0x04A5, (b43_phy_read(dev, 0x04A5) |
| 787 | & 0x00FF) | 0x5700); |
| 788 | b43_phy_write(dev, 0x041A, (b43_phy_read(dev, 0x041A) |
| 789 | & 0xFF80) | 0x000F); |
| 790 | b43_phy_write(dev, 0x041A, (b43_phy_read(dev, 0x041A) |
| 791 | & 0xC07F) | 0x2B80); |
| 792 | b43_phy_write(dev, 0x048C, (b43_phy_read(dev, 0x048C) |
| 793 | & 0xF0FF) | 0x0300); |
| 794 | |
| 795 | b43_radio_write16(dev, 0x007A, b43_radio_read16(dev, 0x007A) |
| 796 | | 0x0008); |
| 797 | |
| 798 | b43_phy_write(dev, 0x04A0, (b43_phy_read(dev, 0x04A0) |
| 799 | & 0xFFF0) | 0x0008); |
| 800 | b43_phy_write(dev, 0x04A1, (b43_phy_read(dev, 0x04A1) |
| 801 | & 0xF0FF) | 0x0600); |
| 802 | b43_phy_write(dev, 0x04A2, (b43_phy_read(dev, 0x04A2) |
| 803 | & 0xF0FF) | 0x0700); |
| 804 | b43_phy_write(dev, 0x04A0, (b43_phy_read(dev, 0x04A0) |
| 805 | & 0xF0FF) | 0x0100); |
| 806 | |
| 807 | if (phy->rev == 1) { |
| 808 | b43_phy_write(dev, 0x04A2, (b43_phy_read(dev, 0x04A2) |
| 809 | & 0xFFF0) | 0x0007); |
| 810 | } |
| 811 | |
| 812 | b43_phy_write(dev, 0x0488, (b43_phy_read(dev, 0x0488) |
| 813 | & 0xFF00) | 0x001C); |
| 814 | b43_phy_write(dev, 0x0488, (b43_phy_read(dev, 0x0488) |
| 815 | & 0xC0FF) | 0x0200); |
| 816 | b43_phy_write(dev, 0x0496, (b43_phy_read(dev, 0x0496) |
| 817 | & 0xFF00) | 0x001C); |
| 818 | b43_phy_write(dev, 0x0489, (b43_phy_read(dev, 0x0489) |
| 819 | & 0xFF00) | 0x0020); |
| 820 | b43_phy_write(dev, 0x0489, (b43_phy_read(dev, 0x0489) |
| 821 | & 0xC0FF) | 0x0200); |
| 822 | b43_phy_write(dev, 0x0482, (b43_phy_read(dev, 0x0482) |
| 823 | & 0xFF00) | 0x002E); |
| 824 | b43_phy_write(dev, 0x0496, (b43_phy_read(dev, 0x0496) |
| 825 | & 0x00FF) | 0x1A00); |
| 826 | b43_phy_write(dev, 0x0481, (b43_phy_read(dev, 0x0481) |
| 827 | & 0xFF00) | 0x0028); |
| 828 | b43_phy_write(dev, 0x0481, (b43_phy_read(dev, 0x0481) |
| 829 | & 0x00FF) | 0x2C00); |
| 830 | |
| 831 | if (phy->rev == 1) { |
| 832 | b43_phy_write(dev, 0x0430, 0x092B); |
| 833 | b43_phy_write(dev, 0x041B, (b43_phy_read(dev, 0x041B) |
| 834 | & 0xFFE1) | 0x0002); |
| 835 | } else { |
| 836 | b43_phy_write(dev, 0x041B, b43_phy_read(dev, 0x041B) |
| 837 | & 0xFFE1); |
| 838 | b43_phy_write(dev, 0x041F, 0x287A); |
| 839 | b43_phy_write(dev, 0x0420, (b43_phy_read(dev, 0x0420) |
| 840 | & 0xFFF0) | 0x0004); |
| 841 | } |
| 842 | |
| 843 | if (phy->rev >= 6) { |
| 844 | b43_phy_write(dev, 0x0422, 0x287A); |
| 845 | b43_phy_write(dev, 0x0420, (b43_phy_read(dev, 0x0420) |
| 846 | & 0x0FFF) | 0x3000); |
| 847 | } |
| 848 | |
| 849 | b43_phy_write(dev, 0x04A8, (b43_phy_read(dev, 0x04A8) |
| 850 | & 0x8080) | 0x7874); |
| 851 | b43_phy_write(dev, 0x048E, 0x1C00); |
| 852 | |
| 853 | offset = 0x0800; |
| 854 | if (phy->rev == 1) { |
| 855 | offset = 0x5400; |
| 856 | b43_phy_write(dev, 0x04AB, (b43_phy_read(dev, 0x04AB) |
| 857 | & 0xF0FF) | 0x0600); |
| 858 | b43_phy_write(dev, 0x048B, 0x005E); |
| 859 | b43_phy_write(dev, 0x048C, (b43_phy_read(dev, 0x048C) |
| 860 | & 0xFF00) | 0x001E); |
| 861 | b43_phy_write(dev, 0x048D, 0x0002); |
| 862 | } |
| 863 | b43_ofdmtab_write16(dev, offset, 0, 0x00); |
| 864 | b43_ofdmtab_write16(dev, offset, 1, 0x07); |
| 865 | b43_ofdmtab_write16(dev, offset, 2, 0x10); |
| 866 | b43_ofdmtab_write16(dev, offset, 3, 0x1C); |
| 867 | |
| 868 | if (phy->rev >= 6) { |
| 869 | b43_phy_write(dev, 0x0426, b43_phy_read(dev, 0x0426) |
| 870 | & 0xFFFC); |
| 871 | b43_phy_write(dev, 0x0426, b43_phy_read(dev, 0x0426) |
| 872 | & 0xEFFF); |
| 873 | } |
| 874 | } |
| 875 | |
| 876 | static void b43_phy_setupg(struct b43_wldev *dev) |
| 877 | { |
| 878 | struct ssb_bus *bus = dev->dev->bus; |
| 879 | struct b43_phy *phy = &dev->phy; |
| 880 | u16 i; |
| 881 | |
| 882 | B43_WARN_ON(phy->type != B43_PHYTYPE_G); |
| 883 | if (phy->rev == 1) { |
| 884 | b43_phy_write(dev, 0x0406, 0x4F19); |
| 885 | b43_phy_write(dev, B43_PHY_G_CRS, |
| 886 | (b43_phy_read(dev, B43_PHY_G_CRS) & 0xFC3F) | |
| 887 | 0x0340); |
| 888 | b43_phy_write(dev, 0x042C, 0x005A); |
| 889 | b43_phy_write(dev, 0x0427, 0x001A); |
| 890 | |
| 891 | for (i = 0; i < B43_TAB_FINEFREQG_SIZE; i++) |
| 892 | b43_ofdmtab_write16(dev, 0x5800, i, |
| 893 | b43_tab_finefreqg[i]); |
| 894 | for (i = 0; i < B43_TAB_NOISEG1_SIZE; i++) |
| 895 | b43_ofdmtab_write16(dev, 0x1800, i, b43_tab_noiseg1[i]); |
| 896 | for (i = 0; i < B43_TAB_ROTOR_SIZE; i++) |
| 897 | b43_ofdmtab_write16(dev, 0x2000, i, b43_tab_rotor[i]); |
| 898 | } else { |
| 899 | /* nrssi values are signed 6-bit values. Not sure why we write 0x7654 here... */ |
| 900 | b43_nrssi_hw_write(dev, 0xBA98, (s16) 0x7654); |
| 901 | |
| 902 | if (phy->rev == 2) { |
| 903 | b43_phy_write(dev, 0x04C0, 0x1861); |
| 904 | b43_phy_write(dev, 0x04C1, 0x0271); |
| 905 | } else if (phy->rev > 2) { |
| 906 | b43_phy_write(dev, 0x04C0, 0x0098); |
| 907 | b43_phy_write(dev, 0x04C1, 0x0070); |
| 908 | b43_phy_write(dev, 0x04C9, 0x0080); |
| 909 | } |
| 910 | b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) | 0x800); |
| 911 | |
| 912 | for (i = 0; i < 64; i++) |
| 913 | b43_ofdmtab_write16(dev, 0x4000, i, i); |
| 914 | for (i = 0; i < B43_TAB_NOISEG2_SIZE; i++) |
| 915 | b43_ofdmtab_write16(dev, 0x1800, i, b43_tab_noiseg2[i]); |
| 916 | } |
| 917 | |
| 918 | if (phy->rev <= 2) |
| 919 | for (i = 0; i < B43_TAB_NOISESCALEG_SIZE; i++) |
| 920 | b43_ofdmtab_write16(dev, 0x1400, i, |
| 921 | b43_tab_noisescaleg1[i]); |
| 922 | else if ((phy->rev >= 7) && (b43_phy_read(dev, 0x0449) & 0x0200)) |
| 923 | for (i = 0; i < B43_TAB_NOISESCALEG_SIZE; i++) |
| 924 | b43_ofdmtab_write16(dev, 0x1400, i, |
| 925 | b43_tab_noisescaleg3[i]); |
| 926 | else |
| 927 | for (i = 0; i < B43_TAB_NOISESCALEG_SIZE; i++) |
| 928 | b43_ofdmtab_write16(dev, 0x1400, i, |
| 929 | b43_tab_noisescaleg2[i]); |
| 930 | |
| 931 | if (phy->rev == 2) |
| 932 | for (i = 0; i < B43_TAB_SIGMASQR_SIZE; i++) |
| 933 | b43_ofdmtab_write16(dev, 0x5000, i, |
| 934 | b43_tab_sigmasqr1[i]); |
| 935 | else if ((phy->rev > 2) && (phy->rev <= 8)) |
| 936 | for (i = 0; i < B43_TAB_SIGMASQR_SIZE; i++) |
| 937 | b43_ofdmtab_write16(dev, 0x5000, i, |
| 938 | b43_tab_sigmasqr2[i]); |
| 939 | |
| 940 | if (phy->rev == 1) { |
| 941 | for (i = 0; i < B43_TAB_RETARD_SIZE; i++) |
| 942 | b43_ofdmtab_write32(dev, 0x2400, i, b43_tab_retard[i]); |
| 943 | for (i = 4; i < 20; i++) |
| 944 | b43_ofdmtab_write16(dev, 0x5400, i, 0x0020); |
| 945 | b43_phy_agcsetup(dev); |
| 946 | |
| 947 | if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) && |
| 948 | (bus->boardinfo.type == SSB_BOARD_BU4306) && |
| 949 | (bus->boardinfo.rev == 0x17)) |
| 950 | return; |
| 951 | |
| 952 | b43_ofdmtab_write16(dev, 0x5001, 0, 0x0002); |
| 953 | b43_ofdmtab_write16(dev, 0x5002, 0, 0x0001); |
| 954 | } else { |
| 955 | for (i = 0; i < 0x20; i++) |
| 956 | b43_ofdmtab_write16(dev, 0x1000, i, 0x0820); |
| 957 | b43_phy_agcsetup(dev); |
| 958 | b43_phy_read(dev, 0x0400); /* dummy read */ |
| 959 | b43_phy_write(dev, 0x0403, 0x1000); |
| 960 | b43_ofdmtab_write16(dev, 0x3C02, 0, 0x000F); |
| 961 | b43_ofdmtab_write16(dev, 0x3C03, 0, 0x0014); |
| 962 | |
| 963 | if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) && |
| 964 | (bus->boardinfo.type == SSB_BOARD_BU4306) && |
| 965 | (bus->boardinfo.rev == 0x17)) |
| 966 | return; |
| 967 | |
| 968 | b43_ofdmtab_write16(dev, 0x0401, 0, 0x0002); |
| 969 | b43_ofdmtab_write16(dev, 0x0402, 0, 0x0001); |
| 970 | } |
| 971 | } |
| 972 | |
| 973 | /* Initialize the noisescaletable for APHY */ |
| 974 | static void b43_phy_init_noisescaletbl(struct b43_wldev *dev) |
| 975 | { |
| 976 | struct b43_phy *phy = &dev->phy; |
| 977 | int i; |
| 978 | |
| 979 | for (i = 0; i < 12; i++) { |
| 980 | if (phy->rev == 2) |
| 981 | b43_ofdmtab_write16(dev, 0x1400, i, 0x6767); |
| 982 | else |
| 983 | b43_ofdmtab_write16(dev, 0x1400, i, 0x2323); |
| 984 | } |
| 985 | if (phy->rev == 2) |
| 986 | b43_ofdmtab_write16(dev, 0x1400, i, 0x6700); |
| 987 | else |
| 988 | b43_ofdmtab_write16(dev, 0x1400, i, 0x2300); |
| 989 | for (i = 0; i < 11; i++) { |
| 990 | if (phy->rev == 2) |
| 991 | b43_ofdmtab_write16(dev, 0x1400, i, 0x6767); |
| 992 | else |
| 993 | b43_ofdmtab_write16(dev, 0x1400, i, 0x2323); |
| 994 | } |
| 995 | if (phy->rev == 2) |
| 996 | b43_ofdmtab_write16(dev, 0x1400, i, 0x0067); |
| 997 | else |
| 998 | b43_ofdmtab_write16(dev, 0x1400, i, 0x0023); |
| 999 | } |
| 1000 | |
| 1001 | static void b43_phy_setupa(struct b43_wldev *dev) |
| 1002 | { |
| 1003 | struct b43_phy *phy = &dev->phy; |
| 1004 | u16 i; |
| 1005 | |
| 1006 | B43_WARN_ON(phy->type != B43_PHYTYPE_A); |
| 1007 | switch (phy->rev) { |
| 1008 | case 2: |
| 1009 | b43_phy_write(dev, 0x008E, 0x3800); |
| 1010 | b43_phy_write(dev, 0x0035, 0x03FF); |
| 1011 | b43_phy_write(dev, 0x0036, 0x0400); |
| 1012 | |
| 1013 | b43_ofdmtab_write16(dev, 0x3807, 0, 0x0051); |
| 1014 | |
| 1015 | b43_phy_write(dev, 0x001C, 0x0FF9); |
| 1016 | b43_phy_write(dev, 0x0020, b43_phy_read(dev, 0x0020) & 0xFF0F); |
| 1017 | b43_ofdmtab_write16(dev, 0x3C0C, 0, 0x07BF); |
| 1018 | b43_radio_write16(dev, 0x0002, 0x07BF); |
| 1019 | |
| 1020 | b43_phy_write(dev, 0x0024, 0x4680); |
| 1021 | b43_phy_write(dev, 0x0020, 0x0003); |
| 1022 | b43_phy_write(dev, 0x001D, 0x0F40); |
| 1023 | b43_phy_write(dev, 0x001F, 0x1C00); |
| 1024 | |
| 1025 | b43_phy_write(dev, 0x002A, (b43_phy_read(dev, 0x002A) |
| 1026 | & 0x00FF) | 0x0400); |
| 1027 | b43_phy_write(dev, 0x002B, b43_phy_read(dev, 0x002B) |
| 1028 | & 0xFBFF); |
| 1029 | b43_phy_write(dev, 0x008E, 0x58C1); |
| 1030 | |
| 1031 | b43_ofdmtab_write16(dev, 0x0803, 0, 0x000F); |
| 1032 | b43_ofdmtab_write16(dev, 0x0804, 0, 0x001F); |
| 1033 | b43_ofdmtab_write16(dev, 0x0805, 0, 0x002A); |
| 1034 | b43_ofdmtab_write16(dev, 0x0805, 0, 0x0030); |
| 1035 | b43_ofdmtab_write16(dev, 0x0807, 0, 0x003A); |
| 1036 | |
| 1037 | b43_ofdmtab_write16(dev, 0x0000, 0, 0x0013); |
| 1038 | b43_ofdmtab_write16(dev, 0x0000, 1, 0x0013); |
| 1039 | b43_ofdmtab_write16(dev, 0x0000, 2, 0x0013); |
| 1040 | b43_ofdmtab_write16(dev, 0x0000, 3, 0x0013); |
| 1041 | b43_ofdmtab_write16(dev, 0x0000, 4, 0x0015); |
| 1042 | b43_ofdmtab_write16(dev, 0x0000, 5, 0x0015); |
| 1043 | b43_ofdmtab_write16(dev, 0x0000, 6, 0x0019); |
| 1044 | |
| 1045 | b43_ofdmtab_write16(dev, 0x0404, 0, 0x0003); |
| 1046 | b43_ofdmtab_write16(dev, 0x0405, 0, 0x0003); |
| 1047 | b43_ofdmtab_write16(dev, 0x0406, 0, 0x0007); |
| 1048 | |
| 1049 | for (i = 0; i < 16; i++) |
| 1050 | b43_ofdmtab_write16(dev, 0x4000, i, (0x8 + i) & 0x000F); |
| 1051 | |
| 1052 | b43_ofdmtab_write16(dev, 0x3003, 0, 0x1044); |
| 1053 | b43_ofdmtab_write16(dev, 0x3004, 0, 0x7201); |
| 1054 | b43_ofdmtab_write16(dev, 0x3006, 0, 0x0040); |
| 1055 | b43_ofdmtab_write16(dev, 0x3001, 0, |
| 1056 | (b43_ofdmtab_read16(dev, 0x3001, 0) & |
| 1057 | 0x0010) | 0x0008); |
| 1058 | |
| 1059 | for (i = 0; i < B43_TAB_FINEFREQA_SIZE; i++) |
| 1060 | b43_ofdmtab_write16(dev, 0x5800, i, |
| 1061 | b43_tab_finefreqa[i]); |
| 1062 | for (i = 0; i < B43_TAB_NOISEA2_SIZE; i++) |
| 1063 | b43_ofdmtab_write16(dev, 0x1800, i, b43_tab_noisea2[i]); |
| 1064 | for (i = 0; i < B43_TAB_ROTOR_SIZE; i++) |
| 1065 | b43_ofdmtab_write32(dev, 0x2000, i, b43_tab_rotor[i]); |
| 1066 | b43_phy_init_noisescaletbl(dev); |
| 1067 | for (i = 0; i < B43_TAB_RETARD_SIZE; i++) |
| 1068 | b43_ofdmtab_write32(dev, 0x2400, i, b43_tab_retard[i]); |
| 1069 | break; |
| 1070 | case 3: |
| 1071 | for (i = 0; i < 64; i++) |
| 1072 | b43_ofdmtab_write16(dev, 0x4000, i, i); |
| 1073 | |
| 1074 | b43_ofdmtab_write16(dev, 0x3807, 0, 0x0051); |
| 1075 | |
| 1076 | b43_phy_write(dev, 0x001C, 0x0FF9); |
| 1077 | b43_phy_write(dev, 0x0020, b43_phy_read(dev, 0x0020) & 0xFF0F); |
| 1078 | b43_radio_write16(dev, 0x0002, 0x07BF); |
| 1079 | |
| 1080 | b43_phy_write(dev, 0x0024, 0x4680); |
| 1081 | b43_phy_write(dev, 0x0020, 0x0003); |
| 1082 | b43_phy_write(dev, 0x001D, 0x0F40); |
| 1083 | b43_phy_write(dev, 0x001F, 0x1C00); |
| 1084 | b43_phy_write(dev, 0x002A, (b43_phy_read(dev, 0x002A) |
| 1085 | & 0x00FF) | 0x0400); |
| 1086 | |
| 1087 | b43_ofdmtab_write16(dev, 0x3000, 1, |
| 1088 | (b43_ofdmtab_read16(dev, 0x3000, 1) |
| 1089 | & 0x0010) | 0x0008); |
| 1090 | for (i = 0; i < B43_TAB_NOISEA3_SIZE; i++) { |
| 1091 | b43_ofdmtab_write16(dev, 0x1800, i, b43_tab_noisea3[i]); |
| 1092 | } |
| 1093 | b43_phy_init_noisescaletbl(dev); |
| 1094 | for (i = 0; i < B43_TAB_SIGMASQR_SIZE; i++) { |
| 1095 | b43_ofdmtab_write16(dev, 0x5000, i, |
| 1096 | b43_tab_sigmasqr1[i]); |
| 1097 | } |
| 1098 | |
| 1099 | b43_phy_write(dev, 0x0003, 0x1808); |
| 1100 | |
| 1101 | b43_ofdmtab_write16(dev, 0x0803, 0, 0x000F); |
| 1102 | b43_ofdmtab_write16(dev, 0x0804, 0, 0x001F); |
| 1103 | b43_ofdmtab_write16(dev, 0x0805, 0, 0x002A); |
| 1104 | b43_ofdmtab_write16(dev, 0x0805, 0, 0x0030); |
| 1105 | b43_ofdmtab_write16(dev, 0x0807, 0, 0x003A); |
| 1106 | |
| 1107 | b43_ofdmtab_write16(dev, 0x0000, 0, 0x0013); |
| 1108 | b43_ofdmtab_write16(dev, 0x0001, 0, 0x0013); |
| 1109 | b43_ofdmtab_write16(dev, 0x0002, 0, 0x0013); |
| 1110 | b43_ofdmtab_write16(dev, 0x0003, 0, 0x0013); |
| 1111 | b43_ofdmtab_write16(dev, 0x0004, 0, 0x0015); |
| 1112 | b43_ofdmtab_write16(dev, 0x0005, 0, 0x0015); |
| 1113 | b43_ofdmtab_write16(dev, 0x0006, 0, 0x0019); |
| 1114 | |
| 1115 | b43_ofdmtab_write16(dev, 0x0404, 0, 0x0003); |
| 1116 | b43_ofdmtab_write16(dev, 0x0405, 0, 0x0003); |
| 1117 | b43_ofdmtab_write16(dev, 0x0406, 0, 0x0007); |
| 1118 | |
| 1119 | b43_ofdmtab_write16(dev, 0x3C02, 0, 0x000F); |
| 1120 | b43_ofdmtab_write16(dev, 0x3C03, 0, 0x0014); |
| 1121 | break; |
| 1122 | default: |
| 1123 | B43_WARN_ON(1); |
| 1124 | } |
| 1125 | } |
| 1126 | |
| 1127 | /* Initialize APHY. This is also called for the GPHY in some cases. */ |
| 1128 | static void b43_phy_inita(struct b43_wldev *dev) |
| 1129 | { |
| 1130 | struct ssb_bus *bus = dev->dev->bus; |
| 1131 | struct b43_phy *phy = &dev->phy; |
| 1132 | u16 tval; |
| 1133 | |
| 1134 | might_sleep(); |
| 1135 | |
| 1136 | if (phy->type == B43_PHYTYPE_A) { |
| 1137 | b43_phy_setupa(dev); |
| 1138 | } else { |
| 1139 | b43_phy_setupg(dev); |
| 1140 | if (phy->gmode && |
| 1141 | (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_PACTRL)) |
| 1142 | b43_phy_write(dev, 0x046E, 0x03CF); |
| 1143 | return; |
| 1144 | } |
| 1145 | |
| 1146 | b43_phy_write(dev, B43_PHY_A_CRS, |
| 1147 | (b43_phy_read(dev, B43_PHY_A_CRS) & 0xF83C) | 0x0340); |
| 1148 | b43_phy_write(dev, 0x0034, 0x0001); |
| 1149 | |
| 1150 | //TODO: RSSI AGC |
| 1151 | b43_phy_write(dev, B43_PHY_A_CRS, |
| 1152 | b43_phy_read(dev, B43_PHY_A_CRS) | (1 << 14)); |
| 1153 | b43_radio_init2060(dev); |
| 1154 | |
| 1155 | if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) && |
| 1156 | ((bus->boardinfo.type == SSB_BOARD_BU4306) || |
| 1157 | (bus->boardinfo.type == SSB_BOARD_BU4309))) { |
| 1158 | if (phy->lofcal == 0xFFFF) { |
| 1159 | //TODO: LOF Cal |
| 1160 | b43_radio_set_tx_iq(dev); |
| 1161 | } else |
| 1162 | b43_radio_write16(dev, 0x001E, phy->lofcal); |
| 1163 | } |
| 1164 | |
| 1165 | b43_phy_write(dev, 0x007A, 0xF111); |
| 1166 | |
| 1167 | if (phy->cur_idle_tssi == 0) { |
| 1168 | b43_radio_write16(dev, 0x0019, 0x0000); |
| 1169 | b43_radio_write16(dev, 0x0017, 0x0020); |
| 1170 | |
| 1171 | tval = b43_ofdmtab_read16(dev, 0x3001, 0); |
| 1172 | if (phy->rev == 1) { |
| 1173 | b43_ofdmtab_write16(dev, 0x3001, 0, |
| 1174 | (b43_ofdmtab_read16(dev, 0x3001, 0) |
| 1175 | & 0xFF87) |
| 1176 | | 0x0058); |
| 1177 | } else { |
| 1178 | b43_ofdmtab_write16(dev, 0x3001, 0, |
| 1179 | (b43_ofdmtab_read16(dev, 0x3001, 0) |
| 1180 | & 0xFFC3) |
| 1181 | | 0x002C); |
| 1182 | } |
| 1183 | b43_dummy_transmission(dev); |
| 1184 | phy->cur_idle_tssi = b43_phy_read(dev, B43_PHY_A_PCTL); |
| 1185 | b43_ofdmtab_write16(dev, 0x3001, 0, tval); |
| 1186 | |
| 1187 | b43_radio_set_txpower_a(dev, 0x0018); |
| 1188 | } |
| 1189 | b43_shm_clear_tssi(dev); |
| 1190 | } |
| 1191 | |
| 1192 | static void b43_phy_initb2(struct b43_wldev *dev) |
| 1193 | { |
| 1194 | struct b43_phy *phy = &dev->phy; |
| 1195 | u16 offset, val; |
| 1196 | |
| 1197 | b43_write16(dev, 0x03EC, 0x3F22); |
| 1198 | b43_phy_write(dev, 0x0020, 0x301C); |
| 1199 | b43_phy_write(dev, 0x0026, 0x0000); |
| 1200 | b43_phy_write(dev, 0x0030, 0x00C6); |
| 1201 | b43_phy_write(dev, 0x0088, 0x3E00); |
| 1202 | val = 0x3C3D; |
| 1203 | for (offset = 0x0089; offset < 0x00A7; offset++) { |
| 1204 | b43_phy_write(dev, offset, val); |
| 1205 | val -= 0x0202; |
| 1206 | } |
| 1207 | b43_phy_write(dev, 0x03E4, 0x3000); |
| 1208 | if (phy->channel == 0xFF) |
| 1209 | b43_radio_selectchannel(dev, B43_DEFAULT_CHANNEL_BG, 0); |
| 1210 | else |
| 1211 | b43_radio_selectchannel(dev, phy->channel, 0); |
| 1212 | if (phy->radio_ver != 0x2050) { |
| 1213 | b43_radio_write16(dev, 0x0075, 0x0080); |
| 1214 | b43_radio_write16(dev, 0x0079, 0x0081); |
| 1215 | } |
| 1216 | b43_radio_write16(dev, 0x0050, 0x0020); |
| 1217 | b43_radio_write16(dev, 0x0050, 0x0023); |
| 1218 | if (phy->radio_ver == 0x2050) { |
| 1219 | b43_radio_write16(dev, 0x0050, 0x0020); |
| 1220 | b43_radio_write16(dev, 0x005A, 0x0070); |
| 1221 | b43_radio_write16(dev, 0x005B, 0x007B); |
| 1222 | b43_radio_write16(dev, 0x005C, 0x00B0); |
| 1223 | b43_radio_write16(dev, 0x007A, 0x000F); |
| 1224 | b43_phy_write(dev, 0x0038, 0x0677); |
| 1225 | b43_radio_init2050(dev); |
| 1226 | } |
| 1227 | b43_phy_write(dev, 0x0014, 0x0080); |
| 1228 | b43_phy_write(dev, 0x0032, 0x00CA); |
| 1229 | b43_phy_write(dev, 0x0032, 0x00CC); |
| 1230 | b43_phy_write(dev, 0x0035, 0x07C2); |
| 1231 | b43_lo_b_measure(dev); |
| 1232 | b43_phy_write(dev, 0x0026, 0xCC00); |
| 1233 | if (phy->radio_ver != 0x2050) |
| 1234 | b43_phy_write(dev, 0x0026, 0xCE00); |
| 1235 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, 0x1000); |
| 1236 | b43_phy_write(dev, 0x002A, 0x88A3); |
| 1237 | if (phy->radio_ver != 0x2050) |
| 1238 | b43_phy_write(dev, 0x002A, 0x88C2); |
| 1239 | b43_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control); |
| 1240 | b43_phy_init_pctl(dev); |
| 1241 | } |
| 1242 | |
| 1243 | static void b43_phy_initb4(struct b43_wldev *dev) |
| 1244 | { |
| 1245 | struct b43_phy *phy = &dev->phy; |
| 1246 | u16 offset, val; |
| 1247 | |
| 1248 | b43_write16(dev, 0x03EC, 0x3F22); |
| 1249 | b43_phy_write(dev, 0x0020, 0x301C); |
| 1250 | b43_phy_write(dev, 0x0026, 0x0000); |
| 1251 | b43_phy_write(dev, 0x0030, 0x00C6); |
| 1252 | b43_phy_write(dev, 0x0088, 0x3E00); |
| 1253 | val = 0x3C3D; |
| 1254 | for (offset = 0x0089; offset < 0x00A7; offset++) { |
| 1255 | b43_phy_write(dev, offset, val); |
| 1256 | val -= 0x0202; |
| 1257 | } |
| 1258 | b43_phy_write(dev, 0x03E4, 0x3000); |
| 1259 | if (phy->channel == 0xFF) |
| 1260 | b43_radio_selectchannel(dev, B43_DEFAULT_CHANNEL_BG, 0); |
| 1261 | else |
| 1262 | b43_radio_selectchannel(dev, phy->channel, 0); |
| 1263 | if (phy->radio_ver != 0x2050) { |
| 1264 | b43_radio_write16(dev, 0x0075, 0x0080); |
| 1265 | b43_radio_write16(dev, 0x0079, 0x0081); |
| 1266 | } |
| 1267 | b43_radio_write16(dev, 0x0050, 0x0020); |
| 1268 | b43_radio_write16(dev, 0x0050, 0x0023); |
| 1269 | if (phy->radio_ver == 0x2050) { |
| 1270 | b43_radio_write16(dev, 0x0050, 0x0020); |
| 1271 | b43_radio_write16(dev, 0x005A, 0x0070); |
| 1272 | b43_radio_write16(dev, 0x005B, 0x007B); |
| 1273 | b43_radio_write16(dev, 0x005C, 0x00B0); |
| 1274 | b43_radio_write16(dev, 0x007A, 0x000F); |
| 1275 | b43_phy_write(dev, 0x0038, 0x0677); |
| 1276 | b43_radio_init2050(dev); |
| 1277 | } |
| 1278 | b43_phy_write(dev, 0x0014, 0x0080); |
| 1279 | b43_phy_write(dev, 0x0032, 0x00CA); |
| 1280 | if (phy->radio_ver == 0x2050) |
| 1281 | b43_phy_write(dev, 0x0032, 0x00E0); |
| 1282 | b43_phy_write(dev, 0x0035, 0x07C2); |
| 1283 | |
| 1284 | b43_lo_b_measure(dev); |
| 1285 | |
| 1286 | b43_phy_write(dev, 0x0026, 0xCC00); |
| 1287 | if (phy->radio_ver == 0x2050) |
| 1288 | b43_phy_write(dev, 0x0026, 0xCE00); |
| 1289 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, 0x1100); |
| 1290 | b43_phy_write(dev, 0x002A, 0x88A3); |
| 1291 | if (phy->radio_ver == 0x2050) |
| 1292 | b43_phy_write(dev, 0x002A, 0x88C2); |
| 1293 | b43_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control); |
| 1294 | if (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_RSSI) { |
| 1295 | b43_calc_nrssi_slope(dev); |
| 1296 | b43_calc_nrssi_threshold(dev); |
| 1297 | } |
| 1298 | b43_phy_init_pctl(dev); |
| 1299 | } |
| 1300 | |
| 1301 | static void b43_phy_initb5(struct b43_wldev *dev) |
| 1302 | { |
| 1303 | struct ssb_bus *bus = dev->dev->bus; |
| 1304 | struct b43_phy *phy = &dev->phy; |
| 1305 | u16 offset, value; |
| 1306 | u8 old_channel; |
| 1307 | |
| 1308 | if (phy->analog == 1) { |
| 1309 | b43_radio_write16(dev, 0x007A, b43_radio_read16(dev, 0x007A) |
| 1310 | | 0x0050); |
| 1311 | } |
| 1312 | if ((bus->boardinfo.vendor != SSB_BOARDVENDOR_BCM) && |
| 1313 | (bus->boardinfo.type != SSB_BOARD_BU4306)) { |
| 1314 | value = 0x2120; |
| 1315 | for (offset = 0x00A8; offset < 0x00C7; offset++) { |
| 1316 | b43_phy_write(dev, offset, value); |
| 1317 | value += 0x202; |
| 1318 | } |
| 1319 | } |
| 1320 | b43_phy_write(dev, 0x0035, (b43_phy_read(dev, 0x0035) & 0xF0FF) |
| 1321 | | 0x0700); |
| 1322 | if (phy->radio_ver == 0x2050) |
| 1323 | b43_phy_write(dev, 0x0038, 0x0667); |
| 1324 | |
| 1325 | if (phy->gmode || phy->rev >= 2) { |
| 1326 | if (phy->radio_ver == 0x2050) { |
| 1327 | b43_radio_write16(dev, 0x007A, |
| 1328 | b43_radio_read16(dev, 0x007A) |
| 1329 | | 0x0020); |
| 1330 | b43_radio_write16(dev, 0x0051, |
| 1331 | b43_radio_read16(dev, 0x0051) |
| 1332 | | 0x0004); |
| 1333 | } |
| 1334 | b43_write16(dev, B43_MMIO_PHY_RADIO, 0x0000); |
| 1335 | |
| 1336 | b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x0100); |
| 1337 | b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) | 0x2000); |
| 1338 | |
| 1339 | b43_phy_write(dev, 0x001C, 0x186A); |
| 1340 | |
| 1341 | b43_phy_write(dev, 0x0013, |
| 1342 | (b43_phy_read(dev, 0x0013) & 0x00FF) | 0x1900); |
| 1343 | b43_phy_write(dev, 0x0035, |
| 1344 | (b43_phy_read(dev, 0x0035) & 0xFFC0) | 0x0064); |
| 1345 | b43_phy_write(dev, 0x005D, |
| 1346 | (b43_phy_read(dev, 0x005D) & 0xFF80) | 0x000A); |
| 1347 | } |
| 1348 | |
| 1349 | if (dev->bad_frames_preempt) { |
| 1350 | b43_phy_write(dev, B43_PHY_RADIO_BITFIELD, |
| 1351 | b43_phy_read(dev, |
| 1352 | B43_PHY_RADIO_BITFIELD) | (1 << 11)); |
| 1353 | } |
| 1354 | |
| 1355 | if (phy->analog == 1) { |
| 1356 | b43_phy_write(dev, 0x0026, 0xCE00); |
| 1357 | b43_phy_write(dev, 0x0021, 0x3763); |
| 1358 | b43_phy_write(dev, 0x0022, 0x1BC3); |
| 1359 | b43_phy_write(dev, 0x0023, 0x06F9); |
| 1360 | b43_phy_write(dev, 0x0024, 0x037E); |
| 1361 | } else |
| 1362 | b43_phy_write(dev, 0x0026, 0xCC00); |
| 1363 | b43_phy_write(dev, 0x0030, 0x00C6); |
| 1364 | b43_write16(dev, 0x03EC, 0x3F22); |
| 1365 | |
| 1366 | if (phy->analog == 1) |
| 1367 | b43_phy_write(dev, 0x0020, 0x3E1C); |
| 1368 | else |
| 1369 | b43_phy_write(dev, 0x0020, 0x301C); |
| 1370 | |
| 1371 | if (phy->analog == 0) |
| 1372 | b43_write16(dev, 0x03E4, 0x3000); |
| 1373 | |
| 1374 | old_channel = phy->channel; |
| 1375 | /* Force to channel 7, even if not supported. */ |
| 1376 | b43_radio_selectchannel(dev, 7, 0); |
| 1377 | |
| 1378 | if (phy->radio_ver != 0x2050) { |
| 1379 | b43_radio_write16(dev, 0x0075, 0x0080); |
| 1380 | b43_radio_write16(dev, 0x0079, 0x0081); |
| 1381 | } |
| 1382 | |
| 1383 | b43_radio_write16(dev, 0x0050, 0x0020); |
| 1384 | b43_radio_write16(dev, 0x0050, 0x0023); |
| 1385 | |
| 1386 | if (phy->radio_ver == 0x2050) { |
| 1387 | b43_radio_write16(dev, 0x0050, 0x0020); |
| 1388 | b43_radio_write16(dev, 0x005A, 0x0070); |
| 1389 | } |
| 1390 | |
| 1391 | b43_radio_write16(dev, 0x005B, 0x007B); |
| 1392 | b43_radio_write16(dev, 0x005C, 0x00B0); |
| 1393 | |
| 1394 | b43_radio_write16(dev, 0x007A, b43_radio_read16(dev, 0x007A) | 0x0007); |
| 1395 | |
| 1396 | b43_radio_selectchannel(dev, old_channel, 0); |
| 1397 | |
| 1398 | b43_phy_write(dev, 0x0014, 0x0080); |
| 1399 | b43_phy_write(dev, 0x0032, 0x00CA); |
| 1400 | b43_phy_write(dev, 0x002A, 0x88A3); |
| 1401 | |
| 1402 | b43_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control); |
| 1403 | |
| 1404 | if (phy->radio_ver == 0x2050) |
| 1405 | b43_radio_write16(dev, 0x005D, 0x000D); |
| 1406 | |
| 1407 | b43_write16(dev, 0x03E4, (b43_read16(dev, 0x03E4) & 0xFFC0) | 0x0004); |
| 1408 | } |
| 1409 | |
| 1410 | static void b43_phy_initb6(struct b43_wldev *dev) |
| 1411 | { |
| 1412 | struct b43_phy *phy = &dev->phy; |
| 1413 | u16 offset, val; |
| 1414 | u8 old_channel; |
| 1415 | |
| 1416 | b43_phy_write(dev, 0x003E, 0x817A); |
| 1417 | b43_radio_write16(dev, 0x007A, |
| 1418 | (b43_radio_read16(dev, 0x007A) | 0x0058)); |
| 1419 | if (phy->radio_rev == 4 || phy->radio_rev == 5) { |
| 1420 | b43_radio_write16(dev, 0x51, 0x37); |
| 1421 | b43_radio_write16(dev, 0x52, 0x70); |
| 1422 | b43_radio_write16(dev, 0x53, 0xB3); |
| 1423 | b43_radio_write16(dev, 0x54, 0x9B); |
| 1424 | b43_radio_write16(dev, 0x5A, 0x88); |
| 1425 | b43_radio_write16(dev, 0x5B, 0x88); |
| 1426 | b43_radio_write16(dev, 0x5D, 0x88); |
| 1427 | b43_radio_write16(dev, 0x5E, 0x88); |
| 1428 | b43_radio_write16(dev, 0x7D, 0x88); |
| 1429 | b43_hf_write(dev, b43_hf_read(dev) |
| 1430 | | B43_HF_TSSIRPSMW); |
| 1431 | } |
| 1432 | B43_WARN_ON(phy->radio_rev == 6 || phy->radio_rev == 7); /* We had code for these revs here... */ |
| 1433 | if (phy->radio_rev == 8) { |
| 1434 | b43_radio_write16(dev, 0x51, 0); |
| 1435 | b43_radio_write16(dev, 0x52, 0x40); |
| 1436 | b43_radio_write16(dev, 0x53, 0xB7); |
| 1437 | b43_radio_write16(dev, 0x54, 0x98); |
| 1438 | b43_radio_write16(dev, 0x5A, 0x88); |
| 1439 | b43_radio_write16(dev, 0x5B, 0x6B); |
| 1440 | b43_radio_write16(dev, 0x5C, 0x0F); |
| 1441 | if (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_ALTIQ) { |
| 1442 | b43_radio_write16(dev, 0x5D, 0xFA); |
| 1443 | b43_radio_write16(dev, 0x5E, 0xD8); |
| 1444 | } else { |
| 1445 | b43_radio_write16(dev, 0x5D, 0xF5); |
| 1446 | b43_radio_write16(dev, 0x5E, 0xB8); |
| 1447 | } |
| 1448 | b43_radio_write16(dev, 0x0073, 0x0003); |
| 1449 | b43_radio_write16(dev, 0x007D, 0x00A8); |
| 1450 | b43_radio_write16(dev, 0x007C, 0x0001); |
| 1451 | b43_radio_write16(dev, 0x007E, 0x0008); |
| 1452 | } |
| 1453 | val = 0x1E1F; |
| 1454 | for (offset = 0x0088; offset < 0x0098; offset++) { |
| 1455 | b43_phy_write(dev, offset, val); |
| 1456 | val -= 0x0202; |
| 1457 | } |
| 1458 | val = 0x3E3F; |
| 1459 | for (offset = 0x0098; offset < 0x00A8; offset++) { |
| 1460 | b43_phy_write(dev, offset, val); |
| 1461 | val -= 0x0202; |
| 1462 | } |
| 1463 | val = 0x2120; |
| 1464 | for (offset = 0x00A8; offset < 0x00C8; offset++) { |
| 1465 | b43_phy_write(dev, offset, (val & 0x3F3F)); |
| 1466 | val += 0x0202; |
| 1467 | } |
| 1468 | if (phy->type == B43_PHYTYPE_G) { |
| 1469 | b43_radio_write16(dev, 0x007A, |
| 1470 | b43_radio_read16(dev, 0x007A) | 0x0020); |
| 1471 | b43_radio_write16(dev, 0x0051, |
| 1472 | b43_radio_read16(dev, 0x0051) | 0x0004); |
| 1473 | b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x0100); |
| 1474 | b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) | 0x2000); |
| 1475 | b43_phy_write(dev, 0x5B, 0); |
| 1476 | b43_phy_write(dev, 0x5C, 0); |
| 1477 | } |
| 1478 | |
| 1479 | old_channel = phy->channel; |
| 1480 | if (old_channel >= 8) |
| 1481 | b43_radio_selectchannel(dev, 1, 0); |
| 1482 | else |
| 1483 | b43_radio_selectchannel(dev, 13, 0); |
| 1484 | |
| 1485 | b43_radio_write16(dev, 0x0050, 0x0020); |
| 1486 | b43_radio_write16(dev, 0x0050, 0x0023); |
| 1487 | udelay(40); |
| 1488 | if (phy->radio_rev < 6 || phy->radio_rev == 8) { |
| 1489 | b43_radio_write16(dev, 0x7C, (b43_radio_read16(dev, 0x7C) |
| 1490 | | 0x0002)); |
| 1491 | b43_radio_write16(dev, 0x50, 0x20); |
| 1492 | } |
| 1493 | if (phy->radio_rev <= 2) { |
| 1494 | b43_radio_write16(dev, 0x7C, 0x20); |
| 1495 | b43_radio_write16(dev, 0x5A, 0x70); |
| 1496 | b43_radio_write16(dev, 0x5B, 0x7B); |
| 1497 | b43_radio_write16(dev, 0x5C, 0xB0); |
| 1498 | } |
| 1499 | b43_radio_write16(dev, 0x007A, |
| 1500 | (b43_radio_read16(dev, 0x007A) & 0x00F8) | 0x0007); |
| 1501 | |
| 1502 | b43_radio_selectchannel(dev, old_channel, 0); |
| 1503 | |
| 1504 | b43_phy_write(dev, 0x0014, 0x0200); |
| 1505 | if (phy->radio_rev >= 6) |
| 1506 | b43_phy_write(dev, 0x2A, 0x88C2); |
| 1507 | else |
| 1508 | b43_phy_write(dev, 0x2A, 0x8AC0); |
| 1509 | b43_phy_write(dev, 0x0038, 0x0668); |
| 1510 | b43_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control); |
| 1511 | if (phy->radio_rev <= 5) { |
| 1512 | b43_phy_write(dev, 0x5D, (b43_phy_read(dev, 0x5D) |
| 1513 | & 0xFF80) | 0x0003); |
| 1514 | } |
| 1515 | if (phy->radio_rev <= 2) |
| 1516 | b43_radio_write16(dev, 0x005D, 0x000D); |
| 1517 | |
| 1518 | if (phy->analog == 4) { |
| 1519 | b43_write16(dev, 0x3E4, 9); |
| 1520 | b43_phy_write(dev, 0x61, b43_phy_read(dev, 0x61) |
| 1521 | & 0x0FFF); |
| 1522 | } else { |
| 1523 | b43_phy_write(dev, 0x0002, (b43_phy_read(dev, 0x0002) & 0xFFC0) |
| 1524 | | 0x0004); |
| 1525 | } |
| 1526 | if (phy->type == B43_PHYTYPE_B) { |
| 1527 | b43_write16(dev, 0x03E6, 0x8140); |
| 1528 | b43_phy_write(dev, 0x0016, 0x0410); |
| 1529 | b43_phy_write(dev, 0x0017, 0x0820); |
| 1530 | b43_phy_write(dev, 0x0062, 0x0007); |
| 1531 | b43_radio_init2050(dev); |
| 1532 | b43_lo_g_measure(dev); |
| 1533 | if (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_RSSI) { |
| 1534 | b43_calc_nrssi_slope(dev); |
| 1535 | b43_calc_nrssi_threshold(dev); |
| 1536 | } |
| 1537 | b43_phy_init_pctl(dev); |
| 1538 | } else if (phy->type == B43_PHYTYPE_G) |
| 1539 | b43_write16(dev, 0x03E6, 0x0); |
| 1540 | } |
| 1541 | |
| 1542 | static void b43_calc_loopback_gain(struct b43_wldev *dev) |
| 1543 | { |
| 1544 | struct b43_phy *phy = &dev->phy; |
| 1545 | u16 backup_phy[16] = { 0 }; |
| 1546 | u16 backup_radio[3]; |
| 1547 | u16 backup_bband; |
| 1548 | u16 i, j, loop_i_max; |
| 1549 | u16 trsw_rx; |
| 1550 | u16 loop1_outer_done, loop1_inner_done; |
| 1551 | |
| 1552 | backup_phy[0] = b43_phy_read(dev, B43_PHY_CRS0); |
| 1553 | backup_phy[1] = b43_phy_read(dev, B43_PHY_CCKBBANDCFG); |
| 1554 | backup_phy[2] = b43_phy_read(dev, B43_PHY_RFOVER); |
| 1555 | backup_phy[3] = b43_phy_read(dev, B43_PHY_RFOVERVAL); |
| 1556 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
| 1557 | backup_phy[4] = b43_phy_read(dev, B43_PHY_ANALOGOVER); |
| 1558 | backup_phy[5] = b43_phy_read(dev, B43_PHY_ANALOGOVERVAL); |
| 1559 | } |
| 1560 | backup_phy[6] = b43_phy_read(dev, B43_PHY_BASE(0x5A)); |
| 1561 | backup_phy[7] = b43_phy_read(dev, B43_PHY_BASE(0x59)); |
| 1562 | backup_phy[8] = b43_phy_read(dev, B43_PHY_BASE(0x58)); |
| 1563 | backup_phy[9] = b43_phy_read(dev, B43_PHY_BASE(0x0A)); |
| 1564 | backup_phy[10] = b43_phy_read(dev, B43_PHY_BASE(0x03)); |
| 1565 | backup_phy[11] = b43_phy_read(dev, B43_PHY_LO_MASK); |
| 1566 | backup_phy[12] = b43_phy_read(dev, B43_PHY_LO_CTL); |
| 1567 | backup_phy[13] = b43_phy_read(dev, B43_PHY_BASE(0x2B)); |
| 1568 | backup_phy[14] = b43_phy_read(dev, B43_PHY_PGACTL); |
| 1569 | backup_phy[15] = b43_phy_read(dev, B43_PHY_LO_LEAKAGE); |
| 1570 | backup_bband = phy->bbatt.att; |
| 1571 | backup_radio[0] = b43_radio_read16(dev, 0x52); |
| 1572 | backup_radio[1] = b43_radio_read16(dev, 0x43); |
| 1573 | backup_radio[2] = b43_radio_read16(dev, 0x7A); |
| 1574 | |
| 1575 | b43_phy_write(dev, B43_PHY_CRS0, |
| 1576 | b43_phy_read(dev, B43_PHY_CRS0) & 0x3FFF); |
| 1577 | b43_phy_write(dev, B43_PHY_CCKBBANDCFG, |
| 1578 | b43_phy_read(dev, B43_PHY_CCKBBANDCFG) | 0x8000); |
| 1579 | b43_phy_write(dev, B43_PHY_RFOVER, |
| 1580 | b43_phy_read(dev, B43_PHY_RFOVER) | 0x0002); |
| 1581 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1582 | b43_phy_read(dev, B43_PHY_RFOVERVAL) & 0xFFFD); |
| 1583 | b43_phy_write(dev, B43_PHY_RFOVER, |
| 1584 | b43_phy_read(dev, B43_PHY_RFOVER) | 0x0001); |
| 1585 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1586 | b43_phy_read(dev, B43_PHY_RFOVERVAL) & 0xFFFE); |
| 1587 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
| 1588 | b43_phy_write(dev, B43_PHY_ANALOGOVER, |
| 1589 | b43_phy_read(dev, B43_PHY_ANALOGOVER) | 0x0001); |
| 1590 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, |
| 1591 | b43_phy_read(dev, |
| 1592 | B43_PHY_ANALOGOVERVAL) & 0xFFFE); |
| 1593 | b43_phy_write(dev, B43_PHY_ANALOGOVER, |
| 1594 | b43_phy_read(dev, B43_PHY_ANALOGOVER) | 0x0002); |
| 1595 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, |
| 1596 | b43_phy_read(dev, |
| 1597 | B43_PHY_ANALOGOVERVAL) & 0xFFFD); |
| 1598 | } |
| 1599 | b43_phy_write(dev, B43_PHY_RFOVER, |
| 1600 | b43_phy_read(dev, B43_PHY_RFOVER) | 0x000C); |
| 1601 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1602 | b43_phy_read(dev, B43_PHY_RFOVERVAL) | 0x000C); |
| 1603 | b43_phy_write(dev, B43_PHY_RFOVER, |
| 1604 | b43_phy_read(dev, B43_PHY_RFOVER) | 0x0030); |
| 1605 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1606 | (b43_phy_read(dev, B43_PHY_RFOVERVAL) |
| 1607 | & 0xFFCF) | 0x10); |
| 1608 | |
| 1609 | b43_phy_write(dev, B43_PHY_BASE(0x5A), 0x0780); |
| 1610 | b43_phy_write(dev, B43_PHY_BASE(0x59), 0xC810); |
| 1611 | b43_phy_write(dev, B43_PHY_BASE(0x58), 0x000D); |
| 1612 | |
| 1613 | b43_phy_write(dev, B43_PHY_BASE(0x0A), |
| 1614 | b43_phy_read(dev, B43_PHY_BASE(0x0A)) | 0x2000); |
| 1615 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
| 1616 | b43_phy_write(dev, B43_PHY_ANALOGOVER, |
| 1617 | b43_phy_read(dev, B43_PHY_ANALOGOVER) | 0x0004); |
| 1618 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, |
| 1619 | b43_phy_read(dev, |
| 1620 | B43_PHY_ANALOGOVERVAL) & 0xFFFB); |
| 1621 | } |
| 1622 | b43_phy_write(dev, B43_PHY_BASE(0x03), |
| 1623 | (b43_phy_read(dev, B43_PHY_BASE(0x03)) |
| 1624 | & 0xFF9F) | 0x40); |
| 1625 | |
| 1626 | if (phy->radio_rev == 8) { |
| 1627 | b43_radio_write16(dev, 0x43, 0x000F); |
| 1628 | } else { |
| 1629 | b43_radio_write16(dev, 0x52, 0); |
| 1630 | b43_radio_write16(dev, 0x43, (b43_radio_read16(dev, 0x43) |
| 1631 | & 0xFFF0) | 0x9); |
| 1632 | } |
| 1633 | b43_phy_set_baseband_attenuation(dev, 11); |
| 1634 | |
| 1635 | if (phy->rev >= 3) |
| 1636 | b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020); |
| 1637 | else |
| 1638 | b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020); |
| 1639 | b43_phy_write(dev, B43_PHY_LO_CTL, 0); |
| 1640 | |
| 1641 | b43_phy_write(dev, B43_PHY_BASE(0x2B), |
| 1642 | (b43_phy_read(dev, B43_PHY_BASE(0x2B)) |
| 1643 | & 0xFFC0) | 0x01); |
| 1644 | b43_phy_write(dev, B43_PHY_BASE(0x2B), |
| 1645 | (b43_phy_read(dev, B43_PHY_BASE(0x2B)) |
| 1646 | & 0xC0FF) | 0x800); |
| 1647 | |
| 1648 | b43_phy_write(dev, B43_PHY_RFOVER, |
| 1649 | b43_phy_read(dev, B43_PHY_RFOVER) | 0x0100); |
| 1650 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1651 | b43_phy_read(dev, B43_PHY_RFOVERVAL) & 0xCFFF); |
| 1652 | |
| 1653 | if (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_EXTLNA) { |
| 1654 | if (phy->rev >= 7) { |
| 1655 | b43_phy_write(dev, B43_PHY_RFOVER, |
| 1656 | b43_phy_read(dev, B43_PHY_RFOVER) |
| 1657 | | 0x0800); |
| 1658 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1659 | b43_phy_read(dev, B43_PHY_RFOVERVAL) |
| 1660 | | 0x8000); |
| 1661 | } |
| 1662 | } |
| 1663 | b43_radio_write16(dev, 0x7A, b43_radio_read16(dev, 0x7A) |
| 1664 | & 0x00F7); |
| 1665 | |
| 1666 | j = 0; |
| 1667 | loop_i_max = (phy->radio_rev == 8) ? 15 : 9; |
| 1668 | for (i = 0; i < loop_i_max; i++) { |
| 1669 | for (j = 0; j < 16; j++) { |
| 1670 | b43_radio_write16(dev, 0x43, i); |
| 1671 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1672 | (b43_phy_read(dev, B43_PHY_RFOVERVAL) |
| 1673 | & 0xF0FF) | (j << 8)); |
| 1674 | b43_phy_write(dev, B43_PHY_PGACTL, |
| 1675 | (b43_phy_read(dev, B43_PHY_PGACTL) |
| 1676 | & 0x0FFF) | 0xA000); |
| 1677 | b43_phy_write(dev, B43_PHY_PGACTL, |
| 1678 | b43_phy_read(dev, B43_PHY_PGACTL) |
| 1679 | | 0xF000); |
| 1680 | udelay(20); |
| 1681 | if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC) |
| 1682 | goto exit_loop1; |
| 1683 | } |
| 1684 | } |
| 1685 | exit_loop1: |
| 1686 | loop1_outer_done = i; |
| 1687 | loop1_inner_done = j; |
| 1688 | if (j >= 8) { |
| 1689 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1690 | b43_phy_read(dev, B43_PHY_RFOVERVAL) |
| 1691 | | 0x30); |
| 1692 | trsw_rx = 0x1B; |
| 1693 | for (j = j - 8; j < 16; j++) { |
| 1694 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1695 | (b43_phy_read(dev, B43_PHY_RFOVERVAL) |
| 1696 | & 0xF0FF) | (j << 8)); |
| 1697 | b43_phy_write(dev, B43_PHY_PGACTL, |
| 1698 | (b43_phy_read(dev, B43_PHY_PGACTL) |
| 1699 | & 0x0FFF) | 0xA000); |
| 1700 | b43_phy_write(dev, B43_PHY_PGACTL, |
| 1701 | b43_phy_read(dev, B43_PHY_PGACTL) |
| 1702 | | 0xF000); |
| 1703 | udelay(20); |
| 1704 | trsw_rx -= 3; |
| 1705 | if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC) |
| 1706 | goto exit_loop2; |
| 1707 | } |
| 1708 | } else |
| 1709 | trsw_rx = 0x18; |
| 1710 | exit_loop2: |
| 1711 | |
| 1712 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
| 1713 | b43_phy_write(dev, B43_PHY_ANALOGOVER, backup_phy[4]); |
| 1714 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, backup_phy[5]); |
| 1715 | } |
| 1716 | b43_phy_write(dev, B43_PHY_BASE(0x5A), backup_phy[6]); |
| 1717 | b43_phy_write(dev, B43_PHY_BASE(0x59), backup_phy[7]); |
| 1718 | b43_phy_write(dev, B43_PHY_BASE(0x58), backup_phy[8]); |
| 1719 | b43_phy_write(dev, B43_PHY_BASE(0x0A), backup_phy[9]); |
| 1720 | b43_phy_write(dev, B43_PHY_BASE(0x03), backup_phy[10]); |
| 1721 | b43_phy_write(dev, B43_PHY_LO_MASK, backup_phy[11]); |
| 1722 | b43_phy_write(dev, B43_PHY_LO_CTL, backup_phy[12]); |
| 1723 | b43_phy_write(dev, B43_PHY_BASE(0x2B), backup_phy[13]); |
| 1724 | b43_phy_write(dev, B43_PHY_PGACTL, backup_phy[14]); |
| 1725 | |
| 1726 | b43_phy_set_baseband_attenuation(dev, backup_bband); |
| 1727 | |
| 1728 | b43_radio_write16(dev, 0x52, backup_radio[0]); |
| 1729 | b43_radio_write16(dev, 0x43, backup_radio[1]); |
| 1730 | b43_radio_write16(dev, 0x7A, backup_radio[2]); |
| 1731 | |
| 1732 | b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2] | 0x0003); |
| 1733 | udelay(10); |
| 1734 | b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2]); |
| 1735 | b43_phy_write(dev, B43_PHY_RFOVERVAL, backup_phy[3]); |
| 1736 | b43_phy_write(dev, B43_PHY_CRS0, backup_phy[0]); |
| 1737 | b43_phy_write(dev, B43_PHY_CCKBBANDCFG, backup_phy[1]); |
| 1738 | |
| 1739 | phy->max_lb_gain = |
| 1740 | ((loop1_inner_done * 6) - (loop1_outer_done * 4)) - 11; |
| 1741 | phy->trsw_rx_gain = trsw_rx * 2; |
| 1742 | } |
| 1743 | |
| 1744 | static void b43_phy_initg(struct b43_wldev *dev) |
| 1745 | { |
| 1746 | struct b43_phy *phy = &dev->phy; |
| 1747 | u16 tmp; |
| 1748 | |
| 1749 | if (phy->rev == 1) |
| 1750 | b43_phy_initb5(dev); |
| 1751 | else |
| 1752 | b43_phy_initb6(dev); |
| 1753 | |
| 1754 | if (phy->rev >= 2 || phy->gmode) |
| 1755 | b43_phy_inita(dev); |
| 1756 | |
| 1757 | if (phy->rev >= 2) { |
| 1758 | b43_phy_write(dev, B43_PHY_ANALOGOVER, 0); |
| 1759 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, 0); |
| 1760 | } |
| 1761 | if (phy->rev == 2) { |
| 1762 | b43_phy_write(dev, B43_PHY_RFOVER, 0); |
| 1763 | b43_phy_write(dev, B43_PHY_PGACTL, 0xC0); |
| 1764 | } |
| 1765 | if (phy->rev > 5) { |
| 1766 | b43_phy_write(dev, B43_PHY_RFOVER, 0x400); |
| 1767 | b43_phy_write(dev, B43_PHY_PGACTL, 0xC0); |
| 1768 | } |
| 1769 | if (phy->gmode || phy->rev >= 2) { |
| 1770 | tmp = b43_phy_read(dev, B43_PHY_VERSION_OFDM); |
| 1771 | tmp &= B43_PHYVER_VERSION; |
| 1772 | if (tmp == 3 || tmp == 5) { |
| 1773 | b43_phy_write(dev, B43_PHY_OFDM(0xC2), 0x1816); |
| 1774 | b43_phy_write(dev, B43_PHY_OFDM(0xC3), 0x8006); |
| 1775 | } |
| 1776 | if (tmp == 5) { |
| 1777 | b43_phy_write(dev, B43_PHY_OFDM(0xCC), |
| 1778 | (b43_phy_read(dev, B43_PHY_OFDM(0xCC)) |
| 1779 | & 0x00FF) | 0x1F00); |
| 1780 | } |
| 1781 | } |
| 1782 | if ((phy->rev <= 2 && phy->gmode) || phy->rev >= 2) |
| 1783 | b43_phy_write(dev, B43_PHY_OFDM(0x7E), 0x78); |
| 1784 | if (phy->radio_rev == 8) { |
| 1785 | b43_phy_write(dev, B43_PHY_EXTG(0x01), |
| 1786 | b43_phy_read(dev, B43_PHY_EXTG(0x01)) |
| 1787 | | 0x80); |
| 1788 | b43_phy_write(dev, B43_PHY_OFDM(0x3E), |
| 1789 | b43_phy_read(dev, B43_PHY_OFDM(0x3E)) |
| 1790 | | 0x4); |
| 1791 | } |
| 1792 | if (has_loopback_gain(phy)) |
| 1793 | b43_calc_loopback_gain(dev); |
| 1794 | |
| 1795 | if (phy->radio_rev != 8) { |
| 1796 | if (phy->initval == 0xFFFF) |
| 1797 | phy->initval = b43_radio_init2050(dev); |
| 1798 | else |
| 1799 | b43_radio_write16(dev, 0x0078, phy->initval); |
| 1800 | } |
| 1801 | if (phy->lo_control->tx_bias == 0xFF) { |
| 1802 | b43_lo_g_measure(dev); |
| 1803 | } else { |
| 1804 | if (has_tx_magnification(phy)) { |
| 1805 | b43_radio_write16(dev, 0x52, |
| 1806 | (b43_radio_read16(dev, 0x52) & 0xFF00) |
| 1807 | | phy->lo_control->tx_bias | phy-> |
| 1808 | lo_control->tx_magn); |
| 1809 | } else { |
| 1810 | b43_radio_write16(dev, 0x52, |
| 1811 | (b43_radio_read16(dev, 0x52) & 0xFFF0) |
| 1812 | | phy->lo_control->tx_bias); |
| 1813 | } |
| 1814 | if (phy->rev >= 6) { |
| 1815 | b43_phy_write(dev, B43_PHY_BASE(0x36), |
| 1816 | (b43_phy_read(dev, B43_PHY_BASE(0x36)) |
| 1817 | & 0x0FFF) | (phy->lo_control-> |
| 1818 | tx_bias << 12)); |
| 1819 | } |
| 1820 | if (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_PACTRL) |
| 1821 | b43_phy_write(dev, B43_PHY_BASE(0x2E), 0x8075); |
| 1822 | else |
| 1823 | b43_phy_write(dev, B43_PHY_BASE(0x2E), 0x807F); |
| 1824 | if (phy->rev < 2) |
| 1825 | b43_phy_write(dev, B43_PHY_BASE(0x2F), 0x101); |
| 1826 | else |
| 1827 | b43_phy_write(dev, B43_PHY_BASE(0x2F), 0x202); |
| 1828 | } |
| 1829 | if (phy->gmode || phy->rev >= 2) { |
| 1830 | b43_lo_g_adjust(dev); |
| 1831 | b43_phy_write(dev, B43_PHY_LO_MASK, 0x8078); |
| 1832 | } |
| 1833 | |
| 1834 | if (!(dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_RSSI)) { |
| 1835 | /* The specs state to update the NRSSI LT with |
| 1836 | * the value 0x7FFFFFFF here. I think that is some weird |
| 1837 | * compiler optimization in the original driver. |
| 1838 | * Essentially, what we do here is resetting all NRSSI LT |
| 1839 | * entries to -32 (see the limit_value() in nrssi_hw_update()) |
| 1840 | */ |
| 1841 | b43_nrssi_hw_update(dev, 0xFFFF); //FIXME? |
| 1842 | b43_calc_nrssi_threshold(dev); |
| 1843 | } else if (phy->gmode || phy->rev >= 2) { |
| 1844 | if (phy->nrssi[0] == -1000) { |
| 1845 | B43_WARN_ON(phy->nrssi[1] != -1000); |
| 1846 | b43_calc_nrssi_slope(dev); |
| 1847 | } else |
| 1848 | b43_calc_nrssi_threshold(dev); |
| 1849 | } |
| 1850 | if (phy->radio_rev == 8) |
| 1851 | b43_phy_write(dev, B43_PHY_EXTG(0x05), 0x3230); |
| 1852 | b43_phy_init_pctl(dev); |
| 1853 | /* FIXME: The spec says in the following if, the 0 should be replaced |
| 1854 | 'if OFDM may not be used in the current locale' |
| 1855 | but OFDM is legal everywhere */ |
| 1856 | if ((dev->dev->bus->chip_id == 0x4306 |
| 1857 | && dev->dev->bus->chip_package == 2) || 0) { |
| 1858 | b43_phy_write(dev, B43_PHY_CRS0, b43_phy_read(dev, B43_PHY_CRS0) |
| 1859 | & 0xBFFF); |
| 1860 | b43_phy_write(dev, B43_PHY_OFDM(0xC3), |
| 1861 | b43_phy_read(dev, B43_PHY_OFDM(0xC3)) |
| 1862 | & 0x7FFF); |
| 1863 | } |
| 1864 | } |
| 1865 | |
| 1866 | /* Set the baseband attenuation value on chip. */ |
| 1867 | void b43_phy_set_baseband_attenuation(struct b43_wldev *dev, |
| 1868 | u16 baseband_attenuation) |
| 1869 | { |
| 1870 | struct b43_phy *phy = &dev->phy; |
| 1871 | |
| 1872 | if (phy->analog == 0) { |
| 1873 | b43_write16(dev, B43_MMIO_PHY0, (b43_read16(dev, B43_MMIO_PHY0) |
| 1874 | & 0xFFF0) | |
| 1875 | baseband_attenuation); |
| 1876 | } else if (phy->analog > 1) { |
| 1877 | b43_phy_write(dev, B43_PHY_DACCTL, |
| 1878 | (b43_phy_read(dev, B43_PHY_DACCTL) |
| 1879 | & 0xFFC3) | (baseband_attenuation << 2)); |
| 1880 | } else { |
| 1881 | b43_phy_write(dev, B43_PHY_DACCTL, |
| 1882 | (b43_phy_read(dev, B43_PHY_DACCTL) |
| 1883 | & 0xFF87) | (baseband_attenuation << 3)); |
| 1884 | } |
| 1885 | } |
| 1886 | |
| 1887 | /* http://bcm-specs.sipsolutions.net/EstimatePowerOut |
| 1888 | * This function converts a TSSI value to dBm in Q5.2 |
| 1889 | */ |
| 1890 | static s8 b43_phy_estimate_power_out(struct b43_wldev *dev, s8 tssi) |
| 1891 | { |
| 1892 | struct b43_phy *phy = &dev->phy; |
| 1893 | s8 dbm = 0; |
| 1894 | s32 tmp; |
| 1895 | |
| 1896 | tmp = (phy->tgt_idle_tssi - phy->cur_idle_tssi + tssi); |
| 1897 | |
| 1898 | switch (phy->type) { |
| 1899 | case B43_PHYTYPE_A: |
| 1900 | tmp += 0x80; |
| 1901 | tmp = limit_value(tmp, 0x00, 0xFF); |
| 1902 | dbm = phy->tssi2dbm[tmp]; |
| 1903 | //TODO: There's a FIXME on the specs |
| 1904 | break; |
| 1905 | case B43_PHYTYPE_B: |
| 1906 | case B43_PHYTYPE_G: |
| 1907 | tmp = limit_value(tmp, 0x00, 0x3F); |
| 1908 | dbm = phy->tssi2dbm[tmp]; |
| 1909 | break; |
| 1910 | default: |
| 1911 | B43_WARN_ON(1); |
| 1912 | } |
| 1913 | |
| 1914 | return dbm; |
| 1915 | } |
| 1916 | |
| 1917 | void b43_put_attenuation_into_ranges(struct b43_wldev *dev, |
| 1918 | int *_bbatt, int *_rfatt) |
| 1919 | { |
| 1920 | int rfatt = *_rfatt; |
| 1921 | int bbatt = *_bbatt; |
| 1922 | struct b43_txpower_lo_control *lo = dev->phy.lo_control; |
| 1923 | |
| 1924 | /* Get baseband and radio attenuation values into their permitted ranges. |
| 1925 | * Radio attenuation affects power level 4 times as much as baseband. */ |
| 1926 | |
| 1927 | /* Range constants */ |
| 1928 | const int rf_min = lo->rfatt_list.min_val; |
| 1929 | const int rf_max = lo->rfatt_list.max_val; |
| 1930 | const int bb_min = lo->bbatt_list.min_val; |
| 1931 | const int bb_max = lo->bbatt_list.max_val; |
| 1932 | |
| 1933 | while (1) { |
| 1934 | if (rfatt > rf_max && bbatt > bb_max - 4) |
| 1935 | break; /* Can not get it into ranges */ |
| 1936 | if (rfatt < rf_min && bbatt < bb_min + 4) |
| 1937 | break; /* Can not get it into ranges */ |
| 1938 | if (bbatt > bb_max && rfatt > rf_max - 1) |
| 1939 | break; /* Can not get it into ranges */ |
| 1940 | if (bbatt < bb_min && rfatt < rf_min + 1) |
| 1941 | break; /* Can not get it into ranges */ |
| 1942 | |
| 1943 | if (bbatt > bb_max) { |
| 1944 | bbatt -= 4; |
| 1945 | rfatt += 1; |
| 1946 | continue; |
| 1947 | } |
| 1948 | if (bbatt < bb_min) { |
| 1949 | bbatt += 4; |
| 1950 | rfatt -= 1; |
| 1951 | continue; |
| 1952 | } |
| 1953 | if (rfatt > rf_max) { |
| 1954 | rfatt -= 1; |
| 1955 | bbatt += 4; |
| 1956 | continue; |
| 1957 | } |
| 1958 | if (rfatt < rf_min) { |
| 1959 | rfatt += 1; |
| 1960 | bbatt -= 4; |
| 1961 | continue; |
| 1962 | } |
| 1963 | break; |
| 1964 | } |
| 1965 | |
| 1966 | *_rfatt = limit_value(rfatt, rf_min, rf_max); |
| 1967 | *_bbatt = limit_value(bbatt, bb_min, bb_max); |
| 1968 | } |
| 1969 | |
| 1970 | /* http://bcm-specs.sipsolutions.net/RecalculateTransmissionPower */ |
| 1971 | void b43_phy_xmitpower(struct b43_wldev *dev) |
| 1972 | { |
| 1973 | struct ssb_bus *bus = dev->dev->bus; |
| 1974 | struct b43_phy *phy = &dev->phy; |
| 1975 | |
| 1976 | if (phy->cur_idle_tssi == 0) |
| 1977 | return; |
| 1978 | if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) && |
| 1979 | (bus->boardinfo.type == SSB_BOARD_BU4306)) |
| 1980 | return; |
| 1981 | #ifdef CONFIG_B43_DEBUG |
| 1982 | if (phy->manual_txpower_control) |
| 1983 | return; |
| 1984 | #endif |
| 1985 | |
| 1986 | switch (phy->type) { |
| 1987 | case B43_PHYTYPE_A:{ |
| 1988 | |
| 1989 | //TODO: Nothing for A PHYs yet :-/ |
| 1990 | |
| 1991 | break; |
| 1992 | } |
| 1993 | case B43_PHYTYPE_B: |
| 1994 | case B43_PHYTYPE_G:{ |
| 1995 | u16 tmp; |
| 1996 | s8 v0, v1, v2, v3; |
| 1997 | s8 average; |
| 1998 | int max_pwr; |
| 1999 | int desired_pwr, estimated_pwr, pwr_adjust; |
| 2000 | int rfatt_delta, bbatt_delta; |
| 2001 | int rfatt, bbatt; |
| 2002 | u8 tx_control; |
| 2003 | unsigned long phylock_flags; |
| 2004 | |
| 2005 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, 0x0058); |
| 2006 | v0 = (s8) (tmp & 0x00FF); |
| 2007 | v1 = (s8) ((tmp & 0xFF00) >> 8); |
| 2008 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, 0x005A); |
| 2009 | v2 = (s8) (tmp & 0x00FF); |
| 2010 | v3 = (s8) ((tmp & 0xFF00) >> 8); |
| 2011 | tmp = 0; |
| 2012 | |
| 2013 | if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F |
| 2014 | || v3 == 0x7F) { |
| 2015 | tmp = |
| 2016 | b43_shm_read16(dev, B43_SHM_SHARED, 0x0070); |
| 2017 | v0 = (s8) (tmp & 0x00FF); |
| 2018 | v1 = (s8) ((tmp & 0xFF00) >> 8); |
| 2019 | tmp = |
| 2020 | b43_shm_read16(dev, B43_SHM_SHARED, 0x0072); |
| 2021 | v2 = (s8) (tmp & 0x00FF); |
| 2022 | v3 = (s8) ((tmp & 0xFF00) >> 8); |
| 2023 | if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F |
| 2024 | || v3 == 0x7F) |
| 2025 | return; |
| 2026 | v0 = (v0 + 0x20) & 0x3F; |
| 2027 | v1 = (v1 + 0x20) & 0x3F; |
| 2028 | v2 = (v2 + 0x20) & 0x3F; |
| 2029 | v3 = (v3 + 0x20) & 0x3F; |
| 2030 | tmp = 1; |
| 2031 | } |
| 2032 | b43_shm_clear_tssi(dev); |
| 2033 | |
| 2034 | average = (v0 + v1 + v2 + v3 + 2) / 4; |
| 2035 | |
| 2036 | if (tmp |
| 2037 | && (b43_shm_read16(dev, B43_SHM_SHARED, 0x005E) & |
| 2038 | 0x8)) |
| 2039 | average -= 13; |
| 2040 | |
| 2041 | estimated_pwr = |
| 2042 | b43_phy_estimate_power_out(dev, average); |
| 2043 | |
| 2044 | max_pwr = dev->dev->bus->sprom.r1.maxpwr_bg; |
| 2045 | if ((dev->dev->bus->sprom.r1. |
| 2046 | boardflags_lo & B43_BFL_PACTRL) |
| 2047 | && (phy->type == B43_PHYTYPE_G)) |
| 2048 | max_pwr -= 0x3; |
| 2049 | if (unlikely(max_pwr <= 0)) { |
| 2050 | b43warn(dev->wl, |
| 2051 | "Invalid max-TX-power value in SPROM.\n"); |
| 2052 | max_pwr = 60; /* fake it */ |
| 2053 | dev->dev->bus->sprom.r1.maxpwr_bg = max_pwr; |
| 2054 | } |
| 2055 | |
| 2056 | /*TODO: |
| 2057 | max_pwr = min(REG - dev->dev->bus->sprom.antennagain_bgphy - 0x6, max_pwr) |
| 2058 | where REG is the max power as per the regulatory domain |
| 2059 | */ |
| 2060 | |
| 2061 | /* Get desired power (in Q5.2) */ |
| 2062 | desired_pwr = INT_TO_Q52(phy->power_level); |
| 2063 | /* And limit it. max_pwr already is Q5.2 */ |
| 2064 | desired_pwr = limit_value(desired_pwr, 0, max_pwr); |
| 2065 | if (b43_debug(dev, B43_DBG_XMITPOWER)) { |
| 2066 | b43dbg(dev->wl, |
| 2067 | "Current TX power output: " Q52_FMT |
| 2068 | " dBm, " "Desired TX power output: " |
| 2069 | Q52_FMT " dBm\n", Q52_ARG(estimated_pwr), |
| 2070 | Q52_ARG(desired_pwr)); |
| 2071 | } |
| 2072 | |
| 2073 | /* Calculate the adjustment delta. */ |
| 2074 | pwr_adjust = desired_pwr - estimated_pwr; |
| 2075 | |
| 2076 | /* RF attenuation delta. */ |
| 2077 | rfatt_delta = ((pwr_adjust + 7) / 8); |
| 2078 | /* Lower attenuation => Bigger power output. Negate it. */ |
| 2079 | rfatt_delta = -rfatt_delta; |
| 2080 | |
| 2081 | /* Baseband attenuation delta. */ |
| 2082 | bbatt_delta = pwr_adjust / 2; |
| 2083 | /* Lower attenuation => Bigger power output. Negate it. */ |
| 2084 | bbatt_delta = -bbatt_delta; |
| 2085 | /* RF att affects power level 4 times as much as |
| 2086 | * Baseband attennuation. Subtract it. */ |
| 2087 | bbatt_delta -= 4 * rfatt_delta; |
| 2088 | |
| 2089 | /* So do we finally need to adjust something? */ |
| 2090 | if ((rfatt_delta == 0) && (bbatt_delta == 0)) { |
| 2091 | b43_lo_g_ctl_mark_cur_used(dev); |
| 2092 | return; |
| 2093 | } |
| 2094 | |
| 2095 | /* Calculate the new attenuation values. */ |
| 2096 | bbatt = phy->bbatt.att; |
| 2097 | bbatt += bbatt_delta; |
| 2098 | rfatt = phy->rfatt.att; |
| 2099 | rfatt += rfatt_delta; |
| 2100 | |
| 2101 | b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt); |
| 2102 | tx_control = phy->tx_control; |
| 2103 | if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 2)) { |
| 2104 | if (rfatt <= 1) { |
| 2105 | if (tx_control == 0) { |
| 2106 | tx_control = |
| 2107 | B43_TXCTL_PA2DB | |
| 2108 | B43_TXCTL_TXMIX; |
| 2109 | rfatt += 2; |
| 2110 | bbatt += 2; |
| 2111 | } else if (dev->dev->bus->sprom.r1. |
| 2112 | boardflags_lo & |
| 2113 | B43_BFL_PACTRL) { |
| 2114 | bbatt += 4 * (rfatt - 2); |
| 2115 | rfatt = 2; |
| 2116 | } |
| 2117 | } else if (rfatt > 4 && tx_control) { |
| 2118 | tx_control = 0; |
| 2119 | if (bbatt < 3) { |
| 2120 | rfatt -= 3; |
| 2121 | bbatt += 2; |
| 2122 | } else { |
| 2123 | rfatt -= 2; |
| 2124 | bbatt -= 2; |
| 2125 | } |
| 2126 | } |
| 2127 | } |
| 2128 | /* Save the control values */ |
| 2129 | phy->tx_control = tx_control; |
| 2130 | b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt); |
| 2131 | phy->rfatt.att = rfatt; |
| 2132 | phy->bbatt.att = bbatt; |
| 2133 | |
| 2134 | /* Adjust the hardware */ |
| 2135 | b43_phy_lock(dev, phylock_flags); |
| 2136 | b43_radio_lock(dev); |
| 2137 | b43_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, |
| 2138 | phy->tx_control); |
| 2139 | b43_lo_g_ctl_mark_cur_used(dev); |
| 2140 | b43_radio_unlock(dev); |
| 2141 | b43_phy_unlock(dev, phylock_flags); |
| 2142 | break; |
| 2143 | } |
| 2144 | default: |
| 2145 | B43_WARN_ON(1); |
| 2146 | } |
| 2147 | } |
| 2148 | |
| 2149 | static inline s32 b43_tssi2dbm_ad(s32 num, s32 den) |
| 2150 | { |
| 2151 | if (num < 0) |
| 2152 | return num / den; |
| 2153 | else |
| 2154 | return (num + den / 2) / den; |
| 2155 | } |
| 2156 | |
| 2157 | static inline |
| 2158 | s8 b43_tssi2dbm_entry(s8 entry[], u8 index, s16 pab0, s16 pab1, s16 pab2) |
| 2159 | { |
| 2160 | s32 m1, m2, f = 256, q, delta; |
| 2161 | s8 i = 0; |
| 2162 | |
| 2163 | m1 = b43_tssi2dbm_ad(16 * pab0 + index * pab1, 32); |
| 2164 | m2 = max(b43_tssi2dbm_ad(32768 + index * pab2, 256), 1); |
| 2165 | do { |
| 2166 | if (i > 15) |
| 2167 | return -EINVAL; |
| 2168 | q = b43_tssi2dbm_ad(f * 4096 - |
| 2169 | b43_tssi2dbm_ad(m2 * f, 16) * f, 2048); |
| 2170 | delta = abs(q - f); |
| 2171 | f = q; |
| 2172 | i++; |
| 2173 | } while (delta >= 2); |
| 2174 | entry[index] = limit_value(b43_tssi2dbm_ad(m1 * f, 8192), -127, 128); |
| 2175 | return 0; |
| 2176 | } |
| 2177 | |
| 2178 | /* http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table */ |
| 2179 | int b43_phy_init_tssi2dbm_table(struct b43_wldev *dev) |
| 2180 | { |
| 2181 | struct b43_phy *phy = &dev->phy; |
| 2182 | s16 pab0, pab1, pab2; |
| 2183 | u8 idx; |
| 2184 | s8 *dyn_tssi2dbm; |
| 2185 | |
| 2186 | if (phy->type == B43_PHYTYPE_A) { |
| 2187 | pab0 = (s16) (dev->dev->bus->sprom.r1.pa1b0); |
| 2188 | pab1 = (s16) (dev->dev->bus->sprom.r1.pa1b1); |
| 2189 | pab2 = (s16) (dev->dev->bus->sprom.r1.pa1b2); |
| 2190 | } else { |
| 2191 | pab0 = (s16) (dev->dev->bus->sprom.r1.pa0b0); |
| 2192 | pab1 = (s16) (dev->dev->bus->sprom.r1.pa0b1); |
| 2193 | pab2 = (s16) (dev->dev->bus->sprom.r1.pa0b2); |
| 2194 | } |
| 2195 | |
| 2196 | if ((dev->dev->bus->chip_id == 0x4301) && (phy->radio_ver != 0x2050)) { |
| 2197 | phy->tgt_idle_tssi = 0x34; |
| 2198 | phy->tssi2dbm = b43_tssi2dbm_b_table; |
| 2199 | return 0; |
| 2200 | } |
| 2201 | |
| 2202 | if (pab0 != 0 && pab1 != 0 && pab2 != 0 && |
| 2203 | pab0 != -1 && pab1 != -1 && pab2 != -1) { |
| 2204 | /* The pabX values are set in SPROM. Use them. */ |
| 2205 | if (phy->type == B43_PHYTYPE_A) { |
| 2206 | if ((s8) dev->dev->bus->sprom.r1.itssi_a != 0 && |
| 2207 | (s8) dev->dev->bus->sprom.r1.itssi_a != -1) |
| 2208 | phy->tgt_idle_tssi = |
| 2209 | (s8) (dev->dev->bus->sprom.r1.itssi_a); |
| 2210 | else |
| 2211 | phy->tgt_idle_tssi = 62; |
| 2212 | } else { |
| 2213 | if ((s8) dev->dev->bus->sprom.r1.itssi_bg != 0 && |
| 2214 | (s8) dev->dev->bus->sprom.r1.itssi_bg != -1) |
| 2215 | phy->tgt_idle_tssi = |
| 2216 | (s8) (dev->dev->bus->sprom.r1.itssi_bg); |
| 2217 | else |
| 2218 | phy->tgt_idle_tssi = 62; |
| 2219 | } |
| 2220 | dyn_tssi2dbm = kmalloc(64, GFP_KERNEL); |
| 2221 | if (dyn_tssi2dbm == NULL) { |
| 2222 | b43err(dev->wl, "Could not allocate memory" |
| 2223 | "for tssi2dbm table\n"); |
| 2224 | return -ENOMEM; |
| 2225 | } |
| 2226 | for (idx = 0; idx < 64; idx++) |
| 2227 | if (b43_tssi2dbm_entry |
| 2228 | (dyn_tssi2dbm, idx, pab0, pab1, pab2)) { |
| 2229 | phy->tssi2dbm = NULL; |
| 2230 | b43err(dev->wl, "Could not generate " |
| 2231 | "tssi2dBm table\n"); |
| 2232 | kfree(dyn_tssi2dbm); |
| 2233 | return -ENODEV; |
| 2234 | } |
| 2235 | phy->tssi2dbm = dyn_tssi2dbm; |
| 2236 | phy->dyn_tssi_tbl = 1; |
| 2237 | } else { |
| 2238 | /* pabX values not set in SPROM. */ |
| 2239 | switch (phy->type) { |
| 2240 | case B43_PHYTYPE_A: |
| 2241 | /* APHY needs a generated table. */ |
| 2242 | phy->tssi2dbm = NULL; |
| 2243 | b43err(dev->wl, "Could not generate tssi2dBm " |
| 2244 | "table (wrong SPROM info)!\n"); |
| 2245 | return -ENODEV; |
| 2246 | case B43_PHYTYPE_B: |
| 2247 | phy->tgt_idle_tssi = 0x34; |
| 2248 | phy->tssi2dbm = b43_tssi2dbm_b_table; |
| 2249 | break; |
| 2250 | case B43_PHYTYPE_G: |
| 2251 | phy->tgt_idle_tssi = 0x34; |
| 2252 | phy->tssi2dbm = b43_tssi2dbm_g_table; |
| 2253 | break; |
| 2254 | } |
| 2255 | } |
| 2256 | |
| 2257 | return 0; |
| 2258 | } |
| 2259 | |
| 2260 | int b43_phy_init(struct b43_wldev *dev) |
| 2261 | { |
| 2262 | struct b43_phy *phy = &dev->phy; |
| 2263 | int err = -ENODEV; |
| 2264 | |
| 2265 | switch (phy->type) { |
| 2266 | case B43_PHYTYPE_A: |
| 2267 | if (phy->rev == 2 || phy->rev == 3) { |
| 2268 | b43_phy_inita(dev); |
| 2269 | err = 0; |
| 2270 | } |
| 2271 | break; |
| 2272 | case B43_PHYTYPE_B: |
| 2273 | switch (phy->rev) { |
| 2274 | case 2: |
| 2275 | b43_phy_initb2(dev); |
| 2276 | err = 0; |
| 2277 | break; |
| 2278 | case 4: |
| 2279 | b43_phy_initb4(dev); |
| 2280 | err = 0; |
| 2281 | break; |
| 2282 | case 5: |
| 2283 | b43_phy_initb5(dev); |
| 2284 | err = 0; |
| 2285 | break; |
| 2286 | case 6: |
| 2287 | b43_phy_initb6(dev); |
| 2288 | err = 0; |
| 2289 | break; |
| 2290 | } |
| 2291 | break; |
| 2292 | case B43_PHYTYPE_G: |
| 2293 | b43_phy_initg(dev); |
| 2294 | err = 0; |
| 2295 | break; |
| 2296 | } |
| 2297 | if (err) |
| 2298 | b43err(dev->wl, "Unknown PHYTYPE found\n"); |
| 2299 | |
| 2300 | return err; |
| 2301 | } |
| 2302 | |
| 2303 | void b43_set_rx_antenna(struct b43_wldev *dev, int antenna) |
| 2304 | { |
| 2305 | struct b43_phy *phy = &dev->phy; |
| 2306 | u32 hf; |
| 2307 | u16 tmp; |
| 2308 | int autodiv = 0; |
| 2309 | |
| 2310 | if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1) |
| 2311 | autodiv = 1; |
| 2312 | |
| 2313 | hf = b43_hf_read(dev); |
| 2314 | hf &= ~B43_HF_ANTDIVHELP; |
| 2315 | b43_hf_write(dev, hf); |
| 2316 | |
| 2317 | switch (phy->type) { |
| 2318 | case B43_PHYTYPE_A: |
| 2319 | case B43_PHYTYPE_G: |
| 2320 | tmp = b43_phy_read(dev, B43_PHY_BBANDCFG); |
| 2321 | tmp &= ~B43_PHY_BBANDCFG_RXANT; |
| 2322 | tmp |= (autodiv ? B43_ANTENNA_AUTO0 : antenna) |
| 2323 | << B43_PHY_BBANDCFG_RXANT_SHIFT; |
| 2324 | b43_phy_write(dev, B43_PHY_BBANDCFG, tmp); |
| 2325 | |
| 2326 | if (autodiv) { |
| 2327 | tmp = b43_phy_read(dev, B43_PHY_ANTDWELL); |
| 2328 | if (antenna == B43_ANTENNA_AUTO0) |
| 2329 | tmp &= ~B43_PHY_ANTDWELL_AUTODIV1; |
| 2330 | else |
| 2331 | tmp |= B43_PHY_ANTDWELL_AUTODIV1; |
| 2332 | b43_phy_write(dev, B43_PHY_ANTDWELL, tmp); |
| 2333 | } |
| 2334 | if (phy->type == B43_PHYTYPE_G) { |
| 2335 | tmp = b43_phy_read(dev, B43_PHY_ANTWRSETT); |
| 2336 | if (autodiv) |
| 2337 | tmp |= B43_PHY_ANTWRSETT_ARXDIV; |
| 2338 | else |
| 2339 | tmp &= ~B43_PHY_ANTWRSETT_ARXDIV; |
| 2340 | b43_phy_write(dev, B43_PHY_ANTWRSETT, tmp); |
| 2341 | if (phy->rev >= 2) { |
| 2342 | tmp = b43_phy_read(dev, B43_PHY_OFDM61); |
| 2343 | tmp |= B43_PHY_OFDM61_10; |
| 2344 | b43_phy_write(dev, B43_PHY_OFDM61, tmp); |
| 2345 | |
| 2346 | tmp = |
| 2347 | b43_phy_read(dev, B43_PHY_DIVSRCHGAINBACK); |
| 2348 | tmp = (tmp & 0xFF00) | 0x15; |
| 2349 | b43_phy_write(dev, B43_PHY_DIVSRCHGAINBACK, |
| 2350 | tmp); |
| 2351 | |
| 2352 | if (phy->rev == 2) { |
| 2353 | b43_phy_write(dev, B43_PHY_ADIVRELATED, |
| 2354 | 8); |
| 2355 | } else { |
| 2356 | tmp = |
| 2357 | b43_phy_read(dev, |
| 2358 | B43_PHY_ADIVRELATED); |
| 2359 | tmp = (tmp & 0xFF00) | 8; |
| 2360 | b43_phy_write(dev, B43_PHY_ADIVRELATED, |
| 2361 | tmp); |
| 2362 | } |
| 2363 | } |
| 2364 | if (phy->rev >= 6) |
| 2365 | b43_phy_write(dev, B43_PHY_OFDM9B, 0xDC); |
| 2366 | } else { |
| 2367 | if (phy->rev < 3) { |
| 2368 | tmp = b43_phy_read(dev, B43_PHY_ANTDWELL); |
| 2369 | tmp = (tmp & 0xFF00) | 0x24; |
| 2370 | b43_phy_write(dev, B43_PHY_ANTDWELL, tmp); |
| 2371 | } else { |
| 2372 | tmp = b43_phy_read(dev, B43_PHY_OFDM61); |
| 2373 | tmp |= 0x10; |
| 2374 | b43_phy_write(dev, B43_PHY_OFDM61, tmp); |
| 2375 | if (phy->analog == 3) { |
| 2376 | b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT, |
| 2377 | 0x1D); |
| 2378 | b43_phy_write(dev, B43_PHY_ADIVRELATED, |
| 2379 | 8); |
| 2380 | } else { |
| 2381 | b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT, |
| 2382 | 0x3A); |
| 2383 | tmp = |
| 2384 | b43_phy_read(dev, |
| 2385 | B43_PHY_ADIVRELATED); |
| 2386 | tmp = (tmp & 0xFF00) | 8; |
| 2387 | b43_phy_write(dev, B43_PHY_ADIVRELATED, |
| 2388 | tmp); |
| 2389 | } |
| 2390 | } |
| 2391 | } |
| 2392 | break; |
| 2393 | case B43_PHYTYPE_B: |
| 2394 | tmp = b43_phy_read(dev, B43_PHY_CCKBBANDCFG); |
| 2395 | tmp &= ~B43_PHY_BBANDCFG_RXANT; |
| 2396 | tmp |= (autodiv ? B43_ANTENNA_AUTO0 : antenna) |
| 2397 | << B43_PHY_BBANDCFG_RXANT_SHIFT; |
| 2398 | b43_phy_write(dev, B43_PHY_CCKBBANDCFG, tmp); |
| 2399 | break; |
| 2400 | default: |
| 2401 | B43_WARN_ON(1); |
| 2402 | } |
| 2403 | |
| 2404 | hf |= B43_HF_ANTDIVHELP; |
| 2405 | b43_hf_write(dev, hf); |
| 2406 | } |
| 2407 | |
| 2408 | /* Get the freq, as it has to be written to the device. */ |
| 2409 | static inline u16 channel2freq_bg(u8 channel) |
| 2410 | { |
| 2411 | B43_WARN_ON(!(channel >= 1 && channel <= 14)); |
| 2412 | |
| 2413 | return b43_radio_channel_codes_bg[channel - 1]; |
| 2414 | } |
| 2415 | |
| 2416 | /* Get the freq, as it has to be written to the device. */ |
| 2417 | static inline u16 channel2freq_a(u8 channel) |
| 2418 | { |
| 2419 | B43_WARN_ON(channel > 200); |
| 2420 | |
| 2421 | return (5000 + 5 * channel); |
| 2422 | } |
| 2423 | |
| 2424 | void b43_radio_lock(struct b43_wldev *dev) |
| 2425 | { |
| 2426 | u32 macctl; |
| 2427 | |
| 2428 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 2429 | macctl |= B43_MACCTL_RADIOLOCK; |
| 2430 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 2431 | /* Commit the write and wait for the device |
| 2432 | * to exit any radio register access. */ |
| 2433 | b43_read32(dev, B43_MMIO_MACCTL); |
| 2434 | udelay(10); |
| 2435 | } |
| 2436 | |
| 2437 | void b43_radio_unlock(struct b43_wldev *dev) |
| 2438 | { |
| 2439 | u32 macctl; |
| 2440 | |
| 2441 | /* Commit any write */ |
| 2442 | b43_read16(dev, B43_MMIO_PHY_VER); |
| 2443 | /* unlock */ |
| 2444 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 2445 | macctl &= ~B43_MACCTL_RADIOLOCK; |
| 2446 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 2447 | } |
| 2448 | |
| 2449 | u16 b43_radio_read16(struct b43_wldev *dev, u16 offset) |
| 2450 | { |
| 2451 | struct b43_phy *phy = &dev->phy; |
| 2452 | |
| 2453 | switch (phy->type) { |
| 2454 | case B43_PHYTYPE_A: |
| 2455 | offset |= 0x0040; |
| 2456 | break; |
| 2457 | case B43_PHYTYPE_B: |
| 2458 | if (phy->radio_ver == 0x2053) { |
| 2459 | if (offset < 0x70) |
| 2460 | offset += 0x80; |
| 2461 | else if (offset < 0x80) |
| 2462 | offset += 0x70; |
| 2463 | } else if (phy->radio_ver == 0x2050) { |
| 2464 | offset |= 0x80; |
| 2465 | } else |
| 2466 | B43_WARN_ON(1); |
| 2467 | break; |
| 2468 | case B43_PHYTYPE_G: |
| 2469 | offset |= 0x80; |
| 2470 | break; |
| 2471 | } |
| 2472 | |
| 2473 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, offset); |
| 2474 | return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); |
| 2475 | } |
| 2476 | |
| 2477 | void b43_radio_write16(struct b43_wldev *dev, u16 offset, u16 val) |
| 2478 | { |
| 2479 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, offset); |
| 2480 | mmiowb(); |
| 2481 | b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, val); |
| 2482 | } |
| 2483 | |
| 2484 | static void b43_set_all_gains(struct b43_wldev *dev, |
| 2485 | s16 first, s16 second, s16 third) |
| 2486 | { |
| 2487 | struct b43_phy *phy = &dev->phy; |
| 2488 | u16 i; |
| 2489 | u16 start = 0x08, end = 0x18; |
| 2490 | u16 tmp; |
| 2491 | u16 table; |
| 2492 | |
| 2493 | if (phy->rev <= 1) { |
| 2494 | start = 0x10; |
| 2495 | end = 0x20; |
| 2496 | } |
| 2497 | |
| 2498 | table = B43_OFDMTAB_GAINX; |
| 2499 | if (phy->rev <= 1) |
| 2500 | table = B43_OFDMTAB_GAINX_R1; |
| 2501 | for (i = 0; i < 4; i++) |
| 2502 | b43_ofdmtab_write16(dev, table, i, first); |
| 2503 | |
| 2504 | for (i = start; i < end; i++) |
| 2505 | b43_ofdmtab_write16(dev, table, i, second); |
| 2506 | |
| 2507 | if (third != -1) { |
| 2508 | tmp = ((u16) third << 14) | ((u16) third << 6); |
| 2509 | b43_phy_write(dev, 0x04A0, |
| 2510 | (b43_phy_read(dev, 0x04A0) & 0xBFBF) | tmp); |
| 2511 | b43_phy_write(dev, 0x04A1, |
| 2512 | (b43_phy_read(dev, 0x04A1) & 0xBFBF) | tmp); |
| 2513 | b43_phy_write(dev, 0x04A2, |
| 2514 | (b43_phy_read(dev, 0x04A2) & 0xBFBF) | tmp); |
| 2515 | } |
| 2516 | b43_dummy_transmission(dev); |
| 2517 | } |
| 2518 | |
| 2519 | static void b43_set_original_gains(struct b43_wldev *dev) |
| 2520 | { |
| 2521 | struct b43_phy *phy = &dev->phy; |
| 2522 | u16 i, tmp; |
| 2523 | u16 table; |
| 2524 | u16 start = 0x0008, end = 0x0018; |
| 2525 | |
| 2526 | if (phy->rev <= 1) { |
| 2527 | start = 0x0010; |
| 2528 | end = 0x0020; |
| 2529 | } |
| 2530 | |
| 2531 | table = B43_OFDMTAB_GAINX; |
| 2532 | if (phy->rev <= 1) |
| 2533 | table = B43_OFDMTAB_GAINX_R1; |
| 2534 | for (i = 0; i < 4; i++) { |
| 2535 | tmp = (i & 0xFFFC); |
| 2536 | tmp |= (i & 0x0001) << 1; |
| 2537 | tmp |= (i & 0x0002) >> 1; |
| 2538 | |
| 2539 | b43_ofdmtab_write16(dev, table, i, tmp); |
| 2540 | } |
| 2541 | |
| 2542 | for (i = start; i < end; i++) |
| 2543 | b43_ofdmtab_write16(dev, table, i, i - start); |
| 2544 | |
| 2545 | b43_phy_write(dev, 0x04A0, |
| 2546 | (b43_phy_read(dev, 0x04A0) & 0xBFBF) | 0x4040); |
| 2547 | b43_phy_write(dev, 0x04A1, |
| 2548 | (b43_phy_read(dev, 0x04A1) & 0xBFBF) | 0x4040); |
| 2549 | b43_phy_write(dev, 0x04A2, |
| 2550 | (b43_phy_read(dev, 0x04A2) & 0xBFBF) | 0x4000); |
| 2551 | b43_dummy_transmission(dev); |
| 2552 | } |
| 2553 | |
| 2554 | /* Synthetic PU workaround */ |
| 2555 | static void b43_synth_pu_workaround(struct b43_wldev *dev, u8 channel) |
| 2556 | { |
| 2557 | struct b43_phy *phy = &dev->phy; |
| 2558 | |
| 2559 | might_sleep(); |
| 2560 | |
| 2561 | if (phy->radio_ver != 0x2050 || phy->radio_rev >= 6) { |
| 2562 | /* We do not need the workaround. */ |
| 2563 | return; |
| 2564 | } |
| 2565 | |
| 2566 | if (channel <= 10) { |
| 2567 | b43_write16(dev, B43_MMIO_CHANNEL, |
| 2568 | channel2freq_bg(channel + 4)); |
| 2569 | } else { |
| 2570 | b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(1)); |
| 2571 | } |
| 2572 | msleep(1); |
| 2573 | b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel)); |
| 2574 | } |
| 2575 | |
| 2576 | u8 b43_radio_aci_detect(struct b43_wldev *dev, u8 channel) |
| 2577 | { |
| 2578 | struct b43_phy *phy = &dev->phy; |
| 2579 | u8 ret = 0; |
| 2580 | u16 saved, rssi, temp; |
| 2581 | int i, j = 0; |
| 2582 | |
| 2583 | saved = b43_phy_read(dev, 0x0403); |
| 2584 | b43_radio_selectchannel(dev, channel, 0); |
| 2585 | b43_phy_write(dev, 0x0403, (saved & 0xFFF8) | 5); |
| 2586 | if (phy->aci_hw_rssi) |
| 2587 | rssi = b43_phy_read(dev, 0x048A) & 0x3F; |
| 2588 | else |
| 2589 | rssi = saved & 0x3F; |
| 2590 | /* clamp temp to signed 5bit */ |
| 2591 | if (rssi > 32) |
| 2592 | rssi -= 64; |
| 2593 | for (i = 0; i < 100; i++) { |
| 2594 | temp = (b43_phy_read(dev, 0x047F) >> 8) & 0x3F; |
| 2595 | if (temp > 32) |
| 2596 | temp -= 64; |
| 2597 | if (temp < rssi) |
| 2598 | j++; |
| 2599 | if (j >= 20) |
| 2600 | ret = 1; |
| 2601 | } |
| 2602 | b43_phy_write(dev, 0x0403, saved); |
| 2603 | |
| 2604 | return ret; |
| 2605 | } |
| 2606 | |
| 2607 | u8 b43_radio_aci_scan(struct b43_wldev * dev) |
| 2608 | { |
| 2609 | struct b43_phy *phy = &dev->phy; |
| 2610 | u8 ret[13]; |
| 2611 | unsigned int channel = phy->channel; |
| 2612 | unsigned int i, j, start, end; |
| 2613 | unsigned long phylock_flags; |
| 2614 | |
| 2615 | if (!((phy->type == B43_PHYTYPE_G) && (phy->rev > 0))) |
| 2616 | return 0; |
| 2617 | |
| 2618 | b43_phy_lock(dev, phylock_flags); |
| 2619 | b43_radio_lock(dev); |
| 2620 | b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) & 0xFFFC); |
| 2621 | b43_phy_write(dev, B43_PHY_G_CRS, |
| 2622 | b43_phy_read(dev, B43_PHY_G_CRS) & 0x7FFF); |
| 2623 | b43_set_all_gains(dev, 3, 8, 1); |
| 2624 | |
| 2625 | start = (channel - 5 > 0) ? channel - 5 : 1; |
| 2626 | end = (channel + 5 < 14) ? channel + 5 : 13; |
| 2627 | |
| 2628 | for (i = start; i <= end; i++) { |
| 2629 | if (abs(channel - i) > 2) |
| 2630 | ret[i - 1] = b43_radio_aci_detect(dev, i); |
| 2631 | } |
| 2632 | b43_radio_selectchannel(dev, channel, 0); |
| 2633 | b43_phy_write(dev, 0x0802, |
| 2634 | (b43_phy_read(dev, 0x0802) & 0xFFFC) | 0x0003); |
| 2635 | b43_phy_write(dev, 0x0403, b43_phy_read(dev, 0x0403) & 0xFFF8); |
| 2636 | b43_phy_write(dev, B43_PHY_G_CRS, |
| 2637 | b43_phy_read(dev, B43_PHY_G_CRS) | 0x8000); |
| 2638 | b43_set_original_gains(dev); |
| 2639 | for (i = 0; i < 13; i++) { |
| 2640 | if (!ret[i]) |
| 2641 | continue; |
| 2642 | end = (i + 5 < 13) ? i + 5 : 13; |
| 2643 | for (j = i; j < end; j++) |
| 2644 | ret[j] = 1; |
| 2645 | } |
| 2646 | b43_radio_unlock(dev); |
| 2647 | b43_phy_unlock(dev, phylock_flags); |
| 2648 | |
| 2649 | return ret[channel - 1]; |
| 2650 | } |
| 2651 | |
| 2652 | /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ |
| 2653 | void b43_nrssi_hw_write(struct b43_wldev *dev, u16 offset, s16 val) |
| 2654 | { |
| 2655 | b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset); |
| 2656 | mmiowb(); |
| 2657 | b43_phy_write(dev, B43_PHY_NRSSILT_DATA, (u16) val); |
| 2658 | } |
| 2659 | |
| 2660 | /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ |
| 2661 | s16 b43_nrssi_hw_read(struct b43_wldev *dev, u16 offset) |
| 2662 | { |
| 2663 | u16 val; |
| 2664 | |
| 2665 | b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset); |
| 2666 | val = b43_phy_read(dev, B43_PHY_NRSSILT_DATA); |
| 2667 | |
| 2668 | return (s16) val; |
| 2669 | } |
| 2670 | |
| 2671 | /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ |
| 2672 | void b43_nrssi_hw_update(struct b43_wldev *dev, u16 val) |
| 2673 | { |
| 2674 | u16 i; |
| 2675 | s16 tmp; |
| 2676 | |
| 2677 | for (i = 0; i < 64; i++) { |
| 2678 | tmp = b43_nrssi_hw_read(dev, i); |
| 2679 | tmp -= val; |
| 2680 | tmp = limit_value(tmp, -32, 31); |
| 2681 | b43_nrssi_hw_write(dev, i, tmp); |
| 2682 | } |
| 2683 | } |
| 2684 | |
| 2685 | /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ |
| 2686 | void b43_nrssi_mem_update(struct b43_wldev *dev) |
| 2687 | { |
| 2688 | struct b43_phy *phy = &dev->phy; |
| 2689 | s16 i, delta; |
| 2690 | s32 tmp; |
| 2691 | |
| 2692 | delta = 0x1F - phy->nrssi[0]; |
| 2693 | for (i = 0; i < 64; i++) { |
| 2694 | tmp = (i - delta) * phy->nrssislope; |
| 2695 | tmp /= 0x10000; |
| 2696 | tmp += 0x3A; |
| 2697 | tmp = limit_value(tmp, 0, 0x3F); |
| 2698 | phy->nrssi_lt[i] = tmp; |
| 2699 | } |
| 2700 | } |
| 2701 | |
| 2702 | static void b43_calc_nrssi_offset(struct b43_wldev *dev) |
| 2703 | { |
| 2704 | struct b43_phy *phy = &dev->phy; |
| 2705 | u16 backup[20] = { 0 }; |
| 2706 | s16 v47F; |
| 2707 | u16 i; |
| 2708 | u16 saved = 0xFFFF; |
| 2709 | |
| 2710 | backup[0] = b43_phy_read(dev, 0x0001); |
| 2711 | backup[1] = b43_phy_read(dev, 0x0811); |
| 2712 | backup[2] = b43_phy_read(dev, 0x0812); |
| 2713 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
| 2714 | backup[3] = b43_phy_read(dev, 0x0814); |
| 2715 | backup[4] = b43_phy_read(dev, 0x0815); |
| 2716 | } |
| 2717 | backup[5] = b43_phy_read(dev, 0x005A); |
| 2718 | backup[6] = b43_phy_read(dev, 0x0059); |
| 2719 | backup[7] = b43_phy_read(dev, 0x0058); |
| 2720 | backup[8] = b43_phy_read(dev, 0x000A); |
| 2721 | backup[9] = b43_phy_read(dev, 0x0003); |
| 2722 | backup[10] = b43_radio_read16(dev, 0x007A); |
| 2723 | backup[11] = b43_radio_read16(dev, 0x0043); |
| 2724 | |
| 2725 | b43_phy_write(dev, 0x0429, b43_phy_read(dev, 0x0429) & 0x7FFF); |
| 2726 | b43_phy_write(dev, 0x0001, |
| 2727 | (b43_phy_read(dev, 0x0001) & 0x3FFF) | 0x4000); |
| 2728 | b43_phy_write(dev, 0x0811, b43_phy_read(dev, 0x0811) | 0x000C); |
| 2729 | b43_phy_write(dev, 0x0812, |
| 2730 | (b43_phy_read(dev, 0x0812) & 0xFFF3) | 0x0004); |
| 2731 | b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) & ~(0x1 | 0x2)); |
| 2732 | if (phy->rev >= 6) { |
| 2733 | backup[12] = b43_phy_read(dev, 0x002E); |
| 2734 | backup[13] = b43_phy_read(dev, 0x002F); |
| 2735 | backup[14] = b43_phy_read(dev, 0x080F); |
| 2736 | backup[15] = b43_phy_read(dev, 0x0810); |
| 2737 | backup[16] = b43_phy_read(dev, 0x0801); |
| 2738 | backup[17] = b43_phy_read(dev, 0x0060); |
| 2739 | backup[18] = b43_phy_read(dev, 0x0014); |
| 2740 | backup[19] = b43_phy_read(dev, 0x0478); |
| 2741 | |
| 2742 | b43_phy_write(dev, 0x002E, 0); |
| 2743 | b43_phy_write(dev, 0x002F, 0); |
| 2744 | b43_phy_write(dev, 0x080F, 0); |
| 2745 | b43_phy_write(dev, 0x0810, 0); |
| 2746 | b43_phy_write(dev, 0x0478, b43_phy_read(dev, 0x0478) | 0x0100); |
| 2747 | b43_phy_write(dev, 0x0801, b43_phy_read(dev, 0x0801) | 0x0040); |
| 2748 | b43_phy_write(dev, 0x0060, b43_phy_read(dev, 0x0060) | 0x0040); |
| 2749 | b43_phy_write(dev, 0x0014, b43_phy_read(dev, 0x0014) | 0x0200); |
| 2750 | } |
| 2751 | b43_radio_write16(dev, 0x007A, b43_radio_read16(dev, 0x007A) | 0x0070); |
| 2752 | b43_radio_write16(dev, 0x007A, b43_radio_read16(dev, 0x007A) | 0x0080); |
| 2753 | udelay(30); |
| 2754 | |
| 2755 | v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); |
| 2756 | if (v47F >= 0x20) |
| 2757 | v47F -= 0x40; |
| 2758 | if (v47F == 31) { |
| 2759 | for (i = 7; i >= 4; i--) { |
| 2760 | b43_radio_write16(dev, 0x007B, i); |
| 2761 | udelay(20); |
| 2762 | v47F = |
| 2763 | (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); |
| 2764 | if (v47F >= 0x20) |
| 2765 | v47F -= 0x40; |
| 2766 | if (v47F < 31 && saved == 0xFFFF) |
| 2767 | saved = i; |
| 2768 | } |
| 2769 | if (saved == 0xFFFF) |
| 2770 | saved = 4; |
| 2771 | } else { |
| 2772 | b43_radio_write16(dev, 0x007A, |
| 2773 | b43_radio_read16(dev, 0x007A) & 0x007F); |
| 2774 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
| 2775 | b43_phy_write(dev, 0x0814, |
| 2776 | b43_phy_read(dev, 0x0814) | 0x0001); |
| 2777 | b43_phy_write(dev, 0x0815, |
| 2778 | b43_phy_read(dev, 0x0815) & 0xFFFE); |
| 2779 | } |
| 2780 | b43_phy_write(dev, 0x0811, b43_phy_read(dev, 0x0811) | 0x000C); |
| 2781 | b43_phy_write(dev, 0x0812, b43_phy_read(dev, 0x0812) | 0x000C); |
| 2782 | b43_phy_write(dev, 0x0811, b43_phy_read(dev, 0x0811) | 0x0030); |
| 2783 | b43_phy_write(dev, 0x0812, b43_phy_read(dev, 0x0812) | 0x0030); |
| 2784 | b43_phy_write(dev, 0x005A, 0x0480); |
| 2785 | b43_phy_write(dev, 0x0059, 0x0810); |
| 2786 | b43_phy_write(dev, 0x0058, 0x000D); |
| 2787 | if (phy->rev == 0) { |
| 2788 | b43_phy_write(dev, 0x0003, 0x0122); |
| 2789 | } else { |
| 2790 | b43_phy_write(dev, 0x000A, b43_phy_read(dev, 0x000A) |
| 2791 | | 0x2000); |
| 2792 | } |
| 2793 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
| 2794 | b43_phy_write(dev, 0x0814, |
| 2795 | b43_phy_read(dev, 0x0814) | 0x0004); |
| 2796 | b43_phy_write(dev, 0x0815, |
| 2797 | b43_phy_read(dev, 0x0815) & 0xFFFB); |
| 2798 | } |
| 2799 | b43_phy_write(dev, 0x0003, (b43_phy_read(dev, 0x0003) & 0xFF9F) |
| 2800 | | 0x0040); |
| 2801 | b43_radio_write16(dev, 0x007A, |
| 2802 | b43_radio_read16(dev, 0x007A) | 0x000F); |
| 2803 | b43_set_all_gains(dev, 3, 0, 1); |
| 2804 | b43_radio_write16(dev, 0x0043, (b43_radio_read16(dev, 0x0043) |
| 2805 | & 0x00F0) | 0x000F); |
| 2806 | udelay(30); |
| 2807 | v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); |
| 2808 | if (v47F >= 0x20) |
| 2809 | v47F -= 0x40; |
| 2810 | if (v47F == -32) { |
| 2811 | for (i = 0; i < 4; i++) { |
| 2812 | b43_radio_write16(dev, 0x007B, i); |
| 2813 | udelay(20); |
| 2814 | v47F = |
| 2815 | (s16) ((b43_phy_read(dev, 0x047F) >> 8) & |
| 2816 | 0x003F); |
| 2817 | if (v47F >= 0x20) |
| 2818 | v47F -= 0x40; |
| 2819 | if (v47F > -31 && saved == 0xFFFF) |
| 2820 | saved = i; |
| 2821 | } |
| 2822 | if (saved == 0xFFFF) |
| 2823 | saved = 3; |
| 2824 | } else |
| 2825 | saved = 0; |
| 2826 | } |
| 2827 | b43_radio_write16(dev, 0x007B, saved); |
| 2828 | |
| 2829 | if (phy->rev >= 6) { |
| 2830 | b43_phy_write(dev, 0x002E, backup[12]); |
| 2831 | b43_phy_write(dev, 0x002F, backup[13]); |
| 2832 | b43_phy_write(dev, 0x080F, backup[14]); |
| 2833 | b43_phy_write(dev, 0x0810, backup[15]); |
| 2834 | } |
| 2835 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
| 2836 | b43_phy_write(dev, 0x0814, backup[3]); |
| 2837 | b43_phy_write(dev, 0x0815, backup[4]); |
| 2838 | } |
| 2839 | b43_phy_write(dev, 0x005A, backup[5]); |
| 2840 | b43_phy_write(dev, 0x0059, backup[6]); |
| 2841 | b43_phy_write(dev, 0x0058, backup[7]); |
| 2842 | b43_phy_write(dev, 0x000A, backup[8]); |
| 2843 | b43_phy_write(dev, 0x0003, backup[9]); |
| 2844 | b43_radio_write16(dev, 0x0043, backup[11]); |
| 2845 | b43_radio_write16(dev, 0x007A, backup[10]); |
| 2846 | b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x1 | 0x2); |
| 2847 | b43_phy_write(dev, 0x0429, b43_phy_read(dev, 0x0429) | 0x8000); |
| 2848 | b43_set_original_gains(dev); |
| 2849 | if (phy->rev >= 6) { |
| 2850 | b43_phy_write(dev, 0x0801, backup[16]); |
| 2851 | b43_phy_write(dev, 0x0060, backup[17]); |
| 2852 | b43_phy_write(dev, 0x0014, backup[18]); |
| 2853 | b43_phy_write(dev, 0x0478, backup[19]); |
| 2854 | } |
| 2855 | b43_phy_write(dev, 0x0001, backup[0]); |
| 2856 | b43_phy_write(dev, 0x0812, backup[2]); |
| 2857 | b43_phy_write(dev, 0x0811, backup[1]); |
| 2858 | } |
| 2859 | |
| 2860 | void b43_calc_nrssi_slope(struct b43_wldev *dev) |
| 2861 | { |
| 2862 | struct b43_phy *phy = &dev->phy; |
| 2863 | u16 backup[18] = { 0 }; |
| 2864 | u16 tmp; |
| 2865 | s16 nrssi0, nrssi1; |
| 2866 | |
| 2867 | switch (phy->type) { |
| 2868 | case B43_PHYTYPE_B: |
| 2869 | backup[0] = b43_radio_read16(dev, 0x007A); |
| 2870 | backup[1] = b43_radio_read16(dev, 0x0052); |
| 2871 | backup[2] = b43_radio_read16(dev, 0x0043); |
| 2872 | backup[3] = b43_phy_read(dev, 0x0030); |
| 2873 | backup[4] = b43_phy_read(dev, 0x0026); |
| 2874 | backup[5] = b43_phy_read(dev, 0x0015); |
| 2875 | backup[6] = b43_phy_read(dev, 0x002A); |
| 2876 | backup[7] = b43_phy_read(dev, 0x0020); |
| 2877 | backup[8] = b43_phy_read(dev, 0x005A); |
| 2878 | backup[9] = b43_phy_read(dev, 0x0059); |
| 2879 | backup[10] = b43_phy_read(dev, 0x0058); |
| 2880 | backup[11] = b43_read16(dev, 0x03E2); |
| 2881 | backup[12] = b43_read16(dev, 0x03E6); |
| 2882 | backup[13] = b43_read16(dev, B43_MMIO_CHANNEL_EXT); |
| 2883 | |
| 2884 | tmp = b43_radio_read16(dev, 0x007A); |
| 2885 | tmp &= (phy->rev >= 5) ? 0x007F : 0x000F; |
| 2886 | b43_radio_write16(dev, 0x007A, tmp); |
| 2887 | b43_phy_write(dev, 0x0030, 0x00FF); |
| 2888 | b43_write16(dev, 0x03EC, 0x7F7F); |
| 2889 | b43_phy_write(dev, 0x0026, 0x0000); |
| 2890 | b43_phy_write(dev, 0x0015, b43_phy_read(dev, 0x0015) | 0x0020); |
| 2891 | b43_phy_write(dev, 0x002A, 0x08A3); |
| 2892 | b43_radio_write16(dev, 0x007A, |
| 2893 | b43_radio_read16(dev, 0x007A) | 0x0080); |
| 2894 | |
| 2895 | nrssi0 = (s16) b43_phy_read(dev, 0x0027); |
| 2896 | b43_radio_write16(dev, 0x007A, |
| 2897 | b43_radio_read16(dev, 0x007A) & 0x007F); |
| 2898 | if (phy->rev >= 2) { |
| 2899 | b43_write16(dev, 0x03E6, 0x0040); |
| 2900 | } else if (phy->rev == 0) { |
| 2901 | b43_write16(dev, 0x03E6, 0x0122); |
| 2902 | } else { |
| 2903 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, |
| 2904 | b43_read16(dev, |
| 2905 | B43_MMIO_CHANNEL_EXT) & 0x2000); |
| 2906 | } |
| 2907 | b43_phy_write(dev, 0x0020, 0x3F3F); |
| 2908 | b43_phy_write(dev, 0x0015, 0xF330); |
| 2909 | b43_radio_write16(dev, 0x005A, 0x0060); |
| 2910 | b43_radio_write16(dev, 0x0043, |
| 2911 | b43_radio_read16(dev, 0x0043) & 0x00F0); |
| 2912 | b43_phy_write(dev, 0x005A, 0x0480); |
| 2913 | b43_phy_write(dev, 0x0059, 0x0810); |
| 2914 | b43_phy_write(dev, 0x0058, 0x000D); |
| 2915 | udelay(20); |
| 2916 | |
| 2917 | nrssi1 = (s16) b43_phy_read(dev, 0x0027); |
| 2918 | b43_phy_write(dev, 0x0030, backup[3]); |
| 2919 | b43_radio_write16(dev, 0x007A, backup[0]); |
| 2920 | b43_write16(dev, 0x03E2, backup[11]); |
| 2921 | b43_phy_write(dev, 0x0026, backup[4]); |
| 2922 | b43_phy_write(dev, 0x0015, backup[5]); |
| 2923 | b43_phy_write(dev, 0x002A, backup[6]); |
| 2924 | b43_synth_pu_workaround(dev, phy->channel); |
| 2925 | if (phy->rev != 0) |
| 2926 | b43_write16(dev, 0x03F4, backup[13]); |
| 2927 | |
| 2928 | b43_phy_write(dev, 0x0020, backup[7]); |
| 2929 | b43_phy_write(dev, 0x005A, backup[8]); |
| 2930 | b43_phy_write(dev, 0x0059, backup[9]); |
| 2931 | b43_phy_write(dev, 0x0058, backup[10]); |
| 2932 | b43_radio_write16(dev, 0x0052, backup[1]); |
| 2933 | b43_radio_write16(dev, 0x0043, backup[2]); |
| 2934 | |
| 2935 | if (nrssi0 == nrssi1) |
| 2936 | phy->nrssislope = 0x00010000; |
| 2937 | else |
| 2938 | phy->nrssislope = 0x00400000 / (nrssi0 - nrssi1); |
| 2939 | |
| 2940 | if (nrssi0 <= -4) { |
| 2941 | phy->nrssi[0] = nrssi0; |
| 2942 | phy->nrssi[1] = nrssi1; |
| 2943 | } |
| 2944 | break; |
| 2945 | case B43_PHYTYPE_G: |
| 2946 | if (phy->radio_rev >= 9) |
| 2947 | return; |
| 2948 | if (phy->radio_rev == 8) |
| 2949 | b43_calc_nrssi_offset(dev); |
| 2950 | |
| 2951 | b43_phy_write(dev, B43_PHY_G_CRS, |
| 2952 | b43_phy_read(dev, B43_PHY_G_CRS) & 0x7FFF); |
| 2953 | b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) & 0xFFFC); |
| 2954 | backup[7] = b43_read16(dev, 0x03E2); |
| 2955 | b43_write16(dev, 0x03E2, b43_read16(dev, 0x03E2) | 0x8000); |
| 2956 | backup[0] = b43_radio_read16(dev, 0x007A); |
| 2957 | backup[1] = b43_radio_read16(dev, 0x0052); |
| 2958 | backup[2] = b43_radio_read16(dev, 0x0043); |
| 2959 | backup[3] = b43_phy_read(dev, 0x0015); |
| 2960 | backup[4] = b43_phy_read(dev, 0x005A); |
| 2961 | backup[5] = b43_phy_read(dev, 0x0059); |
| 2962 | backup[6] = b43_phy_read(dev, 0x0058); |
| 2963 | backup[8] = b43_read16(dev, 0x03E6); |
| 2964 | backup[9] = b43_read16(dev, B43_MMIO_CHANNEL_EXT); |
| 2965 | if (phy->rev >= 3) { |
| 2966 | backup[10] = b43_phy_read(dev, 0x002E); |
| 2967 | backup[11] = b43_phy_read(dev, 0x002F); |
| 2968 | backup[12] = b43_phy_read(dev, 0x080F); |
| 2969 | backup[13] = b43_phy_read(dev, B43_PHY_G_LO_CONTROL); |
| 2970 | backup[14] = b43_phy_read(dev, 0x0801); |
| 2971 | backup[15] = b43_phy_read(dev, 0x0060); |
| 2972 | backup[16] = b43_phy_read(dev, 0x0014); |
| 2973 | backup[17] = b43_phy_read(dev, 0x0478); |
| 2974 | b43_phy_write(dev, 0x002E, 0); |
| 2975 | b43_phy_write(dev, B43_PHY_G_LO_CONTROL, 0); |
| 2976 | switch (phy->rev) { |
| 2977 | case 4: |
| 2978 | case 6: |
| 2979 | case 7: |
| 2980 | b43_phy_write(dev, 0x0478, |
| 2981 | b43_phy_read(dev, 0x0478) |
| 2982 | | 0x0100); |
| 2983 | b43_phy_write(dev, 0x0801, |
| 2984 | b43_phy_read(dev, 0x0801) |
| 2985 | | 0x0040); |
| 2986 | break; |
| 2987 | case 3: |
| 2988 | case 5: |
| 2989 | b43_phy_write(dev, 0x0801, |
| 2990 | b43_phy_read(dev, 0x0801) |
| 2991 | & 0xFFBF); |
| 2992 | break; |
| 2993 | } |
| 2994 | b43_phy_write(dev, 0x0060, b43_phy_read(dev, 0x0060) |
| 2995 | | 0x0040); |
| 2996 | b43_phy_write(dev, 0x0014, b43_phy_read(dev, 0x0014) |
| 2997 | | 0x0200); |
| 2998 | } |
| 2999 | b43_radio_write16(dev, 0x007A, |
| 3000 | b43_radio_read16(dev, 0x007A) | 0x0070); |
| 3001 | b43_set_all_gains(dev, 0, 8, 0); |
| 3002 | b43_radio_write16(dev, 0x007A, |
| 3003 | b43_radio_read16(dev, 0x007A) & 0x00F7); |
| 3004 | if (phy->rev >= 2) { |
| 3005 | b43_phy_write(dev, 0x0811, |
| 3006 | (b43_phy_read(dev, 0x0811) & 0xFFCF) | |
| 3007 | 0x0030); |
| 3008 | b43_phy_write(dev, 0x0812, |
| 3009 | (b43_phy_read(dev, 0x0812) & 0xFFCF) | |
| 3010 | 0x0010); |
| 3011 | } |
| 3012 | b43_radio_write16(dev, 0x007A, |
| 3013 | b43_radio_read16(dev, 0x007A) | 0x0080); |
| 3014 | udelay(20); |
| 3015 | |
| 3016 | nrssi0 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); |
| 3017 | if (nrssi0 >= 0x0020) |
| 3018 | nrssi0 -= 0x0040; |
| 3019 | |
| 3020 | b43_radio_write16(dev, 0x007A, |
| 3021 | b43_radio_read16(dev, 0x007A) & 0x007F); |
| 3022 | if (phy->rev >= 2) { |
| 3023 | b43_phy_write(dev, 0x0003, (b43_phy_read(dev, 0x0003) |
| 3024 | & 0xFF9F) | 0x0040); |
| 3025 | } |
| 3026 | |
| 3027 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, |
| 3028 | b43_read16(dev, B43_MMIO_CHANNEL_EXT) |
| 3029 | | 0x2000); |
| 3030 | b43_radio_write16(dev, 0x007A, |
| 3031 | b43_radio_read16(dev, 0x007A) | 0x000F); |
| 3032 | b43_phy_write(dev, 0x0015, 0xF330); |
| 3033 | if (phy->rev >= 2) { |
| 3034 | b43_phy_write(dev, 0x0812, |
| 3035 | (b43_phy_read(dev, 0x0812) & 0xFFCF) | |
| 3036 | 0x0020); |
| 3037 | b43_phy_write(dev, 0x0811, |
| 3038 | (b43_phy_read(dev, 0x0811) & 0xFFCF) | |
| 3039 | 0x0020); |
| 3040 | } |
| 3041 | |
| 3042 | b43_set_all_gains(dev, 3, 0, 1); |
| 3043 | if (phy->radio_rev == 8) { |
| 3044 | b43_radio_write16(dev, 0x0043, 0x001F); |
| 3045 | } else { |
| 3046 | tmp = b43_radio_read16(dev, 0x0052) & 0xFF0F; |
| 3047 | b43_radio_write16(dev, 0x0052, tmp | 0x0060); |
| 3048 | tmp = b43_radio_read16(dev, 0x0043) & 0xFFF0; |
| 3049 | b43_radio_write16(dev, 0x0043, tmp | 0x0009); |
| 3050 | } |
| 3051 | b43_phy_write(dev, 0x005A, 0x0480); |
| 3052 | b43_phy_write(dev, 0x0059, 0x0810); |
| 3053 | b43_phy_write(dev, 0x0058, 0x000D); |
| 3054 | udelay(20); |
| 3055 | nrssi1 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); |
| 3056 | if (nrssi1 >= 0x0020) |
| 3057 | nrssi1 -= 0x0040; |
| 3058 | if (nrssi0 == nrssi1) |
| 3059 | phy->nrssislope = 0x00010000; |
| 3060 | else |
| 3061 | phy->nrssislope = 0x00400000 / (nrssi0 - nrssi1); |
| 3062 | if (nrssi0 >= -4) { |
| 3063 | phy->nrssi[0] = nrssi1; |
| 3064 | phy->nrssi[1] = nrssi0; |
| 3065 | } |
| 3066 | if (phy->rev >= 3) { |
| 3067 | b43_phy_write(dev, 0x002E, backup[10]); |
| 3068 | b43_phy_write(dev, 0x002F, backup[11]); |
| 3069 | b43_phy_write(dev, 0x080F, backup[12]); |
| 3070 | b43_phy_write(dev, B43_PHY_G_LO_CONTROL, backup[13]); |
| 3071 | } |
| 3072 | if (phy->rev >= 2) { |
| 3073 | b43_phy_write(dev, 0x0812, |
| 3074 | b43_phy_read(dev, 0x0812) & 0xFFCF); |
| 3075 | b43_phy_write(dev, 0x0811, |
| 3076 | b43_phy_read(dev, 0x0811) & 0xFFCF); |
| 3077 | } |
| 3078 | |
| 3079 | b43_radio_write16(dev, 0x007A, backup[0]); |
| 3080 | b43_radio_write16(dev, 0x0052, backup[1]); |
| 3081 | b43_radio_write16(dev, 0x0043, backup[2]); |
| 3082 | b43_write16(dev, 0x03E2, backup[7]); |
| 3083 | b43_write16(dev, 0x03E6, backup[8]); |
| 3084 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, backup[9]); |
| 3085 | b43_phy_write(dev, 0x0015, backup[3]); |
| 3086 | b43_phy_write(dev, 0x005A, backup[4]); |
| 3087 | b43_phy_write(dev, 0x0059, backup[5]); |
| 3088 | b43_phy_write(dev, 0x0058, backup[6]); |
| 3089 | b43_synth_pu_workaround(dev, phy->channel); |
| 3090 | b43_phy_write(dev, 0x0802, |
| 3091 | b43_phy_read(dev, 0x0802) | (0x0001 | 0x0002)); |
| 3092 | b43_set_original_gains(dev); |
| 3093 | b43_phy_write(dev, B43_PHY_G_CRS, |
| 3094 | b43_phy_read(dev, B43_PHY_G_CRS) | 0x8000); |
| 3095 | if (phy->rev >= 3) { |
| 3096 | b43_phy_write(dev, 0x0801, backup[14]); |
| 3097 | b43_phy_write(dev, 0x0060, backup[15]); |
| 3098 | b43_phy_write(dev, 0x0014, backup[16]); |
| 3099 | b43_phy_write(dev, 0x0478, backup[17]); |
| 3100 | } |
| 3101 | b43_nrssi_mem_update(dev); |
| 3102 | b43_calc_nrssi_threshold(dev); |
| 3103 | break; |
| 3104 | default: |
| 3105 | B43_WARN_ON(1); |
| 3106 | } |
| 3107 | } |
| 3108 | |
| 3109 | void b43_calc_nrssi_threshold(struct b43_wldev *dev) |
| 3110 | { |
| 3111 | struct b43_phy *phy = &dev->phy; |
| 3112 | s32 threshold; |
| 3113 | s32 a, b; |
| 3114 | s16 tmp16; |
| 3115 | u16 tmp_u16; |
| 3116 | |
| 3117 | switch (phy->type) { |
| 3118 | case B43_PHYTYPE_B:{ |
| 3119 | if (phy->radio_ver != 0x2050) |
| 3120 | return; |
| 3121 | if (! |
| 3122 | (dev->dev->bus->sprom.r1. |
| 3123 | boardflags_lo & B43_BFL_RSSI)) |
| 3124 | return; |
| 3125 | |
| 3126 | if (phy->radio_rev >= 6) { |
| 3127 | threshold = |
| 3128 | (phy->nrssi[1] - phy->nrssi[0]) * 32; |
| 3129 | threshold += 20 * (phy->nrssi[0] + 1); |
| 3130 | threshold /= 40; |
| 3131 | } else |
| 3132 | threshold = phy->nrssi[1] - 5; |
| 3133 | |
| 3134 | threshold = limit_value(threshold, 0, 0x3E); |
| 3135 | b43_phy_read(dev, 0x0020); /* dummy read */ |
| 3136 | b43_phy_write(dev, 0x0020, |
| 3137 | (((u16) threshold) << 8) | 0x001C); |
| 3138 | |
| 3139 | if (phy->radio_rev >= 6) { |
| 3140 | b43_phy_write(dev, 0x0087, 0x0E0D); |
| 3141 | b43_phy_write(dev, 0x0086, 0x0C0B); |
| 3142 | b43_phy_write(dev, 0x0085, 0x0A09); |
| 3143 | b43_phy_write(dev, 0x0084, 0x0808); |
| 3144 | b43_phy_write(dev, 0x0083, 0x0808); |
| 3145 | b43_phy_write(dev, 0x0082, 0x0604); |
| 3146 | b43_phy_write(dev, 0x0081, 0x0302); |
| 3147 | b43_phy_write(dev, 0x0080, 0x0100); |
| 3148 | } |
| 3149 | break; |
| 3150 | } |
| 3151 | case B43_PHYTYPE_G: |
| 3152 | if (!phy->gmode || |
| 3153 | !(dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_RSSI)) { |
| 3154 | tmp16 = b43_nrssi_hw_read(dev, 0x20); |
| 3155 | if (tmp16 >= 0x20) |
| 3156 | tmp16 -= 0x40; |
| 3157 | if (tmp16 < 3) { |
| 3158 | b43_phy_write(dev, 0x048A, |
| 3159 | (b43_phy_read(dev, 0x048A) |
| 3160 | & 0xF000) | 0x09EB); |
| 3161 | } else { |
| 3162 | b43_phy_write(dev, 0x048A, |
| 3163 | (b43_phy_read(dev, 0x048A) |
| 3164 | & 0xF000) | 0x0AED); |
| 3165 | } |
| 3166 | } else { |
| 3167 | if (phy->interfmode == B43_INTERFMODE_NONWLAN) { |
| 3168 | a = 0xE; |
| 3169 | b = 0xA; |
| 3170 | } else if (!phy->aci_wlan_automatic && phy->aci_enable) { |
| 3171 | a = 0x13; |
| 3172 | b = 0x12; |
| 3173 | } else { |
| 3174 | a = 0xE; |
| 3175 | b = 0x11; |
| 3176 | } |
| 3177 | |
| 3178 | a = a * (phy->nrssi[1] - phy->nrssi[0]); |
| 3179 | a += (phy->nrssi[0] << 6); |
| 3180 | if (a < 32) |
| 3181 | a += 31; |
| 3182 | else |
| 3183 | a += 32; |
| 3184 | a = a >> 6; |
| 3185 | a = limit_value(a, -31, 31); |
| 3186 | |
| 3187 | b = b * (phy->nrssi[1] - phy->nrssi[0]); |
| 3188 | b += (phy->nrssi[0] << 6); |
| 3189 | if (b < 32) |
| 3190 | b += 31; |
| 3191 | else |
| 3192 | b += 32; |
| 3193 | b = b >> 6; |
| 3194 | b = limit_value(b, -31, 31); |
| 3195 | |
| 3196 | tmp_u16 = b43_phy_read(dev, 0x048A) & 0xF000; |
| 3197 | tmp_u16 |= ((u32) b & 0x0000003F); |
| 3198 | tmp_u16 |= (((u32) a & 0x0000003F) << 6); |
| 3199 | b43_phy_write(dev, 0x048A, tmp_u16); |
| 3200 | } |
| 3201 | break; |
| 3202 | default: |
| 3203 | B43_WARN_ON(1); |
| 3204 | } |
| 3205 | } |
| 3206 | |
| 3207 | /* Stack implementation to save/restore values from the |
| 3208 | * interference mitigation code. |
| 3209 | * It is save to restore values in random order. |
| 3210 | */ |
| 3211 | static void _stack_save(u32 * _stackptr, size_t * stackidx, |
| 3212 | u8 id, u16 offset, u16 value) |
| 3213 | { |
| 3214 | u32 *stackptr = &(_stackptr[*stackidx]); |
| 3215 | |
| 3216 | B43_WARN_ON(offset & 0xF000); |
| 3217 | B43_WARN_ON(id & 0xF0); |
| 3218 | *stackptr = offset; |
| 3219 | *stackptr |= ((u32) id) << 12; |
| 3220 | *stackptr |= ((u32) value) << 16; |
| 3221 | (*stackidx)++; |
| 3222 | B43_WARN_ON(*stackidx >= B43_INTERFSTACK_SIZE); |
| 3223 | } |
| 3224 | |
| 3225 | static u16 _stack_restore(u32 * stackptr, u8 id, u16 offset) |
| 3226 | { |
| 3227 | size_t i; |
| 3228 | |
| 3229 | B43_WARN_ON(offset & 0xF000); |
| 3230 | B43_WARN_ON(id & 0xF0); |
| 3231 | for (i = 0; i < B43_INTERFSTACK_SIZE; i++, stackptr++) { |
| 3232 | if ((*stackptr & 0x00000FFF) != offset) |
| 3233 | continue; |
| 3234 | if (((*stackptr & 0x0000F000) >> 12) != id) |
| 3235 | continue; |
| 3236 | return ((*stackptr & 0xFFFF0000) >> 16); |
| 3237 | } |
| 3238 | B43_WARN_ON(1); |
| 3239 | |
| 3240 | return 0; |
| 3241 | } |
| 3242 | |
| 3243 | #define phy_stacksave(offset) \ |
| 3244 | do { \ |
| 3245 | _stack_save(stack, &stackidx, 0x1, (offset), \ |
| 3246 | b43_phy_read(dev, (offset))); \ |
| 3247 | } while (0) |
| 3248 | #define phy_stackrestore(offset) \ |
| 3249 | do { \ |
| 3250 | b43_phy_write(dev, (offset), \ |
| 3251 | _stack_restore(stack, 0x1, \ |
| 3252 | (offset))); \ |
| 3253 | } while (0) |
| 3254 | #define radio_stacksave(offset) \ |
| 3255 | do { \ |
| 3256 | _stack_save(stack, &stackidx, 0x2, (offset), \ |
| 3257 | b43_radio_read16(dev, (offset))); \ |
| 3258 | } while (0) |
| 3259 | #define radio_stackrestore(offset) \ |
| 3260 | do { \ |
| 3261 | b43_radio_write16(dev, (offset), \ |
| 3262 | _stack_restore(stack, 0x2, \ |
| 3263 | (offset))); \ |
| 3264 | } while (0) |
| 3265 | #define ofdmtab_stacksave(table, offset) \ |
| 3266 | do { \ |
| 3267 | _stack_save(stack, &stackidx, 0x3, (offset)|(table), \ |
| 3268 | b43_ofdmtab_read16(dev, (table), (offset))); \ |
| 3269 | } while (0) |
| 3270 | #define ofdmtab_stackrestore(table, offset) \ |
| 3271 | do { \ |
| 3272 | b43_ofdmtab_write16(dev, (table), (offset), \ |
| 3273 | _stack_restore(stack, 0x3, \ |
| 3274 | (offset)|(table))); \ |
| 3275 | } while (0) |
| 3276 | |
| 3277 | static void |
| 3278 | b43_radio_interference_mitigation_enable(struct b43_wldev *dev, int mode) |
| 3279 | { |
| 3280 | struct b43_phy *phy = &dev->phy; |
| 3281 | u16 tmp, flipped; |
| 3282 | size_t stackidx = 0; |
| 3283 | u32 *stack = phy->interfstack; |
| 3284 | |
| 3285 | switch (mode) { |
| 3286 | case B43_INTERFMODE_NONWLAN: |
| 3287 | if (phy->rev != 1) { |
| 3288 | b43_phy_write(dev, 0x042B, |
| 3289 | b43_phy_read(dev, 0x042B) | 0x0800); |
| 3290 | b43_phy_write(dev, B43_PHY_G_CRS, |
| 3291 | b43_phy_read(dev, |
| 3292 | B43_PHY_G_CRS) & ~0x4000); |
| 3293 | break; |
| 3294 | } |
| 3295 | radio_stacksave(0x0078); |
| 3296 | tmp = (b43_radio_read16(dev, 0x0078) & 0x001E); |
| 3297 | flipped = flip_4bit(tmp); |
| 3298 | if (flipped < 10 && flipped >= 8) |
| 3299 | flipped = 7; |
| 3300 | else if (flipped >= 10) |
| 3301 | flipped -= 3; |
| 3302 | flipped = flip_4bit(flipped); |
| 3303 | flipped = (flipped << 1) | 0x0020; |
| 3304 | b43_radio_write16(dev, 0x0078, flipped); |
| 3305 | |
| 3306 | b43_calc_nrssi_threshold(dev); |
| 3307 | |
| 3308 | phy_stacksave(0x0406); |
| 3309 | b43_phy_write(dev, 0x0406, 0x7E28); |
| 3310 | |
| 3311 | b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) | 0x0800); |
| 3312 | b43_phy_write(dev, B43_PHY_RADIO_BITFIELD, |
| 3313 | b43_phy_read(dev, |
| 3314 | B43_PHY_RADIO_BITFIELD) | 0x1000); |
| 3315 | |
| 3316 | phy_stacksave(0x04A0); |
| 3317 | b43_phy_write(dev, 0x04A0, |
| 3318 | (b43_phy_read(dev, 0x04A0) & 0xC0C0) | 0x0008); |
| 3319 | phy_stacksave(0x04A1); |
| 3320 | b43_phy_write(dev, 0x04A1, |
| 3321 | (b43_phy_read(dev, 0x04A1) & 0xC0C0) | 0x0605); |
| 3322 | phy_stacksave(0x04A2); |
| 3323 | b43_phy_write(dev, 0x04A2, |
| 3324 | (b43_phy_read(dev, 0x04A2) & 0xC0C0) | 0x0204); |
| 3325 | phy_stacksave(0x04A8); |
| 3326 | b43_phy_write(dev, 0x04A8, |
| 3327 | (b43_phy_read(dev, 0x04A8) & 0xC0C0) | 0x0803); |
| 3328 | phy_stacksave(0x04AB); |
| 3329 | b43_phy_write(dev, 0x04AB, |
| 3330 | (b43_phy_read(dev, 0x04AB) & 0xC0C0) | 0x0605); |
| 3331 | |
| 3332 | phy_stacksave(0x04A7); |
| 3333 | b43_phy_write(dev, 0x04A7, 0x0002); |
| 3334 | phy_stacksave(0x04A3); |
| 3335 | b43_phy_write(dev, 0x04A3, 0x287A); |
| 3336 | phy_stacksave(0x04A9); |
| 3337 | b43_phy_write(dev, 0x04A9, 0x2027); |
| 3338 | phy_stacksave(0x0493); |
| 3339 | b43_phy_write(dev, 0x0493, 0x32F5); |
| 3340 | phy_stacksave(0x04AA); |
| 3341 | b43_phy_write(dev, 0x04AA, 0x2027); |
| 3342 | phy_stacksave(0x04AC); |
| 3343 | b43_phy_write(dev, 0x04AC, 0x32F5); |
| 3344 | break; |
| 3345 | case B43_INTERFMODE_MANUALWLAN: |
| 3346 | if (b43_phy_read(dev, 0x0033) & 0x0800) |
| 3347 | break; |
| 3348 | |
| 3349 | phy->aci_enable = 1; |
| 3350 | |
| 3351 | phy_stacksave(B43_PHY_RADIO_BITFIELD); |
| 3352 | phy_stacksave(B43_PHY_G_CRS); |
| 3353 | if (phy->rev < 2) { |
| 3354 | phy_stacksave(0x0406); |
| 3355 | } else { |
| 3356 | phy_stacksave(0x04C0); |
| 3357 | phy_stacksave(0x04C1); |
| 3358 | } |
| 3359 | phy_stacksave(0x0033); |
| 3360 | phy_stacksave(0x04A7); |
| 3361 | phy_stacksave(0x04A3); |
| 3362 | phy_stacksave(0x04A9); |
| 3363 | phy_stacksave(0x04AA); |
| 3364 | phy_stacksave(0x04AC); |
| 3365 | phy_stacksave(0x0493); |
| 3366 | phy_stacksave(0x04A1); |
| 3367 | phy_stacksave(0x04A0); |
| 3368 | phy_stacksave(0x04A2); |
| 3369 | phy_stacksave(0x048A); |
| 3370 | phy_stacksave(0x04A8); |
| 3371 | phy_stacksave(0x04AB); |
| 3372 | if (phy->rev == 2) { |
| 3373 | phy_stacksave(0x04AD); |
| 3374 | phy_stacksave(0x04AE); |
| 3375 | } else if (phy->rev >= 3) { |
| 3376 | phy_stacksave(0x04AD); |
| 3377 | phy_stacksave(0x0415); |
| 3378 | phy_stacksave(0x0416); |
| 3379 | phy_stacksave(0x0417); |
| 3380 | ofdmtab_stacksave(0x1A00, 0x2); |
| 3381 | ofdmtab_stacksave(0x1A00, 0x3); |
| 3382 | } |
| 3383 | phy_stacksave(0x042B); |
| 3384 | phy_stacksave(0x048C); |
| 3385 | |
| 3386 | b43_phy_write(dev, B43_PHY_RADIO_BITFIELD, |
| 3387 | b43_phy_read(dev, B43_PHY_RADIO_BITFIELD) |
| 3388 | & ~0x1000); |
| 3389 | b43_phy_write(dev, B43_PHY_G_CRS, |
| 3390 | (b43_phy_read(dev, B43_PHY_G_CRS) |
| 3391 | & 0xFFFC) | 0x0002); |
| 3392 | |
| 3393 | b43_phy_write(dev, 0x0033, 0x0800); |
| 3394 | b43_phy_write(dev, 0x04A3, 0x2027); |
| 3395 | b43_phy_write(dev, 0x04A9, 0x1CA8); |
| 3396 | b43_phy_write(dev, 0x0493, 0x287A); |
| 3397 | b43_phy_write(dev, 0x04AA, 0x1CA8); |
| 3398 | b43_phy_write(dev, 0x04AC, 0x287A); |
| 3399 | |
| 3400 | b43_phy_write(dev, 0x04A0, (b43_phy_read(dev, 0x04A0) |
| 3401 | & 0xFFC0) | 0x001A); |
| 3402 | b43_phy_write(dev, 0x04A7, 0x000D); |
| 3403 | |
| 3404 | if (phy->rev < 2) { |
| 3405 | b43_phy_write(dev, 0x0406, 0xFF0D); |
| 3406 | } else if (phy->rev == 2) { |
| 3407 | b43_phy_write(dev, 0x04C0, 0xFFFF); |
| 3408 | b43_phy_write(dev, 0x04C1, 0x00A9); |
| 3409 | } else { |
| 3410 | b43_phy_write(dev, 0x04C0, 0x00C1); |
| 3411 | b43_phy_write(dev, 0x04C1, 0x0059); |
| 3412 | } |
| 3413 | |
| 3414 | b43_phy_write(dev, 0x04A1, (b43_phy_read(dev, 0x04A1) |
| 3415 | & 0xC0FF) | 0x1800); |
| 3416 | b43_phy_write(dev, 0x04A1, (b43_phy_read(dev, 0x04A1) |
| 3417 | & 0xFFC0) | 0x0015); |
| 3418 | b43_phy_write(dev, 0x04A8, (b43_phy_read(dev, 0x04A8) |
| 3419 | & 0xCFFF) | 0x1000); |
| 3420 | b43_phy_write(dev, 0x04A8, (b43_phy_read(dev, 0x04A8) |
| 3421 | & 0xF0FF) | 0x0A00); |
| 3422 | b43_phy_write(dev, 0x04AB, (b43_phy_read(dev, 0x04AB) |
| 3423 | & 0xCFFF) | 0x1000); |
| 3424 | b43_phy_write(dev, 0x04AB, (b43_phy_read(dev, 0x04AB) |
| 3425 | & 0xF0FF) | 0x0800); |
| 3426 | b43_phy_write(dev, 0x04AB, (b43_phy_read(dev, 0x04AB) |
| 3427 | & 0xFFCF) | 0x0010); |
| 3428 | b43_phy_write(dev, 0x04AB, (b43_phy_read(dev, 0x04AB) |
| 3429 | & 0xFFF0) | 0x0005); |
| 3430 | b43_phy_write(dev, 0x04A8, (b43_phy_read(dev, 0x04A8) |
| 3431 | & 0xFFCF) | 0x0010); |
| 3432 | b43_phy_write(dev, 0x04A8, (b43_phy_read(dev, 0x04A8) |
| 3433 | & 0xFFF0) | 0x0006); |
| 3434 | b43_phy_write(dev, 0x04A2, (b43_phy_read(dev, 0x04A2) |
| 3435 | & 0xF0FF) | 0x0800); |
| 3436 | b43_phy_write(dev, 0x04A0, (b43_phy_read(dev, 0x04A0) |
| 3437 | & 0xF0FF) | 0x0500); |
| 3438 | b43_phy_write(dev, 0x04A2, (b43_phy_read(dev, 0x04A2) |
| 3439 | & 0xFFF0) | 0x000B); |
| 3440 | |
| 3441 | if (phy->rev >= 3) { |
| 3442 | b43_phy_write(dev, 0x048A, b43_phy_read(dev, 0x048A) |
| 3443 | & ~0x8000); |
| 3444 | b43_phy_write(dev, 0x0415, (b43_phy_read(dev, 0x0415) |
| 3445 | & 0x8000) | 0x36D8); |
| 3446 | b43_phy_write(dev, 0x0416, (b43_phy_read(dev, 0x0416) |
| 3447 | & 0x8000) | 0x36D8); |
| 3448 | b43_phy_write(dev, 0x0417, (b43_phy_read(dev, 0x0417) |
| 3449 | & 0xFE00) | 0x016D); |
| 3450 | } else { |
| 3451 | b43_phy_write(dev, 0x048A, b43_phy_read(dev, 0x048A) |
| 3452 | | 0x1000); |
| 3453 | b43_phy_write(dev, 0x048A, (b43_phy_read(dev, 0x048A) |
| 3454 | & 0x9FFF) | 0x2000); |
| 3455 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ACIW); |
| 3456 | } |
| 3457 | if (phy->rev >= 2) { |
| 3458 | b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) |
| 3459 | | 0x0800); |
| 3460 | } |
| 3461 | b43_phy_write(dev, 0x048C, (b43_phy_read(dev, 0x048C) |
| 3462 | & 0xF0FF) | 0x0200); |
| 3463 | if (phy->rev == 2) { |
| 3464 | b43_phy_write(dev, 0x04AE, (b43_phy_read(dev, 0x04AE) |
| 3465 | & 0xFF00) | 0x007F); |
| 3466 | b43_phy_write(dev, 0x04AD, (b43_phy_read(dev, 0x04AD) |
| 3467 | & 0x00FF) | 0x1300); |
| 3468 | } else if (phy->rev >= 6) { |
| 3469 | b43_ofdmtab_write16(dev, 0x1A00, 0x3, 0x007F); |
| 3470 | b43_ofdmtab_write16(dev, 0x1A00, 0x2, 0x007F); |
| 3471 | b43_phy_write(dev, 0x04AD, b43_phy_read(dev, 0x04AD) |
| 3472 | & 0x00FF); |
| 3473 | } |
| 3474 | b43_calc_nrssi_slope(dev); |
| 3475 | break; |
| 3476 | default: |
| 3477 | B43_WARN_ON(1); |
| 3478 | } |
| 3479 | } |
| 3480 | |
| 3481 | static void |
| 3482 | b43_radio_interference_mitigation_disable(struct b43_wldev *dev, int mode) |
| 3483 | { |
| 3484 | struct b43_phy *phy = &dev->phy; |
| 3485 | u32 *stack = phy->interfstack; |
| 3486 | |
| 3487 | switch (mode) { |
| 3488 | case B43_INTERFMODE_NONWLAN: |
| 3489 | if (phy->rev != 1) { |
| 3490 | b43_phy_write(dev, 0x042B, |
| 3491 | b43_phy_read(dev, 0x042B) & ~0x0800); |
| 3492 | b43_phy_write(dev, B43_PHY_G_CRS, |
| 3493 | b43_phy_read(dev, |
| 3494 | B43_PHY_G_CRS) | 0x4000); |
| 3495 | break; |
| 3496 | } |
| 3497 | radio_stackrestore(0x0078); |
| 3498 | b43_calc_nrssi_threshold(dev); |
| 3499 | phy_stackrestore(0x0406); |
| 3500 | b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) & ~0x0800); |
| 3501 | if (!dev->bad_frames_preempt) { |
| 3502 | b43_phy_write(dev, B43_PHY_RADIO_BITFIELD, |
| 3503 | b43_phy_read(dev, B43_PHY_RADIO_BITFIELD) |
| 3504 | & ~(1 << 11)); |
| 3505 | } |
| 3506 | b43_phy_write(dev, B43_PHY_G_CRS, |
| 3507 | b43_phy_read(dev, B43_PHY_G_CRS) | 0x4000); |
| 3508 | phy_stackrestore(0x04A0); |
| 3509 | phy_stackrestore(0x04A1); |
| 3510 | phy_stackrestore(0x04A2); |
| 3511 | phy_stackrestore(0x04A8); |
| 3512 | phy_stackrestore(0x04AB); |
| 3513 | phy_stackrestore(0x04A7); |
| 3514 | phy_stackrestore(0x04A3); |
| 3515 | phy_stackrestore(0x04A9); |
| 3516 | phy_stackrestore(0x0493); |
| 3517 | phy_stackrestore(0x04AA); |
| 3518 | phy_stackrestore(0x04AC); |
| 3519 | break; |
| 3520 | case B43_INTERFMODE_MANUALWLAN: |
| 3521 | if (!(b43_phy_read(dev, 0x0033) & 0x0800)) |
| 3522 | break; |
| 3523 | |
| 3524 | phy->aci_enable = 0; |
| 3525 | |
| 3526 | phy_stackrestore(B43_PHY_RADIO_BITFIELD); |
| 3527 | phy_stackrestore(B43_PHY_G_CRS); |
| 3528 | phy_stackrestore(0x0033); |
| 3529 | phy_stackrestore(0x04A3); |
| 3530 | phy_stackrestore(0x04A9); |
| 3531 | phy_stackrestore(0x0493); |
| 3532 | phy_stackrestore(0x04AA); |
| 3533 | phy_stackrestore(0x04AC); |
| 3534 | phy_stackrestore(0x04A0); |
| 3535 | phy_stackrestore(0x04A7); |
| 3536 | if (phy->rev >= 2) { |
| 3537 | phy_stackrestore(0x04C0); |
| 3538 | phy_stackrestore(0x04C1); |
| 3539 | } else |
| 3540 | phy_stackrestore(0x0406); |
| 3541 | phy_stackrestore(0x04A1); |
| 3542 | phy_stackrestore(0x04AB); |
| 3543 | phy_stackrestore(0x04A8); |
| 3544 | if (phy->rev == 2) { |
| 3545 | phy_stackrestore(0x04AD); |
| 3546 | phy_stackrestore(0x04AE); |
| 3547 | } else if (phy->rev >= 3) { |
| 3548 | phy_stackrestore(0x04AD); |
| 3549 | phy_stackrestore(0x0415); |
| 3550 | phy_stackrestore(0x0416); |
| 3551 | phy_stackrestore(0x0417); |
| 3552 | ofdmtab_stackrestore(0x1A00, 0x2); |
| 3553 | ofdmtab_stackrestore(0x1A00, 0x3); |
| 3554 | } |
| 3555 | phy_stackrestore(0x04A2); |
| 3556 | phy_stackrestore(0x048A); |
| 3557 | phy_stackrestore(0x042B); |
| 3558 | phy_stackrestore(0x048C); |
| 3559 | b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ACIW); |
| 3560 | b43_calc_nrssi_slope(dev); |
| 3561 | break; |
| 3562 | default: |
| 3563 | B43_WARN_ON(1); |
| 3564 | } |
| 3565 | } |
| 3566 | |
| 3567 | #undef phy_stacksave |
| 3568 | #undef phy_stackrestore |
| 3569 | #undef radio_stacksave |
| 3570 | #undef radio_stackrestore |
| 3571 | #undef ofdmtab_stacksave |
| 3572 | #undef ofdmtab_stackrestore |
| 3573 | |
| 3574 | int b43_radio_set_interference_mitigation(struct b43_wldev *dev, int mode) |
| 3575 | { |
| 3576 | struct b43_phy *phy = &dev->phy; |
| 3577 | int currentmode; |
| 3578 | |
| 3579 | if ((phy->type != B43_PHYTYPE_G) || (phy->rev == 0) || (!phy->gmode)) |
| 3580 | return -ENODEV; |
| 3581 | |
| 3582 | phy->aci_wlan_automatic = 0; |
| 3583 | switch (mode) { |
| 3584 | case B43_INTERFMODE_AUTOWLAN: |
| 3585 | phy->aci_wlan_automatic = 1; |
| 3586 | if (phy->aci_enable) |
| 3587 | mode = B43_INTERFMODE_MANUALWLAN; |
| 3588 | else |
| 3589 | mode = B43_INTERFMODE_NONE; |
| 3590 | break; |
| 3591 | case B43_INTERFMODE_NONE: |
| 3592 | case B43_INTERFMODE_NONWLAN: |
| 3593 | case B43_INTERFMODE_MANUALWLAN: |
| 3594 | break; |
| 3595 | default: |
| 3596 | return -EINVAL; |
| 3597 | } |
| 3598 | |
| 3599 | currentmode = phy->interfmode; |
| 3600 | if (currentmode == mode) |
| 3601 | return 0; |
| 3602 | if (currentmode != B43_INTERFMODE_NONE) |
| 3603 | b43_radio_interference_mitigation_disable(dev, currentmode); |
| 3604 | |
| 3605 | if (mode == B43_INTERFMODE_NONE) { |
| 3606 | phy->aci_enable = 0; |
| 3607 | phy->aci_hw_rssi = 0; |
| 3608 | } else |
| 3609 | b43_radio_interference_mitigation_enable(dev, mode); |
| 3610 | phy->interfmode = mode; |
| 3611 | |
| 3612 | return 0; |
| 3613 | } |
| 3614 | |
| 3615 | static u16 b43_radio_core_calibration_value(struct b43_wldev *dev) |
| 3616 | { |
| 3617 | u16 reg, index, ret; |
| 3618 | |
| 3619 | static const u8 rcc_table[] = { |
| 3620 | 0x02, 0x03, 0x01, 0x0F, |
| 3621 | 0x06, 0x07, 0x05, 0x0F, |
| 3622 | 0x0A, 0x0B, 0x09, 0x0F, |
| 3623 | 0x0E, 0x0F, 0x0D, 0x0F, |
| 3624 | }; |
| 3625 | |
| 3626 | reg = b43_radio_read16(dev, 0x60); |
| 3627 | index = (reg & 0x001E) >> 1; |
| 3628 | ret = rcc_table[index] << 1; |
| 3629 | ret |= (reg & 0x0001); |
| 3630 | ret |= 0x0020; |
| 3631 | |
| 3632 | return ret; |
| 3633 | } |
| 3634 | |
| 3635 | #define LPD(L, P, D) (((L) << 2) | ((P) << 1) | ((D) << 0)) |
| 3636 | static u16 radio2050_rfover_val(struct b43_wldev *dev, |
| 3637 | u16 phy_register, unsigned int lpd) |
| 3638 | { |
| 3639 | struct b43_phy *phy = &dev->phy; |
| 3640 | struct ssb_sprom *sprom = &(dev->dev->bus->sprom); |
| 3641 | |
| 3642 | if (!phy->gmode) |
| 3643 | return 0; |
| 3644 | |
| 3645 | if (has_loopback_gain(phy)) { |
| 3646 | int max_lb_gain = phy->max_lb_gain; |
| 3647 | u16 extlna; |
| 3648 | u16 i; |
| 3649 | |
| 3650 | if (phy->radio_rev == 8) |
| 3651 | max_lb_gain += 0x3E; |
| 3652 | else |
| 3653 | max_lb_gain += 0x26; |
| 3654 | if (max_lb_gain >= 0x46) { |
| 3655 | extlna = 0x3000; |
| 3656 | max_lb_gain -= 0x46; |
| 3657 | } else if (max_lb_gain >= 0x3A) { |
| 3658 | extlna = 0x1000; |
| 3659 | max_lb_gain -= 0x3A; |
| 3660 | } else if (max_lb_gain >= 0x2E) { |
| 3661 | extlna = 0x2000; |
| 3662 | max_lb_gain -= 0x2E; |
| 3663 | } else { |
| 3664 | extlna = 0; |
| 3665 | max_lb_gain -= 0x10; |
| 3666 | } |
| 3667 | |
| 3668 | for (i = 0; i < 16; i++) { |
| 3669 | max_lb_gain -= (i * 6); |
| 3670 | if (max_lb_gain < 6) |
| 3671 | break; |
| 3672 | } |
| 3673 | |
| 3674 | if ((phy->rev < 7) || |
| 3675 | !(sprom->r1.boardflags_lo & B43_BFL_EXTLNA)) { |
| 3676 | if (phy_register == B43_PHY_RFOVER) { |
| 3677 | return 0x1B3; |
| 3678 | } else if (phy_register == B43_PHY_RFOVERVAL) { |
| 3679 | extlna |= (i << 8); |
| 3680 | switch (lpd) { |
| 3681 | case LPD(0, 1, 1): |
| 3682 | return 0x0F92; |
| 3683 | case LPD(0, 0, 1): |
| 3684 | case LPD(1, 0, 1): |
| 3685 | return (0x0092 | extlna); |
| 3686 | case LPD(1, 0, 0): |
| 3687 | return (0x0093 | extlna); |
| 3688 | } |
| 3689 | B43_WARN_ON(1); |
| 3690 | } |
| 3691 | B43_WARN_ON(1); |
| 3692 | } else { |
| 3693 | if (phy_register == B43_PHY_RFOVER) { |
| 3694 | return 0x9B3; |
| 3695 | } else if (phy_register == B43_PHY_RFOVERVAL) { |
| 3696 | if (extlna) |
| 3697 | extlna |= 0x8000; |
| 3698 | extlna |= (i << 8); |
| 3699 | switch (lpd) { |
| 3700 | case LPD(0, 1, 1): |
| 3701 | return 0x8F92; |
| 3702 | case LPD(0, 0, 1): |
| 3703 | return (0x8092 | extlna); |
| 3704 | case LPD(1, 0, 1): |
| 3705 | return (0x2092 | extlna); |
| 3706 | case LPD(1, 0, 0): |
| 3707 | return (0x2093 | extlna); |
| 3708 | } |
| 3709 | B43_WARN_ON(1); |
| 3710 | } |
| 3711 | B43_WARN_ON(1); |
| 3712 | } |
| 3713 | } else { |
| 3714 | if ((phy->rev < 7) || |
| 3715 | !(sprom->r1.boardflags_lo & B43_BFL_EXTLNA)) { |
| 3716 | if (phy_register == B43_PHY_RFOVER) { |
| 3717 | return 0x1B3; |
| 3718 | } else if (phy_register == B43_PHY_RFOVERVAL) { |
| 3719 | switch (lpd) { |
| 3720 | case LPD(0, 1, 1): |
| 3721 | return 0x0FB2; |
| 3722 | case LPD(0, 0, 1): |
| 3723 | return 0x00B2; |
| 3724 | case LPD(1, 0, 1): |
| 3725 | return 0x30B2; |
| 3726 | case LPD(1, 0, 0): |
| 3727 | return 0x30B3; |
| 3728 | } |
| 3729 | B43_WARN_ON(1); |
| 3730 | } |
| 3731 | B43_WARN_ON(1); |
| 3732 | } else { |
| 3733 | if (phy_register == B43_PHY_RFOVER) { |
| 3734 | return 0x9B3; |
| 3735 | } else if (phy_register == B43_PHY_RFOVERVAL) { |
| 3736 | switch (lpd) { |
| 3737 | case LPD(0, 1, 1): |
| 3738 | return 0x8FB2; |
| 3739 | case LPD(0, 0, 1): |
| 3740 | return 0x80B2; |
| 3741 | case LPD(1, 0, 1): |
| 3742 | return 0x20B2; |
| 3743 | case LPD(1, 0, 0): |
| 3744 | return 0x20B3; |
| 3745 | } |
| 3746 | B43_WARN_ON(1); |
| 3747 | } |
| 3748 | B43_WARN_ON(1); |
| 3749 | } |
| 3750 | } |
| 3751 | return 0; |
| 3752 | } |
| 3753 | |
| 3754 | struct init2050_saved_values { |
| 3755 | /* Core registers */ |
| 3756 | u16 reg_3EC; |
| 3757 | u16 reg_3E6; |
| 3758 | u16 reg_3F4; |
| 3759 | /* Radio registers */ |
| 3760 | u16 radio_43; |
| 3761 | u16 radio_51; |
| 3762 | u16 radio_52; |
| 3763 | /* PHY registers */ |
| 3764 | u16 phy_pgactl; |
| 3765 | u16 phy_base_5A; |
| 3766 | u16 phy_base_59; |
| 3767 | u16 phy_base_58; |
| 3768 | u16 phy_base_30; |
| 3769 | u16 phy_rfover; |
| 3770 | u16 phy_rfoverval; |
| 3771 | u16 phy_analogover; |
| 3772 | u16 phy_analogoverval; |
| 3773 | u16 phy_crs0; |
| 3774 | u16 phy_classctl; |
| 3775 | u16 phy_lo_mask; |
| 3776 | u16 phy_lo_ctl; |
| 3777 | u16 phy_syncctl; |
| 3778 | }; |
| 3779 | |
| 3780 | u16 b43_radio_init2050(struct b43_wldev *dev) |
| 3781 | { |
| 3782 | struct b43_phy *phy = &dev->phy; |
| 3783 | struct init2050_saved_values sav; |
| 3784 | u16 rcc; |
| 3785 | u16 radio78; |
| 3786 | u16 ret; |
| 3787 | u16 i, j; |
| 3788 | u32 tmp1 = 0, tmp2 = 0; |
| 3789 | |
| 3790 | memset(&sav, 0, sizeof(sav)); /* get rid of "may be used uninitialized..." */ |
| 3791 | |
| 3792 | sav.radio_43 = b43_radio_read16(dev, 0x43); |
| 3793 | sav.radio_51 = b43_radio_read16(dev, 0x51); |
| 3794 | sav.radio_52 = b43_radio_read16(dev, 0x52); |
| 3795 | sav.phy_pgactl = b43_phy_read(dev, B43_PHY_PGACTL); |
| 3796 | sav.phy_base_5A = b43_phy_read(dev, B43_PHY_BASE(0x5A)); |
| 3797 | sav.phy_base_59 = b43_phy_read(dev, B43_PHY_BASE(0x59)); |
| 3798 | sav.phy_base_58 = b43_phy_read(dev, B43_PHY_BASE(0x58)); |
| 3799 | |
| 3800 | if (phy->type == B43_PHYTYPE_B) { |
| 3801 | sav.phy_base_30 = b43_phy_read(dev, B43_PHY_BASE(0x30)); |
| 3802 | sav.reg_3EC = b43_read16(dev, 0x3EC); |
| 3803 | |
| 3804 | b43_phy_write(dev, B43_PHY_BASE(0x30), 0xFF); |
| 3805 | b43_write16(dev, 0x3EC, 0x3F3F); |
| 3806 | } else if (phy->gmode || phy->rev >= 2) { |
| 3807 | sav.phy_rfover = b43_phy_read(dev, B43_PHY_RFOVER); |
| 3808 | sav.phy_rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL); |
| 3809 | sav.phy_analogover = b43_phy_read(dev, B43_PHY_ANALOGOVER); |
| 3810 | sav.phy_analogoverval = |
| 3811 | b43_phy_read(dev, B43_PHY_ANALOGOVERVAL); |
| 3812 | sav.phy_crs0 = b43_phy_read(dev, B43_PHY_CRS0); |
| 3813 | sav.phy_classctl = b43_phy_read(dev, B43_PHY_CLASSCTL); |
| 3814 | |
| 3815 | b43_phy_write(dev, B43_PHY_ANALOGOVER, |
| 3816 | b43_phy_read(dev, B43_PHY_ANALOGOVER) |
| 3817 | | 0x0003); |
| 3818 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, |
| 3819 | b43_phy_read(dev, B43_PHY_ANALOGOVERVAL) |
| 3820 | & 0xFFFC); |
| 3821 | b43_phy_write(dev, B43_PHY_CRS0, b43_phy_read(dev, B43_PHY_CRS0) |
| 3822 | & 0x7FFF); |
| 3823 | b43_phy_write(dev, B43_PHY_CLASSCTL, |
| 3824 | b43_phy_read(dev, B43_PHY_CLASSCTL) |
| 3825 | & 0xFFFC); |
| 3826 | if (has_loopback_gain(phy)) { |
| 3827 | sav.phy_lo_mask = b43_phy_read(dev, B43_PHY_LO_MASK); |
| 3828 | sav.phy_lo_ctl = b43_phy_read(dev, B43_PHY_LO_CTL); |
| 3829 | |
| 3830 | if (phy->rev >= 3) |
| 3831 | b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020); |
| 3832 | else |
| 3833 | b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020); |
| 3834 | b43_phy_write(dev, B43_PHY_LO_CTL, 0); |
| 3835 | } |
| 3836 | |
| 3837 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 3838 | radio2050_rfover_val(dev, B43_PHY_RFOVERVAL, |
| 3839 | LPD(0, 1, 1))); |
| 3840 | b43_phy_write(dev, B43_PHY_RFOVER, |
| 3841 | radio2050_rfover_val(dev, B43_PHY_RFOVER, 0)); |
| 3842 | } |
| 3843 | b43_write16(dev, 0x3E2, b43_read16(dev, 0x3E2) | 0x8000); |
| 3844 | |
| 3845 | sav.phy_syncctl = b43_phy_read(dev, B43_PHY_SYNCCTL); |
| 3846 | b43_phy_write(dev, B43_PHY_SYNCCTL, b43_phy_read(dev, B43_PHY_SYNCCTL) |
| 3847 | & 0xFF7F); |
| 3848 | sav.reg_3E6 = b43_read16(dev, 0x3E6); |
| 3849 | sav.reg_3F4 = b43_read16(dev, 0x3F4); |
| 3850 | |
| 3851 | if (phy->analog == 0) { |
| 3852 | b43_write16(dev, 0x03E6, 0x0122); |
| 3853 | } else { |
| 3854 | if (phy->analog >= 2) { |
| 3855 | b43_phy_write(dev, B43_PHY_BASE(0x03), |
| 3856 | (b43_phy_read(dev, B43_PHY_BASE(0x03)) |
| 3857 | & 0xFFBF) | 0x40); |
| 3858 | } |
| 3859 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, |
| 3860 | (b43_read16(dev, B43_MMIO_CHANNEL_EXT) | 0x2000)); |
| 3861 | } |
| 3862 | |
| 3863 | rcc = b43_radio_core_calibration_value(dev); |
| 3864 | |
| 3865 | if (phy->type == B43_PHYTYPE_B) |
| 3866 | b43_radio_write16(dev, 0x78, 0x26); |
| 3867 | if (phy->gmode || phy->rev >= 2) { |
| 3868 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 3869 | radio2050_rfover_val(dev, B43_PHY_RFOVERVAL, |
| 3870 | LPD(0, 1, 1))); |
| 3871 | } |
| 3872 | b43_phy_write(dev, B43_PHY_PGACTL, 0xBFAF); |
| 3873 | b43_phy_write(dev, B43_PHY_BASE(0x2B), 0x1403); |
| 3874 | if (phy->gmode || phy->rev >= 2) { |
| 3875 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 3876 | radio2050_rfover_val(dev, B43_PHY_RFOVERVAL, |
| 3877 | LPD(0, 0, 1))); |
| 3878 | } |
| 3879 | b43_phy_write(dev, B43_PHY_PGACTL, 0xBFA0); |
| 3880 | b43_radio_write16(dev, 0x51, b43_radio_read16(dev, 0x51) |
| 3881 | | 0x0004); |
| 3882 | if (phy->radio_rev == 8) { |
| 3883 | b43_radio_write16(dev, 0x43, 0x1F); |
| 3884 | } else { |
| 3885 | b43_radio_write16(dev, 0x52, 0); |
| 3886 | b43_radio_write16(dev, 0x43, (b43_radio_read16(dev, 0x43) |
| 3887 | & 0xFFF0) | 0x0009); |
| 3888 | } |
| 3889 | b43_phy_write(dev, B43_PHY_BASE(0x58), 0); |
| 3890 | |
| 3891 | for (i = 0; i < 16; i++) { |
| 3892 | b43_phy_write(dev, B43_PHY_BASE(0x5A), 0x0480); |
| 3893 | b43_phy_write(dev, B43_PHY_BASE(0x59), 0xC810); |
| 3894 | b43_phy_write(dev, B43_PHY_BASE(0x58), 0x000D); |
| 3895 | if (phy->gmode || phy->rev >= 2) { |
| 3896 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 3897 | radio2050_rfover_val(dev, |
| 3898 | B43_PHY_RFOVERVAL, |
| 3899 | LPD(1, 0, 1))); |
| 3900 | } |
| 3901 | b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0); |
| 3902 | udelay(10); |
| 3903 | if (phy->gmode || phy->rev >= 2) { |
| 3904 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 3905 | radio2050_rfover_val(dev, |
| 3906 | B43_PHY_RFOVERVAL, |
| 3907 | LPD(1, 0, 1))); |
| 3908 | } |
| 3909 | b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0); |
| 3910 | udelay(10); |
| 3911 | if (phy->gmode || phy->rev >= 2) { |
| 3912 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 3913 | radio2050_rfover_val(dev, |
| 3914 | B43_PHY_RFOVERVAL, |
| 3915 | LPD(1, 0, 0))); |
| 3916 | } |
| 3917 | b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0); |
| 3918 | udelay(20); |
| 3919 | tmp1 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE); |
| 3920 | b43_phy_write(dev, B43_PHY_BASE(0x58), 0); |
| 3921 | if (phy->gmode || phy->rev >= 2) { |
| 3922 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 3923 | radio2050_rfover_val(dev, |
| 3924 | B43_PHY_RFOVERVAL, |
| 3925 | LPD(1, 0, 1))); |
| 3926 | } |
| 3927 | b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0); |
| 3928 | } |
| 3929 | udelay(10); |
| 3930 | |
| 3931 | b43_phy_write(dev, B43_PHY_BASE(0x58), 0); |
| 3932 | tmp1++; |
| 3933 | tmp1 >>= 9; |
| 3934 | |
| 3935 | for (i = 0; i < 16; i++) { |
| 3936 | radio78 = ((flip_4bit(i) << 1) | 0x20); |
| 3937 | b43_radio_write16(dev, 0x78, radio78); |
| 3938 | udelay(10); |
| 3939 | for (j = 0; j < 16; j++) { |
| 3940 | b43_phy_write(dev, B43_PHY_BASE(0x5A), 0x0D80); |
| 3941 | b43_phy_write(dev, B43_PHY_BASE(0x59), 0xC810); |
| 3942 | b43_phy_write(dev, B43_PHY_BASE(0x58), 0x000D); |
| 3943 | if (phy->gmode || phy->rev >= 2) { |
| 3944 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 3945 | radio2050_rfover_val(dev, |
| 3946 | B43_PHY_RFOVERVAL, |
| 3947 | LPD(1, 0, |
| 3948 | 1))); |
| 3949 | } |
| 3950 | b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0); |
| 3951 | udelay(10); |
| 3952 | if (phy->gmode || phy->rev >= 2) { |
| 3953 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 3954 | radio2050_rfover_val(dev, |
| 3955 | B43_PHY_RFOVERVAL, |
| 3956 | LPD(1, 0, |
| 3957 | 1))); |
| 3958 | } |
| 3959 | b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0); |
| 3960 | udelay(10); |
| 3961 | if (phy->gmode || phy->rev >= 2) { |
| 3962 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 3963 | radio2050_rfover_val(dev, |
| 3964 | B43_PHY_RFOVERVAL, |
| 3965 | LPD(1, 0, |
| 3966 | 0))); |
| 3967 | } |
| 3968 | b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0); |
| 3969 | udelay(10); |
| 3970 | tmp2 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE); |
| 3971 | b43_phy_write(dev, B43_PHY_BASE(0x58), 0); |
| 3972 | if (phy->gmode || phy->rev >= 2) { |
| 3973 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 3974 | radio2050_rfover_val(dev, |
| 3975 | B43_PHY_RFOVERVAL, |
| 3976 | LPD(1, 0, |
| 3977 | 1))); |
| 3978 | } |
| 3979 | b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0); |
| 3980 | } |
| 3981 | tmp2++; |
| 3982 | tmp2 >>= 8; |
| 3983 | if (tmp1 < tmp2) |
| 3984 | break; |
| 3985 | } |
| 3986 | |
| 3987 | /* Restore the registers */ |
| 3988 | b43_phy_write(dev, B43_PHY_PGACTL, sav.phy_pgactl); |
| 3989 | b43_radio_write16(dev, 0x51, sav.radio_51); |
| 3990 | b43_radio_write16(dev, 0x52, sav.radio_52); |
| 3991 | b43_radio_write16(dev, 0x43, sav.radio_43); |
| 3992 | b43_phy_write(dev, B43_PHY_BASE(0x5A), sav.phy_base_5A); |
| 3993 | b43_phy_write(dev, B43_PHY_BASE(0x59), sav.phy_base_59); |
| 3994 | b43_phy_write(dev, B43_PHY_BASE(0x58), sav.phy_base_58); |
| 3995 | b43_write16(dev, 0x3E6, sav.reg_3E6); |
| 3996 | if (phy->analog != 0) |
| 3997 | b43_write16(dev, 0x3F4, sav.reg_3F4); |
| 3998 | b43_phy_write(dev, B43_PHY_SYNCCTL, sav.phy_syncctl); |
| 3999 | b43_synth_pu_workaround(dev, phy->channel); |
| 4000 | if (phy->type == B43_PHYTYPE_B) { |
| 4001 | b43_phy_write(dev, B43_PHY_BASE(0x30), sav.phy_base_30); |
| 4002 | b43_write16(dev, 0x3EC, sav.reg_3EC); |
| 4003 | } else if (phy->gmode) { |
| 4004 | b43_write16(dev, B43_MMIO_PHY_RADIO, |
| 4005 | b43_read16(dev, B43_MMIO_PHY_RADIO) |
| 4006 | & 0x7FFF); |
| 4007 | b43_phy_write(dev, B43_PHY_RFOVER, sav.phy_rfover); |
| 4008 | b43_phy_write(dev, B43_PHY_RFOVERVAL, sav.phy_rfoverval); |
| 4009 | b43_phy_write(dev, B43_PHY_ANALOGOVER, sav.phy_analogover); |
| 4010 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, |
| 4011 | sav.phy_analogoverval); |
| 4012 | b43_phy_write(dev, B43_PHY_CRS0, sav.phy_crs0); |
| 4013 | b43_phy_write(dev, B43_PHY_CLASSCTL, sav.phy_classctl); |
| 4014 | if (has_loopback_gain(phy)) { |
| 4015 | b43_phy_write(dev, B43_PHY_LO_MASK, sav.phy_lo_mask); |
| 4016 | b43_phy_write(dev, B43_PHY_LO_CTL, sav.phy_lo_ctl); |
| 4017 | } |
| 4018 | } |
| 4019 | if (i > 15) |
| 4020 | ret = radio78; |
| 4021 | else |
| 4022 | ret = rcc; |
| 4023 | |
| 4024 | return ret; |
| 4025 | } |
| 4026 | |
| 4027 | void b43_radio_init2060(struct b43_wldev *dev) |
| 4028 | { |
| 4029 | int err; |
| 4030 | |
| 4031 | b43_radio_write16(dev, 0x0004, 0x00C0); |
| 4032 | b43_radio_write16(dev, 0x0005, 0x0008); |
| 4033 | b43_radio_write16(dev, 0x0009, 0x0040); |
| 4034 | b43_radio_write16(dev, 0x0005, 0x00AA); |
| 4035 | b43_radio_write16(dev, 0x0032, 0x008F); |
| 4036 | b43_radio_write16(dev, 0x0006, 0x008F); |
| 4037 | b43_radio_write16(dev, 0x0034, 0x008F); |
| 4038 | b43_radio_write16(dev, 0x002C, 0x0007); |
| 4039 | b43_radio_write16(dev, 0x0082, 0x0080); |
| 4040 | b43_radio_write16(dev, 0x0080, 0x0000); |
| 4041 | b43_radio_write16(dev, 0x003F, 0x00DA); |
| 4042 | b43_radio_write16(dev, 0x0005, b43_radio_read16(dev, 0x0005) & ~0x0008); |
| 4043 | b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0010); |
| 4044 | b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0020); |
| 4045 | b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0020); |
| 4046 | msleep(1); /* delay 400usec */ |
| 4047 | |
| 4048 | b43_radio_write16(dev, 0x0081, |
| 4049 | (b43_radio_read16(dev, 0x0081) & ~0x0020) | 0x0010); |
| 4050 | msleep(1); /* delay 400usec */ |
| 4051 | |
| 4052 | b43_radio_write16(dev, 0x0005, |
| 4053 | (b43_radio_read16(dev, 0x0005) & ~0x0008) | 0x0008); |
| 4054 | b43_radio_write16(dev, 0x0085, b43_radio_read16(dev, 0x0085) & ~0x0010); |
| 4055 | b43_radio_write16(dev, 0x0005, b43_radio_read16(dev, 0x0005) & ~0x0008); |
| 4056 | b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0040); |
| 4057 | b43_radio_write16(dev, 0x0081, |
| 4058 | (b43_radio_read16(dev, 0x0081) & ~0x0040) | 0x0040); |
| 4059 | b43_radio_write16(dev, 0x0005, |
| 4060 | (b43_radio_read16(dev, 0x0081) & ~0x0008) | 0x0008); |
| 4061 | b43_phy_write(dev, 0x0063, 0xDDC6); |
| 4062 | b43_phy_write(dev, 0x0069, 0x07BE); |
| 4063 | b43_phy_write(dev, 0x006A, 0x0000); |
| 4064 | |
| 4065 | err = b43_radio_selectchannel(dev, B43_DEFAULT_CHANNEL_A, 0); |
| 4066 | B43_WARN_ON(err); |
| 4067 | |
| 4068 | msleep(1); |
| 4069 | } |
| 4070 | |
| 4071 | static inline u16 freq_r3A_value(u16 frequency) |
| 4072 | { |
| 4073 | u16 value; |
| 4074 | |
| 4075 | if (frequency < 5091) |
| 4076 | value = 0x0040; |
| 4077 | else if (frequency < 5321) |
| 4078 | value = 0x0000; |
| 4079 | else if (frequency < 5806) |
| 4080 | value = 0x0080; |
| 4081 | else |
| 4082 | value = 0x0040; |
| 4083 | |
| 4084 | return value; |
| 4085 | } |
| 4086 | |
| 4087 | void b43_radio_set_tx_iq(struct b43_wldev *dev) |
| 4088 | { |
| 4089 | static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 }; |
| 4090 | static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A }; |
| 4091 | u16 tmp = b43_radio_read16(dev, 0x001E); |
| 4092 | int i, j; |
| 4093 | |
| 4094 | for (i = 0; i < 5; i++) { |
| 4095 | for (j = 0; j < 5; j++) { |
| 4096 | if (tmp == (data_high[i] << 4 | data_low[j])) { |
| 4097 | b43_phy_write(dev, 0x0069, |
| 4098 | (i - j) << 8 | 0x00C0); |
| 4099 | return; |
| 4100 | } |
| 4101 | } |
| 4102 | } |
| 4103 | } |
| 4104 | |
| 4105 | int b43_radio_selectchannel(struct b43_wldev *dev, |
| 4106 | u8 channel, int synthetic_pu_workaround) |
| 4107 | { |
| 4108 | struct b43_phy *phy = &dev->phy; |
| 4109 | u16 r8, tmp; |
| 4110 | u16 freq; |
| 4111 | u16 channelcookie; |
| 4112 | |
| 4113 | /* First we set the channel radio code to prevent the |
| 4114 | * firmware from sending ghost packets. |
| 4115 | */ |
| 4116 | channelcookie = channel; |
| 4117 | if (phy->type == B43_PHYTYPE_A) |
| 4118 | channelcookie |= 0x100; |
| 4119 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_CHAN, channelcookie); |
| 4120 | |
| 4121 | if (phy->type == B43_PHYTYPE_A) { |
| 4122 | if (channel > 200) |
| 4123 | return -EINVAL; |
| 4124 | freq = channel2freq_a(channel); |
| 4125 | |
| 4126 | r8 = b43_radio_read16(dev, 0x0008); |
| 4127 | b43_write16(dev, 0x03F0, freq); |
| 4128 | b43_radio_write16(dev, 0x0008, r8); |
| 4129 | |
| 4130 | //TODO: write max channel TX power? to Radio 0x2D |
| 4131 | tmp = b43_radio_read16(dev, 0x002E); |
| 4132 | tmp &= 0x0080; |
| 4133 | //TODO: OR tmp with the Power out estimation for this channel? |
| 4134 | b43_radio_write16(dev, 0x002E, tmp); |
| 4135 | |
| 4136 | if (freq >= 4920 && freq <= 5500) { |
| 4137 | /* |
| 4138 | * r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F; |
| 4139 | * = (freq * 0.025862069 |
| 4140 | */ |
| 4141 | r8 = 3 * freq / 116; /* is equal to r8 = freq * 0.025862 */ |
| 4142 | } |
| 4143 | b43_radio_write16(dev, 0x0007, (r8 << 4) | r8); |
| 4144 | b43_radio_write16(dev, 0x0020, (r8 << 4) | r8); |
| 4145 | b43_radio_write16(dev, 0x0021, (r8 << 4) | r8); |
| 4146 | b43_radio_write16(dev, 0x0022, (b43_radio_read16(dev, 0x0022) |
| 4147 | & 0x000F) | (r8 << 4)); |
| 4148 | b43_radio_write16(dev, 0x002A, (r8 << 4)); |
| 4149 | b43_radio_write16(dev, 0x002B, (r8 << 4)); |
| 4150 | b43_radio_write16(dev, 0x0008, (b43_radio_read16(dev, 0x0008) |
| 4151 | & 0x00F0) | (r8 << 4)); |
| 4152 | b43_radio_write16(dev, 0x0029, (b43_radio_read16(dev, 0x0029) |
| 4153 | & 0xFF0F) | 0x00B0); |
| 4154 | b43_radio_write16(dev, 0x0035, 0x00AA); |
| 4155 | b43_radio_write16(dev, 0x0036, 0x0085); |
| 4156 | b43_radio_write16(dev, 0x003A, (b43_radio_read16(dev, 0x003A) |
| 4157 | & 0xFF20) | |
| 4158 | freq_r3A_value(freq)); |
| 4159 | b43_radio_write16(dev, 0x003D, |
| 4160 | b43_radio_read16(dev, 0x003D) & 0x00FF); |
| 4161 | b43_radio_write16(dev, 0x0081, (b43_radio_read16(dev, 0x0081) |
| 4162 | & 0xFF7F) | 0x0080); |
| 4163 | b43_radio_write16(dev, 0x0035, |
| 4164 | b43_radio_read16(dev, 0x0035) & 0xFFEF); |
| 4165 | b43_radio_write16(dev, 0x0035, (b43_radio_read16(dev, 0x0035) |
| 4166 | & 0xFFEF) | 0x0010); |
| 4167 | b43_radio_set_tx_iq(dev); |
| 4168 | //TODO: TSSI2dbm workaround |
| 4169 | b43_phy_xmitpower(dev); //FIXME correct? |
| 4170 | } else { |
| 4171 | if ((channel < 1) || (channel > 14)) |
| 4172 | return -EINVAL; |
| 4173 | |
| 4174 | if (synthetic_pu_workaround) |
| 4175 | b43_synth_pu_workaround(dev, channel); |
| 4176 | |
| 4177 | b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel)); |
| 4178 | |
| 4179 | if (channel == 14) { |
| 4180 | if (dev->dev->bus->sprom.r1.country_code == |
| 4181 | SSB_SPROM1CCODE_JAPAN) |
| 4182 | b43_hf_write(dev, |
| 4183 | b43_hf_read(dev) & ~B43_HF_ACPR); |
| 4184 | else |
| 4185 | b43_hf_write(dev, |
| 4186 | b43_hf_read(dev) | B43_HF_ACPR); |
| 4187 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, |
| 4188 | b43_read16(dev, B43_MMIO_CHANNEL_EXT) |
| 4189 | | (1 << 11)); |
| 4190 | } else { |
| 4191 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, |
| 4192 | b43_read16(dev, B43_MMIO_CHANNEL_EXT) |
| 4193 | & 0xF7BF); |
| 4194 | } |
| 4195 | } |
| 4196 | |
| 4197 | phy->channel = channel; |
| 4198 | /* Wait for the radio to tune to the channel and stabilize. */ |
| 4199 | msleep(8); |
| 4200 | |
| 4201 | return 0; |
| 4202 | } |
| 4203 | |
| 4204 | /* http://bcm-specs.sipsolutions.net/TX_Gain_Base_Band */ |
| 4205 | static u16 b43_get_txgain_base_band(u16 txpower) |
| 4206 | { |
| 4207 | u16 ret; |
| 4208 | |
| 4209 | B43_WARN_ON(txpower > 63); |
| 4210 | |
| 4211 | if (txpower >= 54) |
| 4212 | ret = 2; |
| 4213 | else if (txpower >= 49) |
| 4214 | ret = 4; |
| 4215 | else if (txpower >= 44) |
| 4216 | ret = 5; |
| 4217 | else |
| 4218 | ret = 6; |
| 4219 | |
| 4220 | return ret; |
| 4221 | } |
| 4222 | |
| 4223 | /* http://bcm-specs.sipsolutions.net/TX_Gain_Radio_Frequency_Power_Amplifier */ |
| 4224 | static u16 b43_get_txgain_freq_power_amp(u16 txpower) |
| 4225 | { |
| 4226 | u16 ret; |
| 4227 | |
| 4228 | B43_WARN_ON(txpower > 63); |
| 4229 | |
| 4230 | if (txpower >= 32) |
| 4231 | ret = 0; |
| 4232 | else if (txpower >= 25) |
| 4233 | ret = 1; |
| 4234 | else if (txpower >= 20) |
| 4235 | ret = 2; |
| 4236 | else if (txpower >= 12) |
| 4237 | ret = 3; |
| 4238 | else |
| 4239 | ret = 4; |
| 4240 | |
| 4241 | return ret; |
| 4242 | } |
| 4243 | |
| 4244 | /* http://bcm-specs.sipsolutions.net/TX_Gain_Digital_Analog_Converter */ |
| 4245 | static u16 b43_get_txgain_dac(u16 txpower) |
| 4246 | { |
| 4247 | u16 ret; |
| 4248 | |
| 4249 | B43_WARN_ON(txpower > 63); |
| 4250 | |
| 4251 | if (txpower >= 54) |
| 4252 | ret = txpower - 53; |
| 4253 | else if (txpower >= 49) |
| 4254 | ret = txpower - 42; |
| 4255 | else if (txpower >= 44) |
| 4256 | ret = txpower - 37; |
| 4257 | else if (txpower >= 32) |
| 4258 | ret = txpower - 32; |
| 4259 | else if (txpower >= 25) |
| 4260 | ret = txpower - 20; |
| 4261 | else if (txpower >= 20) |
| 4262 | ret = txpower - 13; |
| 4263 | else if (txpower >= 12) |
| 4264 | ret = txpower - 8; |
| 4265 | else |
| 4266 | ret = txpower; |
| 4267 | |
| 4268 | return ret; |
| 4269 | } |
| 4270 | |
| 4271 | static void b43_radio_set_txpower_a(struct b43_wldev *dev, u16 txpower) |
| 4272 | { |
| 4273 | struct b43_phy *phy = &dev->phy; |
| 4274 | u16 pamp, base, dac, t; |
| 4275 | |
| 4276 | txpower = limit_value(txpower, 0, 63); |
| 4277 | |
| 4278 | pamp = b43_get_txgain_freq_power_amp(txpower); |
| 4279 | pamp <<= 5; |
| 4280 | pamp &= 0x00E0; |
| 4281 | b43_phy_write(dev, 0x0019, pamp); |
| 4282 | |
| 4283 | base = b43_get_txgain_base_band(txpower); |
| 4284 | base &= 0x000F; |
| 4285 | b43_phy_write(dev, 0x0017, base | 0x0020); |
| 4286 | |
| 4287 | t = b43_ofdmtab_read16(dev, 0x3000, 1); |
| 4288 | t &= 0x0007; |
| 4289 | |
| 4290 | dac = b43_get_txgain_dac(txpower); |
| 4291 | dac <<= 3; |
| 4292 | dac |= t; |
| 4293 | |
| 4294 | b43_ofdmtab_write16(dev, 0x3000, 1, dac); |
| 4295 | |
| 4296 | phy->txpwr_offset = txpower; |
| 4297 | |
| 4298 | //TODO: FuncPlaceholder (Adjust BB loft cancel) |
| 4299 | } |
| 4300 | |
| 4301 | void b43_radio_turn_on(struct b43_wldev *dev) |
| 4302 | { |
| 4303 | struct b43_phy *phy = &dev->phy; |
| 4304 | int err; |
| 4305 | |
| 4306 | might_sleep(); |
| 4307 | |
| 4308 | if (phy->radio_on) |
| 4309 | return; |
| 4310 | |
| 4311 | switch (phy->type) { |
| 4312 | case B43_PHYTYPE_A: |
| 4313 | b43_radio_write16(dev, 0x0004, 0x00C0); |
| 4314 | b43_radio_write16(dev, 0x0005, 0x0008); |
| 4315 | b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) & 0xFFF7); |
| 4316 | b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) & 0xFFF7); |
| 4317 | b43_radio_init2060(dev); |
| 4318 | break; |
| 4319 | case B43_PHYTYPE_B: |
| 4320 | case B43_PHYTYPE_G: |
| 4321 | b43_phy_write(dev, 0x0015, 0x8000); |
| 4322 | b43_phy_write(dev, 0x0015, 0xCC00); |
| 4323 | b43_phy_write(dev, 0x0015, (phy->gmode ? 0x00C0 : 0x0000)); |
| 4324 | err = b43_radio_selectchannel(dev, B43_DEFAULT_CHANNEL_BG, 1); |
| 4325 | B43_WARN_ON(err); |
| 4326 | break; |
| 4327 | default: |
| 4328 | B43_WARN_ON(1); |
| 4329 | } |
| 4330 | phy->radio_on = 1; |
| 4331 | b43dbg(dev->wl, "Radio turned on\n"); |
| 4332 | } |
| 4333 | |
| 4334 | void b43_radio_turn_off(struct b43_wldev *dev) |
| 4335 | { |
| 4336 | struct b43_phy *phy = &dev->phy; |
| 4337 | |
| 4338 | if (phy->type == B43_PHYTYPE_A) { |
| 4339 | b43_radio_write16(dev, 0x0004, 0x00FF); |
| 4340 | b43_radio_write16(dev, 0x0005, 0x00FB); |
| 4341 | b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) | 0x0008); |
| 4342 | b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) | 0x0008); |
| 4343 | } |
| 4344 | if (phy->type == B43_PHYTYPE_G && dev->dev->id.revision >= 5) { |
| 4345 | b43_phy_write(dev, 0x0811, b43_phy_read(dev, 0x0811) | 0x008C); |
| 4346 | b43_phy_write(dev, 0x0812, b43_phy_read(dev, 0x0812) & 0xFF73); |
| 4347 | } else |
| 4348 | b43_phy_write(dev, 0x0015, 0xAA00); |
| 4349 | phy->radio_on = 0; |
| 4350 | b43dbg(dev->wl, "Radio turned off\n"); |
| 4351 | } |