Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1 | /* |
| 2 | |
| 3 | Broadcom B43 wireless driver |
| 4 | IEEE 802.11g PHY driver |
| 5 | |
| 6 | Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, |
| 7 | Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it> |
| 8 | Copyright (c) 2005-2008 Michael Buesch <mb@bu3sch.de> |
| 9 | Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org> |
| 10 | Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch> |
| 11 | |
| 12 | This program is free software; you can redistribute it and/or modify |
| 13 | it under the terms of the GNU General Public License as published by |
| 14 | the Free Software Foundation; either version 2 of the License, or |
| 15 | (at your option) any later version. |
| 16 | |
| 17 | This program is distributed in the hope that it will be useful, |
| 18 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | GNU General Public License for more details. |
| 21 | |
| 22 | You should have received a copy of the GNU General Public License |
| 23 | along with this program; see the file COPYING. If not, write to |
| 24 | the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, |
| 25 | Boston, MA 02110-1301, USA. |
| 26 | |
| 27 | */ |
| 28 | |
| 29 | #include "b43.h" |
| 30 | #include "phy_g.h" |
| 31 | #include "phy_common.h" |
| 32 | #include "lo.h" |
| 33 | #include "main.h" |
| 34 | |
| 35 | #include <linux/bitrev.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 36 | #include <linux/slab.h> |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 37 | |
| 38 | |
| 39 | static const s8 b43_tssi2dbm_g_table[] = { |
| 40 | 77, 77, 77, 76, |
| 41 | 76, 76, 75, 75, |
| 42 | 74, 74, 73, 73, |
| 43 | 73, 72, 72, 71, |
| 44 | 71, 70, 70, 69, |
| 45 | 68, 68, 67, 67, |
| 46 | 66, 65, 65, 64, |
| 47 | 63, 63, 62, 61, |
| 48 | 60, 59, 58, 57, |
| 49 | 56, 55, 54, 53, |
| 50 | 52, 50, 49, 47, |
| 51 | 45, 43, 40, 37, |
| 52 | 33, 28, 22, 14, |
| 53 | 5, -7, -20, -20, |
| 54 | -20, -20, -20, -20, |
| 55 | -20, -20, -20, -20, |
| 56 | }; |
| 57 | |
Hannes Eder | 11ab72a | 2008-12-26 00:13:46 -0800 | [diff] [blame] | 58 | static const u8 b43_radio_channel_codes_bg[] = { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 59 | 12, 17, 22, 27, |
| 60 | 32, 37, 42, 47, |
| 61 | 52, 57, 62, 67, |
| 62 | 72, 84, |
| 63 | }; |
| 64 | |
| 65 | |
| 66 | static void b43_calc_nrssi_threshold(struct b43_wldev *dev); |
| 67 | |
| 68 | |
| 69 | #define bitrev4(tmp) (bitrev8(tmp) >> 4) |
| 70 | |
| 71 | |
| 72 | /* Get the freq, as it has to be written to the device. */ |
| 73 | static inline u16 channel2freq_bg(u8 channel) |
| 74 | { |
| 75 | B43_WARN_ON(!(channel >= 1 && channel <= 14)); |
| 76 | |
| 77 | return b43_radio_channel_codes_bg[channel - 1]; |
| 78 | } |
| 79 | |
| 80 | static void generate_rfatt_list(struct b43_wldev *dev, |
| 81 | struct b43_rfatt_list *list) |
| 82 | { |
| 83 | struct b43_phy *phy = &dev->phy; |
| 84 | |
| 85 | /* APHY.rev < 5 || GPHY.rev < 6 */ |
| 86 | static const struct b43_rfatt rfatt_0[] = { |
| 87 | {.att = 3,.with_padmix = 0,}, |
| 88 | {.att = 1,.with_padmix = 0,}, |
| 89 | {.att = 5,.with_padmix = 0,}, |
| 90 | {.att = 7,.with_padmix = 0,}, |
| 91 | {.att = 9,.with_padmix = 0,}, |
| 92 | {.att = 2,.with_padmix = 0,}, |
| 93 | {.att = 0,.with_padmix = 0,}, |
| 94 | {.att = 4,.with_padmix = 0,}, |
| 95 | {.att = 6,.with_padmix = 0,}, |
| 96 | {.att = 8,.with_padmix = 0,}, |
| 97 | {.att = 1,.with_padmix = 1,}, |
| 98 | {.att = 2,.with_padmix = 1,}, |
| 99 | {.att = 3,.with_padmix = 1,}, |
| 100 | {.att = 4,.with_padmix = 1,}, |
| 101 | }; |
| 102 | /* Radio.rev == 8 && Radio.version == 0x2050 */ |
| 103 | static const struct b43_rfatt rfatt_1[] = { |
| 104 | {.att = 2,.with_padmix = 1,}, |
| 105 | {.att = 4,.with_padmix = 1,}, |
| 106 | {.att = 6,.with_padmix = 1,}, |
| 107 | {.att = 8,.with_padmix = 1,}, |
| 108 | {.att = 10,.with_padmix = 1,}, |
| 109 | {.att = 12,.with_padmix = 1,}, |
| 110 | {.att = 14,.with_padmix = 1,}, |
| 111 | }; |
| 112 | /* Otherwise */ |
| 113 | static const struct b43_rfatt rfatt_2[] = { |
| 114 | {.att = 0,.with_padmix = 1,}, |
| 115 | {.att = 2,.with_padmix = 1,}, |
| 116 | {.att = 4,.with_padmix = 1,}, |
| 117 | {.att = 6,.with_padmix = 1,}, |
| 118 | {.att = 8,.with_padmix = 1,}, |
| 119 | {.att = 9,.with_padmix = 1,}, |
| 120 | {.att = 9,.with_padmix = 1,}, |
| 121 | }; |
| 122 | |
| 123 | if (!b43_has_hardware_pctl(dev)) { |
| 124 | /* Software pctl */ |
| 125 | list->list = rfatt_0; |
| 126 | list->len = ARRAY_SIZE(rfatt_0); |
| 127 | list->min_val = 0; |
| 128 | list->max_val = 9; |
| 129 | return; |
| 130 | } |
| 131 | if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) { |
| 132 | /* Hardware pctl */ |
| 133 | list->list = rfatt_1; |
| 134 | list->len = ARRAY_SIZE(rfatt_1); |
| 135 | list->min_val = 0; |
| 136 | list->max_val = 14; |
| 137 | return; |
| 138 | } |
| 139 | /* Hardware pctl */ |
| 140 | list->list = rfatt_2; |
| 141 | list->len = ARRAY_SIZE(rfatt_2); |
| 142 | list->min_val = 0; |
| 143 | list->max_val = 9; |
| 144 | } |
| 145 | |
| 146 | static void generate_bbatt_list(struct b43_wldev *dev, |
| 147 | struct b43_bbatt_list *list) |
| 148 | { |
| 149 | static const struct b43_bbatt bbatt_0[] = { |
| 150 | {.att = 0,}, |
| 151 | {.att = 1,}, |
| 152 | {.att = 2,}, |
| 153 | {.att = 3,}, |
| 154 | {.att = 4,}, |
| 155 | {.att = 5,}, |
| 156 | {.att = 6,}, |
| 157 | {.att = 7,}, |
| 158 | {.att = 8,}, |
| 159 | }; |
| 160 | |
| 161 | list->list = bbatt_0; |
| 162 | list->len = ARRAY_SIZE(bbatt_0); |
| 163 | list->min_val = 0; |
| 164 | list->max_val = 8; |
| 165 | } |
| 166 | |
| 167 | static void b43_shm_clear_tssi(struct b43_wldev *dev) |
| 168 | { |
| 169 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0058, 0x7F7F); |
| 170 | b43_shm_write16(dev, B43_SHM_SHARED, 0x005a, 0x7F7F); |
| 171 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0070, 0x7F7F); |
| 172 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0072, 0x7F7F); |
| 173 | } |
| 174 | |
| 175 | /* Synthetic PU workaround */ |
| 176 | static void b43_synth_pu_workaround(struct b43_wldev *dev, u8 channel) |
| 177 | { |
| 178 | struct b43_phy *phy = &dev->phy; |
| 179 | |
| 180 | might_sleep(); |
| 181 | |
| 182 | if (phy->radio_ver != 0x2050 || phy->radio_rev >= 6) { |
| 183 | /* We do not need the workaround. */ |
| 184 | return; |
| 185 | } |
| 186 | |
| 187 | if (channel <= 10) { |
| 188 | b43_write16(dev, B43_MMIO_CHANNEL, |
| 189 | channel2freq_bg(channel + 4)); |
| 190 | } else { |
| 191 | b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(1)); |
| 192 | } |
| 193 | msleep(1); |
| 194 | b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel)); |
| 195 | } |
| 196 | |
| 197 | /* Set the baseband attenuation value on chip. */ |
| 198 | void b43_gphy_set_baseband_attenuation(struct b43_wldev *dev, |
| 199 | u16 baseband_attenuation) |
| 200 | { |
| 201 | struct b43_phy *phy = &dev->phy; |
| 202 | |
| 203 | if (phy->analog == 0) { |
| 204 | b43_write16(dev, B43_MMIO_PHY0, (b43_read16(dev, B43_MMIO_PHY0) |
| 205 | & 0xFFF0) | |
| 206 | baseband_attenuation); |
| 207 | } else if (phy->analog > 1) { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 208 | b43_phy_maskset(dev, B43_PHY_DACCTL, 0xFFC3, (baseband_attenuation << 2)); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 209 | } else { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 210 | b43_phy_maskset(dev, B43_PHY_DACCTL, 0xFF87, (baseband_attenuation << 3)); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 211 | } |
| 212 | } |
| 213 | |
| 214 | /* Adjust the transmission power output (G-PHY) */ |
Hannes Eder | 11ab72a | 2008-12-26 00:13:46 -0800 | [diff] [blame] | 215 | static void b43_set_txpower_g(struct b43_wldev *dev, |
| 216 | const struct b43_bbatt *bbatt, |
| 217 | const struct b43_rfatt *rfatt, u8 tx_control) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 218 | { |
| 219 | struct b43_phy *phy = &dev->phy; |
| 220 | struct b43_phy_g *gphy = phy->g; |
| 221 | struct b43_txpower_lo_control *lo = gphy->lo_control; |
| 222 | u16 bb, rf; |
| 223 | u16 tx_bias, tx_magn; |
| 224 | |
| 225 | bb = bbatt->att; |
| 226 | rf = rfatt->att; |
| 227 | tx_bias = lo->tx_bias; |
| 228 | tx_magn = lo->tx_magn; |
| 229 | if (unlikely(tx_bias == 0xFF)) |
| 230 | tx_bias = 0; |
| 231 | |
Michael Buesch | fa9abe0 | 2008-08-28 19:13:51 +0200 | [diff] [blame] | 232 | /* Save the values for later. Use memmove, because it's valid |
| 233 | * to pass &gphy->rfatt as rfatt pointer argument. Same for bbatt. */ |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 234 | gphy->tx_control = tx_control; |
Michael Buesch | fa9abe0 | 2008-08-28 19:13:51 +0200 | [diff] [blame] | 235 | memmove(&gphy->rfatt, rfatt, sizeof(*rfatt)); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 236 | gphy->rfatt.with_padmix = !!(tx_control & B43_TXCTL_TXMIX); |
Michael Buesch | fa9abe0 | 2008-08-28 19:13:51 +0200 | [diff] [blame] | 237 | memmove(&gphy->bbatt, bbatt, sizeof(*bbatt)); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 238 | |
| 239 | if (b43_debug(dev, B43_DBG_XMITPOWER)) { |
| 240 | b43dbg(dev->wl, "Tuning TX-power to bbatt(%u), " |
| 241 | "rfatt(%u), tx_control(0x%02X), " |
| 242 | "tx_bias(0x%02X), tx_magn(0x%02X)\n", |
| 243 | bb, rf, tx_control, tx_bias, tx_magn); |
| 244 | } |
| 245 | |
| 246 | b43_gphy_set_baseband_attenuation(dev, bb); |
| 247 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_RFATT, rf); |
| 248 | if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) { |
| 249 | b43_radio_write16(dev, 0x43, |
| 250 | (rf & 0x000F) | (tx_control & 0x0070)); |
| 251 | } else { |
Michael Buesch | 5f9724d | 2009-02-20 19:31:21 +0100 | [diff] [blame] | 252 | b43_radio_maskset(dev, 0x43, 0xFFF0, (rf & 0x000F)); |
| 253 | b43_radio_maskset(dev, 0x52, ~0x0070, (tx_control & 0x0070)); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 254 | } |
| 255 | if (has_tx_magnification(phy)) { |
| 256 | b43_radio_write16(dev, 0x52, tx_magn | tx_bias); |
| 257 | } else { |
Michael Buesch | 5f9724d | 2009-02-20 19:31:21 +0100 | [diff] [blame] | 258 | b43_radio_maskset(dev, 0x52, 0xFFF0, (tx_bias & 0x000F)); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 259 | } |
| 260 | b43_lo_g_adjust(dev); |
| 261 | } |
| 262 | |
| 263 | /* GPHY_TSSI_Power_Lookup_Table_Init */ |
| 264 | static void b43_gphy_tssi_power_lt_init(struct b43_wldev *dev) |
| 265 | { |
| 266 | struct b43_phy_g *gphy = dev->phy.g; |
| 267 | int i; |
| 268 | u16 value; |
| 269 | |
| 270 | for (i = 0; i < 32; i++) |
| 271 | b43_ofdmtab_write16(dev, 0x3C20, i, gphy->tssi2dbm[i]); |
| 272 | for (i = 32; i < 64; i++) |
| 273 | b43_ofdmtab_write16(dev, 0x3C00, i - 32, gphy->tssi2dbm[i]); |
| 274 | for (i = 0; i < 64; i += 2) { |
| 275 | value = (u16) gphy->tssi2dbm[i]; |
| 276 | value |= ((u16) gphy->tssi2dbm[i + 1]) << 8; |
| 277 | b43_phy_write(dev, 0x380 + (i / 2), value); |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | /* GPHY_Gain_Lookup_Table_Init */ |
| 282 | static void b43_gphy_gain_lt_init(struct b43_wldev *dev) |
| 283 | { |
| 284 | struct b43_phy *phy = &dev->phy; |
| 285 | struct b43_phy_g *gphy = phy->g; |
| 286 | struct b43_txpower_lo_control *lo = gphy->lo_control; |
| 287 | u16 nr_written = 0; |
| 288 | u16 tmp; |
| 289 | u8 rf, bb; |
| 290 | |
| 291 | for (rf = 0; rf < lo->rfatt_list.len; rf++) { |
| 292 | for (bb = 0; bb < lo->bbatt_list.len; bb++) { |
| 293 | if (nr_written >= 0x40) |
| 294 | return; |
| 295 | tmp = lo->bbatt_list.list[bb].att; |
| 296 | tmp <<= 8; |
| 297 | if (phy->radio_rev == 8) |
| 298 | tmp |= 0x50; |
| 299 | else |
| 300 | tmp |= 0x40; |
| 301 | tmp |= lo->rfatt_list.list[rf].att; |
| 302 | b43_phy_write(dev, 0x3C0 + nr_written, tmp); |
| 303 | nr_written++; |
| 304 | } |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | static void b43_set_all_gains(struct b43_wldev *dev, |
| 309 | s16 first, s16 second, s16 third) |
| 310 | { |
| 311 | struct b43_phy *phy = &dev->phy; |
| 312 | u16 i; |
| 313 | u16 start = 0x08, end = 0x18; |
| 314 | u16 tmp; |
| 315 | u16 table; |
| 316 | |
| 317 | if (phy->rev <= 1) { |
| 318 | start = 0x10; |
| 319 | end = 0x20; |
| 320 | } |
| 321 | |
| 322 | table = B43_OFDMTAB_GAINX; |
| 323 | if (phy->rev <= 1) |
| 324 | table = B43_OFDMTAB_GAINX_R1; |
| 325 | for (i = 0; i < 4; i++) |
| 326 | b43_ofdmtab_write16(dev, table, i, first); |
| 327 | |
| 328 | for (i = start; i < end; i++) |
| 329 | b43_ofdmtab_write16(dev, table, i, second); |
| 330 | |
| 331 | if (third != -1) { |
| 332 | tmp = ((u16) third << 14) | ((u16) third << 6); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 333 | b43_phy_maskset(dev, 0x04A0, 0xBFBF, tmp); |
| 334 | b43_phy_maskset(dev, 0x04A1, 0xBFBF, tmp); |
| 335 | b43_phy_maskset(dev, 0x04A2, 0xBFBF, tmp); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 336 | } |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 337 | b43_dummy_transmission(dev, false, true); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | static void b43_set_original_gains(struct b43_wldev *dev) |
| 341 | { |
| 342 | struct b43_phy *phy = &dev->phy; |
| 343 | u16 i, tmp; |
| 344 | u16 table; |
| 345 | u16 start = 0x0008, end = 0x0018; |
| 346 | |
| 347 | if (phy->rev <= 1) { |
| 348 | start = 0x0010; |
| 349 | end = 0x0020; |
| 350 | } |
| 351 | |
| 352 | table = B43_OFDMTAB_GAINX; |
| 353 | if (phy->rev <= 1) |
| 354 | table = B43_OFDMTAB_GAINX_R1; |
| 355 | for (i = 0; i < 4; i++) { |
| 356 | tmp = (i & 0xFFFC); |
| 357 | tmp |= (i & 0x0001) << 1; |
| 358 | tmp |= (i & 0x0002) >> 1; |
| 359 | |
| 360 | b43_ofdmtab_write16(dev, table, i, tmp); |
| 361 | } |
| 362 | |
| 363 | for (i = start; i < end; i++) |
| 364 | b43_ofdmtab_write16(dev, table, i, i - start); |
| 365 | |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 366 | b43_phy_maskset(dev, 0x04A0, 0xBFBF, 0x4040); |
| 367 | b43_phy_maskset(dev, 0x04A1, 0xBFBF, 0x4040); |
| 368 | b43_phy_maskset(dev, 0x04A2, 0xBFBF, 0x4000); |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 369 | b43_dummy_transmission(dev, false, true); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 370 | } |
| 371 | |
| 372 | /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ |
Hannes Eder | 11ab72a | 2008-12-26 00:13:46 -0800 | [diff] [blame] | 373 | static void b43_nrssi_hw_write(struct b43_wldev *dev, u16 offset, s16 val) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 374 | { |
| 375 | b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 376 | b43_phy_write(dev, B43_PHY_NRSSILT_DATA, (u16) val); |
| 377 | } |
| 378 | |
| 379 | /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ |
Hannes Eder | 11ab72a | 2008-12-26 00:13:46 -0800 | [diff] [blame] | 380 | static s16 b43_nrssi_hw_read(struct b43_wldev *dev, u16 offset) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 381 | { |
| 382 | u16 val; |
| 383 | |
| 384 | b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset); |
| 385 | val = b43_phy_read(dev, B43_PHY_NRSSILT_DATA); |
| 386 | |
| 387 | return (s16) val; |
| 388 | } |
| 389 | |
| 390 | /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ |
Hannes Eder | 11ab72a | 2008-12-26 00:13:46 -0800 | [diff] [blame] | 391 | static void b43_nrssi_hw_update(struct b43_wldev *dev, u16 val) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 392 | { |
| 393 | u16 i; |
| 394 | s16 tmp; |
| 395 | |
| 396 | for (i = 0; i < 64; i++) { |
| 397 | tmp = b43_nrssi_hw_read(dev, i); |
| 398 | tmp -= val; |
| 399 | tmp = clamp_val(tmp, -32, 31); |
| 400 | b43_nrssi_hw_write(dev, i, tmp); |
| 401 | } |
| 402 | } |
| 403 | |
| 404 | /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ |
Hannes Eder | 11ab72a | 2008-12-26 00:13:46 -0800 | [diff] [blame] | 405 | static void b43_nrssi_mem_update(struct b43_wldev *dev) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 406 | { |
| 407 | struct b43_phy_g *gphy = dev->phy.g; |
| 408 | s16 i, delta; |
| 409 | s32 tmp; |
| 410 | |
| 411 | delta = 0x1F - gphy->nrssi[0]; |
| 412 | for (i = 0; i < 64; i++) { |
| 413 | tmp = (i - delta) * gphy->nrssislope; |
| 414 | tmp /= 0x10000; |
| 415 | tmp += 0x3A; |
| 416 | tmp = clamp_val(tmp, 0, 0x3F); |
| 417 | gphy->nrssi_lt[i] = tmp; |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | static void b43_calc_nrssi_offset(struct b43_wldev *dev) |
| 422 | { |
| 423 | struct b43_phy *phy = &dev->phy; |
| 424 | u16 backup[20] = { 0 }; |
| 425 | s16 v47F; |
| 426 | u16 i; |
| 427 | u16 saved = 0xFFFF; |
| 428 | |
| 429 | backup[0] = b43_phy_read(dev, 0x0001); |
| 430 | backup[1] = b43_phy_read(dev, 0x0811); |
| 431 | backup[2] = b43_phy_read(dev, 0x0812); |
| 432 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
| 433 | backup[3] = b43_phy_read(dev, 0x0814); |
| 434 | backup[4] = b43_phy_read(dev, 0x0815); |
| 435 | } |
| 436 | backup[5] = b43_phy_read(dev, 0x005A); |
| 437 | backup[6] = b43_phy_read(dev, 0x0059); |
| 438 | backup[7] = b43_phy_read(dev, 0x0058); |
| 439 | backup[8] = b43_phy_read(dev, 0x000A); |
| 440 | backup[9] = b43_phy_read(dev, 0x0003); |
| 441 | backup[10] = b43_radio_read16(dev, 0x007A); |
| 442 | backup[11] = b43_radio_read16(dev, 0x0043); |
| 443 | |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 444 | b43_phy_mask(dev, 0x0429, 0x7FFF); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 445 | b43_phy_maskset(dev, 0x0001, 0x3FFF, 0x4000); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 446 | b43_phy_set(dev, 0x0811, 0x000C); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 447 | b43_phy_maskset(dev, 0x0812, 0xFFF3, 0x0004); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 448 | b43_phy_mask(dev, 0x0802, ~(0x1 | 0x2)); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 449 | if (phy->rev >= 6) { |
| 450 | backup[12] = b43_phy_read(dev, 0x002E); |
| 451 | backup[13] = b43_phy_read(dev, 0x002F); |
| 452 | backup[14] = b43_phy_read(dev, 0x080F); |
| 453 | backup[15] = b43_phy_read(dev, 0x0810); |
| 454 | backup[16] = b43_phy_read(dev, 0x0801); |
| 455 | backup[17] = b43_phy_read(dev, 0x0060); |
| 456 | backup[18] = b43_phy_read(dev, 0x0014); |
| 457 | backup[19] = b43_phy_read(dev, 0x0478); |
| 458 | |
| 459 | b43_phy_write(dev, 0x002E, 0); |
| 460 | b43_phy_write(dev, 0x002F, 0); |
| 461 | b43_phy_write(dev, 0x080F, 0); |
| 462 | b43_phy_write(dev, 0x0810, 0); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 463 | b43_phy_set(dev, 0x0478, 0x0100); |
| 464 | b43_phy_set(dev, 0x0801, 0x0040); |
| 465 | b43_phy_set(dev, 0x0060, 0x0040); |
| 466 | b43_phy_set(dev, 0x0014, 0x0200); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 467 | } |
Michael Buesch | 4cf5076 | 2009-02-20 19:28:14 +0100 | [diff] [blame] | 468 | b43_radio_set(dev, 0x007A, 0x0070); |
| 469 | b43_radio_set(dev, 0x007A, 0x0080); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 470 | udelay(30); |
| 471 | |
| 472 | v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); |
| 473 | if (v47F >= 0x20) |
| 474 | v47F -= 0x40; |
| 475 | if (v47F == 31) { |
| 476 | for (i = 7; i >= 4; i--) { |
| 477 | b43_radio_write16(dev, 0x007B, i); |
| 478 | udelay(20); |
| 479 | v47F = |
| 480 | (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); |
| 481 | if (v47F >= 0x20) |
| 482 | v47F -= 0x40; |
| 483 | if (v47F < 31 && saved == 0xFFFF) |
| 484 | saved = i; |
| 485 | } |
| 486 | if (saved == 0xFFFF) |
| 487 | saved = 4; |
| 488 | } else { |
Michael Buesch | 3718582 | 2009-02-20 19:30:10 +0100 | [diff] [blame] | 489 | b43_radio_mask(dev, 0x007A, 0x007F); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 490 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 491 | b43_phy_set(dev, 0x0814, 0x0001); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 492 | b43_phy_mask(dev, 0x0815, 0xFFFE); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 493 | } |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 494 | b43_phy_set(dev, 0x0811, 0x000C); |
| 495 | b43_phy_set(dev, 0x0812, 0x000C); |
| 496 | b43_phy_set(dev, 0x0811, 0x0030); |
| 497 | b43_phy_set(dev, 0x0812, 0x0030); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 498 | b43_phy_write(dev, 0x005A, 0x0480); |
| 499 | b43_phy_write(dev, 0x0059, 0x0810); |
| 500 | b43_phy_write(dev, 0x0058, 0x000D); |
| 501 | if (phy->rev == 0) { |
| 502 | b43_phy_write(dev, 0x0003, 0x0122); |
| 503 | } else { |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 504 | b43_phy_set(dev, 0x000A, 0x2000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 505 | } |
| 506 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 507 | b43_phy_set(dev, 0x0814, 0x0004); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 508 | b43_phy_mask(dev, 0x0815, 0xFFFB); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 509 | } |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 510 | b43_phy_maskset(dev, 0x0003, 0xFF9F, 0x0040); |
Michael Buesch | 4cf5076 | 2009-02-20 19:28:14 +0100 | [diff] [blame] | 511 | b43_radio_set(dev, 0x007A, 0x000F); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 512 | b43_set_all_gains(dev, 3, 0, 1); |
Michael Buesch | 5f9724d | 2009-02-20 19:31:21 +0100 | [diff] [blame] | 513 | b43_radio_maskset(dev, 0x0043, 0x00F0, 0x000F); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 514 | udelay(30); |
| 515 | v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); |
| 516 | if (v47F >= 0x20) |
| 517 | v47F -= 0x40; |
| 518 | if (v47F == -32) { |
| 519 | for (i = 0; i < 4; i++) { |
| 520 | b43_radio_write16(dev, 0x007B, i); |
| 521 | udelay(20); |
| 522 | v47F = |
| 523 | (s16) ((b43_phy_read(dev, 0x047F) >> 8) & |
| 524 | 0x003F); |
| 525 | if (v47F >= 0x20) |
| 526 | v47F -= 0x40; |
| 527 | if (v47F > -31 && saved == 0xFFFF) |
| 528 | saved = i; |
| 529 | } |
| 530 | if (saved == 0xFFFF) |
| 531 | saved = 3; |
| 532 | } else |
| 533 | saved = 0; |
| 534 | } |
| 535 | b43_radio_write16(dev, 0x007B, saved); |
| 536 | |
| 537 | if (phy->rev >= 6) { |
| 538 | b43_phy_write(dev, 0x002E, backup[12]); |
| 539 | b43_phy_write(dev, 0x002F, backup[13]); |
| 540 | b43_phy_write(dev, 0x080F, backup[14]); |
| 541 | b43_phy_write(dev, 0x0810, backup[15]); |
| 542 | } |
| 543 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
| 544 | b43_phy_write(dev, 0x0814, backup[3]); |
| 545 | b43_phy_write(dev, 0x0815, backup[4]); |
| 546 | } |
| 547 | b43_phy_write(dev, 0x005A, backup[5]); |
| 548 | b43_phy_write(dev, 0x0059, backup[6]); |
| 549 | b43_phy_write(dev, 0x0058, backup[7]); |
| 550 | b43_phy_write(dev, 0x000A, backup[8]); |
| 551 | b43_phy_write(dev, 0x0003, backup[9]); |
| 552 | b43_radio_write16(dev, 0x0043, backup[11]); |
| 553 | b43_radio_write16(dev, 0x007A, backup[10]); |
| 554 | b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x1 | 0x2); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 555 | b43_phy_set(dev, 0x0429, 0x8000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 556 | b43_set_original_gains(dev); |
| 557 | if (phy->rev >= 6) { |
| 558 | b43_phy_write(dev, 0x0801, backup[16]); |
| 559 | b43_phy_write(dev, 0x0060, backup[17]); |
| 560 | b43_phy_write(dev, 0x0014, backup[18]); |
| 561 | b43_phy_write(dev, 0x0478, backup[19]); |
| 562 | } |
| 563 | b43_phy_write(dev, 0x0001, backup[0]); |
| 564 | b43_phy_write(dev, 0x0812, backup[2]); |
| 565 | b43_phy_write(dev, 0x0811, backup[1]); |
| 566 | } |
| 567 | |
Hannes Eder | 11ab72a | 2008-12-26 00:13:46 -0800 | [diff] [blame] | 568 | static void b43_calc_nrssi_slope(struct b43_wldev *dev) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 569 | { |
| 570 | struct b43_phy *phy = &dev->phy; |
| 571 | struct b43_phy_g *gphy = phy->g; |
| 572 | u16 backup[18] = { 0 }; |
| 573 | u16 tmp; |
| 574 | s16 nrssi0, nrssi1; |
| 575 | |
| 576 | B43_WARN_ON(phy->type != B43_PHYTYPE_G); |
| 577 | |
| 578 | if (phy->radio_rev >= 9) |
| 579 | return; |
| 580 | if (phy->radio_rev == 8) |
| 581 | b43_calc_nrssi_offset(dev); |
| 582 | |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 583 | b43_phy_mask(dev, B43_PHY_G_CRS, 0x7FFF); |
| 584 | b43_phy_mask(dev, 0x0802, 0xFFFC); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 585 | backup[7] = b43_read16(dev, 0x03E2); |
| 586 | b43_write16(dev, 0x03E2, b43_read16(dev, 0x03E2) | 0x8000); |
| 587 | backup[0] = b43_radio_read16(dev, 0x007A); |
| 588 | backup[1] = b43_radio_read16(dev, 0x0052); |
| 589 | backup[2] = b43_radio_read16(dev, 0x0043); |
| 590 | backup[3] = b43_phy_read(dev, 0x0015); |
| 591 | backup[4] = b43_phy_read(dev, 0x005A); |
| 592 | backup[5] = b43_phy_read(dev, 0x0059); |
| 593 | backup[6] = b43_phy_read(dev, 0x0058); |
| 594 | backup[8] = b43_read16(dev, 0x03E6); |
| 595 | backup[9] = b43_read16(dev, B43_MMIO_CHANNEL_EXT); |
| 596 | if (phy->rev >= 3) { |
| 597 | backup[10] = b43_phy_read(dev, 0x002E); |
| 598 | backup[11] = b43_phy_read(dev, 0x002F); |
| 599 | backup[12] = b43_phy_read(dev, 0x080F); |
| 600 | backup[13] = b43_phy_read(dev, B43_PHY_G_LO_CONTROL); |
| 601 | backup[14] = b43_phy_read(dev, 0x0801); |
| 602 | backup[15] = b43_phy_read(dev, 0x0060); |
| 603 | backup[16] = b43_phy_read(dev, 0x0014); |
| 604 | backup[17] = b43_phy_read(dev, 0x0478); |
| 605 | b43_phy_write(dev, 0x002E, 0); |
| 606 | b43_phy_write(dev, B43_PHY_G_LO_CONTROL, 0); |
| 607 | switch (phy->rev) { |
| 608 | case 4: |
| 609 | case 6: |
| 610 | case 7: |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 611 | b43_phy_set(dev, 0x0478, 0x0100); |
| 612 | b43_phy_set(dev, 0x0801, 0x0040); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 613 | break; |
| 614 | case 3: |
| 615 | case 5: |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 616 | b43_phy_mask(dev, 0x0801, 0xFFBF); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 617 | break; |
| 618 | } |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 619 | b43_phy_set(dev, 0x0060, 0x0040); |
| 620 | b43_phy_set(dev, 0x0014, 0x0200); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 621 | } |
Michael Buesch | 4cf5076 | 2009-02-20 19:28:14 +0100 | [diff] [blame] | 622 | b43_radio_set(dev, 0x007A, 0x0070); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 623 | b43_set_all_gains(dev, 0, 8, 0); |
Michael Buesch | 3718582 | 2009-02-20 19:30:10 +0100 | [diff] [blame] | 624 | b43_radio_mask(dev, 0x007A, 0x00F7); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 625 | if (phy->rev >= 2) { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 626 | b43_phy_maskset(dev, 0x0811, 0xFFCF, 0x0030); |
| 627 | b43_phy_maskset(dev, 0x0812, 0xFFCF, 0x0010); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 628 | } |
Michael Buesch | 4cf5076 | 2009-02-20 19:28:14 +0100 | [diff] [blame] | 629 | b43_radio_set(dev, 0x007A, 0x0080); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 630 | udelay(20); |
| 631 | |
| 632 | nrssi0 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); |
| 633 | if (nrssi0 >= 0x0020) |
| 634 | nrssi0 -= 0x0040; |
| 635 | |
Michael Buesch | 3718582 | 2009-02-20 19:30:10 +0100 | [diff] [blame] | 636 | b43_radio_mask(dev, 0x007A, 0x007F); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 637 | if (phy->rev >= 2) { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 638 | b43_phy_maskset(dev, 0x0003, 0xFF9F, 0x0040); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 639 | } |
| 640 | |
| 641 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, |
| 642 | b43_read16(dev, B43_MMIO_CHANNEL_EXT) |
| 643 | | 0x2000); |
Michael Buesch | 4cf5076 | 2009-02-20 19:28:14 +0100 | [diff] [blame] | 644 | b43_radio_set(dev, 0x007A, 0x000F); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 645 | b43_phy_write(dev, 0x0015, 0xF330); |
| 646 | if (phy->rev >= 2) { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 647 | b43_phy_maskset(dev, 0x0812, 0xFFCF, 0x0020); |
| 648 | b43_phy_maskset(dev, 0x0811, 0xFFCF, 0x0020); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 649 | } |
| 650 | |
| 651 | b43_set_all_gains(dev, 3, 0, 1); |
| 652 | if (phy->radio_rev == 8) { |
| 653 | b43_radio_write16(dev, 0x0043, 0x001F); |
| 654 | } else { |
| 655 | tmp = b43_radio_read16(dev, 0x0052) & 0xFF0F; |
| 656 | b43_radio_write16(dev, 0x0052, tmp | 0x0060); |
| 657 | tmp = b43_radio_read16(dev, 0x0043) & 0xFFF0; |
| 658 | b43_radio_write16(dev, 0x0043, tmp | 0x0009); |
| 659 | } |
| 660 | b43_phy_write(dev, 0x005A, 0x0480); |
| 661 | b43_phy_write(dev, 0x0059, 0x0810); |
| 662 | b43_phy_write(dev, 0x0058, 0x000D); |
| 663 | udelay(20); |
| 664 | nrssi1 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); |
| 665 | if (nrssi1 >= 0x0020) |
| 666 | nrssi1 -= 0x0040; |
| 667 | if (nrssi0 == nrssi1) |
| 668 | gphy->nrssislope = 0x00010000; |
| 669 | else |
| 670 | gphy->nrssislope = 0x00400000 / (nrssi0 - nrssi1); |
| 671 | if (nrssi0 >= -4) { |
| 672 | gphy->nrssi[0] = nrssi1; |
| 673 | gphy->nrssi[1] = nrssi0; |
| 674 | } |
| 675 | if (phy->rev >= 3) { |
| 676 | b43_phy_write(dev, 0x002E, backup[10]); |
| 677 | b43_phy_write(dev, 0x002F, backup[11]); |
| 678 | b43_phy_write(dev, 0x080F, backup[12]); |
| 679 | b43_phy_write(dev, B43_PHY_G_LO_CONTROL, backup[13]); |
| 680 | } |
| 681 | if (phy->rev >= 2) { |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 682 | b43_phy_mask(dev, 0x0812, 0xFFCF); |
| 683 | b43_phy_mask(dev, 0x0811, 0xFFCF); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 684 | } |
| 685 | |
| 686 | b43_radio_write16(dev, 0x007A, backup[0]); |
| 687 | b43_radio_write16(dev, 0x0052, backup[1]); |
| 688 | b43_radio_write16(dev, 0x0043, backup[2]); |
| 689 | b43_write16(dev, 0x03E2, backup[7]); |
| 690 | b43_write16(dev, 0x03E6, backup[8]); |
| 691 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, backup[9]); |
| 692 | b43_phy_write(dev, 0x0015, backup[3]); |
| 693 | b43_phy_write(dev, 0x005A, backup[4]); |
| 694 | b43_phy_write(dev, 0x0059, backup[5]); |
| 695 | b43_phy_write(dev, 0x0058, backup[6]); |
| 696 | b43_synth_pu_workaround(dev, phy->channel); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 697 | b43_phy_set(dev, 0x0802, (0x0001 | 0x0002)); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 698 | b43_set_original_gains(dev); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 699 | b43_phy_set(dev, B43_PHY_G_CRS, 0x8000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 700 | if (phy->rev >= 3) { |
| 701 | b43_phy_write(dev, 0x0801, backup[14]); |
| 702 | b43_phy_write(dev, 0x0060, backup[15]); |
| 703 | b43_phy_write(dev, 0x0014, backup[16]); |
| 704 | b43_phy_write(dev, 0x0478, backup[17]); |
| 705 | } |
| 706 | b43_nrssi_mem_update(dev); |
| 707 | b43_calc_nrssi_threshold(dev); |
| 708 | } |
| 709 | |
| 710 | static void b43_calc_nrssi_threshold(struct b43_wldev *dev) |
| 711 | { |
| 712 | struct b43_phy *phy = &dev->phy; |
| 713 | struct b43_phy_g *gphy = phy->g; |
| 714 | s32 a, b; |
| 715 | s16 tmp16; |
| 716 | u16 tmp_u16; |
| 717 | |
| 718 | B43_WARN_ON(phy->type != B43_PHYTYPE_G); |
| 719 | |
| 720 | if (!phy->gmode || |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame^] | 721 | !(dev->dev->bus_sprom->boardflags_lo & B43_BFL_RSSI)) { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 722 | tmp16 = b43_nrssi_hw_read(dev, 0x20); |
| 723 | if (tmp16 >= 0x20) |
| 724 | tmp16 -= 0x40; |
| 725 | if (tmp16 < 3) { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 726 | b43_phy_maskset(dev, 0x048A, 0xF000, 0x09EB); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 727 | } else { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 728 | b43_phy_maskset(dev, 0x048A, 0xF000, 0x0AED); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 729 | } |
| 730 | } else { |
| 731 | if (gphy->interfmode == B43_INTERFMODE_NONWLAN) { |
| 732 | a = 0xE; |
| 733 | b = 0xA; |
| 734 | } else if (!gphy->aci_wlan_automatic && gphy->aci_enable) { |
| 735 | a = 0x13; |
| 736 | b = 0x12; |
| 737 | } else { |
| 738 | a = 0xE; |
| 739 | b = 0x11; |
| 740 | } |
| 741 | |
| 742 | a = a * (gphy->nrssi[1] - gphy->nrssi[0]); |
| 743 | a += (gphy->nrssi[0] << 6); |
| 744 | if (a < 32) |
| 745 | a += 31; |
| 746 | else |
| 747 | a += 32; |
| 748 | a = a >> 6; |
| 749 | a = clamp_val(a, -31, 31); |
| 750 | |
| 751 | b = b * (gphy->nrssi[1] - gphy->nrssi[0]); |
| 752 | b += (gphy->nrssi[0] << 6); |
| 753 | if (b < 32) |
| 754 | b += 31; |
| 755 | else |
| 756 | b += 32; |
| 757 | b = b >> 6; |
| 758 | b = clamp_val(b, -31, 31); |
| 759 | |
| 760 | tmp_u16 = b43_phy_read(dev, 0x048A) & 0xF000; |
| 761 | tmp_u16 |= ((u32) b & 0x0000003F); |
| 762 | tmp_u16 |= (((u32) a & 0x0000003F) << 6); |
| 763 | b43_phy_write(dev, 0x048A, tmp_u16); |
| 764 | } |
| 765 | } |
| 766 | |
| 767 | /* Stack implementation to save/restore values from the |
| 768 | * interference mitigation code. |
| 769 | * It is save to restore values in random order. |
| 770 | */ |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 771 | static void _stack_save(u32 *_stackptr, size_t *stackidx, |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 772 | u8 id, u16 offset, u16 value) |
| 773 | { |
| 774 | u32 *stackptr = &(_stackptr[*stackidx]); |
| 775 | |
| 776 | B43_WARN_ON(offset & 0xF000); |
| 777 | B43_WARN_ON(id & 0xF0); |
| 778 | *stackptr = offset; |
| 779 | *stackptr |= ((u32) id) << 12; |
| 780 | *stackptr |= ((u32) value) << 16; |
| 781 | (*stackidx)++; |
| 782 | B43_WARN_ON(*stackidx >= B43_INTERFSTACK_SIZE); |
| 783 | } |
| 784 | |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 785 | static u16 _stack_restore(u32 *stackptr, u8 id, u16 offset) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 786 | { |
| 787 | size_t i; |
| 788 | |
| 789 | B43_WARN_ON(offset & 0xF000); |
| 790 | B43_WARN_ON(id & 0xF0); |
| 791 | for (i = 0; i < B43_INTERFSTACK_SIZE; i++, stackptr++) { |
| 792 | if ((*stackptr & 0x00000FFF) != offset) |
| 793 | continue; |
| 794 | if (((*stackptr & 0x0000F000) >> 12) != id) |
| 795 | continue; |
| 796 | return ((*stackptr & 0xFFFF0000) >> 16); |
| 797 | } |
| 798 | B43_WARN_ON(1); |
| 799 | |
| 800 | return 0; |
| 801 | } |
| 802 | |
| 803 | #define phy_stacksave(offset) \ |
| 804 | do { \ |
| 805 | _stack_save(stack, &stackidx, 0x1, (offset), \ |
| 806 | b43_phy_read(dev, (offset))); \ |
| 807 | } while (0) |
| 808 | #define phy_stackrestore(offset) \ |
| 809 | do { \ |
| 810 | b43_phy_write(dev, (offset), \ |
| 811 | _stack_restore(stack, 0x1, \ |
| 812 | (offset))); \ |
| 813 | } while (0) |
| 814 | #define radio_stacksave(offset) \ |
| 815 | do { \ |
| 816 | _stack_save(stack, &stackidx, 0x2, (offset), \ |
| 817 | b43_radio_read16(dev, (offset))); \ |
| 818 | } while (0) |
| 819 | #define radio_stackrestore(offset) \ |
| 820 | do { \ |
| 821 | b43_radio_write16(dev, (offset), \ |
| 822 | _stack_restore(stack, 0x2, \ |
| 823 | (offset))); \ |
| 824 | } while (0) |
| 825 | #define ofdmtab_stacksave(table, offset) \ |
| 826 | do { \ |
| 827 | _stack_save(stack, &stackidx, 0x3, (offset)|(table), \ |
| 828 | b43_ofdmtab_read16(dev, (table), (offset))); \ |
| 829 | } while (0) |
| 830 | #define ofdmtab_stackrestore(table, offset) \ |
| 831 | do { \ |
| 832 | b43_ofdmtab_write16(dev, (table), (offset), \ |
| 833 | _stack_restore(stack, 0x3, \ |
| 834 | (offset)|(table))); \ |
| 835 | } while (0) |
| 836 | |
| 837 | static void |
| 838 | b43_radio_interference_mitigation_enable(struct b43_wldev *dev, int mode) |
| 839 | { |
| 840 | struct b43_phy *phy = &dev->phy; |
| 841 | struct b43_phy_g *gphy = phy->g; |
| 842 | u16 tmp, flipped; |
| 843 | size_t stackidx = 0; |
| 844 | u32 *stack = gphy->interfstack; |
| 845 | |
| 846 | switch (mode) { |
| 847 | case B43_INTERFMODE_NONWLAN: |
| 848 | if (phy->rev != 1) { |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 849 | b43_phy_set(dev, 0x042B, 0x0800); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 850 | b43_phy_mask(dev, B43_PHY_G_CRS, ~0x4000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 851 | break; |
| 852 | } |
| 853 | radio_stacksave(0x0078); |
| 854 | tmp = (b43_radio_read16(dev, 0x0078) & 0x001E); |
| 855 | B43_WARN_ON(tmp > 15); |
| 856 | flipped = bitrev4(tmp); |
| 857 | if (flipped < 10 && flipped >= 8) |
| 858 | flipped = 7; |
| 859 | else if (flipped >= 10) |
| 860 | flipped -= 3; |
| 861 | flipped = (bitrev4(flipped) << 1) | 0x0020; |
| 862 | b43_radio_write16(dev, 0x0078, flipped); |
| 863 | |
| 864 | b43_calc_nrssi_threshold(dev); |
| 865 | |
| 866 | phy_stacksave(0x0406); |
| 867 | b43_phy_write(dev, 0x0406, 0x7E28); |
| 868 | |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 869 | b43_phy_set(dev, 0x042B, 0x0800); |
| 870 | b43_phy_set(dev, B43_PHY_RADIO_BITFIELD, 0x1000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 871 | |
| 872 | phy_stacksave(0x04A0); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 873 | b43_phy_maskset(dev, 0x04A0, 0xC0C0, 0x0008); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 874 | phy_stacksave(0x04A1); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 875 | b43_phy_maskset(dev, 0x04A1, 0xC0C0, 0x0605); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 876 | phy_stacksave(0x04A2); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 877 | b43_phy_maskset(dev, 0x04A2, 0xC0C0, 0x0204); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 878 | phy_stacksave(0x04A8); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 879 | b43_phy_maskset(dev, 0x04A8, 0xC0C0, 0x0803); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 880 | phy_stacksave(0x04AB); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 881 | b43_phy_maskset(dev, 0x04AB, 0xC0C0, 0x0605); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 882 | |
| 883 | phy_stacksave(0x04A7); |
| 884 | b43_phy_write(dev, 0x04A7, 0x0002); |
| 885 | phy_stacksave(0x04A3); |
| 886 | b43_phy_write(dev, 0x04A3, 0x287A); |
| 887 | phy_stacksave(0x04A9); |
| 888 | b43_phy_write(dev, 0x04A9, 0x2027); |
| 889 | phy_stacksave(0x0493); |
| 890 | b43_phy_write(dev, 0x0493, 0x32F5); |
| 891 | phy_stacksave(0x04AA); |
| 892 | b43_phy_write(dev, 0x04AA, 0x2027); |
| 893 | phy_stacksave(0x04AC); |
| 894 | b43_phy_write(dev, 0x04AC, 0x32F5); |
| 895 | break; |
| 896 | case B43_INTERFMODE_MANUALWLAN: |
| 897 | if (b43_phy_read(dev, 0x0033) & 0x0800) |
| 898 | break; |
| 899 | |
| 900 | gphy->aci_enable = 1; |
| 901 | |
| 902 | phy_stacksave(B43_PHY_RADIO_BITFIELD); |
| 903 | phy_stacksave(B43_PHY_G_CRS); |
| 904 | if (phy->rev < 2) { |
| 905 | phy_stacksave(0x0406); |
| 906 | } else { |
| 907 | phy_stacksave(0x04C0); |
| 908 | phy_stacksave(0x04C1); |
| 909 | } |
| 910 | phy_stacksave(0x0033); |
| 911 | phy_stacksave(0x04A7); |
| 912 | phy_stacksave(0x04A3); |
| 913 | phy_stacksave(0x04A9); |
| 914 | phy_stacksave(0x04AA); |
| 915 | phy_stacksave(0x04AC); |
| 916 | phy_stacksave(0x0493); |
| 917 | phy_stacksave(0x04A1); |
| 918 | phy_stacksave(0x04A0); |
| 919 | phy_stacksave(0x04A2); |
| 920 | phy_stacksave(0x048A); |
| 921 | phy_stacksave(0x04A8); |
| 922 | phy_stacksave(0x04AB); |
| 923 | if (phy->rev == 2) { |
| 924 | phy_stacksave(0x04AD); |
| 925 | phy_stacksave(0x04AE); |
| 926 | } else if (phy->rev >= 3) { |
| 927 | phy_stacksave(0x04AD); |
| 928 | phy_stacksave(0x0415); |
| 929 | phy_stacksave(0x0416); |
| 930 | phy_stacksave(0x0417); |
| 931 | ofdmtab_stacksave(0x1A00, 0x2); |
| 932 | ofdmtab_stacksave(0x1A00, 0x3); |
| 933 | } |
| 934 | phy_stacksave(0x042B); |
| 935 | phy_stacksave(0x048C); |
| 936 | |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 937 | b43_phy_mask(dev, B43_PHY_RADIO_BITFIELD, ~0x1000); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 938 | b43_phy_maskset(dev, B43_PHY_G_CRS, 0xFFFC, 0x0002); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 939 | |
| 940 | b43_phy_write(dev, 0x0033, 0x0800); |
| 941 | b43_phy_write(dev, 0x04A3, 0x2027); |
| 942 | b43_phy_write(dev, 0x04A9, 0x1CA8); |
| 943 | b43_phy_write(dev, 0x0493, 0x287A); |
| 944 | b43_phy_write(dev, 0x04AA, 0x1CA8); |
| 945 | b43_phy_write(dev, 0x04AC, 0x287A); |
| 946 | |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 947 | b43_phy_maskset(dev, 0x04A0, 0xFFC0, 0x001A); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 948 | b43_phy_write(dev, 0x04A7, 0x000D); |
| 949 | |
| 950 | if (phy->rev < 2) { |
| 951 | b43_phy_write(dev, 0x0406, 0xFF0D); |
| 952 | } else if (phy->rev == 2) { |
| 953 | b43_phy_write(dev, 0x04C0, 0xFFFF); |
| 954 | b43_phy_write(dev, 0x04C1, 0x00A9); |
| 955 | } else { |
| 956 | b43_phy_write(dev, 0x04C0, 0x00C1); |
| 957 | b43_phy_write(dev, 0x04C1, 0x0059); |
| 958 | } |
| 959 | |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 960 | b43_phy_maskset(dev, 0x04A1, 0xC0FF, 0x1800); |
| 961 | b43_phy_maskset(dev, 0x04A1, 0xFFC0, 0x0015); |
| 962 | b43_phy_maskset(dev, 0x04A8, 0xCFFF, 0x1000); |
| 963 | b43_phy_maskset(dev, 0x04A8, 0xF0FF, 0x0A00); |
| 964 | b43_phy_maskset(dev, 0x04AB, 0xCFFF, 0x1000); |
| 965 | b43_phy_maskset(dev, 0x04AB, 0xF0FF, 0x0800); |
| 966 | b43_phy_maskset(dev, 0x04AB, 0xFFCF, 0x0010); |
| 967 | b43_phy_maskset(dev, 0x04AB, 0xFFF0, 0x0005); |
| 968 | b43_phy_maskset(dev, 0x04A8, 0xFFCF, 0x0010); |
| 969 | b43_phy_maskset(dev, 0x04A8, 0xFFF0, 0x0006); |
| 970 | b43_phy_maskset(dev, 0x04A2, 0xF0FF, 0x0800); |
| 971 | b43_phy_maskset(dev, 0x04A0, 0xF0FF, 0x0500); |
| 972 | b43_phy_maskset(dev, 0x04A2, 0xFFF0, 0x000B); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 973 | |
| 974 | if (phy->rev >= 3) { |
John W. Linville | 41950bd | 2010-07-21 11:37:19 -0400 | [diff] [blame] | 975 | b43_phy_mask(dev, 0x048A, 0x7FFF); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 976 | b43_phy_maskset(dev, 0x0415, 0x8000, 0x36D8); |
| 977 | b43_phy_maskset(dev, 0x0416, 0x8000, 0x36D8); |
| 978 | b43_phy_maskset(dev, 0x0417, 0xFE00, 0x016D); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 979 | } else { |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 980 | b43_phy_set(dev, 0x048A, 0x1000); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 981 | b43_phy_maskset(dev, 0x048A, 0x9FFF, 0x2000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 982 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ACIW); |
| 983 | } |
| 984 | if (phy->rev >= 2) { |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 985 | b43_phy_set(dev, 0x042B, 0x0800); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 986 | } |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 987 | b43_phy_maskset(dev, 0x048C, 0xF0FF, 0x0200); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 988 | if (phy->rev == 2) { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 989 | b43_phy_maskset(dev, 0x04AE, 0xFF00, 0x007F); |
| 990 | b43_phy_maskset(dev, 0x04AD, 0x00FF, 0x1300); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 991 | } else if (phy->rev >= 6) { |
| 992 | b43_ofdmtab_write16(dev, 0x1A00, 0x3, 0x007F); |
| 993 | b43_ofdmtab_write16(dev, 0x1A00, 0x2, 0x007F); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 994 | b43_phy_mask(dev, 0x04AD, 0x00FF); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 995 | } |
| 996 | b43_calc_nrssi_slope(dev); |
| 997 | break; |
| 998 | default: |
| 999 | B43_WARN_ON(1); |
| 1000 | } |
| 1001 | } |
| 1002 | |
| 1003 | static void |
| 1004 | b43_radio_interference_mitigation_disable(struct b43_wldev *dev, int mode) |
| 1005 | { |
| 1006 | struct b43_phy *phy = &dev->phy; |
| 1007 | struct b43_phy_g *gphy = phy->g; |
| 1008 | u32 *stack = gphy->interfstack; |
| 1009 | |
| 1010 | switch (mode) { |
| 1011 | case B43_INTERFMODE_NONWLAN: |
| 1012 | if (phy->rev != 1) { |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1013 | b43_phy_mask(dev, 0x042B, ~0x0800); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1014 | b43_phy_set(dev, B43_PHY_G_CRS, 0x4000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1015 | break; |
| 1016 | } |
| 1017 | radio_stackrestore(0x0078); |
| 1018 | b43_calc_nrssi_threshold(dev); |
| 1019 | phy_stackrestore(0x0406); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1020 | b43_phy_mask(dev, 0x042B, ~0x0800); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1021 | if (!dev->bad_frames_preempt) { |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1022 | b43_phy_mask(dev, B43_PHY_RADIO_BITFIELD, ~(1 << 11)); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1023 | } |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1024 | b43_phy_set(dev, B43_PHY_G_CRS, 0x4000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1025 | phy_stackrestore(0x04A0); |
| 1026 | phy_stackrestore(0x04A1); |
| 1027 | phy_stackrestore(0x04A2); |
| 1028 | phy_stackrestore(0x04A8); |
| 1029 | phy_stackrestore(0x04AB); |
| 1030 | phy_stackrestore(0x04A7); |
| 1031 | phy_stackrestore(0x04A3); |
| 1032 | phy_stackrestore(0x04A9); |
| 1033 | phy_stackrestore(0x0493); |
| 1034 | phy_stackrestore(0x04AA); |
| 1035 | phy_stackrestore(0x04AC); |
| 1036 | break; |
| 1037 | case B43_INTERFMODE_MANUALWLAN: |
| 1038 | if (!(b43_phy_read(dev, 0x0033) & 0x0800)) |
| 1039 | break; |
| 1040 | |
| 1041 | gphy->aci_enable = 0; |
| 1042 | |
| 1043 | phy_stackrestore(B43_PHY_RADIO_BITFIELD); |
| 1044 | phy_stackrestore(B43_PHY_G_CRS); |
| 1045 | phy_stackrestore(0x0033); |
| 1046 | phy_stackrestore(0x04A3); |
| 1047 | phy_stackrestore(0x04A9); |
| 1048 | phy_stackrestore(0x0493); |
| 1049 | phy_stackrestore(0x04AA); |
| 1050 | phy_stackrestore(0x04AC); |
| 1051 | phy_stackrestore(0x04A0); |
| 1052 | phy_stackrestore(0x04A7); |
| 1053 | if (phy->rev >= 2) { |
| 1054 | phy_stackrestore(0x04C0); |
| 1055 | phy_stackrestore(0x04C1); |
| 1056 | } else |
| 1057 | phy_stackrestore(0x0406); |
| 1058 | phy_stackrestore(0x04A1); |
| 1059 | phy_stackrestore(0x04AB); |
| 1060 | phy_stackrestore(0x04A8); |
| 1061 | if (phy->rev == 2) { |
| 1062 | phy_stackrestore(0x04AD); |
| 1063 | phy_stackrestore(0x04AE); |
| 1064 | } else if (phy->rev >= 3) { |
| 1065 | phy_stackrestore(0x04AD); |
| 1066 | phy_stackrestore(0x0415); |
| 1067 | phy_stackrestore(0x0416); |
| 1068 | phy_stackrestore(0x0417); |
| 1069 | ofdmtab_stackrestore(0x1A00, 0x2); |
| 1070 | ofdmtab_stackrestore(0x1A00, 0x3); |
| 1071 | } |
| 1072 | phy_stackrestore(0x04A2); |
| 1073 | phy_stackrestore(0x048A); |
| 1074 | phy_stackrestore(0x042B); |
| 1075 | phy_stackrestore(0x048C); |
| 1076 | b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ACIW); |
| 1077 | b43_calc_nrssi_slope(dev); |
| 1078 | break; |
| 1079 | default: |
| 1080 | B43_WARN_ON(1); |
| 1081 | } |
| 1082 | } |
| 1083 | |
| 1084 | #undef phy_stacksave |
| 1085 | #undef phy_stackrestore |
| 1086 | #undef radio_stacksave |
| 1087 | #undef radio_stackrestore |
| 1088 | #undef ofdmtab_stacksave |
| 1089 | #undef ofdmtab_stackrestore |
| 1090 | |
| 1091 | static u16 b43_radio_core_calibration_value(struct b43_wldev *dev) |
| 1092 | { |
| 1093 | u16 reg, index, ret; |
| 1094 | |
| 1095 | static const u8 rcc_table[] = { |
| 1096 | 0x02, 0x03, 0x01, 0x0F, |
| 1097 | 0x06, 0x07, 0x05, 0x0F, |
| 1098 | 0x0A, 0x0B, 0x09, 0x0F, |
| 1099 | 0x0E, 0x0F, 0x0D, 0x0F, |
| 1100 | }; |
| 1101 | |
| 1102 | reg = b43_radio_read16(dev, 0x60); |
| 1103 | index = (reg & 0x001E) >> 1; |
| 1104 | ret = rcc_table[index] << 1; |
| 1105 | ret |= (reg & 0x0001); |
| 1106 | ret |= 0x0020; |
| 1107 | |
| 1108 | return ret; |
| 1109 | } |
| 1110 | |
| 1111 | #define LPD(L, P, D) (((L) << 2) | ((P) << 1) | ((D) << 0)) |
| 1112 | static u16 radio2050_rfover_val(struct b43_wldev *dev, |
| 1113 | u16 phy_register, unsigned int lpd) |
| 1114 | { |
| 1115 | struct b43_phy *phy = &dev->phy; |
| 1116 | struct b43_phy_g *gphy = phy->g; |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame^] | 1117 | struct ssb_sprom *sprom = dev->dev->bus_sprom; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1118 | |
| 1119 | if (!phy->gmode) |
| 1120 | return 0; |
| 1121 | |
| 1122 | if (has_loopback_gain(phy)) { |
| 1123 | int max_lb_gain = gphy->max_lb_gain; |
| 1124 | u16 extlna; |
| 1125 | u16 i; |
| 1126 | |
| 1127 | if (phy->radio_rev == 8) |
| 1128 | max_lb_gain += 0x3E; |
| 1129 | else |
| 1130 | max_lb_gain += 0x26; |
| 1131 | if (max_lb_gain >= 0x46) { |
| 1132 | extlna = 0x3000; |
| 1133 | max_lb_gain -= 0x46; |
| 1134 | } else if (max_lb_gain >= 0x3A) { |
| 1135 | extlna = 0x1000; |
| 1136 | max_lb_gain -= 0x3A; |
| 1137 | } else if (max_lb_gain >= 0x2E) { |
| 1138 | extlna = 0x2000; |
| 1139 | max_lb_gain -= 0x2E; |
| 1140 | } else { |
| 1141 | extlna = 0; |
| 1142 | max_lb_gain -= 0x10; |
| 1143 | } |
| 1144 | |
| 1145 | for (i = 0; i < 16; i++) { |
| 1146 | max_lb_gain -= (i * 6); |
| 1147 | if (max_lb_gain < 6) |
| 1148 | break; |
| 1149 | } |
| 1150 | |
| 1151 | if ((phy->rev < 7) || |
| 1152 | !(sprom->boardflags_lo & B43_BFL_EXTLNA)) { |
| 1153 | if (phy_register == B43_PHY_RFOVER) { |
| 1154 | return 0x1B3; |
| 1155 | } else if (phy_register == B43_PHY_RFOVERVAL) { |
| 1156 | extlna |= (i << 8); |
| 1157 | switch (lpd) { |
| 1158 | case LPD(0, 1, 1): |
| 1159 | return 0x0F92; |
| 1160 | case LPD(0, 0, 1): |
| 1161 | case LPD(1, 0, 1): |
| 1162 | return (0x0092 | extlna); |
| 1163 | case LPD(1, 0, 0): |
| 1164 | return (0x0093 | extlna); |
| 1165 | } |
| 1166 | B43_WARN_ON(1); |
| 1167 | } |
| 1168 | B43_WARN_ON(1); |
| 1169 | } else { |
| 1170 | if (phy_register == B43_PHY_RFOVER) { |
| 1171 | return 0x9B3; |
| 1172 | } else if (phy_register == B43_PHY_RFOVERVAL) { |
| 1173 | if (extlna) |
| 1174 | extlna |= 0x8000; |
| 1175 | extlna |= (i << 8); |
| 1176 | switch (lpd) { |
| 1177 | case LPD(0, 1, 1): |
| 1178 | return 0x8F92; |
| 1179 | case LPD(0, 0, 1): |
| 1180 | return (0x8092 | extlna); |
| 1181 | case LPD(1, 0, 1): |
| 1182 | return (0x2092 | extlna); |
| 1183 | case LPD(1, 0, 0): |
| 1184 | return (0x2093 | extlna); |
| 1185 | } |
| 1186 | B43_WARN_ON(1); |
| 1187 | } |
| 1188 | B43_WARN_ON(1); |
| 1189 | } |
| 1190 | } else { |
| 1191 | if ((phy->rev < 7) || |
| 1192 | !(sprom->boardflags_lo & B43_BFL_EXTLNA)) { |
| 1193 | if (phy_register == B43_PHY_RFOVER) { |
| 1194 | return 0x1B3; |
| 1195 | } else if (phy_register == B43_PHY_RFOVERVAL) { |
| 1196 | switch (lpd) { |
| 1197 | case LPD(0, 1, 1): |
| 1198 | return 0x0FB2; |
| 1199 | case LPD(0, 0, 1): |
| 1200 | return 0x00B2; |
| 1201 | case LPD(1, 0, 1): |
| 1202 | return 0x30B2; |
| 1203 | case LPD(1, 0, 0): |
| 1204 | return 0x30B3; |
| 1205 | } |
| 1206 | B43_WARN_ON(1); |
| 1207 | } |
| 1208 | B43_WARN_ON(1); |
| 1209 | } else { |
| 1210 | if (phy_register == B43_PHY_RFOVER) { |
| 1211 | return 0x9B3; |
| 1212 | } else if (phy_register == B43_PHY_RFOVERVAL) { |
| 1213 | switch (lpd) { |
| 1214 | case LPD(0, 1, 1): |
| 1215 | return 0x8FB2; |
| 1216 | case LPD(0, 0, 1): |
| 1217 | return 0x80B2; |
| 1218 | case LPD(1, 0, 1): |
| 1219 | return 0x20B2; |
| 1220 | case LPD(1, 0, 0): |
| 1221 | return 0x20B3; |
| 1222 | } |
| 1223 | B43_WARN_ON(1); |
| 1224 | } |
| 1225 | B43_WARN_ON(1); |
| 1226 | } |
| 1227 | } |
| 1228 | return 0; |
| 1229 | } |
| 1230 | |
| 1231 | struct init2050_saved_values { |
| 1232 | /* Core registers */ |
| 1233 | u16 reg_3EC; |
| 1234 | u16 reg_3E6; |
| 1235 | u16 reg_3F4; |
| 1236 | /* Radio registers */ |
| 1237 | u16 radio_43; |
| 1238 | u16 radio_51; |
| 1239 | u16 radio_52; |
| 1240 | /* PHY registers */ |
| 1241 | u16 phy_pgactl; |
| 1242 | u16 phy_cck_5A; |
| 1243 | u16 phy_cck_59; |
| 1244 | u16 phy_cck_58; |
| 1245 | u16 phy_cck_30; |
| 1246 | u16 phy_rfover; |
| 1247 | u16 phy_rfoverval; |
| 1248 | u16 phy_analogover; |
| 1249 | u16 phy_analogoverval; |
| 1250 | u16 phy_crs0; |
| 1251 | u16 phy_classctl; |
| 1252 | u16 phy_lo_mask; |
| 1253 | u16 phy_lo_ctl; |
| 1254 | u16 phy_syncctl; |
| 1255 | }; |
| 1256 | |
Hannes Eder | 11ab72a | 2008-12-26 00:13:46 -0800 | [diff] [blame] | 1257 | static u16 b43_radio_init2050(struct b43_wldev *dev) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1258 | { |
| 1259 | struct b43_phy *phy = &dev->phy; |
| 1260 | struct init2050_saved_values sav; |
| 1261 | u16 rcc; |
| 1262 | u16 radio78; |
| 1263 | u16 ret; |
| 1264 | u16 i, j; |
| 1265 | u32 tmp1 = 0, tmp2 = 0; |
| 1266 | |
| 1267 | memset(&sav, 0, sizeof(sav)); /* get rid of "may be used uninitialized..." */ |
| 1268 | |
| 1269 | sav.radio_43 = b43_radio_read16(dev, 0x43); |
| 1270 | sav.radio_51 = b43_radio_read16(dev, 0x51); |
| 1271 | sav.radio_52 = b43_radio_read16(dev, 0x52); |
| 1272 | sav.phy_pgactl = b43_phy_read(dev, B43_PHY_PGACTL); |
| 1273 | sav.phy_cck_5A = b43_phy_read(dev, B43_PHY_CCK(0x5A)); |
| 1274 | sav.phy_cck_59 = b43_phy_read(dev, B43_PHY_CCK(0x59)); |
| 1275 | sav.phy_cck_58 = b43_phy_read(dev, B43_PHY_CCK(0x58)); |
| 1276 | |
| 1277 | if (phy->type == B43_PHYTYPE_B) { |
| 1278 | sav.phy_cck_30 = b43_phy_read(dev, B43_PHY_CCK(0x30)); |
| 1279 | sav.reg_3EC = b43_read16(dev, 0x3EC); |
| 1280 | |
| 1281 | b43_phy_write(dev, B43_PHY_CCK(0x30), 0xFF); |
| 1282 | b43_write16(dev, 0x3EC, 0x3F3F); |
| 1283 | } else if (phy->gmode || phy->rev >= 2) { |
| 1284 | sav.phy_rfover = b43_phy_read(dev, B43_PHY_RFOVER); |
| 1285 | sav.phy_rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL); |
| 1286 | sav.phy_analogover = b43_phy_read(dev, B43_PHY_ANALOGOVER); |
| 1287 | sav.phy_analogoverval = |
| 1288 | b43_phy_read(dev, B43_PHY_ANALOGOVERVAL); |
| 1289 | sav.phy_crs0 = b43_phy_read(dev, B43_PHY_CRS0); |
| 1290 | sav.phy_classctl = b43_phy_read(dev, B43_PHY_CLASSCTL); |
| 1291 | |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1292 | b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0003); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1293 | b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFC); |
| 1294 | b43_phy_mask(dev, B43_PHY_CRS0, 0x7FFF); |
| 1295 | b43_phy_mask(dev, B43_PHY_CLASSCTL, 0xFFFC); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1296 | if (has_loopback_gain(phy)) { |
| 1297 | sav.phy_lo_mask = b43_phy_read(dev, B43_PHY_LO_MASK); |
| 1298 | sav.phy_lo_ctl = b43_phy_read(dev, B43_PHY_LO_CTL); |
| 1299 | |
| 1300 | if (phy->rev >= 3) |
| 1301 | b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020); |
| 1302 | else |
| 1303 | b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020); |
| 1304 | b43_phy_write(dev, B43_PHY_LO_CTL, 0); |
| 1305 | } |
| 1306 | |
| 1307 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1308 | radio2050_rfover_val(dev, B43_PHY_RFOVERVAL, |
| 1309 | LPD(0, 1, 1))); |
| 1310 | b43_phy_write(dev, B43_PHY_RFOVER, |
| 1311 | radio2050_rfover_val(dev, B43_PHY_RFOVER, 0)); |
| 1312 | } |
| 1313 | b43_write16(dev, 0x3E2, b43_read16(dev, 0x3E2) | 0x8000); |
| 1314 | |
| 1315 | sav.phy_syncctl = b43_phy_read(dev, B43_PHY_SYNCCTL); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1316 | b43_phy_mask(dev, B43_PHY_SYNCCTL, 0xFF7F); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1317 | sav.reg_3E6 = b43_read16(dev, 0x3E6); |
| 1318 | sav.reg_3F4 = b43_read16(dev, 0x3F4); |
| 1319 | |
| 1320 | if (phy->analog == 0) { |
| 1321 | b43_write16(dev, 0x03E6, 0x0122); |
| 1322 | } else { |
| 1323 | if (phy->analog >= 2) { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1324 | b43_phy_maskset(dev, B43_PHY_CCK(0x03), 0xFFBF, 0x40); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1325 | } |
| 1326 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, |
| 1327 | (b43_read16(dev, B43_MMIO_CHANNEL_EXT) | 0x2000)); |
| 1328 | } |
| 1329 | |
| 1330 | rcc = b43_radio_core_calibration_value(dev); |
| 1331 | |
| 1332 | if (phy->type == B43_PHYTYPE_B) |
| 1333 | b43_radio_write16(dev, 0x78, 0x26); |
| 1334 | if (phy->gmode || phy->rev >= 2) { |
| 1335 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1336 | radio2050_rfover_val(dev, B43_PHY_RFOVERVAL, |
| 1337 | LPD(0, 1, 1))); |
| 1338 | } |
| 1339 | b43_phy_write(dev, B43_PHY_PGACTL, 0xBFAF); |
| 1340 | b43_phy_write(dev, B43_PHY_CCK(0x2B), 0x1403); |
| 1341 | if (phy->gmode || phy->rev >= 2) { |
| 1342 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1343 | radio2050_rfover_val(dev, B43_PHY_RFOVERVAL, |
| 1344 | LPD(0, 0, 1))); |
| 1345 | } |
| 1346 | b43_phy_write(dev, B43_PHY_PGACTL, 0xBFA0); |
Michael Buesch | 4cf5076 | 2009-02-20 19:28:14 +0100 | [diff] [blame] | 1347 | b43_radio_set(dev, 0x51, 0x0004); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1348 | if (phy->radio_rev == 8) { |
| 1349 | b43_radio_write16(dev, 0x43, 0x1F); |
| 1350 | } else { |
| 1351 | b43_radio_write16(dev, 0x52, 0); |
Michael Buesch | 5f9724d | 2009-02-20 19:31:21 +0100 | [diff] [blame] | 1352 | b43_radio_maskset(dev, 0x43, 0xFFF0, 0x0009); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1353 | } |
| 1354 | b43_phy_write(dev, B43_PHY_CCK(0x58), 0); |
| 1355 | |
| 1356 | for (i = 0; i < 16; i++) { |
| 1357 | b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0480); |
| 1358 | b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810); |
| 1359 | b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D); |
| 1360 | if (phy->gmode || phy->rev >= 2) { |
| 1361 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1362 | radio2050_rfover_val(dev, |
| 1363 | B43_PHY_RFOVERVAL, |
| 1364 | LPD(1, 0, 1))); |
| 1365 | } |
| 1366 | b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0); |
| 1367 | udelay(10); |
| 1368 | if (phy->gmode || phy->rev >= 2) { |
| 1369 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1370 | radio2050_rfover_val(dev, |
| 1371 | B43_PHY_RFOVERVAL, |
| 1372 | LPD(1, 0, 1))); |
| 1373 | } |
| 1374 | b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0); |
| 1375 | udelay(10); |
| 1376 | if (phy->gmode || phy->rev >= 2) { |
| 1377 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1378 | radio2050_rfover_val(dev, |
| 1379 | B43_PHY_RFOVERVAL, |
| 1380 | LPD(1, 0, 0))); |
| 1381 | } |
| 1382 | b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0); |
| 1383 | udelay(20); |
| 1384 | tmp1 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE); |
| 1385 | b43_phy_write(dev, B43_PHY_CCK(0x58), 0); |
| 1386 | if (phy->gmode || phy->rev >= 2) { |
| 1387 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1388 | radio2050_rfover_val(dev, |
| 1389 | B43_PHY_RFOVERVAL, |
| 1390 | LPD(1, 0, 1))); |
| 1391 | } |
| 1392 | b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0); |
| 1393 | } |
| 1394 | udelay(10); |
| 1395 | |
| 1396 | b43_phy_write(dev, B43_PHY_CCK(0x58), 0); |
| 1397 | tmp1++; |
| 1398 | tmp1 >>= 9; |
| 1399 | |
| 1400 | for (i = 0; i < 16; i++) { |
| 1401 | radio78 = (bitrev4(i) << 1) | 0x0020; |
| 1402 | b43_radio_write16(dev, 0x78, radio78); |
| 1403 | udelay(10); |
| 1404 | for (j = 0; j < 16; j++) { |
| 1405 | b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0D80); |
| 1406 | b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810); |
| 1407 | b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D); |
| 1408 | if (phy->gmode || phy->rev >= 2) { |
| 1409 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1410 | radio2050_rfover_val(dev, |
| 1411 | B43_PHY_RFOVERVAL, |
| 1412 | LPD(1, 0, |
| 1413 | 1))); |
| 1414 | } |
| 1415 | b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0); |
| 1416 | udelay(10); |
| 1417 | if (phy->gmode || phy->rev >= 2) { |
| 1418 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1419 | radio2050_rfover_val(dev, |
| 1420 | B43_PHY_RFOVERVAL, |
| 1421 | LPD(1, 0, |
| 1422 | 1))); |
| 1423 | } |
| 1424 | b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0); |
| 1425 | udelay(10); |
| 1426 | if (phy->gmode || phy->rev >= 2) { |
| 1427 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1428 | radio2050_rfover_val(dev, |
| 1429 | B43_PHY_RFOVERVAL, |
| 1430 | LPD(1, 0, |
| 1431 | 0))); |
| 1432 | } |
| 1433 | b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0); |
| 1434 | udelay(10); |
| 1435 | tmp2 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE); |
| 1436 | b43_phy_write(dev, B43_PHY_CCK(0x58), 0); |
| 1437 | if (phy->gmode || phy->rev >= 2) { |
| 1438 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 1439 | radio2050_rfover_val(dev, |
| 1440 | B43_PHY_RFOVERVAL, |
| 1441 | LPD(1, 0, |
| 1442 | 1))); |
| 1443 | } |
| 1444 | b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0); |
| 1445 | } |
| 1446 | tmp2++; |
| 1447 | tmp2 >>= 8; |
| 1448 | if (tmp1 < tmp2) |
| 1449 | break; |
| 1450 | } |
| 1451 | |
| 1452 | /* Restore the registers */ |
| 1453 | b43_phy_write(dev, B43_PHY_PGACTL, sav.phy_pgactl); |
| 1454 | b43_radio_write16(dev, 0x51, sav.radio_51); |
| 1455 | b43_radio_write16(dev, 0x52, sav.radio_52); |
| 1456 | b43_radio_write16(dev, 0x43, sav.radio_43); |
| 1457 | b43_phy_write(dev, B43_PHY_CCK(0x5A), sav.phy_cck_5A); |
| 1458 | b43_phy_write(dev, B43_PHY_CCK(0x59), sav.phy_cck_59); |
| 1459 | b43_phy_write(dev, B43_PHY_CCK(0x58), sav.phy_cck_58); |
| 1460 | b43_write16(dev, 0x3E6, sav.reg_3E6); |
| 1461 | if (phy->analog != 0) |
| 1462 | b43_write16(dev, 0x3F4, sav.reg_3F4); |
| 1463 | b43_phy_write(dev, B43_PHY_SYNCCTL, sav.phy_syncctl); |
| 1464 | b43_synth_pu_workaround(dev, phy->channel); |
| 1465 | if (phy->type == B43_PHYTYPE_B) { |
| 1466 | b43_phy_write(dev, B43_PHY_CCK(0x30), sav.phy_cck_30); |
| 1467 | b43_write16(dev, 0x3EC, sav.reg_3EC); |
| 1468 | } else if (phy->gmode) { |
| 1469 | b43_write16(dev, B43_MMIO_PHY_RADIO, |
| 1470 | b43_read16(dev, B43_MMIO_PHY_RADIO) |
| 1471 | & 0x7FFF); |
| 1472 | b43_phy_write(dev, B43_PHY_RFOVER, sav.phy_rfover); |
| 1473 | b43_phy_write(dev, B43_PHY_RFOVERVAL, sav.phy_rfoverval); |
| 1474 | b43_phy_write(dev, B43_PHY_ANALOGOVER, sav.phy_analogover); |
| 1475 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, |
| 1476 | sav.phy_analogoverval); |
| 1477 | b43_phy_write(dev, B43_PHY_CRS0, sav.phy_crs0); |
| 1478 | b43_phy_write(dev, B43_PHY_CLASSCTL, sav.phy_classctl); |
| 1479 | if (has_loopback_gain(phy)) { |
| 1480 | b43_phy_write(dev, B43_PHY_LO_MASK, sav.phy_lo_mask); |
| 1481 | b43_phy_write(dev, B43_PHY_LO_CTL, sav.phy_lo_ctl); |
| 1482 | } |
| 1483 | } |
| 1484 | if (i > 15) |
| 1485 | ret = radio78; |
| 1486 | else |
| 1487 | ret = rcc; |
| 1488 | |
| 1489 | return ret; |
| 1490 | } |
| 1491 | |
| 1492 | static void b43_phy_initb5(struct b43_wldev *dev) |
| 1493 | { |
Rafał Miłecki | dedb1eb | 2011-05-14 00:04:38 +0200 | [diff] [blame] | 1494 | struct ssb_bus *bus = dev->sdev->bus; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1495 | struct b43_phy *phy = &dev->phy; |
| 1496 | struct b43_phy_g *gphy = phy->g; |
| 1497 | u16 offset, value; |
| 1498 | u8 old_channel; |
| 1499 | |
| 1500 | if (phy->analog == 1) { |
Michael Buesch | 4cf5076 | 2009-02-20 19:28:14 +0100 | [diff] [blame] | 1501 | b43_radio_set(dev, 0x007A, 0x0050); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1502 | } |
| 1503 | if ((bus->boardinfo.vendor != SSB_BOARDVENDOR_BCM) && |
| 1504 | (bus->boardinfo.type != SSB_BOARD_BU4306)) { |
| 1505 | value = 0x2120; |
| 1506 | for (offset = 0x00A8; offset < 0x00C7; offset++) { |
| 1507 | b43_phy_write(dev, offset, value); |
| 1508 | value += 0x202; |
| 1509 | } |
| 1510 | } |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1511 | b43_phy_maskset(dev, 0x0035, 0xF0FF, 0x0700); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1512 | if (phy->radio_ver == 0x2050) |
| 1513 | b43_phy_write(dev, 0x0038, 0x0667); |
| 1514 | |
| 1515 | if (phy->gmode || phy->rev >= 2) { |
| 1516 | if (phy->radio_ver == 0x2050) { |
Michael Buesch | 4cf5076 | 2009-02-20 19:28:14 +0100 | [diff] [blame] | 1517 | b43_radio_set(dev, 0x007A, 0x0020); |
| 1518 | b43_radio_set(dev, 0x0051, 0x0004); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1519 | } |
| 1520 | b43_write16(dev, B43_MMIO_PHY_RADIO, 0x0000); |
| 1521 | |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1522 | b43_phy_set(dev, 0x0802, 0x0100); |
| 1523 | b43_phy_set(dev, 0x042B, 0x2000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1524 | |
| 1525 | b43_phy_write(dev, 0x001C, 0x186A); |
| 1526 | |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1527 | b43_phy_maskset(dev, 0x0013, 0x00FF, 0x1900); |
| 1528 | b43_phy_maskset(dev, 0x0035, 0xFFC0, 0x0064); |
| 1529 | b43_phy_maskset(dev, 0x005D, 0xFF80, 0x000A); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1530 | } |
| 1531 | |
| 1532 | if (dev->bad_frames_preempt) { |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1533 | b43_phy_set(dev, B43_PHY_RADIO_BITFIELD, (1 << 11)); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1534 | } |
| 1535 | |
| 1536 | if (phy->analog == 1) { |
| 1537 | b43_phy_write(dev, 0x0026, 0xCE00); |
| 1538 | b43_phy_write(dev, 0x0021, 0x3763); |
| 1539 | b43_phy_write(dev, 0x0022, 0x1BC3); |
| 1540 | b43_phy_write(dev, 0x0023, 0x06F9); |
| 1541 | b43_phy_write(dev, 0x0024, 0x037E); |
| 1542 | } else |
| 1543 | b43_phy_write(dev, 0x0026, 0xCC00); |
| 1544 | b43_phy_write(dev, 0x0030, 0x00C6); |
| 1545 | b43_write16(dev, 0x03EC, 0x3F22); |
| 1546 | |
| 1547 | if (phy->analog == 1) |
| 1548 | b43_phy_write(dev, 0x0020, 0x3E1C); |
| 1549 | else |
| 1550 | b43_phy_write(dev, 0x0020, 0x301C); |
| 1551 | |
| 1552 | if (phy->analog == 0) |
| 1553 | b43_write16(dev, 0x03E4, 0x3000); |
| 1554 | |
| 1555 | old_channel = phy->channel; |
| 1556 | /* Force to channel 7, even if not supported. */ |
| 1557 | b43_gphy_channel_switch(dev, 7, 0); |
| 1558 | |
| 1559 | if (phy->radio_ver != 0x2050) { |
| 1560 | b43_radio_write16(dev, 0x0075, 0x0080); |
| 1561 | b43_radio_write16(dev, 0x0079, 0x0081); |
| 1562 | } |
| 1563 | |
| 1564 | b43_radio_write16(dev, 0x0050, 0x0020); |
| 1565 | b43_radio_write16(dev, 0x0050, 0x0023); |
| 1566 | |
| 1567 | if (phy->radio_ver == 0x2050) { |
| 1568 | b43_radio_write16(dev, 0x0050, 0x0020); |
| 1569 | b43_radio_write16(dev, 0x005A, 0x0070); |
| 1570 | } |
| 1571 | |
| 1572 | b43_radio_write16(dev, 0x005B, 0x007B); |
| 1573 | b43_radio_write16(dev, 0x005C, 0x00B0); |
| 1574 | |
Michael Buesch | 4cf5076 | 2009-02-20 19:28:14 +0100 | [diff] [blame] | 1575 | b43_radio_set(dev, 0x007A, 0x0007); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1576 | |
| 1577 | b43_gphy_channel_switch(dev, old_channel, 0); |
| 1578 | |
| 1579 | b43_phy_write(dev, 0x0014, 0x0080); |
| 1580 | b43_phy_write(dev, 0x0032, 0x00CA); |
| 1581 | b43_phy_write(dev, 0x002A, 0x88A3); |
| 1582 | |
| 1583 | b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, gphy->tx_control); |
| 1584 | |
| 1585 | if (phy->radio_ver == 0x2050) |
| 1586 | b43_radio_write16(dev, 0x005D, 0x000D); |
| 1587 | |
| 1588 | b43_write16(dev, 0x03E4, (b43_read16(dev, 0x03E4) & 0xFFC0) | 0x0004); |
| 1589 | } |
| 1590 | |
| 1591 | static void b43_phy_initb6(struct b43_wldev *dev) |
| 1592 | { |
| 1593 | struct b43_phy *phy = &dev->phy; |
| 1594 | struct b43_phy_g *gphy = phy->g; |
| 1595 | u16 offset, val; |
| 1596 | u8 old_channel; |
| 1597 | |
| 1598 | b43_phy_write(dev, 0x003E, 0x817A); |
| 1599 | b43_radio_write16(dev, 0x007A, |
| 1600 | (b43_radio_read16(dev, 0x007A) | 0x0058)); |
| 1601 | if (phy->radio_rev == 4 || phy->radio_rev == 5) { |
| 1602 | b43_radio_write16(dev, 0x51, 0x37); |
| 1603 | b43_radio_write16(dev, 0x52, 0x70); |
| 1604 | b43_radio_write16(dev, 0x53, 0xB3); |
| 1605 | b43_radio_write16(dev, 0x54, 0x9B); |
| 1606 | b43_radio_write16(dev, 0x5A, 0x88); |
| 1607 | b43_radio_write16(dev, 0x5B, 0x88); |
| 1608 | b43_radio_write16(dev, 0x5D, 0x88); |
| 1609 | b43_radio_write16(dev, 0x5E, 0x88); |
| 1610 | b43_radio_write16(dev, 0x7D, 0x88); |
| 1611 | b43_hf_write(dev, b43_hf_read(dev) |
| 1612 | | B43_HF_TSSIRPSMW); |
| 1613 | } |
| 1614 | B43_WARN_ON(phy->radio_rev == 6 || phy->radio_rev == 7); /* We had code for these revs here... */ |
| 1615 | if (phy->radio_rev == 8) { |
| 1616 | b43_radio_write16(dev, 0x51, 0); |
| 1617 | b43_radio_write16(dev, 0x52, 0x40); |
| 1618 | b43_radio_write16(dev, 0x53, 0xB7); |
| 1619 | b43_radio_write16(dev, 0x54, 0x98); |
| 1620 | b43_radio_write16(dev, 0x5A, 0x88); |
| 1621 | b43_radio_write16(dev, 0x5B, 0x6B); |
| 1622 | b43_radio_write16(dev, 0x5C, 0x0F); |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame^] | 1623 | if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_ALTIQ) { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1624 | b43_radio_write16(dev, 0x5D, 0xFA); |
| 1625 | b43_radio_write16(dev, 0x5E, 0xD8); |
| 1626 | } else { |
| 1627 | b43_radio_write16(dev, 0x5D, 0xF5); |
| 1628 | b43_radio_write16(dev, 0x5E, 0xB8); |
| 1629 | } |
| 1630 | b43_radio_write16(dev, 0x0073, 0x0003); |
| 1631 | b43_radio_write16(dev, 0x007D, 0x00A8); |
| 1632 | b43_radio_write16(dev, 0x007C, 0x0001); |
| 1633 | b43_radio_write16(dev, 0x007E, 0x0008); |
| 1634 | } |
| 1635 | val = 0x1E1F; |
| 1636 | for (offset = 0x0088; offset < 0x0098; offset++) { |
| 1637 | b43_phy_write(dev, offset, val); |
| 1638 | val -= 0x0202; |
| 1639 | } |
| 1640 | val = 0x3E3F; |
| 1641 | for (offset = 0x0098; offset < 0x00A8; offset++) { |
| 1642 | b43_phy_write(dev, offset, val); |
| 1643 | val -= 0x0202; |
| 1644 | } |
| 1645 | val = 0x2120; |
| 1646 | for (offset = 0x00A8; offset < 0x00C8; offset++) { |
| 1647 | b43_phy_write(dev, offset, (val & 0x3F3F)); |
| 1648 | val += 0x0202; |
| 1649 | } |
| 1650 | if (phy->type == B43_PHYTYPE_G) { |
Michael Buesch | 4cf5076 | 2009-02-20 19:28:14 +0100 | [diff] [blame] | 1651 | b43_radio_set(dev, 0x007A, 0x0020); |
| 1652 | b43_radio_set(dev, 0x0051, 0x0004); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1653 | b43_phy_set(dev, 0x0802, 0x0100); |
| 1654 | b43_phy_set(dev, 0x042B, 0x2000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1655 | b43_phy_write(dev, 0x5B, 0); |
| 1656 | b43_phy_write(dev, 0x5C, 0); |
| 1657 | } |
| 1658 | |
| 1659 | old_channel = phy->channel; |
| 1660 | if (old_channel >= 8) |
| 1661 | b43_gphy_channel_switch(dev, 1, 0); |
| 1662 | else |
| 1663 | b43_gphy_channel_switch(dev, 13, 0); |
| 1664 | |
| 1665 | b43_radio_write16(dev, 0x0050, 0x0020); |
| 1666 | b43_radio_write16(dev, 0x0050, 0x0023); |
| 1667 | udelay(40); |
| 1668 | if (phy->radio_rev < 6 || phy->radio_rev == 8) { |
| 1669 | b43_radio_write16(dev, 0x7C, (b43_radio_read16(dev, 0x7C) |
| 1670 | | 0x0002)); |
| 1671 | b43_radio_write16(dev, 0x50, 0x20); |
| 1672 | } |
| 1673 | if (phy->radio_rev <= 2) { |
| 1674 | b43_radio_write16(dev, 0x7C, 0x20); |
| 1675 | b43_radio_write16(dev, 0x5A, 0x70); |
| 1676 | b43_radio_write16(dev, 0x5B, 0x7B); |
| 1677 | b43_radio_write16(dev, 0x5C, 0xB0); |
| 1678 | } |
Michael Buesch | 5f9724d | 2009-02-20 19:31:21 +0100 | [diff] [blame] | 1679 | b43_radio_maskset(dev, 0x007A, 0x00F8, 0x0007); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1680 | |
| 1681 | b43_gphy_channel_switch(dev, old_channel, 0); |
| 1682 | |
| 1683 | b43_phy_write(dev, 0x0014, 0x0200); |
| 1684 | if (phy->radio_rev >= 6) |
| 1685 | b43_phy_write(dev, 0x2A, 0x88C2); |
| 1686 | else |
| 1687 | b43_phy_write(dev, 0x2A, 0x8AC0); |
| 1688 | b43_phy_write(dev, 0x0038, 0x0668); |
| 1689 | b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, gphy->tx_control); |
| 1690 | if (phy->radio_rev <= 5) { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1691 | b43_phy_maskset(dev, 0x5D, 0xFF80, 0x0003); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1692 | } |
| 1693 | if (phy->radio_rev <= 2) |
| 1694 | b43_radio_write16(dev, 0x005D, 0x000D); |
| 1695 | |
| 1696 | if (phy->analog == 4) { |
| 1697 | b43_write16(dev, 0x3E4, 9); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1698 | b43_phy_mask(dev, 0x61, 0x0FFF); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1699 | } else { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1700 | b43_phy_maskset(dev, 0x0002, 0xFFC0, 0x0004); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1701 | } |
| 1702 | if (phy->type == B43_PHYTYPE_B) |
| 1703 | B43_WARN_ON(1); |
| 1704 | else if (phy->type == B43_PHYTYPE_G) |
| 1705 | b43_write16(dev, 0x03E6, 0x0); |
| 1706 | } |
| 1707 | |
| 1708 | static void b43_calc_loopback_gain(struct b43_wldev *dev) |
| 1709 | { |
| 1710 | struct b43_phy *phy = &dev->phy; |
| 1711 | struct b43_phy_g *gphy = phy->g; |
| 1712 | u16 backup_phy[16] = { 0 }; |
| 1713 | u16 backup_radio[3]; |
| 1714 | u16 backup_bband; |
| 1715 | u16 i, j, loop_i_max; |
| 1716 | u16 trsw_rx; |
| 1717 | u16 loop1_outer_done, loop1_inner_done; |
| 1718 | |
| 1719 | backup_phy[0] = b43_phy_read(dev, B43_PHY_CRS0); |
| 1720 | backup_phy[1] = b43_phy_read(dev, B43_PHY_CCKBBANDCFG); |
| 1721 | backup_phy[2] = b43_phy_read(dev, B43_PHY_RFOVER); |
| 1722 | backup_phy[3] = b43_phy_read(dev, B43_PHY_RFOVERVAL); |
| 1723 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
| 1724 | backup_phy[4] = b43_phy_read(dev, B43_PHY_ANALOGOVER); |
| 1725 | backup_phy[5] = b43_phy_read(dev, B43_PHY_ANALOGOVERVAL); |
| 1726 | } |
| 1727 | backup_phy[6] = b43_phy_read(dev, B43_PHY_CCK(0x5A)); |
| 1728 | backup_phy[7] = b43_phy_read(dev, B43_PHY_CCK(0x59)); |
| 1729 | backup_phy[8] = b43_phy_read(dev, B43_PHY_CCK(0x58)); |
| 1730 | backup_phy[9] = b43_phy_read(dev, B43_PHY_CCK(0x0A)); |
| 1731 | backup_phy[10] = b43_phy_read(dev, B43_PHY_CCK(0x03)); |
| 1732 | backup_phy[11] = b43_phy_read(dev, B43_PHY_LO_MASK); |
| 1733 | backup_phy[12] = b43_phy_read(dev, B43_PHY_LO_CTL); |
| 1734 | backup_phy[13] = b43_phy_read(dev, B43_PHY_CCK(0x2B)); |
| 1735 | backup_phy[14] = b43_phy_read(dev, B43_PHY_PGACTL); |
| 1736 | backup_phy[15] = b43_phy_read(dev, B43_PHY_LO_LEAKAGE); |
| 1737 | backup_bband = gphy->bbatt.att; |
| 1738 | backup_radio[0] = b43_radio_read16(dev, 0x52); |
| 1739 | backup_radio[1] = b43_radio_read16(dev, 0x43); |
| 1740 | backup_radio[2] = b43_radio_read16(dev, 0x7A); |
| 1741 | |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1742 | b43_phy_mask(dev, B43_PHY_CRS0, 0x3FFF); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1743 | b43_phy_set(dev, B43_PHY_CCKBBANDCFG, 0x8000); |
| 1744 | b43_phy_set(dev, B43_PHY_RFOVER, 0x0002); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1745 | b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xFFFD); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1746 | b43_phy_set(dev, B43_PHY_RFOVER, 0x0001); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1747 | b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xFFFE); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1748 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1749 | b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0001); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1750 | b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFE); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1751 | b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0002); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1752 | b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFD); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1753 | } |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1754 | b43_phy_set(dev, B43_PHY_RFOVER, 0x000C); |
| 1755 | b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x000C); |
| 1756 | b43_phy_set(dev, B43_PHY_RFOVER, 0x0030); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1757 | b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xFFCF, 0x10); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1758 | |
| 1759 | b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0780); |
| 1760 | b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810); |
| 1761 | b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D); |
| 1762 | |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1763 | b43_phy_set(dev, B43_PHY_CCK(0x0A), 0x2000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1764 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1765 | b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0004); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1766 | b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFB); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1767 | } |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1768 | b43_phy_maskset(dev, B43_PHY_CCK(0x03), 0xFF9F, 0x40); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1769 | |
| 1770 | if (phy->radio_rev == 8) { |
| 1771 | b43_radio_write16(dev, 0x43, 0x000F); |
| 1772 | } else { |
| 1773 | b43_radio_write16(dev, 0x52, 0); |
Michael Buesch | 5f9724d | 2009-02-20 19:31:21 +0100 | [diff] [blame] | 1774 | b43_radio_maskset(dev, 0x43, 0xFFF0, 0x9); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1775 | } |
| 1776 | b43_gphy_set_baseband_attenuation(dev, 11); |
| 1777 | |
| 1778 | if (phy->rev >= 3) |
| 1779 | b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020); |
| 1780 | else |
| 1781 | b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020); |
| 1782 | b43_phy_write(dev, B43_PHY_LO_CTL, 0); |
| 1783 | |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1784 | b43_phy_maskset(dev, B43_PHY_CCK(0x2B), 0xFFC0, 0x01); |
| 1785 | b43_phy_maskset(dev, B43_PHY_CCK(0x2B), 0xC0FF, 0x800); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1786 | |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1787 | b43_phy_set(dev, B43_PHY_RFOVER, 0x0100); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1788 | b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xCFFF); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1789 | |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame^] | 1790 | if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_EXTLNA) { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1791 | if (phy->rev >= 7) { |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1792 | b43_phy_set(dev, B43_PHY_RFOVER, 0x0800); |
| 1793 | b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x8000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1794 | } |
| 1795 | } |
Michael Buesch | 3718582 | 2009-02-20 19:30:10 +0100 | [diff] [blame] | 1796 | b43_radio_mask(dev, 0x7A, 0x00F7); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1797 | |
| 1798 | j = 0; |
| 1799 | loop_i_max = (phy->radio_rev == 8) ? 15 : 9; |
| 1800 | for (i = 0; i < loop_i_max; i++) { |
| 1801 | for (j = 0; j < 16; j++) { |
| 1802 | b43_radio_write16(dev, 0x43, i); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1803 | b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xF0FF, (j << 8)); |
| 1804 | b43_phy_maskset(dev, B43_PHY_PGACTL, 0x0FFF, 0xA000); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1805 | b43_phy_set(dev, B43_PHY_PGACTL, 0xF000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1806 | udelay(20); |
| 1807 | if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC) |
| 1808 | goto exit_loop1; |
| 1809 | } |
| 1810 | } |
| 1811 | exit_loop1: |
| 1812 | loop1_outer_done = i; |
| 1813 | loop1_inner_done = j; |
| 1814 | if (j >= 8) { |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1815 | b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x30); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1816 | trsw_rx = 0x1B; |
| 1817 | for (j = j - 8; j < 16; j++) { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1818 | b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xF0FF, (j << 8)); |
| 1819 | b43_phy_maskset(dev, B43_PHY_PGACTL, 0x0FFF, 0xA000); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1820 | b43_phy_set(dev, B43_PHY_PGACTL, 0xF000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1821 | udelay(20); |
| 1822 | trsw_rx -= 3; |
| 1823 | if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC) |
| 1824 | goto exit_loop2; |
| 1825 | } |
| 1826 | } else |
| 1827 | trsw_rx = 0x18; |
| 1828 | exit_loop2: |
| 1829 | |
| 1830 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ |
| 1831 | b43_phy_write(dev, B43_PHY_ANALOGOVER, backup_phy[4]); |
| 1832 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, backup_phy[5]); |
| 1833 | } |
| 1834 | b43_phy_write(dev, B43_PHY_CCK(0x5A), backup_phy[6]); |
| 1835 | b43_phy_write(dev, B43_PHY_CCK(0x59), backup_phy[7]); |
| 1836 | b43_phy_write(dev, B43_PHY_CCK(0x58), backup_phy[8]); |
| 1837 | b43_phy_write(dev, B43_PHY_CCK(0x0A), backup_phy[9]); |
| 1838 | b43_phy_write(dev, B43_PHY_CCK(0x03), backup_phy[10]); |
| 1839 | b43_phy_write(dev, B43_PHY_LO_MASK, backup_phy[11]); |
| 1840 | b43_phy_write(dev, B43_PHY_LO_CTL, backup_phy[12]); |
| 1841 | b43_phy_write(dev, B43_PHY_CCK(0x2B), backup_phy[13]); |
| 1842 | b43_phy_write(dev, B43_PHY_PGACTL, backup_phy[14]); |
| 1843 | |
| 1844 | b43_gphy_set_baseband_attenuation(dev, backup_bband); |
| 1845 | |
| 1846 | b43_radio_write16(dev, 0x52, backup_radio[0]); |
| 1847 | b43_radio_write16(dev, 0x43, backup_radio[1]); |
| 1848 | b43_radio_write16(dev, 0x7A, backup_radio[2]); |
| 1849 | |
| 1850 | b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2] | 0x0003); |
| 1851 | udelay(10); |
| 1852 | b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2]); |
| 1853 | b43_phy_write(dev, B43_PHY_RFOVERVAL, backup_phy[3]); |
| 1854 | b43_phy_write(dev, B43_PHY_CRS0, backup_phy[0]); |
| 1855 | b43_phy_write(dev, B43_PHY_CCKBBANDCFG, backup_phy[1]); |
| 1856 | |
| 1857 | gphy->max_lb_gain = |
| 1858 | ((loop1_inner_done * 6) - (loop1_outer_done * 4)) - 11; |
| 1859 | gphy->trsw_rx_gain = trsw_rx * 2; |
| 1860 | } |
| 1861 | |
| 1862 | static void b43_hardware_pctl_early_init(struct b43_wldev *dev) |
| 1863 | { |
| 1864 | struct b43_phy *phy = &dev->phy; |
| 1865 | |
| 1866 | if (!b43_has_hardware_pctl(dev)) { |
| 1867 | b43_phy_write(dev, 0x047A, 0xC111); |
| 1868 | return; |
| 1869 | } |
| 1870 | |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1871 | b43_phy_mask(dev, 0x0036, 0xFEFF); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1872 | b43_phy_write(dev, 0x002F, 0x0202); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1873 | b43_phy_set(dev, 0x047C, 0x0002); |
| 1874 | b43_phy_set(dev, 0x047A, 0xF000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1875 | if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1876 | b43_phy_maskset(dev, 0x047A, 0xFF0F, 0x0010); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1877 | b43_phy_set(dev, 0x005D, 0x8000); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1878 | b43_phy_maskset(dev, 0x004E, 0xFFC0, 0x0010); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1879 | b43_phy_write(dev, 0x002E, 0xC07F); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1880 | b43_phy_set(dev, 0x0036, 0x0400); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1881 | } else { |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1882 | b43_phy_set(dev, 0x0036, 0x0200); |
| 1883 | b43_phy_set(dev, 0x0036, 0x0400); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1884 | b43_phy_mask(dev, 0x005D, 0x7FFF); |
| 1885 | b43_phy_mask(dev, 0x004F, 0xFFFE); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1886 | b43_phy_maskset(dev, 0x004E, 0xFFC0, 0x0010); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1887 | b43_phy_write(dev, 0x002E, 0xC07F); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1888 | b43_phy_maskset(dev, 0x047A, 0xFF0F, 0x0010); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1889 | } |
| 1890 | } |
| 1891 | |
| 1892 | /* Hardware power control for G-PHY */ |
| 1893 | static void b43_hardware_pctl_init_gphy(struct b43_wldev *dev) |
| 1894 | { |
| 1895 | struct b43_phy *phy = &dev->phy; |
| 1896 | struct b43_phy_g *gphy = phy->g; |
| 1897 | |
| 1898 | if (!b43_has_hardware_pctl(dev)) { |
| 1899 | /* No hardware power control */ |
| 1900 | b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_HWPCTL); |
| 1901 | return; |
| 1902 | } |
| 1903 | |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 1904 | b43_phy_maskset(dev, 0x0036, 0xFFC0, (gphy->tgt_idle_tssi - gphy->cur_idle_tssi)); |
| 1905 | b43_phy_maskset(dev, 0x0478, 0xFF00, (gphy->tgt_idle_tssi - gphy->cur_idle_tssi)); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1906 | b43_gphy_tssi_power_lt_init(dev); |
| 1907 | b43_gphy_gain_lt_init(dev); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1908 | b43_phy_mask(dev, 0x0060, 0xFFBF); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1909 | b43_phy_write(dev, 0x0014, 0x0000); |
| 1910 | |
| 1911 | B43_WARN_ON(phy->rev < 6); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 1912 | b43_phy_set(dev, 0x0478, 0x0800); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 1913 | b43_phy_mask(dev, 0x0478, 0xFEFF); |
| 1914 | b43_phy_mask(dev, 0x0801, 0xFFBF); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1915 | |
| 1916 | b43_gphy_dc_lt_init(dev, 1); |
| 1917 | |
| 1918 | /* Enable hardware pctl in firmware. */ |
| 1919 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_HWPCTL); |
| 1920 | } |
| 1921 | |
Uwe Kleine-König | b595076 | 2010-11-01 15:38:34 -0400 | [diff] [blame] | 1922 | /* Initialize B/G PHY power control */ |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1923 | static void b43_phy_init_pctl(struct b43_wldev *dev) |
| 1924 | { |
Rafał Miłecki | dedb1eb | 2011-05-14 00:04:38 +0200 | [diff] [blame] | 1925 | struct ssb_bus *bus = dev->sdev->bus; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1926 | struct b43_phy *phy = &dev->phy; |
| 1927 | struct b43_phy_g *gphy = phy->g; |
| 1928 | struct b43_rfatt old_rfatt; |
| 1929 | struct b43_bbatt old_bbatt; |
| 1930 | u8 old_tx_control = 0; |
| 1931 | |
| 1932 | B43_WARN_ON(phy->type != B43_PHYTYPE_G); |
| 1933 | |
| 1934 | if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) && |
| 1935 | (bus->boardinfo.type == SSB_BOARD_BU4306)) |
| 1936 | return; |
| 1937 | |
| 1938 | b43_phy_write(dev, 0x0028, 0x8018); |
| 1939 | |
| 1940 | /* This does something with the Analog... */ |
| 1941 | b43_write16(dev, B43_MMIO_PHY0, b43_read16(dev, B43_MMIO_PHY0) |
| 1942 | & 0xFFDF); |
| 1943 | |
| 1944 | if (!phy->gmode) |
| 1945 | return; |
| 1946 | b43_hardware_pctl_early_init(dev); |
| 1947 | if (gphy->cur_idle_tssi == 0) { |
| 1948 | if (phy->radio_ver == 0x2050 && phy->analog == 0) { |
Michael Buesch | 5f9724d | 2009-02-20 19:31:21 +0100 | [diff] [blame] | 1949 | b43_radio_maskset(dev, 0x0076, 0x00F7, 0x0084); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1950 | } else { |
| 1951 | struct b43_rfatt rfatt; |
| 1952 | struct b43_bbatt bbatt; |
| 1953 | |
| 1954 | memcpy(&old_rfatt, &gphy->rfatt, sizeof(old_rfatt)); |
| 1955 | memcpy(&old_bbatt, &gphy->bbatt, sizeof(old_bbatt)); |
| 1956 | old_tx_control = gphy->tx_control; |
| 1957 | |
| 1958 | bbatt.att = 11; |
| 1959 | if (phy->radio_rev == 8) { |
| 1960 | rfatt.att = 15; |
| 1961 | rfatt.with_padmix = 1; |
| 1962 | } else { |
| 1963 | rfatt.att = 9; |
| 1964 | rfatt.with_padmix = 0; |
| 1965 | } |
| 1966 | b43_set_txpower_g(dev, &bbatt, &rfatt, 0); |
| 1967 | } |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 1968 | b43_dummy_transmission(dev, false, true); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1969 | gphy->cur_idle_tssi = b43_phy_read(dev, B43_PHY_ITSSI); |
| 1970 | if (B43_DEBUG) { |
| 1971 | /* Current-Idle-TSSI sanity check. */ |
| 1972 | if (abs(gphy->cur_idle_tssi - gphy->tgt_idle_tssi) >= 20) { |
| 1973 | b43dbg(dev->wl, |
| 1974 | "!WARNING! Idle-TSSI phy->cur_idle_tssi " |
| 1975 | "measuring failed. (cur=%d, tgt=%d). Disabling TX power " |
| 1976 | "adjustment.\n", gphy->cur_idle_tssi, |
| 1977 | gphy->tgt_idle_tssi); |
| 1978 | gphy->cur_idle_tssi = 0; |
| 1979 | } |
| 1980 | } |
| 1981 | if (phy->radio_ver == 0x2050 && phy->analog == 0) { |
Michael Buesch | 3718582 | 2009-02-20 19:30:10 +0100 | [diff] [blame] | 1982 | b43_radio_mask(dev, 0x0076, 0xFF7B); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1983 | } else { |
| 1984 | b43_set_txpower_g(dev, &old_bbatt, |
| 1985 | &old_rfatt, old_tx_control); |
| 1986 | } |
| 1987 | } |
| 1988 | b43_hardware_pctl_init_gphy(dev); |
| 1989 | b43_shm_clear_tssi(dev); |
| 1990 | } |
| 1991 | |
| 1992 | static void b43_phy_initg(struct b43_wldev *dev) |
| 1993 | { |
| 1994 | struct b43_phy *phy = &dev->phy; |
| 1995 | struct b43_phy_g *gphy = phy->g; |
| 1996 | u16 tmp; |
| 1997 | |
| 1998 | if (phy->rev == 1) |
| 1999 | b43_phy_initb5(dev); |
| 2000 | else |
| 2001 | b43_phy_initb6(dev); |
| 2002 | |
| 2003 | if (phy->rev >= 2 || phy->gmode) |
| 2004 | b43_phy_inita(dev); |
| 2005 | |
| 2006 | if (phy->rev >= 2) { |
| 2007 | b43_phy_write(dev, B43_PHY_ANALOGOVER, 0); |
| 2008 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, 0); |
| 2009 | } |
| 2010 | if (phy->rev == 2) { |
| 2011 | b43_phy_write(dev, B43_PHY_RFOVER, 0); |
| 2012 | b43_phy_write(dev, B43_PHY_PGACTL, 0xC0); |
| 2013 | } |
| 2014 | if (phy->rev > 5) { |
| 2015 | b43_phy_write(dev, B43_PHY_RFOVER, 0x400); |
| 2016 | b43_phy_write(dev, B43_PHY_PGACTL, 0xC0); |
| 2017 | } |
| 2018 | if (phy->gmode || phy->rev >= 2) { |
| 2019 | tmp = b43_phy_read(dev, B43_PHY_VERSION_OFDM); |
| 2020 | tmp &= B43_PHYVER_VERSION; |
| 2021 | if (tmp == 3 || tmp == 5) { |
| 2022 | b43_phy_write(dev, B43_PHY_OFDM(0xC2), 0x1816); |
| 2023 | b43_phy_write(dev, B43_PHY_OFDM(0xC3), 0x8006); |
| 2024 | } |
| 2025 | if (tmp == 5) { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 2026 | b43_phy_maskset(dev, B43_PHY_OFDM(0xCC), 0x00FF, 0x1F00); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2027 | } |
| 2028 | } |
| 2029 | if ((phy->rev <= 2 && phy->gmode) || phy->rev >= 2) |
| 2030 | b43_phy_write(dev, B43_PHY_OFDM(0x7E), 0x78); |
| 2031 | if (phy->radio_rev == 8) { |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 2032 | b43_phy_set(dev, B43_PHY_EXTG(0x01), 0x80); |
| 2033 | b43_phy_set(dev, B43_PHY_OFDM(0x3E), 0x4); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2034 | } |
| 2035 | if (has_loopback_gain(phy)) |
| 2036 | b43_calc_loopback_gain(dev); |
| 2037 | |
| 2038 | if (phy->radio_rev != 8) { |
| 2039 | if (gphy->initval == 0xFFFF) |
| 2040 | gphy->initval = b43_radio_init2050(dev); |
| 2041 | else |
| 2042 | b43_radio_write16(dev, 0x0078, gphy->initval); |
| 2043 | } |
| 2044 | b43_lo_g_init(dev); |
| 2045 | if (has_tx_magnification(phy)) { |
| 2046 | b43_radio_write16(dev, 0x52, |
| 2047 | (b43_radio_read16(dev, 0x52) & 0xFF00) |
| 2048 | | gphy->lo_control->tx_bias | gphy-> |
| 2049 | lo_control->tx_magn); |
| 2050 | } else { |
Michael Buesch | 5f9724d | 2009-02-20 19:31:21 +0100 | [diff] [blame] | 2051 | b43_radio_maskset(dev, 0x52, 0xFFF0, gphy->lo_control->tx_bias); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2052 | } |
| 2053 | if (phy->rev >= 6) { |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 2054 | b43_phy_maskset(dev, B43_PHY_CCK(0x36), 0x0FFF, (gphy->lo_control->tx_bias << 12)); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2055 | } |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame^] | 2056 | if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2057 | b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x8075); |
| 2058 | else |
| 2059 | b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x807F); |
| 2060 | if (phy->rev < 2) |
| 2061 | b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x101); |
| 2062 | else |
| 2063 | b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x202); |
| 2064 | if (phy->gmode || phy->rev >= 2) { |
| 2065 | b43_lo_g_adjust(dev); |
| 2066 | b43_phy_write(dev, B43_PHY_LO_MASK, 0x8078); |
| 2067 | } |
| 2068 | |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame^] | 2069 | if (!(dev->dev->bus_sprom->boardflags_lo & B43_BFL_RSSI)) { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2070 | /* The specs state to update the NRSSI LT with |
| 2071 | * the value 0x7FFFFFFF here. I think that is some weird |
| 2072 | * compiler optimization in the original driver. |
| 2073 | * Essentially, what we do here is resetting all NRSSI LT |
| 2074 | * entries to -32 (see the clamp_val() in nrssi_hw_update()) |
| 2075 | */ |
| 2076 | b43_nrssi_hw_update(dev, 0xFFFF); //FIXME? |
| 2077 | b43_calc_nrssi_threshold(dev); |
| 2078 | } else if (phy->gmode || phy->rev >= 2) { |
| 2079 | if (gphy->nrssi[0] == -1000) { |
| 2080 | B43_WARN_ON(gphy->nrssi[1] != -1000); |
| 2081 | b43_calc_nrssi_slope(dev); |
| 2082 | } else |
| 2083 | b43_calc_nrssi_threshold(dev); |
| 2084 | } |
| 2085 | if (phy->radio_rev == 8) |
| 2086 | b43_phy_write(dev, B43_PHY_EXTG(0x05), 0x3230); |
| 2087 | b43_phy_init_pctl(dev); |
| 2088 | /* FIXME: The spec says in the following if, the 0 should be replaced |
| 2089 | 'if OFDM may not be used in the current locale' |
| 2090 | but OFDM is legal everywhere */ |
Rafał Miłecki | dedb1eb | 2011-05-14 00:04:38 +0200 | [diff] [blame] | 2091 | if ((dev->sdev->bus->chip_id == 0x4306 |
| 2092 | && dev->sdev->bus->chip_package == 2) || 0) { |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 2093 | b43_phy_mask(dev, B43_PHY_CRS0, 0xBFFF); |
| 2094 | b43_phy_mask(dev, B43_PHY_OFDM(0xC3), 0x7FFF); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2095 | } |
| 2096 | } |
| 2097 | |
| 2098 | void b43_gphy_channel_switch(struct b43_wldev *dev, |
| 2099 | unsigned int channel, |
| 2100 | bool synthetic_pu_workaround) |
| 2101 | { |
| 2102 | if (synthetic_pu_workaround) |
| 2103 | b43_synth_pu_workaround(dev, channel); |
| 2104 | |
| 2105 | b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel)); |
| 2106 | |
| 2107 | if (channel == 14) { |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame^] | 2108 | if (dev->dev->bus_sprom->country_code == |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2109 | SSB_SPROM1CCODE_JAPAN) |
| 2110 | b43_hf_write(dev, |
| 2111 | b43_hf_read(dev) & ~B43_HF_ACPR); |
| 2112 | else |
| 2113 | b43_hf_write(dev, |
| 2114 | b43_hf_read(dev) | B43_HF_ACPR); |
| 2115 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, |
| 2116 | b43_read16(dev, B43_MMIO_CHANNEL_EXT) |
| 2117 | | (1 << 11)); |
| 2118 | } else { |
| 2119 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, |
| 2120 | b43_read16(dev, B43_MMIO_CHANNEL_EXT) |
| 2121 | & 0xF7BF); |
| 2122 | } |
| 2123 | } |
| 2124 | |
| 2125 | static void default_baseband_attenuation(struct b43_wldev *dev, |
| 2126 | struct b43_bbatt *bb) |
| 2127 | { |
| 2128 | struct b43_phy *phy = &dev->phy; |
| 2129 | |
| 2130 | if (phy->radio_ver == 0x2050 && phy->radio_rev < 6) |
| 2131 | bb->att = 0; |
| 2132 | else |
| 2133 | bb->att = 2; |
| 2134 | } |
| 2135 | |
| 2136 | static void default_radio_attenuation(struct b43_wldev *dev, |
| 2137 | struct b43_rfatt *rf) |
| 2138 | { |
Rafał Miłecki | dedb1eb | 2011-05-14 00:04:38 +0200 | [diff] [blame] | 2139 | struct ssb_bus *bus = dev->sdev->bus; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2140 | struct b43_phy *phy = &dev->phy; |
| 2141 | |
| 2142 | rf->with_padmix = 0; |
| 2143 | |
| 2144 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM && |
| 2145 | bus->boardinfo.type == SSB_BOARD_BCM4309G) { |
| 2146 | if (bus->boardinfo.rev < 0x43) { |
| 2147 | rf->att = 2; |
| 2148 | return; |
| 2149 | } else if (bus->boardinfo.rev < 0x51) { |
| 2150 | rf->att = 3; |
| 2151 | return; |
| 2152 | } |
| 2153 | } |
| 2154 | |
| 2155 | if (phy->type == B43_PHYTYPE_A) { |
| 2156 | rf->att = 0x60; |
| 2157 | return; |
| 2158 | } |
| 2159 | |
| 2160 | switch (phy->radio_ver) { |
| 2161 | case 0x2053: |
| 2162 | switch (phy->radio_rev) { |
| 2163 | case 1: |
| 2164 | rf->att = 6; |
| 2165 | return; |
| 2166 | } |
| 2167 | break; |
| 2168 | case 0x2050: |
| 2169 | switch (phy->radio_rev) { |
| 2170 | case 0: |
| 2171 | rf->att = 5; |
| 2172 | return; |
| 2173 | case 1: |
| 2174 | if (phy->type == B43_PHYTYPE_G) { |
| 2175 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM |
| 2176 | && bus->boardinfo.type == SSB_BOARD_BCM4309G |
| 2177 | && bus->boardinfo.rev >= 30) |
| 2178 | rf->att = 3; |
| 2179 | else if (bus->boardinfo.vendor == |
| 2180 | SSB_BOARDVENDOR_BCM |
| 2181 | && bus->boardinfo.type == |
| 2182 | SSB_BOARD_BU4306) |
| 2183 | rf->att = 3; |
| 2184 | else |
| 2185 | rf->att = 1; |
| 2186 | } else { |
| 2187 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM |
| 2188 | && bus->boardinfo.type == SSB_BOARD_BCM4309G |
| 2189 | && bus->boardinfo.rev >= 30) |
| 2190 | rf->att = 7; |
| 2191 | else |
| 2192 | rf->att = 6; |
| 2193 | } |
| 2194 | return; |
| 2195 | case 2: |
| 2196 | if (phy->type == B43_PHYTYPE_G) { |
| 2197 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM |
| 2198 | && bus->boardinfo.type == SSB_BOARD_BCM4309G |
| 2199 | && bus->boardinfo.rev >= 30) |
| 2200 | rf->att = 3; |
| 2201 | else if (bus->boardinfo.vendor == |
| 2202 | SSB_BOARDVENDOR_BCM |
| 2203 | && bus->boardinfo.type == |
| 2204 | SSB_BOARD_BU4306) |
| 2205 | rf->att = 5; |
| 2206 | else if (bus->chip_id == 0x4320) |
| 2207 | rf->att = 4; |
| 2208 | else |
| 2209 | rf->att = 3; |
| 2210 | } else |
| 2211 | rf->att = 6; |
| 2212 | return; |
| 2213 | case 3: |
| 2214 | rf->att = 5; |
| 2215 | return; |
| 2216 | case 4: |
| 2217 | case 5: |
| 2218 | rf->att = 1; |
| 2219 | return; |
| 2220 | case 6: |
| 2221 | case 7: |
| 2222 | rf->att = 5; |
| 2223 | return; |
| 2224 | case 8: |
| 2225 | rf->att = 0xA; |
| 2226 | rf->with_padmix = 1; |
| 2227 | return; |
| 2228 | case 9: |
| 2229 | default: |
| 2230 | rf->att = 5; |
| 2231 | return; |
| 2232 | } |
| 2233 | } |
| 2234 | rf->att = 5; |
| 2235 | } |
| 2236 | |
| 2237 | static u16 default_tx_control(struct b43_wldev *dev) |
| 2238 | { |
| 2239 | struct b43_phy *phy = &dev->phy; |
| 2240 | |
| 2241 | if (phy->radio_ver != 0x2050) |
| 2242 | return 0; |
| 2243 | if (phy->radio_rev == 1) |
| 2244 | return B43_TXCTL_PA2DB | B43_TXCTL_TXMIX; |
| 2245 | if (phy->radio_rev < 6) |
| 2246 | return B43_TXCTL_PA2DB; |
| 2247 | if (phy->radio_rev == 8) |
| 2248 | return B43_TXCTL_TXMIX; |
| 2249 | return 0; |
| 2250 | } |
| 2251 | |
| 2252 | static u8 b43_gphy_aci_detect(struct b43_wldev *dev, u8 channel) |
| 2253 | { |
| 2254 | struct b43_phy *phy = &dev->phy; |
| 2255 | struct b43_phy_g *gphy = phy->g; |
| 2256 | u8 ret = 0; |
| 2257 | u16 saved, rssi, temp; |
| 2258 | int i, j = 0; |
| 2259 | |
| 2260 | saved = b43_phy_read(dev, 0x0403); |
| 2261 | b43_switch_channel(dev, channel); |
| 2262 | b43_phy_write(dev, 0x0403, (saved & 0xFFF8) | 5); |
| 2263 | if (gphy->aci_hw_rssi) |
| 2264 | rssi = b43_phy_read(dev, 0x048A) & 0x3F; |
| 2265 | else |
| 2266 | rssi = saved & 0x3F; |
| 2267 | /* clamp temp to signed 5bit */ |
| 2268 | if (rssi > 32) |
| 2269 | rssi -= 64; |
| 2270 | for (i = 0; i < 100; i++) { |
| 2271 | temp = (b43_phy_read(dev, 0x047F) >> 8) & 0x3F; |
| 2272 | if (temp > 32) |
| 2273 | temp -= 64; |
| 2274 | if (temp < rssi) |
| 2275 | j++; |
| 2276 | if (j >= 20) |
| 2277 | ret = 1; |
| 2278 | } |
| 2279 | b43_phy_write(dev, 0x0403, saved); |
| 2280 | |
| 2281 | return ret; |
| 2282 | } |
| 2283 | |
| 2284 | static u8 b43_gphy_aci_scan(struct b43_wldev *dev) |
| 2285 | { |
| 2286 | struct b43_phy *phy = &dev->phy; |
| 2287 | u8 ret[13]; |
| 2288 | unsigned int channel = phy->channel; |
| 2289 | unsigned int i, j, start, end; |
| 2290 | |
| 2291 | if (!((phy->type == B43_PHYTYPE_G) && (phy->rev > 0))) |
| 2292 | return 0; |
| 2293 | |
| 2294 | b43_phy_lock(dev); |
| 2295 | b43_radio_lock(dev); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 2296 | b43_phy_mask(dev, 0x0802, 0xFFFC); |
| 2297 | b43_phy_mask(dev, B43_PHY_G_CRS, 0x7FFF); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2298 | b43_set_all_gains(dev, 3, 8, 1); |
| 2299 | |
| 2300 | start = (channel - 5 > 0) ? channel - 5 : 1; |
| 2301 | end = (channel + 5 < 14) ? channel + 5 : 13; |
| 2302 | |
| 2303 | for (i = start; i <= end; i++) { |
| 2304 | if (abs(channel - i) > 2) |
| 2305 | ret[i - 1] = b43_gphy_aci_detect(dev, i); |
| 2306 | } |
| 2307 | b43_switch_channel(dev, channel); |
Michael Buesch | 76e190c | 2009-02-20 19:26:27 +0100 | [diff] [blame] | 2308 | b43_phy_maskset(dev, 0x0802, 0xFFFC, 0x0003); |
Michael Buesch | ac1ea39 | 2009-02-20 19:25:05 +0100 | [diff] [blame] | 2309 | b43_phy_mask(dev, 0x0403, 0xFFF8); |
Michael Buesch | e59be0b | 2009-02-20 19:22:36 +0100 | [diff] [blame] | 2310 | b43_phy_set(dev, B43_PHY_G_CRS, 0x8000); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2311 | b43_set_original_gains(dev); |
| 2312 | for (i = 0; i < 13; i++) { |
| 2313 | if (!ret[i]) |
| 2314 | continue; |
| 2315 | end = (i + 5 < 13) ? i + 5 : 13; |
| 2316 | for (j = i; j < end; j++) |
| 2317 | ret[j] = 1; |
| 2318 | } |
| 2319 | b43_radio_unlock(dev); |
| 2320 | b43_phy_unlock(dev); |
| 2321 | |
| 2322 | return ret[channel - 1]; |
| 2323 | } |
| 2324 | |
| 2325 | static s32 b43_tssi2dbm_ad(s32 num, s32 den) |
| 2326 | { |
| 2327 | if (num < 0) |
| 2328 | return num / den; |
| 2329 | else |
| 2330 | return (num + den / 2) / den; |
| 2331 | } |
| 2332 | |
| 2333 | static s8 b43_tssi2dbm_entry(s8 entry[], u8 index, |
| 2334 | s16 pab0, s16 pab1, s16 pab2) |
| 2335 | { |
| 2336 | s32 m1, m2, f = 256, q, delta; |
| 2337 | s8 i = 0; |
| 2338 | |
| 2339 | m1 = b43_tssi2dbm_ad(16 * pab0 + index * pab1, 32); |
| 2340 | m2 = max(b43_tssi2dbm_ad(32768 + index * pab2, 256), 1); |
| 2341 | do { |
| 2342 | if (i > 15) |
| 2343 | return -EINVAL; |
| 2344 | q = b43_tssi2dbm_ad(f * 4096 - |
| 2345 | b43_tssi2dbm_ad(m2 * f, 16) * f, 2048); |
| 2346 | delta = abs(q - f); |
| 2347 | f = q; |
| 2348 | i++; |
| 2349 | } while (delta >= 2); |
| 2350 | entry[index] = clamp_val(b43_tssi2dbm_ad(m1 * f, 8192), -127, 128); |
| 2351 | return 0; |
| 2352 | } |
| 2353 | |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 2354 | u8 *b43_generate_dyn_tssi2dbm_tab(struct b43_wldev *dev, |
| 2355 | s16 pab0, s16 pab1, s16 pab2) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2356 | { |
| 2357 | unsigned int i; |
| 2358 | u8 *tab; |
| 2359 | int err; |
| 2360 | |
| 2361 | tab = kmalloc(64, GFP_KERNEL); |
| 2362 | if (!tab) { |
| 2363 | b43err(dev->wl, "Could not allocate memory " |
| 2364 | "for tssi2dbm table\n"); |
| 2365 | return NULL; |
| 2366 | } |
| 2367 | for (i = 0; i < 64; i++) { |
| 2368 | err = b43_tssi2dbm_entry(tab, i, pab0, pab1, pab2); |
| 2369 | if (err) { |
| 2370 | b43err(dev->wl, "Could not generate " |
| 2371 | "tssi2dBm table\n"); |
| 2372 | kfree(tab); |
| 2373 | return NULL; |
| 2374 | } |
| 2375 | } |
| 2376 | |
| 2377 | return tab; |
| 2378 | } |
| 2379 | |
| 2380 | /* Initialise the TSSI->dBm lookup table */ |
| 2381 | static int b43_gphy_init_tssi2dbm_table(struct b43_wldev *dev) |
| 2382 | { |
| 2383 | struct b43_phy *phy = &dev->phy; |
| 2384 | struct b43_phy_g *gphy = phy->g; |
| 2385 | s16 pab0, pab1, pab2; |
| 2386 | |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame^] | 2387 | pab0 = (s16) (dev->dev->bus_sprom->pa0b0); |
| 2388 | pab1 = (s16) (dev->dev->bus_sprom->pa0b1); |
| 2389 | pab2 = (s16) (dev->dev->bus_sprom->pa0b2); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2390 | |
Rafał Miłecki | dedb1eb | 2011-05-14 00:04:38 +0200 | [diff] [blame] | 2391 | B43_WARN_ON((dev->sdev->bus->chip_id == 0x4301) && |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2392 | (phy->radio_ver != 0x2050)); /* Not supported anymore */ |
| 2393 | |
| 2394 | gphy->dyn_tssi_tbl = 0; |
| 2395 | |
| 2396 | if (pab0 != 0 && pab1 != 0 && pab2 != 0 && |
| 2397 | pab0 != -1 && pab1 != -1 && pab2 != -1) { |
| 2398 | /* The pabX values are set in SPROM. Use them. */ |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame^] | 2399 | if ((s8) dev->dev->bus_sprom->itssi_bg != 0 && |
| 2400 | (s8) dev->dev->bus_sprom->itssi_bg != -1) { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2401 | gphy->tgt_idle_tssi = |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame^] | 2402 | (s8) (dev->dev->bus_sprom->itssi_bg); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2403 | } else |
| 2404 | gphy->tgt_idle_tssi = 62; |
| 2405 | gphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0, |
| 2406 | pab1, pab2); |
| 2407 | if (!gphy->tssi2dbm) |
| 2408 | return -ENOMEM; |
| 2409 | gphy->dyn_tssi_tbl = 1; |
| 2410 | } else { |
| 2411 | /* pabX values not set in SPROM. */ |
| 2412 | gphy->tgt_idle_tssi = 52; |
| 2413 | gphy->tssi2dbm = b43_tssi2dbm_g_table; |
| 2414 | } |
| 2415 | |
| 2416 | return 0; |
| 2417 | } |
| 2418 | |
| 2419 | static int b43_gphy_op_allocate(struct b43_wldev *dev) |
| 2420 | { |
| 2421 | struct b43_phy_g *gphy; |
| 2422 | struct b43_txpower_lo_control *lo; |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 2423 | int err; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2424 | |
| 2425 | gphy = kzalloc(sizeof(*gphy), GFP_KERNEL); |
| 2426 | if (!gphy) { |
| 2427 | err = -ENOMEM; |
| 2428 | goto error; |
| 2429 | } |
| 2430 | dev->phy.g = gphy; |
| 2431 | |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 2432 | lo = kzalloc(sizeof(*lo), GFP_KERNEL); |
| 2433 | if (!lo) { |
| 2434 | err = -ENOMEM; |
| 2435 | goto err_free_gphy; |
| 2436 | } |
| 2437 | gphy->lo_control = lo; |
| 2438 | |
| 2439 | err = b43_gphy_init_tssi2dbm_table(dev); |
| 2440 | if (err) |
| 2441 | goto err_free_lo; |
| 2442 | |
| 2443 | return 0; |
| 2444 | |
| 2445 | err_free_lo: |
| 2446 | kfree(lo); |
| 2447 | err_free_gphy: |
| 2448 | kfree(gphy); |
| 2449 | error: |
| 2450 | return err; |
| 2451 | } |
| 2452 | |
| 2453 | static void b43_gphy_op_prepare_structs(struct b43_wldev *dev) |
| 2454 | { |
| 2455 | struct b43_phy *phy = &dev->phy; |
| 2456 | struct b43_phy_g *gphy = phy->g; |
| 2457 | const void *tssi2dbm; |
| 2458 | int tgt_idle_tssi; |
| 2459 | struct b43_txpower_lo_control *lo; |
| 2460 | unsigned int i; |
| 2461 | |
| 2462 | /* tssi2dbm table is constant, so it is initialized at alloc time. |
| 2463 | * Save a copy of the pointer. */ |
| 2464 | tssi2dbm = gphy->tssi2dbm; |
| 2465 | tgt_idle_tssi = gphy->tgt_idle_tssi; |
| 2466 | /* Save the LO pointer. */ |
| 2467 | lo = gphy->lo_control; |
| 2468 | |
| 2469 | /* Zero out the whole PHY structure. */ |
| 2470 | memset(gphy, 0, sizeof(*gphy)); |
| 2471 | |
| 2472 | /* Restore pointers. */ |
| 2473 | gphy->tssi2dbm = tssi2dbm; |
| 2474 | gphy->tgt_idle_tssi = tgt_idle_tssi; |
| 2475 | gphy->lo_control = lo; |
| 2476 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2477 | memset(gphy->minlowsig, 0xFF, sizeof(gphy->minlowsig)); |
| 2478 | |
| 2479 | /* NRSSI */ |
| 2480 | for (i = 0; i < ARRAY_SIZE(gphy->nrssi); i++) |
| 2481 | gphy->nrssi[i] = -1000; |
| 2482 | for (i = 0; i < ARRAY_SIZE(gphy->nrssi_lt); i++) |
| 2483 | gphy->nrssi_lt[i] = i; |
| 2484 | |
| 2485 | gphy->lofcal = 0xFFFF; |
| 2486 | gphy->initval = 0xFFFF; |
| 2487 | |
| 2488 | gphy->interfmode = B43_INTERFMODE_NONE; |
| 2489 | |
| 2490 | /* OFDM-table address caching. */ |
| 2491 | gphy->ofdmtab_addr_direction = B43_OFDMTAB_DIRECTION_UNKNOWN; |
| 2492 | |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 2493 | gphy->average_tssi = 0xFF; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2494 | |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 2495 | /* Local Osciallator structure */ |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2496 | lo->tx_bias = 0xFF; |
| 2497 | INIT_LIST_HEAD(&lo->calib_list); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2498 | } |
| 2499 | |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 2500 | static void b43_gphy_op_free(struct b43_wldev *dev) |
| 2501 | { |
| 2502 | struct b43_phy *phy = &dev->phy; |
| 2503 | struct b43_phy_g *gphy = phy->g; |
| 2504 | |
| 2505 | kfree(gphy->lo_control); |
| 2506 | |
| 2507 | if (gphy->dyn_tssi_tbl) |
| 2508 | kfree(gphy->tssi2dbm); |
| 2509 | gphy->dyn_tssi_tbl = 0; |
| 2510 | gphy->tssi2dbm = NULL; |
| 2511 | |
| 2512 | kfree(gphy); |
| 2513 | dev->phy.g = NULL; |
| 2514 | } |
| 2515 | |
| 2516 | static int b43_gphy_op_prepare_hardware(struct b43_wldev *dev) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2517 | { |
| 2518 | struct b43_phy *phy = &dev->phy; |
| 2519 | struct b43_phy_g *gphy = phy->g; |
| 2520 | struct b43_txpower_lo_control *lo = gphy->lo_control; |
| 2521 | |
| 2522 | B43_WARN_ON(phy->type != B43_PHYTYPE_G); |
| 2523 | |
| 2524 | default_baseband_attenuation(dev, &gphy->bbatt); |
| 2525 | default_radio_attenuation(dev, &gphy->rfatt); |
| 2526 | gphy->tx_control = (default_tx_control(dev) << 4); |
| 2527 | generate_rfatt_list(dev, &lo->rfatt_list); |
| 2528 | generate_bbatt_list(dev, &lo->bbatt_list); |
| 2529 | |
| 2530 | /* Commit previous writes */ |
| 2531 | b43_read32(dev, B43_MMIO_MACCTL); |
| 2532 | |
| 2533 | if (phy->rev == 1) { |
| 2534 | /* Workaround: Temporarly disable gmode through the early init |
| 2535 | * phase, as the gmode stuff is not needed for phy rev 1 */ |
| 2536 | phy->gmode = 0; |
| 2537 | b43_wireless_core_reset(dev, 0); |
| 2538 | b43_phy_initg(dev); |
| 2539 | phy->gmode = 1; |
| 2540 | b43_wireless_core_reset(dev, B43_TMSLOW_GMODE); |
| 2541 | } |
| 2542 | |
| 2543 | return 0; |
| 2544 | } |
| 2545 | |
| 2546 | static int b43_gphy_op_init(struct b43_wldev *dev) |
| 2547 | { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2548 | b43_phy_initg(dev); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2549 | |
| 2550 | return 0; |
| 2551 | } |
| 2552 | |
| 2553 | static void b43_gphy_op_exit(struct b43_wldev *dev) |
| 2554 | { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2555 | b43_lo_g_cleanup(dev); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2556 | } |
| 2557 | |
| 2558 | static u16 b43_gphy_op_read(struct b43_wldev *dev, u16 reg) |
| 2559 | { |
| 2560 | b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); |
| 2561 | return b43_read16(dev, B43_MMIO_PHY_DATA); |
| 2562 | } |
| 2563 | |
| 2564 | static void b43_gphy_op_write(struct b43_wldev *dev, u16 reg, u16 value) |
| 2565 | { |
| 2566 | b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); |
| 2567 | b43_write16(dev, B43_MMIO_PHY_DATA, value); |
| 2568 | } |
| 2569 | |
| 2570 | static u16 b43_gphy_op_radio_read(struct b43_wldev *dev, u16 reg) |
| 2571 | { |
| 2572 | /* Register 1 is a 32-bit register. */ |
| 2573 | B43_WARN_ON(reg == 1); |
| 2574 | /* G-PHY needs 0x80 for read access. */ |
| 2575 | reg |= 0x80; |
| 2576 | |
| 2577 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); |
| 2578 | return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); |
| 2579 | } |
| 2580 | |
| 2581 | static void b43_gphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value) |
| 2582 | { |
| 2583 | /* Register 1 is a 32-bit register. */ |
| 2584 | B43_WARN_ON(reg == 1); |
| 2585 | |
| 2586 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); |
| 2587 | b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value); |
| 2588 | } |
| 2589 | |
| 2590 | static bool b43_gphy_op_supports_hwpctl(struct b43_wldev *dev) |
| 2591 | { |
| 2592 | return (dev->phy.rev >= 6); |
| 2593 | } |
| 2594 | |
| 2595 | static void b43_gphy_op_software_rfkill(struct b43_wldev *dev, |
Johannes Berg | 19d337d | 2009-06-02 13:01:37 +0200 | [diff] [blame] | 2596 | bool blocked) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2597 | { |
| 2598 | struct b43_phy *phy = &dev->phy; |
| 2599 | struct b43_phy_g *gphy = phy->g; |
| 2600 | unsigned int channel; |
| 2601 | |
| 2602 | might_sleep(); |
| 2603 | |
Johannes Berg | 19d337d | 2009-06-02 13:01:37 +0200 | [diff] [blame] | 2604 | if (!blocked) { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2605 | /* Turn radio ON */ |
| 2606 | if (phy->radio_on) |
| 2607 | return; |
| 2608 | |
| 2609 | b43_phy_write(dev, 0x0015, 0x8000); |
| 2610 | b43_phy_write(dev, 0x0015, 0xCC00); |
| 2611 | b43_phy_write(dev, 0x0015, (phy->gmode ? 0x00C0 : 0x0000)); |
| 2612 | if (gphy->radio_off_context.valid) { |
| 2613 | /* Restore the RFover values. */ |
| 2614 | b43_phy_write(dev, B43_PHY_RFOVER, |
| 2615 | gphy->radio_off_context.rfover); |
| 2616 | b43_phy_write(dev, B43_PHY_RFOVERVAL, |
| 2617 | gphy->radio_off_context.rfoverval); |
| 2618 | gphy->radio_off_context.valid = 0; |
| 2619 | } |
| 2620 | channel = phy->channel; |
| 2621 | b43_gphy_channel_switch(dev, 6, 1); |
| 2622 | b43_gphy_channel_switch(dev, channel, 0); |
| 2623 | } else { |
| 2624 | /* Turn radio OFF */ |
| 2625 | u16 rfover, rfoverval; |
| 2626 | |
| 2627 | rfover = b43_phy_read(dev, B43_PHY_RFOVER); |
| 2628 | rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL); |
| 2629 | gphy->radio_off_context.rfover = rfover; |
| 2630 | gphy->radio_off_context.rfoverval = rfoverval; |
| 2631 | gphy->radio_off_context.valid = 1; |
| 2632 | b43_phy_write(dev, B43_PHY_RFOVER, rfover | 0x008C); |
| 2633 | b43_phy_write(dev, B43_PHY_RFOVERVAL, rfoverval & 0xFF73); |
| 2634 | } |
| 2635 | } |
| 2636 | |
| 2637 | static int b43_gphy_op_switch_channel(struct b43_wldev *dev, |
| 2638 | unsigned int new_channel) |
| 2639 | { |
| 2640 | if ((new_channel < 1) || (new_channel > 14)) |
| 2641 | return -EINVAL; |
| 2642 | b43_gphy_channel_switch(dev, new_channel, 0); |
| 2643 | |
| 2644 | return 0; |
| 2645 | } |
| 2646 | |
| 2647 | static unsigned int b43_gphy_op_get_default_chan(struct b43_wldev *dev) |
| 2648 | { |
| 2649 | return 1; /* Default to channel 1 */ |
| 2650 | } |
| 2651 | |
| 2652 | static void b43_gphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna) |
| 2653 | { |
| 2654 | struct b43_phy *phy = &dev->phy; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2655 | u16 tmp; |
| 2656 | int autodiv = 0; |
| 2657 | |
| 2658 | if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1) |
| 2659 | autodiv = 1; |
| 2660 | |
Gábor Stefanik | c206a39 | 2009-08-28 21:37:00 +0200 | [diff] [blame] | 2661 | b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ANTDIVHELP); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2662 | |
Gábor Stefanik | c206a39 | 2009-08-28 21:37:00 +0200 | [diff] [blame] | 2663 | b43_phy_maskset(dev, B43_PHY_BBANDCFG, ~B43_PHY_BBANDCFG_RXANT, |
| 2664 | (autodiv ? B43_ANTENNA_AUTO1 : antenna) << |
| 2665 | B43_PHY_BBANDCFG_RXANT_SHIFT); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2666 | |
| 2667 | if (autodiv) { |
| 2668 | tmp = b43_phy_read(dev, B43_PHY_ANTDWELL); |
Gábor Stefanik | c206a39 | 2009-08-28 21:37:00 +0200 | [diff] [blame] | 2669 | if (antenna == B43_ANTENNA_AUTO1) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2670 | tmp &= ~B43_PHY_ANTDWELL_AUTODIV1; |
| 2671 | else |
| 2672 | tmp |= B43_PHY_ANTDWELL_AUTODIV1; |
| 2673 | b43_phy_write(dev, B43_PHY_ANTDWELL, tmp); |
| 2674 | } |
Gábor Stefanik | c206a39 | 2009-08-28 21:37:00 +0200 | [diff] [blame] | 2675 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2676 | tmp = b43_phy_read(dev, B43_PHY_ANTWRSETT); |
| 2677 | if (autodiv) |
| 2678 | tmp |= B43_PHY_ANTWRSETT_ARXDIV; |
| 2679 | else |
| 2680 | tmp &= ~B43_PHY_ANTWRSETT_ARXDIV; |
| 2681 | b43_phy_write(dev, B43_PHY_ANTWRSETT, tmp); |
Gábor Stefanik | c206a39 | 2009-08-28 21:37:00 +0200 | [diff] [blame] | 2682 | |
| 2683 | if (autodiv) |
| 2684 | b43_phy_set(dev, B43_PHY_ANTWRSETT, B43_PHY_ANTWRSETT_ARXDIV); |
| 2685 | else { |
| 2686 | b43_phy_mask(dev, B43_PHY_ANTWRSETT, |
| 2687 | B43_PHY_ANTWRSETT_ARXDIV); |
| 2688 | } |
| 2689 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2690 | if (phy->rev >= 2) { |
Gábor Stefanik | c206a39 | 2009-08-28 21:37:00 +0200 | [diff] [blame] | 2691 | b43_phy_set(dev, B43_PHY_OFDM61, B43_PHY_OFDM61_10); |
| 2692 | b43_phy_maskset(dev, B43_PHY_DIVSRCHGAINBACK, 0xFF00, 0x15); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2693 | |
Gábor Stefanik | c206a39 | 2009-08-28 21:37:00 +0200 | [diff] [blame] | 2694 | if (phy->rev == 2) |
| 2695 | b43_phy_write(dev, B43_PHY_ADIVRELATED, 8); |
| 2696 | else |
| 2697 | b43_phy_maskset(dev, B43_PHY_ADIVRELATED, 0xFF00, 8); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2698 | } |
| 2699 | if (phy->rev >= 6) |
| 2700 | b43_phy_write(dev, B43_PHY_OFDM9B, 0xDC); |
| 2701 | |
Gábor Stefanik | c206a39 | 2009-08-28 21:37:00 +0200 | [diff] [blame] | 2702 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ANTDIVHELP); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2703 | } |
| 2704 | |
| 2705 | static int b43_gphy_op_interf_mitigation(struct b43_wldev *dev, |
| 2706 | enum b43_interference_mitigation mode) |
| 2707 | { |
| 2708 | struct b43_phy *phy = &dev->phy; |
| 2709 | struct b43_phy_g *gphy = phy->g; |
| 2710 | int currentmode; |
| 2711 | |
| 2712 | B43_WARN_ON(phy->type != B43_PHYTYPE_G); |
| 2713 | if ((phy->rev == 0) || (!phy->gmode)) |
| 2714 | return -ENODEV; |
| 2715 | |
| 2716 | gphy->aci_wlan_automatic = 0; |
| 2717 | switch (mode) { |
| 2718 | case B43_INTERFMODE_AUTOWLAN: |
| 2719 | gphy->aci_wlan_automatic = 1; |
| 2720 | if (gphy->aci_enable) |
| 2721 | mode = B43_INTERFMODE_MANUALWLAN; |
| 2722 | else |
| 2723 | mode = B43_INTERFMODE_NONE; |
| 2724 | break; |
| 2725 | case B43_INTERFMODE_NONE: |
| 2726 | case B43_INTERFMODE_NONWLAN: |
| 2727 | case B43_INTERFMODE_MANUALWLAN: |
| 2728 | break; |
| 2729 | default: |
| 2730 | return -EINVAL; |
| 2731 | } |
| 2732 | |
| 2733 | currentmode = gphy->interfmode; |
| 2734 | if (currentmode == mode) |
| 2735 | return 0; |
| 2736 | if (currentmode != B43_INTERFMODE_NONE) |
| 2737 | b43_radio_interference_mitigation_disable(dev, currentmode); |
| 2738 | |
| 2739 | if (mode == B43_INTERFMODE_NONE) { |
| 2740 | gphy->aci_enable = 0; |
| 2741 | gphy->aci_hw_rssi = 0; |
| 2742 | } else |
| 2743 | b43_radio_interference_mitigation_enable(dev, mode); |
| 2744 | gphy->interfmode = mode; |
| 2745 | |
| 2746 | return 0; |
| 2747 | } |
| 2748 | |
| 2749 | /* http://bcm-specs.sipsolutions.net/EstimatePowerOut |
| 2750 | * This function converts a TSSI value to dBm in Q5.2 |
| 2751 | */ |
| 2752 | static s8 b43_gphy_estimate_power_out(struct b43_wldev *dev, s8 tssi) |
| 2753 | { |
| 2754 | struct b43_phy_g *gphy = dev->phy.g; |
| 2755 | s8 dbm; |
| 2756 | s32 tmp; |
| 2757 | |
| 2758 | tmp = (gphy->tgt_idle_tssi - gphy->cur_idle_tssi + tssi); |
| 2759 | tmp = clamp_val(tmp, 0x00, 0x3F); |
| 2760 | dbm = gphy->tssi2dbm[tmp]; |
| 2761 | |
| 2762 | return dbm; |
| 2763 | } |
| 2764 | |
| 2765 | static void b43_put_attenuation_into_ranges(struct b43_wldev *dev, |
| 2766 | int *_bbatt, int *_rfatt) |
| 2767 | { |
| 2768 | int rfatt = *_rfatt; |
| 2769 | int bbatt = *_bbatt; |
| 2770 | struct b43_txpower_lo_control *lo = dev->phy.g->lo_control; |
| 2771 | |
| 2772 | /* Get baseband and radio attenuation values into their permitted ranges. |
| 2773 | * Radio attenuation affects power level 4 times as much as baseband. */ |
| 2774 | |
| 2775 | /* Range constants */ |
| 2776 | const int rf_min = lo->rfatt_list.min_val; |
| 2777 | const int rf_max = lo->rfatt_list.max_val; |
| 2778 | const int bb_min = lo->bbatt_list.min_val; |
| 2779 | const int bb_max = lo->bbatt_list.max_val; |
| 2780 | |
| 2781 | while (1) { |
| 2782 | if (rfatt > rf_max && bbatt > bb_max - 4) |
| 2783 | break; /* Can not get it into ranges */ |
| 2784 | if (rfatt < rf_min && bbatt < bb_min + 4) |
| 2785 | break; /* Can not get it into ranges */ |
| 2786 | if (bbatt > bb_max && rfatt > rf_max - 1) |
| 2787 | break; /* Can not get it into ranges */ |
| 2788 | if (bbatt < bb_min && rfatt < rf_min + 1) |
| 2789 | break; /* Can not get it into ranges */ |
| 2790 | |
| 2791 | if (bbatt > bb_max) { |
| 2792 | bbatt -= 4; |
| 2793 | rfatt += 1; |
| 2794 | continue; |
| 2795 | } |
| 2796 | if (bbatt < bb_min) { |
| 2797 | bbatt += 4; |
| 2798 | rfatt -= 1; |
| 2799 | continue; |
| 2800 | } |
| 2801 | if (rfatt > rf_max) { |
| 2802 | rfatt -= 1; |
| 2803 | bbatt += 4; |
| 2804 | continue; |
| 2805 | } |
| 2806 | if (rfatt < rf_min) { |
| 2807 | rfatt += 1; |
| 2808 | bbatt -= 4; |
| 2809 | continue; |
| 2810 | } |
| 2811 | break; |
| 2812 | } |
| 2813 | |
| 2814 | *_rfatt = clamp_val(rfatt, rf_min, rf_max); |
| 2815 | *_bbatt = clamp_val(bbatt, bb_min, bb_max); |
| 2816 | } |
| 2817 | |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 2818 | static void b43_gphy_op_adjust_txpower(struct b43_wldev *dev) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2819 | { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2820 | struct b43_phy *phy = &dev->phy; |
| 2821 | struct b43_phy_g *gphy = phy->g; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2822 | int rfatt, bbatt; |
| 2823 | u8 tx_control; |
| 2824 | |
Michael Buesch | d10d0e5 | 2008-12-18 22:13:39 +0100 | [diff] [blame] | 2825 | b43_mac_suspend(dev); |
| 2826 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2827 | /* Calculate the new attenuation values. */ |
| 2828 | bbatt = gphy->bbatt.att; |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 2829 | bbatt += gphy->bbatt_delta; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2830 | rfatt = gphy->rfatt.att; |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 2831 | rfatt += gphy->rfatt_delta; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2832 | |
| 2833 | b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt); |
| 2834 | tx_control = gphy->tx_control; |
| 2835 | if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 2)) { |
| 2836 | if (rfatt <= 1) { |
| 2837 | if (tx_control == 0) { |
| 2838 | tx_control = |
| 2839 | B43_TXCTL_PA2DB | |
| 2840 | B43_TXCTL_TXMIX; |
| 2841 | rfatt += 2; |
| 2842 | bbatt += 2; |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame^] | 2843 | } else if (dev->dev->bus_sprom-> |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2844 | boardflags_lo & |
| 2845 | B43_BFL_PACTRL) { |
| 2846 | bbatt += 4 * (rfatt - 2); |
| 2847 | rfatt = 2; |
| 2848 | } |
| 2849 | } else if (rfatt > 4 && tx_control) { |
| 2850 | tx_control = 0; |
| 2851 | if (bbatt < 3) { |
| 2852 | rfatt -= 3; |
| 2853 | bbatt += 2; |
| 2854 | } else { |
| 2855 | rfatt -= 2; |
| 2856 | bbatt -= 2; |
| 2857 | } |
| 2858 | } |
| 2859 | } |
| 2860 | /* Save the control values */ |
| 2861 | gphy->tx_control = tx_control; |
| 2862 | b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt); |
| 2863 | gphy->rfatt.att = rfatt; |
| 2864 | gphy->bbatt.att = bbatt; |
| 2865 | |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 2866 | if (b43_debug(dev, B43_DBG_XMITPOWER)) |
| 2867 | b43dbg(dev->wl, "Adjusting TX power\n"); |
| 2868 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2869 | /* Adjust the hardware */ |
| 2870 | b43_phy_lock(dev); |
| 2871 | b43_radio_lock(dev); |
| 2872 | b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, |
| 2873 | gphy->tx_control); |
| 2874 | b43_radio_unlock(dev); |
| 2875 | b43_phy_unlock(dev); |
Michael Buesch | d10d0e5 | 2008-12-18 22:13:39 +0100 | [diff] [blame] | 2876 | |
| 2877 | b43_mac_enable(dev); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2878 | } |
| 2879 | |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 2880 | static enum b43_txpwr_result b43_gphy_op_recalc_txpower(struct b43_wldev *dev, |
| 2881 | bool ignore_tssi) |
| 2882 | { |
| 2883 | struct b43_phy *phy = &dev->phy; |
| 2884 | struct b43_phy_g *gphy = phy->g; |
| 2885 | unsigned int average_tssi; |
| 2886 | int cck_result, ofdm_result; |
| 2887 | int estimated_pwr, desired_pwr, pwr_adjust; |
| 2888 | int rfatt_delta, bbatt_delta; |
| 2889 | unsigned int max_pwr; |
| 2890 | |
| 2891 | /* First get the average TSSI */ |
| 2892 | cck_result = b43_phy_shm_tssi_read(dev, B43_SHM_SH_TSSI_CCK); |
| 2893 | ofdm_result = b43_phy_shm_tssi_read(dev, B43_SHM_SH_TSSI_OFDM_G); |
| 2894 | if ((cck_result < 0) && (ofdm_result < 0)) { |
| 2895 | /* No TSSI information available */ |
| 2896 | if (!ignore_tssi) |
| 2897 | goto no_adjustment_needed; |
| 2898 | cck_result = 0; |
| 2899 | ofdm_result = 0; |
| 2900 | } |
| 2901 | if (cck_result < 0) |
| 2902 | average_tssi = ofdm_result; |
| 2903 | else if (ofdm_result < 0) |
| 2904 | average_tssi = cck_result; |
| 2905 | else |
| 2906 | average_tssi = (cck_result + ofdm_result) / 2; |
| 2907 | /* Merge the average with the stored value. */ |
| 2908 | if (likely(gphy->average_tssi != 0xFF)) |
| 2909 | average_tssi = (average_tssi + gphy->average_tssi) / 2; |
| 2910 | gphy->average_tssi = average_tssi; |
| 2911 | B43_WARN_ON(average_tssi >= B43_TSSI_MAX); |
| 2912 | |
| 2913 | /* Estimate the TX power emission based on the TSSI */ |
| 2914 | estimated_pwr = b43_gphy_estimate_power_out(dev, average_tssi); |
| 2915 | |
| 2916 | B43_WARN_ON(phy->type != B43_PHYTYPE_G); |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame^] | 2917 | max_pwr = dev->dev->bus_sprom->maxpwr_bg; |
| 2918 | if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL) |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 2919 | max_pwr -= 3; /* minus 0.75 */ |
| 2920 | if (unlikely(max_pwr >= INT_TO_Q52(30/*dBm*/))) { |
| 2921 | b43warn(dev->wl, |
| 2922 | "Invalid max-TX-power value in SPROM.\n"); |
| 2923 | max_pwr = INT_TO_Q52(20); /* fake it */ |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame^] | 2924 | dev->dev->bus_sprom->maxpwr_bg = max_pwr; |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 2925 | } |
| 2926 | |
| 2927 | /* Get desired power (in Q5.2) */ |
| 2928 | if (phy->desired_txpower < 0) |
| 2929 | desired_pwr = INT_TO_Q52(0); |
| 2930 | else |
| 2931 | desired_pwr = INT_TO_Q52(phy->desired_txpower); |
| 2932 | /* And limit it. max_pwr already is Q5.2 */ |
| 2933 | desired_pwr = clamp_val(desired_pwr, 0, max_pwr); |
| 2934 | if (b43_debug(dev, B43_DBG_XMITPOWER)) { |
| 2935 | b43dbg(dev->wl, |
| 2936 | "[TX power] current = " Q52_FMT |
| 2937 | " dBm, desired = " Q52_FMT |
| 2938 | " dBm, max = " Q52_FMT "\n", |
| 2939 | Q52_ARG(estimated_pwr), |
| 2940 | Q52_ARG(desired_pwr), |
| 2941 | Q52_ARG(max_pwr)); |
| 2942 | } |
| 2943 | |
| 2944 | /* Calculate the adjustment delta. */ |
| 2945 | pwr_adjust = desired_pwr - estimated_pwr; |
| 2946 | if (pwr_adjust == 0) |
| 2947 | goto no_adjustment_needed; |
| 2948 | |
| 2949 | /* RF attenuation delta. */ |
| 2950 | rfatt_delta = ((pwr_adjust + 7) / 8); |
| 2951 | /* Lower attenuation => Bigger power output. Negate it. */ |
| 2952 | rfatt_delta = -rfatt_delta; |
| 2953 | |
| 2954 | /* Baseband attenuation delta. */ |
| 2955 | bbatt_delta = pwr_adjust / 2; |
| 2956 | /* Lower attenuation => Bigger power output. Negate it. */ |
| 2957 | bbatt_delta = -bbatt_delta; |
| 2958 | /* RF att affects power level 4 times as much as |
| 2959 | * Baseband attennuation. Subtract it. */ |
| 2960 | bbatt_delta -= 4 * rfatt_delta; |
| 2961 | |
Michael Buesch | dff8ccd | 2009-01-24 22:36:57 +0100 | [diff] [blame] | 2962 | #if B43_DEBUG |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 2963 | if (b43_debug(dev, B43_DBG_XMITPOWER)) { |
| 2964 | int dbm = pwr_adjust < 0 ? -pwr_adjust : pwr_adjust; |
| 2965 | b43dbg(dev->wl, |
| 2966 | "[TX power deltas] %s" Q52_FMT " dBm => " |
| 2967 | "bbatt-delta = %d, rfatt-delta = %d\n", |
| 2968 | (pwr_adjust < 0 ? "-" : ""), Q52_ARG(dbm), |
| 2969 | bbatt_delta, rfatt_delta); |
| 2970 | } |
Michael Buesch | dff8ccd | 2009-01-24 22:36:57 +0100 | [diff] [blame] | 2971 | #endif /* DEBUG */ |
| 2972 | |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 2973 | /* So do we finally need to adjust something in hardware? */ |
| 2974 | if ((rfatt_delta == 0) && (bbatt_delta == 0)) |
| 2975 | goto no_adjustment_needed; |
| 2976 | |
| 2977 | /* Save the deltas for later when we adjust the power. */ |
| 2978 | gphy->bbatt_delta = bbatt_delta; |
| 2979 | gphy->rfatt_delta = rfatt_delta; |
| 2980 | |
| 2981 | /* We need to adjust the TX power on the device. */ |
| 2982 | return B43_TXPWR_RES_NEED_ADJUST; |
| 2983 | |
| 2984 | no_adjustment_needed: |
| 2985 | return B43_TXPWR_RES_DONE; |
| 2986 | } |
| 2987 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2988 | static void b43_gphy_op_pwork_15sec(struct b43_wldev *dev) |
| 2989 | { |
| 2990 | struct b43_phy *phy = &dev->phy; |
| 2991 | struct b43_phy_g *gphy = phy->g; |
| 2992 | |
Michael Buesch | d10d0e5 | 2008-12-18 22:13:39 +0100 | [diff] [blame] | 2993 | b43_mac_suspend(dev); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2994 | //TODO: update_aci_moving_average |
| 2995 | if (gphy->aci_enable && gphy->aci_wlan_automatic) { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2996 | if (!gphy->aci_enable && 1 /*TODO: not scanning? */ ) { |
| 2997 | if (0 /*TODO: bunch of conditions */ ) { |
| 2998 | phy->ops->interf_mitigation(dev, |
| 2999 | B43_INTERFMODE_MANUALWLAN); |
| 3000 | } |
| 3001 | } else if (0 /*TODO*/) { |
| 3002 | if (/*(aci_average > 1000) &&*/ !b43_gphy_aci_scan(dev)) |
| 3003 | phy->ops->interf_mitigation(dev, B43_INTERFMODE_NONE); |
| 3004 | } |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3005 | } else if (gphy->interfmode == B43_INTERFMODE_NONWLAN && |
| 3006 | phy->rev == 1) { |
| 3007 | //TODO: implement rev1 workaround |
| 3008 | } |
| 3009 | b43_lo_g_maintanance_work(dev); |
Michael Buesch | d10d0e5 | 2008-12-18 22:13:39 +0100 | [diff] [blame] | 3010 | b43_mac_enable(dev); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3011 | } |
| 3012 | |
| 3013 | static void b43_gphy_op_pwork_60sec(struct b43_wldev *dev) |
| 3014 | { |
| 3015 | struct b43_phy *phy = &dev->phy; |
| 3016 | |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame^] | 3017 | if (!(dev->dev->bus_sprom->boardflags_lo & B43_BFL_RSSI)) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3018 | return; |
| 3019 | |
| 3020 | b43_mac_suspend(dev); |
| 3021 | b43_calc_nrssi_slope(dev); |
| 3022 | if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 8)) { |
| 3023 | u8 old_chan = phy->channel; |
| 3024 | |
| 3025 | /* VCO Calibration */ |
| 3026 | if (old_chan >= 8) |
| 3027 | b43_switch_channel(dev, 1); |
| 3028 | else |
| 3029 | b43_switch_channel(dev, 13); |
| 3030 | b43_switch_channel(dev, old_chan); |
| 3031 | } |
| 3032 | b43_mac_enable(dev); |
| 3033 | } |
| 3034 | |
| 3035 | const struct b43_phy_operations b43_phyops_g = { |
| 3036 | .allocate = b43_gphy_op_allocate, |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 3037 | .free = b43_gphy_op_free, |
| 3038 | .prepare_structs = b43_gphy_op_prepare_structs, |
| 3039 | .prepare_hardware = b43_gphy_op_prepare_hardware, |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3040 | .init = b43_gphy_op_init, |
| 3041 | .exit = b43_gphy_op_exit, |
| 3042 | .phy_read = b43_gphy_op_read, |
| 3043 | .phy_write = b43_gphy_op_write, |
| 3044 | .radio_read = b43_gphy_op_radio_read, |
| 3045 | .radio_write = b43_gphy_op_radio_write, |
| 3046 | .supports_hwpctl = b43_gphy_op_supports_hwpctl, |
| 3047 | .software_rfkill = b43_gphy_op_software_rfkill, |
Michael Buesch | cb24f57 | 2008-09-03 12:12:20 +0200 | [diff] [blame] | 3048 | .switch_analog = b43_phyop_switch_analog_generic, |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3049 | .switch_channel = b43_gphy_op_switch_channel, |
| 3050 | .get_default_chan = b43_gphy_op_get_default_chan, |
| 3051 | .set_rx_antenna = b43_gphy_op_set_rx_antenna, |
| 3052 | .interf_mitigation = b43_gphy_op_interf_mitigation, |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 3053 | .recalc_txpower = b43_gphy_op_recalc_txpower, |
| 3054 | .adjust_txpower = b43_gphy_op_adjust_txpower, |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3055 | .pwork_15sec = b43_gphy_op_pwork_15sec, |
| 3056 | .pwork_60sec = b43_gphy_op_pwork_60sec, |
| 3057 | }; |