Larry Finger | 75388ac | 2007-09-25 16:46:54 -0700 | [diff] [blame^] | 1 | /* |
| 2 | |
| 3 | Broadcom B43legacy wireless driver |
| 4 | |
| 5 | Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, |
| 6 | Stefano Brivio <st3@riseup.net> |
| 7 | Michael Buesch <mbuesch@freenet.de> |
| 8 | Danny van Dyk <kugelfang@gentoo.org> |
| 9 | Andreas Jaggi <andreas.jaggi@waterwave.ch> |
| 10 | Copyright (c) 2007 Larry Finger <Larry.Finger@lwfinger.net> |
| 11 | |
| 12 | Some parts of the code in this file are derived from the ipw2200 |
| 13 | driver Copyright(c) 2003 - 2004 Intel Corporation. |
| 14 | |
| 15 | This program is free software; you can redistribute it and/or modify |
| 16 | it under the terms of the GNU General Public License as published by |
| 17 | the Free Software Foundation; either version 2 of the License, or |
| 18 | (at your option) any later version. |
| 19 | |
| 20 | This program is distributed in the hope that it will be useful, |
| 21 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 23 | GNU General Public License for more details. |
| 24 | |
| 25 | You should have received a copy of the GNU General Public License |
| 26 | along with this program; see the file COPYING. If not, write to |
| 27 | the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, |
| 28 | Boston, MA 02110-1301, USA. |
| 29 | |
| 30 | */ |
| 31 | |
| 32 | #include <linux/delay.h> |
| 33 | #include <linux/pci.h> |
| 34 | #include <linux/types.h> |
| 35 | |
| 36 | #include "b43legacy.h" |
| 37 | #include "phy.h" |
| 38 | #include "main.h" |
| 39 | #include "radio.h" |
| 40 | #include "ilt.h" |
| 41 | |
| 42 | |
| 43 | static const s8 b43legacy_tssi2dbm_b_table[] = { |
| 44 | 0x4D, 0x4C, 0x4B, 0x4A, |
| 45 | 0x4A, 0x49, 0x48, 0x47, |
| 46 | 0x47, 0x46, 0x45, 0x45, |
| 47 | 0x44, 0x43, 0x42, 0x42, |
| 48 | 0x41, 0x40, 0x3F, 0x3E, |
| 49 | 0x3D, 0x3C, 0x3B, 0x3A, |
| 50 | 0x39, 0x38, 0x37, 0x36, |
| 51 | 0x35, 0x34, 0x32, 0x31, |
| 52 | 0x30, 0x2F, 0x2D, 0x2C, |
| 53 | 0x2B, 0x29, 0x28, 0x26, |
| 54 | 0x25, 0x23, 0x21, 0x1F, |
| 55 | 0x1D, 0x1A, 0x17, 0x14, |
| 56 | 0x10, 0x0C, 0x06, 0x00, |
| 57 | -7, -7, -7, -7, |
| 58 | -7, -7, -7, -7, |
| 59 | -7, -7, -7, -7, |
| 60 | }; |
| 61 | |
| 62 | static const s8 b43legacy_tssi2dbm_g_table[] = { |
| 63 | 77, 77, 77, 76, |
| 64 | 76, 76, 75, 75, |
| 65 | 74, 74, 73, 73, |
| 66 | 73, 72, 72, 71, |
| 67 | 71, 70, 70, 69, |
| 68 | 68, 68, 67, 67, |
| 69 | 66, 65, 65, 64, |
| 70 | 63, 63, 62, 61, |
| 71 | 60, 59, 58, 57, |
| 72 | 56, 55, 54, 53, |
| 73 | 52, 50, 49, 47, |
| 74 | 45, 43, 40, 37, |
| 75 | 33, 28, 22, 14, |
| 76 | 5, -7, -20, -20, |
| 77 | -20, -20, -20, -20, |
| 78 | -20, -20, -20, -20, |
| 79 | }; |
| 80 | |
| 81 | static void b43legacy_phy_initg(struct b43legacy_wldev *dev); |
| 82 | |
| 83 | |
| 84 | static inline |
| 85 | void b43legacy_voluntary_preempt(void) |
| 86 | { |
| 87 | B43legacy_BUG_ON(!(!in_atomic() && !in_irq() && |
| 88 | !in_interrupt() && !irqs_disabled())); |
| 89 | #ifndef CONFIG_PREEMPT |
| 90 | cond_resched(); |
| 91 | #endif /* CONFIG_PREEMPT */ |
| 92 | } |
| 93 | |
| 94 | void b43legacy_raw_phy_lock(struct b43legacy_wldev *dev) |
| 95 | { |
| 96 | struct b43legacy_phy *phy = &dev->phy; |
| 97 | |
| 98 | B43legacy_WARN_ON(!irqs_disabled()); |
| 99 | if (b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD) == 0) { |
| 100 | phy->locked = 0; |
| 101 | return; |
| 102 | } |
| 103 | if (dev->dev->id.revision < 3) { |
| 104 | b43legacy_mac_suspend(dev); |
| 105 | spin_lock(&phy->lock); |
| 106 | } else { |
| 107 | if (!b43legacy_is_mode(dev->wl, IEEE80211_IF_TYPE_AP)) |
| 108 | b43legacy_power_saving_ctl_bits(dev, -1, 1); |
| 109 | } |
| 110 | phy->locked = 1; |
| 111 | } |
| 112 | |
| 113 | void b43legacy_raw_phy_unlock(struct b43legacy_wldev *dev) |
| 114 | { |
| 115 | struct b43legacy_phy *phy = &dev->phy; |
| 116 | |
| 117 | B43legacy_WARN_ON(!irqs_disabled()); |
| 118 | if (dev->dev->id.revision < 3) { |
| 119 | if (phy->locked) { |
| 120 | spin_unlock(&phy->lock); |
| 121 | b43legacy_mac_enable(dev); |
| 122 | } |
| 123 | } else { |
| 124 | if (!b43legacy_is_mode(dev->wl, IEEE80211_IF_TYPE_AP)) |
| 125 | b43legacy_power_saving_ctl_bits(dev, -1, -1); |
| 126 | } |
| 127 | phy->locked = 0; |
| 128 | } |
| 129 | |
| 130 | u16 b43legacy_phy_read(struct b43legacy_wldev *dev, u16 offset) |
| 131 | { |
| 132 | b43legacy_write16(dev, B43legacy_MMIO_PHY_CONTROL, offset); |
| 133 | return b43legacy_read16(dev, B43legacy_MMIO_PHY_DATA); |
| 134 | } |
| 135 | |
| 136 | void b43legacy_phy_write(struct b43legacy_wldev *dev, u16 offset, u16 val) |
| 137 | { |
| 138 | b43legacy_write16(dev, B43legacy_MMIO_PHY_CONTROL, offset); |
| 139 | mmiowb(); |
| 140 | b43legacy_write16(dev, B43legacy_MMIO_PHY_DATA, val); |
| 141 | } |
| 142 | |
| 143 | void b43legacy_phy_calibrate(struct b43legacy_wldev *dev) |
| 144 | { |
| 145 | struct b43legacy_phy *phy = &dev->phy; |
| 146 | |
| 147 | b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); /* Dummy read. */ |
| 148 | if (phy->calibrated) |
| 149 | return; |
| 150 | if (phy->type == B43legacy_PHYTYPE_G && phy->rev == 1) { |
| 151 | b43legacy_wireless_core_reset(dev, 0); |
| 152 | b43legacy_phy_initg(dev); |
| 153 | b43legacy_wireless_core_reset(dev, B43legacy_TMSLOW_GMODE); |
| 154 | } |
| 155 | phy->calibrated = 1; |
| 156 | } |
| 157 | |
| 158 | /* intialize B PHY power control |
| 159 | * as described in http://bcm-specs.sipsolutions.net/InitPowerControl |
| 160 | */ |
| 161 | static void b43legacy_phy_init_pctl(struct b43legacy_wldev *dev) |
| 162 | { |
| 163 | struct b43legacy_phy *phy = &dev->phy; |
| 164 | u16 saved_batt = 0; |
| 165 | u16 saved_ratt = 0; |
| 166 | u16 saved_txctl1 = 0; |
| 167 | int must_reset_txpower = 0; |
| 168 | |
| 169 | B43legacy_BUG_ON(!(phy->type == B43legacy_PHYTYPE_B || |
| 170 | phy->type == B43legacy_PHYTYPE_G)); |
| 171 | if (is_bcm_board_vendor(dev) && |
| 172 | (dev->dev->bus->boardinfo.type == 0x0416)) |
| 173 | return; |
| 174 | |
| 175 | b43legacy_phy_write(dev, 0x0028, 0x8018); |
| 176 | b43legacy_write16(dev, 0x03E6, b43legacy_read16(dev, 0x03E6) & 0xFFDF); |
| 177 | |
| 178 | if (phy->type == B43legacy_PHYTYPE_G) { |
| 179 | if (!phy->gmode) |
| 180 | return; |
| 181 | b43legacy_phy_write(dev, 0x047A, 0xC111); |
| 182 | } |
| 183 | if (phy->savedpctlreg != 0xFFFF) |
| 184 | return; |
| 185 | #ifdef CONFIG_B43LEGACY_DEBUG |
| 186 | if (phy->manual_txpower_control) |
| 187 | return; |
| 188 | #endif |
| 189 | |
| 190 | if (phy->type == B43legacy_PHYTYPE_B && |
| 191 | phy->rev >= 2 && |
| 192 | phy->radio_ver == 0x2050) |
| 193 | b43legacy_radio_write16(dev, 0x0076, |
| 194 | b43legacy_radio_read16(dev, 0x0076) |
| 195 | | 0x0084); |
| 196 | else { |
| 197 | saved_batt = phy->bbatt; |
| 198 | saved_ratt = phy->rfatt; |
| 199 | saved_txctl1 = phy->txctl1; |
| 200 | if ((phy->radio_rev >= 6) && (phy->radio_rev <= 8) |
| 201 | && /*FIXME: incomplete specs for 5 < revision < 9 */ 0) |
| 202 | b43legacy_radio_set_txpower_bg(dev, 0xB, 0x1F, 0); |
| 203 | else |
| 204 | b43legacy_radio_set_txpower_bg(dev, 0xB, 9, 0); |
| 205 | must_reset_txpower = 1; |
| 206 | } |
| 207 | b43legacy_dummy_transmission(dev); |
| 208 | |
| 209 | phy->savedpctlreg = b43legacy_phy_read(dev, B43legacy_PHY_G_PCTL); |
| 210 | |
| 211 | if (must_reset_txpower) |
| 212 | b43legacy_radio_set_txpower_bg(dev, saved_batt, saved_ratt, |
| 213 | saved_txctl1); |
| 214 | else |
| 215 | b43legacy_radio_write16(dev, 0x0076, b43legacy_radio_read16(dev, |
| 216 | 0x0076) & 0xFF7B); |
| 217 | b43legacy_radio_clear_tssi(dev); |
| 218 | } |
| 219 | |
| 220 | static void b43legacy_phy_agcsetup(struct b43legacy_wldev *dev) |
| 221 | { |
| 222 | struct b43legacy_phy *phy = &dev->phy; |
| 223 | u16 offset = 0x0000; |
| 224 | |
| 225 | if (phy->rev == 1) |
| 226 | offset = 0x4C00; |
| 227 | |
| 228 | b43legacy_ilt_write(dev, offset, 0x00FE); |
| 229 | b43legacy_ilt_write(dev, offset + 1, 0x000D); |
| 230 | b43legacy_ilt_write(dev, offset + 2, 0x0013); |
| 231 | b43legacy_ilt_write(dev, offset + 3, 0x0019); |
| 232 | |
| 233 | if (phy->rev == 1) { |
| 234 | b43legacy_ilt_write(dev, 0x1800, 0x2710); |
| 235 | b43legacy_ilt_write(dev, 0x1801, 0x9B83); |
| 236 | b43legacy_ilt_write(dev, 0x1802, 0x9B83); |
| 237 | b43legacy_ilt_write(dev, 0x1803, 0x0F8D); |
| 238 | b43legacy_phy_write(dev, 0x0455, 0x0004); |
| 239 | } |
| 240 | |
| 241 | b43legacy_phy_write(dev, 0x04A5, (b43legacy_phy_read(dev, 0x04A5) |
| 242 | & 0x00FF) | 0x5700); |
| 243 | b43legacy_phy_write(dev, 0x041A, (b43legacy_phy_read(dev, 0x041A) |
| 244 | & 0xFF80) | 0x000F); |
| 245 | b43legacy_phy_write(dev, 0x041A, (b43legacy_phy_read(dev, 0x041A) |
| 246 | & 0xC07F) | 0x2B80); |
| 247 | b43legacy_phy_write(dev, 0x048C, (b43legacy_phy_read(dev, 0x048C) |
| 248 | & 0xF0FF) | 0x0300); |
| 249 | |
| 250 | b43legacy_radio_write16(dev, 0x007A, |
| 251 | b43legacy_radio_read16(dev, 0x007A) |
| 252 | | 0x0008); |
| 253 | |
| 254 | b43legacy_phy_write(dev, 0x04A0, (b43legacy_phy_read(dev, 0x04A0) |
| 255 | & 0xFFF0) | 0x0008); |
| 256 | b43legacy_phy_write(dev, 0x04A1, (b43legacy_phy_read(dev, 0x04A1) |
| 257 | & 0xF0FF) | 0x0600); |
| 258 | b43legacy_phy_write(dev, 0x04A2, (b43legacy_phy_read(dev, 0x04A2) |
| 259 | & 0xF0FF) | 0x0700); |
| 260 | b43legacy_phy_write(dev, 0x04A0, (b43legacy_phy_read(dev, 0x04A0) |
| 261 | & 0xF0FF) | 0x0100); |
| 262 | |
| 263 | if (phy->rev == 1) |
| 264 | b43legacy_phy_write(dev, 0x04A2, |
| 265 | (b43legacy_phy_read(dev, 0x04A2) |
| 266 | & 0xFFF0) | 0x0007); |
| 267 | |
| 268 | b43legacy_phy_write(dev, 0x0488, (b43legacy_phy_read(dev, 0x0488) |
| 269 | & 0xFF00) | 0x001C); |
| 270 | b43legacy_phy_write(dev, 0x0488, (b43legacy_phy_read(dev, 0x0488) |
| 271 | & 0xC0FF) | 0x0200); |
| 272 | b43legacy_phy_write(dev, 0x0496, (b43legacy_phy_read(dev, 0x0496) |
| 273 | & 0xFF00) | 0x001C); |
| 274 | b43legacy_phy_write(dev, 0x0489, (b43legacy_phy_read(dev, 0x0489) |
| 275 | & 0xFF00) | 0x0020); |
| 276 | b43legacy_phy_write(dev, 0x0489, (b43legacy_phy_read(dev, 0x0489) |
| 277 | & 0xC0FF) | 0x0200); |
| 278 | b43legacy_phy_write(dev, 0x0482, (b43legacy_phy_read(dev, 0x0482) |
| 279 | & 0xFF00) | 0x002E); |
| 280 | b43legacy_phy_write(dev, 0x0496, (b43legacy_phy_read(dev, 0x0496) |
| 281 | & 0x00FF) | 0x1A00); |
| 282 | b43legacy_phy_write(dev, 0x0481, (b43legacy_phy_read(dev, 0x0481) |
| 283 | & 0xFF00) | 0x0028); |
| 284 | b43legacy_phy_write(dev, 0x0481, (b43legacy_phy_read(dev, 0x0481) |
| 285 | & 0x00FF) | 0x2C00); |
| 286 | |
| 287 | if (phy->rev == 1) { |
| 288 | b43legacy_phy_write(dev, 0x0430, 0x092B); |
| 289 | b43legacy_phy_write(dev, 0x041B, |
| 290 | (b43legacy_phy_read(dev, 0x041B) |
| 291 | & 0xFFE1) | 0x0002); |
| 292 | } else { |
| 293 | b43legacy_phy_write(dev, 0x041B, |
| 294 | b43legacy_phy_read(dev, 0x041B) & 0xFFE1); |
| 295 | b43legacy_phy_write(dev, 0x041F, 0x287A); |
| 296 | b43legacy_phy_write(dev, 0x0420, |
| 297 | (b43legacy_phy_read(dev, 0x0420) |
| 298 | & 0xFFF0) | 0x0004); |
| 299 | } |
| 300 | |
| 301 | if (phy->rev > 2) { |
| 302 | b43legacy_phy_write(dev, 0x0422, 0x287A); |
| 303 | b43legacy_phy_write(dev, 0x0420, |
| 304 | (b43legacy_phy_read(dev, 0x0420) |
| 305 | & 0x0FFF) | 0x3000); |
| 306 | } |
| 307 | |
| 308 | b43legacy_phy_write(dev, 0x04A8, (b43legacy_phy_read(dev, 0x04A8) |
| 309 | & 0x8080) | 0x7874); |
| 310 | b43legacy_phy_write(dev, 0x048E, 0x1C00); |
| 311 | |
| 312 | if (phy->rev == 1) { |
| 313 | b43legacy_phy_write(dev, 0x04AB, |
| 314 | (b43legacy_phy_read(dev, 0x04AB) |
| 315 | & 0xF0FF) | 0x0600); |
| 316 | b43legacy_phy_write(dev, 0x048B, 0x005E); |
| 317 | b43legacy_phy_write(dev, 0x048C, |
| 318 | (b43legacy_phy_read(dev, 0x048C) & 0xFF00) |
| 319 | | 0x001E); |
| 320 | b43legacy_phy_write(dev, 0x048D, 0x0002); |
| 321 | } |
| 322 | |
| 323 | b43legacy_ilt_write(dev, offset + 0x0800, 0); |
| 324 | b43legacy_ilt_write(dev, offset + 0x0801, 7); |
| 325 | b43legacy_ilt_write(dev, offset + 0x0802, 16); |
| 326 | b43legacy_ilt_write(dev, offset + 0x0803, 28); |
| 327 | |
| 328 | if (phy->rev >= 6) { |
| 329 | b43legacy_phy_write(dev, 0x0426, |
| 330 | (b43legacy_phy_read(dev, 0x0426) & 0xFFFC)); |
| 331 | b43legacy_phy_write(dev, 0x0426, |
| 332 | (b43legacy_phy_read(dev, 0x0426) & 0xEFFF)); |
| 333 | } |
| 334 | } |
| 335 | |
| 336 | static void b43legacy_phy_setupg(struct b43legacy_wldev *dev) |
| 337 | { |
| 338 | struct b43legacy_phy *phy = &dev->phy; |
| 339 | u16 i; |
| 340 | |
| 341 | B43legacy_BUG_ON(phy->type != B43legacy_PHYTYPE_G); |
| 342 | if (phy->rev == 1) { |
| 343 | b43legacy_phy_write(dev, 0x0406, 0x4F19); |
| 344 | b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, |
| 345 | (b43legacy_phy_read(dev, |
| 346 | B43legacy_PHY_G_CRS) & 0xFC3F) | 0x0340); |
| 347 | b43legacy_phy_write(dev, 0x042C, 0x005A); |
| 348 | b43legacy_phy_write(dev, 0x0427, 0x001A); |
| 349 | |
| 350 | for (i = 0; i < B43legacy_ILT_FINEFREQG_SIZE; i++) |
| 351 | b43legacy_ilt_write(dev, 0x5800 + i, |
| 352 | b43legacy_ilt_finefreqg[i]); |
| 353 | for (i = 0; i < B43legacy_ILT_NOISEG1_SIZE; i++) |
| 354 | b43legacy_ilt_write(dev, 0x1800 + i, |
| 355 | b43legacy_ilt_noiseg1[i]); |
| 356 | for (i = 0; i < B43legacy_ILT_ROTOR_SIZE; i++) |
| 357 | b43legacy_ilt_write32(dev, 0x2000 + i, |
| 358 | b43legacy_ilt_rotor[i]); |
| 359 | } else { |
| 360 | /* nrssi values are signed 6-bit values. Why 0x7654 here? */ |
| 361 | b43legacy_nrssi_hw_write(dev, 0xBA98, (s16)0x7654); |
| 362 | |
| 363 | if (phy->rev == 2) { |
| 364 | b43legacy_phy_write(dev, 0x04C0, 0x1861); |
| 365 | b43legacy_phy_write(dev, 0x04C1, 0x0271); |
| 366 | } else if (phy->rev > 2) { |
| 367 | b43legacy_phy_write(dev, 0x04C0, 0x0098); |
| 368 | b43legacy_phy_write(dev, 0x04C1, 0x0070); |
| 369 | b43legacy_phy_write(dev, 0x04C9, 0x0080); |
| 370 | } |
| 371 | b43legacy_phy_write(dev, 0x042B, b43legacy_phy_read(dev, |
| 372 | 0x042B) | 0x800); |
| 373 | |
| 374 | for (i = 0; i < 64; i++) |
| 375 | b43legacy_ilt_write(dev, 0x4000 + i, i); |
| 376 | for (i = 0; i < B43legacy_ILT_NOISEG2_SIZE; i++) |
| 377 | b43legacy_ilt_write(dev, 0x1800 + i, |
| 378 | b43legacy_ilt_noiseg2[i]); |
| 379 | } |
| 380 | |
| 381 | if (phy->rev <= 2) |
| 382 | for (i = 0; i < B43legacy_ILT_NOISESCALEG_SIZE; i++) |
| 383 | b43legacy_ilt_write(dev, 0x1400 + i, |
| 384 | b43legacy_ilt_noisescaleg1[i]); |
| 385 | else if ((phy->rev >= 7) && (b43legacy_phy_read(dev, 0x0449) & 0x0200)) |
| 386 | for (i = 0; i < B43legacy_ILT_NOISESCALEG_SIZE; i++) |
| 387 | b43legacy_ilt_write(dev, 0x1400 + i, |
| 388 | b43legacy_ilt_noisescaleg3[i]); |
| 389 | else |
| 390 | for (i = 0; i < B43legacy_ILT_NOISESCALEG_SIZE; i++) |
| 391 | b43legacy_ilt_write(dev, 0x1400 + i, |
| 392 | b43legacy_ilt_noisescaleg2[i]); |
| 393 | |
| 394 | if (phy->rev == 2) |
| 395 | for (i = 0; i < B43legacy_ILT_SIGMASQR_SIZE; i++) |
| 396 | b43legacy_ilt_write(dev, 0x5000 + i, |
| 397 | b43legacy_ilt_sigmasqr1[i]); |
| 398 | else if ((phy->rev > 2) && (phy->rev <= 8)) |
| 399 | for (i = 0; i < B43legacy_ILT_SIGMASQR_SIZE; i++) |
| 400 | b43legacy_ilt_write(dev, 0x5000 + i, |
| 401 | b43legacy_ilt_sigmasqr2[i]); |
| 402 | |
| 403 | if (phy->rev == 1) { |
| 404 | for (i = 0; i < B43legacy_ILT_RETARD_SIZE; i++) |
| 405 | b43legacy_ilt_write32(dev, 0x2400 + i, |
| 406 | b43legacy_ilt_retard[i]); |
| 407 | for (i = 4; i < 20; i++) |
| 408 | b43legacy_ilt_write(dev, 0x5400 + i, 0x0020); |
| 409 | b43legacy_phy_agcsetup(dev); |
| 410 | |
| 411 | if (is_bcm_board_vendor(dev) && |
| 412 | (dev->dev->bus->boardinfo.type == 0x0416) && |
| 413 | (dev->dev->bus->boardinfo.rev == 0x0017)) |
| 414 | return; |
| 415 | |
| 416 | b43legacy_ilt_write(dev, 0x5001, 0x0002); |
| 417 | b43legacy_ilt_write(dev, 0x5002, 0x0001); |
| 418 | } else { |
| 419 | for (i = 0; i <= 0x20; i++) |
| 420 | b43legacy_ilt_write(dev, 0x1000 + i, 0x0820); |
| 421 | b43legacy_phy_agcsetup(dev); |
| 422 | b43legacy_phy_read(dev, 0x0400); /* dummy read */ |
| 423 | b43legacy_phy_write(dev, 0x0403, 0x1000); |
| 424 | b43legacy_ilt_write(dev, 0x3C02, 0x000F); |
| 425 | b43legacy_ilt_write(dev, 0x3C03, 0x0014); |
| 426 | |
| 427 | if (is_bcm_board_vendor(dev) && |
| 428 | (dev->dev->bus->boardinfo.type == 0x0416) && |
| 429 | (dev->dev->bus->boardinfo.rev == 0x0017)) |
| 430 | return; |
| 431 | |
| 432 | b43legacy_ilt_write(dev, 0x0401, 0x0002); |
| 433 | b43legacy_ilt_write(dev, 0x0402, 0x0001); |
| 434 | } |
| 435 | } |
| 436 | |
| 437 | /* Initialize the APHY portion of a GPHY. */ |
| 438 | static void b43legacy_phy_inita(struct b43legacy_wldev *dev) |
| 439 | { |
| 440 | |
| 441 | might_sleep(); |
| 442 | |
| 443 | b43legacy_phy_setupg(dev); |
| 444 | if (dev->dev->bus->sprom.r1.boardflags_lo & B43legacy_BFL_PACTRL) |
| 445 | b43legacy_phy_write(dev, 0x046E, 0x03CF); |
| 446 | } |
| 447 | |
| 448 | static void b43legacy_phy_initb2(struct b43legacy_wldev *dev) |
| 449 | { |
| 450 | struct b43legacy_phy *phy = &dev->phy; |
| 451 | u16 offset; |
| 452 | int val; |
| 453 | |
| 454 | b43legacy_write16(dev, 0x03EC, 0x3F22); |
| 455 | b43legacy_phy_write(dev, 0x0020, 0x301C); |
| 456 | b43legacy_phy_write(dev, 0x0026, 0x0000); |
| 457 | b43legacy_phy_write(dev, 0x0030, 0x00C6); |
| 458 | b43legacy_phy_write(dev, 0x0088, 0x3E00); |
| 459 | val = 0x3C3D; |
| 460 | for (offset = 0x0089; offset < 0x00A7; offset++) { |
| 461 | b43legacy_phy_write(dev, offset, val); |
| 462 | val -= 0x0202; |
| 463 | } |
| 464 | b43legacy_phy_write(dev, 0x03E4, 0x3000); |
| 465 | if (phy->channel == 0xFF) |
| 466 | b43legacy_radio_selectchannel(dev, |
| 467 | B43legacy_RADIO_DEFAULT_CHANNEL_BG, |
| 468 | 0); |
| 469 | else |
| 470 | b43legacy_radio_selectchannel(dev, phy->channel, 0); |
| 471 | if (phy->radio_ver != 0x2050) { |
| 472 | b43legacy_radio_write16(dev, 0x0075, 0x0080); |
| 473 | b43legacy_radio_write16(dev, 0x0079, 0x0081); |
| 474 | } |
| 475 | b43legacy_radio_write16(dev, 0x0050, 0x0020); |
| 476 | b43legacy_radio_write16(dev, 0x0050, 0x0023); |
| 477 | if (phy->radio_ver == 0x2050) { |
| 478 | b43legacy_radio_write16(dev, 0x0050, 0x0020); |
| 479 | b43legacy_radio_write16(dev, 0x005A, 0x0070); |
| 480 | b43legacy_radio_write16(dev, 0x005B, 0x007B); |
| 481 | b43legacy_radio_write16(dev, 0x005C, 0x00B0); |
| 482 | b43legacy_radio_write16(dev, 0x007A, 0x000F); |
| 483 | b43legacy_phy_write(dev, 0x0038, 0x0677); |
| 484 | b43legacy_radio_init2050(dev); |
| 485 | } |
| 486 | b43legacy_phy_write(dev, 0x0014, 0x0080); |
| 487 | b43legacy_phy_write(dev, 0x0032, 0x00CA); |
| 488 | b43legacy_phy_write(dev, 0x0032, 0x00CC); |
| 489 | b43legacy_phy_write(dev, 0x0035, 0x07C2); |
| 490 | b43legacy_phy_lo_b_measure(dev); |
| 491 | b43legacy_phy_write(dev, 0x0026, 0xCC00); |
| 492 | if (phy->radio_ver != 0x2050) |
| 493 | b43legacy_phy_write(dev, 0x0026, 0xCE00); |
| 494 | b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, 0x1000); |
| 495 | b43legacy_phy_write(dev, 0x002A, 0x88A3); |
| 496 | if (phy->radio_ver != 0x2050) |
| 497 | b43legacy_phy_write(dev, 0x002A, 0x88C2); |
| 498 | b43legacy_radio_set_txpower_bg(dev, 0xFFFF, 0xFFFF, 0xFFFF); |
| 499 | b43legacy_phy_init_pctl(dev); |
| 500 | } |
| 501 | |
| 502 | static void b43legacy_phy_initb4(struct b43legacy_wldev *dev) |
| 503 | { |
| 504 | struct b43legacy_phy *phy = &dev->phy; |
| 505 | u16 offset; |
| 506 | u16 val; |
| 507 | |
| 508 | b43legacy_write16(dev, 0x03EC, 0x3F22); |
| 509 | b43legacy_phy_write(dev, 0x0020, 0x301C); |
| 510 | b43legacy_phy_write(dev, 0x0026, 0x0000); |
| 511 | b43legacy_phy_write(dev, 0x0030, 0x00C6); |
| 512 | b43legacy_phy_write(dev, 0x0088, 0x3E00); |
| 513 | val = 0x3C3D; |
| 514 | for (offset = 0x0089; offset < 0x00A7; offset++) { |
| 515 | b43legacy_phy_write(dev, offset, val); |
| 516 | val -= 0x0202; |
| 517 | } |
| 518 | b43legacy_phy_write(dev, 0x03E4, 0x3000); |
| 519 | if (phy->channel == 0xFF) |
| 520 | b43legacy_radio_selectchannel(dev, |
| 521 | B43legacy_RADIO_DEFAULT_CHANNEL_BG, |
| 522 | 0); |
| 523 | else |
| 524 | b43legacy_radio_selectchannel(dev, phy->channel, 0); |
| 525 | if (phy->radio_ver != 0x2050) { |
| 526 | b43legacy_radio_write16(dev, 0x0075, 0x0080); |
| 527 | b43legacy_radio_write16(dev, 0x0079, 0x0081); |
| 528 | } |
| 529 | b43legacy_radio_write16(dev, 0x0050, 0x0020); |
| 530 | b43legacy_radio_write16(dev, 0x0050, 0x0023); |
| 531 | if (phy->radio_ver == 0x2050) { |
| 532 | b43legacy_radio_write16(dev, 0x0050, 0x0020); |
| 533 | b43legacy_radio_write16(dev, 0x005A, 0x0070); |
| 534 | b43legacy_radio_write16(dev, 0x005B, 0x007B); |
| 535 | b43legacy_radio_write16(dev, 0x005C, 0x00B0); |
| 536 | b43legacy_radio_write16(dev, 0x007A, 0x000F); |
| 537 | b43legacy_phy_write(dev, 0x0038, 0x0677); |
| 538 | b43legacy_radio_init2050(dev); |
| 539 | } |
| 540 | b43legacy_phy_write(dev, 0x0014, 0x0080); |
| 541 | b43legacy_phy_write(dev, 0x0032, 0x00CA); |
| 542 | if (phy->radio_ver == 0x2050) |
| 543 | b43legacy_phy_write(dev, 0x0032, 0x00E0); |
| 544 | b43legacy_phy_write(dev, 0x0035, 0x07C2); |
| 545 | |
| 546 | b43legacy_phy_lo_b_measure(dev); |
| 547 | |
| 548 | b43legacy_phy_write(dev, 0x0026, 0xCC00); |
| 549 | if (phy->radio_ver == 0x2050) |
| 550 | b43legacy_phy_write(dev, 0x0026, 0xCE00); |
| 551 | b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, 0x1100); |
| 552 | b43legacy_phy_write(dev, 0x002A, 0x88A3); |
| 553 | if (phy->radio_ver == 0x2050) |
| 554 | b43legacy_phy_write(dev, 0x002A, 0x88C2); |
| 555 | b43legacy_radio_set_txpower_bg(dev, 0xFFFF, 0xFFFF, 0xFFFF); |
| 556 | if (dev->dev->bus->sprom.r1.boardflags_lo & B43legacy_BFL_RSSI) { |
| 557 | b43legacy_calc_nrssi_slope(dev); |
| 558 | b43legacy_calc_nrssi_threshold(dev); |
| 559 | } |
| 560 | b43legacy_phy_init_pctl(dev); |
| 561 | } |
| 562 | |
| 563 | static void b43legacy_phy_initb5(struct b43legacy_wldev *dev) |
| 564 | { |
| 565 | struct b43legacy_phy *phy = &dev->phy; |
| 566 | u16 offset; |
| 567 | u16 value; |
| 568 | u8 old_channel; |
| 569 | |
| 570 | if (phy->analog == 1) |
| 571 | b43legacy_radio_write16(dev, 0x007A, |
| 572 | b43legacy_radio_read16(dev, 0x007A) |
| 573 | | 0x0050); |
| 574 | if (!is_bcm_board_vendor(dev) && |
| 575 | (dev->dev->bus->boardinfo.type != 0x0416)) { |
| 576 | value = 0x2120; |
| 577 | for (offset = 0x00A8 ; offset < 0x00C7; offset++) { |
| 578 | b43legacy_phy_write(dev, offset, value); |
| 579 | value += 0x0202; |
| 580 | } |
| 581 | } |
| 582 | b43legacy_phy_write(dev, 0x0035, |
| 583 | (b43legacy_phy_read(dev, 0x0035) & 0xF0FF) |
| 584 | | 0x0700); |
| 585 | if (phy->radio_ver == 0x2050) |
| 586 | b43legacy_phy_write(dev, 0x0038, 0x0667); |
| 587 | |
| 588 | if (phy->gmode) { |
| 589 | if (phy->radio_ver == 0x2050) { |
| 590 | b43legacy_radio_write16(dev, 0x007A, |
| 591 | b43legacy_radio_read16(dev, 0x007A) |
| 592 | | 0x0020); |
| 593 | b43legacy_radio_write16(dev, 0x0051, |
| 594 | b43legacy_radio_read16(dev, 0x0051) |
| 595 | | 0x0004); |
| 596 | } |
| 597 | b43legacy_write16(dev, B43legacy_MMIO_PHY_RADIO, 0x0000); |
| 598 | |
| 599 | b43legacy_phy_write(dev, 0x0802, b43legacy_phy_read(dev, 0x0802) |
| 600 | | 0x0100); |
| 601 | b43legacy_phy_write(dev, 0x042B, b43legacy_phy_read(dev, 0x042B) |
| 602 | | 0x2000); |
| 603 | |
| 604 | b43legacy_phy_write(dev, 0x001C, 0x186A); |
| 605 | |
| 606 | b43legacy_phy_write(dev, 0x0013, (b43legacy_phy_read(dev, |
| 607 | 0x0013) & 0x00FF) | 0x1900); |
| 608 | b43legacy_phy_write(dev, 0x0035, (b43legacy_phy_read(dev, |
| 609 | 0x0035) & 0xFFC0) | 0x0064); |
| 610 | b43legacy_phy_write(dev, 0x005D, (b43legacy_phy_read(dev, |
| 611 | 0x005D) & 0xFF80) | 0x000A); |
| 612 | } |
| 613 | |
| 614 | if (dev->bad_frames_preempt) |
| 615 | b43legacy_phy_write(dev, B43legacy_PHY_RADIO_BITFIELD, |
| 616 | b43legacy_phy_read(dev, |
| 617 | B43legacy_PHY_RADIO_BITFIELD) | (1 << 11)); |
| 618 | |
| 619 | if (phy->analog == 1) { |
| 620 | b43legacy_phy_write(dev, 0x0026, 0xCE00); |
| 621 | b43legacy_phy_write(dev, 0x0021, 0x3763); |
| 622 | b43legacy_phy_write(dev, 0x0022, 0x1BC3); |
| 623 | b43legacy_phy_write(dev, 0x0023, 0x06F9); |
| 624 | b43legacy_phy_write(dev, 0x0024, 0x037E); |
| 625 | } else |
| 626 | b43legacy_phy_write(dev, 0x0026, 0xCC00); |
| 627 | b43legacy_phy_write(dev, 0x0030, 0x00C6); |
| 628 | b43legacy_write16(dev, 0x03EC, 0x3F22); |
| 629 | |
| 630 | if (phy->analog == 1) |
| 631 | b43legacy_phy_write(dev, 0x0020, 0x3E1C); |
| 632 | else |
| 633 | b43legacy_phy_write(dev, 0x0020, 0x301C); |
| 634 | |
| 635 | if (phy->analog == 0) |
| 636 | b43legacy_write16(dev, 0x03E4, 0x3000); |
| 637 | |
| 638 | old_channel = (phy->channel == 0xFF) ? 1 : phy->channel; |
| 639 | /* Force to channel 7, even if not supported. */ |
| 640 | b43legacy_radio_selectchannel(dev, 7, 0); |
| 641 | |
| 642 | if (phy->radio_ver != 0x2050) { |
| 643 | b43legacy_radio_write16(dev, 0x0075, 0x0080); |
| 644 | b43legacy_radio_write16(dev, 0x0079, 0x0081); |
| 645 | } |
| 646 | |
| 647 | b43legacy_radio_write16(dev, 0x0050, 0x0020); |
| 648 | b43legacy_radio_write16(dev, 0x0050, 0x0023); |
| 649 | |
| 650 | if (phy->radio_ver == 0x2050) { |
| 651 | b43legacy_radio_write16(dev, 0x0050, 0x0020); |
| 652 | b43legacy_radio_write16(dev, 0x005A, 0x0070); |
| 653 | } |
| 654 | |
| 655 | b43legacy_radio_write16(dev, 0x005B, 0x007B); |
| 656 | b43legacy_radio_write16(dev, 0x005C, 0x00B0); |
| 657 | |
| 658 | b43legacy_radio_write16(dev, 0x007A, b43legacy_radio_read16(dev, |
| 659 | 0x007A) | 0x0007); |
| 660 | |
| 661 | b43legacy_radio_selectchannel(dev, old_channel, 0); |
| 662 | |
| 663 | b43legacy_phy_write(dev, 0x0014, 0x0080); |
| 664 | b43legacy_phy_write(dev, 0x0032, 0x00CA); |
| 665 | b43legacy_phy_write(dev, 0x002A, 0x88A3); |
| 666 | |
| 667 | b43legacy_radio_set_txpower_bg(dev, 0xFFFF, 0xFFFF, 0xFFFF); |
| 668 | |
| 669 | if (phy->radio_ver == 0x2050) |
| 670 | b43legacy_radio_write16(dev, 0x005D, 0x000D); |
| 671 | |
| 672 | b43legacy_write16(dev, 0x03E4, (b43legacy_read16(dev, 0x03E4) & |
| 673 | 0xFFC0) | 0x0004); |
| 674 | } |
| 675 | |
| 676 | static void b43legacy_phy_initb6(struct b43legacy_wldev *dev) |
| 677 | { |
| 678 | struct b43legacy_phy *phy = &dev->phy; |
| 679 | u16 offset; |
| 680 | u16 val; |
| 681 | u8 old_channel; |
| 682 | |
| 683 | b43legacy_phy_write(dev, 0x003E, 0x817A); |
| 684 | b43legacy_radio_write16(dev, 0x007A, |
| 685 | (b43legacy_radio_read16(dev, 0x007A) | 0x0058)); |
| 686 | if (phy->radio_rev == 4 || |
| 687 | phy->radio_rev == 5) { |
| 688 | b43legacy_radio_write16(dev, 0x0051, 0x0037); |
| 689 | b43legacy_radio_write16(dev, 0x0052, 0x0070); |
| 690 | b43legacy_radio_write16(dev, 0x0053, 0x00B3); |
| 691 | b43legacy_radio_write16(dev, 0x0054, 0x009B); |
| 692 | b43legacy_radio_write16(dev, 0x005A, 0x0088); |
| 693 | b43legacy_radio_write16(dev, 0x005B, 0x0088); |
| 694 | b43legacy_radio_write16(dev, 0x005D, 0x0088); |
| 695 | b43legacy_radio_write16(dev, 0x005E, 0x0088); |
| 696 | b43legacy_radio_write16(dev, 0x007D, 0x0088); |
| 697 | b43legacy_shm_write32(dev, B43legacy_SHM_SHARED, |
| 698 | B43legacy_UCODEFLAGS_OFFSET, |
| 699 | (b43legacy_shm_read32(dev, |
| 700 | B43legacy_SHM_SHARED, |
| 701 | B43legacy_UCODEFLAGS_OFFSET) |
| 702 | | 0x00000200)); |
| 703 | } |
| 704 | if (phy->radio_rev == 8) { |
| 705 | b43legacy_radio_write16(dev, 0x0051, 0x0000); |
| 706 | b43legacy_radio_write16(dev, 0x0052, 0x0040); |
| 707 | b43legacy_radio_write16(dev, 0x0053, 0x00B7); |
| 708 | b43legacy_radio_write16(dev, 0x0054, 0x0098); |
| 709 | b43legacy_radio_write16(dev, 0x005A, 0x0088); |
| 710 | b43legacy_radio_write16(dev, 0x005B, 0x006B); |
| 711 | b43legacy_radio_write16(dev, 0x005C, 0x000F); |
| 712 | if (dev->dev->bus->sprom.r1.boardflags_lo & 0x8000) { |
| 713 | b43legacy_radio_write16(dev, 0x005D, 0x00FA); |
| 714 | b43legacy_radio_write16(dev, 0x005E, 0x00D8); |
| 715 | } else { |
| 716 | b43legacy_radio_write16(dev, 0x005D, 0x00F5); |
| 717 | b43legacy_radio_write16(dev, 0x005E, 0x00B8); |
| 718 | } |
| 719 | b43legacy_radio_write16(dev, 0x0073, 0x0003); |
| 720 | b43legacy_radio_write16(dev, 0x007D, 0x00A8); |
| 721 | b43legacy_radio_write16(dev, 0x007C, 0x0001); |
| 722 | b43legacy_radio_write16(dev, 0x007E, 0x0008); |
| 723 | } |
| 724 | val = 0x1E1F; |
| 725 | for (offset = 0x0088; offset < 0x0098; offset++) { |
| 726 | b43legacy_phy_write(dev, offset, val); |
| 727 | val -= 0x0202; |
| 728 | } |
| 729 | val = 0x3E3F; |
| 730 | for (offset = 0x0098; offset < 0x00A8; offset++) { |
| 731 | b43legacy_phy_write(dev, offset, val); |
| 732 | val -= 0x0202; |
| 733 | } |
| 734 | val = 0x2120; |
| 735 | for (offset = 0x00A8; offset < 0x00C8; offset++) { |
| 736 | b43legacy_phy_write(dev, offset, (val & 0x3F3F)); |
| 737 | val += 0x0202; |
| 738 | } |
| 739 | if (phy->type == B43legacy_PHYTYPE_G) { |
| 740 | b43legacy_radio_write16(dev, 0x007A, |
| 741 | b43legacy_radio_read16(dev, 0x007A) | |
| 742 | 0x0020); |
| 743 | b43legacy_radio_write16(dev, 0x0051, |
| 744 | b43legacy_radio_read16(dev, 0x0051) | |
| 745 | 0x0004); |
| 746 | b43legacy_phy_write(dev, 0x0802, |
| 747 | b43legacy_phy_read(dev, 0x0802) | 0x0100); |
| 748 | b43legacy_phy_write(dev, 0x042B, |
| 749 | b43legacy_phy_read(dev, 0x042B) | 0x2000); |
| 750 | b43legacy_phy_write(dev, 0x5B, 0x0000); |
| 751 | b43legacy_phy_write(dev, 0x5C, 0x0000); |
| 752 | } |
| 753 | |
| 754 | old_channel = phy->channel; |
| 755 | if (old_channel >= 8) |
| 756 | b43legacy_radio_selectchannel(dev, 1, 0); |
| 757 | else |
| 758 | b43legacy_radio_selectchannel(dev, 13, 0); |
| 759 | |
| 760 | b43legacy_radio_write16(dev, 0x0050, 0x0020); |
| 761 | b43legacy_radio_write16(dev, 0x0050, 0x0023); |
| 762 | udelay(40); |
| 763 | if (phy->radio_rev < 6 || phy->radio_rev == 8) { |
| 764 | b43legacy_radio_write16(dev, 0x007C, |
| 765 | (b43legacy_radio_read16(dev, 0x007C) |
| 766 | | 0x0002)); |
| 767 | b43legacy_radio_write16(dev, 0x0050, 0x0020); |
| 768 | } |
| 769 | if (phy->radio_rev <= 2) { |
| 770 | b43legacy_radio_write16(dev, 0x007C, 0x0020); |
| 771 | b43legacy_radio_write16(dev, 0x005A, 0x0070); |
| 772 | b43legacy_radio_write16(dev, 0x005B, 0x007B); |
| 773 | b43legacy_radio_write16(dev, 0x005C, 0x00B0); |
| 774 | } |
| 775 | b43legacy_radio_write16(dev, 0x007A, |
| 776 | (b43legacy_radio_read16(dev, |
| 777 | 0x007A) & 0x00F8) | 0x0007); |
| 778 | |
| 779 | b43legacy_radio_selectchannel(dev, old_channel, 0); |
| 780 | |
| 781 | b43legacy_phy_write(dev, 0x0014, 0x0200); |
| 782 | if (phy->radio_rev >= 6) |
| 783 | b43legacy_phy_write(dev, 0x002A, 0x88C2); |
| 784 | else |
| 785 | b43legacy_phy_write(dev, 0x002A, 0x8AC0); |
| 786 | b43legacy_phy_write(dev, 0x0038, 0x0668); |
| 787 | b43legacy_radio_set_txpower_bg(dev, 0xFFFF, 0xFFFF, 0xFFFF); |
| 788 | if (phy->radio_rev <= 5) |
| 789 | b43legacy_phy_write(dev, 0x005D, (b43legacy_phy_read(dev, |
| 790 | 0x005D) & 0xFF80) | 0x0003); |
| 791 | if (phy->radio_rev <= 2) |
| 792 | b43legacy_radio_write16(dev, 0x005D, 0x000D); |
| 793 | |
| 794 | if (phy->analog == 4) { |
| 795 | b43legacy_write16(dev, 0x03E4, 0x0009); |
| 796 | b43legacy_phy_write(dev, 0x61, b43legacy_phy_read(dev, 0x61) |
| 797 | & 0xFFF); |
| 798 | } else |
| 799 | b43legacy_phy_write(dev, 0x0002, (b43legacy_phy_read(dev, |
| 800 | 0x0002) & 0xFFC0) | 0x0004); |
| 801 | if (phy->type == B43legacy_PHYTYPE_G) |
| 802 | b43legacy_write16(dev, 0x03E6, 0x0); |
| 803 | if (phy->type == B43legacy_PHYTYPE_B) { |
| 804 | b43legacy_write16(dev, 0x03E6, 0x8140); |
| 805 | b43legacy_phy_write(dev, 0x0016, 0x0410); |
| 806 | b43legacy_phy_write(dev, 0x0017, 0x0820); |
| 807 | b43legacy_phy_write(dev, 0x0062, 0x0007); |
| 808 | b43legacy_radio_init2050(dev); |
| 809 | b43legacy_phy_lo_g_measure(dev); |
| 810 | if (dev->dev->bus->sprom.r1.boardflags_lo & |
| 811 | B43legacy_BFL_RSSI) { |
| 812 | b43legacy_calc_nrssi_slope(dev); |
| 813 | b43legacy_calc_nrssi_threshold(dev); |
| 814 | } |
| 815 | b43legacy_phy_init_pctl(dev); |
| 816 | } |
| 817 | } |
| 818 | |
| 819 | static void b43legacy_calc_loopback_gain(struct b43legacy_wldev *dev) |
| 820 | { |
| 821 | struct b43legacy_phy *phy = &dev->phy; |
| 822 | u16 backup_phy[15] = {0}; |
| 823 | u16 backup_radio[3]; |
| 824 | u16 backup_bband; |
| 825 | u16 i; |
| 826 | u16 loop1_cnt; |
| 827 | u16 loop1_done; |
| 828 | u16 loop1_omitted; |
| 829 | u16 loop2_done; |
| 830 | |
| 831 | backup_phy[0] = b43legacy_phy_read(dev, 0x0429); |
| 832 | backup_phy[1] = b43legacy_phy_read(dev, 0x0001); |
| 833 | backup_phy[2] = b43legacy_phy_read(dev, 0x0811); |
| 834 | backup_phy[3] = b43legacy_phy_read(dev, 0x0812); |
| 835 | if (phy->rev != 1) { |
| 836 | backup_phy[4] = b43legacy_phy_read(dev, 0x0814); |
| 837 | backup_phy[5] = b43legacy_phy_read(dev, 0x0815); |
| 838 | } |
| 839 | backup_phy[6] = b43legacy_phy_read(dev, 0x005A); |
| 840 | backup_phy[7] = b43legacy_phy_read(dev, 0x0059); |
| 841 | backup_phy[8] = b43legacy_phy_read(dev, 0x0058); |
| 842 | backup_phy[9] = b43legacy_phy_read(dev, 0x000A); |
| 843 | backup_phy[10] = b43legacy_phy_read(dev, 0x0003); |
| 844 | backup_phy[11] = b43legacy_phy_read(dev, 0x080F); |
| 845 | backup_phy[12] = b43legacy_phy_read(dev, 0x0810); |
| 846 | backup_phy[13] = b43legacy_phy_read(dev, 0x002B); |
| 847 | backup_phy[14] = b43legacy_phy_read(dev, 0x0015); |
| 848 | b43legacy_phy_read(dev, 0x002D); /* dummy read */ |
| 849 | backup_bband = phy->bbatt; |
| 850 | backup_radio[0] = b43legacy_radio_read16(dev, 0x0052); |
| 851 | backup_radio[1] = b43legacy_radio_read16(dev, 0x0043); |
| 852 | backup_radio[2] = b43legacy_radio_read16(dev, 0x007A); |
| 853 | |
| 854 | b43legacy_phy_write(dev, 0x0429, |
| 855 | b43legacy_phy_read(dev, 0x0429) & 0x3FFF); |
| 856 | b43legacy_phy_write(dev, 0x0001, |
| 857 | b43legacy_phy_read(dev, 0x0001) & 0x8000); |
| 858 | b43legacy_phy_write(dev, 0x0811, |
| 859 | b43legacy_phy_read(dev, 0x0811) | 0x0002); |
| 860 | b43legacy_phy_write(dev, 0x0812, |
| 861 | b43legacy_phy_read(dev, 0x0812) & 0xFFFD); |
| 862 | b43legacy_phy_write(dev, 0x0811, |
| 863 | b43legacy_phy_read(dev, 0x0811) | 0x0001); |
| 864 | b43legacy_phy_write(dev, 0x0812, |
| 865 | b43legacy_phy_read(dev, 0x0812) & 0xFFFE); |
| 866 | if (phy->rev != 1) { |
| 867 | b43legacy_phy_write(dev, 0x0814, |
| 868 | b43legacy_phy_read(dev, 0x0814) | 0x0001); |
| 869 | b43legacy_phy_write(dev, 0x0815, |
| 870 | b43legacy_phy_read(dev, 0x0815) & 0xFFFE); |
| 871 | b43legacy_phy_write(dev, 0x0814, |
| 872 | b43legacy_phy_read(dev, 0x0814) | 0x0002); |
| 873 | b43legacy_phy_write(dev, 0x0815, |
| 874 | b43legacy_phy_read(dev, 0x0815) & 0xFFFD); |
| 875 | } |
| 876 | b43legacy_phy_write(dev, 0x0811, b43legacy_phy_read(dev, 0x0811) | |
| 877 | 0x000C); |
| 878 | b43legacy_phy_write(dev, 0x0812, b43legacy_phy_read(dev, 0x0812) | |
| 879 | 0x000C); |
| 880 | |
| 881 | b43legacy_phy_write(dev, 0x0811, (b43legacy_phy_read(dev, 0x0811) |
| 882 | & 0xFFCF) | 0x0030); |
| 883 | b43legacy_phy_write(dev, 0x0812, (b43legacy_phy_read(dev, 0x0812) |
| 884 | & 0xFFCF) | 0x0010); |
| 885 | |
| 886 | b43legacy_phy_write(dev, 0x005A, 0x0780); |
| 887 | b43legacy_phy_write(dev, 0x0059, 0xC810); |
| 888 | b43legacy_phy_write(dev, 0x0058, 0x000D); |
| 889 | if (phy->analog == 0) |
| 890 | b43legacy_phy_write(dev, 0x0003, 0x0122); |
| 891 | else |
| 892 | b43legacy_phy_write(dev, 0x000A, |
| 893 | b43legacy_phy_read(dev, 0x000A) |
| 894 | | 0x2000); |
| 895 | if (phy->rev != 1) { |
| 896 | b43legacy_phy_write(dev, 0x0814, |
| 897 | b43legacy_phy_read(dev, 0x0814) | 0x0004); |
| 898 | b43legacy_phy_write(dev, 0x0815, |
| 899 | b43legacy_phy_read(dev, 0x0815) & 0xFFFB); |
| 900 | } |
| 901 | b43legacy_phy_write(dev, 0x0003, |
| 902 | (b43legacy_phy_read(dev, 0x0003) |
| 903 | & 0xFF9F) | 0x0040); |
| 904 | if (phy->radio_ver == 0x2050 && phy->radio_rev == 2) { |
| 905 | b43legacy_radio_write16(dev, 0x0052, 0x0000); |
| 906 | b43legacy_radio_write16(dev, 0x0043, |
| 907 | (b43legacy_radio_read16(dev, 0x0043) |
| 908 | & 0xFFF0) | 0x0009); |
| 909 | loop1_cnt = 9; |
| 910 | } else if (phy->radio_rev == 8) { |
| 911 | b43legacy_radio_write16(dev, 0x0043, 0x000F); |
| 912 | loop1_cnt = 15; |
| 913 | } else |
| 914 | loop1_cnt = 0; |
| 915 | |
| 916 | b43legacy_phy_set_baseband_attenuation(dev, 11); |
| 917 | |
| 918 | if (phy->rev >= 3) |
| 919 | b43legacy_phy_write(dev, 0x080F, 0xC020); |
| 920 | else |
| 921 | b43legacy_phy_write(dev, 0x080F, 0x8020); |
| 922 | b43legacy_phy_write(dev, 0x0810, 0x0000); |
| 923 | |
| 924 | b43legacy_phy_write(dev, 0x002B, |
| 925 | (b43legacy_phy_read(dev, 0x002B) |
| 926 | & 0xFFC0) | 0x0001); |
| 927 | b43legacy_phy_write(dev, 0x002B, |
| 928 | (b43legacy_phy_read(dev, 0x002B) |
| 929 | & 0xC0FF) | 0x0800); |
| 930 | b43legacy_phy_write(dev, 0x0811, |
| 931 | b43legacy_phy_read(dev, 0x0811) | 0x0100); |
| 932 | b43legacy_phy_write(dev, 0x0812, |
| 933 | b43legacy_phy_read(dev, 0x0812) & 0xCFFF); |
| 934 | if (dev->dev->bus->sprom.r1.boardflags_lo & B43legacy_BFL_EXTLNA) { |
| 935 | if (phy->rev >= 7) { |
| 936 | b43legacy_phy_write(dev, 0x0811, |
| 937 | b43legacy_phy_read(dev, 0x0811) |
| 938 | | 0x0800); |
| 939 | b43legacy_phy_write(dev, 0x0812, |
| 940 | b43legacy_phy_read(dev, 0x0812) |
| 941 | | 0x8000); |
| 942 | } |
| 943 | } |
| 944 | b43legacy_radio_write16(dev, 0x007A, |
| 945 | b43legacy_radio_read16(dev, 0x007A) |
| 946 | & 0x00F7); |
| 947 | |
| 948 | for (i = 0; i < loop1_cnt; i++) { |
| 949 | b43legacy_radio_write16(dev, 0x0043, loop1_cnt); |
| 950 | b43legacy_phy_write(dev, 0x0812, |
| 951 | (b43legacy_phy_read(dev, 0x0812) |
| 952 | & 0xF0FF) | (i << 8)); |
| 953 | b43legacy_phy_write(dev, 0x0015, |
| 954 | (b43legacy_phy_read(dev, 0x0015) |
| 955 | & 0x0FFF) | 0xA000); |
| 956 | b43legacy_phy_write(dev, 0x0015, |
| 957 | (b43legacy_phy_read(dev, 0x0015) |
| 958 | & 0x0FFF) | 0xF000); |
| 959 | udelay(20); |
| 960 | if (b43legacy_phy_read(dev, 0x002D) >= 0x0DFC) |
| 961 | break; |
| 962 | } |
| 963 | loop1_done = i; |
| 964 | loop1_omitted = loop1_cnt - loop1_done; |
| 965 | |
| 966 | loop2_done = 0; |
| 967 | if (loop1_done >= 8) { |
| 968 | b43legacy_phy_write(dev, 0x0812, |
| 969 | b43legacy_phy_read(dev, 0x0812) |
| 970 | | 0x0030); |
| 971 | for (i = loop1_done - 8; i < 16; i++) { |
| 972 | b43legacy_phy_write(dev, 0x0812, |
| 973 | (b43legacy_phy_read(dev, 0x0812) |
| 974 | & 0xF0FF) | (i << 8)); |
| 975 | b43legacy_phy_write(dev, 0x0015, |
| 976 | (b43legacy_phy_read(dev, 0x0015) |
| 977 | & 0x0FFF) | 0xA000); |
| 978 | b43legacy_phy_write(dev, 0x0015, |
| 979 | (b43legacy_phy_read(dev, 0x0015) |
| 980 | & 0x0FFF) | 0xF000); |
| 981 | udelay(20); |
| 982 | if (b43legacy_phy_read(dev, 0x002D) >= 0x0DFC) |
| 983 | break; |
| 984 | } |
| 985 | } |
| 986 | |
| 987 | if (phy->rev != 1) { |
| 988 | b43legacy_phy_write(dev, 0x0814, backup_phy[4]); |
| 989 | b43legacy_phy_write(dev, 0x0815, backup_phy[5]); |
| 990 | } |
| 991 | b43legacy_phy_write(dev, 0x005A, backup_phy[6]); |
| 992 | b43legacy_phy_write(dev, 0x0059, backup_phy[7]); |
| 993 | b43legacy_phy_write(dev, 0x0058, backup_phy[8]); |
| 994 | b43legacy_phy_write(dev, 0x000A, backup_phy[9]); |
| 995 | b43legacy_phy_write(dev, 0x0003, backup_phy[10]); |
| 996 | b43legacy_phy_write(dev, 0x080F, backup_phy[11]); |
| 997 | b43legacy_phy_write(dev, 0x0810, backup_phy[12]); |
| 998 | b43legacy_phy_write(dev, 0x002B, backup_phy[13]); |
| 999 | b43legacy_phy_write(dev, 0x0015, backup_phy[14]); |
| 1000 | |
| 1001 | b43legacy_phy_set_baseband_attenuation(dev, backup_bband); |
| 1002 | |
| 1003 | b43legacy_radio_write16(dev, 0x0052, backup_radio[0]); |
| 1004 | b43legacy_radio_write16(dev, 0x0043, backup_radio[1]); |
| 1005 | b43legacy_radio_write16(dev, 0x007A, backup_radio[2]); |
| 1006 | |
| 1007 | b43legacy_phy_write(dev, 0x0811, backup_phy[2] | 0x0003); |
| 1008 | udelay(10); |
| 1009 | b43legacy_phy_write(dev, 0x0811, backup_phy[2]); |
| 1010 | b43legacy_phy_write(dev, 0x0812, backup_phy[3]); |
| 1011 | b43legacy_phy_write(dev, 0x0429, backup_phy[0]); |
| 1012 | b43legacy_phy_write(dev, 0x0001, backup_phy[1]); |
| 1013 | |
| 1014 | phy->loopback_gain[0] = ((loop1_done * 6) - (loop1_omitted * 4)) - 11; |
| 1015 | phy->loopback_gain[1] = (24 - (3 * loop2_done)) * 2; |
| 1016 | } |
| 1017 | |
| 1018 | static void b43legacy_phy_initg(struct b43legacy_wldev *dev) |
| 1019 | { |
| 1020 | struct b43legacy_phy *phy = &dev->phy; |
| 1021 | u16 tmp; |
| 1022 | |
| 1023 | if (phy->rev == 1) |
| 1024 | b43legacy_phy_initb5(dev); |
| 1025 | else |
| 1026 | b43legacy_phy_initb6(dev); |
| 1027 | if (phy->rev >= 2 || phy->gmode) |
| 1028 | b43legacy_phy_inita(dev); |
| 1029 | |
| 1030 | if (phy->rev >= 2) { |
| 1031 | b43legacy_phy_write(dev, 0x0814, 0x0000); |
| 1032 | b43legacy_phy_write(dev, 0x0815, 0x0000); |
| 1033 | } |
| 1034 | if (phy->rev == 2) { |
| 1035 | b43legacy_phy_write(dev, 0x0811, 0x0000); |
| 1036 | b43legacy_phy_write(dev, 0x0015, 0x00C0); |
| 1037 | } |
| 1038 | if (phy->rev > 5) { |
| 1039 | b43legacy_phy_write(dev, 0x0811, 0x0400); |
| 1040 | b43legacy_phy_write(dev, 0x0015, 0x00C0); |
| 1041 | } |
| 1042 | if (phy->rev >= 2 || phy->gmode) { |
| 1043 | tmp = b43legacy_phy_read(dev, 0x0400) & 0xFF; |
| 1044 | if (tmp == 3 || tmp == 5) { |
| 1045 | b43legacy_phy_write(dev, 0x04C2, 0x1816); |
| 1046 | b43legacy_phy_write(dev, 0x04C3, 0x8006); |
| 1047 | if (tmp == 5) |
| 1048 | b43legacy_phy_write(dev, 0x04CC, |
| 1049 | (b43legacy_phy_read(dev, |
| 1050 | 0x04CC) & 0x00FF) | |
| 1051 | 0x1F00); |
| 1052 | } |
| 1053 | b43legacy_phy_write(dev, 0x047E, 0x0078); |
| 1054 | } |
| 1055 | if (phy->radio_rev == 8) { |
| 1056 | b43legacy_phy_write(dev, 0x0801, b43legacy_phy_read(dev, 0x0801) |
| 1057 | | 0x0080); |
| 1058 | b43legacy_phy_write(dev, 0x043E, b43legacy_phy_read(dev, 0x043E) |
| 1059 | | 0x0004); |
| 1060 | } |
| 1061 | if (phy->rev >= 2 && phy->gmode) |
| 1062 | b43legacy_calc_loopback_gain(dev); |
| 1063 | if (phy->radio_rev != 8) { |
| 1064 | if (phy->initval == 0xFFFF) |
| 1065 | phy->initval = b43legacy_radio_init2050(dev); |
| 1066 | else |
| 1067 | b43legacy_radio_write16(dev, 0x0078, phy->initval); |
| 1068 | } |
| 1069 | if (phy->txctl2 == 0xFFFF) |
| 1070 | b43legacy_phy_lo_g_measure(dev); |
| 1071 | else { |
| 1072 | if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) |
| 1073 | b43legacy_radio_write16(dev, 0x0052, |
| 1074 | (phy->txctl1 << 4) | |
| 1075 | phy->txctl2); |
| 1076 | else |
| 1077 | b43legacy_radio_write16(dev, 0x0052, |
| 1078 | (b43legacy_radio_read16(dev, |
| 1079 | 0x0052) & 0xFFF0) | |
| 1080 | phy->txctl1); |
| 1081 | if (phy->rev >= 6) |
| 1082 | b43legacy_phy_write(dev, 0x0036, |
| 1083 | (b43legacy_phy_read(dev, 0x0036) |
| 1084 | & 0x0FFF) | (phy->txctl2 << 12)); |
| 1085 | if (dev->dev->bus->sprom.r1.boardflags_lo & |
| 1086 | B43legacy_BFL_PACTRL) |
| 1087 | b43legacy_phy_write(dev, 0x002E, 0x8075); |
| 1088 | else |
| 1089 | b43legacy_phy_write(dev, 0x002E, 0x807F); |
| 1090 | if (phy->rev < 2) |
| 1091 | b43legacy_phy_write(dev, 0x002F, 0x0101); |
| 1092 | else |
| 1093 | b43legacy_phy_write(dev, 0x002F, 0x0202); |
| 1094 | } |
| 1095 | if (phy->gmode || phy->rev >= 2) { |
| 1096 | b43legacy_phy_lo_adjust(dev, 0); |
| 1097 | b43legacy_phy_write(dev, 0x080F, 0x8078); |
| 1098 | } |
| 1099 | |
| 1100 | if (!(dev->dev->bus->sprom.r1.boardflags_lo & B43legacy_BFL_RSSI)) { |
| 1101 | /* The specs state to update the NRSSI LT with |
| 1102 | * the value 0x7FFFFFFF here. I think that is some weird |
| 1103 | * compiler optimization in the original driver. |
| 1104 | * Essentially, what we do here is resetting all NRSSI LT |
| 1105 | * entries to -32 (see the limit_value() in nrssi_hw_update()) |
| 1106 | */ |
| 1107 | b43legacy_nrssi_hw_update(dev, 0xFFFF); |
| 1108 | b43legacy_calc_nrssi_threshold(dev); |
| 1109 | } else if (phy->gmode || phy->rev >= 2) { |
| 1110 | if (phy->nrssi[0] == -1000) { |
| 1111 | B43legacy_WARN_ON(phy->nrssi[1] != -1000); |
| 1112 | b43legacy_calc_nrssi_slope(dev); |
| 1113 | } else { |
| 1114 | B43legacy_WARN_ON(phy->nrssi[1] == -1000); |
| 1115 | b43legacy_calc_nrssi_threshold(dev); |
| 1116 | } |
| 1117 | } |
| 1118 | if (phy->radio_rev == 8) |
| 1119 | b43legacy_phy_write(dev, 0x0805, 0x3230); |
| 1120 | b43legacy_phy_init_pctl(dev); |
| 1121 | if (dev->dev->bus->chip_id == 0x4306 |
| 1122 | && dev->dev->bus->chip_package == 2) { |
| 1123 | b43legacy_phy_write(dev, 0x0429, |
| 1124 | b43legacy_phy_read(dev, 0x0429) & 0xBFFF); |
| 1125 | b43legacy_phy_write(dev, 0x04C3, |
| 1126 | b43legacy_phy_read(dev, 0x04C3) & 0x7FFF); |
| 1127 | } |
| 1128 | } |
| 1129 | |
| 1130 | static u16 b43legacy_phy_lo_b_r15_loop(struct b43legacy_wldev *dev) |
| 1131 | { |
| 1132 | int i; |
| 1133 | u16 ret = 0; |
| 1134 | unsigned long flags; |
| 1135 | |
| 1136 | local_irq_save(flags); |
| 1137 | for (i = 0; i < 10; i++) { |
| 1138 | b43legacy_phy_write(dev, 0x0015, 0xAFA0); |
| 1139 | udelay(1); |
| 1140 | b43legacy_phy_write(dev, 0x0015, 0xEFA0); |
| 1141 | udelay(10); |
| 1142 | b43legacy_phy_write(dev, 0x0015, 0xFFA0); |
| 1143 | udelay(40); |
| 1144 | ret += b43legacy_phy_read(dev, 0x002C); |
| 1145 | } |
| 1146 | local_irq_restore(flags); |
| 1147 | b43legacy_voluntary_preempt(); |
| 1148 | |
| 1149 | return ret; |
| 1150 | } |
| 1151 | |
| 1152 | void b43legacy_phy_lo_b_measure(struct b43legacy_wldev *dev) |
| 1153 | { |
| 1154 | struct b43legacy_phy *phy = &dev->phy; |
| 1155 | u16 regstack[12] = { 0 }; |
| 1156 | u16 mls; |
| 1157 | u16 fval; |
| 1158 | int i; |
| 1159 | int j; |
| 1160 | |
| 1161 | regstack[0] = b43legacy_phy_read(dev, 0x0015); |
| 1162 | regstack[1] = b43legacy_radio_read16(dev, 0x0052) & 0xFFF0; |
| 1163 | |
| 1164 | if (phy->radio_ver == 0x2053) { |
| 1165 | regstack[2] = b43legacy_phy_read(dev, 0x000A); |
| 1166 | regstack[3] = b43legacy_phy_read(dev, 0x002A); |
| 1167 | regstack[4] = b43legacy_phy_read(dev, 0x0035); |
| 1168 | regstack[5] = b43legacy_phy_read(dev, 0x0003); |
| 1169 | regstack[6] = b43legacy_phy_read(dev, 0x0001); |
| 1170 | regstack[7] = b43legacy_phy_read(dev, 0x0030); |
| 1171 | |
| 1172 | regstack[8] = b43legacy_radio_read16(dev, 0x0043); |
| 1173 | regstack[9] = b43legacy_radio_read16(dev, 0x007A); |
| 1174 | regstack[10] = b43legacy_read16(dev, 0x03EC); |
| 1175 | regstack[11] = b43legacy_radio_read16(dev, 0x0052) & 0x00F0; |
| 1176 | |
| 1177 | b43legacy_phy_write(dev, 0x0030, 0x00FF); |
| 1178 | b43legacy_write16(dev, 0x03EC, 0x3F3F); |
| 1179 | b43legacy_phy_write(dev, 0x0035, regstack[4] & 0xFF7F); |
| 1180 | b43legacy_radio_write16(dev, 0x007A, regstack[9] & 0xFFF0); |
| 1181 | } |
| 1182 | b43legacy_phy_write(dev, 0x0015, 0xB000); |
| 1183 | b43legacy_phy_write(dev, 0x002B, 0x0004); |
| 1184 | |
| 1185 | if (phy->radio_ver == 0x2053) { |
| 1186 | b43legacy_phy_write(dev, 0x002B, 0x0203); |
| 1187 | b43legacy_phy_write(dev, 0x002A, 0x08A3); |
| 1188 | } |
| 1189 | |
| 1190 | phy->minlowsig[0] = 0xFFFF; |
| 1191 | |
| 1192 | for (i = 0; i < 4; i++) { |
| 1193 | b43legacy_radio_write16(dev, 0x0052, regstack[1] | i); |
| 1194 | b43legacy_phy_lo_b_r15_loop(dev); |
| 1195 | } |
| 1196 | for (i = 0; i < 10; i++) { |
| 1197 | b43legacy_radio_write16(dev, 0x0052, regstack[1] | i); |
| 1198 | mls = b43legacy_phy_lo_b_r15_loop(dev) / 10; |
| 1199 | if (mls < phy->minlowsig[0]) { |
| 1200 | phy->minlowsig[0] = mls; |
| 1201 | phy->minlowsigpos[0] = i; |
| 1202 | } |
| 1203 | } |
| 1204 | b43legacy_radio_write16(dev, 0x0052, regstack[1] |
| 1205 | | phy->minlowsigpos[0]); |
| 1206 | |
| 1207 | phy->minlowsig[1] = 0xFFFF; |
| 1208 | |
| 1209 | for (i = -4; i < 5; i += 2) { |
| 1210 | for (j = -4; j < 5; j += 2) { |
| 1211 | if (j < 0) |
| 1212 | fval = (0x0100 * i) + j + 0x0100; |
| 1213 | else |
| 1214 | fval = (0x0100 * i) + j; |
| 1215 | b43legacy_phy_write(dev, 0x002F, fval); |
| 1216 | mls = b43legacy_phy_lo_b_r15_loop(dev) / 10; |
| 1217 | if (mls < phy->minlowsig[1]) { |
| 1218 | phy->minlowsig[1] = mls; |
| 1219 | phy->minlowsigpos[1] = fval; |
| 1220 | } |
| 1221 | } |
| 1222 | } |
| 1223 | phy->minlowsigpos[1] += 0x0101; |
| 1224 | |
| 1225 | b43legacy_phy_write(dev, 0x002F, phy->minlowsigpos[1]); |
| 1226 | if (phy->radio_ver == 0x2053) { |
| 1227 | b43legacy_phy_write(dev, 0x000A, regstack[2]); |
| 1228 | b43legacy_phy_write(dev, 0x002A, regstack[3]); |
| 1229 | b43legacy_phy_write(dev, 0x0035, regstack[4]); |
| 1230 | b43legacy_phy_write(dev, 0x0003, regstack[5]); |
| 1231 | b43legacy_phy_write(dev, 0x0001, regstack[6]); |
| 1232 | b43legacy_phy_write(dev, 0x0030, regstack[7]); |
| 1233 | |
| 1234 | b43legacy_radio_write16(dev, 0x0043, regstack[8]); |
| 1235 | b43legacy_radio_write16(dev, 0x007A, regstack[9]); |
| 1236 | |
| 1237 | b43legacy_radio_write16(dev, 0x0052, |
| 1238 | (b43legacy_radio_read16(dev, 0x0052) |
| 1239 | & 0x000F) | regstack[11]); |
| 1240 | |
| 1241 | b43legacy_write16(dev, 0x03EC, regstack[10]); |
| 1242 | } |
| 1243 | b43legacy_phy_write(dev, 0x0015, regstack[0]); |
| 1244 | } |
| 1245 | |
| 1246 | static inline |
| 1247 | u16 b43legacy_phy_lo_g_deviation_subval(struct b43legacy_wldev *dev, |
| 1248 | u16 control) |
| 1249 | { |
| 1250 | struct b43legacy_phy *phy = &dev->phy; |
| 1251 | u16 ret; |
| 1252 | unsigned long flags; |
| 1253 | |
| 1254 | local_irq_save(flags); |
| 1255 | if (phy->gmode) { |
| 1256 | b43legacy_phy_write(dev, 0x15, 0xE300); |
| 1257 | control <<= 8; |
| 1258 | b43legacy_phy_write(dev, 0x0812, control | 0x00B0); |
| 1259 | udelay(5); |
| 1260 | b43legacy_phy_write(dev, 0x0812, control | 0x00B2); |
| 1261 | udelay(2); |
| 1262 | b43legacy_phy_write(dev, 0x0812, control | 0x00B3); |
| 1263 | udelay(4); |
| 1264 | b43legacy_phy_write(dev, 0x0015, 0xF300); |
| 1265 | udelay(8); |
| 1266 | } else { |
| 1267 | b43legacy_phy_write(dev, 0x0015, control | 0xEFA0); |
| 1268 | udelay(2); |
| 1269 | b43legacy_phy_write(dev, 0x0015, control | 0xEFE0); |
| 1270 | udelay(4); |
| 1271 | b43legacy_phy_write(dev, 0x0015, control | 0xFFE0); |
| 1272 | udelay(8); |
| 1273 | } |
| 1274 | ret = b43legacy_phy_read(dev, 0x002D); |
| 1275 | local_irq_restore(flags); |
| 1276 | b43legacy_voluntary_preempt(); |
| 1277 | |
| 1278 | return ret; |
| 1279 | } |
| 1280 | |
| 1281 | static u32 b43legacy_phy_lo_g_singledeviation(struct b43legacy_wldev *dev, |
| 1282 | u16 control) |
| 1283 | { |
| 1284 | int i; |
| 1285 | u32 ret = 0; |
| 1286 | |
| 1287 | for (i = 0; i < 8; i++) |
| 1288 | ret += b43legacy_phy_lo_g_deviation_subval(dev, control); |
| 1289 | |
| 1290 | return ret; |
| 1291 | } |
| 1292 | |
| 1293 | /* Write the LocalOscillator CONTROL */ |
| 1294 | static inline |
| 1295 | void b43legacy_lo_write(struct b43legacy_wldev *dev, |
| 1296 | struct b43legacy_lopair *pair) |
| 1297 | { |
| 1298 | u16 value; |
| 1299 | |
| 1300 | value = (u8)(pair->low); |
| 1301 | value |= ((u8)(pair->high)) << 8; |
| 1302 | |
| 1303 | #ifdef CONFIG_B43LEGACY_DEBUG |
| 1304 | /* Sanity check. */ |
| 1305 | if (pair->low < -8 || pair->low > 8 || |
| 1306 | pair->high < -8 || pair->high > 8) { |
| 1307 | struct b43legacy_phy *phy = &dev->phy; |
| 1308 | b43legacydbg(dev->wl, |
| 1309 | "WARNING: Writing invalid LOpair " |
| 1310 | "(low: %d, high: %d, index: %lu)\n", |
| 1311 | pair->low, pair->high, |
| 1312 | (unsigned long)(pair - phy->_lo_pairs)); |
| 1313 | dump_stack(); |
| 1314 | } |
| 1315 | #endif |
| 1316 | |
| 1317 | b43legacy_phy_write(dev, B43legacy_PHY_G_LO_CONTROL, value); |
| 1318 | } |
| 1319 | |
| 1320 | static inline |
| 1321 | struct b43legacy_lopair *b43legacy_find_lopair(struct b43legacy_wldev *dev, |
| 1322 | u16 bbatt, |
| 1323 | u16 rfatt, |
| 1324 | u16 tx) |
| 1325 | { |
| 1326 | static const u8 dict[10] = { 11, 10, 11, 12, 13, 12, 13, 12, 13, 12 }; |
| 1327 | struct b43legacy_phy *phy = &dev->phy; |
| 1328 | |
| 1329 | if (bbatt > 6) |
| 1330 | bbatt = 6; |
| 1331 | B43legacy_WARN_ON(rfatt >= 10); |
| 1332 | |
| 1333 | if (tx == 3) |
| 1334 | return b43legacy_get_lopair(phy, rfatt, bbatt); |
| 1335 | return b43legacy_get_lopair(phy, dict[rfatt], bbatt); |
| 1336 | } |
| 1337 | |
| 1338 | static inline |
| 1339 | struct b43legacy_lopair *b43legacy_current_lopair(struct b43legacy_wldev *dev) |
| 1340 | { |
| 1341 | struct b43legacy_phy *phy = &dev->phy; |
| 1342 | |
| 1343 | return b43legacy_find_lopair(dev, phy->bbatt, |
| 1344 | phy->rfatt, phy->txctl1); |
| 1345 | } |
| 1346 | |
| 1347 | /* Adjust B/G LO */ |
| 1348 | void b43legacy_phy_lo_adjust(struct b43legacy_wldev *dev, int fixed) |
| 1349 | { |
| 1350 | struct b43legacy_lopair *pair; |
| 1351 | |
| 1352 | if (fixed) { |
| 1353 | /* Use fixed values. Only for initialization. */ |
| 1354 | pair = b43legacy_find_lopair(dev, 2, 3, 0); |
| 1355 | } else |
| 1356 | pair = b43legacy_current_lopair(dev); |
| 1357 | b43legacy_lo_write(dev, pair); |
| 1358 | } |
| 1359 | |
| 1360 | static void b43legacy_phy_lo_g_measure_txctl2(struct b43legacy_wldev *dev) |
| 1361 | { |
| 1362 | struct b43legacy_phy *phy = &dev->phy; |
| 1363 | u16 txctl2 = 0; |
| 1364 | u16 i; |
| 1365 | u32 smallest; |
| 1366 | u32 tmp; |
| 1367 | |
| 1368 | b43legacy_radio_write16(dev, 0x0052, 0x0000); |
| 1369 | udelay(10); |
| 1370 | smallest = b43legacy_phy_lo_g_singledeviation(dev, 0); |
| 1371 | for (i = 0; i < 16; i++) { |
| 1372 | b43legacy_radio_write16(dev, 0x0052, i); |
| 1373 | udelay(10); |
| 1374 | tmp = b43legacy_phy_lo_g_singledeviation(dev, 0); |
| 1375 | if (tmp < smallest) { |
| 1376 | smallest = tmp; |
| 1377 | txctl2 = i; |
| 1378 | } |
| 1379 | } |
| 1380 | phy->txctl2 = txctl2; |
| 1381 | } |
| 1382 | |
| 1383 | static |
| 1384 | void b43legacy_phy_lo_g_state(struct b43legacy_wldev *dev, |
| 1385 | const struct b43legacy_lopair *in_pair, |
| 1386 | struct b43legacy_lopair *out_pair, |
| 1387 | u16 r27) |
| 1388 | { |
| 1389 | static const struct b43legacy_lopair transitions[8] = { |
| 1390 | { .high = 1, .low = 1, }, |
| 1391 | { .high = 1, .low = 0, }, |
| 1392 | { .high = 1, .low = -1, }, |
| 1393 | { .high = 0, .low = -1, }, |
| 1394 | { .high = -1, .low = -1, }, |
| 1395 | { .high = -1, .low = 0, }, |
| 1396 | { .high = -1, .low = 1, }, |
| 1397 | { .high = 0, .low = 1, }, |
| 1398 | }; |
| 1399 | struct b43legacy_lopair lowest_transition = { |
| 1400 | .high = in_pair->high, |
| 1401 | .low = in_pair->low, |
| 1402 | }; |
| 1403 | struct b43legacy_lopair tmp_pair; |
| 1404 | struct b43legacy_lopair transition; |
| 1405 | int i = 12; |
| 1406 | int state = 0; |
| 1407 | int found_lower; |
| 1408 | int j; |
| 1409 | int begin; |
| 1410 | int end; |
| 1411 | u32 lowest_deviation; |
| 1412 | u32 tmp; |
| 1413 | |
| 1414 | /* Note that in_pair and out_pair can point to the same pair. |
| 1415 | * Be careful. */ |
| 1416 | |
| 1417 | b43legacy_lo_write(dev, &lowest_transition); |
| 1418 | lowest_deviation = b43legacy_phy_lo_g_singledeviation(dev, r27); |
| 1419 | do { |
| 1420 | found_lower = 0; |
| 1421 | B43legacy_WARN_ON(!(state >= 0 && state <= 8)); |
| 1422 | if (state == 0) { |
| 1423 | begin = 1; |
| 1424 | end = 8; |
| 1425 | } else if (state % 2 == 0) { |
| 1426 | begin = state - 1; |
| 1427 | end = state + 1; |
| 1428 | } else { |
| 1429 | begin = state - 2; |
| 1430 | end = state + 2; |
| 1431 | } |
| 1432 | if (begin < 1) |
| 1433 | begin += 8; |
| 1434 | if (end > 8) |
| 1435 | end -= 8; |
| 1436 | |
| 1437 | j = begin; |
| 1438 | tmp_pair.high = lowest_transition.high; |
| 1439 | tmp_pair.low = lowest_transition.low; |
| 1440 | while (1) { |
| 1441 | B43legacy_WARN_ON(!(j >= 1 && j <= 8)); |
| 1442 | transition.high = tmp_pair.high + |
| 1443 | transitions[j - 1].high; |
| 1444 | transition.low = tmp_pair.low + transitions[j - 1].low; |
| 1445 | if ((abs(transition.low) < 9) |
| 1446 | && (abs(transition.high) < 9)) { |
| 1447 | b43legacy_lo_write(dev, &transition); |
| 1448 | tmp = b43legacy_phy_lo_g_singledeviation(dev, |
| 1449 | r27); |
| 1450 | if (tmp < lowest_deviation) { |
| 1451 | lowest_deviation = tmp; |
| 1452 | state = j; |
| 1453 | found_lower = 1; |
| 1454 | |
| 1455 | lowest_transition.high = |
| 1456 | transition.high; |
| 1457 | lowest_transition.low = transition.low; |
| 1458 | } |
| 1459 | } |
| 1460 | if (j == end) |
| 1461 | break; |
| 1462 | if (j == 8) |
| 1463 | j = 1; |
| 1464 | else |
| 1465 | j++; |
| 1466 | } |
| 1467 | } while (i-- && found_lower); |
| 1468 | |
| 1469 | out_pair->high = lowest_transition.high; |
| 1470 | out_pair->low = lowest_transition.low; |
| 1471 | } |
| 1472 | |
| 1473 | /* Set the baseband attenuation value on chip. */ |
| 1474 | void b43legacy_phy_set_baseband_attenuation(struct b43legacy_wldev *dev, |
| 1475 | u16 bbatt) |
| 1476 | { |
| 1477 | struct b43legacy_phy *phy = &dev->phy; |
| 1478 | u16 value; |
| 1479 | |
| 1480 | if (phy->analog == 0) { |
| 1481 | value = (b43legacy_read16(dev, 0x03E6) & 0xFFF0); |
| 1482 | value |= (bbatt & 0x000F); |
| 1483 | b43legacy_write16(dev, 0x03E6, value); |
| 1484 | return; |
| 1485 | } |
| 1486 | |
| 1487 | if (phy->analog > 1) { |
| 1488 | value = b43legacy_phy_read(dev, 0x0060) & 0xFFC3; |
| 1489 | value |= (bbatt << 2) & 0x003C; |
| 1490 | } else { |
| 1491 | value = b43legacy_phy_read(dev, 0x0060) & 0xFF87; |
| 1492 | value |= (bbatt << 3) & 0x0078; |
| 1493 | } |
| 1494 | b43legacy_phy_write(dev, 0x0060, value); |
| 1495 | } |
| 1496 | |
| 1497 | /* http://bcm-specs.sipsolutions.net/LocalOscillator/Measure */ |
| 1498 | void b43legacy_phy_lo_g_measure(struct b43legacy_wldev *dev) |
| 1499 | { |
| 1500 | static const u8 pairorder[10] = { 3, 1, 5, 7, 9, 2, 0, 4, 6, 8 }; |
| 1501 | const int is_initializing = (b43legacy_status(dev) |
| 1502 | < B43legacy_STAT_STARTED); |
| 1503 | struct b43legacy_phy *phy = &dev->phy; |
| 1504 | u16 h; |
| 1505 | u16 i; |
| 1506 | u16 oldi = 0; |
| 1507 | u16 j; |
| 1508 | struct b43legacy_lopair control; |
| 1509 | struct b43legacy_lopair *tmp_control; |
| 1510 | u16 tmp; |
| 1511 | u16 regstack[16] = { 0 }; |
| 1512 | u8 oldchannel; |
| 1513 | |
| 1514 | /* XXX: What are these? */ |
| 1515 | u8 r27 = 0; |
| 1516 | u16 r31; |
| 1517 | |
| 1518 | oldchannel = phy->channel; |
| 1519 | /* Setup */ |
| 1520 | if (phy->gmode) { |
| 1521 | regstack[0] = b43legacy_phy_read(dev, B43legacy_PHY_G_CRS); |
| 1522 | regstack[1] = b43legacy_phy_read(dev, 0x0802); |
| 1523 | b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, regstack[0] |
| 1524 | & 0x7FFF); |
| 1525 | b43legacy_phy_write(dev, 0x0802, regstack[1] & 0xFFFC); |
| 1526 | } |
| 1527 | regstack[3] = b43legacy_read16(dev, 0x03E2); |
| 1528 | b43legacy_write16(dev, 0x03E2, regstack[3] | 0x8000); |
| 1529 | regstack[4] = b43legacy_read16(dev, B43legacy_MMIO_CHANNEL_EXT); |
| 1530 | regstack[5] = b43legacy_phy_read(dev, 0x15); |
| 1531 | regstack[6] = b43legacy_phy_read(dev, 0x2A); |
| 1532 | regstack[7] = b43legacy_phy_read(dev, 0x35); |
| 1533 | regstack[8] = b43legacy_phy_read(dev, 0x60); |
| 1534 | regstack[9] = b43legacy_radio_read16(dev, 0x43); |
| 1535 | regstack[10] = b43legacy_radio_read16(dev, 0x7A); |
| 1536 | regstack[11] = b43legacy_radio_read16(dev, 0x52); |
| 1537 | if (phy->gmode) { |
| 1538 | regstack[12] = b43legacy_phy_read(dev, 0x0811); |
| 1539 | regstack[13] = b43legacy_phy_read(dev, 0x0812); |
| 1540 | regstack[14] = b43legacy_phy_read(dev, 0x0814); |
| 1541 | regstack[15] = b43legacy_phy_read(dev, 0x0815); |
| 1542 | } |
| 1543 | b43legacy_radio_selectchannel(dev, 6, 0); |
| 1544 | if (phy->gmode) { |
| 1545 | b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, regstack[0] |
| 1546 | & 0x7FFF); |
| 1547 | b43legacy_phy_write(dev, 0x0802, regstack[1] & 0xFFFC); |
| 1548 | b43legacy_dummy_transmission(dev); |
| 1549 | } |
| 1550 | b43legacy_radio_write16(dev, 0x0043, 0x0006); |
| 1551 | |
| 1552 | b43legacy_phy_set_baseband_attenuation(dev, 2); |
| 1553 | |
| 1554 | b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, 0x0000); |
| 1555 | b43legacy_phy_write(dev, 0x002E, 0x007F); |
| 1556 | b43legacy_phy_write(dev, 0x080F, 0x0078); |
| 1557 | b43legacy_phy_write(dev, 0x0035, regstack[7] & ~(1 << 7)); |
| 1558 | b43legacy_radio_write16(dev, 0x007A, regstack[10] & 0xFFF0); |
| 1559 | b43legacy_phy_write(dev, 0x002B, 0x0203); |
| 1560 | b43legacy_phy_write(dev, 0x002A, 0x08A3); |
| 1561 | if (phy->gmode) { |
| 1562 | b43legacy_phy_write(dev, 0x0814, regstack[14] | 0x0003); |
| 1563 | b43legacy_phy_write(dev, 0x0815, regstack[15] & 0xFFFC); |
| 1564 | b43legacy_phy_write(dev, 0x0811, 0x01B3); |
| 1565 | b43legacy_phy_write(dev, 0x0812, 0x00B2); |
| 1566 | } |
| 1567 | if (is_initializing) |
| 1568 | b43legacy_phy_lo_g_measure_txctl2(dev); |
| 1569 | b43legacy_phy_write(dev, 0x080F, 0x8078); |
| 1570 | |
| 1571 | /* Measure */ |
| 1572 | control.low = 0; |
| 1573 | control.high = 0; |
| 1574 | for (h = 0; h < 10; h++) { |
| 1575 | /* Loop over each possible RadioAttenuation (0-9) */ |
| 1576 | i = pairorder[h]; |
| 1577 | if (is_initializing) { |
| 1578 | if (i == 3) { |
| 1579 | control.low = 0; |
| 1580 | control.high = 0; |
| 1581 | } else if (((i % 2 == 1) && (oldi % 2 == 1)) || |
| 1582 | ((i % 2 == 0) && (oldi % 2 == 0))) { |
| 1583 | tmp_control = b43legacy_get_lopair(phy, oldi, |
| 1584 | 0); |
| 1585 | memcpy(&control, tmp_control, sizeof(control)); |
| 1586 | } else { |
| 1587 | tmp_control = b43legacy_get_lopair(phy, 3, 0); |
| 1588 | memcpy(&control, tmp_control, sizeof(control)); |
| 1589 | } |
| 1590 | } |
| 1591 | /* Loop over each possible BasebandAttenuation/2 */ |
| 1592 | for (j = 0; j < 4; j++) { |
| 1593 | if (is_initializing) { |
| 1594 | tmp = i * 2 + j; |
| 1595 | r27 = 0; |
| 1596 | r31 = 0; |
| 1597 | if (tmp > 14) { |
| 1598 | r31 = 1; |
| 1599 | if (tmp > 17) |
| 1600 | r27 = 1; |
| 1601 | if (tmp > 19) |
| 1602 | r27 = 2; |
| 1603 | } |
| 1604 | } else { |
| 1605 | tmp_control = b43legacy_get_lopair(phy, i, |
| 1606 | j * 2); |
| 1607 | if (!tmp_control->used) |
| 1608 | continue; |
| 1609 | memcpy(&control, tmp_control, sizeof(control)); |
| 1610 | r27 = 3; |
| 1611 | r31 = 0; |
| 1612 | } |
| 1613 | b43legacy_radio_write16(dev, 0x43, i); |
| 1614 | b43legacy_radio_write16(dev, 0x52, phy->txctl2); |
| 1615 | udelay(10); |
| 1616 | b43legacy_voluntary_preempt(); |
| 1617 | |
| 1618 | b43legacy_phy_set_baseband_attenuation(dev, j * 2); |
| 1619 | |
| 1620 | tmp = (regstack[10] & 0xFFF0); |
| 1621 | if (r31) |
| 1622 | tmp |= 0x0008; |
| 1623 | b43legacy_radio_write16(dev, 0x007A, tmp); |
| 1624 | |
| 1625 | tmp_control = b43legacy_get_lopair(phy, i, j * 2); |
| 1626 | b43legacy_phy_lo_g_state(dev, &control, tmp_control, |
| 1627 | r27); |
| 1628 | } |
| 1629 | oldi = i; |
| 1630 | } |
| 1631 | /* Loop over each possible RadioAttenuation (10-13) */ |
| 1632 | for (i = 10; i < 14; i++) { |
| 1633 | /* Loop over each possible BasebandAttenuation/2 */ |
| 1634 | for (j = 0; j < 4; j++) { |
| 1635 | if (is_initializing) { |
| 1636 | tmp_control = b43legacy_get_lopair(phy, i - 9, |
| 1637 | j * 2); |
| 1638 | memcpy(&control, tmp_control, sizeof(control)); |
| 1639 | /* FIXME: The next line is wrong, as the |
| 1640 | * following if statement can never trigger. */ |
| 1641 | tmp = (i - 9) * 2 + j - 5; |
| 1642 | r27 = 0; |
| 1643 | r31 = 0; |
| 1644 | if (tmp > 14) { |
| 1645 | r31 = 1; |
| 1646 | if (tmp > 17) |
| 1647 | r27 = 1; |
| 1648 | if (tmp > 19) |
| 1649 | r27 = 2; |
| 1650 | } |
| 1651 | } else { |
| 1652 | tmp_control = b43legacy_get_lopair(phy, i - 9, |
| 1653 | j * 2); |
| 1654 | if (!tmp_control->used) |
| 1655 | continue; |
| 1656 | memcpy(&control, tmp_control, sizeof(control)); |
| 1657 | r27 = 3; |
| 1658 | r31 = 0; |
| 1659 | } |
| 1660 | b43legacy_radio_write16(dev, 0x43, i - 9); |
| 1661 | /* FIXME: shouldn't txctl1 be zero in the next line |
| 1662 | * and 3 in the loop above? */ |
| 1663 | b43legacy_radio_write16(dev, 0x52, |
| 1664 | phy->txctl2 |
| 1665 | | (3/*txctl1*/ << 4)); |
| 1666 | udelay(10); |
| 1667 | b43legacy_voluntary_preempt(); |
| 1668 | |
| 1669 | b43legacy_phy_set_baseband_attenuation(dev, j * 2); |
| 1670 | |
| 1671 | tmp = (regstack[10] & 0xFFF0); |
| 1672 | if (r31) |
| 1673 | tmp |= 0x0008; |
| 1674 | b43legacy_radio_write16(dev, 0x7A, tmp); |
| 1675 | |
| 1676 | tmp_control = b43legacy_get_lopair(phy, i, j * 2); |
| 1677 | b43legacy_phy_lo_g_state(dev, &control, tmp_control, |
| 1678 | r27); |
| 1679 | } |
| 1680 | } |
| 1681 | |
| 1682 | /* Restoration */ |
| 1683 | if (phy->gmode) { |
| 1684 | b43legacy_phy_write(dev, 0x0015, 0xE300); |
| 1685 | b43legacy_phy_write(dev, 0x0812, (r27 << 8) | 0xA0); |
| 1686 | udelay(5); |
| 1687 | b43legacy_phy_write(dev, 0x0812, (r27 << 8) | 0xA2); |
| 1688 | udelay(2); |
| 1689 | b43legacy_phy_write(dev, 0x0812, (r27 << 8) | 0xA3); |
| 1690 | b43legacy_voluntary_preempt(); |
| 1691 | } else |
| 1692 | b43legacy_phy_write(dev, 0x0015, r27 | 0xEFA0); |
| 1693 | b43legacy_phy_lo_adjust(dev, is_initializing); |
| 1694 | b43legacy_phy_write(dev, 0x002E, 0x807F); |
| 1695 | if (phy->gmode) |
| 1696 | b43legacy_phy_write(dev, 0x002F, 0x0202); |
| 1697 | else |
| 1698 | b43legacy_phy_write(dev, 0x002F, 0x0101); |
| 1699 | b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, regstack[4]); |
| 1700 | b43legacy_phy_write(dev, 0x0015, regstack[5]); |
| 1701 | b43legacy_phy_write(dev, 0x002A, regstack[6]); |
| 1702 | b43legacy_phy_write(dev, 0x0035, regstack[7]); |
| 1703 | b43legacy_phy_write(dev, 0x0060, regstack[8]); |
| 1704 | b43legacy_radio_write16(dev, 0x0043, regstack[9]); |
| 1705 | b43legacy_radio_write16(dev, 0x007A, regstack[10]); |
| 1706 | regstack[11] &= 0x00F0; |
| 1707 | regstack[11] |= (b43legacy_radio_read16(dev, 0x52) & 0x000F); |
| 1708 | b43legacy_radio_write16(dev, 0x52, regstack[11]); |
| 1709 | b43legacy_write16(dev, 0x03E2, regstack[3]); |
| 1710 | if (phy->gmode) { |
| 1711 | b43legacy_phy_write(dev, 0x0811, regstack[12]); |
| 1712 | b43legacy_phy_write(dev, 0x0812, regstack[13]); |
| 1713 | b43legacy_phy_write(dev, 0x0814, regstack[14]); |
| 1714 | b43legacy_phy_write(dev, 0x0815, regstack[15]); |
| 1715 | b43legacy_phy_write(dev, B43legacy_PHY_G_CRS, regstack[0]); |
| 1716 | b43legacy_phy_write(dev, 0x0802, regstack[1]); |
| 1717 | } |
| 1718 | b43legacy_radio_selectchannel(dev, oldchannel, 1); |
| 1719 | |
| 1720 | #ifdef CONFIG_B43LEGACY_DEBUG |
| 1721 | { |
| 1722 | /* Sanity check for all lopairs. */ |
| 1723 | for (i = 0; i < B43legacy_LO_COUNT; i++) { |
| 1724 | tmp_control = phy->_lo_pairs + i; |
| 1725 | if (tmp_control->low < -8 || tmp_control->low > 8 || |
| 1726 | tmp_control->high < -8 || tmp_control->high > 8) |
| 1727 | b43legacywarn(dev->wl, |
| 1728 | "WARNING: Invalid LOpair (low: %d, high:" |
| 1729 | " %d, index: %d)\n", |
| 1730 | tmp_control->low, tmp_control->high, i); |
| 1731 | } |
| 1732 | } |
| 1733 | #endif /* CONFIG_B43LEGACY_DEBUG */ |
| 1734 | } |
| 1735 | |
| 1736 | static |
| 1737 | void b43legacy_phy_lo_mark_current_used(struct b43legacy_wldev *dev) |
| 1738 | { |
| 1739 | struct b43legacy_lopair *pair; |
| 1740 | |
| 1741 | pair = b43legacy_current_lopair(dev); |
| 1742 | pair->used = 1; |
| 1743 | } |
| 1744 | |
| 1745 | void b43legacy_phy_lo_mark_all_unused(struct b43legacy_wldev *dev) |
| 1746 | { |
| 1747 | struct b43legacy_phy *phy = &dev->phy; |
| 1748 | struct b43legacy_lopair *pair; |
| 1749 | int i; |
| 1750 | |
| 1751 | for (i = 0; i < B43legacy_LO_COUNT; i++) { |
| 1752 | pair = phy->_lo_pairs + i; |
| 1753 | pair->used = 0; |
| 1754 | } |
| 1755 | } |
| 1756 | |
| 1757 | /* http://bcm-specs.sipsolutions.net/EstimatePowerOut |
| 1758 | * This function converts a TSSI value to dBm in Q5.2 |
| 1759 | */ |
| 1760 | static s8 b43legacy_phy_estimate_power_out(struct b43legacy_wldev *dev, s8 tssi) |
| 1761 | { |
| 1762 | struct b43legacy_phy *phy = &dev->phy; |
| 1763 | s8 dbm = 0; |
| 1764 | s32 tmp; |
| 1765 | |
| 1766 | tmp = phy->idle_tssi; |
| 1767 | tmp += tssi; |
| 1768 | tmp -= phy->savedpctlreg; |
| 1769 | |
| 1770 | switch (phy->type) { |
| 1771 | case B43legacy_PHYTYPE_B: |
| 1772 | case B43legacy_PHYTYPE_G: |
| 1773 | tmp = limit_value(tmp, 0x00, 0x3F); |
| 1774 | dbm = phy->tssi2dbm[tmp]; |
| 1775 | break; |
| 1776 | default: |
| 1777 | B43legacy_BUG_ON(1); |
| 1778 | } |
| 1779 | |
| 1780 | return dbm; |
| 1781 | } |
| 1782 | |
| 1783 | /* http://bcm-specs.sipsolutions.net/RecalculateTransmissionPower */ |
| 1784 | void b43legacy_phy_xmitpower(struct b43legacy_wldev *dev) |
| 1785 | { |
| 1786 | struct b43legacy_phy *phy = &dev->phy; |
| 1787 | u16 tmp; |
| 1788 | u16 txpower; |
| 1789 | s8 v0; |
| 1790 | s8 v1; |
| 1791 | s8 v2; |
| 1792 | s8 v3; |
| 1793 | s8 average; |
| 1794 | int max_pwr; |
| 1795 | s16 desired_pwr; |
| 1796 | s16 estimated_pwr; |
| 1797 | s16 pwr_adjust; |
| 1798 | s16 radio_att_delta; |
| 1799 | s16 baseband_att_delta; |
| 1800 | s16 radio_attenuation; |
| 1801 | s16 baseband_attenuation; |
| 1802 | unsigned long phylock_flags; |
| 1803 | |
| 1804 | if (phy->savedpctlreg == 0xFFFF) |
| 1805 | return; |
| 1806 | if ((dev->dev->bus->boardinfo.type == 0x0416) && |
| 1807 | is_bcm_board_vendor(dev)) |
| 1808 | return; |
| 1809 | #ifdef CONFIG_B43LEGACY_DEBUG |
| 1810 | if (phy->manual_txpower_control) |
| 1811 | return; |
| 1812 | #endif |
| 1813 | |
| 1814 | B43legacy_BUG_ON(!(phy->type == B43legacy_PHYTYPE_B || |
| 1815 | phy->type == B43legacy_PHYTYPE_G)); |
| 1816 | tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x0058); |
| 1817 | v0 = (s8)(tmp & 0x00FF); |
| 1818 | v1 = (s8)((tmp & 0xFF00) >> 8); |
| 1819 | tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x005A); |
| 1820 | v2 = (s8)(tmp & 0x00FF); |
| 1821 | v3 = (s8)((tmp & 0xFF00) >> 8); |
| 1822 | tmp = 0; |
| 1823 | |
| 1824 | if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) { |
| 1825 | tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, |
| 1826 | 0x0070); |
| 1827 | v0 = (s8)(tmp & 0x00FF); |
| 1828 | v1 = (s8)((tmp & 0xFF00) >> 8); |
| 1829 | tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, |
| 1830 | 0x0072); |
| 1831 | v2 = (s8)(tmp & 0x00FF); |
| 1832 | v3 = (s8)((tmp & 0xFF00) >> 8); |
| 1833 | if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) |
| 1834 | return; |
| 1835 | v0 = (v0 + 0x20) & 0x3F; |
| 1836 | v1 = (v1 + 0x20) & 0x3F; |
| 1837 | v2 = (v2 + 0x20) & 0x3F; |
| 1838 | v3 = (v3 + 0x20) & 0x3F; |
| 1839 | tmp = 1; |
| 1840 | } |
| 1841 | b43legacy_radio_clear_tssi(dev); |
| 1842 | |
| 1843 | average = (v0 + v1 + v2 + v3 + 2) / 4; |
| 1844 | |
| 1845 | if (tmp && (b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x005E) |
| 1846 | & 0x8)) |
| 1847 | average -= 13; |
| 1848 | |
| 1849 | estimated_pwr = b43legacy_phy_estimate_power_out(dev, average); |
| 1850 | |
| 1851 | max_pwr = dev->dev->bus->sprom.r1.maxpwr_bg; |
| 1852 | |
| 1853 | if ((dev->dev->bus->sprom.r1.boardflags_lo |
| 1854 | & B43legacy_BFL_PACTRL) && |
| 1855 | (phy->type == B43legacy_PHYTYPE_G)) |
| 1856 | max_pwr -= 0x3; |
| 1857 | if (unlikely(max_pwr <= 0)) { |
| 1858 | b43legacywarn(dev->wl, "Invalid max-TX-power value in SPROM." |
| 1859 | "\n"); |
| 1860 | max_pwr = 74; /* fake it */ |
| 1861 | dev->dev->bus->sprom.r1.maxpwr_bg = max_pwr; |
| 1862 | } |
| 1863 | |
| 1864 | /* Use regulatory information to get the maximum power. |
| 1865 | * In the absence of such data from mac80211, we will use 20 dBm, which |
| 1866 | * is the value for the EU, US, Canada, and most of the world. |
| 1867 | * The regulatory maximum is reduced by the antenna gain (from sprom) |
| 1868 | * and 1.5 dBm (a safety factor??). The result is in Q5.2 format |
| 1869 | * which accounts for the factor of 4 */ |
| 1870 | #define REG_MAX_PWR 20 |
| 1871 | max_pwr = min(REG_MAX_PWR * 4 - dev->dev->bus->sprom.r1.antenna_gain_bg |
| 1872 | - 0x6, max_pwr); |
| 1873 | |
| 1874 | /* find the desired power in Q5.2 - power_level is in dBm |
| 1875 | * and limit it - max_pwr is already in Q5.2 */ |
| 1876 | desired_pwr = limit_value(phy->power_level << 2, 0, max_pwr); |
| 1877 | if (b43legacy_debug(dev, B43legacy_DBG_XMITPOWER)) |
| 1878 | b43legacydbg(dev->wl, "Current TX power output: " Q52_FMT |
| 1879 | " dBm, Desired TX power output: " Q52_FMT |
| 1880 | " dBm\n", Q52_ARG(estimated_pwr), |
| 1881 | Q52_ARG(desired_pwr)); |
| 1882 | /* Check if we need to adjust the current power. The factor of 2 is |
| 1883 | * for damping */ |
| 1884 | pwr_adjust = (desired_pwr - estimated_pwr) / 2; |
| 1885 | /* RF attenuation delta |
| 1886 | * The minus sign is because lower attenuation => more power */ |
| 1887 | radio_att_delta = -(pwr_adjust + 7) >> 3; |
| 1888 | /* Baseband attenuation delta */ |
| 1889 | baseband_att_delta = -(pwr_adjust >> 1) - (4 * radio_att_delta); |
| 1890 | /* Do we need to adjust anything? */ |
| 1891 | if ((radio_att_delta == 0) && (baseband_att_delta == 0)) { |
| 1892 | b43legacy_phy_lo_mark_current_used(dev); |
| 1893 | return; |
| 1894 | } |
| 1895 | |
| 1896 | /* Calculate the new attenuation values. */ |
| 1897 | baseband_attenuation = phy->bbatt; |
| 1898 | baseband_attenuation += baseband_att_delta; |
| 1899 | radio_attenuation = phy->rfatt; |
| 1900 | radio_attenuation += radio_att_delta; |
| 1901 | |
| 1902 | /* Get baseband and radio attenuation values into permitted ranges. |
| 1903 | * baseband 0-11, radio 0-9. |
| 1904 | * Radio attenuation affects power level 4 times as much as baseband. |
| 1905 | */ |
| 1906 | if (radio_attenuation < 0) { |
| 1907 | baseband_attenuation -= (4 * -radio_attenuation); |
| 1908 | radio_attenuation = 0; |
| 1909 | } else if (radio_attenuation > 9) { |
| 1910 | baseband_attenuation += (4 * (radio_attenuation - 9)); |
| 1911 | radio_attenuation = 9; |
| 1912 | } else { |
| 1913 | while (baseband_attenuation < 0 && radio_attenuation > 0) { |
| 1914 | baseband_attenuation += 4; |
| 1915 | radio_attenuation--; |
| 1916 | } |
| 1917 | while (baseband_attenuation > 11 && radio_attenuation < 9) { |
| 1918 | baseband_attenuation -= 4; |
| 1919 | radio_attenuation++; |
| 1920 | } |
| 1921 | } |
| 1922 | baseband_attenuation = limit_value(baseband_attenuation, 0, 11); |
| 1923 | |
| 1924 | txpower = phy->txctl1; |
| 1925 | if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 2)) { |
| 1926 | if (radio_attenuation <= 1) { |
| 1927 | if (txpower == 0) { |
| 1928 | txpower = 3; |
| 1929 | radio_attenuation += 2; |
| 1930 | baseband_attenuation += 2; |
| 1931 | } else if (dev->dev->bus->sprom.r1.boardflags_lo |
| 1932 | & B43legacy_BFL_PACTRL) { |
| 1933 | baseband_attenuation += 4 * |
| 1934 | (radio_attenuation - 2); |
| 1935 | radio_attenuation = 2; |
| 1936 | } |
| 1937 | } else if (radio_attenuation > 4 && txpower != 0) { |
| 1938 | txpower = 0; |
| 1939 | if (baseband_attenuation < 3) { |
| 1940 | radio_attenuation -= 3; |
| 1941 | baseband_attenuation += 2; |
| 1942 | } else { |
| 1943 | radio_attenuation -= 2; |
| 1944 | baseband_attenuation -= 2; |
| 1945 | } |
| 1946 | } |
| 1947 | } |
| 1948 | /* Save the control values */ |
| 1949 | phy->txctl1 = txpower; |
| 1950 | baseband_attenuation = limit_value(baseband_attenuation, 0, 11); |
| 1951 | radio_attenuation = limit_value(radio_attenuation, 0, 9); |
| 1952 | phy->rfatt = radio_attenuation; |
| 1953 | phy->bbatt = baseband_attenuation; |
| 1954 | |
| 1955 | /* Adjust the hardware */ |
| 1956 | b43legacy_phy_lock(dev, phylock_flags); |
| 1957 | b43legacy_radio_lock(dev); |
| 1958 | b43legacy_radio_set_txpower_bg(dev, baseband_attenuation, |
| 1959 | radio_attenuation, txpower); |
| 1960 | b43legacy_phy_lo_mark_current_used(dev); |
| 1961 | b43legacy_radio_unlock(dev); |
| 1962 | b43legacy_phy_unlock(dev, phylock_flags); |
| 1963 | } |
| 1964 | |
| 1965 | static inline |
| 1966 | s32 b43legacy_tssi2dbm_ad(s32 num, s32 den) |
| 1967 | { |
| 1968 | if (num < 0) |
| 1969 | return num/den; |
| 1970 | else |
| 1971 | return (num+den/2)/den; |
| 1972 | } |
| 1973 | |
| 1974 | static inline |
| 1975 | s8 b43legacy_tssi2dbm_entry(s8 entry [], u8 index, s16 pab0, s16 pab1, s16 pab2) |
| 1976 | { |
| 1977 | s32 m1; |
| 1978 | s32 m2; |
| 1979 | s32 f = 256; |
| 1980 | s32 q; |
| 1981 | s32 delta; |
| 1982 | s8 i = 0; |
| 1983 | |
| 1984 | m1 = b43legacy_tssi2dbm_ad(16 * pab0 + index * pab1, 32); |
| 1985 | m2 = max(b43legacy_tssi2dbm_ad(32768 + index * pab2, 256), 1); |
| 1986 | do { |
| 1987 | if (i > 15) |
| 1988 | return -EINVAL; |
| 1989 | q = b43legacy_tssi2dbm_ad(f * 4096 - |
| 1990 | b43legacy_tssi2dbm_ad(m2 * f, 16) * |
| 1991 | f, 2048); |
| 1992 | delta = abs(q - f); |
| 1993 | f = q; |
| 1994 | i++; |
| 1995 | } while (delta >= 2); |
| 1996 | entry[index] = limit_value(b43legacy_tssi2dbm_ad(m1 * f, 8192), |
| 1997 | -127, 128); |
| 1998 | return 0; |
| 1999 | } |
| 2000 | |
| 2001 | /* http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table */ |
| 2002 | int b43legacy_phy_init_tssi2dbm_table(struct b43legacy_wldev *dev) |
| 2003 | { |
| 2004 | struct b43legacy_phy *phy = &dev->phy; |
| 2005 | s16 pab0; |
| 2006 | s16 pab1; |
| 2007 | s16 pab2; |
| 2008 | u8 idx; |
| 2009 | s8 *dyn_tssi2dbm; |
| 2010 | |
| 2011 | B43legacy_WARN_ON(!(phy->type == B43legacy_PHYTYPE_B || |
| 2012 | phy->type == B43legacy_PHYTYPE_G)); |
| 2013 | pab0 = (s16)(dev->dev->bus->sprom.r1.pa0b0); |
| 2014 | pab1 = (s16)(dev->dev->bus->sprom.r1.pa0b1); |
| 2015 | pab2 = (s16)(dev->dev->bus->sprom.r1.pa0b2); |
| 2016 | |
| 2017 | if ((dev->dev->bus->chip_id == 0x4301) && (phy->radio_ver != 0x2050)) { |
| 2018 | phy->idle_tssi = 0x34; |
| 2019 | phy->tssi2dbm = b43legacy_tssi2dbm_b_table; |
| 2020 | return 0; |
| 2021 | } |
| 2022 | |
| 2023 | if (pab0 != 0 && pab1 != 0 && pab2 != 0 && |
| 2024 | pab0 != -1 && pab1 != -1 && pab2 != -1) { |
| 2025 | /* The pabX values are set in SPROM. Use them. */ |
| 2026 | if ((s8)dev->dev->bus->sprom.r1.itssi_bg != 0 && |
| 2027 | (s8)dev->dev->bus->sprom.r1.itssi_bg != -1) |
| 2028 | phy->idle_tssi = (s8)(dev->dev->bus->sprom.r1.itssi_bg); |
| 2029 | else |
| 2030 | phy->idle_tssi = 62; |
| 2031 | dyn_tssi2dbm = kmalloc(64, GFP_KERNEL); |
| 2032 | if (dyn_tssi2dbm == NULL) { |
| 2033 | b43legacyerr(dev->wl, "Could not allocate memory" |
| 2034 | "for tssi2dbm table\n"); |
| 2035 | return -ENOMEM; |
| 2036 | } |
| 2037 | for (idx = 0; idx < 64; idx++) |
| 2038 | if (b43legacy_tssi2dbm_entry(dyn_tssi2dbm, idx, pab0, |
| 2039 | pab1, pab2)) { |
| 2040 | phy->tssi2dbm = NULL; |
| 2041 | b43legacyerr(dev->wl, "Could not generate " |
| 2042 | "tssi2dBm table\n"); |
| 2043 | kfree(dyn_tssi2dbm); |
| 2044 | return -ENODEV; |
| 2045 | } |
| 2046 | phy->tssi2dbm = dyn_tssi2dbm; |
| 2047 | phy->dyn_tssi_tbl = 1; |
| 2048 | } else { |
| 2049 | /* pabX values not set in SPROM. */ |
| 2050 | switch (phy->type) { |
| 2051 | case B43legacy_PHYTYPE_B: |
| 2052 | phy->idle_tssi = 0x34; |
| 2053 | phy->tssi2dbm = b43legacy_tssi2dbm_b_table; |
| 2054 | break; |
| 2055 | case B43legacy_PHYTYPE_G: |
| 2056 | phy->idle_tssi = 0x34; |
| 2057 | phy->tssi2dbm = b43legacy_tssi2dbm_g_table; |
| 2058 | break; |
| 2059 | } |
| 2060 | } |
| 2061 | |
| 2062 | return 0; |
| 2063 | } |
| 2064 | |
| 2065 | int b43legacy_phy_init(struct b43legacy_wldev *dev) |
| 2066 | { |
| 2067 | struct b43legacy_phy *phy = &dev->phy; |
| 2068 | int err = -ENODEV; |
| 2069 | |
| 2070 | switch (phy->type) { |
| 2071 | case B43legacy_PHYTYPE_B: |
| 2072 | switch (phy->rev) { |
| 2073 | case 2: |
| 2074 | b43legacy_phy_initb2(dev); |
| 2075 | err = 0; |
| 2076 | break; |
| 2077 | case 4: |
| 2078 | b43legacy_phy_initb4(dev); |
| 2079 | err = 0; |
| 2080 | break; |
| 2081 | case 5: |
| 2082 | b43legacy_phy_initb5(dev); |
| 2083 | err = 0; |
| 2084 | break; |
| 2085 | case 6: |
| 2086 | b43legacy_phy_initb6(dev); |
| 2087 | err = 0; |
| 2088 | break; |
| 2089 | } |
| 2090 | break; |
| 2091 | case B43legacy_PHYTYPE_G: |
| 2092 | b43legacy_phy_initg(dev); |
| 2093 | err = 0; |
| 2094 | break; |
| 2095 | } |
| 2096 | if (err) |
| 2097 | b43legacyerr(dev->wl, "Unknown PHYTYPE found\n"); |
| 2098 | |
| 2099 | return err; |
| 2100 | } |
| 2101 | |
| 2102 | void b43legacy_phy_set_antenna_diversity(struct b43legacy_wldev *dev) |
| 2103 | { |
| 2104 | struct b43legacy_phy *phy = &dev->phy; |
| 2105 | u16 antennadiv; |
| 2106 | u16 offset; |
| 2107 | u16 value; |
| 2108 | u32 ucodeflags; |
| 2109 | |
| 2110 | antennadiv = phy->antenna_diversity; |
| 2111 | |
| 2112 | if (antennadiv == 0xFFFF) |
| 2113 | antennadiv = 3; |
| 2114 | B43legacy_WARN_ON(antennadiv > 3); |
| 2115 | |
| 2116 | ucodeflags = b43legacy_shm_read32(dev, B43legacy_SHM_SHARED, |
| 2117 | B43legacy_UCODEFLAGS_OFFSET); |
| 2118 | b43legacy_shm_write32(dev, B43legacy_SHM_SHARED, |
| 2119 | B43legacy_UCODEFLAGS_OFFSET, |
| 2120 | ucodeflags & ~B43legacy_UCODEFLAG_AUTODIV); |
| 2121 | |
| 2122 | switch (phy->type) { |
| 2123 | case B43legacy_PHYTYPE_G: |
| 2124 | offset = 0x0400; |
| 2125 | |
| 2126 | if (antennadiv == 2) |
| 2127 | value = (3/*automatic*/ << 7); |
| 2128 | else |
| 2129 | value = (antennadiv << 7); |
| 2130 | b43legacy_phy_write(dev, offset + 1, |
| 2131 | (b43legacy_phy_read(dev, offset + 1) |
| 2132 | & 0x7E7F) | value); |
| 2133 | |
| 2134 | if (antennadiv >= 2) { |
| 2135 | if (antennadiv == 2) |
| 2136 | value = (antennadiv << 7); |
| 2137 | else |
| 2138 | value = (0/*force0*/ << 7); |
| 2139 | b43legacy_phy_write(dev, offset + 0x2B, |
| 2140 | (b43legacy_phy_read(dev, |
| 2141 | offset + 0x2B) |
| 2142 | & 0xFEFF) | value); |
| 2143 | } |
| 2144 | |
| 2145 | if (phy->type == B43legacy_PHYTYPE_G) { |
| 2146 | if (antennadiv >= 2) |
| 2147 | b43legacy_phy_write(dev, 0x048C, |
| 2148 | b43legacy_phy_read(dev, |
| 2149 | 0x048C) | 0x2000); |
| 2150 | else |
| 2151 | b43legacy_phy_write(dev, 0x048C, |
| 2152 | b43legacy_phy_read(dev, |
| 2153 | 0x048C) & ~0x2000); |
| 2154 | if (phy->rev >= 2) { |
| 2155 | b43legacy_phy_write(dev, 0x0461, |
| 2156 | b43legacy_phy_read(dev, |
| 2157 | 0x0461) | 0x0010); |
| 2158 | b43legacy_phy_write(dev, 0x04AD, |
| 2159 | (b43legacy_phy_read(dev, |
| 2160 | 0x04AD) |
| 2161 | & 0x00FF) | 0x0015); |
| 2162 | if (phy->rev == 2) |
| 2163 | b43legacy_phy_write(dev, 0x0427, |
| 2164 | 0x0008); |
| 2165 | else |
| 2166 | b43legacy_phy_write(dev, 0x0427, |
| 2167 | (b43legacy_phy_read(dev, 0x0427) |
| 2168 | & 0x00FF) | 0x0008); |
| 2169 | } else if (phy->rev >= 6) |
| 2170 | b43legacy_phy_write(dev, 0x049B, 0x00DC); |
| 2171 | } else { |
| 2172 | if (phy->rev < 3) |
| 2173 | b43legacy_phy_write(dev, 0x002B, |
| 2174 | (b43legacy_phy_read(dev, |
| 2175 | 0x002B) & 0x00FF) |
| 2176 | | 0x0024); |
| 2177 | else { |
| 2178 | b43legacy_phy_write(dev, 0x0061, |
| 2179 | b43legacy_phy_read(dev, |
| 2180 | 0x0061) | 0x0010); |
| 2181 | if (phy->rev == 3) { |
| 2182 | b43legacy_phy_write(dev, 0x0093, |
| 2183 | 0x001D); |
| 2184 | b43legacy_phy_write(dev, 0x0027, |
| 2185 | 0x0008); |
| 2186 | } else { |
| 2187 | b43legacy_phy_write(dev, 0x0093, |
| 2188 | 0x003A); |
| 2189 | b43legacy_phy_write(dev, 0x0027, |
| 2190 | (b43legacy_phy_read(dev, 0x0027) |
| 2191 | & 0x00FF) | 0x0008); |
| 2192 | } |
| 2193 | } |
| 2194 | } |
| 2195 | break; |
| 2196 | case B43legacy_PHYTYPE_B: |
| 2197 | if (dev->dev->id.revision == 2) |
| 2198 | value = (3/*automatic*/ << 7); |
| 2199 | else |
| 2200 | value = (antennadiv << 7); |
| 2201 | b43legacy_phy_write(dev, 0x03E2, |
| 2202 | (b43legacy_phy_read(dev, 0x03E2) |
| 2203 | & 0xFE7F) | value); |
| 2204 | break; |
| 2205 | default: |
| 2206 | B43legacy_WARN_ON(1); |
| 2207 | } |
| 2208 | |
| 2209 | if (antennadiv >= 2) { |
| 2210 | ucodeflags = b43legacy_shm_read32(dev, B43legacy_SHM_SHARED, |
| 2211 | B43legacy_UCODEFLAGS_OFFSET); |
| 2212 | b43legacy_shm_write32(dev, B43legacy_SHM_SHARED, |
| 2213 | B43legacy_UCODEFLAGS_OFFSET, |
| 2214 | ucodeflags | B43legacy_UCODEFLAG_AUTODIV); |
| 2215 | } |
| 2216 | |
| 2217 | phy->antenna_diversity = antennadiv; |
| 2218 | } |
| 2219 | |
| 2220 | /* Set the PowerSavingControlBits. |
| 2221 | * Bitvalues: |
| 2222 | * 0 => unset the bit |
| 2223 | * 1 => set the bit |
| 2224 | * -1 => calculate the bit |
| 2225 | */ |
| 2226 | void b43legacy_power_saving_ctl_bits(struct b43legacy_wldev *dev, |
| 2227 | int bit25, int bit26) |
| 2228 | { |
| 2229 | int i; |
| 2230 | u32 status; |
| 2231 | |
| 2232 | /* FIXME: Force 25 to off and 26 to on for now: */ |
| 2233 | bit25 = 0; |
| 2234 | bit26 = 1; |
| 2235 | |
| 2236 | if (bit25 == -1) { |
| 2237 | /* TODO: If powersave is not off and FIXME is not set and we |
| 2238 | * are not in adhoc and thus is not an AP and we arei |
| 2239 | * associated, set bit 25 */ |
| 2240 | } |
| 2241 | if (bit26 == -1) { |
| 2242 | /* TODO: If the device is awake or this is an AP, or we are |
| 2243 | * scanning, or FIXME, or we are associated, or FIXME, |
| 2244 | * or the latest PS-Poll packet sent was successful, |
| 2245 | * set bit26 */ |
| 2246 | } |
| 2247 | status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); |
| 2248 | if (bit25) |
| 2249 | status |= B43legacy_SBF_PS1; |
| 2250 | else |
| 2251 | status &= ~B43legacy_SBF_PS1; |
| 2252 | if (bit26) |
| 2253 | status |= B43legacy_SBF_PS2; |
| 2254 | else |
| 2255 | status &= ~B43legacy_SBF_PS2; |
| 2256 | b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status); |
| 2257 | if (bit26 && dev->dev->id.revision >= 5) { |
| 2258 | for (i = 0; i < 100; i++) { |
| 2259 | if (b43legacy_shm_read32(dev, B43legacy_SHM_SHARED, |
| 2260 | 0x0040) != 4) |
| 2261 | break; |
| 2262 | udelay(10); |
| 2263 | } |
| 2264 | } |
| 2265 | } |