1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz> 3 * Universal interface for Audio Codec '97 4 * 5 * For more details look to AC '97 component specification revision 2.2 6 * by Intel Corporation (http://developer.intel.com). 7 * 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 */ 24 25 #include <sound/driver.h> 26 #include <linux/delay.h> 27 #include <linux/init.h> 28 #include <linux/slab.h> 29 #include <linux/pci.h> 30 #include <linux/moduleparam.h> 31 #include <linux/mutex.h> 32 #include <sound/core.h> 33 #include <sound/pcm.h> 34 #include <sound/ac97_codec.h> 35 #include <sound/asoundef.h> 36 #include <sound/initval.h> 37 #include "ac97_local.h" 38 #include "ac97_id.h" 39 #include "ac97_patch.h" 40 41 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 42 MODULE_DESCRIPTION("Universal interface for Audio Codec '97"); 43 MODULE_LICENSE("GPL"); 44 45 static int enable_loopback; 46 47 module_param(enable_loopback, bool, 0444); 48 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control"); 49 50 #ifdef CONFIG_SND_AC97_POWER_SAVE 51 static int power_save; 52 module_param(power_save, bool, 0644); 53 MODULE_PARM_DESC(power_save, "Enable AC97 power-saving control"); 54 #endif 55 /* 56 57 */ 58 59 struct ac97_codec_id { 60 unsigned int id; 61 unsigned int mask; 62 const char *name; 63 int (*patch)(struct snd_ac97 *ac97); 64 int (*mpatch)(struct snd_ac97 *ac97); 65 unsigned int flags; 66 }; 67 68 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = { 69 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, 70 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, 71 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, 72 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL }, 73 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, 74 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, 75 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, 76 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, 77 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, 78 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, 79 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, 80 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, 81 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, 82 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, 83 { 0x50534300, 0xffffff00, "Philips", NULL, NULL }, 84 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, 85 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, 86 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, 87 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, 88 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, 89 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, 90 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, 91 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, 92 { 0, 0, NULL, NULL, NULL } 93 }; 94 95 static const struct ac97_codec_id snd_ac97_codec_ids[] = { 96 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, 97 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, 98 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, 99 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, 100 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, 101 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, 102 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, 103 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, 104 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, 105 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, 106 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, 107 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, 108 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, 109 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, 110 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, 111 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, 112 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, 113 { 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL }, 114 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, 115 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, 116 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ 117 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ 118 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ 119 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, 120 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, 121 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ 122 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 123 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 124 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 125 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 126 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 127 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL }, 128 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, 129 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, 130 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, 131 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 132 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 133 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 134 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, 135 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, 136 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, 137 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, 138 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, 139 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, 140 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, 141 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, 142 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, 143 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II 144 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different 145 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 146 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028? 147 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 148 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 149 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 150 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 151 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 152 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 153 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 154 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 155 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 156 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 157 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 158 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix 159 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL }, 160 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 161 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 162 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 163 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 164 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 165 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 166 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 167 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 168 { 0x56494182, 0xffffffff, "VIA1618", NULL, NULL }, 169 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 170 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL }, 171 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 172 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 173 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 174 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 175 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL}, 176 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 177 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL }, 178 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 179 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 180 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 181 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 182 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 183 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 184 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 185 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 186 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 187 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 188 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 189 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 190 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 191 { 0, 0, NULL, NULL, NULL } 192 }; 193 194 195 static void update_power_regs(struct snd_ac97 *ac97); 196 197 /* 198 * I/O routines 199 */ 200 201 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 202 { 203 /* filter some registers for buggy codecs */ 204 switch (ac97->id) { 205 case AC97_ID_AK4540: 206 case AC97_ID_AK4542: 207 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 208 return 1; 209 return 0; 210 case AC97_ID_AD1819: /* AD1819 */ 211 case AC97_ID_AD1881: /* AD1881 */ 212 case AC97_ID_AD1881A: /* AD1881A */ 213 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 214 return 0; 215 return 1; 216 case AC97_ID_AD1885: /* AD1885 */ 217 case AC97_ID_AD1886: /* AD1886 */ 218 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 219 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 220 if (reg == 0x5a) 221 return 1; 222 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 223 return 0; 224 return 1; 225 case AC97_ID_STAC9700: 226 case AC97_ID_STAC9704: 227 case AC97_ID_STAC9705: 228 case AC97_ID_STAC9708: 229 case AC97_ID_STAC9721: 230 case AC97_ID_STAC9744: 231 case AC97_ID_STAC9756: 232 if (reg <= 0x3a || reg >= 0x5a) 233 return 1; 234 return 0; 235 } 236 return 1; 237 } 238 239 /** 240 * snd_ac97_write - write a value on the given register 241 * @ac97: the ac97 instance 242 * @reg: the register to change 243 * @value: the value to set 244 * 245 * Writes a value on the given register. This will invoke the write 246 * callback directly after the register check. 247 * This function doesn't change the register cache unlike 248 * #snd_ca97_write_cache(), so use this only when you don't want to 249 * reflect the change to the suspend/resume state. 250 */ 251 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 252 { 253 if (!snd_ac97_valid_reg(ac97, reg)) 254 return; 255 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 256 /* Fix H/W bug of ALC100/100P */ 257 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 258 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 259 } 260 ac97->bus->ops->write(ac97, reg, value); 261 } 262 263 EXPORT_SYMBOL(snd_ac97_write); 264 265 /** 266 * snd_ac97_read - read a value from the given register 267 * 268 * @ac97: the ac97 instance 269 * @reg: the register to read 270 * 271 * Reads a value from the given register. This will invoke the read 272 * callback directly after the register check. 273 * 274 * Returns the read value. 275 */ 276 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 277 { 278 if (!snd_ac97_valid_reg(ac97, reg)) 279 return 0; 280 return ac97->bus->ops->read(ac97, reg); 281 } 282 283 /* read a register - return the cached value if already read */ 284 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 285 { 286 if (! test_bit(reg, ac97->reg_accessed)) { 287 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 288 // set_bit(reg, ac97->reg_accessed); 289 } 290 return ac97->regs[reg]; 291 } 292 293 EXPORT_SYMBOL(snd_ac97_read); 294 295 /** 296 * snd_ac97_write_cache - write a value on the given register and update the cache 297 * @ac97: the ac97 instance 298 * @reg: the register to change 299 * @value: the value to set 300 * 301 * Writes a value on the given register and updates the register 302 * cache. The cached values are used for the cached-read and the 303 * suspend/resume. 304 */ 305 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 306 { 307 if (!snd_ac97_valid_reg(ac97, reg)) 308 return; 309 mutex_lock(&ac97->reg_mutex); 310 ac97->regs[reg] = value; 311 ac97->bus->ops->write(ac97, reg, value); 312 set_bit(reg, ac97->reg_accessed); 313 mutex_unlock(&ac97->reg_mutex); 314 } 315 316 EXPORT_SYMBOL(snd_ac97_write_cache); 317 318 /** 319 * snd_ac97_update - update the value on the given register 320 * @ac97: the ac97 instance 321 * @reg: the register to change 322 * @value: the value to set 323 * 324 * Compares the value with the register cache and updates the value 325 * only when the value is changed. 326 * 327 * Returns 1 if the value is changed, 0 if no change, or a negative 328 * code on failure. 329 */ 330 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 331 { 332 int change; 333 334 if (!snd_ac97_valid_reg(ac97, reg)) 335 return -EINVAL; 336 mutex_lock(&ac97->reg_mutex); 337 change = ac97->regs[reg] != value; 338 if (change) { 339 ac97->regs[reg] = value; 340 ac97->bus->ops->write(ac97, reg, value); 341 } 342 set_bit(reg, ac97->reg_accessed); 343 mutex_unlock(&ac97->reg_mutex); 344 return change; 345 } 346 347 EXPORT_SYMBOL(snd_ac97_update); 348 349 /** 350 * snd_ac97_update_bits - update the bits on the given register 351 * @ac97: the ac97 instance 352 * @reg: the register to change 353 * @mask: the bit-mask to change 354 * @value: the value to set 355 * 356 * Updates the masked-bits on the given register only when the value 357 * is changed. 358 * 359 * Returns 1 if the bits are changed, 0 if no change, or a negative 360 * code on failure. 361 */ 362 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 363 { 364 int change; 365 366 if (!snd_ac97_valid_reg(ac97, reg)) 367 return -EINVAL; 368 mutex_lock(&ac97->reg_mutex); 369 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 370 mutex_unlock(&ac97->reg_mutex); 371 return change; 372 } 373 374 EXPORT_SYMBOL(snd_ac97_update_bits); 375 376 /* no lock version - see snd_ac97_updat_bits() */ 377 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 378 unsigned short mask, unsigned short value) 379 { 380 int change; 381 unsigned short old, new; 382 383 old = snd_ac97_read_cache(ac97, reg); 384 new = (old & ~mask) | value; 385 change = old != new; 386 if (change) { 387 ac97->regs[reg] = new; 388 ac97->bus->ops->write(ac97, reg, new); 389 } 390 set_bit(reg, ac97->reg_accessed); 391 return change; 392 } 393 394 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 395 { 396 int change; 397 unsigned short old, new, cfg; 398 399 mutex_lock(&ac97->page_mutex); 400 old = ac97->spec.ad18xx.pcmreg[codec]; 401 new = (old & ~mask) | value; 402 change = old != new; 403 if (change) { 404 mutex_lock(&ac97->reg_mutex); 405 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 406 ac97->spec.ad18xx.pcmreg[codec] = new; 407 /* select single codec */ 408 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 409 (cfg & ~0x7000) | 410 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 411 /* update PCM bits */ 412 ac97->bus->ops->write(ac97, AC97_PCM, new); 413 /* select all codecs */ 414 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 415 cfg | 0x7000); 416 mutex_unlock(&ac97->reg_mutex); 417 } 418 mutex_unlock(&ac97->page_mutex); 419 return change; 420 } 421 422 /* 423 * Controls 424 */ 425 426 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 427 { 428 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 429 430 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 431 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 432 uinfo->value.enumerated.items = e->mask; 433 434 if (uinfo->value.enumerated.item > e->mask - 1) 435 uinfo->value.enumerated.item = e->mask - 1; 436 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 437 return 0; 438 } 439 440 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 441 { 442 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 443 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 444 unsigned short val, bitmask; 445 446 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 447 ; 448 val = snd_ac97_read_cache(ac97, e->reg); 449 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 450 if (e->shift_l != e->shift_r) 451 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 452 453 return 0; 454 } 455 456 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 457 { 458 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 459 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 460 unsigned short val; 461 unsigned short mask, bitmask; 462 463 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 464 ; 465 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 466 return -EINVAL; 467 val = ucontrol->value.enumerated.item[0] << e->shift_l; 468 mask = (bitmask - 1) << e->shift_l; 469 if (e->shift_l != e->shift_r) { 470 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 471 return -EINVAL; 472 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 473 mask |= (bitmask - 1) << e->shift_r; 474 } 475 return snd_ac97_update_bits(ac97, e->reg, mask, val); 476 } 477 478 /* save/restore ac97 v2.3 paging */ 479 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 480 { 481 int page_save = -1; 482 if ((kcontrol->private_value & (1<<25)) && 483 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 484 (reg >= 0x60 && reg < 0x70)) { 485 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 486 mutex_lock(&ac97->page_mutex); /* lock paging */ 487 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 488 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 489 } 490 return page_save; 491 } 492 493 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 494 { 495 if (page_save >= 0) { 496 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 497 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 498 } 499 } 500 501 /* volume and switch controls */ 502 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 503 { 504 int mask = (kcontrol->private_value >> 16) & 0xff; 505 int shift = (kcontrol->private_value >> 8) & 0x0f; 506 int rshift = (kcontrol->private_value >> 12) & 0x0f; 507 508 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 509 uinfo->count = shift == rshift ? 1 : 2; 510 uinfo->value.integer.min = 0; 511 uinfo->value.integer.max = mask; 512 return 0; 513 } 514 515 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 516 { 517 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 518 int reg = kcontrol->private_value & 0xff; 519 int shift = (kcontrol->private_value >> 8) & 0x0f; 520 int rshift = (kcontrol->private_value >> 12) & 0x0f; 521 int mask = (kcontrol->private_value >> 16) & 0xff; 522 int invert = (kcontrol->private_value >> 24) & 0x01; 523 int page_save; 524 525 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 526 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 527 if (shift != rshift) 528 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 529 if (invert) { 530 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 531 if (shift != rshift) 532 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 533 } 534 snd_ac97_page_restore(ac97, page_save); 535 return 0; 536 } 537 538 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 539 { 540 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 541 int reg = kcontrol->private_value & 0xff; 542 int shift = (kcontrol->private_value >> 8) & 0x0f; 543 int rshift = (kcontrol->private_value >> 12) & 0x0f; 544 int mask = (kcontrol->private_value >> 16) & 0xff; 545 int invert = (kcontrol->private_value >> 24) & 0x01; 546 int err, page_save; 547 unsigned short val, val2, val_mask; 548 549 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 550 val = (ucontrol->value.integer.value[0] & mask); 551 if (invert) 552 val = mask - val; 553 val_mask = mask << shift; 554 val = val << shift; 555 if (shift != rshift) { 556 val2 = (ucontrol->value.integer.value[1] & mask); 557 if (invert) 558 val2 = mask - val2; 559 val_mask |= mask << rshift; 560 val |= val2 << rshift; 561 } 562 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 563 snd_ac97_page_restore(ac97, page_save); 564 #ifdef CONFIG_SND_AC97_POWER_SAVE 565 /* check analog mixer power-down */ 566 if ((val_mask & 0x8000) && 567 (kcontrol->private_value & (1<<30))) { 568 if (val & 0x8000) 569 ac97->power_up &= ~(1 << (reg>>1)); 570 else 571 ac97->power_up |= 1 << (reg>>1); 572 if (power_save) 573 update_power_regs(ac97); 574 } 575 #endif 576 return err; 577 } 578 579 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 580 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 581 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 582 }; 583 584 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 585 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 586 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 587 }; 588 589 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 590 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), 591 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) 592 }; 593 594 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 595 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 596 597 598 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 599 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 600 static const char* std_mix[] = {"Mix", "Mic"}; 601 static const char* std_mic[] = {"Mic1", "Mic2"}; 602 603 static const struct ac97_enum std_enum[] = { 604 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 605 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 606 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 607 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 608 }; 609 610 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 611 AC97_ENUM("Capture Source", std_enum[0]); 612 613 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 614 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 615 616 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 617 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 618 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 619 }; 620 621 enum { 622 AC97_GENERAL_PCM_OUT = 0, 623 AC97_GENERAL_STEREO_ENHANCEMENT, 624 AC97_GENERAL_3D, 625 AC97_GENERAL_LOUDNESS, 626 AC97_GENERAL_MONO, 627 AC97_GENERAL_MIC, 628 AC97_GENERAL_LOOPBACK 629 }; 630 631 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 632 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 633 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 634 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 635 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 636 AC97_ENUM("Mono Output Select", std_enum[2]), 637 AC97_ENUM("Mic Select", std_enum[3]), 638 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 639 }; 640 641 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 642 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 643 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 644 }; 645 646 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 647 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 648 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 649 }; 650 651 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 652 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 653 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 654 }; 655 656 static const struct snd_kcontrol_new snd_ac97_control_eapd = 657 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 658 659 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 660 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 661 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 662 }; 663 664 /* change the existing EAPD control as inverted */ 665 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 666 { 667 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 668 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 669 ac97->scaps |= AC97_SCAP_INV_EAPD; 670 } 671 672 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 673 { 674 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 675 uinfo->count = 1; 676 return 0; 677 } 678 679 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 680 { 681 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 682 IEC958_AES0_NONAUDIO | 683 IEC958_AES0_CON_EMPHASIS_5015 | 684 IEC958_AES0_CON_NOT_COPYRIGHT; 685 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 686 IEC958_AES1_CON_ORIGINAL; 687 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 688 return 0; 689 } 690 691 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 692 { 693 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 694 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 695 IEC958_AES0_NONAUDIO | 696 IEC958_AES0_PRO_FS | 697 IEC958_AES0_PRO_EMPHASIS_5015; 698 return 0; 699 } 700 701 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 702 { 703 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 704 705 mutex_lock(&ac97->reg_mutex); 706 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 707 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 708 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 709 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 710 mutex_unlock(&ac97->reg_mutex); 711 return 0; 712 } 713 714 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 715 { 716 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 717 unsigned int new = 0; 718 unsigned short val = 0; 719 int change; 720 721 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 722 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 723 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 724 switch (new & IEC958_AES0_PRO_FS) { 725 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 726 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 727 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 728 default: val |= 1<<12; break; 729 } 730 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 731 val |= 1<<3; 732 } else { 733 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 734 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 735 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 736 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 737 val |= 1<<3; 738 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 739 val |= 1<<2; 740 val |= ((new >> 8) & 0xff) << 4; // category + original 741 switch ((new >> 24) & 0xff) { 742 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 743 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 744 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 745 default: val |= 1<<12; break; 746 } 747 } 748 749 mutex_lock(&ac97->reg_mutex); 750 change = ac97->spdif_status != new; 751 ac97->spdif_status = new; 752 753 if (ac97->flags & AC97_CS_SPDIF) { 754 int x = (val >> 12) & 0x03; 755 switch (x) { 756 case 0: x = 1; break; // 44.1 757 case 2: x = 0; break; // 48.0 758 default: x = 0; break; // illegal. 759 } 760 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 761 } else if (ac97->flags & AC97_CX_SPDIF) { 762 int v; 763 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 764 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 765 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 766 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 767 v); 768 } else { 769 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 770 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 771 772 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 773 if (extst & AC97_EA_SPDIF) { 774 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 775 } 776 } 777 mutex_unlock(&ac97->reg_mutex); 778 779 return change; 780 } 781 782 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 783 { 784 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 785 int reg = kcontrol->private_value & 0xff; 786 int shift = (kcontrol->private_value >> 8) & 0xff; 787 int mask = (kcontrol->private_value >> 16) & 0xff; 788 // int invert = (kcontrol->private_value >> 24) & 0xff; 789 unsigned short value, old, new; 790 int change; 791 792 value = (ucontrol->value.integer.value[0] & mask); 793 794 mutex_lock(&ac97->reg_mutex); 795 mask <<= shift; 796 value <<= shift; 797 old = snd_ac97_read_cache(ac97, reg); 798 new = (old & ~mask) | value; 799 change = old != new; 800 801 if (change) { 802 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 803 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 804 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 805 if (extst & AC97_EA_SPDIF) 806 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 807 } 808 mutex_unlock(&ac97->reg_mutex); 809 return change; 810 } 811 812 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 813 { 814 .access = SNDRV_CTL_ELEM_ACCESS_READ, 815 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 816 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 817 .info = snd_ac97_spdif_mask_info, 818 .get = snd_ac97_spdif_cmask_get, 819 }, 820 { 821 .access = SNDRV_CTL_ELEM_ACCESS_READ, 822 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 823 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 824 .info = snd_ac97_spdif_mask_info, 825 .get = snd_ac97_spdif_pmask_get, 826 }, 827 { 828 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 829 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 830 .info = snd_ac97_spdif_mask_info, 831 .get = snd_ac97_spdif_default_get, 832 .put = snd_ac97_spdif_default_put, 833 }, 834 835 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 836 { 837 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 838 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 839 .info = snd_ac97_info_volsw, 840 .get = snd_ac97_get_volsw, 841 .put = snd_ac97_put_spsa, 842 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 843 }, 844 }; 845 846 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 847 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 848 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 849 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 850 851 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 852 { 853 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 854 int mask = (kcontrol->private_value >> 16) & 0x0f; 855 int lshift = (kcontrol->private_value >> 8) & 0x0f; 856 int rshift = (kcontrol->private_value >> 12) & 0x0f; 857 858 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 859 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 860 uinfo->count = 2; 861 else 862 uinfo->count = 1; 863 uinfo->value.integer.min = 0; 864 uinfo->value.integer.max = mask; 865 return 0; 866 } 867 868 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 869 { 870 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 871 int codec = kcontrol->private_value & 3; 872 int lshift = (kcontrol->private_value >> 8) & 0x0f; 873 int rshift = (kcontrol->private_value >> 12) & 0x0f; 874 int mask = (kcontrol->private_value >> 16) & 0xff; 875 876 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 877 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 878 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 879 return 0; 880 } 881 882 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 883 { 884 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 885 int codec = kcontrol->private_value & 3; 886 int lshift = (kcontrol->private_value >> 8) & 0x0f; 887 int rshift = (kcontrol->private_value >> 12) & 0x0f; 888 int mask = (kcontrol->private_value >> 16) & 0xff; 889 unsigned short val, valmask; 890 891 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 892 valmask = mask << lshift; 893 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 894 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 895 valmask |= mask << rshift; 896 } 897 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 898 } 899 900 #define AD18XX_PCM_VOLUME(xname, codec) \ 901 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 902 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 903 .private_value = codec } 904 905 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 906 { 907 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 908 uinfo->count = 2; 909 uinfo->value.integer.min = 0; 910 uinfo->value.integer.max = 31; 911 return 0; 912 } 913 914 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 915 { 916 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 917 int codec = kcontrol->private_value & 3; 918 919 mutex_lock(&ac97->page_mutex); 920 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 921 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 922 mutex_unlock(&ac97->page_mutex); 923 return 0; 924 } 925 926 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 927 { 928 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 929 int codec = kcontrol->private_value & 3; 930 unsigned short val1, val2; 931 932 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 933 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 934 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 935 } 936 937 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 938 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 939 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 940 }; 941 942 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 943 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 944 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 945 }; 946 947 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 948 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 949 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 950 }; 951 952 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 953 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 954 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 955 }; 956 957 /* 958 * 959 */ 960 961 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 962 963 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 964 { 965 if (bus) { 966 snd_ac97_bus_proc_done(bus); 967 kfree(bus->pcms); 968 if (bus->private_free) 969 bus->private_free(bus); 970 kfree(bus); 971 } 972 return 0; 973 } 974 975 static int snd_ac97_bus_dev_free(struct snd_device *device) 976 { 977 struct snd_ac97_bus *bus = device->device_data; 978 return snd_ac97_bus_free(bus); 979 } 980 981 static int snd_ac97_free(struct snd_ac97 *ac97) 982 { 983 if (ac97) { 984 #ifdef CONFIG_SND_AC97_POWER_SAVE 985 if (ac97->power_workq) 986 destroy_workqueue(ac97->power_workq); 987 #endif 988 snd_ac97_proc_done(ac97); 989 if (ac97->bus) 990 ac97->bus->codec[ac97->num] = NULL; 991 if (ac97->private_free) 992 ac97->private_free(ac97); 993 kfree(ac97); 994 } 995 return 0; 996 } 997 998 static int snd_ac97_dev_free(struct snd_device *device) 999 { 1000 struct snd_ac97 *ac97 = device->device_data; 1001 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1002 return snd_ac97_free(ac97); 1003 } 1004 1005 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1006 { 1007 unsigned short val, mask = 0x8000; 1008 1009 if (! snd_ac97_valid_reg(ac97, reg)) 1010 return 0; 1011 1012 switch (reg) { 1013 case AC97_MASTER_TONE: 1014 return ac97->caps & 0x04 ? 1 : 0; 1015 case AC97_HEADPHONE: 1016 return ac97->caps & 0x10 ? 1 : 0; 1017 case AC97_REC_GAIN_MIC: 1018 return ac97->caps & 0x01 ? 1 : 0; 1019 case AC97_3D_CONTROL: 1020 if (ac97->caps & 0x7c00) { 1021 val = snd_ac97_read(ac97, reg); 1022 /* if nonzero - fixed and we can't set it */ 1023 return val == 0; 1024 } 1025 return 0; 1026 case AC97_CENTER_LFE_MASTER: /* center */ 1027 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1028 return 0; 1029 break; 1030 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1031 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1032 return 0; 1033 reg = AC97_CENTER_LFE_MASTER; 1034 mask = 0x0080; 1035 break; 1036 case AC97_SURROUND_MASTER: 1037 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1038 return 0; 1039 break; 1040 } 1041 1042 val = snd_ac97_read(ac97, reg); 1043 if (!(val & mask)) { 1044 /* nothing seems to be here - mute flag is not set */ 1045 /* try another test */ 1046 snd_ac97_write_cache(ac97, reg, val | mask); 1047 val = snd_ac97_read(ac97, reg); 1048 val = snd_ac97_read(ac97, reg); 1049 if (!(val & mask)) 1050 return 0; /* nothing here */ 1051 } 1052 return 1; /* success, useable */ 1053 } 1054 1055 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1056 { 1057 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1058 unsigned char max[3] = { 63, 31, 15 }; 1059 int i; 1060 1061 /* first look up the static resolution table */ 1062 if (ac97->res_table) { 1063 const struct snd_ac97_res_table *tbl; 1064 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1065 if (tbl->reg == reg) { 1066 *lo_max = tbl->bits & 0xff; 1067 *hi_max = (tbl->bits >> 8) & 0xff; 1068 return; 1069 } 1070 } 1071 } 1072 1073 *lo_max = *hi_max = 0; 1074 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1075 unsigned short val; 1076 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); 1077 /* Do the read twice due to buffers on some ac97 codecs. 1078 * e.g. The STAC9704 returns exactly what you wrote the the register 1079 * if you read it immediately. This causes the detect routine to fail. 1080 */ 1081 val = snd_ac97_read(ac97, reg); 1082 val = snd_ac97_read(ac97, reg); 1083 if (! *lo_max && (val & 0x7f) == cbit[i]) 1084 *lo_max = max[i]; 1085 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1086 *hi_max = max[i]; 1087 if (*lo_max && *hi_max) 1088 break; 1089 } 1090 } 1091 1092 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1093 { 1094 unsigned short mask, val, orig, res; 1095 1096 mask = 1 << bit; 1097 orig = snd_ac97_read(ac97, reg); 1098 val = orig ^ mask; 1099 snd_ac97_write(ac97, reg, val); 1100 res = snd_ac97_read(ac97, reg); 1101 snd_ac97_write_cache(ac97, reg, orig); 1102 return res == val; 1103 } 1104 1105 /* check the volume resolution of center/lfe */ 1106 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1107 { 1108 unsigned short val, val1; 1109 1110 *max = 63; 1111 val = 0x8080 | (0x20 << shift); 1112 snd_ac97_write(ac97, reg, val); 1113 val1 = snd_ac97_read(ac97, reg); 1114 if (val != val1) { 1115 *max = 31; 1116 } 1117 /* reset volume to zero */ 1118 snd_ac97_write_cache(ac97, reg, 0x8080); 1119 } 1120 1121 static inline int printable(unsigned int x) 1122 { 1123 x &= 0xff; 1124 if (x < ' ' || x >= 0x71) { 1125 if (x <= 0x89) 1126 return x - 0x71 + 'A'; 1127 return '?'; 1128 } 1129 return x; 1130 } 1131 1132 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97) 1133 { 1134 struct snd_kcontrol_new template; 1135 memcpy(&template, _template, sizeof(template)); 1136 template.index = ac97->num; 1137 return snd_ctl_new1(&template, ac97); 1138 } 1139 1140 /* 1141 * create mute switch(es) for normal stereo controls 1142 */ 1143 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1144 int check_stereo, int check_amix, 1145 struct snd_ac97 *ac97) 1146 { 1147 struct snd_kcontrol *kctl; 1148 int err; 1149 unsigned short val, val1, mute_mask; 1150 1151 if (! snd_ac97_valid_reg(ac97, reg)) 1152 return 0; 1153 1154 mute_mask = 0x8000; 1155 val = snd_ac97_read(ac97, reg); 1156 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1157 /* check whether both mute bits work */ 1158 val1 = val | 0x8080; 1159 snd_ac97_write(ac97, reg, val1); 1160 if (val1 == snd_ac97_read(ac97, reg)) 1161 mute_mask = 0x8080; 1162 } 1163 if (mute_mask == 0x8080) { 1164 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1165 if (check_amix) 1166 tmp.private_value |= (1 << 30); 1167 tmp.index = ac97->num; 1168 kctl = snd_ctl_new1(&tmp, ac97); 1169 } else { 1170 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1171 if (check_amix) 1172 tmp.private_value |= (1 << 30); 1173 tmp.index = ac97->num; 1174 kctl = snd_ctl_new1(&tmp, ac97); 1175 } 1176 err = snd_ctl_add(card, kctl); 1177 if (err < 0) 1178 return err; 1179 /* mute as default */ 1180 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1181 return 0; 1182 } 1183 1184 /* 1185 * create a volume for normal stereo/mono controls 1186 */ 1187 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1188 unsigned int hi_max, struct snd_ac97 *ac97) 1189 { 1190 int err; 1191 struct snd_kcontrol *kctl; 1192 1193 if (! snd_ac97_valid_reg(ac97, reg)) 1194 return 0; 1195 if (hi_max) { 1196 /* invert */ 1197 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1198 tmp.index = ac97->num; 1199 kctl = snd_ctl_new1(&tmp, ac97); 1200 } else { 1201 /* invert */ 1202 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1203 tmp.index = ac97->num; 1204 kctl = snd_ctl_new1(&tmp, ac97); 1205 } 1206 err = snd_ctl_add(card, kctl); 1207 if (err < 0) 1208 return err; 1209 snd_ac97_write_cache(ac97, reg, 1210 (snd_ac97_read(ac97, reg) & 0x8080) | 1211 lo_max | (hi_max << 8)); 1212 return 0; 1213 } 1214 1215 /* 1216 * create a mute-switch and a volume for normal stereo/mono controls 1217 */ 1218 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1219 int reg, int check_stereo, int check_amix, 1220 struct snd_ac97 *ac97) 1221 { 1222 int err; 1223 char name[44]; 1224 unsigned char lo_max, hi_max; 1225 1226 if (! snd_ac97_valid_reg(ac97, reg)) 1227 return 0; 1228 1229 if (snd_ac97_try_bit(ac97, reg, 15)) { 1230 sprintf(name, "%s Switch", pfx); 1231 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, 1232 check_stereo, check_amix, 1233 ac97)) < 0) 1234 return err; 1235 } 1236 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1237 if (lo_max) { 1238 sprintf(name, "%s Volume", pfx); 1239 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1240 return err; 1241 } 1242 return 0; 1243 } 1244 1245 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1246 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1247 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1248 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1249 1250 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1251 1252 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1253 { 1254 struct snd_card *card = ac97->bus->card; 1255 struct snd_kcontrol *kctl; 1256 int err; 1257 unsigned int idx; 1258 unsigned char max; 1259 1260 /* build master controls */ 1261 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1262 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1263 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1264 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1265 AC97_MASTER, 0, ac97); 1266 else 1267 err = snd_ac97_cmix_new(card, "Master Playback", 1268 AC97_MASTER, 0, ac97); 1269 if (err < 0) 1270 return err; 1271 } 1272 1273 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; 1274 1275 /* build center controls */ 1276 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1277 && !(ac97->flags & AC97_AD_MULTI)) { 1278 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1279 return err; 1280 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1281 return err; 1282 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1283 kctl->private_value &= ~(0xff << 16); 1284 kctl->private_value |= (int)max << 16; 1285 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1286 } 1287 1288 /* build LFE controls */ 1289 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1290 && !(ac97->flags & AC97_AD_MULTI)) { 1291 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1292 return err; 1293 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1294 return err; 1295 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1296 kctl->private_value &= ~(0xff << 16); 1297 kctl->private_value |= (int)max << 16; 1298 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1299 } 1300 1301 /* build surround controls */ 1302 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1303 && !(ac97->flags & AC97_AD_MULTI)) { 1304 /* Surround Master (0x38) is with stereo mutes */ 1305 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1306 AC97_SURROUND_MASTER, 1, 0, 1307 ac97)) < 0) 1308 return err; 1309 } 1310 1311 /* build headphone controls */ 1312 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1313 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", 1314 AC97_HEADPHONE, 0, ac97)) < 0) 1315 return err; 1316 } 1317 1318 /* build master mono controls */ 1319 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1320 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", 1321 AC97_MASTER_MONO, 0, ac97)) < 0) 1322 return err; 1323 } 1324 1325 /* build master tone controls */ 1326 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1327 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1328 for (idx = 0; idx < 2; idx++) { 1329 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1330 return err; 1331 if (ac97->id == AC97_ID_YMF753) { 1332 kctl->private_value &= ~(0xff << 16); 1333 kctl->private_value |= 7 << 16; 1334 } 1335 } 1336 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1337 } 1338 } 1339 1340 /* build PC Speaker controls */ 1341 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1342 ((ac97->flags & AC97_HAS_PC_BEEP) || 1343 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1344 for (idx = 0; idx < 2; idx++) 1345 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1346 return err; 1347 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 1348 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); 1349 } 1350 1351 /* build Phone controls */ 1352 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1353 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1354 if ((err = snd_ac97_cmix_new(card, "Phone Playback", 1355 AC97_PHONE, 1, ac97)) < 0) 1356 return err; 1357 } 1358 } 1359 1360 /* build MIC controls */ 1361 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1362 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1363 if ((err = snd_ac97_cmix_new(card, "Mic Playback", 1364 AC97_MIC, 1, ac97)) < 0) 1365 return err; 1366 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1367 return err; 1368 } 1369 } 1370 1371 /* build Line controls */ 1372 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1373 if ((err = snd_ac97_cmix_new(card, "Line Playback", 1374 AC97_LINE, 1, ac97)) < 0) 1375 return err; 1376 } 1377 1378 /* build CD controls */ 1379 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1380 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1381 if ((err = snd_ac97_cmix_new(card, "CD Playback", 1382 AC97_CD, 1, ac97)) < 0) 1383 return err; 1384 } 1385 } 1386 1387 /* build Video controls */ 1388 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1389 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1390 if ((err = snd_ac97_cmix_new(card, "Video Playback", 1391 AC97_VIDEO, 1, ac97)) < 0) 1392 return err; 1393 } 1394 } 1395 1396 /* build Aux controls */ 1397 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1398 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1399 if ((err = snd_ac97_cmix_new(card, "Aux Playback", 1400 AC97_AUX, 1, ac97)) < 0) 1401 return err; 1402 } 1403 } 1404 1405 /* build PCM controls */ 1406 if (ac97->flags & AC97_AD_MULTI) { 1407 unsigned short init_val; 1408 if (ac97->flags & AC97_STEREO_MUTES) 1409 init_val = 0x9f9f; 1410 else 1411 init_val = 0x9f1f; 1412 for (idx = 0; idx < 2; idx++) 1413 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1414 return err; 1415 ac97->spec.ad18xx.pcmreg[0] = init_val; 1416 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1417 for (idx = 0; idx < 2; idx++) 1418 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1419 return err; 1420 ac97->spec.ad18xx.pcmreg[1] = init_val; 1421 } 1422 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1423 for (idx = 0; idx < 2; idx++) 1424 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1425 return err; 1426 for (idx = 0; idx < 2; idx++) 1427 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1428 return err; 1429 ac97->spec.ad18xx.pcmreg[2] = init_val; 1430 } 1431 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1432 } else { 1433 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1434 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1435 err = snd_ac97_cmute_new(card, 1436 "PCM Playback Switch", 1437 AC97_PCM, 0, ac97); 1438 else 1439 err = snd_ac97_cmix_new(card, "PCM Playback", 1440 AC97_PCM, 0, ac97); 1441 if (err < 0) 1442 return err; 1443 } 1444 } 1445 1446 /* build Capture controls */ 1447 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1448 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1449 return err; 1450 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1451 err = snd_ac97_cmute_new(card, "Capture Switch", 1452 AC97_REC_GAIN, 0, ac97); 1453 if (err < 0) 1454 return err; 1455 } 1456 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1457 return err; 1458 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1459 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1460 } 1461 /* build MIC Capture controls */ 1462 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1463 for (idx = 0; idx < 2; idx++) 1464 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1465 return err; 1466 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1467 } 1468 1469 /* build PCM out path & mute control */ 1470 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1471 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1472 return err; 1473 } 1474 1475 /* build Simulated Stereo Enhancement control */ 1476 if (ac97->caps & 0x0008) { 1477 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1478 return err; 1479 } 1480 1481 /* build 3D Stereo Enhancement control */ 1482 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1483 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1484 return err; 1485 } 1486 1487 /* build Loudness control */ 1488 if (ac97->caps & 0x0020) { 1489 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1490 return err; 1491 } 1492 1493 /* build Mono output select control */ 1494 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1495 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1496 return err; 1497 } 1498 1499 /* build Mic select control */ 1500 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1501 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1502 return err; 1503 } 1504 1505 /* build ADC/DAC loopback control */ 1506 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1507 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1508 return err; 1509 } 1510 1511 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1512 1513 /* build 3D controls */ 1514 if (ac97->build_ops->build_3d) { 1515 ac97->build_ops->build_3d(ac97); 1516 } else { 1517 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1518 unsigned short val; 1519 val = 0x0707; 1520 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1521 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1522 val = val == 0x0606; 1523 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1524 return err; 1525 if (val) 1526 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1527 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1528 return err; 1529 if (val) 1530 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1531 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1532 } 1533 } 1534 1535 /* build S/PDIF controls */ 1536 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1537 if (ac97->build_ops->build_spdif) { 1538 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1539 return err; 1540 } else { 1541 for (idx = 0; idx < 5; idx++) 1542 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1543 return err; 1544 if (ac97->build_ops->build_post_spdif) { 1545 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1546 return err; 1547 } 1548 /* set default PCM S/PDIF params */ 1549 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1550 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1551 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1552 } 1553 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1554 } 1555 1556 /* build chip specific controls */ 1557 if (ac97->build_ops->build_specific) 1558 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1559 return err; 1560 1561 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1562 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1563 if (! kctl) 1564 return -ENOMEM; 1565 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1566 set_inv_eapd(ac97, kctl); 1567 if ((err = snd_ctl_add(card, kctl)) < 0) 1568 return err; 1569 } 1570 1571 return 0; 1572 } 1573 1574 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1575 { 1576 int err, idx; 1577 1578 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG)); 1579 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1580 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1581 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1582 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1583 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1584 1585 /* build modem switches */ 1586 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1587 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1588 return err; 1589 1590 /* build chip specific controls */ 1591 if (ac97->build_ops->build_specific) 1592 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1593 return err; 1594 1595 return 0; 1596 } 1597 1598 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1599 { 1600 unsigned short val; 1601 unsigned int tmp; 1602 1603 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1604 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1605 if (shadow_reg) 1606 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1607 val = snd_ac97_read(ac97, reg); 1608 return val == (tmp & 0xffff); 1609 } 1610 1611 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1612 { 1613 unsigned int result = 0; 1614 unsigned short saved; 1615 1616 if (ac97->bus->no_vra) { 1617 *r_result = SNDRV_PCM_RATE_48000; 1618 if ((ac97->flags & AC97_DOUBLE_RATE) && 1619 reg == AC97_PCM_FRONT_DAC_RATE) 1620 *r_result |= SNDRV_PCM_RATE_96000; 1621 return; 1622 } 1623 1624 saved = snd_ac97_read(ac97, reg); 1625 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1626 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1627 AC97_EA_DRA, 0); 1628 /* test a non-standard rate */ 1629 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1630 result |= SNDRV_PCM_RATE_CONTINUOUS; 1631 /* let's try to obtain standard rates */ 1632 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1633 result |= SNDRV_PCM_RATE_8000; 1634 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1635 result |= SNDRV_PCM_RATE_11025; 1636 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1637 result |= SNDRV_PCM_RATE_16000; 1638 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1639 result |= SNDRV_PCM_RATE_22050; 1640 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1641 result |= SNDRV_PCM_RATE_32000; 1642 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1643 result |= SNDRV_PCM_RATE_44100; 1644 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1645 result |= SNDRV_PCM_RATE_48000; 1646 if ((ac97->flags & AC97_DOUBLE_RATE) && 1647 reg == AC97_PCM_FRONT_DAC_RATE) { 1648 /* test standard double rates */ 1649 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1650 AC97_EA_DRA, AC97_EA_DRA); 1651 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1652 result |= SNDRV_PCM_RATE_64000; 1653 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1654 result |= SNDRV_PCM_RATE_88200; 1655 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1656 result |= SNDRV_PCM_RATE_96000; 1657 /* some codecs don't support variable double rates */ 1658 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1659 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1660 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1661 AC97_EA_DRA, 0); 1662 } 1663 /* restore the default value */ 1664 snd_ac97_write_cache(ac97, reg, saved); 1665 if (shadow_reg) 1666 snd_ac97_write_cache(ac97, shadow_reg, saved); 1667 *r_result = result; 1668 } 1669 1670 /* check AC97_SPDIF register to accept which sample rates */ 1671 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1672 { 1673 unsigned int result = 0; 1674 int i; 1675 static unsigned short ctl_bits[] = { 1676 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1677 }; 1678 static unsigned int rate_bits[] = { 1679 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1680 }; 1681 1682 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1683 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1684 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1685 result |= rate_bits[i]; 1686 } 1687 return result; 1688 } 1689 1690 /* look for the codec id table matching with the given id */ 1691 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1692 unsigned int id) 1693 { 1694 const struct ac97_codec_id *pid; 1695 1696 for (pid = table; pid->id; pid++) 1697 if (pid->id == (id & pid->mask)) 1698 return pid; 1699 return NULL; 1700 } 1701 1702 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1703 { 1704 const struct ac97_codec_id *pid; 1705 1706 sprintf(name, "0x%x %c%c%c", id, 1707 printable(id >> 24), 1708 printable(id >> 16), 1709 printable(id >> 8)); 1710 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1711 if (! pid) 1712 return; 1713 1714 strcpy(name, pid->name); 1715 if (ac97 && pid->patch) { 1716 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1717 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1718 pid->patch(ac97); 1719 } 1720 1721 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1722 if (pid) { 1723 strcat(name, " "); 1724 strcat(name, pid->name); 1725 if (pid->mask != 0xffffffff) 1726 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1727 if (ac97 && pid->patch) { 1728 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1729 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1730 pid->patch(ac97); 1731 } 1732 } else 1733 sprintf(name + strlen(name), " id %x", id & 0xff); 1734 } 1735 1736 /** 1737 * snd_ac97_get_short_name - retrieve codec name 1738 * @ac97: the codec instance 1739 * 1740 * Returns the short identifying name of the codec. 1741 */ 1742 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1743 { 1744 const struct ac97_codec_id *pid; 1745 1746 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1747 if (pid->id == (ac97->id & pid->mask)) 1748 return pid->name; 1749 return "unknown codec"; 1750 } 1751 1752 EXPORT_SYMBOL(snd_ac97_get_short_name); 1753 1754 /* wait for a while until registers are accessible after RESET 1755 * return 0 if ok, negative not ready 1756 */ 1757 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1758 { 1759 unsigned long end_time; 1760 unsigned short val; 1761 1762 end_time = jiffies + timeout; 1763 do { 1764 1765 /* use preliminary reads to settle the communication */ 1766 snd_ac97_read(ac97, AC97_RESET); 1767 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1768 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1769 /* modem? */ 1770 if (with_modem) { 1771 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1772 if (val != 0xffff && (val & 1) != 0) 1773 return 0; 1774 } 1775 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1776 /* probably only Xbox issue - all registers are read as zero */ 1777 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1778 if (val != 0 && val != 0xffff) 1779 return 0; 1780 } else { 1781 /* because the PCM or MASTER volume registers can be modified, 1782 * the REC_GAIN register is used for tests 1783 */ 1784 /* test if we can write to the record gain volume register */ 1785 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1786 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1787 return 0; 1788 } 1789 schedule_timeout_uninterruptible(1); 1790 } while (time_after_eq(end_time, jiffies)); 1791 return -ENODEV; 1792 } 1793 1794 /** 1795 * snd_ac97_bus - create an AC97 bus component 1796 * @card: the card instance 1797 * @num: the bus number 1798 * @ops: the bus callbacks table 1799 * @private_data: private data pointer for the new instance 1800 * @rbus: the pointer to store the new AC97 bus instance. 1801 * 1802 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1803 * allocated and initialized. 1804 * 1805 * The ops table must include valid callbacks (at least read and 1806 * write). The other callbacks, wait and reset, are not mandatory. 1807 * 1808 * The clock is set to 48000. If another clock is needed, set 1809 * (*rbus)->clock manually. 1810 * 1811 * The AC97 bus instance is registered as a low-level device, so you don't 1812 * have to release it manually. 1813 * 1814 * Returns zero if successful, or a negative error code on failure. 1815 */ 1816 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1817 void *private_data, struct snd_ac97_bus **rbus) 1818 { 1819 int err; 1820 struct snd_ac97_bus *bus; 1821 static struct snd_device_ops dev_ops = { 1822 .dev_free = snd_ac97_bus_dev_free, 1823 }; 1824 1825 snd_assert(card != NULL, return -EINVAL); 1826 snd_assert(rbus != NULL, return -EINVAL); 1827 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1828 if (bus == NULL) 1829 return -ENOMEM; 1830 bus->card = card; 1831 bus->num = num; 1832 bus->ops = ops; 1833 bus->private_data = private_data; 1834 bus->clock = 48000; 1835 spin_lock_init(&bus->bus_lock); 1836 snd_ac97_bus_proc_init(bus); 1837 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1838 snd_ac97_bus_free(bus); 1839 return err; 1840 } 1841 *rbus = bus; 1842 return 0; 1843 } 1844 1845 EXPORT_SYMBOL(snd_ac97_bus); 1846 1847 /* stop no dev release warning */ 1848 static void ac97_device_release(struct device * dev) 1849 { 1850 } 1851 1852 /* register ac97 codec to bus */ 1853 static int snd_ac97_dev_register(struct snd_device *device) 1854 { 1855 struct snd_ac97 *ac97 = device->device_data; 1856 int err; 1857 1858 ac97->dev.bus = &ac97_bus_type; 1859 ac97->dev.parent = ac97->bus->card->dev; 1860 ac97->dev.release = ac97_device_release; 1861 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s", 1862 ac97->bus->card->number, ac97->num, 1863 snd_ac97_get_short_name(ac97)); 1864 if ((err = device_register(&ac97->dev)) < 0) { 1865 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1866 ac97->dev.bus = NULL; 1867 return err; 1868 } 1869 return 0; 1870 } 1871 1872 /* disconnect ac97 codec */ 1873 static int snd_ac97_dev_disconnect(struct snd_device *device) 1874 { 1875 struct snd_ac97 *ac97 = device->device_data; 1876 if (ac97->dev.bus) 1877 device_unregister(&ac97->dev); 1878 return 0; 1879 } 1880 1881 /* build_ops to do nothing */ 1882 static struct snd_ac97_build_ops null_build_ops; 1883 1884 #ifdef CONFIG_SND_AC97_POWER_SAVE 1885 static void do_update_power(void *data) 1886 { 1887 update_power_regs(data); 1888 } 1889 #endif 1890 1891 /** 1892 * snd_ac97_mixer - create an Codec97 component 1893 * @bus: the AC97 bus which codec is attached to 1894 * @template: the template of ac97, including index, callbacks and 1895 * the private data. 1896 * @rac97: the pointer to store the new ac97 instance. 1897 * 1898 * Creates an Codec97 component. An struct snd_ac97 instance is newly 1899 * allocated and initialized from the template. The codec 1900 * is then initialized by the standard procedure. 1901 * 1902 * The template must include the codec number (num) and address (addr), 1903 * and the private data (private_data). 1904 * 1905 * The ac97 instance is registered as a low-level device, so you don't 1906 * have to release it manually. 1907 * 1908 * Returns zero if successful, or a negative error code on failure. 1909 */ 1910 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 1911 { 1912 int err; 1913 struct snd_ac97 *ac97; 1914 struct snd_card *card; 1915 char name[64]; 1916 unsigned long end_time; 1917 unsigned int reg; 1918 const struct ac97_codec_id *pid; 1919 static struct snd_device_ops ops = { 1920 .dev_free = snd_ac97_dev_free, 1921 .dev_register = snd_ac97_dev_register, 1922 .dev_disconnect = snd_ac97_dev_disconnect, 1923 }; 1924 1925 snd_assert(rac97 != NULL, return -EINVAL); 1926 *rac97 = NULL; 1927 snd_assert(bus != NULL && template != NULL, return -EINVAL); 1928 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL); 1929 1930 card = bus->card; 1931 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 1932 if (ac97 == NULL) 1933 return -ENOMEM; 1934 ac97->private_data = template->private_data; 1935 ac97->private_free = template->private_free; 1936 ac97->bus = bus; 1937 ac97->pci = template->pci; 1938 ac97->num = template->num; 1939 ac97->addr = template->addr; 1940 ac97->scaps = template->scaps; 1941 ac97->res_table = template->res_table; 1942 bus->codec[ac97->num] = ac97; 1943 mutex_init(&ac97->reg_mutex); 1944 mutex_init(&ac97->page_mutex); 1945 #ifdef CONFIG_SND_AC97_POWER_SAVE 1946 ac97->power_workq = create_workqueue("ac97"); 1947 INIT_WORK(&ac97->power_work, do_update_power, ac97); 1948 #endif 1949 1950 #ifdef CONFIG_PCI 1951 if (ac97->pci) { 1952 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 1953 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 1954 } 1955 #endif 1956 if (bus->ops->reset) { 1957 bus->ops->reset(ac97); 1958 goto __access_ok; 1959 } 1960 1961 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 1962 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 1963 if (ac97->id && ac97->id != (unsigned int)-1) { 1964 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 1965 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 1966 goto __access_ok; 1967 } 1968 1969 /* reset to defaults */ 1970 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 1971 snd_ac97_write(ac97, AC97_RESET, 0); 1972 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 1973 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 1974 if (bus->ops->wait) 1975 bus->ops->wait(ac97); 1976 else { 1977 udelay(50); 1978 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 1979 err = ac97_reset_wait(ac97, HZ/2, 1); 1980 else { 1981 err = ac97_reset_wait(ac97, HZ/2, 0); 1982 if (err < 0) 1983 err = ac97_reset_wait(ac97, HZ/2, 1); 1984 } 1985 if (err < 0) { 1986 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 1987 /* proceed anyway - it's often non-critical */ 1988 } 1989 } 1990 __access_ok: 1991 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 1992 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 1993 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 1994 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 1995 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 1996 snd_ac97_free(ac97); 1997 return -EIO; 1998 } 1999 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2000 if (pid) 2001 ac97->flags |= pid->flags; 2002 2003 /* test for AC'97 */ 2004 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2005 /* test if we can write to the record gain volume register */ 2006 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2007 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 2008 ac97->scaps |= AC97_SCAP_AUDIO; 2009 } 2010 if (ac97->scaps & AC97_SCAP_AUDIO) { 2011 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2012 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2013 if (ac97->ext_id == 0xffff) /* invalid combination */ 2014 ac97->ext_id = 0; 2015 } 2016 2017 /* test for MC'97 */ 2018 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2019 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2020 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2021 ac97->ext_mid = 0; 2022 if (ac97->ext_mid & 1) 2023 ac97->scaps |= AC97_SCAP_MODEM; 2024 } 2025 2026 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2027 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2028 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 2029 snd_ac97_free(ac97); 2030 return -EACCES; 2031 } 2032 2033 if (bus->ops->reset) // FIXME: always skipping? 2034 goto __ready_ok; 2035 2036 /* FIXME: add powerdown control */ 2037 if (ac97_is_audio(ac97)) { 2038 /* nothing should be in powerdown mode */ 2039 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2040 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2041 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2042 udelay(100); 2043 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2044 } 2045 /* nothing should be in powerdown mode */ 2046 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2047 end_time = jiffies + (HZ / 10); 2048 do { 2049 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2050 goto __ready_ok; 2051 schedule_timeout_uninterruptible(1); 2052 } while (time_after_eq(end_time, jiffies)); 2053 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 2054 } 2055 2056 /* FIXME: add powerdown control */ 2057 if (ac97_is_modem(ac97)) { 2058 unsigned char tmp; 2059 2060 /* nothing should be in powerdown mode */ 2061 /* note: it's important to set the rate at first */ 2062 tmp = AC97_MEA_GPIO; 2063 if (ac97->ext_mid & AC97_MEI_LINE1) { 2064 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2065 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2066 } 2067 if (ac97->ext_mid & AC97_MEI_LINE2) { 2068 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2069 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2070 } 2071 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2072 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2073 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2074 } 2075 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2076 udelay(100); 2077 /* nothing should be in powerdown mode */ 2078 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2079 end_time = jiffies + (HZ / 10); 2080 do { 2081 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2082 goto __ready_ok; 2083 schedule_timeout_uninterruptible(1); 2084 } while (time_after_eq(end_time, jiffies)); 2085 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2086 } 2087 2088 __ready_ok: 2089 if (ac97_is_audio(ac97)) 2090 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2091 else 2092 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2093 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2094 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2095 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2096 if (! bus->no_vra) 2097 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2098 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2099 } 2100 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2101 /* Intel controllers require double rate data to be put in 2102 * slots 7+8, so let's hope the codec supports it. */ 2103 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2104 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2105 ac97->flags |= AC97_DOUBLE_RATE; 2106 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2107 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2108 } 2109 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2110 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2111 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2112 } else { 2113 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2114 if (ac97->flags & AC97_DOUBLE_RATE) 2115 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2116 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2117 } 2118 if (ac97->ext_id & AC97_EI_SPDIF) { 2119 /* codec specific code (patch) should override these values */ 2120 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2121 } 2122 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2123 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2124 } else { 2125 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2126 } 2127 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2128 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2129 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2130 } 2131 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2132 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2133 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2134 } 2135 /* additional initializations */ 2136 if (bus->ops->init) 2137 bus->ops->init(ac97); 2138 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2139 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2140 if (! ac97->build_ops) 2141 ac97->build_ops = &null_build_ops; 2142 2143 if (ac97_is_audio(ac97)) { 2144 char comp[16]; 2145 if (card->mixername[0] == '\0') { 2146 strcpy(card->mixername, name); 2147 } else { 2148 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2149 strcat(card->mixername, ","); 2150 strcat(card->mixername, name); 2151 } 2152 } 2153 sprintf(comp, "AC97a:%08x", ac97->id); 2154 if ((err = snd_component_add(card, comp)) < 0) { 2155 snd_ac97_free(ac97); 2156 return err; 2157 } 2158 if (snd_ac97_mixer_build(ac97) < 0) { 2159 snd_ac97_free(ac97); 2160 return -ENOMEM; 2161 } 2162 } 2163 if (ac97_is_modem(ac97)) { 2164 char comp[16]; 2165 if (card->mixername[0] == '\0') { 2166 strcpy(card->mixername, name); 2167 } else { 2168 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2169 strcat(card->mixername, ","); 2170 strcat(card->mixername, name); 2171 } 2172 } 2173 sprintf(comp, "AC97m:%08x", ac97->id); 2174 if ((err = snd_component_add(card, comp)) < 0) { 2175 snd_ac97_free(ac97); 2176 return err; 2177 } 2178 if (snd_ac97_modem_build(card, ac97) < 0) { 2179 snd_ac97_free(ac97); 2180 return -ENOMEM; 2181 } 2182 } 2183 if (ac97_is_audio(ac97)) 2184 update_power_regs(ac97); 2185 snd_ac97_proc_init(ac97); 2186 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2187 snd_ac97_free(ac97); 2188 return err; 2189 } 2190 *rac97 = ac97; 2191 return 0; 2192 } 2193 2194 EXPORT_SYMBOL(snd_ac97_mixer); 2195 2196 /* 2197 * Power down the chip. 2198 * 2199 * MASTER and HEADPHONE registers are muted but the register cache values 2200 * are not changed, so that the values can be restored in snd_ac97_resume(). 2201 */ 2202 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2203 { 2204 unsigned short power; 2205 2206 if (ac97_is_audio(ac97)) { 2207 /* some codecs have stereo mute bits */ 2208 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2209 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2210 } 2211 2212 /* surround, CLFE, mic powerdown */ 2213 power = ac97->regs[AC97_EXTENDED_STATUS]; 2214 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2215 power |= AC97_EA_PRJ; 2216 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2217 power |= AC97_EA_PRI | AC97_EA_PRK; 2218 power |= AC97_EA_PRL; 2219 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2220 2221 /* powerdown external amplifier */ 2222 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2223 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2224 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2225 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2226 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2227 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2228 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2229 udelay(100); 2230 power |= AC97_PD_PR2 | AC97_PD_PR3; /* Analog Mixer powerdown */ 2231 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2232 #ifdef CONFIG_SND_AC97_POWER_SAVE 2233 if (power_save) { 2234 udelay(100); 2235 /* AC-link powerdown, internal Clk disable */ 2236 /* FIXME: this may cause click noises on some boards */ 2237 power |= AC97_PD_PR4 | AC97_PD_PR5; 2238 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2239 } 2240 #endif 2241 } 2242 2243 2244 struct ac97_power_reg { 2245 unsigned short reg; 2246 unsigned short power_reg; 2247 unsigned short mask; 2248 }; 2249 2250 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2251 2252 static struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2253 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2254 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2255 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2256 AC97_EA_PRI | AC97_EA_PRK}, 2257 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2258 AC97_EA_PRJ}, 2259 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2260 AC97_EA_PRL}, 2261 }; 2262 2263 #ifdef CONFIG_SND_AC97_POWER_SAVE 2264 /** 2265 * snd_ac97_update_power - update the powerdown register 2266 * @ac97: the codec instance 2267 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2268 * @powerup: non-zero when power up the part 2269 * 2270 * Update the AC97 powerdown register bits of the given part. 2271 */ 2272 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2273 { 2274 int i; 2275 2276 if (! ac97) 2277 return 0; 2278 2279 if (reg) { 2280 /* SPDIF requires DAC power, too */ 2281 if (reg == AC97_SPDIF) 2282 reg = AC97_PCM_FRONT_DAC_RATE; 2283 for (i = 0; i < PWIDX_SIZE; i++) { 2284 if (power_regs[i].reg == reg) { 2285 if (powerup) 2286 ac97->power_up |= (1 << i); 2287 else 2288 ac97->power_up &= ~(1 << i); 2289 break; 2290 } 2291 } 2292 } 2293 2294 if (! power_save) 2295 return 0; 2296 2297 if (! powerup && ac97->power_workq) 2298 /* adjust power-down bits after two seconds delay 2299 * (for avoiding loud click noises for many (OSS) apps 2300 * that open/close frequently) 2301 */ 2302 queue_delayed_work(ac97->power_workq, &ac97->power_work, HZ*2); 2303 else 2304 update_power_regs(ac97); 2305 2306 return 0; 2307 } 2308 2309 EXPORT_SYMBOL(snd_ac97_update_power); 2310 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2311 2312 static void update_power_regs(struct snd_ac97 *ac97) 2313 { 2314 unsigned int power_up, bits; 2315 int i; 2316 2317 #ifdef CONFIG_SND_AC97_POWER_SAVE 2318 if (power_save) 2319 power_up = ac97->power_up; 2320 else { 2321 #endif 2322 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2323 power_up |= (1 << PWIDX_MIC); 2324 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2325 power_up |= (1 << PWIDX_SURR); 2326 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2327 power_up |= (1 << PWIDX_CLFE); 2328 #ifdef CONFIG_SND_AC97_POWER_SAVE 2329 } 2330 #endif 2331 if (power_up) { 2332 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2333 /* needs power-up analog mix and vref */ 2334 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2335 AC97_PD_PR3, 0); 2336 msleep(1); 2337 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2338 AC97_PD_PR2, 0); 2339 } 2340 } 2341 for (i = 0; i < PWIDX_SIZE; i++) { 2342 if (power_up & (1 << i)) 2343 bits = 0; 2344 else 2345 bits = power_regs[i].mask; 2346 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2347 power_regs[i].mask, bits); 2348 } 2349 if (! power_up) { 2350 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2351 /* power down analog mix and vref */ 2352 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2353 AC97_PD_PR2, AC97_PD_PR2); 2354 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2355 AC97_PD_PR3, AC97_PD_PR3); 2356 } 2357 } 2358 } 2359 2360 2361 #ifdef CONFIG_PM 2362 /** 2363 * snd_ac97_suspend - General suspend function for AC97 codec 2364 * @ac97: the ac97 instance 2365 * 2366 * Suspends the codec, power down the chip. 2367 */ 2368 void snd_ac97_suspend(struct snd_ac97 *ac97) 2369 { 2370 if (! ac97) 2371 return; 2372 if (ac97->build_ops->suspend) 2373 ac97->build_ops->suspend(ac97); 2374 snd_ac97_powerdown(ac97); 2375 } 2376 2377 EXPORT_SYMBOL(snd_ac97_suspend); 2378 2379 /* 2380 * restore ac97 status 2381 */ 2382 void snd_ac97_restore_status(struct snd_ac97 *ac97) 2383 { 2384 int i; 2385 2386 for (i = 2; i < 0x7c ; i += 2) { 2387 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2388 continue; 2389 /* restore only accessible registers 2390 * some chip (e.g. nm256) may hang up when unsupported registers 2391 * are accessed..! 2392 */ 2393 if (test_bit(i, ac97->reg_accessed)) { 2394 snd_ac97_write(ac97, i, ac97->regs[i]); 2395 snd_ac97_read(ac97, i); 2396 } 2397 } 2398 } 2399 2400 /* 2401 * restore IEC958 status 2402 */ 2403 void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2404 { 2405 if (ac97->ext_id & AC97_EI_SPDIF) { 2406 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2407 /* reset spdif status */ 2408 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2409 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2410 if (ac97->flags & AC97_CS_SPDIF) 2411 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2412 else 2413 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2414 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2415 } 2416 } 2417 } 2418 2419 /** 2420 * snd_ac97_resume - General resume function for AC97 codec 2421 * @ac97: the ac97 instance 2422 * 2423 * Do the standard resume procedure, power up and restoring the 2424 * old register values. 2425 */ 2426 void snd_ac97_resume(struct snd_ac97 *ac97) 2427 { 2428 unsigned long end_time; 2429 2430 if (! ac97) 2431 return; 2432 2433 if (ac97->bus->ops->reset) { 2434 ac97->bus->ops->reset(ac97); 2435 goto __reset_ready; 2436 } 2437 2438 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2439 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2440 snd_ac97_write(ac97, AC97_RESET, 0); 2441 udelay(100); 2442 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2443 } 2444 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2445 2446 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2447 if (ac97_is_audio(ac97)) { 2448 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2449 end_time = jiffies + msecs_to_jiffies(100); 2450 do { 2451 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2452 break; 2453 schedule_timeout_uninterruptible(1); 2454 } while (time_after_eq(end_time, jiffies)); 2455 /* FIXME: extra delay */ 2456 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); 2457 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) 2458 msleep(250); 2459 } else { 2460 end_time = jiffies + msecs_to_jiffies(100); 2461 do { 2462 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2463 if (val != 0xffff && (val & 1) != 0) 2464 break; 2465 schedule_timeout_uninterruptible(1); 2466 } while (time_after_eq(end_time, jiffies)); 2467 } 2468 __reset_ready: 2469 2470 if (ac97->bus->ops->init) 2471 ac97->bus->ops->init(ac97); 2472 2473 if (ac97->build_ops->resume) 2474 ac97->build_ops->resume(ac97); 2475 else { 2476 snd_ac97_restore_status(ac97); 2477 snd_ac97_restore_iec958(ac97); 2478 } 2479 } 2480 2481 EXPORT_SYMBOL(snd_ac97_resume); 2482 #endif 2483 2484 2485 /* 2486 * Hardware tuning 2487 */ 2488 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2489 { 2490 if (suffix) 2491 sprintf(dst, "%s %s", src, suffix); 2492 else 2493 strcpy(dst, src); 2494 } 2495 2496 /* remove the control with the given name and optional suffix */ 2497 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix) 2498 { 2499 struct snd_ctl_elem_id id; 2500 memset(&id, 0, sizeof(id)); 2501 set_ctl_name(id.name, name, suffix); 2502 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2503 return snd_ctl_remove_id(ac97->bus->card, &id); 2504 } 2505 2506 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2507 { 2508 struct snd_ctl_elem_id sid; 2509 memset(&sid, 0, sizeof(sid)); 2510 set_ctl_name(sid.name, name, suffix); 2511 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2512 return snd_ctl_find_id(ac97->bus->card, &sid); 2513 } 2514 2515 /* rename the control with the given name and optional suffix */ 2516 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix) 2517 { 2518 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2519 if (kctl) { 2520 set_ctl_name(kctl->id.name, dst, suffix); 2521 return 0; 2522 } 2523 return -ENOENT; 2524 } 2525 2526 /* rename both Volume and Switch controls - don't check the return value */ 2527 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst) 2528 { 2529 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2530 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2531 } 2532 2533 /* swap controls */ 2534 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix) 2535 { 2536 struct snd_kcontrol *kctl1, *kctl2; 2537 kctl1 = ctl_find(ac97, s1, suffix); 2538 kctl2 = ctl_find(ac97, s2, suffix); 2539 if (kctl1 && kctl2) { 2540 set_ctl_name(kctl1->id.name, s2, suffix); 2541 set_ctl_name(kctl2->id.name, s1, suffix); 2542 return 0; 2543 } 2544 return -ENOENT; 2545 } 2546 2547 #if 1 2548 /* bind hp and master controls instead of using only hp control */ 2549 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2550 { 2551 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2552 if (err > 0) { 2553 unsigned long priv_saved = kcontrol->private_value; 2554 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2555 snd_ac97_put_volsw(kcontrol, ucontrol); 2556 kcontrol->private_value = priv_saved; 2557 } 2558 return err; 2559 } 2560 2561 /* ac97 tune: bind Master and Headphone controls */ 2562 static int tune_hp_only(struct snd_ac97 *ac97) 2563 { 2564 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2565 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2566 if (! msw || ! mvol) 2567 return -ENOENT; 2568 msw->put = bind_hp_volsw_put; 2569 mvol->put = bind_hp_volsw_put; 2570 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2571 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2572 return 0; 2573 } 2574 2575 #else 2576 /* ac97 tune: use Headphone control as master */ 2577 static int tune_hp_only(struct snd_ac97 *ac97) 2578 { 2579 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2580 return -ENOENT; 2581 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2582 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2583 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2584 return 0; 2585 } 2586 #endif 2587 2588 /* ac97 tune: swap Headphone and Master controls */ 2589 static int tune_swap_hp(struct snd_ac97 *ac97) 2590 { 2591 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2592 return -ENOENT; 2593 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2594 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2595 return 0; 2596 } 2597 2598 /* ac97 tune: swap Surround and Master controls */ 2599 static int tune_swap_surround(struct snd_ac97 *ac97) 2600 { 2601 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2602 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2603 return -ENOENT; 2604 return 0; 2605 } 2606 2607 /* ac97 tune: set up mic sharing for AD codecs */ 2608 static int tune_ad_sharing(struct snd_ac97 *ac97) 2609 { 2610 unsigned short scfg; 2611 if ((ac97->id & 0xffffff00) != 0x41445300) { 2612 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2613 return -EINVAL; 2614 } 2615 /* Turn on OMS bit to route microphone to back panel */ 2616 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2617 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2618 return 0; 2619 } 2620 2621 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2622 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2623 2624 /* ac97 tune: set up ALC jack-select */ 2625 static int tune_alc_jack(struct snd_ac97 *ac97) 2626 { 2627 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2628 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2629 return -EINVAL; 2630 } 2631 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2632 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2633 if (ac97->id == AC97_ID_ALC658D) 2634 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2635 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2636 } 2637 2638 /* ac97 tune: inversed EAPD bit */ 2639 static int tune_inv_eapd(struct snd_ac97 *ac97) 2640 { 2641 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2642 if (! kctl) 2643 return -ENOENT; 2644 set_inv_eapd(ac97, kctl); 2645 return 0; 2646 } 2647 2648 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2649 { 2650 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2651 if (err > 0) { 2652 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2653 int shift = (kcontrol->private_value >> 8) & 0x0f; 2654 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2655 unsigned short mask; 2656 if (shift != rshift) 2657 mask = 0x8080; 2658 else 2659 mask = 0x8000; 2660 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2661 (ac97->regs[AC97_MASTER] & mask) == mask ? 2662 0x8000 : 0); 2663 } 2664 return err; 2665 } 2666 2667 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2668 static int tune_mute_led(struct snd_ac97 *ac97) 2669 { 2670 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2671 if (! msw) 2672 return -ENOENT; 2673 msw->put = master_mute_sw_put; 2674 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2675 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2676 ac97->scaps |= AC97_SCAP_EAPD_LED; 2677 return 0; 2678 } 2679 2680 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2681 struct snd_ctl_elem_value *ucontrol) 2682 { 2683 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2684 if (err > 0) { 2685 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2686 int shift = (kcontrol->private_value >> 8) & 0x0f; 2687 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2688 unsigned short mask; 2689 if (shift != rshift) 2690 mask = 0x8080; 2691 else 2692 mask = 0x8000; 2693 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2694 (ac97->regs[AC97_MASTER] & mask) == mask ? 2695 0x8000 : 0); 2696 } 2697 return err; 2698 } 2699 2700 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2701 { 2702 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2703 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2704 if (! msw || ! mvol) 2705 return -ENOENT; 2706 msw->put = hp_master_mute_sw_put; 2707 mvol->put = bind_hp_volsw_put; 2708 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2709 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2710 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2711 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2712 return 0; 2713 } 2714 2715 struct quirk_table { 2716 const char *name; 2717 int (*func)(struct snd_ac97 *); 2718 }; 2719 2720 static struct quirk_table applicable_quirks[] = { 2721 { "none", NULL }, 2722 { "hp_only", tune_hp_only }, 2723 { "swap_hp", tune_swap_hp }, 2724 { "swap_surround", tune_swap_surround }, 2725 { "ad_sharing", tune_ad_sharing }, 2726 { "alc_jack", tune_alc_jack }, 2727 { "inv_eapd", tune_inv_eapd }, 2728 { "mute_led", tune_mute_led }, 2729 { "hp_mute_led", tune_hp_mute_led }, 2730 }; 2731 2732 /* apply the quirk with the given type */ 2733 static int apply_quirk(struct snd_ac97 *ac97, int type) 2734 { 2735 if (type <= 0) 2736 return 0; 2737 else if (type >= ARRAY_SIZE(applicable_quirks)) 2738 return -EINVAL; 2739 if (applicable_quirks[type].func) 2740 return applicable_quirks[type].func(ac97); 2741 return 0; 2742 } 2743 2744 /* apply the quirk with the given name */ 2745 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2746 { 2747 int i; 2748 struct quirk_table *q; 2749 2750 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2751 q = &applicable_quirks[i]; 2752 if (q->name && ! strcmp(typestr, q->name)) 2753 return apply_quirk(ac97, i); 2754 } 2755 /* for compatibility, accept the numbers, too */ 2756 if (*typestr >= '0' && *typestr <= '9') 2757 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2758 return -EINVAL; 2759 } 2760 2761 /** 2762 * snd_ac97_tune_hardware - tune up the hardware 2763 * @ac97: the ac97 instance 2764 * @quirk: quirk list 2765 * @override: explicit quirk value (overrides the list if non-NULL) 2766 * 2767 * Do some workaround for each pci device, such as renaming of the 2768 * headphone (true line-out) control as "Master". 2769 * The quirk-list must be terminated with a zero-filled entry. 2770 * 2771 * Returns zero if successful, or a negative error code on failure. 2772 */ 2773 2774 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) 2775 { 2776 int result; 2777 2778 /* quirk overriden? */ 2779 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2780 result = apply_quirk_str(ac97, override); 2781 if (result < 0) 2782 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2783 return result; 2784 } 2785 2786 if (! quirk) 2787 return -EINVAL; 2788 2789 for (; quirk->subvendor; quirk++) { 2790 if (quirk->subvendor != ac97->subsystem_vendor) 2791 continue; 2792 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2793 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2794 if (quirk->codec_id && quirk->codec_id != ac97->id) 2795 continue; 2796 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2797 result = apply_quirk(ac97, quirk->type); 2798 if (result < 0) 2799 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2800 return result; 2801 } 2802 } 2803 return 0; 2804 } 2805 2806 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2807 2808 /* 2809 * INIT part 2810 */ 2811 2812 static int __init alsa_ac97_init(void) 2813 { 2814 return 0; 2815 } 2816 2817 static void __exit alsa_ac97_exit(void) 2818 { 2819 } 2820 2821 module_init(alsa_ac97_init) 2822 module_exit(alsa_ac97_exit) 2823