1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@perex.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 <linux/delay.h> 26 #include <linux/init.h> 27 #include <linux/slab.h> 28 #include <linux/pci.h> 29 #include <linux/moduleparam.h> 30 #include <linux/mutex.h> 31 #include <sound/core.h> 32 #include <sound/pcm.h> 33 #include <sound/tlv.h> 34 #include <sound/ac97_codec.h> 35 #include <sound/asoundef.h> 36 #include <sound/initval.h> 37 #include "ac97_id.h" 38 39 #include "ac97_patch.c" 40 41 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.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 = CONFIG_SND_AC97_POWER_SAVE_DEFAULT; 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_ad1986, 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, "CMI9761A", patch_cm9761, NULL }, 132 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL }, 133 { 0x434d4983, 0xffffffff, "CMI9761A+", 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 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL }, 146 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 147 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028? 148 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 149 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 150 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 151 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 152 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 153 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 154 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 155 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 156 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 157 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 158 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 159 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix 160 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL }, 161 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 162 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 163 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 164 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 165 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 166 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 167 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 168 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 169 { 0x56494182, 0xffffffff, "VIA1618", NULL, NULL }, 170 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 171 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL }, 172 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 173 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 174 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 175 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 176 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL}, 177 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 178 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL }, 179 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 180 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 181 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 182 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 183 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 184 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 185 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 186 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 187 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 188 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 189 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 190 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 191 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 192 { 0, 0, NULL, NULL, NULL } 193 }; 194 195 196 static void update_power_regs(struct snd_ac97 *ac97); 197 #ifdef CONFIG_SND_AC97_POWER_SAVE 198 #define ac97_is_power_save_mode(ac97) \ 199 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save) 200 #else 201 #define ac97_is_power_save_mode(ac97) 0 202 #endif 203 204 205 /* 206 * I/O routines 207 */ 208 209 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 210 { 211 /* filter some registers for buggy codecs */ 212 switch (ac97->id) { 213 case AC97_ID_AK4540: 214 case AC97_ID_AK4542: 215 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 216 return 1; 217 return 0; 218 case AC97_ID_AD1819: /* AD1819 */ 219 case AC97_ID_AD1881: /* AD1881 */ 220 case AC97_ID_AD1881A: /* AD1881A */ 221 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 222 return 0; 223 return 1; 224 case AC97_ID_AD1885: /* AD1885 */ 225 case AC97_ID_AD1886: /* AD1886 */ 226 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 227 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 228 if (reg == 0x5a) 229 return 1; 230 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 231 return 0; 232 return 1; 233 case AC97_ID_STAC9700: 234 case AC97_ID_STAC9704: 235 case AC97_ID_STAC9705: 236 case AC97_ID_STAC9708: 237 case AC97_ID_STAC9721: 238 case AC97_ID_STAC9744: 239 case AC97_ID_STAC9756: 240 if (reg <= 0x3a || reg >= 0x5a) 241 return 1; 242 return 0; 243 } 244 return 1; 245 } 246 247 /** 248 * snd_ac97_write - write a value on the given register 249 * @ac97: the ac97 instance 250 * @reg: the register to change 251 * @value: the value to set 252 * 253 * Writes a value on the given register. This will invoke the write 254 * callback directly after the register check. 255 * This function doesn't change the register cache unlike 256 * #snd_ca97_write_cache(), so use this only when you don't want to 257 * reflect the change to the suspend/resume state. 258 */ 259 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 260 { 261 if (!snd_ac97_valid_reg(ac97, reg)) 262 return; 263 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 264 /* Fix H/W bug of ALC100/100P */ 265 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 266 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 267 } 268 ac97->bus->ops->write(ac97, reg, value); 269 } 270 271 EXPORT_SYMBOL(snd_ac97_write); 272 273 /** 274 * snd_ac97_read - read a value from the given register 275 * 276 * @ac97: the ac97 instance 277 * @reg: the register to read 278 * 279 * Reads a value from the given register. This will invoke the read 280 * callback directly after the register check. 281 * 282 * Returns the read value. 283 */ 284 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 285 { 286 if (!snd_ac97_valid_reg(ac97, reg)) 287 return 0; 288 return ac97->bus->ops->read(ac97, reg); 289 } 290 291 /* read a register - return the cached value if already read */ 292 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 293 { 294 if (! test_bit(reg, ac97->reg_accessed)) { 295 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 296 // set_bit(reg, ac97->reg_accessed); 297 } 298 return ac97->regs[reg]; 299 } 300 301 EXPORT_SYMBOL(snd_ac97_read); 302 303 /** 304 * snd_ac97_write_cache - write a value on the given register and update the cache 305 * @ac97: the ac97 instance 306 * @reg: the register to change 307 * @value: the value to set 308 * 309 * Writes a value on the given register and updates the register 310 * cache. The cached values are used for the cached-read and the 311 * suspend/resume. 312 */ 313 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 314 { 315 if (!snd_ac97_valid_reg(ac97, reg)) 316 return; 317 mutex_lock(&ac97->reg_mutex); 318 ac97->regs[reg] = value; 319 ac97->bus->ops->write(ac97, reg, value); 320 set_bit(reg, ac97->reg_accessed); 321 mutex_unlock(&ac97->reg_mutex); 322 } 323 324 EXPORT_SYMBOL(snd_ac97_write_cache); 325 326 /** 327 * snd_ac97_update - update the value on the given register 328 * @ac97: the ac97 instance 329 * @reg: the register to change 330 * @value: the value to set 331 * 332 * Compares the value with the register cache and updates the value 333 * only when the value is changed. 334 * 335 * Returns 1 if the value is changed, 0 if no change, or a negative 336 * code on failure. 337 */ 338 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 339 { 340 int change; 341 342 if (!snd_ac97_valid_reg(ac97, reg)) 343 return -EINVAL; 344 mutex_lock(&ac97->reg_mutex); 345 change = ac97->regs[reg] != value; 346 if (change) { 347 ac97->regs[reg] = value; 348 ac97->bus->ops->write(ac97, reg, value); 349 } 350 set_bit(reg, ac97->reg_accessed); 351 mutex_unlock(&ac97->reg_mutex); 352 return change; 353 } 354 355 EXPORT_SYMBOL(snd_ac97_update); 356 357 /** 358 * snd_ac97_update_bits - update the bits on the given register 359 * @ac97: the ac97 instance 360 * @reg: the register to change 361 * @mask: the bit-mask to change 362 * @value: the value to set 363 * 364 * Updates the masked-bits on the given register only when the value 365 * is changed. 366 * 367 * Returns 1 if the bits are changed, 0 if no change, or a negative 368 * code on failure. 369 */ 370 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 371 { 372 int change; 373 374 if (!snd_ac97_valid_reg(ac97, reg)) 375 return -EINVAL; 376 mutex_lock(&ac97->reg_mutex); 377 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 378 mutex_unlock(&ac97->reg_mutex); 379 return change; 380 } 381 382 EXPORT_SYMBOL(snd_ac97_update_bits); 383 384 /* no lock version - see snd_ac97_updat_bits() */ 385 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 386 unsigned short mask, unsigned short value) 387 { 388 int change; 389 unsigned short old, new; 390 391 old = snd_ac97_read_cache(ac97, reg); 392 new = (old & ~mask) | (value & mask); 393 change = old != new; 394 if (change) { 395 ac97->regs[reg] = new; 396 ac97->bus->ops->write(ac97, reg, new); 397 } 398 set_bit(reg, ac97->reg_accessed); 399 return change; 400 } 401 402 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 403 { 404 int change; 405 unsigned short old, new, cfg; 406 407 mutex_lock(&ac97->page_mutex); 408 old = ac97->spec.ad18xx.pcmreg[codec]; 409 new = (old & ~mask) | (value & mask); 410 change = old != new; 411 if (change) { 412 mutex_lock(&ac97->reg_mutex); 413 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 414 ac97->spec.ad18xx.pcmreg[codec] = new; 415 /* select single codec */ 416 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 417 (cfg & ~0x7000) | 418 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 419 /* update PCM bits */ 420 ac97->bus->ops->write(ac97, AC97_PCM, new); 421 /* select all codecs */ 422 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 423 cfg | 0x7000); 424 mutex_unlock(&ac97->reg_mutex); 425 } 426 mutex_unlock(&ac97->page_mutex); 427 return change; 428 } 429 430 /* 431 * Controls 432 */ 433 434 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, 435 struct snd_ctl_elem_info *uinfo) 436 { 437 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 438 439 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 440 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 441 uinfo->value.enumerated.items = e->mask; 442 443 if (uinfo->value.enumerated.item > e->mask - 1) 444 uinfo->value.enumerated.item = e->mask - 1; 445 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 446 return 0; 447 } 448 449 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, 450 struct snd_ctl_elem_value *ucontrol) 451 { 452 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 453 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 454 unsigned short val, bitmask; 455 456 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 457 ; 458 val = snd_ac97_read_cache(ac97, e->reg); 459 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 460 if (e->shift_l != e->shift_r) 461 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 462 463 return 0; 464 } 465 466 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, 467 struct snd_ctl_elem_value *ucontrol) 468 { 469 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 470 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 471 unsigned short val; 472 unsigned short mask, bitmask; 473 474 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 475 ; 476 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 477 return -EINVAL; 478 val = ucontrol->value.enumerated.item[0] << e->shift_l; 479 mask = (bitmask - 1) << e->shift_l; 480 if (e->shift_l != e->shift_r) { 481 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 482 return -EINVAL; 483 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 484 mask |= (bitmask - 1) << e->shift_r; 485 } 486 return snd_ac97_update_bits(ac97, e->reg, mask, val); 487 } 488 489 /* save/restore ac97 v2.3 paging */ 490 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 491 { 492 int page_save = -1; 493 if ((kcontrol->private_value & (1<<25)) && 494 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 495 (reg >= 0x60 && reg < 0x70)) { 496 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 497 mutex_lock(&ac97->page_mutex); /* lock paging */ 498 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 499 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 500 } 501 return page_save; 502 } 503 504 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 505 { 506 if (page_save >= 0) { 507 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 508 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 509 } 510 } 511 512 /* volume and switch controls */ 513 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, 514 struct snd_ctl_elem_info *uinfo) 515 { 516 int mask = (kcontrol->private_value >> 16) & 0xff; 517 int shift = (kcontrol->private_value >> 8) & 0x0f; 518 int rshift = (kcontrol->private_value >> 12) & 0x0f; 519 520 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 521 uinfo->count = shift == rshift ? 1 : 2; 522 uinfo->value.integer.min = 0; 523 uinfo->value.integer.max = mask; 524 return 0; 525 } 526 527 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, 528 struct snd_ctl_elem_value *ucontrol) 529 { 530 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 531 int reg = kcontrol->private_value & 0xff; 532 int shift = (kcontrol->private_value >> 8) & 0x0f; 533 int rshift = (kcontrol->private_value >> 12) & 0x0f; 534 int mask = (kcontrol->private_value >> 16) & 0xff; 535 int invert = (kcontrol->private_value >> 24) & 0x01; 536 int page_save; 537 538 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 539 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 540 if (shift != rshift) 541 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 542 if (invert) { 543 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 544 if (shift != rshift) 545 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 546 } 547 snd_ac97_page_restore(ac97, page_save); 548 return 0; 549 } 550 551 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, 552 struct snd_ctl_elem_value *ucontrol) 553 { 554 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 555 int reg = kcontrol->private_value & 0xff; 556 int shift = (kcontrol->private_value >> 8) & 0x0f; 557 int rshift = (kcontrol->private_value >> 12) & 0x0f; 558 int mask = (kcontrol->private_value >> 16) & 0xff; 559 int invert = (kcontrol->private_value >> 24) & 0x01; 560 int err, page_save; 561 unsigned short val, val2, val_mask; 562 563 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 564 val = (ucontrol->value.integer.value[0] & mask); 565 if (invert) 566 val = mask - val; 567 val_mask = mask << shift; 568 val = val << shift; 569 if (shift != rshift) { 570 val2 = (ucontrol->value.integer.value[1] & mask); 571 if (invert) 572 val2 = mask - val2; 573 val_mask |= mask << rshift; 574 val |= val2 << rshift; 575 } 576 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 577 snd_ac97_page_restore(ac97, page_save); 578 #ifdef CONFIG_SND_AC97_POWER_SAVE 579 /* check analog mixer power-down */ 580 if ((val_mask & 0x8000) && 581 (kcontrol->private_value & (1<<30))) { 582 if (val & 0x8000) 583 ac97->power_up &= ~(1 << (reg>>1)); 584 else 585 ac97->power_up |= 1 << (reg>>1); 586 update_power_regs(ac97); 587 } 588 #endif 589 return err; 590 } 591 592 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 593 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 594 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 595 }; 596 597 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 598 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 599 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 600 }; 601 602 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 603 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), 604 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) 605 }; 606 607 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 608 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 609 610 611 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 612 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 613 static const char* std_mix[] = {"Mix", "Mic"}; 614 static const char* std_mic[] = {"Mic1", "Mic2"}; 615 616 static const struct ac97_enum std_enum[] = { 617 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 618 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 619 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 621 }; 622 623 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 624 AC97_ENUM("Capture Source", std_enum[0]); 625 626 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 627 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 628 629 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 630 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 631 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 632 }; 633 634 enum { 635 AC97_GENERAL_PCM_OUT = 0, 636 AC97_GENERAL_STEREO_ENHANCEMENT, 637 AC97_GENERAL_3D, 638 AC97_GENERAL_LOUDNESS, 639 AC97_GENERAL_MONO, 640 AC97_GENERAL_MIC, 641 AC97_GENERAL_LOOPBACK 642 }; 643 644 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 645 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 646 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 647 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 648 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 649 AC97_ENUM("Mono Output Select", std_enum[2]), 650 AC97_ENUM("Mic Select", std_enum[3]), 651 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 652 }; 653 654 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 655 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 656 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 657 }; 658 659 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 660 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 661 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 662 }; 663 664 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 665 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 666 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 667 }; 668 669 static const struct snd_kcontrol_new snd_ac97_control_eapd = 670 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 671 672 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 673 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 674 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 675 }; 676 677 /* change the existing EAPD control as inverted */ 678 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 679 { 680 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 681 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 682 ac97->scaps |= AC97_SCAP_INV_EAPD; 683 } 684 685 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 686 { 687 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 688 uinfo->count = 1; 689 return 0; 690 } 691 692 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 693 { 694 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 695 IEC958_AES0_NONAUDIO | 696 IEC958_AES0_CON_EMPHASIS_5015 | 697 IEC958_AES0_CON_NOT_COPYRIGHT; 698 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 699 IEC958_AES1_CON_ORIGINAL; 700 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 701 return 0; 702 } 703 704 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 705 { 706 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 707 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 708 IEC958_AES0_NONAUDIO | 709 IEC958_AES0_PRO_FS | 710 IEC958_AES0_PRO_EMPHASIS_5015; 711 return 0; 712 } 713 714 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 715 { 716 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 717 718 mutex_lock(&ac97->reg_mutex); 719 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 720 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 721 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 722 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 723 mutex_unlock(&ac97->reg_mutex); 724 return 0; 725 } 726 727 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 728 { 729 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 730 unsigned int new = 0; 731 unsigned short val = 0; 732 int change; 733 734 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 735 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 736 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 737 switch (new & IEC958_AES0_PRO_FS) { 738 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 739 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 740 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 741 default: val |= 1<<12; break; 742 } 743 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 744 val |= 1<<3; 745 } else { 746 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 747 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 748 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 749 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 750 val |= 1<<3; 751 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 752 val |= 1<<2; 753 val |= ((new >> 8) & 0xff) << 4; // category + original 754 switch ((new >> 24) & 0xff) { 755 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 756 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 757 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 758 default: val |= 1<<12; break; 759 } 760 } 761 762 mutex_lock(&ac97->reg_mutex); 763 change = ac97->spdif_status != new; 764 ac97->spdif_status = new; 765 766 if (ac97->flags & AC97_CS_SPDIF) { 767 int x = (val >> 12) & 0x03; 768 switch (x) { 769 case 0: x = 1; break; // 44.1 770 case 2: x = 0; break; // 48.0 771 default: x = 0; break; // illegal. 772 } 773 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 774 } else if (ac97->flags & AC97_CX_SPDIF) { 775 int v; 776 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 777 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 778 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 779 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 780 v); 781 } else if (ac97->id == AC97_ID_YMF743) { 782 change |= snd_ac97_update_bits_nolock(ac97, 783 AC97_YMF7X3_DIT_CTRL, 784 0xff38, 785 ((val << 4) & 0xff00) | 786 ((val << 2) & 0x0038)); 787 } else { 788 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 789 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 790 791 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 792 if (extst & AC97_EA_SPDIF) { 793 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 794 } 795 } 796 mutex_unlock(&ac97->reg_mutex); 797 798 return change; 799 } 800 801 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 802 { 803 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 804 int reg = kcontrol->private_value & 0xff; 805 int shift = (kcontrol->private_value >> 8) & 0xff; 806 int mask = (kcontrol->private_value >> 16) & 0xff; 807 // int invert = (kcontrol->private_value >> 24) & 0xff; 808 unsigned short value, old, new; 809 int change; 810 811 value = (ucontrol->value.integer.value[0] & mask); 812 813 mutex_lock(&ac97->reg_mutex); 814 mask <<= shift; 815 value <<= shift; 816 old = snd_ac97_read_cache(ac97, reg); 817 new = (old & ~mask) | value; 818 change = old != new; 819 820 if (change) { 821 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 822 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 823 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 824 if (extst & AC97_EA_SPDIF) 825 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 826 } 827 mutex_unlock(&ac97->reg_mutex); 828 return change; 829 } 830 831 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 832 { 833 .access = SNDRV_CTL_ELEM_ACCESS_READ, 834 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 835 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 836 .info = snd_ac97_spdif_mask_info, 837 .get = snd_ac97_spdif_cmask_get, 838 }, 839 { 840 .access = SNDRV_CTL_ELEM_ACCESS_READ, 841 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 842 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 843 .info = snd_ac97_spdif_mask_info, 844 .get = snd_ac97_spdif_pmask_get, 845 }, 846 { 847 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 848 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 849 .info = snd_ac97_spdif_mask_info, 850 .get = snd_ac97_spdif_default_get, 851 .put = snd_ac97_spdif_default_put, 852 }, 853 854 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 855 { 856 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 857 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 858 .info = snd_ac97_info_volsw, 859 .get = snd_ac97_get_volsw, 860 .put = snd_ac97_put_spsa, 861 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 862 }, 863 }; 864 865 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 866 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 867 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 868 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 869 870 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 871 { 872 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 873 int mask = (kcontrol->private_value >> 16) & 0x0f; 874 int lshift = (kcontrol->private_value >> 8) & 0x0f; 875 int rshift = (kcontrol->private_value >> 12) & 0x0f; 876 877 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 878 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 879 uinfo->count = 2; 880 else 881 uinfo->count = 1; 882 uinfo->value.integer.min = 0; 883 uinfo->value.integer.max = mask; 884 return 0; 885 } 886 887 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 888 { 889 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 890 int codec = kcontrol->private_value & 3; 891 int lshift = (kcontrol->private_value >> 8) & 0x0f; 892 int rshift = (kcontrol->private_value >> 12) & 0x0f; 893 int mask = (kcontrol->private_value >> 16) & 0xff; 894 895 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 896 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 897 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 898 return 0; 899 } 900 901 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 902 { 903 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 904 int codec = kcontrol->private_value & 3; 905 int lshift = (kcontrol->private_value >> 8) & 0x0f; 906 int rshift = (kcontrol->private_value >> 12) & 0x0f; 907 int mask = (kcontrol->private_value >> 16) & 0xff; 908 unsigned short val, valmask; 909 910 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 911 valmask = mask << lshift; 912 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 913 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 914 valmask |= mask << rshift; 915 } 916 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 917 } 918 919 #define AD18XX_PCM_VOLUME(xname, codec) \ 920 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 921 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 922 .private_value = codec } 923 924 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 925 { 926 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 927 uinfo->count = 2; 928 uinfo->value.integer.min = 0; 929 uinfo->value.integer.max = 31; 930 return 0; 931 } 932 933 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 934 { 935 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 936 int codec = kcontrol->private_value & 3; 937 938 mutex_lock(&ac97->page_mutex); 939 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 940 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 941 mutex_unlock(&ac97->page_mutex); 942 return 0; 943 } 944 945 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 946 { 947 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 948 int codec = kcontrol->private_value & 3; 949 unsigned short val1, val2; 950 951 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 952 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 953 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 954 } 955 956 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 957 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 958 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 959 }; 960 961 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 962 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 963 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 964 }; 965 966 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 967 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 968 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 969 }; 970 971 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 972 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 973 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 974 }; 975 976 /* 977 * 978 */ 979 980 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 981 982 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 983 { 984 if (bus) { 985 snd_ac97_bus_proc_done(bus); 986 kfree(bus->pcms); 987 if (bus->private_free) 988 bus->private_free(bus); 989 kfree(bus); 990 } 991 return 0; 992 } 993 994 static int snd_ac97_bus_dev_free(struct snd_device *device) 995 { 996 struct snd_ac97_bus *bus = device->device_data; 997 return snd_ac97_bus_free(bus); 998 } 999 1000 static int snd_ac97_free(struct snd_ac97 *ac97) 1001 { 1002 if (ac97) { 1003 #ifdef CONFIG_SND_AC97_POWER_SAVE 1004 cancel_delayed_work(&ac97->power_work); 1005 flush_scheduled_work(); 1006 #endif 1007 snd_ac97_proc_done(ac97); 1008 if (ac97->bus) 1009 ac97->bus->codec[ac97->num] = NULL; 1010 if (ac97->private_free) 1011 ac97->private_free(ac97); 1012 kfree(ac97); 1013 } 1014 return 0; 1015 } 1016 1017 static int snd_ac97_dev_free(struct snd_device *device) 1018 { 1019 struct snd_ac97 *ac97 = device->device_data; 1020 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1021 return snd_ac97_free(ac97); 1022 } 1023 1024 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1025 { 1026 unsigned short val, mask = 0x8000; 1027 1028 if (! snd_ac97_valid_reg(ac97, reg)) 1029 return 0; 1030 1031 switch (reg) { 1032 case AC97_MASTER_TONE: 1033 return ac97->caps & 0x04 ? 1 : 0; 1034 case AC97_HEADPHONE: 1035 return ac97->caps & 0x10 ? 1 : 0; 1036 case AC97_REC_GAIN_MIC: 1037 return ac97->caps & 0x01 ? 1 : 0; 1038 case AC97_3D_CONTROL: 1039 if (ac97->caps & 0x7c00) { 1040 val = snd_ac97_read(ac97, reg); 1041 /* if nonzero - fixed and we can't set it */ 1042 return val == 0; 1043 } 1044 return 0; 1045 case AC97_CENTER_LFE_MASTER: /* center */ 1046 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1047 return 0; 1048 break; 1049 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1050 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1051 return 0; 1052 reg = AC97_CENTER_LFE_MASTER; 1053 mask = 0x0080; 1054 break; 1055 case AC97_SURROUND_MASTER: 1056 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1057 return 0; 1058 break; 1059 } 1060 1061 val = snd_ac97_read(ac97, reg); 1062 if (!(val & mask)) { 1063 /* nothing seems to be here - mute flag is not set */ 1064 /* try another test */ 1065 snd_ac97_write_cache(ac97, reg, val | mask); 1066 val = snd_ac97_read(ac97, reg); 1067 val = snd_ac97_read(ac97, reg); 1068 if (!(val & mask)) 1069 return 0; /* nothing here */ 1070 } 1071 return 1; /* success, useable */ 1072 } 1073 1074 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1075 { 1076 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1077 unsigned char max[3] = { 63, 31, 15 }; 1078 int i; 1079 1080 /* first look up the static resolution table */ 1081 if (ac97->res_table) { 1082 const struct snd_ac97_res_table *tbl; 1083 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1084 if (tbl->reg == reg) { 1085 *lo_max = tbl->bits & 0xff; 1086 *hi_max = (tbl->bits >> 8) & 0xff; 1087 return; 1088 } 1089 } 1090 } 1091 1092 *lo_max = *hi_max = 0; 1093 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1094 unsigned short val; 1095 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); 1096 /* Do the read twice due to buffers on some ac97 codecs. 1097 * e.g. The STAC9704 returns exactly what you wrote to the register 1098 * if you read it immediately. This causes the detect routine to fail. 1099 */ 1100 val = snd_ac97_read(ac97, reg); 1101 val = snd_ac97_read(ac97, reg); 1102 if (! *lo_max && (val & 0x7f) == cbit[i]) 1103 *lo_max = max[i]; 1104 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1105 *hi_max = max[i]; 1106 if (*lo_max && *hi_max) 1107 break; 1108 } 1109 } 1110 1111 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1112 { 1113 unsigned short mask, val, orig, res; 1114 1115 mask = 1 << bit; 1116 orig = snd_ac97_read(ac97, reg); 1117 val = orig ^ mask; 1118 snd_ac97_write(ac97, reg, val); 1119 res = snd_ac97_read(ac97, reg); 1120 snd_ac97_write_cache(ac97, reg, orig); 1121 return res == val; 1122 } 1123 1124 /* check the volume resolution of center/lfe */ 1125 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1126 { 1127 unsigned short val, val1; 1128 1129 *max = 63; 1130 val = 0x8080 | (0x20 << shift); 1131 snd_ac97_write(ac97, reg, val); 1132 val1 = snd_ac97_read(ac97, reg); 1133 if (val != val1) { 1134 *max = 31; 1135 } 1136 /* reset volume to zero */ 1137 snd_ac97_write_cache(ac97, reg, 0x8080); 1138 } 1139 1140 static inline int printable(unsigned int x) 1141 { 1142 x &= 0xff; 1143 if (x < ' ' || x >= 0x71) { 1144 if (x <= 0x89) 1145 return x - 0x71 + 'A'; 1146 return '?'; 1147 } 1148 return x; 1149 } 1150 1151 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, 1152 struct snd_ac97 * ac97) 1153 { 1154 struct snd_kcontrol_new template; 1155 memcpy(&template, _template, sizeof(template)); 1156 template.index = ac97->num; 1157 return snd_ctl_new1(&template, ac97); 1158 } 1159 1160 /* 1161 * create mute switch(es) for normal stereo controls 1162 */ 1163 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1164 int check_stereo, int check_amix, 1165 struct snd_ac97 *ac97) 1166 { 1167 struct snd_kcontrol *kctl; 1168 int err; 1169 unsigned short val, val1, mute_mask; 1170 1171 if (! snd_ac97_valid_reg(ac97, reg)) 1172 return 0; 1173 1174 mute_mask = 0x8000; 1175 val = snd_ac97_read(ac97, reg); 1176 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1177 /* check whether both mute bits work */ 1178 val1 = val | 0x8080; 1179 snd_ac97_write(ac97, reg, val1); 1180 if (val1 == snd_ac97_read(ac97, reg)) 1181 mute_mask = 0x8080; 1182 } 1183 if (mute_mask == 0x8080) { 1184 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1185 if (check_amix) 1186 tmp.private_value |= (1 << 30); 1187 tmp.index = ac97->num; 1188 kctl = snd_ctl_new1(&tmp, ac97); 1189 } else { 1190 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1191 if (check_amix) 1192 tmp.private_value |= (1 << 30); 1193 tmp.index = ac97->num; 1194 kctl = snd_ctl_new1(&tmp, ac97); 1195 } 1196 err = snd_ctl_add(card, kctl); 1197 if (err < 0) 1198 return err; 1199 /* mute as default */ 1200 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1201 return 0; 1202 } 1203 1204 /* 1205 * set dB information 1206 */ 1207 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1208 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1209 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1210 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1211 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1212 1213 static const unsigned int *find_db_scale(unsigned int maxval) 1214 { 1215 switch (maxval) { 1216 case 0x0f: return db_scale_4bit; 1217 case 0x1f: return db_scale_5bit; 1218 case 0x3f: return db_scale_6bit; 1219 } 1220 return NULL; 1221 } 1222 1223 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1224 { 1225 kctl->tlv.p = tlv; 1226 if (tlv) 1227 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1228 } 1229 1230 /* 1231 * create a volume for normal stereo/mono controls 1232 */ 1233 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1234 unsigned int hi_max, struct snd_ac97 *ac97) 1235 { 1236 int err; 1237 struct snd_kcontrol *kctl; 1238 1239 if (! snd_ac97_valid_reg(ac97, reg)) 1240 return 0; 1241 if (hi_max) { 1242 /* invert */ 1243 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1244 tmp.index = ac97->num; 1245 kctl = snd_ctl_new1(&tmp, ac97); 1246 } else { 1247 /* invert */ 1248 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1249 tmp.index = ac97->num; 1250 kctl = snd_ctl_new1(&tmp, ac97); 1251 } 1252 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1253 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1254 else 1255 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1256 err = snd_ctl_add(card, kctl); 1257 if (err < 0) 1258 return err; 1259 snd_ac97_write_cache(ac97, reg, 1260 (snd_ac97_read(ac97, reg) & 0x8080) | 1261 lo_max | (hi_max << 8)); 1262 return 0; 1263 } 1264 1265 /* 1266 * create a mute-switch and a volume for normal stereo/mono controls 1267 */ 1268 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1269 int reg, int check_stereo, int check_amix, 1270 struct snd_ac97 *ac97) 1271 { 1272 int err; 1273 char name[44]; 1274 unsigned char lo_max, hi_max; 1275 1276 if (! snd_ac97_valid_reg(ac97, reg)) 1277 return 0; 1278 1279 if (snd_ac97_try_bit(ac97, reg, 15)) { 1280 sprintf(name, "%s Switch", pfx); 1281 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, 1282 check_stereo, check_amix, 1283 ac97)) < 0) 1284 return err; 1285 } 1286 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1287 if (lo_max) { 1288 sprintf(name, "%s Volume", pfx); 1289 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1290 return err; 1291 } 1292 return 0; 1293 } 1294 1295 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1296 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1297 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1298 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1299 1300 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1301 1302 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1303 { 1304 struct snd_card *card = ac97->bus->card; 1305 struct snd_kcontrol *kctl; 1306 int err; 1307 unsigned int idx; 1308 unsigned char max; 1309 1310 /* build master controls */ 1311 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1312 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1313 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1314 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1315 AC97_MASTER, 0, ac97); 1316 else 1317 err = snd_ac97_cmix_new(card, "Master Playback", 1318 AC97_MASTER, 0, ac97); 1319 if (err < 0) 1320 return err; 1321 } 1322 1323 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; 1324 1325 /* build center controls */ 1326 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1327 && !(ac97->flags & AC97_AD_MULTI)) { 1328 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1329 return err; 1330 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1331 return err; 1332 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1333 kctl->private_value &= ~(0xff << 16); 1334 kctl->private_value |= (int)max << 16; 1335 set_tlv_db_scale(kctl, find_db_scale(max)); 1336 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1337 } 1338 1339 /* build LFE controls */ 1340 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1341 && !(ac97->flags & AC97_AD_MULTI)) { 1342 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1343 return err; 1344 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1345 return err; 1346 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1347 kctl->private_value &= ~(0xff << 16); 1348 kctl->private_value |= (int)max << 16; 1349 set_tlv_db_scale(kctl, find_db_scale(max)); 1350 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1351 } 1352 1353 /* build surround controls */ 1354 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1355 && !(ac97->flags & AC97_AD_MULTI)) { 1356 /* Surround Master (0x38) is with stereo mutes */ 1357 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1358 AC97_SURROUND_MASTER, 1, 0, 1359 ac97)) < 0) 1360 return err; 1361 } 1362 1363 /* build headphone controls */ 1364 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1365 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", 1366 AC97_HEADPHONE, 0, ac97)) < 0) 1367 return err; 1368 } 1369 1370 /* build master mono controls */ 1371 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1372 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", 1373 AC97_MASTER_MONO, 0, ac97)) < 0) 1374 return err; 1375 } 1376 1377 /* build master tone controls */ 1378 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1379 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1380 for (idx = 0; idx < 2; idx++) { 1381 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1382 return err; 1383 if (ac97->id == AC97_ID_YMF743 || 1384 ac97->id == AC97_ID_YMF753) { 1385 kctl->private_value &= ~(0xff << 16); 1386 kctl->private_value |= 7 << 16; 1387 } 1388 } 1389 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1390 } 1391 } 1392 1393 /* build PC Speaker controls */ 1394 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1395 ((ac97->flags & AC97_HAS_PC_BEEP) || 1396 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1397 for (idx = 0; idx < 2; idx++) 1398 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1399 return err; 1400 set_tlv_db_scale(kctl, db_scale_4bit); 1401 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 1402 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); 1403 } 1404 1405 /* build Phone controls */ 1406 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1407 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1408 if ((err = snd_ac97_cmix_new(card, "Phone Playback", 1409 AC97_PHONE, 1, ac97)) < 0) 1410 return err; 1411 } 1412 } 1413 1414 /* build MIC controls */ 1415 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1416 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1417 if ((err = snd_ac97_cmix_new(card, "Mic Playback", 1418 AC97_MIC, 1, ac97)) < 0) 1419 return err; 1420 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1421 return err; 1422 } 1423 } 1424 1425 /* build Line controls */ 1426 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1427 if ((err = snd_ac97_cmix_new(card, "Line Playback", 1428 AC97_LINE, 1, ac97)) < 0) 1429 return err; 1430 } 1431 1432 /* build CD controls */ 1433 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1434 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1435 if ((err = snd_ac97_cmix_new(card, "CD Playback", 1436 AC97_CD, 1, ac97)) < 0) 1437 return err; 1438 } 1439 } 1440 1441 /* build Video controls */ 1442 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1443 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1444 if ((err = snd_ac97_cmix_new(card, "Video Playback", 1445 AC97_VIDEO, 1, ac97)) < 0) 1446 return err; 1447 } 1448 } 1449 1450 /* build Aux controls */ 1451 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1452 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1453 if ((err = snd_ac97_cmix_new(card, "Aux Playback", 1454 AC97_AUX, 1, ac97)) < 0) 1455 return err; 1456 } 1457 } 1458 1459 /* build PCM controls */ 1460 if (ac97->flags & AC97_AD_MULTI) { 1461 unsigned short init_val; 1462 if (ac97->flags & AC97_STEREO_MUTES) 1463 init_val = 0x9f9f; 1464 else 1465 init_val = 0x9f1f; 1466 for (idx = 0; idx < 2; idx++) 1467 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1468 return err; 1469 set_tlv_db_scale(kctl, db_scale_5bit); 1470 ac97->spec.ad18xx.pcmreg[0] = init_val; 1471 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1472 for (idx = 0; idx < 2; idx++) 1473 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1474 return err; 1475 set_tlv_db_scale(kctl, db_scale_5bit); 1476 ac97->spec.ad18xx.pcmreg[1] = init_val; 1477 } 1478 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1479 for (idx = 0; idx < 2; idx++) 1480 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1481 return err; 1482 set_tlv_db_scale(kctl, db_scale_5bit); 1483 for (idx = 0; idx < 2; idx++) 1484 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1485 return err; 1486 set_tlv_db_scale(kctl, db_scale_5bit); 1487 ac97->spec.ad18xx.pcmreg[2] = init_val; 1488 } 1489 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1490 } else { 1491 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1492 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1493 err = snd_ac97_cmute_new(card, 1494 "PCM Playback Switch", 1495 AC97_PCM, 0, ac97); 1496 else 1497 err = snd_ac97_cmix_new(card, "PCM Playback", 1498 AC97_PCM, 0, ac97); 1499 if (err < 0) 1500 return err; 1501 } 1502 } 1503 1504 /* build Capture controls */ 1505 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1506 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1507 return err; 1508 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1509 err = snd_ac97_cmute_new(card, "Capture Switch", 1510 AC97_REC_GAIN, 0, ac97); 1511 if (err < 0) 1512 return err; 1513 } 1514 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1515 return err; 1516 set_tlv_db_scale(kctl, db_scale_rec_gain); 1517 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1518 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1519 } 1520 /* build MIC Capture controls */ 1521 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1522 for (idx = 0; idx < 2; idx++) 1523 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1524 return err; 1525 set_tlv_db_scale(kctl, db_scale_rec_gain); 1526 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1527 } 1528 1529 /* build PCM out path & mute control */ 1530 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1531 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1532 return err; 1533 } 1534 1535 /* build Simulated Stereo Enhancement control */ 1536 if (ac97->caps & 0x0008) { 1537 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1538 return err; 1539 } 1540 1541 /* build 3D Stereo Enhancement control */ 1542 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1543 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1544 return err; 1545 } 1546 1547 /* build Loudness control */ 1548 if (ac97->caps & 0x0020) { 1549 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1550 return err; 1551 } 1552 1553 /* build Mono output select control */ 1554 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1555 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1556 return err; 1557 } 1558 1559 /* build Mic select control */ 1560 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1561 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1562 return err; 1563 } 1564 1565 /* build ADC/DAC loopback control */ 1566 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1567 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1568 return err; 1569 } 1570 1571 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1572 1573 /* build 3D controls */ 1574 if (ac97->build_ops->build_3d) { 1575 ac97->build_ops->build_3d(ac97); 1576 } else { 1577 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1578 unsigned short val; 1579 val = 0x0707; 1580 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1581 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1582 val = val == 0x0606; 1583 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1584 return err; 1585 if (val) 1586 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1587 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1588 return err; 1589 if (val) 1590 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1591 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1592 } 1593 } 1594 1595 /* build S/PDIF controls */ 1596 1597 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1598 if (ac97->subsystem_vendor == 0x1043 && 1599 ac97->subsystem_device == 0x810f) 1600 ac97->ext_id |= AC97_EI_SPDIF; 1601 1602 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1603 if (ac97->build_ops->build_spdif) { 1604 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1605 return err; 1606 } else { 1607 for (idx = 0; idx < 5; idx++) 1608 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1609 return err; 1610 if (ac97->build_ops->build_post_spdif) { 1611 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1612 return err; 1613 } 1614 /* set default PCM S/PDIF params */ 1615 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1616 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1617 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1618 } 1619 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1620 } 1621 1622 /* build chip specific controls */ 1623 if (ac97->build_ops->build_specific) 1624 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1625 return err; 1626 1627 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1628 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1629 if (! kctl) 1630 return -ENOMEM; 1631 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1632 set_inv_eapd(ac97, kctl); 1633 if ((err = snd_ctl_add(card, kctl)) < 0) 1634 return err; 1635 } 1636 1637 return 0; 1638 } 1639 1640 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1641 { 1642 int err, idx; 1643 1644 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG)); 1645 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1646 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1647 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1648 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1649 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1650 1651 /* build modem switches */ 1652 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1653 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1654 return err; 1655 1656 /* build chip specific controls */ 1657 if (ac97->build_ops->build_specific) 1658 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1659 return err; 1660 1661 return 0; 1662 } 1663 1664 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1665 { 1666 unsigned short val; 1667 unsigned int tmp; 1668 1669 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1670 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1671 if (shadow_reg) 1672 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1673 val = snd_ac97_read(ac97, reg); 1674 return val == (tmp & 0xffff); 1675 } 1676 1677 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1678 { 1679 unsigned int result = 0; 1680 unsigned short saved; 1681 1682 if (ac97->bus->no_vra) { 1683 *r_result = SNDRV_PCM_RATE_48000; 1684 if ((ac97->flags & AC97_DOUBLE_RATE) && 1685 reg == AC97_PCM_FRONT_DAC_RATE) 1686 *r_result |= SNDRV_PCM_RATE_96000; 1687 return; 1688 } 1689 1690 saved = snd_ac97_read(ac97, reg); 1691 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1692 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1693 AC97_EA_DRA, 0); 1694 /* test a non-standard rate */ 1695 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1696 result |= SNDRV_PCM_RATE_CONTINUOUS; 1697 /* let's try to obtain standard rates */ 1698 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1699 result |= SNDRV_PCM_RATE_8000; 1700 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1701 result |= SNDRV_PCM_RATE_11025; 1702 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1703 result |= SNDRV_PCM_RATE_16000; 1704 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1705 result |= SNDRV_PCM_RATE_22050; 1706 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1707 result |= SNDRV_PCM_RATE_32000; 1708 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1709 result |= SNDRV_PCM_RATE_44100; 1710 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1711 result |= SNDRV_PCM_RATE_48000; 1712 if ((ac97->flags & AC97_DOUBLE_RATE) && 1713 reg == AC97_PCM_FRONT_DAC_RATE) { 1714 /* test standard double rates */ 1715 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1716 AC97_EA_DRA, AC97_EA_DRA); 1717 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1718 result |= SNDRV_PCM_RATE_64000; 1719 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1720 result |= SNDRV_PCM_RATE_88200; 1721 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1722 result |= SNDRV_PCM_RATE_96000; 1723 /* some codecs don't support variable double rates */ 1724 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1725 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1726 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1727 AC97_EA_DRA, 0); 1728 } 1729 /* restore the default value */ 1730 snd_ac97_write_cache(ac97, reg, saved); 1731 if (shadow_reg) 1732 snd_ac97_write_cache(ac97, shadow_reg, saved); 1733 *r_result = result; 1734 } 1735 1736 /* check AC97_SPDIF register to accept which sample rates */ 1737 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1738 { 1739 unsigned int result = 0; 1740 int i; 1741 static unsigned short ctl_bits[] = { 1742 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1743 }; 1744 static unsigned int rate_bits[] = { 1745 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1746 }; 1747 1748 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1749 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1750 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1751 result |= rate_bits[i]; 1752 } 1753 return result; 1754 } 1755 1756 /* look for the codec id table matching with the given id */ 1757 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1758 unsigned int id) 1759 { 1760 const struct ac97_codec_id *pid; 1761 1762 for (pid = table; pid->id; pid++) 1763 if (pid->id == (id & pid->mask)) 1764 return pid; 1765 return NULL; 1766 } 1767 1768 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1769 { 1770 const struct ac97_codec_id *pid; 1771 1772 sprintf(name, "0x%x %c%c%c", id, 1773 printable(id >> 24), 1774 printable(id >> 16), 1775 printable(id >> 8)); 1776 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1777 if (! pid) 1778 return; 1779 1780 strcpy(name, pid->name); 1781 if (ac97 && pid->patch) { 1782 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1783 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1784 pid->patch(ac97); 1785 } 1786 1787 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1788 if (pid) { 1789 strcat(name, " "); 1790 strcat(name, pid->name); 1791 if (pid->mask != 0xffffffff) 1792 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1793 if (ac97 && pid->patch) { 1794 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1795 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1796 pid->patch(ac97); 1797 } 1798 } else 1799 sprintf(name + strlen(name), " id %x", id & 0xff); 1800 } 1801 1802 /** 1803 * snd_ac97_get_short_name - retrieve codec name 1804 * @ac97: the codec instance 1805 * 1806 * Returns the short identifying name of the codec. 1807 */ 1808 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1809 { 1810 const struct ac97_codec_id *pid; 1811 1812 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1813 if (pid->id == (ac97->id & pid->mask)) 1814 return pid->name; 1815 return "unknown codec"; 1816 } 1817 1818 EXPORT_SYMBOL(snd_ac97_get_short_name); 1819 1820 /* wait for a while until registers are accessible after RESET 1821 * return 0 if ok, negative not ready 1822 */ 1823 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1824 { 1825 unsigned long end_time; 1826 unsigned short val; 1827 1828 end_time = jiffies + timeout; 1829 do { 1830 1831 /* use preliminary reads to settle the communication */ 1832 snd_ac97_read(ac97, AC97_RESET); 1833 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1834 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1835 /* modem? */ 1836 if (with_modem) { 1837 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1838 if (val != 0xffff && (val & 1) != 0) 1839 return 0; 1840 } 1841 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1842 /* probably only Xbox issue - all registers are read as zero */ 1843 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1844 if (val != 0 && val != 0xffff) 1845 return 0; 1846 } else { 1847 /* because the PCM or MASTER volume registers can be modified, 1848 * the REC_GAIN register is used for tests 1849 */ 1850 /* test if we can write to the record gain volume register */ 1851 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1852 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1853 return 0; 1854 } 1855 schedule_timeout_uninterruptible(1); 1856 } while (time_after_eq(end_time, jiffies)); 1857 return -ENODEV; 1858 } 1859 1860 /** 1861 * snd_ac97_bus - create an AC97 bus component 1862 * @card: the card instance 1863 * @num: the bus number 1864 * @ops: the bus callbacks table 1865 * @private_data: private data pointer for the new instance 1866 * @rbus: the pointer to store the new AC97 bus instance. 1867 * 1868 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1869 * allocated and initialized. 1870 * 1871 * The ops table must include valid callbacks (at least read and 1872 * write). The other callbacks, wait and reset, are not mandatory. 1873 * 1874 * The clock is set to 48000. If another clock is needed, set 1875 * (*rbus)->clock manually. 1876 * 1877 * The AC97 bus instance is registered as a low-level device, so you don't 1878 * have to release it manually. 1879 * 1880 * Returns zero if successful, or a negative error code on failure. 1881 */ 1882 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1883 void *private_data, struct snd_ac97_bus **rbus) 1884 { 1885 int err; 1886 struct snd_ac97_bus *bus; 1887 static struct snd_device_ops dev_ops = { 1888 .dev_free = snd_ac97_bus_dev_free, 1889 }; 1890 1891 snd_assert(card != NULL, return -EINVAL); 1892 snd_assert(rbus != NULL, return -EINVAL); 1893 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1894 if (bus == NULL) 1895 return -ENOMEM; 1896 bus->card = card; 1897 bus->num = num; 1898 bus->ops = ops; 1899 bus->private_data = private_data; 1900 bus->clock = 48000; 1901 spin_lock_init(&bus->bus_lock); 1902 snd_ac97_bus_proc_init(bus); 1903 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1904 snd_ac97_bus_free(bus); 1905 return err; 1906 } 1907 *rbus = bus; 1908 return 0; 1909 } 1910 1911 EXPORT_SYMBOL(snd_ac97_bus); 1912 1913 /* stop no dev release warning */ 1914 static void ac97_device_release(struct device * dev) 1915 { 1916 } 1917 1918 /* register ac97 codec to bus */ 1919 static int snd_ac97_dev_register(struct snd_device *device) 1920 { 1921 struct snd_ac97 *ac97 = device->device_data; 1922 int err; 1923 1924 ac97->dev.bus = &ac97_bus_type; 1925 ac97->dev.parent = ac97->bus->card->dev; 1926 ac97->dev.release = ac97_device_release; 1927 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s", 1928 ac97->bus->card->number, ac97->num, 1929 snd_ac97_get_short_name(ac97)); 1930 if ((err = device_register(&ac97->dev)) < 0) { 1931 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1932 ac97->dev.bus = NULL; 1933 return err; 1934 } 1935 return 0; 1936 } 1937 1938 /* disconnect ac97 codec */ 1939 static int snd_ac97_dev_disconnect(struct snd_device *device) 1940 { 1941 struct snd_ac97 *ac97 = device->device_data; 1942 if (ac97->dev.bus) 1943 device_unregister(&ac97->dev); 1944 return 0; 1945 } 1946 1947 /* build_ops to do nothing */ 1948 static struct snd_ac97_build_ops null_build_ops; 1949 1950 #ifdef CONFIG_SND_AC97_POWER_SAVE 1951 static void do_update_power(struct work_struct *work) 1952 { 1953 update_power_regs( 1954 container_of(work, struct snd_ac97, power_work.work)); 1955 } 1956 #endif 1957 1958 /** 1959 * snd_ac97_mixer - create an Codec97 component 1960 * @bus: the AC97 bus which codec is attached to 1961 * @template: the template of ac97, including index, callbacks and 1962 * the private data. 1963 * @rac97: the pointer to store the new ac97 instance. 1964 * 1965 * Creates an Codec97 component. An struct snd_ac97 instance is newly 1966 * allocated and initialized from the template. The codec 1967 * is then initialized by the standard procedure. 1968 * 1969 * The template must include the codec number (num) and address (addr), 1970 * and the private data (private_data). 1971 * 1972 * The ac97 instance is registered as a low-level device, so you don't 1973 * have to release it manually. 1974 * 1975 * Returns zero if successful, or a negative error code on failure. 1976 */ 1977 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 1978 { 1979 int err; 1980 struct snd_ac97 *ac97; 1981 struct snd_card *card; 1982 char name[64]; 1983 unsigned long end_time; 1984 unsigned int reg; 1985 const struct ac97_codec_id *pid; 1986 static struct snd_device_ops ops = { 1987 .dev_free = snd_ac97_dev_free, 1988 .dev_register = snd_ac97_dev_register, 1989 .dev_disconnect = snd_ac97_dev_disconnect, 1990 }; 1991 1992 snd_assert(rac97 != NULL, return -EINVAL); 1993 *rac97 = NULL; 1994 snd_assert(bus != NULL && template != NULL, return -EINVAL); 1995 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL); 1996 1997 card = bus->card; 1998 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 1999 if (ac97 == NULL) 2000 return -ENOMEM; 2001 ac97->private_data = template->private_data; 2002 ac97->private_free = template->private_free; 2003 ac97->bus = bus; 2004 ac97->pci = template->pci; 2005 ac97->num = template->num; 2006 ac97->addr = template->addr; 2007 ac97->scaps = template->scaps; 2008 ac97->res_table = template->res_table; 2009 bus->codec[ac97->num] = ac97; 2010 mutex_init(&ac97->reg_mutex); 2011 mutex_init(&ac97->page_mutex); 2012 #ifdef CONFIG_SND_AC97_POWER_SAVE 2013 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2014 #endif 2015 2016 #ifdef CONFIG_PCI 2017 if (ac97->pci) { 2018 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2019 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2020 } 2021 #endif 2022 if (bus->ops->reset) { 2023 bus->ops->reset(ac97); 2024 goto __access_ok; 2025 } 2026 2027 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2028 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2029 if (ac97->id && ac97->id != (unsigned int)-1) { 2030 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2031 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2032 goto __access_ok; 2033 } 2034 2035 /* reset to defaults */ 2036 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2037 snd_ac97_write(ac97, AC97_RESET, 0); 2038 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2039 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2040 if (bus->ops->wait) 2041 bus->ops->wait(ac97); 2042 else { 2043 udelay(50); 2044 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2045 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2046 else { 2047 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2048 if (err < 0) 2049 err = ac97_reset_wait(ac97, 2050 msecs_to_jiffies(500), 1); 2051 } 2052 if (err < 0) { 2053 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 2054 /* proceed anyway - it's often non-critical */ 2055 } 2056 } 2057 __access_ok: 2058 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2059 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2060 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2061 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2062 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 2063 snd_ac97_free(ac97); 2064 return -EIO; 2065 } 2066 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2067 if (pid) 2068 ac97->flags |= pid->flags; 2069 2070 /* test for AC'97 */ 2071 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2072 /* test if we can write to the record gain volume register */ 2073 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2074 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 2075 ac97->scaps |= AC97_SCAP_AUDIO; 2076 } 2077 if (ac97->scaps & AC97_SCAP_AUDIO) { 2078 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2079 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2080 if (ac97->ext_id == 0xffff) /* invalid combination */ 2081 ac97->ext_id = 0; 2082 } 2083 2084 /* test for MC'97 */ 2085 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2086 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2087 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2088 ac97->ext_mid = 0; 2089 if (ac97->ext_mid & 1) 2090 ac97->scaps |= AC97_SCAP_MODEM; 2091 } 2092 2093 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2094 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2095 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 2096 snd_ac97_free(ac97); 2097 return -EACCES; 2098 } 2099 2100 if (bus->ops->reset) // FIXME: always skipping? 2101 goto __ready_ok; 2102 2103 /* FIXME: add powerdown control */ 2104 if (ac97_is_audio(ac97)) { 2105 /* nothing should be in powerdown mode */ 2106 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2107 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2108 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2109 udelay(100); 2110 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2111 } 2112 /* nothing should be in powerdown mode */ 2113 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2114 end_time = jiffies + msecs_to_jiffies(100); 2115 do { 2116 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2117 goto __ready_ok; 2118 schedule_timeout_uninterruptible(1); 2119 } while (time_after_eq(end_time, jiffies)); 2120 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 2121 } 2122 2123 /* FIXME: add powerdown control */ 2124 if (ac97_is_modem(ac97)) { 2125 unsigned char tmp; 2126 2127 /* nothing should be in powerdown mode */ 2128 /* note: it's important to set the rate at first */ 2129 tmp = AC97_MEA_GPIO; 2130 if (ac97->ext_mid & AC97_MEI_LINE1) { 2131 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2132 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2133 } 2134 if (ac97->ext_mid & AC97_MEI_LINE2) { 2135 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2136 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2137 } 2138 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2139 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2140 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2141 } 2142 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2143 udelay(100); 2144 /* nothing should be in powerdown mode */ 2145 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2146 end_time = jiffies + msecs_to_jiffies(100); 2147 do { 2148 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2149 goto __ready_ok; 2150 schedule_timeout_uninterruptible(1); 2151 } while (time_after_eq(end_time, jiffies)); 2152 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2153 } 2154 2155 __ready_ok: 2156 if (ac97_is_audio(ac97)) 2157 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2158 else 2159 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2160 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2161 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2162 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2163 if (! bus->no_vra) 2164 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2165 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2166 } 2167 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2168 /* Intel controllers require double rate data to be put in 2169 * slots 7+8, so let's hope the codec supports it. */ 2170 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2171 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2172 ac97->flags |= AC97_DOUBLE_RATE; 2173 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2174 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2175 } 2176 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2177 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2178 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2179 } else { 2180 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2181 if (ac97->flags & AC97_DOUBLE_RATE) 2182 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2183 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2184 } 2185 if (ac97->ext_id & AC97_EI_SPDIF) { 2186 /* codec specific code (patch) should override these values */ 2187 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2188 } 2189 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2190 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2191 } else { 2192 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2193 } 2194 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2195 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2196 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2197 } 2198 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2199 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2200 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2201 } 2202 /* additional initializations */ 2203 if (bus->ops->init) 2204 bus->ops->init(ac97); 2205 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2206 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2207 if (! ac97->build_ops) 2208 ac97->build_ops = &null_build_ops; 2209 2210 if (ac97_is_audio(ac97)) { 2211 char comp[16]; 2212 if (card->mixername[0] == '\0') { 2213 strcpy(card->mixername, name); 2214 } else { 2215 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2216 strcat(card->mixername, ","); 2217 strcat(card->mixername, name); 2218 } 2219 } 2220 sprintf(comp, "AC97a:%08x", ac97->id); 2221 if ((err = snd_component_add(card, comp)) < 0) { 2222 snd_ac97_free(ac97); 2223 return err; 2224 } 2225 if (snd_ac97_mixer_build(ac97) < 0) { 2226 snd_ac97_free(ac97); 2227 return -ENOMEM; 2228 } 2229 } 2230 if (ac97_is_modem(ac97)) { 2231 char comp[16]; 2232 if (card->mixername[0] == '\0') { 2233 strcpy(card->mixername, name); 2234 } else { 2235 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2236 strcat(card->mixername, ","); 2237 strcat(card->mixername, name); 2238 } 2239 } 2240 sprintf(comp, "AC97m:%08x", ac97->id); 2241 if ((err = snd_component_add(card, comp)) < 0) { 2242 snd_ac97_free(ac97); 2243 return err; 2244 } 2245 if (snd_ac97_modem_build(card, ac97) < 0) { 2246 snd_ac97_free(ac97); 2247 return -ENOMEM; 2248 } 2249 } 2250 if (ac97_is_audio(ac97)) 2251 update_power_regs(ac97); 2252 snd_ac97_proc_init(ac97); 2253 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2254 snd_ac97_free(ac97); 2255 return err; 2256 } 2257 *rac97 = ac97; 2258 return 0; 2259 } 2260 2261 EXPORT_SYMBOL(snd_ac97_mixer); 2262 2263 /* 2264 * Power down the chip. 2265 * 2266 * MASTER and HEADPHONE registers are muted but the register cache values 2267 * are not changed, so that the values can be restored in snd_ac97_resume(). 2268 */ 2269 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2270 { 2271 unsigned short power; 2272 2273 if (ac97_is_audio(ac97)) { 2274 /* some codecs have stereo mute bits */ 2275 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2276 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2277 } 2278 2279 /* surround, CLFE, mic powerdown */ 2280 power = ac97->regs[AC97_EXTENDED_STATUS]; 2281 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2282 power |= AC97_EA_PRJ; 2283 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2284 power |= AC97_EA_PRI | AC97_EA_PRK; 2285 power |= AC97_EA_PRL; 2286 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2287 2288 /* powerdown external amplifier */ 2289 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2290 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2291 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2292 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2293 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2294 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2295 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2296 udelay(100); 2297 power |= AC97_PD_PR2 | AC97_PD_PR3; /* Analog Mixer powerdown */ 2298 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2299 if (ac97_is_power_save_mode(ac97)) { 2300 udelay(100); 2301 /* AC-link powerdown, internal Clk disable */ 2302 /* FIXME: this may cause click noises on some boards */ 2303 power |= AC97_PD_PR4 | AC97_PD_PR5; 2304 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2305 } 2306 } 2307 2308 2309 struct ac97_power_reg { 2310 unsigned short reg; 2311 unsigned short power_reg; 2312 unsigned short mask; 2313 }; 2314 2315 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2316 2317 static struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2318 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2319 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2320 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2321 AC97_EA_PRI | AC97_EA_PRK}, 2322 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2323 AC97_EA_PRJ}, 2324 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2325 AC97_EA_PRL}, 2326 }; 2327 2328 #ifdef CONFIG_SND_AC97_POWER_SAVE 2329 /** 2330 * snd_ac97_update_power - update the powerdown register 2331 * @ac97: the codec instance 2332 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2333 * @powerup: non-zero when power up the part 2334 * 2335 * Update the AC97 powerdown register bits of the given part. 2336 */ 2337 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2338 { 2339 int i; 2340 2341 if (! ac97) 2342 return 0; 2343 2344 if (reg) { 2345 /* SPDIF requires DAC power, too */ 2346 if (reg == AC97_SPDIF) 2347 reg = AC97_PCM_FRONT_DAC_RATE; 2348 for (i = 0; i < PWIDX_SIZE; i++) { 2349 if (power_regs[i].reg == reg) { 2350 if (powerup) 2351 ac97->power_up |= (1 << i); 2352 else 2353 ac97->power_up &= ~(1 << i); 2354 break; 2355 } 2356 } 2357 } 2358 2359 if (ac97_is_power_save_mode(ac97) && !powerup) 2360 /* adjust power-down bits after two seconds delay 2361 * (for avoiding loud click noises for many (OSS) apps 2362 * that open/close frequently) 2363 */ 2364 schedule_delayed_work(&ac97->power_work, 2365 msecs_to_jiffies(2000)); 2366 else { 2367 cancel_delayed_work(&ac97->power_work); 2368 update_power_regs(ac97); 2369 } 2370 2371 return 0; 2372 } 2373 2374 EXPORT_SYMBOL(snd_ac97_update_power); 2375 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2376 2377 static void update_power_regs(struct snd_ac97 *ac97) 2378 { 2379 unsigned int power_up, bits; 2380 int i; 2381 2382 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2383 power_up |= (1 << PWIDX_MIC); 2384 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2385 power_up |= (1 << PWIDX_SURR); 2386 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2387 power_up |= (1 << PWIDX_CLFE); 2388 #ifdef CONFIG_SND_AC97_POWER_SAVE 2389 if (ac97_is_power_save_mode(ac97)) 2390 power_up = ac97->power_up; 2391 #endif 2392 if (power_up) { 2393 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2394 /* needs power-up analog mix and vref */ 2395 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2396 AC97_PD_PR3, 0); 2397 msleep(1); 2398 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2399 AC97_PD_PR2, 0); 2400 } 2401 } 2402 for (i = 0; i < PWIDX_SIZE; i++) { 2403 if (power_up & (1 << i)) 2404 bits = 0; 2405 else 2406 bits = power_regs[i].mask; 2407 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2408 power_regs[i].mask, bits); 2409 } 2410 if (! power_up) { 2411 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2412 /* power down analog mix and vref */ 2413 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2414 AC97_PD_PR2, AC97_PD_PR2); 2415 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2416 AC97_PD_PR3, AC97_PD_PR3); 2417 } 2418 } 2419 } 2420 2421 2422 #ifdef CONFIG_PM 2423 /** 2424 * snd_ac97_suspend - General suspend function for AC97 codec 2425 * @ac97: the ac97 instance 2426 * 2427 * Suspends the codec, power down the chip. 2428 */ 2429 void snd_ac97_suspend(struct snd_ac97 *ac97) 2430 { 2431 if (! ac97) 2432 return; 2433 if (ac97->build_ops->suspend) 2434 ac97->build_ops->suspend(ac97); 2435 #ifdef CONFIG_SND_AC97_POWER_SAVE 2436 cancel_delayed_work(&ac97->power_work); 2437 flush_scheduled_work(); 2438 #endif 2439 snd_ac97_powerdown(ac97); 2440 } 2441 2442 EXPORT_SYMBOL(snd_ac97_suspend); 2443 2444 /* 2445 * restore ac97 status 2446 */ 2447 static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2448 { 2449 int i; 2450 2451 for (i = 2; i < 0x7c ; i += 2) { 2452 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2453 continue; 2454 /* restore only accessible registers 2455 * some chip (e.g. nm256) may hang up when unsupported registers 2456 * are accessed..! 2457 */ 2458 if (test_bit(i, ac97->reg_accessed)) { 2459 snd_ac97_write(ac97, i, ac97->regs[i]); 2460 snd_ac97_read(ac97, i); 2461 } 2462 } 2463 } 2464 2465 /* 2466 * restore IEC958 status 2467 */ 2468 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2469 { 2470 if (ac97->ext_id & AC97_EI_SPDIF) { 2471 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2472 /* reset spdif status */ 2473 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2474 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2475 if (ac97->flags & AC97_CS_SPDIF) 2476 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2477 else 2478 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2479 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2480 } 2481 } 2482 } 2483 2484 /** 2485 * snd_ac97_resume - General resume function for AC97 codec 2486 * @ac97: the ac97 instance 2487 * 2488 * Do the standard resume procedure, power up and restoring the 2489 * old register values. 2490 */ 2491 void snd_ac97_resume(struct snd_ac97 *ac97) 2492 { 2493 unsigned long end_time; 2494 2495 if (! ac97) 2496 return; 2497 2498 if (ac97->bus->ops->reset) { 2499 ac97->bus->ops->reset(ac97); 2500 goto __reset_ready; 2501 } 2502 2503 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2504 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2505 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2506 snd_ac97_write(ac97, AC97_RESET, 0); 2507 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2508 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2509 udelay(100); 2510 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2511 } 2512 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2513 2514 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2515 if (ac97_is_audio(ac97)) { 2516 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2517 end_time = jiffies + msecs_to_jiffies(100); 2518 do { 2519 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2520 break; 2521 schedule_timeout_uninterruptible(1); 2522 } while (time_after_eq(end_time, jiffies)); 2523 /* FIXME: extra delay */ 2524 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); 2525 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) 2526 msleep(250); 2527 } else { 2528 end_time = jiffies + msecs_to_jiffies(100); 2529 do { 2530 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2531 if (val != 0xffff && (val & 1) != 0) 2532 break; 2533 schedule_timeout_uninterruptible(1); 2534 } while (time_after_eq(end_time, jiffies)); 2535 } 2536 __reset_ready: 2537 2538 if (ac97->bus->ops->init) 2539 ac97->bus->ops->init(ac97); 2540 2541 if (ac97->build_ops->resume) 2542 ac97->build_ops->resume(ac97); 2543 else { 2544 snd_ac97_restore_status(ac97); 2545 snd_ac97_restore_iec958(ac97); 2546 } 2547 } 2548 2549 EXPORT_SYMBOL(snd_ac97_resume); 2550 #endif 2551 2552 2553 /* 2554 * Hardware tuning 2555 */ 2556 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2557 { 2558 if (suffix) 2559 sprintf(dst, "%s %s", src, suffix); 2560 else 2561 strcpy(dst, src); 2562 } 2563 2564 /* remove the control with the given name and optional suffix */ 2565 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2566 const char *suffix) 2567 { 2568 struct snd_ctl_elem_id id; 2569 memset(&id, 0, sizeof(id)); 2570 set_ctl_name(id.name, name, suffix); 2571 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2572 return snd_ctl_remove_id(ac97->bus->card, &id); 2573 } 2574 2575 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2576 { 2577 struct snd_ctl_elem_id sid; 2578 memset(&sid, 0, sizeof(sid)); 2579 set_ctl_name(sid.name, name, suffix); 2580 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2581 return snd_ctl_find_id(ac97->bus->card, &sid); 2582 } 2583 2584 /* rename the control with the given name and optional suffix */ 2585 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2586 const char *dst, const char *suffix) 2587 { 2588 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2589 if (kctl) { 2590 set_ctl_name(kctl->id.name, dst, suffix); 2591 return 0; 2592 } 2593 return -ENOENT; 2594 } 2595 2596 /* rename both Volume and Switch controls - don't check the return value */ 2597 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2598 const char *dst) 2599 { 2600 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2601 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2602 } 2603 2604 /* swap controls */ 2605 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2606 const char *s2, const char *suffix) 2607 { 2608 struct snd_kcontrol *kctl1, *kctl2; 2609 kctl1 = ctl_find(ac97, s1, suffix); 2610 kctl2 = ctl_find(ac97, s2, suffix); 2611 if (kctl1 && kctl2) { 2612 set_ctl_name(kctl1->id.name, s2, suffix); 2613 set_ctl_name(kctl2->id.name, s1, suffix); 2614 return 0; 2615 } 2616 return -ENOENT; 2617 } 2618 2619 #if 1 2620 /* bind hp and master controls instead of using only hp control */ 2621 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2622 { 2623 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2624 if (err > 0) { 2625 unsigned long priv_saved = kcontrol->private_value; 2626 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2627 snd_ac97_put_volsw(kcontrol, ucontrol); 2628 kcontrol->private_value = priv_saved; 2629 } 2630 return err; 2631 } 2632 2633 /* ac97 tune: bind Master and Headphone controls */ 2634 static int tune_hp_only(struct snd_ac97 *ac97) 2635 { 2636 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2637 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2638 if (! msw || ! mvol) 2639 return -ENOENT; 2640 msw->put = bind_hp_volsw_put; 2641 mvol->put = bind_hp_volsw_put; 2642 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2643 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2644 return 0; 2645 } 2646 2647 #else 2648 /* ac97 tune: use Headphone control as master */ 2649 static int tune_hp_only(struct snd_ac97 *ac97) 2650 { 2651 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2652 return -ENOENT; 2653 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2654 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2655 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2656 return 0; 2657 } 2658 #endif 2659 2660 /* ac97 tune: swap Headphone and Master controls */ 2661 static int tune_swap_hp(struct snd_ac97 *ac97) 2662 { 2663 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2664 return -ENOENT; 2665 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2666 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2667 return 0; 2668 } 2669 2670 /* ac97 tune: swap Surround and Master controls */ 2671 static int tune_swap_surround(struct snd_ac97 *ac97) 2672 { 2673 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2674 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2675 return -ENOENT; 2676 return 0; 2677 } 2678 2679 /* ac97 tune: set up mic sharing for AD codecs */ 2680 static int tune_ad_sharing(struct snd_ac97 *ac97) 2681 { 2682 unsigned short scfg; 2683 if ((ac97->id & 0xffffff00) != 0x41445300) { 2684 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2685 return -EINVAL; 2686 } 2687 /* Turn on OMS bit to route microphone to back panel */ 2688 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2689 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2690 return 0; 2691 } 2692 2693 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2694 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2695 2696 /* ac97 tune: set up ALC jack-select */ 2697 static int tune_alc_jack(struct snd_ac97 *ac97) 2698 { 2699 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2700 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2701 return -EINVAL; 2702 } 2703 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2704 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2705 if (ac97->id == AC97_ID_ALC658D) 2706 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2707 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2708 } 2709 2710 /* ac97 tune: inversed EAPD bit */ 2711 static int tune_inv_eapd(struct snd_ac97 *ac97) 2712 { 2713 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2714 if (! kctl) 2715 return -ENOENT; 2716 set_inv_eapd(ac97, kctl); 2717 return 0; 2718 } 2719 2720 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2721 { 2722 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2723 if (err > 0) { 2724 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2725 int shift = (kcontrol->private_value >> 8) & 0x0f; 2726 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2727 unsigned short mask; 2728 if (shift != rshift) 2729 mask = 0x8080; 2730 else 2731 mask = 0x8000; 2732 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2733 (ac97->regs[AC97_MASTER] & mask) == mask ? 2734 0x8000 : 0); 2735 } 2736 return err; 2737 } 2738 2739 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2740 static int tune_mute_led(struct snd_ac97 *ac97) 2741 { 2742 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2743 if (! msw) 2744 return -ENOENT; 2745 msw->put = master_mute_sw_put; 2746 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2747 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2748 ac97->scaps |= AC97_SCAP_EAPD_LED; 2749 return 0; 2750 } 2751 2752 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2753 struct snd_ctl_elem_value *ucontrol) 2754 { 2755 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2756 if (err > 0) { 2757 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2758 int shift = (kcontrol->private_value >> 8) & 0x0f; 2759 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2760 unsigned short mask; 2761 if (shift != rshift) 2762 mask = 0x8080; 2763 else 2764 mask = 0x8000; 2765 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2766 (ac97->regs[AC97_MASTER] & mask) == mask ? 2767 0x8000 : 0); 2768 } 2769 return err; 2770 } 2771 2772 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2773 { 2774 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2775 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2776 if (! msw || ! mvol) 2777 return -ENOENT; 2778 msw->put = hp_master_mute_sw_put; 2779 mvol->put = bind_hp_volsw_put; 2780 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2781 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2782 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2783 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2784 return 0; 2785 } 2786 2787 struct quirk_table { 2788 const char *name; 2789 int (*func)(struct snd_ac97 *); 2790 }; 2791 2792 static struct quirk_table applicable_quirks[] = { 2793 { "none", NULL }, 2794 { "hp_only", tune_hp_only }, 2795 { "swap_hp", tune_swap_hp }, 2796 { "swap_surround", tune_swap_surround }, 2797 { "ad_sharing", tune_ad_sharing }, 2798 { "alc_jack", tune_alc_jack }, 2799 { "inv_eapd", tune_inv_eapd }, 2800 { "mute_led", tune_mute_led }, 2801 { "hp_mute_led", tune_hp_mute_led }, 2802 }; 2803 2804 /* apply the quirk with the given type */ 2805 static int apply_quirk(struct snd_ac97 *ac97, int type) 2806 { 2807 if (type <= 0) 2808 return 0; 2809 else if (type >= ARRAY_SIZE(applicable_quirks)) 2810 return -EINVAL; 2811 if (applicable_quirks[type].func) 2812 return applicable_quirks[type].func(ac97); 2813 return 0; 2814 } 2815 2816 /* apply the quirk with the given name */ 2817 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2818 { 2819 int i; 2820 struct quirk_table *q; 2821 2822 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2823 q = &applicable_quirks[i]; 2824 if (q->name && ! strcmp(typestr, q->name)) 2825 return apply_quirk(ac97, i); 2826 } 2827 /* for compatibility, accept the numbers, too */ 2828 if (*typestr >= '0' && *typestr <= '9') 2829 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2830 return -EINVAL; 2831 } 2832 2833 /** 2834 * snd_ac97_tune_hardware - tune up the hardware 2835 * @ac97: the ac97 instance 2836 * @quirk: quirk list 2837 * @override: explicit quirk value (overrides the list if non-NULL) 2838 * 2839 * Do some workaround for each pci device, such as renaming of the 2840 * headphone (true line-out) control as "Master". 2841 * The quirk-list must be terminated with a zero-filled entry. 2842 * 2843 * Returns zero if successful, or a negative error code on failure. 2844 */ 2845 2846 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) 2847 { 2848 int result; 2849 2850 /* quirk overriden? */ 2851 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2852 result = apply_quirk_str(ac97, override); 2853 if (result < 0) 2854 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2855 return result; 2856 } 2857 2858 if (! quirk) 2859 return -EINVAL; 2860 2861 for (; quirk->subvendor; quirk++) { 2862 if (quirk->subvendor != ac97->subsystem_vendor) 2863 continue; 2864 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2865 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2866 if (quirk->codec_id && quirk->codec_id != ac97->id) 2867 continue; 2868 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2869 result = apply_quirk(ac97, quirk->type); 2870 if (result < 0) 2871 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2872 return result; 2873 } 2874 } 2875 return 0; 2876 } 2877 2878 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2879 2880 /* 2881 * INIT part 2882 */ 2883 2884 static int __init alsa_ac97_init(void) 2885 { 2886 return 0; 2887 } 2888 2889 static void __exit alsa_ac97_exit(void) 2890 { 2891 } 2892 2893 module_init(alsa_ac97_init) 2894 module_exit(alsa_ac97_exit) 2895