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, int, 0644); 53 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout " 54 "(in second, 0 = disable)."); 55 #endif 56 /* 57 58 */ 59 60 struct ac97_codec_id { 61 unsigned int id; 62 unsigned int mask; 63 const char *name; 64 int (*patch)(struct snd_ac97 *ac97); 65 int (*mpatch)(struct snd_ac97 *ac97); 66 unsigned int flags; 67 }; 68 69 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = { 70 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, 71 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, 72 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, 73 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL }, 74 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, 75 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, 76 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, 77 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, 78 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, 79 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, 80 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, 81 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, 82 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, 83 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, 84 { 0x50534300, 0xffffff00, "Philips", NULL, NULL }, 85 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, 86 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, 87 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, 88 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, 89 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, 90 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, 91 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, 92 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, 93 { 0, 0, NULL, NULL, NULL } 94 }; 95 96 static const struct ac97_codec_id snd_ac97_codec_ids[] = { 97 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, 98 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, 99 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, 100 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, 101 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, 102 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, 103 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, 104 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, 105 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, 106 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, 107 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, 108 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, 109 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL }, 110 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, 111 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, 112 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, 113 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, 114 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, 115 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, 116 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, 117 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ 118 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ 119 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ 120 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, 121 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 122 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 123 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 124 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, 125 { 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL }, 126 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ 127 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 128 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 129 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, 130 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, 131 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, 132 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL }, 133 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL }, 134 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL }, 135 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, 136 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, 137 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, 138 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, 139 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, 140 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, 141 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, 142 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, 143 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, 144 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II 145 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different 146 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL }, 147 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 148 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028? 149 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 150 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 151 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 152 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 153 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 154 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 155 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 156 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 157 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 158 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 159 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 160 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix 161 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL }, 162 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 163 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 164 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL }, 165 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 166 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 167 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 168 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 169 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 170 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 171 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL }, 172 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 173 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL }, 174 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 175 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 176 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 177 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 178 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL}, 179 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 180 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL }, 181 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 182 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 183 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 184 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 185 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 186 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 187 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 188 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 189 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 190 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 191 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 192 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 193 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 194 { 0, 0, NULL, NULL, NULL } 195 }; 196 197 198 static void update_power_regs(struct snd_ac97 *ac97); 199 #ifdef CONFIG_SND_AC97_POWER_SAVE 200 #define ac97_is_power_save_mode(ac97) \ 201 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save) 202 #else 203 #define ac97_is_power_save_mode(ac97) 0 204 #endif 205 206 207 /* 208 * I/O routines 209 */ 210 211 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 212 { 213 /* filter some registers for buggy codecs */ 214 switch (ac97->id) { 215 case AC97_ID_AK4540: 216 case AC97_ID_AK4542: 217 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 218 return 1; 219 return 0; 220 case AC97_ID_AD1819: /* AD1819 */ 221 case AC97_ID_AD1881: /* AD1881 */ 222 case AC97_ID_AD1881A: /* AD1881A */ 223 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 224 return 0; 225 return 1; 226 case AC97_ID_AD1885: /* AD1885 */ 227 case AC97_ID_AD1886: /* AD1886 */ 228 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 229 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 230 if (reg == 0x5a) 231 return 1; 232 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 233 return 0; 234 return 1; 235 case AC97_ID_STAC9700: 236 case AC97_ID_STAC9704: 237 case AC97_ID_STAC9705: 238 case AC97_ID_STAC9708: 239 case AC97_ID_STAC9721: 240 case AC97_ID_STAC9744: 241 case AC97_ID_STAC9756: 242 if (reg <= 0x3a || reg >= 0x5a) 243 return 1; 244 return 0; 245 } 246 return 1; 247 } 248 249 /** 250 * snd_ac97_write - write a value on the given register 251 * @ac97: the ac97 instance 252 * @reg: the register to change 253 * @value: the value to set 254 * 255 * Writes a value on the given register. This will invoke the write 256 * callback directly after the register check. 257 * This function doesn't change the register cache unlike 258 * #snd_ca97_write_cache(), so use this only when you don't want to 259 * reflect the change to the suspend/resume state. 260 */ 261 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 262 { 263 if (!snd_ac97_valid_reg(ac97, reg)) 264 return; 265 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 266 /* Fix H/W bug of ALC100/100P */ 267 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 268 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 269 } 270 ac97->bus->ops->write(ac97, reg, value); 271 } 272 273 EXPORT_SYMBOL(snd_ac97_write); 274 275 /** 276 * snd_ac97_read - read a value from the given register 277 * 278 * @ac97: the ac97 instance 279 * @reg: the register to read 280 * 281 * Reads a value from the given register. This will invoke the read 282 * callback directly after the register check. 283 * 284 * Returns the read value. 285 */ 286 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 287 { 288 if (!snd_ac97_valid_reg(ac97, reg)) 289 return 0; 290 return ac97->bus->ops->read(ac97, reg); 291 } 292 293 /* read a register - return the cached value if already read */ 294 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 295 { 296 if (! test_bit(reg, ac97->reg_accessed)) { 297 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 298 // set_bit(reg, ac97->reg_accessed); 299 } 300 return ac97->regs[reg]; 301 } 302 303 EXPORT_SYMBOL(snd_ac97_read); 304 305 /** 306 * snd_ac97_write_cache - write a value on the given register and update the cache 307 * @ac97: the ac97 instance 308 * @reg: the register to change 309 * @value: the value to set 310 * 311 * Writes a value on the given register and updates the register 312 * cache. The cached values are used for the cached-read and the 313 * suspend/resume. 314 */ 315 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 316 { 317 if (!snd_ac97_valid_reg(ac97, reg)) 318 return; 319 mutex_lock(&ac97->reg_mutex); 320 ac97->regs[reg] = value; 321 ac97->bus->ops->write(ac97, reg, value); 322 set_bit(reg, ac97->reg_accessed); 323 mutex_unlock(&ac97->reg_mutex); 324 } 325 326 EXPORT_SYMBOL(snd_ac97_write_cache); 327 328 /** 329 * snd_ac97_update - update the value on the given register 330 * @ac97: the ac97 instance 331 * @reg: the register to change 332 * @value: the value to set 333 * 334 * Compares the value with the register cache and updates the value 335 * only when the value is changed. 336 * 337 * Returns 1 if the value is changed, 0 if no change, or a negative 338 * code on failure. 339 */ 340 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 341 { 342 int change; 343 344 if (!snd_ac97_valid_reg(ac97, reg)) 345 return -EINVAL; 346 mutex_lock(&ac97->reg_mutex); 347 change = ac97->regs[reg] != value; 348 if (change) { 349 ac97->regs[reg] = value; 350 ac97->bus->ops->write(ac97, reg, value); 351 } 352 set_bit(reg, ac97->reg_accessed); 353 mutex_unlock(&ac97->reg_mutex); 354 return change; 355 } 356 357 EXPORT_SYMBOL(snd_ac97_update); 358 359 /** 360 * snd_ac97_update_bits - update the bits on the given register 361 * @ac97: the ac97 instance 362 * @reg: the register to change 363 * @mask: the bit-mask to change 364 * @value: the value to set 365 * 366 * Updates the masked-bits on the given register only when the value 367 * is changed. 368 * 369 * Returns 1 if the bits are changed, 0 if no change, or a negative 370 * code on failure. 371 */ 372 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 373 { 374 int change; 375 376 if (!snd_ac97_valid_reg(ac97, reg)) 377 return -EINVAL; 378 mutex_lock(&ac97->reg_mutex); 379 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 380 mutex_unlock(&ac97->reg_mutex); 381 return change; 382 } 383 384 EXPORT_SYMBOL(snd_ac97_update_bits); 385 386 /* no lock version - see snd_ac97_updat_bits() */ 387 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 388 unsigned short mask, unsigned short value) 389 { 390 int change; 391 unsigned short old, new; 392 393 old = snd_ac97_read_cache(ac97, reg); 394 new = (old & ~mask) | (value & mask); 395 change = old != new; 396 if (change) { 397 ac97->regs[reg] = new; 398 ac97->bus->ops->write(ac97, reg, new); 399 } 400 set_bit(reg, ac97->reg_accessed); 401 return change; 402 } 403 404 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 405 { 406 int change; 407 unsigned short old, new, cfg; 408 409 mutex_lock(&ac97->page_mutex); 410 old = ac97->spec.ad18xx.pcmreg[codec]; 411 new = (old & ~mask) | (value & mask); 412 change = old != new; 413 if (change) { 414 mutex_lock(&ac97->reg_mutex); 415 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 416 ac97->spec.ad18xx.pcmreg[codec] = new; 417 /* select single codec */ 418 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 419 (cfg & ~0x7000) | 420 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 421 /* update PCM bits */ 422 ac97->bus->ops->write(ac97, AC97_PCM, new); 423 /* select all codecs */ 424 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 425 cfg | 0x7000); 426 mutex_unlock(&ac97->reg_mutex); 427 } 428 mutex_unlock(&ac97->page_mutex); 429 return change; 430 } 431 432 /* 433 * Controls 434 */ 435 436 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, 437 struct snd_ctl_elem_info *uinfo) 438 { 439 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 440 441 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 442 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 443 uinfo->value.enumerated.items = e->mask; 444 445 if (uinfo->value.enumerated.item > e->mask - 1) 446 uinfo->value.enumerated.item = e->mask - 1; 447 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 448 return 0; 449 } 450 451 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, 452 struct snd_ctl_elem_value *ucontrol) 453 { 454 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 455 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 456 unsigned short val, bitmask; 457 458 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 459 ; 460 val = snd_ac97_read_cache(ac97, e->reg); 461 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 462 if (e->shift_l != e->shift_r) 463 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 464 465 return 0; 466 } 467 468 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, 469 struct snd_ctl_elem_value *ucontrol) 470 { 471 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 472 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 473 unsigned short val; 474 unsigned short mask, bitmask; 475 476 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 477 ; 478 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 479 return -EINVAL; 480 val = ucontrol->value.enumerated.item[0] << e->shift_l; 481 mask = (bitmask - 1) << e->shift_l; 482 if (e->shift_l != e->shift_r) { 483 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 484 return -EINVAL; 485 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 486 mask |= (bitmask - 1) << e->shift_r; 487 } 488 return snd_ac97_update_bits(ac97, e->reg, mask, val); 489 } 490 491 /* save/restore ac97 v2.3 paging */ 492 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 493 { 494 int page_save = -1; 495 if ((kcontrol->private_value & (1<<25)) && 496 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 497 (reg >= 0x60 && reg < 0x70)) { 498 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 499 mutex_lock(&ac97->page_mutex); /* lock paging */ 500 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 501 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 502 } 503 return page_save; 504 } 505 506 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 507 { 508 if (page_save >= 0) { 509 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 510 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 511 } 512 } 513 514 /* volume and switch controls */ 515 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, 516 struct snd_ctl_elem_info *uinfo) 517 { 518 int mask = (kcontrol->private_value >> 16) & 0xff; 519 int shift = (kcontrol->private_value >> 8) & 0x0f; 520 int rshift = (kcontrol->private_value >> 12) & 0x0f; 521 522 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 523 uinfo->count = shift == rshift ? 1 : 2; 524 uinfo->value.integer.min = 0; 525 uinfo->value.integer.max = mask; 526 return 0; 527 } 528 529 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, 530 struct snd_ctl_elem_value *ucontrol) 531 { 532 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 533 int reg = kcontrol->private_value & 0xff; 534 int shift = (kcontrol->private_value >> 8) & 0x0f; 535 int rshift = (kcontrol->private_value >> 12) & 0x0f; 536 int mask = (kcontrol->private_value >> 16) & 0xff; 537 int invert = (kcontrol->private_value >> 24) & 0x01; 538 int page_save; 539 540 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 541 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 542 if (shift != rshift) 543 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 544 if (invert) { 545 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 546 if (shift != rshift) 547 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 548 } 549 snd_ac97_page_restore(ac97, page_save); 550 return 0; 551 } 552 553 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, 554 struct snd_ctl_elem_value *ucontrol) 555 { 556 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 557 int reg = kcontrol->private_value & 0xff; 558 int shift = (kcontrol->private_value >> 8) & 0x0f; 559 int rshift = (kcontrol->private_value >> 12) & 0x0f; 560 int mask = (kcontrol->private_value >> 16) & 0xff; 561 int invert = (kcontrol->private_value >> 24) & 0x01; 562 int err, page_save; 563 unsigned short val, val2, val_mask; 564 565 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 566 val = (ucontrol->value.integer.value[0] & mask); 567 if (invert) 568 val = mask - val; 569 val_mask = mask << shift; 570 val = val << shift; 571 if (shift != rshift) { 572 val2 = (ucontrol->value.integer.value[1] & mask); 573 if (invert) 574 val2 = mask - val2; 575 val_mask |= mask << rshift; 576 val |= val2 << rshift; 577 } 578 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 579 snd_ac97_page_restore(ac97, page_save); 580 #ifdef CONFIG_SND_AC97_POWER_SAVE 581 /* check analog mixer power-down */ 582 if ((val_mask & 0x8000) && 583 (kcontrol->private_value & (1<<30))) { 584 if (val & 0x8000) 585 ac97->power_up &= ~(1 << (reg>>1)); 586 else 587 ac97->power_up |= 1 << (reg>>1); 588 update_power_regs(ac97); 589 } 590 #endif 591 return err; 592 } 593 594 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 595 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 596 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 597 }; 598 599 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 600 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 601 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 602 }; 603 604 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 605 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), 606 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) 607 }; 608 609 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 610 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 611 612 613 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 614 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 615 static const char* std_mix[] = {"Mix", "Mic"}; 616 static const char* std_mic[] = {"Mic1", "Mic2"}; 617 618 static const struct ac97_enum std_enum[] = { 619 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 621 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 622 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 623 }; 624 625 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 626 AC97_ENUM("Capture Source", std_enum[0]); 627 628 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 629 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 630 631 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 632 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 633 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 634 }; 635 636 enum { 637 AC97_GENERAL_PCM_OUT = 0, 638 AC97_GENERAL_STEREO_ENHANCEMENT, 639 AC97_GENERAL_3D, 640 AC97_GENERAL_LOUDNESS, 641 AC97_GENERAL_MONO, 642 AC97_GENERAL_MIC, 643 AC97_GENERAL_LOOPBACK 644 }; 645 646 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 647 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 648 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 649 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 650 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 651 AC97_ENUM("Mono Output Select", std_enum[2]), 652 AC97_ENUM("Mic Select", std_enum[3]), 653 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 654 }; 655 656 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 657 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 658 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 659 }; 660 661 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 662 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 663 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 664 }; 665 666 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 667 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 668 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 669 }; 670 671 static const struct snd_kcontrol_new snd_ac97_control_eapd = 672 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 673 674 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 675 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 676 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 677 }; 678 679 /* change the existing EAPD control as inverted */ 680 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 681 { 682 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 683 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 684 ac97->scaps |= AC97_SCAP_INV_EAPD; 685 } 686 687 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 688 { 689 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 690 uinfo->count = 1; 691 return 0; 692 } 693 694 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 695 { 696 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 697 IEC958_AES0_NONAUDIO | 698 IEC958_AES0_CON_EMPHASIS_5015 | 699 IEC958_AES0_CON_NOT_COPYRIGHT; 700 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 701 IEC958_AES1_CON_ORIGINAL; 702 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 703 return 0; 704 } 705 706 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 707 { 708 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 709 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 710 IEC958_AES0_NONAUDIO | 711 IEC958_AES0_PRO_FS | 712 IEC958_AES0_PRO_EMPHASIS_5015; 713 return 0; 714 } 715 716 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 717 { 718 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 719 720 mutex_lock(&ac97->reg_mutex); 721 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 722 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 723 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 724 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 725 mutex_unlock(&ac97->reg_mutex); 726 return 0; 727 } 728 729 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 730 { 731 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 732 unsigned int new = 0; 733 unsigned short val = 0; 734 int change; 735 736 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 737 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 738 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 739 switch (new & IEC958_AES0_PRO_FS) { 740 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 741 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 742 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 743 default: val |= 1<<12; break; 744 } 745 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 746 val |= 1<<3; 747 } else { 748 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 749 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 750 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 751 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 752 val |= 1<<3; 753 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 754 val |= 1<<2; 755 val |= ((new >> 8) & 0xff) << 4; // category + original 756 switch ((new >> 24) & 0xff) { 757 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 758 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 759 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 760 default: val |= 1<<12; break; 761 } 762 } 763 764 mutex_lock(&ac97->reg_mutex); 765 change = ac97->spdif_status != new; 766 ac97->spdif_status = new; 767 768 if (ac97->flags & AC97_CS_SPDIF) { 769 int x = (val >> 12) & 0x03; 770 switch (x) { 771 case 0: x = 1; break; // 44.1 772 case 2: x = 0; break; // 48.0 773 default: x = 0; break; // illegal. 774 } 775 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 776 } else if (ac97->flags & AC97_CX_SPDIF) { 777 int v; 778 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 779 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 780 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 781 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 782 v); 783 } else if (ac97->id == AC97_ID_YMF743) { 784 change |= snd_ac97_update_bits_nolock(ac97, 785 AC97_YMF7X3_DIT_CTRL, 786 0xff38, 787 ((val << 4) & 0xff00) | 788 ((val << 2) & 0x0038)); 789 } else { 790 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 791 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 792 793 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 794 if (extst & AC97_EA_SPDIF) { 795 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 796 } 797 } 798 mutex_unlock(&ac97->reg_mutex); 799 800 return change; 801 } 802 803 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 804 { 805 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 806 int reg = kcontrol->private_value & 0xff; 807 int shift = (kcontrol->private_value >> 8) & 0xff; 808 int mask = (kcontrol->private_value >> 16) & 0xff; 809 // int invert = (kcontrol->private_value >> 24) & 0xff; 810 unsigned short value, old, new; 811 int change; 812 813 value = (ucontrol->value.integer.value[0] & mask); 814 815 mutex_lock(&ac97->reg_mutex); 816 mask <<= shift; 817 value <<= shift; 818 old = snd_ac97_read_cache(ac97, reg); 819 new = (old & ~mask) | value; 820 change = old != new; 821 822 if (change) { 823 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 824 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 825 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 826 if (extst & AC97_EA_SPDIF) 827 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 828 } 829 mutex_unlock(&ac97->reg_mutex); 830 return change; 831 } 832 833 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 834 { 835 .access = SNDRV_CTL_ELEM_ACCESS_READ, 836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 838 .info = snd_ac97_spdif_mask_info, 839 .get = snd_ac97_spdif_cmask_get, 840 }, 841 { 842 .access = SNDRV_CTL_ELEM_ACCESS_READ, 843 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 844 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 845 .info = snd_ac97_spdif_mask_info, 846 .get = snd_ac97_spdif_pmask_get, 847 }, 848 { 849 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 850 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 851 .info = snd_ac97_spdif_mask_info, 852 .get = snd_ac97_spdif_default_get, 853 .put = snd_ac97_spdif_default_put, 854 }, 855 856 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 857 { 858 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 859 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 860 .info = snd_ac97_info_volsw, 861 .get = snd_ac97_get_volsw, 862 .put = snd_ac97_put_spsa, 863 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 864 }, 865 }; 866 867 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 868 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 869 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 870 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 871 872 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 873 { 874 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 875 int mask = (kcontrol->private_value >> 16) & 0x0f; 876 int lshift = (kcontrol->private_value >> 8) & 0x0f; 877 int rshift = (kcontrol->private_value >> 12) & 0x0f; 878 879 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 880 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 881 uinfo->count = 2; 882 else 883 uinfo->count = 1; 884 uinfo->value.integer.min = 0; 885 uinfo->value.integer.max = mask; 886 return 0; 887 } 888 889 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 890 { 891 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 892 int codec = kcontrol->private_value & 3; 893 int lshift = (kcontrol->private_value >> 8) & 0x0f; 894 int rshift = (kcontrol->private_value >> 12) & 0x0f; 895 int mask = (kcontrol->private_value >> 16) & 0xff; 896 897 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 899 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 900 return 0; 901 } 902 903 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 904 { 905 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 906 int codec = kcontrol->private_value & 3; 907 int lshift = (kcontrol->private_value >> 8) & 0x0f; 908 int rshift = (kcontrol->private_value >> 12) & 0x0f; 909 int mask = (kcontrol->private_value >> 16) & 0xff; 910 unsigned short val, valmask; 911 912 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 913 valmask = mask << lshift; 914 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 915 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 916 valmask |= mask << rshift; 917 } 918 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 919 } 920 921 #define AD18XX_PCM_VOLUME(xname, codec) \ 922 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 923 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 924 .private_value = codec } 925 926 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 927 { 928 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 929 uinfo->count = 2; 930 uinfo->value.integer.min = 0; 931 uinfo->value.integer.max = 31; 932 return 0; 933 } 934 935 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 936 { 937 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 938 int codec = kcontrol->private_value & 3; 939 940 mutex_lock(&ac97->page_mutex); 941 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 942 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 943 mutex_unlock(&ac97->page_mutex); 944 return 0; 945 } 946 947 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 948 { 949 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 950 int codec = kcontrol->private_value & 3; 951 unsigned short val1, val2; 952 953 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 954 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 955 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 956 } 957 958 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 959 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 960 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 961 }; 962 963 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 964 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 965 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 966 }; 967 968 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 969 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 970 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 971 }; 972 973 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 974 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 975 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 976 }; 977 978 /* 979 * 980 */ 981 982 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 983 984 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 985 { 986 if (bus) { 987 snd_ac97_bus_proc_done(bus); 988 kfree(bus->pcms); 989 if (bus->private_free) 990 bus->private_free(bus); 991 kfree(bus); 992 } 993 return 0; 994 } 995 996 static int snd_ac97_bus_dev_free(struct snd_device *device) 997 { 998 struct snd_ac97_bus *bus = device->device_data; 999 return snd_ac97_bus_free(bus); 1000 } 1001 1002 static int snd_ac97_free(struct snd_ac97 *ac97) 1003 { 1004 if (ac97) { 1005 #ifdef CONFIG_SND_AC97_POWER_SAVE 1006 cancel_delayed_work(&ac97->power_work); 1007 flush_scheduled_work(); 1008 #endif 1009 snd_ac97_proc_done(ac97); 1010 if (ac97->bus) 1011 ac97->bus->codec[ac97->num] = NULL; 1012 if (ac97->private_free) 1013 ac97->private_free(ac97); 1014 kfree(ac97); 1015 } 1016 return 0; 1017 } 1018 1019 static int snd_ac97_dev_free(struct snd_device *device) 1020 { 1021 struct snd_ac97 *ac97 = device->device_data; 1022 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1023 return snd_ac97_free(ac97); 1024 } 1025 1026 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1027 { 1028 unsigned short val, mask = 0x8000; 1029 1030 if (! snd_ac97_valid_reg(ac97, reg)) 1031 return 0; 1032 1033 switch (reg) { 1034 case AC97_MASTER_TONE: 1035 return ac97->caps & 0x04 ? 1 : 0; 1036 case AC97_HEADPHONE: 1037 return ac97->caps & 0x10 ? 1 : 0; 1038 case AC97_REC_GAIN_MIC: 1039 return ac97->caps & 0x01 ? 1 : 0; 1040 case AC97_3D_CONTROL: 1041 if (ac97->caps & 0x7c00) { 1042 val = snd_ac97_read(ac97, reg); 1043 /* if nonzero - fixed and we can't set it */ 1044 return val == 0; 1045 } 1046 return 0; 1047 case AC97_CENTER_LFE_MASTER: /* center */ 1048 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1049 return 0; 1050 break; 1051 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1052 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1053 return 0; 1054 reg = AC97_CENTER_LFE_MASTER; 1055 mask = 0x0080; 1056 break; 1057 case AC97_SURROUND_MASTER: 1058 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1059 return 0; 1060 break; 1061 } 1062 1063 val = snd_ac97_read(ac97, reg); 1064 if (!(val & mask)) { 1065 /* nothing seems to be here - mute flag is not set */ 1066 /* try another test */ 1067 snd_ac97_write_cache(ac97, reg, val | mask); 1068 val = snd_ac97_read(ac97, reg); 1069 val = snd_ac97_read(ac97, reg); 1070 if (!(val & mask)) 1071 return 0; /* nothing here */ 1072 } 1073 return 1; /* success, useable */ 1074 } 1075 1076 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1077 { 1078 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1079 unsigned char max[3] = { 63, 31, 15 }; 1080 int i; 1081 1082 /* first look up the static resolution table */ 1083 if (ac97->res_table) { 1084 const struct snd_ac97_res_table *tbl; 1085 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1086 if (tbl->reg == reg) { 1087 *lo_max = tbl->bits & 0xff; 1088 *hi_max = (tbl->bits >> 8) & 0xff; 1089 return; 1090 } 1091 } 1092 } 1093 1094 *lo_max = *hi_max = 0; 1095 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1096 unsigned short val; 1097 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); 1098 /* Do the read twice due to buffers on some ac97 codecs. 1099 * e.g. The STAC9704 returns exactly what you wrote to the register 1100 * if you read it immediately. This causes the detect routine to fail. 1101 */ 1102 val = snd_ac97_read(ac97, reg); 1103 val = snd_ac97_read(ac97, reg); 1104 if (! *lo_max && (val & 0x7f) == cbit[i]) 1105 *lo_max = max[i]; 1106 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1107 *hi_max = max[i]; 1108 if (*lo_max && *hi_max) 1109 break; 1110 } 1111 } 1112 1113 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1114 { 1115 unsigned short mask, val, orig, res; 1116 1117 mask = 1 << bit; 1118 orig = snd_ac97_read(ac97, reg); 1119 val = orig ^ mask; 1120 snd_ac97_write(ac97, reg, val); 1121 res = snd_ac97_read(ac97, reg); 1122 snd_ac97_write_cache(ac97, reg, orig); 1123 return res == val; 1124 } 1125 1126 /* check the volume resolution of center/lfe */ 1127 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1128 { 1129 unsigned short val, val1; 1130 1131 *max = 63; 1132 val = 0x8080 | (0x20 << shift); 1133 snd_ac97_write(ac97, reg, val); 1134 val1 = snd_ac97_read(ac97, reg); 1135 if (val != val1) { 1136 *max = 31; 1137 } 1138 /* reset volume to zero */ 1139 snd_ac97_write_cache(ac97, reg, 0x8080); 1140 } 1141 1142 static inline int printable(unsigned int x) 1143 { 1144 x &= 0xff; 1145 if (x < ' ' || x >= 0x71) { 1146 if (x <= 0x89) 1147 return x - 0x71 + 'A'; 1148 return '?'; 1149 } 1150 return x; 1151 } 1152 1153 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, 1154 struct snd_ac97 * ac97) 1155 { 1156 struct snd_kcontrol_new template; 1157 memcpy(&template, _template, sizeof(template)); 1158 template.index = ac97->num; 1159 return snd_ctl_new1(&template, ac97); 1160 } 1161 1162 /* 1163 * create mute switch(es) for normal stereo controls 1164 */ 1165 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1166 int check_stereo, int check_amix, 1167 struct snd_ac97 *ac97) 1168 { 1169 struct snd_kcontrol *kctl; 1170 int err; 1171 unsigned short val, val1, mute_mask; 1172 1173 if (! snd_ac97_valid_reg(ac97, reg)) 1174 return 0; 1175 1176 mute_mask = 0x8000; 1177 val = snd_ac97_read(ac97, reg); 1178 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1179 /* check whether both mute bits work */ 1180 val1 = val | 0x8080; 1181 snd_ac97_write(ac97, reg, val1); 1182 if (val1 == snd_ac97_read(ac97, reg)) 1183 mute_mask = 0x8080; 1184 } 1185 if (mute_mask == 0x8080) { 1186 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1187 if (check_amix) 1188 tmp.private_value |= (1 << 30); 1189 tmp.index = ac97->num; 1190 kctl = snd_ctl_new1(&tmp, ac97); 1191 } else { 1192 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1193 if (check_amix) 1194 tmp.private_value |= (1 << 30); 1195 tmp.index = ac97->num; 1196 kctl = snd_ctl_new1(&tmp, ac97); 1197 } 1198 err = snd_ctl_add(card, kctl); 1199 if (err < 0) 1200 return err; 1201 /* mute as default */ 1202 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1203 return 0; 1204 } 1205 1206 /* 1207 * set dB information 1208 */ 1209 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1210 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1211 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1212 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1213 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1214 1215 static const unsigned int *find_db_scale(unsigned int maxval) 1216 { 1217 switch (maxval) { 1218 case 0x0f: return db_scale_4bit; 1219 case 0x1f: return db_scale_5bit; 1220 case 0x3f: return db_scale_6bit; 1221 } 1222 return NULL; 1223 } 1224 1225 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1226 { 1227 kctl->tlv.p = tlv; 1228 if (tlv) 1229 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1230 } 1231 1232 /* 1233 * create a volume for normal stereo/mono controls 1234 */ 1235 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1236 unsigned int hi_max, struct snd_ac97 *ac97) 1237 { 1238 int err; 1239 struct snd_kcontrol *kctl; 1240 1241 if (! snd_ac97_valid_reg(ac97, reg)) 1242 return 0; 1243 if (hi_max) { 1244 /* invert */ 1245 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1246 tmp.index = ac97->num; 1247 kctl = snd_ctl_new1(&tmp, ac97); 1248 } else { 1249 /* invert */ 1250 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1251 tmp.index = ac97->num; 1252 kctl = snd_ctl_new1(&tmp, ac97); 1253 } 1254 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1255 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1256 else 1257 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1258 err = snd_ctl_add(card, kctl); 1259 if (err < 0) 1260 return err; 1261 snd_ac97_write_cache(ac97, reg, 1262 (snd_ac97_read(ac97, reg) & 0x8080) | 1263 lo_max | (hi_max << 8)); 1264 return 0; 1265 } 1266 1267 /* 1268 * create a mute-switch and a volume for normal stereo/mono controls 1269 */ 1270 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1271 int reg, int check_stereo, int check_amix, 1272 struct snd_ac97 *ac97) 1273 { 1274 int err; 1275 char name[44]; 1276 unsigned char lo_max, hi_max; 1277 1278 if (! snd_ac97_valid_reg(ac97, reg)) 1279 return 0; 1280 1281 if (snd_ac97_try_bit(ac97, reg, 15)) { 1282 sprintf(name, "%s Switch", pfx); 1283 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, 1284 check_stereo, check_amix, 1285 ac97)) < 0) 1286 return err; 1287 } 1288 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1289 if (lo_max) { 1290 sprintf(name, "%s Volume", pfx); 1291 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1292 return err; 1293 } 1294 return 0; 1295 } 1296 1297 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1298 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1299 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1300 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1301 1302 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1303 1304 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1305 { 1306 struct snd_card *card = ac97->bus->card; 1307 struct snd_kcontrol *kctl; 1308 int err; 1309 unsigned int idx; 1310 unsigned char max; 1311 1312 /* build master controls */ 1313 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1314 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1315 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1316 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1317 AC97_MASTER, 0, ac97); 1318 else 1319 err = snd_ac97_cmix_new(card, "Master Playback", 1320 AC97_MASTER, 0, ac97); 1321 if (err < 0) 1322 return err; 1323 } 1324 1325 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; 1326 1327 /* build center controls */ 1328 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1329 && !(ac97->flags & AC97_AD_MULTI)) { 1330 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1331 return err; 1332 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1333 return err; 1334 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1335 kctl->private_value &= ~(0xff << 16); 1336 kctl->private_value |= (int)max << 16; 1337 set_tlv_db_scale(kctl, find_db_scale(max)); 1338 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1339 } 1340 1341 /* build LFE controls */ 1342 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1343 && !(ac97->flags & AC97_AD_MULTI)) { 1344 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1345 return err; 1346 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1347 return err; 1348 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1349 kctl->private_value &= ~(0xff << 16); 1350 kctl->private_value |= (int)max << 16; 1351 set_tlv_db_scale(kctl, find_db_scale(max)); 1352 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1353 } 1354 1355 /* build surround controls */ 1356 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1357 && !(ac97->flags & AC97_AD_MULTI)) { 1358 /* Surround Master (0x38) is with stereo mutes */ 1359 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1360 AC97_SURROUND_MASTER, 1, 0, 1361 ac97)) < 0) 1362 return err; 1363 } 1364 1365 /* build headphone controls */ 1366 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1367 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", 1368 AC97_HEADPHONE, 0, ac97)) < 0) 1369 return err; 1370 } 1371 1372 /* build master mono controls */ 1373 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1374 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", 1375 AC97_MASTER_MONO, 0, ac97)) < 0) 1376 return err; 1377 } 1378 1379 /* build master tone controls */ 1380 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1381 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1382 for (idx = 0; idx < 2; idx++) { 1383 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1384 return err; 1385 if (ac97->id == AC97_ID_YMF743 || 1386 ac97->id == AC97_ID_YMF753) { 1387 kctl->private_value &= ~(0xff << 16); 1388 kctl->private_value |= 7 << 16; 1389 } 1390 } 1391 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1392 } 1393 } 1394 1395 /* build PC Speaker controls */ 1396 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1397 ((ac97->flags & AC97_HAS_PC_BEEP) || 1398 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1399 for (idx = 0; idx < 2; idx++) 1400 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1401 return err; 1402 set_tlv_db_scale(kctl, db_scale_4bit); 1403 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 1404 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); 1405 } 1406 1407 /* build Phone controls */ 1408 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1409 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1410 if ((err = snd_ac97_cmix_new(card, "Phone Playback", 1411 AC97_PHONE, 1, ac97)) < 0) 1412 return err; 1413 } 1414 } 1415 1416 /* build MIC controls */ 1417 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1418 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1419 if ((err = snd_ac97_cmix_new(card, "Mic Playback", 1420 AC97_MIC, 1, ac97)) < 0) 1421 return err; 1422 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1423 return err; 1424 } 1425 } 1426 1427 /* build Line controls */ 1428 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1429 if ((err = snd_ac97_cmix_new(card, "Line Playback", 1430 AC97_LINE, 1, ac97)) < 0) 1431 return err; 1432 } 1433 1434 /* build CD controls */ 1435 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1436 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1437 if ((err = snd_ac97_cmix_new(card, "CD Playback", 1438 AC97_CD, 1, ac97)) < 0) 1439 return err; 1440 } 1441 } 1442 1443 /* build Video controls */ 1444 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1445 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1446 if ((err = snd_ac97_cmix_new(card, "Video Playback", 1447 AC97_VIDEO, 1, ac97)) < 0) 1448 return err; 1449 } 1450 } 1451 1452 /* build Aux controls */ 1453 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1454 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1455 if ((err = snd_ac97_cmix_new(card, "Aux Playback", 1456 AC97_AUX, 1, ac97)) < 0) 1457 return err; 1458 } 1459 } 1460 1461 /* build PCM controls */ 1462 if (ac97->flags & AC97_AD_MULTI) { 1463 unsigned short init_val; 1464 if (ac97->flags & AC97_STEREO_MUTES) 1465 init_val = 0x9f9f; 1466 else 1467 init_val = 0x9f1f; 1468 for (idx = 0; idx < 2; idx++) 1469 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1470 return err; 1471 set_tlv_db_scale(kctl, db_scale_5bit); 1472 ac97->spec.ad18xx.pcmreg[0] = init_val; 1473 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1474 for (idx = 0; idx < 2; idx++) 1475 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1476 return err; 1477 set_tlv_db_scale(kctl, db_scale_5bit); 1478 ac97->spec.ad18xx.pcmreg[1] = init_val; 1479 } 1480 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1481 for (idx = 0; idx < 2; idx++) 1482 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1483 return err; 1484 set_tlv_db_scale(kctl, db_scale_5bit); 1485 for (idx = 0; idx < 2; idx++) 1486 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1487 return err; 1488 set_tlv_db_scale(kctl, db_scale_5bit); 1489 ac97->spec.ad18xx.pcmreg[2] = init_val; 1490 } 1491 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1492 } else { 1493 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1494 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1495 err = snd_ac97_cmute_new(card, 1496 "PCM Playback Switch", 1497 AC97_PCM, 0, ac97); 1498 else 1499 err = snd_ac97_cmix_new(card, "PCM Playback", 1500 AC97_PCM, 0, ac97); 1501 if (err < 0) 1502 return err; 1503 } 1504 } 1505 1506 /* build Capture controls */ 1507 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1508 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1509 return err; 1510 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1511 err = snd_ac97_cmute_new(card, "Capture Switch", 1512 AC97_REC_GAIN, 0, ac97); 1513 if (err < 0) 1514 return err; 1515 } 1516 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1517 return err; 1518 set_tlv_db_scale(kctl, db_scale_rec_gain); 1519 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1520 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1521 } 1522 /* build MIC Capture controls */ 1523 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1524 for (idx = 0; idx < 2; idx++) 1525 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1526 return err; 1527 set_tlv_db_scale(kctl, db_scale_rec_gain); 1528 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1529 } 1530 1531 /* build PCM out path & mute control */ 1532 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1533 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1534 return err; 1535 } 1536 1537 /* build Simulated Stereo Enhancement control */ 1538 if (ac97->caps & 0x0008) { 1539 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1540 return err; 1541 } 1542 1543 /* build 3D Stereo Enhancement control */ 1544 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1545 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1546 return err; 1547 } 1548 1549 /* build Loudness control */ 1550 if (ac97->caps & 0x0020) { 1551 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1552 return err; 1553 } 1554 1555 /* build Mono output select control */ 1556 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1557 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1558 return err; 1559 } 1560 1561 /* build Mic select control */ 1562 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1563 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1564 return err; 1565 } 1566 1567 /* build ADC/DAC loopback control */ 1568 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1569 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1570 return err; 1571 } 1572 1573 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1574 1575 /* build 3D controls */ 1576 if (ac97->build_ops->build_3d) { 1577 ac97->build_ops->build_3d(ac97); 1578 } else { 1579 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1580 unsigned short val; 1581 val = 0x0707; 1582 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1583 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1584 val = val == 0x0606; 1585 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1586 return err; 1587 if (val) 1588 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1589 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1590 return err; 1591 if (val) 1592 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1593 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1594 } 1595 } 1596 1597 /* build S/PDIF controls */ 1598 1599 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1600 if (ac97->subsystem_vendor == 0x1043 && 1601 ac97->subsystem_device == 0x810f) 1602 ac97->ext_id |= AC97_EI_SPDIF; 1603 1604 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1605 if (ac97->build_ops->build_spdif) { 1606 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1607 return err; 1608 } else { 1609 for (idx = 0; idx < 5; idx++) 1610 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1611 return err; 1612 if (ac97->build_ops->build_post_spdif) { 1613 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1614 return err; 1615 } 1616 /* set default PCM S/PDIF params */ 1617 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1618 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1619 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1620 } 1621 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1622 } 1623 1624 /* build chip specific controls */ 1625 if (ac97->build_ops->build_specific) 1626 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1627 return err; 1628 1629 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1630 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1631 if (! kctl) 1632 return -ENOMEM; 1633 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1634 set_inv_eapd(ac97, kctl); 1635 if ((err = snd_ctl_add(card, kctl)) < 0) 1636 return err; 1637 } 1638 1639 return 0; 1640 } 1641 1642 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1643 { 1644 int err, idx; 1645 1646 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG)); 1647 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1648 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1649 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1650 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1651 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1652 1653 /* build modem switches */ 1654 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1655 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1656 return err; 1657 1658 /* build chip specific controls */ 1659 if (ac97->build_ops->build_specific) 1660 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1661 return err; 1662 1663 return 0; 1664 } 1665 1666 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1667 { 1668 unsigned short val; 1669 unsigned int tmp; 1670 1671 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1672 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1673 if (shadow_reg) 1674 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1675 val = snd_ac97_read(ac97, reg); 1676 return val == (tmp & 0xffff); 1677 } 1678 1679 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1680 { 1681 unsigned int result = 0; 1682 unsigned short saved; 1683 1684 if (ac97->bus->no_vra) { 1685 *r_result = SNDRV_PCM_RATE_48000; 1686 if ((ac97->flags & AC97_DOUBLE_RATE) && 1687 reg == AC97_PCM_FRONT_DAC_RATE) 1688 *r_result |= SNDRV_PCM_RATE_96000; 1689 return; 1690 } 1691 1692 saved = snd_ac97_read(ac97, reg); 1693 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1694 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1695 AC97_EA_DRA, 0); 1696 /* test a non-standard rate */ 1697 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1698 result |= SNDRV_PCM_RATE_CONTINUOUS; 1699 /* let's try to obtain standard rates */ 1700 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1701 result |= SNDRV_PCM_RATE_8000; 1702 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1703 result |= SNDRV_PCM_RATE_11025; 1704 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1705 result |= SNDRV_PCM_RATE_16000; 1706 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1707 result |= SNDRV_PCM_RATE_22050; 1708 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1709 result |= SNDRV_PCM_RATE_32000; 1710 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1711 result |= SNDRV_PCM_RATE_44100; 1712 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1713 result |= SNDRV_PCM_RATE_48000; 1714 if ((ac97->flags & AC97_DOUBLE_RATE) && 1715 reg == AC97_PCM_FRONT_DAC_RATE) { 1716 /* test standard double rates */ 1717 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1718 AC97_EA_DRA, AC97_EA_DRA); 1719 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1720 result |= SNDRV_PCM_RATE_64000; 1721 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1722 result |= SNDRV_PCM_RATE_88200; 1723 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1724 result |= SNDRV_PCM_RATE_96000; 1725 /* some codecs don't support variable double rates */ 1726 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1727 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1728 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1729 AC97_EA_DRA, 0); 1730 } 1731 /* restore the default value */ 1732 snd_ac97_write_cache(ac97, reg, saved); 1733 if (shadow_reg) 1734 snd_ac97_write_cache(ac97, shadow_reg, saved); 1735 *r_result = result; 1736 } 1737 1738 /* check AC97_SPDIF register to accept which sample rates */ 1739 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1740 { 1741 unsigned int result = 0; 1742 int i; 1743 static unsigned short ctl_bits[] = { 1744 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1745 }; 1746 static unsigned int rate_bits[] = { 1747 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1748 }; 1749 1750 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1751 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1752 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1753 result |= rate_bits[i]; 1754 } 1755 return result; 1756 } 1757 1758 /* look for the codec id table matching with the given id */ 1759 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1760 unsigned int id) 1761 { 1762 const struct ac97_codec_id *pid; 1763 1764 for (pid = table; pid->id; pid++) 1765 if (pid->id == (id & pid->mask)) 1766 return pid; 1767 return NULL; 1768 } 1769 1770 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1771 { 1772 const struct ac97_codec_id *pid; 1773 1774 sprintf(name, "0x%x %c%c%c", id, 1775 printable(id >> 24), 1776 printable(id >> 16), 1777 printable(id >> 8)); 1778 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1779 if (! pid) 1780 return; 1781 1782 strcpy(name, pid->name); 1783 if (ac97 && pid->patch) { 1784 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1785 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1786 pid->patch(ac97); 1787 } 1788 1789 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1790 if (pid) { 1791 strcat(name, " "); 1792 strcat(name, pid->name); 1793 if (pid->mask != 0xffffffff) 1794 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1795 if (ac97 && pid->patch) { 1796 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1797 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1798 pid->patch(ac97); 1799 } 1800 } else 1801 sprintf(name + strlen(name), " id %x", id & 0xff); 1802 } 1803 1804 /** 1805 * snd_ac97_get_short_name - retrieve codec name 1806 * @ac97: the codec instance 1807 * 1808 * Returns the short identifying name of the codec. 1809 */ 1810 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1811 { 1812 const struct ac97_codec_id *pid; 1813 1814 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1815 if (pid->id == (ac97->id & pid->mask)) 1816 return pid->name; 1817 return "unknown codec"; 1818 } 1819 1820 EXPORT_SYMBOL(snd_ac97_get_short_name); 1821 1822 /* wait for a while until registers are accessible after RESET 1823 * return 0 if ok, negative not ready 1824 */ 1825 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1826 { 1827 unsigned long end_time; 1828 unsigned short val; 1829 1830 end_time = jiffies + timeout; 1831 do { 1832 1833 /* use preliminary reads to settle the communication */ 1834 snd_ac97_read(ac97, AC97_RESET); 1835 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1836 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1837 /* modem? */ 1838 if (with_modem) { 1839 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1840 if (val != 0xffff && (val & 1) != 0) 1841 return 0; 1842 } 1843 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1844 /* probably only Xbox issue - all registers are read as zero */ 1845 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1846 if (val != 0 && val != 0xffff) 1847 return 0; 1848 } else { 1849 /* because the PCM or MASTER volume registers can be modified, 1850 * the REC_GAIN register is used for tests 1851 */ 1852 /* test if we can write to the record gain volume register */ 1853 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1854 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1855 return 0; 1856 } 1857 schedule_timeout_uninterruptible(1); 1858 } while (time_after_eq(end_time, jiffies)); 1859 return -ENODEV; 1860 } 1861 1862 /** 1863 * snd_ac97_bus - create an AC97 bus component 1864 * @card: the card instance 1865 * @num: the bus number 1866 * @ops: the bus callbacks table 1867 * @private_data: private data pointer for the new instance 1868 * @rbus: the pointer to store the new AC97 bus instance. 1869 * 1870 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1871 * allocated and initialized. 1872 * 1873 * The ops table must include valid callbacks (at least read and 1874 * write). The other callbacks, wait and reset, are not mandatory. 1875 * 1876 * The clock is set to 48000. If another clock is needed, set 1877 * (*rbus)->clock manually. 1878 * 1879 * The AC97 bus instance is registered as a low-level device, so you don't 1880 * have to release it manually. 1881 * 1882 * Returns zero if successful, or a negative error code on failure. 1883 */ 1884 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1885 void *private_data, struct snd_ac97_bus **rbus) 1886 { 1887 int err; 1888 struct snd_ac97_bus *bus; 1889 static struct snd_device_ops dev_ops = { 1890 .dev_free = snd_ac97_bus_dev_free, 1891 }; 1892 1893 if (snd_BUG_ON(!card)) 1894 return -EINVAL; 1895 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1896 if (bus == NULL) 1897 return -ENOMEM; 1898 bus->card = card; 1899 bus->num = num; 1900 bus->ops = ops; 1901 bus->private_data = private_data; 1902 bus->clock = 48000; 1903 spin_lock_init(&bus->bus_lock); 1904 snd_ac97_bus_proc_init(bus); 1905 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1906 snd_ac97_bus_free(bus); 1907 return err; 1908 } 1909 if (rbus) 1910 *rbus = bus; 1911 return 0; 1912 } 1913 1914 EXPORT_SYMBOL(snd_ac97_bus); 1915 1916 /* stop no dev release warning */ 1917 static void ac97_device_release(struct device * dev) 1918 { 1919 } 1920 1921 /* register ac97 codec to bus */ 1922 static int snd_ac97_dev_register(struct snd_device *device) 1923 { 1924 struct snd_ac97 *ac97 = device->device_data; 1925 int err; 1926 1927 ac97->dev.bus = &ac97_bus_type; 1928 ac97->dev.parent = ac97->bus->card->dev; 1929 ac97->dev.release = ac97_device_release; 1930 dev_set_name(&ac97->dev, "%d-%d:%s", 1931 ac97->bus->card->number, ac97->num, 1932 snd_ac97_get_short_name(ac97)); 1933 if ((err = device_register(&ac97->dev)) < 0) { 1934 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1935 ac97->dev.bus = NULL; 1936 return err; 1937 } 1938 return 0; 1939 } 1940 1941 /* disconnect ac97 codec */ 1942 static int snd_ac97_dev_disconnect(struct snd_device *device) 1943 { 1944 struct snd_ac97 *ac97 = device->device_data; 1945 if (ac97->dev.bus) 1946 device_unregister(&ac97->dev); 1947 return 0; 1948 } 1949 1950 /* build_ops to do nothing */ 1951 static struct snd_ac97_build_ops null_build_ops; 1952 1953 #ifdef CONFIG_SND_AC97_POWER_SAVE 1954 static void do_update_power(struct work_struct *work) 1955 { 1956 update_power_regs( 1957 container_of(work, struct snd_ac97, power_work.work)); 1958 } 1959 #endif 1960 1961 /** 1962 * snd_ac97_mixer - create an Codec97 component 1963 * @bus: the AC97 bus which codec is attached to 1964 * @template: the template of ac97, including index, callbacks and 1965 * the private data. 1966 * @rac97: the pointer to store the new ac97 instance. 1967 * 1968 * Creates an Codec97 component. An struct snd_ac97 instance is newly 1969 * allocated and initialized from the template. The codec 1970 * is then initialized by the standard procedure. 1971 * 1972 * The template must include the codec number (num) and address (addr), 1973 * and the private data (private_data). 1974 * 1975 * The ac97 instance is registered as a low-level device, so you don't 1976 * have to release it manually. 1977 * 1978 * Returns zero if successful, or a negative error code on failure. 1979 */ 1980 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 1981 { 1982 int err; 1983 struct snd_ac97 *ac97; 1984 struct snd_card *card; 1985 char name[64]; 1986 unsigned long end_time; 1987 unsigned int reg; 1988 const struct ac97_codec_id *pid; 1989 static struct snd_device_ops ops = { 1990 .dev_free = snd_ac97_dev_free, 1991 .dev_register = snd_ac97_dev_register, 1992 .dev_disconnect = snd_ac97_dev_disconnect, 1993 }; 1994 1995 if (rac97) 1996 *rac97 = NULL; 1997 if (snd_BUG_ON(!bus || !template)) 1998 return -EINVAL; 1999 if (snd_BUG_ON(template->num >= 4)) 2000 return -EINVAL; 2001 if (bus->codec[template->num]) 2002 return -EBUSY; 2003 2004 card = bus->card; 2005 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 2006 if (ac97 == NULL) 2007 return -ENOMEM; 2008 ac97->private_data = template->private_data; 2009 ac97->private_free = template->private_free; 2010 ac97->bus = bus; 2011 ac97->pci = template->pci; 2012 ac97->num = template->num; 2013 ac97->addr = template->addr; 2014 ac97->scaps = template->scaps; 2015 ac97->res_table = template->res_table; 2016 bus->codec[ac97->num] = ac97; 2017 mutex_init(&ac97->reg_mutex); 2018 mutex_init(&ac97->page_mutex); 2019 #ifdef CONFIG_SND_AC97_POWER_SAVE 2020 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2021 #endif 2022 2023 #ifdef CONFIG_PCI 2024 if (ac97->pci) { 2025 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2026 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2027 } 2028 #endif 2029 if (bus->ops->reset) { 2030 bus->ops->reset(ac97); 2031 goto __access_ok; 2032 } 2033 2034 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2035 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2036 if (ac97->id && ac97->id != (unsigned int)-1) { 2037 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2038 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2039 goto __access_ok; 2040 } 2041 2042 /* reset to defaults */ 2043 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2044 snd_ac97_write(ac97, AC97_RESET, 0); 2045 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2046 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2047 if (bus->ops->wait) 2048 bus->ops->wait(ac97); 2049 else { 2050 udelay(50); 2051 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2052 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2053 else { 2054 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2055 if (err < 0) 2056 err = ac97_reset_wait(ac97, 2057 msecs_to_jiffies(500), 1); 2058 } 2059 if (err < 0) { 2060 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 2061 /* proceed anyway - it's often non-critical */ 2062 } 2063 } 2064 __access_ok: 2065 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2066 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2067 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2068 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2069 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 2070 snd_ac97_free(ac97); 2071 return -EIO; 2072 } 2073 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2074 if (pid) 2075 ac97->flags |= pid->flags; 2076 2077 /* test for AC'97 */ 2078 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2079 /* test if we can write to the record gain volume register */ 2080 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2081 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 2082 ac97->scaps |= AC97_SCAP_AUDIO; 2083 } 2084 if (ac97->scaps & AC97_SCAP_AUDIO) { 2085 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2086 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2087 if (ac97->ext_id == 0xffff) /* invalid combination */ 2088 ac97->ext_id = 0; 2089 } 2090 2091 /* test for MC'97 */ 2092 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2093 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2094 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2095 ac97->ext_mid = 0; 2096 if (ac97->ext_mid & 1) 2097 ac97->scaps |= AC97_SCAP_MODEM; 2098 } 2099 2100 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2101 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2102 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 2103 snd_ac97_free(ac97); 2104 return -EACCES; 2105 } 2106 2107 if (bus->ops->reset) // FIXME: always skipping? 2108 goto __ready_ok; 2109 2110 /* FIXME: add powerdown control */ 2111 if (ac97_is_audio(ac97)) { 2112 /* nothing should be in powerdown mode */ 2113 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2114 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2115 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2116 udelay(100); 2117 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2118 } 2119 /* nothing should be in powerdown mode */ 2120 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2121 end_time = jiffies + msecs_to_jiffies(100); 2122 do { 2123 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2124 goto __ready_ok; 2125 schedule_timeout_uninterruptible(1); 2126 } while (time_after_eq(end_time, jiffies)); 2127 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 2128 } 2129 2130 /* FIXME: add powerdown control */ 2131 if (ac97_is_modem(ac97)) { 2132 unsigned char tmp; 2133 2134 /* nothing should be in powerdown mode */ 2135 /* note: it's important to set the rate at first */ 2136 tmp = AC97_MEA_GPIO; 2137 if (ac97->ext_mid & AC97_MEI_LINE1) { 2138 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2139 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2140 } 2141 if (ac97->ext_mid & AC97_MEI_LINE2) { 2142 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2143 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2144 } 2145 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2146 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2147 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2148 } 2149 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2150 udelay(100); 2151 /* nothing should be in powerdown mode */ 2152 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2153 end_time = jiffies + msecs_to_jiffies(100); 2154 do { 2155 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2156 goto __ready_ok; 2157 schedule_timeout_uninterruptible(1); 2158 } while (time_after_eq(end_time, jiffies)); 2159 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2160 } 2161 2162 __ready_ok: 2163 if (ac97_is_audio(ac97)) 2164 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2165 else 2166 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2167 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2168 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2169 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2170 if (! bus->no_vra) 2171 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2172 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2173 } 2174 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2175 /* Intel controllers require double rate data to be put in 2176 * slots 7+8, so let's hope the codec supports it. */ 2177 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2178 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2179 ac97->flags |= AC97_DOUBLE_RATE; 2180 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2181 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2182 } 2183 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2184 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2185 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2186 } else { 2187 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2188 if (ac97->flags & AC97_DOUBLE_RATE) 2189 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2190 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2191 } 2192 if (ac97->ext_id & AC97_EI_SPDIF) { 2193 /* codec specific code (patch) should override these values */ 2194 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2195 } 2196 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2197 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2198 } else { 2199 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2200 } 2201 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2202 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2203 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2204 } 2205 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2206 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2207 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2208 } 2209 /* additional initializations */ 2210 if (bus->ops->init) 2211 bus->ops->init(ac97); 2212 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2213 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2214 if (! ac97->build_ops) 2215 ac97->build_ops = &null_build_ops; 2216 2217 if (ac97_is_audio(ac97)) { 2218 char comp[16]; 2219 if (card->mixername[0] == '\0') { 2220 strcpy(card->mixername, name); 2221 } else { 2222 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2223 strcat(card->mixername, ","); 2224 strcat(card->mixername, name); 2225 } 2226 } 2227 sprintf(comp, "AC97a:%08x", ac97->id); 2228 if ((err = snd_component_add(card, comp)) < 0) { 2229 snd_ac97_free(ac97); 2230 return err; 2231 } 2232 if (snd_ac97_mixer_build(ac97) < 0) { 2233 snd_ac97_free(ac97); 2234 return -ENOMEM; 2235 } 2236 } 2237 if (ac97_is_modem(ac97)) { 2238 char comp[16]; 2239 if (card->mixername[0] == '\0') { 2240 strcpy(card->mixername, name); 2241 } else { 2242 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2243 strcat(card->mixername, ","); 2244 strcat(card->mixername, name); 2245 } 2246 } 2247 sprintf(comp, "AC97m:%08x", ac97->id); 2248 if ((err = snd_component_add(card, comp)) < 0) { 2249 snd_ac97_free(ac97); 2250 return err; 2251 } 2252 if (snd_ac97_modem_build(card, ac97) < 0) { 2253 snd_ac97_free(ac97); 2254 return -ENOMEM; 2255 } 2256 } 2257 if (ac97_is_audio(ac97)) 2258 update_power_regs(ac97); 2259 snd_ac97_proc_init(ac97); 2260 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2261 snd_ac97_free(ac97); 2262 return err; 2263 } 2264 *rac97 = ac97; 2265 return 0; 2266 } 2267 2268 EXPORT_SYMBOL(snd_ac97_mixer); 2269 2270 /* 2271 * Power down the chip. 2272 * 2273 * MASTER and HEADPHONE registers are muted but the register cache values 2274 * are not changed, so that the values can be restored in snd_ac97_resume(). 2275 */ 2276 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2277 { 2278 unsigned short power; 2279 2280 if (ac97_is_audio(ac97)) { 2281 /* some codecs have stereo mute bits */ 2282 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2283 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2284 } 2285 2286 /* surround, CLFE, mic powerdown */ 2287 power = ac97->regs[AC97_EXTENDED_STATUS]; 2288 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2289 power |= AC97_EA_PRJ; 2290 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2291 power |= AC97_EA_PRI | AC97_EA_PRK; 2292 power |= AC97_EA_PRL; 2293 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2294 2295 /* powerdown external amplifier */ 2296 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2297 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2298 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2299 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2300 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2301 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2302 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2303 udelay(100); 2304 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ 2305 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2306 if (ac97_is_power_save_mode(ac97)) { 2307 power |= AC97_PD_PR3; /* Analog Mixer powerdown */ 2308 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2309 udelay(100); 2310 /* AC-link powerdown, internal Clk disable */ 2311 /* FIXME: this may cause click noises on some boards */ 2312 power |= AC97_PD_PR4 | AC97_PD_PR5; 2313 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2314 } 2315 } 2316 2317 2318 struct ac97_power_reg { 2319 unsigned short reg; 2320 unsigned short power_reg; 2321 unsigned short mask; 2322 }; 2323 2324 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2325 2326 static struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2327 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2328 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2329 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2330 AC97_EA_PRI | AC97_EA_PRK}, 2331 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2332 AC97_EA_PRJ}, 2333 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2334 AC97_EA_PRL}, 2335 }; 2336 2337 #ifdef CONFIG_SND_AC97_POWER_SAVE 2338 /** 2339 * snd_ac97_update_power - update the powerdown register 2340 * @ac97: the codec instance 2341 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2342 * @powerup: non-zero when power up the part 2343 * 2344 * Update the AC97 powerdown register bits of the given part. 2345 */ 2346 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2347 { 2348 int i; 2349 2350 if (! ac97) 2351 return 0; 2352 2353 if (reg) { 2354 /* SPDIF requires DAC power, too */ 2355 if (reg == AC97_SPDIF) 2356 reg = AC97_PCM_FRONT_DAC_RATE; 2357 for (i = 0; i < PWIDX_SIZE; i++) { 2358 if (power_regs[i].reg == reg) { 2359 if (powerup) 2360 ac97->power_up |= (1 << i); 2361 else 2362 ac97->power_up &= ~(1 << i); 2363 break; 2364 } 2365 } 2366 } 2367 2368 if (ac97_is_power_save_mode(ac97) && !powerup) 2369 /* adjust power-down bits after two seconds delay 2370 * (for avoiding loud click noises for many (OSS) apps 2371 * that open/close frequently) 2372 */ 2373 schedule_delayed_work(&ac97->power_work, 2374 msecs_to_jiffies(power_save * 1000)); 2375 else { 2376 cancel_delayed_work(&ac97->power_work); 2377 update_power_regs(ac97); 2378 } 2379 2380 return 0; 2381 } 2382 2383 EXPORT_SYMBOL(snd_ac97_update_power); 2384 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2385 2386 static void update_power_regs(struct snd_ac97 *ac97) 2387 { 2388 unsigned int power_up, bits; 2389 int i; 2390 2391 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2392 power_up |= (1 << PWIDX_MIC); 2393 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2394 power_up |= (1 << PWIDX_SURR); 2395 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2396 power_up |= (1 << PWIDX_CLFE); 2397 #ifdef CONFIG_SND_AC97_POWER_SAVE 2398 if (ac97_is_power_save_mode(ac97)) 2399 power_up = ac97->power_up; 2400 #endif 2401 if (power_up) { 2402 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2403 /* needs power-up analog mix and vref */ 2404 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2405 AC97_PD_PR3, 0); 2406 msleep(1); 2407 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2408 AC97_PD_PR2, 0); 2409 } 2410 } 2411 for (i = 0; i < PWIDX_SIZE; i++) { 2412 if (power_up & (1 << i)) 2413 bits = 0; 2414 else 2415 bits = power_regs[i].mask; 2416 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2417 power_regs[i].mask, bits); 2418 } 2419 if (! power_up) { 2420 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2421 /* power down analog mix and vref */ 2422 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2423 AC97_PD_PR2, AC97_PD_PR2); 2424 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2425 AC97_PD_PR3, AC97_PD_PR3); 2426 } 2427 } 2428 } 2429 2430 2431 #ifdef CONFIG_PM 2432 /** 2433 * snd_ac97_suspend - General suspend function for AC97 codec 2434 * @ac97: the ac97 instance 2435 * 2436 * Suspends the codec, power down the chip. 2437 */ 2438 void snd_ac97_suspend(struct snd_ac97 *ac97) 2439 { 2440 if (! ac97) 2441 return; 2442 if (ac97->build_ops->suspend) 2443 ac97->build_ops->suspend(ac97); 2444 #ifdef CONFIG_SND_AC97_POWER_SAVE 2445 cancel_delayed_work(&ac97->power_work); 2446 flush_scheduled_work(); 2447 #endif 2448 snd_ac97_powerdown(ac97); 2449 } 2450 2451 EXPORT_SYMBOL(snd_ac97_suspend); 2452 2453 /* 2454 * restore ac97 status 2455 */ 2456 static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2457 { 2458 int i; 2459 2460 for (i = 2; i < 0x7c ; i += 2) { 2461 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2462 continue; 2463 /* restore only accessible registers 2464 * some chip (e.g. nm256) may hang up when unsupported registers 2465 * are accessed..! 2466 */ 2467 if (test_bit(i, ac97->reg_accessed)) { 2468 snd_ac97_write(ac97, i, ac97->regs[i]); 2469 snd_ac97_read(ac97, i); 2470 } 2471 } 2472 } 2473 2474 /* 2475 * restore IEC958 status 2476 */ 2477 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2478 { 2479 if (ac97->ext_id & AC97_EI_SPDIF) { 2480 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2481 /* reset spdif status */ 2482 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2483 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2484 if (ac97->flags & AC97_CS_SPDIF) 2485 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2486 else 2487 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2488 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2489 } 2490 } 2491 } 2492 2493 /** 2494 * snd_ac97_resume - General resume function for AC97 codec 2495 * @ac97: the ac97 instance 2496 * 2497 * Do the standard resume procedure, power up and restoring the 2498 * old register values. 2499 */ 2500 void snd_ac97_resume(struct snd_ac97 *ac97) 2501 { 2502 unsigned long end_time; 2503 2504 if (! ac97) 2505 return; 2506 2507 if (ac97->bus->ops->reset) { 2508 ac97->bus->ops->reset(ac97); 2509 goto __reset_ready; 2510 } 2511 2512 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2513 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2514 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2515 snd_ac97_write(ac97, AC97_RESET, 0); 2516 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2517 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2518 udelay(100); 2519 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2520 } 2521 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2522 2523 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2524 if (ac97_is_audio(ac97)) { 2525 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2526 end_time = jiffies + msecs_to_jiffies(100); 2527 do { 2528 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2529 break; 2530 schedule_timeout_uninterruptible(1); 2531 } while (time_after_eq(end_time, jiffies)); 2532 /* FIXME: extra delay */ 2533 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); 2534 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) 2535 msleep(250); 2536 } else { 2537 end_time = jiffies + msecs_to_jiffies(100); 2538 do { 2539 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2540 if (val != 0xffff && (val & 1) != 0) 2541 break; 2542 schedule_timeout_uninterruptible(1); 2543 } while (time_after_eq(end_time, jiffies)); 2544 } 2545 __reset_ready: 2546 2547 if (ac97->bus->ops->init) 2548 ac97->bus->ops->init(ac97); 2549 2550 if (ac97->build_ops->resume) 2551 ac97->build_ops->resume(ac97); 2552 else { 2553 snd_ac97_restore_status(ac97); 2554 snd_ac97_restore_iec958(ac97); 2555 } 2556 } 2557 2558 EXPORT_SYMBOL(snd_ac97_resume); 2559 #endif 2560 2561 2562 /* 2563 * Hardware tuning 2564 */ 2565 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2566 { 2567 if (suffix) 2568 sprintf(dst, "%s %s", src, suffix); 2569 else 2570 strcpy(dst, src); 2571 } 2572 2573 /* remove the control with the given name and optional suffix */ 2574 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2575 const char *suffix) 2576 { 2577 struct snd_ctl_elem_id id; 2578 memset(&id, 0, sizeof(id)); 2579 set_ctl_name(id.name, name, suffix); 2580 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2581 return snd_ctl_remove_id(ac97->bus->card, &id); 2582 } 2583 2584 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2585 { 2586 struct snd_ctl_elem_id sid; 2587 memset(&sid, 0, sizeof(sid)); 2588 set_ctl_name(sid.name, name, suffix); 2589 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2590 return snd_ctl_find_id(ac97->bus->card, &sid); 2591 } 2592 2593 /* rename the control with the given name and optional suffix */ 2594 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2595 const char *dst, const char *suffix) 2596 { 2597 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2598 if (kctl) { 2599 set_ctl_name(kctl->id.name, dst, suffix); 2600 return 0; 2601 } 2602 return -ENOENT; 2603 } 2604 2605 /* rename both Volume and Switch controls - don't check the return value */ 2606 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2607 const char *dst) 2608 { 2609 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2610 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2611 } 2612 2613 /* swap controls */ 2614 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2615 const char *s2, const char *suffix) 2616 { 2617 struct snd_kcontrol *kctl1, *kctl2; 2618 kctl1 = ctl_find(ac97, s1, suffix); 2619 kctl2 = ctl_find(ac97, s2, suffix); 2620 if (kctl1 && kctl2) { 2621 set_ctl_name(kctl1->id.name, s2, suffix); 2622 set_ctl_name(kctl2->id.name, s1, suffix); 2623 return 0; 2624 } 2625 return -ENOENT; 2626 } 2627 2628 #if 1 2629 /* bind hp and master controls instead of using only hp control */ 2630 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2631 { 2632 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2633 if (err > 0) { 2634 unsigned long priv_saved = kcontrol->private_value; 2635 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2636 snd_ac97_put_volsw(kcontrol, ucontrol); 2637 kcontrol->private_value = priv_saved; 2638 } 2639 return err; 2640 } 2641 2642 /* ac97 tune: bind Master and Headphone controls */ 2643 static int tune_hp_only(struct snd_ac97 *ac97) 2644 { 2645 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2646 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2647 if (! msw || ! mvol) 2648 return -ENOENT; 2649 msw->put = bind_hp_volsw_put; 2650 mvol->put = bind_hp_volsw_put; 2651 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2652 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2653 return 0; 2654 } 2655 2656 #else 2657 /* ac97 tune: use Headphone control as master */ 2658 static int tune_hp_only(struct snd_ac97 *ac97) 2659 { 2660 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2661 return -ENOENT; 2662 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2663 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2664 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2665 return 0; 2666 } 2667 #endif 2668 2669 /* ac97 tune: swap Headphone and Master controls */ 2670 static int tune_swap_hp(struct snd_ac97 *ac97) 2671 { 2672 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2673 return -ENOENT; 2674 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2675 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2676 return 0; 2677 } 2678 2679 /* ac97 tune: swap Surround and Master controls */ 2680 static int tune_swap_surround(struct snd_ac97 *ac97) 2681 { 2682 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2683 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2684 return -ENOENT; 2685 return 0; 2686 } 2687 2688 /* ac97 tune: set up mic sharing for AD codecs */ 2689 static int tune_ad_sharing(struct snd_ac97 *ac97) 2690 { 2691 unsigned short scfg; 2692 if ((ac97->id & 0xffffff00) != 0x41445300) { 2693 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2694 return -EINVAL; 2695 } 2696 /* Turn on OMS bit to route microphone to back panel */ 2697 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2698 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2699 return 0; 2700 } 2701 2702 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2703 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2704 2705 /* ac97 tune: set up ALC jack-select */ 2706 static int tune_alc_jack(struct snd_ac97 *ac97) 2707 { 2708 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2709 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2710 return -EINVAL; 2711 } 2712 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2713 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2714 if (ac97->id == AC97_ID_ALC658D) 2715 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2716 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2717 } 2718 2719 /* ac97 tune: inversed EAPD bit */ 2720 static int tune_inv_eapd(struct snd_ac97 *ac97) 2721 { 2722 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2723 if (! kctl) 2724 return -ENOENT; 2725 set_inv_eapd(ac97, kctl); 2726 return 0; 2727 } 2728 2729 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2730 { 2731 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2732 if (err > 0) { 2733 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2734 int shift = (kcontrol->private_value >> 8) & 0x0f; 2735 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2736 unsigned short mask; 2737 if (shift != rshift) 2738 mask = 0x8080; 2739 else 2740 mask = 0x8000; 2741 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2742 (ac97->regs[AC97_MASTER] & mask) == mask ? 2743 0x8000 : 0); 2744 } 2745 return err; 2746 } 2747 2748 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2749 static int tune_mute_led(struct snd_ac97 *ac97) 2750 { 2751 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2752 if (! msw) 2753 return -ENOENT; 2754 msw->put = master_mute_sw_put; 2755 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2756 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2757 ac97->scaps |= AC97_SCAP_EAPD_LED; 2758 return 0; 2759 } 2760 2761 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2762 struct snd_ctl_elem_value *ucontrol) 2763 { 2764 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2765 if (err > 0) { 2766 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2767 int shift = (kcontrol->private_value >> 8) & 0x0f; 2768 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2769 unsigned short mask; 2770 if (shift != rshift) 2771 mask = 0x8080; 2772 else 2773 mask = 0x8000; 2774 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2775 (ac97->regs[AC97_MASTER] & mask) == mask ? 2776 0x8000 : 0); 2777 } 2778 return err; 2779 } 2780 2781 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2782 { 2783 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2784 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2785 if (! msw || ! mvol) 2786 return -ENOENT; 2787 msw->put = hp_master_mute_sw_put; 2788 mvol->put = bind_hp_volsw_put; 2789 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2790 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2791 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2792 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2793 return 0; 2794 } 2795 2796 struct quirk_table { 2797 const char *name; 2798 int (*func)(struct snd_ac97 *); 2799 }; 2800 2801 static struct quirk_table applicable_quirks[] = { 2802 { "none", NULL }, 2803 { "hp_only", tune_hp_only }, 2804 { "swap_hp", tune_swap_hp }, 2805 { "swap_surround", tune_swap_surround }, 2806 { "ad_sharing", tune_ad_sharing }, 2807 { "alc_jack", tune_alc_jack }, 2808 { "inv_eapd", tune_inv_eapd }, 2809 { "mute_led", tune_mute_led }, 2810 { "hp_mute_led", tune_hp_mute_led }, 2811 }; 2812 2813 /* apply the quirk with the given type */ 2814 static int apply_quirk(struct snd_ac97 *ac97, int type) 2815 { 2816 if (type <= 0) 2817 return 0; 2818 else if (type >= ARRAY_SIZE(applicable_quirks)) 2819 return -EINVAL; 2820 if (applicable_quirks[type].func) 2821 return applicable_quirks[type].func(ac97); 2822 return 0; 2823 } 2824 2825 /* apply the quirk with the given name */ 2826 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2827 { 2828 int i; 2829 struct quirk_table *q; 2830 2831 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2832 q = &applicable_quirks[i]; 2833 if (q->name && ! strcmp(typestr, q->name)) 2834 return apply_quirk(ac97, i); 2835 } 2836 /* for compatibility, accept the numbers, too */ 2837 if (*typestr >= '0' && *typestr <= '9') 2838 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2839 return -EINVAL; 2840 } 2841 2842 /** 2843 * snd_ac97_tune_hardware - tune up the hardware 2844 * @ac97: the ac97 instance 2845 * @quirk: quirk list 2846 * @override: explicit quirk value (overrides the list if non-NULL) 2847 * 2848 * Do some workaround for each pci device, such as renaming of the 2849 * headphone (true line-out) control as "Master". 2850 * The quirk-list must be terminated with a zero-filled entry. 2851 * 2852 * Returns zero if successful, or a negative error code on failure. 2853 */ 2854 2855 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) 2856 { 2857 int result; 2858 2859 /* quirk overriden? */ 2860 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2861 result = apply_quirk_str(ac97, override); 2862 if (result < 0) 2863 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2864 return result; 2865 } 2866 2867 if (! quirk) 2868 return -EINVAL; 2869 2870 for (; quirk->subvendor; quirk++) { 2871 if (quirk->subvendor != ac97->subsystem_vendor) 2872 continue; 2873 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2874 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2875 if (quirk->codec_id && quirk->codec_id != ac97->id) 2876 continue; 2877 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2878 result = apply_quirk(ac97, quirk->type); 2879 if (result < 0) 2880 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2881 return result; 2882 } 2883 } 2884 return 0; 2885 } 2886 2887 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2888 2889 /* 2890 * INIT part 2891 */ 2892 2893 static int __init alsa_ac97_init(void) 2894 { 2895 return 0; 2896 } 2897 2898 static void __exit alsa_ac97_exit(void) 2899 { 2900 } 2901 2902 module_init(alsa_ac97_init) 2903 module_exit(alsa_ac97_exit) 2904