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/module.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 bool 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 /* 75 * This is an _inofficial_ Aztech Labs entry 76 * (value might differ from unknown official Aztech ID), 77 * currently used by the AC97 emulation of the almost-AC97 PCI168 card. 78 */ 79 { 0x415a5400, 0xffffff00, "Aztech Labs (emulated)", NULL, NULL }, 80 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, 81 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, 82 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, 83 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, 84 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, 85 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, 86 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, 87 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, 88 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, 89 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, 90 { 0x50534300, 0xffffff00, "Philips", NULL, NULL }, 91 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, 92 { 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL }, 93 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, 94 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, 95 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, 96 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, 97 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, 98 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, 99 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, 100 { 0, 0, NULL, NULL, NULL } 101 }; 102 103 static const struct ac97_codec_id snd_ac97_codec_ids[] = { 104 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, 105 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, 106 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, 107 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, 108 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, 109 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, 110 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, 111 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, 112 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, 113 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, 114 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, 115 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, 116 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL }, 117 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, 118 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, 119 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, 120 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, 121 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, 122 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, 123 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, 124 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ 125 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ 126 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ 127 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, 128 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 129 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 130 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 131 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, 132 { 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL }, 133 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ 134 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 135 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 136 { 0x415a5401, 0xffffffff, "AZF3328", patch_aztech_azf3328, NULL }, 137 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, 138 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, 139 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, 140 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL }, 141 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL }, 142 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL }, 143 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, 144 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, 145 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, 146 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, 147 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, 148 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, 149 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, 150 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, 151 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, 152 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II 153 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different 154 { 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL }, 155 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL }, 156 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 157 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028? 158 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 159 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 160 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 161 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 162 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 163 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 164 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 165 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 166 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 167 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 168 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 169 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix 170 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL }, 171 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 172 { 0x53544d02, 0xffffffff, "ST7597", NULL, NULL }, 173 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 174 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL }, 175 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 176 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 177 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 178 { 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL }, 179 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 180 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 181 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 182 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL }, 183 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 184 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL }, 185 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 186 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 187 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 188 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 189 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL}, 190 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 191 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL }, 192 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 193 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 194 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 195 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 196 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 197 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 198 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 199 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 200 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 201 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 202 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 203 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 204 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 205 { 0, 0, NULL, NULL, NULL } 206 }; 207 208 209 static void update_power_regs(struct snd_ac97 *ac97); 210 #ifdef CONFIG_SND_AC97_POWER_SAVE 211 #define ac97_is_power_save_mode(ac97) \ 212 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save) 213 #else 214 #define ac97_is_power_save_mode(ac97) 0 215 #endif 216 217 #define ac97_err(ac97, fmt, args...) \ 218 dev_err((ac97)->bus->card->dev, fmt, ##args) 219 #define ac97_warn(ac97, fmt, args...) \ 220 dev_warn((ac97)->bus->card->dev, fmt, ##args) 221 #define ac97_dbg(ac97, fmt, args...) \ 222 dev_dbg((ac97)->bus->card->dev, fmt, ##args) 223 224 /* 225 * I/O routines 226 */ 227 228 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 229 { 230 /* filter some registers for buggy codecs */ 231 switch (ac97->id) { 232 case AC97_ID_ST_AC97_ID4: 233 if (reg == 0x08) 234 return 0; 235 /* fall through */ 236 case AC97_ID_ST7597: 237 if (reg == 0x22 || reg == 0x7a) 238 return 1; 239 /* fall through */ 240 case AC97_ID_AK4540: 241 case AC97_ID_AK4542: 242 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 243 return 1; 244 return 0; 245 case AC97_ID_AD1819: /* AD1819 */ 246 case AC97_ID_AD1881: /* AD1881 */ 247 case AC97_ID_AD1881A: /* AD1881A */ 248 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 249 return 0; 250 return 1; 251 case AC97_ID_AD1885: /* AD1885 */ 252 case AC97_ID_AD1886: /* AD1886 */ 253 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 254 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 255 if (reg == 0x5a) 256 return 1; 257 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 258 return 0; 259 return 1; 260 case AC97_ID_STAC9700: 261 case AC97_ID_STAC9704: 262 case AC97_ID_STAC9705: 263 case AC97_ID_STAC9708: 264 case AC97_ID_STAC9721: 265 case AC97_ID_STAC9744: 266 case AC97_ID_STAC9756: 267 if (reg <= 0x3a || reg >= 0x5a) 268 return 1; 269 return 0; 270 } 271 return 1; 272 } 273 274 /** 275 * snd_ac97_write - write a value on the given register 276 * @ac97: the ac97 instance 277 * @reg: the register to change 278 * @value: the value to set 279 * 280 * Writes a value on the given register. This will invoke the write 281 * callback directly after the register check. 282 * This function doesn't change the register cache unlike 283 * #snd_ca97_write_cache(), so use this only when you don't want to 284 * reflect the change to the suspend/resume state. 285 */ 286 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 287 { 288 if (!snd_ac97_valid_reg(ac97, reg)) 289 return; 290 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 291 /* Fix H/W bug of ALC100/100P */ 292 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 293 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 294 } 295 ac97->bus->ops->write(ac97, reg, value); 296 } 297 298 EXPORT_SYMBOL(snd_ac97_write); 299 300 /** 301 * snd_ac97_read - read a value from the given register 302 * 303 * @ac97: the ac97 instance 304 * @reg: the register to read 305 * 306 * Reads a value from the given register. This will invoke the read 307 * callback directly after the register check. 308 * 309 * Return: The read value. 310 */ 311 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 312 { 313 if (!snd_ac97_valid_reg(ac97, reg)) 314 return 0; 315 return ac97->bus->ops->read(ac97, reg); 316 } 317 318 /* read a register - return the cached value if already read */ 319 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 320 { 321 if (! test_bit(reg, ac97->reg_accessed)) { 322 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 323 // set_bit(reg, ac97->reg_accessed); 324 } 325 return ac97->regs[reg]; 326 } 327 328 EXPORT_SYMBOL(snd_ac97_read); 329 330 /** 331 * snd_ac97_write_cache - write a value on the given register and update the cache 332 * @ac97: the ac97 instance 333 * @reg: the register to change 334 * @value: the value to set 335 * 336 * Writes a value on the given register and updates the register 337 * cache. The cached values are used for the cached-read and the 338 * suspend/resume. 339 */ 340 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 341 { 342 if (!snd_ac97_valid_reg(ac97, reg)) 343 return; 344 mutex_lock(&ac97->reg_mutex); 345 ac97->regs[reg] = value; 346 ac97->bus->ops->write(ac97, reg, value); 347 set_bit(reg, ac97->reg_accessed); 348 mutex_unlock(&ac97->reg_mutex); 349 } 350 351 EXPORT_SYMBOL(snd_ac97_write_cache); 352 353 /** 354 * snd_ac97_update - update the value on the given register 355 * @ac97: the ac97 instance 356 * @reg: the register to change 357 * @value: the value to set 358 * 359 * Compares the value with the register cache and updates the value 360 * only when the value is changed. 361 * 362 * Return: 1 if the value is changed, 0 if no change, or a negative 363 * code on failure. 364 */ 365 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 366 { 367 int change; 368 369 if (!snd_ac97_valid_reg(ac97, reg)) 370 return -EINVAL; 371 mutex_lock(&ac97->reg_mutex); 372 change = ac97->regs[reg] != value; 373 if (change) { 374 ac97->regs[reg] = value; 375 ac97->bus->ops->write(ac97, reg, value); 376 } 377 set_bit(reg, ac97->reg_accessed); 378 mutex_unlock(&ac97->reg_mutex); 379 return change; 380 } 381 382 EXPORT_SYMBOL(snd_ac97_update); 383 384 /** 385 * snd_ac97_update_bits - update the bits on the given register 386 * @ac97: the ac97 instance 387 * @reg: the register to change 388 * @mask: the bit-mask to change 389 * @value: the value to set 390 * 391 * Updates the masked-bits on the given register only when the value 392 * is changed. 393 * 394 * Return: 1 if the bits are changed, 0 if no change, or a negative 395 * code on failure. 396 */ 397 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 398 { 399 int change; 400 401 if (!snd_ac97_valid_reg(ac97, reg)) 402 return -EINVAL; 403 mutex_lock(&ac97->reg_mutex); 404 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 405 mutex_unlock(&ac97->reg_mutex); 406 return change; 407 } 408 409 EXPORT_SYMBOL(snd_ac97_update_bits); 410 411 /* no lock version - see snd_ac97_update_bits() */ 412 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 413 unsigned short mask, unsigned short value) 414 { 415 int change; 416 unsigned short old, new; 417 418 old = snd_ac97_read_cache(ac97, reg); 419 new = (old & ~mask) | (value & mask); 420 change = old != new; 421 if (change) { 422 ac97->regs[reg] = new; 423 ac97->bus->ops->write(ac97, reg, new); 424 } 425 set_bit(reg, ac97->reg_accessed); 426 return change; 427 } 428 429 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 430 { 431 int change; 432 unsigned short old, new, cfg; 433 434 mutex_lock(&ac97->page_mutex); 435 old = ac97->spec.ad18xx.pcmreg[codec]; 436 new = (old & ~mask) | (value & mask); 437 change = old != new; 438 if (change) { 439 mutex_lock(&ac97->reg_mutex); 440 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 441 ac97->spec.ad18xx.pcmreg[codec] = new; 442 /* select single codec */ 443 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 444 (cfg & ~0x7000) | 445 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 446 /* update PCM bits */ 447 ac97->bus->ops->write(ac97, AC97_PCM, new); 448 /* select all codecs */ 449 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 450 cfg | 0x7000); 451 mutex_unlock(&ac97->reg_mutex); 452 } 453 mutex_unlock(&ac97->page_mutex); 454 return change; 455 } 456 457 /* 458 * Controls 459 */ 460 461 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, 462 struct snd_ctl_elem_info *uinfo) 463 { 464 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 465 466 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 467 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 468 uinfo->value.enumerated.items = e->mask; 469 470 if (uinfo->value.enumerated.item > e->mask - 1) 471 uinfo->value.enumerated.item = e->mask - 1; 472 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 473 return 0; 474 } 475 476 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, 477 struct snd_ctl_elem_value *ucontrol) 478 { 479 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 480 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 481 unsigned short val, bitmask; 482 483 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 484 ; 485 val = snd_ac97_read_cache(ac97, e->reg); 486 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 487 if (e->shift_l != e->shift_r) 488 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 489 490 return 0; 491 } 492 493 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, 494 struct snd_ctl_elem_value *ucontrol) 495 { 496 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 497 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 498 unsigned short val; 499 unsigned short mask, bitmask; 500 501 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 502 ; 503 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 504 return -EINVAL; 505 val = ucontrol->value.enumerated.item[0] << e->shift_l; 506 mask = (bitmask - 1) << e->shift_l; 507 if (e->shift_l != e->shift_r) { 508 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 509 return -EINVAL; 510 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 511 mask |= (bitmask - 1) << e->shift_r; 512 } 513 return snd_ac97_update_bits(ac97, e->reg, mask, val); 514 } 515 516 /* save/restore ac97 v2.3 paging */ 517 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 518 { 519 int page_save = -1; 520 if ((kcontrol->private_value & (1<<25)) && 521 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 522 (reg >= 0x60 && reg < 0x70)) { 523 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 524 mutex_lock(&ac97->page_mutex); /* lock paging */ 525 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 526 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 527 } 528 return page_save; 529 } 530 531 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 532 { 533 if (page_save >= 0) { 534 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 535 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 536 } 537 } 538 539 /* volume and switch controls */ 540 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, 541 struct snd_ctl_elem_info *uinfo) 542 { 543 int mask = (kcontrol->private_value >> 16) & 0xff; 544 int shift = (kcontrol->private_value >> 8) & 0x0f; 545 int rshift = (kcontrol->private_value >> 12) & 0x0f; 546 547 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 548 uinfo->count = shift == rshift ? 1 : 2; 549 uinfo->value.integer.min = 0; 550 uinfo->value.integer.max = mask; 551 return 0; 552 } 553 554 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, 555 struct snd_ctl_elem_value *ucontrol) 556 { 557 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 558 int reg = kcontrol->private_value & 0xff; 559 int shift = (kcontrol->private_value >> 8) & 0x0f; 560 int rshift = (kcontrol->private_value >> 12) & 0x0f; 561 int mask = (kcontrol->private_value >> 16) & 0xff; 562 int invert = (kcontrol->private_value >> 24) & 0x01; 563 int page_save; 564 565 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 566 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 567 if (shift != rshift) 568 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 569 if (invert) { 570 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 571 if (shift != rshift) 572 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 573 } 574 snd_ac97_page_restore(ac97, page_save); 575 return 0; 576 } 577 578 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, 579 struct snd_ctl_elem_value *ucontrol) 580 { 581 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 582 int reg = kcontrol->private_value & 0xff; 583 int shift = (kcontrol->private_value >> 8) & 0x0f; 584 int rshift = (kcontrol->private_value >> 12) & 0x0f; 585 int mask = (kcontrol->private_value >> 16) & 0xff; 586 int invert = (kcontrol->private_value >> 24) & 0x01; 587 int err, page_save; 588 unsigned short val, val2, val_mask; 589 590 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 591 val = (ucontrol->value.integer.value[0] & mask); 592 if (invert) 593 val = mask - val; 594 val_mask = mask << shift; 595 val = val << shift; 596 if (shift != rshift) { 597 val2 = (ucontrol->value.integer.value[1] & mask); 598 if (invert) 599 val2 = mask - val2; 600 val_mask |= mask << rshift; 601 val |= val2 << rshift; 602 } 603 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 604 snd_ac97_page_restore(ac97, page_save); 605 #ifdef CONFIG_SND_AC97_POWER_SAVE 606 /* check analog mixer power-down */ 607 if ((val_mask & AC97_PD_EAPD) && 608 (kcontrol->private_value & (1<<30))) { 609 if (val & AC97_PD_EAPD) 610 ac97->power_up &= ~(1 << (reg>>1)); 611 else 612 ac97->power_up |= 1 << (reg>>1); 613 update_power_regs(ac97); 614 } 615 #endif 616 return err; 617 } 618 619 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 620 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 621 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 622 }; 623 624 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 625 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 626 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 627 }; 628 629 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 630 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1), 631 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1) 632 }; 633 634 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 635 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 636 637 638 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 639 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 640 static const char* std_mix[] = {"Mix", "Mic"}; 641 static const char* std_mic[] = {"Mic1", "Mic2"}; 642 643 static const struct ac97_enum std_enum[] = { 644 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 645 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 646 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 647 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 648 }; 649 650 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 651 AC97_ENUM("Capture Source", std_enum[0]); 652 653 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 654 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 655 656 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 657 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 658 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 659 }; 660 661 enum { 662 AC97_GENERAL_PCM_OUT = 0, 663 AC97_GENERAL_STEREO_ENHANCEMENT, 664 AC97_GENERAL_3D, 665 AC97_GENERAL_LOUDNESS, 666 AC97_GENERAL_MONO, 667 AC97_GENERAL_MIC, 668 AC97_GENERAL_LOOPBACK 669 }; 670 671 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 672 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 673 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 674 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 675 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 676 AC97_ENUM("Mono Output Select", std_enum[2]), 677 AC97_ENUM("Mic Select", std_enum[3]), 678 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 679 }; 680 681 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 682 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 683 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 684 }; 685 686 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 687 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 688 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 689 }; 690 691 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 692 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 693 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 694 }; 695 696 static const struct snd_kcontrol_new snd_ac97_control_eapd = 697 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 698 699 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 700 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 701 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 702 }; 703 704 /* change the existing EAPD control as inverted */ 705 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 706 { 707 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 708 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 709 ac97->scaps |= AC97_SCAP_INV_EAPD; 710 } 711 712 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 713 { 714 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 715 uinfo->count = 1; 716 return 0; 717 } 718 719 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 720 { 721 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 722 IEC958_AES0_NONAUDIO | 723 IEC958_AES0_CON_EMPHASIS_5015 | 724 IEC958_AES0_CON_NOT_COPYRIGHT; 725 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 726 IEC958_AES1_CON_ORIGINAL; 727 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 728 return 0; 729 } 730 731 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 732 { 733 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 734 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 735 IEC958_AES0_NONAUDIO | 736 IEC958_AES0_PRO_FS | 737 IEC958_AES0_PRO_EMPHASIS_5015; 738 return 0; 739 } 740 741 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 742 { 743 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 744 745 mutex_lock(&ac97->reg_mutex); 746 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 747 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 748 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 749 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 750 mutex_unlock(&ac97->reg_mutex); 751 return 0; 752 } 753 754 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 755 { 756 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 757 unsigned int new = 0; 758 unsigned short val = 0; 759 int change; 760 761 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 762 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 763 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 764 switch (new & IEC958_AES0_PRO_FS) { 765 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 766 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 767 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 768 default: val |= 1<<12; break; 769 } 770 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 771 val |= 1<<3; 772 } else { 773 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 774 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 775 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 776 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 777 val |= 1<<3; 778 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 779 val |= 1<<2; 780 val |= ((new >> 8) & 0xff) << 4; // category + original 781 switch ((new >> 24) & 0xff) { 782 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 783 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 784 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 785 default: val |= 1<<12; break; 786 } 787 } 788 789 mutex_lock(&ac97->reg_mutex); 790 change = ac97->spdif_status != new; 791 ac97->spdif_status = new; 792 793 if (ac97->flags & AC97_CS_SPDIF) { 794 int x = (val >> 12) & 0x03; 795 switch (x) { 796 case 0: x = 1; break; // 44.1 797 case 2: x = 0; break; // 48.0 798 default: x = 0; break; // illegal. 799 } 800 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 801 } else if (ac97->flags & AC97_CX_SPDIF) { 802 int v; 803 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 804 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 805 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 806 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 807 v); 808 } else if (ac97->id == AC97_ID_YMF743) { 809 change |= snd_ac97_update_bits_nolock(ac97, 810 AC97_YMF7X3_DIT_CTRL, 811 0xff38, 812 ((val << 4) & 0xff00) | 813 ((val << 2) & 0x0038)); 814 } else { 815 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 816 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 817 818 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 819 if (extst & AC97_EA_SPDIF) { 820 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 821 } 822 } 823 mutex_unlock(&ac97->reg_mutex); 824 825 return change; 826 } 827 828 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 829 { 830 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 831 int reg = kcontrol->private_value & 0xff; 832 int shift = (kcontrol->private_value >> 8) & 0xff; 833 int mask = (kcontrol->private_value >> 16) & 0xff; 834 // int invert = (kcontrol->private_value >> 24) & 0xff; 835 unsigned short value, old, new; 836 int change; 837 838 value = (ucontrol->value.integer.value[0] & mask); 839 840 mutex_lock(&ac97->reg_mutex); 841 mask <<= shift; 842 value <<= shift; 843 old = snd_ac97_read_cache(ac97, reg); 844 new = (old & ~mask) | value; 845 change = old != new; 846 847 if (change) { 848 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 849 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 850 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 851 if (extst & AC97_EA_SPDIF) 852 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 853 } 854 mutex_unlock(&ac97->reg_mutex); 855 return change; 856 } 857 858 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 859 { 860 .access = SNDRV_CTL_ELEM_ACCESS_READ, 861 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 862 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 863 .info = snd_ac97_spdif_mask_info, 864 .get = snd_ac97_spdif_cmask_get, 865 }, 866 { 867 .access = SNDRV_CTL_ELEM_ACCESS_READ, 868 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 869 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 870 .info = snd_ac97_spdif_mask_info, 871 .get = snd_ac97_spdif_pmask_get, 872 }, 873 { 874 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 875 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 876 .info = snd_ac97_spdif_mask_info, 877 .get = snd_ac97_spdif_default_get, 878 .put = snd_ac97_spdif_default_put, 879 }, 880 881 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 882 { 883 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 884 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 885 .info = snd_ac97_info_volsw, 886 .get = snd_ac97_get_volsw, 887 .put = snd_ac97_put_spsa, 888 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 889 }, 890 }; 891 892 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 893 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 894 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 895 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 896 897 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 898 { 899 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 900 int mask = (kcontrol->private_value >> 16) & 0x0f; 901 int lshift = (kcontrol->private_value >> 8) & 0x0f; 902 int rshift = (kcontrol->private_value >> 12) & 0x0f; 903 904 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 905 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 906 uinfo->count = 2; 907 else 908 uinfo->count = 1; 909 uinfo->value.integer.min = 0; 910 uinfo->value.integer.max = mask; 911 return 0; 912 } 913 914 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 915 { 916 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 917 int codec = kcontrol->private_value & 3; 918 int lshift = (kcontrol->private_value >> 8) & 0x0f; 919 int rshift = (kcontrol->private_value >> 12) & 0x0f; 920 int mask = (kcontrol->private_value >> 16) & 0xff; 921 922 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 923 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 924 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 925 return 0; 926 } 927 928 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 929 { 930 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 931 int codec = kcontrol->private_value & 3; 932 int lshift = (kcontrol->private_value >> 8) & 0x0f; 933 int rshift = (kcontrol->private_value >> 12) & 0x0f; 934 int mask = (kcontrol->private_value >> 16) & 0xff; 935 unsigned short val, valmask; 936 937 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 938 valmask = mask << lshift; 939 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 940 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 941 valmask |= mask << rshift; 942 } 943 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 944 } 945 946 #define AD18XX_PCM_VOLUME(xname, codec) \ 947 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 948 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 949 .private_value = codec } 950 951 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 952 { 953 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 954 uinfo->count = 2; 955 uinfo->value.integer.min = 0; 956 uinfo->value.integer.max = 31; 957 return 0; 958 } 959 960 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 961 { 962 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 963 int codec = kcontrol->private_value & 3; 964 965 mutex_lock(&ac97->page_mutex); 966 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 967 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 968 mutex_unlock(&ac97->page_mutex); 969 return 0; 970 } 971 972 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 973 { 974 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 975 int codec = kcontrol->private_value & 3; 976 unsigned short val1, val2; 977 978 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 979 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 980 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 981 } 982 983 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 984 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 985 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 986 }; 987 988 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 989 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 990 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 991 }; 992 993 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 994 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 995 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 996 }; 997 998 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 999 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 1000 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 1001 }; 1002 1003 /* 1004 * 1005 */ 1006 1007 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 1008 1009 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 1010 { 1011 if (bus) { 1012 snd_ac97_bus_proc_done(bus); 1013 kfree(bus->pcms); 1014 if (bus->private_free) 1015 bus->private_free(bus); 1016 kfree(bus); 1017 } 1018 return 0; 1019 } 1020 1021 static int snd_ac97_bus_dev_free(struct snd_device *device) 1022 { 1023 struct snd_ac97_bus *bus = device->device_data; 1024 return snd_ac97_bus_free(bus); 1025 } 1026 1027 static int snd_ac97_free(struct snd_ac97 *ac97) 1028 { 1029 if (ac97) { 1030 #ifdef CONFIG_SND_AC97_POWER_SAVE 1031 cancel_delayed_work_sync(&ac97->power_work); 1032 #endif 1033 snd_ac97_proc_done(ac97); 1034 if (ac97->bus) 1035 ac97->bus->codec[ac97->num] = NULL; 1036 if (ac97->private_free) 1037 ac97->private_free(ac97); 1038 kfree(ac97); 1039 } 1040 return 0; 1041 } 1042 1043 static int snd_ac97_dev_free(struct snd_device *device) 1044 { 1045 struct snd_ac97 *ac97 = device->device_data; 1046 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1047 return snd_ac97_free(ac97); 1048 } 1049 1050 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1051 { 1052 unsigned short val, mask = AC97_MUTE_MASK_MONO; 1053 1054 if (! snd_ac97_valid_reg(ac97, reg)) 1055 return 0; 1056 1057 switch (reg) { 1058 case AC97_MASTER_TONE: 1059 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0; 1060 case AC97_HEADPHONE: 1061 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0; 1062 case AC97_REC_GAIN_MIC: 1063 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0; 1064 case AC97_3D_CONTROL: 1065 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) { 1066 val = snd_ac97_read(ac97, reg); 1067 /* if nonzero - fixed and we can't set it */ 1068 return val == 0; 1069 } 1070 return 0; 1071 case AC97_CENTER_LFE_MASTER: /* center */ 1072 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1073 return 0; 1074 break; 1075 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1076 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1077 return 0; 1078 reg = AC97_CENTER_LFE_MASTER; 1079 mask = 0x0080; 1080 break; 1081 case AC97_SURROUND_MASTER: 1082 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1083 return 0; 1084 break; 1085 } 1086 1087 val = snd_ac97_read(ac97, reg); 1088 if (!(val & mask)) { 1089 /* nothing seems to be here - mute flag is not set */ 1090 /* try another test */ 1091 snd_ac97_write_cache(ac97, reg, val | mask); 1092 val = snd_ac97_read(ac97, reg); 1093 val = snd_ac97_read(ac97, reg); 1094 if (!(val & mask)) 1095 return 0; /* nothing here */ 1096 } 1097 return 1; /* success, useable */ 1098 } 1099 1100 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1101 { 1102 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1103 unsigned char max[3] = { 63, 31, 15 }; 1104 int i; 1105 1106 /* first look up the static resolution table */ 1107 if (ac97->res_table) { 1108 const struct snd_ac97_res_table *tbl; 1109 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1110 if (tbl->reg == reg) { 1111 *lo_max = tbl->bits & 0xff; 1112 *hi_max = (tbl->bits >> 8) & 0xff; 1113 return; 1114 } 1115 } 1116 } 1117 1118 *lo_max = *hi_max = 0; 1119 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1120 unsigned short val; 1121 snd_ac97_write( 1122 ac97, reg, 1123 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8) 1124 ); 1125 /* Do the read twice due to buffers on some ac97 codecs. 1126 * e.g. The STAC9704 returns exactly what you wrote to the register 1127 * if you read it immediately. This causes the detect routine to fail. 1128 */ 1129 val = snd_ac97_read(ac97, reg); 1130 val = snd_ac97_read(ac97, reg); 1131 if (! *lo_max && (val & 0x7f) == cbit[i]) 1132 *lo_max = max[i]; 1133 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1134 *hi_max = max[i]; 1135 if (*lo_max && *hi_max) 1136 break; 1137 } 1138 } 1139 1140 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1141 { 1142 unsigned short mask, val, orig, res; 1143 1144 mask = 1 << bit; 1145 orig = snd_ac97_read(ac97, reg); 1146 val = orig ^ mask; 1147 snd_ac97_write(ac97, reg, val); 1148 res = snd_ac97_read(ac97, reg); 1149 snd_ac97_write_cache(ac97, reg, orig); 1150 return res == val; 1151 } 1152 1153 /* check the volume resolution of center/lfe */ 1154 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1155 { 1156 unsigned short val, val1; 1157 1158 *max = 63; 1159 val = AC97_MUTE_MASK_STEREO | (0x20 << shift); 1160 snd_ac97_write(ac97, reg, val); 1161 val1 = snd_ac97_read(ac97, reg); 1162 if (val != val1) { 1163 *max = 31; 1164 } 1165 /* reset volume to zero */ 1166 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO); 1167 } 1168 1169 static inline int printable(unsigned int x) 1170 { 1171 x &= 0xff; 1172 if (x < ' ' || x >= 0x71) { 1173 if (x <= 0x89) 1174 return x - 0x71 + 'A'; 1175 return '?'; 1176 } 1177 return x; 1178 } 1179 1180 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, 1181 struct snd_ac97 * ac97) 1182 { 1183 struct snd_kcontrol_new template; 1184 memcpy(&template, _template, sizeof(template)); 1185 template.index = ac97->num; 1186 return snd_ctl_new1(&template, ac97); 1187 } 1188 1189 /* 1190 * create mute switch(es) for normal stereo controls 1191 */ 1192 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1193 int check_stereo, int check_amix, 1194 struct snd_ac97 *ac97) 1195 { 1196 struct snd_kcontrol *kctl; 1197 int err; 1198 unsigned short val, val1, mute_mask; 1199 1200 if (! snd_ac97_valid_reg(ac97, reg)) 1201 return 0; 1202 1203 mute_mask = AC97_MUTE_MASK_MONO; 1204 val = snd_ac97_read(ac97, reg); 1205 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1206 /* check whether both mute bits work */ 1207 val1 = val | AC97_MUTE_MASK_STEREO; 1208 snd_ac97_write(ac97, reg, val1); 1209 if (val1 == snd_ac97_read(ac97, reg)) 1210 mute_mask = AC97_MUTE_MASK_STEREO; 1211 } 1212 if (mute_mask == AC97_MUTE_MASK_STEREO) { 1213 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1214 if (check_amix) 1215 tmp.private_value |= (1 << 30); 1216 tmp.index = ac97->num; 1217 kctl = snd_ctl_new1(&tmp, ac97); 1218 } else { 1219 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1220 if (check_amix) 1221 tmp.private_value |= (1 << 30); 1222 tmp.index = ac97->num; 1223 kctl = snd_ctl_new1(&tmp, ac97); 1224 } 1225 err = snd_ctl_add(card, kctl); 1226 if (err < 0) 1227 return err; 1228 /* mute as default */ 1229 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1230 return 0; 1231 } 1232 1233 /* 1234 * set dB information 1235 */ 1236 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1237 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1238 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1239 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1240 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1241 1242 static const unsigned int *find_db_scale(unsigned int maxval) 1243 { 1244 switch (maxval) { 1245 case 0x0f: return db_scale_4bit; 1246 case 0x1f: return db_scale_5bit; 1247 case 0x3f: return db_scale_6bit; 1248 } 1249 return NULL; 1250 } 1251 1252 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1253 { 1254 kctl->tlv.p = tlv; 1255 if (tlv) 1256 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1257 } 1258 1259 /* 1260 * create a volume for normal stereo/mono controls 1261 */ 1262 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1263 unsigned int hi_max, struct snd_ac97 *ac97) 1264 { 1265 int err; 1266 struct snd_kcontrol *kctl; 1267 1268 if (! snd_ac97_valid_reg(ac97, reg)) 1269 return 0; 1270 if (hi_max) { 1271 /* invert */ 1272 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1273 tmp.index = ac97->num; 1274 kctl = snd_ctl_new1(&tmp, ac97); 1275 } else { 1276 /* invert */ 1277 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1278 tmp.index = ac97->num; 1279 kctl = snd_ctl_new1(&tmp, ac97); 1280 } 1281 if (!kctl) 1282 return -ENOMEM; 1283 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1284 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1285 else 1286 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1287 err = snd_ctl_add(card, kctl); 1288 if (err < 0) 1289 return err; 1290 snd_ac97_write_cache( 1291 ac97, reg, 1292 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO) 1293 | lo_max | (hi_max << 8) 1294 ); 1295 return 0; 1296 } 1297 1298 /* 1299 * create a mute-switch and a volume for normal stereo/mono controls 1300 */ 1301 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1302 int reg, int check_stereo, int check_amix, 1303 struct snd_ac97 *ac97) 1304 { 1305 int err; 1306 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 1307 unsigned char lo_max, hi_max; 1308 1309 if (! snd_ac97_valid_reg(ac97, reg)) 1310 return 0; 1311 1312 if (snd_ac97_try_bit(ac97, reg, 15)) { 1313 sprintf(name, "%s Switch", pfx); 1314 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, 1315 check_stereo, check_amix, 1316 ac97)) < 0) 1317 return err; 1318 } 1319 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1320 if (lo_max) { 1321 sprintf(name, "%s Volume", pfx); 1322 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1323 return err; 1324 } 1325 return 0; 1326 } 1327 1328 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1329 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1330 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1331 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1332 1333 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1334 1335 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1336 { 1337 struct snd_card *card = ac97->bus->card; 1338 struct snd_kcontrol *kctl; 1339 int err; 1340 unsigned int idx; 1341 unsigned char max; 1342 1343 /* build master controls */ 1344 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1345 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1346 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1347 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1348 AC97_MASTER, 0, ac97); 1349 else 1350 err = snd_ac97_cmix_new(card, "Master Playback", 1351 AC97_MASTER, 0, ac97); 1352 if (err < 0) 1353 return err; 1354 } 1355 1356 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO; 1357 1358 /* build center controls */ 1359 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1360 && !(ac97->flags & AC97_AD_MULTI)) { 1361 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1362 return err; 1363 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1364 return err; 1365 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1366 kctl->private_value &= ~(0xff << 16); 1367 kctl->private_value |= (int)max << 16; 1368 set_tlv_db_scale(kctl, find_db_scale(max)); 1369 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1370 } 1371 1372 /* build LFE controls */ 1373 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1374 && !(ac97->flags & AC97_AD_MULTI)) { 1375 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1376 return err; 1377 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1378 return err; 1379 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1380 kctl->private_value &= ~(0xff << 16); 1381 kctl->private_value |= (int)max << 16; 1382 set_tlv_db_scale(kctl, find_db_scale(max)); 1383 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1384 } 1385 1386 /* build surround controls */ 1387 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1388 && !(ac97->flags & AC97_AD_MULTI)) { 1389 /* Surround Master (0x38) is with stereo mutes */ 1390 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1391 AC97_SURROUND_MASTER, 1, 0, 1392 ac97)) < 0) 1393 return err; 1394 } 1395 1396 /* build headphone controls */ 1397 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1398 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", 1399 AC97_HEADPHONE, 0, ac97)) < 0) 1400 return err; 1401 } 1402 1403 /* build master mono controls */ 1404 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1405 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", 1406 AC97_MASTER_MONO, 0, ac97)) < 0) 1407 return err; 1408 } 1409 1410 /* build master tone controls */ 1411 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1412 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1413 for (idx = 0; idx < 2; idx++) { 1414 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1415 return err; 1416 if (ac97->id == AC97_ID_YMF743 || 1417 ac97->id == AC97_ID_YMF753) { 1418 kctl->private_value &= ~(0xff << 16); 1419 kctl->private_value |= 7 << 16; 1420 } 1421 } 1422 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1423 } 1424 } 1425 1426 /* build Beep controls */ 1427 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1428 ((ac97->flags & AC97_HAS_PC_BEEP) || 1429 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1430 for (idx = 0; idx < 2; idx++) 1431 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1432 return err; 1433 set_tlv_db_scale(kctl, db_scale_4bit); 1434 snd_ac97_write_cache( 1435 ac97, 1436 AC97_PC_BEEP, 1437 (snd_ac97_read(ac97, AC97_PC_BEEP) 1438 | AC97_MUTE_MASK_MONO | 0x001e) 1439 ); 1440 } 1441 1442 /* build Phone controls */ 1443 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1444 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1445 if ((err = snd_ac97_cmix_new(card, "Phone Playback", 1446 AC97_PHONE, 1, ac97)) < 0) 1447 return err; 1448 } 1449 } 1450 1451 /* build MIC controls */ 1452 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1453 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1454 if ((err = snd_ac97_cmix_new(card, "Mic Playback", 1455 AC97_MIC, 1, ac97)) < 0) 1456 return err; 1457 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1458 return err; 1459 } 1460 } 1461 1462 /* build Line controls */ 1463 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1464 if ((err = snd_ac97_cmix_new(card, "Line Playback", 1465 AC97_LINE, 1, ac97)) < 0) 1466 return err; 1467 } 1468 1469 /* build CD controls */ 1470 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1471 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1472 if ((err = snd_ac97_cmix_new(card, "CD Playback", 1473 AC97_CD, 1, ac97)) < 0) 1474 return err; 1475 } 1476 } 1477 1478 /* build Video controls */ 1479 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1480 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1481 if ((err = snd_ac97_cmix_new(card, "Video Playback", 1482 AC97_VIDEO, 1, ac97)) < 0) 1483 return err; 1484 } 1485 } 1486 1487 /* build Aux controls */ 1488 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1489 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1490 if ((err = snd_ac97_cmix_new(card, "Aux Playback", 1491 AC97_AUX, 1, ac97)) < 0) 1492 return err; 1493 } 1494 } 1495 1496 /* build PCM controls */ 1497 if (ac97->flags & AC97_AD_MULTI) { 1498 unsigned short init_val; 1499 if (ac97->flags & AC97_STEREO_MUTES) 1500 init_val = 0x9f9f; 1501 else 1502 init_val = 0x9f1f; 1503 for (idx = 0; idx < 2; idx++) 1504 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1505 return err; 1506 set_tlv_db_scale(kctl, db_scale_5bit); 1507 ac97->spec.ad18xx.pcmreg[0] = init_val; 1508 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1509 for (idx = 0; idx < 2; idx++) 1510 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1511 return err; 1512 set_tlv_db_scale(kctl, db_scale_5bit); 1513 ac97->spec.ad18xx.pcmreg[1] = init_val; 1514 } 1515 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1516 for (idx = 0; idx < 2; idx++) 1517 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1518 return err; 1519 set_tlv_db_scale(kctl, db_scale_5bit); 1520 for (idx = 0; idx < 2; idx++) 1521 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1522 return err; 1523 set_tlv_db_scale(kctl, db_scale_5bit); 1524 ac97->spec.ad18xx.pcmreg[2] = init_val; 1525 } 1526 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1527 } else { 1528 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1529 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1530 err = snd_ac97_cmute_new(card, 1531 "PCM Playback Switch", 1532 AC97_PCM, 0, ac97); 1533 else 1534 err = snd_ac97_cmix_new(card, "PCM Playback", 1535 AC97_PCM, 0, ac97); 1536 if (err < 0) 1537 return err; 1538 } 1539 } 1540 1541 /* build Capture controls */ 1542 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1543 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1544 return err; 1545 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1546 err = snd_ac97_cmute_new(card, "Capture Switch", 1547 AC97_REC_GAIN, 0, ac97); 1548 if (err < 0) 1549 return err; 1550 } 1551 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1552 return err; 1553 set_tlv_db_scale(kctl, db_scale_rec_gain); 1554 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1555 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1556 } 1557 /* build MIC Capture controls */ 1558 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1559 for (idx = 0; idx < 2; idx++) 1560 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1561 return err; 1562 set_tlv_db_scale(kctl, db_scale_rec_gain); 1563 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1564 } 1565 1566 /* build PCM out path & mute control */ 1567 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1568 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1569 return err; 1570 } 1571 1572 /* build Simulated Stereo Enhancement control */ 1573 if (ac97->caps & AC97_BC_SIM_STEREO) { 1574 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1575 return err; 1576 } 1577 1578 /* build 3D Stereo Enhancement control */ 1579 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1580 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1581 return err; 1582 } 1583 1584 /* build Loudness control */ 1585 if (ac97->caps & AC97_BC_LOUDNESS) { 1586 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1587 return err; 1588 } 1589 1590 /* build Mono output select control */ 1591 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1592 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1593 return err; 1594 } 1595 1596 /* build Mic select control */ 1597 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1598 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1599 return err; 1600 } 1601 1602 /* build ADC/DAC loopback control */ 1603 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1604 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1605 return err; 1606 } 1607 1608 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1609 1610 /* build 3D controls */ 1611 if (ac97->build_ops->build_3d) { 1612 ac97->build_ops->build_3d(ac97); 1613 } else { 1614 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1615 unsigned short val; 1616 val = 0x0707; 1617 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1618 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1619 val = val == 0x0606; 1620 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1621 return err; 1622 if (val) 1623 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1624 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1625 return err; 1626 if (val) 1627 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1628 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1629 } 1630 } 1631 1632 /* build S/PDIF controls */ 1633 1634 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1635 if (ac97->subsystem_vendor == 0x1043 && 1636 ac97->subsystem_device == 0x810f) 1637 ac97->ext_id |= AC97_EI_SPDIF; 1638 1639 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1640 if (ac97->build_ops->build_spdif) { 1641 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1642 return err; 1643 } else { 1644 for (idx = 0; idx < 5; idx++) 1645 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1646 return err; 1647 if (ac97->build_ops->build_post_spdif) { 1648 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1649 return err; 1650 } 1651 /* set default PCM S/PDIF params */ 1652 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1653 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1654 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1655 } 1656 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1657 } 1658 1659 /* build chip specific controls */ 1660 if (ac97->build_ops->build_specific) 1661 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1662 return err; 1663 1664 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1665 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1666 if (! kctl) 1667 return -ENOMEM; 1668 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1669 set_inv_eapd(ac97, kctl); 1670 if ((err = snd_ctl_add(card, kctl)) < 0) 1671 return err; 1672 } 1673 1674 return 0; 1675 } 1676 1677 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1678 { 1679 int err, idx; 1680 1681 /* 1682 ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n", 1683 snd_ac97_read(ac97,AC97_GPIO_CFG)); 1684 */ 1685 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1686 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1687 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1688 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1689 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1690 1691 /* build modem switches */ 1692 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1693 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1694 return err; 1695 1696 /* build chip specific controls */ 1697 if (ac97->build_ops->build_specific) 1698 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1699 return err; 1700 1701 return 0; 1702 } 1703 1704 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1705 { 1706 unsigned short val; 1707 unsigned int tmp; 1708 1709 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1710 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1711 if (shadow_reg) 1712 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1713 val = snd_ac97_read(ac97, reg); 1714 return val == (tmp & 0xffff); 1715 } 1716 1717 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1718 { 1719 unsigned int result = 0; 1720 unsigned short saved; 1721 1722 if (ac97->bus->no_vra) { 1723 *r_result = SNDRV_PCM_RATE_48000; 1724 if ((ac97->flags & AC97_DOUBLE_RATE) && 1725 reg == AC97_PCM_FRONT_DAC_RATE) 1726 *r_result |= SNDRV_PCM_RATE_96000; 1727 return; 1728 } 1729 1730 saved = snd_ac97_read(ac97, reg); 1731 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1732 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1733 AC97_EA_DRA, 0); 1734 /* test a non-standard rate */ 1735 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1736 result |= SNDRV_PCM_RATE_CONTINUOUS; 1737 /* let's try to obtain standard rates */ 1738 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1739 result |= SNDRV_PCM_RATE_8000; 1740 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1741 result |= SNDRV_PCM_RATE_11025; 1742 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1743 result |= SNDRV_PCM_RATE_16000; 1744 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1745 result |= SNDRV_PCM_RATE_22050; 1746 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1747 result |= SNDRV_PCM_RATE_32000; 1748 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1749 result |= SNDRV_PCM_RATE_44100; 1750 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1751 result |= SNDRV_PCM_RATE_48000; 1752 if ((ac97->flags & AC97_DOUBLE_RATE) && 1753 reg == AC97_PCM_FRONT_DAC_RATE) { 1754 /* test standard double rates */ 1755 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1756 AC97_EA_DRA, AC97_EA_DRA); 1757 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1758 result |= SNDRV_PCM_RATE_64000; 1759 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1760 result |= SNDRV_PCM_RATE_88200; 1761 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1762 result |= SNDRV_PCM_RATE_96000; 1763 /* some codecs don't support variable double rates */ 1764 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1765 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1766 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1767 AC97_EA_DRA, 0); 1768 } 1769 /* restore the default value */ 1770 snd_ac97_write_cache(ac97, reg, saved); 1771 if (shadow_reg) 1772 snd_ac97_write_cache(ac97, shadow_reg, saved); 1773 *r_result = result; 1774 } 1775 1776 /* check AC97_SPDIF register to accept which sample rates */ 1777 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1778 { 1779 unsigned int result = 0; 1780 int i; 1781 static unsigned short ctl_bits[] = { 1782 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1783 }; 1784 static unsigned int rate_bits[] = { 1785 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1786 }; 1787 1788 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1789 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1790 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1791 result |= rate_bits[i]; 1792 } 1793 return result; 1794 } 1795 1796 /* look for the codec id table matching with the given id */ 1797 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1798 unsigned int id) 1799 { 1800 const struct ac97_codec_id *pid; 1801 1802 for (pid = table; pid->id; pid++) 1803 if (pid->id == (id & pid->mask)) 1804 return pid; 1805 return NULL; 1806 } 1807 1808 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1809 { 1810 const struct ac97_codec_id *pid; 1811 1812 sprintf(name, "0x%x %c%c%c", id, 1813 printable(id >> 24), 1814 printable(id >> 16), 1815 printable(id >> 8)); 1816 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1817 if (! pid) 1818 return; 1819 1820 strcpy(name, pid->name); 1821 if (ac97 && pid->patch) { 1822 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1823 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1824 pid->patch(ac97); 1825 } 1826 1827 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1828 if (pid) { 1829 strcat(name, " "); 1830 strcat(name, pid->name); 1831 if (pid->mask != 0xffffffff) 1832 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1833 if (ac97 && pid->patch) { 1834 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1835 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1836 pid->patch(ac97); 1837 } 1838 } else 1839 sprintf(name + strlen(name), " id %x", id & 0xff); 1840 } 1841 1842 /** 1843 * snd_ac97_get_short_name - retrieve codec name 1844 * @ac97: the codec instance 1845 * 1846 * Return: The short identifying name of the codec. 1847 */ 1848 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1849 { 1850 const struct ac97_codec_id *pid; 1851 1852 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1853 if (pid->id == (ac97->id & pid->mask)) 1854 return pid->name; 1855 return "unknown codec"; 1856 } 1857 1858 EXPORT_SYMBOL(snd_ac97_get_short_name); 1859 1860 /* wait for a while until registers are accessible after RESET 1861 * return 0 if ok, negative not ready 1862 */ 1863 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1864 { 1865 unsigned long end_time; 1866 unsigned short val; 1867 1868 end_time = jiffies + timeout; 1869 do { 1870 1871 /* use preliminary reads to settle the communication */ 1872 snd_ac97_read(ac97, AC97_RESET); 1873 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1874 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1875 /* modem? */ 1876 if (with_modem) { 1877 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1878 if (val != 0xffff && (val & 1) != 0) 1879 return 0; 1880 } 1881 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1882 /* probably only Xbox issue - all registers are read as zero */ 1883 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1884 if (val != 0 && val != 0xffff) 1885 return 0; 1886 } else { 1887 /* because the PCM or MASTER volume registers can be modified, 1888 * the REC_GAIN register is used for tests 1889 */ 1890 /* test if we can write to the record gain volume register */ 1891 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1892 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1893 return 0; 1894 } 1895 schedule_timeout_uninterruptible(1); 1896 } while (time_after_eq(end_time, jiffies)); 1897 return -ENODEV; 1898 } 1899 1900 /** 1901 * snd_ac97_bus - create an AC97 bus component 1902 * @card: the card instance 1903 * @num: the bus number 1904 * @ops: the bus callbacks table 1905 * @private_data: private data pointer for the new instance 1906 * @rbus: the pointer to store the new AC97 bus instance. 1907 * 1908 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1909 * allocated and initialized. 1910 * 1911 * The ops table must include valid callbacks (at least read and 1912 * write). The other callbacks, wait and reset, are not mandatory. 1913 * 1914 * The clock is set to 48000. If another clock is needed, set 1915 * (*rbus)->clock manually. 1916 * 1917 * The AC97 bus instance is registered as a low-level device, so you don't 1918 * have to release it manually. 1919 * 1920 * Return: Zero if successful, or a negative error code on failure. 1921 */ 1922 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1923 void *private_data, struct snd_ac97_bus **rbus) 1924 { 1925 int err; 1926 struct snd_ac97_bus *bus; 1927 static struct snd_device_ops dev_ops = { 1928 .dev_free = snd_ac97_bus_dev_free, 1929 }; 1930 1931 if (snd_BUG_ON(!card)) 1932 return -EINVAL; 1933 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1934 if (bus == NULL) 1935 return -ENOMEM; 1936 bus->card = card; 1937 bus->num = num; 1938 bus->ops = ops; 1939 bus->private_data = private_data; 1940 bus->clock = 48000; 1941 spin_lock_init(&bus->bus_lock); 1942 snd_ac97_bus_proc_init(bus); 1943 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1944 snd_ac97_bus_free(bus); 1945 return err; 1946 } 1947 if (rbus) 1948 *rbus = bus; 1949 return 0; 1950 } 1951 1952 EXPORT_SYMBOL(snd_ac97_bus); 1953 1954 /* stop no dev release warning */ 1955 static void ac97_device_release(struct device * dev) 1956 { 1957 } 1958 1959 /* register ac97 codec to bus */ 1960 static int snd_ac97_dev_register(struct snd_device *device) 1961 { 1962 struct snd_ac97 *ac97 = device->device_data; 1963 int err; 1964 1965 ac97->dev.bus = &ac97_bus_type; 1966 ac97->dev.parent = ac97->bus->card->dev; 1967 ac97->dev.release = ac97_device_release; 1968 dev_set_name(&ac97->dev, "%d-%d:%s", 1969 ac97->bus->card->number, ac97->num, 1970 snd_ac97_get_short_name(ac97)); 1971 if ((err = device_register(&ac97->dev)) < 0) { 1972 ac97_err(ac97, "Can't register ac97 bus\n"); 1973 ac97->dev.bus = NULL; 1974 return err; 1975 } 1976 return 0; 1977 } 1978 1979 /* disconnect ac97 codec */ 1980 static int snd_ac97_dev_disconnect(struct snd_device *device) 1981 { 1982 struct snd_ac97 *ac97 = device->device_data; 1983 if (ac97->dev.bus) 1984 device_unregister(&ac97->dev); 1985 return 0; 1986 } 1987 1988 /* build_ops to do nothing */ 1989 static const struct snd_ac97_build_ops null_build_ops; 1990 1991 #ifdef CONFIG_SND_AC97_POWER_SAVE 1992 static void do_update_power(struct work_struct *work) 1993 { 1994 update_power_regs( 1995 container_of(work, struct snd_ac97, power_work.work)); 1996 } 1997 #endif 1998 1999 /** 2000 * snd_ac97_mixer - create an Codec97 component 2001 * @bus: the AC97 bus which codec is attached to 2002 * @template: the template of ac97, including index, callbacks and 2003 * the private data. 2004 * @rac97: the pointer to store the new ac97 instance. 2005 * 2006 * Creates an Codec97 component. An struct snd_ac97 instance is newly 2007 * allocated and initialized from the template. The codec 2008 * is then initialized by the standard procedure. 2009 * 2010 * The template must include the codec number (num) and address (addr), 2011 * and the private data (private_data). 2012 * 2013 * The ac97 instance is registered as a low-level device, so you don't 2014 * have to release it manually. 2015 * 2016 * Return: Zero if successful, or a negative error code on failure. 2017 */ 2018 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 2019 { 2020 int err; 2021 struct snd_ac97 *ac97; 2022 struct snd_card *card; 2023 char name[64]; 2024 unsigned long end_time; 2025 unsigned int reg; 2026 const struct ac97_codec_id *pid; 2027 static struct snd_device_ops ops = { 2028 .dev_free = snd_ac97_dev_free, 2029 .dev_register = snd_ac97_dev_register, 2030 .dev_disconnect = snd_ac97_dev_disconnect, 2031 }; 2032 2033 if (rac97) 2034 *rac97 = NULL; 2035 if (snd_BUG_ON(!bus || !template)) 2036 return -EINVAL; 2037 if (snd_BUG_ON(template->num >= 4)) 2038 return -EINVAL; 2039 if (bus->codec[template->num]) 2040 return -EBUSY; 2041 2042 card = bus->card; 2043 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 2044 if (ac97 == NULL) 2045 return -ENOMEM; 2046 ac97->private_data = template->private_data; 2047 ac97->private_free = template->private_free; 2048 ac97->bus = bus; 2049 ac97->pci = template->pci; 2050 ac97->num = template->num; 2051 ac97->addr = template->addr; 2052 ac97->scaps = template->scaps; 2053 ac97->res_table = template->res_table; 2054 bus->codec[ac97->num] = ac97; 2055 mutex_init(&ac97->reg_mutex); 2056 mutex_init(&ac97->page_mutex); 2057 #ifdef CONFIG_SND_AC97_POWER_SAVE 2058 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2059 #endif 2060 2061 #ifdef CONFIG_PCI 2062 if (ac97->pci) { 2063 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2064 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2065 } 2066 #endif 2067 if (bus->ops->reset) { 2068 bus->ops->reset(ac97); 2069 goto __access_ok; 2070 } 2071 2072 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2073 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2074 if (ac97->id && ac97->id != (unsigned int)-1) { 2075 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2076 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2077 goto __access_ok; 2078 } 2079 2080 /* reset to defaults */ 2081 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2082 snd_ac97_write(ac97, AC97_RESET, 0); 2083 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2084 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2085 if (bus->ops->wait) 2086 bus->ops->wait(ac97); 2087 else { 2088 udelay(50); 2089 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2090 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2091 else { 2092 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2093 if (err < 0) 2094 err = ac97_reset_wait(ac97, 2095 msecs_to_jiffies(500), 1); 2096 } 2097 if (err < 0) { 2098 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n", 2099 ac97->num); 2100 /* proceed anyway - it's often non-critical */ 2101 } 2102 } 2103 __access_ok: 2104 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2105 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2106 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2107 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2108 ac97_err(ac97, 2109 "AC'97 %d access is not valid [0x%x], removing mixer.\n", 2110 ac97->num, ac97->id); 2111 snd_ac97_free(ac97); 2112 return -EIO; 2113 } 2114 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2115 if (pid) 2116 ac97->flags |= pid->flags; 2117 2118 /* test for AC'97 */ 2119 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2120 /* test if we can write to the record gain volume register */ 2121 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2122 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 2123 ac97->scaps |= AC97_SCAP_AUDIO; 2124 } 2125 if (ac97->scaps & AC97_SCAP_AUDIO) { 2126 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2127 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2128 if (ac97->ext_id == 0xffff) /* invalid combination */ 2129 ac97->ext_id = 0; 2130 } 2131 2132 /* test for MC'97 */ 2133 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2134 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2135 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2136 ac97->ext_mid = 0; 2137 if (ac97->ext_mid & 1) 2138 ac97->scaps |= AC97_SCAP_MODEM; 2139 } 2140 2141 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2142 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2143 ac97_err(ac97, 2144 "AC'97 %d access error (not audio or modem codec)\n", 2145 ac97->num); 2146 snd_ac97_free(ac97); 2147 return -EACCES; 2148 } 2149 2150 if (bus->ops->reset) // FIXME: always skipping? 2151 goto __ready_ok; 2152 2153 /* FIXME: add powerdown control */ 2154 if (ac97_is_audio(ac97)) { 2155 /* nothing should be in powerdown mode */ 2156 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2157 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2158 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2159 udelay(100); 2160 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2161 } 2162 /* nothing should be in powerdown mode */ 2163 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2164 end_time = jiffies + msecs_to_jiffies(5000); 2165 do { 2166 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2167 goto __ready_ok; 2168 schedule_timeout_uninterruptible(1); 2169 } while (time_after_eq(end_time, jiffies)); 2170 ac97_warn(ac97, 2171 "AC'97 %d analog subsections not ready\n", ac97->num); 2172 } 2173 2174 /* FIXME: add powerdown control */ 2175 if (ac97_is_modem(ac97)) { 2176 unsigned char tmp; 2177 2178 /* nothing should be in powerdown mode */ 2179 /* note: it's important to set the rate at first */ 2180 tmp = AC97_MEA_GPIO; 2181 if (ac97->ext_mid & AC97_MEI_LINE1) { 2182 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2183 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2184 } 2185 if (ac97->ext_mid & AC97_MEI_LINE2) { 2186 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2187 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2188 } 2189 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2190 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2191 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2192 } 2193 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2194 udelay(100); 2195 /* nothing should be in powerdown mode */ 2196 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2197 end_time = jiffies + msecs_to_jiffies(100); 2198 do { 2199 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2200 goto __ready_ok; 2201 schedule_timeout_uninterruptible(1); 2202 } while (time_after_eq(end_time, jiffies)); 2203 ac97_warn(ac97, 2204 "MC'97 %d converters and GPIO not ready (0x%x)\n", 2205 ac97->num, 2206 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2207 } 2208 2209 __ready_ok: 2210 if (ac97_is_audio(ac97)) 2211 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2212 else 2213 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2214 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2215 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2216 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2217 if (! bus->no_vra) 2218 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2219 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2220 } 2221 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2222 /* Intel controllers require double rate data to be put in 2223 * slots 7+8, so let's hope the codec supports it. */ 2224 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2225 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2226 ac97->flags |= AC97_DOUBLE_RATE; 2227 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2228 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2229 } 2230 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2231 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2232 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2233 } else { 2234 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2235 if (ac97->flags & AC97_DOUBLE_RATE) 2236 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2237 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2238 } 2239 if (ac97->ext_id & AC97_EI_SPDIF) { 2240 /* codec specific code (patch) should override these values */ 2241 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2242 } 2243 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2244 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2245 } else { 2246 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2247 } 2248 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2249 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2250 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2251 } 2252 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2253 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2254 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2255 } 2256 /* additional initializations */ 2257 if (bus->ops->init) 2258 bus->ops->init(ac97); 2259 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2260 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2261 if (! ac97->build_ops) 2262 ac97->build_ops = &null_build_ops; 2263 2264 if (ac97_is_audio(ac97)) { 2265 char comp[16]; 2266 if (card->mixername[0] == '\0') { 2267 strcpy(card->mixername, name); 2268 } else { 2269 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2270 strcat(card->mixername, ","); 2271 strcat(card->mixername, name); 2272 } 2273 } 2274 sprintf(comp, "AC97a:%08x", ac97->id); 2275 if ((err = snd_component_add(card, comp)) < 0) { 2276 snd_ac97_free(ac97); 2277 return err; 2278 } 2279 if (snd_ac97_mixer_build(ac97) < 0) { 2280 snd_ac97_free(ac97); 2281 return -ENOMEM; 2282 } 2283 } 2284 if (ac97_is_modem(ac97)) { 2285 char comp[16]; 2286 if (card->mixername[0] == '\0') { 2287 strcpy(card->mixername, name); 2288 } else { 2289 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2290 strcat(card->mixername, ","); 2291 strcat(card->mixername, name); 2292 } 2293 } 2294 sprintf(comp, "AC97m:%08x", ac97->id); 2295 if ((err = snd_component_add(card, comp)) < 0) { 2296 snd_ac97_free(ac97); 2297 return err; 2298 } 2299 if (snd_ac97_modem_build(card, ac97) < 0) { 2300 snd_ac97_free(ac97); 2301 return -ENOMEM; 2302 } 2303 } 2304 if (ac97_is_audio(ac97)) 2305 update_power_regs(ac97); 2306 snd_ac97_proc_init(ac97); 2307 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2308 snd_ac97_free(ac97); 2309 return err; 2310 } 2311 *rac97 = ac97; 2312 return 0; 2313 } 2314 2315 EXPORT_SYMBOL(snd_ac97_mixer); 2316 2317 /* 2318 * Power down the chip. 2319 * 2320 * MASTER and HEADPHONE registers are muted but the register cache values 2321 * are not changed, so that the values can be restored in snd_ac97_resume(). 2322 */ 2323 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2324 { 2325 unsigned short power; 2326 2327 if (ac97_is_audio(ac97)) { 2328 /* some codecs have stereo mute bits */ 2329 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2330 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2331 } 2332 2333 /* surround, CLFE, mic powerdown */ 2334 power = ac97->regs[AC97_EXTENDED_STATUS]; 2335 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2336 power |= AC97_EA_PRJ; 2337 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2338 power |= AC97_EA_PRI | AC97_EA_PRK; 2339 power |= AC97_EA_PRL; 2340 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2341 2342 /* powerdown external amplifier */ 2343 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2344 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2345 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2346 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2347 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2348 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2349 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2350 udelay(100); 2351 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ 2352 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2353 if (ac97_is_power_save_mode(ac97)) { 2354 power |= AC97_PD_PR3; /* Analog Mixer powerdown */ 2355 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2356 udelay(100); 2357 /* AC-link powerdown, internal Clk disable */ 2358 /* FIXME: this may cause click noises on some boards */ 2359 power |= AC97_PD_PR4 | AC97_PD_PR5; 2360 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2361 } 2362 } 2363 2364 2365 struct ac97_power_reg { 2366 unsigned short reg; 2367 unsigned short power_reg; 2368 unsigned short mask; 2369 }; 2370 2371 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2372 2373 static struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2374 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2375 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2376 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2377 AC97_EA_PRI | AC97_EA_PRK}, 2378 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2379 AC97_EA_PRJ}, 2380 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2381 AC97_EA_PRL}, 2382 }; 2383 2384 #ifdef CONFIG_SND_AC97_POWER_SAVE 2385 /** 2386 * snd_ac97_update_power - update the powerdown register 2387 * @ac97: the codec instance 2388 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2389 * @powerup: non-zero when power up the part 2390 * 2391 * Update the AC97 powerdown register bits of the given part. 2392 * 2393 * Return: Zero. 2394 */ 2395 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2396 { 2397 int i; 2398 2399 if (! ac97) 2400 return 0; 2401 2402 if (reg) { 2403 /* SPDIF requires DAC power, too */ 2404 if (reg == AC97_SPDIF) 2405 reg = AC97_PCM_FRONT_DAC_RATE; 2406 for (i = 0; i < PWIDX_SIZE; i++) { 2407 if (power_regs[i].reg == reg) { 2408 if (powerup) 2409 ac97->power_up |= (1 << i); 2410 else 2411 ac97->power_up &= ~(1 << i); 2412 break; 2413 } 2414 } 2415 } 2416 2417 if (ac97_is_power_save_mode(ac97) && !powerup) 2418 /* adjust power-down bits after two seconds delay 2419 * (for avoiding loud click noises for many (OSS) apps 2420 * that open/close frequently) 2421 */ 2422 schedule_delayed_work(&ac97->power_work, 2423 msecs_to_jiffies(power_save * 1000)); 2424 else { 2425 cancel_delayed_work(&ac97->power_work); 2426 update_power_regs(ac97); 2427 } 2428 2429 return 0; 2430 } 2431 2432 EXPORT_SYMBOL(snd_ac97_update_power); 2433 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2434 2435 static void update_power_regs(struct snd_ac97 *ac97) 2436 { 2437 unsigned int power_up, bits; 2438 int i; 2439 2440 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2441 power_up |= (1 << PWIDX_MIC); 2442 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2443 power_up |= (1 << PWIDX_SURR); 2444 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2445 power_up |= (1 << PWIDX_CLFE); 2446 #ifdef CONFIG_SND_AC97_POWER_SAVE 2447 if (ac97_is_power_save_mode(ac97)) 2448 power_up = ac97->power_up; 2449 #endif 2450 if (power_up) { 2451 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2452 /* needs power-up analog mix and vref */ 2453 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2454 AC97_PD_PR3, 0); 2455 msleep(1); 2456 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2457 AC97_PD_PR2, 0); 2458 } 2459 } 2460 for (i = 0; i < PWIDX_SIZE; i++) { 2461 if (power_up & (1 << i)) 2462 bits = 0; 2463 else 2464 bits = power_regs[i].mask; 2465 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2466 power_regs[i].mask, bits); 2467 } 2468 if (! power_up) { 2469 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2470 /* power down analog mix and vref */ 2471 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2472 AC97_PD_PR2, AC97_PD_PR2); 2473 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2474 AC97_PD_PR3, AC97_PD_PR3); 2475 } 2476 } 2477 } 2478 2479 2480 #ifdef CONFIG_PM 2481 /** 2482 * snd_ac97_suspend - General suspend function for AC97 codec 2483 * @ac97: the ac97 instance 2484 * 2485 * Suspends the codec, power down the chip. 2486 */ 2487 void snd_ac97_suspend(struct snd_ac97 *ac97) 2488 { 2489 if (! ac97) 2490 return; 2491 if (ac97->build_ops->suspend) 2492 ac97->build_ops->suspend(ac97); 2493 #ifdef CONFIG_SND_AC97_POWER_SAVE 2494 cancel_delayed_work_sync(&ac97->power_work); 2495 #endif 2496 snd_ac97_powerdown(ac97); 2497 } 2498 2499 EXPORT_SYMBOL(snd_ac97_suspend); 2500 2501 /* 2502 * restore ac97 status 2503 */ 2504 static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2505 { 2506 int i; 2507 2508 for (i = 2; i < 0x7c ; i += 2) { 2509 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2510 continue; 2511 /* restore only accessible registers 2512 * some chip (e.g. nm256) may hang up when unsupported registers 2513 * are accessed..! 2514 */ 2515 if (test_bit(i, ac97->reg_accessed)) { 2516 snd_ac97_write(ac97, i, ac97->regs[i]); 2517 snd_ac97_read(ac97, i); 2518 } 2519 } 2520 } 2521 2522 /* 2523 * restore IEC958 status 2524 */ 2525 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2526 { 2527 if (ac97->ext_id & AC97_EI_SPDIF) { 2528 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2529 /* reset spdif status */ 2530 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2531 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2532 if (ac97->flags & AC97_CS_SPDIF) 2533 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2534 else 2535 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2536 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2537 } 2538 } 2539 } 2540 2541 /** 2542 * snd_ac97_resume - General resume function for AC97 codec 2543 * @ac97: the ac97 instance 2544 * 2545 * Do the standard resume procedure, power up and restoring the 2546 * old register values. 2547 */ 2548 void snd_ac97_resume(struct snd_ac97 *ac97) 2549 { 2550 unsigned long end_time; 2551 2552 if (! ac97) 2553 return; 2554 2555 if (ac97->bus->ops->reset) { 2556 ac97->bus->ops->reset(ac97); 2557 goto __reset_ready; 2558 } 2559 2560 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2561 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2562 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2563 snd_ac97_write(ac97, AC97_RESET, 0); 2564 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2565 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2566 udelay(100); 2567 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2568 } 2569 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2570 2571 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2572 if (ac97_is_audio(ac97)) { 2573 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2574 end_time = jiffies + msecs_to_jiffies(100); 2575 do { 2576 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2577 break; 2578 schedule_timeout_uninterruptible(1); 2579 } while (time_after_eq(end_time, jiffies)); 2580 /* FIXME: extra delay */ 2581 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO); 2582 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO) 2583 msleep(250); 2584 } else { 2585 end_time = jiffies + msecs_to_jiffies(100); 2586 do { 2587 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2588 if (val != 0xffff && (val & 1) != 0) 2589 break; 2590 schedule_timeout_uninterruptible(1); 2591 } while (time_after_eq(end_time, jiffies)); 2592 } 2593 __reset_ready: 2594 2595 if (ac97->bus->ops->init) 2596 ac97->bus->ops->init(ac97); 2597 2598 if (ac97->build_ops->resume) 2599 ac97->build_ops->resume(ac97); 2600 else { 2601 snd_ac97_restore_status(ac97); 2602 snd_ac97_restore_iec958(ac97); 2603 } 2604 } 2605 2606 EXPORT_SYMBOL(snd_ac97_resume); 2607 #endif 2608 2609 2610 /* 2611 * Hardware tuning 2612 */ 2613 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2614 { 2615 if (suffix) 2616 sprintf(dst, "%s %s", src, suffix); 2617 else 2618 strcpy(dst, src); 2619 } 2620 2621 /* remove the control with the given name and optional suffix */ 2622 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2623 const char *suffix) 2624 { 2625 struct snd_ctl_elem_id id; 2626 memset(&id, 0, sizeof(id)); 2627 set_ctl_name(id.name, name, suffix); 2628 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2629 return snd_ctl_remove_id(ac97->bus->card, &id); 2630 } 2631 2632 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2633 { 2634 struct snd_ctl_elem_id sid; 2635 memset(&sid, 0, sizeof(sid)); 2636 set_ctl_name(sid.name, name, suffix); 2637 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2638 return snd_ctl_find_id(ac97->bus->card, &sid); 2639 } 2640 2641 /* rename the control with the given name and optional suffix */ 2642 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2643 const char *dst, const char *suffix) 2644 { 2645 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2646 if (kctl) { 2647 set_ctl_name(kctl->id.name, dst, suffix); 2648 return 0; 2649 } 2650 return -ENOENT; 2651 } 2652 2653 /* rename both Volume and Switch controls - don't check the return value */ 2654 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2655 const char *dst) 2656 { 2657 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2658 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2659 } 2660 2661 /* swap controls */ 2662 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2663 const char *s2, const char *suffix) 2664 { 2665 struct snd_kcontrol *kctl1, *kctl2; 2666 kctl1 = ctl_find(ac97, s1, suffix); 2667 kctl2 = ctl_find(ac97, s2, suffix); 2668 if (kctl1 && kctl2) { 2669 set_ctl_name(kctl1->id.name, s2, suffix); 2670 set_ctl_name(kctl2->id.name, s1, suffix); 2671 return 0; 2672 } 2673 return -ENOENT; 2674 } 2675 2676 #if 1 2677 /* bind hp and master controls instead of using only hp control */ 2678 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2679 { 2680 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2681 if (err > 0) { 2682 unsigned long priv_saved = kcontrol->private_value; 2683 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2684 snd_ac97_put_volsw(kcontrol, ucontrol); 2685 kcontrol->private_value = priv_saved; 2686 } 2687 return err; 2688 } 2689 2690 /* ac97 tune: bind Master and Headphone controls */ 2691 static int tune_hp_only(struct snd_ac97 *ac97) 2692 { 2693 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2694 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2695 if (! msw || ! mvol) 2696 return -ENOENT; 2697 msw->put = bind_hp_volsw_put; 2698 mvol->put = bind_hp_volsw_put; 2699 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2700 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2701 return 0; 2702 } 2703 2704 #else 2705 /* ac97 tune: use Headphone control as master */ 2706 static int tune_hp_only(struct snd_ac97 *ac97) 2707 { 2708 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2709 return -ENOENT; 2710 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2711 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2712 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2713 return 0; 2714 } 2715 #endif 2716 2717 /* ac97 tune: swap Headphone and Master controls */ 2718 static int tune_swap_hp(struct snd_ac97 *ac97) 2719 { 2720 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2721 return -ENOENT; 2722 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2723 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2724 return 0; 2725 } 2726 2727 /* ac97 tune: swap Surround and Master controls */ 2728 static int tune_swap_surround(struct snd_ac97 *ac97) 2729 { 2730 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2731 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2732 return -ENOENT; 2733 return 0; 2734 } 2735 2736 /* ac97 tune: set up mic sharing for AD codecs */ 2737 static int tune_ad_sharing(struct snd_ac97 *ac97) 2738 { 2739 unsigned short scfg; 2740 if ((ac97->id & 0xffffff00) != 0x41445300) { 2741 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n"); 2742 return -EINVAL; 2743 } 2744 /* Turn on OMS bit to route microphone to back panel */ 2745 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2746 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2747 return 0; 2748 } 2749 2750 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2751 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2752 2753 /* ac97 tune: set up ALC jack-select */ 2754 static int tune_alc_jack(struct snd_ac97 *ac97) 2755 { 2756 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2757 ac97_err(ac97, 2758 "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2759 return -EINVAL; 2760 } 2761 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2762 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2763 if (ac97->id == AC97_ID_ALC658D) 2764 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2765 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2766 } 2767 2768 /* ac97 tune: inversed EAPD bit */ 2769 static int tune_inv_eapd(struct snd_ac97 *ac97) 2770 { 2771 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2772 if (! kctl) 2773 return -ENOENT; 2774 set_inv_eapd(ac97, kctl); 2775 return 0; 2776 } 2777 2778 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2779 { 2780 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2781 if (err > 0) { 2782 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2783 int shift = (kcontrol->private_value >> 8) & 0x0f; 2784 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2785 unsigned short mask; 2786 if (shift != rshift) 2787 mask = AC97_MUTE_MASK_STEREO; 2788 else 2789 mask = AC97_MUTE_MASK_MONO; 2790 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2791 (ac97->regs[AC97_MASTER] & mask) == mask ? 2792 AC97_PD_EAPD : 0); 2793 } 2794 return err; 2795 } 2796 2797 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2798 static int tune_mute_led(struct snd_ac97 *ac97) 2799 { 2800 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2801 if (! msw) 2802 return -ENOENT; 2803 msw->put = master_mute_sw_put; 2804 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2805 snd_ac97_update_bits( 2806 ac97, AC97_POWERDOWN, 2807 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2808 ); 2809 ac97->scaps |= AC97_SCAP_EAPD_LED; 2810 return 0; 2811 } 2812 2813 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2814 struct snd_ctl_elem_value *ucontrol) 2815 { 2816 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2817 if (err > 0) { 2818 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2819 int shift = (kcontrol->private_value >> 8) & 0x0f; 2820 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2821 unsigned short mask; 2822 if (shift != rshift) 2823 mask = AC97_MUTE_MASK_STEREO; 2824 else 2825 mask = AC97_MUTE_MASK_MONO; 2826 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2827 (ac97->regs[AC97_MASTER] & mask) == mask ? 2828 AC97_PD_EAPD : 0); 2829 } 2830 return err; 2831 } 2832 2833 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2834 { 2835 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2836 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2837 if (! msw || ! mvol) 2838 return -ENOENT; 2839 msw->put = hp_master_mute_sw_put; 2840 mvol->put = bind_hp_volsw_put; 2841 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2842 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2843 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2844 snd_ac97_update_bits( 2845 ac97, AC97_POWERDOWN, 2846 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2847 ); 2848 return 0; 2849 } 2850 2851 struct quirk_table { 2852 const char *name; 2853 int (*func)(struct snd_ac97 *); 2854 }; 2855 2856 static struct quirk_table applicable_quirks[] = { 2857 { "none", NULL }, 2858 { "hp_only", tune_hp_only }, 2859 { "swap_hp", tune_swap_hp }, 2860 { "swap_surround", tune_swap_surround }, 2861 { "ad_sharing", tune_ad_sharing }, 2862 { "alc_jack", tune_alc_jack }, 2863 { "inv_eapd", tune_inv_eapd }, 2864 { "mute_led", tune_mute_led }, 2865 { "hp_mute_led", tune_hp_mute_led }, 2866 }; 2867 2868 /* apply the quirk with the given type */ 2869 static int apply_quirk(struct snd_ac97 *ac97, int type) 2870 { 2871 if (type <= 0) 2872 return 0; 2873 else if (type >= ARRAY_SIZE(applicable_quirks)) 2874 return -EINVAL; 2875 if (applicable_quirks[type].func) 2876 return applicable_quirks[type].func(ac97); 2877 return 0; 2878 } 2879 2880 /* apply the quirk with the given name */ 2881 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2882 { 2883 int i; 2884 struct quirk_table *q; 2885 2886 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2887 q = &applicable_quirks[i]; 2888 if (q->name && ! strcmp(typestr, q->name)) 2889 return apply_quirk(ac97, i); 2890 } 2891 /* for compatibility, accept the numbers, too */ 2892 if (*typestr >= '0' && *typestr <= '9') 2893 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2894 return -EINVAL; 2895 } 2896 2897 /** 2898 * snd_ac97_tune_hardware - tune up the hardware 2899 * @ac97: the ac97 instance 2900 * @quirk: quirk list 2901 * @override: explicit quirk value (overrides the list if non-NULL) 2902 * 2903 * Do some workaround for each pci device, such as renaming of the 2904 * headphone (true line-out) control as "Master". 2905 * The quirk-list must be terminated with a zero-filled entry. 2906 * 2907 * Return: Zero if successful, or a negative error code on failure. 2908 */ 2909 2910 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) 2911 { 2912 int result; 2913 2914 /* quirk overriden? */ 2915 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2916 result = apply_quirk_str(ac97, override); 2917 if (result < 0) 2918 ac97_err(ac97, "applying quirk type %s failed (%d)\n", 2919 override, result); 2920 return result; 2921 } 2922 2923 if (! quirk) 2924 return -EINVAL; 2925 2926 for (; quirk->subvendor; quirk++) { 2927 if (quirk->subvendor != ac97->subsystem_vendor) 2928 continue; 2929 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2930 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2931 if (quirk->codec_id && quirk->codec_id != ac97->id) 2932 continue; 2933 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n", 2934 quirk->name, ac97->subsystem_vendor, 2935 ac97->subsystem_device); 2936 result = apply_quirk(ac97, quirk->type); 2937 if (result < 0) 2938 ac97_err(ac97, 2939 "applying quirk type %d for %s failed (%d)\n", 2940 quirk->type, quirk->name, result); 2941 return result; 2942 } 2943 } 2944 return 0; 2945 } 2946 2947 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2948 2949 /* 2950 * INIT part 2951 */ 2952 2953 static int __init alsa_ac97_init(void) 2954 { 2955 return 0; 2956 } 2957 2958 static void __exit alsa_ac97_exit(void) 2959 { 2960 } 2961 2962 module_init(alsa_ac97_init) 2963 module_exit(alsa_ac97_exit) 2964