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 { 0x56494120, 0xfffffff0, "VIA1613", patch_vt1613, NULL }, 181 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 182 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 183 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL }, 184 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 185 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL }, 186 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 187 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 188 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 189 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 190 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL}, 191 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 192 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL }, 193 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 194 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 195 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 196 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 197 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 198 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 199 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 200 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 201 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 202 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 203 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 204 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 205 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 206 { 0, 0, NULL, NULL, NULL } 207 }; 208 209 210 static void update_power_regs(struct snd_ac97 *ac97); 211 #ifdef CONFIG_SND_AC97_POWER_SAVE 212 #define ac97_is_power_save_mode(ac97) \ 213 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save) 214 #else 215 #define ac97_is_power_save_mode(ac97) 0 216 #endif 217 218 #define ac97_err(ac97, fmt, args...) \ 219 dev_err((ac97)->bus->card->dev, fmt, ##args) 220 #define ac97_warn(ac97, fmt, args...) \ 221 dev_warn((ac97)->bus->card->dev, fmt, ##args) 222 #define ac97_dbg(ac97, fmt, args...) \ 223 dev_dbg((ac97)->bus->card->dev, fmt, ##args) 224 225 /* 226 * I/O routines 227 */ 228 229 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 230 { 231 /* filter some registers for buggy codecs */ 232 switch (ac97->id) { 233 case AC97_ID_ST_AC97_ID4: 234 if (reg == 0x08) 235 return 0; 236 /* fall through */ 237 case AC97_ID_ST7597: 238 if (reg == 0x22 || reg == 0x7a) 239 return 1; 240 /* fall through */ 241 case AC97_ID_AK4540: 242 case AC97_ID_AK4542: 243 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 244 return 1; 245 return 0; 246 case AC97_ID_AD1819: /* AD1819 */ 247 case AC97_ID_AD1881: /* AD1881 */ 248 case AC97_ID_AD1881A: /* AD1881A */ 249 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 250 return 0; 251 return 1; 252 case AC97_ID_AD1885: /* AD1885 */ 253 case AC97_ID_AD1886: /* AD1886 */ 254 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 255 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 256 if (reg == 0x5a) 257 return 1; 258 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 259 return 0; 260 return 1; 261 case AC97_ID_STAC9700: 262 case AC97_ID_STAC9704: 263 case AC97_ID_STAC9705: 264 case AC97_ID_STAC9708: 265 case AC97_ID_STAC9721: 266 case AC97_ID_STAC9744: 267 case AC97_ID_STAC9756: 268 if (reg <= 0x3a || reg >= 0x5a) 269 return 1; 270 return 0; 271 } 272 return 1; 273 } 274 275 /** 276 * snd_ac97_write - write a value on the given register 277 * @ac97: the ac97 instance 278 * @reg: the register to change 279 * @value: the value to set 280 * 281 * Writes a value on the given register. This will invoke the write 282 * callback directly after the register check. 283 * This function doesn't change the register cache unlike 284 * #snd_ca97_write_cache(), so use this only when you don't want to 285 * reflect the change to the suspend/resume state. 286 */ 287 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 288 { 289 if (!snd_ac97_valid_reg(ac97, reg)) 290 return; 291 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 292 /* Fix H/W bug of ALC100/100P */ 293 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 294 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 295 } 296 ac97->bus->ops->write(ac97, reg, value); 297 } 298 299 EXPORT_SYMBOL(snd_ac97_write); 300 301 /** 302 * snd_ac97_read - read a value from the given register 303 * 304 * @ac97: the ac97 instance 305 * @reg: the register to read 306 * 307 * Reads a value from the given register. This will invoke the read 308 * callback directly after the register check. 309 * 310 * Return: The read value. 311 */ 312 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 313 { 314 if (!snd_ac97_valid_reg(ac97, reg)) 315 return 0; 316 return ac97->bus->ops->read(ac97, reg); 317 } 318 319 /* read a register - return the cached value if already read */ 320 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 321 { 322 if (! test_bit(reg, ac97->reg_accessed)) { 323 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 324 // set_bit(reg, ac97->reg_accessed); 325 } 326 return ac97->regs[reg]; 327 } 328 329 EXPORT_SYMBOL(snd_ac97_read); 330 331 /** 332 * snd_ac97_write_cache - write a value on the given register and update the cache 333 * @ac97: the ac97 instance 334 * @reg: the register to change 335 * @value: the value to set 336 * 337 * Writes a value on the given register and updates the register 338 * cache. The cached values are used for the cached-read and the 339 * suspend/resume. 340 */ 341 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 342 { 343 if (!snd_ac97_valid_reg(ac97, reg)) 344 return; 345 mutex_lock(&ac97->reg_mutex); 346 ac97->regs[reg] = value; 347 ac97->bus->ops->write(ac97, reg, value); 348 set_bit(reg, ac97->reg_accessed); 349 mutex_unlock(&ac97->reg_mutex); 350 } 351 352 EXPORT_SYMBOL(snd_ac97_write_cache); 353 354 /** 355 * snd_ac97_update - update the value on the given register 356 * @ac97: the ac97 instance 357 * @reg: the register to change 358 * @value: the value to set 359 * 360 * Compares the value with the register cache and updates the value 361 * only when the value is changed. 362 * 363 * Return: 1 if the value is changed, 0 if no change, or a negative 364 * code on failure. 365 */ 366 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 367 { 368 int change; 369 370 if (!snd_ac97_valid_reg(ac97, reg)) 371 return -EINVAL; 372 mutex_lock(&ac97->reg_mutex); 373 change = ac97->regs[reg] != value; 374 if (change) { 375 ac97->regs[reg] = value; 376 ac97->bus->ops->write(ac97, reg, value); 377 } 378 set_bit(reg, ac97->reg_accessed); 379 mutex_unlock(&ac97->reg_mutex); 380 return change; 381 } 382 383 EXPORT_SYMBOL(snd_ac97_update); 384 385 /** 386 * snd_ac97_update_bits - update the bits on the given register 387 * @ac97: the ac97 instance 388 * @reg: the register to change 389 * @mask: the bit-mask to change 390 * @value: the value to set 391 * 392 * Updates the masked-bits on the given register only when the value 393 * is changed. 394 * 395 * Return: 1 if the bits are changed, 0 if no change, or a negative 396 * code on failure. 397 */ 398 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 399 { 400 int change; 401 402 if (!snd_ac97_valid_reg(ac97, reg)) 403 return -EINVAL; 404 mutex_lock(&ac97->reg_mutex); 405 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 406 mutex_unlock(&ac97->reg_mutex); 407 return change; 408 } 409 410 EXPORT_SYMBOL(snd_ac97_update_bits); 411 412 /* no lock version - see snd_ac97_update_bits() */ 413 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 414 unsigned short mask, unsigned short value) 415 { 416 int change; 417 unsigned short old, new; 418 419 old = snd_ac97_read_cache(ac97, reg); 420 new = (old & ~mask) | (value & mask); 421 change = old != new; 422 if (change) { 423 ac97->regs[reg] = new; 424 ac97->bus->ops->write(ac97, reg, new); 425 } 426 set_bit(reg, ac97->reg_accessed); 427 return change; 428 } 429 430 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 431 { 432 int change; 433 unsigned short old, new, cfg; 434 435 mutex_lock(&ac97->page_mutex); 436 old = ac97->spec.ad18xx.pcmreg[codec]; 437 new = (old & ~mask) | (value & mask); 438 change = old != new; 439 if (change) { 440 mutex_lock(&ac97->reg_mutex); 441 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 442 ac97->spec.ad18xx.pcmreg[codec] = new; 443 /* select single codec */ 444 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 445 (cfg & ~0x7000) | 446 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 447 /* update PCM bits */ 448 ac97->bus->ops->write(ac97, AC97_PCM, new); 449 /* select all codecs */ 450 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 451 cfg | 0x7000); 452 mutex_unlock(&ac97->reg_mutex); 453 } 454 mutex_unlock(&ac97->page_mutex); 455 return change; 456 } 457 458 /* 459 * Controls 460 */ 461 462 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, 463 struct snd_ctl_elem_info *uinfo) 464 { 465 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 466 467 return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2, 468 e->mask, e->texts); 469 } 470 471 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, 472 struct snd_ctl_elem_value *ucontrol) 473 { 474 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 475 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 476 unsigned short val, bitmask; 477 478 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 479 ; 480 val = snd_ac97_read_cache(ac97, e->reg); 481 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 482 if (e->shift_l != e->shift_r) 483 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 484 485 return 0; 486 } 487 488 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, 489 struct snd_ctl_elem_value *ucontrol) 490 { 491 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 492 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 493 unsigned short val; 494 unsigned short mask, bitmask; 495 496 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 497 ; 498 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 499 return -EINVAL; 500 val = ucontrol->value.enumerated.item[0] << e->shift_l; 501 mask = (bitmask - 1) << e->shift_l; 502 if (e->shift_l != e->shift_r) { 503 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 504 return -EINVAL; 505 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 506 mask |= (bitmask - 1) << e->shift_r; 507 } 508 return snd_ac97_update_bits(ac97, e->reg, mask, val); 509 } 510 511 /* save/restore ac97 v2.3 paging */ 512 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 513 { 514 int page_save = -1; 515 if ((kcontrol->private_value & (1<<25)) && 516 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 517 (reg >= 0x60 && reg < 0x70)) { 518 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 519 mutex_lock(&ac97->page_mutex); /* lock paging */ 520 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 521 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 522 } 523 return page_save; 524 } 525 526 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 527 { 528 if (page_save >= 0) { 529 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 530 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 531 } 532 } 533 534 /* volume and switch controls */ 535 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, 536 struct snd_ctl_elem_info *uinfo) 537 { 538 int mask = (kcontrol->private_value >> 16) & 0xff; 539 int shift = (kcontrol->private_value >> 8) & 0x0f; 540 int rshift = (kcontrol->private_value >> 12) & 0x0f; 541 542 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 543 uinfo->count = shift == rshift ? 1 : 2; 544 uinfo->value.integer.min = 0; 545 uinfo->value.integer.max = mask; 546 return 0; 547 } 548 549 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, 550 struct snd_ctl_elem_value *ucontrol) 551 { 552 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 553 int reg = kcontrol->private_value & 0xff; 554 int shift = (kcontrol->private_value >> 8) & 0x0f; 555 int rshift = (kcontrol->private_value >> 12) & 0x0f; 556 int mask = (kcontrol->private_value >> 16) & 0xff; 557 int invert = (kcontrol->private_value >> 24) & 0x01; 558 int page_save; 559 560 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 561 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 562 if (shift != rshift) 563 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 564 if (invert) { 565 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 566 if (shift != rshift) 567 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 568 } 569 snd_ac97_page_restore(ac97, page_save); 570 return 0; 571 } 572 573 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, 574 struct snd_ctl_elem_value *ucontrol) 575 { 576 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 577 int reg = kcontrol->private_value & 0xff; 578 int shift = (kcontrol->private_value >> 8) & 0x0f; 579 int rshift = (kcontrol->private_value >> 12) & 0x0f; 580 int mask = (kcontrol->private_value >> 16) & 0xff; 581 int invert = (kcontrol->private_value >> 24) & 0x01; 582 int err, page_save; 583 unsigned short val, val2, val_mask; 584 585 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 586 val = (ucontrol->value.integer.value[0] & mask); 587 if (invert) 588 val = mask - val; 589 val_mask = mask << shift; 590 val = val << shift; 591 if (shift != rshift) { 592 val2 = (ucontrol->value.integer.value[1] & mask); 593 if (invert) 594 val2 = mask - val2; 595 val_mask |= mask << rshift; 596 val |= val2 << rshift; 597 } 598 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 599 snd_ac97_page_restore(ac97, page_save); 600 #ifdef CONFIG_SND_AC97_POWER_SAVE 601 /* check analog mixer power-down */ 602 if ((val_mask & AC97_PD_EAPD) && 603 (kcontrol->private_value & (1<<30))) { 604 if (val & AC97_PD_EAPD) 605 ac97->power_up &= ~(1 << (reg>>1)); 606 else 607 ac97->power_up |= 1 << (reg>>1); 608 update_power_regs(ac97); 609 } 610 #endif 611 return err; 612 } 613 614 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 615 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 616 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 617 }; 618 619 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 620 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 621 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 622 }; 623 624 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 625 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1), 626 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1) 627 }; 628 629 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 630 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 631 632 633 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 634 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 635 static const char* std_mix[] = {"Mix", "Mic"}; 636 static const char* std_mic[] = {"Mic1", "Mic2"}; 637 638 static const struct ac97_enum std_enum[] = { 639 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 640 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 641 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 642 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 643 }; 644 645 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 646 AC97_ENUM("Capture Source", std_enum[0]); 647 648 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 649 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 650 651 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 652 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 653 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 654 }; 655 656 enum { 657 AC97_GENERAL_PCM_OUT = 0, 658 AC97_GENERAL_STEREO_ENHANCEMENT, 659 AC97_GENERAL_3D, 660 AC97_GENERAL_LOUDNESS, 661 AC97_GENERAL_MONO, 662 AC97_GENERAL_MIC, 663 AC97_GENERAL_LOOPBACK 664 }; 665 666 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 667 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 668 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 669 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 670 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 671 AC97_ENUM("Mono Output Select", std_enum[2]), 672 AC97_ENUM("Mic Select", std_enum[3]), 673 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 674 }; 675 676 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 677 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 678 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 679 }; 680 681 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 682 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 683 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 684 }; 685 686 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 687 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 688 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 689 }; 690 691 static const struct snd_kcontrol_new snd_ac97_control_eapd = 692 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 693 694 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 695 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 696 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 697 }; 698 699 /* change the existing EAPD control as inverted */ 700 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 701 { 702 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 703 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 704 ac97->scaps |= AC97_SCAP_INV_EAPD; 705 } 706 707 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 708 { 709 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 710 uinfo->count = 1; 711 return 0; 712 } 713 714 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 715 { 716 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 717 IEC958_AES0_NONAUDIO | 718 IEC958_AES0_CON_EMPHASIS_5015 | 719 IEC958_AES0_CON_NOT_COPYRIGHT; 720 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 721 IEC958_AES1_CON_ORIGINAL; 722 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 723 return 0; 724 } 725 726 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 727 { 728 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 729 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 730 IEC958_AES0_NONAUDIO | 731 IEC958_AES0_PRO_FS | 732 IEC958_AES0_PRO_EMPHASIS_5015; 733 return 0; 734 } 735 736 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 737 { 738 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 739 740 mutex_lock(&ac97->reg_mutex); 741 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 742 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 743 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 744 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 745 mutex_unlock(&ac97->reg_mutex); 746 return 0; 747 } 748 749 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 750 { 751 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 752 unsigned int new = 0; 753 unsigned short val = 0; 754 int change; 755 756 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 757 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 758 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 759 switch (new & IEC958_AES0_PRO_FS) { 760 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 761 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 762 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 763 default: val |= 1<<12; break; 764 } 765 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 766 val |= 1<<3; 767 } else { 768 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 769 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 770 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 771 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 772 val |= 1<<3; 773 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 774 val |= 1<<2; 775 val |= ((new >> 8) & 0xff) << 4; // category + original 776 switch ((new >> 24) & 0xff) { 777 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 778 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 779 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 780 default: val |= 1<<12; break; 781 } 782 } 783 784 mutex_lock(&ac97->reg_mutex); 785 change = ac97->spdif_status != new; 786 ac97->spdif_status = new; 787 788 if (ac97->flags & AC97_CS_SPDIF) { 789 int x = (val >> 12) & 0x03; 790 switch (x) { 791 case 0: x = 1; break; // 44.1 792 case 2: x = 0; break; // 48.0 793 default: x = 0; break; // illegal. 794 } 795 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 796 } else if (ac97->flags & AC97_CX_SPDIF) { 797 int v; 798 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 799 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 800 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 801 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 802 v); 803 } else if (ac97->id == AC97_ID_YMF743) { 804 change |= snd_ac97_update_bits_nolock(ac97, 805 AC97_YMF7X3_DIT_CTRL, 806 0xff38, 807 ((val << 4) & 0xff00) | 808 ((val << 2) & 0x0038)); 809 } else { 810 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 811 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 812 813 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 814 if (extst & AC97_EA_SPDIF) { 815 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 816 } 817 } 818 mutex_unlock(&ac97->reg_mutex); 819 820 return change; 821 } 822 823 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 824 { 825 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 826 int reg = kcontrol->private_value & 0xff; 827 int shift = (kcontrol->private_value >> 8) & 0xff; 828 int mask = (kcontrol->private_value >> 16) & 0xff; 829 // int invert = (kcontrol->private_value >> 24) & 0xff; 830 unsigned short value, old, new; 831 int change; 832 833 value = (ucontrol->value.integer.value[0] & mask); 834 835 mutex_lock(&ac97->reg_mutex); 836 mask <<= shift; 837 value <<= shift; 838 old = snd_ac97_read_cache(ac97, reg); 839 new = (old & ~mask) | value; 840 change = old != new; 841 842 if (change) { 843 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 844 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 845 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 846 if (extst & AC97_EA_SPDIF) 847 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 848 } 849 mutex_unlock(&ac97->reg_mutex); 850 return change; 851 } 852 853 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 854 { 855 .access = SNDRV_CTL_ELEM_ACCESS_READ, 856 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 857 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 858 .info = snd_ac97_spdif_mask_info, 859 .get = snd_ac97_spdif_cmask_get, 860 }, 861 { 862 .access = SNDRV_CTL_ELEM_ACCESS_READ, 863 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 864 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 865 .info = snd_ac97_spdif_mask_info, 866 .get = snd_ac97_spdif_pmask_get, 867 }, 868 { 869 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 870 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 871 .info = snd_ac97_spdif_mask_info, 872 .get = snd_ac97_spdif_default_get, 873 .put = snd_ac97_spdif_default_put, 874 }, 875 876 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 877 { 878 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 879 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 880 .info = snd_ac97_info_volsw, 881 .get = snd_ac97_get_volsw, 882 .put = snd_ac97_put_spsa, 883 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 884 }, 885 }; 886 887 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 888 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 889 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 890 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 891 892 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 893 { 894 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 895 int mask = (kcontrol->private_value >> 16) & 0x0f; 896 int lshift = (kcontrol->private_value >> 8) & 0x0f; 897 int rshift = (kcontrol->private_value >> 12) & 0x0f; 898 899 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 900 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 901 uinfo->count = 2; 902 else 903 uinfo->count = 1; 904 uinfo->value.integer.min = 0; 905 uinfo->value.integer.max = mask; 906 return 0; 907 } 908 909 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 910 { 911 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 912 int codec = kcontrol->private_value & 3; 913 int lshift = (kcontrol->private_value >> 8) & 0x0f; 914 int rshift = (kcontrol->private_value >> 12) & 0x0f; 915 int mask = (kcontrol->private_value >> 16) & 0xff; 916 917 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 918 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 919 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 920 return 0; 921 } 922 923 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 924 { 925 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 926 int codec = kcontrol->private_value & 3; 927 int lshift = (kcontrol->private_value >> 8) & 0x0f; 928 int rshift = (kcontrol->private_value >> 12) & 0x0f; 929 int mask = (kcontrol->private_value >> 16) & 0xff; 930 unsigned short val, valmask; 931 932 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 933 valmask = mask << lshift; 934 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 935 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 936 valmask |= mask << rshift; 937 } 938 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 939 } 940 941 #define AD18XX_PCM_VOLUME(xname, codec) \ 942 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 943 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 944 .private_value = codec } 945 946 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 947 { 948 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 949 uinfo->count = 2; 950 uinfo->value.integer.min = 0; 951 uinfo->value.integer.max = 31; 952 return 0; 953 } 954 955 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 956 { 957 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 958 int codec = kcontrol->private_value & 3; 959 960 mutex_lock(&ac97->page_mutex); 961 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 962 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 963 mutex_unlock(&ac97->page_mutex); 964 return 0; 965 } 966 967 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 968 { 969 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 970 int codec = kcontrol->private_value & 3; 971 unsigned short val1, val2; 972 973 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 974 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 975 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 976 } 977 978 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 979 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 980 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 981 }; 982 983 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 984 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 985 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 986 }; 987 988 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 989 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 990 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 991 }; 992 993 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 994 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 995 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 996 }; 997 998 /* 999 * 1000 */ 1001 1002 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 1003 1004 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 1005 { 1006 if (bus) { 1007 snd_ac97_bus_proc_done(bus); 1008 kfree(bus->pcms); 1009 if (bus->private_free) 1010 bus->private_free(bus); 1011 kfree(bus); 1012 } 1013 return 0; 1014 } 1015 1016 static int snd_ac97_bus_dev_free(struct snd_device *device) 1017 { 1018 struct snd_ac97_bus *bus = device->device_data; 1019 return snd_ac97_bus_free(bus); 1020 } 1021 1022 static int snd_ac97_free(struct snd_ac97 *ac97) 1023 { 1024 if (ac97) { 1025 #ifdef CONFIG_SND_AC97_POWER_SAVE 1026 cancel_delayed_work_sync(&ac97->power_work); 1027 #endif 1028 snd_ac97_proc_done(ac97); 1029 if (ac97->bus) 1030 ac97->bus->codec[ac97->num] = NULL; 1031 if (ac97->private_free) 1032 ac97->private_free(ac97); 1033 kfree(ac97); 1034 } 1035 return 0; 1036 } 1037 1038 static int snd_ac97_dev_free(struct snd_device *device) 1039 { 1040 struct snd_ac97 *ac97 = device->device_data; 1041 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1042 return snd_ac97_free(ac97); 1043 } 1044 1045 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1046 { 1047 unsigned short val, mask = AC97_MUTE_MASK_MONO; 1048 1049 if (! snd_ac97_valid_reg(ac97, reg)) 1050 return 0; 1051 1052 switch (reg) { 1053 case AC97_MASTER_TONE: 1054 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0; 1055 case AC97_HEADPHONE: 1056 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0; 1057 case AC97_REC_GAIN_MIC: 1058 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0; 1059 case AC97_3D_CONTROL: 1060 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) { 1061 val = snd_ac97_read(ac97, reg); 1062 /* if nonzero - fixed and we can't set it */ 1063 return val == 0; 1064 } 1065 return 0; 1066 case AC97_CENTER_LFE_MASTER: /* center */ 1067 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1068 return 0; 1069 break; 1070 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1071 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1072 return 0; 1073 reg = AC97_CENTER_LFE_MASTER; 1074 mask = 0x0080; 1075 break; 1076 case AC97_SURROUND_MASTER: 1077 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1078 return 0; 1079 break; 1080 } 1081 1082 val = snd_ac97_read(ac97, reg); 1083 if (!(val & mask)) { 1084 /* nothing seems to be here - mute flag is not set */ 1085 /* try another test */ 1086 snd_ac97_write_cache(ac97, reg, val | mask); 1087 val = snd_ac97_read(ac97, reg); 1088 val = snd_ac97_read(ac97, reg); 1089 if (!(val & mask)) 1090 return 0; /* nothing here */ 1091 } 1092 return 1; /* success, useable */ 1093 } 1094 1095 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1096 { 1097 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1098 unsigned char max[3] = { 63, 31, 15 }; 1099 int i; 1100 1101 /* first look up the static resolution table */ 1102 if (ac97->res_table) { 1103 const struct snd_ac97_res_table *tbl; 1104 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1105 if (tbl->reg == reg) { 1106 *lo_max = tbl->bits & 0xff; 1107 *hi_max = (tbl->bits >> 8) & 0xff; 1108 return; 1109 } 1110 } 1111 } 1112 1113 *lo_max = *hi_max = 0; 1114 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1115 unsigned short val; 1116 snd_ac97_write( 1117 ac97, reg, 1118 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8) 1119 ); 1120 /* Do the read twice due to buffers on some ac97 codecs. 1121 * e.g. The STAC9704 returns exactly what you wrote to the register 1122 * if you read it immediately. This causes the detect routine to fail. 1123 */ 1124 val = snd_ac97_read(ac97, reg); 1125 val = snd_ac97_read(ac97, reg); 1126 if (! *lo_max && (val & 0x7f) == cbit[i]) 1127 *lo_max = max[i]; 1128 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1129 *hi_max = max[i]; 1130 if (*lo_max && *hi_max) 1131 break; 1132 } 1133 } 1134 1135 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1136 { 1137 unsigned short mask, val, orig, res; 1138 1139 mask = 1 << bit; 1140 orig = snd_ac97_read(ac97, reg); 1141 val = orig ^ mask; 1142 snd_ac97_write(ac97, reg, val); 1143 res = snd_ac97_read(ac97, reg); 1144 snd_ac97_write_cache(ac97, reg, orig); 1145 return res == val; 1146 } 1147 1148 /* check the volume resolution of center/lfe */ 1149 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1150 { 1151 unsigned short val, val1; 1152 1153 *max = 63; 1154 val = AC97_MUTE_MASK_STEREO | (0x20 << shift); 1155 snd_ac97_write(ac97, reg, val); 1156 val1 = snd_ac97_read(ac97, reg); 1157 if (val != val1) { 1158 *max = 31; 1159 } 1160 /* reset volume to zero */ 1161 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO); 1162 } 1163 1164 static inline int printable(unsigned int x) 1165 { 1166 x &= 0xff; 1167 if (x < ' ' || x >= 0x71) { 1168 if (x <= 0x89) 1169 return x - 0x71 + 'A'; 1170 return '?'; 1171 } 1172 return x; 1173 } 1174 1175 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, 1176 struct snd_ac97 * ac97) 1177 { 1178 struct snd_kcontrol_new template; 1179 memcpy(&template, _template, sizeof(template)); 1180 template.index = ac97->num; 1181 return snd_ctl_new1(&template, ac97); 1182 } 1183 1184 /* 1185 * create mute switch(es) for normal stereo controls 1186 */ 1187 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1188 int check_stereo, int check_amix, 1189 struct snd_ac97 *ac97) 1190 { 1191 struct snd_kcontrol *kctl; 1192 int err; 1193 unsigned short val, val1, mute_mask; 1194 1195 if (! snd_ac97_valid_reg(ac97, reg)) 1196 return 0; 1197 1198 mute_mask = AC97_MUTE_MASK_MONO; 1199 val = snd_ac97_read(ac97, reg); 1200 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1201 /* check whether both mute bits work */ 1202 val1 = val | AC97_MUTE_MASK_STEREO; 1203 snd_ac97_write(ac97, reg, val1); 1204 if (val1 == snd_ac97_read(ac97, reg)) 1205 mute_mask = AC97_MUTE_MASK_STEREO; 1206 } 1207 if (mute_mask == AC97_MUTE_MASK_STEREO) { 1208 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1209 if (check_amix) 1210 tmp.private_value |= (1 << 30); 1211 tmp.index = ac97->num; 1212 kctl = snd_ctl_new1(&tmp, ac97); 1213 } else { 1214 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1215 if (check_amix) 1216 tmp.private_value |= (1 << 30); 1217 tmp.index = ac97->num; 1218 kctl = snd_ctl_new1(&tmp, ac97); 1219 } 1220 err = snd_ctl_add(card, kctl); 1221 if (err < 0) 1222 return err; 1223 /* mute as default */ 1224 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1225 return 0; 1226 } 1227 1228 /* 1229 * set dB information 1230 */ 1231 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1232 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1233 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1234 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1235 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1236 1237 static const unsigned int *find_db_scale(unsigned int maxval) 1238 { 1239 switch (maxval) { 1240 case 0x0f: return db_scale_4bit; 1241 case 0x1f: return db_scale_5bit; 1242 case 0x3f: return db_scale_6bit; 1243 } 1244 return NULL; 1245 } 1246 1247 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1248 { 1249 kctl->tlv.p = tlv; 1250 if (tlv) 1251 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1252 } 1253 1254 /* 1255 * create a volume for normal stereo/mono controls 1256 */ 1257 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1258 unsigned int hi_max, struct snd_ac97 *ac97) 1259 { 1260 int err; 1261 struct snd_kcontrol *kctl; 1262 1263 if (! snd_ac97_valid_reg(ac97, reg)) 1264 return 0; 1265 if (hi_max) { 1266 /* invert */ 1267 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1268 tmp.index = ac97->num; 1269 kctl = snd_ctl_new1(&tmp, ac97); 1270 } else { 1271 /* invert */ 1272 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1273 tmp.index = ac97->num; 1274 kctl = snd_ctl_new1(&tmp, ac97); 1275 } 1276 if (!kctl) 1277 return -ENOMEM; 1278 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1279 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1280 else 1281 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1282 err = snd_ctl_add(card, kctl); 1283 if (err < 0) 1284 return err; 1285 snd_ac97_write_cache( 1286 ac97, reg, 1287 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO) 1288 | lo_max | (hi_max << 8) 1289 ); 1290 return 0; 1291 } 1292 1293 /* 1294 * create a mute-switch and a volume for normal stereo/mono controls 1295 */ 1296 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1297 int reg, int check_stereo, int check_amix, 1298 struct snd_ac97 *ac97) 1299 { 1300 int err; 1301 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 1302 unsigned char lo_max, hi_max; 1303 1304 if (! snd_ac97_valid_reg(ac97, reg)) 1305 return 0; 1306 1307 if (snd_ac97_try_bit(ac97, reg, 15)) { 1308 sprintf(name, "%s Switch", pfx); 1309 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, 1310 check_stereo, check_amix, 1311 ac97)) < 0) 1312 return err; 1313 } 1314 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1315 if (lo_max) { 1316 sprintf(name, "%s Volume", pfx); 1317 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1318 return err; 1319 } 1320 return 0; 1321 } 1322 1323 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1324 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1325 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1326 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1327 1328 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1329 1330 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1331 { 1332 struct snd_card *card = ac97->bus->card; 1333 struct snd_kcontrol *kctl; 1334 int err; 1335 unsigned int idx; 1336 unsigned char max; 1337 1338 /* build master controls */ 1339 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1340 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1341 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1342 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1343 AC97_MASTER, 0, ac97); 1344 else 1345 err = snd_ac97_cmix_new(card, "Master Playback", 1346 AC97_MASTER, 0, ac97); 1347 if (err < 0) 1348 return err; 1349 } 1350 1351 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO; 1352 1353 /* build center controls */ 1354 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1355 && !(ac97->flags & AC97_AD_MULTI)) { 1356 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1357 return err; 1358 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1359 return err; 1360 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1361 kctl->private_value &= ~(0xff << 16); 1362 kctl->private_value |= (int)max << 16; 1363 set_tlv_db_scale(kctl, find_db_scale(max)); 1364 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1365 } 1366 1367 /* build LFE controls */ 1368 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1369 && !(ac97->flags & AC97_AD_MULTI)) { 1370 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1371 return err; 1372 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1373 return err; 1374 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1375 kctl->private_value &= ~(0xff << 16); 1376 kctl->private_value |= (int)max << 16; 1377 set_tlv_db_scale(kctl, find_db_scale(max)); 1378 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1379 } 1380 1381 /* build surround controls */ 1382 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1383 && !(ac97->flags & AC97_AD_MULTI)) { 1384 /* Surround Master (0x38) is with stereo mutes */ 1385 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1386 AC97_SURROUND_MASTER, 1, 0, 1387 ac97)) < 0) 1388 return err; 1389 } 1390 1391 /* build headphone controls */ 1392 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1393 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", 1394 AC97_HEADPHONE, 0, ac97)) < 0) 1395 return err; 1396 } 1397 1398 /* build master mono controls */ 1399 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1400 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", 1401 AC97_MASTER_MONO, 0, ac97)) < 0) 1402 return err; 1403 } 1404 1405 /* build master tone controls */ 1406 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1407 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1408 for (idx = 0; idx < 2; idx++) { 1409 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1410 return err; 1411 if (ac97->id == AC97_ID_YMF743 || 1412 ac97->id == AC97_ID_YMF753) { 1413 kctl->private_value &= ~(0xff << 16); 1414 kctl->private_value |= 7 << 16; 1415 } 1416 } 1417 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1418 } 1419 } 1420 1421 /* build Beep controls */ 1422 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1423 ((ac97->flags & AC97_HAS_PC_BEEP) || 1424 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1425 for (idx = 0; idx < 2; idx++) 1426 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1427 return err; 1428 set_tlv_db_scale(kctl, db_scale_4bit); 1429 snd_ac97_write_cache( 1430 ac97, 1431 AC97_PC_BEEP, 1432 (snd_ac97_read(ac97, AC97_PC_BEEP) 1433 | AC97_MUTE_MASK_MONO | 0x001e) 1434 ); 1435 } 1436 1437 /* build Phone controls */ 1438 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1439 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1440 if ((err = snd_ac97_cmix_new(card, "Phone Playback", 1441 AC97_PHONE, 1, ac97)) < 0) 1442 return err; 1443 } 1444 } 1445 1446 /* build MIC controls */ 1447 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1448 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1449 if ((err = snd_ac97_cmix_new(card, "Mic Playback", 1450 AC97_MIC, 1, ac97)) < 0) 1451 return err; 1452 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1453 return err; 1454 } 1455 } 1456 1457 /* build Line controls */ 1458 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1459 if ((err = snd_ac97_cmix_new(card, "Line Playback", 1460 AC97_LINE, 1, ac97)) < 0) 1461 return err; 1462 } 1463 1464 /* build CD controls */ 1465 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1466 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1467 if ((err = snd_ac97_cmix_new(card, "CD Playback", 1468 AC97_CD, 1, ac97)) < 0) 1469 return err; 1470 } 1471 } 1472 1473 /* build Video controls */ 1474 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1475 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1476 if ((err = snd_ac97_cmix_new(card, "Video Playback", 1477 AC97_VIDEO, 1, ac97)) < 0) 1478 return err; 1479 } 1480 } 1481 1482 /* build Aux controls */ 1483 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1484 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1485 if ((err = snd_ac97_cmix_new(card, "Aux Playback", 1486 AC97_AUX, 1, ac97)) < 0) 1487 return err; 1488 } 1489 } 1490 1491 /* build PCM controls */ 1492 if (ac97->flags & AC97_AD_MULTI) { 1493 unsigned short init_val; 1494 if (ac97->flags & AC97_STEREO_MUTES) 1495 init_val = 0x9f9f; 1496 else 1497 init_val = 0x9f1f; 1498 for (idx = 0; idx < 2; idx++) 1499 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1500 return err; 1501 set_tlv_db_scale(kctl, db_scale_5bit); 1502 ac97->spec.ad18xx.pcmreg[0] = init_val; 1503 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1504 for (idx = 0; idx < 2; idx++) 1505 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1506 return err; 1507 set_tlv_db_scale(kctl, db_scale_5bit); 1508 ac97->spec.ad18xx.pcmreg[1] = init_val; 1509 } 1510 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1511 for (idx = 0; idx < 2; idx++) 1512 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1513 return err; 1514 set_tlv_db_scale(kctl, db_scale_5bit); 1515 for (idx = 0; idx < 2; idx++) 1516 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1517 return err; 1518 set_tlv_db_scale(kctl, db_scale_5bit); 1519 ac97->spec.ad18xx.pcmreg[2] = init_val; 1520 } 1521 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1522 } else { 1523 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1524 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1525 err = snd_ac97_cmute_new(card, 1526 "PCM Playback Switch", 1527 AC97_PCM, 0, ac97); 1528 else 1529 err = snd_ac97_cmix_new(card, "PCM Playback", 1530 AC97_PCM, 0, ac97); 1531 if (err < 0) 1532 return err; 1533 } 1534 } 1535 1536 /* build Capture controls */ 1537 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1538 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1539 return err; 1540 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1541 err = snd_ac97_cmute_new(card, "Capture Switch", 1542 AC97_REC_GAIN, 0, ac97); 1543 if (err < 0) 1544 return err; 1545 } 1546 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1547 return err; 1548 set_tlv_db_scale(kctl, db_scale_rec_gain); 1549 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1550 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1551 } 1552 /* build MIC Capture controls */ 1553 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1554 for (idx = 0; idx < 2; idx++) 1555 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1556 return err; 1557 set_tlv_db_scale(kctl, db_scale_rec_gain); 1558 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1559 } 1560 1561 /* build PCM out path & mute control */ 1562 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1563 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1564 return err; 1565 } 1566 1567 /* build Simulated Stereo Enhancement control */ 1568 if (ac97->caps & AC97_BC_SIM_STEREO) { 1569 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1570 return err; 1571 } 1572 1573 /* build 3D Stereo Enhancement control */ 1574 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1575 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1576 return err; 1577 } 1578 1579 /* build Loudness control */ 1580 if (ac97->caps & AC97_BC_LOUDNESS) { 1581 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1582 return err; 1583 } 1584 1585 /* build Mono output select control */ 1586 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1587 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1588 return err; 1589 } 1590 1591 /* build Mic select control */ 1592 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1593 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1594 return err; 1595 } 1596 1597 /* build ADC/DAC loopback control */ 1598 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1599 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1600 return err; 1601 } 1602 1603 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1604 1605 /* build 3D controls */ 1606 if (ac97->build_ops->build_3d) { 1607 ac97->build_ops->build_3d(ac97); 1608 } else { 1609 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1610 unsigned short val; 1611 val = 0x0707; 1612 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1613 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1614 val = val == 0x0606; 1615 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1616 return err; 1617 if (val) 1618 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1619 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1620 return err; 1621 if (val) 1622 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1623 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1624 } 1625 } 1626 1627 /* build S/PDIF controls */ 1628 1629 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1630 if (ac97->subsystem_vendor == 0x1043 && 1631 ac97->subsystem_device == 0x810f) 1632 ac97->ext_id |= AC97_EI_SPDIF; 1633 1634 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1635 if (ac97->build_ops->build_spdif) { 1636 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1637 return err; 1638 } else { 1639 for (idx = 0; idx < 5; idx++) 1640 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1641 return err; 1642 if (ac97->build_ops->build_post_spdif) { 1643 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1644 return err; 1645 } 1646 /* set default PCM S/PDIF params */ 1647 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1648 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1649 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1650 } 1651 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1652 } 1653 1654 /* build chip specific controls */ 1655 if (ac97->build_ops->build_specific) 1656 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1657 return err; 1658 1659 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1660 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1661 if (! kctl) 1662 return -ENOMEM; 1663 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1664 set_inv_eapd(ac97, kctl); 1665 if ((err = snd_ctl_add(card, kctl)) < 0) 1666 return err; 1667 } 1668 1669 return 0; 1670 } 1671 1672 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1673 { 1674 int err, idx; 1675 1676 /* 1677 ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n", 1678 snd_ac97_read(ac97,AC97_GPIO_CFG)); 1679 */ 1680 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1681 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1682 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1683 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1684 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1685 1686 /* build modem switches */ 1687 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1688 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1689 return err; 1690 1691 /* build chip specific controls */ 1692 if (ac97->build_ops->build_specific) 1693 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1694 return err; 1695 1696 return 0; 1697 } 1698 1699 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1700 { 1701 unsigned short val; 1702 unsigned int tmp; 1703 1704 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1705 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1706 if (shadow_reg) 1707 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1708 val = snd_ac97_read(ac97, reg); 1709 return val == (tmp & 0xffff); 1710 } 1711 1712 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1713 { 1714 unsigned int result = 0; 1715 unsigned short saved; 1716 1717 if (ac97->bus->no_vra) { 1718 *r_result = SNDRV_PCM_RATE_48000; 1719 if ((ac97->flags & AC97_DOUBLE_RATE) && 1720 reg == AC97_PCM_FRONT_DAC_RATE) 1721 *r_result |= SNDRV_PCM_RATE_96000; 1722 return; 1723 } 1724 1725 saved = snd_ac97_read(ac97, reg); 1726 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1727 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1728 AC97_EA_DRA, 0); 1729 /* test a non-standard rate */ 1730 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1731 result |= SNDRV_PCM_RATE_CONTINUOUS; 1732 /* let's try to obtain standard rates */ 1733 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1734 result |= SNDRV_PCM_RATE_8000; 1735 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1736 result |= SNDRV_PCM_RATE_11025; 1737 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1738 result |= SNDRV_PCM_RATE_16000; 1739 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1740 result |= SNDRV_PCM_RATE_22050; 1741 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1742 result |= SNDRV_PCM_RATE_32000; 1743 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1744 result |= SNDRV_PCM_RATE_44100; 1745 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1746 result |= SNDRV_PCM_RATE_48000; 1747 if ((ac97->flags & AC97_DOUBLE_RATE) && 1748 reg == AC97_PCM_FRONT_DAC_RATE) { 1749 /* test standard double rates */ 1750 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1751 AC97_EA_DRA, AC97_EA_DRA); 1752 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1753 result |= SNDRV_PCM_RATE_64000; 1754 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1755 result |= SNDRV_PCM_RATE_88200; 1756 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1757 result |= SNDRV_PCM_RATE_96000; 1758 /* some codecs don't support variable double rates */ 1759 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1760 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1761 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1762 AC97_EA_DRA, 0); 1763 } 1764 /* restore the default value */ 1765 snd_ac97_write_cache(ac97, reg, saved); 1766 if (shadow_reg) 1767 snd_ac97_write_cache(ac97, shadow_reg, saved); 1768 *r_result = result; 1769 } 1770 1771 /* check AC97_SPDIF register to accept which sample rates */ 1772 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1773 { 1774 unsigned int result = 0; 1775 int i; 1776 static unsigned short ctl_bits[] = { 1777 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1778 }; 1779 static unsigned int rate_bits[] = { 1780 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1781 }; 1782 1783 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1784 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1785 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1786 result |= rate_bits[i]; 1787 } 1788 return result; 1789 } 1790 1791 /* look for the codec id table matching with the given id */ 1792 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1793 unsigned int id) 1794 { 1795 const struct ac97_codec_id *pid; 1796 1797 for (pid = table; pid->id; pid++) 1798 if (pid->id == (id & pid->mask)) 1799 return pid; 1800 return NULL; 1801 } 1802 1803 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1804 { 1805 const struct ac97_codec_id *pid; 1806 1807 sprintf(name, "0x%x %c%c%c", id, 1808 printable(id >> 24), 1809 printable(id >> 16), 1810 printable(id >> 8)); 1811 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1812 if (! pid) 1813 return; 1814 1815 strcpy(name, pid->name); 1816 if (ac97 && pid->patch) { 1817 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1818 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1819 pid->patch(ac97); 1820 } 1821 1822 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1823 if (pid) { 1824 strcat(name, " "); 1825 strcat(name, pid->name); 1826 if (pid->mask != 0xffffffff) 1827 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1828 if (ac97 && pid->patch) { 1829 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1830 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1831 pid->patch(ac97); 1832 } 1833 } else 1834 sprintf(name + strlen(name), " id %x", id & 0xff); 1835 } 1836 1837 /** 1838 * snd_ac97_get_short_name - retrieve codec name 1839 * @ac97: the codec instance 1840 * 1841 * Return: The short identifying name of the codec. 1842 */ 1843 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1844 { 1845 const struct ac97_codec_id *pid; 1846 1847 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1848 if (pid->id == (ac97->id & pid->mask)) 1849 return pid->name; 1850 return "unknown codec"; 1851 } 1852 1853 EXPORT_SYMBOL(snd_ac97_get_short_name); 1854 1855 /* wait for a while until registers are accessible after RESET 1856 * return 0 if ok, negative not ready 1857 */ 1858 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1859 { 1860 unsigned long end_time; 1861 unsigned short val; 1862 1863 end_time = jiffies + timeout; 1864 do { 1865 1866 /* use preliminary reads to settle the communication */ 1867 snd_ac97_read(ac97, AC97_RESET); 1868 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1869 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1870 /* modem? */ 1871 if (with_modem) { 1872 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1873 if (val != 0xffff && (val & 1) != 0) 1874 return 0; 1875 } 1876 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1877 /* probably only Xbox issue - all registers are read as zero */ 1878 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1879 if (val != 0 && val != 0xffff) 1880 return 0; 1881 } else { 1882 /* because the PCM or MASTER volume registers can be modified, 1883 * the REC_GAIN register is used for tests 1884 */ 1885 /* test if we can write to the record gain volume register */ 1886 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1887 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1888 return 0; 1889 } 1890 schedule_timeout_uninterruptible(1); 1891 } while (time_after_eq(end_time, jiffies)); 1892 return -ENODEV; 1893 } 1894 1895 /** 1896 * snd_ac97_bus - create an AC97 bus component 1897 * @card: the card instance 1898 * @num: the bus number 1899 * @ops: the bus callbacks table 1900 * @private_data: private data pointer for the new instance 1901 * @rbus: the pointer to store the new AC97 bus instance. 1902 * 1903 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1904 * allocated and initialized. 1905 * 1906 * The ops table must include valid callbacks (at least read and 1907 * write). The other callbacks, wait and reset, are not mandatory. 1908 * 1909 * The clock is set to 48000. If another clock is needed, set 1910 * (*rbus)->clock manually. 1911 * 1912 * The AC97 bus instance is registered as a low-level device, so you don't 1913 * have to release it manually. 1914 * 1915 * Return: Zero if successful, or a negative error code on failure. 1916 */ 1917 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1918 void *private_data, struct snd_ac97_bus **rbus) 1919 { 1920 int err; 1921 struct snd_ac97_bus *bus; 1922 static struct snd_device_ops dev_ops = { 1923 .dev_free = snd_ac97_bus_dev_free, 1924 }; 1925 1926 if (snd_BUG_ON(!card)) 1927 return -EINVAL; 1928 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1929 if (bus == NULL) 1930 return -ENOMEM; 1931 bus->card = card; 1932 bus->num = num; 1933 bus->ops = ops; 1934 bus->private_data = private_data; 1935 bus->clock = 48000; 1936 spin_lock_init(&bus->bus_lock); 1937 snd_ac97_bus_proc_init(bus); 1938 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1939 snd_ac97_bus_free(bus); 1940 return err; 1941 } 1942 if (rbus) 1943 *rbus = bus; 1944 return 0; 1945 } 1946 1947 EXPORT_SYMBOL(snd_ac97_bus); 1948 1949 /* stop no dev release warning */ 1950 static void ac97_device_release(struct device * dev) 1951 { 1952 } 1953 1954 /* register ac97 codec to bus */ 1955 static int snd_ac97_dev_register(struct snd_device *device) 1956 { 1957 struct snd_ac97 *ac97 = device->device_data; 1958 int err; 1959 1960 ac97->dev.bus = &ac97_bus_type; 1961 ac97->dev.parent = ac97->bus->card->dev; 1962 ac97->dev.release = ac97_device_release; 1963 dev_set_name(&ac97->dev, "%d-%d:%s", 1964 ac97->bus->card->number, ac97->num, 1965 snd_ac97_get_short_name(ac97)); 1966 if ((err = device_register(&ac97->dev)) < 0) { 1967 ac97_err(ac97, "Can't register ac97 bus\n"); 1968 ac97->dev.bus = NULL; 1969 return err; 1970 } 1971 return 0; 1972 } 1973 1974 /* disconnect ac97 codec */ 1975 static int snd_ac97_dev_disconnect(struct snd_device *device) 1976 { 1977 struct snd_ac97 *ac97 = device->device_data; 1978 if (ac97->dev.bus) 1979 device_unregister(&ac97->dev); 1980 return 0; 1981 } 1982 1983 /* build_ops to do nothing */ 1984 static const struct snd_ac97_build_ops null_build_ops; 1985 1986 #ifdef CONFIG_SND_AC97_POWER_SAVE 1987 static void do_update_power(struct work_struct *work) 1988 { 1989 update_power_regs( 1990 container_of(work, struct snd_ac97, power_work.work)); 1991 } 1992 #endif 1993 1994 /** 1995 * snd_ac97_mixer - create an Codec97 component 1996 * @bus: the AC97 bus which codec is attached to 1997 * @template: the template of ac97, including index, callbacks and 1998 * the private data. 1999 * @rac97: the pointer to store the new ac97 instance. 2000 * 2001 * Creates an Codec97 component. An struct snd_ac97 instance is newly 2002 * allocated and initialized from the template. The codec 2003 * is then initialized by the standard procedure. 2004 * 2005 * The template must include the codec number (num) and address (addr), 2006 * and the private data (private_data). 2007 * 2008 * The ac97 instance is registered as a low-level device, so you don't 2009 * have to release it manually. 2010 * 2011 * Return: Zero if successful, or a negative error code on failure. 2012 */ 2013 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 2014 { 2015 int err; 2016 struct snd_ac97 *ac97; 2017 struct snd_card *card; 2018 char name[64]; 2019 unsigned long end_time; 2020 unsigned int reg; 2021 const struct ac97_codec_id *pid; 2022 static struct snd_device_ops ops = { 2023 .dev_free = snd_ac97_dev_free, 2024 .dev_register = snd_ac97_dev_register, 2025 .dev_disconnect = snd_ac97_dev_disconnect, 2026 }; 2027 2028 if (rac97) 2029 *rac97 = NULL; 2030 if (snd_BUG_ON(!bus || !template)) 2031 return -EINVAL; 2032 if (snd_BUG_ON(template->num >= 4)) 2033 return -EINVAL; 2034 if (bus->codec[template->num]) 2035 return -EBUSY; 2036 2037 card = bus->card; 2038 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 2039 if (ac97 == NULL) 2040 return -ENOMEM; 2041 ac97->private_data = template->private_data; 2042 ac97->private_free = template->private_free; 2043 ac97->bus = bus; 2044 ac97->pci = template->pci; 2045 ac97->num = template->num; 2046 ac97->addr = template->addr; 2047 ac97->scaps = template->scaps; 2048 ac97->res_table = template->res_table; 2049 bus->codec[ac97->num] = ac97; 2050 mutex_init(&ac97->reg_mutex); 2051 mutex_init(&ac97->page_mutex); 2052 #ifdef CONFIG_SND_AC97_POWER_SAVE 2053 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2054 #endif 2055 2056 #ifdef CONFIG_PCI 2057 if (ac97->pci) { 2058 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2059 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2060 } 2061 #endif 2062 if (bus->ops->reset) { 2063 bus->ops->reset(ac97); 2064 goto __access_ok; 2065 } 2066 2067 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2068 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2069 if (ac97->id && ac97->id != (unsigned int)-1) { 2070 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2071 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2072 goto __access_ok; 2073 } 2074 2075 /* reset to defaults */ 2076 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2077 snd_ac97_write(ac97, AC97_RESET, 0); 2078 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2079 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2080 if (bus->ops->wait) 2081 bus->ops->wait(ac97); 2082 else { 2083 udelay(50); 2084 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2085 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2086 else { 2087 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2088 if (err < 0) 2089 err = ac97_reset_wait(ac97, 2090 msecs_to_jiffies(500), 1); 2091 } 2092 if (err < 0) { 2093 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n", 2094 ac97->num); 2095 /* proceed anyway - it's often non-critical */ 2096 } 2097 } 2098 __access_ok: 2099 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2100 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2101 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2102 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2103 ac97_err(ac97, 2104 "AC'97 %d access is not valid [0x%x], removing mixer.\n", 2105 ac97->num, ac97->id); 2106 snd_ac97_free(ac97); 2107 return -EIO; 2108 } 2109 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2110 if (pid) 2111 ac97->flags |= pid->flags; 2112 2113 /* test for AC'97 */ 2114 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2115 /* test if we can write to the record gain volume register */ 2116 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2117 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 2118 ac97->scaps |= AC97_SCAP_AUDIO; 2119 } 2120 if (ac97->scaps & AC97_SCAP_AUDIO) { 2121 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2122 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2123 if (ac97->ext_id == 0xffff) /* invalid combination */ 2124 ac97->ext_id = 0; 2125 } 2126 2127 /* test for MC'97 */ 2128 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2129 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2130 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2131 ac97->ext_mid = 0; 2132 if (ac97->ext_mid & 1) 2133 ac97->scaps |= AC97_SCAP_MODEM; 2134 } 2135 2136 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2137 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2138 ac97_err(ac97, 2139 "AC'97 %d access error (not audio or modem codec)\n", 2140 ac97->num); 2141 snd_ac97_free(ac97); 2142 return -EACCES; 2143 } 2144 2145 if (bus->ops->reset) // FIXME: always skipping? 2146 goto __ready_ok; 2147 2148 /* FIXME: add powerdown control */ 2149 if (ac97_is_audio(ac97)) { 2150 /* nothing should be in powerdown mode */ 2151 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2152 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2153 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2154 udelay(100); 2155 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2156 } 2157 /* nothing should be in powerdown mode */ 2158 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2159 end_time = jiffies + msecs_to_jiffies(5000); 2160 do { 2161 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2162 goto __ready_ok; 2163 schedule_timeout_uninterruptible(1); 2164 } while (time_after_eq(end_time, jiffies)); 2165 ac97_warn(ac97, 2166 "AC'97 %d analog subsections not ready\n", ac97->num); 2167 } 2168 2169 /* FIXME: add powerdown control */ 2170 if (ac97_is_modem(ac97)) { 2171 unsigned char tmp; 2172 2173 /* nothing should be in powerdown mode */ 2174 /* note: it's important to set the rate at first */ 2175 tmp = AC97_MEA_GPIO; 2176 if (ac97->ext_mid & AC97_MEI_LINE1) { 2177 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2178 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2179 } 2180 if (ac97->ext_mid & AC97_MEI_LINE2) { 2181 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2182 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2183 } 2184 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2185 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2186 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2187 } 2188 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2189 udelay(100); 2190 /* nothing should be in powerdown mode */ 2191 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2192 end_time = jiffies + msecs_to_jiffies(100); 2193 do { 2194 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2195 goto __ready_ok; 2196 schedule_timeout_uninterruptible(1); 2197 } while (time_after_eq(end_time, jiffies)); 2198 ac97_warn(ac97, 2199 "MC'97 %d converters and GPIO not ready (0x%x)\n", 2200 ac97->num, 2201 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2202 } 2203 2204 __ready_ok: 2205 if (ac97_is_audio(ac97)) 2206 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2207 else 2208 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2209 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2210 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2211 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2212 if (! bus->no_vra) 2213 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2214 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2215 } 2216 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2217 /* Intel controllers require double rate data to be put in 2218 * slots 7+8, so let's hope the codec supports it. */ 2219 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2220 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2221 ac97->flags |= AC97_DOUBLE_RATE; 2222 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2223 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2224 } 2225 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2226 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2227 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2228 } else { 2229 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2230 if (ac97->flags & AC97_DOUBLE_RATE) 2231 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2232 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2233 } 2234 if (ac97->ext_id & AC97_EI_SPDIF) { 2235 /* codec specific code (patch) should override these values */ 2236 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2237 } 2238 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2239 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2240 } else { 2241 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2242 } 2243 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2244 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2245 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2246 } 2247 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2248 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2249 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2250 } 2251 /* additional initializations */ 2252 if (bus->ops->init) 2253 bus->ops->init(ac97); 2254 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2255 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2256 if (! ac97->build_ops) 2257 ac97->build_ops = &null_build_ops; 2258 2259 if (ac97_is_audio(ac97)) { 2260 char comp[16]; 2261 if (card->mixername[0] == '\0') { 2262 strcpy(card->mixername, name); 2263 } else { 2264 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2265 strcat(card->mixername, ","); 2266 strcat(card->mixername, name); 2267 } 2268 } 2269 sprintf(comp, "AC97a:%08x", ac97->id); 2270 if ((err = snd_component_add(card, comp)) < 0) { 2271 snd_ac97_free(ac97); 2272 return err; 2273 } 2274 if (snd_ac97_mixer_build(ac97) < 0) { 2275 snd_ac97_free(ac97); 2276 return -ENOMEM; 2277 } 2278 } 2279 if (ac97_is_modem(ac97)) { 2280 char comp[16]; 2281 if (card->mixername[0] == '\0') { 2282 strcpy(card->mixername, name); 2283 } else { 2284 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2285 strcat(card->mixername, ","); 2286 strcat(card->mixername, name); 2287 } 2288 } 2289 sprintf(comp, "AC97m:%08x", ac97->id); 2290 if ((err = snd_component_add(card, comp)) < 0) { 2291 snd_ac97_free(ac97); 2292 return err; 2293 } 2294 if (snd_ac97_modem_build(card, ac97) < 0) { 2295 snd_ac97_free(ac97); 2296 return -ENOMEM; 2297 } 2298 } 2299 if (ac97_is_audio(ac97)) 2300 update_power_regs(ac97); 2301 snd_ac97_proc_init(ac97); 2302 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2303 snd_ac97_free(ac97); 2304 return err; 2305 } 2306 *rac97 = ac97; 2307 return 0; 2308 } 2309 2310 EXPORT_SYMBOL(snd_ac97_mixer); 2311 2312 /* 2313 * Power down the chip. 2314 * 2315 * MASTER and HEADPHONE registers are muted but the register cache values 2316 * are not changed, so that the values can be restored in snd_ac97_resume(). 2317 */ 2318 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2319 { 2320 unsigned short power; 2321 2322 if (ac97_is_audio(ac97)) { 2323 /* some codecs have stereo mute bits */ 2324 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2325 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2326 } 2327 2328 /* surround, CLFE, mic powerdown */ 2329 power = ac97->regs[AC97_EXTENDED_STATUS]; 2330 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2331 power |= AC97_EA_PRJ; 2332 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2333 power |= AC97_EA_PRI | AC97_EA_PRK; 2334 power |= AC97_EA_PRL; 2335 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2336 2337 /* powerdown external amplifier */ 2338 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2339 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2340 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2341 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2342 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2343 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2344 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2345 udelay(100); 2346 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ 2347 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2348 if (ac97_is_power_save_mode(ac97)) { 2349 power |= AC97_PD_PR3; /* Analog Mixer powerdown */ 2350 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2351 udelay(100); 2352 /* AC-link powerdown, internal Clk disable */ 2353 /* FIXME: this may cause click noises on some boards */ 2354 power |= AC97_PD_PR4 | AC97_PD_PR5; 2355 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2356 } 2357 } 2358 2359 2360 struct ac97_power_reg { 2361 unsigned short reg; 2362 unsigned short power_reg; 2363 unsigned short mask; 2364 }; 2365 2366 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2367 2368 static struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2369 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2370 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2371 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2372 AC97_EA_PRI | AC97_EA_PRK}, 2373 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2374 AC97_EA_PRJ}, 2375 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2376 AC97_EA_PRL}, 2377 }; 2378 2379 #ifdef CONFIG_SND_AC97_POWER_SAVE 2380 /** 2381 * snd_ac97_update_power - update the powerdown register 2382 * @ac97: the codec instance 2383 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2384 * @powerup: non-zero when power up the part 2385 * 2386 * Update the AC97 powerdown register bits of the given part. 2387 * 2388 * Return: Zero. 2389 */ 2390 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2391 { 2392 int i; 2393 2394 if (! ac97) 2395 return 0; 2396 2397 if (reg) { 2398 /* SPDIF requires DAC power, too */ 2399 if (reg == AC97_SPDIF) 2400 reg = AC97_PCM_FRONT_DAC_RATE; 2401 for (i = 0; i < PWIDX_SIZE; i++) { 2402 if (power_regs[i].reg == reg) { 2403 if (powerup) 2404 ac97->power_up |= (1 << i); 2405 else 2406 ac97->power_up &= ~(1 << i); 2407 break; 2408 } 2409 } 2410 } 2411 2412 if (ac97_is_power_save_mode(ac97) && !powerup) 2413 /* adjust power-down bits after two seconds delay 2414 * (for avoiding loud click noises for many (OSS) apps 2415 * that open/close frequently) 2416 */ 2417 schedule_delayed_work(&ac97->power_work, 2418 msecs_to_jiffies(power_save * 1000)); 2419 else { 2420 cancel_delayed_work(&ac97->power_work); 2421 update_power_regs(ac97); 2422 } 2423 2424 return 0; 2425 } 2426 2427 EXPORT_SYMBOL(snd_ac97_update_power); 2428 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2429 2430 static void update_power_regs(struct snd_ac97 *ac97) 2431 { 2432 unsigned int power_up, bits; 2433 int i; 2434 2435 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2436 power_up |= (1 << PWIDX_MIC); 2437 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2438 power_up |= (1 << PWIDX_SURR); 2439 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2440 power_up |= (1 << PWIDX_CLFE); 2441 #ifdef CONFIG_SND_AC97_POWER_SAVE 2442 if (ac97_is_power_save_mode(ac97)) 2443 power_up = ac97->power_up; 2444 #endif 2445 if (power_up) { 2446 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2447 /* needs power-up analog mix and vref */ 2448 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2449 AC97_PD_PR3, 0); 2450 msleep(1); 2451 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2452 AC97_PD_PR2, 0); 2453 } 2454 } 2455 for (i = 0; i < PWIDX_SIZE; i++) { 2456 if (power_up & (1 << i)) 2457 bits = 0; 2458 else 2459 bits = power_regs[i].mask; 2460 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2461 power_regs[i].mask, bits); 2462 } 2463 if (! power_up) { 2464 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2465 /* power down analog mix and vref */ 2466 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2467 AC97_PD_PR2, AC97_PD_PR2); 2468 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2469 AC97_PD_PR3, AC97_PD_PR3); 2470 } 2471 } 2472 } 2473 2474 2475 #ifdef CONFIG_PM 2476 /** 2477 * snd_ac97_suspend - General suspend function for AC97 codec 2478 * @ac97: the ac97 instance 2479 * 2480 * Suspends the codec, power down the chip. 2481 */ 2482 void snd_ac97_suspend(struct snd_ac97 *ac97) 2483 { 2484 if (! ac97) 2485 return; 2486 if (ac97->build_ops->suspend) 2487 ac97->build_ops->suspend(ac97); 2488 #ifdef CONFIG_SND_AC97_POWER_SAVE 2489 cancel_delayed_work_sync(&ac97->power_work); 2490 #endif 2491 snd_ac97_powerdown(ac97); 2492 } 2493 2494 EXPORT_SYMBOL(snd_ac97_suspend); 2495 2496 /* 2497 * restore ac97 status 2498 */ 2499 static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2500 { 2501 int i; 2502 2503 for (i = 2; i < 0x7c ; i += 2) { 2504 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2505 continue; 2506 /* restore only accessible registers 2507 * some chip (e.g. nm256) may hang up when unsupported registers 2508 * are accessed..! 2509 */ 2510 if (test_bit(i, ac97->reg_accessed)) { 2511 snd_ac97_write(ac97, i, ac97->regs[i]); 2512 snd_ac97_read(ac97, i); 2513 } 2514 } 2515 } 2516 2517 /* 2518 * restore IEC958 status 2519 */ 2520 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2521 { 2522 if (ac97->ext_id & AC97_EI_SPDIF) { 2523 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2524 /* reset spdif status */ 2525 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2526 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2527 if (ac97->flags & AC97_CS_SPDIF) 2528 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2529 else 2530 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2531 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2532 } 2533 } 2534 } 2535 2536 /** 2537 * snd_ac97_resume - General resume function for AC97 codec 2538 * @ac97: the ac97 instance 2539 * 2540 * Do the standard resume procedure, power up and restoring the 2541 * old register values. 2542 */ 2543 void snd_ac97_resume(struct snd_ac97 *ac97) 2544 { 2545 unsigned long end_time; 2546 2547 if (! ac97) 2548 return; 2549 2550 if (ac97->bus->ops->reset) { 2551 ac97->bus->ops->reset(ac97); 2552 goto __reset_ready; 2553 } 2554 2555 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2556 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2557 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2558 snd_ac97_write(ac97, AC97_RESET, 0); 2559 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2560 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2561 udelay(100); 2562 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2563 } 2564 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2565 2566 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2567 if (ac97_is_audio(ac97)) { 2568 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2569 end_time = jiffies + msecs_to_jiffies(100); 2570 do { 2571 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2572 break; 2573 schedule_timeout_uninterruptible(1); 2574 } while (time_after_eq(end_time, jiffies)); 2575 /* FIXME: extra delay */ 2576 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO); 2577 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO) 2578 msleep(250); 2579 } else { 2580 end_time = jiffies + msecs_to_jiffies(100); 2581 do { 2582 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2583 if (val != 0xffff && (val & 1) != 0) 2584 break; 2585 schedule_timeout_uninterruptible(1); 2586 } while (time_after_eq(end_time, jiffies)); 2587 } 2588 __reset_ready: 2589 2590 if (ac97->bus->ops->init) 2591 ac97->bus->ops->init(ac97); 2592 2593 if (ac97->build_ops->resume) 2594 ac97->build_ops->resume(ac97); 2595 else { 2596 snd_ac97_restore_status(ac97); 2597 snd_ac97_restore_iec958(ac97); 2598 } 2599 } 2600 2601 EXPORT_SYMBOL(snd_ac97_resume); 2602 #endif 2603 2604 2605 /* 2606 * Hardware tuning 2607 */ 2608 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2609 { 2610 if (suffix) 2611 sprintf(dst, "%s %s", src, suffix); 2612 else 2613 strcpy(dst, src); 2614 } 2615 2616 /* remove the control with the given name and optional suffix */ 2617 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2618 const char *suffix) 2619 { 2620 struct snd_ctl_elem_id id; 2621 memset(&id, 0, sizeof(id)); 2622 set_ctl_name(id.name, name, suffix); 2623 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2624 return snd_ctl_remove_id(ac97->bus->card, &id); 2625 } 2626 2627 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2628 { 2629 struct snd_ctl_elem_id sid; 2630 memset(&sid, 0, sizeof(sid)); 2631 set_ctl_name(sid.name, name, suffix); 2632 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2633 return snd_ctl_find_id(ac97->bus->card, &sid); 2634 } 2635 2636 /* rename the control with the given name and optional suffix */ 2637 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2638 const char *dst, const char *suffix) 2639 { 2640 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2641 if (kctl) { 2642 set_ctl_name(kctl->id.name, dst, suffix); 2643 return 0; 2644 } 2645 return -ENOENT; 2646 } 2647 2648 /* rename both Volume and Switch controls - don't check the return value */ 2649 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2650 const char *dst) 2651 { 2652 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2653 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2654 } 2655 2656 /* swap controls */ 2657 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2658 const char *s2, const char *suffix) 2659 { 2660 struct snd_kcontrol *kctl1, *kctl2; 2661 kctl1 = ctl_find(ac97, s1, suffix); 2662 kctl2 = ctl_find(ac97, s2, suffix); 2663 if (kctl1 && kctl2) { 2664 set_ctl_name(kctl1->id.name, s2, suffix); 2665 set_ctl_name(kctl2->id.name, s1, suffix); 2666 return 0; 2667 } 2668 return -ENOENT; 2669 } 2670 2671 #if 1 2672 /* bind hp and master controls instead of using only hp control */ 2673 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2674 { 2675 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2676 if (err > 0) { 2677 unsigned long priv_saved = kcontrol->private_value; 2678 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2679 snd_ac97_put_volsw(kcontrol, ucontrol); 2680 kcontrol->private_value = priv_saved; 2681 } 2682 return err; 2683 } 2684 2685 /* ac97 tune: bind Master and Headphone controls */ 2686 static int tune_hp_only(struct snd_ac97 *ac97) 2687 { 2688 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2689 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2690 if (! msw || ! mvol) 2691 return -ENOENT; 2692 msw->put = bind_hp_volsw_put; 2693 mvol->put = bind_hp_volsw_put; 2694 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2695 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2696 return 0; 2697 } 2698 2699 #else 2700 /* ac97 tune: use Headphone control as master */ 2701 static int tune_hp_only(struct snd_ac97 *ac97) 2702 { 2703 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2704 return -ENOENT; 2705 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2706 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2707 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2708 return 0; 2709 } 2710 #endif 2711 2712 /* ac97 tune: swap Headphone and Master controls */ 2713 static int tune_swap_hp(struct snd_ac97 *ac97) 2714 { 2715 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2716 return -ENOENT; 2717 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2718 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2719 return 0; 2720 } 2721 2722 /* ac97 tune: swap Surround and Master controls */ 2723 static int tune_swap_surround(struct snd_ac97 *ac97) 2724 { 2725 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2726 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2727 return -ENOENT; 2728 return 0; 2729 } 2730 2731 /* ac97 tune: set up mic sharing for AD codecs */ 2732 static int tune_ad_sharing(struct snd_ac97 *ac97) 2733 { 2734 unsigned short scfg; 2735 if ((ac97->id & 0xffffff00) != 0x41445300) { 2736 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n"); 2737 return -EINVAL; 2738 } 2739 /* Turn on OMS bit to route microphone to back panel */ 2740 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2741 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2742 return 0; 2743 } 2744 2745 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2746 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2747 2748 /* ac97 tune: set up ALC jack-select */ 2749 static int tune_alc_jack(struct snd_ac97 *ac97) 2750 { 2751 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2752 ac97_err(ac97, 2753 "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2754 return -EINVAL; 2755 } 2756 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2757 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2758 if (ac97->id == AC97_ID_ALC658D) 2759 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2760 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2761 } 2762 2763 /* ac97 tune: inversed EAPD bit */ 2764 static int tune_inv_eapd(struct snd_ac97 *ac97) 2765 { 2766 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2767 if (! kctl) 2768 return -ENOENT; 2769 set_inv_eapd(ac97, kctl); 2770 return 0; 2771 } 2772 2773 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2774 { 2775 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2776 if (err > 0) { 2777 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2778 int shift = (kcontrol->private_value >> 8) & 0x0f; 2779 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2780 unsigned short mask; 2781 if (shift != rshift) 2782 mask = AC97_MUTE_MASK_STEREO; 2783 else 2784 mask = AC97_MUTE_MASK_MONO; 2785 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2786 (ac97->regs[AC97_MASTER] & mask) == mask ? 2787 AC97_PD_EAPD : 0); 2788 } 2789 return err; 2790 } 2791 2792 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2793 static int tune_mute_led(struct snd_ac97 *ac97) 2794 { 2795 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2796 if (! msw) 2797 return -ENOENT; 2798 msw->put = master_mute_sw_put; 2799 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2800 snd_ac97_update_bits( 2801 ac97, AC97_POWERDOWN, 2802 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2803 ); 2804 ac97->scaps |= AC97_SCAP_EAPD_LED; 2805 return 0; 2806 } 2807 2808 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2809 struct snd_ctl_elem_value *ucontrol) 2810 { 2811 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2812 if (err > 0) { 2813 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2814 int shift = (kcontrol->private_value >> 8) & 0x0f; 2815 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2816 unsigned short mask; 2817 if (shift != rshift) 2818 mask = AC97_MUTE_MASK_STEREO; 2819 else 2820 mask = AC97_MUTE_MASK_MONO; 2821 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2822 (ac97->regs[AC97_MASTER] & mask) == mask ? 2823 AC97_PD_EAPD : 0); 2824 } 2825 return err; 2826 } 2827 2828 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2829 { 2830 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2831 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2832 if (! msw || ! mvol) 2833 return -ENOENT; 2834 msw->put = hp_master_mute_sw_put; 2835 mvol->put = bind_hp_volsw_put; 2836 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2837 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2838 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2839 snd_ac97_update_bits( 2840 ac97, AC97_POWERDOWN, 2841 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2842 ); 2843 return 0; 2844 } 2845 2846 struct quirk_table { 2847 const char *name; 2848 int (*func)(struct snd_ac97 *); 2849 }; 2850 2851 static struct quirk_table applicable_quirks[] = { 2852 { "none", NULL }, 2853 { "hp_only", tune_hp_only }, 2854 { "swap_hp", tune_swap_hp }, 2855 { "swap_surround", tune_swap_surround }, 2856 { "ad_sharing", tune_ad_sharing }, 2857 { "alc_jack", tune_alc_jack }, 2858 { "inv_eapd", tune_inv_eapd }, 2859 { "mute_led", tune_mute_led }, 2860 { "hp_mute_led", tune_hp_mute_led }, 2861 }; 2862 2863 /* apply the quirk with the given type */ 2864 static int apply_quirk(struct snd_ac97 *ac97, int type) 2865 { 2866 if (type <= 0) 2867 return 0; 2868 else if (type >= ARRAY_SIZE(applicable_quirks)) 2869 return -EINVAL; 2870 if (applicable_quirks[type].func) 2871 return applicable_quirks[type].func(ac97); 2872 return 0; 2873 } 2874 2875 /* apply the quirk with the given name */ 2876 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2877 { 2878 int i; 2879 struct quirk_table *q; 2880 2881 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2882 q = &applicable_quirks[i]; 2883 if (q->name && ! strcmp(typestr, q->name)) 2884 return apply_quirk(ac97, i); 2885 } 2886 /* for compatibility, accept the numbers, too */ 2887 if (*typestr >= '0' && *typestr <= '9') 2888 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2889 return -EINVAL; 2890 } 2891 2892 /** 2893 * snd_ac97_tune_hardware - tune up the hardware 2894 * @ac97: the ac97 instance 2895 * @quirk: quirk list 2896 * @override: explicit quirk value (overrides the list if non-NULL) 2897 * 2898 * Do some workaround for each pci device, such as renaming of the 2899 * headphone (true line-out) control as "Master". 2900 * The quirk-list must be terminated with a zero-filled entry. 2901 * 2902 * Return: Zero if successful, or a negative error code on failure. 2903 */ 2904 2905 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, 2906 const struct ac97_quirk *quirk, const char *override) 2907 { 2908 int result; 2909 2910 /* quirk overriden? */ 2911 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2912 result = apply_quirk_str(ac97, override); 2913 if (result < 0) 2914 ac97_err(ac97, "applying quirk type %s failed (%d)\n", 2915 override, result); 2916 return result; 2917 } 2918 2919 if (! quirk) 2920 return -EINVAL; 2921 2922 for (; quirk->subvendor; quirk++) { 2923 if (quirk->subvendor != ac97->subsystem_vendor) 2924 continue; 2925 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2926 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2927 if (quirk->codec_id && quirk->codec_id != ac97->id) 2928 continue; 2929 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n", 2930 quirk->name, ac97->subsystem_vendor, 2931 ac97->subsystem_device); 2932 result = apply_quirk(ac97, quirk->type); 2933 if (result < 0) 2934 ac97_err(ac97, 2935 "applying quirk type %d for %s failed (%d)\n", 2936 quirk->type, quirk->name, result); 2937 return result; 2938 } 2939 } 2940 return 0; 2941 } 2942 2943 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2944 2945 /* 2946 * INIT part 2947 */ 2948 2949 static int __init alsa_ac97_init(void) 2950 { 2951 return 0; 2952 } 2953 2954 static void __exit alsa_ac97_exit(void) 2955 { 2956 } 2957 2958 module_init(alsa_ac97_init) 2959 module_exit(alsa_ac97_exit) 2960