1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 4 * Universal interface for Audio Codec '97 5 * 6 * For more details look to AC '97 component specification revision 2.2 7 * by Intel Corporation (http://developer.intel.com). 8 */ 9 10 #include <linux/delay.h> 11 #include <linux/init.h> 12 #include <linux/slab.h> 13 #include <linux/pci.h> 14 #include <linux/module.h> 15 #include <linux/mutex.h> 16 #include <sound/core.h> 17 #include <sound/pcm.h> 18 #include <sound/tlv.h> 19 #include <sound/ac97_codec.h> 20 #include <sound/asoundef.h> 21 #include <sound/initval.h> 22 #include "ac97_id.h" 23 24 #include "ac97_patch.c" 25 26 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 27 MODULE_DESCRIPTION("Universal interface for Audio Codec '97"); 28 MODULE_LICENSE("GPL"); 29 30 static bool enable_loopback; 31 32 module_param(enable_loopback, bool, 0444); 33 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control"); 34 35 #ifdef CONFIG_SND_AC97_POWER_SAVE 36 static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT; 37 module_param(power_save, int, 0644); 38 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout " 39 "(in second, 0 = disable)."); 40 #endif 41 /* 42 43 */ 44 45 struct ac97_codec_id { 46 unsigned int id; 47 unsigned int mask; 48 const char *name; 49 int (*patch)(struct snd_ac97 *ac97); 50 int (*mpatch)(struct snd_ac97 *ac97); 51 unsigned int flags; 52 }; 53 54 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = { 55 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, 56 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, 57 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, 58 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL }, 59 /* 60 * This is an _inofficial_ Aztech Labs entry 61 * (value might differ from unknown official Aztech ID), 62 * currently used by the AC97 emulation of the almost-AC97 PCI168 card. 63 */ 64 { 0x415a5400, 0xffffff00, "Aztech Labs (emulated)", NULL, NULL }, 65 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, 66 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, 67 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, 68 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, 69 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, 70 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, 71 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, 72 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, 73 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, 74 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, 75 { 0x50534300, 0xffffff00, "Philips", NULL, NULL }, 76 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, 77 { 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL }, 78 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, 79 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, 80 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, 81 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, 82 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, 83 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, 84 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, 85 { 0, 0, NULL, NULL, NULL } 86 }; 87 88 static const struct ac97_codec_id snd_ac97_codec_ids[] = { 89 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, 90 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, 91 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, 92 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, 93 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, 94 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, 95 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, 96 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, 97 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, 98 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, 99 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, 100 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, 101 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL }, 102 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, 103 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, 104 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, 105 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, 106 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, 107 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, 108 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, 109 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ 110 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ 111 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ 112 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, 113 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 114 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 115 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 116 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, 117 { 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL }, 118 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ 119 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 120 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 121 { 0x415a5401, 0xffffffff, "AZF3328", patch_aztech_azf3328, NULL }, 122 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, 123 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, 124 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, 125 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL }, 126 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL }, 127 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL }, 128 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, 129 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, 130 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, 131 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, 132 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, 133 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, 134 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, 135 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, 136 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, 137 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II 138 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different 139 { 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL }, 140 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL }, 141 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 142 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028? 143 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 144 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 145 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 146 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 147 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 148 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 149 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 150 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 151 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 152 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 153 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 154 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix 155 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL }, 156 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 157 { 0x53544d02, 0xffffffff, "ST7597", NULL, NULL }, 158 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 159 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL }, 160 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 161 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 162 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 163 { 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL }, 164 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 165 { 0x56494120, 0xfffffff0, "VIA1613", patch_vt1613, NULL }, 166 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 167 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 168 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL }, 169 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 170 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL }, 171 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 172 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 173 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 174 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 175 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL}, 176 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 177 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL }, 178 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 179 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 180 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 181 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 182 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 183 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 184 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 185 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 186 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 187 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 188 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 189 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 190 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 191 { 0, 0, NULL, NULL, NULL } 192 }; 193 194 195 static void update_power_regs(struct snd_ac97 *ac97); 196 #ifdef CONFIG_SND_AC97_POWER_SAVE 197 #define ac97_is_power_save_mode(ac97) \ 198 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save) 199 #else 200 #define ac97_is_power_save_mode(ac97) 0 201 #endif 202 203 #define ac97_err(ac97, fmt, args...) \ 204 dev_err((ac97)->bus->card->dev, fmt, ##args) 205 #define ac97_warn(ac97, fmt, args...) \ 206 dev_warn((ac97)->bus->card->dev, fmt, ##args) 207 #define ac97_dbg(ac97, fmt, args...) \ 208 dev_dbg((ac97)->bus->card->dev, fmt, ##args) 209 210 /* 211 * I/O routines 212 */ 213 214 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 215 { 216 /* filter some registers for buggy codecs */ 217 switch (ac97->id) { 218 case AC97_ID_ST_AC97_ID4: 219 if (reg == 0x08) 220 return 0; 221 /* fall through */ 222 case AC97_ID_ST7597: 223 if (reg == 0x22 || reg == 0x7a) 224 return 1; 225 /* fall through */ 226 case AC97_ID_AK4540: 227 case AC97_ID_AK4542: 228 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 229 return 1; 230 return 0; 231 case AC97_ID_AD1819: /* AD1819 */ 232 case AC97_ID_AD1881: /* AD1881 */ 233 case AC97_ID_AD1881A: /* AD1881A */ 234 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 235 return 0; 236 return 1; 237 case AC97_ID_AD1885: /* AD1885 */ 238 case AC97_ID_AD1886: /* AD1886 */ 239 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 240 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 241 if (reg == 0x5a) 242 return 1; 243 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 244 return 0; 245 return 1; 246 case AC97_ID_STAC9700: 247 case AC97_ID_STAC9704: 248 case AC97_ID_STAC9705: 249 case AC97_ID_STAC9708: 250 case AC97_ID_STAC9721: 251 case AC97_ID_STAC9744: 252 case AC97_ID_STAC9756: 253 if (reg <= 0x3a || reg >= 0x5a) 254 return 1; 255 return 0; 256 } 257 return 1; 258 } 259 260 /** 261 * snd_ac97_write - write a value on the given register 262 * @ac97: the ac97 instance 263 * @reg: the register to change 264 * @value: the value to set 265 * 266 * Writes a value on the given register. This will invoke the write 267 * callback directly after the register check. 268 * This function doesn't change the register cache unlike 269 * #snd_ca97_write_cache(), so use this only when you don't want to 270 * reflect the change to the suspend/resume state. 271 */ 272 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 273 { 274 if (!snd_ac97_valid_reg(ac97, reg)) 275 return; 276 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 277 /* Fix H/W bug of ALC100/100P */ 278 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 279 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 280 } 281 ac97->bus->ops->write(ac97, reg, value); 282 } 283 284 EXPORT_SYMBOL(snd_ac97_write); 285 286 /** 287 * snd_ac97_read - read a value from the given register 288 * 289 * @ac97: the ac97 instance 290 * @reg: the register to read 291 * 292 * Reads a value from the given register. This will invoke the read 293 * callback directly after the register check. 294 * 295 * Return: The read value. 296 */ 297 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 298 { 299 if (!snd_ac97_valid_reg(ac97, reg)) 300 return 0; 301 return ac97->bus->ops->read(ac97, reg); 302 } 303 304 /* read a register - return the cached value if already read */ 305 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 306 { 307 if (! test_bit(reg, ac97->reg_accessed)) { 308 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 309 // set_bit(reg, ac97->reg_accessed); 310 } 311 return ac97->regs[reg]; 312 } 313 314 EXPORT_SYMBOL(snd_ac97_read); 315 316 /** 317 * snd_ac97_write_cache - write a value on the given register and update the cache 318 * @ac97: the ac97 instance 319 * @reg: the register to change 320 * @value: the value to set 321 * 322 * Writes a value on the given register and updates the register 323 * cache. The cached values are used for the cached-read and the 324 * suspend/resume. 325 */ 326 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 327 { 328 if (!snd_ac97_valid_reg(ac97, reg)) 329 return; 330 mutex_lock(&ac97->reg_mutex); 331 ac97->regs[reg] = value; 332 ac97->bus->ops->write(ac97, reg, value); 333 set_bit(reg, ac97->reg_accessed); 334 mutex_unlock(&ac97->reg_mutex); 335 } 336 337 EXPORT_SYMBOL(snd_ac97_write_cache); 338 339 /** 340 * snd_ac97_update - update the value on the given register 341 * @ac97: the ac97 instance 342 * @reg: the register to change 343 * @value: the value to set 344 * 345 * Compares the value with the register cache and updates the value 346 * only when the value is changed. 347 * 348 * Return: 1 if the value is changed, 0 if no change, or a negative 349 * code on failure. 350 */ 351 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 352 { 353 int change; 354 355 if (!snd_ac97_valid_reg(ac97, reg)) 356 return -EINVAL; 357 mutex_lock(&ac97->reg_mutex); 358 change = ac97->regs[reg] != value; 359 if (change) { 360 ac97->regs[reg] = value; 361 ac97->bus->ops->write(ac97, reg, value); 362 } 363 set_bit(reg, ac97->reg_accessed); 364 mutex_unlock(&ac97->reg_mutex); 365 return change; 366 } 367 368 EXPORT_SYMBOL(snd_ac97_update); 369 370 /** 371 * snd_ac97_update_bits - update the bits on the given register 372 * @ac97: the ac97 instance 373 * @reg: the register to change 374 * @mask: the bit-mask to change 375 * @value: the value to set 376 * 377 * Updates the masked-bits on the given register only when the value 378 * is changed. 379 * 380 * Return: 1 if the bits are changed, 0 if no change, or a negative 381 * code on failure. 382 */ 383 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 384 { 385 int change; 386 387 if (!snd_ac97_valid_reg(ac97, reg)) 388 return -EINVAL; 389 mutex_lock(&ac97->reg_mutex); 390 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 391 mutex_unlock(&ac97->reg_mutex); 392 return change; 393 } 394 395 EXPORT_SYMBOL(snd_ac97_update_bits); 396 397 /* no lock version - see snd_ac97_update_bits() */ 398 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 399 unsigned short mask, unsigned short value) 400 { 401 int change; 402 unsigned short old, new; 403 404 old = snd_ac97_read_cache(ac97, reg); 405 new = (old & ~mask) | (value & mask); 406 change = old != new; 407 if (change) { 408 ac97->regs[reg] = new; 409 ac97->bus->ops->write(ac97, reg, new); 410 } 411 set_bit(reg, ac97->reg_accessed); 412 return change; 413 } 414 415 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 416 { 417 int change; 418 unsigned short old, new, cfg; 419 420 mutex_lock(&ac97->page_mutex); 421 old = ac97->spec.ad18xx.pcmreg[codec]; 422 new = (old & ~mask) | (value & mask); 423 change = old != new; 424 if (change) { 425 mutex_lock(&ac97->reg_mutex); 426 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 427 ac97->spec.ad18xx.pcmreg[codec] = new; 428 /* select single codec */ 429 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 430 (cfg & ~0x7000) | 431 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 432 /* update PCM bits */ 433 ac97->bus->ops->write(ac97, AC97_PCM, new); 434 /* select all codecs */ 435 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 436 cfg | 0x7000); 437 mutex_unlock(&ac97->reg_mutex); 438 } 439 mutex_unlock(&ac97->page_mutex); 440 return change; 441 } 442 443 /* 444 * Controls 445 */ 446 447 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, 448 struct snd_ctl_elem_info *uinfo) 449 { 450 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 451 452 return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2, 453 e->mask, e->texts); 454 } 455 456 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, 457 struct snd_ctl_elem_value *ucontrol) 458 { 459 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 460 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 461 unsigned short val, bitmask; 462 463 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 464 ; 465 val = snd_ac97_read_cache(ac97, e->reg); 466 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 467 if (e->shift_l != e->shift_r) 468 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 469 470 return 0; 471 } 472 473 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, 474 struct snd_ctl_elem_value *ucontrol) 475 { 476 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 477 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 478 unsigned short val; 479 unsigned short mask, bitmask; 480 481 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 482 ; 483 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 484 return -EINVAL; 485 val = ucontrol->value.enumerated.item[0] << e->shift_l; 486 mask = (bitmask - 1) << e->shift_l; 487 if (e->shift_l != e->shift_r) { 488 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 489 return -EINVAL; 490 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 491 mask |= (bitmask - 1) << e->shift_r; 492 } 493 return snd_ac97_update_bits(ac97, e->reg, mask, val); 494 } 495 496 /* save/restore ac97 v2.3 paging */ 497 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 498 { 499 int page_save = -1; 500 if ((kcontrol->private_value & (1<<25)) && 501 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 502 (reg >= 0x60 && reg < 0x70)) { 503 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 504 mutex_lock(&ac97->page_mutex); /* lock paging */ 505 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 506 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 507 } 508 return page_save; 509 } 510 511 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 512 { 513 if (page_save >= 0) { 514 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 515 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 516 } 517 } 518 519 /* volume and switch controls */ 520 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, 521 struct snd_ctl_elem_info *uinfo) 522 { 523 int mask = (kcontrol->private_value >> 16) & 0xff; 524 int shift = (kcontrol->private_value >> 8) & 0x0f; 525 int rshift = (kcontrol->private_value >> 12) & 0x0f; 526 527 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 528 uinfo->count = shift == rshift ? 1 : 2; 529 uinfo->value.integer.min = 0; 530 uinfo->value.integer.max = mask; 531 return 0; 532 } 533 534 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, 535 struct snd_ctl_elem_value *ucontrol) 536 { 537 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 538 int reg = kcontrol->private_value & 0xff; 539 int shift = (kcontrol->private_value >> 8) & 0x0f; 540 int rshift = (kcontrol->private_value >> 12) & 0x0f; 541 int mask = (kcontrol->private_value >> 16) & 0xff; 542 int invert = (kcontrol->private_value >> 24) & 0x01; 543 int page_save; 544 545 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 546 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 547 if (shift != rshift) 548 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 549 if (invert) { 550 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 551 if (shift != rshift) 552 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 553 } 554 snd_ac97_page_restore(ac97, page_save); 555 return 0; 556 } 557 558 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, 559 struct snd_ctl_elem_value *ucontrol) 560 { 561 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 562 int reg = kcontrol->private_value & 0xff; 563 int shift = (kcontrol->private_value >> 8) & 0x0f; 564 int rshift = (kcontrol->private_value >> 12) & 0x0f; 565 int mask = (kcontrol->private_value >> 16) & 0xff; 566 int invert = (kcontrol->private_value >> 24) & 0x01; 567 int err, page_save; 568 unsigned short val, val2, val_mask; 569 570 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 571 val = (ucontrol->value.integer.value[0] & mask); 572 if (invert) 573 val = mask - val; 574 val_mask = mask << shift; 575 val = val << shift; 576 if (shift != rshift) { 577 val2 = (ucontrol->value.integer.value[1] & mask); 578 if (invert) 579 val2 = mask - val2; 580 val_mask |= mask << rshift; 581 val |= val2 << rshift; 582 } 583 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 584 snd_ac97_page_restore(ac97, page_save); 585 #ifdef CONFIG_SND_AC97_POWER_SAVE 586 /* check analog mixer power-down */ 587 if ((val_mask & AC97_PD_EAPD) && 588 (kcontrol->private_value & (1<<30))) { 589 if (val & AC97_PD_EAPD) 590 ac97->power_up &= ~(1 << (reg>>1)); 591 else 592 ac97->power_up |= 1 << (reg>>1); 593 update_power_regs(ac97); 594 } 595 #endif 596 return err; 597 } 598 599 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 600 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 601 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 602 }; 603 604 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 605 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 606 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 607 }; 608 609 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 610 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1), 611 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1) 612 }; 613 614 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 615 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 616 617 618 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 619 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 620 static const char* std_mix[] = {"Mix", "Mic"}; 621 static const char* std_mic[] = {"Mic1", "Mic2"}; 622 623 static const struct ac97_enum std_enum[] = { 624 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 625 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 626 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 627 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 628 }; 629 630 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 631 AC97_ENUM("Capture Source", std_enum[0]); 632 633 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 634 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 635 636 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 637 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 638 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 639 }; 640 641 enum { 642 AC97_GENERAL_PCM_OUT = 0, 643 AC97_GENERAL_STEREO_ENHANCEMENT, 644 AC97_GENERAL_3D, 645 AC97_GENERAL_LOUDNESS, 646 AC97_GENERAL_MONO, 647 AC97_GENERAL_MIC, 648 AC97_GENERAL_LOOPBACK 649 }; 650 651 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 652 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 653 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 654 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 655 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 656 AC97_ENUM("Mono Output Select", std_enum[2]), 657 AC97_ENUM("Mic Select", std_enum[3]), 658 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 659 }; 660 661 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 662 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 663 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 664 }; 665 666 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 667 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 668 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 669 }; 670 671 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 672 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 673 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 674 }; 675 676 static const struct snd_kcontrol_new snd_ac97_control_eapd = 677 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 678 679 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 680 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 681 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 682 }; 683 684 /* change the existing EAPD control as inverted */ 685 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 686 { 687 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 688 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 689 ac97->scaps |= AC97_SCAP_INV_EAPD; 690 } 691 692 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 693 { 694 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 695 uinfo->count = 1; 696 return 0; 697 } 698 699 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 700 { 701 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 702 IEC958_AES0_NONAUDIO | 703 IEC958_AES0_CON_EMPHASIS_5015 | 704 IEC958_AES0_CON_NOT_COPYRIGHT; 705 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 706 IEC958_AES1_CON_ORIGINAL; 707 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 708 return 0; 709 } 710 711 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 712 { 713 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 714 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 715 IEC958_AES0_NONAUDIO | 716 IEC958_AES0_PRO_FS | 717 IEC958_AES0_PRO_EMPHASIS_5015; 718 return 0; 719 } 720 721 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 722 { 723 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 724 725 mutex_lock(&ac97->reg_mutex); 726 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 727 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 728 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 729 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 730 mutex_unlock(&ac97->reg_mutex); 731 return 0; 732 } 733 734 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 735 { 736 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 737 unsigned int new = 0; 738 unsigned short val = 0; 739 int change; 740 741 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 742 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 743 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 744 switch (new & IEC958_AES0_PRO_FS) { 745 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 746 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 747 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 748 default: val |= 1<<12; break; 749 } 750 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 751 val |= 1<<3; 752 } else { 753 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 754 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 755 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 756 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 757 val |= 1<<3; 758 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 759 val |= 1<<2; 760 val |= ((new >> 8) & 0xff) << 4; // category + original 761 switch ((new >> 24) & 0xff) { 762 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 763 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 764 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 765 default: val |= 1<<12; break; 766 } 767 } 768 769 mutex_lock(&ac97->reg_mutex); 770 change = ac97->spdif_status != new; 771 ac97->spdif_status = new; 772 773 if (ac97->flags & AC97_CS_SPDIF) { 774 int x = (val >> 12) & 0x03; 775 switch (x) { 776 case 0: x = 1; break; // 44.1 777 case 2: x = 0; break; // 48.0 778 default: x = 0; break; // illegal. 779 } 780 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 781 } else if (ac97->flags & AC97_CX_SPDIF) { 782 int v; 783 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 784 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 785 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 786 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 787 v); 788 } else if (ac97->id == AC97_ID_YMF743) { 789 change |= snd_ac97_update_bits_nolock(ac97, 790 AC97_YMF7X3_DIT_CTRL, 791 0xff38, 792 ((val << 4) & 0xff00) | 793 ((val << 2) & 0x0038)); 794 } else { 795 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 796 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 797 798 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 799 if (extst & AC97_EA_SPDIF) { 800 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 801 } 802 } 803 mutex_unlock(&ac97->reg_mutex); 804 805 return change; 806 } 807 808 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 809 { 810 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 811 int reg = kcontrol->private_value & 0xff; 812 int shift = (kcontrol->private_value >> 8) & 0x0f; 813 int mask = (kcontrol->private_value >> 16) & 0xff; 814 // int invert = (kcontrol->private_value >> 24) & 0xff; 815 unsigned short value, old, new; 816 int change; 817 818 value = (ucontrol->value.integer.value[0] & mask); 819 820 mutex_lock(&ac97->reg_mutex); 821 mask <<= shift; 822 value <<= shift; 823 old = snd_ac97_read_cache(ac97, reg); 824 new = (old & ~mask) | value; 825 change = old != new; 826 827 if (change) { 828 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 829 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 830 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 831 if (extst & AC97_EA_SPDIF) 832 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 833 } 834 mutex_unlock(&ac97->reg_mutex); 835 return change; 836 } 837 838 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 839 { 840 .access = SNDRV_CTL_ELEM_ACCESS_READ, 841 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 842 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 843 .info = snd_ac97_spdif_mask_info, 844 .get = snd_ac97_spdif_cmask_get, 845 }, 846 { 847 .access = SNDRV_CTL_ELEM_ACCESS_READ, 848 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 849 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 850 .info = snd_ac97_spdif_mask_info, 851 .get = snd_ac97_spdif_pmask_get, 852 }, 853 { 854 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 855 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 856 .info = snd_ac97_spdif_mask_info, 857 .get = snd_ac97_spdif_default_get, 858 .put = snd_ac97_spdif_default_put, 859 }, 860 861 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 862 { 863 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 864 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 865 .info = snd_ac97_info_volsw, 866 .get = snd_ac97_get_volsw, 867 .put = snd_ac97_put_spsa, 868 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 869 }, 870 }; 871 872 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 873 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 874 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 875 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 876 877 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 878 { 879 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 880 int mask = (kcontrol->private_value >> 16) & 0x0f; 881 int lshift = (kcontrol->private_value >> 8) & 0x0f; 882 int rshift = (kcontrol->private_value >> 12) & 0x0f; 883 884 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 885 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 886 uinfo->count = 2; 887 else 888 uinfo->count = 1; 889 uinfo->value.integer.min = 0; 890 uinfo->value.integer.max = mask; 891 return 0; 892 } 893 894 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 895 { 896 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 897 int codec = kcontrol->private_value & 3; 898 int lshift = (kcontrol->private_value >> 8) & 0x0f; 899 int rshift = (kcontrol->private_value >> 12) & 0x0f; 900 int mask = (kcontrol->private_value >> 16) & 0xff; 901 902 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 903 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 904 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 905 return 0; 906 } 907 908 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 909 { 910 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 911 int codec = kcontrol->private_value & 3; 912 int lshift = (kcontrol->private_value >> 8) & 0x0f; 913 int rshift = (kcontrol->private_value >> 12) & 0x0f; 914 int mask = (kcontrol->private_value >> 16) & 0xff; 915 unsigned short val, valmask; 916 917 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 918 valmask = mask << lshift; 919 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 920 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 921 valmask |= mask << rshift; 922 } 923 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 924 } 925 926 #define AD18XX_PCM_VOLUME(xname, codec) \ 927 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 928 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 929 .private_value = codec } 930 931 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 932 { 933 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 934 uinfo->count = 2; 935 uinfo->value.integer.min = 0; 936 uinfo->value.integer.max = 31; 937 return 0; 938 } 939 940 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 941 { 942 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 943 int codec = kcontrol->private_value & 3; 944 945 mutex_lock(&ac97->page_mutex); 946 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 947 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 948 mutex_unlock(&ac97->page_mutex); 949 return 0; 950 } 951 952 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 953 { 954 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 955 int codec = kcontrol->private_value & 3; 956 unsigned short val1, val2; 957 958 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 959 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 960 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 961 } 962 963 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 964 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 965 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 966 }; 967 968 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 969 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 970 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 971 }; 972 973 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 974 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 975 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 976 }; 977 978 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 979 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 980 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 981 }; 982 983 /* 984 * 985 */ 986 987 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 988 989 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 990 { 991 if (bus) { 992 snd_ac97_bus_proc_done(bus); 993 kfree(bus->pcms); 994 if (bus->private_free) 995 bus->private_free(bus); 996 kfree(bus); 997 } 998 return 0; 999 } 1000 1001 static int snd_ac97_bus_dev_free(struct snd_device *device) 1002 { 1003 struct snd_ac97_bus *bus = device->device_data; 1004 return snd_ac97_bus_free(bus); 1005 } 1006 1007 static int snd_ac97_free(struct snd_ac97 *ac97) 1008 { 1009 if (ac97) { 1010 #ifdef CONFIG_SND_AC97_POWER_SAVE 1011 cancel_delayed_work_sync(&ac97->power_work); 1012 #endif 1013 snd_ac97_proc_done(ac97); 1014 if (ac97->bus) 1015 ac97->bus->codec[ac97->num] = NULL; 1016 if (ac97->private_free) 1017 ac97->private_free(ac97); 1018 kfree(ac97); 1019 } 1020 return 0; 1021 } 1022 1023 static int snd_ac97_dev_free(struct snd_device *device) 1024 { 1025 struct snd_ac97 *ac97 = device->device_data; 1026 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1027 return snd_ac97_free(ac97); 1028 } 1029 1030 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1031 { 1032 unsigned short val, mask = AC97_MUTE_MASK_MONO; 1033 1034 if (! snd_ac97_valid_reg(ac97, reg)) 1035 return 0; 1036 1037 switch (reg) { 1038 case AC97_MASTER_TONE: 1039 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0; 1040 case AC97_HEADPHONE: 1041 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0; 1042 case AC97_REC_GAIN_MIC: 1043 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0; 1044 case AC97_3D_CONTROL: 1045 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) { 1046 val = snd_ac97_read(ac97, reg); 1047 /* if nonzero - fixed and we can't set it */ 1048 return val == 0; 1049 } 1050 return 0; 1051 case AC97_CENTER_LFE_MASTER: /* center */ 1052 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1053 return 0; 1054 break; 1055 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1056 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1057 return 0; 1058 reg = AC97_CENTER_LFE_MASTER; 1059 mask = 0x0080; 1060 break; 1061 case AC97_SURROUND_MASTER: 1062 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1063 return 0; 1064 break; 1065 } 1066 1067 val = snd_ac97_read(ac97, reg); 1068 if (!(val & mask)) { 1069 /* nothing seems to be here - mute flag is not set */ 1070 /* try another test */ 1071 snd_ac97_write_cache(ac97, reg, val | mask); 1072 val = snd_ac97_read(ac97, reg); 1073 val = snd_ac97_read(ac97, reg); 1074 if (!(val & mask)) 1075 return 0; /* nothing here */ 1076 } 1077 return 1; /* success, useable */ 1078 } 1079 1080 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1081 { 1082 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1083 unsigned char max[3] = { 63, 31, 15 }; 1084 int i; 1085 1086 /* first look up the static resolution table */ 1087 if (ac97->res_table) { 1088 const struct snd_ac97_res_table *tbl; 1089 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1090 if (tbl->reg == reg) { 1091 *lo_max = tbl->bits & 0xff; 1092 *hi_max = (tbl->bits >> 8) & 0xff; 1093 return; 1094 } 1095 } 1096 } 1097 1098 *lo_max = *hi_max = 0; 1099 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1100 unsigned short val; 1101 snd_ac97_write( 1102 ac97, reg, 1103 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8) 1104 ); 1105 /* Do the read twice due to buffers on some ac97 codecs. 1106 * e.g. The STAC9704 returns exactly what you wrote to the register 1107 * if you read it immediately. This causes the detect routine to fail. 1108 */ 1109 val = snd_ac97_read(ac97, reg); 1110 val = snd_ac97_read(ac97, reg); 1111 if (! *lo_max && (val & 0x7f) == cbit[i]) 1112 *lo_max = max[i]; 1113 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1114 *hi_max = max[i]; 1115 if (*lo_max && *hi_max) 1116 break; 1117 } 1118 } 1119 1120 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1121 { 1122 unsigned short mask, val, orig, res; 1123 1124 mask = 1 << bit; 1125 orig = snd_ac97_read(ac97, reg); 1126 val = orig ^ mask; 1127 snd_ac97_write(ac97, reg, val); 1128 res = snd_ac97_read(ac97, reg); 1129 snd_ac97_write_cache(ac97, reg, orig); 1130 return res == val; 1131 } 1132 1133 /* check the volume resolution of center/lfe */ 1134 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1135 { 1136 unsigned short val, val1; 1137 1138 *max = 63; 1139 val = AC97_MUTE_MASK_STEREO | (0x20 << shift); 1140 snd_ac97_write(ac97, reg, val); 1141 val1 = snd_ac97_read(ac97, reg); 1142 if (val != val1) { 1143 *max = 31; 1144 } 1145 /* reset volume to zero */ 1146 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO); 1147 } 1148 1149 static inline int printable(unsigned int x) 1150 { 1151 x &= 0xff; 1152 if (x < ' ' || x >= 0x71) { 1153 if (x <= 0x89) 1154 return x - 0x71 + 'A'; 1155 return '?'; 1156 } 1157 return x; 1158 } 1159 1160 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, 1161 struct snd_ac97 * ac97) 1162 { 1163 struct snd_kcontrol_new template; 1164 memcpy(&template, _template, sizeof(template)); 1165 template.index = ac97->num; 1166 return snd_ctl_new1(&template, ac97); 1167 } 1168 1169 /* 1170 * create mute switch(es) for normal stereo controls 1171 */ 1172 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1173 int check_stereo, int check_amix, 1174 struct snd_ac97 *ac97) 1175 { 1176 struct snd_kcontrol *kctl; 1177 int err; 1178 unsigned short val, val1, mute_mask; 1179 1180 if (! snd_ac97_valid_reg(ac97, reg)) 1181 return 0; 1182 1183 mute_mask = AC97_MUTE_MASK_MONO; 1184 val = snd_ac97_read(ac97, reg); 1185 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1186 /* check whether both mute bits work */ 1187 val1 = val | AC97_MUTE_MASK_STEREO; 1188 snd_ac97_write(ac97, reg, val1); 1189 if (val1 == snd_ac97_read(ac97, reg)) 1190 mute_mask = AC97_MUTE_MASK_STEREO; 1191 } 1192 if (mute_mask == AC97_MUTE_MASK_STEREO) { 1193 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1194 if (check_amix) 1195 tmp.private_value |= (1 << 30); 1196 tmp.index = ac97->num; 1197 kctl = snd_ctl_new1(&tmp, ac97); 1198 } else { 1199 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1200 if (check_amix) 1201 tmp.private_value |= (1 << 30); 1202 tmp.index = ac97->num; 1203 kctl = snd_ctl_new1(&tmp, ac97); 1204 } 1205 err = snd_ctl_add(card, kctl); 1206 if (err < 0) 1207 return err; 1208 /* mute as default */ 1209 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1210 return 0; 1211 } 1212 1213 /* 1214 * set dB information 1215 */ 1216 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1217 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1218 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1219 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1220 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1221 1222 static const unsigned int *find_db_scale(unsigned int maxval) 1223 { 1224 switch (maxval) { 1225 case 0x0f: return db_scale_4bit; 1226 case 0x1f: return db_scale_5bit; 1227 case 0x3f: return db_scale_6bit; 1228 } 1229 return NULL; 1230 } 1231 1232 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1233 { 1234 kctl->tlv.p = tlv; 1235 if (tlv) 1236 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1237 } 1238 1239 /* 1240 * create a volume for normal stereo/mono controls 1241 */ 1242 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1243 unsigned int hi_max, struct snd_ac97 *ac97) 1244 { 1245 int err; 1246 struct snd_kcontrol *kctl; 1247 1248 if (! snd_ac97_valid_reg(ac97, reg)) 1249 return 0; 1250 if (hi_max) { 1251 /* invert */ 1252 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1253 tmp.index = ac97->num; 1254 kctl = snd_ctl_new1(&tmp, ac97); 1255 } else { 1256 /* invert */ 1257 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1258 tmp.index = ac97->num; 1259 kctl = snd_ctl_new1(&tmp, ac97); 1260 } 1261 if (!kctl) 1262 return -ENOMEM; 1263 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1264 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1265 else 1266 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1267 err = snd_ctl_add(card, kctl); 1268 if (err < 0) 1269 return err; 1270 snd_ac97_write_cache( 1271 ac97, reg, 1272 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO) 1273 | lo_max | (hi_max << 8) 1274 ); 1275 return 0; 1276 } 1277 1278 /* 1279 * create a mute-switch and a volume for normal stereo/mono controls 1280 */ 1281 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1282 int reg, int check_stereo, int check_amix, 1283 struct snd_ac97 *ac97) 1284 { 1285 int err; 1286 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 1287 unsigned char lo_max, hi_max; 1288 1289 if (! snd_ac97_valid_reg(ac97, reg)) 1290 return 0; 1291 1292 if (snd_ac97_try_bit(ac97, reg, 15)) { 1293 sprintf(name, "%s Switch", pfx); 1294 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, 1295 check_stereo, check_amix, 1296 ac97)) < 0) 1297 return err; 1298 } 1299 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1300 if (lo_max) { 1301 sprintf(name, "%s Volume", pfx); 1302 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1303 return err; 1304 } 1305 return 0; 1306 } 1307 1308 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1309 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1310 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1311 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1312 1313 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1314 1315 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1316 { 1317 struct snd_card *card = ac97->bus->card; 1318 struct snd_kcontrol *kctl; 1319 int err; 1320 unsigned int idx; 1321 unsigned char max; 1322 1323 /* build master controls */ 1324 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1325 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1326 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1327 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1328 AC97_MASTER, 0, ac97); 1329 else 1330 err = snd_ac97_cmix_new(card, "Master Playback", 1331 AC97_MASTER, 0, ac97); 1332 if (err < 0) 1333 return err; 1334 } 1335 1336 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO; 1337 1338 /* build center controls */ 1339 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1340 && !(ac97->flags & AC97_AD_MULTI)) { 1341 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1342 return err; 1343 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1344 return err; 1345 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1346 kctl->private_value &= ~(0xff << 16); 1347 kctl->private_value |= (int)max << 16; 1348 set_tlv_db_scale(kctl, find_db_scale(max)); 1349 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1350 } 1351 1352 /* build LFE controls */ 1353 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1354 && !(ac97->flags & AC97_AD_MULTI)) { 1355 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1356 return err; 1357 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1358 return err; 1359 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1360 kctl->private_value &= ~(0xff << 16); 1361 kctl->private_value |= (int)max << 16; 1362 set_tlv_db_scale(kctl, find_db_scale(max)); 1363 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1364 } 1365 1366 /* build surround controls */ 1367 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1368 && !(ac97->flags & AC97_AD_MULTI)) { 1369 /* Surround Master (0x38) is with stereo mutes */ 1370 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1371 AC97_SURROUND_MASTER, 1, 0, 1372 ac97)) < 0) 1373 return err; 1374 } 1375 1376 /* build headphone controls */ 1377 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1378 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", 1379 AC97_HEADPHONE, 0, ac97)) < 0) 1380 return err; 1381 } 1382 1383 /* build master mono controls */ 1384 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1385 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", 1386 AC97_MASTER_MONO, 0, ac97)) < 0) 1387 return err; 1388 } 1389 1390 /* build master tone controls */ 1391 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1392 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1393 for (idx = 0; idx < 2; idx++) { 1394 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1395 return err; 1396 if (ac97->id == AC97_ID_YMF743 || 1397 ac97->id == AC97_ID_YMF753) { 1398 kctl->private_value &= ~(0xff << 16); 1399 kctl->private_value |= 7 << 16; 1400 } 1401 } 1402 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1403 } 1404 } 1405 1406 /* build Beep controls */ 1407 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1408 ((ac97->flags & AC97_HAS_PC_BEEP) || 1409 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1410 for (idx = 0; idx < 2; idx++) 1411 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1412 return err; 1413 set_tlv_db_scale(kctl, db_scale_4bit); 1414 snd_ac97_write_cache( 1415 ac97, 1416 AC97_PC_BEEP, 1417 (snd_ac97_read(ac97, AC97_PC_BEEP) 1418 | AC97_MUTE_MASK_MONO | 0x001e) 1419 ); 1420 } 1421 1422 /* build Phone controls */ 1423 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1424 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1425 if ((err = snd_ac97_cmix_new(card, "Phone Playback", 1426 AC97_PHONE, 1, ac97)) < 0) 1427 return err; 1428 } 1429 } 1430 1431 /* build MIC controls */ 1432 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1433 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1434 if ((err = snd_ac97_cmix_new(card, "Mic Playback", 1435 AC97_MIC, 1, ac97)) < 0) 1436 return err; 1437 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1438 return err; 1439 } 1440 } 1441 1442 /* build Line controls */ 1443 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1444 if ((err = snd_ac97_cmix_new(card, "Line Playback", 1445 AC97_LINE, 1, ac97)) < 0) 1446 return err; 1447 } 1448 1449 /* build CD controls */ 1450 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1451 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1452 if ((err = snd_ac97_cmix_new(card, "CD Playback", 1453 AC97_CD, 1, ac97)) < 0) 1454 return err; 1455 } 1456 } 1457 1458 /* build Video controls */ 1459 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1460 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1461 if ((err = snd_ac97_cmix_new(card, "Video Playback", 1462 AC97_VIDEO, 1, ac97)) < 0) 1463 return err; 1464 } 1465 } 1466 1467 /* build Aux controls */ 1468 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1469 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1470 if ((err = snd_ac97_cmix_new(card, "Aux Playback", 1471 AC97_AUX, 1, ac97)) < 0) 1472 return err; 1473 } 1474 } 1475 1476 /* build PCM controls */ 1477 if (ac97->flags & AC97_AD_MULTI) { 1478 unsigned short init_val; 1479 if (ac97->flags & AC97_STEREO_MUTES) 1480 init_val = 0x9f9f; 1481 else 1482 init_val = 0x9f1f; 1483 for (idx = 0; idx < 2; idx++) 1484 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1485 return err; 1486 set_tlv_db_scale(kctl, db_scale_5bit); 1487 ac97->spec.ad18xx.pcmreg[0] = init_val; 1488 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1489 for (idx = 0; idx < 2; idx++) 1490 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1491 return err; 1492 set_tlv_db_scale(kctl, db_scale_5bit); 1493 ac97->spec.ad18xx.pcmreg[1] = init_val; 1494 } 1495 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1496 for (idx = 0; idx < 2; idx++) 1497 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1498 return err; 1499 set_tlv_db_scale(kctl, db_scale_5bit); 1500 for (idx = 0; idx < 2; idx++) 1501 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1502 return err; 1503 set_tlv_db_scale(kctl, db_scale_5bit); 1504 ac97->spec.ad18xx.pcmreg[2] = init_val; 1505 } 1506 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1507 } else { 1508 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1509 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1510 err = snd_ac97_cmute_new(card, 1511 "PCM Playback Switch", 1512 AC97_PCM, 0, ac97); 1513 else 1514 err = snd_ac97_cmix_new(card, "PCM Playback", 1515 AC97_PCM, 0, ac97); 1516 if (err < 0) 1517 return err; 1518 } 1519 } 1520 1521 /* build Capture controls */ 1522 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1523 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1524 return err; 1525 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1526 err = snd_ac97_cmute_new(card, "Capture Switch", 1527 AC97_REC_GAIN, 0, ac97); 1528 if (err < 0) 1529 return err; 1530 } 1531 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1532 return err; 1533 set_tlv_db_scale(kctl, db_scale_rec_gain); 1534 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1535 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1536 } 1537 /* build MIC Capture controls */ 1538 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1539 for (idx = 0; idx < 2; idx++) 1540 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1541 return err; 1542 set_tlv_db_scale(kctl, db_scale_rec_gain); 1543 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1544 } 1545 1546 /* build PCM out path & mute control */ 1547 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1548 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1549 return err; 1550 } 1551 1552 /* build Simulated Stereo Enhancement control */ 1553 if (ac97->caps & AC97_BC_SIM_STEREO) { 1554 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1555 return err; 1556 } 1557 1558 /* build 3D Stereo Enhancement control */ 1559 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1560 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1561 return err; 1562 } 1563 1564 /* build Loudness control */ 1565 if (ac97->caps & AC97_BC_LOUDNESS) { 1566 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1567 return err; 1568 } 1569 1570 /* build Mono output select control */ 1571 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1572 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1573 return err; 1574 } 1575 1576 /* build Mic select control */ 1577 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1578 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1579 return err; 1580 } 1581 1582 /* build ADC/DAC loopback control */ 1583 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1584 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1585 return err; 1586 } 1587 1588 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1589 1590 /* build 3D controls */ 1591 if (ac97->build_ops->build_3d) { 1592 ac97->build_ops->build_3d(ac97); 1593 } else { 1594 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1595 unsigned short val; 1596 val = 0x0707; 1597 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1598 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1599 val = val == 0x0606; 1600 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1601 return err; 1602 if (val) 1603 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1604 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1605 return err; 1606 if (val) 1607 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1608 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1609 } 1610 } 1611 1612 /* build S/PDIF controls */ 1613 1614 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1615 if (ac97->subsystem_vendor == 0x1043 && 1616 ac97->subsystem_device == 0x810f) 1617 ac97->ext_id |= AC97_EI_SPDIF; 1618 1619 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1620 if (ac97->build_ops->build_spdif) { 1621 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1622 return err; 1623 } else { 1624 for (idx = 0; idx < 5; idx++) 1625 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1626 return err; 1627 if (ac97->build_ops->build_post_spdif) { 1628 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1629 return err; 1630 } 1631 /* set default PCM S/PDIF params */ 1632 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1633 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1634 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1635 } 1636 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1637 } 1638 1639 /* build chip specific controls */ 1640 if (ac97->build_ops->build_specific) 1641 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1642 return err; 1643 1644 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1645 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1646 if (! kctl) 1647 return -ENOMEM; 1648 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1649 set_inv_eapd(ac97, kctl); 1650 if ((err = snd_ctl_add(card, kctl)) < 0) 1651 return err; 1652 } 1653 1654 return 0; 1655 } 1656 1657 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1658 { 1659 int err, idx; 1660 1661 /* 1662 ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n", 1663 snd_ac97_read(ac97,AC97_GPIO_CFG)); 1664 */ 1665 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1666 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1667 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1668 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1669 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1670 1671 /* build modem switches */ 1672 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1673 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1674 return err; 1675 1676 /* build chip specific controls */ 1677 if (ac97->build_ops->build_specific) 1678 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1679 return err; 1680 1681 return 0; 1682 } 1683 1684 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1685 { 1686 unsigned short val; 1687 unsigned int tmp; 1688 1689 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1690 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1691 if (shadow_reg) 1692 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1693 val = snd_ac97_read(ac97, reg); 1694 return val == (tmp & 0xffff); 1695 } 1696 1697 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1698 { 1699 unsigned int result = 0; 1700 unsigned short saved; 1701 1702 if (ac97->bus->no_vra) { 1703 *r_result = SNDRV_PCM_RATE_48000; 1704 if ((ac97->flags & AC97_DOUBLE_RATE) && 1705 reg == AC97_PCM_FRONT_DAC_RATE) 1706 *r_result |= SNDRV_PCM_RATE_96000; 1707 return; 1708 } 1709 1710 saved = snd_ac97_read(ac97, reg); 1711 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1712 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1713 AC97_EA_DRA, 0); 1714 /* test a non-standard rate */ 1715 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1716 result |= SNDRV_PCM_RATE_CONTINUOUS; 1717 /* let's try to obtain standard rates */ 1718 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1719 result |= SNDRV_PCM_RATE_8000; 1720 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1721 result |= SNDRV_PCM_RATE_11025; 1722 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1723 result |= SNDRV_PCM_RATE_16000; 1724 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1725 result |= SNDRV_PCM_RATE_22050; 1726 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1727 result |= SNDRV_PCM_RATE_32000; 1728 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1729 result |= SNDRV_PCM_RATE_44100; 1730 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1731 result |= SNDRV_PCM_RATE_48000; 1732 if ((ac97->flags & AC97_DOUBLE_RATE) && 1733 reg == AC97_PCM_FRONT_DAC_RATE) { 1734 /* test standard double rates */ 1735 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1736 AC97_EA_DRA, AC97_EA_DRA); 1737 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1738 result |= SNDRV_PCM_RATE_64000; 1739 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1740 result |= SNDRV_PCM_RATE_88200; 1741 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1742 result |= SNDRV_PCM_RATE_96000; 1743 /* some codecs don't support variable double rates */ 1744 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1745 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1746 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1747 AC97_EA_DRA, 0); 1748 } 1749 /* restore the default value */ 1750 snd_ac97_write_cache(ac97, reg, saved); 1751 if (shadow_reg) 1752 snd_ac97_write_cache(ac97, shadow_reg, saved); 1753 *r_result = result; 1754 } 1755 1756 /* check AC97_SPDIF register to accept which sample rates */ 1757 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1758 { 1759 unsigned int result = 0; 1760 int i; 1761 static unsigned short ctl_bits[] = { 1762 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1763 }; 1764 static unsigned int rate_bits[] = { 1765 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1766 }; 1767 1768 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1769 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1770 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1771 result |= rate_bits[i]; 1772 } 1773 return result; 1774 } 1775 1776 /* look for the codec id table matching with the given id */ 1777 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1778 unsigned int id) 1779 { 1780 const struct ac97_codec_id *pid; 1781 1782 for (pid = table; pid->id; pid++) 1783 if (pid->id == (id & pid->mask)) 1784 return pid; 1785 return NULL; 1786 } 1787 1788 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1789 { 1790 const struct ac97_codec_id *pid; 1791 1792 sprintf(name, "0x%x %c%c%c", id, 1793 printable(id >> 24), 1794 printable(id >> 16), 1795 printable(id >> 8)); 1796 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1797 if (! pid) 1798 return; 1799 1800 strcpy(name, pid->name); 1801 if (ac97 && pid->patch) { 1802 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1803 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1804 pid->patch(ac97); 1805 } 1806 1807 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1808 if (pid) { 1809 strcat(name, " "); 1810 strcat(name, pid->name); 1811 if (pid->mask != 0xffffffff) 1812 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1813 if (ac97 && pid->patch) { 1814 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1815 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1816 pid->patch(ac97); 1817 } 1818 } else 1819 sprintf(name + strlen(name), " id %x", id & 0xff); 1820 } 1821 1822 /** 1823 * snd_ac97_get_short_name - retrieve codec name 1824 * @ac97: the codec instance 1825 * 1826 * Return: The short identifying name of the codec. 1827 */ 1828 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1829 { 1830 const struct ac97_codec_id *pid; 1831 1832 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1833 if (pid->id == (ac97->id & pid->mask)) 1834 return pid->name; 1835 return "unknown codec"; 1836 } 1837 1838 EXPORT_SYMBOL(snd_ac97_get_short_name); 1839 1840 /* wait for a while until registers are accessible after RESET 1841 * return 0 if ok, negative not ready 1842 */ 1843 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1844 { 1845 unsigned long end_time; 1846 unsigned short val; 1847 1848 end_time = jiffies + timeout; 1849 do { 1850 1851 /* use preliminary reads to settle the communication */ 1852 snd_ac97_read(ac97, AC97_RESET); 1853 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1854 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1855 /* modem? */ 1856 if (with_modem) { 1857 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1858 if (val != 0xffff && (val & 1) != 0) 1859 return 0; 1860 } 1861 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1862 /* probably only Xbox issue - all registers are read as zero */ 1863 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1864 if (val != 0 && val != 0xffff) 1865 return 0; 1866 } else { 1867 /* because the PCM or MASTER volume registers can be modified, 1868 * the REC_GAIN register is used for tests 1869 */ 1870 /* test if we can write to the record gain volume register */ 1871 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1872 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1873 return 0; 1874 } 1875 schedule_timeout_uninterruptible(1); 1876 } while (time_after_eq(end_time, jiffies)); 1877 return -ENODEV; 1878 } 1879 1880 /** 1881 * snd_ac97_bus - create an AC97 bus component 1882 * @card: the card instance 1883 * @num: the bus number 1884 * @ops: the bus callbacks table 1885 * @private_data: private data pointer for the new instance 1886 * @rbus: the pointer to store the new AC97 bus instance. 1887 * 1888 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1889 * allocated and initialized. 1890 * 1891 * The ops table must include valid callbacks (at least read and 1892 * write). The other callbacks, wait and reset, are not mandatory. 1893 * 1894 * The clock is set to 48000. If another clock is needed, set 1895 * ``(*rbus)->clock`` manually. 1896 * 1897 * The AC97 bus instance is registered as a low-level device, so you don't 1898 * have to release it manually. 1899 * 1900 * Return: Zero if successful, or a negative error code on failure. 1901 */ 1902 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1903 void *private_data, struct snd_ac97_bus **rbus) 1904 { 1905 int err; 1906 struct snd_ac97_bus *bus; 1907 static struct snd_device_ops dev_ops = { 1908 .dev_free = snd_ac97_bus_dev_free, 1909 }; 1910 1911 if (snd_BUG_ON(!card)) 1912 return -EINVAL; 1913 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1914 if (bus == NULL) 1915 return -ENOMEM; 1916 bus->card = card; 1917 bus->num = num; 1918 bus->ops = ops; 1919 bus->private_data = private_data; 1920 bus->clock = 48000; 1921 spin_lock_init(&bus->bus_lock); 1922 snd_ac97_bus_proc_init(bus); 1923 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1924 snd_ac97_bus_free(bus); 1925 return err; 1926 } 1927 if (rbus) 1928 *rbus = bus; 1929 return 0; 1930 } 1931 1932 EXPORT_SYMBOL(snd_ac97_bus); 1933 1934 /* stop no dev release warning */ 1935 static void ac97_device_release(struct device * dev) 1936 { 1937 } 1938 1939 /* register ac97 codec to bus */ 1940 static int snd_ac97_dev_register(struct snd_device *device) 1941 { 1942 struct snd_ac97 *ac97 = device->device_data; 1943 int err; 1944 1945 ac97->dev.bus = &ac97_bus_type; 1946 ac97->dev.parent = ac97->bus->card->dev; 1947 ac97->dev.release = ac97_device_release; 1948 dev_set_name(&ac97->dev, "%d-%d:%s", 1949 ac97->bus->card->number, ac97->num, 1950 snd_ac97_get_short_name(ac97)); 1951 if ((err = device_register(&ac97->dev)) < 0) { 1952 ac97_err(ac97, "Can't register ac97 bus\n"); 1953 ac97->dev.bus = NULL; 1954 return err; 1955 } 1956 return 0; 1957 } 1958 1959 /* disconnect ac97 codec */ 1960 static int snd_ac97_dev_disconnect(struct snd_device *device) 1961 { 1962 struct snd_ac97 *ac97 = device->device_data; 1963 if (ac97->dev.bus) 1964 device_unregister(&ac97->dev); 1965 return 0; 1966 } 1967 1968 /* build_ops to do nothing */ 1969 static const struct snd_ac97_build_ops null_build_ops; 1970 1971 #ifdef CONFIG_SND_AC97_POWER_SAVE 1972 static void do_update_power(struct work_struct *work) 1973 { 1974 update_power_regs( 1975 container_of(work, struct snd_ac97, power_work.work)); 1976 } 1977 #endif 1978 1979 /** 1980 * snd_ac97_mixer - create an Codec97 component 1981 * @bus: the AC97 bus which codec is attached to 1982 * @template: the template of ac97, including index, callbacks and 1983 * the private data. 1984 * @rac97: the pointer to store the new ac97 instance. 1985 * 1986 * Creates an Codec97 component. An struct snd_ac97 instance is newly 1987 * allocated and initialized from the template. The codec 1988 * is then initialized by the standard procedure. 1989 * 1990 * The template must include the codec number (num) and address (addr), 1991 * and the private data (private_data). 1992 * 1993 * The ac97 instance is registered as a low-level device, so you don't 1994 * have to release it manually. 1995 * 1996 * Return: Zero if successful, or a negative error code on failure. 1997 */ 1998 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 1999 { 2000 int err; 2001 struct snd_ac97 *ac97; 2002 struct snd_card *card; 2003 char name[64]; 2004 unsigned long end_time; 2005 unsigned int reg; 2006 const struct ac97_codec_id *pid; 2007 static struct snd_device_ops ops = { 2008 .dev_free = snd_ac97_dev_free, 2009 .dev_register = snd_ac97_dev_register, 2010 .dev_disconnect = snd_ac97_dev_disconnect, 2011 }; 2012 2013 if (rac97) 2014 *rac97 = NULL; 2015 if (snd_BUG_ON(!bus || !template)) 2016 return -EINVAL; 2017 if (snd_BUG_ON(template->num >= 4)) 2018 return -EINVAL; 2019 if (bus->codec[template->num]) 2020 return -EBUSY; 2021 2022 card = bus->card; 2023 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 2024 if (ac97 == NULL) 2025 return -ENOMEM; 2026 ac97->private_data = template->private_data; 2027 ac97->private_free = template->private_free; 2028 ac97->bus = bus; 2029 ac97->pci = template->pci; 2030 ac97->num = template->num; 2031 ac97->addr = template->addr; 2032 ac97->scaps = template->scaps; 2033 ac97->res_table = template->res_table; 2034 bus->codec[ac97->num] = ac97; 2035 mutex_init(&ac97->reg_mutex); 2036 mutex_init(&ac97->page_mutex); 2037 #ifdef CONFIG_SND_AC97_POWER_SAVE 2038 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2039 #endif 2040 2041 #ifdef CONFIG_PCI 2042 if (ac97->pci) { 2043 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2044 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2045 } 2046 #endif 2047 if (bus->ops->reset) { 2048 bus->ops->reset(ac97); 2049 goto __access_ok; 2050 } 2051 2052 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2053 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2054 if (ac97->id && ac97->id != (unsigned int)-1) { 2055 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2056 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2057 goto __access_ok; 2058 } 2059 2060 /* reset to defaults */ 2061 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2062 snd_ac97_write(ac97, AC97_RESET, 0); 2063 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2064 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2065 if (bus->ops->wait) 2066 bus->ops->wait(ac97); 2067 else { 2068 udelay(50); 2069 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2070 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2071 else { 2072 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2073 if (err < 0) 2074 err = ac97_reset_wait(ac97, 2075 msecs_to_jiffies(500), 1); 2076 } 2077 if (err < 0) { 2078 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n", 2079 ac97->num); 2080 /* proceed anyway - it's often non-critical */ 2081 } 2082 } 2083 __access_ok: 2084 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2085 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2086 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2087 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2088 ac97_err(ac97, 2089 "AC'97 %d access is not valid [0x%x], removing mixer.\n", 2090 ac97->num, ac97->id); 2091 snd_ac97_free(ac97); 2092 return -EIO; 2093 } 2094 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2095 if (pid) 2096 ac97->flags |= pid->flags; 2097 2098 /* test for AC'97 */ 2099 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2100 /* test if we can write to the record gain volume register */ 2101 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2102 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 2103 ac97->scaps |= AC97_SCAP_AUDIO; 2104 } 2105 if (ac97->scaps & AC97_SCAP_AUDIO) { 2106 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2107 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2108 if (ac97->ext_id == 0xffff) /* invalid combination */ 2109 ac97->ext_id = 0; 2110 } 2111 2112 /* test for MC'97 */ 2113 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2114 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2115 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2116 ac97->ext_mid = 0; 2117 if (ac97->ext_mid & 1) 2118 ac97->scaps |= AC97_SCAP_MODEM; 2119 } 2120 2121 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2122 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2123 ac97_err(ac97, 2124 "AC'97 %d access error (not audio or modem codec)\n", 2125 ac97->num); 2126 snd_ac97_free(ac97); 2127 return -EACCES; 2128 } 2129 2130 if (bus->ops->reset) // FIXME: always skipping? 2131 goto __ready_ok; 2132 2133 /* FIXME: add powerdown control */ 2134 if (ac97_is_audio(ac97)) { 2135 /* nothing should be in powerdown mode */ 2136 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2137 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2138 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2139 udelay(100); 2140 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2141 } 2142 /* nothing should be in powerdown mode */ 2143 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2144 end_time = jiffies + msecs_to_jiffies(5000); 2145 do { 2146 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2147 goto __ready_ok; 2148 schedule_timeout_uninterruptible(1); 2149 } while (time_after_eq(end_time, jiffies)); 2150 ac97_warn(ac97, 2151 "AC'97 %d analog subsections not ready\n", ac97->num); 2152 } 2153 2154 /* FIXME: add powerdown control */ 2155 if (ac97_is_modem(ac97)) { 2156 unsigned char tmp; 2157 2158 /* nothing should be in powerdown mode */ 2159 /* note: it's important to set the rate at first */ 2160 tmp = AC97_MEA_GPIO; 2161 if (ac97->ext_mid & AC97_MEI_LINE1) { 2162 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2163 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2164 } 2165 if (ac97->ext_mid & AC97_MEI_LINE2) { 2166 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2167 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2168 } 2169 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2170 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2171 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2172 } 2173 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2174 udelay(100); 2175 /* nothing should be in powerdown mode */ 2176 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2177 end_time = jiffies + msecs_to_jiffies(100); 2178 do { 2179 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2180 goto __ready_ok; 2181 schedule_timeout_uninterruptible(1); 2182 } while (time_after_eq(end_time, jiffies)); 2183 ac97_warn(ac97, 2184 "MC'97 %d converters and GPIO not ready (0x%x)\n", 2185 ac97->num, 2186 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2187 } 2188 2189 __ready_ok: 2190 if (ac97_is_audio(ac97)) 2191 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2192 else 2193 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2194 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2195 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2196 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2197 if (! bus->no_vra) 2198 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2199 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2200 } 2201 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2202 /* Intel controllers require double rate data to be put in 2203 * slots 7+8, so let's hope the codec supports it. */ 2204 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2205 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2206 ac97->flags |= AC97_DOUBLE_RATE; 2207 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2208 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2209 } 2210 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2211 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2212 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2213 } else { 2214 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2215 if (ac97->flags & AC97_DOUBLE_RATE) 2216 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2217 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2218 } 2219 if (ac97->ext_id & AC97_EI_SPDIF) { 2220 /* codec specific code (patch) should override these values */ 2221 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2222 } 2223 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2224 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2225 } else { 2226 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2227 } 2228 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2229 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2230 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2231 } 2232 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2233 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2234 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2235 } 2236 /* additional initializations */ 2237 if (bus->ops->init) 2238 bus->ops->init(ac97); 2239 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2240 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2241 if (! ac97->build_ops) 2242 ac97->build_ops = &null_build_ops; 2243 2244 if (ac97_is_audio(ac97)) { 2245 char comp[16]; 2246 if (card->mixername[0] == '\0') { 2247 strcpy(card->mixername, name); 2248 } else { 2249 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2250 strcat(card->mixername, ","); 2251 strcat(card->mixername, name); 2252 } 2253 } 2254 sprintf(comp, "AC97a:%08x", ac97->id); 2255 if ((err = snd_component_add(card, comp)) < 0) { 2256 snd_ac97_free(ac97); 2257 return err; 2258 } 2259 if (snd_ac97_mixer_build(ac97) < 0) { 2260 snd_ac97_free(ac97); 2261 return -ENOMEM; 2262 } 2263 } 2264 if (ac97_is_modem(ac97)) { 2265 char comp[16]; 2266 if (card->mixername[0] == '\0') { 2267 strcpy(card->mixername, name); 2268 } else { 2269 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2270 strcat(card->mixername, ","); 2271 strcat(card->mixername, name); 2272 } 2273 } 2274 sprintf(comp, "AC97m:%08x", ac97->id); 2275 if ((err = snd_component_add(card, comp)) < 0) { 2276 snd_ac97_free(ac97); 2277 return err; 2278 } 2279 if (snd_ac97_modem_build(card, ac97) < 0) { 2280 snd_ac97_free(ac97); 2281 return -ENOMEM; 2282 } 2283 } 2284 if (ac97_is_audio(ac97)) 2285 update_power_regs(ac97); 2286 snd_ac97_proc_init(ac97); 2287 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2288 snd_ac97_free(ac97); 2289 return err; 2290 } 2291 *rac97 = ac97; 2292 return 0; 2293 } 2294 2295 EXPORT_SYMBOL(snd_ac97_mixer); 2296 2297 /* 2298 * Power down the chip. 2299 * 2300 * MASTER and HEADPHONE registers are muted but the register cache values 2301 * are not changed, so that the values can be restored in snd_ac97_resume(). 2302 */ 2303 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2304 { 2305 unsigned short power; 2306 2307 if (ac97_is_audio(ac97)) { 2308 /* some codecs have stereo mute bits */ 2309 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2310 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2311 } 2312 2313 /* surround, CLFE, mic powerdown */ 2314 power = ac97->regs[AC97_EXTENDED_STATUS]; 2315 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2316 power |= AC97_EA_PRJ; 2317 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2318 power |= AC97_EA_PRI | AC97_EA_PRK; 2319 power |= AC97_EA_PRL; 2320 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2321 2322 /* powerdown external amplifier */ 2323 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2324 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2325 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2326 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2327 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2328 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2329 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2330 udelay(100); 2331 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ 2332 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2333 if (ac97_is_power_save_mode(ac97)) { 2334 power |= AC97_PD_PR3; /* Analog Mixer powerdown */ 2335 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2336 udelay(100); 2337 /* AC-link powerdown, internal Clk disable */ 2338 /* FIXME: this may cause click noises on some boards */ 2339 power |= AC97_PD_PR4 | AC97_PD_PR5; 2340 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2341 } 2342 } 2343 2344 2345 struct ac97_power_reg { 2346 unsigned short reg; 2347 unsigned short power_reg; 2348 unsigned short mask; 2349 }; 2350 2351 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2352 2353 static struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2354 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2355 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2356 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2357 AC97_EA_PRI | AC97_EA_PRK}, 2358 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2359 AC97_EA_PRJ}, 2360 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2361 AC97_EA_PRL}, 2362 }; 2363 2364 #ifdef CONFIG_SND_AC97_POWER_SAVE 2365 /** 2366 * snd_ac97_update_power - update the powerdown register 2367 * @ac97: the codec instance 2368 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2369 * @powerup: non-zero when power up the part 2370 * 2371 * Update the AC97 powerdown register bits of the given part. 2372 * 2373 * Return: Zero. 2374 */ 2375 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2376 { 2377 int i; 2378 2379 if (! ac97) 2380 return 0; 2381 2382 if (reg) { 2383 /* SPDIF requires DAC power, too */ 2384 if (reg == AC97_SPDIF) 2385 reg = AC97_PCM_FRONT_DAC_RATE; 2386 for (i = 0; i < PWIDX_SIZE; i++) { 2387 if (power_regs[i].reg == reg) { 2388 if (powerup) 2389 ac97->power_up |= (1 << i); 2390 else 2391 ac97->power_up &= ~(1 << i); 2392 break; 2393 } 2394 } 2395 } 2396 2397 if (ac97_is_power_save_mode(ac97) && !powerup) 2398 /* adjust power-down bits after two seconds delay 2399 * (for avoiding loud click noises for many (OSS) apps 2400 * that open/close frequently) 2401 */ 2402 schedule_delayed_work(&ac97->power_work, 2403 msecs_to_jiffies(power_save * 1000)); 2404 else { 2405 cancel_delayed_work(&ac97->power_work); 2406 update_power_regs(ac97); 2407 } 2408 2409 return 0; 2410 } 2411 2412 EXPORT_SYMBOL(snd_ac97_update_power); 2413 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2414 2415 static void update_power_regs(struct snd_ac97 *ac97) 2416 { 2417 unsigned int power_up, bits; 2418 int i; 2419 2420 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2421 power_up |= (1 << PWIDX_MIC); 2422 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2423 power_up |= (1 << PWIDX_SURR); 2424 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2425 power_up |= (1 << PWIDX_CLFE); 2426 #ifdef CONFIG_SND_AC97_POWER_SAVE 2427 if (ac97_is_power_save_mode(ac97)) 2428 power_up = ac97->power_up; 2429 #endif 2430 if (power_up) { 2431 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2432 /* needs power-up analog mix and vref */ 2433 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2434 AC97_PD_PR3, 0); 2435 msleep(1); 2436 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2437 AC97_PD_PR2, 0); 2438 } 2439 } 2440 for (i = 0; i < PWIDX_SIZE; i++) { 2441 if (power_up & (1 << i)) 2442 bits = 0; 2443 else 2444 bits = power_regs[i].mask; 2445 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2446 power_regs[i].mask, bits); 2447 } 2448 if (! power_up) { 2449 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2450 /* power down analog mix and vref */ 2451 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2452 AC97_PD_PR2, AC97_PD_PR2); 2453 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2454 AC97_PD_PR3, AC97_PD_PR3); 2455 } 2456 } 2457 } 2458 2459 2460 #ifdef CONFIG_PM 2461 /** 2462 * snd_ac97_suspend - General suspend function for AC97 codec 2463 * @ac97: the ac97 instance 2464 * 2465 * Suspends the codec, power down the chip. 2466 */ 2467 void snd_ac97_suspend(struct snd_ac97 *ac97) 2468 { 2469 if (! ac97) 2470 return; 2471 if (ac97->build_ops->suspend) 2472 ac97->build_ops->suspend(ac97); 2473 #ifdef CONFIG_SND_AC97_POWER_SAVE 2474 cancel_delayed_work_sync(&ac97->power_work); 2475 #endif 2476 snd_ac97_powerdown(ac97); 2477 } 2478 2479 EXPORT_SYMBOL(snd_ac97_suspend); 2480 2481 /* 2482 * restore ac97 status 2483 */ 2484 static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2485 { 2486 int i; 2487 2488 for (i = 2; i < 0x7c ; i += 2) { 2489 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2490 continue; 2491 /* restore only accessible registers 2492 * some chip (e.g. nm256) may hang up when unsupported registers 2493 * are accessed..! 2494 */ 2495 if (test_bit(i, ac97->reg_accessed)) { 2496 snd_ac97_write(ac97, i, ac97->regs[i]); 2497 snd_ac97_read(ac97, i); 2498 } 2499 } 2500 } 2501 2502 /* 2503 * restore IEC958 status 2504 */ 2505 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2506 { 2507 if (ac97->ext_id & AC97_EI_SPDIF) { 2508 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2509 /* reset spdif status */ 2510 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2511 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2512 if (ac97->flags & AC97_CS_SPDIF) 2513 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2514 else 2515 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2516 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2517 } 2518 } 2519 } 2520 2521 /** 2522 * snd_ac97_resume - General resume function for AC97 codec 2523 * @ac97: the ac97 instance 2524 * 2525 * Do the standard resume procedure, power up and restoring the 2526 * old register values. 2527 */ 2528 void snd_ac97_resume(struct snd_ac97 *ac97) 2529 { 2530 unsigned long end_time; 2531 2532 if (! ac97) 2533 return; 2534 2535 if (ac97->bus->ops->reset) { 2536 ac97->bus->ops->reset(ac97); 2537 goto __reset_ready; 2538 } 2539 2540 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2541 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2542 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2543 snd_ac97_write(ac97, AC97_RESET, 0); 2544 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2545 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2546 udelay(100); 2547 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2548 } 2549 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2550 2551 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2552 if (ac97_is_audio(ac97)) { 2553 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2554 end_time = jiffies + msecs_to_jiffies(100); 2555 do { 2556 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2557 break; 2558 schedule_timeout_uninterruptible(1); 2559 } while (time_after_eq(end_time, jiffies)); 2560 /* FIXME: extra delay */ 2561 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO); 2562 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO) 2563 msleep(250); 2564 } else { 2565 end_time = jiffies + msecs_to_jiffies(100); 2566 do { 2567 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2568 if (val != 0xffff && (val & 1) != 0) 2569 break; 2570 schedule_timeout_uninterruptible(1); 2571 } while (time_after_eq(end_time, jiffies)); 2572 } 2573 __reset_ready: 2574 2575 if (ac97->bus->ops->init) 2576 ac97->bus->ops->init(ac97); 2577 2578 if (ac97->build_ops->resume) 2579 ac97->build_ops->resume(ac97); 2580 else { 2581 snd_ac97_restore_status(ac97); 2582 snd_ac97_restore_iec958(ac97); 2583 } 2584 } 2585 2586 EXPORT_SYMBOL(snd_ac97_resume); 2587 #endif 2588 2589 2590 /* 2591 * Hardware tuning 2592 */ 2593 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2594 { 2595 if (suffix) 2596 sprintf(dst, "%s %s", src, suffix); 2597 else 2598 strcpy(dst, src); 2599 } 2600 2601 /* remove the control with the given name and optional suffix */ 2602 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2603 const char *suffix) 2604 { 2605 struct snd_ctl_elem_id id; 2606 memset(&id, 0, sizeof(id)); 2607 set_ctl_name(id.name, name, suffix); 2608 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2609 return snd_ctl_remove_id(ac97->bus->card, &id); 2610 } 2611 2612 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2613 { 2614 struct snd_ctl_elem_id sid; 2615 memset(&sid, 0, sizeof(sid)); 2616 set_ctl_name(sid.name, name, suffix); 2617 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2618 return snd_ctl_find_id(ac97->bus->card, &sid); 2619 } 2620 2621 /* rename the control with the given name and optional suffix */ 2622 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2623 const char *dst, const char *suffix) 2624 { 2625 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2626 if (kctl) { 2627 set_ctl_name(kctl->id.name, dst, suffix); 2628 return 0; 2629 } 2630 return -ENOENT; 2631 } 2632 2633 /* rename both Volume and Switch controls - don't check the return value */ 2634 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2635 const char *dst) 2636 { 2637 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2638 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2639 } 2640 2641 /* swap controls */ 2642 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2643 const char *s2, const char *suffix) 2644 { 2645 struct snd_kcontrol *kctl1, *kctl2; 2646 kctl1 = ctl_find(ac97, s1, suffix); 2647 kctl2 = ctl_find(ac97, s2, suffix); 2648 if (kctl1 && kctl2) { 2649 set_ctl_name(kctl1->id.name, s2, suffix); 2650 set_ctl_name(kctl2->id.name, s1, suffix); 2651 return 0; 2652 } 2653 return -ENOENT; 2654 } 2655 2656 #if 1 2657 /* bind hp and master controls instead of using only hp control */ 2658 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2659 { 2660 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2661 if (err > 0) { 2662 unsigned long priv_saved = kcontrol->private_value; 2663 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2664 snd_ac97_put_volsw(kcontrol, ucontrol); 2665 kcontrol->private_value = priv_saved; 2666 } 2667 return err; 2668 } 2669 2670 /* ac97 tune: bind Master and Headphone controls */ 2671 static int tune_hp_only(struct snd_ac97 *ac97) 2672 { 2673 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2674 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2675 if (! msw || ! mvol) 2676 return -ENOENT; 2677 msw->put = bind_hp_volsw_put; 2678 mvol->put = bind_hp_volsw_put; 2679 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2680 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2681 return 0; 2682 } 2683 2684 #else 2685 /* ac97 tune: use Headphone control as master */ 2686 static int tune_hp_only(struct snd_ac97 *ac97) 2687 { 2688 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2689 return -ENOENT; 2690 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2691 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2692 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2693 return 0; 2694 } 2695 #endif 2696 2697 /* ac97 tune: swap Headphone and Master controls */ 2698 static int tune_swap_hp(struct snd_ac97 *ac97) 2699 { 2700 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2701 return -ENOENT; 2702 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2703 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2704 return 0; 2705 } 2706 2707 /* ac97 tune: swap Surround and Master controls */ 2708 static int tune_swap_surround(struct snd_ac97 *ac97) 2709 { 2710 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2711 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2712 return -ENOENT; 2713 return 0; 2714 } 2715 2716 /* ac97 tune: set up mic sharing for AD codecs */ 2717 static int tune_ad_sharing(struct snd_ac97 *ac97) 2718 { 2719 unsigned short scfg; 2720 if ((ac97->id & 0xffffff00) != 0x41445300) { 2721 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n"); 2722 return -EINVAL; 2723 } 2724 /* Turn on OMS bit to route microphone to back panel */ 2725 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2726 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2727 return 0; 2728 } 2729 2730 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2731 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2732 2733 /* ac97 tune: set up ALC jack-select */ 2734 static int tune_alc_jack(struct snd_ac97 *ac97) 2735 { 2736 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2737 ac97_err(ac97, 2738 "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2739 return -EINVAL; 2740 } 2741 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2742 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2743 if (ac97->id == AC97_ID_ALC658D) 2744 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2745 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2746 } 2747 2748 /* ac97 tune: inversed EAPD bit */ 2749 static int tune_inv_eapd(struct snd_ac97 *ac97) 2750 { 2751 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2752 if (! kctl) 2753 return -ENOENT; 2754 set_inv_eapd(ac97, kctl); 2755 return 0; 2756 } 2757 2758 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2759 { 2760 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2761 if (err > 0) { 2762 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2763 int shift = (kcontrol->private_value >> 8) & 0x0f; 2764 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2765 unsigned short mask; 2766 if (shift != rshift) 2767 mask = AC97_MUTE_MASK_STEREO; 2768 else 2769 mask = AC97_MUTE_MASK_MONO; 2770 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2771 (ac97->regs[AC97_MASTER] & mask) == mask ? 2772 AC97_PD_EAPD : 0); 2773 } 2774 return err; 2775 } 2776 2777 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2778 static int tune_mute_led(struct snd_ac97 *ac97) 2779 { 2780 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2781 if (! msw) 2782 return -ENOENT; 2783 msw->put = master_mute_sw_put; 2784 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2785 snd_ac97_update_bits( 2786 ac97, AC97_POWERDOWN, 2787 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2788 ); 2789 ac97->scaps |= AC97_SCAP_EAPD_LED; 2790 return 0; 2791 } 2792 2793 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2794 struct snd_ctl_elem_value *ucontrol) 2795 { 2796 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2797 if (err > 0) { 2798 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2799 int shift = (kcontrol->private_value >> 8) & 0x0f; 2800 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2801 unsigned short mask; 2802 if (shift != rshift) 2803 mask = AC97_MUTE_MASK_STEREO; 2804 else 2805 mask = AC97_MUTE_MASK_MONO; 2806 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2807 (ac97->regs[AC97_MASTER] & mask) == mask ? 2808 AC97_PD_EAPD : 0); 2809 } 2810 return err; 2811 } 2812 2813 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2814 { 2815 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2816 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2817 if (! msw || ! mvol) 2818 return -ENOENT; 2819 msw->put = hp_master_mute_sw_put; 2820 mvol->put = bind_hp_volsw_put; 2821 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2822 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2823 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2824 snd_ac97_update_bits( 2825 ac97, AC97_POWERDOWN, 2826 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2827 ); 2828 return 0; 2829 } 2830 2831 struct quirk_table { 2832 const char *name; 2833 int (*func)(struct snd_ac97 *); 2834 }; 2835 2836 static struct quirk_table applicable_quirks[] = { 2837 { "none", NULL }, 2838 { "hp_only", tune_hp_only }, 2839 { "swap_hp", tune_swap_hp }, 2840 { "swap_surround", tune_swap_surround }, 2841 { "ad_sharing", tune_ad_sharing }, 2842 { "alc_jack", tune_alc_jack }, 2843 { "inv_eapd", tune_inv_eapd }, 2844 { "mute_led", tune_mute_led }, 2845 { "hp_mute_led", tune_hp_mute_led }, 2846 }; 2847 2848 /* apply the quirk with the given type */ 2849 static int apply_quirk(struct snd_ac97 *ac97, int type) 2850 { 2851 if (type <= 0) 2852 return 0; 2853 else if (type >= ARRAY_SIZE(applicable_quirks)) 2854 return -EINVAL; 2855 if (applicable_quirks[type].func) 2856 return applicable_quirks[type].func(ac97); 2857 return 0; 2858 } 2859 2860 /* apply the quirk with the given name */ 2861 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2862 { 2863 int i; 2864 struct quirk_table *q; 2865 2866 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2867 q = &applicable_quirks[i]; 2868 if (q->name && ! strcmp(typestr, q->name)) 2869 return apply_quirk(ac97, i); 2870 } 2871 /* for compatibility, accept the numbers, too */ 2872 if (*typestr >= '0' && *typestr <= '9') 2873 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2874 return -EINVAL; 2875 } 2876 2877 /** 2878 * snd_ac97_tune_hardware - tune up the hardware 2879 * @ac97: the ac97 instance 2880 * @quirk: quirk list 2881 * @override: explicit quirk value (overrides the list if non-NULL) 2882 * 2883 * Do some workaround for each pci device, such as renaming of the 2884 * headphone (true line-out) control as "Master". 2885 * The quirk-list must be terminated with a zero-filled entry. 2886 * 2887 * Return: Zero if successful, or a negative error code on failure. 2888 */ 2889 2890 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, 2891 const struct ac97_quirk *quirk, const char *override) 2892 { 2893 int result; 2894 2895 /* quirk overriden? */ 2896 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2897 result = apply_quirk_str(ac97, override); 2898 if (result < 0) 2899 ac97_err(ac97, "applying quirk type %s failed (%d)\n", 2900 override, result); 2901 return result; 2902 } 2903 2904 if (! quirk) 2905 return -EINVAL; 2906 2907 for (; quirk->subvendor; quirk++) { 2908 if (quirk->subvendor != ac97->subsystem_vendor) 2909 continue; 2910 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2911 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2912 if (quirk->codec_id && quirk->codec_id != ac97->id) 2913 continue; 2914 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n", 2915 quirk->name, ac97->subsystem_vendor, 2916 ac97->subsystem_device); 2917 result = apply_quirk(ac97, quirk->type); 2918 if (result < 0) 2919 ac97_err(ac97, 2920 "applying quirk type %d for %s failed (%d)\n", 2921 quirk->type, quirk->name, result); 2922 return result; 2923 } 2924 } 2925 return 0; 2926 } 2927 2928 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2929