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 fallthrough; 222 case AC97_ID_ST7597: 223 if (reg == 0x22 || reg == 0x7a) 224 return 1; 225 fallthrough; 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_tone[2] = { 600 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 601 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 602 }; 603 604 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 605 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1), 606 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1) 607 }; 608 609 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 610 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 611 612 613 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 614 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 615 static const char* std_mix[] = {"Mix", "Mic"}; 616 static const char* std_mic[] = {"Mic1", "Mic2"}; 617 618 static const struct ac97_enum std_enum[] = { 619 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 621 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 622 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 623 }; 624 625 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 626 AC97_ENUM("Capture Source", std_enum[0]); 627 628 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 629 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 630 631 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 632 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 633 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 634 }; 635 636 enum { 637 AC97_GENERAL_PCM_OUT = 0, 638 AC97_GENERAL_STEREO_ENHANCEMENT, 639 AC97_GENERAL_3D, 640 AC97_GENERAL_LOUDNESS, 641 AC97_GENERAL_MONO, 642 AC97_GENERAL_MIC, 643 AC97_GENERAL_LOOPBACK 644 }; 645 646 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 647 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 648 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 649 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 650 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 651 AC97_ENUM("Mono Output Select", std_enum[2]), 652 AC97_ENUM("Mic Select", std_enum[3]), 653 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 654 }; 655 656 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 657 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 658 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 659 }; 660 661 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 662 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 663 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 664 }; 665 666 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 667 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 668 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 669 }; 670 671 static const struct snd_kcontrol_new snd_ac97_control_eapd = 672 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 673 674 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 675 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 676 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 677 }; 678 679 /* change the existing EAPD control as inverted */ 680 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 681 { 682 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 683 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 684 ac97->scaps |= AC97_SCAP_INV_EAPD; 685 } 686 687 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 688 { 689 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 690 uinfo->count = 1; 691 return 0; 692 } 693 694 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 695 { 696 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 697 IEC958_AES0_NONAUDIO | 698 IEC958_AES0_CON_EMPHASIS_5015 | 699 IEC958_AES0_CON_NOT_COPYRIGHT; 700 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 701 IEC958_AES1_CON_ORIGINAL; 702 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 703 return 0; 704 } 705 706 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 707 { 708 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 709 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 710 IEC958_AES0_NONAUDIO | 711 IEC958_AES0_PRO_FS | 712 IEC958_AES0_PRO_EMPHASIS_5015; 713 return 0; 714 } 715 716 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 717 { 718 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 719 720 mutex_lock(&ac97->reg_mutex); 721 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 722 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 723 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 724 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 725 mutex_unlock(&ac97->reg_mutex); 726 return 0; 727 } 728 729 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 730 { 731 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 732 unsigned int new = 0; 733 unsigned short val = 0; 734 int change; 735 736 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 737 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 738 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 739 switch (new & IEC958_AES0_PRO_FS) { 740 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 741 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 742 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 743 default: val |= 1<<12; break; 744 } 745 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 746 val |= 1<<3; 747 } else { 748 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 749 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 750 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 751 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 752 val |= 1<<3; 753 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 754 val |= 1<<2; 755 val |= ((new >> 8) & 0xff) << 4; // category + original 756 switch ((new >> 24) & 0xff) { 757 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 758 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 759 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 760 default: val |= 1<<12; break; 761 } 762 } 763 764 mutex_lock(&ac97->reg_mutex); 765 change = ac97->spdif_status != new; 766 ac97->spdif_status = new; 767 768 if (ac97->flags & AC97_CS_SPDIF) { 769 int x = (val >> 12) & 0x03; 770 switch (x) { 771 case 0: x = 1; break; // 44.1 772 case 2: x = 0; break; // 48.0 773 default: x = 0; break; // illegal. 774 } 775 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 776 } else if (ac97->flags & AC97_CX_SPDIF) { 777 int v; 778 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 779 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 780 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 781 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 782 v); 783 } else if (ac97->id == AC97_ID_YMF743) { 784 change |= snd_ac97_update_bits_nolock(ac97, 785 AC97_YMF7X3_DIT_CTRL, 786 0xff38, 787 ((val << 4) & 0xff00) | 788 ((val << 2) & 0x0038)); 789 } else { 790 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 791 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 792 793 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 794 if (extst & AC97_EA_SPDIF) { 795 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 796 } 797 } 798 mutex_unlock(&ac97->reg_mutex); 799 800 return change; 801 } 802 803 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 804 { 805 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 806 int reg = kcontrol->private_value & 0xff; 807 int shift = (kcontrol->private_value >> 8) & 0x0f; 808 int mask = (kcontrol->private_value >> 16) & 0xff; 809 // int invert = (kcontrol->private_value >> 24) & 0xff; 810 unsigned short value, old, new; 811 int change; 812 813 value = (ucontrol->value.integer.value[0] & mask); 814 815 mutex_lock(&ac97->reg_mutex); 816 mask <<= shift; 817 value <<= shift; 818 old = snd_ac97_read_cache(ac97, reg); 819 new = (old & ~mask) | value; 820 change = old != new; 821 822 if (change) { 823 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 824 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 825 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 826 if (extst & AC97_EA_SPDIF) 827 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 828 } 829 mutex_unlock(&ac97->reg_mutex); 830 return change; 831 } 832 833 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 834 { 835 .access = SNDRV_CTL_ELEM_ACCESS_READ, 836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 838 .info = snd_ac97_spdif_mask_info, 839 .get = snd_ac97_spdif_cmask_get, 840 }, 841 { 842 .access = SNDRV_CTL_ELEM_ACCESS_READ, 843 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 844 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 845 .info = snd_ac97_spdif_mask_info, 846 .get = snd_ac97_spdif_pmask_get, 847 }, 848 { 849 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 850 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 851 .info = snd_ac97_spdif_mask_info, 852 .get = snd_ac97_spdif_default_get, 853 .put = snd_ac97_spdif_default_put, 854 }, 855 856 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 857 { 858 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 859 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 860 .info = snd_ac97_info_volsw, 861 .get = snd_ac97_get_volsw, 862 .put = snd_ac97_put_spsa, 863 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 864 }, 865 }; 866 867 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 868 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 869 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 870 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 871 872 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 873 { 874 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 875 int mask = (kcontrol->private_value >> 16) & 0x0f; 876 int lshift = (kcontrol->private_value >> 8) & 0x0f; 877 int rshift = (kcontrol->private_value >> 12) & 0x0f; 878 879 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 880 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 881 uinfo->count = 2; 882 else 883 uinfo->count = 1; 884 uinfo->value.integer.min = 0; 885 uinfo->value.integer.max = mask; 886 return 0; 887 } 888 889 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 890 { 891 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 892 int codec = kcontrol->private_value & 3; 893 int lshift = (kcontrol->private_value >> 8) & 0x0f; 894 int rshift = (kcontrol->private_value >> 12) & 0x0f; 895 int mask = (kcontrol->private_value >> 16) & 0xff; 896 897 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 899 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 900 return 0; 901 } 902 903 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 904 { 905 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 906 int codec = kcontrol->private_value & 3; 907 int lshift = (kcontrol->private_value >> 8) & 0x0f; 908 int rshift = (kcontrol->private_value >> 12) & 0x0f; 909 int mask = (kcontrol->private_value >> 16) & 0xff; 910 unsigned short val, valmask; 911 912 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 913 valmask = mask << lshift; 914 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 915 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 916 valmask |= mask << rshift; 917 } 918 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 919 } 920 921 #define AD18XX_PCM_VOLUME(xname, codec) \ 922 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 923 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 924 .private_value = codec } 925 926 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 927 { 928 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 929 uinfo->count = 2; 930 uinfo->value.integer.min = 0; 931 uinfo->value.integer.max = 31; 932 return 0; 933 } 934 935 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 936 { 937 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 938 int codec = kcontrol->private_value & 3; 939 940 mutex_lock(&ac97->page_mutex); 941 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 942 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 943 mutex_unlock(&ac97->page_mutex); 944 return 0; 945 } 946 947 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 948 { 949 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 950 int codec = kcontrol->private_value & 3; 951 unsigned short val1, val2; 952 953 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 954 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 955 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 956 } 957 958 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 959 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 960 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 961 }; 962 963 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 964 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 965 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 966 }; 967 968 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 969 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 970 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 971 }; 972 973 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 974 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 975 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 976 }; 977 978 /* 979 * 980 */ 981 982 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 983 984 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 985 { 986 if (bus) { 987 snd_ac97_bus_proc_done(bus); 988 kfree(bus->pcms); 989 if (bus->private_free) 990 bus->private_free(bus); 991 kfree(bus); 992 } 993 return 0; 994 } 995 996 static int snd_ac97_bus_dev_free(struct snd_device *device) 997 { 998 struct snd_ac97_bus *bus = device->device_data; 999 return snd_ac97_bus_free(bus); 1000 } 1001 1002 static int snd_ac97_free(struct snd_ac97 *ac97) 1003 { 1004 if (ac97) { 1005 #ifdef CONFIG_SND_AC97_POWER_SAVE 1006 cancel_delayed_work_sync(&ac97->power_work); 1007 #endif 1008 snd_ac97_proc_done(ac97); 1009 if (ac97->bus) 1010 ac97->bus->codec[ac97->num] = NULL; 1011 if (ac97->private_free) 1012 ac97->private_free(ac97); 1013 kfree(ac97); 1014 } 1015 return 0; 1016 } 1017 1018 static int snd_ac97_dev_free(struct snd_device *device) 1019 { 1020 struct snd_ac97 *ac97 = device->device_data; 1021 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1022 return snd_ac97_free(ac97); 1023 } 1024 1025 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1026 { 1027 unsigned short val, mask = AC97_MUTE_MASK_MONO; 1028 1029 if (! snd_ac97_valid_reg(ac97, reg)) 1030 return 0; 1031 1032 switch (reg) { 1033 case AC97_MASTER_TONE: 1034 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0; 1035 case AC97_HEADPHONE: 1036 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0; 1037 case AC97_REC_GAIN_MIC: 1038 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0; 1039 case AC97_3D_CONTROL: 1040 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) { 1041 val = snd_ac97_read(ac97, reg); 1042 /* if nonzero - fixed and we can't set it */ 1043 return val == 0; 1044 } 1045 return 0; 1046 case AC97_CENTER_LFE_MASTER: /* center */ 1047 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1048 return 0; 1049 break; 1050 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1051 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1052 return 0; 1053 reg = AC97_CENTER_LFE_MASTER; 1054 mask = 0x0080; 1055 break; 1056 case AC97_SURROUND_MASTER: 1057 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1058 return 0; 1059 break; 1060 } 1061 1062 val = snd_ac97_read(ac97, reg); 1063 if (!(val & mask)) { 1064 /* nothing seems to be here - mute flag is not set */ 1065 /* try another test */ 1066 snd_ac97_write_cache(ac97, reg, val | mask); 1067 val = snd_ac97_read(ac97, reg); 1068 val = snd_ac97_read(ac97, reg); 1069 if (!(val & mask)) 1070 return 0; /* nothing here */ 1071 } 1072 return 1; /* success, useable */ 1073 } 1074 1075 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1076 { 1077 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1078 unsigned char max[3] = { 63, 31, 15 }; 1079 int i; 1080 1081 /* first look up the static resolution table */ 1082 if (ac97->res_table) { 1083 const struct snd_ac97_res_table *tbl; 1084 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1085 if (tbl->reg == reg) { 1086 *lo_max = tbl->bits & 0xff; 1087 *hi_max = (tbl->bits >> 8) & 0xff; 1088 return; 1089 } 1090 } 1091 } 1092 1093 *lo_max = *hi_max = 0; 1094 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1095 unsigned short val; 1096 snd_ac97_write( 1097 ac97, reg, 1098 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8) 1099 ); 1100 /* Do the read twice due to buffers on some ac97 codecs. 1101 * e.g. The STAC9704 returns exactly what you wrote to the register 1102 * if you read it immediately. This causes the detect routine to fail. 1103 */ 1104 val = snd_ac97_read(ac97, reg); 1105 val = snd_ac97_read(ac97, reg); 1106 if (! *lo_max && (val & 0x7f) == cbit[i]) 1107 *lo_max = max[i]; 1108 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1109 *hi_max = max[i]; 1110 if (*lo_max && *hi_max) 1111 break; 1112 } 1113 } 1114 1115 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1116 { 1117 unsigned short mask, val, orig, res; 1118 1119 mask = 1 << bit; 1120 orig = snd_ac97_read(ac97, reg); 1121 val = orig ^ mask; 1122 snd_ac97_write(ac97, reg, val); 1123 res = snd_ac97_read(ac97, reg); 1124 snd_ac97_write_cache(ac97, reg, orig); 1125 return res == val; 1126 } 1127 1128 /* check the volume resolution of center/lfe */ 1129 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1130 { 1131 unsigned short val, val1; 1132 1133 *max = 63; 1134 val = AC97_MUTE_MASK_STEREO | (0x20 << shift); 1135 snd_ac97_write(ac97, reg, val); 1136 val1 = snd_ac97_read(ac97, reg); 1137 if (val != val1) { 1138 *max = 31; 1139 } 1140 /* reset volume to zero */ 1141 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO); 1142 } 1143 1144 static inline int printable(unsigned int x) 1145 { 1146 x &= 0xff; 1147 if (x < ' ' || x >= 0x71) { 1148 if (x <= 0x89) 1149 return x - 0x71 + 'A'; 1150 return '?'; 1151 } 1152 return x; 1153 } 1154 1155 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, 1156 struct snd_ac97 * ac97) 1157 { 1158 struct snd_kcontrol_new template; 1159 memcpy(&template, _template, sizeof(template)); 1160 template.index = ac97->num; 1161 return snd_ctl_new1(&template, ac97); 1162 } 1163 1164 /* 1165 * create mute switch(es) for normal stereo controls 1166 */ 1167 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1168 int check_stereo, int check_amix, 1169 struct snd_ac97 *ac97) 1170 { 1171 struct snd_kcontrol *kctl; 1172 int err; 1173 unsigned short val, val1, mute_mask; 1174 1175 if (! snd_ac97_valid_reg(ac97, reg)) 1176 return 0; 1177 1178 mute_mask = AC97_MUTE_MASK_MONO; 1179 val = snd_ac97_read(ac97, reg); 1180 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1181 /* check whether both mute bits work */ 1182 val1 = val | AC97_MUTE_MASK_STEREO; 1183 snd_ac97_write(ac97, reg, val1); 1184 if (val1 == snd_ac97_read(ac97, reg)) 1185 mute_mask = AC97_MUTE_MASK_STEREO; 1186 } 1187 if (mute_mask == AC97_MUTE_MASK_STEREO) { 1188 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1189 if (check_amix) 1190 tmp.private_value |= (1 << 30); 1191 tmp.index = ac97->num; 1192 kctl = snd_ctl_new1(&tmp, ac97); 1193 } else { 1194 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1195 if (check_amix) 1196 tmp.private_value |= (1 << 30); 1197 tmp.index = ac97->num; 1198 kctl = snd_ctl_new1(&tmp, ac97); 1199 } 1200 err = snd_ctl_add(card, kctl); 1201 if (err < 0) 1202 return err; 1203 /* mute as default */ 1204 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1205 return 0; 1206 } 1207 1208 /* 1209 * set dB information 1210 */ 1211 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1212 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1213 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1214 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1215 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1216 1217 static const unsigned int *find_db_scale(unsigned int maxval) 1218 { 1219 switch (maxval) { 1220 case 0x0f: return db_scale_4bit; 1221 case 0x1f: return db_scale_5bit; 1222 case 0x3f: return db_scale_6bit; 1223 } 1224 return NULL; 1225 } 1226 1227 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1228 { 1229 kctl->tlv.p = tlv; 1230 if (tlv) 1231 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1232 } 1233 1234 /* 1235 * create a volume for normal stereo/mono controls 1236 */ 1237 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1238 unsigned int hi_max, struct snd_ac97 *ac97) 1239 { 1240 int err; 1241 struct snd_kcontrol *kctl; 1242 1243 if (! snd_ac97_valid_reg(ac97, reg)) 1244 return 0; 1245 if (hi_max) { 1246 /* invert */ 1247 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1248 tmp.index = ac97->num; 1249 kctl = snd_ctl_new1(&tmp, ac97); 1250 } else { 1251 /* invert */ 1252 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1253 tmp.index = ac97->num; 1254 kctl = snd_ctl_new1(&tmp, ac97); 1255 } 1256 if (!kctl) 1257 return -ENOMEM; 1258 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1259 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1260 else 1261 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1262 err = snd_ctl_add(card, kctl); 1263 if (err < 0) 1264 return err; 1265 snd_ac97_write_cache( 1266 ac97, reg, 1267 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO) 1268 | lo_max | (hi_max << 8) 1269 ); 1270 return 0; 1271 } 1272 1273 /* 1274 * create a mute-switch and a volume for normal stereo/mono controls 1275 */ 1276 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1277 int reg, int check_stereo, int check_amix, 1278 struct snd_ac97 *ac97) 1279 { 1280 int err; 1281 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 1282 unsigned char lo_max, hi_max; 1283 1284 if (! snd_ac97_valid_reg(ac97, reg)) 1285 return 0; 1286 1287 if (snd_ac97_try_bit(ac97, reg, 15)) { 1288 sprintf(name, "%s Switch", pfx); 1289 err = snd_ac97_cmute_new_stereo(card, name, reg, 1290 check_stereo, check_amix, 1291 ac97); 1292 if (err < 0) 1293 return err; 1294 } 1295 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1296 if (lo_max) { 1297 sprintf(name, "%s Volume", pfx); 1298 err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97); 1299 if (err < 0) 1300 return err; 1301 } 1302 return 0; 1303 } 1304 1305 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1306 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1307 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1308 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1309 1310 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1311 1312 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1313 { 1314 struct snd_card *card = ac97->bus->card; 1315 struct snd_kcontrol *kctl; 1316 int err; 1317 unsigned int idx; 1318 unsigned char max; 1319 1320 /* build master controls */ 1321 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1322 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1323 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1324 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1325 AC97_MASTER, 0, ac97); 1326 else 1327 err = snd_ac97_cmix_new(card, "Master Playback", 1328 AC97_MASTER, 0, ac97); 1329 if (err < 0) 1330 return err; 1331 } 1332 1333 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO; 1334 1335 /* build center controls */ 1336 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1337 && !(ac97->flags & AC97_AD_MULTI)) { 1338 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97)); 1339 if (err < 0) 1340 return err; 1341 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97)); 1342 if (err < 0) 1343 return err; 1344 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1345 kctl->private_value &= ~(0xff << 16); 1346 kctl->private_value |= (int)max << 16; 1347 set_tlv_db_scale(kctl, find_db_scale(max)); 1348 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1349 } 1350 1351 /* build LFE controls */ 1352 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1353 && !(ac97->flags & AC97_AD_MULTI)) { 1354 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97)); 1355 if (err < 0) 1356 return err; 1357 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97)); 1358 if (err < 0) 1359 return err; 1360 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1361 kctl->private_value &= ~(0xff << 16); 1362 kctl->private_value |= (int)max << 16; 1363 set_tlv_db_scale(kctl, find_db_scale(max)); 1364 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1365 } 1366 1367 /* build surround controls */ 1368 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1369 && !(ac97->flags & AC97_AD_MULTI)) { 1370 /* Surround Master (0x38) is with stereo mutes */ 1371 err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1372 AC97_SURROUND_MASTER, 1, 0, 1373 ac97); 1374 if (err < 0) 1375 return err; 1376 } 1377 1378 /* build headphone controls */ 1379 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1380 err = snd_ac97_cmix_new(card, "Headphone Playback", 1381 AC97_HEADPHONE, 0, ac97); 1382 if (err < 0) 1383 return err; 1384 } 1385 1386 /* build master mono controls */ 1387 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1388 err = snd_ac97_cmix_new(card, "Master Mono Playback", 1389 AC97_MASTER_MONO, 0, ac97); 1390 if (err < 0) 1391 return err; 1392 } 1393 1394 /* build master tone controls */ 1395 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1396 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1397 for (idx = 0; idx < 2; idx++) { 1398 kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97); 1399 err = snd_ctl_add(card, kctl); 1400 if (err < 0) 1401 return err; 1402 if (ac97->id == AC97_ID_YMF743 || 1403 ac97->id == AC97_ID_YMF753) { 1404 kctl->private_value &= ~(0xff << 16); 1405 kctl->private_value |= 7 << 16; 1406 } 1407 } 1408 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1409 } 1410 } 1411 1412 /* build Beep controls */ 1413 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1414 ((ac97->flags & AC97_HAS_PC_BEEP) || 1415 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1416 for (idx = 0; idx < 2; idx++) { 1417 kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97); 1418 err = snd_ctl_add(card, kctl); 1419 if (err < 0) 1420 return err; 1421 } 1422 set_tlv_db_scale(kctl, db_scale_4bit); 1423 snd_ac97_write_cache( 1424 ac97, 1425 AC97_PC_BEEP, 1426 (snd_ac97_read(ac97, AC97_PC_BEEP) 1427 | AC97_MUTE_MASK_MONO | 0x001e) 1428 ); 1429 } 1430 1431 /* build Phone controls */ 1432 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1433 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1434 err = snd_ac97_cmix_new(card, "Phone Playback", 1435 AC97_PHONE, 1, ac97); 1436 if (err < 0) 1437 return err; 1438 } 1439 } 1440 1441 /* build MIC controls */ 1442 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1443 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1444 err = snd_ac97_cmix_new(card, "Mic Playback", 1445 AC97_MIC, 1, ac97); 1446 if (err < 0) 1447 return err; 1448 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97)); 1449 if (err < 0) 1450 return err; 1451 } 1452 } 1453 1454 /* build Line controls */ 1455 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1456 err = snd_ac97_cmix_new(card, "Line Playback", 1457 AC97_LINE, 1, ac97); 1458 if (err < 0) 1459 return err; 1460 } 1461 1462 /* build CD controls */ 1463 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1464 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1465 err = snd_ac97_cmix_new(card, "CD Playback", 1466 AC97_CD, 1, ac97); 1467 if (err < 0) 1468 return err; 1469 } 1470 } 1471 1472 /* build Video controls */ 1473 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1474 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1475 err = snd_ac97_cmix_new(card, "Video Playback", 1476 AC97_VIDEO, 1, ac97); 1477 if (err < 0) 1478 return err; 1479 } 1480 } 1481 1482 /* build Aux controls */ 1483 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1484 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1485 err = snd_ac97_cmix_new(card, "Aux Playback", 1486 AC97_AUX, 1, ac97); 1487 if (err < 0) 1488 return err; 1489 } 1490 } 1491 1492 /* build PCM controls */ 1493 if (ac97->flags & AC97_AD_MULTI) { 1494 unsigned short init_val; 1495 if (ac97->flags & AC97_STEREO_MUTES) 1496 init_val = 0x9f9f; 1497 else 1498 init_val = 0x9f1f; 1499 for (idx = 0; idx < 2; idx++) { 1500 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97); 1501 err = snd_ctl_add(card, kctl); 1502 if (err < 0) 1503 return err; 1504 } 1505 set_tlv_db_scale(kctl, db_scale_5bit); 1506 ac97->spec.ad18xx.pcmreg[0] = init_val; 1507 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1508 for (idx = 0; idx < 2; idx++) { 1509 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97); 1510 err = snd_ctl_add(card, kctl); 1511 if (err < 0) 1512 return err; 1513 } 1514 set_tlv_db_scale(kctl, db_scale_5bit); 1515 ac97->spec.ad18xx.pcmreg[1] = init_val; 1516 } 1517 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1518 for (idx = 0; idx < 2; idx++) { 1519 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97); 1520 err = snd_ctl_add(card, kctl); 1521 if (err < 0) 1522 return err; 1523 } 1524 set_tlv_db_scale(kctl, db_scale_5bit); 1525 for (idx = 0; idx < 2; idx++) { 1526 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97); 1527 err = snd_ctl_add(card, kctl); 1528 if (err < 0) 1529 return err; 1530 } 1531 set_tlv_db_scale(kctl, db_scale_5bit); 1532 ac97->spec.ad18xx.pcmreg[2] = init_val; 1533 } 1534 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1535 } else { 1536 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1537 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1538 err = snd_ac97_cmute_new(card, 1539 "PCM Playback Switch", 1540 AC97_PCM, 0, ac97); 1541 else 1542 err = snd_ac97_cmix_new(card, "PCM Playback", 1543 AC97_PCM, 0, ac97); 1544 if (err < 0) 1545 return err; 1546 } 1547 } 1548 1549 /* build Capture controls */ 1550 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1551 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97)); 1552 if (err < 0) 1553 return err; 1554 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1555 err = snd_ac97_cmute_new(card, "Capture Switch", 1556 AC97_REC_GAIN, 0, ac97); 1557 if (err < 0) 1558 return err; 1559 } 1560 kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97); 1561 err = snd_ctl_add(card, kctl); 1562 if (err < 0) 1563 return err; 1564 set_tlv_db_scale(kctl, db_scale_rec_gain); 1565 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1566 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1567 } 1568 /* build MIC Capture controls */ 1569 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1570 for (idx = 0; idx < 2; idx++) { 1571 kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97); 1572 err = snd_ctl_add(card, kctl); 1573 if (err < 0) 1574 return err; 1575 } 1576 set_tlv_db_scale(kctl, db_scale_rec_gain); 1577 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1578 } 1579 1580 /* build PCM out path & mute control */ 1581 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1582 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97)); 1583 if (err < 0) 1584 return err; 1585 } 1586 1587 /* build Simulated Stereo Enhancement control */ 1588 if (ac97->caps & AC97_BC_SIM_STEREO) { 1589 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97)); 1590 if (err < 0) 1591 return err; 1592 } 1593 1594 /* build 3D Stereo Enhancement control */ 1595 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1596 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97)); 1597 if (err < 0) 1598 return err; 1599 } 1600 1601 /* build Loudness control */ 1602 if (ac97->caps & AC97_BC_LOUDNESS) { 1603 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97)); 1604 if (err < 0) 1605 return err; 1606 } 1607 1608 /* build Mono output select control */ 1609 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1610 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97)); 1611 if (err < 0) 1612 return err; 1613 } 1614 1615 /* build Mic select control */ 1616 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1617 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97)); 1618 if (err < 0) 1619 return err; 1620 } 1621 1622 /* build ADC/DAC loopback control */ 1623 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1624 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97)); 1625 if (err < 0) 1626 return err; 1627 } 1628 1629 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1630 1631 /* build 3D controls */ 1632 if (ac97->build_ops->build_3d) { 1633 ac97->build_ops->build_3d(ac97); 1634 } else { 1635 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1636 unsigned short val; 1637 val = 0x0707; 1638 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1639 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1640 val = val == 0x0606; 1641 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97); 1642 err = snd_ctl_add(card, kctl); 1643 if (err < 0) 1644 return err; 1645 if (val) 1646 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1647 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97); 1648 err = snd_ctl_add(card, kctl); 1649 if (err < 0) 1650 return err; 1651 if (val) 1652 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1653 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1654 } 1655 } 1656 1657 /* build S/PDIF controls */ 1658 1659 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1660 if (ac97->subsystem_vendor == 0x1043 && 1661 ac97->subsystem_device == 0x810f) 1662 ac97->ext_id |= AC97_EI_SPDIF; 1663 1664 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1665 if (ac97->build_ops->build_spdif) { 1666 err = ac97->build_ops->build_spdif(ac97); 1667 if (err < 0) 1668 return err; 1669 } else { 1670 for (idx = 0; idx < 5; idx++) { 1671 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97)); 1672 if (err < 0) 1673 return err; 1674 } 1675 if (ac97->build_ops->build_post_spdif) { 1676 err = ac97->build_ops->build_post_spdif(ac97); 1677 if (err < 0) 1678 return err; 1679 } 1680 /* set default PCM S/PDIF params */ 1681 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1682 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1683 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1684 } 1685 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1686 } 1687 1688 /* build chip specific controls */ 1689 if (ac97->build_ops->build_specific) { 1690 err = ac97->build_ops->build_specific(ac97); 1691 if (err < 0) 1692 return err; 1693 } 1694 1695 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1696 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1697 if (! kctl) 1698 return -ENOMEM; 1699 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1700 set_inv_eapd(ac97, kctl); 1701 err = snd_ctl_add(card, kctl); 1702 if (err < 0) 1703 return err; 1704 } 1705 1706 return 0; 1707 } 1708 1709 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1710 { 1711 int err, idx; 1712 1713 /* 1714 ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n", 1715 snd_ac97_read(ac97,AC97_GPIO_CFG)); 1716 */ 1717 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1718 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1719 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1720 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1721 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1722 1723 /* build modem switches */ 1724 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) { 1725 err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97)); 1726 if (err < 0) 1727 return err; 1728 } 1729 1730 /* build chip specific controls */ 1731 if (ac97->build_ops->build_specific) { 1732 err = ac97->build_ops->build_specific(ac97); 1733 if (err < 0) 1734 return err; 1735 } 1736 1737 return 0; 1738 } 1739 1740 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1741 { 1742 unsigned short val; 1743 unsigned int tmp; 1744 1745 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1746 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1747 if (shadow_reg) 1748 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1749 val = snd_ac97_read(ac97, reg); 1750 return val == (tmp & 0xffff); 1751 } 1752 1753 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1754 { 1755 unsigned int result = 0; 1756 unsigned short saved; 1757 1758 if (ac97->bus->no_vra) { 1759 *r_result = SNDRV_PCM_RATE_48000; 1760 if ((ac97->flags & AC97_DOUBLE_RATE) && 1761 reg == AC97_PCM_FRONT_DAC_RATE) 1762 *r_result |= SNDRV_PCM_RATE_96000; 1763 return; 1764 } 1765 1766 saved = snd_ac97_read(ac97, reg); 1767 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1768 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1769 AC97_EA_DRA, 0); 1770 /* test a non-standard rate */ 1771 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1772 result |= SNDRV_PCM_RATE_CONTINUOUS; 1773 /* let's try to obtain standard rates */ 1774 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1775 result |= SNDRV_PCM_RATE_8000; 1776 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1777 result |= SNDRV_PCM_RATE_11025; 1778 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1779 result |= SNDRV_PCM_RATE_16000; 1780 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1781 result |= SNDRV_PCM_RATE_22050; 1782 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1783 result |= SNDRV_PCM_RATE_32000; 1784 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1785 result |= SNDRV_PCM_RATE_44100; 1786 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1787 result |= SNDRV_PCM_RATE_48000; 1788 if ((ac97->flags & AC97_DOUBLE_RATE) && 1789 reg == AC97_PCM_FRONT_DAC_RATE) { 1790 /* test standard double rates */ 1791 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1792 AC97_EA_DRA, AC97_EA_DRA); 1793 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1794 result |= SNDRV_PCM_RATE_64000; 1795 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1796 result |= SNDRV_PCM_RATE_88200; 1797 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1798 result |= SNDRV_PCM_RATE_96000; 1799 /* some codecs don't support variable double rates */ 1800 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1801 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1802 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1803 AC97_EA_DRA, 0); 1804 } 1805 /* restore the default value */ 1806 snd_ac97_write_cache(ac97, reg, saved); 1807 if (shadow_reg) 1808 snd_ac97_write_cache(ac97, shadow_reg, saved); 1809 *r_result = result; 1810 } 1811 1812 /* check AC97_SPDIF register to accept which sample rates */ 1813 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1814 { 1815 unsigned int result = 0; 1816 int i; 1817 static const unsigned short ctl_bits[] = { 1818 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1819 }; 1820 static const unsigned int rate_bits[] = { 1821 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1822 }; 1823 1824 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1825 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1826 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1827 result |= rate_bits[i]; 1828 } 1829 return result; 1830 } 1831 1832 /* look for the codec id table matching with the given id */ 1833 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1834 unsigned int id) 1835 { 1836 const struct ac97_codec_id *pid; 1837 1838 for (pid = table; pid->id; pid++) 1839 if (pid->id == (id & pid->mask)) 1840 return pid; 1841 return NULL; 1842 } 1843 1844 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1845 { 1846 const struct ac97_codec_id *pid; 1847 1848 sprintf(name, "0x%x %c%c%c", id, 1849 printable(id >> 24), 1850 printable(id >> 16), 1851 printable(id >> 8)); 1852 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1853 if (! pid) 1854 return; 1855 1856 strcpy(name, pid->name); 1857 if (ac97 && pid->patch) { 1858 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1859 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1860 pid->patch(ac97); 1861 } 1862 1863 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1864 if (pid) { 1865 strcat(name, " "); 1866 strcat(name, pid->name); 1867 if (pid->mask != 0xffffffff) 1868 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1869 if (ac97 && pid->patch) { 1870 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1871 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1872 pid->patch(ac97); 1873 } 1874 } else 1875 sprintf(name + strlen(name), " id %x", id & 0xff); 1876 } 1877 1878 /** 1879 * snd_ac97_get_short_name - retrieve codec name 1880 * @ac97: the codec instance 1881 * 1882 * Return: The short identifying name of the codec. 1883 */ 1884 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1885 { 1886 const struct ac97_codec_id *pid; 1887 1888 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1889 if (pid->id == (ac97->id & pid->mask)) 1890 return pid->name; 1891 return "unknown codec"; 1892 } 1893 1894 EXPORT_SYMBOL(snd_ac97_get_short_name); 1895 1896 /* wait for a while until registers are accessible after RESET 1897 * return 0 if ok, negative not ready 1898 */ 1899 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1900 { 1901 unsigned long end_time; 1902 unsigned short val; 1903 1904 end_time = jiffies + timeout; 1905 do { 1906 1907 /* use preliminary reads to settle the communication */ 1908 snd_ac97_read(ac97, AC97_RESET); 1909 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1910 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1911 /* modem? */ 1912 if (with_modem) { 1913 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1914 if (val != 0xffff && (val & 1) != 0) 1915 return 0; 1916 } 1917 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1918 /* probably only Xbox issue - all registers are read as zero */ 1919 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1920 if (val != 0 && val != 0xffff) 1921 return 0; 1922 } else { 1923 /* because the PCM or MASTER volume registers can be modified, 1924 * the REC_GAIN register is used for tests 1925 */ 1926 /* test if we can write to the record gain volume register */ 1927 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1928 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1929 return 0; 1930 } 1931 schedule_timeout_uninterruptible(1); 1932 } while (time_after_eq(end_time, jiffies)); 1933 return -ENODEV; 1934 } 1935 1936 /** 1937 * snd_ac97_bus - create an AC97 bus component 1938 * @card: the card instance 1939 * @num: the bus number 1940 * @ops: the bus callbacks table 1941 * @private_data: private data pointer for the new instance 1942 * @rbus: the pointer to store the new AC97 bus instance. 1943 * 1944 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1945 * allocated and initialized. 1946 * 1947 * The ops table must include valid callbacks (at least read and 1948 * write). The other callbacks, wait and reset, are not mandatory. 1949 * 1950 * The clock is set to 48000. If another clock is needed, set 1951 * ``(*rbus)->clock`` manually. 1952 * 1953 * The AC97 bus instance is registered as a low-level device, so you don't 1954 * have to release it manually. 1955 * 1956 * Return: Zero if successful, or a negative error code on failure. 1957 */ 1958 int snd_ac97_bus(struct snd_card *card, int num, 1959 const struct snd_ac97_bus_ops *ops, 1960 void *private_data, struct snd_ac97_bus **rbus) 1961 { 1962 int err; 1963 struct snd_ac97_bus *bus; 1964 static const struct snd_device_ops dev_ops = { 1965 .dev_free = snd_ac97_bus_dev_free, 1966 }; 1967 1968 if (snd_BUG_ON(!card)) 1969 return -EINVAL; 1970 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1971 if (bus == NULL) 1972 return -ENOMEM; 1973 bus->card = card; 1974 bus->num = num; 1975 bus->ops = ops; 1976 bus->private_data = private_data; 1977 bus->clock = 48000; 1978 spin_lock_init(&bus->bus_lock); 1979 snd_ac97_bus_proc_init(bus); 1980 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops); 1981 if (err < 0) { 1982 snd_ac97_bus_free(bus); 1983 return err; 1984 } 1985 if (rbus) 1986 *rbus = bus; 1987 return 0; 1988 } 1989 1990 EXPORT_SYMBOL(snd_ac97_bus); 1991 1992 /* stop no dev release warning */ 1993 static void ac97_device_release(struct device * dev) 1994 { 1995 } 1996 1997 /* register ac97 codec to bus */ 1998 static int snd_ac97_dev_register(struct snd_device *device) 1999 { 2000 struct snd_ac97 *ac97 = device->device_data; 2001 int err; 2002 2003 ac97->dev.bus = &ac97_bus_type; 2004 ac97->dev.parent = ac97->bus->card->dev; 2005 ac97->dev.release = ac97_device_release; 2006 dev_set_name(&ac97->dev, "%d-%d:%s", 2007 ac97->bus->card->number, ac97->num, 2008 snd_ac97_get_short_name(ac97)); 2009 err = device_register(&ac97->dev); 2010 if (err < 0) { 2011 ac97_err(ac97, "Can't register ac97 bus\n"); 2012 put_device(&ac97->dev); 2013 ac97->dev.bus = NULL; 2014 return err; 2015 } 2016 return 0; 2017 } 2018 2019 /* disconnect ac97 codec */ 2020 static int snd_ac97_dev_disconnect(struct snd_device *device) 2021 { 2022 struct snd_ac97 *ac97 = device->device_data; 2023 if (ac97->dev.bus) 2024 device_unregister(&ac97->dev); 2025 return 0; 2026 } 2027 2028 /* build_ops to do nothing */ 2029 static const struct snd_ac97_build_ops null_build_ops; 2030 2031 #ifdef CONFIG_SND_AC97_POWER_SAVE 2032 static void do_update_power(struct work_struct *work) 2033 { 2034 update_power_regs( 2035 container_of(work, struct snd_ac97, power_work.work)); 2036 } 2037 #endif 2038 2039 /** 2040 * snd_ac97_mixer - create an Codec97 component 2041 * @bus: the AC97 bus which codec is attached to 2042 * @template: the template of ac97, including index, callbacks and 2043 * the private data. 2044 * @rac97: the pointer to store the new ac97 instance. 2045 * 2046 * Creates an Codec97 component. An struct snd_ac97 instance is newly 2047 * allocated and initialized from the template. The codec 2048 * is then initialized by the standard procedure. 2049 * 2050 * The template must include the codec number (num) and address (addr), 2051 * and the private data (private_data). 2052 * 2053 * The ac97 instance is registered as a low-level device, so you don't 2054 * have to release it manually. 2055 * 2056 * Return: Zero if successful, or a negative error code on failure. 2057 */ 2058 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 2059 { 2060 int err; 2061 struct snd_ac97 *ac97; 2062 struct snd_card *card; 2063 char name[64]; 2064 unsigned long end_time; 2065 unsigned int reg; 2066 const struct ac97_codec_id *pid; 2067 static const struct snd_device_ops ops = { 2068 .dev_free = snd_ac97_dev_free, 2069 .dev_register = snd_ac97_dev_register, 2070 .dev_disconnect = snd_ac97_dev_disconnect, 2071 }; 2072 2073 if (rac97) 2074 *rac97 = NULL; 2075 if (snd_BUG_ON(!bus || !template)) 2076 return -EINVAL; 2077 if (snd_BUG_ON(template->num >= 4)) 2078 return -EINVAL; 2079 if (bus->codec[template->num]) 2080 return -EBUSY; 2081 2082 card = bus->card; 2083 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 2084 if (ac97 == NULL) 2085 return -ENOMEM; 2086 ac97->private_data = template->private_data; 2087 ac97->private_free = template->private_free; 2088 ac97->bus = bus; 2089 ac97->pci = template->pci; 2090 ac97->num = template->num; 2091 ac97->addr = template->addr; 2092 ac97->scaps = template->scaps; 2093 ac97->res_table = template->res_table; 2094 bus->codec[ac97->num] = ac97; 2095 mutex_init(&ac97->reg_mutex); 2096 mutex_init(&ac97->page_mutex); 2097 #ifdef CONFIG_SND_AC97_POWER_SAVE 2098 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2099 #endif 2100 2101 #ifdef CONFIG_PCI 2102 if (ac97->pci) { 2103 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2104 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2105 } 2106 #endif 2107 if (bus->ops->reset) { 2108 bus->ops->reset(ac97); 2109 goto __access_ok; 2110 } 2111 2112 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2113 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2114 if (ac97->id && ac97->id != (unsigned int)-1) { 2115 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2116 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2117 goto __access_ok; 2118 } 2119 2120 /* reset to defaults */ 2121 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2122 snd_ac97_write(ac97, AC97_RESET, 0); 2123 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2124 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2125 if (bus->ops->wait) 2126 bus->ops->wait(ac97); 2127 else { 2128 udelay(50); 2129 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2130 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2131 else { 2132 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2133 if (err < 0) 2134 err = ac97_reset_wait(ac97, 2135 msecs_to_jiffies(500), 1); 2136 } 2137 if (err < 0) { 2138 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n", 2139 ac97->num); 2140 /* proceed anyway - it's often non-critical */ 2141 } 2142 } 2143 __access_ok: 2144 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2145 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2146 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2147 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2148 ac97_err(ac97, 2149 "AC'97 %d access is not valid [0x%x], removing mixer.\n", 2150 ac97->num, ac97->id); 2151 snd_ac97_free(ac97); 2152 return -EIO; 2153 } 2154 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2155 if (pid) 2156 ac97->flags |= pid->flags; 2157 2158 /* test for AC'97 */ 2159 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2160 /* test if we can write to the record gain volume register */ 2161 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2162 err = snd_ac97_read(ac97, AC97_REC_GAIN); 2163 if ((err & 0x7fff) == 0x0a06) 2164 ac97->scaps |= AC97_SCAP_AUDIO; 2165 } 2166 if (ac97->scaps & AC97_SCAP_AUDIO) { 2167 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2168 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2169 if (ac97->ext_id == 0xffff) /* invalid combination */ 2170 ac97->ext_id = 0; 2171 } 2172 2173 /* test for MC'97 */ 2174 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2175 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2176 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2177 ac97->ext_mid = 0; 2178 if (ac97->ext_mid & 1) 2179 ac97->scaps |= AC97_SCAP_MODEM; 2180 } 2181 2182 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2183 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2184 ac97_err(ac97, 2185 "AC'97 %d access error (not audio or modem codec)\n", 2186 ac97->num); 2187 snd_ac97_free(ac97); 2188 return -EACCES; 2189 } 2190 2191 if (bus->ops->reset) // FIXME: always skipping? 2192 goto __ready_ok; 2193 2194 /* FIXME: add powerdown control */ 2195 if (ac97_is_audio(ac97)) { 2196 /* nothing should be in powerdown mode */ 2197 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2198 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2199 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2200 udelay(100); 2201 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2202 } 2203 /* nothing should be in powerdown mode */ 2204 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2205 end_time = jiffies + msecs_to_jiffies(5000); 2206 do { 2207 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2208 goto __ready_ok; 2209 schedule_timeout_uninterruptible(1); 2210 } while (time_after_eq(end_time, jiffies)); 2211 ac97_warn(ac97, 2212 "AC'97 %d analog subsections not ready\n", ac97->num); 2213 } 2214 2215 /* FIXME: add powerdown control */ 2216 if (ac97_is_modem(ac97)) { 2217 unsigned char tmp; 2218 2219 /* nothing should be in powerdown mode */ 2220 /* note: it's important to set the rate at first */ 2221 tmp = AC97_MEA_GPIO; 2222 if (ac97->ext_mid & AC97_MEI_LINE1) { 2223 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2224 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2225 } 2226 if (ac97->ext_mid & AC97_MEI_LINE2) { 2227 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2228 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2229 } 2230 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2231 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2232 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2233 } 2234 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2235 udelay(100); 2236 /* nothing should be in powerdown mode */ 2237 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2238 end_time = jiffies + msecs_to_jiffies(100); 2239 do { 2240 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2241 goto __ready_ok; 2242 schedule_timeout_uninterruptible(1); 2243 } while (time_after_eq(end_time, jiffies)); 2244 ac97_warn(ac97, 2245 "MC'97 %d converters and GPIO not ready (0x%x)\n", 2246 ac97->num, 2247 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2248 } 2249 2250 __ready_ok: 2251 if (ac97_is_audio(ac97)) 2252 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2253 else 2254 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2255 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2256 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2257 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2258 if (! bus->no_vra) 2259 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2260 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2261 } 2262 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2263 /* Intel controllers require double rate data to be put in 2264 * slots 7+8, so let's hope the codec supports it. */ 2265 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2266 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2267 ac97->flags |= AC97_DOUBLE_RATE; 2268 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2269 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2270 } 2271 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2272 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2273 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2274 } else { 2275 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2276 if (ac97->flags & AC97_DOUBLE_RATE) 2277 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2278 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2279 } 2280 if (ac97->ext_id & AC97_EI_SPDIF) { 2281 /* codec specific code (patch) should override these values */ 2282 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2283 } 2284 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2285 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2286 } else { 2287 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2288 } 2289 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2290 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2291 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2292 } 2293 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2294 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2295 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2296 } 2297 /* additional initializations */ 2298 if (bus->ops->init) 2299 bus->ops->init(ac97); 2300 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2301 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2302 if (! ac97->build_ops) 2303 ac97->build_ops = &null_build_ops; 2304 2305 if (ac97_is_audio(ac97)) { 2306 char comp[16]; 2307 if (card->mixername[0] == '\0') { 2308 strcpy(card->mixername, name); 2309 } else { 2310 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2311 strcat(card->mixername, ","); 2312 strcat(card->mixername, name); 2313 } 2314 } 2315 sprintf(comp, "AC97a:%08x", ac97->id); 2316 err = snd_component_add(card, comp); 2317 if (err < 0) { 2318 snd_ac97_free(ac97); 2319 return err; 2320 } 2321 if (snd_ac97_mixer_build(ac97) < 0) { 2322 snd_ac97_free(ac97); 2323 return -ENOMEM; 2324 } 2325 } 2326 if (ac97_is_modem(ac97)) { 2327 char comp[16]; 2328 if (card->mixername[0] == '\0') { 2329 strcpy(card->mixername, name); 2330 } else { 2331 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2332 strcat(card->mixername, ","); 2333 strcat(card->mixername, name); 2334 } 2335 } 2336 sprintf(comp, "AC97m:%08x", ac97->id); 2337 err = snd_component_add(card, comp); 2338 if (err < 0) { 2339 snd_ac97_free(ac97); 2340 return err; 2341 } 2342 if (snd_ac97_modem_build(card, ac97) < 0) { 2343 snd_ac97_free(ac97); 2344 return -ENOMEM; 2345 } 2346 } 2347 if (ac97_is_audio(ac97)) 2348 update_power_regs(ac97); 2349 snd_ac97_proc_init(ac97); 2350 err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops); 2351 if (err < 0) { 2352 snd_ac97_free(ac97); 2353 return err; 2354 } 2355 *rac97 = ac97; 2356 return 0; 2357 } 2358 2359 EXPORT_SYMBOL(snd_ac97_mixer); 2360 2361 /* 2362 * Power down the chip. 2363 * 2364 * MASTER and HEADPHONE registers are muted but the register cache values 2365 * are not changed, so that the values can be restored in snd_ac97_resume(). 2366 */ 2367 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2368 { 2369 unsigned short power; 2370 2371 if (ac97_is_audio(ac97)) { 2372 /* some codecs have stereo mute bits */ 2373 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2374 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2375 } 2376 2377 /* surround, CLFE, mic powerdown */ 2378 power = ac97->regs[AC97_EXTENDED_STATUS]; 2379 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2380 power |= AC97_EA_PRJ; 2381 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2382 power |= AC97_EA_PRI | AC97_EA_PRK; 2383 power |= AC97_EA_PRL; 2384 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2385 2386 /* powerdown external amplifier */ 2387 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2388 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2389 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2390 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2391 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2392 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2393 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2394 udelay(100); 2395 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ 2396 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2397 if (ac97_is_power_save_mode(ac97)) { 2398 power |= AC97_PD_PR3; /* Analog Mixer powerdown */ 2399 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2400 udelay(100); 2401 /* AC-link powerdown, internal Clk disable */ 2402 /* FIXME: this may cause click noises on some boards */ 2403 power |= AC97_PD_PR4 | AC97_PD_PR5; 2404 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2405 } 2406 } 2407 2408 2409 struct ac97_power_reg { 2410 unsigned short reg; 2411 unsigned short power_reg; 2412 unsigned short mask; 2413 }; 2414 2415 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2416 2417 static const struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2418 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2419 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2420 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2421 AC97_EA_PRI | AC97_EA_PRK}, 2422 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2423 AC97_EA_PRJ}, 2424 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2425 AC97_EA_PRL}, 2426 }; 2427 2428 #ifdef CONFIG_SND_AC97_POWER_SAVE 2429 /** 2430 * snd_ac97_update_power - update the powerdown register 2431 * @ac97: the codec instance 2432 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2433 * @powerup: non-zero when power up the part 2434 * 2435 * Update the AC97 powerdown register bits of the given part. 2436 * 2437 * Return: Zero. 2438 */ 2439 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2440 { 2441 int i; 2442 2443 if (! ac97) 2444 return 0; 2445 2446 if (reg) { 2447 /* SPDIF requires DAC power, too */ 2448 if (reg == AC97_SPDIF) 2449 reg = AC97_PCM_FRONT_DAC_RATE; 2450 for (i = 0; i < PWIDX_SIZE; i++) { 2451 if (power_regs[i].reg == reg) { 2452 if (powerup) 2453 ac97->power_up |= (1 << i); 2454 else 2455 ac97->power_up &= ~(1 << i); 2456 break; 2457 } 2458 } 2459 } 2460 2461 if (ac97_is_power_save_mode(ac97) && !powerup) 2462 /* adjust power-down bits after two seconds delay 2463 * (for avoiding loud click noises for many (OSS) apps 2464 * that open/close frequently) 2465 */ 2466 schedule_delayed_work(&ac97->power_work, 2467 msecs_to_jiffies(power_save * 1000)); 2468 else { 2469 cancel_delayed_work(&ac97->power_work); 2470 update_power_regs(ac97); 2471 } 2472 2473 return 0; 2474 } 2475 2476 EXPORT_SYMBOL(snd_ac97_update_power); 2477 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2478 2479 static void update_power_regs(struct snd_ac97 *ac97) 2480 { 2481 unsigned int power_up, bits; 2482 int i; 2483 2484 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2485 power_up |= (1 << PWIDX_MIC); 2486 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2487 power_up |= (1 << PWIDX_SURR); 2488 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2489 power_up |= (1 << PWIDX_CLFE); 2490 #ifdef CONFIG_SND_AC97_POWER_SAVE 2491 if (ac97_is_power_save_mode(ac97)) 2492 power_up = ac97->power_up; 2493 #endif 2494 if (power_up) { 2495 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2496 /* needs power-up analog mix and vref */ 2497 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2498 AC97_PD_PR3, 0); 2499 msleep(1); 2500 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2501 AC97_PD_PR2, 0); 2502 } 2503 } 2504 for (i = 0; i < PWIDX_SIZE; i++) { 2505 if (power_up & (1 << i)) 2506 bits = 0; 2507 else 2508 bits = power_regs[i].mask; 2509 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2510 power_regs[i].mask, bits); 2511 } 2512 if (! power_up) { 2513 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2514 /* power down analog mix and vref */ 2515 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2516 AC97_PD_PR2, AC97_PD_PR2); 2517 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2518 AC97_PD_PR3, AC97_PD_PR3); 2519 } 2520 } 2521 } 2522 2523 2524 #ifdef CONFIG_PM 2525 /** 2526 * snd_ac97_suspend - General suspend function for AC97 codec 2527 * @ac97: the ac97 instance 2528 * 2529 * Suspends the codec, power down the chip. 2530 */ 2531 void snd_ac97_suspend(struct snd_ac97 *ac97) 2532 { 2533 if (! ac97) 2534 return; 2535 if (ac97->build_ops->suspend) 2536 ac97->build_ops->suspend(ac97); 2537 #ifdef CONFIG_SND_AC97_POWER_SAVE 2538 cancel_delayed_work_sync(&ac97->power_work); 2539 #endif 2540 snd_ac97_powerdown(ac97); 2541 } 2542 2543 EXPORT_SYMBOL(snd_ac97_suspend); 2544 2545 /* 2546 * restore ac97 status 2547 */ 2548 static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2549 { 2550 int i; 2551 2552 for (i = 2; i < 0x7c ; i += 2) { 2553 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2554 continue; 2555 /* restore only accessible registers 2556 * some chip (e.g. nm256) may hang up when unsupported registers 2557 * are accessed..! 2558 */ 2559 if (test_bit(i, ac97->reg_accessed)) { 2560 snd_ac97_write(ac97, i, ac97->regs[i]); 2561 snd_ac97_read(ac97, i); 2562 } 2563 } 2564 } 2565 2566 /* 2567 * restore IEC958 status 2568 */ 2569 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2570 { 2571 if (ac97->ext_id & AC97_EI_SPDIF) { 2572 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2573 /* reset spdif status */ 2574 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2575 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2576 if (ac97->flags & AC97_CS_SPDIF) 2577 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2578 else 2579 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2580 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2581 } 2582 } 2583 } 2584 2585 /** 2586 * snd_ac97_resume - General resume function for AC97 codec 2587 * @ac97: the ac97 instance 2588 * 2589 * Do the standard resume procedure, power up and restoring the 2590 * old register values. 2591 */ 2592 void snd_ac97_resume(struct snd_ac97 *ac97) 2593 { 2594 unsigned long end_time; 2595 2596 if (! ac97) 2597 return; 2598 2599 if (ac97->bus->ops->reset) { 2600 ac97->bus->ops->reset(ac97); 2601 goto __reset_ready; 2602 } 2603 2604 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2605 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2606 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2607 snd_ac97_write(ac97, AC97_RESET, 0); 2608 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2609 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2610 udelay(100); 2611 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2612 } 2613 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2614 2615 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2616 if (ac97_is_audio(ac97)) { 2617 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2618 end_time = jiffies + msecs_to_jiffies(100); 2619 do { 2620 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2621 break; 2622 schedule_timeout_uninterruptible(1); 2623 } while (time_after_eq(end_time, jiffies)); 2624 /* FIXME: extra delay */ 2625 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO); 2626 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO) 2627 msleep(250); 2628 } else { 2629 end_time = jiffies + msecs_to_jiffies(100); 2630 do { 2631 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2632 if (val != 0xffff && (val & 1) != 0) 2633 break; 2634 schedule_timeout_uninterruptible(1); 2635 } while (time_after_eq(end_time, jiffies)); 2636 } 2637 __reset_ready: 2638 2639 if (ac97->bus->ops->init) 2640 ac97->bus->ops->init(ac97); 2641 2642 if (ac97->build_ops->resume) 2643 ac97->build_ops->resume(ac97); 2644 else { 2645 snd_ac97_restore_status(ac97); 2646 snd_ac97_restore_iec958(ac97); 2647 } 2648 } 2649 2650 EXPORT_SYMBOL(snd_ac97_resume); 2651 #endif 2652 2653 2654 /* 2655 * Hardware tuning 2656 */ 2657 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2658 { 2659 const size_t msize = SNDRV_CTL_ELEM_ID_NAME_MAXLEN; 2660 2661 if (suffix) { 2662 if (snprintf(dst, msize, "%s %s", src, suffix) >= msize) 2663 pr_warn("ALSA: AC97 control name '%s %s' truncated to '%s'\n", 2664 src, suffix, dst); 2665 } else { 2666 if (strscpy(dst, src, msize) < 0) 2667 pr_warn("ALSA: AC97 control name '%s' truncated to '%s'\n", 2668 src, dst); 2669 } 2670 } 2671 2672 /* remove the control with the given name and optional suffix */ 2673 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2674 const char *suffix) 2675 { 2676 struct snd_ctl_elem_id id; 2677 memset(&id, 0, sizeof(id)); 2678 set_ctl_name(id.name, name, suffix); 2679 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2680 return snd_ctl_remove_id(ac97->bus->card, &id); 2681 } 2682 2683 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2684 { 2685 struct snd_ctl_elem_id sid; 2686 memset(&sid, 0, sizeof(sid)); 2687 set_ctl_name(sid.name, name, suffix); 2688 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2689 return snd_ctl_find_id(ac97->bus->card, &sid); 2690 } 2691 2692 /* rename the control with the given name and optional suffix */ 2693 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2694 const char *dst, const char *suffix) 2695 { 2696 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2697 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 2698 2699 if (kctl) { 2700 set_ctl_name(name, dst, suffix); 2701 snd_ctl_rename(ac97->bus->card, kctl, name); 2702 return 0; 2703 } 2704 return -ENOENT; 2705 } 2706 2707 /* rename both Volume and Switch controls - don't check the return value */ 2708 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2709 const char *dst) 2710 { 2711 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2712 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2713 } 2714 2715 /* swap controls */ 2716 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2717 const char *s2, const char *suffix) 2718 { 2719 struct snd_kcontrol *kctl1, *kctl2; 2720 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 2721 2722 kctl1 = ctl_find(ac97, s1, suffix); 2723 kctl2 = ctl_find(ac97, s2, suffix); 2724 if (kctl1 && kctl2) { 2725 set_ctl_name(name, s2, suffix); 2726 snd_ctl_rename(ac97->bus->card, kctl1, name); 2727 2728 set_ctl_name(name, s1, suffix); 2729 snd_ctl_rename(ac97->bus->card, kctl2, name); 2730 2731 return 0; 2732 } 2733 return -ENOENT; 2734 } 2735 2736 #if 1 2737 /* bind hp and master controls instead of using only hp control */ 2738 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2739 { 2740 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2741 if (err > 0) { 2742 unsigned long priv_saved = kcontrol->private_value; 2743 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2744 snd_ac97_put_volsw(kcontrol, ucontrol); 2745 kcontrol->private_value = priv_saved; 2746 } 2747 return err; 2748 } 2749 2750 /* ac97 tune: bind Master and Headphone controls */ 2751 static int tune_hp_only(struct snd_ac97 *ac97) 2752 { 2753 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2754 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2755 if (! msw || ! mvol) 2756 return -ENOENT; 2757 msw->put = bind_hp_volsw_put; 2758 mvol->put = bind_hp_volsw_put; 2759 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2760 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2761 return 0; 2762 } 2763 2764 #else 2765 /* ac97 tune: use Headphone control as master */ 2766 static int tune_hp_only(struct snd_ac97 *ac97) 2767 { 2768 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2769 return -ENOENT; 2770 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2771 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2772 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2773 return 0; 2774 } 2775 #endif 2776 2777 /* ac97 tune: swap Headphone and Master controls */ 2778 static int tune_swap_hp(struct snd_ac97 *ac97) 2779 { 2780 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2781 return -ENOENT; 2782 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2783 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2784 return 0; 2785 } 2786 2787 /* ac97 tune: swap Surround and Master controls */ 2788 static int tune_swap_surround(struct snd_ac97 *ac97) 2789 { 2790 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2791 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2792 return -ENOENT; 2793 return 0; 2794 } 2795 2796 /* ac97 tune: set up mic sharing for AD codecs */ 2797 static int tune_ad_sharing(struct snd_ac97 *ac97) 2798 { 2799 unsigned short scfg; 2800 if ((ac97->id & 0xffffff00) != 0x41445300) { 2801 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n"); 2802 return -EINVAL; 2803 } 2804 /* Turn on OMS bit to route microphone to back panel */ 2805 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2806 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2807 return 0; 2808 } 2809 2810 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2811 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2812 2813 /* ac97 tune: set up ALC jack-select */ 2814 static int tune_alc_jack(struct snd_ac97 *ac97) 2815 { 2816 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2817 ac97_err(ac97, 2818 "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2819 return -EINVAL; 2820 } 2821 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2822 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2823 if (ac97->id == AC97_ID_ALC658D) 2824 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2825 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2826 } 2827 2828 /* ac97 tune: inversed EAPD bit */ 2829 static int tune_inv_eapd(struct snd_ac97 *ac97) 2830 { 2831 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2832 if (! kctl) 2833 return -ENOENT; 2834 set_inv_eapd(ac97, kctl); 2835 return 0; 2836 } 2837 2838 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2839 { 2840 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2841 if (err > 0) { 2842 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2843 int shift = (kcontrol->private_value >> 8) & 0x0f; 2844 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2845 unsigned short mask; 2846 if (shift != rshift) 2847 mask = AC97_MUTE_MASK_STEREO; 2848 else 2849 mask = AC97_MUTE_MASK_MONO; 2850 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2851 (ac97->regs[AC97_MASTER] & mask) == mask ? 2852 AC97_PD_EAPD : 0); 2853 } 2854 return err; 2855 } 2856 2857 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2858 static int tune_mute_led(struct snd_ac97 *ac97) 2859 { 2860 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2861 if (! msw) 2862 return -ENOENT; 2863 msw->put = master_mute_sw_put; 2864 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2865 snd_ac97_update_bits( 2866 ac97, AC97_POWERDOWN, 2867 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2868 ); 2869 ac97->scaps |= AC97_SCAP_EAPD_LED; 2870 return 0; 2871 } 2872 2873 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2874 struct snd_ctl_elem_value *ucontrol) 2875 { 2876 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2877 if (err > 0) { 2878 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2879 int shift = (kcontrol->private_value >> 8) & 0x0f; 2880 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2881 unsigned short mask; 2882 if (shift != rshift) 2883 mask = AC97_MUTE_MASK_STEREO; 2884 else 2885 mask = AC97_MUTE_MASK_MONO; 2886 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2887 (ac97->regs[AC97_MASTER] & mask) == mask ? 2888 AC97_PD_EAPD : 0); 2889 } 2890 return err; 2891 } 2892 2893 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2894 { 2895 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2896 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2897 if (! msw || ! mvol) 2898 return -ENOENT; 2899 msw->put = hp_master_mute_sw_put; 2900 mvol->put = bind_hp_volsw_put; 2901 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2902 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2903 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2904 snd_ac97_update_bits( 2905 ac97, AC97_POWERDOWN, 2906 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2907 ); 2908 return 0; 2909 } 2910 2911 struct quirk_table { 2912 const char *name; 2913 int (*func)(struct snd_ac97 *); 2914 }; 2915 2916 static const struct quirk_table applicable_quirks[] = { 2917 { "none", NULL }, 2918 { "hp_only", tune_hp_only }, 2919 { "swap_hp", tune_swap_hp }, 2920 { "swap_surround", tune_swap_surround }, 2921 { "ad_sharing", tune_ad_sharing }, 2922 { "alc_jack", tune_alc_jack }, 2923 { "inv_eapd", tune_inv_eapd }, 2924 { "mute_led", tune_mute_led }, 2925 { "hp_mute_led", tune_hp_mute_led }, 2926 }; 2927 2928 /* apply the quirk with the given type */ 2929 static int apply_quirk(struct snd_ac97 *ac97, int type) 2930 { 2931 if (type <= 0) 2932 return 0; 2933 else if (type >= ARRAY_SIZE(applicable_quirks)) 2934 return -EINVAL; 2935 if (applicable_quirks[type].func) 2936 return applicable_quirks[type].func(ac97); 2937 return 0; 2938 } 2939 2940 /* apply the quirk with the given name */ 2941 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2942 { 2943 int i; 2944 const struct quirk_table *q; 2945 2946 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2947 q = &applicable_quirks[i]; 2948 if (q->name && ! strcmp(typestr, q->name)) 2949 return apply_quirk(ac97, i); 2950 } 2951 /* for compatibility, accept the numbers, too */ 2952 if (*typestr >= '0' && *typestr <= '9') 2953 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2954 return -EINVAL; 2955 } 2956 2957 /** 2958 * snd_ac97_tune_hardware - tune up the hardware 2959 * @ac97: the ac97 instance 2960 * @quirk: quirk list 2961 * @override: explicit quirk value (overrides the list if non-NULL) 2962 * 2963 * Do some workaround for each pci device, such as renaming of the 2964 * headphone (true line-out) control as "Master". 2965 * The quirk-list must be terminated with a zero-filled entry. 2966 * 2967 * Return: Zero if successful, or a negative error code on failure. 2968 */ 2969 2970 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, 2971 const struct ac97_quirk *quirk, const char *override) 2972 { 2973 int result; 2974 2975 /* quirk overriden? */ 2976 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2977 result = apply_quirk_str(ac97, override); 2978 if (result < 0) 2979 ac97_err(ac97, "applying quirk type %s failed (%d)\n", 2980 override, result); 2981 return result; 2982 } 2983 2984 if (! quirk) 2985 return -EINVAL; 2986 2987 for (; quirk->subvendor; quirk++) { 2988 if (quirk->subvendor != ac97->subsystem_vendor) 2989 continue; 2990 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2991 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2992 if (quirk->codec_id && quirk->codec_id != ac97->id) 2993 continue; 2994 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n", 2995 quirk->name, ac97->subsystem_vendor, 2996 ac97->subsystem_device); 2997 result = apply_quirk(ac97, quirk->type); 2998 if (result < 0) 2999 ac97_err(ac97, 3000 "applying quirk type %d for %s failed (%d)\n", 3001 quirk->type, quirk->name, result); 3002 return result; 3003 } 3004 } 3005 return 0; 3006 } 3007 3008 EXPORT_SYMBOL(snd_ac97_tune_hardware); 3009