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 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 156 { 0x53544d02, 0xffffffff, "ST7597", NULL, NULL }, 157 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 158 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL }, 159 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 160 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 161 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 162 { 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL }, 163 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 164 { 0x56494120, 0xfffffff0, "VIA1613", patch_vt1613, NULL }, 165 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 166 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 167 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL }, 168 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 169 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL }, 170 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 171 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 172 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 173 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 174 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL}, 175 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 176 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL }, 177 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 178 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 179 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 180 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 181 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 182 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 183 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 184 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 185 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 186 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 187 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 188 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 189 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 190 { 0, 0, NULL, NULL, NULL } 191 }; 192 193 194 static void update_power_regs(struct snd_ac97 *ac97); 195 #ifdef CONFIG_SND_AC97_POWER_SAVE 196 #define ac97_is_power_save_mode(ac97) \ 197 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save) 198 #else 199 #define ac97_is_power_save_mode(ac97) 0 200 #endif 201 202 #define ac97_err(ac97, fmt, args...) \ 203 dev_err((ac97)->bus->card->dev, fmt, ##args) 204 #define ac97_warn(ac97, fmt, args...) \ 205 dev_warn((ac97)->bus->card->dev, fmt, ##args) 206 #define ac97_dbg(ac97, fmt, args...) \ 207 dev_dbg((ac97)->bus->card->dev, fmt, ##args) 208 209 /* 210 * I/O routines 211 */ 212 213 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 214 { 215 /* filter some registers for buggy codecs */ 216 switch (ac97->id) { 217 case AC97_ID_ST_AC97_ID4: 218 if (reg == 0x08) 219 return 0; 220 fallthrough; 221 case AC97_ID_ST7597: 222 if (reg == 0x22 || reg == 0x7a) 223 return 1; 224 fallthrough; 225 case AC97_ID_AK4540: 226 case AC97_ID_AK4542: 227 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 228 return 1; 229 return 0; 230 case AC97_ID_AD1819: /* AD1819 */ 231 case AC97_ID_AD1881: /* AD1881 */ 232 case AC97_ID_AD1881A: /* AD1881A */ 233 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 234 return 0; 235 return 1; 236 case AC97_ID_AD1885: /* AD1885 */ 237 case AC97_ID_AD1886: /* AD1886 */ 238 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 239 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 240 if (reg == 0x5a) 241 return 1; 242 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 243 return 0; 244 return 1; 245 case AC97_ID_STAC9700: 246 case AC97_ID_STAC9704: 247 case AC97_ID_STAC9705: 248 case AC97_ID_STAC9708: 249 case AC97_ID_STAC9721: 250 case AC97_ID_STAC9744: 251 case AC97_ID_STAC9756: 252 if (reg <= 0x3a || reg >= 0x5a) 253 return 1; 254 return 0; 255 } 256 return 1; 257 } 258 259 /** 260 * snd_ac97_write - write a value on the given register 261 * @ac97: the ac97 instance 262 * @reg: the register to change 263 * @value: the value to set 264 * 265 * Writes a value on the given register. This will invoke the write 266 * callback directly after the register check. 267 * This function doesn't change the register cache unlike 268 * #snd_ca97_write_cache(), so use this only when you don't want to 269 * reflect the change to the suspend/resume state. 270 */ 271 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 272 { 273 if (!snd_ac97_valid_reg(ac97, reg)) 274 return; 275 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 276 /* Fix H/W bug of ALC100/100P */ 277 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 278 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 279 } 280 ac97->bus->ops->write(ac97, reg, value); 281 } 282 283 EXPORT_SYMBOL(snd_ac97_write); 284 285 /** 286 * snd_ac97_read - read a value from the given register 287 * 288 * @ac97: the ac97 instance 289 * @reg: the register to read 290 * 291 * Reads a value from the given register. This will invoke the read 292 * callback directly after the register check. 293 * 294 * Return: The read value. 295 */ 296 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 297 { 298 if (!snd_ac97_valid_reg(ac97, reg)) 299 return 0; 300 return ac97->bus->ops->read(ac97, reg); 301 } 302 303 /* read a register - return the cached value if already read */ 304 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 305 { 306 if (! test_bit(reg, ac97->reg_accessed)) { 307 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 308 // set_bit(reg, ac97->reg_accessed); 309 } 310 return ac97->regs[reg]; 311 } 312 313 EXPORT_SYMBOL(snd_ac97_read); 314 315 /** 316 * snd_ac97_write_cache - write a value on the given register and update the cache 317 * @ac97: the ac97 instance 318 * @reg: the register to change 319 * @value: the value to set 320 * 321 * Writes a value on the given register and updates the register 322 * cache. The cached values are used for the cached-read and the 323 * suspend/resume. 324 */ 325 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 326 { 327 if (!snd_ac97_valid_reg(ac97, reg)) 328 return; 329 mutex_lock(&ac97->reg_mutex); 330 ac97->regs[reg] = value; 331 ac97->bus->ops->write(ac97, reg, value); 332 set_bit(reg, ac97->reg_accessed); 333 mutex_unlock(&ac97->reg_mutex); 334 } 335 336 EXPORT_SYMBOL(snd_ac97_write_cache); 337 338 /** 339 * snd_ac97_update - update the value on the given register 340 * @ac97: the ac97 instance 341 * @reg: the register to change 342 * @value: the value to set 343 * 344 * Compares the value with the register cache and updates the value 345 * only when the value is changed. 346 * 347 * Return: 1 if the value is changed, 0 if no change, or a negative 348 * code on failure. 349 */ 350 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 351 { 352 int change; 353 354 if (!snd_ac97_valid_reg(ac97, reg)) 355 return -EINVAL; 356 mutex_lock(&ac97->reg_mutex); 357 change = ac97->regs[reg] != value; 358 if (change) { 359 ac97->regs[reg] = value; 360 ac97->bus->ops->write(ac97, reg, value); 361 } 362 set_bit(reg, ac97->reg_accessed); 363 mutex_unlock(&ac97->reg_mutex); 364 return change; 365 } 366 367 EXPORT_SYMBOL(snd_ac97_update); 368 369 /** 370 * snd_ac97_update_bits - update the bits on the given register 371 * @ac97: the ac97 instance 372 * @reg: the register to change 373 * @mask: the bit-mask to change 374 * @value: the value to set 375 * 376 * Updates the masked-bits on the given register only when the value 377 * is changed. 378 * 379 * Return: 1 if the bits are changed, 0 if no change, or a negative 380 * code on failure. 381 */ 382 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 383 { 384 int change; 385 386 if (!snd_ac97_valid_reg(ac97, reg)) 387 return -EINVAL; 388 mutex_lock(&ac97->reg_mutex); 389 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 390 mutex_unlock(&ac97->reg_mutex); 391 return change; 392 } 393 394 EXPORT_SYMBOL(snd_ac97_update_bits); 395 396 /* no lock version - see snd_ac97_update_bits() */ 397 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 398 unsigned short mask, unsigned short value) 399 { 400 int change; 401 unsigned short old, new; 402 403 old = snd_ac97_read_cache(ac97, reg); 404 new = (old & ~mask) | (value & mask); 405 change = old != new; 406 if (change) { 407 ac97->regs[reg] = new; 408 ac97->bus->ops->write(ac97, reg, new); 409 } 410 set_bit(reg, ac97->reg_accessed); 411 return change; 412 } 413 414 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 415 { 416 int change; 417 unsigned short old, new, cfg; 418 419 mutex_lock(&ac97->page_mutex); 420 old = ac97->spec.ad18xx.pcmreg[codec]; 421 new = (old & ~mask) | (value & mask); 422 change = old != new; 423 if (change) { 424 mutex_lock(&ac97->reg_mutex); 425 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 426 ac97->spec.ad18xx.pcmreg[codec] = new; 427 /* select single codec */ 428 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 429 (cfg & ~0x7000) | 430 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 431 /* update PCM bits */ 432 ac97->bus->ops->write(ac97, AC97_PCM, new); 433 /* select all codecs */ 434 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 435 cfg | 0x7000); 436 mutex_unlock(&ac97->reg_mutex); 437 } 438 mutex_unlock(&ac97->page_mutex); 439 return change; 440 } 441 442 /* 443 * Controls 444 */ 445 446 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, 447 struct snd_ctl_elem_info *uinfo) 448 { 449 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 450 451 return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2, 452 e->mask, e->texts); 453 } 454 455 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, 456 struct snd_ctl_elem_value *ucontrol) 457 { 458 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 459 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 460 unsigned short val, bitmask; 461 462 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 463 ; 464 val = snd_ac97_read_cache(ac97, e->reg); 465 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 466 if (e->shift_l != e->shift_r) 467 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 468 469 return 0; 470 } 471 472 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, 473 struct snd_ctl_elem_value *ucontrol) 474 { 475 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 476 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 477 unsigned short val; 478 unsigned short mask, bitmask; 479 480 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 481 ; 482 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 483 return -EINVAL; 484 val = ucontrol->value.enumerated.item[0] << e->shift_l; 485 mask = (bitmask - 1) << e->shift_l; 486 if (e->shift_l != e->shift_r) { 487 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 488 return -EINVAL; 489 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 490 mask |= (bitmask - 1) << e->shift_r; 491 } 492 return snd_ac97_update_bits(ac97, e->reg, mask, val); 493 } 494 495 /* save/restore ac97 v2.3 paging */ 496 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 497 { 498 int page_save = -1; 499 if ((kcontrol->private_value & (1<<25)) && 500 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 501 (reg >= 0x60 && reg < 0x70)) { 502 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 503 mutex_lock(&ac97->page_mutex); /* lock paging */ 504 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 505 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 506 } 507 return page_save; 508 } 509 510 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 511 { 512 if (page_save >= 0) { 513 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 514 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 515 } 516 } 517 518 /* volume and switch controls */ 519 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, 520 struct snd_ctl_elem_info *uinfo) 521 { 522 int mask = (kcontrol->private_value >> 16) & 0xff; 523 int shift = (kcontrol->private_value >> 8) & 0x0f; 524 int rshift = (kcontrol->private_value >> 12) & 0x0f; 525 526 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 527 uinfo->count = shift == rshift ? 1 : 2; 528 uinfo->value.integer.min = 0; 529 uinfo->value.integer.max = mask; 530 return 0; 531 } 532 533 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, 534 struct snd_ctl_elem_value *ucontrol) 535 { 536 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 537 int reg = kcontrol->private_value & 0xff; 538 int shift = (kcontrol->private_value >> 8) & 0x0f; 539 int rshift = (kcontrol->private_value >> 12) & 0x0f; 540 int mask = (kcontrol->private_value >> 16) & 0xff; 541 int invert = (kcontrol->private_value >> 24) & 0x01; 542 int page_save; 543 544 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 545 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 546 if (shift != rshift) 547 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 548 if (invert) { 549 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 550 if (shift != rshift) 551 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 552 } 553 snd_ac97_page_restore(ac97, page_save); 554 return 0; 555 } 556 557 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, 558 struct snd_ctl_elem_value *ucontrol) 559 { 560 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 561 int reg = kcontrol->private_value & 0xff; 562 int shift = (kcontrol->private_value >> 8) & 0x0f; 563 int rshift = (kcontrol->private_value >> 12) & 0x0f; 564 int mask = (kcontrol->private_value >> 16) & 0xff; 565 int invert = (kcontrol->private_value >> 24) & 0x01; 566 int err, page_save; 567 unsigned short val, val2, val_mask; 568 569 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 570 val = (ucontrol->value.integer.value[0] & mask); 571 if (invert) 572 val = mask - val; 573 val_mask = mask << shift; 574 val = val << shift; 575 if (shift != rshift) { 576 val2 = (ucontrol->value.integer.value[1] & mask); 577 if (invert) 578 val2 = mask - val2; 579 val_mask |= mask << rshift; 580 val |= val2 << rshift; 581 } 582 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 583 snd_ac97_page_restore(ac97, page_save); 584 #ifdef CONFIG_SND_AC97_POWER_SAVE 585 /* check analog mixer power-down */ 586 if ((val_mask & AC97_PD_EAPD) && 587 (kcontrol->private_value & (1<<30))) { 588 if (val & AC97_PD_EAPD) 589 ac97->power_up &= ~(1 << (reg>>1)); 590 else 591 ac97->power_up |= 1 << (reg>>1); 592 update_power_regs(ac97); 593 } 594 #endif 595 return err; 596 } 597 598 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 599 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 600 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 601 }; 602 603 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 604 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1), 605 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1) 606 }; 607 608 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 609 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 610 611 612 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 613 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 614 static const char* std_mix[] = {"Mix", "Mic"}; 615 static const char* std_mic[] = {"Mic1", "Mic2"}; 616 617 static const struct ac97_enum std_enum[] = { 618 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 619 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 621 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 622 }; 623 624 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 625 AC97_ENUM("Capture Source", std_enum[0]); 626 627 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 628 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 629 630 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 631 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 632 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 633 }; 634 635 enum { 636 AC97_GENERAL_PCM_OUT = 0, 637 AC97_GENERAL_STEREO_ENHANCEMENT, 638 AC97_GENERAL_3D, 639 AC97_GENERAL_LOUDNESS, 640 AC97_GENERAL_MONO, 641 AC97_GENERAL_MIC, 642 AC97_GENERAL_LOOPBACK 643 }; 644 645 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 646 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 647 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 648 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 649 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 650 AC97_ENUM("Mono Output Select", std_enum[2]), 651 AC97_ENUM("Mic Select", std_enum[3]), 652 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 653 }; 654 655 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 656 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 657 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 658 }; 659 660 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 661 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 662 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 663 }; 664 665 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 666 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 667 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 668 }; 669 670 static const struct snd_kcontrol_new snd_ac97_control_eapd = 671 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 672 673 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 674 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 675 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 676 }; 677 678 /* change the existing EAPD control as inverted */ 679 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 680 { 681 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 682 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 683 ac97->scaps |= AC97_SCAP_INV_EAPD; 684 } 685 686 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 687 { 688 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 689 uinfo->count = 1; 690 return 0; 691 } 692 693 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 694 { 695 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 696 IEC958_AES0_NONAUDIO | 697 IEC958_AES0_CON_EMPHASIS_5015 | 698 IEC958_AES0_CON_NOT_COPYRIGHT; 699 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 700 IEC958_AES1_CON_ORIGINAL; 701 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 702 return 0; 703 } 704 705 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 706 { 707 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 708 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 709 IEC958_AES0_NONAUDIO | 710 IEC958_AES0_PRO_FS | 711 IEC958_AES0_PRO_EMPHASIS_5015; 712 return 0; 713 } 714 715 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 716 { 717 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 718 719 mutex_lock(&ac97->reg_mutex); 720 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 721 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 722 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 723 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 724 mutex_unlock(&ac97->reg_mutex); 725 return 0; 726 } 727 728 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 729 { 730 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 731 unsigned int new = 0; 732 unsigned short val = 0; 733 int change; 734 735 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 736 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 737 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 738 switch (new & IEC958_AES0_PRO_FS) { 739 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 740 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 741 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 742 default: val |= 1<<12; break; 743 } 744 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 745 val |= 1<<3; 746 } else { 747 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 748 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 749 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 750 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 751 val |= 1<<3; 752 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 753 val |= 1<<2; 754 val |= ((new >> 8) & 0xff) << 4; // category + original 755 switch ((new >> 24) & 0xff) { 756 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 757 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 758 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 759 default: val |= 1<<12; break; 760 } 761 } 762 763 mutex_lock(&ac97->reg_mutex); 764 change = ac97->spdif_status != new; 765 ac97->spdif_status = new; 766 767 if (ac97->flags & AC97_CS_SPDIF) { 768 int x = (val >> 12) & 0x03; 769 switch (x) { 770 case 0: x = 1; break; // 44.1 771 case 2: x = 0; break; // 48.0 772 default: x = 0; break; // illegal. 773 } 774 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 775 } else if (ac97->flags & AC97_CX_SPDIF) { 776 int v; 777 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 778 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 779 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 780 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 781 v); 782 } else if (ac97->id == AC97_ID_YMF743) { 783 change |= snd_ac97_update_bits_nolock(ac97, 784 AC97_YMF7X3_DIT_CTRL, 785 0xff38, 786 ((val << 4) & 0xff00) | 787 ((val << 2) & 0x0038)); 788 } else { 789 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 790 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 791 792 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 793 if (extst & AC97_EA_SPDIF) { 794 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 795 } 796 } 797 mutex_unlock(&ac97->reg_mutex); 798 799 return change; 800 } 801 802 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 803 { 804 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 805 int reg = kcontrol->private_value & 0xff; 806 int shift = (kcontrol->private_value >> 8) & 0x0f; 807 int mask = (kcontrol->private_value >> 16) & 0xff; 808 // int invert = (kcontrol->private_value >> 24) & 0xff; 809 unsigned short value, old, new; 810 int change; 811 812 value = (ucontrol->value.integer.value[0] & mask); 813 814 mutex_lock(&ac97->reg_mutex); 815 mask <<= shift; 816 value <<= shift; 817 old = snd_ac97_read_cache(ac97, reg); 818 new = (old & ~mask) | value; 819 change = old != new; 820 821 if (change) { 822 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 823 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 824 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 825 if (extst & AC97_EA_SPDIF) 826 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 827 } 828 mutex_unlock(&ac97->reg_mutex); 829 return change; 830 } 831 832 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 833 { 834 .access = SNDRV_CTL_ELEM_ACCESS_READ, 835 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 836 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 837 .info = snd_ac97_spdif_mask_info, 838 .get = snd_ac97_spdif_cmask_get, 839 }, 840 { 841 .access = SNDRV_CTL_ELEM_ACCESS_READ, 842 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 843 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 844 .info = snd_ac97_spdif_mask_info, 845 .get = snd_ac97_spdif_pmask_get, 846 }, 847 { 848 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 849 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 850 .info = snd_ac97_spdif_mask_info, 851 .get = snd_ac97_spdif_default_get, 852 .put = snd_ac97_spdif_default_put, 853 }, 854 855 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 856 { 857 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 858 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 859 .info = snd_ac97_info_volsw, 860 .get = snd_ac97_get_volsw, 861 .put = snd_ac97_put_spsa, 862 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 863 }, 864 }; 865 866 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 867 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 868 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 869 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 870 871 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 872 { 873 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 874 int mask = (kcontrol->private_value >> 16) & 0x0f; 875 int lshift = (kcontrol->private_value >> 8) & 0x0f; 876 int rshift = (kcontrol->private_value >> 12) & 0x0f; 877 878 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 879 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 880 uinfo->count = 2; 881 else 882 uinfo->count = 1; 883 uinfo->value.integer.min = 0; 884 uinfo->value.integer.max = mask; 885 return 0; 886 } 887 888 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 889 { 890 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 891 int codec = kcontrol->private_value & 3; 892 int lshift = (kcontrol->private_value >> 8) & 0x0f; 893 int rshift = (kcontrol->private_value >> 12) & 0x0f; 894 int mask = (kcontrol->private_value >> 16) & 0xff; 895 896 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 897 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 898 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 899 return 0; 900 } 901 902 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 903 { 904 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 905 int codec = kcontrol->private_value & 3; 906 int lshift = (kcontrol->private_value >> 8) & 0x0f; 907 int rshift = (kcontrol->private_value >> 12) & 0x0f; 908 int mask = (kcontrol->private_value >> 16) & 0xff; 909 unsigned short val, valmask; 910 911 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 912 valmask = mask << lshift; 913 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 914 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 915 valmask |= mask << rshift; 916 } 917 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 918 } 919 920 #define AD18XX_PCM_VOLUME(xname, codec) \ 921 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 922 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 923 .private_value = codec } 924 925 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 926 { 927 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 928 uinfo->count = 2; 929 uinfo->value.integer.min = 0; 930 uinfo->value.integer.max = 31; 931 return 0; 932 } 933 934 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 935 { 936 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 937 int codec = kcontrol->private_value & 3; 938 939 mutex_lock(&ac97->page_mutex); 940 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 941 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 942 mutex_unlock(&ac97->page_mutex); 943 return 0; 944 } 945 946 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 947 { 948 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 949 int codec = kcontrol->private_value & 3; 950 unsigned short val1, val2; 951 952 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 953 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 954 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 955 } 956 957 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 958 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 959 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 960 }; 961 962 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 963 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 964 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 965 }; 966 967 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 968 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 969 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 970 }; 971 972 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 973 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 974 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 975 }; 976 977 /* 978 * 979 */ 980 981 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 982 983 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 984 { 985 if (bus) { 986 snd_ac97_bus_proc_done(bus); 987 kfree(bus->pcms); 988 if (bus->private_free) 989 bus->private_free(bus); 990 kfree(bus); 991 } 992 return 0; 993 } 994 995 static int snd_ac97_bus_dev_free(struct snd_device *device) 996 { 997 struct snd_ac97_bus *bus = device->device_data; 998 return snd_ac97_bus_free(bus); 999 } 1000 1001 static int snd_ac97_free(struct snd_ac97 *ac97) 1002 { 1003 if (ac97) { 1004 #ifdef CONFIG_SND_AC97_POWER_SAVE 1005 cancel_delayed_work_sync(&ac97->power_work); 1006 #endif 1007 snd_ac97_proc_done(ac97); 1008 if (ac97->bus) 1009 ac97->bus->codec[ac97->num] = NULL; 1010 if (ac97->private_free) 1011 ac97->private_free(ac97); 1012 kfree(ac97); 1013 } 1014 return 0; 1015 } 1016 1017 static int snd_ac97_dev_free(struct snd_device *device) 1018 { 1019 struct snd_ac97 *ac97 = device->device_data; 1020 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1021 return snd_ac97_free(ac97); 1022 } 1023 1024 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1025 { 1026 unsigned short val, mask = AC97_MUTE_MASK_MONO; 1027 1028 if (! snd_ac97_valid_reg(ac97, reg)) 1029 return 0; 1030 1031 switch (reg) { 1032 case AC97_MASTER_TONE: 1033 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0; 1034 case AC97_HEADPHONE: 1035 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0; 1036 case AC97_REC_GAIN_MIC: 1037 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0; 1038 case AC97_3D_CONTROL: 1039 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) { 1040 val = snd_ac97_read(ac97, reg); 1041 /* if nonzero - fixed and we can't set it */ 1042 return val == 0; 1043 } 1044 return 0; 1045 case AC97_CENTER_LFE_MASTER: /* center */ 1046 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1047 return 0; 1048 break; 1049 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1050 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1051 return 0; 1052 reg = AC97_CENTER_LFE_MASTER; 1053 mask = 0x0080; 1054 break; 1055 case AC97_SURROUND_MASTER: 1056 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1057 return 0; 1058 break; 1059 } 1060 1061 val = snd_ac97_read(ac97, reg); 1062 if (!(val & mask)) { 1063 /* nothing seems to be here - mute flag is not set */ 1064 /* try another test */ 1065 snd_ac97_write_cache(ac97, reg, val | mask); 1066 val = snd_ac97_read(ac97, reg); 1067 val = snd_ac97_read(ac97, reg); 1068 if (!(val & mask)) 1069 return 0; /* nothing here */ 1070 } 1071 return 1; /* success, useable */ 1072 } 1073 1074 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1075 { 1076 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1077 unsigned char max[3] = { 63, 31, 15 }; 1078 int i; 1079 1080 /* first look up the static resolution table */ 1081 if (ac97->res_table) { 1082 const struct snd_ac97_res_table *tbl; 1083 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1084 if (tbl->reg == reg) { 1085 *lo_max = tbl->bits & 0xff; 1086 *hi_max = (tbl->bits >> 8) & 0xff; 1087 return; 1088 } 1089 } 1090 } 1091 1092 *lo_max = *hi_max = 0; 1093 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1094 unsigned short val; 1095 snd_ac97_write( 1096 ac97, reg, 1097 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8) 1098 ); 1099 /* Do the read twice due to buffers on some ac97 codecs. 1100 * e.g. The STAC9704 returns exactly what you wrote to the register 1101 * if you read it immediately. This causes the detect routine to fail. 1102 */ 1103 val = snd_ac97_read(ac97, reg); 1104 val = snd_ac97_read(ac97, reg); 1105 if (! *lo_max && (val & 0x7f) == cbit[i]) 1106 *lo_max = max[i]; 1107 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1108 *hi_max = max[i]; 1109 if (*lo_max && *hi_max) 1110 break; 1111 } 1112 } 1113 1114 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1115 { 1116 unsigned short mask, val, orig, res; 1117 1118 mask = 1 << bit; 1119 orig = snd_ac97_read(ac97, reg); 1120 val = orig ^ mask; 1121 snd_ac97_write(ac97, reg, val); 1122 res = snd_ac97_read(ac97, reg); 1123 snd_ac97_write_cache(ac97, reg, orig); 1124 return res == val; 1125 } 1126 1127 /* check the volume resolution of center/lfe */ 1128 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1129 { 1130 unsigned short val, val1; 1131 1132 *max = 63; 1133 val = AC97_MUTE_MASK_STEREO | (0x20 << shift); 1134 snd_ac97_write(ac97, reg, val); 1135 val1 = snd_ac97_read(ac97, reg); 1136 if (val != val1) { 1137 *max = 31; 1138 } 1139 /* reset volume to zero */ 1140 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO); 1141 } 1142 1143 static inline int printable(unsigned int x) 1144 { 1145 x &= 0xff; 1146 if (x < ' ' || x >= 0x71) { 1147 if (x <= 0x89) 1148 return x - 0x71 + 'A'; 1149 return '?'; 1150 } 1151 return x; 1152 } 1153 1154 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, 1155 struct snd_ac97 * ac97) 1156 { 1157 struct snd_kcontrol_new template; 1158 memcpy(&template, _template, sizeof(template)); 1159 template.index = ac97->num; 1160 return snd_ctl_new1(&template, ac97); 1161 } 1162 1163 /* 1164 * create mute switch(es) for normal stereo controls 1165 */ 1166 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1167 int check_stereo, int check_amix, 1168 struct snd_ac97 *ac97) 1169 { 1170 struct snd_kcontrol *kctl; 1171 int err; 1172 unsigned short val, val1, mute_mask; 1173 1174 if (! snd_ac97_valid_reg(ac97, reg)) 1175 return 0; 1176 1177 mute_mask = AC97_MUTE_MASK_MONO; 1178 val = snd_ac97_read(ac97, reg); 1179 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1180 /* check whether both mute bits work */ 1181 val1 = val | AC97_MUTE_MASK_STEREO; 1182 snd_ac97_write(ac97, reg, val1); 1183 if (val1 == snd_ac97_read(ac97, reg)) 1184 mute_mask = AC97_MUTE_MASK_STEREO; 1185 } 1186 if (mute_mask == AC97_MUTE_MASK_STEREO) { 1187 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1188 if (check_amix) 1189 tmp.private_value |= (1 << 30); 1190 tmp.index = ac97->num; 1191 kctl = snd_ctl_new1(&tmp, ac97); 1192 } else { 1193 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1194 if (check_amix) 1195 tmp.private_value |= (1 << 30); 1196 tmp.index = ac97->num; 1197 kctl = snd_ctl_new1(&tmp, ac97); 1198 } 1199 err = snd_ctl_add(card, kctl); 1200 if (err < 0) 1201 return err; 1202 /* mute as default */ 1203 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1204 return 0; 1205 } 1206 1207 /* 1208 * set dB information 1209 */ 1210 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1211 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1212 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1213 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1214 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1215 1216 static const unsigned int *find_db_scale(unsigned int maxval) 1217 { 1218 switch (maxval) { 1219 case 0x0f: return db_scale_4bit; 1220 case 0x1f: return db_scale_5bit; 1221 case 0x3f: return db_scale_6bit; 1222 } 1223 return NULL; 1224 } 1225 1226 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1227 { 1228 kctl->tlv.p = tlv; 1229 if (tlv) 1230 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1231 } 1232 1233 /* 1234 * create a volume for normal stereo/mono controls 1235 */ 1236 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1237 unsigned int hi_max, struct snd_ac97 *ac97) 1238 { 1239 int err; 1240 struct snd_kcontrol *kctl; 1241 1242 if (! snd_ac97_valid_reg(ac97, reg)) 1243 return 0; 1244 if (hi_max) { 1245 /* invert */ 1246 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1247 tmp.index = ac97->num; 1248 kctl = snd_ctl_new1(&tmp, ac97); 1249 } else { 1250 /* invert */ 1251 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1252 tmp.index = ac97->num; 1253 kctl = snd_ctl_new1(&tmp, ac97); 1254 } 1255 if (!kctl) 1256 return -ENOMEM; 1257 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1258 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1259 else 1260 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1261 err = snd_ctl_add(card, kctl); 1262 if (err < 0) 1263 return err; 1264 snd_ac97_write_cache( 1265 ac97, reg, 1266 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO) 1267 | lo_max | (hi_max << 8) 1268 ); 1269 return 0; 1270 } 1271 1272 /* 1273 * create a mute-switch and a volume for normal stereo/mono controls 1274 */ 1275 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1276 int reg, int check_stereo, int check_amix, 1277 struct snd_ac97 *ac97) 1278 { 1279 int err; 1280 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 1281 unsigned char lo_max, hi_max; 1282 1283 if (! snd_ac97_valid_reg(ac97, reg)) 1284 return 0; 1285 1286 if (snd_ac97_try_bit(ac97, reg, 15)) { 1287 sprintf(name, "%s Switch", pfx); 1288 err = snd_ac97_cmute_new_stereo(card, name, reg, 1289 check_stereo, check_amix, 1290 ac97); 1291 if (err < 0) 1292 return err; 1293 } 1294 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1295 if (lo_max) { 1296 sprintf(name, "%s Volume", pfx); 1297 err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97); 1298 if (err < 0) 1299 return err; 1300 } 1301 return 0; 1302 } 1303 1304 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1305 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1306 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1307 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1308 1309 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1310 1311 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1312 { 1313 struct snd_card *card = ac97->bus->card; 1314 struct snd_kcontrol *kctl; 1315 int err; 1316 unsigned int idx; 1317 unsigned char max; 1318 1319 /* build master controls */ 1320 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1321 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1322 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1323 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1324 AC97_MASTER, 0, ac97); 1325 else 1326 err = snd_ac97_cmix_new(card, "Master Playback", 1327 AC97_MASTER, 0, ac97); 1328 if (err < 0) 1329 return err; 1330 } 1331 1332 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO; 1333 1334 /* build center controls */ 1335 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1336 && !(ac97->flags & AC97_AD_MULTI)) { 1337 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97)); 1338 if (err < 0) 1339 return err; 1340 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97)); 1341 if (err < 0) 1342 return err; 1343 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1344 kctl->private_value &= ~(0xff << 16); 1345 kctl->private_value |= (int)max << 16; 1346 set_tlv_db_scale(kctl, find_db_scale(max)); 1347 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1348 } 1349 1350 /* build LFE controls */ 1351 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1352 && !(ac97->flags & AC97_AD_MULTI)) { 1353 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97)); 1354 if (err < 0) 1355 return err; 1356 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97)); 1357 if (err < 0) 1358 return err; 1359 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1360 kctl->private_value &= ~(0xff << 16); 1361 kctl->private_value |= (int)max << 16; 1362 set_tlv_db_scale(kctl, find_db_scale(max)); 1363 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1364 } 1365 1366 /* build surround controls */ 1367 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1368 && !(ac97->flags & AC97_AD_MULTI)) { 1369 /* Surround Master (0x38) is with stereo mutes */ 1370 err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1371 AC97_SURROUND_MASTER, 1, 0, 1372 ac97); 1373 if (err < 0) 1374 return err; 1375 } 1376 1377 /* build headphone controls */ 1378 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1379 err = snd_ac97_cmix_new(card, "Headphone Playback", 1380 AC97_HEADPHONE, 0, ac97); 1381 if (err < 0) 1382 return err; 1383 } 1384 1385 /* build master mono controls */ 1386 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1387 err = snd_ac97_cmix_new(card, "Master Mono Playback", 1388 AC97_MASTER_MONO, 0, ac97); 1389 if (err < 0) 1390 return err; 1391 } 1392 1393 /* build master tone controls */ 1394 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1395 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1396 for (idx = 0; idx < 2; idx++) { 1397 kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97); 1398 err = snd_ctl_add(card, kctl); 1399 if (err < 0) 1400 return err; 1401 if (ac97->id == AC97_ID_YMF743 || 1402 ac97->id == AC97_ID_YMF753) { 1403 kctl->private_value &= ~(0xff << 16); 1404 kctl->private_value |= 7 << 16; 1405 } 1406 } 1407 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1408 } 1409 } 1410 1411 /* build Beep controls */ 1412 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1413 ((ac97->flags & AC97_HAS_PC_BEEP) || 1414 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1415 for (idx = 0; idx < 2; idx++) { 1416 kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97); 1417 err = snd_ctl_add(card, kctl); 1418 if (err < 0) 1419 return err; 1420 } 1421 set_tlv_db_scale(kctl, db_scale_4bit); 1422 snd_ac97_write_cache( 1423 ac97, 1424 AC97_PC_BEEP, 1425 (snd_ac97_read(ac97, AC97_PC_BEEP) 1426 | AC97_MUTE_MASK_MONO | 0x001e) 1427 ); 1428 } 1429 1430 /* build Phone controls */ 1431 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1432 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1433 err = snd_ac97_cmix_new(card, "Phone Playback", 1434 AC97_PHONE, 1, ac97); 1435 if (err < 0) 1436 return err; 1437 } 1438 } 1439 1440 /* build MIC controls */ 1441 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1442 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1443 err = snd_ac97_cmix_new(card, "Mic Playback", 1444 AC97_MIC, 1, ac97); 1445 if (err < 0) 1446 return err; 1447 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97)); 1448 if (err < 0) 1449 return err; 1450 } 1451 } 1452 1453 /* build Line controls */ 1454 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1455 err = snd_ac97_cmix_new(card, "Line Playback", 1456 AC97_LINE, 1, ac97); 1457 if (err < 0) 1458 return err; 1459 } 1460 1461 /* build CD controls */ 1462 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1463 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1464 err = snd_ac97_cmix_new(card, "CD Playback", 1465 AC97_CD, 1, ac97); 1466 if (err < 0) 1467 return err; 1468 } 1469 } 1470 1471 /* build Video controls */ 1472 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1473 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1474 err = snd_ac97_cmix_new(card, "Video Playback", 1475 AC97_VIDEO, 1, ac97); 1476 if (err < 0) 1477 return err; 1478 } 1479 } 1480 1481 /* build Aux controls */ 1482 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1483 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1484 err = snd_ac97_cmix_new(card, "Aux Playback", 1485 AC97_AUX, 1, ac97); 1486 if (err < 0) 1487 return err; 1488 } 1489 } 1490 1491 /* build PCM controls */ 1492 if (ac97->flags & AC97_AD_MULTI) { 1493 unsigned short init_val; 1494 if (ac97->flags & AC97_STEREO_MUTES) 1495 init_val = 0x9f9f; 1496 else 1497 init_val = 0x9f1f; 1498 for (idx = 0; idx < 2; idx++) { 1499 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97); 1500 err = snd_ctl_add(card, kctl); 1501 if (err < 0) 1502 return err; 1503 } 1504 set_tlv_db_scale(kctl, db_scale_5bit); 1505 ac97->spec.ad18xx.pcmreg[0] = init_val; 1506 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1507 for (idx = 0; idx < 2; idx++) { 1508 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97); 1509 err = snd_ctl_add(card, kctl); 1510 if (err < 0) 1511 return err; 1512 } 1513 set_tlv_db_scale(kctl, db_scale_5bit); 1514 ac97->spec.ad18xx.pcmreg[1] = init_val; 1515 } 1516 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1517 for (idx = 0; idx < 2; idx++) { 1518 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97); 1519 err = snd_ctl_add(card, kctl); 1520 if (err < 0) 1521 return err; 1522 } 1523 set_tlv_db_scale(kctl, db_scale_5bit); 1524 for (idx = 0; idx < 2; idx++) { 1525 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97); 1526 err = snd_ctl_add(card, kctl); 1527 if (err < 0) 1528 return err; 1529 } 1530 set_tlv_db_scale(kctl, db_scale_5bit); 1531 ac97->spec.ad18xx.pcmreg[2] = init_val; 1532 } 1533 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1534 } else { 1535 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1536 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1537 err = snd_ac97_cmute_new(card, 1538 "PCM Playback Switch", 1539 AC97_PCM, 0, ac97); 1540 else 1541 err = snd_ac97_cmix_new(card, "PCM Playback", 1542 AC97_PCM, 0, ac97); 1543 if (err < 0) 1544 return err; 1545 } 1546 } 1547 1548 /* build Capture controls */ 1549 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1550 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97)); 1551 if (err < 0) 1552 return err; 1553 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1554 err = snd_ac97_cmute_new(card, "Capture Switch", 1555 AC97_REC_GAIN, 0, ac97); 1556 if (err < 0) 1557 return err; 1558 } 1559 kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97); 1560 err = snd_ctl_add(card, kctl); 1561 if (err < 0) 1562 return err; 1563 set_tlv_db_scale(kctl, db_scale_rec_gain); 1564 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1565 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1566 } 1567 /* build MIC Capture controls */ 1568 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1569 for (idx = 0; idx < 2; idx++) { 1570 kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97); 1571 err = snd_ctl_add(card, kctl); 1572 if (err < 0) 1573 return err; 1574 } 1575 set_tlv_db_scale(kctl, db_scale_rec_gain); 1576 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1577 } 1578 1579 /* build PCM out path & mute control */ 1580 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1581 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97)); 1582 if (err < 0) 1583 return err; 1584 } 1585 1586 /* build Simulated Stereo Enhancement control */ 1587 if (ac97->caps & AC97_BC_SIM_STEREO) { 1588 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97)); 1589 if (err < 0) 1590 return err; 1591 } 1592 1593 /* build 3D Stereo Enhancement control */ 1594 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1595 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97)); 1596 if (err < 0) 1597 return err; 1598 } 1599 1600 /* build Loudness control */ 1601 if (ac97->caps & AC97_BC_LOUDNESS) { 1602 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97)); 1603 if (err < 0) 1604 return err; 1605 } 1606 1607 /* build Mono output select control */ 1608 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1609 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97)); 1610 if (err < 0) 1611 return err; 1612 } 1613 1614 /* build Mic select control */ 1615 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1616 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97)); 1617 if (err < 0) 1618 return err; 1619 } 1620 1621 /* build ADC/DAC loopback control */ 1622 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1623 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97)); 1624 if (err < 0) 1625 return err; 1626 } 1627 1628 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1629 1630 /* build 3D controls */ 1631 if (ac97->build_ops->build_3d) { 1632 ac97->build_ops->build_3d(ac97); 1633 } else { 1634 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1635 unsigned short val; 1636 val = 0x0707; 1637 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1638 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1639 val = val == 0x0606; 1640 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97); 1641 err = snd_ctl_add(card, kctl); 1642 if (err < 0) 1643 return err; 1644 if (val) 1645 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1646 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97); 1647 err = snd_ctl_add(card, kctl); 1648 if (err < 0) 1649 return err; 1650 if (val) 1651 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1652 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1653 } 1654 } 1655 1656 /* build S/PDIF controls */ 1657 1658 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1659 if (ac97->subsystem_vendor == 0x1043 && 1660 ac97->subsystem_device == 0x810f) 1661 ac97->ext_id |= AC97_EI_SPDIF; 1662 1663 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1664 if (ac97->build_ops->build_spdif) { 1665 err = ac97->build_ops->build_spdif(ac97); 1666 if (err < 0) 1667 return err; 1668 } else { 1669 for (idx = 0; idx < 5; idx++) { 1670 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97)); 1671 if (err < 0) 1672 return err; 1673 } 1674 if (ac97->build_ops->build_post_spdif) { 1675 err = ac97->build_ops->build_post_spdif(ac97); 1676 if (err < 0) 1677 return err; 1678 } 1679 /* set default PCM S/PDIF params */ 1680 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1681 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1682 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1683 } 1684 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1685 } 1686 1687 /* build chip specific controls */ 1688 if (ac97->build_ops->build_specific) { 1689 err = ac97->build_ops->build_specific(ac97); 1690 if (err < 0) 1691 return err; 1692 } 1693 1694 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1695 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1696 if (! kctl) 1697 return -ENOMEM; 1698 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1699 set_inv_eapd(ac97, kctl); 1700 err = snd_ctl_add(card, kctl); 1701 if (err < 0) 1702 return err; 1703 } 1704 1705 return 0; 1706 } 1707 1708 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1709 { 1710 int err, idx; 1711 1712 /* 1713 ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n", 1714 snd_ac97_read(ac97,AC97_GPIO_CFG)); 1715 */ 1716 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1717 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1718 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1719 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1720 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1721 1722 /* build modem switches */ 1723 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) { 1724 err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97)); 1725 if (err < 0) 1726 return err; 1727 } 1728 1729 /* build chip specific controls */ 1730 if (ac97->build_ops->build_specific) { 1731 err = ac97->build_ops->build_specific(ac97); 1732 if (err < 0) 1733 return err; 1734 } 1735 1736 return 0; 1737 } 1738 1739 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1740 { 1741 unsigned short val; 1742 unsigned int tmp; 1743 1744 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1745 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1746 if (shadow_reg) 1747 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1748 val = snd_ac97_read(ac97, reg); 1749 return val == (tmp & 0xffff); 1750 } 1751 1752 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1753 { 1754 unsigned int result = 0; 1755 unsigned short saved; 1756 1757 if (ac97->bus->no_vra) { 1758 *r_result = SNDRV_PCM_RATE_48000; 1759 if ((ac97->flags & AC97_DOUBLE_RATE) && 1760 reg == AC97_PCM_FRONT_DAC_RATE) 1761 *r_result |= SNDRV_PCM_RATE_96000; 1762 return; 1763 } 1764 1765 saved = snd_ac97_read(ac97, reg); 1766 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1767 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1768 AC97_EA_DRA, 0); 1769 /* test a non-standard rate */ 1770 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1771 result |= SNDRV_PCM_RATE_CONTINUOUS; 1772 /* let's try to obtain standard rates */ 1773 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1774 result |= SNDRV_PCM_RATE_8000; 1775 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1776 result |= SNDRV_PCM_RATE_11025; 1777 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1778 result |= SNDRV_PCM_RATE_16000; 1779 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1780 result |= SNDRV_PCM_RATE_22050; 1781 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1782 result |= SNDRV_PCM_RATE_32000; 1783 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1784 result |= SNDRV_PCM_RATE_44100; 1785 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1786 result |= SNDRV_PCM_RATE_48000; 1787 if ((ac97->flags & AC97_DOUBLE_RATE) && 1788 reg == AC97_PCM_FRONT_DAC_RATE) { 1789 /* test standard double rates */ 1790 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1791 AC97_EA_DRA, AC97_EA_DRA); 1792 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1793 result |= SNDRV_PCM_RATE_64000; 1794 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1795 result |= SNDRV_PCM_RATE_88200; 1796 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1797 result |= SNDRV_PCM_RATE_96000; 1798 /* some codecs don't support variable double rates */ 1799 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1800 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1801 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1802 AC97_EA_DRA, 0); 1803 } 1804 /* restore the default value */ 1805 snd_ac97_write_cache(ac97, reg, saved); 1806 if (shadow_reg) 1807 snd_ac97_write_cache(ac97, shadow_reg, saved); 1808 *r_result = result; 1809 } 1810 1811 /* check AC97_SPDIF register to accept which sample rates */ 1812 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1813 { 1814 unsigned int result = 0; 1815 int i; 1816 static const unsigned short ctl_bits[] = { 1817 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1818 }; 1819 static const unsigned int rate_bits[] = { 1820 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1821 }; 1822 1823 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1824 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1825 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1826 result |= rate_bits[i]; 1827 } 1828 return result; 1829 } 1830 1831 /* look for the codec id table matching with the given id */ 1832 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1833 unsigned int id) 1834 { 1835 const struct ac97_codec_id *pid; 1836 1837 for (pid = table; pid->id; pid++) 1838 if (pid->id == (id & pid->mask)) 1839 return pid; 1840 return NULL; 1841 } 1842 1843 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1844 { 1845 const struct ac97_codec_id *pid; 1846 1847 sprintf(name, "0x%x %c%c%c", id, 1848 printable(id >> 24), 1849 printable(id >> 16), 1850 printable(id >> 8)); 1851 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1852 if (! pid) 1853 return; 1854 1855 strcpy(name, pid->name); 1856 if (ac97 && pid->patch) { 1857 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1858 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1859 pid->patch(ac97); 1860 } 1861 1862 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1863 if (pid) { 1864 strcat(name, " "); 1865 strcat(name, pid->name); 1866 if (pid->mask != 0xffffffff) 1867 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1868 if (ac97 && pid->patch) { 1869 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1870 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1871 pid->patch(ac97); 1872 } 1873 } else 1874 sprintf(name + strlen(name), " id %x", id & 0xff); 1875 } 1876 1877 /** 1878 * snd_ac97_get_short_name - retrieve codec name 1879 * @ac97: the codec instance 1880 * 1881 * Return: The short identifying name of the codec. 1882 */ 1883 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1884 { 1885 const struct ac97_codec_id *pid; 1886 1887 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1888 if (pid->id == (ac97->id & pid->mask)) 1889 return pid->name; 1890 return "unknown codec"; 1891 } 1892 1893 EXPORT_SYMBOL(snd_ac97_get_short_name); 1894 1895 /* wait for a while until registers are accessible after RESET 1896 * return 0 if ok, negative not ready 1897 */ 1898 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1899 { 1900 unsigned long end_time; 1901 unsigned short val; 1902 1903 end_time = jiffies + timeout; 1904 do { 1905 1906 /* use preliminary reads to settle the communication */ 1907 snd_ac97_read(ac97, AC97_RESET); 1908 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1909 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1910 /* modem? */ 1911 if (with_modem) { 1912 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1913 if (val != 0xffff && (val & 1) != 0) 1914 return 0; 1915 } 1916 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1917 /* probably only Xbox issue - all registers are read as zero */ 1918 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1919 if (val != 0 && val != 0xffff) 1920 return 0; 1921 } else { 1922 /* because the PCM or MASTER volume registers can be modified, 1923 * the REC_GAIN register is used for tests 1924 */ 1925 /* test if we can write to the record gain volume register */ 1926 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1927 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1928 return 0; 1929 } 1930 schedule_timeout_uninterruptible(1); 1931 } while (time_after_eq(end_time, jiffies)); 1932 return -ENODEV; 1933 } 1934 1935 /** 1936 * snd_ac97_bus - create an AC97 bus component 1937 * @card: the card instance 1938 * @num: the bus number 1939 * @ops: the bus callbacks table 1940 * @private_data: private data pointer for the new instance 1941 * @rbus: the pointer to store the new AC97 bus instance. 1942 * 1943 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1944 * allocated and initialized. 1945 * 1946 * The ops table must include valid callbacks (at least read and 1947 * write). The other callbacks, wait and reset, are not mandatory. 1948 * 1949 * The clock is set to 48000. If another clock is needed, set 1950 * ``(*rbus)->clock`` manually. 1951 * 1952 * The AC97 bus instance is registered as a low-level device, so you don't 1953 * have to release it manually. 1954 * 1955 * Return: Zero if successful, or a negative error code on failure. 1956 */ 1957 int snd_ac97_bus(struct snd_card *card, int num, 1958 const struct snd_ac97_bus_ops *ops, 1959 void *private_data, struct snd_ac97_bus **rbus) 1960 { 1961 int err; 1962 struct snd_ac97_bus *bus; 1963 static const struct snd_device_ops dev_ops = { 1964 .dev_free = snd_ac97_bus_dev_free, 1965 }; 1966 1967 if (snd_BUG_ON(!card)) 1968 return -EINVAL; 1969 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1970 if (bus == NULL) 1971 return -ENOMEM; 1972 bus->card = card; 1973 bus->num = num; 1974 bus->ops = ops; 1975 bus->private_data = private_data; 1976 bus->clock = 48000; 1977 spin_lock_init(&bus->bus_lock); 1978 snd_ac97_bus_proc_init(bus); 1979 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops); 1980 if (err < 0) { 1981 snd_ac97_bus_free(bus); 1982 return err; 1983 } 1984 if (rbus) 1985 *rbus = bus; 1986 return 0; 1987 } 1988 1989 EXPORT_SYMBOL(snd_ac97_bus); 1990 1991 /* stop no dev release warning */ 1992 static void ac97_device_release(struct device * dev) 1993 { 1994 } 1995 1996 /* register ac97 codec to bus */ 1997 static int snd_ac97_dev_register(struct snd_device *device) 1998 { 1999 struct snd_ac97 *ac97 = device->device_data; 2000 int err; 2001 2002 ac97->dev.bus = &ac97_bus_type; 2003 ac97->dev.parent = ac97->bus->card->dev; 2004 ac97->dev.release = ac97_device_release; 2005 dev_set_name(&ac97->dev, "%d-%d:%s", 2006 ac97->bus->card->number, ac97->num, 2007 snd_ac97_get_short_name(ac97)); 2008 err = device_register(&ac97->dev); 2009 if (err < 0) { 2010 ac97_err(ac97, "Can't register ac97 bus\n"); 2011 put_device(&ac97->dev); 2012 ac97->dev.bus = NULL; 2013 return err; 2014 } 2015 return 0; 2016 } 2017 2018 /* disconnect ac97 codec */ 2019 static int snd_ac97_dev_disconnect(struct snd_device *device) 2020 { 2021 struct snd_ac97 *ac97 = device->device_data; 2022 if (ac97->dev.bus) 2023 device_unregister(&ac97->dev); 2024 return 0; 2025 } 2026 2027 /* build_ops to do nothing */ 2028 static const struct snd_ac97_build_ops null_build_ops; 2029 2030 #ifdef CONFIG_SND_AC97_POWER_SAVE 2031 static void do_update_power(struct work_struct *work) 2032 { 2033 update_power_regs( 2034 container_of(work, struct snd_ac97, power_work.work)); 2035 } 2036 #endif 2037 2038 /** 2039 * snd_ac97_mixer - create an Codec97 component 2040 * @bus: the AC97 bus which codec is attached to 2041 * @template: the template of ac97, including index, callbacks and 2042 * the private data. 2043 * @rac97: the pointer to store the new ac97 instance. 2044 * 2045 * Creates an Codec97 component. An struct snd_ac97 instance is newly 2046 * allocated and initialized from the template. The codec 2047 * is then initialized by the standard procedure. 2048 * 2049 * The template must include the codec number (num) and address (addr), 2050 * and the private data (private_data). 2051 * 2052 * The ac97 instance is registered as a low-level device, so you don't 2053 * have to release it manually. 2054 * 2055 * Return: Zero if successful, or a negative error code on failure. 2056 */ 2057 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 2058 { 2059 int err; 2060 struct snd_ac97 *ac97; 2061 struct snd_card *card; 2062 char name[64]; 2063 unsigned long end_time; 2064 unsigned int reg; 2065 const struct ac97_codec_id *pid; 2066 static const struct snd_device_ops ops = { 2067 .dev_free = snd_ac97_dev_free, 2068 .dev_register = snd_ac97_dev_register, 2069 .dev_disconnect = snd_ac97_dev_disconnect, 2070 }; 2071 2072 if (rac97) 2073 *rac97 = NULL; 2074 if (snd_BUG_ON(!bus || !template)) 2075 return -EINVAL; 2076 if (snd_BUG_ON(template->num >= 4)) 2077 return -EINVAL; 2078 if (bus->codec[template->num]) 2079 return -EBUSY; 2080 2081 card = bus->card; 2082 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 2083 if (ac97 == NULL) 2084 return -ENOMEM; 2085 ac97->private_data = template->private_data; 2086 ac97->private_free = template->private_free; 2087 ac97->bus = bus; 2088 ac97->pci = template->pci; 2089 ac97->num = template->num; 2090 ac97->addr = template->addr; 2091 ac97->scaps = template->scaps; 2092 ac97->res_table = template->res_table; 2093 bus->codec[ac97->num] = ac97; 2094 mutex_init(&ac97->reg_mutex); 2095 mutex_init(&ac97->page_mutex); 2096 #ifdef CONFIG_SND_AC97_POWER_SAVE 2097 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2098 #endif 2099 2100 #ifdef CONFIG_PCI 2101 if (ac97->pci) { 2102 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2103 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2104 } 2105 #endif 2106 if (bus->ops->reset) { 2107 bus->ops->reset(ac97); 2108 goto __access_ok; 2109 } 2110 2111 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2112 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2113 if (ac97->id && ac97->id != (unsigned int)-1) { 2114 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2115 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2116 goto __access_ok; 2117 } 2118 2119 /* reset to defaults */ 2120 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2121 snd_ac97_write(ac97, AC97_RESET, 0); 2122 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2123 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2124 if (bus->ops->wait) 2125 bus->ops->wait(ac97); 2126 else { 2127 udelay(50); 2128 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2129 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2130 else { 2131 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2132 if (err < 0) 2133 err = ac97_reset_wait(ac97, 2134 msecs_to_jiffies(500), 1); 2135 } 2136 if (err < 0) { 2137 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n", 2138 ac97->num); 2139 /* proceed anyway - it's often non-critical */ 2140 } 2141 } 2142 __access_ok: 2143 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2144 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2145 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2146 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2147 ac97_err(ac97, 2148 "AC'97 %d access is not valid [0x%x], removing mixer.\n", 2149 ac97->num, ac97->id); 2150 snd_ac97_free(ac97); 2151 return -EIO; 2152 } 2153 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2154 if (pid) 2155 ac97->flags |= pid->flags; 2156 2157 /* test for AC'97 */ 2158 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2159 /* test if we can write to the record gain volume register */ 2160 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2161 err = snd_ac97_read(ac97, AC97_REC_GAIN); 2162 if ((err & 0x7fff) == 0x0a06) 2163 ac97->scaps |= AC97_SCAP_AUDIO; 2164 } 2165 if (ac97->scaps & AC97_SCAP_AUDIO) { 2166 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2167 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2168 if (ac97->ext_id == 0xffff) /* invalid combination */ 2169 ac97->ext_id = 0; 2170 } 2171 2172 /* test for MC'97 */ 2173 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2174 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2175 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2176 ac97->ext_mid = 0; 2177 if (ac97->ext_mid & 1) 2178 ac97->scaps |= AC97_SCAP_MODEM; 2179 } 2180 2181 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2182 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2183 ac97_err(ac97, 2184 "AC'97 %d access error (not audio or modem codec)\n", 2185 ac97->num); 2186 snd_ac97_free(ac97); 2187 return -EACCES; 2188 } 2189 2190 if (bus->ops->reset) // FIXME: always skipping? 2191 goto __ready_ok; 2192 2193 /* FIXME: add powerdown control */ 2194 if (ac97_is_audio(ac97)) { 2195 /* nothing should be in powerdown mode */ 2196 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2197 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2198 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2199 udelay(100); 2200 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2201 } 2202 /* nothing should be in powerdown mode */ 2203 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2204 end_time = jiffies + msecs_to_jiffies(5000); 2205 do { 2206 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2207 goto __ready_ok; 2208 schedule_timeout_uninterruptible(1); 2209 } while (time_after_eq(end_time, jiffies)); 2210 ac97_warn(ac97, 2211 "AC'97 %d analog subsections not ready\n", ac97->num); 2212 } 2213 2214 /* FIXME: add powerdown control */ 2215 if (ac97_is_modem(ac97)) { 2216 unsigned char tmp; 2217 2218 /* nothing should be in powerdown mode */ 2219 /* note: it's important to set the rate at first */ 2220 tmp = AC97_MEA_GPIO; 2221 if (ac97->ext_mid & AC97_MEI_LINE1) { 2222 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2223 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2224 } 2225 if (ac97->ext_mid & AC97_MEI_LINE2) { 2226 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2227 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2228 } 2229 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2230 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2231 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2232 } 2233 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2234 udelay(100); 2235 /* nothing should be in powerdown mode */ 2236 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2237 end_time = jiffies + msecs_to_jiffies(100); 2238 do { 2239 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2240 goto __ready_ok; 2241 schedule_timeout_uninterruptible(1); 2242 } while (time_after_eq(end_time, jiffies)); 2243 ac97_warn(ac97, 2244 "MC'97 %d converters and GPIO not ready (0x%x)\n", 2245 ac97->num, 2246 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2247 } 2248 2249 __ready_ok: 2250 if (ac97_is_audio(ac97)) 2251 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2252 else 2253 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2254 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2255 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2256 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2257 if (! bus->no_vra) 2258 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2259 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2260 } 2261 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2262 /* Intel controllers require double rate data to be put in 2263 * slots 7+8, so let's hope the codec supports it. */ 2264 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2265 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2266 ac97->flags |= AC97_DOUBLE_RATE; 2267 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2268 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2269 } 2270 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2271 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2272 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2273 } else { 2274 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2275 if (ac97->flags & AC97_DOUBLE_RATE) 2276 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2277 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2278 } 2279 if (ac97->ext_id & AC97_EI_SPDIF) { 2280 /* codec specific code (patch) should override these values */ 2281 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2282 } 2283 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2284 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2285 } else { 2286 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2287 } 2288 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2289 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2290 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2291 } 2292 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2293 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2294 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2295 } 2296 /* additional initializations */ 2297 if (bus->ops->init) 2298 bus->ops->init(ac97); 2299 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2300 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2301 if (! ac97->build_ops) 2302 ac97->build_ops = &null_build_ops; 2303 2304 if (ac97_is_audio(ac97)) { 2305 char comp[16]; 2306 if (card->mixername[0] == '\0') { 2307 strcpy(card->mixername, name); 2308 } else { 2309 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2310 strcat(card->mixername, ","); 2311 strcat(card->mixername, name); 2312 } 2313 } 2314 sprintf(comp, "AC97a:%08x", ac97->id); 2315 err = snd_component_add(card, comp); 2316 if (err < 0) { 2317 snd_ac97_free(ac97); 2318 return err; 2319 } 2320 if (snd_ac97_mixer_build(ac97) < 0) { 2321 snd_ac97_free(ac97); 2322 return -ENOMEM; 2323 } 2324 } 2325 if (ac97_is_modem(ac97)) { 2326 char comp[16]; 2327 if (card->mixername[0] == '\0') { 2328 strcpy(card->mixername, name); 2329 } else { 2330 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2331 strcat(card->mixername, ","); 2332 strcat(card->mixername, name); 2333 } 2334 } 2335 sprintf(comp, "AC97m:%08x", ac97->id); 2336 err = snd_component_add(card, comp); 2337 if (err < 0) { 2338 snd_ac97_free(ac97); 2339 return err; 2340 } 2341 if (snd_ac97_modem_build(card, ac97) < 0) { 2342 snd_ac97_free(ac97); 2343 return -ENOMEM; 2344 } 2345 } 2346 if (ac97_is_audio(ac97)) 2347 update_power_regs(ac97); 2348 snd_ac97_proc_init(ac97); 2349 err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops); 2350 if (err < 0) { 2351 snd_ac97_free(ac97); 2352 return err; 2353 } 2354 *rac97 = ac97; 2355 return 0; 2356 } 2357 2358 EXPORT_SYMBOL(snd_ac97_mixer); 2359 2360 /* 2361 * Power down the chip. 2362 * 2363 * MASTER and HEADPHONE registers are muted but the register cache values 2364 * are not changed, so that the values can be restored in snd_ac97_resume(). 2365 */ 2366 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2367 { 2368 unsigned short power; 2369 2370 if (ac97_is_audio(ac97)) { 2371 /* some codecs have stereo mute bits */ 2372 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2373 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2374 } 2375 2376 /* surround, CLFE, mic powerdown */ 2377 power = ac97->regs[AC97_EXTENDED_STATUS]; 2378 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2379 power |= AC97_EA_PRJ; 2380 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2381 power |= AC97_EA_PRI | AC97_EA_PRK; 2382 power |= AC97_EA_PRL; 2383 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2384 2385 /* powerdown external amplifier */ 2386 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2387 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2388 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2389 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2390 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2391 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2392 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2393 udelay(100); 2394 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ 2395 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2396 if (ac97_is_power_save_mode(ac97)) { 2397 power |= AC97_PD_PR3; /* Analog Mixer powerdown */ 2398 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2399 udelay(100); 2400 /* AC-link powerdown, internal Clk disable */ 2401 /* FIXME: this may cause click noises on some boards */ 2402 power |= AC97_PD_PR4 | AC97_PD_PR5; 2403 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2404 } 2405 } 2406 2407 2408 struct ac97_power_reg { 2409 unsigned short reg; 2410 unsigned short power_reg; 2411 unsigned short mask; 2412 }; 2413 2414 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2415 2416 static const struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2417 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2418 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2419 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2420 AC97_EA_PRI | AC97_EA_PRK}, 2421 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2422 AC97_EA_PRJ}, 2423 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2424 AC97_EA_PRL}, 2425 }; 2426 2427 #ifdef CONFIG_SND_AC97_POWER_SAVE 2428 /** 2429 * snd_ac97_update_power - update the powerdown register 2430 * @ac97: the codec instance 2431 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2432 * @powerup: non-zero when power up the part 2433 * 2434 * Update the AC97 powerdown register bits of the given part. 2435 * 2436 * Return: Zero. 2437 */ 2438 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2439 { 2440 int i; 2441 2442 if (! ac97) 2443 return 0; 2444 2445 if (reg) { 2446 /* SPDIF requires DAC power, too */ 2447 if (reg == AC97_SPDIF) 2448 reg = AC97_PCM_FRONT_DAC_RATE; 2449 for (i = 0; i < PWIDX_SIZE; i++) { 2450 if (power_regs[i].reg == reg) { 2451 if (powerup) 2452 ac97->power_up |= (1 << i); 2453 else 2454 ac97->power_up &= ~(1 << i); 2455 break; 2456 } 2457 } 2458 } 2459 2460 if (ac97_is_power_save_mode(ac97) && !powerup) 2461 /* adjust power-down bits after two seconds delay 2462 * (for avoiding loud click noises for many (OSS) apps 2463 * that open/close frequently) 2464 */ 2465 schedule_delayed_work(&ac97->power_work, 2466 msecs_to_jiffies(power_save * 1000)); 2467 else { 2468 cancel_delayed_work(&ac97->power_work); 2469 update_power_regs(ac97); 2470 } 2471 2472 return 0; 2473 } 2474 2475 EXPORT_SYMBOL(snd_ac97_update_power); 2476 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2477 2478 static void update_power_regs(struct snd_ac97 *ac97) 2479 { 2480 unsigned int power_up, bits; 2481 int i; 2482 2483 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2484 power_up |= (1 << PWIDX_MIC); 2485 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2486 power_up |= (1 << PWIDX_SURR); 2487 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2488 power_up |= (1 << PWIDX_CLFE); 2489 #ifdef CONFIG_SND_AC97_POWER_SAVE 2490 if (ac97_is_power_save_mode(ac97)) 2491 power_up = ac97->power_up; 2492 #endif 2493 if (power_up) { 2494 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2495 /* needs power-up analog mix and vref */ 2496 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2497 AC97_PD_PR3, 0); 2498 msleep(1); 2499 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2500 AC97_PD_PR2, 0); 2501 } 2502 } 2503 for (i = 0; i < PWIDX_SIZE; i++) { 2504 if (power_up & (1 << i)) 2505 bits = 0; 2506 else 2507 bits = power_regs[i].mask; 2508 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2509 power_regs[i].mask, bits); 2510 } 2511 if (! power_up) { 2512 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2513 /* power down analog mix and vref */ 2514 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2515 AC97_PD_PR2, AC97_PD_PR2); 2516 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2517 AC97_PD_PR3, AC97_PD_PR3); 2518 } 2519 } 2520 } 2521 2522 2523 #ifdef CONFIG_PM 2524 /** 2525 * snd_ac97_suspend - General suspend function for AC97 codec 2526 * @ac97: the ac97 instance 2527 * 2528 * Suspends the codec, power down the chip. 2529 */ 2530 void snd_ac97_suspend(struct snd_ac97 *ac97) 2531 { 2532 if (! ac97) 2533 return; 2534 if (ac97->build_ops->suspend) 2535 ac97->build_ops->suspend(ac97); 2536 #ifdef CONFIG_SND_AC97_POWER_SAVE 2537 cancel_delayed_work_sync(&ac97->power_work); 2538 #endif 2539 snd_ac97_powerdown(ac97); 2540 } 2541 2542 EXPORT_SYMBOL(snd_ac97_suspend); 2543 2544 /* 2545 * restore ac97 status 2546 */ 2547 static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2548 { 2549 int i; 2550 2551 for (i = 2; i < 0x7c ; i += 2) { 2552 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2553 continue; 2554 /* restore only accessible registers 2555 * some chip (e.g. nm256) may hang up when unsupported registers 2556 * are accessed..! 2557 */ 2558 if (test_bit(i, ac97->reg_accessed)) { 2559 snd_ac97_write(ac97, i, ac97->regs[i]); 2560 snd_ac97_read(ac97, i); 2561 } 2562 } 2563 } 2564 2565 /* 2566 * restore IEC958 status 2567 */ 2568 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2569 { 2570 if (ac97->ext_id & AC97_EI_SPDIF) { 2571 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2572 /* reset spdif status */ 2573 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2574 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2575 if (ac97->flags & AC97_CS_SPDIF) 2576 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2577 else 2578 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2579 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2580 } 2581 } 2582 } 2583 2584 /** 2585 * snd_ac97_resume - General resume function for AC97 codec 2586 * @ac97: the ac97 instance 2587 * 2588 * Do the standard resume procedure, power up and restoring the 2589 * old register values. 2590 */ 2591 void snd_ac97_resume(struct snd_ac97 *ac97) 2592 { 2593 unsigned long end_time; 2594 2595 if (! ac97) 2596 return; 2597 2598 if (ac97->bus->ops->reset) { 2599 ac97->bus->ops->reset(ac97); 2600 goto __reset_ready; 2601 } 2602 2603 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2604 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2605 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2606 snd_ac97_write(ac97, AC97_RESET, 0); 2607 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2608 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2609 udelay(100); 2610 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2611 } 2612 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2613 2614 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2615 if (ac97_is_audio(ac97)) { 2616 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2617 end_time = jiffies + msecs_to_jiffies(100); 2618 do { 2619 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2620 break; 2621 schedule_timeout_uninterruptible(1); 2622 } while (time_after_eq(end_time, jiffies)); 2623 /* FIXME: extra delay */ 2624 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO); 2625 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO) 2626 msleep(250); 2627 } else { 2628 end_time = jiffies + msecs_to_jiffies(100); 2629 do { 2630 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2631 if (val != 0xffff && (val & 1) != 0) 2632 break; 2633 schedule_timeout_uninterruptible(1); 2634 } while (time_after_eq(end_time, jiffies)); 2635 } 2636 __reset_ready: 2637 2638 if (ac97->bus->ops->init) 2639 ac97->bus->ops->init(ac97); 2640 2641 if (ac97->build_ops->resume) 2642 ac97->build_ops->resume(ac97); 2643 else { 2644 snd_ac97_restore_status(ac97); 2645 snd_ac97_restore_iec958(ac97); 2646 } 2647 } 2648 2649 EXPORT_SYMBOL(snd_ac97_resume); 2650 #endif 2651 2652 2653 /* 2654 * Hardware tuning 2655 */ 2656 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2657 { 2658 const size_t msize = SNDRV_CTL_ELEM_ID_NAME_MAXLEN; 2659 2660 if (suffix) { 2661 if (snprintf(dst, msize, "%s %s", src, suffix) >= msize) 2662 pr_warn("ALSA: AC97 control name '%s %s' truncated to '%s'\n", 2663 src, suffix, dst); 2664 } else { 2665 if (strscpy(dst, src, msize) < 0) 2666 pr_warn("ALSA: AC97 control name '%s' truncated to '%s'\n", 2667 src, dst); 2668 } 2669 } 2670 2671 /* remove the control with the given name and optional suffix */ 2672 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2673 const char *suffix) 2674 { 2675 struct snd_ctl_elem_id id; 2676 memset(&id, 0, sizeof(id)); 2677 set_ctl_name(id.name, name, suffix); 2678 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2679 return snd_ctl_remove_id(ac97->bus->card, &id); 2680 } 2681 2682 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2683 { 2684 struct snd_ctl_elem_id sid; 2685 memset(&sid, 0, sizeof(sid)); 2686 set_ctl_name(sid.name, name, suffix); 2687 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2688 return snd_ctl_find_id(ac97->bus->card, &sid); 2689 } 2690 2691 /* rename the control with the given name and optional suffix */ 2692 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2693 const char *dst, const char *suffix) 2694 { 2695 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2696 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 2697 2698 if (kctl) { 2699 set_ctl_name(name, dst, suffix); 2700 snd_ctl_rename(ac97->bus->card, kctl, name); 2701 return 0; 2702 } 2703 return -ENOENT; 2704 } 2705 2706 /* rename both Volume and Switch controls - don't check the return value */ 2707 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2708 const char *dst) 2709 { 2710 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2711 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2712 } 2713 2714 /* swap controls */ 2715 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2716 const char *s2, const char *suffix) 2717 { 2718 struct snd_kcontrol *kctl1, *kctl2; 2719 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 2720 2721 kctl1 = ctl_find(ac97, s1, suffix); 2722 kctl2 = ctl_find(ac97, s2, suffix); 2723 if (kctl1 && kctl2) { 2724 set_ctl_name(name, s2, suffix); 2725 snd_ctl_rename(ac97->bus->card, kctl1, name); 2726 2727 set_ctl_name(name, s1, suffix); 2728 snd_ctl_rename(ac97->bus->card, kctl2, name); 2729 2730 return 0; 2731 } 2732 return -ENOENT; 2733 } 2734 2735 #if 1 2736 /* bind hp and master controls instead of using only hp control */ 2737 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2738 { 2739 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2740 if (err > 0) { 2741 unsigned long priv_saved = kcontrol->private_value; 2742 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2743 snd_ac97_put_volsw(kcontrol, ucontrol); 2744 kcontrol->private_value = priv_saved; 2745 } 2746 return err; 2747 } 2748 2749 /* ac97 tune: bind Master and Headphone controls */ 2750 static int tune_hp_only(struct snd_ac97 *ac97) 2751 { 2752 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2753 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2754 if (! msw || ! mvol) 2755 return -ENOENT; 2756 msw->put = bind_hp_volsw_put; 2757 mvol->put = bind_hp_volsw_put; 2758 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2759 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2760 return 0; 2761 } 2762 2763 #else 2764 /* ac97 tune: use Headphone control as master */ 2765 static int tune_hp_only(struct snd_ac97 *ac97) 2766 { 2767 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2768 return -ENOENT; 2769 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2770 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2771 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2772 return 0; 2773 } 2774 #endif 2775 2776 /* ac97 tune: swap Headphone and Master controls */ 2777 static int tune_swap_hp(struct snd_ac97 *ac97) 2778 { 2779 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2780 return -ENOENT; 2781 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2782 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2783 return 0; 2784 } 2785 2786 /* ac97 tune: swap Surround and Master controls */ 2787 static int tune_swap_surround(struct snd_ac97 *ac97) 2788 { 2789 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2790 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2791 return -ENOENT; 2792 return 0; 2793 } 2794 2795 /* ac97 tune: set up mic sharing for AD codecs */ 2796 static int tune_ad_sharing(struct snd_ac97 *ac97) 2797 { 2798 unsigned short scfg; 2799 if ((ac97->id & 0xffffff00) != 0x41445300) { 2800 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n"); 2801 return -EINVAL; 2802 } 2803 /* Turn on OMS bit to route microphone to back panel */ 2804 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2805 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2806 return 0; 2807 } 2808 2809 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2810 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2811 2812 /* ac97 tune: set up ALC jack-select */ 2813 static int tune_alc_jack(struct snd_ac97 *ac97) 2814 { 2815 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2816 ac97_err(ac97, 2817 "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2818 return -EINVAL; 2819 } 2820 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2821 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2822 if (ac97->id == AC97_ID_ALC658D) 2823 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2824 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2825 } 2826 2827 /* ac97 tune: inversed EAPD bit */ 2828 static int tune_inv_eapd(struct snd_ac97 *ac97) 2829 { 2830 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2831 if (! kctl) 2832 return -ENOENT; 2833 set_inv_eapd(ac97, kctl); 2834 return 0; 2835 } 2836 2837 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2838 { 2839 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2840 if (err > 0) { 2841 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2842 int shift = (kcontrol->private_value >> 8) & 0x0f; 2843 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2844 unsigned short mask; 2845 if (shift != rshift) 2846 mask = AC97_MUTE_MASK_STEREO; 2847 else 2848 mask = AC97_MUTE_MASK_MONO; 2849 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2850 (ac97->regs[AC97_MASTER] & mask) == mask ? 2851 AC97_PD_EAPD : 0); 2852 } 2853 return err; 2854 } 2855 2856 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2857 static int tune_mute_led(struct snd_ac97 *ac97) 2858 { 2859 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2860 if (! msw) 2861 return -ENOENT; 2862 msw->put = master_mute_sw_put; 2863 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2864 snd_ac97_update_bits( 2865 ac97, AC97_POWERDOWN, 2866 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2867 ); 2868 ac97->scaps |= AC97_SCAP_EAPD_LED; 2869 return 0; 2870 } 2871 2872 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2873 struct snd_ctl_elem_value *ucontrol) 2874 { 2875 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2876 if (err > 0) { 2877 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2878 int shift = (kcontrol->private_value >> 8) & 0x0f; 2879 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2880 unsigned short mask; 2881 if (shift != rshift) 2882 mask = AC97_MUTE_MASK_STEREO; 2883 else 2884 mask = AC97_MUTE_MASK_MONO; 2885 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2886 (ac97->regs[AC97_MASTER] & mask) == mask ? 2887 AC97_PD_EAPD : 0); 2888 } 2889 return err; 2890 } 2891 2892 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2893 { 2894 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2895 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2896 if (! msw || ! mvol) 2897 return -ENOENT; 2898 msw->put = hp_master_mute_sw_put; 2899 mvol->put = bind_hp_volsw_put; 2900 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2901 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2902 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2903 snd_ac97_update_bits( 2904 ac97, AC97_POWERDOWN, 2905 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2906 ); 2907 return 0; 2908 } 2909 2910 struct quirk_table { 2911 const char *name; 2912 int (*func)(struct snd_ac97 *); 2913 }; 2914 2915 static const struct quirk_table applicable_quirks[] = { 2916 { "none", NULL }, 2917 { "hp_only", tune_hp_only }, 2918 { "swap_hp", tune_swap_hp }, 2919 { "swap_surround", tune_swap_surround }, 2920 { "ad_sharing", tune_ad_sharing }, 2921 { "alc_jack", tune_alc_jack }, 2922 { "inv_eapd", tune_inv_eapd }, 2923 { "mute_led", tune_mute_led }, 2924 { "hp_mute_led", tune_hp_mute_led }, 2925 }; 2926 2927 /* apply the quirk with the given type */ 2928 static int apply_quirk(struct snd_ac97 *ac97, int type) 2929 { 2930 if (type <= 0) 2931 return 0; 2932 else if (type >= ARRAY_SIZE(applicable_quirks)) 2933 return -EINVAL; 2934 if (applicable_quirks[type].func) 2935 return applicable_quirks[type].func(ac97); 2936 return 0; 2937 } 2938 2939 /* apply the quirk with the given name */ 2940 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2941 { 2942 int i; 2943 const struct quirk_table *q; 2944 2945 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2946 q = &applicable_quirks[i]; 2947 if (q->name && ! strcmp(typestr, q->name)) 2948 return apply_quirk(ac97, i); 2949 } 2950 /* for compatibility, accept the numbers, too */ 2951 if (*typestr >= '0' && *typestr <= '9') 2952 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2953 return -EINVAL; 2954 } 2955 2956 /** 2957 * snd_ac97_tune_hardware - tune up the hardware 2958 * @ac97: the ac97 instance 2959 * @quirk: quirk list 2960 * @override: explicit quirk value (overrides the list if non-NULL) 2961 * 2962 * Do some workaround for each pci device, such as renaming of the 2963 * headphone (true line-out) control as "Master". 2964 * The quirk-list must be terminated with a zero-filled entry. 2965 * 2966 * Return: Zero if successful, or a negative error code on failure. 2967 */ 2968 2969 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, 2970 const struct ac97_quirk *quirk, const char *override) 2971 { 2972 int result; 2973 2974 /* quirk overriden? */ 2975 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2976 result = apply_quirk_str(ac97, override); 2977 if (result < 0) 2978 ac97_err(ac97, "applying quirk type %s failed (%d)\n", 2979 override, result); 2980 return result; 2981 } 2982 2983 if (! quirk) 2984 return -EINVAL; 2985 2986 for (; quirk->subvendor; quirk++) { 2987 if (quirk->subvendor != ac97->subsystem_vendor) 2988 continue; 2989 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2990 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2991 if (quirk->codec_id && quirk->codec_id != ac97->id) 2992 continue; 2993 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n", 2994 quirk->name, ac97->subsystem_vendor, 2995 ac97->subsystem_device); 2996 result = apply_quirk(ac97, quirk->type); 2997 if (result < 0) 2998 ac97_err(ac97, 2999 "applying quirk type %d for %s failed (%d)\n", 3000 quirk->type, quirk->name, result); 3001 return result; 3002 } 3003 } 3004 return 0; 3005 } 3006 3007 EXPORT_SYMBOL(snd_ac97_tune_hardware); 3008