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 (snd_BUG_ON(!bus || !template || !rac97)) 2073 return -EINVAL; 2074 *rac97 = NULL; 2075 if (snd_BUG_ON(template->num >= 4)) 2076 return -EINVAL; 2077 if (bus->codec[template->num]) 2078 return -EBUSY; 2079 2080 card = bus->card; 2081 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 2082 if (ac97 == NULL) 2083 return -ENOMEM; 2084 ac97->private_data = template->private_data; 2085 ac97->private_free = template->private_free; 2086 ac97->bus = bus; 2087 ac97->pci = template->pci; 2088 ac97->num = template->num; 2089 ac97->addr = template->addr; 2090 ac97->scaps = template->scaps; 2091 ac97->res_table = template->res_table; 2092 bus->codec[ac97->num] = ac97; 2093 mutex_init(&ac97->reg_mutex); 2094 mutex_init(&ac97->page_mutex); 2095 #ifdef CONFIG_SND_AC97_POWER_SAVE 2096 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2097 #endif 2098 2099 #ifdef CONFIG_PCI 2100 if (ac97->pci) { 2101 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2102 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2103 } 2104 #endif 2105 if (bus->ops->reset) { 2106 bus->ops->reset(ac97); 2107 goto __access_ok; 2108 } 2109 2110 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2111 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2112 if (ac97->id && ac97->id != (unsigned int)-1) { 2113 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2114 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2115 goto __access_ok; 2116 } 2117 2118 /* reset to defaults */ 2119 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2120 snd_ac97_write(ac97, AC97_RESET, 0); 2121 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2122 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2123 if (bus->ops->wait) 2124 bus->ops->wait(ac97); 2125 else { 2126 udelay(50); 2127 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2128 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2129 else { 2130 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2131 if (err < 0) 2132 err = ac97_reset_wait(ac97, 2133 msecs_to_jiffies(500), 1); 2134 } 2135 if (err < 0) { 2136 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n", 2137 ac97->num); 2138 /* proceed anyway - it's often non-critical */ 2139 } 2140 } 2141 __access_ok: 2142 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2143 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2144 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2145 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2146 ac97_err(ac97, 2147 "AC'97 %d access is not valid [0x%x], removing mixer.\n", 2148 ac97->num, ac97->id); 2149 snd_ac97_free(ac97); 2150 return -EIO; 2151 } 2152 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2153 if (pid) 2154 ac97->flags |= pid->flags; 2155 2156 /* test for AC'97 */ 2157 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2158 /* test if we can write to the record gain volume register */ 2159 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2160 err = snd_ac97_read(ac97, AC97_REC_GAIN); 2161 if ((err & 0x7fff) == 0x0a06) 2162 ac97->scaps |= AC97_SCAP_AUDIO; 2163 } 2164 if (ac97->scaps & AC97_SCAP_AUDIO) { 2165 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2166 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2167 if (ac97->ext_id == 0xffff) /* invalid combination */ 2168 ac97->ext_id = 0; 2169 } 2170 2171 /* test for MC'97 */ 2172 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2173 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2174 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2175 ac97->ext_mid = 0; 2176 if (ac97->ext_mid & 1) 2177 ac97->scaps |= AC97_SCAP_MODEM; 2178 } 2179 2180 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2181 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2182 ac97_err(ac97, 2183 "AC'97 %d access error (not audio or modem codec)\n", 2184 ac97->num); 2185 snd_ac97_free(ac97); 2186 return -EACCES; 2187 } 2188 2189 if (bus->ops->reset) // FIXME: always skipping? 2190 goto __ready_ok; 2191 2192 /* FIXME: add powerdown control */ 2193 if (ac97_is_audio(ac97)) { 2194 /* nothing should be in powerdown mode */ 2195 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2196 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2197 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2198 udelay(100); 2199 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2200 } 2201 /* nothing should be in powerdown mode */ 2202 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2203 end_time = jiffies + msecs_to_jiffies(5000); 2204 do { 2205 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2206 goto __ready_ok; 2207 schedule_timeout_uninterruptible(1); 2208 } while (time_after_eq(end_time, jiffies)); 2209 ac97_warn(ac97, 2210 "AC'97 %d analog subsections not ready\n", ac97->num); 2211 } 2212 2213 /* FIXME: add powerdown control */ 2214 if (ac97_is_modem(ac97)) { 2215 unsigned char tmp; 2216 2217 /* nothing should be in powerdown mode */ 2218 /* note: it's important to set the rate at first */ 2219 tmp = AC97_MEA_GPIO; 2220 if (ac97->ext_mid & AC97_MEI_LINE1) { 2221 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2222 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2223 } 2224 if (ac97->ext_mid & AC97_MEI_LINE2) { 2225 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2226 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2227 } 2228 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2229 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2230 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2231 } 2232 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2233 udelay(100); 2234 /* nothing should be in powerdown mode */ 2235 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2236 end_time = jiffies + msecs_to_jiffies(100); 2237 do { 2238 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2239 goto __ready_ok; 2240 schedule_timeout_uninterruptible(1); 2241 } while (time_after_eq(end_time, jiffies)); 2242 ac97_warn(ac97, 2243 "MC'97 %d converters and GPIO not ready (0x%x)\n", 2244 ac97->num, 2245 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2246 } 2247 2248 __ready_ok: 2249 if (ac97_is_audio(ac97)) 2250 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2251 else 2252 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2253 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2254 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2255 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2256 if (! bus->no_vra) 2257 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2258 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2259 } 2260 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2261 /* Intel controllers require double rate data to be put in 2262 * slots 7+8, so let's hope the codec supports it. */ 2263 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2264 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2265 ac97->flags |= AC97_DOUBLE_RATE; 2266 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2267 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2268 } 2269 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2270 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2271 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2272 } else { 2273 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2274 if (ac97->flags & AC97_DOUBLE_RATE) 2275 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2276 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2277 } 2278 if (ac97->ext_id & AC97_EI_SPDIF) { 2279 /* codec specific code (patch) should override these values */ 2280 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2281 } 2282 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2283 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2284 } else { 2285 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2286 } 2287 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2288 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2289 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2290 } 2291 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2292 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2293 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2294 } 2295 /* additional initializations */ 2296 if (bus->ops->init) 2297 bus->ops->init(ac97); 2298 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2299 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2300 if (! ac97->build_ops) 2301 ac97->build_ops = &null_build_ops; 2302 2303 if (ac97_is_audio(ac97)) { 2304 char comp[16]; 2305 if (card->mixername[0] == '\0') { 2306 strcpy(card->mixername, name); 2307 } else { 2308 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2309 strcat(card->mixername, ","); 2310 strcat(card->mixername, name); 2311 } 2312 } 2313 sprintf(comp, "AC97a:%08x", ac97->id); 2314 err = snd_component_add(card, comp); 2315 if (err < 0) { 2316 snd_ac97_free(ac97); 2317 return err; 2318 } 2319 if (snd_ac97_mixer_build(ac97) < 0) { 2320 snd_ac97_free(ac97); 2321 return -ENOMEM; 2322 } 2323 } 2324 if (ac97_is_modem(ac97)) { 2325 char comp[16]; 2326 if (card->mixername[0] == '\0') { 2327 strcpy(card->mixername, name); 2328 } else { 2329 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2330 strcat(card->mixername, ","); 2331 strcat(card->mixername, name); 2332 } 2333 } 2334 sprintf(comp, "AC97m:%08x", ac97->id); 2335 err = snd_component_add(card, comp); 2336 if (err < 0) { 2337 snd_ac97_free(ac97); 2338 return err; 2339 } 2340 if (snd_ac97_modem_build(card, ac97) < 0) { 2341 snd_ac97_free(ac97); 2342 return -ENOMEM; 2343 } 2344 } 2345 if (ac97_is_audio(ac97)) 2346 update_power_regs(ac97); 2347 snd_ac97_proc_init(ac97); 2348 err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops); 2349 if (err < 0) { 2350 snd_ac97_free(ac97); 2351 return err; 2352 } 2353 *rac97 = ac97; 2354 return 0; 2355 } 2356 2357 EXPORT_SYMBOL(snd_ac97_mixer); 2358 2359 /* 2360 * Power down the chip. 2361 * 2362 * MASTER and HEADPHONE registers are muted but the register cache values 2363 * are not changed, so that the values can be restored in snd_ac97_resume(). 2364 */ 2365 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2366 { 2367 unsigned short power; 2368 2369 if (ac97_is_audio(ac97)) { 2370 /* some codecs have stereo mute bits */ 2371 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2372 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2373 } 2374 2375 /* surround, CLFE, mic powerdown */ 2376 power = ac97->regs[AC97_EXTENDED_STATUS]; 2377 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2378 power |= AC97_EA_PRJ; 2379 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2380 power |= AC97_EA_PRI | AC97_EA_PRK; 2381 power |= AC97_EA_PRL; 2382 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2383 2384 /* powerdown external amplifier */ 2385 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2386 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2387 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2388 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2389 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2390 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2391 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2392 udelay(100); 2393 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ 2394 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2395 if (ac97_is_power_save_mode(ac97)) { 2396 power |= AC97_PD_PR3; /* Analog Mixer powerdown */ 2397 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2398 udelay(100); 2399 /* AC-link powerdown, internal Clk disable */ 2400 /* FIXME: this may cause click noises on some boards */ 2401 power |= AC97_PD_PR4 | AC97_PD_PR5; 2402 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2403 } 2404 } 2405 2406 2407 struct ac97_power_reg { 2408 unsigned short reg; 2409 unsigned short power_reg; 2410 unsigned short mask; 2411 }; 2412 2413 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2414 2415 static const struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2416 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2417 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2418 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2419 AC97_EA_PRI | AC97_EA_PRK}, 2420 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2421 AC97_EA_PRJ}, 2422 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2423 AC97_EA_PRL}, 2424 }; 2425 2426 #ifdef CONFIG_SND_AC97_POWER_SAVE 2427 /** 2428 * snd_ac97_update_power - update the powerdown register 2429 * @ac97: the codec instance 2430 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2431 * @powerup: non-zero when power up the part 2432 * 2433 * Update the AC97 powerdown register bits of the given part. 2434 * 2435 * Return: Zero. 2436 */ 2437 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2438 { 2439 int i; 2440 2441 if (! ac97) 2442 return 0; 2443 2444 if (reg) { 2445 /* SPDIF requires DAC power, too */ 2446 if (reg == AC97_SPDIF) 2447 reg = AC97_PCM_FRONT_DAC_RATE; 2448 for (i = 0; i < PWIDX_SIZE; i++) { 2449 if (power_regs[i].reg == reg) { 2450 if (powerup) 2451 ac97->power_up |= (1 << i); 2452 else 2453 ac97->power_up &= ~(1 << i); 2454 break; 2455 } 2456 } 2457 } 2458 2459 if (ac97_is_power_save_mode(ac97) && !powerup) 2460 /* adjust power-down bits after two seconds delay 2461 * (for avoiding loud click noises for many (OSS) apps 2462 * that open/close frequently) 2463 */ 2464 schedule_delayed_work(&ac97->power_work, 2465 msecs_to_jiffies(power_save * 1000)); 2466 else { 2467 cancel_delayed_work(&ac97->power_work); 2468 update_power_regs(ac97); 2469 } 2470 2471 return 0; 2472 } 2473 2474 EXPORT_SYMBOL(snd_ac97_update_power); 2475 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2476 2477 static void update_power_regs(struct snd_ac97 *ac97) 2478 { 2479 unsigned int power_up, bits; 2480 int i; 2481 2482 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2483 power_up |= (1 << PWIDX_MIC); 2484 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2485 power_up |= (1 << PWIDX_SURR); 2486 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2487 power_up |= (1 << PWIDX_CLFE); 2488 #ifdef CONFIG_SND_AC97_POWER_SAVE 2489 if (ac97_is_power_save_mode(ac97)) 2490 power_up = ac97->power_up; 2491 #endif 2492 if (power_up) { 2493 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2494 /* needs power-up analog mix and vref */ 2495 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2496 AC97_PD_PR3, 0); 2497 msleep(1); 2498 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2499 AC97_PD_PR2, 0); 2500 } 2501 } 2502 for (i = 0; i < PWIDX_SIZE; i++) { 2503 if (power_up & (1 << i)) 2504 bits = 0; 2505 else 2506 bits = power_regs[i].mask; 2507 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2508 power_regs[i].mask, bits); 2509 } 2510 if (! power_up) { 2511 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2512 /* power down analog mix and vref */ 2513 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2514 AC97_PD_PR2, AC97_PD_PR2); 2515 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2516 AC97_PD_PR3, AC97_PD_PR3); 2517 } 2518 } 2519 } 2520 2521 2522 #ifdef CONFIG_PM 2523 /** 2524 * snd_ac97_suspend - General suspend function for AC97 codec 2525 * @ac97: the ac97 instance 2526 * 2527 * Suspends the codec, power down the chip. 2528 */ 2529 void snd_ac97_suspend(struct snd_ac97 *ac97) 2530 { 2531 if (! ac97) 2532 return; 2533 if (ac97->build_ops->suspend) 2534 ac97->build_ops->suspend(ac97); 2535 #ifdef CONFIG_SND_AC97_POWER_SAVE 2536 cancel_delayed_work_sync(&ac97->power_work); 2537 #endif 2538 snd_ac97_powerdown(ac97); 2539 } 2540 2541 EXPORT_SYMBOL(snd_ac97_suspend); 2542 2543 /* 2544 * restore ac97 status 2545 */ 2546 static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2547 { 2548 int i; 2549 2550 for (i = 2; i < 0x7c ; i += 2) { 2551 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2552 continue; 2553 /* restore only accessible registers 2554 * some chip (e.g. nm256) may hang up when unsupported registers 2555 * are accessed..! 2556 */ 2557 if (test_bit(i, ac97->reg_accessed)) { 2558 snd_ac97_write(ac97, i, ac97->regs[i]); 2559 snd_ac97_read(ac97, i); 2560 } 2561 } 2562 } 2563 2564 /* 2565 * restore IEC958 status 2566 */ 2567 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2568 { 2569 if (ac97->ext_id & AC97_EI_SPDIF) { 2570 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2571 /* reset spdif status */ 2572 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2573 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2574 if (ac97->flags & AC97_CS_SPDIF) 2575 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2576 else 2577 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2578 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2579 } 2580 } 2581 } 2582 2583 /** 2584 * snd_ac97_resume - General resume function for AC97 codec 2585 * @ac97: the ac97 instance 2586 * 2587 * Do the standard resume procedure, power up and restoring the 2588 * old register values. 2589 */ 2590 void snd_ac97_resume(struct snd_ac97 *ac97) 2591 { 2592 unsigned long end_time; 2593 2594 if (! ac97) 2595 return; 2596 2597 if (ac97->bus->ops->reset) { 2598 ac97->bus->ops->reset(ac97); 2599 goto __reset_ready; 2600 } 2601 2602 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2603 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2604 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2605 snd_ac97_write(ac97, AC97_RESET, 0); 2606 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2607 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2608 udelay(100); 2609 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2610 } 2611 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2612 2613 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2614 if (ac97_is_audio(ac97)) { 2615 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2616 end_time = jiffies + msecs_to_jiffies(100); 2617 do { 2618 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2619 break; 2620 schedule_timeout_uninterruptible(1); 2621 } while (time_after_eq(end_time, jiffies)); 2622 /* FIXME: extra delay */ 2623 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO); 2624 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO) 2625 msleep(250); 2626 } else { 2627 end_time = jiffies + msecs_to_jiffies(100); 2628 do { 2629 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2630 if (val != 0xffff && (val & 1) != 0) 2631 break; 2632 schedule_timeout_uninterruptible(1); 2633 } while (time_after_eq(end_time, jiffies)); 2634 } 2635 __reset_ready: 2636 2637 if (ac97->bus->ops->init) 2638 ac97->bus->ops->init(ac97); 2639 2640 if (ac97->build_ops->resume) 2641 ac97->build_ops->resume(ac97); 2642 else { 2643 snd_ac97_restore_status(ac97); 2644 snd_ac97_restore_iec958(ac97); 2645 } 2646 } 2647 2648 EXPORT_SYMBOL(snd_ac97_resume); 2649 #endif 2650 2651 2652 /* 2653 * Hardware tuning 2654 */ 2655 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2656 { 2657 const size_t msize = SNDRV_CTL_ELEM_ID_NAME_MAXLEN; 2658 2659 if (suffix) { 2660 if (snprintf(dst, msize, "%s %s", src, suffix) >= msize) 2661 pr_warn("ALSA: AC97 control name '%s %s' truncated to '%s'\n", 2662 src, suffix, dst); 2663 } else { 2664 if (strscpy(dst, src, msize) < 0) 2665 pr_warn("ALSA: AC97 control name '%s' truncated to '%s'\n", 2666 src, dst); 2667 } 2668 } 2669 2670 /* remove the control with the given name and optional suffix */ 2671 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2672 const char *suffix) 2673 { 2674 struct snd_ctl_elem_id id; 2675 memset(&id, 0, sizeof(id)); 2676 set_ctl_name(id.name, name, suffix); 2677 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2678 return snd_ctl_remove_id(ac97->bus->card, &id); 2679 } 2680 2681 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2682 { 2683 struct snd_ctl_elem_id sid; 2684 memset(&sid, 0, sizeof(sid)); 2685 set_ctl_name(sid.name, name, suffix); 2686 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2687 return snd_ctl_find_id(ac97->bus->card, &sid); 2688 } 2689 2690 /* rename the control with the given name and optional suffix */ 2691 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2692 const char *dst, const char *suffix) 2693 { 2694 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2695 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 2696 2697 if (kctl) { 2698 set_ctl_name(name, dst, suffix); 2699 snd_ctl_rename(ac97->bus->card, kctl, name); 2700 return 0; 2701 } 2702 return -ENOENT; 2703 } 2704 2705 /* rename both Volume and Switch controls - don't check the return value */ 2706 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2707 const char *dst) 2708 { 2709 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2710 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2711 } 2712 2713 /* swap controls */ 2714 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2715 const char *s2, const char *suffix) 2716 { 2717 struct snd_kcontrol *kctl1, *kctl2; 2718 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 2719 2720 kctl1 = ctl_find(ac97, s1, suffix); 2721 kctl2 = ctl_find(ac97, s2, suffix); 2722 if (kctl1 && kctl2) { 2723 set_ctl_name(name, s2, suffix); 2724 snd_ctl_rename(ac97->bus->card, kctl1, name); 2725 2726 set_ctl_name(name, s1, suffix); 2727 snd_ctl_rename(ac97->bus->card, kctl2, name); 2728 2729 return 0; 2730 } 2731 return -ENOENT; 2732 } 2733 2734 #if 1 2735 /* bind hp and master controls instead of using only hp control */ 2736 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2737 { 2738 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2739 if (err > 0) { 2740 unsigned long priv_saved = kcontrol->private_value; 2741 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2742 snd_ac97_put_volsw(kcontrol, ucontrol); 2743 kcontrol->private_value = priv_saved; 2744 } 2745 return err; 2746 } 2747 2748 /* ac97 tune: bind Master and Headphone controls */ 2749 static int tune_hp_only(struct snd_ac97 *ac97) 2750 { 2751 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2752 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2753 if (! msw || ! mvol) 2754 return -ENOENT; 2755 msw->put = bind_hp_volsw_put; 2756 mvol->put = bind_hp_volsw_put; 2757 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2758 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2759 return 0; 2760 } 2761 2762 #else 2763 /* ac97 tune: use Headphone control as master */ 2764 static int tune_hp_only(struct snd_ac97 *ac97) 2765 { 2766 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2767 return -ENOENT; 2768 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2769 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2770 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2771 return 0; 2772 } 2773 #endif 2774 2775 /* ac97 tune: swap Headphone and Master controls */ 2776 static int tune_swap_hp(struct snd_ac97 *ac97) 2777 { 2778 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2779 return -ENOENT; 2780 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2781 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2782 return 0; 2783 } 2784 2785 /* ac97 tune: swap Surround and Master controls */ 2786 static int tune_swap_surround(struct snd_ac97 *ac97) 2787 { 2788 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2789 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2790 return -ENOENT; 2791 return 0; 2792 } 2793 2794 /* ac97 tune: set up mic sharing for AD codecs */ 2795 static int tune_ad_sharing(struct snd_ac97 *ac97) 2796 { 2797 unsigned short scfg; 2798 if ((ac97->id & 0xffffff00) != 0x41445300) { 2799 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n"); 2800 return -EINVAL; 2801 } 2802 /* Turn on OMS bit to route microphone to back panel */ 2803 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2804 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2805 return 0; 2806 } 2807 2808 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2809 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2810 2811 /* ac97 tune: set up ALC jack-select */ 2812 static int tune_alc_jack(struct snd_ac97 *ac97) 2813 { 2814 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2815 ac97_err(ac97, 2816 "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2817 return -EINVAL; 2818 } 2819 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2820 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2821 if (ac97->id == AC97_ID_ALC658D) 2822 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2823 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2824 } 2825 2826 /* ac97 tune: inversed EAPD bit */ 2827 static int tune_inv_eapd(struct snd_ac97 *ac97) 2828 { 2829 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2830 if (! kctl) 2831 return -ENOENT; 2832 set_inv_eapd(ac97, kctl); 2833 return 0; 2834 } 2835 2836 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2837 { 2838 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2839 if (err > 0) { 2840 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2841 int shift = (kcontrol->private_value >> 8) & 0x0f; 2842 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2843 unsigned short mask; 2844 if (shift != rshift) 2845 mask = AC97_MUTE_MASK_STEREO; 2846 else 2847 mask = AC97_MUTE_MASK_MONO; 2848 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2849 (ac97->regs[AC97_MASTER] & mask) == mask ? 2850 AC97_PD_EAPD : 0); 2851 } 2852 return err; 2853 } 2854 2855 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2856 static int tune_mute_led(struct snd_ac97 *ac97) 2857 { 2858 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2859 if (! msw) 2860 return -ENOENT; 2861 msw->put = master_mute_sw_put; 2862 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2863 snd_ac97_update_bits( 2864 ac97, AC97_POWERDOWN, 2865 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2866 ); 2867 ac97->scaps |= AC97_SCAP_EAPD_LED; 2868 return 0; 2869 } 2870 2871 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2872 struct snd_ctl_elem_value *ucontrol) 2873 { 2874 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2875 if (err > 0) { 2876 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2877 int shift = (kcontrol->private_value >> 8) & 0x0f; 2878 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2879 unsigned short mask; 2880 if (shift != rshift) 2881 mask = AC97_MUTE_MASK_STEREO; 2882 else 2883 mask = AC97_MUTE_MASK_MONO; 2884 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2885 (ac97->regs[AC97_MASTER] & mask) == mask ? 2886 AC97_PD_EAPD : 0); 2887 } 2888 return err; 2889 } 2890 2891 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2892 { 2893 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2894 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2895 if (! msw || ! mvol) 2896 return -ENOENT; 2897 msw->put = hp_master_mute_sw_put; 2898 mvol->put = bind_hp_volsw_put; 2899 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2900 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2901 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2902 snd_ac97_update_bits( 2903 ac97, AC97_POWERDOWN, 2904 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2905 ); 2906 return 0; 2907 } 2908 2909 struct quirk_table { 2910 const char *name; 2911 int (*func)(struct snd_ac97 *); 2912 }; 2913 2914 static const struct quirk_table applicable_quirks[] = { 2915 { "none", NULL }, 2916 { "hp_only", tune_hp_only }, 2917 { "swap_hp", tune_swap_hp }, 2918 { "swap_surround", tune_swap_surround }, 2919 { "ad_sharing", tune_ad_sharing }, 2920 { "alc_jack", tune_alc_jack }, 2921 { "inv_eapd", tune_inv_eapd }, 2922 { "mute_led", tune_mute_led }, 2923 { "hp_mute_led", tune_hp_mute_led }, 2924 }; 2925 2926 /* apply the quirk with the given type */ 2927 static int apply_quirk(struct snd_ac97 *ac97, int type) 2928 { 2929 if (type <= 0) 2930 return 0; 2931 else if (type >= ARRAY_SIZE(applicable_quirks)) 2932 return -EINVAL; 2933 if (applicable_quirks[type].func) 2934 return applicable_quirks[type].func(ac97); 2935 return 0; 2936 } 2937 2938 /* apply the quirk with the given name */ 2939 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2940 { 2941 int i; 2942 const struct quirk_table *q; 2943 2944 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2945 q = &applicable_quirks[i]; 2946 if (q->name && ! strcmp(typestr, q->name)) 2947 return apply_quirk(ac97, i); 2948 } 2949 /* for compatibility, accept the numbers, too */ 2950 if (*typestr >= '0' && *typestr <= '9') 2951 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2952 return -EINVAL; 2953 } 2954 2955 /** 2956 * snd_ac97_tune_hardware - tune up the hardware 2957 * @ac97: the ac97 instance 2958 * @quirk: quirk list 2959 * @override: explicit quirk value (overrides the list if non-NULL) 2960 * 2961 * Do some workaround for each pci device, such as renaming of the 2962 * headphone (true line-out) control as "Master". 2963 * The quirk-list must be terminated with a zero-filled entry. 2964 * 2965 * Return: Zero if successful, or a negative error code on failure. 2966 */ 2967 2968 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, 2969 const struct ac97_quirk *quirk, const char *override) 2970 { 2971 int result; 2972 2973 /* quirk overriden? */ 2974 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2975 result = apply_quirk_str(ac97, override); 2976 if (result < 0) 2977 ac97_err(ac97, "applying quirk type %s failed (%d)\n", 2978 override, result); 2979 return result; 2980 } 2981 2982 if (! quirk) 2983 return -EINVAL; 2984 2985 for (; quirk->subvendor; quirk++) { 2986 if (quirk->subvendor != ac97->subsystem_vendor) 2987 continue; 2988 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2989 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2990 if (quirk->codec_id && quirk->codec_id != ac97->id) 2991 continue; 2992 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n", 2993 quirk->name, ac97->subsystem_vendor, 2994 ac97->subsystem_device); 2995 result = apply_quirk(ac97, quirk->type); 2996 if (result < 0) 2997 ac97_err(ac97, 2998 "applying quirk type %d for %s failed (%d)\n", 2999 quirk->type, quirk->name, result); 3000 return result; 3001 } 3002 } 3003 return 0; 3004 } 3005 3006 EXPORT_SYMBOL(snd_ac97_tune_hardware); 3007