1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 3 * Universal interface for Audio Codec '97 4 * 5 * For more details look to AC '97 component specification revision 2.2 6 * by Intel Corporation (http://developer.intel.com). 7 * 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 */ 24 25 #include <linux/delay.h> 26 #include <linux/init.h> 27 #include <linux/slab.h> 28 #include <linux/pci.h> 29 #include <linux/module.h> 30 #include <linux/mutex.h> 31 #include <sound/core.h> 32 #include <sound/pcm.h> 33 #include <sound/tlv.h> 34 #include <sound/ac97_codec.h> 35 #include <sound/asoundef.h> 36 #include <sound/initval.h> 37 #include "ac97_id.h" 38 39 #include "ac97_patch.c" 40 41 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 42 MODULE_DESCRIPTION("Universal interface for Audio Codec '97"); 43 MODULE_LICENSE("GPL"); 44 45 static bool enable_loopback; 46 47 module_param(enable_loopback, bool, 0444); 48 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control"); 49 50 #ifdef CONFIG_SND_AC97_POWER_SAVE 51 static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT; 52 module_param(power_save, int, 0644); 53 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout " 54 "(in second, 0 = disable)."); 55 #endif 56 /* 57 58 */ 59 60 struct ac97_codec_id { 61 unsigned int id; 62 unsigned int mask; 63 const char *name; 64 int (*patch)(struct snd_ac97 *ac97); 65 int (*mpatch)(struct snd_ac97 *ac97); 66 unsigned int flags; 67 }; 68 69 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = { 70 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, 71 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, 72 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, 73 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL }, 74 /* 75 * This is an _inofficial_ Aztech Labs entry 76 * (value might differ from unknown official Aztech ID), 77 * currently used by the AC97 emulation of the almost-AC97 PCI168 card. 78 */ 79 { 0x415a5400, 0xffffff00, "Aztech Labs (emulated)", NULL, NULL }, 80 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, 81 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, 82 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, 83 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, 84 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, 85 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, 86 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, 87 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, 88 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, 89 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, 90 { 0x50534300, 0xffffff00, "Philips", NULL, NULL }, 91 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, 92 { 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL }, 93 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, 94 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, 95 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, 96 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, 97 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, 98 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, 99 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, 100 { 0, 0, NULL, NULL, NULL } 101 }; 102 103 static const struct ac97_codec_id snd_ac97_codec_ids[] = { 104 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, 105 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, 106 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, 107 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, 108 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, 109 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, 110 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, 111 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, 112 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, 113 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, 114 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, 115 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, 116 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL }, 117 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, 118 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, 119 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, 120 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, 121 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, 122 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, 123 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, 124 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ 125 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ 126 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ 127 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, 128 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 129 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 130 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 131 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, 132 { 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL }, 133 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ 134 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 135 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 136 { 0x415a5401, 0xffffffff, "AZF3328", patch_aztech_azf3328, NULL }, 137 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, 138 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, 139 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, 140 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL }, 141 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL }, 142 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL }, 143 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, 144 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, 145 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, 146 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, 147 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, 148 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, 149 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, 150 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, 151 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, 152 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II 153 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different 154 { 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL }, 155 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL }, 156 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 157 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028? 158 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 159 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 160 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 161 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 162 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 163 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 164 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 165 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 166 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 167 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 168 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 169 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix 170 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL }, 171 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 172 { 0x53544d02, 0xffffffff, "ST7597", NULL, NULL }, 173 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 174 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL }, 175 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 176 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 177 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 178 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 179 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 180 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 181 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL }, 182 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 183 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL }, 184 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 185 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 186 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 187 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 188 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL}, 189 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 190 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL }, 191 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 192 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 193 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 194 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 195 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 196 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 197 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 198 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 199 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 200 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 201 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 202 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 203 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 204 { 0, 0, NULL, NULL, NULL } 205 }; 206 207 208 static void update_power_regs(struct snd_ac97 *ac97); 209 #ifdef CONFIG_SND_AC97_POWER_SAVE 210 #define ac97_is_power_save_mode(ac97) \ 211 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save) 212 #else 213 #define ac97_is_power_save_mode(ac97) 0 214 #endif 215 216 217 /* 218 * I/O routines 219 */ 220 221 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 222 { 223 /* filter some registers for buggy codecs */ 224 switch (ac97->id) { 225 case AC97_ID_ST_AC97_ID4: 226 if (reg == 0x08) 227 return 0; 228 /* fall through */ 229 case AC97_ID_ST7597: 230 if (reg == 0x22 || reg == 0x7a) 231 return 1; 232 /* fall through */ 233 case AC97_ID_AK4540: 234 case AC97_ID_AK4542: 235 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 236 return 1; 237 return 0; 238 case AC97_ID_AD1819: /* AD1819 */ 239 case AC97_ID_AD1881: /* AD1881 */ 240 case AC97_ID_AD1881A: /* AD1881A */ 241 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 242 return 0; 243 return 1; 244 case AC97_ID_AD1885: /* AD1885 */ 245 case AC97_ID_AD1886: /* AD1886 */ 246 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 247 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 248 if (reg == 0x5a) 249 return 1; 250 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 251 return 0; 252 return 1; 253 case AC97_ID_STAC9700: 254 case AC97_ID_STAC9704: 255 case AC97_ID_STAC9705: 256 case AC97_ID_STAC9708: 257 case AC97_ID_STAC9721: 258 case AC97_ID_STAC9744: 259 case AC97_ID_STAC9756: 260 if (reg <= 0x3a || reg >= 0x5a) 261 return 1; 262 return 0; 263 } 264 return 1; 265 } 266 267 /** 268 * snd_ac97_write - write a value on the given register 269 * @ac97: the ac97 instance 270 * @reg: the register to change 271 * @value: the value to set 272 * 273 * Writes a value on the given register. This will invoke the write 274 * callback directly after the register check. 275 * This function doesn't change the register cache unlike 276 * #snd_ca97_write_cache(), so use this only when you don't want to 277 * reflect the change to the suspend/resume state. 278 */ 279 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 280 { 281 if (!snd_ac97_valid_reg(ac97, reg)) 282 return; 283 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 284 /* Fix H/W bug of ALC100/100P */ 285 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 286 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 287 } 288 ac97->bus->ops->write(ac97, reg, value); 289 } 290 291 EXPORT_SYMBOL(snd_ac97_write); 292 293 /** 294 * snd_ac97_read - read a value from the given register 295 * 296 * @ac97: the ac97 instance 297 * @reg: the register to read 298 * 299 * Reads a value from the given register. This will invoke the read 300 * callback directly after the register check. 301 * 302 * Returns the read value. 303 */ 304 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 305 { 306 if (!snd_ac97_valid_reg(ac97, reg)) 307 return 0; 308 return ac97->bus->ops->read(ac97, reg); 309 } 310 311 /* read a register - return the cached value if already read */ 312 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 313 { 314 if (! test_bit(reg, ac97->reg_accessed)) { 315 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 316 // set_bit(reg, ac97->reg_accessed); 317 } 318 return ac97->regs[reg]; 319 } 320 321 EXPORT_SYMBOL(snd_ac97_read); 322 323 /** 324 * snd_ac97_write_cache - write a value on the given register and update the cache 325 * @ac97: the ac97 instance 326 * @reg: the register to change 327 * @value: the value to set 328 * 329 * Writes a value on the given register and updates the register 330 * cache. The cached values are used for the cached-read and the 331 * suspend/resume. 332 */ 333 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 334 { 335 if (!snd_ac97_valid_reg(ac97, reg)) 336 return; 337 mutex_lock(&ac97->reg_mutex); 338 ac97->regs[reg] = value; 339 ac97->bus->ops->write(ac97, reg, value); 340 set_bit(reg, ac97->reg_accessed); 341 mutex_unlock(&ac97->reg_mutex); 342 } 343 344 EXPORT_SYMBOL(snd_ac97_write_cache); 345 346 /** 347 * snd_ac97_update - update the value on the given register 348 * @ac97: the ac97 instance 349 * @reg: the register to change 350 * @value: the value to set 351 * 352 * Compares the value with the register cache and updates the value 353 * only when the value is changed. 354 * 355 * Returns 1 if the value is changed, 0 if no change, or a negative 356 * code on failure. 357 */ 358 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 359 { 360 int change; 361 362 if (!snd_ac97_valid_reg(ac97, reg)) 363 return -EINVAL; 364 mutex_lock(&ac97->reg_mutex); 365 change = ac97->regs[reg] != value; 366 if (change) { 367 ac97->regs[reg] = value; 368 ac97->bus->ops->write(ac97, reg, value); 369 } 370 set_bit(reg, ac97->reg_accessed); 371 mutex_unlock(&ac97->reg_mutex); 372 return change; 373 } 374 375 EXPORT_SYMBOL(snd_ac97_update); 376 377 /** 378 * snd_ac97_update_bits - update the bits on the given register 379 * @ac97: the ac97 instance 380 * @reg: the register to change 381 * @mask: the bit-mask to change 382 * @value: the value to set 383 * 384 * Updates the masked-bits on the given register only when the value 385 * is changed. 386 * 387 * Returns 1 if the bits are changed, 0 if no change, or a negative 388 * code on failure. 389 */ 390 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 391 { 392 int change; 393 394 if (!snd_ac97_valid_reg(ac97, reg)) 395 return -EINVAL; 396 mutex_lock(&ac97->reg_mutex); 397 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 398 mutex_unlock(&ac97->reg_mutex); 399 return change; 400 } 401 402 EXPORT_SYMBOL(snd_ac97_update_bits); 403 404 /* no lock version - see snd_ac97_update_bits() */ 405 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 406 unsigned short mask, unsigned short value) 407 { 408 int change; 409 unsigned short old, new; 410 411 old = snd_ac97_read_cache(ac97, reg); 412 new = (old & ~mask) | (value & mask); 413 change = old != new; 414 if (change) { 415 ac97->regs[reg] = new; 416 ac97->bus->ops->write(ac97, reg, new); 417 } 418 set_bit(reg, ac97->reg_accessed); 419 return change; 420 } 421 422 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 423 { 424 int change; 425 unsigned short old, new, cfg; 426 427 mutex_lock(&ac97->page_mutex); 428 old = ac97->spec.ad18xx.pcmreg[codec]; 429 new = (old & ~mask) | (value & mask); 430 change = old != new; 431 if (change) { 432 mutex_lock(&ac97->reg_mutex); 433 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 434 ac97->spec.ad18xx.pcmreg[codec] = new; 435 /* select single codec */ 436 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 437 (cfg & ~0x7000) | 438 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 439 /* update PCM bits */ 440 ac97->bus->ops->write(ac97, AC97_PCM, new); 441 /* select all codecs */ 442 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 443 cfg | 0x7000); 444 mutex_unlock(&ac97->reg_mutex); 445 } 446 mutex_unlock(&ac97->page_mutex); 447 return change; 448 } 449 450 /* 451 * Controls 452 */ 453 454 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, 455 struct snd_ctl_elem_info *uinfo) 456 { 457 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 458 459 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 460 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 461 uinfo->value.enumerated.items = e->mask; 462 463 if (uinfo->value.enumerated.item > e->mask - 1) 464 uinfo->value.enumerated.item = e->mask - 1; 465 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 466 return 0; 467 } 468 469 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, 470 struct snd_ctl_elem_value *ucontrol) 471 { 472 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 473 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 474 unsigned short val, bitmask; 475 476 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 477 ; 478 val = snd_ac97_read_cache(ac97, e->reg); 479 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 480 if (e->shift_l != e->shift_r) 481 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 482 483 return 0; 484 } 485 486 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, 487 struct snd_ctl_elem_value *ucontrol) 488 { 489 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 490 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 491 unsigned short val; 492 unsigned short mask, bitmask; 493 494 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 495 ; 496 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 497 return -EINVAL; 498 val = ucontrol->value.enumerated.item[0] << e->shift_l; 499 mask = (bitmask - 1) << e->shift_l; 500 if (e->shift_l != e->shift_r) { 501 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 502 return -EINVAL; 503 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 504 mask |= (bitmask - 1) << e->shift_r; 505 } 506 return snd_ac97_update_bits(ac97, e->reg, mask, val); 507 } 508 509 /* save/restore ac97 v2.3 paging */ 510 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 511 { 512 int page_save = -1; 513 if ((kcontrol->private_value & (1<<25)) && 514 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 515 (reg >= 0x60 && reg < 0x70)) { 516 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 517 mutex_lock(&ac97->page_mutex); /* lock paging */ 518 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 519 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 520 } 521 return page_save; 522 } 523 524 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 525 { 526 if (page_save >= 0) { 527 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 528 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 529 } 530 } 531 532 /* volume and switch controls */ 533 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, 534 struct snd_ctl_elem_info *uinfo) 535 { 536 int mask = (kcontrol->private_value >> 16) & 0xff; 537 int shift = (kcontrol->private_value >> 8) & 0x0f; 538 int rshift = (kcontrol->private_value >> 12) & 0x0f; 539 540 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 541 uinfo->count = shift == rshift ? 1 : 2; 542 uinfo->value.integer.min = 0; 543 uinfo->value.integer.max = mask; 544 return 0; 545 } 546 547 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, 548 struct snd_ctl_elem_value *ucontrol) 549 { 550 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 551 int reg = kcontrol->private_value & 0xff; 552 int shift = (kcontrol->private_value >> 8) & 0x0f; 553 int rshift = (kcontrol->private_value >> 12) & 0x0f; 554 int mask = (kcontrol->private_value >> 16) & 0xff; 555 int invert = (kcontrol->private_value >> 24) & 0x01; 556 int page_save; 557 558 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 559 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 560 if (shift != rshift) 561 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 562 if (invert) { 563 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 564 if (shift != rshift) 565 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 566 } 567 snd_ac97_page_restore(ac97, page_save); 568 return 0; 569 } 570 571 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, 572 struct snd_ctl_elem_value *ucontrol) 573 { 574 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 575 int reg = kcontrol->private_value & 0xff; 576 int shift = (kcontrol->private_value >> 8) & 0x0f; 577 int rshift = (kcontrol->private_value >> 12) & 0x0f; 578 int mask = (kcontrol->private_value >> 16) & 0xff; 579 int invert = (kcontrol->private_value >> 24) & 0x01; 580 int err, page_save; 581 unsigned short val, val2, val_mask; 582 583 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 584 val = (ucontrol->value.integer.value[0] & mask); 585 if (invert) 586 val = mask - val; 587 val_mask = mask << shift; 588 val = val << shift; 589 if (shift != rshift) { 590 val2 = (ucontrol->value.integer.value[1] & mask); 591 if (invert) 592 val2 = mask - val2; 593 val_mask |= mask << rshift; 594 val |= val2 << rshift; 595 } 596 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 597 snd_ac97_page_restore(ac97, page_save); 598 #ifdef CONFIG_SND_AC97_POWER_SAVE 599 /* check analog mixer power-down */ 600 if ((val_mask & AC97_PD_EAPD) && 601 (kcontrol->private_value & (1<<30))) { 602 if (val & AC97_PD_EAPD) 603 ac97->power_up &= ~(1 << (reg>>1)); 604 else 605 ac97->power_up |= 1 << (reg>>1); 606 update_power_regs(ac97); 607 } 608 #endif 609 return err; 610 } 611 612 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 613 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 614 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 615 }; 616 617 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 618 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 619 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 620 }; 621 622 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 623 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1), 624 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1) 625 }; 626 627 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 628 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 629 630 631 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 632 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 633 static const char* std_mix[] = {"Mix", "Mic"}; 634 static const char* std_mic[] = {"Mic1", "Mic2"}; 635 636 static const struct ac97_enum std_enum[] = { 637 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 638 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 639 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 640 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 641 }; 642 643 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 644 AC97_ENUM("Capture Source", std_enum[0]); 645 646 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 647 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 648 649 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 650 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 651 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 652 }; 653 654 enum { 655 AC97_GENERAL_PCM_OUT = 0, 656 AC97_GENERAL_STEREO_ENHANCEMENT, 657 AC97_GENERAL_3D, 658 AC97_GENERAL_LOUDNESS, 659 AC97_GENERAL_MONO, 660 AC97_GENERAL_MIC, 661 AC97_GENERAL_LOOPBACK 662 }; 663 664 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 665 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 666 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 667 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 668 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 669 AC97_ENUM("Mono Output Select", std_enum[2]), 670 AC97_ENUM("Mic Select", std_enum[3]), 671 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 672 }; 673 674 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 675 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 676 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 677 }; 678 679 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 680 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 681 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 682 }; 683 684 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 685 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 686 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 687 }; 688 689 static const struct snd_kcontrol_new snd_ac97_control_eapd = 690 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 691 692 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 693 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 694 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 695 }; 696 697 /* change the existing EAPD control as inverted */ 698 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 699 { 700 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 701 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 702 ac97->scaps |= AC97_SCAP_INV_EAPD; 703 } 704 705 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 706 { 707 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 708 uinfo->count = 1; 709 return 0; 710 } 711 712 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 713 { 714 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 715 IEC958_AES0_NONAUDIO | 716 IEC958_AES0_CON_EMPHASIS_5015 | 717 IEC958_AES0_CON_NOT_COPYRIGHT; 718 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 719 IEC958_AES1_CON_ORIGINAL; 720 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 721 return 0; 722 } 723 724 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 725 { 726 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 727 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 728 IEC958_AES0_NONAUDIO | 729 IEC958_AES0_PRO_FS | 730 IEC958_AES0_PRO_EMPHASIS_5015; 731 return 0; 732 } 733 734 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 735 { 736 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 737 738 mutex_lock(&ac97->reg_mutex); 739 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 740 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 741 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 742 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 743 mutex_unlock(&ac97->reg_mutex); 744 return 0; 745 } 746 747 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 748 { 749 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 750 unsigned int new = 0; 751 unsigned short val = 0; 752 int change; 753 754 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 755 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 756 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 757 switch (new & IEC958_AES0_PRO_FS) { 758 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 759 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 760 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 761 default: val |= 1<<12; break; 762 } 763 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 764 val |= 1<<3; 765 } else { 766 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 767 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 768 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 769 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 770 val |= 1<<3; 771 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 772 val |= 1<<2; 773 val |= ((new >> 8) & 0xff) << 4; // category + original 774 switch ((new >> 24) & 0xff) { 775 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 776 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 777 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 778 default: val |= 1<<12; break; 779 } 780 } 781 782 mutex_lock(&ac97->reg_mutex); 783 change = ac97->spdif_status != new; 784 ac97->spdif_status = new; 785 786 if (ac97->flags & AC97_CS_SPDIF) { 787 int x = (val >> 12) & 0x03; 788 switch (x) { 789 case 0: x = 1; break; // 44.1 790 case 2: x = 0; break; // 48.0 791 default: x = 0; break; // illegal. 792 } 793 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 794 } else if (ac97->flags & AC97_CX_SPDIF) { 795 int v; 796 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 797 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 798 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 799 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 800 v); 801 } else if (ac97->id == AC97_ID_YMF743) { 802 change |= snd_ac97_update_bits_nolock(ac97, 803 AC97_YMF7X3_DIT_CTRL, 804 0xff38, 805 ((val << 4) & 0xff00) | 806 ((val << 2) & 0x0038)); 807 } else { 808 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 809 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 810 811 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 812 if (extst & AC97_EA_SPDIF) { 813 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 814 } 815 } 816 mutex_unlock(&ac97->reg_mutex); 817 818 return change; 819 } 820 821 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 822 { 823 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 824 int reg = kcontrol->private_value & 0xff; 825 int shift = (kcontrol->private_value >> 8) & 0xff; 826 int mask = (kcontrol->private_value >> 16) & 0xff; 827 // int invert = (kcontrol->private_value >> 24) & 0xff; 828 unsigned short value, old, new; 829 int change; 830 831 value = (ucontrol->value.integer.value[0] & mask); 832 833 mutex_lock(&ac97->reg_mutex); 834 mask <<= shift; 835 value <<= shift; 836 old = snd_ac97_read_cache(ac97, reg); 837 new = (old & ~mask) | value; 838 change = old != new; 839 840 if (change) { 841 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 842 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 843 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 844 if (extst & AC97_EA_SPDIF) 845 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 846 } 847 mutex_unlock(&ac97->reg_mutex); 848 return change; 849 } 850 851 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 852 { 853 .access = SNDRV_CTL_ELEM_ACCESS_READ, 854 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 855 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 856 .info = snd_ac97_spdif_mask_info, 857 .get = snd_ac97_spdif_cmask_get, 858 }, 859 { 860 .access = SNDRV_CTL_ELEM_ACCESS_READ, 861 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 862 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 863 .info = snd_ac97_spdif_mask_info, 864 .get = snd_ac97_spdif_pmask_get, 865 }, 866 { 867 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 868 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 869 .info = snd_ac97_spdif_mask_info, 870 .get = snd_ac97_spdif_default_get, 871 .put = snd_ac97_spdif_default_put, 872 }, 873 874 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 875 { 876 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 877 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 878 .info = snd_ac97_info_volsw, 879 .get = snd_ac97_get_volsw, 880 .put = snd_ac97_put_spsa, 881 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 882 }, 883 }; 884 885 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 886 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 887 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 888 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 889 890 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 891 { 892 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 893 int mask = (kcontrol->private_value >> 16) & 0x0f; 894 int lshift = (kcontrol->private_value >> 8) & 0x0f; 895 int rshift = (kcontrol->private_value >> 12) & 0x0f; 896 897 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 899 uinfo->count = 2; 900 else 901 uinfo->count = 1; 902 uinfo->value.integer.min = 0; 903 uinfo->value.integer.max = mask; 904 return 0; 905 } 906 907 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 908 { 909 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 910 int codec = kcontrol->private_value & 3; 911 int lshift = (kcontrol->private_value >> 8) & 0x0f; 912 int rshift = (kcontrol->private_value >> 12) & 0x0f; 913 int mask = (kcontrol->private_value >> 16) & 0xff; 914 915 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 916 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 917 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 918 return 0; 919 } 920 921 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 922 { 923 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 924 int codec = kcontrol->private_value & 3; 925 int lshift = (kcontrol->private_value >> 8) & 0x0f; 926 int rshift = (kcontrol->private_value >> 12) & 0x0f; 927 int mask = (kcontrol->private_value >> 16) & 0xff; 928 unsigned short val, valmask; 929 930 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 931 valmask = mask << lshift; 932 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 933 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 934 valmask |= mask << rshift; 935 } 936 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 937 } 938 939 #define AD18XX_PCM_VOLUME(xname, codec) \ 940 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 941 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 942 .private_value = codec } 943 944 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 945 { 946 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 947 uinfo->count = 2; 948 uinfo->value.integer.min = 0; 949 uinfo->value.integer.max = 31; 950 return 0; 951 } 952 953 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 954 { 955 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 956 int codec = kcontrol->private_value & 3; 957 958 mutex_lock(&ac97->page_mutex); 959 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 960 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 961 mutex_unlock(&ac97->page_mutex); 962 return 0; 963 } 964 965 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 966 { 967 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 968 int codec = kcontrol->private_value & 3; 969 unsigned short val1, val2; 970 971 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 972 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 973 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 974 } 975 976 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 977 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 978 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 979 }; 980 981 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 982 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 983 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 984 }; 985 986 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 987 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 988 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 989 }; 990 991 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 992 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 993 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 994 }; 995 996 /* 997 * 998 */ 999 1000 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 1001 1002 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 1003 { 1004 if (bus) { 1005 snd_ac97_bus_proc_done(bus); 1006 kfree(bus->pcms); 1007 if (bus->private_free) 1008 bus->private_free(bus); 1009 kfree(bus); 1010 } 1011 return 0; 1012 } 1013 1014 static int snd_ac97_bus_dev_free(struct snd_device *device) 1015 { 1016 struct snd_ac97_bus *bus = device->device_data; 1017 return snd_ac97_bus_free(bus); 1018 } 1019 1020 static int snd_ac97_free(struct snd_ac97 *ac97) 1021 { 1022 if (ac97) { 1023 #ifdef CONFIG_SND_AC97_POWER_SAVE 1024 cancel_delayed_work_sync(&ac97->power_work); 1025 #endif 1026 snd_ac97_proc_done(ac97); 1027 if (ac97->bus) 1028 ac97->bus->codec[ac97->num] = NULL; 1029 if (ac97->private_free) 1030 ac97->private_free(ac97); 1031 kfree(ac97); 1032 } 1033 return 0; 1034 } 1035 1036 static int snd_ac97_dev_free(struct snd_device *device) 1037 { 1038 struct snd_ac97 *ac97 = device->device_data; 1039 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1040 return snd_ac97_free(ac97); 1041 } 1042 1043 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1044 { 1045 unsigned short val, mask = AC97_MUTE_MASK_MONO; 1046 1047 if (! snd_ac97_valid_reg(ac97, reg)) 1048 return 0; 1049 1050 switch (reg) { 1051 case AC97_MASTER_TONE: 1052 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0; 1053 case AC97_HEADPHONE: 1054 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0; 1055 case AC97_REC_GAIN_MIC: 1056 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0; 1057 case AC97_3D_CONTROL: 1058 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) { 1059 val = snd_ac97_read(ac97, reg); 1060 /* if nonzero - fixed and we can't set it */ 1061 return val == 0; 1062 } 1063 return 0; 1064 case AC97_CENTER_LFE_MASTER: /* center */ 1065 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1066 return 0; 1067 break; 1068 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1069 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1070 return 0; 1071 reg = AC97_CENTER_LFE_MASTER; 1072 mask = 0x0080; 1073 break; 1074 case AC97_SURROUND_MASTER: 1075 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1076 return 0; 1077 break; 1078 } 1079 1080 val = snd_ac97_read(ac97, reg); 1081 if (!(val & mask)) { 1082 /* nothing seems to be here - mute flag is not set */ 1083 /* try another test */ 1084 snd_ac97_write_cache(ac97, reg, val | mask); 1085 val = snd_ac97_read(ac97, reg); 1086 val = snd_ac97_read(ac97, reg); 1087 if (!(val & mask)) 1088 return 0; /* nothing here */ 1089 } 1090 return 1; /* success, useable */ 1091 } 1092 1093 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1094 { 1095 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1096 unsigned char max[3] = { 63, 31, 15 }; 1097 int i; 1098 1099 /* first look up the static resolution table */ 1100 if (ac97->res_table) { 1101 const struct snd_ac97_res_table *tbl; 1102 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1103 if (tbl->reg == reg) { 1104 *lo_max = tbl->bits & 0xff; 1105 *hi_max = (tbl->bits >> 8) & 0xff; 1106 return; 1107 } 1108 } 1109 } 1110 1111 *lo_max = *hi_max = 0; 1112 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1113 unsigned short val; 1114 snd_ac97_write( 1115 ac97, reg, 1116 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8) 1117 ); 1118 /* Do the read twice due to buffers on some ac97 codecs. 1119 * e.g. The STAC9704 returns exactly what you wrote to the register 1120 * if you read it immediately. This causes the detect routine to fail. 1121 */ 1122 val = snd_ac97_read(ac97, reg); 1123 val = snd_ac97_read(ac97, reg); 1124 if (! *lo_max && (val & 0x7f) == cbit[i]) 1125 *lo_max = max[i]; 1126 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1127 *hi_max = max[i]; 1128 if (*lo_max && *hi_max) 1129 break; 1130 } 1131 } 1132 1133 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1134 { 1135 unsigned short mask, val, orig, res; 1136 1137 mask = 1 << bit; 1138 orig = snd_ac97_read(ac97, reg); 1139 val = orig ^ mask; 1140 snd_ac97_write(ac97, reg, val); 1141 res = snd_ac97_read(ac97, reg); 1142 snd_ac97_write_cache(ac97, reg, orig); 1143 return res == val; 1144 } 1145 1146 /* check the volume resolution of center/lfe */ 1147 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1148 { 1149 unsigned short val, val1; 1150 1151 *max = 63; 1152 val = AC97_MUTE_MASK_STEREO | (0x20 << shift); 1153 snd_ac97_write(ac97, reg, val); 1154 val1 = snd_ac97_read(ac97, reg); 1155 if (val != val1) { 1156 *max = 31; 1157 } 1158 /* reset volume to zero */ 1159 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO); 1160 } 1161 1162 static inline int printable(unsigned int x) 1163 { 1164 x &= 0xff; 1165 if (x < ' ' || x >= 0x71) { 1166 if (x <= 0x89) 1167 return x - 0x71 + 'A'; 1168 return '?'; 1169 } 1170 return x; 1171 } 1172 1173 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, 1174 struct snd_ac97 * ac97) 1175 { 1176 struct snd_kcontrol_new template; 1177 memcpy(&template, _template, sizeof(template)); 1178 template.index = ac97->num; 1179 return snd_ctl_new1(&template, ac97); 1180 } 1181 1182 /* 1183 * create mute switch(es) for normal stereo controls 1184 */ 1185 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1186 int check_stereo, int check_amix, 1187 struct snd_ac97 *ac97) 1188 { 1189 struct snd_kcontrol *kctl; 1190 int err; 1191 unsigned short val, val1, mute_mask; 1192 1193 if (! snd_ac97_valid_reg(ac97, reg)) 1194 return 0; 1195 1196 mute_mask = AC97_MUTE_MASK_MONO; 1197 val = snd_ac97_read(ac97, reg); 1198 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1199 /* check whether both mute bits work */ 1200 val1 = val | AC97_MUTE_MASK_STEREO; 1201 snd_ac97_write(ac97, reg, val1); 1202 if (val1 == snd_ac97_read(ac97, reg)) 1203 mute_mask = AC97_MUTE_MASK_STEREO; 1204 } 1205 if (mute_mask == AC97_MUTE_MASK_STEREO) { 1206 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1207 if (check_amix) 1208 tmp.private_value |= (1 << 30); 1209 tmp.index = ac97->num; 1210 kctl = snd_ctl_new1(&tmp, ac97); 1211 } else { 1212 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1213 if (check_amix) 1214 tmp.private_value |= (1 << 30); 1215 tmp.index = ac97->num; 1216 kctl = snd_ctl_new1(&tmp, ac97); 1217 } 1218 err = snd_ctl_add(card, kctl); 1219 if (err < 0) 1220 return err; 1221 /* mute as default */ 1222 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1223 return 0; 1224 } 1225 1226 /* 1227 * set dB information 1228 */ 1229 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1230 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1231 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1232 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1233 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1234 1235 static const unsigned int *find_db_scale(unsigned int maxval) 1236 { 1237 switch (maxval) { 1238 case 0x0f: return db_scale_4bit; 1239 case 0x1f: return db_scale_5bit; 1240 case 0x3f: return db_scale_6bit; 1241 } 1242 return NULL; 1243 } 1244 1245 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1246 { 1247 kctl->tlv.p = tlv; 1248 if (tlv) 1249 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1250 } 1251 1252 /* 1253 * create a volume for normal stereo/mono controls 1254 */ 1255 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1256 unsigned int hi_max, struct snd_ac97 *ac97) 1257 { 1258 int err; 1259 struct snd_kcontrol *kctl; 1260 1261 if (! snd_ac97_valid_reg(ac97, reg)) 1262 return 0; 1263 if (hi_max) { 1264 /* invert */ 1265 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1266 tmp.index = ac97->num; 1267 kctl = snd_ctl_new1(&tmp, ac97); 1268 } else { 1269 /* invert */ 1270 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1271 tmp.index = ac97->num; 1272 kctl = snd_ctl_new1(&tmp, ac97); 1273 } 1274 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1275 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1276 else 1277 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1278 err = snd_ctl_add(card, kctl); 1279 if (err < 0) 1280 return err; 1281 snd_ac97_write_cache( 1282 ac97, reg, 1283 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO) 1284 | lo_max | (hi_max << 8) 1285 ); 1286 return 0; 1287 } 1288 1289 /* 1290 * create a mute-switch and a volume for normal stereo/mono controls 1291 */ 1292 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1293 int reg, int check_stereo, int check_amix, 1294 struct snd_ac97 *ac97) 1295 { 1296 int err; 1297 char name[44]; 1298 unsigned char lo_max, hi_max; 1299 1300 if (! snd_ac97_valid_reg(ac97, reg)) 1301 return 0; 1302 1303 if (snd_ac97_try_bit(ac97, reg, 15)) { 1304 sprintf(name, "%s Switch", pfx); 1305 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, 1306 check_stereo, check_amix, 1307 ac97)) < 0) 1308 return err; 1309 } 1310 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1311 if (lo_max) { 1312 sprintf(name, "%s Volume", pfx); 1313 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1314 return err; 1315 } 1316 return 0; 1317 } 1318 1319 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1320 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1321 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1322 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1323 1324 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1325 1326 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1327 { 1328 struct snd_card *card = ac97->bus->card; 1329 struct snd_kcontrol *kctl; 1330 int err; 1331 unsigned int idx; 1332 unsigned char max; 1333 1334 /* build master controls */ 1335 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1336 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1337 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1338 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1339 AC97_MASTER, 0, ac97); 1340 else 1341 err = snd_ac97_cmix_new(card, "Master Playback", 1342 AC97_MASTER, 0, ac97); 1343 if (err < 0) 1344 return err; 1345 } 1346 1347 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO; 1348 1349 /* build center controls */ 1350 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1351 && !(ac97->flags & AC97_AD_MULTI)) { 1352 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1353 return err; 1354 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1355 return err; 1356 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1357 kctl->private_value &= ~(0xff << 16); 1358 kctl->private_value |= (int)max << 16; 1359 set_tlv_db_scale(kctl, find_db_scale(max)); 1360 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1361 } 1362 1363 /* build LFE controls */ 1364 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1365 && !(ac97->flags & AC97_AD_MULTI)) { 1366 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1367 return err; 1368 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1369 return err; 1370 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1371 kctl->private_value &= ~(0xff << 16); 1372 kctl->private_value |= (int)max << 16; 1373 set_tlv_db_scale(kctl, find_db_scale(max)); 1374 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1375 } 1376 1377 /* build surround controls */ 1378 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1379 && !(ac97->flags & AC97_AD_MULTI)) { 1380 /* Surround Master (0x38) is with stereo mutes */ 1381 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1382 AC97_SURROUND_MASTER, 1, 0, 1383 ac97)) < 0) 1384 return err; 1385 } 1386 1387 /* build headphone controls */ 1388 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1389 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", 1390 AC97_HEADPHONE, 0, ac97)) < 0) 1391 return err; 1392 } 1393 1394 /* build master mono controls */ 1395 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1396 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", 1397 AC97_MASTER_MONO, 0, ac97)) < 0) 1398 return err; 1399 } 1400 1401 /* build master tone controls */ 1402 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1403 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1404 for (idx = 0; idx < 2; idx++) { 1405 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1406 return err; 1407 if (ac97->id == AC97_ID_YMF743 || 1408 ac97->id == AC97_ID_YMF753) { 1409 kctl->private_value &= ~(0xff << 16); 1410 kctl->private_value |= 7 << 16; 1411 } 1412 } 1413 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1414 } 1415 } 1416 1417 /* build Beep controls */ 1418 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1419 ((ac97->flags & AC97_HAS_PC_BEEP) || 1420 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1421 for (idx = 0; idx < 2; idx++) 1422 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1423 return err; 1424 set_tlv_db_scale(kctl, db_scale_4bit); 1425 snd_ac97_write_cache( 1426 ac97, 1427 AC97_PC_BEEP, 1428 (snd_ac97_read(ac97, AC97_PC_BEEP) 1429 | AC97_MUTE_MASK_MONO | 0x001e) 1430 ); 1431 } 1432 1433 /* build Phone controls */ 1434 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1435 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1436 if ((err = snd_ac97_cmix_new(card, "Phone Playback", 1437 AC97_PHONE, 1, ac97)) < 0) 1438 return err; 1439 } 1440 } 1441 1442 /* build MIC controls */ 1443 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1444 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1445 if ((err = snd_ac97_cmix_new(card, "Mic Playback", 1446 AC97_MIC, 1, ac97)) < 0) 1447 return err; 1448 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1449 return err; 1450 } 1451 } 1452 1453 /* build Line controls */ 1454 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1455 if ((err = snd_ac97_cmix_new(card, "Line Playback", 1456 AC97_LINE, 1, ac97)) < 0) 1457 return err; 1458 } 1459 1460 /* build CD controls */ 1461 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1462 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1463 if ((err = snd_ac97_cmix_new(card, "CD Playback", 1464 AC97_CD, 1, ac97)) < 0) 1465 return err; 1466 } 1467 } 1468 1469 /* build Video controls */ 1470 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1471 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1472 if ((err = snd_ac97_cmix_new(card, "Video Playback", 1473 AC97_VIDEO, 1, ac97)) < 0) 1474 return err; 1475 } 1476 } 1477 1478 /* build Aux controls */ 1479 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1480 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1481 if ((err = snd_ac97_cmix_new(card, "Aux Playback", 1482 AC97_AUX, 1, ac97)) < 0) 1483 return err; 1484 } 1485 } 1486 1487 /* build PCM controls */ 1488 if (ac97->flags & AC97_AD_MULTI) { 1489 unsigned short init_val; 1490 if (ac97->flags & AC97_STEREO_MUTES) 1491 init_val = 0x9f9f; 1492 else 1493 init_val = 0x9f1f; 1494 for (idx = 0; idx < 2; idx++) 1495 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1496 return err; 1497 set_tlv_db_scale(kctl, db_scale_5bit); 1498 ac97->spec.ad18xx.pcmreg[0] = init_val; 1499 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1500 for (idx = 0; idx < 2; idx++) 1501 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1502 return err; 1503 set_tlv_db_scale(kctl, db_scale_5bit); 1504 ac97->spec.ad18xx.pcmreg[1] = init_val; 1505 } 1506 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1507 for (idx = 0; idx < 2; idx++) 1508 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1509 return err; 1510 set_tlv_db_scale(kctl, db_scale_5bit); 1511 for (idx = 0; idx < 2; idx++) 1512 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1513 return err; 1514 set_tlv_db_scale(kctl, db_scale_5bit); 1515 ac97->spec.ad18xx.pcmreg[2] = init_val; 1516 } 1517 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1518 } else { 1519 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1520 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1521 err = snd_ac97_cmute_new(card, 1522 "PCM Playback Switch", 1523 AC97_PCM, 0, ac97); 1524 else 1525 err = snd_ac97_cmix_new(card, "PCM Playback", 1526 AC97_PCM, 0, ac97); 1527 if (err < 0) 1528 return err; 1529 } 1530 } 1531 1532 /* build Capture controls */ 1533 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1534 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1535 return err; 1536 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1537 err = snd_ac97_cmute_new(card, "Capture Switch", 1538 AC97_REC_GAIN, 0, ac97); 1539 if (err < 0) 1540 return err; 1541 } 1542 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1543 return err; 1544 set_tlv_db_scale(kctl, db_scale_rec_gain); 1545 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1546 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1547 } 1548 /* build MIC Capture controls */ 1549 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1550 for (idx = 0; idx < 2; idx++) 1551 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1552 return err; 1553 set_tlv_db_scale(kctl, db_scale_rec_gain); 1554 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1555 } 1556 1557 /* build PCM out path & mute control */ 1558 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1559 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1560 return err; 1561 } 1562 1563 /* build Simulated Stereo Enhancement control */ 1564 if (ac97->caps & AC97_BC_SIM_STEREO) { 1565 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1566 return err; 1567 } 1568 1569 /* build 3D Stereo Enhancement control */ 1570 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1571 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1572 return err; 1573 } 1574 1575 /* build Loudness control */ 1576 if (ac97->caps & AC97_BC_LOUDNESS) { 1577 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1578 return err; 1579 } 1580 1581 /* build Mono output select control */ 1582 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1583 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1584 return err; 1585 } 1586 1587 /* build Mic select control */ 1588 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1589 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1590 return err; 1591 } 1592 1593 /* build ADC/DAC loopback control */ 1594 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1595 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1596 return err; 1597 } 1598 1599 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1600 1601 /* build 3D controls */ 1602 if (ac97->build_ops->build_3d) { 1603 ac97->build_ops->build_3d(ac97); 1604 } else { 1605 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1606 unsigned short val; 1607 val = 0x0707; 1608 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1609 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1610 val = val == 0x0606; 1611 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1612 return err; 1613 if (val) 1614 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1615 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1616 return err; 1617 if (val) 1618 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1619 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1620 } 1621 } 1622 1623 /* build S/PDIF controls */ 1624 1625 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1626 if (ac97->subsystem_vendor == 0x1043 && 1627 ac97->subsystem_device == 0x810f) 1628 ac97->ext_id |= AC97_EI_SPDIF; 1629 1630 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1631 if (ac97->build_ops->build_spdif) { 1632 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1633 return err; 1634 } else { 1635 for (idx = 0; idx < 5; idx++) 1636 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1637 return err; 1638 if (ac97->build_ops->build_post_spdif) { 1639 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1640 return err; 1641 } 1642 /* set default PCM S/PDIF params */ 1643 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1644 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1645 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1646 } 1647 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1648 } 1649 1650 /* build chip specific controls */ 1651 if (ac97->build_ops->build_specific) 1652 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1653 return err; 1654 1655 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1656 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1657 if (! kctl) 1658 return -ENOMEM; 1659 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1660 set_inv_eapd(ac97, kctl); 1661 if ((err = snd_ctl_add(card, kctl)) < 0) 1662 return err; 1663 } 1664 1665 return 0; 1666 } 1667 1668 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1669 { 1670 int err, idx; 1671 1672 /* 1673 printk(KERN_DEBUG "AC97_GPIO_CFG = %x\n", 1674 snd_ac97_read(ac97,AC97_GPIO_CFG)); 1675 */ 1676 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1677 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1678 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1679 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1680 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1681 1682 /* build modem switches */ 1683 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1684 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1685 return err; 1686 1687 /* build chip specific controls */ 1688 if (ac97->build_ops->build_specific) 1689 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1690 return err; 1691 1692 return 0; 1693 } 1694 1695 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1696 { 1697 unsigned short val; 1698 unsigned int tmp; 1699 1700 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1701 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1702 if (shadow_reg) 1703 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1704 val = snd_ac97_read(ac97, reg); 1705 return val == (tmp & 0xffff); 1706 } 1707 1708 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1709 { 1710 unsigned int result = 0; 1711 unsigned short saved; 1712 1713 if (ac97->bus->no_vra) { 1714 *r_result = SNDRV_PCM_RATE_48000; 1715 if ((ac97->flags & AC97_DOUBLE_RATE) && 1716 reg == AC97_PCM_FRONT_DAC_RATE) 1717 *r_result |= SNDRV_PCM_RATE_96000; 1718 return; 1719 } 1720 1721 saved = snd_ac97_read(ac97, reg); 1722 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1723 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1724 AC97_EA_DRA, 0); 1725 /* test a non-standard rate */ 1726 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1727 result |= SNDRV_PCM_RATE_CONTINUOUS; 1728 /* let's try to obtain standard rates */ 1729 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1730 result |= SNDRV_PCM_RATE_8000; 1731 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1732 result |= SNDRV_PCM_RATE_11025; 1733 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1734 result |= SNDRV_PCM_RATE_16000; 1735 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1736 result |= SNDRV_PCM_RATE_22050; 1737 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1738 result |= SNDRV_PCM_RATE_32000; 1739 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1740 result |= SNDRV_PCM_RATE_44100; 1741 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1742 result |= SNDRV_PCM_RATE_48000; 1743 if ((ac97->flags & AC97_DOUBLE_RATE) && 1744 reg == AC97_PCM_FRONT_DAC_RATE) { 1745 /* test standard double rates */ 1746 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1747 AC97_EA_DRA, AC97_EA_DRA); 1748 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1749 result |= SNDRV_PCM_RATE_64000; 1750 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1751 result |= SNDRV_PCM_RATE_88200; 1752 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1753 result |= SNDRV_PCM_RATE_96000; 1754 /* some codecs don't support variable double rates */ 1755 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1756 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1757 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1758 AC97_EA_DRA, 0); 1759 } 1760 /* restore the default value */ 1761 snd_ac97_write_cache(ac97, reg, saved); 1762 if (shadow_reg) 1763 snd_ac97_write_cache(ac97, shadow_reg, saved); 1764 *r_result = result; 1765 } 1766 1767 /* check AC97_SPDIF register to accept which sample rates */ 1768 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1769 { 1770 unsigned int result = 0; 1771 int i; 1772 static unsigned short ctl_bits[] = { 1773 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1774 }; 1775 static unsigned int rate_bits[] = { 1776 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1777 }; 1778 1779 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1780 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1781 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1782 result |= rate_bits[i]; 1783 } 1784 return result; 1785 } 1786 1787 /* look for the codec id table matching with the given id */ 1788 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1789 unsigned int id) 1790 { 1791 const struct ac97_codec_id *pid; 1792 1793 for (pid = table; pid->id; pid++) 1794 if (pid->id == (id & pid->mask)) 1795 return pid; 1796 return NULL; 1797 } 1798 1799 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1800 { 1801 const struct ac97_codec_id *pid; 1802 1803 sprintf(name, "0x%x %c%c%c", id, 1804 printable(id >> 24), 1805 printable(id >> 16), 1806 printable(id >> 8)); 1807 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1808 if (! pid) 1809 return; 1810 1811 strcpy(name, pid->name); 1812 if (ac97 && pid->patch) { 1813 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1814 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1815 pid->patch(ac97); 1816 } 1817 1818 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1819 if (pid) { 1820 strcat(name, " "); 1821 strcat(name, pid->name); 1822 if (pid->mask != 0xffffffff) 1823 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1824 if (ac97 && pid->patch) { 1825 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1826 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1827 pid->patch(ac97); 1828 } 1829 } else 1830 sprintf(name + strlen(name), " id %x", id & 0xff); 1831 } 1832 1833 /** 1834 * snd_ac97_get_short_name - retrieve codec name 1835 * @ac97: the codec instance 1836 * 1837 * Returns the short identifying name of the codec. 1838 */ 1839 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1840 { 1841 const struct ac97_codec_id *pid; 1842 1843 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1844 if (pid->id == (ac97->id & pid->mask)) 1845 return pid->name; 1846 return "unknown codec"; 1847 } 1848 1849 EXPORT_SYMBOL(snd_ac97_get_short_name); 1850 1851 /* wait for a while until registers are accessible after RESET 1852 * return 0 if ok, negative not ready 1853 */ 1854 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1855 { 1856 unsigned long end_time; 1857 unsigned short val; 1858 1859 end_time = jiffies + timeout; 1860 do { 1861 1862 /* use preliminary reads to settle the communication */ 1863 snd_ac97_read(ac97, AC97_RESET); 1864 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1865 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1866 /* modem? */ 1867 if (with_modem) { 1868 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1869 if (val != 0xffff && (val & 1) != 0) 1870 return 0; 1871 } 1872 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1873 /* probably only Xbox issue - all registers are read as zero */ 1874 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1875 if (val != 0 && val != 0xffff) 1876 return 0; 1877 } else { 1878 /* because the PCM or MASTER volume registers can be modified, 1879 * the REC_GAIN register is used for tests 1880 */ 1881 /* test if we can write to the record gain volume register */ 1882 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1883 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1884 return 0; 1885 } 1886 schedule_timeout_uninterruptible(1); 1887 } while (time_after_eq(end_time, jiffies)); 1888 return -ENODEV; 1889 } 1890 1891 /** 1892 * snd_ac97_bus - create an AC97 bus component 1893 * @card: the card instance 1894 * @num: the bus number 1895 * @ops: the bus callbacks table 1896 * @private_data: private data pointer for the new instance 1897 * @rbus: the pointer to store the new AC97 bus instance. 1898 * 1899 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1900 * allocated and initialized. 1901 * 1902 * The ops table must include valid callbacks (at least read and 1903 * write). The other callbacks, wait and reset, are not mandatory. 1904 * 1905 * The clock is set to 48000. If another clock is needed, set 1906 * (*rbus)->clock manually. 1907 * 1908 * The AC97 bus instance is registered as a low-level device, so you don't 1909 * have to release it manually. 1910 * 1911 * Returns zero if successful, or a negative error code on failure. 1912 */ 1913 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1914 void *private_data, struct snd_ac97_bus **rbus) 1915 { 1916 int err; 1917 struct snd_ac97_bus *bus; 1918 static struct snd_device_ops dev_ops = { 1919 .dev_free = snd_ac97_bus_dev_free, 1920 }; 1921 1922 if (snd_BUG_ON(!card)) 1923 return -EINVAL; 1924 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1925 if (bus == NULL) 1926 return -ENOMEM; 1927 bus->card = card; 1928 bus->num = num; 1929 bus->ops = ops; 1930 bus->private_data = private_data; 1931 bus->clock = 48000; 1932 spin_lock_init(&bus->bus_lock); 1933 snd_ac97_bus_proc_init(bus); 1934 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1935 snd_ac97_bus_free(bus); 1936 return err; 1937 } 1938 if (rbus) 1939 *rbus = bus; 1940 return 0; 1941 } 1942 1943 EXPORT_SYMBOL(snd_ac97_bus); 1944 1945 /* stop no dev release warning */ 1946 static void ac97_device_release(struct device * dev) 1947 { 1948 } 1949 1950 /* register ac97 codec to bus */ 1951 static int snd_ac97_dev_register(struct snd_device *device) 1952 { 1953 struct snd_ac97 *ac97 = device->device_data; 1954 int err; 1955 1956 ac97->dev.bus = &ac97_bus_type; 1957 ac97->dev.parent = ac97->bus->card->dev; 1958 ac97->dev.release = ac97_device_release; 1959 dev_set_name(&ac97->dev, "%d-%d:%s", 1960 ac97->bus->card->number, ac97->num, 1961 snd_ac97_get_short_name(ac97)); 1962 if ((err = device_register(&ac97->dev)) < 0) { 1963 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1964 ac97->dev.bus = NULL; 1965 return err; 1966 } 1967 return 0; 1968 } 1969 1970 /* disconnect ac97 codec */ 1971 static int snd_ac97_dev_disconnect(struct snd_device *device) 1972 { 1973 struct snd_ac97 *ac97 = device->device_data; 1974 if (ac97->dev.bus) 1975 device_unregister(&ac97->dev); 1976 return 0; 1977 } 1978 1979 /* build_ops to do nothing */ 1980 static const struct snd_ac97_build_ops null_build_ops; 1981 1982 #ifdef CONFIG_SND_AC97_POWER_SAVE 1983 static void do_update_power(struct work_struct *work) 1984 { 1985 update_power_regs( 1986 container_of(work, struct snd_ac97, power_work.work)); 1987 } 1988 #endif 1989 1990 /** 1991 * snd_ac97_mixer - create an Codec97 component 1992 * @bus: the AC97 bus which codec is attached to 1993 * @template: the template of ac97, including index, callbacks and 1994 * the private data. 1995 * @rac97: the pointer to store the new ac97 instance. 1996 * 1997 * Creates an Codec97 component. An struct snd_ac97 instance is newly 1998 * allocated and initialized from the template. The codec 1999 * is then initialized by the standard procedure. 2000 * 2001 * The template must include the codec number (num) and address (addr), 2002 * and the private data (private_data). 2003 * 2004 * The ac97 instance is registered as a low-level device, so you don't 2005 * have to release it manually. 2006 * 2007 * Returns zero if successful, or a negative error code on failure. 2008 */ 2009 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 2010 { 2011 int err; 2012 struct snd_ac97 *ac97; 2013 struct snd_card *card; 2014 char name[64]; 2015 unsigned long end_time; 2016 unsigned int reg; 2017 const struct ac97_codec_id *pid; 2018 static struct snd_device_ops ops = { 2019 .dev_free = snd_ac97_dev_free, 2020 .dev_register = snd_ac97_dev_register, 2021 .dev_disconnect = snd_ac97_dev_disconnect, 2022 }; 2023 2024 if (rac97) 2025 *rac97 = NULL; 2026 if (snd_BUG_ON(!bus || !template)) 2027 return -EINVAL; 2028 if (snd_BUG_ON(template->num >= 4)) 2029 return -EINVAL; 2030 if (bus->codec[template->num]) 2031 return -EBUSY; 2032 2033 card = bus->card; 2034 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 2035 if (ac97 == NULL) 2036 return -ENOMEM; 2037 ac97->private_data = template->private_data; 2038 ac97->private_free = template->private_free; 2039 ac97->bus = bus; 2040 ac97->pci = template->pci; 2041 ac97->num = template->num; 2042 ac97->addr = template->addr; 2043 ac97->scaps = template->scaps; 2044 ac97->res_table = template->res_table; 2045 bus->codec[ac97->num] = ac97; 2046 mutex_init(&ac97->reg_mutex); 2047 mutex_init(&ac97->page_mutex); 2048 #ifdef CONFIG_SND_AC97_POWER_SAVE 2049 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2050 #endif 2051 2052 #ifdef CONFIG_PCI 2053 if (ac97->pci) { 2054 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2055 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2056 } 2057 #endif 2058 if (bus->ops->reset) { 2059 bus->ops->reset(ac97); 2060 goto __access_ok; 2061 } 2062 2063 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2064 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2065 if (ac97->id && ac97->id != (unsigned int)-1) { 2066 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2067 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2068 goto __access_ok; 2069 } 2070 2071 /* reset to defaults */ 2072 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2073 snd_ac97_write(ac97, AC97_RESET, 0); 2074 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2075 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2076 if (bus->ops->wait) 2077 bus->ops->wait(ac97); 2078 else { 2079 udelay(50); 2080 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2081 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2082 else { 2083 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2084 if (err < 0) 2085 err = ac97_reset_wait(ac97, 2086 msecs_to_jiffies(500), 1); 2087 } 2088 if (err < 0) { 2089 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 2090 /* proceed anyway - it's often non-critical */ 2091 } 2092 } 2093 __access_ok: 2094 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2095 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2096 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2097 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2098 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 2099 snd_ac97_free(ac97); 2100 return -EIO; 2101 } 2102 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2103 if (pid) 2104 ac97->flags |= pid->flags; 2105 2106 /* test for AC'97 */ 2107 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2108 /* test if we can write to the record gain volume register */ 2109 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2110 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 2111 ac97->scaps |= AC97_SCAP_AUDIO; 2112 } 2113 if (ac97->scaps & AC97_SCAP_AUDIO) { 2114 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2115 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2116 if (ac97->ext_id == 0xffff) /* invalid combination */ 2117 ac97->ext_id = 0; 2118 } 2119 2120 /* test for MC'97 */ 2121 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2122 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2123 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2124 ac97->ext_mid = 0; 2125 if (ac97->ext_mid & 1) 2126 ac97->scaps |= AC97_SCAP_MODEM; 2127 } 2128 2129 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2130 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2131 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 2132 snd_ac97_free(ac97); 2133 return -EACCES; 2134 } 2135 2136 if (bus->ops->reset) // FIXME: always skipping? 2137 goto __ready_ok; 2138 2139 /* FIXME: add powerdown control */ 2140 if (ac97_is_audio(ac97)) { 2141 /* nothing should be in powerdown mode */ 2142 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2143 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2144 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2145 udelay(100); 2146 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2147 } 2148 /* nothing should be in powerdown mode */ 2149 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2150 end_time = jiffies + msecs_to_jiffies(5000); 2151 do { 2152 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2153 goto __ready_ok; 2154 schedule_timeout_uninterruptible(1); 2155 } while (time_after_eq(end_time, jiffies)); 2156 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 2157 } 2158 2159 /* FIXME: add powerdown control */ 2160 if (ac97_is_modem(ac97)) { 2161 unsigned char tmp; 2162 2163 /* nothing should be in powerdown mode */ 2164 /* note: it's important to set the rate at first */ 2165 tmp = AC97_MEA_GPIO; 2166 if (ac97->ext_mid & AC97_MEI_LINE1) { 2167 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2168 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2169 } 2170 if (ac97->ext_mid & AC97_MEI_LINE2) { 2171 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2172 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2173 } 2174 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2175 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2176 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2177 } 2178 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2179 udelay(100); 2180 /* nothing should be in powerdown mode */ 2181 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2182 end_time = jiffies + msecs_to_jiffies(100); 2183 do { 2184 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2185 goto __ready_ok; 2186 schedule_timeout_uninterruptible(1); 2187 } while (time_after_eq(end_time, jiffies)); 2188 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2189 } 2190 2191 __ready_ok: 2192 if (ac97_is_audio(ac97)) 2193 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2194 else 2195 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2196 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2197 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2198 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2199 if (! bus->no_vra) 2200 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2201 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2202 } 2203 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2204 /* Intel controllers require double rate data to be put in 2205 * slots 7+8, so let's hope the codec supports it. */ 2206 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2207 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2208 ac97->flags |= AC97_DOUBLE_RATE; 2209 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2210 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2211 } 2212 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2213 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2214 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2215 } else { 2216 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2217 if (ac97->flags & AC97_DOUBLE_RATE) 2218 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2219 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2220 } 2221 if (ac97->ext_id & AC97_EI_SPDIF) { 2222 /* codec specific code (patch) should override these values */ 2223 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2224 } 2225 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2226 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2227 } else { 2228 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2229 } 2230 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2231 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2232 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2233 } 2234 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2235 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2236 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2237 } 2238 /* additional initializations */ 2239 if (bus->ops->init) 2240 bus->ops->init(ac97); 2241 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2242 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2243 if (! ac97->build_ops) 2244 ac97->build_ops = &null_build_ops; 2245 2246 if (ac97_is_audio(ac97)) { 2247 char comp[16]; 2248 if (card->mixername[0] == '\0') { 2249 strcpy(card->mixername, name); 2250 } else { 2251 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2252 strcat(card->mixername, ","); 2253 strcat(card->mixername, name); 2254 } 2255 } 2256 sprintf(comp, "AC97a:%08x", ac97->id); 2257 if ((err = snd_component_add(card, comp)) < 0) { 2258 snd_ac97_free(ac97); 2259 return err; 2260 } 2261 if (snd_ac97_mixer_build(ac97) < 0) { 2262 snd_ac97_free(ac97); 2263 return -ENOMEM; 2264 } 2265 } 2266 if (ac97_is_modem(ac97)) { 2267 char comp[16]; 2268 if (card->mixername[0] == '\0') { 2269 strcpy(card->mixername, name); 2270 } else { 2271 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2272 strcat(card->mixername, ","); 2273 strcat(card->mixername, name); 2274 } 2275 } 2276 sprintf(comp, "AC97m:%08x", ac97->id); 2277 if ((err = snd_component_add(card, comp)) < 0) { 2278 snd_ac97_free(ac97); 2279 return err; 2280 } 2281 if (snd_ac97_modem_build(card, ac97) < 0) { 2282 snd_ac97_free(ac97); 2283 return -ENOMEM; 2284 } 2285 } 2286 if (ac97_is_audio(ac97)) 2287 update_power_regs(ac97); 2288 snd_ac97_proc_init(ac97); 2289 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2290 snd_ac97_free(ac97); 2291 return err; 2292 } 2293 *rac97 = ac97; 2294 return 0; 2295 } 2296 2297 EXPORT_SYMBOL(snd_ac97_mixer); 2298 2299 /* 2300 * Power down the chip. 2301 * 2302 * MASTER and HEADPHONE registers are muted but the register cache values 2303 * are not changed, so that the values can be restored in snd_ac97_resume(). 2304 */ 2305 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2306 { 2307 unsigned short power; 2308 2309 if (ac97_is_audio(ac97)) { 2310 /* some codecs have stereo mute bits */ 2311 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2312 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2313 } 2314 2315 /* surround, CLFE, mic powerdown */ 2316 power = ac97->regs[AC97_EXTENDED_STATUS]; 2317 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2318 power |= AC97_EA_PRJ; 2319 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2320 power |= AC97_EA_PRI | AC97_EA_PRK; 2321 power |= AC97_EA_PRL; 2322 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2323 2324 /* powerdown external amplifier */ 2325 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2326 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2327 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2328 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2329 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2330 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2331 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2332 udelay(100); 2333 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ 2334 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2335 if (ac97_is_power_save_mode(ac97)) { 2336 power |= AC97_PD_PR3; /* Analog Mixer powerdown */ 2337 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2338 udelay(100); 2339 /* AC-link powerdown, internal Clk disable */ 2340 /* FIXME: this may cause click noises on some boards */ 2341 power |= AC97_PD_PR4 | AC97_PD_PR5; 2342 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2343 } 2344 } 2345 2346 2347 struct ac97_power_reg { 2348 unsigned short reg; 2349 unsigned short power_reg; 2350 unsigned short mask; 2351 }; 2352 2353 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2354 2355 static struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2356 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2357 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2358 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2359 AC97_EA_PRI | AC97_EA_PRK}, 2360 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2361 AC97_EA_PRJ}, 2362 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2363 AC97_EA_PRL}, 2364 }; 2365 2366 #ifdef CONFIG_SND_AC97_POWER_SAVE 2367 /** 2368 * snd_ac97_update_power - update the powerdown register 2369 * @ac97: the codec instance 2370 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2371 * @powerup: non-zero when power up the part 2372 * 2373 * Update the AC97 powerdown register bits of the given part. 2374 */ 2375 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2376 { 2377 int i; 2378 2379 if (! ac97) 2380 return 0; 2381 2382 if (reg) { 2383 /* SPDIF requires DAC power, too */ 2384 if (reg == AC97_SPDIF) 2385 reg = AC97_PCM_FRONT_DAC_RATE; 2386 for (i = 0; i < PWIDX_SIZE; i++) { 2387 if (power_regs[i].reg == reg) { 2388 if (powerup) 2389 ac97->power_up |= (1 << i); 2390 else 2391 ac97->power_up &= ~(1 << i); 2392 break; 2393 } 2394 } 2395 } 2396 2397 if (ac97_is_power_save_mode(ac97) && !powerup) 2398 /* adjust power-down bits after two seconds delay 2399 * (for avoiding loud click noises for many (OSS) apps 2400 * that open/close frequently) 2401 */ 2402 schedule_delayed_work(&ac97->power_work, 2403 msecs_to_jiffies(power_save * 1000)); 2404 else { 2405 cancel_delayed_work(&ac97->power_work); 2406 update_power_regs(ac97); 2407 } 2408 2409 return 0; 2410 } 2411 2412 EXPORT_SYMBOL(snd_ac97_update_power); 2413 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2414 2415 static void update_power_regs(struct snd_ac97 *ac97) 2416 { 2417 unsigned int power_up, bits; 2418 int i; 2419 2420 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2421 power_up |= (1 << PWIDX_MIC); 2422 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2423 power_up |= (1 << PWIDX_SURR); 2424 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2425 power_up |= (1 << PWIDX_CLFE); 2426 #ifdef CONFIG_SND_AC97_POWER_SAVE 2427 if (ac97_is_power_save_mode(ac97)) 2428 power_up = ac97->power_up; 2429 #endif 2430 if (power_up) { 2431 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2432 /* needs power-up analog mix and vref */ 2433 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2434 AC97_PD_PR3, 0); 2435 msleep(1); 2436 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2437 AC97_PD_PR2, 0); 2438 } 2439 } 2440 for (i = 0; i < PWIDX_SIZE; i++) { 2441 if (power_up & (1 << i)) 2442 bits = 0; 2443 else 2444 bits = power_regs[i].mask; 2445 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2446 power_regs[i].mask, bits); 2447 } 2448 if (! power_up) { 2449 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2450 /* power down analog mix and vref */ 2451 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2452 AC97_PD_PR2, AC97_PD_PR2); 2453 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2454 AC97_PD_PR3, AC97_PD_PR3); 2455 } 2456 } 2457 } 2458 2459 2460 #ifdef CONFIG_PM 2461 /** 2462 * snd_ac97_suspend - General suspend function for AC97 codec 2463 * @ac97: the ac97 instance 2464 * 2465 * Suspends the codec, power down the chip. 2466 */ 2467 void snd_ac97_suspend(struct snd_ac97 *ac97) 2468 { 2469 if (! ac97) 2470 return; 2471 if (ac97->build_ops->suspend) 2472 ac97->build_ops->suspend(ac97); 2473 #ifdef CONFIG_SND_AC97_POWER_SAVE 2474 cancel_delayed_work_sync(&ac97->power_work); 2475 #endif 2476 snd_ac97_powerdown(ac97); 2477 } 2478 2479 EXPORT_SYMBOL(snd_ac97_suspend); 2480 2481 /* 2482 * restore ac97 status 2483 */ 2484 static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2485 { 2486 int i; 2487 2488 for (i = 2; i < 0x7c ; i += 2) { 2489 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2490 continue; 2491 /* restore only accessible registers 2492 * some chip (e.g. nm256) may hang up when unsupported registers 2493 * are accessed..! 2494 */ 2495 if (test_bit(i, ac97->reg_accessed)) { 2496 snd_ac97_write(ac97, i, ac97->regs[i]); 2497 snd_ac97_read(ac97, i); 2498 } 2499 } 2500 } 2501 2502 /* 2503 * restore IEC958 status 2504 */ 2505 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2506 { 2507 if (ac97->ext_id & AC97_EI_SPDIF) { 2508 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2509 /* reset spdif status */ 2510 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2511 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2512 if (ac97->flags & AC97_CS_SPDIF) 2513 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2514 else 2515 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2516 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2517 } 2518 } 2519 } 2520 2521 /** 2522 * snd_ac97_resume - General resume function for AC97 codec 2523 * @ac97: the ac97 instance 2524 * 2525 * Do the standard resume procedure, power up and restoring the 2526 * old register values. 2527 */ 2528 void snd_ac97_resume(struct snd_ac97 *ac97) 2529 { 2530 unsigned long end_time; 2531 2532 if (! ac97) 2533 return; 2534 2535 if (ac97->bus->ops->reset) { 2536 ac97->bus->ops->reset(ac97); 2537 goto __reset_ready; 2538 } 2539 2540 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2541 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2542 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2543 snd_ac97_write(ac97, AC97_RESET, 0); 2544 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2545 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2546 udelay(100); 2547 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2548 } 2549 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2550 2551 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2552 if (ac97_is_audio(ac97)) { 2553 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2554 end_time = jiffies + msecs_to_jiffies(100); 2555 do { 2556 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2557 break; 2558 schedule_timeout_uninterruptible(1); 2559 } while (time_after_eq(end_time, jiffies)); 2560 /* FIXME: extra delay */ 2561 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO); 2562 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO) 2563 msleep(250); 2564 } else { 2565 end_time = jiffies + msecs_to_jiffies(100); 2566 do { 2567 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2568 if (val != 0xffff && (val & 1) != 0) 2569 break; 2570 schedule_timeout_uninterruptible(1); 2571 } while (time_after_eq(end_time, jiffies)); 2572 } 2573 __reset_ready: 2574 2575 if (ac97->bus->ops->init) 2576 ac97->bus->ops->init(ac97); 2577 2578 if (ac97->build_ops->resume) 2579 ac97->build_ops->resume(ac97); 2580 else { 2581 snd_ac97_restore_status(ac97); 2582 snd_ac97_restore_iec958(ac97); 2583 } 2584 } 2585 2586 EXPORT_SYMBOL(snd_ac97_resume); 2587 #endif 2588 2589 2590 /* 2591 * Hardware tuning 2592 */ 2593 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2594 { 2595 if (suffix) 2596 sprintf(dst, "%s %s", src, suffix); 2597 else 2598 strcpy(dst, src); 2599 } 2600 2601 /* remove the control with the given name and optional suffix */ 2602 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2603 const char *suffix) 2604 { 2605 struct snd_ctl_elem_id id; 2606 memset(&id, 0, sizeof(id)); 2607 set_ctl_name(id.name, name, suffix); 2608 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2609 return snd_ctl_remove_id(ac97->bus->card, &id); 2610 } 2611 2612 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2613 { 2614 struct snd_ctl_elem_id sid; 2615 memset(&sid, 0, sizeof(sid)); 2616 set_ctl_name(sid.name, name, suffix); 2617 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2618 return snd_ctl_find_id(ac97->bus->card, &sid); 2619 } 2620 2621 /* rename the control with the given name and optional suffix */ 2622 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2623 const char *dst, const char *suffix) 2624 { 2625 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2626 if (kctl) { 2627 set_ctl_name(kctl->id.name, dst, suffix); 2628 return 0; 2629 } 2630 return -ENOENT; 2631 } 2632 2633 /* rename both Volume and Switch controls - don't check the return value */ 2634 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2635 const char *dst) 2636 { 2637 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2638 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2639 } 2640 2641 /* swap controls */ 2642 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2643 const char *s2, const char *suffix) 2644 { 2645 struct snd_kcontrol *kctl1, *kctl2; 2646 kctl1 = ctl_find(ac97, s1, suffix); 2647 kctl2 = ctl_find(ac97, s2, suffix); 2648 if (kctl1 && kctl2) { 2649 set_ctl_name(kctl1->id.name, s2, suffix); 2650 set_ctl_name(kctl2->id.name, s1, suffix); 2651 return 0; 2652 } 2653 return -ENOENT; 2654 } 2655 2656 #if 1 2657 /* bind hp and master controls instead of using only hp control */ 2658 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2659 { 2660 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2661 if (err > 0) { 2662 unsigned long priv_saved = kcontrol->private_value; 2663 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2664 snd_ac97_put_volsw(kcontrol, ucontrol); 2665 kcontrol->private_value = priv_saved; 2666 } 2667 return err; 2668 } 2669 2670 /* ac97 tune: bind Master and Headphone controls */ 2671 static int tune_hp_only(struct snd_ac97 *ac97) 2672 { 2673 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2674 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2675 if (! msw || ! mvol) 2676 return -ENOENT; 2677 msw->put = bind_hp_volsw_put; 2678 mvol->put = bind_hp_volsw_put; 2679 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2680 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2681 return 0; 2682 } 2683 2684 #else 2685 /* ac97 tune: use Headphone control as master */ 2686 static int tune_hp_only(struct snd_ac97 *ac97) 2687 { 2688 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2689 return -ENOENT; 2690 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2691 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2692 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2693 return 0; 2694 } 2695 #endif 2696 2697 /* ac97 tune: swap Headphone and Master controls */ 2698 static int tune_swap_hp(struct snd_ac97 *ac97) 2699 { 2700 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2701 return -ENOENT; 2702 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2703 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2704 return 0; 2705 } 2706 2707 /* ac97 tune: swap Surround and Master controls */ 2708 static int tune_swap_surround(struct snd_ac97 *ac97) 2709 { 2710 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2711 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2712 return -ENOENT; 2713 return 0; 2714 } 2715 2716 /* ac97 tune: set up mic sharing for AD codecs */ 2717 static int tune_ad_sharing(struct snd_ac97 *ac97) 2718 { 2719 unsigned short scfg; 2720 if ((ac97->id & 0xffffff00) != 0x41445300) { 2721 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2722 return -EINVAL; 2723 } 2724 /* Turn on OMS bit to route microphone to back panel */ 2725 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2726 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2727 return 0; 2728 } 2729 2730 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2731 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2732 2733 /* ac97 tune: set up ALC jack-select */ 2734 static int tune_alc_jack(struct snd_ac97 *ac97) 2735 { 2736 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2737 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2738 return -EINVAL; 2739 } 2740 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2741 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2742 if (ac97->id == AC97_ID_ALC658D) 2743 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2744 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2745 } 2746 2747 /* ac97 tune: inversed EAPD bit */ 2748 static int tune_inv_eapd(struct snd_ac97 *ac97) 2749 { 2750 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2751 if (! kctl) 2752 return -ENOENT; 2753 set_inv_eapd(ac97, kctl); 2754 return 0; 2755 } 2756 2757 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2758 { 2759 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2760 if (err > 0) { 2761 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2762 int shift = (kcontrol->private_value >> 8) & 0x0f; 2763 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2764 unsigned short mask; 2765 if (shift != rshift) 2766 mask = AC97_MUTE_MASK_STEREO; 2767 else 2768 mask = AC97_MUTE_MASK_MONO; 2769 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2770 (ac97->regs[AC97_MASTER] & mask) == mask ? 2771 AC97_PD_EAPD : 0); 2772 } 2773 return err; 2774 } 2775 2776 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2777 static int tune_mute_led(struct snd_ac97 *ac97) 2778 { 2779 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2780 if (! msw) 2781 return -ENOENT; 2782 msw->put = master_mute_sw_put; 2783 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2784 snd_ac97_update_bits( 2785 ac97, AC97_POWERDOWN, 2786 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2787 ); 2788 ac97->scaps |= AC97_SCAP_EAPD_LED; 2789 return 0; 2790 } 2791 2792 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2793 struct snd_ctl_elem_value *ucontrol) 2794 { 2795 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2796 if (err > 0) { 2797 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2798 int shift = (kcontrol->private_value >> 8) & 0x0f; 2799 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2800 unsigned short mask; 2801 if (shift != rshift) 2802 mask = AC97_MUTE_MASK_STEREO; 2803 else 2804 mask = AC97_MUTE_MASK_MONO; 2805 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2806 (ac97->regs[AC97_MASTER] & mask) == mask ? 2807 AC97_PD_EAPD : 0); 2808 } 2809 return err; 2810 } 2811 2812 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2813 { 2814 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2815 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2816 if (! msw || ! mvol) 2817 return -ENOENT; 2818 msw->put = hp_master_mute_sw_put; 2819 mvol->put = bind_hp_volsw_put; 2820 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2821 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2822 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2823 snd_ac97_update_bits( 2824 ac97, AC97_POWERDOWN, 2825 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2826 ); 2827 return 0; 2828 } 2829 2830 struct quirk_table { 2831 const char *name; 2832 int (*func)(struct snd_ac97 *); 2833 }; 2834 2835 static struct quirk_table applicable_quirks[] = { 2836 { "none", NULL }, 2837 { "hp_only", tune_hp_only }, 2838 { "swap_hp", tune_swap_hp }, 2839 { "swap_surround", tune_swap_surround }, 2840 { "ad_sharing", tune_ad_sharing }, 2841 { "alc_jack", tune_alc_jack }, 2842 { "inv_eapd", tune_inv_eapd }, 2843 { "mute_led", tune_mute_led }, 2844 { "hp_mute_led", tune_hp_mute_led }, 2845 }; 2846 2847 /* apply the quirk with the given type */ 2848 static int apply_quirk(struct snd_ac97 *ac97, int type) 2849 { 2850 if (type <= 0) 2851 return 0; 2852 else if (type >= ARRAY_SIZE(applicable_quirks)) 2853 return -EINVAL; 2854 if (applicable_quirks[type].func) 2855 return applicable_quirks[type].func(ac97); 2856 return 0; 2857 } 2858 2859 /* apply the quirk with the given name */ 2860 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2861 { 2862 int i; 2863 struct quirk_table *q; 2864 2865 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2866 q = &applicable_quirks[i]; 2867 if (q->name && ! strcmp(typestr, q->name)) 2868 return apply_quirk(ac97, i); 2869 } 2870 /* for compatibility, accept the numbers, too */ 2871 if (*typestr >= '0' && *typestr <= '9') 2872 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2873 return -EINVAL; 2874 } 2875 2876 /** 2877 * snd_ac97_tune_hardware - tune up the hardware 2878 * @ac97: the ac97 instance 2879 * @quirk: quirk list 2880 * @override: explicit quirk value (overrides the list if non-NULL) 2881 * 2882 * Do some workaround for each pci device, such as renaming of the 2883 * headphone (true line-out) control as "Master". 2884 * The quirk-list must be terminated with a zero-filled entry. 2885 * 2886 * Returns zero if successful, or a negative error code on failure. 2887 */ 2888 2889 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) 2890 { 2891 int result; 2892 2893 /* quirk overriden? */ 2894 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2895 result = apply_quirk_str(ac97, override); 2896 if (result < 0) 2897 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2898 return result; 2899 } 2900 2901 if (! quirk) 2902 return -EINVAL; 2903 2904 for (; quirk->subvendor; quirk++) { 2905 if (quirk->subvendor != ac97->subsystem_vendor) 2906 continue; 2907 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2908 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2909 if (quirk->codec_id && quirk->codec_id != ac97->id) 2910 continue; 2911 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2912 result = apply_quirk(ac97, quirk->type); 2913 if (result < 0) 2914 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2915 return result; 2916 } 2917 } 2918 return 0; 2919 } 2920 2921 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2922 2923 /* 2924 * INIT part 2925 */ 2926 2927 static int __init alsa_ac97_init(void) 2928 { 2929 return 0; 2930 } 2931 2932 static void __exit alsa_ac97_exit(void) 2933 { 2934 } 2935 2936 module_init(alsa_ac97_init) 2937 module_exit(alsa_ac97_exit) 2938