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 (!kctl) 1275 return -ENOMEM; 1276 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1277 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1278 else 1279 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1280 err = snd_ctl_add(card, kctl); 1281 if (err < 0) 1282 return err; 1283 snd_ac97_write_cache( 1284 ac97, reg, 1285 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO) 1286 | lo_max | (hi_max << 8) 1287 ); 1288 return 0; 1289 } 1290 1291 /* 1292 * create a mute-switch and a volume for normal stereo/mono controls 1293 */ 1294 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1295 int reg, int check_stereo, int check_amix, 1296 struct snd_ac97 *ac97) 1297 { 1298 int err; 1299 char name[44]; 1300 unsigned char lo_max, hi_max; 1301 1302 if (! snd_ac97_valid_reg(ac97, reg)) 1303 return 0; 1304 1305 if (snd_ac97_try_bit(ac97, reg, 15)) { 1306 sprintf(name, "%s Switch", pfx); 1307 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, 1308 check_stereo, check_amix, 1309 ac97)) < 0) 1310 return err; 1311 } 1312 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1313 if (lo_max) { 1314 sprintf(name, "%s Volume", pfx); 1315 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1316 return err; 1317 } 1318 return 0; 1319 } 1320 1321 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1322 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1323 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1324 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1325 1326 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1327 1328 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1329 { 1330 struct snd_card *card = ac97->bus->card; 1331 struct snd_kcontrol *kctl; 1332 int err; 1333 unsigned int idx; 1334 unsigned char max; 1335 1336 /* build master controls */ 1337 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1338 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1339 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1340 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1341 AC97_MASTER, 0, ac97); 1342 else 1343 err = snd_ac97_cmix_new(card, "Master Playback", 1344 AC97_MASTER, 0, ac97); 1345 if (err < 0) 1346 return err; 1347 } 1348 1349 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO; 1350 1351 /* build center controls */ 1352 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1353 && !(ac97->flags & AC97_AD_MULTI)) { 1354 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1355 return err; 1356 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1357 return err; 1358 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1359 kctl->private_value &= ~(0xff << 16); 1360 kctl->private_value |= (int)max << 16; 1361 set_tlv_db_scale(kctl, find_db_scale(max)); 1362 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1363 } 1364 1365 /* build LFE controls */ 1366 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1367 && !(ac97->flags & AC97_AD_MULTI)) { 1368 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1369 return err; 1370 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1371 return err; 1372 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1373 kctl->private_value &= ~(0xff << 16); 1374 kctl->private_value |= (int)max << 16; 1375 set_tlv_db_scale(kctl, find_db_scale(max)); 1376 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1377 } 1378 1379 /* build surround controls */ 1380 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1381 && !(ac97->flags & AC97_AD_MULTI)) { 1382 /* Surround Master (0x38) is with stereo mutes */ 1383 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1384 AC97_SURROUND_MASTER, 1, 0, 1385 ac97)) < 0) 1386 return err; 1387 } 1388 1389 /* build headphone controls */ 1390 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1391 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", 1392 AC97_HEADPHONE, 0, ac97)) < 0) 1393 return err; 1394 } 1395 1396 /* build master mono controls */ 1397 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1398 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", 1399 AC97_MASTER_MONO, 0, ac97)) < 0) 1400 return err; 1401 } 1402 1403 /* build master tone controls */ 1404 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1405 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1406 for (idx = 0; idx < 2; idx++) { 1407 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1408 return err; 1409 if (ac97->id == AC97_ID_YMF743 || 1410 ac97->id == AC97_ID_YMF753) { 1411 kctl->private_value &= ~(0xff << 16); 1412 kctl->private_value |= 7 << 16; 1413 } 1414 } 1415 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1416 } 1417 } 1418 1419 /* build Beep controls */ 1420 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1421 ((ac97->flags & AC97_HAS_PC_BEEP) || 1422 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1423 for (idx = 0; idx < 2; idx++) 1424 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1425 return err; 1426 set_tlv_db_scale(kctl, db_scale_4bit); 1427 snd_ac97_write_cache( 1428 ac97, 1429 AC97_PC_BEEP, 1430 (snd_ac97_read(ac97, AC97_PC_BEEP) 1431 | AC97_MUTE_MASK_MONO | 0x001e) 1432 ); 1433 } 1434 1435 /* build Phone controls */ 1436 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1437 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1438 if ((err = snd_ac97_cmix_new(card, "Phone Playback", 1439 AC97_PHONE, 1, ac97)) < 0) 1440 return err; 1441 } 1442 } 1443 1444 /* build MIC controls */ 1445 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1446 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1447 if ((err = snd_ac97_cmix_new(card, "Mic Playback", 1448 AC97_MIC, 1, ac97)) < 0) 1449 return err; 1450 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1451 return err; 1452 } 1453 } 1454 1455 /* build Line controls */ 1456 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1457 if ((err = snd_ac97_cmix_new(card, "Line Playback", 1458 AC97_LINE, 1, ac97)) < 0) 1459 return err; 1460 } 1461 1462 /* build CD controls */ 1463 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1464 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1465 if ((err = snd_ac97_cmix_new(card, "CD Playback", 1466 AC97_CD, 1, ac97)) < 0) 1467 return err; 1468 } 1469 } 1470 1471 /* build Video controls */ 1472 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1473 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1474 if ((err = snd_ac97_cmix_new(card, "Video Playback", 1475 AC97_VIDEO, 1, ac97)) < 0) 1476 return err; 1477 } 1478 } 1479 1480 /* build Aux controls */ 1481 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1482 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1483 if ((err = snd_ac97_cmix_new(card, "Aux Playback", 1484 AC97_AUX, 1, ac97)) < 0) 1485 return err; 1486 } 1487 } 1488 1489 /* build PCM controls */ 1490 if (ac97->flags & AC97_AD_MULTI) { 1491 unsigned short init_val; 1492 if (ac97->flags & AC97_STEREO_MUTES) 1493 init_val = 0x9f9f; 1494 else 1495 init_val = 0x9f1f; 1496 for (idx = 0; idx < 2; idx++) 1497 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1498 return err; 1499 set_tlv_db_scale(kctl, db_scale_5bit); 1500 ac97->spec.ad18xx.pcmreg[0] = init_val; 1501 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1502 for (idx = 0; idx < 2; idx++) 1503 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1504 return err; 1505 set_tlv_db_scale(kctl, db_scale_5bit); 1506 ac97->spec.ad18xx.pcmreg[1] = init_val; 1507 } 1508 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1509 for (idx = 0; idx < 2; idx++) 1510 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1511 return err; 1512 set_tlv_db_scale(kctl, db_scale_5bit); 1513 for (idx = 0; idx < 2; idx++) 1514 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1515 return err; 1516 set_tlv_db_scale(kctl, db_scale_5bit); 1517 ac97->spec.ad18xx.pcmreg[2] = init_val; 1518 } 1519 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1520 } else { 1521 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1522 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1523 err = snd_ac97_cmute_new(card, 1524 "PCM Playback Switch", 1525 AC97_PCM, 0, ac97); 1526 else 1527 err = snd_ac97_cmix_new(card, "PCM Playback", 1528 AC97_PCM, 0, ac97); 1529 if (err < 0) 1530 return err; 1531 } 1532 } 1533 1534 /* build Capture controls */ 1535 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1536 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1537 return err; 1538 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1539 err = snd_ac97_cmute_new(card, "Capture Switch", 1540 AC97_REC_GAIN, 0, ac97); 1541 if (err < 0) 1542 return err; 1543 } 1544 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1545 return err; 1546 set_tlv_db_scale(kctl, db_scale_rec_gain); 1547 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1548 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1549 } 1550 /* build MIC Capture controls */ 1551 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1552 for (idx = 0; idx < 2; idx++) 1553 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1554 return err; 1555 set_tlv_db_scale(kctl, db_scale_rec_gain); 1556 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1557 } 1558 1559 /* build PCM out path & mute control */ 1560 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1561 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1562 return err; 1563 } 1564 1565 /* build Simulated Stereo Enhancement control */ 1566 if (ac97->caps & AC97_BC_SIM_STEREO) { 1567 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1568 return err; 1569 } 1570 1571 /* build 3D Stereo Enhancement control */ 1572 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1573 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1574 return err; 1575 } 1576 1577 /* build Loudness control */ 1578 if (ac97->caps & AC97_BC_LOUDNESS) { 1579 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1580 return err; 1581 } 1582 1583 /* build Mono output select control */ 1584 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1585 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1586 return err; 1587 } 1588 1589 /* build Mic select control */ 1590 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1591 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1592 return err; 1593 } 1594 1595 /* build ADC/DAC loopback control */ 1596 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1597 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1598 return err; 1599 } 1600 1601 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1602 1603 /* build 3D controls */ 1604 if (ac97->build_ops->build_3d) { 1605 ac97->build_ops->build_3d(ac97); 1606 } else { 1607 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1608 unsigned short val; 1609 val = 0x0707; 1610 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1611 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1612 val = val == 0x0606; 1613 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1614 return err; 1615 if (val) 1616 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1617 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1618 return err; 1619 if (val) 1620 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1621 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1622 } 1623 } 1624 1625 /* build S/PDIF controls */ 1626 1627 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1628 if (ac97->subsystem_vendor == 0x1043 && 1629 ac97->subsystem_device == 0x810f) 1630 ac97->ext_id |= AC97_EI_SPDIF; 1631 1632 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1633 if (ac97->build_ops->build_spdif) { 1634 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1635 return err; 1636 } else { 1637 for (idx = 0; idx < 5; idx++) 1638 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1639 return err; 1640 if (ac97->build_ops->build_post_spdif) { 1641 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1642 return err; 1643 } 1644 /* set default PCM S/PDIF params */ 1645 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1646 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1647 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1648 } 1649 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1650 } 1651 1652 /* build chip specific controls */ 1653 if (ac97->build_ops->build_specific) 1654 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1655 return err; 1656 1657 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1658 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1659 if (! kctl) 1660 return -ENOMEM; 1661 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1662 set_inv_eapd(ac97, kctl); 1663 if ((err = snd_ctl_add(card, kctl)) < 0) 1664 return err; 1665 } 1666 1667 return 0; 1668 } 1669 1670 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1671 { 1672 int err, idx; 1673 1674 /* 1675 printk(KERN_DEBUG "AC97_GPIO_CFG = %x\n", 1676 snd_ac97_read(ac97,AC97_GPIO_CFG)); 1677 */ 1678 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1679 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1680 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1681 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1682 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1683 1684 /* build modem switches */ 1685 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1686 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1687 return err; 1688 1689 /* build chip specific controls */ 1690 if (ac97->build_ops->build_specific) 1691 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1692 return err; 1693 1694 return 0; 1695 } 1696 1697 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1698 { 1699 unsigned short val; 1700 unsigned int tmp; 1701 1702 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1703 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1704 if (shadow_reg) 1705 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1706 val = snd_ac97_read(ac97, reg); 1707 return val == (tmp & 0xffff); 1708 } 1709 1710 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1711 { 1712 unsigned int result = 0; 1713 unsigned short saved; 1714 1715 if (ac97->bus->no_vra) { 1716 *r_result = SNDRV_PCM_RATE_48000; 1717 if ((ac97->flags & AC97_DOUBLE_RATE) && 1718 reg == AC97_PCM_FRONT_DAC_RATE) 1719 *r_result |= SNDRV_PCM_RATE_96000; 1720 return; 1721 } 1722 1723 saved = snd_ac97_read(ac97, reg); 1724 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1725 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1726 AC97_EA_DRA, 0); 1727 /* test a non-standard rate */ 1728 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1729 result |= SNDRV_PCM_RATE_CONTINUOUS; 1730 /* let's try to obtain standard rates */ 1731 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1732 result |= SNDRV_PCM_RATE_8000; 1733 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1734 result |= SNDRV_PCM_RATE_11025; 1735 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1736 result |= SNDRV_PCM_RATE_16000; 1737 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1738 result |= SNDRV_PCM_RATE_22050; 1739 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1740 result |= SNDRV_PCM_RATE_32000; 1741 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1742 result |= SNDRV_PCM_RATE_44100; 1743 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1744 result |= SNDRV_PCM_RATE_48000; 1745 if ((ac97->flags & AC97_DOUBLE_RATE) && 1746 reg == AC97_PCM_FRONT_DAC_RATE) { 1747 /* test standard double rates */ 1748 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1749 AC97_EA_DRA, AC97_EA_DRA); 1750 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1751 result |= SNDRV_PCM_RATE_64000; 1752 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1753 result |= SNDRV_PCM_RATE_88200; 1754 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1755 result |= SNDRV_PCM_RATE_96000; 1756 /* some codecs don't support variable double rates */ 1757 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1758 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1759 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1760 AC97_EA_DRA, 0); 1761 } 1762 /* restore the default value */ 1763 snd_ac97_write_cache(ac97, reg, saved); 1764 if (shadow_reg) 1765 snd_ac97_write_cache(ac97, shadow_reg, saved); 1766 *r_result = result; 1767 } 1768 1769 /* check AC97_SPDIF register to accept which sample rates */ 1770 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1771 { 1772 unsigned int result = 0; 1773 int i; 1774 static unsigned short ctl_bits[] = { 1775 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1776 }; 1777 static unsigned int rate_bits[] = { 1778 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1779 }; 1780 1781 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1782 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1783 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1784 result |= rate_bits[i]; 1785 } 1786 return result; 1787 } 1788 1789 /* look for the codec id table matching with the given id */ 1790 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1791 unsigned int id) 1792 { 1793 const struct ac97_codec_id *pid; 1794 1795 for (pid = table; pid->id; pid++) 1796 if (pid->id == (id & pid->mask)) 1797 return pid; 1798 return NULL; 1799 } 1800 1801 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1802 { 1803 const struct ac97_codec_id *pid; 1804 1805 sprintf(name, "0x%x %c%c%c", id, 1806 printable(id >> 24), 1807 printable(id >> 16), 1808 printable(id >> 8)); 1809 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1810 if (! pid) 1811 return; 1812 1813 strcpy(name, pid->name); 1814 if (ac97 && pid->patch) { 1815 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1816 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1817 pid->patch(ac97); 1818 } 1819 1820 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1821 if (pid) { 1822 strcat(name, " "); 1823 strcat(name, pid->name); 1824 if (pid->mask != 0xffffffff) 1825 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1826 if (ac97 && pid->patch) { 1827 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1828 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1829 pid->patch(ac97); 1830 } 1831 } else 1832 sprintf(name + strlen(name), " id %x", id & 0xff); 1833 } 1834 1835 /** 1836 * snd_ac97_get_short_name - retrieve codec name 1837 * @ac97: the codec instance 1838 * 1839 * Returns the short identifying name of the codec. 1840 */ 1841 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1842 { 1843 const struct ac97_codec_id *pid; 1844 1845 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1846 if (pid->id == (ac97->id & pid->mask)) 1847 return pid->name; 1848 return "unknown codec"; 1849 } 1850 1851 EXPORT_SYMBOL(snd_ac97_get_short_name); 1852 1853 /* wait for a while until registers are accessible after RESET 1854 * return 0 if ok, negative not ready 1855 */ 1856 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1857 { 1858 unsigned long end_time; 1859 unsigned short val; 1860 1861 end_time = jiffies + timeout; 1862 do { 1863 1864 /* use preliminary reads to settle the communication */ 1865 snd_ac97_read(ac97, AC97_RESET); 1866 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1867 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1868 /* modem? */ 1869 if (with_modem) { 1870 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1871 if (val != 0xffff && (val & 1) != 0) 1872 return 0; 1873 } 1874 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1875 /* probably only Xbox issue - all registers are read as zero */ 1876 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1877 if (val != 0 && val != 0xffff) 1878 return 0; 1879 } else { 1880 /* because the PCM or MASTER volume registers can be modified, 1881 * the REC_GAIN register is used for tests 1882 */ 1883 /* test if we can write to the record gain volume register */ 1884 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1885 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1886 return 0; 1887 } 1888 schedule_timeout_uninterruptible(1); 1889 } while (time_after_eq(end_time, jiffies)); 1890 return -ENODEV; 1891 } 1892 1893 /** 1894 * snd_ac97_bus - create an AC97 bus component 1895 * @card: the card instance 1896 * @num: the bus number 1897 * @ops: the bus callbacks table 1898 * @private_data: private data pointer for the new instance 1899 * @rbus: the pointer to store the new AC97 bus instance. 1900 * 1901 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1902 * allocated and initialized. 1903 * 1904 * The ops table must include valid callbacks (at least read and 1905 * write). The other callbacks, wait and reset, are not mandatory. 1906 * 1907 * The clock is set to 48000. If another clock is needed, set 1908 * (*rbus)->clock manually. 1909 * 1910 * The AC97 bus instance is registered as a low-level device, so you don't 1911 * have to release it manually. 1912 * 1913 * Returns zero if successful, or a negative error code on failure. 1914 */ 1915 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1916 void *private_data, struct snd_ac97_bus **rbus) 1917 { 1918 int err; 1919 struct snd_ac97_bus *bus; 1920 static struct snd_device_ops dev_ops = { 1921 .dev_free = snd_ac97_bus_dev_free, 1922 }; 1923 1924 if (snd_BUG_ON(!card)) 1925 return -EINVAL; 1926 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1927 if (bus == NULL) 1928 return -ENOMEM; 1929 bus->card = card; 1930 bus->num = num; 1931 bus->ops = ops; 1932 bus->private_data = private_data; 1933 bus->clock = 48000; 1934 spin_lock_init(&bus->bus_lock); 1935 snd_ac97_bus_proc_init(bus); 1936 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1937 snd_ac97_bus_free(bus); 1938 return err; 1939 } 1940 if (rbus) 1941 *rbus = bus; 1942 return 0; 1943 } 1944 1945 EXPORT_SYMBOL(snd_ac97_bus); 1946 1947 /* stop no dev release warning */ 1948 static void ac97_device_release(struct device * dev) 1949 { 1950 } 1951 1952 /* register ac97 codec to bus */ 1953 static int snd_ac97_dev_register(struct snd_device *device) 1954 { 1955 struct snd_ac97 *ac97 = device->device_data; 1956 int err; 1957 1958 ac97->dev.bus = &ac97_bus_type; 1959 ac97->dev.parent = ac97->bus->card->dev; 1960 ac97->dev.release = ac97_device_release; 1961 dev_set_name(&ac97->dev, "%d-%d:%s", 1962 ac97->bus->card->number, ac97->num, 1963 snd_ac97_get_short_name(ac97)); 1964 if ((err = device_register(&ac97->dev)) < 0) { 1965 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1966 ac97->dev.bus = NULL; 1967 return err; 1968 } 1969 return 0; 1970 } 1971 1972 /* disconnect ac97 codec */ 1973 static int snd_ac97_dev_disconnect(struct snd_device *device) 1974 { 1975 struct snd_ac97 *ac97 = device->device_data; 1976 if (ac97->dev.bus) 1977 device_unregister(&ac97->dev); 1978 return 0; 1979 } 1980 1981 /* build_ops to do nothing */ 1982 static const struct snd_ac97_build_ops null_build_ops; 1983 1984 #ifdef CONFIG_SND_AC97_POWER_SAVE 1985 static void do_update_power(struct work_struct *work) 1986 { 1987 update_power_regs( 1988 container_of(work, struct snd_ac97, power_work.work)); 1989 } 1990 #endif 1991 1992 /** 1993 * snd_ac97_mixer - create an Codec97 component 1994 * @bus: the AC97 bus which codec is attached to 1995 * @template: the template of ac97, including index, callbacks and 1996 * the private data. 1997 * @rac97: the pointer to store the new ac97 instance. 1998 * 1999 * Creates an Codec97 component. An struct snd_ac97 instance is newly 2000 * allocated and initialized from the template. The codec 2001 * is then initialized by the standard procedure. 2002 * 2003 * The template must include the codec number (num) and address (addr), 2004 * and the private data (private_data). 2005 * 2006 * The ac97 instance is registered as a low-level device, so you don't 2007 * have to release it manually. 2008 * 2009 * Returns zero if successful, or a negative error code on failure. 2010 */ 2011 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 2012 { 2013 int err; 2014 struct snd_ac97 *ac97; 2015 struct snd_card *card; 2016 char name[64]; 2017 unsigned long end_time; 2018 unsigned int reg; 2019 const struct ac97_codec_id *pid; 2020 static struct snd_device_ops ops = { 2021 .dev_free = snd_ac97_dev_free, 2022 .dev_register = snd_ac97_dev_register, 2023 .dev_disconnect = snd_ac97_dev_disconnect, 2024 }; 2025 2026 if (rac97) 2027 *rac97 = NULL; 2028 if (snd_BUG_ON(!bus || !template)) 2029 return -EINVAL; 2030 if (snd_BUG_ON(template->num >= 4)) 2031 return -EINVAL; 2032 if (bus->codec[template->num]) 2033 return -EBUSY; 2034 2035 card = bus->card; 2036 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 2037 if (ac97 == NULL) 2038 return -ENOMEM; 2039 ac97->private_data = template->private_data; 2040 ac97->private_free = template->private_free; 2041 ac97->bus = bus; 2042 ac97->pci = template->pci; 2043 ac97->num = template->num; 2044 ac97->addr = template->addr; 2045 ac97->scaps = template->scaps; 2046 ac97->res_table = template->res_table; 2047 bus->codec[ac97->num] = ac97; 2048 mutex_init(&ac97->reg_mutex); 2049 mutex_init(&ac97->page_mutex); 2050 #ifdef CONFIG_SND_AC97_POWER_SAVE 2051 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2052 #endif 2053 2054 #ifdef CONFIG_PCI 2055 if (ac97->pci) { 2056 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2057 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2058 } 2059 #endif 2060 if (bus->ops->reset) { 2061 bus->ops->reset(ac97); 2062 goto __access_ok; 2063 } 2064 2065 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2066 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2067 if (ac97->id && ac97->id != (unsigned int)-1) { 2068 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2069 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2070 goto __access_ok; 2071 } 2072 2073 /* reset to defaults */ 2074 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2075 snd_ac97_write(ac97, AC97_RESET, 0); 2076 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2077 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2078 if (bus->ops->wait) 2079 bus->ops->wait(ac97); 2080 else { 2081 udelay(50); 2082 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2083 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2084 else { 2085 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2086 if (err < 0) 2087 err = ac97_reset_wait(ac97, 2088 msecs_to_jiffies(500), 1); 2089 } 2090 if (err < 0) { 2091 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 2092 /* proceed anyway - it's often non-critical */ 2093 } 2094 } 2095 __access_ok: 2096 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2097 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2098 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2099 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2100 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 2101 snd_ac97_free(ac97); 2102 return -EIO; 2103 } 2104 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2105 if (pid) 2106 ac97->flags |= pid->flags; 2107 2108 /* test for AC'97 */ 2109 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2110 /* test if we can write to the record gain volume register */ 2111 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2112 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 2113 ac97->scaps |= AC97_SCAP_AUDIO; 2114 } 2115 if (ac97->scaps & AC97_SCAP_AUDIO) { 2116 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2117 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2118 if (ac97->ext_id == 0xffff) /* invalid combination */ 2119 ac97->ext_id = 0; 2120 } 2121 2122 /* test for MC'97 */ 2123 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2124 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2125 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2126 ac97->ext_mid = 0; 2127 if (ac97->ext_mid & 1) 2128 ac97->scaps |= AC97_SCAP_MODEM; 2129 } 2130 2131 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2132 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2133 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 2134 snd_ac97_free(ac97); 2135 return -EACCES; 2136 } 2137 2138 if (bus->ops->reset) // FIXME: always skipping? 2139 goto __ready_ok; 2140 2141 /* FIXME: add powerdown control */ 2142 if (ac97_is_audio(ac97)) { 2143 /* nothing should be in powerdown mode */ 2144 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2145 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2146 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2147 udelay(100); 2148 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2149 } 2150 /* nothing should be in powerdown mode */ 2151 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2152 end_time = jiffies + msecs_to_jiffies(5000); 2153 do { 2154 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2155 goto __ready_ok; 2156 schedule_timeout_uninterruptible(1); 2157 } while (time_after_eq(end_time, jiffies)); 2158 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 2159 } 2160 2161 /* FIXME: add powerdown control */ 2162 if (ac97_is_modem(ac97)) { 2163 unsigned char tmp; 2164 2165 /* nothing should be in powerdown mode */ 2166 /* note: it's important to set the rate at first */ 2167 tmp = AC97_MEA_GPIO; 2168 if (ac97->ext_mid & AC97_MEI_LINE1) { 2169 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2170 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2171 } 2172 if (ac97->ext_mid & AC97_MEI_LINE2) { 2173 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2174 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2175 } 2176 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2177 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2178 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2179 } 2180 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2181 udelay(100); 2182 /* nothing should be in powerdown mode */ 2183 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2184 end_time = jiffies + msecs_to_jiffies(100); 2185 do { 2186 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2187 goto __ready_ok; 2188 schedule_timeout_uninterruptible(1); 2189 } while (time_after_eq(end_time, jiffies)); 2190 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2191 } 2192 2193 __ready_ok: 2194 if (ac97_is_audio(ac97)) 2195 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2196 else 2197 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2198 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2199 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2200 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2201 if (! bus->no_vra) 2202 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2203 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2204 } 2205 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2206 /* Intel controllers require double rate data to be put in 2207 * slots 7+8, so let's hope the codec supports it. */ 2208 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2209 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2210 ac97->flags |= AC97_DOUBLE_RATE; 2211 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2212 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2213 } 2214 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2215 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2216 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2217 } else { 2218 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2219 if (ac97->flags & AC97_DOUBLE_RATE) 2220 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2221 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2222 } 2223 if (ac97->ext_id & AC97_EI_SPDIF) { 2224 /* codec specific code (patch) should override these values */ 2225 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2226 } 2227 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2228 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2229 } else { 2230 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2231 } 2232 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2233 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2234 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2235 } 2236 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2237 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2238 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2239 } 2240 /* additional initializations */ 2241 if (bus->ops->init) 2242 bus->ops->init(ac97); 2243 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2244 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2245 if (! ac97->build_ops) 2246 ac97->build_ops = &null_build_ops; 2247 2248 if (ac97_is_audio(ac97)) { 2249 char comp[16]; 2250 if (card->mixername[0] == '\0') { 2251 strcpy(card->mixername, name); 2252 } else { 2253 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2254 strcat(card->mixername, ","); 2255 strcat(card->mixername, name); 2256 } 2257 } 2258 sprintf(comp, "AC97a:%08x", ac97->id); 2259 if ((err = snd_component_add(card, comp)) < 0) { 2260 snd_ac97_free(ac97); 2261 return err; 2262 } 2263 if (snd_ac97_mixer_build(ac97) < 0) { 2264 snd_ac97_free(ac97); 2265 return -ENOMEM; 2266 } 2267 } 2268 if (ac97_is_modem(ac97)) { 2269 char comp[16]; 2270 if (card->mixername[0] == '\0') { 2271 strcpy(card->mixername, name); 2272 } else { 2273 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2274 strcat(card->mixername, ","); 2275 strcat(card->mixername, name); 2276 } 2277 } 2278 sprintf(comp, "AC97m:%08x", ac97->id); 2279 if ((err = snd_component_add(card, comp)) < 0) { 2280 snd_ac97_free(ac97); 2281 return err; 2282 } 2283 if (snd_ac97_modem_build(card, ac97) < 0) { 2284 snd_ac97_free(ac97); 2285 return -ENOMEM; 2286 } 2287 } 2288 if (ac97_is_audio(ac97)) 2289 update_power_regs(ac97); 2290 snd_ac97_proc_init(ac97); 2291 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2292 snd_ac97_free(ac97); 2293 return err; 2294 } 2295 *rac97 = ac97; 2296 return 0; 2297 } 2298 2299 EXPORT_SYMBOL(snd_ac97_mixer); 2300 2301 /* 2302 * Power down the chip. 2303 * 2304 * MASTER and HEADPHONE registers are muted but the register cache values 2305 * are not changed, so that the values can be restored in snd_ac97_resume(). 2306 */ 2307 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2308 { 2309 unsigned short power; 2310 2311 if (ac97_is_audio(ac97)) { 2312 /* some codecs have stereo mute bits */ 2313 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2314 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2315 } 2316 2317 /* surround, CLFE, mic powerdown */ 2318 power = ac97->regs[AC97_EXTENDED_STATUS]; 2319 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2320 power |= AC97_EA_PRJ; 2321 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2322 power |= AC97_EA_PRI | AC97_EA_PRK; 2323 power |= AC97_EA_PRL; 2324 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2325 2326 /* powerdown external amplifier */ 2327 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2328 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2329 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2330 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2331 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2332 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2333 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2334 udelay(100); 2335 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ 2336 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2337 if (ac97_is_power_save_mode(ac97)) { 2338 power |= AC97_PD_PR3; /* Analog Mixer powerdown */ 2339 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2340 udelay(100); 2341 /* AC-link powerdown, internal Clk disable */ 2342 /* FIXME: this may cause click noises on some boards */ 2343 power |= AC97_PD_PR4 | AC97_PD_PR5; 2344 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2345 } 2346 } 2347 2348 2349 struct ac97_power_reg { 2350 unsigned short reg; 2351 unsigned short power_reg; 2352 unsigned short mask; 2353 }; 2354 2355 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2356 2357 static struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2358 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2359 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2360 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2361 AC97_EA_PRI | AC97_EA_PRK}, 2362 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2363 AC97_EA_PRJ}, 2364 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2365 AC97_EA_PRL}, 2366 }; 2367 2368 #ifdef CONFIG_SND_AC97_POWER_SAVE 2369 /** 2370 * snd_ac97_update_power - update the powerdown register 2371 * @ac97: the codec instance 2372 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2373 * @powerup: non-zero when power up the part 2374 * 2375 * Update the AC97 powerdown register bits of the given part. 2376 */ 2377 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2378 { 2379 int i; 2380 2381 if (! ac97) 2382 return 0; 2383 2384 if (reg) { 2385 /* SPDIF requires DAC power, too */ 2386 if (reg == AC97_SPDIF) 2387 reg = AC97_PCM_FRONT_DAC_RATE; 2388 for (i = 0; i < PWIDX_SIZE; i++) { 2389 if (power_regs[i].reg == reg) { 2390 if (powerup) 2391 ac97->power_up |= (1 << i); 2392 else 2393 ac97->power_up &= ~(1 << i); 2394 break; 2395 } 2396 } 2397 } 2398 2399 if (ac97_is_power_save_mode(ac97) && !powerup) 2400 /* adjust power-down bits after two seconds delay 2401 * (for avoiding loud click noises for many (OSS) apps 2402 * that open/close frequently) 2403 */ 2404 schedule_delayed_work(&ac97->power_work, 2405 msecs_to_jiffies(power_save * 1000)); 2406 else { 2407 cancel_delayed_work(&ac97->power_work); 2408 update_power_regs(ac97); 2409 } 2410 2411 return 0; 2412 } 2413 2414 EXPORT_SYMBOL(snd_ac97_update_power); 2415 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2416 2417 static void update_power_regs(struct snd_ac97 *ac97) 2418 { 2419 unsigned int power_up, bits; 2420 int i; 2421 2422 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2423 power_up |= (1 << PWIDX_MIC); 2424 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2425 power_up |= (1 << PWIDX_SURR); 2426 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2427 power_up |= (1 << PWIDX_CLFE); 2428 #ifdef CONFIG_SND_AC97_POWER_SAVE 2429 if (ac97_is_power_save_mode(ac97)) 2430 power_up = ac97->power_up; 2431 #endif 2432 if (power_up) { 2433 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2434 /* needs power-up analog mix and vref */ 2435 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2436 AC97_PD_PR3, 0); 2437 msleep(1); 2438 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2439 AC97_PD_PR2, 0); 2440 } 2441 } 2442 for (i = 0; i < PWIDX_SIZE; i++) { 2443 if (power_up & (1 << i)) 2444 bits = 0; 2445 else 2446 bits = power_regs[i].mask; 2447 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2448 power_regs[i].mask, bits); 2449 } 2450 if (! power_up) { 2451 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2452 /* power down analog mix and vref */ 2453 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2454 AC97_PD_PR2, AC97_PD_PR2); 2455 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2456 AC97_PD_PR3, AC97_PD_PR3); 2457 } 2458 } 2459 } 2460 2461 2462 #ifdef CONFIG_PM 2463 /** 2464 * snd_ac97_suspend - General suspend function for AC97 codec 2465 * @ac97: the ac97 instance 2466 * 2467 * Suspends the codec, power down the chip. 2468 */ 2469 void snd_ac97_suspend(struct snd_ac97 *ac97) 2470 { 2471 if (! ac97) 2472 return; 2473 if (ac97->build_ops->suspend) 2474 ac97->build_ops->suspend(ac97); 2475 #ifdef CONFIG_SND_AC97_POWER_SAVE 2476 cancel_delayed_work_sync(&ac97->power_work); 2477 #endif 2478 snd_ac97_powerdown(ac97); 2479 } 2480 2481 EXPORT_SYMBOL(snd_ac97_suspend); 2482 2483 /* 2484 * restore ac97 status 2485 */ 2486 static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2487 { 2488 int i; 2489 2490 for (i = 2; i < 0x7c ; i += 2) { 2491 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2492 continue; 2493 /* restore only accessible registers 2494 * some chip (e.g. nm256) may hang up when unsupported registers 2495 * are accessed..! 2496 */ 2497 if (test_bit(i, ac97->reg_accessed)) { 2498 snd_ac97_write(ac97, i, ac97->regs[i]); 2499 snd_ac97_read(ac97, i); 2500 } 2501 } 2502 } 2503 2504 /* 2505 * restore IEC958 status 2506 */ 2507 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2508 { 2509 if (ac97->ext_id & AC97_EI_SPDIF) { 2510 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2511 /* reset spdif status */ 2512 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2513 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2514 if (ac97->flags & AC97_CS_SPDIF) 2515 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2516 else 2517 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2518 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2519 } 2520 } 2521 } 2522 2523 /** 2524 * snd_ac97_resume - General resume function for AC97 codec 2525 * @ac97: the ac97 instance 2526 * 2527 * Do the standard resume procedure, power up and restoring the 2528 * old register values. 2529 */ 2530 void snd_ac97_resume(struct snd_ac97 *ac97) 2531 { 2532 unsigned long end_time; 2533 2534 if (! ac97) 2535 return; 2536 2537 if (ac97->bus->ops->reset) { 2538 ac97->bus->ops->reset(ac97); 2539 goto __reset_ready; 2540 } 2541 2542 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2543 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2544 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2545 snd_ac97_write(ac97, AC97_RESET, 0); 2546 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2547 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2548 udelay(100); 2549 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2550 } 2551 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2552 2553 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2554 if (ac97_is_audio(ac97)) { 2555 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2556 end_time = jiffies + msecs_to_jiffies(100); 2557 do { 2558 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2559 break; 2560 schedule_timeout_uninterruptible(1); 2561 } while (time_after_eq(end_time, jiffies)); 2562 /* FIXME: extra delay */ 2563 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO); 2564 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO) 2565 msleep(250); 2566 } else { 2567 end_time = jiffies + msecs_to_jiffies(100); 2568 do { 2569 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2570 if (val != 0xffff && (val & 1) != 0) 2571 break; 2572 schedule_timeout_uninterruptible(1); 2573 } while (time_after_eq(end_time, jiffies)); 2574 } 2575 __reset_ready: 2576 2577 if (ac97->bus->ops->init) 2578 ac97->bus->ops->init(ac97); 2579 2580 if (ac97->build_ops->resume) 2581 ac97->build_ops->resume(ac97); 2582 else { 2583 snd_ac97_restore_status(ac97); 2584 snd_ac97_restore_iec958(ac97); 2585 } 2586 } 2587 2588 EXPORT_SYMBOL(snd_ac97_resume); 2589 #endif 2590 2591 2592 /* 2593 * Hardware tuning 2594 */ 2595 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2596 { 2597 if (suffix) 2598 sprintf(dst, "%s %s", src, suffix); 2599 else 2600 strcpy(dst, src); 2601 } 2602 2603 /* remove the control with the given name and optional suffix */ 2604 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2605 const char *suffix) 2606 { 2607 struct snd_ctl_elem_id id; 2608 memset(&id, 0, sizeof(id)); 2609 set_ctl_name(id.name, name, suffix); 2610 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2611 return snd_ctl_remove_id(ac97->bus->card, &id); 2612 } 2613 2614 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2615 { 2616 struct snd_ctl_elem_id sid; 2617 memset(&sid, 0, sizeof(sid)); 2618 set_ctl_name(sid.name, name, suffix); 2619 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2620 return snd_ctl_find_id(ac97->bus->card, &sid); 2621 } 2622 2623 /* rename the control with the given name and optional suffix */ 2624 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2625 const char *dst, const char *suffix) 2626 { 2627 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2628 if (kctl) { 2629 set_ctl_name(kctl->id.name, dst, suffix); 2630 return 0; 2631 } 2632 return -ENOENT; 2633 } 2634 2635 /* rename both Volume and Switch controls - don't check the return value */ 2636 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2637 const char *dst) 2638 { 2639 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2640 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2641 } 2642 2643 /* swap controls */ 2644 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2645 const char *s2, const char *suffix) 2646 { 2647 struct snd_kcontrol *kctl1, *kctl2; 2648 kctl1 = ctl_find(ac97, s1, suffix); 2649 kctl2 = ctl_find(ac97, s2, suffix); 2650 if (kctl1 && kctl2) { 2651 set_ctl_name(kctl1->id.name, s2, suffix); 2652 set_ctl_name(kctl2->id.name, s1, suffix); 2653 return 0; 2654 } 2655 return -ENOENT; 2656 } 2657 2658 #if 1 2659 /* bind hp and master controls instead of using only hp control */ 2660 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2661 { 2662 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2663 if (err > 0) { 2664 unsigned long priv_saved = kcontrol->private_value; 2665 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2666 snd_ac97_put_volsw(kcontrol, ucontrol); 2667 kcontrol->private_value = priv_saved; 2668 } 2669 return err; 2670 } 2671 2672 /* ac97 tune: bind Master and Headphone controls */ 2673 static int tune_hp_only(struct snd_ac97 *ac97) 2674 { 2675 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2676 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2677 if (! msw || ! mvol) 2678 return -ENOENT; 2679 msw->put = bind_hp_volsw_put; 2680 mvol->put = bind_hp_volsw_put; 2681 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2682 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2683 return 0; 2684 } 2685 2686 #else 2687 /* ac97 tune: use Headphone control as master */ 2688 static int tune_hp_only(struct snd_ac97 *ac97) 2689 { 2690 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2691 return -ENOENT; 2692 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2693 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2694 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2695 return 0; 2696 } 2697 #endif 2698 2699 /* ac97 tune: swap Headphone and Master controls */ 2700 static int tune_swap_hp(struct snd_ac97 *ac97) 2701 { 2702 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2703 return -ENOENT; 2704 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2705 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2706 return 0; 2707 } 2708 2709 /* ac97 tune: swap Surround and Master controls */ 2710 static int tune_swap_surround(struct snd_ac97 *ac97) 2711 { 2712 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2713 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2714 return -ENOENT; 2715 return 0; 2716 } 2717 2718 /* ac97 tune: set up mic sharing for AD codecs */ 2719 static int tune_ad_sharing(struct snd_ac97 *ac97) 2720 { 2721 unsigned short scfg; 2722 if ((ac97->id & 0xffffff00) != 0x41445300) { 2723 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2724 return -EINVAL; 2725 } 2726 /* Turn on OMS bit to route microphone to back panel */ 2727 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2728 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2729 return 0; 2730 } 2731 2732 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2733 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2734 2735 /* ac97 tune: set up ALC jack-select */ 2736 static int tune_alc_jack(struct snd_ac97 *ac97) 2737 { 2738 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2739 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2740 return -EINVAL; 2741 } 2742 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2743 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2744 if (ac97->id == AC97_ID_ALC658D) 2745 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2746 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2747 } 2748 2749 /* ac97 tune: inversed EAPD bit */ 2750 static int tune_inv_eapd(struct snd_ac97 *ac97) 2751 { 2752 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2753 if (! kctl) 2754 return -ENOENT; 2755 set_inv_eapd(ac97, kctl); 2756 return 0; 2757 } 2758 2759 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2760 { 2761 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2762 if (err > 0) { 2763 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2764 int shift = (kcontrol->private_value >> 8) & 0x0f; 2765 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2766 unsigned short mask; 2767 if (shift != rshift) 2768 mask = AC97_MUTE_MASK_STEREO; 2769 else 2770 mask = AC97_MUTE_MASK_MONO; 2771 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2772 (ac97->regs[AC97_MASTER] & mask) == mask ? 2773 AC97_PD_EAPD : 0); 2774 } 2775 return err; 2776 } 2777 2778 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2779 static int tune_mute_led(struct snd_ac97 *ac97) 2780 { 2781 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2782 if (! msw) 2783 return -ENOENT; 2784 msw->put = master_mute_sw_put; 2785 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2786 snd_ac97_update_bits( 2787 ac97, AC97_POWERDOWN, 2788 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2789 ); 2790 ac97->scaps |= AC97_SCAP_EAPD_LED; 2791 return 0; 2792 } 2793 2794 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2795 struct snd_ctl_elem_value *ucontrol) 2796 { 2797 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2798 if (err > 0) { 2799 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2800 int shift = (kcontrol->private_value >> 8) & 0x0f; 2801 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2802 unsigned short mask; 2803 if (shift != rshift) 2804 mask = AC97_MUTE_MASK_STEREO; 2805 else 2806 mask = AC97_MUTE_MASK_MONO; 2807 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2808 (ac97->regs[AC97_MASTER] & mask) == mask ? 2809 AC97_PD_EAPD : 0); 2810 } 2811 return err; 2812 } 2813 2814 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2815 { 2816 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2817 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2818 if (! msw || ! mvol) 2819 return -ENOENT; 2820 msw->put = hp_master_mute_sw_put; 2821 mvol->put = bind_hp_volsw_put; 2822 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2823 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2824 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2825 snd_ac97_update_bits( 2826 ac97, AC97_POWERDOWN, 2827 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2828 ); 2829 return 0; 2830 } 2831 2832 struct quirk_table { 2833 const char *name; 2834 int (*func)(struct snd_ac97 *); 2835 }; 2836 2837 static struct quirk_table applicable_quirks[] = { 2838 { "none", NULL }, 2839 { "hp_only", tune_hp_only }, 2840 { "swap_hp", tune_swap_hp }, 2841 { "swap_surround", tune_swap_surround }, 2842 { "ad_sharing", tune_ad_sharing }, 2843 { "alc_jack", tune_alc_jack }, 2844 { "inv_eapd", tune_inv_eapd }, 2845 { "mute_led", tune_mute_led }, 2846 { "hp_mute_led", tune_hp_mute_led }, 2847 }; 2848 2849 /* apply the quirk with the given type */ 2850 static int apply_quirk(struct snd_ac97 *ac97, int type) 2851 { 2852 if (type <= 0) 2853 return 0; 2854 else if (type >= ARRAY_SIZE(applicable_quirks)) 2855 return -EINVAL; 2856 if (applicable_quirks[type].func) 2857 return applicable_quirks[type].func(ac97); 2858 return 0; 2859 } 2860 2861 /* apply the quirk with the given name */ 2862 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2863 { 2864 int i; 2865 struct quirk_table *q; 2866 2867 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2868 q = &applicable_quirks[i]; 2869 if (q->name && ! strcmp(typestr, q->name)) 2870 return apply_quirk(ac97, i); 2871 } 2872 /* for compatibility, accept the numbers, too */ 2873 if (*typestr >= '0' && *typestr <= '9') 2874 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2875 return -EINVAL; 2876 } 2877 2878 /** 2879 * snd_ac97_tune_hardware - tune up the hardware 2880 * @ac97: the ac97 instance 2881 * @quirk: quirk list 2882 * @override: explicit quirk value (overrides the list if non-NULL) 2883 * 2884 * Do some workaround for each pci device, such as renaming of the 2885 * headphone (true line-out) control as "Master". 2886 * The quirk-list must be terminated with a zero-filled entry. 2887 * 2888 * Returns zero if successful, or a negative error code on failure. 2889 */ 2890 2891 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) 2892 { 2893 int result; 2894 2895 /* quirk overriden? */ 2896 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2897 result = apply_quirk_str(ac97, override); 2898 if (result < 0) 2899 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2900 return result; 2901 } 2902 2903 if (! quirk) 2904 return -EINVAL; 2905 2906 for (; quirk->subvendor; quirk++) { 2907 if (quirk->subvendor != ac97->subsystem_vendor) 2908 continue; 2909 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2910 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2911 if (quirk->codec_id && quirk->codec_id != ac97->id) 2912 continue; 2913 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2914 result = apply_quirk(ac97, quirk->type); 2915 if (result < 0) 2916 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2917 return result; 2918 } 2919 } 2920 return 0; 2921 } 2922 2923 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2924 2925 /* 2926 * INIT part 2927 */ 2928 2929 static int __init alsa_ac97_init(void) 2930 { 2931 return 0; 2932 } 2933 2934 static void __exit alsa_ac97_exit(void) 2935 { 2936 } 2937 2938 module_init(alsa_ac97_init) 2939 module_exit(alsa_ac97_exit) 2940