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/moduleparam.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 int 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 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, 75 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, 76 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, 77 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, 78 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, 79 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, 80 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, 81 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, 82 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, 83 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, 84 { 0x50534300, 0xffffff00, "Philips", NULL, NULL }, 85 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, 86 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, 87 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, 88 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, 89 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, 90 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, 91 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, 92 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, 93 { 0, 0, NULL, NULL, NULL } 94 }; 95 96 static const struct ac97_codec_id snd_ac97_codec_ids[] = { 97 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, 98 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, 99 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, 100 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, 101 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, 102 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, 103 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, 104 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, 105 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, 106 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, 107 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, 108 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, 109 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL }, 110 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, 111 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, 112 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, 113 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, 114 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, 115 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, 116 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, 117 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ 118 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ 119 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ 120 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, 121 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 122 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 123 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 124 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, 125 { 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL }, 126 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ 127 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 128 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 129 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, 130 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, 131 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, 132 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL }, 133 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL }, 134 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL }, 135 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, 136 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, 137 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, 138 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, 139 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, 140 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, 141 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, 142 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, 143 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, 144 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II 145 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different 146 { 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL }, 147 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL }, 148 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 149 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028? 150 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 151 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 152 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 153 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 154 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 155 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 156 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 157 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 158 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 159 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 160 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 161 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix 162 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL }, 163 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 164 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 165 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL }, 166 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 167 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 168 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 169 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 170 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 171 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 172 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL }, 173 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 174 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL }, 175 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 176 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 177 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 178 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 179 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL}, 180 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 181 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL }, 182 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 183 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 184 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 185 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 186 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 187 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 188 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 189 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 190 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 191 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 192 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 193 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 194 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 195 { 0, 0, NULL, NULL, NULL } 196 }; 197 198 199 static void update_power_regs(struct snd_ac97 *ac97); 200 #ifdef CONFIG_SND_AC97_POWER_SAVE 201 #define ac97_is_power_save_mode(ac97) \ 202 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save) 203 #else 204 #define ac97_is_power_save_mode(ac97) 0 205 #endif 206 207 208 /* 209 * I/O routines 210 */ 211 212 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 213 { 214 /* filter some registers for buggy codecs */ 215 switch (ac97->id) { 216 case AC97_ID_AK4540: 217 case AC97_ID_AK4542: 218 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 219 return 1; 220 return 0; 221 case AC97_ID_AD1819: /* AD1819 */ 222 case AC97_ID_AD1881: /* AD1881 */ 223 case AC97_ID_AD1881A: /* AD1881A */ 224 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 225 return 0; 226 return 1; 227 case AC97_ID_AD1885: /* AD1885 */ 228 case AC97_ID_AD1886: /* AD1886 */ 229 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 230 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 231 if (reg == 0x5a) 232 return 1; 233 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 234 return 0; 235 return 1; 236 case AC97_ID_STAC9700: 237 case AC97_ID_STAC9704: 238 case AC97_ID_STAC9705: 239 case AC97_ID_STAC9708: 240 case AC97_ID_STAC9721: 241 case AC97_ID_STAC9744: 242 case AC97_ID_STAC9756: 243 if (reg <= 0x3a || reg >= 0x5a) 244 return 1; 245 return 0; 246 } 247 return 1; 248 } 249 250 /** 251 * snd_ac97_write - write a value on the given register 252 * @ac97: the ac97 instance 253 * @reg: the register to change 254 * @value: the value to set 255 * 256 * Writes a value on the given register. This will invoke the write 257 * callback directly after the register check. 258 * This function doesn't change the register cache unlike 259 * #snd_ca97_write_cache(), so use this only when you don't want to 260 * reflect the change to the suspend/resume state. 261 */ 262 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 263 { 264 if (!snd_ac97_valid_reg(ac97, reg)) 265 return; 266 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 267 /* Fix H/W bug of ALC100/100P */ 268 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 269 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 270 } 271 ac97->bus->ops->write(ac97, reg, value); 272 } 273 274 EXPORT_SYMBOL(snd_ac97_write); 275 276 /** 277 * snd_ac97_read - read a value from the given register 278 * 279 * @ac97: the ac97 instance 280 * @reg: the register to read 281 * 282 * Reads a value from the given register. This will invoke the read 283 * callback directly after the register check. 284 * 285 * Returns the read value. 286 */ 287 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 288 { 289 if (!snd_ac97_valid_reg(ac97, reg)) 290 return 0; 291 return ac97->bus->ops->read(ac97, reg); 292 } 293 294 /* read a register - return the cached value if already read */ 295 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 296 { 297 if (! test_bit(reg, ac97->reg_accessed)) { 298 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 299 // set_bit(reg, ac97->reg_accessed); 300 } 301 return ac97->regs[reg]; 302 } 303 304 EXPORT_SYMBOL(snd_ac97_read); 305 306 /** 307 * snd_ac97_write_cache - write a value on the given register and update the cache 308 * @ac97: the ac97 instance 309 * @reg: the register to change 310 * @value: the value to set 311 * 312 * Writes a value on the given register and updates the register 313 * cache. The cached values are used for the cached-read and the 314 * suspend/resume. 315 */ 316 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 317 { 318 if (!snd_ac97_valid_reg(ac97, reg)) 319 return; 320 mutex_lock(&ac97->reg_mutex); 321 ac97->regs[reg] = value; 322 ac97->bus->ops->write(ac97, reg, value); 323 set_bit(reg, ac97->reg_accessed); 324 mutex_unlock(&ac97->reg_mutex); 325 } 326 327 EXPORT_SYMBOL(snd_ac97_write_cache); 328 329 /** 330 * snd_ac97_update - update the value on the given register 331 * @ac97: the ac97 instance 332 * @reg: the register to change 333 * @value: the value to set 334 * 335 * Compares the value with the register cache and updates the value 336 * only when the value is changed. 337 * 338 * Returns 1 if the value is changed, 0 if no change, or a negative 339 * code on failure. 340 */ 341 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 342 { 343 int change; 344 345 if (!snd_ac97_valid_reg(ac97, reg)) 346 return -EINVAL; 347 mutex_lock(&ac97->reg_mutex); 348 change = ac97->regs[reg] != value; 349 if (change) { 350 ac97->regs[reg] = value; 351 ac97->bus->ops->write(ac97, reg, value); 352 } 353 set_bit(reg, ac97->reg_accessed); 354 mutex_unlock(&ac97->reg_mutex); 355 return change; 356 } 357 358 EXPORT_SYMBOL(snd_ac97_update); 359 360 /** 361 * snd_ac97_update_bits - update the bits on the given register 362 * @ac97: the ac97 instance 363 * @reg: the register to change 364 * @mask: the bit-mask to change 365 * @value: the value to set 366 * 367 * Updates the masked-bits on the given register only when the value 368 * is changed. 369 * 370 * Returns 1 if the bits are changed, 0 if no change, or a negative 371 * code on failure. 372 */ 373 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 374 { 375 int change; 376 377 if (!snd_ac97_valid_reg(ac97, reg)) 378 return -EINVAL; 379 mutex_lock(&ac97->reg_mutex); 380 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 381 mutex_unlock(&ac97->reg_mutex); 382 return change; 383 } 384 385 EXPORT_SYMBOL(snd_ac97_update_bits); 386 387 /* no lock version - see snd_ac97_update_bits() */ 388 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 389 unsigned short mask, unsigned short value) 390 { 391 int change; 392 unsigned short old, new; 393 394 old = snd_ac97_read_cache(ac97, reg); 395 new = (old & ~mask) | (value & mask); 396 change = old != new; 397 if (change) { 398 ac97->regs[reg] = new; 399 ac97->bus->ops->write(ac97, reg, new); 400 } 401 set_bit(reg, ac97->reg_accessed); 402 return change; 403 } 404 405 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 406 { 407 int change; 408 unsigned short old, new, cfg; 409 410 mutex_lock(&ac97->page_mutex); 411 old = ac97->spec.ad18xx.pcmreg[codec]; 412 new = (old & ~mask) | (value & mask); 413 change = old != new; 414 if (change) { 415 mutex_lock(&ac97->reg_mutex); 416 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 417 ac97->spec.ad18xx.pcmreg[codec] = new; 418 /* select single codec */ 419 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 420 (cfg & ~0x7000) | 421 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 422 /* update PCM bits */ 423 ac97->bus->ops->write(ac97, AC97_PCM, new); 424 /* select all codecs */ 425 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 426 cfg | 0x7000); 427 mutex_unlock(&ac97->reg_mutex); 428 } 429 mutex_unlock(&ac97->page_mutex); 430 return change; 431 } 432 433 /* 434 * Controls 435 */ 436 437 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, 438 struct snd_ctl_elem_info *uinfo) 439 { 440 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 441 442 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 443 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 444 uinfo->value.enumerated.items = e->mask; 445 446 if (uinfo->value.enumerated.item > e->mask - 1) 447 uinfo->value.enumerated.item = e->mask - 1; 448 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 449 return 0; 450 } 451 452 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, 453 struct snd_ctl_elem_value *ucontrol) 454 { 455 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 456 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 457 unsigned short val, bitmask; 458 459 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 460 ; 461 val = snd_ac97_read_cache(ac97, e->reg); 462 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 463 if (e->shift_l != e->shift_r) 464 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 465 466 return 0; 467 } 468 469 static int snd_ac97_put_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; 475 unsigned short mask, bitmask; 476 477 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 478 ; 479 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 480 return -EINVAL; 481 val = ucontrol->value.enumerated.item[0] << e->shift_l; 482 mask = (bitmask - 1) << e->shift_l; 483 if (e->shift_l != e->shift_r) { 484 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 485 return -EINVAL; 486 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 487 mask |= (bitmask - 1) << e->shift_r; 488 } 489 return snd_ac97_update_bits(ac97, e->reg, mask, val); 490 } 491 492 /* save/restore ac97 v2.3 paging */ 493 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 494 { 495 int page_save = -1; 496 if ((kcontrol->private_value & (1<<25)) && 497 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 498 (reg >= 0x60 && reg < 0x70)) { 499 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 500 mutex_lock(&ac97->page_mutex); /* lock paging */ 501 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 502 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 503 } 504 return page_save; 505 } 506 507 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 508 { 509 if (page_save >= 0) { 510 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 511 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 512 } 513 } 514 515 /* volume and switch controls */ 516 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, 517 struct snd_ctl_elem_info *uinfo) 518 { 519 int mask = (kcontrol->private_value >> 16) & 0xff; 520 int shift = (kcontrol->private_value >> 8) & 0x0f; 521 int rshift = (kcontrol->private_value >> 12) & 0x0f; 522 523 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 524 uinfo->count = shift == rshift ? 1 : 2; 525 uinfo->value.integer.min = 0; 526 uinfo->value.integer.max = mask; 527 return 0; 528 } 529 530 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, 531 struct snd_ctl_elem_value *ucontrol) 532 { 533 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 534 int reg = kcontrol->private_value & 0xff; 535 int shift = (kcontrol->private_value >> 8) & 0x0f; 536 int rshift = (kcontrol->private_value >> 12) & 0x0f; 537 int mask = (kcontrol->private_value >> 16) & 0xff; 538 int invert = (kcontrol->private_value >> 24) & 0x01; 539 int page_save; 540 541 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 542 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 543 if (shift != rshift) 544 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 545 if (invert) { 546 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 547 if (shift != rshift) 548 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 549 } 550 snd_ac97_page_restore(ac97, page_save); 551 return 0; 552 } 553 554 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, 555 struct snd_ctl_elem_value *ucontrol) 556 { 557 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 558 int reg = kcontrol->private_value & 0xff; 559 int shift = (kcontrol->private_value >> 8) & 0x0f; 560 int rshift = (kcontrol->private_value >> 12) & 0x0f; 561 int mask = (kcontrol->private_value >> 16) & 0xff; 562 int invert = (kcontrol->private_value >> 24) & 0x01; 563 int err, page_save; 564 unsigned short val, val2, val_mask; 565 566 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 567 val = (ucontrol->value.integer.value[0] & mask); 568 if (invert) 569 val = mask - val; 570 val_mask = mask << shift; 571 val = val << shift; 572 if (shift != rshift) { 573 val2 = (ucontrol->value.integer.value[1] & mask); 574 if (invert) 575 val2 = mask - val2; 576 val_mask |= mask << rshift; 577 val |= val2 << rshift; 578 } 579 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 580 snd_ac97_page_restore(ac97, page_save); 581 #ifdef CONFIG_SND_AC97_POWER_SAVE 582 /* check analog mixer power-down */ 583 if ((val_mask & 0x8000) && 584 (kcontrol->private_value & (1<<30))) { 585 if (val & 0x8000) 586 ac97->power_up &= ~(1 << (reg>>1)); 587 else 588 ac97->power_up |= 1 << (reg>>1); 589 update_power_regs(ac97); 590 } 591 #endif 592 return err; 593 } 594 595 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 596 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 597 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 598 }; 599 600 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 601 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 602 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 603 }; 604 605 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 606 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), 607 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) 608 }; 609 610 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 611 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 612 613 614 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 615 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 616 static const char* std_mix[] = {"Mix", "Mic"}; 617 static const char* std_mic[] = {"Mic1", "Mic2"}; 618 619 static const struct ac97_enum std_enum[] = { 620 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 621 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 622 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 623 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 624 }; 625 626 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 627 AC97_ENUM("Capture Source", std_enum[0]); 628 629 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 630 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 631 632 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 633 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 634 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 635 }; 636 637 enum { 638 AC97_GENERAL_PCM_OUT = 0, 639 AC97_GENERAL_STEREO_ENHANCEMENT, 640 AC97_GENERAL_3D, 641 AC97_GENERAL_LOUDNESS, 642 AC97_GENERAL_MONO, 643 AC97_GENERAL_MIC, 644 AC97_GENERAL_LOOPBACK 645 }; 646 647 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 648 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 649 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 650 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 651 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 652 AC97_ENUM("Mono Output Select", std_enum[2]), 653 AC97_ENUM("Mic Select", std_enum[3]), 654 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 655 }; 656 657 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 658 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 659 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 660 }; 661 662 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 663 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 664 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 665 }; 666 667 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 668 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 669 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 670 }; 671 672 static const struct snd_kcontrol_new snd_ac97_control_eapd = 673 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 674 675 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 676 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 677 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 678 }; 679 680 /* change the existing EAPD control as inverted */ 681 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 682 { 683 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 684 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 685 ac97->scaps |= AC97_SCAP_INV_EAPD; 686 } 687 688 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 689 { 690 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 691 uinfo->count = 1; 692 return 0; 693 } 694 695 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 696 { 697 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 698 IEC958_AES0_NONAUDIO | 699 IEC958_AES0_CON_EMPHASIS_5015 | 700 IEC958_AES0_CON_NOT_COPYRIGHT; 701 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 702 IEC958_AES1_CON_ORIGINAL; 703 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 704 return 0; 705 } 706 707 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 708 { 709 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 710 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 711 IEC958_AES0_NONAUDIO | 712 IEC958_AES0_PRO_FS | 713 IEC958_AES0_PRO_EMPHASIS_5015; 714 return 0; 715 } 716 717 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 718 { 719 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 720 721 mutex_lock(&ac97->reg_mutex); 722 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 723 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 724 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 725 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 726 mutex_unlock(&ac97->reg_mutex); 727 return 0; 728 } 729 730 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 731 { 732 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 733 unsigned int new = 0; 734 unsigned short val = 0; 735 int change; 736 737 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 738 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 739 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 740 switch (new & IEC958_AES0_PRO_FS) { 741 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 742 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 743 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 744 default: val |= 1<<12; break; 745 } 746 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 747 val |= 1<<3; 748 } else { 749 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 750 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 751 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 752 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 753 val |= 1<<3; 754 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 755 val |= 1<<2; 756 val |= ((new >> 8) & 0xff) << 4; // category + original 757 switch ((new >> 24) & 0xff) { 758 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 759 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 760 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 761 default: val |= 1<<12; break; 762 } 763 } 764 765 mutex_lock(&ac97->reg_mutex); 766 change = ac97->spdif_status != new; 767 ac97->spdif_status = new; 768 769 if (ac97->flags & AC97_CS_SPDIF) { 770 int x = (val >> 12) & 0x03; 771 switch (x) { 772 case 0: x = 1; break; // 44.1 773 case 2: x = 0; break; // 48.0 774 default: x = 0; break; // illegal. 775 } 776 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 777 } else if (ac97->flags & AC97_CX_SPDIF) { 778 int v; 779 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 780 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 781 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 782 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 783 v); 784 } else if (ac97->id == AC97_ID_YMF743) { 785 change |= snd_ac97_update_bits_nolock(ac97, 786 AC97_YMF7X3_DIT_CTRL, 787 0xff38, 788 ((val << 4) & 0xff00) | 789 ((val << 2) & 0x0038)); 790 } else { 791 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 792 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 793 794 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 795 if (extst & AC97_EA_SPDIF) { 796 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 797 } 798 } 799 mutex_unlock(&ac97->reg_mutex); 800 801 return change; 802 } 803 804 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 805 { 806 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 807 int reg = kcontrol->private_value & 0xff; 808 int shift = (kcontrol->private_value >> 8) & 0xff; 809 int mask = (kcontrol->private_value >> 16) & 0xff; 810 // int invert = (kcontrol->private_value >> 24) & 0xff; 811 unsigned short value, old, new; 812 int change; 813 814 value = (ucontrol->value.integer.value[0] & mask); 815 816 mutex_lock(&ac97->reg_mutex); 817 mask <<= shift; 818 value <<= shift; 819 old = snd_ac97_read_cache(ac97, reg); 820 new = (old & ~mask) | value; 821 change = old != new; 822 823 if (change) { 824 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 825 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 826 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 827 if (extst & AC97_EA_SPDIF) 828 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 829 } 830 mutex_unlock(&ac97->reg_mutex); 831 return change; 832 } 833 834 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 835 { 836 .access = SNDRV_CTL_ELEM_ACCESS_READ, 837 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 838 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 839 .info = snd_ac97_spdif_mask_info, 840 .get = snd_ac97_spdif_cmask_get, 841 }, 842 { 843 .access = SNDRV_CTL_ELEM_ACCESS_READ, 844 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 845 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 846 .info = snd_ac97_spdif_mask_info, 847 .get = snd_ac97_spdif_pmask_get, 848 }, 849 { 850 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 851 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 852 .info = snd_ac97_spdif_mask_info, 853 .get = snd_ac97_spdif_default_get, 854 .put = snd_ac97_spdif_default_put, 855 }, 856 857 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 858 { 859 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 860 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 861 .info = snd_ac97_info_volsw, 862 .get = snd_ac97_get_volsw, 863 .put = snd_ac97_put_spsa, 864 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 865 }, 866 }; 867 868 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 869 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 870 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 871 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 872 873 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 874 { 875 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 876 int mask = (kcontrol->private_value >> 16) & 0x0f; 877 int lshift = (kcontrol->private_value >> 8) & 0x0f; 878 int rshift = (kcontrol->private_value >> 12) & 0x0f; 879 880 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 881 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 882 uinfo->count = 2; 883 else 884 uinfo->count = 1; 885 uinfo->value.integer.min = 0; 886 uinfo->value.integer.max = mask; 887 return 0; 888 } 889 890 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 891 { 892 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 893 int codec = kcontrol->private_value & 3; 894 int lshift = (kcontrol->private_value >> 8) & 0x0f; 895 int rshift = (kcontrol->private_value >> 12) & 0x0f; 896 int mask = (kcontrol->private_value >> 16) & 0xff; 897 898 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 899 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 900 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 901 return 0; 902 } 903 904 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 905 { 906 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 907 int codec = kcontrol->private_value & 3; 908 int lshift = (kcontrol->private_value >> 8) & 0x0f; 909 int rshift = (kcontrol->private_value >> 12) & 0x0f; 910 int mask = (kcontrol->private_value >> 16) & 0xff; 911 unsigned short val, valmask; 912 913 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 914 valmask = mask << lshift; 915 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 916 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 917 valmask |= mask << rshift; 918 } 919 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 920 } 921 922 #define AD18XX_PCM_VOLUME(xname, codec) \ 923 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 924 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 925 .private_value = codec } 926 927 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 928 { 929 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 930 uinfo->count = 2; 931 uinfo->value.integer.min = 0; 932 uinfo->value.integer.max = 31; 933 return 0; 934 } 935 936 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 937 { 938 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 939 int codec = kcontrol->private_value & 3; 940 941 mutex_lock(&ac97->page_mutex); 942 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 943 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 944 mutex_unlock(&ac97->page_mutex); 945 return 0; 946 } 947 948 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 949 { 950 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 951 int codec = kcontrol->private_value & 3; 952 unsigned short val1, val2; 953 954 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 955 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 956 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 957 } 958 959 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 960 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 961 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 962 }; 963 964 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 965 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 966 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 967 }; 968 969 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 970 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 971 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 972 }; 973 974 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 975 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 976 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 977 }; 978 979 /* 980 * 981 */ 982 983 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 984 985 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 986 { 987 if (bus) { 988 snd_ac97_bus_proc_done(bus); 989 kfree(bus->pcms); 990 if (bus->private_free) 991 bus->private_free(bus); 992 kfree(bus); 993 } 994 return 0; 995 } 996 997 static int snd_ac97_bus_dev_free(struct snd_device *device) 998 { 999 struct snd_ac97_bus *bus = device->device_data; 1000 return snd_ac97_bus_free(bus); 1001 } 1002 1003 static int snd_ac97_free(struct snd_ac97 *ac97) 1004 { 1005 if (ac97) { 1006 #ifdef CONFIG_SND_AC97_POWER_SAVE 1007 cancel_delayed_work(&ac97->power_work); 1008 flush_scheduled_work(); 1009 #endif 1010 snd_ac97_proc_done(ac97); 1011 if (ac97->bus) 1012 ac97->bus->codec[ac97->num] = NULL; 1013 if (ac97->private_free) 1014 ac97->private_free(ac97); 1015 kfree(ac97); 1016 } 1017 return 0; 1018 } 1019 1020 static int snd_ac97_dev_free(struct snd_device *device) 1021 { 1022 struct snd_ac97 *ac97 = device->device_data; 1023 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1024 return snd_ac97_free(ac97); 1025 } 1026 1027 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1028 { 1029 unsigned short val, mask = 0x8000; 1030 1031 if (! snd_ac97_valid_reg(ac97, reg)) 1032 return 0; 1033 1034 switch (reg) { 1035 case AC97_MASTER_TONE: 1036 return ac97->caps & 0x04 ? 1 : 0; 1037 case AC97_HEADPHONE: 1038 return ac97->caps & 0x10 ? 1 : 0; 1039 case AC97_REC_GAIN_MIC: 1040 return ac97->caps & 0x01 ? 1 : 0; 1041 case AC97_3D_CONTROL: 1042 if (ac97->caps & 0x7c00) { 1043 val = snd_ac97_read(ac97, reg); 1044 /* if nonzero - fixed and we can't set it */ 1045 return val == 0; 1046 } 1047 return 0; 1048 case AC97_CENTER_LFE_MASTER: /* center */ 1049 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1050 return 0; 1051 break; 1052 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1053 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1054 return 0; 1055 reg = AC97_CENTER_LFE_MASTER; 1056 mask = 0x0080; 1057 break; 1058 case AC97_SURROUND_MASTER: 1059 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1060 return 0; 1061 break; 1062 } 1063 1064 val = snd_ac97_read(ac97, reg); 1065 if (!(val & mask)) { 1066 /* nothing seems to be here - mute flag is not set */ 1067 /* try another test */ 1068 snd_ac97_write_cache(ac97, reg, val | mask); 1069 val = snd_ac97_read(ac97, reg); 1070 val = snd_ac97_read(ac97, reg); 1071 if (!(val & mask)) 1072 return 0; /* nothing here */ 1073 } 1074 return 1; /* success, useable */ 1075 } 1076 1077 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1078 { 1079 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1080 unsigned char max[3] = { 63, 31, 15 }; 1081 int i; 1082 1083 /* first look up the static resolution table */ 1084 if (ac97->res_table) { 1085 const struct snd_ac97_res_table *tbl; 1086 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1087 if (tbl->reg == reg) { 1088 *lo_max = tbl->bits & 0xff; 1089 *hi_max = (tbl->bits >> 8) & 0xff; 1090 return; 1091 } 1092 } 1093 } 1094 1095 *lo_max = *hi_max = 0; 1096 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1097 unsigned short val; 1098 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); 1099 /* Do the read twice due to buffers on some ac97 codecs. 1100 * e.g. The STAC9704 returns exactly what you wrote to the register 1101 * if you read it immediately. This causes the detect routine to fail. 1102 */ 1103 val = snd_ac97_read(ac97, reg); 1104 val = snd_ac97_read(ac97, reg); 1105 if (! *lo_max && (val & 0x7f) == cbit[i]) 1106 *lo_max = max[i]; 1107 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1108 *hi_max = max[i]; 1109 if (*lo_max && *hi_max) 1110 break; 1111 } 1112 } 1113 1114 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1115 { 1116 unsigned short mask, val, orig, res; 1117 1118 mask = 1 << bit; 1119 orig = snd_ac97_read(ac97, reg); 1120 val = orig ^ mask; 1121 snd_ac97_write(ac97, reg, val); 1122 res = snd_ac97_read(ac97, reg); 1123 snd_ac97_write_cache(ac97, reg, orig); 1124 return res == val; 1125 } 1126 1127 /* check the volume resolution of center/lfe */ 1128 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1129 { 1130 unsigned short val, val1; 1131 1132 *max = 63; 1133 val = 0x8080 | (0x20 << shift); 1134 snd_ac97_write(ac97, reg, val); 1135 val1 = snd_ac97_read(ac97, reg); 1136 if (val != val1) { 1137 *max = 31; 1138 } 1139 /* reset volume to zero */ 1140 snd_ac97_write_cache(ac97, reg, 0x8080); 1141 } 1142 1143 static inline int printable(unsigned int x) 1144 { 1145 x &= 0xff; 1146 if (x < ' ' || x >= 0x71) { 1147 if (x <= 0x89) 1148 return x - 0x71 + 'A'; 1149 return '?'; 1150 } 1151 return x; 1152 } 1153 1154 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, 1155 struct snd_ac97 * ac97) 1156 { 1157 struct snd_kcontrol_new template; 1158 memcpy(&template, _template, sizeof(template)); 1159 template.index = ac97->num; 1160 return snd_ctl_new1(&template, ac97); 1161 } 1162 1163 /* 1164 * create mute switch(es) for normal stereo controls 1165 */ 1166 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1167 int check_stereo, int check_amix, 1168 struct snd_ac97 *ac97) 1169 { 1170 struct snd_kcontrol *kctl; 1171 int err; 1172 unsigned short val, val1, mute_mask; 1173 1174 if (! snd_ac97_valid_reg(ac97, reg)) 1175 return 0; 1176 1177 mute_mask = 0x8000; 1178 val = snd_ac97_read(ac97, reg); 1179 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1180 /* check whether both mute bits work */ 1181 val1 = val | 0x8080; 1182 snd_ac97_write(ac97, reg, val1); 1183 if (val1 == snd_ac97_read(ac97, reg)) 1184 mute_mask = 0x8080; 1185 } 1186 if (mute_mask == 0x8080) { 1187 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1188 if (check_amix) 1189 tmp.private_value |= (1 << 30); 1190 tmp.index = ac97->num; 1191 kctl = snd_ctl_new1(&tmp, ac97); 1192 } else { 1193 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1194 if (check_amix) 1195 tmp.private_value |= (1 << 30); 1196 tmp.index = ac97->num; 1197 kctl = snd_ctl_new1(&tmp, ac97); 1198 } 1199 err = snd_ctl_add(card, kctl); 1200 if (err < 0) 1201 return err; 1202 /* mute as default */ 1203 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1204 return 0; 1205 } 1206 1207 /* 1208 * set dB information 1209 */ 1210 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1211 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1212 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1213 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1214 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1215 1216 static const unsigned int *find_db_scale(unsigned int maxval) 1217 { 1218 switch (maxval) { 1219 case 0x0f: return db_scale_4bit; 1220 case 0x1f: return db_scale_5bit; 1221 case 0x3f: return db_scale_6bit; 1222 } 1223 return NULL; 1224 } 1225 1226 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1227 { 1228 kctl->tlv.p = tlv; 1229 if (tlv) 1230 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1231 } 1232 1233 /* 1234 * create a volume for normal stereo/mono controls 1235 */ 1236 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1237 unsigned int hi_max, struct snd_ac97 *ac97) 1238 { 1239 int err; 1240 struct snd_kcontrol *kctl; 1241 1242 if (! snd_ac97_valid_reg(ac97, reg)) 1243 return 0; 1244 if (hi_max) { 1245 /* invert */ 1246 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1247 tmp.index = ac97->num; 1248 kctl = snd_ctl_new1(&tmp, ac97); 1249 } else { 1250 /* invert */ 1251 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1252 tmp.index = ac97->num; 1253 kctl = snd_ctl_new1(&tmp, ac97); 1254 } 1255 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1256 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1257 else 1258 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1259 err = snd_ctl_add(card, kctl); 1260 if (err < 0) 1261 return err; 1262 snd_ac97_write_cache(ac97, reg, 1263 (snd_ac97_read(ac97, reg) & 0x8080) | 1264 lo_max | (hi_max << 8)); 1265 return 0; 1266 } 1267 1268 /* 1269 * create a mute-switch and a volume for normal stereo/mono controls 1270 */ 1271 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1272 int reg, int check_stereo, int check_amix, 1273 struct snd_ac97 *ac97) 1274 { 1275 int err; 1276 char name[44]; 1277 unsigned char lo_max, hi_max; 1278 1279 if (! snd_ac97_valid_reg(ac97, reg)) 1280 return 0; 1281 1282 if (snd_ac97_try_bit(ac97, reg, 15)) { 1283 sprintf(name, "%s Switch", pfx); 1284 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, 1285 check_stereo, check_amix, 1286 ac97)) < 0) 1287 return err; 1288 } 1289 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1290 if (lo_max) { 1291 sprintf(name, "%s Volume", pfx); 1292 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1293 return err; 1294 } 1295 return 0; 1296 } 1297 1298 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1299 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1300 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1301 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1302 1303 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1304 1305 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1306 { 1307 struct snd_card *card = ac97->bus->card; 1308 struct snd_kcontrol *kctl; 1309 int err; 1310 unsigned int idx; 1311 unsigned char max; 1312 1313 /* build master controls */ 1314 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1315 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1316 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1317 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1318 AC97_MASTER, 0, ac97); 1319 else 1320 err = snd_ac97_cmix_new(card, "Master Playback", 1321 AC97_MASTER, 0, ac97); 1322 if (err < 0) 1323 return err; 1324 } 1325 1326 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; 1327 1328 /* build center controls */ 1329 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1330 && !(ac97->flags & AC97_AD_MULTI)) { 1331 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1332 return err; 1333 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1334 return err; 1335 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1336 kctl->private_value &= ~(0xff << 16); 1337 kctl->private_value |= (int)max << 16; 1338 set_tlv_db_scale(kctl, find_db_scale(max)); 1339 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1340 } 1341 1342 /* build LFE controls */ 1343 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1344 && !(ac97->flags & AC97_AD_MULTI)) { 1345 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1346 return err; 1347 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1348 return err; 1349 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1350 kctl->private_value &= ~(0xff << 16); 1351 kctl->private_value |= (int)max << 16; 1352 set_tlv_db_scale(kctl, find_db_scale(max)); 1353 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1354 } 1355 1356 /* build surround controls */ 1357 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1358 && !(ac97->flags & AC97_AD_MULTI)) { 1359 /* Surround Master (0x38) is with stereo mutes */ 1360 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1361 AC97_SURROUND_MASTER, 1, 0, 1362 ac97)) < 0) 1363 return err; 1364 } 1365 1366 /* build headphone controls */ 1367 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1368 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", 1369 AC97_HEADPHONE, 0, ac97)) < 0) 1370 return err; 1371 } 1372 1373 /* build master mono controls */ 1374 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1375 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", 1376 AC97_MASTER_MONO, 0, ac97)) < 0) 1377 return err; 1378 } 1379 1380 /* build master tone controls */ 1381 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1382 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1383 for (idx = 0; idx < 2; idx++) { 1384 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1385 return err; 1386 if (ac97->id == AC97_ID_YMF743 || 1387 ac97->id == AC97_ID_YMF753) { 1388 kctl->private_value &= ~(0xff << 16); 1389 kctl->private_value |= 7 << 16; 1390 } 1391 } 1392 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1393 } 1394 } 1395 1396 /* build PC Speaker controls */ 1397 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1398 ((ac97->flags & AC97_HAS_PC_BEEP) || 1399 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1400 for (idx = 0; idx < 2; idx++) 1401 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1402 return err; 1403 set_tlv_db_scale(kctl, db_scale_4bit); 1404 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 1405 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); 1406 } 1407 1408 /* build Phone controls */ 1409 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1410 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1411 if ((err = snd_ac97_cmix_new(card, "Phone Playback", 1412 AC97_PHONE, 1, ac97)) < 0) 1413 return err; 1414 } 1415 } 1416 1417 /* build MIC controls */ 1418 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1419 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1420 if ((err = snd_ac97_cmix_new(card, "Mic Playback", 1421 AC97_MIC, 1, ac97)) < 0) 1422 return err; 1423 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1424 return err; 1425 } 1426 } 1427 1428 /* build Line controls */ 1429 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1430 if ((err = snd_ac97_cmix_new(card, "Line Playback", 1431 AC97_LINE, 1, ac97)) < 0) 1432 return err; 1433 } 1434 1435 /* build CD controls */ 1436 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1437 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1438 if ((err = snd_ac97_cmix_new(card, "CD Playback", 1439 AC97_CD, 1, ac97)) < 0) 1440 return err; 1441 } 1442 } 1443 1444 /* build Video controls */ 1445 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1446 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1447 if ((err = snd_ac97_cmix_new(card, "Video Playback", 1448 AC97_VIDEO, 1, ac97)) < 0) 1449 return err; 1450 } 1451 } 1452 1453 /* build Aux controls */ 1454 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1455 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1456 if ((err = snd_ac97_cmix_new(card, "Aux Playback", 1457 AC97_AUX, 1, ac97)) < 0) 1458 return err; 1459 } 1460 } 1461 1462 /* build PCM controls */ 1463 if (ac97->flags & AC97_AD_MULTI) { 1464 unsigned short init_val; 1465 if (ac97->flags & AC97_STEREO_MUTES) 1466 init_val = 0x9f9f; 1467 else 1468 init_val = 0x9f1f; 1469 for (idx = 0; idx < 2; idx++) 1470 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1471 return err; 1472 set_tlv_db_scale(kctl, db_scale_5bit); 1473 ac97->spec.ad18xx.pcmreg[0] = init_val; 1474 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1475 for (idx = 0; idx < 2; idx++) 1476 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1477 return err; 1478 set_tlv_db_scale(kctl, db_scale_5bit); 1479 ac97->spec.ad18xx.pcmreg[1] = init_val; 1480 } 1481 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1482 for (idx = 0; idx < 2; idx++) 1483 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1484 return err; 1485 set_tlv_db_scale(kctl, db_scale_5bit); 1486 for (idx = 0; idx < 2; idx++) 1487 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1488 return err; 1489 set_tlv_db_scale(kctl, db_scale_5bit); 1490 ac97->spec.ad18xx.pcmreg[2] = init_val; 1491 } 1492 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1493 } else { 1494 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1495 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1496 err = snd_ac97_cmute_new(card, 1497 "PCM Playback Switch", 1498 AC97_PCM, 0, ac97); 1499 else 1500 err = snd_ac97_cmix_new(card, "PCM Playback", 1501 AC97_PCM, 0, ac97); 1502 if (err < 0) 1503 return err; 1504 } 1505 } 1506 1507 /* build Capture controls */ 1508 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1509 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1510 return err; 1511 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1512 err = snd_ac97_cmute_new(card, "Capture Switch", 1513 AC97_REC_GAIN, 0, ac97); 1514 if (err < 0) 1515 return err; 1516 } 1517 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1518 return err; 1519 set_tlv_db_scale(kctl, db_scale_rec_gain); 1520 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1521 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1522 } 1523 /* build MIC Capture controls */ 1524 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1525 for (idx = 0; idx < 2; idx++) 1526 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1527 return err; 1528 set_tlv_db_scale(kctl, db_scale_rec_gain); 1529 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1530 } 1531 1532 /* build PCM out path & mute control */ 1533 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1534 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1535 return err; 1536 } 1537 1538 /* build Simulated Stereo Enhancement control */ 1539 if (ac97->caps & 0x0008) { 1540 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1541 return err; 1542 } 1543 1544 /* build 3D Stereo Enhancement control */ 1545 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1546 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1547 return err; 1548 } 1549 1550 /* build Loudness control */ 1551 if (ac97->caps & 0x0020) { 1552 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1553 return err; 1554 } 1555 1556 /* build Mono output select control */ 1557 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1558 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1559 return err; 1560 } 1561 1562 /* build Mic select control */ 1563 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1564 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1565 return err; 1566 } 1567 1568 /* build ADC/DAC loopback control */ 1569 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1570 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1571 return err; 1572 } 1573 1574 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1575 1576 /* build 3D controls */ 1577 if (ac97->build_ops->build_3d) { 1578 ac97->build_ops->build_3d(ac97); 1579 } else { 1580 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1581 unsigned short val; 1582 val = 0x0707; 1583 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1584 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1585 val = val == 0x0606; 1586 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1587 return err; 1588 if (val) 1589 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1590 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1591 return err; 1592 if (val) 1593 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1594 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1595 } 1596 } 1597 1598 /* build S/PDIF controls */ 1599 1600 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1601 if (ac97->subsystem_vendor == 0x1043 && 1602 ac97->subsystem_device == 0x810f) 1603 ac97->ext_id |= AC97_EI_SPDIF; 1604 1605 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1606 if (ac97->build_ops->build_spdif) { 1607 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1608 return err; 1609 } else { 1610 for (idx = 0; idx < 5; idx++) 1611 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1612 return err; 1613 if (ac97->build_ops->build_post_spdif) { 1614 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1615 return err; 1616 } 1617 /* set default PCM S/PDIF params */ 1618 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1619 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1620 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1621 } 1622 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1623 } 1624 1625 /* build chip specific controls */ 1626 if (ac97->build_ops->build_specific) 1627 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1628 return err; 1629 1630 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1631 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1632 if (! kctl) 1633 return -ENOMEM; 1634 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1635 set_inv_eapd(ac97, kctl); 1636 if ((err = snd_ctl_add(card, kctl)) < 0) 1637 return err; 1638 } 1639 1640 return 0; 1641 } 1642 1643 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1644 { 1645 int err, idx; 1646 1647 /* 1648 printk(KERN_DEBUG "AC97_GPIO_CFG = %x\n", 1649 snd_ac97_read(ac97,AC97_GPIO_CFG)); 1650 */ 1651 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1652 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1653 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1654 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1655 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1656 1657 /* build modem switches */ 1658 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1659 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1660 return err; 1661 1662 /* build chip specific controls */ 1663 if (ac97->build_ops->build_specific) 1664 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1665 return err; 1666 1667 return 0; 1668 } 1669 1670 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1671 { 1672 unsigned short val; 1673 unsigned int tmp; 1674 1675 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1676 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1677 if (shadow_reg) 1678 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1679 val = snd_ac97_read(ac97, reg); 1680 return val == (tmp & 0xffff); 1681 } 1682 1683 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1684 { 1685 unsigned int result = 0; 1686 unsigned short saved; 1687 1688 if (ac97->bus->no_vra) { 1689 *r_result = SNDRV_PCM_RATE_48000; 1690 if ((ac97->flags & AC97_DOUBLE_RATE) && 1691 reg == AC97_PCM_FRONT_DAC_RATE) 1692 *r_result |= SNDRV_PCM_RATE_96000; 1693 return; 1694 } 1695 1696 saved = snd_ac97_read(ac97, reg); 1697 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1698 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1699 AC97_EA_DRA, 0); 1700 /* test a non-standard rate */ 1701 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1702 result |= SNDRV_PCM_RATE_CONTINUOUS; 1703 /* let's try to obtain standard rates */ 1704 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1705 result |= SNDRV_PCM_RATE_8000; 1706 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1707 result |= SNDRV_PCM_RATE_11025; 1708 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1709 result |= SNDRV_PCM_RATE_16000; 1710 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1711 result |= SNDRV_PCM_RATE_22050; 1712 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1713 result |= SNDRV_PCM_RATE_32000; 1714 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1715 result |= SNDRV_PCM_RATE_44100; 1716 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1717 result |= SNDRV_PCM_RATE_48000; 1718 if ((ac97->flags & AC97_DOUBLE_RATE) && 1719 reg == AC97_PCM_FRONT_DAC_RATE) { 1720 /* test standard double rates */ 1721 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1722 AC97_EA_DRA, AC97_EA_DRA); 1723 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1724 result |= SNDRV_PCM_RATE_64000; 1725 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1726 result |= SNDRV_PCM_RATE_88200; 1727 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1728 result |= SNDRV_PCM_RATE_96000; 1729 /* some codecs don't support variable double rates */ 1730 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1731 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1732 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1733 AC97_EA_DRA, 0); 1734 } 1735 /* restore the default value */ 1736 snd_ac97_write_cache(ac97, reg, saved); 1737 if (shadow_reg) 1738 snd_ac97_write_cache(ac97, shadow_reg, saved); 1739 *r_result = result; 1740 } 1741 1742 /* check AC97_SPDIF register to accept which sample rates */ 1743 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1744 { 1745 unsigned int result = 0; 1746 int i; 1747 static unsigned short ctl_bits[] = { 1748 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1749 }; 1750 static unsigned int rate_bits[] = { 1751 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1752 }; 1753 1754 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1755 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1756 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1757 result |= rate_bits[i]; 1758 } 1759 return result; 1760 } 1761 1762 /* look for the codec id table matching with the given id */ 1763 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1764 unsigned int id) 1765 { 1766 const struct ac97_codec_id *pid; 1767 1768 for (pid = table; pid->id; pid++) 1769 if (pid->id == (id & pid->mask)) 1770 return pid; 1771 return NULL; 1772 } 1773 1774 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1775 { 1776 const struct ac97_codec_id *pid; 1777 1778 sprintf(name, "0x%x %c%c%c", id, 1779 printable(id >> 24), 1780 printable(id >> 16), 1781 printable(id >> 8)); 1782 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1783 if (! pid) 1784 return; 1785 1786 strcpy(name, pid->name); 1787 if (ac97 && pid->patch) { 1788 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1789 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1790 pid->patch(ac97); 1791 } 1792 1793 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1794 if (pid) { 1795 strcat(name, " "); 1796 strcat(name, pid->name); 1797 if (pid->mask != 0xffffffff) 1798 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1799 if (ac97 && pid->patch) { 1800 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1801 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1802 pid->patch(ac97); 1803 } 1804 } else 1805 sprintf(name + strlen(name), " id %x", id & 0xff); 1806 } 1807 1808 /** 1809 * snd_ac97_get_short_name - retrieve codec name 1810 * @ac97: the codec instance 1811 * 1812 * Returns the short identifying name of the codec. 1813 */ 1814 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1815 { 1816 const struct ac97_codec_id *pid; 1817 1818 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1819 if (pid->id == (ac97->id & pid->mask)) 1820 return pid->name; 1821 return "unknown codec"; 1822 } 1823 1824 EXPORT_SYMBOL(snd_ac97_get_short_name); 1825 1826 /* wait for a while until registers are accessible after RESET 1827 * return 0 if ok, negative not ready 1828 */ 1829 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1830 { 1831 unsigned long end_time; 1832 unsigned short val; 1833 1834 end_time = jiffies + timeout; 1835 do { 1836 1837 /* use preliminary reads to settle the communication */ 1838 snd_ac97_read(ac97, AC97_RESET); 1839 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1840 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1841 /* modem? */ 1842 if (with_modem) { 1843 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1844 if (val != 0xffff && (val & 1) != 0) 1845 return 0; 1846 } 1847 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1848 /* probably only Xbox issue - all registers are read as zero */ 1849 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1850 if (val != 0 && val != 0xffff) 1851 return 0; 1852 } else { 1853 /* because the PCM or MASTER volume registers can be modified, 1854 * the REC_GAIN register is used for tests 1855 */ 1856 /* test if we can write to the record gain volume register */ 1857 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1858 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1859 return 0; 1860 } 1861 schedule_timeout_uninterruptible(1); 1862 } while (time_after_eq(end_time, jiffies)); 1863 return -ENODEV; 1864 } 1865 1866 /** 1867 * snd_ac97_bus - create an AC97 bus component 1868 * @card: the card instance 1869 * @num: the bus number 1870 * @ops: the bus callbacks table 1871 * @private_data: private data pointer for the new instance 1872 * @rbus: the pointer to store the new AC97 bus instance. 1873 * 1874 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1875 * allocated and initialized. 1876 * 1877 * The ops table must include valid callbacks (at least read and 1878 * write). The other callbacks, wait and reset, are not mandatory. 1879 * 1880 * The clock is set to 48000. If another clock is needed, set 1881 * (*rbus)->clock manually. 1882 * 1883 * The AC97 bus instance is registered as a low-level device, so you don't 1884 * have to release it manually. 1885 * 1886 * Returns zero if successful, or a negative error code on failure. 1887 */ 1888 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1889 void *private_data, struct snd_ac97_bus **rbus) 1890 { 1891 int err; 1892 struct snd_ac97_bus *bus; 1893 static struct snd_device_ops dev_ops = { 1894 .dev_free = snd_ac97_bus_dev_free, 1895 }; 1896 1897 if (snd_BUG_ON(!card)) 1898 return -EINVAL; 1899 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1900 if (bus == NULL) 1901 return -ENOMEM; 1902 bus->card = card; 1903 bus->num = num; 1904 bus->ops = ops; 1905 bus->private_data = private_data; 1906 bus->clock = 48000; 1907 spin_lock_init(&bus->bus_lock); 1908 snd_ac97_bus_proc_init(bus); 1909 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1910 snd_ac97_bus_free(bus); 1911 return err; 1912 } 1913 if (rbus) 1914 *rbus = bus; 1915 return 0; 1916 } 1917 1918 EXPORT_SYMBOL(snd_ac97_bus); 1919 1920 /* stop no dev release warning */ 1921 static void ac97_device_release(struct device * dev) 1922 { 1923 } 1924 1925 /* register ac97 codec to bus */ 1926 static int snd_ac97_dev_register(struct snd_device *device) 1927 { 1928 struct snd_ac97 *ac97 = device->device_data; 1929 int err; 1930 1931 ac97->dev.bus = &ac97_bus_type; 1932 ac97->dev.parent = ac97->bus->card->dev; 1933 ac97->dev.release = ac97_device_release; 1934 dev_set_name(&ac97->dev, "%d-%d:%s", 1935 ac97->bus->card->number, ac97->num, 1936 snd_ac97_get_short_name(ac97)); 1937 if ((err = device_register(&ac97->dev)) < 0) { 1938 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1939 ac97->dev.bus = NULL; 1940 return err; 1941 } 1942 return 0; 1943 } 1944 1945 /* disconnect ac97 codec */ 1946 static int snd_ac97_dev_disconnect(struct snd_device *device) 1947 { 1948 struct snd_ac97 *ac97 = device->device_data; 1949 if (ac97->dev.bus) 1950 device_unregister(&ac97->dev); 1951 return 0; 1952 } 1953 1954 /* build_ops to do nothing */ 1955 static struct snd_ac97_build_ops null_build_ops; 1956 1957 #ifdef CONFIG_SND_AC97_POWER_SAVE 1958 static void do_update_power(struct work_struct *work) 1959 { 1960 update_power_regs( 1961 container_of(work, struct snd_ac97, power_work.work)); 1962 } 1963 #endif 1964 1965 /** 1966 * snd_ac97_mixer - create an Codec97 component 1967 * @bus: the AC97 bus which codec is attached to 1968 * @template: the template of ac97, including index, callbacks and 1969 * the private data. 1970 * @rac97: the pointer to store the new ac97 instance. 1971 * 1972 * Creates an Codec97 component. An struct snd_ac97 instance is newly 1973 * allocated and initialized from the template. The codec 1974 * is then initialized by the standard procedure. 1975 * 1976 * The template must include the codec number (num) and address (addr), 1977 * and the private data (private_data). 1978 * 1979 * The ac97 instance is registered as a low-level device, so you don't 1980 * have to release it manually. 1981 * 1982 * Returns zero if successful, or a negative error code on failure. 1983 */ 1984 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 1985 { 1986 int err; 1987 struct snd_ac97 *ac97; 1988 struct snd_card *card; 1989 char name[64]; 1990 unsigned long end_time; 1991 unsigned int reg; 1992 const struct ac97_codec_id *pid; 1993 static struct snd_device_ops ops = { 1994 .dev_free = snd_ac97_dev_free, 1995 .dev_register = snd_ac97_dev_register, 1996 .dev_disconnect = snd_ac97_dev_disconnect, 1997 }; 1998 1999 if (rac97) 2000 *rac97 = NULL; 2001 if (snd_BUG_ON(!bus || !template)) 2002 return -EINVAL; 2003 if (snd_BUG_ON(template->num >= 4)) 2004 return -EINVAL; 2005 if (bus->codec[template->num]) 2006 return -EBUSY; 2007 2008 card = bus->card; 2009 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 2010 if (ac97 == NULL) 2011 return -ENOMEM; 2012 ac97->private_data = template->private_data; 2013 ac97->private_free = template->private_free; 2014 ac97->bus = bus; 2015 ac97->pci = template->pci; 2016 ac97->num = template->num; 2017 ac97->addr = template->addr; 2018 ac97->scaps = template->scaps; 2019 ac97->res_table = template->res_table; 2020 bus->codec[ac97->num] = ac97; 2021 mutex_init(&ac97->reg_mutex); 2022 mutex_init(&ac97->page_mutex); 2023 #ifdef CONFIG_SND_AC97_POWER_SAVE 2024 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2025 #endif 2026 2027 #ifdef CONFIG_PCI 2028 if (ac97->pci) { 2029 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2030 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2031 } 2032 #endif 2033 if (bus->ops->reset) { 2034 bus->ops->reset(ac97); 2035 goto __access_ok; 2036 } 2037 2038 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2039 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2040 if (ac97->id && ac97->id != (unsigned int)-1) { 2041 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2042 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2043 goto __access_ok; 2044 } 2045 2046 /* reset to defaults */ 2047 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2048 snd_ac97_write(ac97, AC97_RESET, 0); 2049 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2050 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2051 if (bus->ops->wait) 2052 bus->ops->wait(ac97); 2053 else { 2054 udelay(50); 2055 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2056 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2057 else { 2058 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2059 if (err < 0) 2060 err = ac97_reset_wait(ac97, 2061 msecs_to_jiffies(500), 1); 2062 } 2063 if (err < 0) { 2064 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 2065 /* proceed anyway - it's often non-critical */ 2066 } 2067 } 2068 __access_ok: 2069 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2070 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2071 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2072 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2073 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 2074 snd_ac97_free(ac97); 2075 return -EIO; 2076 } 2077 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2078 if (pid) 2079 ac97->flags |= pid->flags; 2080 2081 /* test for AC'97 */ 2082 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2083 /* test if we can write to the record gain volume register */ 2084 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2085 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 2086 ac97->scaps |= AC97_SCAP_AUDIO; 2087 } 2088 if (ac97->scaps & AC97_SCAP_AUDIO) { 2089 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2090 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2091 if (ac97->ext_id == 0xffff) /* invalid combination */ 2092 ac97->ext_id = 0; 2093 } 2094 2095 /* test for MC'97 */ 2096 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2097 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2098 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2099 ac97->ext_mid = 0; 2100 if (ac97->ext_mid & 1) 2101 ac97->scaps |= AC97_SCAP_MODEM; 2102 } 2103 2104 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2105 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2106 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 2107 snd_ac97_free(ac97); 2108 return -EACCES; 2109 } 2110 2111 if (bus->ops->reset) // FIXME: always skipping? 2112 goto __ready_ok; 2113 2114 /* FIXME: add powerdown control */ 2115 if (ac97_is_audio(ac97)) { 2116 /* nothing should be in powerdown mode */ 2117 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2118 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2119 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2120 udelay(100); 2121 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2122 } 2123 /* nothing should be in powerdown mode */ 2124 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2125 end_time = jiffies + msecs_to_jiffies(100); 2126 do { 2127 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2128 goto __ready_ok; 2129 schedule_timeout_uninterruptible(1); 2130 } while (time_after_eq(end_time, jiffies)); 2131 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 2132 } 2133 2134 /* FIXME: add powerdown control */ 2135 if (ac97_is_modem(ac97)) { 2136 unsigned char tmp; 2137 2138 /* nothing should be in powerdown mode */ 2139 /* note: it's important to set the rate at first */ 2140 tmp = AC97_MEA_GPIO; 2141 if (ac97->ext_mid & AC97_MEI_LINE1) { 2142 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2143 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2144 } 2145 if (ac97->ext_mid & AC97_MEI_LINE2) { 2146 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2147 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2148 } 2149 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2150 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2151 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2152 } 2153 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2154 udelay(100); 2155 /* nothing should be in powerdown mode */ 2156 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2157 end_time = jiffies + msecs_to_jiffies(100); 2158 do { 2159 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2160 goto __ready_ok; 2161 schedule_timeout_uninterruptible(1); 2162 } while (time_after_eq(end_time, jiffies)); 2163 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2164 } 2165 2166 __ready_ok: 2167 if (ac97_is_audio(ac97)) 2168 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2169 else 2170 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2171 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2172 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2173 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2174 if (! bus->no_vra) 2175 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2176 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2177 } 2178 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2179 /* Intel controllers require double rate data to be put in 2180 * slots 7+8, so let's hope the codec supports it. */ 2181 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2182 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2183 ac97->flags |= AC97_DOUBLE_RATE; 2184 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2185 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2186 } 2187 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2188 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2189 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2190 } else { 2191 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2192 if (ac97->flags & AC97_DOUBLE_RATE) 2193 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2194 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2195 } 2196 if (ac97->ext_id & AC97_EI_SPDIF) { 2197 /* codec specific code (patch) should override these values */ 2198 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2199 } 2200 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2201 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2202 } else { 2203 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2204 } 2205 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2206 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2207 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2208 } 2209 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2210 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2211 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2212 } 2213 /* additional initializations */ 2214 if (bus->ops->init) 2215 bus->ops->init(ac97); 2216 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2217 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2218 if (! ac97->build_ops) 2219 ac97->build_ops = &null_build_ops; 2220 2221 if (ac97_is_audio(ac97)) { 2222 char comp[16]; 2223 if (card->mixername[0] == '\0') { 2224 strcpy(card->mixername, name); 2225 } else { 2226 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2227 strcat(card->mixername, ","); 2228 strcat(card->mixername, name); 2229 } 2230 } 2231 sprintf(comp, "AC97a:%08x", ac97->id); 2232 if ((err = snd_component_add(card, comp)) < 0) { 2233 snd_ac97_free(ac97); 2234 return err; 2235 } 2236 if (snd_ac97_mixer_build(ac97) < 0) { 2237 snd_ac97_free(ac97); 2238 return -ENOMEM; 2239 } 2240 } 2241 if (ac97_is_modem(ac97)) { 2242 char comp[16]; 2243 if (card->mixername[0] == '\0') { 2244 strcpy(card->mixername, name); 2245 } else { 2246 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2247 strcat(card->mixername, ","); 2248 strcat(card->mixername, name); 2249 } 2250 } 2251 sprintf(comp, "AC97m:%08x", ac97->id); 2252 if ((err = snd_component_add(card, comp)) < 0) { 2253 snd_ac97_free(ac97); 2254 return err; 2255 } 2256 if (snd_ac97_modem_build(card, ac97) < 0) { 2257 snd_ac97_free(ac97); 2258 return -ENOMEM; 2259 } 2260 } 2261 if (ac97_is_audio(ac97)) 2262 update_power_regs(ac97); 2263 snd_ac97_proc_init(ac97); 2264 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2265 snd_ac97_free(ac97); 2266 return err; 2267 } 2268 *rac97 = ac97; 2269 return 0; 2270 } 2271 2272 EXPORT_SYMBOL(snd_ac97_mixer); 2273 2274 /* 2275 * Power down the chip. 2276 * 2277 * MASTER and HEADPHONE registers are muted but the register cache values 2278 * are not changed, so that the values can be restored in snd_ac97_resume(). 2279 */ 2280 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2281 { 2282 unsigned short power; 2283 2284 if (ac97_is_audio(ac97)) { 2285 /* some codecs have stereo mute bits */ 2286 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2287 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2288 } 2289 2290 /* surround, CLFE, mic powerdown */ 2291 power = ac97->regs[AC97_EXTENDED_STATUS]; 2292 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2293 power |= AC97_EA_PRJ; 2294 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2295 power |= AC97_EA_PRI | AC97_EA_PRK; 2296 power |= AC97_EA_PRL; 2297 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2298 2299 /* powerdown external amplifier */ 2300 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2301 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2302 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2303 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2304 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2305 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2306 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2307 udelay(100); 2308 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ 2309 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2310 if (ac97_is_power_save_mode(ac97)) { 2311 power |= AC97_PD_PR3; /* Analog Mixer powerdown */ 2312 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2313 udelay(100); 2314 /* AC-link powerdown, internal Clk disable */ 2315 /* FIXME: this may cause click noises on some boards */ 2316 power |= AC97_PD_PR4 | AC97_PD_PR5; 2317 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2318 } 2319 } 2320 2321 2322 struct ac97_power_reg { 2323 unsigned short reg; 2324 unsigned short power_reg; 2325 unsigned short mask; 2326 }; 2327 2328 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2329 2330 static struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2331 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2332 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2333 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2334 AC97_EA_PRI | AC97_EA_PRK}, 2335 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2336 AC97_EA_PRJ}, 2337 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2338 AC97_EA_PRL}, 2339 }; 2340 2341 #ifdef CONFIG_SND_AC97_POWER_SAVE 2342 /** 2343 * snd_ac97_update_power - update the powerdown register 2344 * @ac97: the codec instance 2345 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2346 * @powerup: non-zero when power up the part 2347 * 2348 * Update the AC97 powerdown register bits of the given part. 2349 */ 2350 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2351 { 2352 int i; 2353 2354 if (! ac97) 2355 return 0; 2356 2357 if (reg) { 2358 /* SPDIF requires DAC power, too */ 2359 if (reg == AC97_SPDIF) 2360 reg = AC97_PCM_FRONT_DAC_RATE; 2361 for (i = 0; i < PWIDX_SIZE; i++) { 2362 if (power_regs[i].reg == reg) { 2363 if (powerup) 2364 ac97->power_up |= (1 << i); 2365 else 2366 ac97->power_up &= ~(1 << i); 2367 break; 2368 } 2369 } 2370 } 2371 2372 if (ac97_is_power_save_mode(ac97) && !powerup) 2373 /* adjust power-down bits after two seconds delay 2374 * (for avoiding loud click noises for many (OSS) apps 2375 * that open/close frequently) 2376 */ 2377 schedule_delayed_work(&ac97->power_work, 2378 msecs_to_jiffies(power_save * 1000)); 2379 else { 2380 cancel_delayed_work(&ac97->power_work); 2381 update_power_regs(ac97); 2382 } 2383 2384 return 0; 2385 } 2386 2387 EXPORT_SYMBOL(snd_ac97_update_power); 2388 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2389 2390 static void update_power_regs(struct snd_ac97 *ac97) 2391 { 2392 unsigned int power_up, bits; 2393 int i; 2394 2395 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2396 power_up |= (1 << PWIDX_MIC); 2397 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2398 power_up |= (1 << PWIDX_SURR); 2399 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2400 power_up |= (1 << PWIDX_CLFE); 2401 #ifdef CONFIG_SND_AC97_POWER_SAVE 2402 if (ac97_is_power_save_mode(ac97)) 2403 power_up = ac97->power_up; 2404 #endif 2405 if (power_up) { 2406 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2407 /* needs power-up analog mix and vref */ 2408 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2409 AC97_PD_PR3, 0); 2410 msleep(1); 2411 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2412 AC97_PD_PR2, 0); 2413 } 2414 } 2415 for (i = 0; i < PWIDX_SIZE; i++) { 2416 if (power_up & (1 << i)) 2417 bits = 0; 2418 else 2419 bits = power_regs[i].mask; 2420 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2421 power_regs[i].mask, bits); 2422 } 2423 if (! power_up) { 2424 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2425 /* power down analog mix and vref */ 2426 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2427 AC97_PD_PR2, AC97_PD_PR2); 2428 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2429 AC97_PD_PR3, AC97_PD_PR3); 2430 } 2431 } 2432 } 2433 2434 2435 #ifdef CONFIG_PM 2436 /** 2437 * snd_ac97_suspend - General suspend function for AC97 codec 2438 * @ac97: the ac97 instance 2439 * 2440 * Suspends the codec, power down the chip. 2441 */ 2442 void snd_ac97_suspend(struct snd_ac97 *ac97) 2443 { 2444 if (! ac97) 2445 return; 2446 if (ac97->build_ops->suspend) 2447 ac97->build_ops->suspend(ac97); 2448 #ifdef CONFIG_SND_AC97_POWER_SAVE 2449 cancel_delayed_work(&ac97->power_work); 2450 flush_scheduled_work(); 2451 #endif 2452 snd_ac97_powerdown(ac97); 2453 } 2454 2455 EXPORT_SYMBOL(snd_ac97_suspend); 2456 2457 /* 2458 * restore ac97 status 2459 */ 2460 static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2461 { 2462 int i; 2463 2464 for (i = 2; i < 0x7c ; i += 2) { 2465 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2466 continue; 2467 /* restore only accessible registers 2468 * some chip (e.g. nm256) may hang up when unsupported registers 2469 * are accessed..! 2470 */ 2471 if (test_bit(i, ac97->reg_accessed)) { 2472 snd_ac97_write(ac97, i, ac97->regs[i]); 2473 snd_ac97_read(ac97, i); 2474 } 2475 } 2476 } 2477 2478 /* 2479 * restore IEC958 status 2480 */ 2481 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2482 { 2483 if (ac97->ext_id & AC97_EI_SPDIF) { 2484 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2485 /* reset spdif status */ 2486 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2487 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2488 if (ac97->flags & AC97_CS_SPDIF) 2489 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2490 else 2491 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2492 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2493 } 2494 } 2495 } 2496 2497 /** 2498 * snd_ac97_resume - General resume function for AC97 codec 2499 * @ac97: the ac97 instance 2500 * 2501 * Do the standard resume procedure, power up and restoring the 2502 * old register values. 2503 */ 2504 void snd_ac97_resume(struct snd_ac97 *ac97) 2505 { 2506 unsigned long end_time; 2507 2508 if (! ac97) 2509 return; 2510 2511 if (ac97->bus->ops->reset) { 2512 ac97->bus->ops->reset(ac97); 2513 goto __reset_ready; 2514 } 2515 2516 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2517 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2518 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2519 snd_ac97_write(ac97, AC97_RESET, 0); 2520 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2521 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2522 udelay(100); 2523 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2524 } 2525 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2526 2527 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2528 if (ac97_is_audio(ac97)) { 2529 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2530 end_time = jiffies + msecs_to_jiffies(100); 2531 do { 2532 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2533 break; 2534 schedule_timeout_uninterruptible(1); 2535 } while (time_after_eq(end_time, jiffies)); 2536 /* FIXME: extra delay */ 2537 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); 2538 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) 2539 msleep(250); 2540 } else { 2541 end_time = jiffies + msecs_to_jiffies(100); 2542 do { 2543 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2544 if (val != 0xffff && (val & 1) != 0) 2545 break; 2546 schedule_timeout_uninterruptible(1); 2547 } while (time_after_eq(end_time, jiffies)); 2548 } 2549 __reset_ready: 2550 2551 if (ac97->bus->ops->init) 2552 ac97->bus->ops->init(ac97); 2553 2554 if (ac97->build_ops->resume) 2555 ac97->build_ops->resume(ac97); 2556 else { 2557 snd_ac97_restore_status(ac97); 2558 snd_ac97_restore_iec958(ac97); 2559 } 2560 } 2561 2562 EXPORT_SYMBOL(snd_ac97_resume); 2563 #endif 2564 2565 2566 /* 2567 * Hardware tuning 2568 */ 2569 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2570 { 2571 if (suffix) 2572 sprintf(dst, "%s %s", src, suffix); 2573 else 2574 strcpy(dst, src); 2575 } 2576 2577 /* remove the control with the given name and optional suffix */ 2578 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2579 const char *suffix) 2580 { 2581 struct snd_ctl_elem_id id; 2582 memset(&id, 0, sizeof(id)); 2583 set_ctl_name(id.name, name, suffix); 2584 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2585 return snd_ctl_remove_id(ac97->bus->card, &id); 2586 } 2587 2588 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2589 { 2590 struct snd_ctl_elem_id sid; 2591 memset(&sid, 0, sizeof(sid)); 2592 set_ctl_name(sid.name, name, suffix); 2593 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2594 return snd_ctl_find_id(ac97->bus->card, &sid); 2595 } 2596 2597 /* rename the control with the given name and optional suffix */ 2598 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2599 const char *dst, const char *suffix) 2600 { 2601 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2602 if (kctl) { 2603 set_ctl_name(kctl->id.name, dst, suffix); 2604 return 0; 2605 } 2606 return -ENOENT; 2607 } 2608 2609 /* rename both Volume and Switch controls - don't check the return value */ 2610 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2611 const char *dst) 2612 { 2613 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2614 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2615 } 2616 2617 /* swap controls */ 2618 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2619 const char *s2, const char *suffix) 2620 { 2621 struct snd_kcontrol *kctl1, *kctl2; 2622 kctl1 = ctl_find(ac97, s1, suffix); 2623 kctl2 = ctl_find(ac97, s2, suffix); 2624 if (kctl1 && kctl2) { 2625 set_ctl_name(kctl1->id.name, s2, suffix); 2626 set_ctl_name(kctl2->id.name, s1, suffix); 2627 return 0; 2628 } 2629 return -ENOENT; 2630 } 2631 2632 #if 1 2633 /* bind hp and master controls instead of using only hp control */ 2634 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2635 { 2636 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2637 if (err > 0) { 2638 unsigned long priv_saved = kcontrol->private_value; 2639 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2640 snd_ac97_put_volsw(kcontrol, ucontrol); 2641 kcontrol->private_value = priv_saved; 2642 } 2643 return err; 2644 } 2645 2646 /* ac97 tune: bind Master and Headphone controls */ 2647 static int tune_hp_only(struct snd_ac97 *ac97) 2648 { 2649 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2650 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2651 if (! msw || ! mvol) 2652 return -ENOENT; 2653 msw->put = bind_hp_volsw_put; 2654 mvol->put = bind_hp_volsw_put; 2655 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2656 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2657 return 0; 2658 } 2659 2660 #else 2661 /* ac97 tune: use Headphone control as master */ 2662 static int tune_hp_only(struct snd_ac97 *ac97) 2663 { 2664 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2665 return -ENOENT; 2666 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2667 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2668 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2669 return 0; 2670 } 2671 #endif 2672 2673 /* ac97 tune: swap Headphone and Master controls */ 2674 static int tune_swap_hp(struct snd_ac97 *ac97) 2675 { 2676 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2677 return -ENOENT; 2678 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2679 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2680 return 0; 2681 } 2682 2683 /* ac97 tune: swap Surround and Master controls */ 2684 static int tune_swap_surround(struct snd_ac97 *ac97) 2685 { 2686 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2687 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2688 return -ENOENT; 2689 return 0; 2690 } 2691 2692 /* ac97 tune: set up mic sharing for AD codecs */ 2693 static int tune_ad_sharing(struct snd_ac97 *ac97) 2694 { 2695 unsigned short scfg; 2696 if ((ac97->id & 0xffffff00) != 0x41445300) { 2697 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2698 return -EINVAL; 2699 } 2700 /* Turn on OMS bit to route microphone to back panel */ 2701 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2702 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2703 return 0; 2704 } 2705 2706 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2707 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2708 2709 /* ac97 tune: set up ALC jack-select */ 2710 static int tune_alc_jack(struct snd_ac97 *ac97) 2711 { 2712 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2713 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2714 return -EINVAL; 2715 } 2716 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2717 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2718 if (ac97->id == AC97_ID_ALC658D) 2719 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2720 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2721 } 2722 2723 /* ac97 tune: inversed EAPD bit */ 2724 static int tune_inv_eapd(struct snd_ac97 *ac97) 2725 { 2726 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2727 if (! kctl) 2728 return -ENOENT; 2729 set_inv_eapd(ac97, kctl); 2730 return 0; 2731 } 2732 2733 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2734 { 2735 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2736 if (err > 0) { 2737 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2738 int shift = (kcontrol->private_value >> 8) & 0x0f; 2739 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2740 unsigned short mask; 2741 if (shift != rshift) 2742 mask = 0x8080; 2743 else 2744 mask = 0x8000; 2745 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2746 (ac97->regs[AC97_MASTER] & mask) == mask ? 2747 0x8000 : 0); 2748 } 2749 return err; 2750 } 2751 2752 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2753 static int tune_mute_led(struct snd_ac97 *ac97) 2754 { 2755 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2756 if (! msw) 2757 return -ENOENT; 2758 msw->put = master_mute_sw_put; 2759 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2760 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2761 ac97->scaps |= AC97_SCAP_EAPD_LED; 2762 return 0; 2763 } 2764 2765 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2766 struct snd_ctl_elem_value *ucontrol) 2767 { 2768 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2769 if (err > 0) { 2770 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2771 int shift = (kcontrol->private_value >> 8) & 0x0f; 2772 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2773 unsigned short mask; 2774 if (shift != rshift) 2775 mask = 0x8080; 2776 else 2777 mask = 0x8000; 2778 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2779 (ac97->regs[AC97_MASTER] & mask) == mask ? 2780 0x8000 : 0); 2781 } 2782 return err; 2783 } 2784 2785 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2786 { 2787 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2788 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2789 if (! msw || ! mvol) 2790 return -ENOENT; 2791 msw->put = hp_master_mute_sw_put; 2792 mvol->put = bind_hp_volsw_put; 2793 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2794 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2795 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2796 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2797 return 0; 2798 } 2799 2800 struct quirk_table { 2801 const char *name; 2802 int (*func)(struct snd_ac97 *); 2803 }; 2804 2805 static struct quirk_table applicable_quirks[] = { 2806 { "none", NULL }, 2807 { "hp_only", tune_hp_only }, 2808 { "swap_hp", tune_swap_hp }, 2809 { "swap_surround", tune_swap_surround }, 2810 { "ad_sharing", tune_ad_sharing }, 2811 { "alc_jack", tune_alc_jack }, 2812 { "inv_eapd", tune_inv_eapd }, 2813 { "mute_led", tune_mute_led }, 2814 { "hp_mute_led", tune_hp_mute_led }, 2815 }; 2816 2817 /* apply the quirk with the given type */ 2818 static int apply_quirk(struct snd_ac97 *ac97, int type) 2819 { 2820 if (type <= 0) 2821 return 0; 2822 else if (type >= ARRAY_SIZE(applicable_quirks)) 2823 return -EINVAL; 2824 if (applicable_quirks[type].func) 2825 return applicable_quirks[type].func(ac97); 2826 return 0; 2827 } 2828 2829 /* apply the quirk with the given name */ 2830 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2831 { 2832 int i; 2833 struct quirk_table *q; 2834 2835 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2836 q = &applicable_quirks[i]; 2837 if (q->name && ! strcmp(typestr, q->name)) 2838 return apply_quirk(ac97, i); 2839 } 2840 /* for compatibility, accept the numbers, too */ 2841 if (*typestr >= '0' && *typestr <= '9') 2842 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2843 return -EINVAL; 2844 } 2845 2846 /** 2847 * snd_ac97_tune_hardware - tune up the hardware 2848 * @ac97: the ac97 instance 2849 * @quirk: quirk list 2850 * @override: explicit quirk value (overrides the list if non-NULL) 2851 * 2852 * Do some workaround for each pci device, such as renaming of the 2853 * headphone (true line-out) control as "Master". 2854 * The quirk-list must be terminated with a zero-filled entry. 2855 * 2856 * Returns zero if successful, or a negative error code on failure. 2857 */ 2858 2859 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) 2860 { 2861 int result; 2862 2863 /* quirk overriden? */ 2864 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2865 result = apply_quirk_str(ac97, override); 2866 if (result < 0) 2867 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2868 return result; 2869 } 2870 2871 if (! quirk) 2872 return -EINVAL; 2873 2874 for (; quirk->subvendor; quirk++) { 2875 if (quirk->subvendor != ac97->subsystem_vendor) 2876 continue; 2877 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2878 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2879 if (quirk->codec_id && quirk->codec_id != ac97->id) 2880 continue; 2881 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2882 result = apply_quirk(ac97, quirk->type); 2883 if (result < 0) 2884 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2885 return result; 2886 } 2887 } 2888 return 0; 2889 } 2890 2891 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2892 2893 /* 2894 * INIT part 2895 */ 2896 2897 static int __init alsa_ac97_init(void) 2898 { 2899 return 0; 2900 } 2901 2902 static void __exit alsa_ac97_exit(void) 2903 { 2904 } 2905 2906 module_init(alsa_ac97_init) 2907 module_exit(alsa_ac97_exit) 2908