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 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, 71 { 0x41445300, 0xffffff00, "Analog Devices", 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 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, 98 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, 99 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, 100 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, 101 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, 102 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, 103 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, 104 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, 105 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, 106 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, 107 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, 108 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, 109 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, 110 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, 111 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, 112 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, 113 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, 114 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, 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 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, 122 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ 123 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 124 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 125 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 126 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 127 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 128 { 0x414c4770, 0xfffffff0, "ALC203", NULL, 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 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL }, 147 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 148 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028? 149 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 150 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 151 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 152 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 153 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 154 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 155 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 156 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 157 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 158 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 159 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 160 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix 161 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL }, 162 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 163 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 164 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 165 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 166 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 167 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 168 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 169 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 170 { 0x56494182, 0xffffffff, "VIA1618", NULL, NULL }, 171 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 172 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL }, 173 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 174 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 175 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 176 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 177 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL}, 178 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 179 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL }, 180 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 181 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 182 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 183 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 184 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 185 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 186 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 187 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 188 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 189 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 190 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 191 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 192 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 193 { 0, 0, NULL, NULL, NULL } 194 }; 195 196 197 static void update_power_regs(struct snd_ac97 *ac97); 198 #ifdef CONFIG_SND_AC97_POWER_SAVE 199 #define ac97_is_power_save_mode(ac97) \ 200 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save) 201 #else 202 #define ac97_is_power_save_mode(ac97) 0 203 #endif 204 205 206 /* 207 * I/O routines 208 */ 209 210 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 211 { 212 /* filter some registers for buggy codecs */ 213 switch (ac97->id) { 214 case AC97_ID_AK4540: 215 case AC97_ID_AK4542: 216 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 217 return 1; 218 return 0; 219 case AC97_ID_AD1819: /* AD1819 */ 220 case AC97_ID_AD1881: /* AD1881 */ 221 case AC97_ID_AD1881A: /* AD1881A */ 222 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 223 return 0; 224 return 1; 225 case AC97_ID_AD1885: /* AD1885 */ 226 case AC97_ID_AD1886: /* AD1886 */ 227 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 228 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 229 if (reg == 0x5a) 230 return 1; 231 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 232 return 0; 233 return 1; 234 case AC97_ID_STAC9700: 235 case AC97_ID_STAC9704: 236 case AC97_ID_STAC9705: 237 case AC97_ID_STAC9708: 238 case AC97_ID_STAC9721: 239 case AC97_ID_STAC9744: 240 case AC97_ID_STAC9756: 241 if (reg <= 0x3a || reg >= 0x5a) 242 return 1; 243 return 0; 244 } 245 return 1; 246 } 247 248 /** 249 * snd_ac97_write - write a value on the given register 250 * @ac97: the ac97 instance 251 * @reg: the register to change 252 * @value: the value to set 253 * 254 * Writes a value on the given register. This will invoke the write 255 * callback directly after the register check. 256 * This function doesn't change the register cache unlike 257 * #snd_ca97_write_cache(), so use this only when you don't want to 258 * reflect the change to the suspend/resume state. 259 */ 260 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 261 { 262 if (!snd_ac97_valid_reg(ac97, reg)) 263 return; 264 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 265 /* Fix H/W bug of ALC100/100P */ 266 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 267 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 268 } 269 ac97->bus->ops->write(ac97, reg, value); 270 } 271 272 EXPORT_SYMBOL(snd_ac97_write); 273 274 /** 275 * snd_ac97_read - read a value from the given register 276 * 277 * @ac97: the ac97 instance 278 * @reg: the register to read 279 * 280 * Reads a value from the given register. This will invoke the read 281 * callback directly after the register check. 282 * 283 * Returns the read value. 284 */ 285 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 286 { 287 if (!snd_ac97_valid_reg(ac97, reg)) 288 return 0; 289 return ac97->bus->ops->read(ac97, reg); 290 } 291 292 /* read a register - return the cached value if already read */ 293 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 294 { 295 if (! test_bit(reg, ac97->reg_accessed)) { 296 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 297 // set_bit(reg, ac97->reg_accessed); 298 } 299 return ac97->regs[reg]; 300 } 301 302 EXPORT_SYMBOL(snd_ac97_read); 303 304 /** 305 * snd_ac97_write_cache - write a value on the given register and update the cache 306 * @ac97: the ac97 instance 307 * @reg: the register to change 308 * @value: the value to set 309 * 310 * Writes a value on the given register and updates the register 311 * cache. The cached values are used for the cached-read and the 312 * suspend/resume. 313 */ 314 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 315 { 316 if (!snd_ac97_valid_reg(ac97, reg)) 317 return; 318 mutex_lock(&ac97->reg_mutex); 319 ac97->regs[reg] = value; 320 ac97->bus->ops->write(ac97, reg, value); 321 set_bit(reg, ac97->reg_accessed); 322 mutex_unlock(&ac97->reg_mutex); 323 } 324 325 EXPORT_SYMBOL(snd_ac97_write_cache); 326 327 /** 328 * snd_ac97_update - update the value on the given register 329 * @ac97: the ac97 instance 330 * @reg: the register to change 331 * @value: the value to set 332 * 333 * Compares the value with the register cache and updates the value 334 * only when the value is changed. 335 * 336 * Returns 1 if the value is changed, 0 if no change, or a negative 337 * code on failure. 338 */ 339 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 340 { 341 int change; 342 343 if (!snd_ac97_valid_reg(ac97, reg)) 344 return -EINVAL; 345 mutex_lock(&ac97->reg_mutex); 346 change = ac97->regs[reg] != value; 347 if (change) { 348 ac97->regs[reg] = value; 349 ac97->bus->ops->write(ac97, reg, value); 350 } 351 set_bit(reg, ac97->reg_accessed); 352 mutex_unlock(&ac97->reg_mutex); 353 return change; 354 } 355 356 EXPORT_SYMBOL(snd_ac97_update); 357 358 /** 359 * snd_ac97_update_bits - update the bits on the given register 360 * @ac97: the ac97 instance 361 * @reg: the register to change 362 * @mask: the bit-mask to change 363 * @value: the value to set 364 * 365 * Updates the masked-bits on the given register only when the value 366 * is changed. 367 * 368 * Returns 1 if the bits are changed, 0 if no change, or a negative 369 * code on failure. 370 */ 371 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 372 { 373 int change; 374 375 if (!snd_ac97_valid_reg(ac97, reg)) 376 return -EINVAL; 377 mutex_lock(&ac97->reg_mutex); 378 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 379 mutex_unlock(&ac97->reg_mutex); 380 return change; 381 } 382 383 EXPORT_SYMBOL(snd_ac97_update_bits); 384 385 /* no lock version - see snd_ac97_updat_bits() */ 386 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 387 unsigned short mask, unsigned short value) 388 { 389 int change; 390 unsigned short old, new; 391 392 old = snd_ac97_read_cache(ac97, reg); 393 new = (old & ~mask) | (value & mask); 394 change = old != new; 395 if (change) { 396 ac97->regs[reg] = new; 397 ac97->bus->ops->write(ac97, reg, new); 398 } 399 set_bit(reg, ac97->reg_accessed); 400 return change; 401 } 402 403 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 404 { 405 int change; 406 unsigned short old, new, cfg; 407 408 mutex_lock(&ac97->page_mutex); 409 old = ac97->spec.ad18xx.pcmreg[codec]; 410 new = (old & ~mask) | (value & mask); 411 change = old != new; 412 if (change) { 413 mutex_lock(&ac97->reg_mutex); 414 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 415 ac97->spec.ad18xx.pcmreg[codec] = new; 416 /* select single codec */ 417 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 418 (cfg & ~0x7000) | 419 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 420 /* update PCM bits */ 421 ac97->bus->ops->write(ac97, AC97_PCM, new); 422 /* select all codecs */ 423 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 424 cfg | 0x7000); 425 mutex_unlock(&ac97->reg_mutex); 426 } 427 mutex_unlock(&ac97->page_mutex); 428 return change; 429 } 430 431 /* 432 * Controls 433 */ 434 435 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, 436 struct snd_ctl_elem_info *uinfo) 437 { 438 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 439 440 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 441 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 442 uinfo->value.enumerated.items = e->mask; 443 444 if (uinfo->value.enumerated.item > e->mask - 1) 445 uinfo->value.enumerated.item = e->mask - 1; 446 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 447 return 0; 448 } 449 450 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, 451 struct snd_ctl_elem_value *ucontrol) 452 { 453 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 454 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 455 unsigned short val, bitmask; 456 457 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 458 ; 459 val = snd_ac97_read_cache(ac97, e->reg); 460 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 461 if (e->shift_l != e->shift_r) 462 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 463 464 return 0; 465 } 466 467 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, 468 struct snd_ctl_elem_value *ucontrol) 469 { 470 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 471 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 472 unsigned short val; 473 unsigned short mask, bitmask; 474 475 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 476 ; 477 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 478 return -EINVAL; 479 val = ucontrol->value.enumerated.item[0] << e->shift_l; 480 mask = (bitmask - 1) << e->shift_l; 481 if (e->shift_l != e->shift_r) { 482 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 483 return -EINVAL; 484 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 485 mask |= (bitmask - 1) << e->shift_r; 486 } 487 return snd_ac97_update_bits(ac97, e->reg, mask, val); 488 } 489 490 /* save/restore ac97 v2.3 paging */ 491 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 492 { 493 int page_save = -1; 494 if ((kcontrol->private_value & (1<<25)) && 495 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 496 (reg >= 0x60 && reg < 0x70)) { 497 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 498 mutex_lock(&ac97->page_mutex); /* lock paging */ 499 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 500 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 501 } 502 return page_save; 503 } 504 505 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 506 { 507 if (page_save >= 0) { 508 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 509 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 510 } 511 } 512 513 /* volume and switch controls */ 514 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, 515 struct snd_ctl_elem_info *uinfo) 516 { 517 int mask = (kcontrol->private_value >> 16) & 0xff; 518 int shift = (kcontrol->private_value >> 8) & 0x0f; 519 int rshift = (kcontrol->private_value >> 12) & 0x0f; 520 521 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 522 uinfo->count = shift == rshift ? 1 : 2; 523 uinfo->value.integer.min = 0; 524 uinfo->value.integer.max = mask; 525 return 0; 526 } 527 528 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, 529 struct snd_ctl_elem_value *ucontrol) 530 { 531 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 532 int reg = kcontrol->private_value & 0xff; 533 int shift = (kcontrol->private_value >> 8) & 0x0f; 534 int rshift = (kcontrol->private_value >> 12) & 0x0f; 535 int mask = (kcontrol->private_value >> 16) & 0xff; 536 int invert = (kcontrol->private_value >> 24) & 0x01; 537 int page_save; 538 539 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 540 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 541 if (shift != rshift) 542 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 543 if (invert) { 544 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 545 if (shift != rshift) 546 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 547 } 548 snd_ac97_page_restore(ac97, page_save); 549 return 0; 550 } 551 552 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, 553 struct snd_ctl_elem_value *ucontrol) 554 { 555 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 556 int reg = kcontrol->private_value & 0xff; 557 int shift = (kcontrol->private_value >> 8) & 0x0f; 558 int rshift = (kcontrol->private_value >> 12) & 0x0f; 559 int mask = (kcontrol->private_value >> 16) & 0xff; 560 int invert = (kcontrol->private_value >> 24) & 0x01; 561 int err, page_save; 562 unsigned short val, val2, val_mask; 563 564 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 565 val = (ucontrol->value.integer.value[0] & mask); 566 if (invert) 567 val = mask - val; 568 val_mask = mask << shift; 569 val = val << shift; 570 if (shift != rshift) { 571 val2 = (ucontrol->value.integer.value[1] & mask); 572 if (invert) 573 val2 = mask - val2; 574 val_mask |= mask << rshift; 575 val |= val2 << rshift; 576 } 577 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 578 snd_ac97_page_restore(ac97, page_save); 579 #ifdef CONFIG_SND_AC97_POWER_SAVE 580 /* check analog mixer power-down */ 581 if ((val_mask & 0x8000) && 582 (kcontrol->private_value & (1<<30))) { 583 if (val & 0x8000) 584 ac97->power_up &= ~(1 << (reg>>1)); 585 else 586 ac97->power_up |= 1 << (reg>>1); 587 update_power_regs(ac97); 588 } 589 #endif 590 return err; 591 } 592 593 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 594 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 595 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 596 }; 597 598 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 599 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 600 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 601 }; 602 603 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 604 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), 605 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) 606 }; 607 608 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 609 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 610 611 612 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 613 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 614 static const char* std_mix[] = {"Mix", "Mic"}; 615 static const char* std_mic[] = {"Mic1", "Mic2"}; 616 617 static const struct ac97_enum std_enum[] = { 618 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 619 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 621 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 622 }; 623 624 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 625 AC97_ENUM("Capture Source", std_enum[0]); 626 627 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 628 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 629 630 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 631 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 632 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 633 }; 634 635 enum { 636 AC97_GENERAL_PCM_OUT = 0, 637 AC97_GENERAL_STEREO_ENHANCEMENT, 638 AC97_GENERAL_3D, 639 AC97_GENERAL_LOUDNESS, 640 AC97_GENERAL_MONO, 641 AC97_GENERAL_MIC, 642 AC97_GENERAL_LOOPBACK 643 }; 644 645 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 646 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 647 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 648 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 649 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 650 AC97_ENUM("Mono Output Select", std_enum[2]), 651 AC97_ENUM("Mic Select", std_enum[3]), 652 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 653 }; 654 655 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 656 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 657 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 658 }; 659 660 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 661 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 662 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 663 }; 664 665 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 666 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 667 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 668 }; 669 670 static const struct snd_kcontrol_new snd_ac97_control_eapd = 671 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 672 673 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 674 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 675 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 676 }; 677 678 /* change the existing EAPD control as inverted */ 679 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 680 { 681 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 682 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 683 ac97->scaps |= AC97_SCAP_INV_EAPD; 684 } 685 686 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 687 { 688 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 689 uinfo->count = 1; 690 return 0; 691 } 692 693 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 694 { 695 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 696 IEC958_AES0_NONAUDIO | 697 IEC958_AES0_CON_EMPHASIS_5015 | 698 IEC958_AES0_CON_NOT_COPYRIGHT; 699 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 700 IEC958_AES1_CON_ORIGINAL; 701 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 702 return 0; 703 } 704 705 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 706 { 707 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 708 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 709 IEC958_AES0_NONAUDIO | 710 IEC958_AES0_PRO_FS | 711 IEC958_AES0_PRO_EMPHASIS_5015; 712 return 0; 713 } 714 715 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 716 { 717 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 718 719 mutex_lock(&ac97->reg_mutex); 720 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 721 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 722 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 723 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 724 mutex_unlock(&ac97->reg_mutex); 725 return 0; 726 } 727 728 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 729 { 730 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 731 unsigned int new = 0; 732 unsigned short val = 0; 733 int change; 734 735 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 736 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 737 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 738 switch (new & IEC958_AES0_PRO_FS) { 739 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 740 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 741 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 742 default: val |= 1<<12; break; 743 } 744 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 745 val |= 1<<3; 746 } else { 747 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 748 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 749 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 750 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 751 val |= 1<<3; 752 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 753 val |= 1<<2; 754 val |= ((new >> 8) & 0xff) << 4; // category + original 755 switch ((new >> 24) & 0xff) { 756 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 757 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 758 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 759 default: val |= 1<<12; break; 760 } 761 } 762 763 mutex_lock(&ac97->reg_mutex); 764 change = ac97->spdif_status != new; 765 ac97->spdif_status = new; 766 767 if (ac97->flags & AC97_CS_SPDIF) { 768 int x = (val >> 12) & 0x03; 769 switch (x) { 770 case 0: x = 1; break; // 44.1 771 case 2: x = 0; break; // 48.0 772 default: x = 0; break; // illegal. 773 } 774 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 775 } else if (ac97->flags & AC97_CX_SPDIF) { 776 int v; 777 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 778 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 779 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 780 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 781 v); 782 } else if (ac97->id == AC97_ID_YMF743) { 783 change |= snd_ac97_update_bits_nolock(ac97, 784 AC97_YMF7X3_DIT_CTRL, 785 0xff38, 786 ((val << 4) & 0xff00) | 787 ((val << 2) & 0x0038)); 788 } else { 789 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 790 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 791 792 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 793 if (extst & AC97_EA_SPDIF) { 794 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 795 } 796 } 797 mutex_unlock(&ac97->reg_mutex); 798 799 return change; 800 } 801 802 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 803 { 804 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 805 int reg = kcontrol->private_value & 0xff; 806 int shift = (kcontrol->private_value >> 8) & 0xff; 807 int mask = (kcontrol->private_value >> 16) & 0xff; 808 // int invert = (kcontrol->private_value >> 24) & 0xff; 809 unsigned short value, old, new; 810 int change; 811 812 value = (ucontrol->value.integer.value[0] & mask); 813 814 mutex_lock(&ac97->reg_mutex); 815 mask <<= shift; 816 value <<= shift; 817 old = snd_ac97_read_cache(ac97, reg); 818 new = (old & ~mask) | value; 819 change = old != new; 820 821 if (change) { 822 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 823 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 824 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 825 if (extst & AC97_EA_SPDIF) 826 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 827 } 828 mutex_unlock(&ac97->reg_mutex); 829 return change; 830 } 831 832 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 833 { 834 .access = SNDRV_CTL_ELEM_ACCESS_READ, 835 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 836 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 837 .info = snd_ac97_spdif_mask_info, 838 .get = snd_ac97_spdif_cmask_get, 839 }, 840 { 841 .access = SNDRV_CTL_ELEM_ACCESS_READ, 842 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 843 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 844 .info = snd_ac97_spdif_mask_info, 845 .get = snd_ac97_spdif_pmask_get, 846 }, 847 { 848 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 849 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 850 .info = snd_ac97_spdif_mask_info, 851 .get = snd_ac97_spdif_default_get, 852 .put = snd_ac97_spdif_default_put, 853 }, 854 855 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 856 { 857 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 858 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 859 .info = snd_ac97_info_volsw, 860 .get = snd_ac97_get_volsw, 861 .put = snd_ac97_put_spsa, 862 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 863 }, 864 }; 865 866 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 867 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 868 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 869 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 870 871 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 872 { 873 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 874 int mask = (kcontrol->private_value >> 16) & 0x0f; 875 int lshift = (kcontrol->private_value >> 8) & 0x0f; 876 int rshift = (kcontrol->private_value >> 12) & 0x0f; 877 878 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 879 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 880 uinfo->count = 2; 881 else 882 uinfo->count = 1; 883 uinfo->value.integer.min = 0; 884 uinfo->value.integer.max = mask; 885 return 0; 886 } 887 888 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 889 { 890 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 891 int codec = kcontrol->private_value & 3; 892 int lshift = (kcontrol->private_value >> 8) & 0x0f; 893 int rshift = (kcontrol->private_value >> 12) & 0x0f; 894 int mask = (kcontrol->private_value >> 16) & 0xff; 895 896 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 897 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 898 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 899 return 0; 900 } 901 902 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 903 { 904 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 905 int codec = kcontrol->private_value & 3; 906 int lshift = (kcontrol->private_value >> 8) & 0x0f; 907 int rshift = (kcontrol->private_value >> 12) & 0x0f; 908 int mask = (kcontrol->private_value >> 16) & 0xff; 909 unsigned short val, valmask; 910 911 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 912 valmask = mask << lshift; 913 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 914 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 915 valmask |= mask << rshift; 916 } 917 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 918 } 919 920 #define AD18XX_PCM_VOLUME(xname, codec) \ 921 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 922 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 923 .private_value = codec } 924 925 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 926 { 927 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 928 uinfo->count = 2; 929 uinfo->value.integer.min = 0; 930 uinfo->value.integer.max = 31; 931 return 0; 932 } 933 934 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 935 { 936 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 937 int codec = kcontrol->private_value & 3; 938 939 mutex_lock(&ac97->page_mutex); 940 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 941 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 942 mutex_unlock(&ac97->page_mutex); 943 return 0; 944 } 945 946 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 947 { 948 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 949 int codec = kcontrol->private_value & 3; 950 unsigned short val1, val2; 951 952 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 953 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 954 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 955 } 956 957 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 958 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 959 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 960 }; 961 962 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 963 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 964 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 965 }; 966 967 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 968 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 969 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 970 }; 971 972 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 973 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 974 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 975 }; 976 977 /* 978 * 979 */ 980 981 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 982 983 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 984 { 985 if (bus) { 986 snd_ac97_bus_proc_done(bus); 987 kfree(bus->pcms); 988 if (bus->private_free) 989 bus->private_free(bus); 990 kfree(bus); 991 } 992 return 0; 993 } 994 995 static int snd_ac97_bus_dev_free(struct snd_device *device) 996 { 997 struct snd_ac97_bus *bus = device->device_data; 998 return snd_ac97_bus_free(bus); 999 } 1000 1001 static int snd_ac97_free(struct snd_ac97 *ac97) 1002 { 1003 if (ac97) { 1004 #ifdef CONFIG_SND_AC97_POWER_SAVE 1005 cancel_delayed_work(&ac97->power_work); 1006 flush_scheduled_work(); 1007 #endif 1008 snd_ac97_proc_done(ac97); 1009 if (ac97->bus) 1010 ac97->bus->codec[ac97->num] = NULL; 1011 if (ac97->private_free) 1012 ac97->private_free(ac97); 1013 kfree(ac97); 1014 } 1015 return 0; 1016 } 1017 1018 static int snd_ac97_dev_free(struct snd_device *device) 1019 { 1020 struct snd_ac97 *ac97 = device->device_data; 1021 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1022 return snd_ac97_free(ac97); 1023 } 1024 1025 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1026 { 1027 unsigned short val, mask = 0x8000; 1028 1029 if (! snd_ac97_valid_reg(ac97, reg)) 1030 return 0; 1031 1032 switch (reg) { 1033 case AC97_MASTER_TONE: 1034 return ac97->caps & 0x04 ? 1 : 0; 1035 case AC97_HEADPHONE: 1036 return ac97->caps & 0x10 ? 1 : 0; 1037 case AC97_REC_GAIN_MIC: 1038 return ac97->caps & 0x01 ? 1 : 0; 1039 case AC97_3D_CONTROL: 1040 if (ac97->caps & 0x7c00) { 1041 val = snd_ac97_read(ac97, reg); 1042 /* if nonzero - fixed and we can't set it */ 1043 return val == 0; 1044 } 1045 return 0; 1046 case AC97_CENTER_LFE_MASTER: /* center */ 1047 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1048 return 0; 1049 break; 1050 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1051 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1052 return 0; 1053 reg = AC97_CENTER_LFE_MASTER; 1054 mask = 0x0080; 1055 break; 1056 case AC97_SURROUND_MASTER: 1057 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1058 return 0; 1059 break; 1060 } 1061 1062 val = snd_ac97_read(ac97, reg); 1063 if (!(val & mask)) { 1064 /* nothing seems to be here - mute flag is not set */ 1065 /* try another test */ 1066 snd_ac97_write_cache(ac97, reg, val | mask); 1067 val = snd_ac97_read(ac97, reg); 1068 val = snd_ac97_read(ac97, reg); 1069 if (!(val & mask)) 1070 return 0; /* nothing here */ 1071 } 1072 return 1; /* success, useable */ 1073 } 1074 1075 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1076 { 1077 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1078 unsigned char max[3] = { 63, 31, 15 }; 1079 int i; 1080 1081 /* first look up the static resolution table */ 1082 if (ac97->res_table) { 1083 const struct snd_ac97_res_table *tbl; 1084 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1085 if (tbl->reg == reg) { 1086 *lo_max = tbl->bits & 0xff; 1087 *hi_max = (tbl->bits >> 8) & 0xff; 1088 return; 1089 } 1090 } 1091 } 1092 1093 *lo_max = *hi_max = 0; 1094 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1095 unsigned short val; 1096 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); 1097 /* Do the read twice due to buffers on some ac97 codecs. 1098 * e.g. The STAC9704 returns exactly what you wrote to the register 1099 * if you read it immediately. This causes the detect routine to fail. 1100 */ 1101 val = snd_ac97_read(ac97, reg); 1102 val = snd_ac97_read(ac97, reg); 1103 if (! *lo_max && (val & 0x7f) == cbit[i]) 1104 *lo_max = max[i]; 1105 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1106 *hi_max = max[i]; 1107 if (*lo_max && *hi_max) 1108 break; 1109 } 1110 } 1111 1112 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1113 { 1114 unsigned short mask, val, orig, res; 1115 1116 mask = 1 << bit; 1117 orig = snd_ac97_read(ac97, reg); 1118 val = orig ^ mask; 1119 snd_ac97_write(ac97, reg, val); 1120 res = snd_ac97_read(ac97, reg); 1121 snd_ac97_write_cache(ac97, reg, orig); 1122 return res == val; 1123 } 1124 1125 /* check the volume resolution of center/lfe */ 1126 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1127 { 1128 unsigned short val, val1; 1129 1130 *max = 63; 1131 val = 0x8080 | (0x20 << shift); 1132 snd_ac97_write(ac97, reg, val); 1133 val1 = snd_ac97_read(ac97, reg); 1134 if (val != val1) { 1135 *max = 31; 1136 } 1137 /* reset volume to zero */ 1138 snd_ac97_write_cache(ac97, reg, 0x8080); 1139 } 1140 1141 static inline int printable(unsigned int x) 1142 { 1143 x &= 0xff; 1144 if (x < ' ' || x >= 0x71) { 1145 if (x <= 0x89) 1146 return x - 0x71 + 'A'; 1147 return '?'; 1148 } 1149 return x; 1150 } 1151 1152 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, 1153 struct snd_ac97 * ac97) 1154 { 1155 struct snd_kcontrol_new template; 1156 memcpy(&template, _template, sizeof(template)); 1157 template.index = ac97->num; 1158 return snd_ctl_new1(&template, ac97); 1159 } 1160 1161 /* 1162 * create mute switch(es) for normal stereo controls 1163 */ 1164 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1165 int check_stereo, int check_amix, 1166 struct snd_ac97 *ac97) 1167 { 1168 struct snd_kcontrol *kctl; 1169 int err; 1170 unsigned short val, val1, mute_mask; 1171 1172 if (! snd_ac97_valid_reg(ac97, reg)) 1173 return 0; 1174 1175 mute_mask = 0x8000; 1176 val = snd_ac97_read(ac97, reg); 1177 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1178 /* check whether both mute bits work */ 1179 val1 = val | 0x8080; 1180 snd_ac97_write(ac97, reg, val1); 1181 if (val1 == snd_ac97_read(ac97, reg)) 1182 mute_mask = 0x8080; 1183 } 1184 if (mute_mask == 0x8080) { 1185 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1186 if (check_amix) 1187 tmp.private_value |= (1 << 30); 1188 tmp.index = ac97->num; 1189 kctl = snd_ctl_new1(&tmp, ac97); 1190 } else { 1191 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1192 if (check_amix) 1193 tmp.private_value |= (1 << 30); 1194 tmp.index = ac97->num; 1195 kctl = snd_ctl_new1(&tmp, ac97); 1196 } 1197 err = snd_ctl_add(card, kctl); 1198 if (err < 0) 1199 return err; 1200 /* mute as default */ 1201 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1202 return 0; 1203 } 1204 1205 /* 1206 * set dB information 1207 */ 1208 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1209 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1210 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1211 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1212 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1213 1214 static const unsigned int *find_db_scale(unsigned int maxval) 1215 { 1216 switch (maxval) { 1217 case 0x0f: return db_scale_4bit; 1218 case 0x1f: return db_scale_5bit; 1219 case 0x3f: return db_scale_6bit; 1220 } 1221 return NULL; 1222 } 1223 1224 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1225 { 1226 kctl->tlv.p = tlv; 1227 if (tlv) 1228 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1229 } 1230 1231 /* 1232 * create a volume for normal stereo/mono controls 1233 */ 1234 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1235 unsigned int hi_max, struct snd_ac97 *ac97) 1236 { 1237 int err; 1238 struct snd_kcontrol *kctl; 1239 1240 if (! snd_ac97_valid_reg(ac97, reg)) 1241 return 0; 1242 if (hi_max) { 1243 /* invert */ 1244 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1245 tmp.index = ac97->num; 1246 kctl = snd_ctl_new1(&tmp, ac97); 1247 } else { 1248 /* invert */ 1249 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1250 tmp.index = ac97->num; 1251 kctl = snd_ctl_new1(&tmp, ac97); 1252 } 1253 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1254 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1255 else 1256 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1257 err = snd_ctl_add(card, kctl); 1258 if (err < 0) 1259 return err; 1260 snd_ac97_write_cache(ac97, reg, 1261 (snd_ac97_read(ac97, reg) & 0x8080) | 1262 lo_max | (hi_max << 8)); 1263 return 0; 1264 } 1265 1266 /* 1267 * create a mute-switch and a volume for normal stereo/mono controls 1268 */ 1269 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1270 int reg, int check_stereo, int check_amix, 1271 struct snd_ac97 *ac97) 1272 { 1273 int err; 1274 char name[44]; 1275 unsigned char lo_max, hi_max; 1276 1277 if (! snd_ac97_valid_reg(ac97, reg)) 1278 return 0; 1279 1280 if (snd_ac97_try_bit(ac97, reg, 15)) { 1281 sprintf(name, "%s Switch", pfx); 1282 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, 1283 check_stereo, check_amix, 1284 ac97)) < 0) 1285 return err; 1286 } 1287 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1288 if (lo_max) { 1289 sprintf(name, "%s Volume", pfx); 1290 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1291 return err; 1292 } 1293 return 0; 1294 } 1295 1296 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1297 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1298 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1299 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1300 1301 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1302 1303 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1304 { 1305 struct snd_card *card = ac97->bus->card; 1306 struct snd_kcontrol *kctl; 1307 int err; 1308 unsigned int idx; 1309 unsigned char max; 1310 1311 /* build master controls */ 1312 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1313 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1314 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1315 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1316 AC97_MASTER, 0, ac97); 1317 else 1318 err = snd_ac97_cmix_new(card, "Master Playback", 1319 AC97_MASTER, 0, ac97); 1320 if (err < 0) 1321 return err; 1322 } 1323 1324 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; 1325 1326 /* build center controls */ 1327 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1328 && !(ac97->flags & AC97_AD_MULTI)) { 1329 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1330 return err; 1331 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1332 return err; 1333 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1334 kctl->private_value &= ~(0xff << 16); 1335 kctl->private_value |= (int)max << 16; 1336 set_tlv_db_scale(kctl, find_db_scale(max)); 1337 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1338 } 1339 1340 /* build LFE controls */ 1341 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1342 && !(ac97->flags & AC97_AD_MULTI)) { 1343 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1344 return err; 1345 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1346 return err; 1347 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1348 kctl->private_value &= ~(0xff << 16); 1349 kctl->private_value |= (int)max << 16; 1350 set_tlv_db_scale(kctl, find_db_scale(max)); 1351 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1352 } 1353 1354 /* build surround controls */ 1355 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1356 && !(ac97->flags & AC97_AD_MULTI)) { 1357 /* Surround Master (0x38) is with stereo mutes */ 1358 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1359 AC97_SURROUND_MASTER, 1, 0, 1360 ac97)) < 0) 1361 return err; 1362 } 1363 1364 /* build headphone controls */ 1365 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1366 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", 1367 AC97_HEADPHONE, 0, ac97)) < 0) 1368 return err; 1369 } 1370 1371 /* build master mono controls */ 1372 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1373 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", 1374 AC97_MASTER_MONO, 0, ac97)) < 0) 1375 return err; 1376 } 1377 1378 /* build master tone controls */ 1379 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1380 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1381 for (idx = 0; idx < 2; idx++) { 1382 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1383 return err; 1384 if (ac97->id == AC97_ID_YMF743 || 1385 ac97->id == AC97_ID_YMF753) { 1386 kctl->private_value &= ~(0xff << 16); 1387 kctl->private_value |= 7 << 16; 1388 } 1389 } 1390 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1391 } 1392 } 1393 1394 /* build PC Speaker controls */ 1395 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1396 ((ac97->flags & AC97_HAS_PC_BEEP) || 1397 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1398 for (idx = 0; idx < 2; idx++) 1399 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1400 return err; 1401 set_tlv_db_scale(kctl, db_scale_4bit); 1402 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 1403 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); 1404 } 1405 1406 /* build Phone controls */ 1407 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1408 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1409 if ((err = snd_ac97_cmix_new(card, "Phone Playback", 1410 AC97_PHONE, 1, ac97)) < 0) 1411 return err; 1412 } 1413 } 1414 1415 /* build MIC controls */ 1416 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1417 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1418 if ((err = snd_ac97_cmix_new(card, "Mic Playback", 1419 AC97_MIC, 1, ac97)) < 0) 1420 return err; 1421 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1422 return err; 1423 } 1424 } 1425 1426 /* build Line controls */ 1427 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1428 if ((err = snd_ac97_cmix_new(card, "Line Playback", 1429 AC97_LINE, 1, ac97)) < 0) 1430 return err; 1431 } 1432 1433 /* build CD controls */ 1434 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1435 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1436 if ((err = snd_ac97_cmix_new(card, "CD Playback", 1437 AC97_CD, 1, ac97)) < 0) 1438 return err; 1439 } 1440 } 1441 1442 /* build Video controls */ 1443 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1444 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1445 if ((err = snd_ac97_cmix_new(card, "Video Playback", 1446 AC97_VIDEO, 1, ac97)) < 0) 1447 return err; 1448 } 1449 } 1450 1451 /* build Aux controls */ 1452 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1453 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1454 if ((err = snd_ac97_cmix_new(card, "Aux Playback", 1455 AC97_AUX, 1, ac97)) < 0) 1456 return err; 1457 } 1458 } 1459 1460 /* build PCM controls */ 1461 if (ac97->flags & AC97_AD_MULTI) { 1462 unsigned short init_val; 1463 if (ac97->flags & AC97_STEREO_MUTES) 1464 init_val = 0x9f9f; 1465 else 1466 init_val = 0x9f1f; 1467 for (idx = 0; idx < 2; idx++) 1468 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1469 return err; 1470 set_tlv_db_scale(kctl, db_scale_5bit); 1471 ac97->spec.ad18xx.pcmreg[0] = init_val; 1472 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1473 for (idx = 0; idx < 2; idx++) 1474 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1475 return err; 1476 set_tlv_db_scale(kctl, db_scale_5bit); 1477 ac97->spec.ad18xx.pcmreg[1] = init_val; 1478 } 1479 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1480 for (idx = 0; idx < 2; idx++) 1481 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1482 return err; 1483 set_tlv_db_scale(kctl, db_scale_5bit); 1484 for (idx = 0; idx < 2; idx++) 1485 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1486 return err; 1487 set_tlv_db_scale(kctl, db_scale_5bit); 1488 ac97->spec.ad18xx.pcmreg[2] = init_val; 1489 } 1490 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1491 } else { 1492 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1493 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1494 err = snd_ac97_cmute_new(card, 1495 "PCM Playback Switch", 1496 AC97_PCM, 0, ac97); 1497 else 1498 err = snd_ac97_cmix_new(card, "PCM Playback", 1499 AC97_PCM, 0, ac97); 1500 if (err < 0) 1501 return err; 1502 } 1503 } 1504 1505 /* build Capture controls */ 1506 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1507 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1508 return err; 1509 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1510 err = snd_ac97_cmute_new(card, "Capture Switch", 1511 AC97_REC_GAIN, 0, ac97); 1512 if (err < 0) 1513 return err; 1514 } 1515 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1516 return err; 1517 set_tlv_db_scale(kctl, db_scale_rec_gain); 1518 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1519 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1520 } 1521 /* build MIC Capture controls */ 1522 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1523 for (idx = 0; idx < 2; idx++) 1524 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1525 return err; 1526 set_tlv_db_scale(kctl, db_scale_rec_gain); 1527 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1528 } 1529 1530 /* build PCM out path & mute control */ 1531 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1532 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1533 return err; 1534 } 1535 1536 /* build Simulated Stereo Enhancement control */ 1537 if (ac97->caps & 0x0008) { 1538 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1539 return err; 1540 } 1541 1542 /* build 3D Stereo Enhancement control */ 1543 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1544 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1545 return err; 1546 } 1547 1548 /* build Loudness control */ 1549 if (ac97->caps & 0x0020) { 1550 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1551 return err; 1552 } 1553 1554 /* build Mono output select control */ 1555 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1556 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1557 return err; 1558 } 1559 1560 /* build Mic select control */ 1561 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1562 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1563 return err; 1564 } 1565 1566 /* build ADC/DAC loopback control */ 1567 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1568 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1569 return err; 1570 } 1571 1572 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1573 1574 /* build 3D controls */ 1575 if (ac97->build_ops->build_3d) { 1576 ac97->build_ops->build_3d(ac97); 1577 } else { 1578 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1579 unsigned short val; 1580 val = 0x0707; 1581 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1582 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1583 val = val == 0x0606; 1584 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1585 return err; 1586 if (val) 1587 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1588 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1589 return err; 1590 if (val) 1591 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1592 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1593 } 1594 } 1595 1596 /* build S/PDIF controls */ 1597 1598 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1599 if (ac97->subsystem_vendor == 0x1043 && 1600 ac97->subsystem_device == 0x810f) 1601 ac97->ext_id |= AC97_EI_SPDIF; 1602 1603 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1604 if (ac97->build_ops->build_spdif) { 1605 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1606 return err; 1607 } else { 1608 for (idx = 0; idx < 5; idx++) 1609 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1610 return err; 1611 if (ac97->build_ops->build_post_spdif) { 1612 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1613 return err; 1614 } 1615 /* set default PCM S/PDIF params */ 1616 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1617 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1618 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1619 } 1620 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1621 } 1622 1623 /* build chip specific controls */ 1624 if (ac97->build_ops->build_specific) 1625 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1626 return err; 1627 1628 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1629 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1630 if (! kctl) 1631 return -ENOMEM; 1632 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1633 set_inv_eapd(ac97, kctl); 1634 if ((err = snd_ctl_add(card, kctl)) < 0) 1635 return err; 1636 } 1637 1638 return 0; 1639 } 1640 1641 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1642 { 1643 int err, idx; 1644 1645 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG)); 1646 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1647 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1648 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1649 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1650 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1651 1652 /* build modem switches */ 1653 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1654 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1655 return err; 1656 1657 /* build chip specific controls */ 1658 if (ac97->build_ops->build_specific) 1659 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1660 return err; 1661 1662 return 0; 1663 } 1664 1665 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1666 { 1667 unsigned short val; 1668 unsigned int tmp; 1669 1670 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1671 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1672 if (shadow_reg) 1673 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1674 val = snd_ac97_read(ac97, reg); 1675 return val == (tmp & 0xffff); 1676 } 1677 1678 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1679 { 1680 unsigned int result = 0; 1681 unsigned short saved; 1682 1683 if (ac97->bus->no_vra) { 1684 *r_result = SNDRV_PCM_RATE_48000; 1685 if ((ac97->flags & AC97_DOUBLE_RATE) && 1686 reg == AC97_PCM_FRONT_DAC_RATE) 1687 *r_result |= SNDRV_PCM_RATE_96000; 1688 return; 1689 } 1690 1691 saved = snd_ac97_read(ac97, reg); 1692 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1693 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1694 AC97_EA_DRA, 0); 1695 /* test a non-standard rate */ 1696 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1697 result |= SNDRV_PCM_RATE_CONTINUOUS; 1698 /* let's try to obtain standard rates */ 1699 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1700 result |= SNDRV_PCM_RATE_8000; 1701 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1702 result |= SNDRV_PCM_RATE_11025; 1703 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1704 result |= SNDRV_PCM_RATE_16000; 1705 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1706 result |= SNDRV_PCM_RATE_22050; 1707 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1708 result |= SNDRV_PCM_RATE_32000; 1709 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1710 result |= SNDRV_PCM_RATE_44100; 1711 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1712 result |= SNDRV_PCM_RATE_48000; 1713 if ((ac97->flags & AC97_DOUBLE_RATE) && 1714 reg == AC97_PCM_FRONT_DAC_RATE) { 1715 /* test standard double rates */ 1716 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1717 AC97_EA_DRA, AC97_EA_DRA); 1718 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1719 result |= SNDRV_PCM_RATE_64000; 1720 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1721 result |= SNDRV_PCM_RATE_88200; 1722 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1723 result |= SNDRV_PCM_RATE_96000; 1724 /* some codecs don't support variable double rates */ 1725 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1726 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1727 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1728 AC97_EA_DRA, 0); 1729 } 1730 /* restore the default value */ 1731 snd_ac97_write_cache(ac97, reg, saved); 1732 if (shadow_reg) 1733 snd_ac97_write_cache(ac97, shadow_reg, saved); 1734 *r_result = result; 1735 } 1736 1737 /* check AC97_SPDIF register to accept which sample rates */ 1738 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1739 { 1740 unsigned int result = 0; 1741 int i; 1742 static unsigned short ctl_bits[] = { 1743 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1744 }; 1745 static unsigned int rate_bits[] = { 1746 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1747 }; 1748 1749 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1750 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1751 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1752 result |= rate_bits[i]; 1753 } 1754 return result; 1755 } 1756 1757 /* look for the codec id table matching with the given id */ 1758 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1759 unsigned int id) 1760 { 1761 const struct ac97_codec_id *pid; 1762 1763 for (pid = table; pid->id; pid++) 1764 if (pid->id == (id & pid->mask)) 1765 return pid; 1766 return NULL; 1767 } 1768 1769 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1770 { 1771 const struct ac97_codec_id *pid; 1772 1773 sprintf(name, "0x%x %c%c%c", id, 1774 printable(id >> 24), 1775 printable(id >> 16), 1776 printable(id >> 8)); 1777 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1778 if (! pid) 1779 return; 1780 1781 strcpy(name, pid->name); 1782 if (ac97 && pid->patch) { 1783 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1784 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1785 pid->patch(ac97); 1786 } 1787 1788 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1789 if (pid) { 1790 strcat(name, " "); 1791 strcat(name, pid->name); 1792 if (pid->mask != 0xffffffff) 1793 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1794 if (ac97 && pid->patch) { 1795 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1796 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1797 pid->patch(ac97); 1798 } 1799 } else 1800 sprintf(name + strlen(name), " id %x", id & 0xff); 1801 } 1802 1803 /** 1804 * snd_ac97_get_short_name - retrieve codec name 1805 * @ac97: the codec instance 1806 * 1807 * Returns the short identifying name of the codec. 1808 */ 1809 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1810 { 1811 const struct ac97_codec_id *pid; 1812 1813 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1814 if (pid->id == (ac97->id & pid->mask)) 1815 return pid->name; 1816 return "unknown codec"; 1817 } 1818 1819 EXPORT_SYMBOL(snd_ac97_get_short_name); 1820 1821 /* wait for a while until registers are accessible after RESET 1822 * return 0 if ok, negative not ready 1823 */ 1824 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1825 { 1826 unsigned long end_time; 1827 unsigned short val; 1828 1829 end_time = jiffies + timeout; 1830 do { 1831 1832 /* use preliminary reads to settle the communication */ 1833 snd_ac97_read(ac97, AC97_RESET); 1834 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1835 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1836 /* modem? */ 1837 if (with_modem) { 1838 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1839 if (val != 0xffff && (val & 1) != 0) 1840 return 0; 1841 } 1842 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1843 /* probably only Xbox issue - all registers are read as zero */ 1844 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1845 if (val != 0 && val != 0xffff) 1846 return 0; 1847 } else { 1848 /* because the PCM or MASTER volume registers can be modified, 1849 * the REC_GAIN register is used for tests 1850 */ 1851 /* test if we can write to the record gain volume register */ 1852 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1853 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1854 return 0; 1855 } 1856 schedule_timeout_uninterruptible(1); 1857 } while (time_after_eq(end_time, jiffies)); 1858 return -ENODEV; 1859 } 1860 1861 /** 1862 * snd_ac97_bus - create an AC97 bus component 1863 * @card: the card instance 1864 * @num: the bus number 1865 * @ops: the bus callbacks table 1866 * @private_data: private data pointer for the new instance 1867 * @rbus: the pointer to store the new AC97 bus instance. 1868 * 1869 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1870 * allocated and initialized. 1871 * 1872 * The ops table must include valid callbacks (at least read and 1873 * write). The other callbacks, wait and reset, are not mandatory. 1874 * 1875 * The clock is set to 48000. If another clock is needed, set 1876 * (*rbus)->clock manually. 1877 * 1878 * The AC97 bus instance is registered as a low-level device, so you don't 1879 * have to release it manually. 1880 * 1881 * Returns zero if successful, or a negative error code on failure. 1882 */ 1883 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1884 void *private_data, struct snd_ac97_bus **rbus) 1885 { 1886 int err; 1887 struct snd_ac97_bus *bus; 1888 static struct snd_device_ops dev_ops = { 1889 .dev_free = snd_ac97_bus_dev_free, 1890 }; 1891 1892 snd_assert(card != NULL, return -EINVAL); 1893 snd_assert(rbus != NULL, return -EINVAL); 1894 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1895 if (bus == NULL) 1896 return -ENOMEM; 1897 bus->card = card; 1898 bus->num = num; 1899 bus->ops = ops; 1900 bus->private_data = private_data; 1901 bus->clock = 48000; 1902 spin_lock_init(&bus->bus_lock); 1903 snd_ac97_bus_proc_init(bus); 1904 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1905 snd_ac97_bus_free(bus); 1906 return err; 1907 } 1908 *rbus = bus; 1909 return 0; 1910 } 1911 1912 EXPORT_SYMBOL(snd_ac97_bus); 1913 1914 /* stop no dev release warning */ 1915 static void ac97_device_release(struct device * dev) 1916 { 1917 } 1918 1919 /* register ac97 codec to bus */ 1920 static int snd_ac97_dev_register(struct snd_device *device) 1921 { 1922 struct snd_ac97 *ac97 = device->device_data; 1923 int err; 1924 1925 ac97->dev.bus = &ac97_bus_type; 1926 ac97->dev.parent = ac97->bus->card->dev; 1927 ac97->dev.release = ac97_device_release; 1928 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s", 1929 ac97->bus->card->number, ac97->num, 1930 snd_ac97_get_short_name(ac97)); 1931 if ((err = device_register(&ac97->dev)) < 0) { 1932 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1933 ac97->dev.bus = NULL; 1934 return err; 1935 } 1936 return 0; 1937 } 1938 1939 /* disconnect ac97 codec */ 1940 static int snd_ac97_dev_disconnect(struct snd_device *device) 1941 { 1942 struct snd_ac97 *ac97 = device->device_data; 1943 if (ac97->dev.bus) 1944 device_unregister(&ac97->dev); 1945 return 0; 1946 } 1947 1948 /* build_ops to do nothing */ 1949 static struct snd_ac97_build_ops null_build_ops; 1950 1951 #ifdef CONFIG_SND_AC97_POWER_SAVE 1952 static void do_update_power(struct work_struct *work) 1953 { 1954 update_power_regs( 1955 container_of(work, struct snd_ac97, power_work.work)); 1956 } 1957 #endif 1958 1959 /** 1960 * snd_ac97_mixer - create an Codec97 component 1961 * @bus: the AC97 bus which codec is attached to 1962 * @template: the template of ac97, including index, callbacks and 1963 * the private data. 1964 * @rac97: the pointer to store the new ac97 instance. 1965 * 1966 * Creates an Codec97 component. An struct snd_ac97 instance is newly 1967 * allocated and initialized from the template. The codec 1968 * is then initialized by the standard procedure. 1969 * 1970 * The template must include the codec number (num) and address (addr), 1971 * and the private data (private_data). 1972 * 1973 * The ac97 instance is registered as a low-level device, so you don't 1974 * have to release it manually. 1975 * 1976 * Returns zero if successful, or a negative error code on failure. 1977 */ 1978 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 1979 { 1980 int err; 1981 struct snd_ac97 *ac97; 1982 struct snd_card *card; 1983 char name[64]; 1984 unsigned long end_time; 1985 unsigned int reg; 1986 const struct ac97_codec_id *pid; 1987 static struct snd_device_ops ops = { 1988 .dev_free = snd_ac97_dev_free, 1989 .dev_register = snd_ac97_dev_register, 1990 .dev_disconnect = snd_ac97_dev_disconnect, 1991 }; 1992 1993 snd_assert(rac97 != NULL, return -EINVAL); 1994 *rac97 = NULL; 1995 snd_assert(bus != NULL && template != NULL, return -EINVAL); 1996 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL); 1997 1998 card = bus->card; 1999 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 2000 if (ac97 == NULL) 2001 return -ENOMEM; 2002 ac97->private_data = template->private_data; 2003 ac97->private_free = template->private_free; 2004 ac97->bus = bus; 2005 ac97->pci = template->pci; 2006 ac97->num = template->num; 2007 ac97->addr = template->addr; 2008 ac97->scaps = template->scaps; 2009 ac97->res_table = template->res_table; 2010 bus->codec[ac97->num] = ac97; 2011 mutex_init(&ac97->reg_mutex); 2012 mutex_init(&ac97->page_mutex); 2013 #ifdef CONFIG_SND_AC97_POWER_SAVE 2014 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2015 #endif 2016 2017 #ifdef CONFIG_PCI 2018 if (ac97->pci) { 2019 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2020 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2021 } 2022 #endif 2023 if (bus->ops->reset) { 2024 bus->ops->reset(ac97); 2025 goto __access_ok; 2026 } 2027 2028 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2029 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2030 if (ac97->id && ac97->id != (unsigned int)-1) { 2031 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2032 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2033 goto __access_ok; 2034 } 2035 2036 /* reset to defaults */ 2037 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2038 snd_ac97_write(ac97, AC97_RESET, 0); 2039 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2040 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2041 if (bus->ops->wait) 2042 bus->ops->wait(ac97); 2043 else { 2044 udelay(50); 2045 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2046 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2047 else { 2048 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2049 if (err < 0) 2050 err = ac97_reset_wait(ac97, 2051 msecs_to_jiffies(500), 1); 2052 } 2053 if (err < 0) { 2054 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 2055 /* proceed anyway - it's often non-critical */ 2056 } 2057 } 2058 __access_ok: 2059 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2060 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2061 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2062 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2063 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 2064 snd_ac97_free(ac97); 2065 return -EIO; 2066 } 2067 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2068 if (pid) 2069 ac97->flags |= pid->flags; 2070 2071 /* test for AC'97 */ 2072 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2073 /* test if we can write to the record gain volume register */ 2074 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2075 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 2076 ac97->scaps |= AC97_SCAP_AUDIO; 2077 } 2078 if (ac97->scaps & AC97_SCAP_AUDIO) { 2079 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2080 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2081 if (ac97->ext_id == 0xffff) /* invalid combination */ 2082 ac97->ext_id = 0; 2083 } 2084 2085 /* test for MC'97 */ 2086 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2087 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2088 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2089 ac97->ext_mid = 0; 2090 if (ac97->ext_mid & 1) 2091 ac97->scaps |= AC97_SCAP_MODEM; 2092 } 2093 2094 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2095 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2096 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 2097 snd_ac97_free(ac97); 2098 return -EACCES; 2099 } 2100 2101 if (bus->ops->reset) // FIXME: always skipping? 2102 goto __ready_ok; 2103 2104 /* FIXME: add powerdown control */ 2105 if (ac97_is_audio(ac97)) { 2106 /* nothing should be in powerdown mode */ 2107 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2108 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2109 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2110 udelay(100); 2111 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2112 } 2113 /* nothing should be in powerdown mode */ 2114 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2115 end_time = jiffies + msecs_to_jiffies(100); 2116 do { 2117 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2118 goto __ready_ok; 2119 schedule_timeout_uninterruptible(1); 2120 } while (time_after_eq(end_time, jiffies)); 2121 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 2122 } 2123 2124 /* FIXME: add powerdown control */ 2125 if (ac97_is_modem(ac97)) { 2126 unsigned char tmp; 2127 2128 /* nothing should be in powerdown mode */ 2129 /* note: it's important to set the rate at first */ 2130 tmp = AC97_MEA_GPIO; 2131 if (ac97->ext_mid & AC97_MEI_LINE1) { 2132 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2133 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2134 } 2135 if (ac97->ext_mid & AC97_MEI_LINE2) { 2136 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2137 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2138 } 2139 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2140 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2141 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2142 } 2143 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2144 udelay(100); 2145 /* nothing should be in powerdown mode */ 2146 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2147 end_time = jiffies + msecs_to_jiffies(100); 2148 do { 2149 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2150 goto __ready_ok; 2151 schedule_timeout_uninterruptible(1); 2152 } while (time_after_eq(end_time, jiffies)); 2153 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2154 } 2155 2156 __ready_ok: 2157 if (ac97_is_audio(ac97)) 2158 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2159 else 2160 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2161 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2162 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2163 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2164 if (! bus->no_vra) 2165 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2166 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2167 } 2168 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2169 /* Intel controllers require double rate data to be put in 2170 * slots 7+8, so let's hope the codec supports it. */ 2171 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2172 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2173 ac97->flags |= AC97_DOUBLE_RATE; 2174 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2175 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2176 } 2177 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2178 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2179 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2180 } else { 2181 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2182 if (ac97->flags & AC97_DOUBLE_RATE) 2183 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2184 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2185 } 2186 if (ac97->ext_id & AC97_EI_SPDIF) { 2187 /* codec specific code (patch) should override these values */ 2188 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2189 } 2190 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2191 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2192 } else { 2193 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2194 } 2195 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2196 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2197 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2198 } 2199 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2200 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2201 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2202 } 2203 /* additional initializations */ 2204 if (bus->ops->init) 2205 bus->ops->init(ac97); 2206 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2207 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2208 if (! ac97->build_ops) 2209 ac97->build_ops = &null_build_ops; 2210 2211 if (ac97_is_audio(ac97)) { 2212 char comp[16]; 2213 if (card->mixername[0] == '\0') { 2214 strcpy(card->mixername, name); 2215 } else { 2216 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2217 strcat(card->mixername, ","); 2218 strcat(card->mixername, name); 2219 } 2220 } 2221 sprintf(comp, "AC97a:%08x", ac97->id); 2222 if ((err = snd_component_add(card, comp)) < 0) { 2223 snd_ac97_free(ac97); 2224 return err; 2225 } 2226 if (snd_ac97_mixer_build(ac97) < 0) { 2227 snd_ac97_free(ac97); 2228 return -ENOMEM; 2229 } 2230 } 2231 if (ac97_is_modem(ac97)) { 2232 char comp[16]; 2233 if (card->mixername[0] == '\0') { 2234 strcpy(card->mixername, name); 2235 } else { 2236 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2237 strcat(card->mixername, ","); 2238 strcat(card->mixername, name); 2239 } 2240 } 2241 sprintf(comp, "AC97m:%08x", ac97->id); 2242 if ((err = snd_component_add(card, comp)) < 0) { 2243 snd_ac97_free(ac97); 2244 return err; 2245 } 2246 if (snd_ac97_modem_build(card, ac97) < 0) { 2247 snd_ac97_free(ac97); 2248 return -ENOMEM; 2249 } 2250 } 2251 if (ac97_is_audio(ac97)) 2252 update_power_regs(ac97); 2253 snd_ac97_proc_init(ac97); 2254 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2255 snd_ac97_free(ac97); 2256 return err; 2257 } 2258 *rac97 = ac97; 2259 return 0; 2260 } 2261 2262 EXPORT_SYMBOL(snd_ac97_mixer); 2263 2264 /* 2265 * Power down the chip. 2266 * 2267 * MASTER and HEADPHONE registers are muted but the register cache values 2268 * are not changed, so that the values can be restored in snd_ac97_resume(). 2269 */ 2270 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2271 { 2272 unsigned short power; 2273 2274 if (ac97_is_audio(ac97)) { 2275 /* some codecs have stereo mute bits */ 2276 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2277 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2278 } 2279 2280 /* surround, CLFE, mic powerdown */ 2281 power = ac97->regs[AC97_EXTENDED_STATUS]; 2282 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2283 power |= AC97_EA_PRJ; 2284 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2285 power |= AC97_EA_PRI | AC97_EA_PRK; 2286 power |= AC97_EA_PRL; 2287 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2288 2289 /* powerdown external amplifier */ 2290 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2291 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2292 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2293 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2294 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2295 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2296 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2297 udelay(100); 2298 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ 2299 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2300 if (ac97_is_power_save_mode(ac97)) { 2301 power |= AC97_PD_PR3; /* Analog Mixer powerdown */ 2302 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2303 udelay(100); 2304 /* AC-link powerdown, internal Clk disable */ 2305 /* FIXME: this may cause click noises on some boards */ 2306 power |= AC97_PD_PR4 | AC97_PD_PR5; 2307 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2308 } 2309 } 2310 2311 2312 struct ac97_power_reg { 2313 unsigned short reg; 2314 unsigned short power_reg; 2315 unsigned short mask; 2316 }; 2317 2318 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2319 2320 static struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2321 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2322 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2323 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2324 AC97_EA_PRI | AC97_EA_PRK}, 2325 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2326 AC97_EA_PRJ}, 2327 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2328 AC97_EA_PRL}, 2329 }; 2330 2331 #ifdef CONFIG_SND_AC97_POWER_SAVE 2332 /** 2333 * snd_ac97_update_power - update the powerdown register 2334 * @ac97: the codec instance 2335 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2336 * @powerup: non-zero when power up the part 2337 * 2338 * Update the AC97 powerdown register bits of the given part. 2339 */ 2340 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2341 { 2342 int i; 2343 2344 if (! ac97) 2345 return 0; 2346 2347 if (reg) { 2348 /* SPDIF requires DAC power, too */ 2349 if (reg == AC97_SPDIF) 2350 reg = AC97_PCM_FRONT_DAC_RATE; 2351 for (i = 0; i < PWIDX_SIZE; i++) { 2352 if (power_regs[i].reg == reg) { 2353 if (powerup) 2354 ac97->power_up |= (1 << i); 2355 else 2356 ac97->power_up &= ~(1 << i); 2357 break; 2358 } 2359 } 2360 } 2361 2362 if (ac97_is_power_save_mode(ac97) && !powerup) 2363 /* adjust power-down bits after two seconds delay 2364 * (for avoiding loud click noises for many (OSS) apps 2365 * that open/close frequently) 2366 */ 2367 schedule_delayed_work(&ac97->power_work, 2368 msecs_to_jiffies(power_save * 1000)); 2369 else { 2370 cancel_delayed_work(&ac97->power_work); 2371 update_power_regs(ac97); 2372 } 2373 2374 return 0; 2375 } 2376 2377 EXPORT_SYMBOL(snd_ac97_update_power); 2378 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2379 2380 static void update_power_regs(struct snd_ac97 *ac97) 2381 { 2382 unsigned int power_up, bits; 2383 int i; 2384 2385 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2386 power_up |= (1 << PWIDX_MIC); 2387 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2388 power_up |= (1 << PWIDX_SURR); 2389 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2390 power_up |= (1 << PWIDX_CLFE); 2391 #ifdef CONFIG_SND_AC97_POWER_SAVE 2392 if (ac97_is_power_save_mode(ac97)) 2393 power_up = ac97->power_up; 2394 #endif 2395 if (power_up) { 2396 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2397 /* needs power-up analog mix and vref */ 2398 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2399 AC97_PD_PR3, 0); 2400 msleep(1); 2401 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2402 AC97_PD_PR2, 0); 2403 } 2404 } 2405 for (i = 0; i < PWIDX_SIZE; i++) { 2406 if (power_up & (1 << i)) 2407 bits = 0; 2408 else 2409 bits = power_regs[i].mask; 2410 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2411 power_regs[i].mask, bits); 2412 } 2413 if (! power_up) { 2414 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2415 /* power down analog mix and vref */ 2416 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2417 AC97_PD_PR2, AC97_PD_PR2); 2418 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2419 AC97_PD_PR3, AC97_PD_PR3); 2420 } 2421 } 2422 } 2423 2424 2425 #ifdef CONFIG_PM 2426 /** 2427 * snd_ac97_suspend - General suspend function for AC97 codec 2428 * @ac97: the ac97 instance 2429 * 2430 * Suspends the codec, power down the chip. 2431 */ 2432 void snd_ac97_suspend(struct snd_ac97 *ac97) 2433 { 2434 if (! ac97) 2435 return; 2436 if (ac97->build_ops->suspend) 2437 ac97->build_ops->suspend(ac97); 2438 #ifdef CONFIG_SND_AC97_POWER_SAVE 2439 cancel_delayed_work(&ac97->power_work); 2440 flush_scheduled_work(); 2441 #endif 2442 snd_ac97_powerdown(ac97); 2443 } 2444 2445 EXPORT_SYMBOL(snd_ac97_suspend); 2446 2447 /* 2448 * restore ac97 status 2449 */ 2450 static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2451 { 2452 int i; 2453 2454 for (i = 2; i < 0x7c ; i += 2) { 2455 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2456 continue; 2457 /* restore only accessible registers 2458 * some chip (e.g. nm256) may hang up when unsupported registers 2459 * are accessed..! 2460 */ 2461 if (test_bit(i, ac97->reg_accessed)) { 2462 snd_ac97_write(ac97, i, ac97->regs[i]); 2463 snd_ac97_read(ac97, i); 2464 } 2465 } 2466 } 2467 2468 /* 2469 * restore IEC958 status 2470 */ 2471 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2472 { 2473 if (ac97->ext_id & AC97_EI_SPDIF) { 2474 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2475 /* reset spdif status */ 2476 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2477 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2478 if (ac97->flags & AC97_CS_SPDIF) 2479 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2480 else 2481 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2482 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2483 } 2484 } 2485 } 2486 2487 /** 2488 * snd_ac97_resume - General resume function for AC97 codec 2489 * @ac97: the ac97 instance 2490 * 2491 * Do the standard resume procedure, power up and restoring the 2492 * old register values. 2493 */ 2494 void snd_ac97_resume(struct snd_ac97 *ac97) 2495 { 2496 unsigned long end_time; 2497 2498 if (! ac97) 2499 return; 2500 2501 if (ac97->bus->ops->reset) { 2502 ac97->bus->ops->reset(ac97); 2503 goto __reset_ready; 2504 } 2505 2506 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2507 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2508 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2509 snd_ac97_write(ac97, AC97_RESET, 0); 2510 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2511 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2512 udelay(100); 2513 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2514 } 2515 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2516 2517 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2518 if (ac97_is_audio(ac97)) { 2519 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2520 end_time = jiffies + msecs_to_jiffies(100); 2521 do { 2522 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2523 break; 2524 schedule_timeout_uninterruptible(1); 2525 } while (time_after_eq(end_time, jiffies)); 2526 /* FIXME: extra delay */ 2527 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); 2528 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) 2529 msleep(250); 2530 } else { 2531 end_time = jiffies + msecs_to_jiffies(100); 2532 do { 2533 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2534 if (val != 0xffff && (val & 1) != 0) 2535 break; 2536 schedule_timeout_uninterruptible(1); 2537 } while (time_after_eq(end_time, jiffies)); 2538 } 2539 __reset_ready: 2540 2541 if (ac97->bus->ops->init) 2542 ac97->bus->ops->init(ac97); 2543 2544 if (ac97->build_ops->resume) 2545 ac97->build_ops->resume(ac97); 2546 else { 2547 snd_ac97_restore_status(ac97); 2548 snd_ac97_restore_iec958(ac97); 2549 } 2550 } 2551 2552 EXPORT_SYMBOL(snd_ac97_resume); 2553 #endif 2554 2555 2556 /* 2557 * Hardware tuning 2558 */ 2559 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2560 { 2561 if (suffix) 2562 sprintf(dst, "%s %s", src, suffix); 2563 else 2564 strcpy(dst, src); 2565 } 2566 2567 /* remove the control with the given name and optional suffix */ 2568 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2569 const char *suffix) 2570 { 2571 struct snd_ctl_elem_id id; 2572 memset(&id, 0, sizeof(id)); 2573 set_ctl_name(id.name, name, suffix); 2574 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2575 return snd_ctl_remove_id(ac97->bus->card, &id); 2576 } 2577 2578 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2579 { 2580 struct snd_ctl_elem_id sid; 2581 memset(&sid, 0, sizeof(sid)); 2582 set_ctl_name(sid.name, name, suffix); 2583 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2584 return snd_ctl_find_id(ac97->bus->card, &sid); 2585 } 2586 2587 /* rename the control with the given name and optional suffix */ 2588 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2589 const char *dst, const char *suffix) 2590 { 2591 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2592 if (kctl) { 2593 set_ctl_name(kctl->id.name, dst, suffix); 2594 return 0; 2595 } 2596 return -ENOENT; 2597 } 2598 2599 /* rename both Volume and Switch controls - don't check the return value */ 2600 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2601 const char *dst) 2602 { 2603 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2604 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2605 } 2606 2607 /* swap controls */ 2608 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2609 const char *s2, const char *suffix) 2610 { 2611 struct snd_kcontrol *kctl1, *kctl2; 2612 kctl1 = ctl_find(ac97, s1, suffix); 2613 kctl2 = ctl_find(ac97, s2, suffix); 2614 if (kctl1 && kctl2) { 2615 set_ctl_name(kctl1->id.name, s2, suffix); 2616 set_ctl_name(kctl2->id.name, s1, suffix); 2617 return 0; 2618 } 2619 return -ENOENT; 2620 } 2621 2622 #if 1 2623 /* bind hp and master controls instead of using only hp control */ 2624 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2625 { 2626 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2627 if (err > 0) { 2628 unsigned long priv_saved = kcontrol->private_value; 2629 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2630 snd_ac97_put_volsw(kcontrol, ucontrol); 2631 kcontrol->private_value = priv_saved; 2632 } 2633 return err; 2634 } 2635 2636 /* ac97 tune: bind Master and Headphone controls */ 2637 static int tune_hp_only(struct snd_ac97 *ac97) 2638 { 2639 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2640 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2641 if (! msw || ! mvol) 2642 return -ENOENT; 2643 msw->put = bind_hp_volsw_put; 2644 mvol->put = bind_hp_volsw_put; 2645 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2646 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2647 return 0; 2648 } 2649 2650 #else 2651 /* ac97 tune: use Headphone control as master */ 2652 static int tune_hp_only(struct snd_ac97 *ac97) 2653 { 2654 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2655 return -ENOENT; 2656 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2657 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2658 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2659 return 0; 2660 } 2661 #endif 2662 2663 /* ac97 tune: swap Headphone and Master controls */ 2664 static int tune_swap_hp(struct snd_ac97 *ac97) 2665 { 2666 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2667 return -ENOENT; 2668 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2669 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2670 return 0; 2671 } 2672 2673 /* ac97 tune: swap Surround and Master controls */ 2674 static int tune_swap_surround(struct snd_ac97 *ac97) 2675 { 2676 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2677 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2678 return -ENOENT; 2679 return 0; 2680 } 2681 2682 /* ac97 tune: set up mic sharing for AD codecs */ 2683 static int tune_ad_sharing(struct snd_ac97 *ac97) 2684 { 2685 unsigned short scfg; 2686 if ((ac97->id & 0xffffff00) != 0x41445300) { 2687 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2688 return -EINVAL; 2689 } 2690 /* Turn on OMS bit to route microphone to back panel */ 2691 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2692 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2693 return 0; 2694 } 2695 2696 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2697 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2698 2699 /* ac97 tune: set up ALC jack-select */ 2700 static int tune_alc_jack(struct snd_ac97 *ac97) 2701 { 2702 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2703 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2704 return -EINVAL; 2705 } 2706 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2707 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2708 if (ac97->id == AC97_ID_ALC658D) 2709 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2710 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2711 } 2712 2713 /* ac97 tune: inversed EAPD bit */ 2714 static int tune_inv_eapd(struct snd_ac97 *ac97) 2715 { 2716 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2717 if (! kctl) 2718 return -ENOENT; 2719 set_inv_eapd(ac97, kctl); 2720 return 0; 2721 } 2722 2723 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2724 { 2725 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2726 if (err > 0) { 2727 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2728 int shift = (kcontrol->private_value >> 8) & 0x0f; 2729 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2730 unsigned short mask; 2731 if (shift != rshift) 2732 mask = 0x8080; 2733 else 2734 mask = 0x8000; 2735 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2736 (ac97->regs[AC97_MASTER] & mask) == mask ? 2737 0x8000 : 0); 2738 } 2739 return err; 2740 } 2741 2742 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2743 static int tune_mute_led(struct snd_ac97 *ac97) 2744 { 2745 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2746 if (! msw) 2747 return -ENOENT; 2748 msw->put = master_mute_sw_put; 2749 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2750 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2751 ac97->scaps |= AC97_SCAP_EAPD_LED; 2752 return 0; 2753 } 2754 2755 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2756 struct snd_ctl_elem_value *ucontrol) 2757 { 2758 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2759 if (err > 0) { 2760 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2761 int shift = (kcontrol->private_value >> 8) & 0x0f; 2762 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2763 unsigned short mask; 2764 if (shift != rshift) 2765 mask = 0x8080; 2766 else 2767 mask = 0x8000; 2768 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2769 (ac97->regs[AC97_MASTER] & mask) == mask ? 2770 0x8000 : 0); 2771 } 2772 return err; 2773 } 2774 2775 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2776 { 2777 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2778 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2779 if (! msw || ! mvol) 2780 return -ENOENT; 2781 msw->put = hp_master_mute_sw_put; 2782 mvol->put = bind_hp_volsw_put; 2783 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2784 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2785 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2786 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2787 return 0; 2788 } 2789 2790 struct quirk_table { 2791 const char *name; 2792 int (*func)(struct snd_ac97 *); 2793 }; 2794 2795 static struct quirk_table applicable_quirks[] = { 2796 { "none", NULL }, 2797 { "hp_only", tune_hp_only }, 2798 { "swap_hp", tune_swap_hp }, 2799 { "swap_surround", tune_swap_surround }, 2800 { "ad_sharing", tune_ad_sharing }, 2801 { "alc_jack", tune_alc_jack }, 2802 { "inv_eapd", tune_inv_eapd }, 2803 { "mute_led", tune_mute_led }, 2804 { "hp_mute_led", tune_hp_mute_led }, 2805 }; 2806 2807 /* apply the quirk with the given type */ 2808 static int apply_quirk(struct snd_ac97 *ac97, int type) 2809 { 2810 if (type <= 0) 2811 return 0; 2812 else if (type >= ARRAY_SIZE(applicable_quirks)) 2813 return -EINVAL; 2814 if (applicable_quirks[type].func) 2815 return applicable_quirks[type].func(ac97); 2816 return 0; 2817 } 2818 2819 /* apply the quirk with the given name */ 2820 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2821 { 2822 int i; 2823 struct quirk_table *q; 2824 2825 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2826 q = &applicable_quirks[i]; 2827 if (q->name && ! strcmp(typestr, q->name)) 2828 return apply_quirk(ac97, i); 2829 } 2830 /* for compatibility, accept the numbers, too */ 2831 if (*typestr >= '0' && *typestr <= '9') 2832 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2833 return -EINVAL; 2834 } 2835 2836 /** 2837 * snd_ac97_tune_hardware - tune up the hardware 2838 * @ac97: the ac97 instance 2839 * @quirk: quirk list 2840 * @override: explicit quirk value (overrides the list if non-NULL) 2841 * 2842 * Do some workaround for each pci device, such as renaming of the 2843 * headphone (true line-out) control as "Master". 2844 * The quirk-list must be terminated with a zero-filled entry. 2845 * 2846 * Returns zero if successful, or a negative error code on failure. 2847 */ 2848 2849 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) 2850 { 2851 int result; 2852 2853 /* quirk overriden? */ 2854 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2855 result = apply_quirk_str(ac97, override); 2856 if (result < 0) 2857 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2858 return result; 2859 } 2860 2861 if (! quirk) 2862 return -EINVAL; 2863 2864 for (; quirk->subvendor; quirk++) { 2865 if (quirk->subvendor != ac97->subsystem_vendor) 2866 continue; 2867 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2868 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2869 if (quirk->codec_id && quirk->codec_id != ac97->id) 2870 continue; 2871 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2872 result = apply_quirk(ac97, quirk->type); 2873 if (result < 0) 2874 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2875 return result; 2876 } 2877 } 2878 return 0; 2879 } 2880 2881 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2882 2883 /* 2884 * INIT part 2885 */ 2886 2887 static int __init alsa_ac97_init(void) 2888 { 2889 return 0; 2890 } 2891 2892 static void __exit alsa_ac97_exit(void) 2893 { 2894 } 2895 2896 module_init(alsa_ac97_init) 2897 module_exit(alsa_ac97_exit) 2898