1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@suse.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 <sound/driver.h> 26 #include <linux/delay.h> 27 #include <linux/init.h> 28 #include <linux/slab.h> 29 #include <linux/pci.h> 30 #include <linux/moduleparam.h> 31 #include <linux/mutex.h> 32 #include <sound/core.h> 33 #include <sound/pcm.h> 34 #include <sound/tlv.h> 35 #include <sound/ac97_codec.h> 36 #include <sound/asoundef.h> 37 #include <sound/initval.h> 38 #include "ac97_local.h" 39 #include "ac97_id.h" 40 #include "ac97_patch.h" 41 42 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 43 MODULE_DESCRIPTION("Universal interface for Audio Codec '97"); 44 MODULE_LICENSE("GPL"); 45 46 static int enable_loopback; 47 48 module_param(enable_loopback, bool, 0444); 49 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control"); 50 51 #ifdef CONFIG_SND_AC97_POWER_SAVE 52 static int power_save; 53 module_param(power_save, bool, 0644); 54 MODULE_PARM_DESC(power_save, "Enable AC97 power-saving control"); 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", NULL, 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 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 436 { 437 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 438 439 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 440 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 441 uinfo->value.enumerated.items = e->mask; 442 443 if (uinfo->value.enumerated.item > e->mask - 1) 444 uinfo->value.enumerated.item = e->mask - 1; 445 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 446 return 0; 447 } 448 449 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 450 { 451 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 452 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 453 unsigned short val, bitmask; 454 455 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 456 ; 457 val = snd_ac97_read_cache(ac97, e->reg); 458 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 459 if (e->shift_l != e->shift_r) 460 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 461 462 return 0; 463 } 464 465 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 466 { 467 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 468 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 469 unsigned short val; 470 unsigned short mask, bitmask; 471 472 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 473 ; 474 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 475 return -EINVAL; 476 val = ucontrol->value.enumerated.item[0] << e->shift_l; 477 mask = (bitmask - 1) << e->shift_l; 478 if (e->shift_l != e->shift_r) { 479 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 480 return -EINVAL; 481 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 482 mask |= (bitmask - 1) << e->shift_r; 483 } 484 return snd_ac97_update_bits(ac97, e->reg, mask, val); 485 } 486 487 /* save/restore ac97 v2.3 paging */ 488 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 489 { 490 int page_save = -1; 491 if ((kcontrol->private_value & (1<<25)) && 492 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 493 (reg >= 0x60 && reg < 0x70)) { 494 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 495 mutex_lock(&ac97->page_mutex); /* lock paging */ 496 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 497 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 498 } 499 return page_save; 500 } 501 502 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 503 { 504 if (page_save >= 0) { 505 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 506 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 507 } 508 } 509 510 /* volume and switch controls */ 511 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 512 { 513 int mask = (kcontrol->private_value >> 16) & 0xff; 514 int shift = (kcontrol->private_value >> 8) & 0x0f; 515 int rshift = (kcontrol->private_value >> 12) & 0x0f; 516 517 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 518 uinfo->count = shift == rshift ? 1 : 2; 519 uinfo->value.integer.min = 0; 520 uinfo->value.integer.max = mask; 521 return 0; 522 } 523 524 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 525 { 526 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 527 int reg = kcontrol->private_value & 0xff; 528 int shift = (kcontrol->private_value >> 8) & 0x0f; 529 int rshift = (kcontrol->private_value >> 12) & 0x0f; 530 int mask = (kcontrol->private_value >> 16) & 0xff; 531 int invert = (kcontrol->private_value >> 24) & 0x01; 532 int page_save; 533 534 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 535 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 536 if (shift != rshift) 537 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 538 if (invert) { 539 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 540 if (shift != rshift) 541 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 542 } 543 snd_ac97_page_restore(ac97, page_save); 544 return 0; 545 } 546 547 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 548 { 549 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 550 int reg = kcontrol->private_value & 0xff; 551 int shift = (kcontrol->private_value >> 8) & 0x0f; 552 int rshift = (kcontrol->private_value >> 12) & 0x0f; 553 int mask = (kcontrol->private_value >> 16) & 0xff; 554 int invert = (kcontrol->private_value >> 24) & 0x01; 555 int err, page_save; 556 unsigned short val, val2, val_mask; 557 558 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 559 val = (ucontrol->value.integer.value[0] & mask); 560 if (invert) 561 val = mask - val; 562 val_mask = mask << shift; 563 val = val << shift; 564 if (shift != rshift) { 565 val2 = (ucontrol->value.integer.value[1] & mask); 566 if (invert) 567 val2 = mask - val2; 568 val_mask |= mask << rshift; 569 val |= val2 << rshift; 570 } 571 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 572 snd_ac97_page_restore(ac97, page_save); 573 #ifdef CONFIG_SND_AC97_POWER_SAVE 574 /* check analog mixer power-down */ 575 if ((val_mask & 0x8000) && 576 (kcontrol->private_value & (1<<30))) { 577 if (val & 0x8000) 578 ac97->power_up &= ~(1 << (reg>>1)); 579 else 580 ac97->power_up |= 1 << (reg>>1); 581 update_power_regs(ac97); 582 } 583 #endif 584 return err; 585 } 586 587 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 588 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 589 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 590 }; 591 592 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 593 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 594 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 595 }; 596 597 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 598 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), 599 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) 600 }; 601 602 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 603 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 604 605 606 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 607 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 608 static const char* std_mix[] = {"Mix", "Mic"}; 609 static const char* std_mic[] = {"Mic1", "Mic2"}; 610 611 static const struct ac97_enum std_enum[] = { 612 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 613 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 614 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 615 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 616 }; 617 618 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 619 AC97_ENUM("Capture Source", std_enum[0]); 620 621 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 622 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 623 624 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 625 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 626 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 627 }; 628 629 enum { 630 AC97_GENERAL_PCM_OUT = 0, 631 AC97_GENERAL_STEREO_ENHANCEMENT, 632 AC97_GENERAL_3D, 633 AC97_GENERAL_LOUDNESS, 634 AC97_GENERAL_MONO, 635 AC97_GENERAL_MIC, 636 AC97_GENERAL_LOOPBACK 637 }; 638 639 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 640 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 641 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 642 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 643 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 644 AC97_ENUM("Mono Output Select", std_enum[2]), 645 AC97_ENUM("Mic Select", std_enum[3]), 646 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 647 }; 648 649 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 650 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 651 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 652 }; 653 654 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 655 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 656 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 657 }; 658 659 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 660 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 661 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 662 }; 663 664 static const struct snd_kcontrol_new snd_ac97_control_eapd = 665 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 666 667 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 668 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 669 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 670 }; 671 672 /* change the existing EAPD control as inverted */ 673 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 674 { 675 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 676 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 677 ac97->scaps |= AC97_SCAP_INV_EAPD; 678 } 679 680 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 681 { 682 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 683 uinfo->count = 1; 684 return 0; 685 } 686 687 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 688 { 689 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 690 IEC958_AES0_NONAUDIO | 691 IEC958_AES0_CON_EMPHASIS_5015 | 692 IEC958_AES0_CON_NOT_COPYRIGHT; 693 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 694 IEC958_AES1_CON_ORIGINAL; 695 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 696 return 0; 697 } 698 699 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 700 { 701 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 702 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 703 IEC958_AES0_NONAUDIO | 704 IEC958_AES0_PRO_FS | 705 IEC958_AES0_PRO_EMPHASIS_5015; 706 return 0; 707 } 708 709 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 710 { 711 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 712 713 mutex_lock(&ac97->reg_mutex); 714 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 715 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 716 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 717 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 718 mutex_unlock(&ac97->reg_mutex); 719 return 0; 720 } 721 722 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 723 { 724 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 725 unsigned int new = 0; 726 unsigned short val = 0; 727 int change; 728 729 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 730 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 731 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 732 switch (new & IEC958_AES0_PRO_FS) { 733 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 734 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 735 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 736 default: val |= 1<<12; break; 737 } 738 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 739 val |= 1<<3; 740 } else { 741 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 742 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 743 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 744 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 745 val |= 1<<3; 746 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 747 val |= 1<<2; 748 val |= ((new >> 8) & 0xff) << 4; // category + original 749 switch ((new >> 24) & 0xff) { 750 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 751 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 752 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 753 default: val |= 1<<12; break; 754 } 755 } 756 757 mutex_lock(&ac97->reg_mutex); 758 change = ac97->spdif_status != new; 759 ac97->spdif_status = new; 760 761 if (ac97->flags & AC97_CS_SPDIF) { 762 int x = (val >> 12) & 0x03; 763 switch (x) { 764 case 0: x = 1; break; // 44.1 765 case 2: x = 0; break; // 48.0 766 default: x = 0; break; // illegal. 767 } 768 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 769 } else if (ac97->flags & AC97_CX_SPDIF) { 770 int v; 771 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 772 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 773 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 774 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 775 v); 776 } else { 777 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 778 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 779 780 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 781 if (extst & AC97_EA_SPDIF) { 782 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 783 } 784 } 785 mutex_unlock(&ac97->reg_mutex); 786 787 return change; 788 } 789 790 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 791 { 792 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 793 int reg = kcontrol->private_value & 0xff; 794 int shift = (kcontrol->private_value >> 8) & 0xff; 795 int mask = (kcontrol->private_value >> 16) & 0xff; 796 // int invert = (kcontrol->private_value >> 24) & 0xff; 797 unsigned short value, old, new; 798 int change; 799 800 value = (ucontrol->value.integer.value[0] & mask); 801 802 mutex_lock(&ac97->reg_mutex); 803 mask <<= shift; 804 value <<= shift; 805 old = snd_ac97_read_cache(ac97, reg); 806 new = (old & ~mask) | value; 807 change = old != new; 808 809 if (change) { 810 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 811 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 812 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 813 if (extst & AC97_EA_SPDIF) 814 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 815 } 816 mutex_unlock(&ac97->reg_mutex); 817 return change; 818 } 819 820 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 821 { 822 .access = SNDRV_CTL_ELEM_ACCESS_READ, 823 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 824 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 825 .info = snd_ac97_spdif_mask_info, 826 .get = snd_ac97_spdif_cmask_get, 827 }, 828 { 829 .access = SNDRV_CTL_ELEM_ACCESS_READ, 830 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 831 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 832 .info = snd_ac97_spdif_mask_info, 833 .get = snd_ac97_spdif_pmask_get, 834 }, 835 { 836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 838 .info = snd_ac97_spdif_mask_info, 839 .get = snd_ac97_spdif_default_get, 840 .put = snd_ac97_spdif_default_put, 841 }, 842 843 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 844 { 845 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 846 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 847 .info = snd_ac97_info_volsw, 848 .get = snd_ac97_get_volsw, 849 .put = snd_ac97_put_spsa, 850 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 851 }, 852 }; 853 854 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 855 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 856 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 857 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 858 859 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 860 { 861 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 862 int mask = (kcontrol->private_value >> 16) & 0x0f; 863 int lshift = (kcontrol->private_value >> 8) & 0x0f; 864 int rshift = (kcontrol->private_value >> 12) & 0x0f; 865 866 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 867 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 868 uinfo->count = 2; 869 else 870 uinfo->count = 1; 871 uinfo->value.integer.min = 0; 872 uinfo->value.integer.max = mask; 873 return 0; 874 } 875 876 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 877 { 878 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 879 int codec = kcontrol->private_value & 3; 880 int lshift = (kcontrol->private_value >> 8) & 0x0f; 881 int rshift = (kcontrol->private_value >> 12) & 0x0f; 882 int mask = (kcontrol->private_value >> 16) & 0xff; 883 884 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 885 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 886 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 887 return 0; 888 } 889 890 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 891 { 892 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 893 int codec = kcontrol->private_value & 3; 894 int lshift = (kcontrol->private_value >> 8) & 0x0f; 895 int rshift = (kcontrol->private_value >> 12) & 0x0f; 896 int mask = (kcontrol->private_value >> 16) & 0xff; 897 unsigned short val, valmask; 898 899 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 900 valmask = mask << lshift; 901 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 902 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 903 valmask |= mask << rshift; 904 } 905 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 906 } 907 908 #define AD18XX_PCM_VOLUME(xname, codec) \ 909 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 910 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 911 .private_value = codec } 912 913 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 914 { 915 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 916 uinfo->count = 2; 917 uinfo->value.integer.min = 0; 918 uinfo->value.integer.max = 31; 919 return 0; 920 } 921 922 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 923 { 924 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 925 int codec = kcontrol->private_value & 3; 926 927 mutex_lock(&ac97->page_mutex); 928 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 929 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 930 mutex_unlock(&ac97->page_mutex); 931 return 0; 932 } 933 934 static int snd_ac97_ad18xx_pcm_put_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 unsigned short val1, val2; 939 940 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 941 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 942 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 943 } 944 945 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 946 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 947 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 948 }; 949 950 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 951 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 952 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 953 }; 954 955 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 956 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 957 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 958 }; 959 960 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 961 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 962 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 963 }; 964 965 /* 966 * 967 */ 968 969 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 970 971 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 972 { 973 if (bus) { 974 snd_ac97_bus_proc_done(bus); 975 kfree(bus->pcms); 976 if (bus->private_free) 977 bus->private_free(bus); 978 kfree(bus); 979 } 980 return 0; 981 } 982 983 static int snd_ac97_bus_dev_free(struct snd_device *device) 984 { 985 struct snd_ac97_bus *bus = device->device_data; 986 return snd_ac97_bus_free(bus); 987 } 988 989 static int snd_ac97_free(struct snd_ac97 *ac97) 990 { 991 if (ac97) { 992 #ifdef CONFIG_SND_AC97_POWER_SAVE 993 cancel_delayed_work(&ac97->power_work); 994 flush_scheduled_work(); 995 #endif 996 snd_ac97_proc_done(ac97); 997 if (ac97->bus) 998 ac97->bus->codec[ac97->num] = NULL; 999 if (ac97->private_free) 1000 ac97->private_free(ac97); 1001 kfree(ac97); 1002 } 1003 return 0; 1004 } 1005 1006 static int snd_ac97_dev_free(struct snd_device *device) 1007 { 1008 struct snd_ac97 *ac97 = device->device_data; 1009 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1010 return snd_ac97_free(ac97); 1011 } 1012 1013 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1014 { 1015 unsigned short val, mask = 0x8000; 1016 1017 if (! snd_ac97_valid_reg(ac97, reg)) 1018 return 0; 1019 1020 switch (reg) { 1021 case AC97_MASTER_TONE: 1022 return ac97->caps & 0x04 ? 1 : 0; 1023 case AC97_HEADPHONE: 1024 return ac97->caps & 0x10 ? 1 : 0; 1025 case AC97_REC_GAIN_MIC: 1026 return ac97->caps & 0x01 ? 1 : 0; 1027 case AC97_3D_CONTROL: 1028 if (ac97->caps & 0x7c00) { 1029 val = snd_ac97_read(ac97, reg); 1030 /* if nonzero - fixed and we can't set it */ 1031 return val == 0; 1032 } 1033 return 0; 1034 case AC97_CENTER_LFE_MASTER: /* center */ 1035 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1036 return 0; 1037 break; 1038 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1039 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1040 return 0; 1041 reg = AC97_CENTER_LFE_MASTER; 1042 mask = 0x0080; 1043 break; 1044 case AC97_SURROUND_MASTER: 1045 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1046 return 0; 1047 break; 1048 } 1049 1050 val = snd_ac97_read(ac97, reg); 1051 if (!(val & mask)) { 1052 /* nothing seems to be here - mute flag is not set */ 1053 /* try another test */ 1054 snd_ac97_write_cache(ac97, reg, val | mask); 1055 val = snd_ac97_read(ac97, reg); 1056 val = snd_ac97_read(ac97, reg); 1057 if (!(val & mask)) 1058 return 0; /* nothing here */ 1059 } 1060 return 1; /* success, useable */ 1061 } 1062 1063 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1064 { 1065 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1066 unsigned char max[3] = { 63, 31, 15 }; 1067 int i; 1068 1069 /* first look up the static resolution table */ 1070 if (ac97->res_table) { 1071 const struct snd_ac97_res_table *tbl; 1072 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1073 if (tbl->reg == reg) { 1074 *lo_max = tbl->bits & 0xff; 1075 *hi_max = (tbl->bits >> 8) & 0xff; 1076 return; 1077 } 1078 } 1079 } 1080 1081 *lo_max = *hi_max = 0; 1082 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1083 unsigned short val; 1084 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); 1085 /* Do the read twice due to buffers on some ac97 codecs. 1086 * e.g. The STAC9704 returns exactly what you wrote the the register 1087 * if you read it immediately. This causes the detect routine to fail. 1088 */ 1089 val = snd_ac97_read(ac97, reg); 1090 val = snd_ac97_read(ac97, reg); 1091 if (! *lo_max && (val & 0x7f) == cbit[i]) 1092 *lo_max = max[i]; 1093 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1094 *hi_max = max[i]; 1095 if (*lo_max && *hi_max) 1096 break; 1097 } 1098 } 1099 1100 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1101 { 1102 unsigned short mask, val, orig, res; 1103 1104 mask = 1 << bit; 1105 orig = snd_ac97_read(ac97, reg); 1106 val = orig ^ mask; 1107 snd_ac97_write(ac97, reg, val); 1108 res = snd_ac97_read(ac97, reg); 1109 snd_ac97_write_cache(ac97, reg, orig); 1110 return res == val; 1111 } 1112 1113 /* check the volume resolution of center/lfe */ 1114 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1115 { 1116 unsigned short val, val1; 1117 1118 *max = 63; 1119 val = 0x8080 | (0x20 << shift); 1120 snd_ac97_write(ac97, reg, val); 1121 val1 = snd_ac97_read(ac97, reg); 1122 if (val != val1) { 1123 *max = 31; 1124 } 1125 /* reset volume to zero */ 1126 snd_ac97_write_cache(ac97, reg, 0x8080); 1127 } 1128 1129 static inline int printable(unsigned int x) 1130 { 1131 x &= 0xff; 1132 if (x < ' ' || x >= 0x71) { 1133 if (x <= 0x89) 1134 return x - 0x71 + 'A'; 1135 return '?'; 1136 } 1137 return x; 1138 } 1139 1140 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97) 1141 { 1142 struct snd_kcontrol_new template; 1143 memcpy(&template, _template, sizeof(template)); 1144 template.index = ac97->num; 1145 return snd_ctl_new1(&template, ac97); 1146 } 1147 1148 /* 1149 * create mute switch(es) for normal stereo controls 1150 */ 1151 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1152 int check_stereo, int check_amix, 1153 struct snd_ac97 *ac97) 1154 { 1155 struct snd_kcontrol *kctl; 1156 int err; 1157 unsigned short val, val1, mute_mask; 1158 1159 if (! snd_ac97_valid_reg(ac97, reg)) 1160 return 0; 1161 1162 mute_mask = 0x8000; 1163 val = snd_ac97_read(ac97, reg); 1164 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1165 /* check whether both mute bits work */ 1166 val1 = val | 0x8080; 1167 snd_ac97_write(ac97, reg, val1); 1168 if (val1 == snd_ac97_read(ac97, reg)) 1169 mute_mask = 0x8080; 1170 } 1171 if (mute_mask == 0x8080) { 1172 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1173 if (check_amix) 1174 tmp.private_value |= (1 << 30); 1175 tmp.index = ac97->num; 1176 kctl = snd_ctl_new1(&tmp, ac97); 1177 } else { 1178 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1179 if (check_amix) 1180 tmp.private_value |= (1 << 30); 1181 tmp.index = ac97->num; 1182 kctl = snd_ctl_new1(&tmp, ac97); 1183 } 1184 err = snd_ctl_add(card, kctl); 1185 if (err < 0) 1186 return err; 1187 /* mute as default */ 1188 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1189 return 0; 1190 } 1191 1192 /* 1193 * set dB information 1194 */ 1195 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1196 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1197 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1198 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1199 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1200 1201 static const unsigned int *find_db_scale(unsigned int maxval) 1202 { 1203 switch (maxval) { 1204 case 0x0f: return db_scale_4bit; 1205 case 0x1f: return db_scale_5bit; 1206 case 0x3f: return db_scale_6bit; 1207 } 1208 return NULL; 1209 } 1210 1211 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1212 { 1213 kctl->tlv.p = tlv; 1214 if (tlv) 1215 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1216 } 1217 1218 /* 1219 * create a volume for normal stereo/mono controls 1220 */ 1221 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1222 unsigned int hi_max, struct snd_ac97 *ac97) 1223 { 1224 int err; 1225 struct snd_kcontrol *kctl; 1226 1227 if (! snd_ac97_valid_reg(ac97, reg)) 1228 return 0; 1229 if (hi_max) { 1230 /* invert */ 1231 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1232 tmp.index = ac97->num; 1233 kctl = snd_ctl_new1(&tmp, ac97); 1234 } else { 1235 /* invert */ 1236 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1237 tmp.index = ac97->num; 1238 kctl = snd_ctl_new1(&tmp, ac97); 1239 } 1240 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1241 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1242 else 1243 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1244 err = snd_ctl_add(card, kctl); 1245 if (err < 0) 1246 return err; 1247 snd_ac97_write_cache(ac97, reg, 1248 (snd_ac97_read(ac97, reg) & 0x8080) | 1249 lo_max | (hi_max << 8)); 1250 return 0; 1251 } 1252 1253 /* 1254 * create a mute-switch and a volume for normal stereo/mono controls 1255 */ 1256 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1257 int reg, int check_stereo, int check_amix, 1258 struct snd_ac97 *ac97) 1259 { 1260 int err; 1261 char name[44]; 1262 unsigned char lo_max, hi_max; 1263 1264 if (! snd_ac97_valid_reg(ac97, reg)) 1265 return 0; 1266 1267 if (snd_ac97_try_bit(ac97, reg, 15)) { 1268 sprintf(name, "%s Switch", pfx); 1269 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, 1270 check_stereo, check_amix, 1271 ac97)) < 0) 1272 return err; 1273 } 1274 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1275 if (lo_max) { 1276 sprintf(name, "%s Volume", pfx); 1277 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1278 return err; 1279 } 1280 return 0; 1281 } 1282 1283 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1284 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1285 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1286 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1287 1288 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1289 1290 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1291 { 1292 struct snd_card *card = ac97->bus->card; 1293 struct snd_kcontrol *kctl; 1294 int err; 1295 unsigned int idx; 1296 unsigned char max; 1297 1298 /* build master controls */ 1299 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1300 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1301 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1302 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1303 AC97_MASTER, 0, ac97); 1304 else 1305 err = snd_ac97_cmix_new(card, "Master Playback", 1306 AC97_MASTER, 0, ac97); 1307 if (err < 0) 1308 return err; 1309 } 1310 1311 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; 1312 1313 /* build center controls */ 1314 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1315 && !(ac97->flags & AC97_AD_MULTI)) { 1316 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1317 return err; 1318 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1319 return err; 1320 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1321 kctl->private_value &= ~(0xff << 16); 1322 kctl->private_value |= (int)max << 16; 1323 set_tlv_db_scale(kctl, find_db_scale(max)); 1324 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1325 } 1326 1327 /* build LFE controls */ 1328 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1329 && !(ac97->flags & AC97_AD_MULTI)) { 1330 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1331 return err; 1332 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1333 return err; 1334 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1335 kctl->private_value &= ~(0xff << 16); 1336 kctl->private_value |= (int)max << 16; 1337 set_tlv_db_scale(kctl, find_db_scale(max)); 1338 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1339 } 1340 1341 /* build surround controls */ 1342 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1343 && !(ac97->flags & AC97_AD_MULTI)) { 1344 /* Surround Master (0x38) is with stereo mutes */ 1345 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1346 AC97_SURROUND_MASTER, 1, 0, 1347 ac97)) < 0) 1348 return err; 1349 } 1350 1351 /* build headphone controls */ 1352 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1353 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", 1354 AC97_HEADPHONE, 0, ac97)) < 0) 1355 return err; 1356 } 1357 1358 /* build master mono controls */ 1359 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1360 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", 1361 AC97_MASTER_MONO, 0, ac97)) < 0) 1362 return err; 1363 } 1364 1365 /* build master tone controls */ 1366 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1367 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1368 for (idx = 0; idx < 2; idx++) { 1369 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1370 return err; 1371 if (ac97->id == AC97_ID_YMF753) { 1372 kctl->private_value &= ~(0xff << 16); 1373 kctl->private_value |= 7 << 16; 1374 } 1375 } 1376 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1377 } 1378 } 1379 1380 /* build PC Speaker controls */ 1381 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1382 ((ac97->flags & AC97_HAS_PC_BEEP) || 1383 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1384 for (idx = 0; idx < 2; idx++) 1385 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1386 return err; 1387 set_tlv_db_scale(kctl, db_scale_4bit); 1388 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 1389 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); 1390 } 1391 1392 /* build Phone controls */ 1393 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1394 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1395 if ((err = snd_ac97_cmix_new(card, "Phone Playback", 1396 AC97_PHONE, 1, ac97)) < 0) 1397 return err; 1398 } 1399 } 1400 1401 /* build MIC controls */ 1402 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1403 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1404 if ((err = snd_ac97_cmix_new(card, "Mic Playback", 1405 AC97_MIC, 1, ac97)) < 0) 1406 return err; 1407 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1408 return err; 1409 } 1410 } 1411 1412 /* build Line controls */ 1413 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1414 if ((err = snd_ac97_cmix_new(card, "Line Playback", 1415 AC97_LINE, 1, ac97)) < 0) 1416 return err; 1417 } 1418 1419 /* build CD controls */ 1420 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1421 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1422 if ((err = snd_ac97_cmix_new(card, "CD Playback", 1423 AC97_CD, 1, ac97)) < 0) 1424 return err; 1425 } 1426 } 1427 1428 /* build Video controls */ 1429 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1430 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1431 if ((err = snd_ac97_cmix_new(card, "Video Playback", 1432 AC97_VIDEO, 1, ac97)) < 0) 1433 return err; 1434 } 1435 } 1436 1437 /* build Aux controls */ 1438 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1439 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1440 if ((err = snd_ac97_cmix_new(card, "Aux Playback", 1441 AC97_AUX, 1, ac97)) < 0) 1442 return err; 1443 } 1444 } 1445 1446 /* build PCM controls */ 1447 if (ac97->flags & AC97_AD_MULTI) { 1448 unsigned short init_val; 1449 if (ac97->flags & AC97_STEREO_MUTES) 1450 init_val = 0x9f9f; 1451 else 1452 init_val = 0x9f1f; 1453 for (idx = 0; idx < 2; idx++) 1454 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1455 return err; 1456 set_tlv_db_scale(kctl, db_scale_5bit); 1457 ac97->spec.ad18xx.pcmreg[0] = init_val; 1458 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1459 for (idx = 0; idx < 2; idx++) 1460 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1461 return err; 1462 set_tlv_db_scale(kctl, db_scale_5bit); 1463 ac97->spec.ad18xx.pcmreg[1] = init_val; 1464 } 1465 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1466 for (idx = 0; idx < 2; idx++) 1467 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1468 return err; 1469 set_tlv_db_scale(kctl, db_scale_5bit); 1470 for (idx = 0; idx < 2; idx++) 1471 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1472 return err; 1473 set_tlv_db_scale(kctl, db_scale_5bit); 1474 ac97->spec.ad18xx.pcmreg[2] = init_val; 1475 } 1476 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1477 } else { 1478 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1479 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1480 err = snd_ac97_cmute_new(card, 1481 "PCM Playback Switch", 1482 AC97_PCM, 0, ac97); 1483 else 1484 err = snd_ac97_cmix_new(card, "PCM Playback", 1485 AC97_PCM, 0, ac97); 1486 if (err < 0) 1487 return err; 1488 } 1489 } 1490 1491 /* build Capture controls */ 1492 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1493 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1494 return err; 1495 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1496 err = snd_ac97_cmute_new(card, "Capture Switch", 1497 AC97_REC_GAIN, 0, ac97); 1498 if (err < 0) 1499 return err; 1500 } 1501 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1502 return err; 1503 set_tlv_db_scale(kctl, db_scale_rec_gain); 1504 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1505 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1506 } 1507 /* build MIC Capture controls */ 1508 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1509 for (idx = 0; idx < 2; idx++) 1510 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1511 return err; 1512 set_tlv_db_scale(kctl, db_scale_rec_gain); 1513 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1514 } 1515 1516 /* build PCM out path & mute control */ 1517 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1518 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1519 return err; 1520 } 1521 1522 /* build Simulated Stereo Enhancement control */ 1523 if (ac97->caps & 0x0008) { 1524 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1525 return err; 1526 } 1527 1528 /* build 3D Stereo Enhancement control */ 1529 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1530 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1531 return err; 1532 } 1533 1534 /* build Loudness control */ 1535 if (ac97->caps & 0x0020) { 1536 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1537 return err; 1538 } 1539 1540 /* build Mono output select control */ 1541 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1542 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1543 return err; 1544 } 1545 1546 /* build Mic select control */ 1547 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1548 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1549 return err; 1550 } 1551 1552 /* build ADC/DAC loopback control */ 1553 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1554 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1555 return err; 1556 } 1557 1558 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1559 1560 /* build 3D controls */ 1561 if (ac97->build_ops->build_3d) { 1562 ac97->build_ops->build_3d(ac97); 1563 } else { 1564 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1565 unsigned short val; 1566 val = 0x0707; 1567 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1568 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1569 val = val == 0x0606; 1570 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1571 return err; 1572 if (val) 1573 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1574 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1575 return err; 1576 if (val) 1577 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1578 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1579 } 1580 } 1581 1582 /* build S/PDIF controls */ 1583 1584 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1585 if (ac97->subsystem_vendor == 0x1043 && 1586 ac97->subsystem_device == 0x810f) 1587 ac97->ext_id |= AC97_EI_SPDIF; 1588 1589 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1590 if (ac97->build_ops->build_spdif) { 1591 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1592 return err; 1593 } else { 1594 for (idx = 0; idx < 5; idx++) 1595 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1596 return err; 1597 if (ac97->build_ops->build_post_spdif) { 1598 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1599 return err; 1600 } 1601 /* set default PCM S/PDIF params */ 1602 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1603 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1604 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1605 } 1606 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1607 } 1608 1609 /* build chip specific controls */ 1610 if (ac97->build_ops->build_specific) 1611 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1612 return err; 1613 1614 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1615 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1616 if (! kctl) 1617 return -ENOMEM; 1618 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1619 set_inv_eapd(ac97, kctl); 1620 if ((err = snd_ctl_add(card, kctl)) < 0) 1621 return err; 1622 } 1623 1624 return 0; 1625 } 1626 1627 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1628 { 1629 int err, idx; 1630 1631 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG)); 1632 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1633 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1634 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1635 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1636 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1637 1638 /* build modem switches */ 1639 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1640 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1641 return err; 1642 1643 /* build chip specific controls */ 1644 if (ac97->build_ops->build_specific) 1645 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1646 return err; 1647 1648 return 0; 1649 } 1650 1651 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1652 { 1653 unsigned short val; 1654 unsigned int tmp; 1655 1656 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1657 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1658 if (shadow_reg) 1659 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1660 val = snd_ac97_read(ac97, reg); 1661 return val == (tmp & 0xffff); 1662 } 1663 1664 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1665 { 1666 unsigned int result = 0; 1667 unsigned short saved; 1668 1669 if (ac97->bus->no_vra) { 1670 *r_result = SNDRV_PCM_RATE_48000; 1671 if ((ac97->flags & AC97_DOUBLE_RATE) && 1672 reg == AC97_PCM_FRONT_DAC_RATE) 1673 *r_result |= SNDRV_PCM_RATE_96000; 1674 return; 1675 } 1676 1677 saved = snd_ac97_read(ac97, reg); 1678 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1679 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1680 AC97_EA_DRA, 0); 1681 /* test a non-standard rate */ 1682 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1683 result |= SNDRV_PCM_RATE_CONTINUOUS; 1684 /* let's try to obtain standard rates */ 1685 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1686 result |= SNDRV_PCM_RATE_8000; 1687 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1688 result |= SNDRV_PCM_RATE_11025; 1689 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1690 result |= SNDRV_PCM_RATE_16000; 1691 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1692 result |= SNDRV_PCM_RATE_22050; 1693 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1694 result |= SNDRV_PCM_RATE_32000; 1695 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1696 result |= SNDRV_PCM_RATE_44100; 1697 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1698 result |= SNDRV_PCM_RATE_48000; 1699 if ((ac97->flags & AC97_DOUBLE_RATE) && 1700 reg == AC97_PCM_FRONT_DAC_RATE) { 1701 /* test standard double rates */ 1702 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1703 AC97_EA_DRA, AC97_EA_DRA); 1704 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1705 result |= SNDRV_PCM_RATE_64000; 1706 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1707 result |= SNDRV_PCM_RATE_88200; 1708 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1709 result |= SNDRV_PCM_RATE_96000; 1710 /* some codecs don't support variable double rates */ 1711 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1712 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1713 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1714 AC97_EA_DRA, 0); 1715 } 1716 /* restore the default value */ 1717 snd_ac97_write_cache(ac97, reg, saved); 1718 if (shadow_reg) 1719 snd_ac97_write_cache(ac97, shadow_reg, saved); 1720 *r_result = result; 1721 } 1722 1723 /* check AC97_SPDIF register to accept which sample rates */ 1724 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1725 { 1726 unsigned int result = 0; 1727 int i; 1728 static unsigned short ctl_bits[] = { 1729 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1730 }; 1731 static unsigned int rate_bits[] = { 1732 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1733 }; 1734 1735 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1736 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1737 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1738 result |= rate_bits[i]; 1739 } 1740 return result; 1741 } 1742 1743 /* look for the codec id table matching with the given id */ 1744 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1745 unsigned int id) 1746 { 1747 const struct ac97_codec_id *pid; 1748 1749 for (pid = table; pid->id; pid++) 1750 if (pid->id == (id & pid->mask)) 1751 return pid; 1752 return NULL; 1753 } 1754 1755 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1756 { 1757 const struct ac97_codec_id *pid; 1758 1759 sprintf(name, "0x%x %c%c%c", id, 1760 printable(id >> 24), 1761 printable(id >> 16), 1762 printable(id >> 8)); 1763 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1764 if (! pid) 1765 return; 1766 1767 strcpy(name, pid->name); 1768 if (ac97 && pid->patch) { 1769 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1770 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1771 pid->patch(ac97); 1772 } 1773 1774 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1775 if (pid) { 1776 strcat(name, " "); 1777 strcat(name, pid->name); 1778 if (pid->mask != 0xffffffff) 1779 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1780 if (ac97 && pid->patch) { 1781 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1782 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1783 pid->patch(ac97); 1784 } 1785 } else 1786 sprintf(name + strlen(name), " id %x", id & 0xff); 1787 } 1788 1789 /** 1790 * snd_ac97_get_short_name - retrieve codec name 1791 * @ac97: the codec instance 1792 * 1793 * Returns the short identifying name of the codec. 1794 */ 1795 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1796 { 1797 const struct ac97_codec_id *pid; 1798 1799 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1800 if (pid->id == (ac97->id & pid->mask)) 1801 return pid->name; 1802 return "unknown codec"; 1803 } 1804 1805 EXPORT_SYMBOL(snd_ac97_get_short_name); 1806 1807 /* wait for a while until registers are accessible after RESET 1808 * return 0 if ok, negative not ready 1809 */ 1810 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1811 { 1812 unsigned long end_time; 1813 unsigned short val; 1814 1815 end_time = jiffies + timeout; 1816 do { 1817 1818 /* use preliminary reads to settle the communication */ 1819 snd_ac97_read(ac97, AC97_RESET); 1820 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1821 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1822 /* modem? */ 1823 if (with_modem) { 1824 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1825 if (val != 0xffff && (val & 1) != 0) 1826 return 0; 1827 } 1828 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1829 /* probably only Xbox issue - all registers are read as zero */ 1830 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1831 if (val != 0 && val != 0xffff) 1832 return 0; 1833 } else { 1834 /* because the PCM or MASTER volume registers can be modified, 1835 * the REC_GAIN register is used for tests 1836 */ 1837 /* test if we can write to the record gain volume register */ 1838 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1839 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1840 return 0; 1841 } 1842 schedule_timeout_uninterruptible(1); 1843 } while (time_after_eq(end_time, jiffies)); 1844 return -ENODEV; 1845 } 1846 1847 /** 1848 * snd_ac97_bus - create an AC97 bus component 1849 * @card: the card instance 1850 * @num: the bus number 1851 * @ops: the bus callbacks table 1852 * @private_data: private data pointer for the new instance 1853 * @rbus: the pointer to store the new AC97 bus instance. 1854 * 1855 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1856 * allocated and initialized. 1857 * 1858 * The ops table must include valid callbacks (at least read and 1859 * write). The other callbacks, wait and reset, are not mandatory. 1860 * 1861 * The clock is set to 48000. If another clock is needed, set 1862 * (*rbus)->clock manually. 1863 * 1864 * The AC97 bus instance is registered as a low-level device, so you don't 1865 * have to release it manually. 1866 * 1867 * Returns zero if successful, or a negative error code on failure. 1868 */ 1869 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1870 void *private_data, struct snd_ac97_bus **rbus) 1871 { 1872 int err; 1873 struct snd_ac97_bus *bus; 1874 static struct snd_device_ops dev_ops = { 1875 .dev_free = snd_ac97_bus_dev_free, 1876 }; 1877 1878 snd_assert(card != NULL, return -EINVAL); 1879 snd_assert(rbus != NULL, return -EINVAL); 1880 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1881 if (bus == NULL) 1882 return -ENOMEM; 1883 bus->card = card; 1884 bus->num = num; 1885 bus->ops = ops; 1886 bus->private_data = private_data; 1887 bus->clock = 48000; 1888 spin_lock_init(&bus->bus_lock); 1889 snd_ac97_bus_proc_init(bus); 1890 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1891 snd_ac97_bus_free(bus); 1892 return err; 1893 } 1894 *rbus = bus; 1895 return 0; 1896 } 1897 1898 EXPORT_SYMBOL(snd_ac97_bus); 1899 1900 /* stop no dev release warning */ 1901 static void ac97_device_release(struct device * dev) 1902 { 1903 } 1904 1905 /* register ac97 codec to bus */ 1906 static int snd_ac97_dev_register(struct snd_device *device) 1907 { 1908 struct snd_ac97 *ac97 = device->device_data; 1909 int err; 1910 1911 ac97->dev.bus = &ac97_bus_type; 1912 ac97->dev.parent = ac97->bus->card->dev; 1913 ac97->dev.release = ac97_device_release; 1914 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s", 1915 ac97->bus->card->number, ac97->num, 1916 snd_ac97_get_short_name(ac97)); 1917 if ((err = device_register(&ac97->dev)) < 0) { 1918 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1919 ac97->dev.bus = NULL; 1920 return err; 1921 } 1922 return 0; 1923 } 1924 1925 /* disconnect ac97 codec */ 1926 static int snd_ac97_dev_disconnect(struct snd_device *device) 1927 { 1928 struct snd_ac97 *ac97 = device->device_data; 1929 if (ac97->dev.bus) 1930 device_unregister(&ac97->dev); 1931 return 0; 1932 } 1933 1934 /* build_ops to do nothing */ 1935 static struct snd_ac97_build_ops null_build_ops; 1936 1937 #ifdef CONFIG_SND_AC97_POWER_SAVE 1938 static void do_update_power(struct work_struct *work) 1939 { 1940 update_power_regs( 1941 container_of(work, struct snd_ac97, power_work.work)); 1942 } 1943 #endif 1944 1945 /** 1946 * snd_ac97_mixer - create an Codec97 component 1947 * @bus: the AC97 bus which codec is attached to 1948 * @template: the template of ac97, including index, callbacks and 1949 * the private data. 1950 * @rac97: the pointer to store the new ac97 instance. 1951 * 1952 * Creates an Codec97 component. An struct snd_ac97 instance is newly 1953 * allocated and initialized from the template. The codec 1954 * is then initialized by the standard procedure. 1955 * 1956 * The template must include the codec number (num) and address (addr), 1957 * and the private data (private_data). 1958 * 1959 * The ac97 instance is registered as a low-level device, so you don't 1960 * have to release it manually. 1961 * 1962 * Returns zero if successful, or a negative error code on failure. 1963 */ 1964 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 1965 { 1966 int err; 1967 struct snd_ac97 *ac97; 1968 struct snd_card *card; 1969 char name[64]; 1970 unsigned long end_time; 1971 unsigned int reg; 1972 const struct ac97_codec_id *pid; 1973 static struct snd_device_ops ops = { 1974 .dev_free = snd_ac97_dev_free, 1975 .dev_register = snd_ac97_dev_register, 1976 .dev_disconnect = snd_ac97_dev_disconnect, 1977 }; 1978 1979 snd_assert(rac97 != NULL, return -EINVAL); 1980 *rac97 = NULL; 1981 snd_assert(bus != NULL && template != NULL, return -EINVAL); 1982 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL); 1983 1984 card = bus->card; 1985 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 1986 if (ac97 == NULL) 1987 return -ENOMEM; 1988 ac97->private_data = template->private_data; 1989 ac97->private_free = template->private_free; 1990 ac97->bus = bus; 1991 ac97->pci = template->pci; 1992 ac97->num = template->num; 1993 ac97->addr = template->addr; 1994 ac97->scaps = template->scaps; 1995 ac97->res_table = template->res_table; 1996 bus->codec[ac97->num] = ac97; 1997 mutex_init(&ac97->reg_mutex); 1998 mutex_init(&ac97->page_mutex); 1999 #ifdef CONFIG_SND_AC97_POWER_SAVE 2000 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2001 #endif 2002 2003 #ifdef CONFIG_PCI 2004 if (ac97->pci) { 2005 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2006 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2007 } 2008 #endif 2009 if (bus->ops->reset) { 2010 bus->ops->reset(ac97); 2011 goto __access_ok; 2012 } 2013 2014 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2015 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2016 if (ac97->id && ac97->id != (unsigned int)-1) { 2017 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2018 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2019 goto __access_ok; 2020 } 2021 2022 /* reset to defaults */ 2023 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2024 snd_ac97_write(ac97, AC97_RESET, 0); 2025 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2026 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2027 if (bus->ops->wait) 2028 bus->ops->wait(ac97); 2029 else { 2030 udelay(50); 2031 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2032 err = ac97_reset_wait(ac97, HZ/2, 1); 2033 else { 2034 err = ac97_reset_wait(ac97, HZ/2, 0); 2035 if (err < 0) 2036 err = ac97_reset_wait(ac97, HZ/2, 1); 2037 } 2038 if (err < 0) { 2039 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 2040 /* proceed anyway - it's often non-critical */ 2041 } 2042 } 2043 __access_ok: 2044 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2045 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2046 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2047 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2048 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 2049 snd_ac97_free(ac97); 2050 return -EIO; 2051 } 2052 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2053 if (pid) 2054 ac97->flags |= pid->flags; 2055 2056 /* test for AC'97 */ 2057 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2058 /* test if we can write to the record gain volume register */ 2059 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2060 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 2061 ac97->scaps |= AC97_SCAP_AUDIO; 2062 } 2063 if (ac97->scaps & AC97_SCAP_AUDIO) { 2064 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2065 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2066 if (ac97->ext_id == 0xffff) /* invalid combination */ 2067 ac97->ext_id = 0; 2068 } 2069 2070 /* test for MC'97 */ 2071 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2072 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2073 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2074 ac97->ext_mid = 0; 2075 if (ac97->ext_mid & 1) 2076 ac97->scaps |= AC97_SCAP_MODEM; 2077 } 2078 2079 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2080 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2081 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 2082 snd_ac97_free(ac97); 2083 return -EACCES; 2084 } 2085 2086 if (bus->ops->reset) // FIXME: always skipping? 2087 goto __ready_ok; 2088 2089 /* FIXME: add powerdown control */ 2090 if (ac97_is_audio(ac97)) { 2091 /* nothing should be in powerdown mode */ 2092 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2093 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2094 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2095 udelay(100); 2096 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2097 } 2098 /* nothing should be in powerdown mode */ 2099 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2100 end_time = jiffies + (HZ / 10); 2101 do { 2102 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2103 goto __ready_ok; 2104 schedule_timeout_uninterruptible(1); 2105 } while (time_after_eq(end_time, jiffies)); 2106 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 2107 } 2108 2109 /* FIXME: add powerdown control */ 2110 if (ac97_is_modem(ac97)) { 2111 unsigned char tmp; 2112 2113 /* nothing should be in powerdown mode */ 2114 /* note: it's important to set the rate at first */ 2115 tmp = AC97_MEA_GPIO; 2116 if (ac97->ext_mid & AC97_MEI_LINE1) { 2117 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2118 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2119 } 2120 if (ac97->ext_mid & AC97_MEI_LINE2) { 2121 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2122 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2123 } 2124 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2125 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2126 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2127 } 2128 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2129 udelay(100); 2130 /* nothing should be in powerdown mode */ 2131 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2132 end_time = jiffies + (HZ / 10); 2133 do { 2134 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2135 goto __ready_ok; 2136 schedule_timeout_uninterruptible(1); 2137 } while (time_after_eq(end_time, jiffies)); 2138 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2139 } 2140 2141 __ready_ok: 2142 if (ac97_is_audio(ac97)) 2143 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2144 else 2145 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2146 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2147 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2148 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2149 if (! bus->no_vra) 2150 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2151 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2152 } 2153 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2154 /* Intel controllers require double rate data to be put in 2155 * slots 7+8, so let's hope the codec supports it. */ 2156 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2157 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2158 ac97->flags |= AC97_DOUBLE_RATE; 2159 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2160 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2161 } 2162 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2163 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2164 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2165 } else { 2166 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2167 if (ac97->flags & AC97_DOUBLE_RATE) 2168 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2169 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2170 } 2171 if (ac97->ext_id & AC97_EI_SPDIF) { 2172 /* codec specific code (patch) should override these values */ 2173 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2174 } 2175 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2176 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2177 } else { 2178 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2179 } 2180 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2181 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2182 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2183 } 2184 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2185 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2186 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2187 } 2188 /* additional initializations */ 2189 if (bus->ops->init) 2190 bus->ops->init(ac97); 2191 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2192 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2193 if (! ac97->build_ops) 2194 ac97->build_ops = &null_build_ops; 2195 2196 if (ac97_is_audio(ac97)) { 2197 char comp[16]; 2198 if (card->mixername[0] == '\0') { 2199 strcpy(card->mixername, name); 2200 } else { 2201 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2202 strcat(card->mixername, ","); 2203 strcat(card->mixername, name); 2204 } 2205 } 2206 sprintf(comp, "AC97a:%08x", ac97->id); 2207 if ((err = snd_component_add(card, comp)) < 0) { 2208 snd_ac97_free(ac97); 2209 return err; 2210 } 2211 if (snd_ac97_mixer_build(ac97) < 0) { 2212 snd_ac97_free(ac97); 2213 return -ENOMEM; 2214 } 2215 } 2216 if (ac97_is_modem(ac97)) { 2217 char comp[16]; 2218 if (card->mixername[0] == '\0') { 2219 strcpy(card->mixername, name); 2220 } else { 2221 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2222 strcat(card->mixername, ","); 2223 strcat(card->mixername, name); 2224 } 2225 } 2226 sprintf(comp, "AC97m:%08x", ac97->id); 2227 if ((err = snd_component_add(card, comp)) < 0) { 2228 snd_ac97_free(ac97); 2229 return err; 2230 } 2231 if (snd_ac97_modem_build(card, ac97) < 0) { 2232 snd_ac97_free(ac97); 2233 return -ENOMEM; 2234 } 2235 } 2236 if (ac97_is_audio(ac97)) 2237 update_power_regs(ac97); 2238 snd_ac97_proc_init(ac97); 2239 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2240 snd_ac97_free(ac97); 2241 return err; 2242 } 2243 *rac97 = ac97; 2244 return 0; 2245 } 2246 2247 EXPORT_SYMBOL(snd_ac97_mixer); 2248 2249 /* 2250 * Power down the chip. 2251 * 2252 * MASTER and HEADPHONE registers are muted but the register cache values 2253 * are not changed, so that the values can be restored in snd_ac97_resume(). 2254 */ 2255 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2256 { 2257 unsigned short power; 2258 2259 if (ac97_is_audio(ac97)) { 2260 /* some codecs have stereo mute bits */ 2261 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2262 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2263 } 2264 2265 /* surround, CLFE, mic powerdown */ 2266 power = ac97->regs[AC97_EXTENDED_STATUS]; 2267 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2268 power |= AC97_EA_PRJ; 2269 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2270 power |= AC97_EA_PRI | AC97_EA_PRK; 2271 power |= AC97_EA_PRL; 2272 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2273 2274 /* powerdown external amplifier */ 2275 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2276 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2277 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2278 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2279 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2280 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2281 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2282 udelay(100); 2283 power |= AC97_PD_PR2 | AC97_PD_PR3; /* Analog Mixer powerdown */ 2284 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2285 if (ac97_is_power_save_mode(ac97)) { 2286 udelay(100); 2287 /* AC-link powerdown, internal Clk disable */ 2288 /* FIXME: this may cause click noises on some boards */ 2289 power |= AC97_PD_PR4 | AC97_PD_PR5; 2290 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2291 } 2292 } 2293 2294 2295 struct ac97_power_reg { 2296 unsigned short reg; 2297 unsigned short power_reg; 2298 unsigned short mask; 2299 }; 2300 2301 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2302 2303 static struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2304 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2305 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2306 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2307 AC97_EA_PRI | AC97_EA_PRK}, 2308 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2309 AC97_EA_PRJ}, 2310 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2311 AC97_EA_PRL}, 2312 }; 2313 2314 #ifdef CONFIG_SND_AC97_POWER_SAVE 2315 /** 2316 * snd_ac97_update_power - update the powerdown register 2317 * @ac97: the codec instance 2318 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2319 * @powerup: non-zero when power up the part 2320 * 2321 * Update the AC97 powerdown register bits of the given part. 2322 */ 2323 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2324 { 2325 int i; 2326 2327 if (! ac97) 2328 return 0; 2329 2330 if (reg) { 2331 /* SPDIF requires DAC power, too */ 2332 if (reg == AC97_SPDIF) 2333 reg = AC97_PCM_FRONT_DAC_RATE; 2334 for (i = 0; i < PWIDX_SIZE; i++) { 2335 if (power_regs[i].reg == reg) { 2336 if (powerup) 2337 ac97->power_up |= (1 << i); 2338 else 2339 ac97->power_up &= ~(1 << i); 2340 break; 2341 } 2342 } 2343 } 2344 2345 if (ac97_is_power_save_mode(ac97) && !powerup) 2346 /* adjust power-down bits after two seconds delay 2347 * (for avoiding loud click noises for many (OSS) apps 2348 * that open/close frequently) 2349 */ 2350 schedule_delayed_work(&ac97->power_work, HZ*2); 2351 else { 2352 cancel_delayed_work(&ac97->power_work); 2353 update_power_regs(ac97); 2354 } 2355 2356 return 0; 2357 } 2358 2359 EXPORT_SYMBOL(snd_ac97_update_power); 2360 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2361 2362 static void update_power_regs(struct snd_ac97 *ac97) 2363 { 2364 unsigned int power_up, bits; 2365 int i; 2366 2367 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2368 power_up |= (1 << PWIDX_MIC); 2369 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2370 power_up |= (1 << PWIDX_SURR); 2371 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2372 power_up |= (1 << PWIDX_CLFE); 2373 #ifdef CONFIG_SND_AC97_POWER_SAVE 2374 if (ac97_is_power_save_mode(ac97)) 2375 power_up = ac97->power_up; 2376 #endif 2377 if (power_up) { 2378 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2379 /* needs power-up analog mix and vref */ 2380 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2381 AC97_PD_PR3, 0); 2382 msleep(1); 2383 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2384 AC97_PD_PR2, 0); 2385 } 2386 } 2387 for (i = 0; i < PWIDX_SIZE; i++) { 2388 if (power_up & (1 << i)) 2389 bits = 0; 2390 else 2391 bits = power_regs[i].mask; 2392 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2393 power_regs[i].mask, bits); 2394 } 2395 if (! power_up) { 2396 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2397 /* power down analog mix and vref */ 2398 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2399 AC97_PD_PR2, AC97_PD_PR2); 2400 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2401 AC97_PD_PR3, AC97_PD_PR3); 2402 } 2403 } 2404 } 2405 2406 2407 #ifdef CONFIG_PM 2408 /** 2409 * snd_ac97_suspend - General suspend function for AC97 codec 2410 * @ac97: the ac97 instance 2411 * 2412 * Suspends the codec, power down the chip. 2413 */ 2414 void snd_ac97_suspend(struct snd_ac97 *ac97) 2415 { 2416 if (! ac97) 2417 return; 2418 if (ac97->build_ops->suspend) 2419 ac97->build_ops->suspend(ac97); 2420 #ifdef CONFIG_SND_AC97_POWER_SAVE 2421 cancel_delayed_work(&ac97->power_work); 2422 flush_scheduled_work(); 2423 #endif 2424 snd_ac97_powerdown(ac97); 2425 } 2426 2427 EXPORT_SYMBOL(snd_ac97_suspend); 2428 2429 /* 2430 * restore ac97 status 2431 */ 2432 void snd_ac97_restore_status(struct snd_ac97 *ac97) 2433 { 2434 int i; 2435 2436 for (i = 2; i < 0x7c ; i += 2) { 2437 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2438 continue; 2439 /* restore only accessible registers 2440 * some chip (e.g. nm256) may hang up when unsupported registers 2441 * are accessed..! 2442 */ 2443 if (test_bit(i, ac97->reg_accessed)) { 2444 snd_ac97_write(ac97, i, ac97->regs[i]); 2445 snd_ac97_read(ac97, i); 2446 } 2447 } 2448 } 2449 2450 /* 2451 * restore IEC958 status 2452 */ 2453 void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2454 { 2455 if (ac97->ext_id & AC97_EI_SPDIF) { 2456 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2457 /* reset spdif status */ 2458 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2459 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2460 if (ac97->flags & AC97_CS_SPDIF) 2461 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2462 else 2463 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2464 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2465 } 2466 } 2467 } 2468 2469 /** 2470 * snd_ac97_resume - General resume function for AC97 codec 2471 * @ac97: the ac97 instance 2472 * 2473 * Do the standard resume procedure, power up and restoring the 2474 * old register values. 2475 */ 2476 void snd_ac97_resume(struct snd_ac97 *ac97) 2477 { 2478 unsigned long end_time; 2479 2480 if (! ac97) 2481 return; 2482 2483 if (ac97->bus->ops->reset) { 2484 ac97->bus->ops->reset(ac97); 2485 goto __reset_ready; 2486 } 2487 2488 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2489 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2490 snd_ac97_write(ac97, AC97_RESET, 0); 2491 udelay(100); 2492 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2493 } 2494 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2495 2496 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2497 if (ac97_is_audio(ac97)) { 2498 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2499 end_time = jiffies + msecs_to_jiffies(100); 2500 do { 2501 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2502 break; 2503 schedule_timeout_uninterruptible(1); 2504 } while (time_after_eq(end_time, jiffies)); 2505 /* FIXME: extra delay */ 2506 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); 2507 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) 2508 msleep(250); 2509 } else { 2510 end_time = jiffies + msecs_to_jiffies(100); 2511 do { 2512 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2513 if (val != 0xffff && (val & 1) != 0) 2514 break; 2515 schedule_timeout_uninterruptible(1); 2516 } while (time_after_eq(end_time, jiffies)); 2517 } 2518 __reset_ready: 2519 2520 if (ac97->bus->ops->init) 2521 ac97->bus->ops->init(ac97); 2522 2523 if (ac97->build_ops->resume) 2524 ac97->build_ops->resume(ac97); 2525 else { 2526 snd_ac97_restore_status(ac97); 2527 snd_ac97_restore_iec958(ac97); 2528 } 2529 } 2530 2531 EXPORT_SYMBOL(snd_ac97_resume); 2532 #endif 2533 2534 2535 /* 2536 * Hardware tuning 2537 */ 2538 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2539 { 2540 if (suffix) 2541 sprintf(dst, "%s %s", src, suffix); 2542 else 2543 strcpy(dst, src); 2544 } 2545 2546 /* remove the control with the given name and optional suffix */ 2547 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix) 2548 { 2549 struct snd_ctl_elem_id id; 2550 memset(&id, 0, sizeof(id)); 2551 set_ctl_name(id.name, name, suffix); 2552 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2553 return snd_ctl_remove_id(ac97->bus->card, &id); 2554 } 2555 2556 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2557 { 2558 struct snd_ctl_elem_id sid; 2559 memset(&sid, 0, sizeof(sid)); 2560 set_ctl_name(sid.name, name, suffix); 2561 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2562 return snd_ctl_find_id(ac97->bus->card, &sid); 2563 } 2564 2565 /* rename the control with the given name and optional suffix */ 2566 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix) 2567 { 2568 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2569 if (kctl) { 2570 set_ctl_name(kctl->id.name, dst, suffix); 2571 return 0; 2572 } 2573 return -ENOENT; 2574 } 2575 2576 /* rename both Volume and Switch controls - don't check the return value */ 2577 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst) 2578 { 2579 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2580 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2581 } 2582 2583 /* swap controls */ 2584 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix) 2585 { 2586 struct snd_kcontrol *kctl1, *kctl2; 2587 kctl1 = ctl_find(ac97, s1, suffix); 2588 kctl2 = ctl_find(ac97, s2, suffix); 2589 if (kctl1 && kctl2) { 2590 set_ctl_name(kctl1->id.name, s2, suffix); 2591 set_ctl_name(kctl2->id.name, s1, suffix); 2592 return 0; 2593 } 2594 return -ENOENT; 2595 } 2596 2597 #if 1 2598 /* bind hp and master controls instead of using only hp control */ 2599 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2600 { 2601 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2602 if (err > 0) { 2603 unsigned long priv_saved = kcontrol->private_value; 2604 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2605 snd_ac97_put_volsw(kcontrol, ucontrol); 2606 kcontrol->private_value = priv_saved; 2607 } 2608 return err; 2609 } 2610 2611 /* ac97 tune: bind Master and Headphone controls */ 2612 static int tune_hp_only(struct snd_ac97 *ac97) 2613 { 2614 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2615 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2616 if (! msw || ! mvol) 2617 return -ENOENT; 2618 msw->put = bind_hp_volsw_put; 2619 mvol->put = bind_hp_volsw_put; 2620 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2621 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2622 return 0; 2623 } 2624 2625 #else 2626 /* ac97 tune: use Headphone control as master */ 2627 static int tune_hp_only(struct snd_ac97 *ac97) 2628 { 2629 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2630 return -ENOENT; 2631 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2632 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2633 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2634 return 0; 2635 } 2636 #endif 2637 2638 /* ac97 tune: swap Headphone and Master controls */ 2639 static int tune_swap_hp(struct snd_ac97 *ac97) 2640 { 2641 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2642 return -ENOENT; 2643 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2644 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2645 return 0; 2646 } 2647 2648 /* ac97 tune: swap Surround and Master controls */ 2649 static int tune_swap_surround(struct snd_ac97 *ac97) 2650 { 2651 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2652 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2653 return -ENOENT; 2654 return 0; 2655 } 2656 2657 /* ac97 tune: set up mic sharing for AD codecs */ 2658 static int tune_ad_sharing(struct snd_ac97 *ac97) 2659 { 2660 unsigned short scfg; 2661 if ((ac97->id & 0xffffff00) != 0x41445300) { 2662 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2663 return -EINVAL; 2664 } 2665 /* Turn on OMS bit to route microphone to back panel */ 2666 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2667 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2668 return 0; 2669 } 2670 2671 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2672 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2673 2674 /* ac97 tune: set up ALC jack-select */ 2675 static int tune_alc_jack(struct snd_ac97 *ac97) 2676 { 2677 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2678 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2679 return -EINVAL; 2680 } 2681 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2682 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2683 if (ac97->id == AC97_ID_ALC658D) 2684 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2685 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2686 } 2687 2688 /* ac97 tune: inversed EAPD bit */ 2689 static int tune_inv_eapd(struct snd_ac97 *ac97) 2690 { 2691 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2692 if (! kctl) 2693 return -ENOENT; 2694 set_inv_eapd(ac97, kctl); 2695 return 0; 2696 } 2697 2698 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2699 { 2700 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2701 if (err > 0) { 2702 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2703 int shift = (kcontrol->private_value >> 8) & 0x0f; 2704 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2705 unsigned short mask; 2706 if (shift != rshift) 2707 mask = 0x8080; 2708 else 2709 mask = 0x8000; 2710 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2711 (ac97->regs[AC97_MASTER] & mask) == mask ? 2712 0x8000 : 0); 2713 } 2714 return err; 2715 } 2716 2717 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2718 static int tune_mute_led(struct snd_ac97 *ac97) 2719 { 2720 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2721 if (! msw) 2722 return -ENOENT; 2723 msw->put = master_mute_sw_put; 2724 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2725 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2726 ac97->scaps |= AC97_SCAP_EAPD_LED; 2727 return 0; 2728 } 2729 2730 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2731 struct snd_ctl_elem_value *ucontrol) 2732 { 2733 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2734 if (err > 0) { 2735 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2736 int shift = (kcontrol->private_value >> 8) & 0x0f; 2737 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2738 unsigned short mask; 2739 if (shift != rshift) 2740 mask = 0x8080; 2741 else 2742 mask = 0x8000; 2743 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2744 (ac97->regs[AC97_MASTER] & mask) == mask ? 2745 0x8000 : 0); 2746 } 2747 return err; 2748 } 2749 2750 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2751 { 2752 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2753 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2754 if (! msw || ! mvol) 2755 return -ENOENT; 2756 msw->put = hp_master_mute_sw_put; 2757 mvol->put = bind_hp_volsw_put; 2758 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2759 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2760 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2761 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2762 return 0; 2763 } 2764 2765 struct quirk_table { 2766 const char *name; 2767 int (*func)(struct snd_ac97 *); 2768 }; 2769 2770 static struct quirk_table applicable_quirks[] = { 2771 { "none", NULL }, 2772 { "hp_only", tune_hp_only }, 2773 { "swap_hp", tune_swap_hp }, 2774 { "swap_surround", tune_swap_surround }, 2775 { "ad_sharing", tune_ad_sharing }, 2776 { "alc_jack", tune_alc_jack }, 2777 { "inv_eapd", tune_inv_eapd }, 2778 { "mute_led", tune_mute_led }, 2779 { "hp_mute_led", tune_hp_mute_led }, 2780 }; 2781 2782 /* apply the quirk with the given type */ 2783 static int apply_quirk(struct snd_ac97 *ac97, int type) 2784 { 2785 if (type <= 0) 2786 return 0; 2787 else if (type >= ARRAY_SIZE(applicable_quirks)) 2788 return -EINVAL; 2789 if (applicable_quirks[type].func) 2790 return applicable_quirks[type].func(ac97); 2791 return 0; 2792 } 2793 2794 /* apply the quirk with the given name */ 2795 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2796 { 2797 int i; 2798 struct quirk_table *q; 2799 2800 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2801 q = &applicable_quirks[i]; 2802 if (q->name && ! strcmp(typestr, q->name)) 2803 return apply_quirk(ac97, i); 2804 } 2805 /* for compatibility, accept the numbers, too */ 2806 if (*typestr >= '0' && *typestr <= '9') 2807 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2808 return -EINVAL; 2809 } 2810 2811 /** 2812 * snd_ac97_tune_hardware - tune up the hardware 2813 * @ac97: the ac97 instance 2814 * @quirk: quirk list 2815 * @override: explicit quirk value (overrides the list if non-NULL) 2816 * 2817 * Do some workaround for each pci device, such as renaming of the 2818 * headphone (true line-out) control as "Master". 2819 * The quirk-list must be terminated with a zero-filled entry. 2820 * 2821 * Returns zero if successful, or a negative error code on failure. 2822 */ 2823 2824 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) 2825 { 2826 int result; 2827 2828 /* quirk overriden? */ 2829 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2830 result = apply_quirk_str(ac97, override); 2831 if (result < 0) 2832 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2833 return result; 2834 } 2835 2836 if (! quirk) 2837 return -EINVAL; 2838 2839 for (; quirk->subvendor; quirk++) { 2840 if (quirk->subvendor != ac97->subsystem_vendor) 2841 continue; 2842 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2843 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2844 if (quirk->codec_id && quirk->codec_id != ac97->id) 2845 continue; 2846 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2847 result = apply_quirk(ac97, quirk->type); 2848 if (result < 0) 2849 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2850 return result; 2851 } 2852 } 2853 return 0; 2854 } 2855 2856 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2857 2858 /* 2859 * INIT part 2860 */ 2861 2862 static int __init alsa_ac97_init(void) 2863 { 2864 return 0; 2865 } 2866 2867 static void __exit alsa_ac97_exit(void) 2868 { 2869 } 2870 2871 module_init(alsa_ac97_init) 2872 module_exit(alsa_ac97_exit) 2873