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_id.h" 39 40 #include "ac97_patch.c" 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 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, 436 struct snd_ctl_elem_info *uinfo) 437 { 438 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 439 440 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 441 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 442 uinfo->value.enumerated.items = e->mask; 443 444 if (uinfo->value.enumerated.item > e->mask - 1) 445 uinfo->value.enumerated.item = e->mask - 1; 446 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 447 return 0; 448 } 449 450 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, 451 struct snd_ctl_elem_value *ucontrol) 452 { 453 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 454 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 455 unsigned short val, bitmask; 456 457 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 458 ; 459 val = snd_ac97_read_cache(ac97, e->reg); 460 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 461 if (e->shift_l != e->shift_r) 462 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 463 464 return 0; 465 } 466 467 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, 468 struct snd_ctl_elem_value *ucontrol) 469 { 470 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 471 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 472 unsigned short val; 473 unsigned short mask, bitmask; 474 475 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 476 ; 477 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 478 return -EINVAL; 479 val = ucontrol->value.enumerated.item[0] << e->shift_l; 480 mask = (bitmask - 1) << e->shift_l; 481 if (e->shift_l != e->shift_r) { 482 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 483 return -EINVAL; 484 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 485 mask |= (bitmask - 1) << e->shift_r; 486 } 487 return snd_ac97_update_bits(ac97, e->reg, mask, val); 488 } 489 490 /* save/restore ac97 v2.3 paging */ 491 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 492 { 493 int page_save = -1; 494 if ((kcontrol->private_value & (1<<25)) && 495 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 496 (reg >= 0x60 && reg < 0x70)) { 497 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 498 mutex_lock(&ac97->page_mutex); /* lock paging */ 499 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 500 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 501 } 502 return page_save; 503 } 504 505 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 506 { 507 if (page_save >= 0) { 508 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 509 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 510 } 511 } 512 513 /* volume and switch controls */ 514 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, 515 struct snd_ctl_elem_info *uinfo) 516 { 517 int mask = (kcontrol->private_value >> 16) & 0xff; 518 int shift = (kcontrol->private_value >> 8) & 0x0f; 519 int rshift = (kcontrol->private_value >> 12) & 0x0f; 520 521 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 522 uinfo->count = shift == rshift ? 1 : 2; 523 uinfo->value.integer.min = 0; 524 uinfo->value.integer.max = mask; 525 return 0; 526 } 527 528 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, 529 struct snd_ctl_elem_value *ucontrol) 530 { 531 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 532 int reg = kcontrol->private_value & 0xff; 533 int shift = (kcontrol->private_value >> 8) & 0x0f; 534 int rshift = (kcontrol->private_value >> 12) & 0x0f; 535 int mask = (kcontrol->private_value >> 16) & 0xff; 536 int invert = (kcontrol->private_value >> 24) & 0x01; 537 int page_save; 538 539 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 540 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 541 if (shift != rshift) 542 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 543 if (invert) { 544 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 545 if (shift != rshift) 546 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 547 } 548 snd_ac97_page_restore(ac97, page_save); 549 return 0; 550 } 551 552 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, 553 struct snd_ctl_elem_value *ucontrol) 554 { 555 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 556 int reg = kcontrol->private_value & 0xff; 557 int shift = (kcontrol->private_value >> 8) & 0x0f; 558 int rshift = (kcontrol->private_value >> 12) & 0x0f; 559 int mask = (kcontrol->private_value >> 16) & 0xff; 560 int invert = (kcontrol->private_value >> 24) & 0x01; 561 int err, page_save; 562 unsigned short val, val2, val_mask; 563 564 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 565 val = (ucontrol->value.integer.value[0] & mask); 566 if (invert) 567 val = mask - val; 568 val_mask = mask << shift; 569 val = val << shift; 570 if (shift != rshift) { 571 val2 = (ucontrol->value.integer.value[1] & mask); 572 if (invert) 573 val2 = mask - val2; 574 val_mask |= mask << rshift; 575 val |= val2 << rshift; 576 } 577 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 578 snd_ac97_page_restore(ac97, page_save); 579 #ifdef CONFIG_SND_AC97_POWER_SAVE 580 /* check analog mixer power-down */ 581 if ((val_mask & 0x8000) && 582 (kcontrol->private_value & (1<<30))) { 583 if (val & 0x8000) 584 ac97->power_up &= ~(1 << (reg>>1)); 585 else 586 ac97->power_up |= 1 << (reg>>1); 587 update_power_regs(ac97); 588 } 589 #endif 590 return err; 591 } 592 593 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 594 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 595 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 596 }; 597 598 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 599 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 600 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 601 }; 602 603 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 604 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), 605 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) 606 }; 607 608 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 609 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 610 611 612 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 613 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 614 static const char* std_mix[] = {"Mix", "Mic"}; 615 static const char* std_mic[] = {"Mic1", "Mic2"}; 616 617 static const struct ac97_enum std_enum[] = { 618 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 619 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 621 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 622 }; 623 624 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 625 AC97_ENUM("Capture Source", std_enum[0]); 626 627 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 628 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 629 630 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 631 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 632 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 633 }; 634 635 enum { 636 AC97_GENERAL_PCM_OUT = 0, 637 AC97_GENERAL_STEREO_ENHANCEMENT, 638 AC97_GENERAL_3D, 639 AC97_GENERAL_LOUDNESS, 640 AC97_GENERAL_MONO, 641 AC97_GENERAL_MIC, 642 AC97_GENERAL_LOOPBACK 643 }; 644 645 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 646 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 647 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 648 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 649 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 650 AC97_ENUM("Mono Output Select", std_enum[2]), 651 AC97_ENUM("Mic Select", std_enum[3]), 652 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 653 }; 654 655 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 656 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 657 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 658 }; 659 660 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 661 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 662 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 663 }; 664 665 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 666 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 667 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 668 }; 669 670 static const struct snd_kcontrol_new snd_ac97_control_eapd = 671 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 672 673 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 674 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 675 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 676 }; 677 678 /* change the existing EAPD control as inverted */ 679 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 680 { 681 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 682 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 683 ac97->scaps |= AC97_SCAP_INV_EAPD; 684 } 685 686 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 687 { 688 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 689 uinfo->count = 1; 690 return 0; 691 } 692 693 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 694 { 695 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 696 IEC958_AES0_NONAUDIO | 697 IEC958_AES0_CON_EMPHASIS_5015 | 698 IEC958_AES0_CON_NOT_COPYRIGHT; 699 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 700 IEC958_AES1_CON_ORIGINAL; 701 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 702 return 0; 703 } 704 705 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 706 { 707 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 708 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 709 IEC958_AES0_NONAUDIO | 710 IEC958_AES0_PRO_FS | 711 IEC958_AES0_PRO_EMPHASIS_5015; 712 return 0; 713 } 714 715 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 716 { 717 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 718 719 mutex_lock(&ac97->reg_mutex); 720 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 721 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 722 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 723 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 724 mutex_unlock(&ac97->reg_mutex); 725 return 0; 726 } 727 728 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 729 { 730 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 731 unsigned int new = 0; 732 unsigned short val = 0; 733 int change; 734 735 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 736 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 737 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 738 switch (new & IEC958_AES0_PRO_FS) { 739 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 740 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 741 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 742 default: val |= 1<<12; break; 743 } 744 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 745 val |= 1<<3; 746 } else { 747 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 748 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 749 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 750 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 751 val |= 1<<3; 752 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 753 val |= 1<<2; 754 val |= ((new >> 8) & 0xff) << 4; // category + original 755 switch ((new >> 24) & 0xff) { 756 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 757 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 758 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 759 default: val |= 1<<12; break; 760 } 761 } 762 763 mutex_lock(&ac97->reg_mutex); 764 change = ac97->spdif_status != new; 765 ac97->spdif_status = new; 766 767 if (ac97->flags & AC97_CS_SPDIF) { 768 int x = (val >> 12) & 0x03; 769 switch (x) { 770 case 0: x = 1; break; // 44.1 771 case 2: x = 0; break; // 48.0 772 default: x = 0; break; // illegal. 773 } 774 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 775 } else if (ac97->flags & AC97_CX_SPDIF) { 776 int v; 777 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 778 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 779 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 780 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 781 v); 782 } else { 783 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 784 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 785 786 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 787 if (extst & AC97_EA_SPDIF) { 788 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 789 } 790 } 791 mutex_unlock(&ac97->reg_mutex); 792 793 return change; 794 } 795 796 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 797 { 798 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 799 int reg = kcontrol->private_value & 0xff; 800 int shift = (kcontrol->private_value >> 8) & 0xff; 801 int mask = (kcontrol->private_value >> 16) & 0xff; 802 // int invert = (kcontrol->private_value >> 24) & 0xff; 803 unsigned short value, old, new; 804 int change; 805 806 value = (ucontrol->value.integer.value[0] & mask); 807 808 mutex_lock(&ac97->reg_mutex); 809 mask <<= shift; 810 value <<= shift; 811 old = snd_ac97_read_cache(ac97, reg); 812 new = (old & ~mask) | value; 813 change = old != new; 814 815 if (change) { 816 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 817 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 818 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 819 if (extst & AC97_EA_SPDIF) 820 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 821 } 822 mutex_unlock(&ac97->reg_mutex); 823 return change; 824 } 825 826 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 827 { 828 .access = SNDRV_CTL_ELEM_ACCESS_READ, 829 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 830 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 831 .info = snd_ac97_spdif_mask_info, 832 .get = snd_ac97_spdif_cmask_get, 833 }, 834 { 835 .access = SNDRV_CTL_ELEM_ACCESS_READ, 836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 838 .info = snd_ac97_spdif_mask_info, 839 .get = snd_ac97_spdif_pmask_get, 840 }, 841 { 842 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 843 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 844 .info = snd_ac97_spdif_mask_info, 845 .get = snd_ac97_spdif_default_get, 846 .put = snd_ac97_spdif_default_put, 847 }, 848 849 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 850 { 851 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 852 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 853 .info = snd_ac97_info_volsw, 854 .get = snd_ac97_get_volsw, 855 .put = snd_ac97_put_spsa, 856 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 857 }, 858 }; 859 860 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 861 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 862 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 863 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 864 865 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 866 { 867 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 868 int mask = (kcontrol->private_value >> 16) & 0x0f; 869 int lshift = (kcontrol->private_value >> 8) & 0x0f; 870 int rshift = (kcontrol->private_value >> 12) & 0x0f; 871 872 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 873 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 874 uinfo->count = 2; 875 else 876 uinfo->count = 1; 877 uinfo->value.integer.min = 0; 878 uinfo->value.integer.max = mask; 879 return 0; 880 } 881 882 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 883 { 884 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 885 int codec = kcontrol->private_value & 3; 886 int lshift = (kcontrol->private_value >> 8) & 0x0f; 887 int rshift = (kcontrol->private_value >> 12) & 0x0f; 888 int mask = (kcontrol->private_value >> 16) & 0xff; 889 890 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 891 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 892 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 893 return 0; 894 } 895 896 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 897 { 898 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 899 int codec = kcontrol->private_value & 3; 900 int lshift = (kcontrol->private_value >> 8) & 0x0f; 901 int rshift = (kcontrol->private_value >> 12) & 0x0f; 902 int mask = (kcontrol->private_value >> 16) & 0xff; 903 unsigned short val, valmask; 904 905 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 906 valmask = mask << lshift; 907 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 908 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 909 valmask |= mask << rshift; 910 } 911 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 912 } 913 914 #define AD18XX_PCM_VOLUME(xname, codec) \ 915 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 916 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 917 .private_value = codec } 918 919 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 920 { 921 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 922 uinfo->count = 2; 923 uinfo->value.integer.min = 0; 924 uinfo->value.integer.max = 31; 925 return 0; 926 } 927 928 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 929 { 930 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 931 int codec = kcontrol->private_value & 3; 932 933 mutex_lock(&ac97->page_mutex); 934 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 935 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 936 mutex_unlock(&ac97->page_mutex); 937 return 0; 938 } 939 940 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 941 { 942 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 943 int codec = kcontrol->private_value & 3; 944 unsigned short val1, val2; 945 946 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 947 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 948 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 949 } 950 951 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 952 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 953 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 954 }; 955 956 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 957 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 958 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 959 }; 960 961 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 962 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 963 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 964 }; 965 966 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 967 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 968 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 969 }; 970 971 /* 972 * 973 */ 974 975 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 976 977 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 978 { 979 if (bus) { 980 snd_ac97_bus_proc_done(bus); 981 kfree(bus->pcms); 982 if (bus->private_free) 983 bus->private_free(bus); 984 kfree(bus); 985 } 986 return 0; 987 } 988 989 static int snd_ac97_bus_dev_free(struct snd_device *device) 990 { 991 struct snd_ac97_bus *bus = device->device_data; 992 return snd_ac97_bus_free(bus); 993 } 994 995 static int snd_ac97_free(struct snd_ac97 *ac97) 996 { 997 if (ac97) { 998 #ifdef CONFIG_SND_AC97_POWER_SAVE 999 cancel_delayed_work(&ac97->power_work); 1000 flush_scheduled_work(); 1001 #endif 1002 snd_ac97_proc_done(ac97); 1003 if (ac97->bus) 1004 ac97->bus->codec[ac97->num] = NULL; 1005 if (ac97->private_free) 1006 ac97->private_free(ac97); 1007 kfree(ac97); 1008 } 1009 return 0; 1010 } 1011 1012 static int snd_ac97_dev_free(struct snd_device *device) 1013 { 1014 struct snd_ac97 *ac97 = device->device_data; 1015 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1016 return snd_ac97_free(ac97); 1017 } 1018 1019 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1020 { 1021 unsigned short val, mask = 0x8000; 1022 1023 if (! snd_ac97_valid_reg(ac97, reg)) 1024 return 0; 1025 1026 switch (reg) { 1027 case AC97_MASTER_TONE: 1028 return ac97->caps & 0x04 ? 1 : 0; 1029 case AC97_HEADPHONE: 1030 return ac97->caps & 0x10 ? 1 : 0; 1031 case AC97_REC_GAIN_MIC: 1032 return ac97->caps & 0x01 ? 1 : 0; 1033 case AC97_3D_CONTROL: 1034 if (ac97->caps & 0x7c00) { 1035 val = snd_ac97_read(ac97, reg); 1036 /* if nonzero - fixed and we can't set it */ 1037 return val == 0; 1038 } 1039 return 0; 1040 case AC97_CENTER_LFE_MASTER: /* center */ 1041 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1042 return 0; 1043 break; 1044 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1045 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1046 return 0; 1047 reg = AC97_CENTER_LFE_MASTER; 1048 mask = 0x0080; 1049 break; 1050 case AC97_SURROUND_MASTER: 1051 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1052 return 0; 1053 break; 1054 } 1055 1056 val = snd_ac97_read(ac97, reg); 1057 if (!(val & mask)) { 1058 /* nothing seems to be here - mute flag is not set */ 1059 /* try another test */ 1060 snd_ac97_write_cache(ac97, reg, val | mask); 1061 val = snd_ac97_read(ac97, reg); 1062 val = snd_ac97_read(ac97, reg); 1063 if (!(val & mask)) 1064 return 0; /* nothing here */ 1065 } 1066 return 1; /* success, useable */ 1067 } 1068 1069 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1070 { 1071 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1072 unsigned char max[3] = { 63, 31, 15 }; 1073 int i; 1074 1075 /* first look up the static resolution table */ 1076 if (ac97->res_table) { 1077 const struct snd_ac97_res_table *tbl; 1078 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1079 if (tbl->reg == reg) { 1080 *lo_max = tbl->bits & 0xff; 1081 *hi_max = (tbl->bits >> 8) & 0xff; 1082 return; 1083 } 1084 } 1085 } 1086 1087 *lo_max = *hi_max = 0; 1088 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1089 unsigned short val; 1090 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); 1091 /* Do the read twice due to buffers on some ac97 codecs. 1092 * e.g. The STAC9704 returns exactly what you wrote to the register 1093 * if you read it immediately. This causes the detect routine to fail. 1094 */ 1095 val = snd_ac97_read(ac97, reg); 1096 val = snd_ac97_read(ac97, reg); 1097 if (! *lo_max && (val & 0x7f) == cbit[i]) 1098 *lo_max = max[i]; 1099 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1100 *hi_max = max[i]; 1101 if (*lo_max && *hi_max) 1102 break; 1103 } 1104 } 1105 1106 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1107 { 1108 unsigned short mask, val, orig, res; 1109 1110 mask = 1 << bit; 1111 orig = snd_ac97_read(ac97, reg); 1112 val = orig ^ mask; 1113 snd_ac97_write(ac97, reg, val); 1114 res = snd_ac97_read(ac97, reg); 1115 snd_ac97_write_cache(ac97, reg, orig); 1116 return res == val; 1117 } 1118 1119 /* check the volume resolution of center/lfe */ 1120 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1121 { 1122 unsigned short val, val1; 1123 1124 *max = 63; 1125 val = 0x8080 | (0x20 << shift); 1126 snd_ac97_write(ac97, reg, val); 1127 val1 = snd_ac97_read(ac97, reg); 1128 if (val != val1) { 1129 *max = 31; 1130 } 1131 /* reset volume to zero */ 1132 snd_ac97_write_cache(ac97, reg, 0x8080); 1133 } 1134 1135 static inline int printable(unsigned int x) 1136 { 1137 x &= 0xff; 1138 if (x < ' ' || x >= 0x71) { 1139 if (x <= 0x89) 1140 return x - 0x71 + 'A'; 1141 return '?'; 1142 } 1143 return x; 1144 } 1145 1146 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, 1147 struct snd_ac97 * ac97) 1148 { 1149 struct snd_kcontrol_new template; 1150 memcpy(&template, _template, sizeof(template)); 1151 template.index = ac97->num; 1152 return snd_ctl_new1(&template, ac97); 1153 } 1154 1155 /* 1156 * create mute switch(es) for normal stereo controls 1157 */ 1158 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1159 int check_stereo, int check_amix, 1160 struct snd_ac97 *ac97) 1161 { 1162 struct snd_kcontrol *kctl; 1163 int err; 1164 unsigned short val, val1, mute_mask; 1165 1166 if (! snd_ac97_valid_reg(ac97, reg)) 1167 return 0; 1168 1169 mute_mask = 0x8000; 1170 val = snd_ac97_read(ac97, reg); 1171 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1172 /* check whether both mute bits work */ 1173 val1 = val | 0x8080; 1174 snd_ac97_write(ac97, reg, val1); 1175 if (val1 == snd_ac97_read(ac97, reg)) 1176 mute_mask = 0x8080; 1177 } 1178 if (mute_mask == 0x8080) { 1179 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1180 if (check_amix) 1181 tmp.private_value |= (1 << 30); 1182 tmp.index = ac97->num; 1183 kctl = snd_ctl_new1(&tmp, ac97); 1184 } else { 1185 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1186 if (check_amix) 1187 tmp.private_value |= (1 << 30); 1188 tmp.index = ac97->num; 1189 kctl = snd_ctl_new1(&tmp, ac97); 1190 } 1191 err = snd_ctl_add(card, kctl); 1192 if (err < 0) 1193 return err; 1194 /* mute as default */ 1195 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1196 return 0; 1197 } 1198 1199 /* 1200 * set dB information 1201 */ 1202 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1203 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1204 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1205 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1206 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1207 1208 static const unsigned int *find_db_scale(unsigned int maxval) 1209 { 1210 switch (maxval) { 1211 case 0x0f: return db_scale_4bit; 1212 case 0x1f: return db_scale_5bit; 1213 case 0x3f: return db_scale_6bit; 1214 } 1215 return NULL; 1216 } 1217 1218 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1219 { 1220 kctl->tlv.p = tlv; 1221 if (tlv) 1222 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1223 } 1224 1225 /* 1226 * create a volume for normal stereo/mono controls 1227 */ 1228 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1229 unsigned int hi_max, struct snd_ac97 *ac97) 1230 { 1231 int err; 1232 struct snd_kcontrol *kctl; 1233 1234 if (! snd_ac97_valid_reg(ac97, reg)) 1235 return 0; 1236 if (hi_max) { 1237 /* invert */ 1238 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1239 tmp.index = ac97->num; 1240 kctl = snd_ctl_new1(&tmp, ac97); 1241 } else { 1242 /* invert */ 1243 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1244 tmp.index = ac97->num; 1245 kctl = snd_ctl_new1(&tmp, ac97); 1246 } 1247 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1248 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1249 else 1250 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1251 err = snd_ctl_add(card, kctl); 1252 if (err < 0) 1253 return err; 1254 snd_ac97_write_cache(ac97, reg, 1255 (snd_ac97_read(ac97, reg) & 0x8080) | 1256 lo_max | (hi_max << 8)); 1257 return 0; 1258 } 1259 1260 /* 1261 * create a mute-switch and a volume for normal stereo/mono controls 1262 */ 1263 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1264 int reg, int check_stereo, int check_amix, 1265 struct snd_ac97 *ac97) 1266 { 1267 int err; 1268 char name[44]; 1269 unsigned char lo_max, hi_max; 1270 1271 if (! snd_ac97_valid_reg(ac97, reg)) 1272 return 0; 1273 1274 if (snd_ac97_try_bit(ac97, reg, 15)) { 1275 sprintf(name, "%s Switch", pfx); 1276 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, 1277 check_stereo, check_amix, 1278 ac97)) < 0) 1279 return err; 1280 } 1281 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1282 if (lo_max) { 1283 sprintf(name, "%s Volume", pfx); 1284 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1285 return err; 1286 } 1287 return 0; 1288 } 1289 1290 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1291 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1292 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1293 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1294 1295 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1296 1297 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1298 { 1299 struct snd_card *card = ac97->bus->card; 1300 struct snd_kcontrol *kctl; 1301 int err; 1302 unsigned int idx; 1303 unsigned char max; 1304 1305 /* build master controls */ 1306 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1307 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1308 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1309 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1310 AC97_MASTER, 0, ac97); 1311 else 1312 err = snd_ac97_cmix_new(card, "Master Playback", 1313 AC97_MASTER, 0, ac97); 1314 if (err < 0) 1315 return err; 1316 } 1317 1318 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; 1319 1320 /* build center controls */ 1321 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1322 && !(ac97->flags & AC97_AD_MULTI)) { 1323 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1324 return err; 1325 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1326 return err; 1327 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1328 kctl->private_value &= ~(0xff << 16); 1329 kctl->private_value |= (int)max << 16; 1330 set_tlv_db_scale(kctl, find_db_scale(max)); 1331 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1332 } 1333 1334 /* build LFE controls */ 1335 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1336 && !(ac97->flags & AC97_AD_MULTI)) { 1337 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1338 return err; 1339 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1340 return err; 1341 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1342 kctl->private_value &= ~(0xff << 16); 1343 kctl->private_value |= (int)max << 16; 1344 set_tlv_db_scale(kctl, find_db_scale(max)); 1345 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1346 } 1347 1348 /* build surround controls */ 1349 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1350 && !(ac97->flags & AC97_AD_MULTI)) { 1351 /* Surround Master (0x38) is with stereo mutes */ 1352 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1353 AC97_SURROUND_MASTER, 1, 0, 1354 ac97)) < 0) 1355 return err; 1356 } 1357 1358 /* build headphone controls */ 1359 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1360 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", 1361 AC97_HEADPHONE, 0, ac97)) < 0) 1362 return err; 1363 } 1364 1365 /* build master mono controls */ 1366 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1367 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", 1368 AC97_MASTER_MONO, 0, ac97)) < 0) 1369 return err; 1370 } 1371 1372 /* build master tone controls */ 1373 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1374 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1375 for (idx = 0; idx < 2; idx++) { 1376 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1377 return err; 1378 if (ac97->id == AC97_ID_YMF753) { 1379 kctl->private_value &= ~(0xff << 16); 1380 kctl->private_value |= 7 << 16; 1381 } 1382 } 1383 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1384 } 1385 } 1386 1387 /* build PC Speaker controls */ 1388 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1389 ((ac97->flags & AC97_HAS_PC_BEEP) || 1390 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1391 for (idx = 0; idx < 2; idx++) 1392 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1393 return err; 1394 set_tlv_db_scale(kctl, db_scale_4bit); 1395 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 1396 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); 1397 } 1398 1399 /* build Phone controls */ 1400 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1401 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1402 if ((err = snd_ac97_cmix_new(card, "Phone Playback", 1403 AC97_PHONE, 1, ac97)) < 0) 1404 return err; 1405 } 1406 } 1407 1408 /* build MIC controls */ 1409 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1410 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1411 if ((err = snd_ac97_cmix_new(card, "Mic Playback", 1412 AC97_MIC, 1, ac97)) < 0) 1413 return err; 1414 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1415 return err; 1416 } 1417 } 1418 1419 /* build Line controls */ 1420 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1421 if ((err = snd_ac97_cmix_new(card, "Line Playback", 1422 AC97_LINE, 1, ac97)) < 0) 1423 return err; 1424 } 1425 1426 /* build CD controls */ 1427 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1428 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1429 if ((err = snd_ac97_cmix_new(card, "CD Playback", 1430 AC97_CD, 1, ac97)) < 0) 1431 return err; 1432 } 1433 } 1434 1435 /* build Video controls */ 1436 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1437 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1438 if ((err = snd_ac97_cmix_new(card, "Video Playback", 1439 AC97_VIDEO, 1, ac97)) < 0) 1440 return err; 1441 } 1442 } 1443 1444 /* build Aux controls */ 1445 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1446 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1447 if ((err = snd_ac97_cmix_new(card, "Aux Playback", 1448 AC97_AUX, 1, ac97)) < 0) 1449 return err; 1450 } 1451 } 1452 1453 /* build PCM controls */ 1454 if (ac97->flags & AC97_AD_MULTI) { 1455 unsigned short init_val; 1456 if (ac97->flags & AC97_STEREO_MUTES) 1457 init_val = 0x9f9f; 1458 else 1459 init_val = 0x9f1f; 1460 for (idx = 0; idx < 2; idx++) 1461 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1462 return err; 1463 set_tlv_db_scale(kctl, db_scale_5bit); 1464 ac97->spec.ad18xx.pcmreg[0] = init_val; 1465 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1466 for (idx = 0; idx < 2; idx++) 1467 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1468 return err; 1469 set_tlv_db_scale(kctl, db_scale_5bit); 1470 ac97->spec.ad18xx.pcmreg[1] = init_val; 1471 } 1472 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1473 for (idx = 0; idx < 2; idx++) 1474 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1475 return err; 1476 set_tlv_db_scale(kctl, db_scale_5bit); 1477 for (idx = 0; idx < 2; idx++) 1478 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1479 return err; 1480 set_tlv_db_scale(kctl, db_scale_5bit); 1481 ac97->spec.ad18xx.pcmreg[2] = init_val; 1482 } 1483 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1484 } else { 1485 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1486 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1487 err = snd_ac97_cmute_new(card, 1488 "PCM Playback Switch", 1489 AC97_PCM, 0, ac97); 1490 else 1491 err = snd_ac97_cmix_new(card, "PCM Playback", 1492 AC97_PCM, 0, ac97); 1493 if (err < 0) 1494 return err; 1495 } 1496 } 1497 1498 /* build Capture controls */ 1499 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1500 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1501 return err; 1502 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1503 err = snd_ac97_cmute_new(card, "Capture Switch", 1504 AC97_REC_GAIN, 0, ac97); 1505 if (err < 0) 1506 return err; 1507 } 1508 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1509 return err; 1510 set_tlv_db_scale(kctl, db_scale_rec_gain); 1511 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1512 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1513 } 1514 /* build MIC Capture controls */ 1515 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1516 for (idx = 0; idx < 2; idx++) 1517 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1518 return err; 1519 set_tlv_db_scale(kctl, db_scale_rec_gain); 1520 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1521 } 1522 1523 /* build PCM out path & mute control */ 1524 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1525 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1526 return err; 1527 } 1528 1529 /* build Simulated Stereo Enhancement control */ 1530 if (ac97->caps & 0x0008) { 1531 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1532 return err; 1533 } 1534 1535 /* build 3D Stereo Enhancement control */ 1536 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1537 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1538 return err; 1539 } 1540 1541 /* build Loudness control */ 1542 if (ac97->caps & 0x0020) { 1543 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1544 return err; 1545 } 1546 1547 /* build Mono output select control */ 1548 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1549 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1550 return err; 1551 } 1552 1553 /* build Mic select control */ 1554 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1555 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1556 return err; 1557 } 1558 1559 /* build ADC/DAC loopback control */ 1560 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1561 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1562 return err; 1563 } 1564 1565 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1566 1567 /* build 3D controls */ 1568 if (ac97->build_ops->build_3d) { 1569 ac97->build_ops->build_3d(ac97); 1570 } else { 1571 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1572 unsigned short val; 1573 val = 0x0707; 1574 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1575 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1576 val = val == 0x0606; 1577 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1578 return err; 1579 if (val) 1580 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1581 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1582 return err; 1583 if (val) 1584 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1585 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1586 } 1587 } 1588 1589 /* build S/PDIF controls */ 1590 1591 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1592 if (ac97->subsystem_vendor == 0x1043 && 1593 ac97->subsystem_device == 0x810f) 1594 ac97->ext_id |= AC97_EI_SPDIF; 1595 1596 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1597 if (ac97->build_ops->build_spdif) { 1598 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1599 return err; 1600 } else { 1601 for (idx = 0; idx < 5; idx++) 1602 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1603 return err; 1604 if (ac97->build_ops->build_post_spdif) { 1605 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1606 return err; 1607 } 1608 /* set default PCM S/PDIF params */ 1609 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1610 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1611 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1612 } 1613 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1614 } 1615 1616 /* build chip specific controls */ 1617 if (ac97->build_ops->build_specific) 1618 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1619 return err; 1620 1621 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1622 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1623 if (! kctl) 1624 return -ENOMEM; 1625 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1626 set_inv_eapd(ac97, kctl); 1627 if ((err = snd_ctl_add(card, kctl)) < 0) 1628 return err; 1629 } 1630 1631 return 0; 1632 } 1633 1634 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1635 { 1636 int err, idx; 1637 1638 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG)); 1639 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1640 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1641 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1642 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1643 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1644 1645 /* build modem switches */ 1646 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1647 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1648 return err; 1649 1650 /* build chip specific controls */ 1651 if (ac97->build_ops->build_specific) 1652 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1653 return err; 1654 1655 return 0; 1656 } 1657 1658 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1659 { 1660 unsigned short val; 1661 unsigned int tmp; 1662 1663 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1664 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1665 if (shadow_reg) 1666 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1667 val = snd_ac97_read(ac97, reg); 1668 return val == (tmp & 0xffff); 1669 } 1670 1671 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1672 { 1673 unsigned int result = 0; 1674 unsigned short saved; 1675 1676 if (ac97->bus->no_vra) { 1677 *r_result = SNDRV_PCM_RATE_48000; 1678 if ((ac97->flags & AC97_DOUBLE_RATE) && 1679 reg == AC97_PCM_FRONT_DAC_RATE) 1680 *r_result |= SNDRV_PCM_RATE_96000; 1681 return; 1682 } 1683 1684 saved = snd_ac97_read(ac97, reg); 1685 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1686 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1687 AC97_EA_DRA, 0); 1688 /* test a non-standard rate */ 1689 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1690 result |= SNDRV_PCM_RATE_CONTINUOUS; 1691 /* let's try to obtain standard rates */ 1692 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1693 result |= SNDRV_PCM_RATE_8000; 1694 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1695 result |= SNDRV_PCM_RATE_11025; 1696 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1697 result |= SNDRV_PCM_RATE_16000; 1698 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1699 result |= SNDRV_PCM_RATE_22050; 1700 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1701 result |= SNDRV_PCM_RATE_32000; 1702 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1703 result |= SNDRV_PCM_RATE_44100; 1704 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1705 result |= SNDRV_PCM_RATE_48000; 1706 if ((ac97->flags & AC97_DOUBLE_RATE) && 1707 reg == AC97_PCM_FRONT_DAC_RATE) { 1708 /* test standard double rates */ 1709 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1710 AC97_EA_DRA, AC97_EA_DRA); 1711 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1712 result |= SNDRV_PCM_RATE_64000; 1713 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1714 result |= SNDRV_PCM_RATE_88200; 1715 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1716 result |= SNDRV_PCM_RATE_96000; 1717 /* some codecs don't support variable double rates */ 1718 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1719 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1720 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1721 AC97_EA_DRA, 0); 1722 } 1723 /* restore the default value */ 1724 snd_ac97_write_cache(ac97, reg, saved); 1725 if (shadow_reg) 1726 snd_ac97_write_cache(ac97, shadow_reg, saved); 1727 *r_result = result; 1728 } 1729 1730 /* check AC97_SPDIF register to accept which sample rates */ 1731 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1732 { 1733 unsigned int result = 0; 1734 int i; 1735 static unsigned short ctl_bits[] = { 1736 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1737 }; 1738 static unsigned int rate_bits[] = { 1739 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1740 }; 1741 1742 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1743 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1744 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1745 result |= rate_bits[i]; 1746 } 1747 return result; 1748 } 1749 1750 /* look for the codec id table matching with the given id */ 1751 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1752 unsigned int id) 1753 { 1754 const struct ac97_codec_id *pid; 1755 1756 for (pid = table; pid->id; pid++) 1757 if (pid->id == (id & pid->mask)) 1758 return pid; 1759 return NULL; 1760 } 1761 1762 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1763 { 1764 const struct ac97_codec_id *pid; 1765 1766 sprintf(name, "0x%x %c%c%c", id, 1767 printable(id >> 24), 1768 printable(id >> 16), 1769 printable(id >> 8)); 1770 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1771 if (! pid) 1772 return; 1773 1774 strcpy(name, pid->name); 1775 if (ac97 && pid->patch) { 1776 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1777 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1778 pid->patch(ac97); 1779 } 1780 1781 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1782 if (pid) { 1783 strcat(name, " "); 1784 strcat(name, pid->name); 1785 if (pid->mask != 0xffffffff) 1786 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1787 if (ac97 && pid->patch) { 1788 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1789 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1790 pid->patch(ac97); 1791 } 1792 } else 1793 sprintf(name + strlen(name), " id %x", id & 0xff); 1794 } 1795 1796 /** 1797 * snd_ac97_get_short_name - retrieve codec name 1798 * @ac97: the codec instance 1799 * 1800 * Returns the short identifying name of the codec. 1801 */ 1802 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1803 { 1804 const struct ac97_codec_id *pid; 1805 1806 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1807 if (pid->id == (ac97->id & pid->mask)) 1808 return pid->name; 1809 return "unknown codec"; 1810 } 1811 1812 EXPORT_SYMBOL(snd_ac97_get_short_name); 1813 1814 /* wait for a while until registers are accessible after RESET 1815 * return 0 if ok, negative not ready 1816 */ 1817 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1818 { 1819 unsigned long end_time; 1820 unsigned short val; 1821 1822 end_time = jiffies + timeout; 1823 do { 1824 1825 /* use preliminary reads to settle the communication */ 1826 snd_ac97_read(ac97, AC97_RESET); 1827 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1828 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1829 /* modem? */ 1830 if (with_modem) { 1831 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1832 if (val != 0xffff && (val & 1) != 0) 1833 return 0; 1834 } 1835 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1836 /* probably only Xbox issue - all registers are read as zero */ 1837 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1838 if (val != 0 && val != 0xffff) 1839 return 0; 1840 } else { 1841 /* because the PCM or MASTER volume registers can be modified, 1842 * the REC_GAIN register is used for tests 1843 */ 1844 /* test if we can write to the record gain volume register */ 1845 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1846 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1847 return 0; 1848 } 1849 schedule_timeout_uninterruptible(1); 1850 } while (time_after_eq(end_time, jiffies)); 1851 return -ENODEV; 1852 } 1853 1854 /** 1855 * snd_ac97_bus - create an AC97 bus component 1856 * @card: the card instance 1857 * @num: the bus number 1858 * @ops: the bus callbacks table 1859 * @private_data: private data pointer for the new instance 1860 * @rbus: the pointer to store the new AC97 bus instance. 1861 * 1862 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1863 * allocated and initialized. 1864 * 1865 * The ops table must include valid callbacks (at least read and 1866 * write). The other callbacks, wait and reset, are not mandatory. 1867 * 1868 * The clock is set to 48000. If another clock is needed, set 1869 * (*rbus)->clock manually. 1870 * 1871 * The AC97 bus instance is registered as a low-level device, so you don't 1872 * have to release it manually. 1873 * 1874 * Returns zero if successful, or a negative error code on failure. 1875 */ 1876 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1877 void *private_data, struct snd_ac97_bus **rbus) 1878 { 1879 int err; 1880 struct snd_ac97_bus *bus; 1881 static struct snd_device_ops dev_ops = { 1882 .dev_free = snd_ac97_bus_dev_free, 1883 }; 1884 1885 snd_assert(card != NULL, return -EINVAL); 1886 snd_assert(rbus != NULL, return -EINVAL); 1887 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1888 if (bus == NULL) 1889 return -ENOMEM; 1890 bus->card = card; 1891 bus->num = num; 1892 bus->ops = ops; 1893 bus->private_data = private_data; 1894 bus->clock = 48000; 1895 spin_lock_init(&bus->bus_lock); 1896 snd_ac97_bus_proc_init(bus); 1897 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1898 snd_ac97_bus_free(bus); 1899 return err; 1900 } 1901 *rbus = bus; 1902 return 0; 1903 } 1904 1905 EXPORT_SYMBOL(snd_ac97_bus); 1906 1907 /* stop no dev release warning */ 1908 static void ac97_device_release(struct device * dev) 1909 { 1910 } 1911 1912 /* register ac97 codec to bus */ 1913 static int snd_ac97_dev_register(struct snd_device *device) 1914 { 1915 struct snd_ac97 *ac97 = device->device_data; 1916 int err; 1917 1918 ac97->dev.bus = &ac97_bus_type; 1919 ac97->dev.parent = ac97->bus->card->dev; 1920 ac97->dev.release = ac97_device_release; 1921 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s", 1922 ac97->bus->card->number, ac97->num, 1923 snd_ac97_get_short_name(ac97)); 1924 if ((err = device_register(&ac97->dev)) < 0) { 1925 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1926 ac97->dev.bus = NULL; 1927 return err; 1928 } 1929 return 0; 1930 } 1931 1932 /* disconnect ac97 codec */ 1933 static int snd_ac97_dev_disconnect(struct snd_device *device) 1934 { 1935 struct snd_ac97 *ac97 = device->device_data; 1936 if (ac97->dev.bus) 1937 device_unregister(&ac97->dev); 1938 return 0; 1939 } 1940 1941 /* build_ops to do nothing */ 1942 static struct snd_ac97_build_ops null_build_ops; 1943 1944 #ifdef CONFIG_SND_AC97_POWER_SAVE 1945 static void do_update_power(struct work_struct *work) 1946 { 1947 update_power_regs( 1948 container_of(work, struct snd_ac97, power_work.work)); 1949 } 1950 #endif 1951 1952 /** 1953 * snd_ac97_mixer - create an Codec97 component 1954 * @bus: the AC97 bus which codec is attached to 1955 * @template: the template of ac97, including index, callbacks and 1956 * the private data. 1957 * @rac97: the pointer to store the new ac97 instance. 1958 * 1959 * Creates an Codec97 component. An struct snd_ac97 instance is newly 1960 * allocated and initialized from the template. The codec 1961 * is then initialized by the standard procedure. 1962 * 1963 * The template must include the codec number (num) and address (addr), 1964 * and the private data (private_data). 1965 * 1966 * The ac97 instance is registered as a low-level device, so you don't 1967 * have to release it manually. 1968 * 1969 * Returns zero if successful, or a negative error code on failure. 1970 */ 1971 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 1972 { 1973 int err; 1974 struct snd_ac97 *ac97; 1975 struct snd_card *card; 1976 char name[64]; 1977 unsigned long end_time; 1978 unsigned int reg; 1979 const struct ac97_codec_id *pid; 1980 static struct snd_device_ops ops = { 1981 .dev_free = snd_ac97_dev_free, 1982 .dev_register = snd_ac97_dev_register, 1983 .dev_disconnect = snd_ac97_dev_disconnect, 1984 }; 1985 1986 snd_assert(rac97 != NULL, return -EINVAL); 1987 *rac97 = NULL; 1988 snd_assert(bus != NULL && template != NULL, return -EINVAL); 1989 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL); 1990 1991 card = bus->card; 1992 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 1993 if (ac97 == NULL) 1994 return -ENOMEM; 1995 ac97->private_data = template->private_data; 1996 ac97->private_free = template->private_free; 1997 ac97->bus = bus; 1998 ac97->pci = template->pci; 1999 ac97->num = template->num; 2000 ac97->addr = template->addr; 2001 ac97->scaps = template->scaps; 2002 ac97->res_table = template->res_table; 2003 bus->codec[ac97->num] = ac97; 2004 mutex_init(&ac97->reg_mutex); 2005 mutex_init(&ac97->page_mutex); 2006 #ifdef CONFIG_SND_AC97_POWER_SAVE 2007 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2008 #endif 2009 2010 #ifdef CONFIG_PCI 2011 if (ac97->pci) { 2012 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2013 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2014 } 2015 #endif 2016 if (bus->ops->reset) { 2017 bus->ops->reset(ac97); 2018 goto __access_ok; 2019 } 2020 2021 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2022 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2023 if (ac97->id && ac97->id != (unsigned int)-1) { 2024 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2025 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2026 goto __access_ok; 2027 } 2028 2029 /* reset to defaults */ 2030 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2031 snd_ac97_write(ac97, AC97_RESET, 0); 2032 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2033 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2034 if (bus->ops->wait) 2035 bus->ops->wait(ac97); 2036 else { 2037 udelay(50); 2038 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2039 err = ac97_reset_wait(ac97, HZ/2, 1); 2040 else { 2041 err = ac97_reset_wait(ac97, HZ/2, 0); 2042 if (err < 0) 2043 err = ac97_reset_wait(ac97, HZ/2, 1); 2044 } 2045 if (err < 0) { 2046 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 2047 /* proceed anyway - it's often non-critical */ 2048 } 2049 } 2050 __access_ok: 2051 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2052 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2053 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2054 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2055 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 2056 snd_ac97_free(ac97); 2057 return -EIO; 2058 } 2059 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2060 if (pid) 2061 ac97->flags |= pid->flags; 2062 2063 /* test for AC'97 */ 2064 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2065 /* test if we can write to the record gain volume register */ 2066 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2067 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 2068 ac97->scaps |= AC97_SCAP_AUDIO; 2069 } 2070 if (ac97->scaps & AC97_SCAP_AUDIO) { 2071 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2072 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2073 if (ac97->ext_id == 0xffff) /* invalid combination */ 2074 ac97->ext_id = 0; 2075 } 2076 2077 /* test for MC'97 */ 2078 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2079 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2080 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2081 ac97->ext_mid = 0; 2082 if (ac97->ext_mid & 1) 2083 ac97->scaps |= AC97_SCAP_MODEM; 2084 } 2085 2086 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2087 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2088 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 2089 snd_ac97_free(ac97); 2090 return -EACCES; 2091 } 2092 2093 if (bus->ops->reset) // FIXME: always skipping? 2094 goto __ready_ok; 2095 2096 /* FIXME: add powerdown control */ 2097 if (ac97_is_audio(ac97)) { 2098 /* nothing should be in powerdown mode */ 2099 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2100 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2101 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2102 udelay(100); 2103 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2104 } 2105 /* nothing should be in powerdown mode */ 2106 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2107 end_time = jiffies + (HZ / 10); 2108 do { 2109 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2110 goto __ready_ok; 2111 schedule_timeout_uninterruptible(1); 2112 } while (time_after_eq(end_time, jiffies)); 2113 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 2114 } 2115 2116 /* FIXME: add powerdown control */ 2117 if (ac97_is_modem(ac97)) { 2118 unsigned char tmp; 2119 2120 /* nothing should be in powerdown mode */ 2121 /* note: it's important to set the rate at first */ 2122 tmp = AC97_MEA_GPIO; 2123 if (ac97->ext_mid & AC97_MEI_LINE1) { 2124 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2125 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2126 } 2127 if (ac97->ext_mid & AC97_MEI_LINE2) { 2128 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2129 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2130 } 2131 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2132 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2133 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2134 } 2135 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2136 udelay(100); 2137 /* nothing should be in powerdown mode */ 2138 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2139 end_time = jiffies + (HZ / 10); 2140 do { 2141 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2142 goto __ready_ok; 2143 schedule_timeout_uninterruptible(1); 2144 } while (time_after_eq(end_time, jiffies)); 2145 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2146 } 2147 2148 __ready_ok: 2149 if (ac97_is_audio(ac97)) 2150 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2151 else 2152 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2153 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2154 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2155 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2156 if (! bus->no_vra) 2157 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2158 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2159 } 2160 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2161 /* Intel controllers require double rate data to be put in 2162 * slots 7+8, so let's hope the codec supports it. */ 2163 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2164 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2165 ac97->flags |= AC97_DOUBLE_RATE; 2166 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2167 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2168 } 2169 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2170 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2171 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2172 } else { 2173 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2174 if (ac97->flags & AC97_DOUBLE_RATE) 2175 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2176 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2177 } 2178 if (ac97->ext_id & AC97_EI_SPDIF) { 2179 /* codec specific code (patch) should override these values */ 2180 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2181 } 2182 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2183 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2184 } else { 2185 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2186 } 2187 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2188 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2189 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2190 } 2191 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2192 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2193 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2194 } 2195 /* additional initializations */ 2196 if (bus->ops->init) 2197 bus->ops->init(ac97); 2198 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2199 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2200 if (! ac97->build_ops) 2201 ac97->build_ops = &null_build_ops; 2202 2203 if (ac97_is_audio(ac97)) { 2204 char comp[16]; 2205 if (card->mixername[0] == '\0') { 2206 strcpy(card->mixername, name); 2207 } else { 2208 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2209 strcat(card->mixername, ","); 2210 strcat(card->mixername, name); 2211 } 2212 } 2213 sprintf(comp, "AC97a:%08x", ac97->id); 2214 if ((err = snd_component_add(card, comp)) < 0) { 2215 snd_ac97_free(ac97); 2216 return err; 2217 } 2218 if (snd_ac97_mixer_build(ac97) < 0) { 2219 snd_ac97_free(ac97); 2220 return -ENOMEM; 2221 } 2222 } 2223 if (ac97_is_modem(ac97)) { 2224 char comp[16]; 2225 if (card->mixername[0] == '\0') { 2226 strcpy(card->mixername, name); 2227 } else { 2228 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2229 strcat(card->mixername, ","); 2230 strcat(card->mixername, name); 2231 } 2232 } 2233 sprintf(comp, "AC97m:%08x", ac97->id); 2234 if ((err = snd_component_add(card, comp)) < 0) { 2235 snd_ac97_free(ac97); 2236 return err; 2237 } 2238 if (snd_ac97_modem_build(card, ac97) < 0) { 2239 snd_ac97_free(ac97); 2240 return -ENOMEM; 2241 } 2242 } 2243 if (ac97_is_audio(ac97)) 2244 update_power_regs(ac97); 2245 snd_ac97_proc_init(ac97); 2246 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2247 snd_ac97_free(ac97); 2248 return err; 2249 } 2250 *rac97 = ac97; 2251 return 0; 2252 } 2253 2254 EXPORT_SYMBOL(snd_ac97_mixer); 2255 2256 /* 2257 * Power down the chip. 2258 * 2259 * MASTER and HEADPHONE registers are muted but the register cache values 2260 * are not changed, so that the values can be restored in snd_ac97_resume(). 2261 */ 2262 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2263 { 2264 unsigned short power; 2265 2266 if (ac97_is_audio(ac97)) { 2267 /* some codecs have stereo mute bits */ 2268 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2269 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2270 } 2271 2272 /* surround, CLFE, mic powerdown */ 2273 power = ac97->regs[AC97_EXTENDED_STATUS]; 2274 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2275 power |= AC97_EA_PRJ; 2276 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2277 power |= AC97_EA_PRI | AC97_EA_PRK; 2278 power |= AC97_EA_PRL; 2279 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2280 2281 /* powerdown external amplifier */ 2282 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2283 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2284 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2285 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2286 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2287 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2288 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2289 udelay(100); 2290 power |= AC97_PD_PR2 | AC97_PD_PR3; /* Analog Mixer powerdown */ 2291 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2292 if (ac97_is_power_save_mode(ac97)) { 2293 udelay(100); 2294 /* AC-link powerdown, internal Clk disable */ 2295 /* FIXME: this may cause click noises on some boards */ 2296 power |= AC97_PD_PR4 | AC97_PD_PR5; 2297 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2298 } 2299 } 2300 2301 2302 struct ac97_power_reg { 2303 unsigned short reg; 2304 unsigned short power_reg; 2305 unsigned short mask; 2306 }; 2307 2308 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2309 2310 static struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2311 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2312 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2313 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2314 AC97_EA_PRI | AC97_EA_PRK}, 2315 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2316 AC97_EA_PRJ}, 2317 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2318 AC97_EA_PRL}, 2319 }; 2320 2321 #ifdef CONFIG_SND_AC97_POWER_SAVE 2322 /** 2323 * snd_ac97_update_power - update the powerdown register 2324 * @ac97: the codec instance 2325 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2326 * @powerup: non-zero when power up the part 2327 * 2328 * Update the AC97 powerdown register bits of the given part. 2329 */ 2330 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2331 { 2332 int i; 2333 2334 if (! ac97) 2335 return 0; 2336 2337 if (reg) { 2338 /* SPDIF requires DAC power, too */ 2339 if (reg == AC97_SPDIF) 2340 reg = AC97_PCM_FRONT_DAC_RATE; 2341 for (i = 0; i < PWIDX_SIZE; i++) { 2342 if (power_regs[i].reg == reg) { 2343 if (powerup) 2344 ac97->power_up |= (1 << i); 2345 else 2346 ac97->power_up &= ~(1 << i); 2347 break; 2348 } 2349 } 2350 } 2351 2352 if (ac97_is_power_save_mode(ac97) && !powerup) 2353 /* adjust power-down bits after two seconds delay 2354 * (for avoiding loud click noises for many (OSS) apps 2355 * that open/close frequently) 2356 */ 2357 schedule_delayed_work(&ac97->power_work, HZ*2); 2358 else { 2359 cancel_delayed_work(&ac97->power_work); 2360 update_power_regs(ac97); 2361 } 2362 2363 return 0; 2364 } 2365 2366 EXPORT_SYMBOL(snd_ac97_update_power); 2367 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2368 2369 static void update_power_regs(struct snd_ac97 *ac97) 2370 { 2371 unsigned int power_up, bits; 2372 int i; 2373 2374 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2375 power_up |= (1 << PWIDX_MIC); 2376 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2377 power_up |= (1 << PWIDX_SURR); 2378 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2379 power_up |= (1 << PWIDX_CLFE); 2380 #ifdef CONFIG_SND_AC97_POWER_SAVE 2381 if (ac97_is_power_save_mode(ac97)) 2382 power_up = ac97->power_up; 2383 #endif 2384 if (power_up) { 2385 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2386 /* needs power-up analog mix and vref */ 2387 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2388 AC97_PD_PR3, 0); 2389 msleep(1); 2390 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2391 AC97_PD_PR2, 0); 2392 } 2393 } 2394 for (i = 0; i < PWIDX_SIZE; i++) { 2395 if (power_up & (1 << i)) 2396 bits = 0; 2397 else 2398 bits = power_regs[i].mask; 2399 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2400 power_regs[i].mask, bits); 2401 } 2402 if (! power_up) { 2403 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2404 /* power down analog mix and vref */ 2405 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2406 AC97_PD_PR2, AC97_PD_PR2); 2407 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2408 AC97_PD_PR3, AC97_PD_PR3); 2409 } 2410 } 2411 } 2412 2413 2414 #ifdef CONFIG_PM 2415 /** 2416 * snd_ac97_suspend - General suspend function for AC97 codec 2417 * @ac97: the ac97 instance 2418 * 2419 * Suspends the codec, power down the chip. 2420 */ 2421 void snd_ac97_suspend(struct snd_ac97 *ac97) 2422 { 2423 if (! ac97) 2424 return; 2425 if (ac97->build_ops->suspend) 2426 ac97->build_ops->suspend(ac97); 2427 #ifdef CONFIG_SND_AC97_POWER_SAVE 2428 cancel_delayed_work(&ac97->power_work); 2429 flush_scheduled_work(); 2430 #endif 2431 snd_ac97_powerdown(ac97); 2432 } 2433 2434 EXPORT_SYMBOL(snd_ac97_suspend); 2435 2436 /* 2437 * restore ac97 status 2438 */ 2439 void snd_ac97_restore_status(struct snd_ac97 *ac97) 2440 { 2441 int i; 2442 2443 for (i = 2; i < 0x7c ; i += 2) { 2444 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2445 continue; 2446 /* restore only accessible registers 2447 * some chip (e.g. nm256) may hang up when unsupported registers 2448 * are accessed..! 2449 */ 2450 if (test_bit(i, ac97->reg_accessed)) { 2451 snd_ac97_write(ac97, i, ac97->regs[i]); 2452 snd_ac97_read(ac97, i); 2453 } 2454 } 2455 } 2456 2457 /* 2458 * restore IEC958 status 2459 */ 2460 void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2461 { 2462 if (ac97->ext_id & AC97_EI_SPDIF) { 2463 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2464 /* reset spdif status */ 2465 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2466 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2467 if (ac97->flags & AC97_CS_SPDIF) 2468 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2469 else 2470 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2471 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2472 } 2473 } 2474 } 2475 2476 /** 2477 * snd_ac97_resume - General resume function for AC97 codec 2478 * @ac97: the ac97 instance 2479 * 2480 * Do the standard resume procedure, power up and restoring the 2481 * old register values. 2482 */ 2483 void snd_ac97_resume(struct snd_ac97 *ac97) 2484 { 2485 unsigned long end_time; 2486 2487 if (! ac97) 2488 return; 2489 2490 if (ac97->bus->ops->reset) { 2491 ac97->bus->ops->reset(ac97); 2492 goto __reset_ready; 2493 } 2494 2495 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2496 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2497 snd_ac97_write(ac97, AC97_RESET, 0); 2498 udelay(100); 2499 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2500 } 2501 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2502 2503 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2504 if (ac97_is_audio(ac97)) { 2505 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2506 end_time = jiffies + msecs_to_jiffies(100); 2507 do { 2508 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2509 break; 2510 schedule_timeout_uninterruptible(1); 2511 } while (time_after_eq(end_time, jiffies)); 2512 /* FIXME: extra delay */ 2513 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); 2514 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) 2515 msleep(250); 2516 } else { 2517 end_time = jiffies + msecs_to_jiffies(100); 2518 do { 2519 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2520 if (val != 0xffff && (val & 1) != 0) 2521 break; 2522 schedule_timeout_uninterruptible(1); 2523 } while (time_after_eq(end_time, jiffies)); 2524 } 2525 __reset_ready: 2526 2527 if (ac97->bus->ops->init) 2528 ac97->bus->ops->init(ac97); 2529 2530 if (ac97->build_ops->resume) 2531 ac97->build_ops->resume(ac97); 2532 else { 2533 snd_ac97_restore_status(ac97); 2534 snd_ac97_restore_iec958(ac97); 2535 } 2536 } 2537 2538 EXPORT_SYMBOL(snd_ac97_resume); 2539 #endif 2540 2541 2542 /* 2543 * Hardware tuning 2544 */ 2545 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2546 { 2547 if (suffix) 2548 sprintf(dst, "%s %s", src, suffix); 2549 else 2550 strcpy(dst, src); 2551 } 2552 2553 /* remove the control with the given name and optional suffix */ 2554 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2555 const char *suffix) 2556 { 2557 struct snd_ctl_elem_id id; 2558 memset(&id, 0, sizeof(id)); 2559 set_ctl_name(id.name, name, suffix); 2560 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2561 return snd_ctl_remove_id(ac97->bus->card, &id); 2562 } 2563 2564 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2565 { 2566 struct snd_ctl_elem_id sid; 2567 memset(&sid, 0, sizeof(sid)); 2568 set_ctl_name(sid.name, name, suffix); 2569 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2570 return snd_ctl_find_id(ac97->bus->card, &sid); 2571 } 2572 2573 /* rename the control with the given name and optional suffix */ 2574 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2575 const char *dst, const char *suffix) 2576 { 2577 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2578 if (kctl) { 2579 set_ctl_name(kctl->id.name, dst, suffix); 2580 return 0; 2581 } 2582 return -ENOENT; 2583 } 2584 2585 /* rename both Volume and Switch controls - don't check the return value */ 2586 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2587 const char *dst) 2588 { 2589 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2590 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2591 } 2592 2593 /* swap controls */ 2594 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2595 const char *s2, const char *suffix) 2596 { 2597 struct snd_kcontrol *kctl1, *kctl2; 2598 kctl1 = ctl_find(ac97, s1, suffix); 2599 kctl2 = ctl_find(ac97, s2, suffix); 2600 if (kctl1 && kctl2) { 2601 set_ctl_name(kctl1->id.name, s2, suffix); 2602 set_ctl_name(kctl2->id.name, s1, suffix); 2603 return 0; 2604 } 2605 return -ENOENT; 2606 } 2607 2608 #if 1 2609 /* bind hp and master controls instead of using only hp control */ 2610 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2611 { 2612 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2613 if (err > 0) { 2614 unsigned long priv_saved = kcontrol->private_value; 2615 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2616 snd_ac97_put_volsw(kcontrol, ucontrol); 2617 kcontrol->private_value = priv_saved; 2618 } 2619 return err; 2620 } 2621 2622 /* ac97 tune: bind Master and Headphone controls */ 2623 static int tune_hp_only(struct snd_ac97 *ac97) 2624 { 2625 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2626 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2627 if (! msw || ! mvol) 2628 return -ENOENT; 2629 msw->put = bind_hp_volsw_put; 2630 mvol->put = bind_hp_volsw_put; 2631 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2632 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2633 return 0; 2634 } 2635 2636 #else 2637 /* ac97 tune: use Headphone control as master */ 2638 static int tune_hp_only(struct snd_ac97 *ac97) 2639 { 2640 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2641 return -ENOENT; 2642 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2643 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2644 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2645 return 0; 2646 } 2647 #endif 2648 2649 /* ac97 tune: swap Headphone and Master controls */ 2650 static int tune_swap_hp(struct snd_ac97 *ac97) 2651 { 2652 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2653 return -ENOENT; 2654 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2655 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2656 return 0; 2657 } 2658 2659 /* ac97 tune: swap Surround and Master controls */ 2660 static int tune_swap_surround(struct snd_ac97 *ac97) 2661 { 2662 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2663 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2664 return -ENOENT; 2665 return 0; 2666 } 2667 2668 /* ac97 tune: set up mic sharing for AD codecs */ 2669 static int tune_ad_sharing(struct snd_ac97 *ac97) 2670 { 2671 unsigned short scfg; 2672 if ((ac97->id & 0xffffff00) != 0x41445300) { 2673 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2674 return -EINVAL; 2675 } 2676 /* Turn on OMS bit to route microphone to back panel */ 2677 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2678 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2679 return 0; 2680 } 2681 2682 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2683 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2684 2685 /* ac97 tune: set up ALC jack-select */ 2686 static int tune_alc_jack(struct snd_ac97 *ac97) 2687 { 2688 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2689 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2690 return -EINVAL; 2691 } 2692 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2693 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2694 if (ac97->id == AC97_ID_ALC658D) 2695 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2696 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2697 } 2698 2699 /* ac97 tune: inversed EAPD bit */ 2700 static int tune_inv_eapd(struct snd_ac97 *ac97) 2701 { 2702 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2703 if (! kctl) 2704 return -ENOENT; 2705 set_inv_eapd(ac97, kctl); 2706 return 0; 2707 } 2708 2709 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2710 { 2711 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2712 if (err > 0) { 2713 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2714 int shift = (kcontrol->private_value >> 8) & 0x0f; 2715 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2716 unsigned short mask; 2717 if (shift != rshift) 2718 mask = 0x8080; 2719 else 2720 mask = 0x8000; 2721 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2722 (ac97->regs[AC97_MASTER] & mask) == mask ? 2723 0x8000 : 0); 2724 } 2725 return err; 2726 } 2727 2728 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2729 static int tune_mute_led(struct snd_ac97 *ac97) 2730 { 2731 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2732 if (! msw) 2733 return -ENOENT; 2734 msw->put = master_mute_sw_put; 2735 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2736 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2737 ac97->scaps |= AC97_SCAP_EAPD_LED; 2738 return 0; 2739 } 2740 2741 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2742 struct snd_ctl_elem_value *ucontrol) 2743 { 2744 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2745 if (err > 0) { 2746 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2747 int shift = (kcontrol->private_value >> 8) & 0x0f; 2748 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2749 unsigned short mask; 2750 if (shift != rshift) 2751 mask = 0x8080; 2752 else 2753 mask = 0x8000; 2754 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2755 (ac97->regs[AC97_MASTER] & mask) == mask ? 2756 0x8000 : 0); 2757 } 2758 return err; 2759 } 2760 2761 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2762 { 2763 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2764 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2765 if (! msw || ! mvol) 2766 return -ENOENT; 2767 msw->put = hp_master_mute_sw_put; 2768 mvol->put = bind_hp_volsw_put; 2769 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2770 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2771 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2772 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2773 return 0; 2774 } 2775 2776 struct quirk_table { 2777 const char *name; 2778 int (*func)(struct snd_ac97 *); 2779 }; 2780 2781 static struct quirk_table applicable_quirks[] = { 2782 { "none", NULL }, 2783 { "hp_only", tune_hp_only }, 2784 { "swap_hp", tune_swap_hp }, 2785 { "swap_surround", tune_swap_surround }, 2786 { "ad_sharing", tune_ad_sharing }, 2787 { "alc_jack", tune_alc_jack }, 2788 { "inv_eapd", tune_inv_eapd }, 2789 { "mute_led", tune_mute_led }, 2790 { "hp_mute_led", tune_hp_mute_led }, 2791 }; 2792 2793 /* apply the quirk with the given type */ 2794 static int apply_quirk(struct snd_ac97 *ac97, int type) 2795 { 2796 if (type <= 0) 2797 return 0; 2798 else if (type >= ARRAY_SIZE(applicable_quirks)) 2799 return -EINVAL; 2800 if (applicable_quirks[type].func) 2801 return applicable_quirks[type].func(ac97); 2802 return 0; 2803 } 2804 2805 /* apply the quirk with the given name */ 2806 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2807 { 2808 int i; 2809 struct quirk_table *q; 2810 2811 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2812 q = &applicable_quirks[i]; 2813 if (q->name && ! strcmp(typestr, q->name)) 2814 return apply_quirk(ac97, i); 2815 } 2816 /* for compatibility, accept the numbers, too */ 2817 if (*typestr >= '0' && *typestr <= '9') 2818 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2819 return -EINVAL; 2820 } 2821 2822 /** 2823 * snd_ac97_tune_hardware - tune up the hardware 2824 * @ac97: the ac97 instance 2825 * @quirk: quirk list 2826 * @override: explicit quirk value (overrides the list if non-NULL) 2827 * 2828 * Do some workaround for each pci device, such as renaming of the 2829 * headphone (true line-out) control as "Master". 2830 * The quirk-list must be terminated with a zero-filled entry. 2831 * 2832 * Returns zero if successful, or a negative error code on failure. 2833 */ 2834 2835 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) 2836 { 2837 int result; 2838 2839 /* quirk overriden? */ 2840 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2841 result = apply_quirk_str(ac97, override); 2842 if (result < 0) 2843 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2844 return result; 2845 } 2846 2847 if (! quirk) 2848 return -EINVAL; 2849 2850 for (; quirk->subvendor; quirk++) { 2851 if (quirk->subvendor != ac97->subsystem_vendor) 2852 continue; 2853 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2854 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2855 if (quirk->codec_id && quirk->codec_id != ac97->id) 2856 continue; 2857 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2858 result = apply_quirk(ac97, quirk->type); 2859 if (result < 0) 2860 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2861 return result; 2862 } 2863 } 2864 return 0; 2865 } 2866 2867 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2868 2869 /* 2870 * INIT part 2871 */ 2872 2873 static int __init alsa_ac97_init(void) 2874 { 2875 return 0; 2876 } 2877 2878 static void __exit alsa_ac97_exit(void) 2879 { 2880 } 2881 2882 module_init(alsa_ac97_init) 2883 module_exit(alsa_ac97_exit) 2884