1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 3 * Universal interface for Audio Codec '97 4 * 5 * For more details look to AC '97 component specification revision 2.2 6 * by Intel Corporation (http://developer.intel.com). 7 * 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 */ 24 25 #include <linux/delay.h> 26 #include <linux/init.h> 27 #include <linux/slab.h> 28 #include <linux/pci.h> 29 #include <linux/module.h> 30 #include <linux/mutex.h> 31 #include <sound/core.h> 32 #include <sound/pcm.h> 33 #include <sound/tlv.h> 34 #include <sound/ac97_codec.h> 35 #include <sound/asoundef.h> 36 #include <sound/initval.h> 37 #include "ac97_id.h" 38 39 #include "ac97_patch.c" 40 41 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 42 MODULE_DESCRIPTION("Universal interface for Audio Codec '97"); 43 MODULE_LICENSE("GPL"); 44 45 static bool enable_loopback; 46 47 module_param(enable_loopback, bool, 0444); 48 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control"); 49 50 #ifdef CONFIG_SND_AC97_POWER_SAVE 51 static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT; 52 module_param(power_save, int, 0644); 53 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout " 54 "(in second, 0 = disable)."); 55 #endif 56 /* 57 58 */ 59 60 struct ac97_codec_id { 61 unsigned int id; 62 unsigned int mask; 63 const char *name; 64 int (*patch)(struct snd_ac97 *ac97); 65 int (*mpatch)(struct snd_ac97 *ac97); 66 unsigned int flags; 67 }; 68 69 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = { 70 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, 71 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, 72 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, 73 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL }, 74 /* 75 * This is an _inofficial_ Aztech Labs entry 76 * (value might differ from unknown official Aztech ID), 77 * currently used by the AC97 emulation of the almost-AC97 PCI168 card. 78 */ 79 { 0x415a5400, 0xffffff00, "Aztech Labs (emulated)", NULL, NULL }, 80 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, 81 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, 82 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, 83 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, 84 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, 85 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, 86 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, 87 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, 88 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, 89 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, 90 { 0x50534300, 0xffffff00, "Philips", NULL, NULL }, 91 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, 92 { 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL }, 93 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, 94 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, 95 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, 96 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, 97 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, 98 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, 99 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, 100 { 0, 0, NULL, NULL, NULL } 101 }; 102 103 static const struct ac97_codec_id snd_ac97_codec_ids[] = { 104 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, 105 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, 106 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, 107 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, 108 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, 109 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, 110 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, 111 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, 112 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, 113 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, 114 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, 115 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, 116 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL }, 117 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, 118 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, 119 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, 120 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, 121 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, 122 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, 123 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, 124 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ 125 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ 126 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ 127 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, 128 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 129 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 130 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 131 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, 132 { 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL }, 133 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ 134 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 135 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 136 { 0x415a5401, 0xffffffff, "AZF3328", patch_aztech_azf3328, NULL }, 137 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, 138 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, 139 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, 140 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL }, 141 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL }, 142 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL }, 143 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, 144 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, 145 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, 146 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, 147 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, 148 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, 149 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, 150 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, 151 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, 152 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II 153 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different 154 { 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL }, 155 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL }, 156 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 157 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028? 158 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 159 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 160 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 161 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 162 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 163 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 164 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 165 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 166 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 167 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 168 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 169 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix 170 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL }, 171 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 172 { 0x53544d02, 0xffffffff, "ST7597", NULL, NULL }, 173 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 174 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL }, 175 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 176 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 177 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 178 { 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL }, 179 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 180 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 181 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 182 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL }, 183 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 184 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL }, 185 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 186 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 187 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 188 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 189 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL}, 190 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 191 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL }, 192 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 193 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 194 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 195 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 196 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 197 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 198 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 199 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 200 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 201 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 202 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 203 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 204 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 205 { 0, 0, NULL, NULL, NULL } 206 }; 207 208 209 static void update_power_regs(struct snd_ac97 *ac97); 210 #ifdef CONFIG_SND_AC97_POWER_SAVE 211 #define ac97_is_power_save_mode(ac97) \ 212 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save) 213 #else 214 #define ac97_is_power_save_mode(ac97) 0 215 #endif 216 217 218 /* 219 * I/O routines 220 */ 221 222 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 223 { 224 /* filter some registers for buggy codecs */ 225 switch (ac97->id) { 226 case AC97_ID_ST_AC97_ID4: 227 if (reg == 0x08) 228 return 0; 229 /* fall through */ 230 case AC97_ID_ST7597: 231 if (reg == 0x22 || reg == 0x7a) 232 return 1; 233 /* fall through */ 234 case AC97_ID_AK4540: 235 case AC97_ID_AK4542: 236 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 237 return 1; 238 return 0; 239 case AC97_ID_AD1819: /* AD1819 */ 240 case AC97_ID_AD1881: /* AD1881 */ 241 case AC97_ID_AD1881A: /* AD1881A */ 242 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 243 return 0; 244 return 1; 245 case AC97_ID_AD1885: /* AD1885 */ 246 case AC97_ID_AD1886: /* AD1886 */ 247 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 248 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 249 if (reg == 0x5a) 250 return 1; 251 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 252 return 0; 253 return 1; 254 case AC97_ID_STAC9700: 255 case AC97_ID_STAC9704: 256 case AC97_ID_STAC9705: 257 case AC97_ID_STAC9708: 258 case AC97_ID_STAC9721: 259 case AC97_ID_STAC9744: 260 case AC97_ID_STAC9756: 261 if (reg <= 0x3a || reg >= 0x5a) 262 return 1; 263 return 0; 264 } 265 return 1; 266 } 267 268 /** 269 * snd_ac97_write - write a value on the given register 270 * @ac97: the ac97 instance 271 * @reg: the register to change 272 * @value: the value to set 273 * 274 * Writes a value on the given register. This will invoke the write 275 * callback directly after the register check. 276 * This function doesn't change the register cache unlike 277 * #snd_ca97_write_cache(), so use this only when you don't want to 278 * reflect the change to the suspend/resume state. 279 */ 280 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 281 { 282 if (!snd_ac97_valid_reg(ac97, reg)) 283 return; 284 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 285 /* Fix H/W bug of ALC100/100P */ 286 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 287 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 288 } 289 ac97->bus->ops->write(ac97, reg, value); 290 } 291 292 EXPORT_SYMBOL(snd_ac97_write); 293 294 /** 295 * snd_ac97_read - read a value from the given register 296 * 297 * @ac97: the ac97 instance 298 * @reg: the register to read 299 * 300 * Reads a value from the given register. This will invoke the read 301 * callback directly after the register check. 302 * 303 * Return: The read value. 304 */ 305 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 306 { 307 if (!snd_ac97_valid_reg(ac97, reg)) 308 return 0; 309 return ac97->bus->ops->read(ac97, reg); 310 } 311 312 /* read a register - return the cached value if already read */ 313 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 314 { 315 if (! test_bit(reg, ac97->reg_accessed)) { 316 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 317 // set_bit(reg, ac97->reg_accessed); 318 } 319 return ac97->regs[reg]; 320 } 321 322 EXPORT_SYMBOL(snd_ac97_read); 323 324 /** 325 * snd_ac97_write_cache - write a value on the given register and update the cache 326 * @ac97: the ac97 instance 327 * @reg: the register to change 328 * @value: the value to set 329 * 330 * Writes a value on the given register and updates the register 331 * cache. The cached values are used for the cached-read and the 332 * suspend/resume. 333 */ 334 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 335 { 336 if (!snd_ac97_valid_reg(ac97, reg)) 337 return; 338 mutex_lock(&ac97->reg_mutex); 339 ac97->regs[reg] = value; 340 ac97->bus->ops->write(ac97, reg, value); 341 set_bit(reg, ac97->reg_accessed); 342 mutex_unlock(&ac97->reg_mutex); 343 } 344 345 EXPORT_SYMBOL(snd_ac97_write_cache); 346 347 /** 348 * snd_ac97_update - update the value on the given register 349 * @ac97: the ac97 instance 350 * @reg: the register to change 351 * @value: the value to set 352 * 353 * Compares the value with the register cache and updates the value 354 * only when the value is changed. 355 * 356 * Return: 1 if the value is changed, 0 if no change, or a negative 357 * code on failure. 358 */ 359 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 360 { 361 int change; 362 363 if (!snd_ac97_valid_reg(ac97, reg)) 364 return -EINVAL; 365 mutex_lock(&ac97->reg_mutex); 366 change = ac97->regs[reg] != value; 367 if (change) { 368 ac97->regs[reg] = value; 369 ac97->bus->ops->write(ac97, reg, value); 370 } 371 set_bit(reg, ac97->reg_accessed); 372 mutex_unlock(&ac97->reg_mutex); 373 return change; 374 } 375 376 EXPORT_SYMBOL(snd_ac97_update); 377 378 /** 379 * snd_ac97_update_bits - update the bits on the given register 380 * @ac97: the ac97 instance 381 * @reg: the register to change 382 * @mask: the bit-mask to change 383 * @value: the value to set 384 * 385 * Updates the masked-bits on the given register only when the value 386 * is changed. 387 * 388 * Return: 1 if the bits are changed, 0 if no change, or a negative 389 * code on failure. 390 */ 391 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 392 { 393 int change; 394 395 if (!snd_ac97_valid_reg(ac97, reg)) 396 return -EINVAL; 397 mutex_lock(&ac97->reg_mutex); 398 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 399 mutex_unlock(&ac97->reg_mutex); 400 return change; 401 } 402 403 EXPORT_SYMBOL(snd_ac97_update_bits); 404 405 /* no lock version - see snd_ac97_update_bits() */ 406 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 407 unsigned short mask, unsigned short value) 408 { 409 int change; 410 unsigned short old, new; 411 412 old = snd_ac97_read_cache(ac97, reg); 413 new = (old & ~mask) | (value & mask); 414 change = old != new; 415 if (change) { 416 ac97->regs[reg] = new; 417 ac97->bus->ops->write(ac97, reg, new); 418 } 419 set_bit(reg, ac97->reg_accessed); 420 return change; 421 } 422 423 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 424 { 425 int change; 426 unsigned short old, new, cfg; 427 428 mutex_lock(&ac97->page_mutex); 429 old = ac97->spec.ad18xx.pcmreg[codec]; 430 new = (old & ~mask) | (value & mask); 431 change = old != new; 432 if (change) { 433 mutex_lock(&ac97->reg_mutex); 434 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 435 ac97->spec.ad18xx.pcmreg[codec] = new; 436 /* select single codec */ 437 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 438 (cfg & ~0x7000) | 439 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 440 /* update PCM bits */ 441 ac97->bus->ops->write(ac97, AC97_PCM, new); 442 /* select all codecs */ 443 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 444 cfg | 0x7000); 445 mutex_unlock(&ac97->reg_mutex); 446 } 447 mutex_unlock(&ac97->page_mutex); 448 return change; 449 } 450 451 /* 452 * Controls 453 */ 454 455 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, 456 struct snd_ctl_elem_info *uinfo) 457 { 458 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 459 460 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 461 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 462 uinfo->value.enumerated.items = e->mask; 463 464 if (uinfo->value.enumerated.item > e->mask - 1) 465 uinfo->value.enumerated.item = e->mask - 1; 466 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 467 return 0; 468 } 469 470 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, 471 struct snd_ctl_elem_value *ucontrol) 472 { 473 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 474 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 475 unsigned short val, bitmask; 476 477 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 478 ; 479 val = snd_ac97_read_cache(ac97, e->reg); 480 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 481 if (e->shift_l != e->shift_r) 482 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 483 484 return 0; 485 } 486 487 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, 488 struct snd_ctl_elem_value *ucontrol) 489 { 490 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 491 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 492 unsigned short val; 493 unsigned short mask, bitmask; 494 495 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 496 ; 497 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 498 return -EINVAL; 499 val = ucontrol->value.enumerated.item[0] << e->shift_l; 500 mask = (bitmask - 1) << e->shift_l; 501 if (e->shift_l != e->shift_r) { 502 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 503 return -EINVAL; 504 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 505 mask |= (bitmask - 1) << e->shift_r; 506 } 507 return snd_ac97_update_bits(ac97, e->reg, mask, val); 508 } 509 510 /* save/restore ac97 v2.3 paging */ 511 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 512 { 513 int page_save = -1; 514 if ((kcontrol->private_value & (1<<25)) && 515 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 516 (reg >= 0x60 && reg < 0x70)) { 517 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 518 mutex_lock(&ac97->page_mutex); /* lock paging */ 519 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 520 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 521 } 522 return page_save; 523 } 524 525 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 526 { 527 if (page_save >= 0) { 528 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 529 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 530 } 531 } 532 533 /* volume and switch controls */ 534 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, 535 struct snd_ctl_elem_info *uinfo) 536 { 537 int mask = (kcontrol->private_value >> 16) & 0xff; 538 int shift = (kcontrol->private_value >> 8) & 0x0f; 539 int rshift = (kcontrol->private_value >> 12) & 0x0f; 540 541 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 542 uinfo->count = shift == rshift ? 1 : 2; 543 uinfo->value.integer.min = 0; 544 uinfo->value.integer.max = mask; 545 return 0; 546 } 547 548 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, 549 struct snd_ctl_elem_value *ucontrol) 550 { 551 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 552 int reg = kcontrol->private_value & 0xff; 553 int shift = (kcontrol->private_value >> 8) & 0x0f; 554 int rshift = (kcontrol->private_value >> 12) & 0x0f; 555 int mask = (kcontrol->private_value >> 16) & 0xff; 556 int invert = (kcontrol->private_value >> 24) & 0x01; 557 int page_save; 558 559 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 560 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 561 if (shift != rshift) 562 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 563 if (invert) { 564 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 565 if (shift != rshift) 566 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 567 } 568 snd_ac97_page_restore(ac97, page_save); 569 return 0; 570 } 571 572 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, 573 struct snd_ctl_elem_value *ucontrol) 574 { 575 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 576 int reg = kcontrol->private_value & 0xff; 577 int shift = (kcontrol->private_value >> 8) & 0x0f; 578 int rshift = (kcontrol->private_value >> 12) & 0x0f; 579 int mask = (kcontrol->private_value >> 16) & 0xff; 580 int invert = (kcontrol->private_value >> 24) & 0x01; 581 int err, page_save; 582 unsigned short val, val2, val_mask; 583 584 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 585 val = (ucontrol->value.integer.value[0] & mask); 586 if (invert) 587 val = mask - val; 588 val_mask = mask << shift; 589 val = val << shift; 590 if (shift != rshift) { 591 val2 = (ucontrol->value.integer.value[1] & mask); 592 if (invert) 593 val2 = mask - val2; 594 val_mask |= mask << rshift; 595 val |= val2 << rshift; 596 } 597 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 598 snd_ac97_page_restore(ac97, page_save); 599 #ifdef CONFIG_SND_AC97_POWER_SAVE 600 /* check analog mixer power-down */ 601 if ((val_mask & AC97_PD_EAPD) && 602 (kcontrol->private_value & (1<<30))) { 603 if (val & AC97_PD_EAPD) 604 ac97->power_up &= ~(1 << (reg>>1)); 605 else 606 ac97->power_up |= 1 << (reg>>1); 607 update_power_regs(ac97); 608 } 609 #endif 610 return err; 611 } 612 613 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 614 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 615 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 616 }; 617 618 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 619 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 620 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 621 }; 622 623 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 624 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1), 625 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1) 626 }; 627 628 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 629 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 630 631 632 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 633 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 634 static const char* std_mix[] = {"Mix", "Mic"}; 635 static const char* std_mic[] = {"Mic1", "Mic2"}; 636 637 static const struct ac97_enum std_enum[] = { 638 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 639 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 640 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 641 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 642 }; 643 644 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 645 AC97_ENUM("Capture Source", std_enum[0]); 646 647 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 648 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 649 650 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 651 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 652 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 653 }; 654 655 enum { 656 AC97_GENERAL_PCM_OUT = 0, 657 AC97_GENERAL_STEREO_ENHANCEMENT, 658 AC97_GENERAL_3D, 659 AC97_GENERAL_LOUDNESS, 660 AC97_GENERAL_MONO, 661 AC97_GENERAL_MIC, 662 AC97_GENERAL_LOOPBACK 663 }; 664 665 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 666 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 667 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 668 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 669 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 670 AC97_ENUM("Mono Output Select", std_enum[2]), 671 AC97_ENUM("Mic Select", std_enum[3]), 672 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 673 }; 674 675 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 676 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 677 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 678 }; 679 680 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 681 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 682 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 683 }; 684 685 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 686 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 687 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 688 }; 689 690 static const struct snd_kcontrol_new snd_ac97_control_eapd = 691 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 692 693 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 694 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 695 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 696 }; 697 698 /* change the existing EAPD control as inverted */ 699 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 700 { 701 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 702 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 703 ac97->scaps |= AC97_SCAP_INV_EAPD; 704 } 705 706 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 707 { 708 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 709 uinfo->count = 1; 710 return 0; 711 } 712 713 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 714 { 715 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 716 IEC958_AES0_NONAUDIO | 717 IEC958_AES0_CON_EMPHASIS_5015 | 718 IEC958_AES0_CON_NOT_COPYRIGHT; 719 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 720 IEC958_AES1_CON_ORIGINAL; 721 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 722 return 0; 723 } 724 725 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 726 { 727 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 728 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 729 IEC958_AES0_NONAUDIO | 730 IEC958_AES0_PRO_FS | 731 IEC958_AES0_PRO_EMPHASIS_5015; 732 return 0; 733 } 734 735 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 736 { 737 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 738 739 mutex_lock(&ac97->reg_mutex); 740 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 741 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 742 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 743 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 744 mutex_unlock(&ac97->reg_mutex); 745 return 0; 746 } 747 748 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 749 { 750 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 751 unsigned int new = 0; 752 unsigned short val = 0; 753 int change; 754 755 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 756 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 757 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 758 switch (new & IEC958_AES0_PRO_FS) { 759 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 760 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 761 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 762 default: val |= 1<<12; break; 763 } 764 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 765 val |= 1<<3; 766 } else { 767 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 768 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 769 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 770 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 771 val |= 1<<3; 772 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 773 val |= 1<<2; 774 val |= ((new >> 8) & 0xff) << 4; // category + original 775 switch ((new >> 24) & 0xff) { 776 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 777 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 778 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 779 default: val |= 1<<12; break; 780 } 781 } 782 783 mutex_lock(&ac97->reg_mutex); 784 change = ac97->spdif_status != new; 785 ac97->spdif_status = new; 786 787 if (ac97->flags & AC97_CS_SPDIF) { 788 int x = (val >> 12) & 0x03; 789 switch (x) { 790 case 0: x = 1; break; // 44.1 791 case 2: x = 0; break; // 48.0 792 default: x = 0; break; // illegal. 793 } 794 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 795 } else if (ac97->flags & AC97_CX_SPDIF) { 796 int v; 797 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 798 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 799 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 800 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 801 v); 802 } else if (ac97->id == AC97_ID_YMF743) { 803 change |= snd_ac97_update_bits_nolock(ac97, 804 AC97_YMF7X3_DIT_CTRL, 805 0xff38, 806 ((val << 4) & 0xff00) | 807 ((val << 2) & 0x0038)); 808 } else { 809 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 810 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 811 812 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 813 if (extst & AC97_EA_SPDIF) { 814 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 815 } 816 } 817 mutex_unlock(&ac97->reg_mutex); 818 819 return change; 820 } 821 822 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 823 { 824 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 825 int reg = kcontrol->private_value & 0xff; 826 int shift = (kcontrol->private_value >> 8) & 0xff; 827 int mask = (kcontrol->private_value >> 16) & 0xff; 828 // int invert = (kcontrol->private_value >> 24) & 0xff; 829 unsigned short value, old, new; 830 int change; 831 832 value = (ucontrol->value.integer.value[0] & mask); 833 834 mutex_lock(&ac97->reg_mutex); 835 mask <<= shift; 836 value <<= shift; 837 old = snd_ac97_read_cache(ac97, reg); 838 new = (old & ~mask) | value; 839 change = old != new; 840 841 if (change) { 842 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 843 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 844 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 845 if (extst & AC97_EA_SPDIF) 846 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 847 } 848 mutex_unlock(&ac97->reg_mutex); 849 return change; 850 } 851 852 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 853 { 854 .access = SNDRV_CTL_ELEM_ACCESS_READ, 855 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 856 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 857 .info = snd_ac97_spdif_mask_info, 858 .get = snd_ac97_spdif_cmask_get, 859 }, 860 { 861 .access = SNDRV_CTL_ELEM_ACCESS_READ, 862 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 863 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 864 .info = snd_ac97_spdif_mask_info, 865 .get = snd_ac97_spdif_pmask_get, 866 }, 867 { 868 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 869 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 870 .info = snd_ac97_spdif_mask_info, 871 .get = snd_ac97_spdif_default_get, 872 .put = snd_ac97_spdif_default_put, 873 }, 874 875 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 876 { 877 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 878 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 879 .info = snd_ac97_info_volsw, 880 .get = snd_ac97_get_volsw, 881 .put = snd_ac97_put_spsa, 882 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 883 }, 884 }; 885 886 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 887 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 888 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 889 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 890 891 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 892 { 893 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 894 int mask = (kcontrol->private_value >> 16) & 0x0f; 895 int lshift = (kcontrol->private_value >> 8) & 0x0f; 896 int rshift = (kcontrol->private_value >> 12) & 0x0f; 897 898 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 899 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 900 uinfo->count = 2; 901 else 902 uinfo->count = 1; 903 uinfo->value.integer.min = 0; 904 uinfo->value.integer.max = mask; 905 return 0; 906 } 907 908 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 909 { 910 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 911 int codec = kcontrol->private_value & 3; 912 int lshift = (kcontrol->private_value >> 8) & 0x0f; 913 int rshift = (kcontrol->private_value >> 12) & 0x0f; 914 int mask = (kcontrol->private_value >> 16) & 0xff; 915 916 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 917 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 918 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 919 return 0; 920 } 921 922 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 923 { 924 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 925 int codec = kcontrol->private_value & 3; 926 int lshift = (kcontrol->private_value >> 8) & 0x0f; 927 int rshift = (kcontrol->private_value >> 12) & 0x0f; 928 int mask = (kcontrol->private_value >> 16) & 0xff; 929 unsigned short val, valmask; 930 931 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 932 valmask = mask << lshift; 933 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 934 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 935 valmask |= mask << rshift; 936 } 937 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 938 } 939 940 #define AD18XX_PCM_VOLUME(xname, codec) \ 941 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 942 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 943 .private_value = codec } 944 945 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 946 { 947 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 948 uinfo->count = 2; 949 uinfo->value.integer.min = 0; 950 uinfo->value.integer.max = 31; 951 return 0; 952 } 953 954 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 955 { 956 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 957 int codec = kcontrol->private_value & 3; 958 959 mutex_lock(&ac97->page_mutex); 960 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 961 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 962 mutex_unlock(&ac97->page_mutex); 963 return 0; 964 } 965 966 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 967 { 968 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 969 int codec = kcontrol->private_value & 3; 970 unsigned short val1, val2; 971 972 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 973 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 974 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 975 } 976 977 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 978 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 979 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 980 }; 981 982 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 983 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 984 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 985 }; 986 987 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 988 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 989 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 990 }; 991 992 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 993 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 994 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 995 }; 996 997 /* 998 * 999 */ 1000 1001 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 1002 1003 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 1004 { 1005 if (bus) { 1006 snd_ac97_bus_proc_done(bus); 1007 kfree(bus->pcms); 1008 if (bus->private_free) 1009 bus->private_free(bus); 1010 kfree(bus); 1011 } 1012 return 0; 1013 } 1014 1015 static int snd_ac97_bus_dev_free(struct snd_device *device) 1016 { 1017 struct snd_ac97_bus *bus = device->device_data; 1018 return snd_ac97_bus_free(bus); 1019 } 1020 1021 static int snd_ac97_free(struct snd_ac97 *ac97) 1022 { 1023 if (ac97) { 1024 #ifdef CONFIG_SND_AC97_POWER_SAVE 1025 cancel_delayed_work_sync(&ac97->power_work); 1026 #endif 1027 snd_ac97_proc_done(ac97); 1028 if (ac97->bus) 1029 ac97->bus->codec[ac97->num] = NULL; 1030 if (ac97->private_free) 1031 ac97->private_free(ac97); 1032 kfree(ac97); 1033 } 1034 return 0; 1035 } 1036 1037 static int snd_ac97_dev_free(struct snd_device *device) 1038 { 1039 struct snd_ac97 *ac97 = device->device_data; 1040 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1041 return snd_ac97_free(ac97); 1042 } 1043 1044 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1045 { 1046 unsigned short val, mask = AC97_MUTE_MASK_MONO; 1047 1048 if (! snd_ac97_valid_reg(ac97, reg)) 1049 return 0; 1050 1051 switch (reg) { 1052 case AC97_MASTER_TONE: 1053 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0; 1054 case AC97_HEADPHONE: 1055 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0; 1056 case AC97_REC_GAIN_MIC: 1057 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0; 1058 case AC97_3D_CONTROL: 1059 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) { 1060 val = snd_ac97_read(ac97, reg); 1061 /* if nonzero - fixed and we can't set it */ 1062 return val == 0; 1063 } 1064 return 0; 1065 case AC97_CENTER_LFE_MASTER: /* center */ 1066 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1067 return 0; 1068 break; 1069 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1070 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1071 return 0; 1072 reg = AC97_CENTER_LFE_MASTER; 1073 mask = 0x0080; 1074 break; 1075 case AC97_SURROUND_MASTER: 1076 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1077 return 0; 1078 break; 1079 } 1080 1081 val = snd_ac97_read(ac97, reg); 1082 if (!(val & mask)) { 1083 /* nothing seems to be here - mute flag is not set */ 1084 /* try another test */ 1085 snd_ac97_write_cache(ac97, reg, val | mask); 1086 val = snd_ac97_read(ac97, reg); 1087 val = snd_ac97_read(ac97, reg); 1088 if (!(val & mask)) 1089 return 0; /* nothing here */ 1090 } 1091 return 1; /* success, useable */ 1092 } 1093 1094 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1095 { 1096 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1097 unsigned char max[3] = { 63, 31, 15 }; 1098 int i; 1099 1100 /* first look up the static resolution table */ 1101 if (ac97->res_table) { 1102 const struct snd_ac97_res_table *tbl; 1103 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1104 if (tbl->reg == reg) { 1105 *lo_max = tbl->bits & 0xff; 1106 *hi_max = (tbl->bits >> 8) & 0xff; 1107 return; 1108 } 1109 } 1110 } 1111 1112 *lo_max = *hi_max = 0; 1113 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1114 unsigned short val; 1115 snd_ac97_write( 1116 ac97, reg, 1117 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8) 1118 ); 1119 /* Do the read twice due to buffers on some ac97 codecs. 1120 * e.g. The STAC9704 returns exactly what you wrote to the register 1121 * if you read it immediately. This causes the detect routine to fail. 1122 */ 1123 val = snd_ac97_read(ac97, reg); 1124 val = snd_ac97_read(ac97, reg); 1125 if (! *lo_max && (val & 0x7f) == cbit[i]) 1126 *lo_max = max[i]; 1127 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1128 *hi_max = max[i]; 1129 if (*lo_max && *hi_max) 1130 break; 1131 } 1132 } 1133 1134 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1135 { 1136 unsigned short mask, val, orig, res; 1137 1138 mask = 1 << bit; 1139 orig = snd_ac97_read(ac97, reg); 1140 val = orig ^ mask; 1141 snd_ac97_write(ac97, reg, val); 1142 res = snd_ac97_read(ac97, reg); 1143 snd_ac97_write_cache(ac97, reg, orig); 1144 return res == val; 1145 } 1146 1147 /* check the volume resolution of center/lfe */ 1148 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1149 { 1150 unsigned short val, val1; 1151 1152 *max = 63; 1153 val = AC97_MUTE_MASK_STEREO | (0x20 << shift); 1154 snd_ac97_write(ac97, reg, val); 1155 val1 = snd_ac97_read(ac97, reg); 1156 if (val != val1) { 1157 *max = 31; 1158 } 1159 /* reset volume to zero */ 1160 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO); 1161 } 1162 1163 static inline int printable(unsigned int x) 1164 { 1165 x &= 0xff; 1166 if (x < ' ' || x >= 0x71) { 1167 if (x <= 0x89) 1168 return x - 0x71 + 'A'; 1169 return '?'; 1170 } 1171 return x; 1172 } 1173 1174 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, 1175 struct snd_ac97 * ac97) 1176 { 1177 struct snd_kcontrol_new template; 1178 memcpy(&template, _template, sizeof(template)); 1179 template.index = ac97->num; 1180 return snd_ctl_new1(&template, ac97); 1181 } 1182 1183 /* 1184 * create mute switch(es) for normal stereo controls 1185 */ 1186 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1187 int check_stereo, int check_amix, 1188 struct snd_ac97 *ac97) 1189 { 1190 struct snd_kcontrol *kctl; 1191 int err; 1192 unsigned short val, val1, mute_mask; 1193 1194 if (! snd_ac97_valid_reg(ac97, reg)) 1195 return 0; 1196 1197 mute_mask = AC97_MUTE_MASK_MONO; 1198 val = snd_ac97_read(ac97, reg); 1199 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1200 /* check whether both mute bits work */ 1201 val1 = val | AC97_MUTE_MASK_STEREO; 1202 snd_ac97_write(ac97, reg, val1); 1203 if (val1 == snd_ac97_read(ac97, reg)) 1204 mute_mask = AC97_MUTE_MASK_STEREO; 1205 } 1206 if (mute_mask == AC97_MUTE_MASK_STEREO) { 1207 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1208 if (check_amix) 1209 tmp.private_value |= (1 << 30); 1210 tmp.index = ac97->num; 1211 kctl = snd_ctl_new1(&tmp, ac97); 1212 } else { 1213 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1214 if (check_amix) 1215 tmp.private_value |= (1 << 30); 1216 tmp.index = ac97->num; 1217 kctl = snd_ctl_new1(&tmp, ac97); 1218 } 1219 err = snd_ctl_add(card, kctl); 1220 if (err < 0) 1221 return err; 1222 /* mute as default */ 1223 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1224 return 0; 1225 } 1226 1227 /* 1228 * set dB information 1229 */ 1230 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1231 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1232 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1233 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1234 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1235 1236 static const unsigned int *find_db_scale(unsigned int maxval) 1237 { 1238 switch (maxval) { 1239 case 0x0f: return db_scale_4bit; 1240 case 0x1f: return db_scale_5bit; 1241 case 0x3f: return db_scale_6bit; 1242 } 1243 return NULL; 1244 } 1245 1246 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1247 { 1248 kctl->tlv.p = tlv; 1249 if (tlv) 1250 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1251 } 1252 1253 /* 1254 * create a volume for normal stereo/mono controls 1255 */ 1256 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1257 unsigned int hi_max, struct snd_ac97 *ac97) 1258 { 1259 int err; 1260 struct snd_kcontrol *kctl; 1261 1262 if (! snd_ac97_valid_reg(ac97, reg)) 1263 return 0; 1264 if (hi_max) { 1265 /* invert */ 1266 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1267 tmp.index = ac97->num; 1268 kctl = snd_ctl_new1(&tmp, ac97); 1269 } else { 1270 /* invert */ 1271 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1272 tmp.index = ac97->num; 1273 kctl = snd_ctl_new1(&tmp, ac97); 1274 } 1275 if (!kctl) 1276 return -ENOMEM; 1277 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1278 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1279 else 1280 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1281 err = snd_ctl_add(card, kctl); 1282 if (err < 0) 1283 return err; 1284 snd_ac97_write_cache( 1285 ac97, reg, 1286 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO) 1287 | lo_max | (hi_max << 8) 1288 ); 1289 return 0; 1290 } 1291 1292 /* 1293 * create a mute-switch and a volume for normal stereo/mono controls 1294 */ 1295 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1296 int reg, int check_stereo, int check_amix, 1297 struct snd_ac97 *ac97) 1298 { 1299 int err; 1300 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 1301 unsigned char lo_max, hi_max; 1302 1303 if (! snd_ac97_valid_reg(ac97, reg)) 1304 return 0; 1305 1306 if (snd_ac97_try_bit(ac97, reg, 15)) { 1307 sprintf(name, "%s Switch", pfx); 1308 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, 1309 check_stereo, check_amix, 1310 ac97)) < 0) 1311 return err; 1312 } 1313 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1314 if (lo_max) { 1315 sprintf(name, "%s Volume", pfx); 1316 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1317 return err; 1318 } 1319 return 0; 1320 } 1321 1322 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1323 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1324 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1325 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1326 1327 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1328 1329 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1330 { 1331 struct snd_card *card = ac97->bus->card; 1332 struct snd_kcontrol *kctl; 1333 int err; 1334 unsigned int idx; 1335 unsigned char max; 1336 1337 /* build master controls */ 1338 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1339 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1340 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1341 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1342 AC97_MASTER, 0, ac97); 1343 else 1344 err = snd_ac97_cmix_new(card, "Master Playback", 1345 AC97_MASTER, 0, ac97); 1346 if (err < 0) 1347 return err; 1348 } 1349 1350 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO; 1351 1352 /* build center controls */ 1353 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1354 && !(ac97->flags & AC97_AD_MULTI)) { 1355 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1356 return err; 1357 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1358 return err; 1359 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1360 kctl->private_value &= ~(0xff << 16); 1361 kctl->private_value |= (int)max << 16; 1362 set_tlv_db_scale(kctl, find_db_scale(max)); 1363 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1364 } 1365 1366 /* build LFE controls */ 1367 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1368 && !(ac97->flags & AC97_AD_MULTI)) { 1369 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1370 return err; 1371 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1372 return err; 1373 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1374 kctl->private_value &= ~(0xff << 16); 1375 kctl->private_value |= (int)max << 16; 1376 set_tlv_db_scale(kctl, find_db_scale(max)); 1377 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1378 } 1379 1380 /* build surround controls */ 1381 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1382 && !(ac97->flags & AC97_AD_MULTI)) { 1383 /* Surround Master (0x38) is with stereo mutes */ 1384 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1385 AC97_SURROUND_MASTER, 1, 0, 1386 ac97)) < 0) 1387 return err; 1388 } 1389 1390 /* build headphone controls */ 1391 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1392 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", 1393 AC97_HEADPHONE, 0, ac97)) < 0) 1394 return err; 1395 } 1396 1397 /* build master mono controls */ 1398 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1399 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", 1400 AC97_MASTER_MONO, 0, ac97)) < 0) 1401 return err; 1402 } 1403 1404 /* build master tone controls */ 1405 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1406 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1407 for (idx = 0; idx < 2; idx++) { 1408 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1409 return err; 1410 if (ac97->id == AC97_ID_YMF743 || 1411 ac97->id == AC97_ID_YMF753) { 1412 kctl->private_value &= ~(0xff << 16); 1413 kctl->private_value |= 7 << 16; 1414 } 1415 } 1416 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1417 } 1418 } 1419 1420 /* build Beep controls */ 1421 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1422 ((ac97->flags & AC97_HAS_PC_BEEP) || 1423 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1424 for (idx = 0; idx < 2; idx++) 1425 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1426 return err; 1427 set_tlv_db_scale(kctl, db_scale_4bit); 1428 snd_ac97_write_cache( 1429 ac97, 1430 AC97_PC_BEEP, 1431 (snd_ac97_read(ac97, AC97_PC_BEEP) 1432 | AC97_MUTE_MASK_MONO | 0x001e) 1433 ); 1434 } 1435 1436 /* build Phone controls */ 1437 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1438 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1439 if ((err = snd_ac97_cmix_new(card, "Phone Playback", 1440 AC97_PHONE, 1, ac97)) < 0) 1441 return err; 1442 } 1443 } 1444 1445 /* build MIC controls */ 1446 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1447 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1448 if ((err = snd_ac97_cmix_new(card, "Mic Playback", 1449 AC97_MIC, 1, ac97)) < 0) 1450 return err; 1451 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1452 return err; 1453 } 1454 } 1455 1456 /* build Line controls */ 1457 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1458 if ((err = snd_ac97_cmix_new(card, "Line Playback", 1459 AC97_LINE, 1, ac97)) < 0) 1460 return err; 1461 } 1462 1463 /* build CD controls */ 1464 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1465 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1466 if ((err = snd_ac97_cmix_new(card, "CD Playback", 1467 AC97_CD, 1, ac97)) < 0) 1468 return err; 1469 } 1470 } 1471 1472 /* build Video controls */ 1473 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1474 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1475 if ((err = snd_ac97_cmix_new(card, "Video Playback", 1476 AC97_VIDEO, 1, ac97)) < 0) 1477 return err; 1478 } 1479 } 1480 1481 /* build Aux controls */ 1482 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1483 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1484 if ((err = snd_ac97_cmix_new(card, "Aux Playback", 1485 AC97_AUX, 1, ac97)) < 0) 1486 return err; 1487 } 1488 } 1489 1490 /* build PCM controls */ 1491 if (ac97->flags & AC97_AD_MULTI) { 1492 unsigned short init_val; 1493 if (ac97->flags & AC97_STEREO_MUTES) 1494 init_val = 0x9f9f; 1495 else 1496 init_val = 0x9f1f; 1497 for (idx = 0; idx < 2; idx++) 1498 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1499 return err; 1500 set_tlv_db_scale(kctl, db_scale_5bit); 1501 ac97->spec.ad18xx.pcmreg[0] = init_val; 1502 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1503 for (idx = 0; idx < 2; idx++) 1504 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1505 return err; 1506 set_tlv_db_scale(kctl, db_scale_5bit); 1507 ac97->spec.ad18xx.pcmreg[1] = init_val; 1508 } 1509 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1510 for (idx = 0; idx < 2; idx++) 1511 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1512 return err; 1513 set_tlv_db_scale(kctl, db_scale_5bit); 1514 for (idx = 0; idx < 2; idx++) 1515 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1516 return err; 1517 set_tlv_db_scale(kctl, db_scale_5bit); 1518 ac97->spec.ad18xx.pcmreg[2] = init_val; 1519 } 1520 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1521 } else { 1522 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1523 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1524 err = snd_ac97_cmute_new(card, 1525 "PCM Playback Switch", 1526 AC97_PCM, 0, ac97); 1527 else 1528 err = snd_ac97_cmix_new(card, "PCM Playback", 1529 AC97_PCM, 0, ac97); 1530 if (err < 0) 1531 return err; 1532 } 1533 } 1534 1535 /* build Capture controls */ 1536 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1537 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1538 return err; 1539 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1540 err = snd_ac97_cmute_new(card, "Capture Switch", 1541 AC97_REC_GAIN, 0, ac97); 1542 if (err < 0) 1543 return err; 1544 } 1545 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1546 return err; 1547 set_tlv_db_scale(kctl, db_scale_rec_gain); 1548 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1549 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1550 } 1551 /* build MIC Capture controls */ 1552 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1553 for (idx = 0; idx < 2; idx++) 1554 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1555 return err; 1556 set_tlv_db_scale(kctl, db_scale_rec_gain); 1557 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1558 } 1559 1560 /* build PCM out path & mute control */ 1561 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1562 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1563 return err; 1564 } 1565 1566 /* build Simulated Stereo Enhancement control */ 1567 if (ac97->caps & AC97_BC_SIM_STEREO) { 1568 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1569 return err; 1570 } 1571 1572 /* build 3D Stereo Enhancement control */ 1573 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1574 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1575 return err; 1576 } 1577 1578 /* build Loudness control */ 1579 if (ac97->caps & AC97_BC_LOUDNESS) { 1580 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1581 return err; 1582 } 1583 1584 /* build Mono output select control */ 1585 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1586 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1587 return err; 1588 } 1589 1590 /* build Mic select control */ 1591 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1592 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1593 return err; 1594 } 1595 1596 /* build ADC/DAC loopback control */ 1597 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1598 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1599 return err; 1600 } 1601 1602 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1603 1604 /* build 3D controls */ 1605 if (ac97->build_ops->build_3d) { 1606 ac97->build_ops->build_3d(ac97); 1607 } else { 1608 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1609 unsigned short val; 1610 val = 0x0707; 1611 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1612 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1613 val = val == 0x0606; 1614 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1615 return err; 1616 if (val) 1617 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1618 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1619 return err; 1620 if (val) 1621 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1622 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1623 } 1624 } 1625 1626 /* build S/PDIF controls */ 1627 1628 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1629 if (ac97->subsystem_vendor == 0x1043 && 1630 ac97->subsystem_device == 0x810f) 1631 ac97->ext_id |= AC97_EI_SPDIF; 1632 1633 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1634 if (ac97->build_ops->build_spdif) { 1635 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1636 return err; 1637 } else { 1638 for (idx = 0; idx < 5; idx++) 1639 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1640 return err; 1641 if (ac97->build_ops->build_post_spdif) { 1642 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1643 return err; 1644 } 1645 /* set default PCM S/PDIF params */ 1646 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1647 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1648 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1649 } 1650 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1651 } 1652 1653 /* build chip specific controls */ 1654 if (ac97->build_ops->build_specific) 1655 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1656 return err; 1657 1658 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1659 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1660 if (! kctl) 1661 return -ENOMEM; 1662 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1663 set_inv_eapd(ac97, kctl); 1664 if ((err = snd_ctl_add(card, kctl)) < 0) 1665 return err; 1666 } 1667 1668 return 0; 1669 } 1670 1671 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1672 { 1673 int err, idx; 1674 1675 /* 1676 printk(KERN_DEBUG "AC97_GPIO_CFG = %x\n", 1677 snd_ac97_read(ac97,AC97_GPIO_CFG)); 1678 */ 1679 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1680 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1681 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1682 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1683 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1684 1685 /* build modem switches */ 1686 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1687 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1688 return err; 1689 1690 /* build chip specific controls */ 1691 if (ac97->build_ops->build_specific) 1692 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1693 return err; 1694 1695 return 0; 1696 } 1697 1698 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1699 { 1700 unsigned short val; 1701 unsigned int tmp; 1702 1703 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1704 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1705 if (shadow_reg) 1706 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1707 val = snd_ac97_read(ac97, reg); 1708 return val == (tmp & 0xffff); 1709 } 1710 1711 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1712 { 1713 unsigned int result = 0; 1714 unsigned short saved; 1715 1716 if (ac97->bus->no_vra) { 1717 *r_result = SNDRV_PCM_RATE_48000; 1718 if ((ac97->flags & AC97_DOUBLE_RATE) && 1719 reg == AC97_PCM_FRONT_DAC_RATE) 1720 *r_result |= SNDRV_PCM_RATE_96000; 1721 return; 1722 } 1723 1724 saved = snd_ac97_read(ac97, reg); 1725 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1726 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1727 AC97_EA_DRA, 0); 1728 /* test a non-standard rate */ 1729 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1730 result |= SNDRV_PCM_RATE_CONTINUOUS; 1731 /* let's try to obtain standard rates */ 1732 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1733 result |= SNDRV_PCM_RATE_8000; 1734 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1735 result |= SNDRV_PCM_RATE_11025; 1736 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1737 result |= SNDRV_PCM_RATE_16000; 1738 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1739 result |= SNDRV_PCM_RATE_22050; 1740 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1741 result |= SNDRV_PCM_RATE_32000; 1742 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1743 result |= SNDRV_PCM_RATE_44100; 1744 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1745 result |= SNDRV_PCM_RATE_48000; 1746 if ((ac97->flags & AC97_DOUBLE_RATE) && 1747 reg == AC97_PCM_FRONT_DAC_RATE) { 1748 /* test standard double rates */ 1749 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1750 AC97_EA_DRA, AC97_EA_DRA); 1751 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1752 result |= SNDRV_PCM_RATE_64000; 1753 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1754 result |= SNDRV_PCM_RATE_88200; 1755 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1756 result |= SNDRV_PCM_RATE_96000; 1757 /* some codecs don't support variable double rates */ 1758 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1759 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1760 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1761 AC97_EA_DRA, 0); 1762 } 1763 /* restore the default value */ 1764 snd_ac97_write_cache(ac97, reg, saved); 1765 if (shadow_reg) 1766 snd_ac97_write_cache(ac97, shadow_reg, saved); 1767 *r_result = result; 1768 } 1769 1770 /* check AC97_SPDIF register to accept which sample rates */ 1771 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1772 { 1773 unsigned int result = 0; 1774 int i; 1775 static unsigned short ctl_bits[] = { 1776 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1777 }; 1778 static unsigned int rate_bits[] = { 1779 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1780 }; 1781 1782 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1783 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1784 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1785 result |= rate_bits[i]; 1786 } 1787 return result; 1788 } 1789 1790 /* look for the codec id table matching with the given id */ 1791 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1792 unsigned int id) 1793 { 1794 const struct ac97_codec_id *pid; 1795 1796 for (pid = table; pid->id; pid++) 1797 if (pid->id == (id & pid->mask)) 1798 return pid; 1799 return NULL; 1800 } 1801 1802 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1803 { 1804 const struct ac97_codec_id *pid; 1805 1806 sprintf(name, "0x%x %c%c%c", id, 1807 printable(id >> 24), 1808 printable(id >> 16), 1809 printable(id >> 8)); 1810 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1811 if (! pid) 1812 return; 1813 1814 strcpy(name, pid->name); 1815 if (ac97 && pid->patch) { 1816 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1817 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1818 pid->patch(ac97); 1819 } 1820 1821 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1822 if (pid) { 1823 strcat(name, " "); 1824 strcat(name, pid->name); 1825 if (pid->mask != 0xffffffff) 1826 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1827 if (ac97 && pid->patch) { 1828 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1829 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1830 pid->patch(ac97); 1831 } 1832 } else 1833 sprintf(name + strlen(name), " id %x", id & 0xff); 1834 } 1835 1836 /** 1837 * snd_ac97_get_short_name - retrieve codec name 1838 * @ac97: the codec instance 1839 * 1840 * Return: The short identifying name of the codec. 1841 */ 1842 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1843 { 1844 const struct ac97_codec_id *pid; 1845 1846 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1847 if (pid->id == (ac97->id & pid->mask)) 1848 return pid->name; 1849 return "unknown codec"; 1850 } 1851 1852 EXPORT_SYMBOL(snd_ac97_get_short_name); 1853 1854 /* wait for a while until registers are accessible after RESET 1855 * return 0 if ok, negative not ready 1856 */ 1857 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1858 { 1859 unsigned long end_time; 1860 unsigned short val; 1861 1862 end_time = jiffies + timeout; 1863 do { 1864 1865 /* use preliminary reads to settle the communication */ 1866 snd_ac97_read(ac97, AC97_RESET); 1867 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1868 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1869 /* modem? */ 1870 if (with_modem) { 1871 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1872 if (val != 0xffff && (val & 1) != 0) 1873 return 0; 1874 } 1875 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1876 /* probably only Xbox issue - all registers are read as zero */ 1877 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1878 if (val != 0 && val != 0xffff) 1879 return 0; 1880 } else { 1881 /* because the PCM or MASTER volume registers can be modified, 1882 * the REC_GAIN register is used for tests 1883 */ 1884 /* test if we can write to the record gain volume register */ 1885 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1886 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1887 return 0; 1888 } 1889 schedule_timeout_uninterruptible(1); 1890 } while (time_after_eq(end_time, jiffies)); 1891 return -ENODEV; 1892 } 1893 1894 /** 1895 * snd_ac97_bus - create an AC97 bus component 1896 * @card: the card instance 1897 * @num: the bus number 1898 * @ops: the bus callbacks table 1899 * @private_data: private data pointer for the new instance 1900 * @rbus: the pointer to store the new AC97 bus instance. 1901 * 1902 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1903 * allocated and initialized. 1904 * 1905 * The ops table must include valid callbacks (at least read and 1906 * write). The other callbacks, wait and reset, are not mandatory. 1907 * 1908 * The clock is set to 48000. If another clock is needed, set 1909 * (*rbus)->clock manually. 1910 * 1911 * The AC97 bus instance is registered as a low-level device, so you don't 1912 * have to release it manually. 1913 * 1914 * Return: Zero if successful, or a negative error code on failure. 1915 */ 1916 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1917 void *private_data, struct snd_ac97_bus **rbus) 1918 { 1919 int err; 1920 struct snd_ac97_bus *bus; 1921 static struct snd_device_ops dev_ops = { 1922 .dev_free = snd_ac97_bus_dev_free, 1923 }; 1924 1925 if (snd_BUG_ON(!card)) 1926 return -EINVAL; 1927 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1928 if (bus == NULL) 1929 return -ENOMEM; 1930 bus->card = card; 1931 bus->num = num; 1932 bus->ops = ops; 1933 bus->private_data = private_data; 1934 bus->clock = 48000; 1935 spin_lock_init(&bus->bus_lock); 1936 snd_ac97_bus_proc_init(bus); 1937 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1938 snd_ac97_bus_free(bus); 1939 return err; 1940 } 1941 if (rbus) 1942 *rbus = bus; 1943 return 0; 1944 } 1945 1946 EXPORT_SYMBOL(snd_ac97_bus); 1947 1948 /* stop no dev release warning */ 1949 static void ac97_device_release(struct device * dev) 1950 { 1951 } 1952 1953 /* register ac97 codec to bus */ 1954 static int snd_ac97_dev_register(struct snd_device *device) 1955 { 1956 struct snd_ac97 *ac97 = device->device_data; 1957 int err; 1958 1959 ac97->dev.bus = &ac97_bus_type; 1960 ac97->dev.parent = ac97->bus->card->dev; 1961 ac97->dev.release = ac97_device_release; 1962 dev_set_name(&ac97->dev, "%d-%d:%s", 1963 ac97->bus->card->number, ac97->num, 1964 snd_ac97_get_short_name(ac97)); 1965 if ((err = device_register(&ac97->dev)) < 0) { 1966 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1967 ac97->dev.bus = NULL; 1968 return err; 1969 } 1970 return 0; 1971 } 1972 1973 /* disconnect ac97 codec */ 1974 static int snd_ac97_dev_disconnect(struct snd_device *device) 1975 { 1976 struct snd_ac97 *ac97 = device->device_data; 1977 if (ac97->dev.bus) 1978 device_unregister(&ac97->dev); 1979 return 0; 1980 } 1981 1982 /* build_ops to do nothing */ 1983 static const struct snd_ac97_build_ops null_build_ops; 1984 1985 #ifdef CONFIG_SND_AC97_POWER_SAVE 1986 static void do_update_power(struct work_struct *work) 1987 { 1988 update_power_regs( 1989 container_of(work, struct snd_ac97, power_work.work)); 1990 } 1991 #endif 1992 1993 /** 1994 * snd_ac97_mixer - create an Codec97 component 1995 * @bus: the AC97 bus which codec is attached to 1996 * @template: the template of ac97, including index, callbacks and 1997 * the private data. 1998 * @rac97: the pointer to store the new ac97 instance. 1999 * 2000 * Creates an Codec97 component. An struct snd_ac97 instance is newly 2001 * allocated and initialized from the template. The codec 2002 * is then initialized by the standard procedure. 2003 * 2004 * The template must include the codec number (num) and address (addr), 2005 * and the private data (private_data). 2006 * 2007 * The ac97 instance is registered as a low-level device, so you don't 2008 * have to release it manually. 2009 * 2010 * Return: Zero if successful, or a negative error code on failure. 2011 */ 2012 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 2013 { 2014 int err; 2015 struct snd_ac97 *ac97; 2016 struct snd_card *card; 2017 char name[64]; 2018 unsigned long end_time; 2019 unsigned int reg; 2020 const struct ac97_codec_id *pid; 2021 static struct snd_device_ops ops = { 2022 .dev_free = snd_ac97_dev_free, 2023 .dev_register = snd_ac97_dev_register, 2024 .dev_disconnect = snd_ac97_dev_disconnect, 2025 }; 2026 2027 if (rac97) 2028 *rac97 = NULL; 2029 if (snd_BUG_ON(!bus || !template)) 2030 return -EINVAL; 2031 if (snd_BUG_ON(template->num >= 4)) 2032 return -EINVAL; 2033 if (bus->codec[template->num]) 2034 return -EBUSY; 2035 2036 card = bus->card; 2037 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 2038 if (ac97 == NULL) 2039 return -ENOMEM; 2040 ac97->private_data = template->private_data; 2041 ac97->private_free = template->private_free; 2042 ac97->bus = bus; 2043 ac97->pci = template->pci; 2044 ac97->num = template->num; 2045 ac97->addr = template->addr; 2046 ac97->scaps = template->scaps; 2047 ac97->res_table = template->res_table; 2048 bus->codec[ac97->num] = ac97; 2049 mutex_init(&ac97->reg_mutex); 2050 mutex_init(&ac97->page_mutex); 2051 #ifdef CONFIG_SND_AC97_POWER_SAVE 2052 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2053 #endif 2054 2055 #ifdef CONFIG_PCI 2056 if (ac97->pci) { 2057 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2058 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2059 } 2060 #endif 2061 if (bus->ops->reset) { 2062 bus->ops->reset(ac97); 2063 goto __access_ok; 2064 } 2065 2066 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2067 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2068 if (ac97->id && ac97->id != (unsigned int)-1) { 2069 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2070 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2071 goto __access_ok; 2072 } 2073 2074 /* reset to defaults */ 2075 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2076 snd_ac97_write(ac97, AC97_RESET, 0); 2077 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2078 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2079 if (bus->ops->wait) 2080 bus->ops->wait(ac97); 2081 else { 2082 udelay(50); 2083 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2084 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2085 else { 2086 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2087 if (err < 0) 2088 err = ac97_reset_wait(ac97, 2089 msecs_to_jiffies(500), 1); 2090 } 2091 if (err < 0) { 2092 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 2093 /* proceed anyway - it's often non-critical */ 2094 } 2095 } 2096 __access_ok: 2097 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2098 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2099 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2100 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2101 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 2102 snd_ac97_free(ac97); 2103 return -EIO; 2104 } 2105 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2106 if (pid) 2107 ac97->flags |= pid->flags; 2108 2109 /* test for AC'97 */ 2110 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2111 /* test if we can write to the record gain volume register */ 2112 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2113 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 2114 ac97->scaps |= AC97_SCAP_AUDIO; 2115 } 2116 if (ac97->scaps & AC97_SCAP_AUDIO) { 2117 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2118 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2119 if (ac97->ext_id == 0xffff) /* invalid combination */ 2120 ac97->ext_id = 0; 2121 } 2122 2123 /* test for MC'97 */ 2124 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2125 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2126 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2127 ac97->ext_mid = 0; 2128 if (ac97->ext_mid & 1) 2129 ac97->scaps |= AC97_SCAP_MODEM; 2130 } 2131 2132 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2133 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2134 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 2135 snd_ac97_free(ac97); 2136 return -EACCES; 2137 } 2138 2139 if (bus->ops->reset) // FIXME: always skipping? 2140 goto __ready_ok; 2141 2142 /* FIXME: add powerdown control */ 2143 if (ac97_is_audio(ac97)) { 2144 /* nothing should be in powerdown mode */ 2145 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2146 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2147 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2148 udelay(100); 2149 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2150 } 2151 /* nothing should be in powerdown mode */ 2152 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2153 end_time = jiffies + msecs_to_jiffies(5000); 2154 do { 2155 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2156 goto __ready_ok; 2157 schedule_timeout_uninterruptible(1); 2158 } while (time_after_eq(end_time, jiffies)); 2159 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 2160 } 2161 2162 /* FIXME: add powerdown control */ 2163 if (ac97_is_modem(ac97)) { 2164 unsigned char tmp; 2165 2166 /* nothing should be in powerdown mode */ 2167 /* note: it's important to set the rate at first */ 2168 tmp = AC97_MEA_GPIO; 2169 if (ac97->ext_mid & AC97_MEI_LINE1) { 2170 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2171 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2172 } 2173 if (ac97->ext_mid & AC97_MEI_LINE2) { 2174 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2175 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2176 } 2177 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2178 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2179 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2180 } 2181 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2182 udelay(100); 2183 /* nothing should be in powerdown mode */ 2184 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2185 end_time = jiffies + msecs_to_jiffies(100); 2186 do { 2187 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2188 goto __ready_ok; 2189 schedule_timeout_uninterruptible(1); 2190 } while (time_after_eq(end_time, jiffies)); 2191 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2192 } 2193 2194 __ready_ok: 2195 if (ac97_is_audio(ac97)) 2196 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2197 else 2198 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2199 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2200 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2201 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2202 if (! bus->no_vra) 2203 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2204 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2205 } 2206 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2207 /* Intel controllers require double rate data to be put in 2208 * slots 7+8, so let's hope the codec supports it. */ 2209 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2210 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2211 ac97->flags |= AC97_DOUBLE_RATE; 2212 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2213 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2214 } 2215 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2216 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2217 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2218 } else { 2219 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2220 if (ac97->flags & AC97_DOUBLE_RATE) 2221 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2222 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2223 } 2224 if (ac97->ext_id & AC97_EI_SPDIF) { 2225 /* codec specific code (patch) should override these values */ 2226 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2227 } 2228 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2229 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2230 } else { 2231 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2232 } 2233 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2234 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2235 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2236 } 2237 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2238 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2239 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2240 } 2241 /* additional initializations */ 2242 if (bus->ops->init) 2243 bus->ops->init(ac97); 2244 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2245 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2246 if (! ac97->build_ops) 2247 ac97->build_ops = &null_build_ops; 2248 2249 if (ac97_is_audio(ac97)) { 2250 char comp[16]; 2251 if (card->mixername[0] == '\0') { 2252 strcpy(card->mixername, name); 2253 } else { 2254 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2255 strcat(card->mixername, ","); 2256 strcat(card->mixername, name); 2257 } 2258 } 2259 sprintf(comp, "AC97a:%08x", ac97->id); 2260 if ((err = snd_component_add(card, comp)) < 0) { 2261 snd_ac97_free(ac97); 2262 return err; 2263 } 2264 if (snd_ac97_mixer_build(ac97) < 0) { 2265 snd_ac97_free(ac97); 2266 return -ENOMEM; 2267 } 2268 } 2269 if (ac97_is_modem(ac97)) { 2270 char comp[16]; 2271 if (card->mixername[0] == '\0') { 2272 strcpy(card->mixername, name); 2273 } else { 2274 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2275 strcat(card->mixername, ","); 2276 strcat(card->mixername, name); 2277 } 2278 } 2279 sprintf(comp, "AC97m:%08x", ac97->id); 2280 if ((err = snd_component_add(card, comp)) < 0) { 2281 snd_ac97_free(ac97); 2282 return err; 2283 } 2284 if (snd_ac97_modem_build(card, ac97) < 0) { 2285 snd_ac97_free(ac97); 2286 return -ENOMEM; 2287 } 2288 } 2289 if (ac97_is_audio(ac97)) 2290 update_power_regs(ac97); 2291 snd_ac97_proc_init(ac97); 2292 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2293 snd_ac97_free(ac97); 2294 return err; 2295 } 2296 *rac97 = ac97; 2297 return 0; 2298 } 2299 2300 EXPORT_SYMBOL(snd_ac97_mixer); 2301 2302 /* 2303 * Power down the chip. 2304 * 2305 * MASTER and HEADPHONE registers are muted but the register cache values 2306 * are not changed, so that the values can be restored in snd_ac97_resume(). 2307 */ 2308 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2309 { 2310 unsigned short power; 2311 2312 if (ac97_is_audio(ac97)) { 2313 /* some codecs have stereo mute bits */ 2314 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2315 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2316 } 2317 2318 /* surround, CLFE, mic powerdown */ 2319 power = ac97->regs[AC97_EXTENDED_STATUS]; 2320 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2321 power |= AC97_EA_PRJ; 2322 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2323 power |= AC97_EA_PRI | AC97_EA_PRK; 2324 power |= AC97_EA_PRL; 2325 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2326 2327 /* powerdown external amplifier */ 2328 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2329 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2330 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2331 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2332 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2333 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2334 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2335 udelay(100); 2336 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ 2337 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2338 if (ac97_is_power_save_mode(ac97)) { 2339 power |= AC97_PD_PR3; /* Analog Mixer powerdown */ 2340 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2341 udelay(100); 2342 /* AC-link powerdown, internal Clk disable */ 2343 /* FIXME: this may cause click noises on some boards */ 2344 power |= AC97_PD_PR4 | AC97_PD_PR5; 2345 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2346 } 2347 } 2348 2349 2350 struct ac97_power_reg { 2351 unsigned short reg; 2352 unsigned short power_reg; 2353 unsigned short mask; 2354 }; 2355 2356 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2357 2358 static struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2359 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2360 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2361 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2362 AC97_EA_PRI | AC97_EA_PRK}, 2363 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2364 AC97_EA_PRJ}, 2365 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2366 AC97_EA_PRL}, 2367 }; 2368 2369 #ifdef CONFIG_SND_AC97_POWER_SAVE 2370 /** 2371 * snd_ac97_update_power - update the powerdown register 2372 * @ac97: the codec instance 2373 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2374 * @powerup: non-zero when power up the part 2375 * 2376 * Update the AC97 powerdown register bits of the given part. 2377 * 2378 * Return: Zero. 2379 */ 2380 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2381 { 2382 int i; 2383 2384 if (! ac97) 2385 return 0; 2386 2387 if (reg) { 2388 /* SPDIF requires DAC power, too */ 2389 if (reg == AC97_SPDIF) 2390 reg = AC97_PCM_FRONT_DAC_RATE; 2391 for (i = 0; i < PWIDX_SIZE; i++) { 2392 if (power_regs[i].reg == reg) { 2393 if (powerup) 2394 ac97->power_up |= (1 << i); 2395 else 2396 ac97->power_up &= ~(1 << i); 2397 break; 2398 } 2399 } 2400 } 2401 2402 if (ac97_is_power_save_mode(ac97) && !powerup) 2403 /* adjust power-down bits after two seconds delay 2404 * (for avoiding loud click noises for many (OSS) apps 2405 * that open/close frequently) 2406 */ 2407 schedule_delayed_work(&ac97->power_work, 2408 msecs_to_jiffies(power_save * 1000)); 2409 else { 2410 cancel_delayed_work(&ac97->power_work); 2411 update_power_regs(ac97); 2412 } 2413 2414 return 0; 2415 } 2416 2417 EXPORT_SYMBOL(snd_ac97_update_power); 2418 #endif /* CONFIG_SND_AC97_POWER_SAVE */ 2419 2420 static void update_power_regs(struct snd_ac97 *ac97) 2421 { 2422 unsigned int power_up, bits; 2423 int i; 2424 2425 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2426 power_up |= (1 << PWIDX_MIC); 2427 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2428 power_up |= (1 << PWIDX_SURR); 2429 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2430 power_up |= (1 << PWIDX_CLFE); 2431 #ifdef CONFIG_SND_AC97_POWER_SAVE 2432 if (ac97_is_power_save_mode(ac97)) 2433 power_up = ac97->power_up; 2434 #endif 2435 if (power_up) { 2436 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2437 /* needs power-up analog mix and vref */ 2438 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2439 AC97_PD_PR3, 0); 2440 msleep(1); 2441 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2442 AC97_PD_PR2, 0); 2443 } 2444 } 2445 for (i = 0; i < PWIDX_SIZE; i++) { 2446 if (power_up & (1 << i)) 2447 bits = 0; 2448 else 2449 bits = power_regs[i].mask; 2450 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2451 power_regs[i].mask, bits); 2452 } 2453 if (! power_up) { 2454 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2455 /* power down analog mix and vref */ 2456 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2457 AC97_PD_PR2, AC97_PD_PR2); 2458 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2459 AC97_PD_PR3, AC97_PD_PR3); 2460 } 2461 } 2462 } 2463 2464 2465 #ifdef CONFIG_PM 2466 /** 2467 * snd_ac97_suspend - General suspend function for AC97 codec 2468 * @ac97: the ac97 instance 2469 * 2470 * Suspends the codec, power down the chip. 2471 */ 2472 void snd_ac97_suspend(struct snd_ac97 *ac97) 2473 { 2474 if (! ac97) 2475 return; 2476 if (ac97->build_ops->suspend) 2477 ac97->build_ops->suspend(ac97); 2478 #ifdef CONFIG_SND_AC97_POWER_SAVE 2479 cancel_delayed_work_sync(&ac97->power_work); 2480 #endif 2481 snd_ac97_powerdown(ac97); 2482 } 2483 2484 EXPORT_SYMBOL(snd_ac97_suspend); 2485 2486 /* 2487 * restore ac97 status 2488 */ 2489 static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2490 { 2491 int i; 2492 2493 for (i = 2; i < 0x7c ; i += 2) { 2494 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2495 continue; 2496 /* restore only accessible registers 2497 * some chip (e.g. nm256) may hang up when unsupported registers 2498 * are accessed..! 2499 */ 2500 if (test_bit(i, ac97->reg_accessed)) { 2501 snd_ac97_write(ac97, i, ac97->regs[i]); 2502 snd_ac97_read(ac97, i); 2503 } 2504 } 2505 } 2506 2507 /* 2508 * restore IEC958 status 2509 */ 2510 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2511 { 2512 if (ac97->ext_id & AC97_EI_SPDIF) { 2513 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2514 /* reset spdif status */ 2515 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2516 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2517 if (ac97->flags & AC97_CS_SPDIF) 2518 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2519 else 2520 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2521 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2522 } 2523 } 2524 } 2525 2526 /** 2527 * snd_ac97_resume - General resume function for AC97 codec 2528 * @ac97: the ac97 instance 2529 * 2530 * Do the standard resume procedure, power up and restoring the 2531 * old register values. 2532 */ 2533 void snd_ac97_resume(struct snd_ac97 *ac97) 2534 { 2535 unsigned long end_time; 2536 2537 if (! ac97) 2538 return; 2539 2540 if (ac97->bus->ops->reset) { 2541 ac97->bus->ops->reset(ac97); 2542 goto __reset_ready; 2543 } 2544 2545 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2546 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2547 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2548 snd_ac97_write(ac97, AC97_RESET, 0); 2549 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2550 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2551 udelay(100); 2552 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2553 } 2554 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2555 2556 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2557 if (ac97_is_audio(ac97)) { 2558 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2559 end_time = jiffies + msecs_to_jiffies(100); 2560 do { 2561 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2562 break; 2563 schedule_timeout_uninterruptible(1); 2564 } while (time_after_eq(end_time, jiffies)); 2565 /* FIXME: extra delay */ 2566 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO); 2567 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO) 2568 msleep(250); 2569 } else { 2570 end_time = jiffies + msecs_to_jiffies(100); 2571 do { 2572 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2573 if (val != 0xffff && (val & 1) != 0) 2574 break; 2575 schedule_timeout_uninterruptible(1); 2576 } while (time_after_eq(end_time, jiffies)); 2577 } 2578 __reset_ready: 2579 2580 if (ac97->bus->ops->init) 2581 ac97->bus->ops->init(ac97); 2582 2583 if (ac97->build_ops->resume) 2584 ac97->build_ops->resume(ac97); 2585 else { 2586 snd_ac97_restore_status(ac97); 2587 snd_ac97_restore_iec958(ac97); 2588 } 2589 } 2590 2591 EXPORT_SYMBOL(snd_ac97_resume); 2592 #endif 2593 2594 2595 /* 2596 * Hardware tuning 2597 */ 2598 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2599 { 2600 if (suffix) 2601 sprintf(dst, "%s %s", src, suffix); 2602 else 2603 strcpy(dst, src); 2604 } 2605 2606 /* remove the control with the given name and optional suffix */ 2607 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2608 const char *suffix) 2609 { 2610 struct snd_ctl_elem_id id; 2611 memset(&id, 0, sizeof(id)); 2612 set_ctl_name(id.name, name, suffix); 2613 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2614 return snd_ctl_remove_id(ac97->bus->card, &id); 2615 } 2616 2617 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2618 { 2619 struct snd_ctl_elem_id sid; 2620 memset(&sid, 0, sizeof(sid)); 2621 set_ctl_name(sid.name, name, suffix); 2622 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2623 return snd_ctl_find_id(ac97->bus->card, &sid); 2624 } 2625 2626 /* rename the control with the given name and optional suffix */ 2627 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2628 const char *dst, const char *suffix) 2629 { 2630 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2631 if (kctl) { 2632 set_ctl_name(kctl->id.name, dst, suffix); 2633 return 0; 2634 } 2635 return -ENOENT; 2636 } 2637 2638 /* rename both Volume and Switch controls - don't check the return value */ 2639 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2640 const char *dst) 2641 { 2642 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2643 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2644 } 2645 2646 /* swap controls */ 2647 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2648 const char *s2, const char *suffix) 2649 { 2650 struct snd_kcontrol *kctl1, *kctl2; 2651 kctl1 = ctl_find(ac97, s1, suffix); 2652 kctl2 = ctl_find(ac97, s2, suffix); 2653 if (kctl1 && kctl2) { 2654 set_ctl_name(kctl1->id.name, s2, suffix); 2655 set_ctl_name(kctl2->id.name, s1, suffix); 2656 return 0; 2657 } 2658 return -ENOENT; 2659 } 2660 2661 #if 1 2662 /* bind hp and master controls instead of using only hp control */ 2663 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2664 { 2665 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2666 if (err > 0) { 2667 unsigned long priv_saved = kcontrol->private_value; 2668 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2669 snd_ac97_put_volsw(kcontrol, ucontrol); 2670 kcontrol->private_value = priv_saved; 2671 } 2672 return err; 2673 } 2674 2675 /* ac97 tune: bind Master and Headphone controls */ 2676 static int tune_hp_only(struct snd_ac97 *ac97) 2677 { 2678 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2679 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2680 if (! msw || ! mvol) 2681 return -ENOENT; 2682 msw->put = bind_hp_volsw_put; 2683 mvol->put = bind_hp_volsw_put; 2684 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2685 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2686 return 0; 2687 } 2688 2689 #else 2690 /* ac97 tune: use Headphone control as master */ 2691 static int tune_hp_only(struct snd_ac97 *ac97) 2692 { 2693 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2694 return -ENOENT; 2695 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2696 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2697 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2698 return 0; 2699 } 2700 #endif 2701 2702 /* ac97 tune: swap Headphone and Master controls */ 2703 static int tune_swap_hp(struct snd_ac97 *ac97) 2704 { 2705 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2706 return -ENOENT; 2707 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2708 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2709 return 0; 2710 } 2711 2712 /* ac97 tune: swap Surround and Master controls */ 2713 static int tune_swap_surround(struct snd_ac97 *ac97) 2714 { 2715 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2716 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2717 return -ENOENT; 2718 return 0; 2719 } 2720 2721 /* ac97 tune: set up mic sharing for AD codecs */ 2722 static int tune_ad_sharing(struct snd_ac97 *ac97) 2723 { 2724 unsigned short scfg; 2725 if ((ac97->id & 0xffffff00) != 0x41445300) { 2726 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2727 return -EINVAL; 2728 } 2729 /* Turn on OMS bit to route microphone to back panel */ 2730 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2731 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2732 return 0; 2733 } 2734 2735 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2736 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2737 2738 /* ac97 tune: set up ALC jack-select */ 2739 static int tune_alc_jack(struct snd_ac97 *ac97) 2740 { 2741 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2742 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2743 return -EINVAL; 2744 } 2745 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2746 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2747 if (ac97->id == AC97_ID_ALC658D) 2748 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2749 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2750 } 2751 2752 /* ac97 tune: inversed EAPD bit */ 2753 static int tune_inv_eapd(struct snd_ac97 *ac97) 2754 { 2755 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2756 if (! kctl) 2757 return -ENOENT; 2758 set_inv_eapd(ac97, kctl); 2759 return 0; 2760 } 2761 2762 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2763 { 2764 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2765 if (err > 0) { 2766 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2767 int shift = (kcontrol->private_value >> 8) & 0x0f; 2768 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2769 unsigned short mask; 2770 if (shift != rshift) 2771 mask = AC97_MUTE_MASK_STEREO; 2772 else 2773 mask = AC97_MUTE_MASK_MONO; 2774 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2775 (ac97->regs[AC97_MASTER] & mask) == mask ? 2776 AC97_PD_EAPD : 0); 2777 } 2778 return err; 2779 } 2780 2781 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2782 static int tune_mute_led(struct snd_ac97 *ac97) 2783 { 2784 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2785 if (! msw) 2786 return -ENOENT; 2787 msw->put = master_mute_sw_put; 2788 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2789 snd_ac97_update_bits( 2790 ac97, AC97_POWERDOWN, 2791 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2792 ); 2793 ac97->scaps |= AC97_SCAP_EAPD_LED; 2794 return 0; 2795 } 2796 2797 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2798 struct snd_ctl_elem_value *ucontrol) 2799 { 2800 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2801 if (err > 0) { 2802 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2803 int shift = (kcontrol->private_value >> 8) & 0x0f; 2804 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2805 unsigned short mask; 2806 if (shift != rshift) 2807 mask = AC97_MUTE_MASK_STEREO; 2808 else 2809 mask = AC97_MUTE_MASK_MONO; 2810 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2811 (ac97->regs[AC97_MASTER] & mask) == mask ? 2812 AC97_PD_EAPD : 0); 2813 } 2814 return err; 2815 } 2816 2817 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2818 { 2819 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2820 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2821 if (! msw || ! mvol) 2822 return -ENOENT; 2823 msw->put = hp_master_mute_sw_put; 2824 mvol->put = bind_hp_volsw_put; 2825 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2826 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2827 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2828 snd_ac97_update_bits( 2829 ac97, AC97_POWERDOWN, 2830 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2831 ); 2832 return 0; 2833 } 2834 2835 struct quirk_table { 2836 const char *name; 2837 int (*func)(struct snd_ac97 *); 2838 }; 2839 2840 static struct quirk_table applicable_quirks[] = { 2841 { "none", NULL }, 2842 { "hp_only", tune_hp_only }, 2843 { "swap_hp", tune_swap_hp }, 2844 { "swap_surround", tune_swap_surround }, 2845 { "ad_sharing", tune_ad_sharing }, 2846 { "alc_jack", tune_alc_jack }, 2847 { "inv_eapd", tune_inv_eapd }, 2848 { "mute_led", tune_mute_led }, 2849 { "hp_mute_led", tune_hp_mute_led }, 2850 }; 2851 2852 /* apply the quirk with the given type */ 2853 static int apply_quirk(struct snd_ac97 *ac97, int type) 2854 { 2855 if (type <= 0) 2856 return 0; 2857 else if (type >= ARRAY_SIZE(applicable_quirks)) 2858 return -EINVAL; 2859 if (applicable_quirks[type].func) 2860 return applicable_quirks[type].func(ac97); 2861 return 0; 2862 } 2863 2864 /* apply the quirk with the given name */ 2865 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2866 { 2867 int i; 2868 struct quirk_table *q; 2869 2870 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2871 q = &applicable_quirks[i]; 2872 if (q->name && ! strcmp(typestr, q->name)) 2873 return apply_quirk(ac97, i); 2874 } 2875 /* for compatibility, accept the numbers, too */ 2876 if (*typestr >= '0' && *typestr <= '9') 2877 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2878 return -EINVAL; 2879 } 2880 2881 /** 2882 * snd_ac97_tune_hardware - tune up the hardware 2883 * @ac97: the ac97 instance 2884 * @quirk: quirk list 2885 * @override: explicit quirk value (overrides the list if non-NULL) 2886 * 2887 * Do some workaround for each pci device, such as renaming of the 2888 * headphone (true line-out) control as "Master". 2889 * The quirk-list must be terminated with a zero-filled entry. 2890 * 2891 * Return: Zero if successful, or a negative error code on failure. 2892 */ 2893 2894 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) 2895 { 2896 int result; 2897 2898 /* quirk overriden? */ 2899 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2900 result = apply_quirk_str(ac97, override); 2901 if (result < 0) 2902 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2903 return result; 2904 } 2905 2906 if (! quirk) 2907 return -EINVAL; 2908 2909 for (; quirk->subvendor; quirk++) { 2910 if (quirk->subvendor != ac97->subsystem_vendor) 2911 continue; 2912 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2913 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2914 if (quirk->codec_id && quirk->codec_id != ac97->id) 2915 continue; 2916 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2917 result = apply_quirk(ac97, quirk->type); 2918 if (result < 0) 2919 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2920 return result; 2921 } 2922 } 2923 return 0; 2924 } 2925 2926 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2927 2928 /* 2929 * INIT part 2930 */ 2931 2932 static int __init alsa_ac97_init(void) 2933 { 2934 return 0; 2935 } 2936 2937 static void __exit alsa_ac97_exit(void) 2938 { 2939 } 2940 2941 module_init(alsa_ac97_init) 2942 module_exit(alsa_ac97_exit) 2943