1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz> 3 * Universal interface for Audio Codec '97 4 * 5 * For more details look to AC '97 component specification revision 2.2 6 * by Intel Corporation (http://developer.intel.com). 7 * 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 */ 24 25 #include <sound/driver.h> 26 #include <linux/delay.h> 27 #include <linux/init.h> 28 #include <linux/slab.h> 29 #include <linux/pci.h> 30 #include <linux/moduleparam.h> 31 #include <linux/mutex.h> 32 #include <sound/core.h> 33 #include <sound/pcm.h> 34 #include <sound/ac97_codec.h> 35 #include <sound/asoundef.h> 36 #include <sound/initval.h> 37 #include "ac97_local.h" 38 #include "ac97_id.h" 39 #include "ac97_patch.h" 40 41 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 42 MODULE_DESCRIPTION("Universal interface for Audio Codec '97"); 43 MODULE_LICENSE("GPL"); 44 45 static int enable_loopback; 46 47 module_param(enable_loopback, bool, 0444); 48 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control"); 49 50 /* 51 52 */ 53 54 struct ac97_codec_id { 55 unsigned int id; 56 unsigned int mask; 57 const char *name; 58 int (*patch)(struct snd_ac97 *ac97); 59 int (*mpatch)(struct snd_ac97 *ac97); 60 unsigned int flags; 61 }; 62 63 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = { 64 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, 65 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, 66 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, 67 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL }, 68 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, 69 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, 70 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, 71 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, 72 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, 73 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, 74 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, 75 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, 76 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, 77 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, 78 { 0x50534300, 0xffffff00, "Philips", NULL, NULL }, 79 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, 80 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, 81 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, 82 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, 83 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, 84 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, 85 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, 86 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, 87 { 0, 0, NULL, NULL, NULL } 88 }; 89 90 static const struct ac97_codec_id snd_ac97_codec_ids[] = { 91 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, 92 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, 93 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, 94 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, 95 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, 96 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, 97 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, 98 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, 99 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, 100 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, 101 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, 102 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, 103 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, 104 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, 105 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, 106 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, 107 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, 108 { 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL }, 109 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, 110 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, 111 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ 112 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ 113 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ 114 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, 115 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, 116 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ 117 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 118 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 119 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 120 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 121 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 122 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL }, 123 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, 124 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, 125 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, 126 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 127 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 128 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 129 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, 130 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, 131 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, 132 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, 133 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, 134 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, 135 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, 136 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, 137 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, 138 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II 139 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different 140 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 141 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028? 142 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 143 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 144 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 145 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 146 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 147 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 148 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 149 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 150 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 151 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 152 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 153 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix 154 { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL }, 155 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 156 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 157 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 158 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 159 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 160 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 161 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 162 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 163 { 0x56494182, 0xffffffff, "VIA1618", NULL, NULL }, 164 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 165 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL }, 166 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 167 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 168 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 169 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 170 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL}, 171 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 172 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL }, 173 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 174 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 175 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 176 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 177 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 178 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 179 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 180 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 181 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 182 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 183 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 184 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 185 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 186 { 0, 0, NULL, NULL, NULL } 187 }; 188 189 190 /* 191 * I/O routines 192 */ 193 194 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 195 { 196 /* filter some registers for buggy codecs */ 197 switch (ac97->id) { 198 case AC97_ID_AK4540: 199 case AC97_ID_AK4542: 200 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 201 return 1; 202 return 0; 203 case AC97_ID_AD1819: /* AD1819 */ 204 case AC97_ID_AD1881: /* AD1881 */ 205 case AC97_ID_AD1881A: /* AD1881A */ 206 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 207 return 0; 208 return 1; 209 case AC97_ID_AD1885: /* AD1885 */ 210 case AC97_ID_AD1886: /* AD1886 */ 211 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 212 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 213 if (reg == 0x5a) 214 return 1; 215 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 216 return 0; 217 return 1; 218 case AC97_ID_STAC9700: 219 case AC97_ID_STAC9704: 220 case AC97_ID_STAC9705: 221 case AC97_ID_STAC9708: 222 case AC97_ID_STAC9721: 223 case AC97_ID_STAC9744: 224 case AC97_ID_STAC9756: 225 if (reg <= 0x3a || reg >= 0x5a) 226 return 1; 227 return 0; 228 } 229 return 1; 230 } 231 232 /** 233 * snd_ac97_write - write a value on the given register 234 * @ac97: the ac97 instance 235 * @reg: the register to change 236 * @value: the value to set 237 * 238 * Writes a value on the given register. This will invoke the write 239 * callback directly after the register check. 240 * This function doesn't change the register cache unlike 241 * #snd_ca97_write_cache(), so use this only when you don't want to 242 * reflect the change to the suspend/resume state. 243 */ 244 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 245 { 246 if (!snd_ac97_valid_reg(ac97, reg)) 247 return; 248 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 249 /* Fix H/W bug of ALC100/100P */ 250 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 251 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 252 } 253 ac97->bus->ops->write(ac97, reg, value); 254 } 255 256 EXPORT_SYMBOL(snd_ac97_write); 257 258 /** 259 * snd_ac97_read - read a value from the given register 260 * 261 * @ac97: the ac97 instance 262 * @reg: the register to read 263 * 264 * Reads a value from the given register. This will invoke the read 265 * callback directly after the register check. 266 * 267 * Returns the read value. 268 */ 269 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 270 { 271 if (!snd_ac97_valid_reg(ac97, reg)) 272 return 0; 273 return ac97->bus->ops->read(ac97, reg); 274 } 275 276 /* read a register - return the cached value if already read */ 277 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 278 { 279 if (! test_bit(reg, ac97->reg_accessed)) { 280 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 281 // set_bit(reg, ac97->reg_accessed); 282 } 283 return ac97->regs[reg]; 284 } 285 286 EXPORT_SYMBOL(snd_ac97_read); 287 288 /** 289 * snd_ac97_write_cache - write a value on the given register and update the cache 290 * @ac97: the ac97 instance 291 * @reg: the register to change 292 * @value: the value to set 293 * 294 * Writes a value on the given register and updates the register 295 * cache. The cached values are used for the cached-read and the 296 * suspend/resume. 297 */ 298 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 299 { 300 if (!snd_ac97_valid_reg(ac97, reg)) 301 return; 302 mutex_lock(&ac97->reg_mutex); 303 ac97->regs[reg] = value; 304 ac97->bus->ops->write(ac97, reg, value); 305 set_bit(reg, ac97->reg_accessed); 306 mutex_unlock(&ac97->reg_mutex); 307 } 308 309 EXPORT_SYMBOL(snd_ac97_write_cache); 310 311 /** 312 * snd_ac97_update - update the value on the given register 313 * @ac97: the ac97 instance 314 * @reg: the register to change 315 * @value: the value to set 316 * 317 * Compares the value with the register cache and updates the value 318 * only when the value is changed. 319 * 320 * Returns 1 if the value is changed, 0 if no change, or a negative 321 * code on failure. 322 */ 323 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 324 { 325 int change; 326 327 if (!snd_ac97_valid_reg(ac97, reg)) 328 return -EINVAL; 329 mutex_lock(&ac97->reg_mutex); 330 change = ac97->regs[reg] != value; 331 if (change) { 332 ac97->regs[reg] = value; 333 ac97->bus->ops->write(ac97, reg, value); 334 } 335 set_bit(reg, ac97->reg_accessed); 336 mutex_unlock(&ac97->reg_mutex); 337 return change; 338 } 339 340 EXPORT_SYMBOL(snd_ac97_update); 341 342 /** 343 * snd_ac97_update_bits - update the bits on the given register 344 * @ac97: the ac97 instance 345 * @reg: the register to change 346 * @mask: the bit-mask to change 347 * @value: the value to set 348 * 349 * Updates the masked-bits on the given register only when the value 350 * is changed. 351 * 352 * Returns 1 if the bits are changed, 0 if no change, or a negative 353 * code on failure. 354 */ 355 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 356 { 357 int change; 358 359 if (!snd_ac97_valid_reg(ac97, reg)) 360 return -EINVAL; 361 mutex_lock(&ac97->reg_mutex); 362 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 363 mutex_unlock(&ac97->reg_mutex); 364 return change; 365 } 366 367 EXPORT_SYMBOL(snd_ac97_update_bits); 368 369 /* no lock version - see snd_ac97_updat_bits() */ 370 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 371 unsigned short mask, unsigned short value) 372 { 373 int change; 374 unsigned short old, new; 375 376 old = snd_ac97_read_cache(ac97, reg); 377 new = (old & ~mask) | value; 378 change = old != new; 379 if (change) { 380 ac97->regs[reg] = new; 381 ac97->bus->ops->write(ac97, reg, new); 382 } 383 set_bit(reg, ac97->reg_accessed); 384 return change; 385 } 386 387 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 388 { 389 int change; 390 unsigned short old, new, cfg; 391 392 mutex_lock(&ac97->page_mutex); 393 old = ac97->spec.ad18xx.pcmreg[codec]; 394 new = (old & ~mask) | value; 395 change = old != new; 396 if (change) { 397 mutex_lock(&ac97->reg_mutex); 398 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 399 ac97->spec.ad18xx.pcmreg[codec] = new; 400 /* select single codec */ 401 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 402 (cfg & ~0x7000) | 403 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 404 /* update PCM bits */ 405 ac97->bus->ops->write(ac97, AC97_PCM, new); 406 /* select all codecs */ 407 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 408 cfg | 0x7000); 409 mutex_unlock(&ac97->reg_mutex); 410 } 411 mutex_unlock(&ac97->page_mutex); 412 return change; 413 } 414 415 /* 416 * Controls 417 */ 418 419 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 420 { 421 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 422 423 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 424 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 425 uinfo->value.enumerated.items = e->mask; 426 427 if (uinfo->value.enumerated.item > e->mask - 1) 428 uinfo->value.enumerated.item = e->mask - 1; 429 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 430 return 0; 431 } 432 433 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 434 { 435 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 436 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 437 unsigned short val, bitmask; 438 439 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 440 ; 441 val = snd_ac97_read_cache(ac97, e->reg); 442 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 443 if (e->shift_l != e->shift_r) 444 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 445 446 return 0; 447 } 448 449 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 450 { 451 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 452 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 453 unsigned short val; 454 unsigned short mask, bitmask; 455 456 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 457 ; 458 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 459 return -EINVAL; 460 val = ucontrol->value.enumerated.item[0] << e->shift_l; 461 mask = (bitmask - 1) << e->shift_l; 462 if (e->shift_l != e->shift_r) { 463 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 464 return -EINVAL; 465 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 466 mask |= (bitmask - 1) << e->shift_r; 467 } 468 return snd_ac97_update_bits(ac97, e->reg, mask, val); 469 } 470 471 /* save/restore ac97 v2.3 paging */ 472 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 473 { 474 int page_save = -1; 475 if ((kcontrol->private_value & (1<<25)) && 476 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 477 (reg >= 0x60 && reg < 0x70)) { 478 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 479 mutex_lock(&ac97->page_mutex); /* lock paging */ 480 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 481 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 482 } 483 return page_save; 484 } 485 486 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 487 { 488 if (page_save >= 0) { 489 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 490 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 491 } 492 } 493 494 /* volume and switch controls */ 495 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 496 { 497 int mask = (kcontrol->private_value >> 16) & 0xff; 498 int shift = (kcontrol->private_value >> 8) & 0x0f; 499 int rshift = (kcontrol->private_value >> 12) & 0x0f; 500 501 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 502 uinfo->count = shift == rshift ? 1 : 2; 503 uinfo->value.integer.min = 0; 504 uinfo->value.integer.max = mask; 505 return 0; 506 } 507 508 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 509 { 510 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 511 int reg = kcontrol->private_value & 0xff; 512 int shift = (kcontrol->private_value >> 8) & 0x0f; 513 int rshift = (kcontrol->private_value >> 12) & 0x0f; 514 int mask = (kcontrol->private_value >> 16) & 0xff; 515 int invert = (kcontrol->private_value >> 24) & 0x01; 516 int page_save; 517 518 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 519 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 520 if (shift != rshift) 521 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 522 if (invert) { 523 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 524 if (shift != rshift) 525 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 526 } 527 snd_ac97_page_restore(ac97, page_save); 528 return 0; 529 } 530 531 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 532 { 533 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 534 int reg = kcontrol->private_value & 0xff; 535 int shift = (kcontrol->private_value >> 8) & 0x0f; 536 int rshift = (kcontrol->private_value >> 12) & 0x0f; 537 int mask = (kcontrol->private_value >> 16) & 0xff; 538 int invert = (kcontrol->private_value >> 24) & 0x01; 539 int err, page_save; 540 unsigned short val, val2, val_mask; 541 542 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 543 val = (ucontrol->value.integer.value[0] & mask); 544 if (invert) 545 val = mask - val; 546 val_mask = mask << shift; 547 val = val << shift; 548 if (shift != rshift) { 549 val2 = (ucontrol->value.integer.value[1] & mask); 550 if (invert) 551 val2 = mask - val2; 552 val_mask |= mask << rshift; 553 val |= val2 << rshift; 554 } 555 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 556 snd_ac97_page_restore(ac97, page_save); 557 return err; 558 } 559 560 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 561 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 562 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 563 }; 564 565 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 566 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 567 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 568 }; 569 570 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 571 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), 572 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) 573 }; 574 575 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 576 AC97_SINGLE("Mic Boost (+20dB) Switch", AC97_MIC, 6, 1, 0); 577 578 579 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 580 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 581 static const char* std_mix[] = {"Mix", "Mic"}; 582 static const char* std_mic[] = {"Mic1", "Mic2"}; 583 584 static const struct ac97_enum std_enum[] = { 585 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 586 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 587 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 588 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 589 }; 590 591 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 592 AC97_ENUM("Capture Source", std_enum[0]); 593 594 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 595 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 596 597 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 598 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 599 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 600 }; 601 602 enum { 603 AC97_GENERAL_PCM_OUT = 0, 604 AC97_GENERAL_STEREO_ENHANCEMENT, 605 AC97_GENERAL_3D, 606 AC97_GENERAL_LOUDNESS, 607 AC97_GENERAL_MONO, 608 AC97_GENERAL_MIC, 609 AC97_GENERAL_LOOPBACK 610 }; 611 612 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 613 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 614 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 615 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 616 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 617 AC97_ENUM("Mono Output Select", std_enum[2]), 618 AC97_ENUM("Mic Select Capture Switch", std_enum[3]), 619 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 620 }; 621 622 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 623 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 624 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 625 }; 626 627 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 628 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 629 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 630 }; 631 632 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 633 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 634 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 635 }; 636 637 static const struct snd_kcontrol_new snd_ac97_control_eapd = 638 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 639 640 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 641 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 642 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 643 }; 644 645 /* change the existing EAPD control as inverted */ 646 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 647 { 648 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 649 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 650 ac97->scaps |= AC97_SCAP_INV_EAPD; 651 } 652 653 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 654 { 655 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 656 uinfo->count = 1; 657 return 0; 658 } 659 660 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 661 { 662 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 663 IEC958_AES0_NONAUDIO | 664 IEC958_AES0_CON_EMPHASIS_5015 | 665 IEC958_AES0_CON_NOT_COPYRIGHT; 666 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 667 IEC958_AES1_CON_ORIGINAL; 668 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 669 return 0; 670 } 671 672 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 673 { 674 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 675 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 676 IEC958_AES0_NONAUDIO | 677 IEC958_AES0_PRO_FS | 678 IEC958_AES0_PRO_EMPHASIS_5015; 679 return 0; 680 } 681 682 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 683 { 684 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 685 686 mutex_lock(&ac97->reg_mutex); 687 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 688 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 689 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 690 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 691 mutex_unlock(&ac97->reg_mutex); 692 return 0; 693 } 694 695 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 696 { 697 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 698 unsigned int new = 0; 699 unsigned short val = 0; 700 int change; 701 702 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 703 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 704 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 705 switch (new & IEC958_AES0_PRO_FS) { 706 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 707 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 708 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 709 default: val |= 1<<12; break; 710 } 711 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 712 val |= 1<<3; 713 } else { 714 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 715 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 716 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 717 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 718 val |= 1<<3; 719 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 720 val |= 1<<2; 721 val |= ((new >> 8) & 0xff) << 4; // category + original 722 switch ((new >> 24) & 0xff) { 723 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 724 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 725 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 726 default: val |= 1<<12; break; 727 } 728 } 729 730 mutex_lock(&ac97->reg_mutex); 731 change = ac97->spdif_status != new; 732 ac97->spdif_status = new; 733 734 if (ac97->flags & AC97_CS_SPDIF) { 735 int x = (val >> 12) & 0x03; 736 switch (x) { 737 case 0: x = 1; break; // 44.1 738 case 2: x = 0; break; // 48.0 739 default: x = 0; break; // illegal. 740 } 741 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 742 } else if (ac97->flags & AC97_CX_SPDIF) { 743 int v; 744 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 745 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 746 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 747 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 748 v); 749 } else { 750 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 751 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 752 753 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 754 if (extst & AC97_EA_SPDIF) { 755 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 756 } 757 } 758 mutex_unlock(&ac97->reg_mutex); 759 760 return change; 761 } 762 763 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 764 { 765 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 766 int reg = kcontrol->private_value & 0xff; 767 int shift = (kcontrol->private_value >> 8) & 0xff; 768 int mask = (kcontrol->private_value >> 16) & 0xff; 769 // int invert = (kcontrol->private_value >> 24) & 0xff; 770 unsigned short value, old, new; 771 int change; 772 773 value = (ucontrol->value.integer.value[0] & mask); 774 775 mutex_lock(&ac97->reg_mutex); 776 mask <<= shift; 777 value <<= shift; 778 old = snd_ac97_read_cache(ac97, reg); 779 new = (old & ~mask) | value; 780 change = old != new; 781 782 if (change) { 783 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 784 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 785 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 786 if (extst & AC97_EA_SPDIF) 787 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 788 } 789 mutex_unlock(&ac97->reg_mutex); 790 return change; 791 } 792 793 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 794 { 795 .access = SNDRV_CTL_ELEM_ACCESS_READ, 796 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 797 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 798 .info = snd_ac97_spdif_mask_info, 799 .get = snd_ac97_spdif_cmask_get, 800 }, 801 { 802 .access = SNDRV_CTL_ELEM_ACCESS_READ, 803 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 804 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 805 .info = snd_ac97_spdif_mask_info, 806 .get = snd_ac97_spdif_pmask_get, 807 }, 808 { 809 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 810 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 811 .info = snd_ac97_spdif_mask_info, 812 .get = snd_ac97_spdif_default_get, 813 .put = snd_ac97_spdif_default_put, 814 }, 815 816 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 817 { 818 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 819 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 820 .info = snd_ac97_info_volsw, 821 .get = snd_ac97_get_volsw, 822 .put = snd_ac97_put_spsa, 823 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 824 }, 825 }; 826 827 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 828 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 829 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 830 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 831 832 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 833 { 834 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 835 int mask = (kcontrol->private_value >> 16) & 0x0f; 836 int lshift = (kcontrol->private_value >> 8) & 0x0f; 837 int rshift = (kcontrol->private_value >> 12) & 0x0f; 838 839 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 840 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 841 uinfo->count = 2; 842 else 843 uinfo->count = 1; 844 uinfo->value.integer.min = 0; 845 uinfo->value.integer.max = mask; 846 return 0; 847 } 848 849 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 850 { 851 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 852 int codec = kcontrol->private_value & 3; 853 int lshift = (kcontrol->private_value >> 8) & 0x0f; 854 int rshift = (kcontrol->private_value >> 12) & 0x0f; 855 int mask = (kcontrol->private_value >> 16) & 0xff; 856 857 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 858 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 859 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 860 return 0; 861 } 862 863 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 864 { 865 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 866 int codec = kcontrol->private_value & 3; 867 int lshift = (kcontrol->private_value >> 8) & 0x0f; 868 int rshift = (kcontrol->private_value >> 12) & 0x0f; 869 int mask = (kcontrol->private_value >> 16) & 0xff; 870 unsigned short val, valmask; 871 872 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 873 valmask = mask << lshift; 874 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 875 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 876 valmask |= mask << rshift; 877 } 878 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 879 } 880 881 #define AD18XX_PCM_VOLUME(xname, codec) \ 882 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 883 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 884 .private_value = codec } 885 886 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 887 { 888 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 889 uinfo->count = 2; 890 uinfo->value.integer.min = 0; 891 uinfo->value.integer.max = 31; 892 return 0; 893 } 894 895 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 896 { 897 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 898 int codec = kcontrol->private_value & 3; 899 900 mutex_lock(&ac97->page_mutex); 901 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 902 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 903 mutex_unlock(&ac97->page_mutex); 904 return 0; 905 } 906 907 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 908 { 909 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 910 int codec = kcontrol->private_value & 3; 911 unsigned short val1, val2; 912 913 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 914 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 915 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 916 } 917 918 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 919 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 920 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 921 }; 922 923 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 924 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 925 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 926 }; 927 928 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 929 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 930 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 931 }; 932 933 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 934 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 935 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 936 }; 937 938 /* 939 * 940 */ 941 942 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 943 944 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 945 { 946 if (bus) { 947 snd_ac97_bus_proc_done(bus); 948 kfree(bus->pcms); 949 if (bus->private_free) 950 bus->private_free(bus); 951 kfree(bus); 952 } 953 return 0; 954 } 955 956 static int snd_ac97_bus_dev_free(struct snd_device *device) 957 { 958 struct snd_ac97_bus *bus = device->device_data; 959 return snd_ac97_bus_free(bus); 960 } 961 962 static int snd_ac97_free(struct snd_ac97 *ac97) 963 { 964 if (ac97) { 965 snd_ac97_proc_done(ac97); 966 if (ac97->bus) 967 ac97->bus->codec[ac97->num] = NULL; 968 if (ac97->private_free) 969 ac97->private_free(ac97); 970 kfree(ac97); 971 } 972 return 0; 973 } 974 975 static int snd_ac97_dev_free(struct snd_device *device) 976 { 977 struct snd_ac97 *ac97 = device->device_data; 978 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 979 return snd_ac97_free(ac97); 980 } 981 982 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 983 { 984 unsigned short val, mask = 0x8000; 985 986 if (! snd_ac97_valid_reg(ac97, reg)) 987 return 0; 988 989 switch (reg) { 990 case AC97_MASTER_TONE: 991 return ac97->caps & 0x04 ? 1 : 0; 992 case AC97_HEADPHONE: 993 return ac97->caps & 0x10 ? 1 : 0; 994 case AC97_REC_GAIN_MIC: 995 return ac97->caps & 0x01 ? 1 : 0; 996 case AC97_3D_CONTROL: 997 if (ac97->caps & 0x7c00) { 998 val = snd_ac97_read(ac97, reg); 999 /* if nonzero - fixed and we can't set it */ 1000 return val == 0; 1001 } 1002 return 0; 1003 case AC97_CENTER_LFE_MASTER: /* center */ 1004 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1005 return 0; 1006 break; 1007 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1008 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1009 return 0; 1010 reg = AC97_CENTER_LFE_MASTER; 1011 mask = 0x0080; 1012 break; 1013 case AC97_SURROUND_MASTER: 1014 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1015 return 0; 1016 break; 1017 } 1018 1019 val = snd_ac97_read(ac97, reg); 1020 if (!(val & mask)) { 1021 /* nothing seems to be here - mute flag is not set */ 1022 /* try another test */ 1023 snd_ac97_write_cache(ac97, reg, val | mask); 1024 val = snd_ac97_read(ac97, reg); 1025 val = snd_ac97_read(ac97, reg); 1026 if (!(val & mask)) 1027 return 0; /* nothing here */ 1028 } 1029 return 1; /* success, useable */ 1030 } 1031 1032 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1033 { 1034 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1035 unsigned char max[3] = { 63, 31, 15 }; 1036 int i; 1037 1038 /* first look up the static resolution table */ 1039 if (ac97->res_table) { 1040 const struct snd_ac97_res_table *tbl; 1041 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1042 if (tbl->reg == reg) { 1043 *lo_max = tbl->bits & 0xff; 1044 *hi_max = (tbl->bits >> 8) & 0xff; 1045 return; 1046 } 1047 } 1048 } 1049 1050 *lo_max = *hi_max = 0; 1051 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1052 unsigned short val; 1053 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); 1054 /* Do the read twice due to buffers on some ac97 codecs. 1055 * e.g. The STAC9704 returns exactly what you wrote the the register 1056 * if you read it immediately. This causes the detect routine to fail. 1057 */ 1058 val = snd_ac97_read(ac97, reg); 1059 val = snd_ac97_read(ac97, reg); 1060 if (! *lo_max && (val & 0x7f) == cbit[i]) 1061 *lo_max = max[i]; 1062 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1063 *hi_max = max[i]; 1064 if (*lo_max && *hi_max) 1065 break; 1066 } 1067 } 1068 1069 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1070 { 1071 unsigned short mask, val, orig, res; 1072 1073 mask = 1 << bit; 1074 orig = snd_ac97_read(ac97, reg); 1075 val = orig ^ mask; 1076 snd_ac97_write(ac97, reg, val); 1077 res = snd_ac97_read(ac97, reg); 1078 snd_ac97_write_cache(ac97, reg, orig); 1079 return res == val; 1080 } 1081 1082 /* check the volume resolution of center/lfe */ 1083 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1084 { 1085 unsigned short val, val1; 1086 1087 *max = 63; 1088 val = 0x8080 | (0x20 << shift); 1089 snd_ac97_write(ac97, reg, val); 1090 val1 = snd_ac97_read(ac97, reg); 1091 if (val != val1) { 1092 *max = 31; 1093 } 1094 /* reset volume to zero */ 1095 snd_ac97_write_cache(ac97, reg, 0x8080); 1096 } 1097 1098 static inline int printable(unsigned int x) 1099 { 1100 x &= 0xff; 1101 if (x < ' ' || x >= 0x71) { 1102 if (x <= 0x89) 1103 return x - 0x71 + 'A'; 1104 return '?'; 1105 } 1106 return x; 1107 } 1108 1109 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97) 1110 { 1111 struct snd_kcontrol_new template; 1112 memcpy(&template, _template, sizeof(template)); 1113 template.index = ac97->num; 1114 return snd_ctl_new1(&template, ac97); 1115 } 1116 1117 /* 1118 * create mute switch(es) for normal stereo controls 1119 */ 1120 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, int check_stereo, struct snd_ac97 *ac97) 1121 { 1122 struct snd_kcontrol *kctl; 1123 int err; 1124 unsigned short val, val1, mute_mask; 1125 1126 if (! snd_ac97_valid_reg(ac97, reg)) 1127 return 0; 1128 1129 mute_mask = 0x8000; 1130 val = snd_ac97_read(ac97, reg); 1131 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1132 /* check whether both mute bits work */ 1133 val1 = val | 0x8080; 1134 snd_ac97_write(ac97, reg, val1); 1135 if (val1 == snd_ac97_read(ac97, reg)) 1136 mute_mask = 0x8080; 1137 } 1138 if (mute_mask == 0x8080) { 1139 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1140 tmp.index = ac97->num; 1141 kctl = snd_ctl_new1(&tmp, ac97); 1142 } else { 1143 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1144 tmp.index = ac97->num; 1145 kctl = snd_ctl_new1(&tmp, ac97); 1146 } 1147 err = snd_ctl_add(card, kctl); 1148 if (err < 0) 1149 return err; 1150 /* mute as default */ 1151 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1152 return 0; 1153 } 1154 1155 /* 1156 * create a volume for normal stereo/mono controls 1157 */ 1158 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1159 unsigned int hi_max, struct snd_ac97 *ac97) 1160 { 1161 int err; 1162 struct snd_kcontrol *kctl; 1163 1164 if (! snd_ac97_valid_reg(ac97, reg)) 1165 return 0; 1166 if (hi_max) { 1167 /* invert */ 1168 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1169 tmp.index = ac97->num; 1170 kctl = snd_ctl_new1(&tmp, ac97); 1171 } else { 1172 /* invert */ 1173 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1174 tmp.index = ac97->num; 1175 kctl = snd_ctl_new1(&tmp, ac97); 1176 } 1177 err = snd_ctl_add(card, kctl); 1178 if (err < 0) 1179 return err; 1180 snd_ac97_write_cache(ac97, reg, 1181 (snd_ac97_read(ac97, reg) & 0x8080) | 1182 lo_max | (hi_max << 8)); 1183 return 0; 1184 } 1185 1186 /* 1187 * create a mute-switch and a volume for normal stereo/mono controls 1188 */ 1189 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, int reg, int check_stereo, struct snd_ac97 *ac97) 1190 { 1191 int err; 1192 char name[44]; 1193 unsigned char lo_max, hi_max; 1194 1195 if (! snd_ac97_valid_reg(ac97, reg)) 1196 return 0; 1197 1198 if (snd_ac97_try_bit(ac97, reg, 15)) { 1199 sprintf(name, "%s Switch", pfx); 1200 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0) 1201 return err; 1202 } 1203 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1204 if (lo_max) { 1205 sprintf(name, "%s Volume", pfx); 1206 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1207 return err; 1208 } 1209 return 0; 1210 } 1211 1212 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97) 1213 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97) 1214 1215 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1216 1217 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1218 { 1219 struct snd_card *card = ac97->bus->card; 1220 struct snd_kcontrol *kctl; 1221 int err; 1222 unsigned int idx; 1223 unsigned char max; 1224 1225 /* build master controls */ 1226 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1227 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1228 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1229 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97); 1230 else 1231 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97); 1232 if (err < 0) 1233 return err; 1234 } 1235 1236 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; 1237 1238 /* build center controls */ 1239 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1240 && !(ac97->flags & AC97_AD_MULTI)) { 1241 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1242 return err; 1243 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1244 return err; 1245 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1246 kctl->private_value &= ~(0xff << 16); 1247 kctl->private_value |= (int)max << 16; 1248 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1249 } 1250 1251 /* build LFE controls */ 1252 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1253 && !(ac97->flags & AC97_AD_MULTI)) { 1254 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1255 return err; 1256 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1257 return err; 1258 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1259 kctl->private_value &= ~(0xff << 16); 1260 kctl->private_value |= (int)max << 16; 1261 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1262 } 1263 1264 /* build surround controls */ 1265 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1266 && !(ac97->flags & AC97_AD_MULTI)) { 1267 /* Surround Master (0x38) is with stereo mutes */ 1268 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0) 1269 return err; 1270 } 1271 1272 /* build headphone controls */ 1273 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1274 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0) 1275 return err; 1276 } 1277 1278 /* build master mono controls */ 1279 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1280 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0) 1281 return err; 1282 } 1283 1284 /* build master tone controls */ 1285 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1286 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1287 for (idx = 0; idx < 2; idx++) { 1288 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1289 return err; 1290 if (ac97->id == AC97_ID_YMF753) { 1291 kctl->private_value &= ~(0xff << 16); 1292 kctl->private_value |= 7 << 16; 1293 } 1294 } 1295 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1296 } 1297 } 1298 1299 /* build PC Speaker controls */ 1300 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1301 ((ac97->flags & AC97_HAS_PC_BEEP) || 1302 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1303 for (idx = 0; idx < 2; idx++) 1304 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1305 return err; 1306 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 1307 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); 1308 } 1309 1310 /* build Phone controls */ 1311 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1312 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1313 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0) 1314 return err; 1315 } 1316 } 1317 1318 /* build MIC controls */ 1319 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1320 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1321 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0) 1322 return err; 1323 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1324 return err; 1325 } 1326 } 1327 1328 /* build Line controls */ 1329 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1330 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0) 1331 return err; 1332 } 1333 1334 /* build CD controls */ 1335 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1336 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1337 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0) 1338 return err; 1339 } 1340 } 1341 1342 /* build Video controls */ 1343 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1344 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1345 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0) 1346 return err; 1347 } 1348 } 1349 1350 /* build Aux controls */ 1351 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1352 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1353 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0) 1354 return err; 1355 } 1356 } 1357 1358 /* build PCM controls */ 1359 if (ac97->flags & AC97_AD_MULTI) { 1360 unsigned short init_val; 1361 if (ac97->flags & AC97_STEREO_MUTES) 1362 init_val = 0x9f9f; 1363 else 1364 init_val = 0x9f1f; 1365 for (idx = 0; idx < 2; idx++) 1366 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1367 return err; 1368 ac97->spec.ad18xx.pcmreg[0] = init_val; 1369 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1370 for (idx = 0; idx < 2; idx++) 1371 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1372 return err; 1373 ac97->spec.ad18xx.pcmreg[1] = init_val; 1374 } 1375 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1376 for (idx = 0; idx < 2; idx++) 1377 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1378 return err; 1379 for (idx = 0; idx < 2; idx++) 1380 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1381 return err; 1382 ac97->spec.ad18xx.pcmreg[2] = init_val; 1383 } 1384 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1385 } else { 1386 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1387 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1388 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97); 1389 else 1390 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97); 1391 if (err < 0) 1392 return err; 1393 } 1394 } 1395 1396 /* build Capture controls */ 1397 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1398 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1399 return err; 1400 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1401 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0) 1402 return err; 1403 } 1404 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1405 return err; 1406 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1407 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1408 } 1409 /* build MIC Capture controls */ 1410 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1411 for (idx = 0; idx < 2; idx++) 1412 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1413 return err; 1414 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1415 } 1416 1417 /* build PCM out path & mute control */ 1418 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1419 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1420 return err; 1421 } 1422 1423 /* build Simulated Stereo Enhancement control */ 1424 if (ac97->caps & 0x0008) { 1425 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1426 return err; 1427 } 1428 1429 /* build 3D Stereo Enhancement control */ 1430 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1431 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1432 return err; 1433 } 1434 1435 /* build Loudness control */ 1436 if (ac97->caps & 0x0020) { 1437 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1438 return err; 1439 } 1440 1441 /* build Mono output select control */ 1442 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1443 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1444 return err; 1445 } 1446 1447 /* build Mic select control */ 1448 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1449 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1450 return err; 1451 } 1452 1453 /* build ADC/DAC loopback control */ 1454 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1455 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1456 return err; 1457 } 1458 1459 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1460 1461 /* build 3D controls */ 1462 if (ac97->build_ops->build_3d) { 1463 ac97->build_ops->build_3d(ac97); 1464 } else { 1465 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1466 unsigned short val; 1467 val = 0x0707; 1468 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1469 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1470 val = val == 0x0606; 1471 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1472 return err; 1473 if (val) 1474 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1475 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1476 return err; 1477 if (val) 1478 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1479 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1480 } 1481 } 1482 1483 /* build S/PDIF controls */ 1484 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1485 if (ac97->build_ops->build_spdif) { 1486 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1487 return err; 1488 } else { 1489 for (idx = 0; idx < 5; idx++) 1490 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1491 return err; 1492 if (ac97->build_ops->build_post_spdif) { 1493 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1494 return err; 1495 } 1496 /* set default PCM S/PDIF params */ 1497 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1498 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1499 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1500 } 1501 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1502 } 1503 1504 /* build chip specific controls */ 1505 if (ac97->build_ops->build_specific) 1506 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1507 return err; 1508 1509 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1510 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1511 if (! kctl) 1512 return -ENOMEM; 1513 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1514 set_inv_eapd(ac97, kctl); 1515 if ((err = snd_ctl_add(card, kctl)) < 0) 1516 return err; 1517 } 1518 1519 return 0; 1520 } 1521 1522 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1523 { 1524 int err, idx; 1525 1526 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG)); 1527 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1528 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1529 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1530 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1531 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1532 1533 /* build modem switches */ 1534 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1535 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1536 return err; 1537 1538 /* build chip specific controls */ 1539 if (ac97->build_ops->build_specific) 1540 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1541 return err; 1542 1543 return 0; 1544 } 1545 1546 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1547 { 1548 unsigned short val; 1549 unsigned int tmp; 1550 1551 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1552 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1553 if (shadow_reg) 1554 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1555 val = snd_ac97_read(ac97, reg); 1556 return val == (tmp & 0xffff); 1557 } 1558 1559 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1560 { 1561 unsigned int result = 0; 1562 unsigned short saved; 1563 1564 if (ac97->bus->no_vra) { 1565 *r_result = SNDRV_PCM_RATE_48000; 1566 if ((ac97->flags & AC97_DOUBLE_RATE) && 1567 reg == AC97_PCM_FRONT_DAC_RATE) 1568 *r_result |= SNDRV_PCM_RATE_96000; 1569 return; 1570 } 1571 1572 saved = snd_ac97_read(ac97, reg); 1573 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1574 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1575 AC97_EA_DRA, 0); 1576 /* test a non-standard rate */ 1577 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1578 result |= SNDRV_PCM_RATE_CONTINUOUS; 1579 /* let's try to obtain standard rates */ 1580 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1581 result |= SNDRV_PCM_RATE_8000; 1582 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1583 result |= SNDRV_PCM_RATE_11025; 1584 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1585 result |= SNDRV_PCM_RATE_16000; 1586 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1587 result |= SNDRV_PCM_RATE_22050; 1588 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1589 result |= SNDRV_PCM_RATE_32000; 1590 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1591 result |= SNDRV_PCM_RATE_44100; 1592 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1593 result |= SNDRV_PCM_RATE_48000; 1594 if ((ac97->flags & AC97_DOUBLE_RATE) && 1595 reg == AC97_PCM_FRONT_DAC_RATE) { 1596 /* test standard double rates */ 1597 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1598 AC97_EA_DRA, AC97_EA_DRA); 1599 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1600 result |= SNDRV_PCM_RATE_64000; 1601 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1602 result |= SNDRV_PCM_RATE_88200; 1603 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1604 result |= SNDRV_PCM_RATE_96000; 1605 /* some codecs don't support variable double rates */ 1606 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1607 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1608 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1609 AC97_EA_DRA, 0); 1610 } 1611 /* restore the default value */ 1612 snd_ac97_write_cache(ac97, reg, saved); 1613 if (shadow_reg) 1614 snd_ac97_write_cache(ac97, shadow_reg, saved); 1615 *r_result = result; 1616 } 1617 1618 /* check AC97_SPDIF register to accept which sample rates */ 1619 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1620 { 1621 unsigned int result = 0; 1622 int i; 1623 static unsigned short ctl_bits[] = { 1624 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1625 }; 1626 static unsigned int rate_bits[] = { 1627 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1628 }; 1629 1630 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1631 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1632 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1633 result |= rate_bits[i]; 1634 } 1635 return result; 1636 } 1637 1638 /* look for the codec id table matching with the given id */ 1639 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1640 unsigned int id) 1641 { 1642 const struct ac97_codec_id *pid; 1643 1644 for (pid = table; pid->id; pid++) 1645 if (pid->id == (id & pid->mask)) 1646 return pid; 1647 return NULL; 1648 } 1649 1650 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1651 { 1652 const struct ac97_codec_id *pid; 1653 1654 sprintf(name, "0x%x %c%c%c", id, 1655 printable(id >> 24), 1656 printable(id >> 16), 1657 printable(id >> 8)); 1658 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1659 if (! pid) 1660 return; 1661 1662 strcpy(name, pid->name); 1663 if (ac97 && pid->patch) { 1664 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1665 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1666 pid->patch(ac97); 1667 } 1668 1669 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1670 if (pid) { 1671 strcat(name, " "); 1672 strcat(name, pid->name); 1673 if (pid->mask != 0xffffffff) 1674 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1675 if (ac97 && pid->patch) { 1676 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1677 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1678 pid->patch(ac97); 1679 } 1680 } else 1681 sprintf(name + strlen(name), " id %x", id & 0xff); 1682 } 1683 1684 /** 1685 * snd_ac97_get_short_name - retrieve codec name 1686 * @ac97: the codec instance 1687 * 1688 * Returns the short identifying name of the codec. 1689 */ 1690 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1691 { 1692 const struct ac97_codec_id *pid; 1693 1694 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1695 if (pid->id == (ac97->id & pid->mask)) 1696 return pid->name; 1697 return "unknown codec"; 1698 } 1699 1700 EXPORT_SYMBOL(snd_ac97_get_short_name); 1701 1702 /* wait for a while until registers are accessible after RESET 1703 * return 0 if ok, negative not ready 1704 */ 1705 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1706 { 1707 unsigned long end_time; 1708 unsigned short val; 1709 1710 end_time = jiffies + timeout; 1711 do { 1712 1713 /* use preliminary reads to settle the communication */ 1714 snd_ac97_read(ac97, AC97_RESET); 1715 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1716 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1717 /* modem? */ 1718 if (with_modem) { 1719 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1720 if (val != 0xffff && (val & 1) != 0) 1721 return 0; 1722 } 1723 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1724 /* probably only Xbox issue - all registers are read as zero */ 1725 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1726 if (val != 0 && val != 0xffff) 1727 return 0; 1728 } else { 1729 /* because the PCM or MASTER volume registers can be modified, 1730 * the REC_GAIN register is used for tests 1731 */ 1732 /* test if we can write to the record gain volume register */ 1733 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1734 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1735 return 0; 1736 } 1737 schedule_timeout_uninterruptible(1); 1738 } while (time_after_eq(end_time, jiffies)); 1739 return -ENODEV; 1740 } 1741 1742 /** 1743 * snd_ac97_bus - create an AC97 bus component 1744 * @card: the card instance 1745 * @num: the bus number 1746 * @ops: the bus callbacks table 1747 * @private_data: private data pointer for the new instance 1748 * @rbus: the pointer to store the new AC97 bus instance. 1749 * 1750 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1751 * allocated and initialized. 1752 * 1753 * The ops table must include valid callbacks (at least read and 1754 * write). The other callbacks, wait and reset, are not mandatory. 1755 * 1756 * The clock is set to 48000. If another clock is needed, set 1757 * (*rbus)->clock manually. 1758 * 1759 * The AC97 bus instance is registered as a low-level device, so you don't 1760 * have to release it manually. 1761 * 1762 * Returns zero if successful, or a negative error code on failure. 1763 */ 1764 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1765 void *private_data, struct snd_ac97_bus **rbus) 1766 { 1767 int err; 1768 struct snd_ac97_bus *bus; 1769 static struct snd_device_ops dev_ops = { 1770 .dev_free = snd_ac97_bus_dev_free, 1771 }; 1772 1773 snd_assert(card != NULL, return -EINVAL); 1774 snd_assert(rbus != NULL, return -EINVAL); 1775 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1776 if (bus == NULL) 1777 return -ENOMEM; 1778 bus->card = card; 1779 bus->num = num; 1780 bus->ops = ops; 1781 bus->private_data = private_data; 1782 bus->clock = 48000; 1783 spin_lock_init(&bus->bus_lock); 1784 snd_ac97_bus_proc_init(bus); 1785 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1786 snd_ac97_bus_free(bus); 1787 return err; 1788 } 1789 *rbus = bus; 1790 return 0; 1791 } 1792 1793 EXPORT_SYMBOL(snd_ac97_bus); 1794 1795 /* stop no dev release warning */ 1796 static void ac97_device_release(struct device * dev) 1797 { 1798 } 1799 1800 /* register ac97 codec to bus */ 1801 static int snd_ac97_dev_register(struct snd_device *device) 1802 { 1803 struct snd_ac97 *ac97 = device->device_data; 1804 int err; 1805 1806 ac97->dev.bus = &ac97_bus_type; 1807 ac97->dev.parent = ac97->bus->card->dev; 1808 ac97->dev.release = ac97_device_release; 1809 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s", 1810 ac97->bus->card->number, ac97->num, 1811 snd_ac97_get_short_name(ac97)); 1812 if ((err = device_register(&ac97->dev)) < 0) { 1813 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1814 ac97->dev.bus = NULL; 1815 return err; 1816 } 1817 return 0; 1818 } 1819 1820 /* unregister ac97 codec */ 1821 static int snd_ac97_dev_unregister(struct snd_device *device) 1822 { 1823 struct snd_ac97 *ac97 = device->device_data; 1824 if (ac97->dev.bus) 1825 device_unregister(&ac97->dev); 1826 return snd_ac97_free(ac97); 1827 } 1828 1829 /* build_ops to do nothing */ 1830 static struct snd_ac97_build_ops null_build_ops; 1831 1832 /** 1833 * snd_ac97_mixer - create an Codec97 component 1834 * @bus: the AC97 bus which codec is attached to 1835 * @template: the template of ac97, including index, callbacks and 1836 * the private data. 1837 * @rac97: the pointer to store the new ac97 instance. 1838 * 1839 * Creates an Codec97 component. An struct snd_ac97 instance is newly 1840 * allocated and initialized from the template. The codec 1841 * is then initialized by the standard procedure. 1842 * 1843 * The template must include the codec number (num) and address (addr), 1844 * and the private data (private_data). 1845 * 1846 * The ac97 instance is registered as a low-level device, so you don't 1847 * have to release it manually. 1848 * 1849 * Returns zero if successful, or a negative error code on failure. 1850 */ 1851 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 1852 { 1853 int err; 1854 struct snd_ac97 *ac97; 1855 struct snd_card *card; 1856 char name[64]; 1857 unsigned long end_time; 1858 unsigned int reg; 1859 const struct ac97_codec_id *pid; 1860 static struct snd_device_ops ops = { 1861 .dev_free = snd_ac97_dev_free, 1862 .dev_register = snd_ac97_dev_register, 1863 .dev_unregister = snd_ac97_dev_unregister, 1864 }; 1865 1866 snd_assert(rac97 != NULL, return -EINVAL); 1867 *rac97 = NULL; 1868 snd_assert(bus != NULL && template != NULL, return -EINVAL); 1869 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL); 1870 1871 card = bus->card; 1872 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 1873 if (ac97 == NULL) 1874 return -ENOMEM; 1875 ac97->private_data = template->private_data; 1876 ac97->private_free = template->private_free; 1877 ac97->bus = bus; 1878 ac97->pci = template->pci; 1879 ac97->num = template->num; 1880 ac97->addr = template->addr; 1881 ac97->scaps = template->scaps; 1882 ac97->res_table = template->res_table; 1883 bus->codec[ac97->num] = ac97; 1884 mutex_init(&ac97->reg_mutex); 1885 mutex_init(&ac97->page_mutex); 1886 1887 #ifdef CONFIG_PCI 1888 if (ac97->pci) { 1889 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 1890 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 1891 } 1892 #endif 1893 if (bus->ops->reset) { 1894 bus->ops->reset(ac97); 1895 goto __access_ok; 1896 } 1897 1898 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 1899 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 1900 if (ac97->id && ac97->id != (unsigned int)-1) { 1901 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 1902 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 1903 goto __access_ok; 1904 } 1905 1906 /* reset to defaults */ 1907 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 1908 snd_ac97_write(ac97, AC97_RESET, 0); 1909 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 1910 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 1911 if (bus->ops->wait) 1912 bus->ops->wait(ac97); 1913 else { 1914 udelay(50); 1915 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 1916 err = ac97_reset_wait(ac97, HZ/2, 1); 1917 else { 1918 err = ac97_reset_wait(ac97, HZ/2, 0); 1919 if (err < 0) 1920 err = ac97_reset_wait(ac97, HZ/2, 1); 1921 } 1922 if (err < 0) { 1923 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 1924 /* proceed anyway - it's often non-critical */ 1925 } 1926 } 1927 __access_ok: 1928 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 1929 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 1930 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 1931 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 1932 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 1933 snd_ac97_free(ac97); 1934 return -EIO; 1935 } 1936 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 1937 if (pid) 1938 ac97->flags |= pid->flags; 1939 1940 /* test for AC'97 */ 1941 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 1942 /* test if we can write to the record gain volume register */ 1943 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 1944 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 1945 ac97->scaps |= AC97_SCAP_AUDIO; 1946 } 1947 if (ac97->scaps & AC97_SCAP_AUDIO) { 1948 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 1949 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 1950 if (ac97->ext_id == 0xffff) /* invalid combination */ 1951 ac97->ext_id = 0; 1952 } 1953 1954 /* test for MC'97 */ 1955 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 1956 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1957 if (ac97->ext_mid == 0xffff) /* invalid combination */ 1958 ac97->ext_mid = 0; 1959 if (ac97->ext_mid & 1) 1960 ac97->scaps |= AC97_SCAP_MODEM; 1961 } 1962 1963 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 1964 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 1965 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 1966 snd_ac97_free(ac97); 1967 return -EACCES; 1968 } 1969 1970 if (bus->ops->reset) // FIXME: always skipping? 1971 goto __ready_ok; 1972 1973 /* FIXME: add powerdown control */ 1974 if (ac97_is_audio(ac97)) { 1975 /* nothing should be in powerdown mode */ 1976 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 1977 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 1978 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 1979 udelay(100); 1980 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 1981 } 1982 /* nothing should be in powerdown mode */ 1983 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 1984 end_time = jiffies + (HZ / 10); 1985 do { 1986 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 1987 goto __ready_ok; 1988 schedule_timeout_uninterruptible(1); 1989 } while (time_after_eq(end_time, jiffies)); 1990 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 1991 } 1992 1993 /* FIXME: add powerdown control */ 1994 if (ac97_is_modem(ac97)) { 1995 unsigned char tmp; 1996 1997 /* nothing should be in powerdown mode */ 1998 /* note: it's important to set the rate at first */ 1999 tmp = AC97_MEA_GPIO; 2000 if (ac97->ext_mid & AC97_MEI_LINE1) { 2001 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2002 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2003 } 2004 if (ac97->ext_mid & AC97_MEI_LINE2) { 2005 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2006 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2007 } 2008 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2009 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2010 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2011 } 2012 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2013 udelay(100); 2014 /* nothing should be in powerdown mode */ 2015 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2016 end_time = jiffies + (HZ / 10); 2017 do { 2018 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2019 goto __ready_ok; 2020 schedule_timeout_uninterruptible(1); 2021 } while (time_after_eq(end_time, jiffies)); 2022 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2023 } 2024 2025 __ready_ok: 2026 if (ac97_is_audio(ac97)) 2027 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2028 else 2029 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2030 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2031 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2032 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2033 if (! bus->no_vra) 2034 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2035 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2036 } 2037 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2038 /* Intel controllers require double rate data to be put in 2039 * slots 7+8, so let's hope the codec supports it. */ 2040 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2041 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2042 ac97->flags |= AC97_DOUBLE_RATE; 2043 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2044 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2045 } 2046 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2047 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2048 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2049 } else { 2050 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2051 if (ac97->flags & AC97_DOUBLE_RATE) 2052 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2053 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2054 } 2055 if (ac97->ext_id & AC97_EI_SPDIF) { 2056 /* codec specific code (patch) should override these values */ 2057 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2058 } 2059 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2060 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2061 } else { 2062 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2063 } 2064 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2065 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2066 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2067 } 2068 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2069 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2070 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2071 } 2072 /* additional initializations */ 2073 if (bus->ops->init) 2074 bus->ops->init(ac97); 2075 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2076 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2077 if (! ac97->build_ops) 2078 ac97->build_ops = &null_build_ops; 2079 2080 if (ac97_is_audio(ac97)) { 2081 char comp[16]; 2082 if (card->mixername[0] == '\0') { 2083 strcpy(card->mixername, name); 2084 } else { 2085 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2086 strcat(card->mixername, ","); 2087 strcat(card->mixername, name); 2088 } 2089 } 2090 sprintf(comp, "AC97a:%08x", ac97->id); 2091 if ((err = snd_component_add(card, comp)) < 0) { 2092 snd_ac97_free(ac97); 2093 return err; 2094 } 2095 if (snd_ac97_mixer_build(ac97) < 0) { 2096 snd_ac97_free(ac97); 2097 return -ENOMEM; 2098 } 2099 } 2100 if (ac97_is_modem(ac97)) { 2101 char comp[16]; 2102 if (card->mixername[0] == '\0') { 2103 strcpy(card->mixername, name); 2104 } else { 2105 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2106 strcat(card->mixername, ","); 2107 strcat(card->mixername, name); 2108 } 2109 } 2110 sprintf(comp, "AC97m:%08x", ac97->id); 2111 if ((err = snd_component_add(card, comp)) < 0) { 2112 snd_ac97_free(ac97); 2113 return err; 2114 } 2115 if (snd_ac97_modem_build(card, ac97) < 0) { 2116 snd_ac97_free(ac97); 2117 return -ENOMEM; 2118 } 2119 } 2120 /* make sure the proper powerdown bits are cleared */ 2121 if (ac97->scaps && ac97_is_audio(ac97)) { 2122 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2123 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2124 reg &= ~AC97_EA_PRJ; 2125 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2126 reg &= ~(AC97_EA_PRI | AC97_EA_PRK); 2127 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2128 } 2129 snd_ac97_proc_init(ac97); 2130 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2131 snd_ac97_free(ac97); 2132 return err; 2133 } 2134 *rac97 = ac97; 2135 return 0; 2136 } 2137 2138 EXPORT_SYMBOL(snd_ac97_mixer); 2139 2140 /* 2141 * Power down the chip. 2142 * 2143 * MASTER and HEADPHONE registers are muted but the register cache values 2144 * are not changed, so that the values can be restored in snd_ac97_resume(). 2145 */ 2146 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2147 { 2148 unsigned short power; 2149 2150 if (ac97_is_audio(ac97)) { 2151 /* some codecs have stereo mute bits */ 2152 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2153 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2154 } 2155 2156 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */ 2157 power |= 0x4000; /* Headphone amplifier powerdown */ 2158 power |= 0x0300; /* ADC & DAC powerdown */ 2159 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2160 udelay(100); 2161 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */ 2162 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2163 udelay(100); 2164 #if 0 2165 /* FIXME: this causes click noises on some boards at resume */ 2166 power |= 0x3800; /* AC-link powerdown, internal Clk disable */ 2167 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2168 #endif 2169 } 2170 2171 2172 #ifdef CONFIG_PM 2173 /** 2174 * snd_ac97_suspend - General suspend function for AC97 codec 2175 * @ac97: the ac97 instance 2176 * 2177 * Suspends the codec, power down the chip. 2178 */ 2179 void snd_ac97_suspend(struct snd_ac97 *ac97) 2180 { 2181 if (! ac97) 2182 return; 2183 if (ac97->build_ops->suspend) 2184 ac97->build_ops->suspend(ac97); 2185 snd_ac97_powerdown(ac97); 2186 } 2187 2188 EXPORT_SYMBOL(snd_ac97_suspend); 2189 2190 /* 2191 * restore ac97 status 2192 */ 2193 void snd_ac97_restore_status(struct snd_ac97 *ac97) 2194 { 2195 int i; 2196 2197 for (i = 2; i < 0x7c ; i += 2) { 2198 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2199 continue; 2200 /* restore only accessible registers 2201 * some chip (e.g. nm256) may hang up when unsupported registers 2202 * are accessed..! 2203 */ 2204 if (test_bit(i, ac97->reg_accessed)) { 2205 snd_ac97_write(ac97, i, ac97->regs[i]); 2206 snd_ac97_read(ac97, i); 2207 } 2208 } 2209 } 2210 2211 /* 2212 * restore IEC958 status 2213 */ 2214 void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2215 { 2216 if (ac97->ext_id & AC97_EI_SPDIF) { 2217 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2218 /* reset spdif status */ 2219 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2220 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2221 if (ac97->flags & AC97_CS_SPDIF) 2222 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2223 else 2224 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2225 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2226 } 2227 } 2228 } 2229 2230 /** 2231 * snd_ac97_resume - General resume function for AC97 codec 2232 * @ac97: the ac97 instance 2233 * 2234 * Do the standard resume procedure, power up and restoring the 2235 * old register values. 2236 */ 2237 void snd_ac97_resume(struct snd_ac97 *ac97) 2238 { 2239 unsigned long end_time; 2240 2241 if (! ac97) 2242 return; 2243 2244 if (ac97->bus->ops->reset) { 2245 ac97->bus->ops->reset(ac97); 2246 goto __reset_ready; 2247 } 2248 2249 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2250 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2251 snd_ac97_write(ac97, AC97_RESET, 0); 2252 udelay(100); 2253 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2254 } 2255 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2256 2257 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2258 if (ac97_is_audio(ac97)) { 2259 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2260 end_time = jiffies + msecs_to_jiffies(100); 2261 do { 2262 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2263 break; 2264 schedule_timeout_uninterruptible(1); 2265 } while (time_after_eq(end_time, jiffies)); 2266 /* FIXME: extra delay */ 2267 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); 2268 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) 2269 msleep(250); 2270 } else { 2271 end_time = jiffies + msecs_to_jiffies(100); 2272 do { 2273 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2274 if (val != 0xffff && (val & 1) != 0) 2275 break; 2276 schedule_timeout_uninterruptible(1); 2277 } while (time_after_eq(end_time, jiffies)); 2278 } 2279 __reset_ready: 2280 2281 if (ac97->bus->ops->init) 2282 ac97->bus->ops->init(ac97); 2283 2284 if (ac97->build_ops->resume) 2285 ac97->build_ops->resume(ac97); 2286 else { 2287 snd_ac97_restore_status(ac97); 2288 snd_ac97_restore_iec958(ac97); 2289 } 2290 } 2291 2292 EXPORT_SYMBOL(snd_ac97_resume); 2293 #endif 2294 2295 2296 /* 2297 * Hardware tuning 2298 */ 2299 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2300 { 2301 if (suffix) 2302 sprintf(dst, "%s %s", src, suffix); 2303 else 2304 strcpy(dst, src); 2305 } 2306 2307 /* remove the control with the given name and optional suffix */ 2308 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix) 2309 { 2310 struct snd_ctl_elem_id id; 2311 memset(&id, 0, sizeof(id)); 2312 set_ctl_name(id.name, name, suffix); 2313 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2314 return snd_ctl_remove_id(ac97->bus->card, &id); 2315 } 2316 2317 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2318 { 2319 struct snd_ctl_elem_id sid; 2320 memset(&sid, 0, sizeof(sid)); 2321 set_ctl_name(sid.name, name, suffix); 2322 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2323 return snd_ctl_find_id(ac97->bus->card, &sid); 2324 } 2325 2326 /* rename the control with the given name and optional suffix */ 2327 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix) 2328 { 2329 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2330 if (kctl) { 2331 set_ctl_name(kctl->id.name, dst, suffix); 2332 return 0; 2333 } 2334 return -ENOENT; 2335 } 2336 2337 /* rename both Volume and Switch controls - don't check the return value */ 2338 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst) 2339 { 2340 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2341 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2342 } 2343 2344 /* swap controls */ 2345 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix) 2346 { 2347 struct snd_kcontrol *kctl1, *kctl2; 2348 kctl1 = ctl_find(ac97, s1, suffix); 2349 kctl2 = ctl_find(ac97, s2, suffix); 2350 if (kctl1 && kctl2) { 2351 set_ctl_name(kctl1->id.name, s2, suffix); 2352 set_ctl_name(kctl2->id.name, s1, suffix); 2353 return 0; 2354 } 2355 return -ENOENT; 2356 } 2357 2358 #if 1 2359 /* bind hp and master controls instead of using only hp control */ 2360 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2361 { 2362 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2363 if (err > 0) { 2364 unsigned long priv_saved = kcontrol->private_value; 2365 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2366 snd_ac97_put_volsw(kcontrol, ucontrol); 2367 kcontrol->private_value = priv_saved; 2368 } 2369 return err; 2370 } 2371 2372 /* ac97 tune: bind Master and Headphone controls */ 2373 static int tune_hp_only(struct snd_ac97 *ac97) 2374 { 2375 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2376 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2377 if (! msw || ! mvol) 2378 return -ENOENT; 2379 msw->put = bind_hp_volsw_put; 2380 mvol->put = bind_hp_volsw_put; 2381 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2382 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2383 return 0; 2384 } 2385 2386 #else 2387 /* ac97 tune: use Headphone control as master */ 2388 static int tune_hp_only(struct snd_ac97 *ac97) 2389 { 2390 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2391 return -ENOENT; 2392 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2393 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2394 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2395 return 0; 2396 } 2397 #endif 2398 2399 /* ac97 tune: swap Headphone and Master controls */ 2400 static int tune_swap_hp(struct snd_ac97 *ac97) 2401 { 2402 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2403 return -ENOENT; 2404 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2405 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2406 return 0; 2407 } 2408 2409 /* ac97 tune: swap Surround and Master controls */ 2410 static int tune_swap_surround(struct snd_ac97 *ac97) 2411 { 2412 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2413 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2414 return -ENOENT; 2415 return 0; 2416 } 2417 2418 /* ac97 tune: set up mic sharing for AD codecs */ 2419 static int tune_ad_sharing(struct snd_ac97 *ac97) 2420 { 2421 unsigned short scfg; 2422 if ((ac97->id & 0xffffff00) != 0x41445300) { 2423 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2424 return -EINVAL; 2425 } 2426 /* Turn on OMS bit to route microphone to back panel */ 2427 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2428 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2429 return 0; 2430 } 2431 2432 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2433 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2434 2435 /* ac97 tune: set up ALC jack-select */ 2436 static int tune_alc_jack(struct snd_ac97 *ac97) 2437 { 2438 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2439 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2440 return -EINVAL; 2441 } 2442 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2443 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2444 if (ac97->id == AC97_ID_ALC658D) 2445 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2446 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2447 } 2448 2449 /* ac97 tune: inversed EAPD bit */ 2450 static int tune_inv_eapd(struct snd_ac97 *ac97) 2451 { 2452 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2453 if (! kctl) 2454 return -ENOENT; 2455 set_inv_eapd(ac97, kctl); 2456 return 0; 2457 } 2458 2459 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2460 { 2461 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2462 if (err > 0) { 2463 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2464 int shift = (kcontrol->private_value >> 8) & 0x0f; 2465 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2466 unsigned short mask; 2467 if (shift != rshift) 2468 mask = 0x8080; 2469 else 2470 mask = 0x8000; 2471 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2472 (ac97->regs[AC97_MASTER] & mask) == mask ? 2473 0x8000 : 0); 2474 } 2475 return err; 2476 } 2477 2478 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2479 static int tune_mute_led(struct snd_ac97 *ac97) 2480 { 2481 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2482 if (! msw) 2483 return -ENOENT; 2484 msw->put = master_mute_sw_put; 2485 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2486 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2487 return 0; 2488 } 2489 2490 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2491 struct snd_ctl_elem_value *ucontrol) 2492 { 2493 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2494 if (err > 0) { 2495 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2496 int shift = (kcontrol->private_value >> 8) & 0x0f; 2497 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2498 unsigned short mask; 2499 if (shift != rshift) 2500 mask = 0x8080; 2501 else 2502 mask = 0x8000; 2503 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2504 (ac97->regs[AC97_MASTER] & mask) == mask ? 2505 0x8000 : 0); 2506 } 2507 return err; 2508 } 2509 2510 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2511 { 2512 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2513 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2514 if (! msw || ! mvol) 2515 return -ENOENT; 2516 msw->put = hp_master_mute_sw_put; 2517 mvol->put = bind_hp_volsw_put; 2518 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2519 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2520 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2521 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2522 return 0; 2523 } 2524 2525 struct quirk_table { 2526 const char *name; 2527 int (*func)(struct snd_ac97 *); 2528 }; 2529 2530 static struct quirk_table applicable_quirks[] = { 2531 { "none", NULL }, 2532 { "hp_only", tune_hp_only }, 2533 { "swap_hp", tune_swap_hp }, 2534 { "swap_surround", tune_swap_surround }, 2535 { "ad_sharing", tune_ad_sharing }, 2536 { "alc_jack", tune_alc_jack }, 2537 { "inv_eapd", tune_inv_eapd }, 2538 { "mute_led", tune_mute_led }, 2539 { "hp_mute_led", tune_hp_mute_led }, 2540 }; 2541 2542 /* apply the quirk with the given type */ 2543 static int apply_quirk(struct snd_ac97 *ac97, int type) 2544 { 2545 if (type <= 0) 2546 return 0; 2547 else if (type >= ARRAY_SIZE(applicable_quirks)) 2548 return -EINVAL; 2549 if (applicable_quirks[type].func) 2550 return applicable_quirks[type].func(ac97); 2551 return 0; 2552 } 2553 2554 /* apply the quirk with the given name */ 2555 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2556 { 2557 int i; 2558 struct quirk_table *q; 2559 2560 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2561 q = &applicable_quirks[i]; 2562 if (q->name && ! strcmp(typestr, q->name)) 2563 return apply_quirk(ac97, i); 2564 } 2565 /* for compatibility, accept the numbers, too */ 2566 if (*typestr >= '0' && *typestr <= '9') 2567 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2568 return -EINVAL; 2569 } 2570 2571 /** 2572 * snd_ac97_tune_hardware - tune up the hardware 2573 * @ac97: the ac97 instance 2574 * @quirk: quirk list 2575 * @override: explicit quirk value (overrides the list if non-NULL) 2576 * 2577 * Do some workaround for each pci device, such as renaming of the 2578 * headphone (true line-out) control as "Master". 2579 * The quirk-list must be terminated with a zero-filled entry. 2580 * 2581 * Returns zero if successful, or a negative error code on failure. 2582 */ 2583 2584 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) 2585 { 2586 int result; 2587 2588 /* quirk overriden? */ 2589 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2590 result = apply_quirk_str(ac97, override); 2591 if (result < 0) 2592 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2593 return result; 2594 } 2595 2596 if (! quirk) 2597 return -EINVAL; 2598 2599 for (; quirk->subvendor; quirk++) { 2600 if (quirk->subvendor != ac97->subsystem_vendor) 2601 continue; 2602 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2603 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2604 if (quirk->codec_id && quirk->codec_id != ac97->id) 2605 continue; 2606 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2607 result = apply_quirk(ac97, quirk->type); 2608 if (result < 0) 2609 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2610 return result; 2611 } 2612 } 2613 return 0; 2614 } 2615 2616 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2617 2618 /* 2619 * INIT part 2620 */ 2621 2622 static int __init alsa_ac97_init(void) 2623 { 2624 return 0; 2625 } 2626 2627 static void __exit alsa_ac97_exit(void) 2628 { 2629 } 2630 2631 module_init(alsa_ac97_init) 2632 module_exit(alsa_ac97_exit) 2633