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 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 164 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL }, 165 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 166 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 167 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 168 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 169 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL}, 170 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 171 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL }, 172 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 173 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 174 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 175 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 176 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 177 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 178 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 179 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 180 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 181 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 182 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 183 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 184 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 185 { 0, 0, NULL, NULL, NULL } 186 }; 187 188 189 /* 190 * I/O routines 191 */ 192 193 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 194 { 195 /* filter some registers for buggy codecs */ 196 switch (ac97->id) { 197 case AC97_ID_AK4540: 198 case AC97_ID_AK4542: 199 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 200 return 1; 201 return 0; 202 case AC97_ID_AD1819: /* AD1819 */ 203 case AC97_ID_AD1881: /* AD1881 */ 204 case AC97_ID_AD1881A: /* AD1881A */ 205 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 206 return 0; 207 return 1; 208 case AC97_ID_AD1885: /* AD1885 */ 209 case AC97_ID_AD1886: /* AD1886 */ 210 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 211 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 212 if (reg == 0x5a) 213 return 1; 214 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 215 return 0; 216 return 1; 217 case AC97_ID_STAC9700: 218 case AC97_ID_STAC9704: 219 case AC97_ID_STAC9705: 220 case AC97_ID_STAC9708: 221 case AC97_ID_STAC9721: 222 case AC97_ID_STAC9744: 223 case AC97_ID_STAC9756: 224 if (reg <= 0x3a || reg >= 0x5a) 225 return 1; 226 return 0; 227 } 228 return 1; 229 } 230 231 /** 232 * snd_ac97_write - write a value on the given register 233 * @ac97: the ac97 instance 234 * @reg: the register to change 235 * @value: the value to set 236 * 237 * Writes a value on the given register. This will invoke the write 238 * callback directly after the register check. 239 * This function doesn't change the register cache unlike 240 * #snd_ca97_write_cache(), so use this only when you don't want to 241 * reflect the change to the suspend/resume state. 242 */ 243 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 244 { 245 if (!snd_ac97_valid_reg(ac97, reg)) 246 return; 247 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 248 /* Fix H/W bug of ALC100/100P */ 249 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 250 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 251 } 252 ac97->bus->ops->write(ac97, reg, value); 253 } 254 255 /** 256 * snd_ac97_read - read a value from the given register 257 * 258 * @ac97: the ac97 instance 259 * @reg: the register to read 260 * 261 * Reads a value from the given register. This will invoke the read 262 * callback directly after the register check. 263 * 264 * Returns the read value. 265 */ 266 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 267 { 268 if (!snd_ac97_valid_reg(ac97, reg)) 269 return 0; 270 return ac97->bus->ops->read(ac97, reg); 271 } 272 273 /* read a register - return the cached value if already read */ 274 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 275 { 276 if (! test_bit(reg, ac97->reg_accessed)) { 277 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 278 // set_bit(reg, ac97->reg_accessed); 279 } 280 return ac97->regs[reg]; 281 } 282 283 /** 284 * snd_ac97_write_cache - write a value on the given register and update the cache 285 * @ac97: the ac97 instance 286 * @reg: the register to change 287 * @value: the value to set 288 * 289 * Writes a value on the given register and updates the register 290 * cache. The cached values are used for the cached-read and the 291 * suspend/resume. 292 */ 293 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 294 { 295 if (!snd_ac97_valid_reg(ac97, reg)) 296 return; 297 mutex_lock(&ac97->reg_mutex); 298 ac97->regs[reg] = value; 299 ac97->bus->ops->write(ac97, reg, value); 300 set_bit(reg, ac97->reg_accessed); 301 mutex_unlock(&ac97->reg_mutex); 302 } 303 304 /** 305 * snd_ac97_update - update the value on the given register 306 * @ac97: the ac97 instance 307 * @reg: the register to change 308 * @value: the value to set 309 * 310 * Compares the value with the register cache and updates the value 311 * only when the value is changed. 312 * 313 * Returns 1 if the value is changed, 0 if no change, or a negative 314 * code on failure. 315 */ 316 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 317 { 318 int change; 319 320 if (!snd_ac97_valid_reg(ac97, reg)) 321 return -EINVAL; 322 mutex_lock(&ac97->reg_mutex); 323 change = ac97->regs[reg] != value; 324 if (change) { 325 ac97->regs[reg] = value; 326 ac97->bus->ops->write(ac97, reg, value); 327 } 328 set_bit(reg, ac97->reg_accessed); 329 mutex_unlock(&ac97->reg_mutex); 330 return change; 331 } 332 333 /** 334 * snd_ac97_update_bits - update the bits on the given register 335 * @ac97: the ac97 instance 336 * @reg: the register to change 337 * @mask: the bit-mask to change 338 * @value: the value to set 339 * 340 * Updates the masked-bits on the given register only when the value 341 * is changed. 342 * 343 * Returns 1 if the bits are changed, 0 if no change, or a negative 344 * code on failure. 345 */ 346 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 347 { 348 int change; 349 350 if (!snd_ac97_valid_reg(ac97, reg)) 351 return -EINVAL; 352 mutex_lock(&ac97->reg_mutex); 353 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 354 mutex_unlock(&ac97->reg_mutex); 355 return change; 356 } 357 358 /* no lock version - see snd_ac97_updat_bits() */ 359 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 360 unsigned short mask, unsigned short value) 361 { 362 int change; 363 unsigned short old, new; 364 365 old = snd_ac97_read_cache(ac97, reg); 366 new = (old & ~mask) | value; 367 change = old != new; 368 if (change) { 369 ac97->regs[reg] = new; 370 ac97->bus->ops->write(ac97, reg, new); 371 } 372 set_bit(reg, ac97->reg_accessed); 373 return change; 374 } 375 376 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 377 { 378 int change; 379 unsigned short old, new, cfg; 380 381 mutex_lock(&ac97->page_mutex); 382 old = ac97->spec.ad18xx.pcmreg[codec]; 383 new = (old & ~mask) | value; 384 change = old != new; 385 if (change) { 386 mutex_lock(&ac97->reg_mutex); 387 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 388 ac97->spec.ad18xx.pcmreg[codec] = new; 389 /* select single codec */ 390 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 391 (cfg & ~0x7000) | 392 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 393 /* update PCM bits */ 394 ac97->bus->ops->write(ac97, AC97_PCM, new); 395 /* select all codecs */ 396 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 397 cfg | 0x7000); 398 mutex_unlock(&ac97->reg_mutex); 399 } 400 mutex_unlock(&ac97->page_mutex); 401 return change; 402 } 403 404 /* 405 * Controls 406 */ 407 408 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 409 { 410 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 411 412 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 413 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 414 uinfo->value.enumerated.items = e->mask; 415 416 if (uinfo->value.enumerated.item > e->mask - 1) 417 uinfo->value.enumerated.item = e->mask - 1; 418 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 419 return 0; 420 } 421 422 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 423 { 424 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 425 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 426 unsigned short val, bitmask; 427 428 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 429 ; 430 val = snd_ac97_read_cache(ac97, e->reg); 431 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 432 if (e->shift_l != e->shift_r) 433 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 434 435 return 0; 436 } 437 438 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 439 { 440 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 441 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 442 unsigned short val; 443 unsigned short mask, bitmask; 444 445 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 446 ; 447 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 448 return -EINVAL; 449 val = ucontrol->value.enumerated.item[0] << e->shift_l; 450 mask = (bitmask - 1) << e->shift_l; 451 if (e->shift_l != e->shift_r) { 452 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 453 return -EINVAL; 454 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 455 mask |= (bitmask - 1) << e->shift_r; 456 } 457 return snd_ac97_update_bits(ac97, e->reg, mask, val); 458 } 459 460 /* save/restore ac97 v2.3 paging */ 461 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 462 { 463 int page_save = -1; 464 if ((kcontrol->private_value & (1<<25)) && 465 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 466 (reg >= 0x60 && reg < 0x70)) { 467 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 468 mutex_lock(&ac97->page_mutex); /* lock paging */ 469 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 470 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 471 } 472 return page_save; 473 } 474 475 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 476 { 477 if (page_save >= 0) { 478 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 479 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 480 } 481 } 482 483 /* volume and switch controls */ 484 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 485 { 486 int mask = (kcontrol->private_value >> 16) & 0xff; 487 int shift = (kcontrol->private_value >> 8) & 0x0f; 488 int rshift = (kcontrol->private_value >> 12) & 0x0f; 489 490 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 491 uinfo->count = shift == rshift ? 1 : 2; 492 uinfo->value.integer.min = 0; 493 uinfo->value.integer.max = mask; 494 return 0; 495 } 496 497 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 498 { 499 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 500 int reg = kcontrol->private_value & 0xff; 501 int shift = (kcontrol->private_value >> 8) & 0x0f; 502 int rshift = (kcontrol->private_value >> 12) & 0x0f; 503 int mask = (kcontrol->private_value >> 16) & 0xff; 504 int invert = (kcontrol->private_value >> 24) & 0x01; 505 int page_save; 506 507 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 508 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 509 if (shift != rshift) 510 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 511 if (invert) { 512 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 513 if (shift != rshift) 514 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 515 } 516 snd_ac97_page_restore(ac97, page_save); 517 return 0; 518 } 519 520 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 521 { 522 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 523 int reg = kcontrol->private_value & 0xff; 524 int shift = (kcontrol->private_value >> 8) & 0x0f; 525 int rshift = (kcontrol->private_value >> 12) & 0x0f; 526 int mask = (kcontrol->private_value >> 16) & 0xff; 527 int invert = (kcontrol->private_value >> 24) & 0x01; 528 int err, page_save; 529 unsigned short val, val2, val_mask; 530 531 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 532 val = (ucontrol->value.integer.value[0] & mask); 533 if (invert) 534 val = mask - val; 535 val_mask = mask << shift; 536 val = val << shift; 537 if (shift != rshift) { 538 val2 = (ucontrol->value.integer.value[1] & mask); 539 if (invert) 540 val2 = mask - val2; 541 val_mask |= mask << rshift; 542 val |= val2 << rshift; 543 } 544 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 545 snd_ac97_page_restore(ac97, page_save); 546 return err; 547 } 548 549 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 550 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 551 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 552 }; 553 554 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 555 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 556 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 557 }; 558 559 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 560 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), 561 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) 562 }; 563 564 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 565 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 566 567 568 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 569 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 570 static const char* std_mix[] = {"Mix", "Mic"}; 571 static const char* std_mic[] = {"Mic1", "Mic2"}; 572 573 static const struct ac97_enum std_enum[] = { 574 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 575 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 576 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 577 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 578 }; 579 580 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 581 AC97_ENUM("Capture Source", std_enum[0]); 582 583 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 584 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 585 586 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 587 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 588 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 589 }; 590 591 enum { 592 AC97_GENERAL_PCM_OUT = 0, 593 AC97_GENERAL_STEREO_ENHANCEMENT, 594 AC97_GENERAL_3D, 595 AC97_GENERAL_LOUDNESS, 596 AC97_GENERAL_MONO, 597 AC97_GENERAL_MIC, 598 AC97_GENERAL_LOOPBACK 599 }; 600 601 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 602 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 603 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 604 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 605 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 606 AC97_ENUM("Mono Output Select", std_enum[2]), 607 AC97_ENUM("Mic Select", std_enum[3]), 608 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 609 }; 610 611 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 612 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 613 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 614 }; 615 616 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 617 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 618 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 619 }; 620 621 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 622 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 623 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 624 }; 625 626 static const struct snd_kcontrol_new snd_ac97_control_eapd = 627 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 628 629 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 630 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 631 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 632 }; 633 634 /* change the existing EAPD control as inverted */ 635 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 636 { 637 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 638 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 639 ac97->scaps |= AC97_SCAP_INV_EAPD; 640 } 641 642 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 643 { 644 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 645 uinfo->count = 1; 646 return 0; 647 } 648 649 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 650 { 651 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 652 IEC958_AES0_NONAUDIO | 653 IEC958_AES0_CON_EMPHASIS_5015 | 654 IEC958_AES0_CON_NOT_COPYRIGHT; 655 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 656 IEC958_AES1_CON_ORIGINAL; 657 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 658 return 0; 659 } 660 661 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 662 { 663 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 664 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 665 IEC958_AES0_NONAUDIO | 666 IEC958_AES0_PRO_FS | 667 IEC958_AES0_PRO_EMPHASIS_5015; 668 return 0; 669 } 670 671 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 672 { 673 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 674 675 mutex_lock(&ac97->reg_mutex); 676 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 677 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 678 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 679 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 680 mutex_unlock(&ac97->reg_mutex); 681 return 0; 682 } 683 684 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 685 { 686 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 687 unsigned int new = 0; 688 unsigned short val = 0; 689 int change; 690 691 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 692 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 693 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 694 switch (new & IEC958_AES0_PRO_FS) { 695 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 696 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 697 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 698 default: val |= 1<<12; break; 699 } 700 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 701 val |= 1<<3; 702 } else { 703 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 704 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 705 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 706 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 707 val |= 1<<3; 708 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 709 val |= 1<<2; 710 val |= ((new >> 8) & 0xff) << 4; // category + original 711 switch ((new >> 24) & 0xff) { 712 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 713 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 714 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 715 default: val |= 1<<12; break; 716 } 717 } 718 719 mutex_lock(&ac97->reg_mutex); 720 change = ac97->spdif_status != new; 721 ac97->spdif_status = new; 722 723 if (ac97->flags & AC97_CS_SPDIF) { 724 int x = (val >> 12) & 0x03; 725 switch (x) { 726 case 0: x = 1; break; // 44.1 727 case 2: x = 0; break; // 48.0 728 default: x = 0; break; // illegal. 729 } 730 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 731 } else if (ac97->flags & AC97_CX_SPDIF) { 732 int v; 733 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 734 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 735 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 736 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 737 v); 738 } else { 739 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 740 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 741 742 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 743 if (extst & AC97_EA_SPDIF) { 744 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 745 } 746 } 747 mutex_unlock(&ac97->reg_mutex); 748 749 return change; 750 } 751 752 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 753 { 754 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 755 int reg = kcontrol->private_value & 0xff; 756 int shift = (kcontrol->private_value >> 8) & 0xff; 757 int mask = (kcontrol->private_value >> 16) & 0xff; 758 // int invert = (kcontrol->private_value >> 24) & 0xff; 759 unsigned short value, old, new; 760 int change; 761 762 value = (ucontrol->value.integer.value[0] & mask); 763 764 mutex_lock(&ac97->reg_mutex); 765 mask <<= shift; 766 value <<= shift; 767 old = snd_ac97_read_cache(ac97, reg); 768 new = (old & ~mask) | value; 769 change = old != new; 770 771 if (change) { 772 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 773 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 774 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 775 if (extst & AC97_EA_SPDIF) 776 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 777 } 778 mutex_unlock(&ac97->reg_mutex); 779 return change; 780 } 781 782 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 783 { 784 .access = SNDRV_CTL_ELEM_ACCESS_READ, 785 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 786 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 787 .info = snd_ac97_spdif_mask_info, 788 .get = snd_ac97_spdif_cmask_get, 789 }, 790 { 791 .access = SNDRV_CTL_ELEM_ACCESS_READ, 792 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 793 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 794 .info = snd_ac97_spdif_mask_info, 795 .get = snd_ac97_spdif_pmask_get, 796 }, 797 { 798 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 799 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 800 .info = snd_ac97_spdif_mask_info, 801 .get = snd_ac97_spdif_default_get, 802 .put = snd_ac97_spdif_default_put, 803 }, 804 805 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 806 { 807 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 808 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 809 .info = snd_ac97_info_volsw, 810 .get = snd_ac97_get_volsw, 811 .put = snd_ac97_put_spsa, 812 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 813 }, 814 }; 815 816 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 817 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 818 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 819 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 820 821 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 822 { 823 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 824 int mask = (kcontrol->private_value >> 16) & 0x0f; 825 int lshift = (kcontrol->private_value >> 8) & 0x0f; 826 int rshift = (kcontrol->private_value >> 12) & 0x0f; 827 828 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 829 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 830 uinfo->count = 2; 831 else 832 uinfo->count = 1; 833 uinfo->value.integer.min = 0; 834 uinfo->value.integer.max = mask; 835 return 0; 836 } 837 838 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 839 { 840 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 841 int codec = kcontrol->private_value & 3; 842 int lshift = (kcontrol->private_value >> 8) & 0x0f; 843 int rshift = (kcontrol->private_value >> 12) & 0x0f; 844 int mask = (kcontrol->private_value >> 16) & 0xff; 845 846 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 847 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 848 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 849 return 0; 850 } 851 852 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 853 { 854 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 855 int codec = kcontrol->private_value & 3; 856 int lshift = (kcontrol->private_value >> 8) & 0x0f; 857 int rshift = (kcontrol->private_value >> 12) & 0x0f; 858 int mask = (kcontrol->private_value >> 16) & 0xff; 859 unsigned short val, valmask; 860 861 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 862 valmask = mask << lshift; 863 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 864 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 865 valmask |= mask << rshift; 866 } 867 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 868 } 869 870 #define AD18XX_PCM_VOLUME(xname, codec) \ 871 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 872 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 873 .private_value = codec } 874 875 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 876 { 877 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 878 uinfo->count = 2; 879 uinfo->value.integer.min = 0; 880 uinfo->value.integer.max = 31; 881 return 0; 882 } 883 884 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 885 { 886 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 887 int codec = kcontrol->private_value & 3; 888 889 mutex_lock(&ac97->page_mutex); 890 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 891 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 892 mutex_unlock(&ac97->page_mutex); 893 return 0; 894 } 895 896 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 897 { 898 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 899 int codec = kcontrol->private_value & 3; 900 unsigned short val1, val2; 901 902 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 903 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 904 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 905 } 906 907 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 908 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 909 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 910 }; 911 912 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 913 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 914 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 915 }; 916 917 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 918 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 919 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 920 }; 921 922 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 923 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 924 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 925 }; 926 927 /* 928 * 929 */ 930 931 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 932 933 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 934 { 935 if (bus) { 936 snd_ac97_bus_proc_done(bus); 937 kfree(bus->pcms); 938 if (bus->private_free) 939 bus->private_free(bus); 940 kfree(bus); 941 } 942 return 0; 943 } 944 945 static int snd_ac97_bus_dev_free(struct snd_device *device) 946 { 947 struct snd_ac97_bus *bus = device->device_data; 948 return snd_ac97_bus_free(bus); 949 } 950 951 static int snd_ac97_free(struct snd_ac97 *ac97) 952 { 953 if (ac97) { 954 snd_ac97_proc_done(ac97); 955 if (ac97->bus) 956 ac97->bus->codec[ac97->num] = NULL; 957 if (ac97->private_free) 958 ac97->private_free(ac97); 959 kfree(ac97); 960 } 961 return 0; 962 } 963 964 static int snd_ac97_dev_free(struct snd_device *device) 965 { 966 struct snd_ac97 *ac97 = device->device_data; 967 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 968 return snd_ac97_free(ac97); 969 } 970 971 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 972 { 973 unsigned short val, mask = 0x8000; 974 975 if (! snd_ac97_valid_reg(ac97, reg)) 976 return 0; 977 978 switch (reg) { 979 case AC97_MASTER_TONE: 980 return ac97->caps & 0x04 ? 1 : 0; 981 case AC97_HEADPHONE: 982 return ac97->caps & 0x10 ? 1 : 0; 983 case AC97_REC_GAIN_MIC: 984 return ac97->caps & 0x01 ? 1 : 0; 985 case AC97_3D_CONTROL: 986 if (ac97->caps & 0x7c00) { 987 val = snd_ac97_read(ac97, reg); 988 /* if nonzero - fixed and we can't set it */ 989 return val == 0; 990 } 991 return 0; 992 case AC97_CENTER_LFE_MASTER: /* center */ 993 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 994 return 0; 995 break; 996 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 997 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 998 return 0; 999 reg = AC97_CENTER_LFE_MASTER; 1000 mask = 0x0080; 1001 break; 1002 case AC97_SURROUND_MASTER: 1003 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1004 return 0; 1005 break; 1006 } 1007 1008 val = snd_ac97_read(ac97, reg); 1009 if (!(val & mask)) { 1010 /* nothing seems to be here - mute flag is not set */ 1011 /* try another test */ 1012 snd_ac97_write_cache(ac97, reg, val | mask); 1013 val = snd_ac97_read(ac97, reg); 1014 val = snd_ac97_read(ac97, reg); 1015 if (!(val & mask)) 1016 return 0; /* nothing here */ 1017 } 1018 return 1; /* success, useable */ 1019 } 1020 1021 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1022 { 1023 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1024 unsigned char max[3] = { 63, 31, 15 }; 1025 int i; 1026 1027 /* first look up the static resolution table */ 1028 if (ac97->res_table) { 1029 const struct snd_ac97_res_table *tbl; 1030 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1031 if (tbl->reg == reg) { 1032 *lo_max = tbl->bits & 0xff; 1033 *hi_max = (tbl->bits >> 8) & 0xff; 1034 return; 1035 } 1036 } 1037 } 1038 1039 *lo_max = *hi_max = 0; 1040 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1041 unsigned short val; 1042 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); 1043 /* Do the read twice due to buffers on some ac97 codecs. 1044 * e.g. The STAC9704 returns exactly what you wrote the the register 1045 * if you read it immediately. This causes the detect routine to fail. 1046 */ 1047 val = snd_ac97_read(ac97, reg); 1048 val = snd_ac97_read(ac97, reg); 1049 if (! *lo_max && (val & 0x7f) == cbit[i]) 1050 *lo_max = max[i]; 1051 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1052 *hi_max = max[i]; 1053 if (*lo_max && *hi_max) 1054 break; 1055 } 1056 } 1057 1058 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1059 { 1060 unsigned short mask, val, orig, res; 1061 1062 mask = 1 << bit; 1063 orig = snd_ac97_read(ac97, reg); 1064 val = orig ^ mask; 1065 snd_ac97_write(ac97, reg, val); 1066 res = snd_ac97_read(ac97, reg); 1067 snd_ac97_write_cache(ac97, reg, orig); 1068 return res == val; 1069 } 1070 1071 /* check the volume resolution of center/lfe */ 1072 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1073 { 1074 unsigned short val, val1; 1075 1076 *max = 63; 1077 val = 0x8080 | (0x20 << shift); 1078 snd_ac97_write(ac97, reg, val); 1079 val1 = snd_ac97_read(ac97, reg); 1080 if (val != val1) { 1081 *max = 31; 1082 } 1083 /* reset volume to zero */ 1084 snd_ac97_write_cache(ac97, reg, 0x8080); 1085 } 1086 1087 static inline int printable(unsigned int x) 1088 { 1089 x &= 0xff; 1090 if (x < ' ' || x >= 0x71) { 1091 if (x <= 0x89) 1092 return x - 0x71 + 'A'; 1093 return '?'; 1094 } 1095 return x; 1096 } 1097 1098 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97) 1099 { 1100 struct snd_kcontrol_new template; 1101 memcpy(&template, _template, sizeof(template)); 1102 template.index = ac97->num; 1103 return snd_ctl_new1(&template, ac97); 1104 } 1105 1106 /* 1107 * create mute switch(es) for normal stereo controls 1108 */ 1109 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, int check_stereo, struct snd_ac97 *ac97) 1110 { 1111 struct snd_kcontrol *kctl; 1112 int err; 1113 unsigned short val, val1, mute_mask; 1114 1115 if (! snd_ac97_valid_reg(ac97, reg)) 1116 return 0; 1117 1118 mute_mask = 0x8000; 1119 val = snd_ac97_read(ac97, reg); 1120 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1121 /* check whether both mute bits work */ 1122 val1 = val | 0x8080; 1123 snd_ac97_write(ac97, reg, val1); 1124 if (val1 == snd_ac97_read(ac97, reg)) 1125 mute_mask = 0x8080; 1126 } 1127 if (mute_mask == 0x8080) { 1128 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1129 tmp.index = ac97->num; 1130 kctl = snd_ctl_new1(&tmp, ac97); 1131 } else { 1132 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1133 tmp.index = ac97->num; 1134 kctl = snd_ctl_new1(&tmp, ac97); 1135 } 1136 err = snd_ctl_add(card, kctl); 1137 if (err < 0) 1138 return err; 1139 /* mute as default */ 1140 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1141 return 0; 1142 } 1143 1144 /* 1145 * create a volume for normal stereo/mono controls 1146 */ 1147 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1148 unsigned int hi_max, struct snd_ac97 *ac97) 1149 { 1150 int err; 1151 struct snd_kcontrol *kctl; 1152 1153 if (! snd_ac97_valid_reg(ac97, reg)) 1154 return 0; 1155 if (hi_max) { 1156 /* invert */ 1157 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1158 tmp.index = ac97->num; 1159 kctl = snd_ctl_new1(&tmp, ac97); 1160 } else { 1161 /* invert */ 1162 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1163 tmp.index = ac97->num; 1164 kctl = snd_ctl_new1(&tmp, ac97); 1165 } 1166 err = snd_ctl_add(card, kctl); 1167 if (err < 0) 1168 return err; 1169 snd_ac97_write_cache(ac97, reg, 1170 (snd_ac97_read(ac97, reg) & 0x8080) | 1171 lo_max | (hi_max << 8)); 1172 return 0; 1173 } 1174 1175 /* 1176 * create a mute-switch and a volume for normal stereo/mono controls 1177 */ 1178 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, int reg, int check_stereo, struct snd_ac97 *ac97) 1179 { 1180 int err; 1181 char name[44]; 1182 unsigned char lo_max, hi_max; 1183 1184 if (! snd_ac97_valid_reg(ac97, reg)) 1185 return 0; 1186 1187 if (snd_ac97_try_bit(ac97, reg, 15)) { 1188 sprintf(name, "%s Switch", pfx); 1189 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0) 1190 return err; 1191 } 1192 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1193 if (lo_max) { 1194 sprintf(name, "%s Volume", pfx); 1195 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1196 return err; 1197 } 1198 return 0; 1199 } 1200 1201 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97) 1202 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97) 1203 1204 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1205 1206 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1207 { 1208 struct snd_card *card = ac97->bus->card; 1209 struct snd_kcontrol *kctl; 1210 int err; 1211 unsigned int idx; 1212 unsigned char max; 1213 1214 /* build master controls */ 1215 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1216 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1217 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1218 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97); 1219 else 1220 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97); 1221 if (err < 0) 1222 return err; 1223 } 1224 1225 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; 1226 1227 /* build center controls */ 1228 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) { 1229 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1230 return err; 1231 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1232 return err; 1233 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1234 kctl->private_value &= ~(0xff << 16); 1235 kctl->private_value |= (int)max << 16; 1236 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1237 } 1238 1239 /* build LFE controls */ 1240 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) { 1241 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1242 return err; 1243 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1244 return err; 1245 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &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 << 8); 1249 } 1250 1251 /* build surround controls */ 1252 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) { 1253 /* Surround Master (0x38) is with stereo mutes */ 1254 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0) 1255 return err; 1256 } 1257 1258 /* build headphone controls */ 1259 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1260 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0) 1261 return err; 1262 } 1263 1264 /* build master mono controls */ 1265 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1266 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0) 1267 return err; 1268 } 1269 1270 /* build master tone controls */ 1271 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1272 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1273 for (idx = 0; idx < 2; idx++) { 1274 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1275 return err; 1276 if (ac97->id == AC97_ID_YMF753) { 1277 kctl->private_value &= ~(0xff << 16); 1278 kctl->private_value |= 7 << 16; 1279 } 1280 } 1281 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1282 } 1283 } 1284 1285 /* build PC Speaker controls */ 1286 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1287 ((ac97->flags & AC97_HAS_PC_BEEP) || 1288 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1289 for (idx = 0; idx < 2; idx++) 1290 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1291 return err; 1292 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 1293 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); 1294 } 1295 1296 /* build Phone controls */ 1297 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1298 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1299 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0) 1300 return err; 1301 } 1302 } 1303 1304 /* build MIC controls */ 1305 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1306 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1307 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0) 1308 return err; 1309 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1310 return err; 1311 } 1312 } 1313 1314 /* build Line controls */ 1315 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1316 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0) 1317 return err; 1318 } 1319 1320 /* build CD controls */ 1321 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1322 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1323 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0) 1324 return err; 1325 } 1326 } 1327 1328 /* build Video controls */ 1329 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1330 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1331 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0) 1332 return err; 1333 } 1334 } 1335 1336 /* build Aux controls */ 1337 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1338 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0) 1339 return err; 1340 } 1341 1342 /* build PCM controls */ 1343 if (ac97->flags & AC97_AD_MULTI) { 1344 unsigned short init_val; 1345 if (ac97->flags & AC97_STEREO_MUTES) 1346 init_val = 0x9f9f; 1347 else 1348 init_val = 0x9f1f; 1349 for (idx = 0; idx < 2; idx++) 1350 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1351 return err; 1352 ac97->spec.ad18xx.pcmreg[0] = init_val; 1353 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1354 for (idx = 0; idx < 2; idx++) 1355 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1356 return err; 1357 ac97->spec.ad18xx.pcmreg[1] = init_val; 1358 } 1359 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1360 for (idx = 0; idx < 2; idx++) 1361 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1362 return err; 1363 for (idx = 0; idx < 2; idx++) 1364 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1365 return err; 1366 ac97->spec.ad18xx.pcmreg[2] = init_val; 1367 } 1368 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1369 } else { 1370 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1371 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1372 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97); 1373 else 1374 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97); 1375 if (err < 0) 1376 return err; 1377 } 1378 } 1379 1380 /* build Capture controls */ 1381 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1382 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1383 return err; 1384 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1385 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0) 1386 return err; 1387 } 1388 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1389 return err; 1390 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1391 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1392 } 1393 /* build MIC Capture controls */ 1394 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1395 for (idx = 0; idx < 2; idx++) 1396 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1397 return err; 1398 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1399 } 1400 1401 /* build PCM out path & mute control */ 1402 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1403 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1404 return err; 1405 } 1406 1407 /* build Simulated Stereo Enhancement control */ 1408 if (ac97->caps & 0x0008) { 1409 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1410 return err; 1411 } 1412 1413 /* build 3D Stereo Enhancement control */ 1414 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1415 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1416 return err; 1417 } 1418 1419 /* build Loudness control */ 1420 if (ac97->caps & 0x0020) { 1421 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1422 return err; 1423 } 1424 1425 /* build Mono output select control */ 1426 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1427 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1428 return err; 1429 } 1430 1431 /* build Mic select control */ 1432 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1433 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1434 return err; 1435 } 1436 1437 /* build ADC/DAC loopback control */ 1438 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1439 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1440 return err; 1441 } 1442 1443 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1444 1445 /* build 3D controls */ 1446 if (ac97->build_ops->build_3d) { 1447 ac97->build_ops->build_3d(ac97); 1448 } else { 1449 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1450 unsigned short val; 1451 val = 0x0707; 1452 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1453 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1454 val = val == 0x0606; 1455 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1456 return err; 1457 if (val) 1458 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1459 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1460 return err; 1461 if (val) 1462 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1463 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1464 } 1465 } 1466 1467 /* build S/PDIF controls */ 1468 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1469 if (ac97->build_ops->build_spdif) { 1470 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1471 return err; 1472 } else { 1473 for (idx = 0; idx < 5; idx++) 1474 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1475 return err; 1476 if (ac97->build_ops->build_post_spdif) { 1477 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1478 return err; 1479 } 1480 /* set default PCM S/PDIF params */ 1481 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1482 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1483 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1484 } 1485 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1486 } 1487 1488 /* build chip specific controls */ 1489 if (ac97->build_ops->build_specific) 1490 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1491 return err; 1492 1493 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1494 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1495 if (! kctl) 1496 return -ENOMEM; 1497 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1498 set_inv_eapd(ac97, kctl); 1499 if ((err = snd_ctl_add(card, kctl)) < 0) 1500 return err; 1501 } 1502 1503 return 0; 1504 } 1505 1506 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1507 { 1508 int err, idx; 1509 1510 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG)); 1511 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1512 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1513 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1514 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1515 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1516 1517 /* build modem switches */ 1518 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1519 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1520 return err; 1521 1522 /* build chip specific controls */ 1523 if (ac97->build_ops->build_specific) 1524 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1525 return err; 1526 1527 return 0; 1528 } 1529 1530 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1531 { 1532 unsigned short val; 1533 unsigned int tmp; 1534 1535 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1536 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1537 if (shadow_reg) 1538 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1539 val = snd_ac97_read(ac97, reg); 1540 return val == (tmp & 0xffff); 1541 } 1542 1543 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1544 { 1545 unsigned int result = 0; 1546 unsigned short saved; 1547 1548 if (ac97->bus->no_vra) { 1549 *r_result = SNDRV_PCM_RATE_48000; 1550 if ((ac97->flags & AC97_DOUBLE_RATE) && 1551 reg == AC97_PCM_FRONT_DAC_RATE) 1552 *r_result |= SNDRV_PCM_RATE_96000; 1553 return; 1554 } 1555 1556 saved = snd_ac97_read(ac97, reg); 1557 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1558 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1559 AC97_EA_DRA, 0); 1560 /* test a non-standard rate */ 1561 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1562 result |= SNDRV_PCM_RATE_CONTINUOUS; 1563 /* let's try to obtain standard rates */ 1564 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1565 result |= SNDRV_PCM_RATE_8000; 1566 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1567 result |= SNDRV_PCM_RATE_11025; 1568 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1569 result |= SNDRV_PCM_RATE_16000; 1570 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1571 result |= SNDRV_PCM_RATE_22050; 1572 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1573 result |= SNDRV_PCM_RATE_32000; 1574 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1575 result |= SNDRV_PCM_RATE_44100; 1576 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1577 result |= SNDRV_PCM_RATE_48000; 1578 if ((ac97->flags & AC97_DOUBLE_RATE) && 1579 reg == AC97_PCM_FRONT_DAC_RATE) { 1580 /* test standard double rates */ 1581 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1582 AC97_EA_DRA, AC97_EA_DRA); 1583 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1584 result |= SNDRV_PCM_RATE_64000; 1585 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1586 result |= SNDRV_PCM_RATE_88200; 1587 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1588 result |= SNDRV_PCM_RATE_96000; 1589 /* some codecs don't support variable double rates */ 1590 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1591 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1592 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1593 AC97_EA_DRA, 0); 1594 } 1595 /* restore the default value */ 1596 snd_ac97_write_cache(ac97, reg, saved); 1597 if (shadow_reg) 1598 snd_ac97_write_cache(ac97, shadow_reg, saved); 1599 *r_result = result; 1600 } 1601 1602 /* check AC97_SPDIF register to accept which sample rates */ 1603 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1604 { 1605 unsigned int result = 0; 1606 int i; 1607 static unsigned short ctl_bits[] = { 1608 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1609 }; 1610 static unsigned int rate_bits[] = { 1611 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1612 }; 1613 1614 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1615 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1616 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1617 result |= rate_bits[i]; 1618 } 1619 return result; 1620 } 1621 1622 /* look for the codec id table matching with the given id */ 1623 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1624 unsigned int id) 1625 { 1626 const struct ac97_codec_id *pid; 1627 1628 for (pid = table; pid->id; pid++) 1629 if (pid->id == (id & pid->mask)) 1630 return pid; 1631 return NULL; 1632 } 1633 1634 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1635 { 1636 const struct ac97_codec_id *pid; 1637 1638 sprintf(name, "0x%x %c%c%c", id, 1639 printable(id >> 24), 1640 printable(id >> 16), 1641 printable(id >> 8)); 1642 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1643 if (! pid) 1644 return; 1645 1646 strcpy(name, pid->name); 1647 if (ac97 && pid->patch) { 1648 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1649 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1650 pid->patch(ac97); 1651 } 1652 1653 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1654 if (pid) { 1655 strcat(name, " "); 1656 strcat(name, pid->name); 1657 if (pid->mask != 0xffffffff) 1658 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1659 if (ac97 && pid->patch) { 1660 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1661 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1662 pid->patch(ac97); 1663 } 1664 } else 1665 sprintf(name + strlen(name), " id %x", id & 0xff); 1666 } 1667 1668 /** 1669 * snd_ac97_get_short_name - retrieve codec name 1670 * @ac97: the codec instance 1671 * 1672 * Returns the short identifying name of the codec. 1673 */ 1674 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1675 { 1676 const struct ac97_codec_id *pid; 1677 1678 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1679 if (pid->id == (ac97->id & pid->mask)) 1680 return pid->name; 1681 return "unknown codec"; 1682 } 1683 1684 1685 /* wait for a while until registers are accessible after RESET 1686 * return 0 if ok, negative not ready 1687 */ 1688 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1689 { 1690 unsigned long end_time; 1691 unsigned short val; 1692 1693 end_time = jiffies + timeout; 1694 do { 1695 1696 /* use preliminary reads to settle the communication */ 1697 snd_ac97_read(ac97, AC97_RESET); 1698 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1699 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1700 /* modem? */ 1701 if (with_modem) { 1702 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1703 if (val != 0xffff && (val & 1) != 0) 1704 return 0; 1705 } 1706 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1707 /* probably only Xbox issue - all registers are read as zero */ 1708 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1709 if (val != 0 && val != 0xffff) 1710 return 0; 1711 } else { 1712 /* because the PCM or MASTER volume registers can be modified, 1713 * the REC_GAIN register is used for tests 1714 */ 1715 /* test if we can write to the record gain volume register */ 1716 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1717 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1718 return 0; 1719 } 1720 schedule_timeout_uninterruptible(1); 1721 } while (time_after_eq(end_time, jiffies)); 1722 return -ENODEV; 1723 } 1724 1725 /** 1726 * snd_ac97_bus - create an AC97 bus component 1727 * @card: the card instance 1728 * @num: the bus number 1729 * @ops: the bus callbacks table 1730 * @private_data: private data pointer for the new instance 1731 * @rbus: the pointer to store the new AC97 bus instance. 1732 * 1733 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1734 * allocated and initialized. 1735 * 1736 * The ops table must include valid callbacks (at least read and 1737 * write). The other callbacks, wait and reset, are not mandatory. 1738 * 1739 * The clock is set to 48000. If another clock is needed, set 1740 * (*rbus)->clock manually. 1741 * 1742 * The AC97 bus instance is registered as a low-level device, so you don't 1743 * have to release it manually. 1744 * 1745 * Returns zero if successful, or a negative error code on failure. 1746 */ 1747 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1748 void *private_data, struct snd_ac97_bus **rbus) 1749 { 1750 int err; 1751 struct snd_ac97_bus *bus; 1752 static struct snd_device_ops dev_ops = { 1753 .dev_free = snd_ac97_bus_dev_free, 1754 }; 1755 1756 snd_assert(card != NULL, return -EINVAL); 1757 snd_assert(rbus != NULL, return -EINVAL); 1758 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1759 if (bus == NULL) 1760 return -ENOMEM; 1761 bus->card = card; 1762 bus->num = num; 1763 bus->ops = ops; 1764 bus->private_data = private_data; 1765 bus->clock = 48000; 1766 spin_lock_init(&bus->bus_lock); 1767 snd_ac97_bus_proc_init(bus); 1768 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1769 snd_ac97_bus_free(bus); 1770 return err; 1771 } 1772 *rbus = bus; 1773 return 0; 1774 } 1775 1776 /* stop no dev release warning */ 1777 static void ac97_device_release(struct device * dev) 1778 { 1779 } 1780 1781 /* register ac97 codec to bus */ 1782 static int snd_ac97_dev_register(struct snd_device *device) 1783 { 1784 struct snd_ac97 *ac97 = device->device_data; 1785 int err; 1786 1787 ac97->dev.bus = &ac97_bus_type; 1788 ac97->dev.parent = ac97->bus->card->dev; 1789 ac97->dev.release = ac97_device_release; 1790 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s", 1791 ac97->bus->card->number, ac97->num, 1792 snd_ac97_get_short_name(ac97)); 1793 if ((err = device_register(&ac97->dev)) < 0) { 1794 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1795 ac97->dev.bus = NULL; 1796 return err; 1797 } 1798 return 0; 1799 } 1800 1801 /* unregister ac97 codec */ 1802 static int snd_ac97_dev_unregister(struct snd_device *device) 1803 { 1804 struct snd_ac97 *ac97 = device->device_data; 1805 if (ac97->dev.bus) 1806 device_unregister(&ac97->dev); 1807 return snd_ac97_free(ac97); 1808 } 1809 1810 /* build_ops to do nothing */ 1811 static struct snd_ac97_build_ops null_build_ops; 1812 1813 /** 1814 * snd_ac97_mixer - create an Codec97 component 1815 * @bus: the AC97 bus which codec is attached to 1816 * @template: the template of ac97, including index, callbacks and 1817 * the private data. 1818 * @rac97: the pointer to store the new ac97 instance. 1819 * 1820 * Creates an Codec97 component. An struct snd_ac97 instance is newly 1821 * allocated and initialized from the template. The codec 1822 * is then initialized by the standard procedure. 1823 * 1824 * The template must include the codec number (num) and address (addr), 1825 * and the private data (private_data). 1826 * 1827 * The ac97 instance is registered as a low-level device, so you don't 1828 * have to release it manually. 1829 * 1830 * Returns zero if successful, or a negative error code on failure. 1831 */ 1832 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 1833 { 1834 int err; 1835 struct snd_ac97 *ac97; 1836 struct snd_card *card; 1837 char name[64]; 1838 unsigned long end_time; 1839 unsigned int reg; 1840 const struct ac97_codec_id *pid; 1841 static struct snd_device_ops ops = { 1842 .dev_free = snd_ac97_dev_free, 1843 .dev_register = snd_ac97_dev_register, 1844 .dev_unregister = snd_ac97_dev_unregister, 1845 }; 1846 1847 snd_assert(rac97 != NULL, return -EINVAL); 1848 *rac97 = NULL; 1849 snd_assert(bus != NULL && template != NULL, return -EINVAL); 1850 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL); 1851 1852 card = bus->card; 1853 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 1854 if (ac97 == NULL) 1855 return -ENOMEM; 1856 ac97->private_data = template->private_data; 1857 ac97->private_free = template->private_free; 1858 ac97->bus = bus; 1859 ac97->pci = template->pci; 1860 ac97->num = template->num; 1861 ac97->addr = template->addr; 1862 ac97->scaps = template->scaps; 1863 ac97->res_table = template->res_table; 1864 bus->codec[ac97->num] = ac97; 1865 mutex_init(&ac97->reg_mutex); 1866 mutex_init(&ac97->page_mutex); 1867 1868 #ifdef CONFIG_PCI 1869 if (ac97->pci) { 1870 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 1871 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 1872 } 1873 #endif 1874 if (bus->ops->reset) { 1875 bus->ops->reset(ac97); 1876 goto __access_ok; 1877 } 1878 1879 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 1880 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 1881 if (ac97->id && ac97->id != (unsigned int)-1) { 1882 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 1883 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 1884 goto __access_ok; 1885 } 1886 1887 /* reset to defaults */ 1888 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 1889 snd_ac97_write(ac97, AC97_RESET, 0); 1890 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 1891 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 1892 if (bus->ops->wait) 1893 bus->ops->wait(ac97); 1894 else { 1895 udelay(50); 1896 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 1897 err = ac97_reset_wait(ac97, HZ/2, 1); 1898 else { 1899 err = ac97_reset_wait(ac97, HZ/2, 0); 1900 if (err < 0) 1901 err = ac97_reset_wait(ac97, HZ/2, 1); 1902 } 1903 if (err < 0) { 1904 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 1905 /* proceed anyway - it's often non-critical */ 1906 } 1907 } 1908 __access_ok: 1909 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 1910 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 1911 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 1912 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 1913 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 1914 snd_ac97_free(ac97); 1915 return -EIO; 1916 } 1917 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 1918 if (pid) 1919 ac97->flags |= pid->flags; 1920 1921 /* test for AC'97 */ 1922 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 1923 /* test if we can write to the record gain volume register */ 1924 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 1925 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 1926 ac97->scaps |= AC97_SCAP_AUDIO; 1927 } 1928 if (ac97->scaps & AC97_SCAP_AUDIO) { 1929 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 1930 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 1931 if (ac97->ext_id == 0xffff) /* invalid combination */ 1932 ac97->ext_id = 0; 1933 } 1934 1935 /* test for MC'97 */ 1936 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 1937 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1938 if (ac97->ext_mid == 0xffff) /* invalid combination */ 1939 ac97->ext_mid = 0; 1940 if (ac97->ext_mid & 1) 1941 ac97->scaps |= AC97_SCAP_MODEM; 1942 } 1943 1944 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 1945 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 1946 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 1947 snd_ac97_free(ac97); 1948 return -EACCES; 1949 } 1950 1951 if (bus->ops->reset) // FIXME: always skipping? 1952 goto __ready_ok; 1953 1954 /* FIXME: add powerdown control */ 1955 if (ac97_is_audio(ac97)) { 1956 /* nothing should be in powerdown mode */ 1957 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 1958 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 1959 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 1960 udelay(100); 1961 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 1962 } 1963 /* nothing should be in powerdown mode */ 1964 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 1965 end_time = jiffies + (HZ / 10); 1966 do { 1967 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 1968 goto __ready_ok; 1969 schedule_timeout_uninterruptible(1); 1970 } while (time_after_eq(end_time, jiffies)); 1971 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 1972 } 1973 1974 /* FIXME: add powerdown control */ 1975 if (ac97_is_modem(ac97)) { 1976 unsigned char tmp; 1977 1978 /* nothing should be in powerdown mode */ 1979 /* note: it's important to set the rate at first */ 1980 tmp = AC97_MEA_GPIO; 1981 if (ac97->ext_mid & AC97_MEI_LINE1) { 1982 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 1983 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 1984 } 1985 if (ac97->ext_mid & AC97_MEI_LINE2) { 1986 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 1987 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 1988 } 1989 if (ac97->ext_mid & AC97_MEI_HANDSET) { 1990 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 1991 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 1992 } 1993 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 1994 udelay(100); 1995 /* nothing should be in powerdown mode */ 1996 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 1997 end_time = jiffies + (HZ / 10); 1998 do { 1999 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2000 goto __ready_ok; 2001 schedule_timeout_uninterruptible(1); 2002 } while (time_after_eq(end_time, jiffies)); 2003 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2004 } 2005 2006 __ready_ok: 2007 if (ac97_is_audio(ac97)) 2008 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2009 else 2010 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2011 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2012 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2013 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2014 if (! bus->no_vra) 2015 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2016 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2017 } 2018 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2019 /* Intel controllers require double rate data to be put in 2020 * slots 7+8, so let's hope the codec supports it. */ 2021 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2022 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2023 ac97->flags |= AC97_DOUBLE_RATE; 2024 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2025 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2026 } 2027 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2028 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2029 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2030 } else { 2031 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2032 if (ac97->flags & AC97_DOUBLE_RATE) 2033 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2034 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2035 } 2036 if (ac97->ext_id & AC97_EI_SPDIF) { 2037 /* codec specific code (patch) should override these values */ 2038 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2039 } 2040 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2041 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2042 } else { 2043 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2044 } 2045 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2046 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2047 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2048 } 2049 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2050 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2051 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2052 } 2053 /* additional initializations */ 2054 if (bus->ops->init) 2055 bus->ops->init(ac97); 2056 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2057 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2058 if (! ac97->build_ops) 2059 ac97->build_ops = &null_build_ops; 2060 2061 if (ac97_is_audio(ac97)) { 2062 char comp[16]; 2063 if (card->mixername[0] == '\0') { 2064 strcpy(card->mixername, name); 2065 } else { 2066 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2067 strcat(card->mixername, ","); 2068 strcat(card->mixername, name); 2069 } 2070 } 2071 sprintf(comp, "AC97a:%08x", ac97->id); 2072 if ((err = snd_component_add(card, comp)) < 0) { 2073 snd_ac97_free(ac97); 2074 return err; 2075 } 2076 if (snd_ac97_mixer_build(ac97) < 0) { 2077 snd_ac97_free(ac97); 2078 return -ENOMEM; 2079 } 2080 } 2081 if (ac97_is_modem(ac97)) { 2082 char comp[16]; 2083 if (card->mixername[0] == '\0') { 2084 strcpy(card->mixername, name); 2085 } else { 2086 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2087 strcat(card->mixername, ","); 2088 strcat(card->mixername, name); 2089 } 2090 } 2091 sprintf(comp, "AC97m:%08x", ac97->id); 2092 if ((err = snd_component_add(card, comp)) < 0) { 2093 snd_ac97_free(ac97); 2094 return err; 2095 } 2096 if (snd_ac97_modem_build(card, ac97) < 0) { 2097 snd_ac97_free(ac97); 2098 return -ENOMEM; 2099 } 2100 } 2101 /* make sure the proper powerdown bits are cleared */ 2102 if (ac97->scaps && ac97_is_audio(ac97)) { 2103 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2104 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2105 reg &= ~AC97_EA_PRJ; 2106 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2107 reg &= ~(AC97_EA_PRI | AC97_EA_PRK); 2108 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2109 } 2110 snd_ac97_proc_init(ac97); 2111 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2112 snd_ac97_free(ac97); 2113 return err; 2114 } 2115 *rac97 = ac97; 2116 return 0; 2117 } 2118 2119 2120 /* 2121 * Power down the chip. 2122 * 2123 * MASTER and HEADPHONE registers are muted but the register cache values 2124 * are not changed, so that the values can be restored in snd_ac97_resume(). 2125 */ 2126 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2127 { 2128 unsigned short power; 2129 2130 if (ac97_is_audio(ac97)) { 2131 /* some codecs have stereo mute bits */ 2132 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2133 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2134 } 2135 2136 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */ 2137 power |= 0x4000; /* Headphone amplifier powerdown */ 2138 power |= 0x0300; /* ADC & DAC powerdown */ 2139 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2140 udelay(100); 2141 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */ 2142 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2143 udelay(100); 2144 #if 0 2145 /* FIXME: this causes click noises on some boards at resume */ 2146 power |= 0x3800; /* AC-link powerdown, internal Clk disable */ 2147 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2148 #endif 2149 } 2150 2151 2152 #ifdef CONFIG_PM 2153 /** 2154 * snd_ac97_suspend - General suspend function for AC97 codec 2155 * @ac97: the ac97 instance 2156 * 2157 * Suspends the codec, power down the chip. 2158 */ 2159 void snd_ac97_suspend(struct snd_ac97 *ac97) 2160 { 2161 if (! ac97) 2162 return; 2163 if (ac97->build_ops->suspend) 2164 ac97->build_ops->suspend(ac97); 2165 snd_ac97_powerdown(ac97); 2166 } 2167 2168 /* 2169 * restore ac97 status 2170 */ 2171 void snd_ac97_restore_status(struct snd_ac97 *ac97) 2172 { 2173 int i; 2174 2175 for (i = 2; i < 0x7c ; i += 2) { 2176 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2177 continue; 2178 /* restore only accessible registers 2179 * some chip (e.g. nm256) may hang up when unsupported registers 2180 * are accessed..! 2181 */ 2182 if (test_bit(i, ac97->reg_accessed)) { 2183 snd_ac97_write(ac97, i, ac97->regs[i]); 2184 snd_ac97_read(ac97, i); 2185 } 2186 } 2187 } 2188 2189 /* 2190 * restore IEC958 status 2191 */ 2192 void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2193 { 2194 if (ac97->ext_id & AC97_EI_SPDIF) { 2195 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2196 /* reset spdif status */ 2197 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2198 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2199 if (ac97->flags & AC97_CS_SPDIF) 2200 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2201 else 2202 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2203 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2204 } 2205 } 2206 } 2207 2208 /** 2209 * snd_ac97_resume - General resume function for AC97 codec 2210 * @ac97: the ac97 instance 2211 * 2212 * Do the standard resume procedure, power up and restoring the 2213 * old register values. 2214 */ 2215 void snd_ac97_resume(struct snd_ac97 *ac97) 2216 { 2217 unsigned long end_time; 2218 2219 if (! ac97) 2220 return; 2221 2222 if (ac97->bus->ops->reset) { 2223 ac97->bus->ops->reset(ac97); 2224 goto __reset_ready; 2225 } 2226 2227 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2228 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2229 snd_ac97_write(ac97, AC97_RESET, 0); 2230 udelay(100); 2231 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2232 } 2233 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2234 2235 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2236 if (ac97_is_audio(ac97)) { 2237 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2238 end_time = jiffies + msecs_to_jiffies(100); 2239 do { 2240 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2241 break; 2242 schedule_timeout_uninterruptible(1); 2243 } while (time_after_eq(end_time, jiffies)); 2244 /* FIXME: extra delay */ 2245 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); 2246 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) 2247 msleep(250); 2248 } else { 2249 end_time = jiffies + msecs_to_jiffies(100); 2250 do { 2251 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2252 if (val != 0xffff && (val & 1) != 0) 2253 break; 2254 schedule_timeout_uninterruptible(1); 2255 } while (time_after_eq(end_time, jiffies)); 2256 } 2257 __reset_ready: 2258 2259 if (ac97->bus->ops->init) 2260 ac97->bus->ops->init(ac97); 2261 2262 if (ac97->build_ops->resume) 2263 ac97->build_ops->resume(ac97); 2264 else { 2265 snd_ac97_restore_status(ac97); 2266 snd_ac97_restore_iec958(ac97); 2267 } 2268 } 2269 #endif 2270 2271 2272 /* 2273 * Hardware tuning 2274 */ 2275 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2276 { 2277 if (suffix) 2278 sprintf(dst, "%s %s", src, suffix); 2279 else 2280 strcpy(dst, src); 2281 } 2282 2283 /* remove the control with the given name and optional suffix */ 2284 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix) 2285 { 2286 struct snd_ctl_elem_id id; 2287 memset(&id, 0, sizeof(id)); 2288 set_ctl_name(id.name, name, suffix); 2289 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2290 return snd_ctl_remove_id(ac97->bus->card, &id); 2291 } 2292 2293 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2294 { 2295 struct snd_ctl_elem_id sid; 2296 memset(&sid, 0, sizeof(sid)); 2297 set_ctl_name(sid.name, name, suffix); 2298 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2299 return snd_ctl_find_id(ac97->bus->card, &sid); 2300 } 2301 2302 /* rename the control with the given name and optional suffix */ 2303 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix) 2304 { 2305 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2306 if (kctl) { 2307 set_ctl_name(kctl->id.name, dst, suffix); 2308 return 0; 2309 } 2310 return -ENOENT; 2311 } 2312 2313 /* rename both Volume and Switch controls - don't check the return value */ 2314 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst) 2315 { 2316 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2317 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2318 } 2319 2320 /* swap controls */ 2321 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix) 2322 { 2323 struct snd_kcontrol *kctl1, *kctl2; 2324 kctl1 = ctl_find(ac97, s1, suffix); 2325 kctl2 = ctl_find(ac97, s2, suffix); 2326 if (kctl1 && kctl2) { 2327 set_ctl_name(kctl1->id.name, s2, suffix); 2328 set_ctl_name(kctl2->id.name, s1, suffix); 2329 return 0; 2330 } 2331 return -ENOENT; 2332 } 2333 2334 #if 1 2335 /* bind hp and master controls instead of using only hp control */ 2336 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2337 { 2338 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2339 if (err > 0) { 2340 unsigned long priv_saved = kcontrol->private_value; 2341 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2342 snd_ac97_put_volsw(kcontrol, ucontrol); 2343 kcontrol->private_value = priv_saved; 2344 } 2345 return err; 2346 } 2347 2348 /* ac97 tune: bind Master and Headphone controls */ 2349 static int tune_hp_only(struct snd_ac97 *ac97) 2350 { 2351 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2352 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2353 if (! msw || ! mvol) 2354 return -ENOENT; 2355 msw->put = bind_hp_volsw_put; 2356 mvol->put = bind_hp_volsw_put; 2357 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2358 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2359 return 0; 2360 } 2361 2362 #else 2363 /* ac97 tune: use Headphone control as master */ 2364 static int tune_hp_only(struct snd_ac97 *ac97) 2365 { 2366 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2367 return -ENOENT; 2368 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2369 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2370 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2371 return 0; 2372 } 2373 #endif 2374 2375 /* ac97 tune: swap Headphone and Master controls */ 2376 static int tune_swap_hp(struct snd_ac97 *ac97) 2377 { 2378 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2379 return -ENOENT; 2380 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2381 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2382 return 0; 2383 } 2384 2385 /* ac97 tune: swap Surround and Master controls */ 2386 static int tune_swap_surround(struct snd_ac97 *ac97) 2387 { 2388 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2389 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2390 return -ENOENT; 2391 return 0; 2392 } 2393 2394 /* ac97 tune: set up mic sharing for AD codecs */ 2395 static int tune_ad_sharing(struct snd_ac97 *ac97) 2396 { 2397 unsigned short scfg; 2398 if ((ac97->id & 0xffffff00) != 0x41445300) { 2399 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2400 return -EINVAL; 2401 } 2402 /* Turn on OMS bit to route microphone to back panel */ 2403 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2404 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2405 return 0; 2406 } 2407 2408 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2409 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2410 2411 /* ac97 tune: set up ALC jack-select */ 2412 static int tune_alc_jack(struct snd_ac97 *ac97) 2413 { 2414 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2415 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2416 return -EINVAL; 2417 } 2418 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2419 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2420 if (ac97->id == AC97_ID_ALC658D) 2421 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2422 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2423 } 2424 2425 /* ac97 tune: inversed EAPD bit */ 2426 static int tune_inv_eapd(struct snd_ac97 *ac97) 2427 { 2428 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2429 if (! kctl) 2430 return -ENOENT; 2431 set_inv_eapd(ac97, kctl); 2432 return 0; 2433 } 2434 2435 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2436 { 2437 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2438 if (err > 0) { 2439 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2440 int shift = (kcontrol->private_value >> 8) & 0x0f; 2441 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2442 unsigned short mask; 2443 if (shift != rshift) 2444 mask = 0x8080; 2445 else 2446 mask = 0x8000; 2447 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2448 (ac97->regs[AC97_MASTER] & mask) == mask ? 2449 0x8000 : 0); 2450 } 2451 return err; 2452 } 2453 2454 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2455 static int tune_mute_led(struct snd_ac97 *ac97) 2456 { 2457 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2458 if (! msw) 2459 return -ENOENT; 2460 msw->put = master_mute_sw_put; 2461 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2462 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2463 return 0; 2464 } 2465 2466 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2467 struct snd_ctl_elem_value *ucontrol) 2468 { 2469 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2470 if (err > 0) { 2471 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2472 int shift = (kcontrol->private_value >> 8) & 0x0f; 2473 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2474 unsigned short mask; 2475 if (shift != rshift) 2476 mask = 0x8080; 2477 else 2478 mask = 0x8000; 2479 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2480 (ac97->regs[AC97_MASTER] & mask) == mask ? 2481 0x8000 : 0); 2482 } 2483 return err; 2484 } 2485 2486 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2487 { 2488 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2489 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2490 if (! msw || ! mvol) 2491 return -ENOENT; 2492 msw->put = hp_master_mute_sw_put; 2493 mvol->put = bind_hp_volsw_put; 2494 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2495 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2496 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2497 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2498 return 0; 2499 } 2500 2501 struct quirk_table { 2502 const char *name; 2503 int (*func)(struct snd_ac97 *); 2504 }; 2505 2506 static struct quirk_table applicable_quirks[] = { 2507 { "none", NULL }, 2508 { "hp_only", tune_hp_only }, 2509 { "swap_hp", tune_swap_hp }, 2510 { "swap_surround", tune_swap_surround }, 2511 { "ad_sharing", tune_ad_sharing }, 2512 { "alc_jack", tune_alc_jack }, 2513 { "inv_eapd", tune_inv_eapd }, 2514 { "mute_led", tune_mute_led }, 2515 { "hp_mute_led", tune_hp_mute_led }, 2516 }; 2517 2518 /* apply the quirk with the given type */ 2519 static int apply_quirk(struct snd_ac97 *ac97, int type) 2520 { 2521 if (type <= 0) 2522 return 0; 2523 else if (type >= ARRAY_SIZE(applicable_quirks)) 2524 return -EINVAL; 2525 if (applicable_quirks[type].func) 2526 return applicable_quirks[type].func(ac97); 2527 return 0; 2528 } 2529 2530 /* apply the quirk with the given name */ 2531 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2532 { 2533 int i; 2534 struct quirk_table *q; 2535 2536 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2537 q = &applicable_quirks[i]; 2538 if (q->name && ! strcmp(typestr, q->name)) 2539 return apply_quirk(ac97, i); 2540 } 2541 /* for compatibility, accept the numbers, too */ 2542 if (*typestr >= '0' && *typestr <= '9') 2543 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2544 return -EINVAL; 2545 } 2546 2547 /** 2548 * snd_ac97_tune_hardware - tune up the hardware 2549 * @ac97: the ac97 instance 2550 * @quirk: quirk list 2551 * @override: explicit quirk value (overrides the list if non-NULL) 2552 * 2553 * Do some workaround for each pci device, such as renaming of the 2554 * headphone (true line-out) control as "Master". 2555 * The quirk-list must be terminated with a zero-filled entry. 2556 * 2557 * Returns zero if successful, or a negative error code on failure. 2558 */ 2559 2560 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) 2561 { 2562 int result; 2563 2564 /* quirk overriden? */ 2565 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2566 result = apply_quirk_str(ac97, override); 2567 if (result < 0) 2568 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2569 return result; 2570 } 2571 2572 if (! quirk) 2573 return -EINVAL; 2574 2575 for (; quirk->subvendor; quirk++) { 2576 if (quirk->subvendor != ac97->subsystem_vendor) 2577 continue; 2578 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2579 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2580 if (quirk->codec_id && quirk->codec_id != ac97->id) 2581 continue; 2582 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2583 result = apply_quirk(ac97, quirk->type); 2584 if (result < 0) 2585 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2586 return result; 2587 } 2588 } 2589 return 0; 2590 } 2591 2592 2593 /* 2594 * Exported symbols 2595 */ 2596 2597 EXPORT_SYMBOL(snd_ac97_write); 2598 EXPORT_SYMBOL(snd_ac97_read); 2599 EXPORT_SYMBOL(snd_ac97_write_cache); 2600 EXPORT_SYMBOL(snd_ac97_update); 2601 EXPORT_SYMBOL(snd_ac97_update_bits); 2602 EXPORT_SYMBOL(snd_ac97_get_short_name); 2603 EXPORT_SYMBOL(snd_ac97_bus); 2604 EXPORT_SYMBOL(snd_ac97_mixer); 2605 EXPORT_SYMBOL(snd_ac97_pcm_assign); 2606 EXPORT_SYMBOL(snd_ac97_pcm_open); 2607 EXPORT_SYMBOL(snd_ac97_pcm_close); 2608 EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules); 2609 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2610 EXPORT_SYMBOL(snd_ac97_set_rate); 2611 #ifdef CONFIG_PM 2612 EXPORT_SYMBOL(snd_ac97_resume); 2613 EXPORT_SYMBOL(snd_ac97_suspend); 2614 #endif 2615 2616 /* 2617 * INIT part 2618 */ 2619 2620 static int __init alsa_ac97_init(void) 2621 { 2622 return 0; 2623 } 2624 2625 static void __exit alsa_ac97_exit(void) 2626 { 2627 } 2628 2629 module_init(alsa_ac97_init) 2630 module_exit(alsa_ac97_exit) 2631