1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz> 3 * Universal interface for Audio Codec '97 4 * 5 * For more details look to AC '97 component specification revision 2.2 6 * by Intel Corporation (http://developer.intel.com). 7 * 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 */ 24 25 #include <sound/driver.h> 26 #include <linux/delay.h> 27 #include <linux/init.h> 28 #include <linux/slab.h> 29 #include <linux/pci.h> 30 #include <linux/moduleparam.h> 31 #include <linux/mutex.h> 32 #include <sound/core.h> 33 #include <sound/pcm.h> 34 #include <sound/ac97_codec.h> 35 #include <sound/asoundef.h> 36 #include <sound/initval.h> 37 #include "ac97_local.h" 38 #include "ac97_id.h" 39 #include "ac97_patch.h" 40 41 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 42 MODULE_DESCRIPTION("Universal interface for Audio Codec '97"); 43 MODULE_LICENSE("GPL"); 44 45 static int enable_loopback; 46 47 module_param(enable_loopback, bool, 0444); 48 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control"); 49 50 /* 51 52 */ 53 54 struct ac97_codec_id { 55 unsigned int id; 56 unsigned int mask; 57 const char *name; 58 int (*patch)(struct snd_ac97 *ac97); 59 int (*mpatch)(struct snd_ac97 *ac97); 60 unsigned int flags; 61 }; 62 63 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = { 64 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, 65 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, 66 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, 67 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL }, 68 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, 69 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, 70 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, 71 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, 72 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, 73 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, 74 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, 75 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, 76 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, 77 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, 78 { 0x50534300, 0xffffff00, "Philips", NULL, NULL }, 79 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, 80 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, 81 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, 82 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, 83 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, 84 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, 85 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, 86 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, 87 { 0, 0, NULL, NULL, NULL } 88 }; 89 90 static const struct ac97_codec_id snd_ac97_codec_ids[] = { 91 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, 92 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, 93 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, 94 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, 95 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, 96 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, 97 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, 98 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, 99 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, 100 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, 101 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, 102 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, 103 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, 104 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, 105 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, 106 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, 107 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, 108 { 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL }, 109 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, 110 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, 111 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ 112 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ 113 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ 114 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, 115 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, 116 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ 117 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 118 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 119 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 120 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 121 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 122 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL }, 123 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, 124 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, 125 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, 126 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 127 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 128 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 129 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, 130 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, 131 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, 132 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, 133 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, 134 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, 135 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, 136 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, 137 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, 138 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II 139 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different 140 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 141 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028? 142 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 143 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 144 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 145 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 146 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 147 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 148 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 149 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 150 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 151 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 152 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 153 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix 154 { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL }, 155 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 156 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 157 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 158 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 159 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 160 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 161 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 162 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 163 { 0x56494182, 0xffffffff, "VIA1618", NULL, NULL }, 164 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 165 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL }, 166 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 167 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 168 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 169 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 170 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL}, 171 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 172 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL }, 173 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 174 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 175 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 176 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 177 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 178 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 179 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 180 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 181 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 182 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 183 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 184 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 185 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 186 { 0, 0, NULL, NULL, NULL } 187 }; 188 189 190 /* 191 * I/O routines 192 */ 193 194 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 195 { 196 /* filter some registers for buggy codecs */ 197 switch (ac97->id) { 198 case AC97_ID_AK4540: 199 case AC97_ID_AK4542: 200 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 201 return 1; 202 return 0; 203 case AC97_ID_AD1819: /* AD1819 */ 204 case AC97_ID_AD1881: /* AD1881 */ 205 case AC97_ID_AD1881A: /* AD1881A */ 206 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 207 return 0; 208 return 1; 209 case AC97_ID_AD1885: /* AD1885 */ 210 case AC97_ID_AD1886: /* AD1886 */ 211 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 212 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 213 if (reg == 0x5a) 214 return 1; 215 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 216 return 0; 217 return 1; 218 case AC97_ID_STAC9700: 219 case AC97_ID_STAC9704: 220 case AC97_ID_STAC9705: 221 case AC97_ID_STAC9708: 222 case AC97_ID_STAC9721: 223 case AC97_ID_STAC9744: 224 case AC97_ID_STAC9756: 225 if (reg <= 0x3a || reg >= 0x5a) 226 return 1; 227 return 0; 228 } 229 return 1; 230 } 231 232 /** 233 * snd_ac97_write - write a value on the given register 234 * @ac97: the ac97 instance 235 * @reg: the register to change 236 * @value: the value to set 237 * 238 * Writes a value on the given register. This will invoke the write 239 * callback directly after the register check. 240 * This function doesn't change the register cache unlike 241 * #snd_ca97_write_cache(), so use this only when you don't want to 242 * reflect the change to the suspend/resume state. 243 */ 244 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 245 { 246 if (!snd_ac97_valid_reg(ac97, reg)) 247 return; 248 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 249 /* Fix H/W bug of ALC100/100P */ 250 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 251 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 252 } 253 ac97->bus->ops->write(ac97, reg, value); 254 } 255 256 /** 257 * snd_ac97_read - read a value from the given register 258 * 259 * @ac97: the ac97 instance 260 * @reg: the register to read 261 * 262 * Reads a value from the given register. This will invoke the read 263 * callback directly after the register check. 264 * 265 * Returns the read value. 266 */ 267 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 268 { 269 if (!snd_ac97_valid_reg(ac97, reg)) 270 return 0; 271 return ac97->bus->ops->read(ac97, reg); 272 } 273 274 /* read a register - return the cached value if already read */ 275 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 276 { 277 if (! test_bit(reg, ac97->reg_accessed)) { 278 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 279 // set_bit(reg, ac97->reg_accessed); 280 } 281 return ac97->regs[reg]; 282 } 283 284 /** 285 * snd_ac97_write_cache - write a value on the given register and update the cache 286 * @ac97: the ac97 instance 287 * @reg: the register to change 288 * @value: the value to set 289 * 290 * Writes a value on the given register and updates the register 291 * cache. The cached values are used for the cached-read and the 292 * suspend/resume. 293 */ 294 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 295 { 296 if (!snd_ac97_valid_reg(ac97, reg)) 297 return; 298 mutex_lock(&ac97->reg_mutex); 299 ac97->regs[reg] = value; 300 ac97->bus->ops->write(ac97, reg, value); 301 set_bit(reg, ac97->reg_accessed); 302 mutex_unlock(&ac97->reg_mutex); 303 } 304 305 /** 306 * snd_ac97_update - update the value on the given register 307 * @ac97: the ac97 instance 308 * @reg: the register to change 309 * @value: the value to set 310 * 311 * Compares the value with the register cache and updates the value 312 * only when the value is changed. 313 * 314 * Returns 1 if the value is changed, 0 if no change, or a negative 315 * code on failure. 316 */ 317 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 318 { 319 int change; 320 321 if (!snd_ac97_valid_reg(ac97, reg)) 322 return -EINVAL; 323 mutex_lock(&ac97->reg_mutex); 324 change = ac97->regs[reg] != value; 325 if (change) { 326 ac97->regs[reg] = value; 327 ac97->bus->ops->write(ac97, reg, value); 328 } 329 set_bit(reg, ac97->reg_accessed); 330 mutex_unlock(&ac97->reg_mutex); 331 return change; 332 } 333 334 /** 335 * snd_ac97_update_bits - update the bits on the given register 336 * @ac97: the ac97 instance 337 * @reg: the register to change 338 * @mask: the bit-mask to change 339 * @value: the value to set 340 * 341 * Updates the masked-bits on the given register only when the value 342 * is changed. 343 * 344 * Returns 1 if the bits are changed, 0 if no change, or a negative 345 * code on failure. 346 */ 347 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 348 { 349 int change; 350 351 if (!snd_ac97_valid_reg(ac97, reg)) 352 return -EINVAL; 353 mutex_lock(&ac97->reg_mutex); 354 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 355 mutex_unlock(&ac97->reg_mutex); 356 return change; 357 } 358 359 /* no lock version - see snd_ac97_updat_bits() */ 360 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 361 unsigned short mask, unsigned short value) 362 { 363 int change; 364 unsigned short old, new; 365 366 old = snd_ac97_read_cache(ac97, reg); 367 new = (old & ~mask) | value; 368 change = old != new; 369 if (change) { 370 ac97->regs[reg] = new; 371 ac97->bus->ops->write(ac97, reg, new); 372 } 373 set_bit(reg, ac97->reg_accessed); 374 return change; 375 } 376 377 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 378 { 379 int change; 380 unsigned short old, new, cfg; 381 382 mutex_lock(&ac97->page_mutex); 383 old = ac97->spec.ad18xx.pcmreg[codec]; 384 new = (old & ~mask) | value; 385 change = old != new; 386 if (change) { 387 mutex_lock(&ac97->reg_mutex); 388 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 389 ac97->spec.ad18xx.pcmreg[codec] = new; 390 /* select single codec */ 391 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 392 (cfg & ~0x7000) | 393 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 394 /* update PCM bits */ 395 ac97->bus->ops->write(ac97, AC97_PCM, new); 396 /* select all codecs */ 397 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 398 cfg | 0x7000); 399 mutex_unlock(&ac97->reg_mutex); 400 } 401 mutex_unlock(&ac97->page_mutex); 402 return change; 403 } 404 405 /* 406 * Controls 407 */ 408 409 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 410 { 411 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 412 413 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 414 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 415 uinfo->value.enumerated.items = e->mask; 416 417 if (uinfo->value.enumerated.item > e->mask - 1) 418 uinfo->value.enumerated.item = e->mask - 1; 419 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 420 return 0; 421 } 422 423 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 424 { 425 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 426 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 427 unsigned short val, bitmask; 428 429 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 430 ; 431 val = snd_ac97_read_cache(ac97, e->reg); 432 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 433 if (e->shift_l != e->shift_r) 434 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 435 436 return 0; 437 } 438 439 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 440 { 441 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 442 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 443 unsigned short val; 444 unsigned short mask, bitmask; 445 446 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 447 ; 448 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 449 return -EINVAL; 450 val = ucontrol->value.enumerated.item[0] << e->shift_l; 451 mask = (bitmask - 1) << e->shift_l; 452 if (e->shift_l != e->shift_r) { 453 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 454 return -EINVAL; 455 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 456 mask |= (bitmask - 1) << e->shift_r; 457 } 458 return snd_ac97_update_bits(ac97, e->reg, mask, val); 459 } 460 461 /* save/restore ac97 v2.3 paging */ 462 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 463 { 464 int page_save = -1; 465 if ((kcontrol->private_value & (1<<25)) && 466 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 467 (reg >= 0x60 && reg < 0x70)) { 468 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 469 mutex_lock(&ac97->page_mutex); /* lock paging */ 470 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 471 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 472 } 473 return page_save; 474 } 475 476 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 477 { 478 if (page_save >= 0) { 479 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 480 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 481 } 482 } 483 484 /* volume and switch controls */ 485 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 486 { 487 int mask = (kcontrol->private_value >> 16) & 0xff; 488 int shift = (kcontrol->private_value >> 8) & 0x0f; 489 int rshift = (kcontrol->private_value >> 12) & 0x0f; 490 491 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 492 uinfo->count = shift == rshift ? 1 : 2; 493 uinfo->value.integer.min = 0; 494 uinfo->value.integer.max = mask; 495 return 0; 496 } 497 498 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 499 { 500 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 501 int reg = kcontrol->private_value & 0xff; 502 int shift = (kcontrol->private_value >> 8) & 0x0f; 503 int rshift = (kcontrol->private_value >> 12) & 0x0f; 504 int mask = (kcontrol->private_value >> 16) & 0xff; 505 int invert = (kcontrol->private_value >> 24) & 0x01; 506 int page_save; 507 508 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 509 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 510 if (shift != rshift) 511 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 512 if (invert) { 513 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 514 if (shift != rshift) 515 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 516 } 517 snd_ac97_page_restore(ac97, page_save); 518 return 0; 519 } 520 521 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 522 { 523 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 524 int reg = kcontrol->private_value & 0xff; 525 int shift = (kcontrol->private_value >> 8) & 0x0f; 526 int rshift = (kcontrol->private_value >> 12) & 0x0f; 527 int mask = (kcontrol->private_value >> 16) & 0xff; 528 int invert = (kcontrol->private_value >> 24) & 0x01; 529 int err, page_save; 530 unsigned short val, val2, val_mask; 531 532 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 533 val = (ucontrol->value.integer.value[0] & mask); 534 if (invert) 535 val = mask - val; 536 val_mask = mask << shift; 537 val = val << shift; 538 if (shift != rshift) { 539 val2 = (ucontrol->value.integer.value[1] & mask); 540 if (invert) 541 val2 = mask - val2; 542 val_mask |= mask << rshift; 543 val |= val2 << rshift; 544 } 545 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 546 snd_ac97_page_restore(ac97, page_save); 547 return err; 548 } 549 550 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { 551 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 552 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 553 }; 554 555 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 556 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 557 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 558 }; 559 560 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 561 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), 562 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) 563 }; 564 565 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 566 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 567 568 569 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 570 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 571 static const char* std_mix[] = {"Mix", "Mic"}; 572 static const char* std_mic[] = {"Mic1", "Mic2"}; 573 574 static const struct ac97_enum std_enum[] = { 575 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 576 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 577 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 578 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 579 }; 580 581 static const struct snd_kcontrol_new snd_ac97_control_capture_src = 582 AC97_ENUM("Capture Source", std_enum[0]); 583 584 static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 585 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 586 587 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 588 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 589 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 590 }; 591 592 enum { 593 AC97_GENERAL_PCM_OUT = 0, 594 AC97_GENERAL_STEREO_ENHANCEMENT, 595 AC97_GENERAL_3D, 596 AC97_GENERAL_LOUDNESS, 597 AC97_GENERAL_MONO, 598 AC97_GENERAL_MIC, 599 AC97_GENERAL_LOOPBACK 600 }; 601 602 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 603 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 604 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 605 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 606 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 607 AC97_ENUM("Mono Output Select", std_enum[2]), 608 AC97_ENUM("Mic Select", std_enum[3]), 609 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 610 }; 611 612 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 613 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 614 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 615 }; 616 617 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 618 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 619 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 620 }; 621 622 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 623 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 624 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 625 }; 626 627 static const struct snd_kcontrol_new snd_ac97_control_eapd = 628 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 629 630 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 631 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 632 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 633 }; 634 635 /* change the existing EAPD control as inverted */ 636 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 637 { 638 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 639 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 640 ac97->scaps |= AC97_SCAP_INV_EAPD; 641 } 642 643 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 644 { 645 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 646 uinfo->count = 1; 647 return 0; 648 } 649 650 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 651 { 652 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 653 IEC958_AES0_NONAUDIO | 654 IEC958_AES0_CON_EMPHASIS_5015 | 655 IEC958_AES0_CON_NOT_COPYRIGHT; 656 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 657 IEC958_AES1_CON_ORIGINAL; 658 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 659 return 0; 660 } 661 662 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 663 { 664 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 665 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 666 IEC958_AES0_NONAUDIO | 667 IEC958_AES0_PRO_FS | 668 IEC958_AES0_PRO_EMPHASIS_5015; 669 return 0; 670 } 671 672 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 673 { 674 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 675 676 mutex_lock(&ac97->reg_mutex); 677 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 678 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 679 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 680 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 681 mutex_unlock(&ac97->reg_mutex); 682 return 0; 683 } 684 685 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 686 { 687 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 688 unsigned int new = 0; 689 unsigned short val = 0; 690 int change; 691 692 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 693 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 694 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 695 switch (new & IEC958_AES0_PRO_FS) { 696 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 697 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 698 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 699 default: val |= 1<<12; break; 700 } 701 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 702 val |= 1<<3; 703 } else { 704 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 705 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 706 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 707 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 708 val |= 1<<3; 709 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 710 val |= 1<<2; 711 val |= ((new >> 8) & 0xff) << 4; // category + original 712 switch ((new >> 24) & 0xff) { 713 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 714 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 715 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 716 default: val |= 1<<12; break; 717 } 718 } 719 720 mutex_lock(&ac97->reg_mutex); 721 change = ac97->spdif_status != new; 722 ac97->spdif_status = new; 723 724 if (ac97->flags & AC97_CS_SPDIF) { 725 int x = (val >> 12) & 0x03; 726 switch (x) { 727 case 0: x = 1; break; // 44.1 728 case 2: x = 0; break; // 48.0 729 default: x = 0; break; // illegal. 730 } 731 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 732 } else if (ac97->flags & AC97_CX_SPDIF) { 733 int v; 734 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 735 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 736 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 737 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 738 v); 739 } else { 740 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 741 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 742 743 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 744 if (extst & AC97_EA_SPDIF) { 745 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 746 } 747 } 748 mutex_unlock(&ac97->reg_mutex); 749 750 return change; 751 } 752 753 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 754 { 755 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 756 int reg = kcontrol->private_value & 0xff; 757 int shift = (kcontrol->private_value >> 8) & 0xff; 758 int mask = (kcontrol->private_value >> 16) & 0xff; 759 // int invert = (kcontrol->private_value >> 24) & 0xff; 760 unsigned short value, old, new; 761 int change; 762 763 value = (ucontrol->value.integer.value[0] & mask); 764 765 mutex_lock(&ac97->reg_mutex); 766 mask <<= shift; 767 value <<= shift; 768 old = snd_ac97_read_cache(ac97, reg); 769 new = (old & ~mask) | value; 770 change = old != new; 771 772 if (change) { 773 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 774 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 775 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 776 if (extst & AC97_EA_SPDIF) 777 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 778 } 779 mutex_unlock(&ac97->reg_mutex); 780 return change; 781 } 782 783 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 784 { 785 .access = SNDRV_CTL_ELEM_ACCESS_READ, 786 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 787 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 788 .info = snd_ac97_spdif_mask_info, 789 .get = snd_ac97_spdif_cmask_get, 790 }, 791 { 792 .access = SNDRV_CTL_ELEM_ACCESS_READ, 793 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 794 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 795 .info = snd_ac97_spdif_mask_info, 796 .get = snd_ac97_spdif_pmask_get, 797 }, 798 { 799 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 800 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 801 .info = snd_ac97_spdif_mask_info, 802 .get = snd_ac97_spdif_default_get, 803 .put = snd_ac97_spdif_default_put, 804 }, 805 806 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 807 { 808 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 809 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 810 .info = snd_ac97_info_volsw, 811 .get = snd_ac97_get_volsw, 812 .put = snd_ac97_put_spsa, 813 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 814 }, 815 }; 816 817 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 818 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 819 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 820 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 821 822 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 823 { 824 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 825 int mask = (kcontrol->private_value >> 16) & 0x0f; 826 int lshift = (kcontrol->private_value >> 8) & 0x0f; 827 int rshift = (kcontrol->private_value >> 12) & 0x0f; 828 829 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 830 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 831 uinfo->count = 2; 832 else 833 uinfo->count = 1; 834 uinfo->value.integer.min = 0; 835 uinfo->value.integer.max = mask; 836 return 0; 837 } 838 839 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 840 { 841 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 842 int codec = kcontrol->private_value & 3; 843 int lshift = (kcontrol->private_value >> 8) & 0x0f; 844 int rshift = (kcontrol->private_value >> 12) & 0x0f; 845 int mask = (kcontrol->private_value >> 16) & 0xff; 846 847 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 848 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 849 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 850 return 0; 851 } 852 853 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 854 { 855 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 856 int codec = kcontrol->private_value & 3; 857 int lshift = (kcontrol->private_value >> 8) & 0x0f; 858 int rshift = (kcontrol->private_value >> 12) & 0x0f; 859 int mask = (kcontrol->private_value >> 16) & 0xff; 860 unsigned short val, valmask; 861 862 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 863 valmask = mask << lshift; 864 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 865 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 866 valmask |= mask << rshift; 867 } 868 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 869 } 870 871 #define AD18XX_PCM_VOLUME(xname, codec) \ 872 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 873 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 874 .private_value = codec } 875 876 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 877 { 878 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 879 uinfo->count = 2; 880 uinfo->value.integer.min = 0; 881 uinfo->value.integer.max = 31; 882 return 0; 883 } 884 885 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 886 { 887 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 888 int codec = kcontrol->private_value & 3; 889 890 mutex_lock(&ac97->page_mutex); 891 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 892 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 893 mutex_unlock(&ac97->page_mutex); 894 return 0; 895 } 896 897 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 898 { 899 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 900 int codec = kcontrol->private_value & 3; 901 unsigned short val1, val2; 902 903 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 904 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 905 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 906 } 907 908 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 909 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 910 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 911 }; 912 913 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 914 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 915 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 916 }; 917 918 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 919 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 920 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 921 }; 922 923 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 924 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 925 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 926 }; 927 928 /* 929 * 930 */ 931 932 static void snd_ac97_powerdown(struct snd_ac97 *ac97); 933 934 static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 935 { 936 if (bus) { 937 snd_ac97_bus_proc_done(bus); 938 kfree(bus->pcms); 939 if (bus->private_free) 940 bus->private_free(bus); 941 kfree(bus); 942 } 943 return 0; 944 } 945 946 static int snd_ac97_bus_dev_free(struct snd_device *device) 947 { 948 struct snd_ac97_bus *bus = device->device_data; 949 return snd_ac97_bus_free(bus); 950 } 951 952 static int snd_ac97_free(struct snd_ac97 *ac97) 953 { 954 if (ac97) { 955 snd_ac97_proc_done(ac97); 956 if (ac97->bus) 957 ac97->bus->codec[ac97->num] = NULL; 958 if (ac97->private_free) 959 ac97->private_free(ac97); 960 kfree(ac97); 961 } 962 return 0; 963 } 964 965 static int snd_ac97_dev_free(struct snd_device *device) 966 { 967 struct snd_ac97 *ac97 = device->device_data; 968 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 969 return snd_ac97_free(ac97); 970 } 971 972 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 973 { 974 unsigned short val, mask = 0x8000; 975 976 if (! snd_ac97_valid_reg(ac97, reg)) 977 return 0; 978 979 switch (reg) { 980 case AC97_MASTER_TONE: 981 return ac97->caps & 0x04 ? 1 : 0; 982 case AC97_HEADPHONE: 983 return ac97->caps & 0x10 ? 1 : 0; 984 case AC97_REC_GAIN_MIC: 985 return ac97->caps & 0x01 ? 1 : 0; 986 case AC97_3D_CONTROL: 987 if (ac97->caps & 0x7c00) { 988 val = snd_ac97_read(ac97, reg); 989 /* if nonzero - fixed and we can't set it */ 990 return val == 0; 991 } 992 return 0; 993 case AC97_CENTER_LFE_MASTER: /* center */ 994 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 995 return 0; 996 break; 997 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 998 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 999 return 0; 1000 reg = AC97_CENTER_LFE_MASTER; 1001 mask = 0x0080; 1002 break; 1003 case AC97_SURROUND_MASTER: 1004 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1005 return 0; 1006 break; 1007 } 1008 1009 val = snd_ac97_read(ac97, reg); 1010 if (!(val & mask)) { 1011 /* nothing seems to be here - mute flag is not set */ 1012 /* try another test */ 1013 snd_ac97_write_cache(ac97, reg, val | mask); 1014 val = snd_ac97_read(ac97, reg); 1015 val = snd_ac97_read(ac97, reg); 1016 if (!(val & mask)) 1017 return 0; /* nothing here */ 1018 } 1019 return 1; /* success, useable */ 1020 } 1021 1022 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1023 { 1024 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1025 unsigned char max[3] = { 63, 31, 15 }; 1026 int i; 1027 1028 /* first look up the static resolution table */ 1029 if (ac97->res_table) { 1030 const struct snd_ac97_res_table *tbl; 1031 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1032 if (tbl->reg == reg) { 1033 *lo_max = tbl->bits & 0xff; 1034 *hi_max = (tbl->bits >> 8) & 0xff; 1035 return; 1036 } 1037 } 1038 } 1039 1040 *lo_max = *hi_max = 0; 1041 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1042 unsigned short val; 1043 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); 1044 /* Do the read twice due to buffers on some ac97 codecs. 1045 * e.g. The STAC9704 returns exactly what you wrote the the register 1046 * if you read it immediately. This causes the detect routine to fail. 1047 */ 1048 val = snd_ac97_read(ac97, reg); 1049 val = snd_ac97_read(ac97, reg); 1050 if (! *lo_max && (val & 0x7f) == cbit[i]) 1051 *lo_max = max[i]; 1052 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1053 *hi_max = max[i]; 1054 if (*lo_max && *hi_max) 1055 break; 1056 } 1057 } 1058 1059 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1060 { 1061 unsigned short mask, val, orig, res; 1062 1063 mask = 1 << bit; 1064 orig = snd_ac97_read(ac97, reg); 1065 val = orig ^ mask; 1066 snd_ac97_write(ac97, reg, val); 1067 res = snd_ac97_read(ac97, reg); 1068 snd_ac97_write_cache(ac97, reg, orig); 1069 return res == val; 1070 } 1071 1072 /* check the volume resolution of center/lfe */ 1073 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1074 { 1075 unsigned short val, val1; 1076 1077 *max = 63; 1078 val = 0x8080 | (0x20 << shift); 1079 snd_ac97_write(ac97, reg, val); 1080 val1 = snd_ac97_read(ac97, reg); 1081 if (val != val1) { 1082 *max = 31; 1083 } 1084 /* reset volume to zero */ 1085 snd_ac97_write_cache(ac97, reg, 0x8080); 1086 } 1087 1088 static inline int printable(unsigned int x) 1089 { 1090 x &= 0xff; 1091 if (x < ' ' || x >= 0x71) { 1092 if (x <= 0x89) 1093 return x - 0x71 + 'A'; 1094 return '?'; 1095 } 1096 return x; 1097 } 1098 1099 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97) 1100 { 1101 struct snd_kcontrol_new template; 1102 memcpy(&template, _template, sizeof(template)); 1103 template.index = ac97->num; 1104 return snd_ctl_new1(&template, ac97); 1105 } 1106 1107 /* 1108 * create mute switch(es) for normal stereo controls 1109 */ 1110 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, int check_stereo, struct snd_ac97 *ac97) 1111 { 1112 struct snd_kcontrol *kctl; 1113 int err; 1114 unsigned short val, val1, mute_mask; 1115 1116 if (! snd_ac97_valid_reg(ac97, reg)) 1117 return 0; 1118 1119 mute_mask = 0x8000; 1120 val = snd_ac97_read(ac97, reg); 1121 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1122 /* check whether both mute bits work */ 1123 val1 = val | 0x8080; 1124 snd_ac97_write(ac97, reg, val1); 1125 if (val1 == snd_ac97_read(ac97, reg)) 1126 mute_mask = 0x8080; 1127 } 1128 if (mute_mask == 0x8080) { 1129 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1130 tmp.index = ac97->num; 1131 kctl = snd_ctl_new1(&tmp, ac97); 1132 } else { 1133 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1134 tmp.index = ac97->num; 1135 kctl = snd_ctl_new1(&tmp, ac97); 1136 } 1137 err = snd_ctl_add(card, kctl); 1138 if (err < 0) 1139 return err; 1140 /* mute as default */ 1141 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1142 return 0; 1143 } 1144 1145 /* 1146 * create a volume for normal stereo/mono controls 1147 */ 1148 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1149 unsigned int hi_max, struct snd_ac97 *ac97) 1150 { 1151 int err; 1152 struct snd_kcontrol *kctl; 1153 1154 if (! snd_ac97_valid_reg(ac97, reg)) 1155 return 0; 1156 if (hi_max) { 1157 /* invert */ 1158 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1159 tmp.index = ac97->num; 1160 kctl = snd_ctl_new1(&tmp, ac97); 1161 } else { 1162 /* invert */ 1163 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1164 tmp.index = ac97->num; 1165 kctl = snd_ctl_new1(&tmp, ac97); 1166 } 1167 err = snd_ctl_add(card, kctl); 1168 if (err < 0) 1169 return err; 1170 snd_ac97_write_cache(ac97, reg, 1171 (snd_ac97_read(ac97, reg) & 0x8080) | 1172 lo_max | (hi_max << 8)); 1173 return 0; 1174 } 1175 1176 /* 1177 * create a mute-switch and a volume for normal stereo/mono controls 1178 */ 1179 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, int reg, int check_stereo, struct snd_ac97 *ac97) 1180 { 1181 int err; 1182 char name[44]; 1183 unsigned char lo_max, hi_max; 1184 1185 if (! snd_ac97_valid_reg(ac97, reg)) 1186 return 0; 1187 1188 if (snd_ac97_try_bit(ac97, reg, 15)) { 1189 sprintf(name, "%s Switch", pfx); 1190 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0) 1191 return err; 1192 } 1193 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1194 if (lo_max) { 1195 sprintf(name, "%s Volume", pfx); 1196 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1197 return err; 1198 } 1199 return 0; 1200 } 1201 1202 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97) 1203 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97) 1204 1205 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1206 1207 static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1208 { 1209 struct snd_card *card = ac97->bus->card; 1210 struct snd_kcontrol *kctl; 1211 int err; 1212 unsigned int idx; 1213 unsigned char max; 1214 1215 /* build master controls */ 1216 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1217 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1218 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1219 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97); 1220 else 1221 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97); 1222 if (err < 0) 1223 return err; 1224 } 1225 1226 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; 1227 1228 /* build center controls */ 1229 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) { 1230 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1231 return err; 1232 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1233 return err; 1234 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1235 kctl->private_value &= ~(0xff << 16); 1236 kctl->private_value |= (int)max << 16; 1237 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1238 } 1239 1240 /* build LFE controls */ 1241 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) { 1242 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1243 return err; 1244 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1245 return err; 1246 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1247 kctl->private_value &= ~(0xff << 16); 1248 kctl->private_value |= (int)max << 16; 1249 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1250 } 1251 1252 /* build surround controls */ 1253 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) { 1254 /* Surround Master (0x38) is with stereo mutes */ 1255 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0) 1256 return err; 1257 } 1258 1259 /* build headphone controls */ 1260 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1261 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0) 1262 return err; 1263 } 1264 1265 /* build master mono controls */ 1266 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1267 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0) 1268 return err; 1269 } 1270 1271 /* build master tone controls */ 1272 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1273 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1274 for (idx = 0; idx < 2; idx++) { 1275 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1276 return err; 1277 if (ac97->id == AC97_ID_YMF753) { 1278 kctl->private_value &= ~(0xff << 16); 1279 kctl->private_value |= 7 << 16; 1280 } 1281 } 1282 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1283 } 1284 } 1285 1286 /* build PC Speaker controls */ 1287 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1288 ((ac97->flags & AC97_HAS_PC_BEEP) || 1289 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1290 for (idx = 0; idx < 2; idx++) 1291 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1292 return err; 1293 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 1294 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); 1295 } 1296 1297 /* build Phone controls */ 1298 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1299 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1300 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0) 1301 return err; 1302 } 1303 } 1304 1305 /* build MIC controls */ 1306 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1307 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1308 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0) 1309 return err; 1310 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1311 return err; 1312 } 1313 } 1314 1315 /* build Line controls */ 1316 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1317 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0) 1318 return err; 1319 } 1320 1321 /* build CD controls */ 1322 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1323 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1324 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0) 1325 return err; 1326 } 1327 } 1328 1329 /* build Video controls */ 1330 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1331 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1332 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0) 1333 return err; 1334 } 1335 } 1336 1337 /* build Aux controls */ 1338 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1339 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0) 1340 return err; 1341 } 1342 1343 /* build PCM controls */ 1344 if (ac97->flags & AC97_AD_MULTI) { 1345 unsigned short init_val; 1346 if (ac97->flags & AC97_STEREO_MUTES) 1347 init_val = 0x9f9f; 1348 else 1349 init_val = 0x9f1f; 1350 for (idx = 0; idx < 2; idx++) 1351 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1352 return err; 1353 ac97->spec.ad18xx.pcmreg[0] = init_val; 1354 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1355 for (idx = 0; idx < 2; idx++) 1356 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1357 return err; 1358 ac97->spec.ad18xx.pcmreg[1] = init_val; 1359 } 1360 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1361 for (idx = 0; idx < 2; idx++) 1362 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1363 return err; 1364 for (idx = 0; idx < 2; idx++) 1365 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1366 return err; 1367 ac97->spec.ad18xx.pcmreg[2] = init_val; 1368 } 1369 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1370 } else { 1371 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1372 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1373 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97); 1374 else 1375 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97); 1376 if (err < 0) 1377 return err; 1378 } 1379 } 1380 1381 /* build Capture controls */ 1382 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1383 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1384 return err; 1385 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1386 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0) 1387 return err; 1388 } 1389 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1390 return err; 1391 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1392 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1393 } 1394 /* build MIC Capture controls */ 1395 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1396 for (idx = 0; idx < 2; idx++) 1397 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1398 return err; 1399 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1400 } 1401 1402 /* build PCM out path & mute control */ 1403 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1404 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1405 return err; 1406 } 1407 1408 /* build Simulated Stereo Enhancement control */ 1409 if (ac97->caps & 0x0008) { 1410 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1411 return err; 1412 } 1413 1414 /* build 3D Stereo Enhancement control */ 1415 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1416 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1417 return err; 1418 } 1419 1420 /* build Loudness control */ 1421 if (ac97->caps & 0x0020) { 1422 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1423 return err; 1424 } 1425 1426 /* build Mono output select control */ 1427 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1428 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1429 return err; 1430 } 1431 1432 /* build Mic select control */ 1433 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1434 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1435 return err; 1436 } 1437 1438 /* build ADC/DAC loopback control */ 1439 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1440 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1441 return err; 1442 } 1443 1444 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1445 1446 /* build 3D controls */ 1447 if (ac97->build_ops->build_3d) { 1448 ac97->build_ops->build_3d(ac97); 1449 } else { 1450 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1451 unsigned short val; 1452 val = 0x0707; 1453 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1454 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1455 val = val == 0x0606; 1456 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1457 return err; 1458 if (val) 1459 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1460 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1461 return err; 1462 if (val) 1463 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1464 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1465 } 1466 } 1467 1468 /* build S/PDIF controls */ 1469 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1470 if (ac97->build_ops->build_spdif) { 1471 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1472 return err; 1473 } else { 1474 for (idx = 0; idx < 5; idx++) 1475 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1476 return err; 1477 if (ac97->build_ops->build_post_spdif) { 1478 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1479 return err; 1480 } 1481 /* set default PCM S/PDIF params */ 1482 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1483 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1484 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1485 } 1486 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1487 } 1488 1489 /* build chip specific controls */ 1490 if (ac97->build_ops->build_specific) 1491 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1492 return err; 1493 1494 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1495 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1496 if (! kctl) 1497 return -ENOMEM; 1498 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1499 set_inv_eapd(ac97, kctl); 1500 if ((err = snd_ctl_add(card, kctl)) < 0) 1501 return err; 1502 } 1503 1504 return 0; 1505 } 1506 1507 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1508 { 1509 int err, idx; 1510 1511 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG)); 1512 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1513 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1514 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1515 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1516 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1517 1518 /* build modem switches */ 1519 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1520 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1521 return err; 1522 1523 /* build chip specific controls */ 1524 if (ac97->build_ops->build_specific) 1525 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1526 return err; 1527 1528 return 0; 1529 } 1530 1531 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1532 { 1533 unsigned short val; 1534 unsigned int tmp; 1535 1536 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1537 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1538 if (shadow_reg) 1539 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1540 val = snd_ac97_read(ac97, reg); 1541 return val == (tmp & 0xffff); 1542 } 1543 1544 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1545 { 1546 unsigned int result = 0; 1547 unsigned short saved; 1548 1549 if (ac97->bus->no_vra) { 1550 *r_result = SNDRV_PCM_RATE_48000; 1551 if ((ac97->flags & AC97_DOUBLE_RATE) && 1552 reg == AC97_PCM_FRONT_DAC_RATE) 1553 *r_result |= SNDRV_PCM_RATE_96000; 1554 return; 1555 } 1556 1557 saved = snd_ac97_read(ac97, reg); 1558 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1559 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1560 AC97_EA_DRA, 0); 1561 /* test a non-standard rate */ 1562 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1563 result |= SNDRV_PCM_RATE_CONTINUOUS; 1564 /* let's try to obtain standard rates */ 1565 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1566 result |= SNDRV_PCM_RATE_8000; 1567 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1568 result |= SNDRV_PCM_RATE_11025; 1569 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1570 result |= SNDRV_PCM_RATE_16000; 1571 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1572 result |= SNDRV_PCM_RATE_22050; 1573 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1574 result |= SNDRV_PCM_RATE_32000; 1575 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1576 result |= SNDRV_PCM_RATE_44100; 1577 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1578 result |= SNDRV_PCM_RATE_48000; 1579 if ((ac97->flags & AC97_DOUBLE_RATE) && 1580 reg == AC97_PCM_FRONT_DAC_RATE) { 1581 /* test standard double rates */ 1582 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1583 AC97_EA_DRA, AC97_EA_DRA); 1584 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1585 result |= SNDRV_PCM_RATE_64000; 1586 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1587 result |= SNDRV_PCM_RATE_88200; 1588 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1589 result |= SNDRV_PCM_RATE_96000; 1590 /* some codecs don't support variable double rates */ 1591 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1592 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1593 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1594 AC97_EA_DRA, 0); 1595 } 1596 /* restore the default value */ 1597 snd_ac97_write_cache(ac97, reg, saved); 1598 if (shadow_reg) 1599 snd_ac97_write_cache(ac97, shadow_reg, saved); 1600 *r_result = result; 1601 } 1602 1603 /* check AC97_SPDIF register to accept which sample rates */ 1604 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1605 { 1606 unsigned int result = 0; 1607 int i; 1608 static unsigned short ctl_bits[] = { 1609 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1610 }; 1611 static unsigned int rate_bits[] = { 1612 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1613 }; 1614 1615 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1616 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1617 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1618 result |= rate_bits[i]; 1619 } 1620 return result; 1621 } 1622 1623 /* look for the codec id table matching with the given id */ 1624 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1625 unsigned int id) 1626 { 1627 const struct ac97_codec_id *pid; 1628 1629 for (pid = table; pid->id; pid++) 1630 if (pid->id == (id & pid->mask)) 1631 return pid; 1632 return NULL; 1633 } 1634 1635 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1636 { 1637 const struct ac97_codec_id *pid; 1638 1639 sprintf(name, "0x%x %c%c%c", id, 1640 printable(id >> 24), 1641 printable(id >> 16), 1642 printable(id >> 8)); 1643 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1644 if (! pid) 1645 return; 1646 1647 strcpy(name, pid->name); 1648 if (ac97 && pid->patch) { 1649 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1650 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1651 pid->patch(ac97); 1652 } 1653 1654 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1655 if (pid) { 1656 strcat(name, " "); 1657 strcat(name, pid->name); 1658 if (pid->mask != 0xffffffff) 1659 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1660 if (ac97 && pid->patch) { 1661 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1662 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1663 pid->patch(ac97); 1664 } 1665 } else 1666 sprintf(name + strlen(name), " id %x", id & 0xff); 1667 } 1668 1669 /** 1670 * snd_ac97_get_short_name - retrieve codec name 1671 * @ac97: the codec instance 1672 * 1673 * Returns the short identifying name of the codec. 1674 */ 1675 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1676 { 1677 const struct ac97_codec_id *pid; 1678 1679 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1680 if (pid->id == (ac97->id & pid->mask)) 1681 return pid->name; 1682 return "unknown codec"; 1683 } 1684 1685 1686 /* wait for a while until registers are accessible after RESET 1687 * return 0 if ok, negative not ready 1688 */ 1689 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1690 { 1691 unsigned long end_time; 1692 unsigned short val; 1693 1694 end_time = jiffies + timeout; 1695 do { 1696 1697 /* use preliminary reads to settle the communication */ 1698 snd_ac97_read(ac97, AC97_RESET); 1699 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1700 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1701 /* modem? */ 1702 if (with_modem) { 1703 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1704 if (val != 0xffff && (val & 1) != 0) 1705 return 0; 1706 } 1707 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1708 /* probably only Xbox issue - all registers are read as zero */ 1709 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1710 if (val != 0 && val != 0xffff) 1711 return 0; 1712 } else { 1713 /* because the PCM or MASTER volume registers can be modified, 1714 * the REC_GAIN register is used for tests 1715 */ 1716 /* test if we can write to the record gain volume register */ 1717 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1718 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1719 return 0; 1720 } 1721 schedule_timeout_uninterruptible(1); 1722 } while (time_after_eq(end_time, jiffies)); 1723 return -ENODEV; 1724 } 1725 1726 /** 1727 * snd_ac97_bus - create an AC97 bus component 1728 * @card: the card instance 1729 * @num: the bus number 1730 * @ops: the bus callbacks table 1731 * @private_data: private data pointer for the new instance 1732 * @rbus: the pointer to store the new AC97 bus instance. 1733 * 1734 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1735 * allocated and initialized. 1736 * 1737 * The ops table must include valid callbacks (at least read and 1738 * write). The other callbacks, wait and reset, are not mandatory. 1739 * 1740 * The clock is set to 48000. If another clock is needed, set 1741 * (*rbus)->clock manually. 1742 * 1743 * The AC97 bus instance is registered as a low-level device, so you don't 1744 * have to release it manually. 1745 * 1746 * Returns zero if successful, or a negative error code on failure. 1747 */ 1748 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, 1749 void *private_data, struct snd_ac97_bus **rbus) 1750 { 1751 int err; 1752 struct snd_ac97_bus *bus; 1753 static struct snd_device_ops dev_ops = { 1754 .dev_free = snd_ac97_bus_dev_free, 1755 }; 1756 1757 snd_assert(card != NULL, return -EINVAL); 1758 snd_assert(rbus != NULL, return -EINVAL); 1759 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1760 if (bus == NULL) 1761 return -ENOMEM; 1762 bus->card = card; 1763 bus->num = num; 1764 bus->ops = ops; 1765 bus->private_data = private_data; 1766 bus->clock = 48000; 1767 spin_lock_init(&bus->bus_lock); 1768 snd_ac97_bus_proc_init(bus); 1769 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1770 snd_ac97_bus_free(bus); 1771 return err; 1772 } 1773 *rbus = bus; 1774 return 0; 1775 } 1776 1777 /* stop no dev release warning */ 1778 static void ac97_device_release(struct device * dev) 1779 { 1780 } 1781 1782 /* register ac97 codec to bus */ 1783 static int snd_ac97_dev_register(struct snd_device *device) 1784 { 1785 struct snd_ac97 *ac97 = device->device_data; 1786 int err; 1787 1788 ac97->dev.bus = &ac97_bus_type; 1789 ac97->dev.parent = ac97->bus->card->dev; 1790 ac97->dev.release = ac97_device_release; 1791 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s", 1792 ac97->bus->card->number, ac97->num, 1793 snd_ac97_get_short_name(ac97)); 1794 if ((err = device_register(&ac97->dev)) < 0) { 1795 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1796 ac97->dev.bus = NULL; 1797 return err; 1798 } 1799 return 0; 1800 } 1801 1802 /* unregister ac97 codec */ 1803 static int snd_ac97_dev_unregister(struct snd_device *device) 1804 { 1805 struct snd_ac97 *ac97 = device->device_data; 1806 if (ac97->dev.bus) 1807 device_unregister(&ac97->dev); 1808 return snd_ac97_free(ac97); 1809 } 1810 1811 /* build_ops to do nothing */ 1812 static struct snd_ac97_build_ops null_build_ops; 1813 1814 /** 1815 * snd_ac97_mixer - create an Codec97 component 1816 * @bus: the AC97 bus which codec is attached to 1817 * @template: the template of ac97, including index, callbacks and 1818 * the private data. 1819 * @rac97: the pointer to store the new ac97 instance. 1820 * 1821 * Creates an Codec97 component. An struct snd_ac97 instance is newly 1822 * allocated and initialized from the template. The codec 1823 * is then initialized by the standard procedure. 1824 * 1825 * The template must include the codec number (num) and address (addr), 1826 * and the private data (private_data). 1827 * 1828 * The ac97 instance is registered as a low-level device, so you don't 1829 * have to release it manually. 1830 * 1831 * Returns zero if successful, or a negative error code on failure. 1832 */ 1833 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 1834 { 1835 int err; 1836 struct snd_ac97 *ac97; 1837 struct snd_card *card; 1838 char name[64]; 1839 unsigned long end_time; 1840 unsigned int reg; 1841 const struct ac97_codec_id *pid; 1842 static struct snd_device_ops ops = { 1843 .dev_free = snd_ac97_dev_free, 1844 .dev_register = snd_ac97_dev_register, 1845 .dev_unregister = snd_ac97_dev_unregister, 1846 }; 1847 1848 snd_assert(rac97 != NULL, return -EINVAL); 1849 *rac97 = NULL; 1850 snd_assert(bus != NULL && template != NULL, return -EINVAL); 1851 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL); 1852 1853 card = bus->card; 1854 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 1855 if (ac97 == NULL) 1856 return -ENOMEM; 1857 ac97->private_data = template->private_data; 1858 ac97->private_free = template->private_free; 1859 ac97->bus = bus; 1860 ac97->pci = template->pci; 1861 ac97->num = template->num; 1862 ac97->addr = template->addr; 1863 ac97->scaps = template->scaps; 1864 ac97->res_table = template->res_table; 1865 bus->codec[ac97->num] = ac97; 1866 mutex_init(&ac97->reg_mutex); 1867 mutex_init(&ac97->page_mutex); 1868 1869 #ifdef CONFIG_PCI 1870 if (ac97->pci) { 1871 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 1872 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 1873 } 1874 #endif 1875 if (bus->ops->reset) { 1876 bus->ops->reset(ac97); 1877 goto __access_ok; 1878 } 1879 1880 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 1881 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 1882 if (ac97->id && ac97->id != (unsigned int)-1) { 1883 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 1884 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 1885 goto __access_ok; 1886 } 1887 1888 /* reset to defaults */ 1889 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 1890 snd_ac97_write(ac97, AC97_RESET, 0); 1891 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 1892 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 1893 if (bus->ops->wait) 1894 bus->ops->wait(ac97); 1895 else { 1896 udelay(50); 1897 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 1898 err = ac97_reset_wait(ac97, HZ/2, 1); 1899 else { 1900 err = ac97_reset_wait(ac97, HZ/2, 0); 1901 if (err < 0) 1902 err = ac97_reset_wait(ac97, HZ/2, 1); 1903 } 1904 if (err < 0) { 1905 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 1906 /* proceed anyway - it's often non-critical */ 1907 } 1908 } 1909 __access_ok: 1910 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 1911 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 1912 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 1913 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 1914 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 1915 snd_ac97_free(ac97); 1916 return -EIO; 1917 } 1918 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 1919 if (pid) 1920 ac97->flags |= pid->flags; 1921 1922 /* test for AC'97 */ 1923 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 1924 /* test if we can write to the record gain volume register */ 1925 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 1926 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 1927 ac97->scaps |= AC97_SCAP_AUDIO; 1928 } 1929 if (ac97->scaps & AC97_SCAP_AUDIO) { 1930 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 1931 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 1932 if (ac97->ext_id == 0xffff) /* invalid combination */ 1933 ac97->ext_id = 0; 1934 } 1935 1936 /* test for MC'97 */ 1937 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 1938 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1939 if (ac97->ext_mid == 0xffff) /* invalid combination */ 1940 ac97->ext_mid = 0; 1941 if (ac97->ext_mid & 1) 1942 ac97->scaps |= AC97_SCAP_MODEM; 1943 } 1944 1945 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 1946 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 1947 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 1948 snd_ac97_free(ac97); 1949 return -EACCES; 1950 } 1951 1952 if (bus->ops->reset) // FIXME: always skipping? 1953 goto __ready_ok; 1954 1955 /* FIXME: add powerdown control */ 1956 if (ac97_is_audio(ac97)) { 1957 /* nothing should be in powerdown mode */ 1958 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 1959 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 1960 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 1961 udelay(100); 1962 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 1963 } 1964 /* nothing should be in powerdown mode */ 1965 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 1966 end_time = jiffies + (HZ / 10); 1967 do { 1968 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 1969 goto __ready_ok; 1970 schedule_timeout_uninterruptible(1); 1971 } while (time_after_eq(end_time, jiffies)); 1972 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 1973 } 1974 1975 /* FIXME: add powerdown control */ 1976 if (ac97_is_modem(ac97)) { 1977 unsigned char tmp; 1978 1979 /* nothing should be in powerdown mode */ 1980 /* note: it's important to set the rate at first */ 1981 tmp = AC97_MEA_GPIO; 1982 if (ac97->ext_mid & AC97_MEI_LINE1) { 1983 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 1984 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 1985 } 1986 if (ac97->ext_mid & AC97_MEI_LINE2) { 1987 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 1988 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 1989 } 1990 if (ac97->ext_mid & AC97_MEI_HANDSET) { 1991 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 1992 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 1993 } 1994 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 1995 udelay(100); 1996 /* nothing should be in powerdown mode */ 1997 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 1998 end_time = jiffies + (HZ / 10); 1999 do { 2000 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2001 goto __ready_ok; 2002 schedule_timeout_uninterruptible(1); 2003 } while (time_after_eq(end_time, jiffies)); 2004 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2005 } 2006 2007 __ready_ok: 2008 if (ac97_is_audio(ac97)) 2009 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2010 else 2011 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2012 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2013 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2014 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2015 if (! bus->no_vra) 2016 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2017 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2018 } 2019 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2020 /* Intel controllers require double rate data to be put in 2021 * slots 7+8, so let's hope the codec supports it. */ 2022 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2023 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2024 ac97->flags |= AC97_DOUBLE_RATE; 2025 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2026 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2027 } 2028 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2029 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2030 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2031 } else { 2032 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2033 if (ac97->flags & AC97_DOUBLE_RATE) 2034 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2035 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2036 } 2037 if (ac97->ext_id & AC97_EI_SPDIF) { 2038 /* codec specific code (patch) should override these values */ 2039 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2040 } 2041 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2042 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2043 } else { 2044 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2045 } 2046 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2047 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2048 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2049 } 2050 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2051 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2052 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2053 } 2054 /* additional initializations */ 2055 if (bus->ops->init) 2056 bus->ops->init(ac97); 2057 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2058 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2059 if (! ac97->build_ops) 2060 ac97->build_ops = &null_build_ops; 2061 2062 if (ac97_is_audio(ac97)) { 2063 char comp[16]; 2064 if (card->mixername[0] == '\0') { 2065 strcpy(card->mixername, name); 2066 } else { 2067 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2068 strcat(card->mixername, ","); 2069 strcat(card->mixername, name); 2070 } 2071 } 2072 sprintf(comp, "AC97a:%08x", ac97->id); 2073 if ((err = snd_component_add(card, comp)) < 0) { 2074 snd_ac97_free(ac97); 2075 return err; 2076 } 2077 if (snd_ac97_mixer_build(ac97) < 0) { 2078 snd_ac97_free(ac97); 2079 return -ENOMEM; 2080 } 2081 } 2082 if (ac97_is_modem(ac97)) { 2083 char comp[16]; 2084 if (card->mixername[0] == '\0') { 2085 strcpy(card->mixername, name); 2086 } else { 2087 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2088 strcat(card->mixername, ","); 2089 strcat(card->mixername, name); 2090 } 2091 } 2092 sprintf(comp, "AC97m:%08x", ac97->id); 2093 if ((err = snd_component_add(card, comp)) < 0) { 2094 snd_ac97_free(ac97); 2095 return err; 2096 } 2097 if (snd_ac97_modem_build(card, ac97) < 0) { 2098 snd_ac97_free(ac97); 2099 return -ENOMEM; 2100 } 2101 } 2102 /* make sure the proper powerdown bits are cleared */ 2103 if (ac97->scaps && ac97_is_audio(ac97)) { 2104 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2105 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2106 reg &= ~AC97_EA_PRJ; 2107 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2108 reg &= ~(AC97_EA_PRI | AC97_EA_PRK); 2109 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2110 } 2111 snd_ac97_proc_init(ac97); 2112 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2113 snd_ac97_free(ac97); 2114 return err; 2115 } 2116 *rac97 = ac97; 2117 return 0; 2118 } 2119 2120 2121 /* 2122 * Power down the chip. 2123 * 2124 * MASTER and HEADPHONE registers are muted but the register cache values 2125 * are not changed, so that the values can be restored in snd_ac97_resume(). 2126 */ 2127 static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2128 { 2129 unsigned short power; 2130 2131 if (ac97_is_audio(ac97)) { 2132 /* some codecs have stereo mute bits */ 2133 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2134 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2135 } 2136 2137 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */ 2138 power |= 0x4000; /* Headphone amplifier powerdown */ 2139 power |= 0x0300; /* ADC & DAC powerdown */ 2140 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2141 udelay(100); 2142 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */ 2143 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2144 udelay(100); 2145 #if 0 2146 /* FIXME: this causes click noises on some boards at resume */ 2147 power |= 0x3800; /* AC-link powerdown, internal Clk disable */ 2148 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2149 #endif 2150 } 2151 2152 2153 #ifdef CONFIG_PM 2154 /** 2155 * snd_ac97_suspend - General suspend function for AC97 codec 2156 * @ac97: the ac97 instance 2157 * 2158 * Suspends the codec, power down the chip. 2159 */ 2160 void snd_ac97_suspend(struct snd_ac97 *ac97) 2161 { 2162 if (! ac97) 2163 return; 2164 if (ac97->build_ops->suspend) 2165 ac97->build_ops->suspend(ac97); 2166 snd_ac97_powerdown(ac97); 2167 } 2168 2169 /* 2170 * restore ac97 status 2171 */ 2172 void snd_ac97_restore_status(struct snd_ac97 *ac97) 2173 { 2174 int i; 2175 2176 for (i = 2; i < 0x7c ; i += 2) { 2177 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2178 continue; 2179 /* restore only accessible registers 2180 * some chip (e.g. nm256) may hang up when unsupported registers 2181 * are accessed..! 2182 */ 2183 if (test_bit(i, ac97->reg_accessed)) { 2184 snd_ac97_write(ac97, i, ac97->regs[i]); 2185 snd_ac97_read(ac97, i); 2186 } 2187 } 2188 } 2189 2190 /* 2191 * restore IEC958 status 2192 */ 2193 void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2194 { 2195 if (ac97->ext_id & AC97_EI_SPDIF) { 2196 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2197 /* reset spdif status */ 2198 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2199 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2200 if (ac97->flags & AC97_CS_SPDIF) 2201 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2202 else 2203 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2204 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2205 } 2206 } 2207 } 2208 2209 /** 2210 * snd_ac97_resume - General resume function for AC97 codec 2211 * @ac97: the ac97 instance 2212 * 2213 * Do the standard resume procedure, power up and restoring the 2214 * old register values. 2215 */ 2216 void snd_ac97_resume(struct snd_ac97 *ac97) 2217 { 2218 unsigned long end_time; 2219 2220 if (! ac97) 2221 return; 2222 2223 if (ac97->bus->ops->reset) { 2224 ac97->bus->ops->reset(ac97); 2225 goto __reset_ready; 2226 } 2227 2228 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2229 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2230 snd_ac97_write(ac97, AC97_RESET, 0); 2231 udelay(100); 2232 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2233 } 2234 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2235 2236 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2237 if (ac97_is_audio(ac97)) { 2238 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2239 end_time = jiffies + msecs_to_jiffies(100); 2240 do { 2241 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2242 break; 2243 schedule_timeout_uninterruptible(1); 2244 } while (time_after_eq(end_time, jiffies)); 2245 /* FIXME: extra delay */ 2246 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); 2247 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) 2248 msleep(250); 2249 } else { 2250 end_time = jiffies + msecs_to_jiffies(100); 2251 do { 2252 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2253 if (val != 0xffff && (val & 1) != 0) 2254 break; 2255 schedule_timeout_uninterruptible(1); 2256 } while (time_after_eq(end_time, jiffies)); 2257 } 2258 __reset_ready: 2259 2260 if (ac97->bus->ops->init) 2261 ac97->bus->ops->init(ac97); 2262 2263 if (ac97->build_ops->resume) 2264 ac97->build_ops->resume(ac97); 2265 else { 2266 snd_ac97_restore_status(ac97); 2267 snd_ac97_restore_iec958(ac97); 2268 } 2269 } 2270 #endif 2271 2272 2273 /* 2274 * Hardware tuning 2275 */ 2276 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2277 { 2278 if (suffix) 2279 sprintf(dst, "%s %s", src, suffix); 2280 else 2281 strcpy(dst, src); 2282 } 2283 2284 /* remove the control with the given name and optional suffix */ 2285 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix) 2286 { 2287 struct snd_ctl_elem_id id; 2288 memset(&id, 0, sizeof(id)); 2289 set_ctl_name(id.name, name, suffix); 2290 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2291 return snd_ctl_remove_id(ac97->bus->card, &id); 2292 } 2293 2294 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2295 { 2296 struct snd_ctl_elem_id sid; 2297 memset(&sid, 0, sizeof(sid)); 2298 set_ctl_name(sid.name, name, suffix); 2299 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2300 return snd_ctl_find_id(ac97->bus->card, &sid); 2301 } 2302 2303 /* rename the control with the given name and optional suffix */ 2304 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix) 2305 { 2306 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2307 if (kctl) { 2308 set_ctl_name(kctl->id.name, dst, suffix); 2309 return 0; 2310 } 2311 return -ENOENT; 2312 } 2313 2314 /* rename both Volume and Switch controls - don't check the return value */ 2315 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst) 2316 { 2317 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2318 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2319 } 2320 2321 /* swap controls */ 2322 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix) 2323 { 2324 struct snd_kcontrol *kctl1, *kctl2; 2325 kctl1 = ctl_find(ac97, s1, suffix); 2326 kctl2 = ctl_find(ac97, s2, suffix); 2327 if (kctl1 && kctl2) { 2328 set_ctl_name(kctl1->id.name, s2, suffix); 2329 set_ctl_name(kctl2->id.name, s1, suffix); 2330 return 0; 2331 } 2332 return -ENOENT; 2333 } 2334 2335 #if 1 2336 /* bind hp and master controls instead of using only hp control */ 2337 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2338 { 2339 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2340 if (err > 0) { 2341 unsigned long priv_saved = kcontrol->private_value; 2342 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2343 snd_ac97_put_volsw(kcontrol, ucontrol); 2344 kcontrol->private_value = priv_saved; 2345 } 2346 return err; 2347 } 2348 2349 /* ac97 tune: bind Master and Headphone controls */ 2350 static int tune_hp_only(struct snd_ac97 *ac97) 2351 { 2352 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2353 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2354 if (! msw || ! mvol) 2355 return -ENOENT; 2356 msw->put = bind_hp_volsw_put; 2357 mvol->put = bind_hp_volsw_put; 2358 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2359 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2360 return 0; 2361 } 2362 2363 #else 2364 /* ac97 tune: use Headphone control as master */ 2365 static int tune_hp_only(struct snd_ac97 *ac97) 2366 { 2367 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2368 return -ENOENT; 2369 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2370 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2371 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2372 return 0; 2373 } 2374 #endif 2375 2376 /* ac97 tune: swap Headphone and Master controls */ 2377 static int tune_swap_hp(struct snd_ac97 *ac97) 2378 { 2379 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2380 return -ENOENT; 2381 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2382 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2383 return 0; 2384 } 2385 2386 /* ac97 tune: swap Surround and Master controls */ 2387 static int tune_swap_surround(struct snd_ac97 *ac97) 2388 { 2389 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2390 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2391 return -ENOENT; 2392 return 0; 2393 } 2394 2395 /* ac97 tune: set up mic sharing for AD codecs */ 2396 static int tune_ad_sharing(struct snd_ac97 *ac97) 2397 { 2398 unsigned short scfg; 2399 if ((ac97->id & 0xffffff00) != 0x41445300) { 2400 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2401 return -EINVAL; 2402 } 2403 /* Turn on OMS bit to route microphone to back panel */ 2404 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2405 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2406 return 0; 2407 } 2408 2409 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2410 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2411 2412 /* ac97 tune: set up ALC jack-select */ 2413 static int tune_alc_jack(struct snd_ac97 *ac97) 2414 { 2415 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2416 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2417 return -EINVAL; 2418 } 2419 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2420 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2421 if (ac97->id == AC97_ID_ALC658D) 2422 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2423 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2424 } 2425 2426 /* ac97 tune: inversed EAPD bit */ 2427 static int tune_inv_eapd(struct snd_ac97 *ac97) 2428 { 2429 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2430 if (! kctl) 2431 return -ENOENT; 2432 set_inv_eapd(ac97, kctl); 2433 return 0; 2434 } 2435 2436 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2437 { 2438 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2439 if (err > 0) { 2440 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2441 int shift = (kcontrol->private_value >> 8) & 0x0f; 2442 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2443 unsigned short mask; 2444 if (shift != rshift) 2445 mask = 0x8080; 2446 else 2447 mask = 0x8000; 2448 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2449 (ac97->regs[AC97_MASTER] & mask) == mask ? 2450 0x8000 : 0); 2451 } 2452 return err; 2453 } 2454 2455 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2456 static int tune_mute_led(struct snd_ac97 *ac97) 2457 { 2458 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2459 if (! msw) 2460 return -ENOENT; 2461 msw->put = master_mute_sw_put; 2462 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2463 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2464 return 0; 2465 } 2466 2467 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2468 struct snd_ctl_elem_value *ucontrol) 2469 { 2470 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2471 if (err > 0) { 2472 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2473 int shift = (kcontrol->private_value >> 8) & 0x0f; 2474 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2475 unsigned short mask; 2476 if (shift != rshift) 2477 mask = 0x8080; 2478 else 2479 mask = 0x8000; 2480 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2481 (ac97->regs[AC97_MASTER] & mask) == mask ? 2482 0x8000 : 0); 2483 } 2484 return err; 2485 } 2486 2487 static int tune_hp_mute_led(struct snd_ac97 *ac97) 2488 { 2489 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2490 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2491 if (! msw || ! mvol) 2492 return -ENOENT; 2493 msw->put = hp_master_mute_sw_put; 2494 mvol->put = bind_hp_volsw_put; 2495 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2496 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2497 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2498 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2499 return 0; 2500 } 2501 2502 struct quirk_table { 2503 const char *name; 2504 int (*func)(struct snd_ac97 *); 2505 }; 2506 2507 static struct quirk_table applicable_quirks[] = { 2508 { "none", NULL }, 2509 { "hp_only", tune_hp_only }, 2510 { "swap_hp", tune_swap_hp }, 2511 { "swap_surround", tune_swap_surround }, 2512 { "ad_sharing", tune_ad_sharing }, 2513 { "alc_jack", tune_alc_jack }, 2514 { "inv_eapd", tune_inv_eapd }, 2515 { "mute_led", tune_mute_led }, 2516 { "hp_mute_led", tune_hp_mute_led }, 2517 }; 2518 2519 /* apply the quirk with the given type */ 2520 static int apply_quirk(struct snd_ac97 *ac97, int type) 2521 { 2522 if (type <= 0) 2523 return 0; 2524 else if (type >= ARRAY_SIZE(applicable_quirks)) 2525 return -EINVAL; 2526 if (applicable_quirks[type].func) 2527 return applicable_quirks[type].func(ac97); 2528 return 0; 2529 } 2530 2531 /* apply the quirk with the given name */ 2532 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2533 { 2534 int i; 2535 struct quirk_table *q; 2536 2537 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2538 q = &applicable_quirks[i]; 2539 if (q->name && ! strcmp(typestr, q->name)) 2540 return apply_quirk(ac97, i); 2541 } 2542 /* for compatibility, accept the numbers, too */ 2543 if (*typestr >= '0' && *typestr <= '9') 2544 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2545 return -EINVAL; 2546 } 2547 2548 /** 2549 * snd_ac97_tune_hardware - tune up the hardware 2550 * @ac97: the ac97 instance 2551 * @quirk: quirk list 2552 * @override: explicit quirk value (overrides the list if non-NULL) 2553 * 2554 * Do some workaround for each pci device, such as renaming of the 2555 * headphone (true line-out) control as "Master". 2556 * The quirk-list must be terminated with a zero-filled entry. 2557 * 2558 * Returns zero if successful, or a negative error code on failure. 2559 */ 2560 2561 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) 2562 { 2563 int result; 2564 2565 /* quirk overriden? */ 2566 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2567 result = apply_quirk_str(ac97, override); 2568 if (result < 0) 2569 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2570 return result; 2571 } 2572 2573 if (! quirk) 2574 return -EINVAL; 2575 2576 for (; quirk->subvendor; quirk++) { 2577 if (quirk->subvendor != ac97->subsystem_vendor) 2578 continue; 2579 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2580 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2581 if (quirk->codec_id && quirk->codec_id != ac97->id) 2582 continue; 2583 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2584 result = apply_quirk(ac97, quirk->type); 2585 if (result < 0) 2586 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2587 return result; 2588 } 2589 } 2590 return 0; 2591 } 2592 2593 2594 /* 2595 * Exported symbols 2596 */ 2597 2598 EXPORT_SYMBOL(snd_ac97_write); 2599 EXPORT_SYMBOL(snd_ac97_read); 2600 EXPORT_SYMBOL(snd_ac97_write_cache); 2601 EXPORT_SYMBOL(snd_ac97_update); 2602 EXPORT_SYMBOL(snd_ac97_update_bits); 2603 EXPORT_SYMBOL(snd_ac97_get_short_name); 2604 EXPORT_SYMBOL(snd_ac97_bus); 2605 EXPORT_SYMBOL(snd_ac97_mixer); 2606 EXPORT_SYMBOL(snd_ac97_pcm_assign); 2607 EXPORT_SYMBOL(snd_ac97_pcm_open); 2608 EXPORT_SYMBOL(snd_ac97_pcm_close); 2609 EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules); 2610 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2611 EXPORT_SYMBOL(snd_ac97_set_rate); 2612 #ifdef CONFIG_PM 2613 EXPORT_SYMBOL(snd_ac97_resume); 2614 EXPORT_SYMBOL(snd_ac97_suspend); 2615 #endif 2616 2617 /* 2618 * INIT part 2619 */ 2620 2621 static int __init alsa_ac97_init(void) 2622 { 2623 return 0; 2624 } 2625 2626 static void __exit alsa_ac97_exit(void) 2627 { 2628 } 2629 2630 module_init(alsa_ac97_init) 2631 module_exit(alsa_ac97_exit) 2632