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 <sound/core.h> 32 #include <sound/pcm.h> 33 #include <sound/ac97_codec.h> 34 #include <sound/asoundef.h> 35 #include <sound/initval.h> 36 #include "ac97_local.h" 37 #include "ac97_id.h" 38 #include "ac97_patch.h" 39 40 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 41 MODULE_DESCRIPTION("Universal interface for Audio Codec '97"); 42 MODULE_LICENSE("GPL"); 43 44 static int enable_loopback; 45 46 module_param(enable_loopback, bool, 0444); 47 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control"); 48 49 /* 50 51 */ 52 53 typedef struct { 54 unsigned int id; 55 unsigned int mask; 56 const char *name; 57 int (*patch)(ac97_t *ac97); 58 int (*mpatch)(ac97_t *ac97); 59 unsigned int flags; 60 } ac97_codec_id_t; 61 62 static const ac97_codec_id_t snd_ac97_codec_id_vendors[] = { 63 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, 64 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, 65 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, 66 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL }, 67 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, 68 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, 69 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, 70 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, 71 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, 72 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, 73 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, 74 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, 75 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, 76 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, 77 { 0x50534300, 0xffffff00, "Philips", NULL, NULL }, 78 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, 79 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, 80 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, 81 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, 82 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, 83 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, 84 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, 85 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, 86 { 0, 0, NULL, NULL, NULL } 87 }; 88 89 static const ac97_codec_id_t snd_ac97_codec_ids[] = { 90 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, 91 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, 92 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, 93 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, 94 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, 95 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, 96 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, 97 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, 98 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, 99 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, 100 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, 101 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, 102 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, 103 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, 104 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, 105 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, 106 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, 107 { 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL }, 108 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, 109 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, 110 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ 111 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ 112 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ 113 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, 114 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, 115 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 116 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 117 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 118 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 119 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 120 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL }, 121 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, 122 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, 123 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, 124 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 125 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 126 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 127 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, 128 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, 129 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, 130 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, 131 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, 132 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, 133 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, 134 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, 135 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, 136 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II 137 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different 138 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 139 { 0x454d4328, 0xffffffff, "28028", NULL, NULL }, // same as TR28028? 140 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 141 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 142 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 143 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 144 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 145 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 146 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 147 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 148 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 149 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 150 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 151 { 0x4e534350, 0xffffffff, "LM4550", NULL, NULL }, 152 { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL }, 153 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 154 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 155 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 156 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 157 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 158 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 159 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 160 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 161 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL }, 162 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 163 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 164 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 165 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 166 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL}, 167 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 168 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL }, 169 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 170 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 171 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 172 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 173 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 174 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 175 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 176 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 177 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 178 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 179 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 180 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 181 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 182 { 0, 0, NULL, NULL, NULL } 183 }; 184 185 const char *snd_ac97_stereo_enhancements[] = 186 { 187 /* 0 */ "No 3D Stereo Enhancement", 188 /* 1 */ "Analog Devices Phat Stereo", 189 /* 2 */ "Creative Stereo Enhancement", 190 /* 3 */ "National Semi 3D Stereo Enhancement", 191 /* 4 */ "YAMAHA Ymersion", 192 /* 5 */ "BBE 3D Stereo Enhancement", 193 /* 6 */ "Crystal Semi 3D Stereo Enhancement", 194 /* 7 */ "Qsound QXpander", 195 /* 8 */ "Spatializer 3D Stereo Enhancement", 196 /* 9 */ "SRS 3D Stereo Enhancement", 197 /* 10 */ "Platform Tech 3D Stereo Enhancement", 198 /* 11 */ "AKM 3D Audio", 199 /* 12 */ "Aureal Stereo Enhancement", 200 /* 13 */ "Aztech 3D Enhancement", 201 /* 14 */ "Binaura 3D Audio Enhancement", 202 /* 15 */ "ESS Technology Stereo Enhancement", 203 /* 16 */ "Harman International VMAx", 204 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement", 205 /* 18 */ "Philips Incredible Sound", 206 /* 19 */ "Texas Instruments 3D Stereo Enhancement", 207 /* 20 */ "VLSI Technology 3D Stereo Enhancement", 208 /* 21 */ "TriTech 3D Stereo Enhancement", 209 /* 22 */ "Realtek 3D Stereo Enhancement", 210 /* 23 */ "Samsung 3D Stereo Enhancement", 211 /* 24 */ "Wolfson Microelectronics 3D Enhancement", 212 /* 25 */ "Delta Integration 3D Enhancement", 213 /* 26 */ "SigmaTel 3D Enhancement", 214 /* 27 */ "IC Ensemble/KS Waves", 215 /* 28 */ "Rockwell 3D Stereo Enhancement", 216 /* 29 */ "Reserved 29", 217 /* 30 */ "Reserved 30", 218 /* 31 */ "Reserved 31" 219 }; 220 221 /* 222 * Shared AC97 controllers (ICH, ATIIXP...) 223 */ 224 static DECLARE_MUTEX(shared_codec_mutex); 225 static ac97_t *shared_codec[AC97_SHARED_TYPES][4]; 226 227 228 /* 229 * I/O routines 230 */ 231 232 static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg) 233 { 234 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed)) 235 return 0; 236 237 /* filter some registers for buggy codecs */ 238 switch (ac97->id) { 239 case AC97_ID_AK4540: 240 case AC97_ID_AK4542: 241 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 242 return 1; 243 return 0; 244 case AC97_ID_AD1819: /* AD1819 */ 245 case AC97_ID_AD1881: /* AD1881 */ 246 case AC97_ID_AD1881A: /* AD1881A */ 247 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 248 return 0; 249 return 1; 250 case AC97_ID_AD1885: /* AD1885 */ 251 case AC97_ID_AD1886: /* AD1886 */ 252 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 253 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 254 if (reg == 0x5a) 255 return 1; 256 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 257 return 0; 258 return 1; 259 case AC97_ID_STAC9700: 260 case AC97_ID_STAC9704: 261 case AC97_ID_STAC9705: 262 case AC97_ID_STAC9708: 263 case AC97_ID_STAC9721: 264 case AC97_ID_STAC9744: 265 case AC97_ID_STAC9756: 266 if (reg <= 0x3a || reg >= 0x5a) 267 return 1; 268 return 0; 269 } 270 return 1; 271 } 272 273 /** 274 * snd_ac97_write - write a value on the given register 275 * @ac97: the ac97 instance 276 * @reg: the register to change 277 * @value: the value to set 278 * 279 * Writes a value on the given register. This will invoke the write 280 * callback directly after the register check. 281 * This function doesn't change the register cache unlike 282 * #snd_ca97_write_cache(), so use this only when you don't want to 283 * reflect the change to the suspend/resume state. 284 */ 285 void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value) 286 { 287 if (!snd_ac97_valid_reg(ac97, reg)) 288 return; 289 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 290 /* Fix H/W bug of ALC100/100P */ 291 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 292 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 293 } 294 ac97->bus->ops->write(ac97, reg, value); 295 } 296 297 /** 298 * snd_ac97_read - read a value from the given register 299 * 300 * @ac97: the ac97 instance 301 * @reg: the register to read 302 * 303 * Reads a value from the given register. This will invoke the read 304 * callback directly after the register check. 305 * 306 * Returns the read value. 307 */ 308 unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg) 309 { 310 if (!snd_ac97_valid_reg(ac97, reg)) 311 return 0; 312 return ac97->bus->ops->read(ac97, reg); 313 } 314 315 /* read a register - return the cached value if already read */ 316 static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short reg) 317 { 318 if (! test_bit(reg, ac97->reg_accessed)) { 319 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 320 // set_bit(reg, ac97->reg_accessed); 321 } 322 return ac97->regs[reg]; 323 } 324 325 /** 326 * snd_ac97_write_cache - write a value on the given register and update the cache 327 * @ac97: the ac97 instance 328 * @reg: the register to change 329 * @value: the value to set 330 * 331 * Writes a value on the given register and updates the register 332 * cache. The cached values are used for the cached-read and the 333 * suspend/resume. 334 */ 335 void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value) 336 { 337 if (!snd_ac97_valid_reg(ac97, reg)) 338 return; 339 down(&ac97->reg_mutex); 340 ac97->regs[reg] = value; 341 ac97->bus->ops->write(ac97, reg, value); 342 set_bit(reg, ac97->reg_accessed); 343 up(&ac97->reg_mutex); 344 } 345 346 /** 347 * snd_ac97_update - update the value on the given register 348 * @ac97: the ac97 instance 349 * @reg: the register to change 350 * @value: the value to set 351 * 352 * Compares the value with the register cache and updates the value 353 * only when the value is changed. 354 * 355 * Returns 1 if the value is changed, 0 if no change, or a negative 356 * code on failure. 357 */ 358 int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value) 359 { 360 int change; 361 362 if (!snd_ac97_valid_reg(ac97, reg)) 363 return -EINVAL; 364 down(&ac97->reg_mutex); 365 change = ac97->regs[reg] != value; 366 if (change) { 367 ac97->regs[reg] = value; 368 ac97->bus->ops->write(ac97, reg, value); 369 } 370 up(&ac97->reg_mutex); 371 return change; 372 } 373 374 /** 375 * snd_ac97_update_bits - update the bits on the given register 376 * @ac97: the ac97 instance 377 * @reg: the register to change 378 * @mask: the bit-mask to change 379 * @value: the value to set 380 * 381 * Updates the masked-bits on the given register only when the value 382 * is changed. 383 * 384 * Returns 1 if the bits are changed, 0 if no change, or a negative 385 * code on failure. 386 */ 387 int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value) 388 { 389 int change; 390 391 if (!snd_ac97_valid_reg(ac97, reg)) 392 return -EINVAL; 393 down(&ac97->reg_mutex); 394 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 395 up(&ac97->reg_mutex); 396 return change; 397 } 398 399 /* no lock version - see snd_ac97_updat_bits() */ 400 int snd_ac97_update_bits_nolock(ac97_t *ac97, unsigned short reg, 401 unsigned short mask, unsigned short value) 402 { 403 int change; 404 unsigned short old, new; 405 406 old = snd_ac97_read_cache(ac97, reg); 407 new = (old & ~mask) | value; 408 change = old != new; 409 if (change) { 410 ac97->regs[reg] = new; 411 ac97->bus->ops->write(ac97, reg, new); 412 } 413 return change; 414 } 415 416 static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value) 417 { 418 int change; 419 unsigned short old, new, cfg; 420 421 down(&ac97->page_mutex); 422 old = ac97->spec.ad18xx.pcmreg[codec]; 423 new = (old & ~mask) | value; 424 change = old != new; 425 if (change) { 426 down(&ac97->reg_mutex); 427 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 428 ac97->spec.ad18xx.pcmreg[codec] = new; 429 /* select single codec */ 430 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 431 (cfg & ~0x7000) | 432 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 433 /* update PCM bits */ 434 ac97->bus->ops->write(ac97, AC97_PCM, new); 435 /* select all codecs */ 436 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 437 cfg | 0x7000); 438 up(&ac97->reg_mutex); 439 } 440 up(&ac97->page_mutex); 441 return change; 442 } 443 444 /* 445 * Controls 446 */ 447 448 int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 449 { 450 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 451 452 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 453 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 454 uinfo->value.enumerated.items = e->mask; 455 456 if (uinfo->value.enumerated.item > e->mask - 1) 457 uinfo->value.enumerated.item = e->mask - 1; 458 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 459 return 0; 460 } 461 462 int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 463 { 464 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 465 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 466 unsigned short val, bitmask; 467 468 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 469 ; 470 val = snd_ac97_read_cache(ac97, e->reg); 471 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 472 if (e->shift_l != e->shift_r) 473 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 474 475 return 0; 476 } 477 478 int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 479 { 480 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 481 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 482 unsigned short val; 483 unsigned short mask, bitmask; 484 485 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 486 ; 487 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 488 return -EINVAL; 489 val = ucontrol->value.enumerated.item[0] << e->shift_l; 490 mask = (bitmask - 1) << e->shift_l; 491 if (e->shift_l != e->shift_r) { 492 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 493 return -EINVAL; 494 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 495 mask |= (bitmask - 1) << e->shift_r; 496 } 497 return snd_ac97_update_bits(ac97, e->reg, mask, val); 498 } 499 500 /* save/restore ac97 v2.3 paging */ 501 static int snd_ac97_page_save(ac97_t *ac97, int reg, snd_kcontrol_t *kcontrol) 502 { 503 int page_save = -1; 504 if ((kcontrol->private_value & (1<<25)) && 505 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 506 (reg >= 0x60 && reg < 0x70)) { 507 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 508 down(&ac97->page_mutex); /* lock paging */ 509 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 510 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 511 } 512 return page_save; 513 } 514 515 static void snd_ac97_page_restore(ac97_t *ac97, int page_save) 516 { 517 if (page_save >= 0) { 518 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 519 up(&ac97->page_mutex); /* unlock paging */ 520 } 521 } 522 523 /* volume and switch controls */ 524 int snd_ac97_info_volsw(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 525 { 526 int mask = (kcontrol->private_value >> 16) & 0xff; 527 int shift = (kcontrol->private_value >> 8) & 0x0f; 528 int rshift = (kcontrol->private_value >> 12) & 0x0f; 529 530 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 531 uinfo->count = shift == rshift ? 1 : 2; 532 uinfo->value.integer.min = 0; 533 uinfo->value.integer.max = mask; 534 return 0; 535 } 536 537 int snd_ac97_get_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 538 { 539 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 540 int reg = kcontrol->private_value & 0xff; 541 int shift = (kcontrol->private_value >> 8) & 0x0f; 542 int rshift = (kcontrol->private_value >> 12) & 0x0f; 543 int mask = (kcontrol->private_value >> 16) & 0xff; 544 int invert = (kcontrol->private_value >> 24) & 0x01; 545 int page_save; 546 547 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 548 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 549 if (shift != rshift) 550 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 551 if (invert) { 552 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 553 if (shift != rshift) 554 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 555 } 556 snd_ac97_page_restore(ac97, page_save); 557 return 0; 558 } 559 560 int snd_ac97_put_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 561 { 562 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 563 int reg = kcontrol->private_value & 0xff; 564 int shift = (kcontrol->private_value >> 8) & 0x0f; 565 int rshift = (kcontrol->private_value >> 12) & 0x0f; 566 int mask = (kcontrol->private_value >> 16) & 0xff; 567 int invert = (kcontrol->private_value >> 24) & 0x01; 568 int err, page_save; 569 unsigned short val, val2, val_mask; 570 571 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 572 val = (ucontrol->value.integer.value[0] & mask); 573 if (invert) 574 val = mask - val; 575 val_mask = mask << shift; 576 val = val << shift; 577 if (shift != rshift) { 578 val2 = (ucontrol->value.integer.value[1] & mask); 579 if (invert) 580 val2 = mask - val2; 581 val_mask |= mask << rshift; 582 val |= val2 << rshift; 583 } 584 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 585 snd_ac97_page_restore(ac97, page_save); 586 return err; 587 } 588 589 static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = { 590 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 591 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 592 }; 593 594 static const snd_kcontrol_new_t snd_ac97_controls_tone[2] = { 595 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 596 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 597 }; 598 599 static const snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = { 600 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), 601 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) 602 }; 603 604 static const snd_kcontrol_new_t snd_ac97_controls_mic_boost = 605 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 606 607 608 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 609 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 610 static const char* std_mix[] = {"Mix", "Mic"}; 611 static const char* std_mic[] = {"Mic1", "Mic2"}; 612 613 static const struct ac97_enum std_enum[] = { 614 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 615 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 616 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 617 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 618 }; 619 620 static const snd_kcontrol_new_t snd_ac97_control_capture_src = 621 AC97_ENUM("Capture Source", std_enum[0]); 622 623 static const snd_kcontrol_new_t snd_ac97_control_capture_vol = 624 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 625 626 static const snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = { 627 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 628 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 629 }; 630 631 typedef enum { 632 AC97_GENERAL_PCM_OUT = 0, 633 AC97_GENERAL_STEREO_ENHANCEMENT, 634 AC97_GENERAL_3D, 635 AC97_GENERAL_LOUDNESS, 636 AC97_GENERAL_MONO, 637 AC97_GENERAL_MIC, 638 AC97_GENERAL_LOOPBACK 639 } ac97_general_index_t; 640 641 static const snd_kcontrol_new_t snd_ac97_controls_general[7] = { 642 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 643 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 644 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 645 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 646 AC97_ENUM("Mono Output Select", std_enum[2]), 647 AC97_ENUM("Mic Select", std_enum[3]), 648 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 649 }; 650 651 const snd_kcontrol_new_t snd_ac97_controls_3d[2] = { 652 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 653 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 654 }; 655 656 static const snd_kcontrol_new_t snd_ac97_controls_center[2] = { 657 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 658 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 659 }; 660 661 static const snd_kcontrol_new_t snd_ac97_controls_lfe[2] = { 662 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 663 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 664 }; 665 666 static const snd_kcontrol_new_t snd_ac97_control_eapd = 667 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 668 669 static const snd_kcontrol_new_t snd_ac97_controls_modem_switches[2] = { 670 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 671 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 672 }; 673 674 /* change the existing EAPD control as inverted */ 675 static void set_inv_eapd(ac97_t *ac97, snd_kcontrol_t *kctl) 676 { 677 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 678 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 679 ac97->scaps |= AC97_SCAP_INV_EAPD; 680 } 681 682 static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 683 { 684 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 685 uinfo->count = 1; 686 return 0; 687 } 688 689 static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 690 { 691 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 692 IEC958_AES0_NONAUDIO | 693 IEC958_AES0_CON_EMPHASIS_5015 | 694 IEC958_AES0_CON_NOT_COPYRIGHT; 695 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 696 IEC958_AES1_CON_ORIGINAL; 697 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 698 return 0; 699 } 700 701 static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 702 { 703 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 704 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 705 IEC958_AES0_NONAUDIO | 706 IEC958_AES0_PRO_FS | 707 IEC958_AES0_PRO_EMPHASIS_5015; 708 return 0; 709 } 710 711 static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 712 { 713 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 714 715 down(&ac97->reg_mutex); 716 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 717 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 718 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 719 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 720 up(&ac97->reg_mutex); 721 return 0; 722 } 723 724 static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 725 { 726 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 727 unsigned int new = 0; 728 unsigned short val = 0; 729 int change; 730 731 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 732 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 733 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 734 switch (new & IEC958_AES0_PRO_FS) { 735 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 736 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 737 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 738 default: val |= 1<<12; break; 739 } 740 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 741 val |= 1<<3; 742 } else { 743 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 744 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 745 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 746 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 747 val |= 1<<3; 748 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 749 val |= 1<<2; 750 val |= ((new >> 8) & 0xff) << 4; // category + original 751 switch ((new >> 24) & 0xff) { 752 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 753 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 754 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 755 default: val |= 1<<12; break; 756 } 757 } 758 759 down(&ac97->reg_mutex); 760 change = ac97->spdif_status != new; 761 ac97->spdif_status = new; 762 763 if (ac97->flags & AC97_CS_SPDIF) { 764 int x = (val >> 12) & 0x03; 765 switch (x) { 766 case 0: x = 1; break; // 44.1 767 case 2: x = 0; break; // 48.0 768 default: x = 0; break; // illegal. 769 } 770 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 771 } else if (ac97->flags & AC97_CX_SPDIF) { 772 int v; 773 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 774 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 775 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 776 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 777 v); 778 } else { 779 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 780 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 781 782 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 783 if (extst & AC97_EA_SPDIF) { 784 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 785 } 786 } 787 up(&ac97->reg_mutex); 788 789 return change; 790 } 791 792 static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 793 { 794 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 795 int reg = kcontrol->private_value & 0xff; 796 int shift = (kcontrol->private_value >> 8) & 0xff; 797 int mask = (kcontrol->private_value >> 16) & 0xff; 798 // int invert = (kcontrol->private_value >> 24) & 0xff; 799 unsigned short value, old, new; 800 int change; 801 802 value = (ucontrol->value.integer.value[0] & mask); 803 804 down(&ac97->reg_mutex); 805 mask <<= shift; 806 value <<= shift; 807 old = snd_ac97_read_cache(ac97, reg); 808 new = (old & ~mask) | value; 809 change = old != new; 810 811 if (change) { 812 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 813 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 814 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 815 if (extst & AC97_EA_SPDIF) 816 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 817 } 818 up(&ac97->reg_mutex); 819 return change; 820 } 821 822 const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = { 823 { 824 .access = SNDRV_CTL_ELEM_ACCESS_READ, 825 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 826 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 827 .info = snd_ac97_spdif_mask_info, 828 .get = snd_ac97_spdif_cmask_get, 829 }, 830 { 831 .access = SNDRV_CTL_ELEM_ACCESS_READ, 832 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 833 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 834 .info = snd_ac97_spdif_mask_info, 835 .get = snd_ac97_spdif_pmask_get, 836 }, 837 { 838 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 839 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 840 .info = snd_ac97_spdif_mask_info, 841 .get = snd_ac97_spdif_default_get, 842 .put = snd_ac97_spdif_default_put, 843 }, 844 845 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 846 { 847 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 848 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 849 .info = snd_ac97_info_volsw, 850 .get = snd_ac97_get_volsw, 851 .put = snd_ac97_put_spsa, 852 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 853 }, 854 }; 855 856 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 857 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 858 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 859 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 860 861 static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 862 { 863 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 864 int mask = (kcontrol->private_value >> 16) & 0x0f; 865 int lshift = (kcontrol->private_value >> 8) & 0x0f; 866 int rshift = (kcontrol->private_value >> 12) & 0x0f; 867 868 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 869 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 870 uinfo->count = 2; 871 else 872 uinfo->count = 1; 873 uinfo->value.integer.min = 0; 874 uinfo->value.integer.max = mask; 875 return 0; 876 } 877 878 static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 879 { 880 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 881 int codec = kcontrol->private_value & 3; 882 int lshift = (kcontrol->private_value >> 8) & 0x0f; 883 int rshift = (kcontrol->private_value >> 12) & 0x0f; 884 int mask = (kcontrol->private_value >> 16) & 0xff; 885 886 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 887 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 888 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 889 return 0; 890 } 891 892 static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 893 { 894 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 895 int codec = kcontrol->private_value & 3; 896 int lshift = (kcontrol->private_value >> 8) & 0x0f; 897 int rshift = (kcontrol->private_value >> 12) & 0x0f; 898 int mask = (kcontrol->private_value >> 16) & 0xff; 899 unsigned short val, valmask; 900 901 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 902 valmask = mask << lshift; 903 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 904 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 905 valmask |= mask << rshift; 906 } 907 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 908 } 909 910 #define AD18XX_PCM_VOLUME(xname, codec) \ 911 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 912 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 913 .private_value = codec } 914 915 static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 916 { 917 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 918 uinfo->count = 2; 919 uinfo->value.integer.min = 0; 920 uinfo->value.integer.max = 31; 921 return 0; 922 } 923 924 static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 925 { 926 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 927 int codec = kcontrol->private_value & 3; 928 929 down(&ac97->page_mutex); 930 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 931 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 932 up(&ac97->page_mutex); 933 return 0; 934 } 935 936 static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 937 { 938 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 939 int codec = kcontrol->private_value & 3; 940 unsigned short val1, val2; 941 942 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 943 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 944 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 945 } 946 947 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = { 948 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 949 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 950 }; 951 952 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = { 953 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 954 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 955 }; 956 957 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = { 958 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 959 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 960 }; 961 962 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = { 963 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 964 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 965 }; 966 967 /* 968 * 969 */ 970 971 static void snd_ac97_powerdown(ac97_t *ac97); 972 973 static int snd_ac97_bus_free(ac97_bus_t *bus) 974 { 975 if (bus) { 976 snd_ac97_bus_proc_done(bus); 977 kfree(bus->pcms); 978 if (bus->private_free) 979 bus->private_free(bus); 980 kfree(bus); 981 } 982 return 0; 983 } 984 985 static int snd_ac97_bus_dev_free(snd_device_t *device) 986 { 987 ac97_bus_t *bus = device->device_data; 988 return snd_ac97_bus_free(bus); 989 } 990 991 static int snd_ac97_free(ac97_t *ac97) 992 { 993 if (ac97) { 994 snd_ac97_proc_done(ac97); 995 if (ac97->bus) { 996 ac97->bus->codec[ac97->num] = NULL; 997 if (ac97->bus->shared_type) { 998 down(&shared_codec_mutex); 999 shared_codec[ac97->bus->shared_type-1][ac97->num] = NULL; 1000 up(&shared_codec_mutex); 1001 } 1002 } 1003 if (ac97->private_free) 1004 ac97->private_free(ac97); 1005 kfree(ac97); 1006 } 1007 return 0; 1008 } 1009 1010 static int snd_ac97_dev_free(snd_device_t *device) 1011 { 1012 ac97_t *ac97 = device->device_data; 1013 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1014 return snd_ac97_free(ac97); 1015 } 1016 1017 static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg) 1018 { 1019 unsigned short val, mask = 0x8000; 1020 1021 if (! snd_ac97_valid_reg(ac97, reg)) 1022 return 0; 1023 1024 switch (reg) { 1025 case AC97_MASTER_TONE: 1026 return ac97->caps & 0x04 ? 1 : 0; 1027 case AC97_HEADPHONE: 1028 return ac97->caps & 0x10 ? 1 : 0; 1029 case AC97_REC_GAIN_MIC: 1030 return ac97->caps & 0x01 ? 1 : 0; 1031 case AC97_3D_CONTROL: 1032 if (ac97->caps & 0x7c00) { 1033 val = snd_ac97_read(ac97, reg); 1034 /* if nonzero - fixed and we can't set it */ 1035 return val == 0; 1036 } 1037 return 0; 1038 case AC97_CENTER_LFE_MASTER: /* center */ 1039 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1040 return 0; 1041 break; 1042 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1043 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1044 return 0; 1045 reg = AC97_CENTER_LFE_MASTER; 1046 mask = 0x0080; 1047 break; 1048 case AC97_SURROUND_MASTER: 1049 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1050 return 0; 1051 break; 1052 } 1053 1054 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed)) 1055 return 1; /* allow without check */ 1056 1057 val = snd_ac97_read(ac97, reg); 1058 if (!(val & mask)) { 1059 /* nothing seems to be here - mute flag is not set */ 1060 /* try another test */ 1061 snd_ac97_write_cache(ac97, reg, val | mask); 1062 val = snd_ac97_read(ac97, reg); 1063 if (!(val & mask)) 1064 return 0; /* nothing here */ 1065 } 1066 return 1; /* success, useable */ 1067 } 1068 1069 static void check_volume_resolution(ac97_t *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1070 { 1071 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1072 unsigned char max[3] = { 63, 31, 15 }; 1073 int i; 1074 1075 *lo_max = *hi_max = 0; 1076 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1077 unsigned short val; 1078 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); 1079 val = snd_ac97_read(ac97, reg); 1080 if (! *lo_max && (val & 0x7f) == cbit[i]) 1081 *lo_max = max[i]; 1082 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1083 *hi_max = max[i]; 1084 if (*lo_max && *hi_max) 1085 break; 1086 } 1087 } 1088 1089 int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit) 1090 { 1091 unsigned short mask, val, orig, res; 1092 1093 mask = 1 << bit; 1094 orig = snd_ac97_read(ac97, reg); 1095 val = orig ^ mask; 1096 snd_ac97_write(ac97, reg, val); 1097 res = snd_ac97_read(ac97, reg); 1098 snd_ac97_write_cache(ac97, reg, orig); 1099 return res == val; 1100 } 1101 1102 /* check the volume resolution of center/lfe */ 1103 static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max) 1104 { 1105 unsigned short val, val1; 1106 1107 *max = 63; 1108 val = 0x8080 | (0x20 << shift); 1109 snd_ac97_write(ac97, reg, val); 1110 val1 = snd_ac97_read(ac97, reg); 1111 if (val != val1) { 1112 *max = 31; 1113 } 1114 /* reset volume to zero */ 1115 snd_ac97_write_cache(ac97, reg, 0x8080); 1116 } 1117 1118 static inline int printable(unsigned int x) 1119 { 1120 x &= 0xff; 1121 if (x < ' ' || x >= 0x71) { 1122 if (x <= 0x89) 1123 return x - 0x71 + 'A'; 1124 return '?'; 1125 } 1126 return x; 1127 } 1128 1129 snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97) 1130 { 1131 snd_kcontrol_new_t template; 1132 memcpy(&template, _template, sizeof(template)); 1133 snd_runtime_check(!template.index, return NULL); 1134 template.index = ac97->num; 1135 return snd_ctl_new1(&template, ac97); 1136 } 1137 1138 /* 1139 * create mute switch(es) for normal stereo controls 1140 */ 1141 static int snd_ac97_cmute_new_stereo(snd_card_t *card, char *name, int reg, int check_stereo, ac97_t *ac97) 1142 { 1143 snd_kcontrol_t *kctl; 1144 int err; 1145 unsigned short val, val1, mute_mask; 1146 1147 if (! snd_ac97_valid_reg(ac97, reg)) 1148 return 0; 1149 1150 mute_mask = 0x8000; 1151 val = snd_ac97_read(ac97, reg); 1152 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1153 /* check whether both mute bits work */ 1154 val1 = val | 0x8080; 1155 snd_ac97_write(ac97, reg, val1); 1156 if (val1 == snd_ac97_read(ac97, reg)) 1157 mute_mask = 0x8080; 1158 } 1159 if (mute_mask == 0x8080) { 1160 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1161 tmp.index = ac97->num; 1162 kctl = snd_ctl_new1(&tmp, ac97); 1163 } else { 1164 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1165 tmp.index = ac97->num; 1166 kctl = snd_ctl_new1(&tmp, ac97); 1167 } 1168 err = snd_ctl_add(card, kctl); 1169 if (err < 0) 1170 return err; 1171 /* mute as default */ 1172 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1173 return 0; 1174 } 1175 1176 /* 1177 * create a volume for normal stereo/mono controls 1178 */ 1179 static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int lo_max, 1180 unsigned int hi_max, ac97_t *ac97) 1181 { 1182 int err; 1183 snd_kcontrol_t *kctl; 1184 1185 if (! snd_ac97_valid_reg(ac97, reg)) 1186 return 0; 1187 if (hi_max) { 1188 /* invert */ 1189 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1190 tmp.index = ac97->num; 1191 kctl = snd_ctl_new1(&tmp, ac97); 1192 } else { 1193 /* invert */ 1194 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1195 tmp.index = ac97->num; 1196 kctl = snd_ctl_new1(&tmp, ac97); 1197 } 1198 err = snd_ctl_add(card, kctl); 1199 if (err < 0) 1200 return err; 1201 snd_ac97_write_cache(ac97, reg, 1202 (snd_ac97_read(ac97, reg) & 0x8080) | 1203 lo_max | (hi_max << 8)); 1204 return 0; 1205 } 1206 1207 /* 1208 * create a mute-switch and a volume for normal stereo/mono controls 1209 */ 1210 static int snd_ac97_cmix_new_stereo(snd_card_t *card, const char *pfx, int reg, int check_stereo, ac97_t *ac97) 1211 { 1212 int err; 1213 char name[44]; 1214 unsigned char lo_max, hi_max; 1215 1216 if (! snd_ac97_valid_reg(ac97, reg)) 1217 return 0; 1218 1219 if (snd_ac97_try_bit(ac97, reg, 15)) { 1220 sprintf(name, "%s Switch", pfx); 1221 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0) 1222 return err; 1223 } 1224 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1225 if (lo_max) { 1226 sprintf(name, "%s Volume", pfx); 1227 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1228 return err; 1229 } 1230 return 0; 1231 } 1232 1233 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97) 1234 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97) 1235 1236 static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97); 1237 1238 static int snd_ac97_mixer_build(ac97_t * ac97) 1239 { 1240 snd_card_t *card = ac97->bus->card; 1241 snd_kcontrol_t *kctl; 1242 int err; 1243 unsigned int idx; 1244 unsigned char max; 1245 1246 /* build master controls */ 1247 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1248 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1249 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1250 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97); 1251 else 1252 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97); 1253 if (err < 0) 1254 return err; 1255 } 1256 1257 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; 1258 1259 /* build center controls */ 1260 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) { 1261 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1262 return err; 1263 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1264 return err; 1265 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1266 kctl->private_value &= ~(0xff << 16); 1267 kctl->private_value |= (int)max << 16; 1268 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1269 } 1270 1271 /* build LFE controls */ 1272 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) { 1273 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1274 return err; 1275 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1276 return err; 1277 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1278 kctl->private_value &= ~(0xff << 16); 1279 kctl->private_value |= (int)max << 16; 1280 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1281 } 1282 1283 /* build surround controls */ 1284 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) { 1285 /* Surround Master (0x38) is with stereo mutes */ 1286 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0) 1287 return err; 1288 } 1289 1290 /* build headphone controls */ 1291 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1292 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0) 1293 return err; 1294 } 1295 1296 /* build master mono controls */ 1297 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1298 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0) 1299 return err; 1300 } 1301 1302 /* build master tone controls */ 1303 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1304 for (idx = 0; idx < 2; idx++) { 1305 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1306 return err; 1307 if (ac97->id == AC97_ID_YMF753) { 1308 kctl->private_value &= ~(0xff << 16); 1309 kctl->private_value |= 7 << 16; 1310 } 1311 } 1312 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1313 } 1314 1315 /* build PC Speaker controls */ 1316 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1317 ((ac97->flags & AC97_HAS_PC_BEEP) || 1318 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1319 for (idx = 0; idx < 2; idx++) 1320 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1321 return err; 1322 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 1323 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); 1324 } 1325 1326 /* build Phone controls */ 1327 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1328 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1329 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0) 1330 return err; 1331 } 1332 } 1333 1334 /* build MIC controls */ 1335 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1336 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0) 1337 return err; 1338 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1339 return err; 1340 } 1341 1342 /* build Line controls */ 1343 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1344 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0) 1345 return err; 1346 } 1347 1348 /* build CD controls */ 1349 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1350 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1351 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0) 1352 return err; 1353 } 1354 } 1355 1356 /* build Video controls */ 1357 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1358 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1359 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0) 1360 return err; 1361 } 1362 } 1363 1364 /* build Aux controls */ 1365 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1366 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0) 1367 return err; 1368 } 1369 1370 /* build PCM controls */ 1371 if (ac97->flags & AC97_AD_MULTI) { 1372 unsigned short init_val; 1373 if (ac97->flags & AC97_STEREO_MUTES) 1374 init_val = 0x9f9f; 1375 else 1376 init_val = 0x9f1f; 1377 for (idx = 0; idx < 2; idx++) 1378 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1379 return err; 1380 ac97->spec.ad18xx.pcmreg[0] = init_val; 1381 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1382 for (idx = 0; idx < 2; idx++) 1383 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1384 return err; 1385 ac97->spec.ad18xx.pcmreg[1] = init_val; 1386 } 1387 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1388 for (idx = 0; idx < 2; idx++) 1389 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1390 return err; 1391 for (idx = 0; idx < 2; idx++) 1392 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1393 return err; 1394 ac97->spec.ad18xx.pcmreg[2] = init_val; 1395 } 1396 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1397 } else { 1398 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1399 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97); 1400 else 1401 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97); 1402 if (err < 0) 1403 return err; 1404 } 1405 1406 /* build Capture controls */ 1407 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1408 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1409 return err; 1410 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1411 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0) 1412 return err; 1413 } 1414 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1415 return err; 1416 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1417 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1418 } 1419 /* build MIC Capture controls */ 1420 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1421 for (idx = 0; idx < 2; idx++) 1422 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1423 return err; 1424 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1425 } 1426 1427 /* build PCM out path & mute control */ 1428 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1429 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1430 return err; 1431 } 1432 1433 /* build Simulated Stereo Enhancement control */ 1434 if (ac97->caps & 0x0008) { 1435 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1436 return err; 1437 } 1438 1439 /* build 3D Stereo Enhancement control */ 1440 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1441 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1442 return err; 1443 } 1444 1445 /* build Loudness control */ 1446 if (ac97->caps & 0x0020) { 1447 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1448 return err; 1449 } 1450 1451 /* build Mono output select control */ 1452 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1453 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1454 return err; 1455 } 1456 1457 /* build Mic select control */ 1458 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1459 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1460 return err; 1461 } 1462 1463 /* build ADC/DAC loopback control */ 1464 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1465 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1466 return err; 1467 } 1468 1469 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1470 1471 /* build 3D controls */ 1472 if (ac97->build_ops->build_3d) { 1473 ac97->build_ops->build_3d(ac97); 1474 } else { 1475 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1476 unsigned short val; 1477 val = 0x0707; 1478 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1479 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1480 val = val == 0x0606; 1481 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1482 return err; 1483 if (val) 1484 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1485 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1486 return err; 1487 if (val) 1488 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1489 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1490 } 1491 } 1492 1493 /* build S/PDIF controls */ 1494 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1495 if (ac97->build_ops->build_spdif) { 1496 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1497 return err; 1498 } else { 1499 for (idx = 0; idx < 5; idx++) 1500 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1501 return err; 1502 if (ac97->build_ops->build_post_spdif) { 1503 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1504 return err; 1505 } 1506 /* set default PCM S/PDIF params */ 1507 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1508 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1509 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1510 } 1511 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1512 } 1513 1514 /* build chip specific controls */ 1515 if (ac97->build_ops->build_specific) 1516 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1517 return err; 1518 1519 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1520 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1521 if (! kctl) 1522 return -ENOMEM; 1523 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1524 set_inv_eapd(ac97, kctl); 1525 if ((err = snd_ctl_add(card, kctl)) < 0) 1526 return err; 1527 } 1528 1529 return 0; 1530 } 1531 1532 static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97) 1533 { 1534 int err, idx; 1535 1536 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG)); 1537 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1538 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1539 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1540 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1541 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1542 1543 /* build modem switches */ 1544 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1545 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1546 return err; 1547 1548 /* build chip specific controls */ 1549 if (ac97->build_ops->build_specific) 1550 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1551 return err; 1552 1553 return 0; 1554 } 1555 1556 static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate) 1557 { 1558 unsigned short val; 1559 unsigned int tmp; 1560 1561 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1562 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1563 if (shadow_reg) 1564 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1565 val = snd_ac97_read(ac97, reg); 1566 return val == (tmp & 0xffff); 1567 } 1568 1569 static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result) 1570 { 1571 unsigned int result = 0; 1572 unsigned short saved; 1573 1574 if (ac97->bus->no_vra) { 1575 *r_result = SNDRV_PCM_RATE_48000; 1576 if ((ac97->flags & AC97_DOUBLE_RATE) && 1577 reg == AC97_PCM_FRONT_DAC_RATE) 1578 *r_result |= SNDRV_PCM_RATE_96000; 1579 return; 1580 } 1581 1582 saved = snd_ac97_read(ac97, reg); 1583 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1584 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1585 AC97_EA_DRA, 0); 1586 /* test a non-standard rate */ 1587 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1588 result |= SNDRV_PCM_RATE_CONTINUOUS; 1589 /* let's try to obtain standard rates */ 1590 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1591 result |= SNDRV_PCM_RATE_8000; 1592 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1593 result |= SNDRV_PCM_RATE_11025; 1594 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1595 result |= SNDRV_PCM_RATE_16000; 1596 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1597 result |= SNDRV_PCM_RATE_22050; 1598 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1599 result |= SNDRV_PCM_RATE_32000; 1600 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1601 result |= SNDRV_PCM_RATE_44100; 1602 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1603 result |= SNDRV_PCM_RATE_48000; 1604 if ((ac97->flags & AC97_DOUBLE_RATE) && 1605 reg == AC97_PCM_FRONT_DAC_RATE) { 1606 /* test standard double rates */ 1607 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1608 AC97_EA_DRA, AC97_EA_DRA); 1609 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1610 result |= SNDRV_PCM_RATE_64000; 1611 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1612 result |= SNDRV_PCM_RATE_88200; 1613 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1614 result |= SNDRV_PCM_RATE_96000; 1615 /* some codecs don't support variable double rates */ 1616 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1617 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1618 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1619 AC97_EA_DRA, 0); 1620 } 1621 /* restore the default value */ 1622 snd_ac97_write_cache(ac97, reg, saved); 1623 if (shadow_reg) 1624 snd_ac97_write_cache(ac97, shadow_reg, saved); 1625 *r_result = result; 1626 } 1627 1628 /* check AC97_SPDIF register to accept which sample rates */ 1629 static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97) 1630 { 1631 unsigned int result = 0; 1632 int i; 1633 static unsigned short ctl_bits[] = { 1634 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1635 }; 1636 static unsigned int rate_bits[] = { 1637 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1638 }; 1639 1640 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1641 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1642 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1643 result |= rate_bits[i]; 1644 } 1645 return result; 1646 } 1647 1648 /* look for the codec id table matching with the given id */ 1649 static const ac97_codec_id_t *look_for_codec_id(const ac97_codec_id_t *table, 1650 unsigned int id) 1651 { 1652 const ac97_codec_id_t *pid; 1653 1654 for (pid = table; pid->id; pid++) 1655 if (pid->id == (id & pid->mask)) 1656 return pid; 1657 return NULL; 1658 } 1659 1660 void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem) 1661 { 1662 const ac97_codec_id_t *pid; 1663 1664 sprintf(name, "0x%x %c%c%c", id, 1665 printable(id >> 24), 1666 printable(id >> 16), 1667 printable(id >> 8)); 1668 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1669 if (! pid) 1670 return; 1671 1672 strcpy(name, pid->name); 1673 if (ac97 && pid->patch) { 1674 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1675 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1676 pid->patch(ac97); 1677 } 1678 1679 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1680 if (pid) { 1681 strcat(name, " "); 1682 strcat(name, pid->name); 1683 if (pid->mask != 0xffffffff) 1684 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1685 if (ac97 && pid->patch) { 1686 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1687 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1688 pid->patch(ac97); 1689 } 1690 } else 1691 sprintf(name + strlen(name), " id %x", id & 0xff); 1692 } 1693 1694 /** 1695 * snd_ac97_get_short_name - retrieve codec name 1696 * @ac97: the codec instance 1697 * 1698 * Returns the short identifying name of the codec. 1699 */ 1700 const char *snd_ac97_get_short_name(ac97_t *ac97) 1701 { 1702 const ac97_codec_id_t *pid; 1703 1704 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1705 if (pid->id == (ac97->id & pid->mask)) 1706 return pid->name; 1707 return "unknown codec"; 1708 } 1709 1710 1711 /* wait for a while until registers are accessible after RESET 1712 * return 0 if ok, negative not ready 1713 */ 1714 static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem) 1715 { 1716 unsigned long end_time; 1717 unsigned short val; 1718 1719 end_time = jiffies + timeout; 1720 do { 1721 1722 /* use preliminary reads to settle the communication */ 1723 snd_ac97_read(ac97, AC97_RESET); 1724 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1725 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1726 /* modem? */ 1727 if (with_modem) { 1728 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1729 if (val != 0xffff && (val & 1) != 0) 1730 return 0; 1731 } 1732 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1733 /* probably only Xbox issue - all registers are read as zero */ 1734 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1735 if (val != 0 && val != 0xffff) 1736 return 0; 1737 } else { 1738 /* because the PCM or MASTER volume registers can be modified, 1739 * the REC_GAIN register is used for tests 1740 */ 1741 /* test if we can write to the record gain volume register */ 1742 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1743 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1744 return 0; 1745 } 1746 set_current_state(TASK_UNINTERRUPTIBLE); 1747 schedule_timeout(1); 1748 } while (time_after_eq(end_time, jiffies)); 1749 return -ENODEV; 1750 } 1751 1752 /** 1753 * snd_ac97_bus - create an AC97 bus component 1754 * @card: the card instance 1755 * @num: the bus number 1756 * @ops: the bus callbacks table 1757 * @private_data: private data pointer for the new instance 1758 * @rbus: the pointer to store the new AC97 bus instance. 1759 * 1760 * Creates an AC97 bus component. An ac97_bus_t instance is newly 1761 * allocated and initialized. 1762 * 1763 * The ops table must include valid callbacks (at least read and 1764 * write). The other callbacks, wait and reset, are not mandatory. 1765 * 1766 * The clock is set to 48000. If another clock is needed, set 1767 * (*rbus)->clock manually. 1768 * 1769 * The AC97 bus instance is registered as a low-level device, so you don't 1770 * have to release it manually. 1771 * 1772 * Returns zero if successful, or a negative error code on failure. 1773 */ 1774 int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops, 1775 void *private_data, ac97_bus_t **rbus) 1776 { 1777 int err; 1778 ac97_bus_t *bus; 1779 static snd_device_ops_t dev_ops = { 1780 .dev_free = snd_ac97_bus_dev_free, 1781 }; 1782 1783 snd_assert(card != NULL, return -EINVAL); 1784 snd_assert(rbus != NULL, return -EINVAL); 1785 bus = kcalloc(1, sizeof(*bus), GFP_KERNEL); 1786 if (bus == NULL) 1787 return -ENOMEM; 1788 bus->card = card; 1789 bus->num = num; 1790 bus->ops = ops; 1791 bus->private_data = private_data; 1792 bus->clock = 48000; 1793 spin_lock_init(&bus->bus_lock); 1794 snd_ac97_bus_proc_init(bus); 1795 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1796 snd_ac97_bus_free(bus); 1797 return err; 1798 } 1799 *rbus = bus; 1800 return 0; 1801 } 1802 1803 /* build_ops to do nothing */ 1804 static struct snd_ac97_build_ops null_build_ops; 1805 1806 /** 1807 * snd_ac97_mixer - create an Codec97 component 1808 * @bus: the AC97 bus which codec is attached to 1809 * @template: the template of ac97, including index, callbacks and 1810 * the private data. 1811 * @rac97: the pointer to store the new ac97 instance. 1812 * 1813 * Creates an Codec97 component. An ac97_t instance is newly 1814 * allocated and initialized from the template. The codec 1815 * is then initialized by the standard procedure. 1816 * 1817 * The template must include the codec number (num) and address (addr), 1818 * and the private data (private_data). 1819 * 1820 * The ac97 instance is registered as a low-level device, so you don't 1821 * have to release it manually. 1822 * 1823 * Returns zero if successful, or a negative error code on failure. 1824 */ 1825 int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97) 1826 { 1827 int err; 1828 ac97_t *ac97; 1829 snd_card_t *card; 1830 char name[64]; 1831 unsigned long end_time; 1832 unsigned int reg; 1833 const ac97_codec_id_t *pid; 1834 static snd_device_ops_t ops = { 1835 .dev_free = snd_ac97_dev_free, 1836 }; 1837 1838 snd_assert(rac97 != NULL, return -EINVAL); 1839 *rac97 = NULL; 1840 snd_assert(bus != NULL && template != NULL, return -EINVAL); 1841 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL); 1842 1843 snd_assert(bus->shared_type <= AC97_SHARED_TYPES, return -EINVAL); 1844 if (bus->shared_type) { 1845 /* already shared? */ 1846 down(&shared_codec_mutex); 1847 ac97 = shared_codec[bus->shared_type-1][template->num]; 1848 if (ac97) { 1849 if ((ac97_is_audio(ac97) && (template->scaps & AC97_SCAP_SKIP_AUDIO)) || 1850 (ac97_is_modem(ac97) && (template->scaps & AC97_SCAP_SKIP_MODEM))) { 1851 up(&shared_codec_mutex); 1852 return -EACCES; /* skip this */ 1853 } 1854 } 1855 up(&shared_codec_mutex); 1856 } 1857 1858 card = bus->card; 1859 ac97 = kcalloc(1, sizeof(*ac97), GFP_KERNEL); 1860 if (ac97 == NULL) 1861 return -ENOMEM; 1862 ac97->private_data = template->private_data; 1863 ac97->private_free = template->private_free; 1864 ac97->bus = bus; 1865 ac97->pci = template->pci; 1866 ac97->num = template->num; 1867 ac97->addr = template->addr; 1868 ac97->scaps = template->scaps; 1869 ac97->limited_regs = template->limited_regs; 1870 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed)); 1871 bus->codec[ac97->num] = ac97; 1872 init_MUTEX(&ac97->reg_mutex); 1873 init_MUTEX(&ac97->page_mutex); 1874 1875 if (ac97->pci) { 1876 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 1877 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 1878 } 1879 if (bus->ops->reset) { 1880 bus->ops->reset(ac97); 1881 goto __access_ok; 1882 } 1883 1884 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 1885 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 1886 if (ac97->id && ac97->id != (unsigned int)-1) { 1887 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 1888 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 1889 goto __access_ok; 1890 } 1891 1892 /* reset to defaults */ 1893 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 1894 snd_ac97_write(ac97, AC97_RESET, 0); 1895 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 1896 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 1897 if (bus->ops->wait) 1898 bus->ops->wait(ac97); 1899 else { 1900 udelay(50); 1901 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 1902 err = ac97_reset_wait(ac97, HZ/2, 1); 1903 else { 1904 err = ac97_reset_wait(ac97, HZ/2, 0); 1905 if (err < 0) 1906 err = ac97_reset_wait(ac97, HZ/2, 1); 1907 } 1908 if (err < 0) { 1909 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 1910 /* proceed anyway - it's often non-critical */ 1911 } 1912 } 1913 __access_ok: 1914 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 1915 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 1916 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 1917 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 1918 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 1919 snd_ac97_free(ac97); 1920 return -EIO; 1921 } 1922 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 1923 if (pid) 1924 ac97->flags |= pid->flags; 1925 1926 /* test for AC'97 */ 1927 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 1928 /* test if we can write to the record gain volume register */ 1929 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 1930 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 1931 ac97->scaps |= AC97_SCAP_AUDIO; 1932 } 1933 if (ac97->scaps & AC97_SCAP_AUDIO) { 1934 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 1935 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 1936 if (ac97->ext_id == 0xffff) /* invalid combination */ 1937 ac97->ext_id = 0; 1938 } 1939 1940 /* test for MC'97 */ 1941 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 1942 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1943 if (ac97->ext_mid == 0xffff) /* invalid combination */ 1944 ac97->ext_mid = 0; 1945 if (ac97->ext_mid & 1) 1946 ac97->scaps |= AC97_SCAP_MODEM; 1947 } 1948 1949 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 1950 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 1951 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 1952 snd_ac97_free(ac97); 1953 return -EACCES; 1954 } 1955 1956 if (bus->ops->reset) // FIXME: always skipping? 1957 goto __ready_ok; 1958 1959 /* FIXME: add powerdown control */ 1960 if (ac97_is_audio(ac97)) { 1961 /* nothing should be in powerdown mode */ 1962 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 1963 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 1964 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 1965 udelay(100); 1966 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 1967 } 1968 /* nothing should be in powerdown mode */ 1969 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 1970 end_time = jiffies + (HZ / 10); 1971 do { 1972 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 1973 goto __ready_ok; 1974 set_current_state(TASK_UNINTERRUPTIBLE); 1975 schedule_timeout(1); 1976 } while (time_after_eq(end_time, jiffies)); 1977 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 1978 } 1979 1980 /* FIXME: add powerdown control */ 1981 if (ac97_is_modem(ac97)) { 1982 unsigned char tmp; 1983 1984 /* nothing should be in powerdown mode */ 1985 /* note: it's important to set the rate at first */ 1986 tmp = AC97_MEA_GPIO; 1987 if (ac97->ext_mid & AC97_MEI_LINE1) { 1988 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 1989 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 1990 } 1991 if (ac97->ext_mid & AC97_MEI_LINE2) { 1992 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 1993 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 1994 } 1995 if (ac97->ext_mid & AC97_MEI_HANDSET) { 1996 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 1997 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 1998 } 1999 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2000 udelay(100); 2001 /* nothing should be in powerdown mode */ 2002 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2003 end_time = jiffies + (HZ / 10); 2004 do { 2005 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2006 goto __ready_ok; 2007 set_current_state(TASK_UNINTERRUPTIBLE); 2008 schedule_timeout(1); 2009 } while (time_after_eq(end_time, jiffies)); 2010 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2011 } 2012 2013 __ready_ok: 2014 if (ac97_is_audio(ac97)) 2015 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2016 else 2017 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2018 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2019 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2020 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2021 if (! bus->no_vra) 2022 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2023 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2024 } 2025 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2026 /* Intel controllers require double rate data to be put in 2027 * slots 7+8, so let's hope the codec supports it. */ 2028 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2029 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2030 ac97->flags |= AC97_DOUBLE_RATE; 2031 } 2032 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2033 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2034 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2035 } else { 2036 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2037 if (ac97->flags & AC97_DOUBLE_RATE) 2038 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2039 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2040 } 2041 if (ac97->ext_id & AC97_EI_SPDIF) { 2042 /* codec specific code (patch) should override these values */ 2043 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2044 } 2045 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2046 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2047 } else { 2048 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2049 } 2050 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2051 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2052 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2053 } 2054 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2055 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2056 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2057 } 2058 /* additional initializations */ 2059 if (bus->ops->init) 2060 bus->ops->init(ac97); 2061 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2062 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2063 if (! ac97->build_ops) 2064 ac97->build_ops = &null_build_ops; 2065 2066 if (ac97_is_audio(ac97)) { 2067 char comp[16]; 2068 if (card->mixername[0] == '\0') { 2069 strcpy(card->mixername, name); 2070 } else { 2071 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2072 strcat(card->mixername, ","); 2073 strcat(card->mixername, name); 2074 } 2075 } 2076 sprintf(comp, "AC97a:%08x", ac97->id); 2077 if ((err = snd_component_add(card, comp)) < 0) { 2078 snd_ac97_free(ac97); 2079 return err; 2080 } 2081 if (snd_ac97_mixer_build(ac97) < 0) { 2082 snd_ac97_free(ac97); 2083 return -ENOMEM; 2084 } 2085 } 2086 if (ac97_is_modem(ac97)) { 2087 char comp[16]; 2088 if (card->mixername[0] == '\0') { 2089 strcpy(card->mixername, name); 2090 } else { 2091 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2092 strcat(card->mixername, ","); 2093 strcat(card->mixername, name); 2094 } 2095 } 2096 sprintf(comp, "AC97m:%08x", ac97->id); 2097 if ((err = snd_component_add(card, comp)) < 0) { 2098 snd_ac97_free(ac97); 2099 return err; 2100 } 2101 if (snd_ac97_modem_build(card, ac97) < 0) { 2102 snd_ac97_free(ac97); 2103 return -ENOMEM; 2104 } 2105 } 2106 /* make sure the proper powerdown bits are cleared */ 2107 if (ac97->scaps) { 2108 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2109 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2110 reg &= ~AC97_EA_PRJ; 2111 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2112 reg &= ~(AC97_EA_PRI | AC97_EA_PRK); 2113 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2114 } 2115 snd_ac97_proc_init(ac97); 2116 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2117 snd_ac97_free(ac97); 2118 return err; 2119 } 2120 *rac97 = ac97; 2121 2122 if (bus->shared_type) { 2123 down(&shared_codec_mutex); 2124 shared_codec[bus->shared_type-1][ac97->num] = ac97; 2125 up(&shared_codec_mutex); 2126 } 2127 2128 return 0; 2129 } 2130 2131 2132 /* 2133 * Power down the chip. 2134 * 2135 * MASTER and HEADPHONE registers are muted but the register cache values 2136 * are not changed, so that the values can be restored in snd_ac97_resume(). 2137 */ 2138 static void snd_ac97_powerdown(ac97_t *ac97) 2139 { 2140 unsigned short power; 2141 2142 if (ac97_is_audio(ac97)) { 2143 /* some codecs have stereo mute bits */ 2144 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2145 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2146 } 2147 2148 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */ 2149 power |= 0x4000; /* Headphone amplifier powerdown */ 2150 power |= 0x0300; /* ADC & DAC powerdown */ 2151 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2152 udelay(100); 2153 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */ 2154 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2155 udelay(100); 2156 #if 0 2157 /* FIXME: this causes click noises on some boards at resume */ 2158 power |= 0x3800; /* AC-link powerdown, internal Clk disable */ 2159 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2160 #endif 2161 } 2162 2163 2164 #ifdef CONFIG_PM 2165 /** 2166 * snd_ac97_suspend - General suspend function for AC97 codec 2167 * @ac97: the ac97 instance 2168 * 2169 * Suspends the codec, power down the chip. 2170 */ 2171 void snd_ac97_suspend(ac97_t *ac97) 2172 { 2173 if (ac97->build_ops->suspend) 2174 ac97->build_ops->suspend(ac97); 2175 snd_ac97_powerdown(ac97); 2176 } 2177 2178 /* 2179 * restore ac97 status 2180 */ 2181 void snd_ac97_restore_status(ac97_t *ac97) 2182 { 2183 int i; 2184 2185 for (i = 2; i < 0x7c ; i += 2) { 2186 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2187 continue; 2188 /* restore only accessible registers 2189 * some chip (e.g. nm256) may hang up when unsupported registers 2190 * are accessed..! 2191 */ 2192 if (test_bit(i, ac97->reg_accessed)) { 2193 snd_ac97_write(ac97, i, ac97->regs[i]); 2194 snd_ac97_read(ac97, i); 2195 } 2196 } 2197 } 2198 2199 /* 2200 * restore IEC958 status 2201 */ 2202 void snd_ac97_restore_iec958(ac97_t *ac97) 2203 { 2204 if (ac97->ext_id & AC97_EI_SPDIF) { 2205 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2206 /* reset spdif status */ 2207 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2208 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2209 if (ac97->flags & AC97_CS_SPDIF) 2210 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2211 else 2212 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2213 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2214 } 2215 } 2216 } 2217 2218 /** 2219 * snd_ac97_resume - General resume function for AC97 codec 2220 * @ac97: the ac97 instance 2221 * 2222 * Do the standard resume procedure, power up and restoring the 2223 * old register values. 2224 */ 2225 void snd_ac97_resume(ac97_t *ac97) 2226 { 2227 int i; 2228 2229 if (ac97->bus->ops->reset) { 2230 ac97->bus->ops->reset(ac97); 2231 goto __reset_ready; 2232 } 2233 2234 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2235 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2236 snd_ac97_write(ac97, AC97_RESET, 0); 2237 udelay(100); 2238 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2239 } 2240 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2241 2242 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2243 if (ac97_is_audio(ac97)) { 2244 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2245 for (i = HZ/10; i >= 0; i--) { 2246 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2247 break; 2248 set_current_state(TASK_UNINTERRUPTIBLE); 2249 schedule_timeout(1); 2250 } 2251 /* FIXME: extra delay */ 2252 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); 2253 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) { 2254 set_current_state(TASK_UNINTERRUPTIBLE); 2255 schedule_timeout(HZ/4); 2256 } 2257 } else { 2258 for (i = HZ/10; i >= 0; i--) { 2259 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2260 if (val != 0xffff && (val & 1) != 0) 2261 break; 2262 set_current_state(TASK_UNINTERRUPTIBLE); 2263 schedule_timeout(1); 2264 } 2265 } 2266 __reset_ready: 2267 2268 if (ac97->bus->ops->init) 2269 ac97->bus->ops->init(ac97); 2270 2271 if (ac97->build_ops->resume) 2272 ac97->build_ops->resume(ac97); 2273 else { 2274 snd_ac97_restore_status(ac97); 2275 snd_ac97_restore_iec958(ac97); 2276 } 2277 } 2278 #endif 2279 2280 2281 /* 2282 * Hardware tuning 2283 */ 2284 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2285 { 2286 if (suffix) 2287 sprintf(dst, "%s %s", src, suffix); 2288 else 2289 strcpy(dst, src); 2290 } 2291 2292 /* remove the control with the given name and optional suffix */ 2293 int snd_ac97_remove_ctl(ac97_t *ac97, const char *name, const char *suffix) 2294 { 2295 snd_ctl_elem_id_t id; 2296 memset(&id, 0, sizeof(id)); 2297 set_ctl_name(id.name, name, suffix); 2298 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2299 return snd_ctl_remove_id(ac97->bus->card, &id); 2300 } 2301 2302 static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name, const char *suffix) 2303 { 2304 snd_ctl_elem_id_t sid; 2305 memset(&sid, 0, sizeof(sid)); 2306 set_ctl_name(sid.name, name, suffix); 2307 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2308 return snd_ctl_find_id(ac97->bus->card, &sid); 2309 } 2310 2311 /* rename the control with the given name and optional suffix */ 2312 int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const char *suffix) 2313 { 2314 snd_kcontrol_t *kctl = ctl_find(ac97, src, suffix); 2315 if (kctl) { 2316 set_ctl_name(kctl->id.name, dst, suffix); 2317 return 0; 2318 } 2319 return -ENOENT; 2320 } 2321 2322 /* rename both Volume and Switch controls - don't check the return value */ 2323 void snd_ac97_rename_vol_ctl(ac97_t *ac97, const char *src, const char *dst) 2324 { 2325 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2326 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2327 } 2328 2329 /* swap controls */ 2330 int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *suffix) 2331 { 2332 snd_kcontrol_t *kctl1, *kctl2; 2333 kctl1 = ctl_find(ac97, s1, suffix); 2334 kctl2 = ctl_find(ac97, s2, suffix); 2335 if (kctl1 && kctl2) { 2336 set_ctl_name(kctl1->id.name, s2, suffix); 2337 set_ctl_name(kctl2->id.name, s1, suffix); 2338 return 0; 2339 } 2340 return -ENOENT; 2341 } 2342 2343 #if 1 2344 /* bind hp and master controls instead of using only hp control */ 2345 static int bind_hp_volsw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 2346 { 2347 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2348 if (err > 0) { 2349 unsigned long priv_saved = kcontrol->private_value; 2350 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2351 snd_ac97_put_volsw(kcontrol, ucontrol); 2352 kcontrol->private_value = priv_saved; 2353 } 2354 return err; 2355 } 2356 2357 /* ac97 tune: bind Master and Headphone controls */ 2358 static int tune_hp_only(ac97_t *ac97) 2359 { 2360 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2361 snd_kcontrol_t *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2362 if (! msw || ! mvol) 2363 return -ENOENT; 2364 msw->put = bind_hp_volsw_put; 2365 mvol->put = bind_hp_volsw_put; 2366 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2367 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2368 return 0; 2369 } 2370 2371 #else 2372 /* ac97 tune: use Headphone control as master */ 2373 static int tune_hp_only(ac97_t *ac97) 2374 { 2375 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2376 return -ENOENT; 2377 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2378 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2379 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2380 return 0; 2381 } 2382 #endif 2383 2384 /* ac97 tune: swap Headphone and Master controls */ 2385 static int tune_swap_hp(ac97_t *ac97) 2386 { 2387 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2388 return -ENOENT; 2389 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2390 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2391 return 0; 2392 } 2393 2394 /* ac97 tune: swap Surround and Master controls */ 2395 static int tune_swap_surround(ac97_t *ac97) 2396 { 2397 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2398 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2399 return -ENOENT; 2400 return 0; 2401 } 2402 2403 /* ac97 tune: set up mic sharing for AD codecs */ 2404 static int tune_ad_sharing(ac97_t *ac97) 2405 { 2406 unsigned short scfg; 2407 if ((ac97->id & 0xffffff00) != 0x41445300) { 2408 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2409 return -EINVAL; 2410 } 2411 /* Turn on OMS bit to route microphone to back panel */ 2412 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2413 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2414 return 0; 2415 } 2416 2417 static const snd_kcontrol_new_t snd_ac97_alc_jack_detect = 2418 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2419 2420 /* ac97 tune: set up ALC jack-select */ 2421 static int tune_alc_jack(ac97_t *ac97) 2422 { 2423 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2424 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2425 return -EINVAL; 2426 } 2427 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2428 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2429 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2430 } 2431 2432 /* ac97 tune: inversed EAPD bit */ 2433 static int tune_inv_eapd(ac97_t *ac97) 2434 { 2435 snd_kcontrol_t *kctl = ctl_find(ac97, "External Amplifier", NULL); 2436 if (! kctl) 2437 return -ENOENT; 2438 set_inv_eapd(ac97, kctl); 2439 return 0; 2440 } 2441 2442 static int master_mute_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 2443 { 2444 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2445 if (err > 0) { 2446 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 2447 int shift = (kcontrol->private_value >> 8) & 0x0f; 2448 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2449 unsigned short mask; 2450 if (shift != rshift) 2451 mask = 0x8080; 2452 else 2453 mask = 0x8000; 2454 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2455 (ac97->regs[AC97_MASTER] & mask) == mask ? 2456 0x8000 : 0); 2457 } 2458 return err; 2459 } 2460 2461 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2462 static int tune_mute_led(ac97_t *ac97) 2463 { 2464 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2465 if (! msw) 2466 return -ENOENT; 2467 msw->put = master_mute_sw_put; 2468 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2469 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2470 return 0; 2471 } 2472 2473 struct quirk_table { 2474 const char *name; 2475 int (*func)(ac97_t *); 2476 }; 2477 2478 static struct quirk_table applicable_quirks[] = { 2479 { "none", NULL }, 2480 { "hp_only", tune_hp_only }, 2481 { "swap_hp", tune_swap_hp }, 2482 { "swap_surround", tune_swap_surround }, 2483 { "ad_sharing", tune_ad_sharing }, 2484 { "alc_jack", tune_alc_jack }, 2485 { "inv_eapd", tune_inv_eapd }, 2486 { "mute_led", tune_mute_led }, 2487 }; 2488 2489 /* apply the quirk with the given type */ 2490 static int apply_quirk(ac97_t *ac97, int type) 2491 { 2492 if (type <= 0) 2493 return 0; 2494 else if (type >= ARRAY_SIZE(applicable_quirks)) 2495 return -EINVAL; 2496 if (applicable_quirks[type].func) 2497 return applicable_quirks[type].func(ac97); 2498 return 0; 2499 } 2500 2501 /* apply the quirk with the given name */ 2502 static int apply_quirk_str(ac97_t *ac97, const char *typestr) 2503 { 2504 int i; 2505 struct quirk_table *q; 2506 2507 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2508 q = &applicable_quirks[i]; 2509 if (q->name && ! strcmp(typestr, q->name)) 2510 return apply_quirk(ac97, i); 2511 } 2512 /* for compatibility, accept the numbers, too */ 2513 if (*typestr >= '0' && *typestr <= '9') 2514 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2515 return -EINVAL; 2516 } 2517 2518 /** 2519 * snd_ac97_tune_hardware - tune up the hardware 2520 * @ac97: the ac97 instance 2521 * @quirk: quirk list 2522 * @override: explicit quirk value (overrides the list if non-NULL) 2523 * 2524 * Do some workaround for each pci device, such as renaming of the 2525 * headphone (true line-out) control as "Master". 2526 * The quirk-list must be terminated with a zero-filled entry. 2527 * 2528 * Returns zero if successful, or a negative error code on failure. 2529 */ 2530 2531 int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override) 2532 { 2533 int result; 2534 2535 snd_assert(quirk, return -EINVAL); 2536 2537 /* quirk overriden? */ 2538 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2539 result = apply_quirk_str(ac97, override); 2540 if (result < 0) 2541 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2542 return result; 2543 } 2544 2545 for (; quirk->subvendor; quirk++) { 2546 if (quirk->subvendor != ac97->subsystem_vendor) 2547 continue; 2548 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2549 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2550 if (quirk->codec_id && quirk->codec_id != ac97->id) 2551 continue; 2552 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2553 result = apply_quirk(ac97, quirk->type); 2554 if (result < 0) 2555 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2556 return result; 2557 } 2558 } 2559 return 0; 2560 } 2561 2562 2563 /* 2564 * Exported symbols 2565 */ 2566 2567 EXPORT_SYMBOL(snd_ac97_write); 2568 EXPORT_SYMBOL(snd_ac97_read); 2569 EXPORT_SYMBOL(snd_ac97_write_cache); 2570 EXPORT_SYMBOL(snd_ac97_update); 2571 EXPORT_SYMBOL(snd_ac97_update_bits); 2572 EXPORT_SYMBOL(snd_ac97_get_short_name); 2573 EXPORT_SYMBOL(snd_ac97_bus); 2574 EXPORT_SYMBOL(snd_ac97_mixer); 2575 EXPORT_SYMBOL(snd_ac97_pcm_assign); 2576 EXPORT_SYMBOL(snd_ac97_pcm_open); 2577 EXPORT_SYMBOL(snd_ac97_pcm_close); 2578 EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules); 2579 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2580 EXPORT_SYMBOL(snd_ac97_set_rate); 2581 #ifdef CONFIG_PM 2582 EXPORT_SYMBOL(snd_ac97_resume); 2583 EXPORT_SYMBOL(snd_ac97_suspend); 2584 #endif 2585 2586 /* 2587 * INIT part 2588 */ 2589 2590 static int __init alsa_ac97_init(void) 2591 { 2592 return 0; 2593 } 2594 2595 static void __exit alsa_ac97_exit(void) 2596 { 2597 } 2598 2599 module_init(alsa_ac97_init) 2600 module_exit(alsa_ac97_exit) 2601