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 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ 116 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 117 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 118 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 119 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 120 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 121 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL }, 122 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, 123 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, 124 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, 125 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 126 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 127 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 128 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, 129 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, 130 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, 131 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, 132 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, 133 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, 134 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, 135 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, 136 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, 137 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II 138 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different 139 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 140 { 0x454d4328, 0xffffffff, "28028", NULL, NULL }, // same as TR28028? 141 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 142 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 143 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 144 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 145 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 146 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 147 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 148 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 149 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 150 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 151 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 152 { 0x4e534350, 0xffffffff, "LM4550", NULL, NULL }, 153 { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL }, 154 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 155 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 156 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 157 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 158 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 159 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 160 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 161 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 162 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 163 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL }, 164 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 165 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 166 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 167 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 168 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL}, 169 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 170 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL }, 171 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 172 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 173 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 174 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 175 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 176 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 177 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 178 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 179 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 180 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 181 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 182 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 183 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 184 { 0, 0, NULL, NULL, NULL } 185 }; 186 187 const char *snd_ac97_stereo_enhancements[] = 188 { 189 /* 0 */ "No 3D Stereo Enhancement", 190 /* 1 */ "Analog Devices Phat Stereo", 191 /* 2 */ "Creative Stereo Enhancement", 192 /* 3 */ "National Semi 3D Stereo Enhancement", 193 /* 4 */ "YAMAHA Ymersion", 194 /* 5 */ "BBE 3D Stereo Enhancement", 195 /* 6 */ "Crystal Semi 3D Stereo Enhancement", 196 /* 7 */ "Qsound QXpander", 197 /* 8 */ "Spatializer 3D Stereo Enhancement", 198 /* 9 */ "SRS 3D Stereo Enhancement", 199 /* 10 */ "Platform Tech 3D Stereo Enhancement", 200 /* 11 */ "AKM 3D Audio", 201 /* 12 */ "Aureal Stereo Enhancement", 202 /* 13 */ "Aztech 3D Enhancement", 203 /* 14 */ "Binaura 3D Audio Enhancement", 204 /* 15 */ "ESS Technology Stereo Enhancement", 205 /* 16 */ "Harman International VMAx", 206 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement", 207 /* 18 */ "Philips Incredible Sound", 208 /* 19 */ "Texas Instruments 3D Stereo Enhancement", 209 /* 20 */ "VLSI Technology 3D Stereo Enhancement", 210 /* 21 */ "TriTech 3D Stereo Enhancement", 211 /* 22 */ "Realtek 3D Stereo Enhancement", 212 /* 23 */ "Samsung 3D Stereo Enhancement", 213 /* 24 */ "Wolfson Microelectronics 3D Enhancement", 214 /* 25 */ "Delta Integration 3D Enhancement", 215 /* 26 */ "SigmaTel 3D Enhancement", 216 /* 27 */ "IC Ensemble/KS Waves", 217 /* 28 */ "Rockwell 3D Stereo Enhancement", 218 /* 29 */ "Reserved 29", 219 /* 30 */ "Reserved 30", 220 /* 31 */ "Reserved 31" 221 }; 222 223 /* 224 * Shared AC97 controllers (ICH, ATIIXP...) 225 */ 226 static DECLARE_MUTEX(shared_codec_mutex); 227 static ac97_t *shared_codec[AC97_SHARED_TYPES][4]; 228 229 230 /* 231 * I/O routines 232 */ 233 234 static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg) 235 { 236 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed)) 237 return 0; 238 239 /* filter some registers for buggy codecs */ 240 switch (ac97->id) { 241 case AC97_ID_AK4540: 242 case AC97_ID_AK4542: 243 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 244 return 1; 245 return 0; 246 case AC97_ID_AD1819: /* AD1819 */ 247 case AC97_ID_AD1881: /* AD1881 */ 248 case AC97_ID_AD1881A: /* AD1881A */ 249 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 250 return 0; 251 return 1; 252 case AC97_ID_AD1885: /* AD1885 */ 253 case AC97_ID_AD1886: /* AD1886 */ 254 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 255 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 256 if (reg == 0x5a) 257 return 1; 258 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 259 return 0; 260 return 1; 261 case AC97_ID_STAC9700: 262 case AC97_ID_STAC9704: 263 case AC97_ID_STAC9705: 264 case AC97_ID_STAC9708: 265 case AC97_ID_STAC9721: 266 case AC97_ID_STAC9744: 267 case AC97_ID_STAC9756: 268 if (reg <= 0x3a || reg >= 0x5a) 269 return 1; 270 return 0; 271 } 272 return 1; 273 } 274 275 /** 276 * snd_ac97_write - write a value on the given register 277 * @ac97: the ac97 instance 278 * @reg: the register to change 279 * @value: the value to set 280 * 281 * Writes a value on the given register. This will invoke the write 282 * callback directly after the register check. 283 * This function doesn't change the register cache unlike 284 * #snd_ca97_write_cache(), so use this only when you don't want to 285 * reflect the change to the suspend/resume state. 286 */ 287 void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value) 288 { 289 if (!snd_ac97_valid_reg(ac97, reg)) 290 return; 291 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 292 /* Fix H/W bug of ALC100/100P */ 293 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 294 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 295 } 296 ac97->bus->ops->write(ac97, reg, value); 297 } 298 299 /** 300 * snd_ac97_read - read a value from the given register 301 * 302 * @ac97: the ac97 instance 303 * @reg: the register to read 304 * 305 * Reads a value from the given register. This will invoke the read 306 * callback directly after the register check. 307 * 308 * Returns the read value. 309 */ 310 unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg) 311 { 312 if (!snd_ac97_valid_reg(ac97, reg)) 313 return 0; 314 return ac97->bus->ops->read(ac97, reg); 315 } 316 317 /* read a register - return the cached value if already read */ 318 static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short reg) 319 { 320 if (! test_bit(reg, ac97->reg_accessed)) { 321 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 322 // set_bit(reg, ac97->reg_accessed); 323 } 324 return ac97->regs[reg]; 325 } 326 327 /** 328 * snd_ac97_write_cache - write a value on the given register and update the cache 329 * @ac97: the ac97 instance 330 * @reg: the register to change 331 * @value: the value to set 332 * 333 * Writes a value on the given register and updates the register 334 * cache. The cached values are used for the cached-read and the 335 * suspend/resume. 336 */ 337 void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value) 338 { 339 if (!snd_ac97_valid_reg(ac97, reg)) 340 return; 341 down(&ac97->reg_mutex); 342 ac97->regs[reg] = value; 343 ac97->bus->ops->write(ac97, reg, value); 344 set_bit(reg, ac97->reg_accessed); 345 up(&ac97->reg_mutex); 346 } 347 348 /** 349 * snd_ac97_update - update the value on the given register 350 * @ac97: the ac97 instance 351 * @reg: the register to change 352 * @value: the value to set 353 * 354 * Compares the value with the register cache and updates the value 355 * only when the value is changed. 356 * 357 * Returns 1 if the value is changed, 0 if no change, or a negative 358 * code on failure. 359 */ 360 int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value) 361 { 362 int change; 363 364 if (!snd_ac97_valid_reg(ac97, reg)) 365 return -EINVAL; 366 down(&ac97->reg_mutex); 367 change = ac97->regs[reg] != value; 368 if (change) { 369 ac97->regs[reg] = value; 370 ac97->bus->ops->write(ac97, reg, value); 371 } 372 set_bit(reg, ac97->reg_accessed); 373 up(&ac97->reg_mutex); 374 return change; 375 } 376 377 /** 378 * snd_ac97_update_bits - update the bits on the given register 379 * @ac97: the ac97 instance 380 * @reg: the register to change 381 * @mask: the bit-mask to change 382 * @value: the value to set 383 * 384 * Updates the masked-bits on the given register only when the value 385 * is changed. 386 * 387 * Returns 1 if the bits are changed, 0 if no change, or a negative 388 * code on failure. 389 */ 390 int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value) 391 { 392 int change; 393 394 if (!snd_ac97_valid_reg(ac97, reg)) 395 return -EINVAL; 396 down(&ac97->reg_mutex); 397 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 398 up(&ac97->reg_mutex); 399 return change; 400 } 401 402 /* no lock version - see snd_ac97_updat_bits() */ 403 int snd_ac97_update_bits_nolock(ac97_t *ac97, unsigned short reg, 404 unsigned short mask, unsigned short value) 405 { 406 int change; 407 unsigned short old, new; 408 409 old = snd_ac97_read_cache(ac97, reg); 410 new = (old & ~mask) | value; 411 change = old != new; 412 if (change) { 413 ac97->regs[reg] = new; 414 ac97->bus->ops->write(ac97, reg, new); 415 } 416 set_bit(reg, ac97->reg_accessed); 417 return change; 418 } 419 420 static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value) 421 { 422 int change; 423 unsigned short old, new, cfg; 424 425 down(&ac97->page_mutex); 426 old = ac97->spec.ad18xx.pcmreg[codec]; 427 new = (old & ~mask) | value; 428 change = old != new; 429 if (change) { 430 down(&ac97->reg_mutex); 431 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 432 ac97->spec.ad18xx.pcmreg[codec] = new; 433 /* select single codec */ 434 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 435 (cfg & ~0x7000) | 436 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 437 /* update PCM bits */ 438 ac97->bus->ops->write(ac97, AC97_PCM, new); 439 /* select all codecs */ 440 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 441 cfg | 0x7000); 442 up(&ac97->reg_mutex); 443 } 444 up(&ac97->page_mutex); 445 return change; 446 } 447 448 /* 449 * Controls 450 */ 451 452 int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 453 { 454 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 455 456 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 457 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 458 uinfo->value.enumerated.items = e->mask; 459 460 if (uinfo->value.enumerated.item > e->mask - 1) 461 uinfo->value.enumerated.item = e->mask - 1; 462 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 463 return 0; 464 } 465 466 int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 467 { 468 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 469 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 470 unsigned short val, bitmask; 471 472 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 473 ; 474 val = snd_ac97_read_cache(ac97, e->reg); 475 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 476 if (e->shift_l != e->shift_r) 477 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 478 479 return 0; 480 } 481 482 int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 483 { 484 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 485 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 486 unsigned short val; 487 unsigned short mask, bitmask; 488 489 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 490 ; 491 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 492 return -EINVAL; 493 val = ucontrol->value.enumerated.item[0] << e->shift_l; 494 mask = (bitmask - 1) << e->shift_l; 495 if (e->shift_l != e->shift_r) { 496 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 497 return -EINVAL; 498 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 499 mask |= (bitmask - 1) << e->shift_r; 500 } 501 return snd_ac97_update_bits(ac97, e->reg, mask, val); 502 } 503 504 /* save/restore ac97 v2.3 paging */ 505 static int snd_ac97_page_save(ac97_t *ac97, int reg, snd_kcontrol_t *kcontrol) 506 { 507 int page_save = -1; 508 if ((kcontrol->private_value & (1<<25)) && 509 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 510 (reg >= 0x60 && reg < 0x70)) { 511 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 512 down(&ac97->page_mutex); /* lock paging */ 513 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 514 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 515 } 516 return page_save; 517 } 518 519 static void snd_ac97_page_restore(ac97_t *ac97, int page_save) 520 { 521 if (page_save >= 0) { 522 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 523 up(&ac97->page_mutex); /* unlock paging */ 524 } 525 } 526 527 /* volume and switch controls */ 528 int snd_ac97_info_volsw(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 529 { 530 int mask = (kcontrol->private_value >> 16) & 0xff; 531 int shift = (kcontrol->private_value >> 8) & 0x0f; 532 int rshift = (kcontrol->private_value >> 12) & 0x0f; 533 534 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 535 uinfo->count = shift == rshift ? 1 : 2; 536 uinfo->value.integer.min = 0; 537 uinfo->value.integer.max = mask; 538 return 0; 539 } 540 541 int snd_ac97_get_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 542 { 543 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 544 int reg = kcontrol->private_value & 0xff; 545 int shift = (kcontrol->private_value >> 8) & 0x0f; 546 int rshift = (kcontrol->private_value >> 12) & 0x0f; 547 int mask = (kcontrol->private_value >> 16) & 0xff; 548 int invert = (kcontrol->private_value >> 24) & 0x01; 549 int page_save; 550 551 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 552 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 553 if (shift != rshift) 554 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 555 if (invert) { 556 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 557 if (shift != rshift) 558 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 559 } 560 snd_ac97_page_restore(ac97, page_save); 561 return 0; 562 } 563 564 int snd_ac97_put_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 565 { 566 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 567 int reg = kcontrol->private_value & 0xff; 568 int shift = (kcontrol->private_value >> 8) & 0x0f; 569 int rshift = (kcontrol->private_value >> 12) & 0x0f; 570 int mask = (kcontrol->private_value >> 16) & 0xff; 571 int invert = (kcontrol->private_value >> 24) & 0x01; 572 int err, page_save; 573 unsigned short val, val2, val_mask; 574 575 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 576 val = (ucontrol->value.integer.value[0] & mask); 577 if (invert) 578 val = mask - val; 579 val_mask = mask << shift; 580 val = val << shift; 581 if (shift != rshift) { 582 val2 = (ucontrol->value.integer.value[1] & mask); 583 if (invert) 584 val2 = mask - val2; 585 val_mask |= mask << rshift; 586 val |= val2 << rshift; 587 } 588 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 589 snd_ac97_page_restore(ac97, page_save); 590 return err; 591 } 592 593 static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = { 594 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 595 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 596 }; 597 598 static const snd_kcontrol_new_t snd_ac97_controls_tone[2] = { 599 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 600 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 601 }; 602 603 static const snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = { 604 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), 605 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) 606 }; 607 608 static const snd_kcontrol_new_t snd_ac97_controls_mic_boost = 609 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 610 611 612 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 613 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 614 static const char* std_mix[] = {"Mix", "Mic"}; 615 static const char* std_mic[] = {"Mic1", "Mic2"}; 616 617 static const struct ac97_enum std_enum[] = { 618 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 619 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 621 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 622 }; 623 624 static const snd_kcontrol_new_t snd_ac97_control_capture_src = 625 AC97_ENUM("Capture Source", std_enum[0]); 626 627 static const snd_kcontrol_new_t snd_ac97_control_capture_vol = 628 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 629 630 static const snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = { 631 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 632 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 633 }; 634 635 typedef enum { 636 AC97_GENERAL_PCM_OUT = 0, 637 AC97_GENERAL_STEREO_ENHANCEMENT, 638 AC97_GENERAL_3D, 639 AC97_GENERAL_LOUDNESS, 640 AC97_GENERAL_MONO, 641 AC97_GENERAL_MIC, 642 AC97_GENERAL_LOOPBACK 643 } ac97_general_index_t; 644 645 static const snd_kcontrol_new_t snd_ac97_controls_general[7] = { 646 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 647 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 648 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 649 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 650 AC97_ENUM("Mono Output Select", std_enum[2]), 651 AC97_ENUM("Mic Select", std_enum[3]), 652 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 653 }; 654 655 const snd_kcontrol_new_t snd_ac97_controls_3d[2] = { 656 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 657 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 658 }; 659 660 static const snd_kcontrol_new_t snd_ac97_controls_center[2] = { 661 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 662 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 663 }; 664 665 static const snd_kcontrol_new_t snd_ac97_controls_lfe[2] = { 666 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 667 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 668 }; 669 670 static const snd_kcontrol_new_t snd_ac97_control_eapd = 671 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 672 673 static const snd_kcontrol_new_t snd_ac97_controls_modem_switches[2] = { 674 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 675 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 676 }; 677 678 /* change the existing EAPD control as inverted */ 679 static void set_inv_eapd(ac97_t *ac97, snd_kcontrol_t *kctl) 680 { 681 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 682 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 683 ac97->scaps |= AC97_SCAP_INV_EAPD; 684 } 685 686 static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 687 { 688 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 689 uinfo->count = 1; 690 return 0; 691 } 692 693 static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 694 { 695 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 696 IEC958_AES0_NONAUDIO | 697 IEC958_AES0_CON_EMPHASIS_5015 | 698 IEC958_AES0_CON_NOT_COPYRIGHT; 699 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 700 IEC958_AES1_CON_ORIGINAL; 701 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 702 return 0; 703 } 704 705 static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 706 { 707 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 708 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 709 IEC958_AES0_NONAUDIO | 710 IEC958_AES0_PRO_FS | 711 IEC958_AES0_PRO_EMPHASIS_5015; 712 return 0; 713 } 714 715 static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 716 { 717 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 718 719 down(&ac97->reg_mutex); 720 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 721 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 722 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 723 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 724 up(&ac97->reg_mutex); 725 return 0; 726 } 727 728 static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 729 { 730 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 731 unsigned int new = 0; 732 unsigned short val = 0; 733 int change; 734 735 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 736 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 737 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 738 switch (new & IEC958_AES0_PRO_FS) { 739 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 740 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 741 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 742 default: val |= 1<<12; break; 743 } 744 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 745 val |= 1<<3; 746 } else { 747 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 748 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 749 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 750 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 751 val |= 1<<3; 752 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 753 val |= 1<<2; 754 val |= ((new >> 8) & 0xff) << 4; // category + original 755 switch ((new >> 24) & 0xff) { 756 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 757 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 758 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 759 default: val |= 1<<12; break; 760 } 761 } 762 763 down(&ac97->reg_mutex); 764 change = ac97->spdif_status != new; 765 ac97->spdif_status = new; 766 767 if (ac97->flags & AC97_CS_SPDIF) { 768 int x = (val >> 12) & 0x03; 769 switch (x) { 770 case 0: x = 1; break; // 44.1 771 case 2: x = 0; break; // 48.0 772 default: x = 0; break; // illegal. 773 } 774 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 775 } else if (ac97->flags & AC97_CX_SPDIF) { 776 int v; 777 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 778 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 779 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 780 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 781 v); 782 } else { 783 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 784 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 785 786 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 787 if (extst & AC97_EA_SPDIF) { 788 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 789 } 790 } 791 up(&ac97->reg_mutex); 792 793 return change; 794 } 795 796 static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 797 { 798 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 799 int reg = kcontrol->private_value & 0xff; 800 int shift = (kcontrol->private_value >> 8) & 0xff; 801 int mask = (kcontrol->private_value >> 16) & 0xff; 802 // int invert = (kcontrol->private_value >> 24) & 0xff; 803 unsigned short value, old, new; 804 int change; 805 806 value = (ucontrol->value.integer.value[0] & mask); 807 808 down(&ac97->reg_mutex); 809 mask <<= shift; 810 value <<= shift; 811 old = snd_ac97_read_cache(ac97, reg); 812 new = (old & ~mask) | value; 813 change = old != new; 814 815 if (change) { 816 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 817 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 818 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 819 if (extst & AC97_EA_SPDIF) 820 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 821 } 822 up(&ac97->reg_mutex); 823 return change; 824 } 825 826 const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = { 827 { 828 .access = SNDRV_CTL_ELEM_ACCESS_READ, 829 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 830 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 831 .info = snd_ac97_spdif_mask_info, 832 .get = snd_ac97_spdif_cmask_get, 833 }, 834 { 835 .access = SNDRV_CTL_ELEM_ACCESS_READ, 836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 838 .info = snd_ac97_spdif_mask_info, 839 .get = snd_ac97_spdif_pmask_get, 840 }, 841 { 842 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 843 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 844 .info = snd_ac97_spdif_mask_info, 845 .get = snd_ac97_spdif_default_get, 846 .put = snd_ac97_spdif_default_put, 847 }, 848 849 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 850 { 851 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 852 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 853 .info = snd_ac97_info_volsw, 854 .get = snd_ac97_get_volsw, 855 .put = snd_ac97_put_spsa, 856 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 857 }, 858 }; 859 860 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 861 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 862 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 863 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 864 865 static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 866 { 867 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 868 int mask = (kcontrol->private_value >> 16) & 0x0f; 869 int lshift = (kcontrol->private_value >> 8) & 0x0f; 870 int rshift = (kcontrol->private_value >> 12) & 0x0f; 871 872 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 873 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 874 uinfo->count = 2; 875 else 876 uinfo->count = 1; 877 uinfo->value.integer.min = 0; 878 uinfo->value.integer.max = mask; 879 return 0; 880 } 881 882 static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 883 { 884 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 885 int codec = kcontrol->private_value & 3; 886 int lshift = (kcontrol->private_value >> 8) & 0x0f; 887 int rshift = (kcontrol->private_value >> 12) & 0x0f; 888 int mask = (kcontrol->private_value >> 16) & 0xff; 889 890 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 891 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 892 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 893 return 0; 894 } 895 896 static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 897 { 898 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 899 int codec = kcontrol->private_value & 3; 900 int lshift = (kcontrol->private_value >> 8) & 0x0f; 901 int rshift = (kcontrol->private_value >> 12) & 0x0f; 902 int mask = (kcontrol->private_value >> 16) & 0xff; 903 unsigned short val, valmask; 904 905 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 906 valmask = mask << lshift; 907 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 908 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 909 valmask |= mask << rshift; 910 } 911 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 912 } 913 914 #define AD18XX_PCM_VOLUME(xname, codec) \ 915 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 916 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 917 .private_value = codec } 918 919 static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 920 { 921 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 922 uinfo->count = 2; 923 uinfo->value.integer.min = 0; 924 uinfo->value.integer.max = 31; 925 return 0; 926 } 927 928 static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 929 { 930 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 931 int codec = kcontrol->private_value & 3; 932 933 down(&ac97->page_mutex); 934 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 935 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 936 up(&ac97->page_mutex); 937 return 0; 938 } 939 940 static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 941 { 942 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 943 int codec = kcontrol->private_value & 3; 944 unsigned short val1, val2; 945 946 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 947 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 948 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 949 } 950 951 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = { 952 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 953 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 954 }; 955 956 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = { 957 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 958 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 959 }; 960 961 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = { 962 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 963 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 964 }; 965 966 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = { 967 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 968 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 969 }; 970 971 /* 972 * 973 */ 974 975 static void snd_ac97_powerdown(ac97_t *ac97); 976 977 static int snd_ac97_bus_free(ac97_bus_t *bus) 978 { 979 if (bus) { 980 snd_ac97_bus_proc_done(bus); 981 kfree(bus->pcms); 982 if (bus->private_free) 983 bus->private_free(bus); 984 kfree(bus); 985 } 986 return 0; 987 } 988 989 static int snd_ac97_bus_dev_free(snd_device_t *device) 990 { 991 ac97_bus_t *bus = device->device_data; 992 return snd_ac97_bus_free(bus); 993 } 994 995 static int snd_ac97_free(ac97_t *ac97) 996 { 997 if (ac97) { 998 snd_ac97_proc_done(ac97); 999 if (ac97->bus) { 1000 ac97->bus->codec[ac97->num] = NULL; 1001 if (ac97->bus->shared_type) { 1002 down(&shared_codec_mutex); 1003 shared_codec[ac97->bus->shared_type-1][ac97->num] = NULL; 1004 up(&shared_codec_mutex); 1005 } 1006 } 1007 if (ac97->private_free) 1008 ac97->private_free(ac97); 1009 kfree(ac97); 1010 } 1011 return 0; 1012 } 1013 1014 static int snd_ac97_dev_free(snd_device_t *device) 1015 { 1016 ac97_t *ac97 = device->device_data; 1017 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1018 return snd_ac97_free(ac97); 1019 } 1020 1021 static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg) 1022 { 1023 unsigned short val, mask = 0x8000; 1024 1025 if (! snd_ac97_valid_reg(ac97, reg)) 1026 return 0; 1027 1028 switch (reg) { 1029 case AC97_MASTER_TONE: 1030 return ac97->caps & 0x04 ? 1 : 0; 1031 case AC97_HEADPHONE: 1032 return ac97->caps & 0x10 ? 1 : 0; 1033 case AC97_REC_GAIN_MIC: 1034 return ac97->caps & 0x01 ? 1 : 0; 1035 case AC97_3D_CONTROL: 1036 if (ac97->caps & 0x7c00) { 1037 val = snd_ac97_read(ac97, reg); 1038 /* if nonzero - fixed and we can't set it */ 1039 return val == 0; 1040 } 1041 return 0; 1042 case AC97_CENTER_LFE_MASTER: /* center */ 1043 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1044 return 0; 1045 break; 1046 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1047 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1048 return 0; 1049 reg = AC97_CENTER_LFE_MASTER; 1050 mask = 0x0080; 1051 break; 1052 case AC97_SURROUND_MASTER: 1053 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1054 return 0; 1055 break; 1056 } 1057 1058 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed)) 1059 return 1; /* allow without check */ 1060 1061 val = snd_ac97_read(ac97, reg); 1062 if (!(val & mask)) { 1063 /* nothing seems to be here - mute flag is not set */ 1064 /* try another test */ 1065 snd_ac97_write_cache(ac97, reg, val | mask); 1066 val = snd_ac97_read(ac97, reg); 1067 if (!(val & mask)) 1068 return 0; /* nothing here */ 1069 } 1070 return 1; /* success, useable */ 1071 } 1072 1073 static void check_volume_resolution(ac97_t *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1074 { 1075 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1076 unsigned char max[3] = { 63, 31, 15 }; 1077 int i; 1078 1079 *lo_max = *hi_max = 0; 1080 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1081 unsigned short val; 1082 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); 1083 /* Do the read twice due to buffers on some ac97 codecs. 1084 * e.g. The STAC9704 returns exactly what you wrote the the register 1085 * if you read it immediately. This causes the detect routine to fail. 1086 */ 1087 val = snd_ac97_read(ac97, reg); 1088 val = snd_ac97_read(ac97, reg); 1089 if (! *lo_max && (val & 0x7f) == cbit[i]) 1090 *lo_max = max[i]; 1091 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1092 *hi_max = max[i]; 1093 if (*lo_max && *hi_max) 1094 break; 1095 } 1096 } 1097 1098 int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit) 1099 { 1100 unsigned short mask, val, orig, res; 1101 1102 mask = 1 << bit; 1103 orig = snd_ac97_read(ac97, reg); 1104 val = orig ^ mask; 1105 snd_ac97_write(ac97, reg, val); 1106 res = snd_ac97_read(ac97, reg); 1107 snd_ac97_write_cache(ac97, reg, orig); 1108 return res == val; 1109 } 1110 1111 /* check the volume resolution of center/lfe */ 1112 static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max) 1113 { 1114 unsigned short val, val1; 1115 1116 *max = 63; 1117 val = 0x8080 | (0x20 << shift); 1118 snd_ac97_write(ac97, reg, val); 1119 val1 = snd_ac97_read(ac97, reg); 1120 if (val != val1) { 1121 *max = 31; 1122 } 1123 /* reset volume to zero */ 1124 snd_ac97_write_cache(ac97, reg, 0x8080); 1125 } 1126 1127 static inline int printable(unsigned int x) 1128 { 1129 x &= 0xff; 1130 if (x < ' ' || x >= 0x71) { 1131 if (x <= 0x89) 1132 return x - 0x71 + 'A'; 1133 return '?'; 1134 } 1135 return x; 1136 } 1137 1138 snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97) 1139 { 1140 snd_kcontrol_new_t template; 1141 memcpy(&template, _template, sizeof(template)); 1142 snd_runtime_check(!template.index, return NULL); 1143 template.index = ac97->num; 1144 return snd_ctl_new1(&template, ac97); 1145 } 1146 1147 /* 1148 * create mute switch(es) for normal stereo controls 1149 */ 1150 static int snd_ac97_cmute_new_stereo(snd_card_t *card, char *name, int reg, int check_stereo, ac97_t *ac97) 1151 { 1152 snd_kcontrol_t *kctl; 1153 int err; 1154 unsigned short val, val1, mute_mask; 1155 1156 if (! snd_ac97_valid_reg(ac97, reg)) 1157 return 0; 1158 1159 mute_mask = 0x8000; 1160 val = snd_ac97_read(ac97, reg); 1161 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1162 /* check whether both mute bits work */ 1163 val1 = val | 0x8080; 1164 snd_ac97_write(ac97, reg, val1); 1165 if (val1 == snd_ac97_read(ac97, reg)) 1166 mute_mask = 0x8080; 1167 } 1168 if (mute_mask == 0x8080) { 1169 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1170 tmp.index = ac97->num; 1171 kctl = snd_ctl_new1(&tmp, ac97); 1172 } else { 1173 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1174 tmp.index = ac97->num; 1175 kctl = snd_ctl_new1(&tmp, ac97); 1176 } 1177 err = snd_ctl_add(card, kctl); 1178 if (err < 0) 1179 return err; 1180 /* mute as default */ 1181 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1182 return 0; 1183 } 1184 1185 /* 1186 * create a volume for normal stereo/mono controls 1187 */ 1188 static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int lo_max, 1189 unsigned int hi_max, ac97_t *ac97) 1190 { 1191 int err; 1192 snd_kcontrol_t *kctl; 1193 1194 if (! snd_ac97_valid_reg(ac97, reg)) 1195 return 0; 1196 if (hi_max) { 1197 /* invert */ 1198 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1199 tmp.index = ac97->num; 1200 kctl = snd_ctl_new1(&tmp, ac97); 1201 } else { 1202 /* invert */ 1203 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1204 tmp.index = ac97->num; 1205 kctl = snd_ctl_new1(&tmp, ac97); 1206 } 1207 err = snd_ctl_add(card, kctl); 1208 if (err < 0) 1209 return err; 1210 snd_ac97_write_cache(ac97, reg, 1211 (snd_ac97_read(ac97, reg) & 0x8080) | 1212 lo_max | (hi_max << 8)); 1213 return 0; 1214 } 1215 1216 /* 1217 * create a mute-switch and a volume for normal stereo/mono controls 1218 */ 1219 static int snd_ac97_cmix_new_stereo(snd_card_t *card, const char *pfx, int reg, int check_stereo, ac97_t *ac97) 1220 { 1221 int err; 1222 char name[44]; 1223 unsigned char lo_max, hi_max; 1224 1225 if (! snd_ac97_valid_reg(ac97, reg)) 1226 return 0; 1227 1228 if (snd_ac97_try_bit(ac97, reg, 15)) { 1229 sprintf(name, "%s Switch", pfx); 1230 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0) 1231 return err; 1232 } 1233 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1234 if (lo_max) { 1235 sprintf(name, "%s Volume", pfx); 1236 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1237 return err; 1238 } 1239 return 0; 1240 } 1241 1242 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97) 1243 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97) 1244 1245 static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97); 1246 1247 static int snd_ac97_mixer_build(ac97_t * ac97) 1248 { 1249 snd_card_t *card = ac97->bus->card; 1250 snd_kcontrol_t *kctl; 1251 int err; 1252 unsigned int idx; 1253 unsigned char max; 1254 1255 /* build master controls */ 1256 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1257 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1258 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1259 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97); 1260 else 1261 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97); 1262 if (err < 0) 1263 return err; 1264 } 1265 1266 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; 1267 1268 /* build center controls */ 1269 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) { 1270 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1271 return err; 1272 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1273 return err; 1274 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1275 kctl->private_value &= ~(0xff << 16); 1276 kctl->private_value |= (int)max << 16; 1277 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1278 } 1279 1280 /* build LFE controls */ 1281 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) { 1282 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1283 return err; 1284 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1285 return err; 1286 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1287 kctl->private_value &= ~(0xff << 16); 1288 kctl->private_value |= (int)max << 16; 1289 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1290 } 1291 1292 /* build surround controls */ 1293 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) { 1294 /* Surround Master (0x38) is with stereo mutes */ 1295 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0) 1296 return err; 1297 } 1298 1299 /* build headphone controls */ 1300 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1301 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0) 1302 return err; 1303 } 1304 1305 /* build master mono controls */ 1306 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1307 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0) 1308 return err; 1309 } 1310 1311 /* build master tone controls */ 1312 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1313 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1314 for (idx = 0; idx < 2; idx++) { 1315 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1316 return err; 1317 if (ac97->id == AC97_ID_YMF753) { 1318 kctl->private_value &= ~(0xff << 16); 1319 kctl->private_value |= 7 << 16; 1320 } 1321 } 1322 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1323 } 1324 } 1325 1326 /* build PC Speaker controls */ 1327 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1328 ((ac97->flags & AC97_HAS_PC_BEEP) || 1329 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1330 for (idx = 0; idx < 2; idx++) 1331 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1332 return err; 1333 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 1334 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); 1335 } 1336 1337 /* build Phone controls */ 1338 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1339 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1340 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0) 1341 return err; 1342 } 1343 } 1344 1345 /* build MIC controls */ 1346 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1347 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1348 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0) 1349 return err; 1350 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1351 return err; 1352 } 1353 } 1354 1355 /* build Line controls */ 1356 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1357 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0) 1358 return err; 1359 } 1360 1361 /* build CD controls */ 1362 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1363 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1364 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0) 1365 return err; 1366 } 1367 } 1368 1369 /* build Video controls */ 1370 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1371 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1372 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0) 1373 return err; 1374 } 1375 } 1376 1377 /* build Aux controls */ 1378 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1379 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0) 1380 return err; 1381 } 1382 1383 /* build PCM controls */ 1384 if (ac97->flags & AC97_AD_MULTI) { 1385 unsigned short init_val; 1386 if (ac97->flags & AC97_STEREO_MUTES) 1387 init_val = 0x9f9f; 1388 else 1389 init_val = 0x9f1f; 1390 for (idx = 0; idx < 2; idx++) 1391 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1392 return err; 1393 ac97->spec.ad18xx.pcmreg[0] = init_val; 1394 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1395 for (idx = 0; idx < 2; idx++) 1396 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1397 return err; 1398 ac97->spec.ad18xx.pcmreg[1] = init_val; 1399 } 1400 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1401 for (idx = 0; idx < 2; idx++) 1402 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1403 return err; 1404 for (idx = 0; idx < 2; idx++) 1405 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1406 return err; 1407 ac97->spec.ad18xx.pcmreg[2] = init_val; 1408 } 1409 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1410 } else { 1411 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1412 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1413 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97); 1414 else 1415 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97); 1416 if (err < 0) 1417 return err; 1418 } 1419 } 1420 1421 /* build Capture controls */ 1422 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1423 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1424 return err; 1425 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1426 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0) 1427 return err; 1428 } 1429 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1430 return err; 1431 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1432 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1433 } 1434 /* build MIC Capture controls */ 1435 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1436 for (idx = 0; idx < 2; idx++) 1437 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1438 return err; 1439 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1440 } 1441 1442 /* build PCM out path & mute control */ 1443 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1444 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1445 return err; 1446 } 1447 1448 /* build Simulated Stereo Enhancement control */ 1449 if (ac97->caps & 0x0008) { 1450 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1451 return err; 1452 } 1453 1454 /* build 3D Stereo Enhancement control */ 1455 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1456 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1457 return err; 1458 } 1459 1460 /* build Loudness control */ 1461 if (ac97->caps & 0x0020) { 1462 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1463 return err; 1464 } 1465 1466 /* build Mono output select control */ 1467 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1468 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1469 return err; 1470 } 1471 1472 /* build Mic select control */ 1473 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1474 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1475 return err; 1476 } 1477 1478 /* build ADC/DAC loopback control */ 1479 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1480 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1481 return err; 1482 } 1483 1484 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1485 1486 /* build 3D controls */ 1487 if (ac97->build_ops->build_3d) { 1488 ac97->build_ops->build_3d(ac97); 1489 } else { 1490 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1491 unsigned short val; 1492 val = 0x0707; 1493 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1494 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1495 val = val == 0x0606; 1496 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1497 return err; 1498 if (val) 1499 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1500 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1501 return err; 1502 if (val) 1503 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1504 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1505 } 1506 } 1507 1508 /* build S/PDIF controls */ 1509 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1510 if (ac97->build_ops->build_spdif) { 1511 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1512 return err; 1513 } else { 1514 for (idx = 0; idx < 5; idx++) 1515 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1516 return err; 1517 if (ac97->build_ops->build_post_spdif) { 1518 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1519 return err; 1520 } 1521 /* set default PCM S/PDIF params */ 1522 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1523 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1524 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1525 } 1526 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1527 } 1528 1529 /* build chip specific controls */ 1530 if (ac97->build_ops->build_specific) 1531 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1532 return err; 1533 1534 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1535 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1536 if (! kctl) 1537 return -ENOMEM; 1538 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1539 set_inv_eapd(ac97, kctl); 1540 if ((err = snd_ctl_add(card, kctl)) < 0) 1541 return err; 1542 } 1543 1544 return 0; 1545 } 1546 1547 static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97) 1548 { 1549 int err, idx; 1550 1551 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG)); 1552 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1553 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1554 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1555 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1556 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1557 1558 /* build modem switches */ 1559 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1560 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1561 return err; 1562 1563 /* build chip specific controls */ 1564 if (ac97->build_ops->build_specific) 1565 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1566 return err; 1567 1568 return 0; 1569 } 1570 1571 static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate) 1572 { 1573 unsigned short val; 1574 unsigned int tmp; 1575 1576 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1577 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1578 if (shadow_reg) 1579 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1580 val = snd_ac97_read(ac97, reg); 1581 return val == (tmp & 0xffff); 1582 } 1583 1584 static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result) 1585 { 1586 unsigned int result = 0; 1587 unsigned short saved; 1588 1589 if (ac97->bus->no_vra) { 1590 *r_result = SNDRV_PCM_RATE_48000; 1591 if ((ac97->flags & AC97_DOUBLE_RATE) && 1592 reg == AC97_PCM_FRONT_DAC_RATE) 1593 *r_result |= SNDRV_PCM_RATE_96000; 1594 return; 1595 } 1596 1597 saved = snd_ac97_read(ac97, reg); 1598 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1599 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1600 AC97_EA_DRA, 0); 1601 /* test a non-standard rate */ 1602 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1603 result |= SNDRV_PCM_RATE_CONTINUOUS; 1604 /* let's try to obtain standard rates */ 1605 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1606 result |= SNDRV_PCM_RATE_8000; 1607 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1608 result |= SNDRV_PCM_RATE_11025; 1609 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1610 result |= SNDRV_PCM_RATE_16000; 1611 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1612 result |= SNDRV_PCM_RATE_22050; 1613 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1614 result |= SNDRV_PCM_RATE_32000; 1615 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1616 result |= SNDRV_PCM_RATE_44100; 1617 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1618 result |= SNDRV_PCM_RATE_48000; 1619 if ((ac97->flags & AC97_DOUBLE_RATE) && 1620 reg == AC97_PCM_FRONT_DAC_RATE) { 1621 /* test standard double rates */ 1622 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1623 AC97_EA_DRA, AC97_EA_DRA); 1624 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1625 result |= SNDRV_PCM_RATE_64000; 1626 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1627 result |= SNDRV_PCM_RATE_88200; 1628 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1629 result |= SNDRV_PCM_RATE_96000; 1630 /* some codecs don't support variable double rates */ 1631 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1632 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1633 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1634 AC97_EA_DRA, 0); 1635 } 1636 /* restore the default value */ 1637 snd_ac97_write_cache(ac97, reg, saved); 1638 if (shadow_reg) 1639 snd_ac97_write_cache(ac97, shadow_reg, saved); 1640 *r_result = result; 1641 } 1642 1643 /* check AC97_SPDIF register to accept which sample rates */ 1644 static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97) 1645 { 1646 unsigned int result = 0; 1647 int i; 1648 static unsigned short ctl_bits[] = { 1649 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1650 }; 1651 static unsigned int rate_bits[] = { 1652 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1653 }; 1654 1655 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1656 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1657 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1658 result |= rate_bits[i]; 1659 } 1660 return result; 1661 } 1662 1663 /* look for the codec id table matching with the given id */ 1664 static const ac97_codec_id_t *look_for_codec_id(const ac97_codec_id_t *table, 1665 unsigned int id) 1666 { 1667 const ac97_codec_id_t *pid; 1668 1669 for (pid = table; pid->id; pid++) 1670 if (pid->id == (id & pid->mask)) 1671 return pid; 1672 return NULL; 1673 } 1674 1675 void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem) 1676 { 1677 const ac97_codec_id_t *pid; 1678 1679 sprintf(name, "0x%x %c%c%c", id, 1680 printable(id >> 24), 1681 printable(id >> 16), 1682 printable(id >> 8)); 1683 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1684 if (! pid) 1685 return; 1686 1687 strcpy(name, pid->name); 1688 if (ac97 && pid->patch) { 1689 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1690 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1691 pid->patch(ac97); 1692 } 1693 1694 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1695 if (pid) { 1696 strcat(name, " "); 1697 strcat(name, pid->name); 1698 if (pid->mask != 0xffffffff) 1699 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1700 if (ac97 && pid->patch) { 1701 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1702 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1703 pid->patch(ac97); 1704 } 1705 } else 1706 sprintf(name + strlen(name), " id %x", id & 0xff); 1707 } 1708 1709 /** 1710 * snd_ac97_get_short_name - retrieve codec name 1711 * @ac97: the codec instance 1712 * 1713 * Returns the short identifying name of the codec. 1714 */ 1715 const char *snd_ac97_get_short_name(ac97_t *ac97) 1716 { 1717 const ac97_codec_id_t *pid; 1718 1719 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1720 if (pid->id == (ac97->id & pid->mask)) 1721 return pid->name; 1722 return "unknown codec"; 1723 } 1724 1725 1726 /* wait for a while until registers are accessible after RESET 1727 * return 0 if ok, negative not ready 1728 */ 1729 static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem) 1730 { 1731 unsigned long end_time; 1732 unsigned short val; 1733 1734 end_time = jiffies + timeout; 1735 do { 1736 1737 /* use preliminary reads to settle the communication */ 1738 snd_ac97_read(ac97, AC97_RESET); 1739 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1740 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1741 /* modem? */ 1742 if (with_modem) { 1743 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1744 if (val != 0xffff && (val & 1) != 0) 1745 return 0; 1746 } 1747 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1748 /* probably only Xbox issue - all registers are read as zero */ 1749 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1750 if (val != 0 && val != 0xffff) 1751 return 0; 1752 } else { 1753 /* because the PCM or MASTER volume registers can be modified, 1754 * the REC_GAIN register is used for tests 1755 */ 1756 /* test if we can write to the record gain volume register */ 1757 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1758 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1759 return 0; 1760 } 1761 set_current_state(TASK_UNINTERRUPTIBLE); 1762 schedule_timeout(1); 1763 } while (time_after_eq(end_time, jiffies)); 1764 return -ENODEV; 1765 } 1766 1767 /** 1768 * snd_ac97_bus - create an AC97 bus component 1769 * @card: the card instance 1770 * @num: the bus number 1771 * @ops: the bus callbacks table 1772 * @private_data: private data pointer for the new instance 1773 * @rbus: the pointer to store the new AC97 bus instance. 1774 * 1775 * Creates an AC97 bus component. An ac97_bus_t instance is newly 1776 * allocated and initialized. 1777 * 1778 * The ops table must include valid callbacks (at least read and 1779 * write). The other callbacks, wait and reset, are not mandatory. 1780 * 1781 * The clock is set to 48000. If another clock is needed, set 1782 * (*rbus)->clock manually. 1783 * 1784 * The AC97 bus instance is registered as a low-level device, so you don't 1785 * have to release it manually. 1786 * 1787 * Returns zero if successful, or a negative error code on failure. 1788 */ 1789 int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops, 1790 void *private_data, ac97_bus_t **rbus) 1791 { 1792 int err; 1793 ac97_bus_t *bus; 1794 static snd_device_ops_t dev_ops = { 1795 .dev_free = snd_ac97_bus_dev_free, 1796 }; 1797 1798 snd_assert(card != NULL, return -EINVAL); 1799 snd_assert(rbus != NULL, return -EINVAL); 1800 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1801 if (bus == NULL) 1802 return -ENOMEM; 1803 bus->card = card; 1804 bus->num = num; 1805 bus->ops = ops; 1806 bus->private_data = private_data; 1807 bus->clock = 48000; 1808 spin_lock_init(&bus->bus_lock); 1809 snd_ac97_bus_proc_init(bus); 1810 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1811 snd_ac97_bus_free(bus); 1812 return err; 1813 } 1814 *rbus = bus; 1815 return 0; 1816 } 1817 1818 /* stop no dev release warning */ 1819 static void ac97_device_release(struct device * dev) 1820 { 1821 } 1822 1823 /* register ac97 codec to bus */ 1824 static int snd_ac97_dev_register(snd_device_t *device) 1825 { 1826 ac97_t *ac97 = device->device_data; 1827 int err; 1828 1829 ac97->dev.bus = &ac97_bus_type; 1830 ac97->dev.parent = ac97->bus->card->dev; 1831 ac97->dev.release = ac97_device_release; 1832 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "card%d-%d", ac97->bus->card->number, ac97->num); 1833 if ((err = device_register(&ac97->dev)) < 0) { 1834 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1835 ac97->dev.bus = NULL; 1836 return err; 1837 } 1838 return 0; 1839 } 1840 1841 /* unregister ac97 codec */ 1842 static int snd_ac97_dev_unregister(snd_device_t *device) 1843 { 1844 ac97_t *ac97 = device->device_data; 1845 if (ac97->dev.bus) 1846 device_unregister(&ac97->dev); 1847 return snd_ac97_free(ac97); 1848 } 1849 1850 /* build_ops to do nothing */ 1851 static struct snd_ac97_build_ops null_build_ops; 1852 1853 /** 1854 * snd_ac97_mixer - create an Codec97 component 1855 * @bus: the AC97 bus which codec is attached to 1856 * @template: the template of ac97, including index, callbacks and 1857 * the private data. 1858 * @rac97: the pointer to store the new ac97 instance. 1859 * 1860 * Creates an Codec97 component. An ac97_t instance is newly 1861 * allocated and initialized from the template. The codec 1862 * is then initialized by the standard procedure. 1863 * 1864 * The template must include the codec number (num) and address (addr), 1865 * and the private data (private_data). 1866 * 1867 * The ac97 instance is registered as a low-level device, so you don't 1868 * have to release it manually. 1869 * 1870 * Returns zero if successful, or a negative error code on failure. 1871 */ 1872 int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97) 1873 { 1874 int err; 1875 ac97_t *ac97; 1876 snd_card_t *card; 1877 char name[64]; 1878 unsigned long end_time; 1879 unsigned int reg; 1880 const ac97_codec_id_t *pid; 1881 static snd_device_ops_t ops = { 1882 .dev_free = snd_ac97_dev_free, 1883 .dev_register = snd_ac97_dev_register, 1884 .dev_unregister = snd_ac97_dev_unregister, 1885 }; 1886 1887 snd_assert(rac97 != NULL, return -EINVAL); 1888 *rac97 = NULL; 1889 snd_assert(bus != NULL && template != NULL, return -EINVAL); 1890 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL); 1891 1892 snd_assert(bus->shared_type <= AC97_SHARED_TYPES, return -EINVAL); 1893 if (bus->shared_type) { 1894 /* already shared? */ 1895 down(&shared_codec_mutex); 1896 ac97 = shared_codec[bus->shared_type-1][template->num]; 1897 if (ac97) { 1898 if ((ac97_is_audio(ac97) && (template->scaps & AC97_SCAP_SKIP_AUDIO)) || 1899 (ac97_is_modem(ac97) && (template->scaps & AC97_SCAP_SKIP_MODEM))) { 1900 up(&shared_codec_mutex); 1901 return -EACCES; /* skip this */ 1902 } 1903 } 1904 up(&shared_codec_mutex); 1905 } 1906 1907 card = bus->card; 1908 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 1909 if (ac97 == NULL) 1910 return -ENOMEM; 1911 ac97->private_data = template->private_data; 1912 ac97->private_free = template->private_free; 1913 ac97->bus = bus; 1914 ac97->pci = template->pci; 1915 ac97->num = template->num; 1916 ac97->addr = template->addr; 1917 ac97->scaps = template->scaps; 1918 ac97->limited_regs = template->limited_regs; 1919 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed)); 1920 bus->codec[ac97->num] = ac97; 1921 init_MUTEX(&ac97->reg_mutex); 1922 init_MUTEX(&ac97->page_mutex); 1923 1924 if (ac97->pci) { 1925 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 1926 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 1927 } 1928 if (bus->ops->reset) { 1929 bus->ops->reset(ac97); 1930 goto __access_ok; 1931 } 1932 1933 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 1934 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 1935 if (ac97->id && ac97->id != (unsigned int)-1) { 1936 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 1937 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 1938 goto __access_ok; 1939 } 1940 1941 /* reset to defaults */ 1942 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 1943 snd_ac97_write(ac97, AC97_RESET, 0); 1944 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 1945 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 1946 if (bus->ops->wait) 1947 bus->ops->wait(ac97); 1948 else { 1949 udelay(50); 1950 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 1951 err = ac97_reset_wait(ac97, HZ/2, 1); 1952 else { 1953 err = ac97_reset_wait(ac97, HZ/2, 0); 1954 if (err < 0) 1955 err = ac97_reset_wait(ac97, HZ/2, 1); 1956 } 1957 if (err < 0) { 1958 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 1959 /* proceed anyway - it's often non-critical */ 1960 } 1961 } 1962 __access_ok: 1963 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 1964 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 1965 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 1966 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 1967 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 1968 snd_ac97_free(ac97); 1969 return -EIO; 1970 } 1971 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 1972 if (pid) 1973 ac97->flags |= pid->flags; 1974 1975 /* test for AC'97 */ 1976 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 1977 /* test if we can write to the record gain volume register */ 1978 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 1979 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 1980 ac97->scaps |= AC97_SCAP_AUDIO; 1981 } 1982 if (ac97->scaps & AC97_SCAP_AUDIO) { 1983 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 1984 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 1985 if (ac97->ext_id == 0xffff) /* invalid combination */ 1986 ac97->ext_id = 0; 1987 } 1988 1989 /* test for MC'97 */ 1990 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 1991 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1992 if (ac97->ext_mid == 0xffff) /* invalid combination */ 1993 ac97->ext_mid = 0; 1994 if (ac97->ext_mid & 1) 1995 ac97->scaps |= AC97_SCAP_MODEM; 1996 } 1997 1998 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 1999 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2000 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 2001 snd_ac97_free(ac97); 2002 return -EACCES; 2003 } 2004 2005 if (bus->ops->reset) // FIXME: always skipping? 2006 goto __ready_ok; 2007 2008 /* FIXME: add powerdown control */ 2009 if (ac97_is_audio(ac97)) { 2010 /* nothing should be in powerdown mode */ 2011 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2012 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2013 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2014 udelay(100); 2015 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2016 } 2017 /* nothing should be in powerdown mode */ 2018 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2019 end_time = jiffies + (HZ / 10); 2020 do { 2021 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2022 goto __ready_ok; 2023 set_current_state(TASK_UNINTERRUPTIBLE); 2024 schedule_timeout(1); 2025 } while (time_after_eq(end_time, jiffies)); 2026 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 2027 } 2028 2029 /* FIXME: add powerdown control */ 2030 if (ac97_is_modem(ac97)) { 2031 unsigned char tmp; 2032 2033 /* nothing should be in powerdown mode */ 2034 /* note: it's important to set the rate at first */ 2035 tmp = AC97_MEA_GPIO; 2036 if (ac97->ext_mid & AC97_MEI_LINE1) { 2037 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2038 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2039 } 2040 if (ac97->ext_mid & AC97_MEI_LINE2) { 2041 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2042 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2043 } 2044 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2045 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2046 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2047 } 2048 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2049 udelay(100); 2050 /* nothing should be in powerdown mode */ 2051 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2052 end_time = jiffies + (HZ / 10); 2053 do { 2054 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2055 goto __ready_ok; 2056 set_current_state(TASK_UNINTERRUPTIBLE); 2057 schedule_timeout(1); 2058 } while (time_after_eq(end_time, jiffies)); 2059 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2060 } 2061 2062 __ready_ok: 2063 if (ac97_is_audio(ac97)) 2064 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2065 else 2066 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2067 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2068 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2069 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2070 if (! bus->no_vra) 2071 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2072 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2073 } 2074 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2075 /* Intel controllers require double rate data to be put in 2076 * slots 7+8, so let's hope the codec supports it. */ 2077 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2078 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2079 ac97->flags |= AC97_DOUBLE_RATE; 2080 } 2081 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2082 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2083 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2084 } else { 2085 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2086 if (ac97->flags & AC97_DOUBLE_RATE) 2087 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2088 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2089 } 2090 if (ac97->ext_id & AC97_EI_SPDIF) { 2091 /* codec specific code (patch) should override these values */ 2092 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2093 } 2094 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2095 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2096 } else { 2097 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2098 } 2099 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2100 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2101 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2102 } 2103 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2104 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2105 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2106 } 2107 /* additional initializations */ 2108 if (bus->ops->init) 2109 bus->ops->init(ac97); 2110 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2111 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2112 if (! ac97->build_ops) 2113 ac97->build_ops = &null_build_ops; 2114 2115 if (ac97_is_audio(ac97)) { 2116 char comp[16]; 2117 if (card->mixername[0] == '\0') { 2118 strcpy(card->mixername, name); 2119 } else { 2120 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2121 strcat(card->mixername, ","); 2122 strcat(card->mixername, name); 2123 } 2124 } 2125 sprintf(comp, "AC97a:%08x", ac97->id); 2126 if ((err = snd_component_add(card, comp)) < 0) { 2127 snd_ac97_free(ac97); 2128 return err; 2129 } 2130 if (snd_ac97_mixer_build(ac97) < 0) { 2131 snd_ac97_free(ac97); 2132 return -ENOMEM; 2133 } 2134 } 2135 if (ac97_is_modem(ac97)) { 2136 char comp[16]; 2137 if (card->mixername[0] == '\0') { 2138 strcpy(card->mixername, name); 2139 } else { 2140 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2141 strcat(card->mixername, ","); 2142 strcat(card->mixername, name); 2143 } 2144 } 2145 sprintf(comp, "AC97m:%08x", ac97->id); 2146 if ((err = snd_component_add(card, comp)) < 0) { 2147 snd_ac97_free(ac97); 2148 return err; 2149 } 2150 if (snd_ac97_modem_build(card, ac97) < 0) { 2151 snd_ac97_free(ac97); 2152 return -ENOMEM; 2153 } 2154 } 2155 /* make sure the proper powerdown bits are cleared */ 2156 if (ac97->scaps) { 2157 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2158 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2159 reg &= ~AC97_EA_PRJ; 2160 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2161 reg &= ~(AC97_EA_PRI | AC97_EA_PRK); 2162 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2163 } 2164 snd_ac97_proc_init(ac97); 2165 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2166 snd_ac97_free(ac97); 2167 return err; 2168 } 2169 *rac97 = ac97; 2170 2171 if (bus->shared_type) { 2172 down(&shared_codec_mutex); 2173 shared_codec[bus->shared_type-1][ac97->num] = ac97; 2174 up(&shared_codec_mutex); 2175 } 2176 2177 return 0; 2178 } 2179 2180 2181 /* 2182 * Power down the chip. 2183 * 2184 * MASTER and HEADPHONE registers are muted but the register cache values 2185 * are not changed, so that the values can be restored in snd_ac97_resume(). 2186 */ 2187 static void snd_ac97_powerdown(ac97_t *ac97) 2188 { 2189 unsigned short power; 2190 2191 if (ac97_is_audio(ac97)) { 2192 /* some codecs have stereo mute bits */ 2193 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2194 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2195 } 2196 2197 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */ 2198 power |= 0x4000; /* Headphone amplifier powerdown */ 2199 power |= 0x0300; /* ADC & DAC powerdown */ 2200 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2201 udelay(100); 2202 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */ 2203 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2204 udelay(100); 2205 #if 0 2206 /* FIXME: this causes click noises on some boards at resume */ 2207 power |= 0x3800; /* AC-link powerdown, internal Clk disable */ 2208 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2209 #endif 2210 } 2211 2212 2213 #ifdef CONFIG_PM 2214 /** 2215 * snd_ac97_suspend - General suspend function for AC97 codec 2216 * @ac97: the ac97 instance 2217 * 2218 * Suspends the codec, power down the chip. 2219 */ 2220 void snd_ac97_suspend(ac97_t *ac97) 2221 { 2222 if (ac97->build_ops->suspend) 2223 ac97->build_ops->suspend(ac97); 2224 snd_ac97_powerdown(ac97); 2225 } 2226 2227 /* 2228 * restore ac97 status 2229 */ 2230 void snd_ac97_restore_status(ac97_t *ac97) 2231 { 2232 int i; 2233 2234 for (i = 2; i < 0x7c ; i += 2) { 2235 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2236 continue; 2237 /* restore only accessible registers 2238 * some chip (e.g. nm256) may hang up when unsupported registers 2239 * are accessed..! 2240 */ 2241 if (test_bit(i, ac97->reg_accessed)) { 2242 snd_ac97_write(ac97, i, ac97->regs[i]); 2243 snd_ac97_read(ac97, i); 2244 } 2245 } 2246 } 2247 2248 /* 2249 * restore IEC958 status 2250 */ 2251 void snd_ac97_restore_iec958(ac97_t *ac97) 2252 { 2253 if (ac97->ext_id & AC97_EI_SPDIF) { 2254 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2255 /* reset spdif status */ 2256 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2257 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2258 if (ac97->flags & AC97_CS_SPDIF) 2259 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2260 else 2261 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2262 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2263 } 2264 } 2265 } 2266 2267 /** 2268 * snd_ac97_resume - General resume function for AC97 codec 2269 * @ac97: the ac97 instance 2270 * 2271 * Do the standard resume procedure, power up and restoring the 2272 * old register values. 2273 */ 2274 void snd_ac97_resume(ac97_t *ac97) 2275 { 2276 unsigned long end_time; 2277 2278 if (ac97->bus->ops->reset) { 2279 ac97->bus->ops->reset(ac97); 2280 goto __reset_ready; 2281 } 2282 2283 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2284 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2285 snd_ac97_write(ac97, AC97_RESET, 0); 2286 udelay(100); 2287 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2288 } 2289 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2290 2291 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2292 if (ac97_is_audio(ac97)) { 2293 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2294 end_time = jiffies + msecs_to_jiffies(100); 2295 do { 2296 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2297 break; 2298 set_current_state(TASK_UNINTERRUPTIBLE); 2299 schedule_timeout(1); 2300 } while (time_after_eq(end_time, jiffies)); 2301 /* FIXME: extra delay */ 2302 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); 2303 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) 2304 msleep(250); 2305 } else { 2306 end_time = jiffies + msecs_to_jiffies(100); 2307 do { 2308 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2309 if (val != 0xffff && (val & 1) != 0) 2310 break; 2311 set_current_state(TASK_UNINTERRUPTIBLE); 2312 schedule_timeout(1); 2313 } while (time_after_eq(end_time, jiffies)); 2314 } 2315 __reset_ready: 2316 2317 if (ac97->bus->ops->init) 2318 ac97->bus->ops->init(ac97); 2319 2320 if (ac97->build_ops->resume) 2321 ac97->build_ops->resume(ac97); 2322 else { 2323 snd_ac97_restore_status(ac97); 2324 snd_ac97_restore_iec958(ac97); 2325 } 2326 } 2327 #endif 2328 2329 2330 /* 2331 * Hardware tuning 2332 */ 2333 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2334 { 2335 if (suffix) 2336 sprintf(dst, "%s %s", src, suffix); 2337 else 2338 strcpy(dst, src); 2339 } 2340 2341 /* remove the control with the given name and optional suffix */ 2342 int snd_ac97_remove_ctl(ac97_t *ac97, const char *name, const char *suffix) 2343 { 2344 snd_ctl_elem_id_t id; 2345 memset(&id, 0, sizeof(id)); 2346 set_ctl_name(id.name, name, suffix); 2347 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2348 return snd_ctl_remove_id(ac97->bus->card, &id); 2349 } 2350 2351 static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name, const char *suffix) 2352 { 2353 snd_ctl_elem_id_t sid; 2354 memset(&sid, 0, sizeof(sid)); 2355 set_ctl_name(sid.name, name, suffix); 2356 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2357 return snd_ctl_find_id(ac97->bus->card, &sid); 2358 } 2359 2360 /* rename the control with the given name and optional suffix */ 2361 int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const char *suffix) 2362 { 2363 snd_kcontrol_t *kctl = ctl_find(ac97, src, suffix); 2364 if (kctl) { 2365 set_ctl_name(kctl->id.name, dst, suffix); 2366 return 0; 2367 } 2368 return -ENOENT; 2369 } 2370 2371 /* rename both Volume and Switch controls - don't check the return value */ 2372 void snd_ac97_rename_vol_ctl(ac97_t *ac97, const char *src, const char *dst) 2373 { 2374 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2375 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2376 } 2377 2378 /* swap controls */ 2379 int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *suffix) 2380 { 2381 snd_kcontrol_t *kctl1, *kctl2; 2382 kctl1 = ctl_find(ac97, s1, suffix); 2383 kctl2 = ctl_find(ac97, s2, suffix); 2384 if (kctl1 && kctl2) { 2385 set_ctl_name(kctl1->id.name, s2, suffix); 2386 set_ctl_name(kctl2->id.name, s1, suffix); 2387 return 0; 2388 } 2389 return -ENOENT; 2390 } 2391 2392 #if 1 2393 /* bind hp and master controls instead of using only hp control */ 2394 static int bind_hp_volsw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 2395 { 2396 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2397 if (err > 0) { 2398 unsigned long priv_saved = kcontrol->private_value; 2399 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2400 snd_ac97_put_volsw(kcontrol, ucontrol); 2401 kcontrol->private_value = priv_saved; 2402 } 2403 return err; 2404 } 2405 2406 /* ac97 tune: bind Master and Headphone controls */ 2407 static int tune_hp_only(ac97_t *ac97) 2408 { 2409 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2410 snd_kcontrol_t *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2411 if (! msw || ! mvol) 2412 return -ENOENT; 2413 msw->put = bind_hp_volsw_put; 2414 mvol->put = bind_hp_volsw_put; 2415 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2416 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2417 return 0; 2418 } 2419 2420 #else 2421 /* ac97 tune: use Headphone control as master */ 2422 static int tune_hp_only(ac97_t *ac97) 2423 { 2424 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2425 return -ENOENT; 2426 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2427 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2428 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2429 return 0; 2430 } 2431 #endif 2432 2433 /* ac97 tune: swap Headphone and Master controls */ 2434 static int tune_swap_hp(ac97_t *ac97) 2435 { 2436 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2437 return -ENOENT; 2438 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2439 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2440 return 0; 2441 } 2442 2443 /* ac97 tune: swap Surround and Master controls */ 2444 static int tune_swap_surround(ac97_t *ac97) 2445 { 2446 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2447 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2448 return -ENOENT; 2449 return 0; 2450 } 2451 2452 /* ac97 tune: set up mic sharing for AD codecs */ 2453 static int tune_ad_sharing(ac97_t *ac97) 2454 { 2455 unsigned short scfg; 2456 if ((ac97->id & 0xffffff00) != 0x41445300) { 2457 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2458 return -EINVAL; 2459 } 2460 /* Turn on OMS bit to route microphone to back panel */ 2461 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2462 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2463 return 0; 2464 } 2465 2466 static const snd_kcontrol_new_t snd_ac97_alc_jack_detect = 2467 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2468 2469 /* ac97 tune: set up ALC jack-select */ 2470 static int tune_alc_jack(ac97_t *ac97) 2471 { 2472 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2473 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2474 return -EINVAL; 2475 } 2476 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2477 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2478 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2479 } 2480 2481 /* ac97 tune: inversed EAPD bit */ 2482 static int tune_inv_eapd(ac97_t *ac97) 2483 { 2484 snd_kcontrol_t *kctl = ctl_find(ac97, "External Amplifier", NULL); 2485 if (! kctl) 2486 return -ENOENT; 2487 set_inv_eapd(ac97, kctl); 2488 return 0; 2489 } 2490 2491 static int master_mute_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 2492 { 2493 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2494 if (err > 0) { 2495 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 2496 int shift = (kcontrol->private_value >> 8) & 0x0f; 2497 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2498 unsigned short mask; 2499 if (shift != rshift) 2500 mask = 0x8080; 2501 else 2502 mask = 0x8000; 2503 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2504 (ac97->regs[AC97_MASTER] & mask) == mask ? 2505 0x8000 : 0); 2506 } 2507 return err; 2508 } 2509 2510 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2511 static int tune_mute_led(ac97_t *ac97) 2512 { 2513 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2514 if (! msw) 2515 return -ENOENT; 2516 msw->put = master_mute_sw_put; 2517 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2518 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2519 return 0; 2520 } 2521 2522 struct quirk_table { 2523 const char *name; 2524 int (*func)(ac97_t *); 2525 }; 2526 2527 static struct quirk_table applicable_quirks[] = { 2528 { "none", NULL }, 2529 { "hp_only", tune_hp_only }, 2530 { "swap_hp", tune_swap_hp }, 2531 { "swap_surround", tune_swap_surround }, 2532 { "ad_sharing", tune_ad_sharing }, 2533 { "alc_jack", tune_alc_jack }, 2534 { "inv_eapd", tune_inv_eapd }, 2535 { "mute_led", tune_mute_led }, 2536 }; 2537 2538 /* apply the quirk with the given type */ 2539 static int apply_quirk(ac97_t *ac97, int type) 2540 { 2541 if (type <= 0) 2542 return 0; 2543 else if (type >= ARRAY_SIZE(applicable_quirks)) 2544 return -EINVAL; 2545 if (applicable_quirks[type].func) 2546 return applicable_quirks[type].func(ac97); 2547 return 0; 2548 } 2549 2550 /* apply the quirk with the given name */ 2551 static int apply_quirk_str(ac97_t *ac97, const char *typestr) 2552 { 2553 int i; 2554 struct quirk_table *q; 2555 2556 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2557 q = &applicable_quirks[i]; 2558 if (q->name && ! strcmp(typestr, q->name)) 2559 return apply_quirk(ac97, i); 2560 } 2561 /* for compatibility, accept the numbers, too */ 2562 if (*typestr >= '0' && *typestr <= '9') 2563 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2564 return -EINVAL; 2565 } 2566 2567 /** 2568 * snd_ac97_tune_hardware - tune up the hardware 2569 * @ac97: the ac97 instance 2570 * @quirk: quirk list 2571 * @override: explicit quirk value (overrides the list if non-NULL) 2572 * 2573 * Do some workaround for each pci device, such as renaming of the 2574 * headphone (true line-out) control as "Master". 2575 * The quirk-list must be terminated with a zero-filled entry. 2576 * 2577 * Returns zero if successful, or a negative error code on failure. 2578 */ 2579 2580 int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override) 2581 { 2582 int result; 2583 2584 /* quirk overriden? */ 2585 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2586 result = apply_quirk_str(ac97, override); 2587 if (result < 0) 2588 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2589 return result; 2590 } 2591 2592 if (! quirk) 2593 return -EINVAL; 2594 2595 for (; quirk->subvendor; quirk++) { 2596 if (quirk->subvendor != ac97->subsystem_vendor) 2597 continue; 2598 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2599 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2600 if (quirk->codec_id && quirk->codec_id != ac97->id) 2601 continue; 2602 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2603 result = apply_quirk(ac97, quirk->type); 2604 if (result < 0) 2605 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2606 return result; 2607 } 2608 } 2609 return 0; 2610 } 2611 2612 2613 /* 2614 * Exported symbols 2615 */ 2616 2617 EXPORT_SYMBOL(snd_ac97_write); 2618 EXPORT_SYMBOL(snd_ac97_read); 2619 EXPORT_SYMBOL(snd_ac97_write_cache); 2620 EXPORT_SYMBOL(snd_ac97_update); 2621 EXPORT_SYMBOL(snd_ac97_update_bits); 2622 EXPORT_SYMBOL(snd_ac97_get_short_name); 2623 EXPORT_SYMBOL(snd_ac97_bus); 2624 EXPORT_SYMBOL(snd_ac97_mixer); 2625 EXPORT_SYMBOL(snd_ac97_pcm_assign); 2626 EXPORT_SYMBOL(snd_ac97_pcm_open); 2627 EXPORT_SYMBOL(snd_ac97_pcm_close); 2628 EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules); 2629 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2630 EXPORT_SYMBOL(snd_ac97_set_rate); 2631 #ifdef CONFIG_PM 2632 EXPORT_SYMBOL(snd_ac97_resume); 2633 EXPORT_SYMBOL(snd_ac97_suspend); 2634 #endif 2635 2636 /* 2637 * INIT part 2638 */ 2639 2640 static int __init alsa_ac97_init(void) 2641 { 2642 return 0; 2643 } 2644 2645 static void __exit alsa_ac97_exit(void) 2646 { 2647 } 2648 2649 module_init(alsa_ac97_init) 2650 module_exit(alsa_ac97_exit) 2651