1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz> 3 * Universal interface for Audio Codec '97 4 * 5 * For more details look to AC '97 component specification revision 2.2 6 * by Intel Corporation (http://developer.intel.com). 7 * 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 */ 24 25 #include <sound/driver.h> 26 #include <linux/delay.h> 27 #include <linux/init.h> 28 #include <linux/slab.h> 29 #include <linux/pci.h> 30 #include <linux/moduleparam.h> 31 #include <sound/core.h> 32 #include <sound/pcm.h> 33 #include <sound/ac97_codec.h> 34 #include <sound/asoundef.h> 35 #include <sound/initval.h> 36 #include "ac97_local.h" 37 #include "ac97_id.h" 38 #include "ac97_patch.h" 39 40 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 41 MODULE_DESCRIPTION("Universal interface for Audio Codec '97"); 42 MODULE_LICENSE("GPL"); 43 44 static int enable_loopback; 45 46 module_param(enable_loopback, bool, 0444); 47 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control"); 48 49 /* 50 51 */ 52 53 typedef struct { 54 unsigned int id; 55 unsigned int mask; 56 const char *name; 57 int (*patch)(ac97_t *ac97); 58 int (*mpatch)(ac97_t *ac97); 59 unsigned int flags; 60 } ac97_codec_id_t; 61 62 static const ac97_codec_id_t snd_ac97_codec_id_vendors[] = { 63 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, 64 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, 65 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, 66 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL }, 67 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, 68 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, 69 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, 70 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, 71 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, 72 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, 73 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, 74 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, 75 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, 76 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, 77 { 0x50534300, 0xffffff00, "Philips", NULL, NULL }, 78 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, 79 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, 80 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, 81 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, 82 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, 83 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, 84 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, 85 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, 86 { 0, 0, NULL, NULL, NULL } 87 }; 88 89 static const ac97_codec_id_t snd_ac97_codec_ids[] = { 90 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, 91 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, 92 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, 93 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, 94 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, 95 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, 96 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, 97 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, 98 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, 99 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, 100 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, 101 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, 102 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, 103 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, 104 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, 105 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, 106 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, 107 { 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL }, 108 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, 109 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, 110 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ 111 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ 112 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ 113 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, 114 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, 115 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 116 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 117 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 118 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 119 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 120 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL }, 121 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, 122 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, 123 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, 124 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 125 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 126 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 127 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, 128 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, 129 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, 130 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, 131 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, 132 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, 133 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, 134 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, 135 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, 136 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II 137 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different 138 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 139 { 0x454d4328, 0xffffffff, "28028", NULL, NULL }, // same as TR28028? 140 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 141 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 142 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 143 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 144 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 145 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 146 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 147 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 148 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 149 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 150 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 151 { 0x4e534350, 0xffffffff, "LM4550", NULL, NULL }, 152 { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL }, 153 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 154 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 155 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 156 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 157 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 158 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 159 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 160 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 161 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 162 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL }, 163 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 164 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 165 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 166 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 167 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL}, 168 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 169 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL }, 170 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 171 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 172 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 173 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 174 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 175 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 176 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 177 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 178 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 179 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 180 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 181 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 182 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 183 { 0, 0, NULL, NULL, NULL } 184 }; 185 186 const char *snd_ac97_stereo_enhancements[] = 187 { 188 /* 0 */ "No 3D Stereo Enhancement", 189 /* 1 */ "Analog Devices Phat Stereo", 190 /* 2 */ "Creative Stereo Enhancement", 191 /* 3 */ "National Semi 3D Stereo Enhancement", 192 /* 4 */ "YAMAHA Ymersion", 193 /* 5 */ "BBE 3D Stereo Enhancement", 194 /* 6 */ "Crystal Semi 3D Stereo Enhancement", 195 /* 7 */ "Qsound QXpander", 196 /* 8 */ "Spatializer 3D Stereo Enhancement", 197 /* 9 */ "SRS 3D Stereo Enhancement", 198 /* 10 */ "Platform Tech 3D Stereo Enhancement", 199 /* 11 */ "AKM 3D Audio", 200 /* 12 */ "Aureal Stereo Enhancement", 201 /* 13 */ "Aztech 3D Enhancement", 202 /* 14 */ "Binaura 3D Audio Enhancement", 203 /* 15 */ "ESS Technology Stereo Enhancement", 204 /* 16 */ "Harman International VMAx", 205 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement", 206 /* 18 */ "Philips Incredible Sound", 207 /* 19 */ "Texas Instruments 3D Stereo Enhancement", 208 /* 20 */ "VLSI Technology 3D Stereo Enhancement", 209 /* 21 */ "TriTech 3D Stereo Enhancement", 210 /* 22 */ "Realtek 3D Stereo Enhancement", 211 /* 23 */ "Samsung 3D Stereo Enhancement", 212 /* 24 */ "Wolfson Microelectronics 3D Enhancement", 213 /* 25 */ "Delta Integration 3D Enhancement", 214 /* 26 */ "SigmaTel 3D Enhancement", 215 /* 27 */ "IC Ensemble/KS Waves", 216 /* 28 */ "Rockwell 3D Stereo Enhancement", 217 /* 29 */ "Reserved 29", 218 /* 30 */ "Reserved 30", 219 /* 31 */ "Reserved 31" 220 }; 221 222 /* 223 * Shared AC97 controllers (ICH, ATIIXP...) 224 */ 225 static DECLARE_MUTEX(shared_codec_mutex); 226 static ac97_t *shared_codec[AC97_SHARED_TYPES][4]; 227 228 229 /* 230 * I/O routines 231 */ 232 233 static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg) 234 { 235 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed)) 236 return 0; 237 238 /* filter some registers for buggy codecs */ 239 switch (ac97->id) { 240 case AC97_ID_AK4540: 241 case AC97_ID_AK4542: 242 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 243 return 1; 244 return 0; 245 case AC97_ID_AD1819: /* AD1819 */ 246 case AC97_ID_AD1881: /* AD1881 */ 247 case AC97_ID_AD1881A: /* AD1881A */ 248 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 249 return 0; 250 return 1; 251 case AC97_ID_AD1885: /* AD1885 */ 252 case AC97_ID_AD1886: /* AD1886 */ 253 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 254 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 255 if (reg == 0x5a) 256 return 1; 257 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 258 return 0; 259 return 1; 260 case AC97_ID_STAC9700: 261 case AC97_ID_STAC9704: 262 case AC97_ID_STAC9705: 263 case AC97_ID_STAC9708: 264 case AC97_ID_STAC9721: 265 case AC97_ID_STAC9744: 266 case AC97_ID_STAC9756: 267 if (reg <= 0x3a || reg >= 0x5a) 268 return 1; 269 return 0; 270 } 271 return 1; 272 } 273 274 /** 275 * snd_ac97_write - write a value on the given register 276 * @ac97: the ac97 instance 277 * @reg: the register to change 278 * @value: the value to set 279 * 280 * Writes a value on the given register. This will invoke the write 281 * callback directly after the register check. 282 * This function doesn't change the register cache unlike 283 * #snd_ca97_write_cache(), so use this only when you don't want to 284 * reflect the change to the suspend/resume state. 285 */ 286 void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value) 287 { 288 if (!snd_ac97_valid_reg(ac97, reg)) 289 return; 290 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 291 /* Fix H/W bug of ALC100/100P */ 292 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 293 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 294 } 295 ac97->bus->ops->write(ac97, reg, value); 296 } 297 298 /** 299 * snd_ac97_read - read a value from the given register 300 * 301 * @ac97: the ac97 instance 302 * @reg: the register to read 303 * 304 * Reads a value from the given register. This will invoke the read 305 * callback directly after the register check. 306 * 307 * Returns the read value. 308 */ 309 unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg) 310 { 311 if (!snd_ac97_valid_reg(ac97, reg)) 312 return 0; 313 return ac97->bus->ops->read(ac97, reg); 314 } 315 316 /* read a register - return the cached value if already read */ 317 static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short reg) 318 { 319 if (! test_bit(reg, ac97->reg_accessed)) { 320 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 321 // set_bit(reg, ac97->reg_accessed); 322 } 323 return ac97->regs[reg]; 324 } 325 326 /** 327 * snd_ac97_write_cache - write a value on the given register and update the cache 328 * @ac97: the ac97 instance 329 * @reg: the register to change 330 * @value: the value to set 331 * 332 * Writes a value on the given register and updates the register 333 * cache. The cached values are used for the cached-read and the 334 * suspend/resume. 335 */ 336 void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value) 337 { 338 if (!snd_ac97_valid_reg(ac97, reg)) 339 return; 340 down(&ac97->reg_mutex); 341 ac97->regs[reg] = value; 342 ac97->bus->ops->write(ac97, reg, value); 343 set_bit(reg, ac97->reg_accessed); 344 up(&ac97->reg_mutex); 345 } 346 347 /** 348 * snd_ac97_update - update the value on the given register 349 * @ac97: the ac97 instance 350 * @reg: the register to change 351 * @value: the value to set 352 * 353 * Compares the value with the register cache and updates the value 354 * only when the value is changed. 355 * 356 * Returns 1 if the value is changed, 0 if no change, or a negative 357 * code on failure. 358 */ 359 int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value) 360 { 361 int change; 362 363 if (!snd_ac97_valid_reg(ac97, reg)) 364 return -EINVAL; 365 down(&ac97->reg_mutex); 366 change = ac97->regs[reg] != value; 367 if (change) { 368 ac97->regs[reg] = value; 369 ac97->bus->ops->write(ac97, reg, value); 370 } 371 set_bit(reg, ac97->reg_accessed); 372 up(&ac97->reg_mutex); 373 return change; 374 } 375 376 /** 377 * snd_ac97_update_bits - update the bits on the given register 378 * @ac97: the ac97 instance 379 * @reg: the register to change 380 * @mask: the bit-mask to change 381 * @value: the value to set 382 * 383 * Updates the masked-bits on the given register only when the value 384 * is changed. 385 * 386 * Returns 1 if the bits are changed, 0 if no change, or a negative 387 * code on failure. 388 */ 389 int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value) 390 { 391 int change; 392 393 if (!snd_ac97_valid_reg(ac97, reg)) 394 return -EINVAL; 395 down(&ac97->reg_mutex); 396 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 397 up(&ac97->reg_mutex); 398 return change; 399 } 400 401 /* no lock version - see snd_ac97_updat_bits() */ 402 int snd_ac97_update_bits_nolock(ac97_t *ac97, unsigned short reg, 403 unsigned short mask, unsigned short value) 404 { 405 int change; 406 unsigned short old, new; 407 408 old = snd_ac97_read_cache(ac97, reg); 409 new = (old & ~mask) | value; 410 change = old != new; 411 if (change) { 412 ac97->regs[reg] = new; 413 ac97->bus->ops->write(ac97, reg, new); 414 } 415 set_bit(reg, ac97->reg_accessed); 416 return change; 417 } 418 419 static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value) 420 { 421 int change; 422 unsigned short old, new, cfg; 423 424 down(&ac97->page_mutex); 425 old = ac97->spec.ad18xx.pcmreg[codec]; 426 new = (old & ~mask) | value; 427 change = old != new; 428 if (change) { 429 down(&ac97->reg_mutex); 430 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 431 ac97->spec.ad18xx.pcmreg[codec] = new; 432 /* select single codec */ 433 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 434 (cfg & ~0x7000) | 435 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 436 /* update PCM bits */ 437 ac97->bus->ops->write(ac97, AC97_PCM, new); 438 /* select all codecs */ 439 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 440 cfg | 0x7000); 441 up(&ac97->reg_mutex); 442 } 443 up(&ac97->page_mutex); 444 return change; 445 } 446 447 /* 448 * Controls 449 */ 450 451 int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 452 { 453 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 454 455 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 456 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 457 uinfo->value.enumerated.items = e->mask; 458 459 if (uinfo->value.enumerated.item > e->mask - 1) 460 uinfo->value.enumerated.item = e->mask - 1; 461 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 462 return 0; 463 } 464 465 int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 466 { 467 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 468 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 469 unsigned short val, bitmask; 470 471 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 472 ; 473 val = snd_ac97_read_cache(ac97, e->reg); 474 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 475 if (e->shift_l != e->shift_r) 476 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 477 478 return 0; 479 } 480 481 int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 482 { 483 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 484 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 485 unsigned short val; 486 unsigned short mask, bitmask; 487 488 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 489 ; 490 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 491 return -EINVAL; 492 val = ucontrol->value.enumerated.item[0] << e->shift_l; 493 mask = (bitmask - 1) << e->shift_l; 494 if (e->shift_l != e->shift_r) { 495 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 496 return -EINVAL; 497 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 498 mask |= (bitmask - 1) << e->shift_r; 499 } 500 return snd_ac97_update_bits(ac97, e->reg, mask, val); 501 } 502 503 /* save/restore ac97 v2.3 paging */ 504 static int snd_ac97_page_save(ac97_t *ac97, int reg, snd_kcontrol_t *kcontrol) 505 { 506 int page_save = -1; 507 if ((kcontrol->private_value & (1<<25)) && 508 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 509 (reg >= 0x60 && reg < 0x70)) { 510 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 511 down(&ac97->page_mutex); /* lock paging */ 512 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 513 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 514 } 515 return page_save; 516 } 517 518 static void snd_ac97_page_restore(ac97_t *ac97, int page_save) 519 { 520 if (page_save >= 0) { 521 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 522 up(&ac97->page_mutex); /* unlock paging */ 523 } 524 } 525 526 /* volume and switch controls */ 527 int snd_ac97_info_volsw(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 528 { 529 int mask = (kcontrol->private_value >> 16) & 0xff; 530 int shift = (kcontrol->private_value >> 8) & 0x0f; 531 int rshift = (kcontrol->private_value >> 12) & 0x0f; 532 533 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 534 uinfo->count = shift == rshift ? 1 : 2; 535 uinfo->value.integer.min = 0; 536 uinfo->value.integer.max = mask; 537 return 0; 538 } 539 540 int snd_ac97_get_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 541 { 542 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 543 int reg = kcontrol->private_value & 0xff; 544 int shift = (kcontrol->private_value >> 8) & 0x0f; 545 int rshift = (kcontrol->private_value >> 12) & 0x0f; 546 int mask = (kcontrol->private_value >> 16) & 0xff; 547 int invert = (kcontrol->private_value >> 24) & 0x01; 548 int page_save; 549 550 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 551 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 552 if (shift != rshift) 553 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 554 if (invert) { 555 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 556 if (shift != rshift) 557 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 558 } 559 snd_ac97_page_restore(ac97, page_save); 560 return 0; 561 } 562 563 int snd_ac97_put_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 564 { 565 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 566 int reg = kcontrol->private_value & 0xff; 567 int shift = (kcontrol->private_value >> 8) & 0x0f; 568 int rshift = (kcontrol->private_value >> 12) & 0x0f; 569 int mask = (kcontrol->private_value >> 16) & 0xff; 570 int invert = (kcontrol->private_value >> 24) & 0x01; 571 int err, page_save; 572 unsigned short val, val2, val_mask; 573 574 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 575 val = (ucontrol->value.integer.value[0] & mask); 576 if (invert) 577 val = mask - val; 578 val_mask = mask << shift; 579 val = val << shift; 580 if (shift != rshift) { 581 val2 = (ucontrol->value.integer.value[1] & mask); 582 if (invert) 583 val2 = mask - val2; 584 val_mask |= mask << rshift; 585 val |= val2 << rshift; 586 } 587 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 588 snd_ac97_page_restore(ac97, page_save); 589 return err; 590 } 591 592 static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = { 593 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 594 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 595 }; 596 597 static const snd_kcontrol_new_t snd_ac97_controls_tone[2] = { 598 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 599 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 600 }; 601 602 static const snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = { 603 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), 604 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) 605 }; 606 607 static const snd_kcontrol_new_t snd_ac97_controls_mic_boost = 608 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 609 610 611 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 612 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 613 static const char* std_mix[] = {"Mix", "Mic"}; 614 static const char* std_mic[] = {"Mic1", "Mic2"}; 615 616 static const struct ac97_enum std_enum[] = { 617 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 618 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 619 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 621 }; 622 623 static const snd_kcontrol_new_t snd_ac97_control_capture_src = 624 AC97_ENUM("Capture Source", std_enum[0]); 625 626 static const snd_kcontrol_new_t snd_ac97_control_capture_vol = 627 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 628 629 static const snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = { 630 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 631 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 632 }; 633 634 typedef enum { 635 AC97_GENERAL_PCM_OUT = 0, 636 AC97_GENERAL_STEREO_ENHANCEMENT, 637 AC97_GENERAL_3D, 638 AC97_GENERAL_LOUDNESS, 639 AC97_GENERAL_MONO, 640 AC97_GENERAL_MIC, 641 AC97_GENERAL_LOOPBACK 642 } ac97_general_index_t; 643 644 static const snd_kcontrol_new_t snd_ac97_controls_general[7] = { 645 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 646 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 647 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 648 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 649 AC97_ENUM("Mono Output Select", std_enum[2]), 650 AC97_ENUM("Mic Select", std_enum[3]), 651 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 652 }; 653 654 const snd_kcontrol_new_t snd_ac97_controls_3d[2] = { 655 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 656 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 657 }; 658 659 static const snd_kcontrol_new_t snd_ac97_controls_center[2] = { 660 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 661 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 662 }; 663 664 static const snd_kcontrol_new_t snd_ac97_controls_lfe[2] = { 665 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 666 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 667 }; 668 669 static const snd_kcontrol_new_t snd_ac97_control_eapd = 670 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 671 672 static const snd_kcontrol_new_t snd_ac97_controls_modem_switches[2] = { 673 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 674 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 675 }; 676 677 /* change the existing EAPD control as inverted */ 678 static void set_inv_eapd(ac97_t *ac97, snd_kcontrol_t *kctl) 679 { 680 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 681 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 682 ac97->scaps |= AC97_SCAP_INV_EAPD; 683 } 684 685 static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 686 { 687 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 688 uinfo->count = 1; 689 return 0; 690 } 691 692 static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 693 { 694 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 695 IEC958_AES0_NONAUDIO | 696 IEC958_AES0_CON_EMPHASIS_5015 | 697 IEC958_AES0_CON_NOT_COPYRIGHT; 698 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 699 IEC958_AES1_CON_ORIGINAL; 700 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 701 return 0; 702 } 703 704 static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 705 { 706 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 707 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 708 IEC958_AES0_NONAUDIO | 709 IEC958_AES0_PRO_FS | 710 IEC958_AES0_PRO_EMPHASIS_5015; 711 return 0; 712 } 713 714 static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 715 { 716 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 717 718 down(&ac97->reg_mutex); 719 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 720 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 721 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 722 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 723 up(&ac97->reg_mutex); 724 return 0; 725 } 726 727 static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 728 { 729 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 730 unsigned int new = 0; 731 unsigned short val = 0; 732 int change; 733 734 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 735 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 736 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 737 switch (new & IEC958_AES0_PRO_FS) { 738 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 739 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 740 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 741 default: val |= 1<<12; break; 742 } 743 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 744 val |= 1<<3; 745 } else { 746 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 747 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 748 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 749 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 750 val |= 1<<3; 751 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 752 val |= 1<<2; 753 val |= ((new >> 8) & 0xff) << 4; // category + original 754 switch ((new >> 24) & 0xff) { 755 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 756 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 757 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 758 default: val |= 1<<12; break; 759 } 760 } 761 762 down(&ac97->reg_mutex); 763 change = ac97->spdif_status != new; 764 ac97->spdif_status = new; 765 766 if (ac97->flags & AC97_CS_SPDIF) { 767 int x = (val >> 12) & 0x03; 768 switch (x) { 769 case 0: x = 1; break; // 44.1 770 case 2: x = 0; break; // 48.0 771 default: x = 0; break; // illegal. 772 } 773 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 774 } else if (ac97->flags & AC97_CX_SPDIF) { 775 int v; 776 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 777 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 778 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 779 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 780 v); 781 } else { 782 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 783 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 784 785 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 786 if (extst & AC97_EA_SPDIF) { 787 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 788 } 789 } 790 up(&ac97->reg_mutex); 791 792 return change; 793 } 794 795 static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 796 { 797 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 798 int reg = kcontrol->private_value & 0xff; 799 int shift = (kcontrol->private_value >> 8) & 0xff; 800 int mask = (kcontrol->private_value >> 16) & 0xff; 801 // int invert = (kcontrol->private_value >> 24) & 0xff; 802 unsigned short value, old, new; 803 int change; 804 805 value = (ucontrol->value.integer.value[0] & mask); 806 807 down(&ac97->reg_mutex); 808 mask <<= shift; 809 value <<= shift; 810 old = snd_ac97_read_cache(ac97, reg); 811 new = (old & ~mask) | value; 812 change = old != new; 813 814 if (change) { 815 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 816 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 817 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 818 if (extst & AC97_EA_SPDIF) 819 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 820 } 821 up(&ac97->reg_mutex); 822 return change; 823 } 824 825 const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = { 826 { 827 .access = SNDRV_CTL_ELEM_ACCESS_READ, 828 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 829 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 830 .info = snd_ac97_spdif_mask_info, 831 .get = snd_ac97_spdif_cmask_get, 832 }, 833 { 834 .access = SNDRV_CTL_ELEM_ACCESS_READ, 835 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 836 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 837 .info = snd_ac97_spdif_mask_info, 838 .get = snd_ac97_spdif_pmask_get, 839 }, 840 { 841 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 842 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 843 .info = snd_ac97_spdif_mask_info, 844 .get = snd_ac97_spdif_default_get, 845 .put = snd_ac97_spdif_default_put, 846 }, 847 848 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 849 { 850 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 851 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 852 .info = snd_ac97_info_volsw, 853 .get = snd_ac97_get_volsw, 854 .put = snd_ac97_put_spsa, 855 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 856 }, 857 }; 858 859 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 860 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 861 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 862 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 863 864 static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 865 { 866 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 867 int mask = (kcontrol->private_value >> 16) & 0x0f; 868 int lshift = (kcontrol->private_value >> 8) & 0x0f; 869 int rshift = (kcontrol->private_value >> 12) & 0x0f; 870 871 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 872 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 873 uinfo->count = 2; 874 else 875 uinfo->count = 1; 876 uinfo->value.integer.min = 0; 877 uinfo->value.integer.max = mask; 878 return 0; 879 } 880 881 static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 882 { 883 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 884 int codec = kcontrol->private_value & 3; 885 int lshift = (kcontrol->private_value >> 8) & 0x0f; 886 int rshift = (kcontrol->private_value >> 12) & 0x0f; 887 int mask = (kcontrol->private_value >> 16) & 0xff; 888 889 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 890 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 891 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 892 return 0; 893 } 894 895 static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 896 { 897 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 898 int codec = kcontrol->private_value & 3; 899 int lshift = (kcontrol->private_value >> 8) & 0x0f; 900 int rshift = (kcontrol->private_value >> 12) & 0x0f; 901 int mask = (kcontrol->private_value >> 16) & 0xff; 902 unsigned short val, valmask; 903 904 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 905 valmask = mask << lshift; 906 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 907 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 908 valmask |= mask << rshift; 909 } 910 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 911 } 912 913 #define AD18XX_PCM_VOLUME(xname, codec) \ 914 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 915 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 916 .private_value = codec } 917 918 static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 919 { 920 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 921 uinfo->count = 2; 922 uinfo->value.integer.min = 0; 923 uinfo->value.integer.max = 31; 924 return 0; 925 } 926 927 static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 928 { 929 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 930 int codec = kcontrol->private_value & 3; 931 932 down(&ac97->page_mutex); 933 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 934 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 935 up(&ac97->page_mutex); 936 return 0; 937 } 938 939 static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 940 { 941 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 942 int codec = kcontrol->private_value & 3; 943 unsigned short val1, val2; 944 945 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 946 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 947 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 948 } 949 950 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = { 951 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 952 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 953 }; 954 955 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = { 956 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 957 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 958 }; 959 960 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = { 961 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 962 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 963 }; 964 965 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = { 966 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 967 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 968 }; 969 970 /* 971 * 972 */ 973 974 static void snd_ac97_powerdown(ac97_t *ac97); 975 976 static int snd_ac97_bus_free(ac97_bus_t *bus) 977 { 978 if (bus) { 979 snd_ac97_bus_proc_done(bus); 980 kfree(bus->pcms); 981 if (bus->private_free) 982 bus->private_free(bus); 983 kfree(bus); 984 } 985 return 0; 986 } 987 988 static int snd_ac97_bus_dev_free(snd_device_t *device) 989 { 990 ac97_bus_t *bus = device->device_data; 991 return snd_ac97_bus_free(bus); 992 } 993 994 static int snd_ac97_free(ac97_t *ac97) 995 { 996 if (ac97) { 997 snd_ac97_proc_done(ac97); 998 if (ac97->bus) { 999 ac97->bus->codec[ac97->num] = NULL; 1000 if (ac97->bus->shared_type) { 1001 down(&shared_codec_mutex); 1002 shared_codec[ac97->bus->shared_type-1][ac97->num] = NULL; 1003 up(&shared_codec_mutex); 1004 } 1005 } 1006 if (ac97->private_free) 1007 ac97->private_free(ac97); 1008 kfree(ac97); 1009 } 1010 return 0; 1011 } 1012 1013 static int snd_ac97_dev_free(snd_device_t *device) 1014 { 1015 ac97_t *ac97 = device->device_data; 1016 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1017 return snd_ac97_free(ac97); 1018 } 1019 1020 static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg) 1021 { 1022 unsigned short val, mask = 0x8000; 1023 1024 if (! snd_ac97_valid_reg(ac97, reg)) 1025 return 0; 1026 1027 switch (reg) { 1028 case AC97_MASTER_TONE: 1029 return ac97->caps & 0x04 ? 1 : 0; 1030 case AC97_HEADPHONE: 1031 return ac97->caps & 0x10 ? 1 : 0; 1032 case AC97_REC_GAIN_MIC: 1033 return ac97->caps & 0x01 ? 1 : 0; 1034 case AC97_3D_CONTROL: 1035 if (ac97->caps & 0x7c00) { 1036 val = snd_ac97_read(ac97, reg); 1037 /* if nonzero - fixed and we can't set it */ 1038 return val == 0; 1039 } 1040 return 0; 1041 case AC97_CENTER_LFE_MASTER: /* center */ 1042 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1043 return 0; 1044 break; 1045 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1046 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1047 return 0; 1048 reg = AC97_CENTER_LFE_MASTER; 1049 mask = 0x0080; 1050 break; 1051 case AC97_SURROUND_MASTER: 1052 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1053 return 0; 1054 break; 1055 } 1056 1057 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed)) 1058 return 1; /* allow without check */ 1059 1060 val = snd_ac97_read(ac97, reg); 1061 if (!(val & mask)) { 1062 /* nothing seems to be here - mute flag is not set */ 1063 /* try another test */ 1064 snd_ac97_write_cache(ac97, reg, val | mask); 1065 val = snd_ac97_read(ac97, reg); 1066 if (!(val & mask)) 1067 return 0; /* nothing here */ 1068 } 1069 return 1; /* success, useable */ 1070 } 1071 1072 static void check_volume_resolution(ac97_t *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1073 { 1074 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1075 unsigned char max[3] = { 63, 31, 15 }; 1076 int i; 1077 1078 *lo_max = *hi_max = 0; 1079 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1080 unsigned short val; 1081 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); 1082 /* Do the read twice due to buffers on some ac97 codecs. 1083 * e.g. The STAC9704 returns exactly what you wrote the the register 1084 * if you read it immediately. This causes the detect routine to fail. 1085 */ 1086 val = snd_ac97_read(ac97, reg); 1087 val = snd_ac97_read(ac97, reg); 1088 if (! *lo_max && (val & 0x7f) == cbit[i]) 1089 *lo_max = max[i]; 1090 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1091 *hi_max = max[i]; 1092 if (*lo_max && *hi_max) 1093 break; 1094 } 1095 } 1096 1097 int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit) 1098 { 1099 unsigned short mask, val, orig, res; 1100 1101 mask = 1 << bit; 1102 orig = snd_ac97_read(ac97, reg); 1103 val = orig ^ mask; 1104 snd_ac97_write(ac97, reg, val); 1105 res = snd_ac97_read(ac97, reg); 1106 snd_ac97_write_cache(ac97, reg, orig); 1107 return res == val; 1108 } 1109 1110 /* check the volume resolution of center/lfe */ 1111 static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max) 1112 { 1113 unsigned short val, val1; 1114 1115 *max = 63; 1116 val = 0x8080 | (0x20 << shift); 1117 snd_ac97_write(ac97, reg, val); 1118 val1 = snd_ac97_read(ac97, reg); 1119 if (val != val1) { 1120 *max = 31; 1121 } 1122 /* reset volume to zero */ 1123 snd_ac97_write_cache(ac97, reg, 0x8080); 1124 } 1125 1126 static inline int printable(unsigned int x) 1127 { 1128 x &= 0xff; 1129 if (x < ' ' || x >= 0x71) { 1130 if (x <= 0x89) 1131 return x - 0x71 + 'A'; 1132 return '?'; 1133 } 1134 return x; 1135 } 1136 1137 snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97) 1138 { 1139 snd_kcontrol_new_t template; 1140 memcpy(&template, _template, sizeof(template)); 1141 snd_runtime_check(!template.index, return NULL); 1142 template.index = ac97->num; 1143 return snd_ctl_new1(&template, ac97); 1144 } 1145 1146 /* 1147 * create mute switch(es) for normal stereo controls 1148 */ 1149 static int snd_ac97_cmute_new_stereo(snd_card_t *card, char *name, int reg, int check_stereo, ac97_t *ac97) 1150 { 1151 snd_kcontrol_t *kctl; 1152 int err; 1153 unsigned short val, val1, mute_mask; 1154 1155 if (! snd_ac97_valid_reg(ac97, reg)) 1156 return 0; 1157 1158 mute_mask = 0x8000; 1159 val = snd_ac97_read(ac97, reg); 1160 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1161 /* check whether both mute bits work */ 1162 val1 = val | 0x8080; 1163 snd_ac97_write(ac97, reg, val1); 1164 if (val1 == snd_ac97_read(ac97, reg)) 1165 mute_mask = 0x8080; 1166 } 1167 if (mute_mask == 0x8080) { 1168 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1169 tmp.index = ac97->num; 1170 kctl = snd_ctl_new1(&tmp, ac97); 1171 } else { 1172 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1173 tmp.index = ac97->num; 1174 kctl = snd_ctl_new1(&tmp, ac97); 1175 } 1176 err = snd_ctl_add(card, kctl); 1177 if (err < 0) 1178 return err; 1179 /* mute as default */ 1180 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1181 return 0; 1182 } 1183 1184 /* 1185 * create a volume for normal stereo/mono controls 1186 */ 1187 static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int lo_max, 1188 unsigned int hi_max, ac97_t *ac97) 1189 { 1190 int err; 1191 snd_kcontrol_t *kctl; 1192 1193 if (! snd_ac97_valid_reg(ac97, reg)) 1194 return 0; 1195 if (hi_max) { 1196 /* invert */ 1197 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1198 tmp.index = ac97->num; 1199 kctl = snd_ctl_new1(&tmp, ac97); 1200 } else { 1201 /* invert */ 1202 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1203 tmp.index = ac97->num; 1204 kctl = snd_ctl_new1(&tmp, ac97); 1205 } 1206 err = snd_ctl_add(card, kctl); 1207 if (err < 0) 1208 return err; 1209 snd_ac97_write_cache(ac97, reg, 1210 (snd_ac97_read(ac97, reg) & 0x8080) | 1211 lo_max | (hi_max << 8)); 1212 return 0; 1213 } 1214 1215 /* 1216 * create a mute-switch and a volume for normal stereo/mono controls 1217 */ 1218 static int snd_ac97_cmix_new_stereo(snd_card_t *card, const char *pfx, int reg, int check_stereo, ac97_t *ac97) 1219 { 1220 int err; 1221 char name[44]; 1222 unsigned char lo_max, hi_max; 1223 1224 if (! snd_ac97_valid_reg(ac97, reg)) 1225 return 0; 1226 1227 if (snd_ac97_try_bit(ac97, reg, 15)) { 1228 sprintf(name, "%s Switch", pfx); 1229 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0) 1230 return err; 1231 } 1232 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1233 if (lo_max) { 1234 sprintf(name, "%s Volume", pfx); 1235 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1236 return err; 1237 } 1238 return 0; 1239 } 1240 1241 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97) 1242 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97) 1243 1244 static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97); 1245 1246 static int snd_ac97_mixer_build(ac97_t * ac97) 1247 { 1248 snd_card_t *card = ac97->bus->card; 1249 snd_kcontrol_t *kctl; 1250 int err; 1251 unsigned int idx; 1252 unsigned char max; 1253 1254 /* build master controls */ 1255 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1256 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1257 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1258 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97); 1259 else 1260 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97); 1261 if (err < 0) 1262 return err; 1263 } 1264 1265 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; 1266 1267 /* build center controls */ 1268 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) { 1269 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1270 return err; 1271 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1272 return err; 1273 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1274 kctl->private_value &= ~(0xff << 16); 1275 kctl->private_value |= (int)max << 16; 1276 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1277 } 1278 1279 /* build LFE controls */ 1280 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) { 1281 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1282 return err; 1283 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1284 return err; 1285 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1286 kctl->private_value &= ~(0xff << 16); 1287 kctl->private_value |= (int)max << 16; 1288 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1289 } 1290 1291 /* build surround controls */ 1292 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) { 1293 /* Surround Master (0x38) is with stereo mutes */ 1294 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0) 1295 return err; 1296 } 1297 1298 /* build headphone controls */ 1299 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1300 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0) 1301 return err; 1302 } 1303 1304 /* build master mono controls */ 1305 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1306 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0) 1307 return err; 1308 } 1309 1310 /* build master tone controls */ 1311 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1312 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1313 for (idx = 0; idx < 2; idx++) { 1314 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1315 return err; 1316 if (ac97->id == AC97_ID_YMF753) { 1317 kctl->private_value &= ~(0xff << 16); 1318 kctl->private_value |= 7 << 16; 1319 } 1320 } 1321 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1322 } 1323 } 1324 1325 /* build PC Speaker controls */ 1326 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1327 ((ac97->flags & AC97_HAS_PC_BEEP) || 1328 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1329 for (idx = 0; idx < 2; idx++) 1330 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1331 return err; 1332 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 1333 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); 1334 } 1335 1336 /* build Phone controls */ 1337 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1338 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1339 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0) 1340 return err; 1341 } 1342 } 1343 1344 /* build MIC controls */ 1345 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1346 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1347 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0) 1348 return err; 1349 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1350 return err; 1351 } 1352 } 1353 1354 /* build Line controls */ 1355 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1356 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0) 1357 return err; 1358 } 1359 1360 /* build CD controls */ 1361 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1362 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1363 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0) 1364 return err; 1365 } 1366 } 1367 1368 /* build Video controls */ 1369 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1370 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1371 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0) 1372 return err; 1373 } 1374 } 1375 1376 /* build Aux controls */ 1377 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1378 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0) 1379 return err; 1380 } 1381 1382 /* build PCM controls */ 1383 if (ac97->flags & AC97_AD_MULTI) { 1384 unsigned short init_val; 1385 if (ac97->flags & AC97_STEREO_MUTES) 1386 init_val = 0x9f9f; 1387 else 1388 init_val = 0x9f1f; 1389 for (idx = 0; idx < 2; idx++) 1390 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1391 return err; 1392 ac97->spec.ad18xx.pcmreg[0] = init_val; 1393 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1394 for (idx = 0; idx < 2; idx++) 1395 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1396 return err; 1397 ac97->spec.ad18xx.pcmreg[1] = init_val; 1398 } 1399 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1400 for (idx = 0; idx < 2; idx++) 1401 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1402 return err; 1403 for (idx = 0; idx < 2; idx++) 1404 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1405 return err; 1406 ac97->spec.ad18xx.pcmreg[2] = init_val; 1407 } 1408 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1409 } else { 1410 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1411 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1412 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97); 1413 else 1414 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97); 1415 if (err < 0) 1416 return err; 1417 } 1418 } 1419 1420 /* build Capture controls */ 1421 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1422 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1423 return err; 1424 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1425 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0) 1426 return err; 1427 } 1428 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1429 return err; 1430 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1431 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1432 } 1433 /* build MIC Capture controls */ 1434 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1435 for (idx = 0; idx < 2; idx++) 1436 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1437 return err; 1438 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1439 } 1440 1441 /* build PCM out path & mute control */ 1442 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1443 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1444 return err; 1445 } 1446 1447 /* build Simulated Stereo Enhancement control */ 1448 if (ac97->caps & 0x0008) { 1449 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1450 return err; 1451 } 1452 1453 /* build 3D Stereo Enhancement control */ 1454 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1455 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1456 return err; 1457 } 1458 1459 /* build Loudness control */ 1460 if (ac97->caps & 0x0020) { 1461 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1462 return err; 1463 } 1464 1465 /* build Mono output select control */ 1466 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1467 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1468 return err; 1469 } 1470 1471 /* build Mic select control */ 1472 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1473 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1474 return err; 1475 } 1476 1477 /* build ADC/DAC loopback control */ 1478 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1479 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1480 return err; 1481 } 1482 1483 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1484 1485 /* build 3D controls */ 1486 if (ac97->build_ops->build_3d) { 1487 ac97->build_ops->build_3d(ac97); 1488 } else { 1489 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1490 unsigned short val; 1491 val = 0x0707; 1492 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1493 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1494 val = val == 0x0606; 1495 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1496 return err; 1497 if (val) 1498 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1499 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1500 return err; 1501 if (val) 1502 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1503 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1504 } 1505 } 1506 1507 /* build S/PDIF controls */ 1508 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1509 if (ac97->build_ops->build_spdif) { 1510 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1511 return err; 1512 } else { 1513 for (idx = 0; idx < 5; idx++) 1514 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1515 return err; 1516 if (ac97->build_ops->build_post_spdif) { 1517 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1518 return err; 1519 } 1520 /* set default PCM S/PDIF params */ 1521 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1522 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1523 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1524 } 1525 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1526 } 1527 1528 /* build chip specific controls */ 1529 if (ac97->build_ops->build_specific) 1530 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1531 return err; 1532 1533 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1534 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1535 if (! kctl) 1536 return -ENOMEM; 1537 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1538 set_inv_eapd(ac97, kctl); 1539 if ((err = snd_ctl_add(card, kctl)) < 0) 1540 return err; 1541 } 1542 1543 return 0; 1544 } 1545 1546 static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97) 1547 { 1548 int err, idx; 1549 1550 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG)); 1551 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1552 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1553 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1554 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1555 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1556 1557 /* build modem switches */ 1558 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1559 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1560 return err; 1561 1562 /* build chip specific controls */ 1563 if (ac97->build_ops->build_specific) 1564 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1565 return err; 1566 1567 return 0; 1568 } 1569 1570 static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate) 1571 { 1572 unsigned short val; 1573 unsigned int tmp; 1574 1575 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1576 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1577 if (shadow_reg) 1578 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1579 val = snd_ac97_read(ac97, reg); 1580 return val == (tmp & 0xffff); 1581 } 1582 1583 static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result) 1584 { 1585 unsigned int result = 0; 1586 unsigned short saved; 1587 1588 if (ac97->bus->no_vra) { 1589 *r_result = SNDRV_PCM_RATE_48000; 1590 if ((ac97->flags & AC97_DOUBLE_RATE) && 1591 reg == AC97_PCM_FRONT_DAC_RATE) 1592 *r_result |= SNDRV_PCM_RATE_96000; 1593 return; 1594 } 1595 1596 saved = snd_ac97_read(ac97, reg); 1597 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1598 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1599 AC97_EA_DRA, 0); 1600 /* test a non-standard rate */ 1601 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1602 result |= SNDRV_PCM_RATE_CONTINUOUS; 1603 /* let's try to obtain standard rates */ 1604 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1605 result |= SNDRV_PCM_RATE_8000; 1606 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1607 result |= SNDRV_PCM_RATE_11025; 1608 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1609 result |= SNDRV_PCM_RATE_16000; 1610 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1611 result |= SNDRV_PCM_RATE_22050; 1612 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1613 result |= SNDRV_PCM_RATE_32000; 1614 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1615 result |= SNDRV_PCM_RATE_44100; 1616 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1617 result |= SNDRV_PCM_RATE_48000; 1618 if ((ac97->flags & AC97_DOUBLE_RATE) && 1619 reg == AC97_PCM_FRONT_DAC_RATE) { 1620 /* test standard double rates */ 1621 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1622 AC97_EA_DRA, AC97_EA_DRA); 1623 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1624 result |= SNDRV_PCM_RATE_64000; 1625 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1626 result |= SNDRV_PCM_RATE_88200; 1627 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1628 result |= SNDRV_PCM_RATE_96000; 1629 /* some codecs don't support variable double rates */ 1630 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1631 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1632 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1633 AC97_EA_DRA, 0); 1634 } 1635 /* restore the default value */ 1636 snd_ac97_write_cache(ac97, reg, saved); 1637 if (shadow_reg) 1638 snd_ac97_write_cache(ac97, shadow_reg, saved); 1639 *r_result = result; 1640 } 1641 1642 /* check AC97_SPDIF register to accept which sample rates */ 1643 static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97) 1644 { 1645 unsigned int result = 0; 1646 int i; 1647 static unsigned short ctl_bits[] = { 1648 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1649 }; 1650 static unsigned int rate_bits[] = { 1651 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1652 }; 1653 1654 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1655 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1656 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1657 result |= rate_bits[i]; 1658 } 1659 return result; 1660 } 1661 1662 /* look for the codec id table matching with the given id */ 1663 static const ac97_codec_id_t *look_for_codec_id(const ac97_codec_id_t *table, 1664 unsigned int id) 1665 { 1666 const ac97_codec_id_t *pid; 1667 1668 for (pid = table; pid->id; pid++) 1669 if (pid->id == (id & pid->mask)) 1670 return pid; 1671 return NULL; 1672 } 1673 1674 void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem) 1675 { 1676 const ac97_codec_id_t *pid; 1677 1678 sprintf(name, "0x%x %c%c%c", id, 1679 printable(id >> 24), 1680 printable(id >> 16), 1681 printable(id >> 8)); 1682 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1683 if (! pid) 1684 return; 1685 1686 strcpy(name, pid->name); 1687 if (ac97 && pid->patch) { 1688 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1689 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1690 pid->patch(ac97); 1691 } 1692 1693 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1694 if (pid) { 1695 strcat(name, " "); 1696 strcat(name, pid->name); 1697 if (pid->mask != 0xffffffff) 1698 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1699 if (ac97 && pid->patch) { 1700 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1701 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1702 pid->patch(ac97); 1703 } 1704 } else 1705 sprintf(name + strlen(name), " id %x", id & 0xff); 1706 } 1707 1708 /** 1709 * snd_ac97_get_short_name - retrieve codec name 1710 * @ac97: the codec instance 1711 * 1712 * Returns the short identifying name of the codec. 1713 */ 1714 const char *snd_ac97_get_short_name(ac97_t *ac97) 1715 { 1716 const ac97_codec_id_t *pid; 1717 1718 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1719 if (pid->id == (ac97->id & pid->mask)) 1720 return pid->name; 1721 return "unknown codec"; 1722 } 1723 1724 1725 /* wait for a while until registers are accessible after RESET 1726 * return 0 if ok, negative not ready 1727 */ 1728 static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem) 1729 { 1730 unsigned long end_time; 1731 unsigned short val; 1732 1733 end_time = jiffies + timeout; 1734 do { 1735 1736 /* use preliminary reads to settle the communication */ 1737 snd_ac97_read(ac97, AC97_RESET); 1738 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1739 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1740 /* modem? */ 1741 if (with_modem) { 1742 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1743 if (val != 0xffff && (val & 1) != 0) 1744 return 0; 1745 } 1746 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1747 /* probably only Xbox issue - all registers are read as zero */ 1748 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1749 if (val != 0 && val != 0xffff) 1750 return 0; 1751 } else { 1752 /* because the PCM or MASTER volume registers can be modified, 1753 * the REC_GAIN register is used for tests 1754 */ 1755 /* test if we can write to the record gain volume register */ 1756 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1757 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1758 return 0; 1759 } 1760 set_current_state(TASK_UNINTERRUPTIBLE); 1761 schedule_timeout(1); 1762 } while (time_after_eq(end_time, jiffies)); 1763 return -ENODEV; 1764 } 1765 1766 /** 1767 * snd_ac97_bus - create an AC97 bus component 1768 * @card: the card instance 1769 * @num: the bus number 1770 * @ops: the bus callbacks table 1771 * @private_data: private data pointer for the new instance 1772 * @rbus: the pointer to store the new AC97 bus instance. 1773 * 1774 * Creates an AC97 bus component. An ac97_bus_t instance is newly 1775 * allocated and initialized. 1776 * 1777 * The ops table must include valid callbacks (at least read and 1778 * write). The other callbacks, wait and reset, are not mandatory. 1779 * 1780 * The clock is set to 48000. If another clock is needed, set 1781 * (*rbus)->clock manually. 1782 * 1783 * The AC97 bus instance is registered as a low-level device, so you don't 1784 * have to release it manually. 1785 * 1786 * Returns zero if successful, or a negative error code on failure. 1787 */ 1788 int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops, 1789 void *private_data, ac97_bus_t **rbus) 1790 { 1791 int err; 1792 ac97_bus_t *bus; 1793 static snd_device_ops_t dev_ops = { 1794 .dev_free = snd_ac97_bus_dev_free, 1795 }; 1796 1797 snd_assert(card != NULL, return -EINVAL); 1798 snd_assert(rbus != NULL, return -EINVAL); 1799 bus = kcalloc(1, sizeof(*bus), GFP_KERNEL); 1800 if (bus == NULL) 1801 return -ENOMEM; 1802 bus->card = card; 1803 bus->num = num; 1804 bus->ops = ops; 1805 bus->private_data = private_data; 1806 bus->clock = 48000; 1807 spin_lock_init(&bus->bus_lock); 1808 snd_ac97_bus_proc_init(bus); 1809 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1810 snd_ac97_bus_free(bus); 1811 return err; 1812 } 1813 *rbus = bus; 1814 return 0; 1815 } 1816 1817 /* stop no dev release warning */ 1818 static void ac97_device_release(struct device * dev) 1819 { 1820 } 1821 1822 /* register ac97 codec to bus */ 1823 static int snd_ac97_dev_register(snd_device_t *device) 1824 { 1825 ac97_t *ac97 = device->device_data; 1826 int err; 1827 1828 ac97->dev.bus = &ac97_bus_type; 1829 ac97->dev.parent = ac97->bus->card->dev; 1830 ac97->dev.platform_data = ac97; 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 = kcalloc(1, 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