1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz> 3 * Universal interface for Audio Codec '97 4 * 5 * For more details look to AC '97 component specification revision 2.2 6 * by Intel Corporation (http://developer.intel.com). 7 * 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 */ 24 25 #include <sound/driver.h> 26 #include <linux/delay.h> 27 #include <linux/init.h> 28 #include <linux/slab.h> 29 #include <linux/pci.h> 30 #include <linux/moduleparam.h> 31 #include <sound/core.h> 32 #include <sound/pcm.h> 33 #include <sound/ac97_codec.h> 34 #include <sound/asoundef.h> 35 #include <sound/initval.h> 36 #include "ac97_local.h" 37 #include "ac97_id.h" 38 #include "ac97_patch.h" 39 40 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 41 MODULE_DESCRIPTION("Universal interface for Audio Codec '97"); 42 MODULE_LICENSE("GPL"); 43 44 static int enable_loopback; 45 46 module_param(enable_loopback, bool, 0444); 47 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control"); 48 49 /* 50 51 */ 52 53 typedef struct { 54 unsigned int id; 55 unsigned int mask; 56 const char *name; 57 int (*patch)(ac97_t *ac97); 58 int (*mpatch)(ac97_t *ac97); 59 unsigned int flags; 60 } ac97_codec_id_t; 61 62 static const ac97_codec_id_t snd_ac97_codec_id_vendors[] = { 63 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, 64 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, 65 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, 66 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL }, 67 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, 68 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, 69 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, 70 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, 71 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, 72 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, 73 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, 74 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, 75 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, 76 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, 77 { 0x50534300, 0xffffff00, "Philips", NULL, NULL }, 78 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, 79 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, 80 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, 81 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, 82 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, 83 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, 84 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, 85 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, 86 { 0, 0, NULL, NULL, NULL } 87 }; 88 89 static const ac97_codec_id_t snd_ac97_codec_ids[] = { 90 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, 91 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, 92 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, 93 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, 94 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, 95 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, 96 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, 97 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, 98 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, 99 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, 100 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, 101 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, 102 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, 103 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, 104 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, 105 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, 106 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, 107 { 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL }, 108 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, 109 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, 110 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ 111 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ 112 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ 113 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, 114 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, 115 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ 116 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 117 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 118 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 119 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 120 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 121 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL }, 122 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, 123 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, 124 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, 125 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 126 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 127 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL }, 128 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, 129 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, 130 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, 131 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, 132 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, 133 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, 134 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, 135 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, 136 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, 137 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II 138 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different 139 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 140 { 0x454d4328, 0xffffffff, "28028", NULL, NULL }, // same as TR28028? 141 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 142 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 143 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 144 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 145 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 146 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 147 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 148 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 149 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 150 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 151 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 152 { 0x4e534350, 0xffffffff, "LM4550", NULL, NULL }, 153 { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL }, 154 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 155 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 156 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 157 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 158 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 159 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 160 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 161 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 162 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 163 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL }, 164 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 165 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 166 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 167 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 168 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL}, 169 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 170 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL }, 171 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 172 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 173 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 174 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 175 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 176 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 177 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 178 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 179 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 180 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 181 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 182 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 183 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 184 { 0, 0, NULL, NULL, NULL } 185 }; 186 187 const char *snd_ac97_stereo_enhancements[] = 188 { 189 /* 0 */ "No 3D Stereo Enhancement", 190 /* 1 */ "Analog Devices Phat Stereo", 191 /* 2 */ "Creative Stereo Enhancement", 192 /* 3 */ "National Semi 3D Stereo Enhancement", 193 /* 4 */ "YAMAHA Ymersion", 194 /* 5 */ "BBE 3D Stereo Enhancement", 195 /* 6 */ "Crystal Semi 3D Stereo Enhancement", 196 /* 7 */ "Qsound QXpander", 197 /* 8 */ "Spatializer 3D Stereo Enhancement", 198 /* 9 */ "SRS 3D Stereo Enhancement", 199 /* 10 */ "Platform Tech 3D Stereo Enhancement", 200 /* 11 */ "AKM 3D Audio", 201 /* 12 */ "Aureal Stereo Enhancement", 202 /* 13 */ "Aztech 3D Enhancement", 203 /* 14 */ "Binaura 3D Audio Enhancement", 204 /* 15 */ "ESS Technology Stereo Enhancement", 205 /* 16 */ "Harman International VMAx", 206 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement", 207 /* 18 */ "Philips Incredible Sound", 208 /* 19 */ "Texas Instruments 3D Stereo Enhancement", 209 /* 20 */ "VLSI Technology 3D Stereo Enhancement", 210 /* 21 */ "TriTech 3D Stereo Enhancement", 211 /* 22 */ "Realtek 3D Stereo Enhancement", 212 /* 23 */ "Samsung 3D Stereo Enhancement", 213 /* 24 */ "Wolfson Microelectronics 3D Enhancement", 214 /* 25 */ "Delta Integration 3D Enhancement", 215 /* 26 */ "SigmaTel 3D Enhancement", 216 /* 27 */ "IC Ensemble/KS Waves", 217 /* 28 */ "Rockwell 3D Stereo Enhancement", 218 /* 29 */ "Reserved 29", 219 /* 30 */ "Reserved 30", 220 /* 31 */ "Reserved 31" 221 }; 222 223 224 /* 225 * I/O routines 226 */ 227 228 static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg) 229 { 230 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed)) 231 return 0; 232 233 /* filter some registers for buggy codecs */ 234 switch (ac97->id) { 235 case AC97_ID_AK4540: 236 case AC97_ID_AK4542: 237 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 238 return 1; 239 return 0; 240 case AC97_ID_AD1819: /* AD1819 */ 241 case AC97_ID_AD1881: /* AD1881 */ 242 case AC97_ID_AD1881A: /* AD1881A */ 243 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 244 return 0; 245 return 1; 246 case AC97_ID_AD1885: /* AD1885 */ 247 case AC97_ID_AD1886: /* AD1886 */ 248 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 249 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 250 if (reg == 0x5a) 251 return 1; 252 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 253 return 0; 254 return 1; 255 case AC97_ID_STAC9700: 256 case AC97_ID_STAC9704: 257 case AC97_ID_STAC9705: 258 case AC97_ID_STAC9708: 259 case AC97_ID_STAC9721: 260 case AC97_ID_STAC9744: 261 case AC97_ID_STAC9756: 262 if (reg <= 0x3a || reg >= 0x5a) 263 return 1; 264 return 0; 265 } 266 return 1; 267 } 268 269 /** 270 * snd_ac97_write - write a value on the given register 271 * @ac97: the ac97 instance 272 * @reg: the register to change 273 * @value: the value to set 274 * 275 * Writes a value on the given register. This will invoke the write 276 * callback directly after the register check. 277 * This function doesn't change the register cache unlike 278 * #snd_ca97_write_cache(), so use this only when you don't want to 279 * reflect the change to the suspend/resume state. 280 */ 281 void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value) 282 { 283 if (!snd_ac97_valid_reg(ac97, reg)) 284 return; 285 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 286 /* Fix H/W bug of ALC100/100P */ 287 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 288 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 289 } 290 ac97->bus->ops->write(ac97, reg, value); 291 } 292 293 /** 294 * snd_ac97_read - read a value from the given register 295 * 296 * @ac97: the ac97 instance 297 * @reg: the register to read 298 * 299 * Reads a value from the given register. This will invoke the read 300 * callback directly after the register check. 301 * 302 * Returns the read value. 303 */ 304 unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg) 305 { 306 if (!snd_ac97_valid_reg(ac97, reg)) 307 return 0; 308 return ac97->bus->ops->read(ac97, reg); 309 } 310 311 /* read a register - return the cached value if already read */ 312 static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short reg) 313 { 314 if (! test_bit(reg, ac97->reg_accessed)) { 315 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 316 // set_bit(reg, ac97->reg_accessed); 317 } 318 return ac97->regs[reg]; 319 } 320 321 /** 322 * snd_ac97_write_cache - write a value on the given register and update the cache 323 * @ac97: the ac97 instance 324 * @reg: the register to change 325 * @value: the value to set 326 * 327 * Writes a value on the given register and updates the register 328 * cache. The cached values are used for the cached-read and the 329 * suspend/resume. 330 */ 331 void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value) 332 { 333 if (!snd_ac97_valid_reg(ac97, reg)) 334 return; 335 down(&ac97->reg_mutex); 336 ac97->regs[reg] = value; 337 ac97->bus->ops->write(ac97, reg, value); 338 set_bit(reg, ac97->reg_accessed); 339 up(&ac97->reg_mutex); 340 } 341 342 /** 343 * snd_ac97_update - update the value on the given register 344 * @ac97: the ac97 instance 345 * @reg: the register to change 346 * @value: the value to set 347 * 348 * Compares the value with the register cache and updates the value 349 * only when the value is changed. 350 * 351 * Returns 1 if the value is changed, 0 if no change, or a negative 352 * code on failure. 353 */ 354 int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value) 355 { 356 int change; 357 358 if (!snd_ac97_valid_reg(ac97, reg)) 359 return -EINVAL; 360 down(&ac97->reg_mutex); 361 change = ac97->regs[reg] != value; 362 if (change) { 363 ac97->regs[reg] = value; 364 ac97->bus->ops->write(ac97, reg, value); 365 } 366 set_bit(reg, ac97->reg_accessed); 367 up(&ac97->reg_mutex); 368 return change; 369 } 370 371 /** 372 * snd_ac97_update_bits - update the bits on the given register 373 * @ac97: the ac97 instance 374 * @reg: the register to change 375 * @mask: the bit-mask to change 376 * @value: the value to set 377 * 378 * Updates the masked-bits on the given register only when the value 379 * is changed. 380 * 381 * Returns 1 if the bits are changed, 0 if no change, or a negative 382 * code on failure. 383 */ 384 int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value) 385 { 386 int change; 387 388 if (!snd_ac97_valid_reg(ac97, reg)) 389 return -EINVAL; 390 down(&ac97->reg_mutex); 391 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 392 up(&ac97->reg_mutex); 393 return change; 394 } 395 396 /* no lock version - see snd_ac97_updat_bits() */ 397 int snd_ac97_update_bits_nolock(ac97_t *ac97, unsigned short reg, 398 unsigned short mask, unsigned short value) 399 { 400 int change; 401 unsigned short old, new; 402 403 old = snd_ac97_read_cache(ac97, reg); 404 new = (old & ~mask) | value; 405 change = old != new; 406 if (change) { 407 ac97->regs[reg] = new; 408 ac97->bus->ops->write(ac97, reg, new); 409 } 410 set_bit(reg, ac97->reg_accessed); 411 return change; 412 } 413 414 static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value) 415 { 416 int change; 417 unsigned short old, new, cfg; 418 419 down(&ac97->page_mutex); 420 old = ac97->spec.ad18xx.pcmreg[codec]; 421 new = (old & ~mask) | value; 422 change = old != new; 423 if (change) { 424 down(&ac97->reg_mutex); 425 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 426 ac97->spec.ad18xx.pcmreg[codec] = new; 427 /* select single codec */ 428 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 429 (cfg & ~0x7000) | 430 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 431 /* update PCM bits */ 432 ac97->bus->ops->write(ac97, AC97_PCM, new); 433 /* select all codecs */ 434 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 435 cfg | 0x7000); 436 up(&ac97->reg_mutex); 437 } 438 up(&ac97->page_mutex); 439 return change; 440 } 441 442 /* 443 * Controls 444 */ 445 446 int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 447 { 448 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 449 450 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 451 uinfo->count = e->shift_l == e->shift_r ? 1 : 2; 452 uinfo->value.enumerated.items = e->mask; 453 454 if (uinfo->value.enumerated.item > e->mask - 1) 455 uinfo->value.enumerated.item = e->mask - 1; 456 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); 457 return 0; 458 } 459 460 int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 461 { 462 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 463 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 464 unsigned short val, bitmask; 465 466 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 467 ; 468 val = snd_ac97_read_cache(ac97, e->reg); 469 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 470 if (e->shift_l != e->shift_r) 471 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 472 473 return 0; 474 } 475 476 int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 477 { 478 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 479 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 480 unsigned short val; 481 unsigned short mask, bitmask; 482 483 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 484 ; 485 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 486 return -EINVAL; 487 val = ucontrol->value.enumerated.item[0] << e->shift_l; 488 mask = (bitmask - 1) << e->shift_l; 489 if (e->shift_l != e->shift_r) { 490 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 491 return -EINVAL; 492 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 493 mask |= (bitmask - 1) << e->shift_r; 494 } 495 return snd_ac97_update_bits(ac97, e->reg, mask, val); 496 } 497 498 /* save/restore ac97 v2.3 paging */ 499 static int snd_ac97_page_save(ac97_t *ac97, int reg, snd_kcontrol_t *kcontrol) 500 { 501 int page_save = -1; 502 if ((kcontrol->private_value & (1<<25)) && 503 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 504 (reg >= 0x60 && reg < 0x70)) { 505 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 506 down(&ac97->page_mutex); /* lock paging */ 507 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 508 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 509 } 510 return page_save; 511 } 512 513 static void snd_ac97_page_restore(ac97_t *ac97, int page_save) 514 { 515 if (page_save >= 0) { 516 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 517 up(&ac97->page_mutex); /* unlock paging */ 518 } 519 } 520 521 /* volume and switch controls */ 522 int snd_ac97_info_volsw(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 523 { 524 int mask = (kcontrol->private_value >> 16) & 0xff; 525 int shift = (kcontrol->private_value >> 8) & 0x0f; 526 int rshift = (kcontrol->private_value >> 12) & 0x0f; 527 528 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 529 uinfo->count = shift == rshift ? 1 : 2; 530 uinfo->value.integer.min = 0; 531 uinfo->value.integer.max = mask; 532 return 0; 533 } 534 535 int snd_ac97_get_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 536 { 537 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 538 int reg = kcontrol->private_value & 0xff; 539 int shift = (kcontrol->private_value >> 8) & 0x0f; 540 int rshift = (kcontrol->private_value >> 12) & 0x0f; 541 int mask = (kcontrol->private_value >> 16) & 0xff; 542 int invert = (kcontrol->private_value >> 24) & 0x01; 543 int page_save; 544 545 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 546 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 547 if (shift != rshift) 548 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 549 if (invert) { 550 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 551 if (shift != rshift) 552 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 553 } 554 snd_ac97_page_restore(ac97, page_save); 555 return 0; 556 } 557 558 int snd_ac97_put_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 559 { 560 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 561 int reg = kcontrol->private_value & 0xff; 562 int shift = (kcontrol->private_value >> 8) & 0x0f; 563 int rshift = (kcontrol->private_value >> 12) & 0x0f; 564 int mask = (kcontrol->private_value >> 16) & 0xff; 565 int invert = (kcontrol->private_value >> 24) & 0x01; 566 int err, page_save; 567 unsigned short val, val2, val_mask; 568 569 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 570 val = (ucontrol->value.integer.value[0] & mask); 571 if (invert) 572 val = mask - val; 573 val_mask = mask << shift; 574 val = val << shift; 575 if (shift != rshift) { 576 val2 = (ucontrol->value.integer.value[1] & mask); 577 if (invert) 578 val2 = mask - val2; 579 val_mask |= mask << rshift; 580 val |= val2 << rshift; 581 } 582 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 583 snd_ac97_page_restore(ac97, page_save); 584 return err; 585 } 586 587 static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = { 588 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 589 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) 590 }; 591 592 static const snd_kcontrol_new_t snd_ac97_controls_tone[2] = { 593 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 594 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 595 }; 596 597 static const snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = { 598 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), 599 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) 600 }; 601 602 static const snd_kcontrol_new_t snd_ac97_controls_mic_boost = 603 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 604 605 606 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 607 static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 608 static const char* std_mix[] = {"Mix", "Mic"}; 609 static const char* std_mic[] = {"Mic1", "Mic2"}; 610 611 static const struct ac97_enum std_enum[] = { 612 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 613 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 614 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 615 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 616 }; 617 618 static const snd_kcontrol_new_t snd_ac97_control_capture_src = 619 AC97_ENUM("Capture Source", std_enum[0]); 620 621 static const snd_kcontrol_new_t snd_ac97_control_capture_vol = 622 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 623 624 static const snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = { 625 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 626 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 627 }; 628 629 typedef enum { 630 AC97_GENERAL_PCM_OUT = 0, 631 AC97_GENERAL_STEREO_ENHANCEMENT, 632 AC97_GENERAL_3D, 633 AC97_GENERAL_LOUDNESS, 634 AC97_GENERAL_MONO, 635 AC97_GENERAL_MIC, 636 AC97_GENERAL_LOOPBACK 637 } ac97_general_index_t; 638 639 static const snd_kcontrol_new_t snd_ac97_controls_general[7] = { 640 AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 641 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 642 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 643 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 644 AC97_ENUM("Mono Output Select", std_enum[2]), 645 AC97_ENUM("Mic Select", std_enum[3]), 646 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 647 }; 648 649 const snd_kcontrol_new_t snd_ac97_controls_3d[2] = { 650 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 651 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 652 }; 653 654 static const snd_kcontrol_new_t snd_ac97_controls_center[2] = { 655 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 656 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 657 }; 658 659 static const snd_kcontrol_new_t snd_ac97_controls_lfe[2] = { 660 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 661 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 662 }; 663 664 static const snd_kcontrol_new_t snd_ac97_control_eapd = 665 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 666 667 static const snd_kcontrol_new_t snd_ac97_controls_modem_switches[2] = { 668 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 669 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 670 }; 671 672 /* change the existing EAPD control as inverted */ 673 static void set_inv_eapd(ac97_t *ac97, snd_kcontrol_t *kctl) 674 { 675 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 676 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 677 ac97->scaps |= AC97_SCAP_INV_EAPD; 678 } 679 680 static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 681 { 682 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 683 uinfo->count = 1; 684 return 0; 685 } 686 687 static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 688 { 689 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 690 IEC958_AES0_NONAUDIO | 691 IEC958_AES0_CON_EMPHASIS_5015 | 692 IEC958_AES0_CON_NOT_COPYRIGHT; 693 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 694 IEC958_AES1_CON_ORIGINAL; 695 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 696 return 0; 697 } 698 699 static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 700 { 701 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 702 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 703 IEC958_AES0_NONAUDIO | 704 IEC958_AES0_PRO_FS | 705 IEC958_AES0_PRO_EMPHASIS_5015; 706 return 0; 707 } 708 709 static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 710 { 711 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 712 713 down(&ac97->reg_mutex); 714 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 715 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 716 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 717 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 718 up(&ac97->reg_mutex); 719 return 0; 720 } 721 722 static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol) 723 { 724 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 725 unsigned int new = 0; 726 unsigned short val = 0; 727 int change; 728 729 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 730 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 731 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 732 switch (new & IEC958_AES0_PRO_FS) { 733 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 734 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 735 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 736 default: val |= 1<<12; break; 737 } 738 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 739 val |= 1<<3; 740 } else { 741 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 742 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 743 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 744 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 745 val |= 1<<3; 746 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 747 val |= 1<<2; 748 val |= ((new >> 8) & 0xff) << 4; // category + original 749 switch ((new >> 24) & 0xff) { 750 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 751 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 752 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 753 default: val |= 1<<12; break; 754 } 755 } 756 757 down(&ac97->reg_mutex); 758 change = ac97->spdif_status != new; 759 ac97->spdif_status = new; 760 761 if (ac97->flags & AC97_CS_SPDIF) { 762 int x = (val >> 12) & 0x03; 763 switch (x) { 764 case 0: x = 1; break; // 44.1 765 case 2: x = 0; break; // 48.0 766 default: x = 0; break; // illegal. 767 } 768 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 769 } else if (ac97->flags & AC97_CX_SPDIF) { 770 int v; 771 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 772 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 773 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 774 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 775 v); 776 } else { 777 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 778 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 779 780 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 781 if (extst & AC97_EA_SPDIF) { 782 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 783 } 784 } 785 up(&ac97->reg_mutex); 786 787 return change; 788 } 789 790 static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 791 { 792 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 793 int reg = kcontrol->private_value & 0xff; 794 int shift = (kcontrol->private_value >> 8) & 0xff; 795 int mask = (kcontrol->private_value >> 16) & 0xff; 796 // int invert = (kcontrol->private_value >> 24) & 0xff; 797 unsigned short value, old, new; 798 int change; 799 800 value = (ucontrol->value.integer.value[0] & mask); 801 802 down(&ac97->reg_mutex); 803 mask <<= shift; 804 value <<= shift; 805 old = snd_ac97_read_cache(ac97, reg); 806 new = (old & ~mask) | value; 807 change = old != new; 808 809 if (change) { 810 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 811 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 812 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 813 if (extst & AC97_EA_SPDIF) 814 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 815 } 816 up(&ac97->reg_mutex); 817 return change; 818 } 819 820 const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = { 821 { 822 .access = SNDRV_CTL_ELEM_ACCESS_READ, 823 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 824 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 825 .info = snd_ac97_spdif_mask_info, 826 .get = snd_ac97_spdif_cmask_get, 827 }, 828 { 829 .access = SNDRV_CTL_ELEM_ACCESS_READ, 830 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 831 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 832 .info = snd_ac97_spdif_mask_info, 833 .get = snd_ac97_spdif_pmask_get, 834 }, 835 { 836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 838 .info = snd_ac97_spdif_mask_info, 839 .get = snd_ac97_spdif_default_get, 840 .put = snd_ac97_spdif_default_put, 841 }, 842 843 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 844 { 845 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 846 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 847 .info = snd_ac97_info_volsw, 848 .get = snd_ac97_get_volsw, 849 .put = snd_ac97_put_spsa, 850 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 851 }, 852 }; 853 854 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 855 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 856 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 857 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 858 859 static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 860 { 861 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 862 int mask = (kcontrol->private_value >> 16) & 0x0f; 863 int lshift = (kcontrol->private_value >> 8) & 0x0f; 864 int rshift = (kcontrol->private_value >> 12) & 0x0f; 865 866 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 867 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 868 uinfo->count = 2; 869 else 870 uinfo->count = 1; 871 uinfo->value.integer.min = 0; 872 uinfo->value.integer.max = mask; 873 return 0; 874 } 875 876 static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 877 { 878 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 879 int codec = kcontrol->private_value & 3; 880 int lshift = (kcontrol->private_value >> 8) & 0x0f; 881 int rshift = (kcontrol->private_value >> 12) & 0x0f; 882 int mask = (kcontrol->private_value >> 16) & 0xff; 883 884 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 885 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 886 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 887 return 0; 888 } 889 890 static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 891 { 892 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 893 int codec = kcontrol->private_value & 3; 894 int lshift = (kcontrol->private_value >> 8) & 0x0f; 895 int rshift = (kcontrol->private_value >> 12) & 0x0f; 896 int mask = (kcontrol->private_value >> 16) & 0xff; 897 unsigned short val, valmask; 898 899 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 900 valmask = mask << lshift; 901 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 902 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 903 valmask |= mask << rshift; 904 } 905 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 906 } 907 908 #define AD18XX_PCM_VOLUME(xname, codec) \ 909 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 910 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 911 .private_value = codec } 912 913 static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 914 { 915 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 916 uinfo->count = 2; 917 uinfo->value.integer.min = 0; 918 uinfo->value.integer.max = 31; 919 return 0; 920 } 921 922 static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 923 { 924 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 925 int codec = kcontrol->private_value & 3; 926 927 down(&ac97->page_mutex); 928 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 929 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 930 up(&ac97->page_mutex); 931 return 0; 932 } 933 934 static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 935 { 936 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 937 int codec = kcontrol->private_value & 3; 938 unsigned short val1, val2; 939 940 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 941 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 942 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 943 } 944 945 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = { 946 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 947 AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 948 }; 949 950 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = { 951 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 952 AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 953 }; 954 955 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = { 956 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 957 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 958 }; 959 960 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = { 961 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 962 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 963 }; 964 965 /* 966 * 967 */ 968 969 static void snd_ac97_powerdown(ac97_t *ac97); 970 971 static int snd_ac97_bus_free(ac97_bus_t *bus) 972 { 973 if (bus) { 974 snd_ac97_bus_proc_done(bus); 975 kfree(bus->pcms); 976 if (bus->private_free) 977 bus->private_free(bus); 978 kfree(bus); 979 } 980 return 0; 981 } 982 983 static int snd_ac97_bus_dev_free(snd_device_t *device) 984 { 985 ac97_bus_t *bus = device->device_data; 986 return snd_ac97_bus_free(bus); 987 } 988 989 static int snd_ac97_free(ac97_t *ac97) 990 { 991 if (ac97) { 992 snd_ac97_proc_done(ac97); 993 if (ac97->bus) 994 ac97->bus->codec[ac97->num] = NULL; 995 if (ac97->private_free) 996 ac97->private_free(ac97); 997 kfree(ac97); 998 } 999 return 0; 1000 } 1001 1002 static int snd_ac97_dev_free(snd_device_t *device) 1003 { 1004 ac97_t *ac97 = device->device_data; 1005 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1006 return snd_ac97_free(ac97); 1007 } 1008 1009 static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg) 1010 { 1011 unsigned short val, mask = 0x8000; 1012 1013 if (! snd_ac97_valid_reg(ac97, reg)) 1014 return 0; 1015 1016 switch (reg) { 1017 case AC97_MASTER_TONE: 1018 return ac97->caps & 0x04 ? 1 : 0; 1019 case AC97_HEADPHONE: 1020 return ac97->caps & 0x10 ? 1 : 0; 1021 case AC97_REC_GAIN_MIC: 1022 return ac97->caps & 0x01 ? 1 : 0; 1023 case AC97_3D_CONTROL: 1024 if (ac97->caps & 0x7c00) { 1025 val = snd_ac97_read(ac97, reg); 1026 /* if nonzero - fixed and we can't set it */ 1027 return val == 0; 1028 } 1029 return 0; 1030 case AC97_CENTER_LFE_MASTER: /* center */ 1031 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1032 return 0; 1033 break; 1034 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1035 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1036 return 0; 1037 reg = AC97_CENTER_LFE_MASTER; 1038 mask = 0x0080; 1039 break; 1040 case AC97_SURROUND_MASTER: 1041 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1042 return 0; 1043 break; 1044 } 1045 1046 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed)) 1047 return 1; /* allow without check */ 1048 1049 val = snd_ac97_read(ac97, reg); 1050 if (!(val & mask)) { 1051 /* nothing seems to be here - mute flag is not set */ 1052 /* try another test */ 1053 snd_ac97_write_cache(ac97, reg, val | mask); 1054 val = snd_ac97_read(ac97, reg); 1055 if (!(val & mask)) 1056 return 0; /* nothing here */ 1057 } 1058 return 1; /* success, useable */ 1059 } 1060 1061 static void check_volume_resolution(ac97_t *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1062 { 1063 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1064 unsigned char max[3] = { 63, 31, 15 }; 1065 int i; 1066 1067 *lo_max = *hi_max = 0; 1068 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1069 unsigned short val; 1070 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); 1071 /* Do the read twice due to buffers on some ac97 codecs. 1072 * e.g. The STAC9704 returns exactly what you wrote the the register 1073 * if you read it immediately. This causes the detect routine to fail. 1074 */ 1075 val = snd_ac97_read(ac97, reg); 1076 val = snd_ac97_read(ac97, reg); 1077 if (! *lo_max && (val & 0x7f) == cbit[i]) 1078 *lo_max = max[i]; 1079 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1080 *hi_max = max[i]; 1081 if (*lo_max && *hi_max) 1082 break; 1083 } 1084 } 1085 1086 int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit) 1087 { 1088 unsigned short mask, val, orig, res; 1089 1090 mask = 1 << bit; 1091 orig = snd_ac97_read(ac97, reg); 1092 val = orig ^ mask; 1093 snd_ac97_write(ac97, reg, val); 1094 res = snd_ac97_read(ac97, reg); 1095 snd_ac97_write_cache(ac97, reg, orig); 1096 return res == val; 1097 } 1098 1099 /* check the volume resolution of center/lfe */ 1100 static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max) 1101 { 1102 unsigned short val, val1; 1103 1104 *max = 63; 1105 val = 0x8080 | (0x20 << shift); 1106 snd_ac97_write(ac97, reg, val); 1107 val1 = snd_ac97_read(ac97, reg); 1108 if (val != val1) { 1109 *max = 31; 1110 } 1111 /* reset volume to zero */ 1112 snd_ac97_write_cache(ac97, reg, 0x8080); 1113 } 1114 1115 static inline int printable(unsigned int x) 1116 { 1117 x &= 0xff; 1118 if (x < ' ' || x >= 0x71) { 1119 if (x <= 0x89) 1120 return x - 0x71 + 'A'; 1121 return '?'; 1122 } 1123 return x; 1124 } 1125 1126 snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97) 1127 { 1128 snd_kcontrol_new_t template; 1129 memcpy(&template, _template, sizeof(template)); 1130 template.index = ac97->num; 1131 return snd_ctl_new1(&template, ac97); 1132 } 1133 1134 /* 1135 * create mute switch(es) for normal stereo controls 1136 */ 1137 static int snd_ac97_cmute_new_stereo(snd_card_t *card, char *name, int reg, int check_stereo, ac97_t *ac97) 1138 { 1139 snd_kcontrol_t *kctl; 1140 int err; 1141 unsigned short val, val1, mute_mask; 1142 1143 if (! snd_ac97_valid_reg(ac97, reg)) 1144 return 0; 1145 1146 mute_mask = 0x8000; 1147 val = snd_ac97_read(ac97, reg); 1148 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1149 /* check whether both mute bits work */ 1150 val1 = val | 0x8080; 1151 snd_ac97_write(ac97, reg, val1); 1152 if (val1 == snd_ac97_read(ac97, reg)) 1153 mute_mask = 0x8080; 1154 } 1155 if (mute_mask == 0x8080) { 1156 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1157 tmp.index = ac97->num; 1158 kctl = snd_ctl_new1(&tmp, ac97); 1159 } else { 1160 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1161 tmp.index = ac97->num; 1162 kctl = snd_ctl_new1(&tmp, ac97); 1163 } 1164 err = snd_ctl_add(card, kctl); 1165 if (err < 0) 1166 return err; 1167 /* mute as default */ 1168 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1169 return 0; 1170 } 1171 1172 /* 1173 * create a volume for normal stereo/mono controls 1174 */ 1175 static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int lo_max, 1176 unsigned int hi_max, ac97_t *ac97) 1177 { 1178 int err; 1179 snd_kcontrol_t *kctl; 1180 1181 if (! snd_ac97_valid_reg(ac97, reg)) 1182 return 0; 1183 if (hi_max) { 1184 /* invert */ 1185 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1186 tmp.index = ac97->num; 1187 kctl = snd_ctl_new1(&tmp, ac97); 1188 } else { 1189 /* invert */ 1190 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1191 tmp.index = ac97->num; 1192 kctl = snd_ctl_new1(&tmp, ac97); 1193 } 1194 err = snd_ctl_add(card, kctl); 1195 if (err < 0) 1196 return err; 1197 snd_ac97_write_cache(ac97, reg, 1198 (snd_ac97_read(ac97, reg) & 0x8080) | 1199 lo_max | (hi_max << 8)); 1200 return 0; 1201 } 1202 1203 /* 1204 * create a mute-switch and a volume for normal stereo/mono controls 1205 */ 1206 static int snd_ac97_cmix_new_stereo(snd_card_t *card, const char *pfx, int reg, int check_stereo, ac97_t *ac97) 1207 { 1208 int err; 1209 char name[44]; 1210 unsigned char lo_max, hi_max; 1211 1212 if (! snd_ac97_valid_reg(ac97, reg)) 1213 return 0; 1214 1215 if (snd_ac97_try_bit(ac97, reg, 15)) { 1216 sprintf(name, "%s Switch", pfx); 1217 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0) 1218 return err; 1219 } 1220 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1221 if (lo_max) { 1222 sprintf(name, "%s Volume", pfx); 1223 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1224 return err; 1225 } 1226 return 0; 1227 } 1228 1229 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97) 1230 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97) 1231 1232 static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97); 1233 1234 static int snd_ac97_mixer_build(ac97_t * ac97) 1235 { 1236 snd_card_t *card = ac97->bus->card; 1237 snd_kcontrol_t *kctl; 1238 int err; 1239 unsigned int idx; 1240 unsigned char max; 1241 1242 /* build master controls */ 1243 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1244 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1245 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1246 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97); 1247 else 1248 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97); 1249 if (err < 0) 1250 return err; 1251 } 1252 1253 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; 1254 1255 /* build center controls */ 1256 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) { 1257 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1258 return err; 1259 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1260 return err; 1261 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1262 kctl->private_value &= ~(0xff << 16); 1263 kctl->private_value |= (int)max << 16; 1264 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1265 } 1266 1267 /* build LFE controls */ 1268 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) { 1269 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1270 return err; 1271 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1272 return err; 1273 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &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 << 8); 1277 } 1278 1279 /* build surround controls */ 1280 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) { 1281 /* Surround Master (0x38) is with stereo mutes */ 1282 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0) 1283 return err; 1284 } 1285 1286 /* build headphone controls */ 1287 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1288 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0) 1289 return err; 1290 } 1291 1292 /* build master mono controls */ 1293 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1294 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0) 1295 return err; 1296 } 1297 1298 /* build master tone controls */ 1299 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1300 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1301 for (idx = 0; idx < 2; idx++) { 1302 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1303 return err; 1304 if (ac97->id == AC97_ID_YMF753) { 1305 kctl->private_value &= ~(0xff << 16); 1306 kctl->private_value |= 7 << 16; 1307 } 1308 } 1309 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1310 } 1311 } 1312 1313 /* build PC Speaker controls */ 1314 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1315 ((ac97->flags & AC97_HAS_PC_BEEP) || 1316 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1317 for (idx = 0; idx < 2; idx++) 1318 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1319 return err; 1320 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 1321 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); 1322 } 1323 1324 /* build Phone controls */ 1325 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1326 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1327 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0) 1328 return err; 1329 } 1330 } 1331 1332 /* build MIC controls */ 1333 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1334 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1335 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0) 1336 return err; 1337 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1338 return err; 1339 } 1340 } 1341 1342 /* build Line controls */ 1343 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1344 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0) 1345 return err; 1346 } 1347 1348 /* build CD controls */ 1349 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1350 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1351 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0) 1352 return err; 1353 } 1354 } 1355 1356 /* build Video controls */ 1357 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1358 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1359 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0) 1360 return err; 1361 } 1362 } 1363 1364 /* build Aux controls */ 1365 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1366 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0) 1367 return err; 1368 } 1369 1370 /* build PCM controls */ 1371 if (ac97->flags & AC97_AD_MULTI) { 1372 unsigned short init_val; 1373 if (ac97->flags & AC97_STEREO_MUTES) 1374 init_val = 0x9f9f; 1375 else 1376 init_val = 0x9f1f; 1377 for (idx = 0; idx < 2; idx++) 1378 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1379 return err; 1380 ac97->spec.ad18xx.pcmreg[0] = init_val; 1381 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1382 for (idx = 0; idx < 2; idx++) 1383 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1384 return err; 1385 ac97->spec.ad18xx.pcmreg[1] = init_val; 1386 } 1387 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1388 for (idx = 0; idx < 2; idx++) 1389 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1390 return err; 1391 for (idx = 0; idx < 2; idx++) 1392 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1393 return err; 1394 ac97->spec.ad18xx.pcmreg[2] = init_val; 1395 } 1396 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1397 } else { 1398 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1399 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1400 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97); 1401 else 1402 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97); 1403 if (err < 0) 1404 return err; 1405 } 1406 } 1407 1408 /* build Capture controls */ 1409 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1410 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1411 return err; 1412 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1413 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0) 1414 return err; 1415 } 1416 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1417 return err; 1418 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1419 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1420 } 1421 /* build MIC Capture controls */ 1422 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1423 for (idx = 0; idx < 2; idx++) 1424 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1425 return err; 1426 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1427 } 1428 1429 /* build PCM out path & mute control */ 1430 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1431 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1432 return err; 1433 } 1434 1435 /* build Simulated Stereo Enhancement control */ 1436 if (ac97->caps & 0x0008) { 1437 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1438 return err; 1439 } 1440 1441 /* build 3D Stereo Enhancement control */ 1442 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1443 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1444 return err; 1445 } 1446 1447 /* build Loudness control */ 1448 if (ac97->caps & 0x0020) { 1449 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1450 return err; 1451 } 1452 1453 /* build Mono output select control */ 1454 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1455 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1456 return err; 1457 } 1458 1459 /* build Mic select control */ 1460 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1461 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1462 return err; 1463 } 1464 1465 /* build ADC/DAC loopback control */ 1466 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1467 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1468 return err; 1469 } 1470 1471 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1472 1473 /* build 3D controls */ 1474 if (ac97->build_ops->build_3d) { 1475 ac97->build_ops->build_3d(ac97); 1476 } else { 1477 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1478 unsigned short val; 1479 val = 0x0707; 1480 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1481 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1482 val = val == 0x0606; 1483 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1484 return err; 1485 if (val) 1486 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1487 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1488 return err; 1489 if (val) 1490 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1491 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1492 } 1493 } 1494 1495 /* build S/PDIF controls */ 1496 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1497 if (ac97->build_ops->build_spdif) { 1498 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1499 return err; 1500 } else { 1501 for (idx = 0; idx < 5; idx++) 1502 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1503 return err; 1504 if (ac97->build_ops->build_post_spdif) { 1505 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1506 return err; 1507 } 1508 /* set default PCM S/PDIF params */ 1509 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1510 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1511 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1512 } 1513 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1514 } 1515 1516 /* build chip specific controls */ 1517 if (ac97->build_ops->build_specific) 1518 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1519 return err; 1520 1521 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1522 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1523 if (! kctl) 1524 return -ENOMEM; 1525 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1526 set_inv_eapd(ac97, kctl); 1527 if ((err = snd_ctl_add(card, kctl)) < 0) 1528 return err; 1529 } 1530 1531 return 0; 1532 } 1533 1534 static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97) 1535 { 1536 int err, idx; 1537 1538 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG)); 1539 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1540 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1541 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1542 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1543 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1544 1545 /* build modem switches */ 1546 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1547 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1548 return err; 1549 1550 /* build chip specific controls */ 1551 if (ac97->build_ops->build_specific) 1552 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1553 return err; 1554 1555 return 0; 1556 } 1557 1558 static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate) 1559 { 1560 unsigned short val; 1561 unsigned int tmp; 1562 1563 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1564 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1565 if (shadow_reg) 1566 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1567 val = snd_ac97_read(ac97, reg); 1568 return val == (tmp & 0xffff); 1569 } 1570 1571 static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result) 1572 { 1573 unsigned int result = 0; 1574 unsigned short saved; 1575 1576 if (ac97->bus->no_vra) { 1577 *r_result = SNDRV_PCM_RATE_48000; 1578 if ((ac97->flags & AC97_DOUBLE_RATE) && 1579 reg == AC97_PCM_FRONT_DAC_RATE) 1580 *r_result |= SNDRV_PCM_RATE_96000; 1581 return; 1582 } 1583 1584 saved = snd_ac97_read(ac97, reg); 1585 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1586 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1587 AC97_EA_DRA, 0); 1588 /* test a non-standard rate */ 1589 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1590 result |= SNDRV_PCM_RATE_CONTINUOUS; 1591 /* let's try to obtain standard rates */ 1592 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1593 result |= SNDRV_PCM_RATE_8000; 1594 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1595 result |= SNDRV_PCM_RATE_11025; 1596 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1597 result |= SNDRV_PCM_RATE_16000; 1598 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1599 result |= SNDRV_PCM_RATE_22050; 1600 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1601 result |= SNDRV_PCM_RATE_32000; 1602 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1603 result |= SNDRV_PCM_RATE_44100; 1604 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1605 result |= SNDRV_PCM_RATE_48000; 1606 if ((ac97->flags & AC97_DOUBLE_RATE) && 1607 reg == AC97_PCM_FRONT_DAC_RATE) { 1608 /* test standard double rates */ 1609 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1610 AC97_EA_DRA, AC97_EA_DRA); 1611 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1612 result |= SNDRV_PCM_RATE_64000; 1613 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1614 result |= SNDRV_PCM_RATE_88200; 1615 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1616 result |= SNDRV_PCM_RATE_96000; 1617 /* some codecs don't support variable double rates */ 1618 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1619 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1620 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1621 AC97_EA_DRA, 0); 1622 } 1623 /* restore the default value */ 1624 snd_ac97_write_cache(ac97, reg, saved); 1625 if (shadow_reg) 1626 snd_ac97_write_cache(ac97, shadow_reg, saved); 1627 *r_result = result; 1628 } 1629 1630 /* check AC97_SPDIF register to accept which sample rates */ 1631 static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97) 1632 { 1633 unsigned int result = 0; 1634 int i; 1635 static unsigned short ctl_bits[] = { 1636 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1637 }; 1638 static unsigned int rate_bits[] = { 1639 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1640 }; 1641 1642 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1643 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1644 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1645 result |= rate_bits[i]; 1646 } 1647 return result; 1648 } 1649 1650 /* look for the codec id table matching with the given id */ 1651 static const ac97_codec_id_t *look_for_codec_id(const ac97_codec_id_t *table, 1652 unsigned int id) 1653 { 1654 const ac97_codec_id_t *pid; 1655 1656 for (pid = table; pid->id; pid++) 1657 if (pid->id == (id & pid->mask)) 1658 return pid; 1659 return NULL; 1660 } 1661 1662 void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem) 1663 { 1664 const ac97_codec_id_t *pid; 1665 1666 sprintf(name, "0x%x %c%c%c", id, 1667 printable(id >> 24), 1668 printable(id >> 16), 1669 printable(id >> 8)); 1670 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1671 if (! pid) 1672 return; 1673 1674 strcpy(name, pid->name); 1675 if (ac97 && pid->patch) { 1676 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1677 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1678 pid->patch(ac97); 1679 } 1680 1681 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1682 if (pid) { 1683 strcat(name, " "); 1684 strcat(name, pid->name); 1685 if (pid->mask != 0xffffffff) 1686 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 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 } else 1693 sprintf(name + strlen(name), " id %x", id & 0xff); 1694 } 1695 1696 /** 1697 * snd_ac97_get_short_name - retrieve codec name 1698 * @ac97: the codec instance 1699 * 1700 * Returns the short identifying name of the codec. 1701 */ 1702 const char *snd_ac97_get_short_name(ac97_t *ac97) 1703 { 1704 const ac97_codec_id_t *pid; 1705 1706 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1707 if (pid->id == (ac97->id & pid->mask)) 1708 return pid->name; 1709 return "unknown codec"; 1710 } 1711 1712 1713 /* wait for a while until registers are accessible after RESET 1714 * return 0 if ok, negative not ready 1715 */ 1716 static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem) 1717 { 1718 unsigned long end_time; 1719 unsigned short val; 1720 1721 end_time = jiffies + timeout; 1722 do { 1723 1724 /* use preliminary reads to settle the communication */ 1725 snd_ac97_read(ac97, AC97_RESET); 1726 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1727 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1728 /* modem? */ 1729 if (with_modem) { 1730 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1731 if (val != 0xffff && (val & 1) != 0) 1732 return 0; 1733 } 1734 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1735 /* probably only Xbox issue - all registers are read as zero */ 1736 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1737 if (val != 0 && val != 0xffff) 1738 return 0; 1739 } else { 1740 /* because the PCM or MASTER volume registers can be modified, 1741 * the REC_GAIN register is used for tests 1742 */ 1743 /* test if we can write to the record gain volume register */ 1744 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1745 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1746 return 0; 1747 } 1748 schedule_timeout_uninterruptible(1); 1749 } while (time_after_eq(end_time, jiffies)); 1750 return -ENODEV; 1751 } 1752 1753 /** 1754 * snd_ac97_bus - create an AC97 bus component 1755 * @card: the card instance 1756 * @num: the bus number 1757 * @ops: the bus callbacks table 1758 * @private_data: private data pointer for the new instance 1759 * @rbus: the pointer to store the new AC97 bus instance. 1760 * 1761 * Creates an AC97 bus component. An ac97_bus_t instance is newly 1762 * allocated and initialized. 1763 * 1764 * The ops table must include valid callbacks (at least read and 1765 * write). The other callbacks, wait and reset, are not mandatory. 1766 * 1767 * The clock is set to 48000. If another clock is needed, set 1768 * (*rbus)->clock manually. 1769 * 1770 * The AC97 bus instance is registered as a low-level device, so you don't 1771 * have to release it manually. 1772 * 1773 * Returns zero if successful, or a negative error code on failure. 1774 */ 1775 int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops, 1776 void *private_data, ac97_bus_t **rbus) 1777 { 1778 int err; 1779 ac97_bus_t *bus; 1780 static snd_device_ops_t dev_ops = { 1781 .dev_free = snd_ac97_bus_dev_free, 1782 }; 1783 1784 snd_assert(card != NULL, return -EINVAL); 1785 snd_assert(rbus != NULL, return -EINVAL); 1786 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1787 if (bus == NULL) 1788 return -ENOMEM; 1789 bus->card = card; 1790 bus->num = num; 1791 bus->ops = ops; 1792 bus->private_data = private_data; 1793 bus->clock = 48000; 1794 spin_lock_init(&bus->bus_lock); 1795 snd_ac97_bus_proc_init(bus); 1796 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1797 snd_ac97_bus_free(bus); 1798 return err; 1799 } 1800 *rbus = bus; 1801 return 0; 1802 } 1803 1804 /* stop no dev release warning */ 1805 static void ac97_device_release(struct device * dev) 1806 { 1807 } 1808 1809 /* register ac97 codec to bus */ 1810 static int snd_ac97_dev_register(snd_device_t *device) 1811 { 1812 ac97_t *ac97 = device->device_data; 1813 int err; 1814 1815 ac97->dev.bus = &ac97_bus_type; 1816 ac97->dev.parent = ac97->bus->card->dev; 1817 ac97->dev.release = ac97_device_release; 1818 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "card%d-%d", ac97->bus->card->number, ac97->num); 1819 if ((err = device_register(&ac97->dev)) < 0) { 1820 snd_printk(KERN_ERR "Can't register ac97 bus\n"); 1821 ac97->dev.bus = NULL; 1822 return err; 1823 } 1824 return 0; 1825 } 1826 1827 /* unregister ac97 codec */ 1828 static int snd_ac97_dev_unregister(snd_device_t *device) 1829 { 1830 ac97_t *ac97 = device->device_data; 1831 if (ac97->dev.bus) 1832 device_unregister(&ac97->dev); 1833 return snd_ac97_free(ac97); 1834 } 1835 1836 /* build_ops to do nothing */ 1837 static struct snd_ac97_build_ops null_build_ops; 1838 1839 /** 1840 * snd_ac97_mixer - create an Codec97 component 1841 * @bus: the AC97 bus which codec is attached to 1842 * @template: the template of ac97, including index, callbacks and 1843 * the private data. 1844 * @rac97: the pointer to store the new ac97 instance. 1845 * 1846 * Creates an Codec97 component. An ac97_t instance is newly 1847 * allocated and initialized from the template. The codec 1848 * is then initialized by the standard procedure. 1849 * 1850 * The template must include the codec number (num) and address (addr), 1851 * and the private data (private_data). 1852 * 1853 * The ac97 instance is registered as a low-level device, so you don't 1854 * have to release it manually. 1855 * 1856 * Returns zero if successful, or a negative error code on failure. 1857 */ 1858 int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97) 1859 { 1860 int err; 1861 ac97_t *ac97; 1862 snd_card_t *card; 1863 char name[64]; 1864 unsigned long end_time; 1865 unsigned int reg; 1866 const ac97_codec_id_t *pid; 1867 static snd_device_ops_t ops = { 1868 .dev_free = snd_ac97_dev_free, 1869 .dev_register = snd_ac97_dev_register, 1870 .dev_unregister = snd_ac97_dev_unregister, 1871 }; 1872 1873 snd_assert(rac97 != NULL, return -EINVAL); 1874 *rac97 = NULL; 1875 snd_assert(bus != NULL && template != NULL, return -EINVAL); 1876 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL); 1877 1878 card = bus->card; 1879 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 1880 if (ac97 == NULL) 1881 return -ENOMEM; 1882 ac97->private_data = template->private_data; 1883 ac97->private_free = template->private_free; 1884 ac97->bus = bus; 1885 ac97->pci = template->pci; 1886 ac97->num = template->num; 1887 ac97->addr = template->addr; 1888 ac97->scaps = template->scaps; 1889 ac97->limited_regs = template->limited_regs; 1890 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed)); 1891 bus->codec[ac97->num] = ac97; 1892 init_MUTEX(&ac97->reg_mutex); 1893 init_MUTEX(&ac97->page_mutex); 1894 1895 if (ac97->pci) { 1896 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 1897 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 1898 } 1899 if (bus->ops->reset) { 1900 bus->ops->reset(ac97); 1901 goto __access_ok; 1902 } 1903 1904 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 1905 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 1906 if (ac97->id && ac97->id != (unsigned int)-1) { 1907 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 1908 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 1909 goto __access_ok; 1910 } 1911 1912 /* reset to defaults */ 1913 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 1914 snd_ac97_write(ac97, AC97_RESET, 0); 1915 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 1916 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 1917 if (bus->ops->wait) 1918 bus->ops->wait(ac97); 1919 else { 1920 udelay(50); 1921 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 1922 err = ac97_reset_wait(ac97, HZ/2, 1); 1923 else { 1924 err = ac97_reset_wait(ac97, HZ/2, 0); 1925 if (err < 0) 1926 err = ac97_reset_wait(ac97, HZ/2, 1); 1927 } 1928 if (err < 0) { 1929 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); 1930 /* proceed anyway - it's often non-critical */ 1931 } 1932 } 1933 __access_ok: 1934 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 1935 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 1936 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 1937 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 1938 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); 1939 snd_ac97_free(ac97); 1940 return -EIO; 1941 } 1942 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 1943 if (pid) 1944 ac97->flags |= pid->flags; 1945 1946 /* test for AC'97 */ 1947 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 1948 /* test if we can write to the record gain volume register */ 1949 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 1950 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 1951 ac97->scaps |= AC97_SCAP_AUDIO; 1952 } 1953 if (ac97->scaps & AC97_SCAP_AUDIO) { 1954 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 1955 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 1956 if (ac97->ext_id == 0xffff) /* invalid combination */ 1957 ac97->ext_id = 0; 1958 } 1959 1960 /* test for MC'97 */ 1961 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 1962 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1963 if (ac97->ext_mid == 0xffff) /* invalid combination */ 1964 ac97->ext_mid = 0; 1965 if (ac97->ext_mid & 1) 1966 ac97->scaps |= AC97_SCAP_MODEM; 1967 } 1968 1969 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 1970 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 1971 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); 1972 snd_ac97_free(ac97); 1973 return -EACCES; 1974 } 1975 1976 if (bus->ops->reset) // FIXME: always skipping? 1977 goto __ready_ok; 1978 1979 /* FIXME: add powerdown control */ 1980 if (ac97_is_audio(ac97)) { 1981 /* nothing should be in powerdown mode */ 1982 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 1983 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 1984 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 1985 udelay(100); 1986 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 1987 } 1988 /* nothing should be in powerdown mode */ 1989 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 1990 end_time = jiffies + (HZ / 10); 1991 do { 1992 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 1993 goto __ready_ok; 1994 schedule_timeout_uninterruptible(1); 1995 } while (time_after_eq(end_time, jiffies)); 1996 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); 1997 } 1998 1999 /* FIXME: add powerdown control */ 2000 if (ac97_is_modem(ac97)) { 2001 unsigned char tmp; 2002 2003 /* nothing should be in powerdown mode */ 2004 /* note: it's important to set the rate at first */ 2005 tmp = AC97_MEA_GPIO; 2006 if (ac97->ext_mid & AC97_MEI_LINE1) { 2007 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2008 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2009 } 2010 if (ac97->ext_mid & AC97_MEI_LINE2) { 2011 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2012 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2013 } 2014 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2015 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2016 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2017 } 2018 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2019 udelay(100); 2020 /* nothing should be in powerdown mode */ 2021 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2022 end_time = jiffies + (HZ / 10); 2023 do { 2024 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2025 goto __ready_ok; 2026 schedule_timeout_uninterruptible(1); 2027 } while (time_after_eq(end_time, jiffies)); 2028 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2029 } 2030 2031 __ready_ok: 2032 if (ac97_is_audio(ac97)) 2033 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2034 else 2035 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2036 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2037 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2038 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2039 if (! bus->no_vra) 2040 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2041 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2042 } 2043 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2044 /* Intel controllers require double rate data to be put in 2045 * slots 7+8, so let's hope the codec supports it. */ 2046 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2047 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2048 ac97->flags |= AC97_DOUBLE_RATE; 2049 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2050 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2051 } 2052 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2053 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2054 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2055 } else { 2056 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2057 if (ac97->flags & AC97_DOUBLE_RATE) 2058 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2059 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2060 } 2061 if (ac97->ext_id & AC97_EI_SPDIF) { 2062 /* codec specific code (patch) should override these values */ 2063 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2064 } 2065 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2066 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2067 } else { 2068 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2069 } 2070 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2071 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2072 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2073 } 2074 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2075 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2076 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2077 } 2078 /* additional initializations */ 2079 if (bus->ops->init) 2080 bus->ops->init(ac97); 2081 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2082 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2083 if (! ac97->build_ops) 2084 ac97->build_ops = &null_build_ops; 2085 2086 if (ac97_is_audio(ac97)) { 2087 char comp[16]; 2088 if (card->mixername[0] == '\0') { 2089 strcpy(card->mixername, name); 2090 } else { 2091 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2092 strcat(card->mixername, ","); 2093 strcat(card->mixername, name); 2094 } 2095 } 2096 sprintf(comp, "AC97a:%08x", ac97->id); 2097 if ((err = snd_component_add(card, comp)) < 0) { 2098 snd_ac97_free(ac97); 2099 return err; 2100 } 2101 if (snd_ac97_mixer_build(ac97) < 0) { 2102 snd_ac97_free(ac97); 2103 return -ENOMEM; 2104 } 2105 } 2106 if (ac97_is_modem(ac97)) { 2107 char comp[16]; 2108 if (card->mixername[0] == '\0') { 2109 strcpy(card->mixername, name); 2110 } else { 2111 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2112 strcat(card->mixername, ","); 2113 strcat(card->mixername, name); 2114 } 2115 } 2116 sprintf(comp, "AC97m:%08x", ac97->id); 2117 if ((err = snd_component_add(card, comp)) < 0) { 2118 snd_ac97_free(ac97); 2119 return err; 2120 } 2121 if (snd_ac97_modem_build(card, ac97) < 0) { 2122 snd_ac97_free(ac97); 2123 return -ENOMEM; 2124 } 2125 } 2126 /* make sure the proper powerdown bits are cleared */ 2127 if (ac97->scaps && ac97_is_audio(ac97)) { 2128 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2129 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2130 reg &= ~AC97_EA_PRJ; 2131 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2132 reg &= ~(AC97_EA_PRI | AC97_EA_PRK); 2133 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2134 } 2135 snd_ac97_proc_init(ac97); 2136 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2137 snd_ac97_free(ac97); 2138 return err; 2139 } 2140 *rac97 = ac97; 2141 return 0; 2142 } 2143 2144 2145 /* 2146 * Power down the chip. 2147 * 2148 * MASTER and HEADPHONE registers are muted but the register cache values 2149 * are not changed, so that the values can be restored in snd_ac97_resume(). 2150 */ 2151 static void snd_ac97_powerdown(ac97_t *ac97) 2152 { 2153 unsigned short power; 2154 2155 if (ac97_is_audio(ac97)) { 2156 /* some codecs have stereo mute bits */ 2157 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2158 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2159 } 2160 2161 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */ 2162 power |= 0x4000; /* Headphone amplifier powerdown */ 2163 power |= 0x0300; /* ADC & DAC powerdown */ 2164 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2165 udelay(100); 2166 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */ 2167 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2168 udelay(100); 2169 #if 0 2170 /* FIXME: this causes click noises on some boards at resume */ 2171 power |= 0x3800; /* AC-link powerdown, internal Clk disable */ 2172 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2173 #endif 2174 } 2175 2176 2177 #ifdef CONFIG_PM 2178 /** 2179 * snd_ac97_suspend - General suspend function for AC97 codec 2180 * @ac97: the ac97 instance 2181 * 2182 * Suspends the codec, power down the chip. 2183 */ 2184 void snd_ac97_suspend(ac97_t *ac97) 2185 { 2186 if (ac97->build_ops->suspend) 2187 ac97->build_ops->suspend(ac97); 2188 snd_ac97_powerdown(ac97); 2189 } 2190 2191 /* 2192 * restore ac97 status 2193 */ 2194 void snd_ac97_restore_status(ac97_t *ac97) 2195 { 2196 int i; 2197 2198 for (i = 2; i < 0x7c ; i += 2) { 2199 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2200 continue; 2201 /* restore only accessible registers 2202 * some chip (e.g. nm256) may hang up when unsupported registers 2203 * are accessed..! 2204 */ 2205 if (test_bit(i, ac97->reg_accessed)) { 2206 snd_ac97_write(ac97, i, ac97->regs[i]); 2207 snd_ac97_read(ac97, i); 2208 } 2209 } 2210 } 2211 2212 /* 2213 * restore IEC958 status 2214 */ 2215 void snd_ac97_restore_iec958(ac97_t *ac97) 2216 { 2217 if (ac97->ext_id & AC97_EI_SPDIF) { 2218 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2219 /* reset spdif status */ 2220 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2221 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2222 if (ac97->flags & AC97_CS_SPDIF) 2223 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2224 else 2225 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2226 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2227 } 2228 } 2229 } 2230 2231 /** 2232 * snd_ac97_resume - General resume function for AC97 codec 2233 * @ac97: the ac97 instance 2234 * 2235 * Do the standard resume procedure, power up and restoring the 2236 * old register values. 2237 */ 2238 void snd_ac97_resume(ac97_t *ac97) 2239 { 2240 unsigned long end_time; 2241 2242 if (ac97->bus->ops->reset) { 2243 ac97->bus->ops->reset(ac97); 2244 goto __reset_ready; 2245 } 2246 2247 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2248 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2249 snd_ac97_write(ac97, AC97_RESET, 0); 2250 udelay(100); 2251 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2252 } 2253 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2254 2255 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2256 if (ac97_is_audio(ac97)) { 2257 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2258 end_time = jiffies + msecs_to_jiffies(100); 2259 do { 2260 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2261 break; 2262 schedule_timeout_uninterruptible(1); 2263 } while (time_after_eq(end_time, jiffies)); 2264 /* FIXME: extra delay */ 2265 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); 2266 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) 2267 msleep(250); 2268 } else { 2269 end_time = jiffies + msecs_to_jiffies(100); 2270 do { 2271 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2272 if (val != 0xffff && (val & 1) != 0) 2273 break; 2274 schedule_timeout_uninterruptible(1); 2275 } while (time_after_eq(end_time, jiffies)); 2276 } 2277 __reset_ready: 2278 2279 if (ac97->bus->ops->init) 2280 ac97->bus->ops->init(ac97); 2281 2282 if (ac97->build_ops->resume) 2283 ac97->build_ops->resume(ac97); 2284 else { 2285 snd_ac97_restore_status(ac97); 2286 snd_ac97_restore_iec958(ac97); 2287 } 2288 } 2289 #endif 2290 2291 2292 /* 2293 * Hardware tuning 2294 */ 2295 static void set_ctl_name(char *dst, const char *src, const char *suffix) 2296 { 2297 if (suffix) 2298 sprintf(dst, "%s %s", src, suffix); 2299 else 2300 strcpy(dst, src); 2301 } 2302 2303 /* remove the control with the given name and optional suffix */ 2304 int snd_ac97_remove_ctl(ac97_t *ac97, const char *name, const char *suffix) 2305 { 2306 snd_ctl_elem_id_t id; 2307 memset(&id, 0, sizeof(id)); 2308 set_ctl_name(id.name, name, suffix); 2309 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2310 return snd_ctl_remove_id(ac97->bus->card, &id); 2311 } 2312 2313 static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name, const char *suffix) 2314 { 2315 snd_ctl_elem_id_t sid; 2316 memset(&sid, 0, sizeof(sid)); 2317 set_ctl_name(sid.name, name, suffix); 2318 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2319 return snd_ctl_find_id(ac97->bus->card, &sid); 2320 } 2321 2322 /* rename the control with the given name and optional suffix */ 2323 int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const char *suffix) 2324 { 2325 snd_kcontrol_t *kctl = ctl_find(ac97, src, suffix); 2326 if (kctl) { 2327 set_ctl_name(kctl->id.name, dst, suffix); 2328 return 0; 2329 } 2330 return -ENOENT; 2331 } 2332 2333 /* rename both Volume and Switch controls - don't check the return value */ 2334 void snd_ac97_rename_vol_ctl(ac97_t *ac97, const char *src, const char *dst) 2335 { 2336 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2337 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2338 } 2339 2340 /* swap controls */ 2341 int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *suffix) 2342 { 2343 snd_kcontrol_t *kctl1, *kctl2; 2344 kctl1 = ctl_find(ac97, s1, suffix); 2345 kctl2 = ctl_find(ac97, s2, suffix); 2346 if (kctl1 && kctl2) { 2347 set_ctl_name(kctl1->id.name, s2, suffix); 2348 set_ctl_name(kctl2->id.name, s1, suffix); 2349 return 0; 2350 } 2351 return -ENOENT; 2352 } 2353 2354 #if 1 2355 /* bind hp and master controls instead of using only hp control */ 2356 static int bind_hp_volsw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 2357 { 2358 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2359 if (err > 0) { 2360 unsigned long priv_saved = kcontrol->private_value; 2361 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2362 snd_ac97_put_volsw(kcontrol, ucontrol); 2363 kcontrol->private_value = priv_saved; 2364 } 2365 return err; 2366 } 2367 2368 /* ac97 tune: bind Master and Headphone controls */ 2369 static int tune_hp_only(ac97_t *ac97) 2370 { 2371 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2372 snd_kcontrol_t *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2373 if (! msw || ! mvol) 2374 return -ENOENT; 2375 msw->put = bind_hp_volsw_put; 2376 mvol->put = bind_hp_volsw_put; 2377 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2378 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2379 return 0; 2380 } 2381 2382 #else 2383 /* ac97 tune: use Headphone control as master */ 2384 static int tune_hp_only(ac97_t *ac97) 2385 { 2386 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2387 return -ENOENT; 2388 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2389 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2390 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2391 return 0; 2392 } 2393 #endif 2394 2395 /* ac97 tune: swap Headphone and Master controls */ 2396 static int tune_swap_hp(ac97_t *ac97) 2397 { 2398 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2399 return -ENOENT; 2400 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2401 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2402 return 0; 2403 } 2404 2405 /* ac97 tune: swap Surround and Master controls */ 2406 static int tune_swap_surround(ac97_t *ac97) 2407 { 2408 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2409 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2410 return -ENOENT; 2411 return 0; 2412 } 2413 2414 /* ac97 tune: set up mic sharing for AD codecs */ 2415 static int tune_ad_sharing(ac97_t *ac97) 2416 { 2417 unsigned short scfg; 2418 if ((ac97->id & 0xffffff00) != 0x41445300) { 2419 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); 2420 return -EINVAL; 2421 } 2422 /* Turn on OMS bit to route microphone to back panel */ 2423 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2424 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2425 return 0; 2426 } 2427 2428 static const snd_kcontrol_new_t snd_ac97_alc_jack_detect = 2429 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2430 2431 /* ac97 tune: set up ALC jack-select */ 2432 static int tune_alc_jack(ac97_t *ac97) 2433 { 2434 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2435 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2436 return -EINVAL; 2437 } 2438 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2439 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2440 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2441 } 2442 2443 /* ac97 tune: inversed EAPD bit */ 2444 static int tune_inv_eapd(ac97_t *ac97) 2445 { 2446 snd_kcontrol_t *kctl = ctl_find(ac97, "External Amplifier", NULL); 2447 if (! kctl) 2448 return -ENOENT; 2449 set_inv_eapd(ac97, kctl); 2450 return 0; 2451 } 2452 2453 static int master_mute_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 2454 { 2455 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2456 if (err > 0) { 2457 ac97_t *ac97 = snd_kcontrol_chip(kcontrol); 2458 int shift = (kcontrol->private_value >> 8) & 0x0f; 2459 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2460 unsigned short mask; 2461 if (shift != rshift) 2462 mask = 0x8080; 2463 else 2464 mask = 0x8000; 2465 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 2466 (ac97->regs[AC97_MASTER] & mask) == mask ? 2467 0x8000 : 0); 2468 } 2469 return err; 2470 } 2471 2472 /* ac97 tune: EAPD controls mute LED bound with the master mute */ 2473 static int tune_mute_led(ac97_t *ac97) 2474 { 2475 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2476 if (! msw) 2477 return -ENOENT; 2478 msw->put = master_mute_sw_put; 2479 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2480 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ 2481 return 0; 2482 } 2483 2484 struct quirk_table { 2485 const char *name; 2486 int (*func)(ac97_t *); 2487 }; 2488 2489 static struct quirk_table applicable_quirks[] = { 2490 { "none", NULL }, 2491 { "hp_only", tune_hp_only }, 2492 { "swap_hp", tune_swap_hp }, 2493 { "swap_surround", tune_swap_surround }, 2494 { "ad_sharing", tune_ad_sharing }, 2495 { "alc_jack", tune_alc_jack }, 2496 { "inv_eapd", tune_inv_eapd }, 2497 { "mute_led", tune_mute_led }, 2498 }; 2499 2500 /* apply the quirk with the given type */ 2501 static int apply_quirk(ac97_t *ac97, int type) 2502 { 2503 if (type <= 0) 2504 return 0; 2505 else if (type >= ARRAY_SIZE(applicable_quirks)) 2506 return -EINVAL; 2507 if (applicable_quirks[type].func) 2508 return applicable_quirks[type].func(ac97); 2509 return 0; 2510 } 2511 2512 /* apply the quirk with the given name */ 2513 static int apply_quirk_str(ac97_t *ac97, const char *typestr) 2514 { 2515 int i; 2516 struct quirk_table *q; 2517 2518 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2519 q = &applicable_quirks[i]; 2520 if (q->name && ! strcmp(typestr, q->name)) 2521 return apply_quirk(ac97, i); 2522 } 2523 /* for compatibility, accept the numbers, too */ 2524 if (*typestr >= '0' && *typestr <= '9') 2525 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2526 return -EINVAL; 2527 } 2528 2529 /** 2530 * snd_ac97_tune_hardware - tune up the hardware 2531 * @ac97: the ac97 instance 2532 * @quirk: quirk list 2533 * @override: explicit quirk value (overrides the list if non-NULL) 2534 * 2535 * Do some workaround for each pci device, such as renaming of the 2536 * headphone (true line-out) control as "Master". 2537 * The quirk-list must be terminated with a zero-filled entry. 2538 * 2539 * Returns zero if successful, or a negative error code on failure. 2540 */ 2541 2542 int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override) 2543 { 2544 int result; 2545 2546 /* quirk overriden? */ 2547 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2548 result = apply_quirk_str(ac97, override); 2549 if (result < 0) 2550 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); 2551 return result; 2552 } 2553 2554 if (! quirk) 2555 return -EINVAL; 2556 2557 for (; quirk->subvendor; quirk++) { 2558 if (quirk->subvendor != ac97->subsystem_vendor) 2559 continue; 2560 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2561 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2562 if (quirk->codec_id && quirk->codec_id != ac97->id) 2563 continue; 2564 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); 2565 result = apply_quirk(ac97, quirk->type); 2566 if (result < 0) 2567 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); 2568 return result; 2569 } 2570 } 2571 return 0; 2572 } 2573 2574 2575 /* 2576 * Exported symbols 2577 */ 2578 2579 EXPORT_SYMBOL(snd_ac97_write); 2580 EXPORT_SYMBOL(snd_ac97_read); 2581 EXPORT_SYMBOL(snd_ac97_write_cache); 2582 EXPORT_SYMBOL(snd_ac97_update); 2583 EXPORT_SYMBOL(snd_ac97_update_bits); 2584 EXPORT_SYMBOL(snd_ac97_get_short_name); 2585 EXPORT_SYMBOL(snd_ac97_bus); 2586 EXPORT_SYMBOL(snd_ac97_mixer); 2587 EXPORT_SYMBOL(snd_ac97_pcm_assign); 2588 EXPORT_SYMBOL(snd_ac97_pcm_open); 2589 EXPORT_SYMBOL(snd_ac97_pcm_close); 2590 EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules); 2591 EXPORT_SYMBOL(snd_ac97_tune_hardware); 2592 EXPORT_SYMBOL(snd_ac97_set_rate); 2593 #ifdef CONFIG_PM 2594 EXPORT_SYMBOL(snd_ac97_resume); 2595 EXPORT_SYMBOL(snd_ac97_suspend); 2596 #endif 2597 2598 /* 2599 * INIT part 2600 */ 2601 2602 static int __init alsa_ac97_init(void) 2603 { 2604 return 0; 2605 } 2606 2607 static void __exit alsa_ac97_exit(void) 2608 { 2609 } 2610 2611 module_init(alsa_ac97_init) 2612 module_exit(alsa_ac97_exit) 2613