1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 4 * Universal interface for Audio Codec '97 5 * 6 * For more details look to AC '97 component specification revision 2.2 7 * by Intel Corporation (http://developer.intel.com). 8 */ 9 10#include <linux/delay.h> 11#include <linux/init.h> 12#include <linux/slab.h> 13#include <linux/pci.h> 14#include <linux/module.h> 15#include <linux/mutex.h> 16#include <sound/core.h> 17#include <sound/pcm.h> 18#include <sound/tlv.h> 19#include <sound/ac97_codec.h> 20#include <sound/asoundef.h> 21#include <sound/initval.h> 22#include "ac97_id.h" 23 24#include "ac97_patch.c" 25 26MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 27MODULE_DESCRIPTION("Universal interface for Audio Codec '97"); 28MODULE_LICENSE("GPL"); 29 30static bool enable_loopback; 31 32module_param(enable_loopback, bool, 0444); 33MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control"); 34 35#ifdef CONFIG_SND_AC97_POWER_SAVE 36static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT; 37module_param(power_save, int, 0644); 38MODULE_PARM_DESC(power_save, "Automatic power-saving timeout " 39 "(in second, 0 = disable)."); 40#endif 41/* 42 43 */ 44 45struct ac97_codec_id { 46 unsigned int id; 47 unsigned int mask; 48 const char *name; 49 int (*patch)(struct snd_ac97 *ac97); 50 int (*mpatch)(struct snd_ac97 *ac97); 51 unsigned int flags; 52}; 53 54static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = { 55{ 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, 56{ 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, 57{ 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, 58{ 0x414c4700, 0xffffff00, "Realtek", NULL, NULL }, 59/* 60 * This is an _inofficial_ Aztech Labs entry 61 * (value might differ from unknown official Aztech ID), 62 * currently used by the AC97 emulation of the almost-AC97 PCI168 card. 63 */ 64{ 0x415a5400, 0xffffff00, "Aztech Labs (emulated)", NULL, NULL }, 65{ 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, 66{ 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, 67{ 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, 68{ 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, 69{ 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, 70{ 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, 71{ 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, 72{ 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, 73{ 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, 74{ 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, 75{ 0x50534300, 0xffffff00, "Philips", NULL, NULL }, 76{ 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, 77{ 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL }, 78{ 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, 79{ 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, 80{ 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, 81{ 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, 82{ 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, 83{ 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, 84{ 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, 85{ 0, 0, NULL, NULL, NULL } 86}; 87 88static const struct ac97_codec_id snd_ac97_codec_ids[] = { 89{ 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, 90{ 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, 91{ 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, 92{ 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, 93{ 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, 94{ 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, 95{ 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, 96{ 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, 97{ 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, 98{ 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, 99{ 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, 100{ 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, 101{ 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL }, 102{ 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, 103{ 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, 104{ 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, 105{ 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, 106{ 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, 107{ 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, 108{ 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, 109{ 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ 110{ 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ 111{ 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ 112{ 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, 113{ 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, 114{ 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, 115{ 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, 116{ 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, 117{ 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL }, 118{ 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ 119{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, 120{ 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, 121{ 0x415a5401, 0xffffffff, "AZF3328", patch_aztech_azf3328, 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, "CMI9761A", patch_cm9761, NULL }, 126{ 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL }, 127{ 0x434d4983, 0xffffffff, "CMI9761A+", 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{ 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL }, 140{ 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL }, 141{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, 142{ 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028? 143{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, 144{ 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, 145{ 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, 146{ 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? 147{ 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, 148{ 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, 149{ 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) 150{ 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, 151{ 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, 152{ 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk 153{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, 154{ 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix 155{ 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL }, 156{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 157{ 0x53544d02, 0xffffffff, "ST7597", NULL, NULL }, 158{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 159{ 0x54524103, 0xffffffff, "TR28023", NULL, NULL }, 160{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 161{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 162{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 163{ 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL }, 164{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 165{ 0x56494120, 0xfffffff0, "VIA1613", patch_vt1613, NULL }, 166{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 167{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 168{ 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL }, 169{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 170{ 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL }, 171{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 172{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 173{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 174{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 175{ 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL}, 176{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 177{ 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL }, 178{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 179{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 180{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 181{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 182{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 183{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 184{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 185{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 186{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 187{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 188{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 189{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 190{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 191{ 0, 0, NULL, NULL, NULL } 192}; 193 194 195static void update_power_regs(struct snd_ac97 *ac97); 196#ifdef CONFIG_SND_AC97_POWER_SAVE 197#define ac97_is_power_save_mode(ac97) \ 198 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save) 199#else 200#define ac97_is_power_save_mode(ac97) 0 201#endif 202 203#define ac97_err(ac97, fmt, args...) \ 204 dev_err((ac97)->bus->card->dev, fmt, ##args) 205#define ac97_warn(ac97, fmt, args...) \ 206 dev_warn((ac97)->bus->card->dev, fmt, ##args) 207#define ac97_dbg(ac97, fmt, args...) \ 208 dev_dbg((ac97)->bus->card->dev, fmt, ##args) 209 210/* 211 * I/O routines 212 */ 213 214static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 215{ 216 /* filter some registers for buggy codecs */ 217 switch (ac97->id) { 218 case AC97_ID_ST_AC97_ID4: 219 if (reg == 0x08) 220 return 0; 221 fallthrough; 222 case AC97_ID_ST7597: 223 if (reg == 0x22 || reg == 0x7a) 224 return 1; 225 fallthrough; 226 case AC97_ID_AK4540: 227 case AC97_ID_AK4542: 228 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 229 return 1; 230 return 0; 231 case AC97_ID_AD1819: /* AD1819 */ 232 case AC97_ID_AD1881: /* AD1881 */ 233 case AC97_ID_AD1881A: /* AD1881A */ 234 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 235 return 0; 236 return 1; 237 case AC97_ID_AD1885: /* AD1885 */ 238 case AC97_ID_AD1886: /* AD1886 */ 239 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 240 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 241 if (reg == 0x5a) 242 return 1; 243 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 244 return 0; 245 return 1; 246 case AC97_ID_STAC9700: 247 case AC97_ID_STAC9704: 248 case AC97_ID_STAC9705: 249 case AC97_ID_STAC9708: 250 case AC97_ID_STAC9721: 251 case AC97_ID_STAC9744: 252 case AC97_ID_STAC9756: 253 if (reg <= 0x3a || reg >= 0x5a) 254 return 1; 255 return 0; 256 } 257 return 1; 258} 259 260/** 261 * snd_ac97_write - write a value on the given register 262 * @ac97: the ac97 instance 263 * @reg: the register to change 264 * @value: the value to set 265 * 266 * Writes a value on the given register. This will invoke the write 267 * callback directly after the register check. 268 * This function doesn't change the register cache unlike 269 * #snd_ca97_write_cache(), so use this only when you don't want to 270 * reflect the change to the suspend/resume state. 271 */ 272void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 273{ 274 if (!snd_ac97_valid_reg(ac97, reg)) 275 return; 276 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 277 /* Fix H/W bug of ALC100/100P */ 278 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 279 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 280 } 281 ac97->bus->ops->write(ac97, reg, value); 282} 283 284EXPORT_SYMBOL(snd_ac97_write); 285 286/** 287 * snd_ac97_read - read a value from the given register 288 * 289 * @ac97: the ac97 instance 290 * @reg: the register to read 291 * 292 * Reads a value from the given register. This will invoke the read 293 * callback directly after the register check. 294 * 295 * Return: The read value. 296 */ 297unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 298{ 299 if (!snd_ac97_valid_reg(ac97, reg)) 300 return 0; 301 return ac97->bus->ops->read(ac97, reg); 302} 303 304/* read a register - return the cached value if already read */ 305static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 306{ 307 if (! test_bit(reg, ac97->reg_accessed)) { 308 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 309 // set_bit(reg, ac97->reg_accessed); 310 } 311 return ac97->regs[reg]; 312} 313 314EXPORT_SYMBOL(snd_ac97_read); 315 316/** 317 * snd_ac97_write_cache - write a value on the given register and update the cache 318 * @ac97: the ac97 instance 319 * @reg: the register to change 320 * @value: the value to set 321 * 322 * Writes a value on the given register and updates the register 323 * cache. The cached values are used for the cached-read and the 324 * suspend/resume. 325 */ 326void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 327{ 328 if (!snd_ac97_valid_reg(ac97, reg)) 329 return; 330 mutex_lock(&ac97->reg_mutex); 331 ac97->regs[reg] = value; 332 ac97->bus->ops->write(ac97, reg, value); 333 set_bit(reg, ac97->reg_accessed); 334 mutex_unlock(&ac97->reg_mutex); 335} 336 337EXPORT_SYMBOL(snd_ac97_write_cache); 338 339/** 340 * snd_ac97_update - update the value on the given register 341 * @ac97: the ac97 instance 342 * @reg: the register to change 343 * @value: the value to set 344 * 345 * Compares the value with the register cache and updates the value 346 * only when the value is changed. 347 * 348 * Return: 1 if the value is changed, 0 if no change, or a negative 349 * code on failure. 350 */ 351int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 352{ 353 int change; 354 355 if (!snd_ac97_valid_reg(ac97, reg)) 356 return -EINVAL; 357 mutex_lock(&ac97->reg_mutex); 358 change = ac97->regs[reg] != value; 359 if (change) { 360 ac97->regs[reg] = value; 361 ac97->bus->ops->write(ac97, reg, value); 362 } 363 set_bit(reg, ac97->reg_accessed); 364 mutex_unlock(&ac97->reg_mutex); 365 return change; 366} 367 368EXPORT_SYMBOL(snd_ac97_update); 369 370/** 371 * snd_ac97_update_bits - update the bits on the given register 372 * @ac97: the ac97 instance 373 * @reg: the register to change 374 * @mask: the bit-mask to change 375 * @value: the value to set 376 * 377 * Updates the masked-bits on the given register only when the value 378 * is changed. 379 * 380 * Return: 1 if the bits are changed, 0 if no change, or a negative 381 * code on failure. 382 */ 383int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 384{ 385 int change; 386 387 if (!snd_ac97_valid_reg(ac97, reg)) 388 return -EINVAL; 389 mutex_lock(&ac97->reg_mutex); 390 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 391 mutex_unlock(&ac97->reg_mutex); 392 return change; 393} 394 395EXPORT_SYMBOL(snd_ac97_update_bits); 396 397/* no lock version - see snd_ac97_update_bits() */ 398int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 399 unsigned short mask, unsigned short value) 400{ 401 int change; 402 unsigned short old, new; 403 404 old = snd_ac97_read_cache(ac97, reg); 405 new = (old & ~mask) | (value & mask); 406 change = old != new; 407 if (change) { 408 ac97->regs[reg] = new; 409 ac97->bus->ops->write(ac97, reg, new); 410 } 411 set_bit(reg, ac97->reg_accessed); 412 return change; 413} 414 415static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 416{ 417 int change; 418 unsigned short old, new, cfg; 419 420 mutex_lock(&ac97->page_mutex); 421 old = ac97->spec.ad18xx.pcmreg[codec]; 422 new = (old & ~mask) | (value & mask); 423 change = old != new; 424 if (change) { 425 mutex_lock(&ac97->reg_mutex); 426 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 427 ac97->spec.ad18xx.pcmreg[codec] = new; 428 /* select single codec */ 429 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 430 (cfg & ~0x7000) | 431 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 432 /* update PCM bits */ 433 ac97->bus->ops->write(ac97, AC97_PCM, new); 434 /* select all codecs */ 435 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 436 cfg | 0x7000); 437 mutex_unlock(&ac97->reg_mutex); 438 } 439 mutex_unlock(&ac97->page_mutex); 440 return change; 441} 442 443/* 444 * Controls 445 */ 446 447static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, 448 struct snd_ctl_elem_info *uinfo) 449{ 450 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 451 452 return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2, 453 e->mask, e->texts); 454} 455 456static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, 457 struct snd_ctl_elem_value *ucontrol) 458{ 459 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 460 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 461 unsigned short val, bitmask; 462 463 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 464 ; 465 val = snd_ac97_read_cache(ac97, e->reg); 466 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 467 if (e->shift_l != e->shift_r) 468 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 469 470 return 0; 471} 472 473static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, 474 struct snd_ctl_elem_value *ucontrol) 475{ 476 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 477 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 478 unsigned short val; 479 unsigned short mask, bitmask; 480 481 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 482 ; 483 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 484 return -EINVAL; 485 val = ucontrol->value.enumerated.item[0] << e->shift_l; 486 mask = (bitmask - 1) << e->shift_l; 487 if (e->shift_l != e->shift_r) { 488 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 489 return -EINVAL; 490 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 491 mask |= (bitmask - 1) << e->shift_r; 492 } 493 return snd_ac97_update_bits(ac97, e->reg, mask, val); 494} 495 496/* save/restore ac97 v2.3 paging */ 497static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 498{ 499 int page_save = -1; 500 if ((kcontrol->private_value & (1<<25)) && 501 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 502 (reg >= 0x60 && reg < 0x70)) { 503 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 504 mutex_lock(&ac97->page_mutex); /* lock paging */ 505 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 506 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 507 } 508 return page_save; 509} 510 511static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 512{ 513 if (page_save >= 0) { 514 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 515 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 516 } 517} 518 519/* volume and switch controls */ 520static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, 521 struct snd_ctl_elem_info *uinfo) 522{ 523 int mask = (kcontrol->private_value >> 16) & 0xff; 524 int shift = (kcontrol->private_value >> 8) & 0x0f; 525 int rshift = (kcontrol->private_value >> 12) & 0x0f; 526 527 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 528 uinfo->count = shift == rshift ? 1 : 2; 529 uinfo->value.integer.min = 0; 530 uinfo->value.integer.max = mask; 531 return 0; 532} 533 534static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, 535 struct snd_ctl_elem_value *ucontrol) 536{ 537 struct snd_ac97 *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 558static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, 559 struct snd_ctl_elem_value *ucontrol) 560{ 561 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 562 int reg = kcontrol->private_value & 0xff; 563 int shift = (kcontrol->private_value >> 8) & 0x0f; 564 int rshift = (kcontrol->private_value >> 12) & 0x0f; 565 int mask = (kcontrol->private_value >> 16) & 0xff; 566 int invert = (kcontrol->private_value >> 24) & 0x01; 567 int err, page_save; 568 unsigned short val, val2, val_mask; 569 570 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 571 val = (ucontrol->value.integer.value[0] & mask); 572 if (invert) 573 val = mask - val; 574 val_mask = mask << shift; 575 val = val << shift; 576 if (shift != rshift) { 577 val2 = (ucontrol->value.integer.value[1] & mask); 578 if (invert) 579 val2 = mask - val2; 580 val_mask |= mask << rshift; 581 val |= val2 << rshift; 582 } 583 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 584 snd_ac97_page_restore(ac97, page_save); 585#ifdef CONFIG_SND_AC97_POWER_SAVE 586 /* check analog mixer power-down */ 587 if ((val_mask & AC97_PD_EAPD) && 588 (kcontrol->private_value & (1<<30))) { 589 if (val & AC97_PD_EAPD) 590 ac97->power_up &= ~(1 << (reg>>1)); 591 else 592 ac97->power_up |= 1 << (reg>>1); 593 update_power_regs(ac97); 594 } 595#endif 596 return err; 597} 598 599static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 600AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 601AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 602}; 603 604static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 605AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1), 606AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1) 607}; 608 609static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 610 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 611 612 613static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 614static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 615static const char* std_mix[] = {"Mix", "Mic"}; 616static const char* std_mic[] = {"Mic1", "Mic2"}; 617 618static const struct ac97_enum std_enum[] = { 619AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 620AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 621AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 622AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 623}; 624 625static const struct snd_kcontrol_new snd_ac97_control_capture_src = 626AC97_ENUM("Capture Source", std_enum[0]); 627 628static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 629AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 630 631static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 632AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 633AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 634}; 635 636enum { 637 AC97_GENERAL_PCM_OUT = 0, 638 AC97_GENERAL_STEREO_ENHANCEMENT, 639 AC97_GENERAL_3D, 640 AC97_GENERAL_LOUDNESS, 641 AC97_GENERAL_MONO, 642 AC97_GENERAL_MIC, 643 AC97_GENERAL_LOOPBACK 644}; 645 646static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 647AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 648AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 649AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 650AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 651AC97_ENUM("Mono Output Select", std_enum[2]), 652AC97_ENUM("Mic Select", std_enum[3]), 653AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 654}; 655 656static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 657AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 658AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 659}; 660 661static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 662AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 663AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 664}; 665 666static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 667AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 668AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 669}; 670 671static const struct snd_kcontrol_new snd_ac97_control_eapd = 672AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 673 674static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 675AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 676AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 677}; 678 679/* change the existing EAPD control as inverted */ 680static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 681{ 682 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 683 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 684 ac97->scaps |= AC97_SCAP_INV_EAPD; 685} 686 687static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 688{ 689 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 690 uinfo->count = 1; 691 return 0; 692} 693 694static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 695{ 696 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 697 IEC958_AES0_NONAUDIO | 698 IEC958_AES0_CON_EMPHASIS_5015 | 699 IEC958_AES0_CON_NOT_COPYRIGHT; 700 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 701 IEC958_AES1_CON_ORIGINAL; 702 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 703 return 0; 704} 705 706static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 707{ 708 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 709 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 710 IEC958_AES0_NONAUDIO | 711 IEC958_AES0_PRO_FS | 712 IEC958_AES0_PRO_EMPHASIS_5015; 713 return 0; 714} 715 716static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 717{ 718 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 719 720 mutex_lock(&ac97->reg_mutex); 721 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 722 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 723 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 724 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 725 mutex_unlock(&ac97->reg_mutex); 726 return 0; 727} 728 729static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 730{ 731 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 732 unsigned int new = 0; 733 unsigned short val = 0; 734 int change; 735 736 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 737 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 738 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 739 switch (new & IEC958_AES0_PRO_FS) { 740 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 741 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 742 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 743 default: val |= 1<<12; break; 744 } 745 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 746 val |= 1<<3; 747 } else { 748 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 749 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 750 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 751 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 752 val |= 1<<3; 753 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 754 val |= 1<<2; 755 val |= ((new >> 8) & 0xff) << 4; // category + original 756 switch ((new >> 24) & 0xff) { 757 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 758 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 759 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 760 default: val |= 1<<12; break; 761 } 762 } 763 764 mutex_lock(&ac97->reg_mutex); 765 change = ac97->spdif_status != new; 766 ac97->spdif_status = new; 767 768 if (ac97->flags & AC97_CS_SPDIF) { 769 int x = (val >> 12) & 0x03; 770 switch (x) { 771 case 0: x = 1; break; // 44.1 772 case 2: x = 0; break; // 48.0 773 default: x = 0; break; // illegal. 774 } 775 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 776 } else if (ac97->flags & AC97_CX_SPDIF) { 777 int v; 778 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 779 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 780 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 781 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 782 v); 783 } else if (ac97->id == AC97_ID_YMF743) { 784 change |= snd_ac97_update_bits_nolock(ac97, 785 AC97_YMF7X3_DIT_CTRL, 786 0xff38, 787 ((val << 4) & 0xff00) | 788 ((val << 2) & 0x0038)); 789 } else { 790 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 791 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 792 793 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 794 if (extst & AC97_EA_SPDIF) { 795 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 796 } 797 } 798 mutex_unlock(&ac97->reg_mutex); 799 800 return change; 801} 802 803static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 804{ 805 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 806 int reg = kcontrol->private_value & 0xff; 807 int shift = (kcontrol->private_value >> 8) & 0x0f; 808 int mask = (kcontrol->private_value >> 16) & 0xff; 809 // int invert = (kcontrol->private_value >> 24) & 0xff; 810 unsigned short value, old, new; 811 int change; 812 813 value = (ucontrol->value.integer.value[0] & mask); 814 815 mutex_lock(&ac97->reg_mutex); 816 mask <<= shift; 817 value <<= shift; 818 old = snd_ac97_read_cache(ac97, reg); 819 new = (old & ~mask) | value; 820 change = old != new; 821 822 if (change) { 823 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 824 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 825 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 826 if (extst & AC97_EA_SPDIF) 827 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 828 } 829 mutex_unlock(&ac97->reg_mutex); 830 return change; 831} 832 833static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 834 { 835 .access = SNDRV_CTL_ELEM_ACCESS_READ, 836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 838 .info = snd_ac97_spdif_mask_info, 839 .get = snd_ac97_spdif_cmask_get, 840 }, 841 { 842 .access = SNDRV_CTL_ELEM_ACCESS_READ, 843 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 844 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 845 .info = snd_ac97_spdif_mask_info, 846 .get = snd_ac97_spdif_pmask_get, 847 }, 848 { 849 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 850 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 851 .info = snd_ac97_spdif_mask_info, 852 .get = snd_ac97_spdif_default_get, 853 .put = snd_ac97_spdif_default_put, 854 }, 855 856 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 857 { 858 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 859 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 860 .info = snd_ac97_info_volsw, 861 .get = snd_ac97_get_volsw, 862 .put = snd_ac97_put_spsa, 863 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 864 }, 865}; 866 867#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 868{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 869 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 870 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 871 872static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 873{ 874 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 875 int mask = (kcontrol->private_value >> 16) & 0x0f; 876 int lshift = (kcontrol->private_value >> 8) & 0x0f; 877 int rshift = (kcontrol->private_value >> 12) & 0x0f; 878 879 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 880 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 881 uinfo->count = 2; 882 else 883 uinfo->count = 1; 884 uinfo->value.integer.min = 0; 885 uinfo->value.integer.max = mask; 886 return 0; 887} 888 889static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 890{ 891 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 892 int codec = kcontrol->private_value & 3; 893 int lshift = (kcontrol->private_value >> 8) & 0x0f; 894 int rshift = (kcontrol->private_value >> 12) & 0x0f; 895 int mask = (kcontrol->private_value >> 16) & 0xff; 896 897 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 899 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 900 return 0; 901} 902 903static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 904{ 905 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 906 int codec = kcontrol->private_value & 3; 907 int lshift = (kcontrol->private_value >> 8) & 0x0f; 908 int rshift = (kcontrol->private_value >> 12) & 0x0f; 909 int mask = (kcontrol->private_value >> 16) & 0xff; 910 unsigned short val, valmask; 911 912 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 913 valmask = mask << lshift; 914 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 915 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 916 valmask |= mask << rshift; 917 } 918 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 919} 920 921#define AD18XX_PCM_VOLUME(xname, codec) \ 922{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 923 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 924 .private_value = codec } 925 926static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 927{ 928 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 929 uinfo->count = 2; 930 uinfo->value.integer.min = 0; 931 uinfo->value.integer.max = 31; 932 return 0; 933} 934 935static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 936{ 937 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 938 int codec = kcontrol->private_value & 3; 939 940 mutex_lock(&ac97->page_mutex); 941 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 942 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 943 mutex_unlock(&ac97->page_mutex); 944 return 0; 945} 946 947static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 948{ 949 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 950 int codec = kcontrol->private_value & 3; 951 unsigned short val1, val2; 952 953 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 954 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 955 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 956} 957 958static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 959AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 960AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 961}; 962 963static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 964AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 965AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 966}; 967 968static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 969AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 970AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 971}; 972 973static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 974AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 975AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 976}; 977 978/* 979 * 980 */ 981 982static void snd_ac97_powerdown(struct snd_ac97 *ac97); 983 984static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 985{ 986 if (bus) { 987 snd_ac97_bus_proc_done(bus); 988 kfree(bus->pcms); 989 if (bus->private_free) 990 bus->private_free(bus); 991 kfree(bus); 992 } 993 return 0; 994} 995 996static int snd_ac97_bus_dev_free(struct snd_device *device) 997{ 998 struct snd_ac97_bus *bus = device->device_data; 999 return snd_ac97_bus_free(bus); 1000} 1001 1002static int snd_ac97_free(struct snd_ac97 *ac97) 1003{ 1004 if (ac97) { 1005#ifdef CONFIG_SND_AC97_POWER_SAVE 1006 cancel_delayed_work_sync(&ac97->power_work); 1007#endif 1008 snd_ac97_proc_done(ac97); 1009 if (ac97->bus) 1010 ac97->bus->codec[ac97->num] = NULL; 1011 if (ac97->private_free) 1012 ac97->private_free(ac97); 1013 kfree(ac97); 1014 } 1015 return 0; 1016} 1017 1018static int snd_ac97_dev_free(struct snd_device *device) 1019{ 1020 struct snd_ac97 *ac97 = device->device_data; 1021 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1022 return snd_ac97_free(ac97); 1023} 1024 1025static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1026{ 1027 unsigned short val, mask = AC97_MUTE_MASK_MONO; 1028 1029 if (! snd_ac97_valid_reg(ac97, reg)) 1030 return 0; 1031 1032 switch (reg) { 1033 case AC97_MASTER_TONE: 1034 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0; 1035 case AC97_HEADPHONE: 1036 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0; 1037 case AC97_REC_GAIN_MIC: 1038 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0; 1039 case AC97_3D_CONTROL: 1040 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) { 1041 val = snd_ac97_read(ac97, reg); 1042 /* if nonzero - fixed and we can't set it */ 1043 return val == 0; 1044 } 1045 return 0; 1046 case AC97_CENTER_LFE_MASTER: /* center */ 1047 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1048 return 0; 1049 break; 1050 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1051 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1052 return 0; 1053 reg = AC97_CENTER_LFE_MASTER; 1054 mask = 0x0080; 1055 break; 1056 case AC97_SURROUND_MASTER: 1057 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1058 return 0; 1059 break; 1060 } 1061 1062 val = snd_ac97_read(ac97, reg); 1063 if (!(val & mask)) { 1064 /* nothing seems to be here - mute flag is not set */ 1065 /* try another test */ 1066 snd_ac97_write_cache(ac97, reg, val | mask); 1067 val = snd_ac97_read(ac97, reg); 1068 val = snd_ac97_read(ac97, reg); 1069 if (!(val & mask)) 1070 return 0; /* nothing here */ 1071 } 1072 return 1; /* success, useable */ 1073} 1074 1075static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1076{ 1077 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1078 unsigned char max[3] = { 63, 31, 15 }; 1079 int i; 1080 1081 /* first look up the static resolution table */ 1082 if (ac97->res_table) { 1083 const struct snd_ac97_res_table *tbl; 1084 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1085 if (tbl->reg == reg) { 1086 *lo_max = tbl->bits & 0xff; 1087 *hi_max = (tbl->bits >> 8) & 0xff; 1088 return; 1089 } 1090 } 1091 } 1092 1093 *lo_max = *hi_max = 0; 1094 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1095 unsigned short val; 1096 snd_ac97_write( 1097 ac97, reg, 1098 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8) 1099 ); 1100 /* Do the read twice due to buffers on some ac97 codecs. 1101 * e.g. The STAC9704 returns exactly what you wrote to the register 1102 * if you read it immediately. This causes the detect routine to fail. 1103 */ 1104 val = snd_ac97_read(ac97, reg); 1105 val = snd_ac97_read(ac97, reg); 1106 if (! *lo_max && (val & 0x7f) == cbit[i]) 1107 *lo_max = max[i]; 1108 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1109 *hi_max = max[i]; 1110 if (*lo_max && *hi_max) 1111 break; 1112 } 1113} 1114 1115static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1116{ 1117 unsigned short mask, val, orig, res; 1118 1119 mask = 1 << bit; 1120 orig = snd_ac97_read(ac97, reg); 1121 val = orig ^ mask; 1122 snd_ac97_write(ac97, reg, val); 1123 res = snd_ac97_read(ac97, reg); 1124 snd_ac97_write_cache(ac97, reg, orig); 1125 return res == val; 1126} 1127 1128/* check the volume resolution of center/lfe */ 1129static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1130{ 1131 unsigned short val, val1; 1132 1133 *max = 63; 1134 val = AC97_MUTE_MASK_STEREO | (0x20 << shift); 1135 snd_ac97_write(ac97, reg, val); 1136 val1 = snd_ac97_read(ac97, reg); 1137 if (val != val1) { 1138 *max = 31; 1139 } 1140 /* reset volume to zero */ 1141 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO); 1142} 1143 1144static inline int printable(unsigned int x) 1145{ 1146 x &= 0xff; 1147 if (x < ' ' || x >= 0x71) { 1148 if (x <= 0x89) 1149 return x - 0x71 + 'A'; 1150 return '?'; 1151 } 1152 return x; 1153} 1154 1155static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, 1156 struct snd_ac97 * ac97) 1157{ 1158 struct snd_kcontrol_new template; 1159 memcpy(&template, _template, sizeof(template)); 1160 template.index = ac97->num; 1161 return snd_ctl_new1(&template, ac97); 1162} 1163 1164/* 1165 * create mute switch(es) for normal stereo controls 1166 */ 1167static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1168 int check_stereo, int check_amix, 1169 struct snd_ac97 *ac97) 1170{ 1171 struct snd_kcontrol *kctl; 1172 int err; 1173 unsigned short val, val1, mute_mask; 1174 1175 if (! snd_ac97_valid_reg(ac97, reg)) 1176 return 0; 1177 1178 mute_mask = AC97_MUTE_MASK_MONO; 1179 val = snd_ac97_read(ac97, reg); 1180 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1181 /* check whether both mute bits work */ 1182 val1 = val | AC97_MUTE_MASK_STEREO; 1183 snd_ac97_write(ac97, reg, val1); 1184 if (val1 == snd_ac97_read(ac97, reg)) 1185 mute_mask = AC97_MUTE_MASK_STEREO; 1186 } 1187 if (mute_mask == AC97_MUTE_MASK_STEREO) { 1188 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1189 if (check_amix) 1190 tmp.private_value |= (1 << 30); 1191 tmp.index = ac97->num; 1192 kctl = snd_ctl_new1(&tmp, ac97); 1193 } else { 1194 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1195 if (check_amix) 1196 tmp.private_value |= (1 << 30); 1197 tmp.index = ac97->num; 1198 kctl = snd_ctl_new1(&tmp, ac97); 1199 } 1200 err = snd_ctl_add(card, kctl); 1201 if (err < 0) 1202 return err; 1203 /* mute as default */ 1204 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1205 return 0; 1206} 1207 1208/* 1209 * set dB information 1210 */ 1211static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1212static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1213static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1214static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1215static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1216 1217static const unsigned int *find_db_scale(unsigned int maxval) 1218{ 1219 switch (maxval) { 1220 case 0x0f: return db_scale_4bit; 1221 case 0x1f: return db_scale_5bit; 1222 case 0x3f: return db_scale_6bit; 1223 } 1224 return NULL; 1225} 1226 1227static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1228{ 1229 kctl->tlv.p = tlv; 1230 if (tlv) 1231 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1232} 1233 1234/* 1235 * create a volume for normal stereo/mono controls 1236 */ 1237static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1238 unsigned int hi_max, struct snd_ac97 *ac97) 1239{ 1240 int err; 1241 struct snd_kcontrol *kctl; 1242 1243 if (! snd_ac97_valid_reg(ac97, reg)) 1244 return 0; 1245 if (hi_max) { 1246 /* invert */ 1247 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1248 tmp.index = ac97->num; 1249 kctl = snd_ctl_new1(&tmp, ac97); 1250 } else { 1251 /* invert */ 1252 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1253 tmp.index = ac97->num; 1254 kctl = snd_ctl_new1(&tmp, ac97); 1255 } 1256 if (!kctl) 1257 return -ENOMEM; 1258 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1259 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1260 else 1261 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1262 err = snd_ctl_add(card, kctl); 1263 if (err < 0) 1264 return err; 1265 snd_ac97_write_cache( 1266 ac97, reg, 1267 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO) 1268 | lo_max | (hi_max << 8) 1269 ); 1270 return 0; 1271} 1272 1273/* 1274 * create a mute-switch and a volume for normal stereo/mono controls 1275 */ 1276static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1277 int reg, int check_stereo, int check_amix, 1278 struct snd_ac97 *ac97) 1279{ 1280 int err; 1281 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 1282 unsigned char lo_max, hi_max; 1283 1284 if (! snd_ac97_valid_reg(ac97, reg)) 1285 return 0; 1286 1287 if (snd_ac97_try_bit(ac97, reg, 15)) { 1288 sprintf(name, "%s Switch", pfx); 1289 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, 1290 check_stereo, check_amix, 1291 ac97)) < 0) 1292 return err; 1293 } 1294 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1295 if (lo_max) { 1296 sprintf(name, "%s Volume", pfx); 1297 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) 1298 return err; 1299 } 1300 return 0; 1301} 1302 1303#define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1304 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1305#define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1306 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1307 1308static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1309 1310static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1311{ 1312 struct snd_card *card = ac97->bus->card; 1313 struct snd_kcontrol *kctl; 1314 int err; 1315 unsigned int idx; 1316 unsigned char max; 1317 1318 /* build master controls */ 1319 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1320 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1321 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1322 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1323 AC97_MASTER, 0, ac97); 1324 else 1325 err = snd_ac97_cmix_new(card, "Master Playback", 1326 AC97_MASTER, 0, ac97); 1327 if (err < 0) 1328 return err; 1329 } 1330 1331 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO; 1332 1333 /* build center controls */ 1334 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1335 && !(ac97->flags & AC97_AD_MULTI)) { 1336 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) 1337 return err; 1338 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) 1339 return err; 1340 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1341 kctl->private_value &= ~(0xff << 16); 1342 kctl->private_value |= (int)max << 16; 1343 set_tlv_db_scale(kctl, find_db_scale(max)); 1344 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1345 } 1346 1347 /* build LFE controls */ 1348 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1349 && !(ac97->flags & AC97_AD_MULTI)) { 1350 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) 1351 return err; 1352 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) 1353 return err; 1354 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1355 kctl->private_value &= ~(0xff << 16); 1356 kctl->private_value |= (int)max << 16; 1357 set_tlv_db_scale(kctl, find_db_scale(max)); 1358 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1359 } 1360 1361 /* build surround controls */ 1362 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1363 && !(ac97->flags & AC97_AD_MULTI)) { 1364 /* Surround Master (0x38) is with stereo mutes */ 1365 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1366 AC97_SURROUND_MASTER, 1, 0, 1367 ac97)) < 0) 1368 return err; 1369 } 1370 1371 /* build headphone controls */ 1372 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1373 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", 1374 AC97_HEADPHONE, 0, ac97)) < 0) 1375 return err; 1376 } 1377 1378 /* build master mono controls */ 1379 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1380 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", 1381 AC97_MASTER_MONO, 0, ac97)) < 0) 1382 return err; 1383 } 1384 1385 /* build master tone controls */ 1386 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1387 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1388 for (idx = 0; idx < 2; idx++) { 1389 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) 1390 return err; 1391 if (ac97->id == AC97_ID_YMF743 || 1392 ac97->id == AC97_ID_YMF753) { 1393 kctl->private_value &= ~(0xff << 16); 1394 kctl->private_value |= 7 << 16; 1395 } 1396 } 1397 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1398 } 1399 } 1400 1401 /* build Beep controls */ 1402 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1403 ((ac97->flags & AC97_HAS_PC_BEEP) || 1404 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1405 for (idx = 0; idx < 2; idx++) 1406 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) 1407 return err; 1408 set_tlv_db_scale(kctl, db_scale_4bit); 1409 snd_ac97_write_cache( 1410 ac97, 1411 AC97_PC_BEEP, 1412 (snd_ac97_read(ac97, AC97_PC_BEEP) 1413 | AC97_MUTE_MASK_MONO | 0x001e) 1414 ); 1415 } 1416 1417 /* build Phone controls */ 1418 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1419 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1420 if ((err = snd_ac97_cmix_new(card, "Phone Playback", 1421 AC97_PHONE, 1, ac97)) < 0) 1422 return err; 1423 } 1424 } 1425 1426 /* build MIC controls */ 1427 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1428 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1429 if ((err = snd_ac97_cmix_new(card, "Mic Playback", 1430 AC97_MIC, 1, ac97)) < 0) 1431 return err; 1432 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) 1433 return err; 1434 } 1435 } 1436 1437 /* build Line controls */ 1438 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1439 if ((err = snd_ac97_cmix_new(card, "Line Playback", 1440 AC97_LINE, 1, ac97)) < 0) 1441 return err; 1442 } 1443 1444 /* build CD controls */ 1445 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1446 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1447 if ((err = snd_ac97_cmix_new(card, "CD Playback", 1448 AC97_CD, 1, ac97)) < 0) 1449 return err; 1450 } 1451 } 1452 1453 /* build Video controls */ 1454 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1455 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1456 if ((err = snd_ac97_cmix_new(card, "Video Playback", 1457 AC97_VIDEO, 1, ac97)) < 0) 1458 return err; 1459 } 1460 } 1461 1462 /* build Aux controls */ 1463 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1464 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1465 if ((err = snd_ac97_cmix_new(card, "Aux Playback", 1466 AC97_AUX, 1, ac97)) < 0) 1467 return err; 1468 } 1469 } 1470 1471 /* build PCM controls */ 1472 if (ac97->flags & AC97_AD_MULTI) { 1473 unsigned short init_val; 1474 if (ac97->flags & AC97_STEREO_MUTES) 1475 init_val = 0x9f9f; 1476 else 1477 init_val = 0x9f1f; 1478 for (idx = 0; idx < 2; idx++) 1479 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) 1480 return err; 1481 set_tlv_db_scale(kctl, db_scale_5bit); 1482 ac97->spec.ad18xx.pcmreg[0] = init_val; 1483 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1484 for (idx = 0; idx < 2; idx++) 1485 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) 1486 return err; 1487 set_tlv_db_scale(kctl, db_scale_5bit); 1488 ac97->spec.ad18xx.pcmreg[1] = init_val; 1489 } 1490 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1491 for (idx = 0; idx < 2; idx++) 1492 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) 1493 return err; 1494 set_tlv_db_scale(kctl, db_scale_5bit); 1495 for (idx = 0; idx < 2; idx++) 1496 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) 1497 return err; 1498 set_tlv_db_scale(kctl, db_scale_5bit); 1499 ac97->spec.ad18xx.pcmreg[2] = init_val; 1500 } 1501 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1502 } else { 1503 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1504 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1505 err = snd_ac97_cmute_new(card, 1506 "PCM Playback Switch", 1507 AC97_PCM, 0, ac97); 1508 else 1509 err = snd_ac97_cmix_new(card, "PCM Playback", 1510 AC97_PCM, 0, ac97); 1511 if (err < 0) 1512 return err; 1513 } 1514 } 1515 1516 /* build Capture controls */ 1517 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1518 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) 1519 return err; 1520 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1521 err = snd_ac97_cmute_new(card, "Capture Switch", 1522 AC97_REC_GAIN, 0, ac97); 1523 if (err < 0) 1524 return err; 1525 } 1526 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) 1527 return err; 1528 set_tlv_db_scale(kctl, db_scale_rec_gain); 1529 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1530 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1531 } 1532 /* build MIC Capture controls */ 1533 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1534 for (idx = 0; idx < 2; idx++) 1535 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) 1536 return err; 1537 set_tlv_db_scale(kctl, db_scale_rec_gain); 1538 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1539 } 1540 1541 /* build PCM out path & mute control */ 1542 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1543 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) 1544 return err; 1545 } 1546 1547 /* build Simulated Stereo Enhancement control */ 1548 if (ac97->caps & AC97_BC_SIM_STEREO) { 1549 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) 1550 return err; 1551 } 1552 1553 /* build 3D Stereo Enhancement control */ 1554 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1555 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) 1556 return err; 1557 } 1558 1559 /* build Loudness control */ 1560 if (ac97->caps & AC97_BC_LOUDNESS) { 1561 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) 1562 return err; 1563 } 1564 1565 /* build Mono output select control */ 1566 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1567 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) 1568 return err; 1569 } 1570 1571 /* build Mic select control */ 1572 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1573 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) 1574 return err; 1575 } 1576 1577 /* build ADC/DAC loopback control */ 1578 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1579 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) 1580 return err; 1581 } 1582 1583 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1584 1585 /* build 3D controls */ 1586 if (ac97->build_ops->build_3d) { 1587 ac97->build_ops->build_3d(ac97); 1588 } else { 1589 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1590 unsigned short val; 1591 val = 0x0707; 1592 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1593 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1594 val = val == 0x0606; 1595 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) 1596 return err; 1597 if (val) 1598 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1599 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) 1600 return err; 1601 if (val) 1602 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1603 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1604 } 1605 } 1606 1607 /* build S/PDIF controls */ 1608 1609 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1610 if (ac97->subsystem_vendor == 0x1043 && 1611 ac97->subsystem_device == 0x810f) 1612 ac97->ext_id |= AC97_EI_SPDIF; 1613 1614 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1615 if (ac97->build_ops->build_spdif) { 1616 if ((err = ac97->build_ops->build_spdif(ac97)) < 0) 1617 return err; 1618 } else { 1619 for (idx = 0; idx < 5; idx++) 1620 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) 1621 return err; 1622 if (ac97->build_ops->build_post_spdif) { 1623 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) 1624 return err; 1625 } 1626 /* set default PCM S/PDIF params */ 1627 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1628 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1629 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1630 } 1631 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1632 } 1633 1634 /* build chip specific controls */ 1635 if (ac97->build_ops->build_specific) 1636 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1637 return err; 1638 1639 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1640 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1641 if (! kctl) 1642 return -ENOMEM; 1643 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1644 set_inv_eapd(ac97, kctl); 1645 if ((err = snd_ctl_add(card, kctl)) < 0) 1646 return err; 1647 } 1648 1649 return 0; 1650} 1651 1652static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1653{ 1654 int err, idx; 1655 1656 /* 1657 ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n", 1658 snd_ac97_read(ac97,AC97_GPIO_CFG)); 1659 */ 1660 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1661 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1662 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1663 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1664 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1665 1666 /* build modem switches */ 1667 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) 1668 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) 1669 return err; 1670 1671 /* build chip specific controls */ 1672 if (ac97->build_ops->build_specific) 1673 if ((err = ac97->build_ops->build_specific(ac97)) < 0) 1674 return err; 1675 1676 return 0; 1677} 1678 1679static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1680{ 1681 unsigned short val; 1682 unsigned int tmp; 1683 1684 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1685 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1686 if (shadow_reg) 1687 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1688 val = snd_ac97_read(ac97, reg); 1689 return val == (tmp & 0xffff); 1690} 1691 1692static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1693{ 1694 unsigned int result = 0; 1695 unsigned short saved; 1696 1697 if (ac97->bus->no_vra) { 1698 *r_result = SNDRV_PCM_RATE_48000; 1699 if ((ac97->flags & AC97_DOUBLE_RATE) && 1700 reg == AC97_PCM_FRONT_DAC_RATE) 1701 *r_result |= SNDRV_PCM_RATE_96000; 1702 return; 1703 } 1704 1705 saved = snd_ac97_read(ac97, reg); 1706 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1707 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1708 AC97_EA_DRA, 0); 1709 /* test a non-standard rate */ 1710 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1711 result |= SNDRV_PCM_RATE_CONTINUOUS; 1712 /* let's try to obtain standard rates */ 1713 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1714 result |= SNDRV_PCM_RATE_8000; 1715 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1716 result |= SNDRV_PCM_RATE_11025; 1717 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1718 result |= SNDRV_PCM_RATE_16000; 1719 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1720 result |= SNDRV_PCM_RATE_22050; 1721 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1722 result |= SNDRV_PCM_RATE_32000; 1723 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1724 result |= SNDRV_PCM_RATE_44100; 1725 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1726 result |= SNDRV_PCM_RATE_48000; 1727 if ((ac97->flags & AC97_DOUBLE_RATE) && 1728 reg == AC97_PCM_FRONT_DAC_RATE) { 1729 /* test standard double rates */ 1730 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1731 AC97_EA_DRA, AC97_EA_DRA); 1732 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1733 result |= SNDRV_PCM_RATE_64000; 1734 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1735 result |= SNDRV_PCM_RATE_88200; 1736 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1737 result |= SNDRV_PCM_RATE_96000; 1738 /* some codecs don't support variable double rates */ 1739 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1740 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1741 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1742 AC97_EA_DRA, 0); 1743 } 1744 /* restore the default value */ 1745 snd_ac97_write_cache(ac97, reg, saved); 1746 if (shadow_reg) 1747 snd_ac97_write_cache(ac97, shadow_reg, saved); 1748 *r_result = result; 1749} 1750 1751/* check AC97_SPDIF register to accept which sample rates */ 1752static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1753{ 1754 unsigned int result = 0; 1755 int i; 1756 static const unsigned short ctl_bits[] = { 1757 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1758 }; 1759 static const unsigned int rate_bits[] = { 1760 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1761 }; 1762 1763 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1764 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1765 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1766 result |= rate_bits[i]; 1767 } 1768 return result; 1769} 1770 1771/* look for the codec id table matching with the given id */ 1772static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1773 unsigned int id) 1774{ 1775 const struct ac97_codec_id *pid; 1776 1777 for (pid = table; pid->id; pid++) 1778 if (pid->id == (id & pid->mask)) 1779 return pid; 1780 return NULL; 1781} 1782 1783void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) 1784{ 1785 const struct ac97_codec_id *pid; 1786 1787 sprintf(name, "0x%x %c%c%c", id, 1788 printable(id >> 24), 1789 printable(id >> 16), 1790 printable(id >> 8)); 1791 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1792 if (! pid) 1793 return; 1794 1795 strcpy(name, pid->name); 1796 if (ac97 && pid->patch) { 1797 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1798 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1799 pid->patch(ac97); 1800 } 1801 1802 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1803 if (pid) { 1804 strcat(name, " "); 1805 strcat(name, pid->name); 1806 if (pid->mask != 0xffffffff) 1807 sprintf(name + strlen(name), " rev %d", id & ~pid->mask); 1808 if (ac97 && pid->patch) { 1809 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1810 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1811 pid->patch(ac97); 1812 } 1813 } else 1814 sprintf(name + strlen(name), " id %x", id & 0xff); 1815} 1816 1817/** 1818 * snd_ac97_get_short_name - retrieve codec name 1819 * @ac97: the codec instance 1820 * 1821 * Return: The short identifying name of the codec. 1822 */ 1823const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1824{ 1825 const struct ac97_codec_id *pid; 1826 1827 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1828 if (pid->id == (ac97->id & pid->mask)) 1829 return pid->name; 1830 return "unknown codec"; 1831} 1832 1833EXPORT_SYMBOL(snd_ac97_get_short_name); 1834 1835/* wait for a while until registers are accessible after RESET 1836 * return 0 if ok, negative not ready 1837 */ 1838static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1839{ 1840 unsigned long end_time; 1841 unsigned short val; 1842 1843 end_time = jiffies + timeout; 1844 do { 1845 1846 /* use preliminary reads to settle the communication */ 1847 snd_ac97_read(ac97, AC97_RESET); 1848 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1849 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1850 /* modem? */ 1851 if (with_modem) { 1852 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1853 if (val != 0xffff && (val & 1) != 0) 1854 return 0; 1855 } 1856 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1857 /* probably only Xbox issue - all registers are read as zero */ 1858 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1859 if (val != 0 && val != 0xffff) 1860 return 0; 1861 } else { 1862 /* because the PCM or MASTER volume registers can be modified, 1863 * the REC_GAIN register is used for tests 1864 */ 1865 /* test if we can write to the record gain volume register */ 1866 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1867 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1868 return 0; 1869 } 1870 schedule_timeout_uninterruptible(1); 1871 } while (time_after_eq(end_time, jiffies)); 1872 return -ENODEV; 1873} 1874 1875/** 1876 * snd_ac97_bus - create an AC97 bus component 1877 * @card: the card instance 1878 * @num: the bus number 1879 * @ops: the bus callbacks table 1880 * @private_data: private data pointer for the new instance 1881 * @rbus: the pointer to store the new AC97 bus instance. 1882 * 1883 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1884 * allocated and initialized. 1885 * 1886 * The ops table must include valid callbacks (at least read and 1887 * write). The other callbacks, wait and reset, are not mandatory. 1888 * 1889 * The clock is set to 48000. If another clock is needed, set 1890 * ``(*rbus)->clock`` manually. 1891 * 1892 * The AC97 bus instance is registered as a low-level device, so you don't 1893 * have to release it manually. 1894 * 1895 * Return: Zero if successful, or a negative error code on failure. 1896 */ 1897int snd_ac97_bus(struct snd_card *card, int num, 1898 const struct snd_ac97_bus_ops *ops, 1899 void *private_data, struct snd_ac97_bus **rbus) 1900{ 1901 int err; 1902 struct snd_ac97_bus *bus; 1903 static const struct snd_device_ops dev_ops = { 1904 .dev_free = snd_ac97_bus_dev_free, 1905 }; 1906 1907 if (snd_BUG_ON(!card)) 1908 return -EINVAL; 1909 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1910 if (bus == NULL) 1911 return -ENOMEM; 1912 bus->card = card; 1913 bus->num = num; 1914 bus->ops = ops; 1915 bus->private_data = private_data; 1916 bus->clock = 48000; 1917 spin_lock_init(&bus->bus_lock); 1918 snd_ac97_bus_proc_init(bus); 1919 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { 1920 snd_ac97_bus_free(bus); 1921 return err; 1922 } 1923 if (rbus) 1924 *rbus = bus; 1925 return 0; 1926} 1927 1928EXPORT_SYMBOL(snd_ac97_bus); 1929 1930/* stop no dev release warning */ 1931static void ac97_device_release(struct device * dev) 1932{ 1933} 1934 1935/* register ac97 codec to bus */ 1936static int snd_ac97_dev_register(struct snd_device *device) 1937{ 1938 struct snd_ac97 *ac97 = device->device_data; 1939 int err; 1940 1941 ac97->dev.bus = &ac97_bus_type; 1942 ac97->dev.parent = ac97->bus->card->dev; 1943 ac97->dev.release = ac97_device_release; 1944 dev_set_name(&ac97->dev, "%d-%d:%s", 1945 ac97->bus->card->number, ac97->num, 1946 snd_ac97_get_short_name(ac97)); 1947 if ((err = device_register(&ac97->dev)) < 0) { 1948 ac97_err(ac97, "Can't register ac97 bus\n"); 1949 put_device(&ac97->dev); 1950 ac97->dev.bus = NULL; 1951 return err; 1952 } 1953 return 0; 1954} 1955 1956/* disconnect ac97 codec */ 1957static int snd_ac97_dev_disconnect(struct snd_device *device) 1958{ 1959 struct snd_ac97 *ac97 = device->device_data; 1960 if (ac97->dev.bus) 1961 device_unregister(&ac97->dev); 1962 return 0; 1963} 1964 1965/* build_ops to do nothing */ 1966static const struct snd_ac97_build_ops null_build_ops; 1967 1968#ifdef CONFIG_SND_AC97_POWER_SAVE 1969static void do_update_power(struct work_struct *work) 1970{ 1971 update_power_regs( 1972 container_of(work, struct snd_ac97, power_work.work)); 1973} 1974#endif 1975 1976/** 1977 * snd_ac97_mixer - create an Codec97 component 1978 * @bus: the AC97 bus which codec is attached to 1979 * @template: the template of ac97, including index, callbacks and 1980 * the private data. 1981 * @rac97: the pointer to store the new ac97 instance. 1982 * 1983 * Creates an Codec97 component. An struct snd_ac97 instance is newly 1984 * allocated and initialized from the template. The codec 1985 * is then initialized by the standard procedure. 1986 * 1987 * The template must include the codec number (num) and address (addr), 1988 * and the private data (private_data). 1989 * 1990 * The ac97 instance is registered as a low-level device, so you don't 1991 * have to release it manually. 1992 * 1993 * Return: Zero if successful, or a negative error code on failure. 1994 */ 1995int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 1996{ 1997 int err; 1998 struct snd_ac97 *ac97; 1999 struct snd_card *card; 2000 char name[64]; 2001 unsigned long end_time; 2002 unsigned int reg; 2003 const struct ac97_codec_id *pid; 2004 static const struct snd_device_ops ops = { 2005 .dev_free = snd_ac97_dev_free, 2006 .dev_register = snd_ac97_dev_register, 2007 .dev_disconnect = snd_ac97_dev_disconnect, 2008 }; 2009 2010 if (snd_BUG_ON(!bus || !template || !rac97)) 2011 return -EINVAL; 2012 *rac97 = NULL; 2013 if (snd_BUG_ON(template->num >= 4)) 2014 return -EINVAL; 2015 if (bus->codec[template->num]) 2016 return -EBUSY; 2017 2018 card = bus->card; 2019 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 2020 if (ac97 == NULL) 2021 return -ENOMEM; 2022 ac97->private_data = template->private_data; 2023 ac97->private_free = template->private_free; 2024 ac97->bus = bus; 2025 ac97->pci = template->pci; 2026 ac97->num = template->num; 2027 ac97->addr = template->addr; 2028 ac97->scaps = template->scaps; 2029 ac97->res_table = template->res_table; 2030 bus->codec[ac97->num] = ac97; 2031 mutex_init(&ac97->reg_mutex); 2032 mutex_init(&ac97->page_mutex); 2033#ifdef CONFIG_SND_AC97_POWER_SAVE 2034 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2035#endif 2036 2037#ifdef CONFIG_PCI 2038 if (ac97->pci) { 2039 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2040 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2041 } 2042#endif 2043 if (bus->ops->reset) { 2044 bus->ops->reset(ac97); 2045 goto __access_ok; 2046 } 2047 2048 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2049 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2050 if (ac97->id && ac97->id != (unsigned int)-1) { 2051 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2052 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2053 goto __access_ok; 2054 } 2055 2056 /* reset to defaults */ 2057 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2058 snd_ac97_write(ac97, AC97_RESET, 0); 2059 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2060 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2061 if (bus->ops->wait) 2062 bus->ops->wait(ac97); 2063 else { 2064 udelay(50); 2065 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2066 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2067 else { 2068 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2069 if (err < 0) 2070 err = ac97_reset_wait(ac97, 2071 msecs_to_jiffies(500), 1); 2072 } 2073 if (err < 0) { 2074 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n", 2075 ac97->num); 2076 /* proceed anyway - it's often non-critical */ 2077 } 2078 } 2079 __access_ok: 2080 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2081 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2082 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2083 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2084 ac97_err(ac97, 2085 "AC'97 %d access is not valid [0x%x], removing mixer.\n", 2086 ac97->num, ac97->id); 2087 snd_ac97_free(ac97); 2088 return -EIO; 2089 } 2090 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2091 if (pid) 2092 ac97->flags |= pid->flags; 2093 2094 /* test for AC'97 */ 2095 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2096 /* test if we can write to the record gain volume register */ 2097 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2098 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) 2099 ac97->scaps |= AC97_SCAP_AUDIO; 2100 } 2101 if (ac97->scaps & AC97_SCAP_AUDIO) { 2102 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2103 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2104 if (ac97->ext_id == 0xffff) /* invalid combination */ 2105 ac97->ext_id = 0; 2106 } 2107 2108 /* test for MC'97 */ 2109 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2110 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2111 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2112 ac97->ext_mid = 0; 2113 if (ac97->ext_mid & 1) 2114 ac97->scaps |= AC97_SCAP_MODEM; 2115 } 2116 2117 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2118 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2119 ac97_err(ac97, 2120 "AC'97 %d access error (not audio or modem codec)\n", 2121 ac97->num); 2122 snd_ac97_free(ac97); 2123 return -EACCES; 2124 } 2125 2126 if (bus->ops->reset) // FIXME: always skipping? 2127 goto __ready_ok; 2128 2129 /* FIXME: add powerdown control */ 2130 if (ac97_is_audio(ac97)) { 2131 /* nothing should be in powerdown mode */ 2132 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2133 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2134 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2135 udelay(100); 2136 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2137 } 2138 /* nothing should be in powerdown mode */ 2139 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2140 end_time = jiffies + msecs_to_jiffies(5000); 2141 do { 2142 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2143 goto __ready_ok; 2144 schedule_timeout_uninterruptible(1); 2145 } while (time_after_eq(end_time, jiffies)); 2146 ac97_warn(ac97, 2147 "AC'97 %d analog subsections not ready\n", ac97->num); 2148 } 2149 2150 /* FIXME: add powerdown control */ 2151 if (ac97_is_modem(ac97)) { 2152 unsigned char tmp; 2153 2154 /* nothing should be in powerdown mode */ 2155 /* note: it's important to set the rate at first */ 2156 tmp = AC97_MEA_GPIO; 2157 if (ac97->ext_mid & AC97_MEI_LINE1) { 2158 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2159 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2160 } 2161 if (ac97->ext_mid & AC97_MEI_LINE2) { 2162 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2163 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2164 } 2165 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2166 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2167 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2168 } 2169 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2170 udelay(100); 2171 /* nothing should be in powerdown mode */ 2172 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2173 end_time = jiffies + msecs_to_jiffies(100); 2174 do { 2175 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2176 goto __ready_ok; 2177 schedule_timeout_uninterruptible(1); 2178 } while (time_after_eq(end_time, jiffies)); 2179 ac97_warn(ac97, 2180 "MC'97 %d converters and GPIO not ready (0x%x)\n", 2181 ac97->num, 2182 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2183 } 2184 2185 __ready_ok: 2186 if (ac97_is_audio(ac97)) 2187 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2188 else 2189 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2190 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2191 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2192 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2193 if (! bus->no_vra) 2194 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2195 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2196 } 2197 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2198 /* Intel controllers require double rate data to be put in 2199 * slots 7+8, so let's hope the codec supports it. */ 2200 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2201 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2202 ac97->flags |= AC97_DOUBLE_RATE; 2203 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2204 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2205 } 2206 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2207 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2208 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2209 } else { 2210 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2211 if (ac97->flags & AC97_DOUBLE_RATE) 2212 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2213 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2214 } 2215 if (ac97->ext_id & AC97_EI_SPDIF) { 2216 /* codec specific code (patch) should override these values */ 2217 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2218 } 2219 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2220 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2221 } else { 2222 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2223 } 2224 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2225 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2226 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2227 } 2228 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2229 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2230 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2231 } 2232 /* additional initializations */ 2233 if (bus->ops->init) 2234 bus->ops->init(ac97); 2235 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); 2236 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2237 if (! ac97->build_ops) 2238 ac97->build_ops = &null_build_ops; 2239 2240 if (ac97_is_audio(ac97)) { 2241 char comp[16]; 2242 if (card->mixername[0] == '\0') { 2243 strcpy(card->mixername, name); 2244 } else { 2245 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2246 strcat(card->mixername, ","); 2247 strcat(card->mixername, name); 2248 } 2249 } 2250 sprintf(comp, "AC97a:%08x", ac97->id); 2251 if ((err = snd_component_add(card, comp)) < 0) { 2252 snd_ac97_free(ac97); 2253 return err; 2254 } 2255 if (snd_ac97_mixer_build(ac97) < 0) { 2256 snd_ac97_free(ac97); 2257 return -ENOMEM; 2258 } 2259 } 2260 if (ac97_is_modem(ac97)) { 2261 char comp[16]; 2262 if (card->mixername[0] == '\0') { 2263 strcpy(card->mixername, name); 2264 } else { 2265 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2266 strcat(card->mixername, ","); 2267 strcat(card->mixername, name); 2268 } 2269 } 2270 sprintf(comp, "AC97m:%08x", ac97->id); 2271 if ((err = snd_component_add(card, comp)) < 0) { 2272 snd_ac97_free(ac97); 2273 return err; 2274 } 2275 if (snd_ac97_modem_build(card, ac97) < 0) { 2276 snd_ac97_free(ac97); 2277 return -ENOMEM; 2278 } 2279 } 2280 if (ac97_is_audio(ac97)) 2281 update_power_regs(ac97); 2282 snd_ac97_proc_init(ac97); 2283 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { 2284 snd_ac97_free(ac97); 2285 return err; 2286 } 2287 *rac97 = ac97; 2288 return 0; 2289} 2290 2291EXPORT_SYMBOL(snd_ac97_mixer); 2292 2293/* 2294 * Power down the chip. 2295 * 2296 * MASTER and HEADPHONE registers are muted but the register cache values 2297 * are not changed, so that the values can be restored in snd_ac97_resume(). 2298 */ 2299static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2300{ 2301 unsigned short power; 2302 2303 if (ac97_is_audio(ac97)) { 2304 /* some codecs have stereo mute bits */ 2305 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2306 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2307 } 2308 2309 /* surround, CLFE, mic powerdown */ 2310 power = ac97->regs[AC97_EXTENDED_STATUS]; 2311 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2312 power |= AC97_EA_PRJ; 2313 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2314 power |= AC97_EA_PRI | AC97_EA_PRK; 2315 power |= AC97_EA_PRL; 2316 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2317 2318 /* powerdown external amplifier */ 2319 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2320 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2321 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2322 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2323 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2324 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2325 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2326 udelay(100); 2327 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ 2328 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2329 if (ac97_is_power_save_mode(ac97)) { 2330 power |= AC97_PD_PR3; /* Analog Mixer powerdown */ 2331 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2332 udelay(100); 2333 /* AC-link powerdown, internal Clk disable */ 2334 /* FIXME: this may cause click noises on some boards */ 2335 power |= AC97_PD_PR4 | AC97_PD_PR5; 2336 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2337 } 2338} 2339 2340 2341struct ac97_power_reg { 2342 unsigned short reg; 2343 unsigned short power_reg; 2344 unsigned short mask; 2345}; 2346 2347enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2348 2349static const struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2350 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2351 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2352 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2353 AC97_EA_PRI | AC97_EA_PRK}, 2354 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2355 AC97_EA_PRJ}, 2356 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2357 AC97_EA_PRL}, 2358}; 2359 2360#ifdef CONFIG_SND_AC97_POWER_SAVE 2361/** 2362 * snd_ac97_update_power - update the powerdown register 2363 * @ac97: the codec instance 2364 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2365 * @powerup: non-zero when power up the part 2366 * 2367 * Update the AC97 powerdown register bits of the given part. 2368 * 2369 * Return: Zero. 2370 */ 2371int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2372{ 2373 int i; 2374 2375 if (! ac97) 2376 return 0; 2377 2378 if (reg) { 2379 /* SPDIF requires DAC power, too */ 2380 if (reg == AC97_SPDIF) 2381 reg = AC97_PCM_FRONT_DAC_RATE; 2382 for (i = 0; i < PWIDX_SIZE; i++) { 2383 if (power_regs[i].reg == reg) { 2384 if (powerup) 2385 ac97->power_up |= (1 << i); 2386 else 2387 ac97->power_up &= ~(1 << i); 2388 break; 2389 } 2390 } 2391 } 2392 2393 if (ac97_is_power_save_mode(ac97) && !powerup) 2394 /* adjust power-down bits after two seconds delay 2395 * (for avoiding loud click noises for many (OSS) apps 2396 * that open/close frequently) 2397 */ 2398 schedule_delayed_work(&ac97->power_work, 2399 msecs_to_jiffies(power_save * 1000)); 2400 else { 2401 cancel_delayed_work(&ac97->power_work); 2402 update_power_regs(ac97); 2403 } 2404 2405 return 0; 2406} 2407 2408EXPORT_SYMBOL(snd_ac97_update_power); 2409#endif /* CONFIG_SND_AC97_POWER_SAVE */ 2410 2411static void update_power_regs(struct snd_ac97 *ac97) 2412{ 2413 unsigned int power_up, bits; 2414 int i; 2415 2416 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2417 power_up |= (1 << PWIDX_MIC); 2418 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2419 power_up |= (1 << PWIDX_SURR); 2420 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2421 power_up |= (1 << PWIDX_CLFE); 2422#ifdef CONFIG_SND_AC97_POWER_SAVE 2423 if (ac97_is_power_save_mode(ac97)) 2424 power_up = ac97->power_up; 2425#endif 2426 if (power_up) { 2427 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2428 /* needs power-up analog mix and vref */ 2429 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2430 AC97_PD_PR3, 0); 2431 msleep(1); 2432 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2433 AC97_PD_PR2, 0); 2434 } 2435 } 2436 for (i = 0; i < PWIDX_SIZE; i++) { 2437 if (power_up & (1 << i)) 2438 bits = 0; 2439 else 2440 bits = power_regs[i].mask; 2441 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2442 power_regs[i].mask, bits); 2443 } 2444 if (! power_up) { 2445 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2446 /* power down analog mix and vref */ 2447 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2448 AC97_PD_PR2, AC97_PD_PR2); 2449 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2450 AC97_PD_PR3, AC97_PD_PR3); 2451 } 2452 } 2453} 2454 2455 2456#ifdef CONFIG_PM 2457/** 2458 * snd_ac97_suspend - General suspend function for AC97 codec 2459 * @ac97: the ac97 instance 2460 * 2461 * Suspends the codec, power down the chip. 2462 */ 2463void snd_ac97_suspend(struct snd_ac97 *ac97) 2464{ 2465 if (! ac97) 2466 return; 2467 if (ac97->build_ops->suspend) 2468 ac97->build_ops->suspend(ac97); 2469#ifdef CONFIG_SND_AC97_POWER_SAVE 2470 cancel_delayed_work_sync(&ac97->power_work); 2471#endif 2472 snd_ac97_powerdown(ac97); 2473} 2474 2475EXPORT_SYMBOL(snd_ac97_suspend); 2476 2477/* 2478 * restore ac97 status 2479 */ 2480static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2481{ 2482 int i; 2483 2484 for (i = 2; i < 0x7c ; i += 2) { 2485 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2486 continue; 2487 /* restore only accessible registers 2488 * some chip (e.g. nm256) may hang up when unsupported registers 2489 * are accessed..! 2490 */ 2491 if (test_bit(i, ac97->reg_accessed)) { 2492 snd_ac97_write(ac97, i, ac97->regs[i]); 2493 snd_ac97_read(ac97, i); 2494 } 2495 } 2496} 2497 2498/* 2499 * restore IEC958 status 2500 */ 2501static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2502{ 2503 if (ac97->ext_id & AC97_EI_SPDIF) { 2504 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2505 /* reset spdif status */ 2506 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2507 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2508 if (ac97->flags & AC97_CS_SPDIF) 2509 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2510 else 2511 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2512 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2513 } 2514 } 2515} 2516 2517/** 2518 * snd_ac97_resume - General resume function for AC97 codec 2519 * @ac97: the ac97 instance 2520 * 2521 * Do the standard resume procedure, power up and restoring the 2522 * old register values. 2523 */ 2524void snd_ac97_resume(struct snd_ac97 *ac97) 2525{ 2526 unsigned long end_time; 2527 2528 if (! ac97) 2529 return; 2530 2531 if (ac97->bus->ops->reset) { 2532 ac97->bus->ops->reset(ac97); 2533 goto __reset_ready; 2534 } 2535 2536 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2537 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2538 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2539 snd_ac97_write(ac97, AC97_RESET, 0); 2540 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2541 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2542 udelay(100); 2543 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2544 } 2545 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2546 2547 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2548 if (ac97_is_audio(ac97)) { 2549 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2550 end_time = jiffies + msecs_to_jiffies(100); 2551 do { 2552 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2553 break; 2554 schedule_timeout_uninterruptible(1); 2555 } while (time_after_eq(end_time, jiffies)); 2556 /* FIXME: extra delay */ 2557 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO); 2558 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO) 2559 msleep(250); 2560 } else { 2561 end_time = jiffies + msecs_to_jiffies(100); 2562 do { 2563 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2564 if (val != 0xffff && (val & 1) != 0) 2565 break; 2566 schedule_timeout_uninterruptible(1); 2567 } while (time_after_eq(end_time, jiffies)); 2568 } 2569__reset_ready: 2570 2571 if (ac97->bus->ops->init) 2572 ac97->bus->ops->init(ac97); 2573 2574 if (ac97->build_ops->resume) 2575 ac97->build_ops->resume(ac97); 2576 else { 2577 snd_ac97_restore_status(ac97); 2578 snd_ac97_restore_iec958(ac97); 2579 } 2580} 2581 2582EXPORT_SYMBOL(snd_ac97_resume); 2583#endif 2584 2585 2586/* 2587 * Hardware tuning 2588 */ 2589static void set_ctl_name(char *dst, const char *src, const char *suffix) 2590{ 2591 if (suffix) 2592 sprintf(dst, "%s %s", src, suffix); 2593 else 2594 strcpy(dst, src); 2595} 2596 2597/* remove the control with the given name and optional suffix */ 2598static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2599 const char *suffix) 2600{ 2601 struct snd_ctl_elem_id id; 2602 memset(&id, 0, sizeof(id)); 2603 set_ctl_name(id.name, name, suffix); 2604 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2605 return snd_ctl_remove_id(ac97->bus->card, &id); 2606} 2607 2608static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2609{ 2610 struct snd_ctl_elem_id sid; 2611 memset(&sid, 0, sizeof(sid)); 2612 set_ctl_name(sid.name, name, suffix); 2613 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2614 return snd_ctl_find_id(ac97->bus->card, &sid); 2615} 2616 2617/* rename the control with the given name and optional suffix */ 2618static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2619 const char *dst, const char *suffix) 2620{ 2621 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2622 if (kctl) { 2623 set_ctl_name(kctl->id.name, dst, suffix); 2624 return 0; 2625 } 2626 return -ENOENT; 2627} 2628 2629/* rename both Volume and Switch controls - don't check the return value */ 2630static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2631 const char *dst) 2632{ 2633 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2634 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2635} 2636 2637/* swap controls */ 2638static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2639 const char *s2, const char *suffix) 2640{ 2641 struct snd_kcontrol *kctl1, *kctl2; 2642 kctl1 = ctl_find(ac97, s1, suffix); 2643 kctl2 = ctl_find(ac97, s2, suffix); 2644 if (kctl1 && kctl2) { 2645 set_ctl_name(kctl1->id.name, s2, suffix); 2646 set_ctl_name(kctl2->id.name, s1, suffix); 2647 return 0; 2648 } 2649 return -ENOENT; 2650} 2651 2652#if 1 2653/* bind hp and master controls instead of using only hp control */ 2654static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2655{ 2656 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2657 if (err > 0) { 2658 unsigned long priv_saved = kcontrol->private_value; 2659 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2660 snd_ac97_put_volsw(kcontrol, ucontrol); 2661 kcontrol->private_value = priv_saved; 2662 } 2663 return err; 2664} 2665 2666/* ac97 tune: bind Master and Headphone controls */ 2667static int tune_hp_only(struct snd_ac97 *ac97) 2668{ 2669 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2670 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2671 if (! msw || ! mvol) 2672 return -ENOENT; 2673 msw->put = bind_hp_volsw_put; 2674 mvol->put = bind_hp_volsw_put; 2675 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2676 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2677 return 0; 2678} 2679 2680#else 2681/* ac97 tune: use Headphone control as master */ 2682static int tune_hp_only(struct snd_ac97 *ac97) 2683{ 2684 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2685 return -ENOENT; 2686 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2687 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2688 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2689 return 0; 2690} 2691#endif 2692 2693/* ac97 tune: swap Headphone and Master controls */ 2694static int tune_swap_hp(struct snd_ac97 *ac97) 2695{ 2696 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2697 return -ENOENT; 2698 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2699 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2700 return 0; 2701} 2702 2703/* ac97 tune: swap Surround and Master controls */ 2704static int tune_swap_surround(struct snd_ac97 *ac97) 2705{ 2706 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2707 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2708 return -ENOENT; 2709 return 0; 2710} 2711 2712/* ac97 tune: set up mic sharing for AD codecs */ 2713static int tune_ad_sharing(struct snd_ac97 *ac97) 2714{ 2715 unsigned short scfg; 2716 if ((ac97->id & 0xffffff00) != 0x41445300) { 2717 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n"); 2718 return -EINVAL; 2719 } 2720 /* Turn on OMS bit to route microphone to back panel */ 2721 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2722 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2723 return 0; 2724} 2725 2726static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2727AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2728 2729/* ac97 tune: set up ALC jack-select */ 2730static int tune_alc_jack(struct snd_ac97 *ac97) 2731{ 2732 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2733 ac97_err(ac97, 2734 "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2735 return -EINVAL; 2736 } 2737 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2738 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2739 if (ac97->id == AC97_ID_ALC658D) 2740 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2741 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2742} 2743 2744/* ac97 tune: inversed EAPD bit */ 2745static int tune_inv_eapd(struct snd_ac97 *ac97) 2746{ 2747 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2748 if (! kctl) 2749 return -ENOENT; 2750 set_inv_eapd(ac97, kctl); 2751 return 0; 2752} 2753 2754static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2755{ 2756 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2757 if (err > 0) { 2758 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2759 int shift = (kcontrol->private_value >> 8) & 0x0f; 2760 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2761 unsigned short mask; 2762 if (shift != rshift) 2763 mask = AC97_MUTE_MASK_STEREO; 2764 else 2765 mask = AC97_MUTE_MASK_MONO; 2766 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2767 (ac97->regs[AC97_MASTER] & mask) == mask ? 2768 AC97_PD_EAPD : 0); 2769 } 2770 return err; 2771} 2772 2773/* ac97 tune: EAPD controls mute LED bound with the master mute */ 2774static int tune_mute_led(struct snd_ac97 *ac97) 2775{ 2776 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2777 if (! msw) 2778 return -ENOENT; 2779 msw->put = master_mute_sw_put; 2780 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2781 snd_ac97_update_bits( 2782 ac97, AC97_POWERDOWN, 2783 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2784 ); 2785 ac97->scaps |= AC97_SCAP_EAPD_LED; 2786 return 0; 2787} 2788 2789static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2790 struct snd_ctl_elem_value *ucontrol) 2791{ 2792 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2793 if (err > 0) { 2794 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2795 int shift = (kcontrol->private_value >> 8) & 0x0f; 2796 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2797 unsigned short mask; 2798 if (shift != rshift) 2799 mask = AC97_MUTE_MASK_STEREO; 2800 else 2801 mask = AC97_MUTE_MASK_MONO; 2802 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2803 (ac97->regs[AC97_MASTER] & mask) == mask ? 2804 AC97_PD_EAPD : 0); 2805 } 2806 return err; 2807} 2808 2809static int tune_hp_mute_led(struct snd_ac97 *ac97) 2810{ 2811 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2812 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2813 if (! msw || ! mvol) 2814 return -ENOENT; 2815 msw->put = hp_master_mute_sw_put; 2816 mvol->put = bind_hp_volsw_put; 2817 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2818 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2819 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2820 snd_ac97_update_bits( 2821 ac97, AC97_POWERDOWN, 2822 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2823 ); 2824 return 0; 2825} 2826 2827struct quirk_table { 2828 const char *name; 2829 int (*func)(struct snd_ac97 *); 2830}; 2831 2832static const struct quirk_table applicable_quirks[] = { 2833 { "none", NULL }, 2834 { "hp_only", tune_hp_only }, 2835 { "swap_hp", tune_swap_hp }, 2836 { "swap_surround", tune_swap_surround }, 2837 { "ad_sharing", tune_ad_sharing }, 2838 { "alc_jack", tune_alc_jack }, 2839 { "inv_eapd", tune_inv_eapd }, 2840 { "mute_led", tune_mute_led }, 2841 { "hp_mute_led", tune_hp_mute_led }, 2842}; 2843 2844/* apply the quirk with the given type */ 2845static int apply_quirk(struct snd_ac97 *ac97, int type) 2846{ 2847 if (type <= 0) 2848 return 0; 2849 else if (type >= ARRAY_SIZE(applicable_quirks)) 2850 return -EINVAL; 2851 if (applicable_quirks[type].func) 2852 return applicable_quirks[type].func(ac97); 2853 return 0; 2854} 2855 2856/* apply the quirk with the given name */ 2857static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2858{ 2859 int i; 2860 const struct quirk_table *q; 2861 2862 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2863 q = &applicable_quirks[i]; 2864 if (q->name && ! strcmp(typestr, q->name)) 2865 return apply_quirk(ac97, i); 2866 } 2867 /* for compatibility, accept the numbers, too */ 2868 if (*typestr >= '0' && *typestr <= '9') 2869 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2870 return -EINVAL; 2871} 2872 2873/** 2874 * snd_ac97_tune_hardware - tune up the hardware 2875 * @ac97: the ac97 instance 2876 * @quirk: quirk list 2877 * @override: explicit quirk value (overrides the list if non-NULL) 2878 * 2879 * Do some workaround for each pci device, such as renaming of the 2880 * headphone (true line-out) control as "Master". 2881 * The quirk-list must be terminated with a zero-filled entry. 2882 * 2883 * Return: Zero if successful, or a negative error code on failure. 2884 */ 2885 2886int snd_ac97_tune_hardware(struct snd_ac97 *ac97, 2887 const struct ac97_quirk *quirk, const char *override) 2888{ 2889 int result; 2890 2891 /* quirk overriden? */ 2892 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2893 result = apply_quirk_str(ac97, override); 2894 if (result < 0) 2895 ac97_err(ac97, "applying quirk type %s failed (%d)\n", 2896 override, result); 2897 return result; 2898 } 2899 2900 if (! quirk) 2901 return -EINVAL; 2902 2903 for (; quirk->subvendor; quirk++) { 2904 if (quirk->subvendor != ac97->subsystem_vendor) 2905 continue; 2906 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2907 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2908 if (quirk->codec_id && quirk->codec_id != ac97->id) 2909 continue; 2910 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n", 2911 quirk->name, ac97->subsystem_vendor, 2912 ac97->subsystem_device); 2913 result = apply_quirk(ac97, quirk->type); 2914 if (result < 0) 2915 ac97_err(ac97, 2916 "applying quirk type %d for %s failed (%d)\n", 2917 quirk->type, quirk->name, result); 2918 return result; 2919 } 2920 } 2921 return 0; 2922} 2923 2924EXPORT_SYMBOL(snd_ac97_tune_hardware); 2925