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ac97_codec.c
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linux-6.19.14/sound/pci/ac97/ac97_codec.c
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{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, 156{ 0x53544d02, 0xffffffff, "ST7597", NULL, NULL }, 157{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, 158{ 0x54524103, 0xffffffff, "TR28023", NULL, NULL }, 159{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, 160{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] 161{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] 162{ 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL }, 163{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, 164{ 0x56494120, 0xfffffff0, "VIA1613", patch_vt1613, NULL }, 165{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF 166{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF 167{ 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL }, 168{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, 169{ 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL }, 170{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, 171{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, 172{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, 173{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, 174{ 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL}, 175{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, 176{ 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL }, 177{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, 178{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, 179{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, 180{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, 181{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, 182{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, 183{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, 184{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, 185{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? 186{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? 187{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, 188{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, 189{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? 190{ 0, 0, NULL, NULL, NULL } 191}; 192 193 194static void update_power_regs(struct snd_ac97 *ac97); 195#ifdef CONFIG_SND_AC97_POWER_SAVE 196#define ac97_is_power_save_mode(ac97) \ 197 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save) 198#else 199#define ac97_is_power_save_mode(ac97) 0 200#endif 201 202#define ac97_err(ac97, fmt, args...) \ 203 dev_err((ac97)->bus->card->dev, fmt, ##args) 204#define ac97_warn(ac97, fmt, args...) \ 205 dev_warn((ac97)->bus->card->dev, fmt, ##args) 206#define ac97_dbg(ac97, fmt, args...) \ 207 dev_dbg((ac97)->bus->card->dev, fmt, ##args) 208 209/* 210 * I/O routines 211 */ 212 213static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) 214{ 215 /* filter some registers for buggy codecs */ 216 switch (ac97->id) { 217 case AC97_ID_ST_AC97_ID4: 218 if (reg == 0x08) 219 return 0; 220 fallthrough; 221 case AC97_ID_ST7597: 222 if (reg == 0x22 || reg == 0x7a) 223 return 1; 224 fallthrough; 225 case AC97_ID_AK4540: 226 case AC97_ID_AK4542: 227 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) 228 return 1; 229 return 0; 230 case AC97_ID_AD1819: /* AD1819 */ 231 case AC97_ID_AD1881: /* AD1881 */ 232 case AC97_ID_AD1881A: /* AD1881A */ 233 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ 234 return 0; 235 return 1; 236 case AC97_ID_AD1885: /* AD1885 */ 237 case AC97_ID_AD1886: /* AD1886 */ 238 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ 239 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ 240 if (reg == 0x5a) 241 return 1; 242 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ 243 return 0; 244 return 1; 245 case AC97_ID_STAC9700: 246 case AC97_ID_STAC9704: 247 case AC97_ID_STAC9705: 248 case AC97_ID_STAC9708: 249 case AC97_ID_STAC9721: 250 case AC97_ID_STAC9744: 251 case AC97_ID_STAC9756: 252 if (reg <= 0x3a || reg >= 0x5a) 253 return 1; 254 return 0; 255 } 256 return 1; 257} 258 259/** 260 * snd_ac97_write - write a value on the given register 261 * @ac97: the ac97 instance 262 * @reg: the register to change 263 * @value: the value to set 264 * 265 * Writes a value on the given register. This will invoke the write 266 * callback directly after the register check. 267 * This function doesn't change the register cache unlike 268 * #snd_ca97_write_cache(), so use this only when you don't want to 269 * reflect the change to the suspend/resume state. 270 */ 271void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 272{ 273 if (!snd_ac97_valid_reg(ac97, reg)) 274 return; 275 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { 276 /* Fix H/W bug of ALC100/100P */ 277 if (reg == AC97_MASTER || reg == AC97_HEADPHONE) 278 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ 279 } 280 ac97->bus->ops->write(ac97, reg, value); 281} 282 283EXPORT_SYMBOL(snd_ac97_write); 284 285/** 286 * snd_ac97_read - read a value from the given register 287 * 288 * @ac97: the ac97 instance 289 * @reg: the register to read 290 * 291 * Reads a value from the given register. This will invoke the read 292 * callback directly after the register check. 293 * 294 * Return: The read value. 295 */ 296unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) 297{ 298 if (!snd_ac97_valid_reg(ac97, reg)) 299 return 0; 300 return ac97->bus->ops->read(ac97, reg); 301} 302 303/* read a register - return the cached value if already read */ 304static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) 305{ 306 if (! test_bit(reg, ac97->reg_accessed)) { 307 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); 308 // set_bit(reg, ac97->reg_accessed); 309 } 310 return ac97->regs[reg]; 311} 312 313EXPORT_SYMBOL(snd_ac97_read); 314 315/** 316 * snd_ac97_write_cache - write a value on the given register and update the cache 317 * @ac97: the ac97 instance 318 * @reg: the register to change 319 * @value: the value to set 320 * 321 * Writes a value on the given register and updates the register 322 * cache. The cached values are used for the cached-read and the 323 * suspend/resume. 324 */ 325void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 326{ 327 if (!snd_ac97_valid_reg(ac97, reg)) 328 return; 329 guard(mutex)(&ac97->reg_mutex); 330 ac97->regs[reg] = value; 331 ac97->bus->ops->write(ac97, reg, value); 332 set_bit(reg, ac97->reg_accessed); 333} 334 335EXPORT_SYMBOL(snd_ac97_write_cache); 336 337/** 338 * snd_ac97_update - update the value on the given register 339 * @ac97: the ac97 instance 340 * @reg: the register to change 341 * @value: the value to set 342 * 343 * Compares the value with the register cache and updates the value 344 * only when the value is changed. 345 * 346 * Return: 1 if the value is changed, 0 if no change, or a negative 347 * code on failure. 348 */ 349int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) 350{ 351 int change; 352 353 if (!snd_ac97_valid_reg(ac97, reg)) 354 return -EINVAL; 355 guard(mutex)(&ac97->reg_mutex); 356 change = ac97->regs[reg] != value; 357 if (change) { 358 ac97->regs[reg] = value; 359 ac97->bus->ops->write(ac97, reg, value); 360 } 361 set_bit(reg, ac97->reg_accessed); 362 return change; 363} 364 365EXPORT_SYMBOL(snd_ac97_update); 366 367/** 368 * snd_ac97_update_bits - update the bits on the given register 369 * @ac97: the ac97 instance 370 * @reg: the register to change 371 * @mask: the bit-mask to change 372 * @value: the value to set 373 * 374 * Updates the masked-bits on the given register only when the value 375 * is changed. 376 * 377 * Return: 1 if the bits are changed, 0 if no change, or a negative 378 * code on failure. 379 */ 380int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) 381{ 382 if (!snd_ac97_valid_reg(ac97, reg)) 383 return -EINVAL; 384 guard(mutex)(&ac97->reg_mutex); 385 return snd_ac97_update_bits_nolock(ac97, reg, mask, value); 386} 387 388EXPORT_SYMBOL(snd_ac97_update_bits); 389 390/* no lock version - see snd_ac97_update_bits() */ 391int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, 392 unsigned short mask, unsigned short value) 393{ 394 int change; 395 unsigned short old, new; 396 397 old = snd_ac97_read_cache(ac97, reg); 398 new = (old & ~mask) | (value & mask); 399 change = old != new; 400 if (change) { 401 ac97->regs[reg] = new; 402 ac97->bus->ops->write(ac97, reg, new); 403 } 404 set_bit(reg, ac97->reg_accessed); 405 return change; 406} 407 408static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) 409{ 410 int change; 411 unsigned short old, new, cfg; 412 413 guard(mutex)(&ac97->page_mutex); 414 old = ac97->spec.ad18xx.pcmreg[codec]; 415 new = (old & ~mask) | (value & mask); 416 change = old != new; 417 if (change) { 418 guard(mutex)(&ac97->reg_mutex); 419 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); 420 ac97->spec.ad18xx.pcmreg[codec] = new; 421 /* select single codec */ 422 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 423 (cfg & ~0x7000) | 424 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); 425 /* update PCM bits */ 426 ac97->bus->ops->write(ac97, AC97_PCM, new); 427 /* select all codecs */ 428 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, 429 cfg | 0x7000); 430 } 431 return change; 432} 433 434/* 435 * Controls 436 */ 437 438static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, 439 struct snd_ctl_elem_info *uinfo) 440{ 441 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 442 443 return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2, 444 e->mask, e->texts); 445} 446 447static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, 448 struct snd_ctl_elem_value *ucontrol) 449{ 450 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 451 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 452 unsigned short val, bitmask; 453 454 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 455 ; 456 val = snd_ac97_read_cache(ac97, e->reg); 457 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); 458 if (e->shift_l != e->shift_r) 459 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); 460 461 return 0; 462} 463 464static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, 465 struct snd_ctl_elem_value *ucontrol) 466{ 467 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 468 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; 469 unsigned short val; 470 unsigned short mask, bitmask; 471 472 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) 473 ; 474 if (ucontrol->value.enumerated.item[0] > e->mask - 1) 475 return -EINVAL; 476 val = ucontrol->value.enumerated.item[0] << e->shift_l; 477 mask = (bitmask - 1) << e->shift_l; 478 if (e->shift_l != e->shift_r) { 479 if (ucontrol->value.enumerated.item[1] > e->mask - 1) 480 return -EINVAL; 481 val |= ucontrol->value.enumerated.item[1] << e->shift_r; 482 mask |= (bitmask - 1) << e->shift_r; 483 } 484 return snd_ac97_update_bits(ac97, e->reg, mask, val); 485} 486 487/* save/restore ac97 v2.3 paging */ 488static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) 489{ 490 int page_save = -1; 491 if ((kcontrol->private_value & (1<<25)) && 492 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && 493 (reg >= 0x60 && reg < 0x70)) { 494 unsigned short page = (kcontrol->private_value >> 26) & 0x0f; 495 mutex_lock(&ac97->page_mutex); /* lock paging */ 496 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; 497 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); 498 } 499 return page_save; 500} 501 502static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) 503{ 504 if (page_save >= 0) { 505 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); 506 mutex_unlock(&ac97->page_mutex); /* unlock paging */ 507 } 508} 509 510/* volume and switch controls */ 511static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, 512 struct snd_ctl_elem_info *uinfo) 513{ 514 int mask = (kcontrol->private_value >> 16) & 0xff; 515 int shift = (kcontrol->private_value >> 8) & 0x0f; 516 int rshift = (kcontrol->private_value >> 12) & 0x0f; 517 518 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 519 uinfo->count = shift == rshift ? 1 : 2; 520 uinfo->value.integer.min = 0; 521 uinfo->value.integer.max = mask; 522 return 0; 523} 524 525static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, 526 struct snd_ctl_elem_value *ucontrol) 527{ 528 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 529 int reg = kcontrol->private_value & 0xff; 530 int shift = (kcontrol->private_value >> 8) & 0x0f; 531 int rshift = (kcontrol->private_value >> 12) & 0x0f; 532 int mask = (kcontrol->private_value >> 16) & 0xff; 533 int invert = (kcontrol->private_value >> 24) & 0x01; 534 int page_save; 535 536 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 537 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; 538 if (shift != rshift) 539 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; 540 if (invert) { 541 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 542 if (shift != rshift) 543 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 544 } 545 snd_ac97_page_restore(ac97, page_save); 546 return 0; 547} 548 549static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, 550 struct snd_ctl_elem_value *ucontrol) 551{ 552 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 553 int reg = kcontrol->private_value & 0xff; 554 int shift = (kcontrol->private_value >> 8) & 0x0f; 555 int rshift = (kcontrol->private_value >> 12) & 0x0f; 556 int mask = (kcontrol->private_value >> 16) & 0xff; 557 int invert = (kcontrol->private_value >> 24) & 0x01; 558 int err, page_save; 559 unsigned short val, val2, val_mask; 560 561 page_save = snd_ac97_page_save(ac97, reg, kcontrol); 562 val = (ucontrol->value.integer.value[0] & mask); 563 if (invert) 564 val = mask - val; 565 val_mask = mask << shift; 566 val = val << shift; 567 if (shift != rshift) { 568 val2 = (ucontrol->value.integer.value[1] & mask); 569 if (invert) 570 val2 = mask - val2; 571 val_mask |= mask << rshift; 572 val |= val2 << rshift; 573 } 574 err = snd_ac97_update_bits(ac97, reg, val_mask, val); 575 snd_ac97_page_restore(ac97, page_save); 576#ifdef CONFIG_SND_AC97_POWER_SAVE 577 /* check analog mixer power-down */ 578 if ((val_mask & AC97_PD_EAPD) && 579 (kcontrol->private_value & (1<<30))) { 580 if (val & AC97_PD_EAPD) 581 ac97->power_up &= ~(1 << (reg>>1)); 582 else 583 ac97->power_up |= 1 << (reg>>1); 584 update_power_regs(ac97); 585 } 586#endif 587 return err; 588} 589 590static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { 591AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), 592AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) 593}; 594 595static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { 596AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1), 597AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1) 598}; 599 600static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = 601 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); 602 603 604static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; 605static const char* std_3d_path[] = {"pre 3D", "post 3D"}; 606static const char* std_mix[] = {"Mix", "Mic"}; 607static const char* std_mic[] = {"Mic1", "Mic2"}; 608 609static const struct ac97_enum std_enum[] = { 610AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), 611AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), 612AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), 613AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), 614}; 615 616static const struct snd_kcontrol_new snd_ac97_control_capture_src = 617AC97_ENUM("Capture Source", std_enum[0]); 618 619static const struct snd_kcontrol_new snd_ac97_control_capture_vol = 620AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); 621 622static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { 623AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), 624AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) 625}; 626 627enum { 628 AC97_GENERAL_PCM_OUT = 0, 629 AC97_GENERAL_STEREO_ENHANCEMENT, 630 AC97_GENERAL_3D, 631 AC97_GENERAL_LOUDNESS, 632 AC97_GENERAL_MONO, 633 AC97_GENERAL_MIC, 634 AC97_GENERAL_LOOPBACK 635}; 636 637static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { 638AC97_ENUM("PCM Out Path & Mute", std_enum[1]), 639AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), 640AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), 641AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), 642AC97_ENUM("Mono Output Select", std_enum[2]), 643AC97_ENUM("Mic Select", std_enum[3]), 644AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) 645}; 646 647static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { 648AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), 649AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) 650}; 651 652static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { 653AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), 654AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) 655}; 656 657static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { 658AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), 659AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) 660}; 661 662static const struct snd_kcontrol_new snd_ac97_control_eapd = 663AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); 664 665static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { 666AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), 667AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) 668}; 669 670/* change the existing EAPD control as inverted */ 671static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) 672{ 673 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); 674 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ 675 ac97->scaps |= AC97_SCAP_INV_EAPD; 676} 677 678static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 679{ 680 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 681 uinfo->count = 1; 682 return 0; 683} 684 685static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 686{ 687 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 688 IEC958_AES0_NONAUDIO | 689 IEC958_AES0_CON_EMPHASIS_5015 | 690 IEC958_AES0_CON_NOT_COPYRIGHT; 691 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | 692 IEC958_AES1_CON_ORIGINAL; 693 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; 694 return 0; 695} 696 697static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 698{ 699 /* FIXME: AC'97 spec doesn't say which bits are used for what */ 700 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | 701 IEC958_AES0_NONAUDIO | 702 IEC958_AES0_PRO_FS | 703 IEC958_AES0_PRO_EMPHASIS_5015; 704 return 0; 705} 706 707static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 708{ 709 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 710 711 guard(mutex)(&ac97->reg_mutex); 712 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; 713 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; 714 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; 715 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; 716 return 0; 717} 718 719static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 720{ 721 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 722 unsigned int new = 0; 723 unsigned short val = 0; 724 int change; 725 726 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); 727 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { 728 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); 729 switch (new & IEC958_AES0_PRO_FS) { 730 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; 731 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; 732 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; 733 default: val |= 1<<12; break; 734 } 735 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) 736 val |= 1<<3; 737 } else { 738 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); 739 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); 740 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); 741 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) 742 val |= 1<<3; 743 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) 744 val |= 1<<2; 745 val |= ((new >> 8) & 0xff) << 4; // category + original 746 switch ((new >> 24) & 0xff) { 747 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; 748 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; 749 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; 750 default: val |= 1<<12; break; 751 } 752 } 753 754 guard(mutex)(&ac97->reg_mutex); 755 change = ac97->spdif_status != new; 756 ac97->spdif_status = new; 757 758 if (ac97->flags & AC97_CS_SPDIF) { 759 int x = (val >> 12) & 0x03; 760 switch (x) { 761 case 0: x = 1; break; // 44.1 762 case 2: x = 0; break; // 48.0 763 default: x = 0; break; // illegal. 764 } 765 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); 766 } else if (ac97->flags & AC97_CX_SPDIF) { 767 int v; 768 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; 769 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; 770 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 771 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, 772 v); 773 } else if (ac97->id == AC97_ID_YMF743) { 774 change |= snd_ac97_update_bits_nolock(ac97, 775 AC97_YMF7X3_DIT_CTRL, 776 0xff38, 777 ((val << 4) & 0xff00) | 778 ((val << 2) & 0x0038)); 779 } else { 780 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 781 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 782 783 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); 784 if (extst & AC97_EA_SPDIF) { 785 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 786 } 787 } 788 789 return change; 790} 791 792static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 793{ 794 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 795 int reg = kcontrol->private_value & 0xff; 796 int shift = (kcontrol->private_value >> 8) & 0x0f; 797 int mask = (kcontrol->private_value >> 16) & 0xff; 798 // int invert = (kcontrol->private_value >> 24) & 0xff; 799 unsigned short value, old, new; 800 int change; 801 802 value = (ucontrol->value.integer.value[0] & mask); 803 804 guard(mutex)(&ac97->reg_mutex); 805 mask <<= shift; 806 value <<= shift; 807 old = snd_ac97_read_cache(ac97, reg); 808 new = (old & ~mask) | value; 809 change = old != new; 810 811 if (change) { 812 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); 813 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ 814 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); 815 if (extst & AC97_EA_SPDIF) 816 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 817 } 818 return change; 819} 820 821static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { 822 { 823 .access = SNDRV_CTL_ELEM_ACCESS_READ, 824 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 825 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), 826 .info = snd_ac97_spdif_mask_info, 827 .get = snd_ac97_spdif_cmask_get, 828 }, 829 { 830 .access = SNDRV_CTL_ELEM_ACCESS_READ, 831 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 832 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), 833 .info = snd_ac97_spdif_mask_info, 834 .get = snd_ac97_spdif_pmask_get, 835 }, 836 { 837 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 838 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 839 .info = snd_ac97_spdif_mask_info, 840 .get = snd_ac97_spdif_default_get, 841 .put = snd_ac97_spdif_default_put, 842 }, 843 844 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), 845 { 846 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 847 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", 848 .info = snd_ac97_info_volsw, 849 .get = snd_ac97_get_volsw, 850 .put = snd_ac97_put_spsa, 851 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) 852 }, 853}; 854 855#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ 856{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ 857 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ 858 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } 859 860static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 861{ 862 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 863 int mask = (kcontrol->private_value >> 16) & 0x0f; 864 int lshift = (kcontrol->private_value >> 8) & 0x0f; 865 int rshift = (kcontrol->private_value >> 12) & 0x0f; 866 867 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 868 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 869 uinfo->count = 2; 870 else 871 uinfo->count = 1; 872 uinfo->value.integer.min = 0; 873 uinfo->value.integer.max = mask; 874 return 0; 875} 876 877static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 878{ 879 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 880 int codec = kcontrol->private_value & 3; 881 int lshift = (kcontrol->private_value >> 8) & 0x0f; 882 int rshift = (kcontrol->private_value >> 12) & 0x0f; 883 int mask = (kcontrol->private_value >> 16) & 0xff; 884 885 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); 886 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) 887 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); 888 return 0; 889} 890 891static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 892{ 893 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 894 int codec = kcontrol->private_value & 3; 895 int lshift = (kcontrol->private_value >> 8) & 0x0f; 896 int rshift = (kcontrol->private_value >> 12) & 0x0f; 897 int mask = (kcontrol->private_value >> 16) & 0xff; 898 unsigned short val, valmask; 899 900 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; 901 valmask = mask << lshift; 902 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { 903 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; 904 valmask |= mask << rshift; 905 } 906 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); 907} 908 909#define AD18XX_PCM_VOLUME(xname, codec) \ 910{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ 911 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ 912 .private_value = codec } 913 914static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 915{ 916 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 917 uinfo->count = 2; 918 uinfo->value.integer.min = 0; 919 uinfo->value.integer.max = 31; 920 return 0; 921} 922 923static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 924{ 925 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 926 int codec = kcontrol->private_value & 3; 927 928 guard(mutex)(&ac97->page_mutex); 929 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); 930 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); 931 return 0; 932} 933 934static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 935{ 936 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 937 int codec = kcontrol->private_value & 3; 938 unsigned short val1, val2; 939 940 val1 = 31 - (ucontrol->value.integer.value[0] & 31); 941 val2 = 31 - (ucontrol->value.integer.value[1] & 31); 942 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); 943} 944 945static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { 946AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), 947AD18XX_PCM_VOLUME("PCM Playback Volume", 0) 948}; 949 950static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { 951AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), 952AD18XX_PCM_VOLUME("Surround Playback Volume", 1) 953}; 954 955static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { 956AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), 957AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) 958}; 959 960static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { 961AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), 962AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) 963}; 964 965/* 966 * 967 */ 968 969static void snd_ac97_powerdown(struct snd_ac97 *ac97); 970 971static int snd_ac97_bus_free(struct snd_ac97_bus *bus) 972{ 973 if (bus) { 974 snd_ac97_bus_proc_done(bus); 975 kfree(bus->pcms); 976 if (bus->private_free) 977 bus->private_free(bus); 978 kfree(bus); 979 } 980 return 0; 981} 982 983static int snd_ac97_bus_dev_free(struct snd_device *device) 984{ 985 struct snd_ac97_bus *bus = device->device_data; 986 return snd_ac97_bus_free(bus); 987} 988 989static int snd_ac97_free(struct snd_ac97 *ac97) 990{ 991 if (ac97) { 992#ifdef CONFIG_SND_AC97_POWER_SAVE 993 cancel_delayed_work_sync(&ac97->power_work); 994#endif 995 snd_ac97_proc_done(ac97); 996 if (ac97->bus) 997 ac97->bus->codec[ac97->num] = NULL; 998 if (ac97->private_free) 999 ac97->private_free(ac97); 1000 kfree(ac97); 1001 } 1002 return 0; 1003} 1004 1005static int snd_ac97_dev_free(struct snd_device *device) 1006{ 1007 struct snd_ac97 *ac97 = device->device_data; 1008 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ 1009 return snd_ac97_free(ac97); 1010} 1011 1012static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) 1013{ 1014 unsigned short val, mask = AC97_MUTE_MASK_MONO; 1015 1016 if (! snd_ac97_valid_reg(ac97, reg)) 1017 return 0; 1018 1019 switch (reg) { 1020 case AC97_MASTER_TONE: 1021 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0; 1022 case AC97_HEADPHONE: 1023 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0; 1024 case AC97_REC_GAIN_MIC: 1025 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0; 1026 case AC97_3D_CONTROL: 1027 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) { 1028 val = snd_ac97_read(ac97, reg); 1029 /* if nonzero - fixed and we can't set it */ 1030 return val == 0; 1031 } 1032 return 0; 1033 case AC97_CENTER_LFE_MASTER: /* center */ 1034 if ((ac97->ext_id & AC97_EI_CDAC) == 0) 1035 return 0; 1036 break; 1037 case AC97_CENTER_LFE_MASTER+1: /* lfe */ 1038 if ((ac97->ext_id & AC97_EI_LDAC) == 0) 1039 return 0; 1040 reg = AC97_CENTER_LFE_MASTER; 1041 mask = 0x0080; 1042 break; 1043 case AC97_SURROUND_MASTER: 1044 if ((ac97->ext_id & AC97_EI_SDAC) == 0) 1045 return 0; 1046 break; 1047 } 1048 1049 val = snd_ac97_read(ac97, reg); 1050 if (!(val & mask)) { 1051 /* nothing seems to be here - mute flag is not set */ 1052 /* try another test */ 1053 snd_ac97_write_cache(ac97, reg, val | mask); 1054 val = snd_ac97_read(ac97, reg); 1055 val = snd_ac97_read(ac97, reg); 1056 if (!(val & mask)) 1057 return 0; /* nothing here */ 1058 } 1059 return 1; /* success, useable */ 1060} 1061 1062static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) 1063{ 1064 unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; 1065 unsigned char max[3] = { 63, 31, 15 }; 1066 int i; 1067 1068 /* first look up the static resolution table */ 1069 if (ac97->res_table) { 1070 const struct snd_ac97_res_table *tbl; 1071 for (tbl = ac97->res_table; tbl->reg; tbl++) { 1072 if (tbl->reg == reg) { 1073 *lo_max = tbl->bits & 0xff; 1074 *hi_max = (tbl->bits >> 8) & 0xff; 1075 return; 1076 } 1077 } 1078 } 1079 1080 *lo_max = *hi_max = 0; 1081 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { 1082 unsigned short val; 1083 snd_ac97_write( 1084 ac97, reg, 1085 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8) 1086 ); 1087 /* Do the read twice due to buffers on some ac97 codecs. 1088 * e.g. The STAC9704 returns exactly what you wrote to the register 1089 * if you read it immediately. This causes the detect routine to fail. 1090 */ 1091 val = snd_ac97_read(ac97, reg); 1092 val = snd_ac97_read(ac97, reg); 1093 if (! *lo_max && (val & 0x7f) == cbit[i]) 1094 *lo_max = max[i]; 1095 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) 1096 *hi_max = max[i]; 1097 if (*lo_max && *hi_max) 1098 break; 1099 } 1100} 1101 1102static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) 1103{ 1104 unsigned short mask, val, orig, res; 1105 1106 mask = 1 << bit; 1107 orig = snd_ac97_read(ac97, reg); 1108 val = orig ^ mask; 1109 snd_ac97_write(ac97, reg, val); 1110 res = snd_ac97_read(ac97, reg); 1111 snd_ac97_write_cache(ac97, reg, orig); 1112 return res == val; 1113} 1114 1115/* check the volume resolution of center/lfe */ 1116static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) 1117{ 1118 unsigned short val, val1; 1119 1120 *max = 63; 1121 val = AC97_MUTE_MASK_STEREO | (0x20 << shift); 1122 snd_ac97_write(ac97, reg, val); 1123 val1 = snd_ac97_read(ac97, reg); 1124 if (val != val1) { 1125 *max = 31; 1126 } 1127 /* reset volume to zero */ 1128 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO); 1129} 1130 1131static inline int printable(unsigned int x) 1132{ 1133 x &= 0xff; 1134 if (x < ' ' || x >= 0x71) { 1135 if (x <= 0x89) 1136 return x - 0x71 + 'A'; 1137 return '?'; 1138 } 1139 return x; 1140} 1141 1142static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, 1143 struct snd_ac97 * ac97) 1144{ 1145 struct snd_kcontrol_new template; 1146 memcpy(&template, _template, sizeof(template)); 1147 template.index = ac97->num; 1148 return snd_ctl_new1(&template, ac97); 1149} 1150 1151/* 1152 * create mute switch(es) for normal stereo controls 1153 */ 1154static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, 1155 int check_stereo, int check_amix, 1156 struct snd_ac97 *ac97) 1157{ 1158 struct snd_kcontrol *kctl; 1159 int err; 1160 unsigned short val, val1, mute_mask; 1161 1162 if (! snd_ac97_valid_reg(ac97, reg)) 1163 return 0; 1164 1165 mute_mask = AC97_MUTE_MASK_MONO; 1166 val = snd_ac97_read(ac97, reg); 1167 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { 1168 /* check whether both mute bits work */ 1169 val1 = val | AC97_MUTE_MASK_STEREO; 1170 snd_ac97_write(ac97, reg, val1); 1171 if (val1 == snd_ac97_read(ac97, reg)) 1172 mute_mask = AC97_MUTE_MASK_STEREO; 1173 } 1174 if (mute_mask == AC97_MUTE_MASK_STEREO) { 1175 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); 1176 if (check_amix) 1177 tmp.private_value |= (1 << 30); 1178 tmp.index = ac97->num; 1179 kctl = snd_ctl_new1(&tmp, ac97); 1180 } else { 1181 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); 1182 if (check_amix) 1183 tmp.private_value |= (1 << 30); 1184 tmp.index = ac97->num; 1185 kctl = snd_ctl_new1(&tmp, ac97); 1186 } 1187 err = snd_ctl_add(card, kctl); 1188 if (err < 0) 1189 return err; 1190 /* mute as default */ 1191 snd_ac97_write_cache(ac97, reg, val | mute_mask); 1192 return 0; 1193} 1194 1195/* 1196 * set dB information 1197 */ 1198static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 1199static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 1200static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 1201static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 1202static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 1203 1204static const unsigned int *find_db_scale(unsigned int maxval) 1205{ 1206 switch (maxval) { 1207 case 0x0f: return db_scale_4bit; 1208 case 0x1f: return db_scale_5bit; 1209 case 0x3f: return db_scale_6bit; 1210 } 1211 return NULL; 1212} 1213 1214static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv) 1215{ 1216 kctl->tlv.p = tlv; 1217 if (tlv) 1218 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1219} 1220 1221/* 1222 * create a volume for normal stereo/mono controls 1223 */ 1224static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, 1225 unsigned int hi_max, struct snd_ac97 *ac97) 1226{ 1227 int err; 1228 struct snd_kcontrol *kctl; 1229 1230 if (! snd_ac97_valid_reg(ac97, reg)) 1231 return 0; 1232 if (hi_max) { 1233 /* invert */ 1234 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); 1235 tmp.index = ac97->num; 1236 kctl = snd_ctl_new1(&tmp, ac97); 1237 } else { 1238 /* invert */ 1239 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); 1240 tmp.index = ac97->num; 1241 kctl = snd_ctl_new1(&tmp, ac97); 1242 } 1243 if (!kctl) 1244 return -ENOMEM; 1245 if (reg >= AC97_PHONE && reg <= AC97_PCM) 1246 set_tlv_db_scale(kctl, db_scale_5bit_12db_max); 1247 else 1248 set_tlv_db_scale(kctl, find_db_scale(lo_max)); 1249 err = snd_ctl_add(card, kctl); 1250 if (err < 0) 1251 return err; 1252 snd_ac97_write_cache( 1253 ac97, reg, 1254 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO) 1255 | lo_max | (hi_max << 8) 1256 ); 1257 return 0; 1258} 1259 1260/* 1261 * create a mute-switch and a volume for normal stereo/mono controls 1262 */ 1263static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, 1264 int reg, int check_stereo, int check_amix, 1265 struct snd_ac97 *ac97) 1266{ 1267 int err; 1268 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 1269 unsigned char lo_max, hi_max; 1270 1271 if (! snd_ac97_valid_reg(ac97, reg)) 1272 return 0; 1273 1274 if (snd_ac97_try_bit(ac97, reg, 15)) { 1275 sprintf(name, "%s Switch", pfx); 1276 err = snd_ac97_cmute_new_stereo(card, name, reg, 1277 check_stereo, check_amix, 1278 ac97); 1279 if (err < 0) 1280 return err; 1281 } 1282 check_volume_resolution(ac97, reg, &lo_max, &hi_max); 1283 if (lo_max) { 1284 sprintf(name, "%s Volume", pfx); 1285 err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97); 1286 if (err < 0) 1287 return err; 1288 } 1289 return 0; 1290} 1291 1292#define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ 1293 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) 1294#define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ 1295 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) 1296 1297static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); 1298 1299static int snd_ac97_mixer_build(struct snd_ac97 * ac97) 1300{ 1301 struct snd_card *card = ac97->bus->card; 1302 struct snd_kcontrol *kctl; 1303 int err; 1304 unsigned int idx; 1305 unsigned char max; 1306 1307 /* build master controls */ 1308 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ 1309 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { 1310 if (ac97->flags & AC97_HAS_NO_MASTER_VOL) 1311 err = snd_ac97_cmute_new(card, "Master Playback Switch", 1312 AC97_MASTER, 0, ac97); 1313 else 1314 err = snd_ac97_cmix_new(card, "Master Playback", 1315 AC97_MASTER, 0, ac97); 1316 if (err < 0) 1317 return err; 1318 } 1319 1320 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO; 1321 1322 /* build center controls */ 1323 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1324 && !(ac97->flags & AC97_AD_MULTI)) { 1325 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97)); 1326 if (err < 0) 1327 return err; 1328 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97)); 1329 if (err < 0) 1330 return err; 1331 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); 1332 kctl->private_value &= ~(0xff << 16); 1333 kctl->private_value |= (int)max << 16; 1334 set_tlv_db_scale(kctl, find_db_scale(max)); 1335 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); 1336 } 1337 1338 /* build LFE controls */ 1339 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) 1340 && !(ac97->flags & AC97_AD_MULTI)) { 1341 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97)); 1342 if (err < 0) 1343 return err; 1344 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97)); 1345 if (err < 0) 1346 return err; 1347 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); 1348 kctl->private_value &= ~(0xff << 16); 1349 kctl->private_value |= (int)max << 16; 1350 set_tlv_db_scale(kctl, find_db_scale(max)); 1351 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); 1352 } 1353 1354 /* build surround controls */ 1355 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1356 && !(ac97->flags & AC97_AD_MULTI)) { 1357 /* Surround Master (0x38) is with stereo mutes */ 1358 err = snd_ac97_cmix_new_stereo(card, "Surround Playback", 1359 AC97_SURROUND_MASTER, 1, 0, 1360 ac97); 1361 if (err < 0) 1362 return err; 1363 } 1364 1365 /* build headphone controls */ 1366 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { 1367 err = snd_ac97_cmix_new(card, "Headphone Playback", 1368 AC97_HEADPHONE, 0, ac97); 1369 if (err < 0) 1370 return err; 1371 } 1372 1373 /* build master mono controls */ 1374 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { 1375 err = snd_ac97_cmix_new(card, "Master Mono Playback", 1376 AC97_MASTER_MONO, 0, ac97); 1377 if (err < 0) 1378 return err; 1379 } 1380 1381 /* build master tone controls */ 1382 if (!(ac97->flags & AC97_HAS_NO_TONE)) { 1383 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { 1384 for (idx = 0; idx < 2; idx++) { 1385 kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97); 1386 err = snd_ctl_add(card, kctl); 1387 if (err < 0) 1388 return err; 1389 if (ac97->id == AC97_ID_YMF743 || 1390 ac97->id == AC97_ID_YMF753) { 1391 kctl->private_value &= ~(0xff << 16); 1392 kctl->private_value |= 7 << 16; 1393 } 1394 } 1395 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); 1396 } 1397 } 1398 1399 /* build Beep controls */ 1400 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1401 ((ac97->flags & AC97_HAS_PC_BEEP) || 1402 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { 1403 for (idx = 0; idx < 2; idx++) { 1404 kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97); 1405 err = snd_ctl_add(card, kctl); 1406 if (err < 0) 1407 return err; 1408 } 1409 set_tlv_db_scale(kctl, db_scale_4bit); 1410 snd_ac97_write_cache( 1411 ac97, 1412 AC97_PC_BEEP, 1413 (snd_ac97_read(ac97, AC97_PC_BEEP) 1414 | AC97_MUTE_MASK_MONO | 0x001e) 1415 ); 1416 } 1417 1418 /* build Phone controls */ 1419 if (!(ac97->flags & AC97_HAS_NO_PHONE)) { 1420 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { 1421 err = snd_ac97_cmix_new(card, "Phone Playback", 1422 AC97_PHONE, 1, ac97); 1423 if (err < 0) 1424 return err; 1425 } 1426 } 1427 1428 /* build MIC controls */ 1429 if (!(ac97->flags & AC97_HAS_NO_MIC)) { 1430 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { 1431 err = snd_ac97_cmix_new(card, "Mic Playback", 1432 AC97_MIC, 1, ac97); 1433 if (err < 0) 1434 return err; 1435 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97)); 1436 if (err < 0) 1437 return err; 1438 } 1439 } 1440 1441 /* build Line controls */ 1442 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { 1443 err = snd_ac97_cmix_new(card, "Line Playback", 1444 AC97_LINE, 1, ac97); 1445 if (err < 0) 1446 return err; 1447 } 1448 1449 /* build CD controls */ 1450 if (!(ac97->flags & AC97_HAS_NO_CD)) { 1451 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { 1452 err = snd_ac97_cmix_new(card, "CD Playback", 1453 AC97_CD, 1, ac97); 1454 if (err < 0) 1455 return err; 1456 } 1457 } 1458 1459 /* build Video controls */ 1460 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { 1461 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { 1462 err = snd_ac97_cmix_new(card, "Video Playback", 1463 AC97_VIDEO, 1, ac97); 1464 if (err < 0) 1465 return err; 1466 } 1467 } 1468 1469 /* build Aux controls */ 1470 if (!(ac97->flags & AC97_HAS_NO_AUX)) { 1471 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { 1472 err = snd_ac97_cmix_new(card, "Aux Playback", 1473 AC97_AUX, 1, ac97); 1474 if (err < 0) 1475 return err; 1476 } 1477 } 1478 1479 /* build PCM controls */ 1480 if (ac97->flags & AC97_AD_MULTI) { 1481 unsigned short init_val; 1482 if (ac97->flags & AC97_STEREO_MUTES) 1483 init_val = 0x9f9f; 1484 else 1485 init_val = 0x9f1f; 1486 for (idx = 0; idx < 2; idx++) { 1487 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97); 1488 err = snd_ctl_add(card, kctl); 1489 if (err < 0) 1490 return err; 1491 } 1492 set_tlv_db_scale(kctl, db_scale_5bit); 1493 ac97->spec.ad18xx.pcmreg[0] = init_val; 1494 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { 1495 for (idx = 0; idx < 2; idx++) { 1496 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97); 1497 err = snd_ctl_add(card, kctl); 1498 if (err < 0) 1499 return err; 1500 } 1501 set_tlv_db_scale(kctl, db_scale_5bit); 1502 ac97->spec.ad18xx.pcmreg[1] = init_val; 1503 } 1504 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { 1505 for (idx = 0; idx < 2; idx++) { 1506 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97); 1507 err = snd_ctl_add(card, kctl); 1508 if (err < 0) 1509 return err; 1510 } 1511 set_tlv_db_scale(kctl, db_scale_5bit); 1512 for (idx = 0; idx < 2; idx++) { 1513 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97); 1514 err = snd_ctl_add(card, kctl); 1515 if (err < 0) 1516 return err; 1517 } 1518 set_tlv_db_scale(kctl, db_scale_5bit); 1519 ac97->spec.ad18xx.pcmreg[2] = init_val; 1520 } 1521 snd_ac97_write_cache(ac97, AC97_PCM, init_val); 1522 } else { 1523 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { 1524 if (ac97->flags & AC97_HAS_NO_PCM_VOL) 1525 err = snd_ac97_cmute_new(card, 1526 "PCM Playback Switch", 1527 AC97_PCM, 0, ac97); 1528 else 1529 err = snd_ac97_cmix_new(card, "PCM Playback", 1530 AC97_PCM, 0, ac97); 1531 if (err < 0) 1532 return err; 1533 } 1534 } 1535 1536 /* build Capture controls */ 1537 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { 1538 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97)); 1539 if (err < 0) 1540 return err; 1541 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { 1542 err = snd_ac97_cmute_new(card, "Capture Switch", 1543 AC97_REC_GAIN, 0, ac97); 1544 if (err < 0) 1545 return err; 1546 } 1547 kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97); 1548 err = snd_ctl_add(card, kctl); 1549 if (err < 0) 1550 return err; 1551 set_tlv_db_scale(kctl, db_scale_rec_gain); 1552 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); 1553 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); 1554 } 1555 /* build MIC Capture controls */ 1556 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { 1557 for (idx = 0; idx < 2; idx++) { 1558 kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97); 1559 err = snd_ctl_add(card, kctl); 1560 if (err < 0) 1561 return err; 1562 } 1563 set_tlv_db_scale(kctl, db_scale_rec_gain); 1564 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); 1565 } 1566 1567 /* build PCM out path & mute control */ 1568 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { 1569 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97)); 1570 if (err < 0) 1571 return err; 1572 } 1573 1574 /* build Simulated Stereo Enhancement control */ 1575 if (ac97->caps & AC97_BC_SIM_STEREO) { 1576 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97)); 1577 if (err < 0) 1578 return err; 1579 } 1580 1581 /* build 3D Stereo Enhancement control */ 1582 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { 1583 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97)); 1584 if (err < 0) 1585 return err; 1586 } 1587 1588 /* build Loudness control */ 1589 if (ac97->caps & AC97_BC_LOUDNESS) { 1590 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97)); 1591 if (err < 0) 1592 return err; 1593 } 1594 1595 /* build Mono output select control */ 1596 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { 1597 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97)); 1598 if (err < 0) 1599 return err; 1600 } 1601 1602 /* build Mic select control */ 1603 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { 1604 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97)); 1605 if (err < 0) 1606 return err; 1607 } 1608 1609 /* build ADC/DAC loopback control */ 1610 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { 1611 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97)); 1612 if (err < 0) 1613 return err; 1614 } 1615 1616 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); 1617 1618 /* build 3D controls */ 1619 if (ac97->build_ops->build_3d) { 1620 ac97->build_ops->build_3d(ac97); 1621 } else { 1622 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { 1623 unsigned short val; 1624 val = 0x0707; 1625 snd_ac97_write(ac97, AC97_3D_CONTROL, val); 1626 val = snd_ac97_read(ac97, AC97_3D_CONTROL); 1627 val = val == 0x0606; 1628 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97); 1629 err = snd_ctl_add(card, kctl); 1630 if (err < 0) 1631 return err; 1632 if (val) 1633 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); 1634 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97); 1635 err = snd_ctl_add(card, kctl); 1636 if (err < 0) 1637 return err; 1638 if (val) 1639 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); 1640 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); 1641 } 1642 } 1643 1644 /* build S/PDIF controls */ 1645 1646 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ 1647 if (ac97->subsystem_vendor == 0x1043 && 1648 ac97->subsystem_device == 0x810f) 1649 ac97->ext_id |= AC97_EI_SPDIF; 1650 1651 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { 1652 if (ac97->build_ops->build_spdif) { 1653 err = ac97->build_ops->build_spdif(ac97); 1654 if (err < 0) 1655 return err; 1656 } else { 1657 for (idx = 0; idx < 5; idx++) { 1658 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97)); 1659 if (err < 0) 1660 return err; 1661 } 1662 if (ac97->build_ops->build_post_spdif) { 1663 err = ac97->build_ops->build_post_spdif(ac97); 1664 if (err < 0) 1665 return err; 1666 } 1667 /* set default PCM S/PDIF params */ 1668 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ 1669 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); 1670 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); 1671 } 1672 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; 1673 } 1674 1675 /* build chip specific controls */ 1676 if (ac97->build_ops->build_specific) { 1677 err = ac97->build_ops->build_specific(ac97); 1678 if (err < 0) 1679 return err; 1680 } 1681 1682 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { 1683 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); 1684 if (! kctl) 1685 return -ENOMEM; 1686 if (ac97->scaps & AC97_SCAP_INV_EAPD) 1687 set_inv_eapd(ac97, kctl); 1688 err = snd_ctl_add(card, kctl); 1689 if (err < 0) 1690 return err; 1691 } 1692 1693 return 0; 1694} 1695 1696static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) 1697{ 1698 int err, idx; 1699 1700 /* 1701 ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n", 1702 snd_ac97_read(ac97,AC97_GPIO_CFG)); 1703 */ 1704 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1705 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); 1706 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); 1707 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); 1708 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); 1709 1710 /* build modem switches */ 1711 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) { 1712 err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97)); 1713 if (err < 0) 1714 return err; 1715 } 1716 1717 /* build chip specific controls */ 1718 if (ac97->build_ops->build_specific) { 1719 err = ac97->build_ops->build_specific(ac97); 1720 if (err < 0) 1721 return err; 1722 } 1723 1724 return 0; 1725} 1726 1727static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) 1728{ 1729 unsigned short val; 1730 unsigned int tmp; 1731 1732 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; 1733 snd_ac97_write_cache(ac97, reg, tmp & 0xffff); 1734 if (shadow_reg) 1735 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); 1736 val = snd_ac97_read(ac97, reg); 1737 return val == (tmp & 0xffff); 1738} 1739 1740static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) 1741{ 1742 unsigned int result = 0; 1743 unsigned short saved; 1744 1745 if (ac97->bus->no_vra) { 1746 *r_result = SNDRV_PCM_RATE_48000; 1747 if ((ac97->flags & AC97_DOUBLE_RATE) && 1748 reg == AC97_PCM_FRONT_DAC_RATE) 1749 *r_result |= SNDRV_PCM_RATE_96000; 1750 return; 1751 } 1752 1753 saved = snd_ac97_read(ac97, reg); 1754 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) 1755 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1756 AC97_EA_DRA, 0); 1757 /* test a non-standard rate */ 1758 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) 1759 result |= SNDRV_PCM_RATE_CONTINUOUS; 1760 /* let's try to obtain standard rates */ 1761 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) 1762 result |= SNDRV_PCM_RATE_8000; 1763 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) 1764 result |= SNDRV_PCM_RATE_11025; 1765 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) 1766 result |= SNDRV_PCM_RATE_16000; 1767 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) 1768 result |= SNDRV_PCM_RATE_22050; 1769 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) 1770 result |= SNDRV_PCM_RATE_32000; 1771 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) 1772 result |= SNDRV_PCM_RATE_44100; 1773 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) 1774 result |= SNDRV_PCM_RATE_48000; 1775 if ((ac97->flags & AC97_DOUBLE_RATE) && 1776 reg == AC97_PCM_FRONT_DAC_RATE) { 1777 /* test standard double rates */ 1778 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1779 AC97_EA_DRA, AC97_EA_DRA); 1780 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) 1781 result |= SNDRV_PCM_RATE_64000; 1782 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) 1783 result |= SNDRV_PCM_RATE_88200; 1784 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) 1785 result |= SNDRV_PCM_RATE_96000; 1786 /* some codecs don't support variable double rates */ 1787 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) 1788 result &= ~SNDRV_PCM_RATE_CONTINUOUS; 1789 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, 1790 AC97_EA_DRA, 0); 1791 } 1792 /* restore the default value */ 1793 snd_ac97_write_cache(ac97, reg, saved); 1794 if (shadow_reg) 1795 snd_ac97_write_cache(ac97, shadow_reg, saved); 1796 *r_result = result; 1797} 1798 1799/* check AC97_SPDIF register to accept which sample rates */ 1800static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) 1801{ 1802 unsigned int result = 0; 1803 int i; 1804 static const unsigned short ctl_bits[] = { 1805 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K 1806 }; 1807 static const unsigned int rate_bits[] = { 1808 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 1809 }; 1810 1811 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { 1812 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); 1813 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) 1814 result |= rate_bits[i]; 1815 } 1816 return result; 1817} 1818 1819/* look for the codec id table matching with the given id */ 1820static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, 1821 unsigned int id) 1822{ 1823 const struct ac97_codec_id *pid; 1824 1825 for (pid = table; pid->id; pid++) 1826 if (pid->id == (id & pid->mask)) 1827 return pid; 1828 return NULL; 1829} 1830 1831void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, 1832 size_t maxlen, int modem) 1833{ 1834 const struct ac97_codec_id *pid; 1835 1836 sprintf(name, "0x%x %c%c%c", id, 1837 printable(id >> 24), 1838 printable(id >> 16), 1839 printable(id >> 8)); 1840 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); 1841 if (! pid) 1842 return; 1843 1844 strscpy(name, pid->name, maxlen); 1845 if (ac97 && pid->patch) { 1846 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1847 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1848 pid->patch(ac97); 1849 } 1850 1851 pid = look_for_codec_id(snd_ac97_codec_ids, id); 1852 if (pid) { 1853 strlcat(name, " ", maxlen); 1854 strlcat(name, pid->name, maxlen); 1855 if (pid->mask != 0xffffffff) 1856 sprintf(name + strlen(name), " rev %u", id & ~pid->mask); 1857 if (ac97 && pid->patch) { 1858 if ((modem && (pid->flags & AC97_MODEM_PATCH)) || 1859 (! modem && ! (pid->flags & AC97_MODEM_PATCH))) 1860 pid->patch(ac97); 1861 } 1862 } else { 1863 int l = strlen(name); 1864 snprintf(name + l, maxlen - l, " id %x", id & 0xff); 1865 } 1866} 1867 1868/** 1869 * snd_ac97_get_short_name - retrieve codec name 1870 * @ac97: the codec instance 1871 * 1872 * Return: The short identifying name of the codec. 1873 */ 1874const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) 1875{ 1876 const struct ac97_codec_id *pid; 1877 1878 for (pid = snd_ac97_codec_ids; pid->id; pid++) 1879 if (pid->id == (ac97->id & pid->mask)) 1880 return pid->name; 1881 return "unknown codec"; 1882} 1883 1884EXPORT_SYMBOL(snd_ac97_get_short_name); 1885 1886/* wait for a while until registers are accessible after RESET 1887 * return 0 if ok, negative not ready 1888 */ 1889static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) 1890{ 1891 unsigned long end_time; 1892 unsigned short val; 1893 1894 end_time = jiffies + timeout; 1895 do { 1896 1897 /* use preliminary reads to settle the communication */ 1898 snd_ac97_read(ac97, AC97_RESET); 1899 snd_ac97_read(ac97, AC97_VENDOR_ID1); 1900 snd_ac97_read(ac97, AC97_VENDOR_ID2); 1901 /* modem? */ 1902 if (with_modem) { 1903 val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 1904 if (val != 0xffff && (val & 1) != 0) 1905 return 0; 1906 } 1907 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { 1908 /* probably only Xbox issue - all registers are read as zero */ 1909 val = snd_ac97_read(ac97, AC97_VENDOR_ID1); 1910 if (val != 0 && val != 0xffff) 1911 return 0; 1912 } else { 1913 /* because the PCM or MASTER volume registers can be modified, 1914 * the REC_GAIN register is used for tests 1915 */ 1916 /* test if we can write to the record gain volume register */ 1917 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); 1918 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) 1919 return 0; 1920 } 1921 schedule_timeout_uninterruptible(1); 1922 } while (time_after_eq(end_time, jiffies)); 1923 return -ENODEV; 1924} 1925 1926/** 1927 * snd_ac97_bus - create an AC97 bus component 1928 * @card: the card instance 1929 * @num: the bus number 1930 * @ops: the bus callbacks table 1931 * @private_data: private data pointer for the new instance 1932 * @rbus: the pointer to store the new AC97 bus instance. 1933 * 1934 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly 1935 * allocated and initialized. 1936 * 1937 * The ops table must include valid callbacks (at least read and 1938 * write). The other callbacks, wait and reset, are not mandatory. 1939 * 1940 * The clock is set to 48000. If another clock is needed, set 1941 * ``(*rbus)->clock`` manually. 1942 * 1943 * The AC97 bus instance is registered as a low-level device, so you don't 1944 * have to release it manually. 1945 * 1946 * Return: Zero if successful, or a negative error code on failure. 1947 */ 1948int snd_ac97_bus(struct snd_card *card, int num, 1949 const struct snd_ac97_bus_ops *ops, 1950 void *private_data, struct snd_ac97_bus **rbus) 1951{ 1952 int err; 1953 struct snd_ac97_bus *bus; 1954 static const struct snd_device_ops dev_ops = { 1955 .dev_free = snd_ac97_bus_dev_free, 1956 }; 1957 1958 if (snd_BUG_ON(!card)) 1959 return -EINVAL; 1960 bus = kzalloc(sizeof(*bus), GFP_KERNEL); 1961 if (bus == NULL) 1962 return -ENOMEM; 1963 bus->card = card; 1964 bus->num = num; 1965 bus->ops = ops; 1966 bus->private_data = private_data; 1967 bus->clock = 48000; 1968 spin_lock_init(&bus->bus_lock); 1969 snd_ac97_bus_proc_init(bus); 1970 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops); 1971 if (err < 0) { 1972 snd_ac97_bus_free(bus); 1973 return err; 1974 } 1975 if (rbus) 1976 *rbus = bus; 1977 return 0; 1978} 1979 1980EXPORT_SYMBOL(snd_ac97_bus); 1981 1982/* stop no dev release warning */ 1983static void ac97_device_release(struct device * dev) 1984{ 1985} 1986 1987/* register ac97 codec to bus */ 1988static int snd_ac97_dev_register(struct snd_device *device) 1989{ 1990 struct snd_ac97 *ac97 = device->device_data; 1991 int err; 1992 1993 ac97->dev.bus = &ac97_bus_type; 1994 ac97->dev.parent = ac97->bus->card->dev; 1995 ac97->dev.release = ac97_device_release; 1996 dev_set_name(&ac97->dev, "%d-%d:%s", 1997 ac97->bus->card->number, ac97->num, 1998 snd_ac97_get_short_name(ac97)); 1999 err = device_register(&ac97->dev); 2000 if (err < 0) { 2001 ac97_err(ac97, "Can't register ac97 bus\n"); 2002 put_device(&ac97->dev); 2003 ac97->dev.bus = NULL; 2004 return err; 2005 } 2006 return 0; 2007} 2008 2009/* disconnect ac97 codec */ 2010static int snd_ac97_dev_disconnect(struct snd_device *device) 2011{ 2012 struct snd_ac97 *ac97 = device->device_data; 2013 if (ac97->dev.bus) 2014 device_unregister(&ac97->dev); 2015 return 0; 2016} 2017 2018/* build_ops to do nothing */ 2019static const struct snd_ac97_build_ops null_build_ops; 2020 2021#ifdef CONFIG_SND_AC97_POWER_SAVE 2022static void do_update_power(struct work_struct *work) 2023{ 2024 update_power_regs( 2025 container_of(work, struct snd_ac97, power_work.work)); 2026} 2027#endif 2028 2029/** 2030 * snd_ac97_mixer - create an Codec97 component 2031 * @bus: the AC97 bus which codec is attached to 2032 * @template: the template of ac97, including index, callbacks and 2033 * the private data. 2034 * @rac97: the pointer to store the new ac97 instance. 2035 * 2036 * Creates an Codec97 component. An struct snd_ac97 instance is newly 2037 * allocated and initialized from the template. The codec 2038 * is then initialized by the standard procedure. 2039 * 2040 * The template must include the codec number (num) and address (addr), 2041 * and the private data (private_data). 2042 * 2043 * The ac97 instance is registered as a low-level device, so you don't 2044 * have to release it manually. 2045 * 2046 * Return: Zero if successful, or a negative error code on failure. 2047 */ 2048int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) 2049{ 2050 int err; 2051 struct snd_ac97 *ac97; 2052 struct snd_card *card; 2053 char name[64]; 2054 unsigned long end_time; 2055 unsigned int reg; 2056 const struct ac97_codec_id *pid; 2057 static const struct snd_device_ops ops = { 2058 .dev_free = snd_ac97_dev_free, 2059 .dev_register = snd_ac97_dev_register, 2060 .dev_disconnect = snd_ac97_dev_disconnect, 2061 }; 2062 2063 if (snd_BUG_ON(!bus || !template || !rac97)) 2064 return -EINVAL; 2065 *rac97 = NULL; 2066 if (snd_BUG_ON(template->num >= 4)) 2067 return -EINVAL; 2068 if (bus->codec[template->num]) 2069 return -EBUSY; 2070 2071 card = bus->card; 2072 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); 2073 if (ac97 == NULL) 2074 return -ENOMEM; 2075 ac97->private_data = template->private_data; 2076 ac97->private_free = template->private_free; 2077 ac97->bus = bus; 2078 ac97->pci = template->pci; 2079 ac97->num = template->num; 2080 ac97->addr = template->addr; 2081 ac97->scaps = template->scaps; 2082 ac97->res_table = template->res_table; 2083 bus->codec[ac97->num] = ac97; 2084 mutex_init(&ac97->reg_mutex); 2085 mutex_init(&ac97->page_mutex); 2086#ifdef CONFIG_SND_AC97_POWER_SAVE 2087 INIT_DELAYED_WORK(&ac97->power_work, do_update_power); 2088#endif 2089 2090#ifdef CONFIG_PCI 2091 if (ac97->pci) { 2092 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); 2093 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); 2094 } 2095#endif 2096 if (bus->ops->reset) { 2097 bus->ops->reset(ac97); 2098 goto __access_ok; 2099 } 2100 2101 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2102 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2103 if (ac97->id && ac97->id != (unsigned int)-1) { 2104 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2105 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) 2106 goto __access_ok; 2107 } 2108 2109 /* reset to defaults */ 2110 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2111 snd_ac97_write(ac97, AC97_RESET, 0); 2112 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2113 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2114 if (bus->ops->wait) 2115 bus->ops->wait(ac97); 2116 else { 2117 udelay(50); 2118 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) 2119 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1); 2120 else { 2121 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0); 2122 if (err < 0) 2123 err = ac97_reset_wait(ac97, 2124 msecs_to_jiffies(500), 1); 2125 } 2126 if (err < 0) { 2127 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n", 2128 ac97->num); 2129 /* proceed anyway - it's often non-critical */ 2130 } 2131 } 2132 __access_ok: 2133 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; 2134 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); 2135 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && 2136 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { 2137 ac97_err(ac97, 2138 "AC'97 %d access is not valid [0x%x], removing mixer.\n", 2139 ac97->num, ac97->id); 2140 snd_ac97_free(ac97); 2141 return -EIO; 2142 } 2143 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); 2144 if (pid) 2145 ac97->flags |= pid->flags; 2146 2147 /* test for AC'97 */ 2148 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { 2149 /* test if we can write to the record gain volume register */ 2150 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); 2151 err = snd_ac97_read(ac97, AC97_REC_GAIN); 2152 if ((err & 0x7fff) == 0x0a06) 2153 ac97->scaps |= AC97_SCAP_AUDIO; 2154 } 2155 if (ac97->scaps & AC97_SCAP_AUDIO) { 2156 ac97->caps = snd_ac97_read(ac97, AC97_RESET); 2157 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); 2158 if (ac97->ext_id == 0xffff) /* invalid combination */ 2159 ac97->ext_id = 0; 2160 } 2161 2162 /* test for MC'97 */ 2163 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { 2164 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2165 if (ac97->ext_mid == 0xffff) /* invalid combination */ 2166 ac97->ext_mid = 0; 2167 if (ac97->ext_mid & 1) 2168 ac97->scaps |= AC97_SCAP_MODEM; 2169 } 2170 2171 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { 2172 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) 2173 ac97_err(ac97, 2174 "AC'97 %d access error (not audio or modem codec)\n", 2175 ac97->num); 2176 snd_ac97_free(ac97); 2177 return -EACCES; 2178 } 2179 2180 if (bus->ops->reset) // FIXME: always skipping? 2181 goto __ready_ok; 2182 2183 /* FIXME: add powerdown control */ 2184 if (ac97_is_audio(ac97)) { 2185 /* nothing should be in powerdown mode */ 2186 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2187 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2188 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ 2189 udelay(100); 2190 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); 2191 } 2192 /* nothing should be in powerdown mode */ 2193 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); 2194 end_time = jiffies + msecs_to_jiffies(5000); 2195 do { 2196 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) 2197 goto __ready_ok; 2198 schedule_timeout_uninterruptible(1); 2199 } while (time_after_eq(end_time, jiffies)); 2200 ac97_warn(ac97, 2201 "AC'97 %d analog subsections not ready\n", ac97->num); 2202 } 2203 2204 /* FIXME: add powerdown control */ 2205 if (ac97_is_modem(ac97)) { 2206 unsigned char tmp; 2207 2208 /* nothing should be in powerdown mode */ 2209 /* note: it's important to set the rate at first */ 2210 tmp = AC97_MEA_GPIO; 2211 if (ac97->ext_mid & AC97_MEI_LINE1) { 2212 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); 2213 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; 2214 } 2215 if (ac97->ext_mid & AC97_MEI_LINE2) { 2216 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); 2217 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; 2218 } 2219 if (ac97->ext_mid & AC97_MEI_HANDSET) { 2220 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); 2221 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; 2222 } 2223 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2224 udelay(100); 2225 /* nothing should be in powerdown mode */ 2226 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); 2227 end_time = jiffies + msecs_to_jiffies(100); 2228 do { 2229 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) 2230 goto __ready_ok; 2231 schedule_timeout_uninterruptible(1); 2232 } while (time_after_eq(end_time, jiffies)); 2233 ac97_warn(ac97, 2234 "MC'97 %d converters and GPIO not ready (0x%x)\n", 2235 ac97->num, 2236 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); 2237 } 2238 2239 __ready_ok: 2240 if (ac97_is_audio(ac97)) 2241 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; 2242 else 2243 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; 2244 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ 2245 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 2246 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ 2247 if (! bus->no_vra) 2248 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ 2249 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); 2250 } 2251 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { 2252 /* Intel controllers require double rate data to be put in 2253 * slots 7+8, so let's hope the codec supports it. */ 2254 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); 2255 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) 2256 ac97->flags |= AC97_DOUBLE_RATE; 2257 /* restore to slots 10/11 to avoid the confliction with surrounds */ 2258 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); 2259 } 2260 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ 2261 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); 2262 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); 2263 } else { 2264 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; 2265 if (ac97->flags & AC97_DOUBLE_RATE) 2266 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; 2267 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; 2268 } 2269 if (ac97->ext_id & AC97_EI_SPDIF) { 2270 /* codec specific code (patch) should override these values */ 2271 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; 2272 } 2273 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ 2274 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); 2275 } else { 2276 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; 2277 } 2278 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ 2279 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); 2280 ac97->scaps |= AC97_SCAP_SURROUND_DAC; 2281 } 2282 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ 2283 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); 2284 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; 2285 } 2286 /* additional initializations */ 2287 if (bus->ops->init) 2288 bus->ops->init(ac97); 2289 snd_ac97_get_name(ac97, ac97->id, name, sizeof(name), !ac97_is_audio(ac97)); 2290 snd_ac97_get_name(NULL, ac97->id, name, sizeof(name), !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code 2291 if (! ac97->build_ops) 2292 ac97->build_ops = &null_build_ops; 2293 2294 if (ac97_is_audio(ac97)) { 2295 char comp[16]; 2296 if (card->mixername[0] == '\0') { 2297 strscpy(card->mixername, name); 2298 } else { 2299 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2300 strcat(card->mixername, ","); 2301 strcat(card->mixername, name); 2302 } 2303 } 2304 sprintf(comp, "AC97a:%08x", ac97->id); 2305 err = snd_component_add(card, comp); 2306 if (err < 0) { 2307 snd_ac97_free(ac97); 2308 return err; 2309 } 2310 if (snd_ac97_mixer_build(ac97) < 0) { 2311 snd_ac97_free(ac97); 2312 return -ENOMEM; 2313 } 2314 } 2315 if (ac97_is_modem(ac97)) { 2316 char comp[16]; 2317 if (card->mixername[0] == '\0') { 2318 strscpy(card->mixername, name); 2319 } else { 2320 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { 2321 strcat(card->mixername, ","); 2322 strcat(card->mixername, name); 2323 } 2324 } 2325 sprintf(comp, "AC97m:%08x", ac97->id); 2326 err = snd_component_add(card, comp); 2327 if (err < 0) { 2328 snd_ac97_free(ac97); 2329 return err; 2330 } 2331 if (snd_ac97_modem_build(card, ac97) < 0) { 2332 snd_ac97_free(ac97); 2333 return -ENOMEM; 2334 } 2335 } 2336 if (ac97_is_audio(ac97)) 2337 update_power_regs(ac97); 2338 snd_ac97_proc_init(ac97); 2339 err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops); 2340 if (err < 0) { 2341 snd_ac97_free(ac97); 2342 return err; 2343 } 2344 *rac97 = ac97; 2345 return 0; 2346} 2347 2348EXPORT_SYMBOL(snd_ac97_mixer); 2349 2350/* 2351 * Power down the chip. 2352 * 2353 * MASTER and HEADPHONE registers are muted but the register cache values 2354 * are not changed, so that the values can be restored in snd_ac97_resume(). 2355 */ 2356static void snd_ac97_powerdown(struct snd_ac97 *ac97) 2357{ 2358 unsigned short power; 2359 2360 if (ac97_is_audio(ac97)) { 2361 /* some codecs have stereo mute bits */ 2362 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); 2363 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); 2364 } 2365 2366 /* surround, CLFE, mic powerdown */ 2367 power = ac97->regs[AC97_EXTENDED_STATUS]; 2368 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2369 power |= AC97_EA_PRJ; 2370 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2371 power |= AC97_EA_PRI | AC97_EA_PRK; 2372 power |= AC97_EA_PRL; 2373 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); 2374 2375 /* powerdown external amplifier */ 2376 if (ac97->scaps & AC97_SCAP_INV_EAPD) 2377 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; 2378 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) 2379 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; 2380 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ 2381 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ 2382 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2383 udelay(100); 2384 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */ 2385 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2386 if (ac97_is_power_save_mode(ac97)) { 2387 power |= AC97_PD_PR3; /* Analog Mixer powerdown */ 2388 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2389 udelay(100); 2390 /* AC-link powerdown, internal Clk disable */ 2391 /* FIXME: this may cause click noises on some boards */ 2392 power |= AC97_PD_PR4 | AC97_PD_PR5; 2393 snd_ac97_write(ac97, AC97_POWERDOWN, power); 2394 } 2395} 2396 2397 2398struct ac97_power_reg { 2399 unsigned short reg; 2400 unsigned short power_reg; 2401 unsigned short mask; 2402}; 2403 2404enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; 2405 2406static const struct ac97_power_reg power_regs[PWIDX_SIZE] = { 2407 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, 2408 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, 2409 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, 2410 AC97_EA_PRI | AC97_EA_PRK}, 2411 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, 2412 AC97_EA_PRJ}, 2413 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, 2414 AC97_EA_PRL}, 2415}; 2416 2417#ifdef CONFIG_SND_AC97_POWER_SAVE 2418/** 2419 * snd_ac97_update_power - update the powerdown register 2420 * @ac97: the codec instance 2421 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE 2422 * @powerup: non-zero when power up the part 2423 * 2424 * Update the AC97 powerdown register bits of the given part. 2425 * 2426 * Return: Zero. 2427 */ 2428int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) 2429{ 2430 int i; 2431 2432 if (! ac97) 2433 return 0; 2434 2435 if (reg) { 2436 /* SPDIF requires DAC power, too */ 2437 if (reg == AC97_SPDIF) 2438 reg = AC97_PCM_FRONT_DAC_RATE; 2439 for (i = 0; i < PWIDX_SIZE; i++) { 2440 if (power_regs[i].reg == reg) { 2441 if (powerup) 2442 ac97->power_up |= (1 << i); 2443 else 2444 ac97->power_up &= ~(1 << i); 2445 break; 2446 } 2447 } 2448 } 2449 2450 if (ac97_is_power_save_mode(ac97) && !powerup) 2451 /* adjust power-down bits after two seconds delay 2452 * (for avoiding loud click noises for many (OSS) apps 2453 * that open/close frequently) 2454 */ 2455 schedule_delayed_work(&ac97->power_work, secs_to_jiffies(power_save)); 2456 else { 2457 cancel_delayed_work(&ac97->power_work); 2458 update_power_regs(ac97); 2459 } 2460 2461 return 0; 2462} 2463 2464EXPORT_SYMBOL(snd_ac97_update_power); 2465#endif /* CONFIG_SND_AC97_POWER_SAVE */ 2466 2467static void update_power_regs(struct snd_ac97 *ac97) 2468{ 2469 unsigned int power_up, bits; 2470 int i; 2471 2472 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); 2473 power_up |= (1 << PWIDX_MIC); 2474 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) 2475 power_up |= (1 << PWIDX_SURR); 2476 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) 2477 power_up |= (1 << PWIDX_CLFE); 2478#ifdef CONFIG_SND_AC97_POWER_SAVE 2479 if (ac97_is_power_save_mode(ac97)) 2480 power_up = ac97->power_up; 2481#endif 2482 if (power_up) { 2483 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { 2484 /* needs power-up analog mix and vref */ 2485 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2486 AC97_PD_PR3, 0); 2487 msleep(1); 2488 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2489 AC97_PD_PR2, 0); 2490 } 2491 } 2492 for (i = 0; i < PWIDX_SIZE; i++) { 2493 if (power_up & (1 << i)) 2494 bits = 0; 2495 else 2496 bits = power_regs[i].mask; 2497 snd_ac97_update_bits(ac97, power_regs[i].power_reg, 2498 power_regs[i].mask, bits); 2499 } 2500 if (! power_up) { 2501 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { 2502 /* power down analog mix and vref */ 2503 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2504 AC97_PD_PR2, AC97_PD_PR2); 2505 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 2506 AC97_PD_PR3, AC97_PD_PR3); 2507 } 2508 } 2509} 2510 2511 2512#ifdef CONFIG_PM 2513/** 2514 * snd_ac97_suspend - General suspend function for AC97 codec 2515 * @ac97: the ac97 instance 2516 * 2517 * Suspends the codec, power down the chip. 2518 */ 2519void snd_ac97_suspend(struct snd_ac97 *ac97) 2520{ 2521 if (! ac97) 2522 return; 2523 if (ac97->build_ops->suspend) 2524 ac97->build_ops->suspend(ac97); 2525#ifdef CONFIG_SND_AC97_POWER_SAVE 2526 cancel_delayed_work_sync(&ac97->power_work); 2527#endif 2528 snd_ac97_powerdown(ac97); 2529} 2530 2531EXPORT_SYMBOL(snd_ac97_suspend); 2532 2533/* 2534 * restore ac97 status 2535 */ 2536static void snd_ac97_restore_status(struct snd_ac97 *ac97) 2537{ 2538 int i; 2539 2540 for (i = 2; i < 0x7c ; i += 2) { 2541 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) 2542 continue; 2543 /* restore only accessible registers 2544 * some chip (e.g. nm256) may hang up when unsupported registers 2545 * are accessed..! 2546 */ 2547 if (test_bit(i, ac97->reg_accessed)) { 2548 snd_ac97_write(ac97, i, ac97->regs[i]); 2549 snd_ac97_read(ac97, i); 2550 } 2551 } 2552} 2553 2554/* 2555 * restore IEC958 status 2556 */ 2557static void snd_ac97_restore_iec958(struct snd_ac97 *ac97) 2558{ 2559 if (ac97->ext_id & AC97_EI_SPDIF) { 2560 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { 2561 /* reset spdif status */ 2562 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); 2563 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); 2564 if (ac97->flags & AC97_CS_SPDIF) 2565 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); 2566 else 2567 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); 2568 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ 2569 } 2570 } 2571} 2572 2573/** 2574 * snd_ac97_resume - General resume function for AC97 codec 2575 * @ac97: the ac97 instance 2576 * 2577 * Do the standard resume procedure, power up and restoring the 2578 * old register values. 2579 */ 2580void snd_ac97_resume(struct snd_ac97 *ac97) 2581{ 2582 unsigned long end_time; 2583 2584 if (! ac97) 2585 return; 2586 2587 if (ac97->bus->ops->reset) { 2588 ac97->bus->ops->reset(ac97); 2589 goto __reset_ready; 2590 } 2591 2592 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2593 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { 2594 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) 2595 snd_ac97_write(ac97, AC97_RESET, 0); 2596 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) 2597 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); 2598 udelay(100); 2599 snd_ac97_write(ac97, AC97_POWERDOWN, 0); 2600 } 2601 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); 2602 2603 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); 2604 if (ac97_is_audio(ac97)) { 2605 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); 2606 end_time = jiffies + msecs_to_jiffies(100); 2607 do { 2608 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) 2609 break; 2610 schedule_timeout_uninterruptible(1); 2611 } while (time_after_eq(end_time, jiffies)); 2612 /* FIXME: extra delay */ 2613 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO); 2614 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO) 2615 msleep(250); 2616 } else { 2617 end_time = jiffies + msecs_to_jiffies(100); 2618 do { 2619 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2620 if (val != 0xffff && (val & 1) != 0) 2621 break; 2622 schedule_timeout_uninterruptible(1); 2623 } while (time_after_eq(end_time, jiffies)); 2624 } 2625__reset_ready: 2626 2627 if (ac97->bus->ops->init) 2628 ac97->bus->ops->init(ac97); 2629 2630 if (ac97->build_ops->resume) 2631 ac97->build_ops->resume(ac97); 2632 else { 2633 snd_ac97_restore_status(ac97); 2634 snd_ac97_restore_iec958(ac97); 2635 } 2636} 2637 2638EXPORT_SYMBOL(snd_ac97_resume); 2639#endif 2640 2641 2642/* 2643 * Hardware tuning 2644 */ 2645static void set_ctl_name(char *dst, const char *src, const char *suffix) 2646{ 2647 const size_t msize = SNDRV_CTL_ELEM_ID_NAME_MAXLEN; 2648 2649 if (suffix) { 2650 if (snprintf(dst, msize, "%s %s", src, suffix) >= msize) 2651 pr_warn("ALSA: AC97 control name '%s %s' truncated to '%s'\n", 2652 src, suffix, dst); 2653 } else { 2654 if (strscpy(dst, src, msize) < 0) 2655 pr_warn("ALSA: AC97 control name '%s' truncated to '%s'\n", 2656 src, dst); 2657 } 2658} 2659 2660/* remove the control with the given name and optional suffix */ 2661static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, 2662 const char *suffix) 2663{ 2664 struct snd_ctl_elem_id id; 2665 memset(&id, 0, sizeof(id)); 2666 set_ctl_name(id.name, name, suffix); 2667 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2668 return snd_ctl_remove_id(ac97->bus->card, &id); 2669} 2670 2671static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) 2672{ 2673 struct snd_ctl_elem_id sid; 2674 memset(&sid, 0, sizeof(sid)); 2675 set_ctl_name(sid.name, name, suffix); 2676 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2677 return snd_ctl_find_id(ac97->bus->card, &sid); 2678} 2679 2680/* rename the control with the given name and optional suffix */ 2681static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, 2682 const char *dst, const char *suffix) 2683{ 2684 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); 2685 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 2686 2687 if (kctl) { 2688 set_ctl_name(name, dst, suffix); 2689 snd_ctl_rename(ac97->bus->card, kctl, name); 2690 return 0; 2691 } 2692 return -ENOENT; 2693} 2694 2695/* rename both Volume and Switch controls - don't check the return value */ 2696static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, 2697 const char *dst) 2698{ 2699 snd_ac97_rename_ctl(ac97, src, dst, "Switch"); 2700 snd_ac97_rename_ctl(ac97, src, dst, "Volume"); 2701} 2702 2703/* swap controls */ 2704static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, 2705 const char *s2, const char *suffix) 2706{ 2707 struct snd_kcontrol *kctl1, *kctl2; 2708 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 2709 2710 kctl1 = ctl_find(ac97, s1, suffix); 2711 kctl2 = ctl_find(ac97, s2, suffix); 2712 if (kctl1 && kctl2) { 2713 set_ctl_name(name, s2, suffix); 2714 snd_ctl_rename(ac97->bus->card, kctl1, name); 2715 2716 set_ctl_name(name, s1, suffix); 2717 snd_ctl_rename(ac97->bus->card, kctl2, name); 2718 2719 return 0; 2720 } 2721 return -ENOENT; 2722} 2723 2724#if 1 2725/* bind hp and master controls instead of using only hp control */ 2726static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2727{ 2728 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2729 if (err > 0) { 2730 unsigned long priv_saved = kcontrol->private_value; 2731 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; 2732 snd_ac97_put_volsw(kcontrol, ucontrol); 2733 kcontrol->private_value = priv_saved; 2734 } 2735 return err; 2736} 2737 2738/* ac97 tune: bind Master and Headphone controls */ 2739static int tune_hp_only(struct snd_ac97 *ac97) 2740{ 2741 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2742 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2743 if (! msw || ! mvol) 2744 return -ENOENT; 2745 msw->put = bind_hp_volsw_put; 2746 mvol->put = bind_hp_volsw_put; 2747 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2748 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2749 return 0; 2750} 2751 2752#else 2753/* ac97 tune: use Headphone control as master */ 2754static int tune_hp_only(struct snd_ac97 *ac97) 2755{ 2756 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2757 return -ENOENT; 2758 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); 2759 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); 2760 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2761 return 0; 2762} 2763#endif 2764 2765/* ac97 tune: swap Headphone and Master controls */ 2766static int tune_swap_hp(struct snd_ac97 *ac97) 2767{ 2768 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) 2769 return -ENOENT; 2770 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); 2771 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); 2772 return 0; 2773} 2774 2775/* ac97 tune: swap Surround and Master controls */ 2776static int tune_swap_surround(struct snd_ac97 *ac97) 2777{ 2778 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || 2779 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) 2780 return -ENOENT; 2781 return 0; 2782} 2783 2784/* ac97 tune: set up mic sharing for AD codecs */ 2785static int tune_ad_sharing(struct snd_ac97 *ac97) 2786{ 2787 unsigned short scfg; 2788 if ((ac97->id & 0xffffff00) != 0x41445300) { 2789 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n"); 2790 return -EINVAL; 2791 } 2792 /* Turn on OMS bit to route microphone to back panel */ 2793 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); 2794 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); 2795 return 0; 2796} 2797 2798static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2799AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); 2800 2801/* ac97 tune: set up ALC jack-select */ 2802static int tune_alc_jack(struct snd_ac97 *ac97) 2803{ 2804 if ((ac97->id & 0xffffff00) != 0x414c4700) { 2805 ac97_err(ac97, 2806 "ac97_quirk ALC_JACK is only for Realtek codecs\n"); 2807 return -EINVAL; 2808 } 2809 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ 2810 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ 2811 if (ac97->id == AC97_ID_ALC658D) 2812 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); 2813 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); 2814} 2815 2816/* ac97 tune: inversed EAPD bit */ 2817static int tune_inv_eapd(struct snd_ac97 *ac97) 2818{ 2819 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); 2820 if (! kctl) 2821 return -ENOENT; 2822 set_inv_eapd(ac97, kctl); 2823 return 0; 2824} 2825 2826static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 2827{ 2828 int err = snd_ac97_put_volsw(kcontrol, ucontrol); 2829 if (err > 0) { 2830 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2831 int shift = (kcontrol->private_value >> 8) & 0x0f; 2832 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2833 unsigned short mask; 2834 if (shift != rshift) 2835 mask = AC97_MUTE_MASK_STEREO; 2836 else 2837 mask = AC97_MUTE_MASK_MONO; 2838 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2839 (ac97->regs[AC97_MASTER] & mask) == mask ? 2840 AC97_PD_EAPD : 0); 2841 } 2842 return err; 2843} 2844 2845/* ac97 tune: EAPD controls mute LED bound with the master mute */ 2846static int tune_mute_led(struct snd_ac97 *ac97) 2847{ 2848 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2849 if (! msw) 2850 return -ENOENT; 2851 msw->put = master_mute_sw_put; 2852 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2853 snd_ac97_update_bits( 2854 ac97, AC97_POWERDOWN, 2855 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2856 ); 2857 ac97->scaps |= AC97_SCAP_EAPD_LED; 2858 return 0; 2859} 2860 2861static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, 2862 struct snd_ctl_elem_value *ucontrol) 2863{ 2864 int err = bind_hp_volsw_put(kcontrol, ucontrol); 2865 if (err > 0) { 2866 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); 2867 int shift = (kcontrol->private_value >> 8) & 0x0f; 2868 int rshift = (kcontrol->private_value >> 12) & 0x0f; 2869 unsigned short mask; 2870 if (shift != rshift) 2871 mask = AC97_MUTE_MASK_STEREO; 2872 else 2873 mask = AC97_MUTE_MASK_MONO; 2874 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD, 2875 (ac97->regs[AC97_MASTER] & mask) == mask ? 2876 AC97_PD_EAPD : 0); 2877 } 2878 return err; 2879} 2880 2881static int tune_hp_mute_led(struct snd_ac97 *ac97) 2882{ 2883 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); 2884 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); 2885 if (! msw || ! mvol) 2886 return -ENOENT; 2887 msw->put = hp_master_mute_sw_put; 2888 mvol->put = bind_hp_volsw_put; 2889 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); 2890 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); 2891 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); 2892 snd_ac97_update_bits( 2893 ac97, AC97_POWERDOWN, 2894 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */ 2895 ); 2896 return 0; 2897} 2898 2899struct quirk_table { 2900 const char *name; 2901 int (*func)(struct snd_ac97 *); 2902}; 2903 2904static const struct quirk_table applicable_quirks[] = { 2905 { "none", NULL }, 2906 { "hp_only", tune_hp_only }, 2907 { "swap_hp", tune_swap_hp }, 2908 { "swap_surround", tune_swap_surround }, 2909 { "ad_sharing", tune_ad_sharing }, 2910 { "alc_jack", tune_alc_jack }, 2911 { "inv_eapd", tune_inv_eapd }, 2912 { "mute_led", tune_mute_led }, 2913 { "hp_mute_led", tune_hp_mute_led }, 2914}; 2915 2916/* apply the quirk with the given type */ 2917static int apply_quirk(struct snd_ac97 *ac97, int type) 2918{ 2919 if (type <= 0) 2920 return 0; 2921 else if (type >= ARRAY_SIZE(applicable_quirks)) 2922 return -EINVAL; 2923 if (applicable_quirks[type].func) 2924 return applicable_quirks[type].func(ac97); 2925 return 0; 2926} 2927 2928/* apply the quirk with the given name */ 2929static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) 2930{ 2931 int i; 2932 const struct quirk_table *q; 2933 2934 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { 2935 q = &applicable_quirks[i]; 2936 if (q->name && ! strcmp(typestr, q->name)) 2937 return apply_quirk(ac97, i); 2938 } 2939 /* for compatibility, accept the numbers, too */ 2940 if (*typestr >= '0' && *typestr <= '9') 2941 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); 2942 return -EINVAL; 2943} 2944 2945/** 2946 * snd_ac97_tune_hardware - tune up the hardware 2947 * @ac97: the ac97 instance 2948 * @quirk: quirk list 2949 * @override: explicit quirk value (overrides the list if non-NULL) 2950 * 2951 * Do some workaround for each pci device, such as renaming of the 2952 * headphone (true line-out) control as "Master". 2953 * The quirk-list must be terminated with a zero-filled entry. 2954 * 2955 * Return: Zero if successful, or a negative error code on failure. 2956 */ 2957 2958int snd_ac97_tune_hardware(struct snd_ac97 *ac97, 2959 const struct ac97_quirk *quirk, const char *override) 2960{ 2961 int result; 2962 2963 /* quirk overriden? */ 2964 if (override && strcmp(override, "-1") && strcmp(override, "default")) { 2965 result = apply_quirk_str(ac97, override); 2966 if (result < 0) 2967 ac97_err(ac97, "applying quirk type %s failed (%d)\n", 2968 override, result); 2969 return result; 2970 } 2971 2972 if (! quirk) 2973 return -EINVAL; 2974 2975 for (; quirk->subvendor; quirk++) { 2976 if (quirk->subvendor != ac97->subsystem_vendor) 2977 continue; 2978 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || 2979 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { 2980 if (quirk->codec_id && quirk->codec_id != ac97->id) 2981 continue; 2982 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n", 2983 quirk->name, ac97->subsystem_vendor, 2984 ac97->subsystem_device); 2985 result = apply_quirk(ac97, quirk->type); 2986 if (result < 0) 2987 ac97_err(ac97, 2988 "applying quirk type %d for %s failed (%d)\n", 2989 quirk->type, quirk->name, result); 2990 return result; 2991 } 2992 } 2993 return 0; 2994} 2995 2996EXPORT_SYMBOL(snd_ac97_tune_hardware);
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