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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>4 * Universal interface for Audio Codec '975 *6 * For more details look to AC '97 component specification revision 2.27 * 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_SAVE36static 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#endif41/*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 entry61 * (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 II138{ 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different139{ 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 --jk153{ 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/PDIF166{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF167{ 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_SAVE196#define ac97_is_power_save_mode(ac97) \197 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)198#else199#define ac97_is_power_save_mode(ac97) 0200#endif201 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 routines211 */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 register261 * @ac97: the ac97 instance262 * @reg: the register to change263 * @value: the value to set264 *265 * Writes a value on the given register. This will invoke the write266 * callback directly after the register check.267 * This function doesn't change the register cache unlike268 * #snd_ca97_write_cache(), so use this only when you don't want to269 * 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 register287 * 288 * @ac97: the ac97 instance289 * @reg: the register to read290 *291 * Reads a value from the given register. This will invoke the read292 * 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 cache317 * @ac97: the ac97 instance318 * @reg: the register to change319 * @value: the value to set320 *321 * Writes a value on the given register and updates the register322 * cache. The cached values are used for the cached-read and the323 * 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 mutex_lock(&ac97->reg_mutex);330 ac97->regs[reg] = value;331 ac97->bus->ops->write(ac97, reg, value);332 set_bit(reg, ac97->reg_accessed);333 mutex_unlock(&ac97->reg_mutex);334}335 336EXPORT_SYMBOL(snd_ac97_write_cache);337 338/**339 * snd_ac97_update - update the value on the given register340 * @ac97: the ac97 instance341 * @reg: the register to change342 * @value: the value to set343 *344 * Compares the value with the register cache and updates the value345 * only when the value is changed.346 *347 * Return: 1 if the value is changed, 0 if no change, or a negative348 * code on failure.349 */350int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)351{352 int change;353 354 if (!snd_ac97_valid_reg(ac97, reg))355 return -EINVAL;356 mutex_lock(&ac97->reg_mutex);357 change = ac97->regs[reg] != value;358 if (change) {359 ac97->regs[reg] = value;360 ac97->bus->ops->write(ac97, reg, value);361 }362 set_bit(reg, ac97->reg_accessed);363 mutex_unlock(&ac97->reg_mutex);364 return change;365}366 367EXPORT_SYMBOL(snd_ac97_update);368 369/**370 * snd_ac97_update_bits - update the bits on the given register371 * @ac97: the ac97 instance372 * @reg: the register to change373 * @mask: the bit-mask to change374 * @value: the value to set375 *376 * Updates the masked-bits on the given register only when the value377 * is changed.378 *379 * Return: 1 if the bits are changed, 0 if no change, or a negative380 * code on failure.381 */382int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)383{384 int change;385 386 if (!snd_ac97_valid_reg(ac97, reg))387 return -EINVAL;388 mutex_lock(&ac97->reg_mutex);389 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);390 mutex_unlock(&ac97->reg_mutex);391 return change;392}393 394EXPORT_SYMBOL(snd_ac97_update_bits);395 396/* no lock version - see snd_ac97_update_bits() */397int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,398 unsigned short mask, unsigned short value)399{400 int change;401 unsigned short old, new;402 403 old = snd_ac97_read_cache(ac97, reg);404 new = (old & ~mask) | (value & mask);405 change = old != new;406 if (change) {407 ac97->regs[reg] = new;408 ac97->bus->ops->write(ac97, reg, new);409 }410 set_bit(reg, ac97->reg_accessed);411 return change;412}413 414static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)415{416 int change;417 unsigned short old, new, cfg;418 419 mutex_lock(&ac97->page_mutex);420 old = ac97->spec.ad18xx.pcmreg[codec];421 new = (old & ~mask) | (value & mask);422 change = old != new;423 if (change) {424 mutex_lock(&ac97->reg_mutex);425 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);426 ac97->spec.ad18xx.pcmreg[codec] = new;427 /* select single codec */428 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,429 (cfg & ~0x7000) |430 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);431 /* update PCM bits */432 ac97->bus->ops->write(ac97, AC97_PCM, new);433 /* select all codecs */434 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,435 cfg | 0x7000);436 mutex_unlock(&ac97->reg_mutex);437 }438 mutex_unlock(&ac97->page_mutex);439 return change;440}441 442/*443 * Controls444 */445 446static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,447 struct snd_ctl_elem_info *uinfo)448{449 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;450 451 return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2,452 e->mask, e->texts);453}454 455static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,456 struct snd_ctl_elem_value *ucontrol)457{458 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);459 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;460 unsigned short val, bitmask;461 462 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)463 ;464 val = snd_ac97_read_cache(ac97, e->reg);465 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);466 if (e->shift_l != e->shift_r)467 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);468 469 return 0;470}471 472static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,473 struct snd_ctl_elem_value *ucontrol)474{475 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);476 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;477 unsigned short val;478 unsigned short mask, bitmask;479 480 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)481 ;482 if (ucontrol->value.enumerated.item[0] > e->mask - 1)483 return -EINVAL;484 val = ucontrol->value.enumerated.item[0] << e->shift_l;485 mask = (bitmask - 1) << e->shift_l;486 if (e->shift_l != e->shift_r) {487 if (ucontrol->value.enumerated.item[1] > e->mask - 1)488 return -EINVAL;489 val |= ucontrol->value.enumerated.item[1] << e->shift_r;490 mask |= (bitmask - 1) << e->shift_r;491 }492 return snd_ac97_update_bits(ac97, e->reg, mask, val);493}494 495/* save/restore ac97 v2.3 paging */496static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)497{498 int page_save = -1;499 if ((kcontrol->private_value & (1<<25)) &&500 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&501 (reg >= 0x60 && reg < 0x70)) {502 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;503 mutex_lock(&ac97->page_mutex); /* lock paging */504 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;505 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);506 }507 return page_save;508}509 510static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)511{512 if (page_save >= 0) {513 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);514 mutex_unlock(&ac97->page_mutex); /* unlock paging */515 }516}517 518/* volume and switch controls */519static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,520 struct snd_ctl_elem_info *uinfo)521{522 int mask = (kcontrol->private_value >> 16) & 0xff;523 int shift = (kcontrol->private_value >> 8) & 0x0f;524 int rshift = (kcontrol->private_value >> 12) & 0x0f;525 526 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;527 uinfo->count = shift == rshift ? 1 : 2;528 uinfo->value.integer.min = 0;529 uinfo->value.integer.max = mask;530 return 0;531}532 533static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,534 struct snd_ctl_elem_value *ucontrol)535{536 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);537 int reg = kcontrol->private_value & 0xff;538 int shift = (kcontrol->private_value >> 8) & 0x0f;539 int rshift = (kcontrol->private_value >> 12) & 0x0f;540 int mask = (kcontrol->private_value >> 16) & 0xff;541 int invert = (kcontrol->private_value >> 24) & 0x01;542 int page_save;543 544 page_save = snd_ac97_page_save(ac97, reg, kcontrol);545 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;546 if (shift != rshift)547 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;548 if (invert) {549 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];550 if (shift != rshift)551 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];552 }553 snd_ac97_page_restore(ac97, page_save);554 return 0;555}556 557static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,558 struct snd_ctl_elem_value *ucontrol)559{560 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);561 int reg = kcontrol->private_value & 0xff;562 int shift = (kcontrol->private_value >> 8) & 0x0f;563 int rshift = (kcontrol->private_value >> 12) & 0x0f;564 int mask = (kcontrol->private_value >> 16) & 0xff;565 int invert = (kcontrol->private_value >> 24) & 0x01;566 int err, page_save;567 unsigned short val, val2, val_mask;568 569 page_save = snd_ac97_page_save(ac97, reg, kcontrol);570 val = (ucontrol->value.integer.value[0] & mask);571 if (invert)572 val = mask - val;573 val_mask = mask << shift;574 val = val << shift;575 if (shift != rshift) {576 val2 = (ucontrol->value.integer.value[1] & mask);577 if (invert)578 val2 = mask - val2;579 val_mask |= mask << rshift;580 val |= val2 << rshift;581 }582 err = snd_ac97_update_bits(ac97, reg, val_mask, val);583 snd_ac97_page_restore(ac97, page_save);584#ifdef CONFIG_SND_AC97_POWER_SAVE585 /* check analog mixer power-down */586 if ((val_mask & AC97_PD_EAPD) &&587 (kcontrol->private_value & (1<<30))) {588 if (val & AC97_PD_EAPD)589 ac97->power_up &= ~(1 << (reg>>1));590 else591 ac97->power_up |= 1 << (reg>>1);592 update_power_regs(ac97);593 }594#endif595 return err;596}597 598static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {599AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),600AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)601};602 603static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {604AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1),605AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1)606};607 608static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =609 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);610 611 612static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};613static const char* std_3d_path[] = {"pre 3D", "post 3D"};614static const char* std_mix[] = {"Mix", "Mic"};615static const char* std_mic[] = {"Mic1", "Mic2"};616 617static const struct ac97_enum std_enum[] = {618AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),619AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),620AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),621AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),622};623 624static const struct snd_kcontrol_new snd_ac97_control_capture_src = 625AC97_ENUM("Capture Source", std_enum[0]); 626 627static const struct snd_kcontrol_new snd_ac97_control_capture_vol =628AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);629 630static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {631AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),632AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)633};634 635enum {636 AC97_GENERAL_PCM_OUT = 0,637 AC97_GENERAL_STEREO_ENHANCEMENT,638 AC97_GENERAL_3D,639 AC97_GENERAL_LOUDNESS,640 AC97_GENERAL_MONO,641 AC97_GENERAL_MIC,642 AC97_GENERAL_LOOPBACK643};644 645static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {646AC97_ENUM("PCM Out Path & Mute", std_enum[1]),647AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),648AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),649AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),650AC97_ENUM("Mono Output Select", std_enum[2]),651AC97_ENUM("Mic Select", std_enum[3]),652AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)653};654 655static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {656AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),657AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)658};659 660static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {661AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),662AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)663};664 665static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {666AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),667AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)668};669 670static const struct snd_kcontrol_new snd_ac97_control_eapd =671AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);672 673static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {674AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),675AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)676};677 678/* change the existing EAPD control as inverted */679static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)680{681 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);682 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */683 ac97->scaps |= AC97_SCAP_INV_EAPD;684}685 686static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)687{688 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;689 uinfo->count = 1;690 return 0;691}692 693static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)694{695 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |696 IEC958_AES0_NONAUDIO |697 IEC958_AES0_CON_EMPHASIS_5015 |698 IEC958_AES0_CON_NOT_COPYRIGHT;699 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |700 IEC958_AES1_CON_ORIGINAL;701 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;702 return 0;703}704 705static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)706{707 /* FIXME: AC'97 spec doesn't say which bits are used for what */708 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |709 IEC958_AES0_NONAUDIO |710 IEC958_AES0_PRO_FS |711 IEC958_AES0_PRO_EMPHASIS_5015;712 return 0;713}714 715static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)716{717 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);718 719 mutex_lock(&ac97->reg_mutex);720 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;721 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;722 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;723 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;724 mutex_unlock(&ac97->reg_mutex);725 return 0;726}727 728static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)729{730 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);731 unsigned int new = 0;732 unsigned short val = 0;733 int change;734 735 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);736 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {737 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);738 switch (new & IEC958_AES0_PRO_FS) {739 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;740 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;741 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;742 default: val |= 1<<12; break;743 }744 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)745 val |= 1<<3;746 } else {747 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);748 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);749 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);750 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)751 val |= 1<<3;752 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))753 val |= 1<<2;754 val |= ((new >> 8) & 0xff) << 4; // category + original755 switch ((new >> 24) & 0xff) {756 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;757 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;758 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;759 default: val |= 1<<12; break;760 }761 }762 763 mutex_lock(&ac97->reg_mutex);764 change = ac97->spdif_status != new;765 ac97->spdif_status = new;766 767 if (ac97->flags & AC97_CS_SPDIF) {768 int x = (val >> 12) & 0x03;769 switch (x) {770 case 0: x = 1; break; // 44.1771 case 2: x = 0; break; // 48.0772 default: x = 0; break; // illegal.773 }774 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));775 } else if (ac97->flags & AC97_CX_SPDIF) {776 int v;777 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;778 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;779 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, 780 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,781 v);782 } else if (ac97->id == AC97_ID_YMF743) {783 change |= snd_ac97_update_bits_nolock(ac97,784 AC97_YMF7X3_DIT_CTRL,785 0xff38,786 ((val << 4) & 0xff00) |787 ((val << 2) & 0x0038));788 } else {789 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);790 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */791 792 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);793 if (extst & AC97_EA_SPDIF) {794 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */795 }796 }797 mutex_unlock(&ac97->reg_mutex);798 799 return change;800}801 802static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)803{804 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);805 int reg = kcontrol->private_value & 0xff;806 int shift = (kcontrol->private_value >> 8) & 0x0f;807 int mask = (kcontrol->private_value >> 16) & 0xff;808 // int invert = (kcontrol->private_value >> 24) & 0xff;809 unsigned short value, old, new;810 int change;811 812 value = (ucontrol->value.integer.value[0] & mask);813 814 mutex_lock(&ac97->reg_mutex);815 mask <<= shift;816 value <<= shift;817 old = snd_ac97_read_cache(ac97, reg);818 new = (old & ~mask) | value;819 change = old != new;820 821 if (change) {822 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);823 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */824 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);825 if (extst & AC97_EA_SPDIF)826 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */827 }828 mutex_unlock(&ac97->reg_mutex);829 return change;830}831 832static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {833 {834 .access = SNDRV_CTL_ELEM_ACCESS_READ,835 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,836 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),837 .info = snd_ac97_spdif_mask_info,838 .get = snd_ac97_spdif_cmask_get,839 },840 {841 .access = SNDRV_CTL_ELEM_ACCESS_READ,842 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,843 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),844 .info = snd_ac97_spdif_mask_info,845 .get = snd_ac97_spdif_pmask_get,846 },847 {848 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,849 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),850 .info = snd_ac97_spdif_mask_info,851 .get = snd_ac97_spdif_default_get,852 .put = snd_ac97_spdif_default_put,853 },854 855 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),856 {857 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,858 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",859 .info = snd_ac97_info_volsw,860 .get = snd_ac97_get_volsw,861 .put = snd_ac97_put_spsa,862 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)863 },864};865 866#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \867{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \868 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \869 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }870 871static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)872{873 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);874 int mask = (kcontrol->private_value >> 16) & 0x0f;875 int lshift = (kcontrol->private_value >> 8) & 0x0f;876 int rshift = (kcontrol->private_value >> 12) & 0x0f;877 878 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;879 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))880 uinfo->count = 2;881 else882 uinfo->count = 1;883 uinfo->value.integer.min = 0;884 uinfo->value.integer.max = mask;885 return 0;886}887 888static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)889{890 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);891 int codec = kcontrol->private_value & 3;892 int lshift = (kcontrol->private_value >> 8) & 0x0f;893 int rshift = (kcontrol->private_value >> 12) & 0x0f;894 int mask = (kcontrol->private_value >> 16) & 0xff;895 896 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);897 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))898 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);899 return 0;900}901 902static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)903{904 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);905 int codec = kcontrol->private_value & 3;906 int lshift = (kcontrol->private_value >> 8) & 0x0f;907 int rshift = (kcontrol->private_value >> 12) & 0x0f;908 int mask = (kcontrol->private_value >> 16) & 0xff;909 unsigned short val, valmask;910 911 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;912 valmask = mask << lshift;913 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {914 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;915 valmask |= mask << rshift;916 }917 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);918}919 920#define AD18XX_PCM_VOLUME(xname, codec) \921{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \922 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \923 .private_value = codec }924 925static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)926{927 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;928 uinfo->count = 2;929 uinfo->value.integer.min = 0;930 uinfo->value.integer.max = 31;931 return 0;932}933 934static int snd_ac97_ad18xx_pcm_get_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;938 939 mutex_lock(&ac97->page_mutex);940 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);941 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);942 mutex_unlock(&ac97->page_mutex);943 return 0;944}945 946static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)947{948 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);949 int codec = kcontrol->private_value & 3;950 unsigned short val1, val2;951 952 val1 = 31 - (ucontrol->value.integer.value[0] & 31);953 val2 = 31 - (ucontrol->value.integer.value[1] & 31);954 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);955}956 957static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {958AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),959AD18XX_PCM_VOLUME("PCM Playback Volume", 0)960};961 962static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {963AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),964AD18XX_PCM_VOLUME("Surround Playback Volume", 1)965};966 967static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {968AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),969AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)970};971 972static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {973AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),974AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)975};976 977/*978 *979 */980 981static void snd_ac97_powerdown(struct snd_ac97 *ac97);982 983static int snd_ac97_bus_free(struct snd_ac97_bus *bus)984{985 if (bus) {986 snd_ac97_bus_proc_done(bus);987 kfree(bus->pcms);988 if (bus->private_free)989 bus->private_free(bus);990 kfree(bus);991 }992 return 0;993}994 995static int snd_ac97_bus_dev_free(struct snd_device *device)996{997 struct snd_ac97_bus *bus = device->device_data;998 return snd_ac97_bus_free(bus);999}1000 1001static int snd_ac97_free(struct snd_ac97 *ac97)1002{1003 if (ac97) {1004#ifdef CONFIG_SND_AC97_POWER_SAVE1005 cancel_delayed_work_sync(&ac97->power_work);1006#endif1007 snd_ac97_proc_done(ac97);1008 if (ac97->bus)1009 ac97->bus->codec[ac97->num] = NULL;1010 if (ac97->private_free)1011 ac97->private_free(ac97);1012 kfree(ac97);1013 }1014 return 0;1015}1016 1017static int snd_ac97_dev_free(struct snd_device *device)1018{1019 struct snd_ac97 *ac97 = device->device_data;1020 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */1021 return snd_ac97_free(ac97);1022}1023 1024static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)1025{1026 unsigned short val, mask = AC97_MUTE_MASK_MONO;1027 1028 if (! snd_ac97_valid_reg(ac97, reg))1029 return 0;1030 1031 switch (reg) {1032 case AC97_MASTER_TONE:1033 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0;1034 case AC97_HEADPHONE:1035 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0;1036 case AC97_REC_GAIN_MIC:1037 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0;1038 case AC97_3D_CONTROL:1039 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) {1040 val = snd_ac97_read(ac97, reg);1041 /* if nonzero - fixed and we can't set it */1042 return val == 0;1043 }1044 return 0;1045 case AC97_CENTER_LFE_MASTER: /* center */1046 if ((ac97->ext_id & AC97_EI_CDAC) == 0)1047 return 0;1048 break;1049 case AC97_CENTER_LFE_MASTER+1: /* lfe */1050 if ((ac97->ext_id & AC97_EI_LDAC) == 0)1051 return 0;1052 reg = AC97_CENTER_LFE_MASTER;1053 mask = 0x0080;1054 break;1055 case AC97_SURROUND_MASTER:1056 if ((ac97->ext_id & AC97_EI_SDAC) == 0)1057 return 0;1058 break;1059 }1060 1061 val = snd_ac97_read(ac97, reg);1062 if (!(val & mask)) {1063 /* nothing seems to be here - mute flag is not set */1064 /* try another test */1065 snd_ac97_write_cache(ac97, reg, val | mask);1066 val = snd_ac97_read(ac97, reg);1067 val = snd_ac97_read(ac97, reg);1068 if (!(val & mask))1069 return 0; /* nothing here */1070 }1071 return 1; /* success, useable */1072}1073 1074static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)1075{1076 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };1077 unsigned char max[3] = { 63, 31, 15 };1078 int i;1079 1080 /* first look up the static resolution table */1081 if (ac97->res_table) {1082 const struct snd_ac97_res_table *tbl;1083 for (tbl = ac97->res_table; tbl->reg; tbl++) {1084 if (tbl->reg == reg) {1085 *lo_max = tbl->bits & 0xff;1086 *hi_max = (tbl->bits >> 8) & 0xff;1087 return;1088 }1089 }1090 }1091 1092 *lo_max = *hi_max = 0;1093 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {1094 unsigned short val;1095 snd_ac97_write(1096 ac97, reg,1097 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8)1098 );1099 /* Do the read twice due to buffers on some ac97 codecs.1100 * e.g. The STAC9704 returns exactly what you wrote to the register1101 * if you read it immediately. This causes the detect routine to fail.1102 */1103 val = snd_ac97_read(ac97, reg);1104 val = snd_ac97_read(ac97, reg);1105 if (! *lo_max && (val & 0x7f) == cbit[i])1106 *lo_max = max[i];1107 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])1108 *hi_max = max[i];1109 if (*lo_max && *hi_max)1110 break;1111 }1112}1113 1114static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)1115{1116 unsigned short mask, val, orig, res;1117 1118 mask = 1 << bit;1119 orig = snd_ac97_read(ac97, reg);1120 val = orig ^ mask;1121 snd_ac97_write(ac97, reg, val);1122 res = snd_ac97_read(ac97, reg);1123 snd_ac97_write_cache(ac97, reg, orig);1124 return res == val;1125}1126 1127/* check the volume resolution of center/lfe */1128static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)1129{1130 unsigned short val, val1;1131 1132 *max = 63;1133 val = AC97_MUTE_MASK_STEREO | (0x20 << shift);1134 snd_ac97_write(ac97, reg, val);1135 val1 = snd_ac97_read(ac97, reg);1136 if (val != val1) {1137 *max = 31;1138 }1139 /* reset volume to zero */1140 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO);1141}1142 1143static inline int printable(unsigned int x)1144{1145 x &= 0xff;1146 if (x < ' ' || x >= 0x71) {1147 if (x <= 0x89)1148 return x - 0x71 + 'A';1149 return '?';1150 }1151 return x;1152}1153 1154static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,1155 struct snd_ac97 * ac97)1156{1157 struct snd_kcontrol_new template;1158 memcpy(&template, _template, sizeof(template));1159 template.index = ac97->num;1160 return snd_ctl_new1(&template, ac97);1161}1162 1163/*1164 * create mute switch(es) for normal stereo controls1165 */1166static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,1167 int check_stereo, int check_amix,1168 struct snd_ac97 *ac97)1169{1170 struct snd_kcontrol *kctl;1171 int err;1172 unsigned short val, val1, mute_mask;1173 1174 if (! snd_ac97_valid_reg(ac97, reg))1175 return 0;1176 1177 mute_mask = AC97_MUTE_MASK_MONO;1178 val = snd_ac97_read(ac97, reg);1179 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {1180 /* check whether both mute bits work */1181 val1 = val | AC97_MUTE_MASK_STEREO;1182 snd_ac97_write(ac97, reg, val1);1183 if (val1 == snd_ac97_read(ac97, reg))1184 mute_mask = AC97_MUTE_MASK_STEREO;1185 }1186 if (mute_mask == AC97_MUTE_MASK_STEREO) {1187 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);1188 if (check_amix)1189 tmp.private_value |= (1 << 30);1190 tmp.index = ac97->num;1191 kctl = snd_ctl_new1(&tmp, ac97);1192 } else {1193 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);1194 if (check_amix)1195 tmp.private_value |= (1 << 30);1196 tmp.index = ac97->num;1197 kctl = snd_ctl_new1(&tmp, ac97);1198 }1199 err = snd_ctl_add(card, kctl);1200 if (err < 0)1201 return err;1202 /* mute as default */1203 snd_ac97_write_cache(ac97, reg, val | mute_mask);1204 return 0;1205}1206 1207/*1208 * set dB information1209 */1210static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);1211static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);1212static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);1213static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);1214static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);1215 1216static const unsigned int *find_db_scale(unsigned int maxval)1217{1218 switch (maxval) {1219 case 0x0f: return db_scale_4bit;1220 case 0x1f: return db_scale_5bit;1221 case 0x3f: return db_scale_6bit;1222 }1223 return NULL;1224}1225 1226static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)1227{1228 kctl->tlv.p = tlv;1229 if (tlv)1230 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;1231}1232 1233/*1234 * create a volume for normal stereo/mono controls1235 */1236static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,1237 unsigned int hi_max, struct snd_ac97 *ac97)1238{1239 int err;1240 struct snd_kcontrol *kctl;1241 1242 if (! snd_ac97_valid_reg(ac97, reg))1243 return 0;1244 if (hi_max) {1245 /* invert */1246 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);1247 tmp.index = ac97->num;1248 kctl = snd_ctl_new1(&tmp, ac97);1249 } else {1250 /* invert */1251 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);1252 tmp.index = ac97->num;1253 kctl = snd_ctl_new1(&tmp, ac97);1254 }1255 if (!kctl)1256 return -ENOMEM;1257 if (reg >= AC97_PHONE && reg <= AC97_PCM)1258 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);1259 else1260 set_tlv_db_scale(kctl, find_db_scale(lo_max));1261 err = snd_ctl_add(card, kctl);1262 if (err < 0)1263 return err;1264 snd_ac97_write_cache(1265 ac97, reg,1266 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO)1267 | lo_max | (hi_max << 8)1268 );1269 return 0;1270}1271 1272/*1273 * create a mute-switch and a volume for normal stereo/mono controls1274 */1275static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,1276 int reg, int check_stereo, int check_amix,1277 struct snd_ac97 *ac97)1278{1279 int err;1280 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];1281 unsigned char lo_max, hi_max;1282 1283 if (! snd_ac97_valid_reg(ac97, reg))1284 return 0;1285 1286 if (snd_ac97_try_bit(ac97, reg, 15)) {1287 sprintf(name, "%s Switch", pfx);1288 err = snd_ac97_cmute_new_stereo(card, name, reg,1289 check_stereo, check_amix,1290 ac97);1291 if (err < 0)1292 return err;1293 }1294 check_volume_resolution(ac97, reg, &lo_max, &hi_max);1295 if (lo_max) {1296 sprintf(name, "%s Volume", pfx);1297 err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97);1298 if (err < 0)1299 return err;1300 }1301 return 0;1302}1303 1304#define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \1305 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)1306#define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \1307 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)1308 1309static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);1310 1311static int snd_ac97_mixer_build(struct snd_ac97 * ac97)1312{1313 struct snd_card *card = ac97->bus->card;1314 struct snd_kcontrol *kctl;1315 int err;1316 unsigned int idx;1317 unsigned char max;1318 1319 /* build master controls */1320 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */1321 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {1322 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)1323 err = snd_ac97_cmute_new(card, "Master Playback Switch",1324 AC97_MASTER, 0, ac97);1325 else1326 err = snd_ac97_cmix_new(card, "Master Playback",1327 AC97_MASTER, 0, ac97);1328 if (err < 0)1329 return err;1330 }1331 1332 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO;1333 1334 /* build center controls */1335 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 1336 && !(ac97->flags & AC97_AD_MULTI)) {1337 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97));1338 if (err < 0)1339 return err;1340 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97));1341 if (err < 0)1342 return err;1343 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);1344 kctl->private_value &= ~(0xff << 16);1345 kctl->private_value |= (int)max << 16;1346 set_tlv_db_scale(kctl, find_db_scale(max));1347 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);1348 }1349 1350 /* build LFE controls */1351 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))1352 && !(ac97->flags & AC97_AD_MULTI)) {1353 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97));1354 if (err < 0)1355 return err;1356 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97));1357 if (err < 0)1358 return err;1359 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);1360 kctl->private_value &= ~(0xff << 16);1361 kctl->private_value |= (int)max << 16;1362 set_tlv_db_scale(kctl, find_db_scale(max));1363 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);1364 }1365 1366 /* build surround controls */1367 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 1368 && !(ac97->flags & AC97_AD_MULTI)) {1369 /* Surround Master (0x38) is with stereo mutes */1370 err = snd_ac97_cmix_new_stereo(card, "Surround Playback",1371 AC97_SURROUND_MASTER, 1, 0,1372 ac97);1373 if (err < 0)1374 return err;1375 }1376 1377 /* build headphone controls */1378 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {1379 err = snd_ac97_cmix_new(card, "Headphone Playback",1380 AC97_HEADPHONE, 0, ac97);1381 if (err < 0)1382 return err;1383 }1384 1385 /* build master mono controls */1386 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {1387 err = snd_ac97_cmix_new(card, "Master Mono Playback",1388 AC97_MASTER_MONO, 0, ac97);1389 if (err < 0)1390 return err;1391 }1392 1393 /* build master tone controls */1394 if (!(ac97->flags & AC97_HAS_NO_TONE)) {1395 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {1396 for (idx = 0; idx < 2; idx++) {1397 kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97);1398 err = snd_ctl_add(card, kctl);1399 if (err < 0)1400 return err;1401 if (ac97->id == AC97_ID_YMF743 ||1402 ac97->id == AC97_ID_YMF753) {1403 kctl->private_value &= ~(0xff << 16);1404 kctl->private_value |= 7 << 16;1405 }1406 }1407 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);1408 }1409 }1410 1411 /* build Beep controls */1412 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && 1413 ((ac97->flags & AC97_HAS_PC_BEEP) ||1414 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {1415 for (idx = 0; idx < 2; idx++) {1416 kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97);1417 err = snd_ctl_add(card, kctl);1418 if (err < 0)1419 return err;1420 }1421 set_tlv_db_scale(kctl, db_scale_4bit);1422 snd_ac97_write_cache(1423 ac97,1424 AC97_PC_BEEP,1425 (snd_ac97_read(ac97, AC97_PC_BEEP)1426 | AC97_MUTE_MASK_MONO | 0x001e)1427 );1428 }1429 1430 /* build Phone controls */1431 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {1432 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {1433 err = snd_ac97_cmix_new(card, "Phone Playback",1434 AC97_PHONE, 1, ac97);1435 if (err < 0)1436 return err;1437 }1438 }1439 1440 /* build MIC controls */1441 if (!(ac97->flags & AC97_HAS_NO_MIC)) {1442 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {1443 err = snd_ac97_cmix_new(card, "Mic Playback",1444 AC97_MIC, 1, ac97);1445 if (err < 0)1446 return err;1447 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97));1448 if (err < 0)1449 return err;1450 }1451 }1452 1453 /* build Line controls */1454 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {1455 err = snd_ac97_cmix_new(card, "Line Playback",1456 AC97_LINE, 1, ac97);1457 if (err < 0)1458 return err;1459 }1460 1461 /* build CD controls */1462 if (!(ac97->flags & AC97_HAS_NO_CD)) {1463 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {1464 err = snd_ac97_cmix_new(card, "CD Playback",1465 AC97_CD, 1, ac97);1466 if (err < 0)1467 return err;1468 }1469 }1470 1471 /* build Video controls */1472 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {1473 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {1474 err = snd_ac97_cmix_new(card, "Video Playback",1475 AC97_VIDEO, 1, ac97);1476 if (err < 0)1477 return err;1478 }1479 }1480 1481 /* build Aux controls */1482 if (!(ac97->flags & AC97_HAS_NO_AUX)) {1483 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {1484 err = snd_ac97_cmix_new(card, "Aux Playback",1485 AC97_AUX, 1, ac97);1486 if (err < 0)1487 return err;1488 }1489 }1490 1491 /* build PCM controls */1492 if (ac97->flags & AC97_AD_MULTI) {1493 unsigned short init_val;1494 if (ac97->flags & AC97_STEREO_MUTES)1495 init_val = 0x9f9f;1496 else1497 init_val = 0x9f1f;1498 for (idx = 0; idx < 2; idx++) {1499 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97);1500 err = snd_ctl_add(card, kctl);1501 if (err < 0)1502 return err;1503 }1504 set_tlv_db_scale(kctl, db_scale_5bit);1505 ac97->spec.ad18xx.pcmreg[0] = init_val;1506 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {1507 for (idx = 0; idx < 2; idx++) {1508 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97);1509 err = snd_ctl_add(card, kctl);1510 if (err < 0)1511 return err;1512 }1513 set_tlv_db_scale(kctl, db_scale_5bit);1514 ac97->spec.ad18xx.pcmreg[1] = init_val;1515 }1516 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {1517 for (idx = 0; idx < 2; idx++) {1518 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97);1519 err = snd_ctl_add(card, kctl);1520 if (err < 0)1521 return err;1522 }1523 set_tlv_db_scale(kctl, db_scale_5bit);1524 for (idx = 0; idx < 2; idx++) {1525 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97);1526 err = snd_ctl_add(card, kctl);1527 if (err < 0)1528 return err;1529 }1530 set_tlv_db_scale(kctl, db_scale_5bit);1531 ac97->spec.ad18xx.pcmreg[2] = init_val;1532 }1533 snd_ac97_write_cache(ac97, AC97_PCM, init_val);1534 } else {1535 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {1536 if (ac97->flags & AC97_HAS_NO_PCM_VOL)1537 err = snd_ac97_cmute_new(card,1538 "PCM Playback Switch",1539 AC97_PCM, 0, ac97);1540 else1541 err = snd_ac97_cmix_new(card, "PCM Playback",1542 AC97_PCM, 0, ac97);1543 if (err < 0)1544 return err;1545 }1546 }1547 1548 /* build Capture controls */1549 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {1550 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97));1551 if (err < 0)1552 return err;1553 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {1554 err = snd_ac97_cmute_new(card, "Capture Switch",1555 AC97_REC_GAIN, 0, ac97);1556 if (err < 0)1557 return err;1558 }1559 kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97);1560 err = snd_ctl_add(card, kctl);1561 if (err < 0)1562 return err;1563 set_tlv_db_scale(kctl, db_scale_rec_gain);1564 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);1565 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);1566 }1567 /* build MIC Capture controls */1568 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {1569 for (idx = 0; idx < 2; idx++) {1570 kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97);1571 err = snd_ctl_add(card, kctl);1572 if (err < 0)1573 return err;1574 }1575 set_tlv_db_scale(kctl, db_scale_rec_gain);1576 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);1577 }1578 1579 /* build PCM out path & mute control */1580 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {1581 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97));1582 if (err < 0)1583 return err;1584 }1585 1586 /* build Simulated Stereo Enhancement control */1587 if (ac97->caps & AC97_BC_SIM_STEREO) {1588 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97));1589 if (err < 0)1590 return err;1591 }1592 1593 /* build 3D Stereo Enhancement control */1594 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {1595 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97));1596 if (err < 0)1597 return err;1598 }1599 1600 /* build Loudness control */1601 if (ac97->caps & AC97_BC_LOUDNESS) {1602 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97));1603 if (err < 0)1604 return err;1605 }1606 1607 /* build Mono output select control */1608 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {1609 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97));1610 if (err < 0)1611 return err;1612 }1613 1614 /* build Mic select control */1615 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {1616 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97));1617 if (err < 0)1618 return err;1619 }1620 1621 /* build ADC/DAC loopback control */1622 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {1623 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97));1624 if (err < 0)1625 return err;1626 }1627 1628 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);1629 1630 /* build 3D controls */1631 if (ac97->build_ops->build_3d) {1632 ac97->build_ops->build_3d(ac97);1633 } else {1634 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {1635 unsigned short val;1636 val = 0x0707;1637 snd_ac97_write(ac97, AC97_3D_CONTROL, val);1638 val = snd_ac97_read(ac97, AC97_3D_CONTROL);1639 val = val == 0x0606;1640 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97);1641 err = snd_ctl_add(card, kctl);1642 if (err < 0)1643 return err;1644 if (val)1645 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);1646 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97);1647 err = snd_ctl_add(card, kctl);1648 if (err < 0)1649 return err;1650 if (val)1651 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);1652 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);1653 }1654 }1655 1656 /* build S/PDIF controls */1657 1658 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */1659 if (ac97->subsystem_vendor == 0x1043 &&1660 ac97->subsystem_device == 0x810f)1661 ac97->ext_id |= AC97_EI_SPDIF;1662 1663 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {1664 if (ac97->build_ops->build_spdif) {1665 err = ac97->build_ops->build_spdif(ac97);1666 if (err < 0)1667 return err;1668 } else {1669 for (idx = 0; idx < 5; idx++) {1670 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97));1671 if (err < 0)1672 return err;1673 }1674 if (ac97->build_ops->build_post_spdif) {1675 err = ac97->build_ops->build_post_spdif(ac97);1676 if (err < 0)1677 return err;1678 }1679 /* set default PCM S/PDIF params */1680 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */1681 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);1682 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);1683 }1684 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;1685 }1686 1687 /* build chip specific controls */1688 if (ac97->build_ops->build_specific) {1689 err = ac97->build_ops->build_specific(ac97);1690 if (err < 0)1691 return err;1692 }1693 1694 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {1695 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);1696 if (! kctl)1697 return -ENOMEM;1698 if (ac97->scaps & AC97_SCAP_INV_EAPD)1699 set_inv_eapd(ac97, kctl);1700 err = snd_ctl_add(card, kctl);1701 if (err < 0)1702 return err;1703 }1704 1705 return 0;1706}1707 1708static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)1709{1710 int err, idx;1711 1712 /*1713 ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n",1714 snd_ac97_read(ac97,AC97_GPIO_CFG));1715 */1716 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));1717 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));1718 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);1719 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);1720 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);1721 1722 /* build modem switches */1723 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) {1724 err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97));1725 if (err < 0)1726 return err;1727 }1728 1729 /* build chip specific controls */1730 if (ac97->build_ops->build_specific) {1731 err = ac97->build_ops->build_specific(ac97);1732 if (err < 0)1733 return err;1734 }1735 1736 return 0;1737}1738 1739static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)1740{1741 unsigned short val;1742 unsigned int tmp;1743 1744 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;1745 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);1746 if (shadow_reg)1747 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);1748 val = snd_ac97_read(ac97, reg);1749 return val == (tmp & 0xffff);1750}1751 1752static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)1753{1754 unsigned int result = 0;1755 unsigned short saved;1756 1757 if (ac97->bus->no_vra) {1758 *r_result = SNDRV_PCM_RATE_48000;1759 if ((ac97->flags & AC97_DOUBLE_RATE) &&1760 reg == AC97_PCM_FRONT_DAC_RATE)1761 *r_result |= SNDRV_PCM_RATE_96000;1762 return;1763 }1764 1765 saved = snd_ac97_read(ac97, reg);1766 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)1767 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,1768 AC97_EA_DRA, 0);1769 /* test a non-standard rate */1770 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))1771 result |= SNDRV_PCM_RATE_CONTINUOUS;1772 /* let's try to obtain standard rates */1773 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))1774 result |= SNDRV_PCM_RATE_8000;1775 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))1776 result |= SNDRV_PCM_RATE_11025;1777 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))1778 result |= SNDRV_PCM_RATE_16000;1779 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))1780 result |= SNDRV_PCM_RATE_22050;1781 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))1782 result |= SNDRV_PCM_RATE_32000;1783 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))1784 result |= SNDRV_PCM_RATE_44100;1785 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))1786 result |= SNDRV_PCM_RATE_48000;1787 if ((ac97->flags & AC97_DOUBLE_RATE) &&1788 reg == AC97_PCM_FRONT_DAC_RATE) {1789 /* test standard double rates */1790 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,1791 AC97_EA_DRA, AC97_EA_DRA);1792 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))1793 result |= SNDRV_PCM_RATE_64000;1794 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))1795 result |= SNDRV_PCM_RATE_88200;1796 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))1797 result |= SNDRV_PCM_RATE_96000;1798 /* some codecs don't support variable double rates */1799 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))1800 result &= ~SNDRV_PCM_RATE_CONTINUOUS;1801 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,1802 AC97_EA_DRA, 0);1803 }1804 /* restore the default value */1805 snd_ac97_write_cache(ac97, reg, saved);1806 if (shadow_reg)1807 snd_ac97_write_cache(ac97, shadow_reg, saved);1808 *r_result = result;1809}1810 1811/* check AC97_SPDIF register to accept which sample rates */1812static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)1813{1814 unsigned int result = 0;1815 int i;1816 static const unsigned short ctl_bits[] = {1817 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K1818 };1819 static const unsigned int rate_bits[] = {1820 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_480001821 };1822 1823 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {1824 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);1825 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])1826 result |= rate_bits[i];1827 }1828 return result;1829}1830 1831/* look for the codec id table matching with the given id */1832static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,1833 unsigned int id)1834{1835 const struct ac97_codec_id *pid;1836 1837 for (pid = table; pid->id; pid++)1838 if (pid->id == (id & pid->mask))1839 return pid;1840 return NULL;1841}1842 1843void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)1844{1845 const struct ac97_codec_id *pid;1846 1847 sprintf(name, "0x%x %c%c%c", id,1848 printable(id >> 24),1849 printable(id >> 16),1850 printable(id >> 8));1851 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);1852 if (! pid)1853 return;1854 1855 strcpy(name, pid->name);1856 if (ac97 && pid->patch) {1857 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||1858 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))1859 pid->patch(ac97);1860 } 1861 1862 pid = look_for_codec_id(snd_ac97_codec_ids, id);1863 if (pid) {1864 strcat(name, " ");1865 strcat(name, pid->name);1866 if (pid->mask != 0xffffffff)1867 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);1868 if (ac97 && pid->patch) {1869 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||1870 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))1871 pid->patch(ac97);1872 }1873 } else1874 sprintf(name + strlen(name), " id %x", id & 0xff);1875}1876 1877/**1878 * snd_ac97_get_short_name - retrieve codec name1879 * @ac97: the codec instance1880 *1881 * Return: The short identifying name of the codec.1882 */1883const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)1884{1885 const struct ac97_codec_id *pid;1886 1887 for (pid = snd_ac97_codec_ids; pid->id; pid++)1888 if (pid->id == (ac97->id & pid->mask))1889 return pid->name;1890 return "unknown codec";1891}1892 1893EXPORT_SYMBOL(snd_ac97_get_short_name);1894 1895/* wait for a while until registers are accessible after RESET1896 * return 0 if ok, negative not ready1897 */1898static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)1899{1900 unsigned long end_time;1901 unsigned short val;1902 1903 end_time = jiffies + timeout;1904 do {1905 1906 /* use preliminary reads to settle the communication */1907 snd_ac97_read(ac97, AC97_RESET);1908 snd_ac97_read(ac97, AC97_VENDOR_ID1);1909 snd_ac97_read(ac97, AC97_VENDOR_ID2);1910 /* modem? */1911 if (with_modem) {1912 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);1913 if (val != 0xffff && (val & 1) != 0)1914 return 0;1915 }1916 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {1917 /* probably only Xbox issue - all registers are read as zero */1918 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);1919 if (val != 0 && val != 0xffff)1920 return 0;1921 } else {1922 /* because the PCM or MASTER volume registers can be modified,1923 * the REC_GAIN register is used for tests1924 */1925 /* test if we can write to the record gain volume register */1926 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);1927 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)1928 return 0;1929 }1930 schedule_timeout_uninterruptible(1);1931 } while (time_after_eq(end_time, jiffies));1932 return -ENODEV;1933}1934 1935/**1936 * snd_ac97_bus - create an AC97 bus component1937 * @card: the card instance1938 * @num: the bus number1939 * @ops: the bus callbacks table1940 * @private_data: private data pointer for the new instance1941 * @rbus: the pointer to store the new AC97 bus instance.1942 *1943 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly1944 * allocated and initialized.1945 *1946 * The ops table must include valid callbacks (at least read and1947 * write). The other callbacks, wait and reset, are not mandatory.1948 * 1949 * The clock is set to 48000. If another clock is needed, set1950 * ``(*rbus)->clock`` manually.1951 *1952 * The AC97 bus instance is registered as a low-level device, so you don't1953 * have to release it manually.1954 *1955 * Return: Zero if successful, or a negative error code on failure.1956 */1957int snd_ac97_bus(struct snd_card *card, int num,1958 const struct snd_ac97_bus_ops *ops,1959 void *private_data, struct snd_ac97_bus **rbus)1960{1961 int err;1962 struct snd_ac97_bus *bus;1963 static const struct snd_device_ops dev_ops = {1964 .dev_free = snd_ac97_bus_dev_free,1965 };1966 1967 if (snd_BUG_ON(!card))1968 return -EINVAL;1969 bus = kzalloc(sizeof(*bus), GFP_KERNEL);1970 if (bus == NULL)1971 return -ENOMEM;1972 bus->card = card;1973 bus->num = num;1974 bus->ops = ops;1975 bus->private_data = private_data;1976 bus->clock = 48000;1977 spin_lock_init(&bus->bus_lock);1978 snd_ac97_bus_proc_init(bus);1979 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);1980 if (err < 0) {1981 snd_ac97_bus_free(bus);1982 return err;1983 }1984 if (rbus)1985 *rbus = bus;1986 return 0;1987}1988 1989EXPORT_SYMBOL(snd_ac97_bus);1990 1991/* stop no dev release warning */1992static void ac97_device_release(struct device * dev)1993{1994}1995 1996/* register ac97 codec to bus */1997static int snd_ac97_dev_register(struct snd_device *device)1998{1999 struct snd_ac97 *ac97 = device->device_data;2000 int err;2001 2002 ac97->dev.bus = &ac97_bus_type;2003 ac97->dev.parent = ac97->bus->card->dev;2004 ac97->dev.release = ac97_device_release;2005 dev_set_name(&ac97->dev, "%d-%d:%s",2006 ac97->bus->card->number, ac97->num,2007 snd_ac97_get_short_name(ac97));2008 err = device_register(&ac97->dev);2009 if (err < 0) {2010 ac97_err(ac97, "Can't register ac97 bus\n");2011 put_device(&ac97->dev);2012 ac97->dev.bus = NULL;2013 return err;2014 }2015 return 0;2016}2017 2018/* disconnect ac97 codec */2019static int snd_ac97_dev_disconnect(struct snd_device *device)2020{2021 struct snd_ac97 *ac97 = device->device_data;2022 if (ac97->dev.bus)2023 device_unregister(&ac97->dev);2024 return 0;2025}2026 2027/* build_ops to do nothing */2028static const struct snd_ac97_build_ops null_build_ops;2029 2030#ifdef CONFIG_SND_AC97_POWER_SAVE2031static void do_update_power(struct work_struct *work)2032{2033 update_power_regs(2034 container_of(work, struct snd_ac97, power_work.work));2035}2036#endif2037 2038/**2039 * snd_ac97_mixer - create an Codec97 component2040 * @bus: the AC97 bus which codec is attached to2041 * @template: the template of ac97, including index, callbacks and2042 * the private data.2043 * @rac97: the pointer to store the new ac97 instance.2044 *2045 * Creates an Codec97 component. An struct snd_ac97 instance is newly2046 * allocated and initialized from the template. The codec2047 * is then initialized by the standard procedure.2048 *2049 * The template must include the codec number (num) and address (addr),2050 * and the private data (private_data).2051 * 2052 * The ac97 instance is registered as a low-level device, so you don't2053 * have to release it manually.2054 *2055 * Return: Zero if successful, or a negative error code on failure.2056 */2057int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)2058{2059 int err;2060 struct snd_ac97 *ac97;2061 struct snd_card *card;2062 char name[64];2063 unsigned long end_time;2064 unsigned int reg;2065 const struct ac97_codec_id *pid;2066 static const struct snd_device_ops ops = {2067 .dev_free = snd_ac97_dev_free,2068 .dev_register = snd_ac97_dev_register,2069 .dev_disconnect = snd_ac97_dev_disconnect,2070 };2071 2072 if (snd_BUG_ON(!bus || !template || !rac97))2073 return -EINVAL;2074 *rac97 = NULL;2075 if (snd_BUG_ON(template->num >= 4))2076 return -EINVAL;2077 if (bus->codec[template->num])2078 return -EBUSY;2079 2080 card = bus->card;2081 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);2082 if (ac97 == NULL)2083 return -ENOMEM;2084 ac97->private_data = template->private_data;2085 ac97->private_free = template->private_free;2086 ac97->bus = bus;2087 ac97->pci = template->pci;2088 ac97->num = template->num;2089 ac97->addr = template->addr;2090 ac97->scaps = template->scaps;2091 ac97->res_table = template->res_table;2092 bus->codec[ac97->num] = ac97;2093 mutex_init(&ac97->reg_mutex);2094 mutex_init(&ac97->page_mutex);2095#ifdef CONFIG_SND_AC97_POWER_SAVE2096 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);2097#endif2098 2099#ifdef CONFIG_PCI2100 if (ac97->pci) {2101 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);2102 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);2103 }2104#endif2105 if (bus->ops->reset) {2106 bus->ops->reset(ac97);2107 goto __access_ok;2108 }2109 2110 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;2111 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);2112 if (ac97->id && ac97->id != (unsigned int)-1) {2113 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);2114 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))2115 goto __access_ok;2116 }2117 2118 /* reset to defaults */2119 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))2120 snd_ac97_write(ac97, AC97_RESET, 0);2121 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))2122 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);2123 if (bus->ops->wait)2124 bus->ops->wait(ac97);2125 else {2126 udelay(50);2127 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)2128 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);2129 else {2130 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);2131 if (err < 0)2132 err = ac97_reset_wait(ac97,2133 msecs_to_jiffies(500), 1);2134 }2135 if (err < 0) {2136 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n",2137 ac97->num);2138 /* proceed anyway - it's often non-critical */2139 }2140 }2141 __access_ok:2142 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;2143 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);2144 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&2145 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {2146 ac97_err(ac97,2147 "AC'97 %d access is not valid [0x%x], removing mixer.\n",2148 ac97->num, ac97->id);2149 snd_ac97_free(ac97);2150 return -EIO;2151 }2152 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);2153 if (pid)2154 ac97->flags |= pid->flags;2155 2156 /* test for AC'97 */2157 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {2158 /* test if we can write to the record gain volume register */2159 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);2160 err = snd_ac97_read(ac97, AC97_REC_GAIN);2161 if ((err & 0x7fff) == 0x0a06)2162 ac97->scaps |= AC97_SCAP_AUDIO;2163 }2164 if (ac97->scaps & AC97_SCAP_AUDIO) {2165 ac97->caps = snd_ac97_read(ac97, AC97_RESET);2166 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);2167 if (ac97->ext_id == 0xffff) /* invalid combination */2168 ac97->ext_id = 0;2169 }2170 2171 /* test for MC'97 */2172 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {2173 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);2174 if (ac97->ext_mid == 0xffff) /* invalid combination */2175 ac97->ext_mid = 0;2176 if (ac97->ext_mid & 1)2177 ac97->scaps |= AC97_SCAP_MODEM;2178 }2179 2180 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {2181 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))2182 ac97_err(ac97,2183 "AC'97 %d access error (not audio or modem codec)\n",2184 ac97->num);2185 snd_ac97_free(ac97);2186 return -EACCES;2187 }2188 2189 if (bus->ops->reset) // FIXME: always skipping?2190 goto __ready_ok;2191 2192 /* FIXME: add powerdown control */2193 if (ac97_is_audio(ac97)) {2194 /* nothing should be in powerdown mode */2195 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);2196 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {2197 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */2198 udelay(100);2199 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);2200 }2201 /* nothing should be in powerdown mode */2202 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);2203 end_time = jiffies + msecs_to_jiffies(5000);2204 do {2205 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)2206 goto __ready_ok;2207 schedule_timeout_uninterruptible(1);2208 } while (time_after_eq(end_time, jiffies));2209 ac97_warn(ac97,2210 "AC'97 %d analog subsections not ready\n", ac97->num);2211 }2212 2213 /* FIXME: add powerdown control */2214 if (ac97_is_modem(ac97)) {2215 unsigned char tmp;2216 2217 /* nothing should be in powerdown mode */2218 /* note: it's important to set the rate at first */2219 tmp = AC97_MEA_GPIO;2220 if (ac97->ext_mid & AC97_MEI_LINE1) {2221 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);2222 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;2223 }2224 if (ac97->ext_mid & AC97_MEI_LINE2) {2225 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);2226 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;2227 }2228 if (ac97->ext_mid & AC97_MEI_HANDSET) {2229 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);2230 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;2231 }2232 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);2233 udelay(100);2234 /* nothing should be in powerdown mode */2235 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);2236 end_time = jiffies + msecs_to_jiffies(100);2237 do {2238 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)2239 goto __ready_ok;2240 schedule_timeout_uninterruptible(1);2241 } while (time_after_eq(end_time, jiffies));2242 ac97_warn(ac97,2243 "MC'97 %d converters and GPIO not ready (0x%x)\n",2244 ac97->num,2245 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));2246 }2247 2248 __ready_ok:2249 if (ac97_is_audio(ac97))2250 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;2251 else2252 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;2253 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */2254 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);2255 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */2256 if (! bus->no_vra)2257 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */2258 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);2259 }2260 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {2261 /* Intel controllers require double rate data to be put in2262 * slots 7+8, so let's hope the codec supports it. */2263 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);2264 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)2265 ac97->flags |= AC97_DOUBLE_RATE;2266 /* restore to slots 10/11 to avoid the confliction with surrounds */2267 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);2268 }2269 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */2270 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);2271 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);2272 } else {2273 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;2274 if (ac97->flags & AC97_DOUBLE_RATE)2275 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;2276 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;2277 }2278 if (ac97->ext_id & AC97_EI_SPDIF) {2279 /* codec specific code (patch) should override these values */2280 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;2281 }2282 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */2283 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);2284 } else {2285 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;2286 }2287 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */2288 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);2289 ac97->scaps |= AC97_SCAP_SURROUND_DAC;2290 }2291 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */2292 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);2293 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;2294 }2295 /* additional initializations */2296 if (bus->ops->init)2297 bus->ops->init(ac97);2298 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));2299 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code2300 if (! ac97->build_ops)2301 ac97->build_ops = &null_build_ops;2302 2303 if (ac97_is_audio(ac97)) {2304 char comp[16];2305 if (card->mixername[0] == '\0') {2306 strcpy(card->mixername, name);2307 } else {2308 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {2309 strcat(card->mixername, ",");2310 strcat(card->mixername, name);2311 }2312 }2313 sprintf(comp, "AC97a:%08x", ac97->id);2314 err = snd_component_add(card, comp);2315 if (err < 0) {2316 snd_ac97_free(ac97);2317 return err;2318 }2319 if (snd_ac97_mixer_build(ac97) < 0) {2320 snd_ac97_free(ac97);2321 return -ENOMEM;2322 }2323 }2324 if (ac97_is_modem(ac97)) {2325 char comp[16];2326 if (card->mixername[0] == '\0') {2327 strcpy(card->mixername, name);2328 } else {2329 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {2330 strcat(card->mixername, ",");2331 strcat(card->mixername, name);2332 }2333 }2334 sprintf(comp, "AC97m:%08x", ac97->id);2335 err = snd_component_add(card, comp);2336 if (err < 0) {2337 snd_ac97_free(ac97);2338 return err;2339 }2340 if (snd_ac97_modem_build(card, ac97) < 0) {2341 snd_ac97_free(ac97);2342 return -ENOMEM;2343 }2344 }2345 if (ac97_is_audio(ac97))2346 update_power_regs(ac97);2347 snd_ac97_proc_init(ac97);2348 err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops);2349 if (err < 0) {2350 snd_ac97_free(ac97);2351 return err;2352 }2353 *rac97 = ac97;2354 return 0;2355}2356 2357EXPORT_SYMBOL(snd_ac97_mixer);2358 2359/*2360 * Power down the chip.2361 *2362 * MASTER and HEADPHONE registers are muted but the register cache values2363 * are not changed, so that the values can be restored in snd_ac97_resume().2364 */2365static void snd_ac97_powerdown(struct snd_ac97 *ac97)2366{2367 unsigned short power;2368 2369 if (ac97_is_audio(ac97)) {2370 /* some codecs have stereo mute bits */2371 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);2372 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);2373 }2374 2375 /* surround, CLFE, mic powerdown */2376 power = ac97->regs[AC97_EXTENDED_STATUS];2377 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)2378 power |= AC97_EA_PRJ;2379 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)2380 power |= AC97_EA_PRI | AC97_EA_PRK;2381 power |= AC97_EA_PRL;2382 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);2383 2384 /* powerdown external amplifier */2385 if (ac97->scaps & AC97_SCAP_INV_EAPD)2386 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;2387 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))2388 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;2389 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */2390 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */2391 snd_ac97_write(ac97, AC97_POWERDOWN, power);2392 udelay(100);2393 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */2394 snd_ac97_write(ac97, AC97_POWERDOWN, power);2395 if (ac97_is_power_save_mode(ac97)) {2396 power |= AC97_PD_PR3; /* Analog Mixer powerdown */2397 snd_ac97_write(ac97, AC97_POWERDOWN, power);2398 udelay(100);2399 /* AC-link powerdown, internal Clk disable */2400 /* FIXME: this may cause click noises on some boards */2401 power |= AC97_PD_PR4 | AC97_PD_PR5;2402 snd_ac97_write(ac97, AC97_POWERDOWN, power);2403 }2404}2405 2406 2407struct ac97_power_reg {2408 unsigned short reg;2409 unsigned short power_reg;2410 unsigned short mask;2411};2412 2413enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };2414 2415static const struct ac97_power_reg power_regs[PWIDX_SIZE] = {2416 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},2417 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},2418 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,2419 AC97_EA_PRI | AC97_EA_PRK},2420 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,2421 AC97_EA_PRJ},2422 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,2423 AC97_EA_PRL},2424};2425 2426#ifdef CONFIG_SND_AC97_POWER_SAVE2427/**2428 * snd_ac97_update_power - update the powerdown register2429 * @ac97: the codec instance2430 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE2431 * @powerup: non-zero when power up the part2432 *2433 * Update the AC97 powerdown register bits of the given part.2434 *2435 * Return: Zero.2436 */2437int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)2438{2439 int i;2440 2441 if (! ac97)2442 return 0;2443 2444 if (reg) {2445 /* SPDIF requires DAC power, too */2446 if (reg == AC97_SPDIF)2447 reg = AC97_PCM_FRONT_DAC_RATE;2448 for (i = 0; i < PWIDX_SIZE; i++) {2449 if (power_regs[i].reg == reg) {2450 if (powerup)2451 ac97->power_up |= (1 << i);2452 else2453 ac97->power_up &= ~(1 << i);2454 break;2455 }2456 }2457 }2458 2459 if (ac97_is_power_save_mode(ac97) && !powerup)2460 /* adjust power-down bits after two seconds delay2461 * (for avoiding loud click noises for many (OSS) apps2462 * that open/close frequently)2463 */2464 schedule_delayed_work(&ac97->power_work,2465 msecs_to_jiffies(power_save * 1000));2466 else {2467 cancel_delayed_work(&ac97->power_work);2468 update_power_regs(ac97);2469 }2470 2471 return 0;2472}2473 2474EXPORT_SYMBOL(snd_ac97_update_power);2475#endif /* CONFIG_SND_AC97_POWER_SAVE */2476 2477static void update_power_regs(struct snd_ac97 *ac97)2478{2479 unsigned int power_up, bits;2480 int i;2481 2482 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);2483 power_up |= (1 << PWIDX_MIC);2484 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)2485 power_up |= (1 << PWIDX_SURR);2486 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)2487 power_up |= (1 << PWIDX_CLFE);2488#ifdef CONFIG_SND_AC97_POWER_SAVE2489 if (ac97_is_power_save_mode(ac97))2490 power_up = ac97->power_up;2491#endif2492 if (power_up) {2493 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {2494 /* needs power-up analog mix and vref */2495 snd_ac97_update_bits(ac97, AC97_POWERDOWN,2496 AC97_PD_PR3, 0);2497 msleep(1);2498 snd_ac97_update_bits(ac97, AC97_POWERDOWN,2499 AC97_PD_PR2, 0);2500 }2501 }2502 for (i = 0; i < PWIDX_SIZE; i++) {2503 if (power_up & (1 << i))2504 bits = 0;2505 else2506 bits = power_regs[i].mask;2507 snd_ac97_update_bits(ac97, power_regs[i].power_reg,2508 power_regs[i].mask, bits);2509 }2510 if (! power_up) {2511 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {2512 /* power down analog mix and vref */2513 snd_ac97_update_bits(ac97, AC97_POWERDOWN,2514 AC97_PD_PR2, AC97_PD_PR2);2515 snd_ac97_update_bits(ac97, AC97_POWERDOWN,2516 AC97_PD_PR3, AC97_PD_PR3);2517 }2518 }2519}2520 2521 2522#ifdef CONFIG_PM2523/**2524 * snd_ac97_suspend - General suspend function for AC97 codec2525 * @ac97: the ac97 instance2526 *2527 * Suspends the codec, power down the chip.2528 */2529void snd_ac97_suspend(struct snd_ac97 *ac97)2530{2531 if (! ac97)2532 return;2533 if (ac97->build_ops->suspend)2534 ac97->build_ops->suspend(ac97);2535#ifdef CONFIG_SND_AC97_POWER_SAVE2536 cancel_delayed_work_sync(&ac97->power_work);2537#endif2538 snd_ac97_powerdown(ac97);2539}2540 2541EXPORT_SYMBOL(snd_ac97_suspend);2542 2543/*2544 * restore ac97 status2545 */2546static void snd_ac97_restore_status(struct snd_ac97 *ac97)2547{2548 int i;2549 2550 for (i = 2; i < 0x7c ; i += 2) {2551 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)2552 continue;2553 /* restore only accessible registers2554 * some chip (e.g. nm256) may hang up when unsupported registers2555 * are accessed..!2556 */2557 if (test_bit(i, ac97->reg_accessed)) {2558 snd_ac97_write(ac97, i, ac97->regs[i]);2559 snd_ac97_read(ac97, i);2560 }2561 }2562}2563 2564/*2565 * restore IEC958 status2566 */2567static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)2568{2569 if (ac97->ext_id & AC97_EI_SPDIF) {2570 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {2571 /* reset spdif status */2572 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);2573 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);2574 if (ac97->flags & AC97_CS_SPDIF)2575 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);2576 else2577 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);2578 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */2579 }2580 }2581}2582 2583/**2584 * snd_ac97_resume - General resume function for AC97 codec2585 * @ac97: the ac97 instance2586 *2587 * Do the standard resume procedure, power up and restoring the2588 * old register values.2589 */2590void snd_ac97_resume(struct snd_ac97 *ac97)2591{2592 unsigned long end_time;2593 2594 if (! ac97)2595 return;2596 2597 if (ac97->bus->ops->reset) {2598 ac97->bus->ops->reset(ac97);2599 goto __reset_ready;2600 }2601 2602 snd_ac97_write(ac97, AC97_POWERDOWN, 0);2603 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {2604 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))2605 snd_ac97_write(ac97, AC97_RESET, 0);2606 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))2607 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);2608 udelay(100);2609 snd_ac97_write(ac97, AC97_POWERDOWN, 0);2610 }2611 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);2612 2613 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);2614 if (ac97_is_audio(ac97)) {2615 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);2616 end_time = jiffies + msecs_to_jiffies(100);2617 do {2618 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)2619 break;2620 schedule_timeout_uninterruptible(1);2621 } while (time_after_eq(end_time, jiffies));2622 /* FIXME: extra delay */2623 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO);2624 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO)2625 msleep(250);2626 } else {2627 end_time = jiffies + msecs_to_jiffies(100);2628 do {2629 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);2630 if (val != 0xffff && (val & 1) != 0)2631 break;2632 schedule_timeout_uninterruptible(1);2633 } while (time_after_eq(end_time, jiffies));2634 }2635__reset_ready:2636 2637 if (ac97->bus->ops->init)2638 ac97->bus->ops->init(ac97);2639 2640 if (ac97->build_ops->resume)2641 ac97->build_ops->resume(ac97);2642 else {2643 snd_ac97_restore_status(ac97);2644 snd_ac97_restore_iec958(ac97);2645 }2646}2647 2648EXPORT_SYMBOL(snd_ac97_resume);2649#endif2650 2651 2652/*2653 * Hardware tuning2654 */2655static void set_ctl_name(char *dst, const char *src, const char *suffix)2656{2657 const size_t msize = SNDRV_CTL_ELEM_ID_NAME_MAXLEN;2658 2659 if (suffix) {2660 if (snprintf(dst, msize, "%s %s", src, suffix) >= msize)2661 pr_warn("ALSA: AC97 control name '%s %s' truncated to '%s'\n",2662 src, suffix, dst);2663 } else {2664 if (strscpy(dst, src, msize) < 0)2665 pr_warn("ALSA: AC97 control name '%s' truncated to '%s'\n",2666 src, dst);2667 }2668}2669 2670/* remove the control with the given name and optional suffix */2671static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,2672 const char *suffix)2673{2674 struct snd_ctl_elem_id id;2675 memset(&id, 0, sizeof(id));2676 set_ctl_name(id.name, name, suffix);2677 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;2678 return snd_ctl_remove_id(ac97->bus->card, &id);2679}2680 2681static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)2682{2683 struct snd_ctl_elem_id sid;2684 memset(&sid, 0, sizeof(sid));2685 set_ctl_name(sid.name, name, suffix);2686 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;2687 return snd_ctl_find_id(ac97->bus->card, &sid);2688}2689 2690/* rename the control with the given name and optional suffix */2691static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,2692 const char *dst, const char *suffix)2693{2694 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);2695 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];2696 2697 if (kctl) {2698 set_ctl_name(name, dst, suffix);2699 snd_ctl_rename(ac97->bus->card, kctl, name);2700 return 0;2701 }2702 return -ENOENT;2703}2704 2705/* rename both Volume and Switch controls - don't check the return value */2706static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,2707 const char *dst)2708{2709 snd_ac97_rename_ctl(ac97, src, dst, "Switch");2710 snd_ac97_rename_ctl(ac97, src, dst, "Volume");2711}2712 2713/* swap controls */2714static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,2715 const char *s2, const char *suffix)2716{2717 struct snd_kcontrol *kctl1, *kctl2;2718 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];2719 2720 kctl1 = ctl_find(ac97, s1, suffix);2721 kctl2 = ctl_find(ac97, s2, suffix);2722 if (kctl1 && kctl2) {2723 set_ctl_name(name, s2, suffix);2724 snd_ctl_rename(ac97->bus->card, kctl1, name);2725 2726 set_ctl_name(name, s1, suffix);2727 snd_ctl_rename(ac97->bus->card, kctl2, name);2728 2729 return 0;2730 }2731 return -ENOENT;2732}2733 2734#if 12735/* bind hp and master controls instead of using only hp control */2736static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)2737{2738 int err = snd_ac97_put_volsw(kcontrol, ucontrol);2739 if (err > 0) {2740 unsigned long priv_saved = kcontrol->private_value;2741 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;2742 snd_ac97_put_volsw(kcontrol, ucontrol);2743 kcontrol->private_value = priv_saved;2744 }2745 return err;2746}2747 2748/* ac97 tune: bind Master and Headphone controls */2749static int tune_hp_only(struct snd_ac97 *ac97)2750{2751 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);2752 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);2753 if (! msw || ! mvol)2754 return -ENOENT;2755 msw->put = bind_hp_volsw_put;2756 mvol->put = bind_hp_volsw_put;2757 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");2758 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");2759 return 0;2760}2761 2762#else2763/* ac97 tune: use Headphone control as master */2764static int tune_hp_only(struct snd_ac97 *ac97)2765{2766 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)2767 return -ENOENT;2768 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");2769 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");2770 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");2771 return 0;2772}2773#endif2774 2775/* ac97 tune: swap Headphone and Master controls */2776static int tune_swap_hp(struct snd_ac97 *ac97)2777{2778 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)2779 return -ENOENT;2780 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");2781 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");2782 return 0;2783}2784 2785/* ac97 tune: swap Surround and Master controls */2786static int tune_swap_surround(struct snd_ac97 *ac97)2787{2788 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||2789 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))2790 return -ENOENT;2791 return 0;2792}2793 2794/* ac97 tune: set up mic sharing for AD codecs */2795static int tune_ad_sharing(struct snd_ac97 *ac97)2796{2797 unsigned short scfg;2798 if ((ac97->id & 0xffffff00) != 0x41445300) {2799 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n");2800 return -EINVAL;2801 }2802 /* Turn on OMS bit to route microphone to back panel */2803 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);2804 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);2805 return 0;2806}2807 2808static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 2809AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);2810 2811/* ac97 tune: set up ALC jack-select */2812static int tune_alc_jack(struct snd_ac97 *ac97)2813{2814 if ((ac97->id & 0xffffff00) != 0x414c4700) {2815 ac97_err(ac97,2816 "ac97_quirk ALC_JACK is only for Realtek codecs\n");2817 return -EINVAL;2818 }2819 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */2820 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */2821 if (ac97->id == AC97_ID_ALC658D)2822 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);2823 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));2824}2825 2826/* ac97 tune: inversed EAPD bit */2827static int tune_inv_eapd(struct snd_ac97 *ac97)2828{2829 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);2830 if (! kctl)2831 return -ENOENT;2832 set_inv_eapd(ac97, kctl);2833 return 0;2834}2835 2836static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)2837{2838 int err = snd_ac97_put_volsw(kcontrol, ucontrol);2839 if (err > 0) {2840 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);2841 int shift = (kcontrol->private_value >> 8) & 0x0f;2842 int rshift = (kcontrol->private_value >> 12) & 0x0f;2843 unsigned short mask;2844 if (shift != rshift)2845 mask = AC97_MUTE_MASK_STEREO;2846 else2847 mask = AC97_MUTE_MASK_MONO;2848 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,2849 (ac97->regs[AC97_MASTER] & mask) == mask ?2850 AC97_PD_EAPD : 0);2851 }2852 return err;2853}2854 2855/* ac97 tune: EAPD controls mute LED bound with the master mute */2856static int tune_mute_led(struct snd_ac97 *ac97)2857{2858 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);2859 if (! msw)2860 return -ENOENT;2861 msw->put = master_mute_sw_put;2862 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);2863 snd_ac97_update_bits(2864 ac97, AC97_POWERDOWN,2865 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */2866 );2867 ac97->scaps |= AC97_SCAP_EAPD_LED;2868 return 0;2869}2870 2871static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,2872 struct snd_ctl_elem_value *ucontrol)2873{2874 int err = bind_hp_volsw_put(kcontrol, ucontrol);2875 if (err > 0) {2876 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);2877 int shift = (kcontrol->private_value >> 8) & 0x0f;2878 int rshift = (kcontrol->private_value >> 12) & 0x0f;2879 unsigned short mask;2880 if (shift != rshift)2881 mask = AC97_MUTE_MASK_STEREO;2882 else2883 mask = AC97_MUTE_MASK_MONO;2884 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,2885 (ac97->regs[AC97_MASTER] & mask) == mask ?2886 AC97_PD_EAPD : 0);2887 }2888 return err;2889}2890 2891static int tune_hp_mute_led(struct snd_ac97 *ac97)2892{2893 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);2894 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);2895 if (! msw || ! mvol)2896 return -ENOENT;2897 msw->put = hp_master_mute_sw_put;2898 mvol->put = bind_hp_volsw_put;2899 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);2900 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");2901 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");2902 snd_ac97_update_bits(2903 ac97, AC97_POWERDOWN,2904 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */2905 );2906 return 0;2907}2908 2909struct quirk_table {2910 const char *name;2911 int (*func)(struct snd_ac97 *);2912};2913 2914static const struct quirk_table applicable_quirks[] = {2915 { "none", NULL },2916 { "hp_only", tune_hp_only },2917 { "swap_hp", tune_swap_hp },2918 { "swap_surround", tune_swap_surround },2919 { "ad_sharing", tune_ad_sharing },2920 { "alc_jack", tune_alc_jack },2921 { "inv_eapd", tune_inv_eapd },2922 { "mute_led", tune_mute_led },2923 { "hp_mute_led", tune_hp_mute_led },2924};2925 2926/* apply the quirk with the given type */2927static int apply_quirk(struct snd_ac97 *ac97, int type)2928{2929 if (type <= 0)2930 return 0;2931 else if (type >= ARRAY_SIZE(applicable_quirks))2932 return -EINVAL;2933 if (applicable_quirks[type].func)2934 return applicable_quirks[type].func(ac97);2935 return 0;2936}2937 2938/* apply the quirk with the given name */2939static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)2940{2941 int i;2942 const struct quirk_table *q;2943 2944 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {2945 q = &applicable_quirks[i];2946 if (q->name && ! strcmp(typestr, q->name))2947 return apply_quirk(ac97, i);2948 }2949 /* for compatibility, accept the numbers, too */2950 if (*typestr >= '0' && *typestr <= '9')2951 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));2952 return -EINVAL;2953}2954 2955/**2956 * snd_ac97_tune_hardware - tune up the hardware2957 * @ac97: the ac97 instance2958 * @quirk: quirk list2959 * @override: explicit quirk value (overrides the list if non-NULL)2960 *2961 * Do some workaround for each pci device, such as renaming of the2962 * headphone (true line-out) control as "Master".2963 * The quirk-list must be terminated with a zero-filled entry.2964 *2965 * Return: Zero if successful, or a negative error code on failure.2966 */2967 2968int snd_ac97_tune_hardware(struct snd_ac97 *ac97,2969 const struct ac97_quirk *quirk, const char *override)2970{2971 int result;2972 2973 /* quirk overriden? */2974 if (override && strcmp(override, "-1") && strcmp(override, "default")) {2975 result = apply_quirk_str(ac97, override);2976 if (result < 0)2977 ac97_err(ac97, "applying quirk type %s failed (%d)\n",2978 override, result);2979 return result;2980 }2981 2982 if (! quirk)2983 return -EINVAL;2984 2985 for (; quirk->subvendor; quirk++) {2986 if (quirk->subvendor != ac97->subsystem_vendor)2987 continue;2988 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||2989 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {2990 if (quirk->codec_id && quirk->codec_id != ac97->id)2991 continue;2992 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n",2993 quirk->name, ac97->subsystem_vendor,2994 ac97->subsystem_device);2995 result = apply_quirk(ac97, quirk->type);2996 if (result < 0)2997 ac97_err(ac97,2998 "applying quirk type %d for %s failed (%d)\n",2999 quirk->type, quirk->name, result);3000 return result;3001 }3002 }3003 return 0;3004}3005 3006EXPORT_SYMBOL(snd_ac97_tune_hardware);3007