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[deliverable/linux.git] / sound / pci / ac97 / ac97_codec.c
CommitLineData
1da177e4
LT		 1/*
2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * Universal interface for Audio Codec '97
4 *
5 * For more details look to AC '97 component specification revision 2.2
6 * by Intel Corporation (http://developer.intel.com).
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25#include <sound/driver.h>
26#include <linux/delay.h>
27#include <linux/init.h>
28#include <linux/slab.h>
29#include <linux/pci.h>
30#include <linux/moduleparam.h>
62932df8 31#include <linux/mutex.h>
1da177e4
LT		 32#include <sound/core.h>
33#include <sound/pcm.h>
2f3482fb 34#include <sound/tlv.h>
1da177e4
LT		 35#include <sound/ac97_codec.h>
36#include <sound/asoundef.h>
37#include <sound/initval.h>
38#include "ac97_local.h"
39#include "ac97_id.h"
40#include "ac97_patch.h"
41
42MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
43MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
44MODULE_LICENSE("GPL");
45
46static int enable_loopback;
47
48module_param(enable_loopback, bool, 0444);
49MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
50
6dbe6628
TI		 51#ifdef CONFIG_SND_AC97_POWER_SAVE
52static int power_save;
53module_param(power_save, bool, 0644);
54MODULE_PARM_DESC(power_save, "Enable AC97 power-saving control");
55#endif
1da177e4
LT		 56/*
57
58 */
59
ee42381e 60struct ac97_codec_id {
1da177e4
LT		 61 unsigned int id;
62 unsigned int mask;
63 const char *name;
ee42381e
TI		 64 int (*patch)(struct snd_ac97 *ac97);
65 int (*mpatch)(struct snd_ac97 *ac97);
1da177e4 66 unsigned int flags;
ee42381e 67};
1da177e4 68
ee42381e 69static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
1da177e4
LT		 70{ 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
71{ 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
72{ 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
73{ 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
74{ 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
75{ 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
76{ 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
77{ 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
78{ 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
79{ 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
80{ 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
81{ 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
82{ 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
83{ 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
84{ 0x50534300, 0xffffff00, "Philips", NULL, NULL },
85{ 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
86{ 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
87{ 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
88{ 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
89{ 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
90{ 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
91{ 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
92{ 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
93{ 0, 0, NULL, NULL, NULL }
94};
95
ee42381e 96static const struct ac97_codec_id snd_ac97_codec_ids[] = {
1da177e4
LT		 97{ 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
98{ 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
99{ 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
100{ 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
101{ 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
102{ 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
103{ 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
104{ 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
105{ 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
106{ 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
107{ 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
108{ 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
109{ 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
110{ 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
111{ 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
112{ 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
113{ 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
114{ 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL },
115{ 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
116{ 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
117{ 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
118{ 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
119{ 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
120{ 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
121{ 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
a5022b0d 122{ 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
1da177e4
LT		 123{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
124{ 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
125{ 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
126{ 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
127{ 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
128{ 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
129{ 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
130{ 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
5f0dccf8 131{ 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
f8cb2c45
JCD		 132{ 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL },
133{ 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL },
134{ 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL },
1da177e4
LT		 135{ 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
136{ 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
137{ 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
138{ 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
139{ 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
140{ 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
141{ 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
142{ 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
143{ 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
144{ 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
145{ 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
146{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
9398441e 147{ 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
1da177e4
LT		 148{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
149{ 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
150{ 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
151{ 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
152{ 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
153{ 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
154{ 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
155{ 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
156{ 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
157{ 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
158{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
ba22429d 159{ 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
82466ad7 160{ 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
87d61c29 161{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
1da177e4
LT		 162{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
163{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
164{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
165{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
166{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
167{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
4b499486 168{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
73864fc6 169{ 0x56494182, 0xffffffff, "VIA1618", NULL, NULL },
1da177e4
LT		 170{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
171{ 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
172{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
173{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
174{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
175{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
176{ 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
177{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
178{ 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
179{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
180{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
181{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
182{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
183{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
184{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
185{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
186{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
187{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
188{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
189{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
190{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
191{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
192{ 0, 0, NULL, NULL, NULL }
193};
194
1da177e4 195
6dbe6628
TI		 196static void update_power_regs(struct snd_ac97 *ac97);
197
1da177e4
LT		 198/*
199 * I/O routines
200 */
201
ee42381e 202static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
1da177e4 203{
1da177e4
LT		 204 /* filter some registers for buggy codecs */
205 switch (ac97->id) {
206 case AC97_ID_AK4540:
207 case AC97_ID_AK4542:
208 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
209 return 1;
210 return 0;
211 case AC97_ID_AD1819: /* AD1819 */
212 case AC97_ID_AD1881: /* AD1881 */
213 case AC97_ID_AD1881A: /* AD1881A */
214 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
215 return 0;
216 return 1;
217 case AC97_ID_AD1885: /* AD1885 */
218 case AC97_ID_AD1886: /* AD1886 */
219 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
220 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
221 if (reg == 0x5a)
222 return 1;
223 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
224 return 0;
225 return 1;
226 case AC97_ID_STAC9700:
227 case AC97_ID_STAC9704:
228 case AC97_ID_STAC9705:
229 case AC97_ID_STAC9708:
230 case AC97_ID_STAC9721:
231 case AC97_ID_STAC9744:
232 case AC97_ID_STAC9756:
233 if (reg <= 0x3a || reg >= 0x5a)
234 return 1;
235 return 0;
236 }
237 return 1;
238}
239
240/**
241 * snd_ac97_write - write a value on the given register
242 * @ac97: the ac97 instance
243 * @reg: the register to change
244 * @value: the value to set
245 *
246 * Writes a value on the given register. This will invoke the write
247 * callback directly after the register check.
248 * This function doesn't change the register cache unlike
249 * #snd_ca97_write_cache(), so use this only when you don't want to
250 * reflect the change to the suspend/resume state.
251 */
ee42381e 252void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 253{
254 if (!snd_ac97_valid_reg(ac97, reg))
255 return;
256 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
257 /* Fix H/W bug of ALC100/100P */
258 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
259 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
260 }
261 ac97->bus->ops->write(ac97, reg, value);
262}
263
7b09679c
TI		 264EXPORT_SYMBOL(snd_ac97_write);
265
1da177e4
LT		 266/**
267 * snd_ac97_read - read a value from the given register
268 *
269 * @ac97: the ac97 instance
270 * @reg: the register to read
271 *
272 * Reads a value from the given register. This will invoke the read
273 * callback directly after the register check.
274 *
275 * Returns the read value.
276 */
ee42381e 277unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 278{
279 if (!snd_ac97_valid_reg(ac97, reg))
280 return 0;
281 return ac97->bus->ops->read(ac97, reg);
282}
283
284/* read a register - return the cached value if already read */
ee42381e 285static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 286{
287 if (! test_bit(reg, ac97->reg_accessed)) {
288 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
289 // set_bit(reg, ac97->reg_accessed);
290 }
291 return ac97->regs[reg];
292}
293
7b09679c
TI		 294EXPORT_SYMBOL(snd_ac97_read);
295
1da177e4
LT		 296/**
297 * snd_ac97_write_cache - write a value on the given register and update the cache
298 * @ac97: the ac97 instance
299 * @reg: the register to change
300 * @value: the value to set
301 *
302 * Writes a value on the given register and updates the register
303 * cache. The cached values are used for the cached-read and the
304 * suspend/resume.
305 */
ee42381e 306void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 307{
308 if (!snd_ac97_valid_reg(ac97, reg))
309 return;
62932df8 310 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 311 ac97->regs[reg] = value;
312 ac97->bus->ops->write(ac97, reg, value);
313 set_bit(reg, ac97->reg_accessed);
62932df8 314 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 315}
316
7b09679c
TI		 317EXPORT_SYMBOL(snd_ac97_write_cache);
318
1da177e4
LT		 319/**
320 * snd_ac97_update - update the value on the given register
321 * @ac97: the ac97 instance
322 * @reg: the register to change
323 * @value: the value to set
324 *
325 * Compares the value with the register cache and updates the value
326 * only when the value is changed.
327 *
328 * Returns 1 if the value is changed, 0 if no change, or a negative
329 * code on failure.
330 */
ee42381e 331int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 332{
333 int change;
334
335 if (!snd_ac97_valid_reg(ac97, reg))
336 return -EINVAL;
62932df8 337 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 338 change = ac97->regs[reg] != value;
339 if (change) {
340 ac97->regs[reg] = value;
341 ac97->bus->ops->write(ac97, reg, value);
342 }
52b72388 343 set_bit(reg, ac97->reg_accessed);
62932df8 344 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 345 return change;
346}
347
7b09679c
TI		 348EXPORT_SYMBOL(snd_ac97_update);
349
1da177e4
LT		 350/**
351 * snd_ac97_update_bits - update the bits on the given register
352 * @ac97: the ac97 instance
353 * @reg: the register to change
354 * @mask: the bit-mask to change
355 * @value: the value to set
356 *
357 * Updates the masked-bits on the given register only when the value
358 * is changed.
359 *
360 * Returns 1 if the bits are changed, 0 if no change, or a negative
361 * code on failure.
362 */
ee42381e 363int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
1da177e4
LT		 364{
365 int change;
366
367 if (!snd_ac97_valid_reg(ac97, reg))
368 return -EINVAL;
62932df8 369 mutex_lock(&ac97->reg_mutex);
1da177e4 370 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
62932df8 371 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 372 return change;
373}
374
7b09679c
TI		 375EXPORT_SYMBOL(snd_ac97_update_bits);
376
1da177e4 377/* no lock version - see snd_ac97_updat_bits() */
ee42381e 378int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
1da177e4
LT		 379 unsigned short mask, unsigned short value)
380{
381 int change;
382 unsigned short old, new;
383
384 old = snd_ac97_read_cache(ac97, reg);
e8bb036a 385 new = (old & ~mask) | (value & mask);
1da177e4
LT		 386 change = old != new;
387 if (change) {
388 ac97->regs[reg] = new;
389 ac97->bus->ops->write(ac97, reg, new);
390 }
52b72388 391 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 392 return change;
393}
394
ee42381e 395static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
1da177e4
LT		 396{
397 int change;
398 unsigned short old, new, cfg;
399
62932df8 400 mutex_lock(&ac97->page_mutex);
1da177e4 401 old = ac97->spec.ad18xx.pcmreg[codec];
e8bb036a 402 new = (old & ~mask) | (value & mask);
1da177e4
LT		 403 change = old != new;
404 if (change) {
62932df8 405 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 406 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
407 ac97->spec.ad18xx.pcmreg[codec] = new;
408 /* select single codec */
409 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
410 (cfg & ~0x7000) |
411 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
412 /* update PCM bits */
413 ac97->bus->ops->write(ac97, AC97_PCM, new);
414 /* select all codecs */
415 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
416 cfg | 0x7000);
62932df8 417 mutex_unlock(&ac97->reg_mutex);
1da177e4 418 }
62932df8 419 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 420 return change;
421}
422
423/*
424 * Controls
425 */
426
ee42381e 427int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 428{
429 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
430
431 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
432 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
433 uinfo->value.enumerated.items = e->mask;
434
435 if (uinfo->value.enumerated.item > e->mask - 1)
436 uinfo->value.enumerated.item = e->mask - 1;
437 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
438 return 0;
439}
440
ee42381e 441int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 442{
ee42381e 443 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 444 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 445 unsigned short val, bitmask;
1da177e4 446
b16760bb 447 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 448 ;
1da177e4 449 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 450 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 451 if (e->shift_l != e->shift_r)
5f0dccf8 452 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 453
454 return 0;
455}
456
ee42381e 457int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 458{
ee42381e 459 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 460 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
461 unsigned short val;
5f0dccf8 462 unsigned short mask, bitmask;
1da177e4 463
b16760bb 464 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 465 ;
1da177e4
LT		 466 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
467 return -EINVAL;
468 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 469 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 470 if (e->shift_l != e->shift_r) {
471 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
472 return -EINVAL;
473 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 474 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 475 }
476 return snd_ac97_update_bits(ac97, e->reg, mask, val);
477}
478
479/* save/restore ac97 v2.3 paging */
ee42381e 480static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
1da177e4
LT		 481{
482 int page_save = -1;
483 if ((kcontrol->private_value & (1<<25)) &&
484 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
485 (reg >= 0x60 && reg < 0x70)) {
486 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
62932df8 487 mutex_lock(&ac97->page_mutex); /* lock paging */
1da177e4
LT		 488 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
489 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
490 }
491 return page_save;
492}
493
ee42381e 494static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
1da177e4
LT		 495{
496 if (page_save >= 0) {
497 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
62932df8 498 mutex_unlock(&ac97->page_mutex); /* unlock paging */
1da177e4
LT		 499 }
500}
501
502/* volume and switch controls */
ee42381e 503int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 504{
505 int mask = (kcontrol->private_value >> 16) & 0xff;
506 int shift = (kcontrol->private_value >> 8) & 0x0f;
507 int rshift = (kcontrol->private_value >> 12) & 0x0f;
508
509 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
510 uinfo->count = shift == rshift ? 1 : 2;
511 uinfo->value.integer.min = 0;
512 uinfo->value.integer.max = mask;
513 return 0;
514}
515
ee42381e 516int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 517{
ee42381e 518 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 519 int reg = kcontrol->private_value & 0xff;
520 int shift = (kcontrol->private_value >> 8) & 0x0f;
521 int rshift = (kcontrol->private_value >> 12) & 0x0f;
522 int mask = (kcontrol->private_value >> 16) & 0xff;
523 int invert = (kcontrol->private_value >> 24) & 0x01;
524 int page_save;
525
526 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
527 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
528 if (shift != rshift)
529 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
530 if (invert) {
531 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
532 if (shift != rshift)
533 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
534 }
535 snd_ac97_page_restore(ac97, page_save);
536 return 0;
537}
538
ee42381e 539int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 540{
ee42381e 541 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 542 int reg = kcontrol->private_value & 0xff;
543 int shift = (kcontrol->private_value >> 8) & 0x0f;
544 int rshift = (kcontrol->private_value >> 12) & 0x0f;
545 int mask = (kcontrol->private_value >> 16) & 0xff;
546 int invert = (kcontrol->private_value >> 24) & 0x01;
547 int err, page_save;
548 unsigned short val, val2, val_mask;
549
550 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
551 val = (ucontrol->value.integer.value[0] & mask);
552 if (invert)
553 val = mask - val;
554 val_mask = mask << shift;
555 val = val << shift;
556 if (shift != rshift) {
557 val2 = (ucontrol->value.integer.value[1] & mask);
558 if (invert)
559 val2 = mask - val2;
560 val_mask |= mask << rshift;
561 val |= val2 << rshift;
562 }
563 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
564 snd_ac97_page_restore(ac97, page_save);
6dbe6628
TI		 565#ifdef CONFIG_SND_AC97_POWER_SAVE
566 /* check analog mixer power-down */
567 if ((val_mask & 0x8000) &&
568 (kcontrol->private_value & (1<<30))) {
569 if (val & 0x8000)
570 ac97->power_up &= ~(1 << (reg>>1));
571 else
572 ac97->power_up |= 1 << (reg>>1);
da43deb1 573 update_power_regs(ac97);
6dbe6628
TI		 574 }
575#endif
1da177e4
LT		 576 return err;
577}
578
ee42381e 579static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
1da177e4
LT		 580AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
581AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
582};
583
ee42381e 584static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
1da177e4
LT		 585AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
586AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
587};
588
ee42381e 589static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
1da177e4
LT		 590AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
591AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
592};
593
ee42381e 594static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
7931e2a9 595 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
1da177e4
LT		 596
597
598static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
599static const char* std_3d_path[] = {"pre 3D", "post 3D"};
600static const char* std_mix[] = {"Mix", "Mic"};
601static const char* std_mic[] = {"Mic1", "Mic2"};
602
603static const struct ac97_enum std_enum[] = {
604AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
605AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
606AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
607AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
608};
609
ee42381e 610static const struct snd_kcontrol_new snd_ac97_control_capture_src =
1da177e4
LT		 611AC97_ENUM("Capture Source", std_enum[0]);
612
ee42381e 613static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
1da177e4
LT		 614AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
615
ee42381e 616static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
1da177e4
LT		 617AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
618AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
619};
620
ee42381e 621enum {
1da177e4
LT		 622 AC97_GENERAL_PCM_OUT = 0,
623 AC97_GENERAL_STEREO_ENHANCEMENT,
624 AC97_GENERAL_3D,
625 AC97_GENERAL_LOUDNESS,
626 AC97_GENERAL_MONO,
627 AC97_GENERAL_MIC,
628 AC97_GENERAL_LOOPBACK
ee42381e 629};
1da177e4 630
ee42381e 631static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
1da177e4
LT		 632AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
633AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
634AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
635AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
636AC97_ENUM("Mono Output Select", std_enum[2]),
7931e2a9 637AC97_ENUM("Mic Select", std_enum[3]),
1da177e4
LT		 638AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
639};
640
ee42381e 641const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
1da177e4
LT		 642AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
643AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
644};
645
ee42381e 646static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
1da177e4
LT		 647AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
648AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
649};
650
ee42381e 651static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
1da177e4
LT		 652AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
653AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
654};
655
ee42381e 656static const struct snd_kcontrol_new snd_ac97_control_eapd =
1da177e4
LT		 657AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
658
ee42381e 659static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
87d61c29
SK		 660AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
661AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
662};
663
1da177e4 664/* change the existing EAPD control as inverted */
ee42381e 665static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
1da177e4
LT		 666{
667 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
668 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
669 ac97->scaps |= AC97_SCAP_INV_EAPD;
670}
671
ee42381e 672static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 673{
674 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
675 uinfo->count = 1;
676 return 0;
677}
678
ee42381e 679static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 680{
681 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
682 IEC958_AES0_NONAUDIO |
683 IEC958_AES0_CON_EMPHASIS_5015 |
684 IEC958_AES0_CON_NOT_COPYRIGHT;
685 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
686 IEC958_AES1_CON_ORIGINAL;
687 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
688 return 0;
689}
690
ee42381e 691static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 692{
693 /* FIXME: AC'97 spec doesn't say which bits are used for what */
694 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
695 IEC958_AES0_NONAUDIO |
696 IEC958_AES0_PRO_FS |
697 IEC958_AES0_PRO_EMPHASIS_5015;
698 return 0;
699}
700
ee42381e 701static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 702{
ee42381e 703 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 704
62932df8 705 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 706 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
707 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
708 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
709 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
62932df8 710 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 711 return 0;
712}
713
ee42381e 714static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 715{
ee42381e 716 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 717 unsigned int new = 0;
718 unsigned short val = 0;
719 int change;
720
721 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
722 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
723 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
724 switch (new & IEC958_AES0_PRO_FS) {
725 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
726 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
727 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
728 default: val |= 1<<12; break;
729 }
730 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
731 val |= 1<<3;
732 } else {
733 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
734 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
735 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
736 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
737 val |= 1<<3;
738 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
739 val |= 1<<2;
740 val |= ((new >> 8) & 0xff) << 4; // category + original
741 switch ((new >> 24) & 0xff) {
742 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
743 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
744 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
745 default: val |= 1<<12; break;
746 }
747 }
748
62932df8 749 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 750 change = ac97->spdif_status != new;
751 ac97->spdif_status = new;
752
753 if (ac97->flags & AC97_CS_SPDIF) {
754 int x = (val >> 12) & 0x03;
755 switch (x) {
756 case 0: x = 1; break; // 44.1
757 case 2: x = 0; break; // 48.0
758 default: x = 0; break; // illegal.
759 }
760 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
761 } else if (ac97->flags & AC97_CX_SPDIF) {
762 int v;
763 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
764 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
765 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
766 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
767 v);
768 } else {
769 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
770 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
771
772 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
773 if (extst & AC97_EA_SPDIF) {
774 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
775 }
776 }
62932df8 777 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 778
779 return change;
780}
781
ee42381e 782static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 783{
ee42381e 784 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 785 int reg = kcontrol->private_value & 0xff;
786 int shift = (kcontrol->private_value >> 8) & 0xff;
787 int mask = (kcontrol->private_value >> 16) & 0xff;
788 // int invert = (kcontrol->private_value >> 24) & 0xff;
789 unsigned short value, old, new;
790 int change;
791
792 value = (ucontrol->value.integer.value[0] & mask);
793
62932df8 794 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 795 mask <<= shift;
796 value <<= shift;
797 old = snd_ac97_read_cache(ac97, reg);
798 new = (old & ~mask) | value;
799 change = old != new;
800
801 if (change) {
802 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
803 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
804 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
805 if (extst & AC97_EA_SPDIF)
806 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
807 }
62932df8 808 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 809 return change;
810}
811
ee42381e 812const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
1da177e4
LT		 813 {
814 .access = SNDRV_CTL_ELEM_ACCESS_READ,
815 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
816 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
817 .info = snd_ac97_spdif_mask_info,
818 .get = snd_ac97_spdif_cmask_get,
819 },
820 {
821 .access = SNDRV_CTL_ELEM_ACCESS_READ,
822 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
823 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
824 .info = snd_ac97_spdif_mask_info,
825 .get = snd_ac97_spdif_pmask_get,
826 },
827 {
828 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
829 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
830 .info = snd_ac97_spdif_mask_info,
831 .get = snd_ac97_spdif_default_get,
832 .put = snd_ac97_spdif_default_put,
833 },
834
835 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
836 {
837 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
838 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
839 .info = snd_ac97_info_volsw,
840 .get = snd_ac97_get_volsw,
841 .put = snd_ac97_put_spsa,
842 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
843 },
844};
845
846#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
847{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
848 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
849 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
850
ee42381e 851static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4 852{
ee42381e 853 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 854 int mask = (kcontrol->private_value >> 16) & 0x0f;
855 int lshift = (kcontrol->private_value >> 8) & 0x0f;
856 int rshift = (kcontrol->private_value >> 12) & 0x0f;
857
858 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
859 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
860 uinfo->count = 2;
861 else
862 uinfo->count = 1;
863 uinfo->value.integer.min = 0;
864 uinfo->value.integer.max = mask;
865 return 0;
866}
867
ee42381e 868static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 869{
ee42381e 870 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 871 int codec = kcontrol->private_value & 3;
872 int lshift = (kcontrol->private_value >> 8) & 0x0f;
873 int rshift = (kcontrol->private_value >> 12) & 0x0f;
874 int mask = (kcontrol->private_value >> 16) & 0xff;
875
876 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
877 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
878 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
879 return 0;
880}
881
ee42381e 882static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 883{
ee42381e 884 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 885 int codec = kcontrol->private_value & 3;
886 int lshift = (kcontrol->private_value >> 8) & 0x0f;
887 int rshift = (kcontrol->private_value >> 12) & 0x0f;
888 int mask = (kcontrol->private_value >> 16) & 0xff;
889 unsigned short val, valmask;
890
891 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
892 valmask = mask << lshift;
893 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
894 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
895 valmask |= mask << rshift;
896 }
897 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
898}
899
900#define AD18XX_PCM_VOLUME(xname, codec) \
901{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
902 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
903 .private_value = codec }
904
ee42381e 905static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 906{
907 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
908 uinfo->count = 2;
909 uinfo->value.integer.min = 0;
910 uinfo->value.integer.max = 31;
911 return 0;
912}
913
ee42381e 914static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 915{
ee42381e 916 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 917 int codec = kcontrol->private_value & 3;
918
62932df8 919 mutex_lock(&ac97->page_mutex);
1da177e4
LT		 920 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
921 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
62932df8 922 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 923 return 0;
924}
925
ee42381e 926static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 927{
ee42381e 928 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 929 int codec = kcontrol->private_value & 3;
930 unsigned short val1, val2;
931
932 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
933 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
934 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
935}
936
ee42381e 937static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
1da177e4
LT		 938AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
939AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
940};
941
ee42381e 942static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
1da177e4
LT		 943AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
944AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
945};
946
ee42381e 947static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
1da177e4
LT		 948AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
949AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
950};
951
ee42381e 952static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
1da177e4
LT		 953AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
954AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
955};
956
957/*
958 *
959 */
960
ee42381e 961static void snd_ac97_powerdown(struct snd_ac97 *ac97);
1da177e4 962
ee42381e 963static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
1da177e4
LT		 964{
965 if (bus) {
966 snd_ac97_bus_proc_done(bus);
967 kfree(bus->pcms);
968 if (bus->private_free)
969 bus->private_free(bus);
970 kfree(bus);
971 }
972 return 0;
973}
974
ee42381e 975static int snd_ac97_bus_dev_free(struct snd_device *device)
1da177e4 976{
ee42381e 977 struct snd_ac97_bus *bus = device->device_data;
1da177e4
LT		 978 return snd_ac97_bus_free(bus);
979}
980
ee42381e 981static int snd_ac97_free(struct snd_ac97 *ac97)
1da177e4
LT		 982{
983 if (ac97) {
6dbe6628
TI		 984#ifdef CONFIG_SND_AC97_POWER_SAVE
985 if (ac97->power_workq)
986 destroy_workqueue(ac97->power_workq);
987#endif
1da177e4 988 snd_ac97_proc_done(ac97);
2ba71978 989 if (ac97->bus)
1da177e4 990 ac97->bus->codec[ac97->num] = NULL;
1da177e4
LT		 991 if (ac97->private_free)
992 ac97->private_free(ac97);
993 kfree(ac97);
994 }
995 return 0;
996}
997
ee42381e 998static int snd_ac97_dev_free(struct snd_device *device)
1da177e4 999{
ee42381e 1000 struct snd_ac97 *ac97 = device->device_data;
1da177e4
LT		 1001 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1002 return snd_ac97_free(ac97);
1003}
1004
ee42381e 1005static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1da177e4
LT		 1006{
1007 unsigned short val, mask = 0x8000;
1008
1009 if (! snd_ac97_valid_reg(ac97, reg))
1010 return 0;
1011
1012 switch (reg) {
1013 case AC97_MASTER_TONE:
1014 return ac97->caps & 0x04 ? 1 : 0;
1015 case AC97_HEADPHONE:
1016 return ac97->caps & 0x10 ? 1 : 0;
1017 case AC97_REC_GAIN_MIC:
1018 return ac97->caps & 0x01 ? 1 : 0;
1019 case AC97_3D_CONTROL:
1020 if (ac97->caps & 0x7c00) {
1021 val = snd_ac97_read(ac97, reg);
1022 /* if nonzero - fixed and we can't set it */
1023 return val == 0;
1024 }
1025 return 0;
1026 case AC97_CENTER_LFE_MASTER: /* center */
1027 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1028 return 0;
1029 break;
1030 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1031 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1032 return 0;
1033 reg = AC97_CENTER_LFE_MASTER;
1034 mask = 0x0080;
1035 break;
1036 case AC97_SURROUND_MASTER:
1037 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1038 return 0;
1039 break;
1040 }
1041
1da177e4
LT		 1042 val = snd_ac97_read(ac97, reg);
1043 if (!(val & mask)) {
1044 /* nothing seems to be here - mute flag is not set */
1045 /* try another test */
1046 snd_ac97_write_cache(ac97, reg, val | mask);
1047 val = snd_ac97_read(ac97, reg);
ee42381e 1048 val = snd_ac97_read(ac97, reg);
1da177e4
LT		 1049 if (!(val & mask))
1050 return 0; /* nothing here */
1051 }
1052 return 1; /* success, useable */
1053}
1054
ee42381e 1055static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1da177e4
LT		 1056{
1057 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1058 unsigned char max[3] = { 63, 31, 15 };
1059 int i;
1060
50dabc2d
TI		 1061 /* first look up the static resolution table */
1062 if (ac97->res_table) {
1063 const struct snd_ac97_res_table *tbl;
1064 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1065 if (tbl->reg == reg) {
1066 *lo_max = tbl->bits & 0xff;
1067 *hi_max = (tbl->bits >> 8) & 0xff;
1068 return;
1069 }
1070 }
1071 }
1072
1da177e4
LT		 1073 *lo_max = *hi_max = 0;
1074 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1075 unsigned short val;
1076 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
c9eab129
JCD		 1077 /* Do the read twice due to buffers on some ac97 codecs.
1078 * e.g. The STAC9704 returns exactly what you wrote the the register
1079 * if you read it immediately. This causes the detect routine to fail.
1080 */
1081 val = snd_ac97_read(ac97, reg);
1da177e4 1082 val = snd_ac97_read(ac97, reg);
a2142674 1083 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1084 *lo_max = max[i];
a2142674 1085 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1086 *hi_max = max[i];
1087 if (*lo_max && *hi_max)
1088 break;
1089 }
1090}
1091
ee42381e 1092int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1da177e4
LT		 1093{
1094 unsigned short mask, val, orig, res;
1095
1096 mask = 1 << bit;
1097 orig = snd_ac97_read(ac97, reg);
1098 val = orig ^ mask;
1099 snd_ac97_write(ac97, reg, val);
1100 res = snd_ac97_read(ac97, reg);
1101 snd_ac97_write_cache(ac97, reg, orig);
1102 return res == val;
1103}
1104
1105/* check the volume resolution of center/lfe */
ee42381e 1106static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1da177e4
LT		 1107{
1108 unsigned short val, val1;
1109
1110 *max = 63;
1111 val = 0x8080 | (0x20 << shift);
1112 snd_ac97_write(ac97, reg, val);
1113 val1 = snd_ac97_read(ac97, reg);
1114 if (val != val1) {
1115 *max = 31;
1116 }
1117 /* reset volume to zero */
1118 snd_ac97_write_cache(ac97, reg, 0x8080);
1119}
1120
1121static inline int printable(unsigned int x)
1122{
1123 x &= 0xff;
1124 if (x < ' ' || x >= 0x71) {
1125 if (x <= 0x89)
1126 return x - 0x71 + 'A';
1127 return '?';
1128 }
1129 return x;
1130}
1131
ee42381e 1132struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1da177e4 1133{
ee42381e 1134 struct snd_kcontrol_new template;
1da177e4 1135 memcpy(&template, _template, sizeof(template));
1da177e4
LT		 1136 template.index = ac97->num;
1137 return snd_ctl_new1(&template, ac97);
1138}
1139
1140/*
1141 * create mute switch(es) for normal stereo controls
1142 */
6dbe6628
TI		 1143static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1144 int check_stereo, int check_amix,
1145 struct snd_ac97 *ac97)
1da177e4 1146{
ee42381e 1147 struct snd_kcontrol *kctl;
1da177e4
LT		 1148 int err;
1149 unsigned short val, val1, mute_mask;
1150
1151 if (! snd_ac97_valid_reg(ac97, reg))
1152 return 0;
1153
1154 mute_mask = 0x8000;
1155 val = snd_ac97_read(ac97, reg);
1156 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1157 /* check whether both mute bits work */
1158 val1 = val | 0x8080;
1159 snd_ac97_write(ac97, reg, val1);
1160 if (val1 == snd_ac97_read(ac97, reg))
1161 mute_mask = 0x8080;
1162 }
1163 if (mute_mask == 0x8080) {
ee42381e 1164 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
6dbe6628
TI		 1165 if (check_amix)
1166 tmp.private_value |= (1 << 30);
1da177e4
LT		 1167 tmp.index = ac97->num;
1168 kctl = snd_ctl_new1(&tmp, ac97);
1169 } else {
ee42381e 1170 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
6dbe6628
TI		 1171 if (check_amix)
1172 tmp.private_value |= (1 << 30);
1da177e4
LT		 1173 tmp.index = ac97->num;
1174 kctl = snd_ctl_new1(&tmp, ac97);
1175 }
1176 err = snd_ctl_add(card, kctl);
1177 if (err < 0)
1178 return err;
1179 /* mute as default */
1180 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1181 return 0;
1182}
1183
2f3482fb
TI		 1184/*
1185 * set dB information
1186 */
1187static DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1188static DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1189static DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1190static DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1191static DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1192
1193static unsigned int *find_db_scale(unsigned int maxval)
1194{
1195 switch (maxval) {
1196 case 0x0f: return db_scale_4bit;
1197 case 0x1f: return db_scale_5bit;
1198 case 0x3f: return db_scale_6bit;
1199 }
1200 return NULL;
1201}
1202
1203static void set_tlv_db_scale(struct snd_kcontrol *kctl, unsigned int *tlv)
1204{
1205 kctl->tlv.p = tlv;
1206 if (tlv)
1207 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1208}
1209
1da177e4
LT		 1210/*
1211 * create a volume for normal stereo/mono controls
1212 */
ee42381e
TI		 1213static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1214 unsigned int hi_max, struct snd_ac97 *ac97)
1da177e4
LT		 1215{
1216 int err;
ee42381e 1217 struct snd_kcontrol *kctl;
1da177e4
LT		 1218
1219 if (! snd_ac97_valid_reg(ac97, reg))
1220 return 0;
1221 if (hi_max) {
1222 /* invert */
ee42381e 1223 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1da177e4
LT		 1224 tmp.index = ac97->num;
1225 kctl = snd_ctl_new1(&tmp, ac97);
1226 } else {
1227 /* invert */
ee42381e 1228 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1da177e4
LT		 1229 tmp.index = ac97->num;
1230 kctl = snd_ctl_new1(&tmp, ac97);
1231 }
2f3482fb
TI		 1232 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1233 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1234 else
1235 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1da177e4
LT		 1236 err = snd_ctl_add(card, kctl);
1237 if (err < 0)
1238 return err;
1239 snd_ac97_write_cache(ac97, reg,
1240 (snd_ac97_read(ac97, reg) & 0x8080) |
1241 lo_max | (hi_max << 8));
1242 return 0;
1243}
1244
1245/*
1246 * create a mute-switch and a volume for normal stereo/mono controls
1247 */
6dbe6628
TI		 1248static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1249 int reg, int check_stereo, int check_amix,
1250 struct snd_ac97 *ac97)
1da177e4
LT		 1251{
1252 int err;
1253 char name[44];
1254 unsigned char lo_max, hi_max;
1255
1256 if (! snd_ac97_valid_reg(ac97, reg))
1257 return 0;
1258
1259 if (snd_ac97_try_bit(ac97, reg, 15)) {
1260 sprintf(name, "%s Switch", pfx);
6dbe6628
TI		 1261 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1262 check_stereo, check_amix,
1263 ac97)) < 0)
1da177e4
LT		 1264 return err;
1265 }
1266 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1267 if (lo_max) {
1268 sprintf(name, "%s Volume", pfx);
1269 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1270 return err;
1271 }
1272 return 0;
1273}
1274
6dbe6628
TI		 1275#define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1276 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1277#define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1278 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1da177e4 1279
ee42381e 1280static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1da177e4 1281
ee42381e 1282static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1da177e4 1283{
ee42381e
TI		 1284 struct snd_card *card = ac97->bus->card;
1285 struct snd_kcontrol *kctl;
1da177e4
LT		 1286 int err;
1287 unsigned int idx;
1288 unsigned char max;
1289
1290 /* build master controls */
1291 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1292 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1293 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
6dbe6628
TI		 1294 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1295 AC97_MASTER, 0, ac97);
1da177e4 1296 else
6dbe6628
TI		 1297 err = snd_ac97_cmix_new(card, "Master Playback",
1298 AC97_MASTER, 0, ac97);
1da177e4
LT		 1299 if (err < 0)
1300 return err;
1301 }
1302
1303 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1304
1305 /* build center controls */
70c5acbd
JK		 1306 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1307 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4
LT		 1308 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1309 return err;
1310 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1311 return err;
1312 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1313 kctl->private_value &= ~(0xff << 16);
1314 kctl->private_value |= (int)max << 16;
2f3482fb 1315 set_tlv_db_scale(kctl, find_db_scale(max));
1da177e4
LT		 1316 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1317 }
1318
1319 /* build LFE controls */
70c5acbd
JK		 1320 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1321 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4
LT		 1322 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1323 return err;
1324 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1325 return err;
1326 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1327 kctl->private_value &= ~(0xff << 16);
1328 kctl->private_value |= (int)max << 16;
2f3482fb 1329 set_tlv_db_scale(kctl, find_db_scale(max));
1da177e4
LT		 1330 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1331 }
1332
1333 /* build surround controls */
70c5acbd
JK		 1334 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1335 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4 1336 /* Surround Master (0x38) is with stereo mutes */
6dbe6628
TI		 1337 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1338 AC97_SURROUND_MASTER, 1, 0,
1339 ac97)) < 0)
1da177e4
LT		 1340 return err;
1341 }
1342
1343 /* build headphone controls */
1344 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
6dbe6628
TI		 1345 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1346 AC97_HEADPHONE, 0, ac97)) < 0)
1da177e4
LT		 1347 return err;
1348 }
1349
1350 /* build master mono controls */
1351 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
6dbe6628
TI		 1352 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1353 AC97_MASTER_MONO, 0, ac97)) < 0)
1da177e4
LT		 1354 return err;
1355 }
1356
1357 /* build master tone controls */
3998b70f
LG		 1358 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1359 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1360 for (idx = 0; idx < 2; idx++) {
1361 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1362 return err;
1363 if (ac97->id == AC97_ID_YMF753) {
1364 kctl->private_value &= ~(0xff << 16);
1365 kctl->private_value |= 7 << 16;
1366 }
1da177e4 1367 }
3998b70f 1368 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1da177e4 1369 }
1da177e4
LT		 1370 }
1371
1372 /* build PC Speaker controls */
1373 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1374 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1375 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1376 for (idx = 0; idx < 2; idx++)
2f3482fb 1377 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1da177e4 1378 return err;
2f3482fb 1379 set_tlv_db_scale(kctl, db_scale_4bit);
1da177e4
LT		 1380 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1381 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1382 }
1383
1384 /* build Phone controls */
1385 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1386 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
6dbe6628
TI		 1387 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1388 AC97_PHONE, 1, ac97)) < 0)
1da177e4
LT		 1389 return err;
1390 }
1391 }
1392
1393 /* build MIC controls */
3998b70f
LG		 1394 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1395 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
6dbe6628
TI		 1396 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1397 AC97_MIC, 1, ac97)) < 0)
3998b70f
LG		 1398 return err;
1399 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1400 return err;
1401 }
1da177e4
LT		 1402 }
1403
1404 /* build Line controls */
1405 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
6dbe6628
TI		 1406 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1407 AC97_LINE, 1, ac97)) < 0)
1da177e4
LT		 1408 return err;
1409 }
1410
1411 /* build CD controls */
1412 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1413 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
6dbe6628
TI		 1414 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1415 AC97_CD, 1, ac97)) < 0)
1da177e4
LT		 1416 return err;
1417 }
1418 }
1419
1420 /* build Video controls */
1421 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1422 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
6dbe6628
TI		 1423 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1424 AC97_VIDEO, 1, ac97)) < 0)
1da177e4
LT		 1425 return err;
1426 }
1427 }
1428
1429 /* build Aux controls */
1459c784
RG		 1430 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1431 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
6dbe6628
TI		 1432 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1433 AC97_AUX, 1, ac97)) < 0)
1459c784
RG		 1434 return err;
1435 }
1da177e4
LT		 1436 }
1437
1438 /* build PCM controls */
1439 if (ac97->flags & AC97_AD_MULTI) {
1440 unsigned short init_val;
1441 if (ac97->flags & AC97_STEREO_MUTES)
1442 init_val = 0x9f9f;
1443 else
1444 init_val = 0x9f1f;
1445 for (idx = 0; idx < 2; idx++)
2f3482fb 1446 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1da177e4 1447 return err;
2f3482fb 1448 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1449 ac97->spec.ad18xx.pcmreg[0] = init_val;
1450 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1451 for (idx = 0; idx < 2; idx++)
2f3482fb 1452 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1da177e4 1453 return err;
2f3482fb 1454 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1455 ac97->spec.ad18xx.pcmreg[1] = init_val;
1456 }
1457 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1458 for (idx = 0; idx < 2; idx++)
2f3482fb 1459 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1da177e4 1460 return err;
2f3482fb 1461 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4 1462 for (idx = 0; idx < 2; idx++)
2f3482fb 1463 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1da177e4 1464 return err;
2f3482fb 1465 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1466 ac97->spec.ad18xx.pcmreg[2] = init_val;
1467 }
1468 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1469 } else {
3998b70f
LG		 1470 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1471 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
6dbe6628
TI		 1472 err = snd_ac97_cmute_new(card,
1473 "PCM Playback Switch",
1474 AC97_PCM, 0, ac97);
3998b70f 1475 else
6dbe6628
TI		 1476 err = snd_ac97_cmix_new(card, "PCM Playback",
1477 AC97_PCM, 0, ac97);
3998b70f
LG		 1478 if (err < 0)
1479 return err;
1480 }
1da177e4
LT		 1481 }
1482
1483 /* build Capture controls */
1484 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1485 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1486 return err;
1487 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
6dbe6628
TI		 1488 err = snd_ac97_cmute_new(card, "Capture Switch",
1489 AC97_REC_GAIN, 0, ac97);
1490 if (err < 0)
1da177e4
LT		 1491 return err;
1492 }
2f3482fb 1493 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1da177e4 1494 return err;
2f3482fb 1495 set_tlv_db_scale(kctl, db_scale_rec_gain);
1da177e4
LT		 1496 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1497 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1498 }
1499 /* build MIC Capture controls */
1500 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1501 for (idx = 0; idx < 2; idx++)
2f3482fb 1502 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1da177e4 1503 return err;
2f3482fb 1504 set_tlv_db_scale(kctl, db_scale_rec_gain);
1da177e4
LT		 1505 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1506 }
1507
1508 /* build PCM out path & mute control */
1509 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1510 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1511 return err;
1512 }
1513
1514 /* build Simulated Stereo Enhancement control */
1515 if (ac97->caps & 0x0008) {
1516 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1517 return err;
1518 }
1519
1520 /* build 3D Stereo Enhancement control */
1521 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1522 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1523 return err;
1524 }
1525
1526 /* build Loudness control */
1527 if (ac97->caps & 0x0020) {
1528 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1529 return err;
1530 }
1531
1532 /* build Mono output select control */
1533 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1534 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1535 return err;
1536 }
1537
1538 /* build Mic select control */
1539 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1540 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1541 return err;
1542 }
1543
1544 /* build ADC/DAC loopback control */
1545 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1546 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1547 return err;
1548 }
1549
1550 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1551
1552 /* build 3D controls */
1553 if (ac97->build_ops->build_3d) {
1554 ac97->build_ops->build_3d(ac97);
1555 } else {
1556 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1557 unsigned short val;
1558 val = 0x0707;
1559 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1560 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1561 val = val == 0x0606;
1562 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1563 return err;
1564 if (val)
1565 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1566 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1567 return err;
1568 if (val)
1569 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1570 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1571 }
1572 }
1573
1574 /* build S/PDIF controls */
7b89190c
MS		 1575
1576 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1577 if (ac97->subsystem_vendor == 0x1043 &&
1578 ac97->subsystem_device == 0x810f)
1579 ac97->ext_id |= AC97_EI_SPDIF;
1580
1da177e4
LT		 1581 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1582 if (ac97->build_ops->build_spdif) {
1583 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1584 return err;
1585 } else {
1586 for (idx = 0; idx < 5; idx++)
1587 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1588 return err;
1589 if (ac97->build_ops->build_post_spdif) {
1590 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1591 return err;
1592 }
1593 /* set default PCM S/PDIF params */
1594 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1595 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1596 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1597 }
1598 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1599 }
1600
1601 /* build chip specific controls */
1602 if (ac97->build_ops->build_specific)
1603 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1604 return err;
1605
1606 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1607 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1608 if (! kctl)
1609 return -ENOMEM;
1610 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1611 set_inv_eapd(ac97, kctl);
1612 if ((err = snd_ctl_add(card, kctl)) < 0)
1613 return err;
1614 }
1615
1616 return 0;
1617}
1618
ee42381e 1619static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1da177e4 1620{
87d61c29
SK		 1621 int err, idx;
1622
1da177e4
LT		 1623 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1624 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1625 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1626 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1627 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1628 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1629
1630 /* build modem switches */
1631 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
0444e2ac 1632 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
87d61c29
SK		 1633 return err;
1634
1635 /* build chip specific controls */
1636 if (ac97->build_ops->build_specific)
1637 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1638 return err;
1639
1da177e4
LT		 1640 return 0;
1641}
1642
ee42381e 1643static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1da177e4
LT		 1644{
1645 unsigned short val;
1646 unsigned int tmp;
1647
1648 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1649 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1650 if (shadow_reg)
1651 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1652 val = snd_ac97_read(ac97, reg);
1653 return val == (tmp & 0xffff);
1654}
1655
ee42381e 1656static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1da177e4
LT		 1657{
1658 unsigned int result = 0;
1659 unsigned short saved;
1660
1661 if (ac97->bus->no_vra) {
1662 *r_result = SNDRV_PCM_RATE_48000;
1663 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1664 reg == AC97_PCM_FRONT_DAC_RATE)
1665 *r_result |= SNDRV_PCM_RATE_96000;
1666 return;
1667 }
1668
1669 saved = snd_ac97_read(ac97, reg);
1670 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1671 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1672 AC97_EA_DRA, 0);
1673 /* test a non-standard rate */
1674 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1675 result |= SNDRV_PCM_RATE_CONTINUOUS;
1676 /* let's try to obtain standard rates */
1677 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1678 result |= SNDRV_PCM_RATE_8000;
1679 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1680 result |= SNDRV_PCM_RATE_11025;
1681 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1682 result |= SNDRV_PCM_RATE_16000;
1683 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1684 result |= SNDRV_PCM_RATE_22050;
1685 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1686 result |= SNDRV_PCM_RATE_32000;
1687 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1688 result |= SNDRV_PCM_RATE_44100;
1689 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1690 result |= SNDRV_PCM_RATE_48000;
1691 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1692 reg == AC97_PCM_FRONT_DAC_RATE) {
1693 /* test standard double rates */
1694 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1695 AC97_EA_DRA, AC97_EA_DRA);
1696 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1697 result |= SNDRV_PCM_RATE_64000;
1698 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1699 result |= SNDRV_PCM_RATE_88200;
1700 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1701 result |= SNDRV_PCM_RATE_96000;
1702 /* some codecs don't support variable double rates */
1703 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1704 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1705 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1706 AC97_EA_DRA, 0);
1707 }
1708 /* restore the default value */
1709 snd_ac97_write_cache(ac97, reg, saved);
1710 if (shadow_reg)
1711 snd_ac97_write_cache(ac97, shadow_reg, saved);
1712 *r_result = result;
1713}
1714
1715/* check AC97_SPDIF register to accept which sample rates */
ee42381e 1716static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1da177e4
LT		 1717{
1718 unsigned int result = 0;
1719 int i;
1720 static unsigned short ctl_bits[] = {
1721 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1722 };
1723 static unsigned int rate_bits[] = {
1724 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1725 };
1726
1727 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1728 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1729 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1730 result |= rate_bits[i];
1731 }
1732 return result;
1733}
1734
1735/* look for the codec id table matching with the given id */
ee42381e
TI		 1736static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1737 unsigned int id)
1da177e4 1738{
ee42381e 1739 const struct ac97_codec_id *pid;
1da177e4
LT		 1740
1741 for (pid = table; pid->id; pid++)
1742 if (pid->id == (id & pid->mask))
1743 return pid;
1744 return NULL;
1745}
1746
ee42381e 1747void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1da177e4 1748{
ee42381e 1749 const struct ac97_codec_id *pid;
1da177e4
LT		 1750
1751 sprintf(name, "0x%x %c%c%c", id,
1752 printable(id >> 24),
1753 printable(id >> 16),
1754 printable(id >> 8));
1755 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1756 if (! pid)
1757 return;
1758
1759 strcpy(name, pid->name);
1760 if (ac97 && pid->patch) {
1761 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1762 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1763 pid->patch(ac97);
1764 }
1765
1766 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1767 if (pid) {
1768 strcat(name, " ");
1769 strcat(name, pid->name);
1770 if (pid->mask != 0xffffffff)
1771 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1772 if (ac97 && pid->patch) {
1773 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1774 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1775 pid->patch(ac97);
1776 }
1777 } else
1778 sprintf(name + strlen(name), " id %x", id & 0xff);
1779}
1780
1781/**
1782 * snd_ac97_get_short_name - retrieve codec name
1783 * @ac97: the codec instance
1784 *
1785 * Returns the short identifying name of the codec.
1786 */
ee42381e 1787const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1da177e4 1788{
ee42381e 1789 const struct ac97_codec_id *pid;
1da177e4
LT		 1790
1791 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1792 if (pid->id == (ac97->id & pid->mask))
1793 return pid->name;
1794 return "unknown codec";
1795}
1796
7b09679c 1797EXPORT_SYMBOL(snd_ac97_get_short_name);
1da177e4
LT		 1798
1799/* wait for a while until registers are accessible after RESET
1800 * return 0 if ok, negative not ready
1801 */
ee42381e 1802static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1da177e4
LT		 1803{
1804 unsigned long end_time;
1805 unsigned short val;
1806
1807 end_time = jiffies + timeout;
1808 do {
1809
1810 /* use preliminary reads to settle the communication */
1811 snd_ac97_read(ac97, AC97_RESET);
1812 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1813 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1814 /* modem? */
1815 if (with_modem) {
1816 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1817 if (val != 0xffff && (val & 1) != 0)
1818 return 0;
1819 }
1820 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1821 /* probably only Xbox issue - all registers are read as zero */
1822 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1823 if (val != 0 && val != 0xffff)
1824 return 0;
1825 } else {
1826 /* because the PCM or MASTER volume registers can be modified,
1827 * the REC_GAIN register is used for tests
1828 */
1829 /* test if we can write to the record gain volume register */
1830 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1831 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1832 return 0;
1833 }
8433a509 1834 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1835 } while (time_after_eq(end_time, jiffies));
1836 return -ENODEV;
1837}
1838
1839/**
1840 * snd_ac97_bus - create an AC97 bus component
1841 * @card: the card instance
1842 * @num: the bus number
1843 * @ops: the bus callbacks table
1844 * @private_data: private data pointer for the new instance
1845 * @rbus: the pointer to store the new AC97 bus instance.
1846 *
ee42381e 1847 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1da177e4
LT		 1848 * allocated and initialized.
1849 *
1850 * The ops table must include valid callbacks (at least read and
1851 * write). The other callbacks, wait and reset, are not mandatory.
1852 *
1853 * The clock is set to 48000. If another clock is needed, set
1854 * (*rbus)->clock manually.
1855 *
1856 * The AC97 bus instance is registered as a low-level device, so you don't
1857 * have to release it manually.
1858 *
1859 * Returns zero if successful, or a negative error code on failure.
1860 */
ee42381e
TI		 1861int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1862 void *private_data, struct snd_ac97_bus **rbus)
1da177e4
LT		 1863{
1864 int err;
ee42381e
TI		 1865 struct snd_ac97_bus *bus;
1866 static struct snd_device_ops dev_ops = {
1da177e4
LT		 1867 .dev_free = snd_ac97_bus_dev_free,
1868 };
1869
1870 snd_assert(card != NULL, return -EINVAL);
1871 snd_assert(rbus != NULL, return -EINVAL);
e560d8d8 1872 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 1873 if (bus == NULL)
1874 return -ENOMEM;
1875 bus->card = card;
1876 bus->num = num;
1877 bus->ops = ops;
1878 bus->private_data = private_data;
1879 bus->clock = 48000;
1880 spin_lock_init(&bus->bus_lock);
1881 snd_ac97_bus_proc_init(bus);
1882 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1883 snd_ac97_bus_free(bus);
1884 return err;
1885 }
1886 *rbus = bus;
1887 return 0;
1888}
1889
7b09679c
TI		 1890EXPORT_SYMBOL(snd_ac97_bus);
1891
0ca06a00
LG		 1892/* stop no dev release warning */
1893static void ac97_device_release(struct device * dev)
1894{
1895}
1896
1897/* register ac97 codec to bus */
ee42381e 1898static int snd_ac97_dev_register(struct snd_device *device)
0ca06a00 1899{
ee42381e 1900 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1901 int err;
1902
1903 ac97->dev.bus = &ac97_bus_type;
1904 ac97->dev.parent = ac97->bus->card->dev;
0ca06a00 1905 ac97->dev.release = ac97_device_release;
9398441e
TI		 1906 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1907 ac97->bus->card->number, ac97->num,
1908 snd_ac97_get_short_name(ac97));
0ca06a00
LG		 1909 if ((err = device_register(&ac97->dev)) < 0) {
1910 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1911 ac97->dev.bus = NULL;
1912 return err;
1913 }
1914 return 0;
1915}
1916
c461482c
TI		 1917/* disconnect ac97 codec */
1918static int snd_ac97_dev_disconnect(struct snd_device *device)
0ca06a00 1919{
ee42381e 1920 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1921 if (ac97->dev.bus)
1922 device_unregister(&ac97->dev);
c461482c 1923 return 0;
0ca06a00
LG		 1924}
1925
1da177e4
LT		 1926/* build_ops to do nothing */
1927static struct snd_ac97_build_ops null_build_ops;
1928
6dbe6628 1929#ifdef CONFIG_SND_AC97_POWER_SAVE
c4028958 1930static void do_update_power(struct work_struct *work)
6dbe6628 1931{
c4028958
DH		 1932 update_power_regs(
1933 container_of(work, struct snd_ac97, power_work.work));
6dbe6628
TI		 1934}
1935#endif
1936
1da177e4
LT		 1937/**
1938 * snd_ac97_mixer - create an Codec97 component
1939 * @bus: the AC97 bus which codec is attached to
1940 * @template: the template of ac97, including index, callbacks and
1941 * the private data.
1942 * @rac97: the pointer to store the new ac97 instance.
1943 *
ee42381e 1944 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1da177e4
LT		 1945 * allocated and initialized from the template. The codec
1946 * is then initialized by the standard procedure.
1947 *
1948 * The template must include the codec number (num) and address (addr),
1949 * and the private data (private_data).
1950 *
1951 * The ac97 instance is registered as a low-level device, so you don't
1952 * have to release it manually.
1953 *
1954 * Returns zero if successful, or a negative error code on failure.
1955 */
ee42381e 1956int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1da177e4
LT		 1957{
1958 int err;
ee42381e
TI		 1959 struct snd_ac97 *ac97;
1960 struct snd_card *card;
1da177e4
LT		 1961 char name[64];
1962 unsigned long end_time;
1963 unsigned int reg;
ee42381e
TI		 1964 const struct ac97_codec_id *pid;
1965 static struct snd_device_ops ops = {
1da177e4 1966 .dev_free = snd_ac97_dev_free,
0ca06a00 1967 .dev_register = snd_ac97_dev_register,
c461482c 1968 .dev_disconnect = snd_ac97_dev_disconnect,
1da177e4
LT		 1969 };
1970
1971 snd_assert(rac97 != NULL, return -EINVAL);
1972 *rac97 = NULL;
1973 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1974 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1975
1da177e4 1976 card = bus->card;
e560d8d8 1977 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1da177e4
LT		 1978 if (ac97 == NULL)
1979 return -ENOMEM;
1980 ac97->private_data = template->private_data;
1981 ac97->private_free = template->private_free;
1982 ac97->bus = bus;
1983 ac97->pci = template->pci;
1984 ac97->num = template->num;
1985 ac97->addr = template->addr;
1986 ac97->scaps = template->scaps;
7c5706bb 1987 ac97->res_table = template->res_table;
1da177e4 1988 bus->codec[ac97->num] = ac97;
62932df8
IM		 1989 mutex_init(&ac97->reg_mutex);
1990 mutex_init(&ac97->page_mutex);
6dbe6628
TI		 1991#ifdef CONFIG_SND_AC97_POWER_SAVE
1992 ac97->power_workq = create_workqueue("ac97");
c4028958 1993 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
6dbe6628 1994#endif
1da177e4 1995
adf1b3d2 1996#ifdef CONFIG_PCI
1da177e4
LT		 1997 if (ac97->pci) {
1998 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1999 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2000 }
adf1b3d2 2001#endif
1da177e4
LT		 2002 if (bus->ops->reset) {
2003 bus->ops->reset(ac97);
2004 goto __access_ok;
2005 }
2006
2007 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2008 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2009 if (ac97->id && ac97->id != (unsigned int)-1) {
2010 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2011 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2012 goto __access_ok;
2013 }
2014
23fea4da
SK		 2015 /* reset to defaults */
2016 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2017 snd_ac97_write(ac97, AC97_RESET, 0);
2018 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2019 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 2020 if (bus->ops->wait)
2021 bus->ops->wait(ac97);
2022 else {
2023 udelay(50);
2024 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2025 err = ac97_reset_wait(ac97, HZ/2, 1);
2026 else {
2027 err = ac97_reset_wait(ac97, HZ/2, 0);
2028 if (err < 0)
2029 err = ac97_reset_wait(ac97, HZ/2, 1);
2030 }
2031 if (err < 0) {
2032 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
2033 /* proceed anyway - it's often non-critical */
2034 }
2035 }
2036 __access_ok:
2037 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2038 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2039 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2040 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2041 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
2042 snd_ac97_free(ac97);
2043 return -EIO;
2044 }
2045 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2046 if (pid)
2047 ac97->flags |= pid->flags;
2048
2049 /* test for AC'97 */
2050 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2051 /* test if we can write to the record gain volume register */
2052 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2053 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2054 ac97->scaps |= AC97_SCAP_AUDIO;
2055 }
2056 if (ac97->scaps & AC97_SCAP_AUDIO) {
2057 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2058 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2059 if (ac97->ext_id == 0xffff) /* invalid combination */
2060 ac97->ext_id = 0;
2061 }
2062
2063 /* test for MC'97 */
2064 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2065 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2066 if (ac97->ext_mid == 0xffff) /* invalid combination */
2067 ac97->ext_mid = 0;
2068 if (ac97->ext_mid & 1)
2069 ac97->scaps |= AC97_SCAP_MODEM;
2070 }
2071
2072 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2073 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2074 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2075 snd_ac97_free(ac97);
2076 return -EACCES;
2077 }
2078
2079 if (bus->ops->reset) // FIXME: always skipping?
2080 goto __ready_ok;
2081
2082 /* FIXME: add powerdown control */
2083 if (ac97_is_audio(ac97)) {
2084 /* nothing should be in powerdown mode */
2085 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2086 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2087 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2088 udelay(100);
2089 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2090 }
2091 /* nothing should be in powerdown mode */
2092 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2093 end_time = jiffies + (HZ / 10);
2094 do {
2095 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2096 goto __ready_ok;
8433a509 2097 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2098 } while (time_after_eq(end_time, jiffies));
2099 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2100 }
2101
2102 /* FIXME: add powerdown control */
2103 if (ac97_is_modem(ac97)) {
2104 unsigned char tmp;
2105
2106 /* nothing should be in powerdown mode */
2107 /* note: it's important to set the rate at first */
2108 tmp = AC97_MEA_GPIO;
2109 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 2110 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 2111 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2112 }
2113 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 2114 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 2115 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2116 }
2117 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 2118 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 2119 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2120 }
8e8311b0 2121 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2122 udelay(100);
2123 /* nothing should be in powerdown mode */
8e8311b0 2124 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2125 end_time = jiffies + (HZ / 10);
2126 do {
2127 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2128 goto __ready_ok;
8433a509 2129 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2130 } while (time_after_eq(end_time, jiffies));
2131 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2132 }
2133
2134 __ready_ok:
2135 if (ac97_is_audio(ac97))
2136 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2137 else
2138 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2139 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2140 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2141 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2142 if (! bus->no_vra)
2143 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2144 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2145 }
2146 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2147 /* Intel controllers require double rate data to be put in
2148 * slots 7+8, so let's hope the codec supports it. */
2149 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2150 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2151 ac97->flags |= AC97_DOUBLE_RATE;
091e95ee
TI		 2152 /* restore to slots 10/11 to avoid the confliction with surrounds */
2153 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
1da177e4
LT		 2154 }
2155 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2156 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2157 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2158 } else {
2159 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2160 if (ac97->flags & AC97_DOUBLE_RATE)
2161 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2162 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2163 }
2164 if (ac97->ext_id & AC97_EI_SPDIF) {
2165 /* codec specific code (patch) should override these values */
2166 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2167 }
2168 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2169 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2170 } else {
2171 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2172 }
2173 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2174 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2175 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2176 }
2177 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2178 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2179 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2180 }
2181 /* additional initializations */
2182 if (bus->ops->init)
2183 bus->ops->init(ac97);
2184 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2185 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2186 if (! ac97->build_ops)
2187 ac97->build_ops = &null_build_ops;
2188
2189 if (ac97_is_audio(ac97)) {
2190 char comp[16];
2191 if (card->mixername[0] == '\0') {
2192 strcpy(card->mixername, name);
2193 } else {
2194 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2195 strcat(card->mixername, ",");
2196 strcat(card->mixername, name);
2197 }
2198 }
2199 sprintf(comp, "AC97a:%08x", ac97->id);
2200 if ((err = snd_component_add(card, comp)) < 0) {
2201 snd_ac97_free(ac97);
2202 return err;
2203 }
2204 if (snd_ac97_mixer_build(ac97) < 0) {
2205 snd_ac97_free(ac97);
2206 return -ENOMEM;
2207 }
2208 }
2209 if (ac97_is_modem(ac97)) {
2210 char comp[16];
2211 if (card->mixername[0] == '\0') {
2212 strcpy(card->mixername, name);
2213 } else {
2214 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2215 strcat(card->mixername, ",");
2216 strcat(card->mixername, name);
2217 }
2218 }
2219 sprintf(comp, "AC97m:%08x", ac97->id);
2220 if ((err = snd_component_add(card, comp)) < 0) {
2221 snd_ac97_free(ac97);
2222 return err;
2223 }
2224 if (snd_ac97_modem_build(card, ac97) < 0) {
2225 snd_ac97_free(ac97);
2226 return -ENOMEM;
2227 }
2228 }
6dbe6628
TI		 2229 if (ac97_is_audio(ac97))
2230 update_power_regs(ac97);
1da177e4
LT		 2231 snd_ac97_proc_init(ac97);
2232 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2233 snd_ac97_free(ac97);
2234 return err;
2235 }
2236 *rac97 = ac97;
1da177e4
LT		 2237 return 0;
2238}
2239
7b09679c 2240EXPORT_SYMBOL(snd_ac97_mixer);
1da177e4
LT		 2241
2242/*
2243 * Power down the chip.
2244 *
2245 * MASTER and HEADPHONE registers are muted but the register cache values
2246 * are not changed, so that the values can be restored in snd_ac97_resume().
2247 */
ee42381e 2248static void snd_ac97_powerdown(struct snd_ac97 *ac97)
1da177e4
LT		 2249{
2250 unsigned short power;
2251
2252 if (ac97_is_audio(ac97)) {
2253 /* some codecs have stereo mute bits */
2254 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2255 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2256 }
2257
6dbe6628
TI		 2258 /* surround, CLFE, mic powerdown */
2259 power = ac97->regs[AC97_EXTENDED_STATUS];
2260 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2261 power |= AC97_EA_PRJ;
2262 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2263 power |= AC97_EA_PRI | AC97_EA_PRK;
2264 power |= AC97_EA_PRL;
2265 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2266
2267 /* powerdown external amplifier */
2268 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2269 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2270 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2271 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2272 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2273 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
1da177e4
LT		 2274 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2275 udelay(100);
6dbe6628 2276 power |= AC97_PD_PR2 | AC97_PD_PR3; /* Analog Mixer powerdown */
1da177e4 2277 snd_ac97_write(ac97, AC97_POWERDOWN, power);
6dbe6628
TI		 2278#ifdef CONFIG_SND_AC97_POWER_SAVE
2279 if (power_save) {
2280 udelay(100);
2281 /* AC-link powerdown, internal Clk disable */
2282 /* FIXME: this may cause click noises on some boards */
2283 power |= AC97_PD_PR4 | AC97_PD_PR5;
2284 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2285 }
1da177e4
LT		 2286#endif
2287}
2288
2289
6dbe6628
TI		 2290struct ac97_power_reg {
2291 unsigned short reg;
2292 unsigned short power_reg;
2293 unsigned short mask;
2294};
2295
2296enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2297
2298static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2299 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2300 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2301 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2302 AC97_EA_PRI | AC97_EA_PRK},
2303 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2304 AC97_EA_PRJ},
2305 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2306 AC97_EA_PRL},
2307};
2308
2309#ifdef CONFIG_SND_AC97_POWER_SAVE
2310/**
2311 * snd_ac97_update_power - update the powerdown register
2312 * @ac97: the codec instance
2313 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2314 * @powerup: non-zero when power up the part
2315 *
2316 * Update the AC97 powerdown register bits of the given part.
2317 */
2318int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2319{
2320 int i;
2321
2322 if (! ac97)
2323 return 0;
2324
2325 if (reg) {
2326 /* SPDIF requires DAC power, too */
2327 if (reg == AC97_SPDIF)
2328 reg = AC97_PCM_FRONT_DAC_RATE;
2329 for (i = 0; i < PWIDX_SIZE; i++) {
2330 if (power_regs[i].reg == reg) {
2331 if (powerup)
2332 ac97->power_up |= (1 << i);
2333 else
2334 ac97->power_up &= ~(1 << i);
2335 break;
2336 }
2337 }
2338 }
2339
da43deb1 2340 if (power_save && !powerup && ac97->power_workq)
6dbe6628
TI		 2341 /* adjust power-down bits after two seconds delay
2342 * (for avoiding loud click noises for many (OSS) apps
2343 * that open/close frequently)
2344 */
2345 queue_delayed_work(ac97->power_workq, &ac97->power_work, HZ*2);
2346 else
2347 update_power_regs(ac97);
2348
2349 return 0;
2350}
2351
2352EXPORT_SYMBOL(snd_ac97_update_power);
2353#endif /* CONFIG_SND_AC97_POWER_SAVE */
2354
2355static void update_power_regs(struct snd_ac97 *ac97)
2356{
2357 unsigned int power_up, bits;
2358 int i;
2359
2360#ifdef CONFIG_SND_AC97_POWER_SAVE
2361 if (power_save)
2362 power_up = ac97->power_up;
2363 else {
2364#endif
2365 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2366 power_up |= (1 << PWIDX_MIC);
2367 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2368 power_up |= (1 << PWIDX_SURR);
2369 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2370 power_up |= (1 << PWIDX_CLFE);
2371#ifdef CONFIG_SND_AC97_POWER_SAVE
2372 }
2373#endif
2374 if (power_up) {
2375 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2376 /* needs power-up analog mix and vref */
2377 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2378 AC97_PD_PR3, 0);
2379 msleep(1);
2380 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2381 AC97_PD_PR2, 0);
2382 }
2383 }
2384 for (i = 0; i < PWIDX_SIZE; i++) {
2385 if (power_up & (1 << i))
2386 bits = 0;
2387 else
2388 bits = power_regs[i].mask;
2389 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2390 power_regs[i].mask, bits);
2391 }
2392 if (! power_up) {
2393 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2394 /* power down analog mix and vref */
2395 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2396 AC97_PD_PR2, AC97_PD_PR2);
2397 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2398 AC97_PD_PR3, AC97_PD_PR3);
2399 }
2400 }
2401}
2402
2403
1da177e4
LT		 2404#ifdef CONFIG_PM
2405/**
2406 * snd_ac97_suspend - General suspend function for AC97 codec
2407 * @ac97: the ac97 instance
2408 *
2409 * Suspends the codec, power down the chip.
2410 */
ee42381e 2411void snd_ac97_suspend(struct snd_ac97 *ac97)
1da177e4 2412{
e26e7545
TI		 2413 if (! ac97)
2414 return;
1da177e4
LT		 2415 if (ac97->build_ops->suspend)
2416 ac97->build_ops->suspend(ac97);
2417 snd_ac97_powerdown(ac97);
2418}
2419
7b09679c
TI		 2420EXPORT_SYMBOL(snd_ac97_suspend);
2421
1da177e4
LT		 2422/*
2423 * restore ac97 status
2424 */
ee42381e 2425void snd_ac97_restore_status(struct snd_ac97 *ac97)
1da177e4
LT		 2426{
2427 int i;
2428
2429 for (i = 2; i < 0x7c ; i += 2) {
2430 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2431 continue;
2432 /* restore only accessible registers
2433 * some chip (e.g. nm256) may hang up when unsupported registers
2434 * are accessed..!
2435 */
2436 if (test_bit(i, ac97->reg_accessed)) {
2437 snd_ac97_write(ac97, i, ac97->regs[i]);
2438 snd_ac97_read(ac97, i);
2439 }
2440 }
2441}
2442
2443/*
2444 * restore IEC958 status
2445 */
ee42381e 2446void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
1da177e4
LT		 2447{
2448 if (ac97->ext_id & AC97_EI_SPDIF) {
2449 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2450 /* reset spdif status */
2451 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2452 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2453 if (ac97->flags & AC97_CS_SPDIF)
2454 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2455 else
2456 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2457 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2458 }
2459 }
2460}
2461
2462/**
2463 * snd_ac97_resume - General resume function for AC97 codec
2464 * @ac97: the ac97 instance
2465 *
2466 * Do the standard resume procedure, power up and restoring the
2467 * old register values.
2468 */
ee42381e 2469void snd_ac97_resume(struct snd_ac97 *ac97)
1da177e4 2470{
ef21ca24 2471 unsigned long end_time;
1da177e4 2472
e26e7545
TI		 2473 if (! ac97)
2474 return;
2475
1da177e4
LT		 2476 if (ac97->bus->ops->reset) {
2477 ac97->bus->ops->reset(ac97);
2478 goto __reset_ready;
2479 }
2480
2481 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2482 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2483 snd_ac97_write(ac97, AC97_RESET, 0);
2484 udelay(100);
2485 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2486 }
2487 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2488
2489 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2490 if (ac97_is_audio(ac97)) {
2491 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
ef21ca24
NA		 2492 end_time = jiffies + msecs_to_jiffies(100);
2493 do {
1da177e4
LT		 2494 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2495 break;
8433a509 2496 schedule_timeout_uninterruptible(1);
ef21ca24 2497 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2498 /* FIXME: extra delay */
2499 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
ef21ca24
NA		 2500 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2501 msleep(250);
1da177e4 2502 } else {
ef21ca24
NA		 2503 end_time = jiffies + msecs_to_jiffies(100);
2504 do {
1da177e4
LT		 2505 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2506 if (val != 0xffff && (val & 1) != 0)
2507 break;
8433a509 2508 schedule_timeout_uninterruptible(1);
ef21ca24 2509 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2510 }
2511__reset_ready:
2512
2513 if (ac97->bus->ops->init)
2514 ac97->bus->ops->init(ac97);
2515
2516 if (ac97->build_ops->resume)
2517 ac97->build_ops->resume(ac97);
2518 else {
2519 snd_ac97_restore_status(ac97);
2520 snd_ac97_restore_iec958(ac97);
2521 }
2522}
7b09679c
TI		 2523
2524EXPORT_SYMBOL(snd_ac97_resume);
1da177e4
LT		 2525#endif
2526
2527
2528/*
2529 * Hardware tuning
2530 */
2531static void set_ctl_name(char *dst, const char *src, const char *suffix)
2532{
2533 if (suffix)
2534 sprintf(dst, "%s %s", src, suffix);
2535 else
2536 strcpy(dst, src);
2537}
2538
2539/* remove the control with the given name and optional suffix */
ee42381e 2540int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2541{
ee42381e 2542 struct snd_ctl_elem_id id;
1da177e4
LT		 2543 memset(&id, 0, sizeof(id));
2544 set_ctl_name(id.name, name, suffix);
2545 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2546 return snd_ctl_remove_id(ac97->bus->card, &id);
2547}
2548
ee42381e 2549static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2550{
ee42381e 2551 struct snd_ctl_elem_id sid;
1da177e4
LT		 2552 memset(&sid, 0, sizeof(sid));
2553 set_ctl_name(sid.name, name, suffix);
2554 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2555 return snd_ctl_find_id(ac97->bus->card, &sid);
2556}
2557
2558/* rename the control with the given name and optional suffix */
ee42381e 2559int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
1da177e4 2560{
ee42381e 2561 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
1da177e4
LT		 2562 if (kctl) {
2563 set_ctl_name(kctl->id.name, dst, suffix);
2564 return 0;
2565 }
2566 return -ENOENT;
2567}
2568
2569/* rename both Volume and Switch controls - don't check the return value */
ee42381e 2570void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
1da177e4
LT		 2571{
2572 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2573 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2574}
2575
2576/* swap controls */
ee42381e 2577int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
1da177e4 2578{
ee42381e 2579 struct snd_kcontrol *kctl1, *kctl2;
1da177e4
LT		 2580 kctl1 = ctl_find(ac97, s1, suffix);
2581 kctl2 = ctl_find(ac97, s2, suffix);
2582 if (kctl1 && kctl2) {
2583 set_ctl_name(kctl1->id.name, s2, suffix);
2584 set_ctl_name(kctl2->id.name, s1, suffix);
2585 return 0;
2586 }
2587 return -ENOENT;
2588}
2589
2590#if 1
2591/* bind hp and master controls instead of using only hp control */
ee42381e 2592static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2593{
2594 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2595 if (err > 0) {
2596 unsigned long priv_saved = kcontrol->private_value;
2597 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2598 snd_ac97_put_volsw(kcontrol, ucontrol);
2599 kcontrol->private_value = priv_saved;
2600 }
2601 return err;
2602}
2603
2604/* ac97 tune: bind Master and Headphone controls */
ee42381e 2605static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4 2606{
ee42381e
TI		 2607 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2608 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
1da177e4
LT		 2609 if (! msw || ! mvol)
2610 return -ENOENT;
2611 msw->put = bind_hp_volsw_put;
2612 mvol->put = bind_hp_volsw_put;
2613 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2614 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2615 return 0;
2616}
2617
2618#else
2619/* ac97 tune: use Headphone control as master */
ee42381e 2620static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4
LT		 2621{
2622 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2623 return -ENOENT;
2624 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2625 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2626 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2627 return 0;
2628}
2629#endif
2630
2631/* ac97 tune: swap Headphone and Master controls */
ee42381e 2632static int tune_swap_hp(struct snd_ac97 *ac97)
1da177e4
LT		 2633{
2634 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2635 return -ENOENT;
2636 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2637 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2638 return 0;
2639}
2640
2641/* ac97 tune: swap Surround and Master controls */
ee42381e 2642static int tune_swap_surround(struct snd_ac97 *ac97)
1da177e4
LT		 2643{
2644 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2645 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2646 return -ENOENT;
2647 return 0;
2648}
2649
2650/* ac97 tune: set up mic sharing for AD codecs */
ee42381e 2651static int tune_ad_sharing(struct snd_ac97 *ac97)
1da177e4
LT		 2652{
2653 unsigned short scfg;
2654 if ((ac97->id & 0xffffff00) != 0x41445300) {
2655 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2656 return -EINVAL;
2657 }
2658 /* Turn on OMS bit to route microphone to back panel */
2659 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2660 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2661 return 0;
2662}
2663
ee42381e 2664static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
1da177e4
LT		 2665AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2666
2667/* ac97 tune: set up ALC jack-select */
ee42381e 2668static int tune_alc_jack(struct snd_ac97 *ac97)
1da177e4
LT		 2669{
2670 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2671 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2672 return -EINVAL;
2673 }
2674 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2675 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
031c95d4
TI		 2676 if (ac97->id == AC97_ID_ALC658D)
2677 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
1da177e4
LT		 2678 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2679}
2680
2681/* ac97 tune: inversed EAPD bit */
ee42381e 2682static int tune_inv_eapd(struct snd_ac97 *ac97)
1da177e4 2683{
ee42381e 2684 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
1da177e4
LT		 2685 if (! kctl)
2686 return -ENOENT;
2687 set_inv_eapd(ac97, kctl);
2688 return 0;
2689}
2690
ee42381e 2691static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2692{
2693 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2694 if (err > 0) {
ee42381e 2695 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 2696 int shift = (kcontrol->private_value >> 8) & 0x0f;
2697 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2698 unsigned short mask;
2699 if (shift != rshift)
2700 mask = 0x8080;
2701 else
2702 mask = 0x8000;
2703 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2704 (ac97->regs[AC97_MASTER] & mask) == mask ?
2705 0x8000 : 0);
2706 }
2707 return err;
2708}
2709
2710/* ac97 tune: EAPD controls mute LED bound with the master mute */
ee42381e 2711static int tune_mute_led(struct snd_ac97 *ac97)
1da177e4 2712{
ee42381e 2713 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
1da177e4
LT		 2714 if (! msw)
2715 return -ENOENT;
2716 msw->put = master_mute_sw_put;
2717 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2718 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
6dbe6628 2719 ac97->scaps |= AC97_SCAP_EAPD_LED;
1da177e4
LT		 2720 return 0;
2721}
2722
a0faefed
MG		 2723static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2724 struct snd_ctl_elem_value *ucontrol)
2725{
2726 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2727 if (err > 0) {
2728 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2729 int shift = (kcontrol->private_value >> 8) & 0x0f;
2730 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2731 unsigned short mask;
2732 if (shift != rshift)
2733 mask = 0x8080;
2734 else
2735 mask = 0x8000;
2736 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2737 (ac97->regs[AC97_MASTER] & mask) == mask ?
2738 0x8000 : 0);
2739 }
2740 return err;
2741}
2742
2743static int tune_hp_mute_led(struct snd_ac97 *ac97)
2744{
2745 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2746 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2747 if (! msw || ! mvol)
2748 return -ENOENT;
2749 msw->put = hp_master_mute_sw_put;
2750 mvol->put = bind_hp_volsw_put;
2751 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2752 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2753 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2754 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2755 return 0;
2756}
2757
1da177e4
LT		 2758struct quirk_table {
2759 const char *name;
ee42381e 2760 int (*func)(struct snd_ac97 *);
1da177e4
LT		 2761};
2762
2763static struct quirk_table applicable_quirks[] = {
2764 { "none", NULL },
2765 { "hp_only", tune_hp_only },
2766 { "swap_hp", tune_swap_hp },
2767 { "swap_surround", tune_swap_surround },
2768 { "ad_sharing", tune_ad_sharing },
2769 { "alc_jack", tune_alc_jack },
2770 { "inv_eapd", tune_inv_eapd },
2771 { "mute_led", tune_mute_led },
a0faefed 2772 { "hp_mute_led", tune_hp_mute_led },
1da177e4
LT		 2773};
2774
2775/* apply the quirk with the given type */
ee42381e 2776static int apply_quirk(struct snd_ac97 *ac97, int type)
1da177e4
LT		 2777{
2778 if (type <= 0)
2779 return 0;
2780 else if (type >= ARRAY_SIZE(applicable_quirks))
2781 return -EINVAL;
2782 if (applicable_quirks[type].func)
2783 return applicable_quirks[type].func(ac97);
2784 return 0;
2785}
2786
2787/* apply the quirk with the given name */
ee42381e 2788static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
1da177e4
LT		 2789{
2790 int i;
2791 struct quirk_table *q;
2792
2793 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2794 q = &applicable_quirks[i];
2795 if (q->name && ! strcmp(typestr, q->name))
2796 return apply_quirk(ac97, i);
2797 }
2798 /* for compatibility, accept the numbers, too */
2799 if (*typestr >= '0' && *typestr <= '9')
2800 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2801 return -EINVAL;
2802}
2803
2804/**
2805 * snd_ac97_tune_hardware - tune up the hardware
2806 * @ac97: the ac97 instance
2807 * @quirk: quirk list
2808 * @override: explicit quirk value (overrides the list if non-NULL)
2809 *
2810 * Do some workaround for each pci device, such as renaming of the
2811 * headphone (true line-out) control as "Master".
2812 * The quirk-list must be terminated with a zero-filled entry.
2813 *
2814 * Returns zero if successful, or a negative error code on failure.
2815 */
2816
ee42381e 2817int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
1da177e4
LT		 2818{
2819 int result;
2820
1da177e4
LT		 2821 /* quirk overriden? */
2822 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2823 result = apply_quirk_str(ac97, override);
2824 if (result < 0)
2825 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2826 return result;
2827 }
2828
4b499486
PP		 2829 if (! quirk)
2830 return -EINVAL;
2831
69ad07cf
JK		 2832 for (; quirk->subvendor; quirk++) {
2833 if (quirk->subvendor != ac97->subsystem_vendor)
1da177e4 2834 continue;
69ad07cf
JK		 2835 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2836 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
1da177e4
LT		 2837 if (quirk->codec_id && quirk->codec_id != ac97->id)
2838 continue;
2839 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2840 result = apply_quirk(ac97, quirk->type);
2841 if (result < 0)
2842 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2843 return result;
2844 }
2845 }
2846 return 0;
2847}
2848
1da177e4 2849EXPORT_SYMBOL(snd_ac97_tune_hardware);
1da177e4
LT		 2850
2851/*
2852 * INIT part
2853 */
2854
2855static int __init alsa_ac97_init(void)
2856{
2857 return 0;
2858}
2859
2860static void __exit alsa_ac97_exit(void)
2861{
2862}
2863
2864module_init(alsa_ac97_init)
2865module_exit(alsa_ac97_exit)
Linux kernel - Deliverables
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