projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
ALSA: make snd_ac97_add_vmaster() static
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / pci / ac97 / ac97_codec.c
CommitLineData
1da177e4 1/*
c1017a4c 2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
1da177e4
LT		 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
1da177e4
LT		 25#include <linux/delay.h>
26#include <linux/init.h>
27#include <linux/slab.h>
28#include <linux/pci.h>
29#include <linux/moduleparam.h>
62932df8 30#include <linux/mutex.h>
1da177e4
LT		 31#include <sound/core.h>
32#include <sound/pcm.h>
2f3482fb 33#include <sound/tlv.h>
1da177e4
LT		 34#include <sound/ac97_codec.h>
35#include <sound/asoundef.h>
36#include <sound/initval.h>
1da177e4 37#include "ac97_id.h"
ac519028
TI		 38
39#include "ac97_patch.c"
1da177e4 40
c1017a4c 41MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4
LT		 42MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
43MODULE_LICENSE("GPL");
44
45static int enable_loopback;
46
47module_param(enable_loopback, bool, 0444);
48MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
49
6dbe6628 50#ifdef CONFIG_SND_AC97_POWER_SAVE
7a5a27cf 51static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT;
38f58227
TI		 52module_param(power_save, int, 0644);
53MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
54 "(in second, 0 = disable).");
6dbe6628 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 },
67e9f4b6 114{ 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL },
1da177e4
LT		 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
9e292c00 146{ 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL },
1da177e4 147{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
9398441e 148{ 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
1da177e4
LT		 149{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
150{ 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
151{ 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
152{ 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
153{ 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
154{ 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
155{ 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
156{ 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
157{ 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
158{ 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
159{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
ba22429d 160{ 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
82466ad7 161{ 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
87d61c29 162{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
1da177e4 163{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
f6127efb 164{ 0x54524103, 0xffffffff, "TR28023", NULL, NULL },
1da177e4
LT		 165{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
166{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
167{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
168{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
169{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
4b499486 170{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
73864fc6 171{ 0x56494182, 0xffffffff, "VIA1618", NULL, NULL },
1da177e4 172{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
f6127efb 173{ 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL },
1da177e4
LT		 174{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
175{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
176{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
177{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
178{ 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
179{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
43115f58 180{ 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL },
1da177e4
LT		 181{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
182{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
183{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
184{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
185{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
186{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
187{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
188{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
189{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
190{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
191{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
192{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
193{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
194{ 0, 0, NULL, NULL, NULL }
195};
196
1da177e4 197
6dbe6628 198static void update_power_regs(struct snd_ac97 *ac97);
f1a63a38
TI		 199#ifdef CONFIG_SND_AC97_POWER_SAVE
200#define ac97_is_power_save_mode(ac97) \
201 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
202#else
203#define ac97_is_power_save_mode(ac97) 0
204#endif
205
6dbe6628 206
1da177e4
LT		 207/*
208 * I/O routines
209 */
210
ee42381e 211static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
1da177e4 212{
1da177e4
LT		 213 /* filter some registers for buggy codecs */
214 switch (ac97->id) {
215 case AC97_ID_AK4540:
216 case AC97_ID_AK4542:
217 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
218 return 1;
219 return 0;
220 case AC97_ID_AD1819: /* AD1819 */
221 case AC97_ID_AD1881: /* AD1881 */
222 case AC97_ID_AD1881A: /* AD1881A */
223 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
224 return 0;
225 return 1;
226 case AC97_ID_AD1885: /* AD1885 */
227 case AC97_ID_AD1886: /* AD1886 */
228 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
229 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
230 if (reg == 0x5a)
231 return 1;
232 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
233 return 0;
234 return 1;
235 case AC97_ID_STAC9700:
236 case AC97_ID_STAC9704:
237 case AC97_ID_STAC9705:
238 case AC97_ID_STAC9708:
239 case AC97_ID_STAC9721:
240 case AC97_ID_STAC9744:
241 case AC97_ID_STAC9756:
242 if (reg <= 0x3a || reg >= 0x5a)
243 return 1;
244 return 0;
245 }
246 return 1;
247}
248
249/**
250 * snd_ac97_write - write a value on the given register
251 * @ac97: the ac97 instance
252 * @reg: the register to change
253 * @value: the value to set
254 *
255 * Writes a value on the given register. This will invoke the write
256 * callback directly after the register check.
257 * This function doesn't change the register cache unlike
258 * #snd_ca97_write_cache(), so use this only when you don't want to
259 * reflect the change to the suspend/resume state.
260 */
ee42381e 261void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 262{
263 if (!snd_ac97_valid_reg(ac97, reg))
264 return;
265 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
266 /* Fix H/W bug of ALC100/100P */
267 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
268 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
269 }
270 ac97->bus->ops->write(ac97, reg, value);
271}
272
7b09679c
TI		 273EXPORT_SYMBOL(snd_ac97_write);
274
1da177e4
LT		 275/**
276 * snd_ac97_read - read a value from the given register
277 *
278 * @ac97: the ac97 instance
279 * @reg: the register to read
280 *
281 * Reads a value from the given register. This will invoke the read
282 * callback directly after the register check.
283 *
284 * Returns the read value.
285 */
ee42381e 286unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 287{
288 if (!snd_ac97_valid_reg(ac97, reg))
289 return 0;
290 return ac97->bus->ops->read(ac97, reg);
291}
292
293/* read a register - return the cached value if already read */
ee42381e 294static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 295{
296 if (! test_bit(reg, ac97->reg_accessed)) {
297 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
298 // set_bit(reg, ac97->reg_accessed);
299 }
300 return ac97->regs[reg];
301}
302
7b09679c
TI		 303EXPORT_SYMBOL(snd_ac97_read);
304
1da177e4
LT		 305/**
306 * snd_ac97_write_cache - write a value on the given register and update the cache
307 * @ac97: the ac97 instance
308 * @reg: the register to change
309 * @value: the value to set
310 *
311 * Writes a value on the given register and updates the register
312 * cache. The cached values are used for the cached-read and the
313 * suspend/resume.
314 */
ee42381e 315void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 316{
317 if (!snd_ac97_valid_reg(ac97, reg))
318 return;
62932df8 319 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 320 ac97->regs[reg] = value;
321 ac97->bus->ops->write(ac97, reg, value);
322 set_bit(reg, ac97->reg_accessed);
62932df8 323 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 324}
325
7b09679c
TI		 326EXPORT_SYMBOL(snd_ac97_write_cache);
327
1da177e4
LT		 328/**
329 * snd_ac97_update - update the value on the given register
330 * @ac97: the ac97 instance
331 * @reg: the register to change
332 * @value: the value to set
333 *
334 * Compares the value with the register cache and updates the value
335 * only when the value is changed.
336 *
337 * Returns 1 if the value is changed, 0 if no change, or a negative
338 * code on failure.
339 */
ee42381e 340int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 341{
342 int change;
343
344 if (!snd_ac97_valid_reg(ac97, reg))
345 return -EINVAL;
62932df8 346 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 347 change = ac97->regs[reg] != value;
348 if (change) {
349 ac97->regs[reg] = value;
350 ac97->bus->ops->write(ac97, reg, value);
351 }
52b72388 352 set_bit(reg, ac97->reg_accessed);
62932df8 353 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 354 return change;
355}
356
7b09679c
TI		 357EXPORT_SYMBOL(snd_ac97_update);
358
1da177e4
LT		 359/**
360 * snd_ac97_update_bits - update the bits on the given register
361 * @ac97: the ac97 instance
362 * @reg: the register to change
363 * @mask: the bit-mask to change
364 * @value: the value to set
365 *
366 * Updates the masked-bits on the given register only when the value
367 * is changed.
368 *
369 * Returns 1 if the bits are changed, 0 if no change, or a negative
370 * code on failure.
371 */
ee42381e 372int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
1da177e4
LT		 373{
374 int change;
375
376 if (!snd_ac97_valid_reg(ac97, reg))
377 return -EINVAL;
62932df8 378 mutex_lock(&ac97->reg_mutex);
1da177e4 379 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
62932df8 380 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 381 return change;
382}
383
7b09679c
TI		 384EXPORT_SYMBOL(snd_ac97_update_bits);
385
1da177e4 386/* no lock version - see snd_ac97_updat_bits() */
ee42381e 387int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
1da177e4
LT		 388 unsigned short mask, unsigned short value)
389{
390 int change;
391 unsigned short old, new;
392
393 old = snd_ac97_read_cache(ac97, reg);
e8bb036a 394 new = (old & ~mask) | (value & mask);
1da177e4
LT		 395 change = old != new;
396 if (change) {
397 ac97->regs[reg] = new;
398 ac97->bus->ops->write(ac97, reg, new);
399 }
52b72388 400 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 401 return change;
402}
403
ee42381e 404static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
1da177e4
LT		 405{
406 int change;
407 unsigned short old, new, cfg;
408
62932df8 409 mutex_lock(&ac97->page_mutex);
1da177e4 410 old = ac97->spec.ad18xx.pcmreg[codec];
e8bb036a 411 new = (old & ~mask) | (value & mask);
1da177e4
LT		 412 change = old != new;
413 if (change) {
62932df8 414 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 415 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
416 ac97->spec.ad18xx.pcmreg[codec] = new;
417 /* select single codec */
418 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
419 (cfg & ~0x7000) |
420 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
421 /* update PCM bits */
422 ac97->bus->ops->write(ac97, AC97_PCM, new);
423 /* select all codecs */
424 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
425 cfg | 0x7000);
62932df8 426 mutex_unlock(&ac97->reg_mutex);
1da177e4 427 }
62932df8 428 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 429 return change;
430}
431
432/*
433 * Controls
434 */
435
ac519028
TI		 436static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
437 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 438{
439 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
440
441 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
442 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
443 uinfo->value.enumerated.items = e->mask;
444
445 if (uinfo->value.enumerated.item > e->mask - 1)
446 uinfo->value.enumerated.item = e->mask - 1;
447 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
448 return 0;
449}
450
ac519028
TI		 451static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
452 struct snd_ctl_elem_value *ucontrol)
1da177e4 453{
ee42381e 454 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 455 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 456 unsigned short val, bitmask;
1da177e4 457
b16760bb 458 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 459 ;
1da177e4 460 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 461 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 462 if (e->shift_l != e->shift_r)
5f0dccf8 463 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 464
465 return 0;
466}
467
ac519028
TI		 468static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
469 struct snd_ctl_elem_value *ucontrol)
1da177e4 470{
ee42381e 471 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 472 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
473 unsigned short val;
5f0dccf8 474 unsigned short mask, bitmask;
1da177e4 475
b16760bb 476 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 477 ;
1da177e4
LT		 478 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
479 return -EINVAL;
480 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 481 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 482 if (e->shift_l != e->shift_r) {
483 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
484 return -EINVAL;
485 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 486 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 487 }
488 return snd_ac97_update_bits(ac97, e->reg, mask, val);
489}
490
491/* save/restore ac97 v2.3 paging */
ee42381e 492static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
1da177e4
LT		 493{
494 int page_save = -1;
495 if ((kcontrol->private_value & (1<<25)) &&
496 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
497 (reg >= 0x60 && reg < 0x70)) {
498 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
62932df8 499 mutex_lock(&ac97->page_mutex); /* lock paging */
1da177e4
LT		 500 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
501 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
502 }
503 return page_save;
504}
505
ee42381e 506static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
1da177e4
LT		 507{
508 if (page_save >= 0) {
509 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
62932df8 510 mutex_unlock(&ac97->page_mutex); /* unlock paging */
1da177e4
LT		 511 }
512}
513
514/* volume and switch controls */
ac519028
TI		 515static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
516 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 517{
518 int mask = (kcontrol->private_value >> 16) & 0xff;
519 int shift = (kcontrol->private_value >> 8) & 0x0f;
520 int rshift = (kcontrol->private_value >> 12) & 0x0f;
521
522 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
523 uinfo->count = shift == rshift ? 1 : 2;
524 uinfo->value.integer.min = 0;
525 uinfo->value.integer.max = mask;
526 return 0;
527}
528
ac519028
TI		 529static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
530 struct snd_ctl_elem_value *ucontrol)
1da177e4 531{
ee42381e 532 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 533 int reg = kcontrol->private_value & 0xff;
534 int shift = (kcontrol->private_value >> 8) & 0x0f;
535 int rshift = (kcontrol->private_value >> 12) & 0x0f;
536 int mask = (kcontrol->private_value >> 16) & 0xff;
537 int invert = (kcontrol->private_value >> 24) & 0x01;
538 int page_save;
539
540 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
541 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
542 if (shift != rshift)
543 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
544 if (invert) {
545 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
546 if (shift != rshift)
547 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
548 }
549 snd_ac97_page_restore(ac97, page_save);
550 return 0;
551}
552
ac519028
TI		 553static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
554 struct snd_ctl_elem_value *ucontrol)
1da177e4 555{
ee42381e 556 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 557 int reg = kcontrol->private_value & 0xff;
558 int shift = (kcontrol->private_value >> 8) & 0x0f;
559 int rshift = (kcontrol->private_value >> 12) & 0x0f;
560 int mask = (kcontrol->private_value >> 16) & 0xff;
561 int invert = (kcontrol->private_value >> 24) & 0x01;
562 int err, page_save;
563 unsigned short val, val2, val_mask;
564
565 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
566 val = (ucontrol->value.integer.value[0] & mask);
567 if (invert)
568 val = mask - val;
569 val_mask = mask << shift;
570 val = val << shift;
571 if (shift != rshift) {
572 val2 = (ucontrol->value.integer.value[1] & mask);
573 if (invert)
574 val2 = mask - val2;
575 val_mask |= mask << rshift;
576 val |= val2 << rshift;
577 }
578 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
579 snd_ac97_page_restore(ac97, page_save);
6dbe6628
TI		 580#ifdef CONFIG_SND_AC97_POWER_SAVE
581 /* check analog mixer power-down */
582 if ((val_mask & 0x8000) &&
583 (kcontrol->private_value & (1<<30))) {
584 if (val & 0x8000)
585 ac97->power_up &= ~(1 << (reg>>1));
586 else
587 ac97->power_up |= 1 << (reg>>1);
da43deb1 588 update_power_regs(ac97);
6dbe6628
TI		 589 }
590#endif
1da177e4
LT		 591 return err;
592}
593
ee42381e 594static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
1da177e4
LT		 595AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
596AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
597};
598
ee42381e 599static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
1da177e4
LT		 600AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
601AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
602};
603
ee42381e 604static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
1da177e4
LT		 605AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
606AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
607};
608
ee42381e 609static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
7931e2a9 610 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
1da177e4
LT		 611
612
613static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
614static const char* std_3d_path[] = {"pre 3D", "post 3D"};
615static const char* std_mix[] = {"Mix", "Mic"};
616static const char* std_mic[] = {"Mic1", "Mic2"};
617
618static const struct ac97_enum std_enum[] = {
619AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
620AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
621AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
622AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
623};
624
ee42381e 625static const struct snd_kcontrol_new snd_ac97_control_capture_src =
1da177e4
LT		 626AC97_ENUM("Capture Source", std_enum[0]);
627
ee42381e 628static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
1da177e4
LT		 629AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
630
ee42381e 631static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
1da177e4
LT		 632AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
633AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
634};
635
ee42381e 636enum {
1da177e4
LT		 637 AC97_GENERAL_PCM_OUT = 0,
638 AC97_GENERAL_STEREO_ENHANCEMENT,
639 AC97_GENERAL_3D,
640 AC97_GENERAL_LOUDNESS,
641 AC97_GENERAL_MONO,
642 AC97_GENERAL_MIC,
643 AC97_GENERAL_LOOPBACK
ee42381e 644};
1da177e4 645
ee42381e 646static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
1da177e4
LT		 647AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
648AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
649AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
650AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
651AC97_ENUM("Mono Output Select", std_enum[2]),
7931e2a9 652AC97_ENUM("Mic Select", std_enum[3]),
1da177e4
LT		 653AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
654};
655
ac519028 656static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
1da177e4
LT		 657AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
658AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
659};
660
ee42381e 661static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
1da177e4
LT		 662AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
663AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
664};
665
ee42381e 666static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
1da177e4
LT		 667AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
668AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
669};
670
ee42381e 671static const struct snd_kcontrol_new snd_ac97_control_eapd =
1da177e4
LT		 672AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
673
ee42381e 674static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
87d61c29
SK		 675AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
676AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
677};
678
1da177e4 679/* change the existing EAPD control as inverted */
ee42381e 680static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
1da177e4
LT		 681{
682 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
683 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
684 ac97->scaps |= AC97_SCAP_INV_EAPD;
685}
686
ee42381e 687static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 688{
689 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
690 uinfo->count = 1;
691 return 0;
692}
693
ee42381e 694static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 695{
696 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
697 IEC958_AES0_NONAUDIO |
698 IEC958_AES0_CON_EMPHASIS_5015 |
699 IEC958_AES0_CON_NOT_COPYRIGHT;
700 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
701 IEC958_AES1_CON_ORIGINAL;
702 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
703 return 0;
704}
705
ee42381e 706static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 707{
708 /* FIXME: AC'97 spec doesn't say which bits are used for what */
709 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
710 IEC958_AES0_NONAUDIO |
711 IEC958_AES0_PRO_FS |
712 IEC958_AES0_PRO_EMPHASIS_5015;
713 return 0;
714}
715
ee42381e 716static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 717{
ee42381e 718 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 719
62932df8 720 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 721 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
722 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
723 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
724 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
62932df8 725 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 726 return 0;
727}
728
ee42381e 729static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 730{
ee42381e 731 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 732 unsigned int new = 0;
733 unsigned short val = 0;
734 int change;
735
736 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
737 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
738 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
739 switch (new & IEC958_AES0_PRO_FS) {
740 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
741 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
742 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
743 default: val |= 1<<12; break;
744 }
745 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
746 val |= 1<<3;
747 } else {
748 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
749 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
750 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
751 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
752 val |= 1<<3;
753 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
754 val |= 1<<2;
755 val |= ((new >> 8) & 0xff) << 4; // category + original
756 switch ((new >> 24) & 0xff) {
757 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
758 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
759 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
760 default: val |= 1<<12; break;
761 }
762 }
763
62932df8 764 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 765 change = ac97->spdif_status != new;
766 ac97->spdif_status = new;
767
768 if (ac97->flags & AC97_CS_SPDIF) {
769 int x = (val >> 12) & 0x03;
770 switch (x) {
771 case 0: x = 1; break; // 44.1
772 case 2: x = 0; break; // 48.0
773 default: x = 0; break; // illegal.
774 }
775 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
776 } else if (ac97->flags & AC97_CX_SPDIF) {
777 int v;
778 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
779 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
780 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
781 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
782 v);
43115f58
KM		 783 } else if (ac97->id == AC97_ID_YMF743) {
784 change |= snd_ac97_update_bits_nolock(ac97,
785 AC97_YMF7X3_DIT_CTRL,
786 0xff38,
787 ((val << 4) & 0xff00) |
788 ((val << 2) & 0x0038));
1da177e4
LT		 789 } else {
790 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
791 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
792
793 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
794 if (extst & AC97_EA_SPDIF) {
795 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
796 }
797 }
62932df8 798 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 799
800 return change;
801}
802
ee42381e 803static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 804{
ee42381e 805 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 806 int reg = kcontrol->private_value & 0xff;
807 int shift = (kcontrol->private_value >> 8) & 0xff;
808 int mask = (kcontrol->private_value >> 16) & 0xff;
809 // int invert = (kcontrol->private_value >> 24) & 0xff;
810 unsigned short value, old, new;
811 int change;
812
813 value = (ucontrol->value.integer.value[0] & mask);
814
62932df8 815 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 816 mask <<= shift;
817 value <<= shift;
818 old = snd_ac97_read_cache(ac97, reg);
819 new = (old & ~mask) | value;
820 change = old != new;
821
822 if (change) {
823 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
824 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
825 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
826 if (extst & AC97_EA_SPDIF)
827 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
828 }
62932df8 829 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 830 return change;
831}
832
ac519028 833static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
1da177e4
LT		 834 {
835 .access = SNDRV_CTL_ELEM_ACCESS_READ,
836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
838 .info = snd_ac97_spdif_mask_info,
839 .get = snd_ac97_spdif_cmask_get,
840 },
841 {
842 .access = SNDRV_CTL_ELEM_ACCESS_READ,
843 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
844 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
845 .info = snd_ac97_spdif_mask_info,
846 .get = snd_ac97_spdif_pmask_get,
847 },
848 {
849 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
850 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
851 .info = snd_ac97_spdif_mask_info,
852 .get = snd_ac97_spdif_default_get,
853 .put = snd_ac97_spdif_default_put,
854 },
855
856 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
857 {
858 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
859 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
860 .info = snd_ac97_info_volsw,
861 .get = snd_ac97_get_volsw,
862 .put = snd_ac97_put_spsa,
863 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
864 },
865};
866
867#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
868{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
869 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
870 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
871
ee42381e 872static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4 873{
ee42381e 874 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 875 int mask = (kcontrol->private_value >> 16) & 0x0f;
876 int lshift = (kcontrol->private_value >> 8) & 0x0f;
877 int rshift = (kcontrol->private_value >> 12) & 0x0f;
878
879 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
880 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
881 uinfo->count = 2;
882 else
883 uinfo->count = 1;
884 uinfo->value.integer.min = 0;
885 uinfo->value.integer.max = mask;
886 return 0;
887}
888
ee42381e 889static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 890{
ee42381e 891 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 892 int codec = kcontrol->private_value & 3;
893 int lshift = (kcontrol->private_value >> 8) & 0x0f;
894 int rshift = (kcontrol->private_value >> 12) & 0x0f;
895 int mask = (kcontrol->private_value >> 16) & 0xff;
896
897 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
899 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
900 return 0;
901}
902
ee42381e 903static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 904{
ee42381e 905 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 906 int codec = kcontrol->private_value & 3;
907 int lshift = (kcontrol->private_value >> 8) & 0x0f;
908 int rshift = (kcontrol->private_value >> 12) & 0x0f;
909 int mask = (kcontrol->private_value >> 16) & 0xff;
910 unsigned short val, valmask;
911
912 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
913 valmask = mask << lshift;
914 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
915 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
916 valmask |= mask << rshift;
917 }
918 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
919}
920
921#define AD18XX_PCM_VOLUME(xname, codec) \
922{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
923 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
924 .private_value = codec }
925
ee42381e 926static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 927{
928 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
929 uinfo->count = 2;
930 uinfo->value.integer.min = 0;
931 uinfo->value.integer.max = 31;
932 return 0;
933}
934
ee42381e 935static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 936{
ee42381e 937 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 938 int codec = kcontrol->private_value & 3;
939
62932df8 940 mutex_lock(&ac97->page_mutex);
1da177e4
LT		 941 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
942 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
62932df8 943 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 944 return 0;
945}
946
ee42381e 947static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 948{
ee42381e 949 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 950 int codec = kcontrol->private_value & 3;
951 unsigned short val1, val2;
952
953 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
954 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
955 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
956}
957
ee42381e 958static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
1da177e4
LT		 959AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
960AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
961};
962
ee42381e 963static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
1da177e4
LT		 964AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
965AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
966};
967
ee42381e 968static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
1da177e4
LT		 969AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
970AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
971};
972
ee42381e 973static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
1da177e4
LT		 974AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
975AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
976};
977
978/*
979 *
980 */
981
ee42381e 982static void snd_ac97_powerdown(struct snd_ac97 *ac97);
1da177e4 983
ee42381e 984static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
1da177e4
LT		 985{
986 if (bus) {
987 snd_ac97_bus_proc_done(bus);
988 kfree(bus->pcms);
989 if (bus->private_free)
990 bus->private_free(bus);
991 kfree(bus);
992 }
993 return 0;
994}
995
ee42381e 996static int snd_ac97_bus_dev_free(struct snd_device *device)
1da177e4 997{
ee42381e 998 struct snd_ac97_bus *bus = device->device_data;
1da177e4
LT		 999 return snd_ac97_bus_free(bus);
1000}
1001
ee42381e 1002static int snd_ac97_free(struct snd_ac97 *ac97)
1da177e4
LT		 1003{
1004 if (ac97) {
6dbe6628 1005#ifdef CONFIG_SND_AC97_POWER_SAVE
f1a63a38 1006 cancel_delayed_work(&ac97->power_work);
3b6baa5a 1007 flush_scheduled_work();
6dbe6628 1008#endif
1da177e4 1009 snd_ac97_proc_done(ac97);
2ba71978 1010 if (ac97->bus)
1da177e4 1011 ac97->bus->codec[ac97->num] = NULL;
1da177e4
LT		 1012 if (ac97->private_free)
1013 ac97->private_free(ac97);
1014 kfree(ac97);
1015 }
1016 return 0;
1017}
1018
ee42381e 1019static int snd_ac97_dev_free(struct snd_device *device)
1da177e4 1020{
ee42381e 1021 struct snd_ac97 *ac97 = device->device_data;
1da177e4
LT		 1022 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1023 return snd_ac97_free(ac97);
1024}
1025
ee42381e 1026static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1da177e4
LT		 1027{
1028 unsigned short val, mask = 0x8000;
1029
1030 if (! snd_ac97_valid_reg(ac97, reg))
1031 return 0;
1032
1033 switch (reg) {
1034 case AC97_MASTER_TONE:
1035 return ac97->caps & 0x04 ? 1 : 0;
1036 case AC97_HEADPHONE:
1037 return ac97->caps & 0x10 ? 1 : 0;
1038 case AC97_REC_GAIN_MIC:
1039 return ac97->caps & 0x01 ? 1 : 0;
1040 case AC97_3D_CONTROL:
1041 if (ac97->caps & 0x7c00) {
1042 val = snd_ac97_read(ac97, reg);
1043 /* if nonzero - fixed and we can't set it */
1044 return val == 0;
1045 }
1046 return 0;
1047 case AC97_CENTER_LFE_MASTER: /* center */
1048 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1049 return 0;
1050 break;
1051 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1052 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1053 return 0;
1054 reg = AC97_CENTER_LFE_MASTER;
1055 mask = 0x0080;
1056 break;
1057 case AC97_SURROUND_MASTER:
1058 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1059 return 0;
1060 break;
1061 }
1062
1da177e4
LT		 1063 val = snd_ac97_read(ac97, reg);
1064 if (!(val & mask)) {
1065 /* nothing seems to be here - mute flag is not set */
1066 /* try another test */
1067 snd_ac97_write_cache(ac97, reg, val | mask);
1068 val = snd_ac97_read(ac97, reg);
ee42381e 1069 val = snd_ac97_read(ac97, reg);
1da177e4
LT		 1070 if (!(val & mask))
1071 return 0; /* nothing here */
1072 }
1073 return 1; /* success, useable */
1074}
1075
ee42381e 1076static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1da177e4
LT		 1077{
1078 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1079 unsigned char max[3] = { 63, 31, 15 };
1080 int i;
1081
50dabc2d
TI		 1082 /* first look up the static resolution table */
1083 if (ac97->res_table) {
1084 const struct snd_ac97_res_table *tbl;
1085 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1086 if (tbl->reg == reg) {
1087 *lo_max = tbl->bits & 0xff;
1088 *hi_max = (tbl->bits >> 8) & 0xff;
1089 return;
1090 }
1091 }
1092 }
1093
1da177e4
LT		 1094 *lo_max = *hi_max = 0;
1095 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1096 unsigned short val;
1097 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
c9eab129 1098 /* Do the read twice due to buffers on some ac97 codecs.
59c51591 1099 * e.g. The STAC9704 returns exactly what you wrote to the register
c9eab129
JCD		 1100 * if you read it immediately. This causes the detect routine to fail.
1101 */
1102 val = snd_ac97_read(ac97, reg);
1da177e4 1103 val = snd_ac97_read(ac97, reg);
a2142674 1104 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1105 *lo_max = max[i];
a2142674 1106 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1107 *hi_max = max[i];
1108 if (*lo_max && *hi_max)
1109 break;
1110 }
1111}
1112
ac519028 1113static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1da177e4
LT		 1114{
1115 unsigned short mask, val, orig, res;
1116
1117 mask = 1 << bit;
1118 orig = snd_ac97_read(ac97, reg);
1119 val = orig ^ mask;
1120 snd_ac97_write(ac97, reg, val);
1121 res = snd_ac97_read(ac97, reg);
1122 snd_ac97_write_cache(ac97, reg, orig);
1123 return res == val;
1124}
1125
1126/* check the volume resolution of center/lfe */
ee42381e 1127static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1da177e4
LT		 1128{
1129 unsigned short val, val1;
1130
1131 *max = 63;
1132 val = 0x8080 | (0x20 << shift);
1133 snd_ac97_write(ac97, reg, val);
1134 val1 = snd_ac97_read(ac97, reg);
1135 if (val != val1) {
1136 *max = 31;
1137 }
1138 /* reset volume to zero */
1139 snd_ac97_write_cache(ac97, reg, 0x8080);
1140}
1141
1142static inline int printable(unsigned int x)
1143{
1144 x &= 0xff;
1145 if (x < ' ' || x >= 0x71) {
1146 if (x <= 0x89)
1147 return x - 0x71 + 'A';
1148 return '?';
1149 }
1150 return x;
1151}
1152
ac519028
TI		 1153static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
1154 struct snd_ac97 * ac97)
1da177e4 1155{
ee42381e 1156 struct snd_kcontrol_new template;
1da177e4 1157 memcpy(&template, _template, sizeof(template));
1da177e4
LT		 1158 template.index = ac97->num;
1159 return snd_ctl_new1(&template, ac97);
1160}
1161
1162/*
1163 * create mute switch(es) for normal stereo controls
1164 */
6dbe6628
TI		 1165static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1166 int check_stereo, int check_amix,
1167 struct snd_ac97 *ac97)
1da177e4 1168{
ee42381e 1169 struct snd_kcontrol *kctl;
1da177e4
LT		 1170 int err;
1171 unsigned short val, val1, mute_mask;
1172
1173 if (! snd_ac97_valid_reg(ac97, reg))
1174 return 0;
1175
1176 mute_mask = 0x8000;
1177 val = snd_ac97_read(ac97, reg);
1178 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1179 /* check whether both mute bits work */
1180 val1 = val | 0x8080;
1181 snd_ac97_write(ac97, reg, val1);
1182 if (val1 == snd_ac97_read(ac97, reg))
1183 mute_mask = 0x8080;
1184 }
1185 if (mute_mask == 0x8080) {
ee42381e 1186 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
6dbe6628
TI		 1187 if (check_amix)
1188 tmp.private_value |= (1 << 30);
1da177e4
LT		 1189 tmp.index = ac97->num;
1190 kctl = snd_ctl_new1(&tmp, ac97);
1191 } else {
ee42381e 1192 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
6dbe6628
TI		 1193 if (check_amix)
1194 tmp.private_value |= (1 << 30);
1da177e4
LT		 1195 tmp.index = ac97->num;
1196 kctl = snd_ctl_new1(&tmp, ac97);
1197 }
1198 err = snd_ctl_add(card, kctl);
1199 if (err < 0)
1200 return err;
1201 /* mute as default */
1202 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1203 return 0;
1204}
1205
2f3482fb
TI		 1206/*
1207 * set dB information
1208 */
0cb29ea0
TI		 1209static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1210static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1211static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1212static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1213static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
2f3482fb 1214
0cb29ea0 1215static const unsigned int *find_db_scale(unsigned int maxval)
2f3482fb
TI		 1216{
1217 switch (maxval) {
1218 case 0x0f: return db_scale_4bit;
1219 case 0x1f: return db_scale_5bit;
1220 case 0x3f: return db_scale_6bit;
1221 }
1222 return NULL;
1223}
1224
0cb29ea0
TI		 1225static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1226{
2f3482fb
TI		 1227 kctl->tlv.p = tlv;
1228 if (tlv)
1229 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1230}
1231
1da177e4
LT		 1232/*
1233 * create a volume for normal stereo/mono controls
1234 */
ee42381e
TI		 1235static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1236 unsigned int hi_max, struct snd_ac97 *ac97)
1da177e4
LT		 1237{
1238 int err;
ee42381e 1239 struct snd_kcontrol *kctl;
1da177e4
LT		 1240
1241 if (! snd_ac97_valid_reg(ac97, reg))
1242 return 0;
1243 if (hi_max) {
1244 /* invert */
ee42381e 1245 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1da177e4
LT		 1246 tmp.index = ac97->num;
1247 kctl = snd_ctl_new1(&tmp, ac97);
1248 } else {
1249 /* invert */
ee42381e 1250 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1da177e4
LT		 1251 tmp.index = ac97->num;
1252 kctl = snd_ctl_new1(&tmp, ac97);
1253 }
2f3482fb
TI		 1254 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1255 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1256 else
1257 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1da177e4
LT		 1258 err = snd_ctl_add(card, kctl);
1259 if (err < 0)
1260 return err;
1261 snd_ac97_write_cache(ac97, reg,
1262 (snd_ac97_read(ac97, reg) & 0x8080) |
1263 lo_max | (hi_max << 8));
1264 return 0;
1265}
1266
1267/*
1268 * create a mute-switch and a volume for normal stereo/mono controls
1269 */
6dbe6628
TI		 1270static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1271 int reg, int check_stereo, int check_amix,
1272 struct snd_ac97 *ac97)
1da177e4
LT		 1273{
1274 int err;
1275 char name[44];
1276 unsigned char lo_max, hi_max;
1277
1278 if (! snd_ac97_valid_reg(ac97, reg))
1279 return 0;
1280
1281 if (snd_ac97_try_bit(ac97, reg, 15)) {
1282 sprintf(name, "%s Switch", pfx);
6dbe6628
TI		 1283 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1284 check_stereo, check_amix,
1285 ac97)) < 0)
1da177e4
LT		 1286 return err;
1287 }
1288 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1289 if (lo_max) {
1290 sprintf(name, "%s Volume", pfx);
1291 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1292 return err;
1293 }
1294 return 0;
1295}
1296
6dbe6628
TI		 1297#define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1298 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1299#define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1300 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1da177e4 1301
ee42381e 1302static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1da177e4 1303
ee42381e 1304static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1da177e4 1305{
ee42381e
TI		 1306 struct snd_card *card = ac97->bus->card;
1307 struct snd_kcontrol *kctl;
1da177e4
LT		 1308 int err;
1309 unsigned int idx;
1310 unsigned char max;
1311
1312 /* build master controls */
1313 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1314 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1315 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
6dbe6628
TI		 1316 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1317 AC97_MASTER, 0, ac97);
1da177e4 1318 else
6dbe6628
TI		 1319 err = snd_ac97_cmix_new(card, "Master Playback",
1320 AC97_MASTER, 0, ac97);
1da177e4
LT		 1321 if (err < 0)
1322 return err;
1323 }
1324
1325 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1326
1327 /* build center controls */
70c5acbd
JK		 1328 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1329 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4
LT		 1330 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1331 return err;
1332 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1333 return err;
1334 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1335 kctl->private_value &= ~(0xff << 16);
1336 kctl->private_value |= (int)max << 16;
2f3482fb 1337 set_tlv_db_scale(kctl, find_db_scale(max));
1da177e4
LT		 1338 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1339 }
1340
1341 /* build LFE controls */
70c5acbd
JK		 1342 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1343 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4
LT		 1344 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1345 return err;
1346 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1347 return err;
1348 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1349 kctl->private_value &= ~(0xff << 16);
1350 kctl->private_value |= (int)max << 16;
2f3482fb 1351 set_tlv_db_scale(kctl, find_db_scale(max));
1da177e4
LT		 1352 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1353 }
1354
1355 /* build surround controls */
70c5acbd
JK		 1356 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1357 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4 1358 /* Surround Master (0x38) is with stereo mutes */
6dbe6628
TI		 1359 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1360 AC97_SURROUND_MASTER, 1, 0,
1361 ac97)) < 0)
1da177e4
LT		 1362 return err;
1363 }
1364
1365 /* build headphone controls */
1366 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
6dbe6628
TI		 1367 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1368 AC97_HEADPHONE, 0, ac97)) < 0)
1da177e4
LT		 1369 return err;
1370 }
1371
1372 /* build master mono controls */
1373 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
6dbe6628
TI		 1374 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1375 AC97_MASTER_MONO, 0, ac97)) < 0)
1da177e4
LT		 1376 return err;
1377 }
1378
1379 /* build master tone controls */
3998b70f
LG		 1380 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1381 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1382 for (idx = 0; idx < 2; idx++) {
1383 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1384 return err;
43115f58
KM		 1385 if (ac97->id == AC97_ID_YMF743 ||
1386 ac97->id == AC97_ID_YMF753) {
3998b70f
LG		 1387 kctl->private_value &= ~(0xff << 16);
1388 kctl->private_value |= 7 << 16;
1389 }
1da177e4 1390 }
3998b70f 1391 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1da177e4 1392 }
1da177e4
LT		 1393 }
1394
1395 /* build PC Speaker controls */
1396 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1397 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1398 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1399 for (idx = 0; idx < 2; idx++)
2f3482fb 1400 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1da177e4 1401 return err;
2f3482fb 1402 set_tlv_db_scale(kctl, db_scale_4bit);
1da177e4
LT		 1403 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1404 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1405 }
1406
1407 /* build Phone controls */
1408 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1409 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
6dbe6628
TI		 1410 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1411 AC97_PHONE, 1, ac97)) < 0)
1da177e4
LT		 1412 return err;
1413 }
1414 }
1415
1416 /* build MIC controls */
3998b70f
LG		 1417 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1418 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
6dbe6628
TI		 1419 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1420 AC97_MIC, 1, ac97)) < 0)
3998b70f
LG		 1421 return err;
1422 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1423 return err;
1424 }
1da177e4
LT		 1425 }
1426
1427 /* build Line controls */
1428 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
6dbe6628
TI		 1429 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1430 AC97_LINE, 1, ac97)) < 0)
1da177e4
LT		 1431 return err;
1432 }
1433
1434 /* build CD controls */
1435 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1436 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
6dbe6628
TI		 1437 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1438 AC97_CD, 1, ac97)) < 0)
1da177e4
LT		 1439 return err;
1440 }
1441 }
1442
1443 /* build Video controls */
1444 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1445 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
6dbe6628
TI		 1446 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1447 AC97_VIDEO, 1, ac97)) < 0)
1da177e4
LT		 1448 return err;
1449 }
1450 }
1451
1452 /* build Aux controls */
1459c784
RG		 1453 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1454 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
6dbe6628
TI		 1455 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1456 AC97_AUX, 1, ac97)) < 0)
1459c784
RG		 1457 return err;
1458 }
1da177e4
LT		 1459 }
1460
1461 /* build PCM controls */
1462 if (ac97->flags & AC97_AD_MULTI) {
1463 unsigned short init_val;
1464 if (ac97->flags & AC97_STEREO_MUTES)
1465 init_val = 0x9f9f;
1466 else
1467 init_val = 0x9f1f;
1468 for (idx = 0; idx < 2; idx++)
2f3482fb 1469 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1da177e4 1470 return err;
2f3482fb 1471 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1472 ac97->spec.ad18xx.pcmreg[0] = init_val;
1473 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1474 for (idx = 0; idx < 2; idx++)
2f3482fb 1475 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1da177e4 1476 return err;
2f3482fb 1477 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1478 ac97->spec.ad18xx.pcmreg[1] = init_val;
1479 }
1480 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1481 for (idx = 0; idx < 2; idx++)
2f3482fb 1482 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1da177e4 1483 return err;
2f3482fb 1484 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4 1485 for (idx = 0; idx < 2; idx++)
2f3482fb 1486 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1da177e4 1487 return err;
2f3482fb 1488 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1489 ac97->spec.ad18xx.pcmreg[2] = init_val;
1490 }
1491 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1492 } else {
3998b70f
LG		 1493 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1494 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
6dbe6628
TI		 1495 err = snd_ac97_cmute_new(card,
1496 "PCM Playback Switch",
1497 AC97_PCM, 0, ac97);
3998b70f 1498 else
6dbe6628
TI		 1499 err = snd_ac97_cmix_new(card, "PCM Playback",
1500 AC97_PCM, 0, ac97);
3998b70f
LG		 1501 if (err < 0)
1502 return err;
1503 }
1da177e4
LT		 1504 }
1505
1506 /* build Capture controls */
1507 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1508 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1509 return err;
1510 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
6dbe6628
TI		 1511 err = snd_ac97_cmute_new(card, "Capture Switch",
1512 AC97_REC_GAIN, 0, ac97);
1513 if (err < 0)
1da177e4
LT		 1514 return err;
1515 }
2f3482fb 1516 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1da177e4 1517 return err;
2f3482fb 1518 set_tlv_db_scale(kctl, db_scale_rec_gain);
1da177e4
LT		 1519 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1520 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1521 }
1522 /* build MIC Capture controls */
1523 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1524 for (idx = 0; idx < 2; idx++)
2f3482fb 1525 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1da177e4 1526 return err;
2f3482fb 1527 set_tlv_db_scale(kctl, db_scale_rec_gain);
1da177e4
LT		 1528 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1529 }
1530
1531 /* build PCM out path & mute control */
1532 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1533 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1534 return err;
1535 }
1536
1537 /* build Simulated Stereo Enhancement control */
1538 if (ac97->caps & 0x0008) {
1539 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1540 return err;
1541 }
1542
1543 /* build 3D Stereo Enhancement control */
1544 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1545 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1546 return err;
1547 }
1548
1549 /* build Loudness control */
1550 if (ac97->caps & 0x0020) {
1551 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1552 return err;
1553 }
1554
1555 /* build Mono output select control */
1556 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1557 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1558 return err;
1559 }
1560
1561 /* build Mic select control */
1562 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1563 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1564 return err;
1565 }
1566
1567 /* build ADC/DAC loopback control */
1568 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1569 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1570 return err;
1571 }
1572
1573 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1574
1575 /* build 3D controls */
1576 if (ac97->build_ops->build_3d) {
1577 ac97->build_ops->build_3d(ac97);
1578 } else {
1579 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1580 unsigned short val;
1581 val = 0x0707;
1582 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1583 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1584 val = val == 0x0606;
1585 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1586 return err;
1587 if (val)
1588 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1589 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1590 return err;
1591 if (val)
1592 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1593 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1594 }
1595 }
1596
1597 /* build S/PDIF controls */
7b89190c
MS		 1598
1599 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1600 if (ac97->subsystem_vendor == 0x1043 &&
1601 ac97->subsystem_device == 0x810f)
1602 ac97->ext_id |= AC97_EI_SPDIF;
1603
1da177e4
LT		 1604 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1605 if (ac97->build_ops->build_spdif) {
1606 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1607 return err;
1608 } else {
1609 for (idx = 0; idx < 5; idx++)
1610 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1611 return err;
1612 if (ac97->build_ops->build_post_spdif) {
1613 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1614 return err;
1615 }
1616 /* set default PCM S/PDIF params */
1617 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1618 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1619 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1620 }
1621 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1622 }
1623
1624 /* build chip specific controls */
1625 if (ac97->build_ops->build_specific)
1626 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1627 return err;
1628
1629 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1630 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1631 if (! kctl)
1632 return -ENOMEM;
1633 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1634 set_inv_eapd(ac97, kctl);
1635 if ((err = snd_ctl_add(card, kctl)) < 0)
1636 return err;
1637 }
1638
1639 return 0;
1640}
1641
ee42381e 1642static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1da177e4 1643{
87d61c29
SK		 1644 int err, idx;
1645
1da177e4
LT		 1646 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1647 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1648 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1649 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1650 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1651 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1652
1653 /* build modem switches */
1654 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
0444e2ac 1655 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
87d61c29
SK		 1656 return err;
1657
1658 /* build chip specific controls */
1659 if (ac97->build_ops->build_specific)
1660 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1661 return err;
1662
1da177e4
LT		 1663 return 0;
1664}
1665
ee42381e 1666static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1da177e4
LT		 1667{
1668 unsigned short val;
1669 unsigned int tmp;
1670
1671 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1672 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1673 if (shadow_reg)
1674 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1675 val = snd_ac97_read(ac97, reg);
1676 return val == (tmp & 0xffff);
1677}
1678
ee42381e 1679static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1da177e4
LT		 1680{
1681 unsigned int result = 0;
1682 unsigned short saved;
1683
1684 if (ac97->bus->no_vra) {
1685 *r_result = SNDRV_PCM_RATE_48000;
1686 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1687 reg == AC97_PCM_FRONT_DAC_RATE)
1688 *r_result |= SNDRV_PCM_RATE_96000;
1689 return;
1690 }
1691
1692 saved = snd_ac97_read(ac97, reg);
1693 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1694 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1695 AC97_EA_DRA, 0);
1696 /* test a non-standard rate */
1697 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1698 result |= SNDRV_PCM_RATE_CONTINUOUS;
1699 /* let's try to obtain standard rates */
1700 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1701 result |= SNDRV_PCM_RATE_8000;
1702 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1703 result |= SNDRV_PCM_RATE_11025;
1704 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1705 result |= SNDRV_PCM_RATE_16000;
1706 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1707 result |= SNDRV_PCM_RATE_22050;
1708 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1709 result |= SNDRV_PCM_RATE_32000;
1710 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1711 result |= SNDRV_PCM_RATE_44100;
1712 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1713 result |= SNDRV_PCM_RATE_48000;
1714 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1715 reg == AC97_PCM_FRONT_DAC_RATE) {
1716 /* test standard double rates */
1717 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1718 AC97_EA_DRA, AC97_EA_DRA);
1719 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1720 result |= SNDRV_PCM_RATE_64000;
1721 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1722 result |= SNDRV_PCM_RATE_88200;
1723 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1724 result |= SNDRV_PCM_RATE_96000;
1725 /* some codecs don't support variable double rates */
1726 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1727 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1728 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1729 AC97_EA_DRA, 0);
1730 }
1731 /* restore the default value */
1732 snd_ac97_write_cache(ac97, reg, saved);
1733 if (shadow_reg)
1734 snd_ac97_write_cache(ac97, shadow_reg, saved);
1735 *r_result = result;
1736}
1737
1738/* check AC97_SPDIF register to accept which sample rates */
ee42381e 1739static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1da177e4
LT		 1740{
1741 unsigned int result = 0;
1742 int i;
1743 static unsigned short ctl_bits[] = {
1744 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1745 };
1746 static unsigned int rate_bits[] = {
1747 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1748 };
1749
1750 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1751 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1752 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1753 result |= rate_bits[i];
1754 }
1755 return result;
1756}
1757
1758/* look for the codec id table matching with the given id */
ee42381e
TI		 1759static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1760 unsigned int id)
1da177e4 1761{
ee42381e 1762 const struct ac97_codec_id *pid;
1da177e4
LT		 1763
1764 for (pid = table; pid->id; pid++)
1765 if (pid->id == (id & pid->mask))
1766 return pid;
1767 return NULL;
1768}
1769
ee42381e 1770void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1da177e4 1771{
ee42381e 1772 const struct ac97_codec_id *pid;
1da177e4
LT		 1773
1774 sprintf(name, "0x%x %c%c%c", id,
1775 printable(id >> 24),
1776 printable(id >> 16),
1777 printable(id >> 8));
1778 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1779 if (! pid)
1780 return;
1781
1782 strcpy(name, pid->name);
1783 if (ac97 && pid->patch) {
1784 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1785 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1786 pid->patch(ac97);
1787 }
1788
1789 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1790 if (pid) {
1791 strcat(name, " ");
1792 strcat(name, pid->name);
1793 if (pid->mask != 0xffffffff)
1794 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1795 if (ac97 && pid->patch) {
1796 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1797 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1798 pid->patch(ac97);
1799 }
1800 } else
1801 sprintf(name + strlen(name), " id %x", id & 0xff);
1802}
1803
1804/**
1805 * snd_ac97_get_short_name - retrieve codec name
1806 * @ac97: the codec instance
1807 *
1808 * Returns the short identifying name of the codec.
1809 */
ee42381e 1810const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1da177e4 1811{
ee42381e 1812 const struct ac97_codec_id *pid;
1da177e4
LT		 1813
1814 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1815 if (pid->id == (ac97->id & pid->mask))
1816 return pid->name;
1817 return "unknown codec";
1818}
1819
7b09679c 1820EXPORT_SYMBOL(snd_ac97_get_short_name);
1da177e4
LT		 1821
1822/* wait for a while until registers are accessible after RESET
1823 * return 0 if ok, negative not ready
1824 */
ee42381e 1825static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1da177e4
LT		 1826{
1827 unsigned long end_time;
1828 unsigned short val;
1829
1830 end_time = jiffies + timeout;
1831 do {
1832
1833 /* use preliminary reads to settle the communication */
1834 snd_ac97_read(ac97, AC97_RESET);
1835 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1836 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1837 /* modem? */
1838 if (with_modem) {
1839 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1840 if (val != 0xffff && (val & 1) != 0)
1841 return 0;
1842 }
1843 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1844 /* probably only Xbox issue - all registers are read as zero */
1845 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1846 if (val != 0 && val != 0xffff)
1847 return 0;
1848 } else {
1849 /* because the PCM or MASTER volume registers can be modified,
1850 * the REC_GAIN register is used for tests
1851 */
1852 /* test if we can write to the record gain volume register */
1853 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1854 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1855 return 0;
1856 }
8433a509 1857 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1858 } while (time_after_eq(end_time, jiffies));
1859 return -ENODEV;
1860}
1861
1862/**
1863 * snd_ac97_bus - create an AC97 bus component
1864 * @card: the card instance
1865 * @num: the bus number
1866 * @ops: the bus callbacks table
1867 * @private_data: private data pointer for the new instance
1868 * @rbus: the pointer to store the new AC97 bus instance.
1869 *
ee42381e 1870 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1da177e4
LT		 1871 * allocated and initialized.
1872 *
1873 * The ops table must include valid callbacks (at least read and
1874 * write). The other callbacks, wait and reset, are not mandatory.
1875 *
1876 * The clock is set to 48000. If another clock is needed, set
1877 * (*rbus)->clock manually.
1878 *
1879 * The AC97 bus instance is registered as a low-level device, so you don't
1880 * have to release it manually.
1881 *
1882 * Returns zero if successful, or a negative error code on failure.
1883 */
ee42381e
TI		 1884int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1885 void *private_data, struct snd_ac97_bus **rbus)
1da177e4
LT		 1886{
1887 int err;
ee42381e
TI		 1888 struct snd_ac97_bus *bus;
1889 static struct snd_device_ops dev_ops = {
1da177e4
LT		 1890 .dev_free = snd_ac97_bus_dev_free,
1891 };
1892
1893 snd_assert(card != NULL, return -EINVAL);
1894 snd_assert(rbus != NULL, return -EINVAL);
e560d8d8 1895 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 1896 if (bus == NULL)
1897 return -ENOMEM;
1898 bus->card = card;
1899 bus->num = num;
1900 bus->ops = ops;
1901 bus->private_data = private_data;
1902 bus->clock = 48000;
1903 spin_lock_init(&bus->bus_lock);
1904 snd_ac97_bus_proc_init(bus);
1905 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1906 snd_ac97_bus_free(bus);
1907 return err;
1908 }
1909 *rbus = bus;
1910 return 0;
1911}
1912
7b09679c
TI		 1913EXPORT_SYMBOL(snd_ac97_bus);
1914
0ca06a00
LG		 1915/* stop no dev release warning */
1916static void ac97_device_release(struct device * dev)
1917{
1918}
1919
1920/* register ac97 codec to bus */
ee42381e 1921static int snd_ac97_dev_register(struct snd_device *device)
0ca06a00 1922{
ee42381e 1923 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1924 int err;
1925
1926 ac97->dev.bus = &ac97_bus_type;
1927 ac97->dev.parent = ac97->bus->card->dev;
0ca06a00 1928 ac97->dev.release = ac97_device_release;
9398441e
TI		 1929 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1930 ac97->bus->card->number, ac97->num,
1931 snd_ac97_get_short_name(ac97));
0ca06a00
LG		 1932 if ((err = device_register(&ac97->dev)) < 0) {
1933 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1934 ac97->dev.bus = NULL;
1935 return err;
1936 }
1937 return 0;
1938}
1939
c461482c
TI		 1940/* disconnect ac97 codec */
1941static int snd_ac97_dev_disconnect(struct snd_device *device)
0ca06a00 1942{
ee42381e 1943 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1944 if (ac97->dev.bus)
1945 device_unregister(&ac97->dev);
c461482c 1946 return 0;
0ca06a00
LG		 1947}
1948
1da177e4
LT		 1949/* build_ops to do nothing */
1950static struct snd_ac97_build_ops null_build_ops;
1951
6dbe6628 1952#ifdef CONFIG_SND_AC97_POWER_SAVE
c4028958 1953static void do_update_power(struct work_struct *work)
6dbe6628 1954{
c4028958
DH		 1955 update_power_regs(
1956 container_of(work, struct snd_ac97, power_work.work));
6dbe6628
TI		 1957}
1958#endif
1959
1da177e4
LT		 1960/**
1961 * snd_ac97_mixer - create an Codec97 component
1962 * @bus: the AC97 bus which codec is attached to
1963 * @template: the template of ac97, including index, callbacks and
1964 * the private data.
1965 * @rac97: the pointer to store the new ac97 instance.
1966 *
ee42381e 1967 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1da177e4
LT		 1968 * allocated and initialized from the template. The codec
1969 * is then initialized by the standard procedure.
1970 *
1971 * The template must include the codec number (num) and address (addr),
1972 * and the private data (private_data).
1973 *
1974 * The ac97 instance is registered as a low-level device, so you don't
1975 * have to release it manually.
1976 *
1977 * Returns zero if successful, or a negative error code on failure.
1978 */
ee42381e 1979int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1da177e4
LT		 1980{
1981 int err;
ee42381e
TI		 1982 struct snd_ac97 *ac97;
1983 struct snd_card *card;
1da177e4
LT		 1984 char name[64];
1985 unsigned long end_time;
1986 unsigned int reg;
ee42381e
TI		 1987 const struct ac97_codec_id *pid;
1988 static struct snd_device_ops ops = {
1da177e4 1989 .dev_free = snd_ac97_dev_free,
0ca06a00 1990 .dev_register = snd_ac97_dev_register,
c461482c 1991 .dev_disconnect = snd_ac97_dev_disconnect,
1da177e4
LT		 1992 };
1993
1994 snd_assert(rac97 != NULL, return -EINVAL);
1995 *rac97 = NULL;
1996 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1997 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1998
1da177e4 1999 card = bus->card;
e560d8d8 2000 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1da177e4
LT		 2001 if (ac97 == NULL)
2002 return -ENOMEM;
2003 ac97->private_data = template->private_data;
2004 ac97->private_free = template->private_free;
2005 ac97->bus = bus;
2006 ac97->pci = template->pci;
2007 ac97->num = template->num;
2008 ac97->addr = template->addr;
2009 ac97->scaps = template->scaps;
7c5706bb 2010 ac97->res_table = template->res_table;
1da177e4 2011 bus->codec[ac97->num] = ac97;
62932df8
IM		 2012 mutex_init(&ac97->reg_mutex);
2013 mutex_init(&ac97->page_mutex);
6dbe6628 2014#ifdef CONFIG_SND_AC97_POWER_SAVE
c4028958 2015 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
6dbe6628 2016#endif
1da177e4 2017
adf1b3d2 2018#ifdef CONFIG_PCI
1da177e4
LT		 2019 if (ac97->pci) {
2020 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2021 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2022 }
adf1b3d2 2023#endif
1da177e4
LT		 2024 if (bus->ops->reset) {
2025 bus->ops->reset(ac97);
2026 goto __access_ok;
2027 }
2028
2029 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2030 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2031 if (ac97->id && ac97->id != (unsigned int)-1) {
2032 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2033 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2034 goto __access_ok;
2035 }
2036
23fea4da
SK		 2037 /* reset to defaults */
2038 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2039 snd_ac97_write(ac97, AC97_RESET, 0);
2040 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2041 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 2042 if (bus->ops->wait)
2043 bus->ops->wait(ac97);
2044 else {
2045 udelay(50);
2046 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
45cffef1 2047 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);
1da177e4 2048 else {
45cffef1 2049 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);
1da177e4 2050 if (err < 0)
45cffef1
TI		 2051 err = ac97_reset_wait(ac97,
2052 msecs_to_jiffies(500), 1);
1da177e4
LT		 2053 }
2054 if (err < 0) {
2055 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
2056 /* proceed anyway - it's often non-critical */
2057 }
2058 }
2059 __access_ok:
2060 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2061 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2062 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2063 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2064 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
2065 snd_ac97_free(ac97);
2066 return -EIO;
2067 }
2068 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2069 if (pid)
2070 ac97->flags |= pid->flags;
2071
2072 /* test for AC'97 */
2073 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2074 /* test if we can write to the record gain volume register */
2075 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2076 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2077 ac97->scaps |= AC97_SCAP_AUDIO;
2078 }
2079 if (ac97->scaps & AC97_SCAP_AUDIO) {
2080 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2081 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2082 if (ac97->ext_id == 0xffff) /* invalid combination */
2083 ac97->ext_id = 0;
2084 }
2085
2086 /* test for MC'97 */
2087 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2088 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2089 if (ac97->ext_mid == 0xffff) /* invalid combination */
2090 ac97->ext_mid = 0;
2091 if (ac97->ext_mid & 1)
2092 ac97->scaps |= AC97_SCAP_MODEM;
2093 }
2094
2095 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2096 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2097 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2098 snd_ac97_free(ac97);
2099 return -EACCES;
2100 }
2101
2102 if (bus->ops->reset) // FIXME: always skipping?
2103 goto __ready_ok;
2104
2105 /* FIXME: add powerdown control */
2106 if (ac97_is_audio(ac97)) {
2107 /* nothing should be in powerdown mode */
2108 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2109 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2110 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2111 udelay(100);
2112 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2113 }
2114 /* nothing should be in powerdown mode */
2115 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
45cffef1 2116 end_time = jiffies + msecs_to_jiffies(100);
1da177e4
LT		 2117 do {
2118 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2119 goto __ready_ok;
8433a509 2120 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2121 } while (time_after_eq(end_time, jiffies));
2122 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2123 }
2124
2125 /* FIXME: add powerdown control */
2126 if (ac97_is_modem(ac97)) {
2127 unsigned char tmp;
2128
2129 /* nothing should be in powerdown mode */
2130 /* note: it's important to set the rate at first */
2131 tmp = AC97_MEA_GPIO;
2132 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 2133 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 2134 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2135 }
2136 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 2137 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 2138 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2139 }
2140 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 2141 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 2142 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2143 }
8e8311b0 2144 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2145 udelay(100);
2146 /* nothing should be in powerdown mode */
8e8311b0 2147 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
45cffef1 2148 end_time = jiffies + msecs_to_jiffies(100);
1da177e4
LT		 2149 do {
2150 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2151 goto __ready_ok;
8433a509 2152 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2153 } while (time_after_eq(end_time, jiffies));
2154 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2155 }
2156
2157 __ready_ok:
2158 if (ac97_is_audio(ac97))
2159 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2160 else
2161 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2162 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2163 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2164 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2165 if (! bus->no_vra)
2166 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2167 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2168 }
2169 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2170 /* Intel controllers require double rate data to be put in
2171 * slots 7+8, so let's hope the codec supports it. */
2172 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2173 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2174 ac97->flags |= AC97_DOUBLE_RATE;
091e95ee
TI		 2175 /* restore to slots 10/11 to avoid the confliction with surrounds */
2176 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
1da177e4
LT		 2177 }
2178 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2179 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2180 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2181 } else {
2182 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2183 if (ac97->flags & AC97_DOUBLE_RATE)
2184 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2185 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2186 }
2187 if (ac97->ext_id & AC97_EI_SPDIF) {
2188 /* codec specific code (patch) should override these values */
2189 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2190 }
2191 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2192 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2193 } else {
2194 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2195 }
2196 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2197 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2198 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2199 }
2200 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2201 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2202 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2203 }
2204 /* additional initializations */
2205 if (bus->ops->init)
2206 bus->ops->init(ac97);
2207 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2208 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2209 if (! ac97->build_ops)
2210 ac97->build_ops = &null_build_ops;
2211
2212 if (ac97_is_audio(ac97)) {
2213 char comp[16];
2214 if (card->mixername[0] == '\0') {
2215 strcpy(card->mixername, name);
2216 } else {
2217 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2218 strcat(card->mixername, ",");
2219 strcat(card->mixername, name);
2220 }
2221 }
2222 sprintf(comp, "AC97a:%08x", ac97->id);
2223 if ((err = snd_component_add(card, comp)) < 0) {
2224 snd_ac97_free(ac97);
2225 return err;
2226 }
2227 if (snd_ac97_mixer_build(ac97) < 0) {
2228 snd_ac97_free(ac97);
2229 return -ENOMEM;
2230 }
2231 }
2232 if (ac97_is_modem(ac97)) {
2233 char comp[16];
2234 if (card->mixername[0] == '\0') {
2235 strcpy(card->mixername, name);
2236 } else {
2237 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2238 strcat(card->mixername, ",");
2239 strcat(card->mixername, name);
2240 }
2241 }
2242 sprintf(comp, "AC97m:%08x", ac97->id);
2243 if ((err = snd_component_add(card, comp)) < 0) {
2244 snd_ac97_free(ac97);
2245 return err;
2246 }
2247 if (snd_ac97_modem_build(card, ac97) < 0) {
2248 snd_ac97_free(ac97);
2249 return -ENOMEM;
2250 }
2251 }
6dbe6628
TI		 2252 if (ac97_is_audio(ac97))
2253 update_power_regs(ac97);
1da177e4
LT		 2254 snd_ac97_proc_init(ac97);
2255 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2256 snd_ac97_free(ac97);
2257 return err;
2258 }
2259 *rac97 = ac97;
1da177e4
LT		 2260 return 0;
2261}
2262
7b09679c 2263EXPORT_SYMBOL(snd_ac97_mixer);
1da177e4
LT		 2264
2265/*
2266 * Power down the chip.
2267 *
2268 * MASTER and HEADPHONE registers are muted but the register cache values
2269 * are not changed, so that the values can be restored in snd_ac97_resume().
2270 */
ee42381e 2271static void snd_ac97_powerdown(struct snd_ac97 *ac97)
1da177e4
LT		 2272{
2273 unsigned short power;
2274
2275 if (ac97_is_audio(ac97)) {
2276 /* some codecs have stereo mute bits */
2277 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2278 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2279 }
2280
6dbe6628
TI		 2281 /* surround, CLFE, mic powerdown */
2282 power = ac97->regs[AC97_EXTENDED_STATUS];
2283 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2284 power |= AC97_EA_PRJ;
2285 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2286 power |= AC97_EA_PRI | AC97_EA_PRK;
2287 power |= AC97_EA_PRL;
2288 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2289
2290 /* powerdown external amplifier */
2291 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2292 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2293 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2294 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2295 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2296 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
1da177e4
LT		 2297 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2298 udelay(100);
6cabf6b0 2299 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */
1da177e4 2300 snd_ac97_write(ac97, AC97_POWERDOWN, power);
f1a63a38 2301 if (ac97_is_power_save_mode(ac97)) {
6cabf6b0
TI		 2302 power |= AC97_PD_PR3; /* Analog Mixer powerdown */
2303 snd_ac97_write(ac97, AC97_POWERDOWN, power);
6dbe6628
TI		 2304 udelay(100);
2305 /* AC-link powerdown, internal Clk disable */
2306 /* FIXME: this may cause click noises on some boards */
2307 power |= AC97_PD_PR4 | AC97_PD_PR5;
2308 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2309 }
1da177e4
LT		 2310}
2311
2312
6dbe6628
TI		 2313struct ac97_power_reg {
2314 unsigned short reg;
2315 unsigned short power_reg;
2316 unsigned short mask;
2317};
2318
2319enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2320
2321static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2322 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2323 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2324 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2325 AC97_EA_PRI | AC97_EA_PRK},
2326 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2327 AC97_EA_PRJ},
2328 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2329 AC97_EA_PRL},
2330};
2331
2332#ifdef CONFIG_SND_AC97_POWER_SAVE
2333/**
2334 * snd_ac97_update_power - update the powerdown register
2335 * @ac97: the codec instance
2336 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2337 * @powerup: non-zero when power up the part
2338 *
2339 * Update the AC97 powerdown register bits of the given part.
2340 */
2341int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2342{
2343 int i;
2344
2345 if (! ac97)
2346 return 0;
2347
2348 if (reg) {
2349 /* SPDIF requires DAC power, too */
2350 if (reg == AC97_SPDIF)
2351 reg = AC97_PCM_FRONT_DAC_RATE;
2352 for (i = 0; i < PWIDX_SIZE; i++) {
2353 if (power_regs[i].reg == reg) {
2354 if (powerup)
2355 ac97->power_up |= (1 << i);
2356 else
2357 ac97->power_up &= ~(1 << i);
2358 break;
2359 }
2360 }
2361 }
2362
f1a63a38 2363 if (ac97_is_power_save_mode(ac97) && !powerup)
6dbe6628
TI		 2364 /* adjust power-down bits after two seconds delay
2365 * (for avoiding loud click noises for many (OSS) apps
2366 * that open/close frequently)
2367 */
45cffef1 2368 schedule_delayed_work(&ac97->power_work,
38f58227 2369 msecs_to_jiffies(power_save * 1000));
f1a63a38
TI		 2370 else {
2371 cancel_delayed_work(&ac97->power_work);
6dbe6628 2372 update_power_regs(ac97);
f1a63a38 2373 }
6dbe6628
TI		 2374
2375 return 0;
2376}
2377
2378EXPORT_SYMBOL(snd_ac97_update_power);
2379#endif /* CONFIG_SND_AC97_POWER_SAVE */
2380
2381static void update_power_regs(struct snd_ac97 *ac97)
2382{
2383 unsigned int power_up, bits;
2384 int i;
2385
f1a63a38
TI		 2386 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2387 power_up |= (1 << PWIDX_MIC);
2388 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2389 power_up |= (1 << PWIDX_SURR);
2390 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2391 power_up |= (1 << PWIDX_CLFE);
6dbe6628 2392#ifdef CONFIG_SND_AC97_POWER_SAVE
f1a63a38 2393 if (ac97_is_power_save_mode(ac97))
6dbe6628 2394 power_up = ac97->power_up;
6dbe6628
TI		 2395#endif
2396 if (power_up) {
2397 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2398 /* needs power-up analog mix and vref */
2399 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2400 AC97_PD_PR3, 0);
2401 msleep(1);
2402 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2403 AC97_PD_PR2, 0);
2404 }
2405 }
2406 for (i = 0; i < PWIDX_SIZE; i++) {
2407 if (power_up & (1 << i))
2408 bits = 0;
2409 else
2410 bits = power_regs[i].mask;
2411 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2412 power_regs[i].mask, bits);
2413 }
2414 if (! power_up) {
2415 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2416 /* power down analog mix and vref */
2417 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2418 AC97_PD_PR2, AC97_PD_PR2);
2419 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2420 AC97_PD_PR3, AC97_PD_PR3);
2421 }
2422 }
2423}
2424
2425
1da177e4
LT		 2426#ifdef CONFIG_PM
2427/**
2428 * snd_ac97_suspend - General suspend function for AC97 codec
2429 * @ac97: the ac97 instance
2430 *
2431 * Suspends the codec, power down the chip.
2432 */
ee42381e 2433void snd_ac97_suspend(struct snd_ac97 *ac97)
1da177e4 2434{
e26e7545
TI		 2435 if (! ac97)
2436 return;
1da177e4
LT		 2437 if (ac97->build_ops->suspend)
2438 ac97->build_ops->suspend(ac97);
3b6baa5a
TI		 2439#ifdef CONFIG_SND_AC97_POWER_SAVE
2440 cancel_delayed_work(&ac97->power_work);
2441 flush_scheduled_work();
2442#endif
1da177e4
LT		 2443 snd_ac97_powerdown(ac97);
2444}
2445
7b09679c
TI		 2446EXPORT_SYMBOL(snd_ac97_suspend);
2447
1da177e4
LT		 2448/*
2449 * restore ac97 status
2450 */
6ddc9d2e 2451static void snd_ac97_restore_status(struct snd_ac97 *ac97)
1da177e4
LT		 2452{
2453 int i;
2454
2455 for (i = 2; i < 0x7c ; i += 2) {
2456 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2457 continue;
2458 /* restore only accessible registers
2459 * some chip (e.g. nm256) may hang up when unsupported registers
2460 * are accessed..!
2461 */
2462 if (test_bit(i, ac97->reg_accessed)) {
2463 snd_ac97_write(ac97, i, ac97->regs[i]);
2464 snd_ac97_read(ac97, i);
2465 }
2466 }
2467}
2468
2469/*
2470 * restore IEC958 status
2471 */
6ddc9d2e 2472static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
1da177e4
LT		 2473{
2474 if (ac97->ext_id & AC97_EI_SPDIF) {
2475 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2476 /* reset spdif status */
2477 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2478 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2479 if (ac97->flags & AC97_CS_SPDIF)
2480 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2481 else
2482 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2483 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2484 }
2485 }
2486}
2487
2488/**
2489 * snd_ac97_resume - General resume function for AC97 codec
2490 * @ac97: the ac97 instance
2491 *
2492 * Do the standard resume procedure, power up and restoring the
2493 * old register values.
2494 */
ee42381e 2495void snd_ac97_resume(struct snd_ac97 *ac97)
1da177e4 2496{
ef21ca24 2497 unsigned long end_time;
1da177e4 2498
e26e7545
TI		 2499 if (! ac97)
2500 return;
2501
1da177e4
LT		 2502 if (ac97->bus->ops->reset) {
2503 ac97->bus->ops->reset(ac97);
2504 goto __reset_ready;
2505 }
2506
2507 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2508 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
d6c3cf81
TI		 2509 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2510 snd_ac97_write(ac97, AC97_RESET, 0);
2511 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2512 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 2513 udelay(100);
2514 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2515 }
2516 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2517
2518 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2519 if (ac97_is_audio(ac97)) {
2520 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
ef21ca24
NA		 2521 end_time = jiffies + msecs_to_jiffies(100);
2522 do {
1da177e4
LT		 2523 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2524 break;
8433a509 2525 schedule_timeout_uninterruptible(1);
ef21ca24 2526 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2527 /* FIXME: extra delay */
2528 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
ef21ca24
NA		 2529 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2530 msleep(250);
1da177e4 2531 } else {
ef21ca24
NA		 2532 end_time = jiffies + msecs_to_jiffies(100);
2533 do {
1da177e4
LT		 2534 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2535 if (val != 0xffff && (val & 1) != 0)
2536 break;
8433a509 2537 schedule_timeout_uninterruptible(1);
ef21ca24 2538 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2539 }
2540__reset_ready:
2541
2542 if (ac97->bus->ops->init)
2543 ac97->bus->ops->init(ac97);
2544
2545 if (ac97->build_ops->resume)
2546 ac97->build_ops->resume(ac97);
2547 else {
2548 snd_ac97_restore_status(ac97);
2549 snd_ac97_restore_iec958(ac97);
2550 }
2551}
7b09679c
TI		 2552
2553EXPORT_SYMBOL(snd_ac97_resume);
1da177e4
LT		 2554#endif
2555
2556
2557/*
2558 * Hardware tuning
2559 */
2560static void set_ctl_name(char *dst, const char *src, const char *suffix)
2561{
2562 if (suffix)
2563 sprintf(dst, "%s %s", src, suffix);
2564 else
2565 strcpy(dst, src);
2566}
2567
2568/* remove the control with the given name and optional suffix */
ac519028
TI		 2569static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
2570 const char *suffix)
1da177e4 2571{
ee42381e 2572 struct snd_ctl_elem_id id;
1da177e4
LT		 2573 memset(&id, 0, sizeof(id));
2574 set_ctl_name(id.name, name, suffix);
2575 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2576 return snd_ctl_remove_id(ac97->bus->card, &id);
2577}
2578
ee42381e 2579static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2580{
ee42381e 2581 struct snd_ctl_elem_id sid;
1da177e4
LT		 2582 memset(&sid, 0, sizeof(sid));
2583 set_ctl_name(sid.name, name, suffix);
2584 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2585 return snd_ctl_find_id(ac97->bus->card, &sid);
2586}
2587
2588/* rename the control with the given name and optional suffix */
ac519028
TI		 2589static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
2590 const char *dst, const char *suffix)
1da177e4 2591{
ee42381e 2592 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
1da177e4
LT		 2593 if (kctl) {
2594 set_ctl_name(kctl->id.name, dst, suffix);
2595 return 0;
2596 }
2597 return -ENOENT;
2598}
2599
2600/* rename both Volume and Switch controls - don't check the return value */
ac519028
TI		 2601static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
2602 const char *dst)
1da177e4
LT		 2603{
2604 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2605 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2606}
2607
2608/* swap controls */
ac519028
TI		 2609static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
2610 const char *s2, const char *suffix)
1da177e4 2611{
ee42381e 2612 struct snd_kcontrol *kctl1, *kctl2;
1da177e4
LT		 2613 kctl1 = ctl_find(ac97, s1, suffix);
2614 kctl2 = ctl_find(ac97, s2, suffix);
2615 if (kctl1 && kctl2) {
2616 set_ctl_name(kctl1->id.name, s2, suffix);
2617 set_ctl_name(kctl2->id.name, s1, suffix);
2618 return 0;
2619 }
2620 return -ENOENT;
2621}
2622
2623#if 1
2624/* bind hp and master controls instead of using only hp control */
ee42381e 2625static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2626{
2627 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2628 if (err > 0) {
2629 unsigned long priv_saved = kcontrol->private_value;
2630 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2631 snd_ac97_put_volsw(kcontrol, ucontrol);
2632 kcontrol->private_value = priv_saved;
2633 }
2634 return err;
2635}
2636
2637/* ac97 tune: bind Master and Headphone controls */
ee42381e 2638static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4 2639{
ee42381e
TI		 2640 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2641 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
1da177e4
LT		 2642 if (! msw || ! mvol)
2643 return -ENOENT;
2644 msw->put = bind_hp_volsw_put;
2645 mvol->put = bind_hp_volsw_put;
2646 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2647 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2648 return 0;
2649}
2650
2651#else
2652/* ac97 tune: use Headphone control as master */
ee42381e 2653static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4
LT		 2654{
2655 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2656 return -ENOENT;
2657 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2658 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2659 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2660 return 0;
2661}
2662#endif
2663
2664/* ac97 tune: swap Headphone and Master controls */
ee42381e 2665static int tune_swap_hp(struct snd_ac97 *ac97)
1da177e4
LT		 2666{
2667 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2668 return -ENOENT;
2669 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2670 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2671 return 0;
2672}
2673
2674/* ac97 tune: swap Surround and Master controls */
ee42381e 2675static int tune_swap_surround(struct snd_ac97 *ac97)
1da177e4
LT		 2676{
2677 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2678 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2679 return -ENOENT;
2680 return 0;
2681}
2682
2683/* ac97 tune: set up mic sharing for AD codecs */
ee42381e 2684static int tune_ad_sharing(struct snd_ac97 *ac97)
1da177e4
LT		 2685{
2686 unsigned short scfg;
2687 if ((ac97->id & 0xffffff00) != 0x41445300) {
2688 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2689 return -EINVAL;
2690 }
2691 /* Turn on OMS bit to route microphone to back panel */
2692 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2693 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2694 return 0;
2695}
2696
ee42381e 2697static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
1da177e4
LT		 2698AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2699
2700/* ac97 tune: set up ALC jack-select */
ee42381e 2701static int tune_alc_jack(struct snd_ac97 *ac97)
1da177e4
LT		 2702{
2703 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2704 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2705 return -EINVAL;
2706 }
2707 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2708 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
031c95d4
TI		 2709 if (ac97->id == AC97_ID_ALC658D)
2710 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
1da177e4
LT		 2711 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2712}
2713
2714/* ac97 tune: inversed EAPD bit */
ee42381e 2715static int tune_inv_eapd(struct snd_ac97 *ac97)
1da177e4 2716{
ee42381e 2717 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
1da177e4
LT		 2718 if (! kctl)
2719 return -ENOENT;
2720 set_inv_eapd(ac97, kctl);
2721 return 0;
2722}
2723
ee42381e 2724static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2725{
2726 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2727 if (err > 0) {
ee42381e 2728 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 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
2743/* ac97 tune: EAPD controls mute LED bound with the master mute */
ee42381e 2744static int tune_mute_led(struct snd_ac97 *ac97)
1da177e4 2745{
ee42381e 2746 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
1da177e4
LT		 2747 if (! msw)
2748 return -ENOENT;
2749 msw->put = master_mute_sw_put;
2750 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2751 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
6dbe6628 2752 ac97->scaps |= AC97_SCAP_EAPD_LED;
1da177e4
LT		 2753 return 0;
2754}
2755
a0faefed
MG		 2756static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2757 struct snd_ctl_elem_value *ucontrol)
2758{
2759 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2760 if (err > 0) {
2761 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2762 int shift = (kcontrol->private_value >> 8) & 0x0f;
2763 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2764 unsigned short mask;
2765 if (shift != rshift)
2766 mask = 0x8080;
2767 else
2768 mask = 0x8000;
2769 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2770 (ac97->regs[AC97_MASTER] & mask) == mask ?
2771 0x8000 : 0);
2772 }
2773 return err;
2774}
2775
2776static int tune_hp_mute_led(struct snd_ac97 *ac97)
2777{
2778 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2779 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2780 if (! msw || ! mvol)
2781 return -ENOENT;
2782 msw->put = hp_master_mute_sw_put;
2783 mvol->put = bind_hp_volsw_put;
2784 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2785 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2786 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2787 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2788 return 0;
2789}
2790
1da177e4
LT		 2791struct quirk_table {
2792 const char *name;
ee42381e 2793 int (*func)(struct snd_ac97 *);
1da177e4
LT		 2794};
2795
2796static struct quirk_table applicable_quirks[] = {
2797 { "none", NULL },
2798 { "hp_only", tune_hp_only },
2799 { "swap_hp", tune_swap_hp },
2800 { "swap_surround", tune_swap_surround },
2801 { "ad_sharing", tune_ad_sharing },
2802 { "alc_jack", tune_alc_jack },
2803 { "inv_eapd", tune_inv_eapd },
2804 { "mute_led", tune_mute_led },
a0faefed 2805 { "hp_mute_led", tune_hp_mute_led },
1da177e4
LT		 2806};
2807
2808/* apply the quirk with the given type */
ee42381e 2809static int apply_quirk(struct snd_ac97 *ac97, int type)
1da177e4
LT		 2810{
2811 if (type <= 0)
2812 return 0;
2813 else if (type >= ARRAY_SIZE(applicable_quirks))
2814 return -EINVAL;
2815 if (applicable_quirks[type].func)
2816 return applicable_quirks[type].func(ac97);
2817 return 0;
2818}
2819
2820/* apply the quirk with the given name */
ee42381e 2821static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
1da177e4
LT		 2822{
2823 int i;
2824 struct quirk_table *q;
2825
2826 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2827 q = &applicable_quirks[i];
2828 if (q->name && ! strcmp(typestr, q->name))
2829 return apply_quirk(ac97, i);
2830 }
2831 /* for compatibility, accept the numbers, too */
2832 if (*typestr >= '0' && *typestr <= '9')
2833 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2834 return -EINVAL;
2835}
2836
2837/**
2838 * snd_ac97_tune_hardware - tune up the hardware
2839 * @ac97: the ac97 instance
2840 * @quirk: quirk list
2841 * @override: explicit quirk value (overrides the list if non-NULL)
2842 *
2843 * Do some workaround for each pci device, such as renaming of the
2844 * headphone (true line-out) control as "Master".
2845 * The quirk-list must be terminated with a zero-filled entry.
2846 *
2847 * Returns zero if successful, or a negative error code on failure.
2848 */
2849
ee42381e 2850int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
1da177e4
LT		 2851{
2852 int result;
2853
1da177e4
LT		 2854 /* quirk overriden? */
2855 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2856 result = apply_quirk_str(ac97, override);
2857 if (result < 0)
2858 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2859 return result;
2860 }
2861
4b499486
PP		 2862 if (! quirk)
2863 return -EINVAL;
2864
69ad07cf
JK		 2865 for (; quirk->subvendor; quirk++) {
2866 if (quirk->subvendor != ac97->subsystem_vendor)
1da177e4 2867 continue;
69ad07cf
JK		 2868 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2869 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
1da177e4
LT		 2870 if (quirk->codec_id && quirk->codec_id != ac97->id)
2871 continue;
2872 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2873 result = apply_quirk(ac97, quirk->type);
2874 if (result < 0)
2875 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2876 return result;
2877 }
2878 }
2879 return 0;
2880}
2881
1da177e4 2882EXPORT_SYMBOL(snd_ac97_tune_hardware);
1da177e4
LT		 2883
2884/*
2885 * INIT part
2886 */
2887
2888static int __init alsa_ac97_init(void)
2889{
2890 return 0;
2891}
2892
2893static void __exit alsa_ac97_exit(void)
2894{
2895}
2896
2897module_init(alsa_ac97_init)
2898module_exit(alsa_ac97_exit)
kernel source for telekom puls (alcatel/mediatek)