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[ALSA] Remove delayed work properly at free and suspend
[deliverable/linux.git] / sound / pci / ac97 / ac97_codec.c
CommitLineData
1da177e4
LT		 1/*
2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * Universal interface for Audio Codec '97
4 *
5 * For more details look to AC '97 component specification revision 2.2
6 * by Intel Corporation (http://developer.intel.com).
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25#include <sound/driver.h>
26#include <linux/delay.h>
27#include <linux/init.h>
28#include <linux/slab.h>
29#include <linux/pci.h>
30#include <linux/moduleparam.h>
62932df8 31#include <linux/mutex.h>
1da177e4
LT		 32#include <sound/core.h>
33#include <sound/pcm.h>
2f3482fb 34#include <sound/tlv.h>
1da177e4
LT		 35#include <sound/ac97_codec.h>
36#include <sound/asoundef.h>
37#include <sound/initval.h>
38#include "ac97_local.h"
39#include "ac97_id.h"
40#include "ac97_patch.h"
41
42MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
43MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
44MODULE_LICENSE("GPL");
45
46static int enable_loopback;
47
48module_param(enable_loopback, bool, 0444);
49MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
50
6dbe6628
TI		 51#ifdef CONFIG_SND_AC97_POWER_SAVE
52static int power_save;
53module_param(power_save, bool, 0644);
54MODULE_PARM_DESC(power_save, "Enable AC97 power-saving control");
55#endif
1da177e4
LT		 56/*
57
58 */
59
ee42381e 60struct ac97_codec_id {
1da177e4
LT		 61 unsigned int id;
62 unsigned int mask;
63 const char *name;
ee42381e
TI		 64 int (*patch)(struct snd_ac97 *ac97);
65 int (*mpatch)(struct snd_ac97 *ac97);
1da177e4 66 unsigned int flags;
ee42381e 67};
1da177e4 68
ee42381e 69static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
1da177e4
LT		 70{ 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
71{ 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
72{ 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
73{ 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
74{ 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
75{ 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
76{ 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
77{ 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
78{ 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
79{ 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
80{ 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
81{ 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
82{ 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
83{ 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
84{ 0x50534300, 0xffffff00, "Philips", NULL, NULL },
85{ 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
86{ 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
87{ 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
88{ 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
89{ 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
90{ 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
91{ 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
92{ 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
93{ 0, 0, NULL, NULL, NULL }
94};
95
ee42381e 96static const struct ac97_codec_id snd_ac97_codec_ids[] = {
1da177e4
LT		 97{ 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
98{ 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
99{ 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
100{ 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
101{ 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
102{ 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
103{ 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
104{ 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
105{ 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
106{ 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
107{ 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
108{ 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
109{ 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
110{ 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
111{ 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
112{ 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
113{ 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
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
146{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
9398441e 147{ 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
1da177e4
LT		 148{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
149{ 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
150{ 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
151{ 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
152{ 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
153{ 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
154{ 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
155{ 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
156{ 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
157{ 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
158{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
ba22429d 159{ 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
82466ad7 160{ 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
87d61c29 161{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
1da177e4
LT		 162{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
163{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
164{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
165{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
166{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
167{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
4b499486 168{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
73864fc6 169{ 0x56494182, 0xffffffff, "VIA1618", NULL, NULL },
1da177e4
LT		 170{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
171{ 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
172{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
173{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
174{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
175{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
176{ 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
177{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
178{ 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
179{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
180{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
181{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
182{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
183{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
184{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
185{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
186{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
187{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
188{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
189{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
190{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
191{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
192{ 0, 0, NULL, NULL, NULL }
193};
194
1da177e4 195
6dbe6628 196static void update_power_regs(struct snd_ac97 *ac97);
f1a63a38
TI		 197#ifdef CONFIG_SND_AC97_POWER_SAVE
198#define ac97_is_power_save_mode(ac97) \
199 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
200#else
201#define ac97_is_power_save_mode(ac97) 0
202#endif
203
6dbe6628 204
1da177e4
LT		 205/*
206 * I/O routines
207 */
208
ee42381e 209static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
1da177e4 210{
1da177e4
LT		 211 /* filter some registers for buggy codecs */
212 switch (ac97->id) {
213 case AC97_ID_AK4540:
214 case AC97_ID_AK4542:
215 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
216 return 1;
217 return 0;
218 case AC97_ID_AD1819: /* AD1819 */
219 case AC97_ID_AD1881: /* AD1881 */
220 case AC97_ID_AD1881A: /* AD1881A */
221 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
222 return 0;
223 return 1;
224 case AC97_ID_AD1885: /* AD1885 */
225 case AC97_ID_AD1886: /* AD1886 */
226 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
227 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
228 if (reg == 0x5a)
229 return 1;
230 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
231 return 0;
232 return 1;
233 case AC97_ID_STAC9700:
234 case AC97_ID_STAC9704:
235 case AC97_ID_STAC9705:
236 case AC97_ID_STAC9708:
237 case AC97_ID_STAC9721:
238 case AC97_ID_STAC9744:
239 case AC97_ID_STAC9756:
240 if (reg <= 0x3a || reg >= 0x5a)
241 return 1;
242 return 0;
243 }
244 return 1;
245}
246
247/**
248 * snd_ac97_write - write a value on the given register
249 * @ac97: the ac97 instance
250 * @reg: the register to change
251 * @value: the value to set
252 *
253 * Writes a value on the given register. This will invoke the write
254 * callback directly after the register check.
255 * This function doesn't change the register cache unlike
256 * #snd_ca97_write_cache(), so use this only when you don't want to
257 * reflect the change to the suspend/resume state.
258 */
ee42381e 259void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 260{
261 if (!snd_ac97_valid_reg(ac97, reg))
262 return;
263 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
264 /* Fix H/W bug of ALC100/100P */
265 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
266 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
267 }
268 ac97->bus->ops->write(ac97, reg, value);
269}
270
7b09679c
TI		 271EXPORT_SYMBOL(snd_ac97_write);
272
1da177e4
LT		 273/**
274 * snd_ac97_read - read a value from the given register
275 *
276 * @ac97: the ac97 instance
277 * @reg: the register to read
278 *
279 * Reads a value from the given register. This will invoke the read
280 * callback directly after the register check.
281 *
282 * Returns the read value.
283 */
ee42381e 284unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 285{
286 if (!snd_ac97_valid_reg(ac97, reg))
287 return 0;
288 return ac97->bus->ops->read(ac97, reg);
289}
290
291/* read a register - return the cached value if already read */
ee42381e 292static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 293{
294 if (! test_bit(reg, ac97->reg_accessed)) {
295 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
296 // set_bit(reg, ac97->reg_accessed);
297 }
298 return ac97->regs[reg];
299}
300
7b09679c
TI		 301EXPORT_SYMBOL(snd_ac97_read);
302
1da177e4
LT		 303/**
304 * snd_ac97_write_cache - write a value on the given register and update the cache
305 * @ac97: the ac97 instance
306 * @reg: the register to change
307 * @value: the value to set
308 *
309 * Writes a value on the given register and updates the register
310 * cache. The cached values are used for the cached-read and the
311 * suspend/resume.
312 */
ee42381e 313void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 314{
315 if (!snd_ac97_valid_reg(ac97, reg))
316 return;
62932df8 317 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 318 ac97->regs[reg] = value;
319 ac97->bus->ops->write(ac97, reg, value);
320 set_bit(reg, ac97->reg_accessed);
62932df8 321 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 322}
323
7b09679c
TI		 324EXPORT_SYMBOL(snd_ac97_write_cache);
325
1da177e4
LT		 326/**
327 * snd_ac97_update - update the value on the given register
328 * @ac97: the ac97 instance
329 * @reg: the register to change
330 * @value: the value to set
331 *
332 * Compares the value with the register cache and updates the value
333 * only when the value is changed.
334 *
335 * Returns 1 if the value is changed, 0 if no change, or a negative
336 * code on failure.
337 */
ee42381e 338int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 339{
340 int change;
341
342 if (!snd_ac97_valid_reg(ac97, reg))
343 return -EINVAL;
62932df8 344 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 345 change = ac97->regs[reg] != value;
346 if (change) {
347 ac97->regs[reg] = value;
348 ac97->bus->ops->write(ac97, reg, value);
349 }
52b72388 350 set_bit(reg, ac97->reg_accessed);
62932df8 351 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 352 return change;
353}
354
7b09679c
TI		 355EXPORT_SYMBOL(snd_ac97_update);
356
1da177e4
LT		 357/**
358 * snd_ac97_update_bits - update the bits on the given register
359 * @ac97: the ac97 instance
360 * @reg: the register to change
361 * @mask: the bit-mask to change
362 * @value: the value to set
363 *
364 * Updates the masked-bits on the given register only when the value
365 * is changed.
366 *
367 * Returns 1 if the bits are changed, 0 if no change, or a negative
368 * code on failure.
369 */
ee42381e 370int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
1da177e4
LT		 371{
372 int change;
373
374 if (!snd_ac97_valid_reg(ac97, reg))
375 return -EINVAL;
62932df8 376 mutex_lock(&ac97->reg_mutex);
1da177e4 377 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
62932df8 378 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 379 return change;
380}
381
7b09679c
TI		 382EXPORT_SYMBOL(snd_ac97_update_bits);
383
1da177e4 384/* no lock version - see snd_ac97_updat_bits() */
ee42381e 385int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
1da177e4
LT		 386 unsigned short mask, unsigned short value)
387{
388 int change;
389 unsigned short old, new;
390
391 old = snd_ac97_read_cache(ac97, reg);
e8bb036a 392 new = (old & ~mask) | (value & mask);
1da177e4
LT		 393 change = old != new;
394 if (change) {
395 ac97->regs[reg] = new;
396 ac97->bus->ops->write(ac97, reg, new);
397 }
52b72388 398 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 399 return change;
400}
401
ee42381e 402static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
1da177e4
LT		 403{
404 int change;
405 unsigned short old, new, cfg;
406
62932df8 407 mutex_lock(&ac97->page_mutex);
1da177e4 408 old = ac97->spec.ad18xx.pcmreg[codec];
e8bb036a 409 new = (old & ~mask) | (value & mask);
1da177e4
LT		 410 change = old != new;
411 if (change) {
62932df8 412 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 413 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
414 ac97->spec.ad18xx.pcmreg[codec] = new;
415 /* select single codec */
416 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
417 (cfg & ~0x7000) |
418 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
419 /* update PCM bits */
420 ac97->bus->ops->write(ac97, AC97_PCM, new);
421 /* select all codecs */
422 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
423 cfg | 0x7000);
62932df8 424 mutex_unlock(&ac97->reg_mutex);
1da177e4 425 }
62932df8 426 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 427 return change;
428}
429
430/*
431 * Controls
432 */
433
ee42381e 434int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 435{
436 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
437
438 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
439 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
440 uinfo->value.enumerated.items = e->mask;
441
442 if (uinfo->value.enumerated.item > e->mask - 1)
443 uinfo->value.enumerated.item = e->mask - 1;
444 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
445 return 0;
446}
447
ee42381e 448int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 449{
ee42381e 450 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 451 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 452 unsigned short val, bitmask;
1da177e4 453
b16760bb 454 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 455 ;
1da177e4 456 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 457 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 458 if (e->shift_l != e->shift_r)
5f0dccf8 459 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 460
461 return 0;
462}
463
ee42381e 464int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 465{
ee42381e 466 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 467 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
468 unsigned short val;
5f0dccf8 469 unsigned short mask, bitmask;
1da177e4 470
b16760bb 471 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 472 ;
1da177e4
LT		 473 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
474 return -EINVAL;
475 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 476 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 477 if (e->shift_l != e->shift_r) {
478 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
479 return -EINVAL;
480 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 481 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 482 }
483 return snd_ac97_update_bits(ac97, e->reg, mask, val);
484}
485
486/* save/restore ac97 v2.3 paging */
ee42381e 487static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
1da177e4
LT		 488{
489 int page_save = -1;
490 if ((kcontrol->private_value & (1<<25)) &&
491 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
492 (reg >= 0x60 && reg < 0x70)) {
493 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
62932df8 494 mutex_lock(&ac97->page_mutex); /* lock paging */
1da177e4
LT		 495 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
496 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
497 }
498 return page_save;
499}
500
ee42381e 501static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
1da177e4
LT		 502{
503 if (page_save >= 0) {
504 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
62932df8 505 mutex_unlock(&ac97->page_mutex); /* unlock paging */
1da177e4
LT		 506 }
507}
508
509/* volume and switch controls */
ee42381e 510int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 511{
512 int mask = (kcontrol->private_value >> 16) & 0xff;
513 int shift = (kcontrol->private_value >> 8) & 0x0f;
514 int rshift = (kcontrol->private_value >> 12) & 0x0f;
515
516 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
517 uinfo->count = shift == rshift ? 1 : 2;
518 uinfo->value.integer.min = 0;
519 uinfo->value.integer.max = mask;
520 return 0;
521}
522
ee42381e 523int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 524{
ee42381e 525 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 526 int reg = kcontrol->private_value & 0xff;
527 int shift = (kcontrol->private_value >> 8) & 0x0f;
528 int rshift = (kcontrol->private_value >> 12) & 0x0f;
529 int mask = (kcontrol->private_value >> 16) & 0xff;
530 int invert = (kcontrol->private_value >> 24) & 0x01;
531 int page_save;
532
533 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
534 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
535 if (shift != rshift)
536 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
537 if (invert) {
538 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
539 if (shift != rshift)
540 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
541 }
542 snd_ac97_page_restore(ac97, page_save);
543 return 0;
544}
545
ee42381e 546int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 547{
ee42381e 548 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 549 int reg = kcontrol->private_value & 0xff;
550 int shift = (kcontrol->private_value >> 8) & 0x0f;
551 int rshift = (kcontrol->private_value >> 12) & 0x0f;
552 int mask = (kcontrol->private_value >> 16) & 0xff;
553 int invert = (kcontrol->private_value >> 24) & 0x01;
554 int err, page_save;
555 unsigned short val, val2, val_mask;
556
557 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
558 val = (ucontrol->value.integer.value[0] & mask);
559 if (invert)
560 val = mask - val;
561 val_mask = mask << shift;
562 val = val << shift;
563 if (shift != rshift) {
564 val2 = (ucontrol->value.integer.value[1] & mask);
565 if (invert)
566 val2 = mask - val2;
567 val_mask |= mask << rshift;
568 val |= val2 << rshift;
569 }
570 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
571 snd_ac97_page_restore(ac97, page_save);
6dbe6628
TI		 572#ifdef CONFIG_SND_AC97_POWER_SAVE
573 /* check analog mixer power-down */
574 if ((val_mask & 0x8000) &&
575 (kcontrol->private_value & (1<<30))) {
576 if (val & 0x8000)
577 ac97->power_up &= ~(1 << (reg>>1));
578 else
579 ac97->power_up |= 1 << (reg>>1);
da43deb1 580 update_power_regs(ac97);
6dbe6628
TI		 581 }
582#endif
1da177e4
LT		 583 return err;
584}
585
ee42381e 586static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
1da177e4
LT		 587AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
588AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
589};
590
ee42381e 591static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
1da177e4
LT		 592AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
593AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
594};
595
ee42381e 596static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
1da177e4
LT		 597AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
598AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
599};
600
ee42381e 601static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
7931e2a9 602 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
1da177e4
LT		 603
604
605static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
606static const char* std_3d_path[] = {"pre 3D", "post 3D"};
607static const char* std_mix[] = {"Mix", "Mic"};
608static const char* std_mic[] = {"Mic1", "Mic2"};
609
610static const struct ac97_enum std_enum[] = {
611AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
612AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
613AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
614AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
615};
616
ee42381e 617static const struct snd_kcontrol_new snd_ac97_control_capture_src =
1da177e4
LT		 618AC97_ENUM("Capture Source", std_enum[0]);
619
ee42381e 620static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
1da177e4
LT		 621AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
622
ee42381e 623static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
1da177e4
LT		 624AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
625AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
626};
627
ee42381e 628enum {
1da177e4
LT		 629 AC97_GENERAL_PCM_OUT = 0,
630 AC97_GENERAL_STEREO_ENHANCEMENT,
631 AC97_GENERAL_3D,
632 AC97_GENERAL_LOUDNESS,
633 AC97_GENERAL_MONO,
634 AC97_GENERAL_MIC,
635 AC97_GENERAL_LOOPBACK
ee42381e 636};
1da177e4 637
ee42381e 638static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
1da177e4
LT		 639AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
640AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
641AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
642AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
643AC97_ENUM("Mono Output Select", std_enum[2]),
7931e2a9 644AC97_ENUM("Mic Select", std_enum[3]),
1da177e4
LT		 645AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
646};
647
ee42381e 648const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
1da177e4
LT		 649AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
650AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
651};
652
ee42381e 653static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
1da177e4
LT		 654AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
655AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
656};
657
ee42381e 658static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
1da177e4
LT		 659AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
660AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
661};
662
ee42381e 663static const struct snd_kcontrol_new snd_ac97_control_eapd =
1da177e4
LT		 664AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
665
ee42381e 666static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
87d61c29
SK		 667AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
668AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
669};
670
1da177e4 671/* change the existing EAPD control as inverted */
ee42381e 672static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
1da177e4
LT		 673{
674 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
675 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
676 ac97->scaps |= AC97_SCAP_INV_EAPD;
677}
678
ee42381e 679static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 680{
681 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
682 uinfo->count = 1;
683 return 0;
684}
685
ee42381e 686static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 687{
688 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
689 IEC958_AES0_NONAUDIO |
690 IEC958_AES0_CON_EMPHASIS_5015 |
691 IEC958_AES0_CON_NOT_COPYRIGHT;
692 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
693 IEC958_AES1_CON_ORIGINAL;
694 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
695 return 0;
696}
697
ee42381e 698static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 699{
700 /* FIXME: AC'97 spec doesn't say which bits are used for what */
701 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
702 IEC958_AES0_NONAUDIO |
703 IEC958_AES0_PRO_FS |
704 IEC958_AES0_PRO_EMPHASIS_5015;
705 return 0;
706}
707
ee42381e 708static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 709{
ee42381e 710 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 711
62932df8 712 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 713 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
714 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
715 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
716 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
62932df8 717 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 718 return 0;
719}
720
ee42381e 721static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 722{
ee42381e 723 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 724 unsigned int new = 0;
725 unsigned short val = 0;
726 int change;
727
728 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
729 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
730 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
731 switch (new & IEC958_AES0_PRO_FS) {
732 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
733 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
734 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
735 default: val |= 1<<12; break;
736 }
737 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
738 val |= 1<<3;
739 } else {
740 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
741 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
742 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
743 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
744 val |= 1<<3;
745 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
746 val |= 1<<2;
747 val |= ((new >> 8) & 0xff) << 4; // category + original
748 switch ((new >> 24) & 0xff) {
749 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
750 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
751 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
752 default: val |= 1<<12; break;
753 }
754 }
755
62932df8 756 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 757 change = ac97->spdif_status != new;
758 ac97->spdif_status = new;
759
760 if (ac97->flags & AC97_CS_SPDIF) {
761 int x = (val >> 12) & 0x03;
762 switch (x) {
763 case 0: x = 1; break; // 44.1
764 case 2: x = 0; break; // 48.0
765 default: x = 0; break; // illegal.
766 }
767 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
768 } else if (ac97->flags & AC97_CX_SPDIF) {
769 int v;
770 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
771 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
772 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
773 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
774 v);
775 } else {
776 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
777 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
778
779 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
780 if (extst & AC97_EA_SPDIF) {
781 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
782 }
783 }
62932df8 784 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 785
786 return change;
787}
788
ee42381e 789static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 790{
ee42381e 791 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 792 int reg = kcontrol->private_value & 0xff;
793 int shift = (kcontrol->private_value >> 8) & 0xff;
794 int mask = (kcontrol->private_value >> 16) & 0xff;
795 // int invert = (kcontrol->private_value >> 24) & 0xff;
796 unsigned short value, old, new;
797 int change;
798
799 value = (ucontrol->value.integer.value[0] & mask);
800
62932df8 801 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 802 mask <<= shift;
803 value <<= shift;
804 old = snd_ac97_read_cache(ac97, reg);
805 new = (old & ~mask) | value;
806 change = old != new;
807
808 if (change) {
809 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
810 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
811 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
812 if (extst & AC97_EA_SPDIF)
813 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
814 }
62932df8 815 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 816 return change;
817}
818
ee42381e 819const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
1da177e4
LT		 820 {
821 .access = SNDRV_CTL_ELEM_ACCESS_READ,
822 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
823 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
824 .info = snd_ac97_spdif_mask_info,
825 .get = snd_ac97_spdif_cmask_get,
826 },
827 {
828 .access = SNDRV_CTL_ELEM_ACCESS_READ,
829 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
830 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
831 .info = snd_ac97_spdif_mask_info,
832 .get = snd_ac97_spdif_pmask_get,
833 },
834 {
835 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
836 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
837 .info = snd_ac97_spdif_mask_info,
838 .get = snd_ac97_spdif_default_get,
839 .put = snd_ac97_spdif_default_put,
840 },
841
842 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
843 {
844 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
845 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
846 .info = snd_ac97_info_volsw,
847 .get = snd_ac97_get_volsw,
848 .put = snd_ac97_put_spsa,
849 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
850 },
851};
852
853#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
854{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
855 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
856 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
857
ee42381e 858static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4 859{
ee42381e 860 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 861 int mask = (kcontrol->private_value >> 16) & 0x0f;
862 int lshift = (kcontrol->private_value >> 8) & 0x0f;
863 int rshift = (kcontrol->private_value >> 12) & 0x0f;
864
865 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
866 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
867 uinfo->count = 2;
868 else
869 uinfo->count = 1;
870 uinfo->value.integer.min = 0;
871 uinfo->value.integer.max = mask;
872 return 0;
873}
874
ee42381e 875static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 876{
ee42381e 877 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 878 int codec = kcontrol->private_value & 3;
879 int lshift = (kcontrol->private_value >> 8) & 0x0f;
880 int rshift = (kcontrol->private_value >> 12) & 0x0f;
881 int mask = (kcontrol->private_value >> 16) & 0xff;
882
883 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
884 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
885 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
886 return 0;
887}
888
ee42381e 889static int snd_ac97_ad18xx_pcm_put_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 unsigned short val, valmask;
897
898 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
899 valmask = mask << lshift;
900 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
901 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
902 valmask |= mask << rshift;
903 }
904 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
905}
906
907#define AD18XX_PCM_VOLUME(xname, codec) \
908{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
909 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
910 .private_value = codec }
911
ee42381e 912static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 913{
914 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
915 uinfo->count = 2;
916 uinfo->value.integer.min = 0;
917 uinfo->value.integer.max = 31;
918 return 0;
919}
920
ee42381e 921static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 922{
ee42381e 923 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 924 int codec = kcontrol->private_value & 3;
925
62932df8 926 mutex_lock(&ac97->page_mutex);
1da177e4
LT		 927 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
928 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
62932df8 929 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 930 return 0;
931}
932
ee42381e 933static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 934{
ee42381e 935 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 936 int codec = kcontrol->private_value & 3;
937 unsigned short val1, val2;
938
939 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
940 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
941 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
942}
943
ee42381e 944static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
1da177e4
LT		 945AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
946AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
947};
948
ee42381e 949static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
1da177e4
LT		 950AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
951AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
952};
953
ee42381e 954static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
1da177e4
LT		 955AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
956AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
957};
958
ee42381e 959static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
1da177e4
LT		 960AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
961AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
962};
963
964/*
965 *
966 */
967
ee42381e 968static void snd_ac97_powerdown(struct snd_ac97 *ac97);
1da177e4 969
ee42381e 970static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
1da177e4
LT		 971{
972 if (bus) {
973 snd_ac97_bus_proc_done(bus);
974 kfree(bus->pcms);
975 if (bus->private_free)
976 bus->private_free(bus);
977 kfree(bus);
978 }
979 return 0;
980}
981
ee42381e 982static int snd_ac97_bus_dev_free(struct snd_device *device)
1da177e4 983{
ee42381e 984 struct snd_ac97_bus *bus = device->device_data;
1da177e4
LT		 985 return snd_ac97_bus_free(bus);
986}
987
ee42381e 988static int snd_ac97_free(struct snd_ac97 *ac97)
1da177e4
LT		 989{
990 if (ac97) {
6dbe6628 991#ifdef CONFIG_SND_AC97_POWER_SAVE
f1a63a38 992 cancel_delayed_work(&ac97->power_work);
3b6baa5a 993 flush_scheduled_work();
6dbe6628 994#endif
1da177e4 995 snd_ac97_proc_done(ac97);
2ba71978 996 if (ac97->bus)
1da177e4 997 ac97->bus->codec[ac97->num] = NULL;
1da177e4
LT		 998 if (ac97->private_free)
999 ac97->private_free(ac97);
1000 kfree(ac97);
1001 }
1002 return 0;
1003}
1004
ee42381e 1005static int snd_ac97_dev_free(struct snd_device *device)
1da177e4 1006{
ee42381e 1007 struct snd_ac97 *ac97 = device->device_data;
1da177e4
LT		 1008 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1009 return snd_ac97_free(ac97);
1010}
1011
ee42381e 1012static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1da177e4
LT		 1013{
1014 unsigned short val, mask = 0x8000;
1015
1016 if (! snd_ac97_valid_reg(ac97, reg))
1017 return 0;
1018
1019 switch (reg) {
1020 case AC97_MASTER_TONE:
1021 return ac97->caps & 0x04 ? 1 : 0;
1022 case AC97_HEADPHONE:
1023 return ac97->caps & 0x10 ? 1 : 0;
1024 case AC97_REC_GAIN_MIC:
1025 return ac97->caps & 0x01 ? 1 : 0;
1026 case AC97_3D_CONTROL:
1027 if (ac97->caps & 0x7c00) {
1028 val = snd_ac97_read(ac97, reg);
1029 /* if nonzero - fixed and we can't set it */
1030 return val == 0;
1031 }
1032 return 0;
1033 case AC97_CENTER_LFE_MASTER: /* center */
1034 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1035 return 0;
1036 break;
1037 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1038 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1039 return 0;
1040 reg = AC97_CENTER_LFE_MASTER;
1041 mask = 0x0080;
1042 break;
1043 case AC97_SURROUND_MASTER:
1044 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1045 return 0;
1046 break;
1047 }
1048
1da177e4
LT		 1049 val = snd_ac97_read(ac97, reg);
1050 if (!(val & mask)) {
1051 /* nothing seems to be here - mute flag is not set */
1052 /* try another test */
1053 snd_ac97_write_cache(ac97, reg, val | mask);
1054 val = snd_ac97_read(ac97, reg);
ee42381e 1055 val = snd_ac97_read(ac97, reg);
1da177e4
LT		 1056 if (!(val & mask))
1057 return 0; /* nothing here */
1058 }
1059 return 1; /* success, useable */
1060}
1061
ee42381e 1062static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1da177e4
LT		 1063{
1064 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1065 unsigned char max[3] = { 63, 31, 15 };
1066 int i;
1067
50dabc2d
TI		 1068 /* first look up the static resolution table */
1069 if (ac97->res_table) {
1070 const struct snd_ac97_res_table *tbl;
1071 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1072 if (tbl->reg == reg) {
1073 *lo_max = tbl->bits & 0xff;
1074 *hi_max = (tbl->bits >> 8) & 0xff;
1075 return;
1076 }
1077 }
1078 }
1079
1da177e4
LT		 1080 *lo_max = *hi_max = 0;
1081 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1082 unsigned short val;
1083 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
c9eab129
JCD		 1084 /* Do the read twice due to buffers on some ac97 codecs.
1085 * e.g. The STAC9704 returns exactly what you wrote the the register
1086 * if you read it immediately. This causes the detect routine to fail.
1087 */
1088 val = snd_ac97_read(ac97, reg);
1da177e4 1089 val = snd_ac97_read(ac97, reg);
a2142674 1090 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1091 *lo_max = max[i];
a2142674 1092 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1093 *hi_max = max[i];
1094 if (*lo_max && *hi_max)
1095 break;
1096 }
1097}
1098
ee42381e 1099int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1da177e4
LT		 1100{
1101 unsigned short mask, val, orig, res;
1102
1103 mask = 1 << bit;
1104 orig = snd_ac97_read(ac97, reg);
1105 val = orig ^ mask;
1106 snd_ac97_write(ac97, reg, val);
1107 res = snd_ac97_read(ac97, reg);
1108 snd_ac97_write_cache(ac97, reg, orig);
1109 return res == val;
1110}
1111
1112/* check the volume resolution of center/lfe */
ee42381e 1113static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1da177e4
LT		 1114{
1115 unsigned short val, val1;
1116
1117 *max = 63;
1118 val = 0x8080 | (0x20 << shift);
1119 snd_ac97_write(ac97, reg, val);
1120 val1 = snd_ac97_read(ac97, reg);
1121 if (val != val1) {
1122 *max = 31;
1123 }
1124 /* reset volume to zero */
1125 snd_ac97_write_cache(ac97, reg, 0x8080);
1126}
1127
1128static inline int printable(unsigned int x)
1129{
1130 x &= 0xff;
1131 if (x < ' ' || x >= 0x71) {
1132 if (x <= 0x89)
1133 return x - 0x71 + 'A';
1134 return '?';
1135 }
1136 return x;
1137}
1138
ee42381e 1139struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1da177e4 1140{
ee42381e 1141 struct snd_kcontrol_new template;
1da177e4 1142 memcpy(&template, _template, sizeof(template));
1da177e4
LT		 1143 template.index = ac97->num;
1144 return snd_ctl_new1(&template, ac97);
1145}
1146
1147/*
1148 * create mute switch(es) for normal stereo controls
1149 */
6dbe6628
TI		 1150static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1151 int check_stereo, int check_amix,
1152 struct snd_ac97 *ac97)
1da177e4 1153{
ee42381e 1154 struct snd_kcontrol *kctl;
1da177e4
LT		 1155 int err;
1156 unsigned short val, val1, mute_mask;
1157
1158 if (! snd_ac97_valid_reg(ac97, reg))
1159 return 0;
1160
1161 mute_mask = 0x8000;
1162 val = snd_ac97_read(ac97, reg);
1163 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1164 /* check whether both mute bits work */
1165 val1 = val | 0x8080;
1166 snd_ac97_write(ac97, reg, val1);
1167 if (val1 == snd_ac97_read(ac97, reg))
1168 mute_mask = 0x8080;
1169 }
1170 if (mute_mask == 0x8080) {
ee42381e 1171 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
6dbe6628
TI		 1172 if (check_amix)
1173 tmp.private_value |= (1 << 30);
1da177e4
LT		 1174 tmp.index = ac97->num;
1175 kctl = snd_ctl_new1(&tmp, ac97);
1176 } else {
ee42381e 1177 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
6dbe6628
TI		 1178 if (check_amix)
1179 tmp.private_value |= (1 << 30);
1da177e4
LT		 1180 tmp.index = ac97->num;
1181 kctl = snd_ctl_new1(&tmp, ac97);
1182 }
1183 err = snd_ctl_add(card, kctl);
1184 if (err < 0)
1185 return err;
1186 /* mute as default */
1187 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1188 return 0;
1189}
1190
2f3482fb
TI		 1191/*
1192 * set dB information
1193 */
0cb29ea0
TI		 1194static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1195static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1196static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1197static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1198static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
2f3482fb 1199
0cb29ea0 1200static const unsigned int *find_db_scale(unsigned int maxval)
2f3482fb
TI		 1201{
1202 switch (maxval) {
1203 case 0x0f: return db_scale_4bit;
1204 case 0x1f: return db_scale_5bit;
1205 case 0x3f: return db_scale_6bit;
1206 }
1207 return NULL;
1208}
1209
0cb29ea0
TI		 1210static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1211{
2f3482fb
TI		 1212 kctl->tlv.p = tlv;
1213 if (tlv)
1214 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1215}
1216
1da177e4
LT		 1217/*
1218 * create a volume for normal stereo/mono controls
1219 */
ee42381e
TI		 1220static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1221 unsigned int hi_max, struct snd_ac97 *ac97)
1da177e4
LT		 1222{
1223 int err;
ee42381e 1224 struct snd_kcontrol *kctl;
1da177e4
LT		 1225
1226 if (! snd_ac97_valid_reg(ac97, reg))
1227 return 0;
1228 if (hi_max) {
1229 /* invert */
ee42381e 1230 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1da177e4
LT		 1231 tmp.index = ac97->num;
1232 kctl = snd_ctl_new1(&tmp, ac97);
1233 } else {
1234 /* invert */
ee42381e 1235 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1da177e4
LT		 1236 tmp.index = ac97->num;
1237 kctl = snd_ctl_new1(&tmp, ac97);
1238 }
2f3482fb
TI		 1239 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1240 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1241 else
1242 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1da177e4
LT		 1243 err = snd_ctl_add(card, kctl);
1244 if (err < 0)
1245 return err;
1246 snd_ac97_write_cache(ac97, reg,
1247 (snd_ac97_read(ac97, reg) & 0x8080) |
1248 lo_max | (hi_max << 8));
1249 return 0;
1250}
1251
1252/*
1253 * create a mute-switch and a volume for normal stereo/mono controls
1254 */
6dbe6628
TI		 1255static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1256 int reg, int check_stereo, int check_amix,
1257 struct snd_ac97 *ac97)
1da177e4
LT		 1258{
1259 int err;
1260 char name[44];
1261 unsigned char lo_max, hi_max;
1262
1263 if (! snd_ac97_valid_reg(ac97, reg))
1264 return 0;
1265
1266 if (snd_ac97_try_bit(ac97, reg, 15)) {
1267 sprintf(name, "%s Switch", pfx);
6dbe6628
TI		 1268 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1269 check_stereo, check_amix,
1270 ac97)) < 0)
1da177e4
LT		 1271 return err;
1272 }
1273 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1274 if (lo_max) {
1275 sprintf(name, "%s Volume", pfx);
1276 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1277 return err;
1278 }
1279 return 0;
1280}
1281
6dbe6628
TI		 1282#define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1283 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1284#define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1285 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1da177e4 1286
ee42381e 1287static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1da177e4 1288
ee42381e 1289static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1da177e4 1290{
ee42381e
TI		 1291 struct snd_card *card = ac97->bus->card;
1292 struct snd_kcontrol *kctl;
1da177e4
LT		 1293 int err;
1294 unsigned int idx;
1295 unsigned char max;
1296
1297 /* build master controls */
1298 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1299 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1300 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
6dbe6628
TI		 1301 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1302 AC97_MASTER, 0, ac97);
1da177e4 1303 else
6dbe6628
TI		 1304 err = snd_ac97_cmix_new(card, "Master Playback",
1305 AC97_MASTER, 0, ac97);
1da177e4
LT		 1306 if (err < 0)
1307 return err;
1308 }
1309
1310 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1311
1312 /* build center controls */
70c5acbd
JK		 1313 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1314 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4
LT		 1315 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1316 return err;
1317 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1318 return err;
1319 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1320 kctl->private_value &= ~(0xff << 16);
1321 kctl->private_value |= (int)max << 16;
2f3482fb 1322 set_tlv_db_scale(kctl, find_db_scale(max));
1da177e4
LT		 1323 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1324 }
1325
1326 /* build LFE controls */
70c5acbd
JK		 1327 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1328 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4
LT		 1329 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1330 return err;
1331 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1332 return err;
1333 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1334 kctl->private_value &= ~(0xff << 16);
1335 kctl->private_value |= (int)max << 16;
2f3482fb 1336 set_tlv_db_scale(kctl, find_db_scale(max));
1da177e4
LT		 1337 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1338 }
1339
1340 /* build surround controls */
70c5acbd
JK		 1341 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1342 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4 1343 /* Surround Master (0x38) is with stereo mutes */
6dbe6628
TI		 1344 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1345 AC97_SURROUND_MASTER, 1, 0,
1346 ac97)) < 0)
1da177e4
LT		 1347 return err;
1348 }
1349
1350 /* build headphone controls */
1351 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
6dbe6628
TI		 1352 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1353 AC97_HEADPHONE, 0, ac97)) < 0)
1da177e4
LT		 1354 return err;
1355 }
1356
1357 /* build master mono controls */
1358 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
6dbe6628
TI		 1359 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1360 AC97_MASTER_MONO, 0, ac97)) < 0)
1da177e4
LT		 1361 return err;
1362 }
1363
1364 /* build master tone controls */
3998b70f
LG		 1365 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1366 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1367 for (idx = 0; idx < 2; idx++) {
1368 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1369 return err;
1370 if (ac97->id == AC97_ID_YMF753) {
1371 kctl->private_value &= ~(0xff << 16);
1372 kctl->private_value |= 7 << 16;
1373 }
1da177e4 1374 }
3998b70f 1375 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1da177e4 1376 }
1da177e4
LT		 1377 }
1378
1379 /* build PC Speaker controls */
1380 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1381 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1382 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1383 for (idx = 0; idx < 2; idx++)
2f3482fb 1384 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1da177e4 1385 return err;
2f3482fb 1386 set_tlv_db_scale(kctl, db_scale_4bit);
1da177e4
LT		 1387 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1388 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1389 }
1390
1391 /* build Phone controls */
1392 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1393 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
6dbe6628
TI		 1394 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1395 AC97_PHONE, 1, ac97)) < 0)
1da177e4
LT		 1396 return err;
1397 }
1398 }
1399
1400 /* build MIC controls */
3998b70f
LG		 1401 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1402 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
6dbe6628
TI		 1403 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1404 AC97_MIC, 1, ac97)) < 0)
3998b70f
LG		 1405 return err;
1406 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1407 return err;
1408 }
1da177e4
LT		 1409 }
1410
1411 /* build Line controls */
1412 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
6dbe6628
TI		 1413 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1414 AC97_LINE, 1, ac97)) < 0)
1da177e4
LT		 1415 return err;
1416 }
1417
1418 /* build CD controls */
1419 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1420 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
6dbe6628
TI		 1421 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1422 AC97_CD, 1, ac97)) < 0)
1da177e4
LT		 1423 return err;
1424 }
1425 }
1426
1427 /* build Video controls */
1428 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1429 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
6dbe6628
TI		 1430 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1431 AC97_VIDEO, 1, ac97)) < 0)
1da177e4
LT		 1432 return err;
1433 }
1434 }
1435
1436 /* build Aux controls */
1459c784
RG		 1437 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1438 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
6dbe6628
TI		 1439 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1440 AC97_AUX, 1, ac97)) < 0)
1459c784
RG		 1441 return err;
1442 }
1da177e4
LT		 1443 }
1444
1445 /* build PCM controls */
1446 if (ac97->flags & AC97_AD_MULTI) {
1447 unsigned short init_val;
1448 if (ac97->flags & AC97_STEREO_MUTES)
1449 init_val = 0x9f9f;
1450 else
1451 init_val = 0x9f1f;
1452 for (idx = 0; idx < 2; idx++)
2f3482fb 1453 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1da177e4 1454 return err;
2f3482fb 1455 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1456 ac97->spec.ad18xx.pcmreg[0] = init_val;
1457 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1458 for (idx = 0; idx < 2; idx++)
2f3482fb 1459 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1da177e4 1460 return err;
2f3482fb 1461 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1462 ac97->spec.ad18xx.pcmreg[1] = init_val;
1463 }
1464 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1465 for (idx = 0; idx < 2; idx++)
2f3482fb 1466 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1da177e4 1467 return err;
2f3482fb 1468 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4 1469 for (idx = 0; idx < 2; idx++)
2f3482fb 1470 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1da177e4 1471 return err;
2f3482fb 1472 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1473 ac97->spec.ad18xx.pcmreg[2] = init_val;
1474 }
1475 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1476 } else {
3998b70f
LG		 1477 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1478 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
6dbe6628
TI		 1479 err = snd_ac97_cmute_new(card,
1480 "PCM Playback Switch",
1481 AC97_PCM, 0, ac97);
3998b70f 1482 else
6dbe6628
TI		 1483 err = snd_ac97_cmix_new(card, "PCM Playback",
1484 AC97_PCM, 0, ac97);
3998b70f
LG		 1485 if (err < 0)
1486 return err;
1487 }
1da177e4
LT		 1488 }
1489
1490 /* build Capture controls */
1491 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1492 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1493 return err;
1494 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
6dbe6628
TI		 1495 err = snd_ac97_cmute_new(card, "Capture Switch",
1496 AC97_REC_GAIN, 0, ac97);
1497 if (err < 0)
1da177e4
LT		 1498 return err;
1499 }
2f3482fb 1500 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1da177e4 1501 return err;
2f3482fb 1502 set_tlv_db_scale(kctl, db_scale_rec_gain);
1da177e4
LT		 1503 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1504 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1505 }
1506 /* build MIC Capture controls */
1507 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1508 for (idx = 0; idx < 2; idx++)
2f3482fb 1509 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1da177e4 1510 return err;
2f3482fb 1511 set_tlv_db_scale(kctl, db_scale_rec_gain);
1da177e4
LT		 1512 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1513 }
1514
1515 /* build PCM out path & mute control */
1516 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1517 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1518 return err;
1519 }
1520
1521 /* build Simulated Stereo Enhancement control */
1522 if (ac97->caps & 0x0008) {
1523 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1524 return err;
1525 }
1526
1527 /* build 3D Stereo Enhancement control */
1528 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1529 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1530 return err;
1531 }
1532
1533 /* build Loudness control */
1534 if (ac97->caps & 0x0020) {
1535 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1536 return err;
1537 }
1538
1539 /* build Mono output select control */
1540 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1541 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1542 return err;
1543 }
1544
1545 /* build Mic select control */
1546 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1547 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1548 return err;
1549 }
1550
1551 /* build ADC/DAC loopback control */
1552 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1553 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1554 return err;
1555 }
1556
1557 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1558
1559 /* build 3D controls */
1560 if (ac97->build_ops->build_3d) {
1561 ac97->build_ops->build_3d(ac97);
1562 } else {
1563 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1564 unsigned short val;
1565 val = 0x0707;
1566 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1567 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1568 val = val == 0x0606;
1569 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1570 return err;
1571 if (val)
1572 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1573 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1574 return err;
1575 if (val)
1576 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1577 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1578 }
1579 }
1580
1581 /* build S/PDIF controls */
7b89190c
MS		 1582
1583 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1584 if (ac97->subsystem_vendor == 0x1043 &&
1585 ac97->subsystem_device == 0x810f)
1586 ac97->ext_id |= AC97_EI_SPDIF;
1587
1da177e4
LT		 1588 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1589 if (ac97->build_ops->build_spdif) {
1590 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1591 return err;
1592 } else {
1593 for (idx = 0; idx < 5; idx++)
1594 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1595 return err;
1596 if (ac97->build_ops->build_post_spdif) {
1597 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1598 return err;
1599 }
1600 /* set default PCM S/PDIF params */
1601 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1602 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1603 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1604 }
1605 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1606 }
1607
1608 /* build chip specific controls */
1609 if (ac97->build_ops->build_specific)
1610 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1611 return err;
1612
1613 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1614 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1615 if (! kctl)
1616 return -ENOMEM;
1617 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1618 set_inv_eapd(ac97, kctl);
1619 if ((err = snd_ctl_add(card, kctl)) < 0)
1620 return err;
1621 }
1622
1623 return 0;
1624}
1625
ee42381e 1626static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1da177e4 1627{
87d61c29
SK		 1628 int err, idx;
1629
1da177e4
LT		 1630 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1631 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1632 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1633 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1634 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1635 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1636
1637 /* build modem switches */
1638 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
0444e2ac 1639 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
87d61c29
SK		 1640 return err;
1641
1642 /* build chip specific controls */
1643 if (ac97->build_ops->build_specific)
1644 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1645 return err;
1646
1da177e4
LT		 1647 return 0;
1648}
1649
ee42381e 1650static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1da177e4
LT		 1651{
1652 unsigned short val;
1653 unsigned int tmp;
1654
1655 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1656 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1657 if (shadow_reg)
1658 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1659 val = snd_ac97_read(ac97, reg);
1660 return val == (tmp & 0xffff);
1661}
1662
ee42381e 1663static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1da177e4
LT		 1664{
1665 unsigned int result = 0;
1666 unsigned short saved;
1667
1668 if (ac97->bus->no_vra) {
1669 *r_result = SNDRV_PCM_RATE_48000;
1670 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1671 reg == AC97_PCM_FRONT_DAC_RATE)
1672 *r_result |= SNDRV_PCM_RATE_96000;
1673 return;
1674 }
1675
1676 saved = snd_ac97_read(ac97, reg);
1677 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1678 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1679 AC97_EA_DRA, 0);
1680 /* test a non-standard rate */
1681 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1682 result |= SNDRV_PCM_RATE_CONTINUOUS;
1683 /* let's try to obtain standard rates */
1684 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1685 result |= SNDRV_PCM_RATE_8000;
1686 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1687 result |= SNDRV_PCM_RATE_11025;
1688 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1689 result |= SNDRV_PCM_RATE_16000;
1690 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1691 result |= SNDRV_PCM_RATE_22050;
1692 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1693 result |= SNDRV_PCM_RATE_32000;
1694 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1695 result |= SNDRV_PCM_RATE_44100;
1696 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1697 result |= SNDRV_PCM_RATE_48000;
1698 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1699 reg == AC97_PCM_FRONT_DAC_RATE) {
1700 /* test standard double rates */
1701 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1702 AC97_EA_DRA, AC97_EA_DRA);
1703 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1704 result |= SNDRV_PCM_RATE_64000;
1705 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1706 result |= SNDRV_PCM_RATE_88200;
1707 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1708 result |= SNDRV_PCM_RATE_96000;
1709 /* some codecs don't support variable double rates */
1710 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1711 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1712 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1713 AC97_EA_DRA, 0);
1714 }
1715 /* restore the default value */
1716 snd_ac97_write_cache(ac97, reg, saved);
1717 if (shadow_reg)
1718 snd_ac97_write_cache(ac97, shadow_reg, saved);
1719 *r_result = result;
1720}
1721
1722/* check AC97_SPDIF register to accept which sample rates */
ee42381e 1723static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1da177e4
LT		 1724{
1725 unsigned int result = 0;
1726 int i;
1727 static unsigned short ctl_bits[] = {
1728 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1729 };
1730 static unsigned int rate_bits[] = {
1731 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1732 };
1733
1734 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1735 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1736 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1737 result |= rate_bits[i];
1738 }
1739 return result;
1740}
1741
1742/* look for the codec id table matching with the given id */
ee42381e
TI		 1743static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1744 unsigned int id)
1da177e4 1745{
ee42381e 1746 const struct ac97_codec_id *pid;
1da177e4
LT		 1747
1748 for (pid = table; pid->id; pid++)
1749 if (pid->id == (id & pid->mask))
1750 return pid;
1751 return NULL;
1752}
1753
ee42381e 1754void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1da177e4 1755{
ee42381e 1756 const struct ac97_codec_id *pid;
1da177e4
LT		 1757
1758 sprintf(name, "0x%x %c%c%c", id,
1759 printable(id >> 24),
1760 printable(id >> 16),
1761 printable(id >> 8));
1762 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1763 if (! pid)
1764 return;
1765
1766 strcpy(name, pid->name);
1767 if (ac97 && pid->patch) {
1768 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1769 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1770 pid->patch(ac97);
1771 }
1772
1773 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1774 if (pid) {
1775 strcat(name, " ");
1776 strcat(name, pid->name);
1777 if (pid->mask != 0xffffffff)
1778 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1779 if (ac97 && pid->patch) {
1780 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1781 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1782 pid->patch(ac97);
1783 }
1784 } else
1785 sprintf(name + strlen(name), " id %x", id & 0xff);
1786}
1787
1788/**
1789 * snd_ac97_get_short_name - retrieve codec name
1790 * @ac97: the codec instance
1791 *
1792 * Returns the short identifying name of the codec.
1793 */
ee42381e 1794const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1da177e4 1795{
ee42381e 1796 const struct ac97_codec_id *pid;
1da177e4
LT		 1797
1798 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1799 if (pid->id == (ac97->id & pid->mask))
1800 return pid->name;
1801 return "unknown codec";
1802}
1803
7b09679c 1804EXPORT_SYMBOL(snd_ac97_get_short_name);
1da177e4
LT		 1805
1806/* wait for a while until registers are accessible after RESET
1807 * return 0 if ok, negative not ready
1808 */
ee42381e 1809static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1da177e4
LT		 1810{
1811 unsigned long end_time;
1812 unsigned short val;
1813
1814 end_time = jiffies + timeout;
1815 do {
1816
1817 /* use preliminary reads to settle the communication */
1818 snd_ac97_read(ac97, AC97_RESET);
1819 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1820 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1821 /* modem? */
1822 if (with_modem) {
1823 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1824 if (val != 0xffff && (val & 1) != 0)
1825 return 0;
1826 }
1827 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1828 /* probably only Xbox issue - all registers are read as zero */
1829 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1830 if (val != 0 && val != 0xffff)
1831 return 0;
1832 } else {
1833 /* because the PCM or MASTER volume registers can be modified,
1834 * the REC_GAIN register is used for tests
1835 */
1836 /* test if we can write to the record gain volume register */
1837 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1838 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1839 return 0;
1840 }
8433a509 1841 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1842 } while (time_after_eq(end_time, jiffies));
1843 return -ENODEV;
1844}
1845
1846/**
1847 * snd_ac97_bus - create an AC97 bus component
1848 * @card: the card instance
1849 * @num: the bus number
1850 * @ops: the bus callbacks table
1851 * @private_data: private data pointer for the new instance
1852 * @rbus: the pointer to store the new AC97 bus instance.
1853 *
ee42381e 1854 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1da177e4
LT		 1855 * allocated and initialized.
1856 *
1857 * The ops table must include valid callbacks (at least read and
1858 * write). The other callbacks, wait and reset, are not mandatory.
1859 *
1860 * The clock is set to 48000. If another clock is needed, set
1861 * (*rbus)->clock manually.
1862 *
1863 * The AC97 bus instance is registered as a low-level device, so you don't
1864 * have to release it manually.
1865 *
1866 * Returns zero if successful, or a negative error code on failure.
1867 */
ee42381e
TI		 1868int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1869 void *private_data, struct snd_ac97_bus **rbus)
1da177e4
LT		 1870{
1871 int err;
ee42381e
TI		 1872 struct snd_ac97_bus *bus;
1873 static struct snd_device_ops dev_ops = {
1da177e4
LT		 1874 .dev_free = snd_ac97_bus_dev_free,
1875 };
1876
1877 snd_assert(card != NULL, return -EINVAL);
1878 snd_assert(rbus != NULL, return -EINVAL);
e560d8d8 1879 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 1880 if (bus == NULL)
1881 return -ENOMEM;
1882 bus->card = card;
1883 bus->num = num;
1884 bus->ops = ops;
1885 bus->private_data = private_data;
1886 bus->clock = 48000;
1887 spin_lock_init(&bus->bus_lock);
1888 snd_ac97_bus_proc_init(bus);
1889 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1890 snd_ac97_bus_free(bus);
1891 return err;
1892 }
1893 *rbus = bus;
1894 return 0;
1895}
1896
7b09679c
TI		 1897EXPORT_SYMBOL(snd_ac97_bus);
1898
0ca06a00
LG		 1899/* stop no dev release warning */
1900static void ac97_device_release(struct device * dev)
1901{
1902}
1903
1904/* register ac97 codec to bus */
ee42381e 1905static int snd_ac97_dev_register(struct snd_device *device)
0ca06a00 1906{
ee42381e 1907 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1908 int err;
1909
1910 ac97->dev.bus = &ac97_bus_type;
1911 ac97->dev.parent = ac97->bus->card->dev;
0ca06a00 1912 ac97->dev.release = ac97_device_release;
9398441e
TI		 1913 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1914 ac97->bus->card->number, ac97->num,
1915 snd_ac97_get_short_name(ac97));
0ca06a00
LG		 1916 if ((err = device_register(&ac97->dev)) < 0) {
1917 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1918 ac97->dev.bus = NULL;
1919 return err;
1920 }
1921 return 0;
1922}
1923
c461482c
TI		 1924/* disconnect ac97 codec */
1925static int snd_ac97_dev_disconnect(struct snd_device *device)
0ca06a00 1926{
ee42381e 1927 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1928 if (ac97->dev.bus)
1929 device_unregister(&ac97->dev);
c461482c 1930 return 0;
0ca06a00
LG		 1931}
1932
1da177e4
LT		 1933/* build_ops to do nothing */
1934static struct snd_ac97_build_ops null_build_ops;
1935
6dbe6628 1936#ifdef CONFIG_SND_AC97_POWER_SAVE
c4028958 1937static void do_update_power(struct work_struct *work)
6dbe6628 1938{
c4028958
DH		 1939 update_power_regs(
1940 container_of(work, struct snd_ac97, power_work.work));
6dbe6628
TI		 1941}
1942#endif
1943
1da177e4
LT		 1944/**
1945 * snd_ac97_mixer - create an Codec97 component
1946 * @bus: the AC97 bus which codec is attached to
1947 * @template: the template of ac97, including index, callbacks and
1948 * the private data.
1949 * @rac97: the pointer to store the new ac97 instance.
1950 *
ee42381e 1951 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1da177e4
LT		 1952 * allocated and initialized from the template. The codec
1953 * is then initialized by the standard procedure.
1954 *
1955 * The template must include the codec number (num) and address (addr),
1956 * and the private data (private_data).
1957 *
1958 * The ac97 instance is registered as a low-level device, so you don't
1959 * have to release it manually.
1960 *
1961 * Returns zero if successful, or a negative error code on failure.
1962 */
ee42381e 1963int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1da177e4
LT		 1964{
1965 int err;
ee42381e
TI		 1966 struct snd_ac97 *ac97;
1967 struct snd_card *card;
1da177e4
LT		 1968 char name[64];
1969 unsigned long end_time;
1970 unsigned int reg;
ee42381e
TI		 1971 const struct ac97_codec_id *pid;
1972 static struct snd_device_ops ops = {
1da177e4 1973 .dev_free = snd_ac97_dev_free,
0ca06a00 1974 .dev_register = snd_ac97_dev_register,
c461482c 1975 .dev_disconnect = snd_ac97_dev_disconnect,
1da177e4
LT		 1976 };
1977
1978 snd_assert(rac97 != NULL, return -EINVAL);
1979 *rac97 = NULL;
1980 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1981 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1982
1da177e4 1983 card = bus->card;
e560d8d8 1984 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1da177e4
LT		 1985 if (ac97 == NULL)
1986 return -ENOMEM;
1987 ac97->private_data = template->private_data;
1988 ac97->private_free = template->private_free;
1989 ac97->bus = bus;
1990 ac97->pci = template->pci;
1991 ac97->num = template->num;
1992 ac97->addr = template->addr;
1993 ac97->scaps = template->scaps;
7c5706bb 1994 ac97->res_table = template->res_table;
1da177e4 1995 bus->codec[ac97->num] = ac97;
62932df8
IM		 1996 mutex_init(&ac97->reg_mutex);
1997 mutex_init(&ac97->page_mutex);
6dbe6628 1998#ifdef CONFIG_SND_AC97_POWER_SAVE
c4028958 1999 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
6dbe6628 2000#endif
1da177e4 2001
adf1b3d2 2002#ifdef CONFIG_PCI
1da177e4
LT		 2003 if (ac97->pci) {
2004 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2005 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2006 }
adf1b3d2 2007#endif
1da177e4
LT		 2008 if (bus->ops->reset) {
2009 bus->ops->reset(ac97);
2010 goto __access_ok;
2011 }
2012
2013 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2014 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2015 if (ac97->id && ac97->id != (unsigned int)-1) {
2016 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2017 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2018 goto __access_ok;
2019 }
2020
23fea4da
SK		 2021 /* reset to defaults */
2022 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2023 snd_ac97_write(ac97, AC97_RESET, 0);
2024 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2025 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 2026 if (bus->ops->wait)
2027 bus->ops->wait(ac97);
2028 else {
2029 udelay(50);
2030 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2031 err = ac97_reset_wait(ac97, HZ/2, 1);
2032 else {
2033 err = ac97_reset_wait(ac97, HZ/2, 0);
2034 if (err < 0)
2035 err = ac97_reset_wait(ac97, HZ/2, 1);
2036 }
2037 if (err < 0) {
2038 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
2039 /* proceed anyway - it's often non-critical */
2040 }
2041 }
2042 __access_ok:
2043 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2044 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2045 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2046 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2047 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
2048 snd_ac97_free(ac97);
2049 return -EIO;
2050 }
2051 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2052 if (pid)
2053 ac97->flags |= pid->flags;
2054
2055 /* test for AC'97 */
2056 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2057 /* test if we can write to the record gain volume register */
2058 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2059 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2060 ac97->scaps |= AC97_SCAP_AUDIO;
2061 }
2062 if (ac97->scaps & AC97_SCAP_AUDIO) {
2063 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2064 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2065 if (ac97->ext_id == 0xffff) /* invalid combination */
2066 ac97->ext_id = 0;
2067 }
2068
2069 /* test for MC'97 */
2070 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2071 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2072 if (ac97->ext_mid == 0xffff) /* invalid combination */
2073 ac97->ext_mid = 0;
2074 if (ac97->ext_mid & 1)
2075 ac97->scaps |= AC97_SCAP_MODEM;
2076 }
2077
2078 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2079 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2080 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2081 snd_ac97_free(ac97);
2082 return -EACCES;
2083 }
2084
2085 if (bus->ops->reset) // FIXME: always skipping?
2086 goto __ready_ok;
2087
2088 /* FIXME: add powerdown control */
2089 if (ac97_is_audio(ac97)) {
2090 /* nothing should be in powerdown mode */
2091 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2092 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2093 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2094 udelay(100);
2095 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2096 }
2097 /* nothing should be in powerdown mode */
2098 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2099 end_time = jiffies + (HZ / 10);
2100 do {
2101 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2102 goto __ready_ok;
8433a509 2103 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2104 } while (time_after_eq(end_time, jiffies));
2105 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2106 }
2107
2108 /* FIXME: add powerdown control */
2109 if (ac97_is_modem(ac97)) {
2110 unsigned char tmp;
2111
2112 /* nothing should be in powerdown mode */
2113 /* note: it's important to set the rate at first */
2114 tmp = AC97_MEA_GPIO;
2115 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 2116 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 2117 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2118 }
2119 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 2120 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 2121 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2122 }
2123 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 2124 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 2125 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2126 }
8e8311b0 2127 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2128 udelay(100);
2129 /* nothing should be in powerdown mode */
8e8311b0 2130 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2131 end_time = jiffies + (HZ / 10);
2132 do {
2133 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2134 goto __ready_ok;
8433a509 2135 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2136 } while (time_after_eq(end_time, jiffies));
2137 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2138 }
2139
2140 __ready_ok:
2141 if (ac97_is_audio(ac97))
2142 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2143 else
2144 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2145 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2146 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2147 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2148 if (! bus->no_vra)
2149 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2150 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2151 }
2152 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2153 /* Intel controllers require double rate data to be put in
2154 * slots 7+8, so let's hope the codec supports it. */
2155 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2156 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2157 ac97->flags |= AC97_DOUBLE_RATE;
091e95ee
TI		 2158 /* restore to slots 10/11 to avoid the confliction with surrounds */
2159 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
1da177e4
LT		 2160 }
2161 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2162 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2163 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2164 } else {
2165 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2166 if (ac97->flags & AC97_DOUBLE_RATE)
2167 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2168 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2169 }
2170 if (ac97->ext_id & AC97_EI_SPDIF) {
2171 /* codec specific code (patch) should override these values */
2172 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2173 }
2174 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2175 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2176 } else {
2177 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2178 }
2179 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2180 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2181 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2182 }
2183 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2184 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2185 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2186 }
2187 /* additional initializations */
2188 if (bus->ops->init)
2189 bus->ops->init(ac97);
2190 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2191 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2192 if (! ac97->build_ops)
2193 ac97->build_ops = &null_build_ops;
2194
2195 if (ac97_is_audio(ac97)) {
2196 char comp[16];
2197 if (card->mixername[0] == '\0') {
2198 strcpy(card->mixername, name);
2199 } else {
2200 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2201 strcat(card->mixername, ",");
2202 strcat(card->mixername, name);
2203 }
2204 }
2205 sprintf(comp, "AC97a:%08x", ac97->id);
2206 if ((err = snd_component_add(card, comp)) < 0) {
2207 snd_ac97_free(ac97);
2208 return err;
2209 }
2210 if (snd_ac97_mixer_build(ac97) < 0) {
2211 snd_ac97_free(ac97);
2212 return -ENOMEM;
2213 }
2214 }
2215 if (ac97_is_modem(ac97)) {
2216 char comp[16];
2217 if (card->mixername[0] == '\0') {
2218 strcpy(card->mixername, name);
2219 } else {
2220 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2221 strcat(card->mixername, ",");
2222 strcat(card->mixername, name);
2223 }
2224 }
2225 sprintf(comp, "AC97m:%08x", ac97->id);
2226 if ((err = snd_component_add(card, comp)) < 0) {
2227 snd_ac97_free(ac97);
2228 return err;
2229 }
2230 if (snd_ac97_modem_build(card, ac97) < 0) {
2231 snd_ac97_free(ac97);
2232 return -ENOMEM;
2233 }
2234 }
6dbe6628
TI		 2235 if (ac97_is_audio(ac97))
2236 update_power_regs(ac97);
1da177e4
LT		 2237 snd_ac97_proc_init(ac97);
2238 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2239 snd_ac97_free(ac97);
2240 return err;
2241 }
2242 *rac97 = ac97;
1da177e4
LT		 2243 return 0;
2244}
2245
7b09679c 2246EXPORT_SYMBOL(snd_ac97_mixer);
1da177e4
LT		 2247
2248/*
2249 * Power down the chip.
2250 *
2251 * MASTER and HEADPHONE registers are muted but the register cache values
2252 * are not changed, so that the values can be restored in snd_ac97_resume().
2253 */
ee42381e 2254static void snd_ac97_powerdown(struct snd_ac97 *ac97)
1da177e4
LT		 2255{
2256 unsigned short power;
2257
2258 if (ac97_is_audio(ac97)) {
2259 /* some codecs have stereo mute bits */
2260 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2261 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2262 }
2263
6dbe6628
TI		 2264 /* surround, CLFE, mic powerdown */
2265 power = ac97->regs[AC97_EXTENDED_STATUS];
2266 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2267 power |= AC97_EA_PRJ;
2268 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2269 power |= AC97_EA_PRI | AC97_EA_PRK;
2270 power |= AC97_EA_PRL;
2271 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2272
2273 /* powerdown external amplifier */
2274 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2275 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2276 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2277 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2278 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2279 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
1da177e4
LT		 2280 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2281 udelay(100);
6dbe6628 2282 power |= AC97_PD_PR2 | AC97_PD_PR3; /* Analog Mixer powerdown */
1da177e4 2283 snd_ac97_write(ac97, AC97_POWERDOWN, power);
f1a63a38 2284 if (ac97_is_power_save_mode(ac97)) {
6dbe6628
TI		 2285 udelay(100);
2286 /* AC-link powerdown, internal Clk disable */
2287 /* FIXME: this may cause click noises on some boards */
2288 power |= AC97_PD_PR4 | AC97_PD_PR5;
2289 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2290 }
1da177e4
LT		 2291}
2292
2293
6dbe6628
TI		 2294struct ac97_power_reg {
2295 unsigned short reg;
2296 unsigned short power_reg;
2297 unsigned short mask;
2298};
2299
2300enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2301
2302static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2303 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2304 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2305 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2306 AC97_EA_PRI | AC97_EA_PRK},
2307 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2308 AC97_EA_PRJ},
2309 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2310 AC97_EA_PRL},
2311};
2312
2313#ifdef CONFIG_SND_AC97_POWER_SAVE
2314/**
2315 * snd_ac97_update_power - update the powerdown register
2316 * @ac97: the codec instance
2317 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2318 * @powerup: non-zero when power up the part
2319 *
2320 * Update the AC97 powerdown register bits of the given part.
2321 */
2322int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2323{
2324 int i;
2325
2326 if (! ac97)
2327 return 0;
2328
2329 if (reg) {
2330 /* SPDIF requires DAC power, too */
2331 if (reg == AC97_SPDIF)
2332 reg = AC97_PCM_FRONT_DAC_RATE;
2333 for (i = 0; i < PWIDX_SIZE; i++) {
2334 if (power_regs[i].reg == reg) {
2335 if (powerup)
2336 ac97->power_up |= (1 << i);
2337 else
2338 ac97->power_up &= ~(1 << i);
2339 break;
2340 }
2341 }
2342 }
2343
f1a63a38 2344 if (ac97_is_power_save_mode(ac97) && !powerup)
6dbe6628
TI		 2345 /* adjust power-down bits after two seconds delay
2346 * (for avoiding loud click noises for many (OSS) apps
2347 * that open/close frequently)
2348 */
f1a63a38
TI		 2349 schedule_delayed_work(&ac97->power_work, HZ*2);
2350 else {
2351 cancel_delayed_work(&ac97->power_work);
6dbe6628 2352 update_power_regs(ac97);
f1a63a38 2353 }
6dbe6628
TI		 2354
2355 return 0;
2356}
2357
2358EXPORT_SYMBOL(snd_ac97_update_power);
2359#endif /* CONFIG_SND_AC97_POWER_SAVE */
2360
2361static void update_power_regs(struct snd_ac97 *ac97)
2362{
2363 unsigned int power_up, bits;
2364 int i;
2365
f1a63a38
TI		 2366 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2367 power_up |= (1 << PWIDX_MIC);
2368 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2369 power_up |= (1 << PWIDX_SURR);
2370 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2371 power_up |= (1 << PWIDX_CLFE);
6dbe6628 2372#ifdef CONFIG_SND_AC97_POWER_SAVE
f1a63a38 2373 if (ac97_is_power_save_mode(ac97))
6dbe6628 2374 power_up = ac97->power_up;
6dbe6628
TI		 2375#endif
2376 if (power_up) {
2377 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2378 /* needs power-up analog mix and vref */
2379 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2380 AC97_PD_PR3, 0);
2381 msleep(1);
2382 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2383 AC97_PD_PR2, 0);
2384 }
2385 }
2386 for (i = 0; i < PWIDX_SIZE; i++) {
2387 if (power_up & (1 << i))
2388 bits = 0;
2389 else
2390 bits = power_regs[i].mask;
2391 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2392 power_regs[i].mask, bits);
2393 }
2394 if (! power_up) {
2395 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2396 /* power down analog mix and vref */
2397 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2398 AC97_PD_PR2, AC97_PD_PR2);
2399 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2400 AC97_PD_PR3, AC97_PD_PR3);
2401 }
2402 }
2403}
2404
2405
1da177e4
LT		 2406#ifdef CONFIG_PM
2407/**
2408 * snd_ac97_suspend - General suspend function for AC97 codec
2409 * @ac97: the ac97 instance
2410 *
2411 * Suspends the codec, power down the chip.
2412 */
ee42381e 2413void snd_ac97_suspend(struct snd_ac97 *ac97)
1da177e4 2414{
e26e7545
TI		 2415 if (! ac97)
2416 return;
1da177e4
LT		 2417 if (ac97->build_ops->suspend)
2418 ac97->build_ops->suspend(ac97);
3b6baa5a
TI		 2419#ifdef CONFIG_SND_AC97_POWER_SAVE
2420 cancel_delayed_work(&ac97->power_work);
2421 flush_scheduled_work();
2422#endif
1da177e4
LT		 2423 snd_ac97_powerdown(ac97);
2424}
2425
7b09679c
TI		 2426EXPORT_SYMBOL(snd_ac97_suspend);
2427
1da177e4
LT		 2428/*
2429 * restore ac97 status
2430 */
ee42381e 2431void snd_ac97_restore_status(struct snd_ac97 *ac97)
1da177e4
LT		 2432{
2433 int i;
2434
2435 for (i = 2; i < 0x7c ; i += 2) {
2436 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2437 continue;
2438 /* restore only accessible registers
2439 * some chip (e.g. nm256) may hang up when unsupported registers
2440 * are accessed..!
2441 */
2442 if (test_bit(i, ac97->reg_accessed)) {
2443 snd_ac97_write(ac97, i, ac97->regs[i]);
2444 snd_ac97_read(ac97, i);
2445 }
2446 }
2447}
2448
2449/*
2450 * restore IEC958 status
2451 */
ee42381e 2452void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
1da177e4
LT		 2453{
2454 if (ac97->ext_id & AC97_EI_SPDIF) {
2455 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2456 /* reset spdif status */
2457 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2458 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2459 if (ac97->flags & AC97_CS_SPDIF)
2460 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2461 else
2462 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2463 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2464 }
2465 }
2466}
2467
2468/**
2469 * snd_ac97_resume - General resume function for AC97 codec
2470 * @ac97: the ac97 instance
2471 *
2472 * Do the standard resume procedure, power up and restoring the
2473 * old register values.
2474 */
ee42381e 2475void snd_ac97_resume(struct snd_ac97 *ac97)
1da177e4 2476{
ef21ca24 2477 unsigned long end_time;
1da177e4 2478
e26e7545
TI		 2479 if (! ac97)
2480 return;
2481
1da177e4
LT		 2482 if (ac97->bus->ops->reset) {
2483 ac97->bus->ops->reset(ac97);
2484 goto __reset_ready;
2485 }
2486
2487 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2488 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2489 snd_ac97_write(ac97, AC97_RESET, 0);
2490 udelay(100);
2491 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2492 }
2493 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2494
2495 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2496 if (ac97_is_audio(ac97)) {
2497 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
ef21ca24
NA		 2498 end_time = jiffies + msecs_to_jiffies(100);
2499 do {
1da177e4
LT		 2500 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2501 break;
8433a509 2502 schedule_timeout_uninterruptible(1);
ef21ca24 2503 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2504 /* FIXME: extra delay */
2505 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
ef21ca24
NA		 2506 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2507 msleep(250);
1da177e4 2508 } else {
ef21ca24
NA		 2509 end_time = jiffies + msecs_to_jiffies(100);
2510 do {
1da177e4
LT		 2511 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2512 if (val != 0xffff && (val & 1) != 0)
2513 break;
8433a509 2514 schedule_timeout_uninterruptible(1);
ef21ca24 2515 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2516 }
2517__reset_ready:
2518
2519 if (ac97->bus->ops->init)
2520 ac97->bus->ops->init(ac97);
2521
2522 if (ac97->build_ops->resume)
2523 ac97->build_ops->resume(ac97);
2524 else {
2525 snd_ac97_restore_status(ac97);
2526 snd_ac97_restore_iec958(ac97);
2527 }
2528}
7b09679c
TI		 2529
2530EXPORT_SYMBOL(snd_ac97_resume);
1da177e4
LT		 2531#endif
2532
2533
2534/*
2535 * Hardware tuning
2536 */
2537static void set_ctl_name(char *dst, const char *src, const char *suffix)
2538{
2539 if (suffix)
2540 sprintf(dst, "%s %s", src, suffix);
2541 else
2542 strcpy(dst, src);
2543}
2544
2545/* remove the control with the given name and optional suffix */
ee42381e 2546int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2547{
ee42381e 2548 struct snd_ctl_elem_id id;
1da177e4
LT		 2549 memset(&id, 0, sizeof(id));
2550 set_ctl_name(id.name, name, suffix);
2551 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2552 return snd_ctl_remove_id(ac97->bus->card, &id);
2553}
2554
ee42381e 2555static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2556{
ee42381e 2557 struct snd_ctl_elem_id sid;
1da177e4
LT		 2558 memset(&sid, 0, sizeof(sid));
2559 set_ctl_name(sid.name, name, suffix);
2560 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2561 return snd_ctl_find_id(ac97->bus->card, &sid);
2562}
2563
2564/* rename the control with the given name and optional suffix */
ee42381e 2565int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
1da177e4 2566{
ee42381e 2567 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
1da177e4
LT		 2568 if (kctl) {
2569 set_ctl_name(kctl->id.name, dst, suffix);
2570 return 0;
2571 }
2572 return -ENOENT;
2573}
2574
2575/* rename both Volume and Switch controls - don't check the return value */
ee42381e 2576void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
1da177e4
LT		 2577{
2578 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2579 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2580}
2581
2582/* swap controls */
ee42381e 2583int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
1da177e4 2584{
ee42381e 2585 struct snd_kcontrol *kctl1, *kctl2;
1da177e4
LT		 2586 kctl1 = ctl_find(ac97, s1, suffix);
2587 kctl2 = ctl_find(ac97, s2, suffix);
2588 if (kctl1 && kctl2) {
2589 set_ctl_name(kctl1->id.name, s2, suffix);
2590 set_ctl_name(kctl2->id.name, s1, suffix);
2591 return 0;
2592 }
2593 return -ENOENT;
2594}
2595
2596#if 1
2597/* bind hp and master controls instead of using only hp control */
ee42381e 2598static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2599{
2600 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2601 if (err > 0) {
2602 unsigned long priv_saved = kcontrol->private_value;
2603 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2604 snd_ac97_put_volsw(kcontrol, ucontrol);
2605 kcontrol->private_value = priv_saved;
2606 }
2607 return err;
2608}
2609
2610/* ac97 tune: bind Master and Headphone controls */
ee42381e 2611static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4 2612{
ee42381e
TI		 2613 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2614 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
1da177e4
LT		 2615 if (! msw || ! mvol)
2616 return -ENOENT;
2617 msw->put = bind_hp_volsw_put;
2618 mvol->put = bind_hp_volsw_put;
2619 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2620 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2621 return 0;
2622}
2623
2624#else
2625/* ac97 tune: use Headphone control as master */
ee42381e 2626static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4
LT		 2627{
2628 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2629 return -ENOENT;
2630 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2631 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2632 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2633 return 0;
2634}
2635#endif
2636
2637/* ac97 tune: swap Headphone and Master controls */
ee42381e 2638static int tune_swap_hp(struct snd_ac97 *ac97)
1da177e4
LT		 2639{
2640 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2641 return -ENOENT;
2642 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2643 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2644 return 0;
2645}
2646
2647/* ac97 tune: swap Surround and Master controls */
ee42381e 2648static int tune_swap_surround(struct snd_ac97 *ac97)
1da177e4
LT		 2649{
2650 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2651 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2652 return -ENOENT;
2653 return 0;
2654}
2655
2656/* ac97 tune: set up mic sharing for AD codecs */
ee42381e 2657static int tune_ad_sharing(struct snd_ac97 *ac97)
1da177e4
LT		 2658{
2659 unsigned short scfg;
2660 if ((ac97->id & 0xffffff00) != 0x41445300) {
2661 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2662 return -EINVAL;
2663 }
2664 /* Turn on OMS bit to route microphone to back panel */
2665 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2666 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2667 return 0;
2668}
2669
ee42381e 2670static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
1da177e4
LT		 2671AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2672
2673/* ac97 tune: set up ALC jack-select */
ee42381e 2674static int tune_alc_jack(struct snd_ac97 *ac97)
1da177e4
LT		 2675{
2676 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2677 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2678 return -EINVAL;
2679 }
2680 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2681 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
031c95d4
TI		 2682 if (ac97->id == AC97_ID_ALC658D)
2683 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
1da177e4
LT		 2684 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2685}
2686
2687/* ac97 tune: inversed EAPD bit */
ee42381e 2688static int tune_inv_eapd(struct snd_ac97 *ac97)
1da177e4 2689{
ee42381e 2690 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
1da177e4
LT		 2691 if (! kctl)
2692 return -ENOENT;
2693 set_inv_eapd(ac97, kctl);
2694 return 0;
2695}
2696
ee42381e 2697static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2698{
2699 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2700 if (err > 0) {
ee42381e 2701 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 2702 int shift = (kcontrol->private_value >> 8) & 0x0f;
2703 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2704 unsigned short mask;
2705 if (shift != rshift)
2706 mask = 0x8080;
2707 else
2708 mask = 0x8000;
2709 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2710 (ac97->regs[AC97_MASTER] & mask) == mask ?
2711 0x8000 : 0);
2712 }
2713 return err;
2714}
2715
2716/* ac97 tune: EAPD controls mute LED bound with the master mute */
ee42381e 2717static int tune_mute_led(struct snd_ac97 *ac97)
1da177e4 2718{
ee42381e 2719 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
1da177e4
LT		 2720 if (! msw)
2721 return -ENOENT;
2722 msw->put = master_mute_sw_put;
2723 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2724 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
6dbe6628 2725 ac97->scaps |= AC97_SCAP_EAPD_LED;
1da177e4
LT		 2726 return 0;
2727}
2728
a0faefed
MG		 2729static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2730 struct snd_ctl_elem_value *ucontrol)
2731{
2732 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2733 if (err > 0) {
2734 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2735 int shift = (kcontrol->private_value >> 8) & 0x0f;
2736 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2737 unsigned short mask;
2738 if (shift != rshift)
2739 mask = 0x8080;
2740 else
2741 mask = 0x8000;
2742 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2743 (ac97->regs[AC97_MASTER] & mask) == mask ?
2744 0x8000 : 0);
2745 }
2746 return err;
2747}
2748
2749static int tune_hp_mute_led(struct snd_ac97 *ac97)
2750{
2751 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2752 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2753 if (! msw || ! mvol)
2754 return -ENOENT;
2755 msw->put = hp_master_mute_sw_put;
2756 mvol->put = bind_hp_volsw_put;
2757 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2758 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2759 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2760 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2761 return 0;
2762}
2763
1da177e4
LT		 2764struct quirk_table {
2765 const char *name;
ee42381e 2766 int (*func)(struct snd_ac97 *);
1da177e4
LT		 2767};
2768
2769static struct quirk_table applicable_quirks[] = {
2770 { "none", NULL },
2771 { "hp_only", tune_hp_only },
2772 { "swap_hp", tune_swap_hp },
2773 { "swap_surround", tune_swap_surround },
2774 { "ad_sharing", tune_ad_sharing },
2775 { "alc_jack", tune_alc_jack },
2776 { "inv_eapd", tune_inv_eapd },
2777 { "mute_led", tune_mute_led },
a0faefed 2778 { "hp_mute_led", tune_hp_mute_led },
1da177e4
LT		 2779};
2780
2781/* apply the quirk with the given type */
ee42381e 2782static int apply_quirk(struct snd_ac97 *ac97, int type)
1da177e4
LT		 2783{
2784 if (type <= 0)
2785 return 0;
2786 else if (type >= ARRAY_SIZE(applicable_quirks))
2787 return -EINVAL;
2788 if (applicable_quirks[type].func)
2789 return applicable_quirks[type].func(ac97);
2790 return 0;
2791}
2792
2793/* apply the quirk with the given name */
ee42381e 2794static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
1da177e4
LT		 2795{
2796 int i;
2797 struct quirk_table *q;
2798
2799 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2800 q = &applicable_quirks[i];
2801 if (q->name && ! strcmp(typestr, q->name))
2802 return apply_quirk(ac97, i);
2803 }
2804 /* for compatibility, accept the numbers, too */
2805 if (*typestr >= '0' && *typestr <= '9')
2806 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2807 return -EINVAL;
2808}
2809
2810/**
2811 * snd_ac97_tune_hardware - tune up the hardware
2812 * @ac97: the ac97 instance
2813 * @quirk: quirk list
2814 * @override: explicit quirk value (overrides the list if non-NULL)
2815 *
2816 * Do some workaround for each pci device, such as renaming of the
2817 * headphone (true line-out) control as "Master".
2818 * The quirk-list must be terminated with a zero-filled entry.
2819 *
2820 * Returns zero if successful, or a negative error code on failure.
2821 */
2822
ee42381e 2823int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
1da177e4
LT		 2824{
2825 int result;
2826
1da177e4
LT		 2827 /* quirk overriden? */
2828 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2829 result = apply_quirk_str(ac97, override);
2830 if (result < 0)
2831 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2832 return result;
2833 }
2834
4b499486
PP		 2835 if (! quirk)
2836 return -EINVAL;
2837
69ad07cf
JK		 2838 for (; quirk->subvendor; quirk++) {
2839 if (quirk->subvendor != ac97->subsystem_vendor)
1da177e4 2840 continue;
69ad07cf
JK		 2841 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2842 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
1da177e4
LT		 2843 if (quirk->codec_id && quirk->codec_id != ac97->id)
2844 continue;
2845 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2846 result = apply_quirk(ac97, quirk->type);
2847 if (result < 0)
2848 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2849 return result;
2850 }
2851 }
2852 return 0;
2853}
2854
1da177e4 2855EXPORT_SYMBOL(snd_ac97_tune_hardware);
1da177e4
LT		 2856
2857/*
2858 * INIT part
2859 */
2860
2861static int __init alsa_ac97_init(void)
2862{
2863 return 0;
2864}
2865
2866static void __exit alsa_ac97_exit(void)
2867{
2868}
2869
2870module_init(alsa_ac97_init)
2871module_exit(alsa_ac97_exit)
Linux kernel - Deliverables
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