projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
[ALSA] via82xx - Default to variable samplerate enabled for MSI K8T Neo2-FI
[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>
34#include <sound/ac97_codec.h>
35#include <sound/asoundef.h>
36#include <sound/initval.h>
37#include "ac97_local.h"
38#include "ac97_id.h"
39#include "ac97_patch.h"
40
41MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
42MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
43MODULE_LICENSE("GPL");
44
45static int enable_loopback;
46
47module_param(enable_loopback, bool, 0444);
48MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
49
50/*
51
52 */
53
ee42381e 54struct ac97_codec_id {
1da177e4
LT		 55 unsigned int id;
56 unsigned int mask;
57 const char *name;
ee42381e
TI		 58 int (*patch)(struct snd_ac97 *ac97);
59 int (*mpatch)(struct snd_ac97 *ac97);
1da177e4 60 unsigned int flags;
ee42381e 61};
1da177e4 62
ee42381e 63static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
1da177e4
LT		 64{ 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
65{ 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
66{ 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
67{ 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
68{ 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
69{ 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
70{ 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
71{ 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
72{ 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
73{ 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
74{ 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
75{ 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
76{ 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
77{ 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
78{ 0x50534300, 0xffffff00, "Philips", NULL, NULL },
79{ 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
80{ 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
81{ 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
82{ 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
83{ 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
84{ 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
85{ 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
86{ 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
87{ 0, 0, NULL, NULL, NULL }
88};
89
ee42381e 90static const struct ac97_codec_id snd_ac97_codec_ids[] = {
1da177e4
LT		 91{ 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
92{ 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
93{ 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
94{ 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
95{ 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
96{ 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
97{ 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
98{ 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
99{ 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
100{ 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
101{ 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
102{ 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
103{ 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
104{ 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
105{ 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
106{ 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
107{ 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
108{ 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL },
109{ 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
110{ 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
111{ 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
112{ 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
113{ 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
114{ 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
115{ 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
a5022b0d 116{ 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
1da177e4
LT		 117{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
118{ 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
119{ 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
120{ 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
121{ 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
122{ 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
123{ 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
124{ 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
5f0dccf8 125{ 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
1da177e4
LT		 126{ 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
127{ 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
128{ 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
129{ 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
130{ 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
131{ 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
132{ 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
133{ 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
134{ 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
135{ 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
136{ 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
137{ 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
138{ 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
139{ 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
140{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
9398441e 141{ 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
1da177e4
LT		 142{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
143{ 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
144{ 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
145{ 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
146{ 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
147{ 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
148{ 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
149{ 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
150{ 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
151{ 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
152{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
ba22429d 153{ 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
1da177e4 154{ 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
87d61c29 155{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
1da177e4
LT		 156{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
157{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
158{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
159{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
160{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
161{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
4b499486 162{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
73864fc6 163{ 0x56494182, 0xffffffff, "VIA1618", NULL, NULL },
1da177e4
LT		 164{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
165{ 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
166{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
167{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
168{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
169{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
170{ 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
171{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
172{ 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
173{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
174{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
175{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
176{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
177{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
178{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
179{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
180{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
181{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
182{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
183{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
184{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
185{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
186{ 0, 0, NULL, NULL, NULL }
187};
188
1da177e4
LT		 189
190/*
191 * I/O routines
192 */
193
ee42381e 194static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
1da177e4 195{
1da177e4
LT		 196 /* filter some registers for buggy codecs */
197 switch (ac97->id) {
198 case AC97_ID_AK4540:
199 case AC97_ID_AK4542:
200 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
201 return 1;
202 return 0;
203 case AC97_ID_AD1819: /* AD1819 */
204 case AC97_ID_AD1881: /* AD1881 */
205 case AC97_ID_AD1881A: /* AD1881A */
206 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
207 return 0;
208 return 1;
209 case AC97_ID_AD1885: /* AD1885 */
210 case AC97_ID_AD1886: /* AD1886 */
211 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
212 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
213 if (reg == 0x5a)
214 return 1;
215 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
216 return 0;
217 return 1;
218 case AC97_ID_STAC9700:
219 case AC97_ID_STAC9704:
220 case AC97_ID_STAC9705:
221 case AC97_ID_STAC9708:
222 case AC97_ID_STAC9721:
223 case AC97_ID_STAC9744:
224 case AC97_ID_STAC9756:
225 if (reg <= 0x3a || reg >= 0x5a)
226 return 1;
227 return 0;
228 }
229 return 1;
230}
231
232/**
233 * snd_ac97_write - write a value on the given register
234 * @ac97: the ac97 instance
235 * @reg: the register to change
236 * @value: the value to set
237 *
238 * Writes a value on the given register. This will invoke the write
239 * callback directly after the register check.
240 * This function doesn't change the register cache unlike
241 * #snd_ca97_write_cache(), so use this only when you don't want to
242 * reflect the change to the suspend/resume state.
243 */
ee42381e 244void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 245{
246 if (!snd_ac97_valid_reg(ac97, reg))
247 return;
248 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
249 /* Fix H/W bug of ALC100/100P */
250 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
251 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
252 }
253 ac97->bus->ops->write(ac97, reg, value);
254}
255
7b09679c
TI		 256EXPORT_SYMBOL(snd_ac97_write);
257
1da177e4
LT		 258/**
259 * snd_ac97_read - read a value from the given register
260 *
261 * @ac97: the ac97 instance
262 * @reg: the register to read
263 *
264 * Reads a value from the given register. This will invoke the read
265 * callback directly after the register check.
266 *
267 * Returns the read value.
268 */
ee42381e 269unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 270{
271 if (!snd_ac97_valid_reg(ac97, reg))
272 return 0;
273 return ac97->bus->ops->read(ac97, reg);
274}
275
276/* read a register - return the cached value if already read */
ee42381e 277static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 278{
279 if (! test_bit(reg, ac97->reg_accessed)) {
280 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
281 // set_bit(reg, ac97->reg_accessed);
282 }
283 return ac97->regs[reg];
284}
285
7b09679c
TI		 286EXPORT_SYMBOL(snd_ac97_read);
287
1da177e4
LT		 288/**
289 * snd_ac97_write_cache - write a value on the given register and update the cache
290 * @ac97: the ac97 instance
291 * @reg: the register to change
292 * @value: the value to set
293 *
294 * Writes a value on the given register and updates the register
295 * cache. The cached values are used for the cached-read and the
296 * suspend/resume.
297 */
ee42381e 298void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 299{
300 if (!snd_ac97_valid_reg(ac97, reg))
301 return;
62932df8 302 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 303 ac97->regs[reg] = value;
304 ac97->bus->ops->write(ac97, reg, value);
305 set_bit(reg, ac97->reg_accessed);
62932df8 306 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 307}
308
7b09679c
TI		 309EXPORT_SYMBOL(snd_ac97_write_cache);
310
1da177e4
LT		 311/**
312 * snd_ac97_update - update the value on the given register
313 * @ac97: the ac97 instance
314 * @reg: the register to change
315 * @value: the value to set
316 *
317 * Compares the value with the register cache and updates the value
318 * only when the value is changed.
319 *
320 * Returns 1 if the value is changed, 0 if no change, or a negative
321 * code on failure.
322 */
ee42381e 323int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 324{
325 int change;
326
327 if (!snd_ac97_valid_reg(ac97, reg))
328 return -EINVAL;
62932df8 329 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 330 change = ac97->regs[reg] != value;
331 if (change) {
332 ac97->regs[reg] = value;
333 ac97->bus->ops->write(ac97, reg, value);
334 }
52b72388 335 set_bit(reg, ac97->reg_accessed);
62932df8 336 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 337 return change;
338}
339
7b09679c
TI		 340EXPORT_SYMBOL(snd_ac97_update);
341
1da177e4
LT		 342/**
343 * snd_ac97_update_bits - update the bits on the given register
344 * @ac97: the ac97 instance
345 * @reg: the register to change
346 * @mask: the bit-mask to change
347 * @value: the value to set
348 *
349 * Updates the masked-bits on the given register only when the value
350 * is changed.
351 *
352 * Returns 1 if the bits are changed, 0 if no change, or a negative
353 * code on failure.
354 */
ee42381e 355int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
1da177e4
LT		 356{
357 int change;
358
359 if (!snd_ac97_valid_reg(ac97, reg))
360 return -EINVAL;
62932df8 361 mutex_lock(&ac97->reg_mutex);
1da177e4 362 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
62932df8 363 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 364 return change;
365}
366
7b09679c
TI		 367EXPORT_SYMBOL(snd_ac97_update_bits);
368
1da177e4 369/* no lock version - see snd_ac97_updat_bits() */
ee42381e 370int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
1da177e4
LT		 371 unsigned short mask, unsigned short value)
372{
373 int change;
374 unsigned short old, new;
375
376 old = snd_ac97_read_cache(ac97, reg);
377 new = (old & ~mask) | value;
378 change = old != new;
379 if (change) {
380 ac97->regs[reg] = new;
381 ac97->bus->ops->write(ac97, reg, new);
382 }
52b72388 383 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 384 return change;
385}
386
ee42381e 387static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
1da177e4
LT		 388{
389 int change;
390 unsigned short old, new, cfg;
391
62932df8 392 mutex_lock(&ac97->page_mutex);
1da177e4
LT		 393 old = ac97->spec.ad18xx.pcmreg[codec];
394 new = (old & ~mask) | value;
395 change = old != new;
396 if (change) {
62932df8 397 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 398 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
399 ac97->spec.ad18xx.pcmreg[codec] = new;
400 /* select single codec */
401 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
402 (cfg & ~0x7000) |
403 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
404 /* update PCM bits */
405 ac97->bus->ops->write(ac97, AC97_PCM, new);
406 /* select all codecs */
407 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
408 cfg | 0x7000);
62932df8 409 mutex_unlock(&ac97->reg_mutex);
1da177e4 410 }
62932df8 411 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 412 return change;
413}
414
415/*
416 * Controls
417 */
418
ee42381e 419int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 420{
421 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
422
423 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
424 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
425 uinfo->value.enumerated.items = e->mask;
426
427 if (uinfo->value.enumerated.item > e->mask - 1)
428 uinfo->value.enumerated.item = e->mask - 1;
429 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
430 return 0;
431}
432
ee42381e 433int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 434{
ee42381e 435 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 436 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 437 unsigned short val, bitmask;
1da177e4 438
b16760bb 439 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 440 ;
1da177e4 441 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 442 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 443 if (e->shift_l != e->shift_r)
5f0dccf8 444 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 445
446 return 0;
447}
448
ee42381e 449int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 450{
ee42381e 451 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 452 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
453 unsigned short val;
5f0dccf8 454 unsigned short mask, bitmask;
1da177e4 455
b16760bb 456 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 457 ;
1da177e4
LT		 458 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
459 return -EINVAL;
460 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 461 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 462 if (e->shift_l != e->shift_r) {
463 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
464 return -EINVAL;
465 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 466 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 467 }
468 return snd_ac97_update_bits(ac97, e->reg, mask, val);
469}
470
471/* save/restore ac97 v2.3 paging */
ee42381e 472static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
1da177e4
LT		 473{
474 int page_save = -1;
475 if ((kcontrol->private_value & (1<<25)) &&
476 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
477 (reg >= 0x60 && reg < 0x70)) {
478 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
62932df8 479 mutex_lock(&ac97->page_mutex); /* lock paging */
1da177e4
LT		 480 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
481 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
482 }
483 return page_save;
484}
485
ee42381e 486static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
1da177e4
LT		 487{
488 if (page_save >= 0) {
489 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
62932df8 490 mutex_unlock(&ac97->page_mutex); /* unlock paging */
1da177e4
LT		 491 }
492}
493
494/* volume and switch controls */
ee42381e 495int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 496{
497 int mask = (kcontrol->private_value >> 16) & 0xff;
498 int shift = (kcontrol->private_value >> 8) & 0x0f;
499 int rshift = (kcontrol->private_value >> 12) & 0x0f;
500
501 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
502 uinfo->count = shift == rshift ? 1 : 2;
503 uinfo->value.integer.min = 0;
504 uinfo->value.integer.max = mask;
505 return 0;
506}
507
ee42381e 508int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 509{
ee42381e 510 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 511 int reg = kcontrol->private_value & 0xff;
512 int shift = (kcontrol->private_value >> 8) & 0x0f;
513 int rshift = (kcontrol->private_value >> 12) & 0x0f;
514 int mask = (kcontrol->private_value >> 16) & 0xff;
515 int invert = (kcontrol->private_value >> 24) & 0x01;
516 int page_save;
517
518 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
519 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
520 if (shift != rshift)
521 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
522 if (invert) {
523 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
524 if (shift != rshift)
525 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
526 }
527 snd_ac97_page_restore(ac97, page_save);
528 return 0;
529}
530
ee42381e 531int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 532{
ee42381e 533 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 534 int reg = kcontrol->private_value & 0xff;
535 int shift = (kcontrol->private_value >> 8) & 0x0f;
536 int rshift = (kcontrol->private_value >> 12) & 0x0f;
537 int mask = (kcontrol->private_value >> 16) & 0xff;
538 int invert = (kcontrol->private_value >> 24) & 0x01;
539 int err, page_save;
540 unsigned short val, val2, val_mask;
541
542 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
543 val = (ucontrol->value.integer.value[0] & mask);
544 if (invert)
545 val = mask - val;
546 val_mask = mask << shift;
547 val = val << shift;
548 if (shift != rshift) {
549 val2 = (ucontrol->value.integer.value[1] & mask);
550 if (invert)
551 val2 = mask - val2;
552 val_mask |= mask << rshift;
553 val |= val2 << rshift;
554 }
555 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
556 snd_ac97_page_restore(ac97, page_save);
557 return err;
558}
559
ee42381e 560static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
1da177e4
LT		 561AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
562AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
563};
564
ee42381e 565static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
1da177e4
LT		 566AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
567AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
568};
569
ee42381e 570static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
1da177e4
LT		 571AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
572AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
573};
574
ee42381e 575static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
d7f6f115 576 AC97_SINGLE("Mic Boost (+20dB) Switch", AC97_MIC, 6, 1, 0);
1da177e4
LT		 577
578
579static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
580static const char* std_3d_path[] = {"pre 3D", "post 3D"};
581static const char* std_mix[] = {"Mix", "Mic"};
582static const char* std_mic[] = {"Mic1", "Mic2"};
583
584static const struct ac97_enum std_enum[] = {
585AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
586AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
587AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
588AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
589};
590
ee42381e 591static const struct snd_kcontrol_new snd_ac97_control_capture_src =
1da177e4
LT		 592AC97_ENUM("Capture Source", std_enum[0]);
593
ee42381e 594static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
1da177e4
LT		 595AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
596
ee42381e 597static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
1da177e4
LT		 598AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
599AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
600};
601
ee42381e 602enum {
1da177e4
LT		 603 AC97_GENERAL_PCM_OUT = 0,
604 AC97_GENERAL_STEREO_ENHANCEMENT,
605 AC97_GENERAL_3D,
606 AC97_GENERAL_LOUDNESS,
607 AC97_GENERAL_MONO,
608 AC97_GENERAL_MIC,
609 AC97_GENERAL_LOOPBACK
ee42381e 610};
1da177e4 611
ee42381e 612static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
1da177e4
LT		 613AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
614AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
615AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
616AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
617AC97_ENUM("Mono Output Select", std_enum[2]),
21fdddea 618AC97_ENUM("Mic Select Capture Switch", std_enum[3]),
1da177e4
LT		 619AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
620};
621
ee42381e 622const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
1da177e4
LT		 623AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
624AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
625};
626
ee42381e 627static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
1da177e4
LT		 628AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
629AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
630};
631
ee42381e 632static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
1da177e4
LT		 633AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
634AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
635};
636
ee42381e 637static const struct snd_kcontrol_new snd_ac97_control_eapd =
1da177e4
LT		 638AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
639
ee42381e 640static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
87d61c29
SK		 641AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
642AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
643};
644
1da177e4 645/* change the existing EAPD control as inverted */
ee42381e 646static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
1da177e4
LT		 647{
648 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
649 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
650 ac97->scaps |= AC97_SCAP_INV_EAPD;
651}
652
ee42381e 653static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 654{
655 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
656 uinfo->count = 1;
657 return 0;
658}
659
ee42381e 660static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 661{
662 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
663 IEC958_AES0_NONAUDIO |
664 IEC958_AES0_CON_EMPHASIS_5015 |
665 IEC958_AES0_CON_NOT_COPYRIGHT;
666 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
667 IEC958_AES1_CON_ORIGINAL;
668 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
669 return 0;
670}
671
ee42381e 672static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 673{
674 /* FIXME: AC'97 spec doesn't say which bits are used for what */
675 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
676 IEC958_AES0_NONAUDIO |
677 IEC958_AES0_PRO_FS |
678 IEC958_AES0_PRO_EMPHASIS_5015;
679 return 0;
680}
681
ee42381e 682static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 683{
ee42381e 684 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 685
62932df8 686 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 687 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
688 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
689 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
690 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
62932df8 691 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 692 return 0;
693}
694
ee42381e 695static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 696{
ee42381e 697 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 698 unsigned int new = 0;
699 unsigned short val = 0;
700 int change;
701
702 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
703 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
704 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
705 switch (new & IEC958_AES0_PRO_FS) {
706 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
707 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
708 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
709 default: val |= 1<<12; break;
710 }
711 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
712 val |= 1<<3;
713 } else {
714 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
715 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
716 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
717 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
718 val |= 1<<3;
719 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
720 val |= 1<<2;
721 val |= ((new >> 8) & 0xff) << 4; // category + original
722 switch ((new >> 24) & 0xff) {
723 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
724 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
725 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
726 default: val |= 1<<12; break;
727 }
728 }
729
62932df8 730 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 731 change = ac97->spdif_status != new;
732 ac97->spdif_status = new;
733
734 if (ac97->flags & AC97_CS_SPDIF) {
735 int x = (val >> 12) & 0x03;
736 switch (x) {
737 case 0: x = 1; break; // 44.1
738 case 2: x = 0; break; // 48.0
739 default: x = 0; break; // illegal.
740 }
741 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
742 } else if (ac97->flags & AC97_CX_SPDIF) {
743 int v;
744 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
745 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
746 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
747 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
748 v);
749 } else {
750 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
751 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
752
753 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
754 if (extst & AC97_EA_SPDIF) {
755 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
756 }
757 }
62932df8 758 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 759
760 return change;
761}
762
ee42381e 763static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 764{
ee42381e 765 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 766 int reg = kcontrol->private_value & 0xff;
767 int shift = (kcontrol->private_value >> 8) & 0xff;
768 int mask = (kcontrol->private_value >> 16) & 0xff;
769 // int invert = (kcontrol->private_value >> 24) & 0xff;
770 unsigned short value, old, new;
771 int change;
772
773 value = (ucontrol->value.integer.value[0] & mask);
774
62932df8 775 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 776 mask <<= shift;
777 value <<= shift;
778 old = snd_ac97_read_cache(ac97, reg);
779 new = (old & ~mask) | value;
780 change = old != new;
781
782 if (change) {
783 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
784 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
785 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
786 if (extst & AC97_EA_SPDIF)
787 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
788 }
62932df8 789 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 790 return change;
791}
792
ee42381e 793const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
1da177e4
LT		 794 {
795 .access = SNDRV_CTL_ELEM_ACCESS_READ,
796 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
797 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
798 .info = snd_ac97_spdif_mask_info,
799 .get = snd_ac97_spdif_cmask_get,
800 },
801 {
802 .access = SNDRV_CTL_ELEM_ACCESS_READ,
803 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
804 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
805 .info = snd_ac97_spdif_mask_info,
806 .get = snd_ac97_spdif_pmask_get,
807 },
808 {
809 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
810 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
811 .info = snd_ac97_spdif_mask_info,
812 .get = snd_ac97_spdif_default_get,
813 .put = snd_ac97_spdif_default_put,
814 },
815
816 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
817 {
818 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
819 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
820 .info = snd_ac97_info_volsw,
821 .get = snd_ac97_get_volsw,
822 .put = snd_ac97_put_spsa,
823 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
824 },
825};
826
827#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
828{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
829 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
830 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
831
ee42381e 832static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4 833{
ee42381e 834 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 835 int mask = (kcontrol->private_value >> 16) & 0x0f;
836 int lshift = (kcontrol->private_value >> 8) & 0x0f;
837 int rshift = (kcontrol->private_value >> 12) & 0x0f;
838
839 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
840 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
841 uinfo->count = 2;
842 else
843 uinfo->count = 1;
844 uinfo->value.integer.min = 0;
845 uinfo->value.integer.max = mask;
846 return 0;
847}
848
ee42381e 849static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 850{
ee42381e 851 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 852 int codec = kcontrol->private_value & 3;
853 int lshift = (kcontrol->private_value >> 8) & 0x0f;
854 int rshift = (kcontrol->private_value >> 12) & 0x0f;
855 int mask = (kcontrol->private_value >> 16) & 0xff;
856
857 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
858 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
859 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
860 return 0;
861}
862
ee42381e 863static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 864{
ee42381e 865 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 866 int codec = kcontrol->private_value & 3;
867 int lshift = (kcontrol->private_value >> 8) & 0x0f;
868 int rshift = (kcontrol->private_value >> 12) & 0x0f;
869 int mask = (kcontrol->private_value >> 16) & 0xff;
870 unsigned short val, valmask;
871
872 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
873 valmask = mask << lshift;
874 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
875 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
876 valmask |= mask << rshift;
877 }
878 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
879}
880
881#define AD18XX_PCM_VOLUME(xname, codec) \
882{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
883 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
884 .private_value = codec }
885
ee42381e 886static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 887{
888 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
889 uinfo->count = 2;
890 uinfo->value.integer.min = 0;
891 uinfo->value.integer.max = 31;
892 return 0;
893}
894
ee42381e 895static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 896{
ee42381e 897 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 898 int codec = kcontrol->private_value & 3;
899
62932df8 900 mutex_lock(&ac97->page_mutex);
1da177e4
LT		 901 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
902 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
62932df8 903 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 904 return 0;
905}
906
ee42381e 907static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 908{
ee42381e 909 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 910 int codec = kcontrol->private_value & 3;
911 unsigned short val1, val2;
912
913 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
914 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
915 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
916}
917
ee42381e 918static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
1da177e4
LT		 919AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
920AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
921};
922
ee42381e 923static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
1da177e4
LT		 924AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
925AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
926};
927
ee42381e 928static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
1da177e4
LT		 929AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
930AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
931};
932
ee42381e 933static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
1da177e4
LT		 934AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
935AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
936};
937
938/*
939 *
940 */
941
ee42381e 942static void snd_ac97_powerdown(struct snd_ac97 *ac97);
1da177e4 943
ee42381e 944static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
1da177e4
LT		 945{
946 if (bus) {
947 snd_ac97_bus_proc_done(bus);
948 kfree(bus->pcms);
949 if (bus->private_free)
950 bus->private_free(bus);
951 kfree(bus);
952 }
953 return 0;
954}
955
ee42381e 956static int snd_ac97_bus_dev_free(struct snd_device *device)
1da177e4 957{
ee42381e 958 struct snd_ac97_bus *bus = device->device_data;
1da177e4
LT		 959 return snd_ac97_bus_free(bus);
960}
961
ee42381e 962static int snd_ac97_free(struct snd_ac97 *ac97)
1da177e4
LT		 963{
964 if (ac97) {
965 snd_ac97_proc_done(ac97);
2ba71978 966 if (ac97->bus)
1da177e4 967 ac97->bus->codec[ac97->num] = NULL;
1da177e4
LT		 968 if (ac97->private_free)
969 ac97->private_free(ac97);
970 kfree(ac97);
971 }
972 return 0;
973}
974
ee42381e 975static int snd_ac97_dev_free(struct snd_device *device)
1da177e4 976{
ee42381e 977 struct snd_ac97 *ac97 = device->device_data;
1da177e4
LT		 978 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
979 return snd_ac97_free(ac97);
980}
981
ee42381e 982static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1da177e4
LT		 983{
984 unsigned short val, mask = 0x8000;
985
986 if (! snd_ac97_valid_reg(ac97, reg))
987 return 0;
988
989 switch (reg) {
990 case AC97_MASTER_TONE:
991 return ac97->caps & 0x04 ? 1 : 0;
992 case AC97_HEADPHONE:
993 return ac97->caps & 0x10 ? 1 : 0;
994 case AC97_REC_GAIN_MIC:
995 return ac97->caps & 0x01 ? 1 : 0;
996 case AC97_3D_CONTROL:
997 if (ac97->caps & 0x7c00) {
998 val = snd_ac97_read(ac97, reg);
999 /* if nonzero - fixed and we can't set it */
1000 return val == 0;
1001 }
1002 return 0;
1003 case AC97_CENTER_LFE_MASTER: /* center */
1004 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1005 return 0;
1006 break;
1007 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1008 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1009 return 0;
1010 reg = AC97_CENTER_LFE_MASTER;
1011 mask = 0x0080;
1012 break;
1013 case AC97_SURROUND_MASTER:
1014 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1015 return 0;
1016 break;
1017 }
1018
1da177e4
LT		 1019 val = snd_ac97_read(ac97, reg);
1020 if (!(val & mask)) {
1021 /* nothing seems to be here - mute flag is not set */
1022 /* try another test */
1023 snd_ac97_write_cache(ac97, reg, val | mask);
1024 val = snd_ac97_read(ac97, reg);
ee42381e 1025 val = snd_ac97_read(ac97, reg);
1da177e4
LT		 1026 if (!(val & mask))
1027 return 0; /* nothing here */
1028 }
1029 return 1; /* success, useable */
1030}
1031
ee42381e 1032static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1da177e4
LT		 1033{
1034 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1035 unsigned char max[3] = { 63, 31, 15 };
1036 int i;
1037
50dabc2d
TI		 1038 /* first look up the static resolution table */
1039 if (ac97->res_table) {
1040 const struct snd_ac97_res_table *tbl;
1041 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1042 if (tbl->reg == reg) {
1043 *lo_max = tbl->bits & 0xff;
1044 *hi_max = (tbl->bits >> 8) & 0xff;
1045 return;
1046 }
1047 }
1048 }
1049
1da177e4
LT		 1050 *lo_max = *hi_max = 0;
1051 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1052 unsigned short val;
1053 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
c9eab129
JCD		 1054 /* Do the read twice due to buffers on some ac97 codecs.
1055 * e.g. The STAC9704 returns exactly what you wrote the the register
1056 * if you read it immediately. This causes the detect routine to fail.
1057 */
1058 val = snd_ac97_read(ac97, reg);
1da177e4 1059 val = snd_ac97_read(ac97, reg);
a2142674 1060 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1061 *lo_max = max[i];
a2142674 1062 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1063 *hi_max = max[i];
1064 if (*lo_max && *hi_max)
1065 break;
1066 }
1067}
1068
ee42381e 1069int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1da177e4
LT		 1070{
1071 unsigned short mask, val, orig, res;
1072
1073 mask = 1 << bit;
1074 orig = snd_ac97_read(ac97, reg);
1075 val = orig ^ mask;
1076 snd_ac97_write(ac97, reg, val);
1077 res = snd_ac97_read(ac97, reg);
1078 snd_ac97_write_cache(ac97, reg, orig);
1079 return res == val;
1080}
1081
1082/* check the volume resolution of center/lfe */
ee42381e 1083static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1da177e4
LT		 1084{
1085 unsigned short val, val1;
1086
1087 *max = 63;
1088 val = 0x8080 | (0x20 << shift);
1089 snd_ac97_write(ac97, reg, val);
1090 val1 = snd_ac97_read(ac97, reg);
1091 if (val != val1) {
1092 *max = 31;
1093 }
1094 /* reset volume to zero */
1095 snd_ac97_write_cache(ac97, reg, 0x8080);
1096}
1097
1098static inline int printable(unsigned int x)
1099{
1100 x &= 0xff;
1101 if (x < ' ' || x >= 0x71) {
1102 if (x <= 0x89)
1103 return x - 0x71 + 'A';
1104 return '?';
1105 }
1106 return x;
1107}
1108
ee42381e 1109struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1da177e4 1110{
ee42381e 1111 struct snd_kcontrol_new template;
1da177e4 1112 memcpy(&template, _template, sizeof(template));
1da177e4
LT		 1113 template.index = ac97->num;
1114 return snd_ctl_new1(&template, ac97);
1115}
1116
1117/*
1118 * create mute switch(es) for normal stereo controls
1119 */
ee42381e 1120static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, int check_stereo, struct snd_ac97 *ac97)
1da177e4 1121{
ee42381e 1122 struct snd_kcontrol *kctl;
1da177e4
LT		 1123 int err;
1124 unsigned short val, val1, mute_mask;
1125
1126 if (! snd_ac97_valid_reg(ac97, reg))
1127 return 0;
1128
1129 mute_mask = 0x8000;
1130 val = snd_ac97_read(ac97, reg);
1131 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1132 /* check whether both mute bits work */
1133 val1 = val | 0x8080;
1134 snd_ac97_write(ac97, reg, val1);
1135 if (val1 == snd_ac97_read(ac97, reg))
1136 mute_mask = 0x8080;
1137 }
1138 if (mute_mask == 0x8080) {
ee42381e 1139 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1da177e4
LT		 1140 tmp.index = ac97->num;
1141 kctl = snd_ctl_new1(&tmp, ac97);
1142 } else {
ee42381e 1143 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1da177e4
LT		 1144 tmp.index = ac97->num;
1145 kctl = snd_ctl_new1(&tmp, ac97);
1146 }
1147 err = snd_ctl_add(card, kctl);
1148 if (err < 0)
1149 return err;
1150 /* mute as default */
1151 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1152 return 0;
1153}
1154
1155/*
1156 * create a volume for normal stereo/mono controls
1157 */
ee42381e
TI		 1158static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1159 unsigned int hi_max, struct snd_ac97 *ac97)
1da177e4
LT		 1160{
1161 int err;
ee42381e 1162 struct snd_kcontrol *kctl;
1da177e4
LT		 1163
1164 if (! snd_ac97_valid_reg(ac97, reg))
1165 return 0;
1166 if (hi_max) {
1167 /* invert */
ee42381e 1168 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1da177e4
LT		 1169 tmp.index = ac97->num;
1170 kctl = snd_ctl_new1(&tmp, ac97);
1171 } else {
1172 /* invert */
ee42381e 1173 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1da177e4
LT		 1174 tmp.index = ac97->num;
1175 kctl = snd_ctl_new1(&tmp, ac97);
1176 }
1177 err = snd_ctl_add(card, kctl);
1178 if (err < 0)
1179 return err;
1180 snd_ac97_write_cache(ac97, reg,
1181 (snd_ac97_read(ac97, reg) & 0x8080) |
1182 lo_max | (hi_max << 8));
1183 return 0;
1184}
1185
1186/*
1187 * create a mute-switch and a volume for normal stereo/mono controls
1188 */
ee42381e 1189static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, int reg, int check_stereo, struct snd_ac97 *ac97)
1da177e4
LT		 1190{
1191 int err;
1192 char name[44];
1193 unsigned char lo_max, hi_max;
1194
1195 if (! snd_ac97_valid_reg(ac97, reg))
1196 return 0;
1197
1198 if (snd_ac97_try_bit(ac97, reg, 15)) {
1199 sprintf(name, "%s Switch", pfx);
1200 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1201 return err;
1202 }
1203 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1204 if (lo_max) {
1205 sprintf(name, "%s Volume", pfx);
1206 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1207 return err;
1208 }
1209 return 0;
1210}
1211
1212#define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1213#define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1214
ee42381e 1215static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1da177e4 1216
ee42381e 1217static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1da177e4 1218{
ee42381e
TI		 1219 struct snd_card *card = ac97->bus->card;
1220 struct snd_kcontrol *kctl;
1da177e4
LT		 1221 int err;
1222 unsigned int idx;
1223 unsigned char max;
1224
1225 /* build master controls */
1226 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1227 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1228 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1229 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1230 else
1231 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1232 if (err < 0)
1233 return err;
1234 }
1235
1236 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1237
1238 /* build center controls */
70c5acbd
JK		 1239 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1240 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4
LT		 1241 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1242 return err;
1243 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1244 return err;
1245 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1246 kctl->private_value &= ~(0xff << 16);
1247 kctl->private_value |= (int)max << 16;
1248 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1249 }
1250
1251 /* build LFE controls */
70c5acbd
JK		 1252 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1253 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4
LT		 1254 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1255 return err;
1256 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1257 return err;
1258 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1259 kctl->private_value &= ~(0xff << 16);
1260 kctl->private_value |= (int)max << 16;
1261 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1262 }
1263
1264 /* build surround controls */
70c5acbd
JK		 1265 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1266 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4
LT		 1267 /* Surround Master (0x38) is with stereo mutes */
1268 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1269 return err;
1270 }
1271
1272 /* build headphone controls */
1273 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1274 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1275 return err;
1276 }
1277
1278 /* build master mono controls */
1279 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1280 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1281 return err;
1282 }
1283
1284 /* build master tone controls */
3998b70f
LG		 1285 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1286 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1287 for (idx = 0; idx < 2; idx++) {
1288 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1289 return err;
1290 if (ac97->id == AC97_ID_YMF753) {
1291 kctl->private_value &= ~(0xff << 16);
1292 kctl->private_value |= 7 << 16;
1293 }
1da177e4 1294 }
3998b70f 1295 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1da177e4 1296 }
1da177e4
LT		 1297 }
1298
1299 /* build PC Speaker controls */
1300 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1301 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1302 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1303 for (idx = 0; idx < 2; idx++)
1304 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1305 return err;
1306 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1307 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1308 }
1309
1310 /* build Phone controls */
1311 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1312 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1313 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1314 return err;
1315 }
1316 }
1317
1318 /* build MIC controls */
3998b70f
LG		 1319 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1320 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1321 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1322 return err;
1323 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1324 return err;
1325 }
1da177e4
LT		 1326 }
1327
1328 /* build Line controls */
1329 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1330 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1331 return err;
1332 }
1333
1334 /* build CD controls */
1335 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1336 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1337 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1338 return err;
1339 }
1340 }
1341
1342 /* build Video controls */
1343 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1344 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1345 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1346 return err;
1347 }
1348 }
1349
1350 /* build Aux controls */
1351 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1352 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1353 return err;
1354 }
1355
1356 /* build PCM controls */
1357 if (ac97->flags & AC97_AD_MULTI) {
1358 unsigned short init_val;
1359 if (ac97->flags & AC97_STEREO_MUTES)
1360 init_val = 0x9f9f;
1361 else
1362 init_val = 0x9f1f;
1363 for (idx = 0; idx < 2; idx++)
1364 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1365 return err;
1366 ac97->spec.ad18xx.pcmreg[0] = init_val;
1367 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1368 for (idx = 0; idx < 2; idx++)
1369 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1370 return err;
1371 ac97->spec.ad18xx.pcmreg[1] = init_val;
1372 }
1373 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1374 for (idx = 0; idx < 2; idx++)
1375 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1376 return err;
1377 for (idx = 0; idx < 2; idx++)
1378 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1379 return err;
1380 ac97->spec.ad18xx.pcmreg[2] = init_val;
1381 }
1382 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1383 } else {
3998b70f
LG		 1384 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1385 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1386 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1387 else
1388 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1389 if (err < 0)
1390 return err;
1391 }
1da177e4
LT		 1392 }
1393
1394 /* build Capture controls */
1395 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1396 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1397 return err;
1398 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1399 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1400 return err;
1401 }
1402 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1403 return err;
1404 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1405 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1406 }
1407 /* build MIC Capture controls */
1408 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1409 for (idx = 0; idx < 2; idx++)
1410 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1411 return err;
1412 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1413 }
1414
1415 /* build PCM out path & mute control */
1416 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1417 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1418 return err;
1419 }
1420
1421 /* build Simulated Stereo Enhancement control */
1422 if (ac97->caps & 0x0008) {
1423 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1424 return err;
1425 }
1426
1427 /* build 3D Stereo Enhancement control */
1428 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1429 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1430 return err;
1431 }
1432
1433 /* build Loudness control */
1434 if (ac97->caps & 0x0020) {
1435 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1436 return err;
1437 }
1438
1439 /* build Mono output select control */
1440 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1441 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1442 return err;
1443 }
1444
1445 /* build Mic select control */
1446 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1447 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1448 return err;
1449 }
1450
1451 /* build ADC/DAC loopback control */
1452 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1453 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1454 return err;
1455 }
1456
1457 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1458
1459 /* build 3D controls */
1460 if (ac97->build_ops->build_3d) {
1461 ac97->build_ops->build_3d(ac97);
1462 } else {
1463 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1464 unsigned short val;
1465 val = 0x0707;
1466 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1467 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1468 val = val == 0x0606;
1469 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1470 return err;
1471 if (val)
1472 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1473 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1474 return err;
1475 if (val)
1476 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1477 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1478 }
1479 }
1480
1481 /* build S/PDIF controls */
1482 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1483 if (ac97->build_ops->build_spdif) {
1484 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1485 return err;
1486 } else {
1487 for (idx = 0; idx < 5; idx++)
1488 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1489 return err;
1490 if (ac97->build_ops->build_post_spdif) {
1491 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1492 return err;
1493 }
1494 /* set default PCM S/PDIF params */
1495 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1496 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1497 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1498 }
1499 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1500 }
1501
1502 /* build chip specific controls */
1503 if (ac97->build_ops->build_specific)
1504 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1505 return err;
1506
1507 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1508 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1509 if (! kctl)
1510 return -ENOMEM;
1511 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1512 set_inv_eapd(ac97, kctl);
1513 if ((err = snd_ctl_add(card, kctl)) < 0)
1514 return err;
1515 }
1516
1517 return 0;
1518}
1519
ee42381e 1520static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1da177e4 1521{
87d61c29
SK		 1522 int err, idx;
1523
1da177e4
LT		 1524 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1525 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1526 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1527 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1528 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1529 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1530
1531 /* build modem switches */
1532 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
0444e2ac 1533 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
87d61c29
SK		 1534 return err;
1535
1536 /* build chip specific controls */
1537 if (ac97->build_ops->build_specific)
1538 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1539 return err;
1540
1da177e4
LT		 1541 return 0;
1542}
1543
ee42381e 1544static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1da177e4
LT		 1545{
1546 unsigned short val;
1547 unsigned int tmp;
1548
1549 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1550 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1551 if (shadow_reg)
1552 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1553 val = snd_ac97_read(ac97, reg);
1554 return val == (tmp & 0xffff);
1555}
1556
ee42381e 1557static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1da177e4
LT		 1558{
1559 unsigned int result = 0;
1560 unsigned short saved;
1561
1562 if (ac97->bus->no_vra) {
1563 *r_result = SNDRV_PCM_RATE_48000;
1564 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1565 reg == AC97_PCM_FRONT_DAC_RATE)
1566 *r_result |= SNDRV_PCM_RATE_96000;
1567 return;
1568 }
1569
1570 saved = snd_ac97_read(ac97, reg);
1571 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1572 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1573 AC97_EA_DRA, 0);
1574 /* test a non-standard rate */
1575 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1576 result |= SNDRV_PCM_RATE_CONTINUOUS;
1577 /* let's try to obtain standard rates */
1578 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1579 result |= SNDRV_PCM_RATE_8000;
1580 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1581 result |= SNDRV_PCM_RATE_11025;
1582 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1583 result |= SNDRV_PCM_RATE_16000;
1584 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1585 result |= SNDRV_PCM_RATE_22050;
1586 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1587 result |= SNDRV_PCM_RATE_32000;
1588 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1589 result |= SNDRV_PCM_RATE_44100;
1590 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1591 result |= SNDRV_PCM_RATE_48000;
1592 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1593 reg == AC97_PCM_FRONT_DAC_RATE) {
1594 /* test standard double rates */
1595 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1596 AC97_EA_DRA, AC97_EA_DRA);
1597 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1598 result |= SNDRV_PCM_RATE_64000;
1599 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1600 result |= SNDRV_PCM_RATE_88200;
1601 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1602 result |= SNDRV_PCM_RATE_96000;
1603 /* some codecs don't support variable double rates */
1604 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1605 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1606 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1607 AC97_EA_DRA, 0);
1608 }
1609 /* restore the default value */
1610 snd_ac97_write_cache(ac97, reg, saved);
1611 if (shadow_reg)
1612 snd_ac97_write_cache(ac97, shadow_reg, saved);
1613 *r_result = result;
1614}
1615
1616/* check AC97_SPDIF register to accept which sample rates */
ee42381e 1617static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1da177e4
LT		 1618{
1619 unsigned int result = 0;
1620 int i;
1621 static unsigned short ctl_bits[] = {
1622 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1623 };
1624 static unsigned int rate_bits[] = {
1625 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1626 };
1627
1628 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1629 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1630 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1631 result |= rate_bits[i];
1632 }
1633 return result;
1634}
1635
1636/* look for the codec id table matching with the given id */
ee42381e
TI		 1637static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1638 unsigned int id)
1da177e4 1639{
ee42381e 1640 const struct ac97_codec_id *pid;
1da177e4
LT		 1641
1642 for (pid = table; pid->id; pid++)
1643 if (pid->id == (id & pid->mask))
1644 return pid;
1645 return NULL;
1646}
1647
ee42381e 1648void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1da177e4 1649{
ee42381e 1650 const struct ac97_codec_id *pid;
1da177e4
LT		 1651
1652 sprintf(name, "0x%x %c%c%c", id,
1653 printable(id >> 24),
1654 printable(id >> 16),
1655 printable(id >> 8));
1656 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1657 if (! pid)
1658 return;
1659
1660 strcpy(name, pid->name);
1661 if (ac97 && pid->patch) {
1662 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1663 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1664 pid->patch(ac97);
1665 }
1666
1667 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1668 if (pid) {
1669 strcat(name, " ");
1670 strcat(name, pid->name);
1671 if (pid->mask != 0xffffffff)
1672 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1673 if (ac97 && pid->patch) {
1674 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1675 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1676 pid->patch(ac97);
1677 }
1678 } else
1679 sprintf(name + strlen(name), " id %x", id & 0xff);
1680}
1681
1682/**
1683 * snd_ac97_get_short_name - retrieve codec name
1684 * @ac97: the codec instance
1685 *
1686 * Returns the short identifying name of the codec.
1687 */
ee42381e 1688const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1da177e4 1689{
ee42381e 1690 const struct ac97_codec_id *pid;
1da177e4
LT		 1691
1692 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1693 if (pid->id == (ac97->id & pid->mask))
1694 return pid->name;
1695 return "unknown codec";
1696}
1697
7b09679c 1698EXPORT_SYMBOL(snd_ac97_get_short_name);
1da177e4
LT		 1699
1700/* wait for a while until registers are accessible after RESET
1701 * return 0 if ok, negative not ready
1702 */
ee42381e 1703static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1da177e4
LT		 1704{
1705 unsigned long end_time;
1706 unsigned short val;
1707
1708 end_time = jiffies + timeout;
1709 do {
1710
1711 /* use preliminary reads to settle the communication */
1712 snd_ac97_read(ac97, AC97_RESET);
1713 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1714 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1715 /* modem? */
1716 if (with_modem) {
1717 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1718 if (val != 0xffff && (val & 1) != 0)
1719 return 0;
1720 }
1721 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1722 /* probably only Xbox issue - all registers are read as zero */
1723 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1724 if (val != 0 && val != 0xffff)
1725 return 0;
1726 } else {
1727 /* because the PCM or MASTER volume registers can be modified,
1728 * the REC_GAIN register is used for tests
1729 */
1730 /* test if we can write to the record gain volume register */
1731 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1732 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1733 return 0;
1734 }
8433a509 1735 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1736 } while (time_after_eq(end_time, jiffies));
1737 return -ENODEV;
1738}
1739
1740/**
1741 * snd_ac97_bus - create an AC97 bus component
1742 * @card: the card instance
1743 * @num: the bus number
1744 * @ops: the bus callbacks table
1745 * @private_data: private data pointer for the new instance
1746 * @rbus: the pointer to store the new AC97 bus instance.
1747 *
ee42381e 1748 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1da177e4
LT		 1749 * allocated and initialized.
1750 *
1751 * The ops table must include valid callbacks (at least read and
1752 * write). The other callbacks, wait and reset, are not mandatory.
1753 *
1754 * The clock is set to 48000. If another clock is needed, set
1755 * (*rbus)->clock manually.
1756 *
1757 * The AC97 bus instance is registered as a low-level device, so you don't
1758 * have to release it manually.
1759 *
1760 * Returns zero if successful, or a negative error code on failure.
1761 */
ee42381e
TI		 1762int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1763 void *private_data, struct snd_ac97_bus **rbus)
1da177e4
LT		 1764{
1765 int err;
ee42381e
TI		 1766 struct snd_ac97_bus *bus;
1767 static struct snd_device_ops dev_ops = {
1da177e4
LT		 1768 .dev_free = snd_ac97_bus_dev_free,
1769 };
1770
1771 snd_assert(card != NULL, return -EINVAL);
1772 snd_assert(rbus != NULL, return -EINVAL);
e560d8d8 1773 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 1774 if (bus == NULL)
1775 return -ENOMEM;
1776 bus->card = card;
1777 bus->num = num;
1778 bus->ops = ops;
1779 bus->private_data = private_data;
1780 bus->clock = 48000;
1781 spin_lock_init(&bus->bus_lock);
1782 snd_ac97_bus_proc_init(bus);
1783 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1784 snd_ac97_bus_free(bus);
1785 return err;
1786 }
1787 *rbus = bus;
1788 return 0;
1789}
1790
7b09679c
TI		 1791EXPORT_SYMBOL(snd_ac97_bus);
1792
0ca06a00
LG		 1793/* stop no dev release warning */
1794static void ac97_device_release(struct device * dev)
1795{
1796}
1797
1798/* register ac97 codec to bus */
ee42381e 1799static int snd_ac97_dev_register(struct snd_device *device)
0ca06a00 1800{
ee42381e 1801 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1802 int err;
1803
1804 ac97->dev.bus = &ac97_bus_type;
1805 ac97->dev.parent = ac97->bus->card->dev;
0ca06a00 1806 ac97->dev.release = ac97_device_release;
9398441e
TI		 1807 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1808 ac97->bus->card->number, ac97->num,
1809 snd_ac97_get_short_name(ac97));
0ca06a00
LG		 1810 if ((err = device_register(&ac97->dev)) < 0) {
1811 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1812 ac97->dev.bus = NULL;
1813 return err;
1814 }
1815 return 0;
1816}
1817
1818/* unregister ac97 codec */
ee42381e 1819static int snd_ac97_dev_unregister(struct snd_device *device)
0ca06a00 1820{
ee42381e 1821 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1822 if (ac97->dev.bus)
1823 device_unregister(&ac97->dev);
1824 return snd_ac97_free(ac97);
1825}
1826
1da177e4
LT		 1827/* build_ops to do nothing */
1828static struct snd_ac97_build_ops null_build_ops;
1829
1830/**
1831 * snd_ac97_mixer - create an Codec97 component
1832 * @bus: the AC97 bus which codec is attached to
1833 * @template: the template of ac97, including index, callbacks and
1834 * the private data.
1835 * @rac97: the pointer to store the new ac97 instance.
1836 *
ee42381e 1837 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1da177e4
LT		 1838 * allocated and initialized from the template. The codec
1839 * is then initialized by the standard procedure.
1840 *
1841 * The template must include the codec number (num) and address (addr),
1842 * and the private data (private_data).
1843 *
1844 * The ac97 instance is registered as a low-level device, so you don't
1845 * have to release it manually.
1846 *
1847 * Returns zero if successful, or a negative error code on failure.
1848 */
ee42381e 1849int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1da177e4
LT		 1850{
1851 int err;
ee42381e
TI		 1852 struct snd_ac97 *ac97;
1853 struct snd_card *card;
1da177e4
LT		 1854 char name[64];
1855 unsigned long end_time;
1856 unsigned int reg;
ee42381e
TI		 1857 const struct ac97_codec_id *pid;
1858 static struct snd_device_ops ops = {
1da177e4 1859 .dev_free = snd_ac97_dev_free,
0ca06a00
LG		 1860 .dev_register = snd_ac97_dev_register,
1861 .dev_unregister = snd_ac97_dev_unregister,
1da177e4
LT		 1862 };
1863
1864 snd_assert(rac97 != NULL, return -EINVAL);
1865 *rac97 = NULL;
1866 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1867 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1868
1da177e4 1869 card = bus->card;
e560d8d8 1870 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1da177e4
LT		 1871 if (ac97 == NULL)
1872 return -ENOMEM;
1873 ac97->private_data = template->private_data;
1874 ac97->private_free = template->private_free;
1875 ac97->bus = bus;
1876 ac97->pci = template->pci;
1877 ac97->num = template->num;
1878 ac97->addr = template->addr;
1879 ac97->scaps = template->scaps;
7c5706bb 1880 ac97->res_table = template->res_table;
1da177e4 1881 bus->codec[ac97->num] = ac97;
62932df8
IM		 1882 mutex_init(&ac97->reg_mutex);
1883 mutex_init(&ac97->page_mutex);
1da177e4 1884
adf1b3d2 1885#ifdef CONFIG_PCI
1da177e4
LT		 1886 if (ac97->pci) {
1887 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1888 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1889 }
adf1b3d2 1890#endif
1da177e4
LT		 1891 if (bus->ops->reset) {
1892 bus->ops->reset(ac97);
1893 goto __access_ok;
1894 }
1895
1896 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1897 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1898 if (ac97->id && ac97->id != (unsigned int)-1) {
1899 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1900 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1901 goto __access_ok;
1902 }
1903
23fea4da
SK		 1904 /* reset to defaults */
1905 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1906 snd_ac97_write(ac97, AC97_RESET, 0);
1907 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1908 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 1909 if (bus->ops->wait)
1910 bus->ops->wait(ac97);
1911 else {
1912 udelay(50);
1913 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1914 err = ac97_reset_wait(ac97, HZ/2, 1);
1915 else {
1916 err = ac97_reset_wait(ac97, HZ/2, 0);
1917 if (err < 0)
1918 err = ac97_reset_wait(ac97, HZ/2, 1);
1919 }
1920 if (err < 0) {
1921 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1922 /* proceed anyway - it's often non-critical */
1923 }
1924 }
1925 __access_ok:
1926 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1927 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1928 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1929 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1930 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1931 snd_ac97_free(ac97);
1932 return -EIO;
1933 }
1934 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1935 if (pid)
1936 ac97->flags |= pid->flags;
1937
1938 /* test for AC'97 */
1939 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1940 /* test if we can write to the record gain volume register */
1941 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1942 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1943 ac97->scaps |= AC97_SCAP_AUDIO;
1944 }
1945 if (ac97->scaps & AC97_SCAP_AUDIO) {
1946 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1947 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1948 if (ac97->ext_id == 0xffff) /* invalid combination */
1949 ac97->ext_id = 0;
1950 }
1951
1952 /* test for MC'97 */
1953 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1954 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1955 if (ac97->ext_mid == 0xffff) /* invalid combination */
1956 ac97->ext_mid = 0;
1957 if (ac97->ext_mid & 1)
1958 ac97->scaps |= AC97_SCAP_MODEM;
1959 }
1960
1961 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1962 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1963 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1964 snd_ac97_free(ac97);
1965 return -EACCES;
1966 }
1967
1968 if (bus->ops->reset) // FIXME: always skipping?
1969 goto __ready_ok;
1970
1971 /* FIXME: add powerdown control */
1972 if (ac97_is_audio(ac97)) {
1973 /* nothing should be in powerdown mode */
1974 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1975 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1976 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1977 udelay(100);
1978 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1979 }
1980 /* nothing should be in powerdown mode */
1981 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1982 end_time = jiffies + (HZ / 10);
1983 do {
1984 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1985 goto __ready_ok;
8433a509 1986 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1987 } while (time_after_eq(end_time, jiffies));
1988 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1989 }
1990
1991 /* FIXME: add powerdown control */
1992 if (ac97_is_modem(ac97)) {
1993 unsigned char tmp;
1994
1995 /* nothing should be in powerdown mode */
1996 /* note: it's important to set the rate at first */
1997 tmp = AC97_MEA_GPIO;
1998 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 1999 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 2000 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2001 }
2002 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 2003 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 2004 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2005 }
2006 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 2007 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 2008 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2009 }
8e8311b0 2010 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2011 udelay(100);
2012 /* nothing should be in powerdown mode */
8e8311b0 2013 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2014 end_time = jiffies + (HZ / 10);
2015 do {
2016 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2017 goto __ready_ok;
8433a509 2018 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2019 } while (time_after_eq(end_time, jiffies));
2020 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2021 }
2022
2023 __ready_ok:
2024 if (ac97_is_audio(ac97))
2025 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2026 else
2027 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2028 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2029 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2030 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2031 if (! bus->no_vra)
2032 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2033 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2034 }
2035 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2036 /* Intel controllers require double rate data to be put in
2037 * slots 7+8, so let's hope the codec supports it. */
2038 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2039 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2040 ac97->flags |= AC97_DOUBLE_RATE;
091e95ee
TI		 2041 /* restore to slots 10/11 to avoid the confliction with surrounds */
2042 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
1da177e4
LT		 2043 }
2044 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2045 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2046 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2047 } else {
2048 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2049 if (ac97->flags & AC97_DOUBLE_RATE)
2050 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2051 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2052 }
2053 if (ac97->ext_id & AC97_EI_SPDIF) {
2054 /* codec specific code (patch) should override these values */
2055 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2056 }
2057 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2058 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2059 } else {
2060 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2061 }
2062 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2063 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2064 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2065 }
2066 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2067 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2068 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2069 }
2070 /* additional initializations */
2071 if (bus->ops->init)
2072 bus->ops->init(ac97);
2073 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2074 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2075 if (! ac97->build_ops)
2076 ac97->build_ops = &null_build_ops;
2077
2078 if (ac97_is_audio(ac97)) {
2079 char comp[16];
2080 if (card->mixername[0] == '\0') {
2081 strcpy(card->mixername, name);
2082 } else {
2083 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2084 strcat(card->mixername, ",");
2085 strcat(card->mixername, name);
2086 }
2087 }
2088 sprintf(comp, "AC97a:%08x", ac97->id);
2089 if ((err = snd_component_add(card, comp)) < 0) {
2090 snd_ac97_free(ac97);
2091 return err;
2092 }
2093 if (snd_ac97_mixer_build(ac97) < 0) {
2094 snd_ac97_free(ac97);
2095 return -ENOMEM;
2096 }
2097 }
2098 if (ac97_is_modem(ac97)) {
2099 char comp[16];
2100 if (card->mixername[0] == '\0') {
2101 strcpy(card->mixername, name);
2102 } else {
2103 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2104 strcat(card->mixername, ",");
2105 strcat(card->mixername, name);
2106 }
2107 }
2108 sprintf(comp, "AC97m:%08x", ac97->id);
2109 if ((err = snd_component_add(card, comp)) < 0) {
2110 snd_ac97_free(ac97);
2111 return err;
2112 }
2113 if (snd_ac97_modem_build(card, ac97) < 0) {
2114 snd_ac97_free(ac97);
2115 return -ENOMEM;
2116 }
2117 }
2118 /* make sure the proper powerdown bits are cleared */
2ba71978 2119 if (ac97->scaps && ac97_is_audio(ac97)) {
1da177e4
LT		 2120 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2121 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2122 reg &= ~AC97_EA_PRJ;
2123 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2124 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2125 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2126 }
2127 snd_ac97_proc_init(ac97);
2128 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2129 snd_ac97_free(ac97);
2130 return err;
2131 }
2132 *rac97 = ac97;
1da177e4
LT		 2133 return 0;
2134}
2135
7b09679c 2136EXPORT_SYMBOL(snd_ac97_mixer);
1da177e4
LT		 2137
2138/*
2139 * Power down the chip.
2140 *
2141 * MASTER and HEADPHONE registers are muted but the register cache values
2142 * are not changed, so that the values can be restored in snd_ac97_resume().
2143 */
ee42381e 2144static void snd_ac97_powerdown(struct snd_ac97 *ac97)
1da177e4
LT		 2145{
2146 unsigned short power;
2147
2148 if (ac97_is_audio(ac97)) {
2149 /* some codecs have stereo mute bits */
2150 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2151 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2152 }
2153
2154 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2155 power |= 0x4000; /* Headphone amplifier powerdown */
2156 power |= 0x0300; /* ADC & DAC powerdown */
2157 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2158 udelay(100);
2159 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2160 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2161 udelay(100);
2162#if 0
2163 /* FIXME: this causes click noises on some boards at resume */
2164 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2165 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2166#endif
2167}
2168
2169
2170#ifdef CONFIG_PM
2171/**
2172 * snd_ac97_suspend - General suspend function for AC97 codec
2173 * @ac97: the ac97 instance
2174 *
2175 * Suspends the codec, power down the chip.
2176 */
ee42381e 2177void snd_ac97_suspend(struct snd_ac97 *ac97)
1da177e4 2178{
e26e7545
TI		 2179 if (! ac97)
2180 return;
1da177e4
LT		 2181 if (ac97->build_ops->suspend)
2182 ac97->build_ops->suspend(ac97);
2183 snd_ac97_powerdown(ac97);
2184}
2185
7b09679c
TI		 2186EXPORT_SYMBOL(snd_ac97_suspend);
2187
1da177e4
LT		 2188/*
2189 * restore ac97 status
2190 */
ee42381e 2191void snd_ac97_restore_status(struct snd_ac97 *ac97)
1da177e4
LT		 2192{
2193 int i;
2194
2195 for (i = 2; i < 0x7c ; i += 2) {
2196 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2197 continue;
2198 /* restore only accessible registers
2199 * some chip (e.g. nm256) may hang up when unsupported registers
2200 * are accessed..!
2201 */
2202 if (test_bit(i, ac97->reg_accessed)) {
2203 snd_ac97_write(ac97, i, ac97->regs[i]);
2204 snd_ac97_read(ac97, i);
2205 }
2206 }
2207}
2208
2209/*
2210 * restore IEC958 status
2211 */
ee42381e 2212void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
1da177e4
LT		 2213{
2214 if (ac97->ext_id & AC97_EI_SPDIF) {
2215 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2216 /* reset spdif status */
2217 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2218 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2219 if (ac97->flags & AC97_CS_SPDIF)
2220 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2221 else
2222 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2223 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2224 }
2225 }
2226}
2227
2228/**
2229 * snd_ac97_resume - General resume function for AC97 codec
2230 * @ac97: the ac97 instance
2231 *
2232 * Do the standard resume procedure, power up and restoring the
2233 * old register values.
2234 */
ee42381e 2235void snd_ac97_resume(struct snd_ac97 *ac97)
1da177e4 2236{
ef21ca24 2237 unsigned long end_time;
1da177e4 2238
e26e7545
TI		 2239 if (! ac97)
2240 return;
2241
1da177e4
LT		 2242 if (ac97->bus->ops->reset) {
2243 ac97->bus->ops->reset(ac97);
2244 goto __reset_ready;
2245 }
2246
2247 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2248 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2249 snd_ac97_write(ac97, AC97_RESET, 0);
2250 udelay(100);
2251 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2252 }
2253 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2254
2255 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2256 if (ac97_is_audio(ac97)) {
2257 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
ef21ca24
NA		 2258 end_time = jiffies + msecs_to_jiffies(100);
2259 do {
1da177e4
LT		 2260 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2261 break;
8433a509 2262 schedule_timeout_uninterruptible(1);
ef21ca24 2263 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2264 /* FIXME: extra delay */
2265 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
ef21ca24
NA		 2266 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2267 msleep(250);
1da177e4 2268 } else {
ef21ca24
NA		 2269 end_time = jiffies + msecs_to_jiffies(100);
2270 do {
1da177e4
LT		 2271 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2272 if (val != 0xffff && (val & 1) != 0)
2273 break;
8433a509 2274 schedule_timeout_uninterruptible(1);
ef21ca24 2275 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2276 }
2277__reset_ready:
2278
2279 if (ac97->bus->ops->init)
2280 ac97->bus->ops->init(ac97);
2281
2282 if (ac97->build_ops->resume)
2283 ac97->build_ops->resume(ac97);
2284 else {
2285 snd_ac97_restore_status(ac97);
2286 snd_ac97_restore_iec958(ac97);
2287 }
2288}
7b09679c
TI		 2289
2290EXPORT_SYMBOL(snd_ac97_resume);
1da177e4
LT		 2291#endif
2292
2293
2294/*
2295 * Hardware tuning
2296 */
2297static void set_ctl_name(char *dst, const char *src, const char *suffix)
2298{
2299 if (suffix)
2300 sprintf(dst, "%s %s", src, suffix);
2301 else
2302 strcpy(dst, src);
2303}
2304
2305/* remove the control with the given name and optional suffix */
ee42381e 2306int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2307{
ee42381e 2308 struct snd_ctl_elem_id id;
1da177e4
LT		 2309 memset(&id, 0, sizeof(id));
2310 set_ctl_name(id.name, name, suffix);
2311 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2312 return snd_ctl_remove_id(ac97->bus->card, &id);
2313}
2314
ee42381e 2315static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2316{
ee42381e 2317 struct snd_ctl_elem_id sid;
1da177e4
LT		 2318 memset(&sid, 0, sizeof(sid));
2319 set_ctl_name(sid.name, name, suffix);
2320 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2321 return snd_ctl_find_id(ac97->bus->card, &sid);
2322}
2323
2324/* rename the control with the given name and optional suffix */
ee42381e 2325int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
1da177e4 2326{
ee42381e 2327 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
1da177e4
LT		 2328 if (kctl) {
2329 set_ctl_name(kctl->id.name, dst, suffix);
2330 return 0;
2331 }
2332 return -ENOENT;
2333}
2334
2335/* rename both Volume and Switch controls - don't check the return value */
ee42381e 2336void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
1da177e4
LT		 2337{
2338 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2339 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2340}
2341
2342/* swap controls */
ee42381e 2343int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
1da177e4 2344{
ee42381e 2345 struct snd_kcontrol *kctl1, *kctl2;
1da177e4
LT		 2346 kctl1 = ctl_find(ac97, s1, suffix);
2347 kctl2 = ctl_find(ac97, s2, suffix);
2348 if (kctl1 && kctl2) {
2349 set_ctl_name(kctl1->id.name, s2, suffix);
2350 set_ctl_name(kctl2->id.name, s1, suffix);
2351 return 0;
2352 }
2353 return -ENOENT;
2354}
2355
2356#if 1
2357/* bind hp and master controls instead of using only hp control */
ee42381e 2358static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2359{
2360 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2361 if (err > 0) {
2362 unsigned long priv_saved = kcontrol->private_value;
2363 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2364 snd_ac97_put_volsw(kcontrol, ucontrol);
2365 kcontrol->private_value = priv_saved;
2366 }
2367 return err;
2368}
2369
2370/* ac97 tune: bind Master and Headphone controls */
ee42381e 2371static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4 2372{
ee42381e
TI		 2373 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2374 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
1da177e4
LT		 2375 if (! msw || ! mvol)
2376 return -ENOENT;
2377 msw->put = bind_hp_volsw_put;
2378 mvol->put = bind_hp_volsw_put;
2379 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2380 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2381 return 0;
2382}
2383
2384#else
2385/* ac97 tune: use Headphone control as master */
ee42381e 2386static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4
LT		 2387{
2388 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2389 return -ENOENT;
2390 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2391 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2392 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2393 return 0;
2394}
2395#endif
2396
2397/* ac97 tune: swap Headphone and Master controls */
ee42381e 2398static int tune_swap_hp(struct snd_ac97 *ac97)
1da177e4
LT		 2399{
2400 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2401 return -ENOENT;
2402 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2403 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2404 return 0;
2405}
2406
2407/* ac97 tune: swap Surround and Master controls */
ee42381e 2408static int tune_swap_surround(struct snd_ac97 *ac97)
1da177e4
LT		 2409{
2410 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2411 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2412 return -ENOENT;
2413 return 0;
2414}
2415
2416/* ac97 tune: set up mic sharing for AD codecs */
ee42381e 2417static int tune_ad_sharing(struct snd_ac97 *ac97)
1da177e4
LT		 2418{
2419 unsigned short scfg;
2420 if ((ac97->id & 0xffffff00) != 0x41445300) {
2421 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2422 return -EINVAL;
2423 }
2424 /* Turn on OMS bit to route microphone to back panel */
2425 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2426 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2427 return 0;
2428}
2429
ee42381e 2430static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
1da177e4
LT		 2431AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2432
2433/* ac97 tune: set up ALC jack-select */
ee42381e 2434static int tune_alc_jack(struct snd_ac97 *ac97)
1da177e4
LT		 2435{
2436 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2437 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2438 return -EINVAL;
2439 }
2440 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2441 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
031c95d4
TI		 2442 if (ac97->id == AC97_ID_ALC658D)
2443 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
1da177e4
LT		 2444 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2445}
2446
2447/* ac97 tune: inversed EAPD bit */
ee42381e 2448static int tune_inv_eapd(struct snd_ac97 *ac97)
1da177e4 2449{
ee42381e 2450 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
1da177e4
LT		 2451 if (! kctl)
2452 return -ENOENT;
2453 set_inv_eapd(ac97, kctl);
2454 return 0;
2455}
2456
ee42381e 2457static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2458{
2459 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2460 if (err > 0) {
ee42381e 2461 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 2462 int shift = (kcontrol->private_value >> 8) & 0x0f;
2463 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2464 unsigned short mask;
2465 if (shift != rshift)
2466 mask = 0x8080;
2467 else
2468 mask = 0x8000;
2469 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2470 (ac97->regs[AC97_MASTER] & mask) == mask ?
2471 0x8000 : 0);
2472 }
2473 return err;
2474}
2475
2476/* ac97 tune: EAPD controls mute LED bound with the master mute */
ee42381e 2477static int tune_mute_led(struct snd_ac97 *ac97)
1da177e4 2478{
ee42381e 2479 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
1da177e4
LT		 2480 if (! msw)
2481 return -ENOENT;
2482 msw->put = master_mute_sw_put;
2483 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2484 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2485 return 0;
2486}
2487
a0faefed
MG		 2488static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2489 struct snd_ctl_elem_value *ucontrol)
2490{
2491 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2492 if (err > 0) {
2493 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2494 int shift = (kcontrol->private_value >> 8) & 0x0f;
2495 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2496 unsigned short mask;
2497 if (shift != rshift)
2498 mask = 0x8080;
2499 else
2500 mask = 0x8000;
2501 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2502 (ac97->regs[AC97_MASTER] & mask) == mask ?
2503 0x8000 : 0);
2504 }
2505 return err;
2506}
2507
2508static int tune_hp_mute_led(struct snd_ac97 *ac97)
2509{
2510 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2511 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2512 if (! msw || ! mvol)
2513 return -ENOENT;
2514 msw->put = hp_master_mute_sw_put;
2515 mvol->put = bind_hp_volsw_put;
2516 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2517 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2518 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2519 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2520 return 0;
2521}
2522
1da177e4
LT		 2523struct quirk_table {
2524 const char *name;
ee42381e 2525 int (*func)(struct snd_ac97 *);
1da177e4
LT		 2526};
2527
2528static struct quirk_table applicable_quirks[] = {
2529 { "none", NULL },
2530 { "hp_only", tune_hp_only },
2531 { "swap_hp", tune_swap_hp },
2532 { "swap_surround", tune_swap_surround },
2533 { "ad_sharing", tune_ad_sharing },
2534 { "alc_jack", tune_alc_jack },
2535 { "inv_eapd", tune_inv_eapd },
2536 { "mute_led", tune_mute_led },
a0faefed 2537 { "hp_mute_led", tune_hp_mute_led },
1da177e4
LT		 2538};
2539
2540/* apply the quirk with the given type */
ee42381e 2541static int apply_quirk(struct snd_ac97 *ac97, int type)
1da177e4
LT		 2542{
2543 if (type <= 0)
2544 return 0;
2545 else if (type >= ARRAY_SIZE(applicable_quirks))
2546 return -EINVAL;
2547 if (applicable_quirks[type].func)
2548 return applicable_quirks[type].func(ac97);
2549 return 0;
2550}
2551
2552/* apply the quirk with the given name */
ee42381e 2553static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
1da177e4
LT		 2554{
2555 int i;
2556 struct quirk_table *q;
2557
2558 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2559 q = &applicable_quirks[i];
2560 if (q->name && ! strcmp(typestr, q->name))
2561 return apply_quirk(ac97, i);
2562 }
2563 /* for compatibility, accept the numbers, too */
2564 if (*typestr >= '0' && *typestr <= '9')
2565 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2566 return -EINVAL;
2567}
2568
2569/**
2570 * snd_ac97_tune_hardware - tune up the hardware
2571 * @ac97: the ac97 instance
2572 * @quirk: quirk list
2573 * @override: explicit quirk value (overrides the list if non-NULL)
2574 *
2575 * Do some workaround for each pci device, such as renaming of the
2576 * headphone (true line-out) control as "Master".
2577 * The quirk-list must be terminated with a zero-filled entry.
2578 *
2579 * Returns zero if successful, or a negative error code on failure.
2580 */
2581
ee42381e 2582int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
1da177e4
LT		 2583{
2584 int result;
2585
1da177e4
LT		 2586 /* quirk overriden? */
2587 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2588 result = apply_quirk_str(ac97, override);
2589 if (result < 0)
2590 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2591 return result;
2592 }
2593
4b499486
PP		 2594 if (! quirk)
2595 return -EINVAL;
2596
69ad07cf
JK		 2597 for (; quirk->subvendor; quirk++) {
2598 if (quirk->subvendor != ac97->subsystem_vendor)
1da177e4 2599 continue;
69ad07cf
JK		 2600 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2601 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
1da177e4
LT		 2602 if (quirk->codec_id && quirk->codec_id != ac97->id)
2603 continue;
2604 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2605 result = apply_quirk(ac97, quirk->type);
2606 if (result < 0)
2607 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2608 return result;
2609 }
2610 }
2611 return 0;
2612}
2613
1da177e4 2614EXPORT_SYMBOL(snd_ac97_tune_hardware);
1da177e4
LT		 2615
2616/*
2617 * INIT part
2618 */
2619
2620static int __init alsa_ac97_init(void)
2621{
2622 return 0;
2623}
2624
2625static void __exit alsa_ac97_exit(void)
2626{
2627}
2628
2629module_init(alsa_ac97_init)
2630module_exit(alsa_ac97_exit)
Linux kernel - Deliverables
This page took 0.375973 seconds and 5 git commands to generate.