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[net-next-2.6.git] / sound / pci / ac97 / ac97_codec.c
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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>
31#include <sound/core.h>
32#include <sound/pcm.h>
33#include <sound/ac97_codec.h>
34#include <sound/asoundef.h>
35#include <sound/initval.h>
36#include "ac97_local.h"
37#include "ac97_id.h"
38#include "ac97_patch.h"
39
40MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
41MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
42MODULE_LICENSE("GPL");
43
44static int enable_loopback;
45
46module_param(enable_loopback, bool, 0444);
47MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
48
49/*
50
51 */
52
ee42381e 53struct ac97_codec_id {
1da177e4
LT		 54 unsigned int id;
55 unsigned int mask;
56 const char *name;
ee42381e
TI		 57 int (*patch)(struct snd_ac97 *ac97);
58 int (*mpatch)(struct snd_ac97 *ac97);
1da177e4 59 unsigned int flags;
ee42381e 60};
1da177e4 61
ee42381e 62static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
1da177e4
LT		 63{ 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
64{ 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
65{ 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
66{ 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
67{ 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
68{ 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
69{ 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
70{ 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
71{ 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
72{ 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
73{ 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
74{ 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
75{ 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
76{ 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
77{ 0x50534300, 0xffffff00, "Philips", NULL, NULL },
78{ 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
79{ 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
80{ 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
81{ 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
82{ 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
83{ 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
84{ 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
85{ 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
86{ 0, 0, NULL, NULL, NULL }
87};
88
ee42381e 89static const struct ac97_codec_id snd_ac97_codec_ids[] = {
1da177e4
LT		 90{ 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
91{ 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
92{ 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
93{ 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
94{ 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
95{ 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
96{ 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
97{ 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
98{ 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
99{ 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
100{ 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
101{ 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
102{ 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
103{ 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
104{ 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
105{ 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
106{ 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
107{ 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL },
108{ 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
109{ 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
110{ 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
111{ 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
112{ 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
113{ 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
114{ 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
a5022b0d 115{ 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
1da177e4
LT		 116{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
117{ 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
118{ 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
119{ 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
120{ 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
121{ 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
122{ 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
123{ 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
5f0dccf8 124{ 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
1da177e4
LT		 125{ 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
126{ 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
127{ 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
128{ 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
129{ 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
130{ 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
131{ 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
132{ 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
133{ 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
134{ 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
135{ 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
136{ 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
137{ 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
138{ 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
139{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
140{ 0x454d4328, 0xffffffff, "28028", NULL, NULL }, // same as TR28028?
141{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
142{ 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
143{ 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
144{ 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
145{ 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
146{ 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
147{ 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
148{ 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
149{ 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
150{ 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
151{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
152{ 0x4e534350, 0xffffffff, "LM4550", NULL, NULL },
153{ 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
87d61c29 154{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
1da177e4
LT		 155{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
156{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
157{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
158{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
159{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
160{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
4b499486 161{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
1da177e4
LT		 162{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
163{ 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
164{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
165{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
166{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
167{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
168{ 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
169{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
170{ 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
171{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
172{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
173{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
174{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
175{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
176{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
177{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
178{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
179{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
180{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
181{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
182{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
183{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
184{ 0, 0, NULL, NULL, NULL }
185};
186
187const char *snd_ac97_stereo_enhancements[] =
188{
189 /* 0 */ "No 3D Stereo Enhancement",
190 /* 1 */ "Analog Devices Phat Stereo",
191 /* 2 */ "Creative Stereo Enhancement",
192 /* 3 */ "National Semi 3D Stereo Enhancement",
193 /* 4 */ "YAMAHA Ymersion",
194 /* 5 */ "BBE 3D Stereo Enhancement",
195 /* 6 */ "Crystal Semi 3D Stereo Enhancement",
196 /* 7 */ "Qsound QXpander",
197 /* 8 */ "Spatializer 3D Stereo Enhancement",
198 /* 9 */ "SRS 3D Stereo Enhancement",
199 /* 10 */ "Platform Tech 3D Stereo Enhancement",
200 /* 11 */ "AKM 3D Audio",
201 /* 12 */ "Aureal Stereo Enhancement",
202 /* 13 */ "Aztech 3D Enhancement",
203 /* 14 */ "Binaura 3D Audio Enhancement",
204 /* 15 */ "ESS Technology Stereo Enhancement",
205 /* 16 */ "Harman International VMAx",
206 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
207 /* 18 */ "Philips Incredible Sound",
208 /* 19 */ "Texas Instruments 3D Stereo Enhancement",
209 /* 20 */ "VLSI Technology 3D Stereo Enhancement",
210 /* 21 */ "TriTech 3D Stereo Enhancement",
211 /* 22 */ "Realtek 3D Stereo Enhancement",
212 /* 23 */ "Samsung 3D Stereo Enhancement",
213 /* 24 */ "Wolfson Microelectronics 3D Enhancement",
214 /* 25 */ "Delta Integration 3D Enhancement",
215 /* 26 */ "SigmaTel 3D Enhancement",
216 /* 27 */ "IC Ensemble/KS Waves",
217 /* 28 */ "Rockwell 3D Stereo Enhancement",
218 /* 29 */ "Reserved 29",
219 /* 30 */ "Reserved 30",
220 /* 31 */ "Reserved 31"
221};
222
1da177e4
LT		 223
224/*
225 * I/O routines
226 */
227
ee42381e 228static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 229{
230 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
231 return 0;
232
233 /* filter some registers for buggy codecs */
234 switch (ac97->id) {
235 case AC97_ID_AK4540:
236 case AC97_ID_AK4542:
237 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
238 return 1;
239 return 0;
240 case AC97_ID_AD1819: /* AD1819 */
241 case AC97_ID_AD1881: /* AD1881 */
242 case AC97_ID_AD1881A: /* AD1881A */
243 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
244 return 0;
245 return 1;
246 case AC97_ID_AD1885: /* AD1885 */
247 case AC97_ID_AD1886: /* AD1886 */
248 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
249 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
250 if (reg == 0x5a)
251 return 1;
252 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
253 return 0;
254 return 1;
255 case AC97_ID_STAC9700:
256 case AC97_ID_STAC9704:
257 case AC97_ID_STAC9705:
258 case AC97_ID_STAC9708:
259 case AC97_ID_STAC9721:
260 case AC97_ID_STAC9744:
261 case AC97_ID_STAC9756:
262 if (reg <= 0x3a || reg >= 0x5a)
263 return 1;
264 return 0;
265 }
266 return 1;
267}
268
269/**
270 * snd_ac97_write - write a value on the given register
271 * @ac97: the ac97 instance
272 * @reg: the register to change
273 * @value: the value to set
274 *
275 * Writes a value on the given register. This will invoke the write
276 * callback directly after the register check.
277 * This function doesn't change the register cache unlike
278 * #snd_ca97_write_cache(), so use this only when you don't want to
279 * reflect the change to the suspend/resume state.
280 */
ee42381e 281void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 282{
283 if (!snd_ac97_valid_reg(ac97, reg))
284 return;
285 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
286 /* Fix H/W bug of ALC100/100P */
287 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
288 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
289 }
290 ac97->bus->ops->write(ac97, reg, value);
291}
292
293/**
294 * snd_ac97_read - read a value from the given register
295 *
296 * @ac97: the ac97 instance
297 * @reg: the register to read
298 *
299 * Reads a value from the given register. This will invoke the read
300 * callback directly after the register check.
301 *
302 * Returns the read value.
303 */
ee42381e 304unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 305{
306 if (!snd_ac97_valid_reg(ac97, reg))
307 return 0;
308 return ac97->bus->ops->read(ac97, reg);
309}
310
311/* read a register - return the cached value if already read */
ee42381e 312static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 313{
314 if (! test_bit(reg, ac97->reg_accessed)) {
315 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
316 // set_bit(reg, ac97->reg_accessed);
317 }
318 return ac97->regs[reg];
319}
320
321/**
322 * snd_ac97_write_cache - write a value on the given register and update the cache
323 * @ac97: the ac97 instance
324 * @reg: the register to change
325 * @value: the value to set
326 *
327 * Writes a value on the given register and updates the register
328 * cache. The cached values are used for the cached-read and the
329 * suspend/resume.
330 */
ee42381e 331void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 332{
333 if (!snd_ac97_valid_reg(ac97, reg))
334 return;
335 down(&ac97->reg_mutex);
336 ac97->regs[reg] = value;
337 ac97->bus->ops->write(ac97, reg, value);
338 set_bit(reg, ac97->reg_accessed);
339 up(&ac97->reg_mutex);
340}
341
342/**
343 * snd_ac97_update - update the value on the given register
344 * @ac97: the ac97 instance
345 * @reg: the register to change
346 * @value: the value to set
347 *
348 * Compares the value with the register cache and updates the value
349 * only when the value is changed.
350 *
351 * Returns 1 if the value is changed, 0 if no change, or a negative
352 * code on failure.
353 */
ee42381e 354int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 355{
356 int change;
357
358 if (!snd_ac97_valid_reg(ac97, reg))
359 return -EINVAL;
360 down(&ac97->reg_mutex);
361 change = ac97->regs[reg] != value;
362 if (change) {
363 ac97->regs[reg] = value;
364 ac97->bus->ops->write(ac97, reg, value);
365 }
52b72388 366 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 367 up(&ac97->reg_mutex);
368 return change;
369}
370
371/**
372 * snd_ac97_update_bits - update the bits on the given register
373 * @ac97: the ac97 instance
374 * @reg: the register to change
375 * @mask: the bit-mask to change
376 * @value: the value to set
377 *
378 * Updates the masked-bits on the given register only when the value
379 * is changed.
380 *
381 * Returns 1 if the bits are changed, 0 if no change, or a negative
382 * code on failure.
383 */
ee42381e 384int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
1da177e4
LT		 385{
386 int change;
387
388 if (!snd_ac97_valid_reg(ac97, reg))
389 return -EINVAL;
390 down(&ac97->reg_mutex);
391 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
392 up(&ac97->reg_mutex);
393 return change;
394}
395
396/* no lock version - see snd_ac97_updat_bits() */
ee42381e 397int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
1da177e4
LT		 398 unsigned short mask, unsigned short value)
399{
400 int change;
401 unsigned short old, new;
402
403 old = snd_ac97_read_cache(ac97, reg);
404 new = (old & ~mask) | value;
405 change = old != new;
406 if (change) {
407 ac97->regs[reg] = new;
408 ac97->bus->ops->write(ac97, reg, new);
409 }
52b72388 410 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 411 return change;
412}
413
ee42381e 414static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
1da177e4
LT		 415{
416 int change;
417 unsigned short old, new, cfg;
418
419 down(&ac97->page_mutex);
420 old = ac97->spec.ad18xx.pcmreg[codec];
421 new = (old & ~mask) | value;
422 change = old != new;
423 if (change) {
424 down(&ac97->reg_mutex);
425 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
426 ac97->spec.ad18xx.pcmreg[codec] = new;
427 /* select single codec */
428 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
429 (cfg & ~0x7000) |
430 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
431 /* update PCM bits */
432 ac97->bus->ops->write(ac97, AC97_PCM, new);
433 /* select all codecs */
434 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
435 cfg | 0x7000);
436 up(&ac97->reg_mutex);
437 }
438 up(&ac97->page_mutex);
439 return change;
440}
441
442/*
443 * Controls
444 */
445
ee42381e 446int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 447{
448 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
449
450 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
451 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
452 uinfo->value.enumerated.items = e->mask;
453
454 if (uinfo->value.enumerated.item > e->mask - 1)
455 uinfo->value.enumerated.item = e->mask - 1;
456 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
457 return 0;
458}
459
ee42381e 460int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 461{
ee42381e 462 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 463 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 464 unsigned short val, bitmask;
1da177e4 465
b16760bb 466 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 467 ;
1da177e4 468 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 469 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 470 if (e->shift_l != e->shift_r)
5f0dccf8 471 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 472
473 return 0;
474}
475
ee42381e 476int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 477{
ee42381e 478 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 479 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
480 unsigned short val;
5f0dccf8 481 unsigned short mask, bitmask;
1da177e4 482
b16760bb 483 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 484 ;
1da177e4
LT		 485 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
486 return -EINVAL;
487 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 488 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 489 if (e->shift_l != e->shift_r) {
490 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
491 return -EINVAL;
492 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 493 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 494 }
495 return snd_ac97_update_bits(ac97, e->reg, mask, val);
496}
497
498/* save/restore ac97 v2.3 paging */
ee42381e 499static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
1da177e4
LT		 500{
501 int page_save = -1;
502 if ((kcontrol->private_value & (1<<25)) &&
503 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
504 (reg >= 0x60 && reg < 0x70)) {
505 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
506 down(&ac97->page_mutex); /* lock paging */
507 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
508 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
509 }
510 return page_save;
511}
512
ee42381e 513static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
1da177e4
LT		 514{
515 if (page_save >= 0) {
516 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
517 up(&ac97->page_mutex); /* unlock paging */
518 }
519}
520
521/* volume and switch controls */
ee42381e 522int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 523{
524 int mask = (kcontrol->private_value >> 16) & 0xff;
525 int shift = (kcontrol->private_value >> 8) & 0x0f;
526 int rshift = (kcontrol->private_value >> 12) & 0x0f;
527
528 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
529 uinfo->count = shift == rshift ? 1 : 2;
530 uinfo->value.integer.min = 0;
531 uinfo->value.integer.max = mask;
532 return 0;
533}
534
ee42381e 535int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 536{
ee42381e 537 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 538 int reg = kcontrol->private_value & 0xff;
539 int shift = (kcontrol->private_value >> 8) & 0x0f;
540 int rshift = (kcontrol->private_value >> 12) & 0x0f;
541 int mask = (kcontrol->private_value >> 16) & 0xff;
542 int invert = (kcontrol->private_value >> 24) & 0x01;
543 int page_save;
544
545 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
546 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
547 if (shift != rshift)
548 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
549 if (invert) {
550 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
551 if (shift != rshift)
552 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
553 }
554 snd_ac97_page_restore(ac97, page_save);
555 return 0;
556}
557
ee42381e 558int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 559{
ee42381e 560 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 561 int reg = kcontrol->private_value & 0xff;
562 int shift = (kcontrol->private_value >> 8) & 0x0f;
563 int rshift = (kcontrol->private_value >> 12) & 0x0f;
564 int mask = (kcontrol->private_value >> 16) & 0xff;
565 int invert = (kcontrol->private_value >> 24) & 0x01;
566 int err, page_save;
567 unsigned short val, val2, val_mask;
568
569 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
570 val = (ucontrol->value.integer.value[0] & mask);
571 if (invert)
572 val = mask - val;
573 val_mask = mask << shift;
574 val = val << shift;
575 if (shift != rshift) {
576 val2 = (ucontrol->value.integer.value[1] & mask);
577 if (invert)
578 val2 = mask - val2;
579 val_mask |= mask << rshift;
580 val |= val2 << rshift;
581 }
582 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
583 snd_ac97_page_restore(ac97, page_save);
584 return err;
585}
586
ee42381e 587static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
1da177e4
LT		 588AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
589AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
590};
591
ee42381e 592static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
1da177e4
LT		 593AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
594AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
595};
596
ee42381e 597static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
1da177e4
LT		 598AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
599AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
600};
601
ee42381e 602static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
1da177e4
LT		 603 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
604
605
606static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
607static const char* std_3d_path[] = {"pre 3D", "post 3D"};
608static const char* std_mix[] = {"Mix", "Mic"};
609static const char* std_mic[] = {"Mic1", "Mic2"};
610
611static const struct ac97_enum std_enum[] = {
612AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
613AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
614AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
615AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
616};
617
ee42381e 618static const struct snd_kcontrol_new snd_ac97_control_capture_src =
1da177e4
LT		 619AC97_ENUM("Capture Source", std_enum[0]);
620
ee42381e 621static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
1da177e4
LT		 622AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
623
ee42381e 624static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
1da177e4
LT		 625AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
626AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
627};
628
ee42381e 629enum {
1da177e4
LT		 630 AC97_GENERAL_PCM_OUT = 0,
631 AC97_GENERAL_STEREO_ENHANCEMENT,
632 AC97_GENERAL_3D,
633 AC97_GENERAL_LOUDNESS,
634 AC97_GENERAL_MONO,
635 AC97_GENERAL_MIC,
636 AC97_GENERAL_LOOPBACK
ee42381e 637};
1da177e4 638
ee42381e 639static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
1da177e4
LT		 640AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
641AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
642AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
643AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
644AC97_ENUM("Mono Output Select", std_enum[2]),
645AC97_ENUM("Mic Select", std_enum[3]),
646AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
647};
648
ee42381e 649const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
1da177e4
LT		 650AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
651AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
652};
653
ee42381e 654static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
1da177e4
LT		 655AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
656AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
657};
658
ee42381e 659static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
1da177e4
LT		 660AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
661AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
662};
663
ee42381e 664static const struct snd_kcontrol_new snd_ac97_control_eapd =
1da177e4
LT		 665AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
666
ee42381e 667static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
87d61c29
SK		 668AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
669AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
670};
671
1da177e4 672/* change the existing EAPD control as inverted */
ee42381e 673static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
1da177e4
LT		 674{
675 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
676 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
677 ac97->scaps |= AC97_SCAP_INV_EAPD;
678}
679
ee42381e 680static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 681{
682 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
683 uinfo->count = 1;
684 return 0;
685}
686
ee42381e 687static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 688{
689 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
690 IEC958_AES0_NONAUDIO |
691 IEC958_AES0_CON_EMPHASIS_5015 |
692 IEC958_AES0_CON_NOT_COPYRIGHT;
693 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
694 IEC958_AES1_CON_ORIGINAL;
695 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
696 return 0;
697}
698
ee42381e 699static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 700{
701 /* FIXME: AC'97 spec doesn't say which bits are used for what */
702 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
703 IEC958_AES0_NONAUDIO |
704 IEC958_AES0_PRO_FS |
705 IEC958_AES0_PRO_EMPHASIS_5015;
706 return 0;
707}
708
ee42381e 709static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 710{
ee42381e 711 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 712
713 down(&ac97->reg_mutex);
714 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
715 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
716 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
717 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
718 up(&ac97->reg_mutex);
719 return 0;
720}
721
ee42381e 722static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 723{
ee42381e 724 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 725 unsigned int new = 0;
726 unsigned short val = 0;
727 int change;
728
729 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
730 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
731 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
732 switch (new & IEC958_AES0_PRO_FS) {
733 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
734 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
735 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
736 default: val |= 1<<12; break;
737 }
738 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
739 val |= 1<<3;
740 } else {
741 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
742 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
743 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
744 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
745 val |= 1<<3;
746 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
747 val |= 1<<2;
748 val |= ((new >> 8) & 0xff) << 4; // category + original
749 switch ((new >> 24) & 0xff) {
750 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
751 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
752 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
753 default: val |= 1<<12; break;
754 }
755 }
756
757 down(&ac97->reg_mutex);
758 change = ac97->spdif_status != new;
759 ac97->spdif_status = new;
760
761 if (ac97->flags & AC97_CS_SPDIF) {
762 int x = (val >> 12) & 0x03;
763 switch (x) {
764 case 0: x = 1; break; // 44.1
765 case 2: x = 0; break; // 48.0
766 default: x = 0; break; // illegal.
767 }
768 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
769 } else if (ac97->flags & AC97_CX_SPDIF) {
770 int v;
771 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
772 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
773 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
774 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
775 v);
776 } else {
777 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
778 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
779
780 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
781 if (extst & AC97_EA_SPDIF) {
782 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
783 }
784 }
785 up(&ac97->reg_mutex);
786
787 return change;
788}
789
ee42381e 790static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 791{
ee42381e 792 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 793 int reg = kcontrol->private_value & 0xff;
794 int shift = (kcontrol->private_value >> 8) & 0xff;
795 int mask = (kcontrol->private_value >> 16) & 0xff;
796 // int invert = (kcontrol->private_value >> 24) & 0xff;
797 unsigned short value, old, new;
798 int change;
799
800 value = (ucontrol->value.integer.value[0] & mask);
801
802 down(&ac97->reg_mutex);
803 mask <<= shift;
804 value <<= shift;
805 old = snd_ac97_read_cache(ac97, reg);
806 new = (old & ~mask) | value;
807 change = old != new;
808
809 if (change) {
810 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
811 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
812 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
813 if (extst & AC97_EA_SPDIF)
814 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
815 }
816 up(&ac97->reg_mutex);
817 return change;
818}
819
ee42381e 820const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
1da177e4
LT		 821 {
822 .access = SNDRV_CTL_ELEM_ACCESS_READ,
823 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
824 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
825 .info = snd_ac97_spdif_mask_info,
826 .get = snd_ac97_spdif_cmask_get,
827 },
828 {
829 .access = SNDRV_CTL_ELEM_ACCESS_READ,
830 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
831 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
832 .info = snd_ac97_spdif_mask_info,
833 .get = snd_ac97_spdif_pmask_get,
834 },
835 {
836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
838 .info = snd_ac97_spdif_mask_info,
839 .get = snd_ac97_spdif_default_get,
840 .put = snd_ac97_spdif_default_put,
841 },
842
843 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
844 {
845 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
846 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
847 .info = snd_ac97_info_volsw,
848 .get = snd_ac97_get_volsw,
849 .put = snd_ac97_put_spsa,
850 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
851 },
852};
853
854#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
855{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
856 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
857 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
858
ee42381e 859static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4 860{
ee42381e 861 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 862 int mask = (kcontrol->private_value >> 16) & 0x0f;
863 int lshift = (kcontrol->private_value >> 8) & 0x0f;
864 int rshift = (kcontrol->private_value >> 12) & 0x0f;
865
866 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
867 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
868 uinfo->count = 2;
869 else
870 uinfo->count = 1;
871 uinfo->value.integer.min = 0;
872 uinfo->value.integer.max = mask;
873 return 0;
874}
875
ee42381e 876static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 877{
ee42381e 878 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 879 int codec = kcontrol->private_value & 3;
880 int lshift = (kcontrol->private_value >> 8) & 0x0f;
881 int rshift = (kcontrol->private_value >> 12) & 0x0f;
882 int mask = (kcontrol->private_value >> 16) & 0xff;
883
884 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
885 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
886 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
887 return 0;
888}
889
ee42381e 890static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 891{
ee42381e 892 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 893 int codec = kcontrol->private_value & 3;
894 int lshift = (kcontrol->private_value >> 8) & 0x0f;
895 int rshift = (kcontrol->private_value >> 12) & 0x0f;
896 int mask = (kcontrol->private_value >> 16) & 0xff;
897 unsigned short val, valmask;
898
899 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
900 valmask = mask << lshift;
901 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
902 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
903 valmask |= mask << rshift;
904 }
905 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
906}
907
908#define AD18XX_PCM_VOLUME(xname, codec) \
909{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
910 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
911 .private_value = codec }
912
ee42381e 913static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 914{
915 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
916 uinfo->count = 2;
917 uinfo->value.integer.min = 0;
918 uinfo->value.integer.max = 31;
919 return 0;
920}
921
ee42381e 922static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 923{
ee42381e 924 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 925 int codec = kcontrol->private_value & 3;
926
927 down(&ac97->page_mutex);
928 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
929 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
930 up(&ac97->page_mutex);
931 return 0;
932}
933
ee42381e 934static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 935{
ee42381e 936 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 937 int codec = kcontrol->private_value & 3;
938 unsigned short val1, val2;
939
940 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
941 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
942 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
943}
944
ee42381e 945static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
1da177e4
LT		 946AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
947AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
948};
949
ee42381e 950static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
1da177e4
LT		 951AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
952AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
953};
954
ee42381e 955static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
1da177e4
LT		 956AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
957AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
958};
959
ee42381e 960static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
1da177e4
LT		 961AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
962AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
963};
964
965/*
966 *
967 */
968
ee42381e 969static void snd_ac97_powerdown(struct snd_ac97 *ac97);
1da177e4 970
ee42381e 971static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
1da177e4
LT		 972{
973 if (bus) {
974 snd_ac97_bus_proc_done(bus);
975 kfree(bus->pcms);
976 if (bus->private_free)
977 bus->private_free(bus);
978 kfree(bus);
979 }
980 return 0;
981}
982
ee42381e 983static int snd_ac97_bus_dev_free(struct snd_device *device)
1da177e4 984{
ee42381e 985 struct snd_ac97_bus *bus = device->device_data;
1da177e4
LT		 986 return snd_ac97_bus_free(bus);
987}
988
ee42381e 989static int snd_ac97_free(struct snd_ac97 *ac97)
1da177e4
LT		 990{
991 if (ac97) {
992 snd_ac97_proc_done(ac97);
2ba71978 993 if (ac97->bus)
1da177e4 994 ac97->bus->codec[ac97->num] = NULL;
1da177e4
LT		 995 if (ac97->private_free)
996 ac97->private_free(ac97);
997 kfree(ac97);
998 }
999 return 0;
1000}
1001
ee42381e 1002static int snd_ac97_dev_free(struct snd_device *device)
1da177e4 1003{
ee42381e 1004 struct snd_ac97 *ac97 = device->device_data;
1da177e4
LT		 1005 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1006 return snd_ac97_free(ac97);
1007}
1008
ee42381e 1009static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1da177e4
LT		 1010{
1011 unsigned short val, mask = 0x8000;
1012
1013 if (! snd_ac97_valid_reg(ac97, reg))
1014 return 0;
1015
1016 switch (reg) {
1017 case AC97_MASTER_TONE:
1018 return ac97->caps & 0x04 ? 1 : 0;
1019 case AC97_HEADPHONE:
1020 return ac97->caps & 0x10 ? 1 : 0;
1021 case AC97_REC_GAIN_MIC:
1022 return ac97->caps & 0x01 ? 1 : 0;
1023 case AC97_3D_CONTROL:
1024 if (ac97->caps & 0x7c00) {
1025 val = snd_ac97_read(ac97, reg);
1026 /* if nonzero - fixed and we can't set it */
1027 return val == 0;
1028 }
1029 return 0;
1030 case AC97_CENTER_LFE_MASTER: /* center */
1031 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1032 return 0;
1033 break;
1034 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1035 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1036 return 0;
1037 reg = AC97_CENTER_LFE_MASTER;
1038 mask = 0x0080;
1039 break;
1040 case AC97_SURROUND_MASTER:
1041 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1042 return 0;
1043 break;
1044 }
1045
1046 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1047 return 1; /* allow without check */
1048
1049 val = snd_ac97_read(ac97, reg);
1050 if (!(val & mask)) {
1051 /* nothing seems to be here - mute flag is not set */
1052 /* try another test */
1053 snd_ac97_write_cache(ac97, reg, val | mask);
1054 val = snd_ac97_read(ac97, reg);
ee42381e 1055 val = snd_ac97_read(ac97, reg);
1da177e4
LT		 1056 if (!(val & mask))
1057 return 0; /* nothing here */
1058 }
1059 return 1; /* success, useable */
1060}
1061
ee42381e 1062static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1da177e4
LT		 1063{
1064 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1065 unsigned char max[3] = { 63, 31, 15 };
1066 int i;
1067
1068 *lo_max = *hi_max = 0;
1069 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1070 unsigned short val;
1071 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
c9eab129
JCD		 1072 /* Do the read twice due to buffers on some ac97 codecs.
1073 * e.g. The STAC9704 returns exactly what you wrote the the register
1074 * if you read it immediately. This causes the detect routine to fail.
1075 */
1076 val = snd_ac97_read(ac97, reg);
1da177e4 1077 val = snd_ac97_read(ac97, reg);
a2142674 1078 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1079 *lo_max = max[i];
a2142674 1080 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1081 *hi_max = max[i];
1082 if (*lo_max && *hi_max)
1083 break;
1084 }
1085}
1086
ee42381e 1087int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1da177e4
LT		 1088{
1089 unsigned short mask, val, orig, res;
1090
1091 mask = 1 << bit;
1092 orig = snd_ac97_read(ac97, reg);
1093 val = orig ^ mask;
1094 snd_ac97_write(ac97, reg, val);
1095 res = snd_ac97_read(ac97, reg);
1096 snd_ac97_write_cache(ac97, reg, orig);
1097 return res == val;
1098}
1099
1100/* check the volume resolution of center/lfe */
ee42381e 1101static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1da177e4
LT		 1102{
1103 unsigned short val, val1;
1104
1105 *max = 63;
1106 val = 0x8080 | (0x20 << shift);
1107 snd_ac97_write(ac97, reg, val);
1108 val1 = snd_ac97_read(ac97, reg);
1109 if (val != val1) {
1110 *max = 31;
1111 }
1112 /* reset volume to zero */
1113 snd_ac97_write_cache(ac97, reg, 0x8080);
1114}
1115
1116static inline int printable(unsigned int x)
1117{
1118 x &= 0xff;
1119 if (x < ' ' || x >= 0x71) {
1120 if (x <= 0x89)
1121 return x - 0x71 + 'A';
1122 return '?';
1123 }
1124 return x;
1125}
1126
ee42381e 1127struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1da177e4 1128{
ee42381e 1129 struct snd_kcontrol_new template;
1da177e4 1130 memcpy(&template, _template, sizeof(template));
1da177e4
LT		 1131 template.index = ac97->num;
1132 return snd_ctl_new1(&template, ac97);
1133}
1134
1135/*
1136 * create mute switch(es) for normal stereo controls
1137 */
ee42381e 1138static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, int check_stereo, struct snd_ac97 *ac97)
1da177e4 1139{
ee42381e 1140 struct snd_kcontrol *kctl;
1da177e4
LT		 1141 int err;
1142 unsigned short val, val1, mute_mask;
1143
1144 if (! snd_ac97_valid_reg(ac97, reg))
1145 return 0;
1146
1147 mute_mask = 0x8000;
1148 val = snd_ac97_read(ac97, reg);
1149 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1150 /* check whether both mute bits work */
1151 val1 = val | 0x8080;
1152 snd_ac97_write(ac97, reg, val1);
1153 if (val1 == snd_ac97_read(ac97, reg))
1154 mute_mask = 0x8080;
1155 }
1156 if (mute_mask == 0x8080) {
ee42381e 1157 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1da177e4
LT		 1158 tmp.index = ac97->num;
1159 kctl = snd_ctl_new1(&tmp, ac97);
1160 } else {
ee42381e 1161 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1da177e4
LT		 1162 tmp.index = ac97->num;
1163 kctl = snd_ctl_new1(&tmp, ac97);
1164 }
1165 err = snd_ctl_add(card, kctl);
1166 if (err < 0)
1167 return err;
1168 /* mute as default */
1169 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1170 return 0;
1171}
1172
1173/*
1174 * create a volume for normal stereo/mono controls
1175 */
ee42381e
TI		 1176static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1177 unsigned int hi_max, struct snd_ac97 *ac97)
1da177e4
LT		 1178{
1179 int err;
ee42381e 1180 struct snd_kcontrol *kctl;
1da177e4
LT		 1181
1182 if (! snd_ac97_valid_reg(ac97, reg))
1183 return 0;
1184 if (hi_max) {
1185 /* invert */
ee42381e 1186 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1da177e4
LT		 1187 tmp.index = ac97->num;
1188 kctl = snd_ctl_new1(&tmp, ac97);
1189 } else {
1190 /* invert */
ee42381e 1191 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1da177e4
LT		 1192 tmp.index = ac97->num;
1193 kctl = snd_ctl_new1(&tmp, ac97);
1194 }
1195 err = snd_ctl_add(card, kctl);
1196 if (err < 0)
1197 return err;
1198 snd_ac97_write_cache(ac97, reg,
1199 (snd_ac97_read(ac97, reg) & 0x8080) |
1200 lo_max | (hi_max << 8));
1201 return 0;
1202}
1203
1204/*
1205 * create a mute-switch and a volume for normal stereo/mono controls
1206 */
ee42381e 1207static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, int reg, int check_stereo, struct snd_ac97 *ac97)
1da177e4
LT		 1208{
1209 int err;
1210 char name[44];
1211 unsigned char lo_max, hi_max;
1212
1213 if (! snd_ac97_valid_reg(ac97, reg))
1214 return 0;
1215
1216 if (snd_ac97_try_bit(ac97, reg, 15)) {
1217 sprintf(name, "%s Switch", pfx);
1218 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1219 return err;
1220 }
1221 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1222 if (lo_max) {
1223 sprintf(name, "%s Volume", pfx);
1224 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1225 return err;
1226 }
1227 return 0;
1228}
1229
1230#define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1231#define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1232
ee42381e 1233static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1da177e4 1234
ee42381e 1235static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1da177e4 1236{
ee42381e
TI		 1237 struct snd_card *card = ac97->bus->card;
1238 struct snd_kcontrol *kctl;
1da177e4
LT		 1239 int err;
1240 unsigned int idx;
1241 unsigned char max;
1242
1243 /* build master controls */
1244 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1245 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1246 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1247 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1248 else
1249 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1250 if (err < 0)
1251 return err;
1252 }
1253
1254 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1255
1256 /* build center controls */
1257 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1258 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1259 return err;
1260 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1261 return err;
1262 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1263 kctl->private_value &= ~(0xff << 16);
1264 kctl->private_value |= (int)max << 16;
1265 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1266 }
1267
1268 /* build LFE controls */
1269 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1270 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1271 return err;
1272 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1273 return err;
1274 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1275 kctl->private_value &= ~(0xff << 16);
1276 kctl->private_value |= (int)max << 16;
1277 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1278 }
1279
1280 /* build surround controls */
1281 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1282 /* Surround Master (0x38) is with stereo mutes */
1283 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1284 return err;
1285 }
1286
1287 /* build headphone controls */
1288 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1289 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1290 return err;
1291 }
1292
1293 /* build master mono controls */
1294 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1295 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1296 return err;
1297 }
1298
1299 /* build master tone controls */
3998b70f
LG		 1300 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1301 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1302 for (idx = 0; idx < 2; idx++) {
1303 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1304 return err;
1305 if (ac97->id == AC97_ID_YMF753) {
1306 kctl->private_value &= ~(0xff << 16);
1307 kctl->private_value |= 7 << 16;
1308 }
1da177e4 1309 }
3998b70f 1310 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1da177e4 1311 }
1da177e4
LT		 1312 }
1313
1314 /* build PC Speaker controls */
1315 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1316 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1317 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1318 for (idx = 0; idx < 2; idx++)
1319 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1320 return err;
1321 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1322 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1323 }
1324
1325 /* build Phone controls */
1326 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1327 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1328 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1329 return err;
1330 }
1331 }
1332
1333 /* build MIC controls */
3998b70f
LG		 1334 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1335 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1336 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1337 return err;
1338 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1339 return err;
1340 }
1da177e4
LT		 1341 }
1342
1343 /* build Line controls */
1344 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1345 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1346 return err;
1347 }
1348
1349 /* build CD controls */
1350 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1351 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1352 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1353 return err;
1354 }
1355 }
1356
1357 /* build Video controls */
1358 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1359 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1360 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1361 return err;
1362 }
1363 }
1364
1365 /* build Aux controls */
1366 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1367 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1368 return err;
1369 }
1370
1371 /* build PCM controls */
1372 if (ac97->flags & AC97_AD_MULTI) {
1373 unsigned short init_val;
1374 if (ac97->flags & AC97_STEREO_MUTES)
1375 init_val = 0x9f9f;
1376 else
1377 init_val = 0x9f1f;
1378 for (idx = 0; idx < 2; idx++)
1379 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1380 return err;
1381 ac97->spec.ad18xx.pcmreg[0] = init_val;
1382 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1383 for (idx = 0; idx < 2; idx++)
1384 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1385 return err;
1386 ac97->spec.ad18xx.pcmreg[1] = init_val;
1387 }
1388 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1389 for (idx = 0; idx < 2; idx++)
1390 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1391 return err;
1392 for (idx = 0; idx < 2; idx++)
1393 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1394 return err;
1395 ac97->spec.ad18xx.pcmreg[2] = init_val;
1396 }
1397 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1398 } else {
3998b70f
LG		 1399 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1400 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1401 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1402 else
1403 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1404 if (err < 0)
1405 return err;
1406 }
1da177e4
LT		 1407 }
1408
1409 /* build Capture controls */
1410 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1411 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1412 return err;
1413 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1414 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1415 return err;
1416 }
1417 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1418 return err;
1419 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1420 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1421 }
1422 /* build MIC Capture controls */
1423 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1424 for (idx = 0; idx < 2; idx++)
1425 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1426 return err;
1427 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1428 }
1429
1430 /* build PCM out path & mute control */
1431 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1432 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1433 return err;
1434 }
1435
1436 /* build Simulated Stereo Enhancement control */
1437 if (ac97->caps & 0x0008) {
1438 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1439 return err;
1440 }
1441
1442 /* build 3D Stereo Enhancement control */
1443 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1444 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1445 return err;
1446 }
1447
1448 /* build Loudness control */
1449 if (ac97->caps & 0x0020) {
1450 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1451 return err;
1452 }
1453
1454 /* build Mono output select control */
1455 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1456 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1457 return err;
1458 }
1459
1460 /* build Mic select control */
1461 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1462 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1463 return err;
1464 }
1465
1466 /* build ADC/DAC loopback control */
1467 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1468 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1469 return err;
1470 }
1471
1472 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1473
1474 /* build 3D controls */
1475 if (ac97->build_ops->build_3d) {
1476 ac97->build_ops->build_3d(ac97);
1477 } else {
1478 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1479 unsigned short val;
1480 val = 0x0707;
1481 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1482 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1483 val = val == 0x0606;
1484 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1485 return err;
1486 if (val)
1487 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1488 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1489 return err;
1490 if (val)
1491 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1492 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1493 }
1494 }
1495
1496 /* build S/PDIF controls */
1497 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1498 if (ac97->build_ops->build_spdif) {
1499 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1500 return err;
1501 } else {
1502 for (idx = 0; idx < 5; idx++)
1503 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1504 return err;
1505 if (ac97->build_ops->build_post_spdif) {
1506 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1507 return err;
1508 }
1509 /* set default PCM S/PDIF params */
1510 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1511 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1512 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1513 }
1514 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1515 }
1516
1517 /* build chip specific controls */
1518 if (ac97->build_ops->build_specific)
1519 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1520 return err;
1521
1522 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1523 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1524 if (! kctl)
1525 return -ENOMEM;
1526 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1527 set_inv_eapd(ac97, kctl);
1528 if ((err = snd_ctl_add(card, kctl)) < 0)
1529 return err;
1530 }
1531
1532 return 0;
1533}
1534
ee42381e 1535static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1da177e4 1536{
87d61c29
SK		 1537 int err, idx;
1538
1da177e4
LT		 1539 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1540 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1541 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1542 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1543 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1544 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1545
1546 /* build modem switches */
1547 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
0444e2ac 1548 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
87d61c29
SK		 1549 return err;
1550
1551 /* build chip specific controls */
1552 if (ac97->build_ops->build_specific)
1553 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1554 return err;
1555
1da177e4
LT		 1556 return 0;
1557}
1558
ee42381e 1559static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1da177e4
LT		 1560{
1561 unsigned short val;
1562 unsigned int tmp;
1563
1564 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1565 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1566 if (shadow_reg)
1567 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1568 val = snd_ac97_read(ac97, reg);
1569 return val == (tmp & 0xffff);
1570}
1571
ee42381e 1572static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1da177e4
LT		 1573{
1574 unsigned int result = 0;
1575 unsigned short saved;
1576
1577 if (ac97->bus->no_vra) {
1578 *r_result = SNDRV_PCM_RATE_48000;
1579 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1580 reg == AC97_PCM_FRONT_DAC_RATE)
1581 *r_result |= SNDRV_PCM_RATE_96000;
1582 return;
1583 }
1584
1585 saved = snd_ac97_read(ac97, reg);
1586 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1587 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1588 AC97_EA_DRA, 0);
1589 /* test a non-standard rate */
1590 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1591 result |= SNDRV_PCM_RATE_CONTINUOUS;
1592 /* let's try to obtain standard rates */
1593 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1594 result |= SNDRV_PCM_RATE_8000;
1595 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1596 result |= SNDRV_PCM_RATE_11025;
1597 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1598 result |= SNDRV_PCM_RATE_16000;
1599 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1600 result |= SNDRV_PCM_RATE_22050;
1601 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1602 result |= SNDRV_PCM_RATE_32000;
1603 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1604 result |= SNDRV_PCM_RATE_44100;
1605 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1606 result |= SNDRV_PCM_RATE_48000;
1607 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1608 reg == AC97_PCM_FRONT_DAC_RATE) {
1609 /* test standard double rates */
1610 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1611 AC97_EA_DRA, AC97_EA_DRA);
1612 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1613 result |= SNDRV_PCM_RATE_64000;
1614 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1615 result |= SNDRV_PCM_RATE_88200;
1616 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1617 result |= SNDRV_PCM_RATE_96000;
1618 /* some codecs don't support variable double rates */
1619 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1620 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1621 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1622 AC97_EA_DRA, 0);
1623 }
1624 /* restore the default value */
1625 snd_ac97_write_cache(ac97, reg, saved);
1626 if (shadow_reg)
1627 snd_ac97_write_cache(ac97, shadow_reg, saved);
1628 *r_result = result;
1629}
1630
1631/* check AC97_SPDIF register to accept which sample rates */
ee42381e 1632static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1da177e4
LT		 1633{
1634 unsigned int result = 0;
1635 int i;
1636 static unsigned short ctl_bits[] = {
1637 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1638 };
1639 static unsigned int rate_bits[] = {
1640 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1641 };
1642
1643 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1644 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1645 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1646 result |= rate_bits[i];
1647 }
1648 return result;
1649}
1650
1651/* look for the codec id table matching with the given id */
ee42381e
TI		 1652static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1653 unsigned int id)
1da177e4 1654{
ee42381e 1655 const struct ac97_codec_id *pid;
1da177e4
LT		 1656
1657 for (pid = table; pid->id; pid++)
1658 if (pid->id == (id & pid->mask))
1659 return pid;
1660 return NULL;
1661}
1662
ee42381e 1663void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1da177e4 1664{
ee42381e 1665 const struct ac97_codec_id *pid;
1da177e4
LT		 1666
1667 sprintf(name, "0x%x %c%c%c", id,
1668 printable(id >> 24),
1669 printable(id >> 16),
1670 printable(id >> 8));
1671 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1672 if (! pid)
1673 return;
1674
1675 strcpy(name, pid->name);
1676 if (ac97 && pid->patch) {
1677 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1678 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1679 pid->patch(ac97);
1680 }
1681
1682 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1683 if (pid) {
1684 strcat(name, " ");
1685 strcat(name, pid->name);
1686 if (pid->mask != 0xffffffff)
1687 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1688 if (ac97 && pid->patch) {
1689 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1690 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1691 pid->patch(ac97);
1692 }
1693 } else
1694 sprintf(name + strlen(name), " id %x", id & 0xff);
1695}
1696
1697/**
1698 * snd_ac97_get_short_name - retrieve codec name
1699 * @ac97: the codec instance
1700 *
1701 * Returns the short identifying name of the codec.
1702 */
ee42381e 1703const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1da177e4 1704{
ee42381e 1705 const struct ac97_codec_id *pid;
1da177e4
LT		 1706
1707 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1708 if (pid->id == (ac97->id & pid->mask))
1709 return pid->name;
1710 return "unknown codec";
1711}
1712
1713
1714/* wait for a while until registers are accessible after RESET
1715 * return 0 if ok, negative not ready
1716 */
ee42381e 1717static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1da177e4
LT		 1718{
1719 unsigned long end_time;
1720 unsigned short val;
1721
1722 end_time = jiffies + timeout;
1723 do {
1724
1725 /* use preliminary reads to settle the communication */
1726 snd_ac97_read(ac97, AC97_RESET);
1727 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1728 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1729 /* modem? */
1730 if (with_modem) {
1731 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1732 if (val != 0xffff && (val & 1) != 0)
1733 return 0;
1734 }
1735 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1736 /* probably only Xbox issue - all registers are read as zero */
1737 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1738 if (val != 0 && val != 0xffff)
1739 return 0;
1740 } else {
1741 /* because the PCM or MASTER volume registers can be modified,
1742 * the REC_GAIN register is used for tests
1743 */
1744 /* test if we can write to the record gain volume register */
1745 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1746 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1747 return 0;
1748 }
8433a509 1749 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1750 } while (time_after_eq(end_time, jiffies));
1751 return -ENODEV;
1752}
1753
1754/**
1755 * snd_ac97_bus - create an AC97 bus component
1756 * @card: the card instance
1757 * @num: the bus number
1758 * @ops: the bus callbacks table
1759 * @private_data: private data pointer for the new instance
1760 * @rbus: the pointer to store the new AC97 bus instance.
1761 *
ee42381e 1762 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1da177e4
LT		 1763 * allocated and initialized.
1764 *
1765 * The ops table must include valid callbacks (at least read and
1766 * write). The other callbacks, wait and reset, are not mandatory.
1767 *
1768 * The clock is set to 48000. If another clock is needed, set
1769 * (*rbus)->clock manually.
1770 *
1771 * The AC97 bus instance is registered as a low-level device, so you don't
1772 * have to release it manually.
1773 *
1774 * Returns zero if successful, or a negative error code on failure.
1775 */
ee42381e
TI		 1776int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1777 void *private_data, struct snd_ac97_bus **rbus)
1da177e4
LT		 1778{
1779 int err;
ee42381e
TI		 1780 struct snd_ac97_bus *bus;
1781 static struct snd_device_ops dev_ops = {
1da177e4
LT		 1782 .dev_free = snd_ac97_bus_dev_free,
1783 };
1784
1785 snd_assert(card != NULL, return -EINVAL);
1786 snd_assert(rbus != NULL, return -EINVAL);
e560d8d8 1787 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 1788 if (bus == NULL)
1789 return -ENOMEM;
1790 bus->card = card;
1791 bus->num = num;
1792 bus->ops = ops;
1793 bus->private_data = private_data;
1794 bus->clock = 48000;
1795 spin_lock_init(&bus->bus_lock);
1796 snd_ac97_bus_proc_init(bus);
1797 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1798 snd_ac97_bus_free(bus);
1799 return err;
1800 }
1801 *rbus = bus;
1802 return 0;
1803}
1804
0ca06a00
LG		 1805/* stop no dev release warning */
1806static void ac97_device_release(struct device * dev)
1807{
1808}
1809
1810/* register ac97 codec to bus */
ee42381e 1811static int snd_ac97_dev_register(struct snd_device *device)
0ca06a00 1812{
ee42381e 1813 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1814 int err;
1815
1816 ac97->dev.bus = &ac97_bus_type;
1817 ac97->dev.parent = ac97->bus->card->dev;
0ca06a00 1818 ac97->dev.release = ac97_device_release;
61be3ce0 1819 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "card%d-%d", ac97->bus->card->number, ac97->num);
0ca06a00
LG		 1820 if ((err = device_register(&ac97->dev)) < 0) {
1821 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1822 ac97->dev.bus = NULL;
1823 return err;
1824 }
1825 return 0;
1826}
1827
1828/* unregister ac97 codec */
ee42381e 1829static int snd_ac97_dev_unregister(struct snd_device *device)
0ca06a00 1830{
ee42381e 1831 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1832 if (ac97->dev.bus)
1833 device_unregister(&ac97->dev);
1834 return snd_ac97_free(ac97);
1835}
1836
1da177e4
LT		 1837/* build_ops to do nothing */
1838static struct snd_ac97_build_ops null_build_ops;
1839
1840/**
1841 * snd_ac97_mixer - create an Codec97 component
1842 * @bus: the AC97 bus which codec is attached to
1843 * @template: the template of ac97, including index, callbacks and
1844 * the private data.
1845 * @rac97: the pointer to store the new ac97 instance.
1846 *
ee42381e 1847 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1da177e4
LT		 1848 * allocated and initialized from the template. The codec
1849 * is then initialized by the standard procedure.
1850 *
1851 * The template must include the codec number (num) and address (addr),
1852 * and the private data (private_data).
1853 *
1854 * The ac97 instance is registered as a low-level device, so you don't
1855 * have to release it manually.
1856 *
1857 * Returns zero if successful, or a negative error code on failure.
1858 */
ee42381e 1859int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1da177e4
LT		 1860{
1861 int err;
ee42381e
TI		 1862 struct snd_ac97 *ac97;
1863 struct snd_card *card;
1da177e4
LT		 1864 char name[64];
1865 unsigned long end_time;
1866 unsigned int reg;
ee42381e
TI		 1867 const struct ac97_codec_id *pid;
1868 static struct snd_device_ops ops = {
1da177e4 1869 .dev_free = snd_ac97_dev_free,
0ca06a00
LG		 1870 .dev_register = snd_ac97_dev_register,
1871 .dev_unregister = snd_ac97_dev_unregister,
1da177e4
LT		 1872 };
1873
1874 snd_assert(rac97 != NULL, return -EINVAL);
1875 *rac97 = NULL;
1876 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1877 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1878
1da177e4 1879 card = bus->card;
e560d8d8 1880 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1da177e4
LT		 1881 if (ac97 == NULL)
1882 return -ENOMEM;
1883 ac97->private_data = template->private_data;
1884 ac97->private_free = template->private_free;
1885 ac97->bus = bus;
1886 ac97->pci = template->pci;
1887 ac97->num = template->num;
1888 ac97->addr = template->addr;
1889 ac97->scaps = template->scaps;
1890 ac97->limited_regs = template->limited_regs;
1891 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1892 bus->codec[ac97->num] = ac97;
1893 init_MUTEX(&ac97->reg_mutex);
1894 init_MUTEX(&ac97->page_mutex);
1895
1896 if (ac97->pci) {
1897 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1898 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1899 }
1900 if (bus->ops->reset) {
1901 bus->ops->reset(ac97);
1902 goto __access_ok;
1903 }
1904
1905 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1906 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1907 if (ac97->id && ac97->id != (unsigned int)-1) {
1908 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1909 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1910 goto __access_ok;
1911 }
1912
23fea4da
SK		 1913 /* reset to defaults */
1914 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1915 snd_ac97_write(ac97, AC97_RESET, 0);
1916 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1917 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 1918 if (bus->ops->wait)
1919 bus->ops->wait(ac97);
1920 else {
1921 udelay(50);
1922 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1923 err = ac97_reset_wait(ac97, HZ/2, 1);
1924 else {
1925 err = ac97_reset_wait(ac97, HZ/2, 0);
1926 if (err < 0)
1927 err = ac97_reset_wait(ac97, HZ/2, 1);
1928 }
1929 if (err < 0) {
1930 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1931 /* proceed anyway - it's often non-critical */
1932 }
1933 }
1934 __access_ok:
1935 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1936 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1937 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1938 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1939 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1940 snd_ac97_free(ac97);
1941 return -EIO;
1942 }
1943 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1944 if (pid)
1945 ac97->flags |= pid->flags;
1946
1947 /* test for AC'97 */
1948 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1949 /* test if we can write to the record gain volume register */
1950 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1951 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1952 ac97->scaps |= AC97_SCAP_AUDIO;
1953 }
1954 if (ac97->scaps & AC97_SCAP_AUDIO) {
1955 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1956 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1957 if (ac97->ext_id == 0xffff) /* invalid combination */
1958 ac97->ext_id = 0;
1959 }
1960
1961 /* test for MC'97 */
1962 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1963 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1964 if (ac97->ext_mid == 0xffff) /* invalid combination */
1965 ac97->ext_mid = 0;
1966 if (ac97->ext_mid & 1)
1967 ac97->scaps |= AC97_SCAP_MODEM;
1968 }
1969
1970 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1971 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1972 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1973 snd_ac97_free(ac97);
1974 return -EACCES;
1975 }
1976
1977 if (bus->ops->reset) // FIXME: always skipping?
1978 goto __ready_ok;
1979
1980 /* FIXME: add powerdown control */
1981 if (ac97_is_audio(ac97)) {
1982 /* nothing should be in powerdown mode */
1983 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1984 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1985 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1986 udelay(100);
1987 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1988 }
1989 /* nothing should be in powerdown mode */
1990 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1991 end_time = jiffies + (HZ / 10);
1992 do {
1993 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1994 goto __ready_ok;
8433a509 1995 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1996 } while (time_after_eq(end_time, jiffies));
1997 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1998 }
1999
2000 /* FIXME: add powerdown control */
2001 if (ac97_is_modem(ac97)) {
2002 unsigned char tmp;
2003
2004 /* nothing should be in powerdown mode */
2005 /* note: it's important to set the rate at first */
2006 tmp = AC97_MEA_GPIO;
2007 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 2008 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 2009 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2010 }
2011 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 2012 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 2013 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2014 }
2015 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 2016 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 2017 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2018 }
8e8311b0 2019 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2020 udelay(100);
2021 /* nothing should be in powerdown mode */
8e8311b0 2022 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2023 end_time = jiffies + (HZ / 10);
2024 do {
2025 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2026 goto __ready_ok;
8433a509 2027 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2028 } while (time_after_eq(end_time, jiffies));
2029 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2030 }
2031
2032 __ready_ok:
2033 if (ac97_is_audio(ac97))
2034 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2035 else
2036 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2037 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2038 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2039 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2040 if (! bus->no_vra)
2041 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2042 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2043 }
2044 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2045 /* Intel controllers require double rate data to be put in
2046 * slots 7+8, so let's hope the codec supports it. */
2047 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2048 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2049 ac97->flags |= AC97_DOUBLE_RATE;
091e95ee
TI		 2050 /* restore to slots 10/11 to avoid the confliction with surrounds */
2051 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
1da177e4
LT		 2052 }
2053 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2054 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2055 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2056 } else {
2057 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2058 if (ac97->flags & AC97_DOUBLE_RATE)
2059 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2060 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2061 }
2062 if (ac97->ext_id & AC97_EI_SPDIF) {
2063 /* codec specific code (patch) should override these values */
2064 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2065 }
2066 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2067 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2068 } else {
2069 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2070 }
2071 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2072 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2073 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2074 }
2075 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2076 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2077 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2078 }
2079 /* additional initializations */
2080 if (bus->ops->init)
2081 bus->ops->init(ac97);
2082 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2083 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2084 if (! ac97->build_ops)
2085 ac97->build_ops = &null_build_ops;
2086
2087 if (ac97_is_audio(ac97)) {
2088 char comp[16];
2089 if (card->mixername[0] == '\0') {
2090 strcpy(card->mixername, name);
2091 } else {
2092 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2093 strcat(card->mixername, ",");
2094 strcat(card->mixername, name);
2095 }
2096 }
2097 sprintf(comp, "AC97a:%08x", ac97->id);
2098 if ((err = snd_component_add(card, comp)) < 0) {
2099 snd_ac97_free(ac97);
2100 return err;
2101 }
2102 if (snd_ac97_mixer_build(ac97) < 0) {
2103 snd_ac97_free(ac97);
2104 return -ENOMEM;
2105 }
2106 }
2107 if (ac97_is_modem(ac97)) {
2108 char comp[16];
2109 if (card->mixername[0] == '\0') {
2110 strcpy(card->mixername, name);
2111 } else {
2112 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2113 strcat(card->mixername, ",");
2114 strcat(card->mixername, name);
2115 }
2116 }
2117 sprintf(comp, "AC97m:%08x", ac97->id);
2118 if ((err = snd_component_add(card, comp)) < 0) {
2119 snd_ac97_free(ac97);
2120 return err;
2121 }
2122 if (snd_ac97_modem_build(card, ac97) < 0) {
2123 snd_ac97_free(ac97);
2124 return -ENOMEM;
2125 }
2126 }
2127 /* make sure the proper powerdown bits are cleared */
2ba71978 2128 if (ac97->scaps && ac97_is_audio(ac97)) {
1da177e4
LT		 2129 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2130 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2131 reg &= ~AC97_EA_PRJ;
2132 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2133 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2134 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2135 }
2136 snd_ac97_proc_init(ac97);
2137 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2138 snd_ac97_free(ac97);
2139 return err;
2140 }
2141 *rac97 = ac97;
1da177e4
LT		 2142 return 0;
2143}
2144
2145
2146/*
2147 * Power down the chip.
2148 *
2149 * MASTER and HEADPHONE registers are muted but the register cache values
2150 * are not changed, so that the values can be restored in snd_ac97_resume().
2151 */
ee42381e 2152static void snd_ac97_powerdown(struct snd_ac97 *ac97)
1da177e4
LT		 2153{
2154 unsigned short power;
2155
2156 if (ac97_is_audio(ac97)) {
2157 /* some codecs have stereo mute bits */
2158 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2159 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2160 }
2161
2162 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2163 power |= 0x4000; /* Headphone amplifier powerdown */
2164 power |= 0x0300; /* ADC & DAC powerdown */
2165 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2166 udelay(100);
2167 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2168 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2169 udelay(100);
2170#if 0
2171 /* FIXME: this causes click noises on some boards at resume */
2172 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2173 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2174#endif
2175}
2176
2177
2178#ifdef CONFIG_PM
2179/**
2180 * snd_ac97_suspend - General suspend function for AC97 codec
2181 * @ac97: the ac97 instance
2182 *
2183 * Suspends the codec, power down the chip.
2184 */
ee42381e 2185void snd_ac97_suspend(struct snd_ac97 *ac97)
1da177e4
LT		 2186{
2187 if (ac97->build_ops->suspend)
2188 ac97->build_ops->suspend(ac97);
2189 snd_ac97_powerdown(ac97);
2190}
2191
2192/*
2193 * restore ac97 status
2194 */
ee42381e 2195void snd_ac97_restore_status(struct snd_ac97 *ac97)
1da177e4
LT		 2196{
2197 int i;
2198
2199 for (i = 2; i < 0x7c ; i += 2) {
2200 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2201 continue;
2202 /* restore only accessible registers
2203 * some chip (e.g. nm256) may hang up when unsupported registers
2204 * are accessed..!
2205 */
2206 if (test_bit(i, ac97->reg_accessed)) {
2207 snd_ac97_write(ac97, i, ac97->regs[i]);
2208 snd_ac97_read(ac97, i);
2209 }
2210 }
2211}
2212
2213/*
2214 * restore IEC958 status
2215 */
ee42381e 2216void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
1da177e4
LT		 2217{
2218 if (ac97->ext_id & AC97_EI_SPDIF) {
2219 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2220 /* reset spdif status */
2221 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2222 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2223 if (ac97->flags & AC97_CS_SPDIF)
2224 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2225 else
2226 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2227 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2228 }
2229 }
2230}
2231
2232/**
2233 * snd_ac97_resume - General resume function for AC97 codec
2234 * @ac97: the ac97 instance
2235 *
2236 * Do the standard resume procedure, power up and restoring the
2237 * old register values.
2238 */
ee42381e 2239void snd_ac97_resume(struct snd_ac97 *ac97)
1da177e4 2240{
ef21ca24 2241 unsigned long end_time;
1da177e4
LT		 2242
2243 if (ac97->bus->ops->reset) {
2244 ac97->bus->ops->reset(ac97);
2245 goto __reset_ready;
2246 }
2247
2248 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2249 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2250 snd_ac97_write(ac97, AC97_RESET, 0);
2251 udelay(100);
2252 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2253 }
2254 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2255
2256 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2257 if (ac97_is_audio(ac97)) {
2258 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
ef21ca24
NA		 2259 end_time = jiffies + msecs_to_jiffies(100);
2260 do {
1da177e4
LT		 2261 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2262 break;
8433a509 2263 schedule_timeout_uninterruptible(1);
ef21ca24 2264 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2265 /* FIXME: extra delay */
2266 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
ef21ca24
NA		 2267 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2268 msleep(250);
1da177e4 2269 } else {
ef21ca24
NA		 2270 end_time = jiffies + msecs_to_jiffies(100);
2271 do {
1da177e4
LT		 2272 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2273 if (val != 0xffff && (val & 1) != 0)
2274 break;
8433a509 2275 schedule_timeout_uninterruptible(1);
ef21ca24 2276 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2277 }
2278__reset_ready:
2279
2280 if (ac97->bus->ops->init)
2281 ac97->bus->ops->init(ac97);
2282
2283 if (ac97->build_ops->resume)
2284 ac97->build_ops->resume(ac97);
2285 else {
2286 snd_ac97_restore_status(ac97);
2287 snd_ac97_restore_iec958(ac97);
2288 }
2289}
2290#endif
2291
2292
2293/*
2294 * Hardware tuning
2295 */
2296static void set_ctl_name(char *dst, const char *src, const char *suffix)
2297{
2298 if (suffix)
2299 sprintf(dst, "%s %s", src, suffix);
2300 else
2301 strcpy(dst, src);
2302}
2303
2304/* remove the control with the given name and optional suffix */
ee42381e 2305int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2306{
ee42381e 2307 struct snd_ctl_elem_id id;
1da177e4
LT		 2308 memset(&id, 0, sizeof(id));
2309 set_ctl_name(id.name, name, suffix);
2310 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2311 return snd_ctl_remove_id(ac97->bus->card, &id);
2312}
2313
ee42381e 2314static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2315{
ee42381e 2316 struct snd_ctl_elem_id sid;
1da177e4
LT		 2317 memset(&sid, 0, sizeof(sid));
2318 set_ctl_name(sid.name, name, suffix);
2319 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2320 return snd_ctl_find_id(ac97->bus->card, &sid);
2321}
2322
2323/* rename the control with the given name and optional suffix */
ee42381e 2324int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
1da177e4 2325{
ee42381e 2326 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
1da177e4
LT		 2327 if (kctl) {
2328 set_ctl_name(kctl->id.name, dst, suffix);
2329 return 0;
2330 }
2331 return -ENOENT;
2332}
2333
2334/* rename both Volume and Switch controls - don't check the return value */
ee42381e 2335void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
1da177e4
LT		 2336{
2337 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2338 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2339}
2340
2341/* swap controls */
ee42381e 2342int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
1da177e4 2343{
ee42381e 2344 struct snd_kcontrol *kctl1, *kctl2;
1da177e4
LT		 2345 kctl1 = ctl_find(ac97, s1, suffix);
2346 kctl2 = ctl_find(ac97, s2, suffix);
2347 if (kctl1 && kctl2) {
2348 set_ctl_name(kctl1->id.name, s2, suffix);
2349 set_ctl_name(kctl2->id.name, s1, suffix);
2350 return 0;
2351 }
2352 return -ENOENT;
2353}
2354
2355#if 1
2356/* bind hp and master controls instead of using only hp control */
ee42381e 2357static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2358{
2359 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2360 if (err > 0) {
2361 unsigned long priv_saved = kcontrol->private_value;
2362 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2363 snd_ac97_put_volsw(kcontrol, ucontrol);
2364 kcontrol->private_value = priv_saved;
2365 }
2366 return err;
2367}
2368
2369/* ac97 tune: bind Master and Headphone controls */
ee42381e 2370static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4 2371{
ee42381e
TI		 2372 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2373 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
1da177e4
LT		 2374 if (! msw || ! mvol)
2375 return -ENOENT;
2376 msw->put = bind_hp_volsw_put;
2377 mvol->put = bind_hp_volsw_put;
2378 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2379 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2380 return 0;
2381}
2382
2383#else
2384/* ac97 tune: use Headphone control as master */
ee42381e 2385static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4
LT		 2386{
2387 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2388 return -ENOENT;
2389 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2390 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2391 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2392 return 0;
2393}
2394#endif
2395
2396/* ac97 tune: swap Headphone and Master controls */
ee42381e 2397static int tune_swap_hp(struct snd_ac97 *ac97)
1da177e4
LT		 2398{
2399 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2400 return -ENOENT;
2401 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2402 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2403 return 0;
2404}
2405
2406/* ac97 tune: swap Surround and Master controls */
ee42381e 2407static int tune_swap_surround(struct snd_ac97 *ac97)
1da177e4
LT		 2408{
2409 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2410 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2411 return -ENOENT;
2412 return 0;
2413}
2414
2415/* ac97 tune: set up mic sharing for AD codecs */
ee42381e 2416static int tune_ad_sharing(struct snd_ac97 *ac97)
1da177e4
LT		 2417{
2418 unsigned short scfg;
2419 if ((ac97->id & 0xffffff00) != 0x41445300) {
2420 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2421 return -EINVAL;
2422 }
2423 /* Turn on OMS bit to route microphone to back panel */
2424 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2425 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2426 return 0;
2427}
2428
ee42381e 2429static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
1da177e4
LT		 2430AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2431
2432/* ac97 tune: set up ALC jack-select */
ee42381e 2433static int tune_alc_jack(struct snd_ac97 *ac97)
1da177e4
LT		 2434{
2435 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2436 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2437 return -EINVAL;
2438 }
2439 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2440 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2441 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2442}
2443
2444/* ac97 tune: inversed EAPD bit */
ee42381e 2445static int tune_inv_eapd(struct snd_ac97 *ac97)
1da177e4 2446{
ee42381e 2447 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
1da177e4
LT		 2448 if (! kctl)
2449 return -ENOENT;
2450 set_inv_eapd(ac97, kctl);
2451 return 0;
2452}
2453
ee42381e 2454static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2455{
2456 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2457 if (err > 0) {
ee42381e 2458 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 2459 int shift = (kcontrol->private_value >> 8) & 0x0f;
2460 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2461 unsigned short mask;
2462 if (shift != rshift)
2463 mask = 0x8080;
2464 else
2465 mask = 0x8000;
2466 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2467 (ac97->regs[AC97_MASTER] & mask) == mask ?
2468 0x8000 : 0);
2469 }
2470 return err;
2471}
2472
2473/* ac97 tune: EAPD controls mute LED bound with the master mute */
ee42381e 2474static int tune_mute_led(struct snd_ac97 *ac97)
1da177e4 2475{
ee42381e 2476 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
1da177e4
LT		 2477 if (! msw)
2478 return -ENOENT;
2479 msw->put = master_mute_sw_put;
2480 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2481 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2482 return 0;
2483}
2484
2485struct quirk_table {
2486 const char *name;
ee42381e 2487 int (*func)(struct snd_ac97 *);
1da177e4
LT		 2488};
2489
2490static struct quirk_table applicable_quirks[] = {
2491 { "none", NULL },
2492 { "hp_only", tune_hp_only },
2493 { "swap_hp", tune_swap_hp },
2494 { "swap_surround", tune_swap_surround },
2495 { "ad_sharing", tune_ad_sharing },
2496 { "alc_jack", tune_alc_jack },
2497 { "inv_eapd", tune_inv_eapd },
2498 { "mute_led", tune_mute_led },
2499};
2500
2501/* apply the quirk with the given type */
ee42381e 2502static int apply_quirk(struct snd_ac97 *ac97, int type)
1da177e4
LT		 2503{
2504 if (type <= 0)
2505 return 0;
2506 else if (type >= ARRAY_SIZE(applicable_quirks))
2507 return -EINVAL;
2508 if (applicable_quirks[type].func)
2509 return applicable_quirks[type].func(ac97);
2510 return 0;
2511}
2512
2513/* apply the quirk with the given name */
ee42381e 2514static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
1da177e4
LT		 2515{
2516 int i;
2517 struct quirk_table *q;
2518
2519 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2520 q = &applicable_quirks[i];
2521 if (q->name && ! strcmp(typestr, q->name))
2522 return apply_quirk(ac97, i);
2523 }
2524 /* for compatibility, accept the numbers, too */
2525 if (*typestr >= '0' && *typestr <= '9')
2526 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2527 return -EINVAL;
2528}
2529
2530/**
2531 * snd_ac97_tune_hardware - tune up the hardware
2532 * @ac97: the ac97 instance
2533 * @quirk: quirk list
2534 * @override: explicit quirk value (overrides the list if non-NULL)
2535 *
2536 * Do some workaround for each pci device, such as renaming of the
2537 * headphone (true line-out) control as "Master".
2538 * The quirk-list must be terminated with a zero-filled entry.
2539 *
2540 * Returns zero if successful, or a negative error code on failure.
2541 */
2542
ee42381e 2543int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
1da177e4
LT		 2544{
2545 int result;
2546
1da177e4
LT		 2547 /* quirk overriden? */
2548 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2549 result = apply_quirk_str(ac97, override);
2550 if (result < 0)
2551 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2552 return result;
2553 }
2554
4b499486
PP		 2555 if (! quirk)
2556 return -EINVAL;
2557
69ad07cf
JK		 2558 for (; quirk->subvendor; quirk++) {
2559 if (quirk->subvendor != ac97->subsystem_vendor)
1da177e4 2560 continue;
69ad07cf
JK		 2561 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2562 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
1da177e4
LT		 2563 if (quirk->codec_id && quirk->codec_id != ac97->id)
2564 continue;
2565 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2566 result = apply_quirk(ac97, quirk->type);
2567 if (result < 0)
2568 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2569 return result;
2570 }
2571 }
2572 return 0;
2573}
2574
2575
2576/*
2577 * Exported symbols
2578 */
2579
2580EXPORT_SYMBOL(snd_ac97_write);
2581EXPORT_SYMBOL(snd_ac97_read);
2582EXPORT_SYMBOL(snd_ac97_write_cache);
2583EXPORT_SYMBOL(snd_ac97_update);
2584EXPORT_SYMBOL(snd_ac97_update_bits);
2585EXPORT_SYMBOL(snd_ac97_get_short_name);
2586EXPORT_SYMBOL(snd_ac97_bus);
2587EXPORT_SYMBOL(snd_ac97_mixer);
2588EXPORT_SYMBOL(snd_ac97_pcm_assign);
2589EXPORT_SYMBOL(snd_ac97_pcm_open);
2590EXPORT_SYMBOL(snd_ac97_pcm_close);
2591EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2592EXPORT_SYMBOL(snd_ac97_tune_hardware);
2593EXPORT_SYMBOL(snd_ac97_set_rate);
2594#ifdef CONFIG_PM
2595EXPORT_SYMBOL(snd_ac97_resume);
2596EXPORT_SYMBOL(snd_ac97_suspend);
2597#endif
2598
2599/*
2600 * INIT part
2601 */
2602
2603static int __init alsa_ac97_init(void)
2604{
2605 return 0;
2606}
2607
2608static void __exit alsa_ac97_exit(void)
2609{
2610}
2611
2612module_init(alsa_ac97_init)
2613module_exit(alsa_ac97_exit)
Clone of davem's net-next-2.6 tree