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[ALSA] hda-intel - Add SiS966 support
[deliverable/linux.git] / sound / pci / ac97 / ac97_codec.c
CommitLineData
1da177e4
LT		 1/*
2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * Universal interface for Audio Codec '97
4 *
5 * For more details look to AC '97 component specification revision 2.2
6 * by Intel Corporation (http://developer.intel.com).
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25#include <sound/driver.h>
26#include <linux/delay.h>
27#include <linux/init.h>
28#include <linux/slab.h>
29#include <linux/pci.h>
30#include <linux/moduleparam.h>
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
53typedef struct {
54 unsigned int id;
55 unsigned int mask;
56 const char *name;
57 int (*patch)(ac97_t *ac97);
58 int (*mpatch)(ac97_t *ac97);
59 unsigned int flags;
60} ac97_codec_id_t;
61
62static const ac97_codec_id_t snd_ac97_codec_id_vendors[] = {
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
89static const ac97_codec_id_t snd_ac97_codec_ids[] = {
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 },
115{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
116{ 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
117{ 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
118{ 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
119{ 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
120{ 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
121{ 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
122{ 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
5f0dccf8 123{ 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
1da177e4
LT		 124{ 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
125{ 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
126{ 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
127{ 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
128{ 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
129{ 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
130{ 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
131{ 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
132{ 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
133{ 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
134{ 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
135{ 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
136{ 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
137{ 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
138{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
139{ 0x454d4328, 0xffffffff, "28028", NULL, NULL }, // same as TR28028?
140{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
141{ 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
142{ 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
143{ 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
144{ 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
145{ 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
146{ 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
147{ 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
148{ 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
149{ 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
150{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
151{ 0x4e534350, 0xffffffff, "LM4550", NULL, NULL },
152{ 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
87d61c29 153{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
1da177e4
LT		 154{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
155{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
156{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
157{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
158{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
159{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
160{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
161{ 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
162{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
163{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
164{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
165{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
166{ 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
167{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
168{ 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
169{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
170{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
171{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
172{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
173{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
174{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
175{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
176{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
177{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
178{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
179{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
180{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
181{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
182{ 0, 0, NULL, NULL, NULL }
183};
184
185const char *snd_ac97_stereo_enhancements[] =
186{
187 /* 0 */ "No 3D Stereo Enhancement",
188 /* 1 */ "Analog Devices Phat Stereo",
189 /* 2 */ "Creative Stereo Enhancement",
190 /* 3 */ "National Semi 3D Stereo Enhancement",
191 /* 4 */ "YAMAHA Ymersion",
192 /* 5 */ "BBE 3D Stereo Enhancement",
193 /* 6 */ "Crystal Semi 3D Stereo Enhancement",
194 /* 7 */ "Qsound QXpander",
195 /* 8 */ "Spatializer 3D Stereo Enhancement",
196 /* 9 */ "SRS 3D Stereo Enhancement",
197 /* 10 */ "Platform Tech 3D Stereo Enhancement",
198 /* 11 */ "AKM 3D Audio",
199 /* 12 */ "Aureal Stereo Enhancement",
200 /* 13 */ "Aztech 3D Enhancement",
201 /* 14 */ "Binaura 3D Audio Enhancement",
202 /* 15 */ "ESS Technology Stereo Enhancement",
203 /* 16 */ "Harman International VMAx",
204 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
205 /* 18 */ "Philips Incredible Sound",
206 /* 19 */ "Texas Instruments 3D Stereo Enhancement",
207 /* 20 */ "VLSI Technology 3D Stereo Enhancement",
208 /* 21 */ "TriTech 3D Stereo Enhancement",
209 /* 22 */ "Realtek 3D Stereo Enhancement",
210 /* 23 */ "Samsung 3D Stereo Enhancement",
211 /* 24 */ "Wolfson Microelectronics 3D Enhancement",
212 /* 25 */ "Delta Integration 3D Enhancement",
213 /* 26 */ "SigmaTel 3D Enhancement",
214 /* 27 */ "IC Ensemble/KS Waves",
215 /* 28 */ "Rockwell 3D Stereo Enhancement",
216 /* 29 */ "Reserved 29",
217 /* 30 */ "Reserved 30",
218 /* 31 */ "Reserved 31"
219};
220
221/*
222 * Shared AC97 controllers (ICH, ATIIXP...)
223 */
224static DECLARE_MUTEX(shared_codec_mutex);
225static ac97_t *shared_codec[AC97_SHARED_TYPES][4];
226
227
228/*
229 * I/O routines
230 */
231
232static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg)
233{
234 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
235 return 0;
236
237 /* filter some registers for buggy codecs */
238 switch (ac97->id) {
239 case AC97_ID_AK4540:
240 case AC97_ID_AK4542:
241 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
242 return 1;
243 return 0;
244 case AC97_ID_AD1819: /* AD1819 */
245 case AC97_ID_AD1881: /* AD1881 */
246 case AC97_ID_AD1881A: /* AD1881A */
247 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
248 return 0;
249 return 1;
250 case AC97_ID_AD1885: /* AD1885 */
251 case AC97_ID_AD1886: /* AD1886 */
252 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
253 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
254 if (reg == 0x5a)
255 return 1;
256 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
257 return 0;
258 return 1;
259 case AC97_ID_STAC9700:
260 case AC97_ID_STAC9704:
261 case AC97_ID_STAC9705:
262 case AC97_ID_STAC9708:
263 case AC97_ID_STAC9721:
264 case AC97_ID_STAC9744:
265 case AC97_ID_STAC9756:
266 if (reg <= 0x3a || reg >= 0x5a)
267 return 1;
268 return 0;
269 }
270 return 1;
271}
272
273/**
274 * snd_ac97_write - write a value on the given register
275 * @ac97: the ac97 instance
276 * @reg: the register to change
277 * @value: the value to set
278 *
279 * Writes a value on the given register. This will invoke the write
280 * callback directly after the register check.
281 * This function doesn't change the register cache unlike
282 * #snd_ca97_write_cache(), so use this only when you don't want to
283 * reflect the change to the suspend/resume state.
284 */
285void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value)
286{
287 if (!snd_ac97_valid_reg(ac97, reg))
288 return;
289 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
290 /* Fix H/W bug of ALC100/100P */
291 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
292 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
293 }
294 ac97->bus->ops->write(ac97, reg, value);
295}
296
297/**
298 * snd_ac97_read - read a value from the given register
299 *
300 * @ac97: the ac97 instance
301 * @reg: the register to read
302 *
303 * Reads a value from the given register. This will invoke the read
304 * callback directly after the register check.
305 *
306 * Returns the read value.
307 */
308unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg)
309{
310 if (!snd_ac97_valid_reg(ac97, reg))
311 return 0;
312 return ac97->bus->ops->read(ac97, reg);
313}
314
315/* read a register - return the cached value if already read */
316static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short reg)
317{
318 if (! test_bit(reg, ac97->reg_accessed)) {
319 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
320 // set_bit(reg, ac97->reg_accessed);
321 }
322 return ac97->regs[reg];
323}
324
325/**
326 * snd_ac97_write_cache - write a value on the given register and update the cache
327 * @ac97: the ac97 instance
328 * @reg: the register to change
329 * @value: the value to set
330 *
331 * Writes a value on the given register and updates the register
332 * cache. The cached values are used for the cached-read and the
333 * suspend/resume.
334 */
335void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value)
336{
337 if (!snd_ac97_valid_reg(ac97, reg))
338 return;
339 down(&ac97->reg_mutex);
340 ac97->regs[reg] = value;
341 ac97->bus->ops->write(ac97, reg, value);
342 set_bit(reg, ac97->reg_accessed);
343 up(&ac97->reg_mutex);
344}
345
346/**
347 * snd_ac97_update - update the value on the given register
348 * @ac97: the ac97 instance
349 * @reg: the register to change
350 * @value: the value to set
351 *
352 * Compares the value with the register cache and updates the value
353 * only when the value is changed.
354 *
355 * Returns 1 if the value is changed, 0 if no change, or a negative
356 * code on failure.
357 */
358int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value)
359{
360 int change;
361
362 if (!snd_ac97_valid_reg(ac97, reg))
363 return -EINVAL;
364 down(&ac97->reg_mutex);
365 change = ac97->regs[reg] != value;
366 if (change) {
367 ac97->regs[reg] = value;
368 ac97->bus->ops->write(ac97, reg, value);
369 }
52b72388 370 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 371 up(&ac97->reg_mutex);
372 return change;
373}
374
375/**
376 * snd_ac97_update_bits - update the bits on the given register
377 * @ac97: the ac97 instance
378 * @reg: the register to change
379 * @mask: the bit-mask to change
380 * @value: the value to set
381 *
382 * Updates the masked-bits on the given register only when the value
383 * is changed.
384 *
385 * Returns 1 if the bits are changed, 0 if no change, or a negative
386 * code on failure.
387 */
388int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value)
389{
390 int change;
391
392 if (!snd_ac97_valid_reg(ac97, reg))
393 return -EINVAL;
394 down(&ac97->reg_mutex);
395 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
396 up(&ac97->reg_mutex);
397 return change;
398}
399
400/* no lock version - see snd_ac97_updat_bits() */
401int snd_ac97_update_bits_nolock(ac97_t *ac97, unsigned short reg,
402 unsigned short mask, unsigned short value)
403{
404 int change;
405 unsigned short old, new;
406
407 old = snd_ac97_read_cache(ac97, reg);
408 new = (old & ~mask) | value;
409 change = old != new;
410 if (change) {
411 ac97->regs[reg] = new;
412 ac97->bus->ops->write(ac97, reg, new);
413 }
52b72388 414 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 415 return change;
416}
417
418static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value)
419{
420 int change;
421 unsigned short old, new, cfg;
422
423 down(&ac97->page_mutex);
424 old = ac97->spec.ad18xx.pcmreg[codec];
425 new = (old & ~mask) | value;
426 change = old != new;
427 if (change) {
428 down(&ac97->reg_mutex);
429 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
430 ac97->spec.ad18xx.pcmreg[codec] = new;
431 /* select single codec */
432 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
433 (cfg & ~0x7000) |
434 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
435 /* update PCM bits */
436 ac97->bus->ops->write(ac97, AC97_PCM, new);
437 /* select all codecs */
438 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
439 cfg | 0x7000);
440 up(&ac97->reg_mutex);
441 }
442 up(&ac97->page_mutex);
443 return change;
444}
445
446/*
447 * Controls
448 */
449
450int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
451{
452 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
453
454 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
455 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
456 uinfo->value.enumerated.items = e->mask;
457
458 if (uinfo->value.enumerated.item > e->mask - 1)
459 uinfo->value.enumerated.item = e->mask - 1;
460 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
461 return 0;
462}
463
464int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
465{
466 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
467 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 468 unsigned short val, bitmask;
1da177e4 469
b16760bb 470 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 471 ;
1da177e4 472 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 473 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 474 if (e->shift_l != e->shift_r)
5f0dccf8 475 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 476
477 return 0;
478}
479
480int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
481{
482 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
483 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
484 unsigned short val;
5f0dccf8 485 unsigned short mask, bitmask;
1da177e4 486
b16760bb 487 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 488 ;
1da177e4
LT		 489 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
490 return -EINVAL;
491 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 492 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 493 if (e->shift_l != e->shift_r) {
494 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
495 return -EINVAL;
496 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 497 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 498 }
499 return snd_ac97_update_bits(ac97, e->reg, mask, val);
500}
501
502/* save/restore ac97 v2.3 paging */
503static int snd_ac97_page_save(ac97_t *ac97, int reg, snd_kcontrol_t *kcontrol)
504{
505 int page_save = -1;
506 if ((kcontrol->private_value & (1<<25)) &&
507 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
508 (reg >= 0x60 && reg < 0x70)) {
509 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
510 down(&ac97->page_mutex); /* lock paging */
511 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
512 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
513 }
514 return page_save;
515}
516
517static void snd_ac97_page_restore(ac97_t *ac97, int page_save)
518{
519 if (page_save >= 0) {
520 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
521 up(&ac97->page_mutex); /* unlock paging */
522 }
523}
524
525/* volume and switch controls */
526int snd_ac97_info_volsw(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
527{
528 int mask = (kcontrol->private_value >> 16) & 0xff;
529 int shift = (kcontrol->private_value >> 8) & 0x0f;
530 int rshift = (kcontrol->private_value >> 12) & 0x0f;
531
532 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
533 uinfo->count = shift == rshift ? 1 : 2;
534 uinfo->value.integer.min = 0;
535 uinfo->value.integer.max = mask;
536 return 0;
537}
538
539int snd_ac97_get_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
540{
541 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
542 int reg = kcontrol->private_value & 0xff;
543 int shift = (kcontrol->private_value >> 8) & 0x0f;
544 int rshift = (kcontrol->private_value >> 12) & 0x0f;
545 int mask = (kcontrol->private_value >> 16) & 0xff;
546 int invert = (kcontrol->private_value >> 24) & 0x01;
547 int page_save;
548
549 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
550 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
551 if (shift != rshift)
552 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
553 if (invert) {
554 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
555 if (shift != rshift)
556 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
557 }
558 snd_ac97_page_restore(ac97, page_save);
559 return 0;
560}
561
562int snd_ac97_put_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
563{
564 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
565 int reg = kcontrol->private_value & 0xff;
566 int shift = (kcontrol->private_value >> 8) & 0x0f;
567 int rshift = (kcontrol->private_value >> 12) & 0x0f;
568 int mask = (kcontrol->private_value >> 16) & 0xff;
569 int invert = (kcontrol->private_value >> 24) & 0x01;
570 int err, page_save;
571 unsigned short val, val2, val_mask;
572
573 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
574 val = (ucontrol->value.integer.value[0] & mask);
575 if (invert)
576 val = mask - val;
577 val_mask = mask << shift;
578 val = val << shift;
579 if (shift != rshift) {
580 val2 = (ucontrol->value.integer.value[1] & mask);
581 if (invert)
582 val2 = mask - val2;
583 val_mask |= mask << rshift;
584 val |= val2 << rshift;
585 }
586 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
587 snd_ac97_page_restore(ac97, page_save);
588 return err;
589}
590
591static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = {
592AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
593AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
594};
595
596static const snd_kcontrol_new_t snd_ac97_controls_tone[2] = {
597AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
598AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
599};
600
601static const snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = {
602AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
603AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
604};
605
606static const snd_kcontrol_new_t snd_ac97_controls_mic_boost =
607 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
608
609
610static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
611static const char* std_3d_path[] = {"pre 3D", "post 3D"};
612static const char* std_mix[] = {"Mix", "Mic"};
613static const char* std_mic[] = {"Mic1", "Mic2"};
614
615static const struct ac97_enum std_enum[] = {
616AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
617AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
618AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
619AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
620};
621
622static const snd_kcontrol_new_t snd_ac97_control_capture_src =
623AC97_ENUM("Capture Source", std_enum[0]);
624
625static const snd_kcontrol_new_t snd_ac97_control_capture_vol =
626AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
627
628static const snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = {
629AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
630AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
631};
632
633typedef enum {
634 AC97_GENERAL_PCM_OUT = 0,
635 AC97_GENERAL_STEREO_ENHANCEMENT,
636 AC97_GENERAL_3D,
637 AC97_GENERAL_LOUDNESS,
638 AC97_GENERAL_MONO,
639 AC97_GENERAL_MIC,
640 AC97_GENERAL_LOOPBACK
641} ac97_general_index_t;
642
643static const snd_kcontrol_new_t snd_ac97_controls_general[7] = {
644AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
645AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
646AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
647AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
648AC97_ENUM("Mono Output Select", std_enum[2]),
649AC97_ENUM("Mic Select", std_enum[3]),
650AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
651};
652
653const snd_kcontrol_new_t snd_ac97_controls_3d[2] = {
654AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
655AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
656};
657
658static const snd_kcontrol_new_t snd_ac97_controls_center[2] = {
659AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
660AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
661};
662
663static const snd_kcontrol_new_t snd_ac97_controls_lfe[2] = {
664AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
665AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
666};
667
1da177e4
LT		 668static const snd_kcontrol_new_t snd_ac97_control_eapd =
669AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
670
87d61c29
SK		 671static const snd_kcontrol_new_t snd_ac97_controls_modem_switches[2] = {
672AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
673AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
674};
675
1da177e4
LT		 676/* change the existing EAPD control as inverted */
677static void set_inv_eapd(ac97_t *ac97, snd_kcontrol_t *kctl)
678{
679 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
680 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
681 ac97->scaps |= AC97_SCAP_INV_EAPD;
682}
683
684static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
685{
686 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
687 uinfo->count = 1;
688 return 0;
689}
690
691static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
692{
693 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
694 IEC958_AES0_NONAUDIO |
695 IEC958_AES0_CON_EMPHASIS_5015 |
696 IEC958_AES0_CON_NOT_COPYRIGHT;
697 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
698 IEC958_AES1_CON_ORIGINAL;
699 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
700 return 0;
701}
702
703static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
704{
705 /* FIXME: AC'97 spec doesn't say which bits are used for what */
706 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
707 IEC958_AES0_NONAUDIO |
708 IEC958_AES0_PRO_FS |
709 IEC958_AES0_PRO_EMPHASIS_5015;
710 return 0;
711}
712
713static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
714{
715 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
716
717 down(&ac97->reg_mutex);
718 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
719 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
720 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
721 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
722 up(&ac97->reg_mutex);
723 return 0;
724}
725
726static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
727{
728 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
729 unsigned int new = 0;
730 unsigned short val = 0;
731 int change;
732
733 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
734 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
735 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
736 switch (new & IEC958_AES0_PRO_FS) {
737 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
738 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
739 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
740 default: val |= 1<<12; break;
741 }
742 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
743 val |= 1<<3;
744 } else {
745 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
746 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
747 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
748 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
749 val |= 1<<3;
750 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
751 val |= 1<<2;
752 val |= ((new >> 8) & 0xff) << 4; // category + original
753 switch ((new >> 24) & 0xff) {
754 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
755 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
756 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
757 default: val |= 1<<12; break;
758 }
759 }
760
761 down(&ac97->reg_mutex);
762 change = ac97->spdif_status != new;
763 ac97->spdif_status = new;
764
765 if (ac97->flags & AC97_CS_SPDIF) {
766 int x = (val >> 12) & 0x03;
767 switch (x) {
768 case 0: x = 1; break; // 44.1
769 case 2: x = 0; break; // 48.0
770 default: x = 0; break; // illegal.
771 }
772 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
773 } else if (ac97->flags & AC97_CX_SPDIF) {
774 int v;
775 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
776 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
777 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
778 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
779 v);
780 } else {
781 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
782 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
783
784 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
785 if (extst & AC97_EA_SPDIF) {
786 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
787 }
788 }
789 up(&ac97->reg_mutex);
790
791 return change;
792}
793
794static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
795{
796 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
797 int reg = kcontrol->private_value & 0xff;
798 int shift = (kcontrol->private_value >> 8) & 0xff;
799 int mask = (kcontrol->private_value >> 16) & 0xff;
800 // int invert = (kcontrol->private_value >> 24) & 0xff;
801 unsigned short value, old, new;
802 int change;
803
804 value = (ucontrol->value.integer.value[0] & mask);
805
806 down(&ac97->reg_mutex);
807 mask <<= shift;
808 value <<= shift;
809 old = snd_ac97_read_cache(ac97, reg);
810 new = (old & ~mask) | value;
811 change = old != new;
812
813 if (change) {
814 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
815 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
816 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
817 if (extst & AC97_EA_SPDIF)
818 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
819 }
820 up(&ac97->reg_mutex);
821 return change;
822}
823
824const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = {
825 {
826 .access = SNDRV_CTL_ELEM_ACCESS_READ,
827 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
828 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
829 .info = snd_ac97_spdif_mask_info,
830 .get = snd_ac97_spdif_cmask_get,
831 },
832 {
833 .access = SNDRV_CTL_ELEM_ACCESS_READ,
834 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
835 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
836 .info = snd_ac97_spdif_mask_info,
837 .get = snd_ac97_spdif_pmask_get,
838 },
839 {
840 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
841 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
842 .info = snd_ac97_spdif_mask_info,
843 .get = snd_ac97_spdif_default_get,
844 .put = snd_ac97_spdif_default_put,
845 },
846
847 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
848 {
849 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
850 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
851 .info = snd_ac97_info_volsw,
852 .get = snd_ac97_get_volsw,
853 .put = snd_ac97_put_spsa,
854 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
855 },
856};
857
858#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
859{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
860 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
861 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
862
863static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
864{
865 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
866 int mask = (kcontrol->private_value >> 16) & 0x0f;
867 int lshift = (kcontrol->private_value >> 8) & 0x0f;
868 int rshift = (kcontrol->private_value >> 12) & 0x0f;
869
870 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
871 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
872 uinfo->count = 2;
873 else
874 uinfo->count = 1;
875 uinfo->value.integer.min = 0;
876 uinfo->value.integer.max = mask;
877 return 0;
878}
879
880static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
881{
882 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
883 int codec = kcontrol->private_value & 3;
884 int lshift = (kcontrol->private_value >> 8) & 0x0f;
885 int rshift = (kcontrol->private_value >> 12) & 0x0f;
886 int mask = (kcontrol->private_value >> 16) & 0xff;
887
888 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
889 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
890 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
891 return 0;
892}
893
894static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
895{
896 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
897 int codec = kcontrol->private_value & 3;
898 int lshift = (kcontrol->private_value >> 8) & 0x0f;
899 int rshift = (kcontrol->private_value >> 12) & 0x0f;
900 int mask = (kcontrol->private_value >> 16) & 0xff;
901 unsigned short val, valmask;
902
903 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
904 valmask = mask << lshift;
905 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
906 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
907 valmask |= mask << rshift;
908 }
909 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
910}
911
912#define AD18XX_PCM_VOLUME(xname, codec) \
913{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
914 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
915 .private_value = codec }
916
917static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
918{
919 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
920 uinfo->count = 2;
921 uinfo->value.integer.min = 0;
922 uinfo->value.integer.max = 31;
923 return 0;
924}
925
926static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
927{
928 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
929 int codec = kcontrol->private_value & 3;
930
931 down(&ac97->page_mutex);
932 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
933 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
934 up(&ac97->page_mutex);
935 return 0;
936}
937
938static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
939{
940 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
941 int codec = kcontrol->private_value & 3;
942 unsigned short val1, val2;
943
944 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
945 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
946 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
947}
948
949static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = {
950AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
951AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
952};
953
954static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = {
955AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
956AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
957};
958
959static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = {
960AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
961AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
962};
963
964static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = {
965AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
966AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
967};
968
969/*
970 *
971 */
972
973static void snd_ac97_powerdown(ac97_t *ac97);
974
975static int snd_ac97_bus_free(ac97_bus_t *bus)
976{
977 if (bus) {
978 snd_ac97_bus_proc_done(bus);
979 kfree(bus->pcms);
980 if (bus->private_free)
981 bus->private_free(bus);
982 kfree(bus);
983 }
984 return 0;
985}
986
987static int snd_ac97_bus_dev_free(snd_device_t *device)
988{
989 ac97_bus_t *bus = device->device_data;
990 return snd_ac97_bus_free(bus);
991}
992
993static int snd_ac97_free(ac97_t *ac97)
994{
995 if (ac97) {
996 snd_ac97_proc_done(ac97);
997 if (ac97->bus) {
998 ac97->bus->codec[ac97->num] = NULL;
999 if (ac97->bus->shared_type) {
1000 down(&shared_codec_mutex);
1001 shared_codec[ac97->bus->shared_type-1][ac97->num] = NULL;
1002 up(&shared_codec_mutex);
1003 }
1004 }
1005 if (ac97->private_free)
1006 ac97->private_free(ac97);
1007 kfree(ac97);
1008 }
1009 return 0;
1010}
1011
1012static int snd_ac97_dev_free(snd_device_t *device)
1013{
1014 ac97_t *ac97 = device->device_data;
1015 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1016 return snd_ac97_free(ac97);
1017}
1018
1019static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg)
1020{
1021 unsigned short val, mask = 0x8000;
1022
1023 if (! snd_ac97_valid_reg(ac97, reg))
1024 return 0;
1025
1026 switch (reg) {
1027 case AC97_MASTER_TONE:
1028 return ac97->caps & 0x04 ? 1 : 0;
1029 case AC97_HEADPHONE:
1030 return ac97->caps & 0x10 ? 1 : 0;
1031 case AC97_REC_GAIN_MIC:
1032 return ac97->caps & 0x01 ? 1 : 0;
1033 case AC97_3D_CONTROL:
1034 if (ac97->caps & 0x7c00) {
1035 val = snd_ac97_read(ac97, reg);
1036 /* if nonzero - fixed and we can't set it */
1037 return val == 0;
1038 }
1039 return 0;
1040 case AC97_CENTER_LFE_MASTER: /* center */
1041 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1042 return 0;
1043 break;
1044 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1045 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1046 return 0;
1047 reg = AC97_CENTER_LFE_MASTER;
1048 mask = 0x0080;
1049 break;
1050 case AC97_SURROUND_MASTER:
1051 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1052 return 0;
1053 break;
1054 }
1055
1056 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1057 return 1; /* allow without check */
1058
1059 val = snd_ac97_read(ac97, reg);
1060 if (!(val & mask)) {
1061 /* nothing seems to be here - mute flag is not set */
1062 /* try another test */
1063 snd_ac97_write_cache(ac97, reg, val | mask);
1064 val = snd_ac97_read(ac97, reg);
1065 if (!(val & mask))
1066 return 0; /* nothing here */
1067 }
1068 return 1; /* success, useable */
1069}
1070
1071static void check_volume_resolution(ac97_t *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1072{
1073 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1074 unsigned char max[3] = { 63, 31, 15 };
1075 int i;
1076
1077 *lo_max = *hi_max = 0;
1078 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1079 unsigned short val;
1080 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
c9eab129
JCD		 1081 /* Do the read twice due to buffers on some ac97 codecs.
1082 * e.g. The STAC9704 returns exactly what you wrote the the register
1083 * if you read it immediately. This causes the detect routine to fail.
1084 */
1085 val = snd_ac97_read(ac97, reg);
1da177e4 1086 val = snd_ac97_read(ac97, reg);
a2142674 1087 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1088 *lo_max = max[i];
a2142674 1089 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1090 *hi_max = max[i];
1091 if (*lo_max && *hi_max)
1092 break;
1093 }
1094}
1095
1096int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit)
1097{
1098 unsigned short mask, val, orig, res;
1099
1100 mask = 1 << bit;
1101 orig = snd_ac97_read(ac97, reg);
1102 val = orig ^ mask;
1103 snd_ac97_write(ac97, reg, val);
1104 res = snd_ac97_read(ac97, reg);
1105 snd_ac97_write_cache(ac97, reg, orig);
1106 return res == val;
1107}
1108
1109/* check the volume resolution of center/lfe */
1110static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max)
1111{
1112 unsigned short val, val1;
1113
1114 *max = 63;
1115 val = 0x8080 | (0x20 << shift);
1116 snd_ac97_write(ac97, reg, val);
1117 val1 = snd_ac97_read(ac97, reg);
1118 if (val != val1) {
1119 *max = 31;
1120 }
1121 /* reset volume to zero */
1122 snd_ac97_write_cache(ac97, reg, 0x8080);
1123}
1124
1125static inline int printable(unsigned int x)
1126{
1127 x &= 0xff;
1128 if (x < ' ' || x >= 0x71) {
1129 if (x <= 0x89)
1130 return x - 0x71 + 'A';
1131 return '?';
1132 }
1133 return x;
1134}
1135
1136snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97)
1137{
1138 snd_kcontrol_new_t template;
1139 memcpy(&template, _template, sizeof(template));
1140 snd_runtime_check(!template.index, return NULL);
1141 template.index = ac97->num;
1142 return snd_ctl_new1(&template, ac97);
1143}
1144
1145/*
1146 * create mute switch(es) for normal stereo controls
1147 */
1148static int snd_ac97_cmute_new_stereo(snd_card_t *card, char *name, int reg, int check_stereo, ac97_t *ac97)
1149{
1150 snd_kcontrol_t *kctl;
1151 int err;
1152 unsigned short val, val1, mute_mask;
1153
1154 if (! snd_ac97_valid_reg(ac97, reg))
1155 return 0;
1156
1157 mute_mask = 0x8000;
1158 val = snd_ac97_read(ac97, reg);
1159 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1160 /* check whether both mute bits work */
1161 val1 = val | 0x8080;
1162 snd_ac97_write(ac97, reg, val1);
1163 if (val1 == snd_ac97_read(ac97, reg))
1164 mute_mask = 0x8080;
1165 }
1166 if (mute_mask == 0x8080) {
1167 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1168 tmp.index = ac97->num;
1169 kctl = snd_ctl_new1(&tmp, ac97);
1170 } else {
1171 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1172 tmp.index = ac97->num;
1173 kctl = snd_ctl_new1(&tmp, ac97);
1174 }
1175 err = snd_ctl_add(card, kctl);
1176 if (err < 0)
1177 return err;
1178 /* mute as default */
1179 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1180 return 0;
1181}
1182
1183/*
1184 * create a volume for normal stereo/mono controls
1185 */
1186static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int lo_max,
1187 unsigned int hi_max, ac97_t *ac97)
1188{
1189 int err;
1190 snd_kcontrol_t *kctl;
1191
1192 if (! snd_ac97_valid_reg(ac97, reg))
1193 return 0;
1194 if (hi_max) {
1195 /* invert */
1196 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1197 tmp.index = ac97->num;
1198 kctl = snd_ctl_new1(&tmp, ac97);
1199 } else {
1200 /* invert */
1201 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1202 tmp.index = ac97->num;
1203 kctl = snd_ctl_new1(&tmp, ac97);
1204 }
1205 err = snd_ctl_add(card, kctl);
1206 if (err < 0)
1207 return err;
1208 snd_ac97_write_cache(ac97, reg,
1209 (snd_ac97_read(ac97, reg) & 0x8080) |
1210 lo_max | (hi_max << 8));
1211 return 0;
1212}
1213
1214/*
1215 * create a mute-switch and a volume for normal stereo/mono controls
1216 */
1217static int snd_ac97_cmix_new_stereo(snd_card_t *card, const char *pfx, int reg, int check_stereo, ac97_t *ac97)
1218{
1219 int err;
1220 char name[44];
1221 unsigned char lo_max, hi_max;
1222
1223 if (! snd_ac97_valid_reg(ac97, reg))
1224 return 0;
1225
1226 if (snd_ac97_try_bit(ac97, reg, 15)) {
1227 sprintf(name, "%s Switch", pfx);
1228 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1229 return err;
1230 }
1231 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1232 if (lo_max) {
1233 sprintf(name, "%s Volume", pfx);
1234 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1235 return err;
1236 }
1237 return 0;
1238}
1239
1240#define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1241#define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1242
1243static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97);
1244
1245static int snd_ac97_mixer_build(ac97_t * ac97)
1246{
1247 snd_card_t *card = ac97->bus->card;
1248 snd_kcontrol_t *kctl;
1249 int err;
1250 unsigned int idx;
1251 unsigned char max;
1252
1253 /* build master controls */
1254 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1255 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1256 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1257 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1258 else
1259 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1260 if (err < 0)
1261 return err;
1262 }
1263
1264 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1265
1266 /* build center controls */
1267 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1268 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1269 return err;
1270 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1271 return err;
1272 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1273 kctl->private_value &= ~(0xff << 16);
1274 kctl->private_value |= (int)max << 16;
1275 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1276 }
1277
1278 /* build LFE controls */
1279 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1280 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1281 return err;
1282 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1283 return err;
1284 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1285 kctl->private_value &= ~(0xff << 16);
1286 kctl->private_value |= (int)max << 16;
1287 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1288 }
1289
1290 /* build surround controls */
1291 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1292 /* Surround Master (0x38) is with stereo mutes */
1293 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1294 return err;
1295 }
1296
1297 /* build headphone controls */
1298 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1299 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1300 return err;
1301 }
1302
1303 /* build master mono controls */
1304 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1305 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1306 return err;
1307 }
1308
1309 /* build master tone controls */
3998b70f
LG		 1310 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1311 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1312 for (idx = 0; idx < 2; idx++) {
1313 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1314 return err;
1315 if (ac97->id == AC97_ID_YMF753) {
1316 kctl->private_value &= ~(0xff << 16);
1317 kctl->private_value |= 7 << 16;
1318 }
1da177e4 1319 }
3998b70f 1320 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1da177e4 1321 }
1da177e4
LT		 1322 }
1323
1324 /* build PC Speaker controls */
1325 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1326 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1327 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1328 for (idx = 0; idx < 2; idx++)
1329 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1330 return err;
1331 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1332 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1333 }
1334
1335 /* build Phone controls */
1336 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1337 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1338 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1339 return err;
1340 }
1341 }
1342
1343 /* build MIC controls */
3998b70f
LG		 1344 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1345 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1346 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1347 return err;
1348 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1349 return err;
1350 }
1da177e4
LT		 1351 }
1352
1353 /* build Line controls */
1354 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1355 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1356 return err;
1357 }
1358
1359 /* build CD controls */
1360 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1361 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1362 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1363 return err;
1364 }
1365 }
1366
1367 /* build Video controls */
1368 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1369 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1370 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1371 return err;
1372 }
1373 }
1374
1375 /* build Aux controls */
1376 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1377 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1378 return err;
1379 }
1380
1381 /* build PCM controls */
1382 if (ac97->flags & AC97_AD_MULTI) {
1383 unsigned short init_val;
1384 if (ac97->flags & AC97_STEREO_MUTES)
1385 init_val = 0x9f9f;
1386 else
1387 init_val = 0x9f1f;
1388 for (idx = 0; idx < 2; idx++)
1389 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1390 return err;
1391 ac97->spec.ad18xx.pcmreg[0] = init_val;
1392 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1393 for (idx = 0; idx < 2; idx++)
1394 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1395 return err;
1396 ac97->spec.ad18xx.pcmreg[1] = init_val;
1397 }
1398 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1399 for (idx = 0; idx < 2; idx++)
1400 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1401 return err;
1402 for (idx = 0; idx < 2; idx++)
1403 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1404 return err;
1405 ac97->spec.ad18xx.pcmreg[2] = init_val;
1406 }
1407 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1408 } else {
3998b70f
LG		 1409 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1410 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1411 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1412 else
1413 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1414 if (err < 0)
1415 return err;
1416 }
1da177e4
LT		 1417 }
1418
1419 /* build Capture controls */
1420 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1421 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1422 return err;
1423 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1424 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1425 return err;
1426 }
1427 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1428 return err;
1429 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1430 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1431 }
1432 /* build MIC Capture controls */
1433 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1434 for (idx = 0; idx < 2; idx++)
1435 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1436 return err;
1437 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1438 }
1439
1440 /* build PCM out path & mute control */
1441 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1442 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1443 return err;
1444 }
1445
1446 /* build Simulated Stereo Enhancement control */
1447 if (ac97->caps & 0x0008) {
1448 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1449 return err;
1450 }
1451
1452 /* build 3D Stereo Enhancement control */
1453 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1454 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1455 return err;
1456 }
1457
1458 /* build Loudness control */
1459 if (ac97->caps & 0x0020) {
1460 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1461 return err;
1462 }
1463
1464 /* build Mono output select control */
1465 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1466 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1467 return err;
1468 }
1469
1470 /* build Mic select control */
1471 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1472 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1473 return err;
1474 }
1475
1476 /* build ADC/DAC loopback control */
1477 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1478 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1479 return err;
1480 }
1481
1482 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1483
1484 /* build 3D controls */
1485 if (ac97->build_ops->build_3d) {
1486 ac97->build_ops->build_3d(ac97);
1487 } else {
1488 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1489 unsigned short val;
1490 val = 0x0707;
1491 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1492 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1493 val = val == 0x0606;
1494 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1495 return err;
1496 if (val)
1497 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1498 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1499 return err;
1500 if (val)
1501 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1502 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1503 }
1504 }
1505
1506 /* build S/PDIF controls */
1507 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1508 if (ac97->build_ops->build_spdif) {
1509 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1510 return err;
1511 } else {
1512 for (idx = 0; idx < 5; idx++)
1513 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1514 return err;
1515 if (ac97->build_ops->build_post_spdif) {
1516 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1517 return err;
1518 }
1519 /* set default PCM S/PDIF params */
1520 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1521 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1522 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1523 }
1524 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1525 }
1526
1527 /* build chip specific controls */
1528 if (ac97->build_ops->build_specific)
1529 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1530 return err;
1531
1532 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1533 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1534 if (! kctl)
1535 return -ENOMEM;
1536 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1537 set_inv_eapd(ac97, kctl);
1538 if ((err = snd_ctl_add(card, kctl)) < 0)
1539 return err;
1540 }
1541
1542 return 0;
1543}
1544
1545static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97)
1546{
87d61c29
SK		 1547 int err, idx;
1548
1da177e4
LT		 1549 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1550 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1551 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1552 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1553 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1554 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1555
1556 /* build modem switches */
1557 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1558 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1559 return err;
1560
1561 /* build chip specific controls */
1562 if (ac97->build_ops->build_specific)
1563 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1564 return err;
1565
1da177e4
LT		 1566 return 0;
1567}
1568
1569static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate)
1570{
1571 unsigned short val;
1572 unsigned int tmp;
1573
1574 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1575 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1576 if (shadow_reg)
1577 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1578 val = snd_ac97_read(ac97, reg);
1579 return val == (tmp & 0xffff);
1580}
1581
1582static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result)
1583{
1584 unsigned int result = 0;
1585 unsigned short saved;
1586
1587 if (ac97->bus->no_vra) {
1588 *r_result = SNDRV_PCM_RATE_48000;
1589 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1590 reg == AC97_PCM_FRONT_DAC_RATE)
1591 *r_result |= SNDRV_PCM_RATE_96000;
1592 return;
1593 }
1594
1595 saved = snd_ac97_read(ac97, reg);
1596 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1597 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1598 AC97_EA_DRA, 0);
1599 /* test a non-standard rate */
1600 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1601 result |= SNDRV_PCM_RATE_CONTINUOUS;
1602 /* let's try to obtain standard rates */
1603 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1604 result |= SNDRV_PCM_RATE_8000;
1605 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1606 result |= SNDRV_PCM_RATE_11025;
1607 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1608 result |= SNDRV_PCM_RATE_16000;
1609 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1610 result |= SNDRV_PCM_RATE_22050;
1611 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1612 result |= SNDRV_PCM_RATE_32000;
1613 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1614 result |= SNDRV_PCM_RATE_44100;
1615 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1616 result |= SNDRV_PCM_RATE_48000;
1617 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1618 reg == AC97_PCM_FRONT_DAC_RATE) {
1619 /* test standard double rates */
1620 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1621 AC97_EA_DRA, AC97_EA_DRA);
1622 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1623 result |= SNDRV_PCM_RATE_64000;
1624 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1625 result |= SNDRV_PCM_RATE_88200;
1626 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1627 result |= SNDRV_PCM_RATE_96000;
1628 /* some codecs don't support variable double rates */
1629 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1630 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1631 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1632 AC97_EA_DRA, 0);
1633 }
1634 /* restore the default value */
1635 snd_ac97_write_cache(ac97, reg, saved);
1636 if (shadow_reg)
1637 snd_ac97_write_cache(ac97, shadow_reg, saved);
1638 *r_result = result;
1639}
1640
1641/* check AC97_SPDIF register to accept which sample rates */
1642static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97)
1643{
1644 unsigned int result = 0;
1645 int i;
1646 static unsigned short ctl_bits[] = {
1647 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1648 };
1649 static unsigned int rate_bits[] = {
1650 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1651 };
1652
1653 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1654 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1655 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1656 result |= rate_bits[i];
1657 }
1658 return result;
1659}
1660
1661/* look for the codec id table matching with the given id */
1662static const ac97_codec_id_t *look_for_codec_id(const ac97_codec_id_t *table,
1663 unsigned int id)
1664{
1665 const ac97_codec_id_t *pid;
1666
1667 for (pid = table; pid->id; pid++)
1668 if (pid->id == (id & pid->mask))
1669 return pid;
1670 return NULL;
1671}
1672
1673void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem)
1674{
1675 const ac97_codec_id_t *pid;
1676
1677 sprintf(name, "0x%x %c%c%c", id,
1678 printable(id >> 24),
1679 printable(id >> 16),
1680 printable(id >> 8));
1681 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1682 if (! pid)
1683 return;
1684
1685 strcpy(name, pid->name);
1686 if (ac97 && pid->patch) {
1687 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1688 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1689 pid->patch(ac97);
1690 }
1691
1692 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1693 if (pid) {
1694 strcat(name, " ");
1695 strcat(name, pid->name);
1696 if (pid->mask != 0xffffffff)
1697 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1698 if (ac97 && pid->patch) {
1699 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1700 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1701 pid->patch(ac97);
1702 }
1703 } else
1704 sprintf(name + strlen(name), " id %x", id & 0xff);
1705}
1706
1707/**
1708 * snd_ac97_get_short_name - retrieve codec name
1709 * @ac97: the codec instance
1710 *
1711 * Returns the short identifying name of the codec.
1712 */
1713const char *snd_ac97_get_short_name(ac97_t *ac97)
1714{
1715 const ac97_codec_id_t *pid;
1716
1717 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1718 if (pid->id == (ac97->id & pid->mask))
1719 return pid->name;
1720 return "unknown codec";
1721}
1722
1723
1724/* wait for a while until registers are accessible after RESET
1725 * return 0 if ok, negative not ready
1726 */
1727static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
1728{
1729 unsigned long end_time;
1730 unsigned short val;
1731
1732 end_time = jiffies + timeout;
1733 do {
1734
1735 /* use preliminary reads to settle the communication */
1736 snd_ac97_read(ac97, AC97_RESET);
1737 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1738 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1739 /* modem? */
1740 if (with_modem) {
1741 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1742 if (val != 0xffff && (val & 1) != 0)
1743 return 0;
1744 }
1745 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1746 /* probably only Xbox issue - all registers are read as zero */
1747 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1748 if (val != 0 && val != 0xffff)
1749 return 0;
1750 } else {
1751 /* because the PCM or MASTER volume registers can be modified,
1752 * the REC_GAIN register is used for tests
1753 */
1754 /* test if we can write to the record gain volume register */
1755 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1756 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1757 return 0;
1758 }
1759 set_current_state(TASK_UNINTERRUPTIBLE);
1760 schedule_timeout(1);
1761 } while (time_after_eq(end_time, jiffies));
1762 return -ENODEV;
1763}
1764
1765/**
1766 * snd_ac97_bus - create an AC97 bus component
1767 * @card: the card instance
1768 * @num: the bus number
1769 * @ops: the bus callbacks table
1770 * @private_data: private data pointer for the new instance
1771 * @rbus: the pointer to store the new AC97 bus instance.
1772 *
1773 * Creates an AC97 bus component. An ac97_bus_t instance is newly
1774 * allocated and initialized.
1775 *
1776 * The ops table must include valid callbacks (at least read and
1777 * write). The other callbacks, wait and reset, are not mandatory.
1778 *
1779 * The clock is set to 48000. If another clock is needed, set
1780 * (*rbus)->clock manually.
1781 *
1782 * The AC97 bus instance is registered as a low-level device, so you don't
1783 * have to release it manually.
1784 *
1785 * Returns zero if successful, or a negative error code on failure.
1786 */
1787int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
1788 void *private_data, ac97_bus_t **rbus)
1789{
1790 int err;
1791 ac97_bus_t *bus;
1792 static snd_device_ops_t dev_ops = {
1793 .dev_free = snd_ac97_bus_dev_free,
1794 };
1795
1796 snd_assert(card != NULL, return -EINVAL);
1797 snd_assert(rbus != NULL, return -EINVAL);
1798 bus = kcalloc(1, sizeof(*bus), GFP_KERNEL);
1799 if (bus == NULL)
1800 return -ENOMEM;
1801 bus->card = card;
1802 bus->num = num;
1803 bus->ops = ops;
1804 bus->private_data = private_data;
1805 bus->clock = 48000;
1806 spin_lock_init(&bus->bus_lock);
1807 snd_ac97_bus_proc_init(bus);
1808 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1809 snd_ac97_bus_free(bus);
1810 return err;
1811 }
1812 *rbus = bus;
1813 return 0;
1814}
1815
0ca06a00
LG		 1816/* stop no dev release warning */
1817static void ac97_device_release(struct device * dev)
1818{
1819}
1820
1821/* register ac97 codec to bus */
1822static int snd_ac97_dev_register(snd_device_t *device)
1823{
1824 ac97_t *ac97 = device->device_data;
1825 int err;
1826
1827 ac97->dev.bus = &ac97_bus_type;
1828 ac97->dev.parent = ac97->bus->card->dev;
1829 ac97->dev.platform_data = ac97;
1830 ac97->dev.release = ac97_device_release;
1831 strncpy(ac97->dev.bus_id, snd_ac97_get_short_name(ac97), BUS_ID_SIZE);
1832 if ((err = device_register(&ac97->dev)) < 0) {
1833 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1834 ac97->dev.bus = NULL;
1835 return err;
1836 }
1837 return 0;
1838}
1839
1840/* unregister ac97 codec */
1841static int snd_ac97_dev_unregister(snd_device_t *device)
1842{
1843 ac97_t *ac97 = device->device_data;
1844 if (ac97->dev.bus)
1845 device_unregister(&ac97->dev);
1846 return snd_ac97_free(ac97);
1847}
1848
1da177e4
LT		 1849/* build_ops to do nothing */
1850static struct snd_ac97_build_ops null_build_ops;
1851
1852/**
1853 * snd_ac97_mixer - create an Codec97 component
1854 * @bus: the AC97 bus which codec is attached to
1855 * @template: the template of ac97, including index, callbacks and
1856 * the private data.
1857 * @rac97: the pointer to store the new ac97 instance.
1858 *
1859 * Creates an Codec97 component. An ac97_t instance is newly
1860 * allocated and initialized from the template. The codec
1861 * is then initialized by the standard procedure.
1862 *
1863 * The template must include the codec number (num) and address (addr),
1864 * and the private data (private_data).
1865 *
1866 * The ac97 instance is registered as a low-level device, so you don't
1867 * have to release it manually.
1868 *
1869 * Returns zero if successful, or a negative error code on failure.
1870 */
1871int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
1872{
1873 int err;
1874 ac97_t *ac97;
1875 snd_card_t *card;
1876 char name[64];
1877 unsigned long end_time;
1878 unsigned int reg;
1879 const ac97_codec_id_t *pid;
1880 static snd_device_ops_t ops = {
1881 .dev_free = snd_ac97_dev_free,
0ca06a00
LG		 1882 .dev_register = snd_ac97_dev_register,
1883 .dev_unregister = snd_ac97_dev_unregister,
1da177e4
LT		 1884 };
1885
1886 snd_assert(rac97 != NULL, return -EINVAL);
1887 *rac97 = NULL;
1888 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1889 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1890
1891 snd_assert(bus->shared_type <= AC97_SHARED_TYPES, return -EINVAL);
1892 if (bus->shared_type) {
1893 /* already shared? */
1894 down(&shared_codec_mutex);
1895 ac97 = shared_codec[bus->shared_type-1][template->num];
1896 if (ac97) {
1897 if ((ac97_is_audio(ac97) && (template->scaps & AC97_SCAP_SKIP_AUDIO)) ||
1898 (ac97_is_modem(ac97) && (template->scaps & AC97_SCAP_SKIP_MODEM))) {
1899 up(&shared_codec_mutex);
1900 return -EACCES; /* skip this */
1901 }
1902 }
1903 up(&shared_codec_mutex);
1904 }
1905
1906 card = bus->card;
1907 ac97 = kcalloc(1, sizeof(*ac97), GFP_KERNEL);
1908 if (ac97 == NULL)
1909 return -ENOMEM;
1910 ac97->private_data = template->private_data;
1911 ac97->private_free = template->private_free;
1912 ac97->bus = bus;
1913 ac97->pci = template->pci;
1914 ac97->num = template->num;
1915 ac97->addr = template->addr;
1916 ac97->scaps = template->scaps;
1917 ac97->limited_regs = template->limited_regs;
1918 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1919 bus->codec[ac97->num] = ac97;
1920 init_MUTEX(&ac97->reg_mutex);
1921 init_MUTEX(&ac97->page_mutex);
1922
1923 if (ac97->pci) {
1924 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1925 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1926 }
1927 if (bus->ops->reset) {
1928 bus->ops->reset(ac97);
1929 goto __access_ok;
1930 }
1931
1932 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1933 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1934 if (ac97->id && ac97->id != (unsigned int)-1) {
1935 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1936 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1937 goto __access_ok;
1938 }
1939
23fea4da
SK		 1940 /* reset to defaults */
1941 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1942 snd_ac97_write(ac97, AC97_RESET, 0);
1943 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1944 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 1945 if (bus->ops->wait)
1946 bus->ops->wait(ac97);
1947 else {
1948 udelay(50);
1949 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1950 err = ac97_reset_wait(ac97, HZ/2, 1);
1951 else {
1952 err = ac97_reset_wait(ac97, HZ/2, 0);
1953 if (err < 0)
1954 err = ac97_reset_wait(ac97, HZ/2, 1);
1955 }
1956 if (err < 0) {
1957 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1958 /* proceed anyway - it's often non-critical */
1959 }
1960 }
1961 __access_ok:
1962 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1963 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1964 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1965 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1966 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1967 snd_ac97_free(ac97);
1968 return -EIO;
1969 }
1970 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1971 if (pid)
1972 ac97->flags |= pid->flags;
1973
1974 /* test for AC'97 */
1975 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1976 /* test if we can write to the record gain volume register */
1977 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1978 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1979 ac97->scaps |= AC97_SCAP_AUDIO;
1980 }
1981 if (ac97->scaps & AC97_SCAP_AUDIO) {
1982 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1983 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1984 if (ac97->ext_id == 0xffff) /* invalid combination */
1985 ac97->ext_id = 0;
1986 }
1987
1988 /* test for MC'97 */
1989 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1990 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1991 if (ac97->ext_mid == 0xffff) /* invalid combination */
1992 ac97->ext_mid = 0;
1993 if (ac97->ext_mid & 1)
1994 ac97->scaps |= AC97_SCAP_MODEM;
1995 }
1996
1997 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1998 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1999 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2000 snd_ac97_free(ac97);
2001 return -EACCES;
2002 }
2003
2004 if (bus->ops->reset) // FIXME: always skipping?
2005 goto __ready_ok;
2006
2007 /* FIXME: add powerdown control */
2008 if (ac97_is_audio(ac97)) {
2009 /* nothing should be in powerdown mode */
2010 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2011 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2012 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2013 udelay(100);
2014 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2015 }
2016 /* nothing should be in powerdown mode */
2017 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2018 end_time = jiffies + (HZ / 10);
2019 do {
2020 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2021 goto __ready_ok;
2022 set_current_state(TASK_UNINTERRUPTIBLE);
2023 schedule_timeout(1);
2024 } while (time_after_eq(end_time, jiffies));
2025 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2026 }
2027
2028 /* FIXME: add powerdown control */
2029 if (ac97_is_modem(ac97)) {
2030 unsigned char tmp;
2031
2032 /* nothing should be in powerdown mode */
2033 /* note: it's important to set the rate at first */
2034 tmp = AC97_MEA_GPIO;
2035 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 2036 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 2037 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2038 }
2039 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 2040 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 2041 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2042 }
2043 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 2044 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 2045 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2046 }
8e8311b0 2047 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2048 udelay(100);
2049 /* nothing should be in powerdown mode */
8e8311b0 2050 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2051 end_time = jiffies + (HZ / 10);
2052 do {
2053 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2054 goto __ready_ok;
2055 set_current_state(TASK_UNINTERRUPTIBLE);
2056 schedule_timeout(1);
2057 } while (time_after_eq(end_time, jiffies));
2058 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2059 }
2060
2061 __ready_ok:
2062 if (ac97_is_audio(ac97))
2063 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2064 else
2065 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2066 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2067 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2068 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2069 if (! bus->no_vra)
2070 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2071 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2072 }
2073 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2074 /* Intel controllers require double rate data to be put in
2075 * slots 7+8, so let's hope the codec supports it. */
2076 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2077 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2078 ac97->flags |= AC97_DOUBLE_RATE;
2079 }
2080 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2081 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2082 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2083 } else {
2084 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2085 if (ac97->flags & AC97_DOUBLE_RATE)
2086 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2087 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2088 }
2089 if (ac97->ext_id & AC97_EI_SPDIF) {
2090 /* codec specific code (patch) should override these values */
2091 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2092 }
2093 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2094 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2095 } else {
2096 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2097 }
2098 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2099 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2100 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2101 }
2102 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2103 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2104 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2105 }
2106 /* additional initializations */
2107 if (bus->ops->init)
2108 bus->ops->init(ac97);
2109 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2110 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2111 if (! ac97->build_ops)
2112 ac97->build_ops = &null_build_ops;
2113
2114 if (ac97_is_audio(ac97)) {
2115 char comp[16];
2116 if (card->mixername[0] == '\0') {
2117 strcpy(card->mixername, name);
2118 } else {
2119 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2120 strcat(card->mixername, ",");
2121 strcat(card->mixername, name);
2122 }
2123 }
2124 sprintf(comp, "AC97a:%08x", ac97->id);
2125 if ((err = snd_component_add(card, comp)) < 0) {
2126 snd_ac97_free(ac97);
2127 return err;
2128 }
2129 if (snd_ac97_mixer_build(ac97) < 0) {
2130 snd_ac97_free(ac97);
2131 return -ENOMEM;
2132 }
2133 }
2134 if (ac97_is_modem(ac97)) {
2135 char comp[16];
2136 if (card->mixername[0] == '\0') {
2137 strcpy(card->mixername, name);
2138 } else {
2139 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2140 strcat(card->mixername, ",");
2141 strcat(card->mixername, name);
2142 }
2143 }
2144 sprintf(comp, "AC97m:%08x", ac97->id);
2145 if ((err = snd_component_add(card, comp)) < 0) {
2146 snd_ac97_free(ac97);
2147 return err;
2148 }
2149 if (snd_ac97_modem_build(card, ac97) < 0) {
2150 snd_ac97_free(ac97);
2151 return -ENOMEM;
2152 }
2153 }
2154 /* make sure the proper powerdown bits are cleared */
2155 if (ac97->scaps) {
2156 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2157 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2158 reg &= ~AC97_EA_PRJ;
2159 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2160 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2161 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2162 }
2163 snd_ac97_proc_init(ac97);
2164 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2165 snd_ac97_free(ac97);
2166 return err;
2167 }
2168 *rac97 = ac97;
2169
2170 if (bus->shared_type) {
2171 down(&shared_codec_mutex);
2172 shared_codec[bus->shared_type-1][ac97->num] = ac97;
2173 up(&shared_codec_mutex);
2174 }
2175
2176 return 0;
2177}
2178
2179
2180/*
2181 * Power down the chip.
2182 *
2183 * MASTER and HEADPHONE registers are muted but the register cache values
2184 * are not changed, so that the values can be restored in snd_ac97_resume().
2185 */
2186static void snd_ac97_powerdown(ac97_t *ac97)
2187{
2188 unsigned short power;
2189
2190 if (ac97_is_audio(ac97)) {
2191 /* some codecs have stereo mute bits */
2192 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2193 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2194 }
2195
2196 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2197 power |= 0x4000; /* Headphone amplifier powerdown */
2198 power |= 0x0300; /* ADC & DAC powerdown */
2199 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2200 udelay(100);
2201 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2202 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2203 udelay(100);
2204#if 0
2205 /* FIXME: this causes click noises on some boards at resume */
2206 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2207 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2208#endif
2209}
2210
2211
2212#ifdef CONFIG_PM
2213/**
2214 * snd_ac97_suspend - General suspend function for AC97 codec
2215 * @ac97: the ac97 instance
2216 *
2217 * Suspends the codec, power down the chip.
2218 */
2219void snd_ac97_suspend(ac97_t *ac97)
2220{
2221 if (ac97->build_ops->suspend)
2222 ac97->build_ops->suspend(ac97);
2223 snd_ac97_powerdown(ac97);
2224}
2225
2226/*
2227 * restore ac97 status
2228 */
2229void snd_ac97_restore_status(ac97_t *ac97)
2230{
2231 int i;
2232
2233 for (i = 2; i < 0x7c ; i += 2) {
2234 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2235 continue;
2236 /* restore only accessible registers
2237 * some chip (e.g. nm256) may hang up when unsupported registers
2238 * are accessed..!
2239 */
2240 if (test_bit(i, ac97->reg_accessed)) {
2241 snd_ac97_write(ac97, i, ac97->regs[i]);
2242 snd_ac97_read(ac97, i);
2243 }
2244 }
2245}
2246
2247/*
2248 * restore IEC958 status
2249 */
2250void snd_ac97_restore_iec958(ac97_t *ac97)
2251{
2252 if (ac97->ext_id & AC97_EI_SPDIF) {
2253 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2254 /* reset spdif status */
2255 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2256 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2257 if (ac97->flags & AC97_CS_SPDIF)
2258 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2259 else
2260 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2261 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2262 }
2263 }
2264}
2265
2266/**
2267 * snd_ac97_resume - General resume function for AC97 codec
2268 * @ac97: the ac97 instance
2269 *
2270 * Do the standard resume procedure, power up and restoring the
2271 * old register values.
2272 */
2273void snd_ac97_resume(ac97_t *ac97)
2274{
ef21ca24 2275 unsigned long end_time;
1da177e4
LT		 2276
2277 if (ac97->bus->ops->reset) {
2278 ac97->bus->ops->reset(ac97);
2279 goto __reset_ready;
2280 }
2281
2282 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2283 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2284 snd_ac97_write(ac97, AC97_RESET, 0);
2285 udelay(100);
2286 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2287 }
2288 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2289
2290 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2291 if (ac97_is_audio(ac97)) {
2292 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
ef21ca24
NA		 2293 end_time = jiffies + msecs_to_jiffies(100);
2294 do {
1da177e4
LT		 2295 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2296 break;
2297 set_current_state(TASK_UNINTERRUPTIBLE);
2298 schedule_timeout(1);
ef21ca24 2299 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2300 /* FIXME: extra delay */
2301 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
ef21ca24
NA		 2302 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2303 msleep(250);
1da177e4 2304 } else {
ef21ca24
NA		 2305 end_time = jiffies + msecs_to_jiffies(100);
2306 do {
1da177e4
LT		 2307 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2308 if (val != 0xffff && (val & 1) != 0)
2309 break;
2310 set_current_state(TASK_UNINTERRUPTIBLE);
2311 schedule_timeout(1);
ef21ca24 2312 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2313 }
2314__reset_ready:
2315
2316 if (ac97->bus->ops->init)
2317 ac97->bus->ops->init(ac97);
2318
2319 if (ac97->build_ops->resume)
2320 ac97->build_ops->resume(ac97);
2321 else {
2322 snd_ac97_restore_status(ac97);
2323 snd_ac97_restore_iec958(ac97);
2324 }
2325}
2326#endif
2327
2328
2329/*
2330 * Hardware tuning
2331 */
2332static void set_ctl_name(char *dst, const char *src, const char *suffix)
2333{
2334 if (suffix)
2335 sprintf(dst, "%s %s", src, suffix);
2336 else
2337 strcpy(dst, src);
2338}
2339
2340/* remove the control with the given name and optional suffix */
2341int snd_ac97_remove_ctl(ac97_t *ac97, const char *name, const char *suffix)
2342{
2343 snd_ctl_elem_id_t id;
2344 memset(&id, 0, sizeof(id));
2345 set_ctl_name(id.name, name, suffix);
2346 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2347 return snd_ctl_remove_id(ac97->bus->card, &id);
2348}
2349
2350static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name, const char *suffix)
2351{
2352 snd_ctl_elem_id_t sid;
2353 memset(&sid, 0, sizeof(sid));
2354 set_ctl_name(sid.name, name, suffix);
2355 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2356 return snd_ctl_find_id(ac97->bus->card, &sid);
2357}
2358
2359/* rename the control with the given name and optional suffix */
2360int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const char *suffix)
2361{
2362 snd_kcontrol_t *kctl = ctl_find(ac97, src, suffix);
2363 if (kctl) {
2364 set_ctl_name(kctl->id.name, dst, suffix);
2365 return 0;
2366 }
2367 return -ENOENT;
2368}
2369
2370/* rename both Volume and Switch controls - don't check the return value */
2371void snd_ac97_rename_vol_ctl(ac97_t *ac97, const char *src, const char *dst)
2372{
2373 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2374 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2375}
2376
2377/* swap controls */
2378int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *suffix)
2379{
2380 snd_kcontrol_t *kctl1, *kctl2;
2381 kctl1 = ctl_find(ac97, s1, suffix);
2382 kctl2 = ctl_find(ac97, s2, suffix);
2383 if (kctl1 && kctl2) {
2384 set_ctl_name(kctl1->id.name, s2, suffix);
2385 set_ctl_name(kctl2->id.name, s1, suffix);
2386 return 0;
2387 }
2388 return -ENOENT;
2389}
2390
2391#if 1
2392/* bind hp and master controls instead of using only hp control */
2393static int bind_hp_volsw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2394{
2395 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2396 if (err > 0) {
2397 unsigned long priv_saved = kcontrol->private_value;
2398 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2399 snd_ac97_put_volsw(kcontrol, ucontrol);
2400 kcontrol->private_value = priv_saved;
2401 }
2402 return err;
2403}
2404
2405/* ac97 tune: bind Master and Headphone controls */
2406static int tune_hp_only(ac97_t *ac97)
2407{
2408 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2409 snd_kcontrol_t *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2410 if (! msw || ! mvol)
2411 return -ENOENT;
2412 msw->put = bind_hp_volsw_put;
2413 mvol->put = bind_hp_volsw_put;
2414 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2415 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2416 return 0;
2417}
2418
2419#else
2420/* ac97 tune: use Headphone control as master */
2421static int tune_hp_only(ac97_t *ac97)
2422{
2423 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2424 return -ENOENT;
2425 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2426 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2427 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2428 return 0;
2429}
2430#endif
2431
2432/* ac97 tune: swap Headphone and Master controls */
2433static int tune_swap_hp(ac97_t *ac97)
2434{
2435 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2436 return -ENOENT;
2437 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2438 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2439 return 0;
2440}
2441
2442/* ac97 tune: swap Surround and Master controls */
2443static int tune_swap_surround(ac97_t *ac97)
2444{
2445 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2446 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2447 return -ENOENT;
2448 return 0;
2449}
2450
2451/* ac97 tune: set up mic sharing for AD codecs */
2452static int tune_ad_sharing(ac97_t *ac97)
2453{
2454 unsigned short scfg;
2455 if ((ac97->id & 0xffffff00) != 0x41445300) {
2456 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2457 return -EINVAL;
2458 }
2459 /* Turn on OMS bit to route microphone to back panel */
2460 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2461 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2462 return 0;
2463}
2464
2465static const snd_kcontrol_new_t snd_ac97_alc_jack_detect =
2466AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2467
2468/* ac97 tune: set up ALC jack-select */
2469static int tune_alc_jack(ac97_t *ac97)
2470{
2471 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2472 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2473 return -EINVAL;
2474 }
2475 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2476 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2477 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2478}
2479
2480/* ac97 tune: inversed EAPD bit */
2481static int tune_inv_eapd(ac97_t *ac97)
2482{
2483 snd_kcontrol_t *kctl = ctl_find(ac97, "External Amplifier", NULL);
2484 if (! kctl)
2485 return -ENOENT;
2486 set_inv_eapd(ac97, kctl);
2487 return 0;
2488}
2489
2490static int master_mute_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2491{
2492 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2493 if (err > 0) {
2494 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
2495 int shift = (kcontrol->private_value >> 8) & 0x0f;
2496 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2497 unsigned short mask;
2498 if (shift != rshift)
2499 mask = 0x8080;
2500 else
2501 mask = 0x8000;
2502 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2503 (ac97->regs[AC97_MASTER] & mask) == mask ?
2504 0x8000 : 0);
2505 }
2506 return err;
2507}
2508
2509/* ac97 tune: EAPD controls mute LED bound with the master mute */
2510static int tune_mute_led(ac97_t *ac97)
2511{
2512 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2513 if (! msw)
2514 return -ENOENT;
2515 msw->put = master_mute_sw_put;
2516 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2517 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2518 return 0;
2519}
2520
2521struct quirk_table {
2522 const char *name;
2523 int (*func)(ac97_t *);
2524};
2525
2526static struct quirk_table applicable_quirks[] = {
2527 { "none", NULL },
2528 { "hp_only", tune_hp_only },
2529 { "swap_hp", tune_swap_hp },
2530 { "swap_surround", tune_swap_surround },
2531 { "ad_sharing", tune_ad_sharing },
2532 { "alc_jack", tune_alc_jack },
2533 { "inv_eapd", tune_inv_eapd },
2534 { "mute_led", tune_mute_led },
2535};
2536
2537/* apply the quirk with the given type */
2538static int apply_quirk(ac97_t *ac97, int type)
2539{
2540 if (type <= 0)
2541 return 0;
2542 else if (type >= ARRAY_SIZE(applicable_quirks))
2543 return -EINVAL;
2544 if (applicable_quirks[type].func)
2545 return applicable_quirks[type].func(ac97);
2546 return 0;
2547}
2548
2549/* apply the quirk with the given name */
2550static int apply_quirk_str(ac97_t *ac97, const char *typestr)
2551{
2552 int i;
2553 struct quirk_table *q;
2554
2555 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2556 q = &applicable_quirks[i];
2557 if (q->name && ! strcmp(typestr, q->name))
2558 return apply_quirk(ac97, i);
2559 }
2560 /* for compatibility, accept the numbers, too */
2561 if (*typestr >= '0' && *typestr <= '9')
2562 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2563 return -EINVAL;
2564}
2565
2566/**
2567 * snd_ac97_tune_hardware - tune up the hardware
2568 * @ac97: the ac97 instance
2569 * @quirk: quirk list
2570 * @override: explicit quirk value (overrides the list if non-NULL)
2571 *
2572 * Do some workaround for each pci device, such as renaming of the
2573 * headphone (true line-out) control as "Master".
2574 * The quirk-list must be terminated with a zero-filled entry.
2575 *
2576 * Returns zero if successful, or a negative error code on failure.
2577 */
2578
2579int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override)
2580{
2581 int result;
2582
2583 snd_assert(quirk, return -EINVAL);
2584
2585 /* quirk overriden? */
2586 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2587 result = apply_quirk_str(ac97, override);
2588 if (result < 0)
2589 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2590 return result;
2591 }
2592
69ad07cf
JK		 2593 for (; quirk->subvendor; quirk++) {
2594 if (quirk->subvendor != ac97->subsystem_vendor)
1da177e4 2595 continue;
69ad07cf
JK		 2596 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2597 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
1da177e4
LT		 2598 if (quirk->codec_id && quirk->codec_id != ac97->id)
2599 continue;
2600 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2601 result = apply_quirk(ac97, quirk->type);
2602 if (result < 0)
2603 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2604 return result;
2605 }
2606 }
2607 return 0;
2608}
2609
2610
2611/*
2612 * Exported symbols
2613 */
2614
2615EXPORT_SYMBOL(snd_ac97_write);
2616EXPORT_SYMBOL(snd_ac97_read);
2617EXPORT_SYMBOL(snd_ac97_write_cache);
2618EXPORT_SYMBOL(snd_ac97_update);
2619EXPORT_SYMBOL(snd_ac97_update_bits);
2620EXPORT_SYMBOL(snd_ac97_get_short_name);
2621EXPORT_SYMBOL(snd_ac97_bus);
2622EXPORT_SYMBOL(snd_ac97_mixer);
2623EXPORT_SYMBOL(snd_ac97_pcm_assign);
2624EXPORT_SYMBOL(snd_ac97_pcm_open);
2625EXPORT_SYMBOL(snd_ac97_pcm_close);
2626EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2627EXPORT_SYMBOL(snd_ac97_tune_hardware);
2628EXPORT_SYMBOL(snd_ac97_set_rate);
2629#ifdef CONFIG_PM
2630EXPORT_SYMBOL(snd_ac97_resume);
2631EXPORT_SYMBOL(snd_ac97_suspend);
2632#endif
2633
2634/*
2635 * INIT part
2636 */
2637
2638static int __init alsa_ac97_init(void)
2639{
2640 return 0;
2641}
2642
2643static void __exit alsa_ac97_exit(void)
2644{
2645}
2646
2647module_init(alsa_ac97_init)
2648module_exit(alsa_ac97_exit)
Linux kernel - Deliverables
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