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[ALSA] Fix schedule_timeout usage
[mirror_ubuntu-artful-kernel.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 },
a5022b0d 115{ 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
1da177e4
LT		 116{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
117{ 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
118{ 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
119{ 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
120{ 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
121{ 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
122{ 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
123{ 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
5f0dccf8 124{ 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
1da177e4
LT		 125{ 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
126{ 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
127{ 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
128{ 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
129{ 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
130{ 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
131{ 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
132{ 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
133{ 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
134{ 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
135{ 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
136{ 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
137{ 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
138{ 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
139{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
140{ 0x454d4328, 0xffffffff, "28028", NULL, NULL }, // same as TR28028?
141{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
142{ 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
143{ 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
144{ 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
145{ 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
146{ 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
147{ 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
148{ 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
149{ 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
150{ 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
151{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
152{ 0x4e534350, 0xffffffff, "LM4550", NULL, NULL },
153{ 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
87d61c29 154{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
1da177e4
LT		 155{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
156{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
157{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
158{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
159{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
160{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
4b499486 161{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
1da177e4
LT		 162{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
163{ 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
164{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
165{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
166{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
167{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
168{ 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
169{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
170{ 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
171{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
172{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
173{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
174{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
175{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
176{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
177{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
178{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
179{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
180{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
181{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
182{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
183{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
184{ 0, 0, NULL, NULL, NULL }
185};
186
187const char *snd_ac97_stereo_enhancements[] =
188{
189 /* 0 */ "No 3D Stereo Enhancement",
190 /* 1 */ "Analog Devices Phat Stereo",
191 /* 2 */ "Creative Stereo Enhancement",
192 /* 3 */ "National Semi 3D Stereo Enhancement",
193 /* 4 */ "YAMAHA Ymersion",
194 /* 5 */ "BBE 3D Stereo Enhancement",
195 /* 6 */ "Crystal Semi 3D Stereo Enhancement",
196 /* 7 */ "Qsound QXpander",
197 /* 8 */ "Spatializer 3D Stereo Enhancement",
198 /* 9 */ "SRS 3D Stereo Enhancement",
199 /* 10 */ "Platform Tech 3D Stereo Enhancement",
200 /* 11 */ "AKM 3D Audio",
201 /* 12 */ "Aureal Stereo Enhancement",
202 /* 13 */ "Aztech 3D Enhancement",
203 /* 14 */ "Binaura 3D Audio Enhancement",
204 /* 15 */ "ESS Technology Stereo Enhancement",
205 /* 16 */ "Harman International VMAx",
206 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
207 /* 18 */ "Philips Incredible Sound",
208 /* 19 */ "Texas Instruments 3D Stereo Enhancement",
209 /* 20 */ "VLSI Technology 3D Stereo Enhancement",
210 /* 21 */ "TriTech 3D Stereo Enhancement",
211 /* 22 */ "Realtek 3D Stereo Enhancement",
212 /* 23 */ "Samsung 3D Stereo Enhancement",
213 /* 24 */ "Wolfson Microelectronics 3D Enhancement",
214 /* 25 */ "Delta Integration 3D Enhancement",
215 /* 26 */ "SigmaTel 3D Enhancement",
216 /* 27 */ "IC Ensemble/KS Waves",
217 /* 28 */ "Rockwell 3D Stereo Enhancement",
218 /* 29 */ "Reserved 29",
219 /* 30 */ "Reserved 30",
220 /* 31 */ "Reserved 31"
221};
222
1da177e4
LT		 223
224/*
225 * I/O routines
226 */
227
228static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg)
229{
230 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
231 return 0;
232
233 /* filter some registers for buggy codecs */
234 switch (ac97->id) {
235 case AC97_ID_AK4540:
236 case AC97_ID_AK4542:
237 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
238 return 1;
239 return 0;
240 case AC97_ID_AD1819: /* AD1819 */
241 case AC97_ID_AD1881: /* AD1881 */
242 case AC97_ID_AD1881A: /* AD1881A */
243 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
244 return 0;
245 return 1;
246 case AC97_ID_AD1885: /* AD1885 */
247 case AC97_ID_AD1886: /* AD1886 */
248 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
249 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
250 if (reg == 0x5a)
251 return 1;
252 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
253 return 0;
254 return 1;
255 case AC97_ID_STAC9700:
256 case AC97_ID_STAC9704:
257 case AC97_ID_STAC9705:
258 case AC97_ID_STAC9708:
259 case AC97_ID_STAC9721:
260 case AC97_ID_STAC9744:
261 case AC97_ID_STAC9756:
262 if (reg <= 0x3a || reg >= 0x5a)
263 return 1;
264 return 0;
265 }
266 return 1;
267}
268
269/**
270 * snd_ac97_write - write a value on the given register
271 * @ac97: the ac97 instance
272 * @reg: the register to change
273 * @value: the value to set
274 *
275 * Writes a value on the given register. This will invoke the write
276 * callback directly after the register check.
277 * This function doesn't change the register cache unlike
278 * #snd_ca97_write_cache(), so use this only when you don't want to
279 * reflect the change to the suspend/resume state.
280 */
281void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value)
282{
283 if (!snd_ac97_valid_reg(ac97, reg))
284 return;
285 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
286 /* Fix H/W bug of ALC100/100P */
287 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
288 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
289 }
290 ac97->bus->ops->write(ac97, reg, value);
291}
292
293/**
294 * snd_ac97_read - read a value from the given register
295 *
296 * @ac97: the ac97 instance
297 * @reg: the register to read
298 *
299 * Reads a value from the given register. This will invoke the read
300 * callback directly after the register check.
301 *
302 * Returns the read value.
303 */
304unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg)
305{
306 if (!snd_ac97_valid_reg(ac97, reg))
307 return 0;
308 return ac97->bus->ops->read(ac97, reg);
309}
310
311/* read a register - return the cached value if already read */
312static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short reg)
313{
314 if (! test_bit(reg, ac97->reg_accessed)) {
315 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
316 // set_bit(reg, ac97->reg_accessed);
317 }
318 return ac97->regs[reg];
319}
320
321/**
322 * snd_ac97_write_cache - write a value on the given register and update the cache
323 * @ac97: the ac97 instance
324 * @reg: the register to change
325 * @value: the value to set
326 *
327 * Writes a value on the given register and updates the register
328 * cache. The cached values are used for the cached-read and the
329 * suspend/resume.
330 */
331void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value)
332{
333 if (!snd_ac97_valid_reg(ac97, reg))
334 return;
335 down(&ac97->reg_mutex);
336 ac97->regs[reg] = value;
337 ac97->bus->ops->write(ac97, reg, value);
338 set_bit(reg, ac97->reg_accessed);
339 up(&ac97->reg_mutex);
340}
341
342/**
343 * snd_ac97_update - update the value on the given register
344 * @ac97: the ac97 instance
345 * @reg: the register to change
346 * @value: the value to set
347 *
348 * Compares the value with the register cache and updates the value
349 * only when the value is changed.
350 *
351 * Returns 1 if the value is changed, 0 if no change, or a negative
352 * code on failure.
353 */
354int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value)
355{
356 int change;
357
358 if (!snd_ac97_valid_reg(ac97, reg))
359 return -EINVAL;
360 down(&ac97->reg_mutex);
361 change = ac97->regs[reg] != value;
362 if (change) {
363 ac97->regs[reg] = value;
364 ac97->bus->ops->write(ac97, reg, value);
365 }
52b72388 366 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 367 up(&ac97->reg_mutex);
368 return change;
369}
370
371/**
372 * snd_ac97_update_bits - update the bits on the given register
373 * @ac97: the ac97 instance
374 * @reg: the register to change
375 * @mask: the bit-mask to change
376 * @value: the value to set
377 *
378 * Updates the masked-bits on the given register only when the value
379 * is changed.
380 *
381 * Returns 1 if the bits are changed, 0 if no change, or a negative
382 * code on failure.
383 */
384int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value)
385{
386 int change;
387
388 if (!snd_ac97_valid_reg(ac97, reg))
389 return -EINVAL;
390 down(&ac97->reg_mutex);
391 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
392 up(&ac97->reg_mutex);
393 return change;
394}
395
396/* no lock version - see snd_ac97_updat_bits() */
397int snd_ac97_update_bits_nolock(ac97_t *ac97, unsigned short reg,
398 unsigned short mask, unsigned short value)
399{
400 int change;
401 unsigned short old, new;
402
403 old = snd_ac97_read_cache(ac97, reg);
404 new = (old & ~mask) | value;
405 change = old != new;
406 if (change) {
407 ac97->regs[reg] = new;
408 ac97->bus->ops->write(ac97, reg, new);
409 }
52b72388 410 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 411 return change;
412}
413
414static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value)
415{
416 int change;
417 unsigned short old, new, cfg;
418
419 down(&ac97->page_mutex);
420 old = ac97->spec.ad18xx.pcmreg[codec];
421 new = (old & ~mask) | value;
422 change = old != new;
423 if (change) {
424 down(&ac97->reg_mutex);
425 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
426 ac97->spec.ad18xx.pcmreg[codec] = new;
427 /* select single codec */
428 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
429 (cfg & ~0x7000) |
430 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
431 /* update PCM bits */
432 ac97->bus->ops->write(ac97, AC97_PCM, new);
433 /* select all codecs */
434 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
435 cfg | 0x7000);
436 up(&ac97->reg_mutex);
437 }
438 up(&ac97->page_mutex);
439 return change;
440}
441
442/*
443 * Controls
444 */
445
446int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
447{
448 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
449
450 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
451 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
452 uinfo->value.enumerated.items = e->mask;
453
454 if (uinfo->value.enumerated.item > e->mask - 1)
455 uinfo->value.enumerated.item = e->mask - 1;
456 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
457 return 0;
458}
459
460int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
461{
462 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
463 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 464 unsigned short val, bitmask;
1da177e4 465
b16760bb 466 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 467 ;
1da177e4 468 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 469 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 470 if (e->shift_l != e->shift_r)
5f0dccf8 471 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 472
473 return 0;
474}
475
476int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
477{
478 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
479 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
480 unsigned short val;
5f0dccf8 481 unsigned short mask, bitmask;
1da177e4 482
b16760bb 483 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 484 ;
1da177e4
LT		 485 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
486 return -EINVAL;
487 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 488 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 489 if (e->shift_l != e->shift_r) {
490 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
491 return -EINVAL;
492 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 493 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 494 }
495 return snd_ac97_update_bits(ac97, e->reg, mask, val);
496}
497
498/* save/restore ac97 v2.3 paging */
499static int snd_ac97_page_save(ac97_t *ac97, int reg, snd_kcontrol_t *kcontrol)
500{
501 int page_save = -1;
502 if ((kcontrol->private_value & (1<<25)) &&
503 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
504 (reg >= 0x60 && reg < 0x70)) {
505 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
506 down(&ac97->page_mutex); /* lock paging */
507 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
508 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
509 }
510 return page_save;
511}
512
513static void snd_ac97_page_restore(ac97_t *ac97, int page_save)
514{
515 if (page_save >= 0) {
516 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
517 up(&ac97->page_mutex); /* unlock paging */
518 }
519}
520
521/* volume and switch controls */
522int snd_ac97_info_volsw(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
523{
524 int mask = (kcontrol->private_value >> 16) & 0xff;
525 int shift = (kcontrol->private_value >> 8) & 0x0f;
526 int rshift = (kcontrol->private_value >> 12) & 0x0f;
527
528 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
529 uinfo->count = shift == rshift ? 1 : 2;
530 uinfo->value.integer.min = 0;
531 uinfo->value.integer.max = mask;
532 return 0;
533}
534
535int snd_ac97_get_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
536{
537 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
538 int reg = kcontrol->private_value & 0xff;
539 int shift = (kcontrol->private_value >> 8) & 0x0f;
540 int rshift = (kcontrol->private_value >> 12) & 0x0f;
541 int mask = (kcontrol->private_value >> 16) & 0xff;
542 int invert = (kcontrol->private_value >> 24) & 0x01;
543 int page_save;
544
545 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
546 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
547 if (shift != rshift)
548 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
549 if (invert) {
550 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
551 if (shift != rshift)
552 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
553 }
554 snd_ac97_page_restore(ac97, page_save);
555 return 0;
556}
557
558int snd_ac97_put_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
559{
560 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
561 int reg = kcontrol->private_value & 0xff;
562 int shift = (kcontrol->private_value >> 8) & 0x0f;
563 int rshift = (kcontrol->private_value >> 12) & 0x0f;
564 int mask = (kcontrol->private_value >> 16) & 0xff;
565 int invert = (kcontrol->private_value >> 24) & 0x01;
566 int err, page_save;
567 unsigned short val, val2, val_mask;
568
569 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
570 val = (ucontrol->value.integer.value[0] & mask);
571 if (invert)
572 val = mask - val;
573 val_mask = mask << shift;
574 val = val << shift;
575 if (shift != rshift) {
576 val2 = (ucontrol->value.integer.value[1] & mask);
577 if (invert)
578 val2 = mask - val2;
579 val_mask |= mask << rshift;
580 val |= val2 << rshift;
581 }
582 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
583 snd_ac97_page_restore(ac97, page_save);
584 return err;
585}
586
587static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = {
588AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
589AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
590};
591
592static const snd_kcontrol_new_t snd_ac97_controls_tone[2] = {
593AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
594AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
595};
596
597static const snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = {
598AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
599AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
600};
601
602static const snd_kcontrol_new_t snd_ac97_controls_mic_boost =
603 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
604
605
606static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
607static const char* std_3d_path[] = {"pre 3D", "post 3D"};
608static const char* std_mix[] = {"Mix", "Mic"};
609static const char* std_mic[] = {"Mic1", "Mic2"};
610
611static const struct ac97_enum std_enum[] = {
612AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
613AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
614AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
615AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
616};
617
618static const snd_kcontrol_new_t snd_ac97_control_capture_src =
619AC97_ENUM("Capture Source", std_enum[0]);
620
621static const snd_kcontrol_new_t snd_ac97_control_capture_vol =
622AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
623
624static const snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = {
625AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
626AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
627};
628
629typedef enum {
630 AC97_GENERAL_PCM_OUT = 0,
631 AC97_GENERAL_STEREO_ENHANCEMENT,
632 AC97_GENERAL_3D,
633 AC97_GENERAL_LOUDNESS,
634 AC97_GENERAL_MONO,
635 AC97_GENERAL_MIC,
636 AC97_GENERAL_LOOPBACK
637} ac97_general_index_t;
638
639static const snd_kcontrol_new_t snd_ac97_controls_general[7] = {
640AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
641AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
642AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
643AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
644AC97_ENUM("Mono Output Select", std_enum[2]),
645AC97_ENUM("Mic Select", std_enum[3]),
646AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
647};
648
649const snd_kcontrol_new_t snd_ac97_controls_3d[2] = {
650AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
651AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
652};
653
654static const snd_kcontrol_new_t snd_ac97_controls_center[2] = {
655AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
656AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
657};
658
659static const snd_kcontrol_new_t snd_ac97_controls_lfe[2] = {
660AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
661AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
662};
663
1da177e4
LT		 664static const snd_kcontrol_new_t snd_ac97_control_eapd =
665AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
666
87d61c29
SK		 667static const snd_kcontrol_new_t snd_ac97_controls_modem_switches[2] = {
668AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
669AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
670};
671
1da177e4
LT		 672/* change the existing EAPD control as inverted */
673static void set_inv_eapd(ac97_t *ac97, snd_kcontrol_t *kctl)
674{
675 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
676 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
677 ac97->scaps |= AC97_SCAP_INV_EAPD;
678}
679
680static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
681{
682 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
683 uinfo->count = 1;
684 return 0;
685}
686
687static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
688{
689 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
690 IEC958_AES0_NONAUDIO |
691 IEC958_AES0_CON_EMPHASIS_5015 |
692 IEC958_AES0_CON_NOT_COPYRIGHT;
693 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
694 IEC958_AES1_CON_ORIGINAL;
695 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
696 return 0;
697}
698
699static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
700{
701 /* FIXME: AC'97 spec doesn't say which bits are used for what */
702 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
703 IEC958_AES0_NONAUDIO |
704 IEC958_AES0_PRO_FS |
705 IEC958_AES0_PRO_EMPHASIS_5015;
706 return 0;
707}
708
709static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
710{
711 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
712
713 down(&ac97->reg_mutex);
714 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
715 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
716 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
717 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
718 up(&ac97->reg_mutex);
719 return 0;
720}
721
722static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
723{
724 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
725 unsigned int new = 0;
726 unsigned short val = 0;
727 int change;
728
729 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
730 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
731 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
732 switch (new & IEC958_AES0_PRO_FS) {
733 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
734 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
735 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
736 default: val |= 1<<12; break;
737 }
738 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
739 val |= 1<<3;
740 } else {
741 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
742 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
743 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
744 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
745 val |= 1<<3;
746 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
747 val |= 1<<2;
748 val |= ((new >> 8) & 0xff) << 4; // category + original
749 switch ((new >> 24) & 0xff) {
750 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
751 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
752 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
753 default: val |= 1<<12; break;
754 }
755 }
756
757 down(&ac97->reg_mutex);
758 change = ac97->spdif_status != new;
759 ac97->spdif_status = new;
760
761 if (ac97->flags & AC97_CS_SPDIF) {
762 int x = (val >> 12) & 0x03;
763 switch (x) {
764 case 0: x = 1; break; // 44.1
765 case 2: x = 0; break; // 48.0
766 default: x = 0; break; // illegal.
767 }
768 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
769 } else if (ac97->flags & AC97_CX_SPDIF) {
770 int v;
771 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
772 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
773 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
774 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
775 v);
776 } else {
777 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
778 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
779
780 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
781 if (extst & AC97_EA_SPDIF) {
782 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
783 }
784 }
785 up(&ac97->reg_mutex);
786
787 return change;
788}
789
790static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
791{
792 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
793 int reg = kcontrol->private_value & 0xff;
794 int shift = (kcontrol->private_value >> 8) & 0xff;
795 int mask = (kcontrol->private_value >> 16) & 0xff;
796 // int invert = (kcontrol->private_value >> 24) & 0xff;
797 unsigned short value, old, new;
798 int change;
799
800 value = (ucontrol->value.integer.value[0] & mask);
801
802 down(&ac97->reg_mutex);
803 mask <<= shift;
804 value <<= shift;
805 old = snd_ac97_read_cache(ac97, reg);
806 new = (old & ~mask) | value;
807 change = old != new;
808
809 if (change) {
810 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
811 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
812 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
813 if (extst & AC97_EA_SPDIF)
814 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
815 }
816 up(&ac97->reg_mutex);
817 return change;
818}
819
820const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = {
821 {
822 .access = SNDRV_CTL_ELEM_ACCESS_READ,
823 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
824 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
825 .info = snd_ac97_spdif_mask_info,
826 .get = snd_ac97_spdif_cmask_get,
827 },
828 {
829 .access = SNDRV_CTL_ELEM_ACCESS_READ,
830 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
831 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
832 .info = snd_ac97_spdif_mask_info,
833 .get = snd_ac97_spdif_pmask_get,
834 },
835 {
836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
838 .info = snd_ac97_spdif_mask_info,
839 .get = snd_ac97_spdif_default_get,
840 .put = snd_ac97_spdif_default_put,
841 },
842
843 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
844 {
845 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
846 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
847 .info = snd_ac97_info_volsw,
848 .get = snd_ac97_get_volsw,
849 .put = snd_ac97_put_spsa,
850 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
851 },
852};
853
854#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
855{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
856 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
857 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
858
859static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
860{
861 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
862 int mask = (kcontrol->private_value >> 16) & 0x0f;
863 int lshift = (kcontrol->private_value >> 8) & 0x0f;
864 int rshift = (kcontrol->private_value >> 12) & 0x0f;
865
866 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
867 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
868 uinfo->count = 2;
869 else
870 uinfo->count = 1;
871 uinfo->value.integer.min = 0;
872 uinfo->value.integer.max = mask;
873 return 0;
874}
875
876static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
877{
878 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
879 int codec = kcontrol->private_value & 3;
880 int lshift = (kcontrol->private_value >> 8) & 0x0f;
881 int rshift = (kcontrol->private_value >> 12) & 0x0f;
882 int mask = (kcontrol->private_value >> 16) & 0xff;
883
884 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
885 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
886 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
887 return 0;
888}
889
890static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
891{
892 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
893 int codec = kcontrol->private_value & 3;
894 int lshift = (kcontrol->private_value >> 8) & 0x0f;
895 int rshift = (kcontrol->private_value >> 12) & 0x0f;
896 int mask = (kcontrol->private_value >> 16) & 0xff;
897 unsigned short val, valmask;
898
899 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
900 valmask = mask << lshift;
901 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
902 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
903 valmask |= mask << rshift;
904 }
905 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
906}
907
908#define AD18XX_PCM_VOLUME(xname, codec) \
909{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
910 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
911 .private_value = codec }
912
913static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
914{
915 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
916 uinfo->count = 2;
917 uinfo->value.integer.min = 0;
918 uinfo->value.integer.max = 31;
919 return 0;
920}
921
922static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
923{
924 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
925 int codec = kcontrol->private_value & 3;
926
927 down(&ac97->page_mutex);
928 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
929 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
930 up(&ac97->page_mutex);
931 return 0;
932}
933
934static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
935{
936 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
937 int codec = kcontrol->private_value & 3;
938 unsigned short val1, val2;
939
940 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
941 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
942 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
943}
944
945static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = {
946AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
947AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
948};
949
950static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = {
951AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
952AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
953};
954
955static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = {
956AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
957AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
958};
959
960static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = {
961AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
962AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
963};
964
965/*
966 *
967 */
968
969static void snd_ac97_powerdown(ac97_t *ac97);
970
971static int snd_ac97_bus_free(ac97_bus_t *bus)
972{
973 if (bus) {
974 snd_ac97_bus_proc_done(bus);
975 kfree(bus->pcms);
976 if (bus->private_free)
977 bus->private_free(bus);
978 kfree(bus);
979 }
980 return 0;
981}
982
983static int snd_ac97_bus_dev_free(snd_device_t *device)
984{
985 ac97_bus_t *bus = device->device_data;
986 return snd_ac97_bus_free(bus);
987}
988
989static int snd_ac97_free(ac97_t *ac97)
990{
991 if (ac97) {
992 snd_ac97_proc_done(ac97);
2ba71978 993 if (ac97->bus)
1da177e4 994 ac97->bus->codec[ac97->num] = NULL;
1da177e4
LT		 995 if (ac97->private_free)
996 ac97->private_free(ac97);
997 kfree(ac97);
998 }
999 return 0;
1000}
1001
1002static int snd_ac97_dev_free(snd_device_t *device)
1003{
1004 ac97_t *ac97 = device->device_data;
1005 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1006 return snd_ac97_free(ac97);
1007}
1008
1009static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg)
1010{
1011 unsigned short val, mask = 0x8000;
1012
1013 if (! snd_ac97_valid_reg(ac97, reg))
1014 return 0;
1015
1016 switch (reg) {
1017 case AC97_MASTER_TONE:
1018 return ac97->caps & 0x04 ? 1 : 0;
1019 case AC97_HEADPHONE:
1020 return ac97->caps & 0x10 ? 1 : 0;
1021 case AC97_REC_GAIN_MIC:
1022 return ac97->caps & 0x01 ? 1 : 0;
1023 case AC97_3D_CONTROL:
1024 if (ac97->caps & 0x7c00) {
1025 val = snd_ac97_read(ac97, reg);
1026 /* if nonzero - fixed and we can't set it */
1027 return val == 0;
1028 }
1029 return 0;
1030 case AC97_CENTER_LFE_MASTER: /* center */
1031 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1032 return 0;
1033 break;
1034 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1035 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1036 return 0;
1037 reg = AC97_CENTER_LFE_MASTER;
1038 mask = 0x0080;
1039 break;
1040 case AC97_SURROUND_MASTER:
1041 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1042 return 0;
1043 break;
1044 }
1045
1046 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1047 return 1; /* allow without check */
1048
1049 val = snd_ac97_read(ac97, reg);
1050 if (!(val & mask)) {
1051 /* nothing seems to be here - mute flag is not set */
1052 /* try another test */
1053 snd_ac97_write_cache(ac97, reg, val | mask);
1054 val = snd_ac97_read(ac97, reg);
1055 if (!(val & mask))
1056 return 0; /* nothing here */
1057 }
1058 return 1; /* success, useable */
1059}
1060
1061static void check_volume_resolution(ac97_t *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1062{
1063 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1064 unsigned char max[3] = { 63, 31, 15 };
1065 int i;
1066
1067 *lo_max = *hi_max = 0;
1068 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1069 unsigned short val;
1070 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
c9eab129
JCD		 1071 /* Do the read twice due to buffers on some ac97 codecs.
1072 * e.g. The STAC9704 returns exactly what you wrote the the register
1073 * if you read it immediately. This causes the detect routine to fail.
1074 */
1075 val = snd_ac97_read(ac97, reg);
1da177e4 1076 val = snd_ac97_read(ac97, reg);
a2142674 1077 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1078 *lo_max = max[i];
a2142674 1079 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1080 *hi_max = max[i];
1081 if (*lo_max && *hi_max)
1082 break;
1083 }
1084}
1085
1086int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit)
1087{
1088 unsigned short mask, val, orig, res;
1089
1090 mask = 1 << bit;
1091 orig = snd_ac97_read(ac97, reg);
1092 val = orig ^ mask;
1093 snd_ac97_write(ac97, reg, val);
1094 res = snd_ac97_read(ac97, reg);
1095 snd_ac97_write_cache(ac97, reg, orig);
1096 return res == val;
1097}
1098
1099/* check the volume resolution of center/lfe */
1100static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max)
1101{
1102 unsigned short val, val1;
1103
1104 *max = 63;
1105 val = 0x8080 | (0x20 << shift);
1106 snd_ac97_write(ac97, reg, val);
1107 val1 = snd_ac97_read(ac97, reg);
1108 if (val != val1) {
1109 *max = 31;
1110 }
1111 /* reset volume to zero */
1112 snd_ac97_write_cache(ac97, reg, 0x8080);
1113}
1114
1115static inline int printable(unsigned int x)
1116{
1117 x &= 0xff;
1118 if (x < ' ' || x >= 0x71) {
1119 if (x <= 0x89)
1120 return x - 0x71 + 'A';
1121 return '?';
1122 }
1123 return x;
1124}
1125
1126snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97)
1127{
1128 snd_kcontrol_new_t template;
1129 memcpy(&template, _template, sizeof(template));
1da177e4
LT		 1130 template.index = ac97->num;
1131 return snd_ctl_new1(&template, ac97);
1132}
1133
1134/*
1135 * create mute switch(es) for normal stereo controls
1136 */
1137static int snd_ac97_cmute_new_stereo(snd_card_t *card, char *name, int reg, int check_stereo, ac97_t *ac97)
1138{
1139 snd_kcontrol_t *kctl;
1140 int err;
1141 unsigned short val, val1, mute_mask;
1142
1143 if (! snd_ac97_valid_reg(ac97, reg))
1144 return 0;
1145
1146 mute_mask = 0x8000;
1147 val = snd_ac97_read(ac97, reg);
1148 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1149 /* check whether both mute bits work */
1150 val1 = val | 0x8080;
1151 snd_ac97_write(ac97, reg, val1);
1152 if (val1 == snd_ac97_read(ac97, reg))
1153 mute_mask = 0x8080;
1154 }
1155 if (mute_mask == 0x8080) {
1156 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1157 tmp.index = ac97->num;
1158 kctl = snd_ctl_new1(&tmp, ac97);
1159 } else {
1160 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1161 tmp.index = ac97->num;
1162 kctl = snd_ctl_new1(&tmp, ac97);
1163 }
1164 err = snd_ctl_add(card, kctl);
1165 if (err < 0)
1166 return err;
1167 /* mute as default */
1168 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1169 return 0;
1170}
1171
1172/*
1173 * create a volume for normal stereo/mono controls
1174 */
1175static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int lo_max,
1176 unsigned int hi_max, ac97_t *ac97)
1177{
1178 int err;
1179 snd_kcontrol_t *kctl;
1180
1181 if (! snd_ac97_valid_reg(ac97, reg))
1182 return 0;
1183 if (hi_max) {
1184 /* invert */
1185 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1186 tmp.index = ac97->num;
1187 kctl = snd_ctl_new1(&tmp, ac97);
1188 } else {
1189 /* invert */
1190 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1191 tmp.index = ac97->num;
1192 kctl = snd_ctl_new1(&tmp, ac97);
1193 }
1194 err = snd_ctl_add(card, kctl);
1195 if (err < 0)
1196 return err;
1197 snd_ac97_write_cache(ac97, reg,
1198 (snd_ac97_read(ac97, reg) & 0x8080) |
1199 lo_max | (hi_max << 8));
1200 return 0;
1201}
1202
1203/*
1204 * create a mute-switch and a volume for normal stereo/mono controls
1205 */
1206static int snd_ac97_cmix_new_stereo(snd_card_t *card, const char *pfx, int reg, int check_stereo, ac97_t *ac97)
1207{
1208 int err;
1209 char name[44];
1210 unsigned char lo_max, hi_max;
1211
1212 if (! snd_ac97_valid_reg(ac97, reg))
1213 return 0;
1214
1215 if (snd_ac97_try_bit(ac97, reg, 15)) {
1216 sprintf(name, "%s Switch", pfx);
1217 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1218 return err;
1219 }
1220 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1221 if (lo_max) {
1222 sprintf(name, "%s Volume", pfx);
1223 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1224 return err;
1225 }
1226 return 0;
1227}
1228
1229#define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1230#define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1231
1232static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97);
1233
1234static int snd_ac97_mixer_build(ac97_t * ac97)
1235{
1236 snd_card_t *card = ac97->bus->card;
1237 snd_kcontrol_t *kctl;
1238 int err;
1239 unsigned int idx;
1240 unsigned char max;
1241
1242 /* build master controls */
1243 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1244 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1245 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1246 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1247 else
1248 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1249 if (err < 0)
1250 return err;
1251 }
1252
1253 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1254
1255 /* build center controls */
1256 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1257 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1258 return err;
1259 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1260 return err;
1261 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1262 kctl->private_value &= ~(0xff << 16);
1263 kctl->private_value |= (int)max << 16;
1264 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1265 }
1266
1267 /* build LFE controls */
1268 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1269 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1270 return err;
1271 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1272 return err;
1273 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1274 kctl->private_value &= ~(0xff << 16);
1275 kctl->private_value |= (int)max << 16;
1276 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1277 }
1278
1279 /* build surround controls */
1280 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1281 /* Surround Master (0x38) is with stereo mutes */
1282 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1283 return err;
1284 }
1285
1286 /* build headphone controls */
1287 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1288 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1289 return err;
1290 }
1291
1292 /* build master mono controls */
1293 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1294 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1295 return err;
1296 }
1297
1298 /* build master tone controls */
3998b70f
LG		 1299 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1300 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1301 for (idx = 0; idx < 2; idx++) {
1302 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1303 return err;
1304 if (ac97->id == AC97_ID_YMF753) {
1305 kctl->private_value &= ~(0xff << 16);
1306 kctl->private_value |= 7 << 16;
1307 }
1da177e4 1308 }
3998b70f 1309 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1da177e4 1310 }
1da177e4
LT		 1311 }
1312
1313 /* build PC Speaker controls */
1314 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1315 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1316 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1317 for (idx = 0; idx < 2; idx++)
1318 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1319 return err;
1320 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1321 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1322 }
1323
1324 /* build Phone controls */
1325 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1326 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1327 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1328 return err;
1329 }
1330 }
1331
1332 /* build MIC controls */
3998b70f
LG		 1333 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1334 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1335 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1336 return err;
1337 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1338 return err;
1339 }
1da177e4
LT		 1340 }
1341
1342 /* build Line controls */
1343 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1344 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1345 return err;
1346 }
1347
1348 /* build CD controls */
1349 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1350 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1351 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1352 return err;
1353 }
1354 }
1355
1356 /* build Video controls */
1357 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1358 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1359 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1360 return err;
1361 }
1362 }
1363
1364 /* build Aux controls */
1365 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1366 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1367 return err;
1368 }
1369
1370 /* build PCM controls */
1371 if (ac97->flags & AC97_AD_MULTI) {
1372 unsigned short init_val;
1373 if (ac97->flags & AC97_STEREO_MUTES)
1374 init_val = 0x9f9f;
1375 else
1376 init_val = 0x9f1f;
1377 for (idx = 0; idx < 2; idx++)
1378 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1379 return err;
1380 ac97->spec.ad18xx.pcmreg[0] = init_val;
1381 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1382 for (idx = 0; idx < 2; idx++)
1383 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1384 return err;
1385 ac97->spec.ad18xx.pcmreg[1] = init_val;
1386 }
1387 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1388 for (idx = 0; idx < 2; idx++)
1389 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1390 return err;
1391 for (idx = 0; idx < 2; idx++)
1392 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1393 return err;
1394 ac97->spec.ad18xx.pcmreg[2] = init_val;
1395 }
1396 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1397 } else {
3998b70f
LG		 1398 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1399 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1400 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1401 else
1402 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1403 if (err < 0)
1404 return err;
1405 }
1da177e4
LT		 1406 }
1407
1408 /* build Capture controls */
1409 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1410 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1411 return err;
1412 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1413 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1414 return err;
1415 }
1416 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1417 return err;
1418 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1419 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1420 }
1421 /* build MIC Capture controls */
1422 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1423 for (idx = 0; idx < 2; idx++)
1424 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1425 return err;
1426 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1427 }
1428
1429 /* build PCM out path & mute control */
1430 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1431 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1432 return err;
1433 }
1434
1435 /* build Simulated Stereo Enhancement control */
1436 if (ac97->caps & 0x0008) {
1437 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1438 return err;
1439 }
1440
1441 /* build 3D Stereo Enhancement control */
1442 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1443 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1444 return err;
1445 }
1446
1447 /* build Loudness control */
1448 if (ac97->caps & 0x0020) {
1449 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1450 return err;
1451 }
1452
1453 /* build Mono output select control */
1454 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1455 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1456 return err;
1457 }
1458
1459 /* build Mic select control */
1460 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1461 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1462 return err;
1463 }
1464
1465 /* build ADC/DAC loopback control */
1466 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1467 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1468 return err;
1469 }
1470
1471 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1472
1473 /* build 3D controls */
1474 if (ac97->build_ops->build_3d) {
1475 ac97->build_ops->build_3d(ac97);
1476 } else {
1477 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1478 unsigned short val;
1479 val = 0x0707;
1480 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1481 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1482 val = val == 0x0606;
1483 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1484 return err;
1485 if (val)
1486 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1487 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1488 return err;
1489 if (val)
1490 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1491 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1492 }
1493 }
1494
1495 /* build S/PDIF controls */
1496 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1497 if (ac97->build_ops->build_spdif) {
1498 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1499 return err;
1500 } else {
1501 for (idx = 0; idx < 5; idx++)
1502 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1503 return err;
1504 if (ac97->build_ops->build_post_spdif) {
1505 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1506 return err;
1507 }
1508 /* set default PCM S/PDIF params */
1509 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1510 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1511 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1512 }
1513 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1514 }
1515
1516 /* build chip specific controls */
1517 if (ac97->build_ops->build_specific)
1518 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1519 return err;
1520
1521 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1522 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1523 if (! kctl)
1524 return -ENOMEM;
1525 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1526 set_inv_eapd(ac97, kctl);
1527 if ((err = snd_ctl_add(card, kctl)) < 0)
1528 return err;
1529 }
1530
1531 return 0;
1532}
1533
1534static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97)
1535{
87d61c29
SK		 1536 int err, idx;
1537
1da177e4
LT		 1538 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1539 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1540 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1541 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1542 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1543 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1544
1545 /* build modem switches */
1546 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
0444e2ac 1547 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
87d61c29
SK		 1548 return err;
1549
1550 /* build chip specific controls */
1551 if (ac97->build_ops->build_specific)
1552 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1553 return err;
1554
1da177e4
LT		 1555 return 0;
1556}
1557
1558static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate)
1559{
1560 unsigned short val;
1561 unsigned int tmp;
1562
1563 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1564 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1565 if (shadow_reg)
1566 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1567 val = snd_ac97_read(ac97, reg);
1568 return val == (tmp & 0xffff);
1569}
1570
1571static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result)
1572{
1573 unsigned int result = 0;
1574 unsigned short saved;
1575
1576 if (ac97->bus->no_vra) {
1577 *r_result = SNDRV_PCM_RATE_48000;
1578 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1579 reg == AC97_PCM_FRONT_DAC_RATE)
1580 *r_result |= SNDRV_PCM_RATE_96000;
1581 return;
1582 }
1583
1584 saved = snd_ac97_read(ac97, reg);
1585 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1586 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1587 AC97_EA_DRA, 0);
1588 /* test a non-standard rate */
1589 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1590 result |= SNDRV_PCM_RATE_CONTINUOUS;
1591 /* let's try to obtain standard rates */
1592 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1593 result |= SNDRV_PCM_RATE_8000;
1594 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1595 result |= SNDRV_PCM_RATE_11025;
1596 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1597 result |= SNDRV_PCM_RATE_16000;
1598 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1599 result |= SNDRV_PCM_RATE_22050;
1600 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1601 result |= SNDRV_PCM_RATE_32000;
1602 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1603 result |= SNDRV_PCM_RATE_44100;
1604 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1605 result |= SNDRV_PCM_RATE_48000;
1606 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1607 reg == AC97_PCM_FRONT_DAC_RATE) {
1608 /* test standard double rates */
1609 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1610 AC97_EA_DRA, AC97_EA_DRA);
1611 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1612 result |= SNDRV_PCM_RATE_64000;
1613 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1614 result |= SNDRV_PCM_RATE_88200;
1615 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1616 result |= SNDRV_PCM_RATE_96000;
1617 /* some codecs don't support variable double rates */
1618 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1619 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1620 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1621 AC97_EA_DRA, 0);
1622 }
1623 /* restore the default value */
1624 snd_ac97_write_cache(ac97, reg, saved);
1625 if (shadow_reg)
1626 snd_ac97_write_cache(ac97, shadow_reg, saved);
1627 *r_result = result;
1628}
1629
1630/* check AC97_SPDIF register to accept which sample rates */
1631static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97)
1632{
1633 unsigned int result = 0;
1634 int i;
1635 static unsigned short ctl_bits[] = {
1636 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1637 };
1638 static unsigned int rate_bits[] = {
1639 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1640 };
1641
1642 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1643 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1644 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1645 result |= rate_bits[i];
1646 }
1647 return result;
1648}
1649
1650/* look for the codec id table matching with the given id */
1651static const ac97_codec_id_t *look_for_codec_id(const ac97_codec_id_t *table,
1652 unsigned int id)
1653{
1654 const ac97_codec_id_t *pid;
1655
1656 for (pid = table; pid->id; pid++)
1657 if (pid->id == (id & pid->mask))
1658 return pid;
1659 return NULL;
1660}
1661
1662void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem)
1663{
1664 const ac97_codec_id_t *pid;
1665
1666 sprintf(name, "0x%x %c%c%c", id,
1667 printable(id >> 24),
1668 printable(id >> 16),
1669 printable(id >> 8));
1670 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1671 if (! pid)
1672 return;
1673
1674 strcpy(name, pid->name);
1675 if (ac97 && pid->patch) {
1676 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1677 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1678 pid->patch(ac97);
1679 }
1680
1681 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1682 if (pid) {
1683 strcat(name, " ");
1684 strcat(name, pid->name);
1685 if (pid->mask != 0xffffffff)
1686 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1687 if (ac97 && pid->patch) {
1688 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1689 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1690 pid->patch(ac97);
1691 }
1692 } else
1693 sprintf(name + strlen(name), " id %x", id & 0xff);
1694}
1695
1696/**
1697 * snd_ac97_get_short_name - retrieve codec name
1698 * @ac97: the codec instance
1699 *
1700 * Returns the short identifying name of the codec.
1701 */
1702const char *snd_ac97_get_short_name(ac97_t *ac97)
1703{
1704 const ac97_codec_id_t *pid;
1705
1706 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1707 if (pid->id == (ac97->id & pid->mask))
1708 return pid->name;
1709 return "unknown codec";
1710}
1711
1712
1713/* wait for a while until registers are accessible after RESET
1714 * return 0 if ok, negative not ready
1715 */
1716static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
1717{
1718 unsigned long end_time;
1719 unsigned short val;
1720
1721 end_time = jiffies + timeout;
1722 do {
1723
1724 /* use preliminary reads to settle the communication */
1725 snd_ac97_read(ac97, AC97_RESET);
1726 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1727 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1728 /* modem? */
1729 if (with_modem) {
1730 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1731 if (val != 0xffff && (val & 1) != 0)
1732 return 0;
1733 }
1734 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1735 /* probably only Xbox issue - all registers are read as zero */
1736 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1737 if (val != 0 && val != 0xffff)
1738 return 0;
1739 } else {
1740 /* because the PCM or MASTER volume registers can be modified,
1741 * the REC_GAIN register is used for tests
1742 */
1743 /* test if we can write to the record gain volume register */
1744 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1745 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1746 return 0;
1747 }
8433a509 1748 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1749 } while (time_after_eq(end_time, jiffies));
1750 return -ENODEV;
1751}
1752
1753/**
1754 * snd_ac97_bus - create an AC97 bus component
1755 * @card: the card instance
1756 * @num: the bus number
1757 * @ops: the bus callbacks table
1758 * @private_data: private data pointer for the new instance
1759 * @rbus: the pointer to store the new AC97 bus instance.
1760 *
1761 * Creates an AC97 bus component. An ac97_bus_t instance is newly
1762 * allocated and initialized.
1763 *
1764 * The ops table must include valid callbacks (at least read and
1765 * write). The other callbacks, wait and reset, are not mandatory.
1766 *
1767 * The clock is set to 48000. If another clock is needed, set
1768 * (*rbus)->clock manually.
1769 *
1770 * The AC97 bus instance is registered as a low-level device, so you don't
1771 * have to release it manually.
1772 *
1773 * Returns zero if successful, or a negative error code on failure.
1774 */
1775int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
1776 void *private_data, ac97_bus_t **rbus)
1777{
1778 int err;
1779 ac97_bus_t *bus;
1780 static snd_device_ops_t dev_ops = {
1781 .dev_free = snd_ac97_bus_dev_free,
1782 };
1783
1784 snd_assert(card != NULL, return -EINVAL);
1785 snd_assert(rbus != NULL, return -EINVAL);
e560d8d8 1786 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 1787 if (bus == NULL)
1788 return -ENOMEM;
1789 bus->card = card;
1790 bus->num = num;
1791 bus->ops = ops;
1792 bus->private_data = private_data;
1793 bus->clock = 48000;
1794 spin_lock_init(&bus->bus_lock);
1795 snd_ac97_bus_proc_init(bus);
1796 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1797 snd_ac97_bus_free(bus);
1798 return err;
1799 }
1800 *rbus = bus;
1801 return 0;
1802}
1803
0ca06a00
LG		 1804/* stop no dev release warning */
1805static void ac97_device_release(struct device * dev)
1806{
1807}
1808
1809/* register ac97 codec to bus */
1810static int snd_ac97_dev_register(snd_device_t *device)
1811{
1812 ac97_t *ac97 = device->device_data;
1813 int err;
1814
1815 ac97->dev.bus = &ac97_bus_type;
1816 ac97->dev.parent = ac97->bus->card->dev;
0ca06a00 1817 ac97->dev.release = ac97_device_release;
61be3ce0 1818 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "card%d-%d", ac97->bus->card->number, ac97->num);
0ca06a00
LG		 1819 if ((err = device_register(&ac97->dev)) < 0) {
1820 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1821 ac97->dev.bus = NULL;
1822 return err;
1823 }
1824 return 0;
1825}
1826
1827/* unregister ac97 codec */
1828static int snd_ac97_dev_unregister(snd_device_t *device)
1829{
1830 ac97_t *ac97 = device->device_data;
1831 if (ac97->dev.bus)
1832 device_unregister(&ac97->dev);
1833 return snd_ac97_free(ac97);
1834}
1835
1da177e4
LT		 1836/* build_ops to do nothing */
1837static struct snd_ac97_build_ops null_build_ops;
1838
1839/**
1840 * snd_ac97_mixer - create an Codec97 component
1841 * @bus: the AC97 bus which codec is attached to
1842 * @template: the template of ac97, including index, callbacks and
1843 * the private data.
1844 * @rac97: the pointer to store the new ac97 instance.
1845 *
1846 * Creates an Codec97 component. An ac97_t instance is newly
1847 * allocated and initialized from the template. The codec
1848 * is then initialized by the standard procedure.
1849 *
1850 * The template must include the codec number (num) and address (addr),
1851 * and the private data (private_data).
1852 *
1853 * The ac97 instance is registered as a low-level device, so you don't
1854 * have to release it manually.
1855 *
1856 * Returns zero if successful, or a negative error code on failure.
1857 */
1858int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
1859{
1860 int err;
1861 ac97_t *ac97;
1862 snd_card_t *card;
1863 char name[64];
1864 unsigned long end_time;
1865 unsigned int reg;
1866 const ac97_codec_id_t *pid;
1867 static snd_device_ops_t ops = {
1868 .dev_free = snd_ac97_dev_free,
0ca06a00
LG		 1869 .dev_register = snd_ac97_dev_register,
1870 .dev_unregister = snd_ac97_dev_unregister,
1da177e4
LT		 1871 };
1872
1873 snd_assert(rac97 != NULL, return -EINVAL);
1874 *rac97 = NULL;
1875 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1876 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1877
1da177e4 1878 card = bus->card;
e560d8d8 1879 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1da177e4
LT		 1880 if (ac97 == NULL)
1881 return -ENOMEM;
1882 ac97->private_data = template->private_data;
1883 ac97->private_free = template->private_free;
1884 ac97->bus = bus;
1885 ac97->pci = template->pci;
1886 ac97->num = template->num;
1887 ac97->addr = template->addr;
1888 ac97->scaps = template->scaps;
1889 ac97->limited_regs = template->limited_regs;
1890 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1891 bus->codec[ac97->num] = ac97;
1892 init_MUTEX(&ac97->reg_mutex);
1893 init_MUTEX(&ac97->page_mutex);
1894
1895 if (ac97->pci) {
1896 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1897 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1898 }
1899 if (bus->ops->reset) {
1900 bus->ops->reset(ac97);
1901 goto __access_ok;
1902 }
1903
1904 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1905 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1906 if (ac97->id && ac97->id != (unsigned int)-1) {
1907 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1908 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1909 goto __access_ok;
1910 }
1911
23fea4da
SK		 1912 /* reset to defaults */
1913 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1914 snd_ac97_write(ac97, AC97_RESET, 0);
1915 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1916 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 1917 if (bus->ops->wait)
1918 bus->ops->wait(ac97);
1919 else {
1920 udelay(50);
1921 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1922 err = ac97_reset_wait(ac97, HZ/2, 1);
1923 else {
1924 err = ac97_reset_wait(ac97, HZ/2, 0);
1925 if (err < 0)
1926 err = ac97_reset_wait(ac97, HZ/2, 1);
1927 }
1928 if (err < 0) {
1929 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1930 /* proceed anyway - it's often non-critical */
1931 }
1932 }
1933 __access_ok:
1934 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1935 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1936 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1937 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1938 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1939 snd_ac97_free(ac97);
1940 return -EIO;
1941 }
1942 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1943 if (pid)
1944 ac97->flags |= pid->flags;
1945
1946 /* test for AC'97 */
1947 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1948 /* test if we can write to the record gain volume register */
1949 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1950 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1951 ac97->scaps |= AC97_SCAP_AUDIO;
1952 }
1953 if (ac97->scaps & AC97_SCAP_AUDIO) {
1954 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1955 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1956 if (ac97->ext_id == 0xffff) /* invalid combination */
1957 ac97->ext_id = 0;
1958 }
1959
1960 /* test for MC'97 */
1961 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1962 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1963 if (ac97->ext_mid == 0xffff) /* invalid combination */
1964 ac97->ext_mid = 0;
1965 if (ac97->ext_mid & 1)
1966 ac97->scaps |= AC97_SCAP_MODEM;
1967 }
1968
1969 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1970 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1971 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1972 snd_ac97_free(ac97);
1973 return -EACCES;
1974 }
1975
1976 if (bus->ops->reset) // FIXME: always skipping?
1977 goto __ready_ok;
1978
1979 /* FIXME: add powerdown control */
1980 if (ac97_is_audio(ac97)) {
1981 /* nothing should be in powerdown mode */
1982 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1983 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1984 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1985 udelay(100);
1986 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1987 }
1988 /* nothing should be in powerdown mode */
1989 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1990 end_time = jiffies + (HZ / 10);
1991 do {
1992 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1993 goto __ready_ok;
8433a509 1994 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1995 } while (time_after_eq(end_time, jiffies));
1996 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1997 }
1998
1999 /* FIXME: add powerdown control */
2000 if (ac97_is_modem(ac97)) {
2001 unsigned char tmp;
2002
2003 /* nothing should be in powerdown mode */
2004 /* note: it's important to set the rate at first */
2005 tmp = AC97_MEA_GPIO;
2006 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 2007 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 2008 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2009 }
2010 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 2011 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 2012 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2013 }
2014 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 2015 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 2016 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2017 }
8e8311b0 2018 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2019 udelay(100);
2020 /* nothing should be in powerdown mode */
8e8311b0 2021 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2022 end_time = jiffies + (HZ / 10);
2023 do {
2024 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2025 goto __ready_ok;
8433a509 2026 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2027 } while (time_after_eq(end_time, jiffies));
2028 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2029 }
2030
2031 __ready_ok:
2032 if (ac97_is_audio(ac97))
2033 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2034 else
2035 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2036 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2037 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2038 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2039 if (! bus->no_vra)
2040 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2041 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2042 }
2043 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2044 /* Intel controllers require double rate data to be put in
2045 * slots 7+8, so let's hope the codec supports it. */
2046 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2047 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2048 ac97->flags |= AC97_DOUBLE_RATE;
2049 }
2050 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2051 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2052 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2053 } else {
2054 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2055 if (ac97->flags & AC97_DOUBLE_RATE)
2056 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2057 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2058 }
2059 if (ac97->ext_id & AC97_EI_SPDIF) {
2060 /* codec specific code (patch) should override these values */
2061 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2062 }
2063 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2064 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2065 } else {
2066 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2067 }
2068 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2069 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2070 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2071 }
2072 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2073 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2074 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2075 }
2076 /* additional initializations */
2077 if (bus->ops->init)
2078 bus->ops->init(ac97);
2079 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2080 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2081 if (! ac97->build_ops)
2082 ac97->build_ops = &null_build_ops;
2083
2084 if (ac97_is_audio(ac97)) {
2085 char comp[16];
2086 if (card->mixername[0] == '\0') {
2087 strcpy(card->mixername, name);
2088 } else {
2089 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2090 strcat(card->mixername, ",");
2091 strcat(card->mixername, name);
2092 }
2093 }
2094 sprintf(comp, "AC97a:%08x", ac97->id);
2095 if ((err = snd_component_add(card, comp)) < 0) {
2096 snd_ac97_free(ac97);
2097 return err;
2098 }
2099 if (snd_ac97_mixer_build(ac97) < 0) {
2100 snd_ac97_free(ac97);
2101 return -ENOMEM;
2102 }
2103 }
2104 if (ac97_is_modem(ac97)) {
2105 char comp[16];
2106 if (card->mixername[0] == '\0') {
2107 strcpy(card->mixername, name);
2108 } else {
2109 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2110 strcat(card->mixername, ",");
2111 strcat(card->mixername, name);
2112 }
2113 }
2114 sprintf(comp, "AC97m:%08x", ac97->id);
2115 if ((err = snd_component_add(card, comp)) < 0) {
2116 snd_ac97_free(ac97);
2117 return err;
2118 }
2119 if (snd_ac97_modem_build(card, ac97) < 0) {
2120 snd_ac97_free(ac97);
2121 return -ENOMEM;
2122 }
2123 }
2124 /* make sure the proper powerdown bits are cleared */
2ba71978 2125 if (ac97->scaps && ac97_is_audio(ac97)) {
1da177e4
LT		 2126 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2127 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2128 reg &= ~AC97_EA_PRJ;
2129 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2130 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2131 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2132 }
2133 snd_ac97_proc_init(ac97);
2134 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2135 snd_ac97_free(ac97);
2136 return err;
2137 }
2138 *rac97 = ac97;
1da177e4
LT		 2139 return 0;
2140}
2141
2142
2143/*
2144 * Power down the chip.
2145 *
2146 * MASTER and HEADPHONE registers are muted but the register cache values
2147 * are not changed, so that the values can be restored in snd_ac97_resume().
2148 */
2149static void snd_ac97_powerdown(ac97_t *ac97)
2150{
2151 unsigned short power;
2152
2153 if (ac97_is_audio(ac97)) {
2154 /* some codecs have stereo mute bits */
2155 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2156 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2157 }
2158
2159 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2160 power |= 0x4000; /* Headphone amplifier powerdown */
2161 power |= 0x0300; /* ADC & DAC powerdown */
2162 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2163 udelay(100);
2164 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2165 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2166 udelay(100);
2167#if 0
2168 /* FIXME: this causes click noises on some boards at resume */
2169 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2170 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2171#endif
2172}
2173
2174
2175#ifdef CONFIG_PM
2176/**
2177 * snd_ac97_suspend - General suspend function for AC97 codec
2178 * @ac97: the ac97 instance
2179 *
2180 * Suspends the codec, power down the chip.
2181 */
2182void snd_ac97_suspend(ac97_t *ac97)
2183{
2184 if (ac97->build_ops->suspend)
2185 ac97->build_ops->suspend(ac97);
2186 snd_ac97_powerdown(ac97);
2187}
2188
2189/*
2190 * restore ac97 status
2191 */
2192void snd_ac97_restore_status(ac97_t *ac97)
2193{
2194 int i;
2195
2196 for (i = 2; i < 0x7c ; i += 2) {
2197 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2198 continue;
2199 /* restore only accessible registers
2200 * some chip (e.g. nm256) may hang up when unsupported registers
2201 * are accessed..!
2202 */
2203 if (test_bit(i, ac97->reg_accessed)) {
2204 snd_ac97_write(ac97, i, ac97->regs[i]);
2205 snd_ac97_read(ac97, i);
2206 }
2207 }
2208}
2209
2210/*
2211 * restore IEC958 status
2212 */
2213void snd_ac97_restore_iec958(ac97_t *ac97)
2214{
2215 if (ac97->ext_id & AC97_EI_SPDIF) {
2216 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2217 /* reset spdif status */
2218 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2219 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2220 if (ac97->flags & AC97_CS_SPDIF)
2221 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2222 else
2223 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2224 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2225 }
2226 }
2227}
2228
2229/**
2230 * snd_ac97_resume - General resume function for AC97 codec
2231 * @ac97: the ac97 instance
2232 *
2233 * Do the standard resume procedure, power up and restoring the
2234 * old register values.
2235 */
2236void snd_ac97_resume(ac97_t *ac97)
2237{
ef21ca24 2238 unsigned long end_time;
1da177e4
LT		 2239
2240 if (ac97->bus->ops->reset) {
2241 ac97->bus->ops->reset(ac97);
2242 goto __reset_ready;
2243 }
2244
2245 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2246 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2247 snd_ac97_write(ac97, AC97_RESET, 0);
2248 udelay(100);
2249 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2250 }
2251 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2252
2253 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2254 if (ac97_is_audio(ac97)) {
2255 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
ef21ca24
NA		 2256 end_time = jiffies + msecs_to_jiffies(100);
2257 do {
1da177e4
LT		 2258 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2259 break;
8433a509 2260 schedule_timeout_uninterruptible(1);
ef21ca24 2261 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2262 /* FIXME: extra delay */
2263 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
ef21ca24
NA		 2264 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2265 msleep(250);
1da177e4 2266 } else {
ef21ca24
NA		 2267 end_time = jiffies + msecs_to_jiffies(100);
2268 do {
1da177e4
LT		 2269 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2270 if (val != 0xffff && (val & 1) != 0)
2271 break;
8433a509 2272 schedule_timeout_uninterruptible(1);
ef21ca24 2273 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2274 }
2275__reset_ready:
2276
2277 if (ac97->bus->ops->init)
2278 ac97->bus->ops->init(ac97);
2279
2280 if (ac97->build_ops->resume)
2281 ac97->build_ops->resume(ac97);
2282 else {
2283 snd_ac97_restore_status(ac97);
2284 snd_ac97_restore_iec958(ac97);
2285 }
2286}
2287#endif
2288
2289
2290/*
2291 * Hardware tuning
2292 */
2293static void set_ctl_name(char *dst, const char *src, const char *suffix)
2294{
2295 if (suffix)
2296 sprintf(dst, "%s %s", src, suffix);
2297 else
2298 strcpy(dst, src);
2299}
2300
2301/* remove the control with the given name and optional suffix */
2302int snd_ac97_remove_ctl(ac97_t *ac97, const char *name, const char *suffix)
2303{
2304 snd_ctl_elem_id_t id;
2305 memset(&id, 0, sizeof(id));
2306 set_ctl_name(id.name, name, suffix);
2307 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2308 return snd_ctl_remove_id(ac97->bus->card, &id);
2309}
2310
2311static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name, const char *suffix)
2312{
2313 snd_ctl_elem_id_t sid;
2314 memset(&sid, 0, sizeof(sid));
2315 set_ctl_name(sid.name, name, suffix);
2316 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2317 return snd_ctl_find_id(ac97->bus->card, &sid);
2318}
2319
2320/* rename the control with the given name and optional suffix */
2321int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const char *suffix)
2322{
2323 snd_kcontrol_t *kctl = ctl_find(ac97, src, suffix);
2324 if (kctl) {
2325 set_ctl_name(kctl->id.name, dst, suffix);
2326 return 0;
2327 }
2328 return -ENOENT;
2329}
2330
2331/* rename both Volume and Switch controls - don't check the return value */
2332void snd_ac97_rename_vol_ctl(ac97_t *ac97, const char *src, const char *dst)
2333{
2334 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2335 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2336}
2337
2338/* swap controls */
2339int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *suffix)
2340{
2341 snd_kcontrol_t *kctl1, *kctl2;
2342 kctl1 = ctl_find(ac97, s1, suffix);
2343 kctl2 = ctl_find(ac97, s2, suffix);
2344 if (kctl1 && kctl2) {
2345 set_ctl_name(kctl1->id.name, s2, suffix);
2346 set_ctl_name(kctl2->id.name, s1, suffix);
2347 return 0;
2348 }
2349 return -ENOENT;
2350}
2351
2352#if 1
2353/* bind hp and master controls instead of using only hp control */
2354static int bind_hp_volsw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2355{
2356 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2357 if (err > 0) {
2358 unsigned long priv_saved = kcontrol->private_value;
2359 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2360 snd_ac97_put_volsw(kcontrol, ucontrol);
2361 kcontrol->private_value = priv_saved;
2362 }
2363 return err;
2364}
2365
2366/* ac97 tune: bind Master and Headphone controls */
2367static int tune_hp_only(ac97_t *ac97)
2368{
2369 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2370 snd_kcontrol_t *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2371 if (! msw || ! mvol)
2372 return -ENOENT;
2373 msw->put = bind_hp_volsw_put;
2374 mvol->put = bind_hp_volsw_put;
2375 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2376 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2377 return 0;
2378}
2379
2380#else
2381/* ac97 tune: use Headphone control as master */
2382static int tune_hp_only(ac97_t *ac97)
2383{
2384 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2385 return -ENOENT;
2386 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2387 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2388 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2389 return 0;
2390}
2391#endif
2392
2393/* ac97 tune: swap Headphone and Master controls */
2394static int tune_swap_hp(ac97_t *ac97)
2395{
2396 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2397 return -ENOENT;
2398 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2399 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2400 return 0;
2401}
2402
2403/* ac97 tune: swap Surround and Master controls */
2404static int tune_swap_surround(ac97_t *ac97)
2405{
2406 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2407 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2408 return -ENOENT;
2409 return 0;
2410}
2411
2412/* ac97 tune: set up mic sharing for AD codecs */
2413static int tune_ad_sharing(ac97_t *ac97)
2414{
2415 unsigned short scfg;
2416 if ((ac97->id & 0xffffff00) != 0x41445300) {
2417 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2418 return -EINVAL;
2419 }
2420 /* Turn on OMS bit to route microphone to back panel */
2421 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2422 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2423 return 0;
2424}
2425
2426static const snd_kcontrol_new_t snd_ac97_alc_jack_detect =
2427AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2428
2429/* ac97 tune: set up ALC jack-select */
2430static int tune_alc_jack(ac97_t *ac97)
2431{
2432 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2433 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2434 return -EINVAL;
2435 }
2436 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2437 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2438 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2439}
2440
2441/* ac97 tune: inversed EAPD bit */
2442static int tune_inv_eapd(ac97_t *ac97)
2443{
2444 snd_kcontrol_t *kctl = ctl_find(ac97, "External Amplifier", NULL);
2445 if (! kctl)
2446 return -ENOENT;
2447 set_inv_eapd(ac97, kctl);
2448 return 0;
2449}
2450
2451static int master_mute_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2452{
2453 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2454 if (err > 0) {
2455 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
2456 int shift = (kcontrol->private_value >> 8) & 0x0f;
2457 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2458 unsigned short mask;
2459 if (shift != rshift)
2460 mask = 0x8080;
2461 else
2462 mask = 0x8000;
2463 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2464 (ac97->regs[AC97_MASTER] & mask) == mask ?
2465 0x8000 : 0);
2466 }
2467 return err;
2468}
2469
2470/* ac97 tune: EAPD controls mute LED bound with the master mute */
2471static int tune_mute_led(ac97_t *ac97)
2472{
2473 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2474 if (! msw)
2475 return -ENOENT;
2476 msw->put = master_mute_sw_put;
2477 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2478 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2479 return 0;
2480}
2481
2482struct quirk_table {
2483 const char *name;
2484 int (*func)(ac97_t *);
2485};
2486
2487static struct quirk_table applicable_quirks[] = {
2488 { "none", NULL },
2489 { "hp_only", tune_hp_only },
2490 { "swap_hp", tune_swap_hp },
2491 { "swap_surround", tune_swap_surround },
2492 { "ad_sharing", tune_ad_sharing },
2493 { "alc_jack", tune_alc_jack },
2494 { "inv_eapd", tune_inv_eapd },
2495 { "mute_led", tune_mute_led },
2496};
2497
2498/* apply the quirk with the given type */
2499static int apply_quirk(ac97_t *ac97, int type)
2500{
2501 if (type <= 0)
2502 return 0;
2503 else if (type >= ARRAY_SIZE(applicable_quirks))
2504 return -EINVAL;
2505 if (applicable_quirks[type].func)
2506 return applicable_quirks[type].func(ac97);
2507 return 0;
2508}
2509
2510/* apply the quirk with the given name */
2511static int apply_quirk_str(ac97_t *ac97, const char *typestr)
2512{
2513 int i;
2514 struct quirk_table *q;
2515
2516 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2517 q = &applicable_quirks[i];
2518 if (q->name && ! strcmp(typestr, q->name))
2519 return apply_quirk(ac97, i);
2520 }
2521 /* for compatibility, accept the numbers, too */
2522 if (*typestr >= '0' && *typestr <= '9')
2523 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2524 return -EINVAL;
2525}
2526
2527/**
2528 * snd_ac97_tune_hardware - tune up the hardware
2529 * @ac97: the ac97 instance
2530 * @quirk: quirk list
2531 * @override: explicit quirk value (overrides the list if non-NULL)
2532 *
2533 * Do some workaround for each pci device, such as renaming of the
2534 * headphone (true line-out) control as "Master".
2535 * The quirk-list must be terminated with a zero-filled entry.
2536 *
2537 * Returns zero if successful, or a negative error code on failure.
2538 */
2539
2540int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override)
2541{
2542 int result;
2543
1da177e4
LT		 2544 /* quirk overriden? */
2545 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2546 result = apply_quirk_str(ac97, override);
2547 if (result < 0)
2548 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2549 return result;
2550 }
2551
4b499486
PP		 2552 if (! quirk)
2553 return -EINVAL;
2554
69ad07cf
JK		 2555 for (; quirk->subvendor; quirk++) {
2556 if (quirk->subvendor != ac97->subsystem_vendor)
1da177e4 2557 continue;
69ad07cf
JK		 2558 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2559 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
1da177e4
LT		 2560 if (quirk->codec_id && quirk->codec_id != ac97->id)
2561 continue;
2562 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2563 result = apply_quirk(ac97, quirk->type);
2564 if (result < 0)
2565 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2566 return result;
2567 }
2568 }
2569 return 0;
2570}
2571
2572
2573/*
2574 * Exported symbols
2575 */
2576
2577EXPORT_SYMBOL(snd_ac97_write);
2578EXPORT_SYMBOL(snd_ac97_read);
2579EXPORT_SYMBOL(snd_ac97_write_cache);
2580EXPORT_SYMBOL(snd_ac97_update);
2581EXPORT_SYMBOL(snd_ac97_update_bits);
2582EXPORT_SYMBOL(snd_ac97_get_short_name);
2583EXPORT_SYMBOL(snd_ac97_bus);
2584EXPORT_SYMBOL(snd_ac97_mixer);
2585EXPORT_SYMBOL(snd_ac97_pcm_assign);
2586EXPORT_SYMBOL(snd_ac97_pcm_open);
2587EXPORT_SYMBOL(snd_ac97_pcm_close);
2588EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2589EXPORT_SYMBOL(snd_ac97_tune_hardware);
2590EXPORT_SYMBOL(snd_ac97_set_rate);
2591#ifdef CONFIG_PM
2592EXPORT_SYMBOL(snd_ac97_resume);
2593EXPORT_SYMBOL(snd_ac97_suspend);
2594#endif
2595
2596/*
2597 * INIT part
2598 */
2599
2600static int __init alsa_ac97_init(void)
2601{
2602 return 0;
2603}
2604
2605static void __exit alsa_ac97_exit(void)
2606{
2607}
2608
2609module_init(alsa_ac97_init)
2610module_exit(alsa_ac97_exit)
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