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[ALSA] via82xx - added 0x1071/0x8399 to while list
[deliverable/linux.git] / sound / pci / ac97 / ac97_codec.c
CommitLineData
1da177e4
LT		 1/*
2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * Universal interface for Audio Codec '97
4 *
5 * For more details look to AC '97 component specification revision 2.2
6 * by Intel Corporation (http://developer.intel.com).
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25#include <sound/driver.h>
26#include <linux/delay.h>
27#include <linux/init.h>
28#include <linux/slab.h>
29#include <linux/pci.h>
30#include <linux/moduleparam.h>
31#include <sound/core.h>
32#include <sound/pcm.h>
33#include <sound/ac97_codec.h>
34#include <sound/asoundef.h>
35#include <sound/initval.h>
36#include "ac97_local.h"
37#include "ac97_id.h"
38#include "ac97_patch.h"
39
40MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
41MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
42MODULE_LICENSE("GPL");
43
44static int enable_loopback;
45
46module_param(enable_loopback, bool, 0444);
47MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
48
49/*
50
51 */
52
53typedef struct {
54 unsigned int id;
55 unsigned int mask;
56 const char *name;
57 int (*patch)(ac97_t *ac97);
58 int (*mpatch)(ac97_t *ac97);
59 unsigned int flags;
60} ac97_codec_id_t;
61
62static const ac97_codec_id_t snd_ac97_codec_id_vendors[] = {
63{ 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
64{ 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
65{ 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
66{ 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
67{ 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
68{ 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
69{ 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
70{ 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
71{ 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
72{ 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
73{ 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
74{ 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
75{ 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
76{ 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
77{ 0x50534300, 0xffffff00, "Philips", NULL, NULL },
78{ 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
79{ 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
80{ 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
81{ 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
82{ 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
83{ 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
84{ 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
85{ 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
86{ 0, 0, NULL, NULL, NULL }
87};
88
89static const ac97_codec_id_t snd_ac97_codec_ids[] = {
90{ 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
91{ 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
92{ 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
93{ 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
94{ 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
95{ 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
96{ 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
97{ 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
98{ 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
99{ 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
100{ 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
101{ 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
102{ 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
103{ 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
104{ 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
105{ 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
106{ 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
107{ 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL },
108{ 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
109{ 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
110{ 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
111{ 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
112{ 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
113{ 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
114{ 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
115{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
116{ 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
117{ 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
118{ 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
119{ 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
120{ 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
121{ 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
122{ 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
5f0dccf8 123{ 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
1da177e4
LT		 124{ 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
125{ 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
126{ 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
127{ 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
128{ 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
129{ 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
130{ 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
131{ 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
132{ 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
133{ 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
134{ 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
135{ 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
136{ 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
137{ 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
138{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
139{ 0x454d4328, 0xffffffff, "28028", NULL, NULL }, // same as TR28028?
140{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
141{ 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
142{ 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
143{ 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
144{ 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
145{ 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
146{ 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
147{ 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
148{ 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
149{ 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
150{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
151{ 0x4e534350, 0xffffffff, "LM4550", NULL, NULL },
152{ 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
87d61c29 153{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
1da177e4
LT		 154{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
155{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
156{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
157{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
158{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
159{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
160{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
161{ 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
162{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
163{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
164{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
165{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
166{ 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
167{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
168{ 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
169{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
170{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
171{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
172{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
173{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
174{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
175{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
176{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
177{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
178{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
179{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
180{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
181{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
182{ 0, 0, NULL, NULL, NULL }
183};
184
185const char *snd_ac97_stereo_enhancements[] =
186{
187 /* 0 */ "No 3D Stereo Enhancement",
188 /* 1 */ "Analog Devices Phat Stereo",
189 /* 2 */ "Creative Stereo Enhancement",
190 /* 3 */ "National Semi 3D Stereo Enhancement",
191 /* 4 */ "YAMAHA Ymersion",
192 /* 5 */ "BBE 3D Stereo Enhancement",
193 /* 6 */ "Crystal Semi 3D Stereo Enhancement",
194 /* 7 */ "Qsound QXpander",
195 /* 8 */ "Spatializer 3D Stereo Enhancement",
196 /* 9 */ "SRS 3D Stereo Enhancement",
197 /* 10 */ "Platform Tech 3D Stereo Enhancement",
198 /* 11 */ "AKM 3D Audio",
199 /* 12 */ "Aureal Stereo Enhancement",
200 /* 13 */ "Aztech 3D Enhancement",
201 /* 14 */ "Binaura 3D Audio Enhancement",
202 /* 15 */ "ESS Technology Stereo Enhancement",
203 /* 16 */ "Harman International VMAx",
204 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
205 /* 18 */ "Philips Incredible Sound",
206 /* 19 */ "Texas Instruments 3D Stereo Enhancement",
207 /* 20 */ "VLSI Technology 3D Stereo Enhancement",
208 /* 21 */ "TriTech 3D Stereo Enhancement",
209 /* 22 */ "Realtek 3D Stereo Enhancement",
210 /* 23 */ "Samsung 3D Stereo Enhancement",
211 /* 24 */ "Wolfson Microelectronics 3D Enhancement",
212 /* 25 */ "Delta Integration 3D Enhancement",
213 /* 26 */ "SigmaTel 3D Enhancement",
214 /* 27 */ "IC Ensemble/KS Waves",
215 /* 28 */ "Rockwell 3D Stereo Enhancement",
216 /* 29 */ "Reserved 29",
217 /* 30 */ "Reserved 30",
218 /* 31 */ "Reserved 31"
219};
220
221/*
222 * Shared AC97 controllers (ICH, ATIIXP...)
223 */
224static DECLARE_MUTEX(shared_codec_mutex);
225static ac97_t *shared_codec[AC97_SHARED_TYPES][4];
226
227
228/*
229 * I/O routines
230 */
231
232static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg)
233{
234 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
235 return 0;
236
237 /* filter some registers for buggy codecs */
238 switch (ac97->id) {
239 case AC97_ID_AK4540:
240 case AC97_ID_AK4542:
241 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
242 return 1;
243 return 0;
244 case AC97_ID_AD1819: /* AD1819 */
245 case AC97_ID_AD1881: /* AD1881 */
246 case AC97_ID_AD1881A: /* AD1881A */
247 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
248 return 0;
249 return 1;
250 case AC97_ID_AD1885: /* AD1885 */
251 case AC97_ID_AD1886: /* AD1886 */
252 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
253 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
254 if (reg == 0x5a)
255 return 1;
256 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
257 return 0;
258 return 1;
259 case AC97_ID_STAC9700:
260 case AC97_ID_STAC9704:
261 case AC97_ID_STAC9705:
262 case AC97_ID_STAC9708:
263 case AC97_ID_STAC9721:
264 case AC97_ID_STAC9744:
265 case AC97_ID_STAC9756:
266 if (reg <= 0x3a || reg >= 0x5a)
267 return 1;
268 return 0;
269 }
270 return 1;
271}
272
273/**
274 * snd_ac97_write - write a value on the given register
275 * @ac97: the ac97 instance
276 * @reg: the register to change
277 * @value: the value to set
278 *
279 * Writes a value on the given register. This will invoke the write
280 * callback directly after the register check.
281 * This function doesn't change the register cache unlike
282 * #snd_ca97_write_cache(), so use this only when you don't want to
283 * reflect the change to the suspend/resume state.
284 */
285void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value)
286{
287 if (!snd_ac97_valid_reg(ac97, reg))
288 return;
289 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
290 /* Fix H/W bug of ALC100/100P */
291 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
292 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
293 }
294 ac97->bus->ops->write(ac97, reg, value);
295}
296
297/**
298 * snd_ac97_read - read a value from the given register
299 *
300 * @ac97: the ac97 instance
301 * @reg: the register to read
302 *
303 * Reads a value from the given register. This will invoke the read
304 * callback directly after the register check.
305 *
306 * Returns the read value.
307 */
308unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg)
309{
310 if (!snd_ac97_valid_reg(ac97, reg))
311 return 0;
312 return ac97->bus->ops->read(ac97, reg);
313}
314
315/* read a register - return the cached value if already read */
316static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short reg)
317{
318 if (! test_bit(reg, ac97->reg_accessed)) {
319 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
320 // set_bit(reg, ac97->reg_accessed);
321 }
322 return ac97->regs[reg];
323}
324
325/**
326 * snd_ac97_write_cache - write a value on the given register and update the cache
327 * @ac97: the ac97 instance
328 * @reg: the register to change
329 * @value: the value to set
330 *
331 * Writes a value on the given register and updates the register
332 * cache. The cached values are used for the cached-read and the
333 * suspend/resume.
334 */
335void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value)
336{
337 if (!snd_ac97_valid_reg(ac97, reg))
338 return;
339 down(&ac97->reg_mutex);
340 ac97->regs[reg] = value;
341 ac97->bus->ops->write(ac97, reg, value);
342 set_bit(reg, ac97->reg_accessed);
343 up(&ac97->reg_mutex);
344}
345
346/**
347 * snd_ac97_update - update the value on the given register
348 * @ac97: the ac97 instance
349 * @reg: the register to change
350 * @value: the value to set
351 *
352 * Compares the value with the register cache and updates the value
353 * only when the value is changed.
354 *
355 * Returns 1 if the value is changed, 0 if no change, or a negative
356 * code on failure.
357 */
358int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value)
359{
360 int change;
361
362 if (!snd_ac97_valid_reg(ac97, reg))
363 return -EINVAL;
364 down(&ac97->reg_mutex);
365 change = ac97->regs[reg] != value;
366 if (change) {
367 ac97->regs[reg] = value;
368 ac97->bus->ops->write(ac97, reg, value);
369 }
370 up(&ac97->reg_mutex);
371 return change;
372}
373
374/**
375 * snd_ac97_update_bits - update the bits on the given register
376 * @ac97: the ac97 instance
377 * @reg: the register to change
378 * @mask: the bit-mask to change
379 * @value: the value to set
380 *
381 * Updates the masked-bits on the given register only when the value
382 * is changed.
383 *
384 * Returns 1 if the bits are changed, 0 if no change, or a negative
385 * code on failure.
386 */
387int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value)
388{
389 int change;
390
391 if (!snd_ac97_valid_reg(ac97, reg))
392 return -EINVAL;
393 down(&ac97->reg_mutex);
394 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
395 up(&ac97->reg_mutex);
396 return change;
397}
398
399/* no lock version - see snd_ac97_updat_bits() */
400int snd_ac97_update_bits_nolock(ac97_t *ac97, unsigned short reg,
401 unsigned short mask, unsigned short value)
402{
403 int change;
404 unsigned short old, new;
405
406 old = snd_ac97_read_cache(ac97, reg);
407 new = (old & ~mask) | value;
408 change = old != new;
409 if (change) {
410 ac97->regs[reg] = new;
411 ac97->bus->ops->write(ac97, reg, new);
412 }
413 return change;
414}
415
416static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value)
417{
418 int change;
419 unsigned short old, new, cfg;
420
421 down(&ac97->page_mutex);
422 old = ac97->spec.ad18xx.pcmreg[codec];
423 new = (old & ~mask) | value;
424 change = old != new;
425 if (change) {
426 down(&ac97->reg_mutex);
427 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
428 ac97->spec.ad18xx.pcmreg[codec] = new;
429 /* select single codec */
430 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
431 (cfg & ~0x7000) |
432 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
433 /* update PCM bits */
434 ac97->bus->ops->write(ac97, AC97_PCM, new);
435 /* select all codecs */
436 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
437 cfg | 0x7000);
438 up(&ac97->reg_mutex);
439 }
440 up(&ac97->page_mutex);
441 return change;
442}
443
444/*
445 * Controls
446 */
447
448int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
449{
450 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
451
452 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
453 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
454 uinfo->value.enumerated.items = e->mask;
455
456 if (uinfo->value.enumerated.item > e->mask - 1)
457 uinfo->value.enumerated.item = e->mask - 1;
458 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
459 return 0;
460}
461
462int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
463{
464 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
465 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 466 unsigned short val, bitmask;
1da177e4 467
b16760bb 468 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 469 ;
1da177e4 470 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 471 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 472 if (e->shift_l != e->shift_r)
5f0dccf8 473 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 474
475 return 0;
476}
477
478int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
479{
480 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
481 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
482 unsigned short val;
5f0dccf8 483 unsigned short mask, bitmask;
1da177e4 484
b16760bb 485 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 486 ;
1da177e4
LT		 487 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
488 return -EINVAL;
489 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 490 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 491 if (e->shift_l != e->shift_r) {
492 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
493 return -EINVAL;
494 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 495 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 496 }
497 return snd_ac97_update_bits(ac97, e->reg, mask, val);
498}
499
500/* save/restore ac97 v2.3 paging */
501static int snd_ac97_page_save(ac97_t *ac97, int reg, snd_kcontrol_t *kcontrol)
502{
503 int page_save = -1;
504 if ((kcontrol->private_value & (1<<25)) &&
505 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
506 (reg >= 0x60 && reg < 0x70)) {
507 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
508 down(&ac97->page_mutex); /* lock paging */
509 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
510 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
511 }
512 return page_save;
513}
514
515static void snd_ac97_page_restore(ac97_t *ac97, int page_save)
516{
517 if (page_save >= 0) {
518 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
519 up(&ac97->page_mutex); /* unlock paging */
520 }
521}
522
523/* volume and switch controls */
524int snd_ac97_info_volsw(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
525{
526 int mask = (kcontrol->private_value >> 16) & 0xff;
527 int shift = (kcontrol->private_value >> 8) & 0x0f;
528 int rshift = (kcontrol->private_value >> 12) & 0x0f;
529
530 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
531 uinfo->count = shift == rshift ? 1 : 2;
532 uinfo->value.integer.min = 0;
533 uinfo->value.integer.max = mask;
534 return 0;
535}
536
537int snd_ac97_get_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
538{
539 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
540 int reg = kcontrol->private_value & 0xff;
541 int shift = (kcontrol->private_value >> 8) & 0x0f;
542 int rshift = (kcontrol->private_value >> 12) & 0x0f;
543 int mask = (kcontrol->private_value >> 16) & 0xff;
544 int invert = (kcontrol->private_value >> 24) & 0x01;
545 int page_save;
546
547 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
548 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
549 if (shift != rshift)
550 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
551 if (invert) {
552 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
553 if (shift != rshift)
554 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
555 }
556 snd_ac97_page_restore(ac97, page_save);
557 return 0;
558}
559
560int snd_ac97_put_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
561{
562 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
563 int reg = kcontrol->private_value & 0xff;
564 int shift = (kcontrol->private_value >> 8) & 0x0f;
565 int rshift = (kcontrol->private_value >> 12) & 0x0f;
566 int mask = (kcontrol->private_value >> 16) & 0xff;
567 int invert = (kcontrol->private_value >> 24) & 0x01;
568 int err, page_save;
569 unsigned short val, val2, val_mask;
570
571 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
572 val = (ucontrol->value.integer.value[0] & mask);
573 if (invert)
574 val = mask - val;
575 val_mask = mask << shift;
576 val = val << shift;
577 if (shift != rshift) {
578 val2 = (ucontrol->value.integer.value[1] & mask);
579 if (invert)
580 val2 = mask - val2;
581 val_mask |= mask << rshift;
582 val |= val2 << rshift;
583 }
584 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
585 snd_ac97_page_restore(ac97, page_save);
586 return err;
587}
588
589static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = {
590AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
591AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
592};
593
594static const snd_kcontrol_new_t snd_ac97_controls_tone[2] = {
595AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
596AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
597};
598
599static const snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = {
600AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
601AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
602};
603
604static const snd_kcontrol_new_t snd_ac97_controls_mic_boost =
605 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
606
607
608static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
609static const char* std_3d_path[] = {"pre 3D", "post 3D"};
610static const char* std_mix[] = {"Mix", "Mic"};
611static const char* std_mic[] = {"Mic1", "Mic2"};
612
613static const struct ac97_enum std_enum[] = {
614AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
615AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
616AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
617AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
618};
619
620static const snd_kcontrol_new_t snd_ac97_control_capture_src =
621AC97_ENUM("Capture Source", std_enum[0]);
622
623static const snd_kcontrol_new_t snd_ac97_control_capture_vol =
624AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
625
626static const snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = {
627AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
628AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
629};
630
631typedef enum {
632 AC97_GENERAL_PCM_OUT = 0,
633 AC97_GENERAL_STEREO_ENHANCEMENT,
634 AC97_GENERAL_3D,
635 AC97_GENERAL_LOUDNESS,
636 AC97_GENERAL_MONO,
637 AC97_GENERAL_MIC,
638 AC97_GENERAL_LOOPBACK
639} ac97_general_index_t;
640
641static const snd_kcontrol_new_t snd_ac97_controls_general[7] = {
642AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
643AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
644AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
645AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
646AC97_ENUM("Mono Output Select", std_enum[2]),
647AC97_ENUM("Mic Select", std_enum[3]),
648AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
649};
650
651const snd_kcontrol_new_t snd_ac97_controls_3d[2] = {
652AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
653AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
654};
655
656static const snd_kcontrol_new_t snd_ac97_controls_center[2] = {
657AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
658AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
659};
660
661static const snd_kcontrol_new_t snd_ac97_controls_lfe[2] = {
662AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
663AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
664};
665
1da177e4
LT		 666static const snd_kcontrol_new_t snd_ac97_control_eapd =
667AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
668
87d61c29
SK		 669static const snd_kcontrol_new_t snd_ac97_controls_modem_switches[2] = {
670AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
671AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
672};
673
1da177e4
LT		 674/* change the existing EAPD control as inverted */
675static void set_inv_eapd(ac97_t *ac97, snd_kcontrol_t *kctl)
676{
677 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
678 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
679 ac97->scaps |= AC97_SCAP_INV_EAPD;
680}
681
682static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
683{
684 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
685 uinfo->count = 1;
686 return 0;
687}
688
689static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
690{
691 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
692 IEC958_AES0_NONAUDIO |
693 IEC958_AES0_CON_EMPHASIS_5015 |
694 IEC958_AES0_CON_NOT_COPYRIGHT;
695 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
696 IEC958_AES1_CON_ORIGINAL;
697 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
698 return 0;
699}
700
701static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
702{
703 /* FIXME: AC'97 spec doesn't say which bits are used for what */
704 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
705 IEC958_AES0_NONAUDIO |
706 IEC958_AES0_PRO_FS |
707 IEC958_AES0_PRO_EMPHASIS_5015;
708 return 0;
709}
710
711static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
712{
713 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
714
715 down(&ac97->reg_mutex);
716 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
717 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
718 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
719 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
720 up(&ac97->reg_mutex);
721 return 0;
722}
723
724static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
725{
726 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
727 unsigned int new = 0;
728 unsigned short val = 0;
729 int change;
730
731 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
732 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
733 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
734 switch (new & IEC958_AES0_PRO_FS) {
735 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
736 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
737 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
738 default: val |= 1<<12; break;
739 }
740 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
741 val |= 1<<3;
742 } else {
743 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
744 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
745 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
746 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
747 val |= 1<<3;
748 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
749 val |= 1<<2;
750 val |= ((new >> 8) & 0xff) << 4; // category + original
751 switch ((new >> 24) & 0xff) {
752 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
753 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
754 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
755 default: val |= 1<<12; break;
756 }
757 }
758
759 down(&ac97->reg_mutex);
760 change = ac97->spdif_status != new;
761 ac97->spdif_status = new;
762
763 if (ac97->flags & AC97_CS_SPDIF) {
764 int x = (val >> 12) & 0x03;
765 switch (x) {
766 case 0: x = 1; break; // 44.1
767 case 2: x = 0; break; // 48.0
768 default: x = 0; break; // illegal.
769 }
770 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
771 } else if (ac97->flags & AC97_CX_SPDIF) {
772 int v;
773 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
774 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
775 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
776 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
777 v);
778 } else {
779 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
780 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
781
782 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
783 if (extst & AC97_EA_SPDIF) {
784 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
785 }
786 }
787 up(&ac97->reg_mutex);
788
789 return change;
790}
791
792static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
793{
794 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
795 int reg = kcontrol->private_value & 0xff;
796 int shift = (kcontrol->private_value >> 8) & 0xff;
797 int mask = (kcontrol->private_value >> 16) & 0xff;
798 // int invert = (kcontrol->private_value >> 24) & 0xff;
799 unsigned short value, old, new;
800 int change;
801
802 value = (ucontrol->value.integer.value[0] & mask);
803
804 down(&ac97->reg_mutex);
805 mask <<= shift;
806 value <<= shift;
807 old = snd_ac97_read_cache(ac97, reg);
808 new = (old & ~mask) | value;
809 change = old != new;
810
811 if (change) {
812 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
813 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
814 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
815 if (extst & AC97_EA_SPDIF)
816 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
817 }
818 up(&ac97->reg_mutex);
819 return change;
820}
821
822const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = {
823 {
824 .access = SNDRV_CTL_ELEM_ACCESS_READ,
825 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
826 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
827 .info = snd_ac97_spdif_mask_info,
828 .get = snd_ac97_spdif_cmask_get,
829 },
830 {
831 .access = SNDRV_CTL_ELEM_ACCESS_READ,
832 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
833 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
834 .info = snd_ac97_spdif_mask_info,
835 .get = snd_ac97_spdif_pmask_get,
836 },
837 {
838 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
839 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
840 .info = snd_ac97_spdif_mask_info,
841 .get = snd_ac97_spdif_default_get,
842 .put = snd_ac97_spdif_default_put,
843 },
844
845 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
846 {
847 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
848 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
849 .info = snd_ac97_info_volsw,
850 .get = snd_ac97_get_volsw,
851 .put = snd_ac97_put_spsa,
852 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
853 },
854};
855
856#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
857{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
858 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
859 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
860
861static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
862{
863 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
864 int mask = (kcontrol->private_value >> 16) & 0x0f;
865 int lshift = (kcontrol->private_value >> 8) & 0x0f;
866 int rshift = (kcontrol->private_value >> 12) & 0x0f;
867
868 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
869 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
870 uinfo->count = 2;
871 else
872 uinfo->count = 1;
873 uinfo->value.integer.min = 0;
874 uinfo->value.integer.max = mask;
875 return 0;
876}
877
878static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
879{
880 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
881 int codec = kcontrol->private_value & 3;
882 int lshift = (kcontrol->private_value >> 8) & 0x0f;
883 int rshift = (kcontrol->private_value >> 12) & 0x0f;
884 int mask = (kcontrol->private_value >> 16) & 0xff;
885
886 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
887 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
888 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
889 return 0;
890}
891
892static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
893{
894 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
895 int codec = kcontrol->private_value & 3;
896 int lshift = (kcontrol->private_value >> 8) & 0x0f;
897 int rshift = (kcontrol->private_value >> 12) & 0x0f;
898 int mask = (kcontrol->private_value >> 16) & 0xff;
899 unsigned short val, valmask;
900
901 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
902 valmask = mask << lshift;
903 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
904 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
905 valmask |= mask << rshift;
906 }
907 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
908}
909
910#define AD18XX_PCM_VOLUME(xname, codec) \
911{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
912 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
913 .private_value = codec }
914
915static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
916{
917 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
918 uinfo->count = 2;
919 uinfo->value.integer.min = 0;
920 uinfo->value.integer.max = 31;
921 return 0;
922}
923
924static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
925{
926 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
927 int codec = kcontrol->private_value & 3;
928
929 down(&ac97->page_mutex);
930 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
931 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
932 up(&ac97->page_mutex);
933 return 0;
934}
935
936static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
937{
938 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
939 int codec = kcontrol->private_value & 3;
940 unsigned short val1, val2;
941
942 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
943 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
944 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
945}
946
947static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = {
948AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
949AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
950};
951
952static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = {
953AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
954AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
955};
956
957static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = {
958AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
959AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
960};
961
962static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = {
963AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
964AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
965};
966
967/*
968 *
969 */
970
971static void snd_ac97_powerdown(ac97_t *ac97);
972
973static int snd_ac97_bus_free(ac97_bus_t *bus)
974{
975 if (bus) {
976 snd_ac97_bus_proc_done(bus);
977 kfree(bus->pcms);
978 if (bus->private_free)
979 bus->private_free(bus);
980 kfree(bus);
981 }
982 return 0;
983}
984
985static int snd_ac97_bus_dev_free(snd_device_t *device)
986{
987 ac97_bus_t *bus = device->device_data;
988 return snd_ac97_bus_free(bus);
989}
990
991static int snd_ac97_free(ac97_t *ac97)
992{
993 if (ac97) {
994 snd_ac97_proc_done(ac97);
995 if (ac97->bus) {
996 ac97->bus->codec[ac97->num] = NULL;
997 if (ac97->bus->shared_type) {
998 down(&shared_codec_mutex);
999 shared_codec[ac97->bus->shared_type-1][ac97->num] = NULL;
1000 up(&shared_codec_mutex);
1001 }
1002 }
1003 if (ac97->private_free)
1004 ac97->private_free(ac97);
1005 kfree(ac97);
1006 }
1007 return 0;
1008}
1009
1010static int snd_ac97_dev_free(snd_device_t *device)
1011{
1012 ac97_t *ac97 = device->device_data;
1013 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1014 return snd_ac97_free(ac97);
1015}
1016
1017static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg)
1018{
1019 unsigned short val, mask = 0x8000;
1020
1021 if (! snd_ac97_valid_reg(ac97, reg))
1022 return 0;
1023
1024 switch (reg) {
1025 case AC97_MASTER_TONE:
1026 return ac97->caps & 0x04 ? 1 : 0;
1027 case AC97_HEADPHONE:
1028 return ac97->caps & 0x10 ? 1 : 0;
1029 case AC97_REC_GAIN_MIC:
1030 return ac97->caps & 0x01 ? 1 : 0;
1031 case AC97_3D_CONTROL:
1032 if (ac97->caps & 0x7c00) {
1033 val = snd_ac97_read(ac97, reg);
1034 /* if nonzero - fixed and we can't set it */
1035 return val == 0;
1036 }
1037 return 0;
1038 case AC97_CENTER_LFE_MASTER: /* center */
1039 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1040 return 0;
1041 break;
1042 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1043 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1044 return 0;
1045 reg = AC97_CENTER_LFE_MASTER;
1046 mask = 0x0080;
1047 break;
1048 case AC97_SURROUND_MASTER:
1049 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1050 return 0;
1051 break;
1052 }
1053
1054 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1055 return 1; /* allow without check */
1056
1057 val = snd_ac97_read(ac97, reg);
1058 if (!(val & mask)) {
1059 /* nothing seems to be here - mute flag is not set */
1060 /* try another test */
1061 snd_ac97_write_cache(ac97, reg, val | mask);
1062 val = snd_ac97_read(ac97, reg);
1063 if (!(val & mask))
1064 return 0; /* nothing here */
1065 }
1066 return 1; /* success, useable */
1067}
1068
1069static void check_volume_resolution(ac97_t *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1070{
1071 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1072 unsigned char max[3] = { 63, 31, 15 };
1073 int i;
1074
1075 *lo_max = *hi_max = 0;
1076 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1077 unsigned short val;
1078 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1079 val = snd_ac97_read(ac97, reg);
a2142674 1080 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1081 *lo_max = max[i];
a2142674 1082 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1083 *hi_max = max[i];
1084 if (*lo_max && *hi_max)
1085 break;
1086 }
1087}
1088
1089int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit)
1090{
1091 unsigned short mask, val, orig, res;
1092
1093 mask = 1 << bit;
1094 orig = snd_ac97_read(ac97, reg);
1095 val = orig ^ mask;
1096 snd_ac97_write(ac97, reg, val);
1097 res = snd_ac97_read(ac97, reg);
1098 snd_ac97_write_cache(ac97, reg, orig);
1099 return res == val;
1100}
1101
1102/* check the volume resolution of center/lfe */
1103static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max)
1104{
1105 unsigned short val, val1;
1106
1107 *max = 63;
1108 val = 0x8080 | (0x20 << shift);
1109 snd_ac97_write(ac97, reg, val);
1110 val1 = snd_ac97_read(ac97, reg);
1111 if (val != val1) {
1112 *max = 31;
1113 }
1114 /* reset volume to zero */
1115 snd_ac97_write_cache(ac97, reg, 0x8080);
1116}
1117
1118static inline int printable(unsigned int x)
1119{
1120 x &= 0xff;
1121 if (x < ' ' || x >= 0x71) {
1122 if (x <= 0x89)
1123 return x - 0x71 + 'A';
1124 return '?';
1125 }
1126 return x;
1127}
1128
1129snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97)
1130{
1131 snd_kcontrol_new_t template;
1132 memcpy(&template, _template, sizeof(template));
1133 snd_runtime_check(!template.index, return NULL);
1134 template.index = ac97->num;
1135 return snd_ctl_new1(&template, ac97);
1136}
1137
1138/*
1139 * create mute switch(es) for normal stereo controls
1140 */
1141static int snd_ac97_cmute_new_stereo(snd_card_t *card, char *name, int reg, int check_stereo, ac97_t *ac97)
1142{
1143 snd_kcontrol_t *kctl;
1144 int err;
1145 unsigned short val, val1, mute_mask;
1146
1147 if (! snd_ac97_valid_reg(ac97, reg))
1148 return 0;
1149
1150 mute_mask = 0x8000;
1151 val = snd_ac97_read(ac97, reg);
1152 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1153 /* check whether both mute bits work */
1154 val1 = val | 0x8080;
1155 snd_ac97_write(ac97, reg, val1);
1156 if (val1 == snd_ac97_read(ac97, reg))
1157 mute_mask = 0x8080;
1158 }
1159 if (mute_mask == 0x8080) {
1160 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1161 tmp.index = ac97->num;
1162 kctl = snd_ctl_new1(&tmp, ac97);
1163 } else {
1164 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1165 tmp.index = ac97->num;
1166 kctl = snd_ctl_new1(&tmp, ac97);
1167 }
1168 err = snd_ctl_add(card, kctl);
1169 if (err < 0)
1170 return err;
1171 /* mute as default */
1172 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1173 return 0;
1174}
1175
1176/*
1177 * create a volume for normal stereo/mono controls
1178 */
1179static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int lo_max,
1180 unsigned int hi_max, ac97_t *ac97)
1181{
1182 int err;
1183 snd_kcontrol_t *kctl;
1184
1185 if (! snd_ac97_valid_reg(ac97, reg))
1186 return 0;
1187 if (hi_max) {
1188 /* invert */
1189 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1190 tmp.index = ac97->num;
1191 kctl = snd_ctl_new1(&tmp, ac97);
1192 } else {
1193 /* invert */
1194 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1195 tmp.index = ac97->num;
1196 kctl = snd_ctl_new1(&tmp, ac97);
1197 }
1198 err = snd_ctl_add(card, kctl);
1199 if (err < 0)
1200 return err;
1201 snd_ac97_write_cache(ac97, reg,
1202 (snd_ac97_read(ac97, reg) & 0x8080) |
1203 lo_max | (hi_max << 8));
1204 return 0;
1205}
1206
1207/*
1208 * create a mute-switch and a volume for normal stereo/mono controls
1209 */
1210static int snd_ac97_cmix_new_stereo(snd_card_t *card, const char *pfx, int reg, int check_stereo, ac97_t *ac97)
1211{
1212 int err;
1213 char name[44];
1214 unsigned char lo_max, hi_max;
1215
1216 if (! snd_ac97_valid_reg(ac97, reg))
1217 return 0;
1218
1219 if (snd_ac97_try_bit(ac97, reg, 15)) {
1220 sprintf(name, "%s Switch", pfx);
1221 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1222 return err;
1223 }
1224 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1225 if (lo_max) {
1226 sprintf(name, "%s Volume", pfx);
1227 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1228 return err;
1229 }
1230 return 0;
1231}
1232
1233#define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1234#define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1235
1236static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97);
1237
1238static int snd_ac97_mixer_build(ac97_t * ac97)
1239{
1240 snd_card_t *card = ac97->bus->card;
1241 snd_kcontrol_t *kctl;
1242 int err;
1243 unsigned int idx;
1244 unsigned char max;
1245
1246 /* build master controls */
1247 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1248 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1249 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1250 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1251 else
1252 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1253 if (err < 0)
1254 return err;
1255 }
1256
1257 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1258
1259 /* build center controls */
1260 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1261 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1262 return err;
1263 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1264 return err;
1265 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1266 kctl->private_value &= ~(0xff << 16);
1267 kctl->private_value |= (int)max << 16;
1268 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1269 }
1270
1271 /* build LFE controls */
1272 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1273 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1274 return err;
1275 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1276 return err;
1277 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1278 kctl->private_value &= ~(0xff << 16);
1279 kctl->private_value |= (int)max << 16;
1280 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1281 }
1282
1283 /* build surround controls */
1284 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1285 /* Surround Master (0x38) is with stereo mutes */
1286 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1287 return err;
1288 }
1289
1290 /* build headphone controls */
1291 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1292 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1293 return err;
1294 }
1295
1296 /* build master mono controls */
1297 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1298 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1299 return err;
1300 }
1301
1302 /* build master tone controls */
1303 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1304 for (idx = 0; idx < 2; idx++) {
1305 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1306 return err;
1307 if (ac97->id == AC97_ID_YMF753) {
1308 kctl->private_value &= ~(0xff << 16);
1309 kctl->private_value |= 7 << 16;
1310 }
1311 }
1312 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1313 }
1314
1315 /* build PC Speaker controls */
1316 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1317 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1318 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1319 for (idx = 0; idx < 2; idx++)
1320 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1321 return err;
1322 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1323 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1324 }
1325
1326 /* build Phone controls */
1327 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1328 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1329 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1330 return err;
1331 }
1332 }
1333
1334 /* build MIC controls */
1335 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1336 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1337 return err;
1338 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1339 return err;
1340 }
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 {
1398 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1399 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1400 else
1401 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1402 if (err < 0)
1403 return err;
1404 }
1405
1406 /* build Capture controls */
1407 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1408 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1409 return err;
1410 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1411 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1412 return err;
1413 }
1414 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1415 return err;
1416 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1417 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1418 }
1419 /* build MIC Capture controls */
1420 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1421 for (idx = 0; idx < 2; idx++)
1422 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1423 return err;
1424 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1425 }
1426
1427 /* build PCM out path & mute control */
1428 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1429 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1430 return err;
1431 }
1432
1433 /* build Simulated Stereo Enhancement control */
1434 if (ac97->caps & 0x0008) {
1435 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1436 return err;
1437 }
1438
1439 /* build 3D Stereo Enhancement control */
1440 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1441 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1442 return err;
1443 }
1444
1445 /* build Loudness control */
1446 if (ac97->caps & 0x0020) {
1447 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1448 return err;
1449 }
1450
1451 /* build Mono output select control */
1452 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1453 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1454 return err;
1455 }
1456
1457 /* build Mic select control */
1458 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1459 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1460 return err;
1461 }
1462
1463 /* build ADC/DAC loopback control */
1464 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1465 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1466 return err;
1467 }
1468
1469 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1470
1471 /* build 3D controls */
1472 if (ac97->build_ops->build_3d) {
1473 ac97->build_ops->build_3d(ac97);
1474 } else {
1475 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1476 unsigned short val;
1477 val = 0x0707;
1478 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1479 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1480 val = val == 0x0606;
1481 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1482 return err;
1483 if (val)
1484 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1485 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1486 return err;
1487 if (val)
1488 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1489 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1490 }
1491 }
1492
1493 /* build S/PDIF controls */
1494 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1495 if (ac97->build_ops->build_spdif) {
1496 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1497 return err;
1498 } else {
1499 for (idx = 0; idx < 5; idx++)
1500 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1501 return err;
1502 if (ac97->build_ops->build_post_spdif) {
1503 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1504 return err;
1505 }
1506 /* set default PCM S/PDIF params */
1507 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1508 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1509 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1510 }
1511 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1512 }
1513
1514 /* build chip specific controls */
1515 if (ac97->build_ops->build_specific)
1516 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1517 return err;
1518
1519 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1520 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1521 if (! kctl)
1522 return -ENOMEM;
1523 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1524 set_inv_eapd(ac97, kctl);
1525 if ((err = snd_ctl_add(card, kctl)) < 0)
1526 return err;
1527 }
1528
1529 return 0;
1530}
1531
1532static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97)
1533{
87d61c29
SK		 1534 int err, idx;
1535
1da177e4
LT		 1536 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1537 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1538 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1539 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1540 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1541 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1542
1543 /* build modem switches */
1544 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1545 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1546 return err;
1547
1548 /* build chip specific controls */
1549 if (ac97->build_ops->build_specific)
1550 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1551 return err;
1552
1da177e4
LT		 1553 return 0;
1554}
1555
1556static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate)
1557{
1558 unsigned short val;
1559 unsigned int tmp;
1560
1561 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1562 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1563 if (shadow_reg)
1564 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1565 val = snd_ac97_read(ac97, reg);
1566 return val == (tmp & 0xffff);
1567}
1568
1569static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result)
1570{
1571 unsigned int result = 0;
1572 unsigned short saved;
1573
1574 if (ac97->bus->no_vra) {
1575 *r_result = SNDRV_PCM_RATE_48000;
1576 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1577 reg == AC97_PCM_FRONT_DAC_RATE)
1578 *r_result |= SNDRV_PCM_RATE_96000;
1579 return;
1580 }
1581
1582 saved = snd_ac97_read(ac97, reg);
1583 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1584 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1585 AC97_EA_DRA, 0);
1586 /* test a non-standard rate */
1587 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1588 result |= SNDRV_PCM_RATE_CONTINUOUS;
1589 /* let's try to obtain standard rates */
1590 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1591 result |= SNDRV_PCM_RATE_8000;
1592 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1593 result |= SNDRV_PCM_RATE_11025;
1594 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1595 result |= SNDRV_PCM_RATE_16000;
1596 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1597 result |= SNDRV_PCM_RATE_22050;
1598 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1599 result |= SNDRV_PCM_RATE_32000;
1600 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1601 result |= SNDRV_PCM_RATE_44100;
1602 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1603 result |= SNDRV_PCM_RATE_48000;
1604 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1605 reg == AC97_PCM_FRONT_DAC_RATE) {
1606 /* test standard double rates */
1607 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1608 AC97_EA_DRA, AC97_EA_DRA);
1609 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1610 result |= SNDRV_PCM_RATE_64000;
1611 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1612 result |= SNDRV_PCM_RATE_88200;
1613 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1614 result |= SNDRV_PCM_RATE_96000;
1615 /* some codecs don't support variable double rates */
1616 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1617 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1618 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1619 AC97_EA_DRA, 0);
1620 }
1621 /* restore the default value */
1622 snd_ac97_write_cache(ac97, reg, saved);
1623 if (shadow_reg)
1624 snd_ac97_write_cache(ac97, shadow_reg, saved);
1625 *r_result = result;
1626}
1627
1628/* check AC97_SPDIF register to accept which sample rates */
1629static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97)
1630{
1631 unsigned int result = 0;
1632 int i;
1633 static unsigned short ctl_bits[] = {
1634 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1635 };
1636 static unsigned int rate_bits[] = {
1637 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1638 };
1639
1640 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1641 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1642 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1643 result |= rate_bits[i];
1644 }
1645 return result;
1646}
1647
1648/* look for the codec id table matching with the given id */
1649static const ac97_codec_id_t *look_for_codec_id(const ac97_codec_id_t *table,
1650 unsigned int id)
1651{
1652 const ac97_codec_id_t *pid;
1653
1654 for (pid = table; pid->id; pid++)
1655 if (pid->id == (id & pid->mask))
1656 return pid;
1657 return NULL;
1658}
1659
1660void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem)
1661{
1662 const ac97_codec_id_t *pid;
1663
1664 sprintf(name, "0x%x %c%c%c", id,
1665 printable(id >> 24),
1666 printable(id >> 16),
1667 printable(id >> 8));
1668 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1669 if (! pid)
1670 return;
1671
1672 strcpy(name, pid->name);
1673 if (ac97 && pid->patch) {
1674 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1675 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1676 pid->patch(ac97);
1677 }
1678
1679 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1680 if (pid) {
1681 strcat(name, " ");
1682 strcat(name, pid->name);
1683 if (pid->mask != 0xffffffff)
1684 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1685 if (ac97 && pid->patch) {
1686 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1687 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1688 pid->patch(ac97);
1689 }
1690 } else
1691 sprintf(name + strlen(name), " id %x", id & 0xff);
1692}
1693
1694/**
1695 * snd_ac97_get_short_name - retrieve codec name
1696 * @ac97: the codec instance
1697 *
1698 * Returns the short identifying name of the codec.
1699 */
1700const char *snd_ac97_get_short_name(ac97_t *ac97)
1701{
1702 const ac97_codec_id_t *pid;
1703
1704 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1705 if (pid->id == (ac97->id & pid->mask))
1706 return pid->name;
1707 return "unknown codec";
1708}
1709
1710
1711/* wait for a while until registers are accessible after RESET
1712 * return 0 if ok, negative not ready
1713 */
1714static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
1715{
1716 unsigned long end_time;
1717 unsigned short val;
1718
1719 end_time = jiffies + timeout;
1720 do {
1721
1722 /* use preliminary reads to settle the communication */
1723 snd_ac97_read(ac97, AC97_RESET);
1724 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1725 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1726 /* modem? */
1727 if (with_modem) {
1728 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1729 if (val != 0xffff && (val & 1) != 0)
1730 return 0;
1731 }
1732 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1733 /* probably only Xbox issue - all registers are read as zero */
1734 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1735 if (val != 0 && val != 0xffff)
1736 return 0;
1737 } else {
1738 /* because the PCM or MASTER volume registers can be modified,
1739 * the REC_GAIN register is used for tests
1740 */
1741 /* test if we can write to the record gain volume register */
1742 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1743 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1744 return 0;
1745 }
1746 set_current_state(TASK_UNINTERRUPTIBLE);
1747 schedule_timeout(1);
1748 } while (time_after_eq(end_time, jiffies));
1749 return -ENODEV;
1750}
1751
1752/**
1753 * snd_ac97_bus - create an AC97 bus component
1754 * @card: the card instance
1755 * @num: the bus number
1756 * @ops: the bus callbacks table
1757 * @private_data: private data pointer for the new instance
1758 * @rbus: the pointer to store the new AC97 bus instance.
1759 *
1760 * Creates an AC97 bus component. An ac97_bus_t instance is newly
1761 * allocated and initialized.
1762 *
1763 * The ops table must include valid callbacks (at least read and
1764 * write). The other callbacks, wait and reset, are not mandatory.
1765 *
1766 * The clock is set to 48000. If another clock is needed, set
1767 * (*rbus)->clock manually.
1768 *
1769 * The AC97 bus instance is registered as a low-level device, so you don't
1770 * have to release it manually.
1771 *
1772 * Returns zero if successful, or a negative error code on failure.
1773 */
1774int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
1775 void *private_data, ac97_bus_t **rbus)
1776{
1777 int err;
1778 ac97_bus_t *bus;
1779 static snd_device_ops_t dev_ops = {
1780 .dev_free = snd_ac97_bus_dev_free,
1781 };
1782
1783 snd_assert(card != NULL, return -EINVAL);
1784 snd_assert(rbus != NULL, return -EINVAL);
1785 bus = kcalloc(1, sizeof(*bus), GFP_KERNEL);
1786 if (bus == NULL)
1787 return -ENOMEM;
1788 bus->card = card;
1789 bus->num = num;
1790 bus->ops = ops;
1791 bus->private_data = private_data;
1792 bus->clock = 48000;
1793 spin_lock_init(&bus->bus_lock);
1794 snd_ac97_bus_proc_init(bus);
1795 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1796 snd_ac97_bus_free(bus);
1797 return err;
1798 }
1799 *rbus = bus;
1800 return 0;
1801}
1802
1803/* build_ops to do nothing */
1804static struct snd_ac97_build_ops null_build_ops;
1805
1806/**
1807 * snd_ac97_mixer - create an Codec97 component
1808 * @bus: the AC97 bus which codec is attached to
1809 * @template: the template of ac97, including index, callbacks and
1810 * the private data.
1811 * @rac97: the pointer to store the new ac97 instance.
1812 *
1813 * Creates an Codec97 component. An ac97_t instance is newly
1814 * allocated and initialized from the template. The codec
1815 * is then initialized by the standard procedure.
1816 *
1817 * The template must include the codec number (num) and address (addr),
1818 * and the private data (private_data).
1819 *
1820 * The ac97 instance is registered as a low-level device, so you don't
1821 * have to release it manually.
1822 *
1823 * Returns zero if successful, or a negative error code on failure.
1824 */
1825int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
1826{
1827 int err;
1828 ac97_t *ac97;
1829 snd_card_t *card;
1830 char name[64];
1831 unsigned long end_time;
1832 unsigned int reg;
1833 const ac97_codec_id_t *pid;
1834 static snd_device_ops_t ops = {
1835 .dev_free = snd_ac97_dev_free,
1836 };
1837
1838 snd_assert(rac97 != NULL, return -EINVAL);
1839 *rac97 = NULL;
1840 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1841 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1842
1843 snd_assert(bus->shared_type <= AC97_SHARED_TYPES, return -EINVAL);
1844 if (bus->shared_type) {
1845 /* already shared? */
1846 down(&shared_codec_mutex);
1847 ac97 = shared_codec[bus->shared_type-1][template->num];
1848 if (ac97) {
1849 if ((ac97_is_audio(ac97) && (template->scaps & AC97_SCAP_SKIP_AUDIO)) ||
1850 (ac97_is_modem(ac97) && (template->scaps & AC97_SCAP_SKIP_MODEM))) {
1851 up(&shared_codec_mutex);
1852 return -EACCES; /* skip this */
1853 }
1854 }
1855 up(&shared_codec_mutex);
1856 }
1857
1858 card = bus->card;
1859 ac97 = kcalloc(1, sizeof(*ac97), GFP_KERNEL);
1860 if (ac97 == NULL)
1861 return -ENOMEM;
1862 ac97->private_data = template->private_data;
1863 ac97->private_free = template->private_free;
1864 ac97->bus = bus;
1865 ac97->pci = template->pci;
1866 ac97->num = template->num;
1867 ac97->addr = template->addr;
1868 ac97->scaps = template->scaps;
1869 ac97->limited_regs = template->limited_regs;
1870 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1871 bus->codec[ac97->num] = ac97;
1872 init_MUTEX(&ac97->reg_mutex);
1873 init_MUTEX(&ac97->page_mutex);
1874
1875 if (ac97->pci) {
1876 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1877 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1878 }
1879 if (bus->ops->reset) {
1880 bus->ops->reset(ac97);
1881 goto __access_ok;
1882 }
1883
1884 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1885 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1886 if (ac97->id && ac97->id != (unsigned int)-1) {
1887 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1888 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1889 goto __access_ok;
1890 }
1891
23fea4da
SK		 1892 /* reset to defaults */
1893 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1894 snd_ac97_write(ac97, AC97_RESET, 0);
1895 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1896 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 1897 if (bus->ops->wait)
1898 bus->ops->wait(ac97);
1899 else {
1900 udelay(50);
1901 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1902 err = ac97_reset_wait(ac97, HZ/2, 1);
1903 else {
1904 err = ac97_reset_wait(ac97, HZ/2, 0);
1905 if (err < 0)
1906 err = ac97_reset_wait(ac97, HZ/2, 1);
1907 }
1908 if (err < 0) {
1909 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1910 /* proceed anyway - it's often non-critical */
1911 }
1912 }
1913 __access_ok:
1914 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1915 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1916 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1917 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1918 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1919 snd_ac97_free(ac97);
1920 return -EIO;
1921 }
1922 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1923 if (pid)
1924 ac97->flags |= pid->flags;
1925
1926 /* test for AC'97 */
1927 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1928 /* test if we can write to the record gain volume register */
1929 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1930 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1931 ac97->scaps |= AC97_SCAP_AUDIO;
1932 }
1933 if (ac97->scaps & AC97_SCAP_AUDIO) {
1934 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1935 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1936 if (ac97->ext_id == 0xffff) /* invalid combination */
1937 ac97->ext_id = 0;
1938 }
1939
1940 /* test for MC'97 */
1941 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1942 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1943 if (ac97->ext_mid == 0xffff) /* invalid combination */
1944 ac97->ext_mid = 0;
1945 if (ac97->ext_mid & 1)
1946 ac97->scaps |= AC97_SCAP_MODEM;
1947 }
1948
1949 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1950 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1951 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1952 snd_ac97_free(ac97);
1953 return -EACCES;
1954 }
1955
1956 if (bus->ops->reset) // FIXME: always skipping?
1957 goto __ready_ok;
1958
1959 /* FIXME: add powerdown control */
1960 if (ac97_is_audio(ac97)) {
1961 /* nothing should be in powerdown mode */
1962 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1963 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1964 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1965 udelay(100);
1966 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1967 }
1968 /* nothing should be in powerdown mode */
1969 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1970 end_time = jiffies + (HZ / 10);
1971 do {
1972 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1973 goto __ready_ok;
1974 set_current_state(TASK_UNINTERRUPTIBLE);
1975 schedule_timeout(1);
1976 } while (time_after_eq(end_time, jiffies));
1977 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1978 }
1979
1980 /* FIXME: add powerdown control */
1981 if (ac97_is_modem(ac97)) {
1982 unsigned char tmp;
1983
1984 /* nothing should be in powerdown mode */
1985 /* note: it's important to set the rate at first */
1986 tmp = AC97_MEA_GPIO;
1987 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 1988 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 1989 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
1990 }
1991 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 1992 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 1993 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
1994 }
1995 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 1996 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 1997 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
1998 }
8e8311b0 1999 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2000 udelay(100);
2001 /* nothing should be in powerdown mode */
8e8311b0 2002 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2003 end_time = jiffies + (HZ / 10);
2004 do {
2005 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2006 goto __ready_ok;
2007 set_current_state(TASK_UNINTERRUPTIBLE);
2008 schedule_timeout(1);
2009 } while (time_after_eq(end_time, jiffies));
2010 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2011 }
2012
2013 __ready_ok:
2014 if (ac97_is_audio(ac97))
2015 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2016 else
2017 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2018 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2019 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2020 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2021 if (! bus->no_vra)
2022 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2023 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2024 }
2025 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2026 /* Intel controllers require double rate data to be put in
2027 * slots 7+8, so let's hope the codec supports it. */
2028 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2029 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2030 ac97->flags |= AC97_DOUBLE_RATE;
2031 }
2032 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2033 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2034 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2035 } else {
2036 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2037 if (ac97->flags & AC97_DOUBLE_RATE)
2038 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2039 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2040 }
2041 if (ac97->ext_id & AC97_EI_SPDIF) {
2042 /* codec specific code (patch) should override these values */
2043 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2044 }
2045 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2046 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2047 } else {
2048 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2049 }
2050 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2051 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2052 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2053 }
2054 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2055 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2056 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2057 }
2058 /* additional initializations */
2059 if (bus->ops->init)
2060 bus->ops->init(ac97);
2061 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2062 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2063 if (! ac97->build_ops)
2064 ac97->build_ops = &null_build_ops;
2065
2066 if (ac97_is_audio(ac97)) {
2067 char comp[16];
2068 if (card->mixername[0] == '\0') {
2069 strcpy(card->mixername, name);
2070 } else {
2071 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2072 strcat(card->mixername, ",");
2073 strcat(card->mixername, name);
2074 }
2075 }
2076 sprintf(comp, "AC97a:%08x", ac97->id);
2077 if ((err = snd_component_add(card, comp)) < 0) {
2078 snd_ac97_free(ac97);
2079 return err;
2080 }
2081 if (snd_ac97_mixer_build(ac97) < 0) {
2082 snd_ac97_free(ac97);
2083 return -ENOMEM;
2084 }
2085 }
2086 if (ac97_is_modem(ac97)) {
2087 char comp[16];
2088 if (card->mixername[0] == '\0') {
2089 strcpy(card->mixername, name);
2090 } else {
2091 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2092 strcat(card->mixername, ",");
2093 strcat(card->mixername, name);
2094 }
2095 }
2096 sprintf(comp, "AC97m:%08x", ac97->id);
2097 if ((err = snd_component_add(card, comp)) < 0) {
2098 snd_ac97_free(ac97);
2099 return err;
2100 }
2101 if (snd_ac97_modem_build(card, ac97) < 0) {
2102 snd_ac97_free(ac97);
2103 return -ENOMEM;
2104 }
2105 }
2106 /* make sure the proper powerdown bits are cleared */
2107 if (ac97->scaps) {
2108 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2109 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2110 reg &= ~AC97_EA_PRJ;
2111 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2112 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2113 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2114 }
2115 snd_ac97_proc_init(ac97);
2116 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2117 snd_ac97_free(ac97);
2118 return err;
2119 }
2120 *rac97 = ac97;
2121
2122 if (bus->shared_type) {
2123 down(&shared_codec_mutex);
2124 shared_codec[bus->shared_type-1][ac97->num] = ac97;
2125 up(&shared_codec_mutex);
2126 }
2127
2128 return 0;
2129}
2130
2131
2132/*
2133 * Power down the chip.
2134 *
2135 * MASTER and HEADPHONE registers are muted but the register cache values
2136 * are not changed, so that the values can be restored in snd_ac97_resume().
2137 */
2138static void snd_ac97_powerdown(ac97_t *ac97)
2139{
2140 unsigned short power;
2141
2142 if (ac97_is_audio(ac97)) {
2143 /* some codecs have stereo mute bits */
2144 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2145 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2146 }
2147
2148 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2149 power |= 0x4000; /* Headphone amplifier powerdown */
2150 power |= 0x0300; /* ADC & DAC powerdown */
2151 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2152 udelay(100);
2153 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2154 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2155 udelay(100);
2156#if 0
2157 /* FIXME: this causes click noises on some boards at resume */
2158 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2159 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2160#endif
2161}
2162
2163
2164#ifdef CONFIG_PM
2165/**
2166 * snd_ac97_suspend - General suspend function for AC97 codec
2167 * @ac97: the ac97 instance
2168 *
2169 * Suspends the codec, power down the chip.
2170 */
2171void snd_ac97_suspend(ac97_t *ac97)
2172{
2173 if (ac97->build_ops->suspend)
2174 ac97->build_ops->suspend(ac97);
2175 snd_ac97_powerdown(ac97);
2176}
2177
2178/*
2179 * restore ac97 status
2180 */
2181void snd_ac97_restore_status(ac97_t *ac97)
2182{
2183 int i;
2184
2185 for (i = 2; i < 0x7c ; i += 2) {
2186 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2187 continue;
2188 /* restore only accessible registers
2189 * some chip (e.g. nm256) may hang up when unsupported registers
2190 * are accessed..!
2191 */
2192 if (test_bit(i, ac97->reg_accessed)) {
2193 snd_ac97_write(ac97, i, ac97->regs[i]);
2194 snd_ac97_read(ac97, i);
2195 }
2196 }
2197}
2198
2199/*
2200 * restore IEC958 status
2201 */
2202void snd_ac97_restore_iec958(ac97_t *ac97)
2203{
2204 if (ac97->ext_id & AC97_EI_SPDIF) {
2205 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2206 /* reset spdif status */
2207 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2208 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2209 if (ac97->flags & AC97_CS_SPDIF)
2210 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2211 else
2212 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2213 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2214 }
2215 }
2216}
2217
2218/**
2219 * snd_ac97_resume - General resume function for AC97 codec
2220 * @ac97: the ac97 instance
2221 *
2222 * Do the standard resume procedure, power up and restoring the
2223 * old register values.
2224 */
2225void snd_ac97_resume(ac97_t *ac97)
2226{
2227 int i;
2228
2229 if (ac97->bus->ops->reset) {
2230 ac97->bus->ops->reset(ac97);
2231 goto __reset_ready;
2232 }
2233
2234 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2235 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2236 snd_ac97_write(ac97, AC97_RESET, 0);
2237 udelay(100);
2238 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2239 }
2240 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2241
2242 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2243 if (ac97_is_audio(ac97)) {
2244 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2245 for (i = HZ/10; i >= 0; i--) {
2246 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2247 break;
2248 set_current_state(TASK_UNINTERRUPTIBLE);
2249 schedule_timeout(1);
2250 }
2251 /* FIXME: extra delay */
2252 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2253 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) {
2254 set_current_state(TASK_UNINTERRUPTIBLE);
2255 schedule_timeout(HZ/4);
2256 }
2257 } else {
2258 for (i = HZ/10; i >= 0; i--) {
2259 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2260 if (val != 0xffff && (val & 1) != 0)
2261 break;
2262 set_current_state(TASK_UNINTERRUPTIBLE);
2263 schedule_timeout(1);
2264 }
2265 }
2266__reset_ready:
2267
2268 if (ac97->bus->ops->init)
2269 ac97->bus->ops->init(ac97);
2270
2271 if (ac97->build_ops->resume)
2272 ac97->build_ops->resume(ac97);
2273 else {
2274 snd_ac97_restore_status(ac97);
2275 snd_ac97_restore_iec958(ac97);
2276 }
2277}
2278#endif
2279
2280
2281/*
2282 * Hardware tuning
2283 */
2284static void set_ctl_name(char *dst, const char *src, const char *suffix)
2285{
2286 if (suffix)
2287 sprintf(dst, "%s %s", src, suffix);
2288 else
2289 strcpy(dst, src);
2290}
2291
2292/* remove the control with the given name and optional suffix */
2293int snd_ac97_remove_ctl(ac97_t *ac97, const char *name, const char *suffix)
2294{
2295 snd_ctl_elem_id_t id;
2296 memset(&id, 0, sizeof(id));
2297 set_ctl_name(id.name, name, suffix);
2298 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2299 return snd_ctl_remove_id(ac97->bus->card, &id);
2300}
2301
2302static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name, const char *suffix)
2303{
2304 snd_ctl_elem_id_t sid;
2305 memset(&sid, 0, sizeof(sid));
2306 set_ctl_name(sid.name, name, suffix);
2307 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2308 return snd_ctl_find_id(ac97->bus->card, &sid);
2309}
2310
2311/* rename the control with the given name and optional suffix */
2312int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const char *suffix)
2313{
2314 snd_kcontrol_t *kctl = ctl_find(ac97, src, suffix);
2315 if (kctl) {
2316 set_ctl_name(kctl->id.name, dst, suffix);
2317 return 0;
2318 }
2319 return -ENOENT;
2320}
2321
2322/* rename both Volume and Switch controls - don't check the return value */
2323void snd_ac97_rename_vol_ctl(ac97_t *ac97, const char *src, const char *dst)
2324{
2325 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2326 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2327}
2328
2329/* swap controls */
2330int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *suffix)
2331{
2332 snd_kcontrol_t *kctl1, *kctl2;
2333 kctl1 = ctl_find(ac97, s1, suffix);
2334 kctl2 = ctl_find(ac97, s2, suffix);
2335 if (kctl1 && kctl2) {
2336 set_ctl_name(kctl1->id.name, s2, suffix);
2337 set_ctl_name(kctl2->id.name, s1, suffix);
2338 return 0;
2339 }
2340 return -ENOENT;
2341}
2342
2343#if 1
2344/* bind hp and master controls instead of using only hp control */
2345static int bind_hp_volsw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2346{
2347 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2348 if (err > 0) {
2349 unsigned long priv_saved = kcontrol->private_value;
2350 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2351 snd_ac97_put_volsw(kcontrol, ucontrol);
2352 kcontrol->private_value = priv_saved;
2353 }
2354 return err;
2355}
2356
2357/* ac97 tune: bind Master and Headphone controls */
2358static int tune_hp_only(ac97_t *ac97)
2359{
2360 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2361 snd_kcontrol_t *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2362 if (! msw || ! mvol)
2363 return -ENOENT;
2364 msw->put = bind_hp_volsw_put;
2365 mvol->put = bind_hp_volsw_put;
2366 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2367 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2368 return 0;
2369}
2370
2371#else
2372/* ac97 tune: use Headphone control as master */
2373static int tune_hp_only(ac97_t *ac97)
2374{
2375 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2376 return -ENOENT;
2377 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2378 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2379 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2380 return 0;
2381}
2382#endif
2383
2384/* ac97 tune: swap Headphone and Master controls */
2385static int tune_swap_hp(ac97_t *ac97)
2386{
2387 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2388 return -ENOENT;
2389 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2390 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2391 return 0;
2392}
2393
2394/* ac97 tune: swap Surround and Master controls */
2395static int tune_swap_surround(ac97_t *ac97)
2396{
2397 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2398 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2399 return -ENOENT;
2400 return 0;
2401}
2402
2403/* ac97 tune: set up mic sharing for AD codecs */
2404static int tune_ad_sharing(ac97_t *ac97)
2405{
2406 unsigned short scfg;
2407 if ((ac97->id & 0xffffff00) != 0x41445300) {
2408 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2409 return -EINVAL;
2410 }
2411 /* Turn on OMS bit to route microphone to back panel */
2412 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2413 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2414 return 0;
2415}
2416
2417static const snd_kcontrol_new_t snd_ac97_alc_jack_detect =
2418AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2419
2420/* ac97 tune: set up ALC jack-select */
2421static int tune_alc_jack(ac97_t *ac97)
2422{
2423 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2424 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2425 return -EINVAL;
2426 }
2427 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2428 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2429 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2430}
2431
2432/* ac97 tune: inversed EAPD bit */
2433static int tune_inv_eapd(ac97_t *ac97)
2434{
2435 snd_kcontrol_t *kctl = ctl_find(ac97, "External Amplifier", NULL);
2436 if (! kctl)
2437 return -ENOENT;
2438 set_inv_eapd(ac97, kctl);
2439 return 0;
2440}
2441
2442static int master_mute_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2443{
2444 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2445 if (err > 0) {
2446 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
2447 int shift = (kcontrol->private_value >> 8) & 0x0f;
2448 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2449 unsigned short mask;
2450 if (shift != rshift)
2451 mask = 0x8080;
2452 else
2453 mask = 0x8000;
2454 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2455 (ac97->regs[AC97_MASTER] & mask) == mask ?
2456 0x8000 : 0);
2457 }
2458 return err;
2459}
2460
2461/* ac97 tune: EAPD controls mute LED bound with the master mute */
2462static int tune_mute_led(ac97_t *ac97)
2463{
2464 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2465 if (! msw)
2466 return -ENOENT;
2467 msw->put = master_mute_sw_put;
2468 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2469 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2470 return 0;
2471}
2472
2473struct quirk_table {
2474 const char *name;
2475 int (*func)(ac97_t *);
2476};
2477
2478static struct quirk_table applicable_quirks[] = {
2479 { "none", NULL },
2480 { "hp_only", tune_hp_only },
2481 { "swap_hp", tune_swap_hp },
2482 { "swap_surround", tune_swap_surround },
2483 { "ad_sharing", tune_ad_sharing },
2484 { "alc_jack", tune_alc_jack },
2485 { "inv_eapd", tune_inv_eapd },
2486 { "mute_led", tune_mute_led },
2487};
2488
2489/* apply the quirk with the given type */
2490static int apply_quirk(ac97_t *ac97, int type)
2491{
2492 if (type <= 0)
2493 return 0;
2494 else if (type >= ARRAY_SIZE(applicable_quirks))
2495 return -EINVAL;
2496 if (applicable_quirks[type].func)
2497 return applicable_quirks[type].func(ac97);
2498 return 0;
2499}
2500
2501/* apply the quirk with the given name */
2502static int apply_quirk_str(ac97_t *ac97, const char *typestr)
2503{
2504 int i;
2505 struct quirk_table *q;
2506
2507 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2508 q = &applicable_quirks[i];
2509 if (q->name && ! strcmp(typestr, q->name))
2510 return apply_quirk(ac97, i);
2511 }
2512 /* for compatibility, accept the numbers, too */
2513 if (*typestr >= '0' && *typestr <= '9')
2514 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2515 return -EINVAL;
2516}
2517
2518/**
2519 * snd_ac97_tune_hardware - tune up the hardware
2520 * @ac97: the ac97 instance
2521 * @quirk: quirk list
2522 * @override: explicit quirk value (overrides the list if non-NULL)
2523 *
2524 * Do some workaround for each pci device, such as renaming of the
2525 * headphone (true line-out) control as "Master".
2526 * The quirk-list must be terminated with a zero-filled entry.
2527 *
2528 * Returns zero if successful, or a negative error code on failure.
2529 */
2530
2531int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override)
2532{
2533 int result;
2534
2535 snd_assert(quirk, return -EINVAL);
2536
2537 /* quirk overriden? */
2538 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2539 result = apply_quirk_str(ac97, override);
2540 if (result < 0)
2541 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2542 return result;
2543 }
2544
2545 for (; quirk->vendor; quirk++) {
2546 if (quirk->vendor != ac97->subsystem_vendor)
2547 continue;
2548 if ((! quirk->mask && quirk->device == ac97->subsystem_device) ||
2549 quirk->device == (quirk->mask & ac97->subsystem_device)) {
2550 if (quirk->codec_id && quirk->codec_id != ac97->id)
2551 continue;
2552 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2553 result = apply_quirk(ac97, quirk->type);
2554 if (result < 0)
2555 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2556 return result;
2557 }
2558 }
2559 return 0;
2560}
2561
2562
2563/*
2564 * Exported symbols
2565 */
2566
2567EXPORT_SYMBOL(snd_ac97_write);
2568EXPORT_SYMBOL(snd_ac97_read);
2569EXPORT_SYMBOL(snd_ac97_write_cache);
2570EXPORT_SYMBOL(snd_ac97_update);
2571EXPORT_SYMBOL(snd_ac97_update_bits);
2572EXPORT_SYMBOL(snd_ac97_get_short_name);
2573EXPORT_SYMBOL(snd_ac97_bus);
2574EXPORT_SYMBOL(snd_ac97_mixer);
2575EXPORT_SYMBOL(snd_ac97_pcm_assign);
2576EXPORT_SYMBOL(snd_ac97_pcm_open);
2577EXPORT_SYMBOL(snd_ac97_pcm_close);
2578EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2579EXPORT_SYMBOL(snd_ac97_tune_hardware);
2580EXPORT_SYMBOL(snd_ac97_set_rate);
2581#ifdef CONFIG_PM
2582EXPORT_SYMBOL(snd_ac97_resume);
2583EXPORT_SYMBOL(snd_ac97_suspend);
2584#endif
2585
2586/*
2587 * INIT part
2588 */
2589
2590static int __init alsa_ac97_init(void)
2591{
2592 return 0;
2593}
2594
2595static void __exit alsa_ac97_exit(void)
2596{
2597}
2598
2599module_init(alsa_ac97_init)
2600module_exit(alsa_ac97_exit)
Linux kernel - Deliverables
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