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[ALSA] usb-audio - remove superfluous parameter
[net-next-2.6.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 },
153{ 0x53494c20, 0xffffffe0, "Si3036,8", NULL, mpatch_si3036 },
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
5f0dccf8
TI		 468 for (bitmask = 1; bitmask > e->mask; bitmask <<= 1)
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
5f0dccf8
TI		 485 for (bitmask = 1; bitmask > e->mask; bitmask <<= 1)
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
669/* change the existing EAPD control as inverted */
670static void set_inv_eapd(ac97_t *ac97, snd_kcontrol_t *kctl)
671{
672 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
673 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
674 ac97->scaps |= AC97_SCAP_INV_EAPD;
675}
676
677static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
678{
679 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
680 uinfo->count = 1;
681 return 0;
682}
683
684static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
685{
686 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
687 IEC958_AES0_NONAUDIO |
688 IEC958_AES0_CON_EMPHASIS_5015 |
689 IEC958_AES0_CON_NOT_COPYRIGHT;
690 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
691 IEC958_AES1_CON_ORIGINAL;
692 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
693 return 0;
694}
695
696static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
697{
698 /* FIXME: AC'97 spec doesn't say which bits are used for what */
699 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
700 IEC958_AES0_NONAUDIO |
701 IEC958_AES0_PRO_FS |
702 IEC958_AES0_PRO_EMPHASIS_5015;
703 return 0;
704}
705
706static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
707{
708 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
709
710 down(&ac97->reg_mutex);
711 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
712 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
713 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
714 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
715 up(&ac97->reg_mutex);
716 return 0;
717}
718
719static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
720{
721 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
722 unsigned int new = 0;
723 unsigned short val = 0;
724 int change;
725
726 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
727 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
728 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
729 switch (new & IEC958_AES0_PRO_FS) {
730 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
731 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
732 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
733 default: val |= 1<<12; break;
734 }
735 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
736 val |= 1<<3;
737 } else {
738 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
739 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
740 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
741 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
742 val |= 1<<3;
743 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
744 val |= 1<<2;
745 val |= ((new >> 8) & 0xff) << 4; // category + original
746 switch ((new >> 24) & 0xff) {
747 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
748 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
749 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
750 default: val |= 1<<12; break;
751 }
752 }
753
754 down(&ac97->reg_mutex);
755 change = ac97->spdif_status != new;
756 ac97->spdif_status = new;
757
758 if (ac97->flags & AC97_CS_SPDIF) {
759 int x = (val >> 12) & 0x03;
760 switch (x) {
761 case 0: x = 1; break; // 44.1
762 case 2: x = 0; break; // 48.0
763 default: x = 0; break; // illegal.
764 }
765 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
766 } else if (ac97->flags & AC97_CX_SPDIF) {
767 int v;
768 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
769 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
770 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
771 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
772 v);
773 } else {
774 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
775 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
776
777 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
778 if (extst & AC97_EA_SPDIF) {
779 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
780 }
781 }
782 up(&ac97->reg_mutex);
783
784 return change;
785}
786
787static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
788{
789 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
790 int reg = kcontrol->private_value & 0xff;
791 int shift = (kcontrol->private_value >> 8) & 0xff;
792 int mask = (kcontrol->private_value >> 16) & 0xff;
793 // int invert = (kcontrol->private_value >> 24) & 0xff;
794 unsigned short value, old, new;
795 int change;
796
797 value = (ucontrol->value.integer.value[0] & mask);
798
799 down(&ac97->reg_mutex);
800 mask <<= shift;
801 value <<= shift;
802 old = snd_ac97_read_cache(ac97, reg);
803 new = (old & ~mask) | value;
804 change = old != new;
805
806 if (change) {
807 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
808 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
809 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
810 if (extst & AC97_EA_SPDIF)
811 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
812 }
813 up(&ac97->reg_mutex);
814 return change;
815}
816
817const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = {
818 {
819 .access = SNDRV_CTL_ELEM_ACCESS_READ,
820 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
821 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
822 .info = snd_ac97_spdif_mask_info,
823 .get = snd_ac97_spdif_cmask_get,
824 },
825 {
826 .access = SNDRV_CTL_ELEM_ACCESS_READ,
827 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
828 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
829 .info = snd_ac97_spdif_mask_info,
830 .get = snd_ac97_spdif_pmask_get,
831 },
832 {
833 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
834 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
835 .info = snd_ac97_spdif_mask_info,
836 .get = snd_ac97_spdif_default_get,
837 .put = snd_ac97_spdif_default_put,
838 },
839
840 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
841 {
842 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
843 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
844 .info = snd_ac97_info_volsw,
845 .get = snd_ac97_get_volsw,
846 .put = snd_ac97_put_spsa,
847 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
848 },
849};
850
851#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
852{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
853 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
854 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
855
856static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
857{
858 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
859 int mask = (kcontrol->private_value >> 16) & 0x0f;
860 int lshift = (kcontrol->private_value >> 8) & 0x0f;
861 int rshift = (kcontrol->private_value >> 12) & 0x0f;
862
863 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
864 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
865 uinfo->count = 2;
866 else
867 uinfo->count = 1;
868 uinfo->value.integer.min = 0;
869 uinfo->value.integer.max = mask;
870 return 0;
871}
872
873static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
874{
875 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
876 int codec = kcontrol->private_value & 3;
877 int lshift = (kcontrol->private_value >> 8) & 0x0f;
878 int rshift = (kcontrol->private_value >> 12) & 0x0f;
879 int mask = (kcontrol->private_value >> 16) & 0xff;
880
881 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
882 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
883 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
884 return 0;
885}
886
887static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
888{
889 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
890 int codec = kcontrol->private_value & 3;
891 int lshift = (kcontrol->private_value >> 8) & 0x0f;
892 int rshift = (kcontrol->private_value >> 12) & 0x0f;
893 int mask = (kcontrol->private_value >> 16) & 0xff;
894 unsigned short val, valmask;
895
896 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
897 valmask = mask << lshift;
898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
899 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
900 valmask |= mask << rshift;
901 }
902 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
903}
904
905#define AD18XX_PCM_VOLUME(xname, codec) \
906{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
907 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
908 .private_value = codec }
909
910static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
911{
912 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
913 uinfo->count = 2;
914 uinfo->value.integer.min = 0;
915 uinfo->value.integer.max = 31;
916 return 0;
917}
918
919static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
920{
921 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
922 int codec = kcontrol->private_value & 3;
923
924 down(&ac97->page_mutex);
925 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
926 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
927 up(&ac97->page_mutex);
928 return 0;
929}
930
931static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
932{
933 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
934 int codec = kcontrol->private_value & 3;
935 unsigned short val1, val2;
936
937 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
938 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
939 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
940}
941
942static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = {
943AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
944AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
945};
946
947static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = {
948AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
949AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
950};
951
952static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = {
953AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
954AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
955};
956
957static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = {
958AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
959AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
960};
961
962/*
963 *
964 */
965
966static void snd_ac97_powerdown(ac97_t *ac97);
967
968static int snd_ac97_bus_free(ac97_bus_t *bus)
969{
970 if (bus) {
971 snd_ac97_bus_proc_done(bus);
972 kfree(bus->pcms);
973 if (bus->private_free)
974 bus->private_free(bus);
975 kfree(bus);
976 }
977 return 0;
978}
979
980static int snd_ac97_bus_dev_free(snd_device_t *device)
981{
982 ac97_bus_t *bus = device->device_data;
983 return snd_ac97_bus_free(bus);
984}
985
986static int snd_ac97_free(ac97_t *ac97)
987{
988 if (ac97) {
989 snd_ac97_proc_done(ac97);
990 if (ac97->bus) {
991 ac97->bus->codec[ac97->num] = NULL;
992 if (ac97->bus->shared_type) {
993 down(&shared_codec_mutex);
994 shared_codec[ac97->bus->shared_type-1][ac97->num] = NULL;
995 up(&shared_codec_mutex);
996 }
997 }
998 if (ac97->private_free)
999 ac97->private_free(ac97);
1000 kfree(ac97);
1001 }
1002 return 0;
1003}
1004
1005static int snd_ac97_dev_free(snd_device_t *device)
1006{
1007 ac97_t *ac97 = device->device_data;
1008 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1009 return snd_ac97_free(ac97);
1010}
1011
1012static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg)
1013{
1014 unsigned short val, mask = 0x8000;
1015
1016 if (! snd_ac97_valid_reg(ac97, reg))
1017 return 0;
1018
1019 switch (reg) {
1020 case AC97_MASTER_TONE:
1021 return ac97->caps & 0x04 ? 1 : 0;
1022 case AC97_HEADPHONE:
1023 return ac97->caps & 0x10 ? 1 : 0;
1024 case AC97_REC_GAIN_MIC:
1025 return ac97->caps & 0x01 ? 1 : 0;
1026 case AC97_3D_CONTROL:
1027 if (ac97->caps & 0x7c00) {
1028 val = snd_ac97_read(ac97, reg);
1029 /* if nonzero - fixed and we can't set it */
1030 return val == 0;
1031 }
1032 return 0;
1033 case AC97_CENTER_LFE_MASTER: /* center */
1034 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1035 return 0;
1036 break;
1037 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1038 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1039 return 0;
1040 reg = AC97_CENTER_LFE_MASTER;
1041 mask = 0x0080;
1042 break;
1043 case AC97_SURROUND_MASTER:
1044 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1045 return 0;
1046 break;
1047 }
1048
1049 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1050 return 1; /* allow without check */
1051
1052 val = snd_ac97_read(ac97, reg);
1053 if (!(val & mask)) {
1054 /* nothing seems to be here - mute flag is not set */
1055 /* try another test */
1056 snd_ac97_write_cache(ac97, reg, val | mask);
1057 val = snd_ac97_read(ac97, reg);
1058 if (!(val & mask))
1059 return 0; /* nothing here */
1060 }
1061 return 1; /* success, useable */
1062}
1063
1064static void check_volume_resolution(ac97_t *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1065{
1066 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1067 unsigned char max[3] = { 63, 31, 15 };
1068 int i;
1069
1070 *lo_max = *hi_max = 0;
1071 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1072 unsigned short val;
1073 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1074 val = snd_ac97_read(ac97, reg);
a2142674 1075 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1076 *lo_max = max[i];
a2142674 1077 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1078 *hi_max = max[i];
1079 if (*lo_max && *hi_max)
1080 break;
1081 }
1082}
1083
1084int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit)
1085{
1086 unsigned short mask, val, orig, res;
1087
1088 mask = 1 << bit;
1089 orig = snd_ac97_read(ac97, reg);
1090 val = orig ^ mask;
1091 snd_ac97_write(ac97, reg, val);
1092 res = snd_ac97_read(ac97, reg);
1093 snd_ac97_write_cache(ac97, reg, orig);
1094 return res == val;
1095}
1096
1097/* check the volume resolution of center/lfe */
1098static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max)
1099{
1100 unsigned short val, val1;
1101
1102 *max = 63;
1103 val = 0x8080 | (0x20 << shift);
1104 snd_ac97_write(ac97, reg, val);
1105 val1 = snd_ac97_read(ac97, reg);
1106 if (val != val1) {
1107 *max = 31;
1108 }
1109 /* reset volume to zero */
1110 snd_ac97_write_cache(ac97, reg, 0x8080);
1111}
1112
1113static inline int printable(unsigned int x)
1114{
1115 x &= 0xff;
1116 if (x < ' ' || x >= 0x71) {
1117 if (x <= 0x89)
1118 return x - 0x71 + 'A';
1119 return '?';
1120 }
1121 return x;
1122}
1123
1124snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97)
1125{
1126 snd_kcontrol_new_t template;
1127 memcpy(&template, _template, sizeof(template));
1128 snd_runtime_check(!template.index, return NULL);
1129 template.index = ac97->num;
1130 return snd_ctl_new1(&template, ac97);
1131}
1132
1133/*
1134 * create mute switch(es) for normal stereo controls
1135 */
1136static int snd_ac97_cmute_new_stereo(snd_card_t *card, char *name, int reg, int check_stereo, ac97_t *ac97)
1137{
1138 snd_kcontrol_t *kctl;
1139 int err;
1140 unsigned short val, val1, mute_mask;
1141
1142 if (! snd_ac97_valid_reg(ac97, reg))
1143 return 0;
1144
1145 mute_mask = 0x8000;
1146 val = snd_ac97_read(ac97, reg);
1147 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1148 /* check whether both mute bits work */
1149 val1 = val | 0x8080;
1150 snd_ac97_write(ac97, reg, val1);
1151 if (val1 == snd_ac97_read(ac97, reg))
1152 mute_mask = 0x8080;
1153 }
1154 if (mute_mask == 0x8080) {
1155 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1156 tmp.index = ac97->num;
1157 kctl = snd_ctl_new1(&tmp, ac97);
1158 } else {
1159 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1160 tmp.index = ac97->num;
1161 kctl = snd_ctl_new1(&tmp, ac97);
1162 }
1163 err = snd_ctl_add(card, kctl);
1164 if (err < 0)
1165 return err;
1166 /* mute as default */
1167 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1168 return 0;
1169}
1170
1171/*
1172 * create a volume for normal stereo/mono controls
1173 */
1174static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int lo_max,
1175 unsigned int hi_max, ac97_t *ac97)
1176{
1177 int err;
1178 snd_kcontrol_t *kctl;
1179
1180 if (! snd_ac97_valid_reg(ac97, reg))
1181 return 0;
1182 if (hi_max) {
1183 /* invert */
1184 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1185 tmp.index = ac97->num;
1186 kctl = snd_ctl_new1(&tmp, ac97);
1187 } else {
1188 /* invert */
1189 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1190 tmp.index = ac97->num;
1191 kctl = snd_ctl_new1(&tmp, ac97);
1192 }
1193 err = snd_ctl_add(card, kctl);
1194 if (err < 0)
1195 return err;
1196 snd_ac97_write_cache(ac97, reg,
1197 (snd_ac97_read(ac97, reg) & 0x8080) |
1198 lo_max | (hi_max << 8));
1199 return 0;
1200}
1201
1202/*
1203 * create a mute-switch and a volume for normal stereo/mono controls
1204 */
1205static int snd_ac97_cmix_new_stereo(snd_card_t *card, const char *pfx, int reg, int check_stereo, ac97_t *ac97)
1206{
1207 int err;
1208 char name[44];
1209 unsigned char lo_max, hi_max;
1210
1211 if (! snd_ac97_valid_reg(ac97, reg))
1212 return 0;
1213
1214 if (snd_ac97_try_bit(ac97, reg, 15)) {
1215 sprintf(name, "%s Switch", pfx);
1216 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1217 return err;
1218 }
1219 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1220 if (lo_max) {
1221 sprintf(name, "%s Volume", pfx);
1222 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1223 return err;
1224 }
1225 return 0;
1226}
1227
1228#define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1229#define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1230
1231static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97);
1232
1233static int snd_ac97_mixer_build(ac97_t * ac97)
1234{
1235 snd_card_t *card = ac97->bus->card;
1236 snd_kcontrol_t *kctl;
1237 int err;
1238 unsigned int idx;
1239 unsigned char max;
1240
1241 /* build master controls */
1242 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1243 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1244 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1245 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1246 else
1247 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1248 if (err < 0)
1249 return err;
1250 }
1251
1252 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1253
1254 /* build center controls */
1255 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1256 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1257 return err;
1258 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1259 return err;
1260 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1261 kctl->private_value &= ~(0xff << 16);
1262 kctl->private_value |= (int)max << 16;
1263 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1264 }
1265
1266 /* build LFE controls */
1267 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1268 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1269 return err;
1270 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1271 return err;
1272 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1273 kctl->private_value &= ~(0xff << 16);
1274 kctl->private_value |= (int)max << 16;
1275 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1276 }
1277
1278 /* build surround controls */
1279 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1280 /* Surround Master (0x38) is with stereo mutes */
1281 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1282 return err;
1283 }
1284
1285 /* build headphone controls */
1286 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1287 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1288 return err;
1289 }
1290
1291 /* build master mono controls */
1292 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1293 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1294 return err;
1295 }
1296
1297 /* build master tone controls */
1298 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1299 for (idx = 0; idx < 2; idx++) {
1300 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1301 return err;
1302 if (ac97->id == AC97_ID_YMF753) {
1303 kctl->private_value &= ~(0xff << 16);
1304 kctl->private_value |= 7 << 16;
1305 }
1306 }
1307 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1308 }
1309
1310 /* build PC Speaker controls */
1311 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1312 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1313 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1314 for (idx = 0; idx < 2; idx++)
1315 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1316 return err;
1317 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1318 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1319 }
1320
1321 /* build Phone controls */
1322 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1323 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1324 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1325 return err;
1326 }
1327 }
1328
1329 /* build MIC controls */
1330 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1331 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1332 return err;
1333 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1334 return err;
1335 }
1336
1337 /* build Line controls */
1338 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1339 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1340 return err;
1341 }
1342
1343 /* build CD controls */
1344 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1345 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1346 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1347 return err;
1348 }
1349 }
1350
1351 /* build Video controls */
1352 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1353 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1354 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1355 return err;
1356 }
1357 }
1358
1359 /* build Aux controls */
1360 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1361 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1362 return err;
1363 }
1364
1365 /* build PCM controls */
1366 if (ac97->flags & AC97_AD_MULTI) {
1367 unsigned short init_val;
1368 if (ac97->flags & AC97_STEREO_MUTES)
1369 init_val = 0x9f9f;
1370 else
1371 init_val = 0x9f1f;
1372 for (idx = 0; idx < 2; idx++)
1373 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1374 return err;
1375 ac97->spec.ad18xx.pcmreg[0] = init_val;
1376 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1377 for (idx = 0; idx < 2; idx++)
1378 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1379 return err;
1380 ac97->spec.ad18xx.pcmreg[1] = init_val;
1381 }
1382 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1383 for (idx = 0; idx < 2; idx++)
1384 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1385 return err;
1386 for (idx = 0; idx < 2; idx++)
1387 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1388 return err;
1389 ac97->spec.ad18xx.pcmreg[2] = init_val;
1390 }
1391 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1392 } else {
1393 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1394 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1395 else
1396 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1397 if (err < 0)
1398 return err;
1399 }
1400
1401 /* build Capture controls */
1402 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1403 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1404 return err;
1405 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1406 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1407 return err;
1408 }
1409 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1410 return err;
1411 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1412 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1413 }
1414 /* build MIC Capture controls */
1415 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1416 for (idx = 0; idx < 2; idx++)
1417 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1418 return err;
1419 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1420 }
1421
1422 /* build PCM out path & mute control */
1423 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1424 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1425 return err;
1426 }
1427
1428 /* build Simulated Stereo Enhancement control */
1429 if (ac97->caps & 0x0008) {
1430 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1431 return err;
1432 }
1433
1434 /* build 3D Stereo Enhancement control */
1435 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1436 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1437 return err;
1438 }
1439
1440 /* build Loudness control */
1441 if (ac97->caps & 0x0020) {
1442 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1443 return err;
1444 }
1445
1446 /* build Mono output select control */
1447 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1448 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1449 return err;
1450 }
1451
1452 /* build Mic select control */
1453 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1454 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1455 return err;
1456 }
1457
1458 /* build ADC/DAC loopback control */
1459 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1460 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1461 return err;
1462 }
1463
1464 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1465
1466 /* build 3D controls */
1467 if (ac97->build_ops->build_3d) {
1468 ac97->build_ops->build_3d(ac97);
1469 } else {
1470 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1471 unsigned short val;
1472 val = 0x0707;
1473 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1474 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1475 val = val == 0x0606;
1476 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1477 return err;
1478 if (val)
1479 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1480 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1481 return err;
1482 if (val)
1483 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1484 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1485 }
1486 }
1487
1488 /* build S/PDIF controls */
1489 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1490 if (ac97->build_ops->build_spdif) {
1491 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1492 return err;
1493 } else {
1494 for (idx = 0; idx < 5; idx++)
1495 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1496 return err;
1497 if (ac97->build_ops->build_post_spdif) {
1498 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1499 return err;
1500 }
1501 /* set default PCM S/PDIF params */
1502 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1503 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1504 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1505 }
1506 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1507 }
1508
1509 /* build chip specific controls */
1510 if (ac97->build_ops->build_specific)
1511 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1512 return err;
1513
1514 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1515 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1516 if (! kctl)
1517 return -ENOMEM;
1518 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1519 set_inv_eapd(ac97, kctl);
1520 if ((err = snd_ctl_add(card, kctl)) < 0)
1521 return err;
1522 }
1523
1524 return 0;
1525}
1526
1527static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97)
1528{
1529 /* TODO */
1530 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1531 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1532 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1533 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1534 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1535 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1536 return 0;
1537}
1538
1539static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate)
1540{
1541 unsigned short val;
1542 unsigned int tmp;
1543
1544 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1545 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1546 if (shadow_reg)
1547 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1548 val = snd_ac97_read(ac97, reg);
1549 return val == (tmp & 0xffff);
1550}
1551
1552static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result)
1553{
1554 unsigned int result = 0;
1555 unsigned short saved;
1556
1557 if (ac97->bus->no_vra) {
1558 *r_result = SNDRV_PCM_RATE_48000;
1559 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1560 reg == AC97_PCM_FRONT_DAC_RATE)
1561 *r_result |= SNDRV_PCM_RATE_96000;
1562 return;
1563 }
1564
1565 saved = snd_ac97_read(ac97, reg);
1566 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1567 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1568 AC97_EA_DRA, 0);
1569 /* test a non-standard rate */
1570 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1571 result |= SNDRV_PCM_RATE_CONTINUOUS;
1572 /* let's try to obtain standard rates */
1573 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1574 result |= SNDRV_PCM_RATE_8000;
1575 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1576 result |= SNDRV_PCM_RATE_11025;
1577 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1578 result |= SNDRV_PCM_RATE_16000;
1579 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1580 result |= SNDRV_PCM_RATE_22050;
1581 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1582 result |= SNDRV_PCM_RATE_32000;
1583 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1584 result |= SNDRV_PCM_RATE_44100;
1585 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1586 result |= SNDRV_PCM_RATE_48000;
1587 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1588 reg == AC97_PCM_FRONT_DAC_RATE) {
1589 /* test standard double rates */
1590 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1591 AC97_EA_DRA, AC97_EA_DRA);
1592 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1593 result |= SNDRV_PCM_RATE_64000;
1594 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1595 result |= SNDRV_PCM_RATE_88200;
1596 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1597 result |= SNDRV_PCM_RATE_96000;
1598 /* some codecs don't support variable double rates */
1599 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1600 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1601 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1602 AC97_EA_DRA, 0);
1603 }
1604 /* restore the default value */
1605 snd_ac97_write_cache(ac97, reg, saved);
1606 if (shadow_reg)
1607 snd_ac97_write_cache(ac97, shadow_reg, saved);
1608 *r_result = result;
1609}
1610
1611/* check AC97_SPDIF register to accept which sample rates */
1612static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97)
1613{
1614 unsigned int result = 0;
1615 int i;
1616 static unsigned short ctl_bits[] = {
1617 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1618 };
1619 static unsigned int rate_bits[] = {
1620 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1621 };
1622
1623 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1624 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1625 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1626 result |= rate_bits[i];
1627 }
1628 return result;
1629}
1630
1631/* look for the codec id table matching with the given id */
1632static const ac97_codec_id_t *look_for_codec_id(const ac97_codec_id_t *table,
1633 unsigned int id)
1634{
1635 const ac97_codec_id_t *pid;
1636
1637 for (pid = table; pid->id; pid++)
1638 if (pid->id == (id & pid->mask))
1639 return pid;
1640 return NULL;
1641}
1642
1643void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem)
1644{
1645 const ac97_codec_id_t *pid;
1646
1647 sprintf(name, "0x%x %c%c%c", id,
1648 printable(id >> 24),
1649 printable(id >> 16),
1650 printable(id >> 8));
1651 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1652 if (! pid)
1653 return;
1654
1655 strcpy(name, pid->name);
1656 if (ac97 && pid->patch) {
1657 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1658 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1659 pid->patch(ac97);
1660 }
1661
1662 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1663 if (pid) {
1664 strcat(name, " ");
1665 strcat(name, pid->name);
1666 if (pid->mask != 0xffffffff)
1667 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1668 if (ac97 && pid->patch) {
1669 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1670 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1671 pid->patch(ac97);
1672 }
1673 } else
1674 sprintf(name + strlen(name), " id %x", id & 0xff);
1675}
1676
1677/**
1678 * snd_ac97_get_short_name - retrieve codec name
1679 * @ac97: the codec instance
1680 *
1681 * Returns the short identifying name of the codec.
1682 */
1683const char *snd_ac97_get_short_name(ac97_t *ac97)
1684{
1685 const ac97_codec_id_t *pid;
1686
1687 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1688 if (pid->id == (ac97->id & pid->mask))
1689 return pid->name;
1690 return "unknown codec";
1691}
1692
1693
1694/* wait for a while until registers are accessible after RESET
1695 * return 0 if ok, negative not ready
1696 */
1697static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
1698{
1699 unsigned long end_time;
1700 unsigned short val;
1701
1702 end_time = jiffies + timeout;
1703 do {
1704
1705 /* use preliminary reads to settle the communication */
1706 snd_ac97_read(ac97, AC97_RESET);
1707 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1708 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1709 /* modem? */
1710 if (with_modem) {
1711 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1712 if (val != 0xffff && (val & 1) != 0)
1713 return 0;
1714 }
1715 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1716 /* probably only Xbox issue - all registers are read as zero */
1717 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1718 if (val != 0 && val != 0xffff)
1719 return 0;
1720 } else {
1721 /* because the PCM or MASTER volume registers can be modified,
1722 * the REC_GAIN register is used for tests
1723 */
1724 /* test if we can write to the record gain volume register */
1725 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1726 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1727 return 0;
1728 }
1729 set_current_state(TASK_UNINTERRUPTIBLE);
1730 schedule_timeout(1);
1731 } while (time_after_eq(end_time, jiffies));
1732 return -ENODEV;
1733}
1734
1735/**
1736 * snd_ac97_bus - create an AC97 bus component
1737 * @card: the card instance
1738 * @num: the bus number
1739 * @ops: the bus callbacks table
1740 * @private_data: private data pointer for the new instance
1741 * @rbus: the pointer to store the new AC97 bus instance.
1742 *
1743 * Creates an AC97 bus component. An ac97_bus_t instance is newly
1744 * allocated and initialized.
1745 *
1746 * The ops table must include valid callbacks (at least read and
1747 * write). The other callbacks, wait and reset, are not mandatory.
1748 *
1749 * The clock is set to 48000. If another clock is needed, set
1750 * (*rbus)->clock manually.
1751 *
1752 * The AC97 bus instance is registered as a low-level device, so you don't
1753 * have to release it manually.
1754 *
1755 * Returns zero if successful, or a negative error code on failure.
1756 */
1757int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
1758 void *private_data, ac97_bus_t **rbus)
1759{
1760 int err;
1761 ac97_bus_t *bus;
1762 static snd_device_ops_t dev_ops = {
1763 .dev_free = snd_ac97_bus_dev_free,
1764 };
1765
1766 snd_assert(card != NULL, return -EINVAL);
1767 snd_assert(rbus != NULL, return -EINVAL);
1768 bus = kcalloc(1, sizeof(*bus), GFP_KERNEL);
1769 if (bus == NULL)
1770 return -ENOMEM;
1771 bus->card = card;
1772 bus->num = num;
1773 bus->ops = ops;
1774 bus->private_data = private_data;
1775 bus->clock = 48000;
1776 spin_lock_init(&bus->bus_lock);
1777 snd_ac97_bus_proc_init(bus);
1778 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1779 snd_ac97_bus_free(bus);
1780 return err;
1781 }
1782 *rbus = bus;
1783 return 0;
1784}
1785
1786/* build_ops to do nothing */
1787static struct snd_ac97_build_ops null_build_ops;
1788
1789/**
1790 * snd_ac97_mixer - create an Codec97 component
1791 * @bus: the AC97 bus which codec is attached to
1792 * @template: the template of ac97, including index, callbacks and
1793 * the private data.
1794 * @rac97: the pointer to store the new ac97 instance.
1795 *
1796 * Creates an Codec97 component. An ac97_t instance is newly
1797 * allocated and initialized from the template. The codec
1798 * is then initialized by the standard procedure.
1799 *
1800 * The template must include the codec number (num) and address (addr),
1801 * and the private data (private_data).
1802 *
1803 * The ac97 instance is registered as a low-level device, so you don't
1804 * have to release it manually.
1805 *
1806 * Returns zero if successful, or a negative error code on failure.
1807 */
1808int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
1809{
1810 int err;
1811 ac97_t *ac97;
1812 snd_card_t *card;
1813 char name[64];
1814 unsigned long end_time;
1815 unsigned int reg;
1816 const ac97_codec_id_t *pid;
1817 static snd_device_ops_t ops = {
1818 .dev_free = snd_ac97_dev_free,
1819 };
1820
1821 snd_assert(rac97 != NULL, return -EINVAL);
1822 *rac97 = NULL;
1823 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1824 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1825
1826 snd_assert(bus->shared_type <= AC97_SHARED_TYPES, return -EINVAL);
1827 if (bus->shared_type) {
1828 /* already shared? */
1829 down(&shared_codec_mutex);
1830 ac97 = shared_codec[bus->shared_type-1][template->num];
1831 if (ac97) {
1832 if ((ac97_is_audio(ac97) && (template->scaps & AC97_SCAP_SKIP_AUDIO)) ||
1833 (ac97_is_modem(ac97) && (template->scaps & AC97_SCAP_SKIP_MODEM))) {
1834 up(&shared_codec_mutex);
1835 return -EACCES; /* skip this */
1836 }
1837 }
1838 up(&shared_codec_mutex);
1839 }
1840
1841 card = bus->card;
1842 ac97 = kcalloc(1, sizeof(*ac97), GFP_KERNEL);
1843 if (ac97 == NULL)
1844 return -ENOMEM;
1845 ac97->private_data = template->private_data;
1846 ac97->private_free = template->private_free;
1847 ac97->bus = bus;
1848 ac97->pci = template->pci;
1849 ac97->num = template->num;
1850 ac97->addr = template->addr;
1851 ac97->scaps = template->scaps;
1852 ac97->limited_regs = template->limited_regs;
1853 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1854 bus->codec[ac97->num] = ac97;
1855 init_MUTEX(&ac97->reg_mutex);
1856 init_MUTEX(&ac97->page_mutex);
1857
1858 if (ac97->pci) {
1859 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1860 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1861 }
1862 if (bus->ops->reset) {
1863 bus->ops->reset(ac97);
1864 goto __access_ok;
1865 }
1866
1867 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1868 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1869 if (ac97->id && ac97->id != (unsigned int)-1) {
1870 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1871 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1872 goto __access_ok;
1873 }
1874
23fea4da
SK		 1875 /* reset to defaults */
1876 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1877 snd_ac97_write(ac97, AC97_RESET, 0);
1878 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1879 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 1880 if (bus->ops->wait)
1881 bus->ops->wait(ac97);
1882 else {
1883 udelay(50);
1884 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1885 err = ac97_reset_wait(ac97, HZ/2, 1);
1886 else {
1887 err = ac97_reset_wait(ac97, HZ/2, 0);
1888 if (err < 0)
1889 err = ac97_reset_wait(ac97, HZ/2, 1);
1890 }
1891 if (err < 0) {
1892 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1893 /* proceed anyway - it's often non-critical */
1894 }
1895 }
1896 __access_ok:
1897 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1898 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1899 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1900 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1901 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1902 snd_ac97_free(ac97);
1903 return -EIO;
1904 }
1905 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1906 if (pid)
1907 ac97->flags |= pid->flags;
1908
1909 /* test for AC'97 */
1910 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1911 /* test if we can write to the record gain volume register */
1912 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1913 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1914 ac97->scaps |= AC97_SCAP_AUDIO;
1915 }
1916 if (ac97->scaps & AC97_SCAP_AUDIO) {
1917 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1918 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1919 if (ac97->ext_id == 0xffff) /* invalid combination */
1920 ac97->ext_id = 0;
1921 }
1922
1923 /* test for MC'97 */
1924 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1925 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1926 if (ac97->ext_mid == 0xffff) /* invalid combination */
1927 ac97->ext_mid = 0;
1928 if (ac97->ext_mid & 1)
1929 ac97->scaps |= AC97_SCAP_MODEM;
1930 }
1931
1932 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1933 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1934 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1935 snd_ac97_free(ac97);
1936 return -EACCES;
1937 }
1938
1939 if (bus->ops->reset) // FIXME: always skipping?
1940 goto __ready_ok;
1941
1942 /* FIXME: add powerdown control */
1943 if (ac97_is_audio(ac97)) {
1944 /* nothing should be in powerdown mode */
1945 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1946 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1947 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1948 udelay(100);
1949 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1950 }
1951 /* nothing should be in powerdown mode */
1952 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1953 end_time = jiffies + (HZ / 10);
1954 do {
1955 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1956 goto __ready_ok;
1957 set_current_state(TASK_UNINTERRUPTIBLE);
1958 schedule_timeout(1);
1959 } while (time_after_eq(end_time, jiffies));
1960 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1961 }
1962
1963 /* FIXME: add powerdown control */
1964 if (ac97_is_modem(ac97)) {
1965 unsigned char tmp;
1966
1967 /* nothing should be in powerdown mode */
1968 /* note: it's important to set the rate at first */
1969 tmp = AC97_MEA_GPIO;
1970 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 1971 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 1972 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
1973 }
1974 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 1975 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 1976 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
1977 }
1978 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 1979 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 1980 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
1981 }
8e8311b0 1982 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 1983 udelay(100);
1984 /* nothing should be in powerdown mode */
8e8311b0 1985 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 1986 end_time = jiffies + (HZ / 10);
1987 do {
1988 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
1989 goto __ready_ok;
1990 set_current_state(TASK_UNINTERRUPTIBLE);
1991 schedule_timeout(1);
1992 } while (time_after_eq(end_time, jiffies));
1993 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
1994 }
1995
1996 __ready_ok:
1997 if (ac97_is_audio(ac97))
1998 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
1999 else
2000 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2001 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2002 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2003 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2004 if (! bus->no_vra)
2005 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2006 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2007 }
2008 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2009 /* Intel controllers require double rate data to be put in
2010 * slots 7+8, so let's hope the codec supports it. */
2011 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2012 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2013 ac97->flags |= AC97_DOUBLE_RATE;
2014 }
2015 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2016 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2017 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2018 } else {
2019 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2020 if (ac97->flags & AC97_DOUBLE_RATE)
2021 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2022 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2023 }
2024 if (ac97->ext_id & AC97_EI_SPDIF) {
2025 /* codec specific code (patch) should override these values */
2026 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2027 }
2028 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2029 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2030 } else {
2031 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2032 }
2033 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2034 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2035 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2036 }
2037 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2038 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2039 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2040 }
2041 /* additional initializations */
2042 if (bus->ops->init)
2043 bus->ops->init(ac97);
2044 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2045 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2046 if (! ac97->build_ops)
2047 ac97->build_ops = &null_build_ops;
2048
2049 if (ac97_is_audio(ac97)) {
2050 char comp[16];
2051 if (card->mixername[0] == '\0') {
2052 strcpy(card->mixername, name);
2053 } else {
2054 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2055 strcat(card->mixername, ",");
2056 strcat(card->mixername, name);
2057 }
2058 }
2059 sprintf(comp, "AC97a:%08x", ac97->id);
2060 if ((err = snd_component_add(card, comp)) < 0) {
2061 snd_ac97_free(ac97);
2062 return err;
2063 }
2064 if (snd_ac97_mixer_build(ac97) < 0) {
2065 snd_ac97_free(ac97);
2066 return -ENOMEM;
2067 }
2068 }
2069 if (ac97_is_modem(ac97)) {
2070 char comp[16];
2071 if (card->mixername[0] == '\0') {
2072 strcpy(card->mixername, name);
2073 } else {
2074 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2075 strcat(card->mixername, ",");
2076 strcat(card->mixername, name);
2077 }
2078 }
2079 sprintf(comp, "AC97m:%08x", ac97->id);
2080 if ((err = snd_component_add(card, comp)) < 0) {
2081 snd_ac97_free(ac97);
2082 return err;
2083 }
2084 if (snd_ac97_modem_build(card, ac97) < 0) {
2085 snd_ac97_free(ac97);
2086 return -ENOMEM;
2087 }
2088 }
2089 /* make sure the proper powerdown bits are cleared */
2090 if (ac97->scaps) {
2091 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2092 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2093 reg &= ~AC97_EA_PRJ;
2094 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2095 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2096 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2097 }
2098 snd_ac97_proc_init(ac97);
2099 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2100 snd_ac97_free(ac97);
2101 return err;
2102 }
2103 *rac97 = ac97;
2104
2105 if (bus->shared_type) {
2106 down(&shared_codec_mutex);
2107 shared_codec[bus->shared_type-1][ac97->num] = ac97;
2108 up(&shared_codec_mutex);
2109 }
2110
2111 return 0;
2112}
2113
2114
2115/*
2116 * Power down the chip.
2117 *
2118 * MASTER and HEADPHONE registers are muted but the register cache values
2119 * are not changed, so that the values can be restored in snd_ac97_resume().
2120 */
2121static void snd_ac97_powerdown(ac97_t *ac97)
2122{
2123 unsigned short power;
2124
2125 if (ac97_is_audio(ac97)) {
2126 /* some codecs have stereo mute bits */
2127 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2128 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2129 }
2130
2131 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2132 power |= 0x4000; /* Headphone amplifier powerdown */
2133 power |= 0x0300; /* ADC & DAC powerdown */
2134 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2135 udelay(100);
2136 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2137 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2138 udelay(100);
2139#if 0
2140 /* FIXME: this causes click noises on some boards at resume */
2141 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2142 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2143#endif
2144}
2145
2146
2147#ifdef CONFIG_PM
2148/**
2149 * snd_ac97_suspend - General suspend function for AC97 codec
2150 * @ac97: the ac97 instance
2151 *
2152 * Suspends the codec, power down the chip.
2153 */
2154void snd_ac97_suspend(ac97_t *ac97)
2155{
2156 if (ac97->build_ops->suspend)
2157 ac97->build_ops->suspend(ac97);
2158 snd_ac97_powerdown(ac97);
2159}
2160
2161/*
2162 * restore ac97 status
2163 */
2164void snd_ac97_restore_status(ac97_t *ac97)
2165{
2166 int i;
2167
2168 for (i = 2; i < 0x7c ; i += 2) {
2169 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2170 continue;
2171 /* restore only accessible registers
2172 * some chip (e.g. nm256) may hang up when unsupported registers
2173 * are accessed..!
2174 */
2175 if (test_bit(i, ac97->reg_accessed)) {
2176 snd_ac97_write(ac97, i, ac97->regs[i]);
2177 snd_ac97_read(ac97, i);
2178 }
2179 }
2180}
2181
2182/*
2183 * restore IEC958 status
2184 */
2185void snd_ac97_restore_iec958(ac97_t *ac97)
2186{
2187 if (ac97->ext_id & AC97_EI_SPDIF) {
2188 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2189 /* reset spdif status */
2190 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2191 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2192 if (ac97->flags & AC97_CS_SPDIF)
2193 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2194 else
2195 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2196 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2197 }
2198 }
2199}
2200
2201/**
2202 * snd_ac97_resume - General resume function for AC97 codec
2203 * @ac97: the ac97 instance
2204 *
2205 * Do the standard resume procedure, power up and restoring the
2206 * old register values.
2207 */
2208void snd_ac97_resume(ac97_t *ac97)
2209{
2210 int i;
2211
2212 if (ac97->bus->ops->reset) {
2213 ac97->bus->ops->reset(ac97);
2214 goto __reset_ready;
2215 }
2216
2217 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2218 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2219 snd_ac97_write(ac97, AC97_RESET, 0);
2220 udelay(100);
2221 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2222 }
2223 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2224
2225 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2226 if (ac97_is_audio(ac97)) {
2227 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2228 for (i = HZ/10; i >= 0; i--) {
2229 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2230 break;
2231 set_current_state(TASK_UNINTERRUPTIBLE);
2232 schedule_timeout(1);
2233 }
2234 /* FIXME: extra delay */
2235 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2236 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) {
2237 set_current_state(TASK_UNINTERRUPTIBLE);
2238 schedule_timeout(HZ/4);
2239 }
2240 } else {
2241 for (i = HZ/10; i >= 0; i--) {
2242 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2243 if (val != 0xffff && (val & 1) != 0)
2244 break;
2245 set_current_state(TASK_UNINTERRUPTIBLE);
2246 schedule_timeout(1);
2247 }
2248 }
2249__reset_ready:
2250
2251 if (ac97->bus->ops->init)
2252 ac97->bus->ops->init(ac97);
2253
2254 if (ac97->build_ops->resume)
2255 ac97->build_ops->resume(ac97);
2256 else {
2257 snd_ac97_restore_status(ac97);
2258 snd_ac97_restore_iec958(ac97);
2259 }
2260}
2261#endif
2262
2263
2264/*
2265 * Hardware tuning
2266 */
2267static void set_ctl_name(char *dst, const char *src, const char *suffix)
2268{
2269 if (suffix)
2270 sprintf(dst, "%s %s", src, suffix);
2271 else
2272 strcpy(dst, src);
2273}
2274
2275/* remove the control with the given name and optional suffix */
2276int snd_ac97_remove_ctl(ac97_t *ac97, const char *name, const char *suffix)
2277{
2278 snd_ctl_elem_id_t id;
2279 memset(&id, 0, sizeof(id));
2280 set_ctl_name(id.name, name, suffix);
2281 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2282 return snd_ctl_remove_id(ac97->bus->card, &id);
2283}
2284
2285static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name, const char *suffix)
2286{
2287 snd_ctl_elem_id_t sid;
2288 memset(&sid, 0, sizeof(sid));
2289 set_ctl_name(sid.name, name, suffix);
2290 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2291 return snd_ctl_find_id(ac97->bus->card, &sid);
2292}
2293
2294/* rename the control with the given name and optional suffix */
2295int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const char *suffix)
2296{
2297 snd_kcontrol_t *kctl = ctl_find(ac97, src, suffix);
2298 if (kctl) {
2299 set_ctl_name(kctl->id.name, dst, suffix);
2300 return 0;
2301 }
2302 return -ENOENT;
2303}
2304
2305/* rename both Volume and Switch controls - don't check the return value */
2306void snd_ac97_rename_vol_ctl(ac97_t *ac97, const char *src, const char *dst)
2307{
2308 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2309 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2310}
2311
2312/* swap controls */
2313int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *suffix)
2314{
2315 snd_kcontrol_t *kctl1, *kctl2;
2316 kctl1 = ctl_find(ac97, s1, suffix);
2317 kctl2 = ctl_find(ac97, s2, suffix);
2318 if (kctl1 && kctl2) {
2319 set_ctl_name(kctl1->id.name, s2, suffix);
2320 set_ctl_name(kctl2->id.name, s1, suffix);
2321 return 0;
2322 }
2323 return -ENOENT;
2324}
2325
2326#if 1
2327/* bind hp and master controls instead of using only hp control */
2328static int bind_hp_volsw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2329{
2330 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2331 if (err > 0) {
2332 unsigned long priv_saved = kcontrol->private_value;
2333 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2334 snd_ac97_put_volsw(kcontrol, ucontrol);
2335 kcontrol->private_value = priv_saved;
2336 }
2337 return err;
2338}
2339
2340/* ac97 tune: bind Master and Headphone controls */
2341static int tune_hp_only(ac97_t *ac97)
2342{
2343 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2344 snd_kcontrol_t *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2345 if (! msw || ! mvol)
2346 return -ENOENT;
2347 msw->put = bind_hp_volsw_put;
2348 mvol->put = bind_hp_volsw_put;
2349 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2350 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2351 return 0;
2352}
2353
2354#else
2355/* ac97 tune: use Headphone control as master */
2356static int tune_hp_only(ac97_t *ac97)
2357{
2358 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2359 return -ENOENT;
2360 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2361 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2362 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2363 return 0;
2364}
2365#endif
2366
2367/* ac97 tune: swap Headphone and Master controls */
2368static int tune_swap_hp(ac97_t *ac97)
2369{
2370 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2371 return -ENOENT;
2372 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2373 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2374 return 0;
2375}
2376
2377/* ac97 tune: swap Surround and Master controls */
2378static int tune_swap_surround(ac97_t *ac97)
2379{
2380 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2381 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2382 return -ENOENT;
2383 return 0;
2384}
2385
2386/* ac97 tune: set up mic sharing for AD codecs */
2387static int tune_ad_sharing(ac97_t *ac97)
2388{
2389 unsigned short scfg;
2390 if ((ac97->id & 0xffffff00) != 0x41445300) {
2391 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2392 return -EINVAL;
2393 }
2394 /* Turn on OMS bit to route microphone to back panel */
2395 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2396 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2397 return 0;
2398}
2399
2400static const snd_kcontrol_new_t snd_ac97_alc_jack_detect =
2401AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2402
2403/* ac97 tune: set up ALC jack-select */
2404static int tune_alc_jack(ac97_t *ac97)
2405{
2406 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2407 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2408 return -EINVAL;
2409 }
2410 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2411 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2412 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2413}
2414
2415/* ac97 tune: inversed EAPD bit */
2416static int tune_inv_eapd(ac97_t *ac97)
2417{
2418 snd_kcontrol_t *kctl = ctl_find(ac97, "External Amplifier", NULL);
2419 if (! kctl)
2420 return -ENOENT;
2421 set_inv_eapd(ac97, kctl);
2422 return 0;
2423}
2424
2425static int master_mute_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2426{
2427 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2428 if (err > 0) {
2429 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
2430 int shift = (kcontrol->private_value >> 8) & 0x0f;
2431 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2432 unsigned short mask;
2433 if (shift != rshift)
2434 mask = 0x8080;
2435 else
2436 mask = 0x8000;
2437 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2438 (ac97->regs[AC97_MASTER] & mask) == mask ?
2439 0x8000 : 0);
2440 }
2441 return err;
2442}
2443
2444/* ac97 tune: EAPD controls mute LED bound with the master mute */
2445static int tune_mute_led(ac97_t *ac97)
2446{
2447 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2448 if (! msw)
2449 return -ENOENT;
2450 msw->put = master_mute_sw_put;
2451 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2452 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2453 return 0;
2454}
2455
2456struct quirk_table {
2457 const char *name;
2458 int (*func)(ac97_t *);
2459};
2460
2461static struct quirk_table applicable_quirks[] = {
2462 { "none", NULL },
2463 { "hp_only", tune_hp_only },
2464 { "swap_hp", tune_swap_hp },
2465 { "swap_surround", tune_swap_surround },
2466 { "ad_sharing", tune_ad_sharing },
2467 { "alc_jack", tune_alc_jack },
2468 { "inv_eapd", tune_inv_eapd },
2469 { "mute_led", tune_mute_led },
2470};
2471
2472/* apply the quirk with the given type */
2473static int apply_quirk(ac97_t *ac97, int type)
2474{
2475 if (type <= 0)
2476 return 0;
2477 else if (type >= ARRAY_SIZE(applicable_quirks))
2478 return -EINVAL;
2479 if (applicable_quirks[type].func)
2480 return applicable_quirks[type].func(ac97);
2481 return 0;
2482}
2483
2484/* apply the quirk with the given name */
2485static int apply_quirk_str(ac97_t *ac97, const char *typestr)
2486{
2487 int i;
2488 struct quirk_table *q;
2489
2490 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2491 q = &applicable_quirks[i];
2492 if (q->name && ! strcmp(typestr, q->name))
2493 return apply_quirk(ac97, i);
2494 }
2495 /* for compatibility, accept the numbers, too */
2496 if (*typestr >= '0' && *typestr <= '9')
2497 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2498 return -EINVAL;
2499}
2500
2501/**
2502 * snd_ac97_tune_hardware - tune up the hardware
2503 * @ac97: the ac97 instance
2504 * @quirk: quirk list
2505 * @override: explicit quirk value (overrides the list if non-NULL)
2506 *
2507 * Do some workaround for each pci device, such as renaming of the
2508 * headphone (true line-out) control as "Master".
2509 * The quirk-list must be terminated with a zero-filled entry.
2510 *
2511 * Returns zero if successful, or a negative error code on failure.
2512 */
2513
2514int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override)
2515{
2516 int result;
2517
2518 snd_assert(quirk, return -EINVAL);
2519
2520 /* quirk overriden? */
2521 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2522 result = apply_quirk_str(ac97, override);
2523 if (result < 0)
2524 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2525 return result;
2526 }
2527
2528 for (; quirk->vendor; quirk++) {
2529 if (quirk->vendor != ac97->subsystem_vendor)
2530 continue;
2531 if ((! quirk->mask && quirk->device == ac97->subsystem_device) ||
2532 quirk->device == (quirk->mask & ac97->subsystem_device)) {
2533 if (quirk->codec_id && quirk->codec_id != ac97->id)
2534 continue;
2535 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2536 result = apply_quirk(ac97, quirk->type);
2537 if (result < 0)
2538 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2539 return result;
2540 }
2541 }
2542 return 0;
2543}
2544
2545
2546/*
2547 * Exported symbols
2548 */
2549
2550EXPORT_SYMBOL(snd_ac97_write);
2551EXPORT_SYMBOL(snd_ac97_read);
2552EXPORT_SYMBOL(snd_ac97_write_cache);
2553EXPORT_SYMBOL(snd_ac97_update);
2554EXPORT_SYMBOL(snd_ac97_update_bits);
2555EXPORT_SYMBOL(snd_ac97_get_short_name);
2556EXPORT_SYMBOL(snd_ac97_bus);
2557EXPORT_SYMBOL(snd_ac97_mixer);
2558EXPORT_SYMBOL(snd_ac97_pcm_assign);
2559EXPORT_SYMBOL(snd_ac97_pcm_open);
2560EXPORT_SYMBOL(snd_ac97_pcm_close);
2561EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2562EXPORT_SYMBOL(snd_ac97_tune_hardware);
2563EXPORT_SYMBOL(snd_ac97_set_rate);
2564#ifdef CONFIG_PM
2565EXPORT_SYMBOL(snd_ac97_resume);
2566EXPORT_SYMBOL(snd_ac97_suspend);
2567#endif
2568
2569/*
2570 * INIT part
2571 */
2572
2573static int __init alsa_ac97_init(void)
2574{
2575 return 0;
2576}
2577
2578static void __exit alsa_ac97_exit(void)
2579{
2580}
2581
2582module_init(alsa_ac97_init)
2583module_exit(alsa_ac97_exit)
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