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[ALSA] emu10k1: Add EMU 1212m card entry and document it as not supported yet.
[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 },
87d61c29 153{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
1da177e4
LT		 154{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
155{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
156{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
157{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
158{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
159{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
160{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
161{ 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
162{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
163{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
164{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
165{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
166{ 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
167{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
168{ 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
169{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
170{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
171{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
172{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
173{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
174{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
175{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
176{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
177{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
178{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
179{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
180{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
181{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
182{ 0, 0, NULL, NULL, NULL }
183};
184
185const char *snd_ac97_stereo_enhancements[] =
186{
187 /* 0 */ "No 3D Stereo Enhancement",
188 /* 1 */ "Analog Devices Phat Stereo",
189 /* 2 */ "Creative Stereo Enhancement",
190 /* 3 */ "National Semi 3D Stereo Enhancement",
191 /* 4 */ "YAMAHA Ymersion",
192 /* 5 */ "BBE 3D Stereo Enhancement",
193 /* 6 */ "Crystal Semi 3D Stereo Enhancement",
194 /* 7 */ "Qsound QXpander",
195 /* 8 */ "Spatializer 3D Stereo Enhancement",
196 /* 9 */ "SRS 3D Stereo Enhancement",
197 /* 10 */ "Platform Tech 3D Stereo Enhancement",
198 /* 11 */ "AKM 3D Audio",
199 /* 12 */ "Aureal Stereo Enhancement",
200 /* 13 */ "Aztech 3D Enhancement",
201 /* 14 */ "Binaura 3D Audio Enhancement",
202 /* 15 */ "ESS Technology Stereo Enhancement",
203 /* 16 */ "Harman International VMAx",
204 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
205 /* 18 */ "Philips Incredible Sound",
206 /* 19 */ "Texas Instruments 3D Stereo Enhancement",
207 /* 20 */ "VLSI Technology 3D Stereo Enhancement",
208 /* 21 */ "TriTech 3D Stereo Enhancement",
209 /* 22 */ "Realtek 3D Stereo Enhancement",
210 /* 23 */ "Samsung 3D Stereo Enhancement",
211 /* 24 */ "Wolfson Microelectronics 3D Enhancement",
212 /* 25 */ "Delta Integration 3D Enhancement",
213 /* 26 */ "SigmaTel 3D Enhancement",
214 /* 27 */ "IC Ensemble/KS Waves",
215 /* 28 */ "Rockwell 3D Stereo Enhancement",
216 /* 29 */ "Reserved 29",
217 /* 30 */ "Reserved 30",
218 /* 31 */ "Reserved 31"
219};
220
221/*
222 * Shared AC97 controllers (ICH, ATIIXP...)
223 */
224static DECLARE_MUTEX(shared_codec_mutex);
225static ac97_t *shared_codec[AC97_SHARED_TYPES][4];
226
227
228/*
229 * I/O routines
230 */
231
232static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg)
233{
234 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
235 return 0;
236
237 /* filter some registers for buggy codecs */
238 switch (ac97->id) {
239 case AC97_ID_AK4540:
240 case AC97_ID_AK4542:
241 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
242 return 1;
243 return 0;
244 case AC97_ID_AD1819: /* AD1819 */
245 case AC97_ID_AD1881: /* AD1881 */
246 case AC97_ID_AD1881A: /* AD1881A */
247 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
248 return 0;
249 return 1;
250 case AC97_ID_AD1885: /* AD1885 */
251 case AC97_ID_AD1886: /* AD1886 */
252 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
253 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
254 if (reg == 0x5a)
255 return 1;
256 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
257 return 0;
258 return 1;
259 case AC97_ID_STAC9700:
260 case AC97_ID_STAC9704:
261 case AC97_ID_STAC9705:
262 case AC97_ID_STAC9708:
263 case AC97_ID_STAC9721:
264 case AC97_ID_STAC9744:
265 case AC97_ID_STAC9756:
266 if (reg <= 0x3a || reg >= 0x5a)
267 return 1;
268 return 0;
269 }
270 return 1;
271}
272
273/**
274 * snd_ac97_write - write a value on the given register
275 * @ac97: the ac97 instance
276 * @reg: the register to change
277 * @value: the value to set
278 *
279 * Writes a value on the given register. This will invoke the write
280 * callback directly after the register check.
281 * This function doesn't change the register cache unlike
282 * #snd_ca97_write_cache(), so use this only when you don't want to
283 * reflect the change to the suspend/resume state.
284 */
285void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value)
286{
287 if (!snd_ac97_valid_reg(ac97, reg))
288 return;
289 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
290 /* Fix H/W bug of ALC100/100P */
291 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
292 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
293 }
294 ac97->bus->ops->write(ac97, reg, value);
295}
296
297/**
298 * snd_ac97_read - read a value from the given register
299 *
300 * @ac97: the ac97 instance
301 * @reg: the register to read
302 *
303 * Reads a value from the given register. This will invoke the read
304 * callback directly after the register check.
305 *
306 * Returns the read value.
307 */
308unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg)
309{
310 if (!snd_ac97_valid_reg(ac97, reg))
311 return 0;
312 return ac97->bus->ops->read(ac97, reg);
313}
314
315/* read a register - return the cached value if already read */
316static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short reg)
317{
318 if (! test_bit(reg, ac97->reg_accessed)) {
319 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
320 // set_bit(reg, ac97->reg_accessed);
321 }
322 return ac97->regs[reg];
323}
324
325/**
326 * snd_ac97_write_cache - write a value on the given register and update the cache
327 * @ac97: the ac97 instance
328 * @reg: the register to change
329 * @value: the value to set
330 *
331 * Writes a value on the given register and updates the register
332 * cache. The cached values are used for the cached-read and the
333 * suspend/resume.
334 */
335void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value)
336{
337 if (!snd_ac97_valid_reg(ac97, reg))
338 return;
339 down(&ac97->reg_mutex);
340 ac97->regs[reg] = value;
341 ac97->bus->ops->write(ac97, reg, value);
342 set_bit(reg, ac97->reg_accessed);
343 up(&ac97->reg_mutex);
344}
345
346/**
347 * snd_ac97_update - update the value on the given register
348 * @ac97: the ac97 instance
349 * @reg: the register to change
350 * @value: the value to set
351 *
352 * Compares the value with the register cache and updates the value
353 * only when the value is changed.
354 *
355 * Returns 1 if the value is changed, 0 if no change, or a negative
356 * code on failure.
357 */
358int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value)
359{
360 int change;
361
362 if (!snd_ac97_valid_reg(ac97, reg))
363 return -EINVAL;
364 down(&ac97->reg_mutex);
365 change = ac97->regs[reg] != value;
366 if (change) {
367 ac97->regs[reg] = value;
368 ac97->bus->ops->write(ac97, reg, value);
369 }
52b72388 370 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 371 up(&ac97->reg_mutex);
372 return change;
373}
374
375/**
376 * snd_ac97_update_bits - update the bits on the given register
377 * @ac97: the ac97 instance
378 * @reg: the register to change
379 * @mask: the bit-mask to change
380 * @value: the value to set
381 *
382 * Updates the masked-bits on the given register only when the value
383 * is changed.
384 *
385 * Returns 1 if the bits are changed, 0 if no change, or a negative
386 * code on failure.
387 */
388int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value)
389{
390 int change;
391
392 if (!snd_ac97_valid_reg(ac97, reg))
393 return -EINVAL;
394 down(&ac97->reg_mutex);
395 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
396 up(&ac97->reg_mutex);
397 return change;
398}
399
400/* no lock version - see snd_ac97_updat_bits() */
401int snd_ac97_update_bits_nolock(ac97_t *ac97, unsigned short reg,
402 unsigned short mask, unsigned short value)
403{
404 int change;
405 unsigned short old, new;
406
407 old = snd_ac97_read_cache(ac97, reg);
408 new = (old & ~mask) | value;
409 change = old != new;
410 if (change) {
411 ac97->regs[reg] = new;
412 ac97->bus->ops->write(ac97, reg, new);
413 }
52b72388 414 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 415 return change;
416}
417
418static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value)
419{
420 int change;
421 unsigned short old, new, cfg;
422
423 down(&ac97->page_mutex);
424 old = ac97->spec.ad18xx.pcmreg[codec];
425 new = (old & ~mask) | value;
426 change = old != new;
427 if (change) {
428 down(&ac97->reg_mutex);
429 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
430 ac97->spec.ad18xx.pcmreg[codec] = new;
431 /* select single codec */
432 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
433 (cfg & ~0x7000) |
434 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
435 /* update PCM bits */
436 ac97->bus->ops->write(ac97, AC97_PCM, new);
437 /* select all codecs */
438 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
439 cfg | 0x7000);
440 up(&ac97->reg_mutex);
441 }
442 up(&ac97->page_mutex);
443 return change;
444}
445
446/*
447 * Controls
448 */
449
450int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
451{
452 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
453
454 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
455 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
456 uinfo->value.enumerated.items = e->mask;
457
458 if (uinfo->value.enumerated.item > e->mask - 1)
459 uinfo->value.enumerated.item = e->mask - 1;
460 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
461 return 0;
462}
463
464int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
465{
466 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
467 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 468 unsigned short val, bitmask;
1da177e4 469
b16760bb 470 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 471 ;
1da177e4 472 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 473 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 474 if (e->shift_l != e->shift_r)
5f0dccf8 475 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 476
477 return 0;
478}
479
480int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
481{
482 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
483 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
484 unsigned short val;
5f0dccf8 485 unsigned short mask, bitmask;
1da177e4 486
b16760bb 487 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 488 ;
1da177e4
LT		 489 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
490 return -EINVAL;
491 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 492 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 493 if (e->shift_l != e->shift_r) {
494 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
495 return -EINVAL;
496 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 497 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 498 }
499 return snd_ac97_update_bits(ac97, e->reg, mask, val);
500}
501
502/* save/restore ac97 v2.3 paging */
503static int snd_ac97_page_save(ac97_t *ac97, int reg, snd_kcontrol_t *kcontrol)
504{
505 int page_save = -1;
506 if ((kcontrol->private_value & (1<<25)) &&
507 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
508 (reg >= 0x60 && reg < 0x70)) {
509 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
510 down(&ac97->page_mutex); /* lock paging */
511 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
512 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
513 }
514 return page_save;
515}
516
517static void snd_ac97_page_restore(ac97_t *ac97, int page_save)
518{
519 if (page_save >= 0) {
520 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
521 up(&ac97->page_mutex); /* unlock paging */
522 }
523}
524
525/* volume and switch controls */
526int snd_ac97_info_volsw(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
527{
528 int mask = (kcontrol->private_value >> 16) & 0xff;
529 int shift = (kcontrol->private_value >> 8) & 0x0f;
530 int rshift = (kcontrol->private_value >> 12) & 0x0f;
531
532 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
533 uinfo->count = shift == rshift ? 1 : 2;
534 uinfo->value.integer.min = 0;
535 uinfo->value.integer.max = mask;
536 return 0;
537}
538
539int snd_ac97_get_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
540{
541 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
542 int reg = kcontrol->private_value & 0xff;
543 int shift = (kcontrol->private_value >> 8) & 0x0f;
544 int rshift = (kcontrol->private_value >> 12) & 0x0f;
545 int mask = (kcontrol->private_value >> 16) & 0xff;
546 int invert = (kcontrol->private_value >> 24) & 0x01;
547 int page_save;
548
549 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
550 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
551 if (shift != rshift)
552 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
553 if (invert) {
554 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
555 if (shift != rshift)
556 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
557 }
558 snd_ac97_page_restore(ac97, page_save);
559 return 0;
560}
561
562int snd_ac97_put_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
563{
564 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
565 int reg = kcontrol->private_value & 0xff;
566 int shift = (kcontrol->private_value >> 8) & 0x0f;
567 int rshift = (kcontrol->private_value >> 12) & 0x0f;
568 int mask = (kcontrol->private_value >> 16) & 0xff;
569 int invert = (kcontrol->private_value >> 24) & 0x01;
570 int err, page_save;
571 unsigned short val, val2, val_mask;
572
573 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
574 val = (ucontrol->value.integer.value[0] & mask);
575 if (invert)
576 val = mask - val;
577 val_mask = mask << shift;
578 val = val << shift;
579 if (shift != rshift) {
580 val2 = (ucontrol->value.integer.value[1] & mask);
581 if (invert)
582 val2 = mask - val2;
583 val_mask |= mask << rshift;
584 val |= val2 << rshift;
585 }
586 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
587 snd_ac97_page_restore(ac97, page_save);
588 return err;
589}
590
591static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = {
592AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
593AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
594};
595
596static const snd_kcontrol_new_t snd_ac97_controls_tone[2] = {
597AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
598AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
599};
600
601static const snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = {
602AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
603AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
604};
605
606static const snd_kcontrol_new_t snd_ac97_controls_mic_boost =
607 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
608
609
610static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
611static const char* std_3d_path[] = {"pre 3D", "post 3D"};
612static const char* std_mix[] = {"Mix", "Mic"};
613static const char* std_mic[] = {"Mic1", "Mic2"};
614
615static const struct ac97_enum std_enum[] = {
616AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
617AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
618AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
619AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
620};
621
622static const snd_kcontrol_new_t snd_ac97_control_capture_src =
623AC97_ENUM("Capture Source", std_enum[0]);
624
625static const snd_kcontrol_new_t snd_ac97_control_capture_vol =
626AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
627
628static const snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = {
629AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
630AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
631};
632
633typedef enum {
634 AC97_GENERAL_PCM_OUT = 0,
635 AC97_GENERAL_STEREO_ENHANCEMENT,
636 AC97_GENERAL_3D,
637 AC97_GENERAL_LOUDNESS,
638 AC97_GENERAL_MONO,
639 AC97_GENERAL_MIC,
640 AC97_GENERAL_LOOPBACK
641} ac97_general_index_t;
642
643static const snd_kcontrol_new_t snd_ac97_controls_general[7] = {
644AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
645AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
646AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
647AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
648AC97_ENUM("Mono Output Select", std_enum[2]),
649AC97_ENUM("Mic Select", std_enum[3]),
650AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
651};
652
653const snd_kcontrol_new_t snd_ac97_controls_3d[2] = {
654AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
655AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
656};
657
658static const snd_kcontrol_new_t snd_ac97_controls_center[2] = {
659AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
660AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
661};
662
663static const snd_kcontrol_new_t snd_ac97_controls_lfe[2] = {
664AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
665AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
666};
667
1da177e4
LT		 668static const snd_kcontrol_new_t snd_ac97_control_eapd =
669AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
670
87d61c29
SK		 671static const snd_kcontrol_new_t snd_ac97_controls_modem_switches[2] = {
672AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
673AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
674};
675
1da177e4
LT		 676/* change the existing EAPD control as inverted */
677static void set_inv_eapd(ac97_t *ac97, snd_kcontrol_t *kctl)
678{
679 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
680 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
681 ac97->scaps |= AC97_SCAP_INV_EAPD;
682}
683
684static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
685{
686 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
687 uinfo->count = 1;
688 return 0;
689}
690
691static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
692{
693 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
694 IEC958_AES0_NONAUDIO |
695 IEC958_AES0_CON_EMPHASIS_5015 |
696 IEC958_AES0_CON_NOT_COPYRIGHT;
697 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
698 IEC958_AES1_CON_ORIGINAL;
699 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
700 return 0;
701}
702
703static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
704{
705 /* FIXME: AC'97 spec doesn't say which bits are used for what */
706 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
707 IEC958_AES0_NONAUDIO |
708 IEC958_AES0_PRO_FS |
709 IEC958_AES0_PRO_EMPHASIS_5015;
710 return 0;
711}
712
713static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
714{
715 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
716
717 down(&ac97->reg_mutex);
718 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
719 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
720 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
721 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
722 up(&ac97->reg_mutex);
723 return 0;
724}
725
726static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
727{
728 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
729 unsigned int new = 0;
730 unsigned short val = 0;
731 int change;
732
733 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
734 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
735 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
736 switch (new & IEC958_AES0_PRO_FS) {
737 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
738 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
739 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
740 default: val |= 1<<12; break;
741 }
742 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
743 val |= 1<<3;
744 } else {
745 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
746 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
747 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
748 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
749 val |= 1<<3;
750 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
751 val |= 1<<2;
752 val |= ((new >> 8) & 0xff) << 4; // category + original
753 switch ((new >> 24) & 0xff) {
754 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
755 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
756 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
757 default: val |= 1<<12; break;
758 }
759 }
760
761 down(&ac97->reg_mutex);
762 change = ac97->spdif_status != new;
763 ac97->spdif_status = new;
764
765 if (ac97->flags & AC97_CS_SPDIF) {
766 int x = (val >> 12) & 0x03;
767 switch (x) {
768 case 0: x = 1; break; // 44.1
769 case 2: x = 0; break; // 48.0
770 default: x = 0; break; // illegal.
771 }
772 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
773 } else if (ac97->flags & AC97_CX_SPDIF) {
774 int v;
775 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
776 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
777 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
778 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
779 v);
780 } else {
781 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
782 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
783
784 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
785 if (extst & AC97_EA_SPDIF) {
786 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
787 }
788 }
789 up(&ac97->reg_mutex);
790
791 return change;
792}
793
794static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
795{
796 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
797 int reg = kcontrol->private_value & 0xff;
798 int shift = (kcontrol->private_value >> 8) & 0xff;
799 int mask = (kcontrol->private_value >> 16) & 0xff;
800 // int invert = (kcontrol->private_value >> 24) & 0xff;
801 unsigned short value, old, new;
802 int change;
803
804 value = (ucontrol->value.integer.value[0] & mask);
805
806 down(&ac97->reg_mutex);
807 mask <<= shift;
808 value <<= shift;
809 old = snd_ac97_read_cache(ac97, reg);
810 new = (old & ~mask) | value;
811 change = old != new;
812
813 if (change) {
814 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
815 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
816 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
817 if (extst & AC97_EA_SPDIF)
818 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
819 }
820 up(&ac97->reg_mutex);
821 return change;
822}
823
824const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = {
825 {
826 .access = SNDRV_CTL_ELEM_ACCESS_READ,
827 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
828 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
829 .info = snd_ac97_spdif_mask_info,
830 .get = snd_ac97_spdif_cmask_get,
831 },
832 {
833 .access = SNDRV_CTL_ELEM_ACCESS_READ,
834 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
835 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
836 .info = snd_ac97_spdif_mask_info,
837 .get = snd_ac97_spdif_pmask_get,
838 },
839 {
840 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
841 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
842 .info = snd_ac97_spdif_mask_info,
843 .get = snd_ac97_spdif_default_get,
844 .put = snd_ac97_spdif_default_put,
845 },
846
847 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
848 {
849 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
850 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
851 .info = snd_ac97_info_volsw,
852 .get = snd_ac97_get_volsw,
853 .put = snd_ac97_put_spsa,
854 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
855 },
856};
857
858#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
859{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
860 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
861 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
862
863static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
864{
865 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
866 int mask = (kcontrol->private_value >> 16) & 0x0f;
867 int lshift = (kcontrol->private_value >> 8) & 0x0f;
868 int rshift = (kcontrol->private_value >> 12) & 0x0f;
869
870 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
871 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
872 uinfo->count = 2;
873 else
874 uinfo->count = 1;
875 uinfo->value.integer.min = 0;
876 uinfo->value.integer.max = mask;
877 return 0;
878}
879
880static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
881{
882 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
883 int codec = kcontrol->private_value & 3;
884 int lshift = (kcontrol->private_value >> 8) & 0x0f;
885 int rshift = (kcontrol->private_value >> 12) & 0x0f;
886 int mask = (kcontrol->private_value >> 16) & 0xff;
887
888 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
889 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
890 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
891 return 0;
892}
893
894static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
895{
896 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
897 int codec = kcontrol->private_value & 3;
898 int lshift = (kcontrol->private_value >> 8) & 0x0f;
899 int rshift = (kcontrol->private_value >> 12) & 0x0f;
900 int mask = (kcontrol->private_value >> 16) & 0xff;
901 unsigned short val, valmask;
902
903 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
904 valmask = mask << lshift;
905 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
906 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
907 valmask |= mask << rshift;
908 }
909 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
910}
911
912#define AD18XX_PCM_VOLUME(xname, codec) \
913{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
914 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
915 .private_value = codec }
916
917static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
918{
919 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
920 uinfo->count = 2;
921 uinfo->value.integer.min = 0;
922 uinfo->value.integer.max = 31;
923 return 0;
924}
925
926static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
927{
928 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
929 int codec = kcontrol->private_value & 3;
930
931 down(&ac97->page_mutex);
932 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
933 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
934 up(&ac97->page_mutex);
935 return 0;
936}
937
938static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
939{
940 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
941 int codec = kcontrol->private_value & 3;
942 unsigned short val1, val2;
943
944 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
945 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
946 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
947}
948
949static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = {
950AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
951AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
952};
953
954static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = {
955AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
956AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
957};
958
959static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = {
960AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
961AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
962};
963
964static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = {
965AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
966AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
967};
968
969/*
970 *
971 */
972
973static void snd_ac97_powerdown(ac97_t *ac97);
974
975static int snd_ac97_bus_free(ac97_bus_t *bus)
976{
977 if (bus) {
978 snd_ac97_bus_proc_done(bus);
979 kfree(bus->pcms);
980 if (bus->private_free)
981 bus->private_free(bus);
982 kfree(bus);
983 }
984 return 0;
985}
986
987static int snd_ac97_bus_dev_free(snd_device_t *device)
988{
989 ac97_bus_t *bus = device->device_data;
990 return snd_ac97_bus_free(bus);
991}
992
993static int snd_ac97_free(ac97_t *ac97)
994{
995 if (ac97) {
996 snd_ac97_proc_done(ac97);
997 if (ac97->bus) {
998 ac97->bus->codec[ac97->num] = NULL;
999 if (ac97->bus->shared_type) {
1000 down(&shared_codec_mutex);
1001 shared_codec[ac97->bus->shared_type-1][ac97->num] = NULL;
1002 up(&shared_codec_mutex);
1003 }
1004 }
1005 if (ac97->private_free)
1006 ac97->private_free(ac97);
1007 kfree(ac97);
1008 }
1009 return 0;
1010}
1011
1012static int snd_ac97_dev_free(snd_device_t *device)
1013{
1014 ac97_t *ac97 = device->device_data;
1015 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1016 return snd_ac97_free(ac97);
1017}
1018
1019static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg)
1020{
1021 unsigned short val, mask = 0x8000;
1022
1023 if (! snd_ac97_valid_reg(ac97, reg))
1024 return 0;
1025
1026 switch (reg) {
1027 case AC97_MASTER_TONE:
1028 return ac97->caps & 0x04 ? 1 : 0;
1029 case AC97_HEADPHONE:
1030 return ac97->caps & 0x10 ? 1 : 0;
1031 case AC97_REC_GAIN_MIC:
1032 return ac97->caps & 0x01 ? 1 : 0;
1033 case AC97_3D_CONTROL:
1034 if (ac97->caps & 0x7c00) {
1035 val = snd_ac97_read(ac97, reg);
1036 /* if nonzero - fixed and we can't set it */
1037 return val == 0;
1038 }
1039 return 0;
1040 case AC97_CENTER_LFE_MASTER: /* center */
1041 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1042 return 0;
1043 break;
1044 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1045 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1046 return 0;
1047 reg = AC97_CENTER_LFE_MASTER;
1048 mask = 0x0080;
1049 break;
1050 case AC97_SURROUND_MASTER:
1051 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1052 return 0;
1053 break;
1054 }
1055
1056 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1057 return 1; /* allow without check */
1058
1059 val = snd_ac97_read(ac97, reg);
1060 if (!(val & mask)) {
1061 /* nothing seems to be here - mute flag is not set */
1062 /* try another test */
1063 snd_ac97_write_cache(ac97, reg, val | mask);
1064 val = snd_ac97_read(ac97, reg);
1065 if (!(val & mask))
1066 return 0; /* nothing here */
1067 }
1068 return 1; /* success, useable */
1069}
1070
1071static void check_volume_resolution(ac97_t *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1072{
1073 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1074 unsigned char max[3] = { 63, 31, 15 };
1075 int i;
1076
1077 *lo_max = *hi_max = 0;
1078 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1079 unsigned short val;
1080 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1081 val = snd_ac97_read(ac97, reg);
a2142674 1082 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1083 *lo_max = max[i];
a2142674 1084 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1085 *hi_max = max[i];
1086 if (*lo_max && *hi_max)
1087 break;
1088 }
1089}
1090
1091int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit)
1092{
1093 unsigned short mask, val, orig, res;
1094
1095 mask = 1 << bit;
1096 orig = snd_ac97_read(ac97, reg);
1097 val = orig ^ mask;
1098 snd_ac97_write(ac97, reg, val);
1099 res = snd_ac97_read(ac97, reg);
1100 snd_ac97_write_cache(ac97, reg, orig);
1101 return res == val;
1102}
1103
1104/* check the volume resolution of center/lfe */
1105static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max)
1106{
1107 unsigned short val, val1;
1108
1109 *max = 63;
1110 val = 0x8080 | (0x20 << shift);
1111 snd_ac97_write(ac97, reg, val);
1112 val1 = snd_ac97_read(ac97, reg);
1113 if (val != val1) {
1114 *max = 31;
1115 }
1116 /* reset volume to zero */
1117 snd_ac97_write_cache(ac97, reg, 0x8080);
1118}
1119
1120static inline int printable(unsigned int x)
1121{
1122 x &= 0xff;
1123 if (x < ' ' || x >= 0x71) {
1124 if (x <= 0x89)
1125 return x - 0x71 + 'A';
1126 return '?';
1127 }
1128 return x;
1129}
1130
1131snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97)
1132{
1133 snd_kcontrol_new_t template;
1134 memcpy(&template, _template, sizeof(template));
1135 snd_runtime_check(!template.index, return NULL);
1136 template.index = ac97->num;
1137 return snd_ctl_new1(&template, ac97);
1138}
1139
1140/*
1141 * create mute switch(es) for normal stereo controls
1142 */
1143static int snd_ac97_cmute_new_stereo(snd_card_t *card, char *name, int reg, int check_stereo, ac97_t *ac97)
1144{
1145 snd_kcontrol_t *kctl;
1146 int err;
1147 unsigned short val, val1, mute_mask;
1148
1149 if (! snd_ac97_valid_reg(ac97, reg))
1150 return 0;
1151
1152 mute_mask = 0x8000;
1153 val = snd_ac97_read(ac97, reg);
1154 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1155 /* check whether both mute bits work */
1156 val1 = val | 0x8080;
1157 snd_ac97_write(ac97, reg, val1);
1158 if (val1 == snd_ac97_read(ac97, reg))
1159 mute_mask = 0x8080;
1160 }
1161 if (mute_mask == 0x8080) {
1162 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1163 tmp.index = ac97->num;
1164 kctl = snd_ctl_new1(&tmp, ac97);
1165 } else {
1166 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1167 tmp.index = ac97->num;
1168 kctl = snd_ctl_new1(&tmp, ac97);
1169 }
1170 err = snd_ctl_add(card, kctl);
1171 if (err < 0)
1172 return err;
1173 /* mute as default */
1174 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1175 return 0;
1176}
1177
1178/*
1179 * create a volume for normal stereo/mono controls
1180 */
1181static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int lo_max,
1182 unsigned int hi_max, ac97_t *ac97)
1183{
1184 int err;
1185 snd_kcontrol_t *kctl;
1186
1187 if (! snd_ac97_valid_reg(ac97, reg))
1188 return 0;
1189 if (hi_max) {
1190 /* invert */
1191 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1192 tmp.index = ac97->num;
1193 kctl = snd_ctl_new1(&tmp, ac97);
1194 } else {
1195 /* invert */
1196 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1197 tmp.index = ac97->num;
1198 kctl = snd_ctl_new1(&tmp, ac97);
1199 }
1200 err = snd_ctl_add(card, kctl);
1201 if (err < 0)
1202 return err;
1203 snd_ac97_write_cache(ac97, reg,
1204 (snd_ac97_read(ac97, reg) & 0x8080) |
1205 lo_max | (hi_max << 8));
1206 return 0;
1207}
1208
1209/*
1210 * create a mute-switch and a volume for normal stereo/mono controls
1211 */
1212static int snd_ac97_cmix_new_stereo(snd_card_t *card, const char *pfx, int reg, int check_stereo, ac97_t *ac97)
1213{
1214 int err;
1215 char name[44];
1216 unsigned char lo_max, hi_max;
1217
1218 if (! snd_ac97_valid_reg(ac97, reg))
1219 return 0;
1220
1221 if (snd_ac97_try_bit(ac97, reg, 15)) {
1222 sprintf(name, "%s Switch", pfx);
1223 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1224 return err;
1225 }
1226 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1227 if (lo_max) {
1228 sprintf(name, "%s Volume", pfx);
1229 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1230 return err;
1231 }
1232 return 0;
1233}
1234
1235#define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1236#define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1237
1238static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97);
1239
1240static int snd_ac97_mixer_build(ac97_t * ac97)
1241{
1242 snd_card_t *card = ac97->bus->card;
1243 snd_kcontrol_t *kctl;
1244 int err;
1245 unsigned int idx;
1246 unsigned char max;
1247
1248 /* build master controls */
1249 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1250 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1251 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1252 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1253 else
1254 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1255 if (err < 0)
1256 return err;
1257 }
1258
1259 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1260
1261 /* build center controls */
1262 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1263 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1264 return err;
1265 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1266 return err;
1267 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1268 kctl->private_value &= ~(0xff << 16);
1269 kctl->private_value |= (int)max << 16;
1270 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1271 }
1272
1273 /* build LFE controls */
1274 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1275 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1276 return err;
1277 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1278 return err;
1279 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1280 kctl->private_value &= ~(0xff << 16);
1281 kctl->private_value |= (int)max << 16;
1282 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1283 }
1284
1285 /* build surround controls */
1286 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1287 /* Surround Master (0x38) is with stereo mutes */
1288 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1289 return err;
1290 }
1291
1292 /* build headphone controls */
1293 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1294 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1295 return err;
1296 }
1297
1298 /* build master mono controls */
1299 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1300 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1301 return err;
1302 }
1303
1304 /* build master tone controls */
1305 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1306 for (idx = 0; idx < 2; idx++) {
1307 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1308 return err;
1309 if (ac97->id == AC97_ID_YMF753) {
1310 kctl->private_value &= ~(0xff << 16);
1311 kctl->private_value |= 7 << 16;
1312 }
1313 }
1314 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1315 }
1316
1317 /* build PC Speaker controls */
1318 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1319 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1320 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1321 for (idx = 0; idx < 2; idx++)
1322 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1323 return err;
1324 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1325 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1326 }
1327
1328 /* build Phone controls */
1329 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1330 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1331 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1332 return err;
1333 }
1334 }
1335
1336 /* build MIC controls */
1337 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1338 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1339 return err;
1340 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1341 return err;
1342 }
1343
1344 /* build Line controls */
1345 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1346 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1347 return err;
1348 }
1349
1350 /* build CD controls */
1351 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1352 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1353 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1354 return err;
1355 }
1356 }
1357
1358 /* build Video controls */
1359 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1360 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1361 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1362 return err;
1363 }
1364 }
1365
1366 /* build Aux controls */
1367 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1368 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1369 return err;
1370 }
1371
1372 /* build PCM controls */
1373 if (ac97->flags & AC97_AD_MULTI) {
1374 unsigned short init_val;
1375 if (ac97->flags & AC97_STEREO_MUTES)
1376 init_val = 0x9f9f;
1377 else
1378 init_val = 0x9f1f;
1379 for (idx = 0; idx < 2; idx++)
1380 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1381 return err;
1382 ac97->spec.ad18xx.pcmreg[0] = init_val;
1383 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1384 for (idx = 0; idx < 2; idx++)
1385 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1386 return err;
1387 ac97->spec.ad18xx.pcmreg[1] = init_val;
1388 }
1389 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1390 for (idx = 0; idx < 2; idx++)
1391 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1392 return err;
1393 for (idx = 0; idx < 2; idx++)
1394 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1395 return err;
1396 ac97->spec.ad18xx.pcmreg[2] = init_val;
1397 }
1398 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1399 } else {
1400 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1401 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1402 else
1403 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1404 if (err < 0)
1405 return err;
1406 }
1407
1408 /* build Capture controls */
1409 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1410 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1411 return err;
1412 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1413 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1414 return err;
1415 }
1416 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1417 return err;
1418 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1419 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1420 }
1421 /* build MIC Capture controls */
1422 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1423 for (idx = 0; idx < 2; idx++)
1424 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1425 return err;
1426 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1427 }
1428
1429 /* build PCM out path & mute control */
1430 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1431 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1432 return err;
1433 }
1434
1435 /* build Simulated Stereo Enhancement control */
1436 if (ac97->caps & 0x0008) {
1437 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1438 return err;
1439 }
1440
1441 /* build 3D Stereo Enhancement control */
1442 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1443 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1444 return err;
1445 }
1446
1447 /* build Loudness control */
1448 if (ac97->caps & 0x0020) {
1449 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1450 return err;
1451 }
1452
1453 /* build Mono output select control */
1454 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1455 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1456 return err;
1457 }
1458
1459 /* build Mic select control */
1460 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1461 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1462 return err;
1463 }
1464
1465 /* build ADC/DAC loopback control */
1466 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1467 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1468 return err;
1469 }
1470
1471 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1472
1473 /* build 3D controls */
1474 if (ac97->build_ops->build_3d) {
1475 ac97->build_ops->build_3d(ac97);
1476 } else {
1477 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1478 unsigned short val;
1479 val = 0x0707;
1480 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1481 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1482 val = val == 0x0606;
1483 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1484 return err;
1485 if (val)
1486 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1487 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1488 return err;
1489 if (val)
1490 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1491 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1492 }
1493 }
1494
1495 /* build S/PDIF controls */
1496 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1497 if (ac97->build_ops->build_spdif) {
1498 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1499 return err;
1500 } else {
1501 for (idx = 0; idx < 5; idx++)
1502 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1503 return err;
1504 if (ac97->build_ops->build_post_spdif) {
1505 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1506 return err;
1507 }
1508 /* set default PCM S/PDIF params */
1509 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1510 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1511 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1512 }
1513 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1514 }
1515
1516 /* build chip specific controls */
1517 if (ac97->build_ops->build_specific)
1518 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1519 return err;
1520
1521 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1522 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1523 if (! kctl)
1524 return -ENOMEM;
1525 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1526 set_inv_eapd(ac97, kctl);
1527 if ((err = snd_ctl_add(card, kctl)) < 0)
1528 return err;
1529 }
1530
1531 return 0;
1532}
1533
1534static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97)
1535{
87d61c29
SK		 1536 int err, idx;
1537
1da177e4
LT		 1538 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1539 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1540 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1541 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1542 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1543 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1544
1545 /* build modem switches */
1546 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1547 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1548 return err;
1549
1550 /* build chip specific controls */
1551 if (ac97->build_ops->build_specific)
1552 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1553 return err;
1554
1da177e4
LT		 1555 return 0;
1556}
1557
1558static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate)
1559{
1560 unsigned short val;
1561 unsigned int tmp;
1562
1563 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1564 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1565 if (shadow_reg)
1566 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1567 val = snd_ac97_read(ac97, reg);
1568 return val == (tmp & 0xffff);
1569}
1570
1571static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result)
1572{
1573 unsigned int result = 0;
1574 unsigned short saved;
1575
1576 if (ac97->bus->no_vra) {
1577 *r_result = SNDRV_PCM_RATE_48000;
1578 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1579 reg == AC97_PCM_FRONT_DAC_RATE)
1580 *r_result |= SNDRV_PCM_RATE_96000;
1581 return;
1582 }
1583
1584 saved = snd_ac97_read(ac97, reg);
1585 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1586 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1587 AC97_EA_DRA, 0);
1588 /* test a non-standard rate */
1589 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1590 result |= SNDRV_PCM_RATE_CONTINUOUS;
1591 /* let's try to obtain standard rates */
1592 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1593 result |= SNDRV_PCM_RATE_8000;
1594 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1595 result |= SNDRV_PCM_RATE_11025;
1596 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1597 result |= SNDRV_PCM_RATE_16000;
1598 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1599 result |= SNDRV_PCM_RATE_22050;
1600 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1601 result |= SNDRV_PCM_RATE_32000;
1602 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1603 result |= SNDRV_PCM_RATE_44100;
1604 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1605 result |= SNDRV_PCM_RATE_48000;
1606 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1607 reg == AC97_PCM_FRONT_DAC_RATE) {
1608 /* test standard double rates */
1609 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1610 AC97_EA_DRA, AC97_EA_DRA);
1611 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1612 result |= SNDRV_PCM_RATE_64000;
1613 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1614 result |= SNDRV_PCM_RATE_88200;
1615 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1616 result |= SNDRV_PCM_RATE_96000;
1617 /* some codecs don't support variable double rates */
1618 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1619 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1620 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1621 AC97_EA_DRA, 0);
1622 }
1623 /* restore the default value */
1624 snd_ac97_write_cache(ac97, reg, saved);
1625 if (shadow_reg)
1626 snd_ac97_write_cache(ac97, shadow_reg, saved);
1627 *r_result = result;
1628}
1629
1630/* check AC97_SPDIF register to accept which sample rates */
1631static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97)
1632{
1633 unsigned int result = 0;
1634 int i;
1635 static unsigned short ctl_bits[] = {
1636 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1637 };
1638 static unsigned int rate_bits[] = {
1639 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1640 };
1641
1642 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1643 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1644 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1645 result |= rate_bits[i];
1646 }
1647 return result;
1648}
1649
1650/* look for the codec id table matching with the given id */
1651static const ac97_codec_id_t *look_for_codec_id(const ac97_codec_id_t *table,
1652 unsigned int id)
1653{
1654 const ac97_codec_id_t *pid;
1655
1656 for (pid = table; pid->id; pid++)
1657 if (pid->id == (id & pid->mask))
1658 return pid;
1659 return NULL;
1660}
1661
1662void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem)
1663{
1664 const ac97_codec_id_t *pid;
1665
1666 sprintf(name, "0x%x %c%c%c", id,
1667 printable(id >> 24),
1668 printable(id >> 16),
1669 printable(id >> 8));
1670 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1671 if (! pid)
1672 return;
1673
1674 strcpy(name, pid->name);
1675 if (ac97 && pid->patch) {
1676 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1677 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1678 pid->patch(ac97);
1679 }
1680
1681 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1682 if (pid) {
1683 strcat(name, " ");
1684 strcat(name, pid->name);
1685 if (pid->mask != 0xffffffff)
1686 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1687 if (ac97 && pid->patch) {
1688 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1689 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1690 pid->patch(ac97);
1691 }
1692 } else
1693 sprintf(name + strlen(name), " id %x", id & 0xff);
1694}
1695
1696/**
1697 * snd_ac97_get_short_name - retrieve codec name
1698 * @ac97: the codec instance
1699 *
1700 * Returns the short identifying name of the codec.
1701 */
1702const char *snd_ac97_get_short_name(ac97_t *ac97)
1703{
1704 const ac97_codec_id_t *pid;
1705
1706 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1707 if (pid->id == (ac97->id & pid->mask))
1708 return pid->name;
1709 return "unknown codec";
1710}
1711
1712
1713/* wait for a while until registers are accessible after RESET
1714 * return 0 if ok, negative not ready
1715 */
1716static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
1717{
1718 unsigned long end_time;
1719 unsigned short val;
1720
1721 end_time = jiffies + timeout;
1722 do {
1723
1724 /* use preliminary reads to settle the communication */
1725 snd_ac97_read(ac97, AC97_RESET);
1726 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1727 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1728 /* modem? */
1729 if (with_modem) {
1730 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1731 if (val != 0xffff && (val & 1) != 0)
1732 return 0;
1733 }
1734 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1735 /* probably only Xbox issue - all registers are read as zero */
1736 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1737 if (val != 0 && val != 0xffff)
1738 return 0;
1739 } else {
1740 /* because the PCM or MASTER volume registers can be modified,
1741 * the REC_GAIN register is used for tests
1742 */
1743 /* test if we can write to the record gain volume register */
1744 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1745 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1746 return 0;
1747 }
1748 set_current_state(TASK_UNINTERRUPTIBLE);
1749 schedule_timeout(1);
1750 } while (time_after_eq(end_time, jiffies));
1751 return -ENODEV;
1752}
1753
1754/**
1755 * snd_ac97_bus - create an AC97 bus component
1756 * @card: the card instance
1757 * @num: the bus number
1758 * @ops: the bus callbacks table
1759 * @private_data: private data pointer for the new instance
1760 * @rbus: the pointer to store the new AC97 bus instance.
1761 *
1762 * Creates an AC97 bus component. An ac97_bus_t instance is newly
1763 * allocated and initialized.
1764 *
1765 * The ops table must include valid callbacks (at least read and
1766 * write). The other callbacks, wait and reset, are not mandatory.
1767 *
1768 * The clock is set to 48000. If another clock is needed, set
1769 * (*rbus)->clock manually.
1770 *
1771 * The AC97 bus instance is registered as a low-level device, so you don't
1772 * have to release it manually.
1773 *
1774 * Returns zero if successful, or a negative error code on failure.
1775 */
1776int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
1777 void *private_data, ac97_bus_t **rbus)
1778{
1779 int err;
1780 ac97_bus_t *bus;
1781 static snd_device_ops_t dev_ops = {
1782 .dev_free = snd_ac97_bus_dev_free,
1783 };
1784
1785 snd_assert(card != NULL, return -EINVAL);
1786 snd_assert(rbus != NULL, return -EINVAL);
1787 bus = kcalloc(1, sizeof(*bus), GFP_KERNEL);
1788 if (bus == NULL)
1789 return -ENOMEM;
1790 bus->card = card;
1791 bus->num = num;
1792 bus->ops = ops;
1793 bus->private_data = private_data;
1794 bus->clock = 48000;
1795 spin_lock_init(&bus->bus_lock);
1796 snd_ac97_bus_proc_init(bus);
1797 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1798 snd_ac97_bus_free(bus);
1799 return err;
1800 }
1801 *rbus = bus;
1802 return 0;
1803}
1804
1805/* build_ops to do nothing */
1806static struct snd_ac97_build_ops null_build_ops;
1807
1808/**
1809 * snd_ac97_mixer - create an Codec97 component
1810 * @bus: the AC97 bus which codec is attached to
1811 * @template: the template of ac97, including index, callbacks and
1812 * the private data.
1813 * @rac97: the pointer to store the new ac97 instance.
1814 *
1815 * Creates an Codec97 component. An ac97_t instance is newly
1816 * allocated and initialized from the template. The codec
1817 * is then initialized by the standard procedure.
1818 *
1819 * The template must include the codec number (num) and address (addr),
1820 * and the private data (private_data).
1821 *
1822 * The ac97 instance is registered as a low-level device, so you don't
1823 * have to release it manually.
1824 *
1825 * Returns zero if successful, or a negative error code on failure.
1826 */
1827int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
1828{
1829 int err;
1830 ac97_t *ac97;
1831 snd_card_t *card;
1832 char name[64];
1833 unsigned long end_time;
1834 unsigned int reg;
1835 const ac97_codec_id_t *pid;
1836 static snd_device_ops_t ops = {
1837 .dev_free = snd_ac97_dev_free,
1838 };
1839
1840 snd_assert(rac97 != NULL, return -EINVAL);
1841 *rac97 = NULL;
1842 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1843 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1844
1845 snd_assert(bus->shared_type <= AC97_SHARED_TYPES, return -EINVAL);
1846 if (bus->shared_type) {
1847 /* already shared? */
1848 down(&shared_codec_mutex);
1849 ac97 = shared_codec[bus->shared_type-1][template->num];
1850 if (ac97) {
1851 if ((ac97_is_audio(ac97) && (template->scaps & AC97_SCAP_SKIP_AUDIO)) ||
1852 (ac97_is_modem(ac97) && (template->scaps & AC97_SCAP_SKIP_MODEM))) {
1853 up(&shared_codec_mutex);
1854 return -EACCES; /* skip this */
1855 }
1856 }
1857 up(&shared_codec_mutex);
1858 }
1859
1860 card = bus->card;
1861 ac97 = kcalloc(1, sizeof(*ac97), GFP_KERNEL);
1862 if (ac97 == NULL)
1863 return -ENOMEM;
1864 ac97->private_data = template->private_data;
1865 ac97->private_free = template->private_free;
1866 ac97->bus = bus;
1867 ac97->pci = template->pci;
1868 ac97->num = template->num;
1869 ac97->addr = template->addr;
1870 ac97->scaps = template->scaps;
1871 ac97->limited_regs = template->limited_regs;
1872 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1873 bus->codec[ac97->num] = ac97;
1874 init_MUTEX(&ac97->reg_mutex);
1875 init_MUTEX(&ac97->page_mutex);
1876
1877 if (ac97->pci) {
1878 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1879 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1880 }
1881 if (bus->ops->reset) {
1882 bus->ops->reset(ac97);
1883 goto __access_ok;
1884 }
1885
1886 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1887 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1888 if (ac97->id && ac97->id != (unsigned int)-1) {
1889 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1890 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1891 goto __access_ok;
1892 }
1893
23fea4da
SK		 1894 /* reset to defaults */
1895 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1896 snd_ac97_write(ac97, AC97_RESET, 0);
1897 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1898 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 1899 if (bus->ops->wait)
1900 bus->ops->wait(ac97);
1901 else {
1902 udelay(50);
1903 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1904 err = ac97_reset_wait(ac97, HZ/2, 1);
1905 else {
1906 err = ac97_reset_wait(ac97, HZ/2, 0);
1907 if (err < 0)
1908 err = ac97_reset_wait(ac97, HZ/2, 1);
1909 }
1910 if (err < 0) {
1911 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1912 /* proceed anyway - it's often non-critical */
1913 }
1914 }
1915 __access_ok:
1916 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1917 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1918 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1919 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1920 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1921 snd_ac97_free(ac97);
1922 return -EIO;
1923 }
1924 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1925 if (pid)
1926 ac97->flags |= pid->flags;
1927
1928 /* test for AC'97 */
1929 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1930 /* test if we can write to the record gain volume register */
1931 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1932 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1933 ac97->scaps |= AC97_SCAP_AUDIO;
1934 }
1935 if (ac97->scaps & AC97_SCAP_AUDIO) {
1936 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1937 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1938 if (ac97->ext_id == 0xffff) /* invalid combination */
1939 ac97->ext_id = 0;
1940 }
1941
1942 /* test for MC'97 */
1943 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1944 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1945 if (ac97->ext_mid == 0xffff) /* invalid combination */
1946 ac97->ext_mid = 0;
1947 if (ac97->ext_mid & 1)
1948 ac97->scaps |= AC97_SCAP_MODEM;
1949 }
1950
1951 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1952 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1953 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1954 snd_ac97_free(ac97);
1955 return -EACCES;
1956 }
1957
1958 if (bus->ops->reset) // FIXME: always skipping?
1959 goto __ready_ok;
1960
1961 /* FIXME: add powerdown control */
1962 if (ac97_is_audio(ac97)) {
1963 /* nothing should be in powerdown mode */
1964 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1965 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1966 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1967 udelay(100);
1968 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1969 }
1970 /* nothing should be in powerdown mode */
1971 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1972 end_time = jiffies + (HZ / 10);
1973 do {
1974 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1975 goto __ready_ok;
1976 set_current_state(TASK_UNINTERRUPTIBLE);
1977 schedule_timeout(1);
1978 } while (time_after_eq(end_time, jiffies));
1979 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1980 }
1981
1982 /* FIXME: add powerdown control */
1983 if (ac97_is_modem(ac97)) {
1984 unsigned char tmp;
1985
1986 /* nothing should be in powerdown mode */
1987 /* note: it's important to set the rate at first */
1988 tmp = AC97_MEA_GPIO;
1989 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 1990 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 1991 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
1992 }
1993 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 1994 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 1995 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
1996 }
1997 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 1998 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 1999 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2000 }
8e8311b0 2001 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2002 udelay(100);
2003 /* nothing should be in powerdown mode */
8e8311b0 2004 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2005 end_time = jiffies + (HZ / 10);
2006 do {
2007 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2008 goto __ready_ok;
2009 set_current_state(TASK_UNINTERRUPTIBLE);
2010 schedule_timeout(1);
2011 } while (time_after_eq(end_time, jiffies));
2012 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2013 }
2014
2015 __ready_ok:
2016 if (ac97_is_audio(ac97))
2017 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2018 else
2019 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2020 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2021 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2022 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2023 if (! bus->no_vra)
2024 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2025 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2026 }
2027 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2028 /* Intel controllers require double rate data to be put in
2029 * slots 7+8, so let's hope the codec supports it. */
2030 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2031 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2032 ac97->flags |= AC97_DOUBLE_RATE;
2033 }
2034 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2035 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2036 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2037 } else {
2038 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2039 if (ac97->flags & AC97_DOUBLE_RATE)
2040 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2041 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2042 }
2043 if (ac97->ext_id & AC97_EI_SPDIF) {
2044 /* codec specific code (patch) should override these values */
2045 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2046 }
2047 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2048 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2049 } else {
2050 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2051 }
2052 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2053 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2054 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2055 }
2056 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2057 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2058 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2059 }
2060 /* additional initializations */
2061 if (bus->ops->init)
2062 bus->ops->init(ac97);
2063 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2064 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2065 if (! ac97->build_ops)
2066 ac97->build_ops = &null_build_ops;
2067
2068 if (ac97_is_audio(ac97)) {
2069 char comp[16];
2070 if (card->mixername[0] == '\0') {
2071 strcpy(card->mixername, name);
2072 } else {
2073 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2074 strcat(card->mixername, ",");
2075 strcat(card->mixername, name);
2076 }
2077 }
2078 sprintf(comp, "AC97a:%08x", ac97->id);
2079 if ((err = snd_component_add(card, comp)) < 0) {
2080 snd_ac97_free(ac97);
2081 return err;
2082 }
2083 if (snd_ac97_mixer_build(ac97) < 0) {
2084 snd_ac97_free(ac97);
2085 return -ENOMEM;
2086 }
2087 }
2088 if (ac97_is_modem(ac97)) {
2089 char comp[16];
2090 if (card->mixername[0] == '\0') {
2091 strcpy(card->mixername, name);
2092 } else {
2093 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2094 strcat(card->mixername, ",");
2095 strcat(card->mixername, name);
2096 }
2097 }
2098 sprintf(comp, "AC97m:%08x", ac97->id);
2099 if ((err = snd_component_add(card, comp)) < 0) {
2100 snd_ac97_free(ac97);
2101 return err;
2102 }
2103 if (snd_ac97_modem_build(card, ac97) < 0) {
2104 snd_ac97_free(ac97);
2105 return -ENOMEM;
2106 }
2107 }
2108 /* make sure the proper powerdown bits are cleared */
2109 if (ac97->scaps) {
2110 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2111 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2112 reg &= ~AC97_EA_PRJ;
2113 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2114 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2115 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2116 }
2117 snd_ac97_proc_init(ac97);
2118 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2119 snd_ac97_free(ac97);
2120 return err;
2121 }
2122 *rac97 = ac97;
2123
2124 if (bus->shared_type) {
2125 down(&shared_codec_mutex);
2126 shared_codec[bus->shared_type-1][ac97->num] = ac97;
2127 up(&shared_codec_mutex);
2128 }
2129
2130 return 0;
2131}
2132
2133
2134/*
2135 * Power down the chip.
2136 *
2137 * MASTER and HEADPHONE registers are muted but the register cache values
2138 * are not changed, so that the values can be restored in snd_ac97_resume().
2139 */
2140static void snd_ac97_powerdown(ac97_t *ac97)
2141{
2142 unsigned short power;
2143
2144 if (ac97_is_audio(ac97)) {
2145 /* some codecs have stereo mute bits */
2146 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2147 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2148 }
2149
2150 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2151 power |= 0x4000; /* Headphone amplifier powerdown */
2152 power |= 0x0300; /* ADC & DAC powerdown */
2153 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2154 udelay(100);
2155 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2156 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2157 udelay(100);
2158#if 0
2159 /* FIXME: this causes click noises on some boards at resume */
2160 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2161 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2162#endif
2163}
2164
2165
2166#ifdef CONFIG_PM
2167/**
2168 * snd_ac97_suspend - General suspend function for AC97 codec
2169 * @ac97: the ac97 instance
2170 *
2171 * Suspends the codec, power down the chip.
2172 */
2173void snd_ac97_suspend(ac97_t *ac97)
2174{
2175 if (ac97->build_ops->suspend)
2176 ac97->build_ops->suspend(ac97);
2177 snd_ac97_powerdown(ac97);
2178}
2179
2180/*
2181 * restore ac97 status
2182 */
2183void snd_ac97_restore_status(ac97_t *ac97)
2184{
2185 int i;
2186
2187 for (i = 2; i < 0x7c ; i += 2) {
2188 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2189 continue;
2190 /* restore only accessible registers
2191 * some chip (e.g. nm256) may hang up when unsupported registers
2192 * are accessed..!
2193 */
2194 if (test_bit(i, ac97->reg_accessed)) {
2195 snd_ac97_write(ac97, i, ac97->regs[i]);
2196 snd_ac97_read(ac97, i);
2197 }
2198 }
2199}
2200
2201/*
2202 * restore IEC958 status
2203 */
2204void snd_ac97_restore_iec958(ac97_t *ac97)
2205{
2206 if (ac97->ext_id & AC97_EI_SPDIF) {
2207 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2208 /* reset spdif status */
2209 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2210 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2211 if (ac97->flags & AC97_CS_SPDIF)
2212 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2213 else
2214 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2215 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2216 }
2217 }
2218}
2219
2220/**
2221 * snd_ac97_resume - General resume function for AC97 codec
2222 * @ac97: the ac97 instance
2223 *
2224 * Do the standard resume procedure, power up and restoring the
2225 * old register values.
2226 */
2227void snd_ac97_resume(ac97_t *ac97)
2228{
2229 int i;
ef21ca24 2230 unsigned long end_time;
1da177e4
LT		 2231
2232 if (ac97->bus->ops->reset) {
2233 ac97->bus->ops->reset(ac97);
2234 goto __reset_ready;
2235 }
2236
2237 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2238 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2239 snd_ac97_write(ac97, AC97_RESET, 0);
2240 udelay(100);
2241 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2242 }
2243 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2244
2245 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2246 if (ac97_is_audio(ac97)) {
2247 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
ef21ca24
NA		 2248 end_time = jiffies + msecs_to_jiffies(100);
2249 do {
1da177e4
LT		 2250 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2251 break;
2252 set_current_state(TASK_UNINTERRUPTIBLE);
2253 schedule_timeout(1);
ef21ca24 2254 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2255 /* FIXME: extra delay */
2256 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
ef21ca24
NA		 2257 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2258 msleep(250);
1da177e4 2259 } else {
ef21ca24
NA		 2260 end_time = jiffies + msecs_to_jiffies(100);
2261 do {
1da177e4
LT		 2262 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2263 if (val != 0xffff && (val & 1) != 0)
2264 break;
2265 set_current_state(TASK_UNINTERRUPTIBLE);
2266 schedule_timeout(1);
ef21ca24 2267 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2268 }
2269__reset_ready:
2270
2271 if (ac97->bus->ops->init)
2272 ac97->bus->ops->init(ac97);
2273
2274 if (ac97->build_ops->resume)
2275 ac97->build_ops->resume(ac97);
2276 else {
2277 snd_ac97_restore_status(ac97);
2278 snd_ac97_restore_iec958(ac97);
2279 }
2280}
2281#endif
2282
2283
2284/*
2285 * Hardware tuning
2286 */
2287static void set_ctl_name(char *dst, const char *src, const char *suffix)
2288{
2289 if (suffix)
2290 sprintf(dst, "%s %s", src, suffix);
2291 else
2292 strcpy(dst, src);
2293}
2294
2295/* remove the control with the given name and optional suffix */
2296int snd_ac97_remove_ctl(ac97_t *ac97, const char *name, const char *suffix)
2297{
2298 snd_ctl_elem_id_t id;
2299 memset(&id, 0, sizeof(id));
2300 set_ctl_name(id.name, name, suffix);
2301 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2302 return snd_ctl_remove_id(ac97->bus->card, &id);
2303}
2304
2305static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name, const char *suffix)
2306{
2307 snd_ctl_elem_id_t sid;
2308 memset(&sid, 0, sizeof(sid));
2309 set_ctl_name(sid.name, name, suffix);
2310 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2311 return snd_ctl_find_id(ac97->bus->card, &sid);
2312}
2313
2314/* rename the control with the given name and optional suffix */
2315int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const char *suffix)
2316{
2317 snd_kcontrol_t *kctl = ctl_find(ac97, src, suffix);
2318 if (kctl) {
2319 set_ctl_name(kctl->id.name, dst, suffix);
2320 return 0;
2321 }
2322 return -ENOENT;
2323}
2324
2325/* rename both Volume and Switch controls - don't check the return value */
2326void snd_ac97_rename_vol_ctl(ac97_t *ac97, const char *src, const char *dst)
2327{
2328 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2329 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2330}
2331
2332/* swap controls */
2333int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *suffix)
2334{
2335 snd_kcontrol_t *kctl1, *kctl2;
2336 kctl1 = ctl_find(ac97, s1, suffix);
2337 kctl2 = ctl_find(ac97, s2, suffix);
2338 if (kctl1 && kctl2) {
2339 set_ctl_name(kctl1->id.name, s2, suffix);
2340 set_ctl_name(kctl2->id.name, s1, suffix);
2341 return 0;
2342 }
2343 return -ENOENT;
2344}
2345
2346#if 1
2347/* bind hp and master controls instead of using only hp control */
2348static int bind_hp_volsw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2349{
2350 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2351 if (err > 0) {
2352 unsigned long priv_saved = kcontrol->private_value;
2353 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2354 snd_ac97_put_volsw(kcontrol, ucontrol);
2355 kcontrol->private_value = priv_saved;
2356 }
2357 return err;
2358}
2359
2360/* ac97 tune: bind Master and Headphone controls */
2361static int tune_hp_only(ac97_t *ac97)
2362{
2363 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2364 snd_kcontrol_t *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2365 if (! msw || ! mvol)
2366 return -ENOENT;
2367 msw->put = bind_hp_volsw_put;
2368 mvol->put = bind_hp_volsw_put;
2369 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2370 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2371 return 0;
2372}
2373
2374#else
2375/* ac97 tune: use Headphone control as master */
2376static int tune_hp_only(ac97_t *ac97)
2377{
2378 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2379 return -ENOENT;
2380 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2381 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2382 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2383 return 0;
2384}
2385#endif
2386
2387/* ac97 tune: swap Headphone and Master controls */
2388static int tune_swap_hp(ac97_t *ac97)
2389{
2390 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2391 return -ENOENT;
2392 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2393 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2394 return 0;
2395}
2396
2397/* ac97 tune: swap Surround and Master controls */
2398static int tune_swap_surround(ac97_t *ac97)
2399{
2400 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2401 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2402 return -ENOENT;
2403 return 0;
2404}
2405
2406/* ac97 tune: set up mic sharing for AD codecs */
2407static int tune_ad_sharing(ac97_t *ac97)
2408{
2409 unsigned short scfg;
2410 if ((ac97->id & 0xffffff00) != 0x41445300) {
2411 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2412 return -EINVAL;
2413 }
2414 /* Turn on OMS bit to route microphone to back panel */
2415 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2416 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2417 return 0;
2418}
2419
2420static const snd_kcontrol_new_t snd_ac97_alc_jack_detect =
2421AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2422
2423/* ac97 tune: set up ALC jack-select */
2424static int tune_alc_jack(ac97_t *ac97)
2425{
2426 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2427 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2428 return -EINVAL;
2429 }
2430 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2431 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2432 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2433}
2434
2435/* ac97 tune: inversed EAPD bit */
2436static int tune_inv_eapd(ac97_t *ac97)
2437{
2438 snd_kcontrol_t *kctl = ctl_find(ac97, "External Amplifier", NULL);
2439 if (! kctl)
2440 return -ENOENT;
2441 set_inv_eapd(ac97, kctl);
2442 return 0;
2443}
2444
2445static int master_mute_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2446{
2447 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2448 if (err > 0) {
2449 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
2450 int shift = (kcontrol->private_value >> 8) & 0x0f;
2451 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2452 unsigned short mask;
2453 if (shift != rshift)
2454 mask = 0x8080;
2455 else
2456 mask = 0x8000;
2457 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2458 (ac97->regs[AC97_MASTER] & mask) == mask ?
2459 0x8000 : 0);
2460 }
2461 return err;
2462}
2463
2464/* ac97 tune: EAPD controls mute LED bound with the master mute */
2465static int tune_mute_led(ac97_t *ac97)
2466{
2467 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2468 if (! msw)
2469 return -ENOENT;
2470 msw->put = master_mute_sw_put;
2471 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2472 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2473 return 0;
2474}
2475
2476struct quirk_table {
2477 const char *name;
2478 int (*func)(ac97_t *);
2479};
2480
2481static struct quirk_table applicable_quirks[] = {
2482 { "none", NULL },
2483 { "hp_only", tune_hp_only },
2484 { "swap_hp", tune_swap_hp },
2485 { "swap_surround", tune_swap_surround },
2486 { "ad_sharing", tune_ad_sharing },
2487 { "alc_jack", tune_alc_jack },
2488 { "inv_eapd", tune_inv_eapd },
2489 { "mute_led", tune_mute_led },
2490};
2491
2492/* apply the quirk with the given type */
2493static int apply_quirk(ac97_t *ac97, int type)
2494{
2495 if (type <= 0)
2496 return 0;
2497 else if (type >= ARRAY_SIZE(applicable_quirks))
2498 return -EINVAL;
2499 if (applicable_quirks[type].func)
2500 return applicable_quirks[type].func(ac97);
2501 return 0;
2502}
2503
2504/* apply the quirk with the given name */
2505static int apply_quirk_str(ac97_t *ac97, const char *typestr)
2506{
2507 int i;
2508 struct quirk_table *q;
2509
2510 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2511 q = &applicable_quirks[i];
2512 if (q->name && ! strcmp(typestr, q->name))
2513 return apply_quirk(ac97, i);
2514 }
2515 /* for compatibility, accept the numbers, too */
2516 if (*typestr >= '0' && *typestr <= '9')
2517 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2518 return -EINVAL;
2519}
2520
2521/**
2522 * snd_ac97_tune_hardware - tune up the hardware
2523 * @ac97: the ac97 instance
2524 * @quirk: quirk list
2525 * @override: explicit quirk value (overrides the list if non-NULL)
2526 *
2527 * Do some workaround for each pci device, such as renaming of the
2528 * headphone (true line-out) control as "Master".
2529 * The quirk-list must be terminated with a zero-filled entry.
2530 *
2531 * Returns zero if successful, or a negative error code on failure.
2532 */
2533
2534int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override)
2535{
2536 int result;
2537
2538 snd_assert(quirk, return -EINVAL);
2539
2540 /* quirk overriden? */
2541 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2542 result = apply_quirk_str(ac97, override);
2543 if (result < 0)
2544 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2545 return result;
2546 }
2547
69ad07cf
JK		 2548 for (; quirk->subvendor; quirk++) {
2549 if (quirk->subvendor != ac97->subsystem_vendor)
1da177e4 2550 continue;
69ad07cf
JK		 2551 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2552 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
1da177e4
LT		 2553 if (quirk->codec_id && quirk->codec_id != ac97->id)
2554 continue;
2555 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2556 result = apply_quirk(ac97, quirk->type);
2557 if (result < 0)
2558 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2559 return result;
2560 }
2561 }
2562 return 0;
2563}
2564
2565
2566/*
2567 * Exported symbols
2568 */
2569
2570EXPORT_SYMBOL(snd_ac97_write);
2571EXPORT_SYMBOL(snd_ac97_read);
2572EXPORT_SYMBOL(snd_ac97_write_cache);
2573EXPORT_SYMBOL(snd_ac97_update);
2574EXPORT_SYMBOL(snd_ac97_update_bits);
2575EXPORT_SYMBOL(snd_ac97_get_short_name);
2576EXPORT_SYMBOL(snd_ac97_bus);
2577EXPORT_SYMBOL(snd_ac97_mixer);
2578EXPORT_SYMBOL(snd_ac97_pcm_assign);
2579EXPORT_SYMBOL(snd_ac97_pcm_open);
2580EXPORT_SYMBOL(snd_ac97_pcm_close);
2581EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2582EXPORT_SYMBOL(snd_ac97_tune_hardware);
2583EXPORT_SYMBOL(snd_ac97_set_rate);
2584#ifdef CONFIG_PM
2585EXPORT_SYMBOL(snd_ac97_resume);
2586EXPORT_SYMBOL(snd_ac97_suspend);
2587#endif
2588
2589/*
2590 * INIT part
2591 */
2592
2593static int __init alsa_ac97_init(void)
2594{
2595 return 0;
2596}
2597
2598static void __exit alsa_ac97_exit(void)
2599{
2600}
2601
2602module_init(alsa_ac97_init)
2603module_exit(alsa_ac97_exit)
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