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[net-next-2.6.git] / sound / pci / ac97 / ac97_codec.c
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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
4b499486 160{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
1da177e4
LT		 161{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
162{ 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
163{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
164{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
165{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
166{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
167{ 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
168{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
169{ 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
170{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
171{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
172{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
173{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
174{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
175{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
176{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
177{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
178{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
179{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
180{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
181{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
182{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
183{ 0, 0, NULL, NULL, NULL }
184};
185
186const char *snd_ac97_stereo_enhancements[] =
187{
188 /* 0 */ "No 3D Stereo Enhancement",
189 /* 1 */ "Analog Devices Phat Stereo",
190 /* 2 */ "Creative Stereo Enhancement",
191 /* 3 */ "National Semi 3D Stereo Enhancement",
192 /* 4 */ "YAMAHA Ymersion",
193 /* 5 */ "BBE 3D Stereo Enhancement",
194 /* 6 */ "Crystal Semi 3D Stereo Enhancement",
195 /* 7 */ "Qsound QXpander",
196 /* 8 */ "Spatializer 3D Stereo Enhancement",
197 /* 9 */ "SRS 3D Stereo Enhancement",
198 /* 10 */ "Platform Tech 3D Stereo Enhancement",
199 /* 11 */ "AKM 3D Audio",
200 /* 12 */ "Aureal Stereo Enhancement",
201 /* 13 */ "Aztech 3D Enhancement",
202 /* 14 */ "Binaura 3D Audio Enhancement",
203 /* 15 */ "ESS Technology Stereo Enhancement",
204 /* 16 */ "Harman International VMAx",
205 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
206 /* 18 */ "Philips Incredible Sound",
207 /* 19 */ "Texas Instruments 3D Stereo Enhancement",
208 /* 20 */ "VLSI Technology 3D Stereo Enhancement",
209 /* 21 */ "TriTech 3D Stereo Enhancement",
210 /* 22 */ "Realtek 3D Stereo Enhancement",
211 /* 23 */ "Samsung 3D Stereo Enhancement",
212 /* 24 */ "Wolfson Microelectronics 3D Enhancement",
213 /* 25 */ "Delta Integration 3D Enhancement",
214 /* 26 */ "SigmaTel 3D Enhancement",
215 /* 27 */ "IC Ensemble/KS Waves",
216 /* 28 */ "Rockwell 3D Stereo Enhancement",
217 /* 29 */ "Reserved 29",
218 /* 30 */ "Reserved 30",
219 /* 31 */ "Reserved 31"
220};
221
222/*
223 * Shared AC97 controllers (ICH, ATIIXP...)
224 */
225static DECLARE_MUTEX(shared_codec_mutex);
226static ac97_t *shared_codec[AC97_SHARED_TYPES][4];
227
228
229/*
230 * I/O routines
231 */
232
233static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg)
234{
235 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
236 return 0;
237
238 /* filter some registers for buggy codecs */
239 switch (ac97->id) {
240 case AC97_ID_AK4540:
241 case AC97_ID_AK4542:
242 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
243 return 1;
244 return 0;
245 case AC97_ID_AD1819: /* AD1819 */
246 case AC97_ID_AD1881: /* AD1881 */
247 case AC97_ID_AD1881A: /* AD1881A */
248 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
249 return 0;
250 return 1;
251 case AC97_ID_AD1885: /* AD1885 */
252 case AC97_ID_AD1886: /* AD1886 */
253 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
254 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
255 if (reg == 0x5a)
256 return 1;
257 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
258 return 0;
259 return 1;
260 case AC97_ID_STAC9700:
261 case AC97_ID_STAC9704:
262 case AC97_ID_STAC9705:
263 case AC97_ID_STAC9708:
264 case AC97_ID_STAC9721:
265 case AC97_ID_STAC9744:
266 case AC97_ID_STAC9756:
267 if (reg <= 0x3a || reg >= 0x5a)
268 return 1;
269 return 0;
270 }
271 return 1;
272}
273
274/**
275 * snd_ac97_write - write a value on the given register
276 * @ac97: the ac97 instance
277 * @reg: the register to change
278 * @value: the value to set
279 *
280 * Writes a value on the given register. This will invoke the write
281 * callback directly after the register check.
282 * This function doesn't change the register cache unlike
283 * #snd_ca97_write_cache(), so use this only when you don't want to
284 * reflect the change to the suspend/resume state.
285 */
286void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value)
287{
288 if (!snd_ac97_valid_reg(ac97, reg))
289 return;
290 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
291 /* Fix H/W bug of ALC100/100P */
292 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
293 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
294 }
295 ac97->bus->ops->write(ac97, reg, value);
296}
297
298/**
299 * snd_ac97_read - read a value from the given register
300 *
301 * @ac97: the ac97 instance
302 * @reg: the register to read
303 *
304 * Reads a value from the given register. This will invoke the read
305 * callback directly after the register check.
306 *
307 * Returns the read value.
308 */
309unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg)
310{
311 if (!snd_ac97_valid_reg(ac97, reg))
312 return 0;
313 return ac97->bus->ops->read(ac97, reg);
314}
315
316/* read a register - return the cached value if already read */
317static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short reg)
318{
319 if (! test_bit(reg, ac97->reg_accessed)) {
320 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
321 // set_bit(reg, ac97->reg_accessed);
322 }
323 return ac97->regs[reg];
324}
325
326/**
327 * snd_ac97_write_cache - write a value on the given register and update the cache
328 * @ac97: the ac97 instance
329 * @reg: the register to change
330 * @value: the value to set
331 *
332 * Writes a value on the given register and updates the register
333 * cache. The cached values are used for the cached-read and the
334 * suspend/resume.
335 */
336void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value)
337{
338 if (!snd_ac97_valid_reg(ac97, reg))
339 return;
340 down(&ac97->reg_mutex);
341 ac97->regs[reg] = value;
342 ac97->bus->ops->write(ac97, reg, value);
343 set_bit(reg, ac97->reg_accessed);
344 up(&ac97->reg_mutex);
345}
346
347/**
348 * snd_ac97_update - update the value on the given register
349 * @ac97: the ac97 instance
350 * @reg: the register to change
351 * @value: the value to set
352 *
353 * Compares the value with the register cache and updates the value
354 * only when the value is changed.
355 *
356 * Returns 1 if the value is changed, 0 if no change, or a negative
357 * code on failure.
358 */
359int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value)
360{
361 int change;
362
363 if (!snd_ac97_valid_reg(ac97, reg))
364 return -EINVAL;
365 down(&ac97->reg_mutex);
366 change = ac97->regs[reg] != value;
367 if (change) {
368 ac97->regs[reg] = value;
369 ac97->bus->ops->write(ac97, reg, value);
370 }
52b72388 371 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 372 up(&ac97->reg_mutex);
373 return change;
374}
375
376/**
377 * snd_ac97_update_bits - update the bits on the given register
378 * @ac97: the ac97 instance
379 * @reg: the register to change
380 * @mask: the bit-mask to change
381 * @value: the value to set
382 *
383 * Updates the masked-bits on the given register only when the value
384 * is changed.
385 *
386 * Returns 1 if the bits are changed, 0 if no change, or a negative
387 * code on failure.
388 */
389int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value)
390{
391 int change;
392
393 if (!snd_ac97_valid_reg(ac97, reg))
394 return -EINVAL;
395 down(&ac97->reg_mutex);
396 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
397 up(&ac97->reg_mutex);
398 return change;
399}
400
401/* no lock version - see snd_ac97_updat_bits() */
402int snd_ac97_update_bits_nolock(ac97_t *ac97, unsigned short reg,
403 unsigned short mask, unsigned short value)
404{
405 int change;
406 unsigned short old, new;
407
408 old = snd_ac97_read_cache(ac97, reg);
409 new = (old & ~mask) | value;
410 change = old != new;
411 if (change) {
412 ac97->regs[reg] = new;
413 ac97->bus->ops->write(ac97, reg, new);
414 }
52b72388 415 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 416 return change;
417}
418
419static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value)
420{
421 int change;
422 unsigned short old, new, cfg;
423
424 down(&ac97->page_mutex);
425 old = ac97->spec.ad18xx.pcmreg[codec];
426 new = (old & ~mask) | value;
427 change = old != new;
428 if (change) {
429 down(&ac97->reg_mutex);
430 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
431 ac97->spec.ad18xx.pcmreg[codec] = new;
432 /* select single codec */
433 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
434 (cfg & ~0x7000) |
435 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
436 /* update PCM bits */
437 ac97->bus->ops->write(ac97, AC97_PCM, new);
438 /* select all codecs */
439 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
440 cfg | 0x7000);
441 up(&ac97->reg_mutex);
442 }
443 up(&ac97->page_mutex);
444 return change;
445}
446
447/*
448 * Controls
449 */
450
451int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
452{
453 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
454
455 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
456 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
457 uinfo->value.enumerated.items = e->mask;
458
459 if (uinfo->value.enumerated.item > e->mask - 1)
460 uinfo->value.enumerated.item = e->mask - 1;
461 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
462 return 0;
463}
464
465int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
466{
467 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
468 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 469 unsigned short val, bitmask;
1da177e4 470
b16760bb 471 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 472 ;
1da177e4 473 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 474 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 475 if (e->shift_l != e->shift_r)
5f0dccf8 476 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 477
478 return 0;
479}
480
481int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
482{
483 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
484 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
485 unsigned short val;
5f0dccf8 486 unsigned short mask, bitmask;
1da177e4 487
b16760bb 488 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 489 ;
1da177e4
LT		 490 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
491 return -EINVAL;
492 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 493 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 494 if (e->shift_l != e->shift_r) {
495 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
496 return -EINVAL;
497 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 498 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 499 }
500 return snd_ac97_update_bits(ac97, e->reg, mask, val);
501}
502
503/* save/restore ac97 v2.3 paging */
504static int snd_ac97_page_save(ac97_t *ac97, int reg, snd_kcontrol_t *kcontrol)
505{
506 int page_save = -1;
507 if ((kcontrol->private_value & (1<<25)) &&
508 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
509 (reg >= 0x60 && reg < 0x70)) {
510 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
511 down(&ac97->page_mutex); /* lock paging */
512 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
513 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
514 }
515 return page_save;
516}
517
518static void snd_ac97_page_restore(ac97_t *ac97, int page_save)
519{
520 if (page_save >= 0) {
521 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
522 up(&ac97->page_mutex); /* unlock paging */
523 }
524}
525
526/* volume and switch controls */
527int snd_ac97_info_volsw(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
528{
529 int mask = (kcontrol->private_value >> 16) & 0xff;
530 int shift = (kcontrol->private_value >> 8) & 0x0f;
531 int rshift = (kcontrol->private_value >> 12) & 0x0f;
532
533 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
534 uinfo->count = shift == rshift ? 1 : 2;
535 uinfo->value.integer.min = 0;
536 uinfo->value.integer.max = mask;
537 return 0;
538}
539
540int snd_ac97_get_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
541{
542 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
543 int reg = kcontrol->private_value & 0xff;
544 int shift = (kcontrol->private_value >> 8) & 0x0f;
545 int rshift = (kcontrol->private_value >> 12) & 0x0f;
546 int mask = (kcontrol->private_value >> 16) & 0xff;
547 int invert = (kcontrol->private_value >> 24) & 0x01;
548 int page_save;
549
550 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
551 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
552 if (shift != rshift)
553 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
554 if (invert) {
555 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
556 if (shift != rshift)
557 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
558 }
559 snd_ac97_page_restore(ac97, page_save);
560 return 0;
561}
562
563int snd_ac97_put_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
564{
565 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
566 int reg = kcontrol->private_value & 0xff;
567 int shift = (kcontrol->private_value >> 8) & 0x0f;
568 int rshift = (kcontrol->private_value >> 12) & 0x0f;
569 int mask = (kcontrol->private_value >> 16) & 0xff;
570 int invert = (kcontrol->private_value >> 24) & 0x01;
571 int err, page_save;
572 unsigned short val, val2, val_mask;
573
574 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
575 val = (ucontrol->value.integer.value[0] & mask);
576 if (invert)
577 val = mask - val;
578 val_mask = mask << shift;
579 val = val << shift;
580 if (shift != rshift) {
581 val2 = (ucontrol->value.integer.value[1] & mask);
582 if (invert)
583 val2 = mask - val2;
584 val_mask |= mask << rshift;
585 val |= val2 << rshift;
586 }
587 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
588 snd_ac97_page_restore(ac97, page_save);
589 return err;
590}
591
592static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = {
593AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
594AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
595};
596
597static const snd_kcontrol_new_t snd_ac97_controls_tone[2] = {
598AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
599AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
600};
601
602static const snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = {
603AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
604AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
605};
606
607static const snd_kcontrol_new_t snd_ac97_controls_mic_boost =
608 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
609
610
611static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
612static const char* std_3d_path[] = {"pre 3D", "post 3D"};
613static const char* std_mix[] = {"Mix", "Mic"};
614static const char* std_mic[] = {"Mic1", "Mic2"};
615
616static const struct ac97_enum std_enum[] = {
617AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
618AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
619AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
620AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
621};
622
623static const snd_kcontrol_new_t snd_ac97_control_capture_src =
624AC97_ENUM("Capture Source", std_enum[0]);
625
626static const snd_kcontrol_new_t snd_ac97_control_capture_vol =
627AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
628
629static const snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = {
630AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
631AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
632};
633
634typedef enum {
635 AC97_GENERAL_PCM_OUT = 0,
636 AC97_GENERAL_STEREO_ENHANCEMENT,
637 AC97_GENERAL_3D,
638 AC97_GENERAL_LOUDNESS,
639 AC97_GENERAL_MONO,
640 AC97_GENERAL_MIC,
641 AC97_GENERAL_LOOPBACK
642} ac97_general_index_t;
643
644static const snd_kcontrol_new_t snd_ac97_controls_general[7] = {
645AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
646AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
647AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
648AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
649AC97_ENUM("Mono Output Select", std_enum[2]),
650AC97_ENUM("Mic Select", std_enum[3]),
651AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
652};
653
654const snd_kcontrol_new_t snd_ac97_controls_3d[2] = {
655AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
656AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
657};
658
659static const snd_kcontrol_new_t snd_ac97_controls_center[2] = {
660AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
661AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
662};
663
664static const snd_kcontrol_new_t snd_ac97_controls_lfe[2] = {
665AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
666AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
667};
668
1da177e4
LT		 669static const snd_kcontrol_new_t snd_ac97_control_eapd =
670AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
671
87d61c29
SK		 672static const snd_kcontrol_new_t snd_ac97_controls_modem_switches[2] = {
673AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
674AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
675};
676
1da177e4
LT		 677/* change the existing EAPD control as inverted */
678static void set_inv_eapd(ac97_t *ac97, snd_kcontrol_t *kctl)
679{
680 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
681 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
682 ac97->scaps |= AC97_SCAP_INV_EAPD;
683}
684
685static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
686{
687 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
688 uinfo->count = 1;
689 return 0;
690}
691
692static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
693{
694 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
695 IEC958_AES0_NONAUDIO |
696 IEC958_AES0_CON_EMPHASIS_5015 |
697 IEC958_AES0_CON_NOT_COPYRIGHT;
698 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
699 IEC958_AES1_CON_ORIGINAL;
700 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
701 return 0;
702}
703
704static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
705{
706 /* FIXME: AC'97 spec doesn't say which bits are used for what */
707 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
708 IEC958_AES0_NONAUDIO |
709 IEC958_AES0_PRO_FS |
710 IEC958_AES0_PRO_EMPHASIS_5015;
711 return 0;
712}
713
714static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
715{
716 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
717
718 down(&ac97->reg_mutex);
719 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
720 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
721 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
722 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
723 up(&ac97->reg_mutex);
724 return 0;
725}
726
727static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
728{
729 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
730 unsigned int new = 0;
731 unsigned short val = 0;
732 int change;
733
734 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
735 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
736 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
737 switch (new & IEC958_AES0_PRO_FS) {
738 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
739 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
740 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
741 default: val |= 1<<12; break;
742 }
743 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
744 val |= 1<<3;
745 } else {
746 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
747 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
748 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
749 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
750 val |= 1<<3;
751 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
752 val |= 1<<2;
753 val |= ((new >> 8) & 0xff) << 4; // category + original
754 switch ((new >> 24) & 0xff) {
755 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
756 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
757 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
758 default: val |= 1<<12; break;
759 }
760 }
761
762 down(&ac97->reg_mutex);
763 change = ac97->spdif_status != new;
764 ac97->spdif_status = new;
765
766 if (ac97->flags & AC97_CS_SPDIF) {
767 int x = (val >> 12) & 0x03;
768 switch (x) {
769 case 0: x = 1; break; // 44.1
770 case 2: x = 0; break; // 48.0
771 default: x = 0; break; // illegal.
772 }
773 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
774 } else if (ac97->flags & AC97_CX_SPDIF) {
775 int v;
776 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
777 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
778 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
779 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
780 v);
781 } else {
782 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
783 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
784
785 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
786 if (extst & AC97_EA_SPDIF) {
787 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
788 }
789 }
790 up(&ac97->reg_mutex);
791
792 return change;
793}
794
795static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
796{
797 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
798 int reg = kcontrol->private_value & 0xff;
799 int shift = (kcontrol->private_value >> 8) & 0xff;
800 int mask = (kcontrol->private_value >> 16) & 0xff;
801 // int invert = (kcontrol->private_value >> 24) & 0xff;
802 unsigned short value, old, new;
803 int change;
804
805 value = (ucontrol->value.integer.value[0] & mask);
806
807 down(&ac97->reg_mutex);
808 mask <<= shift;
809 value <<= shift;
810 old = snd_ac97_read_cache(ac97, reg);
811 new = (old & ~mask) | value;
812 change = old != new;
813
814 if (change) {
815 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
816 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
817 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
818 if (extst & AC97_EA_SPDIF)
819 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
820 }
821 up(&ac97->reg_mutex);
822 return change;
823}
824
825const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = {
826 {
827 .access = SNDRV_CTL_ELEM_ACCESS_READ,
828 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
829 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
830 .info = snd_ac97_spdif_mask_info,
831 .get = snd_ac97_spdif_cmask_get,
832 },
833 {
834 .access = SNDRV_CTL_ELEM_ACCESS_READ,
835 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
836 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
837 .info = snd_ac97_spdif_mask_info,
838 .get = snd_ac97_spdif_pmask_get,
839 },
840 {
841 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
842 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
843 .info = snd_ac97_spdif_mask_info,
844 .get = snd_ac97_spdif_default_get,
845 .put = snd_ac97_spdif_default_put,
846 },
847
848 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
849 {
850 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
851 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
852 .info = snd_ac97_info_volsw,
853 .get = snd_ac97_get_volsw,
854 .put = snd_ac97_put_spsa,
855 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
856 },
857};
858
859#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
860{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
861 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
862 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
863
864static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
865{
866 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
867 int mask = (kcontrol->private_value >> 16) & 0x0f;
868 int lshift = (kcontrol->private_value >> 8) & 0x0f;
869 int rshift = (kcontrol->private_value >> 12) & 0x0f;
870
871 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
872 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
873 uinfo->count = 2;
874 else
875 uinfo->count = 1;
876 uinfo->value.integer.min = 0;
877 uinfo->value.integer.max = mask;
878 return 0;
879}
880
881static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
882{
883 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
884 int codec = kcontrol->private_value & 3;
885 int lshift = (kcontrol->private_value >> 8) & 0x0f;
886 int rshift = (kcontrol->private_value >> 12) & 0x0f;
887 int mask = (kcontrol->private_value >> 16) & 0xff;
888
889 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
890 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
891 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
892 return 0;
893}
894
895static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
896{
897 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
898 int codec = kcontrol->private_value & 3;
899 int lshift = (kcontrol->private_value >> 8) & 0x0f;
900 int rshift = (kcontrol->private_value >> 12) & 0x0f;
901 int mask = (kcontrol->private_value >> 16) & 0xff;
902 unsigned short val, valmask;
903
904 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
905 valmask = mask << lshift;
906 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
907 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
908 valmask |= mask << rshift;
909 }
910 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
911}
912
913#define AD18XX_PCM_VOLUME(xname, codec) \
914{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
915 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
916 .private_value = codec }
917
918static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
919{
920 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
921 uinfo->count = 2;
922 uinfo->value.integer.min = 0;
923 uinfo->value.integer.max = 31;
924 return 0;
925}
926
927static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
928{
929 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
930 int codec = kcontrol->private_value & 3;
931
932 down(&ac97->page_mutex);
933 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
934 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
935 up(&ac97->page_mutex);
936 return 0;
937}
938
939static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
940{
941 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
942 int codec = kcontrol->private_value & 3;
943 unsigned short val1, val2;
944
945 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
946 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
947 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
948}
949
950static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = {
951AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
952AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
953};
954
955static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = {
956AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
957AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
958};
959
960static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = {
961AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
962AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
963};
964
965static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = {
966AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
967AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
968};
969
970/*
971 *
972 */
973
974static void snd_ac97_powerdown(ac97_t *ac97);
975
976static int snd_ac97_bus_free(ac97_bus_t *bus)
977{
978 if (bus) {
979 snd_ac97_bus_proc_done(bus);
980 kfree(bus->pcms);
981 if (bus->private_free)
982 bus->private_free(bus);
983 kfree(bus);
984 }
985 return 0;
986}
987
988static int snd_ac97_bus_dev_free(snd_device_t *device)
989{
990 ac97_bus_t *bus = device->device_data;
991 return snd_ac97_bus_free(bus);
992}
993
994static int snd_ac97_free(ac97_t *ac97)
995{
996 if (ac97) {
997 snd_ac97_proc_done(ac97);
998 if (ac97->bus) {
999 ac97->bus->codec[ac97->num] = NULL;
1000 if (ac97->bus->shared_type) {
1001 down(&shared_codec_mutex);
1002 shared_codec[ac97->bus->shared_type-1][ac97->num] = NULL;
1003 up(&shared_codec_mutex);
1004 }
1005 }
1006 if (ac97->private_free)
1007 ac97->private_free(ac97);
1008 kfree(ac97);
1009 }
1010 return 0;
1011}
1012
1013static int snd_ac97_dev_free(snd_device_t *device)
1014{
1015 ac97_t *ac97 = device->device_data;
1016 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1017 return snd_ac97_free(ac97);
1018}
1019
1020static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg)
1021{
1022 unsigned short val, mask = 0x8000;
1023
1024 if (! snd_ac97_valid_reg(ac97, reg))
1025 return 0;
1026
1027 switch (reg) {
1028 case AC97_MASTER_TONE:
1029 return ac97->caps & 0x04 ? 1 : 0;
1030 case AC97_HEADPHONE:
1031 return ac97->caps & 0x10 ? 1 : 0;
1032 case AC97_REC_GAIN_MIC:
1033 return ac97->caps & 0x01 ? 1 : 0;
1034 case AC97_3D_CONTROL:
1035 if (ac97->caps & 0x7c00) {
1036 val = snd_ac97_read(ac97, reg);
1037 /* if nonzero - fixed and we can't set it */
1038 return val == 0;
1039 }
1040 return 0;
1041 case AC97_CENTER_LFE_MASTER: /* center */
1042 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1043 return 0;
1044 break;
1045 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1046 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1047 return 0;
1048 reg = AC97_CENTER_LFE_MASTER;
1049 mask = 0x0080;
1050 break;
1051 case AC97_SURROUND_MASTER:
1052 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1053 return 0;
1054 break;
1055 }
1056
1057 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1058 return 1; /* allow without check */
1059
1060 val = snd_ac97_read(ac97, reg);
1061 if (!(val & mask)) {
1062 /* nothing seems to be here - mute flag is not set */
1063 /* try another test */
1064 snd_ac97_write_cache(ac97, reg, val | mask);
1065 val = snd_ac97_read(ac97, reg);
1066 if (!(val & mask))
1067 return 0; /* nothing here */
1068 }
1069 return 1; /* success, useable */
1070}
1071
1072static void check_volume_resolution(ac97_t *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1073{
1074 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1075 unsigned char max[3] = { 63, 31, 15 };
1076 int i;
1077
1078 *lo_max = *hi_max = 0;
1079 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1080 unsigned short val;
1081 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
c9eab129
JCD		 1082 /* Do the read twice due to buffers on some ac97 codecs.
1083 * e.g. The STAC9704 returns exactly what you wrote the the register
1084 * if you read it immediately. This causes the detect routine to fail.
1085 */
1086 val = snd_ac97_read(ac97, reg);
1da177e4 1087 val = snd_ac97_read(ac97, reg);
a2142674 1088 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1089 *lo_max = max[i];
a2142674 1090 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1091 *hi_max = max[i];
1092 if (*lo_max && *hi_max)
1093 break;
1094 }
1095}
1096
1097int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit)
1098{
1099 unsigned short mask, val, orig, res;
1100
1101 mask = 1 << bit;
1102 orig = snd_ac97_read(ac97, reg);
1103 val = orig ^ mask;
1104 snd_ac97_write(ac97, reg, val);
1105 res = snd_ac97_read(ac97, reg);
1106 snd_ac97_write_cache(ac97, reg, orig);
1107 return res == val;
1108}
1109
1110/* check the volume resolution of center/lfe */
1111static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max)
1112{
1113 unsigned short val, val1;
1114
1115 *max = 63;
1116 val = 0x8080 | (0x20 << shift);
1117 snd_ac97_write(ac97, reg, val);
1118 val1 = snd_ac97_read(ac97, reg);
1119 if (val != val1) {
1120 *max = 31;
1121 }
1122 /* reset volume to zero */
1123 snd_ac97_write_cache(ac97, reg, 0x8080);
1124}
1125
1126static inline int printable(unsigned int x)
1127{
1128 x &= 0xff;
1129 if (x < ' ' || x >= 0x71) {
1130 if (x <= 0x89)
1131 return x - 0x71 + 'A';
1132 return '?';
1133 }
1134 return x;
1135}
1136
1137snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97)
1138{
1139 snd_kcontrol_new_t template;
1140 memcpy(&template, _template, sizeof(template));
1141 snd_runtime_check(!template.index, return NULL);
1142 template.index = ac97->num;
1143 return snd_ctl_new1(&template, ac97);
1144}
1145
1146/*
1147 * create mute switch(es) for normal stereo controls
1148 */
1149static int snd_ac97_cmute_new_stereo(snd_card_t *card, char *name, int reg, int check_stereo, ac97_t *ac97)
1150{
1151 snd_kcontrol_t *kctl;
1152 int err;
1153 unsigned short val, val1, mute_mask;
1154
1155 if (! snd_ac97_valid_reg(ac97, reg))
1156 return 0;
1157
1158 mute_mask = 0x8000;
1159 val = snd_ac97_read(ac97, reg);
1160 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1161 /* check whether both mute bits work */
1162 val1 = val | 0x8080;
1163 snd_ac97_write(ac97, reg, val1);
1164 if (val1 == snd_ac97_read(ac97, reg))
1165 mute_mask = 0x8080;
1166 }
1167 if (mute_mask == 0x8080) {
1168 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1169 tmp.index = ac97->num;
1170 kctl = snd_ctl_new1(&tmp, ac97);
1171 } else {
1172 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1173 tmp.index = ac97->num;
1174 kctl = snd_ctl_new1(&tmp, ac97);
1175 }
1176 err = snd_ctl_add(card, kctl);
1177 if (err < 0)
1178 return err;
1179 /* mute as default */
1180 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1181 return 0;
1182}
1183
1184/*
1185 * create a volume for normal stereo/mono controls
1186 */
1187static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int lo_max,
1188 unsigned int hi_max, ac97_t *ac97)
1189{
1190 int err;
1191 snd_kcontrol_t *kctl;
1192
1193 if (! snd_ac97_valid_reg(ac97, reg))
1194 return 0;
1195 if (hi_max) {
1196 /* invert */
1197 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1198 tmp.index = ac97->num;
1199 kctl = snd_ctl_new1(&tmp, ac97);
1200 } else {
1201 /* invert */
1202 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1203 tmp.index = ac97->num;
1204 kctl = snd_ctl_new1(&tmp, ac97);
1205 }
1206 err = snd_ctl_add(card, kctl);
1207 if (err < 0)
1208 return err;
1209 snd_ac97_write_cache(ac97, reg,
1210 (snd_ac97_read(ac97, reg) & 0x8080) |
1211 lo_max | (hi_max << 8));
1212 return 0;
1213}
1214
1215/*
1216 * create a mute-switch and a volume for normal stereo/mono controls
1217 */
1218static int snd_ac97_cmix_new_stereo(snd_card_t *card, const char *pfx, int reg, int check_stereo, ac97_t *ac97)
1219{
1220 int err;
1221 char name[44];
1222 unsigned char lo_max, hi_max;
1223
1224 if (! snd_ac97_valid_reg(ac97, reg))
1225 return 0;
1226
1227 if (snd_ac97_try_bit(ac97, reg, 15)) {
1228 sprintf(name, "%s Switch", pfx);
1229 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1230 return err;
1231 }
1232 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1233 if (lo_max) {
1234 sprintf(name, "%s Volume", pfx);
1235 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1236 return err;
1237 }
1238 return 0;
1239}
1240
1241#define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1242#define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1243
1244static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97);
1245
1246static int snd_ac97_mixer_build(ac97_t * ac97)
1247{
1248 snd_card_t *card = ac97->bus->card;
1249 snd_kcontrol_t *kctl;
1250 int err;
1251 unsigned int idx;
1252 unsigned char max;
1253
1254 /* build master controls */
1255 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1256 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1257 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1258 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1259 else
1260 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1261 if (err < 0)
1262 return err;
1263 }
1264
1265 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1266
1267 /* build center controls */
1268 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1269 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1270 return err;
1271 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1272 return err;
1273 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1274 kctl->private_value &= ~(0xff << 16);
1275 kctl->private_value |= (int)max << 16;
1276 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1277 }
1278
1279 /* build LFE controls */
1280 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1281 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1282 return err;
1283 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1284 return err;
1285 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1286 kctl->private_value &= ~(0xff << 16);
1287 kctl->private_value |= (int)max << 16;
1288 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1289 }
1290
1291 /* build surround controls */
1292 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1293 /* Surround Master (0x38) is with stereo mutes */
1294 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1295 return err;
1296 }
1297
1298 /* build headphone controls */
1299 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1300 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1301 return err;
1302 }
1303
1304 /* build master mono controls */
1305 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1306 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1307 return err;
1308 }
1309
1310 /* build master tone controls */
3998b70f
LG		 1311 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1312 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1313 for (idx = 0; idx < 2; idx++) {
1314 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1315 return err;
1316 if (ac97->id == AC97_ID_YMF753) {
1317 kctl->private_value &= ~(0xff << 16);
1318 kctl->private_value |= 7 << 16;
1319 }
1da177e4 1320 }
3998b70f 1321 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1da177e4 1322 }
1da177e4
LT		 1323 }
1324
1325 /* build PC Speaker controls */
1326 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1327 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1328 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1329 for (idx = 0; idx < 2; idx++)
1330 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1331 return err;
1332 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1333 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1334 }
1335
1336 /* build Phone controls */
1337 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1338 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1339 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1340 return err;
1341 }
1342 }
1343
1344 /* build MIC controls */
3998b70f
LG		 1345 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1346 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1347 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1348 return err;
1349 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1350 return err;
1351 }
1da177e4
LT		 1352 }
1353
1354 /* build Line controls */
1355 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1356 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1357 return err;
1358 }
1359
1360 /* build CD controls */
1361 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1362 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1363 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1364 return err;
1365 }
1366 }
1367
1368 /* build Video controls */
1369 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1370 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1371 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1372 return err;
1373 }
1374 }
1375
1376 /* build Aux controls */
1377 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1378 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1379 return err;
1380 }
1381
1382 /* build PCM controls */
1383 if (ac97->flags & AC97_AD_MULTI) {
1384 unsigned short init_val;
1385 if (ac97->flags & AC97_STEREO_MUTES)
1386 init_val = 0x9f9f;
1387 else
1388 init_val = 0x9f1f;
1389 for (idx = 0; idx < 2; idx++)
1390 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1391 return err;
1392 ac97->spec.ad18xx.pcmreg[0] = init_val;
1393 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1394 for (idx = 0; idx < 2; idx++)
1395 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1396 return err;
1397 ac97->spec.ad18xx.pcmreg[1] = init_val;
1398 }
1399 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1400 for (idx = 0; idx < 2; idx++)
1401 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1402 return err;
1403 for (idx = 0; idx < 2; idx++)
1404 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1405 return err;
1406 ac97->spec.ad18xx.pcmreg[2] = init_val;
1407 }
1408 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1409 } else {
3998b70f
LG		 1410 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1411 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1412 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1413 else
1414 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1415 if (err < 0)
1416 return err;
1417 }
1da177e4
LT		 1418 }
1419
1420 /* build Capture controls */
1421 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1422 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1423 return err;
1424 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1425 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1426 return err;
1427 }
1428 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1429 return err;
1430 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1431 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1432 }
1433 /* build MIC Capture controls */
1434 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1435 for (idx = 0; idx < 2; idx++)
1436 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1437 return err;
1438 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1439 }
1440
1441 /* build PCM out path & mute control */
1442 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1443 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1444 return err;
1445 }
1446
1447 /* build Simulated Stereo Enhancement control */
1448 if (ac97->caps & 0x0008) {
1449 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1450 return err;
1451 }
1452
1453 /* build 3D Stereo Enhancement control */
1454 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1455 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1456 return err;
1457 }
1458
1459 /* build Loudness control */
1460 if (ac97->caps & 0x0020) {
1461 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1462 return err;
1463 }
1464
1465 /* build Mono output select control */
1466 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1467 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1468 return err;
1469 }
1470
1471 /* build Mic select control */
1472 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1473 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1474 return err;
1475 }
1476
1477 /* build ADC/DAC loopback control */
1478 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1479 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1480 return err;
1481 }
1482
1483 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1484
1485 /* build 3D controls */
1486 if (ac97->build_ops->build_3d) {
1487 ac97->build_ops->build_3d(ac97);
1488 } else {
1489 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1490 unsigned short val;
1491 val = 0x0707;
1492 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1493 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1494 val = val == 0x0606;
1495 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1496 return err;
1497 if (val)
1498 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1499 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1500 return err;
1501 if (val)
1502 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1503 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1504 }
1505 }
1506
1507 /* build S/PDIF controls */
1508 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1509 if (ac97->build_ops->build_spdif) {
1510 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1511 return err;
1512 } else {
1513 for (idx = 0; idx < 5; idx++)
1514 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1515 return err;
1516 if (ac97->build_ops->build_post_spdif) {
1517 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1518 return err;
1519 }
1520 /* set default PCM S/PDIF params */
1521 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1522 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1523 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1524 }
1525 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1526 }
1527
1528 /* build chip specific controls */
1529 if (ac97->build_ops->build_specific)
1530 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1531 return err;
1532
1533 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1534 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1535 if (! kctl)
1536 return -ENOMEM;
1537 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1538 set_inv_eapd(ac97, kctl);
1539 if ((err = snd_ctl_add(card, kctl)) < 0)
1540 return err;
1541 }
1542
1543 return 0;
1544}
1545
1546static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97)
1547{
87d61c29
SK		 1548 int err, idx;
1549
1da177e4
LT		 1550 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1551 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1552 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1553 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1554 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1555 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1556
1557 /* build modem switches */
1558 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1559 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1560 return err;
1561
1562 /* build chip specific controls */
1563 if (ac97->build_ops->build_specific)
1564 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1565 return err;
1566
1da177e4
LT		 1567 return 0;
1568}
1569
1570static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate)
1571{
1572 unsigned short val;
1573 unsigned int tmp;
1574
1575 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1576 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1577 if (shadow_reg)
1578 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1579 val = snd_ac97_read(ac97, reg);
1580 return val == (tmp & 0xffff);
1581}
1582
1583static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result)
1584{
1585 unsigned int result = 0;
1586 unsigned short saved;
1587
1588 if (ac97->bus->no_vra) {
1589 *r_result = SNDRV_PCM_RATE_48000;
1590 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1591 reg == AC97_PCM_FRONT_DAC_RATE)
1592 *r_result |= SNDRV_PCM_RATE_96000;
1593 return;
1594 }
1595
1596 saved = snd_ac97_read(ac97, reg);
1597 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1598 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1599 AC97_EA_DRA, 0);
1600 /* test a non-standard rate */
1601 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1602 result |= SNDRV_PCM_RATE_CONTINUOUS;
1603 /* let's try to obtain standard rates */
1604 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1605 result |= SNDRV_PCM_RATE_8000;
1606 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1607 result |= SNDRV_PCM_RATE_11025;
1608 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1609 result |= SNDRV_PCM_RATE_16000;
1610 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1611 result |= SNDRV_PCM_RATE_22050;
1612 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1613 result |= SNDRV_PCM_RATE_32000;
1614 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1615 result |= SNDRV_PCM_RATE_44100;
1616 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1617 result |= SNDRV_PCM_RATE_48000;
1618 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1619 reg == AC97_PCM_FRONT_DAC_RATE) {
1620 /* test standard double rates */
1621 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1622 AC97_EA_DRA, AC97_EA_DRA);
1623 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1624 result |= SNDRV_PCM_RATE_64000;
1625 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1626 result |= SNDRV_PCM_RATE_88200;
1627 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1628 result |= SNDRV_PCM_RATE_96000;
1629 /* some codecs don't support variable double rates */
1630 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1631 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1632 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1633 AC97_EA_DRA, 0);
1634 }
1635 /* restore the default value */
1636 snd_ac97_write_cache(ac97, reg, saved);
1637 if (shadow_reg)
1638 snd_ac97_write_cache(ac97, shadow_reg, saved);
1639 *r_result = result;
1640}
1641
1642/* check AC97_SPDIF register to accept which sample rates */
1643static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97)
1644{
1645 unsigned int result = 0;
1646 int i;
1647 static unsigned short ctl_bits[] = {
1648 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1649 };
1650 static unsigned int rate_bits[] = {
1651 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1652 };
1653
1654 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1655 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1656 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1657 result |= rate_bits[i];
1658 }
1659 return result;
1660}
1661
1662/* look for the codec id table matching with the given id */
1663static const ac97_codec_id_t *look_for_codec_id(const ac97_codec_id_t *table,
1664 unsigned int id)
1665{
1666 const ac97_codec_id_t *pid;
1667
1668 for (pid = table; pid->id; pid++)
1669 if (pid->id == (id & pid->mask))
1670 return pid;
1671 return NULL;
1672}
1673
1674void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem)
1675{
1676 const ac97_codec_id_t *pid;
1677
1678 sprintf(name, "0x%x %c%c%c", id,
1679 printable(id >> 24),
1680 printable(id >> 16),
1681 printable(id >> 8));
1682 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1683 if (! pid)
1684 return;
1685
1686 strcpy(name, pid->name);
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
1693 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1694 if (pid) {
1695 strcat(name, " ");
1696 strcat(name, pid->name);
1697 if (pid->mask != 0xffffffff)
1698 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1699 if (ac97 && pid->patch) {
1700 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1701 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1702 pid->patch(ac97);
1703 }
1704 } else
1705 sprintf(name + strlen(name), " id %x", id & 0xff);
1706}
1707
1708/**
1709 * snd_ac97_get_short_name - retrieve codec name
1710 * @ac97: the codec instance
1711 *
1712 * Returns the short identifying name of the codec.
1713 */
1714const char *snd_ac97_get_short_name(ac97_t *ac97)
1715{
1716 const ac97_codec_id_t *pid;
1717
1718 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1719 if (pid->id == (ac97->id & pid->mask))
1720 return pid->name;
1721 return "unknown codec";
1722}
1723
1724
1725/* wait for a while until registers are accessible after RESET
1726 * return 0 if ok, negative not ready
1727 */
1728static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
1729{
1730 unsigned long end_time;
1731 unsigned short val;
1732
1733 end_time = jiffies + timeout;
1734 do {
1735
1736 /* use preliminary reads to settle the communication */
1737 snd_ac97_read(ac97, AC97_RESET);
1738 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1739 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1740 /* modem? */
1741 if (with_modem) {
1742 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1743 if (val != 0xffff && (val & 1) != 0)
1744 return 0;
1745 }
1746 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1747 /* probably only Xbox issue - all registers are read as zero */
1748 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1749 if (val != 0 && val != 0xffff)
1750 return 0;
1751 } else {
1752 /* because the PCM or MASTER volume registers can be modified,
1753 * the REC_GAIN register is used for tests
1754 */
1755 /* test if we can write to the record gain volume register */
1756 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1757 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1758 return 0;
1759 }
1760 set_current_state(TASK_UNINTERRUPTIBLE);
1761 schedule_timeout(1);
1762 } while (time_after_eq(end_time, jiffies));
1763 return -ENODEV;
1764}
1765
1766/**
1767 * snd_ac97_bus - create an AC97 bus component
1768 * @card: the card instance
1769 * @num: the bus number
1770 * @ops: the bus callbacks table
1771 * @private_data: private data pointer for the new instance
1772 * @rbus: the pointer to store the new AC97 bus instance.
1773 *
1774 * Creates an AC97 bus component. An ac97_bus_t instance is newly
1775 * allocated and initialized.
1776 *
1777 * The ops table must include valid callbacks (at least read and
1778 * write). The other callbacks, wait and reset, are not mandatory.
1779 *
1780 * The clock is set to 48000. If another clock is needed, set
1781 * (*rbus)->clock manually.
1782 *
1783 * The AC97 bus instance is registered as a low-level device, so you don't
1784 * have to release it manually.
1785 *
1786 * Returns zero if successful, or a negative error code on failure.
1787 */
1788int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
1789 void *private_data, ac97_bus_t **rbus)
1790{
1791 int err;
1792 ac97_bus_t *bus;
1793 static snd_device_ops_t dev_ops = {
1794 .dev_free = snd_ac97_bus_dev_free,
1795 };
1796
1797 snd_assert(card != NULL, return -EINVAL);
1798 snd_assert(rbus != NULL, return -EINVAL);
1799 bus = kcalloc(1, sizeof(*bus), GFP_KERNEL);
1800 if (bus == NULL)
1801 return -ENOMEM;
1802 bus->card = card;
1803 bus->num = num;
1804 bus->ops = ops;
1805 bus->private_data = private_data;
1806 bus->clock = 48000;
1807 spin_lock_init(&bus->bus_lock);
1808 snd_ac97_bus_proc_init(bus);
1809 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1810 snd_ac97_bus_free(bus);
1811 return err;
1812 }
1813 *rbus = bus;
1814 return 0;
1815}
1816
0ca06a00
LG		 1817/* stop no dev release warning */
1818static void ac97_device_release(struct device * dev)
1819{
1820}
1821
1822/* register ac97 codec to bus */
1823static int snd_ac97_dev_register(snd_device_t *device)
1824{
1825 ac97_t *ac97 = device->device_data;
1826 int err;
1827
1828 ac97->dev.bus = &ac97_bus_type;
1829 ac97->dev.parent = ac97->bus->card->dev;
1830 ac97->dev.platform_data = ac97;
1831 ac97->dev.release = ac97_device_release;
61be3ce0 1832 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "card%d-%d", ac97->bus->card->number, ac97->num);
0ca06a00
LG		 1833 if ((err = device_register(&ac97->dev)) < 0) {
1834 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1835 ac97->dev.bus = NULL;
1836 return err;
1837 }
1838 return 0;
1839}
1840
1841/* unregister ac97 codec */
1842static int snd_ac97_dev_unregister(snd_device_t *device)
1843{
1844 ac97_t *ac97 = device->device_data;
1845 if (ac97->dev.bus)
1846 device_unregister(&ac97->dev);
1847 return snd_ac97_free(ac97);
1848}
1849
1da177e4
LT		 1850/* build_ops to do nothing */
1851static struct snd_ac97_build_ops null_build_ops;
1852
1853/**
1854 * snd_ac97_mixer - create an Codec97 component
1855 * @bus: the AC97 bus which codec is attached to
1856 * @template: the template of ac97, including index, callbacks and
1857 * the private data.
1858 * @rac97: the pointer to store the new ac97 instance.
1859 *
1860 * Creates an Codec97 component. An ac97_t instance is newly
1861 * allocated and initialized from the template. The codec
1862 * is then initialized by the standard procedure.
1863 *
1864 * The template must include the codec number (num) and address (addr),
1865 * and the private data (private_data).
1866 *
1867 * The ac97 instance is registered as a low-level device, so you don't
1868 * have to release it manually.
1869 *
1870 * Returns zero if successful, or a negative error code on failure.
1871 */
1872int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
1873{
1874 int err;
1875 ac97_t *ac97;
1876 snd_card_t *card;
1877 char name[64];
1878 unsigned long end_time;
1879 unsigned int reg;
1880 const ac97_codec_id_t *pid;
1881 static snd_device_ops_t ops = {
1882 .dev_free = snd_ac97_dev_free,
0ca06a00
LG		 1883 .dev_register = snd_ac97_dev_register,
1884 .dev_unregister = snd_ac97_dev_unregister,
1da177e4
LT		 1885 };
1886
1887 snd_assert(rac97 != NULL, return -EINVAL);
1888 *rac97 = NULL;
1889 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1890 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1891
1892 snd_assert(bus->shared_type <= AC97_SHARED_TYPES, return -EINVAL);
1893 if (bus->shared_type) {
1894 /* already shared? */
1895 down(&shared_codec_mutex);
1896 ac97 = shared_codec[bus->shared_type-1][template->num];
1897 if (ac97) {
1898 if ((ac97_is_audio(ac97) && (template->scaps & AC97_SCAP_SKIP_AUDIO)) ||
1899 (ac97_is_modem(ac97) && (template->scaps & AC97_SCAP_SKIP_MODEM))) {
1900 up(&shared_codec_mutex);
1901 return -EACCES; /* skip this */
1902 }
1903 }
1904 up(&shared_codec_mutex);
1905 }
1906
1907 card = bus->card;
1908 ac97 = kcalloc(1, sizeof(*ac97), GFP_KERNEL);
1909 if (ac97 == NULL)
1910 return -ENOMEM;
1911 ac97->private_data = template->private_data;
1912 ac97->private_free = template->private_free;
1913 ac97->bus = bus;
1914 ac97->pci = template->pci;
1915 ac97->num = template->num;
1916 ac97->addr = template->addr;
1917 ac97->scaps = template->scaps;
1918 ac97->limited_regs = template->limited_regs;
1919 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1920 bus->codec[ac97->num] = ac97;
1921 init_MUTEX(&ac97->reg_mutex);
1922 init_MUTEX(&ac97->page_mutex);
1923
1924 if (ac97->pci) {
1925 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1926 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1927 }
1928 if (bus->ops->reset) {
1929 bus->ops->reset(ac97);
1930 goto __access_ok;
1931 }
1932
1933 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1934 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1935 if (ac97->id && ac97->id != (unsigned int)-1) {
1936 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1937 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1938 goto __access_ok;
1939 }
1940
23fea4da
SK		 1941 /* reset to defaults */
1942 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1943 snd_ac97_write(ac97, AC97_RESET, 0);
1944 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1945 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 1946 if (bus->ops->wait)
1947 bus->ops->wait(ac97);
1948 else {
1949 udelay(50);
1950 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1951 err = ac97_reset_wait(ac97, HZ/2, 1);
1952 else {
1953 err = ac97_reset_wait(ac97, HZ/2, 0);
1954 if (err < 0)
1955 err = ac97_reset_wait(ac97, HZ/2, 1);
1956 }
1957 if (err < 0) {
1958 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1959 /* proceed anyway - it's often non-critical */
1960 }
1961 }
1962 __access_ok:
1963 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1964 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1965 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1966 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1967 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1968 snd_ac97_free(ac97);
1969 return -EIO;
1970 }
1971 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1972 if (pid)
1973 ac97->flags |= pid->flags;
1974
1975 /* test for AC'97 */
1976 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1977 /* test if we can write to the record gain volume register */
1978 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1979 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1980 ac97->scaps |= AC97_SCAP_AUDIO;
1981 }
1982 if (ac97->scaps & AC97_SCAP_AUDIO) {
1983 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1984 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1985 if (ac97->ext_id == 0xffff) /* invalid combination */
1986 ac97->ext_id = 0;
1987 }
1988
1989 /* test for MC'97 */
1990 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1991 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1992 if (ac97->ext_mid == 0xffff) /* invalid combination */
1993 ac97->ext_mid = 0;
1994 if (ac97->ext_mid & 1)
1995 ac97->scaps |= AC97_SCAP_MODEM;
1996 }
1997
1998 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1999 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2000 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2001 snd_ac97_free(ac97);
2002 return -EACCES;
2003 }
2004
2005 if (bus->ops->reset) // FIXME: always skipping?
2006 goto __ready_ok;
2007
2008 /* FIXME: add powerdown control */
2009 if (ac97_is_audio(ac97)) {
2010 /* nothing should be in powerdown mode */
2011 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2012 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2013 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2014 udelay(100);
2015 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2016 }
2017 /* nothing should be in powerdown mode */
2018 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2019 end_time = jiffies + (HZ / 10);
2020 do {
2021 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2022 goto __ready_ok;
2023 set_current_state(TASK_UNINTERRUPTIBLE);
2024 schedule_timeout(1);
2025 } while (time_after_eq(end_time, jiffies));
2026 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2027 }
2028
2029 /* FIXME: add powerdown control */
2030 if (ac97_is_modem(ac97)) {
2031 unsigned char tmp;
2032
2033 /* nothing should be in powerdown mode */
2034 /* note: it's important to set the rate at first */
2035 tmp = AC97_MEA_GPIO;
2036 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 2037 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 2038 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2039 }
2040 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 2041 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 2042 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2043 }
2044 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 2045 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 2046 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2047 }
8e8311b0 2048 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2049 udelay(100);
2050 /* nothing should be in powerdown mode */
8e8311b0 2051 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2052 end_time = jiffies + (HZ / 10);
2053 do {
2054 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2055 goto __ready_ok;
2056 set_current_state(TASK_UNINTERRUPTIBLE);
2057 schedule_timeout(1);
2058 } while (time_after_eq(end_time, jiffies));
2059 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2060 }
2061
2062 __ready_ok:
2063 if (ac97_is_audio(ac97))
2064 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2065 else
2066 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2067 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2068 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2069 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2070 if (! bus->no_vra)
2071 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2072 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2073 }
2074 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2075 /* Intel controllers require double rate data to be put in
2076 * slots 7+8, so let's hope the codec supports it. */
2077 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2078 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2079 ac97->flags |= AC97_DOUBLE_RATE;
2080 }
2081 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2082 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2083 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2084 } else {
2085 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2086 if (ac97->flags & AC97_DOUBLE_RATE)
2087 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2088 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2089 }
2090 if (ac97->ext_id & AC97_EI_SPDIF) {
2091 /* codec specific code (patch) should override these values */
2092 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2093 }
2094 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2095 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2096 } else {
2097 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2098 }
2099 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2100 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2101 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2102 }
2103 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2104 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2105 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2106 }
2107 /* additional initializations */
2108 if (bus->ops->init)
2109 bus->ops->init(ac97);
2110 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2111 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2112 if (! ac97->build_ops)
2113 ac97->build_ops = &null_build_ops;
2114
2115 if (ac97_is_audio(ac97)) {
2116 char comp[16];
2117 if (card->mixername[0] == '\0') {
2118 strcpy(card->mixername, name);
2119 } else {
2120 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2121 strcat(card->mixername, ",");
2122 strcat(card->mixername, name);
2123 }
2124 }
2125 sprintf(comp, "AC97a:%08x", ac97->id);
2126 if ((err = snd_component_add(card, comp)) < 0) {
2127 snd_ac97_free(ac97);
2128 return err;
2129 }
2130 if (snd_ac97_mixer_build(ac97) < 0) {
2131 snd_ac97_free(ac97);
2132 return -ENOMEM;
2133 }
2134 }
2135 if (ac97_is_modem(ac97)) {
2136 char comp[16];
2137 if (card->mixername[0] == '\0') {
2138 strcpy(card->mixername, name);
2139 } else {
2140 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2141 strcat(card->mixername, ",");
2142 strcat(card->mixername, name);
2143 }
2144 }
2145 sprintf(comp, "AC97m:%08x", ac97->id);
2146 if ((err = snd_component_add(card, comp)) < 0) {
2147 snd_ac97_free(ac97);
2148 return err;
2149 }
2150 if (snd_ac97_modem_build(card, ac97) < 0) {
2151 snd_ac97_free(ac97);
2152 return -ENOMEM;
2153 }
2154 }
2155 /* make sure the proper powerdown bits are cleared */
2156 if (ac97->scaps) {
2157 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2158 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2159 reg &= ~AC97_EA_PRJ;
2160 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2161 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2162 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2163 }
2164 snd_ac97_proc_init(ac97);
2165 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2166 snd_ac97_free(ac97);
2167 return err;
2168 }
2169 *rac97 = ac97;
2170
2171 if (bus->shared_type) {
2172 down(&shared_codec_mutex);
2173 shared_codec[bus->shared_type-1][ac97->num] = ac97;
2174 up(&shared_codec_mutex);
2175 }
2176
2177 return 0;
2178}
2179
2180
2181/*
2182 * Power down the chip.
2183 *
2184 * MASTER and HEADPHONE registers are muted but the register cache values
2185 * are not changed, so that the values can be restored in snd_ac97_resume().
2186 */
2187static void snd_ac97_powerdown(ac97_t *ac97)
2188{
2189 unsigned short power;
2190
2191 if (ac97_is_audio(ac97)) {
2192 /* some codecs have stereo mute bits */
2193 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2194 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2195 }
2196
2197 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2198 power |= 0x4000; /* Headphone amplifier powerdown */
2199 power |= 0x0300; /* ADC & DAC powerdown */
2200 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2201 udelay(100);
2202 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2203 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2204 udelay(100);
2205#if 0
2206 /* FIXME: this causes click noises on some boards at resume */
2207 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2208 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2209#endif
2210}
2211
2212
2213#ifdef CONFIG_PM
2214/**
2215 * snd_ac97_suspend - General suspend function for AC97 codec
2216 * @ac97: the ac97 instance
2217 *
2218 * Suspends the codec, power down the chip.
2219 */
2220void snd_ac97_suspend(ac97_t *ac97)
2221{
2222 if (ac97->build_ops->suspend)
2223 ac97->build_ops->suspend(ac97);
2224 snd_ac97_powerdown(ac97);
2225}
2226
2227/*
2228 * restore ac97 status
2229 */
2230void snd_ac97_restore_status(ac97_t *ac97)
2231{
2232 int i;
2233
2234 for (i = 2; i < 0x7c ; i += 2) {
2235 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2236 continue;
2237 /* restore only accessible registers
2238 * some chip (e.g. nm256) may hang up when unsupported registers
2239 * are accessed..!
2240 */
2241 if (test_bit(i, ac97->reg_accessed)) {
2242 snd_ac97_write(ac97, i, ac97->regs[i]);
2243 snd_ac97_read(ac97, i);
2244 }
2245 }
2246}
2247
2248/*
2249 * restore IEC958 status
2250 */
2251void snd_ac97_restore_iec958(ac97_t *ac97)
2252{
2253 if (ac97->ext_id & AC97_EI_SPDIF) {
2254 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2255 /* reset spdif status */
2256 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2257 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2258 if (ac97->flags & AC97_CS_SPDIF)
2259 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2260 else
2261 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2262 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2263 }
2264 }
2265}
2266
2267/**
2268 * snd_ac97_resume - General resume function for AC97 codec
2269 * @ac97: the ac97 instance
2270 *
2271 * Do the standard resume procedure, power up and restoring the
2272 * old register values.
2273 */
2274void snd_ac97_resume(ac97_t *ac97)
2275{
ef21ca24 2276 unsigned long end_time;
1da177e4
LT		 2277
2278 if (ac97->bus->ops->reset) {
2279 ac97->bus->ops->reset(ac97);
2280 goto __reset_ready;
2281 }
2282
2283 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2284 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2285 snd_ac97_write(ac97, AC97_RESET, 0);
2286 udelay(100);
2287 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2288 }
2289 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2290
2291 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2292 if (ac97_is_audio(ac97)) {
2293 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
ef21ca24
NA		 2294 end_time = jiffies + msecs_to_jiffies(100);
2295 do {
1da177e4
LT		 2296 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2297 break;
2298 set_current_state(TASK_UNINTERRUPTIBLE);
2299 schedule_timeout(1);
ef21ca24 2300 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2301 /* FIXME: extra delay */
2302 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
ef21ca24
NA		 2303 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2304 msleep(250);
1da177e4 2305 } else {
ef21ca24
NA		 2306 end_time = jiffies + msecs_to_jiffies(100);
2307 do {
1da177e4
LT		 2308 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2309 if (val != 0xffff && (val & 1) != 0)
2310 break;
2311 set_current_state(TASK_UNINTERRUPTIBLE);
2312 schedule_timeout(1);
ef21ca24 2313 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2314 }
2315__reset_ready:
2316
2317 if (ac97->bus->ops->init)
2318 ac97->bus->ops->init(ac97);
2319
2320 if (ac97->build_ops->resume)
2321 ac97->build_ops->resume(ac97);
2322 else {
2323 snd_ac97_restore_status(ac97);
2324 snd_ac97_restore_iec958(ac97);
2325 }
2326}
2327#endif
2328
2329
2330/*
2331 * Hardware tuning
2332 */
2333static void set_ctl_name(char *dst, const char *src, const char *suffix)
2334{
2335 if (suffix)
2336 sprintf(dst, "%s %s", src, suffix);
2337 else
2338 strcpy(dst, src);
2339}
2340
2341/* remove the control with the given name and optional suffix */
2342int snd_ac97_remove_ctl(ac97_t *ac97, const char *name, const char *suffix)
2343{
2344 snd_ctl_elem_id_t id;
2345 memset(&id, 0, sizeof(id));
2346 set_ctl_name(id.name, name, suffix);
2347 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2348 return snd_ctl_remove_id(ac97->bus->card, &id);
2349}
2350
2351static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name, const char *suffix)
2352{
2353 snd_ctl_elem_id_t sid;
2354 memset(&sid, 0, sizeof(sid));
2355 set_ctl_name(sid.name, name, suffix);
2356 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2357 return snd_ctl_find_id(ac97->bus->card, &sid);
2358}
2359
2360/* rename the control with the given name and optional suffix */
2361int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const char *suffix)
2362{
2363 snd_kcontrol_t *kctl = ctl_find(ac97, src, suffix);
2364 if (kctl) {
2365 set_ctl_name(kctl->id.name, dst, suffix);
2366 return 0;
2367 }
2368 return -ENOENT;
2369}
2370
2371/* rename both Volume and Switch controls - don't check the return value */
2372void snd_ac97_rename_vol_ctl(ac97_t *ac97, const char *src, const char *dst)
2373{
2374 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2375 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2376}
2377
2378/* swap controls */
2379int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *suffix)
2380{
2381 snd_kcontrol_t *kctl1, *kctl2;
2382 kctl1 = ctl_find(ac97, s1, suffix);
2383 kctl2 = ctl_find(ac97, s2, suffix);
2384 if (kctl1 && kctl2) {
2385 set_ctl_name(kctl1->id.name, s2, suffix);
2386 set_ctl_name(kctl2->id.name, s1, suffix);
2387 return 0;
2388 }
2389 return -ENOENT;
2390}
2391
2392#if 1
2393/* bind hp and master controls instead of using only hp control */
2394static int bind_hp_volsw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2395{
2396 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2397 if (err > 0) {
2398 unsigned long priv_saved = kcontrol->private_value;
2399 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2400 snd_ac97_put_volsw(kcontrol, ucontrol);
2401 kcontrol->private_value = priv_saved;
2402 }
2403 return err;
2404}
2405
2406/* ac97 tune: bind Master and Headphone controls */
2407static int tune_hp_only(ac97_t *ac97)
2408{
2409 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2410 snd_kcontrol_t *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2411 if (! msw || ! mvol)
2412 return -ENOENT;
2413 msw->put = bind_hp_volsw_put;
2414 mvol->put = bind_hp_volsw_put;
2415 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2416 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2417 return 0;
2418}
2419
2420#else
2421/* ac97 tune: use Headphone control as master */
2422static int tune_hp_only(ac97_t *ac97)
2423{
2424 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2425 return -ENOENT;
2426 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2427 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2428 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2429 return 0;
2430}
2431#endif
2432
2433/* ac97 tune: swap Headphone and Master controls */
2434static int tune_swap_hp(ac97_t *ac97)
2435{
2436 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2437 return -ENOENT;
2438 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2439 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2440 return 0;
2441}
2442
2443/* ac97 tune: swap Surround and Master controls */
2444static int tune_swap_surround(ac97_t *ac97)
2445{
2446 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2447 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2448 return -ENOENT;
2449 return 0;
2450}
2451
2452/* ac97 tune: set up mic sharing for AD codecs */
2453static int tune_ad_sharing(ac97_t *ac97)
2454{
2455 unsigned short scfg;
2456 if ((ac97->id & 0xffffff00) != 0x41445300) {
2457 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2458 return -EINVAL;
2459 }
2460 /* Turn on OMS bit to route microphone to back panel */
2461 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2462 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2463 return 0;
2464}
2465
2466static const snd_kcontrol_new_t snd_ac97_alc_jack_detect =
2467AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2468
2469/* ac97 tune: set up ALC jack-select */
2470static int tune_alc_jack(ac97_t *ac97)
2471{
2472 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2473 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2474 return -EINVAL;
2475 }
2476 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2477 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2478 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2479}
2480
2481/* ac97 tune: inversed EAPD bit */
2482static int tune_inv_eapd(ac97_t *ac97)
2483{
2484 snd_kcontrol_t *kctl = ctl_find(ac97, "External Amplifier", NULL);
2485 if (! kctl)
2486 return -ENOENT;
2487 set_inv_eapd(ac97, kctl);
2488 return 0;
2489}
2490
2491static int master_mute_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2492{
2493 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2494 if (err > 0) {
2495 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
2496 int shift = (kcontrol->private_value >> 8) & 0x0f;
2497 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2498 unsigned short mask;
2499 if (shift != rshift)
2500 mask = 0x8080;
2501 else
2502 mask = 0x8000;
2503 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2504 (ac97->regs[AC97_MASTER] & mask) == mask ?
2505 0x8000 : 0);
2506 }
2507 return err;
2508}
2509
2510/* ac97 tune: EAPD controls mute LED bound with the master mute */
2511static int tune_mute_led(ac97_t *ac97)
2512{
2513 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2514 if (! msw)
2515 return -ENOENT;
2516 msw->put = master_mute_sw_put;
2517 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2518 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2519 return 0;
2520}
2521
2522struct quirk_table {
2523 const char *name;
2524 int (*func)(ac97_t *);
2525};
2526
2527static struct quirk_table applicable_quirks[] = {
2528 { "none", NULL },
2529 { "hp_only", tune_hp_only },
2530 { "swap_hp", tune_swap_hp },
2531 { "swap_surround", tune_swap_surround },
2532 { "ad_sharing", tune_ad_sharing },
2533 { "alc_jack", tune_alc_jack },
2534 { "inv_eapd", tune_inv_eapd },
2535 { "mute_led", tune_mute_led },
2536};
2537
2538/* apply the quirk with the given type */
2539static int apply_quirk(ac97_t *ac97, int type)
2540{
2541 if (type <= 0)
2542 return 0;
2543 else if (type >= ARRAY_SIZE(applicable_quirks))
2544 return -EINVAL;
2545 if (applicable_quirks[type].func)
2546 return applicable_quirks[type].func(ac97);
2547 return 0;
2548}
2549
2550/* apply the quirk with the given name */
2551static int apply_quirk_str(ac97_t *ac97, const char *typestr)
2552{
2553 int i;
2554 struct quirk_table *q;
2555
2556 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2557 q = &applicable_quirks[i];
2558 if (q->name && ! strcmp(typestr, q->name))
2559 return apply_quirk(ac97, i);
2560 }
2561 /* for compatibility, accept the numbers, too */
2562 if (*typestr >= '0' && *typestr <= '9')
2563 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2564 return -EINVAL;
2565}
2566
2567/**
2568 * snd_ac97_tune_hardware - tune up the hardware
2569 * @ac97: the ac97 instance
2570 * @quirk: quirk list
2571 * @override: explicit quirk value (overrides the list if non-NULL)
2572 *
2573 * Do some workaround for each pci device, such as renaming of the
2574 * headphone (true line-out) control as "Master".
2575 * The quirk-list must be terminated with a zero-filled entry.
2576 *
2577 * Returns zero if successful, or a negative error code on failure.
2578 */
2579
2580int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override)
2581{
2582 int result;
2583
1da177e4
LT		 2584 /* quirk overriden? */
2585 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2586 result = apply_quirk_str(ac97, override);
2587 if (result < 0)
2588 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2589 return result;
2590 }
2591
4b499486
PP		 2592 if (! quirk)
2593 return -EINVAL;
2594
69ad07cf
JK		 2595 for (; quirk->subvendor; quirk++) {
2596 if (quirk->subvendor != ac97->subsystem_vendor)
1da177e4 2597 continue;
69ad07cf
JK		 2598 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2599 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
1da177e4
LT		 2600 if (quirk->codec_id && quirk->codec_id != ac97->id)
2601 continue;
2602 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2603 result = apply_quirk(ac97, quirk->type);
2604 if (result < 0)
2605 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2606 return result;
2607 }
2608 }
2609 return 0;
2610}
2611
2612
2613/*
2614 * Exported symbols
2615 */
2616
2617EXPORT_SYMBOL(snd_ac97_write);
2618EXPORT_SYMBOL(snd_ac97_read);
2619EXPORT_SYMBOL(snd_ac97_write_cache);
2620EXPORT_SYMBOL(snd_ac97_update);
2621EXPORT_SYMBOL(snd_ac97_update_bits);
2622EXPORT_SYMBOL(snd_ac97_get_short_name);
2623EXPORT_SYMBOL(snd_ac97_bus);
2624EXPORT_SYMBOL(snd_ac97_mixer);
2625EXPORT_SYMBOL(snd_ac97_pcm_assign);
2626EXPORT_SYMBOL(snd_ac97_pcm_open);
2627EXPORT_SYMBOL(snd_ac97_pcm_close);
2628EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2629EXPORT_SYMBOL(snd_ac97_tune_hardware);
2630EXPORT_SYMBOL(snd_ac97_set_rate);
2631#ifdef CONFIG_PM
2632EXPORT_SYMBOL(snd_ac97_resume);
2633EXPORT_SYMBOL(snd_ac97_suspend);
2634#endif
2635
2636/*
2637 * INIT part
2638 */
2639
2640static int __init alsa_ac97_init(void)
2641{
2642 return 0;
2643}
2644
2645static void __exit alsa_ac97_exit(void)
2646{
2647}
2648
2649module_init(alsa_ac97_init)
2650module_exit(alsa_ac97_exit)
Clone of davem's net-next-2.6 tree