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[ALSA] dev_class=SNDRV_PCM_CLASS_MODEM for modem PCMs
[net-next-2.6.git] / sound / pci / ac97 / ac97_codec.c
CommitLineData
1da177e4
LT		 1/*
2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * Universal interface for Audio Codec '97
4 *
5 * For more details look to AC '97 component specification revision 2.2
6 * by Intel Corporation (http://developer.intel.com).
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25#include <sound/driver.h>
26#include <linux/delay.h>
27#include <linux/init.h>
28#include <linux/slab.h>
29#include <linux/pci.h>
30#include <linux/moduleparam.h>
31#include <sound/core.h>
32#include <sound/pcm.h>
33#include <sound/ac97_codec.h>
34#include <sound/asoundef.h>
35#include <sound/initval.h>
36#include "ac97_local.h"
37#include "ac97_id.h"
38#include "ac97_patch.h"
39
40MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
41MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
42MODULE_LICENSE("GPL");
43
44static int enable_loopback;
45
46module_param(enable_loopback, bool, 0444);
47MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
48
49/*
50
51 */
52
53typedef struct {
54 unsigned int id;
55 unsigned int mask;
56 const char *name;
57 int (*patch)(ac97_t *ac97);
58 int (*mpatch)(ac97_t *ac97);
59 unsigned int flags;
60} ac97_codec_id_t;
61
62static const ac97_codec_id_t snd_ac97_codec_id_vendors[] = {
63{ 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
64{ 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
65{ 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
66{ 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
67{ 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
68{ 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
69{ 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
70{ 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
71{ 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
72{ 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
73{ 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
74{ 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
75{ 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
76{ 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
77{ 0x50534300, 0xffffff00, "Philips", NULL, NULL },
78{ 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
79{ 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
80{ 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
81{ 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
82{ 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
83{ 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
84{ 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
85{ 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
86{ 0, 0, NULL, NULL, NULL }
87};
88
89static const ac97_codec_id_t snd_ac97_codec_ids[] = {
90{ 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
91{ 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
92{ 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
93{ 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
94{ 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
95{ 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
96{ 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
97{ 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
98{ 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
99{ 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
100{ 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
101{ 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
102{ 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
103{ 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
104{ 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
105{ 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
106{ 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
107{ 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL },
108{ 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
109{ 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
110{ 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
111{ 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
112{ 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
113{ 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
114{ 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
a5022b0d 115{ 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
1da177e4
LT		 116{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
117{ 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
118{ 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
119{ 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
120{ 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
121{ 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
122{ 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
123{ 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
5f0dccf8 124{ 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
1da177e4
LT		 125{ 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
126{ 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
127{ 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
128{ 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
129{ 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
130{ 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
131{ 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
132{ 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
133{ 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
134{ 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
135{ 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
136{ 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
137{ 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
138{ 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
139{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
140{ 0x454d4328, 0xffffffff, "28028", NULL, NULL }, // same as TR28028?
141{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
142{ 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
143{ 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
144{ 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
145{ 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
146{ 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
147{ 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
148{ 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
149{ 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
150{ 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
151{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
152{ 0x4e534350, 0xffffffff, "LM4550", NULL, NULL },
153{ 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
87d61c29 154{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
1da177e4
LT		 155{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
156{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
157{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
158{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
159{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
160{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
4b499486 161{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
1da177e4
LT		 162{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
163{ 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
164{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
165{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
166{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
167{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
168{ 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
169{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
170{ 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
171{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
172{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
173{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
174{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
175{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
176{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
177{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
178{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
179{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
180{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
181{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
182{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
183{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
184{ 0, 0, NULL, NULL, NULL }
185};
186
187const char *snd_ac97_stereo_enhancements[] =
188{
189 /* 0 */ "No 3D Stereo Enhancement",
190 /* 1 */ "Analog Devices Phat Stereo",
191 /* 2 */ "Creative Stereo Enhancement",
192 /* 3 */ "National Semi 3D Stereo Enhancement",
193 /* 4 */ "YAMAHA Ymersion",
194 /* 5 */ "BBE 3D Stereo Enhancement",
195 /* 6 */ "Crystal Semi 3D Stereo Enhancement",
196 /* 7 */ "Qsound QXpander",
197 /* 8 */ "Spatializer 3D Stereo Enhancement",
198 /* 9 */ "SRS 3D Stereo Enhancement",
199 /* 10 */ "Platform Tech 3D Stereo Enhancement",
200 /* 11 */ "AKM 3D Audio",
201 /* 12 */ "Aureal Stereo Enhancement",
202 /* 13 */ "Aztech 3D Enhancement",
203 /* 14 */ "Binaura 3D Audio Enhancement",
204 /* 15 */ "ESS Technology Stereo Enhancement",
205 /* 16 */ "Harman International VMAx",
206 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
207 /* 18 */ "Philips Incredible Sound",
208 /* 19 */ "Texas Instruments 3D Stereo Enhancement",
209 /* 20 */ "VLSI Technology 3D Stereo Enhancement",
210 /* 21 */ "TriTech 3D Stereo Enhancement",
211 /* 22 */ "Realtek 3D Stereo Enhancement",
212 /* 23 */ "Samsung 3D Stereo Enhancement",
213 /* 24 */ "Wolfson Microelectronics 3D Enhancement",
214 /* 25 */ "Delta Integration 3D Enhancement",
215 /* 26 */ "SigmaTel 3D Enhancement",
216 /* 27 */ "IC Ensemble/KS Waves",
217 /* 28 */ "Rockwell 3D Stereo Enhancement",
218 /* 29 */ "Reserved 29",
219 /* 30 */ "Reserved 30",
220 /* 31 */ "Reserved 31"
221};
222
223/*
224 * Shared AC97 controllers (ICH, ATIIXP...)
225 */
226static DECLARE_MUTEX(shared_codec_mutex);
227static ac97_t *shared_codec[AC97_SHARED_TYPES][4];
228
229
230/*
231 * I/O routines
232 */
233
234static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg)
235{
236 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
237 return 0;
238
239 /* filter some registers for buggy codecs */
240 switch (ac97->id) {
241 case AC97_ID_AK4540:
242 case AC97_ID_AK4542:
243 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
244 return 1;
245 return 0;
246 case AC97_ID_AD1819: /* AD1819 */
247 case AC97_ID_AD1881: /* AD1881 */
248 case AC97_ID_AD1881A: /* AD1881A */
249 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
250 return 0;
251 return 1;
252 case AC97_ID_AD1885: /* AD1885 */
253 case AC97_ID_AD1886: /* AD1886 */
254 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
255 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
256 if (reg == 0x5a)
257 return 1;
258 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
259 return 0;
260 return 1;
261 case AC97_ID_STAC9700:
262 case AC97_ID_STAC9704:
263 case AC97_ID_STAC9705:
264 case AC97_ID_STAC9708:
265 case AC97_ID_STAC9721:
266 case AC97_ID_STAC9744:
267 case AC97_ID_STAC9756:
268 if (reg <= 0x3a || reg >= 0x5a)
269 return 1;
270 return 0;
271 }
272 return 1;
273}
274
275/**
276 * snd_ac97_write - write a value on the given register
277 * @ac97: the ac97 instance
278 * @reg: the register to change
279 * @value: the value to set
280 *
281 * Writes a value on the given register. This will invoke the write
282 * callback directly after the register check.
283 * This function doesn't change the register cache unlike
284 * #snd_ca97_write_cache(), so use this only when you don't want to
285 * reflect the change to the suspend/resume state.
286 */
287void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value)
288{
289 if (!snd_ac97_valid_reg(ac97, reg))
290 return;
291 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
292 /* Fix H/W bug of ALC100/100P */
293 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
294 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
295 }
296 ac97->bus->ops->write(ac97, reg, value);
297}
298
299/**
300 * snd_ac97_read - read a value from the given register
301 *
302 * @ac97: the ac97 instance
303 * @reg: the register to read
304 *
305 * Reads a value from the given register. This will invoke the read
306 * callback directly after the register check.
307 *
308 * Returns the read value.
309 */
310unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg)
311{
312 if (!snd_ac97_valid_reg(ac97, reg))
313 return 0;
314 return ac97->bus->ops->read(ac97, reg);
315}
316
317/* read a register - return the cached value if already read */
318static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short reg)
319{
320 if (! test_bit(reg, ac97->reg_accessed)) {
321 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
322 // set_bit(reg, ac97->reg_accessed);
323 }
324 return ac97->regs[reg];
325}
326
327/**
328 * snd_ac97_write_cache - write a value on the given register and update the cache
329 * @ac97: the ac97 instance
330 * @reg: the register to change
331 * @value: the value to set
332 *
333 * Writes a value on the given register and updates the register
334 * cache. The cached values are used for the cached-read and the
335 * suspend/resume.
336 */
337void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value)
338{
339 if (!snd_ac97_valid_reg(ac97, reg))
340 return;
341 down(&ac97->reg_mutex);
342 ac97->regs[reg] = value;
343 ac97->bus->ops->write(ac97, reg, value);
344 set_bit(reg, ac97->reg_accessed);
345 up(&ac97->reg_mutex);
346}
347
348/**
349 * snd_ac97_update - update the value on the given register
350 * @ac97: the ac97 instance
351 * @reg: the register to change
352 * @value: the value to set
353 *
354 * Compares the value with the register cache and updates the value
355 * only when the value is changed.
356 *
357 * Returns 1 if the value is changed, 0 if no change, or a negative
358 * code on failure.
359 */
360int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value)
361{
362 int change;
363
364 if (!snd_ac97_valid_reg(ac97, reg))
365 return -EINVAL;
366 down(&ac97->reg_mutex);
367 change = ac97->regs[reg] != value;
368 if (change) {
369 ac97->regs[reg] = value;
370 ac97->bus->ops->write(ac97, reg, value);
371 }
52b72388 372 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 373 up(&ac97->reg_mutex);
374 return change;
375}
376
377/**
378 * snd_ac97_update_bits - update the bits on the given register
379 * @ac97: the ac97 instance
380 * @reg: the register to change
381 * @mask: the bit-mask to change
382 * @value: the value to set
383 *
384 * Updates the masked-bits on the given register only when the value
385 * is changed.
386 *
387 * Returns 1 if the bits are changed, 0 if no change, or a negative
388 * code on failure.
389 */
390int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value)
391{
392 int change;
393
394 if (!snd_ac97_valid_reg(ac97, reg))
395 return -EINVAL;
396 down(&ac97->reg_mutex);
397 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
398 up(&ac97->reg_mutex);
399 return change;
400}
401
402/* no lock version - see snd_ac97_updat_bits() */
403int snd_ac97_update_bits_nolock(ac97_t *ac97, unsigned short reg,
404 unsigned short mask, unsigned short value)
405{
406 int change;
407 unsigned short old, new;
408
409 old = snd_ac97_read_cache(ac97, reg);
410 new = (old & ~mask) | value;
411 change = old != new;
412 if (change) {
413 ac97->regs[reg] = new;
414 ac97->bus->ops->write(ac97, reg, new);
415 }
52b72388 416 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 417 return change;
418}
419
420static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value)
421{
422 int change;
423 unsigned short old, new, cfg;
424
425 down(&ac97->page_mutex);
426 old = ac97->spec.ad18xx.pcmreg[codec];
427 new = (old & ~mask) | value;
428 change = old != new;
429 if (change) {
430 down(&ac97->reg_mutex);
431 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
432 ac97->spec.ad18xx.pcmreg[codec] = new;
433 /* select single codec */
434 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
435 (cfg & ~0x7000) |
436 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
437 /* update PCM bits */
438 ac97->bus->ops->write(ac97, AC97_PCM, new);
439 /* select all codecs */
440 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
441 cfg | 0x7000);
442 up(&ac97->reg_mutex);
443 }
444 up(&ac97->page_mutex);
445 return change;
446}
447
448/*
449 * Controls
450 */
451
452int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
453{
454 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
455
456 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
457 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
458 uinfo->value.enumerated.items = e->mask;
459
460 if (uinfo->value.enumerated.item > e->mask - 1)
461 uinfo->value.enumerated.item = e->mask - 1;
462 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
463 return 0;
464}
465
466int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
467{
468 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
469 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 470 unsigned short val, bitmask;
1da177e4 471
b16760bb 472 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 473 ;
1da177e4 474 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 475 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 476 if (e->shift_l != e->shift_r)
5f0dccf8 477 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 478
479 return 0;
480}
481
482int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
483{
484 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
485 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
486 unsigned short val;
5f0dccf8 487 unsigned short mask, bitmask;
1da177e4 488
b16760bb 489 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 490 ;
1da177e4
LT		 491 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
492 return -EINVAL;
493 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 494 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 495 if (e->shift_l != e->shift_r) {
496 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
497 return -EINVAL;
498 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 499 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 500 }
501 return snd_ac97_update_bits(ac97, e->reg, mask, val);
502}
503
504/* save/restore ac97 v2.3 paging */
505static int snd_ac97_page_save(ac97_t *ac97, int reg, snd_kcontrol_t *kcontrol)
506{
507 int page_save = -1;
508 if ((kcontrol->private_value & (1<<25)) &&
509 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
510 (reg >= 0x60 && reg < 0x70)) {
511 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
512 down(&ac97->page_mutex); /* lock paging */
513 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
514 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
515 }
516 return page_save;
517}
518
519static void snd_ac97_page_restore(ac97_t *ac97, int page_save)
520{
521 if (page_save >= 0) {
522 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
523 up(&ac97->page_mutex); /* unlock paging */
524 }
525}
526
527/* volume and switch controls */
528int snd_ac97_info_volsw(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
529{
530 int mask = (kcontrol->private_value >> 16) & 0xff;
531 int shift = (kcontrol->private_value >> 8) & 0x0f;
532 int rshift = (kcontrol->private_value >> 12) & 0x0f;
533
534 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
535 uinfo->count = shift == rshift ? 1 : 2;
536 uinfo->value.integer.min = 0;
537 uinfo->value.integer.max = mask;
538 return 0;
539}
540
541int snd_ac97_get_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
542{
543 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
544 int reg = kcontrol->private_value & 0xff;
545 int shift = (kcontrol->private_value >> 8) & 0x0f;
546 int rshift = (kcontrol->private_value >> 12) & 0x0f;
547 int mask = (kcontrol->private_value >> 16) & 0xff;
548 int invert = (kcontrol->private_value >> 24) & 0x01;
549 int page_save;
550
551 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
552 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
553 if (shift != rshift)
554 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
555 if (invert) {
556 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
557 if (shift != rshift)
558 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
559 }
560 snd_ac97_page_restore(ac97, page_save);
561 return 0;
562}
563
564int snd_ac97_put_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
565{
566 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
567 int reg = kcontrol->private_value & 0xff;
568 int shift = (kcontrol->private_value >> 8) & 0x0f;
569 int rshift = (kcontrol->private_value >> 12) & 0x0f;
570 int mask = (kcontrol->private_value >> 16) & 0xff;
571 int invert = (kcontrol->private_value >> 24) & 0x01;
572 int err, page_save;
573 unsigned short val, val2, val_mask;
574
575 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
576 val = (ucontrol->value.integer.value[0] & mask);
577 if (invert)
578 val = mask - val;
579 val_mask = mask << shift;
580 val = val << shift;
581 if (shift != rshift) {
582 val2 = (ucontrol->value.integer.value[1] & mask);
583 if (invert)
584 val2 = mask - val2;
585 val_mask |= mask << rshift;
586 val |= val2 << rshift;
587 }
588 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
589 snd_ac97_page_restore(ac97, page_save);
590 return err;
591}
592
593static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = {
594AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
595AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
596};
597
598static const snd_kcontrol_new_t snd_ac97_controls_tone[2] = {
599AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
600AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
601};
602
603static const snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = {
604AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
605AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
606};
607
608static const snd_kcontrol_new_t snd_ac97_controls_mic_boost =
609 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
610
611
612static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
613static const char* std_3d_path[] = {"pre 3D", "post 3D"};
614static const char* std_mix[] = {"Mix", "Mic"};
615static const char* std_mic[] = {"Mic1", "Mic2"};
616
617static const struct ac97_enum std_enum[] = {
618AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
619AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
620AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
621AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
622};
623
624static const snd_kcontrol_new_t snd_ac97_control_capture_src =
625AC97_ENUM("Capture Source", std_enum[0]);
626
627static const snd_kcontrol_new_t snd_ac97_control_capture_vol =
628AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
629
630static const snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = {
631AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
632AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
633};
634
635typedef enum {
636 AC97_GENERAL_PCM_OUT = 0,
637 AC97_GENERAL_STEREO_ENHANCEMENT,
638 AC97_GENERAL_3D,
639 AC97_GENERAL_LOUDNESS,
640 AC97_GENERAL_MONO,
641 AC97_GENERAL_MIC,
642 AC97_GENERAL_LOOPBACK
643} ac97_general_index_t;
644
645static const snd_kcontrol_new_t snd_ac97_controls_general[7] = {
646AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
647AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
648AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
649AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
650AC97_ENUM("Mono Output Select", std_enum[2]),
651AC97_ENUM("Mic Select", std_enum[3]),
652AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
653};
654
655const snd_kcontrol_new_t snd_ac97_controls_3d[2] = {
656AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
657AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
658};
659
660static const snd_kcontrol_new_t snd_ac97_controls_center[2] = {
661AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
662AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
663};
664
665static const snd_kcontrol_new_t snd_ac97_controls_lfe[2] = {
666AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
667AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
668};
669
1da177e4
LT		 670static const snd_kcontrol_new_t snd_ac97_control_eapd =
671AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
672
87d61c29
SK		 673static const snd_kcontrol_new_t snd_ac97_controls_modem_switches[2] = {
674AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
675AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
676};
677
1da177e4
LT		 678/* change the existing EAPD control as inverted */
679static void set_inv_eapd(ac97_t *ac97, snd_kcontrol_t *kctl)
680{
681 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
682 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
683 ac97->scaps |= AC97_SCAP_INV_EAPD;
684}
685
686static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
687{
688 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
689 uinfo->count = 1;
690 return 0;
691}
692
693static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
694{
695 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
696 IEC958_AES0_NONAUDIO |
697 IEC958_AES0_CON_EMPHASIS_5015 |
698 IEC958_AES0_CON_NOT_COPYRIGHT;
699 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
700 IEC958_AES1_CON_ORIGINAL;
701 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
702 return 0;
703}
704
705static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
706{
707 /* FIXME: AC'97 spec doesn't say which bits are used for what */
708 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
709 IEC958_AES0_NONAUDIO |
710 IEC958_AES0_PRO_FS |
711 IEC958_AES0_PRO_EMPHASIS_5015;
712 return 0;
713}
714
715static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
716{
717 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
718
719 down(&ac97->reg_mutex);
720 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
721 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
722 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
723 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
724 up(&ac97->reg_mutex);
725 return 0;
726}
727
728static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
729{
730 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
731 unsigned int new = 0;
732 unsigned short val = 0;
733 int change;
734
735 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
736 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
737 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
738 switch (new & IEC958_AES0_PRO_FS) {
739 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
740 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
741 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
742 default: val |= 1<<12; break;
743 }
744 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
745 val |= 1<<3;
746 } else {
747 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
748 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
749 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
750 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
751 val |= 1<<3;
752 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
753 val |= 1<<2;
754 val |= ((new >> 8) & 0xff) << 4; // category + original
755 switch ((new >> 24) & 0xff) {
756 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
757 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
758 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
759 default: val |= 1<<12; break;
760 }
761 }
762
763 down(&ac97->reg_mutex);
764 change = ac97->spdif_status != new;
765 ac97->spdif_status = new;
766
767 if (ac97->flags & AC97_CS_SPDIF) {
768 int x = (val >> 12) & 0x03;
769 switch (x) {
770 case 0: x = 1; break; // 44.1
771 case 2: x = 0; break; // 48.0
772 default: x = 0; break; // illegal.
773 }
774 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
775 } else if (ac97->flags & AC97_CX_SPDIF) {
776 int v;
777 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
778 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
779 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
780 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
781 v);
782 } else {
783 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
784 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
785
786 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
787 if (extst & AC97_EA_SPDIF) {
788 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
789 }
790 }
791 up(&ac97->reg_mutex);
792
793 return change;
794}
795
796static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
797{
798 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
799 int reg = kcontrol->private_value & 0xff;
800 int shift = (kcontrol->private_value >> 8) & 0xff;
801 int mask = (kcontrol->private_value >> 16) & 0xff;
802 // int invert = (kcontrol->private_value >> 24) & 0xff;
803 unsigned short value, old, new;
804 int change;
805
806 value = (ucontrol->value.integer.value[0] & mask);
807
808 down(&ac97->reg_mutex);
809 mask <<= shift;
810 value <<= shift;
811 old = snd_ac97_read_cache(ac97, reg);
812 new = (old & ~mask) | value;
813 change = old != new;
814
815 if (change) {
816 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
817 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
818 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
819 if (extst & AC97_EA_SPDIF)
820 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
821 }
822 up(&ac97->reg_mutex);
823 return change;
824}
825
826const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = {
827 {
828 .access = SNDRV_CTL_ELEM_ACCESS_READ,
829 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
830 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
831 .info = snd_ac97_spdif_mask_info,
832 .get = snd_ac97_spdif_cmask_get,
833 },
834 {
835 .access = SNDRV_CTL_ELEM_ACCESS_READ,
836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
838 .info = snd_ac97_spdif_mask_info,
839 .get = snd_ac97_spdif_pmask_get,
840 },
841 {
842 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
843 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
844 .info = snd_ac97_spdif_mask_info,
845 .get = snd_ac97_spdif_default_get,
846 .put = snd_ac97_spdif_default_put,
847 },
848
849 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
850 {
851 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
852 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
853 .info = snd_ac97_info_volsw,
854 .get = snd_ac97_get_volsw,
855 .put = snd_ac97_put_spsa,
856 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
857 },
858};
859
860#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
861{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
862 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
863 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
864
865static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
866{
867 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
868 int mask = (kcontrol->private_value >> 16) & 0x0f;
869 int lshift = (kcontrol->private_value >> 8) & 0x0f;
870 int rshift = (kcontrol->private_value >> 12) & 0x0f;
871
872 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
873 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
874 uinfo->count = 2;
875 else
876 uinfo->count = 1;
877 uinfo->value.integer.min = 0;
878 uinfo->value.integer.max = mask;
879 return 0;
880}
881
882static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
883{
884 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
885 int codec = kcontrol->private_value & 3;
886 int lshift = (kcontrol->private_value >> 8) & 0x0f;
887 int rshift = (kcontrol->private_value >> 12) & 0x0f;
888 int mask = (kcontrol->private_value >> 16) & 0xff;
889
890 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
891 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
892 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
893 return 0;
894}
895
896static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
897{
898 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
899 int codec = kcontrol->private_value & 3;
900 int lshift = (kcontrol->private_value >> 8) & 0x0f;
901 int rshift = (kcontrol->private_value >> 12) & 0x0f;
902 int mask = (kcontrol->private_value >> 16) & 0xff;
903 unsigned short val, valmask;
904
905 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
906 valmask = mask << lshift;
907 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
908 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
909 valmask |= mask << rshift;
910 }
911 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
912}
913
914#define AD18XX_PCM_VOLUME(xname, codec) \
915{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
916 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
917 .private_value = codec }
918
919static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
920{
921 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
922 uinfo->count = 2;
923 uinfo->value.integer.min = 0;
924 uinfo->value.integer.max = 31;
925 return 0;
926}
927
928static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
929{
930 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
931 int codec = kcontrol->private_value & 3;
932
933 down(&ac97->page_mutex);
934 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
935 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
936 up(&ac97->page_mutex);
937 return 0;
938}
939
940static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
941{
942 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
943 int codec = kcontrol->private_value & 3;
944 unsigned short val1, val2;
945
946 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
947 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
948 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
949}
950
951static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = {
952AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
953AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
954};
955
956static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = {
957AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
958AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
959};
960
961static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = {
962AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
963AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
964};
965
966static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = {
967AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
968AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
969};
970
971/*
972 *
973 */
974
975static void snd_ac97_powerdown(ac97_t *ac97);
976
977static int snd_ac97_bus_free(ac97_bus_t *bus)
978{
979 if (bus) {
980 snd_ac97_bus_proc_done(bus);
981 kfree(bus->pcms);
982 if (bus->private_free)
983 bus->private_free(bus);
984 kfree(bus);
985 }
986 return 0;
987}
988
989static int snd_ac97_bus_dev_free(snd_device_t *device)
990{
991 ac97_bus_t *bus = device->device_data;
992 return snd_ac97_bus_free(bus);
993}
994
995static int snd_ac97_free(ac97_t *ac97)
996{
997 if (ac97) {
998 snd_ac97_proc_done(ac97);
999 if (ac97->bus) {
1000 ac97->bus->codec[ac97->num] = NULL;
1001 if (ac97->bus->shared_type) {
1002 down(&shared_codec_mutex);
1003 shared_codec[ac97->bus->shared_type-1][ac97->num] = NULL;
1004 up(&shared_codec_mutex);
1005 }
1006 }
1007 if (ac97->private_free)
1008 ac97->private_free(ac97);
1009 kfree(ac97);
1010 }
1011 return 0;
1012}
1013
1014static int snd_ac97_dev_free(snd_device_t *device)
1015{
1016 ac97_t *ac97 = device->device_data;
1017 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1018 return snd_ac97_free(ac97);
1019}
1020
1021static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg)
1022{
1023 unsigned short val, mask = 0x8000;
1024
1025 if (! snd_ac97_valid_reg(ac97, reg))
1026 return 0;
1027
1028 switch (reg) {
1029 case AC97_MASTER_TONE:
1030 return ac97->caps & 0x04 ? 1 : 0;
1031 case AC97_HEADPHONE:
1032 return ac97->caps & 0x10 ? 1 : 0;
1033 case AC97_REC_GAIN_MIC:
1034 return ac97->caps & 0x01 ? 1 : 0;
1035 case AC97_3D_CONTROL:
1036 if (ac97->caps & 0x7c00) {
1037 val = snd_ac97_read(ac97, reg);
1038 /* if nonzero - fixed and we can't set it */
1039 return val == 0;
1040 }
1041 return 0;
1042 case AC97_CENTER_LFE_MASTER: /* center */
1043 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1044 return 0;
1045 break;
1046 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1047 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1048 return 0;
1049 reg = AC97_CENTER_LFE_MASTER;
1050 mask = 0x0080;
1051 break;
1052 case AC97_SURROUND_MASTER:
1053 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1054 return 0;
1055 break;
1056 }
1057
1058 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1059 return 1; /* allow without check */
1060
1061 val = snd_ac97_read(ac97, reg);
1062 if (!(val & mask)) {
1063 /* nothing seems to be here - mute flag is not set */
1064 /* try another test */
1065 snd_ac97_write_cache(ac97, reg, val | mask);
1066 val = snd_ac97_read(ac97, reg);
1067 if (!(val & mask))
1068 return 0; /* nothing here */
1069 }
1070 return 1; /* success, useable */
1071}
1072
1073static void check_volume_resolution(ac97_t *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1074{
1075 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1076 unsigned char max[3] = { 63, 31, 15 };
1077 int i;
1078
1079 *lo_max = *hi_max = 0;
1080 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1081 unsigned short val;
1082 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
c9eab129
JCD		 1083 /* Do the read twice due to buffers on some ac97 codecs.
1084 * e.g. The STAC9704 returns exactly what you wrote the the register
1085 * if you read it immediately. This causes the detect routine to fail.
1086 */
1087 val = snd_ac97_read(ac97, reg);
1da177e4 1088 val = snd_ac97_read(ac97, reg);
a2142674 1089 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1090 *lo_max = max[i];
a2142674 1091 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1092 *hi_max = max[i];
1093 if (*lo_max && *hi_max)
1094 break;
1095 }
1096}
1097
1098int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit)
1099{
1100 unsigned short mask, val, orig, res;
1101
1102 mask = 1 << bit;
1103 orig = snd_ac97_read(ac97, reg);
1104 val = orig ^ mask;
1105 snd_ac97_write(ac97, reg, val);
1106 res = snd_ac97_read(ac97, reg);
1107 snd_ac97_write_cache(ac97, reg, orig);
1108 return res == val;
1109}
1110
1111/* check the volume resolution of center/lfe */
1112static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max)
1113{
1114 unsigned short val, val1;
1115
1116 *max = 63;
1117 val = 0x8080 | (0x20 << shift);
1118 snd_ac97_write(ac97, reg, val);
1119 val1 = snd_ac97_read(ac97, reg);
1120 if (val != val1) {
1121 *max = 31;
1122 }
1123 /* reset volume to zero */
1124 snd_ac97_write_cache(ac97, reg, 0x8080);
1125}
1126
1127static inline int printable(unsigned int x)
1128{
1129 x &= 0xff;
1130 if (x < ' ' || x >= 0x71) {
1131 if (x <= 0x89)
1132 return x - 0x71 + 'A';
1133 return '?';
1134 }
1135 return x;
1136}
1137
1138snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97)
1139{
1140 snd_kcontrol_new_t template;
1141 memcpy(&template, _template, sizeof(template));
1142 snd_runtime_check(!template.index, return NULL);
1143 template.index = ac97->num;
1144 return snd_ctl_new1(&template, ac97);
1145}
1146
1147/*
1148 * create mute switch(es) for normal stereo controls
1149 */
1150static int snd_ac97_cmute_new_stereo(snd_card_t *card, char *name, int reg, int check_stereo, ac97_t *ac97)
1151{
1152 snd_kcontrol_t *kctl;
1153 int err;
1154 unsigned short val, val1, mute_mask;
1155
1156 if (! snd_ac97_valid_reg(ac97, reg))
1157 return 0;
1158
1159 mute_mask = 0x8000;
1160 val = snd_ac97_read(ac97, reg);
1161 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1162 /* check whether both mute bits work */
1163 val1 = val | 0x8080;
1164 snd_ac97_write(ac97, reg, val1);
1165 if (val1 == snd_ac97_read(ac97, reg))
1166 mute_mask = 0x8080;
1167 }
1168 if (mute_mask == 0x8080) {
1169 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1170 tmp.index = ac97->num;
1171 kctl = snd_ctl_new1(&tmp, ac97);
1172 } else {
1173 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1174 tmp.index = ac97->num;
1175 kctl = snd_ctl_new1(&tmp, ac97);
1176 }
1177 err = snd_ctl_add(card, kctl);
1178 if (err < 0)
1179 return err;
1180 /* mute as default */
1181 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1182 return 0;
1183}
1184
1185/*
1186 * create a volume for normal stereo/mono controls
1187 */
1188static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int lo_max,
1189 unsigned int hi_max, ac97_t *ac97)
1190{
1191 int err;
1192 snd_kcontrol_t *kctl;
1193
1194 if (! snd_ac97_valid_reg(ac97, reg))
1195 return 0;
1196 if (hi_max) {
1197 /* invert */
1198 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1199 tmp.index = ac97->num;
1200 kctl = snd_ctl_new1(&tmp, ac97);
1201 } else {
1202 /* invert */
1203 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1204 tmp.index = ac97->num;
1205 kctl = snd_ctl_new1(&tmp, ac97);
1206 }
1207 err = snd_ctl_add(card, kctl);
1208 if (err < 0)
1209 return err;
1210 snd_ac97_write_cache(ac97, reg,
1211 (snd_ac97_read(ac97, reg) & 0x8080) |
1212 lo_max | (hi_max << 8));
1213 return 0;
1214}
1215
1216/*
1217 * create a mute-switch and a volume for normal stereo/mono controls
1218 */
1219static int snd_ac97_cmix_new_stereo(snd_card_t *card, const char *pfx, int reg, int check_stereo, ac97_t *ac97)
1220{
1221 int err;
1222 char name[44];
1223 unsigned char lo_max, hi_max;
1224
1225 if (! snd_ac97_valid_reg(ac97, reg))
1226 return 0;
1227
1228 if (snd_ac97_try_bit(ac97, reg, 15)) {
1229 sprintf(name, "%s Switch", pfx);
1230 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1231 return err;
1232 }
1233 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1234 if (lo_max) {
1235 sprintf(name, "%s Volume", pfx);
1236 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1237 return err;
1238 }
1239 return 0;
1240}
1241
1242#define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1243#define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1244
1245static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97);
1246
1247static int snd_ac97_mixer_build(ac97_t * ac97)
1248{
1249 snd_card_t *card = ac97->bus->card;
1250 snd_kcontrol_t *kctl;
1251 int err;
1252 unsigned int idx;
1253 unsigned char max;
1254
1255 /* build master controls */
1256 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1257 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1258 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1259 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1260 else
1261 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1262 if (err < 0)
1263 return err;
1264 }
1265
1266 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1267
1268 /* build center controls */
1269 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1270 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1271 return err;
1272 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1273 return err;
1274 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1275 kctl->private_value &= ~(0xff << 16);
1276 kctl->private_value |= (int)max << 16;
1277 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1278 }
1279
1280 /* build LFE controls */
1281 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1282 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1283 return err;
1284 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1285 return err;
1286 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1287 kctl->private_value &= ~(0xff << 16);
1288 kctl->private_value |= (int)max << 16;
1289 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1290 }
1291
1292 /* build surround controls */
1293 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1294 /* Surround Master (0x38) is with stereo mutes */
1295 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1296 return err;
1297 }
1298
1299 /* build headphone controls */
1300 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1301 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1302 return err;
1303 }
1304
1305 /* build master mono controls */
1306 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1307 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1308 return err;
1309 }
1310
1311 /* build master tone controls */
3998b70f
LG		 1312 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1313 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1314 for (idx = 0; idx < 2; idx++) {
1315 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1316 return err;
1317 if (ac97->id == AC97_ID_YMF753) {
1318 kctl->private_value &= ~(0xff << 16);
1319 kctl->private_value |= 7 << 16;
1320 }
1da177e4 1321 }
3998b70f 1322 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1da177e4 1323 }
1da177e4
LT		 1324 }
1325
1326 /* build PC Speaker controls */
1327 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1328 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1329 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1330 for (idx = 0; idx < 2; idx++)
1331 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1332 return err;
1333 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1334 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1335 }
1336
1337 /* build Phone controls */
1338 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1339 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1340 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1341 return err;
1342 }
1343 }
1344
1345 /* build MIC controls */
3998b70f
LG		 1346 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1347 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1348 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1349 return err;
1350 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1351 return err;
1352 }
1da177e4
LT		 1353 }
1354
1355 /* build Line controls */
1356 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1357 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1358 return err;
1359 }
1360
1361 /* build CD controls */
1362 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1363 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1364 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1365 return err;
1366 }
1367 }
1368
1369 /* build Video controls */
1370 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1371 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1372 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1373 return err;
1374 }
1375 }
1376
1377 /* build Aux controls */
1378 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1379 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1380 return err;
1381 }
1382
1383 /* build PCM controls */
1384 if (ac97->flags & AC97_AD_MULTI) {
1385 unsigned short init_val;
1386 if (ac97->flags & AC97_STEREO_MUTES)
1387 init_val = 0x9f9f;
1388 else
1389 init_val = 0x9f1f;
1390 for (idx = 0; idx < 2; idx++)
1391 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1392 return err;
1393 ac97->spec.ad18xx.pcmreg[0] = init_val;
1394 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1395 for (idx = 0; idx < 2; idx++)
1396 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1397 return err;
1398 ac97->spec.ad18xx.pcmreg[1] = init_val;
1399 }
1400 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1401 for (idx = 0; idx < 2; idx++)
1402 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1403 return err;
1404 for (idx = 0; idx < 2; idx++)
1405 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1406 return err;
1407 ac97->spec.ad18xx.pcmreg[2] = init_val;
1408 }
1409 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1410 } else {
3998b70f
LG		 1411 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1412 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1413 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1414 else
1415 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1416 if (err < 0)
1417 return err;
1418 }
1da177e4
LT		 1419 }
1420
1421 /* build Capture controls */
1422 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1423 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1424 return err;
1425 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1426 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1427 return err;
1428 }
1429 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1430 return err;
1431 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1432 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1433 }
1434 /* build MIC Capture controls */
1435 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1436 for (idx = 0; idx < 2; idx++)
1437 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1438 return err;
1439 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1440 }
1441
1442 /* build PCM out path & mute control */
1443 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1444 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1445 return err;
1446 }
1447
1448 /* build Simulated Stereo Enhancement control */
1449 if (ac97->caps & 0x0008) {
1450 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1451 return err;
1452 }
1453
1454 /* build 3D Stereo Enhancement control */
1455 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1456 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1457 return err;
1458 }
1459
1460 /* build Loudness control */
1461 if (ac97->caps & 0x0020) {
1462 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1463 return err;
1464 }
1465
1466 /* build Mono output select control */
1467 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1468 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1469 return err;
1470 }
1471
1472 /* build Mic select control */
1473 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1474 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1475 return err;
1476 }
1477
1478 /* build ADC/DAC loopback control */
1479 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1480 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1481 return err;
1482 }
1483
1484 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1485
1486 /* build 3D controls */
1487 if (ac97->build_ops->build_3d) {
1488 ac97->build_ops->build_3d(ac97);
1489 } else {
1490 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1491 unsigned short val;
1492 val = 0x0707;
1493 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1494 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1495 val = val == 0x0606;
1496 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1497 return err;
1498 if (val)
1499 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1500 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1501 return err;
1502 if (val)
1503 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1504 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1505 }
1506 }
1507
1508 /* build S/PDIF controls */
1509 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1510 if (ac97->build_ops->build_spdif) {
1511 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1512 return err;
1513 } else {
1514 for (idx = 0; idx < 5; idx++)
1515 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1516 return err;
1517 if (ac97->build_ops->build_post_spdif) {
1518 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1519 return err;
1520 }
1521 /* set default PCM S/PDIF params */
1522 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1523 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1524 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1525 }
1526 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1527 }
1528
1529 /* build chip specific controls */
1530 if (ac97->build_ops->build_specific)
1531 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1532 return err;
1533
1534 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1535 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1536 if (! kctl)
1537 return -ENOMEM;
1538 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1539 set_inv_eapd(ac97, kctl);
1540 if ((err = snd_ctl_add(card, kctl)) < 0)
1541 return err;
1542 }
1543
1544 return 0;
1545}
1546
1547static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97)
1548{
87d61c29
SK		 1549 int err, idx;
1550
1da177e4
LT		 1551 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1552 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1553 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1554 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1555 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1556 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1557
1558 /* build modem switches */
1559 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
0444e2ac 1560 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
87d61c29
SK		 1561 return err;
1562
1563 /* build chip specific controls */
1564 if (ac97->build_ops->build_specific)
1565 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1566 return err;
1567
1da177e4
LT		 1568 return 0;
1569}
1570
1571static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate)
1572{
1573 unsigned short val;
1574 unsigned int tmp;
1575
1576 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1577 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1578 if (shadow_reg)
1579 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1580 val = snd_ac97_read(ac97, reg);
1581 return val == (tmp & 0xffff);
1582}
1583
1584static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result)
1585{
1586 unsigned int result = 0;
1587 unsigned short saved;
1588
1589 if (ac97->bus->no_vra) {
1590 *r_result = SNDRV_PCM_RATE_48000;
1591 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1592 reg == AC97_PCM_FRONT_DAC_RATE)
1593 *r_result |= SNDRV_PCM_RATE_96000;
1594 return;
1595 }
1596
1597 saved = snd_ac97_read(ac97, reg);
1598 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1599 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1600 AC97_EA_DRA, 0);
1601 /* test a non-standard rate */
1602 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1603 result |= SNDRV_PCM_RATE_CONTINUOUS;
1604 /* let's try to obtain standard rates */
1605 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1606 result |= SNDRV_PCM_RATE_8000;
1607 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1608 result |= SNDRV_PCM_RATE_11025;
1609 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1610 result |= SNDRV_PCM_RATE_16000;
1611 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1612 result |= SNDRV_PCM_RATE_22050;
1613 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1614 result |= SNDRV_PCM_RATE_32000;
1615 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1616 result |= SNDRV_PCM_RATE_44100;
1617 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1618 result |= SNDRV_PCM_RATE_48000;
1619 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1620 reg == AC97_PCM_FRONT_DAC_RATE) {
1621 /* test standard double rates */
1622 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1623 AC97_EA_DRA, AC97_EA_DRA);
1624 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1625 result |= SNDRV_PCM_RATE_64000;
1626 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1627 result |= SNDRV_PCM_RATE_88200;
1628 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1629 result |= SNDRV_PCM_RATE_96000;
1630 /* some codecs don't support variable double rates */
1631 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1632 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1633 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1634 AC97_EA_DRA, 0);
1635 }
1636 /* restore the default value */
1637 snd_ac97_write_cache(ac97, reg, saved);
1638 if (shadow_reg)
1639 snd_ac97_write_cache(ac97, shadow_reg, saved);
1640 *r_result = result;
1641}
1642
1643/* check AC97_SPDIF register to accept which sample rates */
1644static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97)
1645{
1646 unsigned int result = 0;
1647 int i;
1648 static unsigned short ctl_bits[] = {
1649 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1650 };
1651 static unsigned int rate_bits[] = {
1652 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1653 };
1654
1655 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1656 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1657 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1658 result |= rate_bits[i];
1659 }
1660 return result;
1661}
1662
1663/* look for the codec id table matching with the given id */
1664static const ac97_codec_id_t *look_for_codec_id(const ac97_codec_id_t *table,
1665 unsigned int id)
1666{
1667 const ac97_codec_id_t *pid;
1668
1669 for (pid = table; pid->id; pid++)
1670 if (pid->id == (id & pid->mask))
1671 return pid;
1672 return NULL;
1673}
1674
1675void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem)
1676{
1677 const ac97_codec_id_t *pid;
1678
1679 sprintf(name, "0x%x %c%c%c", id,
1680 printable(id >> 24),
1681 printable(id >> 16),
1682 printable(id >> 8));
1683 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1684 if (! pid)
1685 return;
1686
1687 strcpy(name, pid->name);
1688 if (ac97 && pid->patch) {
1689 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1690 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1691 pid->patch(ac97);
1692 }
1693
1694 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1695 if (pid) {
1696 strcat(name, " ");
1697 strcat(name, pid->name);
1698 if (pid->mask != 0xffffffff)
1699 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1700 if (ac97 && pid->patch) {
1701 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1702 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1703 pid->patch(ac97);
1704 }
1705 } else
1706 sprintf(name + strlen(name), " id %x", id & 0xff);
1707}
1708
1709/**
1710 * snd_ac97_get_short_name - retrieve codec name
1711 * @ac97: the codec instance
1712 *
1713 * Returns the short identifying name of the codec.
1714 */
1715const char *snd_ac97_get_short_name(ac97_t *ac97)
1716{
1717 const ac97_codec_id_t *pid;
1718
1719 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1720 if (pid->id == (ac97->id & pid->mask))
1721 return pid->name;
1722 return "unknown codec";
1723}
1724
1725
1726/* wait for a while until registers are accessible after RESET
1727 * return 0 if ok, negative not ready
1728 */
1729static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
1730{
1731 unsigned long end_time;
1732 unsigned short val;
1733
1734 end_time = jiffies + timeout;
1735 do {
1736
1737 /* use preliminary reads to settle the communication */
1738 snd_ac97_read(ac97, AC97_RESET);
1739 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1740 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1741 /* modem? */
1742 if (with_modem) {
1743 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1744 if (val != 0xffff && (val & 1) != 0)
1745 return 0;
1746 }
1747 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1748 /* probably only Xbox issue - all registers are read as zero */
1749 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1750 if (val != 0 && val != 0xffff)
1751 return 0;
1752 } else {
1753 /* because the PCM or MASTER volume registers can be modified,
1754 * the REC_GAIN register is used for tests
1755 */
1756 /* test if we can write to the record gain volume register */
1757 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1758 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1759 return 0;
1760 }
1761 set_current_state(TASK_UNINTERRUPTIBLE);
1762 schedule_timeout(1);
1763 } while (time_after_eq(end_time, jiffies));
1764 return -ENODEV;
1765}
1766
1767/**
1768 * snd_ac97_bus - create an AC97 bus component
1769 * @card: the card instance
1770 * @num: the bus number
1771 * @ops: the bus callbacks table
1772 * @private_data: private data pointer for the new instance
1773 * @rbus: the pointer to store the new AC97 bus instance.
1774 *
1775 * Creates an AC97 bus component. An ac97_bus_t instance is newly
1776 * allocated and initialized.
1777 *
1778 * The ops table must include valid callbacks (at least read and
1779 * write). The other callbacks, wait and reset, are not mandatory.
1780 *
1781 * The clock is set to 48000. If another clock is needed, set
1782 * (*rbus)->clock manually.
1783 *
1784 * The AC97 bus instance is registered as a low-level device, so you don't
1785 * have to release it manually.
1786 *
1787 * Returns zero if successful, or a negative error code on failure.
1788 */
1789int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
1790 void *private_data, ac97_bus_t **rbus)
1791{
1792 int err;
1793 ac97_bus_t *bus;
1794 static snd_device_ops_t dev_ops = {
1795 .dev_free = snd_ac97_bus_dev_free,
1796 };
1797
1798 snd_assert(card != NULL, return -EINVAL);
1799 snd_assert(rbus != NULL, return -EINVAL);
e560d8d8 1800 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 1801 if (bus == NULL)
1802 return -ENOMEM;
1803 bus->card = card;
1804 bus->num = num;
1805 bus->ops = ops;
1806 bus->private_data = private_data;
1807 bus->clock = 48000;
1808 spin_lock_init(&bus->bus_lock);
1809 snd_ac97_bus_proc_init(bus);
1810 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1811 snd_ac97_bus_free(bus);
1812 return err;
1813 }
1814 *rbus = bus;
1815 return 0;
1816}
1817
0ca06a00
LG		 1818/* stop no dev release warning */
1819static void ac97_device_release(struct device * dev)
1820{
1821}
1822
1823/* register ac97 codec to bus */
1824static int snd_ac97_dev_register(snd_device_t *device)
1825{
1826 ac97_t *ac97 = device->device_data;
1827 int err;
1828
1829 ac97->dev.bus = &ac97_bus_type;
1830 ac97->dev.parent = ac97->bus->card->dev;
0ca06a00 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;
e560d8d8 1908 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1da177e4
LT		 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