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Linux 2.6.24.5
[linux/fpc-iii.git] / sound / pci / ac97 / ac97_codec.c
blob6a9966df0cc907c8d30268734be09485b429590a
1 /*
2 * Copyright (c) by Jaroslav Kysela <perex@perex.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 <linux/mutex.h>
32 #include <sound/core.h>
33 #include <sound/pcm.h>
34 #include <sound/tlv.h>
35 #include <sound/ac97_codec.h>
36 #include <sound/asoundef.h>
37 #include <sound/initval.h>
38 #include "ac97_id.h"
39
40 #include "ac97_patch.c"
41
42 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
43 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
44 MODULE_LICENSE("GPL");
45
46 static int enable_loopback;
47
48 module_param(enable_loopback, bool, 0444);
49 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
50
51 #ifdef CONFIG_SND_AC97_POWER_SAVE
52 static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT;
53 module_param(power_save, bool, 0644);
54 MODULE_PARM_DESC(power_save, "Enable AC97 power-saving control");
55 #endif
56 /*
57
58 */
59
60 struct ac97_codec_id {
61 unsigned int id;
62 unsigned int mask;
63 const char *name;
64 int (*patch)(struct snd_ac97 *ac97);
65 int (*mpatch)(struct snd_ac97 *ac97);
66 unsigned int flags;
67 };
68
69 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
70 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
71 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
72 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
73 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
74 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
75 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
76 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
77 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
78 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
79 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
80 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
81 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
82 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
83 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
84 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
85 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
86 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
87 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
88 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
89 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
90 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
91 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
92 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
93 { 0, 0, NULL, NULL, NULL }
94 };
95
96 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
97 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
98 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
99 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
100 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
101 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
102 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
103 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
104 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
105 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
106 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
107 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
108 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
109 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
110 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
111 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
112 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
113 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
114 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL },
115 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
116 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
117 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
118 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
119 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
120 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
121 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
122 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
123 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
124 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
125 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
126 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
127 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
128 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
129 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
130 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
131 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
132 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL },
133 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL },
134 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL },
135 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
136 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
137 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
138 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
139 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
140 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
141 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
142 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
143 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
144 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
145 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
146 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL },
147 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
148 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
149 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
150 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
151 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
152 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
153 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
154 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
155 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
156 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
157 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
158 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
159 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
160 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
161 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
162 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
163 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
164 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
165 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
166 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
167 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
168 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
169 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
170 { 0x56494182, 0xffffffff, "VIA1618", NULL, NULL },
171 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
172 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
173 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
174 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
175 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
176 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
177 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
178 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
179 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL },
180 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
181 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
182 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
183 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
184 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
185 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
186 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
187 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
188 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
189 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
190 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
191 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
192 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
193 { 0, 0, NULL, NULL, NULL }
194 };
195
196
197 static void update_power_regs(struct snd_ac97 *ac97);
198 #ifdef CONFIG_SND_AC97_POWER_SAVE
199 #define ac97_is_power_save_mode(ac97) \
200 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
201 #else
202 #define ac97_is_power_save_mode(ac97) 0
203 #endif
204
205
206 /*
207 * I/O routines
208 */
209
210 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
211 {
212 /* filter some registers for buggy codecs */
213 switch (ac97->id) {
214 case AC97_ID_AK4540:
215 case AC97_ID_AK4542:
216 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
217 return 1;
218 return 0;
219 case AC97_ID_AD1819: /* AD1819 */
220 case AC97_ID_AD1881: /* AD1881 */
221 case AC97_ID_AD1881A: /* AD1881A */
222 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
223 return 0;
224 return 1;
225 case AC97_ID_AD1885: /* AD1885 */
226 case AC97_ID_AD1886: /* AD1886 */
227 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
228 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
229 if (reg == 0x5a)
230 return 1;
231 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
232 return 0;
233 return 1;
234 case AC97_ID_STAC9700:
235 case AC97_ID_STAC9704:
236 case AC97_ID_STAC9705:
237 case AC97_ID_STAC9708:
238 case AC97_ID_STAC9721:
239 case AC97_ID_STAC9744:
240 case AC97_ID_STAC9756:
241 if (reg <= 0x3a || reg >= 0x5a)
242 return 1;
243 return 0;
244 }
245 return 1;
246 }
247
248 /**
249 * snd_ac97_write - write a value on the given register
250 * @ac97: the ac97 instance
251 * @reg: the register to change
252 * @value: the value to set
253 *
254 * Writes a value on the given register. This will invoke the write
255 * callback directly after the register check.
256 * This function doesn't change the register cache unlike
257 * #snd_ca97_write_cache(), so use this only when you don't want to
258 * reflect the change to the suspend/resume state.
259 */
260 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
261 {
262 if (!snd_ac97_valid_reg(ac97, reg))
263 return;
264 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
265 /* Fix H/W bug of ALC100/100P */
266 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
267 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
268 }
269 ac97->bus->ops->write(ac97, reg, value);
270 }
271
272 EXPORT_SYMBOL(snd_ac97_write);
273
274 /**
275 * snd_ac97_read - read a value from the given register
276 *
277 * @ac97: the ac97 instance
278 * @reg: the register to read
279 *
280 * Reads a value from the given register. This will invoke the read
281 * callback directly after the register check.
282 *
283 * Returns the read value.
284 */
285 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
286 {
287 if (!snd_ac97_valid_reg(ac97, reg))
288 return 0;
289 return ac97->bus->ops->read(ac97, reg);
290 }
291
292 /* read a register - return the cached value if already read */
293 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
294 {
295 if (! test_bit(reg, ac97->reg_accessed)) {
296 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
297 // set_bit(reg, ac97->reg_accessed);
298 }
299 return ac97->regs[reg];
300 }
301
302 EXPORT_SYMBOL(snd_ac97_read);
303
304 /**
305 * snd_ac97_write_cache - write a value on the given register and update the cache
306 * @ac97: the ac97 instance
307 * @reg: the register to change
308 * @value: the value to set
309 *
310 * Writes a value on the given register and updates the register
311 * cache. The cached values are used for the cached-read and the
312 * suspend/resume.
313 */
314 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
315 {
316 if (!snd_ac97_valid_reg(ac97, reg))
317 return;
318 mutex_lock(&ac97->reg_mutex);
319 ac97->regs[reg] = value;
320 ac97->bus->ops->write(ac97, reg, value);
321 set_bit(reg, ac97->reg_accessed);
322 mutex_unlock(&ac97->reg_mutex);
323 }
324
325 EXPORT_SYMBOL(snd_ac97_write_cache);
326
327 /**
328 * snd_ac97_update - update the value on the given register
329 * @ac97: the ac97 instance
330 * @reg: the register to change
331 * @value: the value to set
332 *
333 * Compares the value with the register cache and updates the value
334 * only when the value is changed.
335 *
336 * Returns 1 if the value is changed, 0 if no change, or a negative
337 * code on failure.
338 */
339 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
340 {
341 int change;
342
343 if (!snd_ac97_valid_reg(ac97, reg))
344 return -EINVAL;
345 mutex_lock(&ac97->reg_mutex);
346 change = ac97->regs[reg] != value;
347 if (change) {
348 ac97->regs[reg] = value;
349 ac97->bus->ops->write(ac97, reg, value);
350 }
351 set_bit(reg, ac97->reg_accessed);
352 mutex_unlock(&ac97->reg_mutex);
353 return change;
354 }
355
356 EXPORT_SYMBOL(snd_ac97_update);
357
358 /**
359 * snd_ac97_update_bits - update the bits on the given register
360 * @ac97: the ac97 instance
361 * @reg: the register to change
362 * @mask: the bit-mask to change
363 * @value: the value to set
364 *
365 * Updates the masked-bits on the given register only when the value
366 * is changed.
367 *
368 * Returns 1 if the bits are changed, 0 if no change, or a negative
369 * code on failure.
370 */
371 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
372 {
373 int change;
374
375 if (!snd_ac97_valid_reg(ac97, reg))
376 return -EINVAL;
377 mutex_lock(&ac97->reg_mutex);
378 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
379 mutex_unlock(&ac97->reg_mutex);
380 return change;
381 }
382
383 EXPORT_SYMBOL(snd_ac97_update_bits);
384
385 /* no lock version - see snd_ac97_updat_bits() */
386 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
387 unsigned short mask, unsigned short value)
388 {
389 int change;
390 unsigned short old, new;
391
392 old = snd_ac97_read_cache(ac97, reg);
393 new = (old & ~mask) | (value & mask);
394 change = old != new;
395 if (change) {
396 ac97->regs[reg] = new;
397 ac97->bus->ops->write(ac97, reg, new);
398 }
399 set_bit(reg, ac97->reg_accessed);
400 return change;
401 }
402
403 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
404 {
405 int change;
406 unsigned short old, new, cfg;
407
408 mutex_lock(&ac97->page_mutex);
409 old = ac97->spec.ad18xx.pcmreg[codec];
410 new = (old & ~mask) | (value & mask);
411 change = old != new;
412 if (change) {
413 mutex_lock(&ac97->reg_mutex);
414 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
415 ac97->spec.ad18xx.pcmreg[codec] = new;
416 /* select single codec */
417 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
418 (cfg & ~0x7000) |
419 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
420 /* update PCM bits */
421 ac97->bus->ops->write(ac97, AC97_PCM, new);
422 /* select all codecs */
423 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
424 cfg | 0x7000);
425 mutex_unlock(&ac97->reg_mutex);
426 }
427 mutex_unlock(&ac97->page_mutex);
428 return change;
429 }
430
431 /*
432 * Controls
433 */
434
435 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
436 struct snd_ctl_elem_info *uinfo)
437 {
438 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
439
440 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
441 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
442 uinfo->value.enumerated.items = e->mask;
443
444 if (uinfo->value.enumerated.item > e->mask - 1)
445 uinfo->value.enumerated.item = e->mask - 1;
446 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
447 return 0;
448 }
449
450 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
451 struct snd_ctl_elem_value *ucontrol)
452 {
453 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
454 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
455 unsigned short val, bitmask;
456
457 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
458 ;
459 val = snd_ac97_read_cache(ac97, e->reg);
460 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
461 if (e->shift_l != e->shift_r)
462 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
463
464 return 0;
465 }
466
467 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
468 struct snd_ctl_elem_value *ucontrol)
469 {
470 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
471 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
472 unsigned short val;
473 unsigned short mask, bitmask;
474
475 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
476 ;
477 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
478 return -EINVAL;
479 val = ucontrol->value.enumerated.item[0] << e->shift_l;
480 mask = (bitmask - 1) << e->shift_l;
481 if (e->shift_l != e->shift_r) {
482 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
483 return -EINVAL;
484 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
485 mask |= (bitmask - 1) << e->shift_r;
486 }
487 return snd_ac97_update_bits(ac97, e->reg, mask, val);
488 }
489
490 /* save/restore ac97 v2.3 paging */
491 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
492 {
493 int page_save = -1;
494 if ((kcontrol->private_value & (1<<25)) &&
495 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
496 (reg >= 0x60 && reg < 0x70)) {
497 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
498 mutex_lock(&ac97->page_mutex); /* lock paging */
499 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
500 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
501 }
502 return page_save;
503 }
504
505 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
506 {
507 if (page_save >= 0) {
508 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
509 mutex_unlock(&ac97->page_mutex); /* unlock paging */
510 }
511 }
512
513 /* volume and switch controls */
514 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
515 struct snd_ctl_elem_info *uinfo)
516 {
517 int mask = (kcontrol->private_value >> 16) & 0xff;
518 int shift = (kcontrol->private_value >> 8) & 0x0f;
519 int rshift = (kcontrol->private_value >> 12) & 0x0f;
520
521 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
522 uinfo->count = shift == rshift ? 1 : 2;
523 uinfo->value.integer.min = 0;
524 uinfo->value.integer.max = mask;
525 return 0;
526 }
527
528 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
529 struct snd_ctl_elem_value *ucontrol)
530 {
531 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
532 int reg = kcontrol->private_value & 0xff;
533 int shift = (kcontrol->private_value >> 8) & 0x0f;
534 int rshift = (kcontrol->private_value >> 12) & 0x0f;
535 int mask = (kcontrol->private_value >> 16) & 0xff;
536 int invert = (kcontrol->private_value >> 24) & 0x01;
537 int page_save;
538
539 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
540 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
541 if (shift != rshift)
542 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
543 if (invert) {
544 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
545 if (shift != rshift)
546 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
547 }
548 snd_ac97_page_restore(ac97, page_save);
549 return 0;
550 }
551
552 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
553 struct snd_ctl_elem_value *ucontrol)
554 {
555 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
556 int reg = kcontrol->private_value & 0xff;
557 int shift = (kcontrol->private_value >> 8) & 0x0f;
558 int rshift = (kcontrol->private_value >> 12) & 0x0f;
559 int mask = (kcontrol->private_value >> 16) & 0xff;
560 int invert = (kcontrol->private_value >> 24) & 0x01;
561 int err, page_save;
562 unsigned short val, val2, val_mask;
563
564 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
565 val = (ucontrol->value.integer.value[0] & mask);
566 if (invert)
567 val = mask - val;
568 val_mask = mask << shift;
569 val = val << shift;
570 if (shift != rshift) {
571 val2 = (ucontrol->value.integer.value[1] & mask);
572 if (invert)
573 val2 = mask - val2;
574 val_mask |= mask << rshift;
575 val |= val2 << rshift;
576 }
577 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
578 snd_ac97_page_restore(ac97, page_save);
579 #ifdef CONFIG_SND_AC97_POWER_SAVE
580 /* check analog mixer power-down */
581 if ((val_mask & 0x8000) &&
582 (kcontrol->private_value & (1<<30))) {
583 if (val & 0x8000)
584 ac97->power_up &= ~(1 << (reg>>1));
585 else
586 ac97->power_up |= 1 << (reg>>1);
587 update_power_regs(ac97);
588 }
589 #endif
590 return err;
591 }
592
593 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
594 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
595 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
596 };
597
598 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
599 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
600 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
601 };
602
603 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
604 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
605 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
606 };
607
608 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
609 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
610
611
612 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
613 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
614 static const char* std_mix[] = {"Mix", "Mic"};
615 static const char* std_mic[] = {"Mic1", "Mic2"};
616
617 static const struct ac97_enum std_enum[] = {
618 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
619 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
621 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
622 };
623
624 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
625 AC97_ENUM("Capture Source", std_enum[0]);
626
627 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
628 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
629
630 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
631 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
632 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
633 };
634
635 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 };
644
645 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
646 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
647 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
648 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
649 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
650 AC97_ENUM("Mono Output Select", std_enum[2]),
651 AC97_ENUM("Mic Select", std_enum[3]),
652 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
653 };
654
655 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
656 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
657 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
658 };
659
660 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
661 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
662 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
663 };
664
665 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
666 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
667 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
668 };
669
670 static const struct snd_kcontrol_new snd_ac97_control_eapd =
671 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
672
673 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
674 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
675 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
676 };
677
678 /* change the existing EAPD control as inverted */
679 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *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
686 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
687 {
688 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
689 uinfo->count = 1;
690 return 0;
691 }
692
693 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *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
705 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *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
715 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
716 {
717 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
718
719 mutex_lock(&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 mutex_unlock(&ac97->reg_mutex);
725 return 0;
726 }
727
728 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
729 {
730 struct snd_ac97 *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 mutex_lock(&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 if (ac97->id == AC97_ID_YMF743) {
783 change |= snd_ac97_update_bits_nolock(ac97,
784 AC97_YMF7X3_DIT_CTRL,
785 0xff38,
786 ((val << 4) & 0xff00) |
787 ((val << 2) & 0x0038));
788 } else {
789 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
790 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
791
792 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
793 if (extst & AC97_EA_SPDIF) {
794 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
795 }
796 }
797 mutex_unlock(&ac97->reg_mutex);
798
799 return change;
800 }
801
802 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
803 {
804 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
805 int reg = kcontrol->private_value & 0xff;
806 int shift = (kcontrol->private_value >> 8) & 0xff;
807 int mask = (kcontrol->private_value >> 16) & 0xff;
808 // int invert = (kcontrol->private_value >> 24) & 0xff;
809 unsigned short value, old, new;
810 int change;
811
812 value = (ucontrol->value.integer.value[0] & mask);
813
814 mutex_lock(&ac97->reg_mutex);
815 mask <<= shift;
816 value <<= shift;
817 old = snd_ac97_read_cache(ac97, reg);
818 new = (old & ~mask) | value;
819 change = old != new;
820
821 if (change) {
822 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
823 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
824 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
825 if (extst & AC97_EA_SPDIF)
826 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
827 }
828 mutex_unlock(&ac97->reg_mutex);
829 return change;
830 }
831
832 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
833 {
834 .access = SNDRV_CTL_ELEM_ACCESS_READ,
835 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
836 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
837 .info = snd_ac97_spdif_mask_info,
838 .get = snd_ac97_spdif_cmask_get,
839 },
840 {
841 .access = SNDRV_CTL_ELEM_ACCESS_READ,
842 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
843 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
844 .info = snd_ac97_spdif_mask_info,
845 .get = snd_ac97_spdif_pmask_get,
846 },
847 {
848 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
849 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
850 .info = snd_ac97_spdif_mask_info,
851 .get = snd_ac97_spdif_default_get,
852 .put = snd_ac97_spdif_default_put,
853 },
854
855 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
856 {
857 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
858 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
859 .info = snd_ac97_info_volsw,
860 .get = snd_ac97_get_volsw,
861 .put = snd_ac97_put_spsa,
862 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
863 },
864 };
865
866 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
867 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
868 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
869 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
870
871 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
872 {
873 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
874 int mask = (kcontrol->private_value >> 16) & 0x0f;
875 int lshift = (kcontrol->private_value >> 8) & 0x0f;
876 int rshift = (kcontrol->private_value >> 12) & 0x0f;
877
878 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
879 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
880 uinfo->count = 2;
881 else
882 uinfo->count = 1;
883 uinfo->value.integer.min = 0;
884 uinfo->value.integer.max = mask;
885 return 0;
886 }
887
888 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
889 {
890 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
891 int codec = kcontrol->private_value & 3;
892 int lshift = (kcontrol->private_value >> 8) & 0x0f;
893 int rshift = (kcontrol->private_value >> 12) & 0x0f;
894 int mask = (kcontrol->private_value >> 16) & 0xff;
895
896 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
897 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
898 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
899 return 0;
900 }
901
902 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
903 {
904 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
905 int codec = kcontrol->private_value & 3;
906 int lshift = (kcontrol->private_value >> 8) & 0x0f;
907 int rshift = (kcontrol->private_value >> 12) & 0x0f;
908 int mask = (kcontrol->private_value >> 16) & 0xff;
909 unsigned short val, valmask;
910
911 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
912 valmask = mask << lshift;
913 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
914 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
915 valmask |= mask << rshift;
916 }
917 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
918 }
919
920 #define AD18XX_PCM_VOLUME(xname, codec) \
921 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
922 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
923 .private_value = codec }
924
925 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
926 {
927 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
928 uinfo->count = 2;
929 uinfo->value.integer.min = 0;
930 uinfo->value.integer.max = 31;
931 return 0;
932 }
933
934 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
935 {
936 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
937 int codec = kcontrol->private_value & 3;
938
939 mutex_lock(&ac97->page_mutex);
940 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
941 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
942 mutex_unlock(&ac97->page_mutex);
943 return 0;
944 }
945
946 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
947 {
948 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
949 int codec = kcontrol->private_value & 3;
950 unsigned short val1, val2;
951
952 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
953 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
954 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
955 }
956
957 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
958 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
959 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
960 };
961
962 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
963 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
964 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
965 };
966
967 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
968 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
969 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
970 };
971
972 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
973 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
974 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
975 };
976
977 /*
978 *
979 */
980
981 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
982
983 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
984 {
985 if (bus) {
986 snd_ac97_bus_proc_done(bus);
987 kfree(bus->pcms);
988 if (bus->private_free)
989 bus->private_free(bus);
990 kfree(bus);
991 }
992 return 0;
993 }
994
995 static int snd_ac97_bus_dev_free(struct snd_device *device)
996 {
997 struct snd_ac97_bus *bus = device->device_data;
998 return snd_ac97_bus_free(bus);
999 }
1000
1001 static int snd_ac97_free(struct snd_ac97 *ac97)
1002 {
1003 if (ac97) {
1004 #ifdef CONFIG_SND_AC97_POWER_SAVE
1005 cancel_delayed_work(&ac97->power_work);
1006 flush_scheduled_work();
1007 #endif
1008 snd_ac97_proc_done(ac97);
1009 if (ac97->bus)
1010 ac97->bus->codec[ac97->num] = NULL;
1011 if (ac97->private_free)
1012 ac97->private_free(ac97);
1013 kfree(ac97);
1014 }
1015 return 0;
1016 }
1017
1018 static int snd_ac97_dev_free(struct snd_device *device)
1019 {
1020 struct snd_ac97 *ac97 = device->device_data;
1021 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1022 return snd_ac97_free(ac97);
1023 }
1024
1025 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1026 {
1027 unsigned short val, mask = 0x8000;
1028
1029 if (! snd_ac97_valid_reg(ac97, reg))
1030 return 0;
1031
1032 switch (reg) {
1033 case AC97_MASTER_TONE:
1034 return ac97->caps & 0x04 ? 1 : 0;
1035 case AC97_HEADPHONE:
1036 return ac97->caps & 0x10 ? 1 : 0;
1037 case AC97_REC_GAIN_MIC:
1038 return ac97->caps & 0x01 ? 1 : 0;
1039 case AC97_3D_CONTROL:
1040 if (ac97->caps & 0x7c00) {
1041 val = snd_ac97_read(ac97, reg);
1042 /* if nonzero - fixed and we can't set it */
1043 return val == 0;
1044 }
1045 return 0;
1046 case AC97_CENTER_LFE_MASTER: /* center */
1047 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1048 return 0;
1049 break;
1050 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1051 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1052 return 0;
1053 reg = AC97_CENTER_LFE_MASTER;
1054 mask = 0x0080;
1055 break;
1056 case AC97_SURROUND_MASTER:
1057 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1058 return 0;
1059 break;
1060 }
1061
1062 val = snd_ac97_read(ac97, reg);
1063 if (!(val & mask)) {
1064 /* nothing seems to be here - mute flag is not set */
1065 /* try another test */
1066 snd_ac97_write_cache(ac97, reg, val | mask);
1067 val = snd_ac97_read(ac97, reg);
1068 val = snd_ac97_read(ac97, reg);
1069 if (!(val & mask))
1070 return 0; /* nothing here */
1071 }
1072 return 1; /* success, useable */
1073 }
1074
1075 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1076 {
1077 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1078 unsigned char max[3] = { 63, 31, 15 };
1079 int i;
1080
1081 /* first look up the static resolution table */
1082 if (ac97->res_table) {
1083 const struct snd_ac97_res_table *tbl;
1084 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1085 if (tbl->reg == reg) {
1086 *lo_max = tbl->bits & 0xff;
1087 *hi_max = (tbl->bits >> 8) & 0xff;
1088 return;
1089 }
1090 }
1091 }
1092
1093 *lo_max = *hi_max = 0;
1094 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1095 unsigned short val;
1096 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1097 /* Do the read twice due to buffers on some ac97 codecs.
1098 * e.g. The STAC9704 returns exactly what you wrote to the register
1099 * if you read it immediately. This causes the detect routine to fail.
1100 */
1101 val = snd_ac97_read(ac97, reg);
1102 val = snd_ac97_read(ac97, reg);
1103 if (! *lo_max && (val & 0x7f) == cbit[i])
1104 *lo_max = max[i];
1105 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1106 *hi_max = max[i];
1107 if (*lo_max && *hi_max)
1108 break;
1109 }
1110 }
1111
1112 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1113 {
1114 unsigned short mask, val, orig, res;
1115
1116 mask = 1 << bit;
1117 orig = snd_ac97_read(ac97, reg);
1118 val = orig ^ mask;
1119 snd_ac97_write(ac97, reg, val);
1120 res = snd_ac97_read(ac97, reg);
1121 snd_ac97_write_cache(ac97, reg, orig);
1122 return res == val;
1123 }
1124
1125 /* check the volume resolution of center/lfe */
1126 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1127 {
1128 unsigned short val, val1;
1129
1130 *max = 63;
1131 val = 0x8080 | (0x20 << shift);
1132 snd_ac97_write(ac97, reg, val);
1133 val1 = snd_ac97_read(ac97, reg);
1134 if (val != val1) {
1135 *max = 31;
1136 }
1137 /* reset volume to zero */
1138 snd_ac97_write_cache(ac97, reg, 0x8080);
1139 }
1140
1141 static inline int printable(unsigned int x)
1142 {
1143 x &= 0xff;
1144 if (x < ' ' || x >= 0x71) {
1145 if (x <= 0x89)
1146 return x - 0x71 + 'A';
1147 return '?';
1148 }
1149 return x;
1150 }
1151
1152 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
1153 struct snd_ac97 * ac97)
1154 {
1155 struct snd_kcontrol_new template;
1156 memcpy(&template, _template, sizeof(template));
1157 template.index = ac97->num;
1158 return snd_ctl_new1(&template, ac97);
1159 }
1160
1161 /*
1162 * create mute switch(es) for normal stereo controls
1163 */
1164 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1165 int check_stereo, int check_amix,
1166 struct snd_ac97 *ac97)
1167 {
1168 struct snd_kcontrol *kctl;
1169 int err;
1170 unsigned short val, val1, mute_mask;
1171
1172 if (! snd_ac97_valid_reg(ac97, reg))
1173 return 0;
1174
1175 mute_mask = 0x8000;
1176 val = snd_ac97_read(ac97, reg);
1177 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1178 /* check whether both mute bits work */
1179 val1 = val | 0x8080;
1180 snd_ac97_write(ac97, reg, val1);
1181 if (val1 == snd_ac97_read(ac97, reg))
1182 mute_mask = 0x8080;
1183 }
1184 if (mute_mask == 0x8080) {
1185 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1186 if (check_amix)
1187 tmp.private_value |= (1 << 30);
1188 tmp.index = ac97->num;
1189 kctl = snd_ctl_new1(&tmp, ac97);
1190 } else {
1191 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1192 if (check_amix)
1193 tmp.private_value |= (1 << 30);
1194 tmp.index = ac97->num;
1195 kctl = snd_ctl_new1(&tmp, ac97);
1196 }
1197 err = snd_ctl_add(card, kctl);
1198 if (err < 0)
1199 return err;
1200 /* mute as default */
1201 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1202 return 0;
1203 }
1204
1205 /*
1206 * set dB information
1207 */
1208 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1209 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1210 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1211 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1212 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1213
1214 static const unsigned int *find_db_scale(unsigned int maxval)
1215 {
1216 switch (maxval) {
1217 case 0x0f: return db_scale_4bit;
1218 case 0x1f: return db_scale_5bit;
1219 case 0x3f: return db_scale_6bit;
1220 }
1221 return NULL;
1222 }
1223
1224 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1225 {
1226 kctl->tlv.p = tlv;
1227 if (tlv)
1228 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1229 }
1230
1231 /*
1232 * create a volume for normal stereo/mono controls
1233 */
1234 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1235 unsigned int hi_max, struct snd_ac97 *ac97)
1236 {
1237 int err;
1238 struct snd_kcontrol *kctl;
1239
1240 if (! snd_ac97_valid_reg(ac97, reg))
1241 return 0;
1242 if (hi_max) {
1243 /* invert */
1244 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1245 tmp.index = ac97->num;
1246 kctl = snd_ctl_new1(&tmp, ac97);
1247 } else {
1248 /* invert */
1249 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1250 tmp.index = ac97->num;
1251 kctl = snd_ctl_new1(&tmp, ac97);
1252 }
1253 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1254 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1255 else
1256 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1257 err = snd_ctl_add(card, kctl);
1258 if (err < 0)
1259 return err;
1260 snd_ac97_write_cache(ac97, reg,
1261 (snd_ac97_read(ac97, reg) & 0x8080) |
1262 lo_max | (hi_max << 8));
1263 return 0;
1264 }
1265
1266 /*
1267 * create a mute-switch and a volume for normal stereo/mono controls
1268 */
1269 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1270 int reg, int check_stereo, int check_amix,
1271 struct snd_ac97 *ac97)
1272 {
1273 int err;
1274 char name[44];
1275 unsigned char lo_max, hi_max;
1276
1277 if (! snd_ac97_valid_reg(ac97, reg))
1278 return 0;
1279
1280 if (snd_ac97_try_bit(ac97, reg, 15)) {
1281 sprintf(name, "%s Switch", pfx);
1282 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1283 check_stereo, check_amix,
1284 ac97)) < 0)
1285 return err;
1286 }
1287 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1288 if (lo_max) {
1289 sprintf(name, "%s Volume", pfx);
1290 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1291 return err;
1292 }
1293 return 0;
1294 }
1295
1296 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1297 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1298 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1299 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1300
1301 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1302
1303 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1304 {
1305 struct snd_card *card = ac97->bus->card;
1306 struct snd_kcontrol *kctl;
1307 int err;
1308 unsigned int idx;
1309 unsigned char max;
1310
1311 /* build master controls */
1312 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1313 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1314 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1315 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1316 AC97_MASTER, 0, ac97);
1317 else
1318 err = snd_ac97_cmix_new(card, "Master Playback",
1319 AC97_MASTER, 0, ac97);
1320 if (err < 0)
1321 return err;
1322 }
1323
1324 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1325
1326 /* build center controls */
1327 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1328 && !(ac97->flags & AC97_AD_MULTI)) {
1329 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1330 return err;
1331 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1332 return err;
1333 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1334 kctl->private_value &= ~(0xff << 16);
1335 kctl->private_value |= (int)max << 16;
1336 set_tlv_db_scale(kctl, find_db_scale(max));
1337 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1338 }
1339
1340 /* build LFE controls */
1341 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1342 && !(ac97->flags & AC97_AD_MULTI)) {
1343 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1344 return err;
1345 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1346 return err;
1347 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1348 kctl->private_value &= ~(0xff << 16);
1349 kctl->private_value |= (int)max << 16;
1350 set_tlv_db_scale(kctl, find_db_scale(max));
1351 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1352 }
1353
1354 /* build surround controls */
1355 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1356 && !(ac97->flags & AC97_AD_MULTI)) {
1357 /* Surround Master (0x38) is with stereo mutes */
1358 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1359 AC97_SURROUND_MASTER, 1, 0,
1360 ac97)) < 0)
1361 return err;
1362 }
1363
1364 /* build headphone controls */
1365 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1366 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1367 AC97_HEADPHONE, 0, ac97)) < 0)
1368 return err;
1369 }
1370
1371 /* build master mono controls */
1372 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1373 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1374 AC97_MASTER_MONO, 0, ac97)) < 0)
1375 return err;
1376 }
1377
1378 /* build master tone controls */
1379 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1380 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1381 for (idx = 0; idx < 2; idx++) {
1382 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1383 return err;
1384 if (ac97->id == AC97_ID_YMF743 ||
1385 ac97->id == AC97_ID_YMF753) {
1386 kctl->private_value &= ~(0xff << 16);
1387 kctl->private_value |= 7 << 16;
1388 }
1389 }
1390 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1391 }
1392 }
1393
1394 /* build PC Speaker controls */
1395 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1396 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1397 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1398 for (idx = 0; idx < 2; idx++)
1399 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1400 return err;
1401 set_tlv_db_scale(kctl, db_scale_4bit);
1402 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1403 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1404 }
1405
1406 /* build Phone controls */
1407 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1408 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1409 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1410 AC97_PHONE, 1, ac97)) < 0)
1411 return err;
1412 }
1413 }
1414
1415 /* build MIC controls */
1416 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1417 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1418 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1419 AC97_MIC, 1, ac97)) < 0)
1420 return err;
1421 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1422 return err;
1423 }
1424 }
1425
1426 /* build Line controls */
1427 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1428 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1429 AC97_LINE, 1, ac97)) < 0)
1430 return err;
1431 }
1432
1433 /* build CD controls */
1434 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1435 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1436 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1437 AC97_CD, 1, ac97)) < 0)
1438 return err;
1439 }
1440 }
1441
1442 /* build Video controls */
1443 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1444 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1445 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1446 AC97_VIDEO, 1, ac97)) < 0)
1447 return err;
1448 }
1449 }
1450
1451 /* build Aux controls */
1452 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1453 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1454 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1455 AC97_AUX, 1, ac97)) < 0)
1456 return err;
1457 }
1458 }
1459
1460 /* build PCM controls */
1461 if (ac97->flags & AC97_AD_MULTI) {
1462 unsigned short init_val;
1463 if (ac97->flags & AC97_STEREO_MUTES)
1464 init_val = 0x9f9f;
1465 else
1466 init_val = 0x9f1f;
1467 for (idx = 0; idx < 2; idx++)
1468 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1469 return err;
1470 set_tlv_db_scale(kctl, db_scale_5bit);
1471 ac97->spec.ad18xx.pcmreg[0] = init_val;
1472 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1473 for (idx = 0; idx < 2; idx++)
1474 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1475 return err;
1476 set_tlv_db_scale(kctl, db_scale_5bit);
1477 ac97->spec.ad18xx.pcmreg[1] = init_val;
1478 }
1479 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1480 for (idx = 0; idx < 2; idx++)
1481 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1482 return err;
1483 set_tlv_db_scale(kctl, db_scale_5bit);
1484 for (idx = 0; idx < 2; idx++)
1485 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1486 return err;
1487 set_tlv_db_scale(kctl, db_scale_5bit);
1488 ac97->spec.ad18xx.pcmreg[2] = init_val;
1489 }
1490 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1491 } else {
1492 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1493 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1494 err = snd_ac97_cmute_new(card,
1495 "PCM Playback Switch",
1496 AC97_PCM, 0, ac97);
1497 else
1498 err = snd_ac97_cmix_new(card, "PCM Playback",
1499 AC97_PCM, 0, ac97);
1500 if (err < 0)
1501 return err;
1502 }
1503 }
1504
1505 /* build Capture controls */
1506 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1507 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1508 return err;
1509 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1510 err = snd_ac97_cmute_new(card, "Capture Switch",
1511 AC97_REC_GAIN, 0, ac97);
1512 if (err < 0)
1513 return err;
1514 }
1515 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1516 return err;
1517 set_tlv_db_scale(kctl, db_scale_rec_gain);
1518 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1519 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1520 }
1521 /* build MIC Capture controls */
1522 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1523 for (idx = 0; idx < 2; idx++)
1524 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1525 return err;
1526 set_tlv_db_scale(kctl, db_scale_rec_gain);
1527 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1528 }
1529
1530 /* build PCM out path & mute control */
1531 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1532 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1533 return err;
1534 }
1535
1536 /* build Simulated Stereo Enhancement control */
1537 if (ac97->caps & 0x0008) {
1538 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1539 return err;
1540 }
1541
1542 /* build 3D Stereo Enhancement control */
1543 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1544 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1545 return err;
1546 }
1547
1548 /* build Loudness control */
1549 if (ac97->caps & 0x0020) {
1550 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1551 return err;
1552 }
1553
1554 /* build Mono output select control */
1555 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1556 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1557 return err;
1558 }
1559
1560 /* build Mic select control */
1561 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1562 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1563 return err;
1564 }
1565
1566 /* build ADC/DAC loopback control */
1567 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1568 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1569 return err;
1570 }
1571
1572 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1573
1574 /* build 3D controls */
1575 if (ac97->build_ops->build_3d) {
1576 ac97->build_ops->build_3d(ac97);
1577 } else {
1578 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1579 unsigned short val;
1580 val = 0x0707;
1581 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1582 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1583 val = val == 0x0606;
1584 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1585 return err;
1586 if (val)
1587 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1588 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1589 return err;
1590 if (val)
1591 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1592 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1593 }
1594 }
1595
1596 /* build S/PDIF controls */
1597
1598 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1599 if (ac97->subsystem_vendor == 0x1043 &&
1600 ac97->subsystem_device == 0x810f)
1601 ac97->ext_id |= AC97_EI_SPDIF;
1602
1603 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1604 if (ac97->build_ops->build_spdif) {
1605 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1606 return err;
1607 } else {
1608 for (idx = 0; idx < 5; idx++)
1609 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1610 return err;
1611 if (ac97->build_ops->build_post_spdif) {
1612 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1613 return err;
1614 }
1615 /* set default PCM S/PDIF params */
1616 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1617 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1618 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1619 }
1620 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1621 }
1622
1623 /* build chip specific controls */
1624 if (ac97->build_ops->build_specific)
1625 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1626 return err;
1627
1628 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1629 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1630 if (! kctl)
1631 return -ENOMEM;
1632 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1633 set_inv_eapd(ac97, kctl);
1634 if ((err = snd_ctl_add(card, kctl)) < 0)
1635 return err;
1636 }
1637
1638 return 0;
1639 }
1640
1641 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1642 {
1643 int err, idx;
1644
1645 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1646 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1647 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1648 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1649 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1650 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1651
1652 /* build modem switches */
1653 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1654 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1655 return err;
1656
1657 /* build chip specific controls */
1658 if (ac97->build_ops->build_specific)
1659 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1660 return err;
1661
1662 return 0;
1663 }
1664
1665 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1666 {
1667 unsigned short val;
1668 unsigned int tmp;
1669
1670 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1671 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1672 if (shadow_reg)
1673 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1674 val = snd_ac97_read(ac97, reg);
1675 return val == (tmp & 0xffff);
1676 }
1677
1678 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1679 {
1680 unsigned int result = 0;
1681 unsigned short saved;
1682
1683 if (ac97->bus->no_vra) {
1684 *r_result = SNDRV_PCM_RATE_48000;
1685 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1686 reg == AC97_PCM_FRONT_DAC_RATE)
1687 *r_result |= SNDRV_PCM_RATE_96000;
1688 return;
1689 }
1690
1691 saved = snd_ac97_read(ac97, reg);
1692 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1693 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1694 AC97_EA_DRA, 0);
1695 /* test a non-standard rate */
1696 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1697 result |= SNDRV_PCM_RATE_CONTINUOUS;
1698 /* let's try to obtain standard rates */
1699 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1700 result |= SNDRV_PCM_RATE_8000;
1701 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1702 result |= SNDRV_PCM_RATE_11025;
1703 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1704 result |= SNDRV_PCM_RATE_16000;
1705 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1706 result |= SNDRV_PCM_RATE_22050;
1707 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1708 result |= SNDRV_PCM_RATE_32000;
1709 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1710 result |= SNDRV_PCM_RATE_44100;
1711 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1712 result |= SNDRV_PCM_RATE_48000;
1713 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1714 reg == AC97_PCM_FRONT_DAC_RATE) {
1715 /* test standard double rates */
1716 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1717 AC97_EA_DRA, AC97_EA_DRA);
1718 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1719 result |= SNDRV_PCM_RATE_64000;
1720 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1721 result |= SNDRV_PCM_RATE_88200;
1722 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1723 result |= SNDRV_PCM_RATE_96000;
1724 /* some codecs don't support variable double rates */
1725 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1726 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1727 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1728 AC97_EA_DRA, 0);
1729 }
1730 /* restore the default value */
1731 snd_ac97_write_cache(ac97, reg, saved);
1732 if (shadow_reg)
1733 snd_ac97_write_cache(ac97, shadow_reg, saved);
1734 *r_result = result;
1735 }
1736
1737 /* check AC97_SPDIF register to accept which sample rates */
1738 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1739 {
1740 unsigned int result = 0;
1741 int i;
1742 static unsigned short ctl_bits[] = {
1743 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1744 };
1745 static unsigned int rate_bits[] = {
1746 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1747 };
1748
1749 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1750 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1751 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1752 result |= rate_bits[i];
1753 }
1754 return result;
1755 }
1756
1757 /* look for the codec id table matching with the given id */
1758 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1759 unsigned int id)
1760 {
1761 const struct ac97_codec_id *pid;
1762
1763 for (pid = table; pid->id; pid++)
1764 if (pid->id == (id & pid->mask))
1765 return pid;
1766 return NULL;
1767 }
1768
1769 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1770 {
1771 const struct ac97_codec_id *pid;
1772
1773 sprintf(name, "0x%x %c%c%c", id,
1774 printable(id >> 24),
1775 printable(id >> 16),
1776 printable(id >> 8));
1777 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1778 if (! pid)
1779 return;
1780
1781 strcpy(name, pid->name);
1782 if (ac97 && pid->patch) {
1783 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1784 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1785 pid->patch(ac97);
1786 }
1787
1788 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1789 if (pid) {
1790 strcat(name, " ");
1791 strcat(name, pid->name);
1792 if (pid->mask != 0xffffffff)
1793 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1794 if (ac97 && pid->patch) {
1795 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1796 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1797 pid->patch(ac97);
1798 }
1799 } else
1800 sprintf(name + strlen(name), " id %x", id & 0xff);
1801 }
1802
1803 /**
1804 * snd_ac97_get_short_name - retrieve codec name
1805 * @ac97: the codec instance
1806 *
1807 * Returns the short identifying name of the codec.
1808 */
1809 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1810 {
1811 const struct ac97_codec_id *pid;
1812
1813 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1814 if (pid->id == (ac97->id & pid->mask))
1815 return pid->name;
1816 return "unknown codec";
1817 }
1818
1819 EXPORT_SYMBOL(snd_ac97_get_short_name);
1820
1821 /* wait for a while until registers are accessible after RESET
1822 * return 0 if ok, negative not ready
1823 */
1824 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1825 {
1826 unsigned long end_time;
1827 unsigned short val;
1828
1829 end_time = jiffies + timeout;
1830 do {
1831
1832 /* use preliminary reads to settle the communication */
1833 snd_ac97_read(ac97, AC97_RESET);
1834 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1835 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1836 /* modem? */
1837 if (with_modem) {
1838 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1839 if (val != 0xffff && (val & 1) != 0)
1840 return 0;
1841 }
1842 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1843 /* probably only Xbox issue - all registers are read as zero */
1844 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1845 if (val != 0 && val != 0xffff)
1846 return 0;
1847 } else {
1848 /* because the PCM or MASTER volume registers can be modified,
1849 * the REC_GAIN register is used for tests
1850 */
1851 /* test if we can write to the record gain volume register */
1852 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1853 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1854 return 0;
1855 }
1856 schedule_timeout_uninterruptible(1);
1857 } while (time_after_eq(end_time, jiffies));
1858 return -ENODEV;
1859 }
1860
1861 /**
1862 * snd_ac97_bus - create an AC97 bus component
1863 * @card: the card instance
1864 * @num: the bus number
1865 * @ops: the bus callbacks table
1866 * @private_data: private data pointer for the new instance
1867 * @rbus: the pointer to store the new AC97 bus instance.
1868 *
1869 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1870 * allocated and initialized.
1871 *
1872 * The ops table must include valid callbacks (at least read and
1873 * write). The other callbacks, wait and reset, are not mandatory.
1874 *
1875 * The clock is set to 48000. If another clock is needed, set
1876 * (*rbus)->clock manually.
1877 *
1878 * The AC97 bus instance is registered as a low-level device, so you don't
1879 * have to release it manually.
1880 *
1881 * Returns zero if successful, or a negative error code on failure.
1882 */
1883 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1884 void *private_data, struct snd_ac97_bus **rbus)
1885 {
1886 int err;
1887 struct snd_ac97_bus *bus;
1888 static struct snd_device_ops dev_ops = {
1889 .dev_free = snd_ac97_bus_dev_free,
1890 };
1891
1892 snd_assert(card != NULL, return -EINVAL);
1893 snd_assert(rbus != NULL, return -EINVAL);
1894 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1895 if (bus == NULL)
1896 return -ENOMEM;
1897 bus->card = card;
1898 bus->num = num;
1899 bus->ops = ops;
1900 bus->private_data = private_data;
1901 bus->clock = 48000;
1902 spin_lock_init(&bus->bus_lock);
1903 snd_ac97_bus_proc_init(bus);
1904 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1905 snd_ac97_bus_free(bus);
1906 return err;
1907 }
1908 *rbus = bus;
1909 return 0;
1910 }
1911
1912 EXPORT_SYMBOL(snd_ac97_bus);
1913
1914 /* stop no dev release warning */
1915 static void ac97_device_release(struct device * dev)
1916 {
1917 }
1918
1919 /* register ac97 codec to bus */
1920 static int snd_ac97_dev_register(struct snd_device *device)
1921 {
1922 struct snd_ac97 *ac97 = device->device_data;
1923 int err;
1924
1925 ac97->dev.bus = &ac97_bus_type;
1926 ac97->dev.parent = ac97->bus->card->dev;
1927 ac97->dev.release = ac97_device_release;
1928 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1929 ac97->bus->card->number, ac97->num,
1930 snd_ac97_get_short_name(ac97));
1931 if ((err = device_register(&ac97->dev)) < 0) {
1932 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1933 ac97->dev.bus = NULL;
1934 return err;
1935 }
1936 return 0;
1937 }
1938
1939 /* disconnect ac97 codec */
1940 static int snd_ac97_dev_disconnect(struct snd_device *device)
1941 {
1942 struct snd_ac97 *ac97 = device->device_data;
1943 if (ac97->dev.bus)
1944 device_unregister(&ac97->dev);
1945 return 0;
1946 }
1947
1948 /* build_ops to do nothing */
1949 static struct snd_ac97_build_ops null_build_ops;
1950
1951 #ifdef CONFIG_SND_AC97_POWER_SAVE
1952 static void do_update_power(struct work_struct *work)
1953 {
1954 update_power_regs(
1955 container_of(work, struct snd_ac97, power_work.work));
1956 }
1957 #endif
1958
1959 /**
1960 * snd_ac97_mixer - create an Codec97 component
1961 * @bus: the AC97 bus which codec is attached to
1962 * @template: the template of ac97, including index, callbacks and
1963 * the private data.
1964 * @rac97: the pointer to store the new ac97 instance.
1965 *
1966 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1967 * allocated and initialized from the template. The codec
1968 * is then initialized by the standard procedure.
1969 *
1970 * The template must include the codec number (num) and address (addr),
1971 * and the private data (private_data).
1972 *
1973 * The ac97 instance is registered as a low-level device, so you don't
1974 * have to release it manually.
1975 *
1976 * Returns zero if successful, or a negative error code on failure.
1977 */
1978 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1979 {
1980 int err;
1981 struct snd_ac97 *ac97;
1982 struct snd_card *card;
1983 char name[64];
1984 unsigned long end_time;
1985 unsigned int reg;
1986 const struct ac97_codec_id *pid;
1987 static struct snd_device_ops ops = {
1988 .dev_free = snd_ac97_dev_free,
1989 .dev_register = snd_ac97_dev_register,
1990 .dev_disconnect = snd_ac97_dev_disconnect,
1991 };
1992
1993 snd_assert(rac97 != NULL, return -EINVAL);
1994 *rac97 = NULL;
1995 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1996 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1997
1998 card = bus->card;
1999 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
2000 if (ac97 == NULL)
2001 return -ENOMEM;
2002 ac97->private_data = template->private_data;
2003 ac97->private_free = template->private_free;
2004 ac97->bus = bus;
2005 ac97->pci = template->pci;
2006 ac97->num = template->num;
2007 ac97->addr = template->addr;
2008 ac97->scaps = template->scaps;
2009 ac97->res_table = template->res_table;
2010 bus->codec[ac97->num] = ac97;
2011 mutex_init(&ac97->reg_mutex);
2012 mutex_init(&ac97->page_mutex);
2013 #ifdef CONFIG_SND_AC97_POWER_SAVE
2014 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
2015 #endif
2016
2017 #ifdef CONFIG_PCI
2018 if (ac97->pci) {
2019 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2020 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2021 }
2022 #endif
2023 if (bus->ops->reset) {
2024 bus->ops->reset(ac97);
2025 goto __access_ok;
2026 }
2027
2028 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2029 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2030 if (ac97->id && ac97->id != (unsigned int)-1) {
2031 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2032 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2033 goto __access_ok;
2034 }
2035
2036 /* reset to defaults */
2037 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2038 snd_ac97_write(ac97, AC97_RESET, 0);
2039 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2040 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2041 if (bus->ops->wait)
2042 bus->ops->wait(ac97);
2043 else {
2044 udelay(50);
2045 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2046 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);
2047 else {
2048 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);
2049 if (err < 0)
2050 err = ac97_reset_wait(ac97,
2051 msecs_to_jiffies(500), 1);
2052 }
2053 if (err < 0) {
2054 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
2055 /* proceed anyway - it's often non-critical */
2056 }
2057 }
2058 __access_ok:
2059 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2060 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2061 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2062 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2063 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
2064 snd_ac97_free(ac97);
2065 return -EIO;
2066 }
2067 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2068 if (pid)
2069 ac97->flags |= pid->flags;
2070
2071 /* test for AC'97 */
2072 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2073 /* test if we can write to the record gain volume register */
2074 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2075 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2076 ac97->scaps |= AC97_SCAP_AUDIO;
2077 }
2078 if (ac97->scaps & AC97_SCAP_AUDIO) {
2079 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2080 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2081 if (ac97->ext_id == 0xffff) /* invalid combination */
2082 ac97->ext_id = 0;
2083 }
2084
2085 /* test for MC'97 */
2086 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2087 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2088 if (ac97->ext_mid == 0xffff) /* invalid combination */
2089 ac97->ext_mid = 0;
2090 if (ac97->ext_mid & 1)
2091 ac97->scaps |= AC97_SCAP_MODEM;
2092 }
2093
2094 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2095 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2096 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2097 snd_ac97_free(ac97);
2098 return -EACCES;
2099 }
2100
2101 if (bus->ops->reset) // FIXME: always skipping?
2102 goto __ready_ok;
2103
2104 /* FIXME: add powerdown control */
2105 if (ac97_is_audio(ac97)) {
2106 /* nothing should be in powerdown mode */
2107 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2108 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2109 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2110 udelay(100);
2111 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2112 }
2113 /* nothing should be in powerdown mode */
2114 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2115 end_time = jiffies + msecs_to_jiffies(100);
2116 do {
2117 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2118 goto __ready_ok;
2119 schedule_timeout_uninterruptible(1);
2120 } while (time_after_eq(end_time, jiffies));
2121 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2122 }
2123
2124 /* FIXME: add powerdown control */
2125 if (ac97_is_modem(ac97)) {
2126 unsigned char tmp;
2127
2128 /* nothing should be in powerdown mode */
2129 /* note: it's important to set the rate at first */
2130 tmp = AC97_MEA_GPIO;
2131 if (ac97->ext_mid & AC97_MEI_LINE1) {
2132 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2133 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2134 }
2135 if (ac97->ext_mid & AC97_MEI_LINE2) {
2136 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2137 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2138 }
2139 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2140 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2141 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2142 }
2143 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2144 udelay(100);
2145 /* nothing should be in powerdown mode */
2146 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2147 end_time = jiffies + msecs_to_jiffies(100);
2148 do {
2149 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2150 goto __ready_ok;
2151 schedule_timeout_uninterruptible(1);
2152 } while (time_after_eq(end_time, jiffies));
2153 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2154 }
2155
2156 __ready_ok:
2157 if (ac97_is_audio(ac97))
2158 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2159 else
2160 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2161 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2162 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2163 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2164 if (! bus->no_vra)
2165 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2166 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2167 }
2168 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2169 /* Intel controllers require double rate data to be put in
2170 * slots 7+8, so let's hope the codec supports it. */
2171 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2172 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2173 ac97->flags |= AC97_DOUBLE_RATE;
2174 /* restore to slots 10/11 to avoid the confliction with surrounds */
2175 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2176 }
2177 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2178 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2179 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2180 } else {
2181 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2182 if (ac97->flags & AC97_DOUBLE_RATE)
2183 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2184 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2185 }
2186 if (ac97->ext_id & AC97_EI_SPDIF) {
2187 /* codec specific code (patch) should override these values */
2188 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2189 }
2190 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2191 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2192 } else {
2193 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2194 }
2195 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2196 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2197 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2198 }
2199 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2200 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2201 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2202 }
2203 /* additional initializations */
2204 if (bus->ops->init)
2205 bus->ops->init(ac97);
2206 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2207 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2208 if (! ac97->build_ops)
2209 ac97->build_ops = &null_build_ops;
2210
2211 if (ac97_is_audio(ac97)) {
2212 char comp[16];
2213 if (card->mixername[0] == '\0') {
2214 strcpy(card->mixername, name);
2215 } else {
2216 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2217 strcat(card->mixername, ",");
2218 strcat(card->mixername, name);
2219 }
2220 }
2221 sprintf(comp, "AC97a:%08x", ac97->id);
2222 if ((err = snd_component_add(card, comp)) < 0) {
2223 snd_ac97_free(ac97);
2224 return err;
2225 }
2226 if (snd_ac97_mixer_build(ac97) < 0) {
2227 snd_ac97_free(ac97);
2228 return -ENOMEM;
2229 }
2230 }
2231 if (ac97_is_modem(ac97)) {
2232 char comp[16];
2233 if (card->mixername[0] == '\0') {
2234 strcpy(card->mixername, name);
2235 } else {
2236 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2237 strcat(card->mixername, ",");
2238 strcat(card->mixername, name);
2239 }
2240 }
2241 sprintf(comp, "AC97m:%08x", ac97->id);
2242 if ((err = snd_component_add(card, comp)) < 0) {
2243 snd_ac97_free(ac97);
2244 return err;
2245 }
2246 if (snd_ac97_modem_build(card, ac97) < 0) {
2247 snd_ac97_free(ac97);
2248 return -ENOMEM;
2249 }
2250 }
2251 if (ac97_is_audio(ac97))
2252 update_power_regs(ac97);
2253 snd_ac97_proc_init(ac97);
2254 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2255 snd_ac97_free(ac97);
2256 return err;
2257 }
2258 *rac97 = ac97;
2259 return 0;
2260 }
2261
2262 EXPORT_SYMBOL(snd_ac97_mixer);
2263
2264 /*
2265 * Power down the chip.
2266 *
2267 * MASTER and HEADPHONE registers are muted but the register cache values
2268 * are not changed, so that the values can be restored in snd_ac97_resume().
2269 */
2270 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2271 {
2272 unsigned short power;
2273
2274 if (ac97_is_audio(ac97)) {
2275 /* some codecs have stereo mute bits */
2276 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2277 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2278 }
2279
2280 /* surround, CLFE, mic powerdown */
2281 power = ac97->regs[AC97_EXTENDED_STATUS];
2282 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2283 power |= AC97_EA_PRJ;
2284 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2285 power |= AC97_EA_PRI | AC97_EA_PRK;
2286 power |= AC97_EA_PRL;
2287 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2288
2289 /* powerdown external amplifier */
2290 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2291 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2292 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2293 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2294 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2295 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
2296 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2297 udelay(100);
2298 power |= AC97_PD_PR2 | AC97_PD_PR3; /* Analog Mixer powerdown */
2299 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2300 if (ac97_is_power_save_mode(ac97)) {
2301 udelay(100);
2302 /* AC-link powerdown, internal Clk disable */
2303 /* FIXME: this may cause click noises on some boards */
2304 power |= AC97_PD_PR4 | AC97_PD_PR5;
2305 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2306 }
2307 }
2308
2309
2310 struct ac97_power_reg {
2311 unsigned short reg;
2312 unsigned short power_reg;
2313 unsigned short mask;
2314 };
2315
2316 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2317
2318 static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2319 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2320 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2321 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2322 AC97_EA_PRI | AC97_EA_PRK},
2323 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2324 AC97_EA_PRJ},
2325 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2326 AC97_EA_PRL},
2327 };
2328
2329 #ifdef CONFIG_SND_AC97_POWER_SAVE
2330 /**
2331 * snd_ac97_update_power - update the powerdown register
2332 * @ac97: the codec instance
2333 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2334 * @powerup: non-zero when power up the part
2335 *
2336 * Update the AC97 powerdown register bits of the given part.
2337 */
2338 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2339 {
2340 int i;
2341
2342 if (! ac97)
2343 return 0;
2344
2345 if (reg) {
2346 /* SPDIF requires DAC power, too */
2347 if (reg == AC97_SPDIF)
2348 reg = AC97_PCM_FRONT_DAC_RATE;
2349 for (i = 0; i < PWIDX_SIZE; i++) {
2350 if (power_regs[i].reg == reg) {
2351 if (powerup)
2352 ac97->power_up |= (1 << i);
2353 else
2354 ac97->power_up &= ~(1 << i);
2355 break;
2356 }
2357 }
2358 }
2359
2360 if (ac97_is_power_save_mode(ac97) && !powerup)
2361 /* adjust power-down bits after two seconds delay
2362 * (for avoiding loud click noises for many (OSS) apps
2363 * that open/close frequently)
2364 */
2365 schedule_delayed_work(&ac97->power_work,
2366 msecs_to_jiffies(2000));
2367 else {
2368 cancel_delayed_work(&ac97->power_work);
2369 update_power_regs(ac97);
2370 }
2371
2372 return 0;
2373 }
2374
2375 EXPORT_SYMBOL(snd_ac97_update_power);
2376 #endif /* CONFIG_SND_AC97_POWER_SAVE */
2377
2378 static void update_power_regs(struct snd_ac97 *ac97)
2379 {
2380 unsigned int power_up, bits;
2381 int i;
2382
2383 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2384 power_up |= (1 << PWIDX_MIC);
2385 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2386 power_up |= (1 << PWIDX_SURR);
2387 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2388 power_up |= (1 << PWIDX_CLFE);
2389 #ifdef CONFIG_SND_AC97_POWER_SAVE
2390 if (ac97_is_power_save_mode(ac97))
2391 power_up = ac97->power_up;
2392 #endif
2393 if (power_up) {
2394 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2395 /* needs power-up analog mix and vref */
2396 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2397 AC97_PD_PR3, 0);
2398 msleep(1);
2399 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2400 AC97_PD_PR2, 0);
2401 }
2402 }
2403 for (i = 0; i < PWIDX_SIZE; i++) {
2404 if (power_up & (1 << i))
2405 bits = 0;
2406 else
2407 bits = power_regs[i].mask;
2408 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2409 power_regs[i].mask, bits);
2410 }
2411 if (! power_up) {
2412 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2413 /* power down analog mix and vref */
2414 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2415 AC97_PD_PR2, AC97_PD_PR2);
2416 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2417 AC97_PD_PR3, AC97_PD_PR3);
2418 }
2419 }
2420 }
2421
2422
2423 #ifdef CONFIG_PM
2424 /**
2425 * snd_ac97_suspend - General suspend function for AC97 codec
2426 * @ac97: the ac97 instance
2427 *
2428 * Suspends the codec, power down the chip.
2429 */
2430 void snd_ac97_suspend(struct snd_ac97 *ac97)
2431 {
2432 if (! ac97)
2433 return;
2434 if (ac97->build_ops->suspend)
2435 ac97->build_ops->suspend(ac97);
2436 #ifdef CONFIG_SND_AC97_POWER_SAVE
2437 cancel_delayed_work(&ac97->power_work);
2438 flush_scheduled_work();
2439 #endif
2440 snd_ac97_powerdown(ac97);
2441 }
2442
2443 EXPORT_SYMBOL(snd_ac97_suspend);
2444
2445 /*
2446 * restore ac97 status
2447 */
2448 static void snd_ac97_restore_status(struct snd_ac97 *ac97)
2449 {
2450 int i;
2451
2452 for (i = 2; i < 0x7c ; i += 2) {
2453 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2454 continue;
2455 /* restore only accessible registers
2456 * some chip (e.g. nm256) may hang up when unsupported registers
2457 * are accessed..!
2458 */
2459 if (test_bit(i, ac97->reg_accessed)) {
2460 snd_ac97_write(ac97, i, ac97->regs[i]);
2461 snd_ac97_read(ac97, i);
2462 }
2463 }
2464 }
2465
2466 /*
2467 * restore IEC958 status
2468 */
2469 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2470 {
2471 if (ac97->ext_id & AC97_EI_SPDIF) {
2472 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2473 /* reset spdif status */
2474 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2475 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2476 if (ac97->flags & AC97_CS_SPDIF)
2477 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2478 else
2479 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2480 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2481 }
2482 }
2483 }
2484
2485 /**
2486 * snd_ac97_resume - General resume function for AC97 codec
2487 * @ac97: the ac97 instance
2488 *
2489 * Do the standard resume procedure, power up and restoring the
2490 * old register values.
2491 */
2492 void snd_ac97_resume(struct snd_ac97 *ac97)
2493 {
2494 unsigned long end_time;
2495
2496 if (! ac97)
2497 return;
2498
2499 if (ac97->bus->ops->reset) {
2500 ac97->bus->ops->reset(ac97);
2501 goto __reset_ready;
2502 }
2503
2504 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2505 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2506 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2507 snd_ac97_write(ac97, AC97_RESET, 0);
2508 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2509 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2510 udelay(100);
2511 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2512 }
2513 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2514
2515 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2516 if (ac97_is_audio(ac97)) {
2517 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2518 end_time = jiffies + msecs_to_jiffies(100);
2519 do {
2520 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2521 break;
2522 schedule_timeout_uninterruptible(1);
2523 } while (time_after_eq(end_time, jiffies));
2524 /* FIXME: extra delay */
2525 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2526 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2527 msleep(250);
2528 } else {
2529 end_time = jiffies + msecs_to_jiffies(100);
2530 do {
2531 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2532 if (val != 0xffff && (val & 1) != 0)
2533 break;
2534 schedule_timeout_uninterruptible(1);
2535 } while (time_after_eq(end_time, jiffies));
2536 }
2537 __reset_ready:
2538
2539 if (ac97->bus->ops->init)
2540 ac97->bus->ops->init(ac97);
2541
2542 if (ac97->build_ops->resume)
2543 ac97->build_ops->resume(ac97);
2544 else {
2545 snd_ac97_restore_status(ac97);
2546 snd_ac97_restore_iec958(ac97);
2547 }
2548 }
2549
2550 EXPORT_SYMBOL(snd_ac97_resume);
2551 #endif
2552
2553
2554 /*
2555 * Hardware tuning
2556 */
2557 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2558 {
2559 if (suffix)
2560 sprintf(dst, "%s %s", src, suffix);
2561 else
2562 strcpy(dst, src);
2563 }
2564
2565 /* remove the control with the given name and optional suffix */
2566 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
2567 const char *suffix)
2568 {
2569 struct snd_ctl_elem_id id;
2570 memset(&id, 0, sizeof(id));
2571 set_ctl_name(id.name, name, suffix);
2572 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2573 return snd_ctl_remove_id(ac97->bus->card, &id);
2574 }
2575
2576 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2577 {
2578 struct snd_ctl_elem_id sid;
2579 memset(&sid, 0, sizeof(sid));
2580 set_ctl_name(sid.name, name, suffix);
2581 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2582 return snd_ctl_find_id(ac97->bus->card, &sid);
2583 }
2584
2585 /* rename the control with the given name and optional suffix */
2586 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
2587 const char *dst, const char *suffix)
2588 {
2589 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2590 if (kctl) {
2591 set_ctl_name(kctl->id.name, dst, suffix);
2592 return 0;
2593 }
2594 return -ENOENT;
2595 }
2596
2597 /* rename both Volume and Switch controls - don't check the return value */
2598 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
2599 const char *dst)
2600 {
2601 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2602 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2603 }
2604
2605 /* swap controls */
2606 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
2607 const char *s2, const char *suffix)
2608 {
2609 struct snd_kcontrol *kctl1, *kctl2;
2610 kctl1 = ctl_find(ac97, s1, suffix);
2611 kctl2 = ctl_find(ac97, s2, suffix);
2612 if (kctl1 && kctl2) {
2613 set_ctl_name(kctl1->id.name, s2, suffix);
2614 set_ctl_name(kctl2->id.name, s1, suffix);
2615 return 0;
2616 }
2617 return -ENOENT;
2618 }
2619
2620 #if 1
2621 /* bind hp and master controls instead of using only hp control */
2622 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2623 {
2624 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2625 if (err > 0) {
2626 unsigned long priv_saved = kcontrol->private_value;
2627 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2628 snd_ac97_put_volsw(kcontrol, ucontrol);
2629 kcontrol->private_value = priv_saved;
2630 }
2631 return err;
2632 }
2633
2634 /* ac97 tune: bind Master and Headphone controls */
2635 static int tune_hp_only(struct snd_ac97 *ac97)
2636 {
2637 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2638 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2639 if (! msw || ! mvol)
2640 return -ENOENT;
2641 msw->put = bind_hp_volsw_put;
2642 mvol->put = bind_hp_volsw_put;
2643 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2644 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2645 return 0;
2646 }
2647
2648 #else
2649 /* ac97 tune: use Headphone control as master */
2650 static int tune_hp_only(struct snd_ac97 *ac97)
2651 {
2652 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2653 return -ENOENT;
2654 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2655 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2656 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2657 return 0;
2658 }
2659 #endif
2660
2661 /* ac97 tune: swap Headphone and Master controls */
2662 static int tune_swap_hp(struct snd_ac97 *ac97)
2663 {
2664 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2665 return -ENOENT;
2666 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2667 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2668 return 0;
2669 }
2670
2671 /* ac97 tune: swap Surround and Master controls */
2672 static int tune_swap_surround(struct snd_ac97 *ac97)
2673 {
2674 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2675 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2676 return -ENOENT;
2677 return 0;
2678 }
2679
2680 /* ac97 tune: set up mic sharing for AD codecs */
2681 static int tune_ad_sharing(struct snd_ac97 *ac97)
2682 {
2683 unsigned short scfg;
2684 if ((ac97->id & 0xffffff00) != 0x41445300) {
2685 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2686 return -EINVAL;
2687 }
2688 /* Turn on OMS bit to route microphone to back panel */
2689 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2690 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2691 return 0;
2692 }
2693
2694 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2695 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2696
2697 /* ac97 tune: set up ALC jack-select */
2698 static int tune_alc_jack(struct snd_ac97 *ac97)
2699 {
2700 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2701 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2702 return -EINVAL;
2703 }
2704 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2705 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2706 if (ac97->id == AC97_ID_ALC658D)
2707 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2708 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2709 }
2710
2711 /* ac97 tune: inversed EAPD bit */
2712 static int tune_inv_eapd(struct snd_ac97 *ac97)
2713 {
2714 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2715 if (! kctl)
2716 return -ENOENT;
2717 set_inv_eapd(ac97, kctl);
2718 return 0;
2719 }
2720
2721 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2722 {
2723 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2724 if (err > 0) {
2725 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2726 int shift = (kcontrol->private_value >> 8) & 0x0f;
2727 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2728 unsigned short mask;
2729 if (shift != rshift)
2730 mask = 0x8080;
2731 else
2732 mask = 0x8000;
2733 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2734 (ac97->regs[AC97_MASTER] & mask) == mask ?
2735 0x8000 : 0);
2736 }
2737 return err;
2738 }
2739
2740 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2741 static int tune_mute_led(struct snd_ac97 *ac97)
2742 {
2743 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2744 if (! msw)
2745 return -ENOENT;
2746 msw->put = master_mute_sw_put;
2747 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2748 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2749 ac97->scaps |= AC97_SCAP_EAPD_LED;
2750 return 0;
2751 }
2752
2753 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2754 struct snd_ctl_elem_value *ucontrol)
2755 {
2756 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2757 if (err > 0) {
2758 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2759 int shift = (kcontrol->private_value >> 8) & 0x0f;
2760 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2761 unsigned short mask;
2762 if (shift != rshift)
2763 mask = 0x8080;
2764 else
2765 mask = 0x8000;
2766 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2767 (ac97->regs[AC97_MASTER] & mask) == mask ?
2768 0x8000 : 0);
2769 }
2770 return err;
2771 }
2772
2773 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2774 {
2775 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2776 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2777 if (! msw || ! mvol)
2778 return -ENOENT;
2779 msw->put = hp_master_mute_sw_put;
2780 mvol->put = bind_hp_volsw_put;
2781 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2782 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2783 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2784 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2785 return 0;
2786 }
2787
2788 struct quirk_table {
2789 const char *name;
2790 int (*func)(struct snd_ac97 *);
2791 };
2792
2793 static struct quirk_table applicable_quirks[] = {
2794 { "none", NULL },
2795 { "hp_only", tune_hp_only },
2796 { "swap_hp", tune_swap_hp },
2797 { "swap_surround", tune_swap_surround },
2798 { "ad_sharing", tune_ad_sharing },
2799 { "alc_jack", tune_alc_jack },
2800 { "inv_eapd", tune_inv_eapd },
2801 { "mute_led", tune_mute_led },
2802 { "hp_mute_led", tune_hp_mute_led },
2803 };
2804
2805 /* apply the quirk with the given type */
2806 static int apply_quirk(struct snd_ac97 *ac97, int type)
2807 {
2808 if (type <= 0)
2809 return 0;
2810 else if (type >= ARRAY_SIZE(applicable_quirks))
2811 return -EINVAL;
2812 if (applicable_quirks[type].func)
2813 return applicable_quirks[type].func(ac97);
2814 return 0;
2815 }
2816
2817 /* apply the quirk with the given name */
2818 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2819 {
2820 int i;
2821 struct quirk_table *q;
2822
2823 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2824 q = &applicable_quirks[i];
2825 if (q->name && ! strcmp(typestr, q->name))
2826 return apply_quirk(ac97, i);
2827 }
2828 /* for compatibility, accept the numbers, too */
2829 if (*typestr >= '0' && *typestr <= '9')
2830 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2831 return -EINVAL;
2832 }
2833
2834 /**
2835 * snd_ac97_tune_hardware - tune up the hardware
2836 * @ac97: the ac97 instance
2837 * @quirk: quirk list
2838 * @override: explicit quirk value (overrides the list if non-NULL)
2839 *
2840 * Do some workaround for each pci device, such as renaming of the
2841 * headphone (true line-out) control as "Master".
2842 * The quirk-list must be terminated with a zero-filled entry.
2843 *
2844 * Returns zero if successful, or a negative error code on failure.
2845 */
2846
2847 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2848 {
2849 int result;
2850
2851 /* quirk overriden? */
2852 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2853 result = apply_quirk_str(ac97, override);
2854 if (result < 0)
2855 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2856 return result;
2857 }
2858
2859 if (! quirk)
2860 return -EINVAL;
2861
2862 for (; quirk->subvendor; quirk++) {
2863 if (quirk->subvendor != ac97->subsystem_vendor)
2864 continue;
2865 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2866 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2867 if (quirk->codec_id && quirk->codec_id != ac97->id)
2868 continue;
2869 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2870 result = apply_quirk(ac97, quirk->type);
2871 if (result < 0)
2872 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2873 return result;
2874 }
2875 }
2876 return 0;
2877 }
2878
2879 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2880
2881 /*
2882 * INIT part
2883 */
2884
2885 static int __init alsa_ac97_init(void)
2886 {
2887 return 0;
2888 }
2889
2890 static void __exit alsa_ac97_exit(void)
2891 {
2892 }
2893
2894 module_init(alsa_ac97_init)
2895 module_exit(alsa_ac97_exit)
Linux with added FPC-III support