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Merge tag 'locks-v3.16-2' of git://git.samba.org/jlayton/linux
[linux/fpc-iii.git] / sound / pci / ac97 / ac97_codec.c
blob14ad54b7928cf326732f3967a2fc24faadeef60e
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 <linux/delay.h>
26 #include <linux/init.h>
27 #include <linux/slab.h>
28 #include <linux/pci.h>
29 #include <linux/module.h>
30 #include <linux/mutex.h>
31 #include <sound/core.h>
32 #include <sound/pcm.h>
33 #include <sound/tlv.h>
34 #include <sound/ac97_codec.h>
35 #include <sound/asoundef.h>
36 #include <sound/initval.h>
37 #include "ac97_id.h"
38
39 #include "ac97_patch.c"
40
41 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
42 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
43 MODULE_LICENSE("GPL");
44
45 static bool enable_loopback;
46
47 module_param(enable_loopback, bool, 0444);
48 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
49
50 #ifdef CONFIG_SND_AC97_POWER_SAVE
51 static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT;
52 module_param(power_save, int, 0644);
53 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
54 "(in second, 0 = disable).");
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 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
71 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
72 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
73 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
74 /*
75 * This is an _inofficial_ Aztech Labs entry
76 * (value might differ from unknown official Aztech ID),
77 * currently used by the AC97 emulation of the almost-AC97 PCI168 card.
78 */
79 { 0x415a5400, 0xffffff00, "Aztech Labs (emulated)", NULL, NULL },
80 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
81 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
82 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
83 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
84 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
85 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
86 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
87 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
88 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
89 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
90 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
91 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
92 { 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL },
93 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
94 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
95 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
96 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
97 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
98 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
99 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
100 { 0, 0, NULL, NULL, NULL }
101 };
102
103 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
104 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
105 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
106 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
107 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
108 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
109 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
110 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
111 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
112 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
113 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
114 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
115 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
116 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL },
117 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
118 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
119 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
120 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
121 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
122 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
123 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
124 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
125 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
126 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
127 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
128 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
129 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
130 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
131 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
132 { 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL },
133 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
134 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
135 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
136 { 0x415a5401, 0xffffffff, "AZF3328", patch_aztech_azf3328, NULL },
137 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
138 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
139 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
140 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL },
141 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL },
142 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL },
143 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
144 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
145 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
146 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
147 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
148 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
149 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
150 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
151 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
152 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
153 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
154 { 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL },
155 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL },
156 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
157 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
158 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
159 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
160 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
161 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
162 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
163 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
164 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
165 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
166 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
167 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
168 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
169 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
170 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
171 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
172 { 0x53544d02, 0xffffffff, "ST7597", NULL, NULL },
173 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
174 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL },
175 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
176 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
177 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
178 { 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL },
179 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
180 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
181 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
182 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL },
183 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
184 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL },
185 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
186 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
187 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
188 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
189 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL},
190 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
191 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL },
192 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
193 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
194 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
195 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
196 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
197 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
198 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
199 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
200 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
201 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
202 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
203 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
204 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
205 { 0, 0, NULL, NULL, NULL }
206 };
207
208
209 static void update_power_regs(struct snd_ac97 *ac97);
210 #ifdef CONFIG_SND_AC97_POWER_SAVE
211 #define ac97_is_power_save_mode(ac97) \
212 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
213 #else
214 #define ac97_is_power_save_mode(ac97) 0
215 #endif
216
217 #define ac97_err(ac97, fmt, args...) \
218 dev_err((ac97)->bus->card->dev, fmt, ##args)
219 #define ac97_warn(ac97, fmt, args...) \
220 dev_warn((ac97)->bus->card->dev, fmt, ##args)
221 #define ac97_dbg(ac97, fmt, args...) \
222 dev_dbg((ac97)->bus->card->dev, fmt, ##args)
223
224 /*
225 * I/O routines
226 */
227
228 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
229 {
230 /* filter some registers for buggy codecs */
231 switch (ac97->id) {
232 case AC97_ID_ST_AC97_ID4:
233 if (reg == 0x08)
234 return 0;
235 /* fall through */
236 case AC97_ID_ST7597:
237 if (reg == 0x22 || reg == 0x7a)
238 return 1;
239 /* fall through */
240 case AC97_ID_AK4540:
241 case AC97_ID_AK4542:
242 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
243 return 1;
244 return 0;
245 case AC97_ID_AD1819: /* AD1819 */
246 case AC97_ID_AD1881: /* AD1881 */
247 case AC97_ID_AD1881A: /* AD1881A */
248 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
249 return 0;
250 return 1;
251 case AC97_ID_AD1885: /* AD1885 */
252 case AC97_ID_AD1886: /* AD1886 */
253 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
254 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
255 if (reg == 0x5a)
256 return 1;
257 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
258 return 0;
259 return 1;
260 case AC97_ID_STAC9700:
261 case AC97_ID_STAC9704:
262 case AC97_ID_STAC9705:
263 case AC97_ID_STAC9708:
264 case AC97_ID_STAC9721:
265 case AC97_ID_STAC9744:
266 case AC97_ID_STAC9756:
267 if (reg <= 0x3a || reg >= 0x5a)
268 return 1;
269 return 0;
270 }
271 return 1;
272 }
273
274 /**
275 * snd_ac97_write - write a value on the given register
276 * @ac97: the ac97 instance
277 * @reg: the register to change
278 * @value: the value to set
279 *
280 * Writes a value on the given register. This will invoke the write
281 * callback directly after the register check.
282 * This function doesn't change the register cache unlike
283 * #snd_ca97_write_cache(), so use this only when you don't want to
284 * reflect the change to the suspend/resume state.
285 */
286 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
287 {
288 if (!snd_ac97_valid_reg(ac97, reg))
289 return;
290 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
291 /* Fix H/W bug of ALC100/100P */
292 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
293 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
294 }
295 ac97->bus->ops->write(ac97, reg, value);
296 }
297
298 EXPORT_SYMBOL(snd_ac97_write);
299
300 /**
301 * snd_ac97_read - read a value from the given register
302 *
303 * @ac97: the ac97 instance
304 * @reg: the register to read
305 *
306 * Reads a value from the given register. This will invoke the read
307 * callback directly after the register check.
308 *
309 * Return: The read value.
310 */
311 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
312 {
313 if (!snd_ac97_valid_reg(ac97, reg))
314 return 0;
315 return ac97->bus->ops->read(ac97, reg);
316 }
317
318 /* read a register - return the cached value if already read */
319 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
320 {
321 if (! test_bit(reg, ac97->reg_accessed)) {
322 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
323 // set_bit(reg, ac97->reg_accessed);
324 }
325 return ac97->regs[reg];
326 }
327
328 EXPORT_SYMBOL(snd_ac97_read);
329
330 /**
331 * snd_ac97_write_cache - write a value on the given register and update the cache
332 * @ac97: the ac97 instance
333 * @reg: the register to change
334 * @value: the value to set
335 *
336 * Writes a value on the given register and updates the register
337 * cache. The cached values are used for the cached-read and the
338 * suspend/resume.
339 */
340 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
341 {
342 if (!snd_ac97_valid_reg(ac97, reg))
343 return;
344 mutex_lock(&ac97->reg_mutex);
345 ac97->regs[reg] = value;
346 ac97->bus->ops->write(ac97, reg, value);
347 set_bit(reg, ac97->reg_accessed);
348 mutex_unlock(&ac97->reg_mutex);
349 }
350
351 EXPORT_SYMBOL(snd_ac97_write_cache);
352
353 /**
354 * snd_ac97_update - update the value on the given register
355 * @ac97: the ac97 instance
356 * @reg: the register to change
357 * @value: the value to set
358 *
359 * Compares the value with the register cache and updates the value
360 * only when the value is changed.
361 *
362 * Return: 1 if the value is changed, 0 if no change, or a negative
363 * code on failure.
364 */
365 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
366 {
367 int change;
368
369 if (!snd_ac97_valid_reg(ac97, reg))
370 return -EINVAL;
371 mutex_lock(&ac97->reg_mutex);
372 change = ac97->regs[reg] != value;
373 if (change) {
374 ac97->regs[reg] = value;
375 ac97->bus->ops->write(ac97, reg, value);
376 }
377 set_bit(reg, ac97->reg_accessed);
378 mutex_unlock(&ac97->reg_mutex);
379 return change;
380 }
381
382 EXPORT_SYMBOL(snd_ac97_update);
383
384 /**
385 * snd_ac97_update_bits - update the bits on the given register
386 * @ac97: the ac97 instance
387 * @reg: the register to change
388 * @mask: the bit-mask to change
389 * @value: the value to set
390 *
391 * Updates the masked-bits on the given register only when the value
392 * is changed.
393 *
394 * Return: 1 if the bits are changed, 0 if no change, or a negative
395 * code on failure.
396 */
397 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
398 {
399 int change;
400
401 if (!snd_ac97_valid_reg(ac97, reg))
402 return -EINVAL;
403 mutex_lock(&ac97->reg_mutex);
404 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
405 mutex_unlock(&ac97->reg_mutex);
406 return change;
407 }
408
409 EXPORT_SYMBOL(snd_ac97_update_bits);
410
411 /* no lock version - see snd_ac97_update_bits() */
412 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
413 unsigned short mask, unsigned short value)
414 {
415 int change;
416 unsigned short old, new;
417
418 old = snd_ac97_read_cache(ac97, reg);
419 new = (old & ~mask) | (value & mask);
420 change = old != new;
421 if (change) {
422 ac97->regs[reg] = new;
423 ac97->bus->ops->write(ac97, reg, new);
424 }
425 set_bit(reg, ac97->reg_accessed);
426 return change;
427 }
428
429 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
430 {
431 int change;
432 unsigned short old, new, cfg;
433
434 mutex_lock(&ac97->page_mutex);
435 old = ac97->spec.ad18xx.pcmreg[codec];
436 new = (old & ~mask) | (value & mask);
437 change = old != new;
438 if (change) {
439 mutex_lock(&ac97->reg_mutex);
440 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
441 ac97->spec.ad18xx.pcmreg[codec] = new;
442 /* select single codec */
443 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
444 (cfg & ~0x7000) |
445 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
446 /* update PCM bits */
447 ac97->bus->ops->write(ac97, AC97_PCM, new);
448 /* select all codecs */
449 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
450 cfg | 0x7000);
451 mutex_unlock(&ac97->reg_mutex);
452 }
453 mutex_unlock(&ac97->page_mutex);
454 return change;
455 }
456
457 /*
458 * Controls
459 */
460
461 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
462 struct snd_ctl_elem_info *uinfo)
463 {
464 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
465
466 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
467 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
468 uinfo->value.enumerated.items = e->mask;
469
470 if (uinfo->value.enumerated.item > e->mask - 1)
471 uinfo->value.enumerated.item = e->mask - 1;
472 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
473 return 0;
474 }
475
476 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
477 struct snd_ctl_elem_value *ucontrol)
478 {
479 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
480 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
481 unsigned short val, bitmask;
482
483 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
484 ;
485 val = snd_ac97_read_cache(ac97, e->reg);
486 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
487 if (e->shift_l != e->shift_r)
488 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
489
490 return 0;
491 }
492
493 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
494 struct snd_ctl_elem_value *ucontrol)
495 {
496 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
497 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
498 unsigned short val;
499 unsigned short mask, bitmask;
500
501 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
502 ;
503 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
504 return -EINVAL;
505 val = ucontrol->value.enumerated.item[0] << e->shift_l;
506 mask = (bitmask - 1) << e->shift_l;
507 if (e->shift_l != e->shift_r) {
508 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
509 return -EINVAL;
510 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
511 mask |= (bitmask - 1) << e->shift_r;
512 }
513 return snd_ac97_update_bits(ac97, e->reg, mask, val);
514 }
515
516 /* save/restore ac97 v2.3 paging */
517 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
518 {
519 int page_save = -1;
520 if ((kcontrol->private_value & (1<<25)) &&
521 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
522 (reg >= 0x60 && reg < 0x70)) {
523 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
524 mutex_lock(&ac97->page_mutex); /* lock paging */
525 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
526 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
527 }
528 return page_save;
529 }
530
531 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
532 {
533 if (page_save >= 0) {
534 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
535 mutex_unlock(&ac97->page_mutex); /* unlock paging */
536 }
537 }
538
539 /* volume and switch controls */
540 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
541 struct snd_ctl_elem_info *uinfo)
542 {
543 int mask = (kcontrol->private_value >> 16) & 0xff;
544 int shift = (kcontrol->private_value >> 8) & 0x0f;
545 int rshift = (kcontrol->private_value >> 12) & 0x0f;
546
547 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
548 uinfo->count = shift == rshift ? 1 : 2;
549 uinfo->value.integer.min = 0;
550 uinfo->value.integer.max = mask;
551 return 0;
552 }
553
554 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
555 struct snd_ctl_elem_value *ucontrol)
556 {
557 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
558 int reg = kcontrol->private_value & 0xff;
559 int shift = (kcontrol->private_value >> 8) & 0x0f;
560 int rshift = (kcontrol->private_value >> 12) & 0x0f;
561 int mask = (kcontrol->private_value >> 16) & 0xff;
562 int invert = (kcontrol->private_value >> 24) & 0x01;
563 int page_save;
564
565 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
566 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
567 if (shift != rshift)
568 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
569 if (invert) {
570 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
571 if (shift != rshift)
572 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
573 }
574 snd_ac97_page_restore(ac97, page_save);
575 return 0;
576 }
577
578 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
579 struct snd_ctl_elem_value *ucontrol)
580 {
581 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
582 int reg = kcontrol->private_value & 0xff;
583 int shift = (kcontrol->private_value >> 8) & 0x0f;
584 int rshift = (kcontrol->private_value >> 12) & 0x0f;
585 int mask = (kcontrol->private_value >> 16) & 0xff;
586 int invert = (kcontrol->private_value >> 24) & 0x01;
587 int err, page_save;
588 unsigned short val, val2, val_mask;
589
590 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
591 val = (ucontrol->value.integer.value[0] & mask);
592 if (invert)
593 val = mask - val;
594 val_mask = mask << shift;
595 val = val << shift;
596 if (shift != rshift) {
597 val2 = (ucontrol->value.integer.value[1] & mask);
598 if (invert)
599 val2 = mask - val2;
600 val_mask |= mask << rshift;
601 val |= val2 << rshift;
602 }
603 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
604 snd_ac97_page_restore(ac97, page_save);
605 #ifdef CONFIG_SND_AC97_POWER_SAVE
606 /* check analog mixer power-down */
607 if ((val_mask & AC97_PD_EAPD) &&
608 (kcontrol->private_value & (1<<30))) {
609 if (val & AC97_PD_EAPD)
610 ac97->power_up &= ~(1 << (reg>>1));
611 else
612 ac97->power_up |= 1 << (reg>>1);
613 update_power_regs(ac97);
614 }
615 #endif
616 return err;
617 }
618
619 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
620 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
621 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
622 };
623
624 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
625 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
626 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
627 };
628
629 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
630 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
631 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1)
632 };
633
634 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
635 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
636
637
638 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
639 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
640 static const char* std_mix[] = {"Mix", "Mic"};
641 static const char* std_mic[] = {"Mic1", "Mic2"};
642
643 static const struct ac97_enum std_enum[] = {
644 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
645 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
646 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
647 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
648 };
649
650 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
651 AC97_ENUM("Capture Source", std_enum[0]);
652
653 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
654 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
655
656 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
657 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
658 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
659 };
660
661 enum {
662 AC97_GENERAL_PCM_OUT = 0,
663 AC97_GENERAL_STEREO_ENHANCEMENT,
664 AC97_GENERAL_3D,
665 AC97_GENERAL_LOUDNESS,
666 AC97_GENERAL_MONO,
667 AC97_GENERAL_MIC,
668 AC97_GENERAL_LOOPBACK
669 };
670
671 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
672 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
673 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
674 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
675 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
676 AC97_ENUM("Mono Output Select", std_enum[2]),
677 AC97_ENUM("Mic Select", std_enum[3]),
678 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
679 };
680
681 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
682 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
683 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
684 };
685
686 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
687 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
688 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
689 };
690
691 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
692 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
693 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
694 };
695
696 static const struct snd_kcontrol_new snd_ac97_control_eapd =
697 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
698
699 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
700 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
701 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
702 };
703
704 /* change the existing EAPD control as inverted */
705 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
706 {
707 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
708 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
709 ac97->scaps |= AC97_SCAP_INV_EAPD;
710 }
711
712 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
713 {
714 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
715 uinfo->count = 1;
716 return 0;
717 }
718
719 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
720 {
721 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
722 IEC958_AES0_NONAUDIO |
723 IEC958_AES0_CON_EMPHASIS_5015 |
724 IEC958_AES0_CON_NOT_COPYRIGHT;
725 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
726 IEC958_AES1_CON_ORIGINAL;
727 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
728 return 0;
729 }
730
731 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
732 {
733 /* FIXME: AC'97 spec doesn't say which bits are used for what */
734 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
735 IEC958_AES0_NONAUDIO |
736 IEC958_AES0_PRO_FS |
737 IEC958_AES0_PRO_EMPHASIS_5015;
738 return 0;
739 }
740
741 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
742 {
743 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
744
745 mutex_lock(&ac97->reg_mutex);
746 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
747 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
748 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
749 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
750 mutex_unlock(&ac97->reg_mutex);
751 return 0;
752 }
753
754 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
755 {
756 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
757 unsigned int new = 0;
758 unsigned short val = 0;
759 int change;
760
761 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
762 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
763 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
764 switch (new & IEC958_AES0_PRO_FS) {
765 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
766 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
767 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
768 default: val |= 1<<12; break;
769 }
770 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
771 val |= 1<<3;
772 } else {
773 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
774 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
775 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
776 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
777 val |= 1<<3;
778 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
779 val |= 1<<2;
780 val |= ((new >> 8) & 0xff) << 4; // category + original
781 switch ((new >> 24) & 0xff) {
782 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
783 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
784 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
785 default: val |= 1<<12; break;
786 }
787 }
788
789 mutex_lock(&ac97->reg_mutex);
790 change = ac97->spdif_status != new;
791 ac97->spdif_status = new;
792
793 if (ac97->flags & AC97_CS_SPDIF) {
794 int x = (val >> 12) & 0x03;
795 switch (x) {
796 case 0: x = 1; break; // 44.1
797 case 2: x = 0; break; // 48.0
798 default: x = 0; break; // illegal.
799 }
800 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
801 } else if (ac97->flags & AC97_CX_SPDIF) {
802 int v;
803 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
804 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
805 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
806 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
807 v);
808 } else if (ac97->id == AC97_ID_YMF743) {
809 change |= snd_ac97_update_bits_nolock(ac97,
810 AC97_YMF7X3_DIT_CTRL,
811 0xff38,
812 ((val << 4) & 0xff00) |
813 ((val << 2) & 0x0038));
814 } else {
815 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
816 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
817
818 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
819 if (extst & AC97_EA_SPDIF) {
820 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
821 }
822 }
823 mutex_unlock(&ac97->reg_mutex);
824
825 return change;
826 }
827
828 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
829 {
830 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
831 int reg = kcontrol->private_value & 0xff;
832 int shift = (kcontrol->private_value >> 8) & 0xff;
833 int mask = (kcontrol->private_value >> 16) & 0xff;
834 // int invert = (kcontrol->private_value >> 24) & 0xff;
835 unsigned short value, old, new;
836 int change;
837
838 value = (ucontrol->value.integer.value[0] & mask);
839
840 mutex_lock(&ac97->reg_mutex);
841 mask <<= shift;
842 value <<= shift;
843 old = snd_ac97_read_cache(ac97, reg);
844 new = (old & ~mask) | value;
845 change = old != new;
846
847 if (change) {
848 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
849 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
850 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
851 if (extst & AC97_EA_SPDIF)
852 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
853 }
854 mutex_unlock(&ac97->reg_mutex);
855 return change;
856 }
857
858 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
859 {
860 .access = SNDRV_CTL_ELEM_ACCESS_READ,
861 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
862 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
863 .info = snd_ac97_spdif_mask_info,
864 .get = snd_ac97_spdif_cmask_get,
865 },
866 {
867 .access = SNDRV_CTL_ELEM_ACCESS_READ,
868 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
869 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
870 .info = snd_ac97_spdif_mask_info,
871 .get = snd_ac97_spdif_pmask_get,
872 },
873 {
874 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
875 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
876 .info = snd_ac97_spdif_mask_info,
877 .get = snd_ac97_spdif_default_get,
878 .put = snd_ac97_spdif_default_put,
879 },
880
881 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
882 {
883 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
884 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
885 .info = snd_ac97_info_volsw,
886 .get = snd_ac97_get_volsw,
887 .put = snd_ac97_put_spsa,
888 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
889 },
890 };
891
892 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
893 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
894 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
895 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
896
897 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
898 {
899 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
900 int mask = (kcontrol->private_value >> 16) & 0x0f;
901 int lshift = (kcontrol->private_value >> 8) & 0x0f;
902 int rshift = (kcontrol->private_value >> 12) & 0x0f;
903
904 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
905 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
906 uinfo->count = 2;
907 else
908 uinfo->count = 1;
909 uinfo->value.integer.min = 0;
910 uinfo->value.integer.max = mask;
911 return 0;
912 }
913
914 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
915 {
916 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
917 int codec = kcontrol->private_value & 3;
918 int lshift = (kcontrol->private_value >> 8) & 0x0f;
919 int rshift = (kcontrol->private_value >> 12) & 0x0f;
920 int mask = (kcontrol->private_value >> 16) & 0xff;
921
922 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
923 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
924 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
925 return 0;
926 }
927
928 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
929 {
930 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
931 int codec = kcontrol->private_value & 3;
932 int lshift = (kcontrol->private_value >> 8) & 0x0f;
933 int rshift = (kcontrol->private_value >> 12) & 0x0f;
934 int mask = (kcontrol->private_value >> 16) & 0xff;
935 unsigned short val, valmask;
936
937 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
938 valmask = mask << lshift;
939 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
940 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
941 valmask |= mask << rshift;
942 }
943 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
944 }
945
946 #define AD18XX_PCM_VOLUME(xname, codec) \
947 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
948 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
949 .private_value = codec }
950
951 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
952 {
953 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
954 uinfo->count = 2;
955 uinfo->value.integer.min = 0;
956 uinfo->value.integer.max = 31;
957 return 0;
958 }
959
960 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
961 {
962 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
963 int codec = kcontrol->private_value & 3;
964
965 mutex_lock(&ac97->page_mutex);
966 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
967 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
968 mutex_unlock(&ac97->page_mutex);
969 return 0;
970 }
971
972 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
973 {
974 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
975 int codec = kcontrol->private_value & 3;
976 unsigned short val1, val2;
977
978 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
979 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
980 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
981 }
982
983 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
984 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
985 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
986 };
987
988 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
989 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
990 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
991 };
992
993 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
994 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
995 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
996 };
997
998 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
999 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
1000 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
1001 };
1002
1003 /*
1004 *
1005 */
1006
1007 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
1008
1009 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
1010 {
1011 if (bus) {
1012 snd_ac97_bus_proc_done(bus);
1013 kfree(bus->pcms);
1014 if (bus->private_free)
1015 bus->private_free(bus);
1016 kfree(bus);
1017 }
1018 return 0;
1019 }
1020
1021 static int snd_ac97_bus_dev_free(struct snd_device *device)
1022 {
1023 struct snd_ac97_bus *bus = device->device_data;
1024 return snd_ac97_bus_free(bus);
1025 }
1026
1027 static int snd_ac97_free(struct snd_ac97 *ac97)
1028 {
1029 if (ac97) {
1030 #ifdef CONFIG_SND_AC97_POWER_SAVE
1031 cancel_delayed_work_sync(&ac97->power_work);
1032 #endif
1033 snd_ac97_proc_done(ac97);
1034 if (ac97->bus)
1035 ac97->bus->codec[ac97->num] = NULL;
1036 if (ac97->private_free)
1037 ac97->private_free(ac97);
1038 kfree(ac97);
1039 }
1040 return 0;
1041 }
1042
1043 static int snd_ac97_dev_free(struct snd_device *device)
1044 {
1045 struct snd_ac97 *ac97 = device->device_data;
1046 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1047 return snd_ac97_free(ac97);
1048 }
1049
1050 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1051 {
1052 unsigned short val, mask = AC97_MUTE_MASK_MONO;
1053
1054 if (! snd_ac97_valid_reg(ac97, reg))
1055 return 0;
1056
1057 switch (reg) {
1058 case AC97_MASTER_TONE:
1059 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0;
1060 case AC97_HEADPHONE:
1061 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0;
1062 case AC97_REC_GAIN_MIC:
1063 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0;
1064 case AC97_3D_CONTROL:
1065 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) {
1066 val = snd_ac97_read(ac97, reg);
1067 /* if nonzero - fixed and we can't set it */
1068 return val == 0;
1069 }
1070 return 0;
1071 case AC97_CENTER_LFE_MASTER: /* center */
1072 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1073 return 0;
1074 break;
1075 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1076 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1077 return 0;
1078 reg = AC97_CENTER_LFE_MASTER;
1079 mask = 0x0080;
1080 break;
1081 case AC97_SURROUND_MASTER:
1082 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1083 return 0;
1084 break;
1085 }
1086
1087 val = snd_ac97_read(ac97, reg);
1088 if (!(val & mask)) {
1089 /* nothing seems to be here - mute flag is not set */
1090 /* try another test */
1091 snd_ac97_write_cache(ac97, reg, val | mask);
1092 val = snd_ac97_read(ac97, reg);
1093 val = snd_ac97_read(ac97, reg);
1094 if (!(val & mask))
1095 return 0; /* nothing here */
1096 }
1097 return 1; /* success, useable */
1098 }
1099
1100 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1101 {
1102 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1103 unsigned char max[3] = { 63, 31, 15 };
1104 int i;
1105
1106 /* first look up the static resolution table */
1107 if (ac97->res_table) {
1108 const struct snd_ac97_res_table *tbl;
1109 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1110 if (tbl->reg == reg) {
1111 *lo_max = tbl->bits & 0xff;
1112 *hi_max = (tbl->bits >> 8) & 0xff;
1113 return;
1114 }
1115 }
1116 }
1117
1118 *lo_max = *hi_max = 0;
1119 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1120 unsigned short val;
1121 snd_ac97_write(
1122 ac97, reg,
1123 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8)
1124 );
1125 /* Do the read twice due to buffers on some ac97 codecs.
1126 * e.g. The STAC9704 returns exactly what you wrote to the register
1127 * if you read it immediately. This causes the detect routine to fail.
1128 */
1129 val = snd_ac97_read(ac97, reg);
1130 val = snd_ac97_read(ac97, reg);
1131 if (! *lo_max && (val & 0x7f) == cbit[i])
1132 *lo_max = max[i];
1133 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1134 *hi_max = max[i];
1135 if (*lo_max && *hi_max)
1136 break;
1137 }
1138 }
1139
1140 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1141 {
1142 unsigned short mask, val, orig, res;
1143
1144 mask = 1 << bit;
1145 orig = snd_ac97_read(ac97, reg);
1146 val = orig ^ mask;
1147 snd_ac97_write(ac97, reg, val);
1148 res = snd_ac97_read(ac97, reg);
1149 snd_ac97_write_cache(ac97, reg, orig);
1150 return res == val;
1151 }
1152
1153 /* check the volume resolution of center/lfe */
1154 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1155 {
1156 unsigned short val, val1;
1157
1158 *max = 63;
1159 val = AC97_MUTE_MASK_STEREO | (0x20 << shift);
1160 snd_ac97_write(ac97, reg, val);
1161 val1 = snd_ac97_read(ac97, reg);
1162 if (val != val1) {
1163 *max = 31;
1164 }
1165 /* reset volume to zero */
1166 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO);
1167 }
1168
1169 static inline int printable(unsigned int x)
1170 {
1171 x &= 0xff;
1172 if (x < ' ' || x >= 0x71) {
1173 if (x <= 0x89)
1174 return x - 0x71 + 'A';
1175 return '?';
1176 }
1177 return x;
1178 }
1179
1180 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
1181 struct snd_ac97 * ac97)
1182 {
1183 struct snd_kcontrol_new template;
1184 memcpy(&template, _template, sizeof(template));
1185 template.index = ac97->num;
1186 return snd_ctl_new1(&template, ac97);
1187 }
1188
1189 /*
1190 * create mute switch(es) for normal stereo controls
1191 */
1192 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1193 int check_stereo, int check_amix,
1194 struct snd_ac97 *ac97)
1195 {
1196 struct snd_kcontrol *kctl;
1197 int err;
1198 unsigned short val, val1, mute_mask;
1199
1200 if (! snd_ac97_valid_reg(ac97, reg))
1201 return 0;
1202
1203 mute_mask = AC97_MUTE_MASK_MONO;
1204 val = snd_ac97_read(ac97, reg);
1205 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1206 /* check whether both mute bits work */
1207 val1 = val | AC97_MUTE_MASK_STEREO;
1208 snd_ac97_write(ac97, reg, val1);
1209 if (val1 == snd_ac97_read(ac97, reg))
1210 mute_mask = AC97_MUTE_MASK_STEREO;
1211 }
1212 if (mute_mask == AC97_MUTE_MASK_STEREO) {
1213 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1214 if (check_amix)
1215 tmp.private_value |= (1 << 30);
1216 tmp.index = ac97->num;
1217 kctl = snd_ctl_new1(&tmp, ac97);
1218 } else {
1219 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1220 if (check_amix)
1221 tmp.private_value |= (1 << 30);
1222 tmp.index = ac97->num;
1223 kctl = snd_ctl_new1(&tmp, ac97);
1224 }
1225 err = snd_ctl_add(card, kctl);
1226 if (err < 0)
1227 return err;
1228 /* mute as default */
1229 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1230 return 0;
1231 }
1232
1233 /*
1234 * set dB information
1235 */
1236 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1237 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1238 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1239 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1240 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1241
1242 static const unsigned int *find_db_scale(unsigned int maxval)
1243 {
1244 switch (maxval) {
1245 case 0x0f: return db_scale_4bit;
1246 case 0x1f: return db_scale_5bit;
1247 case 0x3f: return db_scale_6bit;
1248 }
1249 return NULL;
1250 }
1251
1252 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1253 {
1254 kctl->tlv.p = tlv;
1255 if (tlv)
1256 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1257 }
1258
1259 /*
1260 * create a volume for normal stereo/mono controls
1261 */
1262 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1263 unsigned int hi_max, struct snd_ac97 *ac97)
1264 {
1265 int err;
1266 struct snd_kcontrol *kctl;
1267
1268 if (! snd_ac97_valid_reg(ac97, reg))
1269 return 0;
1270 if (hi_max) {
1271 /* invert */
1272 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1273 tmp.index = ac97->num;
1274 kctl = snd_ctl_new1(&tmp, ac97);
1275 } else {
1276 /* invert */
1277 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1278 tmp.index = ac97->num;
1279 kctl = snd_ctl_new1(&tmp, ac97);
1280 }
1281 if (!kctl)
1282 return -ENOMEM;
1283 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1284 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1285 else
1286 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1287 err = snd_ctl_add(card, kctl);
1288 if (err < 0)
1289 return err;
1290 snd_ac97_write_cache(
1291 ac97, reg,
1292 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO)
1293 | lo_max | (hi_max << 8)
1294 );
1295 return 0;
1296 }
1297
1298 /*
1299 * create a mute-switch and a volume for normal stereo/mono controls
1300 */
1301 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1302 int reg, int check_stereo, int check_amix,
1303 struct snd_ac97 *ac97)
1304 {
1305 int err;
1306 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
1307 unsigned char lo_max, hi_max;
1308
1309 if (! snd_ac97_valid_reg(ac97, reg))
1310 return 0;
1311
1312 if (snd_ac97_try_bit(ac97, reg, 15)) {
1313 sprintf(name, "%s Switch", pfx);
1314 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1315 check_stereo, check_amix,
1316 ac97)) < 0)
1317 return err;
1318 }
1319 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1320 if (lo_max) {
1321 sprintf(name, "%s Volume", pfx);
1322 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1323 return err;
1324 }
1325 return 0;
1326 }
1327
1328 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1329 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1330 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1331 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1332
1333 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1334
1335 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1336 {
1337 struct snd_card *card = ac97->bus->card;
1338 struct snd_kcontrol *kctl;
1339 int err;
1340 unsigned int idx;
1341 unsigned char max;
1342
1343 /* build master controls */
1344 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1345 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1346 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1347 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1348 AC97_MASTER, 0, ac97);
1349 else
1350 err = snd_ac97_cmix_new(card, "Master Playback",
1351 AC97_MASTER, 0, ac97);
1352 if (err < 0)
1353 return err;
1354 }
1355
1356 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO;
1357
1358 /* build center controls */
1359 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1360 && !(ac97->flags & AC97_AD_MULTI)) {
1361 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1362 return err;
1363 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1364 return err;
1365 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1366 kctl->private_value &= ~(0xff << 16);
1367 kctl->private_value |= (int)max << 16;
1368 set_tlv_db_scale(kctl, find_db_scale(max));
1369 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1370 }
1371
1372 /* build LFE controls */
1373 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1374 && !(ac97->flags & AC97_AD_MULTI)) {
1375 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1376 return err;
1377 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1378 return err;
1379 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1380 kctl->private_value &= ~(0xff << 16);
1381 kctl->private_value |= (int)max << 16;
1382 set_tlv_db_scale(kctl, find_db_scale(max));
1383 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1384 }
1385
1386 /* build surround controls */
1387 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1388 && !(ac97->flags & AC97_AD_MULTI)) {
1389 /* Surround Master (0x38) is with stereo mutes */
1390 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1391 AC97_SURROUND_MASTER, 1, 0,
1392 ac97)) < 0)
1393 return err;
1394 }
1395
1396 /* build headphone controls */
1397 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1398 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1399 AC97_HEADPHONE, 0, ac97)) < 0)
1400 return err;
1401 }
1402
1403 /* build master mono controls */
1404 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1405 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1406 AC97_MASTER_MONO, 0, ac97)) < 0)
1407 return err;
1408 }
1409
1410 /* build master tone controls */
1411 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1412 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1413 for (idx = 0; idx < 2; idx++) {
1414 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1415 return err;
1416 if (ac97->id == AC97_ID_YMF743 ||
1417 ac97->id == AC97_ID_YMF753) {
1418 kctl->private_value &= ~(0xff << 16);
1419 kctl->private_value |= 7 << 16;
1420 }
1421 }
1422 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1423 }
1424 }
1425
1426 /* build Beep controls */
1427 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1428 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1429 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1430 for (idx = 0; idx < 2; idx++)
1431 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1432 return err;
1433 set_tlv_db_scale(kctl, db_scale_4bit);
1434 snd_ac97_write_cache(
1435 ac97,
1436 AC97_PC_BEEP,
1437 (snd_ac97_read(ac97, AC97_PC_BEEP)
1438 | AC97_MUTE_MASK_MONO | 0x001e)
1439 );
1440 }
1441
1442 /* build Phone controls */
1443 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1444 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1445 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1446 AC97_PHONE, 1, ac97)) < 0)
1447 return err;
1448 }
1449 }
1450
1451 /* build MIC controls */
1452 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1453 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1454 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1455 AC97_MIC, 1, ac97)) < 0)
1456 return err;
1457 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1458 return err;
1459 }
1460 }
1461
1462 /* build Line controls */
1463 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1464 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1465 AC97_LINE, 1, ac97)) < 0)
1466 return err;
1467 }
1468
1469 /* build CD controls */
1470 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1471 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1472 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1473 AC97_CD, 1, ac97)) < 0)
1474 return err;
1475 }
1476 }
1477
1478 /* build Video controls */
1479 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1480 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1481 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1482 AC97_VIDEO, 1, ac97)) < 0)
1483 return err;
1484 }
1485 }
1486
1487 /* build Aux controls */
1488 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1489 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1490 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1491 AC97_AUX, 1, ac97)) < 0)
1492 return err;
1493 }
1494 }
1495
1496 /* build PCM controls */
1497 if (ac97->flags & AC97_AD_MULTI) {
1498 unsigned short init_val;
1499 if (ac97->flags & AC97_STEREO_MUTES)
1500 init_val = 0x9f9f;
1501 else
1502 init_val = 0x9f1f;
1503 for (idx = 0; idx < 2; idx++)
1504 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1505 return err;
1506 set_tlv_db_scale(kctl, db_scale_5bit);
1507 ac97->spec.ad18xx.pcmreg[0] = init_val;
1508 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1509 for (idx = 0; idx < 2; idx++)
1510 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1511 return err;
1512 set_tlv_db_scale(kctl, db_scale_5bit);
1513 ac97->spec.ad18xx.pcmreg[1] = init_val;
1514 }
1515 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1516 for (idx = 0; idx < 2; idx++)
1517 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1518 return err;
1519 set_tlv_db_scale(kctl, db_scale_5bit);
1520 for (idx = 0; idx < 2; idx++)
1521 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1522 return err;
1523 set_tlv_db_scale(kctl, db_scale_5bit);
1524 ac97->spec.ad18xx.pcmreg[2] = init_val;
1525 }
1526 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1527 } else {
1528 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1529 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1530 err = snd_ac97_cmute_new(card,
1531 "PCM Playback Switch",
1532 AC97_PCM, 0, ac97);
1533 else
1534 err = snd_ac97_cmix_new(card, "PCM Playback",
1535 AC97_PCM, 0, ac97);
1536 if (err < 0)
1537 return err;
1538 }
1539 }
1540
1541 /* build Capture controls */
1542 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1543 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1544 return err;
1545 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1546 err = snd_ac97_cmute_new(card, "Capture Switch",
1547 AC97_REC_GAIN, 0, ac97);
1548 if (err < 0)
1549 return err;
1550 }
1551 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1552 return err;
1553 set_tlv_db_scale(kctl, db_scale_rec_gain);
1554 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1555 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1556 }
1557 /* build MIC Capture controls */
1558 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1559 for (idx = 0; idx < 2; idx++)
1560 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1561 return err;
1562 set_tlv_db_scale(kctl, db_scale_rec_gain);
1563 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1564 }
1565
1566 /* build PCM out path & mute control */
1567 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1568 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1569 return err;
1570 }
1571
1572 /* build Simulated Stereo Enhancement control */
1573 if (ac97->caps & AC97_BC_SIM_STEREO) {
1574 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1575 return err;
1576 }
1577
1578 /* build 3D Stereo Enhancement control */
1579 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1580 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1581 return err;
1582 }
1583
1584 /* build Loudness control */
1585 if (ac97->caps & AC97_BC_LOUDNESS) {
1586 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1587 return err;
1588 }
1589
1590 /* build Mono output select control */
1591 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1592 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1593 return err;
1594 }
1595
1596 /* build Mic select control */
1597 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1598 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1599 return err;
1600 }
1601
1602 /* build ADC/DAC loopback control */
1603 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1604 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1605 return err;
1606 }
1607
1608 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1609
1610 /* build 3D controls */
1611 if (ac97->build_ops->build_3d) {
1612 ac97->build_ops->build_3d(ac97);
1613 } else {
1614 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1615 unsigned short val;
1616 val = 0x0707;
1617 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1618 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1619 val = val == 0x0606;
1620 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1621 return err;
1622 if (val)
1623 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1624 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1625 return err;
1626 if (val)
1627 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1628 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1629 }
1630 }
1631
1632 /* build S/PDIF controls */
1633
1634 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1635 if (ac97->subsystem_vendor == 0x1043 &&
1636 ac97->subsystem_device == 0x810f)
1637 ac97->ext_id |= AC97_EI_SPDIF;
1638
1639 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1640 if (ac97->build_ops->build_spdif) {
1641 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1642 return err;
1643 } else {
1644 for (idx = 0; idx < 5; idx++)
1645 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1646 return err;
1647 if (ac97->build_ops->build_post_spdif) {
1648 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1649 return err;
1650 }
1651 /* set default PCM S/PDIF params */
1652 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1653 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1654 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1655 }
1656 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1657 }
1658
1659 /* build chip specific controls */
1660 if (ac97->build_ops->build_specific)
1661 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1662 return err;
1663
1664 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1665 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1666 if (! kctl)
1667 return -ENOMEM;
1668 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1669 set_inv_eapd(ac97, kctl);
1670 if ((err = snd_ctl_add(card, kctl)) < 0)
1671 return err;
1672 }
1673
1674 return 0;
1675 }
1676
1677 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1678 {
1679 int err, idx;
1680
1681 /*
1682 ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n",
1683 snd_ac97_read(ac97,AC97_GPIO_CFG));
1684 */
1685 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1686 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1687 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1688 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1689 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1690
1691 /* build modem switches */
1692 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1693 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1694 return err;
1695
1696 /* build chip specific controls */
1697 if (ac97->build_ops->build_specific)
1698 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1699 return err;
1700
1701 return 0;
1702 }
1703
1704 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1705 {
1706 unsigned short val;
1707 unsigned int tmp;
1708
1709 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1710 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1711 if (shadow_reg)
1712 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1713 val = snd_ac97_read(ac97, reg);
1714 return val == (tmp & 0xffff);
1715 }
1716
1717 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1718 {
1719 unsigned int result = 0;
1720 unsigned short saved;
1721
1722 if (ac97->bus->no_vra) {
1723 *r_result = SNDRV_PCM_RATE_48000;
1724 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1725 reg == AC97_PCM_FRONT_DAC_RATE)
1726 *r_result |= SNDRV_PCM_RATE_96000;
1727 return;
1728 }
1729
1730 saved = snd_ac97_read(ac97, reg);
1731 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1732 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1733 AC97_EA_DRA, 0);
1734 /* test a non-standard rate */
1735 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1736 result |= SNDRV_PCM_RATE_CONTINUOUS;
1737 /* let's try to obtain standard rates */
1738 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1739 result |= SNDRV_PCM_RATE_8000;
1740 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1741 result |= SNDRV_PCM_RATE_11025;
1742 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1743 result |= SNDRV_PCM_RATE_16000;
1744 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1745 result |= SNDRV_PCM_RATE_22050;
1746 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1747 result |= SNDRV_PCM_RATE_32000;
1748 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1749 result |= SNDRV_PCM_RATE_44100;
1750 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1751 result |= SNDRV_PCM_RATE_48000;
1752 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1753 reg == AC97_PCM_FRONT_DAC_RATE) {
1754 /* test standard double rates */
1755 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1756 AC97_EA_DRA, AC97_EA_DRA);
1757 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1758 result |= SNDRV_PCM_RATE_64000;
1759 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1760 result |= SNDRV_PCM_RATE_88200;
1761 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1762 result |= SNDRV_PCM_RATE_96000;
1763 /* some codecs don't support variable double rates */
1764 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1765 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1766 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1767 AC97_EA_DRA, 0);
1768 }
1769 /* restore the default value */
1770 snd_ac97_write_cache(ac97, reg, saved);
1771 if (shadow_reg)
1772 snd_ac97_write_cache(ac97, shadow_reg, saved);
1773 *r_result = result;
1774 }
1775
1776 /* check AC97_SPDIF register to accept which sample rates */
1777 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1778 {
1779 unsigned int result = 0;
1780 int i;
1781 static unsigned short ctl_bits[] = {
1782 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1783 };
1784 static unsigned int rate_bits[] = {
1785 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1786 };
1787
1788 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1789 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1790 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1791 result |= rate_bits[i];
1792 }
1793 return result;
1794 }
1795
1796 /* look for the codec id table matching with the given id */
1797 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1798 unsigned int id)
1799 {
1800 const struct ac97_codec_id *pid;
1801
1802 for (pid = table; pid->id; pid++)
1803 if (pid->id == (id & pid->mask))
1804 return pid;
1805 return NULL;
1806 }
1807
1808 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1809 {
1810 const struct ac97_codec_id *pid;
1811
1812 sprintf(name, "0x%x %c%c%c", id,
1813 printable(id >> 24),
1814 printable(id >> 16),
1815 printable(id >> 8));
1816 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1817 if (! pid)
1818 return;
1819
1820 strcpy(name, pid->name);
1821 if (ac97 && pid->patch) {
1822 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1823 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1824 pid->patch(ac97);
1825 }
1826
1827 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1828 if (pid) {
1829 strcat(name, " ");
1830 strcat(name, pid->name);
1831 if (pid->mask != 0xffffffff)
1832 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1833 if (ac97 && pid->patch) {
1834 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1835 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1836 pid->patch(ac97);
1837 }
1838 } else
1839 sprintf(name + strlen(name), " id %x", id & 0xff);
1840 }
1841
1842 /**
1843 * snd_ac97_get_short_name - retrieve codec name
1844 * @ac97: the codec instance
1845 *
1846 * Return: The short identifying name of the codec.
1847 */
1848 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1849 {
1850 const struct ac97_codec_id *pid;
1851
1852 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1853 if (pid->id == (ac97->id & pid->mask))
1854 return pid->name;
1855 return "unknown codec";
1856 }
1857
1858 EXPORT_SYMBOL(snd_ac97_get_short_name);
1859
1860 /* wait for a while until registers are accessible after RESET
1861 * return 0 if ok, negative not ready
1862 */
1863 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1864 {
1865 unsigned long end_time;
1866 unsigned short val;
1867
1868 end_time = jiffies + timeout;
1869 do {
1870
1871 /* use preliminary reads to settle the communication */
1872 snd_ac97_read(ac97, AC97_RESET);
1873 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1874 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1875 /* modem? */
1876 if (with_modem) {
1877 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1878 if (val != 0xffff && (val & 1) != 0)
1879 return 0;
1880 }
1881 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1882 /* probably only Xbox issue - all registers are read as zero */
1883 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1884 if (val != 0 && val != 0xffff)
1885 return 0;
1886 } else {
1887 /* because the PCM or MASTER volume registers can be modified,
1888 * the REC_GAIN register is used for tests
1889 */
1890 /* test if we can write to the record gain volume register */
1891 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1892 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1893 return 0;
1894 }
1895 schedule_timeout_uninterruptible(1);
1896 } while (time_after_eq(end_time, jiffies));
1897 return -ENODEV;
1898 }
1899
1900 /**
1901 * snd_ac97_bus - create an AC97 bus component
1902 * @card: the card instance
1903 * @num: the bus number
1904 * @ops: the bus callbacks table
1905 * @private_data: private data pointer for the new instance
1906 * @rbus: the pointer to store the new AC97 bus instance.
1907 *
1908 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1909 * allocated and initialized.
1910 *
1911 * The ops table must include valid callbacks (at least read and
1912 * write). The other callbacks, wait and reset, are not mandatory.
1913 *
1914 * The clock is set to 48000. If another clock is needed, set
1915 * (*rbus)->clock manually.
1916 *
1917 * The AC97 bus instance is registered as a low-level device, so you don't
1918 * have to release it manually.
1919 *
1920 * Return: Zero if successful, or a negative error code on failure.
1921 */
1922 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1923 void *private_data, struct snd_ac97_bus **rbus)
1924 {
1925 int err;
1926 struct snd_ac97_bus *bus;
1927 static struct snd_device_ops dev_ops = {
1928 .dev_free = snd_ac97_bus_dev_free,
1929 };
1930
1931 if (snd_BUG_ON(!card))
1932 return -EINVAL;
1933 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1934 if (bus == NULL)
1935 return -ENOMEM;
1936 bus->card = card;
1937 bus->num = num;
1938 bus->ops = ops;
1939 bus->private_data = private_data;
1940 bus->clock = 48000;
1941 spin_lock_init(&bus->bus_lock);
1942 snd_ac97_bus_proc_init(bus);
1943 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1944 snd_ac97_bus_free(bus);
1945 return err;
1946 }
1947 if (rbus)
1948 *rbus = bus;
1949 return 0;
1950 }
1951
1952 EXPORT_SYMBOL(snd_ac97_bus);
1953
1954 /* stop no dev release warning */
1955 static void ac97_device_release(struct device * dev)
1956 {
1957 }
1958
1959 /* register ac97 codec to bus */
1960 static int snd_ac97_dev_register(struct snd_device *device)
1961 {
1962 struct snd_ac97 *ac97 = device->device_data;
1963 int err;
1964
1965 ac97->dev.bus = &ac97_bus_type;
1966 ac97->dev.parent = ac97->bus->card->dev;
1967 ac97->dev.release = ac97_device_release;
1968 dev_set_name(&ac97->dev, "%d-%d:%s",
1969 ac97->bus->card->number, ac97->num,
1970 snd_ac97_get_short_name(ac97));
1971 if ((err = device_register(&ac97->dev)) < 0) {
1972 ac97_err(ac97, "Can't register ac97 bus\n");
1973 ac97->dev.bus = NULL;
1974 return err;
1975 }
1976 return 0;
1977 }
1978
1979 /* disconnect ac97 codec */
1980 static int snd_ac97_dev_disconnect(struct snd_device *device)
1981 {
1982 struct snd_ac97 *ac97 = device->device_data;
1983 if (ac97->dev.bus)
1984 device_unregister(&ac97->dev);
1985 return 0;
1986 }
1987
1988 /* build_ops to do nothing */
1989 static const struct snd_ac97_build_ops null_build_ops;
1990
1991 #ifdef CONFIG_SND_AC97_POWER_SAVE
1992 static void do_update_power(struct work_struct *work)
1993 {
1994 update_power_regs(
1995 container_of(work, struct snd_ac97, power_work.work));
1996 }
1997 #endif
1998
1999 /**
2000 * snd_ac97_mixer - create an Codec97 component
2001 * @bus: the AC97 bus which codec is attached to
2002 * @template: the template of ac97, including index, callbacks and
2003 * the private data.
2004 * @rac97: the pointer to store the new ac97 instance.
2005 *
2006 * Creates an Codec97 component. An struct snd_ac97 instance is newly
2007 * allocated and initialized from the template. The codec
2008 * is then initialized by the standard procedure.
2009 *
2010 * The template must include the codec number (num) and address (addr),
2011 * and the private data (private_data).
2012 *
2013 * The ac97 instance is registered as a low-level device, so you don't
2014 * have to release it manually.
2015 *
2016 * Return: Zero if successful, or a negative error code on failure.
2017 */
2018 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
2019 {
2020 int err;
2021 struct snd_ac97 *ac97;
2022 struct snd_card *card;
2023 char name[64];
2024 unsigned long end_time;
2025 unsigned int reg;
2026 const struct ac97_codec_id *pid;
2027 static struct snd_device_ops ops = {
2028 .dev_free = snd_ac97_dev_free,
2029 .dev_register = snd_ac97_dev_register,
2030 .dev_disconnect = snd_ac97_dev_disconnect,
2031 };
2032
2033 if (rac97)
2034 *rac97 = NULL;
2035 if (snd_BUG_ON(!bus || !template))
2036 return -EINVAL;
2037 if (snd_BUG_ON(template->num >= 4))
2038 return -EINVAL;
2039 if (bus->codec[template->num])
2040 return -EBUSY;
2041
2042 card = bus->card;
2043 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
2044 if (ac97 == NULL)
2045 return -ENOMEM;
2046 ac97->private_data = template->private_data;
2047 ac97->private_free = template->private_free;
2048 ac97->bus = bus;
2049 ac97->pci = template->pci;
2050 ac97->num = template->num;
2051 ac97->addr = template->addr;
2052 ac97->scaps = template->scaps;
2053 ac97->res_table = template->res_table;
2054 bus->codec[ac97->num] = ac97;
2055 mutex_init(&ac97->reg_mutex);
2056 mutex_init(&ac97->page_mutex);
2057 #ifdef CONFIG_SND_AC97_POWER_SAVE
2058 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
2059 #endif
2060
2061 #ifdef CONFIG_PCI
2062 if (ac97->pci) {
2063 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2064 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2065 }
2066 #endif
2067 if (bus->ops->reset) {
2068 bus->ops->reset(ac97);
2069 goto __access_ok;
2070 }
2071
2072 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2073 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2074 if (ac97->id && ac97->id != (unsigned int)-1) {
2075 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2076 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2077 goto __access_ok;
2078 }
2079
2080 /* reset to defaults */
2081 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2082 snd_ac97_write(ac97, AC97_RESET, 0);
2083 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2084 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2085 if (bus->ops->wait)
2086 bus->ops->wait(ac97);
2087 else {
2088 udelay(50);
2089 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2090 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);
2091 else {
2092 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);
2093 if (err < 0)
2094 err = ac97_reset_wait(ac97,
2095 msecs_to_jiffies(500), 1);
2096 }
2097 if (err < 0) {
2098 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n",
2099 ac97->num);
2100 /* proceed anyway - it's often non-critical */
2101 }
2102 }
2103 __access_ok:
2104 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2105 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2106 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2107 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2108 ac97_err(ac97,
2109 "AC'97 %d access is not valid [0x%x], removing mixer.\n",
2110 ac97->num, ac97->id);
2111 snd_ac97_free(ac97);
2112 return -EIO;
2113 }
2114 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2115 if (pid)
2116 ac97->flags |= pid->flags;
2117
2118 /* test for AC'97 */
2119 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2120 /* test if we can write to the record gain volume register */
2121 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2122 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2123 ac97->scaps |= AC97_SCAP_AUDIO;
2124 }
2125 if (ac97->scaps & AC97_SCAP_AUDIO) {
2126 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2127 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2128 if (ac97->ext_id == 0xffff) /* invalid combination */
2129 ac97->ext_id = 0;
2130 }
2131
2132 /* test for MC'97 */
2133 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2134 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2135 if (ac97->ext_mid == 0xffff) /* invalid combination */
2136 ac97->ext_mid = 0;
2137 if (ac97->ext_mid & 1)
2138 ac97->scaps |= AC97_SCAP_MODEM;
2139 }
2140
2141 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2142 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2143 ac97_err(ac97,
2144 "AC'97 %d access error (not audio or modem codec)\n",
2145 ac97->num);
2146 snd_ac97_free(ac97);
2147 return -EACCES;
2148 }
2149
2150 if (bus->ops->reset) // FIXME: always skipping?
2151 goto __ready_ok;
2152
2153 /* FIXME: add powerdown control */
2154 if (ac97_is_audio(ac97)) {
2155 /* nothing should be in powerdown mode */
2156 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2157 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2158 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2159 udelay(100);
2160 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2161 }
2162 /* nothing should be in powerdown mode */
2163 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2164 end_time = jiffies + msecs_to_jiffies(5000);
2165 do {
2166 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2167 goto __ready_ok;
2168 schedule_timeout_uninterruptible(1);
2169 } while (time_after_eq(end_time, jiffies));
2170 ac97_warn(ac97,
2171 "AC'97 %d analog subsections not ready\n", ac97->num);
2172 }
2173
2174 /* FIXME: add powerdown control */
2175 if (ac97_is_modem(ac97)) {
2176 unsigned char tmp;
2177
2178 /* nothing should be in powerdown mode */
2179 /* note: it's important to set the rate at first */
2180 tmp = AC97_MEA_GPIO;
2181 if (ac97->ext_mid & AC97_MEI_LINE1) {
2182 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2183 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2184 }
2185 if (ac97->ext_mid & AC97_MEI_LINE2) {
2186 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2187 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2188 }
2189 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2190 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2191 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2192 }
2193 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2194 udelay(100);
2195 /* nothing should be in powerdown mode */
2196 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2197 end_time = jiffies + msecs_to_jiffies(100);
2198 do {
2199 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2200 goto __ready_ok;
2201 schedule_timeout_uninterruptible(1);
2202 } while (time_after_eq(end_time, jiffies));
2203 ac97_warn(ac97,
2204 "MC'97 %d converters and GPIO not ready (0x%x)\n",
2205 ac97->num,
2206 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2207 }
2208
2209 __ready_ok:
2210 if (ac97_is_audio(ac97))
2211 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2212 else
2213 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2214 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2215 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2216 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2217 if (! bus->no_vra)
2218 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2219 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2220 }
2221 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2222 /* Intel controllers require double rate data to be put in
2223 * slots 7+8, so let's hope the codec supports it. */
2224 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2225 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2226 ac97->flags |= AC97_DOUBLE_RATE;
2227 /* restore to slots 10/11 to avoid the confliction with surrounds */
2228 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2229 }
2230 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2231 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2232 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2233 } else {
2234 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2235 if (ac97->flags & AC97_DOUBLE_RATE)
2236 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2237 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2238 }
2239 if (ac97->ext_id & AC97_EI_SPDIF) {
2240 /* codec specific code (patch) should override these values */
2241 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2242 }
2243 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2244 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2245 } else {
2246 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2247 }
2248 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2249 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2250 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2251 }
2252 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2253 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2254 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2255 }
2256 /* additional initializations */
2257 if (bus->ops->init)
2258 bus->ops->init(ac97);
2259 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2260 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2261 if (! ac97->build_ops)
2262 ac97->build_ops = &null_build_ops;
2263
2264 if (ac97_is_audio(ac97)) {
2265 char comp[16];
2266 if (card->mixername[0] == '\0') {
2267 strcpy(card->mixername, name);
2268 } else {
2269 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2270 strcat(card->mixername, ",");
2271 strcat(card->mixername, name);
2272 }
2273 }
2274 sprintf(comp, "AC97a:%08x", ac97->id);
2275 if ((err = snd_component_add(card, comp)) < 0) {
2276 snd_ac97_free(ac97);
2277 return err;
2278 }
2279 if (snd_ac97_mixer_build(ac97) < 0) {
2280 snd_ac97_free(ac97);
2281 return -ENOMEM;
2282 }
2283 }
2284 if (ac97_is_modem(ac97)) {
2285 char comp[16];
2286 if (card->mixername[0] == '\0') {
2287 strcpy(card->mixername, name);
2288 } else {
2289 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2290 strcat(card->mixername, ",");
2291 strcat(card->mixername, name);
2292 }
2293 }
2294 sprintf(comp, "AC97m:%08x", ac97->id);
2295 if ((err = snd_component_add(card, comp)) < 0) {
2296 snd_ac97_free(ac97);
2297 return err;
2298 }
2299 if (snd_ac97_modem_build(card, ac97) < 0) {
2300 snd_ac97_free(ac97);
2301 return -ENOMEM;
2302 }
2303 }
2304 if (ac97_is_audio(ac97))
2305 update_power_regs(ac97);
2306 snd_ac97_proc_init(ac97);
2307 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2308 snd_ac97_free(ac97);
2309 return err;
2310 }
2311 *rac97 = ac97;
2312 return 0;
2313 }
2314
2315 EXPORT_SYMBOL(snd_ac97_mixer);
2316
2317 /*
2318 * Power down the chip.
2319 *
2320 * MASTER and HEADPHONE registers are muted but the register cache values
2321 * are not changed, so that the values can be restored in snd_ac97_resume().
2322 */
2323 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2324 {
2325 unsigned short power;
2326
2327 if (ac97_is_audio(ac97)) {
2328 /* some codecs have stereo mute bits */
2329 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2330 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2331 }
2332
2333 /* surround, CLFE, mic powerdown */
2334 power = ac97->regs[AC97_EXTENDED_STATUS];
2335 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2336 power |= AC97_EA_PRJ;
2337 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2338 power |= AC97_EA_PRI | AC97_EA_PRK;
2339 power |= AC97_EA_PRL;
2340 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2341
2342 /* powerdown external amplifier */
2343 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2344 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2345 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2346 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2347 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2348 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
2349 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2350 udelay(100);
2351 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */
2352 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2353 if (ac97_is_power_save_mode(ac97)) {
2354 power |= AC97_PD_PR3; /* Analog Mixer powerdown */
2355 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2356 udelay(100);
2357 /* AC-link powerdown, internal Clk disable */
2358 /* FIXME: this may cause click noises on some boards */
2359 power |= AC97_PD_PR4 | AC97_PD_PR5;
2360 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2361 }
2362 }
2363
2364
2365 struct ac97_power_reg {
2366 unsigned short reg;
2367 unsigned short power_reg;
2368 unsigned short mask;
2369 };
2370
2371 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2372
2373 static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2374 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2375 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2376 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2377 AC97_EA_PRI | AC97_EA_PRK},
2378 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2379 AC97_EA_PRJ},
2380 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2381 AC97_EA_PRL},
2382 };
2383
2384 #ifdef CONFIG_SND_AC97_POWER_SAVE
2385 /**
2386 * snd_ac97_update_power - update the powerdown register
2387 * @ac97: the codec instance
2388 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2389 * @powerup: non-zero when power up the part
2390 *
2391 * Update the AC97 powerdown register bits of the given part.
2392 *
2393 * Return: Zero.
2394 */
2395 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2396 {
2397 int i;
2398
2399 if (! ac97)
2400 return 0;
2401
2402 if (reg) {
2403 /* SPDIF requires DAC power, too */
2404 if (reg == AC97_SPDIF)
2405 reg = AC97_PCM_FRONT_DAC_RATE;
2406 for (i = 0; i < PWIDX_SIZE; i++) {
2407 if (power_regs[i].reg == reg) {
2408 if (powerup)
2409 ac97->power_up |= (1 << i);
2410 else
2411 ac97->power_up &= ~(1 << i);
2412 break;
2413 }
2414 }
2415 }
2416
2417 if (ac97_is_power_save_mode(ac97) && !powerup)
2418 /* adjust power-down bits after two seconds delay
2419 * (for avoiding loud click noises for many (OSS) apps
2420 * that open/close frequently)
2421 */
2422 schedule_delayed_work(&ac97->power_work,
2423 msecs_to_jiffies(power_save * 1000));
2424 else {
2425 cancel_delayed_work(&ac97->power_work);
2426 update_power_regs(ac97);
2427 }
2428
2429 return 0;
2430 }
2431
2432 EXPORT_SYMBOL(snd_ac97_update_power);
2433 #endif /* CONFIG_SND_AC97_POWER_SAVE */
2434
2435 static void update_power_regs(struct snd_ac97 *ac97)
2436 {
2437 unsigned int power_up, bits;
2438 int i;
2439
2440 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2441 power_up |= (1 << PWIDX_MIC);
2442 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2443 power_up |= (1 << PWIDX_SURR);
2444 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2445 power_up |= (1 << PWIDX_CLFE);
2446 #ifdef CONFIG_SND_AC97_POWER_SAVE
2447 if (ac97_is_power_save_mode(ac97))
2448 power_up = ac97->power_up;
2449 #endif
2450 if (power_up) {
2451 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2452 /* needs power-up analog mix and vref */
2453 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2454 AC97_PD_PR3, 0);
2455 msleep(1);
2456 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2457 AC97_PD_PR2, 0);
2458 }
2459 }
2460 for (i = 0; i < PWIDX_SIZE; i++) {
2461 if (power_up & (1 << i))
2462 bits = 0;
2463 else
2464 bits = power_regs[i].mask;
2465 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2466 power_regs[i].mask, bits);
2467 }
2468 if (! power_up) {
2469 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2470 /* power down analog mix and vref */
2471 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2472 AC97_PD_PR2, AC97_PD_PR2);
2473 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2474 AC97_PD_PR3, AC97_PD_PR3);
2475 }
2476 }
2477 }
2478
2479
2480 #ifdef CONFIG_PM
2481 /**
2482 * snd_ac97_suspend - General suspend function for AC97 codec
2483 * @ac97: the ac97 instance
2484 *
2485 * Suspends the codec, power down the chip.
2486 */
2487 void snd_ac97_suspend(struct snd_ac97 *ac97)
2488 {
2489 if (! ac97)
2490 return;
2491 if (ac97->build_ops->suspend)
2492 ac97->build_ops->suspend(ac97);
2493 #ifdef CONFIG_SND_AC97_POWER_SAVE
2494 cancel_delayed_work_sync(&ac97->power_work);
2495 #endif
2496 snd_ac97_powerdown(ac97);
2497 }
2498
2499 EXPORT_SYMBOL(snd_ac97_suspend);
2500
2501 /*
2502 * restore ac97 status
2503 */
2504 static void snd_ac97_restore_status(struct snd_ac97 *ac97)
2505 {
2506 int i;
2507
2508 for (i = 2; i < 0x7c ; i += 2) {
2509 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2510 continue;
2511 /* restore only accessible registers
2512 * some chip (e.g. nm256) may hang up when unsupported registers
2513 * are accessed..!
2514 */
2515 if (test_bit(i, ac97->reg_accessed)) {
2516 snd_ac97_write(ac97, i, ac97->regs[i]);
2517 snd_ac97_read(ac97, i);
2518 }
2519 }
2520 }
2521
2522 /*
2523 * restore IEC958 status
2524 */
2525 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2526 {
2527 if (ac97->ext_id & AC97_EI_SPDIF) {
2528 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2529 /* reset spdif status */
2530 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2531 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2532 if (ac97->flags & AC97_CS_SPDIF)
2533 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2534 else
2535 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2536 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2537 }
2538 }
2539 }
2540
2541 /**
2542 * snd_ac97_resume - General resume function for AC97 codec
2543 * @ac97: the ac97 instance
2544 *
2545 * Do the standard resume procedure, power up and restoring the
2546 * old register values.
2547 */
2548 void snd_ac97_resume(struct snd_ac97 *ac97)
2549 {
2550 unsigned long end_time;
2551
2552 if (! ac97)
2553 return;
2554
2555 if (ac97->bus->ops->reset) {
2556 ac97->bus->ops->reset(ac97);
2557 goto __reset_ready;
2558 }
2559
2560 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2561 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2562 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2563 snd_ac97_write(ac97, AC97_RESET, 0);
2564 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2565 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2566 udelay(100);
2567 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2568 }
2569 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2570
2571 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2572 if (ac97_is_audio(ac97)) {
2573 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2574 end_time = jiffies + msecs_to_jiffies(100);
2575 do {
2576 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2577 break;
2578 schedule_timeout_uninterruptible(1);
2579 } while (time_after_eq(end_time, jiffies));
2580 /* FIXME: extra delay */
2581 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO);
2582 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO)
2583 msleep(250);
2584 } else {
2585 end_time = jiffies + msecs_to_jiffies(100);
2586 do {
2587 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2588 if (val != 0xffff && (val & 1) != 0)
2589 break;
2590 schedule_timeout_uninterruptible(1);
2591 } while (time_after_eq(end_time, jiffies));
2592 }
2593 __reset_ready:
2594
2595 if (ac97->bus->ops->init)
2596 ac97->bus->ops->init(ac97);
2597
2598 if (ac97->build_ops->resume)
2599 ac97->build_ops->resume(ac97);
2600 else {
2601 snd_ac97_restore_status(ac97);
2602 snd_ac97_restore_iec958(ac97);
2603 }
2604 }
2605
2606 EXPORT_SYMBOL(snd_ac97_resume);
2607 #endif
2608
2609
2610 /*
2611 * Hardware tuning
2612 */
2613 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2614 {
2615 if (suffix)
2616 sprintf(dst, "%s %s", src, suffix);
2617 else
2618 strcpy(dst, src);
2619 }
2620
2621 /* remove the control with the given name and optional suffix */
2622 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
2623 const char *suffix)
2624 {
2625 struct snd_ctl_elem_id id;
2626 memset(&id, 0, sizeof(id));
2627 set_ctl_name(id.name, name, suffix);
2628 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2629 return snd_ctl_remove_id(ac97->bus->card, &id);
2630 }
2631
2632 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2633 {
2634 struct snd_ctl_elem_id sid;
2635 memset(&sid, 0, sizeof(sid));
2636 set_ctl_name(sid.name, name, suffix);
2637 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2638 return snd_ctl_find_id(ac97->bus->card, &sid);
2639 }
2640
2641 /* rename the control with the given name and optional suffix */
2642 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
2643 const char *dst, const char *suffix)
2644 {
2645 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2646 if (kctl) {
2647 set_ctl_name(kctl->id.name, dst, suffix);
2648 return 0;
2649 }
2650 return -ENOENT;
2651 }
2652
2653 /* rename both Volume and Switch controls - don't check the return value */
2654 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
2655 const char *dst)
2656 {
2657 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2658 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2659 }
2660
2661 /* swap controls */
2662 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
2663 const char *s2, const char *suffix)
2664 {
2665 struct snd_kcontrol *kctl1, *kctl2;
2666 kctl1 = ctl_find(ac97, s1, suffix);
2667 kctl2 = ctl_find(ac97, s2, suffix);
2668 if (kctl1 && kctl2) {
2669 set_ctl_name(kctl1->id.name, s2, suffix);
2670 set_ctl_name(kctl2->id.name, s1, suffix);
2671 return 0;
2672 }
2673 return -ENOENT;
2674 }
2675
2676 #if 1
2677 /* bind hp and master controls instead of using only hp control */
2678 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2679 {
2680 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2681 if (err > 0) {
2682 unsigned long priv_saved = kcontrol->private_value;
2683 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2684 snd_ac97_put_volsw(kcontrol, ucontrol);
2685 kcontrol->private_value = priv_saved;
2686 }
2687 return err;
2688 }
2689
2690 /* ac97 tune: bind Master and Headphone controls */
2691 static int tune_hp_only(struct snd_ac97 *ac97)
2692 {
2693 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2694 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2695 if (! msw || ! mvol)
2696 return -ENOENT;
2697 msw->put = bind_hp_volsw_put;
2698 mvol->put = bind_hp_volsw_put;
2699 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2700 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2701 return 0;
2702 }
2703
2704 #else
2705 /* ac97 tune: use Headphone control as master */
2706 static int tune_hp_only(struct snd_ac97 *ac97)
2707 {
2708 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2709 return -ENOENT;
2710 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2711 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2712 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2713 return 0;
2714 }
2715 #endif
2716
2717 /* ac97 tune: swap Headphone and Master controls */
2718 static int tune_swap_hp(struct snd_ac97 *ac97)
2719 {
2720 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2721 return -ENOENT;
2722 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2723 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2724 return 0;
2725 }
2726
2727 /* ac97 tune: swap Surround and Master controls */
2728 static int tune_swap_surround(struct snd_ac97 *ac97)
2729 {
2730 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2731 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2732 return -ENOENT;
2733 return 0;
2734 }
2735
2736 /* ac97 tune: set up mic sharing for AD codecs */
2737 static int tune_ad_sharing(struct snd_ac97 *ac97)
2738 {
2739 unsigned short scfg;
2740 if ((ac97->id & 0xffffff00) != 0x41445300) {
2741 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n");
2742 return -EINVAL;
2743 }
2744 /* Turn on OMS bit to route microphone to back panel */
2745 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2746 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2747 return 0;
2748 }
2749
2750 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2751 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2752
2753 /* ac97 tune: set up ALC jack-select */
2754 static int tune_alc_jack(struct snd_ac97 *ac97)
2755 {
2756 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2757 ac97_err(ac97,
2758 "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2759 return -EINVAL;
2760 }
2761 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2762 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2763 if (ac97->id == AC97_ID_ALC658D)
2764 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2765 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2766 }
2767
2768 /* ac97 tune: inversed EAPD bit */
2769 static int tune_inv_eapd(struct snd_ac97 *ac97)
2770 {
2771 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2772 if (! kctl)
2773 return -ENOENT;
2774 set_inv_eapd(ac97, kctl);
2775 return 0;
2776 }
2777
2778 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2779 {
2780 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2781 if (err > 0) {
2782 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2783 int shift = (kcontrol->private_value >> 8) & 0x0f;
2784 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2785 unsigned short mask;
2786 if (shift != rshift)
2787 mask = AC97_MUTE_MASK_STEREO;
2788 else
2789 mask = AC97_MUTE_MASK_MONO;
2790 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2791 (ac97->regs[AC97_MASTER] & mask) == mask ?
2792 AC97_PD_EAPD : 0);
2793 }
2794 return err;
2795 }
2796
2797 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2798 static int tune_mute_led(struct snd_ac97 *ac97)
2799 {
2800 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2801 if (! msw)
2802 return -ENOENT;
2803 msw->put = master_mute_sw_put;
2804 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2805 snd_ac97_update_bits(
2806 ac97, AC97_POWERDOWN,
2807 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2808 );
2809 ac97->scaps |= AC97_SCAP_EAPD_LED;
2810 return 0;
2811 }
2812
2813 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2814 struct snd_ctl_elem_value *ucontrol)
2815 {
2816 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2817 if (err > 0) {
2818 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2819 int shift = (kcontrol->private_value >> 8) & 0x0f;
2820 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2821 unsigned short mask;
2822 if (shift != rshift)
2823 mask = AC97_MUTE_MASK_STEREO;
2824 else
2825 mask = AC97_MUTE_MASK_MONO;
2826 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2827 (ac97->regs[AC97_MASTER] & mask) == mask ?
2828 AC97_PD_EAPD : 0);
2829 }
2830 return err;
2831 }
2832
2833 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2834 {
2835 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2836 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2837 if (! msw || ! mvol)
2838 return -ENOENT;
2839 msw->put = hp_master_mute_sw_put;
2840 mvol->put = bind_hp_volsw_put;
2841 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2842 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2843 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2844 snd_ac97_update_bits(
2845 ac97, AC97_POWERDOWN,
2846 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2847 );
2848 return 0;
2849 }
2850
2851 struct quirk_table {
2852 const char *name;
2853 int (*func)(struct snd_ac97 *);
2854 };
2855
2856 static struct quirk_table applicable_quirks[] = {
2857 { "none", NULL },
2858 { "hp_only", tune_hp_only },
2859 { "swap_hp", tune_swap_hp },
2860 { "swap_surround", tune_swap_surround },
2861 { "ad_sharing", tune_ad_sharing },
2862 { "alc_jack", tune_alc_jack },
2863 { "inv_eapd", tune_inv_eapd },
2864 { "mute_led", tune_mute_led },
2865 { "hp_mute_led", tune_hp_mute_led },
2866 };
2867
2868 /* apply the quirk with the given type */
2869 static int apply_quirk(struct snd_ac97 *ac97, int type)
2870 {
2871 if (type <= 0)
2872 return 0;
2873 else if (type >= ARRAY_SIZE(applicable_quirks))
2874 return -EINVAL;
2875 if (applicable_quirks[type].func)
2876 return applicable_quirks[type].func(ac97);
2877 return 0;
2878 }
2879
2880 /* apply the quirk with the given name */
2881 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2882 {
2883 int i;
2884 struct quirk_table *q;
2885
2886 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2887 q = &applicable_quirks[i];
2888 if (q->name && ! strcmp(typestr, q->name))
2889 return apply_quirk(ac97, i);
2890 }
2891 /* for compatibility, accept the numbers, too */
2892 if (*typestr >= '0' && *typestr <= '9')
2893 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2894 return -EINVAL;
2895 }
2896
2897 /**
2898 * snd_ac97_tune_hardware - tune up the hardware
2899 * @ac97: the ac97 instance
2900 * @quirk: quirk list
2901 * @override: explicit quirk value (overrides the list if non-NULL)
2902 *
2903 * Do some workaround for each pci device, such as renaming of the
2904 * headphone (true line-out) control as "Master".
2905 * The quirk-list must be terminated with a zero-filled entry.
2906 *
2907 * Return: Zero if successful, or a negative error code on failure.
2908 */
2909
2910 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2911 {
2912 int result;
2913
2914 /* quirk overriden? */
2915 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2916 result = apply_quirk_str(ac97, override);
2917 if (result < 0)
2918 ac97_err(ac97, "applying quirk type %s failed (%d)\n",
2919 override, result);
2920 return result;
2921 }
2922
2923 if (! quirk)
2924 return -EINVAL;
2925
2926 for (; quirk->subvendor; quirk++) {
2927 if (quirk->subvendor != ac97->subsystem_vendor)
2928 continue;
2929 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2930 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2931 if (quirk->codec_id && quirk->codec_id != ac97->id)
2932 continue;
2933 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n",
2934 quirk->name, ac97->subsystem_vendor,
2935 ac97->subsystem_device);
2936 result = apply_quirk(ac97, quirk->type);
2937 if (result < 0)
2938 ac97_err(ac97,
2939 "applying quirk type %d for %s failed (%d)\n",
2940 quirk->type, quirk->name, result);
2941 return result;
2942 }
2943 }
2944 return 0;
2945 }
2946
2947 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2948
2949 /*
2950 * INIT part
2951 */
2952
2953 static int __init alsa_ac97_init(void)
2954 {
2955 return 0;
2956 }
2957
2958 static void __exit alsa_ac97_exit(void)
2959 {
2960 }
2961
2962 module_init(alsa_ac97_init)
2963 module_exit(alsa_ac97_exit)
Linux with added FPC-III support