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