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aufs: update the donator
[zen-stable.git] / sound / pci / ac97 / ac97_codec.c
blob9473fca9681dd7e291595501a6270c47793aa3bc
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 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
179 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
180 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
181 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL },
182 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
183 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL },
184 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
185 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
186 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
187 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
188 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL},
189 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
190 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL },
191 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
192 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
193 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
194 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
195 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
196 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
197 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
198 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
199 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
200 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
201 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
202 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
203 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
204 { 0, 0, NULL, NULL, NULL }
205 };
206
207
208 static void update_power_regs(struct snd_ac97 *ac97);
209 #ifdef CONFIG_SND_AC97_POWER_SAVE
210 #define ac97_is_power_save_mode(ac97) \
211 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
212 #else
213 #define ac97_is_power_save_mode(ac97) 0
214 #endif
215
216
217 /*
218 * I/O routines
219 */
220
221 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
222 {
223 /* filter some registers for buggy codecs */
224 switch (ac97->id) {
225 case AC97_ID_ST_AC97_ID4:
226 if (reg == 0x08)
227 return 0;
228 /* fall through */
229 case AC97_ID_ST7597:
230 if (reg == 0x22 || reg == 0x7a)
231 return 1;
232 /* fall through */
233 case AC97_ID_AK4540:
234 case AC97_ID_AK4542:
235 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
236 return 1;
237 return 0;
238 case AC97_ID_AD1819: /* AD1819 */
239 case AC97_ID_AD1881: /* AD1881 */
240 case AC97_ID_AD1881A: /* AD1881A */
241 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
242 return 0;
243 return 1;
244 case AC97_ID_AD1885: /* AD1885 */
245 case AC97_ID_AD1886: /* AD1886 */
246 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
247 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
248 if (reg == 0x5a)
249 return 1;
250 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
251 return 0;
252 return 1;
253 case AC97_ID_STAC9700:
254 case AC97_ID_STAC9704:
255 case AC97_ID_STAC9705:
256 case AC97_ID_STAC9708:
257 case AC97_ID_STAC9721:
258 case AC97_ID_STAC9744:
259 case AC97_ID_STAC9756:
260 if (reg <= 0x3a || reg >= 0x5a)
261 return 1;
262 return 0;
263 }
264 return 1;
265 }
266
267 /**
268 * snd_ac97_write - write a value on the given register
269 * @ac97: the ac97 instance
270 * @reg: the register to change
271 * @value: the value to set
272 *
273 * Writes a value on the given register. This will invoke the write
274 * callback directly after the register check.
275 * This function doesn't change the register cache unlike
276 * #snd_ca97_write_cache(), so use this only when you don't want to
277 * reflect the change to the suspend/resume state.
278 */
279 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
280 {
281 if (!snd_ac97_valid_reg(ac97, reg))
282 return;
283 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
284 /* Fix H/W bug of ALC100/100P */
285 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
286 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
287 }
288 ac97->bus->ops->write(ac97, reg, value);
289 }
290
291 EXPORT_SYMBOL(snd_ac97_write);
292
293 /**
294 * snd_ac97_read - read a value from the given register
295 *
296 * @ac97: the ac97 instance
297 * @reg: the register to read
298 *
299 * Reads a value from the given register. This will invoke the read
300 * callback directly after the register check.
301 *
302 * Returns the read value.
303 */
304 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
305 {
306 if (!snd_ac97_valid_reg(ac97, reg))
307 return 0;
308 return ac97->bus->ops->read(ac97, reg);
309 }
310
311 /* read a register - return the cached value if already read */
312 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
313 {
314 if (! test_bit(reg, ac97->reg_accessed)) {
315 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
316 // set_bit(reg, ac97->reg_accessed);
317 }
318 return ac97->regs[reg];
319 }
320
321 EXPORT_SYMBOL(snd_ac97_read);
322
323 /**
324 * snd_ac97_write_cache - write a value on the given register and update the cache
325 * @ac97: the ac97 instance
326 * @reg: the register to change
327 * @value: the value to set
328 *
329 * Writes a value on the given register and updates the register
330 * cache. The cached values are used for the cached-read and the
331 * suspend/resume.
332 */
333 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
334 {
335 if (!snd_ac97_valid_reg(ac97, reg))
336 return;
337 mutex_lock(&ac97->reg_mutex);
338 ac97->regs[reg] = value;
339 ac97->bus->ops->write(ac97, reg, value);
340 set_bit(reg, ac97->reg_accessed);
341 mutex_unlock(&ac97->reg_mutex);
342 }
343
344 EXPORT_SYMBOL(snd_ac97_write_cache);
345
346 /**
347 * snd_ac97_update - update the value on the given register
348 * @ac97: the ac97 instance
349 * @reg: the register to change
350 * @value: the value to set
351 *
352 * Compares the value with the register cache and updates the value
353 * only when the value is changed.
354 *
355 * Returns 1 if the value is changed, 0 if no change, or a negative
356 * code on failure.
357 */
358 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
359 {
360 int change;
361
362 if (!snd_ac97_valid_reg(ac97, reg))
363 return -EINVAL;
364 mutex_lock(&ac97->reg_mutex);
365 change = ac97->regs[reg] != value;
366 if (change) {
367 ac97->regs[reg] = value;
368 ac97->bus->ops->write(ac97, reg, value);
369 }
370 set_bit(reg, ac97->reg_accessed);
371 mutex_unlock(&ac97->reg_mutex);
372 return change;
373 }
374
375 EXPORT_SYMBOL(snd_ac97_update);
376
377 /**
378 * snd_ac97_update_bits - update the bits on the given register
379 * @ac97: the ac97 instance
380 * @reg: the register to change
381 * @mask: the bit-mask to change
382 * @value: the value to set
383 *
384 * Updates the masked-bits on the given register only when the value
385 * is changed.
386 *
387 * Returns 1 if the bits are changed, 0 if no change, or a negative
388 * code on failure.
389 */
390 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
391 {
392 int change;
393
394 if (!snd_ac97_valid_reg(ac97, reg))
395 return -EINVAL;
396 mutex_lock(&ac97->reg_mutex);
397 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
398 mutex_unlock(&ac97->reg_mutex);
399 return change;
400 }
401
402 EXPORT_SYMBOL(snd_ac97_update_bits);
403
404 /* no lock version - see snd_ac97_update_bits() */
405 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
406 unsigned short mask, unsigned short value)
407 {
408 int change;
409 unsigned short old, new;
410
411 old = snd_ac97_read_cache(ac97, reg);
412 new = (old & ~mask) | (value & mask);
413 change = old != new;
414 if (change) {
415 ac97->regs[reg] = new;
416 ac97->bus->ops->write(ac97, reg, new);
417 }
418 set_bit(reg, ac97->reg_accessed);
419 return change;
420 }
421
422 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
423 {
424 int change;
425 unsigned short old, new, cfg;
426
427 mutex_lock(&ac97->page_mutex);
428 old = ac97->spec.ad18xx.pcmreg[codec];
429 new = (old & ~mask) | (value & mask);
430 change = old != new;
431 if (change) {
432 mutex_lock(&ac97->reg_mutex);
433 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
434 ac97->spec.ad18xx.pcmreg[codec] = new;
435 /* select single codec */
436 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
437 (cfg & ~0x7000) |
438 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
439 /* update PCM bits */
440 ac97->bus->ops->write(ac97, AC97_PCM, new);
441 /* select all codecs */
442 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
443 cfg | 0x7000);
444 mutex_unlock(&ac97->reg_mutex);
445 }
446 mutex_unlock(&ac97->page_mutex);
447 return change;
448 }
449
450 /*
451 * Controls
452 */
453
454 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
455 struct snd_ctl_elem_info *uinfo)
456 {
457 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
458
459 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
460 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
461 uinfo->value.enumerated.items = e->mask;
462
463 if (uinfo->value.enumerated.item > e->mask - 1)
464 uinfo->value.enumerated.item = e->mask - 1;
465 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
466 return 0;
467 }
468
469 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
470 struct snd_ctl_elem_value *ucontrol)
471 {
472 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
473 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
474 unsigned short val, bitmask;
475
476 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
477 ;
478 val = snd_ac97_read_cache(ac97, e->reg);
479 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
480 if (e->shift_l != e->shift_r)
481 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
482
483 return 0;
484 }
485
486 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
487 struct snd_ctl_elem_value *ucontrol)
488 {
489 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
490 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
491 unsigned short val;
492 unsigned short mask, bitmask;
493
494 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
495 ;
496 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
497 return -EINVAL;
498 val = ucontrol->value.enumerated.item[0] << e->shift_l;
499 mask = (bitmask - 1) << e->shift_l;
500 if (e->shift_l != e->shift_r) {
501 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
502 return -EINVAL;
503 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
504 mask |= (bitmask - 1) << e->shift_r;
505 }
506 return snd_ac97_update_bits(ac97, e->reg, mask, val);
507 }
508
509 /* save/restore ac97 v2.3 paging */
510 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
511 {
512 int page_save = -1;
513 if ((kcontrol->private_value & (1<<25)) &&
514 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
515 (reg >= 0x60 && reg < 0x70)) {
516 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
517 mutex_lock(&ac97->page_mutex); /* lock paging */
518 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
519 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
520 }
521 return page_save;
522 }
523
524 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
525 {
526 if (page_save >= 0) {
527 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
528 mutex_unlock(&ac97->page_mutex); /* unlock paging */
529 }
530 }
531
532 /* volume and switch controls */
533 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
534 struct snd_ctl_elem_info *uinfo)
535 {
536 int mask = (kcontrol->private_value >> 16) & 0xff;
537 int shift = (kcontrol->private_value >> 8) & 0x0f;
538 int rshift = (kcontrol->private_value >> 12) & 0x0f;
539
540 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
541 uinfo->count = shift == rshift ? 1 : 2;
542 uinfo->value.integer.min = 0;
543 uinfo->value.integer.max = mask;
544 return 0;
545 }
546
547 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
548 struct snd_ctl_elem_value *ucontrol)
549 {
550 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
551 int reg = kcontrol->private_value & 0xff;
552 int shift = (kcontrol->private_value >> 8) & 0x0f;
553 int rshift = (kcontrol->private_value >> 12) & 0x0f;
554 int mask = (kcontrol->private_value >> 16) & 0xff;
555 int invert = (kcontrol->private_value >> 24) & 0x01;
556 int page_save;
557
558 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
559 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
560 if (shift != rshift)
561 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
562 if (invert) {
563 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
564 if (shift != rshift)
565 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
566 }
567 snd_ac97_page_restore(ac97, page_save);
568 return 0;
569 }
570
571 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
572 struct snd_ctl_elem_value *ucontrol)
573 {
574 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
575 int reg = kcontrol->private_value & 0xff;
576 int shift = (kcontrol->private_value >> 8) & 0x0f;
577 int rshift = (kcontrol->private_value >> 12) & 0x0f;
578 int mask = (kcontrol->private_value >> 16) & 0xff;
579 int invert = (kcontrol->private_value >> 24) & 0x01;
580 int err, page_save;
581 unsigned short val, val2, val_mask;
582
583 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
584 val = (ucontrol->value.integer.value[0] & mask);
585 if (invert)
586 val = mask - val;
587 val_mask = mask << shift;
588 val = val << shift;
589 if (shift != rshift) {
590 val2 = (ucontrol->value.integer.value[1] & mask);
591 if (invert)
592 val2 = mask - val2;
593 val_mask |= mask << rshift;
594 val |= val2 << rshift;
595 }
596 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
597 snd_ac97_page_restore(ac97, page_save);
598 #ifdef CONFIG_SND_AC97_POWER_SAVE
599 /* check analog mixer power-down */
600 if ((val_mask & AC97_PD_EAPD) &&
601 (kcontrol->private_value & (1<<30))) {
602 if (val & AC97_PD_EAPD)
603 ac97->power_up &= ~(1 << (reg>>1));
604 else
605 ac97->power_up |= 1 << (reg>>1);
606 update_power_regs(ac97);
607 }
608 #endif
609 return err;
610 }
611
612 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
613 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
614 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
615 };
616
617 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
618 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
619 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
620 };
621
622 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
623 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
624 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1)
625 };
626
627 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
628 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
629
630
631 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
632 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
633 static const char* std_mix[] = {"Mix", "Mic"};
634 static const char* std_mic[] = {"Mic1", "Mic2"};
635
636 static const struct ac97_enum std_enum[] = {
637 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
638 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
639 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
640 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
641 };
642
643 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
644 AC97_ENUM("Capture Source", std_enum[0]);
645
646 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
647 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
648
649 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
650 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
651 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
652 };
653
654 enum {
655 AC97_GENERAL_PCM_OUT = 0,
656 AC97_GENERAL_STEREO_ENHANCEMENT,
657 AC97_GENERAL_3D,
658 AC97_GENERAL_LOUDNESS,
659 AC97_GENERAL_MONO,
660 AC97_GENERAL_MIC,
661 AC97_GENERAL_LOOPBACK
662 };
663
664 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
665 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
666 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
667 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
668 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
669 AC97_ENUM("Mono Output Select", std_enum[2]),
670 AC97_ENUM("Mic Select", std_enum[3]),
671 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
672 };
673
674 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
675 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
676 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
677 };
678
679 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
680 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
681 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
682 };
683
684 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
685 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
686 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
687 };
688
689 static const struct snd_kcontrol_new snd_ac97_control_eapd =
690 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
691
692 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
693 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
694 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
695 };
696
697 /* change the existing EAPD control as inverted */
698 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
699 {
700 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
701 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
702 ac97->scaps |= AC97_SCAP_INV_EAPD;
703 }
704
705 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
706 {
707 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
708 uinfo->count = 1;
709 return 0;
710 }
711
712 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
713 {
714 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
715 IEC958_AES0_NONAUDIO |
716 IEC958_AES0_CON_EMPHASIS_5015 |
717 IEC958_AES0_CON_NOT_COPYRIGHT;
718 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
719 IEC958_AES1_CON_ORIGINAL;
720 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
721 return 0;
722 }
723
724 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
725 {
726 /* FIXME: AC'97 spec doesn't say which bits are used for what */
727 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
728 IEC958_AES0_NONAUDIO |
729 IEC958_AES0_PRO_FS |
730 IEC958_AES0_PRO_EMPHASIS_5015;
731 return 0;
732 }
733
734 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
735 {
736 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
737
738 mutex_lock(&ac97->reg_mutex);
739 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
740 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
741 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
742 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
743 mutex_unlock(&ac97->reg_mutex);
744 return 0;
745 }
746
747 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
748 {
749 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
750 unsigned int new = 0;
751 unsigned short val = 0;
752 int change;
753
754 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
755 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
756 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
757 switch (new & IEC958_AES0_PRO_FS) {
758 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
759 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
760 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
761 default: val |= 1<<12; break;
762 }
763 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
764 val |= 1<<3;
765 } else {
766 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
767 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
768 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
769 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
770 val |= 1<<3;
771 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
772 val |= 1<<2;
773 val |= ((new >> 8) & 0xff) << 4; // category + original
774 switch ((new >> 24) & 0xff) {
775 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
776 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
777 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
778 default: val |= 1<<12; break;
779 }
780 }
781
782 mutex_lock(&ac97->reg_mutex);
783 change = ac97->spdif_status != new;
784 ac97->spdif_status = new;
785
786 if (ac97->flags & AC97_CS_SPDIF) {
787 int x = (val >> 12) & 0x03;
788 switch (x) {
789 case 0: x = 1; break; // 44.1
790 case 2: x = 0; break; // 48.0
791 default: x = 0; break; // illegal.
792 }
793 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
794 } else if (ac97->flags & AC97_CX_SPDIF) {
795 int v;
796 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
797 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
798 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
799 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
800 v);
801 } else if (ac97->id == AC97_ID_YMF743) {
802 change |= snd_ac97_update_bits_nolock(ac97,
803 AC97_YMF7X3_DIT_CTRL,
804 0xff38,
805 ((val << 4) & 0xff00) |
806 ((val << 2) & 0x0038));
807 } else {
808 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
809 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
810
811 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
812 if (extst & AC97_EA_SPDIF) {
813 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
814 }
815 }
816 mutex_unlock(&ac97->reg_mutex);
817
818 return change;
819 }
820
821 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
822 {
823 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
824 int reg = kcontrol->private_value & 0xff;
825 int shift = (kcontrol->private_value >> 8) & 0xff;
826 int mask = (kcontrol->private_value >> 16) & 0xff;
827 // int invert = (kcontrol->private_value >> 24) & 0xff;
828 unsigned short value, old, new;
829 int change;
830
831 value = (ucontrol->value.integer.value[0] & mask);
832
833 mutex_lock(&ac97->reg_mutex);
834 mask <<= shift;
835 value <<= shift;
836 old = snd_ac97_read_cache(ac97, reg);
837 new = (old & ~mask) | value;
838 change = old != new;
839
840 if (change) {
841 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
842 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
843 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
844 if (extst & AC97_EA_SPDIF)
845 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
846 }
847 mutex_unlock(&ac97->reg_mutex);
848 return change;
849 }
850
851 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
852 {
853 .access = SNDRV_CTL_ELEM_ACCESS_READ,
854 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
855 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
856 .info = snd_ac97_spdif_mask_info,
857 .get = snd_ac97_spdif_cmask_get,
858 },
859 {
860 .access = SNDRV_CTL_ELEM_ACCESS_READ,
861 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
862 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
863 .info = snd_ac97_spdif_mask_info,
864 .get = snd_ac97_spdif_pmask_get,
865 },
866 {
867 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
868 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
869 .info = snd_ac97_spdif_mask_info,
870 .get = snd_ac97_spdif_default_get,
871 .put = snd_ac97_spdif_default_put,
872 },
873
874 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
875 {
876 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
877 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
878 .info = snd_ac97_info_volsw,
879 .get = snd_ac97_get_volsw,
880 .put = snd_ac97_put_spsa,
881 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
882 },
883 };
884
885 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
886 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
887 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
888 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
889
890 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
891 {
892 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
893 int mask = (kcontrol->private_value >> 16) & 0x0f;
894 int lshift = (kcontrol->private_value >> 8) & 0x0f;
895 int rshift = (kcontrol->private_value >> 12) & 0x0f;
896
897 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
899 uinfo->count = 2;
900 else
901 uinfo->count = 1;
902 uinfo->value.integer.min = 0;
903 uinfo->value.integer.max = mask;
904 return 0;
905 }
906
907 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
908 {
909 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
910 int codec = kcontrol->private_value & 3;
911 int lshift = (kcontrol->private_value >> 8) & 0x0f;
912 int rshift = (kcontrol->private_value >> 12) & 0x0f;
913 int mask = (kcontrol->private_value >> 16) & 0xff;
914
915 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
916 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
917 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
918 return 0;
919 }
920
921 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
922 {
923 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
924 int codec = kcontrol->private_value & 3;
925 int lshift = (kcontrol->private_value >> 8) & 0x0f;
926 int rshift = (kcontrol->private_value >> 12) & 0x0f;
927 int mask = (kcontrol->private_value >> 16) & 0xff;
928 unsigned short val, valmask;
929
930 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
931 valmask = mask << lshift;
932 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
933 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
934 valmask |= mask << rshift;
935 }
936 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
937 }
938
939 #define AD18XX_PCM_VOLUME(xname, codec) \
940 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
941 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
942 .private_value = codec }
943
944 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
945 {
946 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
947 uinfo->count = 2;
948 uinfo->value.integer.min = 0;
949 uinfo->value.integer.max = 31;
950 return 0;
951 }
952
953 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
954 {
955 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
956 int codec = kcontrol->private_value & 3;
957
958 mutex_lock(&ac97->page_mutex);
959 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
960 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
961 mutex_unlock(&ac97->page_mutex);
962 return 0;
963 }
964
965 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
966 {
967 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
968 int codec = kcontrol->private_value & 3;
969 unsigned short val1, val2;
970
971 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
972 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
973 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
974 }
975
976 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
977 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
978 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
979 };
980
981 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
982 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
983 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
984 };
985
986 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
987 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
988 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
989 };
990
991 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
992 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
993 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
994 };
995
996 /*
997 *
998 */
999
1000 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
1001
1002 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
1003 {
1004 if (bus) {
1005 snd_ac97_bus_proc_done(bus);
1006 kfree(bus->pcms);
1007 if (bus->private_free)
1008 bus->private_free(bus);
1009 kfree(bus);
1010 }
1011 return 0;
1012 }
1013
1014 static int snd_ac97_bus_dev_free(struct snd_device *device)
1015 {
1016 struct snd_ac97_bus *bus = device->device_data;
1017 return snd_ac97_bus_free(bus);
1018 }
1019
1020 static int snd_ac97_free(struct snd_ac97 *ac97)
1021 {
1022 if (ac97) {
1023 #ifdef CONFIG_SND_AC97_POWER_SAVE
1024 cancel_delayed_work_sync(&ac97->power_work);
1025 #endif
1026 snd_ac97_proc_done(ac97);
1027 if (ac97->bus)
1028 ac97->bus->codec[ac97->num] = NULL;
1029 if (ac97->private_free)
1030 ac97->private_free(ac97);
1031 kfree(ac97);
1032 }
1033 return 0;
1034 }
1035
1036 static int snd_ac97_dev_free(struct snd_device *device)
1037 {
1038 struct snd_ac97 *ac97 = device->device_data;
1039 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1040 return snd_ac97_free(ac97);
1041 }
1042
1043 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1044 {
1045 unsigned short val, mask = AC97_MUTE_MASK_MONO;
1046
1047 if (! snd_ac97_valid_reg(ac97, reg))
1048 return 0;
1049
1050 switch (reg) {
1051 case AC97_MASTER_TONE:
1052 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0;
1053 case AC97_HEADPHONE:
1054 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0;
1055 case AC97_REC_GAIN_MIC:
1056 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0;
1057 case AC97_3D_CONTROL:
1058 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) {
1059 val = snd_ac97_read(ac97, reg);
1060 /* if nonzero - fixed and we can't set it */
1061 return val == 0;
1062 }
1063 return 0;
1064 case AC97_CENTER_LFE_MASTER: /* center */
1065 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1066 return 0;
1067 break;
1068 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1069 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1070 return 0;
1071 reg = AC97_CENTER_LFE_MASTER;
1072 mask = 0x0080;
1073 break;
1074 case AC97_SURROUND_MASTER:
1075 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1076 return 0;
1077 break;
1078 }
1079
1080 val = snd_ac97_read(ac97, reg);
1081 if (!(val & mask)) {
1082 /* nothing seems to be here - mute flag is not set */
1083 /* try another test */
1084 snd_ac97_write_cache(ac97, reg, val | mask);
1085 val = snd_ac97_read(ac97, reg);
1086 val = snd_ac97_read(ac97, reg);
1087 if (!(val & mask))
1088 return 0; /* nothing here */
1089 }
1090 return 1; /* success, useable */
1091 }
1092
1093 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1094 {
1095 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1096 unsigned char max[3] = { 63, 31, 15 };
1097 int i;
1098
1099 /* first look up the static resolution table */
1100 if (ac97->res_table) {
1101 const struct snd_ac97_res_table *tbl;
1102 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1103 if (tbl->reg == reg) {
1104 *lo_max = tbl->bits & 0xff;
1105 *hi_max = (tbl->bits >> 8) & 0xff;
1106 return;
1107 }
1108 }
1109 }
1110
1111 *lo_max = *hi_max = 0;
1112 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1113 unsigned short val;
1114 snd_ac97_write(
1115 ac97, reg,
1116 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8)
1117 );
1118 /* Do the read twice due to buffers on some ac97 codecs.
1119 * e.g. The STAC9704 returns exactly what you wrote to the register
1120 * if you read it immediately. This causes the detect routine to fail.
1121 */
1122 val = snd_ac97_read(ac97, reg);
1123 val = snd_ac97_read(ac97, reg);
1124 if (! *lo_max && (val & 0x7f) == cbit[i])
1125 *lo_max = max[i];
1126 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1127 *hi_max = max[i];
1128 if (*lo_max && *hi_max)
1129 break;
1130 }
1131 }
1132
1133 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1134 {
1135 unsigned short mask, val, orig, res;
1136
1137 mask = 1 << bit;
1138 orig = snd_ac97_read(ac97, reg);
1139 val = orig ^ mask;
1140 snd_ac97_write(ac97, reg, val);
1141 res = snd_ac97_read(ac97, reg);
1142 snd_ac97_write_cache(ac97, reg, orig);
1143 return res == val;
1144 }
1145
1146 /* check the volume resolution of center/lfe */
1147 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1148 {
1149 unsigned short val, val1;
1150
1151 *max = 63;
1152 val = AC97_MUTE_MASK_STEREO | (0x20 << shift);
1153 snd_ac97_write(ac97, reg, val);
1154 val1 = snd_ac97_read(ac97, reg);
1155 if (val != val1) {
1156 *max = 31;
1157 }
1158 /* reset volume to zero */
1159 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO);
1160 }
1161
1162 static inline int printable(unsigned int x)
1163 {
1164 x &= 0xff;
1165 if (x < ' ' || x >= 0x71) {
1166 if (x <= 0x89)
1167 return x - 0x71 + 'A';
1168 return '?';
1169 }
1170 return x;
1171 }
1172
1173 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
1174 struct snd_ac97 * ac97)
1175 {
1176 struct snd_kcontrol_new template;
1177 memcpy(&template, _template, sizeof(template));
1178 template.index = ac97->num;
1179 return snd_ctl_new1(&template, ac97);
1180 }
1181
1182 /*
1183 * create mute switch(es) for normal stereo controls
1184 */
1185 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1186 int check_stereo, int check_amix,
1187 struct snd_ac97 *ac97)
1188 {
1189 struct snd_kcontrol *kctl;
1190 int err;
1191 unsigned short val, val1, mute_mask;
1192
1193 if (! snd_ac97_valid_reg(ac97, reg))
1194 return 0;
1195
1196 mute_mask = AC97_MUTE_MASK_MONO;
1197 val = snd_ac97_read(ac97, reg);
1198 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1199 /* check whether both mute bits work */
1200 val1 = val | AC97_MUTE_MASK_STEREO;
1201 snd_ac97_write(ac97, reg, val1);
1202 if (val1 == snd_ac97_read(ac97, reg))
1203 mute_mask = AC97_MUTE_MASK_STEREO;
1204 }
1205 if (mute_mask == AC97_MUTE_MASK_STEREO) {
1206 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1207 if (check_amix)
1208 tmp.private_value |= (1 << 30);
1209 tmp.index = ac97->num;
1210 kctl = snd_ctl_new1(&tmp, ac97);
1211 } else {
1212 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1213 if (check_amix)
1214 tmp.private_value |= (1 << 30);
1215 tmp.index = ac97->num;
1216 kctl = snd_ctl_new1(&tmp, ac97);
1217 }
1218 err = snd_ctl_add(card, kctl);
1219 if (err < 0)
1220 return err;
1221 /* mute as default */
1222 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1223 return 0;
1224 }
1225
1226 /*
1227 * set dB information
1228 */
1229 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1230 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1231 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1232 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1233 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1234
1235 static const unsigned int *find_db_scale(unsigned int maxval)
1236 {
1237 switch (maxval) {
1238 case 0x0f: return db_scale_4bit;
1239 case 0x1f: return db_scale_5bit;
1240 case 0x3f: return db_scale_6bit;
1241 }
1242 return NULL;
1243 }
1244
1245 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1246 {
1247 kctl->tlv.p = tlv;
1248 if (tlv)
1249 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1250 }
1251
1252 /*
1253 * create a volume for normal stereo/mono controls
1254 */
1255 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1256 unsigned int hi_max, struct snd_ac97 *ac97)
1257 {
1258 int err;
1259 struct snd_kcontrol *kctl;
1260
1261 if (! snd_ac97_valid_reg(ac97, reg))
1262 return 0;
1263 if (hi_max) {
1264 /* invert */
1265 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1266 tmp.index = ac97->num;
1267 kctl = snd_ctl_new1(&tmp, ac97);
1268 } else {
1269 /* invert */
1270 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1271 tmp.index = ac97->num;
1272 kctl = snd_ctl_new1(&tmp, ac97);
1273 }
1274 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1275 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1276 else
1277 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1278 err = snd_ctl_add(card, kctl);
1279 if (err < 0)
1280 return err;
1281 snd_ac97_write_cache(
1282 ac97, reg,
1283 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO)
1284 | lo_max | (hi_max << 8)
1285 );
1286 return 0;
1287 }
1288
1289 /*
1290 * create a mute-switch and a volume for normal stereo/mono controls
1291 */
1292 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1293 int reg, int check_stereo, int check_amix,
1294 struct snd_ac97 *ac97)
1295 {
1296 int err;
1297 char name[44];
1298 unsigned char lo_max, hi_max;
1299
1300 if (! snd_ac97_valid_reg(ac97, reg))
1301 return 0;
1302
1303 if (snd_ac97_try_bit(ac97, reg, 15)) {
1304 sprintf(name, "%s Switch", pfx);
1305 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1306 check_stereo, check_amix,
1307 ac97)) < 0)
1308 return err;
1309 }
1310 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1311 if (lo_max) {
1312 sprintf(name, "%s Volume", pfx);
1313 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1314 return err;
1315 }
1316 return 0;
1317 }
1318
1319 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1320 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1321 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1322 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1323
1324 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1325
1326 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1327 {
1328 struct snd_card *card = ac97->bus->card;
1329 struct snd_kcontrol *kctl;
1330 int err;
1331 unsigned int idx;
1332 unsigned char max;
1333
1334 /* build master controls */
1335 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1336 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1337 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1338 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1339 AC97_MASTER, 0, ac97);
1340 else
1341 err = snd_ac97_cmix_new(card, "Master Playback",
1342 AC97_MASTER, 0, ac97);
1343 if (err < 0)
1344 return err;
1345 }
1346
1347 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO;
1348
1349 /* build center controls */
1350 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1351 && !(ac97->flags & AC97_AD_MULTI)) {
1352 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1353 return err;
1354 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1355 return err;
1356 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1357 kctl->private_value &= ~(0xff << 16);
1358 kctl->private_value |= (int)max << 16;
1359 set_tlv_db_scale(kctl, find_db_scale(max));
1360 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1361 }
1362
1363 /* build LFE controls */
1364 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1365 && !(ac97->flags & AC97_AD_MULTI)) {
1366 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1367 return err;
1368 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1369 return err;
1370 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1371 kctl->private_value &= ~(0xff << 16);
1372 kctl->private_value |= (int)max << 16;
1373 set_tlv_db_scale(kctl, find_db_scale(max));
1374 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1375 }
1376
1377 /* build surround controls */
1378 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1379 && !(ac97->flags & AC97_AD_MULTI)) {
1380 /* Surround Master (0x38) is with stereo mutes */
1381 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1382 AC97_SURROUND_MASTER, 1, 0,
1383 ac97)) < 0)
1384 return err;
1385 }
1386
1387 /* build headphone controls */
1388 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1389 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1390 AC97_HEADPHONE, 0, ac97)) < 0)
1391 return err;
1392 }
1393
1394 /* build master mono controls */
1395 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1396 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1397 AC97_MASTER_MONO, 0, ac97)) < 0)
1398 return err;
1399 }
1400
1401 /* build master tone controls */
1402 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1403 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1404 for (idx = 0; idx < 2; idx++) {
1405 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1406 return err;
1407 if (ac97->id == AC97_ID_YMF743 ||
1408 ac97->id == AC97_ID_YMF753) {
1409 kctl->private_value &= ~(0xff << 16);
1410 kctl->private_value |= 7 << 16;
1411 }
1412 }
1413 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1414 }
1415 }
1416
1417 /* build Beep controls */
1418 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1419 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1420 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1421 for (idx = 0; idx < 2; idx++)
1422 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1423 return err;
1424 set_tlv_db_scale(kctl, db_scale_4bit);
1425 snd_ac97_write_cache(
1426 ac97,
1427 AC97_PC_BEEP,
1428 (snd_ac97_read(ac97, AC97_PC_BEEP)
1429 | AC97_MUTE_MASK_MONO | 0x001e)
1430 );
1431 }
1432
1433 /* build Phone controls */
1434 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1435 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1436 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1437 AC97_PHONE, 1, ac97)) < 0)
1438 return err;
1439 }
1440 }
1441
1442 /* build MIC controls */
1443 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1444 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1445 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1446 AC97_MIC, 1, ac97)) < 0)
1447 return err;
1448 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1449 return err;
1450 }
1451 }
1452
1453 /* build Line controls */
1454 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1455 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1456 AC97_LINE, 1, ac97)) < 0)
1457 return err;
1458 }
1459
1460 /* build CD controls */
1461 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1462 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1463 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1464 AC97_CD, 1, ac97)) < 0)
1465 return err;
1466 }
1467 }
1468
1469 /* build Video controls */
1470 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1471 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1472 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1473 AC97_VIDEO, 1, ac97)) < 0)
1474 return err;
1475 }
1476 }
1477
1478 /* build Aux controls */
1479 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1480 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1481 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1482 AC97_AUX, 1, ac97)) < 0)
1483 return err;
1484 }
1485 }
1486
1487 /* build PCM controls */
1488 if (ac97->flags & AC97_AD_MULTI) {
1489 unsigned short init_val;
1490 if (ac97->flags & AC97_STEREO_MUTES)
1491 init_val = 0x9f9f;
1492 else
1493 init_val = 0x9f1f;
1494 for (idx = 0; idx < 2; idx++)
1495 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1496 return err;
1497 set_tlv_db_scale(kctl, db_scale_5bit);
1498 ac97->spec.ad18xx.pcmreg[0] = init_val;
1499 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1500 for (idx = 0; idx < 2; idx++)
1501 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1502 return err;
1503 set_tlv_db_scale(kctl, db_scale_5bit);
1504 ac97->spec.ad18xx.pcmreg[1] = init_val;
1505 }
1506 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1507 for (idx = 0; idx < 2; idx++)
1508 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1509 return err;
1510 set_tlv_db_scale(kctl, db_scale_5bit);
1511 for (idx = 0; idx < 2; idx++)
1512 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1513 return err;
1514 set_tlv_db_scale(kctl, db_scale_5bit);
1515 ac97->spec.ad18xx.pcmreg[2] = init_val;
1516 }
1517 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1518 } else {
1519 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1520 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1521 err = snd_ac97_cmute_new(card,
1522 "PCM Playback Switch",
1523 AC97_PCM, 0, ac97);
1524 else
1525 err = snd_ac97_cmix_new(card, "PCM Playback",
1526 AC97_PCM, 0, ac97);
1527 if (err < 0)
1528 return err;
1529 }
1530 }
1531
1532 /* build Capture controls */
1533 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1534 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1535 return err;
1536 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1537 err = snd_ac97_cmute_new(card, "Capture Switch",
1538 AC97_REC_GAIN, 0, ac97);
1539 if (err < 0)
1540 return err;
1541 }
1542 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1543 return err;
1544 set_tlv_db_scale(kctl, db_scale_rec_gain);
1545 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1546 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1547 }
1548 /* build MIC Capture controls */
1549 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1550 for (idx = 0; idx < 2; idx++)
1551 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1552 return err;
1553 set_tlv_db_scale(kctl, db_scale_rec_gain);
1554 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1555 }
1556
1557 /* build PCM out path & mute control */
1558 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1559 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1560 return err;
1561 }
1562
1563 /* build Simulated Stereo Enhancement control */
1564 if (ac97->caps & AC97_BC_SIM_STEREO) {
1565 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1566 return err;
1567 }
1568
1569 /* build 3D Stereo Enhancement control */
1570 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1571 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1572 return err;
1573 }
1574
1575 /* build Loudness control */
1576 if (ac97->caps & AC97_BC_LOUDNESS) {
1577 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1578 return err;
1579 }
1580
1581 /* build Mono output select control */
1582 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1583 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1584 return err;
1585 }
1586
1587 /* build Mic select control */
1588 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1589 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1590 return err;
1591 }
1592
1593 /* build ADC/DAC loopback control */
1594 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1595 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1596 return err;
1597 }
1598
1599 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1600
1601 /* build 3D controls */
1602 if (ac97->build_ops->build_3d) {
1603 ac97->build_ops->build_3d(ac97);
1604 } else {
1605 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1606 unsigned short val;
1607 val = 0x0707;
1608 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1609 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1610 val = val == 0x0606;
1611 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1612 return err;
1613 if (val)
1614 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1615 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1616 return err;
1617 if (val)
1618 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1619 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1620 }
1621 }
1622
1623 /* build S/PDIF controls */
1624
1625 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1626 if (ac97->subsystem_vendor == 0x1043 &&
1627 ac97->subsystem_device == 0x810f)
1628 ac97->ext_id |= AC97_EI_SPDIF;
1629
1630 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1631 if (ac97->build_ops->build_spdif) {
1632 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1633 return err;
1634 } else {
1635 for (idx = 0; idx < 5; idx++)
1636 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1637 return err;
1638 if (ac97->build_ops->build_post_spdif) {
1639 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1640 return err;
1641 }
1642 /* set default PCM S/PDIF params */
1643 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1644 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1645 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1646 }
1647 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1648 }
1649
1650 /* build chip specific controls */
1651 if (ac97->build_ops->build_specific)
1652 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1653 return err;
1654
1655 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1656 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1657 if (! kctl)
1658 return -ENOMEM;
1659 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1660 set_inv_eapd(ac97, kctl);
1661 if ((err = snd_ctl_add(card, kctl)) < 0)
1662 return err;
1663 }
1664
1665 return 0;
1666 }
1667
1668 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1669 {
1670 int err, idx;
1671
1672 /*
1673 printk(KERN_DEBUG "AC97_GPIO_CFG = %x\n",
1674 snd_ac97_read(ac97,AC97_GPIO_CFG));
1675 */
1676 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1677 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1678 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1679 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1680 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1681
1682 /* build modem switches */
1683 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1684 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1685 return err;
1686
1687 /* build chip specific controls */
1688 if (ac97->build_ops->build_specific)
1689 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1690 return err;
1691
1692 return 0;
1693 }
1694
1695 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1696 {
1697 unsigned short val;
1698 unsigned int tmp;
1699
1700 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1701 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1702 if (shadow_reg)
1703 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1704 val = snd_ac97_read(ac97, reg);
1705 return val == (tmp & 0xffff);
1706 }
1707
1708 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1709 {
1710 unsigned int result = 0;
1711 unsigned short saved;
1712
1713 if (ac97->bus->no_vra) {
1714 *r_result = SNDRV_PCM_RATE_48000;
1715 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1716 reg == AC97_PCM_FRONT_DAC_RATE)
1717 *r_result |= SNDRV_PCM_RATE_96000;
1718 return;
1719 }
1720
1721 saved = snd_ac97_read(ac97, reg);
1722 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1723 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1724 AC97_EA_DRA, 0);
1725 /* test a non-standard rate */
1726 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1727 result |= SNDRV_PCM_RATE_CONTINUOUS;
1728 /* let's try to obtain standard rates */
1729 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1730 result |= SNDRV_PCM_RATE_8000;
1731 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1732 result |= SNDRV_PCM_RATE_11025;
1733 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1734 result |= SNDRV_PCM_RATE_16000;
1735 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1736 result |= SNDRV_PCM_RATE_22050;
1737 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1738 result |= SNDRV_PCM_RATE_32000;
1739 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1740 result |= SNDRV_PCM_RATE_44100;
1741 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1742 result |= SNDRV_PCM_RATE_48000;
1743 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1744 reg == AC97_PCM_FRONT_DAC_RATE) {
1745 /* test standard double rates */
1746 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1747 AC97_EA_DRA, AC97_EA_DRA);
1748 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1749 result |= SNDRV_PCM_RATE_64000;
1750 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1751 result |= SNDRV_PCM_RATE_88200;
1752 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1753 result |= SNDRV_PCM_RATE_96000;
1754 /* some codecs don't support variable double rates */
1755 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1756 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1757 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1758 AC97_EA_DRA, 0);
1759 }
1760 /* restore the default value */
1761 snd_ac97_write_cache(ac97, reg, saved);
1762 if (shadow_reg)
1763 snd_ac97_write_cache(ac97, shadow_reg, saved);
1764 *r_result = result;
1765 }
1766
1767 /* check AC97_SPDIF register to accept which sample rates */
1768 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1769 {
1770 unsigned int result = 0;
1771 int i;
1772 static unsigned short ctl_bits[] = {
1773 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1774 };
1775 static unsigned int rate_bits[] = {
1776 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1777 };
1778
1779 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1780 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1781 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1782 result |= rate_bits[i];
1783 }
1784 return result;
1785 }
1786
1787 /* look for the codec id table matching with the given id */
1788 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1789 unsigned int id)
1790 {
1791 const struct ac97_codec_id *pid;
1792
1793 for (pid = table; pid->id; pid++)
1794 if (pid->id == (id & pid->mask))
1795 return pid;
1796 return NULL;
1797 }
1798
1799 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1800 {
1801 const struct ac97_codec_id *pid;
1802
1803 sprintf(name, "0x%x %c%c%c", id,
1804 printable(id >> 24),
1805 printable(id >> 16),
1806 printable(id >> 8));
1807 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1808 if (! pid)
1809 return;
1810
1811 strcpy(name, pid->name);
1812 if (ac97 && pid->patch) {
1813 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1814 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1815 pid->patch(ac97);
1816 }
1817
1818 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1819 if (pid) {
1820 strcat(name, " ");
1821 strcat(name, pid->name);
1822 if (pid->mask != 0xffffffff)
1823 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1824 if (ac97 && pid->patch) {
1825 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1826 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1827 pid->patch(ac97);
1828 }
1829 } else
1830 sprintf(name + strlen(name), " id %x", id & 0xff);
1831 }
1832
1833 /**
1834 * snd_ac97_get_short_name - retrieve codec name
1835 * @ac97: the codec instance
1836 *
1837 * Returns the short identifying name of the codec.
1838 */
1839 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1840 {
1841 const struct ac97_codec_id *pid;
1842
1843 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1844 if (pid->id == (ac97->id & pid->mask))
1845 return pid->name;
1846 return "unknown codec";
1847 }
1848
1849 EXPORT_SYMBOL(snd_ac97_get_short_name);
1850
1851 /* wait for a while until registers are accessible after RESET
1852 * return 0 if ok, negative not ready
1853 */
1854 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1855 {
1856 unsigned long end_time;
1857 unsigned short val;
1858
1859 end_time = jiffies + timeout;
1860 do {
1861
1862 /* use preliminary reads to settle the communication */
1863 snd_ac97_read(ac97, AC97_RESET);
1864 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1865 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1866 /* modem? */
1867 if (with_modem) {
1868 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1869 if (val != 0xffff && (val & 1) != 0)
1870 return 0;
1871 }
1872 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1873 /* probably only Xbox issue - all registers are read as zero */
1874 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1875 if (val != 0 && val != 0xffff)
1876 return 0;
1877 } else {
1878 /* because the PCM or MASTER volume registers can be modified,
1879 * the REC_GAIN register is used for tests
1880 */
1881 /* test if we can write to the record gain volume register */
1882 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1883 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1884 return 0;
1885 }
1886 schedule_timeout_uninterruptible(1);
1887 } while (time_after_eq(end_time, jiffies));
1888 return -ENODEV;
1889 }
1890
1891 /**
1892 * snd_ac97_bus - create an AC97 bus component
1893 * @card: the card instance
1894 * @num: the bus number
1895 * @ops: the bus callbacks table
1896 * @private_data: private data pointer for the new instance
1897 * @rbus: the pointer to store the new AC97 bus instance.
1898 *
1899 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1900 * allocated and initialized.
1901 *
1902 * The ops table must include valid callbacks (at least read and
1903 * write). The other callbacks, wait and reset, are not mandatory.
1904 *
1905 * The clock is set to 48000. If another clock is needed, set
1906 * (*rbus)->clock manually.
1907 *
1908 * The AC97 bus instance is registered as a low-level device, so you don't
1909 * have to release it manually.
1910 *
1911 * Returns zero if successful, or a negative error code on failure.
1912 */
1913 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1914 void *private_data, struct snd_ac97_bus **rbus)
1915 {
1916 int err;
1917 struct snd_ac97_bus *bus;
1918 static struct snd_device_ops dev_ops = {
1919 .dev_free = snd_ac97_bus_dev_free,
1920 };
1921
1922 if (snd_BUG_ON(!card))
1923 return -EINVAL;
1924 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1925 if (bus == NULL)
1926 return -ENOMEM;
1927 bus->card = card;
1928 bus->num = num;
1929 bus->ops = ops;
1930 bus->private_data = private_data;
1931 bus->clock = 48000;
1932 spin_lock_init(&bus->bus_lock);
1933 snd_ac97_bus_proc_init(bus);
1934 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1935 snd_ac97_bus_free(bus);
1936 return err;
1937 }
1938 if (rbus)
1939 *rbus = bus;
1940 return 0;
1941 }
1942
1943 EXPORT_SYMBOL(snd_ac97_bus);
1944
1945 /* stop no dev release warning */
1946 static void ac97_device_release(struct device * dev)
1947 {
1948 }
1949
1950 /* register ac97 codec to bus */
1951 static int snd_ac97_dev_register(struct snd_device *device)
1952 {
1953 struct snd_ac97 *ac97 = device->device_data;
1954 int err;
1955
1956 ac97->dev.bus = &ac97_bus_type;
1957 ac97->dev.parent = ac97->bus->card->dev;
1958 ac97->dev.release = ac97_device_release;
1959 dev_set_name(&ac97->dev, "%d-%d:%s",
1960 ac97->bus->card->number, ac97->num,
1961 snd_ac97_get_short_name(ac97));
1962 if ((err = device_register(&ac97->dev)) < 0) {
1963 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1964 ac97->dev.bus = NULL;
1965 return err;
1966 }
1967 return 0;
1968 }
1969
1970 /* disconnect ac97 codec */
1971 static int snd_ac97_dev_disconnect(struct snd_device *device)
1972 {
1973 struct snd_ac97 *ac97 = device->device_data;
1974 if (ac97->dev.bus)
1975 device_unregister(&ac97->dev);
1976 return 0;
1977 }
1978
1979 /* build_ops to do nothing */
1980 static const struct snd_ac97_build_ops null_build_ops;
1981
1982 #ifdef CONFIG_SND_AC97_POWER_SAVE
1983 static void do_update_power(struct work_struct *work)
1984 {
1985 update_power_regs(
1986 container_of(work, struct snd_ac97, power_work.work));
1987 }
1988 #endif
1989
1990 /**
1991 * snd_ac97_mixer - create an Codec97 component
1992 * @bus: the AC97 bus which codec is attached to
1993 * @template: the template of ac97, including index, callbacks and
1994 * the private data.
1995 * @rac97: the pointer to store the new ac97 instance.
1996 *
1997 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1998 * allocated and initialized from the template. The codec
1999 * is then initialized by the standard procedure.
2000 *
2001 * The template must include the codec number (num) and address (addr),
2002 * and the private data (private_data).
2003 *
2004 * The ac97 instance is registered as a low-level device, so you don't
2005 * have to release it manually.
2006 *
2007 * Returns zero if successful, or a negative error code on failure.
2008 */
2009 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
2010 {
2011 int err;
2012 struct snd_ac97 *ac97;
2013 struct snd_card *card;
2014 char name[64];
2015 unsigned long end_time;
2016 unsigned int reg;
2017 const struct ac97_codec_id *pid;
2018 static struct snd_device_ops ops = {
2019 .dev_free = snd_ac97_dev_free,
2020 .dev_register = snd_ac97_dev_register,
2021 .dev_disconnect = snd_ac97_dev_disconnect,
2022 };
2023
2024 if (rac97)
2025 *rac97 = NULL;
2026 if (snd_BUG_ON(!bus || !template))
2027 return -EINVAL;
2028 if (snd_BUG_ON(template->num >= 4))
2029 return -EINVAL;
2030 if (bus->codec[template->num])
2031 return -EBUSY;
2032
2033 card = bus->card;
2034 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
2035 if (ac97 == NULL)
2036 return -ENOMEM;
2037 ac97->private_data = template->private_data;
2038 ac97->private_free = template->private_free;
2039 ac97->bus = bus;
2040 ac97->pci = template->pci;
2041 ac97->num = template->num;
2042 ac97->addr = template->addr;
2043 ac97->scaps = template->scaps;
2044 ac97->res_table = template->res_table;
2045 bus->codec[ac97->num] = ac97;
2046 mutex_init(&ac97->reg_mutex);
2047 mutex_init(&ac97->page_mutex);
2048 #ifdef CONFIG_SND_AC97_POWER_SAVE
2049 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
2050 #endif
2051
2052 #ifdef CONFIG_PCI
2053 if (ac97->pci) {
2054 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2055 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2056 }
2057 #endif
2058 if (bus->ops->reset) {
2059 bus->ops->reset(ac97);
2060 goto __access_ok;
2061 }
2062
2063 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2064 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2065 if (ac97->id && ac97->id != (unsigned int)-1) {
2066 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2067 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2068 goto __access_ok;
2069 }
2070
2071 /* reset to defaults */
2072 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2073 snd_ac97_write(ac97, AC97_RESET, 0);
2074 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2075 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2076 if (bus->ops->wait)
2077 bus->ops->wait(ac97);
2078 else {
2079 udelay(50);
2080 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2081 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);
2082 else {
2083 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);
2084 if (err < 0)
2085 err = ac97_reset_wait(ac97,
2086 msecs_to_jiffies(500), 1);
2087 }
2088 if (err < 0) {
2089 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
2090 /* proceed anyway - it's often non-critical */
2091 }
2092 }
2093 __access_ok:
2094 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2095 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2096 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2097 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2098 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
2099 snd_ac97_free(ac97);
2100 return -EIO;
2101 }
2102 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2103 if (pid)
2104 ac97->flags |= pid->flags;
2105
2106 /* test for AC'97 */
2107 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2108 /* test if we can write to the record gain volume register */
2109 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2110 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2111 ac97->scaps |= AC97_SCAP_AUDIO;
2112 }
2113 if (ac97->scaps & AC97_SCAP_AUDIO) {
2114 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2115 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2116 if (ac97->ext_id == 0xffff) /* invalid combination */
2117 ac97->ext_id = 0;
2118 }
2119
2120 /* test for MC'97 */
2121 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2122 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2123 if (ac97->ext_mid == 0xffff) /* invalid combination */
2124 ac97->ext_mid = 0;
2125 if (ac97->ext_mid & 1)
2126 ac97->scaps |= AC97_SCAP_MODEM;
2127 }
2128
2129 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2130 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2131 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2132 snd_ac97_free(ac97);
2133 return -EACCES;
2134 }
2135
2136 if (bus->ops->reset) // FIXME: always skipping?
2137 goto __ready_ok;
2138
2139 /* FIXME: add powerdown control */
2140 if (ac97_is_audio(ac97)) {
2141 /* nothing should be in powerdown mode */
2142 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2143 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2144 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2145 udelay(100);
2146 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2147 }
2148 /* nothing should be in powerdown mode */
2149 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2150 end_time = jiffies + msecs_to_jiffies(5000);
2151 do {
2152 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2153 goto __ready_ok;
2154 schedule_timeout_uninterruptible(1);
2155 } while (time_after_eq(end_time, jiffies));
2156 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2157 }
2158
2159 /* FIXME: add powerdown control */
2160 if (ac97_is_modem(ac97)) {
2161 unsigned char tmp;
2162
2163 /* nothing should be in powerdown mode */
2164 /* note: it's important to set the rate at first */
2165 tmp = AC97_MEA_GPIO;
2166 if (ac97->ext_mid & AC97_MEI_LINE1) {
2167 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2168 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2169 }
2170 if (ac97->ext_mid & AC97_MEI_LINE2) {
2171 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2172 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2173 }
2174 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2175 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2176 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2177 }
2178 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2179 udelay(100);
2180 /* nothing should be in powerdown mode */
2181 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2182 end_time = jiffies + msecs_to_jiffies(100);
2183 do {
2184 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2185 goto __ready_ok;
2186 schedule_timeout_uninterruptible(1);
2187 } while (time_after_eq(end_time, jiffies));
2188 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2189 }
2190
2191 __ready_ok:
2192 if (ac97_is_audio(ac97))
2193 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2194 else
2195 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2196 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2197 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2198 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2199 if (! bus->no_vra)
2200 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2201 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2202 }
2203 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2204 /* Intel controllers require double rate data to be put in
2205 * slots 7+8, so let's hope the codec supports it. */
2206 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2207 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2208 ac97->flags |= AC97_DOUBLE_RATE;
2209 /* restore to slots 10/11 to avoid the confliction with surrounds */
2210 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2211 }
2212 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2213 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2214 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2215 } else {
2216 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2217 if (ac97->flags & AC97_DOUBLE_RATE)
2218 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2219 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2220 }
2221 if (ac97->ext_id & AC97_EI_SPDIF) {
2222 /* codec specific code (patch) should override these values */
2223 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2224 }
2225 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2226 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2227 } else {
2228 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2229 }
2230 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2231 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2232 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2233 }
2234 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2235 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2236 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2237 }
2238 /* additional initializations */
2239 if (bus->ops->init)
2240 bus->ops->init(ac97);
2241 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2242 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2243 if (! ac97->build_ops)
2244 ac97->build_ops = &null_build_ops;
2245
2246 if (ac97_is_audio(ac97)) {
2247 char comp[16];
2248 if (card->mixername[0] == '\0') {
2249 strcpy(card->mixername, name);
2250 } else {
2251 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2252 strcat(card->mixername, ",");
2253 strcat(card->mixername, name);
2254 }
2255 }
2256 sprintf(comp, "AC97a:%08x", ac97->id);
2257 if ((err = snd_component_add(card, comp)) < 0) {
2258 snd_ac97_free(ac97);
2259 return err;
2260 }
2261 if (snd_ac97_mixer_build(ac97) < 0) {
2262 snd_ac97_free(ac97);
2263 return -ENOMEM;
2264 }
2265 }
2266 if (ac97_is_modem(ac97)) {
2267 char comp[16];
2268 if (card->mixername[0] == '\0') {
2269 strcpy(card->mixername, name);
2270 } else {
2271 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2272 strcat(card->mixername, ",");
2273 strcat(card->mixername, name);
2274 }
2275 }
2276 sprintf(comp, "AC97m:%08x", ac97->id);
2277 if ((err = snd_component_add(card, comp)) < 0) {
2278 snd_ac97_free(ac97);
2279 return err;
2280 }
2281 if (snd_ac97_modem_build(card, ac97) < 0) {
2282 snd_ac97_free(ac97);
2283 return -ENOMEM;
2284 }
2285 }
2286 if (ac97_is_audio(ac97))
2287 update_power_regs(ac97);
2288 snd_ac97_proc_init(ac97);
2289 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2290 snd_ac97_free(ac97);
2291 return err;
2292 }
2293 *rac97 = ac97;
2294 return 0;
2295 }
2296
2297 EXPORT_SYMBOL(snd_ac97_mixer);
2298
2299 /*
2300 * Power down the chip.
2301 *
2302 * MASTER and HEADPHONE registers are muted but the register cache values
2303 * are not changed, so that the values can be restored in snd_ac97_resume().
2304 */
2305 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2306 {
2307 unsigned short power;
2308
2309 if (ac97_is_audio(ac97)) {
2310 /* some codecs have stereo mute bits */
2311 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2312 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2313 }
2314
2315 /* surround, CLFE, mic powerdown */
2316 power = ac97->regs[AC97_EXTENDED_STATUS];
2317 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2318 power |= AC97_EA_PRJ;
2319 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2320 power |= AC97_EA_PRI | AC97_EA_PRK;
2321 power |= AC97_EA_PRL;
2322 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2323
2324 /* powerdown external amplifier */
2325 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2326 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2327 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2328 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2329 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2330 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
2331 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2332 udelay(100);
2333 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */
2334 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2335 if (ac97_is_power_save_mode(ac97)) {
2336 power |= AC97_PD_PR3; /* Analog Mixer powerdown */
2337 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2338 udelay(100);
2339 /* AC-link powerdown, internal Clk disable */
2340 /* FIXME: this may cause click noises on some boards */
2341 power |= AC97_PD_PR4 | AC97_PD_PR5;
2342 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2343 }
2344 }
2345
2346
2347 struct ac97_power_reg {
2348 unsigned short reg;
2349 unsigned short power_reg;
2350 unsigned short mask;
2351 };
2352
2353 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2354
2355 static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2356 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2357 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2358 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2359 AC97_EA_PRI | AC97_EA_PRK},
2360 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2361 AC97_EA_PRJ},
2362 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2363 AC97_EA_PRL},
2364 };
2365
2366 #ifdef CONFIG_SND_AC97_POWER_SAVE
2367 /**
2368 * snd_ac97_update_power - update the powerdown register
2369 * @ac97: the codec instance
2370 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2371 * @powerup: non-zero when power up the part
2372 *
2373 * Update the AC97 powerdown register bits of the given part.
2374 */
2375 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2376 {
2377 int i;
2378
2379 if (! ac97)
2380 return 0;
2381
2382 if (reg) {
2383 /* SPDIF requires DAC power, too */
2384 if (reg == AC97_SPDIF)
2385 reg = AC97_PCM_FRONT_DAC_RATE;
2386 for (i = 0; i < PWIDX_SIZE; i++) {
2387 if (power_regs[i].reg == reg) {
2388 if (powerup)
2389 ac97->power_up |= (1 << i);
2390 else
2391 ac97->power_up &= ~(1 << i);
2392 break;
2393 }
2394 }
2395 }
2396
2397 if (ac97_is_power_save_mode(ac97) && !powerup)
2398 /* adjust power-down bits after two seconds delay
2399 * (for avoiding loud click noises for many (OSS) apps
2400 * that open/close frequently)
2401 */
2402 schedule_delayed_work(&ac97->power_work,
2403 msecs_to_jiffies(power_save * 1000));
2404 else {
2405 cancel_delayed_work(&ac97->power_work);
2406 update_power_regs(ac97);
2407 }
2408
2409 return 0;
2410 }
2411
2412 EXPORT_SYMBOL(snd_ac97_update_power);
2413 #endif /* CONFIG_SND_AC97_POWER_SAVE */
2414
2415 static void update_power_regs(struct snd_ac97 *ac97)
2416 {
2417 unsigned int power_up, bits;
2418 int i;
2419
2420 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2421 power_up |= (1 << PWIDX_MIC);
2422 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2423 power_up |= (1 << PWIDX_SURR);
2424 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2425 power_up |= (1 << PWIDX_CLFE);
2426 #ifdef CONFIG_SND_AC97_POWER_SAVE
2427 if (ac97_is_power_save_mode(ac97))
2428 power_up = ac97->power_up;
2429 #endif
2430 if (power_up) {
2431 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2432 /* needs power-up analog mix and vref */
2433 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2434 AC97_PD_PR3, 0);
2435 msleep(1);
2436 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2437 AC97_PD_PR2, 0);
2438 }
2439 }
2440 for (i = 0; i < PWIDX_SIZE; i++) {
2441 if (power_up & (1 << i))
2442 bits = 0;
2443 else
2444 bits = power_regs[i].mask;
2445 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2446 power_regs[i].mask, bits);
2447 }
2448 if (! power_up) {
2449 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2450 /* power down analog mix and vref */
2451 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2452 AC97_PD_PR2, AC97_PD_PR2);
2453 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2454 AC97_PD_PR3, AC97_PD_PR3);
2455 }
2456 }
2457 }
2458
2459
2460 #ifdef CONFIG_PM
2461 /**
2462 * snd_ac97_suspend - General suspend function for AC97 codec
2463 * @ac97: the ac97 instance
2464 *
2465 * Suspends the codec, power down the chip.
2466 */
2467 void snd_ac97_suspend(struct snd_ac97 *ac97)
2468 {
2469 if (! ac97)
2470 return;
2471 if (ac97->build_ops->suspend)
2472 ac97->build_ops->suspend(ac97);
2473 #ifdef CONFIG_SND_AC97_POWER_SAVE
2474 cancel_delayed_work_sync(&ac97->power_work);
2475 #endif
2476 snd_ac97_powerdown(ac97);
2477 }
2478
2479 EXPORT_SYMBOL(snd_ac97_suspend);
2480
2481 /*
2482 * restore ac97 status
2483 */
2484 static void snd_ac97_restore_status(struct snd_ac97 *ac97)
2485 {
2486 int i;
2487
2488 for (i = 2; i < 0x7c ; i += 2) {
2489 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2490 continue;
2491 /* restore only accessible registers
2492 * some chip (e.g. nm256) may hang up when unsupported registers
2493 * are accessed..!
2494 */
2495 if (test_bit(i, ac97->reg_accessed)) {
2496 snd_ac97_write(ac97, i, ac97->regs[i]);
2497 snd_ac97_read(ac97, i);
2498 }
2499 }
2500 }
2501
2502 /*
2503 * restore IEC958 status
2504 */
2505 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2506 {
2507 if (ac97->ext_id & AC97_EI_SPDIF) {
2508 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2509 /* reset spdif status */
2510 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2511 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2512 if (ac97->flags & AC97_CS_SPDIF)
2513 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2514 else
2515 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2516 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2517 }
2518 }
2519 }
2520
2521 /**
2522 * snd_ac97_resume - General resume function for AC97 codec
2523 * @ac97: the ac97 instance
2524 *
2525 * Do the standard resume procedure, power up and restoring the
2526 * old register values.
2527 */
2528 void snd_ac97_resume(struct snd_ac97 *ac97)
2529 {
2530 unsigned long end_time;
2531
2532 if (! ac97)
2533 return;
2534
2535 if (ac97->bus->ops->reset) {
2536 ac97->bus->ops->reset(ac97);
2537 goto __reset_ready;
2538 }
2539
2540 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2541 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2542 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2543 snd_ac97_write(ac97, AC97_RESET, 0);
2544 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2545 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2546 udelay(100);
2547 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2548 }
2549 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2550
2551 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2552 if (ac97_is_audio(ac97)) {
2553 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2554 end_time = jiffies + msecs_to_jiffies(100);
2555 do {
2556 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2557 break;
2558 schedule_timeout_uninterruptible(1);
2559 } while (time_after_eq(end_time, jiffies));
2560 /* FIXME: extra delay */
2561 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO);
2562 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO)
2563 msleep(250);
2564 } else {
2565 end_time = jiffies + msecs_to_jiffies(100);
2566 do {
2567 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2568 if (val != 0xffff && (val & 1) != 0)
2569 break;
2570 schedule_timeout_uninterruptible(1);
2571 } while (time_after_eq(end_time, jiffies));
2572 }
2573 __reset_ready:
2574
2575 if (ac97->bus->ops->init)
2576 ac97->bus->ops->init(ac97);
2577
2578 if (ac97->build_ops->resume)
2579 ac97->build_ops->resume(ac97);
2580 else {
2581 snd_ac97_restore_status(ac97);
2582 snd_ac97_restore_iec958(ac97);
2583 }
2584 }
2585
2586 EXPORT_SYMBOL(snd_ac97_resume);
2587 #endif
2588
2589
2590 /*
2591 * Hardware tuning
2592 */
2593 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2594 {
2595 if (suffix)
2596 sprintf(dst, "%s %s", src, suffix);
2597 else
2598 strcpy(dst, src);
2599 }
2600
2601 /* remove the control with the given name and optional suffix */
2602 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
2603 const char *suffix)
2604 {
2605 struct snd_ctl_elem_id id;
2606 memset(&id, 0, sizeof(id));
2607 set_ctl_name(id.name, name, suffix);
2608 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2609 return snd_ctl_remove_id(ac97->bus->card, &id);
2610 }
2611
2612 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2613 {
2614 struct snd_ctl_elem_id sid;
2615 memset(&sid, 0, sizeof(sid));
2616 set_ctl_name(sid.name, name, suffix);
2617 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2618 return snd_ctl_find_id(ac97->bus->card, &sid);
2619 }
2620
2621 /* rename the control with the given name and optional suffix */
2622 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
2623 const char *dst, const char *suffix)
2624 {
2625 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2626 if (kctl) {
2627 set_ctl_name(kctl->id.name, dst, suffix);
2628 return 0;
2629 }
2630 return -ENOENT;
2631 }
2632
2633 /* rename both Volume and Switch controls - don't check the return value */
2634 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
2635 const char *dst)
2636 {
2637 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2638 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2639 }
2640
2641 /* swap controls */
2642 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
2643 const char *s2, const char *suffix)
2644 {
2645 struct snd_kcontrol *kctl1, *kctl2;
2646 kctl1 = ctl_find(ac97, s1, suffix);
2647 kctl2 = ctl_find(ac97, s2, suffix);
2648 if (kctl1 && kctl2) {
2649 set_ctl_name(kctl1->id.name, s2, suffix);
2650 set_ctl_name(kctl2->id.name, s1, suffix);
2651 return 0;
2652 }
2653 return -ENOENT;
2654 }
2655
2656 #if 1
2657 /* bind hp and master controls instead of using only hp control */
2658 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2659 {
2660 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2661 if (err > 0) {
2662 unsigned long priv_saved = kcontrol->private_value;
2663 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2664 snd_ac97_put_volsw(kcontrol, ucontrol);
2665 kcontrol->private_value = priv_saved;
2666 }
2667 return err;
2668 }
2669
2670 /* ac97 tune: bind Master and Headphone controls */
2671 static int tune_hp_only(struct snd_ac97 *ac97)
2672 {
2673 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2674 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2675 if (! msw || ! mvol)
2676 return -ENOENT;
2677 msw->put = bind_hp_volsw_put;
2678 mvol->put = bind_hp_volsw_put;
2679 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2680 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2681 return 0;
2682 }
2683
2684 #else
2685 /* ac97 tune: use Headphone control as master */
2686 static int tune_hp_only(struct snd_ac97 *ac97)
2687 {
2688 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2689 return -ENOENT;
2690 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2691 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2692 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2693 return 0;
2694 }
2695 #endif
2696
2697 /* ac97 tune: swap Headphone and Master controls */
2698 static int tune_swap_hp(struct snd_ac97 *ac97)
2699 {
2700 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2701 return -ENOENT;
2702 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2703 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2704 return 0;
2705 }
2706
2707 /* ac97 tune: swap Surround and Master controls */
2708 static int tune_swap_surround(struct snd_ac97 *ac97)
2709 {
2710 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2711 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2712 return -ENOENT;
2713 return 0;
2714 }
2715
2716 /* ac97 tune: set up mic sharing for AD codecs */
2717 static int tune_ad_sharing(struct snd_ac97 *ac97)
2718 {
2719 unsigned short scfg;
2720 if ((ac97->id & 0xffffff00) != 0x41445300) {
2721 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2722 return -EINVAL;
2723 }
2724 /* Turn on OMS bit to route microphone to back panel */
2725 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2726 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2727 return 0;
2728 }
2729
2730 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2731 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2732
2733 /* ac97 tune: set up ALC jack-select */
2734 static int tune_alc_jack(struct snd_ac97 *ac97)
2735 {
2736 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2737 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2738 return -EINVAL;
2739 }
2740 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2741 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2742 if (ac97->id == AC97_ID_ALC658D)
2743 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2744 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2745 }
2746
2747 /* ac97 tune: inversed EAPD bit */
2748 static int tune_inv_eapd(struct snd_ac97 *ac97)
2749 {
2750 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2751 if (! kctl)
2752 return -ENOENT;
2753 set_inv_eapd(ac97, kctl);
2754 return 0;
2755 }
2756
2757 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2758 {
2759 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2760 if (err > 0) {
2761 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2762 int shift = (kcontrol->private_value >> 8) & 0x0f;
2763 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2764 unsigned short mask;
2765 if (shift != rshift)
2766 mask = AC97_MUTE_MASK_STEREO;
2767 else
2768 mask = AC97_MUTE_MASK_MONO;
2769 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2770 (ac97->regs[AC97_MASTER] & mask) == mask ?
2771 AC97_PD_EAPD : 0);
2772 }
2773 return err;
2774 }
2775
2776 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2777 static int tune_mute_led(struct snd_ac97 *ac97)
2778 {
2779 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2780 if (! msw)
2781 return -ENOENT;
2782 msw->put = master_mute_sw_put;
2783 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2784 snd_ac97_update_bits(
2785 ac97, AC97_POWERDOWN,
2786 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2787 );
2788 ac97->scaps |= AC97_SCAP_EAPD_LED;
2789 return 0;
2790 }
2791
2792 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2793 struct snd_ctl_elem_value *ucontrol)
2794 {
2795 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2796 if (err > 0) {
2797 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2798 int shift = (kcontrol->private_value >> 8) & 0x0f;
2799 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2800 unsigned short mask;
2801 if (shift != rshift)
2802 mask = AC97_MUTE_MASK_STEREO;
2803 else
2804 mask = AC97_MUTE_MASK_MONO;
2805 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2806 (ac97->regs[AC97_MASTER] & mask) == mask ?
2807 AC97_PD_EAPD : 0);
2808 }
2809 return err;
2810 }
2811
2812 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2813 {
2814 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2815 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2816 if (! msw || ! mvol)
2817 return -ENOENT;
2818 msw->put = hp_master_mute_sw_put;
2819 mvol->put = bind_hp_volsw_put;
2820 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2821 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2822 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2823 snd_ac97_update_bits(
2824 ac97, AC97_POWERDOWN,
2825 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2826 );
2827 return 0;
2828 }
2829
2830 struct quirk_table {
2831 const char *name;
2832 int (*func)(struct snd_ac97 *);
2833 };
2834
2835 static struct quirk_table applicable_quirks[] = {
2836 { "none", NULL },
2837 { "hp_only", tune_hp_only },
2838 { "swap_hp", tune_swap_hp },
2839 { "swap_surround", tune_swap_surround },
2840 { "ad_sharing", tune_ad_sharing },
2841 { "alc_jack", tune_alc_jack },
2842 { "inv_eapd", tune_inv_eapd },
2843 { "mute_led", tune_mute_led },
2844 { "hp_mute_led", tune_hp_mute_led },
2845 };
2846
2847 /* apply the quirk with the given type */
2848 static int apply_quirk(struct snd_ac97 *ac97, int type)
2849 {
2850 if (type <= 0)
2851 return 0;
2852 else if (type >= ARRAY_SIZE(applicable_quirks))
2853 return -EINVAL;
2854 if (applicable_quirks[type].func)
2855 return applicable_quirks[type].func(ac97);
2856 return 0;
2857 }
2858
2859 /* apply the quirk with the given name */
2860 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2861 {
2862 int i;
2863 struct quirk_table *q;
2864
2865 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2866 q = &applicable_quirks[i];
2867 if (q->name && ! strcmp(typestr, q->name))
2868 return apply_quirk(ac97, i);
2869 }
2870 /* for compatibility, accept the numbers, too */
2871 if (*typestr >= '0' && *typestr <= '9')
2872 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2873 return -EINVAL;
2874 }
2875
2876 /**
2877 * snd_ac97_tune_hardware - tune up the hardware
2878 * @ac97: the ac97 instance
2879 * @quirk: quirk list
2880 * @override: explicit quirk value (overrides the list if non-NULL)
2881 *
2882 * Do some workaround for each pci device, such as renaming of the
2883 * headphone (true line-out) control as "Master".
2884 * The quirk-list must be terminated with a zero-filled entry.
2885 *
2886 * Returns zero if successful, or a negative error code on failure.
2887 */
2888
2889 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2890 {
2891 int result;
2892
2893 /* quirk overriden? */
2894 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2895 result = apply_quirk_str(ac97, override);
2896 if (result < 0)
2897 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2898 return result;
2899 }
2900
2901 if (! quirk)
2902 return -EINVAL;
2903
2904 for (; quirk->subvendor; quirk++) {
2905 if (quirk->subvendor != ac97->subsystem_vendor)
2906 continue;
2907 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2908 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2909 if (quirk->codec_id && quirk->codec_id != ac97->id)
2910 continue;
2911 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2912 result = apply_quirk(ac97, quirk->type);
2913 if (result < 0)
2914 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2915 return result;
2916 }
2917 }
2918 return 0;
2919 }
2920
2921 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2922
2923 /*
2924 * INIT part
2925 */
2926
2927 static int __init alsa_ac97_init(void)
2928 {
2929 return 0;
2930 }
2931
2932 static void __exit alsa_ac97_exit(void)
2933 {
2934 }
2935
2936 module_init(alsa_ac97_init)
2937 module_exit(alsa_ac97_exit)