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Btrfs: Drop the hardware crc32c asm code
[linux-2.6/btrfs-unstable.git] / sound / pci / ac97 / ac97_codec.c
blobbd510eceff1ff413422c0c5d004440e7a2fd44af
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/moduleparam.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 int 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 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
75 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
76 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
77 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
78 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
79 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
80 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
81 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
82 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
83 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
84 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
85 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
86 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
87 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
88 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
89 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
90 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
91 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
92 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
93 { 0, 0, NULL, NULL, NULL }
94 };
95
96 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
97 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
98 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
99 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
100 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
101 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
102 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
103 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
104 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
105 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
106 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
107 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
108 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
109 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL },
110 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
111 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
112 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
113 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
114 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
115 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
116 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
117 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
118 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
119 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
120 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
121 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
122 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
123 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
124 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
125 { 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL },
126 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
127 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
128 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
129 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
130 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
131 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
132 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL },
133 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL },
134 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL },
135 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
136 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
137 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
138 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
139 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
140 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
141 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
142 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
143 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
144 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
145 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
146 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL },
147 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
148 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
149 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
150 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
151 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
152 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
153 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
154 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
155 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
156 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
157 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
158 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
159 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
160 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
161 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
162 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
163 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
164 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL },
165 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
166 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
167 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
168 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
169 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
170 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
171 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL },
172 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
173 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL },
174 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
175 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
176 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
177 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
178 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
179 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
180 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL },
181 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
182 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
183 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
184 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
185 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
186 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
187 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
188 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
189 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
190 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
191 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
192 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
193 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
194 { 0, 0, NULL, NULL, NULL }
195 };
196
197
198 static void update_power_regs(struct snd_ac97 *ac97);
199 #ifdef CONFIG_SND_AC97_POWER_SAVE
200 #define ac97_is_power_save_mode(ac97) \
201 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
202 #else
203 #define ac97_is_power_save_mode(ac97) 0
204 #endif
205
206
207 /*
208 * I/O routines
209 */
210
211 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
212 {
213 /* filter some registers for buggy codecs */
214 switch (ac97->id) {
215 case AC97_ID_AK4540:
216 case AC97_ID_AK4542:
217 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
218 return 1;
219 return 0;
220 case AC97_ID_AD1819: /* AD1819 */
221 case AC97_ID_AD1881: /* AD1881 */
222 case AC97_ID_AD1881A: /* AD1881A */
223 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
224 return 0;
225 return 1;
226 case AC97_ID_AD1885: /* AD1885 */
227 case AC97_ID_AD1886: /* AD1886 */
228 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
229 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
230 if (reg == 0x5a)
231 return 1;
232 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
233 return 0;
234 return 1;
235 case AC97_ID_STAC9700:
236 case AC97_ID_STAC9704:
237 case AC97_ID_STAC9705:
238 case AC97_ID_STAC9708:
239 case AC97_ID_STAC9721:
240 case AC97_ID_STAC9744:
241 case AC97_ID_STAC9756:
242 if (reg <= 0x3a || reg >= 0x5a)
243 return 1;
244 return 0;
245 }
246 return 1;
247 }
248
249 /**
250 * snd_ac97_write - write a value on the given register
251 * @ac97: the ac97 instance
252 * @reg: the register to change
253 * @value: the value to set
254 *
255 * Writes a value on the given register. This will invoke the write
256 * callback directly after the register check.
257 * This function doesn't change the register cache unlike
258 * #snd_ca97_write_cache(), so use this only when you don't want to
259 * reflect the change to the suspend/resume state.
260 */
261 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
262 {
263 if (!snd_ac97_valid_reg(ac97, reg))
264 return;
265 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
266 /* Fix H/W bug of ALC100/100P */
267 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
268 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
269 }
270 ac97->bus->ops->write(ac97, reg, value);
271 }
272
273 EXPORT_SYMBOL(snd_ac97_write);
274
275 /**
276 * snd_ac97_read - read a value from the given register
277 *
278 * @ac97: the ac97 instance
279 * @reg: the register to read
280 *
281 * Reads a value from the given register. This will invoke the read
282 * callback directly after the register check.
283 *
284 * Returns the read value.
285 */
286 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
287 {
288 if (!snd_ac97_valid_reg(ac97, reg))
289 return 0;
290 return ac97->bus->ops->read(ac97, reg);
291 }
292
293 /* read a register - return the cached value if already read */
294 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
295 {
296 if (! test_bit(reg, ac97->reg_accessed)) {
297 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
298 // set_bit(reg, ac97->reg_accessed);
299 }
300 return ac97->regs[reg];
301 }
302
303 EXPORT_SYMBOL(snd_ac97_read);
304
305 /**
306 * snd_ac97_write_cache - write a value on the given register and update the cache
307 * @ac97: the ac97 instance
308 * @reg: the register to change
309 * @value: the value to set
310 *
311 * Writes a value on the given register and updates the register
312 * cache. The cached values are used for the cached-read and the
313 * suspend/resume.
314 */
315 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
316 {
317 if (!snd_ac97_valid_reg(ac97, reg))
318 return;
319 mutex_lock(&ac97->reg_mutex);
320 ac97->regs[reg] = value;
321 ac97->bus->ops->write(ac97, reg, value);
322 set_bit(reg, ac97->reg_accessed);
323 mutex_unlock(&ac97->reg_mutex);
324 }
325
326 EXPORT_SYMBOL(snd_ac97_write_cache);
327
328 /**
329 * snd_ac97_update - update the value on the given register
330 * @ac97: the ac97 instance
331 * @reg: the register to change
332 * @value: the value to set
333 *
334 * Compares the value with the register cache and updates the value
335 * only when the value is changed.
336 *
337 * Returns 1 if the value is changed, 0 if no change, or a negative
338 * code on failure.
339 */
340 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
341 {
342 int change;
343
344 if (!snd_ac97_valid_reg(ac97, reg))
345 return -EINVAL;
346 mutex_lock(&ac97->reg_mutex);
347 change = ac97->regs[reg] != value;
348 if (change) {
349 ac97->regs[reg] = value;
350 ac97->bus->ops->write(ac97, reg, value);
351 }
352 set_bit(reg, ac97->reg_accessed);
353 mutex_unlock(&ac97->reg_mutex);
354 return change;
355 }
356
357 EXPORT_SYMBOL(snd_ac97_update);
358
359 /**
360 * snd_ac97_update_bits - update the bits on the given register
361 * @ac97: the ac97 instance
362 * @reg: the register to change
363 * @mask: the bit-mask to change
364 * @value: the value to set
365 *
366 * Updates the masked-bits on the given register only when the value
367 * is changed.
368 *
369 * Returns 1 if the bits are changed, 0 if no change, or a negative
370 * code on failure.
371 */
372 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
373 {
374 int change;
375
376 if (!snd_ac97_valid_reg(ac97, reg))
377 return -EINVAL;
378 mutex_lock(&ac97->reg_mutex);
379 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
380 mutex_unlock(&ac97->reg_mutex);
381 return change;
382 }
383
384 EXPORT_SYMBOL(snd_ac97_update_bits);
385
386 /* no lock version - see snd_ac97_updat_bits() */
387 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
388 unsigned short mask, unsigned short value)
389 {
390 int change;
391 unsigned short old, new;
392
393 old = snd_ac97_read_cache(ac97, reg);
394 new = (old & ~mask) | (value & mask);
395 change = old != new;
396 if (change) {
397 ac97->regs[reg] = new;
398 ac97->bus->ops->write(ac97, reg, new);
399 }
400 set_bit(reg, ac97->reg_accessed);
401 return change;
402 }
403
404 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
405 {
406 int change;
407 unsigned short old, new, cfg;
408
409 mutex_lock(&ac97->page_mutex);
410 old = ac97->spec.ad18xx.pcmreg[codec];
411 new = (old & ~mask) | (value & mask);
412 change = old != new;
413 if (change) {
414 mutex_lock(&ac97->reg_mutex);
415 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
416 ac97->spec.ad18xx.pcmreg[codec] = new;
417 /* select single codec */
418 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
419 (cfg & ~0x7000) |
420 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
421 /* update PCM bits */
422 ac97->bus->ops->write(ac97, AC97_PCM, new);
423 /* select all codecs */
424 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
425 cfg | 0x7000);
426 mutex_unlock(&ac97->reg_mutex);
427 }
428 mutex_unlock(&ac97->page_mutex);
429 return change;
430 }
431
432 /*
433 * Controls
434 */
435
436 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
437 struct snd_ctl_elem_info *uinfo)
438 {
439 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
440
441 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
442 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
443 uinfo->value.enumerated.items = e->mask;
444
445 if (uinfo->value.enumerated.item > e->mask - 1)
446 uinfo->value.enumerated.item = e->mask - 1;
447 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
448 return 0;
449 }
450
451 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
452 struct snd_ctl_elem_value *ucontrol)
453 {
454 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
455 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
456 unsigned short val, bitmask;
457
458 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
459 ;
460 val = snd_ac97_read_cache(ac97, e->reg);
461 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
462 if (e->shift_l != e->shift_r)
463 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
464
465 return 0;
466 }
467
468 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
469 struct snd_ctl_elem_value *ucontrol)
470 {
471 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
472 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
473 unsigned short val;
474 unsigned short mask, bitmask;
475
476 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
477 ;
478 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
479 return -EINVAL;
480 val = ucontrol->value.enumerated.item[0] << e->shift_l;
481 mask = (bitmask - 1) << e->shift_l;
482 if (e->shift_l != e->shift_r) {
483 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
484 return -EINVAL;
485 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
486 mask |= (bitmask - 1) << e->shift_r;
487 }
488 return snd_ac97_update_bits(ac97, e->reg, mask, val);
489 }
490
491 /* save/restore ac97 v2.3 paging */
492 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
493 {
494 int page_save = -1;
495 if ((kcontrol->private_value & (1<<25)) &&
496 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
497 (reg >= 0x60 && reg < 0x70)) {
498 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
499 mutex_lock(&ac97->page_mutex); /* lock paging */
500 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
501 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
502 }
503 return page_save;
504 }
505
506 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
507 {
508 if (page_save >= 0) {
509 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
510 mutex_unlock(&ac97->page_mutex); /* unlock paging */
511 }
512 }
513
514 /* volume and switch controls */
515 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
516 struct snd_ctl_elem_info *uinfo)
517 {
518 int mask = (kcontrol->private_value >> 16) & 0xff;
519 int shift = (kcontrol->private_value >> 8) & 0x0f;
520 int rshift = (kcontrol->private_value >> 12) & 0x0f;
521
522 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
523 uinfo->count = shift == rshift ? 1 : 2;
524 uinfo->value.integer.min = 0;
525 uinfo->value.integer.max = mask;
526 return 0;
527 }
528
529 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
530 struct snd_ctl_elem_value *ucontrol)
531 {
532 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
533 int reg = kcontrol->private_value & 0xff;
534 int shift = (kcontrol->private_value >> 8) & 0x0f;
535 int rshift = (kcontrol->private_value >> 12) & 0x0f;
536 int mask = (kcontrol->private_value >> 16) & 0xff;
537 int invert = (kcontrol->private_value >> 24) & 0x01;
538 int page_save;
539
540 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
541 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
542 if (shift != rshift)
543 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
544 if (invert) {
545 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
546 if (shift != rshift)
547 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
548 }
549 snd_ac97_page_restore(ac97, page_save);
550 return 0;
551 }
552
553 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
554 struct snd_ctl_elem_value *ucontrol)
555 {
556 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
557 int reg = kcontrol->private_value & 0xff;
558 int shift = (kcontrol->private_value >> 8) & 0x0f;
559 int rshift = (kcontrol->private_value >> 12) & 0x0f;
560 int mask = (kcontrol->private_value >> 16) & 0xff;
561 int invert = (kcontrol->private_value >> 24) & 0x01;
562 int err, page_save;
563 unsigned short val, val2, val_mask;
564
565 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
566 val = (ucontrol->value.integer.value[0] & mask);
567 if (invert)
568 val = mask - val;
569 val_mask = mask << shift;
570 val = val << shift;
571 if (shift != rshift) {
572 val2 = (ucontrol->value.integer.value[1] & mask);
573 if (invert)
574 val2 = mask - val2;
575 val_mask |= mask << rshift;
576 val |= val2 << rshift;
577 }
578 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
579 snd_ac97_page_restore(ac97, page_save);
580 #ifdef CONFIG_SND_AC97_POWER_SAVE
581 /* check analog mixer power-down */
582 if ((val_mask & 0x8000) &&
583 (kcontrol->private_value & (1<<30))) {
584 if (val & 0x8000)
585 ac97->power_up &= ~(1 << (reg>>1));
586 else
587 ac97->power_up |= 1 << (reg>>1);
588 update_power_regs(ac97);
589 }
590 #endif
591 return err;
592 }
593
594 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
595 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
596 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
597 };
598
599 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
600 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
601 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
602 };
603
604 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
605 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
606 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
607 };
608
609 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
610 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
611
612
613 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
614 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
615 static const char* std_mix[] = {"Mix", "Mic"};
616 static const char* std_mic[] = {"Mic1", "Mic2"};
617
618 static const struct ac97_enum std_enum[] = {
619 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
621 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
622 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
623 };
624
625 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
626 AC97_ENUM("Capture Source", std_enum[0]);
627
628 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
629 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
630
631 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
632 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
633 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
634 };
635
636 enum {
637 AC97_GENERAL_PCM_OUT = 0,
638 AC97_GENERAL_STEREO_ENHANCEMENT,
639 AC97_GENERAL_3D,
640 AC97_GENERAL_LOUDNESS,
641 AC97_GENERAL_MONO,
642 AC97_GENERAL_MIC,
643 AC97_GENERAL_LOOPBACK
644 };
645
646 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
647 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
648 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
649 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
650 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
651 AC97_ENUM("Mono Output Select", std_enum[2]),
652 AC97_ENUM("Mic Select", std_enum[3]),
653 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
654 };
655
656 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
657 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
658 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
659 };
660
661 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
662 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
663 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
664 };
665
666 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
667 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
668 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
669 };
670
671 static const struct snd_kcontrol_new snd_ac97_control_eapd =
672 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
673
674 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
675 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
676 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
677 };
678
679 /* change the existing EAPD control as inverted */
680 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
681 {
682 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
683 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
684 ac97->scaps |= AC97_SCAP_INV_EAPD;
685 }
686
687 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
688 {
689 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
690 uinfo->count = 1;
691 return 0;
692 }
693
694 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
695 {
696 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
697 IEC958_AES0_NONAUDIO |
698 IEC958_AES0_CON_EMPHASIS_5015 |
699 IEC958_AES0_CON_NOT_COPYRIGHT;
700 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
701 IEC958_AES1_CON_ORIGINAL;
702 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
703 return 0;
704 }
705
706 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
707 {
708 /* FIXME: AC'97 spec doesn't say which bits are used for what */
709 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
710 IEC958_AES0_NONAUDIO |
711 IEC958_AES0_PRO_FS |
712 IEC958_AES0_PRO_EMPHASIS_5015;
713 return 0;
714 }
715
716 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
717 {
718 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
719
720 mutex_lock(&ac97->reg_mutex);
721 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
722 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
723 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
724 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
725 mutex_unlock(&ac97->reg_mutex);
726 return 0;
727 }
728
729 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
730 {
731 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
732 unsigned int new = 0;
733 unsigned short val = 0;
734 int change;
735
736 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
737 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
738 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
739 switch (new & IEC958_AES0_PRO_FS) {
740 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
741 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
742 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
743 default: val |= 1<<12; break;
744 }
745 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
746 val |= 1<<3;
747 } else {
748 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
749 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
750 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
751 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
752 val |= 1<<3;
753 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
754 val |= 1<<2;
755 val |= ((new >> 8) & 0xff) << 4; // category + original
756 switch ((new >> 24) & 0xff) {
757 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
758 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
759 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
760 default: val |= 1<<12; break;
761 }
762 }
763
764 mutex_lock(&ac97->reg_mutex);
765 change = ac97->spdif_status != new;
766 ac97->spdif_status = new;
767
768 if (ac97->flags & AC97_CS_SPDIF) {
769 int x = (val >> 12) & 0x03;
770 switch (x) {
771 case 0: x = 1; break; // 44.1
772 case 2: x = 0; break; // 48.0
773 default: x = 0; break; // illegal.
774 }
775 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
776 } else if (ac97->flags & AC97_CX_SPDIF) {
777 int v;
778 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
779 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
780 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
781 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
782 v);
783 } else if (ac97->id == AC97_ID_YMF743) {
784 change |= snd_ac97_update_bits_nolock(ac97,
785 AC97_YMF7X3_DIT_CTRL,
786 0xff38,
787 ((val << 4) & 0xff00) |
788 ((val << 2) & 0x0038));
789 } else {
790 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
791 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
792
793 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
794 if (extst & AC97_EA_SPDIF) {
795 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
796 }
797 }
798 mutex_unlock(&ac97->reg_mutex);
799
800 return change;
801 }
802
803 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
804 {
805 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
806 int reg = kcontrol->private_value & 0xff;
807 int shift = (kcontrol->private_value >> 8) & 0xff;
808 int mask = (kcontrol->private_value >> 16) & 0xff;
809 // int invert = (kcontrol->private_value >> 24) & 0xff;
810 unsigned short value, old, new;
811 int change;
812
813 value = (ucontrol->value.integer.value[0] & mask);
814
815 mutex_lock(&ac97->reg_mutex);
816 mask <<= shift;
817 value <<= shift;
818 old = snd_ac97_read_cache(ac97, reg);
819 new = (old & ~mask) | value;
820 change = old != new;
821
822 if (change) {
823 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
824 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
825 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
826 if (extst & AC97_EA_SPDIF)
827 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
828 }
829 mutex_unlock(&ac97->reg_mutex);
830 return change;
831 }
832
833 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
834 {
835 .access = SNDRV_CTL_ELEM_ACCESS_READ,
836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
838 .info = snd_ac97_spdif_mask_info,
839 .get = snd_ac97_spdif_cmask_get,
840 },
841 {
842 .access = SNDRV_CTL_ELEM_ACCESS_READ,
843 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
844 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
845 .info = snd_ac97_spdif_mask_info,
846 .get = snd_ac97_spdif_pmask_get,
847 },
848 {
849 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
850 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
851 .info = snd_ac97_spdif_mask_info,
852 .get = snd_ac97_spdif_default_get,
853 .put = snd_ac97_spdif_default_put,
854 },
855
856 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
857 {
858 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
859 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
860 .info = snd_ac97_info_volsw,
861 .get = snd_ac97_get_volsw,
862 .put = snd_ac97_put_spsa,
863 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
864 },
865 };
866
867 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
868 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
869 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
870 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
871
872 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
873 {
874 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
875 int mask = (kcontrol->private_value >> 16) & 0x0f;
876 int lshift = (kcontrol->private_value >> 8) & 0x0f;
877 int rshift = (kcontrol->private_value >> 12) & 0x0f;
878
879 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
880 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
881 uinfo->count = 2;
882 else
883 uinfo->count = 1;
884 uinfo->value.integer.min = 0;
885 uinfo->value.integer.max = mask;
886 return 0;
887 }
888
889 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
890 {
891 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
892 int codec = kcontrol->private_value & 3;
893 int lshift = (kcontrol->private_value >> 8) & 0x0f;
894 int rshift = (kcontrol->private_value >> 12) & 0x0f;
895 int mask = (kcontrol->private_value >> 16) & 0xff;
896
897 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
899 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
900 return 0;
901 }
902
903 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
904 {
905 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
906 int codec = kcontrol->private_value & 3;
907 int lshift = (kcontrol->private_value >> 8) & 0x0f;
908 int rshift = (kcontrol->private_value >> 12) & 0x0f;
909 int mask = (kcontrol->private_value >> 16) & 0xff;
910 unsigned short val, valmask;
911
912 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
913 valmask = mask << lshift;
914 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
915 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
916 valmask |= mask << rshift;
917 }
918 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
919 }
920
921 #define AD18XX_PCM_VOLUME(xname, codec) \
922 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
923 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
924 .private_value = codec }
925
926 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
927 {
928 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
929 uinfo->count = 2;
930 uinfo->value.integer.min = 0;
931 uinfo->value.integer.max = 31;
932 return 0;
933 }
934
935 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
936 {
937 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
938 int codec = kcontrol->private_value & 3;
939
940 mutex_lock(&ac97->page_mutex);
941 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
942 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
943 mutex_unlock(&ac97->page_mutex);
944 return 0;
945 }
946
947 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
948 {
949 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
950 int codec = kcontrol->private_value & 3;
951 unsigned short val1, val2;
952
953 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
954 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
955 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
956 }
957
958 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
959 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
960 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
961 };
962
963 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
964 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
965 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
966 };
967
968 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
969 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
970 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
971 };
972
973 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
974 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
975 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
976 };
977
978 /*
979 *
980 */
981
982 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
983
984 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
985 {
986 if (bus) {
987 snd_ac97_bus_proc_done(bus);
988 kfree(bus->pcms);
989 if (bus->private_free)
990 bus->private_free(bus);
991 kfree(bus);
992 }
993 return 0;
994 }
995
996 static int snd_ac97_bus_dev_free(struct snd_device *device)
997 {
998 struct snd_ac97_bus *bus = device->device_data;
999 return snd_ac97_bus_free(bus);
1000 }
1001
1002 static int snd_ac97_free(struct snd_ac97 *ac97)
1003 {
1004 if (ac97) {
1005 #ifdef CONFIG_SND_AC97_POWER_SAVE
1006 cancel_delayed_work(&ac97->power_work);
1007 flush_scheduled_work();
1008 #endif
1009 snd_ac97_proc_done(ac97);
1010 if (ac97->bus)
1011 ac97->bus->codec[ac97->num] = NULL;
1012 if (ac97->private_free)
1013 ac97->private_free(ac97);
1014 kfree(ac97);
1015 }
1016 return 0;
1017 }
1018
1019 static int snd_ac97_dev_free(struct snd_device *device)
1020 {
1021 struct snd_ac97 *ac97 = device->device_data;
1022 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1023 return snd_ac97_free(ac97);
1024 }
1025
1026 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1027 {
1028 unsigned short val, mask = 0x8000;
1029
1030 if (! snd_ac97_valid_reg(ac97, reg))
1031 return 0;
1032
1033 switch (reg) {
1034 case AC97_MASTER_TONE:
1035 return ac97->caps & 0x04 ? 1 : 0;
1036 case AC97_HEADPHONE:
1037 return ac97->caps & 0x10 ? 1 : 0;
1038 case AC97_REC_GAIN_MIC:
1039 return ac97->caps & 0x01 ? 1 : 0;
1040 case AC97_3D_CONTROL:
1041 if (ac97->caps & 0x7c00) {
1042 val = snd_ac97_read(ac97, reg);
1043 /* if nonzero - fixed and we can't set it */
1044 return val == 0;
1045 }
1046 return 0;
1047 case AC97_CENTER_LFE_MASTER: /* center */
1048 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1049 return 0;
1050 break;
1051 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1052 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1053 return 0;
1054 reg = AC97_CENTER_LFE_MASTER;
1055 mask = 0x0080;
1056 break;
1057 case AC97_SURROUND_MASTER:
1058 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1059 return 0;
1060 break;
1061 }
1062
1063 val = snd_ac97_read(ac97, reg);
1064 if (!(val & mask)) {
1065 /* nothing seems to be here - mute flag is not set */
1066 /* try another test */
1067 snd_ac97_write_cache(ac97, reg, val | mask);
1068 val = snd_ac97_read(ac97, reg);
1069 val = snd_ac97_read(ac97, reg);
1070 if (!(val & mask))
1071 return 0; /* nothing here */
1072 }
1073 return 1; /* success, useable */
1074 }
1075
1076 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1077 {
1078 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1079 unsigned char max[3] = { 63, 31, 15 };
1080 int i;
1081
1082 /* first look up the static resolution table */
1083 if (ac97->res_table) {
1084 const struct snd_ac97_res_table *tbl;
1085 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1086 if (tbl->reg == reg) {
1087 *lo_max = tbl->bits & 0xff;
1088 *hi_max = (tbl->bits >> 8) & 0xff;
1089 return;
1090 }
1091 }
1092 }
1093
1094 *lo_max = *hi_max = 0;
1095 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1096 unsigned short val;
1097 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1098 /* Do the read twice due to buffers on some ac97 codecs.
1099 * e.g. The STAC9704 returns exactly what you wrote to the register
1100 * if you read it immediately. This causes the detect routine to fail.
1101 */
1102 val = snd_ac97_read(ac97, reg);
1103 val = snd_ac97_read(ac97, reg);
1104 if (! *lo_max && (val & 0x7f) == cbit[i])
1105 *lo_max = max[i];
1106 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1107 *hi_max = max[i];
1108 if (*lo_max && *hi_max)
1109 break;
1110 }
1111 }
1112
1113 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1114 {
1115 unsigned short mask, val, orig, res;
1116
1117 mask = 1 << bit;
1118 orig = snd_ac97_read(ac97, reg);
1119 val = orig ^ mask;
1120 snd_ac97_write(ac97, reg, val);
1121 res = snd_ac97_read(ac97, reg);
1122 snd_ac97_write_cache(ac97, reg, orig);
1123 return res == val;
1124 }
1125
1126 /* check the volume resolution of center/lfe */
1127 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1128 {
1129 unsigned short val, val1;
1130
1131 *max = 63;
1132 val = 0x8080 | (0x20 << shift);
1133 snd_ac97_write(ac97, reg, val);
1134 val1 = snd_ac97_read(ac97, reg);
1135 if (val != val1) {
1136 *max = 31;
1137 }
1138 /* reset volume to zero */
1139 snd_ac97_write_cache(ac97, reg, 0x8080);
1140 }
1141
1142 static inline int printable(unsigned int x)
1143 {
1144 x &= 0xff;
1145 if (x < ' ' || x >= 0x71) {
1146 if (x <= 0x89)
1147 return x - 0x71 + 'A';
1148 return '?';
1149 }
1150 return x;
1151 }
1152
1153 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
1154 struct snd_ac97 * ac97)
1155 {
1156 struct snd_kcontrol_new template;
1157 memcpy(&template, _template, sizeof(template));
1158 template.index = ac97->num;
1159 return snd_ctl_new1(&template, ac97);
1160 }
1161
1162 /*
1163 * create mute switch(es) for normal stereo controls
1164 */
1165 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1166 int check_stereo, int check_amix,
1167 struct snd_ac97 *ac97)
1168 {
1169 struct snd_kcontrol *kctl;
1170 int err;
1171 unsigned short val, val1, mute_mask;
1172
1173 if (! snd_ac97_valid_reg(ac97, reg))
1174 return 0;
1175
1176 mute_mask = 0x8000;
1177 val = snd_ac97_read(ac97, reg);
1178 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1179 /* check whether both mute bits work */
1180 val1 = val | 0x8080;
1181 snd_ac97_write(ac97, reg, val1);
1182 if (val1 == snd_ac97_read(ac97, reg))
1183 mute_mask = 0x8080;
1184 }
1185 if (mute_mask == 0x8080) {
1186 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1187 if (check_amix)
1188 tmp.private_value |= (1 << 30);
1189 tmp.index = ac97->num;
1190 kctl = snd_ctl_new1(&tmp, ac97);
1191 } else {
1192 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1193 if (check_amix)
1194 tmp.private_value |= (1 << 30);
1195 tmp.index = ac97->num;
1196 kctl = snd_ctl_new1(&tmp, ac97);
1197 }
1198 err = snd_ctl_add(card, kctl);
1199 if (err < 0)
1200 return err;
1201 /* mute as default */
1202 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1203 return 0;
1204 }
1205
1206 /*
1207 * set dB information
1208 */
1209 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1210 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1211 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1212 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1213 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1214
1215 static const unsigned int *find_db_scale(unsigned int maxval)
1216 {
1217 switch (maxval) {
1218 case 0x0f: return db_scale_4bit;
1219 case 0x1f: return db_scale_5bit;
1220 case 0x3f: return db_scale_6bit;
1221 }
1222 return NULL;
1223 }
1224
1225 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1226 {
1227 kctl->tlv.p = tlv;
1228 if (tlv)
1229 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1230 }
1231
1232 /*
1233 * create a volume for normal stereo/mono controls
1234 */
1235 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1236 unsigned int hi_max, struct snd_ac97 *ac97)
1237 {
1238 int err;
1239 struct snd_kcontrol *kctl;
1240
1241 if (! snd_ac97_valid_reg(ac97, reg))
1242 return 0;
1243 if (hi_max) {
1244 /* invert */
1245 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1246 tmp.index = ac97->num;
1247 kctl = snd_ctl_new1(&tmp, ac97);
1248 } else {
1249 /* invert */
1250 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1251 tmp.index = ac97->num;
1252 kctl = snd_ctl_new1(&tmp, ac97);
1253 }
1254 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1255 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1256 else
1257 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1258 err = snd_ctl_add(card, kctl);
1259 if (err < 0)
1260 return err;
1261 snd_ac97_write_cache(ac97, reg,
1262 (snd_ac97_read(ac97, reg) & 0x8080) |
1263 lo_max | (hi_max << 8));
1264 return 0;
1265 }
1266
1267 /*
1268 * create a mute-switch and a volume for normal stereo/mono controls
1269 */
1270 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1271 int reg, int check_stereo, int check_amix,
1272 struct snd_ac97 *ac97)
1273 {
1274 int err;
1275 char name[44];
1276 unsigned char lo_max, hi_max;
1277
1278 if (! snd_ac97_valid_reg(ac97, reg))
1279 return 0;
1280
1281 if (snd_ac97_try_bit(ac97, reg, 15)) {
1282 sprintf(name, "%s Switch", pfx);
1283 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1284 check_stereo, check_amix,
1285 ac97)) < 0)
1286 return err;
1287 }
1288 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1289 if (lo_max) {
1290 sprintf(name, "%s Volume", pfx);
1291 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1292 return err;
1293 }
1294 return 0;
1295 }
1296
1297 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1298 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1299 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1300 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1301
1302 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1303
1304 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1305 {
1306 struct snd_card *card = ac97->bus->card;
1307 struct snd_kcontrol *kctl;
1308 int err;
1309 unsigned int idx;
1310 unsigned char max;
1311
1312 /* build master controls */
1313 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1314 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1315 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1316 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1317 AC97_MASTER, 0, ac97);
1318 else
1319 err = snd_ac97_cmix_new(card, "Master Playback",
1320 AC97_MASTER, 0, ac97);
1321 if (err < 0)
1322 return err;
1323 }
1324
1325 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1326
1327 /* build center controls */
1328 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1329 && !(ac97->flags & AC97_AD_MULTI)) {
1330 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1331 return err;
1332 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1333 return err;
1334 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1335 kctl->private_value &= ~(0xff << 16);
1336 kctl->private_value |= (int)max << 16;
1337 set_tlv_db_scale(kctl, find_db_scale(max));
1338 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1339 }
1340
1341 /* build LFE controls */
1342 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1343 && !(ac97->flags & AC97_AD_MULTI)) {
1344 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1345 return err;
1346 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1347 return err;
1348 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1349 kctl->private_value &= ~(0xff << 16);
1350 kctl->private_value |= (int)max << 16;
1351 set_tlv_db_scale(kctl, find_db_scale(max));
1352 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1353 }
1354
1355 /* build surround controls */
1356 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1357 && !(ac97->flags & AC97_AD_MULTI)) {
1358 /* Surround Master (0x38) is with stereo mutes */
1359 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1360 AC97_SURROUND_MASTER, 1, 0,
1361 ac97)) < 0)
1362 return err;
1363 }
1364
1365 /* build headphone controls */
1366 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1367 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1368 AC97_HEADPHONE, 0, ac97)) < 0)
1369 return err;
1370 }
1371
1372 /* build master mono controls */
1373 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1374 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1375 AC97_MASTER_MONO, 0, ac97)) < 0)
1376 return err;
1377 }
1378
1379 /* build master tone controls */
1380 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1381 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1382 for (idx = 0; idx < 2; idx++) {
1383 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1384 return err;
1385 if (ac97->id == AC97_ID_YMF743 ||
1386 ac97->id == AC97_ID_YMF753) {
1387 kctl->private_value &= ~(0xff << 16);
1388 kctl->private_value |= 7 << 16;
1389 }
1390 }
1391 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1392 }
1393 }
1394
1395 /* build PC Speaker controls */
1396 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1397 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1398 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1399 for (idx = 0; idx < 2; idx++)
1400 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1401 return err;
1402 set_tlv_db_scale(kctl, db_scale_4bit);
1403 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1404 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1405 }
1406
1407 /* build Phone controls */
1408 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1409 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1410 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1411 AC97_PHONE, 1, ac97)) < 0)
1412 return err;
1413 }
1414 }
1415
1416 /* build MIC controls */
1417 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1418 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1419 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1420 AC97_MIC, 1, ac97)) < 0)
1421 return err;
1422 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1423 return err;
1424 }
1425 }
1426
1427 /* build Line controls */
1428 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1429 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1430 AC97_LINE, 1, ac97)) < 0)
1431 return err;
1432 }
1433
1434 /* build CD controls */
1435 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1436 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1437 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1438 AC97_CD, 1, ac97)) < 0)
1439 return err;
1440 }
1441 }
1442
1443 /* build Video controls */
1444 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1445 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1446 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1447 AC97_VIDEO, 1, ac97)) < 0)
1448 return err;
1449 }
1450 }
1451
1452 /* build Aux controls */
1453 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1454 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1455 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1456 AC97_AUX, 1, ac97)) < 0)
1457 return err;
1458 }
1459 }
1460
1461 /* build PCM controls */
1462 if (ac97->flags & AC97_AD_MULTI) {
1463 unsigned short init_val;
1464 if (ac97->flags & AC97_STEREO_MUTES)
1465 init_val = 0x9f9f;
1466 else
1467 init_val = 0x9f1f;
1468 for (idx = 0; idx < 2; idx++)
1469 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1470 return err;
1471 set_tlv_db_scale(kctl, db_scale_5bit);
1472 ac97->spec.ad18xx.pcmreg[0] = init_val;
1473 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1474 for (idx = 0; idx < 2; idx++)
1475 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1476 return err;
1477 set_tlv_db_scale(kctl, db_scale_5bit);
1478 ac97->spec.ad18xx.pcmreg[1] = init_val;
1479 }
1480 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1481 for (idx = 0; idx < 2; idx++)
1482 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1483 return err;
1484 set_tlv_db_scale(kctl, db_scale_5bit);
1485 for (idx = 0; idx < 2; idx++)
1486 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1487 return err;
1488 set_tlv_db_scale(kctl, db_scale_5bit);
1489 ac97->spec.ad18xx.pcmreg[2] = init_val;
1490 }
1491 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1492 } else {
1493 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1494 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1495 err = snd_ac97_cmute_new(card,
1496 "PCM Playback Switch",
1497 AC97_PCM, 0, ac97);
1498 else
1499 err = snd_ac97_cmix_new(card, "PCM Playback",
1500 AC97_PCM, 0, ac97);
1501 if (err < 0)
1502 return err;
1503 }
1504 }
1505
1506 /* build Capture controls */
1507 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1508 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1509 return err;
1510 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1511 err = snd_ac97_cmute_new(card, "Capture Switch",
1512 AC97_REC_GAIN, 0, ac97);
1513 if (err < 0)
1514 return err;
1515 }
1516 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1517 return err;
1518 set_tlv_db_scale(kctl, db_scale_rec_gain);
1519 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1520 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1521 }
1522 /* build MIC Capture controls */
1523 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1524 for (idx = 0; idx < 2; idx++)
1525 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1526 return err;
1527 set_tlv_db_scale(kctl, db_scale_rec_gain);
1528 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1529 }
1530
1531 /* build PCM out path & mute control */
1532 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1533 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1534 return err;
1535 }
1536
1537 /* build Simulated Stereo Enhancement control */
1538 if (ac97->caps & 0x0008) {
1539 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1540 return err;
1541 }
1542
1543 /* build 3D Stereo Enhancement control */
1544 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1545 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1546 return err;
1547 }
1548
1549 /* build Loudness control */
1550 if (ac97->caps & 0x0020) {
1551 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1552 return err;
1553 }
1554
1555 /* build Mono output select control */
1556 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1557 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1558 return err;
1559 }
1560
1561 /* build Mic select control */
1562 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1563 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1564 return err;
1565 }
1566
1567 /* build ADC/DAC loopback control */
1568 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1569 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1570 return err;
1571 }
1572
1573 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1574
1575 /* build 3D controls */
1576 if (ac97->build_ops->build_3d) {
1577 ac97->build_ops->build_3d(ac97);
1578 } else {
1579 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1580 unsigned short val;
1581 val = 0x0707;
1582 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1583 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1584 val = val == 0x0606;
1585 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1586 return err;
1587 if (val)
1588 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1589 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1590 return err;
1591 if (val)
1592 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1593 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1594 }
1595 }
1596
1597 /* build S/PDIF controls */
1598
1599 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1600 if (ac97->subsystem_vendor == 0x1043 &&
1601 ac97->subsystem_device == 0x810f)
1602 ac97->ext_id |= AC97_EI_SPDIF;
1603
1604 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1605 if (ac97->build_ops->build_spdif) {
1606 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1607 return err;
1608 } else {
1609 for (idx = 0; idx < 5; idx++)
1610 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1611 return err;
1612 if (ac97->build_ops->build_post_spdif) {
1613 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1614 return err;
1615 }
1616 /* set default PCM S/PDIF params */
1617 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1618 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1619 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1620 }
1621 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1622 }
1623
1624 /* build chip specific controls */
1625 if (ac97->build_ops->build_specific)
1626 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1627 return err;
1628
1629 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1630 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1631 if (! kctl)
1632 return -ENOMEM;
1633 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1634 set_inv_eapd(ac97, kctl);
1635 if ((err = snd_ctl_add(card, kctl)) < 0)
1636 return err;
1637 }
1638
1639 return 0;
1640 }
1641
1642 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1643 {
1644 int err, idx;
1645
1646 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1647 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1648 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1649 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1650 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1651 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1652
1653 /* build modem switches */
1654 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1655 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1656 return err;
1657
1658 /* build chip specific controls */
1659 if (ac97->build_ops->build_specific)
1660 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1661 return err;
1662
1663 return 0;
1664 }
1665
1666 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1667 {
1668 unsigned short val;
1669 unsigned int tmp;
1670
1671 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1672 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1673 if (shadow_reg)
1674 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1675 val = snd_ac97_read(ac97, reg);
1676 return val == (tmp & 0xffff);
1677 }
1678
1679 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1680 {
1681 unsigned int result = 0;
1682 unsigned short saved;
1683
1684 if (ac97->bus->no_vra) {
1685 *r_result = SNDRV_PCM_RATE_48000;
1686 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1687 reg == AC97_PCM_FRONT_DAC_RATE)
1688 *r_result |= SNDRV_PCM_RATE_96000;
1689 return;
1690 }
1691
1692 saved = snd_ac97_read(ac97, reg);
1693 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1694 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1695 AC97_EA_DRA, 0);
1696 /* test a non-standard rate */
1697 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1698 result |= SNDRV_PCM_RATE_CONTINUOUS;
1699 /* let's try to obtain standard rates */
1700 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1701 result |= SNDRV_PCM_RATE_8000;
1702 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1703 result |= SNDRV_PCM_RATE_11025;
1704 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1705 result |= SNDRV_PCM_RATE_16000;
1706 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1707 result |= SNDRV_PCM_RATE_22050;
1708 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1709 result |= SNDRV_PCM_RATE_32000;
1710 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1711 result |= SNDRV_PCM_RATE_44100;
1712 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1713 result |= SNDRV_PCM_RATE_48000;
1714 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1715 reg == AC97_PCM_FRONT_DAC_RATE) {
1716 /* test standard double rates */
1717 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1718 AC97_EA_DRA, AC97_EA_DRA);
1719 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1720 result |= SNDRV_PCM_RATE_64000;
1721 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1722 result |= SNDRV_PCM_RATE_88200;
1723 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1724 result |= SNDRV_PCM_RATE_96000;
1725 /* some codecs don't support variable double rates */
1726 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1727 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1728 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1729 AC97_EA_DRA, 0);
1730 }
1731 /* restore the default value */
1732 snd_ac97_write_cache(ac97, reg, saved);
1733 if (shadow_reg)
1734 snd_ac97_write_cache(ac97, shadow_reg, saved);
1735 *r_result = result;
1736 }
1737
1738 /* check AC97_SPDIF register to accept which sample rates */
1739 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1740 {
1741 unsigned int result = 0;
1742 int i;
1743 static unsigned short ctl_bits[] = {
1744 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1745 };
1746 static unsigned int rate_bits[] = {
1747 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1748 };
1749
1750 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1751 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1752 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1753 result |= rate_bits[i];
1754 }
1755 return result;
1756 }
1757
1758 /* look for the codec id table matching with the given id */
1759 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1760 unsigned int id)
1761 {
1762 const struct ac97_codec_id *pid;
1763
1764 for (pid = table; pid->id; pid++)
1765 if (pid->id == (id & pid->mask))
1766 return pid;
1767 return NULL;
1768 }
1769
1770 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1771 {
1772 const struct ac97_codec_id *pid;
1773
1774 sprintf(name, "0x%x %c%c%c", id,
1775 printable(id >> 24),
1776 printable(id >> 16),
1777 printable(id >> 8));
1778 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1779 if (! pid)
1780 return;
1781
1782 strcpy(name, pid->name);
1783 if (ac97 && pid->patch) {
1784 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1785 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1786 pid->patch(ac97);
1787 }
1788
1789 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1790 if (pid) {
1791 strcat(name, " ");
1792 strcat(name, pid->name);
1793 if (pid->mask != 0xffffffff)
1794 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1795 if (ac97 && pid->patch) {
1796 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1797 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1798 pid->patch(ac97);
1799 }
1800 } else
1801 sprintf(name + strlen(name), " id %x", id & 0xff);
1802 }
1803
1804 /**
1805 * snd_ac97_get_short_name - retrieve codec name
1806 * @ac97: the codec instance
1807 *
1808 * Returns the short identifying name of the codec.
1809 */
1810 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1811 {
1812 const struct ac97_codec_id *pid;
1813
1814 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1815 if (pid->id == (ac97->id & pid->mask))
1816 return pid->name;
1817 return "unknown codec";
1818 }
1819
1820 EXPORT_SYMBOL(snd_ac97_get_short_name);
1821
1822 /* wait for a while until registers are accessible after RESET
1823 * return 0 if ok, negative not ready
1824 */
1825 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1826 {
1827 unsigned long end_time;
1828 unsigned short val;
1829
1830 end_time = jiffies + timeout;
1831 do {
1832
1833 /* use preliminary reads to settle the communication */
1834 snd_ac97_read(ac97, AC97_RESET);
1835 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1836 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1837 /* modem? */
1838 if (with_modem) {
1839 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1840 if (val != 0xffff && (val & 1) != 0)
1841 return 0;
1842 }
1843 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1844 /* probably only Xbox issue - all registers are read as zero */
1845 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1846 if (val != 0 && val != 0xffff)
1847 return 0;
1848 } else {
1849 /* because the PCM or MASTER volume registers can be modified,
1850 * the REC_GAIN register is used for tests
1851 */
1852 /* test if we can write to the record gain volume register */
1853 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1854 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1855 return 0;
1856 }
1857 schedule_timeout_uninterruptible(1);
1858 } while (time_after_eq(end_time, jiffies));
1859 return -ENODEV;
1860 }
1861
1862 /**
1863 * snd_ac97_bus - create an AC97 bus component
1864 * @card: the card instance
1865 * @num: the bus number
1866 * @ops: the bus callbacks table
1867 * @private_data: private data pointer for the new instance
1868 * @rbus: the pointer to store the new AC97 bus instance.
1869 *
1870 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1871 * allocated and initialized.
1872 *
1873 * The ops table must include valid callbacks (at least read and
1874 * write). The other callbacks, wait and reset, are not mandatory.
1875 *
1876 * The clock is set to 48000. If another clock is needed, set
1877 * (*rbus)->clock manually.
1878 *
1879 * The AC97 bus instance is registered as a low-level device, so you don't
1880 * have to release it manually.
1881 *
1882 * Returns zero if successful, or a negative error code on failure.
1883 */
1884 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1885 void *private_data, struct snd_ac97_bus **rbus)
1886 {
1887 int err;
1888 struct snd_ac97_bus *bus;
1889 static struct snd_device_ops dev_ops = {
1890 .dev_free = snd_ac97_bus_dev_free,
1891 };
1892
1893 if (snd_BUG_ON(!card))
1894 return -EINVAL;
1895 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1896 if (bus == NULL)
1897 return -ENOMEM;
1898 bus->card = card;
1899 bus->num = num;
1900 bus->ops = ops;
1901 bus->private_data = private_data;
1902 bus->clock = 48000;
1903 spin_lock_init(&bus->bus_lock);
1904 snd_ac97_bus_proc_init(bus);
1905 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1906 snd_ac97_bus_free(bus);
1907 return err;
1908 }
1909 if (rbus)
1910 *rbus = bus;
1911 return 0;
1912 }
1913
1914 EXPORT_SYMBOL(snd_ac97_bus);
1915
1916 /* stop no dev release warning */
1917 static void ac97_device_release(struct device * dev)
1918 {
1919 }
1920
1921 /* register ac97 codec to bus */
1922 static int snd_ac97_dev_register(struct snd_device *device)
1923 {
1924 struct snd_ac97 *ac97 = device->device_data;
1925 int err;
1926
1927 ac97->dev.bus = &ac97_bus_type;
1928 ac97->dev.parent = ac97->bus->card->dev;
1929 ac97->dev.release = ac97_device_release;
1930 dev_set_name(&ac97->dev, "%d-%d:%s",
1931 ac97->bus->card->number, ac97->num,
1932 snd_ac97_get_short_name(ac97));
1933 if ((err = device_register(&ac97->dev)) < 0) {
1934 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1935 ac97->dev.bus = NULL;
1936 return err;
1937 }
1938 return 0;
1939 }
1940
1941 /* disconnect ac97 codec */
1942 static int snd_ac97_dev_disconnect(struct snd_device *device)
1943 {
1944 struct snd_ac97 *ac97 = device->device_data;
1945 if (ac97->dev.bus)
1946 device_unregister(&ac97->dev);
1947 return 0;
1948 }
1949
1950 /* build_ops to do nothing */
1951 static struct snd_ac97_build_ops null_build_ops;
1952
1953 #ifdef CONFIG_SND_AC97_POWER_SAVE
1954 static void do_update_power(struct work_struct *work)
1955 {
1956 update_power_regs(
1957 container_of(work, struct snd_ac97, power_work.work));
1958 }
1959 #endif
1960
1961 /**
1962 * snd_ac97_mixer - create an Codec97 component
1963 * @bus: the AC97 bus which codec is attached to
1964 * @template: the template of ac97, including index, callbacks and
1965 * the private data.
1966 * @rac97: the pointer to store the new ac97 instance.
1967 *
1968 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1969 * allocated and initialized from the template. The codec
1970 * is then initialized by the standard procedure.
1971 *
1972 * The template must include the codec number (num) and address (addr),
1973 * and the private data (private_data).
1974 *
1975 * The ac97 instance is registered as a low-level device, so you don't
1976 * have to release it manually.
1977 *
1978 * Returns zero if successful, or a negative error code on failure.
1979 */
1980 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1981 {
1982 int err;
1983 struct snd_ac97 *ac97;
1984 struct snd_card *card;
1985 char name[64];
1986 unsigned long end_time;
1987 unsigned int reg;
1988 const struct ac97_codec_id *pid;
1989 static struct snd_device_ops ops = {
1990 .dev_free = snd_ac97_dev_free,
1991 .dev_register = snd_ac97_dev_register,
1992 .dev_disconnect = snd_ac97_dev_disconnect,
1993 };
1994
1995 if (rac97)
1996 *rac97 = NULL;
1997 if (snd_BUG_ON(!bus || !template))
1998 return -EINVAL;
1999 if (snd_BUG_ON(template->num >= 4))
2000 return -EINVAL;
2001 if (bus->codec[template->num])
2002 return -EBUSY;
2003
2004 card = bus->card;
2005 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
2006 if (ac97 == NULL)
2007 return -ENOMEM;
2008 ac97->private_data = template->private_data;
2009 ac97->private_free = template->private_free;
2010 ac97->bus = bus;
2011 ac97->pci = template->pci;
2012 ac97->num = template->num;
2013 ac97->addr = template->addr;
2014 ac97->scaps = template->scaps;
2015 ac97->res_table = template->res_table;
2016 bus->codec[ac97->num] = ac97;
2017 mutex_init(&ac97->reg_mutex);
2018 mutex_init(&ac97->page_mutex);
2019 #ifdef CONFIG_SND_AC97_POWER_SAVE
2020 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
2021 #endif
2022
2023 #ifdef CONFIG_PCI
2024 if (ac97->pci) {
2025 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2026 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2027 }
2028 #endif
2029 if (bus->ops->reset) {
2030 bus->ops->reset(ac97);
2031 goto __access_ok;
2032 }
2033
2034 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2035 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2036 if (ac97->id && ac97->id != (unsigned int)-1) {
2037 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2038 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2039 goto __access_ok;
2040 }
2041
2042 /* reset to defaults */
2043 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2044 snd_ac97_write(ac97, AC97_RESET, 0);
2045 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2046 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2047 if (bus->ops->wait)
2048 bus->ops->wait(ac97);
2049 else {
2050 udelay(50);
2051 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2052 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);
2053 else {
2054 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);
2055 if (err < 0)
2056 err = ac97_reset_wait(ac97,
2057 msecs_to_jiffies(500), 1);
2058 }
2059 if (err < 0) {
2060 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
2061 /* proceed anyway - it's often non-critical */
2062 }
2063 }
2064 __access_ok:
2065 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2066 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2067 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2068 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2069 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
2070 snd_ac97_free(ac97);
2071 return -EIO;
2072 }
2073 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2074 if (pid)
2075 ac97->flags |= pid->flags;
2076
2077 /* test for AC'97 */
2078 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2079 /* test if we can write to the record gain volume register */
2080 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2081 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2082 ac97->scaps |= AC97_SCAP_AUDIO;
2083 }
2084 if (ac97->scaps & AC97_SCAP_AUDIO) {
2085 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2086 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2087 if (ac97->ext_id == 0xffff) /* invalid combination */
2088 ac97->ext_id = 0;
2089 }
2090
2091 /* test for MC'97 */
2092 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2093 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2094 if (ac97->ext_mid == 0xffff) /* invalid combination */
2095 ac97->ext_mid = 0;
2096 if (ac97->ext_mid & 1)
2097 ac97->scaps |= AC97_SCAP_MODEM;
2098 }
2099
2100 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2101 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2102 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2103 snd_ac97_free(ac97);
2104 return -EACCES;
2105 }
2106
2107 if (bus->ops->reset) // FIXME: always skipping?
2108 goto __ready_ok;
2109
2110 /* FIXME: add powerdown control */
2111 if (ac97_is_audio(ac97)) {
2112 /* nothing should be in powerdown mode */
2113 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2114 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2115 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2116 udelay(100);
2117 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2118 }
2119 /* nothing should be in powerdown mode */
2120 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2121 end_time = jiffies + msecs_to_jiffies(100);
2122 do {
2123 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2124 goto __ready_ok;
2125 schedule_timeout_uninterruptible(1);
2126 } while (time_after_eq(end_time, jiffies));
2127 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2128 }
2129
2130 /* FIXME: add powerdown control */
2131 if (ac97_is_modem(ac97)) {
2132 unsigned char tmp;
2133
2134 /* nothing should be in powerdown mode */
2135 /* note: it's important to set the rate at first */
2136 tmp = AC97_MEA_GPIO;
2137 if (ac97->ext_mid & AC97_MEI_LINE1) {
2138 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2139 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2140 }
2141 if (ac97->ext_mid & AC97_MEI_LINE2) {
2142 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2143 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2144 }
2145 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2146 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2147 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2148 }
2149 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2150 udelay(100);
2151 /* nothing should be in powerdown mode */
2152 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2153 end_time = jiffies + msecs_to_jiffies(100);
2154 do {
2155 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2156 goto __ready_ok;
2157 schedule_timeout_uninterruptible(1);
2158 } while (time_after_eq(end_time, jiffies));
2159 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2160 }
2161
2162 __ready_ok:
2163 if (ac97_is_audio(ac97))
2164 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2165 else
2166 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2167 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2168 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2169 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2170 if (! bus->no_vra)
2171 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2172 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2173 }
2174 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2175 /* Intel controllers require double rate data to be put in
2176 * slots 7+8, so let's hope the codec supports it. */
2177 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2178 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2179 ac97->flags |= AC97_DOUBLE_RATE;
2180 /* restore to slots 10/11 to avoid the confliction with surrounds */
2181 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2182 }
2183 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2184 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2185 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2186 } else {
2187 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2188 if (ac97->flags & AC97_DOUBLE_RATE)
2189 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2190 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2191 }
2192 if (ac97->ext_id & AC97_EI_SPDIF) {
2193 /* codec specific code (patch) should override these values */
2194 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2195 }
2196 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2197 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2198 } else {
2199 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2200 }
2201 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2202 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2203 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2204 }
2205 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2206 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2207 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2208 }
2209 /* additional initializations */
2210 if (bus->ops->init)
2211 bus->ops->init(ac97);
2212 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2213 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2214 if (! ac97->build_ops)
2215 ac97->build_ops = &null_build_ops;
2216
2217 if (ac97_is_audio(ac97)) {
2218 char comp[16];
2219 if (card->mixername[0] == '\0') {
2220 strcpy(card->mixername, name);
2221 } else {
2222 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2223 strcat(card->mixername, ",");
2224 strcat(card->mixername, name);
2225 }
2226 }
2227 sprintf(comp, "AC97a:%08x", ac97->id);
2228 if ((err = snd_component_add(card, comp)) < 0) {
2229 snd_ac97_free(ac97);
2230 return err;
2231 }
2232 if (snd_ac97_mixer_build(ac97) < 0) {
2233 snd_ac97_free(ac97);
2234 return -ENOMEM;
2235 }
2236 }
2237 if (ac97_is_modem(ac97)) {
2238 char comp[16];
2239 if (card->mixername[0] == '\0') {
2240 strcpy(card->mixername, name);
2241 } else {
2242 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2243 strcat(card->mixername, ",");
2244 strcat(card->mixername, name);
2245 }
2246 }
2247 sprintf(comp, "AC97m:%08x", ac97->id);
2248 if ((err = snd_component_add(card, comp)) < 0) {
2249 snd_ac97_free(ac97);
2250 return err;
2251 }
2252 if (snd_ac97_modem_build(card, ac97) < 0) {
2253 snd_ac97_free(ac97);
2254 return -ENOMEM;
2255 }
2256 }
2257 if (ac97_is_audio(ac97))
2258 update_power_regs(ac97);
2259 snd_ac97_proc_init(ac97);
2260 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2261 snd_ac97_free(ac97);
2262 return err;
2263 }
2264 *rac97 = ac97;
2265 return 0;
2266 }
2267
2268 EXPORT_SYMBOL(snd_ac97_mixer);
2269
2270 /*
2271 * Power down the chip.
2272 *
2273 * MASTER and HEADPHONE registers are muted but the register cache values
2274 * are not changed, so that the values can be restored in snd_ac97_resume().
2275 */
2276 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2277 {
2278 unsigned short power;
2279
2280 if (ac97_is_audio(ac97)) {
2281 /* some codecs have stereo mute bits */
2282 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2283 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2284 }
2285
2286 /* surround, CLFE, mic powerdown */
2287 power = ac97->regs[AC97_EXTENDED_STATUS];
2288 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2289 power |= AC97_EA_PRJ;
2290 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2291 power |= AC97_EA_PRI | AC97_EA_PRK;
2292 power |= AC97_EA_PRL;
2293 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2294
2295 /* powerdown external amplifier */
2296 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2297 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2298 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2299 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2300 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2301 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
2302 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2303 udelay(100);
2304 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */
2305 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2306 if (ac97_is_power_save_mode(ac97)) {
2307 power |= AC97_PD_PR3; /* Analog Mixer powerdown */
2308 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2309 udelay(100);
2310 /* AC-link powerdown, internal Clk disable */
2311 /* FIXME: this may cause click noises on some boards */
2312 power |= AC97_PD_PR4 | AC97_PD_PR5;
2313 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2314 }
2315 }
2316
2317
2318 struct ac97_power_reg {
2319 unsigned short reg;
2320 unsigned short power_reg;
2321 unsigned short mask;
2322 };
2323
2324 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2325
2326 static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2327 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2328 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2329 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2330 AC97_EA_PRI | AC97_EA_PRK},
2331 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2332 AC97_EA_PRJ},
2333 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2334 AC97_EA_PRL},
2335 };
2336
2337 #ifdef CONFIG_SND_AC97_POWER_SAVE
2338 /**
2339 * snd_ac97_update_power - update the powerdown register
2340 * @ac97: the codec instance
2341 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2342 * @powerup: non-zero when power up the part
2343 *
2344 * Update the AC97 powerdown register bits of the given part.
2345 */
2346 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2347 {
2348 int i;
2349
2350 if (! ac97)
2351 return 0;
2352
2353 if (reg) {
2354 /* SPDIF requires DAC power, too */
2355 if (reg == AC97_SPDIF)
2356 reg = AC97_PCM_FRONT_DAC_RATE;
2357 for (i = 0; i < PWIDX_SIZE; i++) {
2358 if (power_regs[i].reg == reg) {
2359 if (powerup)
2360 ac97->power_up |= (1 << i);
2361 else
2362 ac97->power_up &= ~(1 << i);
2363 break;
2364 }
2365 }
2366 }
2367
2368 if (ac97_is_power_save_mode(ac97) && !powerup)
2369 /* adjust power-down bits after two seconds delay
2370 * (for avoiding loud click noises for many (OSS) apps
2371 * that open/close frequently)
2372 */
2373 schedule_delayed_work(&ac97->power_work,
2374 msecs_to_jiffies(power_save * 1000));
2375 else {
2376 cancel_delayed_work(&ac97->power_work);
2377 update_power_regs(ac97);
2378 }
2379
2380 return 0;
2381 }
2382
2383 EXPORT_SYMBOL(snd_ac97_update_power);
2384 #endif /* CONFIG_SND_AC97_POWER_SAVE */
2385
2386 static void update_power_regs(struct snd_ac97 *ac97)
2387 {
2388 unsigned int power_up, bits;
2389 int i;
2390
2391 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2392 power_up |= (1 << PWIDX_MIC);
2393 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2394 power_up |= (1 << PWIDX_SURR);
2395 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2396 power_up |= (1 << PWIDX_CLFE);
2397 #ifdef CONFIG_SND_AC97_POWER_SAVE
2398 if (ac97_is_power_save_mode(ac97))
2399 power_up = ac97->power_up;
2400 #endif
2401 if (power_up) {
2402 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2403 /* needs power-up analog mix and vref */
2404 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2405 AC97_PD_PR3, 0);
2406 msleep(1);
2407 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2408 AC97_PD_PR2, 0);
2409 }
2410 }
2411 for (i = 0; i < PWIDX_SIZE; i++) {
2412 if (power_up & (1 << i))
2413 bits = 0;
2414 else
2415 bits = power_regs[i].mask;
2416 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2417 power_regs[i].mask, bits);
2418 }
2419 if (! power_up) {
2420 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2421 /* power down analog mix and vref */
2422 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2423 AC97_PD_PR2, AC97_PD_PR2);
2424 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2425 AC97_PD_PR3, AC97_PD_PR3);
2426 }
2427 }
2428 }
2429
2430
2431 #ifdef CONFIG_PM
2432 /**
2433 * snd_ac97_suspend - General suspend function for AC97 codec
2434 * @ac97: the ac97 instance
2435 *
2436 * Suspends the codec, power down the chip.
2437 */
2438 void snd_ac97_suspend(struct snd_ac97 *ac97)
2439 {
2440 if (! ac97)
2441 return;
2442 if (ac97->build_ops->suspend)
2443 ac97->build_ops->suspend(ac97);
2444 #ifdef CONFIG_SND_AC97_POWER_SAVE
2445 cancel_delayed_work(&ac97->power_work);
2446 flush_scheduled_work();
2447 #endif
2448 snd_ac97_powerdown(ac97);
2449 }
2450
2451 EXPORT_SYMBOL(snd_ac97_suspend);
2452
2453 /*
2454 * restore ac97 status
2455 */
2456 static void snd_ac97_restore_status(struct snd_ac97 *ac97)
2457 {
2458 int i;
2459
2460 for (i = 2; i < 0x7c ; i += 2) {
2461 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2462 continue;
2463 /* restore only accessible registers
2464 * some chip (e.g. nm256) may hang up when unsupported registers
2465 * are accessed..!
2466 */
2467 if (test_bit(i, ac97->reg_accessed)) {
2468 snd_ac97_write(ac97, i, ac97->regs[i]);
2469 snd_ac97_read(ac97, i);
2470 }
2471 }
2472 }
2473
2474 /*
2475 * restore IEC958 status
2476 */
2477 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2478 {
2479 if (ac97->ext_id & AC97_EI_SPDIF) {
2480 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2481 /* reset spdif status */
2482 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2483 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2484 if (ac97->flags & AC97_CS_SPDIF)
2485 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2486 else
2487 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2488 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2489 }
2490 }
2491 }
2492
2493 /**
2494 * snd_ac97_resume - General resume function for AC97 codec
2495 * @ac97: the ac97 instance
2496 *
2497 * Do the standard resume procedure, power up and restoring the
2498 * old register values.
2499 */
2500 void snd_ac97_resume(struct snd_ac97 *ac97)
2501 {
2502 unsigned long end_time;
2503
2504 if (! ac97)
2505 return;
2506
2507 if (ac97->bus->ops->reset) {
2508 ac97->bus->ops->reset(ac97);
2509 goto __reset_ready;
2510 }
2511
2512 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2513 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2514 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2515 snd_ac97_write(ac97, AC97_RESET, 0);
2516 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2517 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2518 udelay(100);
2519 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2520 }
2521 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2522
2523 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2524 if (ac97_is_audio(ac97)) {
2525 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2526 end_time = jiffies + msecs_to_jiffies(100);
2527 do {
2528 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2529 break;
2530 schedule_timeout_uninterruptible(1);
2531 } while (time_after_eq(end_time, jiffies));
2532 /* FIXME: extra delay */
2533 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2534 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2535 msleep(250);
2536 } else {
2537 end_time = jiffies + msecs_to_jiffies(100);
2538 do {
2539 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2540 if (val != 0xffff && (val & 1) != 0)
2541 break;
2542 schedule_timeout_uninterruptible(1);
2543 } while (time_after_eq(end_time, jiffies));
2544 }
2545 __reset_ready:
2546
2547 if (ac97->bus->ops->init)
2548 ac97->bus->ops->init(ac97);
2549
2550 if (ac97->build_ops->resume)
2551 ac97->build_ops->resume(ac97);
2552 else {
2553 snd_ac97_restore_status(ac97);
2554 snd_ac97_restore_iec958(ac97);
2555 }
2556 }
2557
2558 EXPORT_SYMBOL(snd_ac97_resume);
2559 #endif
2560
2561
2562 /*
2563 * Hardware tuning
2564 */
2565 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2566 {
2567 if (suffix)
2568 sprintf(dst, "%s %s", src, suffix);
2569 else
2570 strcpy(dst, src);
2571 }
2572
2573 /* remove the control with the given name and optional suffix */
2574 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
2575 const char *suffix)
2576 {
2577 struct snd_ctl_elem_id id;
2578 memset(&id, 0, sizeof(id));
2579 set_ctl_name(id.name, name, suffix);
2580 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2581 return snd_ctl_remove_id(ac97->bus->card, &id);
2582 }
2583
2584 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2585 {
2586 struct snd_ctl_elem_id sid;
2587 memset(&sid, 0, sizeof(sid));
2588 set_ctl_name(sid.name, name, suffix);
2589 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2590 return snd_ctl_find_id(ac97->bus->card, &sid);
2591 }
2592
2593 /* rename the control with the given name and optional suffix */
2594 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
2595 const char *dst, const char *suffix)
2596 {
2597 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2598 if (kctl) {
2599 set_ctl_name(kctl->id.name, dst, suffix);
2600 return 0;
2601 }
2602 return -ENOENT;
2603 }
2604
2605 /* rename both Volume and Switch controls - don't check the return value */
2606 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
2607 const char *dst)
2608 {
2609 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2610 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2611 }
2612
2613 /* swap controls */
2614 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
2615 const char *s2, const char *suffix)
2616 {
2617 struct snd_kcontrol *kctl1, *kctl2;
2618 kctl1 = ctl_find(ac97, s1, suffix);
2619 kctl2 = ctl_find(ac97, s2, suffix);
2620 if (kctl1 && kctl2) {
2621 set_ctl_name(kctl1->id.name, s2, suffix);
2622 set_ctl_name(kctl2->id.name, s1, suffix);
2623 return 0;
2624 }
2625 return -ENOENT;
2626 }
2627
2628 #if 1
2629 /* bind hp and master controls instead of using only hp control */
2630 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2631 {
2632 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2633 if (err > 0) {
2634 unsigned long priv_saved = kcontrol->private_value;
2635 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2636 snd_ac97_put_volsw(kcontrol, ucontrol);
2637 kcontrol->private_value = priv_saved;
2638 }
2639 return err;
2640 }
2641
2642 /* ac97 tune: bind Master and Headphone controls */
2643 static int tune_hp_only(struct snd_ac97 *ac97)
2644 {
2645 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2646 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2647 if (! msw || ! mvol)
2648 return -ENOENT;
2649 msw->put = bind_hp_volsw_put;
2650 mvol->put = bind_hp_volsw_put;
2651 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2652 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2653 return 0;
2654 }
2655
2656 #else
2657 /* ac97 tune: use Headphone control as master */
2658 static int tune_hp_only(struct snd_ac97 *ac97)
2659 {
2660 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2661 return -ENOENT;
2662 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2663 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2664 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2665 return 0;
2666 }
2667 #endif
2668
2669 /* ac97 tune: swap Headphone and Master controls */
2670 static int tune_swap_hp(struct snd_ac97 *ac97)
2671 {
2672 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2673 return -ENOENT;
2674 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2675 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2676 return 0;
2677 }
2678
2679 /* ac97 tune: swap Surround and Master controls */
2680 static int tune_swap_surround(struct snd_ac97 *ac97)
2681 {
2682 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2683 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2684 return -ENOENT;
2685 return 0;
2686 }
2687
2688 /* ac97 tune: set up mic sharing for AD codecs */
2689 static int tune_ad_sharing(struct snd_ac97 *ac97)
2690 {
2691 unsigned short scfg;
2692 if ((ac97->id & 0xffffff00) != 0x41445300) {
2693 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2694 return -EINVAL;
2695 }
2696 /* Turn on OMS bit to route microphone to back panel */
2697 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2698 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2699 return 0;
2700 }
2701
2702 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2703 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2704
2705 /* ac97 tune: set up ALC jack-select */
2706 static int tune_alc_jack(struct snd_ac97 *ac97)
2707 {
2708 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2709 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2710 return -EINVAL;
2711 }
2712 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2713 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2714 if (ac97->id == AC97_ID_ALC658D)
2715 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2716 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2717 }
2718
2719 /* ac97 tune: inversed EAPD bit */
2720 static int tune_inv_eapd(struct snd_ac97 *ac97)
2721 {
2722 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2723 if (! kctl)
2724 return -ENOENT;
2725 set_inv_eapd(ac97, kctl);
2726 return 0;
2727 }
2728
2729 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2730 {
2731 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2732 if (err > 0) {
2733 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2734 int shift = (kcontrol->private_value >> 8) & 0x0f;
2735 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2736 unsigned short mask;
2737 if (shift != rshift)
2738 mask = 0x8080;
2739 else
2740 mask = 0x8000;
2741 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2742 (ac97->regs[AC97_MASTER] & mask) == mask ?
2743 0x8000 : 0);
2744 }
2745 return err;
2746 }
2747
2748 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2749 static int tune_mute_led(struct snd_ac97 *ac97)
2750 {
2751 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2752 if (! msw)
2753 return -ENOENT;
2754 msw->put = master_mute_sw_put;
2755 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2756 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2757 ac97->scaps |= AC97_SCAP_EAPD_LED;
2758 return 0;
2759 }
2760
2761 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2762 struct snd_ctl_elem_value *ucontrol)
2763 {
2764 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2765 if (err > 0) {
2766 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2767 int shift = (kcontrol->private_value >> 8) & 0x0f;
2768 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2769 unsigned short mask;
2770 if (shift != rshift)
2771 mask = 0x8080;
2772 else
2773 mask = 0x8000;
2774 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2775 (ac97->regs[AC97_MASTER] & mask) == mask ?
2776 0x8000 : 0);
2777 }
2778 return err;
2779 }
2780
2781 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2782 {
2783 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2784 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2785 if (! msw || ! mvol)
2786 return -ENOENT;
2787 msw->put = hp_master_mute_sw_put;
2788 mvol->put = bind_hp_volsw_put;
2789 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2790 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2791 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2792 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2793 return 0;
2794 }
2795
2796 struct quirk_table {
2797 const char *name;
2798 int (*func)(struct snd_ac97 *);
2799 };
2800
2801 static struct quirk_table applicable_quirks[] = {
2802 { "none", NULL },
2803 { "hp_only", tune_hp_only },
2804 { "swap_hp", tune_swap_hp },
2805 { "swap_surround", tune_swap_surround },
2806 { "ad_sharing", tune_ad_sharing },
2807 { "alc_jack", tune_alc_jack },
2808 { "inv_eapd", tune_inv_eapd },
2809 { "mute_led", tune_mute_led },
2810 { "hp_mute_led", tune_hp_mute_led },
2811 };
2812
2813 /* apply the quirk with the given type */
2814 static int apply_quirk(struct snd_ac97 *ac97, int type)
2815 {
2816 if (type <= 0)
2817 return 0;
2818 else if (type >= ARRAY_SIZE(applicable_quirks))
2819 return -EINVAL;
2820 if (applicable_quirks[type].func)
2821 return applicable_quirks[type].func(ac97);
2822 return 0;
2823 }
2824
2825 /* apply the quirk with the given name */
2826 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2827 {
2828 int i;
2829 struct quirk_table *q;
2830
2831 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2832 q = &applicable_quirks[i];
2833 if (q->name && ! strcmp(typestr, q->name))
2834 return apply_quirk(ac97, i);
2835 }
2836 /* for compatibility, accept the numbers, too */
2837 if (*typestr >= '0' && *typestr <= '9')
2838 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2839 return -EINVAL;
2840 }
2841
2842 /**
2843 * snd_ac97_tune_hardware - tune up the hardware
2844 * @ac97: the ac97 instance
2845 * @quirk: quirk list
2846 * @override: explicit quirk value (overrides the list if non-NULL)
2847 *
2848 * Do some workaround for each pci device, such as renaming of the
2849 * headphone (true line-out) control as "Master".
2850 * The quirk-list must be terminated with a zero-filled entry.
2851 *
2852 * Returns zero if successful, or a negative error code on failure.
2853 */
2854
2855 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2856 {
2857 int result;
2858
2859 /* quirk overriden? */
2860 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2861 result = apply_quirk_str(ac97, override);
2862 if (result < 0)
2863 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2864 return result;
2865 }
2866
2867 if (! quirk)
2868 return -EINVAL;
2869
2870 for (; quirk->subvendor; quirk++) {
2871 if (quirk->subvendor != ac97->subsystem_vendor)
2872 continue;
2873 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2874 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2875 if (quirk->codec_id && quirk->codec_id != ac97->id)
2876 continue;
2877 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2878 result = apply_quirk(ac97, quirk->type);
2879 if (result < 0)
2880 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2881 return result;
2882 }
2883 }
2884 return 0;
2885 }
2886
2887 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2888
2889 /*
2890 * INIT part
2891 */
2892
2893 static int __init alsa_ac97_init(void)
2894 {
2895 return 0;
2896 }
2897
2898 static void __exit alsa_ac97_exit(void)
2899 {
2900 }
2901
2902 module_init(alsa_ac97_init)
2903 module_exit(alsa_ac97_exit)
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