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[ALSA] ac97 - Move EXPORT_SYMBOL() to adjacent to each function
[linux-2.6/zen-sources.git] / sound / pci / ac97 / ac97_codec.c
blob72e33b9532f078f73d27c8b667d04b374cfb5b14
1 /*
2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * Universal interface for Audio Codec '97
4 *
5 * For more details look to AC '97 component specification revision 2.2
6 * by Intel Corporation (http://developer.intel.com).
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25 #include <sound/driver.h>
26 #include <linux/delay.h>
27 #include <linux/init.h>
28 #include <linux/slab.h>
29 #include <linux/pci.h>
30 #include <linux/moduleparam.h>
31 #include <linux/mutex.h>
32 #include <sound/core.h>
33 #include <sound/pcm.h>
34 #include <sound/ac97_codec.h>
35 #include <sound/asoundef.h>
36 #include <sound/initval.h>
37 #include "ac97_local.h"
38 #include "ac97_id.h"
39 #include "ac97_patch.h"
40
41 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.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 /*
51
52 */
53
54 struct ac97_codec_id {
55 unsigned int id;
56 unsigned int mask;
57 const char *name;
58 int (*patch)(struct snd_ac97 *ac97);
59 int (*mpatch)(struct snd_ac97 *ac97);
60 unsigned int flags;
61 };
62
63 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
64 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
65 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
66 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
67 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
68 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
69 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
70 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
71 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
72 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
73 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
74 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
75 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
76 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
77 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
78 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
79 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
80 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
81 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
82 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
83 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
84 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
85 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
86 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
87 { 0, 0, NULL, NULL, NULL }
88 };
89
90 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
91 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
92 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
93 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
94 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
95 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
96 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
97 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
98 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
99 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
100 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
101 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
102 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
103 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
104 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
105 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
106 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
107 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
108 { 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL },
109 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
110 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
111 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
112 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
113 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
114 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
115 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
116 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
117 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
118 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
119 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
120 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
121 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
122 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
123 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
124 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
125 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
126 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
127 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
128 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
129 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
130 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
131 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
132 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
133 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
134 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
135 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
136 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
137 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
138 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
139 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
140 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
141 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
142 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
143 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
144 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
145 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
146 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
147 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
148 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
149 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
150 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
151 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
152 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
153 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
154 { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
155 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
156 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
157 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
158 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
159 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
160 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
161 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
162 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
163 { 0x56494182, 0xffffffff, "VIA1618", NULL, NULL },
164 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
165 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
166 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
167 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
168 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
169 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
170 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
171 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
172 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
173 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
174 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
175 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
176 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
177 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
178 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
179 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
180 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
181 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
182 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
183 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
184 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
185 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
186 { 0, 0, NULL, NULL, NULL }
187 };
188
189
190 /*
191 * I/O routines
192 */
193
194 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
195 {
196 /* filter some registers for buggy codecs */
197 switch (ac97->id) {
198 case AC97_ID_AK4540:
199 case AC97_ID_AK4542:
200 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
201 return 1;
202 return 0;
203 case AC97_ID_AD1819: /* AD1819 */
204 case AC97_ID_AD1881: /* AD1881 */
205 case AC97_ID_AD1881A: /* AD1881A */
206 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
207 return 0;
208 return 1;
209 case AC97_ID_AD1885: /* AD1885 */
210 case AC97_ID_AD1886: /* AD1886 */
211 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
212 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
213 if (reg == 0x5a)
214 return 1;
215 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
216 return 0;
217 return 1;
218 case AC97_ID_STAC9700:
219 case AC97_ID_STAC9704:
220 case AC97_ID_STAC9705:
221 case AC97_ID_STAC9708:
222 case AC97_ID_STAC9721:
223 case AC97_ID_STAC9744:
224 case AC97_ID_STAC9756:
225 if (reg <= 0x3a || reg >= 0x5a)
226 return 1;
227 return 0;
228 }
229 return 1;
230 }
231
232 /**
233 * snd_ac97_write - write a value on the given register
234 * @ac97: the ac97 instance
235 * @reg: the register to change
236 * @value: the value to set
237 *
238 * Writes a value on the given register. This will invoke the write
239 * callback directly after the register check.
240 * This function doesn't change the register cache unlike
241 * #snd_ca97_write_cache(), so use this only when you don't want to
242 * reflect the change to the suspend/resume state.
243 */
244 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
245 {
246 if (!snd_ac97_valid_reg(ac97, reg))
247 return;
248 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
249 /* Fix H/W bug of ALC100/100P */
250 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
251 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
252 }
253 ac97->bus->ops->write(ac97, reg, value);
254 }
255
256 EXPORT_SYMBOL(snd_ac97_write);
257
258 /**
259 * snd_ac97_read - read a value from the given register
260 *
261 * @ac97: the ac97 instance
262 * @reg: the register to read
263 *
264 * Reads a value from the given register. This will invoke the read
265 * callback directly after the register check.
266 *
267 * Returns the read value.
268 */
269 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
270 {
271 if (!snd_ac97_valid_reg(ac97, reg))
272 return 0;
273 return ac97->bus->ops->read(ac97, reg);
274 }
275
276 /* read a register - return the cached value if already read */
277 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
278 {
279 if (! test_bit(reg, ac97->reg_accessed)) {
280 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
281 // set_bit(reg, ac97->reg_accessed);
282 }
283 return ac97->regs[reg];
284 }
285
286 EXPORT_SYMBOL(snd_ac97_read);
287
288 /**
289 * snd_ac97_write_cache - write a value on the given register and update the cache
290 * @ac97: the ac97 instance
291 * @reg: the register to change
292 * @value: the value to set
293 *
294 * Writes a value on the given register and updates the register
295 * cache. The cached values are used for the cached-read and the
296 * suspend/resume.
297 */
298 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
299 {
300 if (!snd_ac97_valid_reg(ac97, reg))
301 return;
302 mutex_lock(&ac97->reg_mutex);
303 ac97->regs[reg] = value;
304 ac97->bus->ops->write(ac97, reg, value);
305 set_bit(reg, ac97->reg_accessed);
306 mutex_unlock(&ac97->reg_mutex);
307 }
308
309 EXPORT_SYMBOL(snd_ac97_write_cache);
310
311 /**
312 * snd_ac97_update - update the value on the given register
313 * @ac97: the ac97 instance
314 * @reg: the register to change
315 * @value: the value to set
316 *
317 * Compares the value with the register cache and updates the value
318 * only when the value is changed.
319 *
320 * Returns 1 if the value is changed, 0 if no change, or a negative
321 * code on failure.
322 */
323 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
324 {
325 int change;
326
327 if (!snd_ac97_valid_reg(ac97, reg))
328 return -EINVAL;
329 mutex_lock(&ac97->reg_mutex);
330 change = ac97->regs[reg] != value;
331 if (change) {
332 ac97->regs[reg] = value;
333 ac97->bus->ops->write(ac97, reg, value);
334 }
335 set_bit(reg, ac97->reg_accessed);
336 mutex_unlock(&ac97->reg_mutex);
337 return change;
338 }
339
340 EXPORT_SYMBOL(snd_ac97_update);
341
342 /**
343 * snd_ac97_update_bits - update the bits on the given register
344 * @ac97: the ac97 instance
345 * @reg: the register to change
346 * @mask: the bit-mask to change
347 * @value: the value to set
348 *
349 * Updates the masked-bits on the given register only when the value
350 * is changed.
351 *
352 * Returns 1 if the bits are changed, 0 if no change, or a negative
353 * code on failure.
354 */
355 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
356 {
357 int change;
358
359 if (!snd_ac97_valid_reg(ac97, reg))
360 return -EINVAL;
361 mutex_lock(&ac97->reg_mutex);
362 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
363 mutex_unlock(&ac97->reg_mutex);
364 return change;
365 }
366
367 EXPORT_SYMBOL(snd_ac97_update_bits);
368
369 /* no lock version - see snd_ac97_updat_bits() */
370 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
371 unsigned short mask, unsigned short value)
372 {
373 int change;
374 unsigned short old, new;
375
376 old = snd_ac97_read_cache(ac97, reg);
377 new = (old & ~mask) | value;
378 change = old != new;
379 if (change) {
380 ac97->regs[reg] = new;
381 ac97->bus->ops->write(ac97, reg, new);
382 }
383 set_bit(reg, ac97->reg_accessed);
384 return change;
385 }
386
387 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
388 {
389 int change;
390 unsigned short old, new, cfg;
391
392 mutex_lock(&ac97->page_mutex);
393 old = ac97->spec.ad18xx.pcmreg[codec];
394 new = (old & ~mask) | value;
395 change = old != new;
396 if (change) {
397 mutex_lock(&ac97->reg_mutex);
398 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
399 ac97->spec.ad18xx.pcmreg[codec] = new;
400 /* select single codec */
401 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
402 (cfg & ~0x7000) |
403 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
404 /* update PCM bits */
405 ac97->bus->ops->write(ac97, AC97_PCM, new);
406 /* select all codecs */
407 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
408 cfg | 0x7000);
409 mutex_unlock(&ac97->reg_mutex);
410 }
411 mutex_unlock(&ac97->page_mutex);
412 return change;
413 }
414
415 /*
416 * Controls
417 */
418
419 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
420 {
421 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
422
423 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
424 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
425 uinfo->value.enumerated.items = e->mask;
426
427 if (uinfo->value.enumerated.item > e->mask - 1)
428 uinfo->value.enumerated.item = e->mask - 1;
429 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
430 return 0;
431 }
432
433 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
434 {
435 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
436 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
437 unsigned short val, bitmask;
438
439 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
440 ;
441 val = snd_ac97_read_cache(ac97, e->reg);
442 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
443 if (e->shift_l != e->shift_r)
444 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
445
446 return 0;
447 }
448
449 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
450 {
451 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
452 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
453 unsigned short val;
454 unsigned short mask, bitmask;
455
456 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
457 ;
458 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
459 return -EINVAL;
460 val = ucontrol->value.enumerated.item[0] << e->shift_l;
461 mask = (bitmask - 1) << e->shift_l;
462 if (e->shift_l != e->shift_r) {
463 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
464 return -EINVAL;
465 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
466 mask |= (bitmask - 1) << e->shift_r;
467 }
468 return snd_ac97_update_bits(ac97, e->reg, mask, val);
469 }
470
471 /* save/restore ac97 v2.3 paging */
472 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
473 {
474 int page_save = -1;
475 if ((kcontrol->private_value & (1<<25)) &&
476 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
477 (reg >= 0x60 && reg < 0x70)) {
478 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
479 mutex_lock(&ac97->page_mutex); /* lock paging */
480 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
481 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
482 }
483 return page_save;
484 }
485
486 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
487 {
488 if (page_save >= 0) {
489 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
490 mutex_unlock(&ac97->page_mutex); /* unlock paging */
491 }
492 }
493
494 /* volume and switch controls */
495 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
496 {
497 int mask = (kcontrol->private_value >> 16) & 0xff;
498 int shift = (kcontrol->private_value >> 8) & 0x0f;
499 int rshift = (kcontrol->private_value >> 12) & 0x0f;
500
501 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
502 uinfo->count = shift == rshift ? 1 : 2;
503 uinfo->value.integer.min = 0;
504 uinfo->value.integer.max = mask;
505 return 0;
506 }
507
508 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
509 {
510 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
511 int reg = kcontrol->private_value & 0xff;
512 int shift = (kcontrol->private_value >> 8) & 0x0f;
513 int rshift = (kcontrol->private_value >> 12) & 0x0f;
514 int mask = (kcontrol->private_value >> 16) & 0xff;
515 int invert = (kcontrol->private_value >> 24) & 0x01;
516 int page_save;
517
518 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
519 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
520 if (shift != rshift)
521 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
522 if (invert) {
523 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
524 if (shift != rshift)
525 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
526 }
527 snd_ac97_page_restore(ac97, page_save);
528 return 0;
529 }
530
531 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
532 {
533 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
534 int reg = kcontrol->private_value & 0xff;
535 int shift = (kcontrol->private_value >> 8) & 0x0f;
536 int rshift = (kcontrol->private_value >> 12) & 0x0f;
537 int mask = (kcontrol->private_value >> 16) & 0xff;
538 int invert = (kcontrol->private_value >> 24) & 0x01;
539 int err, page_save;
540 unsigned short val, val2, val_mask;
541
542 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
543 val = (ucontrol->value.integer.value[0] & mask);
544 if (invert)
545 val = mask - val;
546 val_mask = mask << shift;
547 val = val << shift;
548 if (shift != rshift) {
549 val2 = (ucontrol->value.integer.value[1] & mask);
550 if (invert)
551 val2 = mask - val2;
552 val_mask |= mask << rshift;
553 val |= val2 << rshift;
554 }
555 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
556 snd_ac97_page_restore(ac97, page_save);
557 return err;
558 }
559
560 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
561 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
562 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
563 };
564
565 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
566 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
567 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
568 };
569
570 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
571 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
572 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
573 };
574
575 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
576 AC97_SINGLE("Mic Boost (+20dB) Switch", AC97_MIC, 6, 1, 0);
577
578
579 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
580 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
581 static const char* std_mix[] = {"Mix", "Mic"};
582 static const char* std_mic[] = {"Mic1", "Mic2"};
583
584 static const struct ac97_enum std_enum[] = {
585 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
586 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
587 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
588 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
589 };
590
591 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
592 AC97_ENUM("Capture Source", std_enum[0]);
593
594 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
595 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
596
597 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
598 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
599 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
600 };
601
602 enum {
603 AC97_GENERAL_PCM_OUT = 0,
604 AC97_GENERAL_STEREO_ENHANCEMENT,
605 AC97_GENERAL_3D,
606 AC97_GENERAL_LOUDNESS,
607 AC97_GENERAL_MONO,
608 AC97_GENERAL_MIC,
609 AC97_GENERAL_LOOPBACK
610 };
611
612 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
613 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
614 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
615 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
616 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
617 AC97_ENUM("Mono Output Select", std_enum[2]),
618 AC97_ENUM("Mic Select Capture Switch", std_enum[3]),
619 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
620 };
621
622 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
623 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
624 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
625 };
626
627 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
628 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
629 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
630 };
631
632 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
633 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
634 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
635 };
636
637 static const struct snd_kcontrol_new snd_ac97_control_eapd =
638 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
639
640 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
641 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
642 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
643 };
644
645 /* change the existing EAPD control as inverted */
646 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
647 {
648 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
649 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
650 ac97->scaps |= AC97_SCAP_INV_EAPD;
651 }
652
653 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
654 {
655 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
656 uinfo->count = 1;
657 return 0;
658 }
659
660 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
661 {
662 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
663 IEC958_AES0_NONAUDIO |
664 IEC958_AES0_CON_EMPHASIS_5015 |
665 IEC958_AES0_CON_NOT_COPYRIGHT;
666 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
667 IEC958_AES1_CON_ORIGINAL;
668 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
669 return 0;
670 }
671
672 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
673 {
674 /* FIXME: AC'97 spec doesn't say which bits are used for what */
675 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
676 IEC958_AES0_NONAUDIO |
677 IEC958_AES0_PRO_FS |
678 IEC958_AES0_PRO_EMPHASIS_5015;
679 return 0;
680 }
681
682 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
683 {
684 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
685
686 mutex_lock(&ac97->reg_mutex);
687 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
688 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
689 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
690 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
691 mutex_unlock(&ac97->reg_mutex);
692 return 0;
693 }
694
695 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
696 {
697 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
698 unsigned int new = 0;
699 unsigned short val = 0;
700 int change;
701
702 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
703 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
704 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
705 switch (new & IEC958_AES0_PRO_FS) {
706 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
707 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
708 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
709 default: val |= 1<<12; break;
710 }
711 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
712 val |= 1<<3;
713 } else {
714 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
715 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
716 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
717 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
718 val |= 1<<3;
719 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
720 val |= 1<<2;
721 val |= ((new >> 8) & 0xff) << 4; // category + original
722 switch ((new >> 24) & 0xff) {
723 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
724 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
725 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
726 default: val |= 1<<12; break;
727 }
728 }
729
730 mutex_lock(&ac97->reg_mutex);
731 change = ac97->spdif_status != new;
732 ac97->spdif_status = new;
733
734 if (ac97->flags & AC97_CS_SPDIF) {
735 int x = (val >> 12) & 0x03;
736 switch (x) {
737 case 0: x = 1; break; // 44.1
738 case 2: x = 0; break; // 48.0
739 default: x = 0; break; // illegal.
740 }
741 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
742 } else if (ac97->flags & AC97_CX_SPDIF) {
743 int v;
744 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
745 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
746 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
747 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
748 v);
749 } else {
750 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
751 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
752
753 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
754 if (extst & AC97_EA_SPDIF) {
755 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
756 }
757 }
758 mutex_unlock(&ac97->reg_mutex);
759
760 return change;
761 }
762
763 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
764 {
765 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
766 int reg = kcontrol->private_value & 0xff;
767 int shift = (kcontrol->private_value >> 8) & 0xff;
768 int mask = (kcontrol->private_value >> 16) & 0xff;
769 // int invert = (kcontrol->private_value >> 24) & 0xff;
770 unsigned short value, old, new;
771 int change;
772
773 value = (ucontrol->value.integer.value[0] & mask);
774
775 mutex_lock(&ac97->reg_mutex);
776 mask <<= shift;
777 value <<= shift;
778 old = snd_ac97_read_cache(ac97, reg);
779 new = (old & ~mask) | value;
780 change = old != new;
781
782 if (change) {
783 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
784 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
785 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
786 if (extst & AC97_EA_SPDIF)
787 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
788 }
789 mutex_unlock(&ac97->reg_mutex);
790 return change;
791 }
792
793 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
794 {
795 .access = SNDRV_CTL_ELEM_ACCESS_READ,
796 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
797 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
798 .info = snd_ac97_spdif_mask_info,
799 .get = snd_ac97_spdif_cmask_get,
800 },
801 {
802 .access = SNDRV_CTL_ELEM_ACCESS_READ,
803 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
804 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
805 .info = snd_ac97_spdif_mask_info,
806 .get = snd_ac97_spdif_pmask_get,
807 },
808 {
809 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
810 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
811 .info = snd_ac97_spdif_mask_info,
812 .get = snd_ac97_spdif_default_get,
813 .put = snd_ac97_spdif_default_put,
814 },
815
816 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
817 {
818 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
819 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
820 .info = snd_ac97_info_volsw,
821 .get = snd_ac97_get_volsw,
822 .put = snd_ac97_put_spsa,
823 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
824 },
825 };
826
827 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
828 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
829 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
830 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
831
832 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
833 {
834 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
835 int mask = (kcontrol->private_value >> 16) & 0x0f;
836 int lshift = (kcontrol->private_value >> 8) & 0x0f;
837 int rshift = (kcontrol->private_value >> 12) & 0x0f;
838
839 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
840 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
841 uinfo->count = 2;
842 else
843 uinfo->count = 1;
844 uinfo->value.integer.min = 0;
845 uinfo->value.integer.max = mask;
846 return 0;
847 }
848
849 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
850 {
851 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
852 int codec = kcontrol->private_value & 3;
853 int lshift = (kcontrol->private_value >> 8) & 0x0f;
854 int rshift = (kcontrol->private_value >> 12) & 0x0f;
855 int mask = (kcontrol->private_value >> 16) & 0xff;
856
857 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
858 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
859 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
860 return 0;
861 }
862
863 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
864 {
865 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
866 int codec = kcontrol->private_value & 3;
867 int lshift = (kcontrol->private_value >> 8) & 0x0f;
868 int rshift = (kcontrol->private_value >> 12) & 0x0f;
869 int mask = (kcontrol->private_value >> 16) & 0xff;
870 unsigned short val, valmask;
871
872 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
873 valmask = mask << lshift;
874 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
875 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
876 valmask |= mask << rshift;
877 }
878 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
879 }
880
881 #define AD18XX_PCM_VOLUME(xname, codec) \
882 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
883 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
884 .private_value = codec }
885
886 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
887 {
888 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
889 uinfo->count = 2;
890 uinfo->value.integer.min = 0;
891 uinfo->value.integer.max = 31;
892 return 0;
893 }
894
895 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
896 {
897 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
898 int codec = kcontrol->private_value & 3;
899
900 mutex_lock(&ac97->page_mutex);
901 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
902 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
903 mutex_unlock(&ac97->page_mutex);
904 return 0;
905 }
906
907 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
908 {
909 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
910 int codec = kcontrol->private_value & 3;
911 unsigned short val1, val2;
912
913 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
914 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
915 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
916 }
917
918 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
919 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
920 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
921 };
922
923 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
924 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
925 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
926 };
927
928 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
929 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
930 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
931 };
932
933 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
934 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
935 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
936 };
937
938 /*
939 *
940 */
941
942 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
943
944 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
945 {
946 if (bus) {
947 snd_ac97_bus_proc_done(bus);
948 kfree(bus->pcms);
949 if (bus->private_free)
950 bus->private_free(bus);
951 kfree(bus);
952 }
953 return 0;
954 }
955
956 static int snd_ac97_bus_dev_free(struct snd_device *device)
957 {
958 struct snd_ac97_bus *bus = device->device_data;
959 return snd_ac97_bus_free(bus);
960 }
961
962 static int snd_ac97_free(struct snd_ac97 *ac97)
963 {
964 if (ac97) {
965 snd_ac97_proc_done(ac97);
966 if (ac97->bus)
967 ac97->bus->codec[ac97->num] = NULL;
968 if (ac97->private_free)
969 ac97->private_free(ac97);
970 kfree(ac97);
971 }
972 return 0;
973 }
974
975 static int snd_ac97_dev_free(struct snd_device *device)
976 {
977 struct snd_ac97 *ac97 = device->device_data;
978 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
979 return snd_ac97_free(ac97);
980 }
981
982 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
983 {
984 unsigned short val, mask = 0x8000;
985
986 if (! snd_ac97_valid_reg(ac97, reg))
987 return 0;
988
989 switch (reg) {
990 case AC97_MASTER_TONE:
991 return ac97->caps & 0x04 ? 1 : 0;
992 case AC97_HEADPHONE:
993 return ac97->caps & 0x10 ? 1 : 0;
994 case AC97_REC_GAIN_MIC:
995 return ac97->caps & 0x01 ? 1 : 0;
996 case AC97_3D_CONTROL:
997 if (ac97->caps & 0x7c00) {
998 val = snd_ac97_read(ac97, reg);
999 /* if nonzero - fixed and we can't set it */
1000 return val == 0;
1001 }
1002 return 0;
1003 case AC97_CENTER_LFE_MASTER: /* center */
1004 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1005 return 0;
1006 break;
1007 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1008 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1009 return 0;
1010 reg = AC97_CENTER_LFE_MASTER;
1011 mask = 0x0080;
1012 break;
1013 case AC97_SURROUND_MASTER:
1014 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1015 return 0;
1016 break;
1017 }
1018
1019 val = snd_ac97_read(ac97, reg);
1020 if (!(val & mask)) {
1021 /* nothing seems to be here - mute flag is not set */
1022 /* try another test */
1023 snd_ac97_write_cache(ac97, reg, val | mask);
1024 val = snd_ac97_read(ac97, reg);
1025 val = snd_ac97_read(ac97, reg);
1026 if (!(val & mask))
1027 return 0; /* nothing here */
1028 }
1029 return 1; /* success, useable */
1030 }
1031
1032 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1033 {
1034 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1035 unsigned char max[3] = { 63, 31, 15 };
1036 int i;
1037
1038 /* first look up the static resolution table */
1039 if (ac97->res_table) {
1040 const struct snd_ac97_res_table *tbl;
1041 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1042 if (tbl->reg == reg) {
1043 *lo_max = tbl->bits & 0xff;
1044 *hi_max = (tbl->bits >> 8) & 0xff;
1045 return;
1046 }
1047 }
1048 }
1049
1050 *lo_max = *hi_max = 0;
1051 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1052 unsigned short val;
1053 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1054 /* Do the read twice due to buffers on some ac97 codecs.
1055 * e.g. The STAC9704 returns exactly what you wrote the the register
1056 * if you read it immediately. This causes the detect routine to fail.
1057 */
1058 val = snd_ac97_read(ac97, reg);
1059 val = snd_ac97_read(ac97, reg);
1060 if (! *lo_max && (val & 0x7f) == cbit[i])
1061 *lo_max = max[i];
1062 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1063 *hi_max = max[i];
1064 if (*lo_max && *hi_max)
1065 break;
1066 }
1067 }
1068
1069 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1070 {
1071 unsigned short mask, val, orig, res;
1072
1073 mask = 1 << bit;
1074 orig = snd_ac97_read(ac97, reg);
1075 val = orig ^ mask;
1076 snd_ac97_write(ac97, reg, val);
1077 res = snd_ac97_read(ac97, reg);
1078 snd_ac97_write_cache(ac97, reg, orig);
1079 return res == val;
1080 }
1081
1082 /* check the volume resolution of center/lfe */
1083 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1084 {
1085 unsigned short val, val1;
1086
1087 *max = 63;
1088 val = 0x8080 | (0x20 << shift);
1089 snd_ac97_write(ac97, reg, val);
1090 val1 = snd_ac97_read(ac97, reg);
1091 if (val != val1) {
1092 *max = 31;
1093 }
1094 /* reset volume to zero */
1095 snd_ac97_write_cache(ac97, reg, 0x8080);
1096 }
1097
1098 static inline int printable(unsigned int x)
1099 {
1100 x &= 0xff;
1101 if (x < ' ' || x >= 0x71) {
1102 if (x <= 0x89)
1103 return x - 0x71 + 'A';
1104 return '?';
1105 }
1106 return x;
1107 }
1108
1109 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1110 {
1111 struct snd_kcontrol_new template;
1112 memcpy(&template, _template, sizeof(template));
1113 template.index = ac97->num;
1114 return snd_ctl_new1(&template, ac97);
1115 }
1116
1117 /*
1118 * create mute switch(es) for normal stereo controls
1119 */
1120 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, int check_stereo, struct snd_ac97 *ac97)
1121 {
1122 struct snd_kcontrol *kctl;
1123 int err;
1124 unsigned short val, val1, mute_mask;
1125
1126 if (! snd_ac97_valid_reg(ac97, reg))
1127 return 0;
1128
1129 mute_mask = 0x8000;
1130 val = snd_ac97_read(ac97, reg);
1131 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1132 /* check whether both mute bits work */
1133 val1 = val | 0x8080;
1134 snd_ac97_write(ac97, reg, val1);
1135 if (val1 == snd_ac97_read(ac97, reg))
1136 mute_mask = 0x8080;
1137 }
1138 if (mute_mask == 0x8080) {
1139 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1140 tmp.index = ac97->num;
1141 kctl = snd_ctl_new1(&tmp, ac97);
1142 } else {
1143 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1144 tmp.index = ac97->num;
1145 kctl = snd_ctl_new1(&tmp, ac97);
1146 }
1147 err = snd_ctl_add(card, kctl);
1148 if (err < 0)
1149 return err;
1150 /* mute as default */
1151 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1152 return 0;
1153 }
1154
1155 /*
1156 * create a volume for normal stereo/mono controls
1157 */
1158 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1159 unsigned int hi_max, struct snd_ac97 *ac97)
1160 {
1161 int err;
1162 struct snd_kcontrol *kctl;
1163
1164 if (! snd_ac97_valid_reg(ac97, reg))
1165 return 0;
1166 if (hi_max) {
1167 /* invert */
1168 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1169 tmp.index = ac97->num;
1170 kctl = snd_ctl_new1(&tmp, ac97);
1171 } else {
1172 /* invert */
1173 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1174 tmp.index = ac97->num;
1175 kctl = snd_ctl_new1(&tmp, ac97);
1176 }
1177 err = snd_ctl_add(card, kctl);
1178 if (err < 0)
1179 return err;
1180 snd_ac97_write_cache(ac97, reg,
1181 (snd_ac97_read(ac97, reg) & 0x8080) |
1182 lo_max | (hi_max << 8));
1183 return 0;
1184 }
1185
1186 /*
1187 * create a mute-switch and a volume for normal stereo/mono controls
1188 */
1189 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, int reg, int check_stereo, struct snd_ac97 *ac97)
1190 {
1191 int err;
1192 char name[44];
1193 unsigned char lo_max, hi_max;
1194
1195 if (! snd_ac97_valid_reg(ac97, reg))
1196 return 0;
1197
1198 if (snd_ac97_try_bit(ac97, reg, 15)) {
1199 sprintf(name, "%s Switch", pfx);
1200 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1201 return err;
1202 }
1203 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1204 if (lo_max) {
1205 sprintf(name, "%s Volume", pfx);
1206 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1207 return err;
1208 }
1209 return 0;
1210 }
1211
1212 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1213 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1214
1215 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1216
1217 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1218 {
1219 struct snd_card *card = ac97->bus->card;
1220 struct snd_kcontrol *kctl;
1221 int err;
1222 unsigned int idx;
1223 unsigned char max;
1224
1225 /* build master controls */
1226 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1227 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1228 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1229 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1230 else
1231 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1232 if (err < 0)
1233 return err;
1234 }
1235
1236 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1237
1238 /* build center controls */
1239 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1240 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1241 return err;
1242 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1243 return err;
1244 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1245 kctl->private_value &= ~(0xff << 16);
1246 kctl->private_value |= (int)max << 16;
1247 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1248 }
1249
1250 /* build LFE controls */
1251 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1252 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1253 return err;
1254 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1255 return err;
1256 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1257 kctl->private_value &= ~(0xff << 16);
1258 kctl->private_value |= (int)max << 16;
1259 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1260 }
1261
1262 /* build surround controls */
1263 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1264 /* Surround Master (0x38) is with stereo mutes */
1265 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1266 return err;
1267 }
1268
1269 /* build headphone controls */
1270 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1271 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1272 return err;
1273 }
1274
1275 /* build master mono controls */
1276 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1277 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1278 return err;
1279 }
1280
1281 /* build master tone controls */
1282 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1283 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1284 for (idx = 0; idx < 2; idx++) {
1285 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1286 return err;
1287 if (ac97->id == AC97_ID_YMF753) {
1288 kctl->private_value &= ~(0xff << 16);
1289 kctl->private_value |= 7 << 16;
1290 }
1291 }
1292 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1293 }
1294 }
1295
1296 /* build PC Speaker controls */
1297 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1298 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1299 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1300 for (idx = 0; idx < 2; idx++)
1301 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1302 return err;
1303 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1304 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1305 }
1306
1307 /* build Phone controls */
1308 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1309 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1310 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1311 return err;
1312 }
1313 }
1314
1315 /* build MIC controls */
1316 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1317 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1318 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1319 return err;
1320 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1321 return err;
1322 }
1323 }
1324
1325 /* build Line controls */
1326 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1327 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1328 return err;
1329 }
1330
1331 /* build CD controls */
1332 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1333 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1334 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1335 return err;
1336 }
1337 }
1338
1339 /* build Video controls */
1340 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1341 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1342 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1343 return err;
1344 }
1345 }
1346
1347 /* build Aux controls */
1348 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1349 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1350 return err;
1351 }
1352
1353 /* build PCM controls */
1354 if (ac97->flags & AC97_AD_MULTI) {
1355 unsigned short init_val;
1356 if (ac97->flags & AC97_STEREO_MUTES)
1357 init_val = 0x9f9f;
1358 else
1359 init_val = 0x9f1f;
1360 for (idx = 0; idx < 2; idx++)
1361 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1362 return err;
1363 ac97->spec.ad18xx.pcmreg[0] = init_val;
1364 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1365 for (idx = 0; idx < 2; idx++)
1366 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1367 return err;
1368 ac97->spec.ad18xx.pcmreg[1] = init_val;
1369 }
1370 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1371 for (idx = 0; idx < 2; idx++)
1372 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1373 return err;
1374 for (idx = 0; idx < 2; idx++)
1375 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1376 return err;
1377 ac97->spec.ad18xx.pcmreg[2] = init_val;
1378 }
1379 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1380 } else {
1381 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1382 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1383 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1384 else
1385 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1386 if (err < 0)
1387 return err;
1388 }
1389 }
1390
1391 /* build Capture controls */
1392 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1393 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1394 return err;
1395 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1396 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1397 return err;
1398 }
1399 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1400 return err;
1401 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1402 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1403 }
1404 /* build MIC Capture controls */
1405 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1406 for (idx = 0; idx < 2; idx++)
1407 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1408 return err;
1409 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1410 }
1411
1412 /* build PCM out path & mute control */
1413 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1414 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1415 return err;
1416 }
1417
1418 /* build Simulated Stereo Enhancement control */
1419 if (ac97->caps & 0x0008) {
1420 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1421 return err;
1422 }
1423
1424 /* build 3D Stereo Enhancement control */
1425 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1426 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1427 return err;
1428 }
1429
1430 /* build Loudness control */
1431 if (ac97->caps & 0x0020) {
1432 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1433 return err;
1434 }
1435
1436 /* build Mono output select control */
1437 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1438 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1439 return err;
1440 }
1441
1442 /* build Mic select control */
1443 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1444 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1445 return err;
1446 }
1447
1448 /* build ADC/DAC loopback control */
1449 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1450 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1451 return err;
1452 }
1453
1454 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1455
1456 /* build 3D controls */
1457 if (ac97->build_ops->build_3d) {
1458 ac97->build_ops->build_3d(ac97);
1459 } else {
1460 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1461 unsigned short val;
1462 val = 0x0707;
1463 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1464 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1465 val = val == 0x0606;
1466 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1467 return err;
1468 if (val)
1469 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1470 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1471 return err;
1472 if (val)
1473 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1474 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1475 }
1476 }
1477
1478 /* build S/PDIF controls */
1479 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1480 if (ac97->build_ops->build_spdif) {
1481 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1482 return err;
1483 } else {
1484 for (idx = 0; idx < 5; idx++)
1485 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1486 return err;
1487 if (ac97->build_ops->build_post_spdif) {
1488 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1489 return err;
1490 }
1491 /* set default PCM S/PDIF params */
1492 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1493 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1494 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1495 }
1496 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1497 }
1498
1499 /* build chip specific controls */
1500 if (ac97->build_ops->build_specific)
1501 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1502 return err;
1503
1504 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1505 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1506 if (! kctl)
1507 return -ENOMEM;
1508 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1509 set_inv_eapd(ac97, kctl);
1510 if ((err = snd_ctl_add(card, kctl)) < 0)
1511 return err;
1512 }
1513
1514 return 0;
1515 }
1516
1517 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1518 {
1519 int err, idx;
1520
1521 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1522 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1523 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1524 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1525 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1526 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1527
1528 /* build modem switches */
1529 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1530 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1531 return err;
1532
1533 /* build chip specific controls */
1534 if (ac97->build_ops->build_specific)
1535 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1536 return err;
1537
1538 return 0;
1539 }
1540
1541 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1542 {
1543 unsigned short val;
1544 unsigned int tmp;
1545
1546 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1547 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1548 if (shadow_reg)
1549 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1550 val = snd_ac97_read(ac97, reg);
1551 return val == (tmp & 0xffff);
1552 }
1553
1554 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1555 {
1556 unsigned int result = 0;
1557 unsigned short saved;
1558
1559 if (ac97->bus->no_vra) {
1560 *r_result = SNDRV_PCM_RATE_48000;
1561 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1562 reg == AC97_PCM_FRONT_DAC_RATE)
1563 *r_result |= SNDRV_PCM_RATE_96000;
1564 return;
1565 }
1566
1567 saved = snd_ac97_read(ac97, reg);
1568 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1569 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1570 AC97_EA_DRA, 0);
1571 /* test a non-standard rate */
1572 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1573 result |= SNDRV_PCM_RATE_CONTINUOUS;
1574 /* let's try to obtain standard rates */
1575 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1576 result |= SNDRV_PCM_RATE_8000;
1577 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1578 result |= SNDRV_PCM_RATE_11025;
1579 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1580 result |= SNDRV_PCM_RATE_16000;
1581 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1582 result |= SNDRV_PCM_RATE_22050;
1583 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1584 result |= SNDRV_PCM_RATE_32000;
1585 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1586 result |= SNDRV_PCM_RATE_44100;
1587 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1588 result |= SNDRV_PCM_RATE_48000;
1589 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1590 reg == AC97_PCM_FRONT_DAC_RATE) {
1591 /* test standard double rates */
1592 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1593 AC97_EA_DRA, AC97_EA_DRA);
1594 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1595 result |= SNDRV_PCM_RATE_64000;
1596 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1597 result |= SNDRV_PCM_RATE_88200;
1598 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1599 result |= SNDRV_PCM_RATE_96000;
1600 /* some codecs don't support variable double rates */
1601 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1602 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1603 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1604 AC97_EA_DRA, 0);
1605 }
1606 /* restore the default value */
1607 snd_ac97_write_cache(ac97, reg, saved);
1608 if (shadow_reg)
1609 snd_ac97_write_cache(ac97, shadow_reg, saved);
1610 *r_result = result;
1611 }
1612
1613 /* check AC97_SPDIF register to accept which sample rates */
1614 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1615 {
1616 unsigned int result = 0;
1617 int i;
1618 static unsigned short ctl_bits[] = {
1619 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1620 };
1621 static unsigned int rate_bits[] = {
1622 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1623 };
1624
1625 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1626 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1627 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1628 result |= rate_bits[i];
1629 }
1630 return result;
1631 }
1632
1633 /* look for the codec id table matching with the given id */
1634 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1635 unsigned int id)
1636 {
1637 const struct ac97_codec_id *pid;
1638
1639 for (pid = table; pid->id; pid++)
1640 if (pid->id == (id & pid->mask))
1641 return pid;
1642 return NULL;
1643 }
1644
1645 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1646 {
1647 const struct ac97_codec_id *pid;
1648
1649 sprintf(name, "0x%x %c%c%c", id,
1650 printable(id >> 24),
1651 printable(id >> 16),
1652 printable(id >> 8));
1653 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1654 if (! pid)
1655 return;
1656
1657 strcpy(name, pid->name);
1658 if (ac97 && pid->patch) {
1659 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1660 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1661 pid->patch(ac97);
1662 }
1663
1664 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1665 if (pid) {
1666 strcat(name, " ");
1667 strcat(name, pid->name);
1668 if (pid->mask != 0xffffffff)
1669 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1670 if (ac97 && pid->patch) {
1671 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1672 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1673 pid->patch(ac97);
1674 }
1675 } else
1676 sprintf(name + strlen(name), " id %x", id & 0xff);
1677 }
1678
1679 /**
1680 * snd_ac97_get_short_name - retrieve codec name
1681 * @ac97: the codec instance
1682 *
1683 * Returns the short identifying name of the codec.
1684 */
1685 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1686 {
1687 const struct ac97_codec_id *pid;
1688
1689 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1690 if (pid->id == (ac97->id & pid->mask))
1691 return pid->name;
1692 return "unknown codec";
1693 }
1694
1695 EXPORT_SYMBOL(snd_ac97_get_short_name);
1696
1697 /* wait for a while until registers are accessible after RESET
1698 * return 0 if ok, negative not ready
1699 */
1700 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1701 {
1702 unsigned long end_time;
1703 unsigned short val;
1704
1705 end_time = jiffies + timeout;
1706 do {
1707
1708 /* use preliminary reads to settle the communication */
1709 snd_ac97_read(ac97, AC97_RESET);
1710 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1711 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1712 /* modem? */
1713 if (with_modem) {
1714 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1715 if (val != 0xffff && (val & 1) != 0)
1716 return 0;
1717 }
1718 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1719 /* probably only Xbox issue - all registers are read as zero */
1720 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1721 if (val != 0 && val != 0xffff)
1722 return 0;
1723 } else {
1724 /* because the PCM or MASTER volume registers can be modified,
1725 * the REC_GAIN register is used for tests
1726 */
1727 /* test if we can write to the record gain volume register */
1728 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1729 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1730 return 0;
1731 }
1732 schedule_timeout_uninterruptible(1);
1733 } while (time_after_eq(end_time, jiffies));
1734 return -ENODEV;
1735 }
1736
1737 /**
1738 * snd_ac97_bus - create an AC97 bus component
1739 * @card: the card instance
1740 * @num: the bus number
1741 * @ops: the bus callbacks table
1742 * @private_data: private data pointer for the new instance
1743 * @rbus: the pointer to store the new AC97 bus instance.
1744 *
1745 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1746 * allocated and initialized.
1747 *
1748 * The ops table must include valid callbacks (at least read and
1749 * write). The other callbacks, wait and reset, are not mandatory.
1750 *
1751 * The clock is set to 48000. If another clock is needed, set
1752 * (*rbus)->clock manually.
1753 *
1754 * The AC97 bus instance is registered as a low-level device, so you don't
1755 * have to release it manually.
1756 *
1757 * Returns zero if successful, or a negative error code on failure.
1758 */
1759 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1760 void *private_data, struct snd_ac97_bus **rbus)
1761 {
1762 int err;
1763 struct snd_ac97_bus *bus;
1764 static struct snd_device_ops dev_ops = {
1765 .dev_free = snd_ac97_bus_dev_free,
1766 };
1767
1768 snd_assert(card != NULL, return -EINVAL);
1769 snd_assert(rbus != NULL, return -EINVAL);
1770 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1771 if (bus == NULL)
1772 return -ENOMEM;
1773 bus->card = card;
1774 bus->num = num;
1775 bus->ops = ops;
1776 bus->private_data = private_data;
1777 bus->clock = 48000;
1778 spin_lock_init(&bus->bus_lock);
1779 snd_ac97_bus_proc_init(bus);
1780 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1781 snd_ac97_bus_free(bus);
1782 return err;
1783 }
1784 *rbus = bus;
1785 return 0;
1786 }
1787
1788 EXPORT_SYMBOL(snd_ac97_bus);
1789
1790 /* stop no dev release warning */
1791 static void ac97_device_release(struct device * dev)
1792 {
1793 }
1794
1795 /* register ac97 codec to bus */
1796 static int snd_ac97_dev_register(struct snd_device *device)
1797 {
1798 struct snd_ac97 *ac97 = device->device_data;
1799 int err;
1800
1801 ac97->dev.bus = &ac97_bus_type;
1802 ac97->dev.parent = ac97->bus->card->dev;
1803 ac97->dev.release = ac97_device_release;
1804 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1805 ac97->bus->card->number, ac97->num,
1806 snd_ac97_get_short_name(ac97));
1807 if ((err = device_register(&ac97->dev)) < 0) {
1808 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1809 ac97->dev.bus = NULL;
1810 return err;
1811 }
1812 return 0;
1813 }
1814
1815 /* unregister ac97 codec */
1816 static int snd_ac97_dev_unregister(struct snd_device *device)
1817 {
1818 struct snd_ac97 *ac97 = device->device_data;
1819 if (ac97->dev.bus)
1820 device_unregister(&ac97->dev);
1821 return snd_ac97_free(ac97);
1822 }
1823
1824 /* build_ops to do nothing */
1825 static struct snd_ac97_build_ops null_build_ops;
1826
1827 /**
1828 * snd_ac97_mixer - create an Codec97 component
1829 * @bus: the AC97 bus which codec is attached to
1830 * @template: the template of ac97, including index, callbacks and
1831 * the private data.
1832 * @rac97: the pointer to store the new ac97 instance.
1833 *
1834 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1835 * allocated and initialized from the template. The codec
1836 * is then initialized by the standard procedure.
1837 *
1838 * The template must include the codec number (num) and address (addr),
1839 * and the private data (private_data).
1840 *
1841 * The ac97 instance is registered as a low-level device, so you don't
1842 * have to release it manually.
1843 *
1844 * Returns zero if successful, or a negative error code on failure.
1845 */
1846 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1847 {
1848 int err;
1849 struct snd_ac97 *ac97;
1850 struct snd_card *card;
1851 char name[64];
1852 unsigned long end_time;
1853 unsigned int reg;
1854 const struct ac97_codec_id *pid;
1855 static struct snd_device_ops ops = {
1856 .dev_free = snd_ac97_dev_free,
1857 .dev_register = snd_ac97_dev_register,
1858 .dev_unregister = snd_ac97_dev_unregister,
1859 };
1860
1861 snd_assert(rac97 != NULL, return -EINVAL);
1862 *rac97 = NULL;
1863 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1864 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1865
1866 card = bus->card;
1867 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1868 if (ac97 == NULL)
1869 return -ENOMEM;
1870 ac97->private_data = template->private_data;
1871 ac97->private_free = template->private_free;
1872 ac97->bus = bus;
1873 ac97->pci = template->pci;
1874 ac97->num = template->num;
1875 ac97->addr = template->addr;
1876 ac97->scaps = template->scaps;
1877 ac97->res_table = template->res_table;
1878 bus->codec[ac97->num] = ac97;
1879 mutex_init(&ac97->reg_mutex);
1880 mutex_init(&ac97->page_mutex);
1881
1882 #ifdef CONFIG_PCI
1883 if (ac97->pci) {
1884 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1885 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1886 }
1887 #endif
1888 if (bus->ops->reset) {
1889 bus->ops->reset(ac97);
1890 goto __access_ok;
1891 }
1892
1893 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1894 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1895 if (ac97->id && ac97->id != (unsigned int)-1) {
1896 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1897 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1898 goto __access_ok;
1899 }
1900
1901 /* reset to defaults */
1902 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1903 snd_ac97_write(ac97, AC97_RESET, 0);
1904 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1905 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1906 if (bus->ops->wait)
1907 bus->ops->wait(ac97);
1908 else {
1909 udelay(50);
1910 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1911 err = ac97_reset_wait(ac97, HZ/2, 1);
1912 else {
1913 err = ac97_reset_wait(ac97, HZ/2, 0);
1914 if (err < 0)
1915 err = ac97_reset_wait(ac97, HZ/2, 1);
1916 }
1917 if (err < 0) {
1918 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1919 /* proceed anyway - it's often non-critical */
1920 }
1921 }
1922 __access_ok:
1923 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1924 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1925 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1926 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1927 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1928 snd_ac97_free(ac97);
1929 return -EIO;
1930 }
1931 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1932 if (pid)
1933 ac97->flags |= pid->flags;
1934
1935 /* test for AC'97 */
1936 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1937 /* test if we can write to the record gain volume register */
1938 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1939 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1940 ac97->scaps |= AC97_SCAP_AUDIO;
1941 }
1942 if (ac97->scaps & AC97_SCAP_AUDIO) {
1943 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1944 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1945 if (ac97->ext_id == 0xffff) /* invalid combination */
1946 ac97->ext_id = 0;
1947 }
1948
1949 /* test for MC'97 */
1950 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1951 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1952 if (ac97->ext_mid == 0xffff) /* invalid combination */
1953 ac97->ext_mid = 0;
1954 if (ac97->ext_mid & 1)
1955 ac97->scaps |= AC97_SCAP_MODEM;
1956 }
1957
1958 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1959 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1960 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1961 snd_ac97_free(ac97);
1962 return -EACCES;
1963 }
1964
1965 if (bus->ops->reset) // FIXME: always skipping?
1966 goto __ready_ok;
1967
1968 /* FIXME: add powerdown control */
1969 if (ac97_is_audio(ac97)) {
1970 /* nothing should be in powerdown mode */
1971 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1972 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1973 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1974 udelay(100);
1975 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1976 }
1977 /* nothing should be in powerdown mode */
1978 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1979 end_time = jiffies + (HZ / 10);
1980 do {
1981 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1982 goto __ready_ok;
1983 schedule_timeout_uninterruptible(1);
1984 } while (time_after_eq(end_time, jiffies));
1985 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1986 }
1987
1988 /* FIXME: add powerdown control */
1989 if (ac97_is_modem(ac97)) {
1990 unsigned char tmp;
1991
1992 /* nothing should be in powerdown mode */
1993 /* note: it's important to set the rate at first */
1994 tmp = AC97_MEA_GPIO;
1995 if (ac97->ext_mid & AC97_MEI_LINE1) {
1996 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1997 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
1998 }
1999 if (ac97->ext_mid & AC97_MEI_LINE2) {
2000 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2001 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2002 }
2003 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2004 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2005 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2006 }
2007 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2008 udelay(100);
2009 /* nothing should be in powerdown mode */
2010 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2011 end_time = jiffies + (HZ / 10);
2012 do {
2013 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2014 goto __ready_ok;
2015 schedule_timeout_uninterruptible(1);
2016 } while (time_after_eq(end_time, jiffies));
2017 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2018 }
2019
2020 __ready_ok:
2021 if (ac97_is_audio(ac97))
2022 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2023 else
2024 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2025 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2026 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2027 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2028 if (! bus->no_vra)
2029 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2030 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2031 }
2032 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2033 /* Intel controllers require double rate data to be put in
2034 * slots 7+8, so let's hope the codec supports it. */
2035 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2036 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2037 ac97->flags |= AC97_DOUBLE_RATE;
2038 /* restore to slots 10/11 to avoid the confliction with surrounds */
2039 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2040 }
2041 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2042 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2043 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2044 } else {
2045 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2046 if (ac97->flags & AC97_DOUBLE_RATE)
2047 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2048 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2049 }
2050 if (ac97->ext_id & AC97_EI_SPDIF) {
2051 /* codec specific code (patch) should override these values */
2052 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2053 }
2054 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2055 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2056 } else {
2057 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2058 }
2059 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2060 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2061 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2062 }
2063 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2064 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2065 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2066 }
2067 /* additional initializations */
2068 if (bus->ops->init)
2069 bus->ops->init(ac97);
2070 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2071 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2072 if (! ac97->build_ops)
2073 ac97->build_ops = &null_build_ops;
2074
2075 if (ac97_is_audio(ac97)) {
2076 char comp[16];
2077 if (card->mixername[0] == '\0') {
2078 strcpy(card->mixername, name);
2079 } else {
2080 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2081 strcat(card->mixername, ",");
2082 strcat(card->mixername, name);
2083 }
2084 }
2085 sprintf(comp, "AC97a:%08x", ac97->id);
2086 if ((err = snd_component_add(card, comp)) < 0) {
2087 snd_ac97_free(ac97);
2088 return err;
2089 }
2090 if (snd_ac97_mixer_build(ac97) < 0) {
2091 snd_ac97_free(ac97);
2092 return -ENOMEM;
2093 }
2094 }
2095 if (ac97_is_modem(ac97)) {
2096 char comp[16];
2097 if (card->mixername[0] == '\0') {
2098 strcpy(card->mixername, name);
2099 } else {
2100 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2101 strcat(card->mixername, ",");
2102 strcat(card->mixername, name);
2103 }
2104 }
2105 sprintf(comp, "AC97m:%08x", ac97->id);
2106 if ((err = snd_component_add(card, comp)) < 0) {
2107 snd_ac97_free(ac97);
2108 return err;
2109 }
2110 if (snd_ac97_modem_build(card, ac97) < 0) {
2111 snd_ac97_free(ac97);
2112 return -ENOMEM;
2113 }
2114 }
2115 /* make sure the proper powerdown bits are cleared */
2116 if (ac97->scaps && ac97_is_audio(ac97)) {
2117 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2118 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2119 reg &= ~AC97_EA_PRJ;
2120 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2121 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2122 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2123 }
2124 snd_ac97_proc_init(ac97);
2125 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2126 snd_ac97_free(ac97);
2127 return err;
2128 }
2129 *rac97 = ac97;
2130 return 0;
2131 }
2132
2133 EXPORT_SYMBOL(snd_ac97_mixer);
2134
2135 /*
2136 * Power down the chip.
2137 *
2138 * MASTER and HEADPHONE registers are muted but the register cache values
2139 * are not changed, so that the values can be restored in snd_ac97_resume().
2140 */
2141 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2142 {
2143 unsigned short power;
2144
2145 if (ac97_is_audio(ac97)) {
2146 /* some codecs have stereo mute bits */
2147 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2148 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2149 }
2150
2151 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2152 power |= 0x4000; /* Headphone amplifier powerdown */
2153 power |= 0x0300; /* ADC & DAC powerdown */
2154 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2155 udelay(100);
2156 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2157 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2158 udelay(100);
2159 #if 0
2160 /* FIXME: this causes click noises on some boards at resume */
2161 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2162 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2163 #endif
2164 }
2165
2166
2167 #ifdef CONFIG_PM
2168 /**
2169 * snd_ac97_suspend - General suspend function for AC97 codec
2170 * @ac97: the ac97 instance
2171 *
2172 * Suspends the codec, power down the chip.
2173 */
2174 void snd_ac97_suspend(struct snd_ac97 *ac97)
2175 {
2176 if (! ac97)
2177 return;
2178 if (ac97->build_ops->suspend)
2179 ac97->build_ops->suspend(ac97);
2180 snd_ac97_powerdown(ac97);
2181 }
2182
2183 EXPORT_SYMBOL(snd_ac97_suspend);
2184
2185 /*
2186 * restore ac97 status
2187 */
2188 void snd_ac97_restore_status(struct snd_ac97 *ac97)
2189 {
2190 int i;
2191
2192 for (i = 2; i < 0x7c ; i += 2) {
2193 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2194 continue;
2195 /* restore only accessible registers
2196 * some chip (e.g. nm256) may hang up when unsupported registers
2197 * are accessed..!
2198 */
2199 if (test_bit(i, ac97->reg_accessed)) {
2200 snd_ac97_write(ac97, i, ac97->regs[i]);
2201 snd_ac97_read(ac97, i);
2202 }
2203 }
2204 }
2205
2206 /*
2207 * restore IEC958 status
2208 */
2209 void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2210 {
2211 if (ac97->ext_id & AC97_EI_SPDIF) {
2212 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2213 /* reset spdif status */
2214 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2215 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2216 if (ac97->flags & AC97_CS_SPDIF)
2217 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2218 else
2219 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2220 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2221 }
2222 }
2223 }
2224
2225 /**
2226 * snd_ac97_resume - General resume function for AC97 codec
2227 * @ac97: the ac97 instance
2228 *
2229 * Do the standard resume procedure, power up and restoring the
2230 * old register values.
2231 */
2232 void snd_ac97_resume(struct snd_ac97 *ac97)
2233 {
2234 unsigned long end_time;
2235
2236 if (! ac97)
2237 return;
2238
2239 if (ac97->bus->ops->reset) {
2240 ac97->bus->ops->reset(ac97);
2241 goto __reset_ready;
2242 }
2243
2244 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2245 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2246 snd_ac97_write(ac97, AC97_RESET, 0);
2247 udelay(100);
2248 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2249 }
2250 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2251
2252 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2253 if (ac97_is_audio(ac97)) {
2254 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2255 end_time = jiffies + msecs_to_jiffies(100);
2256 do {
2257 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2258 break;
2259 schedule_timeout_uninterruptible(1);
2260 } while (time_after_eq(end_time, jiffies));
2261 /* FIXME: extra delay */
2262 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2263 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2264 msleep(250);
2265 } else {
2266 end_time = jiffies + msecs_to_jiffies(100);
2267 do {
2268 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2269 if (val != 0xffff && (val & 1) != 0)
2270 break;
2271 schedule_timeout_uninterruptible(1);
2272 } while (time_after_eq(end_time, jiffies));
2273 }
2274 __reset_ready:
2275
2276 if (ac97->bus->ops->init)
2277 ac97->bus->ops->init(ac97);
2278
2279 if (ac97->build_ops->resume)
2280 ac97->build_ops->resume(ac97);
2281 else {
2282 snd_ac97_restore_status(ac97);
2283 snd_ac97_restore_iec958(ac97);
2284 }
2285 }
2286
2287 EXPORT_SYMBOL(snd_ac97_resume);
2288 #endif
2289
2290
2291 /*
2292 * Hardware tuning
2293 */
2294 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2295 {
2296 if (suffix)
2297 sprintf(dst, "%s %s", src, suffix);
2298 else
2299 strcpy(dst, src);
2300 }
2301
2302 /* remove the control with the given name and optional suffix */
2303 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
2304 {
2305 struct snd_ctl_elem_id id;
2306 memset(&id, 0, sizeof(id));
2307 set_ctl_name(id.name, name, suffix);
2308 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2309 return snd_ctl_remove_id(ac97->bus->card, &id);
2310 }
2311
2312 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2313 {
2314 struct snd_ctl_elem_id sid;
2315 memset(&sid, 0, sizeof(sid));
2316 set_ctl_name(sid.name, name, suffix);
2317 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2318 return snd_ctl_find_id(ac97->bus->card, &sid);
2319 }
2320
2321 /* rename the control with the given name and optional suffix */
2322 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
2323 {
2324 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2325 if (kctl) {
2326 set_ctl_name(kctl->id.name, dst, suffix);
2327 return 0;
2328 }
2329 return -ENOENT;
2330 }
2331
2332 /* rename both Volume and Switch controls - don't check the return value */
2333 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
2334 {
2335 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2336 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2337 }
2338
2339 /* swap controls */
2340 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
2341 {
2342 struct snd_kcontrol *kctl1, *kctl2;
2343 kctl1 = ctl_find(ac97, s1, suffix);
2344 kctl2 = ctl_find(ac97, s2, suffix);
2345 if (kctl1 && kctl2) {
2346 set_ctl_name(kctl1->id.name, s2, suffix);
2347 set_ctl_name(kctl2->id.name, s1, suffix);
2348 return 0;
2349 }
2350 return -ENOENT;
2351 }
2352
2353 #if 1
2354 /* bind hp and master controls instead of using only hp control */
2355 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2356 {
2357 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2358 if (err > 0) {
2359 unsigned long priv_saved = kcontrol->private_value;
2360 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2361 snd_ac97_put_volsw(kcontrol, ucontrol);
2362 kcontrol->private_value = priv_saved;
2363 }
2364 return err;
2365 }
2366
2367 /* ac97 tune: bind Master and Headphone controls */
2368 static int tune_hp_only(struct snd_ac97 *ac97)
2369 {
2370 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2371 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2372 if (! msw || ! mvol)
2373 return -ENOENT;
2374 msw->put = bind_hp_volsw_put;
2375 mvol->put = bind_hp_volsw_put;
2376 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2377 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2378 return 0;
2379 }
2380
2381 #else
2382 /* ac97 tune: use Headphone control as master */
2383 static int tune_hp_only(struct snd_ac97 *ac97)
2384 {
2385 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2386 return -ENOENT;
2387 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2388 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2389 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2390 return 0;
2391 }
2392 #endif
2393
2394 /* ac97 tune: swap Headphone and Master controls */
2395 static int tune_swap_hp(struct snd_ac97 *ac97)
2396 {
2397 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2398 return -ENOENT;
2399 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2400 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2401 return 0;
2402 }
2403
2404 /* ac97 tune: swap Surround and Master controls */
2405 static int tune_swap_surround(struct snd_ac97 *ac97)
2406 {
2407 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2408 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2409 return -ENOENT;
2410 return 0;
2411 }
2412
2413 /* ac97 tune: set up mic sharing for AD codecs */
2414 static int tune_ad_sharing(struct snd_ac97 *ac97)
2415 {
2416 unsigned short scfg;
2417 if ((ac97->id & 0xffffff00) != 0x41445300) {
2418 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2419 return -EINVAL;
2420 }
2421 /* Turn on OMS bit to route microphone to back panel */
2422 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2423 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2424 return 0;
2425 }
2426
2427 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2428 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2429
2430 /* ac97 tune: set up ALC jack-select */
2431 static int tune_alc_jack(struct snd_ac97 *ac97)
2432 {
2433 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2434 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2435 return -EINVAL;
2436 }
2437 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2438 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2439 if (ac97->id == AC97_ID_ALC658D)
2440 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2441 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2442 }
2443
2444 /* ac97 tune: inversed EAPD bit */
2445 static int tune_inv_eapd(struct snd_ac97 *ac97)
2446 {
2447 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2448 if (! kctl)
2449 return -ENOENT;
2450 set_inv_eapd(ac97, kctl);
2451 return 0;
2452 }
2453
2454 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2455 {
2456 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2457 if (err > 0) {
2458 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2459 int shift = (kcontrol->private_value >> 8) & 0x0f;
2460 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2461 unsigned short mask;
2462 if (shift != rshift)
2463 mask = 0x8080;
2464 else
2465 mask = 0x8000;
2466 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2467 (ac97->regs[AC97_MASTER] & mask) == mask ?
2468 0x8000 : 0);
2469 }
2470 return err;
2471 }
2472
2473 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2474 static int tune_mute_led(struct snd_ac97 *ac97)
2475 {
2476 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2477 if (! msw)
2478 return -ENOENT;
2479 msw->put = master_mute_sw_put;
2480 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2481 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2482 return 0;
2483 }
2484
2485 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2486 struct snd_ctl_elem_value *ucontrol)
2487 {
2488 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2489 if (err > 0) {
2490 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2491 int shift = (kcontrol->private_value >> 8) & 0x0f;
2492 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2493 unsigned short mask;
2494 if (shift != rshift)
2495 mask = 0x8080;
2496 else
2497 mask = 0x8000;
2498 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2499 (ac97->regs[AC97_MASTER] & mask) == mask ?
2500 0x8000 : 0);
2501 }
2502 return err;
2503 }
2504
2505 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2506 {
2507 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2508 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2509 if (! msw || ! mvol)
2510 return -ENOENT;
2511 msw->put = hp_master_mute_sw_put;
2512 mvol->put = bind_hp_volsw_put;
2513 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2514 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2515 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2516 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2517 return 0;
2518 }
2519
2520 struct quirk_table {
2521 const char *name;
2522 int (*func)(struct snd_ac97 *);
2523 };
2524
2525 static struct quirk_table applicable_quirks[] = {
2526 { "none", NULL },
2527 { "hp_only", tune_hp_only },
2528 { "swap_hp", tune_swap_hp },
2529 { "swap_surround", tune_swap_surround },
2530 { "ad_sharing", tune_ad_sharing },
2531 { "alc_jack", tune_alc_jack },
2532 { "inv_eapd", tune_inv_eapd },
2533 { "mute_led", tune_mute_led },
2534 { "hp_mute_led", tune_hp_mute_led },
2535 };
2536
2537 /* apply the quirk with the given type */
2538 static int apply_quirk(struct snd_ac97 *ac97, int type)
2539 {
2540 if (type <= 0)
2541 return 0;
2542 else if (type >= ARRAY_SIZE(applicable_quirks))
2543 return -EINVAL;
2544 if (applicable_quirks[type].func)
2545 return applicable_quirks[type].func(ac97);
2546 return 0;
2547 }
2548
2549 /* apply the quirk with the given name */
2550 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2551 {
2552 int i;
2553 struct quirk_table *q;
2554
2555 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2556 q = &applicable_quirks[i];
2557 if (q->name && ! strcmp(typestr, q->name))
2558 return apply_quirk(ac97, i);
2559 }
2560 /* for compatibility, accept the numbers, too */
2561 if (*typestr >= '0' && *typestr <= '9')
2562 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2563 return -EINVAL;
2564 }
2565
2566 /**
2567 * snd_ac97_tune_hardware - tune up the hardware
2568 * @ac97: the ac97 instance
2569 * @quirk: quirk list
2570 * @override: explicit quirk value (overrides the list if non-NULL)
2571 *
2572 * Do some workaround for each pci device, such as renaming of the
2573 * headphone (true line-out) control as "Master".
2574 * The quirk-list must be terminated with a zero-filled entry.
2575 *
2576 * Returns zero if successful, or a negative error code on failure.
2577 */
2578
2579 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2580 {
2581 int result;
2582
2583 /* quirk overriden? */
2584 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2585 result = apply_quirk_str(ac97, override);
2586 if (result < 0)
2587 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2588 return result;
2589 }
2590
2591 if (! quirk)
2592 return -EINVAL;
2593
2594 for (; quirk->subvendor; quirk++) {
2595 if (quirk->subvendor != ac97->subsystem_vendor)
2596 continue;
2597 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2598 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2599 if (quirk->codec_id && quirk->codec_id != ac97->id)
2600 continue;
2601 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2602 result = apply_quirk(ac97, quirk->type);
2603 if (result < 0)
2604 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2605 return result;
2606 }
2607 }
2608 return 0;
2609 }
2610
2611 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2612
2613 /*
2614 * INIT part
2615 */
2616
2617 static int __init alsa_ac97_init(void)
2618 {
2619 return 0;
2620 }
2621
2622 static void __exit alsa_ac97_exit(void)
2623 {
2624 }
2625
2626 module_init(alsa_ac97_init)
2627 module_exit(alsa_ac97_exit)
Stable & featurefull patchset based on Linus's git branch