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[ALSA] Optimize for config without PROC_FS (pci drivers)
[deliverable/linux.git] / sound / pci / ac97 / ac97_codec.c
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 <sound/core.h>
32 #include <sound/pcm.h>
33 #include <sound/ac97_codec.h>
34 #include <sound/asoundef.h>
35 #include <sound/initval.h>
36 #include "ac97_local.h"
37 #include "ac97_id.h"
38 #include "ac97_patch.h"
39
40 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
41 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
42 MODULE_LICENSE("GPL");
43
44 static int enable_loopback;
45
46 module_param(enable_loopback, bool, 0444);
47 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
48
49 /*
50
51 */
52
53 struct ac97_codec_id {
54 unsigned int id;
55 unsigned int mask;
56 const char *name;
57 int (*patch)(struct snd_ac97 *ac97);
58 int (*mpatch)(struct snd_ac97 *ac97);
59 unsigned int flags;
60 };
61
62 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
63 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
64 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
65 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
66 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
67 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
68 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
69 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
70 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
71 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
72 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
73 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
74 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
75 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
76 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
77 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
78 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
79 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
80 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
81 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
82 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
83 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
84 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
85 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
86 { 0, 0, NULL, NULL, NULL }
87 };
88
89 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
90 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
91 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
92 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
93 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
94 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
95 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
96 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
97 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
98 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
99 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
100 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
101 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
102 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
103 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
104 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
105 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
106 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
107 { 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL },
108 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
109 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
110 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
111 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
112 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
113 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
114 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
115 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
116 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
117 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
118 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
119 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
120 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
121 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
122 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
123 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
124 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
125 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
126 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
127 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
128 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
129 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
130 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
131 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
132 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
133 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
134 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
135 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
136 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
137 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
138 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
139 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
140 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
141 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
142 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
143 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
144 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
145 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
146 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
147 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
148 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
149 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
150 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
151 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
152 { 0x4e534350, 0xffffffff, "LM4550", NULL, NULL },
153 { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
154 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
155 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
156 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
157 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
158 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
159 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
160 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
161 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
162 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
163 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
164 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
165 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
166 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
167 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
168 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
169 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
170 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
171 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
172 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
173 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
174 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
175 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
176 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
177 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
178 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
179 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
180 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
181 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
182 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
183 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
184 { 0, 0, NULL, NULL, NULL }
185 };
186
187
188 /*
189 * I/O routines
190 */
191
192 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
193 {
194 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
195 return 0;
196
197 /* filter some registers for buggy codecs */
198 switch (ac97->id) {
199 case AC97_ID_AK4540:
200 case AC97_ID_AK4542:
201 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
202 return 1;
203 return 0;
204 case AC97_ID_AD1819: /* AD1819 */
205 case AC97_ID_AD1881: /* AD1881 */
206 case AC97_ID_AD1881A: /* AD1881A */
207 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
208 return 0;
209 return 1;
210 case AC97_ID_AD1885: /* AD1885 */
211 case AC97_ID_AD1886: /* AD1886 */
212 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
213 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
214 if (reg == 0x5a)
215 return 1;
216 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
217 return 0;
218 return 1;
219 case AC97_ID_STAC9700:
220 case AC97_ID_STAC9704:
221 case AC97_ID_STAC9705:
222 case AC97_ID_STAC9708:
223 case AC97_ID_STAC9721:
224 case AC97_ID_STAC9744:
225 case AC97_ID_STAC9756:
226 if (reg <= 0x3a || reg >= 0x5a)
227 return 1;
228 return 0;
229 }
230 return 1;
231 }
232
233 /**
234 * snd_ac97_write - write a value on the given register
235 * @ac97: the ac97 instance
236 * @reg: the register to change
237 * @value: the value to set
238 *
239 * Writes a value on the given register. This will invoke the write
240 * callback directly after the register check.
241 * This function doesn't change the register cache unlike
242 * #snd_ca97_write_cache(), so use this only when you don't want to
243 * reflect the change to the suspend/resume state.
244 */
245 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
246 {
247 if (!snd_ac97_valid_reg(ac97, reg))
248 return;
249 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
250 /* Fix H/W bug of ALC100/100P */
251 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
252 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
253 }
254 ac97->bus->ops->write(ac97, reg, value);
255 }
256
257 /**
258 * snd_ac97_read - read a value from the given register
259 *
260 * @ac97: the ac97 instance
261 * @reg: the register to read
262 *
263 * Reads a value from the given register. This will invoke the read
264 * callback directly after the register check.
265 *
266 * Returns the read value.
267 */
268 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
269 {
270 if (!snd_ac97_valid_reg(ac97, reg))
271 return 0;
272 return ac97->bus->ops->read(ac97, reg);
273 }
274
275 /* read a register - return the cached value if already read */
276 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
277 {
278 if (! test_bit(reg, ac97->reg_accessed)) {
279 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
280 // set_bit(reg, ac97->reg_accessed);
281 }
282 return ac97->regs[reg];
283 }
284
285 /**
286 * snd_ac97_write_cache - write a value on the given register and update the cache
287 * @ac97: the ac97 instance
288 * @reg: the register to change
289 * @value: the value to set
290 *
291 * Writes a value on the given register and updates the register
292 * cache. The cached values are used for the cached-read and the
293 * suspend/resume.
294 */
295 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
296 {
297 if (!snd_ac97_valid_reg(ac97, reg))
298 return;
299 down(&ac97->reg_mutex);
300 ac97->regs[reg] = value;
301 ac97->bus->ops->write(ac97, reg, value);
302 set_bit(reg, ac97->reg_accessed);
303 up(&ac97->reg_mutex);
304 }
305
306 /**
307 * snd_ac97_update - update the value on the given register
308 * @ac97: the ac97 instance
309 * @reg: the register to change
310 * @value: the value to set
311 *
312 * Compares the value with the register cache and updates the value
313 * only when the value is changed.
314 *
315 * Returns 1 if the value is changed, 0 if no change, or a negative
316 * code on failure.
317 */
318 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
319 {
320 int change;
321
322 if (!snd_ac97_valid_reg(ac97, reg))
323 return -EINVAL;
324 down(&ac97->reg_mutex);
325 change = ac97->regs[reg] != value;
326 if (change) {
327 ac97->regs[reg] = value;
328 ac97->bus->ops->write(ac97, reg, value);
329 }
330 set_bit(reg, ac97->reg_accessed);
331 up(&ac97->reg_mutex);
332 return change;
333 }
334
335 /**
336 * snd_ac97_update_bits - update the bits on the given register
337 * @ac97: the ac97 instance
338 * @reg: the register to change
339 * @mask: the bit-mask to change
340 * @value: the value to set
341 *
342 * Updates the masked-bits on the given register only when the value
343 * is changed.
344 *
345 * Returns 1 if the bits are changed, 0 if no change, or a negative
346 * code on failure.
347 */
348 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
349 {
350 int change;
351
352 if (!snd_ac97_valid_reg(ac97, reg))
353 return -EINVAL;
354 down(&ac97->reg_mutex);
355 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
356 up(&ac97->reg_mutex);
357 return change;
358 }
359
360 /* no lock version - see snd_ac97_updat_bits() */
361 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
362 unsigned short mask, unsigned short value)
363 {
364 int change;
365 unsigned short old, new;
366
367 old = snd_ac97_read_cache(ac97, reg);
368 new = (old & ~mask) | value;
369 change = old != new;
370 if (change) {
371 ac97->regs[reg] = new;
372 ac97->bus->ops->write(ac97, reg, new);
373 }
374 set_bit(reg, ac97->reg_accessed);
375 return change;
376 }
377
378 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
379 {
380 int change;
381 unsigned short old, new, cfg;
382
383 down(&ac97->page_mutex);
384 old = ac97->spec.ad18xx.pcmreg[codec];
385 new = (old & ~mask) | value;
386 change = old != new;
387 if (change) {
388 down(&ac97->reg_mutex);
389 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
390 ac97->spec.ad18xx.pcmreg[codec] = new;
391 /* select single codec */
392 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
393 (cfg & ~0x7000) |
394 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
395 /* update PCM bits */
396 ac97->bus->ops->write(ac97, AC97_PCM, new);
397 /* select all codecs */
398 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
399 cfg | 0x7000);
400 up(&ac97->reg_mutex);
401 }
402 up(&ac97->page_mutex);
403 return change;
404 }
405
406 /*
407 * Controls
408 */
409
410 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
411 {
412 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
413
414 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
415 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
416 uinfo->value.enumerated.items = e->mask;
417
418 if (uinfo->value.enumerated.item > e->mask - 1)
419 uinfo->value.enumerated.item = e->mask - 1;
420 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
421 return 0;
422 }
423
424 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
425 {
426 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
427 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
428 unsigned short val, bitmask;
429
430 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
431 ;
432 val = snd_ac97_read_cache(ac97, e->reg);
433 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
434 if (e->shift_l != e->shift_r)
435 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
436
437 return 0;
438 }
439
440 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
441 {
442 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
443 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
444 unsigned short val;
445 unsigned short mask, bitmask;
446
447 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
448 ;
449 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
450 return -EINVAL;
451 val = ucontrol->value.enumerated.item[0] << e->shift_l;
452 mask = (bitmask - 1) << e->shift_l;
453 if (e->shift_l != e->shift_r) {
454 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
455 return -EINVAL;
456 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
457 mask |= (bitmask - 1) << e->shift_r;
458 }
459 return snd_ac97_update_bits(ac97, e->reg, mask, val);
460 }
461
462 /* save/restore ac97 v2.3 paging */
463 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
464 {
465 int page_save = -1;
466 if ((kcontrol->private_value & (1<<25)) &&
467 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
468 (reg >= 0x60 && reg < 0x70)) {
469 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
470 down(&ac97->page_mutex); /* lock paging */
471 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
472 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
473 }
474 return page_save;
475 }
476
477 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
478 {
479 if (page_save >= 0) {
480 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
481 up(&ac97->page_mutex); /* unlock paging */
482 }
483 }
484
485 /* volume and switch controls */
486 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
487 {
488 int mask = (kcontrol->private_value >> 16) & 0xff;
489 int shift = (kcontrol->private_value >> 8) & 0x0f;
490 int rshift = (kcontrol->private_value >> 12) & 0x0f;
491
492 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
493 uinfo->count = shift == rshift ? 1 : 2;
494 uinfo->value.integer.min = 0;
495 uinfo->value.integer.max = mask;
496 return 0;
497 }
498
499 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
500 {
501 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
502 int reg = kcontrol->private_value & 0xff;
503 int shift = (kcontrol->private_value >> 8) & 0x0f;
504 int rshift = (kcontrol->private_value >> 12) & 0x0f;
505 int mask = (kcontrol->private_value >> 16) & 0xff;
506 int invert = (kcontrol->private_value >> 24) & 0x01;
507 int page_save;
508
509 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
510 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
511 if (shift != rshift)
512 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
513 if (invert) {
514 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
515 if (shift != rshift)
516 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
517 }
518 snd_ac97_page_restore(ac97, page_save);
519 return 0;
520 }
521
522 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
523 {
524 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
525 int reg = kcontrol->private_value & 0xff;
526 int shift = (kcontrol->private_value >> 8) & 0x0f;
527 int rshift = (kcontrol->private_value >> 12) & 0x0f;
528 int mask = (kcontrol->private_value >> 16) & 0xff;
529 int invert = (kcontrol->private_value >> 24) & 0x01;
530 int err, page_save;
531 unsigned short val, val2, val_mask;
532
533 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
534 val = (ucontrol->value.integer.value[0] & mask);
535 if (invert)
536 val = mask - val;
537 val_mask = mask << shift;
538 val = val << shift;
539 if (shift != rshift) {
540 val2 = (ucontrol->value.integer.value[1] & mask);
541 if (invert)
542 val2 = mask - val2;
543 val_mask |= mask << rshift;
544 val |= val2 << rshift;
545 }
546 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
547 snd_ac97_page_restore(ac97, page_save);
548 return err;
549 }
550
551 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
552 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
553 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
554 };
555
556 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
557 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
558 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
559 };
560
561 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
562 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
563 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
564 };
565
566 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
567 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
568
569
570 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
571 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
572 static const char* std_mix[] = {"Mix", "Mic"};
573 static const char* std_mic[] = {"Mic1", "Mic2"};
574
575 static const struct ac97_enum std_enum[] = {
576 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
577 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
578 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
579 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
580 };
581
582 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
583 AC97_ENUM("Capture Source", std_enum[0]);
584
585 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
586 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
587
588 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
589 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
590 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
591 };
592
593 enum {
594 AC97_GENERAL_PCM_OUT = 0,
595 AC97_GENERAL_STEREO_ENHANCEMENT,
596 AC97_GENERAL_3D,
597 AC97_GENERAL_LOUDNESS,
598 AC97_GENERAL_MONO,
599 AC97_GENERAL_MIC,
600 AC97_GENERAL_LOOPBACK
601 };
602
603 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
604 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
605 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
606 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
607 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
608 AC97_ENUM("Mono Output Select", std_enum[2]),
609 AC97_ENUM("Mic Select", std_enum[3]),
610 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
611 };
612
613 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
614 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
615 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
616 };
617
618 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
619 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
620 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
621 };
622
623 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
624 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
625 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
626 };
627
628 static const struct snd_kcontrol_new snd_ac97_control_eapd =
629 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
630
631 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
632 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
633 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
634 };
635
636 /* change the existing EAPD control as inverted */
637 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
638 {
639 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
640 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
641 ac97->scaps |= AC97_SCAP_INV_EAPD;
642 }
643
644 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
645 {
646 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
647 uinfo->count = 1;
648 return 0;
649 }
650
651 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
652 {
653 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
654 IEC958_AES0_NONAUDIO |
655 IEC958_AES0_CON_EMPHASIS_5015 |
656 IEC958_AES0_CON_NOT_COPYRIGHT;
657 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
658 IEC958_AES1_CON_ORIGINAL;
659 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
660 return 0;
661 }
662
663 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
664 {
665 /* FIXME: AC'97 spec doesn't say which bits are used for what */
666 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
667 IEC958_AES0_NONAUDIO |
668 IEC958_AES0_PRO_FS |
669 IEC958_AES0_PRO_EMPHASIS_5015;
670 return 0;
671 }
672
673 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
674 {
675 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
676
677 down(&ac97->reg_mutex);
678 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
679 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
680 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
681 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
682 up(&ac97->reg_mutex);
683 return 0;
684 }
685
686 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
687 {
688 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
689 unsigned int new = 0;
690 unsigned short val = 0;
691 int change;
692
693 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
694 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
695 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
696 switch (new & IEC958_AES0_PRO_FS) {
697 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
698 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
699 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
700 default: val |= 1<<12; break;
701 }
702 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
703 val |= 1<<3;
704 } else {
705 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
706 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
707 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
708 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
709 val |= 1<<3;
710 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
711 val |= 1<<2;
712 val |= ((new >> 8) & 0xff) << 4; // category + original
713 switch ((new >> 24) & 0xff) {
714 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
715 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
716 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
717 default: val |= 1<<12; break;
718 }
719 }
720
721 down(&ac97->reg_mutex);
722 change = ac97->spdif_status != new;
723 ac97->spdif_status = new;
724
725 if (ac97->flags & AC97_CS_SPDIF) {
726 int x = (val >> 12) & 0x03;
727 switch (x) {
728 case 0: x = 1; break; // 44.1
729 case 2: x = 0; break; // 48.0
730 default: x = 0; break; // illegal.
731 }
732 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
733 } else if (ac97->flags & AC97_CX_SPDIF) {
734 int v;
735 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
736 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
737 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
738 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
739 v);
740 } else {
741 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
742 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
743
744 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
745 if (extst & AC97_EA_SPDIF) {
746 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
747 }
748 }
749 up(&ac97->reg_mutex);
750
751 return change;
752 }
753
754 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
755 {
756 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
757 int reg = kcontrol->private_value & 0xff;
758 int shift = (kcontrol->private_value >> 8) & 0xff;
759 int mask = (kcontrol->private_value >> 16) & 0xff;
760 // int invert = (kcontrol->private_value >> 24) & 0xff;
761 unsigned short value, old, new;
762 int change;
763
764 value = (ucontrol->value.integer.value[0] & mask);
765
766 down(&ac97->reg_mutex);
767 mask <<= shift;
768 value <<= shift;
769 old = snd_ac97_read_cache(ac97, reg);
770 new = (old & ~mask) | value;
771 change = old != new;
772
773 if (change) {
774 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
775 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
776 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
777 if (extst & AC97_EA_SPDIF)
778 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
779 }
780 up(&ac97->reg_mutex);
781 return change;
782 }
783
784 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
785 {
786 .access = SNDRV_CTL_ELEM_ACCESS_READ,
787 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
788 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
789 .info = snd_ac97_spdif_mask_info,
790 .get = snd_ac97_spdif_cmask_get,
791 },
792 {
793 .access = SNDRV_CTL_ELEM_ACCESS_READ,
794 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
795 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
796 .info = snd_ac97_spdif_mask_info,
797 .get = snd_ac97_spdif_pmask_get,
798 },
799 {
800 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
801 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
802 .info = snd_ac97_spdif_mask_info,
803 .get = snd_ac97_spdif_default_get,
804 .put = snd_ac97_spdif_default_put,
805 },
806
807 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
808 {
809 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
810 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
811 .info = snd_ac97_info_volsw,
812 .get = snd_ac97_get_volsw,
813 .put = snd_ac97_put_spsa,
814 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
815 },
816 };
817
818 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
819 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
820 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
821 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
822
823 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
824 {
825 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
826 int mask = (kcontrol->private_value >> 16) & 0x0f;
827 int lshift = (kcontrol->private_value >> 8) & 0x0f;
828 int rshift = (kcontrol->private_value >> 12) & 0x0f;
829
830 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
831 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
832 uinfo->count = 2;
833 else
834 uinfo->count = 1;
835 uinfo->value.integer.min = 0;
836 uinfo->value.integer.max = mask;
837 return 0;
838 }
839
840 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
841 {
842 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
843 int codec = kcontrol->private_value & 3;
844 int lshift = (kcontrol->private_value >> 8) & 0x0f;
845 int rshift = (kcontrol->private_value >> 12) & 0x0f;
846 int mask = (kcontrol->private_value >> 16) & 0xff;
847
848 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
849 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
850 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
851 return 0;
852 }
853
854 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
855 {
856 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
857 int codec = kcontrol->private_value & 3;
858 int lshift = (kcontrol->private_value >> 8) & 0x0f;
859 int rshift = (kcontrol->private_value >> 12) & 0x0f;
860 int mask = (kcontrol->private_value >> 16) & 0xff;
861 unsigned short val, valmask;
862
863 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
864 valmask = mask << lshift;
865 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
866 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
867 valmask |= mask << rshift;
868 }
869 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
870 }
871
872 #define AD18XX_PCM_VOLUME(xname, codec) \
873 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
874 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
875 .private_value = codec }
876
877 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
878 {
879 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
880 uinfo->count = 2;
881 uinfo->value.integer.min = 0;
882 uinfo->value.integer.max = 31;
883 return 0;
884 }
885
886 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
887 {
888 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
889 int codec = kcontrol->private_value & 3;
890
891 down(&ac97->page_mutex);
892 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
893 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
894 up(&ac97->page_mutex);
895 return 0;
896 }
897
898 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
899 {
900 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
901 int codec = kcontrol->private_value & 3;
902 unsigned short val1, val2;
903
904 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
905 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
906 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
907 }
908
909 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
910 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
911 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
912 };
913
914 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
915 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
916 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
917 };
918
919 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
920 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
921 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
922 };
923
924 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
925 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
926 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
927 };
928
929 /*
930 *
931 */
932
933 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
934
935 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
936 {
937 if (bus) {
938 snd_ac97_bus_proc_done(bus);
939 kfree(bus->pcms);
940 if (bus->private_free)
941 bus->private_free(bus);
942 kfree(bus);
943 }
944 return 0;
945 }
946
947 static int snd_ac97_bus_dev_free(struct snd_device *device)
948 {
949 struct snd_ac97_bus *bus = device->device_data;
950 return snd_ac97_bus_free(bus);
951 }
952
953 static int snd_ac97_free(struct snd_ac97 *ac97)
954 {
955 if (ac97) {
956 snd_ac97_proc_done(ac97);
957 if (ac97->bus)
958 ac97->bus->codec[ac97->num] = NULL;
959 if (ac97->private_free)
960 ac97->private_free(ac97);
961 kfree(ac97);
962 }
963 return 0;
964 }
965
966 static int snd_ac97_dev_free(struct snd_device *device)
967 {
968 struct snd_ac97 *ac97 = device->device_data;
969 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
970 return snd_ac97_free(ac97);
971 }
972
973 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
974 {
975 unsigned short val, mask = 0x8000;
976
977 if (! snd_ac97_valid_reg(ac97, reg))
978 return 0;
979
980 switch (reg) {
981 case AC97_MASTER_TONE:
982 return ac97->caps & 0x04 ? 1 : 0;
983 case AC97_HEADPHONE:
984 return ac97->caps & 0x10 ? 1 : 0;
985 case AC97_REC_GAIN_MIC:
986 return ac97->caps & 0x01 ? 1 : 0;
987 case AC97_3D_CONTROL:
988 if (ac97->caps & 0x7c00) {
989 val = snd_ac97_read(ac97, reg);
990 /* if nonzero - fixed and we can't set it */
991 return val == 0;
992 }
993 return 0;
994 case AC97_CENTER_LFE_MASTER: /* center */
995 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
996 return 0;
997 break;
998 case AC97_CENTER_LFE_MASTER+1: /* lfe */
999 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1000 return 0;
1001 reg = AC97_CENTER_LFE_MASTER;
1002 mask = 0x0080;
1003 break;
1004 case AC97_SURROUND_MASTER:
1005 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1006 return 0;
1007 break;
1008 }
1009
1010 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1011 return 1; /* allow without check */
1012
1013 val = snd_ac97_read(ac97, reg);
1014 if (!(val & mask)) {
1015 /* nothing seems to be here - mute flag is not set */
1016 /* try another test */
1017 snd_ac97_write_cache(ac97, reg, val | mask);
1018 val = snd_ac97_read(ac97, reg);
1019 val = snd_ac97_read(ac97, reg);
1020 if (!(val & mask))
1021 return 0; /* nothing here */
1022 }
1023 return 1; /* success, useable */
1024 }
1025
1026 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1027 {
1028 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1029 unsigned char max[3] = { 63, 31, 15 };
1030 int i;
1031
1032 *lo_max = *hi_max = 0;
1033 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1034 unsigned short val;
1035 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1036 /* Do the read twice due to buffers on some ac97 codecs.
1037 * e.g. The STAC9704 returns exactly what you wrote the the register
1038 * if you read it immediately. This causes the detect routine to fail.
1039 */
1040 val = snd_ac97_read(ac97, reg);
1041 val = snd_ac97_read(ac97, reg);
1042 if (! *lo_max && (val & 0x7f) == cbit[i])
1043 *lo_max = max[i];
1044 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1045 *hi_max = max[i];
1046 if (*lo_max && *hi_max)
1047 break;
1048 }
1049 }
1050
1051 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1052 {
1053 unsigned short mask, val, orig, res;
1054
1055 mask = 1 << bit;
1056 orig = snd_ac97_read(ac97, reg);
1057 val = orig ^ mask;
1058 snd_ac97_write(ac97, reg, val);
1059 res = snd_ac97_read(ac97, reg);
1060 snd_ac97_write_cache(ac97, reg, orig);
1061 return res == val;
1062 }
1063
1064 /* check the volume resolution of center/lfe */
1065 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1066 {
1067 unsigned short val, val1;
1068
1069 *max = 63;
1070 val = 0x8080 | (0x20 << shift);
1071 snd_ac97_write(ac97, reg, val);
1072 val1 = snd_ac97_read(ac97, reg);
1073 if (val != val1) {
1074 *max = 31;
1075 }
1076 /* reset volume to zero */
1077 snd_ac97_write_cache(ac97, reg, 0x8080);
1078 }
1079
1080 static inline int printable(unsigned int x)
1081 {
1082 x &= 0xff;
1083 if (x < ' ' || x >= 0x71) {
1084 if (x <= 0x89)
1085 return x - 0x71 + 'A';
1086 return '?';
1087 }
1088 return x;
1089 }
1090
1091 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1092 {
1093 struct snd_kcontrol_new template;
1094 memcpy(&template, _template, sizeof(template));
1095 template.index = ac97->num;
1096 return snd_ctl_new1(&template, ac97);
1097 }
1098
1099 /*
1100 * create mute switch(es) for normal stereo controls
1101 */
1102 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, int check_stereo, struct snd_ac97 *ac97)
1103 {
1104 struct snd_kcontrol *kctl;
1105 int err;
1106 unsigned short val, val1, mute_mask;
1107
1108 if (! snd_ac97_valid_reg(ac97, reg))
1109 return 0;
1110
1111 mute_mask = 0x8000;
1112 val = snd_ac97_read(ac97, reg);
1113 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1114 /* check whether both mute bits work */
1115 val1 = val | 0x8080;
1116 snd_ac97_write(ac97, reg, val1);
1117 if (val1 == snd_ac97_read(ac97, reg))
1118 mute_mask = 0x8080;
1119 }
1120 if (mute_mask == 0x8080) {
1121 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1122 tmp.index = ac97->num;
1123 kctl = snd_ctl_new1(&tmp, ac97);
1124 } else {
1125 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1126 tmp.index = ac97->num;
1127 kctl = snd_ctl_new1(&tmp, ac97);
1128 }
1129 err = snd_ctl_add(card, kctl);
1130 if (err < 0)
1131 return err;
1132 /* mute as default */
1133 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1134 return 0;
1135 }
1136
1137 /*
1138 * create a volume for normal stereo/mono controls
1139 */
1140 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1141 unsigned int hi_max, struct snd_ac97 *ac97)
1142 {
1143 int err;
1144 struct snd_kcontrol *kctl;
1145
1146 if (! snd_ac97_valid_reg(ac97, reg))
1147 return 0;
1148 if (hi_max) {
1149 /* invert */
1150 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1151 tmp.index = ac97->num;
1152 kctl = snd_ctl_new1(&tmp, ac97);
1153 } else {
1154 /* invert */
1155 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1156 tmp.index = ac97->num;
1157 kctl = snd_ctl_new1(&tmp, ac97);
1158 }
1159 err = snd_ctl_add(card, kctl);
1160 if (err < 0)
1161 return err;
1162 snd_ac97_write_cache(ac97, reg,
1163 (snd_ac97_read(ac97, reg) & 0x8080) |
1164 lo_max | (hi_max << 8));
1165 return 0;
1166 }
1167
1168 /*
1169 * create a mute-switch and a volume for normal stereo/mono controls
1170 */
1171 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, int reg, int check_stereo, struct snd_ac97 *ac97)
1172 {
1173 int err;
1174 char name[44];
1175 unsigned char lo_max, hi_max;
1176
1177 if (! snd_ac97_valid_reg(ac97, reg))
1178 return 0;
1179
1180 if (snd_ac97_try_bit(ac97, reg, 15)) {
1181 sprintf(name, "%s Switch", pfx);
1182 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1183 return err;
1184 }
1185 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1186 if (lo_max) {
1187 sprintf(name, "%s Volume", pfx);
1188 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1189 return err;
1190 }
1191 return 0;
1192 }
1193
1194 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1195 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1196
1197 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1198
1199 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1200 {
1201 struct snd_card *card = ac97->bus->card;
1202 struct snd_kcontrol *kctl;
1203 int err;
1204 unsigned int idx;
1205 unsigned char max;
1206
1207 /* build master controls */
1208 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1209 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1210 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1211 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1212 else
1213 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1214 if (err < 0)
1215 return err;
1216 }
1217
1218 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1219
1220 /* build center controls */
1221 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1222 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1223 return err;
1224 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1225 return err;
1226 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1227 kctl->private_value &= ~(0xff << 16);
1228 kctl->private_value |= (int)max << 16;
1229 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1230 }
1231
1232 /* build LFE controls */
1233 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1234 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1235 return err;
1236 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1237 return err;
1238 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1239 kctl->private_value &= ~(0xff << 16);
1240 kctl->private_value |= (int)max << 16;
1241 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1242 }
1243
1244 /* build surround controls */
1245 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1246 /* Surround Master (0x38) is with stereo mutes */
1247 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1248 return err;
1249 }
1250
1251 /* build headphone controls */
1252 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1253 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1254 return err;
1255 }
1256
1257 /* build master mono controls */
1258 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1259 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1260 return err;
1261 }
1262
1263 /* build master tone controls */
1264 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1265 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1266 for (idx = 0; idx < 2; idx++) {
1267 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1268 return err;
1269 if (ac97->id == AC97_ID_YMF753) {
1270 kctl->private_value &= ~(0xff << 16);
1271 kctl->private_value |= 7 << 16;
1272 }
1273 }
1274 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1275 }
1276 }
1277
1278 /* build PC Speaker controls */
1279 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1280 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1281 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1282 for (idx = 0; idx < 2; idx++)
1283 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1284 return err;
1285 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1286 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1287 }
1288
1289 /* build Phone controls */
1290 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1291 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1292 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1293 return err;
1294 }
1295 }
1296
1297 /* build MIC controls */
1298 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1299 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1300 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1301 return err;
1302 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1303 return err;
1304 }
1305 }
1306
1307 /* build Line controls */
1308 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1309 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1310 return err;
1311 }
1312
1313 /* build CD controls */
1314 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1315 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1316 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1317 return err;
1318 }
1319 }
1320
1321 /* build Video controls */
1322 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1323 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1324 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1325 return err;
1326 }
1327 }
1328
1329 /* build Aux controls */
1330 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1331 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1332 return err;
1333 }
1334
1335 /* build PCM controls */
1336 if (ac97->flags & AC97_AD_MULTI) {
1337 unsigned short init_val;
1338 if (ac97->flags & AC97_STEREO_MUTES)
1339 init_val = 0x9f9f;
1340 else
1341 init_val = 0x9f1f;
1342 for (idx = 0; idx < 2; idx++)
1343 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1344 return err;
1345 ac97->spec.ad18xx.pcmreg[0] = init_val;
1346 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1347 for (idx = 0; idx < 2; idx++)
1348 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1349 return err;
1350 ac97->spec.ad18xx.pcmreg[1] = init_val;
1351 }
1352 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1353 for (idx = 0; idx < 2; idx++)
1354 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1355 return err;
1356 for (idx = 0; idx < 2; idx++)
1357 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1358 return err;
1359 ac97->spec.ad18xx.pcmreg[2] = init_val;
1360 }
1361 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1362 } else {
1363 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1364 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1365 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1366 else
1367 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1368 if (err < 0)
1369 return err;
1370 }
1371 }
1372
1373 /* build Capture controls */
1374 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1375 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1376 return err;
1377 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1378 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1379 return err;
1380 }
1381 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1382 return err;
1383 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1384 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1385 }
1386 /* build MIC Capture controls */
1387 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1388 for (idx = 0; idx < 2; idx++)
1389 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1390 return err;
1391 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1392 }
1393
1394 /* build PCM out path & mute control */
1395 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1396 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1397 return err;
1398 }
1399
1400 /* build Simulated Stereo Enhancement control */
1401 if (ac97->caps & 0x0008) {
1402 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1403 return err;
1404 }
1405
1406 /* build 3D Stereo Enhancement control */
1407 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1408 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1409 return err;
1410 }
1411
1412 /* build Loudness control */
1413 if (ac97->caps & 0x0020) {
1414 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1415 return err;
1416 }
1417
1418 /* build Mono output select control */
1419 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1420 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1421 return err;
1422 }
1423
1424 /* build Mic select control */
1425 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1426 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1427 return err;
1428 }
1429
1430 /* build ADC/DAC loopback control */
1431 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1432 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1433 return err;
1434 }
1435
1436 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1437
1438 /* build 3D controls */
1439 if (ac97->build_ops->build_3d) {
1440 ac97->build_ops->build_3d(ac97);
1441 } else {
1442 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1443 unsigned short val;
1444 val = 0x0707;
1445 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1446 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1447 val = val == 0x0606;
1448 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1449 return err;
1450 if (val)
1451 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1452 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1453 return err;
1454 if (val)
1455 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1456 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1457 }
1458 }
1459
1460 /* build S/PDIF controls */
1461 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1462 if (ac97->build_ops->build_spdif) {
1463 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1464 return err;
1465 } else {
1466 for (idx = 0; idx < 5; idx++)
1467 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1468 return err;
1469 if (ac97->build_ops->build_post_spdif) {
1470 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1471 return err;
1472 }
1473 /* set default PCM S/PDIF params */
1474 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1475 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1476 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1477 }
1478 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1479 }
1480
1481 /* build chip specific controls */
1482 if (ac97->build_ops->build_specific)
1483 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1484 return err;
1485
1486 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1487 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1488 if (! kctl)
1489 return -ENOMEM;
1490 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1491 set_inv_eapd(ac97, kctl);
1492 if ((err = snd_ctl_add(card, kctl)) < 0)
1493 return err;
1494 }
1495
1496 return 0;
1497 }
1498
1499 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1500 {
1501 int err, idx;
1502
1503 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1504 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1505 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1506 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1507 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1508 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1509
1510 /* build modem switches */
1511 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1512 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1513 return err;
1514
1515 /* build chip specific controls */
1516 if (ac97->build_ops->build_specific)
1517 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1518 return err;
1519
1520 return 0;
1521 }
1522
1523 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1524 {
1525 unsigned short val;
1526 unsigned int tmp;
1527
1528 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1529 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1530 if (shadow_reg)
1531 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1532 val = snd_ac97_read(ac97, reg);
1533 return val == (tmp & 0xffff);
1534 }
1535
1536 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1537 {
1538 unsigned int result = 0;
1539 unsigned short saved;
1540
1541 if (ac97->bus->no_vra) {
1542 *r_result = SNDRV_PCM_RATE_48000;
1543 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1544 reg == AC97_PCM_FRONT_DAC_RATE)
1545 *r_result |= SNDRV_PCM_RATE_96000;
1546 return;
1547 }
1548
1549 saved = snd_ac97_read(ac97, reg);
1550 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1551 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1552 AC97_EA_DRA, 0);
1553 /* test a non-standard rate */
1554 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1555 result |= SNDRV_PCM_RATE_CONTINUOUS;
1556 /* let's try to obtain standard rates */
1557 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1558 result |= SNDRV_PCM_RATE_8000;
1559 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1560 result |= SNDRV_PCM_RATE_11025;
1561 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1562 result |= SNDRV_PCM_RATE_16000;
1563 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1564 result |= SNDRV_PCM_RATE_22050;
1565 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1566 result |= SNDRV_PCM_RATE_32000;
1567 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1568 result |= SNDRV_PCM_RATE_44100;
1569 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1570 result |= SNDRV_PCM_RATE_48000;
1571 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1572 reg == AC97_PCM_FRONT_DAC_RATE) {
1573 /* test standard double rates */
1574 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1575 AC97_EA_DRA, AC97_EA_DRA);
1576 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1577 result |= SNDRV_PCM_RATE_64000;
1578 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1579 result |= SNDRV_PCM_RATE_88200;
1580 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1581 result |= SNDRV_PCM_RATE_96000;
1582 /* some codecs don't support variable double rates */
1583 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1584 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1585 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1586 AC97_EA_DRA, 0);
1587 }
1588 /* restore the default value */
1589 snd_ac97_write_cache(ac97, reg, saved);
1590 if (shadow_reg)
1591 snd_ac97_write_cache(ac97, shadow_reg, saved);
1592 *r_result = result;
1593 }
1594
1595 /* check AC97_SPDIF register to accept which sample rates */
1596 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1597 {
1598 unsigned int result = 0;
1599 int i;
1600 static unsigned short ctl_bits[] = {
1601 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1602 };
1603 static unsigned int rate_bits[] = {
1604 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1605 };
1606
1607 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1608 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1609 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1610 result |= rate_bits[i];
1611 }
1612 return result;
1613 }
1614
1615 /* look for the codec id table matching with the given id */
1616 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1617 unsigned int id)
1618 {
1619 const struct ac97_codec_id *pid;
1620
1621 for (pid = table; pid->id; pid++)
1622 if (pid->id == (id & pid->mask))
1623 return pid;
1624 return NULL;
1625 }
1626
1627 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1628 {
1629 const struct ac97_codec_id *pid;
1630
1631 sprintf(name, "0x%x %c%c%c", id,
1632 printable(id >> 24),
1633 printable(id >> 16),
1634 printable(id >> 8));
1635 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1636 if (! pid)
1637 return;
1638
1639 strcpy(name, pid->name);
1640 if (ac97 && pid->patch) {
1641 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1642 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1643 pid->patch(ac97);
1644 }
1645
1646 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1647 if (pid) {
1648 strcat(name, " ");
1649 strcat(name, pid->name);
1650 if (pid->mask != 0xffffffff)
1651 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1652 if (ac97 && pid->patch) {
1653 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1654 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1655 pid->patch(ac97);
1656 }
1657 } else
1658 sprintf(name + strlen(name), " id %x", id & 0xff);
1659 }
1660
1661 /**
1662 * snd_ac97_get_short_name - retrieve codec name
1663 * @ac97: the codec instance
1664 *
1665 * Returns the short identifying name of the codec.
1666 */
1667 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1668 {
1669 const struct ac97_codec_id *pid;
1670
1671 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1672 if (pid->id == (ac97->id & pid->mask))
1673 return pid->name;
1674 return "unknown codec";
1675 }
1676
1677
1678 /* wait for a while until registers are accessible after RESET
1679 * return 0 if ok, negative not ready
1680 */
1681 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1682 {
1683 unsigned long end_time;
1684 unsigned short val;
1685
1686 end_time = jiffies + timeout;
1687 do {
1688
1689 /* use preliminary reads to settle the communication */
1690 snd_ac97_read(ac97, AC97_RESET);
1691 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1692 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1693 /* modem? */
1694 if (with_modem) {
1695 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1696 if (val != 0xffff && (val & 1) != 0)
1697 return 0;
1698 }
1699 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1700 /* probably only Xbox issue - all registers are read as zero */
1701 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1702 if (val != 0 && val != 0xffff)
1703 return 0;
1704 } else {
1705 /* because the PCM or MASTER volume registers can be modified,
1706 * the REC_GAIN register is used for tests
1707 */
1708 /* test if we can write to the record gain volume register */
1709 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1710 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1711 return 0;
1712 }
1713 schedule_timeout_uninterruptible(1);
1714 } while (time_after_eq(end_time, jiffies));
1715 return -ENODEV;
1716 }
1717
1718 /**
1719 * snd_ac97_bus - create an AC97 bus component
1720 * @card: the card instance
1721 * @num: the bus number
1722 * @ops: the bus callbacks table
1723 * @private_data: private data pointer for the new instance
1724 * @rbus: the pointer to store the new AC97 bus instance.
1725 *
1726 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1727 * allocated and initialized.
1728 *
1729 * The ops table must include valid callbacks (at least read and
1730 * write). The other callbacks, wait and reset, are not mandatory.
1731 *
1732 * The clock is set to 48000. If another clock is needed, set
1733 * (*rbus)->clock manually.
1734 *
1735 * The AC97 bus instance is registered as a low-level device, so you don't
1736 * have to release it manually.
1737 *
1738 * Returns zero if successful, or a negative error code on failure.
1739 */
1740 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1741 void *private_data, struct snd_ac97_bus **rbus)
1742 {
1743 int err;
1744 struct snd_ac97_bus *bus;
1745 static struct snd_device_ops dev_ops = {
1746 .dev_free = snd_ac97_bus_dev_free,
1747 };
1748
1749 snd_assert(card != NULL, return -EINVAL);
1750 snd_assert(rbus != NULL, return -EINVAL);
1751 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1752 if (bus == NULL)
1753 return -ENOMEM;
1754 bus->card = card;
1755 bus->num = num;
1756 bus->ops = ops;
1757 bus->private_data = private_data;
1758 bus->clock = 48000;
1759 spin_lock_init(&bus->bus_lock);
1760 snd_ac97_bus_proc_init(bus);
1761 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1762 snd_ac97_bus_free(bus);
1763 return err;
1764 }
1765 *rbus = bus;
1766 return 0;
1767 }
1768
1769 /* stop no dev release warning */
1770 static void ac97_device_release(struct device * dev)
1771 {
1772 }
1773
1774 /* register ac97 codec to bus */
1775 static int snd_ac97_dev_register(struct snd_device *device)
1776 {
1777 struct snd_ac97 *ac97 = device->device_data;
1778 int err;
1779
1780 ac97->dev.bus = &ac97_bus_type;
1781 ac97->dev.parent = ac97->bus->card->dev;
1782 ac97->dev.release = ac97_device_release;
1783 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1784 ac97->bus->card->number, ac97->num,
1785 snd_ac97_get_short_name(ac97));
1786 if ((err = device_register(&ac97->dev)) < 0) {
1787 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1788 ac97->dev.bus = NULL;
1789 return err;
1790 }
1791 return 0;
1792 }
1793
1794 /* unregister ac97 codec */
1795 static int snd_ac97_dev_unregister(struct snd_device *device)
1796 {
1797 struct snd_ac97 *ac97 = device->device_data;
1798 if (ac97->dev.bus)
1799 device_unregister(&ac97->dev);
1800 return snd_ac97_free(ac97);
1801 }
1802
1803 /* build_ops to do nothing */
1804 static struct snd_ac97_build_ops null_build_ops;
1805
1806 /**
1807 * snd_ac97_mixer - create an Codec97 component
1808 * @bus: the AC97 bus which codec is attached to
1809 * @template: the template of ac97, including index, callbacks and
1810 * the private data.
1811 * @rac97: the pointer to store the new ac97 instance.
1812 *
1813 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1814 * allocated and initialized from the template. The codec
1815 * is then initialized by the standard procedure.
1816 *
1817 * The template must include the codec number (num) and address (addr),
1818 * and the private data (private_data).
1819 *
1820 * The ac97 instance is registered as a low-level device, so you don't
1821 * have to release it manually.
1822 *
1823 * Returns zero if successful, or a negative error code on failure.
1824 */
1825 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1826 {
1827 int err;
1828 struct snd_ac97 *ac97;
1829 struct snd_card *card;
1830 char name[64];
1831 unsigned long end_time;
1832 unsigned int reg;
1833 const struct ac97_codec_id *pid;
1834 static struct snd_device_ops ops = {
1835 .dev_free = snd_ac97_dev_free,
1836 .dev_register = snd_ac97_dev_register,
1837 .dev_unregister = snd_ac97_dev_unregister,
1838 };
1839
1840 snd_assert(rac97 != NULL, return -EINVAL);
1841 *rac97 = NULL;
1842 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1843 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1844
1845 card = bus->card;
1846 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1847 if (ac97 == NULL)
1848 return -ENOMEM;
1849 ac97->private_data = template->private_data;
1850 ac97->private_free = template->private_free;
1851 ac97->bus = bus;
1852 ac97->pci = template->pci;
1853 ac97->num = template->num;
1854 ac97->addr = template->addr;
1855 ac97->scaps = template->scaps;
1856 ac97->limited_regs = template->limited_regs;
1857 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1858 bus->codec[ac97->num] = ac97;
1859 init_MUTEX(&ac97->reg_mutex);
1860 init_MUTEX(&ac97->page_mutex);
1861
1862 #ifdef CONFIG_PCI
1863 if (ac97->pci) {
1864 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1865 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1866 }
1867 #endif
1868 if (bus->ops->reset) {
1869 bus->ops->reset(ac97);
1870 goto __access_ok;
1871 }
1872
1873 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1874 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1875 if (ac97->id && ac97->id != (unsigned int)-1) {
1876 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1877 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1878 goto __access_ok;
1879 }
1880
1881 /* reset to defaults */
1882 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1883 snd_ac97_write(ac97, AC97_RESET, 0);
1884 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1885 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1886 if (bus->ops->wait)
1887 bus->ops->wait(ac97);
1888 else {
1889 udelay(50);
1890 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1891 err = ac97_reset_wait(ac97, HZ/2, 1);
1892 else {
1893 err = ac97_reset_wait(ac97, HZ/2, 0);
1894 if (err < 0)
1895 err = ac97_reset_wait(ac97, HZ/2, 1);
1896 }
1897 if (err < 0) {
1898 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1899 /* proceed anyway - it's often non-critical */
1900 }
1901 }
1902 __access_ok:
1903 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1904 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1905 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1906 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1907 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1908 snd_ac97_free(ac97);
1909 return -EIO;
1910 }
1911 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1912 if (pid)
1913 ac97->flags |= pid->flags;
1914
1915 /* test for AC'97 */
1916 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1917 /* test if we can write to the record gain volume register */
1918 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1919 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1920 ac97->scaps |= AC97_SCAP_AUDIO;
1921 }
1922 if (ac97->scaps & AC97_SCAP_AUDIO) {
1923 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1924 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1925 if (ac97->ext_id == 0xffff) /* invalid combination */
1926 ac97->ext_id = 0;
1927 }
1928
1929 /* test for MC'97 */
1930 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1931 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1932 if (ac97->ext_mid == 0xffff) /* invalid combination */
1933 ac97->ext_mid = 0;
1934 if (ac97->ext_mid & 1)
1935 ac97->scaps |= AC97_SCAP_MODEM;
1936 }
1937
1938 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1939 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1940 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1941 snd_ac97_free(ac97);
1942 return -EACCES;
1943 }
1944
1945 if (bus->ops->reset) // FIXME: always skipping?
1946 goto __ready_ok;
1947
1948 /* FIXME: add powerdown control */
1949 if (ac97_is_audio(ac97)) {
1950 /* nothing should be in powerdown mode */
1951 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1952 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1953 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1954 udelay(100);
1955 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1956 }
1957 /* nothing should be in powerdown mode */
1958 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1959 end_time = jiffies + (HZ / 10);
1960 do {
1961 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1962 goto __ready_ok;
1963 schedule_timeout_uninterruptible(1);
1964 } while (time_after_eq(end_time, jiffies));
1965 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1966 }
1967
1968 /* FIXME: add powerdown control */
1969 if (ac97_is_modem(ac97)) {
1970 unsigned char tmp;
1971
1972 /* nothing should be in powerdown mode */
1973 /* note: it's important to set the rate at first */
1974 tmp = AC97_MEA_GPIO;
1975 if (ac97->ext_mid & AC97_MEI_LINE1) {
1976 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1977 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
1978 }
1979 if (ac97->ext_mid & AC97_MEI_LINE2) {
1980 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1981 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
1982 }
1983 if (ac97->ext_mid & AC97_MEI_HANDSET) {
1984 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1985 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
1986 }
1987 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1988 udelay(100);
1989 /* nothing should be in powerdown mode */
1990 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1991 end_time = jiffies + (HZ / 10);
1992 do {
1993 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
1994 goto __ready_ok;
1995 schedule_timeout_uninterruptible(1);
1996 } while (time_after_eq(end_time, jiffies));
1997 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
1998 }
1999
2000 __ready_ok:
2001 if (ac97_is_audio(ac97))
2002 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2003 else
2004 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2005 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2006 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2007 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2008 if (! bus->no_vra)
2009 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2010 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2011 }
2012 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2013 /* Intel controllers require double rate data to be put in
2014 * slots 7+8, so let's hope the codec supports it. */
2015 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2016 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2017 ac97->flags |= AC97_DOUBLE_RATE;
2018 /* restore to slots 10/11 to avoid the confliction with surrounds */
2019 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2020 }
2021 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2022 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2023 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2024 } else {
2025 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2026 if (ac97->flags & AC97_DOUBLE_RATE)
2027 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2028 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2029 }
2030 if (ac97->ext_id & AC97_EI_SPDIF) {
2031 /* codec specific code (patch) should override these values */
2032 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2033 }
2034 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2035 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2036 } else {
2037 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2038 }
2039 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2040 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2041 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2042 }
2043 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2044 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2045 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2046 }
2047 /* additional initializations */
2048 if (bus->ops->init)
2049 bus->ops->init(ac97);
2050 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2051 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2052 if (! ac97->build_ops)
2053 ac97->build_ops = &null_build_ops;
2054
2055 if (ac97_is_audio(ac97)) {
2056 char comp[16];
2057 if (card->mixername[0] == '\0') {
2058 strcpy(card->mixername, name);
2059 } else {
2060 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2061 strcat(card->mixername, ",");
2062 strcat(card->mixername, name);
2063 }
2064 }
2065 sprintf(comp, "AC97a:%08x", ac97->id);
2066 if ((err = snd_component_add(card, comp)) < 0) {
2067 snd_ac97_free(ac97);
2068 return err;
2069 }
2070 if (snd_ac97_mixer_build(ac97) < 0) {
2071 snd_ac97_free(ac97);
2072 return -ENOMEM;
2073 }
2074 }
2075 if (ac97_is_modem(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, "AC97m:%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_modem_build(card, ac97) < 0) {
2091 snd_ac97_free(ac97);
2092 return -ENOMEM;
2093 }
2094 }
2095 /* make sure the proper powerdown bits are cleared */
2096 if (ac97->scaps && ac97_is_audio(ac97)) {
2097 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2098 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2099 reg &= ~AC97_EA_PRJ;
2100 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2101 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2102 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2103 }
2104 snd_ac97_proc_init(ac97);
2105 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2106 snd_ac97_free(ac97);
2107 return err;
2108 }
2109 *rac97 = ac97;
2110 return 0;
2111 }
2112
2113
2114 /*
2115 * Power down the chip.
2116 *
2117 * MASTER and HEADPHONE registers are muted but the register cache values
2118 * are not changed, so that the values can be restored in snd_ac97_resume().
2119 */
2120 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2121 {
2122 unsigned short power;
2123
2124 if (ac97_is_audio(ac97)) {
2125 /* some codecs have stereo mute bits */
2126 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2127 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2128 }
2129
2130 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2131 power |= 0x4000; /* Headphone amplifier powerdown */
2132 power |= 0x0300; /* ADC & DAC powerdown */
2133 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2134 udelay(100);
2135 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2136 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2137 udelay(100);
2138 #if 0
2139 /* FIXME: this causes click noises on some boards at resume */
2140 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2141 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2142 #endif
2143 }
2144
2145
2146 #ifdef CONFIG_PM
2147 /**
2148 * snd_ac97_suspend - General suspend function for AC97 codec
2149 * @ac97: the ac97 instance
2150 *
2151 * Suspends the codec, power down the chip.
2152 */
2153 void snd_ac97_suspend(struct snd_ac97 *ac97)
2154 {
2155 if (! ac97)
2156 return;
2157 if (ac97->build_ops->suspend)
2158 ac97->build_ops->suspend(ac97);
2159 snd_ac97_powerdown(ac97);
2160 }
2161
2162 /*
2163 * restore ac97 status
2164 */
2165 void snd_ac97_restore_status(struct snd_ac97 *ac97)
2166 {
2167 int i;
2168
2169 for (i = 2; i < 0x7c ; i += 2) {
2170 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2171 continue;
2172 /* restore only accessible registers
2173 * some chip (e.g. nm256) may hang up when unsupported registers
2174 * are accessed..!
2175 */
2176 if (test_bit(i, ac97->reg_accessed)) {
2177 snd_ac97_write(ac97, i, ac97->regs[i]);
2178 snd_ac97_read(ac97, i);
2179 }
2180 }
2181 }
2182
2183 /*
2184 * restore IEC958 status
2185 */
2186 void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2187 {
2188 if (ac97->ext_id & AC97_EI_SPDIF) {
2189 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2190 /* reset spdif status */
2191 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2192 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2193 if (ac97->flags & AC97_CS_SPDIF)
2194 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2195 else
2196 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2197 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2198 }
2199 }
2200 }
2201
2202 /**
2203 * snd_ac97_resume - General resume function for AC97 codec
2204 * @ac97: the ac97 instance
2205 *
2206 * Do the standard resume procedure, power up and restoring the
2207 * old register values.
2208 */
2209 void snd_ac97_resume(struct snd_ac97 *ac97)
2210 {
2211 unsigned long end_time;
2212
2213 if (! ac97)
2214 return;
2215
2216 if (ac97->bus->ops->reset) {
2217 ac97->bus->ops->reset(ac97);
2218 goto __reset_ready;
2219 }
2220
2221 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2222 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2223 snd_ac97_write(ac97, AC97_RESET, 0);
2224 udelay(100);
2225 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2226 }
2227 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2228
2229 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2230 if (ac97_is_audio(ac97)) {
2231 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2232 end_time = jiffies + msecs_to_jiffies(100);
2233 do {
2234 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2235 break;
2236 schedule_timeout_uninterruptible(1);
2237 } while (time_after_eq(end_time, jiffies));
2238 /* FIXME: extra delay */
2239 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2240 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2241 msleep(250);
2242 } else {
2243 end_time = jiffies + msecs_to_jiffies(100);
2244 do {
2245 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2246 if (val != 0xffff && (val & 1) != 0)
2247 break;
2248 schedule_timeout_uninterruptible(1);
2249 } while (time_after_eq(end_time, jiffies));
2250 }
2251 __reset_ready:
2252
2253 if (ac97->bus->ops->init)
2254 ac97->bus->ops->init(ac97);
2255
2256 if (ac97->build_ops->resume)
2257 ac97->build_ops->resume(ac97);
2258 else {
2259 snd_ac97_restore_status(ac97);
2260 snd_ac97_restore_iec958(ac97);
2261 }
2262 }
2263 #endif
2264
2265
2266 /*
2267 * Hardware tuning
2268 */
2269 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2270 {
2271 if (suffix)
2272 sprintf(dst, "%s %s", src, suffix);
2273 else
2274 strcpy(dst, src);
2275 }
2276
2277 /* remove the control with the given name and optional suffix */
2278 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
2279 {
2280 struct snd_ctl_elem_id id;
2281 memset(&id, 0, sizeof(id));
2282 set_ctl_name(id.name, name, suffix);
2283 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2284 return snd_ctl_remove_id(ac97->bus->card, &id);
2285 }
2286
2287 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2288 {
2289 struct snd_ctl_elem_id sid;
2290 memset(&sid, 0, sizeof(sid));
2291 set_ctl_name(sid.name, name, suffix);
2292 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2293 return snd_ctl_find_id(ac97->bus->card, &sid);
2294 }
2295
2296 /* rename the control with the given name and optional suffix */
2297 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
2298 {
2299 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2300 if (kctl) {
2301 set_ctl_name(kctl->id.name, dst, suffix);
2302 return 0;
2303 }
2304 return -ENOENT;
2305 }
2306
2307 /* rename both Volume and Switch controls - don't check the return value */
2308 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
2309 {
2310 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2311 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2312 }
2313
2314 /* swap controls */
2315 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
2316 {
2317 struct snd_kcontrol *kctl1, *kctl2;
2318 kctl1 = ctl_find(ac97, s1, suffix);
2319 kctl2 = ctl_find(ac97, s2, suffix);
2320 if (kctl1 && kctl2) {
2321 set_ctl_name(kctl1->id.name, s2, suffix);
2322 set_ctl_name(kctl2->id.name, s1, suffix);
2323 return 0;
2324 }
2325 return -ENOENT;
2326 }
2327
2328 #if 1
2329 /* bind hp and master controls instead of using only hp control */
2330 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2331 {
2332 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2333 if (err > 0) {
2334 unsigned long priv_saved = kcontrol->private_value;
2335 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2336 snd_ac97_put_volsw(kcontrol, ucontrol);
2337 kcontrol->private_value = priv_saved;
2338 }
2339 return err;
2340 }
2341
2342 /* ac97 tune: bind Master and Headphone controls */
2343 static int tune_hp_only(struct snd_ac97 *ac97)
2344 {
2345 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2346 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2347 if (! msw || ! mvol)
2348 return -ENOENT;
2349 msw->put = bind_hp_volsw_put;
2350 mvol->put = bind_hp_volsw_put;
2351 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2352 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2353 return 0;
2354 }
2355
2356 #else
2357 /* ac97 tune: use Headphone control as master */
2358 static int tune_hp_only(struct snd_ac97 *ac97)
2359 {
2360 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2361 return -ENOENT;
2362 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2363 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2364 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2365 return 0;
2366 }
2367 #endif
2368
2369 /* ac97 tune: swap Headphone and Master controls */
2370 static int tune_swap_hp(struct snd_ac97 *ac97)
2371 {
2372 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2373 return -ENOENT;
2374 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2375 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2376 return 0;
2377 }
2378
2379 /* ac97 tune: swap Surround and Master controls */
2380 static int tune_swap_surround(struct snd_ac97 *ac97)
2381 {
2382 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2383 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2384 return -ENOENT;
2385 return 0;
2386 }
2387
2388 /* ac97 tune: set up mic sharing for AD codecs */
2389 static int tune_ad_sharing(struct snd_ac97 *ac97)
2390 {
2391 unsigned short scfg;
2392 if ((ac97->id & 0xffffff00) != 0x41445300) {
2393 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2394 return -EINVAL;
2395 }
2396 /* Turn on OMS bit to route microphone to back panel */
2397 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2398 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2399 return 0;
2400 }
2401
2402 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2403 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2404
2405 /* ac97 tune: set up ALC jack-select */
2406 static int tune_alc_jack(struct snd_ac97 *ac97)
2407 {
2408 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2409 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2410 return -EINVAL;
2411 }
2412 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2413 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2414 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2415 }
2416
2417 /* ac97 tune: inversed EAPD bit */
2418 static int tune_inv_eapd(struct snd_ac97 *ac97)
2419 {
2420 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2421 if (! kctl)
2422 return -ENOENT;
2423 set_inv_eapd(ac97, kctl);
2424 return 0;
2425 }
2426
2427 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2428 {
2429 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2430 if (err > 0) {
2431 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2432 int shift = (kcontrol->private_value >> 8) & 0x0f;
2433 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2434 unsigned short mask;
2435 if (shift != rshift)
2436 mask = 0x8080;
2437 else
2438 mask = 0x8000;
2439 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2440 (ac97->regs[AC97_MASTER] & mask) == mask ?
2441 0x8000 : 0);
2442 }
2443 return err;
2444 }
2445
2446 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2447 static int tune_mute_led(struct snd_ac97 *ac97)
2448 {
2449 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2450 if (! msw)
2451 return -ENOENT;
2452 msw->put = master_mute_sw_put;
2453 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2454 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2455 return 0;
2456 }
2457
2458 struct quirk_table {
2459 const char *name;
2460 int (*func)(struct snd_ac97 *);
2461 };
2462
2463 static struct quirk_table applicable_quirks[] = {
2464 { "none", NULL },
2465 { "hp_only", tune_hp_only },
2466 { "swap_hp", tune_swap_hp },
2467 { "swap_surround", tune_swap_surround },
2468 { "ad_sharing", tune_ad_sharing },
2469 { "alc_jack", tune_alc_jack },
2470 { "inv_eapd", tune_inv_eapd },
2471 { "mute_led", tune_mute_led },
2472 };
2473
2474 /* apply the quirk with the given type */
2475 static int apply_quirk(struct snd_ac97 *ac97, int type)
2476 {
2477 if (type <= 0)
2478 return 0;
2479 else if (type >= ARRAY_SIZE(applicable_quirks))
2480 return -EINVAL;
2481 if (applicable_quirks[type].func)
2482 return applicable_quirks[type].func(ac97);
2483 return 0;
2484 }
2485
2486 /* apply the quirk with the given name */
2487 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2488 {
2489 int i;
2490 struct quirk_table *q;
2491
2492 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2493 q = &applicable_quirks[i];
2494 if (q->name && ! strcmp(typestr, q->name))
2495 return apply_quirk(ac97, i);
2496 }
2497 /* for compatibility, accept the numbers, too */
2498 if (*typestr >= '0' && *typestr <= '9')
2499 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2500 return -EINVAL;
2501 }
2502
2503 /**
2504 * snd_ac97_tune_hardware - tune up the hardware
2505 * @ac97: the ac97 instance
2506 * @quirk: quirk list
2507 * @override: explicit quirk value (overrides the list if non-NULL)
2508 *
2509 * Do some workaround for each pci device, such as renaming of the
2510 * headphone (true line-out) control as "Master".
2511 * The quirk-list must be terminated with a zero-filled entry.
2512 *
2513 * Returns zero if successful, or a negative error code on failure.
2514 */
2515
2516 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2517 {
2518 int result;
2519
2520 /* quirk overriden? */
2521 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2522 result = apply_quirk_str(ac97, override);
2523 if (result < 0)
2524 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2525 return result;
2526 }
2527
2528 if (! quirk)
2529 return -EINVAL;
2530
2531 for (; quirk->subvendor; quirk++) {
2532 if (quirk->subvendor != ac97->subsystem_vendor)
2533 continue;
2534 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2535 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2536 if (quirk->codec_id && quirk->codec_id != ac97->id)
2537 continue;
2538 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2539 result = apply_quirk(ac97, quirk->type);
2540 if (result < 0)
2541 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2542 return result;
2543 }
2544 }
2545 return 0;
2546 }
2547
2548
2549 /*
2550 * Exported symbols
2551 */
2552
2553 EXPORT_SYMBOL(snd_ac97_write);
2554 EXPORT_SYMBOL(snd_ac97_read);
2555 EXPORT_SYMBOL(snd_ac97_write_cache);
2556 EXPORT_SYMBOL(snd_ac97_update);
2557 EXPORT_SYMBOL(snd_ac97_update_bits);
2558 EXPORT_SYMBOL(snd_ac97_get_short_name);
2559 EXPORT_SYMBOL(snd_ac97_bus);
2560 EXPORT_SYMBOL(snd_ac97_mixer);
2561 EXPORT_SYMBOL(snd_ac97_pcm_assign);
2562 EXPORT_SYMBOL(snd_ac97_pcm_open);
2563 EXPORT_SYMBOL(snd_ac97_pcm_close);
2564 EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2565 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2566 EXPORT_SYMBOL(snd_ac97_set_rate);
2567 #ifdef CONFIG_PM
2568 EXPORT_SYMBOL(snd_ac97_resume);
2569 EXPORT_SYMBOL(snd_ac97_suspend);
2570 #endif
2571
2572 /*
2573 * INIT part
2574 */
2575
2576 static int __init alsa_ac97_init(void)
2577 {
2578 return 0;
2579 }
2580
2581 static void __exit alsa_ac97_exit(void)
2582 {
2583 }
2584
2585 module_init(alsa_ac97_init)
2586 module_exit(alsa_ac97_exit)
Linux kernel - Deliverables
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