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V4L/DVB (4239): Handle boolean controls in pvrusb2
[linux-2.6/libata-dev.git] / sound / pci / ac97 / ac97_codec.c
blob0abf2808d59f7e375db77dd2c2f0d23eb07640c3
1 /*
2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * Universal interface for Audio Codec '97
4 *
5 * For more details look to AC '97 component specification revision 2.2
6 * by Intel Corporation (http://developer.intel.com).
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25 #include <sound/driver.h>
26 #include <linux/delay.h>
27 #include <linux/init.h>
28 #include <linux/slab.h>
29 #include <linux/pci.h>
30 #include <linux/moduleparam.h>
31 #include <linux/mutex.h>
32 #include <sound/core.h>
33 #include <sound/pcm.h>
34 #include <sound/ac97_codec.h>
35 #include <sound/asoundef.h>
36 #include <sound/initval.h>
37 #include "ac97_local.h"
38 #include "ac97_id.h"
39 #include "ac97_patch.h"
40
41 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
42 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
43 MODULE_LICENSE("GPL");
44
45 static int enable_loopback;
46
47 module_param(enable_loopback, bool, 0444);
48 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
49
50 /*
51
52 */
53
54 struct ac97_codec_id {
55 unsigned int id;
56 unsigned int mask;
57 const char *name;
58 int (*patch)(struct snd_ac97 *ac97);
59 int (*mpatch)(struct snd_ac97 *ac97);
60 unsigned int flags;
61 };
62
63 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
64 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
65 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
66 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
67 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
68 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
69 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
70 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
71 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
72 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
73 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
74 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
75 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
76 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
77 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
78 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
79 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
80 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
81 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
82 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
83 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
84 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
85 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
86 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
87 { 0, 0, NULL, NULL, NULL }
88 };
89
90 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
91 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
92 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
93 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
94 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
95 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
96 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
97 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
98 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
99 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
100 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
101 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
102 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
103 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
104 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
105 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
106 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
107 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
108 { 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL },
109 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
110 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
111 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
112 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
113 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
114 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
115 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
116 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
117 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
118 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
119 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
120 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
121 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
122 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
123 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
124 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
125 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
126 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
127 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
128 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
129 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
130 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
131 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
132 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
133 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
134 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
135 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
136 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
137 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
138 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
139 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
140 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
141 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
142 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
143 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
144 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
145 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
146 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
147 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
148 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
149 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
150 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
151 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
152 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
153 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
154 { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
155 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
156 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
157 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
158 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
159 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
160 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
161 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
162 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
163 { 0x56494182, 0xffffffff, "VIA1618", NULL, NULL },
164 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
165 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
166 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
167 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
168 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
169 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
170 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
171 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
172 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
173 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
174 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
175 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
176 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
177 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
178 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
179 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
180 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
181 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
182 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
183 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
184 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
185 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
186 { 0, 0, NULL, NULL, NULL }
187 };
188
189
190 /*
191 * I/O routines
192 */
193
194 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
195 {
196 /* filter some registers for buggy codecs */
197 switch (ac97->id) {
198 case AC97_ID_AK4540:
199 case AC97_ID_AK4542:
200 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
201 return 1;
202 return 0;
203 case AC97_ID_AD1819: /* AD1819 */
204 case AC97_ID_AD1881: /* AD1881 */
205 case AC97_ID_AD1881A: /* AD1881A */
206 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
207 return 0;
208 return 1;
209 case AC97_ID_AD1885: /* AD1885 */
210 case AC97_ID_AD1886: /* AD1886 */
211 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
212 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
213 if (reg == 0x5a)
214 return 1;
215 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
216 return 0;
217 return 1;
218 case AC97_ID_STAC9700:
219 case AC97_ID_STAC9704:
220 case AC97_ID_STAC9705:
221 case AC97_ID_STAC9708:
222 case AC97_ID_STAC9721:
223 case AC97_ID_STAC9744:
224 case AC97_ID_STAC9756:
225 if (reg <= 0x3a || reg >= 0x5a)
226 return 1;
227 return 0;
228 }
229 return 1;
230 }
231
232 /**
233 * snd_ac97_write - write a value on the given register
234 * @ac97: the ac97 instance
235 * @reg: the register to change
236 * @value: the value to set
237 *
238 * Writes a value on the given register. This will invoke the write
239 * callback directly after the register check.
240 * This function doesn't change the register cache unlike
241 * #snd_ca97_write_cache(), so use this only when you don't want to
242 * reflect the change to the suspend/resume state.
243 */
244 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
245 {
246 if (!snd_ac97_valid_reg(ac97, reg))
247 return;
248 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
249 /* Fix H/W bug of ALC100/100P */
250 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
251 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
252 }
253 ac97->bus->ops->write(ac97, reg, value);
254 }
255
256 EXPORT_SYMBOL(snd_ac97_write);
257
258 /**
259 * snd_ac97_read - read a value from the given register
260 *
261 * @ac97: the ac97 instance
262 * @reg: the register to read
263 *
264 * Reads a value from the given register. This will invoke the read
265 * callback directly after the register check.
266 *
267 * Returns the read value.
268 */
269 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
270 {
271 if (!snd_ac97_valid_reg(ac97, reg))
272 return 0;
273 return ac97->bus->ops->read(ac97, reg);
274 }
275
276 /* read a register - return the cached value if already read */
277 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
278 {
279 if (! test_bit(reg, ac97->reg_accessed)) {
280 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
281 // set_bit(reg, ac97->reg_accessed);
282 }
283 return ac97->regs[reg];
284 }
285
286 EXPORT_SYMBOL(snd_ac97_read);
287
288 /**
289 * snd_ac97_write_cache - write a value on the given register and update the cache
290 * @ac97: the ac97 instance
291 * @reg: the register to change
292 * @value: the value to set
293 *
294 * Writes a value on the given register and updates the register
295 * cache. The cached values are used for the cached-read and the
296 * suspend/resume.
297 */
298 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
299 {
300 if (!snd_ac97_valid_reg(ac97, reg))
301 return;
302 mutex_lock(&ac97->reg_mutex);
303 ac97->regs[reg] = value;
304 ac97->bus->ops->write(ac97, reg, value);
305 set_bit(reg, ac97->reg_accessed);
306 mutex_unlock(&ac97->reg_mutex);
307 }
308
309 EXPORT_SYMBOL(snd_ac97_write_cache);
310
311 /**
312 * snd_ac97_update - update the value on the given register
313 * @ac97: the ac97 instance
314 * @reg: the register to change
315 * @value: the value to set
316 *
317 * Compares the value with the register cache and updates the value
318 * only when the value is changed.
319 *
320 * Returns 1 if the value is changed, 0 if no change, or a negative
321 * code on failure.
322 */
323 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
324 {
325 int change;
326
327 if (!snd_ac97_valid_reg(ac97, reg))
328 return -EINVAL;
329 mutex_lock(&ac97->reg_mutex);
330 change = ac97->regs[reg] != value;
331 if (change) {
332 ac97->regs[reg] = value;
333 ac97->bus->ops->write(ac97, reg, value);
334 }
335 set_bit(reg, ac97->reg_accessed);
336 mutex_unlock(&ac97->reg_mutex);
337 return change;
338 }
339
340 EXPORT_SYMBOL(snd_ac97_update);
341
342 /**
343 * snd_ac97_update_bits - update the bits on the given register
344 * @ac97: the ac97 instance
345 * @reg: the register to change
346 * @mask: the bit-mask to change
347 * @value: the value to set
348 *
349 * Updates the masked-bits on the given register only when the value
350 * is changed.
351 *
352 * Returns 1 if the bits are changed, 0 if no change, or a negative
353 * code on failure.
354 */
355 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
356 {
357 int change;
358
359 if (!snd_ac97_valid_reg(ac97, reg))
360 return -EINVAL;
361 mutex_lock(&ac97->reg_mutex);
362 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
363 mutex_unlock(&ac97->reg_mutex);
364 return change;
365 }
366
367 EXPORT_SYMBOL(snd_ac97_update_bits);
368
369 /* no lock version - see snd_ac97_updat_bits() */
370 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
371 unsigned short mask, unsigned short value)
372 {
373 int change;
374 unsigned short old, new;
375
376 old = snd_ac97_read_cache(ac97, reg);
377 new = (old & ~mask) | value;
378 change = old != new;
379 if (change) {
380 ac97->regs[reg] = new;
381 ac97->bus->ops->write(ac97, reg, new);
382 }
383 set_bit(reg, ac97->reg_accessed);
384 return change;
385 }
386
387 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
388 {
389 int change;
390 unsigned short old, new, cfg;
391
392 mutex_lock(&ac97->page_mutex);
393 old = ac97->spec.ad18xx.pcmreg[codec];
394 new = (old & ~mask) | value;
395 change = old != new;
396 if (change) {
397 mutex_lock(&ac97->reg_mutex);
398 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
399 ac97->spec.ad18xx.pcmreg[codec] = new;
400 /* select single codec */
401 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
402 (cfg & ~0x7000) |
403 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
404 /* update PCM bits */
405 ac97->bus->ops->write(ac97, AC97_PCM, new);
406 /* select all codecs */
407 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
408 cfg | 0x7000);
409 mutex_unlock(&ac97->reg_mutex);
410 }
411 mutex_unlock(&ac97->page_mutex);
412 return change;
413 }
414
415 /*
416 * Controls
417 */
418
419 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
420 {
421 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
422
423 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
424 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
425 uinfo->value.enumerated.items = e->mask;
426
427 if (uinfo->value.enumerated.item > e->mask - 1)
428 uinfo->value.enumerated.item = e->mask - 1;
429 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
430 return 0;
431 }
432
433 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
434 {
435 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
436 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
437 unsigned short val, bitmask;
438
439 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
440 ;
441 val = snd_ac97_read_cache(ac97, e->reg);
442 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
443 if (e->shift_l != e->shift_r)
444 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
445
446 return 0;
447 }
448
449 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
450 {
451 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
452 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
453 unsigned short val;
454 unsigned short mask, bitmask;
455
456 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
457 ;
458 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
459 return -EINVAL;
460 val = ucontrol->value.enumerated.item[0] << e->shift_l;
461 mask = (bitmask - 1) << e->shift_l;
462 if (e->shift_l != e->shift_r) {
463 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
464 return -EINVAL;
465 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
466 mask |= (bitmask - 1) << e->shift_r;
467 }
468 return snd_ac97_update_bits(ac97, e->reg, mask, val);
469 }
470
471 /* save/restore ac97 v2.3 paging */
472 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
473 {
474 int page_save = -1;
475 if ((kcontrol->private_value & (1<<25)) &&
476 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
477 (reg >= 0x60 && reg < 0x70)) {
478 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
479 mutex_lock(&ac97->page_mutex); /* lock paging */
480 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
481 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
482 }
483 return page_save;
484 }
485
486 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
487 {
488 if (page_save >= 0) {
489 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
490 mutex_unlock(&ac97->page_mutex); /* unlock paging */
491 }
492 }
493
494 /* volume and switch controls */
495 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
496 {
497 int mask = (kcontrol->private_value >> 16) & 0xff;
498 int shift = (kcontrol->private_value >> 8) & 0x0f;
499 int rshift = (kcontrol->private_value >> 12) & 0x0f;
500
501 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
502 uinfo->count = shift == rshift ? 1 : 2;
503 uinfo->value.integer.min = 0;
504 uinfo->value.integer.max = mask;
505 return 0;
506 }
507
508 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
509 {
510 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
511 int reg = kcontrol->private_value & 0xff;
512 int shift = (kcontrol->private_value >> 8) & 0x0f;
513 int rshift = (kcontrol->private_value >> 12) & 0x0f;
514 int mask = (kcontrol->private_value >> 16) & 0xff;
515 int invert = (kcontrol->private_value >> 24) & 0x01;
516 int page_save;
517
518 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
519 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
520 if (shift != rshift)
521 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
522 if (invert) {
523 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
524 if (shift != rshift)
525 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
526 }
527 snd_ac97_page_restore(ac97, page_save);
528 return 0;
529 }
530
531 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
532 {
533 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
534 int reg = kcontrol->private_value & 0xff;
535 int shift = (kcontrol->private_value >> 8) & 0x0f;
536 int rshift = (kcontrol->private_value >> 12) & 0x0f;
537 int mask = (kcontrol->private_value >> 16) & 0xff;
538 int invert = (kcontrol->private_value >> 24) & 0x01;
539 int err, page_save;
540 unsigned short val, val2, val_mask;
541
542 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
543 val = (ucontrol->value.integer.value[0] & mask);
544 if (invert)
545 val = mask - val;
546 val_mask = mask << shift;
547 val = val << shift;
548 if (shift != rshift) {
549 val2 = (ucontrol->value.integer.value[1] & mask);
550 if (invert)
551 val2 = mask - val2;
552 val_mask |= mask << rshift;
553 val |= val2 << rshift;
554 }
555 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
556 snd_ac97_page_restore(ac97, page_save);
557 return err;
558 }
559
560 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
561 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
562 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
563 };
564
565 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
566 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
567 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
568 };
569
570 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
571 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
572 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
573 };
574
575 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
576 AC97_SINGLE("Mic Boost (+20dB) Switch", AC97_MIC, 6, 1, 0);
577
578
579 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
580 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
581 static const char* std_mix[] = {"Mix", "Mic"};
582 static const char* std_mic[] = {"Mic1", "Mic2"};
583
584 static const struct ac97_enum std_enum[] = {
585 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
586 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
587 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
588 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
589 };
590
591 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
592 AC97_ENUM("Capture Source", std_enum[0]);
593
594 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
595 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
596
597 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
598 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
599 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
600 };
601
602 enum {
603 AC97_GENERAL_PCM_OUT = 0,
604 AC97_GENERAL_STEREO_ENHANCEMENT,
605 AC97_GENERAL_3D,
606 AC97_GENERAL_LOUDNESS,
607 AC97_GENERAL_MONO,
608 AC97_GENERAL_MIC,
609 AC97_GENERAL_LOOPBACK
610 };
611
612 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
613 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
614 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
615 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
616 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
617 AC97_ENUM("Mono Output Select", std_enum[2]),
618 AC97_ENUM("Mic Select Capture Switch", std_enum[3]),
619 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
620 };
621
622 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
623 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
624 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
625 };
626
627 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
628 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
629 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
630 };
631
632 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
633 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
634 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
635 };
636
637 static const struct snd_kcontrol_new snd_ac97_control_eapd =
638 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
639
640 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
641 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
642 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
643 };
644
645 /* change the existing EAPD control as inverted */
646 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
647 {
648 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
649 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
650 ac97->scaps |= AC97_SCAP_INV_EAPD;
651 }
652
653 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
654 {
655 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
656 uinfo->count = 1;
657 return 0;
658 }
659
660 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
661 {
662 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
663 IEC958_AES0_NONAUDIO |
664 IEC958_AES0_CON_EMPHASIS_5015 |
665 IEC958_AES0_CON_NOT_COPYRIGHT;
666 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
667 IEC958_AES1_CON_ORIGINAL;
668 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
669 return 0;
670 }
671
672 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
673 {
674 /* FIXME: AC'97 spec doesn't say which bits are used for what */
675 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
676 IEC958_AES0_NONAUDIO |
677 IEC958_AES0_PRO_FS |
678 IEC958_AES0_PRO_EMPHASIS_5015;
679 return 0;
680 }
681
682 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
683 {
684 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
685
686 mutex_lock(&ac97->reg_mutex);
687 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
688 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
689 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
690 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
691 mutex_unlock(&ac97->reg_mutex);
692 return 0;
693 }
694
695 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
696 {
697 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
698 unsigned int new = 0;
699 unsigned short val = 0;
700 int change;
701
702 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
703 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
704 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
705 switch (new & IEC958_AES0_PRO_FS) {
706 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
707 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
708 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
709 default: val |= 1<<12; break;
710 }
711 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
712 val |= 1<<3;
713 } else {
714 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
715 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
716 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
717 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
718 val |= 1<<3;
719 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
720 val |= 1<<2;
721 val |= ((new >> 8) & 0xff) << 4; // category + original
722 switch ((new >> 24) & 0xff) {
723 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
724 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
725 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
726 default: val |= 1<<12; break;
727 }
728 }
729
730 mutex_lock(&ac97->reg_mutex);
731 change = ac97->spdif_status != new;
732 ac97->spdif_status = new;
733
734 if (ac97->flags & AC97_CS_SPDIF) {
735 int x = (val >> 12) & 0x03;
736 switch (x) {
737 case 0: x = 1; break; // 44.1
738 case 2: x = 0; break; // 48.0
739 default: x = 0; break; // illegal.
740 }
741 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
742 } else if (ac97->flags & AC97_CX_SPDIF) {
743 int v;
744 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
745 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
746 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
747 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
748 v);
749 } else {
750 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
751 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
752
753 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
754 if (extst & AC97_EA_SPDIF) {
755 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
756 }
757 }
758 mutex_unlock(&ac97->reg_mutex);
759
760 return change;
761 }
762
763 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
764 {
765 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
766 int reg = kcontrol->private_value & 0xff;
767 int shift = (kcontrol->private_value >> 8) & 0xff;
768 int mask = (kcontrol->private_value >> 16) & 0xff;
769 // int invert = (kcontrol->private_value >> 24) & 0xff;
770 unsigned short value, old, new;
771 int change;
772
773 value = (ucontrol->value.integer.value[0] & mask);
774
775 mutex_lock(&ac97->reg_mutex);
776 mask <<= shift;
777 value <<= shift;
778 old = snd_ac97_read_cache(ac97, reg);
779 new = (old & ~mask) | value;
780 change = old != new;
781
782 if (change) {
783 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
784 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
785 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
786 if (extst & AC97_EA_SPDIF)
787 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
788 }
789 mutex_unlock(&ac97->reg_mutex);
790 return change;
791 }
792
793 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
794 {
795 .access = SNDRV_CTL_ELEM_ACCESS_READ,
796 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
797 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
798 .info = snd_ac97_spdif_mask_info,
799 .get = snd_ac97_spdif_cmask_get,
800 },
801 {
802 .access = SNDRV_CTL_ELEM_ACCESS_READ,
803 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
804 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
805 .info = snd_ac97_spdif_mask_info,
806 .get = snd_ac97_spdif_pmask_get,
807 },
808 {
809 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
810 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
811 .info = snd_ac97_spdif_mask_info,
812 .get = snd_ac97_spdif_default_get,
813 .put = snd_ac97_spdif_default_put,
814 },
815
816 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
817 {
818 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
819 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
820 .info = snd_ac97_info_volsw,
821 .get = snd_ac97_get_volsw,
822 .put = snd_ac97_put_spsa,
823 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
824 },
825 };
826
827 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
828 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
829 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
830 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
831
832 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
833 {
834 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
835 int mask = (kcontrol->private_value >> 16) & 0x0f;
836 int lshift = (kcontrol->private_value >> 8) & 0x0f;
837 int rshift = (kcontrol->private_value >> 12) & 0x0f;
838
839 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
840 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
841 uinfo->count = 2;
842 else
843 uinfo->count = 1;
844 uinfo->value.integer.min = 0;
845 uinfo->value.integer.max = mask;
846 return 0;
847 }
848
849 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
850 {
851 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
852 int codec = kcontrol->private_value & 3;
853 int lshift = (kcontrol->private_value >> 8) & 0x0f;
854 int rshift = (kcontrol->private_value >> 12) & 0x0f;
855 int mask = (kcontrol->private_value >> 16) & 0xff;
856
857 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
858 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
859 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
860 return 0;
861 }
862
863 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
864 {
865 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
866 int codec = kcontrol->private_value & 3;
867 int lshift = (kcontrol->private_value >> 8) & 0x0f;
868 int rshift = (kcontrol->private_value >> 12) & 0x0f;
869 int mask = (kcontrol->private_value >> 16) & 0xff;
870 unsigned short val, valmask;
871
872 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
873 valmask = mask << lshift;
874 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
875 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
876 valmask |= mask << rshift;
877 }
878 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
879 }
880
881 #define AD18XX_PCM_VOLUME(xname, codec) \
882 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
883 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
884 .private_value = codec }
885
886 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
887 {
888 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
889 uinfo->count = 2;
890 uinfo->value.integer.min = 0;
891 uinfo->value.integer.max = 31;
892 return 0;
893 }
894
895 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
896 {
897 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
898 int codec = kcontrol->private_value & 3;
899
900 mutex_lock(&ac97->page_mutex);
901 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
902 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
903 mutex_unlock(&ac97->page_mutex);
904 return 0;
905 }
906
907 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
908 {
909 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
910 int codec = kcontrol->private_value & 3;
911 unsigned short val1, val2;
912
913 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
914 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
915 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
916 }
917
918 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
919 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
920 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
921 };
922
923 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
924 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
925 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
926 };
927
928 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
929 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
930 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
931 };
932
933 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
934 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
935 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
936 };
937
938 /*
939 *
940 */
941
942 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
943
944 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
945 {
946 if (bus) {
947 snd_ac97_bus_proc_done(bus);
948 kfree(bus->pcms);
949 if (bus->private_free)
950 bus->private_free(bus);
951 kfree(bus);
952 }
953 return 0;
954 }
955
956 static int snd_ac97_bus_dev_free(struct snd_device *device)
957 {
958 struct snd_ac97_bus *bus = device->device_data;
959 return snd_ac97_bus_free(bus);
960 }
961
962 static int snd_ac97_free(struct snd_ac97 *ac97)
963 {
964 if (ac97) {
965 snd_ac97_proc_done(ac97);
966 if (ac97->bus)
967 ac97->bus->codec[ac97->num] = NULL;
968 if (ac97->private_free)
969 ac97->private_free(ac97);
970 kfree(ac97);
971 }
972 return 0;
973 }
974
975 static int snd_ac97_dev_free(struct snd_device *device)
976 {
977 struct snd_ac97 *ac97 = device->device_data;
978 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
979 return snd_ac97_free(ac97);
980 }
981
982 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
983 {
984 unsigned short val, mask = 0x8000;
985
986 if (! snd_ac97_valid_reg(ac97, reg))
987 return 0;
988
989 switch (reg) {
990 case AC97_MASTER_TONE:
991 return ac97->caps & 0x04 ? 1 : 0;
992 case AC97_HEADPHONE:
993 return ac97->caps & 0x10 ? 1 : 0;
994 case AC97_REC_GAIN_MIC:
995 return ac97->caps & 0x01 ? 1 : 0;
996 case AC97_3D_CONTROL:
997 if (ac97->caps & 0x7c00) {
998 val = snd_ac97_read(ac97, reg);
999 /* if nonzero - fixed and we can't set it */
1000 return val == 0;
1001 }
1002 return 0;
1003 case AC97_CENTER_LFE_MASTER: /* center */
1004 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1005 return 0;
1006 break;
1007 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1008 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1009 return 0;
1010 reg = AC97_CENTER_LFE_MASTER;
1011 mask = 0x0080;
1012 break;
1013 case AC97_SURROUND_MASTER:
1014 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1015 return 0;
1016 break;
1017 }
1018
1019 val = snd_ac97_read(ac97, reg);
1020 if (!(val & mask)) {
1021 /* nothing seems to be here - mute flag is not set */
1022 /* try another test */
1023 snd_ac97_write_cache(ac97, reg, val | mask);
1024 val = snd_ac97_read(ac97, reg);
1025 val = snd_ac97_read(ac97, reg);
1026 if (!(val & mask))
1027 return 0; /* nothing here */
1028 }
1029 return 1; /* success, useable */
1030 }
1031
1032 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1033 {
1034 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1035 unsigned char max[3] = { 63, 31, 15 };
1036 int i;
1037
1038 /* first look up the static resolution table */
1039 if (ac97->res_table) {
1040 const struct snd_ac97_res_table *tbl;
1041 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1042 if (tbl->reg == reg) {
1043 *lo_max = tbl->bits & 0xff;
1044 *hi_max = (tbl->bits >> 8) & 0xff;
1045 return;
1046 }
1047 }
1048 }
1049
1050 *lo_max = *hi_max = 0;
1051 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1052 unsigned short val;
1053 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1054 /* Do the read twice due to buffers on some ac97 codecs.
1055 * e.g. The STAC9704 returns exactly what you wrote the the register
1056 * if you read it immediately. This causes the detect routine to fail.
1057 */
1058 val = snd_ac97_read(ac97, reg);
1059 val = snd_ac97_read(ac97, reg);
1060 if (! *lo_max && (val & 0x7f) == cbit[i])
1061 *lo_max = max[i];
1062 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1063 *hi_max = max[i];
1064 if (*lo_max && *hi_max)
1065 break;
1066 }
1067 }
1068
1069 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1070 {
1071 unsigned short mask, val, orig, res;
1072
1073 mask = 1 << bit;
1074 orig = snd_ac97_read(ac97, reg);
1075 val = orig ^ mask;
1076 snd_ac97_write(ac97, reg, val);
1077 res = snd_ac97_read(ac97, reg);
1078 snd_ac97_write_cache(ac97, reg, orig);
1079 return res == val;
1080 }
1081
1082 /* check the volume resolution of center/lfe */
1083 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1084 {
1085 unsigned short val, val1;
1086
1087 *max = 63;
1088 val = 0x8080 | (0x20 << shift);
1089 snd_ac97_write(ac97, reg, val);
1090 val1 = snd_ac97_read(ac97, reg);
1091 if (val != val1) {
1092 *max = 31;
1093 }
1094 /* reset volume to zero */
1095 snd_ac97_write_cache(ac97, reg, 0x8080);
1096 }
1097
1098 static inline int printable(unsigned int x)
1099 {
1100 x &= 0xff;
1101 if (x < ' ' || x >= 0x71) {
1102 if (x <= 0x89)
1103 return x - 0x71 + 'A';
1104 return '?';
1105 }
1106 return x;
1107 }
1108
1109 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1110 {
1111 struct snd_kcontrol_new template;
1112 memcpy(&template, _template, sizeof(template));
1113 template.index = ac97->num;
1114 return snd_ctl_new1(&template, ac97);
1115 }
1116
1117 /*
1118 * create mute switch(es) for normal stereo controls
1119 */
1120 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, int check_stereo, struct snd_ac97 *ac97)
1121 {
1122 struct snd_kcontrol *kctl;
1123 int err;
1124 unsigned short val, val1, mute_mask;
1125
1126 if (! snd_ac97_valid_reg(ac97, reg))
1127 return 0;
1128
1129 mute_mask = 0x8000;
1130 val = snd_ac97_read(ac97, reg);
1131 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1132 /* check whether both mute bits work */
1133 val1 = val | 0x8080;
1134 snd_ac97_write(ac97, reg, val1);
1135 if (val1 == snd_ac97_read(ac97, reg))
1136 mute_mask = 0x8080;
1137 }
1138 if (mute_mask == 0x8080) {
1139 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1140 tmp.index = ac97->num;
1141 kctl = snd_ctl_new1(&tmp, ac97);
1142 } else {
1143 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1144 tmp.index = ac97->num;
1145 kctl = snd_ctl_new1(&tmp, ac97);
1146 }
1147 err = snd_ctl_add(card, kctl);
1148 if (err < 0)
1149 return err;
1150 /* mute as default */
1151 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1152 return 0;
1153 }
1154
1155 /*
1156 * create a volume for normal stereo/mono controls
1157 */
1158 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1159 unsigned int hi_max, struct snd_ac97 *ac97)
1160 {
1161 int err;
1162 struct snd_kcontrol *kctl;
1163
1164 if (! snd_ac97_valid_reg(ac97, reg))
1165 return 0;
1166 if (hi_max) {
1167 /* invert */
1168 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1169 tmp.index = ac97->num;
1170 kctl = snd_ctl_new1(&tmp, ac97);
1171 } else {
1172 /* invert */
1173 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1174 tmp.index = ac97->num;
1175 kctl = snd_ctl_new1(&tmp, ac97);
1176 }
1177 err = snd_ctl_add(card, kctl);
1178 if (err < 0)
1179 return err;
1180 snd_ac97_write_cache(ac97, reg,
1181 (snd_ac97_read(ac97, reg) & 0x8080) |
1182 lo_max | (hi_max << 8));
1183 return 0;
1184 }
1185
1186 /*
1187 * create a mute-switch and a volume for normal stereo/mono controls
1188 */
1189 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, int reg, int check_stereo, struct snd_ac97 *ac97)
1190 {
1191 int err;
1192 char name[44];
1193 unsigned char lo_max, hi_max;
1194
1195 if (! snd_ac97_valid_reg(ac97, reg))
1196 return 0;
1197
1198 if (snd_ac97_try_bit(ac97, reg, 15)) {
1199 sprintf(name, "%s Switch", pfx);
1200 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1201 return err;
1202 }
1203 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1204 if (lo_max) {
1205 sprintf(name, "%s Volume", pfx);
1206 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1207 return err;
1208 }
1209 return 0;
1210 }
1211
1212 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1213 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1214
1215 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1216
1217 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1218 {
1219 struct snd_card *card = ac97->bus->card;
1220 struct snd_kcontrol *kctl;
1221 int err;
1222 unsigned int idx;
1223 unsigned char max;
1224
1225 /* build master controls */
1226 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1227 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1228 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1229 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1230 else
1231 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1232 if (err < 0)
1233 return err;
1234 }
1235
1236 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1237
1238 /* build center controls */
1239 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1240 && !(ac97->flags & AC97_AD_MULTI)) {
1241 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1242 return err;
1243 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1244 return err;
1245 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1246 kctl->private_value &= ~(0xff << 16);
1247 kctl->private_value |= (int)max << 16;
1248 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1249 }
1250
1251 /* build LFE controls */
1252 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1253 && !(ac97->flags & AC97_AD_MULTI)) {
1254 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1255 return err;
1256 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1257 return err;
1258 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1259 kctl->private_value &= ~(0xff << 16);
1260 kctl->private_value |= (int)max << 16;
1261 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1262 }
1263
1264 /* build surround controls */
1265 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1266 && !(ac97->flags & AC97_AD_MULTI)) {
1267 /* Surround Master (0x38) is with stereo mutes */
1268 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1269 return err;
1270 }
1271
1272 /* build headphone controls */
1273 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1274 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1275 return err;
1276 }
1277
1278 /* build master mono controls */
1279 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1280 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1281 return err;
1282 }
1283
1284 /* build master tone controls */
1285 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1286 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1287 for (idx = 0; idx < 2; idx++) {
1288 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1289 return err;
1290 if (ac97->id == AC97_ID_YMF753) {
1291 kctl->private_value &= ~(0xff << 16);
1292 kctl->private_value |= 7 << 16;
1293 }
1294 }
1295 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1296 }
1297 }
1298
1299 /* build PC Speaker controls */
1300 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1301 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1302 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1303 for (idx = 0; idx < 2; idx++)
1304 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1305 return err;
1306 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1307 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1308 }
1309
1310 /* build Phone controls */
1311 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1312 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1313 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1314 return err;
1315 }
1316 }
1317
1318 /* build MIC controls */
1319 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1320 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1321 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1322 return err;
1323 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1324 return err;
1325 }
1326 }
1327
1328 /* build Line controls */
1329 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1330 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1331 return err;
1332 }
1333
1334 /* build CD controls */
1335 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1336 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1337 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1338 return err;
1339 }
1340 }
1341
1342 /* build Video controls */
1343 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1344 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1345 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1346 return err;
1347 }
1348 }
1349
1350 /* build Aux controls */
1351 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1352 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1353 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1354 return err;
1355 }
1356 }
1357
1358 /* build PCM controls */
1359 if (ac97->flags & AC97_AD_MULTI) {
1360 unsigned short init_val;
1361 if (ac97->flags & AC97_STEREO_MUTES)
1362 init_val = 0x9f9f;
1363 else
1364 init_val = 0x9f1f;
1365 for (idx = 0; idx < 2; idx++)
1366 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1367 return err;
1368 ac97->spec.ad18xx.pcmreg[0] = init_val;
1369 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1370 for (idx = 0; idx < 2; idx++)
1371 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1372 return err;
1373 ac97->spec.ad18xx.pcmreg[1] = init_val;
1374 }
1375 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1376 for (idx = 0; idx < 2; idx++)
1377 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1378 return err;
1379 for (idx = 0; idx < 2; idx++)
1380 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1381 return err;
1382 ac97->spec.ad18xx.pcmreg[2] = init_val;
1383 }
1384 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1385 } else {
1386 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1387 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1388 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1389 else
1390 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1391 if (err < 0)
1392 return err;
1393 }
1394 }
1395
1396 /* build Capture controls */
1397 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1398 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1399 return err;
1400 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1401 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1402 return err;
1403 }
1404 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1405 return err;
1406 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1407 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1408 }
1409 /* build MIC Capture controls */
1410 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1411 for (idx = 0; idx < 2; idx++)
1412 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1413 return err;
1414 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1415 }
1416
1417 /* build PCM out path & mute control */
1418 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1419 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1420 return err;
1421 }
1422
1423 /* build Simulated Stereo Enhancement control */
1424 if (ac97->caps & 0x0008) {
1425 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1426 return err;
1427 }
1428
1429 /* build 3D Stereo Enhancement control */
1430 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1431 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1432 return err;
1433 }
1434
1435 /* build Loudness control */
1436 if (ac97->caps & 0x0020) {
1437 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1438 return err;
1439 }
1440
1441 /* build Mono output select control */
1442 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1443 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1444 return err;
1445 }
1446
1447 /* build Mic select control */
1448 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1449 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1450 return err;
1451 }
1452
1453 /* build ADC/DAC loopback control */
1454 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1455 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1456 return err;
1457 }
1458
1459 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1460
1461 /* build 3D controls */
1462 if (ac97->build_ops->build_3d) {
1463 ac97->build_ops->build_3d(ac97);
1464 } else {
1465 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1466 unsigned short val;
1467 val = 0x0707;
1468 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1469 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1470 val = val == 0x0606;
1471 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1472 return err;
1473 if (val)
1474 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1475 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1476 return err;
1477 if (val)
1478 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1479 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1480 }
1481 }
1482
1483 /* build S/PDIF controls */
1484 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1485 if (ac97->build_ops->build_spdif) {
1486 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1487 return err;
1488 } else {
1489 for (idx = 0; idx < 5; idx++)
1490 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1491 return err;
1492 if (ac97->build_ops->build_post_spdif) {
1493 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1494 return err;
1495 }
1496 /* set default PCM S/PDIF params */
1497 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1498 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1499 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1500 }
1501 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1502 }
1503
1504 /* build chip specific controls */
1505 if (ac97->build_ops->build_specific)
1506 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1507 return err;
1508
1509 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1510 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1511 if (! kctl)
1512 return -ENOMEM;
1513 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1514 set_inv_eapd(ac97, kctl);
1515 if ((err = snd_ctl_add(card, kctl)) < 0)
1516 return err;
1517 }
1518
1519 return 0;
1520 }
1521
1522 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1523 {
1524 int err, idx;
1525
1526 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1527 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1528 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1529 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1530 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1531 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1532
1533 /* build modem switches */
1534 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1535 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1536 return err;
1537
1538 /* build chip specific controls */
1539 if (ac97->build_ops->build_specific)
1540 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1541 return err;
1542
1543 return 0;
1544 }
1545
1546 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1547 {
1548 unsigned short val;
1549 unsigned int tmp;
1550
1551 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1552 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1553 if (shadow_reg)
1554 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1555 val = snd_ac97_read(ac97, reg);
1556 return val == (tmp & 0xffff);
1557 }
1558
1559 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1560 {
1561 unsigned int result = 0;
1562 unsigned short saved;
1563
1564 if (ac97->bus->no_vra) {
1565 *r_result = SNDRV_PCM_RATE_48000;
1566 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1567 reg == AC97_PCM_FRONT_DAC_RATE)
1568 *r_result |= SNDRV_PCM_RATE_96000;
1569 return;
1570 }
1571
1572 saved = snd_ac97_read(ac97, reg);
1573 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1574 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1575 AC97_EA_DRA, 0);
1576 /* test a non-standard rate */
1577 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1578 result |= SNDRV_PCM_RATE_CONTINUOUS;
1579 /* let's try to obtain standard rates */
1580 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1581 result |= SNDRV_PCM_RATE_8000;
1582 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1583 result |= SNDRV_PCM_RATE_11025;
1584 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1585 result |= SNDRV_PCM_RATE_16000;
1586 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1587 result |= SNDRV_PCM_RATE_22050;
1588 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1589 result |= SNDRV_PCM_RATE_32000;
1590 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1591 result |= SNDRV_PCM_RATE_44100;
1592 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1593 result |= SNDRV_PCM_RATE_48000;
1594 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1595 reg == AC97_PCM_FRONT_DAC_RATE) {
1596 /* test standard double rates */
1597 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1598 AC97_EA_DRA, AC97_EA_DRA);
1599 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1600 result |= SNDRV_PCM_RATE_64000;
1601 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1602 result |= SNDRV_PCM_RATE_88200;
1603 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1604 result |= SNDRV_PCM_RATE_96000;
1605 /* some codecs don't support variable double rates */
1606 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1607 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1608 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1609 AC97_EA_DRA, 0);
1610 }
1611 /* restore the default value */
1612 snd_ac97_write_cache(ac97, reg, saved);
1613 if (shadow_reg)
1614 snd_ac97_write_cache(ac97, shadow_reg, saved);
1615 *r_result = result;
1616 }
1617
1618 /* check AC97_SPDIF register to accept which sample rates */
1619 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1620 {
1621 unsigned int result = 0;
1622 int i;
1623 static unsigned short ctl_bits[] = {
1624 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1625 };
1626 static unsigned int rate_bits[] = {
1627 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1628 };
1629
1630 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1631 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1632 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1633 result |= rate_bits[i];
1634 }
1635 return result;
1636 }
1637
1638 /* look for the codec id table matching with the given id */
1639 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1640 unsigned int id)
1641 {
1642 const struct ac97_codec_id *pid;
1643
1644 for (pid = table; pid->id; pid++)
1645 if (pid->id == (id & pid->mask))
1646 return pid;
1647 return NULL;
1648 }
1649
1650 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1651 {
1652 const struct ac97_codec_id *pid;
1653
1654 sprintf(name, "0x%x %c%c%c", id,
1655 printable(id >> 24),
1656 printable(id >> 16),
1657 printable(id >> 8));
1658 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1659 if (! pid)
1660 return;
1661
1662 strcpy(name, pid->name);
1663 if (ac97 && pid->patch) {
1664 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1665 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1666 pid->patch(ac97);
1667 }
1668
1669 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1670 if (pid) {
1671 strcat(name, " ");
1672 strcat(name, pid->name);
1673 if (pid->mask != 0xffffffff)
1674 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1675 if (ac97 && pid->patch) {
1676 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1677 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1678 pid->patch(ac97);
1679 }
1680 } else
1681 sprintf(name + strlen(name), " id %x", id & 0xff);
1682 }
1683
1684 /**
1685 * snd_ac97_get_short_name - retrieve codec name
1686 * @ac97: the codec instance
1687 *
1688 * Returns the short identifying name of the codec.
1689 */
1690 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1691 {
1692 const struct ac97_codec_id *pid;
1693
1694 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1695 if (pid->id == (ac97->id & pid->mask))
1696 return pid->name;
1697 return "unknown codec";
1698 }
1699
1700 EXPORT_SYMBOL(snd_ac97_get_short_name);
1701
1702 /* wait for a while until registers are accessible after RESET
1703 * return 0 if ok, negative not ready
1704 */
1705 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1706 {
1707 unsigned long end_time;
1708 unsigned short val;
1709
1710 end_time = jiffies + timeout;
1711 do {
1712
1713 /* use preliminary reads to settle the communication */
1714 snd_ac97_read(ac97, AC97_RESET);
1715 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1716 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1717 /* modem? */
1718 if (with_modem) {
1719 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1720 if (val != 0xffff && (val & 1) != 0)
1721 return 0;
1722 }
1723 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1724 /* probably only Xbox issue - all registers are read as zero */
1725 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1726 if (val != 0 && val != 0xffff)
1727 return 0;
1728 } else {
1729 /* because the PCM or MASTER volume registers can be modified,
1730 * the REC_GAIN register is used for tests
1731 */
1732 /* test if we can write to the record gain volume register */
1733 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1734 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1735 return 0;
1736 }
1737 schedule_timeout_uninterruptible(1);
1738 } while (time_after_eq(end_time, jiffies));
1739 return -ENODEV;
1740 }
1741
1742 /**
1743 * snd_ac97_bus - create an AC97 bus component
1744 * @card: the card instance
1745 * @num: the bus number
1746 * @ops: the bus callbacks table
1747 * @private_data: private data pointer for the new instance
1748 * @rbus: the pointer to store the new AC97 bus instance.
1749 *
1750 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1751 * allocated and initialized.
1752 *
1753 * The ops table must include valid callbacks (at least read and
1754 * write). The other callbacks, wait and reset, are not mandatory.
1755 *
1756 * The clock is set to 48000. If another clock is needed, set
1757 * (*rbus)->clock manually.
1758 *
1759 * The AC97 bus instance is registered as a low-level device, so you don't
1760 * have to release it manually.
1761 *
1762 * Returns zero if successful, or a negative error code on failure.
1763 */
1764 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1765 void *private_data, struct snd_ac97_bus **rbus)
1766 {
1767 int err;
1768 struct snd_ac97_bus *bus;
1769 static struct snd_device_ops dev_ops = {
1770 .dev_free = snd_ac97_bus_dev_free,
1771 };
1772
1773 snd_assert(card != NULL, return -EINVAL);
1774 snd_assert(rbus != NULL, return -EINVAL);
1775 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1776 if (bus == NULL)
1777 return -ENOMEM;
1778 bus->card = card;
1779 bus->num = num;
1780 bus->ops = ops;
1781 bus->private_data = private_data;
1782 bus->clock = 48000;
1783 spin_lock_init(&bus->bus_lock);
1784 snd_ac97_bus_proc_init(bus);
1785 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1786 snd_ac97_bus_free(bus);
1787 return err;
1788 }
1789 *rbus = bus;
1790 return 0;
1791 }
1792
1793 EXPORT_SYMBOL(snd_ac97_bus);
1794
1795 /* stop no dev release warning */
1796 static void ac97_device_release(struct device * dev)
1797 {
1798 }
1799
1800 /* register ac97 codec to bus */
1801 static int snd_ac97_dev_register(struct snd_device *device)
1802 {
1803 struct snd_ac97 *ac97 = device->device_data;
1804 int err;
1805
1806 ac97->dev.bus = &ac97_bus_type;
1807 ac97->dev.parent = ac97->bus->card->dev;
1808 ac97->dev.release = ac97_device_release;
1809 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1810 ac97->bus->card->number, ac97->num,
1811 snd_ac97_get_short_name(ac97));
1812 if ((err = device_register(&ac97->dev)) < 0) {
1813 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1814 ac97->dev.bus = NULL;
1815 return err;
1816 }
1817 return 0;
1818 }
1819
1820 /* unregister ac97 codec */
1821 static int snd_ac97_dev_unregister(struct snd_device *device)
1822 {
1823 struct snd_ac97 *ac97 = device->device_data;
1824 if (ac97->dev.bus)
1825 device_unregister(&ac97->dev);
1826 return snd_ac97_free(ac97);
1827 }
1828
1829 /* build_ops to do nothing */
1830 static struct snd_ac97_build_ops null_build_ops;
1831
1832 /**
1833 * snd_ac97_mixer - create an Codec97 component
1834 * @bus: the AC97 bus which codec is attached to
1835 * @template: the template of ac97, including index, callbacks and
1836 * the private data.
1837 * @rac97: the pointer to store the new ac97 instance.
1838 *
1839 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1840 * allocated and initialized from the template. The codec
1841 * is then initialized by the standard procedure.
1842 *
1843 * The template must include the codec number (num) and address (addr),
1844 * and the private data (private_data).
1845 *
1846 * The ac97 instance is registered as a low-level device, so you don't
1847 * have to release it manually.
1848 *
1849 * Returns zero if successful, or a negative error code on failure.
1850 */
1851 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1852 {
1853 int err;
1854 struct snd_ac97 *ac97;
1855 struct snd_card *card;
1856 char name[64];
1857 unsigned long end_time;
1858 unsigned int reg;
1859 const struct ac97_codec_id *pid;
1860 static struct snd_device_ops ops = {
1861 .dev_free = snd_ac97_dev_free,
1862 .dev_register = snd_ac97_dev_register,
1863 .dev_unregister = snd_ac97_dev_unregister,
1864 };
1865
1866 snd_assert(rac97 != NULL, return -EINVAL);
1867 *rac97 = NULL;
1868 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1869 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1870
1871 card = bus->card;
1872 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1873 if (ac97 == NULL)
1874 return -ENOMEM;
1875 ac97->private_data = template->private_data;
1876 ac97->private_free = template->private_free;
1877 ac97->bus = bus;
1878 ac97->pci = template->pci;
1879 ac97->num = template->num;
1880 ac97->addr = template->addr;
1881 ac97->scaps = template->scaps;
1882 ac97->res_table = template->res_table;
1883 bus->codec[ac97->num] = ac97;
1884 mutex_init(&ac97->reg_mutex);
1885 mutex_init(&ac97->page_mutex);
1886
1887 #ifdef CONFIG_PCI
1888 if (ac97->pci) {
1889 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1890 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1891 }
1892 #endif
1893 if (bus->ops->reset) {
1894 bus->ops->reset(ac97);
1895 goto __access_ok;
1896 }
1897
1898 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1899 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1900 if (ac97->id && ac97->id != (unsigned int)-1) {
1901 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1902 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1903 goto __access_ok;
1904 }
1905
1906 /* reset to defaults */
1907 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1908 snd_ac97_write(ac97, AC97_RESET, 0);
1909 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1910 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1911 if (bus->ops->wait)
1912 bus->ops->wait(ac97);
1913 else {
1914 udelay(50);
1915 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1916 err = ac97_reset_wait(ac97, HZ/2, 1);
1917 else {
1918 err = ac97_reset_wait(ac97, HZ/2, 0);
1919 if (err < 0)
1920 err = ac97_reset_wait(ac97, HZ/2, 1);
1921 }
1922 if (err < 0) {
1923 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1924 /* proceed anyway - it's often non-critical */
1925 }
1926 }
1927 __access_ok:
1928 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1929 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1930 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1931 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1932 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1933 snd_ac97_free(ac97);
1934 return -EIO;
1935 }
1936 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1937 if (pid)
1938 ac97->flags |= pid->flags;
1939
1940 /* test for AC'97 */
1941 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1942 /* test if we can write to the record gain volume register */
1943 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1944 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1945 ac97->scaps |= AC97_SCAP_AUDIO;
1946 }
1947 if (ac97->scaps & AC97_SCAP_AUDIO) {
1948 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1949 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1950 if (ac97->ext_id == 0xffff) /* invalid combination */
1951 ac97->ext_id = 0;
1952 }
1953
1954 /* test for MC'97 */
1955 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1956 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1957 if (ac97->ext_mid == 0xffff) /* invalid combination */
1958 ac97->ext_mid = 0;
1959 if (ac97->ext_mid & 1)
1960 ac97->scaps |= AC97_SCAP_MODEM;
1961 }
1962
1963 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1964 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1965 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1966 snd_ac97_free(ac97);
1967 return -EACCES;
1968 }
1969
1970 if (bus->ops->reset) // FIXME: always skipping?
1971 goto __ready_ok;
1972
1973 /* FIXME: add powerdown control */
1974 if (ac97_is_audio(ac97)) {
1975 /* nothing should be in powerdown mode */
1976 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1977 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1978 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1979 udelay(100);
1980 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1981 }
1982 /* nothing should be in powerdown mode */
1983 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1984 end_time = jiffies + (HZ / 10);
1985 do {
1986 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1987 goto __ready_ok;
1988 schedule_timeout_uninterruptible(1);
1989 } while (time_after_eq(end_time, jiffies));
1990 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1991 }
1992
1993 /* FIXME: add powerdown control */
1994 if (ac97_is_modem(ac97)) {
1995 unsigned char tmp;
1996
1997 /* nothing should be in powerdown mode */
1998 /* note: it's important to set the rate at first */
1999 tmp = AC97_MEA_GPIO;
2000 if (ac97->ext_mid & AC97_MEI_LINE1) {
2001 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2002 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2003 }
2004 if (ac97->ext_mid & AC97_MEI_LINE2) {
2005 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2006 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2007 }
2008 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2009 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2010 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2011 }
2012 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2013 udelay(100);
2014 /* nothing should be in powerdown mode */
2015 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2016 end_time = jiffies + (HZ / 10);
2017 do {
2018 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2019 goto __ready_ok;
2020 schedule_timeout_uninterruptible(1);
2021 } while (time_after_eq(end_time, jiffies));
2022 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2023 }
2024
2025 __ready_ok:
2026 if (ac97_is_audio(ac97))
2027 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2028 else
2029 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2030 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2031 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2032 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2033 if (! bus->no_vra)
2034 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2035 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2036 }
2037 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2038 /* Intel controllers require double rate data to be put in
2039 * slots 7+8, so let's hope the codec supports it. */
2040 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2041 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2042 ac97->flags |= AC97_DOUBLE_RATE;
2043 /* restore to slots 10/11 to avoid the confliction with surrounds */
2044 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2045 }
2046 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2047 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2048 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2049 } else {
2050 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2051 if (ac97->flags & AC97_DOUBLE_RATE)
2052 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2053 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2054 }
2055 if (ac97->ext_id & AC97_EI_SPDIF) {
2056 /* codec specific code (patch) should override these values */
2057 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2058 }
2059 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2060 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2061 } else {
2062 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2063 }
2064 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2065 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2066 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2067 }
2068 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2069 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2070 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2071 }
2072 /* additional initializations */
2073 if (bus->ops->init)
2074 bus->ops->init(ac97);
2075 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2076 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2077 if (! ac97->build_ops)
2078 ac97->build_ops = &null_build_ops;
2079
2080 if (ac97_is_audio(ac97)) {
2081 char comp[16];
2082 if (card->mixername[0] == '\0') {
2083 strcpy(card->mixername, name);
2084 } else {
2085 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2086 strcat(card->mixername, ",");
2087 strcat(card->mixername, name);
2088 }
2089 }
2090 sprintf(comp, "AC97a:%08x", ac97->id);
2091 if ((err = snd_component_add(card, comp)) < 0) {
2092 snd_ac97_free(ac97);
2093 return err;
2094 }
2095 if (snd_ac97_mixer_build(ac97) < 0) {
2096 snd_ac97_free(ac97);
2097 return -ENOMEM;
2098 }
2099 }
2100 if (ac97_is_modem(ac97)) {
2101 char comp[16];
2102 if (card->mixername[0] == '\0') {
2103 strcpy(card->mixername, name);
2104 } else {
2105 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2106 strcat(card->mixername, ",");
2107 strcat(card->mixername, name);
2108 }
2109 }
2110 sprintf(comp, "AC97m:%08x", ac97->id);
2111 if ((err = snd_component_add(card, comp)) < 0) {
2112 snd_ac97_free(ac97);
2113 return err;
2114 }
2115 if (snd_ac97_modem_build(card, ac97) < 0) {
2116 snd_ac97_free(ac97);
2117 return -ENOMEM;
2118 }
2119 }
2120 /* make sure the proper powerdown bits are cleared */
2121 if (ac97->scaps && ac97_is_audio(ac97)) {
2122 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2123 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2124 reg &= ~AC97_EA_PRJ;
2125 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2126 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2127 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2128 }
2129 snd_ac97_proc_init(ac97);
2130 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2131 snd_ac97_free(ac97);
2132 return err;
2133 }
2134 *rac97 = ac97;
2135 return 0;
2136 }
2137
2138 EXPORT_SYMBOL(snd_ac97_mixer);
2139
2140 /*
2141 * Power down the chip.
2142 *
2143 * MASTER and HEADPHONE registers are muted but the register cache values
2144 * are not changed, so that the values can be restored in snd_ac97_resume().
2145 */
2146 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2147 {
2148 unsigned short power;
2149
2150 if (ac97_is_audio(ac97)) {
2151 /* some codecs have stereo mute bits */
2152 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2153 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2154 }
2155
2156 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2157 power |= 0x4000; /* Headphone amplifier powerdown */
2158 power |= 0x0300; /* ADC & DAC powerdown */
2159 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2160 udelay(100);
2161 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2162 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2163 udelay(100);
2164 #if 0
2165 /* FIXME: this causes click noises on some boards at resume */
2166 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2167 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2168 #endif
2169 }
2170
2171
2172 #ifdef CONFIG_PM
2173 /**
2174 * snd_ac97_suspend - General suspend function for AC97 codec
2175 * @ac97: the ac97 instance
2176 *
2177 * Suspends the codec, power down the chip.
2178 */
2179 void snd_ac97_suspend(struct snd_ac97 *ac97)
2180 {
2181 if (! ac97)
2182 return;
2183 if (ac97->build_ops->suspend)
2184 ac97->build_ops->suspend(ac97);
2185 snd_ac97_powerdown(ac97);
2186 }
2187
2188 EXPORT_SYMBOL(snd_ac97_suspend);
2189
2190 /*
2191 * restore ac97 status
2192 */
2193 void snd_ac97_restore_status(struct snd_ac97 *ac97)
2194 {
2195 int i;
2196
2197 for (i = 2; i < 0x7c ; i += 2) {
2198 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2199 continue;
2200 /* restore only accessible registers
2201 * some chip (e.g. nm256) may hang up when unsupported registers
2202 * are accessed..!
2203 */
2204 if (test_bit(i, ac97->reg_accessed)) {
2205 snd_ac97_write(ac97, i, ac97->regs[i]);
2206 snd_ac97_read(ac97, i);
2207 }
2208 }
2209 }
2210
2211 /*
2212 * restore IEC958 status
2213 */
2214 void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2215 {
2216 if (ac97->ext_id & AC97_EI_SPDIF) {
2217 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2218 /* reset spdif status */
2219 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2220 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2221 if (ac97->flags & AC97_CS_SPDIF)
2222 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2223 else
2224 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2225 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2226 }
2227 }
2228 }
2229
2230 /**
2231 * snd_ac97_resume - General resume function for AC97 codec
2232 * @ac97: the ac97 instance
2233 *
2234 * Do the standard resume procedure, power up and restoring the
2235 * old register values.
2236 */
2237 void snd_ac97_resume(struct snd_ac97 *ac97)
2238 {
2239 unsigned long end_time;
2240
2241 if (! ac97)
2242 return;
2243
2244 if (ac97->bus->ops->reset) {
2245 ac97->bus->ops->reset(ac97);
2246 goto __reset_ready;
2247 }
2248
2249 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2250 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2251 snd_ac97_write(ac97, AC97_RESET, 0);
2252 udelay(100);
2253 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2254 }
2255 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2256
2257 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2258 if (ac97_is_audio(ac97)) {
2259 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2260 end_time = jiffies + msecs_to_jiffies(100);
2261 do {
2262 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2263 break;
2264 schedule_timeout_uninterruptible(1);
2265 } while (time_after_eq(end_time, jiffies));
2266 /* FIXME: extra delay */
2267 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2268 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2269 msleep(250);
2270 } else {
2271 end_time = jiffies + msecs_to_jiffies(100);
2272 do {
2273 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2274 if (val != 0xffff && (val & 1) != 0)
2275 break;
2276 schedule_timeout_uninterruptible(1);
2277 } while (time_after_eq(end_time, jiffies));
2278 }
2279 __reset_ready:
2280
2281 if (ac97->bus->ops->init)
2282 ac97->bus->ops->init(ac97);
2283
2284 if (ac97->build_ops->resume)
2285 ac97->build_ops->resume(ac97);
2286 else {
2287 snd_ac97_restore_status(ac97);
2288 snd_ac97_restore_iec958(ac97);
2289 }
2290 }
2291
2292 EXPORT_SYMBOL(snd_ac97_resume);
2293 #endif
2294
2295
2296 /*
2297 * Hardware tuning
2298 */
2299 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2300 {
2301 if (suffix)
2302 sprintf(dst, "%s %s", src, suffix);
2303 else
2304 strcpy(dst, src);
2305 }
2306
2307 /* remove the control with the given name and optional suffix */
2308 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
2309 {
2310 struct snd_ctl_elem_id id;
2311 memset(&id, 0, sizeof(id));
2312 set_ctl_name(id.name, name, suffix);
2313 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2314 return snd_ctl_remove_id(ac97->bus->card, &id);
2315 }
2316
2317 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2318 {
2319 struct snd_ctl_elem_id sid;
2320 memset(&sid, 0, sizeof(sid));
2321 set_ctl_name(sid.name, name, suffix);
2322 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2323 return snd_ctl_find_id(ac97->bus->card, &sid);
2324 }
2325
2326 /* rename the control with the given name and optional suffix */
2327 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
2328 {
2329 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2330 if (kctl) {
2331 set_ctl_name(kctl->id.name, dst, suffix);
2332 return 0;
2333 }
2334 return -ENOENT;
2335 }
2336
2337 /* rename both Volume and Switch controls - don't check the return value */
2338 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
2339 {
2340 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2341 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2342 }
2343
2344 /* swap controls */
2345 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
2346 {
2347 struct snd_kcontrol *kctl1, *kctl2;
2348 kctl1 = ctl_find(ac97, s1, suffix);
2349 kctl2 = ctl_find(ac97, s2, suffix);
2350 if (kctl1 && kctl2) {
2351 set_ctl_name(kctl1->id.name, s2, suffix);
2352 set_ctl_name(kctl2->id.name, s1, suffix);
2353 return 0;
2354 }
2355 return -ENOENT;
2356 }
2357
2358 #if 1
2359 /* bind hp and master controls instead of using only hp control */
2360 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2361 {
2362 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2363 if (err > 0) {
2364 unsigned long priv_saved = kcontrol->private_value;
2365 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2366 snd_ac97_put_volsw(kcontrol, ucontrol);
2367 kcontrol->private_value = priv_saved;
2368 }
2369 return err;
2370 }
2371
2372 /* ac97 tune: bind Master and Headphone controls */
2373 static int tune_hp_only(struct snd_ac97 *ac97)
2374 {
2375 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2376 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2377 if (! msw || ! mvol)
2378 return -ENOENT;
2379 msw->put = bind_hp_volsw_put;
2380 mvol->put = bind_hp_volsw_put;
2381 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2382 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2383 return 0;
2384 }
2385
2386 #else
2387 /* ac97 tune: use Headphone control as master */
2388 static int tune_hp_only(struct snd_ac97 *ac97)
2389 {
2390 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2391 return -ENOENT;
2392 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2393 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2394 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2395 return 0;
2396 }
2397 #endif
2398
2399 /* ac97 tune: swap Headphone and Master controls */
2400 static int tune_swap_hp(struct snd_ac97 *ac97)
2401 {
2402 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2403 return -ENOENT;
2404 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2405 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2406 return 0;
2407 }
2408
2409 /* ac97 tune: swap Surround and Master controls */
2410 static int tune_swap_surround(struct snd_ac97 *ac97)
2411 {
2412 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2413 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2414 return -ENOENT;
2415 return 0;
2416 }
2417
2418 /* ac97 tune: set up mic sharing for AD codecs */
2419 static int tune_ad_sharing(struct snd_ac97 *ac97)
2420 {
2421 unsigned short scfg;
2422 if ((ac97->id & 0xffffff00) != 0x41445300) {
2423 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2424 return -EINVAL;
2425 }
2426 /* Turn on OMS bit to route microphone to back panel */
2427 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2428 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2429 return 0;
2430 }
2431
2432 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2433 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2434
2435 /* ac97 tune: set up ALC jack-select */
2436 static int tune_alc_jack(struct snd_ac97 *ac97)
2437 {
2438 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2439 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2440 return -EINVAL;
2441 }
2442 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2443 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2444 if (ac97->id == AC97_ID_ALC658D)
2445 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2446 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2447 }
2448
2449 /* ac97 tune: inversed EAPD bit */
2450 static int tune_inv_eapd(struct snd_ac97 *ac97)
2451 {
2452 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2453 if (! kctl)
2454 return -ENOENT;
2455 set_inv_eapd(ac97, kctl);
2456 return 0;
2457 }
2458
2459 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2460 {
2461 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2462 if (err > 0) {
2463 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2464 int shift = (kcontrol->private_value >> 8) & 0x0f;
2465 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2466 unsigned short mask;
2467 if (shift != rshift)
2468 mask = 0x8080;
2469 else
2470 mask = 0x8000;
2471 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2472 (ac97->regs[AC97_MASTER] & mask) == mask ?
2473 0x8000 : 0);
2474 }
2475 return err;
2476 }
2477
2478 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2479 static int tune_mute_led(struct snd_ac97 *ac97)
2480 {
2481 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2482 if (! msw)
2483 return -ENOENT;
2484 msw->put = master_mute_sw_put;
2485 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2486 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2487 return 0;
2488 }
2489
2490 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2491 struct snd_ctl_elem_value *ucontrol)
2492 {
2493 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2494 if (err > 0) {
2495 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2496 int shift = (kcontrol->private_value >> 8) & 0x0f;
2497 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2498 unsigned short mask;
2499 if (shift != rshift)
2500 mask = 0x8080;
2501 else
2502 mask = 0x8000;
2503 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2504 (ac97->regs[AC97_MASTER] & mask) == mask ?
2505 0x8000 : 0);
2506 }
2507 return err;
2508 }
2509
2510 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2511 {
2512 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2513 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2514 if (! msw || ! mvol)
2515 return -ENOENT;
2516 msw->put = hp_master_mute_sw_put;
2517 mvol->put = bind_hp_volsw_put;
2518 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2519 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2520 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2521 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2522 return 0;
2523 }
2524
2525 struct quirk_table {
2526 const char *name;
2527 int (*func)(struct snd_ac97 *);
2528 };
2529
2530 static struct quirk_table applicable_quirks[] = {
2531 { "none", NULL },
2532 { "hp_only", tune_hp_only },
2533 { "swap_hp", tune_swap_hp },
2534 { "swap_surround", tune_swap_surround },
2535 { "ad_sharing", tune_ad_sharing },
2536 { "alc_jack", tune_alc_jack },
2537 { "inv_eapd", tune_inv_eapd },
2538 { "mute_led", tune_mute_led },
2539 { "hp_mute_led", tune_hp_mute_led },
2540 };
2541
2542 /* apply the quirk with the given type */
2543 static int apply_quirk(struct snd_ac97 *ac97, int type)
2544 {
2545 if (type <= 0)
2546 return 0;
2547 else if (type >= ARRAY_SIZE(applicable_quirks))
2548 return -EINVAL;
2549 if (applicable_quirks[type].func)
2550 return applicable_quirks[type].func(ac97);
2551 return 0;
2552 }
2553
2554 /* apply the quirk with the given name */
2555 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2556 {
2557 int i;
2558 struct quirk_table *q;
2559
2560 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2561 q = &applicable_quirks[i];
2562 if (q->name && ! strcmp(typestr, q->name))
2563 return apply_quirk(ac97, i);
2564 }
2565 /* for compatibility, accept the numbers, too */
2566 if (*typestr >= '0' && *typestr <= '9')
2567 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2568 return -EINVAL;
2569 }
2570
2571 /**
2572 * snd_ac97_tune_hardware - tune up the hardware
2573 * @ac97: the ac97 instance
2574 * @quirk: quirk list
2575 * @override: explicit quirk value (overrides the list if non-NULL)
2576 *
2577 * Do some workaround for each pci device, such as renaming of the
2578 * headphone (true line-out) control as "Master".
2579 * The quirk-list must be terminated with a zero-filled entry.
2580 *
2581 * Returns zero if successful, or a negative error code on failure.
2582 */
2583
2584 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2585 {
2586 int result;
2587
2588 /* quirk overriden? */
2589 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2590 result = apply_quirk_str(ac97, override);
2591 if (result < 0)
2592 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2593 return result;
2594 }
2595
2596 if (! quirk)
2597 return -EINVAL;
2598
2599 for (; quirk->subvendor; quirk++) {
2600 if (quirk->subvendor != ac97->subsystem_vendor)
2601 continue;
2602 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2603 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2604 if (quirk->codec_id && quirk->codec_id != ac97->id)
2605 continue;
2606 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2607 result = apply_quirk(ac97, quirk->type);
2608 if (result < 0)
2609 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2610 return result;
2611 }
2612 }
2613 return 0;
2614 }
2615
2616 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2617
2618 /*
2619 * INIT part
2620 */
2621
2622 static int __init alsa_ac97_init(void)
2623 {
2624 return 0;
2625 }
2626
2627 static void __exit alsa_ac97_exit(void)
2628 {
2629 }
2630
2631 module_init(alsa_ac97_init)
2632 module_exit(alsa_ac97_exit)
Linux 2.6 libata-dev (mirror)