2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * Universal interface for Audio Codec '97
5 * For more details look to AC '97 component specification revision 2.2
6 * by Intel Corporation (http://developer.intel.com).
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.
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.
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
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/tlv.h>
35 #include <sound/ac97_codec.h>
36 #include <sound/asoundef.h>
37 #include <sound/initval.h>
38 #include "ac97_local.h"
40 #include "ac97_patch.h"
42 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
43 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
44 MODULE_LICENSE("GPL");
46 static int enable_loopback;
48 module_param(enable_loopback, bool, 0444);
49 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
51 #ifdef CONFIG_SND_AC97_POWER_SAVE
52 static int power_save;
53 module_param(power_save, bool, 0644);
54 MODULE_PARM_DESC(power_save, "Enable AC97 power-saving control");
60 struct ac97_codec_id {
64 int (*patch)(struct snd_ac97 *ac97);
65 int (*mpatch)(struct snd_ac97 *ac97);
69 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
70 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
71 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
72 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
73 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
74 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
75 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
76 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
77 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
78 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
79 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
80 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
81 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
82 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
83 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
84 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
85 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
86 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
87 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
88 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
89 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
90 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
91 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
92 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
93 { 0, 0, NULL, NULL, NULL }
96 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
97 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
98 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
99 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
100 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
101 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
102 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
103 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
104 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
105 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
106 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
107 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
108 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
109 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
110 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
111 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
112 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
113 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
114 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL },
115 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
116 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
117 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
118 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
119 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
120 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
121 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
122 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
123 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
124 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
125 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
126 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
127 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
128 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
129 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
130 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
131 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
132 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL },
133 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL },
134 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL },
135 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
136 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
137 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
138 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
139 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
140 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
141 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
142 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
143 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
144 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
145 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
146 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
147 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
148 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
149 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
150 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
151 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
152 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
153 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
154 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
155 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
156 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
157 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
158 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
159 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
160 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
161 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
162 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
163 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
164 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
165 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
166 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
167 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
168 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
169 { 0x56494182, 0xffffffff, "VIA1618", NULL, NULL },
170 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
171 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
172 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
173 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
174 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
175 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
176 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
177 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
178 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
179 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
180 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
181 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
182 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
183 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
184 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
185 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
186 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
187 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
188 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
189 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
190 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
191 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
192 { 0, 0, NULL, NULL, NULL }
196 static void update_power_regs(struct snd_ac97 *ac97);
197 #ifdef CONFIG_SND_AC97_POWER_SAVE
198 #define ac97_is_power_save_mode(ac97) \
199 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
201 #define ac97_is_power_save_mode(ac97) 0
209 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
211 /* filter some registers for buggy codecs */
215 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
218 case AC97_ID_AD1819: /* AD1819 */
219 case AC97_ID_AD1881: /* AD1881 */
220 case AC97_ID_AD1881A: /* AD1881A */
221 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
224 case AC97_ID_AD1885: /* AD1885 */
225 case AC97_ID_AD1886: /* AD1886 */
226 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
227 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
230 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
233 case AC97_ID_STAC9700:
234 case AC97_ID_STAC9704:
235 case AC97_ID_STAC9705:
236 case AC97_ID_STAC9708:
237 case AC97_ID_STAC9721:
238 case AC97_ID_STAC9744:
239 case AC97_ID_STAC9756:
240 if (reg <= 0x3a || reg >= 0x5a)
248 * snd_ac97_write - write a value on the given register
249 * @ac97: the ac97 instance
250 * @reg: the register to change
251 * @value: the value to set
253 * Writes a value on the given register. This will invoke the write
254 * callback directly after the register check.
255 * This function doesn't change the register cache unlike
256 * #snd_ca97_write_cache(), so use this only when you don't want to
257 * reflect the change to the suspend/resume state.
259 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
261 if (!snd_ac97_valid_reg(ac97, reg))
263 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
264 /* Fix H/W bug of ALC100/100P */
265 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
266 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
268 ac97->bus->ops->write(ac97, reg, value);
271 EXPORT_SYMBOL(snd_ac97_write);
274 * snd_ac97_read - read a value from the given register
276 * @ac97: the ac97 instance
277 * @reg: the register to read
279 * Reads a value from the given register. This will invoke the read
280 * callback directly after the register check.
282 * Returns the read value.
284 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
286 if (!snd_ac97_valid_reg(ac97, reg))
288 return ac97->bus->ops->read(ac97, reg);
291 /* read a register - return the cached value if already read */
292 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
294 if (! test_bit(reg, ac97->reg_accessed)) {
295 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
296 // set_bit(reg, ac97->reg_accessed);
298 return ac97->regs[reg];
301 EXPORT_SYMBOL(snd_ac97_read);
304 * snd_ac97_write_cache - write a value on the given register and update the cache
305 * @ac97: the ac97 instance
306 * @reg: the register to change
307 * @value: the value to set
309 * Writes a value on the given register and updates the register
310 * cache. The cached values are used for the cached-read and the
313 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
315 if (!snd_ac97_valid_reg(ac97, reg))
317 mutex_lock(&ac97->reg_mutex);
318 ac97->regs[reg] = value;
319 ac97->bus->ops->write(ac97, reg, value);
320 set_bit(reg, ac97->reg_accessed);
321 mutex_unlock(&ac97->reg_mutex);
324 EXPORT_SYMBOL(snd_ac97_write_cache);
327 * snd_ac97_update - update the value on the given register
328 * @ac97: the ac97 instance
329 * @reg: the register to change
330 * @value: the value to set
332 * Compares the value with the register cache and updates the value
333 * only when the value is changed.
335 * Returns 1 if the value is changed, 0 if no change, or a negative
338 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
342 if (!snd_ac97_valid_reg(ac97, reg))
344 mutex_lock(&ac97->reg_mutex);
345 change = ac97->regs[reg] != value;
347 ac97->regs[reg] = value;
348 ac97->bus->ops->write(ac97, reg, value);
350 set_bit(reg, ac97->reg_accessed);
351 mutex_unlock(&ac97->reg_mutex);
355 EXPORT_SYMBOL(snd_ac97_update);
358 * snd_ac97_update_bits - update the bits on the given register
359 * @ac97: the ac97 instance
360 * @reg: the register to change
361 * @mask: the bit-mask to change
362 * @value: the value to set
364 * Updates the masked-bits on the given register only when the value
367 * Returns 1 if the bits are changed, 0 if no change, or a negative
370 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
374 if (!snd_ac97_valid_reg(ac97, reg))
376 mutex_lock(&ac97->reg_mutex);
377 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
378 mutex_unlock(&ac97->reg_mutex);
382 EXPORT_SYMBOL(snd_ac97_update_bits);
384 /* no lock version - see snd_ac97_updat_bits() */
385 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
386 unsigned short mask, unsigned short value)
389 unsigned short old, new;
391 old = snd_ac97_read_cache(ac97, reg);
392 new = (old & ~mask) | (value & mask);
395 ac97->regs[reg] = new;
396 ac97->bus->ops->write(ac97, reg, new);
398 set_bit(reg, ac97->reg_accessed);
402 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
405 unsigned short old, new, cfg;
407 mutex_lock(&ac97->page_mutex);
408 old = ac97->spec.ad18xx.pcmreg[codec];
409 new = (old & ~mask) | (value & mask);
412 mutex_lock(&ac97->reg_mutex);
413 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
414 ac97->spec.ad18xx.pcmreg[codec] = new;
415 /* select single codec */
416 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
418 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
419 /* update PCM bits */
420 ac97->bus->ops->write(ac97, AC97_PCM, new);
421 /* select all codecs */
422 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
424 mutex_unlock(&ac97->reg_mutex);
426 mutex_unlock(&ac97->page_mutex);
434 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
436 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
438 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
439 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
440 uinfo->value.enumerated.items = e->mask;
442 if (uinfo->value.enumerated.item > e->mask - 1)
443 uinfo->value.enumerated.item = e->mask - 1;
444 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
448 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
450 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
451 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
452 unsigned short val, bitmask;
454 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
456 val = snd_ac97_read_cache(ac97, e->reg);
457 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
458 if (e->shift_l != e->shift_r)
459 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
464 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
466 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
467 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
469 unsigned short mask, bitmask;
471 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
473 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
475 val = ucontrol->value.enumerated.item[0] << e->shift_l;
476 mask = (bitmask - 1) << e->shift_l;
477 if (e->shift_l != e->shift_r) {
478 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
480 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
481 mask |= (bitmask - 1) << e->shift_r;
483 return snd_ac97_update_bits(ac97, e->reg, mask, val);
486 /* save/restore ac97 v2.3 paging */
487 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
490 if ((kcontrol->private_value & (1<<25)) &&
491 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
492 (reg >= 0x60 && reg < 0x70)) {
493 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
494 mutex_lock(&ac97->page_mutex); /* lock paging */
495 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
496 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
501 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
503 if (page_save >= 0) {
504 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
505 mutex_unlock(&ac97->page_mutex); /* unlock paging */
509 /* volume and switch controls */
510 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
512 int mask = (kcontrol->private_value >> 16) & 0xff;
513 int shift = (kcontrol->private_value >> 8) & 0x0f;
514 int rshift = (kcontrol->private_value >> 12) & 0x0f;
516 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
517 uinfo->count = shift == rshift ? 1 : 2;
518 uinfo->value.integer.min = 0;
519 uinfo->value.integer.max = mask;
523 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
525 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
526 int reg = kcontrol->private_value & 0xff;
527 int shift = (kcontrol->private_value >> 8) & 0x0f;
528 int rshift = (kcontrol->private_value >> 12) & 0x0f;
529 int mask = (kcontrol->private_value >> 16) & 0xff;
530 int invert = (kcontrol->private_value >> 24) & 0x01;
533 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
534 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
536 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
538 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
540 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
542 snd_ac97_page_restore(ac97, page_save);
546 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
548 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
549 int reg = kcontrol->private_value & 0xff;
550 int shift = (kcontrol->private_value >> 8) & 0x0f;
551 int rshift = (kcontrol->private_value >> 12) & 0x0f;
552 int mask = (kcontrol->private_value >> 16) & 0xff;
553 int invert = (kcontrol->private_value >> 24) & 0x01;
555 unsigned short val, val2, val_mask;
557 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
558 val = (ucontrol->value.integer.value[0] & mask);
561 val_mask = mask << shift;
563 if (shift != rshift) {
564 val2 = (ucontrol->value.integer.value[1] & mask);
567 val_mask |= mask << rshift;
568 val |= val2 << rshift;
570 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
571 snd_ac97_page_restore(ac97, page_save);
572 #ifdef CONFIG_SND_AC97_POWER_SAVE
573 /* check analog mixer power-down */
574 if ((val_mask & 0x8000) &&
575 (kcontrol->private_value & (1<<30))) {
577 ac97->power_up &= ~(1 << (reg>>1));
579 ac97->power_up |= 1 << (reg>>1);
580 update_power_regs(ac97);
586 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
587 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
588 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
591 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
592 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
593 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
596 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
597 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
598 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
601 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
602 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
605 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
606 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
607 static const char* std_mix[] = {"Mix", "Mic"};
608 static const char* std_mic[] = {"Mic1", "Mic2"};
610 static const struct ac97_enum std_enum[] = {
611 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
612 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
613 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
614 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
617 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
618 AC97_ENUM("Capture Source", std_enum[0]);
620 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
621 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
623 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
624 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
625 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
629 AC97_GENERAL_PCM_OUT = 0,
630 AC97_GENERAL_STEREO_ENHANCEMENT,
632 AC97_GENERAL_LOUDNESS,
635 AC97_GENERAL_LOOPBACK
638 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
639 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
640 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
641 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
642 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
643 AC97_ENUM("Mono Output Select", std_enum[2]),
644 AC97_ENUM("Mic Select", std_enum[3]),
645 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
648 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
649 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
650 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
653 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
654 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
655 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
658 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
659 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
660 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
663 static const struct snd_kcontrol_new snd_ac97_control_eapd =
664 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
666 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
667 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
668 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
671 /* change the existing EAPD control as inverted */
672 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
674 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
675 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
676 ac97->scaps |= AC97_SCAP_INV_EAPD;
679 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
681 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
686 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
688 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
689 IEC958_AES0_NONAUDIO |
690 IEC958_AES0_CON_EMPHASIS_5015 |
691 IEC958_AES0_CON_NOT_COPYRIGHT;
692 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
693 IEC958_AES1_CON_ORIGINAL;
694 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
698 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
700 /* FIXME: AC'97 spec doesn't say which bits are used for what */
701 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
702 IEC958_AES0_NONAUDIO |
704 IEC958_AES0_PRO_EMPHASIS_5015;
708 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
710 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
712 mutex_lock(&ac97->reg_mutex);
713 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
714 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
715 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
716 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
717 mutex_unlock(&ac97->reg_mutex);
721 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
723 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
724 unsigned int new = 0;
725 unsigned short val = 0;
728 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
729 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
730 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
731 switch (new & IEC958_AES0_PRO_FS) {
732 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
733 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
734 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
735 default: val |= 1<<12; break;
737 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
740 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
741 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
742 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
743 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
745 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
747 val |= ((new >> 8) & 0xff) << 4; // category + original
748 switch ((new >> 24) & 0xff) {
749 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
750 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
751 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
752 default: val |= 1<<12; break;
756 mutex_lock(&ac97->reg_mutex);
757 change = ac97->spdif_status != new;
758 ac97->spdif_status = new;
760 if (ac97->flags & AC97_CS_SPDIF) {
761 int x = (val >> 12) & 0x03;
763 case 0: x = 1; break; // 44.1
764 case 2: x = 0; break; // 48.0
765 default: x = 0; break; // illegal.
767 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
768 } else if (ac97->flags & AC97_CX_SPDIF) {
770 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
771 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
772 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
773 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
776 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
777 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
779 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
780 if (extst & AC97_EA_SPDIF) {
781 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
784 mutex_unlock(&ac97->reg_mutex);
789 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
791 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
792 int reg = kcontrol->private_value & 0xff;
793 int shift = (kcontrol->private_value >> 8) & 0xff;
794 int mask = (kcontrol->private_value >> 16) & 0xff;
795 // int invert = (kcontrol->private_value >> 24) & 0xff;
796 unsigned short value, old, new;
799 value = (ucontrol->value.integer.value[0] & mask);
801 mutex_lock(&ac97->reg_mutex);
804 old = snd_ac97_read_cache(ac97, reg);
805 new = (old & ~mask) | value;
809 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
810 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
811 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
812 if (extst & AC97_EA_SPDIF)
813 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
815 mutex_unlock(&ac97->reg_mutex);
819 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
821 .access = SNDRV_CTL_ELEM_ACCESS_READ,
822 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
823 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
824 .info = snd_ac97_spdif_mask_info,
825 .get = snd_ac97_spdif_cmask_get,
828 .access = SNDRV_CTL_ELEM_ACCESS_READ,
829 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
830 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
831 .info = snd_ac97_spdif_mask_info,
832 .get = snd_ac97_spdif_pmask_get,
835 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
836 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
837 .info = snd_ac97_spdif_mask_info,
838 .get = snd_ac97_spdif_default_get,
839 .put = snd_ac97_spdif_default_put,
842 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
844 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
845 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
846 .info = snd_ac97_info_volsw,
847 .get = snd_ac97_get_volsw,
848 .put = snd_ac97_put_spsa,
849 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
853 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
854 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
855 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
856 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
858 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
860 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
861 int mask = (kcontrol->private_value >> 16) & 0x0f;
862 int lshift = (kcontrol->private_value >> 8) & 0x0f;
863 int rshift = (kcontrol->private_value >> 12) & 0x0f;
865 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
866 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
870 uinfo->value.integer.min = 0;
871 uinfo->value.integer.max = mask;
875 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
877 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
878 int codec = kcontrol->private_value & 3;
879 int lshift = (kcontrol->private_value >> 8) & 0x0f;
880 int rshift = (kcontrol->private_value >> 12) & 0x0f;
881 int mask = (kcontrol->private_value >> 16) & 0xff;
883 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
884 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
885 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
889 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
891 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
892 int codec = kcontrol->private_value & 3;
893 int lshift = (kcontrol->private_value >> 8) & 0x0f;
894 int rshift = (kcontrol->private_value >> 12) & 0x0f;
895 int mask = (kcontrol->private_value >> 16) & 0xff;
896 unsigned short val, valmask;
898 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
899 valmask = mask << lshift;
900 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
901 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
902 valmask |= mask << rshift;
904 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
907 #define AD18XX_PCM_VOLUME(xname, codec) \
908 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
909 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
910 .private_value = codec }
912 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
914 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
916 uinfo->value.integer.min = 0;
917 uinfo->value.integer.max = 31;
921 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
923 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
924 int codec = kcontrol->private_value & 3;
926 mutex_lock(&ac97->page_mutex);
927 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
928 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
929 mutex_unlock(&ac97->page_mutex);
933 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
935 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
936 int codec = kcontrol->private_value & 3;
937 unsigned short val1, val2;
939 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
940 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
941 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
944 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
945 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
946 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
949 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
950 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
951 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
954 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
955 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
956 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
959 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
960 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
961 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
968 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
970 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
973 snd_ac97_bus_proc_done(bus);
975 if (bus->private_free)
976 bus->private_free(bus);
982 static int snd_ac97_bus_dev_free(struct snd_device *device)
984 struct snd_ac97_bus *bus = device->device_data;
985 return snd_ac97_bus_free(bus);
988 static int snd_ac97_free(struct snd_ac97 *ac97)
991 #ifdef CONFIG_SND_AC97_POWER_SAVE
992 cancel_delayed_work(&ac97->power_work);
993 flush_scheduled_work();
995 snd_ac97_proc_done(ac97);
997 ac97->bus->codec[ac97->num] = NULL;
998 if (ac97->private_free)
999 ac97->private_free(ac97);
1005 static int snd_ac97_dev_free(struct snd_device *device)
1007 struct snd_ac97 *ac97 = device->device_data;
1008 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1009 return snd_ac97_free(ac97);
1012 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1014 unsigned short val, mask = 0x8000;
1016 if (! snd_ac97_valid_reg(ac97, reg))
1020 case AC97_MASTER_TONE:
1021 return ac97->caps & 0x04 ? 1 : 0;
1022 case AC97_HEADPHONE:
1023 return ac97->caps & 0x10 ? 1 : 0;
1024 case AC97_REC_GAIN_MIC:
1025 return ac97->caps & 0x01 ? 1 : 0;
1026 case AC97_3D_CONTROL:
1027 if (ac97->caps & 0x7c00) {
1028 val = snd_ac97_read(ac97, reg);
1029 /* if nonzero - fixed and we can't set it */
1033 case AC97_CENTER_LFE_MASTER: /* center */
1034 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1037 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1038 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1040 reg = AC97_CENTER_LFE_MASTER;
1043 case AC97_SURROUND_MASTER:
1044 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1049 val = snd_ac97_read(ac97, reg);
1050 if (!(val & mask)) {
1051 /* nothing seems to be here - mute flag is not set */
1052 /* try another test */
1053 snd_ac97_write_cache(ac97, reg, val | mask);
1054 val = snd_ac97_read(ac97, reg);
1055 val = snd_ac97_read(ac97, reg);
1057 return 0; /* nothing here */
1059 return 1; /* success, useable */
1062 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1064 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1065 unsigned char max[3] = { 63, 31, 15 };
1068 /* first look up the static resolution table */
1069 if (ac97->res_table) {
1070 const struct snd_ac97_res_table *tbl;
1071 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1072 if (tbl->reg == reg) {
1073 *lo_max = tbl->bits & 0xff;
1074 *hi_max = (tbl->bits >> 8) & 0xff;
1080 *lo_max = *hi_max = 0;
1081 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1083 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1084 /* Do the read twice due to buffers on some ac97 codecs.
1085 * e.g. The STAC9704 returns exactly what you wrote the the register
1086 * if you read it immediately. This causes the detect routine to fail.
1088 val = snd_ac97_read(ac97, reg);
1089 val = snd_ac97_read(ac97, reg);
1090 if (! *lo_max && (val & 0x7f) == cbit[i])
1092 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1094 if (*lo_max && *hi_max)
1099 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1101 unsigned short mask, val, orig, res;
1104 orig = snd_ac97_read(ac97, reg);
1106 snd_ac97_write(ac97, reg, val);
1107 res = snd_ac97_read(ac97, reg);
1108 snd_ac97_write_cache(ac97, reg, orig);
1112 /* check the volume resolution of center/lfe */
1113 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1115 unsigned short val, val1;
1118 val = 0x8080 | (0x20 << shift);
1119 snd_ac97_write(ac97, reg, val);
1120 val1 = snd_ac97_read(ac97, reg);
1124 /* reset volume to zero */
1125 snd_ac97_write_cache(ac97, reg, 0x8080);
1128 static inline int printable(unsigned int x)
1131 if (x < ' ' || x >= 0x71) {
1133 return x - 0x71 + 'A';
1139 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1141 struct snd_kcontrol_new template;
1142 memcpy(&template, _template, sizeof(template));
1143 template.index = ac97->num;
1144 return snd_ctl_new1(&template, ac97);
1148 * create mute switch(es) for normal stereo controls
1150 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1151 int check_stereo, int check_amix,
1152 struct snd_ac97 *ac97)
1154 struct snd_kcontrol *kctl;
1156 unsigned short val, val1, mute_mask;
1158 if (! snd_ac97_valid_reg(ac97, reg))
1162 val = snd_ac97_read(ac97, reg);
1163 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1164 /* check whether both mute bits work */
1165 val1 = val | 0x8080;
1166 snd_ac97_write(ac97, reg, val1);
1167 if (val1 == snd_ac97_read(ac97, reg))
1170 if (mute_mask == 0x8080) {
1171 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1173 tmp.private_value |= (1 << 30);
1174 tmp.index = ac97->num;
1175 kctl = snd_ctl_new1(&tmp, ac97);
1177 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1179 tmp.private_value |= (1 << 30);
1180 tmp.index = ac97->num;
1181 kctl = snd_ctl_new1(&tmp, ac97);
1183 err = snd_ctl_add(card, kctl);
1186 /* mute as default */
1187 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1192 * set dB information
1194 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1195 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1196 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1197 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1198 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1200 static const unsigned int *find_db_scale(unsigned int maxval)
1203 case 0x0f: return db_scale_4bit;
1204 case 0x1f: return db_scale_5bit;
1205 case 0x3f: return db_scale_6bit;
1210 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1214 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1218 * create a volume for normal stereo/mono controls
1220 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1221 unsigned int hi_max, struct snd_ac97 *ac97)
1224 struct snd_kcontrol *kctl;
1226 if (! snd_ac97_valid_reg(ac97, reg))
1230 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1231 tmp.index = ac97->num;
1232 kctl = snd_ctl_new1(&tmp, ac97);
1235 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1236 tmp.index = ac97->num;
1237 kctl = snd_ctl_new1(&tmp, ac97);
1239 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1240 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1242 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1243 err = snd_ctl_add(card, kctl);
1246 snd_ac97_write_cache(ac97, reg,
1247 (snd_ac97_read(ac97, reg) & 0x8080) |
1248 lo_max | (hi_max << 8));
1253 * create a mute-switch and a volume for normal stereo/mono controls
1255 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1256 int reg, int check_stereo, int check_amix,
1257 struct snd_ac97 *ac97)
1261 unsigned char lo_max, hi_max;
1263 if (! snd_ac97_valid_reg(ac97, reg))
1266 if (snd_ac97_try_bit(ac97, reg, 15)) {
1267 sprintf(name, "%s Switch", pfx);
1268 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1269 check_stereo, check_amix,
1273 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1275 sprintf(name, "%s Volume", pfx);
1276 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1282 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1283 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1284 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1285 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1287 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1289 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1291 struct snd_card *card = ac97->bus->card;
1292 struct snd_kcontrol *kctl;
1297 /* build master controls */
1298 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1299 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1300 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1301 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1302 AC97_MASTER, 0, ac97);
1304 err = snd_ac97_cmix_new(card, "Master Playback",
1305 AC97_MASTER, 0, ac97);
1310 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1312 /* build center controls */
1313 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1314 && !(ac97->flags & AC97_AD_MULTI)) {
1315 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1317 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1319 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1320 kctl->private_value &= ~(0xff << 16);
1321 kctl->private_value |= (int)max << 16;
1322 set_tlv_db_scale(kctl, find_db_scale(max));
1323 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1326 /* build LFE controls */
1327 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1328 && !(ac97->flags & AC97_AD_MULTI)) {
1329 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1331 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1333 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1334 kctl->private_value &= ~(0xff << 16);
1335 kctl->private_value |= (int)max << 16;
1336 set_tlv_db_scale(kctl, find_db_scale(max));
1337 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1340 /* build surround controls */
1341 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1342 && !(ac97->flags & AC97_AD_MULTI)) {
1343 /* Surround Master (0x38) is with stereo mutes */
1344 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1345 AC97_SURROUND_MASTER, 1, 0,
1350 /* build headphone controls */
1351 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1352 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1353 AC97_HEADPHONE, 0, ac97)) < 0)
1357 /* build master mono controls */
1358 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1359 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1360 AC97_MASTER_MONO, 0, ac97)) < 0)
1364 /* build master tone controls */
1365 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1366 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1367 for (idx = 0; idx < 2; idx++) {
1368 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1370 if (ac97->id == AC97_ID_YMF753) {
1371 kctl->private_value &= ~(0xff << 16);
1372 kctl->private_value |= 7 << 16;
1375 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1379 /* build PC Speaker controls */
1380 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1381 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1382 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1383 for (idx = 0; idx < 2; idx++)
1384 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1386 set_tlv_db_scale(kctl, db_scale_4bit);
1387 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1388 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1391 /* build Phone controls */
1392 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1393 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1394 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1395 AC97_PHONE, 1, ac97)) < 0)
1400 /* build MIC controls */
1401 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1402 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1403 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1404 AC97_MIC, 1, ac97)) < 0)
1406 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1411 /* build Line controls */
1412 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1413 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1414 AC97_LINE, 1, ac97)) < 0)
1418 /* build CD controls */
1419 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1420 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1421 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1422 AC97_CD, 1, ac97)) < 0)
1427 /* build Video controls */
1428 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1429 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1430 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1431 AC97_VIDEO, 1, ac97)) < 0)
1436 /* build Aux controls */
1437 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1438 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1439 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1440 AC97_AUX, 1, ac97)) < 0)
1445 /* build PCM controls */
1446 if (ac97->flags & AC97_AD_MULTI) {
1447 unsigned short init_val;
1448 if (ac97->flags & AC97_STEREO_MUTES)
1452 for (idx = 0; idx < 2; idx++)
1453 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1455 set_tlv_db_scale(kctl, db_scale_5bit);
1456 ac97->spec.ad18xx.pcmreg[0] = init_val;
1457 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1458 for (idx = 0; idx < 2; idx++)
1459 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1461 set_tlv_db_scale(kctl, db_scale_5bit);
1462 ac97->spec.ad18xx.pcmreg[1] = init_val;
1464 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1465 for (idx = 0; idx < 2; idx++)
1466 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1468 set_tlv_db_scale(kctl, db_scale_5bit);
1469 for (idx = 0; idx < 2; idx++)
1470 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1472 set_tlv_db_scale(kctl, db_scale_5bit);
1473 ac97->spec.ad18xx.pcmreg[2] = init_val;
1475 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1477 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1478 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1479 err = snd_ac97_cmute_new(card,
1480 "PCM Playback Switch",
1483 err = snd_ac97_cmix_new(card, "PCM Playback",
1490 /* build Capture controls */
1491 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1492 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1494 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1495 err = snd_ac97_cmute_new(card, "Capture Switch",
1496 AC97_REC_GAIN, 0, ac97);
1500 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1502 set_tlv_db_scale(kctl, db_scale_rec_gain);
1503 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1504 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1506 /* build MIC Capture controls */
1507 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1508 for (idx = 0; idx < 2; idx++)
1509 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1511 set_tlv_db_scale(kctl, db_scale_rec_gain);
1512 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1515 /* build PCM out path & mute control */
1516 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1517 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1521 /* build Simulated Stereo Enhancement control */
1522 if (ac97->caps & 0x0008) {
1523 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1527 /* build 3D Stereo Enhancement control */
1528 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1529 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1533 /* build Loudness control */
1534 if (ac97->caps & 0x0020) {
1535 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1539 /* build Mono output select control */
1540 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1541 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1545 /* build Mic select control */
1546 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1547 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1551 /* build ADC/DAC loopback control */
1552 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1553 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1557 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1559 /* build 3D controls */
1560 if (ac97->build_ops->build_3d) {
1561 ac97->build_ops->build_3d(ac97);
1563 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1566 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1567 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1568 val = val == 0x0606;
1569 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1572 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1573 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1576 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1577 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1581 /* build S/PDIF controls */
1583 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1584 if (ac97->subsystem_vendor == 0x1043 &&
1585 ac97->subsystem_device == 0x810f)
1586 ac97->ext_id |= AC97_EI_SPDIF;
1588 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1589 if (ac97->build_ops->build_spdif) {
1590 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1593 for (idx = 0; idx < 5; idx++)
1594 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1596 if (ac97->build_ops->build_post_spdif) {
1597 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1600 /* set default PCM S/PDIF params */
1601 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1602 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1603 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1605 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1608 /* build chip specific controls */
1609 if (ac97->build_ops->build_specific)
1610 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1613 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1614 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1617 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1618 set_inv_eapd(ac97, kctl);
1619 if ((err = snd_ctl_add(card, kctl)) < 0)
1626 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1630 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1631 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1632 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1633 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1634 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1635 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1637 /* build modem switches */
1638 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1639 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1642 /* build chip specific controls */
1643 if (ac97->build_ops->build_specific)
1644 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1650 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1655 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1656 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1658 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1659 val = snd_ac97_read(ac97, reg);
1660 return val == (tmp & 0xffff);
1663 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1665 unsigned int result = 0;
1666 unsigned short saved;
1668 if (ac97->bus->no_vra) {
1669 *r_result = SNDRV_PCM_RATE_48000;
1670 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1671 reg == AC97_PCM_FRONT_DAC_RATE)
1672 *r_result |= SNDRV_PCM_RATE_96000;
1676 saved = snd_ac97_read(ac97, reg);
1677 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1678 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1680 /* test a non-standard rate */
1681 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1682 result |= SNDRV_PCM_RATE_CONTINUOUS;
1683 /* let's try to obtain standard rates */
1684 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1685 result |= SNDRV_PCM_RATE_8000;
1686 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1687 result |= SNDRV_PCM_RATE_11025;
1688 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1689 result |= SNDRV_PCM_RATE_16000;
1690 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1691 result |= SNDRV_PCM_RATE_22050;
1692 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1693 result |= SNDRV_PCM_RATE_32000;
1694 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1695 result |= SNDRV_PCM_RATE_44100;
1696 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1697 result |= SNDRV_PCM_RATE_48000;
1698 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1699 reg == AC97_PCM_FRONT_DAC_RATE) {
1700 /* test standard double rates */
1701 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1702 AC97_EA_DRA, AC97_EA_DRA);
1703 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1704 result |= SNDRV_PCM_RATE_64000;
1705 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1706 result |= SNDRV_PCM_RATE_88200;
1707 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1708 result |= SNDRV_PCM_RATE_96000;
1709 /* some codecs don't support variable double rates */
1710 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1711 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1712 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1715 /* restore the default value */
1716 snd_ac97_write_cache(ac97, reg, saved);
1718 snd_ac97_write_cache(ac97, shadow_reg, saved);
1722 /* check AC97_SPDIF register to accept which sample rates */
1723 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1725 unsigned int result = 0;
1727 static unsigned short ctl_bits[] = {
1728 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1730 static unsigned int rate_bits[] = {
1731 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1734 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1735 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1736 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1737 result |= rate_bits[i];
1742 /* look for the codec id table matching with the given id */
1743 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1746 const struct ac97_codec_id *pid;
1748 for (pid = table; pid->id; pid++)
1749 if (pid->id == (id & pid->mask))
1754 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1756 const struct ac97_codec_id *pid;
1758 sprintf(name, "0x%x %c%c%c", id,
1759 printable(id >> 24),
1760 printable(id >> 16),
1761 printable(id >> 8));
1762 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1766 strcpy(name, pid->name);
1767 if (ac97 && pid->patch) {
1768 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1769 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1773 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1776 strcat(name, pid->name);
1777 if (pid->mask != 0xffffffff)
1778 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1779 if (ac97 && pid->patch) {
1780 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1781 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1785 sprintf(name + strlen(name), " id %x", id & 0xff);
1789 * snd_ac97_get_short_name - retrieve codec name
1790 * @ac97: the codec instance
1792 * Returns the short identifying name of the codec.
1794 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1796 const struct ac97_codec_id *pid;
1798 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1799 if (pid->id == (ac97->id & pid->mask))
1801 return "unknown codec";
1804 EXPORT_SYMBOL(snd_ac97_get_short_name);
1806 /* wait for a while until registers are accessible after RESET
1807 * return 0 if ok, negative not ready
1809 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1811 unsigned long end_time;
1814 end_time = jiffies + timeout;
1817 /* use preliminary reads to settle the communication */
1818 snd_ac97_read(ac97, AC97_RESET);
1819 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1820 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1823 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1824 if (val != 0xffff && (val & 1) != 0)
1827 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1828 /* probably only Xbox issue - all registers are read as zero */
1829 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1830 if (val != 0 && val != 0xffff)
1833 /* because the PCM or MASTER volume registers can be modified,
1834 * the REC_GAIN register is used for tests
1836 /* test if we can write to the record gain volume register */
1837 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1838 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1841 schedule_timeout_uninterruptible(1);
1842 } while (time_after_eq(end_time, jiffies));
1847 * snd_ac97_bus - create an AC97 bus component
1848 * @card: the card instance
1849 * @num: the bus number
1850 * @ops: the bus callbacks table
1851 * @private_data: private data pointer for the new instance
1852 * @rbus: the pointer to store the new AC97 bus instance.
1854 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1855 * allocated and initialized.
1857 * The ops table must include valid callbacks (at least read and
1858 * write). The other callbacks, wait and reset, are not mandatory.
1860 * The clock is set to 48000. If another clock is needed, set
1861 * (*rbus)->clock manually.
1863 * The AC97 bus instance is registered as a low-level device, so you don't
1864 * have to release it manually.
1866 * Returns zero if successful, or a negative error code on failure.
1868 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1869 void *private_data, struct snd_ac97_bus **rbus)
1872 struct snd_ac97_bus *bus;
1873 static struct snd_device_ops dev_ops = {
1874 .dev_free = snd_ac97_bus_dev_free,
1877 snd_assert(card != NULL, return -EINVAL);
1878 snd_assert(rbus != NULL, return -EINVAL);
1879 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1885 bus->private_data = private_data;
1887 spin_lock_init(&bus->bus_lock);
1888 snd_ac97_bus_proc_init(bus);
1889 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1890 snd_ac97_bus_free(bus);
1897 EXPORT_SYMBOL(snd_ac97_bus);
1899 /* stop no dev release warning */
1900 static void ac97_device_release(struct device * dev)
1904 /* register ac97 codec to bus */
1905 static int snd_ac97_dev_register(struct snd_device *device)
1907 struct snd_ac97 *ac97 = device->device_data;
1910 ac97->dev.bus = &ac97_bus_type;
1911 ac97->dev.parent = ac97->bus->card->dev;
1912 ac97->dev.release = ac97_device_release;
1913 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1914 ac97->bus->card->number, ac97->num,
1915 snd_ac97_get_short_name(ac97));
1916 if ((err = device_register(&ac97->dev)) < 0) {
1917 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1918 ac97->dev.bus = NULL;
1924 /* disconnect ac97 codec */
1925 static int snd_ac97_dev_disconnect(struct snd_device *device)
1927 struct snd_ac97 *ac97 = device->device_data;
1929 device_unregister(&ac97->dev);
1933 /* build_ops to do nothing */
1934 static struct snd_ac97_build_ops null_build_ops;
1936 #ifdef CONFIG_SND_AC97_POWER_SAVE
1937 static void do_update_power(struct work_struct *work)
1940 container_of(work, struct snd_ac97, power_work.work));
1945 * snd_ac97_mixer - create an Codec97 component
1946 * @bus: the AC97 bus which codec is attached to
1947 * @template: the template of ac97, including index, callbacks and
1949 * @rac97: the pointer to store the new ac97 instance.
1951 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1952 * allocated and initialized from the template. The codec
1953 * is then initialized by the standard procedure.
1955 * The template must include the codec number (num) and address (addr),
1956 * and the private data (private_data).
1958 * The ac97 instance is registered as a low-level device, so you don't
1959 * have to release it manually.
1961 * Returns zero if successful, or a negative error code on failure.
1963 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1966 struct snd_ac97 *ac97;
1967 struct snd_card *card;
1969 unsigned long end_time;
1971 const struct ac97_codec_id *pid;
1972 static struct snd_device_ops ops = {
1973 .dev_free = snd_ac97_dev_free,
1974 .dev_register = snd_ac97_dev_register,
1975 .dev_disconnect = snd_ac97_dev_disconnect,
1978 snd_assert(rac97 != NULL, return -EINVAL);
1980 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1981 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1984 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1987 ac97->private_data = template->private_data;
1988 ac97->private_free = template->private_free;
1990 ac97->pci = template->pci;
1991 ac97->num = template->num;
1992 ac97->addr = template->addr;
1993 ac97->scaps = template->scaps;
1994 ac97->res_table = template->res_table;
1995 bus->codec[ac97->num] = ac97;
1996 mutex_init(&ac97->reg_mutex);
1997 mutex_init(&ac97->page_mutex);
1998 #ifdef CONFIG_SND_AC97_POWER_SAVE
1999 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
2004 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2005 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2008 if (bus->ops->reset) {
2009 bus->ops->reset(ac97);
2013 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2014 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2015 if (ac97->id && ac97->id != (unsigned int)-1) {
2016 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2017 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2021 /* reset to defaults */
2022 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2023 snd_ac97_write(ac97, AC97_RESET, 0);
2024 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2025 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2027 bus->ops->wait(ac97);
2030 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2031 err = ac97_reset_wait(ac97, HZ/2, 1);
2033 err = ac97_reset_wait(ac97, HZ/2, 0);
2035 err = ac97_reset_wait(ac97, HZ/2, 1);
2038 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
2039 /* proceed anyway - it's often non-critical */
2043 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2044 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2045 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2046 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2047 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
2048 snd_ac97_free(ac97);
2051 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2053 ac97->flags |= pid->flags;
2055 /* test for AC'97 */
2056 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2057 /* test if we can write to the record gain volume register */
2058 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2059 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2060 ac97->scaps |= AC97_SCAP_AUDIO;
2062 if (ac97->scaps & AC97_SCAP_AUDIO) {
2063 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2064 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2065 if (ac97->ext_id == 0xffff) /* invalid combination */
2069 /* test for MC'97 */
2070 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2071 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2072 if (ac97->ext_mid == 0xffff) /* invalid combination */
2074 if (ac97->ext_mid & 1)
2075 ac97->scaps |= AC97_SCAP_MODEM;
2078 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2079 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2080 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2081 snd_ac97_free(ac97);
2085 if (bus->ops->reset) // FIXME: always skipping?
2088 /* FIXME: add powerdown control */
2089 if (ac97_is_audio(ac97)) {
2090 /* nothing should be in powerdown mode */
2091 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2092 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2093 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2095 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2097 /* nothing should be in powerdown mode */
2098 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2099 end_time = jiffies + (HZ / 10);
2101 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2103 schedule_timeout_uninterruptible(1);
2104 } while (time_after_eq(end_time, jiffies));
2105 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2108 /* FIXME: add powerdown control */
2109 if (ac97_is_modem(ac97)) {
2112 /* nothing should be in powerdown mode */
2113 /* note: it's important to set the rate at first */
2114 tmp = AC97_MEA_GPIO;
2115 if (ac97->ext_mid & AC97_MEI_LINE1) {
2116 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2117 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2119 if (ac97->ext_mid & AC97_MEI_LINE2) {
2120 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2121 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2123 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2124 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2125 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2127 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2129 /* nothing should be in powerdown mode */
2130 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2131 end_time = jiffies + (HZ / 10);
2133 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2135 schedule_timeout_uninterruptible(1);
2136 } while (time_after_eq(end_time, jiffies));
2137 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2141 if (ac97_is_audio(ac97))
2142 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2144 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2145 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2146 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2147 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2149 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2150 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2152 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2153 /* Intel controllers require double rate data to be put in
2154 * slots 7+8, so let's hope the codec supports it. */
2155 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2156 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2157 ac97->flags |= AC97_DOUBLE_RATE;
2158 /* restore to slots 10/11 to avoid the confliction with surrounds */
2159 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2161 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2162 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2163 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2165 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2166 if (ac97->flags & AC97_DOUBLE_RATE)
2167 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2168 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2170 if (ac97->ext_id & AC97_EI_SPDIF) {
2171 /* codec specific code (patch) should override these values */
2172 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2174 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2175 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2177 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2179 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2180 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2181 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2183 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2184 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2185 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2187 /* additional initializations */
2189 bus->ops->init(ac97);
2190 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2191 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2192 if (! ac97->build_ops)
2193 ac97->build_ops = &null_build_ops;
2195 if (ac97_is_audio(ac97)) {
2197 if (card->mixername[0] == '\0') {
2198 strcpy(card->mixername, name);
2200 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2201 strcat(card->mixername, ",");
2202 strcat(card->mixername, name);
2205 sprintf(comp, "AC97a:%08x", ac97->id);
2206 if ((err = snd_component_add(card, comp)) < 0) {
2207 snd_ac97_free(ac97);
2210 if (snd_ac97_mixer_build(ac97) < 0) {
2211 snd_ac97_free(ac97);
2215 if (ac97_is_modem(ac97)) {
2217 if (card->mixername[0] == '\0') {
2218 strcpy(card->mixername, name);
2220 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2221 strcat(card->mixername, ",");
2222 strcat(card->mixername, name);
2225 sprintf(comp, "AC97m:%08x", ac97->id);
2226 if ((err = snd_component_add(card, comp)) < 0) {
2227 snd_ac97_free(ac97);
2230 if (snd_ac97_modem_build(card, ac97) < 0) {
2231 snd_ac97_free(ac97);
2235 if (ac97_is_audio(ac97))
2236 update_power_regs(ac97);
2237 snd_ac97_proc_init(ac97);
2238 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2239 snd_ac97_free(ac97);
2246 EXPORT_SYMBOL(snd_ac97_mixer);
2249 * Power down the chip.
2251 * MASTER and HEADPHONE registers are muted but the register cache values
2252 * are not changed, so that the values can be restored in snd_ac97_resume().
2254 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2256 unsigned short power;
2258 if (ac97_is_audio(ac97)) {
2259 /* some codecs have stereo mute bits */
2260 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2261 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2264 /* surround, CLFE, mic powerdown */
2265 power = ac97->regs[AC97_EXTENDED_STATUS];
2266 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2267 power |= AC97_EA_PRJ;
2268 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2269 power |= AC97_EA_PRI | AC97_EA_PRK;
2270 power |= AC97_EA_PRL;
2271 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2273 /* powerdown external amplifier */
2274 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2275 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2276 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2277 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2278 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2279 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
2280 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2282 power |= AC97_PD_PR2 | AC97_PD_PR3; /* Analog Mixer powerdown */
2283 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2284 if (ac97_is_power_save_mode(ac97)) {
2286 /* AC-link powerdown, internal Clk disable */
2287 /* FIXME: this may cause click noises on some boards */
2288 power |= AC97_PD_PR4 | AC97_PD_PR5;
2289 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2294 struct ac97_power_reg {
2296 unsigned short power_reg;
2297 unsigned short mask;
2300 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2302 static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2303 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2304 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2305 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2306 AC97_EA_PRI | AC97_EA_PRK},
2307 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2309 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2313 #ifdef CONFIG_SND_AC97_POWER_SAVE
2315 * snd_ac97_update_power - update the powerdown register
2316 * @ac97: the codec instance
2317 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2318 * @powerup: non-zero when power up the part
2320 * Update the AC97 powerdown register bits of the given part.
2322 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2330 /* SPDIF requires DAC power, too */
2331 if (reg == AC97_SPDIF)
2332 reg = AC97_PCM_FRONT_DAC_RATE;
2333 for (i = 0; i < PWIDX_SIZE; i++) {
2334 if (power_regs[i].reg == reg) {
2336 ac97->power_up |= (1 << i);
2338 ac97->power_up &= ~(1 << i);
2344 if (ac97_is_power_save_mode(ac97) && !powerup)
2345 /* adjust power-down bits after two seconds delay
2346 * (for avoiding loud click noises for many (OSS) apps
2347 * that open/close frequently)
2349 schedule_delayed_work(&ac97->power_work, HZ*2);
2351 cancel_delayed_work(&ac97->power_work);
2352 update_power_regs(ac97);
2358 EXPORT_SYMBOL(snd_ac97_update_power);
2359 #endif /* CONFIG_SND_AC97_POWER_SAVE */
2361 static void update_power_regs(struct snd_ac97 *ac97)
2363 unsigned int power_up, bits;
2366 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2367 power_up |= (1 << PWIDX_MIC);
2368 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2369 power_up |= (1 << PWIDX_SURR);
2370 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2371 power_up |= (1 << PWIDX_CLFE);
2372 #ifdef CONFIG_SND_AC97_POWER_SAVE
2373 if (ac97_is_power_save_mode(ac97))
2374 power_up = ac97->power_up;
2377 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2378 /* needs power-up analog mix and vref */
2379 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2382 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2386 for (i = 0; i < PWIDX_SIZE; i++) {
2387 if (power_up & (1 << i))
2390 bits = power_regs[i].mask;
2391 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2392 power_regs[i].mask, bits);
2395 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2396 /* power down analog mix and vref */
2397 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2398 AC97_PD_PR2, AC97_PD_PR2);
2399 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2400 AC97_PD_PR3, AC97_PD_PR3);
2408 * snd_ac97_suspend - General suspend function for AC97 codec
2409 * @ac97: the ac97 instance
2411 * Suspends the codec, power down the chip.
2413 void snd_ac97_suspend(struct snd_ac97 *ac97)
2417 if (ac97->build_ops->suspend)
2418 ac97->build_ops->suspend(ac97);
2419 #ifdef CONFIG_SND_AC97_POWER_SAVE
2420 cancel_delayed_work(&ac97->power_work);
2421 flush_scheduled_work();
2423 snd_ac97_powerdown(ac97);
2426 EXPORT_SYMBOL(snd_ac97_suspend);
2429 * restore ac97 status
2431 void snd_ac97_restore_status(struct snd_ac97 *ac97)
2435 for (i = 2; i < 0x7c ; i += 2) {
2436 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2438 /* restore only accessible registers
2439 * some chip (e.g. nm256) may hang up when unsupported registers
2442 if (test_bit(i, ac97->reg_accessed)) {
2443 snd_ac97_write(ac97, i, ac97->regs[i]);
2444 snd_ac97_read(ac97, i);
2450 * restore IEC958 status
2452 void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2454 if (ac97->ext_id & AC97_EI_SPDIF) {
2455 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2456 /* reset spdif status */
2457 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2458 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2459 if (ac97->flags & AC97_CS_SPDIF)
2460 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2462 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2463 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2469 * snd_ac97_resume - General resume function for AC97 codec
2470 * @ac97: the ac97 instance
2472 * Do the standard resume procedure, power up and restoring the
2473 * old register values.
2475 void snd_ac97_resume(struct snd_ac97 *ac97)
2477 unsigned long end_time;
2482 if (ac97->bus->ops->reset) {
2483 ac97->bus->ops->reset(ac97);
2487 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2488 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2489 snd_ac97_write(ac97, AC97_RESET, 0);
2491 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2493 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2495 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2496 if (ac97_is_audio(ac97)) {
2497 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2498 end_time = jiffies + msecs_to_jiffies(100);
2500 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2502 schedule_timeout_uninterruptible(1);
2503 } while (time_after_eq(end_time, jiffies));
2504 /* FIXME: extra delay */
2505 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2506 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2509 end_time = jiffies + msecs_to_jiffies(100);
2511 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2512 if (val != 0xffff && (val & 1) != 0)
2514 schedule_timeout_uninterruptible(1);
2515 } while (time_after_eq(end_time, jiffies));
2519 if (ac97->bus->ops->init)
2520 ac97->bus->ops->init(ac97);
2522 if (ac97->build_ops->resume)
2523 ac97->build_ops->resume(ac97);
2525 snd_ac97_restore_status(ac97);
2526 snd_ac97_restore_iec958(ac97);
2530 EXPORT_SYMBOL(snd_ac97_resume);
2537 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2540 sprintf(dst, "%s %s", src, suffix);
2545 /* remove the control with the given name and optional suffix */
2546 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
2548 struct snd_ctl_elem_id id;
2549 memset(&id, 0, sizeof(id));
2550 set_ctl_name(id.name, name, suffix);
2551 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2552 return snd_ctl_remove_id(ac97->bus->card, &id);
2555 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2557 struct snd_ctl_elem_id sid;
2558 memset(&sid, 0, sizeof(sid));
2559 set_ctl_name(sid.name, name, suffix);
2560 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2561 return snd_ctl_find_id(ac97->bus->card, &sid);
2564 /* rename the control with the given name and optional suffix */
2565 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
2567 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2569 set_ctl_name(kctl->id.name, dst, suffix);
2575 /* rename both Volume and Switch controls - don't check the return value */
2576 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
2578 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2579 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2583 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
2585 struct snd_kcontrol *kctl1, *kctl2;
2586 kctl1 = ctl_find(ac97, s1, suffix);
2587 kctl2 = ctl_find(ac97, s2, suffix);
2588 if (kctl1 && kctl2) {
2589 set_ctl_name(kctl1->id.name, s2, suffix);
2590 set_ctl_name(kctl2->id.name, s1, suffix);
2597 /* bind hp and master controls instead of using only hp control */
2598 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2600 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2602 unsigned long priv_saved = kcontrol->private_value;
2603 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2604 snd_ac97_put_volsw(kcontrol, ucontrol);
2605 kcontrol->private_value = priv_saved;
2610 /* ac97 tune: bind Master and Headphone controls */
2611 static int tune_hp_only(struct snd_ac97 *ac97)
2613 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2614 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2615 if (! msw || ! mvol)
2617 msw->put = bind_hp_volsw_put;
2618 mvol->put = bind_hp_volsw_put;
2619 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2620 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2625 /* ac97 tune: use Headphone control as master */
2626 static int tune_hp_only(struct snd_ac97 *ac97)
2628 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2630 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2631 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2632 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2637 /* ac97 tune: swap Headphone and Master controls */
2638 static int tune_swap_hp(struct snd_ac97 *ac97)
2640 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2642 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2643 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2647 /* ac97 tune: swap Surround and Master controls */
2648 static int tune_swap_surround(struct snd_ac97 *ac97)
2650 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2651 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2656 /* ac97 tune: set up mic sharing for AD codecs */
2657 static int tune_ad_sharing(struct snd_ac97 *ac97)
2659 unsigned short scfg;
2660 if ((ac97->id & 0xffffff00) != 0x41445300) {
2661 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2664 /* Turn on OMS bit to route microphone to back panel */
2665 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2666 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2670 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2671 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2673 /* ac97 tune: set up ALC jack-select */
2674 static int tune_alc_jack(struct snd_ac97 *ac97)
2676 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2677 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2680 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2681 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2682 if (ac97->id == AC97_ID_ALC658D)
2683 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2684 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2687 /* ac97 tune: inversed EAPD bit */
2688 static int tune_inv_eapd(struct snd_ac97 *ac97)
2690 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2693 set_inv_eapd(ac97, kctl);
2697 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2699 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2701 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2702 int shift = (kcontrol->private_value >> 8) & 0x0f;
2703 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2704 unsigned short mask;
2705 if (shift != rshift)
2709 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2710 (ac97->regs[AC97_MASTER] & mask) == mask ?
2716 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2717 static int tune_mute_led(struct snd_ac97 *ac97)
2719 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2722 msw->put = master_mute_sw_put;
2723 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2724 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2725 ac97->scaps |= AC97_SCAP_EAPD_LED;
2729 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2730 struct snd_ctl_elem_value *ucontrol)
2732 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2734 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2735 int shift = (kcontrol->private_value >> 8) & 0x0f;
2736 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2737 unsigned short mask;
2738 if (shift != rshift)
2742 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2743 (ac97->regs[AC97_MASTER] & mask) == mask ?
2749 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2751 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2752 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2753 if (! msw || ! mvol)
2755 msw->put = hp_master_mute_sw_put;
2756 mvol->put = bind_hp_volsw_put;
2757 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2758 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2759 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2760 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2764 struct quirk_table {
2766 int (*func)(struct snd_ac97 *);
2769 static struct quirk_table applicable_quirks[] = {
2771 { "hp_only", tune_hp_only },
2772 { "swap_hp", tune_swap_hp },
2773 { "swap_surround", tune_swap_surround },
2774 { "ad_sharing", tune_ad_sharing },
2775 { "alc_jack", tune_alc_jack },
2776 { "inv_eapd", tune_inv_eapd },
2777 { "mute_led", tune_mute_led },
2778 { "hp_mute_led", tune_hp_mute_led },
2781 /* apply the quirk with the given type */
2782 static int apply_quirk(struct snd_ac97 *ac97, int type)
2786 else if (type >= ARRAY_SIZE(applicable_quirks))
2788 if (applicable_quirks[type].func)
2789 return applicable_quirks[type].func(ac97);
2793 /* apply the quirk with the given name */
2794 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2797 struct quirk_table *q;
2799 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2800 q = &applicable_quirks[i];
2801 if (q->name && ! strcmp(typestr, q->name))
2802 return apply_quirk(ac97, i);
2804 /* for compatibility, accept the numbers, too */
2805 if (*typestr >= '0' && *typestr <= '9')
2806 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2811 * snd_ac97_tune_hardware - tune up the hardware
2812 * @ac97: the ac97 instance
2813 * @quirk: quirk list
2814 * @override: explicit quirk value (overrides the list if non-NULL)
2816 * Do some workaround for each pci device, such as renaming of the
2817 * headphone (true line-out) control as "Master".
2818 * The quirk-list must be terminated with a zero-filled entry.
2820 * Returns zero if successful, or a negative error code on failure.
2823 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2827 /* quirk overriden? */
2828 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2829 result = apply_quirk_str(ac97, override);
2831 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2838 for (; quirk->subvendor; quirk++) {
2839 if (quirk->subvendor != ac97->subsystem_vendor)
2841 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2842 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2843 if (quirk->codec_id && quirk->codec_id != ac97->id)
2845 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2846 result = apply_quirk(ac97, quirk->type);
2848 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2855 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2861 static int __init alsa_ac97_init(void)
2866 static void __exit alsa_ac97_exit(void)
2870 module_init(alsa_ac97_init)
2871 module_exit(alsa_ac97_exit)