1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 * Universal interface for Audio Codec '97
6 * For more details look to AC '97 component specification revision 2.2
7 * by Intel Corporation (http://developer.intel.com).
10 #include <linux/delay.h>
11 #include <linux/init.h>
12 #include <linux/slab.h>
13 #include <linux/pci.h>
14 #include <linux/module.h>
15 #include <linux/mutex.h>
16 #include <sound/core.h>
17 #include <sound/pcm.h>
18 #include <sound/tlv.h>
19 #include <sound/ac97_codec.h>
20 #include <sound/asoundef.h>
21 #include <sound/initval.h>
24 #include "ac97_patch.c"
26 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
27 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
28 MODULE_LICENSE("GPL");
30 static bool enable_loopback;
32 module_param(enable_loopback, bool, 0444);
33 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
35 #ifdef CONFIG_SND_AC97_POWER_SAVE
36 static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT;
37 module_param(power_save, int, 0644);
38 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
39 "(in second, 0 = disable).");
45 struct ac97_codec_id {
49 int (*patch)(struct snd_ac97 *ac97);
50 int (*mpatch)(struct snd_ac97 *ac97);
54 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
55 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
56 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
57 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
58 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
60 * This is an _inofficial_ Aztech Labs entry
61 * (value might differ from unknown official Aztech ID),
62 * currently used by the AC97 emulation of the almost-AC97 PCI168 card.
64 { 0x415a5400, 0xffffff00, "Aztech Labs (emulated)", NULL, NULL },
65 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
66 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
67 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
68 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
69 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
70 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
71 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
72 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
73 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
74 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
75 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
76 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
77 { 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL },
78 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
79 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
80 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
81 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
82 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
83 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
84 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
85 { 0, 0, NULL, NULL, NULL }
88 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
89 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
90 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
91 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
92 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
93 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
94 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
95 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
96 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
97 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
98 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
99 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
100 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
101 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL },
102 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
103 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
104 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
105 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
106 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
107 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
108 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
109 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
110 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
111 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
112 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
113 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
114 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
115 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
116 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
117 { 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL },
118 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
119 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
120 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
121 { 0x415a5401, 0xffffffff, "AZF3328", patch_aztech_azf3328, NULL },
122 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
123 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
124 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
125 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL },
126 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL },
127 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL },
128 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
129 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
130 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
131 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
132 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
133 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
134 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
135 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
136 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
137 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
138 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
139 { 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL },
140 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL },
141 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
142 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
143 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
144 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
145 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
146 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
147 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
148 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
149 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
150 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
151 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
152 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
153 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
154 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
155 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
156 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
157 { 0x53544d02, 0xffffffff, "ST7597", NULL, NULL },
158 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
159 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL },
160 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
161 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
162 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
163 { 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL },
164 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
165 { 0x56494120, 0xfffffff0, "VIA1613", patch_vt1613, NULL },
166 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
167 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
168 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL },
169 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
170 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL },
171 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
172 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
173 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
174 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
175 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL},
176 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
177 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL },
178 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
179 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
180 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
181 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
182 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
183 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
184 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
185 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
186 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
187 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
188 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
189 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
190 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
191 { 0, 0, NULL, NULL, NULL }
195 static void update_power_regs(struct snd_ac97 *ac97);
196 #ifdef CONFIG_SND_AC97_POWER_SAVE
197 #define ac97_is_power_save_mode(ac97) \
198 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
200 #define ac97_is_power_save_mode(ac97) 0
203 #define ac97_err(ac97, fmt, args...) \
204 dev_err((ac97)->bus->card->dev, fmt, ##args)
205 #define ac97_warn(ac97, fmt, args...) \
206 dev_warn((ac97)->bus->card->dev, fmt, ##args)
207 #define ac97_dbg(ac97, fmt, args...) \
208 dev_dbg((ac97)->bus->card->dev, fmt, ##args)
214 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
216 /* filter some registers for buggy codecs */
218 case AC97_ID_ST_AC97_ID4:
223 if (reg == 0x22 || reg == 0x7a)
228 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
231 case AC97_ID_AD1819: /* AD1819 */
232 case AC97_ID_AD1881: /* AD1881 */
233 case AC97_ID_AD1881A: /* AD1881A */
234 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
237 case AC97_ID_AD1885: /* AD1885 */
238 case AC97_ID_AD1886: /* AD1886 */
239 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
240 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
243 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
246 case AC97_ID_STAC9700:
247 case AC97_ID_STAC9704:
248 case AC97_ID_STAC9705:
249 case AC97_ID_STAC9708:
250 case AC97_ID_STAC9721:
251 case AC97_ID_STAC9744:
252 case AC97_ID_STAC9756:
253 if (reg <= 0x3a || reg >= 0x5a)
261 * snd_ac97_write - write a value on the given register
262 * @ac97: the ac97 instance
263 * @reg: the register to change
264 * @value: the value to set
266 * Writes a value on the given register. This will invoke the write
267 * callback directly after the register check.
268 * This function doesn't change the register cache unlike
269 * #snd_ca97_write_cache(), so use this only when you don't want to
270 * reflect the change to the suspend/resume state.
272 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
274 if (!snd_ac97_valid_reg(ac97, reg))
276 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
277 /* Fix H/W bug of ALC100/100P */
278 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
279 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
281 ac97->bus->ops->write(ac97, reg, value);
284 EXPORT_SYMBOL(snd_ac97_write);
287 * snd_ac97_read - read a value from the given register
289 * @ac97: the ac97 instance
290 * @reg: the register to read
292 * Reads a value from the given register. This will invoke the read
293 * callback directly after the register check.
295 * Return: The read value.
297 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
299 if (!snd_ac97_valid_reg(ac97, reg))
301 return ac97->bus->ops->read(ac97, reg);
304 /* read a register - return the cached value if already read */
305 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
307 if (! test_bit(reg, ac97->reg_accessed)) {
308 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
309 // set_bit(reg, ac97->reg_accessed);
311 return ac97->regs[reg];
314 EXPORT_SYMBOL(snd_ac97_read);
317 * snd_ac97_write_cache - write a value on the given register and update the cache
318 * @ac97: the ac97 instance
319 * @reg: the register to change
320 * @value: the value to set
322 * Writes a value on the given register and updates the register
323 * cache. The cached values are used for the cached-read and the
326 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
328 if (!snd_ac97_valid_reg(ac97, reg))
330 mutex_lock(&ac97->reg_mutex);
331 ac97->regs[reg] = value;
332 ac97->bus->ops->write(ac97, reg, value);
333 set_bit(reg, ac97->reg_accessed);
334 mutex_unlock(&ac97->reg_mutex);
337 EXPORT_SYMBOL(snd_ac97_write_cache);
340 * snd_ac97_update - update the value on the given register
341 * @ac97: the ac97 instance
342 * @reg: the register to change
343 * @value: the value to set
345 * Compares the value with the register cache and updates the value
346 * only when the value is changed.
348 * Return: 1 if the value is changed, 0 if no change, or a negative
351 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
355 if (!snd_ac97_valid_reg(ac97, reg))
357 mutex_lock(&ac97->reg_mutex);
358 change = ac97->regs[reg] != value;
360 ac97->regs[reg] = value;
361 ac97->bus->ops->write(ac97, reg, value);
363 set_bit(reg, ac97->reg_accessed);
364 mutex_unlock(&ac97->reg_mutex);
368 EXPORT_SYMBOL(snd_ac97_update);
371 * snd_ac97_update_bits - update the bits on the given register
372 * @ac97: the ac97 instance
373 * @reg: the register to change
374 * @mask: the bit-mask to change
375 * @value: the value to set
377 * Updates the masked-bits on the given register only when the value
380 * Return: 1 if the bits are changed, 0 if no change, or a negative
383 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
387 if (!snd_ac97_valid_reg(ac97, reg))
389 mutex_lock(&ac97->reg_mutex);
390 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
391 mutex_unlock(&ac97->reg_mutex);
395 EXPORT_SYMBOL(snd_ac97_update_bits);
397 /* no lock version - see snd_ac97_update_bits() */
398 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
399 unsigned short mask, unsigned short value)
402 unsigned short old, new;
404 old = snd_ac97_read_cache(ac97, reg);
405 new = (old & ~mask) | (value & mask);
408 ac97->regs[reg] = new;
409 ac97->bus->ops->write(ac97, reg, new);
411 set_bit(reg, ac97->reg_accessed);
415 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
418 unsigned short old, new, cfg;
420 mutex_lock(&ac97->page_mutex);
421 old = ac97->spec.ad18xx.pcmreg[codec];
422 new = (old & ~mask) | (value & mask);
425 mutex_lock(&ac97->reg_mutex);
426 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
427 ac97->spec.ad18xx.pcmreg[codec] = new;
428 /* select single codec */
429 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
431 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
432 /* update PCM bits */
433 ac97->bus->ops->write(ac97, AC97_PCM, new);
434 /* select all codecs */
435 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
437 mutex_unlock(&ac97->reg_mutex);
439 mutex_unlock(&ac97->page_mutex);
447 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
448 struct snd_ctl_elem_info *uinfo)
450 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
452 return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2,
456 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
457 struct snd_ctl_elem_value *ucontrol)
459 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
460 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
461 unsigned short val, bitmask;
463 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
465 val = snd_ac97_read_cache(ac97, e->reg);
466 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
467 if (e->shift_l != e->shift_r)
468 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
473 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
474 struct snd_ctl_elem_value *ucontrol)
476 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
477 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
479 unsigned short mask, bitmask;
481 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
483 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
485 val = ucontrol->value.enumerated.item[0] << e->shift_l;
486 mask = (bitmask - 1) << e->shift_l;
487 if (e->shift_l != e->shift_r) {
488 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
490 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
491 mask |= (bitmask - 1) << e->shift_r;
493 return snd_ac97_update_bits(ac97, e->reg, mask, val);
496 /* save/restore ac97 v2.3 paging */
497 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
500 if ((kcontrol->private_value & (1<<25)) &&
501 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
502 (reg >= 0x60 && reg < 0x70)) {
503 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
504 mutex_lock(&ac97->page_mutex); /* lock paging */
505 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
506 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
511 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
513 if (page_save >= 0) {
514 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
515 mutex_unlock(&ac97->page_mutex); /* unlock paging */
519 /* volume and switch controls */
520 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
521 struct snd_ctl_elem_info *uinfo)
523 int mask = (kcontrol->private_value >> 16) & 0xff;
524 int shift = (kcontrol->private_value >> 8) & 0x0f;
525 int rshift = (kcontrol->private_value >> 12) & 0x0f;
527 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
528 uinfo->count = shift == rshift ? 1 : 2;
529 uinfo->value.integer.min = 0;
530 uinfo->value.integer.max = mask;
534 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
535 struct snd_ctl_elem_value *ucontrol)
537 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
538 int reg = kcontrol->private_value & 0xff;
539 int shift = (kcontrol->private_value >> 8) & 0x0f;
540 int rshift = (kcontrol->private_value >> 12) & 0x0f;
541 int mask = (kcontrol->private_value >> 16) & 0xff;
542 int invert = (kcontrol->private_value >> 24) & 0x01;
545 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
546 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
548 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
550 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
552 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
554 snd_ac97_page_restore(ac97, page_save);
558 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
559 struct snd_ctl_elem_value *ucontrol)
561 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
562 int reg = kcontrol->private_value & 0xff;
563 int shift = (kcontrol->private_value >> 8) & 0x0f;
564 int rshift = (kcontrol->private_value >> 12) & 0x0f;
565 int mask = (kcontrol->private_value >> 16) & 0xff;
566 int invert = (kcontrol->private_value >> 24) & 0x01;
568 unsigned short val, val2, val_mask;
570 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
571 val = (ucontrol->value.integer.value[0] & mask);
574 val_mask = mask << shift;
576 if (shift != rshift) {
577 val2 = (ucontrol->value.integer.value[1] & mask);
580 val_mask |= mask << rshift;
581 val |= val2 << rshift;
583 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
584 snd_ac97_page_restore(ac97, page_save);
585 #ifdef CONFIG_SND_AC97_POWER_SAVE
586 /* check analog mixer power-down */
587 if ((val_mask & AC97_PD_EAPD) &&
588 (kcontrol->private_value & (1<<30))) {
589 if (val & AC97_PD_EAPD)
590 ac97->power_up &= ~(1 << (reg>>1));
592 ac97->power_up |= 1 << (reg>>1);
593 update_power_regs(ac97);
599 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
600 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
601 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
604 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
605 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
606 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1)
609 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
610 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
613 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
614 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
615 static const char* std_mix[] = {"Mix", "Mic"};
616 static const char* std_mic[] = {"Mic1", "Mic2"};
618 static const struct ac97_enum std_enum[] = {
619 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
621 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
622 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
625 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
626 AC97_ENUM("Capture Source", std_enum[0]);
628 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
629 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
631 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
632 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
633 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
637 AC97_GENERAL_PCM_OUT = 0,
638 AC97_GENERAL_STEREO_ENHANCEMENT,
640 AC97_GENERAL_LOUDNESS,
643 AC97_GENERAL_LOOPBACK
646 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
647 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
648 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
649 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
650 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
651 AC97_ENUM("Mono Output Select", std_enum[2]),
652 AC97_ENUM("Mic Select", std_enum[3]),
653 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
656 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
657 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
658 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
661 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
662 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
663 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
666 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
667 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
668 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
671 static const struct snd_kcontrol_new snd_ac97_control_eapd =
672 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
674 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
675 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
676 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
679 /* change the existing EAPD control as inverted */
680 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
682 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
683 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
684 ac97->scaps |= AC97_SCAP_INV_EAPD;
687 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
689 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
694 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
696 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
697 IEC958_AES0_NONAUDIO |
698 IEC958_AES0_CON_EMPHASIS_5015 |
699 IEC958_AES0_CON_NOT_COPYRIGHT;
700 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
701 IEC958_AES1_CON_ORIGINAL;
702 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
706 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
708 /* FIXME: AC'97 spec doesn't say which bits are used for what */
709 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
710 IEC958_AES0_NONAUDIO |
712 IEC958_AES0_PRO_EMPHASIS_5015;
716 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
718 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
720 mutex_lock(&ac97->reg_mutex);
721 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
722 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
723 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
724 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
725 mutex_unlock(&ac97->reg_mutex);
729 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
731 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
732 unsigned int new = 0;
733 unsigned short val = 0;
736 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
737 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
738 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
739 switch (new & IEC958_AES0_PRO_FS) {
740 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
741 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
742 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
743 default: val |= 1<<12; break;
745 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
748 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
749 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
750 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
751 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
753 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
755 val |= ((new >> 8) & 0xff) << 4; // category + original
756 switch ((new >> 24) & 0xff) {
757 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
758 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
759 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
760 default: val |= 1<<12; break;
764 mutex_lock(&ac97->reg_mutex);
765 change = ac97->spdif_status != new;
766 ac97->spdif_status = new;
768 if (ac97->flags & AC97_CS_SPDIF) {
769 int x = (val >> 12) & 0x03;
771 case 0: x = 1; break; // 44.1
772 case 2: x = 0; break; // 48.0
773 default: x = 0; break; // illegal.
775 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
776 } else if (ac97->flags & AC97_CX_SPDIF) {
778 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
779 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
780 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
781 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
783 } else if (ac97->id == AC97_ID_YMF743) {
784 change |= snd_ac97_update_bits_nolock(ac97,
785 AC97_YMF7X3_DIT_CTRL,
787 ((val << 4) & 0xff00) |
788 ((val << 2) & 0x0038));
790 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
791 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
793 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
794 if (extst & AC97_EA_SPDIF) {
795 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
798 mutex_unlock(&ac97->reg_mutex);
803 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
805 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
806 int reg = kcontrol->private_value & 0xff;
807 int shift = (kcontrol->private_value >> 8) & 0x0f;
808 int mask = (kcontrol->private_value >> 16) & 0xff;
809 // int invert = (kcontrol->private_value >> 24) & 0xff;
810 unsigned short value, old, new;
813 value = (ucontrol->value.integer.value[0] & mask);
815 mutex_lock(&ac97->reg_mutex);
818 old = snd_ac97_read_cache(ac97, reg);
819 new = (old & ~mask) | value;
823 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
824 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
825 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
826 if (extst & AC97_EA_SPDIF)
827 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
829 mutex_unlock(&ac97->reg_mutex);
833 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
835 .access = SNDRV_CTL_ELEM_ACCESS_READ,
836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
838 .info = snd_ac97_spdif_mask_info,
839 .get = snd_ac97_spdif_cmask_get,
842 .access = SNDRV_CTL_ELEM_ACCESS_READ,
843 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
844 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
845 .info = snd_ac97_spdif_mask_info,
846 .get = snd_ac97_spdif_pmask_get,
849 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
850 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
851 .info = snd_ac97_spdif_mask_info,
852 .get = snd_ac97_spdif_default_get,
853 .put = snd_ac97_spdif_default_put,
856 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
858 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
859 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
860 .info = snd_ac97_info_volsw,
861 .get = snd_ac97_get_volsw,
862 .put = snd_ac97_put_spsa,
863 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
867 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
868 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
869 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
870 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
872 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
874 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
875 int mask = (kcontrol->private_value >> 16) & 0x0f;
876 int lshift = (kcontrol->private_value >> 8) & 0x0f;
877 int rshift = (kcontrol->private_value >> 12) & 0x0f;
879 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
880 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
884 uinfo->value.integer.min = 0;
885 uinfo->value.integer.max = mask;
889 static int snd_ac97_ad18xx_pcm_get_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;
897 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
899 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
903 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
905 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
906 int codec = kcontrol->private_value & 3;
907 int lshift = (kcontrol->private_value >> 8) & 0x0f;
908 int rshift = (kcontrol->private_value >> 12) & 0x0f;
909 int mask = (kcontrol->private_value >> 16) & 0xff;
910 unsigned short val, valmask;
912 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
913 valmask = mask << lshift;
914 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
915 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
916 valmask |= mask << rshift;
918 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
921 #define AD18XX_PCM_VOLUME(xname, codec) \
922 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
923 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
924 .private_value = codec }
926 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
928 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
930 uinfo->value.integer.min = 0;
931 uinfo->value.integer.max = 31;
935 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
937 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
938 int codec = kcontrol->private_value & 3;
940 mutex_lock(&ac97->page_mutex);
941 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
942 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
943 mutex_unlock(&ac97->page_mutex);
947 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
949 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
950 int codec = kcontrol->private_value & 3;
951 unsigned short val1, val2;
953 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
954 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
955 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
958 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
959 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
960 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
963 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
964 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
965 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
968 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
969 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
970 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
973 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
974 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
975 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
982 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
984 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
987 snd_ac97_bus_proc_done(bus);
989 if (bus->private_free)
990 bus->private_free(bus);
996 static int snd_ac97_bus_dev_free(struct snd_device *device)
998 struct snd_ac97_bus *bus = device->device_data;
999 return snd_ac97_bus_free(bus);
1002 static int snd_ac97_free(struct snd_ac97 *ac97)
1005 #ifdef CONFIG_SND_AC97_POWER_SAVE
1006 cancel_delayed_work_sync(&ac97->power_work);
1008 snd_ac97_proc_done(ac97);
1010 ac97->bus->codec[ac97->num] = NULL;
1011 if (ac97->private_free)
1012 ac97->private_free(ac97);
1018 static int snd_ac97_dev_free(struct snd_device *device)
1020 struct snd_ac97 *ac97 = device->device_data;
1021 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1022 return snd_ac97_free(ac97);
1025 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1027 unsigned short val, mask = AC97_MUTE_MASK_MONO;
1029 if (! snd_ac97_valid_reg(ac97, reg))
1033 case AC97_MASTER_TONE:
1034 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0;
1035 case AC97_HEADPHONE:
1036 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0;
1037 case AC97_REC_GAIN_MIC:
1038 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0;
1039 case AC97_3D_CONTROL:
1040 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) {
1041 val = snd_ac97_read(ac97, reg);
1042 /* if nonzero - fixed and we can't set it */
1046 case AC97_CENTER_LFE_MASTER: /* center */
1047 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1050 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1051 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1053 reg = AC97_CENTER_LFE_MASTER;
1056 case AC97_SURROUND_MASTER:
1057 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1062 val = snd_ac97_read(ac97, reg);
1063 if (!(val & mask)) {
1064 /* nothing seems to be here - mute flag is not set */
1065 /* try another test */
1066 snd_ac97_write_cache(ac97, reg, val | mask);
1067 val = snd_ac97_read(ac97, reg);
1068 val = snd_ac97_read(ac97, reg);
1070 return 0; /* nothing here */
1072 return 1; /* success, useable */
1075 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1077 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1078 unsigned char max[3] = { 63, 31, 15 };
1081 /* first look up the static resolution table */
1082 if (ac97->res_table) {
1083 const struct snd_ac97_res_table *tbl;
1084 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1085 if (tbl->reg == reg) {
1086 *lo_max = tbl->bits & 0xff;
1087 *hi_max = (tbl->bits >> 8) & 0xff;
1093 *lo_max = *hi_max = 0;
1094 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1098 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8)
1100 /* Do the read twice due to buffers on some ac97 codecs.
1101 * e.g. The STAC9704 returns exactly what you wrote to the register
1102 * if you read it immediately. This causes the detect routine to fail.
1104 val = snd_ac97_read(ac97, reg);
1105 val = snd_ac97_read(ac97, reg);
1106 if (! *lo_max && (val & 0x7f) == cbit[i])
1108 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1110 if (*lo_max && *hi_max)
1115 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1117 unsigned short mask, val, orig, res;
1120 orig = snd_ac97_read(ac97, reg);
1122 snd_ac97_write(ac97, reg, val);
1123 res = snd_ac97_read(ac97, reg);
1124 snd_ac97_write_cache(ac97, reg, orig);
1128 /* check the volume resolution of center/lfe */
1129 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1131 unsigned short val, val1;
1134 val = AC97_MUTE_MASK_STEREO | (0x20 << shift);
1135 snd_ac97_write(ac97, reg, val);
1136 val1 = snd_ac97_read(ac97, reg);
1140 /* reset volume to zero */
1141 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO);
1144 static inline int printable(unsigned int x)
1147 if (x < ' ' || x >= 0x71) {
1149 return x - 0x71 + 'A';
1155 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
1156 struct snd_ac97 * ac97)
1158 struct snd_kcontrol_new template;
1159 memcpy(&template, _template, sizeof(template));
1160 template.index = ac97->num;
1161 return snd_ctl_new1(&template, ac97);
1165 * create mute switch(es) for normal stereo controls
1167 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1168 int check_stereo, int check_amix,
1169 struct snd_ac97 *ac97)
1171 struct snd_kcontrol *kctl;
1173 unsigned short val, val1, mute_mask;
1175 if (! snd_ac97_valid_reg(ac97, reg))
1178 mute_mask = AC97_MUTE_MASK_MONO;
1179 val = snd_ac97_read(ac97, reg);
1180 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1181 /* check whether both mute bits work */
1182 val1 = val | AC97_MUTE_MASK_STEREO;
1183 snd_ac97_write(ac97, reg, val1);
1184 if (val1 == snd_ac97_read(ac97, reg))
1185 mute_mask = AC97_MUTE_MASK_STEREO;
1187 if (mute_mask == AC97_MUTE_MASK_STEREO) {
1188 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1190 tmp.private_value |= (1 << 30);
1191 tmp.index = ac97->num;
1192 kctl = snd_ctl_new1(&tmp, ac97);
1194 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1196 tmp.private_value |= (1 << 30);
1197 tmp.index = ac97->num;
1198 kctl = snd_ctl_new1(&tmp, ac97);
1200 err = snd_ctl_add(card, kctl);
1203 /* mute as default */
1204 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1209 * set dB information
1211 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1212 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1213 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1214 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1215 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1217 static const unsigned int *find_db_scale(unsigned int maxval)
1220 case 0x0f: return db_scale_4bit;
1221 case 0x1f: return db_scale_5bit;
1222 case 0x3f: return db_scale_6bit;
1227 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1231 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1235 * create a volume for normal stereo/mono controls
1237 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1238 unsigned int hi_max, struct snd_ac97 *ac97)
1241 struct snd_kcontrol *kctl;
1243 if (! snd_ac97_valid_reg(ac97, reg))
1247 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1248 tmp.index = ac97->num;
1249 kctl = snd_ctl_new1(&tmp, ac97);
1252 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1253 tmp.index = ac97->num;
1254 kctl = snd_ctl_new1(&tmp, ac97);
1258 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1259 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1261 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1262 err = snd_ctl_add(card, kctl);
1265 snd_ac97_write_cache(
1267 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO)
1268 | lo_max | (hi_max << 8)
1274 * create a mute-switch and a volume for normal stereo/mono controls
1276 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1277 int reg, int check_stereo, int check_amix,
1278 struct snd_ac97 *ac97)
1281 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
1282 unsigned char lo_max, hi_max;
1284 if (! snd_ac97_valid_reg(ac97, reg))
1287 if (snd_ac97_try_bit(ac97, reg, 15)) {
1288 sprintf(name, "%s Switch", pfx);
1289 err = snd_ac97_cmute_new_stereo(card, name, reg,
1290 check_stereo, check_amix,
1295 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1297 sprintf(name, "%s Volume", pfx);
1298 err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97);
1305 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1306 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1307 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1308 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1310 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1312 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1314 struct snd_card *card = ac97->bus->card;
1315 struct snd_kcontrol *kctl;
1320 /* build master controls */
1321 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1322 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1323 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1324 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1325 AC97_MASTER, 0, ac97);
1327 err = snd_ac97_cmix_new(card, "Master Playback",
1328 AC97_MASTER, 0, ac97);
1333 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO;
1335 /* build center controls */
1336 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1337 && !(ac97->flags & AC97_AD_MULTI)) {
1338 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97));
1341 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97));
1344 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1345 kctl->private_value &= ~(0xff << 16);
1346 kctl->private_value |= (int)max << 16;
1347 set_tlv_db_scale(kctl, find_db_scale(max));
1348 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1351 /* build LFE controls */
1352 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1353 && !(ac97->flags & AC97_AD_MULTI)) {
1354 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97));
1357 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97));
1360 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1361 kctl->private_value &= ~(0xff << 16);
1362 kctl->private_value |= (int)max << 16;
1363 set_tlv_db_scale(kctl, find_db_scale(max));
1364 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1367 /* build surround controls */
1368 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1369 && !(ac97->flags & AC97_AD_MULTI)) {
1370 /* Surround Master (0x38) is with stereo mutes */
1371 err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1372 AC97_SURROUND_MASTER, 1, 0,
1378 /* build headphone controls */
1379 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1380 err = snd_ac97_cmix_new(card, "Headphone Playback",
1381 AC97_HEADPHONE, 0, ac97);
1386 /* build master mono controls */
1387 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1388 err = snd_ac97_cmix_new(card, "Master Mono Playback",
1389 AC97_MASTER_MONO, 0, ac97);
1394 /* build master tone controls */
1395 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1396 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1397 for (idx = 0; idx < 2; idx++) {
1398 kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97);
1399 err = snd_ctl_add(card, kctl);
1402 if (ac97->id == AC97_ID_YMF743 ||
1403 ac97->id == AC97_ID_YMF753) {
1404 kctl->private_value &= ~(0xff << 16);
1405 kctl->private_value |= 7 << 16;
1408 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1412 /* build Beep controls */
1413 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1414 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1415 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1416 for (idx = 0; idx < 2; idx++) {
1417 kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97);
1418 err = snd_ctl_add(card, kctl);
1422 set_tlv_db_scale(kctl, db_scale_4bit);
1423 snd_ac97_write_cache(
1426 (snd_ac97_read(ac97, AC97_PC_BEEP)
1427 | AC97_MUTE_MASK_MONO | 0x001e)
1431 /* build Phone controls */
1432 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1433 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1434 err = snd_ac97_cmix_new(card, "Phone Playback",
1435 AC97_PHONE, 1, ac97);
1441 /* build MIC controls */
1442 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1443 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1444 err = snd_ac97_cmix_new(card, "Mic Playback",
1448 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97));
1454 /* build Line controls */
1455 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1456 err = snd_ac97_cmix_new(card, "Line Playback",
1457 AC97_LINE, 1, ac97);
1462 /* build CD controls */
1463 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1464 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1465 err = snd_ac97_cmix_new(card, "CD Playback",
1472 /* build Video controls */
1473 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1474 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1475 err = snd_ac97_cmix_new(card, "Video Playback",
1476 AC97_VIDEO, 1, ac97);
1482 /* build Aux controls */
1483 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1484 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1485 err = snd_ac97_cmix_new(card, "Aux Playback",
1492 /* build PCM controls */
1493 if (ac97->flags & AC97_AD_MULTI) {
1494 unsigned short init_val;
1495 if (ac97->flags & AC97_STEREO_MUTES)
1499 for (idx = 0; idx < 2; idx++) {
1500 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97);
1501 err = snd_ctl_add(card, kctl);
1505 set_tlv_db_scale(kctl, db_scale_5bit);
1506 ac97->spec.ad18xx.pcmreg[0] = init_val;
1507 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1508 for (idx = 0; idx < 2; idx++) {
1509 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97);
1510 err = snd_ctl_add(card, kctl);
1514 set_tlv_db_scale(kctl, db_scale_5bit);
1515 ac97->spec.ad18xx.pcmreg[1] = init_val;
1517 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1518 for (idx = 0; idx < 2; idx++) {
1519 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97);
1520 err = snd_ctl_add(card, kctl);
1524 set_tlv_db_scale(kctl, db_scale_5bit);
1525 for (idx = 0; idx < 2; idx++) {
1526 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97);
1527 err = snd_ctl_add(card, kctl);
1531 set_tlv_db_scale(kctl, db_scale_5bit);
1532 ac97->spec.ad18xx.pcmreg[2] = init_val;
1534 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1536 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1537 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1538 err = snd_ac97_cmute_new(card,
1539 "PCM Playback Switch",
1542 err = snd_ac97_cmix_new(card, "PCM Playback",
1549 /* build Capture controls */
1550 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1551 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97));
1554 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1555 err = snd_ac97_cmute_new(card, "Capture Switch",
1556 AC97_REC_GAIN, 0, ac97);
1560 kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97);
1561 err = snd_ctl_add(card, kctl);
1564 set_tlv_db_scale(kctl, db_scale_rec_gain);
1565 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1566 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1568 /* build MIC Capture controls */
1569 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1570 for (idx = 0; idx < 2; idx++) {
1571 kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97);
1572 err = snd_ctl_add(card, kctl);
1576 set_tlv_db_scale(kctl, db_scale_rec_gain);
1577 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1580 /* build PCM out path & mute control */
1581 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1582 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97));
1587 /* build Simulated Stereo Enhancement control */
1588 if (ac97->caps & AC97_BC_SIM_STEREO) {
1589 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97));
1594 /* build 3D Stereo Enhancement control */
1595 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1596 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97));
1601 /* build Loudness control */
1602 if (ac97->caps & AC97_BC_LOUDNESS) {
1603 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97));
1608 /* build Mono output select control */
1609 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1610 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97));
1615 /* build Mic select control */
1616 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1617 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97));
1622 /* build ADC/DAC loopback control */
1623 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1624 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97));
1629 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1631 /* build 3D controls */
1632 if (ac97->build_ops->build_3d) {
1633 ac97->build_ops->build_3d(ac97);
1635 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1638 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1639 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1640 val = val == 0x0606;
1641 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97);
1642 err = snd_ctl_add(card, kctl);
1646 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1647 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97);
1648 err = snd_ctl_add(card, kctl);
1652 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1653 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1657 /* build S/PDIF controls */
1659 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1660 if (ac97->subsystem_vendor == 0x1043 &&
1661 ac97->subsystem_device == 0x810f)
1662 ac97->ext_id |= AC97_EI_SPDIF;
1664 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1665 if (ac97->build_ops->build_spdif) {
1666 err = ac97->build_ops->build_spdif(ac97);
1670 for (idx = 0; idx < 5; idx++) {
1671 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97));
1675 if (ac97->build_ops->build_post_spdif) {
1676 err = ac97->build_ops->build_post_spdif(ac97);
1680 /* set default PCM S/PDIF params */
1681 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1682 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1683 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1685 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1688 /* build chip specific controls */
1689 if (ac97->build_ops->build_specific) {
1690 err = ac97->build_ops->build_specific(ac97);
1695 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1696 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1699 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1700 set_inv_eapd(ac97, kctl);
1701 err = snd_ctl_add(card, kctl);
1709 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1714 ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n",
1715 snd_ac97_read(ac97,AC97_GPIO_CFG));
1717 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1718 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1719 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1720 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1721 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1723 /* build modem switches */
1724 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) {
1725 err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97));
1730 /* build chip specific controls */
1731 if (ac97->build_ops->build_specific) {
1732 err = ac97->build_ops->build_specific(ac97);
1740 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1745 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1746 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1748 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1749 val = snd_ac97_read(ac97, reg);
1750 return val == (tmp & 0xffff);
1753 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1755 unsigned int result = 0;
1756 unsigned short saved;
1758 if (ac97->bus->no_vra) {
1759 *r_result = SNDRV_PCM_RATE_48000;
1760 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1761 reg == AC97_PCM_FRONT_DAC_RATE)
1762 *r_result |= SNDRV_PCM_RATE_96000;
1766 saved = snd_ac97_read(ac97, reg);
1767 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1768 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1770 /* test a non-standard rate */
1771 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1772 result |= SNDRV_PCM_RATE_CONTINUOUS;
1773 /* let's try to obtain standard rates */
1774 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1775 result |= SNDRV_PCM_RATE_8000;
1776 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1777 result |= SNDRV_PCM_RATE_11025;
1778 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1779 result |= SNDRV_PCM_RATE_16000;
1780 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1781 result |= SNDRV_PCM_RATE_22050;
1782 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1783 result |= SNDRV_PCM_RATE_32000;
1784 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1785 result |= SNDRV_PCM_RATE_44100;
1786 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1787 result |= SNDRV_PCM_RATE_48000;
1788 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1789 reg == AC97_PCM_FRONT_DAC_RATE) {
1790 /* test standard double rates */
1791 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1792 AC97_EA_DRA, AC97_EA_DRA);
1793 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1794 result |= SNDRV_PCM_RATE_64000;
1795 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1796 result |= SNDRV_PCM_RATE_88200;
1797 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1798 result |= SNDRV_PCM_RATE_96000;
1799 /* some codecs don't support variable double rates */
1800 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1801 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1802 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1805 /* restore the default value */
1806 snd_ac97_write_cache(ac97, reg, saved);
1808 snd_ac97_write_cache(ac97, shadow_reg, saved);
1812 /* check AC97_SPDIF register to accept which sample rates */
1813 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1815 unsigned int result = 0;
1817 static const unsigned short ctl_bits[] = {
1818 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1820 static const unsigned int rate_bits[] = {
1821 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1824 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1825 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1826 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1827 result |= rate_bits[i];
1832 /* look for the codec id table matching with the given id */
1833 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1836 const struct ac97_codec_id *pid;
1838 for (pid = table; pid->id; pid++)
1839 if (pid->id == (id & pid->mask))
1844 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1846 const struct ac97_codec_id *pid;
1848 sprintf(name, "0x%x %c%c%c", id,
1849 printable(id >> 24),
1850 printable(id >> 16),
1851 printable(id >> 8));
1852 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1856 strcpy(name, pid->name);
1857 if (ac97 && pid->patch) {
1858 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1859 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1863 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1866 strcat(name, pid->name);
1867 if (pid->mask != 0xffffffff)
1868 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1869 if (ac97 && pid->patch) {
1870 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1871 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1875 sprintf(name + strlen(name), " id %x", id & 0xff);
1879 * snd_ac97_get_short_name - retrieve codec name
1880 * @ac97: the codec instance
1882 * Return: The short identifying name of the codec.
1884 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1886 const struct ac97_codec_id *pid;
1888 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1889 if (pid->id == (ac97->id & pid->mask))
1891 return "unknown codec";
1894 EXPORT_SYMBOL(snd_ac97_get_short_name);
1896 /* wait for a while until registers are accessible after RESET
1897 * return 0 if ok, negative not ready
1899 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1901 unsigned long end_time;
1904 end_time = jiffies + timeout;
1907 /* use preliminary reads to settle the communication */
1908 snd_ac97_read(ac97, AC97_RESET);
1909 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1910 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1913 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1914 if (val != 0xffff && (val & 1) != 0)
1917 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1918 /* probably only Xbox issue - all registers are read as zero */
1919 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1920 if (val != 0 && val != 0xffff)
1923 /* because the PCM or MASTER volume registers can be modified,
1924 * the REC_GAIN register is used for tests
1926 /* test if we can write to the record gain volume register */
1927 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1928 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1931 schedule_timeout_uninterruptible(1);
1932 } while (time_after_eq(end_time, jiffies));
1937 * snd_ac97_bus - create an AC97 bus component
1938 * @card: the card instance
1939 * @num: the bus number
1940 * @ops: the bus callbacks table
1941 * @private_data: private data pointer for the new instance
1942 * @rbus: the pointer to store the new AC97 bus instance.
1944 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1945 * allocated and initialized.
1947 * The ops table must include valid callbacks (at least read and
1948 * write). The other callbacks, wait and reset, are not mandatory.
1950 * The clock is set to 48000. If another clock is needed, set
1951 * ``(*rbus)->clock`` manually.
1953 * The AC97 bus instance is registered as a low-level device, so you don't
1954 * have to release it manually.
1956 * Return: Zero if successful, or a negative error code on failure.
1958 int snd_ac97_bus(struct snd_card *card, int num,
1959 const struct snd_ac97_bus_ops *ops,
1960 void *private_data, struct snd_ac97_bus **rbus)
1963 struct snd_ac97_bus *bus;
1964 static const struct snd_device_ops dev_ops = {
1965 .dev_free = snd_ac97_bus_dev_free,
1968 if (snd_BUG_ON(!card))
1970 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1976 bus->private_data = private_data;
1978 spin_lock_init(&bus->bus_lock);
1979 snd_ac97_bus_proc_init(bus);
1980 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
1982 snd_ac97_bus_free(bus);
1990 EXPORT_SYMBOL(snd_ac97_bus);
1992 /* stop no dev release warning */
1993 static void ac97_device_release(struct device * dev)
1997 /* register ac97 codec to bus */
1998 static int snd_ac97_dev_register(struct snd_device *device)
2000 struct snd_ac97 *ac97 = device->device_data;
2003 ac97->dev.bus = &ac97_bus_type;
2004 ac97->dev.parent = ac97->bus->card->dev;
2005 ac97->dev.release = ac97_device_release;
2006 dev_set_name(&ac97->dev, "%d-%d:%s",
2007 ac97->bus->card->number, ac97->num,
2008 snd_ac97_get_short_name(ac97));
2009 err = device_register(&ac97->dev);
2011 ac97_err(ac97, "Can't register ac97 bus\n");
2012 put_device(&ac97->dev);
2013 ac97->dev.bus = NULL;
2019 /* disconnect ac97 codec */
2020 static int snd_ac97_dev_disconnect(struct snd_device *device)
2022 struct snd_ac97 *ac97 = device->device_data;
2024 device_unregister(&ac97->dev);
2028 /* build_ops to do nothing */
2029 static const struct snd_ac97_build_ops null_build_ops;
2031 #ifdef CONFIG_SND_AC97_POWER_SAVE
2032 static void do_update_power(struct work_struct *work)
2035 container_of(work, struct snd_ac97, power_work.work));
2040 * snd_ac97_mixer - create an Codec97 component
2041 * @bus: the AC97 bus which codec is attached to
2042 * @template: the template of ac97, including index, callbacks and
2044 * @rac97: the pointer to store the new ac97 instance.
2046 * Creates an Codec97 component. An struct snd_ac97 instance is newly
2047 * allocated and initialized from the template. The codec
2048 * is then initialized by the standard procedure.
2050 * The template must include the codec number (num) and address (addr),
2051 * and the private data (private_data).
2053 * The ac97 instance is registered as a low-level device, so you don't
2054 * have to release it manually.
2056 * Return: Zero if successful, or a negative error code on failure.
2058 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
2061 struct snd_ac97 *ac97;
2062 struct snd_card *card;
2064 unsigned long end_time;
2066 const struct ac97_codec_id *pid;
2067 static const struct snd_device_ops ops = {
2068 .dev_free = snd_ac97_dev_free,
2069 .dev_register = snd_ac97_dev_register,
2070 .dev_disconnect = snd_ac97_dev_disconnect,
2073 if (snd_BUG_ON(!bus || !template || !rac97))
2076 if (snd_BUG_ON(template->num >= 4))
2078 if (bus->codec[template->num])
2082 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
2085 ac97->private_data = template->private_data;
2086 ac97->private_free = template->private_free;
2088 ac97->pci = template->pci;
2089 ac97->num = template->num;
2090 ac97->addr = template->addr;
2091 ac97->scaps = template->scaps;
2092 ac97->res_table = template->res_table;
2093 bus->codec[ac97->num] = ac97;
2094 mutex_init(&ac97->reg_mutex);
2095 mutex_init(&ac97->page_mutex);
2096 #ifdef CONFIG_SND_AC97_POWER_SAVE
2097 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
2102 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2103 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2106 if (bus->ops->reset) {
2107 bus->ops->reset(ac97);
2111 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2112 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2113 if (ac97->id && ac97->id != (unsigned int)-1) {
2114 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2115 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2119 /* reset to defaults */
2120 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2121 snd_ac97_write(ac97, AC97_RESET, 0);
2122 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2123 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2125 bus->ops->wait(ac97);
2128 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2129 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);
2131 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);
2133 err = ac97_reset_wait(ac97,
2134 msecs_to_jiffies(500), 1);
2137 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n",
2139 /* proceed anyway - it's often non-critical */
2143 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2144 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2145 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2146 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2148 "AC'97 %d access is not valid [0x%x], removing mixer.\n",
2149 ac97->num, ac97->id);
2150 snd_ac97_free(ac97);
2153 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2155 ac97->flags |= pid->flags;
2157 /* test for AC'97 */
2158 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2159 /* test if we can write to the record gain volume register */
2160 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2161 err = snd_ac97_read(ac97, AC97_REC_GAIN);
2162 if ((err & 0x7fff) == 0x0a06)
2163 ac97->scaps |= AC97_SCAP_AUDIO;
2165 if (ac97->scaps & AC97_SCAP_AUDIO) {
2166 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2167 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2168 if (ac97->ext_id == 0xffff) /* invalid combination */
2172 /* test for MC'97 */
2173 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2174 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2175 if (ac97->ext_mid == 0xffff) /* invalid combination */
2177 if (ac97->ext_mid & 1)
2178 ac97->scaps |= AC97_SCAP_MODEM;
2181 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2182 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2184 "AC'97 %d access error (not audio or modem codec)\n",
2186 snd_ac97_free(ac97);
2190 if (bus->ops->reset) // FIXME: always skipping?
2193 /* FIXME: add powerdown control */
2194 if (ac97_is_audio(ac97)) {
2195 /* nothing should be in powerdown mode */
2196 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2197 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2198 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2200 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2202 /* nothing should be in powerdown mode */
2203 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2204 end_time = jiffies + msecs_to_jiffies(5000);
2206 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2208 schedule_timeout_uninterruptible(1);
2209 } while (time_after_eq(end_time, jiffies));
2211 "AC'97 %d analog subsections not ready\n", ac97->num);
2214 /* FIXME: add powerdown control */
2215 if (ac97_is_modem(ac97)) {
2218 /* nothing should be in powerdown mode */
2219 /* note: it's important to set the rate at first */
2220 tmp = AC97_MEA_GPIO;
2221 if (ac97->ext_mid & AC97_MEI_LINE1) {
2222 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2223 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2225 if (ac97->ext_mid & AC97_MEI_LINE2) {
2226 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2227 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2229 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2230 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2231 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2233 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2235 /* nothing should be in powerdown mode */
2236 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2237 end_time = jiffies + msecs_to_jiffies(100);
2239 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2241 schedule_timeout_uninterruptible(1);
2242 } while (time_after_eq(end_time, jiffies));
2244 "MC'97 %d converters and GPIO not ready (0x%x)\n",
2246 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2250 if (ac97_is_audio(ac97))
2251 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2253 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2254 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2255 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2256 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2258 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2259 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2261 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2262 /* Intel controllers require double rate data to be put in
2263 * slots 7+8, so let's hope the codec supports it. */
2264 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2265 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2266 ac97->flags |= AC97_DOUBLE_RATE;
2267 /* restore to slots 10/11 to avoid the confliction with surrounds */
2268 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2270 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2271 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2272 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2274 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2275 if (ac97->flags & AC97_DOUBLE_RATE)
2276 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2277 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2279 if (ac97->ext_id & AC97_EI_SPDIF) {
2280 /* codec specific code (patch) should override these values */
2281 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2283 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2284 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2286 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2288 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2289 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2290 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2292 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2293 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2294 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2296 /* additional initializations */
2298 bus->ops->init(ac97);
2299 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2300 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2301 if (! ac97->build_ops)
2302 ac97->build_ops = &null_build_ops;
2304 if (ac97_is_audio(ac97)) {
2306 if (card->mixername[0] == '\0') {
2307 strcpy(card->mixername, name);
2309 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2310 strcat(card->mixername, ",");
2311 strcat(card->mixername, name);
2314 sprintf(comp, "AC97a:%08x", ac97->id);
2315 err = snd_component_add(card, comp);
2317 snd_ac97_free(ac97);
2320 if (snd_ac97_mixer_build(ac97) < 0) {
2321 snd_ac97_free(ac97);
2325 if (ac97_is_modem(ac97)) {
2327 if (card->mixername[0] == '\0') {
2328 strcpy(card->mixername, name);
2330 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2331 strcat(card->mixername, ",");
2332 strcat(card->mixername, name);
2335 sprintf(comp, "AC97m:%08x", ac97->id);
2336 err = snd_component_add(card, comp);
2338 snd_ac97_free(ac97);
2341 if (snd_ac97_modem_build(card, ac97) < 0) {
2342 snd_ac97_free(ac97);
2346 if (ac97_is_audio(ac97))
2347 update_power_regs(ac97);
2348 snd_ac97_proc_init(ac97);
2349 err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops);
2351 snd_ac97_free(ac97);
2358 EXPORT_SYMBOL(snd_ac97_mixer);
2361 * Power down the chip.
2363 * MASTER and HEADPHONE registers are muted but the register cache values
2364 * are not changed, so that the values can be restored in snd_ac97_resume().
2366 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2368 unsigned short power;
2370 if (ac97_is_audio(ac97)) {
2371 /* some codecs have stereo mute bits */
2372 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2373 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2376 /* surround, CLFE, mic powerdown */
2377 power = ac97->regs[AC97_EXTENDED_STATUS];
2378 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2379 power |= AC97_EA_PRJ;
2380 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2381 power |= AC97_EA_PRI | AC97_EA_PRK;
2382 power |= AC97_EA_PRL;
2383 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2385 /* powerdown external amplifier */
2386 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2387 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2388 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2389 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2390 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2391 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
2392 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2394 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */
2395 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2396 if (ac97_is_power_save_mode(ac97)) {
2397 power |= AC97_PD_PR3; /* Analog Mixer powerdown */
2398 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2400 /* AC-link powerdown, internal Clk disable */
2401 /* FIXME: this may cause click noises on some boards */
2402 power |= AC97_PD_PR4 | AC97_PD_PR5;
2403 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2408 struct ac97_power_reg {
2410 unsigned short power_reg;
2411 unsigned short mask;
2414 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2416 static const struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2417 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2418 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2419 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2420 AC97_EA_PRI | AC97_EA_PRK},
2421 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2423 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2427 #ifdef CONFIG_SND_AC97_POWER_SAVE
2429 * snd_ac97_update_power - update the powerdown register
2430 * @ac97: the codec instance
2431 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2432 * @powerup: non-zero when power up the part
2434 * Update the AC97 powerdown register bits of the given part.
2438 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2446 /* SPDIF requires DAC power, too */
2447 if (reg == AC97_SPDIF)
2448 reg = AC97_PCM_FRONT_DAC_RATE;
2449 for (i = 0; i < PWIDX_SIZE; i++) {
2450 if (power_regs[i].reg == reg) {
2452 ac97->power_up |= (1 << i);
2454 ac97->power_up &= ~(1 << i);
2460 if (ac97_is_power_save_mode(ac97) && !powerup)
2461 /* adjust power-down bits after two seconds delay
2462 * (for avoiding loud click noises for many (OSS) apps
2463 * that open/close frequently)
2465 schedule_delayed_work(&ac97->power_work,
2466 msecs_to_jiffies(power_save * 1000));
2468 cancel_delayed_work(&ac97->power_work);
2469 update_power_regs(ac97);
2475 EXPORT_SYMBOL(snd_ac97_update_power);
2476 #endif /* CONFIG_SND_AC97_POWER_SAVE */
2478 static void update_power_regs(struct snd_ac97 *ac97)
2480 unsigned int power_up, bits;
2483 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2484 power_up |= (1 << PWIDX_MIC);
2485 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2486 power_up |= (1 << PWIDX_SURR);
2487 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2488 power_up |= (1 << PWIDX_CLFE);
2489 #ifdef CONFIG_SND_AC97_POWER_SAVE
2490 if (ac97_is_power_save_mode(ac97))
2491 power_up = ac97->power_up;
2494 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2495 /* needs power-up analog mix and vref */
2496 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2499 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2503 for (i = 0; i < PWIDX_SIZE; i++) {
2504 if (power_up & (1 << i))
2507 bits = power_regs[i].mask;
2508 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2509 power_regs[i].mask, bits);
2512 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2513 /* power down analog mix and vref */
2514 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2515 AC97_PD_PR2, AC97_PD_PR2);
2516 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2517 AC97_PD_PR3, AC97_PD_PR3);
2525 * snd_ac97_suspend - General suspend function for AC97 codec
2526 * @ac97: the ac97 instance
2528 * Suspends the codec, power down the chip.
2530 void snd_ac97_suspend(struct snd_ac97 *ac97)
2534 if (ac97->build_ops->suspend)
2535 ac97->build_ops->suspend(ac97);
2536 #ifdef CONFIG_SND_AC97_POWER_SAVE
2537 cancel_delayed_work_sync(&ac97->power_work);
2539 snd_ac97_powerdown(ac97);
2542 EXPORT_SYMBOL(snd_ac97_suspend);
2545 * restore ac97 status
2547 static void snd_ac97_restore_status(struct snd_ac97 *ac97)
2551 for (i = 2; i < 0x7c ; i += 2) {
2552 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2554 /* restore only accessible registers
2555 * some chip (e.g. nm256) may hang up when unsupported registers
2558 if (test_bit(i, ac97->reg_accessed)) {
2559 snd_ac97_write(ac97, i, ac97->regs[i]);
2560 snd_ac97_read(ac97, i);
2566 * restore IEC958 status
2568 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2570 if (ac97->ext_id & AC97_EI_SPDIF) {
2571 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2572 /* reset spdif status */
2573 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2574 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2575 if (ac97->flags & AC97_CS_SPDIF)
2576 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2578 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2579 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2585 * snd_ac97_resume - General resume function for AC97 codec
2586 * @ac97: the ac97 instance
2588 * Do the standard resume procedure, power up and restoring the
2589 * old register values.
2591 void snd_ac97_resume(struct snd_ac97 *ac97)
2593 unsigned long end_time;
2598 if (ac97->bus->ops->reset) {
2599 ac97->bus->ops->reset(ac97);
2603 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2604 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2605 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2606 snd_ac97_write(ac97, AC97_RESET, 0);
2607 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2608 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2610 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2612 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2614 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2615 if (ac97_is_audio(ac97)) {
2616 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2617 end_time = jiffies + msecs_to_jiffies(100);
2619 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2621 schedule_timeout_uninterruptible(1);
2622 } while (time_after_eq(end_time, jiffies));
2623 /* FIXME: extra delay */
2624 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO);
2625 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO)
2628 end_time = jiffies + msecs_to_jiffies(100);
2630 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2631 if (val != 0xffff && (val & 1) != 0)
2633 schedule_timeout_uninterruptible(1);
2634 } while (time_after_eq(end_time, jiffies));
2638 if (ac97->bus->ops->init)
2639 ac97->bus->ops->init(ac97);
2641 if (ac97->build_ops->resume)
2642 ac97->build_ops->resume(ac97);
2644 snd_ac97_restore_status(ac97);
2645 snd_ac97_restore_iec958(ac97);
2649 EXPORT_SYMBOL(snd_ac97_resume);
2656 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2659 sprintf(dst, "%s %s", src, suffix);
2664 /* remove the control with the given name and optional suffix */
2665 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
2668 struct snd_ctl_elem_id id;
2669 memset(&id, 0, sizeof(id));
2670 set_ctl_name(id.name, name, suffix);
2671 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2672 return snd_ctl_remove_id(ac97->bus->card, &id);
2675 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2677 struct snd_ctl_elem_id sid;
2678 memset(&sid, 0, sizeof(sid));
2679 set_ctl_name(sid.name, name, suffix);
2680 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2681 return snd_ctl_find_id(ac97->bus->card, &sid);
2684 /* rename the control with the given name and optional suffix */
2685 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
2686 const char *dst, const char *suffix)
2688 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2690 set_ctl_name(kctl->id.name, dst, suffix);
2696 /* rename both Volume and Switch controls - don't check the return value */
2697 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
2700 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2701 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2705 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
2706 const char *s2, const char *suffix)
2708 struct snd_kcontrol *kctl1, *kctl2;
2709 kctl1 = ctl_find(ac97, s1, suffix);
2710 kctl2 = ctl_find(ac97, s2, suffix);
2711 if (kctl1 && kctl2) {
2712 set_ctl_name(kctl1->id.name, s2, suffix);
2713 set_ctl_name(kctl2->id.name, s1, suffix);
2720 /* bind hp and master controls instead of using only hp control */
2721 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2723 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2725 unsigned long priv_saved = kcontrol->private_value;
2726 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2727 snd_ac97_put_volsw(kcontrol, ucontrol);
2728 kcontrol->private_value = priv_saved;
2733 /* ac97 tune: bind Master and Headphone controls */
2734 static int tune_hp_only(struct snd_ac97 *ac97)
2736 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2737 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2738 if (! msw || ! mvol)
2740 msw->put = bind_hp_volsw_put;
2741 mvol->put = bind_hp_volsw_put;
2742 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2743 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2748 /* ac97 tune: use Headphone control as master */
2749 static int tune_hp_only(struct snd_ac97 *ac97)
2751 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2753 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2754 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2755 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2760 /* ac97 tune: swap Headphone and Master controls */
2761 static int tune_swap_hp(struct snd_ac97 *ac97)
2763 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2765 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2766 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2770 /* ac97 tune: swap Surround and Master controls */
2771 static int tune_swap_surround(struct snd_ac97 *ac97)
2773 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2774 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2779 /* ac97 tune: set up mic sharing for AD codecs */
2780 static int tune_ad_sharing(struct snd_ac97 *ac97)
2782 unsigned short scfg;
2783 if ((ac97->id & 0xffffff00) != 0x41445300) {
2784 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n");
2787 /* Turn on OMS bit to route microphone to back panel */
2788 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2789 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2793 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2794 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2796 /* ac97 tune: set up ALC jack-select */
2797 static int tune_alc_jack(struct snd_ac97 *ac97)
2799 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2801 "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2804 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2805 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2806 if (ac97->id == AC97_ID_ALC658D)
2807 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2808 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2811 /* ac97 tune: inversed EAPD bit */
2812 static int tune_inv_eapd(struct snd_ac97 *ac97)
2814 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2817 set_inv_eapd(ac97, kctl);
2821 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2823 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2825 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2826 int shift = (kcontrol->private_value >> 8) & 0x0f;
2827 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2828 unsigned short mask;
2829 if (shift != rshift)
2830 mask = AC97_MUTE_MASK_STEREO;
2832 mask = AC97_MUTE_MASK_MONO;
2833 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2834 (ac97->regs[AC97_MASTER] & mask) == mask ?
2840 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2841 static int tune_mute_led(struct snd_ac97 *ac97)
2843 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2846 msw->put = master_mute_sw_put;
2847 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2848 snd_ac97_update_bits(
2849 ac97, AC97_POWERDOWN,
2850 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2852 ac97->scaps |= AC97_SCAP_EAPD_LED;
2856 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2857 struct snd_ctl_elem_value *ucontrol)
2859 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2861 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2862 int shift = (kcontrol->private_value >> 8) & 0x0f;
2863 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2864 unsigned short mask;
2865 if (shift != rshift)
2866 mask = AC97_MUTE_MASK_STEREO;
2868 mask = AC97_MUTE_MASK_MONO;
2869 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2870 (ac97->regs[AC97_MASTER] & mask) == mask ?
2876 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2878 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2879 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2880 if (! msw || ! mvol)
2882 msw->put = hp_master_mute_sw_put;
2883 mvol->put = bind_hp_volsw_put;
2884 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2885 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2886 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2887 snd_ac97_update_bits(
2888 ac97, AC97_POWERDOWN,
2889 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2894 struct quirk_table {
2896 int (*func)(struct snd_ac97 *);
2899 static const struct quirk_table applicable_quirks[] = {
2901 { "hp_only", tune_hp_only },
2902 { "swap_hp", tune_swap_hp },
2903 { "swap_surround", tune_swap_surround },
2904 { "ad_sharing", tune_ad_sharing },
2905 { "alc_jack", tune_alc_jack },
2906 { "inv_eapd", tune_inv_eapd },
2907 { "mute_led", tune_mute_led },
2908 { "hp_mute_led", tune_hp_mute_led },
2911 /* apply the quirk with the given type */
2912 static int apply_quirk(struct snd_ac97 *ac97, int type)
2916 else if (type >= ARRAY_SIZE(applicable_quirks))
2918 if (applicable_quirks[type].func)
2919 return applicable_quirks[type].func(ac97);
2923 /* apply the quirk with the given name */
2924 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2927 const struct quirk_table *q;
2929 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2930 q = &applicable_quirks[i];
2931 if (q->name && ! strcmp(typestr, q->name))
2932 return apply_quirk(ac97, i);
2934 /* for compatibility, accept the numbers, too */
2935 if (*typestr >= '0' && *typestr <= '9')
2936 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2941 * snd_ac97_tune_hardware - tune up the hardware
2942 * @ac97: the ac97 instance
2943 * @quirk: quirk list
2944 * @override: explicit quirk value (overrides the list if non-NULL)
2946 * Do some workaround for each pci device, such as renaming of the
2947 * headphone (true line-out) control as "Master".
2948 * The quirk-list must be terminated with a zero-filled entry.
2950 * Return: Zero if successful, or a negative error code on failure.
2953 int snd_ac97_tune_hardware(struct snd_ac97 *ac97,
2954 const struct ac97_quirk *quirk, const char *override)
2958 /* quirk overriden? */
2959 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2960 result = apply_quirk_str(ac97, override);
2962 ac97_err(ac97, "applying quirk type %s failed (%d)\n",
2970 for (; quirk->subvendor; quirk++) {
2971 if (quirk->subvendor != ac97->subsystem_vendor)
2973 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2974 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2975 if (quirk->codec_id && quirk->codec_id != ac97->id)
2977 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n",
2978 quirk->name, ac97->subsystem_vendor,
2979 ac97->subsystem_device);
2980 result = apply_quirk(ac97, quirk->type);
2983 "applying quirk type %d for %s failed (%d)\n",
2984 quirk->type, quirk->name, result);
2991 EXPORT_SYMBOL(snd_ac97_tune_hardware);