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/ac97_codec.h>
35 #include <sound/asoundef.h>
36 #include <sound/initval.h>
37 #include "ac97_local.h"
39 #include "ac97_patch.h"
41 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
42 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
43 MODULE_LICENSE("GPL");
45 static int enable_loopback;
47 module_param(enable_loopback, bool, 0444);
48 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
54 struct ac97_codec_id {
58 int (*patch)(struct snd_ac97 *ac97);
59 int (*mpatch)(struct snd_ac97 *ac97);
63 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
64 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
65 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
66 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
67 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
68 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
69 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
70 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
71 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
72 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
73 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
74 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
75 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
76 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
77 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
78 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
79 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
80 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
81 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
82 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
83 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
84 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
85 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
86 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
87 { 0, 0, NULL, NULL, NULL }
90 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
91 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
92 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
93 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
94 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
95 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
96 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
97 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
98 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
99 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
100 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
101 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
102 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
103 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
104 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
105 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
106 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
107 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
108 { 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL },
109 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
110 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
111 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
112 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
113 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
114 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
115 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
116 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
117 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
118 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
119 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
120 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
121 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
122 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
123 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
124 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
125 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
126 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
127 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
128 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
129 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
130 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
131 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
132 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
133 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
134 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
135 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
136 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
137 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
138 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
139 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
140 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
141 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
142 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
143 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
144 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
145 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
146 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
147 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
148 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
149 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
150 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
151 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
152 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
153 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
154 { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
155 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
156 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
157 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
158 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
159 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
160 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
161 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
162 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
163 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
164 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
165 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
166 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
167 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
168 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
169 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
170 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
171 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
172 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
173 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
174 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
175 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
176 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
177 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
178 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
179 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
180 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
181 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
182 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
183 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
184 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
185 { 0, 0, NULL, NULL, NULL }
193 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
195 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
198 /* filter some registers for buggy codecs */
202 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
205 case AC97_ID_AD1819: /* AD1819 */
206 case AC97_ID_AD1881: /* AD1881 */
207 case AC97_ID_AD1881A: /* AD1881A */
208 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
211 case AC97_ID_AD1885: /* AD1885 */
212 case AC97_ID_AD1886: /* AD1886 */
213 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
214 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
217 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
220 case AC97_ID_STAC9700:
221 case AC97_ID_STAC9704:
222 case AC97_ID_STAC9705:
223 case AC97_ID_STAC9708:
224 case AC97_ID_STAC9721:
225 case AC97_ID_STAC9744:
226 case AC97_ID_STAC9756:
227 if (reg <= 0x3a || reg >= 0x5a)
235 * snd_ac97_write - write a value on the given register
236 * @ac97: the ac97 instance
237 * @reg: the register to change
238 * @value: the value to set
240 * Writes a value on the given register. This will invoke the write
241 * callback directly after the register check.
242 * This function doesn't change the register cache unlike
243 * #snd_ca97_write_cache(), so use this only when you don't want to
244 * reflect the change to the suspend/resume state.
246 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
248 if (!snd_ac97_valid_reg(ac97, reg))
250 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
251 /* Fix H/W bug of ALC100/100P */
252 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
253 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
255 ac97->bus->ops->write(ac97, reg, value);
259 * snd_ac97_read - read a value from the given register
261 * @ac97: the ac97 instance
262 * @reg: the register to read
264 * Reads a value from the given register. This will invoke the read
265 * callback directly after the register check.
267 * Returns the read value.
269 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
271 if (!snd_ac97_valid_reg(ac97, reg))
273 return ac97->bus->ops->read(ac97, reg);
276 /* read a register - return the cached value if already read */
277 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
279 if (! test_bit(reg, ac97->reg_accessed)) {
280 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
281 // set_bit(reg, ac97->reg_accessed);
283 return ac97->regs[reg];
287 * snd_ac97_write_cache - write a value on the given register and update the cache
288 * @ac97: the ac97 instance
289 * @reg: the register to change
290 * @value: the value to set
292 * Writes a value on the given register and updates the register
293 * cache. The cached values are used for the cached-read and the
296 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
298 if (!snd_ac97_valid_reg(ac97, reg))
300 mutex_lock(&ac97->reg_mutex);
301 ac97->regs[reg] = value;
302 ac97->bus->ops->write(ac97, reg, value);
303 set_bit(reg, ac97->reg_accessed);
304 mutex_unlock(&ac97->reg_mutex);
308 * snd_ac97_update - update the value on the given register
309 * @ac97: the ac97 instance
310 * @reg: the register to change
311 * @value: the value to set
313 * Compares the value with the register cache and updates the value
314 * only when the value is changed.
316 * Returns 1 if the value is changed, 0 if no change, or a negative
319 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
323 if (!snd_ac97_valid_reg(ac97, reg))
325 mutex_lock(&ac97->reg_mutex);
326 change = ac97->regs[reg] != value;
328 ac97->regs[reg] = value;
329 ac97->bus->ops->write(ac97, reg, value);
331 set_bit(reg, ac97->reg_accessed);
332 mutex_unlock(&ac97->reg_mutex);
337 * snd_ac97_update_bits - update the bits on the given register
338 * @ac97: the ac97 instance
339 * @reg: the register to change
340 * @mask: the bit-mask to change
341 * @value: the value to set
343 * Updates the masked-bits on the given register only when the value
346 * Returns 1 if the bits are changed, 0 if no change, or a negative
349 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
353 if (!snd_ac97_valid_reg(ac97, reg))
355 mutex_lock(&ac97->reg_mutex);
356 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
357 mutex_unlock(&ac97->reg_mutex);
361 /* no lock version - see snd_ac97_updat_bits() */
362 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
363 unsigned short mask, unsigned short value)
366 unsigned short old, new;
368 old = snd_ac97_read_cache(ac97, reg);
369 new = (old & ~mask) | value;
372 ac97->regs[reg] = new;
373 ac97->bus->ops->write(ac97, reg, new);
375 set_bit(reg, ac97->reg_accessed);
379 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
382 unsigned short old, new, cfg;
384 mutex_lock(&ac97->page_mutex);
385 old = ac97->spec.ad18xx.pcmreg[codec];
386 new = (old & ~mask) | value;
389 mutex_lock(&ac97->reg_mutex);
390 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
391 ac97->spec.ad18xx.pcmreg[codec] = new;
392 /* select single codec */
393 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
395 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
396 /* update PCM bits */
397 ac97->bus->ops->write(ac97, AC97_PCM, new);
398 /* select all codecs */
399 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
401 mutex_unlock(&ac97->reg_mutex);
403 mutex_unlock(&ac97->page_mutex);
411 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
413 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
415 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
416 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
417 uinfo->value.enumerated.items = e->mask;
419 if (uinfo->value.enumerated.item > e->mask - 1)
420 uinfo->value.enumerated.item = e->mask - 1;
421 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
425 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
427 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
428 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
429 unsigned short val, bitmask;
431 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
433 val = snd_ac97_read_cache(ac97, e->reg);
434 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
435 if (e->shift_l != e->shift_r)
436 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
441 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
443 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
444 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
446 unsigned short mask, bitmask;
448 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
450 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
452 val = ucontrol->value.enumerated.item[0] << e->shift_l;
453 mask = (bitmask - 1) << e->shift_l;
454 if (e->shift_l != e->shift_r) {
455 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
457 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
458 mask |= (bitmask - 1) << e->shift_r;
460 return snd_ac97_update_bits(ac97, e->reg, mask, val);
463 /* save/restore ac97 v2.3 paging */
464 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
467 if ((kcontrol->private_value & (1<<25)) &&
468 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
469 (reg >= 0x60 && reg < 0x70)) {
470 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
471 mutex_lock(&ac97->page_mutex); /* lock paging */
472 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
473 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
478 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
480 if (page_save >= 0) {
481 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
482 mutex_unlock(&ac97->page_mutex); /* unlock paging */
486 /* volume and switch controls */
487 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
489 int mask = (kcontrol->private_value >> 16) & 0xff;
490 int shift = (kcontrol->private_value >> 8) & 0x0f;
491 int rshift = (kcontrol->private_value >> 12) & 0x0f;
493 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
494 uinfo->count = shift == rshift ? 1 : 2;
495 uinfo->value.integer.min = 0;
496 uinfo->value.integer.max = mask;
500 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
502 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
503 int reg = kcontrol->private_value & 0xff;
504 int shift = (kcontrol->private_value >> 8) & 0x0f;
505 int rshift = (kcontrol->private_value >> 12) & 0x0f;
506 int mask = (kcontrol->private_value >> 16) & 0xff;
507 int invert = (kcontrol->private_value >> 24) & 0x01;
510 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
511 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
513 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
515 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
517 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
519 snd_ac97_page_restore(ac97, page_save);
523 int snd_ac97_put_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;
532 unsigned short val, val2, val_mask;
534 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
535 val = (ucontrol->value.integer.value[0] & mask);
538 val_mask = mask << shift;
540 if (shift != rshift) {
541 val2 = (ucontrol->value.integer.value[1] & mask);
544 val_mask |= mask << rshift;
545 val |= val2 << rshift;
547 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
548 snd_ac97_page_restore(ac97, page_save);
552 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
553 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
554 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
557 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
558 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
559 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
562 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
563 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
564 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
567 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
568 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
571 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
572 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
573 static const char* std_mix[] = {"Mix", "Mic"};
574 static const char* std_mic[] = {"Mic1", "Mic2"};
576 static const struct ac97_enum std_enum[] = {
577 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
578 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
579 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
580 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
583 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
584 AC97_ENUM("Capture Source", std_enum[0]);
586 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
587 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
589 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
590 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
591 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
595 AC97_GENERAL_PCM_OUT = 0,
596 AC97_GENERAL_STEREO_ENHANCEMENT,
598 AC97_GENERAL_LOUDNESS,
601 AC97_GENERAL_LOOPBACK
604 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
605 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
606 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
607 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
608 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
609 AC97_ENUM("Mono Output Select", std_enum[2]),
610 AC97_ENUM("Mic Select", std_enum[3]),
611 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
614 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
615 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
616 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
619 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
620 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
621 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
624 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
625 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
626 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
629 static const struct snd_kcontrol_new snd_ac97_control_eapd =
630 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
632 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
633 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
634 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
637 /* change the existing EAPD control as inverted */
638 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
640 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
641 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
642 ac97->scaps |= AC97_SCAP_INV_EAPD;
645 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
647 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
652 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
654 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
655 IEC958_AES0_NONAUDIO |
656 IEC958_AES0_CON_EMPHASIS_5015 |
657 IEC958_AES0_CON_NOT_COPYRIGHT;
658 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
659 IEC958_AES1_CON_ORIGINAL;
660 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
664 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
666 /* FIXME: AC'97 spec doesn't say which bits are used for what */
667 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
668 IEC958_AES0_NONAUDIO |
670 IEC958_AES0_PRO_EMPHASIS_5015;
674 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
676 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
678 mutex_lock(&ac97->reg_mutex);
679 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
680 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
681 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
682 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
683 mutex_unlock(&ac97->reg_mutex);
687 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
689 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
690 unsigned int new = 0;
691 unsigned short val = 0;
694 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
695 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
696 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
697 switch (new & IEC958_AES0_PRO_FS) {
698 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
699 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
700 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
701 default: val |= 1<<12; break;
703 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
706 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
707 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
708 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
709 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
711 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
713 val |= ((new >> 8) & 0xff) << 4; // category + original
714 switch ((new >> 24) & 0xff) {
715 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
716 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
717 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
718 default: val |= 1<<12; break;
722 mutex_lock(&ac97->reg_mutex);
723 change = ac97->spdif_status != new;
724 ac97->spdif_status = new;
726 if (ac97->flags & AC97_CS_SPDIF) {
727 int x = (val >> 12) & 0x03;
729 case 0: x = 1; break; // 44.1
730 case 2: x = 0; break; // 48.0
731 default: x = 0; break; // illegal.
733 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
734 } else if (ac97->flags & AC97_CX_SPDIF) {
736 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
737 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
738 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
739 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
742 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
743 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
745 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
746 if (extst & AC97_EA_SPDIF) {
747 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
750 mutex_unlock(&ac97->reg_mutex);
755 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
757 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
758 int reg = kcontrol->private_value & 0xff;
759 int shift = (kcontrol->private_value >> 8) & 0xff;
760 int mask = (kcontrol->private_value >> 16) & 0xff;
761 // int invert = (kcontrol->private_value >> 24) & 0xff;
762 unsigned short value, old, new;
765 value = (ucontrol->value.integer.value[0] & mask);
767 mutex_lock(&ac97->reg_mutex);
770 old = snd_ac97_read_cache(ac97, reg);
771 new = (old & ~mask) | value;
775 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
776 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
777 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
778 if (extst & AC97_EA_SPDIF)
779 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
781 mutex_unlock(&ac97->reg_mutex);
785 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
787 .access = SNDRV_CTL_ELEM_ACCESS_READ,
788 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
789 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
790 .info = snd_ac97_spdif_mask_info,
791 .get = snd_ac97_spdif_cmask_get,
794 .access = SNDRV_CTL_ELEM_ACCESS_READ,
795 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
796 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
797 .info = snd_ac97_spdif_mask_info,
798 .get = snd_ac97_spdif_pmask_get,
801 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
802 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
803 .info = snd_ac97_spdif_mask_info,
804 .get = snd_ac97_spdif_default_get,
805 .put = snd_ac97_spdif_default_put,
808 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
810 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
811 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
812 .info = snd_ac97_info_volsw,
813 .get = snd_ac97_get_volsw,
814 .put = snd_ac97_put_spsa,
815 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
819 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
820 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
821 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
822 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
824 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
826 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
827 int mask = (kcontrol->private_value >> 16) & 0x0f;
828 int lshift = (kcontrol->private_value >> 8) & 0x0f;
829 int rshift = (kcontrol->private_value >> 12) & 0x0f;
831 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
832 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
836 uinfo->value.integer.min = 0;
837 uinfo->value.integer.max = mask;
841 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
843 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
844 int codec = kcontrol->private_value & 3;
845 int lshift = (kcontrol->private_value >> 8) & 0x0f;
846 int rshift = (kcontrol->private_value >> 12) & 0x0f;
847 int mask = (kcontrol->private_value >> 16) & 0xff;
849 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
850 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
851 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
855 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
857 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
858 int codec = kcontrol->private_value & 3;
859 int lshift = (kcontrol->private_value >> 8) & 0x0f;
860 int rshift = (kcontrol->private_value >> 12) & 0x0f;
861 int mask = (kcontrol->private_value >> 16) & 0xff;
862 unsigned short val, valmask;
864 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
865 valmask = mask << lshift;
866 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
867 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
868 valmask |= mask << rshift;
870 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
873 #define AD18XX_PCM_VOLUME(xname, codec) \
874 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
875 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
876 .private_value = codec }
878 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
880 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
882 uinfo->value.integer.min = 0;
883 uinfo->value.integer.max = 31;
887 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
889 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
890 int codec = kcontrol->private_value & 3;
892 mutex_lock(&ac97->page_mutex);
893 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
894 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
895 mutex_unlock(&ac97->page_mutex);
899 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
901 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
902 int codec = kcontrol->private_value & 3;
903 unsigned short val1, val2;
905 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
906 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
907 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
910 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
911 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
912 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
915 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
916 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
917 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
920 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
921 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
922 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
925 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
926 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
927 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
934 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
936 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
939 snd_ac97_bus_proc_done(bus);
941 if (bus->private_free)
942 bus->private_free(bus);
948 static int snd_ac97_bus_dev_free(struct snd_device *device)
950 struct snd_ac97_bus *bus = device->device_data;
951 return snd_ac97_bus_free(bus);
954 static int snd_ac97_free(struct snd_ac97 *ac97)
957 snd_ac97_proc_done(ac97);
959 ac97->bus->codec[ac97->num] = NULL;
960 if (ac97->private_free)
961 ac97->private_free(ac97);
967 static int snd_ac97_dev_free(struct snd_device *device)
969 struct snd_ac97 *ac97 = device->device_data;
970 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
971 return snd_ac97_free(ac97);
974 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
976 unsigned short val, mask = 0x8000;
978 if (! snd_ac97_valid_reg(ac97, reg))
982 case AC97_MASTER_TONE:
983 return ac97->caps & 0x04 ? 1 : 0;
985 return ac97->caps & 0x10 ? 1 : 0;
986 case AC97_REC_GAIN_MIC:
987 return ac97->caps & 0x01 ? 1 : 0;
988 case AC97_3D_CONTROL:
989 if (ac97->caps & 0x7c00) {
990 val = snd_ac97_read(ac97, reg);
991 /* if nonzero - fixed and we can't set it */
995 case AC97_CENTER_LFE_MASTER: /* center */
996 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
999 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1000 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1002 reg = AC97_CENTER_LFE_MASTER;
1005 case AC97_SURROUND_MASTER:
1006 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1011 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1012 return 1; /* allow without check */
1014 val = snd_ac97_read(ac97, reg);
1015 if (!(val & mask)) {
1016 /* nothing seems to be here - mute flag is not set */
1017 /* try another test */
1018 snd_ac97_write_cache(ac97, reg, val | mask);
1019 val = snd_ac97_read(ac97, reg);
1020 val = snd_ac97_read(ac97, reg);
1022 return 0; /* nothing here */
1024 return 1; /* success, useable */
1027 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1029 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1030 unsigned char max[3] = { 63, 31, 15 };
1033 /* first look up the static resolution table */
1034 if (ac97->res_table) {
1035 const struct snd_ac97_res_table *tbl;
1036 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1037 if (tbl->reg == reg) {
1038 *lo_max = tbl->bits & 0xff;
1039 *hi_max = (tbl->bits >> 8) & 0xff;
1045 *lo_max = *hi_max = 0;
1046 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1048 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1049 /* Do the read twice due to buffers on some ac97 codecs.
1050 * e.g. The STAC9704 returns exactly what you wrote the the register
1051 * if you read it immediately. This causes the detect routine to fail.
1053 val = snd_ac97_read(ac97, reg);
1054 val = snd_ac97_read(ac97, reg);
1055 if (! *lo_max && (val & 0x7f) == cbit[i])
1057 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1059 if (*lo_max && *hi_max)
1064 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1066 unsigned short mask, val, orig, res;
1069 orig = snd_ac97_read(ac97, reg);
1071 snd_ac97_write(ac97, reg, val);
1072 res = snd_ac97_read(ac97, reg);
1073 snd_ac97_write_cache(ac97, reg, orig);
1077 /* check the volume resolution of center/lfe */
1078 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1080 unsigned short val, val1;
1083 val = 0x8080 | (0x20 << shift);
1084 snd_ac97_write(ac97, reg, val);
1085 val1 = snd_ac97_read(ac97, reg);
1089 /* reset volume to zero */
1090 snd_ac97_write_cache(ac97, reg, 0x8080);
1093 static inline int printable(unsigned int x)
1096 if (x < ' ' || x >= 0x71) {
1098 return x - 0x71 + 'A';
1104 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1106 struct snd_kcontrol_new template;
1107 memcpy(&template, _template, sizeof(template));
1108 template.index = ac97->num;
1109 return snd_ctl_new1(&template, ac97);
1113 * create mute switch(es) for normal stereo controls
1115 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, int check_stereo, struct snd_ac97 *ac97)
1117 struct snd_kcontrol *kctl;
1119 unsigned short val, val1, mute_mask;
1121 if (! snd_ac97_valid_reg(ac97, reg))
1125 val = snd_ac97_read(ac97, reg);
1126 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1127 /* check whether both mute bits work */
1128 val1 = val | 0x8080;
1129 snd_ac97_write(ac97, reg, val1);
1130 if (val1 == snd_ac97_read(ac97, reg))
1133 if (mute_mask == 0x8080) {
1134 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1135 tmp.index = ac97->num;
1136 kctl = snd_ctl_new1(&tmp, ac97);
1138 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1139 tmp.index = ac97->num;
1140 kctl = snd_ctl_new1(&tmp, ac97);
1142 err = snd_ctl_add(card, kctl);
1145 /* mute as default */
1146 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1151 * create a volume for normal stereo/mono controls
1153 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1154 unsigned int hi_max, struct snd_ac97 *ac97)
1157 struct snd_kcontrol *kctl;
1159 if (! snd_ac97_valid_reg(ac97, reg))
1163 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1164 tmp.index = ac97->num;
1165 kctl = snd_ctl_new1(&tmp, ac97);
1168 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1169 tmp.index = ac97->num;
1170 kctl = snd_ctl_new1(&tmp, ac97);
1172 err = snd_ctl_add(card, kctl);
1175 snd_ac97_write_cache(ac97, reg,
1176 (snd_ac97_read(ac97, reg) & 0x8080) |
1177 lo_max | (hi_max << 8));
1182 * create a mute-switch and a volume for normal stereo/mono controls
1184 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, int reg, int check_stereo, struct snd_ac97 *ac97)
1188 unsigned char lo_max, hi_max;
1190 if (! snd_ac97_valid_reg(ac97, reg))
1193 if (snd_ac97_try_bit(ac97, reg, 15)) {
1194 sprintf(name, "%s Switch", pfx);
1195 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1198 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1200 sprintf(name, "%s Volume", pfx);
1201 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1207 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1208 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1210 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1212 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1214 struct snd_card *card = ac97->bus->card;
1215 struct snd_kcontrol *kctl;
1220 /* build master controls */
1221 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1222 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1223 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1224 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1226 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1231 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1233 /* build center controls */
1234 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1235 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1237 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1239 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1240 kctl->private_value &= ~(0xff << 16);
1241 kctl->private_value |= (int)max << 16;
1242 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1245 /* build LFE controls */
1246 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1247 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1249 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1251 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1252 kctl->private_value &= ~(0xff << 16);
1253 kctl->private_value |= (int)max << 16;
1254 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1257 /* build surround controls */
1258 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1259 /* Surround Master (0x38) is with stereo mutes */
1260 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1264 /* build headphone controls */
1265 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1266 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1270 /* build master mono controls */
1271 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1272 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1276 /* build master tone controls */
1277 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1278 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1279 for (idx = 0; idx < 2; idx++) {
1280 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1282 if (ac97->id == AC97_ID_YMF753) {
1283 kctl->private_value &= ~(0xff << 16);
1284 kctl->private_value |= 7 << 16;
1287 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1291 /* build PC Speaker controls */
1292 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1293 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1294 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1295 for (idx = 0; idx < 2; idx++)
1296 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1298 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1299 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1302 /* build Phone controls */
1303 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1304 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1305 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1310 /* build MIC controls */
1311 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1312 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1313 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1315 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1320 /* build Line controls */
1321 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1322 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1326 /* build CD controls */
1327 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1328 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1329 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1334 /* build Video controls */
1335 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1336 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1337 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1342 /* build Aux controls */
1343 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1344 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1348 /* build PCM controls */
1349 if (ac97->flags & AC97_AD_MULTI) {
1350 unsigned short init_val;
1351 if (ac97->flags & AC97_STEREO_MUTES)
1355 for (idx = 0; idx < 2; idx++)
1356 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1358 ac97->spec.ad18xx.pcmreg[0] = init_val;
1359 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1360 for (idx = 0; idx < 2; idx++)
1361 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1363 ac97->spec.ad18xx.pcmreg[1] = init_val;
1365 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1366 for (idx = 0; idx < 2; idx++)
1367 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1369 for (idx = 0; idx < 2; idx++)
1370 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1372 ac97->spec.ad18xx.pcmreg[2] = init_val;
1374 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1376 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1377 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1378 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1380 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1386 /* build Capture controls */
1387 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1388 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1390 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1391 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1394 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1396 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1397 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1399 /* build MIC Capture controls */
1400 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1401 for (idx = 0; idx < 2; idx++)
1402 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1404 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1407 /* build PCM out path & mute control */
1408 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1409 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1413 /* build Simulated Stereo Enhancement control */
1414 if (ac97->caps & 0x0008) {
1415 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1419 /* build 3D Stereo Enhancement control */
1420 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1421 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1425 /* build Loudness control */
1426 if (ac97->caps & 0x0020) {
1427 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1431 /* build Mono output select control */
1432 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1433 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1437 /* build Mic select control */
1438 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1439 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1443 /* build ADC/DAC loopback control */
1444 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1445 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1449 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1451 /* build 3D controls */
1452 if (ac97->build_ops->build_3d) {
1453 ac97->build_ops->build_3d(ac97);
1455 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1458 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1459 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1460 val = val == 0x0606;
1461 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1464 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1465 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1468 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1469 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1473 /* build S/PDIF controls */
1474 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1475 if (ac97->build_ops->build_spdif) {
1476 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1479 for (idx = 0; idx < 5; idx++)
1480 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1482 if (ac97->build_ops->build_post_spdif) {
1483 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1486 /* set default PCM S/PDIF params */
1487 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1488 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1489 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1491 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1494 /* build chip specific controls */
1495 if (ac97->build_ops->build_specific)
1496 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1499 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1500 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1503 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1504 set_inv_eapd(ac97, kctl);
1505 if ((err = snd_ctl_add(card, kctl)) < 0)
1512 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1516 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1517 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1518 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1519 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1520 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1521 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1523 /* build modem switches */
1524 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1525 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1528 /* build chip specific controls */
1529 if (ac97->build_ops->build_specific)
1530 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1536 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1541 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1542 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1544 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1545 val = snd_ac97_read(ac97, reg);
1546 return val == (tmp & 0xffff);
1549 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1551 unsigned int result = 0;
1552 unsigned short saved;
1554 if (ac97->bus->no_vra) {
1555 *r_result = SNDRV_PCM_RATE_48000;
1556 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1557 reg == AC97_PCM_FRONT_DAC_RATE)
1558 *r_result |= SNDRV_PCM_RATE_96000;
1562 saved = snd_ac97_read(ac97, reg);
1563 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1564 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1566 /* test a non-standard rate */
1567 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1568 result |= SNDRV_PCM_RATE_CONTINUOUS;
1569 /* let's try to obtain standard rates */
1570 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1571 result |= SNDRV_PCM_RATE_8000;
1572 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1573 result |= SNDRV_PCM_RATE_11025;
1574 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1575 result |= SNDRV_PCM_RATE_16000;
1576 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1577 result |= SNDRV_PCM_RATE_22050;
1578 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1579 result |= SNDRV_PCM_RATE_32000;
1580 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1581 result |= SNDRV_PCM_RATE_44100;
1582 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1583 result |= SNDRV_PCM_RATE_48000;
1584 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1585 reg == AC97_PCM_FRONT_DAC_RATE) {
1586 /* test standard double rates */
1587 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1588 AC97_EA_DRA, AC97_EA_DRA);
1589 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1590 result |= SNDRV_PCM_RATE_64000;
1591 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1592 result |= SNDRV_PCM_RATE_88200;
1593 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1594 result |= SNDRV_PCM_RATE_96000;
1595 /* some codecs don't support variable double rates */
1596 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1597 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1598 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1601 /* restore the default value */
1602 snd_ac97_write_cache(ac97, reg, saved);
1604 snd_ac97_write_cache(ac97, shadow_reg, saved);
1608 /* check AC97_SPDIF register to accept which sample rates */
1609 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1611 unsigned int result = 0;
1613 static unsigned short ctl_bits[] = {
1614 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1616 static unsigned int rate_bits[] = {
1617 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1620 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1621 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1622 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1623 result |= rate_bits[i];
1628 /* look for the codec id table matching with the given id */
1629 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1632 const struct ac97_codec_id *pid;
1634 for (pid = table; pid->id; pid++)
1635 if (pid->id == (id & pid->mask))
1640 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1642 const struct ac97_codec_id *pid;
1644 sprintf(name, "0x%x %c%c%c", id,
1645 printable(id >> 24),
1646 printable(id >> 16),
1647 printable(id >> 8));
1648 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1652 strcpy(name, pid->name);
1653 if (ac97 && pid->patch) {
1654 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1655 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1659 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1662 strcat(name, pid->name);
1663 if (pid->mask != 0xffffffff)
1664 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1665 if (ac97 && pid->patch) {
1666 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1667 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1671 sprintf(name + strlen(name), " id %x", id & 0xff);
1675 * snd_ac97_get_short_name - retrieve codec name
1676 * @ac97: the codec instance
1678 * Returns the short identifying name of the codec.
1680 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1682 const struct ac97_codec_id *pid;
1684 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1685 if (pid->id == (ac97->id & pid->mask))
1687 return "unknown codec";
1691 /* wait for a while until registers are accessible after RESET
1692 * return 0 if ok, negative not ready
1694 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1696 unsigned long end_time;
1699 end_time = jiffies + timeout;
1702 /* use preliminary reads to settle the communication */
1703 snd_ac97_read(ac97, AC97_RESET);
1704 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1705 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1708 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1709 if (val != 0xffff && (val & 1) != 0)
1712 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1713 /* probably only Xbox issue - all registers are read as zero */
1714 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1715 if (val != 0 && val != 0xffff)
1718 /* because the PCM or MASTER volume registers can be modified,
1719 * the REC_GAIN register is used for tests
1721 /* test if we can write to the record gain volume register */
1722 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1723 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1726 schedule_timeout_uninterruptible(1);
1727 } while (time_after_eq(end_time, jiffies));
1732 * snd_ac97_bus - create an AC97 bus component
1733 * @card: the card instance
1734 * @num: the bus number
1735 * @ops: the bus callbacks table
1736 * @private_data: private data pointer for the new instance
1737 * @rbus: the pointer to store the new AC97 bus instance.
1739 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1740 * allocated and initialized.
1742 * The ops table must include valid callbacks (at least read and
1743 * write). The other callbacks, wait and reset, are not mandatory.
1745 * The clock is set to 48000. If another clock is needed, set
1746 * (*rbus)->clock manually.
1748 * The AC97 bus instance is registered as a low-level device, so you don't
1749 * have to release it manually.
1751 * Returns zero if successful, or a negative error code on failure.
1753 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1754 void *private_data, struct snd_ac97_bus **rbus)
1757 struct snd_ac97_bus *bus;
1758 static struct snd_device_ops dev_ops = {
1759 .dev_free = snd_ac97_bus_dev_free,
1762 snd_assert(card != NULL, return -EINVAL);
1763 snd_assert(rbus != NULL, return -EINVAL);
1764 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1770 bus->private_data = private_data;
1772 spin_lock_init(&bus->bus_lock);
1773 snd_ac97_bus_proc_init(bus);
1774 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1775 snd_ac97_bus_free(bus);
1782 /* stop no dev release warning */
1783 static void ac97_device_release(struct device * dev)
1787 /* register ac97 codec to bus */
1788 static int snd_ac97_dev_register(struct snd_device *device)
1790 struct snd_ac97 *ac97 = device->device_data;
1793 ac97->dev.bus = &ac97_bus_type;
1794 ac97->dev.parent = ac97->bus->card->dev;
1795 ac97->dev.release = ac97_device_release;
1796 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1797 ac97->bus->card->number, ac97->num,
1798 snd_ac97_get_short_name(ac97));
1799 if ((err = device_register(&ac97->dev)) < 0) {
1800 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1801 ac97->dev.bus = NULL;
1807 /* unregister ac97 codec */
1808 static int snd_ac97_dev_unregister(struct snd_device *device)
1810 struct snd_ac97 *ac97 = device->device_data;
1812 device_unregister(&ac97->dev);
1813 return snd_ac97_free(ac97);
1816 /* build_ops to do nothing */
1817 static struct snd_ac97_build_ops null_build_ops;
1820 * snd_ac97_mixer - create an Codec97 component
1821 * @bus: the AC97 bus which codec is attached to
1822 * @template: the template of ac97, including index, callbacks and
1824 * @rac97: the pointer to store the new ac97 instance.
1826 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1827 * allocated and initialized from the template. The codec
1828 * is then initialized by the standard procedure.
1830 * The template must include the codec number (num) and address (addr),
1831 * and the private data (private_data).
1833 * The ac97 instance is registered as a low-level device, so you don't
1834 * have to release it manually.
1836 * Returns zero if successful, or a negative error code on failure.
1838 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1841 struct snd_ac97 *ac97;
1842 struct snd_card *card;
1844 unsigned long end_time;
1846 const struct ac97_codec_id *pid;
1847 static struct snd_device_ops ops = {
1848 .dev_free = snd_ac97_dev_free,
1849 .dev_register = snd_ac97_dev_register,
1850 .dev_unregister = snd_ac97_dev_unregister,
1853 snd_assert(rac97 != NULL, return -EINVAL);
1855 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1856 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1859 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1862 ac97->private_data = template->private_data;
1863 ac97->private_free = template->private_free;
1865 ac97->pci = template->pci;
1866 ac97->num = template->num;
1867 ac97->addr = template->addr;
1868 ac97->scaps = template->scaps;
1869 ac97->limited_regs = template->limited_regs;
1870 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1871 ac97->res_table = template->res_table;
1872 bus->codec[ac97->num] = ac97;
1873 mutex_init(&ac97->reg_mutex);
1874 mutex_init(&ac97->page_mutex);
1878 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1879 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1882 if (bus->ops->reset) {
1883 bus->ops->reset(ac97);
1887 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1888 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1889 if (ac97->id && ac97->id != (unsigned int)-1) {
1890 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1891 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1895 /* reset to defaults */
1896 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1897 snd_ac97_write(ac97, AC97_RESET, 0);
1898 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1899 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1901 bus->ops->wait(ac97);
1904 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1905 err = ac97_reset_wait(ac97, HZ/2, 1);
1907 err = ac97_reset_wait(ac97, HZ/2, 0);
1909 err = ac97_reset_wait(ac97, HZ/2, 1);
1912 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1913 /* proceed anyway - it's often non-critical */
1917 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1918 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1919 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1920 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1921 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1922 snd_ac97_free(ac97);
1925 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1927 ac97->flags |= pid->flags;
1929 /* test for AC'97 */
1930 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1931 /* test if we can write to the record gain volume register */
1932 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1933 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1934 ac97->scaps |= AC97_SCAP_AUDIO;
1936 if (ac97->scaps & AC97_SCAP_AUDIO) {
1937 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1938 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1939 if (ac97->ext_id == 0xffff) /* invalid combination */
1943 /* test for MC'97 */
1944 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1945 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1946 if (ac97->ext_mid == 0xffff) /* invalid combination */
1948 if (ac97->ext_mid & 1)
1949 ac97->scaps |= AC97_SCAP_MODEM;
1952 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1953 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1954 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1955 snd_ac97_free(ac97);
1959 if (bus->ops->reset) // FIXME: always skipping?
1962 /* FIXME: add powerdown control */
1963 if (ac97_is_audio(ac97)) {
1964 /* nothing should be in powerdown mode */
1965 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1966 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1967 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1969 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1971 /* nothing should be in powerdown mode */
1972 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1973 end_time = jiffies + (HZ / 10);
1975 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1977 schedule_timeout_uninterruptible(1);
1978 } while (time_after_eq(end_time, jiffies));
1979 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1982 /* FIXME: add powerdown control */
1983 if (ac97_is_modem(ac97)) {
1986 /* nothing should be in powerdown mode */
1987 /* note: it's important to set the rate at first */
1988 tmp = AC97_MEA_GPIO;
1989 if (ac97->ext_mid & AC97_MEI_LINE1) {
1990 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1991 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
1993 if (ac97->ext_mid & AC97_MEI_LINE2) {
1994 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1995 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
1997 if (ac97->ext_mid & AC97_MEI_HANDSET) {
1998 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1999 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2001 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2003 /* nothing should be in powerdown mode */
2004 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2005 end_time = jiffies + (HZ / 10);
2007 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2009 schedule_timeout_uninterruptible(1);
2010 } while (time_after_eq(end_time, jiffies));
2011 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2015 if (ac97_is_audio(ac97))
2016 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2018 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2019 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2020 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2021 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2023 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2024 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2026 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2027 /* Intel controllers require double rate data to be put in
2028 * slots 7+8, so let's hope the codec supports it. */
2029 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2030 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2031 ac97->flags |= AC97_DOUBLE_RATE;
2032 /* restore to slots 10/11 to avoid the confliction with surrounds */
2033 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2035 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2036 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2037 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2039 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2040 if (ac97->flags & AC97_DOUBLE_RATE)
2041 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2042 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2044 if (ac97->ext_id & AC97_EI_SPDIF) {
2045 /* codec specific code (patch) should override these values */
2046 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2048 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2049 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2051 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2053 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2054 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2055 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2057 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2058 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2059 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2061 /* additional initializations */
2063 bus->ops->init(ac97);
2064 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2065 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2066 if (! ac97->build_ops)
2067 ac97->build_ops = &null_build_ops;
2069 if (ac97_is_audio(ac97)) {
2071 if (card->mixername[0] == '\0') {
2072 strcpy(card->mixername, name);
2074 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2075 strcat(card->mixername, ",");
2076 strcat(card->mixername, name);
2079 sprintf(comp, "AC97a:%08x", ac97->id);
2080 if ((err = snd_component_add(card, comp)) < 0) {
2081 snd_ac97_free(ac97);
2084 if (snd_ac97_mixer_build(ac97) < 0) {
2085 snd_ac97_free(ac97);
2089 if (ac97_is_modem(ac97)) {
2091 if (card->mixername[0] == '\0') {
2092 strcpy(card->mixername, name);
2094 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2095 strcat(card->mixername, ",");
2096 strcat(card->mixername, name);
2099 sprintf(comp, "AC97m:%08x", ac97->id);
2100 if ((err = snd_component_add(card, comp)) < 0) {
2101 snd_ac97_free(ac97);
2104 if (snd_ac97_modem_build(card, ac97) < 0) {
2105 snd_ac97_free(ac97);
2109 /* make sure the proper powerdown bits are cleared */
2110 if (ac97->scaps && ac97_is_audio(ac97)) {
2111 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2112 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2113 reg &= ~AC97_EA_PRJ;
2114 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2115 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2116 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2118 snd_ac97_proc_init(ac97);
2119 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2120 snd_ac97_free(ac97);
2129 * Power down the chip.
2131 * MASTER and HEADPHONE registers are muted but the register cache values
2132 * are not changed, so that the values can be restored in snd_ac97_resume().
2134 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2136 unsigned short power;
2138 if (ac97_is_audio(ac97)) {
2139 /* some codecs have stereo mute bits */
2140 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2141 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2144 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2145 power |= 0x4000; /* Headphone amplifier powerdown */
2146 power |= 0x0300; /* ADC & DAC powerdown */
2147 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2149 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2150 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2153 /* FIXME: this causes click noises on some boards at resume */
2154 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2155 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2162 * snd_ac97_suspend - General suspend function for AC97 codec
2163 * @ac97: the ac97 instance
2165 * Suspends the codec, power down the chip.
2167 void snd_ac97_suspend(struct snd_ac97 *ac97)
2171 if (ac97->build_ops->suspend)
2172 ac97->build_ops->suspend(ac97);
2173 snd_ac97_powerdown(ac97);
2177 * restore ac97 status
2179 void snd_ac97_restore_status(struct snd_ac97 *ac97)
2183 for (i = 2; i < 0x7c ; i += 2) {
2184 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2186 /* restore only accessible registers
2187 * some chip (e.g. nm256) may hang up when unsupported registers
2190 if (test_bit(i, ac97->reg_accessed)) {
2191 snd_ac97_write(ac97, i, ac97->regs[i]);
2192 snd_ac97_read(ac97, i);
2198 * restore IEC958 status
2200 void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2202 if (ac97->ext_id & AC97_EI_SPDIF) {
2203 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2204 /* reset spdif status */
2205 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2206 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2207 if (ac97->flags & AC97_CS_SPDIF)
2208 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2210 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2211 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2217 * snd_ac97_resume - General resume function for AC97 codec
2218 * @ac97: the ac97 instance
2220 * Do the standard resume procedure, power up and restoring the
2221 * old register values.
2223 void snd_ac97_resume(struct snd_ac97 *ac97)
2225 unsigned long end_time;
2230 if (ac97->bus->ops->reset) {
2231 ac97->bus->ops->reset(ac97);
2235 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2236 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2237 snd_ac97_write(ac97, AC97_RESET, 0);
2239 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2241 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2243 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2244 if (ac97_is_audio(ac97)) {
2245 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2246 end_time = jiffies + msecs_to_jiffies(100);
2248 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2250 schedule_timeout_uninterruptible(1);
2251 } while (time_after_eq(end_time, jiffies));
2252 /* FIXME: extra delay */
2253 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2254 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2257 end_time = jiffies + msecs_to_jiffies(100);
2259 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2260 if (val != 0xffff && (val & 1) != 0)
2262 schedule_timeout_uninterruptible(1);
2263 } while (time_after_eq(end_time, jiffies));
2267 if (ac97->bus->ops->init)
2268 ac97->bus->ops->init(ac97);
2270 if (ac97->build_ops->resume)
2271 ac97->build_ops->resume(ac97);
2273 snd_ac97_restore_status(ac97);
2274 snd_ac97_restore_iec958(ac97);
2283 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2286 sprintf(dst, "%s %s", src, suffix);
2291 /* remove the control with the given name and optional suffix */
2292 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
2294 struct snd_ctl_elem_id id;
2295 memset(&id, 0, sizeof(id));
2296 set_ctl_name(id.name, name, suffix);
2297 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2298 return snd_ctl_remove_id(ac97->bus->card, &id);
2301 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2303 struct snd_ctl_elem_id sid;
2304 memset(&sid, 0, sizeof(sid));
2305 set_ctl_name(sid.name, name, suffix);
2306 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2307 return snd_ctl_find_id(ac97->bus->card, &sid);
2310 /* rename the control with the given name and optional suffix */
2311 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
2313 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2315 set_ctl_name(kctl->id.name, dst, suffix);
2321 /* rename both Volume and Switch controls - don't check the return value */
2322 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
2324 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2325 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2329 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
2331 struct snd_kcontrol *kctl1, *kctl2;
2332 kctl1 = ctl_find(ac97, s1, suffix);
2333 kctl2 = ctl_find(ac97, s2, suffix);
2334 if (kctl1 && kctl2) {
2335 set_ctl_name(kctl1->id.name, s2, suffix);
2336 set_ctl_name(kctl2->id.name, s1, suffix);
2343 /* bind hp and master controls instead of using only hp control */
2344 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2346 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2348 unsigned long priv_saved = kcontrol->private_value;
2349 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2350 snd_ac97_put_volsw(kcontrol, ucontrol);
2351 kcontrol->private_value = priv_saved;
2356 /* ac97 tune: bind Master and Headphone controls */
2357 static int tune_hp_only(struct snd_ac97 *ac97)
2359 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2360 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2361 if (! msw || ! mvol)
2363 msw->put = bind_hp_volsw_put;
2364 mvol->put = bind_hp_volsw_put;
2365 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2366 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2371 /* ac97 tune: use Headphone control as master */
2372 static int tune_hp_only(struct snd_ac97 *ac97)
2374 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2376 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2377 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2378 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2383 /* ac97 tune: swap Headphone and Master controls */
2384 static int tune_swap_hp(struct snd_ac97 *ac97)
2386 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2388 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2389 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2393 /* ac97 tune: swap Surround and Master controls */
2394 static int tune_swap_surround(struct snd_ac97 *ac97)
2396 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2397 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2402 /* ac97 tune: set up mic sharing for AD codecs */
2403 static int tune_ad_sharing(struct snd_ac97 *ac97)
2405 unsigned short scfg;
2406 if ((ac97->id & 0xffffff00) != 0x41445300) {
2407 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2410 /* Turn on OMS bit to route microphone to back panel */
2411 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2412 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2416 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2417 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2419 /* ac97 tune: set up ALC jack-select */
2420 static int tune_alc_jack(struct snd_ac97 *ac97)
2422 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2423 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2426 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2427 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2428 if (ac97->id == AC97_ID_ALC658D)
2429 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2430 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2433 /* ac97 tune: inversed EAPD bit */
2434 static int tune_inv_eapd(struct snd_ac97 *ac97)
2436 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2439 set_inv_eapd(ac97, kctl);
2443 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2445 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2447 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2448 int shift = (kcontrol->private_value >> 8) & 0x0f;
2449 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2450 unsigned short mask;
2451 if (shift != rshift)
2455 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2456 (ac97->regs[AC97_MASTER] & mask) == mask ?
2462 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2463 static int tune_mute_led(struct snd_ac97 *ac97)
2465 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2468 msw->put = master_mute_sw_put;
2469 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2470 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2474 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2475 struct snd_ctl_elem_value *ucontrol)
2477 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2479 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2480 int shift = (kcontrol->private_value >> 8) & 0x0f;
2481 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2482 unsigned short mask;
2483 if (shift != rshift)
2487 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2488 (ac97->regs[AC97_MASTER] & mask) == mask ?
2494 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2496 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2497 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2498 if (! msw || ! mvol)
2500 msw->put = hp_master_mute_sw_put;
2501 mvol->put = bind_hp_volsw_put;
2502 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2503 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2504 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2505 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2509 struct quirk_table {
2511 int (*func)(struct snd_ac97 *);
2514 static struct quirk_table applicable_quirks[] = {
2516 { "hp_only", tune_hp_only },
2517 { "swap_hp", tune_swap_hp },
2518 { "swap_surround", tune_swap_surround },
2519 { "ad_sharing", tune_ad_sharing },
2520 { "alc_jack", tune_alc_jack },
2521 { "inv_eapd", tune_inv_eapd },
2522 { "mute_led", tune_mute_led },
2523 { "hp_mute_led", tune_hp_mute_led },
2526 /* apply the quirk with the given type */
2527 static int apply_quirk(struct snd_ac97 *ac97, int type)
2531 else if (type >= ARRAY_SIZE(applicable_quirks))
2533 if (applicable_quirks[type].func)
2534 return applicable_quirks[type].func(ac97);
2538 /* apply the quirk with the given name */
2539 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2542 struct quirk_table *q;
2544 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2545 q = &applicable_quirks[i];
2546 if (q->name && ! strcmp(typestr, q->name))
2547 return apply_quirk(ac97, i);
2549 /* for compatibility, accept the numbers, too */
2550 if (*typestr >= '0' && *typestr <= '9')
2551 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2556 * snd_ac97_tune_hardware - tune up the hardware
2557 * @ac97: the ac97 instance
2558 * @quirk: quirk list
2559 * @override: explicit quirk value (overrides the list if non-NULL)
2561 * Do some workaround for each pci device, such as renaming of the
2562 * headphone (true line-out) control as "Master".
2563 * The quirk-list must be terminated with a zero-filled entry.
2565 * Returns zero if successful, or a negative error code on failure.
2568 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2572 /* quirk overriden? */
2573 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2574 result = apply_quirk_str(ac97, override);
2576 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2583 for (; quirk->subvendor; quirk++) {
2584 if (quirk->subvendor != ac97->subsystem_vendor)
2586 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2587 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2588 if (quirk->codec_id && quirk->codec_id != ac97->id)
2590 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2591 result = apply_quirk(ac97, quirk->type);
2593 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2605 EXPORT_SYMBOL(snd_ac97_write);
2606 EXPORT_SYMBOL(snd_ac97_read);
2607 EXPORT_SYMBOL(snd_ac97_write_cache);
2608 EXPORT_SYMBOL(snd_ac97_update);
2609 EXPORT_SYMBOL(snd_ac97_update_bits);
2610 EXPORT_SYMBOL(snd_ac97_get_short_name);
2611 EXPORT_SYMBOL(snd_ac97_bus);
2612 EXPORT_SYMBOL(snd_ac97_mixer);
2613 EXPORT_SYMBOL(snd_ac97_pcm_assign);
2614 EXPORT_SYMBOL(snd_ac97_pcm_open);
2615 EXPORT_SYMBOL(snd_ac97_pcm_close);
2616 EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2617 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2618 EXPORT_SYMBOL(snd_ac97_set_rate);
2620 EXPORT_SYMBOL(snd_ac97_resume);
2621 EXPORT_SYMBOL(snd_ac97_suspend);
2628 static int __init alsa_ac97_init(void)
2633 static void __exit alsa_ac97_exit(void)
2637 module_init(alsa_ac97_init)
2638 module_exit(alsa_ac97_exit)