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 <sound/core.h>
32 #include <sound/pcm.h>
33 #include <sound/ac97_codec.h>
34 #include <sound/asoundef.h>
35 #include <sound/initval.h>
36 #include "ac97_local.h"
38 #include "ac97_patch.h"
40 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
41 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
42 MODULE_LICENSE("GPL");
44 static int enable_loopback;
46 module_param(enable_loopback, bool, 0444);
47 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
53 struct ac97_codec_id {
57 int (*patch)(struct snd_ac97 *ac97);
58 int (*mpatch)(struct snd_ac97 *ac97);
62 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
63 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
64 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
65 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
66 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
67 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
68 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
69 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
70 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
71 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
72 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
73 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
74 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
75 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
76 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
77 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
78 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
79 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
80 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
81 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
82 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
83 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
84 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
85 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
86 { 0, 0, NULL, NULL, NULL }
89 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
90 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
91 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
92 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
93 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
94 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
95 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
96 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
97 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
98 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
99 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
100 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
101 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
102 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
103 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
104 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
105 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
106 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
107 { 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL },
108 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
109 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
110 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
111 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
112 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
113 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
114 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
115 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
116 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
117 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
118 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
119 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
120 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
121 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
122 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
123 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
124 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
125 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
126 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
127 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
128 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
129 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
130 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
131 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
132 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
133 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
134 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
135 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
136 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
137 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
138 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
139 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
140 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
141 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
142 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
143 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
144 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
145 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
146 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
147 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
148 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
149 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
150 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
151 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
152 { 0x4e534350, 0xffffffff, "LM4550", NULL, NULL },
153 { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
154 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
155 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
156 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
157 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
158 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
159 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
160 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
161 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
162 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
163 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
164 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
165 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
166 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
167 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
168 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
169 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
170 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
171 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
172 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
173 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
174 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
175 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
176 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
177 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
178 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
179 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
180 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
181 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
182 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
183 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
184 { 0, 0, NULL, NULL, NULL }
187 const char *snd_ac97_stereo_enhancements[] =
189 /* 0 */ "No 3D Stereo Enhancement",
190 /* 1 */ "Analog Devices Phat Stereo",
191 /* 2 */ "Creative Stereo Enhancement",
192 /* 3 */ "National Semi 3D Stereo Enhancement",
193 /* 4 */ "YAMAHA Ymersion",
194 /* 5 */ "BBE 3D Stereo Enhancement",
195 /* 6 */ "Crystal Semi 3D Stereo Enhancement",
196 /* 7 */ "Qsound QXpander",
197 /* 8 */ "Spatializer 3D Stereo Enhancement",
198 /* 9 */ "SRS 3D Stereo Enhancement",
199 /* 10 */ "Platform Tech 3D Stereo Enhancement",
200 /* 11 */ "AKM 3D Audio",
201 /* 12 */ "Aureal Stereo Enhancement",
202 /* 13 */ "Aztech 3D Enhancement",
203 /* 14 */ "Binaura 3D Audio Enhancement",
204 /* 15 */ "ESS Technology Stereo Enhancement",
205 /* 16 */ "Harman International VMAx",
206 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
207 /* 18 */ "Philips Incredible Sound",
208 /* 19 */ "Texas Instruments 3D Stereo Enhancement",
209 /* 20 */ "VLSI Technology 3D Stereo Enhancement",
210 /* 21 */ "TriTech 3D Stereo Enhancement",
211 /* 22 */ "Realtek 3D Stereo Enhancement",
212 /* 23 */ "Samsung 3D Stereo Enhancement",
213 /* 24 */ "Wolfson Microelectronics 3D Enhancement",
214 /* 25 */ "Delta Integration 3D Enhancement",
215 /* 26 */ "SigmaTel 3D Enhancement",
216 /* 27 */ "IC Ensemble/KS Waves",
217 /* 28 */ "Rockwell 3D Stereo Enhancement",
218 /* 29 */ "Reserved 29",
219 /* 30 */ "Reserved 30",
220 /* 31 */ "Reserved 31"
228 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
230 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
233 /* filter some registers for buggy codecs */
237 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
240 case AC97_ID_AD1819: /* AD1819 */
241 case AC97_ID_AD1881: /* AD1881 */
242 case AC97_ID_AD1881A: /* AD1881A */
243 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
246 case AC97_ID_AD1885: /* AD1885 */
247 case AC97_ID_AD1886: /* AD1886 */
248 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
249 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
252 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
255 case AC97_ID_STAC9700:
256 case AC97_ID_STAC9704:
257 case AC97_ID_STAC9705:
258 case AC97_ID_STAC9708:
259 case AC97_ID_STAC9721:
260 case AC97_ID_STAC9744:
261 case AC97_ID_STAC9756:
262 if (reg <= 0x3a || reg >= 0x5a)
270 * snd_ac97_write - write a value on the given register
271 * @ac97: the ac97 instance
272 * @reg: the register to change
273 * @value: the value to set
275 * Writes a value on the given register. This will invoke the write
276 * callback directly after the register check.
277 * This function doesn't change the register cache unlike
278 * #snd_ca97_write_cache(), so use this only when you don't want to
279 * reflect the change to the suspend/resume state.
281 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
283 if (!snd_ac97_valid_reg(ac97, reg))
285 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
286 /* Fix H/W bug of ALC100/100P */
287 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
288 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
290 ac97->bus->ops->write(ac97, reg, value);
294 * snd_ac97_read - read a value from the given register
296 * @ac97: the ac97 instance
297 * @reg: the register to read
299 * Reads a value from the given register. This will invoke the read
300 * callback directly after the register check.
302 * Returns the read value.
304 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
306 if (!snd_ac97_valid_reg(ac97, reg))
308 return ac97->bus->ops->read(ac97, reg);
311 /* read a register - return the cached value if already read */
312 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
314 if (! test_bit(reg, ac97->reg_accessed)) {
315 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
316 // set_bit(reg, ac97->reg_accessed);
318 return ac97->regs[reg];
322 * snd_ac97_write_cache - write a value on the given register and update the cache
323 * @ac97: the ac97 instance
324 * @reg: the register to change
325 * @value: the value to set
327 * Writes a value on the given register and updates the register
328 * cache. The cached values are used for the cached-read and the
331 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
333 if (!snd_ac97_valid_reg(ac97, reg))
335 down(&ac97->reg_mutex);
336 ac97->regs[reg] = value;
337 ac97->bus->ops->write(ac97, reg, value);
338 set_bit(reg, ac97->reg_accessed);
339 up(&ac97->reg_mutex);
343 * snd_ac97_update - update the value on the given register
344 * @ac97: the ac97 instance
345 * @reg: the register to change
346 * @value: the value to set
348 * Compares the value with the register cache and updates the value
349 * only when the value is changed.
351 * Returns 1 if the value is changed, 0 if no change, or a negative
354 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
358 if (!snd_ac97_valid_reg(ac97, reg))
360 down(&ac97->reg_mutex);
361 change = ac97->regs[reg] != value;
363 ac97->regs[reg] = value;
364 ac97->bus->ops->write(ac97, reg, value);
366 set_bit(reg, ac97->reg_accessed);
367 up(&ac97->reg_mutex);
372 * snd_ac97_update_bits - update the bits on the given register
373 * @ac97: the ac97 instance
374 * @reg: the register to change
375 * @mask: the bit-mask to change
376 * @value: the value to set
378 * Updates the masked-bits on the given register only when the value
381 * Returns 1 if the bits are changed, 0 if no change, or a negative
384 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
388 if (!snd_ac97_valid_reg(ac97, reg))
390 down(&ac97->reg_mutex);
391 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
392 up(&ac97->reg_mutex);
396 /* no lock version - see snd_ac97_updat_bits() */
397 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
398 unsigned short mask, unsigned short value)
401 unsigned short old, new;
403 old = snd_ac97_read_cache(ac97, reg);
404 new = (old & ~mask) | value;
407 ac97->regs[reg] = new;
408 ac97->bus->ops->write(ac97, reg, new);
410 set_bit(reg, ac97->reg_accessed);
414 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
417 unsigned short old, new, cfg;
419 down(&ac97->page_mutex);
420 old = ac97->spec.ad18xx.pcmreg[codec];
421 new = (old & ~mask) | value;
424 down(&ac97->reg_mutex);
425 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
426 ac97->spec.ad18xx.pcmreg[codec] = new;
427 /* select single codec */
428 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
430 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
431 /* update PCM bits */
432 ac97->bus->ops->write(ac97, AC97_PCM, new);
433 /* select all codecs */
434 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
436 up(&ac97->reg_mutex);
438 up(&ac97->page_mutex);
446 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
448 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
450 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
451 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
452 uinfo->value.enumerated.items = e->mask;
454 if (uinfo->value.enumerated.item > e->mask - 1)
455 uinfo->value.enumerated.item = e->mask - 1;
456 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
460 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
462 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
463 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
464 unsigned short val, bitmask;
466 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
468 val = snd_ac97_read_cache(ac97, e->reg);
469 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
470 if (e->shift_l != e->shift_r)
471 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
476 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
478 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
479 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
481 unsigned short mask, bitmask;
483 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
485 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
487 val = ucontrol->value.enumerated.item[0] << e->shift_l;
488 mask = (bitmask - 1) << e->shift_l;
489 if (e->shift_l != e->shift_r) {
490 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
492 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
493 mask |= (bitmask - 1) << e->shift_r;
495 return snd_ac97_update_bits(ac97, e->reg, mask, val);
498 /* save/restore ac97 v2.3 paging */
499 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
502 if ((kcontrol->private_value & (1<<25)) &&
503 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
504 (reg >= 0x60 && reg < 0x70)) {
505 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
506 down(&ac97->page_mutex); /* lock paging */
507 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
508 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
513 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
515 if (page_save >= 0) {
516 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
517 up(&ac97->page_mutex); /* unlock paging */
521 /* volume and switch controls */
522 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
524 int mask = (kcontrol->private_value >> 16) & 0xff;
525 int shift = (kcontrol->private_value >> 8) & 0x0f;
526 int rshift = (kcontrol->private_value >> 12) & 0x0f;
528 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
529 uinfo->count = shift == rshift ? 1 : 2;
530 uinfo->value.integer.min = 0;
531 uinfo->value.integer.max = mask;
535 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, 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 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
560 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
561 int reg = kcontrol->private_value & 0xff;
562 int shift = (kcontrol->private_value >> 8) & 0x0f;
563 int rshift = (kcontrol->private_value >> 12) & 0x0f;
564 int mask = (kcontrol->private_value >> 16) & 0xff;
565 int invert = (kcontrol->private_value >> 24) & 0x01;
567 unsigned short val, val2, val_mask;
569 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
570 val = (ucontrol->value.integer.value[0] & mask);
573 val_mask = mask << shift;
575 if (shift != rshift) {
576 val2 = (ucontrol->value.integer.value[1] & mask);
579 val_mask |= mask << rshift;
580 val |= val2 << rshift;
582 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
583 snd_ac97_page_restore(ac97, page_save);
587 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
588 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
589 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
592 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
593 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
594 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
597 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
598 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
599 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
602 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
603 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
606 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
607 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
608 static const char* std_mix[] = {"Mix", "Mic"};
609 static const char* std_mic[] = {"Mic1", "Mic2"};
611 static const struct ac97_enum std_enum[] = {
612 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
613 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
614 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
615 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
618 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
619 AC97_ENUM("Capture Source", std_enum[0]);
621 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
622 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
624 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
625 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
626 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
630 AC97_GENERAL_PCM_OUT = 0,
631 AC97_GENERAL_STEREO_ENHANCEMENT,
633 AC97_GENERAL_LOUDNESS,
636 AC97_GENERAL_LOOPBACK
639 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
640 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
641 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
642 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
643 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
644 AC97_ENUM("Mono Output Select", std_enum[2]),
645 AC97_ENUM("Mic Select", std_enum[3]),
646 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
649 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
650 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
651 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
654 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
655 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
656 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
659 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
660 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
661 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
664 static const struct snd_kcontrol_new snd_ac97_control_eapd =
665 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
667 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
668 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
669 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
672 /* change the existing EAPD control as inverted */
673 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
675 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
676 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
677 ac97->scaps |= AC97_SCAP_INV_EAPD;
680 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
682 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
687 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
689 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
690 IEC958_AES0_NONAUDIO |
691 IEC958_AES0_CON_EMPHASIS_5015 |
692 IEC958_AES0_CON_NOT_COPYRIGHT;
693 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
694 IEC958_AES1_CON_ORIGINAL;
695 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
699 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
701 /* FIXME: AC'97 spec doesn't say which bits are used for what */
702 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
703 IEC958_AES0_NONAUDIO |
705 IEC958_AES0_PRO_EMPHASIS_5015;
709 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
711 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
713 down(&ac97->reg_mutex);
714 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
715 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
716 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
717 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
718 up(&ac97->reg_mutex);
722 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
724 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
725 unsigned int new = 0;
726 unsigned short val = 0;
729 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
730 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
731 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
732 switch (new & IEC958_AES0_PRO_FS) {
733 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
734 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
735 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
736 default: val |= 1<<12; break;
738 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
741 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
742 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
743 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
744 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
746 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
748 val |= ((new >> 8) & 0xff) << 4; // category + original
749 switch ((new >> 24) & 0xff) {
750 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
751 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
752 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
753 default: val |= 1<<12; break;
757 down(&ac97->reg_mutex);
758 change = ac97->spdif_status != new;
759 ac97->spdif_status = new;
761 if (ac97->flags & AC97_CS_SPDIF) {
762 int x = (val >> 12) & 0x03;
764 case 0: x = 1; break; // 44.1
765 case 2: x = 0; break; // 48.0
766 default: x = 0; break; // illegal.
768 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
769 } else if (ac97->flags & AC97_CX_SPDIF) {
771 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
772 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
773 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
774 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
777 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
778 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
780 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
781 if (extst & AC97_EA_SPDIF) {
782 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
785 up(&ac97->reg_mutex);
790 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
792 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
793 int reg = kcontrol->private_value & 0xff;
794 int shift = (kcontrol->private_value >> 8) & 0xff;
795 int mask = (kcontrol->private_value >> 16) & 0xff;
796 // int invert = (kcontrol->private_value >> 24) & 0xff;
797 unsigned short value, old, new;
800 value = (ucontrol->value.integer.value[0] & mask);
802 down(&ac97->reg_mutex);
805 old = snd_ac97_read_cache(ac97, reg);
806 new = (old & ~mask) | value;
810 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
811 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
812 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
813 if (extst & AC97_EA_SPDIF)
814 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
816 up(&ac97->reg_mutex);
820 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
822 .access = SNDRV_CTL_ELEM_ACCESS_READ,
823 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
824 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
825 .info = snd_ac97_spdif_mask_info,
826 .get = snd_ac97_spdif_cmask_get,
829 .access = SNDRV_CTL_ELEM_ACCESS_READ,
830 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
831 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
832 .info = snd_ac97_spdif_mask_info,
833 .get = snd_ac97_spdif_pmask_get,
836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
838 .info = snd_ac97_spdif_mask_info,
839 .get = snd_ac97_spdif_default_get,
840 .put = snd_ac97_spdif_default_put,
843 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
845 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
846 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
847 .info = snd_ac97_info_volsw,
848 .get = snd_ac97_get_volsw,
849 .put = snd_ac97_put_spsa,
850 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
854 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
855 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
856 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
857 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
859 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
861 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
862 int mask = (kcontrol->private_value >> 16) & 0x0f;
863 int lshift = (kcontrol->private_value >> 8) & 0x0f;
864 int rshift = (kcontrol->private_value >> 12) & 0x0f;
866 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
867 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
871 uinfo->value.integer.min = 0;
872 uinfo->value.integer.max = mask;
876 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
878 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
879 int codec = kcontrol->private_value & 3;
880 int lshift = (kcontrol->private_value >> 8) & 0x0f;
881 int rshift = (kcontrol->private_value >> 12) & 0x0f;
882 int mask = (kcontrol->private_value >> 16) & 0xff;
884 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
885 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
886 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
890 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
892 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
893 int codec = kcontrol->private_value & 3;
894 int lshift = (kcontrol->private_value >> 8) & 0x0f;
895 int rshift = (kcontrol->private_value >> 12) & 0x0f;
896 int mask = (kcontrol->private_value >> 16) & 0xff;
897 unsigned short val, valmask;
899 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
900 valmask = mask << lshift;
901 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
902 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
903 valmask |= mask << rshift;
905 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
908 #define AD18XX_PCM_VOLUME(xname, codec) \
909 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
910 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
911 .private_value = codec }
913 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
915 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
917 uinfo->value.integer.min = 0;
918 uinfo->value.integer.max = 31;
922 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
924 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
925 int codec = kcontrol->private_value & 3;
927 down(&ac97->page_mutex);
928 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
929 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
930 up(&ac97->page_mutex);
934 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
936 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
937 int codec = kcontrol->private_value & 3;
938 unsigned short val1, val2;
940 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
941 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
942 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
945 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
946 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
947 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
950 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
951 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
952 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
955 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
956 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
957 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
960 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
961 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
962 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
969 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
971 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
974 snd_ac97_bus_proc_done(bus);
976 if (bus->private_free)
977 bus->private_free(bus);
983 static int snd_ac97_bus_dev_free(struct snd_device *device)
985 struct snd_ac97_bus *bus = device->device_data;
986 return snd_ac97_bus_free(bus);
989 static int snd_ac97_free(struct snd_ac97 *ac97)
992 snd_ac97_proc_done(ac97);
994 ac97->bus->codec[ac97->num] = NULL;
995 if (ac97->private_free)
996 ac97->private_free(ac97);
1002 static int snd_ac97_dev_free(struct snd_device *device)
1004 struct snd_ac97 *ac97 = device->device_data;
1005 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1006 return snd_ac97_free(ac97);
1009 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1011 unsigned short val, mask = 0x8000;
1013 if (! snd_ac97_valid_reg(ac97, reg))
1017 case AC97_MASTER_TONE:
1018 return ac97->caps & 0x04 ? 1 : 0;
1019 case AC97_HEADPHONE:
1020 return ac97->caps & 0x10 ? 1 : 0;
1021 case AC97_REC_GAIN_MIC:
1022 return ac97->caps & 0x01 ? 1 : 0;
1023 case AC97_3D_CONTROL:
1024 if (ac97->caps & 0x7c00) {
1025 val = snd_ac97_read(ac97, reg);
1026 /* if nonzero - fixed and we can't set it */
1030 case AC97_CENTER_LFE_MASTER: /* center */
1031 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1034 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1035 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1037 reg = AC97_CENTER_LFE_MASTER;
1040 case AC97_SURROUND_MASTER:
1041 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1046 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1047 return 1; /* allow without check */
1049 val = snd_ac97_read(ac97, reg);
1050 if (!(val & mask)) {
1051 /* nothing seems to be here - mute flag is not set */
1052 /* try another test */
1053 snd_ac97_write_cache(ac97, reg, val | mask);
1054 val = snd_ac97_read(ac97, reg);
1055 val = snd_ac97_read(ac97, reg);
1057 return 0; /* nothing here */
1059 return 1; /* success, useable */
1062 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1064 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1065 unsigned char max[3] = { 63, 31, 15 };
1068 *lo_max = *hi_max = 0;
1069 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1071 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1072 /* Do the read twice due to buffers on some ac97 codecs.
1073 * e.g. The STAC9704 returns exactly what you wrote the the register
1074 * if you read it immediately. This causes the detect routine to fail.
1076 val = snd_ac97_read(ac97, reg);
1077 val = snd_ac97_read(ac97, reg);
1078 if (! *lo_max && (val & 0x7f) == cbit[i])
1080 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1082 if (*lo_max && *hi_max)
1087 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1089 unsigned short mask, val, orig, res;
1092 orig = snd_ac97_read(ac97, reg);
1094 snd_ac97_write(ac97, reg, val);
1095 res = snd_ac97_read(ac97, reg);
1096 snd_ac97_write_cache(ac97, reg, orig);
1100 /* check the volume resolution of center/lfe */
1101 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1103 unsigned short val, val1;
1106 val = 0x8080 | (0x20 << shift);
1107 snd_ac97_write(ac97, reg, val);
1108 val1 = snd_ac97_read(ac97, reg);
1112 /* reset volume to zero */
1113 snd_ac97_write_cache(ac97, reg, 0x8080);
1116 static inline int printable(unsigned int x)
1119 if (x < ' ' || x >= 0x71) {
1121 return x - 0x71 + 'A';
1127 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1129 struct snd_kcontrol_new template;
1130 memcpy(&template, _template, sizeof(template));
1131 template.index = ac97->num;
1132 return snd_ctl_new1(&template, ac97);
1136 * create mute switch(es) for normal stereo controls
1138 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, int check_stereo, struct snd_ac97 *ac97)
1140 struct snd_kcontrol *kctl;
1142 unsigned short val, val1, mute_mask;
1144 if (! snd_ac97_valid_reg(ac97, reg))
1148 val = snd_ac97_read(ac97, reg);
1149 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1150 /* check whether both mute bits work */
1151 val1 = val | 0x8080;
1152 snd_ac97_write(ac97, reg, val1);
1153 if (val1 == snd_ac97_read(ac97, reg))
1156 if (mute_mask == 0x8080) {
1157 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1158 tmp.index = ac97->num;
1159 kctl = snd_ctl_new1(&tmp, ac97);
1161 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1162 tmp.index = ac97->num;
1163 kctl = snd_ctl_new1(&tmp, ac97);
1165 err = snd_ctl_add(card, kctl);
1168 /* mute as default */
1169 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1174 * create a volume for normal stereo/mono controls
1176 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1177 unsigned int hi_max, struct snd_ac97 *ac97)
1180 struct snd_kcontrol *kctl;
1182 if (! snd_ac97_valid_reg(ac97, reg))
1186 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1187 tmp.index = ac97->num;
1188 kctl = snd_ctl_new1(&tmp, ac97);
1191 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1192 tmp.index = ac97->num;
1193 kctl = snd_ctl_new1(&tmp, ac97);
1195 err = snd_ctl_add(card, kctl);
1198 snd_ac97_write_cache(ac97, reg,
1199 (snd_ac97_read(ac97, reg) & 0x8080) |
1200 lo_max | (hi_max << 8));
1205 * create a mute-switch and a volume for normal stereo/mono controls
1207 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, int reg, int check_stereo, struct snd_ac97 *ac97)
1211 unsigned char lo_max, hi_max;
1213 if (! snd_ac97_valid_reg(ac97, reg))
1216 if (snd_ac97_try_bit(ac97, reg, 15)) {
1217 sprintf(name, "%s Switch", pfx);
1218 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1221 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1223 sprintf(name, "%s Volume", pfx);
1224 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1230 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1231 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1233 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1235 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1237 struct snd_card *card = ac97->bus->card;
1238 struct snd_kcontrol *kctl;
1243 /* build master controls */
1244 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1245 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1246 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1247 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1249 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1254 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1256 /* build center controls */
1257 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1258 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1260 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1262 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1263 kctl->private_value &= ~(0xff << 16);
1264 kctl->private_value |= (int)max << 16;
1265 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1268 /* build LFE controls */
1269 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1270 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1272 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1274 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1275 kctl->private_value &= ~(0xff << 16);
1276 kctl->private_value |= (int)max << 16;
1277 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1280 /* build surround controls */
1281 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1282 /* Surround Master (0x38) is with stereo mutes */
1283 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1287 /* build headphone controls */
1288 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1289 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1293 /* build master mono controls */
1294 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1295 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1299 /* build master tone controls */
1300 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1301 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1302 for (idx = 0; idx < 2; idx++) {
1303 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1305 if (ac97->id == AC97_ID_YMF753) {
1306 kctl->private_value &= ~(0xff << 16);
1307 kctl->private_value |= 7 << 16;
1310 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1314 /* build PC Speaker controls */
1315 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1316 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1317 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1318 for (idx = 0; idx < 2; idx++)
1319 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1321 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1322 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1325 /* build Phone controls */
1326 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1327 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1328 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1333 /* build MIC controls */
1334 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1335 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1336 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1338 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1343 /* build Line controls */
1344 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1345 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1349 /* build CD controls */
1350 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1351 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1352 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1357 /* build Video controls */
1358 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1359 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1360 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1365 /* build Aux controls */
1366 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1367 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1371 /* build PCM controls */
1372 if (ac97->flags & AC97_AD_MULTI) {
1373 unsigned short init_val;
1374 if (ac97->flags & AC97_STEREO_MUTES)
1378 for (idx = 0; idx < 2; idx++)
1379 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1381 ac97->spec.ad18xx.pcmreg[0] = init_val;
1382 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1383 for (idx = 0; idx < 2; idx++)
1384 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1386 ac97->spec.ad18xx.pcmreg[1] = init_val;
1388 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1389 for (idx = 0; idx < 2; idx++)
1390 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1392 for (idx = 0; idx < 2; idx++)
1393 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1395 ac97->spec.ad18xx.pcmreg[2] = init_val;
1397 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1399 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1400 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1401 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1403 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1409 /* build Capture controls */
1410 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1411 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1413 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1414 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1417 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1419 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1420 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1422 /* build MIC Capture controls */
1423 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1424 for (idx = 0; idx < 2; idx++)
1425 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1427 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1430 /* build PCM out path & mute control */
1431 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1432 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1436 /* build Simulated Stereo Enhancement control */
1437 if (ac97->caps & 0x0008) {
1438 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1442 /* build 3D Stereo Enhancement control */
1443 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1444 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1448 /* build Loudness control */
1449 if (ac97->caps & 0x0020) {
1450 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1454 /* build Mono output select control */
1455 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1456 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1460 /* build Mic select control */
1461 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1462 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1466 /* build ADC/DAC loopback control */
1467 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1468 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1472 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1474 /* build 3D controls */
1475 if (ac97->build_ops->build_3d) {
1476 ac97->build_ops->build_3d(ac97);
1478 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1481 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1482 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1483 val = val == 0x0606;
1484 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1487 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1488 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1491 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1492 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1496 /* build S/PDIF controls */
1497 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1498 if (ac97->build_ops->build_spdif) {
1499 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1502 for (idx = 0; idx < 5; idx++)
1503 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1505 if (ac97->build_ops->build_post_spdif) {
1506 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1509 /* set default PCM S/PDIF params */
1510 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1511 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1512 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1514 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1517 /* build chip specific controls */
1518 if (ac97->build_ops->build_specific)
1519 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1522 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1523 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1526 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1527 set_inv_eapd(ac97, kctl);
1528 if ((err = snd_ctl_add(card, kctl)) < 0)
1535 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1539 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1540 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1541 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1542 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1543 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1544 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1546 /* build modem switches */
1547 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1548 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1551 /* build chip specific controls */
1552 if (ac97->build_ops->build_specific)
1553 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1559 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1564 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1565 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1567 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1568 val = snd_ac97_read(ac97, reg);
1569 return val == (tmp & 0xffff);
1572 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1574 unsigned int result = 0;
1575 unsigned short saved;
1577 if (ac97->bus->no_vra) {
1578 *r_result = SNDRV_PCM_RATE_48000;
1579 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1580 reg == AC97_PCM_FRONT_DAC_RATE)
1581 *r_result |= SNDRV_PCM_RATE_96000;
1585 saved = snd_ac97_read(ac97, reg);
1586 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1587 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1589 /* test a non-standard rate */
1590 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1591 result |= SNDRV_PCM_RATE_CONTINUOUS;
1592 /* let's try to obtain standard rates */
1593 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1594 result |= SNDRV_PCM_RATE_8000;
1595 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1596 result |= SNDRV_PCM_RATE_11025;
1597 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1598 result |= SNDRV_PCM_RATE_16000;
1599 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1600 result |= SNDRV_PCM_RATE_22050;
1601 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1602 result |= SNDRV_PCM_RATE_32000;
1603 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1604 result |= SNDRV_PCM_RATE_44100;
1605 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1606 result |= SNDRV_PCM_RATE_48000;
1607 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1608 reg == AC97_PCM_FRONT_DAC_RATE) {
1609 /* test standard double rates */
1610 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1611 AC97_EA_DRA, AC97_EA_DRA);
1612 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1613 result |= SNDRV_PCM_RATE_64000;
1614 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1615 result |= SNDRV_PCM_RATE_88200;
1616 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1617 result |= SNDRV_PCM_RATE_96000;
1618 /* some codecs don't support variable double rates */
1619 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1620 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1621 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1624 /* restore the default value */
1625 snd_ac97_write_cache(ac97, reg, saved);
1627 snd_ac97_write_cache(ac97, shadow_reg, saved);
1631 /* check AC97_SPDIF register to accept which sample rates */
1632 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1634 unsigned int result = 0;
1636 static unsigned short ctl_bits[] = {
1637 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1639 static unsigned int rate_bits[] = {
1640 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1643 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1644 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1645 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1646 result |= rate_bits[i];
1651 /* look for the codec id table matching with the given id */
1652 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1655 const struct ac97_codec_id *pid;
1657 for (pid = table; pid->id; pid++)
1658 if (pid->id == (id & pid->mask))
1663 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1665 const struct ac97_codec_id *pid;
1667 sprintf(name, "0x%x %c%c%c", id,
1668 printable(id >> 24),
1669 printable(id >> 16),
1670 printable(id >> 8));
1671 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1675 strcpy(name, pid->name);
1676 if (ac97 && pid->patch) {
1677 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1678 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1682 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1685 strcat(name, pid->name);
1686 if (pid->mask != 0xffffffff)
1687 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1688 if (ac97 && pid->patch) {
1689 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1690 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1694 sprintf(name + strlen(name), " id %x", id & 0xff);
1698 * snd_ac97_get_short_name - retrieve codec name
1699 * @ac97: the codec instance
1701 * Returns the short identifying name of the codec.
1703 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1705 const struct ac97_codec_id *pid;
1707 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1708 if (pid->id == (ac97->id & pid->mask))
1710 return "unknown codec";
1714 /* wait for a while until registers are accessible after RESET
1715 * return 0 if ok, negative not ready
1717 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1719 unsigned long end_time;
1722 end_time = jiffies + timeout;
1725 /* use preliminary reads to settle the communication */
1726 snd_ac97_read(ac97, AC97_RESET);
1727 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1728 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1731 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1732 if (val != 0xffff && (val & 1) != 0)
1735 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1736 /* probably only Xbox issue - all registers are read as zero */
1737 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1738 if (val != 0 && val != 0xffff)
1741 /* because the PCM or MASTER volume registers can be modified,
1742 * the REC_GAIN register is used for tests
1744 /* test if we can write to the record gain volume register */
1745 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1746 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1749 schedule_timeout_uninterruptible(1);
1750 } while (time_after_eq(end_time, jiffies));
1755 * snd_ac97_bus - create an AC97 bus component
1756 * @card: the card instance
1757 * @num: the bus number
1758 * @ops: the bus callbacks table
1759 * @private_data: private data pointer for the new instance
1760 * @rbus: the pointer to store the new AC97 bus instance.
1762 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1763 * allocated and initialized.
1765 * The ops table must include valid callbacks (at least read and
1766 * write). The other callbacks, wait and reset, are not mandatory.
1768 * The clock is set to 48000. If another clock is needed, set
1769 * (*rbus)->clock manually.
1771 * The AC97 bus instance is registered as a low-level device, so you don't
1772 * have to release it manually.
1774 * Returns zero if successful, or a negative error code on failure.
1776 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1777 void *private_data, struct snd_ac97_bus **rbus)
1780 struct snd_ac97_bus *bus;
1781 static struct snd_device_ops dev_ops = {
1782 .dev_free = snd_ac97_bus_dev_free,
1785 snd_assert(card != NULL, return -EINVAL);
1786 snd_assert(rbus != NULL, return -EINVAL);
1787 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1793 bus->private_data = private_data;
1795 spin_lock_init(&bus->bus_lock);
1796 snd_ac97_bus_proc_init(bus);
1797 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1798 snd_ac97_bus_free(bus);
1805 /* stop no dev release warning */
1806 static void ac97_device_release(struct device * dev)
1810 /* register ac97 codec to bus */
1811 static int snd_ac97_dev_register(struct snd_device *device)
1813 struct snd_ac97 *ac97 = device->device_data;
1816 ac97->dev.bus = &ac97_bus_type;
1817 ac97->dev.parent = ac97->bus->card->dev;
1818 ac97->dev.release = ac97_device_release;
1819 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1820 ac97->bus->card->number, ac97->num,
1821 snd_ac97_get_short_name(ac97));
1822 if ((err = device_register(&ac97->dev)) < 0) {
1823 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1824 ac97->dev.bus = NULL;
1830 /* unregister ac97 codec */
1831 static int snd_ac97_dev_unregister(struct snd_device *device)
1833 struct snd_ac97 *ac97 = device->device_data;
1835 device_unregister(&ac97->dev);
1836 return snd_ac97_free(ac97);
1839 /* build_ops to do nothing */
1840 static struct snd_ac97_build_ops null_build_ops;
1843 * snd_ac97_mixer - create an Codec97 component
1844 * @bus: the AC97 bus which codec is attached to
1845 * @template: the template of ac97, including index, callbacks and
1847 * @rac97: the pointer to store the new ac97 instance.
1849 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1850 * allocated and initialized from the template. The codec
1851 * is then initialized by the standard procedure.
1853 * The template must include the codec number (num) and address (addr),
1854 * and the private data (private_data).
1856 * The ac97 instance is registered as a low-level device, so you don't
1857 * have to release it manually.
1859 * Returns zero if successful, or a negative error code on failure.
1861 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1864 struct snd_ac97 *ac97;
1865 struct snd_card *card;
1867 unsigned long end_time;
1869 const struct ac97_codec_id *pid;
1870 static struct snd_device_ops ops = {
1871 .dev_free = snd_ac97_dev_free,
1872 .dev_register = snd_ac97_dev_register,
1873 .dev_unregister = snd_ac97_dev_unregister,
1876 snd_assert(rac97 != NULL, return -EINVAL);
1878 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1879 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1882 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1885 ac97->private_data = template->private_data;
1886 ac97->private_free = template->private_free;
1888 ac97->pci = template->pci;
1889 ac97->num = template->num;
1890 ac97->addr = template->addr;
1891 ac97->scaps = template->scaps;
1892 ac97->limited_regs = template->limited_regs;
1893 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1894 bus->codec[ac97->num] = ac97;
1895 init_MUTEX(&ac97->reg_mutex);
1896 init_MUTEX(&ac97->page_mutex);
1899 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1900 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1902 if (bus->ops->reset) {
1903 bus->ops->reset(ac97);
1907 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1908 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1909 if (ac97->id && ac97->id != (unsigned int)-1) {
1910 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1911 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1915 /* reset to defaults */
1916 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1917 snd_ac97_write(ac97, AC97_RESET, 0);
1918 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1919 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1921 bus->ops->wait(ac97);
1924 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1925 err = ac97_reset_wait(ac97, HZ/2, 1);
1927 err = ac97_reset_wait(ac97, HZ/2, 0);
1929 err = ac97_reset_wait(ac97, HZ/2, 1);
1932 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1933 /* proceed anyway - it's often non-critical */
1937 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1938 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1939 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1940 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1941 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1942 snd_ac97_free(ac97);
1945 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1947 ac97->flags |= pid->flags;
1949 /* test for AC'97 */
1950 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1951 /* test if we can write to the record gain volume register */
1952 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1953 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1954 ac97->scaps |= AC97_SCAP_AUDIO;
1956 if (ac97->scaps & AC97_SCAP_AUDIO) {
1957 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1958 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1959 if (ac97->ext_id == 0xffff) /* invalid combination */
1963 /* test for MC'97 */
1964 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1965 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1966 if (ac97->ext_mid == 0xffff) /* invalid combination */
1968 if (ac97->ext_mid & 1)
1969 ac97->scaps |= AC97_SCAP_MODEM;
1972 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1973 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1974 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1975 snd_ac97_free(ac97);
1979 if (bus->ops->reset) // FIXME: always skipping?
1982 /* FIXME: add powerdown control */
1983 if (ac97_is_audio(ac97)) {
1984 /* nothing should be in powerdown mode */
1985 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1986 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1987 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1989 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1991 /* nothing should be in powerdown mode */
1992 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1993 end_time = jiffies + (HZ / 10);
1995 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1997 schedule_timeout_uninterruptible(1);
1998 } while (time_after_eq(end_time, jiffies));
1999 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2002 /* FIXME: add powerdown control */
2003 if (ac97_is_modem(ac97)) {
2006 /* nothing should be in powerdown mode */
2007 /* note: it's important to set the rate at first */
2008 tmp = AC97_MEA_GPIO;
2009 if (ac97->ext_mid & AC97_MEI_LINE1) {
2010 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2011 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2013 if (ac97->ext_mid & AC97_MEI_LINE2) {
2014 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2015 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2017 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2018 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2019 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2021 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2023 /* nothing should be in powerdown mode */
2024 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2025 end_time = jiffies + (HZ / 10);
2027 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2029 schedule_timeout_uninterruptible(1);
2030 } while (time_after_eq(end_time, jiffies));
2031 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2035 if (ac97_is_audio(ac97))
2036 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2038 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2039 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2040 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2041 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2043 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2044 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2046 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2047 /* Intel controllers require double rate data to be put in
2048 * slots 7+8, so let's hope the codec supports it. */
2049 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2050 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2051 ac97->flags |= AC97_DOUBLE_RATE;
2052 /* restore to slots 10/11 to avoid the confliction with surrounds */
2053 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2055 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2056 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2057 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2059 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2060 if (ac97->flags & AC97_DOUBLE_RATE)
2061 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2062 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2064 if (ac97->ext_id & AC97_EI_SPDIF) {
2065 /* codec specific code (patch) should override these values */
2066 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2068 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2069 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2071 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2073 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2074 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2075 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2077 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2078 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2079 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2081 /* additional initializations */
2083 bus->ops->init(ac97);
2084 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2085 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2086 if (! ac97->build_ops)
2087 ac97->build_ops = &null_build_ops;
2089 if (ac97_is_audio(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, "AC97a:%08x", ac97->id);
2100 if ((err = snd_component_add(card, comp)) < 0) {
2101 snd_ac97_free(ac97);
2104 if (snd_ac97_mixer_build(ac97) < 0) {
2105 snd_ac97_free(ac97);
2109 if (ac97_is_modem(ac97)) {
2111 if (card->mixername[0] == '\0') {
2112 strcpy(card->mixername, name);
2114 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2115 strcat(card->mixername, ",");
2116 strcat(card->mixername, name);
2119 sprintf(comp, "AC97m:%08x", ac97->id);
2120 if ((err = snd_component_add(card, comp)) < 0) {
2121 snd_ac97_free(ac97);
2124 if (snd_ac97_modem_build(card, ac97) < 0) {
2125 snd_ac97_free(ac97);
2129 /* make sure the proper powerdown bits are cleared */
2130 if (ac97->scaps && ac97_is_audio(ac97)) {
2131 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2132 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2133 reg &= ~AC97_EA_PRJ;
2134 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2135 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2136 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2138 snd_ac97_proc_init(ac97);
2139 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2140 snd_ac97_free(ac97);
2149 * Power down the chip.
2151 * MASTER and HEADPHONE registers are muted but the register cache values
2152 * are not changed, so that the values can be restored in snd_ac97_resume().
2154 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2156 unsigned short power;
2158 if (ac97_is_audio(ac97)) {
2159 /* some codecs have stereo mute bits */
2160 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2161 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2164 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2165 power |= 0x4000; /* Headphone amplifier powerdown */
2166 power |= 0x0300; /* ADC & DAC powerdown */
2167 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2169 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2170 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2173 /* FIXME: this causes click noises on some boards at resume */
2174 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2175 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2182 * snd_ac97_suspend - General suspend function for AC97 codec
2183 * @ac97: the ac97 instance
2185 * Suspends the codec, power down the chip.
2187 void snd_ac97_suspend(struct snd_ac97 *ac97)
2189 if (ac97->build_ops->suspend)
2190 ac97->build_ops->suspend(ac97);
2191 snd_ac97_powerdown(ac97);
2195 * restore ac97 status
2197 void snd_ac97_restore_status(struct snd_ac97 *ac97)
2201 for (i = 2; i < 0x7c ; i += 2) {
2202 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2204 /* restore only accessible registers
2205 * some chip (e.g. nm256) may hang up when unsupported registers
2208 if (test_bit(i, ac97->reg_accessed)) {
2209 snd_ac97_write(ac97, i, ac97->regs[i]);
2210 snd_ac97_read(ac97, i);
2216 * restore IEC958 status
2218 void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2220 if (ac97->ext_id & AC97_EI_SPDIF) {
2221 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2222 /* reset spdif status */
2223 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2224 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2225 if (ac97->flags & AC97_CS_SPDIF)
2226 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2228 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2229 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2235 * snd_ac97_resume - General resume function for AC97 codec
2236 * @ac97: the ac97 instance
2238 * Do the standard resume procedure, power up and restoring the
2239 * old register values.
2241 void snd_ac97_resume(struct snd_ac97 *ac97)
2243 unsigned long end_time;
2245 if (ac97->bus->ops->reset) {
2246 ac97->bus->ops->reset(ac97);
2250 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2251 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2252 snd_ac97_write(ac97, AC97_RESET, 0);
2254 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2256 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2258 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2259 if (ac97_is_audio(ac97)) {
2260 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2261 end_time = jiffies + msecs_to_jiffies(100);
2263 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2265 schedule_timeout_uninterruptible(1);
2266 } while (time_after_eq(end_time, jiffies));
2267 /* FIXME: extra delay */
2268 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2269 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2272 end_time = jiffies + msecs_to_jiffies(100);
2274 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2275 if (val != 0xffff && (val & 1) != 0)
2277 schedule_timeout_uninterruptible(1);
2278 } while (time_after_eq(end_time, jiffies));
2282 if (ac97->bus->ops->init)
2283 ac97->bus->ops->init(ac97);
2285 if (ac97->build_ops->resume)
2286 ac97->build_ops->resume(ac97);
2288 snd_ac97_restore_status(ac97);
2289 snd_ac97_restore_iec958(ac97);
2298 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2301 sprintf(dst, "%s %s", src, suffix);
2306 /* remove the control with the given name and optional suffix */
2307 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
2309 struct snd_ctl_elem_id id;
2310 memset(&id, 0, sizeof(id));
2311 set_ctl_name(id.name, name, suffix);
2312 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2313 return snd_ctl_remove_id(ac97->bus->card, &id);
2316 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2318 struct snd_ctl_elem_id sid;
2319 memset(&sid, 0, sizeof(sid));
2320 set_ctl_name(sid.name, name, suffix);
2321 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2322 return snd_ctl_find_id(ac97->bus->card, &sid);
2325 /* rename the control with the given name and optional suffix */
2326 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
2328 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2330 set_ctl_name(kctl->id.name, dst, suffix);
2336 /* rename both Volume and Switch controls - don't check the return value */
2337 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
2339 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2340 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2344 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
2346 struct snd_kcontrol *kctl1, *kctl2;
2347 kctl1 = ctl_find(ac97, s1, suffix);
2348 kctl2 = ctl_find(ac97, s2, suffix);
2349 if (kctl1 && kctl2) {
2350 set_ctl_name(kctl1->id.name, s2, suffix);
2351 set_ctl_name(kctl2->id.name, s1, suffix);
2358 /* bind hp and master controls instead of using only hp control */
2359 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2361 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2363 unsigned long priv_saved = kcontrol->private_value;
2364 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2365 snd_ac97_put_volsw(kcontrol, ucontrol);
2366 kcontrol->private_value = priv_saved;
2371 /* ac97 tune: bind Master and Headphone controls */
2372 static int tune_hp_only(struct snd_ac97 *ac97)
2374 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2375 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2376 if (! msw || ! mvol)
2378 msw->put = bind_hp_volsw_put;
2379 mvol->put = bind_hp_volsw_put;
2380 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2381 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2386 /* ac97 tune: use Headphone control as master */
2387 static int tune_hp_only(struct snd_ac97 *ac97)
2389 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2391 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2392 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2393 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2398 /* ac97 tune: swap Headphone and Master controls */
2399 static int tune_swap_hp(struct snd_ac97 *ac97)
2401 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2403 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2404 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2408 /* ac97 tune: swap Surround and Master controls */
2409 static int tune_swap_surround(struct snd_ac97 *ac97)
2411 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2412 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2417 /* ac97 tune: set up mic sharing for AD codecs */
2418 static int tune_ad_sharing(struct snd_ac97 *ac97)
2420 unsigned short scfg;
2421 if ((ac97->id & 0xffffff00) != 0x41445300) {
2422 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2425 /* Turn on OMS bit to route microphone to back panel */
2426 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2427 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2431 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2432 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2434 /* ac97 tune: set up ALC jack-select */
2435 static int tune_alc_jack(struct snd_ac97 *ac97)
2437 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2438 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2441 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2442 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2443 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2446 /* ac97 tune: inversed EAPD bit */
2447 static int tune_inv_eapd(struct snd_ac97 *ac97)
2449 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2452 set_inv_eapd(ac97, kctl);
2456 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2458 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2460 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2461 int shift = (kcontrol->private_value >> 8) & 0x0f;
2462 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2463 unsigned short mask;
2464 if (shift != rshift)
2468 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2469 (ac97->regs[AC97_MASTER] & mask) == mask ?
2475 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2476 static int tune_mute_led(struct snd_ac97 *ac97)
2478 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2481 msw->put = master_mute_sw_put;
2482 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2483 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2487 struct quirk_table {
2489 int (*func)(struct snd_ac97 *);
2492 static struct quirk_table applicable_quirks[] = {
2494 { "hp_only", tune_hp_only },
2495 { "swap_hp", tune_swap_hp },
2496 { "swap_surround", tune_swap_surround },
2497 { "ad_sharing", tune_ad_sharing },
2498 { "alc_jack", tune_alc_jack },
2499 { "inv_eapd", tune_inv_eapd },
2500 { "mute_led", tune_mute_led },
2503 /* apply the quirk with the given type */
2504 static int apply_quirk(struct snd_ac97 *ac97, int type)
2508 else if (type >= ARRAY_SIZE(applicable_quirks))
2510 if (applicable_quirks[type].func)
2511 return applicable_quirks[type].func(ac97);
2515 /* apply the quirk with the given name */
2516 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2519 struct quirk_table *q;
2521 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2522 q = &applicable_quirks[i];
2523 if (q->name && ! strcmp(typestr, q->name))
2524 return apply_quirk(ac97, i);
2526 /* for compatibility, accept the numbers, too */
2527 if (*typestr >= '0' && *typestr <= '9')
2528 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2533 * snd_ac97_tune_hardware - tune up the hardware
2534 * @ac97: the ac97 instance
2535 * @quirk: quirk list
2536 * @override: explicit quirk value (overrides the list if non-NULL)
2538 * Do some workaround for each pci device, such as renaming of the
2539 * headphone (true line-out) control as "Master".
2540 * The quirk-list must be terminated with a zero-filled entry.
2542 * Returns zero if successful, or a negative error code on failure.
2545 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2549 /* quirk overriden? */
2550 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2551 result = apply_quirk_str(ac97, override);
2553 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2560 for (; quirk->subvendor; quirk++) {
2561 if (quirk->subvendor != ac97->subsystem_vendor)
2563 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2564 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2565 if (quirk->codec_id && quirk->codec_id != ac97->id)
2567 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2568 result = apply_quirk(ac97, quirk->type);
2570 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2582 EXPORT_SYMBOL(snd_ac97_write);
2583 EXPORT_SYMBOL(snd_ac97_read);
2584 EXPORT_SYMBOL(snd_ac97_write_cache);
2585 EXPORT_SYMBOL(snd_ac97_update);
2586 EXPORT_SYMBOL(snd_ac97_update_bits);
2587 EXPORT_SYMBOL(snd_ac97_get_short_name);
2588 EXPORT_SYMBOL(snd_ac97_bus);
2589 EXPORT_SYMBOL(snd_ac97_mixer);
2590 EXPORT_SYMBOL(snd_ac97_pcm_assign);
2591 EXPORT_SYMBOL(snd_ac97_pcm_open);
2592 EXPORT_SYMBOL(snd_ac97_pcm_close);
2593 EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2594 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2595 EXPORT_SYMBOL(snd_ac97_set_rate);
2597 EXPORT_SYMBOL(snd_ac97_resume);
2598 EXPORT_SYMBOL(snd_ac97_suspend);
2605 static int __init alsa_ac97_init(void)
2610 static void __exit alsa_ac97_exit(void)
2614 module_init(alsa_ac97_init)
2615 module_exit(alsa_ac97_exit)