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");
57 int (*patch
)(ac97_t
*ac97
);
58 int (*mpatch
)(ac97_t
*ac97
);
62 static const ac97_codec_id_t 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 ac97_codec_id_t 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, "28028", 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"
224 * Shared AC97 controllers (ICH, ATIIXP...)
226 static DECLARE_MUTEX(shared_codec_mutex
);
227 static ac97_t
*shared_codec
[AC97_SHARED_TYPES
][4];
234 static int snd_ac97_valid_reg(ac97_t
*ac97
, unsigned short reg
)
236 if (ac97
->limited_regs
&& ! test_bit(reg
, ac97
->reg_accessed
))
239 /* filter some registers for buggy codecs */
243 if (reg
<= 0x1c || reg
== 0x20 || reg
== 0x26 || reg
>= 0x7c)
246 case AC97_ID_AD1819
: /* AD1819 */
247 case AC97_ID_AD1881
: /* AD1881 */
248 case AC97_ID_AD1881A
: /* AD1881A */
249 if (reg
>= 0x3a && reg
<= 0x6e) /* 0x59 */
252 case AC97_ID_AD1885
: /* AD1885 */
253 case AC97_ID_AD1886
: /* AD1886 */
254 case AC97_ID_AD1886A
: /* AD1886A - !!verify!! --jk */
255 case AC97_ID_AD1887
: /* AD1887 - !!verify!! --jk */
258 if (reg
>= 0x3c && reg
<= 0x6e) /* 0x59 */
261 case AC97_ID_STAC9700
:
262 case AC97_ID_STAC9704
:
263 case AC97_ID_STAC9705
:
264 case AC97_ID_STAC9708
:
265 case AC97_ID_STAC9721
:
266 case AC97_ID_STAC9744
:
267 case AC97_ID_STAC9756
:
268 if (reg
<= 0x3a || reg
>= 0x5a)
276 * snd_ac97_write - write a value on the given register
277 * @ac97: the ac97 instance
278 * @reg: the register to change
279 * @value: the value to set
281 * Writes a value on the given register. This will invoke the write
282 * callback directly after the register check.
283 * This function doesn't change the register cache unlike
284 * #snd_ca97_write_cache(), so use this only when you don't want to
285 * reflect the change to the suspend/resume state.
287 void snd_ac97_write(ac97_t
*ac97
, unsigned short reg
, unsigned short value
)
289 if (!snd_ac97_valid_reg(ac97
, reg
))
291 if ((ac97
->id
& 0xffffff00) == AC97_ID_ALC100
) {
292 /* Fix H/W bug of ALC100/100P */
293 if (reg
== AC97_MASTER
|| reg
== AC97_HEADPHONE
)
294 ac97
->bus
->ops
->write(ac97
, AC97_RESET
, 0); /* reset audio codec */
296 ac97
->bus
->ops
->write(ac97
, reg
, value
);
300 * snd_ac97_read - read a value from the given register
302 * @ac97: the ac97 instance
303 * @reg: the register to read
305 * Reads a value from the given register. This will invoke the read
306 * callback directly after the register check.
308 * Returns the read value.
310 unsigned short snd_ac97_read(ac97_t
*ac97
, unsigned short reg
)
312 if (!snd_ac97_valid_reg(ac97
, reg
))
314 return ac97
->bus
->ops
->read(ac97
, reg
);
317 /* read a register - return the cached value if already read */
318 static inline unsigned short snd_ac97_read_cache(ac97_t
*ac97
, unsigned short reg
)
320 if (! test_bit(reg
, ac97
->reg_accessed
)) {
321 ac97
->regs
[reg
] = ac97
->bus
->ops
->read(ac97
, reg
);
322 // set_bit(reg, ac97->reg_accessed);
324 return ac97
->regs
[reg
];
328 * snd_ac97_write_cache - write a value on the given register and update the cache
329 * @ac97: the ac97 instance
330 * @reg: the register to change
331 * @value: the value to set
333 * Writes a value on the given register and updates the register
334 * cache. The cached values are used for the cached-read and the
337 void snd_ac97_write_cache(ac97_t
*ac97
, unsigned short reg
, unsigned short value
)
339 if (!snd_ac97_valid_reg(ac97
, reg
))
341 down(&ac97
->reg_mutex
);
342 ac97
->regs
[reg
] = value
;
343 ac97
->bus
->ops
->write(ac97
, reg
, value
);
344 set_bit(reg
, ac97
->reg_accessed
);
345 up(&ac97
->reg_mutex
);
349 * snd_ac97_update - update the value on the given register
350 * @ac97: the ac97 instance
351 * @reg: the register to change
352 * @value: the value to set
354 * Compares the value with the register cache and updates the value
355 * only when the value is changed.
357 * Returns 1 if the value is changed, 0 if no change, or a negative
360 int snd_ac97_update(ac97_t
*ac97
, unsigned short reg
, unsigned short value
)
364 if (!snd_ac97_valid_reg(ac97
, reg
))
366 down(&ac97
->reg_mutex
);
367 change
= ac97
->regs
[reg
] != value
;
369 ac97
->regs
[reg
] = value
;
370 ac97
->bus
->ops
->write(ac97
, reg
, value
);
372 set_bit(reg
, ac97
->reg_accessed
);
373 up(&ac97
->reg_mutex
);
378 * snd_ac97_update_bits - update the bits on the given register
379 * @ac97: the ac97 instance
380 * @reg: the register to change
381 * @mask: the bit-mask to change
382 * @value: the value to set
384 * Updates the masked-bits on the given register only when the value
387 * Returns 1 if the bits are changed, 0 if no change, or a negative
390 int snd_ac97_update_bits(ac97_t
*ac97
, unsigned short reg
, unsigned short mask
, unsigned short value
)
394 if (!snd_ac97_valid_reg(ac97
, reg
))
396 down(&ac97
->reg_mutex
);
397 change
= snd_ac97_update_bits_nolock(ac97
, reg
, mask
, value
);
398 up(&ac97
->reg_mutex
);
402 /* no lock version - see snd_ac97_updat_bits() */
403 int snd_ac97_update_bits_nolock(ac97_t
*ac97
, unsigned short reg
,
404 unsigned short mask
, unsigned short value
)
407 unsigned short old
, new;
409 old
= snd_ac97_read_cache(ac97
, reg
);
410 new = (old
& ~mask
) | value
;
413 ac97
->regs
[reg
] = new;
414 ac97
->bus
->ops
->write(ac97
, reg
, new);
416 set_bit(reg
, ac97
->reg_accessed
);
420 static int snd_ac97_ad18xx_update_pcm_bits(ac97_t
*ac97
, int codec
, unsigned short mask
, unsigned short value
)
423 unsigned short old
, new, cfg
;
425 down(&ac97
->page_mutex
);
426 old
= ac97
->spec
.ad18xx
.pcmreg
[codec
];
427 new = (old
& ~mask
) | value
;
430 down(&ac97
->reg_mutex
);
431 cfg
= snd_ac97_read_cache(ac97
, AC97_AD_SERIAL_CFG
);
432 ac97
->spec
.ad18xx
.pcmreg
[codec
] = new;
433 /* select single codec */
434 ac97
->bus
->ops
->write(ac97
, AC97_AD_SERIAL_CFG
,
436 ac97
->spec
.ad18xx
.unchained
[codec
] | ac97
->spec
.ad18xx
.chained
[codec
]);
437 /* update PCM bits */
438 ac97
->bus
->ops
->write(ac97
, AC97_PCM
, new);
439 /* select all codecs */
440 ac97
->bus
->ops
->write(ac97
, AC97_AD_SERIAL_CFG
,
442 up(&ac97
->reg_mutex
);
444 up(&ac97
->page_mutex
);
452 int snd_ac97_info_enum_double(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
* uinfo
)
454 struct ac97_enum
*e
= (struct ac97_enum
*)kcontrol
->private_value
;
456 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
457 uinfo
->count
= e
->shift_l
== e
->shift_r
? 1 : 2;
458 uinfo
->value
.enumerated
.items
= e
->mask
;
460 if (uinfo
->value
.enumerated
.item
> e
->mask
- 1)
461 uinfo
->value
.enumerated
.item
= e
->mask
- 1;
462 strcpy(uinfo
->value
.enumerated
.name
, e
->texts
[uinfo
->value
.enumerated
.item
]);
466 int snd_ac97_get_enum_double(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
468 ac97_t
*ac97
= snd_kcontrol_chip(kcontrol
);
469 struct ac97_enum
*e
= (struct ac97_enum
*)kcontrol
->private_value
;
470 unsigned short val
, bitmask
;
472 for (bitmask
= 1; bitmask
< e
->mask
; bitmask
<<= 1)
474 val
= snd_ac97_read_cache(ac97
, e
->reg
);
475 ucontrol
->value
.enumerated
.item
[0] = (val
>> e
->shift_l
) & (bitmask
- 1);
476 if (e
->shift_l
!= e
->shift_r
)
477 ucontrol
->value
.enumerated
.item
[1] = (val
>> e
->shift_r
) & (bitmask
- 1);
482 int snd_ac97_put_enum_double(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
484 ac97_t
*ac97
= snd_kcontrol_chip(kcontrol
);
485 struct ac97_enum
*e
= (struct ac97_enum
*)kcontrol
->private_value
;
487 unsigned short mask
, bitmask
;
489 for (bitmask
= 1; bitmask
< e
->mask
; bitmask
<<= 1)
491 if (ucontrol
->value
.enumerated
.item
[0] > e
->mask
- 1)
493 val
= ucontrol
->value
.enumerated
.item
[0] << e
->shift_l
;
494 mask
= (bitmask
- 1) << e
->shift_l
;
495 if (e
->shift_l
!= e
->shift_r
) {
496 if (ucontrol
->value
.enumerated
.item
[1] > e
->mask
- 1)
498 val
|= ucontrol
->value
.enumerated
.item
[1] << e
->shift_r
;
499 mask
|= (bitmask
- 1) << e
->shift_r
;
501 return snd_ac97_update_bits(ac97
, e
->reg
, mask
, val
);
504 /* save/restore ac97 v2.3 paging */
505 static int snd_ac97_page_save(ac97_t
*ac97
, int reg
, snd_kcontrol_t
*kcontrol
)
508 if ((kcontrol
->private_value
& (1<<25)) &&
509 (ac97
->ext_id
& AC97_EI_REV_MASK
) >= AC97_EI_REV_23
&&
510 (reg
>= 0x60 && reg
< 0x70)) {
511 unsigned short page
= (kcontrol
->private_value
>> 26) & 0x0f;
512 down(&ac97
->page_mutex
); /* lock paging */
513 page_save
= snd_ac97_read(ac97
, AC97_INT_PAGING
) & AC97_PAGE_MASK
;
514 snd_ac97_update_bits(ac97
, AC97_INT_PAGING
, AC97_PAGE_MASK
, page
);
519 static void snd_ac97_page_restore(ac97_t
*ac97
, int page_save
)
521 if (page_save
>= 0) {
522 snd_ac97_update_bits(ac97
, AC97_INT_PAGING
, AC97_PAGE_MASK
, page_save
);
523 up(&ac97
->page_mutex
); /* unlock paging */
527 /* volume and switch controls */
528 int snd_ac97_info_volsw(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
* uinfo
)
530 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
531 int shift
= (kcontrol
->private_value
>> 8) & 0x0f;
532 int rshift
= (kcontrol
->private_value
>> 12) & 0x0f;
534 uinfo
->type
= mask
== 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN
: SNDRV_CTL_ELEM_TYPE_INTEGER
;
535 uinfo
->count
= shift
== rshift
? 1 : 2;
536 uinfo
->value
.integer
.min
= 0;
537 uinfo
->value
.integer
.max
= mask
;
541 int snd_ac97_get_volsw(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
543 ac97_t
*ac97
= snd_kcontrol_chip(kcontrol
);
544 int reg
= kcontrol
->private_value
& 0xff;
545 int shift
= (kcontrol
->private_value
>> 8) & 0x0f;
546 int rshift
= (kcontrol
->private_value
>> 12) & 0x0f;
547 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
548 int invert
= (kcontrol
->private_value
>> 24) & 0x01;
551 page_save
= snd_ac97_page_save(ac97
, reg
, kcontrol
);
552 ucontrol
->value
.integer
.value
[0] = (snd_ac97_read_cache(ac97
, reg
) >> shift
) & mask
;
554 ucontrol
->value
.integer
.value
[1] = (snd_ac97_read_cache(ac97
, reg
) >> rshift
) & mask
;
556 ucontrol
->value
.integer
.value
[0] = mask
- ucontrol
->value
.integer
.value
[0];
558 ucontrol
->value
.integer
.value
[1] = mask
- ucontrol
->value
.integer
.value
[1];
560 snd_ac97_page_restore(ac97
, page_save
);
564 int snd_ac97_put_volsw(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
566 ac97_t
*ac97
= snd_kcontrol_chip(kcontrol
);
567 int reg
= kcontrol
->private_value
& 0xff;
568 int shift
= (kcontrol
->private_value
>> 8) & 0x0f;
569 int rshift
= (kcontrol
->private_value
>> 12) & 0x0f;
570 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
571 int invert
= (kcontrol
->private_value
>> 24) & 0x01;
573 unsigned short val
, val2
, val_mask
;
575 page_save
= snd_ac97_page_save(ac97
, reg
, kcontrol
);
576 val
= (ucontrol
->value
.integer
.value
[0] & mask
);
579 val_mask
= mask
<< shift
;
581 if (shift
!= rshift
) {
582 val2
= (ucontrol
->value
.integer
.value
[1] & mask
);
585 val_mask
|= mask
<< rshift
;
586 val
|= val2
<< rshift
;
588 err
= snd_ac97_update_bits(ac97
, reg
, val_mask
, val
);
589 snd_ac97_page_restore(ac97
, page_save
);
593 static const snd_kcontrol_new_t snd_ac97_controls_master_mono
[2] = {
594 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO
, 15, 1, 1),
595 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO
, 0, 31, 1)
598 static const snd_kcontrol_new_t snd_ac97_controls_tone
[2] = {
599 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE
, 8, 15, 1),
600 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE
, 0, 15, 1)
603 static const snd_kcontrol_new_t snd_ac97_controls_pc_beep
[2] = {
604 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP
, 15, 1, 1),
605 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP
, 1, 15, 1)
608 static const snd_kcontrol_new_t snd_ac97_controls_mic_boost
=
609 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC
, 6, 1, 0);
612 static const char* std_rec_sel
[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
613 static const char* std_3d_path
[] = {"pre 3D", "post 3D"};
614 static const char* std_mix
[] = {"Mix", "Mic"};
615 static const char* std_mic
[] = {"Mic1", "Mic2"};
617 static const struct ac97_enum std_enum
[] = {
618 AC97_ENUM_DOUBLE(AC97_REC_SEL
, 8, 0, 8, std_rec_sel
),
619 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE
, 15, 2, std_3d_path
),
620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE
, 9, 2, std_mix
),
621 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE
, 8, 2, std_mic
),
624 static const snd_kcontrol_new_t snd_ac97_control_capture_src
=
625 AC97_ENUM("Capture Source", std_enum
[0]);
627 static const snd_kcontrol_new_t snd_ac97_control_capture_vol
=
628 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN
, 8, 0, 15, 0);
630 static const snd_kcontrol_new_t snd_ac97_controls_mic_capture
[2] = {
631 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC
, 15, 1, 1),
632 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC
, 0, 15, 0)
636 AC97_GENERAL_PCM_OUT
= 0,
637 AC97_GENERAL_STEREO_ENHANCEMENT
,
639 AC97_GENERAL_LOUDNESS
,
642 AC97_GENERAL_LOOPBACK
643 } ac97_general_index_t
;
645 static const snd_kcontrol_new_t snd_ac97_controls_general
[7] = {
646 AC97_ENUM("PCM Out Path & Mute", std_enum
[1]),
647 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE
, 14, 1, 0),
648 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE
, 13, 1, 0),
649 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE
, 12, 1, 0),
650 AC97_ENUM("Mono Output Select", std_enum
[2]),
651 AC97_ENUM("Mic Select", std_enum
[3]),
652 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE
, 7, 1, 0)
655 const snd_kcontrol_new_t snd_ac97_controls_3d
[2] = {
656 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL
, 8, 15, 0),
657 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL
, 0, 15, 0)
660 static const snd_kcontrol_new_t snd_ac97_controls_center
[2] = {
661 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER
, 7, 1, 1),
662 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER
, 0, 31, 1)
665 static const snd_kcontrol_new_t snd_ac97_controls_lfe
[2] = {
666 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER
, 15, 1, 1),
667 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER
, 8, 31, 1)
670 static const snd_kcontrol_new_t snd_ac97_control_eapd
=
671 AC97_SINGLE("External Amplifier", AC97_POWERDOWN
, 15, 1, 1);
673 static const snd_kcontrol_new_t snd_ac97_controls_modem_switches
[2] = {
674 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS
, 0, 1, 0),
675 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS
, 2, 1, 0)
678 /* change the existing EAPD control as inverted */
679 static void set_inv_eapd(ac97_t
*ac97
, snd_kcontrol_t
*kctl
)
681 kctl
->private_value
= AC97_SINGLE_VALUE(AC97_POWERDOWN
, 15, 1, 0);
682 snd_ac97_update_bits(ac97
, AC97_POWERDOWN
, (1<<15), (1<<15)); /* EAPD up */
683 ac97
->scaps
|= AC97_SCAP_INV_EAPD
;
686 static int snd_ac97_spdif_mask_info(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
* uinfo
)
688 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_IEC958
;
693 static int snd_ac97_spdif_cmask_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
695 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
696 IEC958_AES0_NONAUDIO
|
697 IEC958_AES0_CON_EMPHASIS_5015
|
698 IEC958_AES0_CON_NOT_COPYRIGHT
;
699 ucontrol
->value
.iec958
.status
[1] = IEC958_AES1_CON_CATEGORY
|
700 IEC958_AES1_CON_ORIGINAL
;
701 ucontrol
->value
.iec958
.status
[3] = IEC958_AES3_CON_FS
;
705 static int snd_ac97_spdif_pmask_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
707 /* FIXME: AC'97 spec doesn't say which bits are used for what */
708 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
709 IEC958_AES0_NONAUDIO
|
711 IEC958_AES0_PRO_EMPHASIS_5015
;
715 static int snd_ac97_spdif_default_get(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
717 ac97_t
*ac97
= snd_kcontrol_chip(kcontrol
);
719 down(&ac97
->reg_mutex
);
720 ucontrol
->value
.iec958
.status
[0] = ac97
->spdif_status
& 0xff;
721 ucontrol
->value
.iec958
.status
[1] = (ac97
->spdif_status
>> 8) & 0xff;
722 ucontrol
->value
.iec958
.status
[2] = (ac97
->spdif_status
>> 16) & 0xff;
723 ucontrol
->value
.iec958
.status
[3] = (ac97
->spdif_status
>> 24) & 0xff;
724 up(&ac97
->reg_mutex
);
728 static int snd_ac97_spdif_default_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
730 ac97_t
*ac97
= snd_kcontrol_chip(kcontrol
);
731 unsigned int new = 0;
732 unsigned short val
= 0;
735 new = val
= ucontrol
->value
.iec958
.status
[0] & (IEC958_AES0_PROFESSIONAL
|IEC958_AES0_NONAUDIO
);
736 if (ucontrol
->value
.iec958
.status
[0] & IEC958_AES0_PROFESSIONAL
) {
737 new |= ucontrol
->value
.iec958
.status
[0] & (IEC958_AES0_PRO_FS
|IEC958_AES0_PRO_EMPHASIS_5015
);
738 switch (new & IEC958_AES0_PRO_FS
) {
739 case IEC958_AES0_PRO_FS_44100
: val
|= 0<<12; break;
740 case IEC958_AES0_PRO_FS_48000
: val
|= 2<<12; break;
741 case IEC958_AES0_PRO_FS_32000
: val
|= 3<<12; break;
742 default: val
|= 1<<12; break;
744 if ((new & IEC958_AES0_PRO_EMPHASIS
) == IEC958_AES0_PRO_EMPHASIS_5015
)
747 new |= ucontrol
->value
.iec958
.status
[0] & (IEC958_AES0_CON_EMPHASIS_5015
|IEC958_AES0_CON_NOT_COPYRIGHT
);
748 new |= ((ucontrol
->value
.iec958
.status
[1] & (IEC958_AES1_CON_CATEGORY
|IEC958_AES1_CON_ORIGINAL
)) << 8);
749 new |= ((ucontrol
->value
.iec958
.status
[3] & IEC958_AES3_CON_FS
) << 24);
750 if ((new & IEC958_AES0_CON_EMPHASIS
) == IEC958_AES0_CON_EMPHASIS_5015
)
752 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT
))
754 val
|= ((new >> 8) & 0xff) << 4; // category + original
755 switch ((new >> 24) & 0xff) {
756 case IEC958_AES3_CON_FS_44100
: val
|= 0<<12; break;
757 case IEC958_AES3_CON_FS_48000
: val
|= 2<<12; break;
758 case IEC958_AES3_CON_FS_32000
: val
|= 3<<12; break;
759 default: val
|= 1<<12; break;
763 down(&ac97
->reg_mutex
);
764 change
= ac97
->spdif_status
!= new;
765 ac97
->spdif_status
= new;
767 if (ac97
->flags
& AC97_CS_SPDIF
) {
768 int x
= (val
>> 12) & 0x03;
770 case 0: x
= 1; break; // 44.1
771 case 2: x
= 0; break; // 48.0
772 default: x
= 0; break; // illegal.
774 change
|= snd_ac97_update_bits_nolock(ac97
, AC97_CSR_SPDIF
, 0x3fff, ((val
& 0xcfff) | (x
<< 12)));
775 } else if (ac97
->flags
& AC97_CX_SPDIF
) {
777 v
= new & (IEC958_AES0_CON_EMPHASIS_5015
|IEC958_AES0_CON_NOT_COPYRIGHT
) ? 0 : AC97_CXR_COPYRGT
;
778 v
|= new & IEC958_AES0_NONAUDIO
? AC97_CXR_SPDIF_AC3
: AC97_CXR_SPDIF_PCM
;
779 change
|= snd_ac97_update_bits_nolock(ac97
, AC97_CXR_AUDIO_MISC
,
780 AC97_CXR_SPDIF_MASK
| AC97_CXR_COPYRGT
,
783 unsigned short extst
= snd_ac97_read_cache(ac97
, AC97_EXTENDED_STATUS
);
784 snd_ac97_update_bits_nolock(ac97
, AC97_EXTENDED_STATUS
, AC97_EA_SPDIF
, 0); /* turn off */
786 change
|= snd_ac97_update_bits_nolock(ac97
, AC97_SPDIF
, 0x3fff, val
);
787 if (extst
& AC97_EA_SPDIF
) {
788 snd_ac97_update_bits_nolock(ac97
, AC97_EXTENDED_STATUS
, AC97_EA_SPDIF
, AC97_EA_SPDIF
); /* turn on again */
791 up(&ac97
->reg_mutex
);
796 static int snd_ac97_put_spsa(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
798 ac97_t
*ac97
= snd_kcontrol_chip(kcontrol
);
799 int reg
= kcontrol
->private_value
& 0xff;
800 int shift
= (kcontrol
->private_value
>> 8) & 0xff;
801 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
802 // int invert = (kcontrol->private_value >> 24) & 0xff;
803 unsigned short value
, old
, new;
806 value
= (ucontrol
->value
.integer
.value
[0] & mask
);
808 down(&ac97
->reg_mutex
);
811 old
= snd_ac97_read_cache(ac97
, reg
);
812 new = (old
& ~mask
) | value
;
816 unsigned short extst
= snd_ac97_read_cache(ac97
, AC97_EXTENDED_STATUS
);
817 snd_ac97_update_bits_nolock(ac97
, AC97_EXTENDED_STATUS
, AC97_EA_SPDIF
, 0); /* turn off */
818 change
= snd_ac97_update_bits_nolock(ac97
, reg
, mask
, value
);
819 if (extst
& AC97_EA_SPDIF
)
820 snd_ac97_update_bits_nolock(ac97
, AC97_EXTENDED_STATUS
, AC97_EA_SPDIF
, AC97_EA_SPDIF
); /* turn on again */
822 up(&ac97
->reg_mutex
);
826 const snd_kcontrol_new_t snd_ac97_controls_spdif
[5] = {
828 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
829 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
830 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,CON_MASK
),
831 .info
= snd_ac97_spdif_mask_info
,
832 .get
= snd_ac97_spdif_cmask_get
,
835 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
836 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
837 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,PRO_MASK
),
838 .info
= snd_ac97_spdif_mask_info
,
839 .get
= snd_ac97_spdif_pmask_get
,
842 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
843 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,DEFAULT
),
844 .info
= snd_ac97_spdif_mask_info
,
845 .get
= snd_ac97_spdif_default_get
,
846 .put
= snd_ac97_spdif_default_put
,
849 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK
,SWITCH
),AC97_EXTENDED_STATUS
, 2, 1, 0),
851 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
852 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,NONE
) "AC97-SPSA",
853 .info
= snd_ac97_info_volsw
,
854 .get
= snd_ac97_get_volsw
,
855 .put
= snd_ac97_put_spsa
,
856 .private_value
= AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS
, 4, 3, 0)
860 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
861 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
862 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
863 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
865 static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
* uinfo
)
867 ac97_t
*ac97
= snd_kcontrol_chip(kcontrol
);
868 int mask
= (kcontrol
->private_value
>> 16) & 0x0f;
869 int lshift
= (kcontrol
->private_value
>> 8) & 0x0f;
870 int rshift
= (kcontrol
->private_value
>> 12) & 0x0f;
872 uinfo
->type
= mask
== 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN
: SNDRV_CTL_ELEM_TYPE_INTEGER
;
873 if (lshift
!= rshift
&& (ac97
->flags
& AC97_STEREO_MUTES
))
877 uinfo
->value
.integer
.min
= 0;
878 uinfo
->value
.integer
.max
= mask
;
882 static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
884 ac97_t
*ac97
= snd_kcontrol_chip(kcontrol
);
885 int codec
= kcontrol
->private_value
& 3;
886 int lshift
= (kcontrol
->private_value
>> 8) & 0x0f;
887 int rshift
= (kcontrol
->private_value
>> 12) & 0x0f;
888 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
890 ucontrol
->value
.integer
.value
[0] = mask
- ((ac97
->spec
.ad18xx
.pcmreg
[codec
] >> lshift
) & mask
);
891 if (lshift
!= rshift
&& (ac97
->flags
& AC97_STEREO_MUTES
))
892 ucontrol
->value
.integer
.value
[1] = mask
- ((ac97
->spec
.ad18xx
.pcmreg
[codec
] >> rshift
) & mask
);
896 static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
898 ac97_t
*ac97
= snd_kcontrol_chip(kcontrol
);
899 int codec
= kcontrol
->private_value
& 3;
900 int lshift
= (kcontrol
->private_value
>> 8) & 0x0f;
901 int rshift
= (kcontrol
->private_value
>> 12) & 0x0f;
902 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
903 unsigned short val
, valmask
;
905 val
= (mask
- (ucontrol
->value
.integer
.value
[0] & mask
)) << lshift
;
906 valmask
= mask
<< lshift
;
907 if (lshift
!= rshift
&& (ac97
->flags
& AC97_STEREO_MUTES
)) {
908 val
|= (mask
- (ucontrol
->value
.integer
.value
[1] & mask
)) << rshift
;
909 valmask
|= mask
<< rshift
;
911 return snd_ac97_ad18xx_update_pcm_bits(ac97
, codec
, valmask
, val
);
914 #define AD18XX_PCM_VOLUME(xname, codec) \
915 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
916 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
917 .private_value = codec }
919 static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_info_t
* uinfo
)
921 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_INTEGER
;
923 uinfo
->value
.integer
.min
= 0;
924 uinfo
->value
.integer
.max
= 31;
928 static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
930 ac97_t
*ac97
= snd_kcontrol_chip(kcontrol
);
931 int codec
= kcontrol
->private_value
& 3;
933 down(&ac97
->page_mutex
);
934 ucontrol
->value
.integer
.value
[0] = 31 - ((ac97
->spec
.ad18xx
.pcmreg
[codec
] >> 0) & 31);
935 ucontrol
->value
.integer
.value
[1] = 31 - ((ac97
->spec
.ad18xx
.pcmreg
[codec
] >> 8) & 31);
936 up(&ac97
->page_mutex
);
940 static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t
* kcontrol
, snd_ctl_elem_value_t
* ucontrol
)
942 ac97_t
*ac97
= snd_kcontrol_chip(kcontrol
);
943 int codec
= kcontrol
->private_value
& 3;
944 unsigned short val1
, val2
;
946 val1
= 31 - (ucontrol
->value
.integer
.value
[0] & 31);
947 val2
= 31 - (ucontrol
->value
.integer
.value
[1] & 31);
948 return snd_ac97_ad18xx_update_pcm_bits(ac97
, codec
, 0x1f1f, (val1
<< 8) | val2
);
951 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm
[2] = {
952 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
953 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
956 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround
[2] = {
957 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
958 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
961 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center
[2] = {
962 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
963 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
966 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe
[2] = {
967 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
968 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
975 static void snd_ac97_powerdown(ac97_t
*ac97
);
977 static int snd_ac97_bus_free(ac97_bus_t
*bus
)
980 snd_ac97_bus_proc_done(bus
);
982 if (bus
->private_free
)
983 bus
->private_free(bus
);
989 static int snd_ac97_bus_dev_free(snd_device_t
*device
)
991 ac97_bus_t
*bus
= device
->device_data
;
992 return snd_ac97_bus_free(bus
);
995 static int snd_ac97_free(ac97_t
*ac97
)
998 snd_ac97_proc_done(ac97
);
1000 ac97
->bus
->codec
[ac97
->num
] = NULL
;
1001 if (ac97
->bus
->shared_type
) {
1002 down(&shared_codec_mutex
);
1003 shared_codec
[ac97
->bus
->shared_type
-1][ac97
->num
] = NULL
;
1004 up(&shared_codec_mutex
);
1007 if (ac97
->private_free
)
1008 ac97
->private_free(ac97
);
1014 static int snd_ac97_dev_free(snd_device_t
*device
)
1016 ac97_t
*ac97
= device
->device_data
;
1017 snd_ac97_powerdown(ac97
); /* for avoiding click noises during shut down */
1018 return snd_ac97_free(ac97
);
1021 static int snd_ac97_try_volume_mix(ac97_t
* ac97
, int reg
)
1023 unsigned short val
, mask
= 0x8000;
1025 if (! snd_ac97_valid_reg(ac97
, reg
))
1029 case AC97_MASTER_TONE
:
1030 return ac97
->caps
& 0x04 ? 1 : 0;
1031 case AC97_HEADPHONE
:
1032 return ac97
->caps
& 0x10 ? 1 : 0;
1033 case AC97_REC_GAIN_MIC
:
1034 return ac97
->caps
& 0x01 ? 1 : 0;
1035 case AC97_3D_CONTROL
:
1036 if (ac97
->caps
& 0x7c00) {
1037 val
= snd_ac97_read(ac97
, reg
);
1038 /* if nonzero - fixed and we can't set it */
1042 case AC97_CENTER_LFE_MASTER
: /* center */
1043 if ((ac97
->ext_id
& AC97_EI_CDAC
) == 0)
1046 case AC97_CENTER_LFE_MASTER
+1: /* lfe */
1047 if ((ac97
->ext_id
& AC97_EI_LDAC
) == 0)
1049 reg
= AC97_CENTER_LFE_MASTER
;
1052 case AC97_SURROUND_MASTER
:
1053 if ((ac97
->ext_id
& AC97_EI_SDAC
) == 0)
1058 if (ac97
->limited_regs
&& test_bit(reg
, ac97
->reg_accessed
))
1059 return 1; /* allow without check */
1061 val
= snd_ac97_read(ac97
, reg
);
1062 if (!(val
& mask
)) {
1063 /* nothing seems to be here - mute flag is not set */
1064 /* try another test */
1065 snd_ac97_write_cache(ac97
, reg
, val
| mask
);
1066 val
= snd_ac97_read(ac97
, reg
);
1068 return 0; /* nothing here */
1070 return 1; /* success, useable */
1073 static void check_volume_resolution(ac97_t
*ac97
, int reg
, unsigned char *lo_max
, unsigned char *hi_max
)
1075 unsigned short cbit
[3] = { 0x20, 0x10, 0x01 };
1076 unsigned char max
[3] = { 63, 31, 15 };
1079 *lo_max
= *hi_max
= 0;
1080 for (i
= 0 ; i
< ARRAY_SIZE(cbit
); i
++) {
1082 snd_ac97_write(ac97
, reg
, 0x8080 | cbit
[i
] | (cbit
[i
] << 8));
1083 /* Do the read twice due to buffers on some ac97 codecs.
1084 * e.g. The STAC9704 returns exactly what you wrote the the register
1085 * if you read it immediately. This causes the detect routine to fail.
1087 val
= snd_ac97_read(ac97
, reg
);
1088 val
= snd_ac97_read(ac97
, reg
);
1089 if (! *lo_max
&& (val
& 0x7f) == cbit
[i
])
1091 if (! *hi_max
&& ((val
>> 8) & 0x7f) == cbit
[i
])
1093 if (*lo_max
&& *hi_max
)
1098 int snd_ac97_try_bit(ac97_t
* ac97
, int reg
, int bit
)
1100 unsigned short mask
, val
, orig
, res
;
1103 orig
= snd_ac97_read(ac97
, reg
);
1105 snd_ac97_write(ac97
, reg
, val
);
1106 res
= snd_ac97_read(ac97
, reg
);
1107 snd_ac97_write_cache(ac97
, reg
, orig
);
1111 /* check the volume resolution of center/lfe */
1112 static void snd_ac97_change_volume_params2(ac97_t
* ac97
, int reg
, int shift
, unsigned char *max
)
1114 unsigned short val
, val1
;
1117 val
= 0x8080 | (0x20 << shift
);
1118 snd_ac97_write(ac97
, reg
, val
);
1119 val1
= snd_ac97_read(ac97
, reg
);
1123 /* reset volume to zero */
1124 snd_ac97_write_cache(ac97
, reg
, 0x8080);
1127 static inline int printable(unsigned int x
)
1130 if (x
< ' ' || x
>= 0x71) {
1132 return x
- 0x71 + 'A';
1138 snd_kcontrol_t
*snd_ac97_cnew(const snd_kcontrol_new_t
*_template
, ac97_t
* ac97
)
1140 snd_kcontrol_new_t
template;
1141 memcpy(&template, _template
, sizeof(template));
1142 snd_runtime_check(!template.index
, return NULL
);
1143 template.index
= ac97
->num
;
1144 return snd_ctl_new1(&template, ac97
);
1148 * create mute switch(es) for normal stereo controls
1150 static int snd_ac97_cmute_new_stereo(snd_card_t
*card
, char *name
, int reg
, int check_stereo
, ac97_t
*ac97
)
1152 snd_kcontrol_t
*kctl
;
1154 unsigned short val
, val1
, mute_mask
;
1156 if (! snd_ac97_valid_reg(ac97
, reg
))
1160 val
= snd_ac97_read(ac97
, reg
);
1161 if (check_stereo
|| (ac97
->flags
& AC97_STEREO_MUTES
)) {
1162 /* check whether both mute bits work */
1163 val1
= val
| 0x8080;
1164 snd_ac97_write(ac97
, reg
, val1
);
1165 if (val1
== snd_ac97_read(ac97
, reg
))
1168 if (mute_mask
== 0x8080) {
1169 snd_kcontrol_new_t tmp
= AC97_DOUBLE(name
, reg
, 15, 7, 1, 1);
1170 tmp
.index
= ac97
->num
;
1171 kctl
= snd_ctl_new1(&tmp
, ac97
);
1173 snd_kcontrol_new_t tmp
= AC97_SINGLE(name
, reg
, 15, 1, 1);
1174 tmp
.index
= ac97
->num
;
1175 kctl
= snd_ctl_new1(&tmp
, ac97
);
1177 err
= snd_ctl_add(card
, kctl
);
1180 /* mute as default */
1181 snd_ac97_write_cache(ac97
, reg
, val
| mute_mask
);
1186 * create a volume for normal stereo/mono controls
1188 static int snd_ac97_cvol_new(snd_card_t
*card
, char *name
, int reg
, unsigned int lo_max
,
1189 unsigned int hi_max
, ac97_t
*ac97
)
1192 snd_kcontrol_t
*kctl
;
1194 if (! snd_ac97_valid_reg(ac97
, reg
))
1198 snd_kcontrol_new_t tmp
= AC97_DOUBLE(name
, reg
, 8, 0, lo_max
, 1);
1199 tmp
.index
= ac97
->num
;
1200 kctl
= snd_ctl_new1(&tmp
, ac97
);
1203 snd_kcontrol_new_t tmp
= AC97_SINGLE(name
, reg
, 0, lo_max
, 1);
1204 tmp
.index
= ac97
->num
;
1205 kctl
= snd_ctl_new1(&tmp
, ac97
);
1207 err
= snd_ctl_add(card
, kctl
);
1210 snd_ac97_write_cache(ac97
, reg
,
1211 (snd_ac97_read(ac97
, reg
) & 0x8080) |
1212 lo_max
| (hi_max
<< 8));
1217 * create a mute-switch and a volume for normal stereo/mono controls
1219 static int snd_ac97_cmix_new_stereo(snd_card_t
*card
, const char *pfx
, int reg
, int check_stereo
, ac97_t
*ac97
)
1223 unsigned char lo_max
, hi_max
;
1225 if (! snd_ac97_valid_reg(ac97
, reg
))
1228 if (snd_ac97_try_bit(ac97
, reg
, 15)) {
1229 sprintf(name
, "%s Switch", pfx
);
1230 if ((err
= snd_ac97_cmute_new_stereo(card
, name
, reg
, check_stereo
, ac97
)) < 0)
1233 check_volume_resolution(ac97
, reg
, &lo_max
, &hi_max
);
1235 sprintf(name
, "%s Volume", pfx
);
1236 if ((err
= snd_ac97_cvol_new(card
, name
, reg
, lo_max
, hi_max
, ac97
)) < 0)
1242 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1243 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1245 static unsigned int snd_ac97_determine_spdif_rates(ac97_t
*ac97
);
1247 static int snd_ac97_mixer_build(ac97_t
* ac97
)
1249 snd_card_t
*card
= ac97
->bus
->card
;
1250 snd_kcontrol_t
*kctl
;
1255 /* build master controls */
1256 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1257 if (snd_ac97_try_volume_mix(ac97
, AC97_MASTER
)) {
1258 if (ac97
->flags
& AC97_HAS_NO_MASTER_VOL
)
1259 err
= snd_ac97_cmute_new(card
, "Master Playback Switch", AC97_MASTER
, ac97
);
1261 err
= snd_ac97_cmix_new(card
, "Master Playback", AC97_MASTER
, ac97
);
1266 ac97
->regs
[AC97_CENTER_LFE_MASTER
] = 0x8080;
1268 /* build center controls */
1269 if (snd_ac97_try_volume_mix(ac97
, AC97_CENTER_LFE_MASTER
)) {
1270 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_center
[0], ac97
))) < 0)
1272 if ((err
= snd_ctl_add(card
, kctl
= snd_ac97_cnew(&snd_ac97_controls_center
[1], ac97
))) < 0)
1274 snd_ac97_change_volume_params2(ac97
, AC97_CENTER_LFE_MASTER
, 0, &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
);
1280 /* build LFE controls */
1281 if (snd_ac97_try_volume_mix(ac97
, AC97_CENTER_LFE_MASTER
+1)) {
1282 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_lfe
[0], ac97
))) < 0)
1284 if ((err
= snd_ctl_add(card
, kctl
= snd_ac97_cnew(&snd_ac97_controls_lfe
[1], ac97
))) < 0)
1286 snd_ac97_change_volume_params2(ac97
, AC97_CENTER_LFE_MASTER
, 8, &max
);
1287 kctl
->private_value
&= ~(0xff << 16);
1288 kctl
->private_value
|= (int)max
<< 16;
1289 snd_ac97_write_cache(ac97
, AC97_CENTER_LFE_MASTER
, ac97
->regs
[AC97_CENTER_LFE_MASTER
] | max
<< 8);
1292 /* build surround controls */
1293 if (snd_ac97_try_volume_mix(ac97
, AC97_SURROUND_MASTER
)) {
1294 /* Surround Master (0x38) is with stereo mutes */
1295 if ((err
= snd_ac97_cmix_new_stereo(card
, "Surround Playback", AC97_SURROUND_MASTER
, 1, ac97
)) < 0)
1299 /* build headphone controls */
1300 if (snd_ac97_try_volume_mix(ac97
, AC97_HEADPHONE
)) {
1301 if ((err
= snd_ac97_cmix_new(card
, "Headphone Playback", AC97_HEADPHONE
, ac97
)) < 0)
1305 /* build master mono controls */
1306 if (snd_ac97_try_volume_mix(ac97
, AC97_MASTER_MONO
)) {
1307 if ((err
= snd_ac97_cmix_new(card
, "Master Mono Playback", AC97_MASTER_MONO
, ac97
)) < 0)
1311 /* build master tone controls */
1312 if (!(ac97
->flags
& AC97_HAS_NO_TONE
)) {
1313 if (snd_ac97_try_volume_mix(ac97
, AC97_MASTER_TONE
)) {
1314 for (idx
= 0; idx
< 2; idx
++) {
1315 if ((err
= snd_ctl_add(card
, kctl
= snd_ac97_cnew(&snd_ac97_controls_tone
[idx
], ac97
))) < 0)
1317 if (ac97
->id
== AC97_ID_YMF753
) {
1318 kctl
->private_value
&= ~(0xff << 16);
1319 kctl
->private_value
|= 7 << 16;
1322 snd_ac97_write_cache(ac97
, AC97_MASTER_TONE
, 0x0f0f);
1326 /* build PC Speaker controls */
1327 if (!(ac97
->flags
& AC97_HAS_NO_PC_BEEP
) &&
1328 ((ac97
->flags
& AC97_HAS_PC_BEEP
) ||
1329 snd_ac97_try_volume_mix(ac97
, AC97_PC_BEEP
))) {
1330 for (idx
= 0; idx
< 2; idx
++)
1331 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_pc_beep
[idx
], ac97
))) < 0)
1333 snd_ac97_write_cache(ac97
, AC97_PC_BEEP
,
1334 snd_ac97_read(ac97
, AC97_PC_BEEP
) | 0x801e);
1337 /* build Phone controls */
1338 if (!(ac97
->flags
& AC97_HAS_NO_PHONE
)) {
1339 if (snd_ac97_try_volume_mix(ac97
, AC97_PHONE
)) {
1340 if ((err
= snd_ac97_cmix_new(card
, "Phone Playback", AC97_PHONE
, ac97
)) < 0)
1345 /* build MIC controls */
1346 if (!(ac97
->flags
& AC97_HAS_NO_MIC
)) {
1347 if (snd_ac97_try_volume_mix(ac97
, AC97_MIC
)) {
1348 if ((err
= snd_ac97_cmix_new(card
, "Mic Playback", AC97_MIC
, ac97
)) < 0)
1350 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_mic_boost
, ac97
))) < 0)
1355 /* build Line controls */
1356 if (snd_ac97_try_volume_mix(ac97
, AC97_LINE
)) {
1357 if ((err
= snd_ac97_cmix_new(card
, "Line Playback", AC97_LINE
, ac97
)) < 0)
1361 /* build CD controls */
1362 if (!(ac97
->flags
& AC97_HAS_NO_CD
)) {
1363 if (snd_ac97_try_volume_mix(ac97
, AC97_CD
)) {
1364 if ((err
= snd_ac97_cmix_new(card
, "CD Playback", AC97_CD
, ac97
)) < 0)
1369 /* build Video controls */
1370 if (!(ac97
->flags
& AC97_HAS_NO_VIDEO
)) {
1371 if (snd_ac97_try_volume_mix(ac97
, AC97_VIDEO
)) {
1372 if ((err
= snd_ac97_cmix_new(card
, "Video Playback", AC97_VIDEO
, ac97
)) < 0)
1377 /* build Aux controls */
1378 if (snd_ac97_try_volume_mix(ac97
, AC97_AUX
)) {
1379 if ((err
= snd_ac97_cmix_new(card
, "Aux Playback", AC97_AUX
, ac97
)) < 0)
1383 /* build PCM controls */
1384 if (ac97
->flags
& AC97_AD_MULTI
) {
1385 unsigned short init_val
;
1386 if (ac97
->flags
& AC97_STEREO_MUTES
)
1390 for (idx
= 0; idx
< 2; idx
++)
1391 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm
[idx
], ac97
))) < 0)
1393 ac97
->spec
.ad18xx
.pcmreg
[0] = init_val
;
1394 if (ac97
->scaps
& AC97_SCAP_SURROUND_DAC
) {
1395 for (idx
= 0; idx
< 2; idx
++)
1396 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround
[idx
], ac97
))) < 0)
1398 ac97
->spec
.ad18xx
.pcmreg
[1] = init_val
;
1400 if (ac97
->scaps
& AC97_SCAP_CENTER_LFE_DAC
) {
1401 for (idx
= 0; idx
< 2; idx
++)
1402 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center
[idx
], ac97
))) < 0)
1404 for (idx
= 0; idx
< 2; idx
++)
1405 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe
[idx
], ac97
))) < 0)
1407 ac97
->spec
.ad18xx
.pcmreg
[2] = init_val
;
1409 snd_ac97_write_cache(ac97
, AC97_PCM
, init_val
);
1411 if (!(ac97
->flags
& AC97_HAS_NO_STD_PCM
)) {
1412 if (ac97
->flags
& AC97_HAS_NO_PCM_VOL
)
1413 err
= snd_ac97_cmute_new(card
, "PCM Playback Switch", AC97_PCM
, ac97
);
1415 err
= snd_ac97_cmix_new(card
, "PCM Playback", AC97_PCM
, ac97
);
1421 /* build Capture controls */
1422 if (!(ac97
->flags
& AC97_HAS_NO_REC_GAIN
)) {
1423 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_control_capture_src
, ac97
))) < 0)
1425 if (snd_ac97_try_bit(ac97
, AC97_REC_GAIN
, 15)) {
1426 if ((err
= snd_ac97_cmute_new(card
, "Capture Switch", AC97_REC_GAIN
, ac97
)) < 0)
1429 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_control_capture_vol
, ac97
))) < 0)
1431 snd_ac97_write_cache(ac97
, AC97_REC_SEL
, 0x0000);
1432 snd_ac97_write_cache(ac97
, AC97_REC_GAIN
, 0x0000);
1434 /* build MIC Capture controls */
1435 if (snd_ac97_try_volume_mix(ac97
, AC97_REC_GAIN_MIC
)) {
1436 for (idx
= 0; idx
< 2; idx
++)
1437 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_mic_capture
[idx
], ac97
))) < 0)
1439 snd_ac97_write_cache(ac97
, AC97_REC_GAIN_MIC
, 0x0000);
1442 /* build PCM out path & mute control */
1443 if (snd_ac97_try_bit(ac97
, AC97_GENERAL_PURPOSE
, 15)) {
1444 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_general
[AC97_GENERAL_PCM_OUT
], ac97
))) < 0)
1448 /* build Simulated Stereo Enhancement control */
1449 if (ac97
->caps
& 0x0008) {
1450 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_general
[AC97_GENERAL_STEREO_ENHANCEMENT
], ac97
))) < 0)
1454 /* build 3D Stereo Enhancement control */
1455 if (snd_ac97_try_bit(ac97
, AC97_GENERAL_PURPOSE
, 13)) {
1456 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_general
[AC97_GENERAL_3D
], ac97
))) < 0)
1460 /* build Loudness control */
1461 if (ac97
->caps
& 0x0020) {
1462 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_general
[AC97_GENERAL_LOUDNESS
], ac97
))) < 0)
1466 /* build Mono output select control */
1467 if (snd_ac97_try_bit(ac97
, AC97_GENERAL_PURPOSE
, 9)) {
1468 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_general
[AC97_GENERAL_MONO
], ac97
))) < 0)
1472 /* build Mic select control */
1473 if (snd_ac97_try_bit(ac97
, AC97_GENERAL_PURPOSE
, 8)) {
1474 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_general
[AC97_GENERAL_MIC
], ac97
))) < 0)
1478 /* build ADC/DAC loopback control */
1479 if (enable_loopback
&& snd_ac97_try_bit(ac97
, AC97_GENERAL_PURPOSE
, 7)) {
1480 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_general
[AC97_GENERAL_LOOPBACK
], ac97
))) < 0)
1484 snd_ac97_update_bits(ac97
, AC97_GENERAL_PURPOSE
, ~AC97_GP_DRSS_MASK
, 0x0000);
1486 /* build 3D controls */
1487 if (ac97
->build_ops
->build_3d
) {
1488 ac97
->build_ops
->build_3d(ac97
);
1490 if (snd_ac97_try_volume_mix(ac97
, AC97_3D_CONTROL
)) {
1493 snd_ac97_write(ac97
, AC97_3D_CONTROL
, val
);
1494 val
= snd_ac97_read(ac97
, AC97_3D_CONTROL
);
1495 val
= val
== 0x0606;
1496 if ((err
= snd_ctl_add(card
, kctl
= snd_ac97_cnew(&snd_ac97_controls_3d
[0], ac97
))) < 0)
1499 kctl
->private_value
= AC97_3D_CONTROL
| (9 << 8) | (7 << 16);
1500 if ((err
= snd_ctl_add(card
, kctl
= snd_ac97_cnew(&snd_ac97_controls_3d
[1], ac97
))) < 0)
1503 kctl
->private_value
= AC97_3D_CONTROL
| (1 << 8) | (7 << 16);
1504 snd_ac97_write_cache(ac97
, AC97_3D_CONTROL
, 0x0000);
1508 /* build S/PDIF controls */
1509 if ((ac97
->ext_id
& AC97_EI_SPDIF
) && !(ac97
->scaps
& AC97_SCAP_NO_SPDIF
)) {
1510 if (ac97
->build_ops
->build_spdif
) {
1511 if ((err
= ac97
->build_ops
->build_spdif(ac97
)) < 0)
1514 for (idx
= 0; idx
< 5; idx
++)
1515 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_spdif
[idx
], ac97
))) < 0)
1517 if (ac97
->build_ops
->build_post_spdif
) {
1518 if ((err
= ac97
->build_ops
->build_post_spdif(ac97
)) < 0)
1521 /* set default PCM S/PDIF params */
1522 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1523 snd_ac97_write_cache(ac97
, AC97_SPDIF
, 0x2a20);
1524 ac97
->rates
[AC97_RATES_SPDIF
] = snd_ac97_determine_spdif_rates(ac97
);
1526 ac97
->spdif_status
= SNDRV_PCM_DEFAULT_CON_SPDIF
;
1529 /* build chip specific controls */
1530 if (ac97
->build_ops
->build_specific
)
1531 if ((err
= ac97
->build_ops
->build_specific(ac97
)) < 0)
1534 if (snd_ac97_try_bit(ac97
, AC97_POWERDOWN
, 15)) {
1535 kctl
= snd_ac97_cnew(&snd_ac97_control_eapd
, ac97
);
1538 if (ac97
->scaps
& AC97_SCAP_INV_EAPD
)
1539 set_inv_eapd(ac97
, kctl
);
1540 if ((err
= snd_ctl_add(card
, kctl
)) < 0)
1547 static int snd_ac97_modem_build(snd_card_t
* card
, ac97_t
* ac97
)
1551 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1552 snd_ac97_write(ac97
, AC97_GPIO_CFG
, 0xffff & ~(AC97_GPIO_LINE1_OH
));
1553 snd_ac97_write(ac97
, AC97_GPIO_POLARITY
, 0xffff & ~(AC97_GPIO_LINE1_OH
));
1554 snd_ac97_write(ac97
, AC97_GPIO_STICKY
, 0xffff);
1555 snd_ac97_write(ac97
, AC97_GPIO_WAKEUP
, 0x0);
1556 snd_ac97_write(ac97
, AC97_MISC_AFE
, 0x0);
1558 /* build modem switches */
1559 for (idx
= 0; idx
< ARRAY_SIZE(snd_ac97_controls_modem_switches
); idx
++)
1560 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_modem_switches
[idx
], ac97
))) < 0)
1563 /* build chip specific controls */
1564 if (ac97
->build_ops
->build_specific
)
1565 if ((err
= ac97
->build_ops
->build_specific(ac97
)) < 0)
1571 static int snd_ac97_test_rate(ac97_t
*ac97
, int reg
, int shadow_reg
, int rate
)
1576 tmp
= ((unsigned int)rate
* ac97
->bus
->clock
) / 48000;
1577 snd_ac97_write_cache(ac97
, reg
, tmp
& 0xffff);
1579 snd_ac97_write_cache(ac97
, shadow_reg
, tmp
& 0xffff);
1580 val
= snd_ac97_read(ac97
, reg
);
1581 return val
== (tmp
& 0xffff);
1584 static void snd_ac97_determine_rates(ac97_t
*ac97
, int reg
, int shadow_reg
, unsigned int *r_result
)
1586 unsigned int result
= 0;
1587 unsigned short saved
;
1589 if (ac97
->bus
->no_vra
) {
1590 *r_result
= SNDRV_PCM_RATE_48000
;
1591 if ((ac97
->flags
& AC97_DOUBLE_RATE
) &&
1592 reg
== AC97_PCM_FRONT_DAC_RATE
)
1593 *r_result
|= SNDRV_PCM_RATE_96000
;
1597 saved
= snd_ac97_read(ac97
, reg
);
1598 if ((ac97
->ext_id
& AC97_EI_DRA
) && reg
== AC97_PCM_FRONT_DAC_RATE
)
1599 snd_ac97_update_bits(ac97
, AC97_EXTENDED_STATUS
,
1601 /* test a non-standard rate */
1602 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 11000))
1603 result
|= SNDRV_PCM_RATE_CONTINUOUS
;
1604 /* let's try to obtain standard rates */
1605 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 8000))
1606 result
|= SNDRV_PCM_RATE_8000
;
1607 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 11025))
1608 result
|= SNDRV_PCM_RATE_11025
;
1609 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 16000))
1610 result
|= SNDRV_PCM_RATE_16000
;
1611 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 22050))
1612 result
|= SNDRV_PCM_RATE_22050
;
1613 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 32000))
1614 result
|= SNDRV_PCM_RATE_32000
;
1615 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 44100))
1616 result
|= SNDRV_PCM_RATE_44100
;
1617 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 48000))
1618 result
|= SNDRV_PCM_RATE_48000
;
1619 if ((ac97
->flags
& AC97_DOUBLE_RATE
) &&
1620 reg
== AC97_PCM_FRONT_DAC_RATE
) {
1621 /* test standard double rates */
1622 snd_ac97_update_bits(ac97
, AC97_EXTENDED_STATUS
,
1623 AC97_EA_DRA
, AC97_EA_DRA
);
1624 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 64000 / 2))
1625 result
|= SNDRV_PCM_RATE_64000
;
1626 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 88200 / 2))
1627 result
|= SNDRV_PCM_RATE_88200
;
1628 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 96000 / 2))
1629 result
|= SNDRV_PCM_RATE_96000
;
1630 /* some codecs don't support variable double rates */
1631 if (!snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 76100 / 2))
1632 result
&= ~SNDRV_PCM_RATE_CONTINUOUS
;
1633 snd_ac97_update_bits(ac97
, AC97_EXTENDED_STATUS
,
1636 /* restore the default value */
1637 snd_ac97_write_cache(ac97
, reg
, saved
);
1639 snd_ac97_write_cache(ac97
, shadow_reg
, saved
);
1643 /* check AC97_SPDIF register to accept which sample rates */
1644 static unsigned int snd_ac97_determine_spdif_rates(ac97_t
*ac97
)
1646 unsigned int result
= 0;
1648 static unsigned short ctl_bits
[] = {
1649 AC97_SC_SPSR_44K
, AC97_SC_SPSR_32K
, AC97_SC_SPSR_48K
1651 static unsigned int rate_bits
[] = {
1652 SNDRV_PCM_RATE_44100
, SNDRV_PCM_RATE_32000
, SNDRV_PCM_RATE_48000
1655 for (i
= 0; i
< (int)ARRAY_SIZE(ctl_bits
); i
++) {
1656 snd_ac97_update_bits(ac97
, AC97_SPDIF
, AC97_SC_SPSR_MASK
, ctl_bits
[i
]);
1657 if ((snd_ac97_read(ac97
, AC97_SPDIF
) & AC97_SC_SPSR_MASK
) == ctl_bits
[i
])
1658 result
|= rate_bits
[i
];
1663 /* look for the codec id table matching with the given id */
1664 static const ac97_codec_id_t
*look_for_codec_id(const ac97_codec_id_t
*table
,
1667 const ac97_codec_id_t
*pid
;
1669 for (pid
= table
; pid
->id
; pid
++)
1670 if (pid
->id
== (id
& pid
->mask
))
1675 void snd_ac97_get_name(ac97_t
*ac97
, unsigned int id
, char *name
, int modem
)
1677 const ac97_codec_id_t
*pid
;
1679 sprintf(name
, "0x%x %c%c%c", id
,
1680 printable(id
>> 24),
1681 printable(id
>> 16),
1682 printable(id
>> 8));
1683 pid
= look_for_codec_id(snd_ac97_codec_id_vendors
, id
);
1687 strcpy(name
, pid
->name
);
1688 if (ac97
&& pid
->patch
) {
1689 if ((modem
&& (pid
->flags
& AC97_MODEM_PATCH
)) ||
1690 (! modem
&& ! (pid
->flags
& AC97_MODEM_PATCH
)))
1694 pid
= look_for_codec_id(snd_ac97_codec_ids
, id
);
1697 strcat(name
, pid
->name
);
1698 if (pid
->mask
!= 0xffffffff)
1699 sprintf(name
+ strlen(name
), " rev %d", id
& ~pid
->mask
);
1700 if (ac97
&& pid
->patch
) {
1701 if ((modem
&& (pid
->flags
& AC97_MODEM_PATCH
)) ||
1702 (! modem
&& ! (pid
->flags
& AC97_MODEM_PATCH
)))
1706 sprintf(name
+ strlen(name
), " id %x", id
& 0xff);
1710 * snd_ac97_get_short_name - retrieve codec name
1711 * @ac97: the codec instance
1713 * Returns the short identifying name of the codec.
1715 const char *snd_ac97_get_short_name(ac97_t
*ac97
)
1717 const ac97_codec_id_t
*pid
;
1719 for (pid
= snd_ac97_codec_ids
; pid
->id
; pid
++)
1720 if (pid
->id
== (ac97
->id
& pid
->mask
))
1722 return "unknown codec";
1726 /* wait for a while until registers are accessible after RESET
1727 * return 0 if ok, negative not ready
1729 static int ac97_reset_wait(ac97_t
*ac97
, int timeout
, int with_modem
)
1731 unsigned long end_time
;
1734 end_time
= jiffies
+ timeout
;
1737 /* use preliminary reads to settle the communication */
1738 snd_ac97_read(ac97
, AC97_RESET
);
1739 snd_ac97_read(ac97
, AC97_VENDOR_ID1
);
1740 snd_ac97_read(ac97
, AC97_VENDOR_ID2
);
1743 val
= snd_ac97_read(ac97
, AC97_EXTENDED_MID
);
1744 if (val
!= 0xffff && (val
& 1) != 0)
1747 if (ac97
->scaps
& AC97_SCAP_DETECT_BY_VENDOR
) {
1748 /* probably only Xbox issue - all registers are read as zero */
1749 val
= snd_ac97_read(ac97
, AC97_VENDOR_ID1
);
1750 if (val
!= 0 && val
!= 0xffff)
1753 /* because the PCM or MASTER volume registers can be modified,
1754 * the REC_GAIN register is used for tests
1756 /* test if we can write to the record gain volume register */
1757 snd_ac97_write_cache(ac97
, AC97_REC_GAIN
, 0x8a05);
1758 if ((snd_ac97_read(ac97
, AC97_REC_GAIN
) & 0x7fff) == 0x0a05)
1761 set_current_state(TASK_UNINTERRUPTIBLE
);
1762 schedule_timeout(1);
1763 } while (time_after_eq(end_time
, jiffies
));
1768 * snd_ac97_bus - create an AC97 bus component
1769 * @card: the card instance
1770 * @num: the bus number
1771 * @ops: the bus callbacks table
1772 * @private_data: private data pointer for the new instance
1773 * @rbus: the pointer to store the new AC97 bus instance.
1775 * Creates an AC97 bus component. An ac97_bus_t instance is newly
1776 * allocated and initialized.
1778 * The ops table must include valid callbacks (at least read and
1779 * write). The other callbacks, wait and reset, are not mandatory.
1781 * The clock is set to 48000. If another clock is needed, set
1782 * (*rbus)->clock manually.
1784 * The AC97 bus instance is registered as a low-level device, so you don't
1785 * have to release it manually.
1787 * Returns zero if successful, or a negative error code on failure.
1789 int snd_ac97_bus(snd_card_t
*card
, int num
, ac97_bus_ops_t
*ops
,
1790 void *private_data
, ac97_bus_t
**rbus
)
1794 static snd_device_ops_t dev_ops
= {
1795 .dev_free
= snd_ac97_bus_dev_free
,
1798 snd_assert(card
!= NULL
, return -EINVAL
);
1799 snd_assert(rbus
!= NULL
, return -EINVAL
);
1800 bus
= kcalloc(1, sizeof(*bus
), GFP_KERNEL
);
1806 bus
->private_data
= private_data
;
1808 spin_lock_init(&bus
->bus_lock
);
1809 snd_ac97_bus_proc_init(bus
);
1810 if ((err
= snd_device_new(card
, SNDRV_DEV_BUS
, bus
, &dev_ops
)) < 0) {
1811 snd_ac97_bus_free(bus
);
1818 /* stop no dev release warning */
1819 static void ac97_device_release(struct device
* dev
)
1823 /* register ac97 codec to bus */
1824 static int snd_ac97_dev_register(snd_device_t
*device
)
1826 ac97_t
*ac97
= device
->device_data
;
1829 ac97
->dev
.bus
= &ac97_bus_type
;
1830 ac97
->dev
.parent
= ac97
->bus
->card
->dev
;
1831 ac97
->dev
.platform_data
= ac97
;
1832 ac97
->dev
.release
= ac97_device_release
;
1833 snprintf(ac97
->dev
.bus_id
, BUS_ID_SIZE
, "card%d-%d", ac97
->bus
->card
->number
, ac97
->num
);
1834 if ((err
= device_register(&ac97
->dev
)) < 0) {
1835 snd_printk(KERN_ERR
"Can't register ac97 bus\n");
1836 ac97
->dev
.bus
= NULL
;
1842 /* unregister ac97 codec */
1843 static int snd_ac97_dev_unregister(snd_device_t
*device
)
1845 ac97_t
*ac97
= device
->device_data
;
1847 device_unregister(&ac97
->dev
);
1848 return snd_ac97_free(ac97
);
1851 /* build_ops to do nothing */
1852 static struct snd_ac97_build_ops null_build_ops
;
1855 * snd_ac97_mixer - create an Codec97 component
1856 * @bus: the AC97 bus which codec is attached to
1857 * @template: the template of ac97, including index, callbacks and
1859 * @rac97: the pointer to store the new ac97 instance.
1861 * Creates an Codec97 component. An ac97_t instance is newly
1862 * allocated and initialized from the template. The codec
1863 * is then initialized by the standard procedure.
1865 * The template must include the codec number (num) and address (addr),
1866 * and the private data (private_data).
1868 * The ac97 instance is registered as a low-level device, so you don't
1869 * have to release it manually.
1871 * Returns zero if successful, or a negative error code on failure.
1873 int snd_ac97_mixer(ac97_bus_t
*bus
, ac97_template_t
*template, ac97_t
**rac97
)
1879 unsigned long end_time
;
1881 const ac97_codec_id_t
*pid
;
1882 static snd_device_ops_t ops
= {
1883 .dev_free
= snd_ac97_dev_free
,
1884 .dev_register
= snd_ac97_dev_register
,
1885 .dev_unregister
= snd_ac97_dev_unregister
,
1888 snd_assert(rac97
!= NULL
, return -EINVAL
);
1890 snd_assert(bus
!= NULL
&& template != NULL
, return -EINVAL
);
1891 snd_assert(template->num
< 4 && bus
->codec
[template->num
] == NULL
, return -EINVAL
);
1893 snd_assert(bus
->shared_type
<= AC97_SHARED_TYPES
, return -EINVAL
);
1894 if (bus
->shared_type
) {
1895 /* already shared? */
1896 down(&shared_codec_mutex
);
1897 ac97
= shared_codec
[bus
->shared_type
-1][template->num
];
1899 if ((ac97_is_audio(ac97
) && (template->scaps
& AC97_SCAP_SKIP_AUDIO
)) ||
1900 (ac97_is_modem(ac97
) && (template->scaps
& AC97_SCAP_SKIP_MODEM
))) {
1901 up(&shared_codec_mutex
);
1902 return -EACCES
; /* skip this */
1905 up(&shared_codec_mutex
);
1909 ac97
= kcalloc(1, sizeof(*ac97
), GFP_KERNEL
);
1912 ac97
->private_data
= template->private_data
;
1913 ac97
->private_free
= template->private_free
;
1915 ac97
->pci
= template->pci
;
1916 ac97
->num
= template->num
;
1917 ac97
->addr
= template->addr
;
1918 ac97
->scaps
= template->scaps
;
1919 ac97
->limited_regs
= template->limited_regs
;
1920 memcpy(ac97
->reg_accessed
, template->reg_accessed
, sizeof(ac97
->reg_accessed
));
1921 bus
->codec
[ac97
->num
] = ac97
;
1922 init_MUTEX(&ac97
->reg_mutex
);
1923 init_MUTEX(&ac97
->page_mutex
);
1926 pci_read_config_word(ac97
->pci
, PCI_SUBSYSTEM_VENDOR_ID
, &ac97
->subsystem_vendor
);
1927 pci_read_config_word(ac97
->pci
, PCI_SUBSYSTEM_ID
, &ac97
->subsystem_device
);
1929 if (bus
->ops
->reset
) {
1930 bus
->ops
->reset(ac97
);
1934 ac97
->id
= snd_ac97_read(ac97
, AC97_VENDOR_ID1
) << 16;
1935 ac97
->id
|= snd_ac97_read(ac97
, AC97_VENDOR_ID2
);
1936 if (ac97
->id
&& ac97
->id
!= (unsigned int)-1) {
1937 pid
= look_for_codec_id(snd_ac97_codec_ids
, ac97
->id
);
1938 if (pid
&& (pid
->flags
& AC97_DEFAULT_POWER_OFF
))
1942 /* reset to defaults */
1943 if (!(ac97
->scaps
& AC97_SCAP_SKIP_AUDIO
))
1944 snd_ac97_write(ac97
, AC97_RESET
, 0);
1945 if (!(ac97
->scaps
& AC97_SCAP_SKIP_MODEM
))
1946 snd_ac97_write(ac97
, AC97_EXTENDED_MID
, 0);
1948 bus
->ops
->wait(ac97
);
1951 if (ac97
->scaps
& AC97_SCAP_SKIP_AUDIO
)
1952 err
= ac97_reset_wait(ac97
, HZ
/2, 1);
1954 err
= ac97_reset_wait(ac97
, HZ
/2, 0);
1956 err
= ac97_reset_wait(ac97
, HZ
/2, 1);
1959 snd_printk(KERN_WARNING
"AC'97 %d does not respond - RESET\n", ac97
->num
);
1960 /* proceed anyway - it's often non-critical */
1964 ac97
->id
= snd_ac97_read(ac97
, AC97_VENDOR_ID1
) << 16;
1965 ac97
->id
|= snd_ac97_read(ac97
, AC97_VENDOR_ID2
);
1966 if (! (ac97
->scaps
& AC97_SCAP_DETECT_BY_VENDOR
) &&
1967 (ac97
->id
== 0x00000000 || ac97
->id
== 0xffffffff)) {
1968 snd_printk(KERN_ERR
"AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97
->num
, ac97
->id
);
1969 snd_ac97_free(ac97
);
1972 pid
= look_for_codec_id(snd_ac97_codec_ids
, ac97
->id
);
1974 ac97
->flags
|= pid
->flags
;
1976 /* test for AC'97 */
1977 if (!(ac97
->scaps
& AC97_SCAP_SKIP_AUDIO
) && !(ac97
->scaps
& AC97_SCAP_AUDIO
)) {
1978 /* test if we can write to the record gain volume register */
1979 snd_ac97_write_cache(ac97
, AC97_REC_GAIN
, 0x8a06);
1980 if (((err
= snd_ac97_read(ac97
, AC97_REC_GAIN
)) & 0x7fff) == 0x0a06)
1981 ac97
->scaps
|= AC97_SCAP_AUDIO
;
1983 if (ac97
->scaps
& AC97_SCAP_AUDIO
) {
1984 ac97
->caps
= snd_ac97_read(ac97
, AC97_RESET
);
1985 ac97
->ext_id
= snd_ac97_read(ac97
, AC97_EXTENDED_ID
);
1986 if (ac97
->ext_id
== 0xffff) /* invalid combination */
1990 /* test for MC'97 */
1991 if (!(ac97
->scaps
& AC97_SCAP_SKIP_MODEM
) && !(ac97
->scaps
& AC97_SCAP_MODEM
)) {
1992 ac97
->ext_mid
= snd_ac97_read(ac97
, AC97_EXTENDED_MID
);
1993 if (ac97
->ext_mid
== 0xffff) /* invalid combination */
1995 if (ac97
->ext_mid
& 1)
1996 ac97
->scaps
|= AC97_SCAP_MODEM
;
1999 if (!ac97_is_audio(ac97
) && !ac97_is_modem(ac97
)) {
2000 if (!(ac97
->scaps
& (AC97_SCAP_SKIP_AUDIO
|AC97_SCAP_SKIP_MODEM
)))
2001 snd_printk(KERN_ERR
"AC'97 %d access error (not audio or modem codec)\n", ac97
->num
);
2002 snd_ac97_free(ac97
);
2006 if (bus
->ops
->reset
) // FIXME: always skipping?
2009 /* FIXME: add powerdown control */
2010 if (ac97_is_audio(ac97
)) {
2011 /* nothing should be in powerdown mode */
2012 snd_ac97_write_cache(ac97
, AC97_POWERDOWN
, 0);
2013 if (! (ac97
->flags
& AC97_DEFAULT_POWER_OFF
)) {
2014 snd_ac97_write_cache(ac97
, AC97_RESET
, 0); /* reset to defaults */
2016 snd_ac97_write_cache(ac97
, AC97_POWERDOWN
, 0);
2018 /* nothing should be in powerdown mode */
2019 snd_ac97_write_cache(ac97
, AC97_GENERAL_PURPOSE
, 0);
2020 end_time
= jiffies
+ (HZ
/ 10);
2022 if ((snd_ac97_read(ac97
, AC97_POWERDOWN
) & 0x0f) == 0x0f)
2024 set_current_state(TASK_UNINTERRUPTIBLE
);
2025 schedule_timeout(1);
2026 } while (time_after_eq(end_time
, jiffies
));
2027 snd_printk(KERN_WARNING
"AC'97 %d analog subsections not ready\n", ac97
->num
);
2030 /* FIXME: add powerdown control */
2031 if (ac97_is_modem(ac97
)) {
2034 /* nothing should be in powerdown mode */
2035 /* note: it's important to set the rate at first */
2036 tmp
= AC97_MEA_GPIO
;
2037 if (ac97
->ext_mid
& AC97_MEI_LINE1
) {
2038 snd_ac97_write_cache(ac97
, AC97_LINE1_RATE
, 8000);
2039 tmp
|= AC97_MEA_ADC1
| AC97_MEA_DAC1
;
2041 if (ac97
->ext_mid
& AC97_MEI_LINE2
) {
2042 snd_ac97_write_cache(ac97
, AC97_LINE2_RATE
, 8000);
2043 tmp
|= AC97_MEA_ADC2
| AC97_MEA_DAC2
;
2045 if (ac97
->ext_mid
& AC97_MEI_HANDSET
) {
2046 snd_ac97_write_cache(ac97
, AC97_HANDSET_RATE
, 8000);
2047 tmp
|= AC97_MEA_HADC
| AC97_MEA_HDAC
;
2049 snd_ac97_write_cache(ac97
, AC97_EXTENDED_MSTATUS
, 0);
2051 /* nothing should be in powerdown mode */
2052 snd_ac97_write_cache(ac97
, AC97_EXTENDED_MSTATUS
, 0);
2053 end_time
= jiffies
+ (HZ
/ 10);
2055 if ((snd_ac97_read(ac97
, AC97_EXTENDED_MSTATUS
) & tmp
) == tmp
)
2057 set_current_state(TASK_UNINTERRUPTIBLE
);
2058 schedule_timeout(1);
2059 } while (time_after_eq(end_time
, jiffies
));
2060 snd_printk(KERN_WARNING
"MC'97 %d converters and GPIO not ready (0x%x)\n", ac97
->num
, snd_ac97_read(ac97
, AC97_EXTENDED_MSTATUS
));
2064 if (ac97_is_audio(ac97
))
2065 ac97
->addr
= (ac97
->ext_id
& AC97_EI_ADDR_MASK
) >> AC97_EI_ADDR_SHIFT
;
2067 ac97
->addr
= (ac97
->ext_mid
& AC97_MEI_ADDR_MASK
) >> AC97_MEI_ADDR_SHIFT
;
2068 if (ac97
->ext_id
& 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2069 reg
= snd_ac97_read(ac97
, AC97_EXTENDED_STATUS
);
2070 reg
|= ac97
->ext_id
& 0x01c0; /* LDAC/SDAC/CDAC */
2072 reg
|= ac97
->ext_id
& 0x0009; /* VRA/VRM */
2073 snd_ac97_write_cache(ac97
, AC97_EXTENDED_STATUS
, reg
);
2075 if ((ac97
->ext_id
& AC97_EI_DRA
) && bus
->dra
) {
2076 /* Intel controllers require double rate data to be put in
2077 * slots 7+8, so let's hope the codec supports it. */
2078 snd_ac97_update_bits(ac97
, AC97_GENERAL_PURPOSE
, AC97_GP_DRSS_MASK
, AC97_GP_DRSS_78
);
2079 if ((snd_ac97_read(ac97
, AC97_GENERAL_PURPOSE
) & AC97_GP_DRSS_MASK
) == AC97_GP_DRSS_78
)
2080 ac97
->flags
|= AC97_DOUBLE_RATE
;
2082 if (ac97
->ext_id
& AC97_EI_VRA
) { /* VRA support */
2083 snd_ac97_determine_rates(ac97
, AC97_PCM_FRONT_DAC_RATE
, 0, &ac97
->rates
[AC97_RATES_FRONT_DAC
]);
2084 snd_ac97_determine_rates(ac97
, AC97_PCM_LR_ADC_RATE
, 0, &ac97
->rates
[AC97_RATES_ADC
]);
2086 ac97
->rates
[AC97_RATES_FRONT_DAC
] = SNDRV_PCM_RATE_48000
;
2087 if (ac97
->flags
& AC97_DOUBLE_RATE
)
2088 ac97
->rates
[AC97_RATES_FRONT_DAC
] |= SNDRV_PCM_RATE_96000
;
2089 ac97
->rates
[AC97_RATES_ADC
] = SNDRV_PCM_RATE_48000
;
2091 if (ac97
->ext_id
& AC97_EI_SPDIF
) {
2092 /* codec specific code (patch) should override these values */
2093 ac97
->rates
[AC97_RATES_SPDIF
] = SNDRV_PCM_RATE_48000
| SNDRV_PCM_RATE_44100
| SNDRV_PCM_RATE_32000
;
2095 if (ac97
->ext_id
& AC97_EI_VRM
) { /* MIC VRA support */
2096 snd_ac97_determine_rates(ac97
, AC97_PCM_MIC_ADC_RATE
, 0, &ac97
->rates
[AC97_RATES_MIC_ADC
]);
2098 ac97
->rates
[AC97_RATES_MIC_ADC
] = SNDRV_PCM_RATE_48000
;
2100 if (ac97
->ext_id
& AC97_EI_SDAC
) { /* SDAC support */
2101 snd_ac97_determine_rates(ac97
, AC97_PCM_SURR_DAC_RATE
, AC97_PCM_FRONT_DAC_RATE
, &ac97
->rates
[AC97_RATES_SURR_DAC
]);
2102 ac97
->scaps
|= AC97_SCAP_SURROUND_DAC
;
2104 if (ac97
->ext_id
& AC97_EI_LDAC
) { /* LDAC support */
2105 snd_ac97_determine_rates(ac97
, AC97_PCM_LFE_DAC_RATE
, AC97_PCM_FRONT_DAC_RATE
, &ac97
->rates
[AC97_RATES_LFE_DAC
]);
2106 ac97
->scaps
|= AC97_SCAP_CENTER_LFE_DAC
;
2108 /* additional initializations */
2110 bus
->ops
->init(ac97
);
2111 snd_ac97_get_name(ac97
, ac97
->id
, name
, !ac97_is_audio(ac97
));
2112 snd_ac97_get_name(NULL
, ac97
->id
, name
, !ac97_is_audio(ac97
)); // ac97->id might be changed in the special setup code
2113 if (! ac97
->build_ops
)
2114 ac97
->build_ops
= &null_build_ops
;
2116 if (ac97_is_audio(ac97
)) {
2118 if (card
->mixername
[0] == '\0') {
2119 strcpy(card
->mixername
, name
);
2121 if (strlen(card
->mixername
) + 1 + strlen(name
) + 1 <= sizeof(card
->mixername
)) {
2122 strcat(card
->mixername
, ",");
2123 strcat(card
->mixername
, name
);
2126 sprintf(comp
, "AC97a:%08x", ac97
->id
);
2127 if ((err
= snd_component_add(card
, comp
)) < 0) {
2128 snd_ac97_free(ac97
);
2131 if (snd_ac97_mixer_build(ac97
) < 0) {
2132 snd_ac97_free(ac97
);
2136 if (ac97_is_modem(ac97
)) {
2138 if (card
->mixername
[0] == '\0') {
2139 strcpy(card
->mixername
, name
);
2141 if (strlen(card
->mixername
) + 1 + strlen(name
) + 1 <= sizeof(card
->mixername
)) {
2142 strcat(card
->mixername
, ",");
2143 strcat(card
->mixername
, name
);
2146 sprintf(comp
, "AC97m:%08x", ac97
->id
);
2147 if ((err
= snd_component_add(card
, comp
)) < 0) {
2148 snd_ac97_free(ac97
);
2151 if (snd_ac97_modem_build(card
, ac97
) < 0) {
2152 snd_ac97_free(ac97
);
2156 /* make sure the proper powerdown bits are cleared */
2158 reg
= snd_ac97_read(ac97
, AC97_EXTENDED_STATUS
);
2159 if (ac97
->scaps
& AC97_SCAP_SURROUND_DAC
)
2160 reg
&= ~AC97_EA_PRJ
;
2161 if (ac97
->scaps
& AC97_SCAP_CENTER_LFE_DAC
)
2162 reg
&= ~(AC97_EA_PRI
| AC97_EA_PRK
);
2163 snd_ac97_write_cache(ac97
, AC97_EXTENDED_STATUS
, reg
);
2165 snd_ac97_proc_init(ac97
);
2166 if ((err
= snd_device_new(card
, SNDRV_DEV_CODEC
, ac97
, &ops
)) < 0) {
2167 snd_ac97_free(ac97
);
2172 if (bus
->shared_type
) {
2173 down(&shared_codec_mutex
);
2174 shared_codec
[bus
->shared_type
-1][ac97
->num
] = ac97
;
2175 up(&shared_codec_mutex
);
2183 * Power down the chip.
2185 * MASTER and HEADPHONE registers are muted but the register cache values
2186 * are not changed, so that the values can be restored in snd_ac97_resume().
2188 static void snd_ac97_powerdown(ac97_t
*ac97
)
2190 unsigned short power
;
2192 if (ac97_is_audio(ac97
)) {
2193 /* some codecs have stereo mute bits */
2194 snd_ac97_write(ac97
, AC97_MASTER
, 0x9f9f);
2195 snd_ac97_write(ac97
, AC97_HEADPHONE
, 0x9f9f);
2198 power
= ac97
->regs
[AC97_POWERDOWN
] | 0x8000; /* EAPD */
2199 power
|= 0x4000; /* Headphone amplifier powerdown */
2200 power
|= 0x0300; /* ADC & DAC powerdown */
2201 snd_ac97_write(ac97
, AC97_POWERDOWN
, power
);
2203 power
|= 0x0400; /* Analog Mixer powerdown (Vref on) */
2204 snd_ac97_write(ac97
, AC97_POWERDOWN
, power
);
2207 /* FIXME: this causes click noises on some boards at resume */
2208 power
|= 0x3800; /* AC-link powerdown, internal Clk disable */
2209 snd_ac97_write(ac97
, AC97_POWERDOWN
, power
);
2216 * snd_ac97_suspend - General suspend function for AC97 codec
2217 * @ac97: the ac97 instance
2219 * Suspends the codec, power down the chip.
2221 void snd_ac97_suspend(ac97_t
*ac97
)
2223 if (ac97
->build_ops
->suspend
)
2224 ac97
->build_ops
->suspend(ac97
);
2225 snd_ac97_powerdown(ac97
);
2229 * restore ac97 status
2231 void snd_ac97_restore_status(ac97_t
*ac97
)
2235 for (i
= 2; i
< 0x7c ; i
+= 2) {
2236 if (i
== AC97_POWERDOWN
|| i
== AC97_EXTENDED_ID
)
2238 /* restore only accessible registers
2239 * some chip (e.g. nm256) may hang up when unsupported registers
2242 if (test_bit(i
, ac97
->reg_accessed
)) {
2243 snd_ac97_write(ac97
, i
, ac97
->regs
[i
]);
2244 snd_ac97_read(ac97
, i
);
2250 * restore IEC958 status
2252 void snd_ac97_restore_iec958(ac97_t
*ac97
)
2254 if (ac97
->ext_id
& AC97_EI_SPDIF
) {
2255 if (ac97
->regs
[AC97_EXTENDED_STATUS
] & AC97_EA_SPDIF
) {
2256 /* reset spdif status */
2257 snd_ac97_update_bits(ac97
, AC97_EXTENDED_STATUS
, AC97_EA_SPDIF
, 0);
2258 snd_ac97_write(ac97
, AC97_EXTENDED_STATUS
, ac97
->regs
[AC97_EXTENDED_STATUS
]);
2259 if (ac97
->flags
& AC97_CS_SPDIF
)
2260 snd_ac97_write(ac97
, AC97_CSR_SPDIF
, ac97
->regs
[AC97_CSR_SPDIF
]);
2262 snd_ac97_write(ac97
, AC97_SPDIF
, ac97
->regs
[AC97_SPDIF
]);
2263 snd_ac97_update_bits(ac97
, AC97_EXTENDED_STATUS
, AC97_EA_SPDIF
, AC97_EA_SPDIF
); /* turn on again */
2269 * snd_ac97_resume - General resume function for AC97 codec
2270 * @ac97: the ac97 instance
2272 * Do the standard resume procedure, power up and restoring the
2273 * old register values.
2275 void snd_ac97_resume(ac97_t
*ac97
)
2277 unsigned long end_time
;
2279 if (ac97
->bus
->ops
->reset
) {
2280 ac97
->bus
->ops
->reset(ac97
);
2284 snd_ac97_write(ac97
, AC97_POWERDOWN
, 0);
2285 if (! (ac97
->flags
& AC97_DEFAULT_POWER_OFF
)) {
2286 snd_ac97_write(ac97
, AC97_RESET
, 0);
2288 snd_ac97_write(ac97
, AC97_POWERDOWN
, 0);
2290 snd_ac97_write(ac97
, AC97_GENERAL_PURPOSE
, 0);
2292 snd_ac97_write(ac97
, AC97_POWERDOWN
, ac97
->regs
[AC97_POWERDOWN
]);
2293 if (ac97_is_audio(ac97
)) {
2294 ac97
->bus
->ops
->write(ac97
, AC97_MASTER
, 0x8101);
2295 end_time
= jiffies
+ msecs_to_jiffies(100);
2297 if (snd_ac97_read(ac97
, AC97_MASTER
) == 0x8101)
2299 set_current_state(TASK_UNINTERRUPTIBLE
);
2300 schedule_timeout(1);
2301 } while (time_after_eq(end_time
, jiffies
));
2302 /* FIXME: extra delay */
2303 ac97
->bus
->ops
->write(ac97
, AC97_MASTER
, 0x8000);
2304 if (snd_ac97_read(ac97
, AC97_MASTER
) != 0x8000)
2307 end_time
= jiffies
+ msecs_to_jiffies(100);
2309 unsigned short val
= snd_ac97_read(ac97
, AC97_EXTENDED_MID
);
2310 if (val
!= 0xffff && (val
& 1) != 0)
2312 set_current_state(TASK_UNINTERRUPTIBLE
);
2313 schedule_timeout(1);
2314 } while (time_after_eq(end_time
, jiffies
));
2318 if (ac97
->bus
->ops
->init
)
2319 ac97
->bus
->ops
->init(ac97
);
2321 if (ac97
->build_ops
->resume
)
2322 ac97
->build_ops
->resume(ac97
);
2324 snd_ac97_restore_status(ac97
);
2325 snd_ac97_restore_iec958(ac97
);
2334 static void set_ctl_name(char *dst
, const char *src
, const char *suffix
)
2337 sprintf(dst
, "%s %s", src
, suffix
);
2342 /* remove the control with the given name and optional suffix */
2343 int snd_ac97_remove_ctl(ac97_t
*ac97
, const char *name
, const char *suffix
)
2345 snd_ctl_elem_id_t id
;
2346 memset(&id
, 0, sizeof(id
));
2347 set_ctl_name(id
.name
, name
, suffix
);
2348 id
.iface
= SNDRV_CTL_ELEM_IFACE_MIXER
;
2349 return snd_ctl_remove_id(ac97
->bus
->card
, &id
);
2352 static snd_kcontrol_t
*ctl_find(ac97_t
*ac97
, const char *name
, const char *suffix
)
2354 snd_ctl_elem_id_t sid
;
2355 memset(&sid
, 0, sizeof(sid
));
2356 set_ctl_name(sid
.name
, name
, suffix
);
2357 sid
.iface
= SNDRV_CTL_ELEM_IFACE_MIXER
;
2358 return snd_ctl_find_id(ac97
->bus
->card
, &sid
);
2361 /* rename the control with the given name and optional suffix */
2362 int snd_ac97_rename_ctl(ac97_t
*ac97
, const char *src
, const char *dst
, const char *suffix
)
2364 snd_kcontrol_t
*kctl
= ctl_find(ac97
, src
, suffix
);
2366 set_ctl_name(kctl
->id
.name
, dst
, suffix
);
2372 /* rename both Volume and Switch controls - don't check the return value */
2373 void snd_ac97_rename_vol_ctl(ac97_t
*ac97
, const char *src
, const char *dst
)
2375 snd_ac97_rename_ctl(ac97
, src
, dst
, "Switch");
2376 snd_ac97_rename_ctl(ac97
, src
, dst
, "Volume");
2380 int snd_ac97_swap_ctl(ac97_t
*ac97
, const char *s1
, const char *s2
, const char *suffix
)
2382 snd_kcontrol_t
*kctl1
, *kctl2
;
2383 kctl1
= ctl_find(ac97
, s1
, suffix
);
2384 kctl2
= ctl_find(ac97
, s2
, suffix
);
2385 if (kctl1
&& kctl2
) {
2386 set_ctl_name(kctl1
->id
.name
, s2
, suffix
);
2387 set_ctl_name(kctl2
->id
.name
, s1
, suffix
);
2394 /* bind hp and master controls instead of using only hp control */
2395 static int bind_hp_volsw_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
2397 int err
= snd_ac97_put_volsw(kcontrol
, ucontrol
);
2399 unsigned long priv_saved
= kcontrol
->private_value
;
2400 kcontrol
->private_value
= (kcontrol
->private_value
& ~0xff) | AC97_HEADPHONE
;
2401 snd_ac97_put_volsw(kcontrol
, ucontrol
);
2402 kcontrol
->private_value
= priv_saved
;
2407 /* ac97 tune: bind Master and Headphone controls */
2408 static int tune_hp_only(ac97_t
*ac97
)
2410 snd_kcontrol_t
*msw
= ctl_find(ac97
, "Master Playback Switch", NULL
);
2411 snd_kcontrol_t
*mvol
= ctl_find(ac97
, "Master Playback Volume", NULL
);
2412 if (! msw
|| ! mvol
)
2414 msw
->put
= bind_hp_volsw_put
;
2415 mvol
->put
= bind_hp_volsw_put
;
2416 snd_ac97_remove_ctl(ac97
, "Headphone Playback", "Switch");
2417 snd_ac97_remove_ctl(ac97
, "Headphone Playback", "Volume");
2422 /* ac97 tune: use Headphone control as master */
2423 static int tune_hp_only(ac97_t
*ac97
)
2425 if (ctl_find(ac97
, "Headphone Playback Switch", NULL
) == NULL
)
2427 snd_ac97_remove_ctl(ac97
, "Master Playback", "Switch");
2428 snd_ac97_remove_ctl(ac97
, "Master Playback", "Volume");
2429 snd_ac97_rename_vol_ctl(ac97
, "Headphone Playback", "Master Playback");
2434 /* ac97 tune: swap Headphone and Master controls */
2435 static int tune_swap_hp(ac97_t
*ac97
)
2437 if (ctl_find(ac97
, "Headphone Playback Switch", NULL
) == NULL
)
2439 snd_ac97_rename_vol_ctl(ac97
, "Master Playback", "Line-Out Playback");
2440 snd_ac97_rename_vol_ctl(ac97
, "Headphone Playback", "Master Playback");
2444 /* ac97 tune: swap Surround and Master controls */
2445 static int tune_swap_surround(ac97_t
*ac97
)
2447 if (snd_ac97_swap_ctl(ac97
, "Master Playback", "Surround Playback", "Switch") ||
2448 snd_ac97_swap_ctl(ac97
, "Master Playback", "Surround Playback", "Volume"))
2453 /* ac97 tune: set up mic sharing for AD codecs */
2454 static int tune_ad_sharing(ac97_t
*ac97
)
2456 unsigned short scfg
;
2457 if ((ac97
->id
& 0xffffff00) != 0x41445300) {
2458 snd_printk(KERN_ERR
"ac97_quirk AD_SHARING is only for AD codecs\n");
2461 /* Turn on OMS bit to route microphone to back panel */
2462 scfg
= snd_ac97_read(ac97
, AC97_AD_SERIAL_CFG
);
2463 snd_ac97_write_cache(ac97
, AC97_AD_SERIAL_CFG
, scfg
| 0x0200);
2467 static const snd_kcontrol_new_t snd_ac97_alc_jack_detect
=
2468 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK
, 5, 1, 0);
2470 /* ac97 tune: set up ALC jack-select */
2471 static int tune_alc_jack(ac97_t
*ac97
)
2473 if ((ac97
->id
& 0xffffff00) != 0x414c4700) {
2474 snd_printk(KERN_ERR
"ac97_quirk ALC_JACK is only for Realtek codecs\n");
2477 snd_ac97_update_bits(ac97
, 0x7a, 0x20, 0x20); /* select jack detect function */
2478 snd_ac97_update_bits(ac97
, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2479 return snd_ctl_add(ac97
->bus
->card
, snd_ac97_cnew(&snd_ac97_alc_jack_detect
, ac97
));
2482 /* ac97 tune: inversed EAPD bit */
2483 static int tune_inv_eapd(ac97_t
*ac97
)
2485 snd_kcontrol_t
*kctl
= ctl_find(ac97
, "External Amplifier", NULL
);
2488 set_inv_eapd(ac97
, kctl
);
2492 static int master_mute_sw_put(snd_kcontrol_t
*kcontrol
, snd_ctl_elem_value_t
*ucontrol
)
2494 int err
= snd_ac97_put_volsw(kcontrol
, ucontrol
);
2496 ac97_t
*ac97
= snd_kcontrol_chip(kcontrol
);
2497 int shift
= (kcontrol
->private_value
>> 8) & 0x0f;
2498 int rshift
= (kcontrol
->private_value
>> 12) & 0x0f;
2499 unsigned short mask
;
2500 if (shift
!= rshift
)
2504 snd_ac97_update_bits(ac97
, AC97_POWERDOWN
, 0x8000,
2505 (ac97
->regs
[AC97_MASTER
] & mask
) == mask
?
2511 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2512 static int tune_mute_led(ac97_t
*ac97
)
2514 snd_kcontrol_t
*msw
= ctl_find(ac97
, "Master Playback Switch", NULL
);
2517 msw
->put
= master_mute_sw_put
;
2518 snd_ac97_remove_ctl(ac97
, "External Amplifier", NULL
);
2519 snd_ac97_update_bits(ac97
, AC97_POWERDOWN
, 0x8000, 0x8000); /* mute LED on */
2523 struct quirk_table
{
2525 int (*func
)(ac97_t
*);
2528 static struct quirk_table applicable_quirks
[] = {
2530 { "hp_only", tune_hp_only
},
2531 { "swap_hp", tune_swap_hp
},
2532 { "swap_surround", tune_swap_surround
},
2533 { "ad_sharing", tune_ad_sharing
},
2534 { "alc_jack", tune_alc_jack
},
2535 { "inv_eapd", tune_inv_eapd
},
2536 { "mute_led", tune_mute_led
},
2539 /* apply the quirk with the given type */
2540 static int apply_quirk(ac97_t
*ac97
, int type
)
2544 else if (type
>= ARRAY_SIZE(applicable_quirks
))
2546 if (applicable_quirks
[type
].func
)
2547 return applicable_quirks
[type
].func(ac97
);
2551 /* apply the quirk with the given name */
2552 static int apply_quirk_str(ac97_t
*ac97
, const char *typestr
)
2555 struct quirk_table
*q
;
2557 for (i
= 0; i
< ARRAY_SIZE(applicable_quirks
); i
++) {
2558 q
= &applicable_quirks
[i
];
2559 if (q
->name
&& ! strcmp(typestr
, q
->name
))
2560 return apply_quirk(ac97
, i
);
2562 /* for compatibility, accept the numbers, too */
2563 if (*typestr
>= '0' && *typestr
<= '9')
2564 return apply_quirk(ac97
, (int)simple_strtoul(typestr
, NULL
, 10));
2569 * snd_ac97_tune_hardware - tune up the hardware
2570 * @ac97: the ac97 instance
2571 * @quirk: quirk list
2572 * @override: explicit quirk value (overrides the list if non-NULL)
2574 * Do some workaround for each pci device, such as renaming of the
2575 * headphone (true line-out) control as "Master".
2576 * The quirk-list must be terminated with a zero-filled entry.
2578 * Returns zero if successful, or a negative error code on failure.
2581 int snd_ac97_tune_hardware(ac97_t
*ac97
, struct ac97_quirk
*quirk
, const char *override
)
2585 /* quirk overriden? */
2586 if (override
&& strcmp(override
, "-1") && strcmp(override
, "default")) {
2587 result
= apply_quirk_str(ac97
, override
);
2589 snd_printk(KERN_ERR
"applying quirk type %s failed (%d)\n", override
, result
);
2596 for (; quirk
->subvendor
; quirk
++) {
2597 if (quirk
->subvendor
!= ac97
->subsystem_vendor
)
2599 if ((! quirk
->mask
&& quirk
->subdevice
== ac97
->subsystem_device
) ||
2600 quirk
->subdevice
== (quirk
->mask
& ac97
->subsystem_device
)) {
2601 if (quirk
->codec_id
&& quirk
->codec_id
!= ac97
->id
)
2603 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk
->name
, ac97
->subsystem_vendor
, ac97
->subsystem_device
);
2604 result
= apply_quirk(ac97
, quirk
->type
);
2606 snd_printk(KERN_ERR
"applying quirk type %d for %s failed (%d)\n", quirk
->type
, quirk
->name
, result
);
2618 EXPORT_SYMBOL(snd_ac97_write
);
2619 EXPORT_SYMBOL(snd_ac97_read
);
2620 EXPORT_SYMBOL(snd_ac97_write_cache
);
2621 EXPORT_SYMBOL(snd_ac97_update
);
2622 EXPORT_SYMBOL(snd_ac97_update_bits
);
2623 EXPORT_SYMBOL(snd_ac97_get_short_name
);
2624 EXPORT_SYMBOL(snd_ac97_bus
);
2625 EXPORT_SYMBOL(snd_ac97_mixer
);
2626 EXPORT_SYMBOL(snd_ac97_pcm_assign
);
2627 EXPORT_SYMBOL(snd_ac97_pcm_open
);
2628 EXPORT_SYMBOL(snd_ac97_pcm_close
);
2629 EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules
);
2630 EXPORT_SYMBOL(snd_ac97_tune_hardware
);
2631 EXPORT_SYMBOL(snd_ac97_set_rate
);
2633 EXPORT_SYMBOL(snd_ac97_resume
);
2634 EXPORT_SYMBOL(snd_ac97_suspend
);
2641 static int __init
alsa_ac97_init(void)
2646 static void __exit
alsa_ac97_exit(void)
2650 module_init(alsa_ac97_init
)
2651 module_exit(alsa_ac97_exit
)