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Linux-2.6.12-rc2
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / sound / pci / ac97 / ac97_codec.c
blob0b024ec1f7096d2419c6243b57d9d1d1eff6c3c8
1 /*
2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * Universal interface for Audio Codec '97
4 *
5 * For more details look to AC '97 component specification revision 2.2
6 * by Intel Corporation (http://developer.intel.com).
7 *
8 *
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.
13 *
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.
18 *
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
22 *
23 */
24
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"
37 #include "ac97_id.h"
38 #include "ac97_patch.h"
39
40 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
41 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
42 MODULE_LICENSE("GPL");
43
44 static int enable_loopback;
45
46 module_param(enable_loopback, bool, 0444);
47 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
48
49 /*
50
51 */
52
53 typedef struct {
54 unsigned int id;
55 unsigned int mask;
56 const char *name;
57 int (*patch)(ac97_t *ac97);
58 int (*mpatch)(ac97_t *ac97);
59 unsigned int flags;
60 } ac97_codec_id_t;
61
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 }
87 };
88
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 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
116 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
117 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
118 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
119 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
120 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
121 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
122 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
123 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
124 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
125 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
126 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
127 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
128 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
129 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
130 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
131 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
132 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
133 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
134 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
135 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
136 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
137 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
138 { 0x454d4328, 0xffffffff, "28028", NULL, NULL }, // same as TR28028?
139 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
140 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
141 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
142 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
143 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
144 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
145 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
146 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
147 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
148 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
149 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
150 { 0x4e534350, 0xffffffff, "LM4550", NULL, NULL },
151 { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
152 { 0x53494c20, 0xffffffe0, "Si3036,8", NULL, mpatch_si3036 },
153 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
154 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
155 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
156 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
157 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
158 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
159 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
160 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
161 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
162 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
163 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
164 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
165 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
166 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
167 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
168 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
169 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
170 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
171 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
172 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
173 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
174 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
175 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
176 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
177 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
178 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
179 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
180 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
181 { 0, 0, NULL, NULL, NULL }
182 };
183
184 const char *snd_ac97_stereo_enhancements[] =
185 {
186 /* 0 */ "No 3D Stereo Enhancement",
187 /* 1 */ "Analog Devices Phat Stereo",
188 /* 2 */ "Creative Stereo Enhancement",
189 /* 3 */ "National Semi 3D Stereo Enhancement",
190 /* 4 */ "YAMAHA Ymersion",
191 /* 5 */ "BBE 3D Stereo Enhancement",
192 /* 6 */ "Crystal Semi 3D Stereo Enhancement",
193 /* 7 */ "Qsound QXpander",
194 /* 8 */ "Spatializer 3D Stereo Enhancement",
195 /* 9 */ "SRS 3D Stereo Enhancement",
196 /* 10 */ "Platform Tech 3D Stereo Enhancement",
197 /* 11 */ "AKM 3D Audio",
198 /* 12 */ "Aureal Stereo Enhancement",
199 /* 13 */ "Aztech 3D Enhancement",
200 /* 14 */ "Binaura 3D Audio Enhancement",
201 /* 15 */ "ESS Technology Stereo Enhancement",
202 /* 16 */ "Harman International VMAx",
203 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
204 /* 18 */ "Philips Incredible Sound",
205 /* 19 */ "Texas Instruments 3D Stereo Enhancement",
206 /* 20 */ "VLSI Technology 3D Stereo Enhancement",
207 /* 21 */ "TriTech 3D Stereo Enhancement",
208 /* 22 */ "Realtek 3D Stereo Enhancement",
209 /* 23 */ "Samsung 3D Stereo Enhancement",
210 /* 24 */ "Wolfson Microelectronics 3D Enhancement",
211 /* 25 */ "Delta Integration 3D Enhancement",
212 /* 26 */ "SigmaTel 3D Enhancement",
213 /* 27 */ "IC Ensemble/KS Waves",
214 /* 28 */ "Rockwell 3D Stereo Enhancement",
215 /* 29 */ "Reserved 29",
216 /* 30 */ "Reserved 30",
217 /* 31 */ "Reserved 31"
218 };
219
220 /*
221 * Shared AC97 controllers (ICH, ATIIXP...)
222 */
223 static DECLARE_MUTEX(shared_codec_mutex);
224 static ac97_t *shared_codec[AC97_SHARED_TYPES][4];
225
226
227 /*
228 * I/O routines
229 */
230
231 static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg)
232 {
233 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
234 return 0;
235
236 /* filter some registers for buggy codecs */
237 switch (ac97->id) {
238 case AC97_ID_AK4540:
239 case AC97_ID_AK4542:
240 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
241 return 1;
242 return 0;
243 case AC97_ID_AD1819: /* AD1819 */
244 case AC97_ID_AD1881: /* AD1881 */
245 case AC97_ID_AD1881A: /* AD1881A */
246 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
247 return 0;
248 return 1;
249 case AC97_ID_AD1885: /* AD1885 */
250 case AC97_ID_AD1886: /* AD1886 */
251 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
252 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
253 if (reg == 0x5a)
254 return 1;
255 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
256 return 0;
257 return 1;
258 case AC97_ID_STAC9700:
259 case AC97_ID_STAC9704:
260 case AC97_ID_STAC9705:
261 case AC97_ID_STAC9708:
262 case AC97_ID_STAC9721:
263 case AC97_ID_STAC9744:
264 case AC97_ID_STAC9756:
265 if (reg <= 0x3a || reg >= 0x5a)
266 return 1;
267 return 0;
268 }
269 return 1;
270 }
271
272 /**
273 * snd_ac97_write - write a value on the given register
274 * @ac97: the ac97 instance
275 * @reg: the register to change
276 * @value: the value to set
277 *
278 * Writes a value on the given register. This will invoke the write
279 * callback directly after the register check.
280 * This function doesn't change the register cache unlike
281 * #snd_ca97_write_cache(), so use this only when you don't want to
282 * reflect the change to the suspend/resume state.
283 */
284 void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value)
285 {
286 if (!snd_ac97_valid_reg(ac97, reg))
287 return;
288 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
289 /* Fix H/W bug of ALC100/100P */
290 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
291 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
292 }
293 ac97->bus->ops->write(ac97, reg, value);
294 }
295
296 /**
297 * snd_ac97_read - read a value from the given register
298 *
299 * @ac97: the ac97 instance
300 * @reg: the register to read
301 *
302 * Reads a value from the given register. This will invoke the read
303 * callback directly after the register check.
304 *
305 * Returns the read value.
306 */
307 unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg)
308 {
309 if (!snd_ac97_valid_reg(ac97, reg))
310 return 0;
311 return ac97->bus->ops->read(ac97, reg);
312 }
313
314 /* read a register - return the cached value if already read */
315 static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short reg)
316 {
317 if (! test_bit(reg, ac97->reg_accessed)) {
318 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
319 // set_bit(reg, ac97->reg_accessed);
320 }
321 return ac97->regs[reg];
322 }
323
324 /**
325 * snd_ac97_write_cache - write a value on the given register and update the cache
326 * @ac97: the ac97 instance
327 * @reg: the register to change
328 * @value: the value to set
329 *
330 * Writes a value on the given register and updates the register
331 * cache. The cached values are used for the cached-read and the
332 * suspend/resume.
333 */
334 void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value)
335 {
336 if (!snd_ac97_valid_reg(ac97, reg))
337 return;
338 down(&ac97->reg_mutex);
339 ac97->regs[reg] = value;
340 ac97->bus->ops->write(ac97, reg, value);
341 set_bit(reg, ac97->reg_accessed);
342 up(&ac97->reg_mutex);
343 }
344
345 /**
346 * snd_ac97_update - update the value on the given register
347 * @ac97: the ac97 instance
348 * @reg: the register to change
349 * @value: the value to set
350 *
351 * Compares the value with the register cache and updates the value
352 * only when the value is changed.
353 *
354 * Returns 1 if the value is changed, 0 if no change, or a negative
355 * code on failure.
356 */
357 int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value)
358 {
359 int change;
360
361 if (!snd_ac97_valid_reg(ac97, reg))
362 return -EINVAL;
363 down(&ac97->reg_mutex);
364 change = ac97->regs[reg] != value;
365 if (change) {
366 ac97->regs[reg] = value;
367 ac97->bus->ops->write(ac97, reg, value);
368 }
369 up(&ac97->reg_mutex);
370 return change;
371 }
372
373 /**
374 * snd_ac97_update_bits - update the bits on the given register
375 * @ac97: the ac97 instance
376 * @reg: the register to change
377 * @mask: the bit-mask to change
378 * @value: the value to set
379 *
380 * Updates the masked-bits on the given register only when the value
381 * is changed.
382 *
383 * Returns 1 if the bits are changed, 0 if no change, or a negative
384 * code on failure.
385 */
386 int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value)
387 {
388 int change;
389
390 if (!snd_ac97_valid_reg(ac97, reg))
391 return -EINVAL;
392 down(&ac97->reg_mutex);
393 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
394 up(&ac97->reg_mutex);
395 return change;
396 }
397
398 /* no lock version - see snd_ac97_updat_bits() */
399 int snd_ac97_update_bits_nolock(ac97_t *ac97, unsigned short reg,
400 unsigned short mask, unsigned short value)
401 {
402 int change;
403 unsigned short old, new;
404
405 old = snd_ac97_read_cache(ac97, reg);
406 new = (old & ~mask) | value;
407 change = old != new;
408 if (change) {
409 ac97->regs[reg] = new;
410 ac97->bus->ops->write(ac97, reg, new);
411 }
412 return change;
413 }
414
415 static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value)
416 {
417 int change;
418 unsigned short old, new, cfg;
419
420 down(&ac97->page_mutex);
421 old = ac97->spec.ad18xx.pcmreg[codec];
422 new = (old & ~mask) | value;
423 change = old != new;
424 if (change) {
425 down(&ac97->reg_mutex);
426 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
427 ac97->spec.ad18xx.pcmreg[codec] = new;
428 /* select single codec */
429 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
430 (cfg & ~0x7000) |
431 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
432 /* update PCM bits */
433 ac97->bus->ops->write(ac97, AC97_PCM, new);
434 /* select all codecs */
435 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
436 cfg | 0x7000);
437 up(&ac97->reg_mutex);
438 }
439 up(&ac97->page_mutex);
440 return change;
441 }
442
443 /*
444 * Controls
445 */
446
447 int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
448 {
449 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
450
451 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
452 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
453 uinfo->value.enumerated.items = e->mask;
454
455 if (uinfo->value.enumerated.item > e->mask - 1)
456 uinfo->value.enumerated.item = e->mask - 1;
457 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
458 return 0;
459 }
460
461 int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
462 {
463 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
464 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
465 unsigned short val;
466
467 val = snd_ac97_read_cache(ac97, e->reg);
468 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (e->mask - 1);
469 if (e->shift_l != e->shift_r)
470 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (e->mask - 1);
471
472 return 0;
473 }
474
475 int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
476 {
477 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
478 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
479 unsigned short val;
480 unsigned short mask;
481
482 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
483 return -EINVAL;
484 val = ucontrol->value.enumerated.item[0] << e->shift_l;
485 mask = (e->mask - 1) << e->shift_l;
486 if (e->shift_l != e->shift_r) {
487 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
488 return -EINVAL;
489 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
490 mask |= (e->mask - 1) << e->shift_r;
491 }
492 return snd_ac97_update_bits(ac97, e->reg, mask, val);
493 }
494
495 /* save/restore ac97 v2.3 paging */
496 static int snd_ac97_page_save(ac97_t *ac97, int reg, snd_kcontrol_t *kcontrol)
497 {
498 int page_save = -1;
499 if ((kcontrol->private_value & (1<<25)) &&
500 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
501 (reg >= 0x60 && reg < 0x70)) {
502 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
503 down(&ac97->page_mutex); /* lock paging */
504 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
505 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
506 }
507 return page_save;
508 }
509
510 static void snd_ac97_page_restore(ac97_t *ac97, int page_save)
511 {
512 if (page_save >= 0) {
513 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
514 up(&ac97->page_mutex); /* unlock paging */
515 }
516 }
517
518 /* volume and switch controls */
519 int snd_ac97_info_volsw(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
520 {
521 int mask = (kcontrol->private_value >> 16) & 0xff;
522 int shift = (kcontrol->private_value >> 8) & 0x0f;
523 int rshift = (kcontrol->private_value >> 12) & 0x0f;
524
525 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
526 uinfo->count = shift == rshift ? 1 : 2;
527 uinfo->value.integer.min = 0;
528 uinfo->value.integer.max = mask;
529 return 0;
530 }
531
532 int snd_ac97_get_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
533 {
534 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
535 int reg = kcontrol->private_value & 0xff;
536 int shift = (kcontrol->private_value >> 8) & 0x0f;
537 int rshift = (kcontrol->private_value >> 12) & 0x0f;
538 int mask = (kcontrol->private_value >> 16) & 0xff;
539 int invert = (kcontrol->private_value >> 24) & 0x01;
540 int page_save;
541
542 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
543 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
544 if (shift != rshift)
545 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
546 if (invert) {
547 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
548 if (shift != rshift)
549 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
550 }
551 snd_ac97_page_restore(ac97, page_save);
552 return 0;
553 }
554
555 int snd_ac97_put_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
556 {
557 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
558 int reg = kcontrol->private_value & 0xff;
559 int shift = (kcontrol->private_value >> 8) & 0x0f;
560 int rshift = (kcontrol->private_value >> 12) & 0x0f;
561 int mask = (kcontrol->private_value >> 16) & 0xff;
562 int invert = (kcontrol->private_value >> 24) & 0x01;
563 int err, page_save;
564 unsigned short val, val2, val_mask;
565
566 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
567 val = (ucontrol->value.integer.value[0] & mask);
568 if (invert)
569 val = mask - val;
570 val_mask = mask << shift;
571 val = val << shift;
572 if (shift != rshift) {
573 val2 = (ucontrol->value.integer.value[1] & mask);
574 if (invert)
575 val2 = mask - val2;
576 val_mask |= mask << rshift;
577 val |= val2 << rshift;
578 }
579 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
580 snd_ac97_page_restore(ac97, page_save);
581 return err;
582 }
583
584 static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = {
585 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
586 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
587 };
588
589 static const snd_kcontrol_new_t snd_ac97_controls_tone[2] = {
590 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
591 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
592 };
593
594 static const snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = {
595 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
596 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
597 };
598
599 static const snd_kcontrol_new_t snd_ac97_controls_mic_boost =
600 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
601
602
603 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
604 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
605 static const char* std_mix[] = {"Mix", "Mic"};
606 static const char* std_mic[] = {"Mic1", "Mic2"};
607
608 static const struct ac97_enum std_enum[] = {
609 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
610 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
611 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
612 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
613 };
614
615 static const snd_kcontrol_new_t snd_ac97_control_capture_src =
616 AC97_ENUM("Capture Source", std_enum[0]);
617
618 static const snd_kcontrol_new_t snd_ac97_control_capture_vol =
619 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
620
621 static const snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = {
622 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
623 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
624 };
625
626 typedef enum {
627 AC97_GENERAL_PCM_OUT = 0,
628 AC97_GENERAL_STEREO_ENHANCEMENT,
629 AC97_GENERAL_3D,
630 AC97_GENERAL_LOUDNESS,
631 AC97_GENERAL_MONO,
632 AC97_GENERAL_MIC,
633 AC97_GENERAL_LOOPBACK
634 } ac97_general_index_t;
635
636 static const snd_kcontrol_new_t snd_ac97_controls_general[7] = {
637 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
638 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
639 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
640 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
641 AC97_ENUM("Mono Output Select", std_enum[2]),
642 AC97_ENUM("Mic Select", std_enum[3]),
643 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
644 };
645
646 const snd_kcontrol_new_t snd_ac97_controls_3d[2] = {
647 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
648 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
649 };
650
651 static const snd_kcontrol_new_t snd_ac97_controls_center[2] = {
652 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
653 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
654 };
655
656 static const snd_kcontrol_new_t snd_ac97_controls_lfe[2] = {
657 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
658 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
659 };
660
661 static const snd_kcontrol_new_t snd_ac97_controls_surround[2] = {
662 AC97_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1),
663 AC97_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1),
664 };
665
666 static const snd_kcontrol_new_t snd_ac97_control_eapd =
667 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
668
669 /* change the existing EAPD control as inverted */
670 static void set_inv_eapd(ac97_t *ac97, snd_kcontrol_t *kctl)
671 {
672 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
673 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
674 ac97->scaps |= AC97_SCAP_INV_EAPD;
675 }
676
677 static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
678 {
679 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
680 uinfo->count = 1;
681 return 0;
682 }
683
684 static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
685 {
686 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
687 IEC958_AES0_NONAUDIO |
688 IEC958_AES0_CON_EMPHASIS_5015 |
689 IEC958_AES0_CON_NOT_COPYRIGHT;
690 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
691 IEC958_AES1_CON_ORIGINAL;
692 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
693 return 0;
694 }
695
696 static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
697 {
698 /* FIXME: AC'97 spec doesn't say which bits are used for what */
699 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
700 IEC958_AES0_NONAUDIO |
701 IEC958_AES0_PRO_FS |
702 IEC958_AES0_PRO_EMPHASIS_5015;
703 return 0;
704 }
705
706 static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
707 {
708 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
709
710 down(&ac97->reg_mutex);
711 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
712 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
713 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
714 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
715 up(&ac97->reg_mutex);
716 return 0;
717 }
718
719 static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
720 {
721 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
722 unsigned int new = 0;
723 unsigned short val = 0;
724 int change;
725
726 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
727 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
728 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
729 switch (new & IEC958_AES0_PRO_FS) {
730 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
731 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
732 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
733 default: val |= 1<<12; break;
734 }
735 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
736 val |= 1<<3;
737 } else {
738 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
739 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
740 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
741 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
742 val |= 1<<3;
743 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
744 val |= 1<<2;
745 val |= ((new >> 8) & 0xff) << 4; // category + original
746 switch ((new >> 24) & 0xff) {
747 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
748 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
749 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
750 default: val |= 1<<12; break;
751 }
752 }
753
754 down(&ac97->reg_mutex);
755 change = ac97->spdif_status != new;
756 ac97->spdif_status = new;
757
758 if (ac97->flags & AC97_CS_SPDIF) {
759 int x = (val >> 12) & 0x03;
760 switch (x) {
761 case 0: x = 1; break; // 44.1
762 case 2: x = 0; break; // 48.0
763 default: x = 0; break; // illegal.
764 }
765 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
766 } else if (ac97->flags & AC97_CX_SPDIF) {
767 int v;
768 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
769 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
770 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
771 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
772 v);
773 } else {
774 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
775 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
776
777 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
778 if (extst & AC97_EA_SPDIF) {
779 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
780 }
781 }
782 up(&ac97->reg_mutex);
783
784 return change;
785 }
786
787 static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
788 {
789 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
790 int reg = kcontrol->private_value & 0xff;
791 int shift = (kcontrol->private_value >> 8) & 0xff;
792 int mask = (kcontrol->private_value >> 16) & 0xff;
793 // int invert = (kcontrol->private_value >> 24) & 0xff;
794 unsigned short value, old, new;
795 int change;
796
797 value = (ucontrol->value.integer.value[0] & mask);
798
799 down(&ac97->reg_mutex);
800 mask <<= shift;
801 value <<= shift;
802 old = snd_ac97_read_cache(ac97, reg);
803 new = (old & ~mask) | value;
804 change = old != new;
805
806 if (change) {
807 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
808 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
809 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
810 if (extst & AC97_EA_SPDIF)
811 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
812 }
813 up(&ac97->reg_mutex);
814 return change;
815 }
816
817 const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = {
818 {
819 .access = SNDRV_CTL_ELEM_ACCESS_READ,
820 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
821 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
822 .info = snd_ac97_spdif_mask_info,
823 .get = snd_ac97_spdif_cmask_get,
824 },
825 {
826 .access = SNDRV_CTL_ELEM_ACCESS_READ,
827 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
828 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
829 .info = snd_ac97_spdif_mask_info,
830 .get = snd_ac97_spdif_pmask_get,
831 },
832 {
833 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
834 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
835 .info = snd_ac97_spdif_mask_info,
836 .get = snd_ac97_spdif_default_get,
837 .put = snd_ac97_spdif_default_put,
838 },
839
840 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
841 {
842 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
843 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
844 .info = snd_ac97_info_volsw,
845 .get = snd_ac97_get_volsw,
846 .put = snd_ac97_put_spsa,
847 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
848 },
849 };
850
851 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
852 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
853 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
854 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
855
856 static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
857 {
858 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
859 int mask = (kcontrol->private_value >> 16) & 0x0f;
860 int lshift = (kcontrol->private_value >> 8) & 0x0f;
861 int rshift = (kcontrol->private_value >> 12) & 0x0f;
862
863 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
864 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
865 uinfo->count = 2;
866 else
867 uinfo->count = 1;
868 uinfo->value.integer.min = 0;
869 uinfo->value.integer.max = mask;
870 return 0;
871 }
872
873 static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
874 {
875 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
876 int codec = kcontrol->private_value & 3;
877 int lshift = (kcontrol->private_value >> 8) & 0x0f;
878 int rshift = (kcontrol->private_value >> 12) & 0x0f;
879 int mask = (kcontrol->private_value >> 16) & 0xff;
880
881 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
882 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
883 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
884 return 0;
885 }
886
887 static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
888 {
889 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
890 int codec = kcontrol->private_value & 3;
891 int lshift = (kcontrol->private_value >> 8) & 0x0f;
892 int rshift = (kcontrol->private_value >> 12) & 0x0f;
893 int mask = (kcontrol->private_value >> 16) & 0xff;
894 unsigned short val, valmask;
895
896 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
897 valmask = mask << lshift;
898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
899 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
900 valmask |= mask << rshift;
901 }
902 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
903 }
904
905 #define AD18XX_PCM_VOLUME(xname, codec) \
906 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
907 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
908 .private_value = codec }
909
910 static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
911 {
912 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
913 uinfo->count = 2;
914 uinfo->value.integer.min = 0;
915 uinfo->value.integer.max = 31;
916 return 0;
917 }
918
919 static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
920 {
921 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
922 int codec = kcontrol->private_value & 3;
923
924 down(&ac97->page_mutex);
925 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
926 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
927 up(&ac97->page_mutex);
928 return 0;
929 }
930
931 static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
932 {
933 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
934 int codec = kcontrol->private_value & 3;
935 unsigned short val1, val2;
936
937 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
938 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
939 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
940 }
941
942 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = {
943 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
944 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
945 };
946
947 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = {
948 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
949 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
950 };
951
952 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = {
953 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
954 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
955 };
956
957 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = {
958 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
959 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
960 };
961
962 /*
963 *
964 */
965
966 static void snd_ac97_powerdown(ac97_t *ac97);
967
968 static int snd_ac97_bus_free(ac97_bus_t *bus)
969 {
970 if (bus) {
971 snd_ac97_bus_proc_done(bus);
972 kfree(bus->pcms);
973 if (bus->private_free)
974 bus->private_free(bus);
975 kfree(bus);
976 }
977 return 0;
978 }
979
980 static int snd_ac97_bus_dev_free(snd_device_t *device)
981 {
982 ac97_bus_t *bus = device->device_data;
983 return snd_ac97_bus_free(bus);
984 }
985
986 static int snd_ac97_free(ac97_t *ac97)
987 {
988 if (ac97) {
989 snd_ac97_proc_done(ac97);
990 if (ac97->bus) {
991 ac97->bus->codec[ac97->num] = NULL;
992 if (ac97->bus->shared_type) {
993 down(&shared_codec_mutex);
994 shared_codec[ac97->bus->shared_type-1][ac97->num] = NULL;
995 up(&shared_codec_mutex);
996 }
997 }
998 if (ac97->private_free)
999 ac97->private_free(ac97);
1000 kfree(ac97);
1001 }
1002 return 0;
1003 }
1004
1005 static int snd_ac97_dev_free(snd_device_t *device)
1006 {
1007 ac97_t *ac97 = device->device_data;
1008 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1009 return snd_ac97_free(ac97);
1010 }
1011
1012 static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg)
1013 {
1014 unsigned short val, mask = 0x8000;
1015
1016 if (! snd_ac97_valid_reg(ac97, reg))
1017 return 0;
1018
1019 switch (reg) {
1020 case AC97_MASTER_TONE:
1021 return ac97->caps & 0x04 ? 1 : 0;
1022 case AC97_HEADPHONE:
1023 return ac97->caps & 0x10 ? 1 : 0;
1024 case AC97_REC_GAIN_MIC:
1025 return ac97->caps & 0x01 ? 1 : 0;
1026 case AC97_3D_CONTROL:
1027 if (ac97->caps & 0x7c00) {
1028 val = snd_ac97_read(ac97, reg);
1029 /* if nonzero - fixed and we can't set it */
1030 return val == 0;
1031 }
1032 return 0;
1033 case AC97_CENTER_LFE_MASTER: /* center */
1034 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1035 return 0;
1036 break;
1037 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1038 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1039 return 0;
1040 reg = AC97_CENTER_LFE_MASTER;
1041 mask = 0x0080;
1042 break;
1043 case AC97_SURROUND_MASTER:
1044 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1045 return 0;
1046 break;
1047 }
1048
1049 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1050 return 1; /* allow without check */
1051
1052 val = snd_ac97_read(ac97, reg);
1053 if (!(val & mask)) {
1054 /* nothing seems to be here - mute flag is not set */
1055 /* try another test */
1056 snd_ac97_write_cache(ac97, reg, val | mask);
1057 val = snd_ac97_read(ac97, reg);
1058 if (!(val & mask))
1059 return 0; /* nothing here */
1060 }
1061 return 1; /* success, useable */
1062 }
1063
1064 static void check_volume_resolution(ac97_t *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1065 {
1066 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1067 unsigned char max[3] = { 63, 31, 15 };
1068 int i;
1069
1070 *lo_max = *hi_max = 0;
1071 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1072 unsigned short val;
1073 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1074 val = snd_ac97_read(ac97, reg);
1075 if (! *lo_max && (val & cbit[i]))
1076 *lo_max = max[i];
1077 if (! *hi_max && (val & (cbit[i] << 8)))
1078 *hi_max = max[i];
1079 if (*lo_max && *hi_max)
1080 break;
1081 }
1082 }
1083
1084 int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit)
1085 {
1086 unsigned short mask, val, orig, res;
1087
1088 mask = 1 << bit;
1089 orig = snd_ac97_read(ac97, reg);
1090 val = orig ^ mask;
1091 snd_ac97_write(ac97, reg, val);
1092 res = snd_ac97_read(ac97, reg);
1093 snd_ac97_write_cache(ac97, reg, orig);
1094 return res == val;
1095 }
1096
1097 /* check the volume resolution of center/lfe */
1098 static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max)
1099 {
1100 unsigned short val, val1;
1101
1102 *max = 63;
1103 val = 0x8080 | (0x20 << shift);
1104 snd_ac97_write(ac97, reg, val);
1105 val1 = snd_ac97_read(ac97, reg);
1106 if (val != val1) {
1107 *max = 31;
1108 }
1109 /* reset volume to zero */
1110 snd_ac97_write_cache(ac97, reg, 0x8080);
1111 }
1112
1113 static inline int printable(unsigned int x)
1114 {
1115 x &= 0xff;
1116 if (x < ' ' || x >= 0x71) {
1117 if (x <= 0x89)
1118 return x - 0x71 + 'A';
1119 return '?';
1120 }
1121 return x;
1122 }
1123
1124 snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97)
1125 {
1126 snd_kcontrol_new_t template;
1127 memcpy(&template, _template, sizeof(template));
1128 snd_runtime_check(!template.index, return NULL);
1129 template.index = ac97->num;
1130 return snd_ctl_new1(&template, ac97);
1131 }
1132
1133 /*
1134 * create mute switch(es) for normal stereo controls
1135 */
1136 static int snd_ac97_cmute_new_stereo(snd_card_t *card, char *name, int reg, int check_stereo, ac97_t *ac97)
1137 {
1138 snd_kcontrol_t *kctl;
1139 int err;
1140 unsigned short val, val1, mute_mask;
1141
1142 if (! snd_ac97_valid_reg(ac97, reg))
1143 return 0;
1144
1145 mute_mask = 0x8000;
1146 val = snd_ac97_read(ac97, reg);
1147 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1148 /* check whether both mute bits work */
1149 val1 = val | 0x8080;
1150 snd_ac97_write(ac97, reg, val1);
1151 if (val1 == snd_ac97_read(ac97, reg))
1152 mute_mask = 0x8080;
1153 }
1154 if (mute_mask == 0x8080) {
1155 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1156 tmp.index = ac97->num;
1157 kctl = snd_ctl_new1(&tmp, ac97);
1158 } else {
1159 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1160 tmp.index = ac97->num;
1161 kctl = snd_ctl_new1(&tmp, ac97);
1162 }
1163 err = snd_ctl_add(card, kctl);
1164 if (err < 0)
1165 return err;
1166 /* mute as default */
1167 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1168 return 0;
1169 }
1170
1171 /*
1172 * create a volume for normal stereo/mono controls
1173 */
1174 static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int lo_max,
1175 unsigned int hi_max, ac97_t *ac97)
1176 {
1177 int err;
1178 snd_kcontrol_t *kctl;
1179
1180 if (! snd_ac97_valid_reg(ac97, reg))
1181 return 0;
1182 if (hi_max) {
1183 /* invert */
1184 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1185 tmp.index = ac97->num;
1186 kctl = snd_ctl_new1(&tmp, ac97);
1187 } else {
1188 /* invert */
1189 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1190 tmp.index = ac97->num;
1191 kctl = snd_ctl_new1(&tmp, ac97);
1192 }
1193 err = snd_ctl_add(card, kctl);
1194 if (err < 0)
1195 return err;
1196 snd_ac97_write_cache(ac97, reg,
1197 (snd_ac97_read(ac97, reg) & 0x8080) |
1198 lo_max | (hi_max << 8));
1199 return 0;
1200 }
1201
1202 /*
1203 * create a mute-switch and a volume for normal stereo/mono controls
1204 */
1205 static int snd_ac97_cmix_new_stereo(snd_card_t *card, const char *pfx, int reg, int check_stereo, ac97_t *ac97)
1206 {
1207 int err;
1208 char name[44];
1209 unsigned char lo_max, hi_max;
1210
1211 if (! snd_ac97_valid_reg(ac97, reg))
1212 return 0;
1213
1214 if (snd_ac97_try_bit(ac97, reg, 15)) {
1215 sprintf(name, "%s Switch", pfx);
1216 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1217 return err;
1218 }
1219 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1220 if (lo_max) {
1221 sprintf(name, "%s Volume", pfx);
1222 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1223 return err;
1224 }
1225 return 0;
1226 }
1227
1228 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1229 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1230
1231 static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97);
1232
1233 static int snd_ac97_mixer_build(ac97_t * ac97)
1234 {
1235 snd_card_t *card = ac97->bus->card;
1236 snd_kcontrol_t *kctl;
1237 int err;
1238 unsigned int idx;
1239 unsigned char max;
1240
1241 /* build master controls */
1242 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1243 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1244 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1245 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1246 else
1247 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1248 if (err < 0)
1249 return err;
1250 }
1251
1252 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1253
1254 /* build center controls */
1255 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1256 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1257 return err;
1258 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1259 return err;
1260 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1261 kctl->private_value &= ~(0xff << 16);
1262 kctl->private_value |= (int)max << 16;
1263 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1264 }
1265
1266 /* build LFE controls */
1267 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1268 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1269 return err;
1270 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1271 return err;
1272 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1273 kctl->private_value &= ~(0xff << 16);
1274 kctl->private_value |= (int)max << 16;
1275 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1276 }
1277
1278 /* build surround controls */
1279 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1280 /* Surround Master (0x38) is with stereo mutes */
1281 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1282 return err;
1283 }
1284
1285 /* build headphone controls */
1286 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1287 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1288 return err;
1289 }
1290
1291 /* build master mono controls */
1292 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1293 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1294 return err;
1295 }
1296
1297 /* build master tone controls */
1298 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1299 for (idx = 0; idx < 2; idx++) {
1300 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1301 return err;
1302 if (ac97->id == AC97_ID_YMF753) {
1303 kctl->private_value &= ~(0xff << 16);
1304 kctl->private_value |= 7 << 16;
1305 }
1306 }
1307 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1308 }
1309
1310 /* build PC Speaker controls */
1311 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1312 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1313 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1314 for (idx = 0; idx < 2; idx++)
1315 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1316 return err;
1317 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1318 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1319 }
1320
1321 /* build Phone controls */
1322 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1323 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1324 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1325 return err;
1326 }
1327 }
1328
1329 /* build MIC controls */
1330 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1331 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1332 return err;
1333 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1334 return err;
1335 }
1336
1337 /* build Line controls */
1338 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1339 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1340 return err;
1341 }
1342
1343 /* build CD controls */
1344 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1345 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1346 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1347 return err;
1348 }
1349 }
1350
1351 /* build Video controls */
1352 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1353 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1354 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1355 return err;
1356 }
1357 }
1358
1359 /* build Aux controls */
1360 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1361 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1362 return err;
1363 }
1364
1365 /* build PCM controls */
1366 if (ac97->flags & AC97_AD_MULTI) {
1367 unsigned short init_val;
1368 if (ac97->flags & AC97_STEREO_MUTES)
1369 init_val = 0x9f9f;
1370 else
1371 init_val = 0x9f1f;
1372 for (idx = 0; idx < 2; idx++)
1373 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1374 return err;
1375 ac97->spec.ad18xx.pcmreg[0] = init_val;
1376 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1377 for (idx = 0; idx < 2; idx++)
1378 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1379 return err;
1380 ac97->spec.ad18xx.pcmreg[1] = init_val;
1381 }
1382 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1383 for (idx = 0; idx < 2; idx++)
1384 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1385 return err;
1386 for (idx = 0; idx < 2; idx++)
1387 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1388 return err;
1389 ac97->spec.ad18xx.pcmreg[2] = init_val;
1390 }
1391 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1392 } else {
1393 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1394 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1395 else
1396 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1397 if (err < 0)
1398 return err;
1399 }
1400
1401 /* build Capture controls */
1402 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1403 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1404 return err;
1405 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1406 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1407 return err;
1408 }
1409 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1410 return err;
1411 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1412 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1413 }
1414 /* build MIC Capture controls */
1415 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1416 for (idx = 0; idx < 2; idx++)
1417 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1418 return err;
1419 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1420 }
1421
1422 /* build PCM out path & mute control */
1423 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1424 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1425 return err;
1426 }
1427
1428 /* build Simulated Stereo Enhancement control */
1429 if (ac97->caps & 0x0008) {
1430 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1431 return err;
1432 }
1433
1434 /* build 3D Stereo Enhancement control */
1435 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1436 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1437 return err;
1438 }
1439
1440 /* build Loudness control */
1441 if (ac97->caps & 0x0020) {
1442 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1443 return err;
1444 }
1445
1446 /* build Mono output select control */
1447 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1448 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1449 return err;
1450 }
1451
1452 /* build Mic select control */
1453 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1454 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1455 return err;
1456 }
1457
1458 /* build ADC/DAC loopback control */
1459 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1460 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1461 return err;
1462 }
1463
1464 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1465
1466 /* build 3D controls */
1467 if (ac97->build_ops->build_3d) {
1468 ac97->build_ops->build_3d(ac97);
1469 } else {
1470 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1471 unsigned short val;
1472 val = 0x0707;
1473 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1474 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1475 val = val == 0x0606;
1476 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1477 return err;
1478 if (val)
1479 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1480 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1481 return err;
1482 if (val)
1483 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1484 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1485 }
1486 }
1487
1488 /* build S/PDIF controls */
1489 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1490 if (ac97->build_ops->build_spdif) {
1491 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1492 return err;
1493 } else {
1494 for (idx = 0; idx < 5; idx++)
1495 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1496 return err;
1497 if (ac97->build_ops->build_post_spdif) {
1498 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1499 return err;
1500 }
1501 /* set default PCM S/PDIF params */
1502 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1503 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1504 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1505 }
1506 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1507 }
1508
1509 /* build chip specific controls */
1510 if (ac97->build_ops->build_specific)
1511 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1512 return err;
1513
1514 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1515 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1516 if (! kctl)
1517 return -ENOMEM;
1518 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1519 set_inv_eapd(ac97, kctl);
1520 if ((err = snd_ctl_add(card, kctl)) < 0)
1521 return err;
1522 }
1523
1524 return 0;
1525 }
1526
1527 static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97)
1528 {
1529 /* TODO */
1530 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1531 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1532 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1533 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1534 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1535 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1536 return 0;
1537 }
1538
1539 static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate)
1540 {
1541 unsigned short val;
1542 unsigned int tmp;
1543
1544 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1545 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1546 if (shadow_reg)
1547 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1548 val = snd_ac97_read(ac97, reg);
1549 return val == (tmp & 0xffff);
1550 }
1551
1552 static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result)
1553 {
1554 unsigned int result = 0;
1555 unsigned short saved;
1556
1557 if (ac97->bus->no_vra) {
1558 *r_result = SNDRV_PCM_RATE_48000;
1559 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1560 reg == AC97_PCM_FRONT_DAC_RATE)
1561 *r_result |= SNDRV_PCM_RATE_96000;
1562 return;
1563 }
1564
1565 saved = snd_ac97_read(ac97, reg);
1566 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1567 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1568 AC97_EA_DRA, 0);
1569 /* test a non-standard rate */
1570 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1571 result |= SNDRV_PCM_RATE_CONTINUOUS;
1572 /* let's try to obtain standard rates */
1573 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1574 result |= SNDRV_PCM_RATE_8000;
1575 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1576 result |= SNDRV_PCM_RATE_11025;
1577 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1578 result |= SNDRV_PCM_RATE_16000;
1579 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1580 result |= SNDRV_PCM_RATE_22050;
1581 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1582 result |= SNDRV_PCM_RATE_32000;
1583 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1584 result |= SNDRV_PCM_RATE_44100;
1585 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1586 result |= SNDRV_PCM_RATE_48000;
1587 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1588 reg == AC97_PCM_FRONT_DAC_RATE) {
1589 /* test standard double rates */
1590 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1591 AC97_EA_DRA, AC97_EA_DRA);
1592 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1593 result |= SNDRV_PCM_RATE_64000;
1594 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1595 result |= SNDRV_PCM_RATE_88200;
1596 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1597 result |= SNDRV_PCM_RATE_96000;
1598 /* some codecs don't support variable double rates */
1599 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1600 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1601 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1602 AC97_EA_DRA, 0);
1603 }
1604 /* restore the default value */
1605 snd_ac97_write_cache(ac97, reg, saved);
1606 if (shadow_reg)
1607 snd_ac97_write_cache(ac97, shadow_reg, saved);
1608 *r_result = result;
1609 }
1610
1611 /* check AC97_SPDIF register to accept which sample rates */
1612 static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97)
1613 {
1614 unsigned int result = 0;
1615 int i;
1616 static unsigned short ctl_bits[] = {
1617 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1618 };
1619 static unsigned int rate_bits[] = {
1620 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1621 };
1622
1623 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1624 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1625 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1626 result |= rate_bits[i];
1627 }
1628 return result;
1629 }
1630
1631 /* look for the codec id table matching with the given id */
1632 static const ac97_codec_id_t *look_for_codec_id(const ac97_codec_id_t *table,
1633 unsigned int id)
1634 {
1635 const ac97_codec_id_t *pid;
1636
1637 for (pid = table; pid->id; pid++)
1638 if (pid->id == (id & pid->mask))
1639 return pid;
1640 return NULL;
1641 }
1642
1643 void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem)
1644 {
1645 const ac97_codec_id_t *pid;
1646
1647 sprintf(name, "0x%x %c%c%c", id,
1648 printable(id >> 24),
1649 printable(id >> 16),
1650 printable(id >> 8));
1651 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1652 if (! pid)
1653 return;
1654
1655 strcpy(name, pid->name);
1656 if (ac97 && pid->patch) {
1657 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1658 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1659 pid->patch(ac97);
1660 }
1661
1662 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1663 if (pid) {
1664 strcat(name, " ");
1665 strcat(name, pid->name);
1666 if (pid->mask != 0xffffffff)
1667 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1668 if (ac97 && pid->patch) {
1669 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1670 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1671 pid->patch(ac97);
1672 }
1673 } else
1674 sprintf(name + strlen(name), " id %x", id & 0xff);
1675 }
1676
1677 /**
1678 * snd_ac97_get_short_name - retrieve codec name
1679 * @ac97: the codec instance
1680 *
1681 * Returns the short identifying name of the codec.
1682 */
1683 const char *snd_ac97_get_short_name(ac97_t *ac97)
1684 {
1685 const ac97_codec_id_t *pid;
1686
1687 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1688 if (pid->id == (ac97->id & pid->mask))
1689 return pid->name;
1690 return "unknown codec";
1691 }
1692
1693
1694 /* wait for a while until registers are accessible after RESET
1695 * return 0 if ok, negative not ready
1696 */
1697 static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
1698 {
1699 unsigned long end_time;
1700 unsigned short val;
1701
1702 end_time = jiffies + timeout;
1703 do {
1704
1705 /* use preliminary reads to settle the communication */
1706 snd_ac97_read(ac97, AC97_RESET);
1707 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1708 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1709 /* modem? */
1710 if (with_modem) {
1711 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1712 if (val != 0xffff && (val & 1) != 0)
1713 return 0;
1714 }
1715 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1716 /* probably only Xbox issue - all registers are read as zero */
1717 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1718 if (val != 0 && val != 0xffff)
1719 return 0;
1720 } else {
1721 /* because the PCM or MASTER volume registers can be modified,
1722 * the REC_GAIN register is used for tests
1723 */
1724 /* test if we can write to the record gain volume register */
1725 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1726 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1727 return 0;
1728 }
1729 set_current_state(TASK_UNINTERRUPTIBLE);
1730 schedule_timeout(1);
1731 } while (time_after_eq(end_time, jiffies));
1732 return -ENODEV;
1733 }
1734
1735 /**
1736 * snd_ac97_bus - create an AC97 bus component
1737 * @card: the card instance
1738 * @num: the bus number
1739 * @ops: the bus callbacks table
1740 * @private_data: private data pointer for the new instance
1741 * @rbus: the pointer to store the new AC97 bus instance.
1742 *
1743 * Creates an AC97 bus component. An ac97_bus_t instance is newly
1744 * allocated and initialized.
1745 *
1746 * The ops table must include valid callbacks (at least read and
1747 * write). The other callbacks, wait and reset, are not mandatory.
1748 *
1749 * The clock is set to 48000. If another clock is needed, set
1750 * (*rbus)->clock manually.
1751 *
1752 * The AC97 bus instance is registered as a low-level device, so you don't
1753 * have to release it manually.
1754 *
1755 * Returns zero if successful, or a negative error code on failure.
1756 */
1757 int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
1758 void *private_data, ac97_bus_t **rbus)
1759 {
1760 int err;
1761 ac97_bus_t *bus;
1762 static snd_device_ops_t dev_ops = {
1763 .dev_free = snd_ac97_bus_dev_free,
1764 };
1765
1766 snd_assert(card != NULL, return -EINVAL);
1767 snd_assert(rbus != NULL, return -EINVAL);
1768 bus = kcalloc(1, sizeof(*bus), GFP_KERNEL);
1769 if (bus == NULL)
1770 return -ENOMEM;
1771 bus->card = card;
1772 bus->num = num;
1773 bus->ops = ops;
1774 bus->private_data = private_data;
1775 bus->clock = 48000;
1776 spin_lock_init(&bus->bus_lock);
1777 snd_ac97_bus_proc_init(bus);
1778 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1779 snd_ac97_bus_free(bus);
1780 return err;
1781 }
1782 *rbus = bus;
1783 return 0;
1784 }
1785
1786 /* build_ops to do nothing */
1787 static struct snd_ac97_build_ops null_build_ops;
1788
1789 /**
1790 * snd_ac97_mixer - create an Codec97 component
1791 * @bus: the AC97 bus which codec is attached to
1792 * @template: the template of ac97, including index, callbacks and
1793 * the private data.
1794 * @rac97: the pointer to store the new ac97 instance.
1795 *
1796 * Creates an Codec97 component. An ac97_t instance is newly
1797 * allocated and initialized from the template. The codec
1798 * is then initialized by the standard procedure.
1799 *
1800 * The template must include the codec number (num) and address (addr),
1801 * and the private data (private_data).
1802 *
1803 * The ac97 instance is registered as a low-level device, so you don't
1804 * have to release it manually.
1805 *
1806 * Returns zero if successful, or a negative error code on failure.
1807 */
1808 int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
1809 {
1810 int err;
1811 ac97_t *ac97;
1812 snd_card_t *card;
1813 char name[64];
1814 unsigned long end_time;
1815 unsigned int reg;
1816 const ac97_codec_id_t *pid;
1817 static snd_device_ops_t ops = {
1818 .dev_free = snd_ac97_dev_free,
1819 };
1820
1821 snd_assert(rac97 != NULL, return -EINVAL);
1822 *rac97 = NULL;
1823 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1824 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1825
1826 snd_assert(bus->shared_type <= AC97_SHARED_TYPES, return -EINVAL);
1827 if (bus->shared_type) {
1828 /* already shared? */
1829 down(&shared_codec_mutex);
1830 ac97 = shared_codec[bus->shared_type-1][template->num];
1831 if (ac97) {
1832 if ((ac97_is_audio(ac97) && (template->scaps & AC97_SCAP_SKIP_AUDIO)) ||
1833 (ac97_is_modem(ac97) && (template->scaps & AC97_SCAP_SKIP_MODEM))) {
1834 up(&shared_codec_mutex);
1835 return -EACCES; /* skip this */
1836 }
1837 }
1838 up(&shared_codec_mutex);
1839 }
1840
1841 card = bus->card;
1842 ac97 = kcalloc(1, sizeof(*ac97), GFP_KERNEL);
1843 if (ac97 == NULL)
1844 return -ENOMEM;
1845 ac97->private_data = template->private_data;
1846 ac97->private_free = template->private_free;
1847 ac97->bus = bus;
1848 ac97->pci = template->pci;
1849 ac97->num = template->num;
1850 ac97->addr = template->addr;
1851 ac97->scaps = template->scaps;
1852 ac97->limited_regs = template->limited_regs;
1853 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1854 bus->codec[ac97->num] = ac97;
1855 init_MUTEX(&ac97->reg_mutex);
1856 init_MUTEX(&ac97->page_mutex);
1857
1858 if (ac97->pci) {
1859 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1860 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1861 }
1862 if (bus->ops->reset) {
1863 bus->ops->reset(ac97);
1864 goto __access_ok;
1865 }
1866
1867 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1868 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1869 if (ac97->id && ac97->id != (unsigned int)-1) {
1870 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1871 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1872 goto __access_ok;
1873 }
1874
1875 snd_ac97_write(ac97, AC97_RESET, 0); /* reset to defaults */
1876 if (bus->ops->wait)
1877 bus->ops->wait(ac97);
1878 else {
1879 udelay(50);
1880 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1881 err = ac97_reset_wait(ac97, HZ/2, 1);
1882 else {
1883 err = ac97_reset_wait(ac97, HZ/2, 0);
1884 if (err < 0)
1885 err = ac97_reset_wait(ac97, HZ/2, 1);
1886 }
1887 if (err < 0) {
1888 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1889 /* proceed anyway - it's often non-critical */
1890 }
1891 }
1892 __access_ok:
1893 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1894 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1895 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1896 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1897 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1898 snd_ac97_free(ac97);
1899 return -EIO;
1900 }
1901 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1902 if (pid)
1903 ac97->flags |= pid->flags;
1904
1905 /* test for AC'97 */
1906 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1907 /* test if we can write to the record gain volume register */
1908 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1909 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1910 ac97->scaps |= AC97_SCAP_AUDIO;
1911 }
1912 if (ac97->scaps & AC97_SCAP_AUDIO) {
1913 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1914 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1915 if (ac97->ext_id == 0xffff) /* invalid combination */
1916 ac97->ext_id = 0;
1917 }
1918
1919 /* test for MC'97 */
1920 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1921 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1922 if (ac97->ext_mid == 0xffff) /* invalid combination */
1923 ac97->ext_mid = 0;
1924 if (ac97->ext_mid & 1)
1925 ac97->scaps |= AC97_SCAP_MODEM;
1926 }
1927
1928 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1929 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1930 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1931 snd_ac97_free(ac97);
1932 return -EACCES;
1933 }
1934
1935 if (bus->ops->reset) // FIXME: always skipping?
1936 goto __ready_ok;
1937
1938 /* FIXME: add powerdown control */
1939 if (ac97_is_audio(ac97)) {
1940 /* nothing should be in powerdown mode */
1941 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1942 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1943 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1944 udelay(100);
1945 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1946 }
1947 /* nothing should be in powerdown mode */
1948 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1949 end_time = jiffies + (HZ / 10);
1950 do {
1951 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1952 goto __ready_ok;
1953 set_current_state(TASK_UNINTERRUPTIBLE);
1954 schedule_timeout(1);
1955 } while (time_after_eq(end_time, jiffies));
1956 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1957 }
1958
1959 /* FIXME: add powerdown control */
1960 if (ac97_is_modem(ac97)) {
1961 unsigned char tmp;
1962
1963 /* nothing should be in powerdown mode */
1964 /* note: it's important to set the rate at first */
1965 tmp = AC97_MEA_GPIO;
1966 if (ac97->ext_mid & AC97_MEI_LINE1) {
1967 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 12000);
1968 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
1969 }
1970 if (ac97->ext_mid & AC97_MEI_LINE2) {
1971 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 12000);
1972 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
1973 }
1974 if (ac97->ext_mid & AC97_MEI_HANDSET) {
1975 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 12000);
1976 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
1977 }
1978 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0xff00 & ~(tmp << 8));
1979 udelay(100);
1980 /* nothing should be in powerdown mode */
1981 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0xff00 & ~(tmp << 8));
1982 end_time = jiffies + (HZ / 10);
1983 do {
1984 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
1985 goto __ready_ok;
1986 set_current_state(TASK_UNINTERRUPTIBLE);
1987 schedule_timeout(1);
1988 } while (time_after_eq(end_time, jiffies));
1989 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
1990 }
1991
1992 __ready_ok:
1993 if (ac97_is_audio(ac97))
1994 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
1995 else
1996 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
1997 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
1998 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
1999 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2000 if (! bus->no_vra)
2001 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2002 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2003 }
2004 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2005 /* Intel controllers require double rate data to be put in
2006 * slots 7+8, so let's hope the codec supports it. */
2007 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2008 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2009 ac97->flags |= AC97_DOUBLE_RATE;
2010 }
2011 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2012 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2013 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2014 } else {
2015 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2016 if (ac97->flags & AC97_DOUBLE_RATE)
2017 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2018 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2019 }
2020 if (ac97->ext_id & AC97_EI_SPDIF) {
2021 /* codec specific code (patch) should override these values */
2022 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2023 }
2024 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2025 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2026 } else {
2027 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2028 }
2029 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2030 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2031 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2032 }
2033 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2034 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2035 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2036 }
2037 /* additional initializations */
2038 if (bus->ops->init)
2039 bus->ops->init(ac97);
2040 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2041 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2042 if (! ac97->build_ops)
2043 ac97->build_ops = &null_build_ops;
2044
2045 if (ac97_is_audio(ac97)) {
2046 char comp[16];
2047 if (card->mixername[0] == '\0') {
2048 strcpy(card->mixername, name);
2049 } else {
2050 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2051 strcat(card->mixername, ",");
2052 strcat(card->mixername, name);
2053 }
2054 }
2055 sprintf(comp, "AC97a:%08x", ac97->id);
2056 if ((err = snd_component_add(card, comp)) < 0) {
2057 snd_ac97_free(ac97);
2058 return err;
2059 }
2060 if (snd_ac97_mixer_build(ac97) < 0) {
2061 snd_ac97_free(ac97);
2062 return -ENOMEM;
2063 }
2064 }
2065 if (ac97_is_modem(ac97)) {
2066 char comp[16];
2067 if (card->mixername[0] == '\0') {
2068 strcpy(card->mixername, name);
2069 } else {
2070 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2071 strcat(card->mixername, ",");
2072 strcat(card->mixername, name);
2073 }
2074 }
2075 sprintf(comp, "AC97m:%08x", ac97->id);
2076 if ((err = snd_component_add(card, comp)) < 0) {
2077 snd_ac97_free(ac97);
2078 return err;
2079 }
2080 if (snd_ac97_modem_build(card, ac97) < 0) {
2081 snd_ac97_free(ac97);
2082 return -ENOMEM;
2083 }
2084 }
2085 /* make sure the proper powerdown bits are cleared */
2086 if (ac97->scaps) {
2087 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2088 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2089 reg &= ~AC97_EA_PRJ;
2090 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2091 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2092 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2093 }
2094 snd_ac97_proc_init(ac97);
2095 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2096 snd_ac97_free(ac97);
2097 return err;
2098 }
2099 *rac97 = ac97;
2100
2101 if (bus->shared_type) {
2102 down(&shared_codec_mutex);
2103 shared_codec[bus->shared_type-1][ac97->num] = ac97;
2104 up(&shared_codec_mutex);
2105 }
2106
2107 return 0;
2108 }
2109
2110
2111 /*
2112 * Power down the chip.
2113 *
2114 * MASTER and HEADPHONE registers are muted but the register cache values
2115 * are not changed, so that the values can be restored in snd_ac97_resume().
2116 */
2117 static void snd_ac97_powerdown(ac97_t *ac97)
2118 {
2119 unsigned short power;
2120
2121 if (ac97_is_audio(ac97)) {
2122 /* some codecs have stereo mute bits */
2123 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2124 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2125 }
2126
2127 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2128 power |= 0x4000; /* Headphone amplifier powerdown */
2129 power |= 0x0300; /* ADC & DAC powerdown */
2130 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2131 udelay(100);
2132 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2133 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2134 udelay(100);
2135 #if 0
2136 /* FIXME: this causes click noises on some boards at resume */
2137 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2138 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2139 #endif
2140 }
2141
2142
2143 #ifdef CONFIG_PM
2144 /**
2145 * snd_ac97_suspend - General suspend function for AC97 codec
2146 * @ac97: the ac97 instance
2147 *
2148 * Suspends the codec, power down the chip.
2149 */
2150 void snd_ac97_suspend(ac97_t *ac97)
2151 {
2152 if (ac97->build_ops->suspend)
2153 ac97->build_ops->suspend(ac97);
2154 snd_ac97_powerdown(ac97);
2155 }
2156
2157 /*
2158 * restore ac97 status
2159 */
2160 void snd_ac97_restore_status(ac97_t *ac97)
2161 {
2162 int i;
2163
2164 for (i = 2; i < 0x7c ; i += 2) {
2165 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2166 continue;
2167 /* restore only accessible registers
2168 * some chip (e.g. nm256) may hang up when unsupported registers
2169 * are accessed..!
2170 */
2171 if (test_bit(i, ac97->reg_accessed)) {
2172 snd_ac97_write(ac97, i, ac97->regs[i]);
2173 snd_ac97_read(ac97, i);
2174 }
2175 }
2176 }
2177
2178 /*
2179 * restore IEC958 status
2180 */
2181 void snd_ac97_restore_iec958(ac97_t *ac97)
2182 {
2183 if (ac97->ext_id & AC97_EI_SPDIF) {
2184 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2185 /* reset spdif status */
2186 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2187 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2188 if (ac97->flags & AC97_CS_SPDIF)
2189 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2190 else
2191 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2192 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2193 }
2194 }
2195 }
2196
2197 /**
2198 * snd_ac97_resume - General resume function for AC97 codec
2199 * @ac97: the ac97 instance
2200 *
2201 * Do the standard resume procedure, power up and restoring the
2202 * old register values.
2203 */
2204 void snd_ac97_resume(ac97_t *ac97)
2205 {
2206 int i;
2207
2208 if (ac97->bus->ops->reset) {
2209 ac97->bus->ops->reset(ac97);
2210 goto __reset_ready;
2211 }
2212
2213 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2214 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2215 snd_ac97_write(ac97, AC97_RESET, 0);
2216 udelay(100);
2217 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2218 }
2219 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2220
2221 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2222 if (ac97_is_audio(ac97)) {
2223 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2224 for (i = HZ/10; i >= 0; i--) {
2225 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2226 break;
2227 set_current_state(TASK_UNINTERRUPTIBLE);
2228 schedule_timeout(1);
2229 }
2230 /* FIXME: extra delay */
2231 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2232 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) {
2233 set_current_state(TASK_UNINTERRUPTIBLE);
2234 schedule_timeout(HZ/4);
2235 }
2236 } else {
2237 for (i = HZ/10; i >= 0; i--) {
2238 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2239 if (val != 0xffff && (val & 1) != 0)
2240 break;
2241 set_current_state(TASK_UNINTERRUPTIBLE);
2242 schedule_timeout(1);
2243 }
2244 }
2245 __reset_ready:
2246
2247 if (ac97->bus->ops->init)
2248 ac97->bus->ops->init(ac97);
2249
2250 if (ac97->build_ops->resume)
2251 ac97->build_ops->resume(ac97);
2252 else {
2253 snd_ac97_restore_status(ac97);
2254 snd_ac97_restore_iec958(ac97);
2255 }
2256 }
2257 #endif
2258
2259
2260 /*
2261 * Hardware tuning
2262 */
2263 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2264 {
2265 if (suffix)
2266 sprintf(dst, "%s %s", src, suffix);
2267 else
2268 strcpy(dst, src);
2269 }
2270
2271 /* remove the control with the given name and optional suffix */
2272 int snd_ac97_remove_ctl(ac97_t *ac97, const char *name, const char *suffix)
2273 {
2274 snd_ctl_elem_id_t id;
2275 memset(&id, 0, sizeof(id));
2276 set_ctl_name(id.name, name, suffix);
2277 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2278 return snd_ctl_remove_id(ac97->bus->card, &id);
2279 }
2280
2281 static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name, const char *suffix)
2282 {
2283 snd_ctl_elem_id_t sid;
2284 memset(&sid, 0, sizeof(sid));
2285 set_ctl_name(sid.name, name, suffix);
2286 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2287 return snd_ctl_find_id(ac97->bus->card, &sid);
2288 }
2289
2290 /* rename the control with the given name and optional suffix */
2291 int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const char *suffix)
2292 {
2293 snd_kcontrol_t *kctl = ctl_find(ac97, src, suffix);
2294 if (kctl) {
2295 set_ctl_name(kctl->id.name, dst, suffix);
2296 return 0;
2297 }
2298 return -ENOENT;
2299 }
2300
2301 /* rename both Volume and Switch controls - don't check the return value */
2302 void snd_ac97_rename_vol_ctl(ac97_t *ac97, const char *src, const char *dst)
2303 {
2304 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2305 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2306 }
2307
2308 /* swap controls */
2309 int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *suffix)
2310 {
2311 snd_kcontrol_t *kctl1, *kctl2;
2312 kctl1 = ctl_find(ac97, s1, suffix);
2313 kctl2 = ctl_find(ac97, s2, suffix);
2314 if (kctl1 && kctl2) {
2315 set_ctl_name(kctl1->id.name, s2, suffix);
2316 set_ctl_name(kctl2->id.name, s1, suffix);
2317 return 0;
2318 }
2319 return -ENOENT;
2320 }
2321
2322 #if 1
2323 /* bind hp and master controls instead of using only hp control */
2324 static int bind_hp_volsw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2325 {
2326 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2327 if (err > 0) {
2328 unsigned long priv_saved = kcontrol->private_value;
2329 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2330 snd_ac97_put_volsw(kcontrol, ucontrol);
2331 kcontrol->private_value = priv_saved;
2332 }
2333 return err;
2334 }
2335
2336 /* ac97 tune: bind Master and Headphone controls */
2337 static int tune_hp_only(ac97_t *ac97)
2338 {
2339 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2340 snd_kcontrol_t *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2341 if (! msw || ! mvol)
2342 return -ENOENT;
2343 msw->put = bind_hp_volsw_put;
2344 mvol->put = bind_hp_volsw_put;
2345 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2346 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2347 return 0;
2348 }
2349
2350 #else
2351 /* ac97 tune: use Headphone control as master */
2352 static int tune_hp_only(ac97_t *ac97)
2353 {
2354 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2355 return -ENOENT;
2356 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2357 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2358 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2359 return 0;
2360 }
2361 #endif
2362
2363 /* ac97 tune: swap Headphone and Master controls */
2364 static int tune_swap_hp(ac97_t *ac97)
2365 {
2366 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2367 return -ENOENT;
2368 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2369 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2370 return 0;
2371 }
2372
2373 /* ac97 tune: swap Surround and Master controls */
2374 static int tune_swap_surround(ac97_t *ac97)
2375 {
2376 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2377 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2378 return -ENOENT;
2379 return 0;
2380 }
2381
2382 /* ac97 tune: set up mic sharing for AD codecs */
2383 static int tune_ad_sharing(ac97_t *ac97)
2384 {
2385 unsigned short scfg;
2386 if ((ac97->id & 0xffffff00) != 0x41445300) {
2387 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2388 return -EINVAL;
2389 }
2390 /* Turn on OMS bit to route microphone to back panel */
2391 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2392 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2393 return 0;
2394 }
2395
2396 static const snd_kcontrol_new_t snd_ac97_alc_jack_detect =
2397 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2398
2399 /* ac97 tune: set up ALC jack-select */
2400 static int tune_alc_jack(ac97_t *ac97)
2401 {
2402 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2403 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2404 return -EINVAL;
2405 }
2406 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2407 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2408 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2409 }
2410
2411 /* ac97 tune: inversed EAPD bit */
2412 static int tune_inv_eapd(ac97_t *ac97)
2413 {
2414 snd_kcontrol_t *kctl = ctl_find(ac97, "External Amplifier", NULL);
2415 if (! kctl)
2416 return -ENOENT;
2417 set_inv_eapd(ac97, kctl);
2418 return 0;
2419 }
2420
2421 static int master_mute_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2422 {
2423 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2424 if (err > 0) {
2425 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
2426 int shift = (kcontrol->private_value >> 8) & 0x0f;
2427 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2428 unsigned short mask;
2429 if (shift != rshift)
2430 mask = 0x8080;
2431 else
2432 mask = 0x8000;
2433 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2434 (ac97->regs[AC97_MASTER] & mask) == mask ?
2435 0x8000 : 0);
2436 }
2437 return err;
2438 }
2439
2440 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2441 static int tune_mute_led(ac97_t *ac97)
2442 {
2443 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2444 if (! msw)
2445 return -ENOENT;
2446 msw->put = master_mute_sw_put;
2447 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2448 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2449 return 0;
2450 }
2451
2452 struct quirk_table {
2453 const char *name;
2454 int (*func)(ac97_t *);
2455 };
2456
2457 static struct quirk_table applicable_quirks[] = {
2458 { "none", NULL },
2459 { "hp_only", tune_hp_only },
2460 { "swap_hp", tune_swap_hp },
2461 { "swap_surround", tune_swap_surround },
2462 { "ad_sharing", tune_ad_sharing },
2463 { "alc_jack", tune_alc_jack },
2464 { "inv_eapd", tune_inv_eapd },
2465 { "mute_led", tune_mute_led },
2466 };
2467
2468 /* apply the quirk with the given type */
2469 static int apply_quirk(ac97_t *ac97, int type)
2470 {
2471 if (type <= 0)
2472 return 0;
2473 else if (type >= ARRAY_SIZE(applicable_quirks))
2474 return -EINVAL;
2475 if (applicable_quirks[type].func)
2476 return applicable_quirks[type].func(ac97);
2477 return 0;
2478 }
2479
2480 /* apply the quirk with the given name */
2481 static int apply_quirk_str(ac97_t *ac97, const char *typestr)
2482 {
2483 int i;
2484 struct quirk_table *q;
2485
2486 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2487 q = &applicable_quirks[i];
2488 if (q->name && ! strcmp(typestr, q->name))
2489 return apply_quirk(ac97, i);
2490 }
2491 /* for compatibility, accept the numbers, too */
2492 if (*typestr >= '0' && *typestr <= '9')
2493 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2494 return -EINVAL;
2495 }
2496
2497 /**
2498 * snd_ac97_tune_hardware - tune up the hardware
2499 * @ac97: the ac97 instance
2500 * @quirk: quirk list
2501 * @override: explicit quirk value (overrides the list if non-NULL)
2502 *
2503 * Do some workaround for each pci device, such as renaming of the
2504 * headphone (true line-out) control as "Master".
2505 * The quirk-list must be terminated with a zero-filled entry.
2506 *
2507 * Returns zero if successful, or a negative error code on failure.
2508 */
2509
2510 int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override)
2511 {
2512 int result;
2513
2514 snd_assert(quirk, return -EINVAL);
2515
2516 /* quirk overriden? */
2517 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2518 result = apply_quirk_str(ac97, override);
2519 if (result < 0)
2520 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2521 return result;
2522 }
2523
2524 for (; quirk->vendor; quirk++) {
2525 if (quirk->vendor != ac97->subsystem_vendor)
2526 continue;
2527 if ((! quirk->mask && quirk->device == ac97->subsystem_device) ||
2528 quirk->device == (quirk->mask & ac97->subsystem_device)) {
2529 if (quirk->codec_id && quirk->codec_id != ac97->id)
2530 continue;
2531 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2532 result = apply_quirk(ac97, quirk->type);
2533 if (result < 0)
2534 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2535 return result;
2536 }
2537 }
2538 return 0;
2539 }
2540
2541
2542 /*
2543 * Exported symbols
2544 */
2545
2546 EXPORT_SYMBOL(snd_ac97_write);
2547 EXPORT_SYMBOL(snd_ac97_read);
2548 EXPORT_SYMBOL(snd_ac97_write_cache);
2549 EXPORT_SYMBOL(snd_ac97_update);
2550 EXPORT_SYMBOL(snd_ac97_update_bits);
2551 EXPORT_SYMBOL(snd_ac97_get_short_name);
2552 EXPORT_SYMBOL(snd_ac97_bus);
2553 EXPORT_SYMBOL(snd_ac97_mixer);
2554 EXPORT_SYMBOL(snd_ac97_pcm_assign);
2555 EXPORT_SYMBOL(snd_ac97_pcm_open);
2556 EXPORT_SYMBOL(snd_ac97_pcm_close);
2557 EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2558 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2559 EXPORT_SYMBOL(snd_ac97_set_rate);
2560 #ifdef CONFIG_PM
2561 EXPORT_SYMBOL(snd_ac97_resume);
2562 EXPORT_SYMBOL(snd_ac97_suspend);
2563 #endif
2564
2565 /*
2566 * INIT part
2567 */
2568
2569 static int __init alsa_ac97_init(void)
2570 {
2571 return 0;
2572 }
2573
2574 static void __exit alsa_ac97_exit(void)
2575 {
2576 }
2577
2578 module_init(alsa_ac97_init)
2579 module_exit(alsa_ac97_exit)
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree