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[PATCH] ieee80211: Fix debug comments ipw->ieee80211
[deliverable/linux.git] / sound / pci / ac97 / ac97_codec.c
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 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
124 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
125 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
126 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
127 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
128 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
129 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
130 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
131 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
132 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
133 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
134 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
135 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
136 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
137 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
138 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
139 { 0x454d4328, 0xffffffff, "28028", NULL, NULL }, // same as TR28028?
140 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
141 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
142 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
143 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
144 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
145 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
146 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
147 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
148 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
149 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
150 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
151 { 0x4e534350, 0xffffffff, "LM4550", NULL, NULL },
152 { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
153 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
154 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
155 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
156 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
157 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
158 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
159 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
160 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
161 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
162 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
163 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
164 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
165 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
166 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
167 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
168 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
169 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
170 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
171 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
172 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
173 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
174 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
175 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
176 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
177 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
178 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
179 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
180 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
181 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
182 { 0, 0, NULL, NULL, NULL }
183 };
184
185 const char *snd_ac97_stereo_enhancements[] =
186 {
187 /* 0 */ "No 3D Stereo Enhancement",
188 /* 1 */ "Analog Devices Phat Stereo",
189 /* 2 */ "Creative Stereo Enhancement",
190 /* 3 */ "National Semi 3D Stereo Enhancement",
191 /* 4 */ "YAMAHA Ymersion",
192 /* 5 */ "BBE 3D Stereo Enhancement",
193 /* 6 */ "Crystal Semi 3D Stereo Enhancement",
194 /* 7 */ "Qsound QXpander",
195 /* 8 */ "Spatializer 3D Stereo Enhancement",
196 /* 9 */ "SRS 3D Stereo Enhancement",
197 /* 10 */ "Platform Tech 3D Stereo Enhancement",
198 /* 11 */ "AKM 3D Audio",
199 /* 12 */ "Aureal Stereo Enhancement",
200 /* 13 */ "Aztech 3D Enhancement",
201 /* 14 */ "Binaura 3D Audio Enhancement",
202 /* 15 */ "ESS Technology Stereo Enhancement",
203 /* 16 */ "Harman International VMAx",
204 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
205 /* 18 */ "Philips Incredible Sound",
206 /* 19 */ "Texas Instruments 3D Stereo Enhancement",
207 /* 20 */ "VLSI Technology 3D Stereo Enhancement",
208 /* 21 */ "TriTech 3D Stereo Enhancement",
209 /* 22 */ "Realtek 3D Stereo Enhancement",
210 /* 23 */ "Samsung 3D Stereo Enhancement",
211 /* 24 */ "Wolfson Microelectronics 3D Enhancement",
212 /* 25 */ "Delta Integration 3D Enhancement",
213 /* 26 */ "SigmaTel 3D Enhancement",
214 /* 27 */ "IC Ensemble/KS Waves",
215 /* 28 */ "Rockwell 3D Stereo Enhancement",
216 /* 29 */ "Reserved 29",
217 /* 30 */ "Reserved 30",
218 /* 31 */ "Reserved 31"
219 };
220
221 /*
222 * Shared AC97 controllers (ICH, ATIIXP...)
223 */
224 static DECLARE_MUTEX(shared_codec_mutex);
225 static ac97_t *shared_codec[AC97_SHARED_TYPES][4];
226
227
228 /*
229 * I/O routines
230 */
231
232 static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg)
233 {
234 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
235 return 0;
236
237 /* filter some registers for buggy codecs */
238 switch (ac97->id) {
239 case AC97_ID_AK4540:
240 case AC97_ID_AK4542:
241 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
242 return 1;
243 return 0;
244 case AC97_ID_AD1819: /* AD1819 */
245 case AC97_ID_AD1881: /* AD1881 */
246 case AC97_ID_AD1881A: /* AD1881A */
247 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
248 return 0;
249 return 1;
250 case AC97_ID_AD1885: /* AD1885 */
251 case AC97_ID_AD1886: /* AD1886 */
252 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
253 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
254 if (reg == 0x5a)
255 return 1;
256 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
257 return 0;
258 return 1;
259 case AC97_ID_STAC9700:
260 case AC97_ID_STAC9704:
261 case AC97_ID_STAC9705:
262 case AC97_ID_STAC9708:
263 case AC97_ID_STAC9721:
264 case AC97_ID_STAC9744:
265 case AC97_ID_STAC9756:
266 if (reg <= 0x3a || reg >= 0x5a)
267 return 1;
268 return 0;
269 }
270 return 1;
271 }
272
273 /**
274 * snd_ac97_write - write a value on the given register
275 * @ac97: the ac97 instance
276 * @reg: the register to change
277 * @value: the value to set
278 *
279 * Writes a value on the given register. This will invoke the write
280 * callback directly after the register check.
281 * This function doesn't change the register cache unlike
282 * #snd_ca97_write_cache(), so use this only when you don't want to
283 * reflect the change to the suspend/resume state.
284 */
285 void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value)
286 {
287 if (!snd_ac97_valid_reg(ac97, reg))
288 return;
289 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
290 /* Fix H/W bug of ALC100/100P */
291 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
292 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
293 }
294 ac97->bus->ops->write(ac97, reg, value);
295 }
296
297 /**
298 * snd_ac97_read - read a value from the given register
299 *
300 * @ac97: the ac97 instance
301 * @reg: the register to read
302 *
303 * Reads a value from the given register. This will invoke the read
304 * callback directly after the register check.
305 *
306 * Returns the read value.
307 */
308 unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg)
309 {
310 if (!snd_ac97_valid_reg(ac97, reg))
311 return 0;
312 return ac97->bus->ops->read(ac97, reg);
313 }
314
315 /* read a register - return the cached value if already read */
316 static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short reg)
317 {
318 if (! test_bit(reg, ac97->reg_accessed)) {
319 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
320 // set_bit(reg, ac97->reg_accessed);
321 }
322 return ac97->regs[reg];
323 }
324
325 /**
326 * snd_ac97_write_cache - write a value on the given register and update the cache
327 * @ac97: the ac97 instance
328 * @reg: the register to change
329 * @value: the value to set
330 *
331 * Writes a value on the given register and updates the register
332 * cache. The cached values are used for the cached-read and the
333 * suspend/resume.
334 */
335 void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value)
336 {
337 if (!snd_ac97_valid_reg(ac97, reg))
338 return;
339 down(&ac97->reg_mutex);
340 ac97->regs[reg] = value;
341 ac97->bus->ops->write(ac97, reg, value);
342 set_bit(reg, ac97->reg_accessed);
343 up(&ac97->reg_mutex);
344 }
345
346 /**
347 * snd_ac97_update - update the value on the given register
348 * @ac97: the ac97 instance
349 * @reg: the register to change
350 * @value: the value to set
351 *
352 * Compares the value with the register cache and updates the value
353 * only when the value is changed.
354 *
355 * Returns 1 if the value is changed, 0 if no change, or a negative
356 * code on failure.
357 */
358 int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value)
359 {
360 int change;
361
362 if (!snd_ac97_valid_reg(ac97, reg))
363 return -EINVAL;
364 down(&ac97->reg_mutex);
365 change = ac97->regs[reg] != value;
366 if (change) {
367 ac97->regs[reg] = value;
368 ac97->bus->ops->write(ac97, reg, value);
369 }
370 set_bit(reg, ac97->reg_accessed);
371 up(&ac97->reg_mutex);
372 return change;
373 }
374
375 /**
376 * snd_ac97_update_bits - update the bits on the given register
377 * @ac97: the ac97 instance
378 * @reg: the register to change
379 * @mask: the bit-mask to change
380 * @value: the value to set
381 *
382 * Updates the masked-bits on the given register only when the value
383 * is changed.
384 *
385 * Returns 1 if the bits are changed, 0 if no change, or a negative
386 * code on failure.
387 */
388 int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value)
389 {
390 int change;
391
392 if (!snd_ac97_valid_reg(ac97, reg))
393 return -EINVAL;
394 down(&ac97->reg_mutex);
395 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
396 up(&ac97->reg_mutex);
397 return change;
398 }
399
400 /* no lock version - see snd_ac97_updat_bits() */
401 int snd_ac97_update_bits_nolock(ac97_t *ac97, unsigned short reg,
402 unsigned short mask, unsigned short value)
403 {
404 int change;
405 unsigned short old, new;
406
407 old = snd_ac97_read_cache(ac97, reg);
408 new = (old & ~mask) | value;
409 change = old != new;
410 if (change) {
411 ac97->regs[reg] = new;
412 ac97->bus->ops->write(ac97, reg, new);
413 }
414 set_bit(reg, ac97->reg_accessed);
415 return change;
416 }
417
418 static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value)
419 {
420 int change;
421 unsigned short old, new, cfg;
422
423 down(&ac97->page_mutex);
424 old = ac97->spec.ad18xx.pcmreg[codec];
425 new = (old & ~mask) | value;
426 change = old != new;
427 if (change) {
428 down(&ac97->reg_mutex);
429 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
430 ac97->spec.ad18xx.pcmreg[codec] = new;
431 /* select single codec */
432 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
433 (cfg & ~0x7000) |
434 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
435 /* update PCM bits */
436 ac97->bus->ops->write(ac97, AC97_PCM, new);
437 /* select all codecs */
438 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
439 cfg | 0x7000);
440 up(&ac97->reg_mutex);
441 }
442 up(&ac97->page_mutex);
443 return change;
444 }
445
446 /*
447 * Controls
448 */
449
450 int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
451 {
452 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
453
454 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
455 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
456 uinfo->value.enumerated.items = e->mask;
457
458 if (uinfo->value.enumerated.item > e->mask - 1)
459 uinfo->value.enumerated.item = e->mask - 1;
460 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
461 return 0;
462 }
463
464 int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
465 {
466 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
467 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
468 unsigned short val, bitmask;
469
470 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
471 ;
472 val = snd_ac97_read_cache(ac97, e->reg);
473 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
474 if (e->shift_l != e->shift_r)
475 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
476
477 return 0;
478 }
479
480 int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
481 {
482 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
483 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
484 unsigned short val;
485 unsigned short mask, bitmask;
486
487 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
488 ;
489 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
490 return -EINVAL;
491 val = ucontrol->value.enumerated.item[0] << e->shift_l;
492 mask = (bitmask - 1) << e->shift_l;
493 if (e->shift_l != e->shift_r) {
494 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
495 return -EINVAL;
496 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
497 mask |= (bitmask - 1) << e->shift_r;
498 }
499 return snd_ac97_update_bits(ac97, e->reg, mask, val);
500 }
501
502 /* save/restore ac97 v2.3 paging */
503 static int snd_ac97_page_save(ac97_t *ac97, int reg, snd_kcontrol_t *kcontrol)
504 {
505 int page_save = -1;
506 if ((kcontrol->private_value & (1<<25)) &&
507 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
508 (reg >= 0x60 && reg < 0x70)) {
509 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
510 down(&ac97->page_mutex); /* lock paging */
511 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
512 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
513 }
514 return page_save;
515 }
516
517 static void snd_ac97_page_restore(ac97_t *ac97, int page_save)
518 {
519 if (page_save >= 0) {
520 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
521 up(&ac97->page_mutex); /* unlock paging */
522 }
523 }
524
525 /* volume and switch controls */
526 int snd_ac97_info_volsw(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
527 {
528 int mask = (kcontrol->private_value >> 16) & 0xff;
529 int shift = (kcontrol->private_value >> 8) & 0x0f;
530 int rshift = (kcontrol->private_value >> 12) & 0x0f;
531
532 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
533 uinfo->count = shift == rshift ? 1 : 2;
534 uinfo->value.integer.min = 0;
535 uinfo->value.integer.max = mask;
536 return 0;
537 }
538
539 int snd_ac97_get_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
540 {
541 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
542 int reg = kcontrol->private_value & 0xff;
543 int shift = (kcontrol->private_value >> 8) & 0x0f;
544 int rshift = (kcontrol->private_value >> 12) & 0x0f;
545 int mask = (kcontrol->private_value >> 16) & 0xff;
546 int invert = (kcontrol->private_value >> 24) & 0x01;
547 int page_save;
548
549 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
550 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
551 if (shift != rshift)
552 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
553 if (invert) {
554 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
555 if (shift != rshift)
556 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
557 }
558 snd_ac97_page_restore(ac97, page_save);
559 return 0;
560 }
561
562 int snd_ac97_put_volsw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
563 {
564 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
565 int reg = kcontrol->private_value & 0xff;
566 int shift = (kcontrol->private_value >> 8) & 0x0f;
567 int rshift = (kcontrol->private_value >> 12) & 0x0f;
568 int mask = (kcontrol->private_value >> 16) & 0xff;
569 int invert = (kcontrol->private_value >> 24) & 0x01;
570 int err, page_save;
571 unsigned short val, val2, val_mask;
572
573 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
574 val = (ucontrol->value.integer.value[0] & mask);
575 if (invert)
576 val = mask - val;
577 val_mask = mask << shift;
578 val = val << shift;
579 if (shift != rshift) {
580 val2 = (ucontrol->value.integer.value[1] & mask);
581 if (invert)
582 val2 = mask - val2;
583 val_mask |= mask << rshift;
584 val |= val2 << rshift;
585 }
586 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
587 snd_ac97_page_restore(ac97, page_save);
588 return err;
589 }
590
591 static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = {
592 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
593 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
594 };
595
596 static const snd_kcontrol_new_t snd_ac97_controls_tone[2] = {
597 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
598 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
599 };
600
601 static const snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = {
602 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
603 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
604 };
605
606 static const snd_kcontrol_new_t snd_ac97_controls_mic_boost =
607 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
608
609
610 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
611 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
612 static const char* std_mix[] = {"Mix", "Mic"};
613 static const char* std_mic[] = {"Mic1", "Mic2"};
614
615 static const struct ac97_enum std_enum[] = {
616 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
617 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
618 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
619 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
620 };
621
622 static const snd_kcontrol_new_t snd_ac97_control_capture_src =
623 AC97_ENUM("Capture Source", std_enum[0]);
624
625 static const snd_kcontrol_new_t snd_ac97_control_capture_vol =
626 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
627
628 static const snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = {
629 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
630 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
631 };
632
633 typedef enum {
634 AC97_GENERAL_PCM_OUT = 0,
635 AC97_GENERAL_STEREO_ENHANCEMENT,
636 AC97_GENERAL_3D,
637 AC97_GENERAL_LOUDNESS,
638 AC97_GENERAL_MONO,
639 AC97_GENERAL_MIC,
640 AC97_GENERAL_LOOPBACK
641 } ac97_general_index_t;
642
643 static const snd_kcontrol_new_t snd_ac97_controls_general[7] = {
644 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
645 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
646 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
647 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
648 AC97_ENUM("Mono Output Select", std_enum[2]),
649 AC97_ENUM("Mic Select", std_enum[3]),
650 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
651 };
652
653 const snd_kcontrol_new_t snd_ac97_controls_3d[2] = {
654 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
655 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
656 };
657
658 static const snd_kcontrol_new_t snd_ac97_controls_center[2] = {
659 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
660 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
661 };
662
663 static const snd_kcontrol_new_t snd_ac97_controls_lfe[2] = {
664 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
665 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
666 };
667
668 static const snd_kcontrol_new_t snd_ac97_control_eapd =
669 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
670
671 static const snd_kcontrol_new_t snd_ac97_controls_modem_switches[2] = {
672 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
673 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
674 };
675
676 /* change the existing EAPD control as inverted */
677 static void set_inv_eapd(ac97_t *ac97, snd_kcontrol_t *kctl)
678 {
679 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
680 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
681 ac97->scaps |= AC97_SCAP_INV_EAPD;
682 }
683
684 static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
685 {
686 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
687 uinfo->count = 1;
688 return 0;
689 }
690
691 static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
692 {
693 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
694 IEC958_AES0_NONAUDIO |
695 IEC958_AES0_CON_EMPHASIS_5015 |
696 IEC958_AES0_CON_NOT_COPYRIGHT;
697 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
698 IEC958_AES1_CON_ORIGINAL;
699 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
700 return 0;
701 }
702
703 static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
704 {
705 /* FIXME: AC'97 spec doesn't say which bits are used for what */
706 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
707 IEC958_AES0_NONAUDIO |
708 IEC958_AES0_PRO_FS |
709 IEC958_AES0_PRO_EMPHASIS_5015;
710 return 0;
711 }
712
713 static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
714 {
715 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
716
717 down(&ac97->reg_mutex);
718 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
719 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
720 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
721 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
722 up(&ac97->reg_mutex);
723 return 0;
724 }
725
726 static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
727 {
728 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
729 unsigned int new = 0;
730 unsigned short val = 0;
731 int change;
732
733 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
734 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
735 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
736 switch (new & IEC958_AES0_PRO_FS) {
737 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
738 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
739 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
740 default: val |= 1<<12; break;
741 }
742 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
743 val |= 1<<3;
744 } else {
745 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
746 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
747 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
748 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
749 val |= 1<<3;
750 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
751 val |= 1<<2;
752 val |= ((new >> 8) & 0xff) << 4; // category + original
753 switch ((new >> 24) & 0xff) {
754 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
755 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
756 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
757 default: val |= 1<<12; break;
758 }
759 }
760
761 down(&ac97->reg_mutex);
762 change = ac97->spdif_status != new;
763 ac97->spdif_status = new;
764
765 if (ac97->flags & AC97_CS_SPDIF) {
766 int x = (val >> 12) & 0x03;
767 switch (x) {
768 case 0: x = 1; break; // 44.1
769 case 2: x = 0; break; // 48.0
770 default: x = 0; break; // illegal.
771 }
772 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
773 } else if (ac97->flags & AC97_CX_SPDIF) {
774 int v;
775 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
776 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
777 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
778 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
779 v);
780 } else {
781 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
782 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
783
784 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
785 if (extst & AC97_EA_SPDIF) {
786 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
787 }
788 }
789 up(&ac97->reg_mutex);
790
791 return change;
792 }
793
794 static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
795 {
796 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
797 int reg = kcontrol->private_value & 0xff;
798 int shift = (kcontrol->private_value >> 8) & 0xff;
799 int mask = (kcontrol->private_value >> 16) & 0xff;
800 // int invert = (kcontrol->private_value >> 24) & 0xff;
801 unsigned short value, old, new;
802 int change;
803
804 value = (ucontrol->value.integer.value[0] & mask);
805
806 down(&ac97->reg_mutex);
807 mask <<= shift;
808 value <<= shift;
809 old = snd_ac97_read_cache(ac97, reg);
810 new = (old & ~mask) | value;
811 change = old != new;
812
813 if (change) {
814 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
815 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
816 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
817 if (extst & AC97_EA_SPDIF)
818 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
819 }
820 up(&ac97->reg_mutex);
821 return change;
822 }
823
824 const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = {
825 {
826 .access = SNDRV_CTL_ELEM_ACCESS_READ,
827 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
828 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
829 .info = snd_ac97_spdif_mask_info,
830 .get = snd_ac97_spdif_cmask_get,
831 },
832 {
833 .access = SNDRV_CTL_ELEM_ACCESS_READ,
834 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
835 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
836 .info = snd_ac97_spdif_mask_info,
837 .get = snd_ac97_spdif_pmask_get,
838 },
839 {
840 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
841 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
842 .info = snd_ac97_spdif_mask_info,
843 .get = snd_ac97_spdif_default_get,
844 .put = snd_ac97_spdif_default_put,
845 },
846
847 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
848 {
849 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
850 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
851 .info = snd_ac97_info_volsw,
852 .get = snd_ac97_get_volsw,
853 .put = snd_ac97_put_spsa,
854 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
855 },
856 };
857
858 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
859 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
860 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
861 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
862
863 static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
864 {
865 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
866 int mask = (kcontrol->private_value >> 16) & 0x0f;
867 int lshift = (kcontrol->private_value >> 8) & 0x0f;
868 int rshift = (kcontrol->private_value >> 12) & 0x0f;
869
870 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
871 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
872 uinfo->count = 2;
873 else
874 uinfo->count = 1;
875 uinfo->value.integer.min = 0;
876 uinfo->value.integer.max = mask;
877 return 0;
878 }
879
880 static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
881 {
882 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
883 int codec = kcontrol->private_value & 3;
884 int lshift = (kcontrol->private_value >> 8) & 0x0f;
885 int rshift = (kcontrol->private_value >> 12) & 0x0f;
886 int mask = (kcontrol->private_value >> 16) & 0xff;
887
888 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
889 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
890 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
891 return 0;
892 }
893
894 static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
895 {
896 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
897 int codec = kcontrol->private_value & 3;
898 int lshift = (kcontrol->private_value >> 8) & 0x0f;
899 int rshift = (kcontrol->private_value >> 12) & 0x0f;
900 int mask = (kcontrol->private_value >> 16) & 0xff;
901 unsigned short val, valmask;
902
903 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
904 valmask = mask << lshift;
905 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
906 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
907 valmask |= mask << rshift;
908 }
909 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
910 }
911
912 #define AD18XX_PCM_VOLUME(xname, codec) \
913 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
914 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
915 .private_value = codec }
916
917 static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
918 {
919 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
920 uinfo->count = 2;
921 uinfo->value.integer.min = 0;
922 uinfo->value.integer.max = 31;
923 return 0;
924 }
925
926 static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
927 {
928 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
929 int codec = kcontrol->private_value & 3;
930
931 down(&ac97->page_mutex);
932 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
933 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
934 up(&ac97->page_mutex);
935 return 0;
936 }
937
938 static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
939 {
940 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
941 int codec = kcontrol->private_value & 3;
942 unsigned short val1, val2;
943
944 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
945 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
946 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
947 }
948
949 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = {
950 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
951 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
952 };
953
954 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = {
955 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
956 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
957 };
958
959 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = {
960 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
961 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
962 };
963
964 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = {
965 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
966 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
967 };
968
969 /*
970 *
971 */
972
973 static void snd_ac97_powerdown(ac97_t *ac97);
974
975 static int snd_ac97_bus_free(ac97_bus_t *bus)
976 {
977 if (bus) {
978 snd_ac97_bus_proc_done(bus);
979 kfree(bus->pcms);
980 if (bus->private_free)
981 bus->private_free(bus);
982 kfree(bus);
983 }
984 return 0;
985 }
986
987 static int snd_ac97_bus_dev_free(snd_device_t *device)
988 {
989 ac97_bus_t *bus = device->device_data;
990 return snd_ac97_bus_free(bus);
991 }
992
993 static int snd_ac97_free(ac97_t *ac97)
994 {
995 if (ac97) {
996 snd_ac97_proc_done(ac97);
997 if (ac97->bus) {
998 ac97->bus->codec[ac97->num] = NULL;
999 if (ac97->bus->shared_type) {
1000 down(&shared_codec_mutex);
1001 shared_codec[ac97->bus->shared_type-1][ac97->num] = NULL;
1002 up(&shared_codec_mutex);
1003 }
1004 }
1005 if (ac97->private_free)
1006 ac97->private_free(ac97);
1007 kfree(ac97);
1008 }
1009 return 0;
1010 }
1011
1012 static int snd_ac97_dev_free(snd_device_t *device)
1013 {
1014 ac97_t *ac97 = device->device_data;
1015 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1016 return snd_ac97_free(ac97);
1017 }
1018
1019 static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg)
1020 {
1021 unsigned short val, mask = 0x8000;
1022
1023 if (! snd_ac97_valid_reg(ac97, reg))
1024 return 0;
1025
1026 switch (reg) {
1027 case AC97_MASTER_TONE:
1028 return ac97->caps & 0x04 ? 1 : 0;
1029 case AC97_HEADPHONE:
1030 return ac97->caps & 0x10 ? 1 : 0;
1031 case AC97_REC_GAIN_MIC:
1032 return ac97->caps & 0x01 ? 1 : 0;
1033 case AC97_3D_CONTROL:
1034 if (ac97->caps & 0x7c00) {
1035 val = snd_ac97_read(ac97, reg);
1036 /* if nonzero - fixed and we can't set it */
1037 return val == 0;
1038 }
1039 return 0;
1040 case AC97_CENTER_LFE_MASTER: /* center */
1041 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1042 return 0;
1043 break;
1044 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1045 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1046 return 0;
1047 reg = AC97_CENTER_LFE_MASTER;
1048 mask = 0x0080;
1049 break;
1050 case AC97_SURROUND_MASTER:
1051 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1052 return 0;
1053 break;
1054 }
1055
1056 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1057 return 1; /* allow without check */
1058
1059 val = snd_ac97_read(ac97, reg);
1060 if (!(val & mask)) {
1061 /* nothing seems to be here - mute flag is not set */
1062 /* try another test */
1063 snd_ac97_write_cache(ac97, reg, val | mask);
1064 val = snd_ac97_read(ac97, reg);
1065 if (!(val & mask))
1066 return 0; /* nothing here */
1067 }
1068 return 1; /* success, useable */
1069 }
1070
1071 static void check_volume_resolution(ac97_t *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1072 {
1073 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1074 unsigned char max[3] = { 63, 31, 15 };
1075 int i;
1076
1077 *lo_max = *hi_max = 0;
1078 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1079 unsigned short val;
1080 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1081 /* Do the read twice due to buffers on some ac97 codecs.
1082 * e.g. The STAC9704 returns exactly what you wrote the the register
1083 * if you read it immediately. This causes the detect routine to fail.
1084 */
1085 val = snd_ac97_read(ac97, reg);
1086 val = snd_ac97_read(ac97, reg);
1087 if (! *lo_max && (val & 0x7f) == cbit[i])
1088 *lo_max = max[i];
1089 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1090 *hi_max = max[i];
1091 if (*lo_max && *hi_max)
1092 break;
1093 }
1094 }
1095
1096 int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit)
1097 {
1098 unsigned short mask, val, orig, res;
1099
1100 mask = 1 << bit;
1101 orig = snd_ac97_read(ac97, reg);
1102 val = orig ^ mask;
1103 snd_ac97_write(ac97, reg, val);
1104 res = snd_ac97_read(ac97, reg);
1105 snd_ac97_write_cache(ac97, reg, orig);
1106 return res == val;
1107 }
1108
1109 /* check the volume resolution of center/lfe */
1110 static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max)
1111 {
1112 unsigned short val, val1;
1113
1114 *max = 63;
1115 val = 0x8080 | (0x20 << shift);
1116 snd_ac97_write(ac97, reg, val);
1117 val1 = snd_ac97_read(ac97, reg);
1118 if (val != val1) {
1119 *max = 31;
1120 }
1121 /* reset volume to zero */
1122 snd_ac97_write_cache(ac97, reg, 0x8080);
1123 }
1124
1125 static inline int printable(unsigned int x)
1126 {
1127 x &= 0xff;
1128 if (x < ' ' || x >= 0x71) {
1129 if (x <= 0x89)
1130 return x - 0x71 + 'A';
1131 return '?';
1132 }
1133 return x;
1134 }
1135
1136 snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97)
1137 {
1138 snd_kcontrol_new_t template;
1139 memcpy(&template, _template, sizeof(template));
1140 snd_runtime_check(!template.index, return NULL);
1141 template.index = ac97->num;
1142 return snd_ctl_new1(&template, ac97);
1143 }
1144
1145 /*
1146 * create mute switch(es) for normal stereo controls
1147 */
1148 static int snd_ac97_cmute_new_stereo(snd_card_t *card, char *name, int reg, int check_stereo, ac97_t *ac97)
1149 {
1150 snd_kcontrol_t *kctl;
1151 int err;
1152 unsigned short val, val1, mute_mask;
1153
1154 if (! snd_ac97_valid_reg(ac97, reg))
1155 return 0;
1156
1157 mute_mask = 0x8000;
1158 val = snd_ac97_read(ac97, reg);
1159 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1160 /* check whether both mute bits work */
1161 val1 = val | 0x8080;
1162 snd_ac97_write(ac97, reg, val1);
1163 if (val1 == snd_ac97_read(ac97, reg))
1164 mute_mask = 0x8080;
1165 }
1166 if (mute_mask == 0x8080) {
1167 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1168 tmp.index = ac97->num;
1169 kctl = snd_ctl_new1(&tmp, ac97);
1170 } else {
1171 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1172 tmp.index = ac97->num;
1173 kctl = snd_ctl_new1(&tmp, ac97);
1174 }
1175 err = snd_ctl_add(card, kctl);
1176 if (err < 0)
1177 return err;
1178 /* mute as default */
1179 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1180 return 0;
1181 }
1182
1183 /*
1184 * create a volume for normal stereo/mono controls
1185 */
1186 static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int lo_max,
1187 unsigned int hi_max, ac97_t *ac97)
1188 {
1189 int err;
1190 snd_kcontrol_t *kctl;
1191
1192 if (! snd_ac97_valid_reg(ac97, reg))
1193 return 0;
1194 if (hi_max) {
1195 /* invert */
1196 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1197 tmp.index = ac97->num;
1198 kctl = snd_ctl_new1(&tmp, ac97);
1199 } else {
1200 /* invert */
1201 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1202 tmp.index = ac97->num;
1203 kctl = snd_ctl_new1(&tmp, ac97);
1204 }
1205 err = snd_ctl_add(card, kctl);
1206 if (err < 0)
1207 return err;
1208 snd_ac97_write_cache(ac97, reg,
1209 (snd_ac97_read(ac97, reg) & 0x8080) |
1210 lo_max | (hi_max << 8));
1211 return 0;
1212 }
1213
1214 /*
1215 * create a mute-switch and a volume for normal stereo/mono controls
1216 */
1217 static int snd_ac97_cmix_new_stereo(snd_card_t *card, const char *pfx, int reg, int check_stereo, ac97_t *ac97)
1218 {
1219 int err;
1220 char name[44];
1221 unsigned char lo_max, hi_max;
1222
1223 if (! snd_ac97_valid_reg(ac97, reg))
1224 return 0;
1225
1226 if (snd_ac97_try_bit(ac97, reg, 15)) {
1227 sprintf(name, "%s Switch", pfx);
1228 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1229 return err;
1230 }
1231 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1232 if (lo_max) {
1233 sprintf(name, "%s Volume", pfx);
1234 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1235 return err;
1236 }
1237 return 0;
1238 }
1239
1240 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1241 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1242
1243 static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97);
1244
1245 static int snd_ac97_mixer_build(ac97_t * ac97)
1246 {
1247 snd_card_t *card = ac97->bus->card;
1248 snd_kcontrol_t *kctl;
1249 int err;
1250 unsigned int idx;
1251 unsigned char max;
1252
1253 /* build master controls */
1254 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1255 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1256 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1257 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1258 else
1259 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1260 if (err < 0)
1261 return err;
1262 }
1263
1264 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1265
1266 /* build center controls */
1267 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1268 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1269 return err;
1270 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1271 return err;
1272 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &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);
1276 }
1277
1278 /* build LFE controls */
1279 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1280 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1281 return err;
1282 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1283 return err;
1284 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1285 kctl->private_value &= ~(0xff << 16);
1286 kctl->private_value |= (int)max << 16;
1287 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1288 }
1289
1290 /* build surround controls */
1291 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1292 /* Surround Master (0x38) is with stereo mutes */
1293 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1294 return err;
1295 }
1296
1297 /* build headphone controls */
1298 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1299 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1300 return err;
1301 }
1302
1303 /* build master mono controls */
1304 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1305 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1306 return err;
1307 }
1308
1309 /* build master tone controls */
1310 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1311 for (idx = 0; idx < 2; idx++) {
1312 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1313 return err;
1314 if (ac97->id == AC97_ID_YMF753) {
1315 kctl->private_value &= ~(0xff << 16);
1316 kctl->private_value |= 7 << 16;
1317 }
1318 }
1319 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1320 }
1321
1322 /* build PC Speaker controls */
1323 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1324 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1325 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1326 for (idx = 0; idx < 2; idx++)
1327 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1328 return err;
1329 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1330 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1331 }
1332
1333 /* build Phone controls */
1334 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1335 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1336 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1337 return err;
1338 }
1339 }
1340
1341 /* build MIC controls */
1342 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1343 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1344 return err;
1345 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1346 return err;
1347 }
1348
1349 /* build Line controls */
1350 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1351 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1352 return err;
1353 }
1354
1355 /* build CD controls */
1356 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1357 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1358 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1359 return err;
1360 }
1361 }
1362
1363 /* build Video controls */
1364 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1365 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1366 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1367 return err;
1368 }
1369 }
1370
1371 /* build Aux controls */
1372 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1373 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1374 return err;
1375 }
1376
1377 /* build PCM controls */
1378 if (ac97->flags & AC97_AD_MULTI) {
1379 unsigned short init_val;
1380 if (ac97->flags & AC97_STEREO_MUTES)
1381 init_val = 0x9f9f;
1382 else
1383 init_val = 0x9f1f;
1384 for (idx = 0; idx < 2; idx++)
1385 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1386 return err;
1387 ac97->spec.ad18xx.pcmreg[0] = init_val;
1388 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1389 for (idx = 0; idx < 2; idx++)
1390 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1391 return err;
1392 ac97->spec.ad18xx.pcmreg[1] = init_val;
1393 }
1394 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1395 for (idx = 0; idx < 2; idx++)
1396 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1397 return err;
1398 for (idx = 0; idx < 2; idx++)
1399 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1400 return err;
1401 ac97->spec.ad18xx.pcmreg[2] = init_val;
1402 }
1403 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1404 } else {
1405 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1406 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1407 else
1408 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1409 if (err < 0)
1410 return err;
1411 }
1412
1413 /* build Capture controls */
1414 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1415 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1416 return err;
1417 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1418 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1419 return err;
1420 }
1421 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1422 return err;
1423 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1424 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1425 }
1426 /* build MIC Capture controls */
1427 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1428 for (idx = 0; idx < 2; idx++)
1429 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1430 return err;
1431 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1432 }
1433
1434 /* build PCM out path & mute control */
1435 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1436 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1437 return err;
1438 }
1439
1440 /* build Simulated Stereo Enhancement control */
1441 if (ac97->caps & 0x0008) {
1442 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1443 return err;
1444 }
1445
1446 /* build 3D Stereo Enhancement control */
1447 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1448 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1449 return err;
1450 }
1451
1452 /* build Loudness control */
1453 if (ac97->caps & 0x0020) {
1454 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1455 return err;
1456 }
1457
1458 /* build Mono output select control */
1459 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1460 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1461 return err;
1462 }
1463
1464 /* build Mic select control */
1465 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1466 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1467 return err;
1468 }
1469
1470 /* build ADC/DAC loopback control */
1471 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1472 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1473 return err;
1474 }
1475
1476 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1477
1478 /* build 3D controls */
1479 if (ac97->build_ops->build_3d) {
1480 ac97->build_ops->build_3d(ac97);
1481 } else {
1482 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1483 unsigned short val;
1484 val = 0x0707;
1485 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1486 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1487 val = val == 0x0606;
1488 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1489 return err;
1490 if (val)
1491 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1492 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1493 return err;
1494 if (val)
1495 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1496 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1497 }
1498 }
1499
1500 /* build S/PDIF controls */
1501 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1502 if (ac97->build_ops->build_spdif) {
1503 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1504 return err;
1505 } else {
1506 for (idx = 0; idx < 5; idx++)
1507 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1508 return err;
1509 if (ac97->build_ops->build_post_spdif) {
1510 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1511 return err;
1512 }
1513 /* set default PCM S/PDIF params */
1514 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1515 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1516 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1517 }
1518 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1519 }
1520
1521 /* build chip specific controls */
1522 if (ac97->build_ops->build_specific)
1523 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1524 return err;
1525
1526 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1527 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1528 if (! kctl)
1529 return -ENOMEM;
1530 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1531 set_inv_eapd(ac97, kctl);
1532 if ((err = snd_ctl_add(card, kctl)) < 0)
1533 return err;
1534 }
1535
1536 return 0;
1537 }
1538
1539 static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97)
1540 {
1541 int err, idx;
1542
1543 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1544 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1545 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1546 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1547 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1548 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1549
1550 /* build modem switches */
1551 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1552 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1553 return err;
1554
1555 /* build chip specific controls */
1556 if (ac97->build_ops->build_specific)
1557 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1558 return err;
1559
1560 return 0;
1561 }
1562
1563 static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate)
1564 {
1565 unsigned short val;
1566 unsigned int tmp;
1567
1568 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1569 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1570 if (shadow_reg)
1571 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1572 val = snd_ac97_read(ac97, reg);
1573 return val == (tmp & 0xffff);
1574 }
1575
1576 static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result)
1577 {
1578 unsigned int result = 0;
1579 unsigned short saved;
1580
1581 if (ac97->bus->no_vra) {
1582 *r_result = SNDRV_PCM_RATE_48000;
1583 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1584 reg == AC97_PCM_FRONT_DAC_RATE)
1585 *r_result |= SNDRV_PCM_RATE_96000;
1586 return;
1587 }
1588
1589 saved = snd_ac97_read(ac97, reg);
1590 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1591 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1592 AC97_EA_DRA, 0);
1593 /* test a non-standard rate */
1594 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1595 result |= SNDRV_PCM_RATE_CONTINUOUS;
1596 /* let's try to obtain standard rates */
1597 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1598 result |= SNDRV_PCM_RATE_8000;
1599 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1600 result |= SNDRV_PCM_RATE_11025;
1601 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1602 result |= SNDRV_PCM_RATE_16000;
1603 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1604 result |= SNDRV_PCM_RATE_22050;
1605 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1606 result |= SNDRV_PCM_RATE_32000;
1607 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1608 result |= SNDRV_PCM_RATE_44100;
1609 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1610 result |= SNDRV_PCM_RATE_48000;
1611 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1612 reg == AC97_PCM_FRONT_DAC_RATE) {
1613 /* test standard double rates */
1614 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1615 AC97_EA_DRA, AC97_EA_DRA);
1616 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1617 result |= SNDRV_PCM_RATE_64000;
1618 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1619 result |= SNDRV_PCM_RATE_88200;
1620 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1621 result |= SNDRV_PCM_RATE_96000;
1622 /* some codecs don't support variable double rates */
1623 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1624 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1625 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1626 AC97_EA_DRA, 0);
1627 }
1628 /* restore the default value */
1629 snd_ac97_write_cache(ac97, reg, saved);
1630 if (shadow_reg)
1631 snd_ac97_write_cache(ac97, shadow_reg, saved);
1632 *r_result = result;
1633 }
1634
1635 /* check AC97_SPDIF register to accept which sample rates */
1636 static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97)
1637 {
1638 unsigned int result = 0;
1639 int i;
1640 static unsigned short ctl_bits[] = {
1641 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1642 };
1643 static unsigned int rate_bits[] = {
1644 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1645 };
1646
1647 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1648 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1649 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1650 result |= rate_bits[i];
1651 }
1652 return result;
1653 }
1654
1655 /* look for the codec id table matching with the given id */
1656 static const ac97_codec_id_t *look_for_codec_id(const ac97_codec_id_t *table,
1657 unsigned int id)
1658 {
1659 const ac97_codec_id_t *pid;
1660
1661 for (pid = table; pid->id; pid++)
1662 if (pid->id == (id & pid->mask))
1663 return pid;
1664 return NULL;
1665 }
1666
1667 void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem)
1668 {
1669 const ac97_codec_id_t *pid;
1670
1671 sprintf(name, "0x%x %c%c%c", id,
1672 printable(id >> 24),
1673 printable(id >> 16),
1674 printable(id >> 8));
1675 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1676 if (! pid)
1677 return;
1678
1679 strcpy(name, pid->name);
1680 if (ac97 && pid->patch) {
1681 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1682 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1683 pid->patch(ac97);
1684 }
1685
1686 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1687 if (pid) {
1688 strcat(name, " ");
1689 strcat(name, pid->name);
1690 if (pid->mask != 0xffffffff)
1691 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1692 if (ac97 && pid->patch) {
1693 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1694 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1695 pid->patch(ac97);
1696 }
1697 } else
1698 sprintf(name + strlen(name), " id %x", id & 0xff);
1699 }
1700
1701 /**
1702 * snd_ac97_get_short_name - retrieve codec name
1703 * @ac97: the codec instance
1704 *
1705 * Returns the short identifying name of the codec.
1706 */
1707 const char *snd_ac97_get_short_name(ac97_t *ac97)
1708 {
1709 const ac97_codec_id_t *pid;
1710
1711 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1712 if (pid->id == (ac97->id & pid->mask))
1713 return pid->name;
1714 return "unknown codec";
1715 }
1716
1717
1718 /* wait for a while until registers are accessible after RESET
1719 * return 0 if ok, negative not ready
1720 */
1721 static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
1722 {
1723 unsigned long end_time;
1724 unsigned short val;
1725
1726 end_time = jiffies + timeout;
1727 do {
1728
1729 /* use preliminary reads to settle the communication */
1730 snd_ac97_read(ac97, AC97_RESET);
1731 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1732 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1733 /* modem? */
1734 if (with_modem) {
1735 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1736 if (val != 0xffff && (val & 1) != 0)
1737 return 0;
1738 }
1739 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1740 /* probably only Xbox issue - all registers are read as zero */
1741 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1742 if (val != 0 && val != 0xffff)
1743 return 0;
1744 } else {
1745 /* because the PCM or MASTER volume registers can be modified,
1746 * the REC_GAIN register is used for tests
1747 */
1748 /* test if we can write to the record gain volume register */
1749 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1750 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1751 return 0;
1752 }
1753 set_current_state(TASK_UNINTERRUPTIBLE);
1754 schedule_timeout(1);
1755 } while (time_after_eq(end_time, jiffies));
1756 return -ENODEV;
1757 }
1758
1759 /**
1760 * snd_ac97_bus - create an AC97 bus component
1761 * @card: the card instance
1762 * @num: the bus number
1763 * @ops: the bus callbacks table
1764 * @private_data: private data pointer for the new instance
1765 * @rbus: the pointer to store the new AC97 bus instance.
1766 *
1767 * Creates an AC97 bus component. An ac97_bus_t instance is newly
1768 * allocated and initialized.
1769 *
1770 * The ops table must include valid callbacks (at least read and
1771 * write). The other callbacks, wait and reset, are not mandatory.
1772 *
1773 * The clock is set to 48000. If another clock is needed, set
1774 * (*rbus)->clock manually.
1775 *
1776 * The AC97 bus instance is registered as a low-level device, so you don't
1777 * have to release it manually.
1778 *
1779 * Returns zero if successful, or a negative error code on failure.
1780 */
1781 int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
1782 void *private_data, ac97_bus_t **rbus)
1783 {
1784 int err;
1785 ac97_bus_t *bus;
1786 static snd_device_ops_t dev_ops = {
1787 .dev_free = snd_ac97_bus_dev_free,
1788 };
1789
1790 snd_assert(card != NULL, return -EINVAL);
1791 snd_assert(rbus != NULL, return -EINVAL);
1792 bus = kcalloc(1, sizeof(*bus), GFP_KERNEL);
1793 if (bus == NULL)
1794 return -ENOMEM;
1795 bus->card = card;
1796 bus->num = num;
1797 bus->ops = ops;
1798 bus->private_data = private_data;
1799 bus->clock = 48000;
1800 spin_lock_init(&bus->bus_lock);
1801 snd_ac97_bus_proc_init(bus);
1802 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1803 snd_ac97_bus_free(bus);
1804 return err;
1805 }
1806 *rbus = bus;
1807 return 0;
1808 }
1809
1810 /* build_ops to do nothing */
1811 static struct snd_ac97_build_ops null_build_ops;
1812
1813 /**
1814 * snd_ac97_mixer - create an Codec97 component
1815 * @bus: the AC97 bus which codec is attached to
1816 * @template: the template of ac97, including index, callbacks and
1817 * the private data.
1818 * @rac97: the pointer to store the new ac97 instance.
1819 *
1820 * Creates an Codec97 component. An ac97_t instance is newly
1821 * allocated and initialized from the template. The codec
1822 * is then initialized by the standard procedure.
1823 *
1824 * The template must include the codec number (num) and address (addr),
1825 * and the private data (private_data).
1826 *
1827 * The ac97 instance is registered as a low-level device, so you don't
1828 * have to release it manually.
1829 *
1830 * Returns zero if successful, or a negative error code on failure.
1831 */
1832 int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
1833 {
1834 int err;
1835 ac97_t *ac97;
1836 snd_card_t *card;
1837 char name[64];
1838 unsigned long end_time;
1839 unsigned int reg;
1840 const ac97_codec_id_t *pid;
1841 static snd_device_ops_t ops = {
1842 .dev_free = snd_ac97_dev_free,
1843 };
1844
1845 snd_assert(rac97 != NULL, return -EINVAL);
1846 *rac97 = NULL;
1847 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1848 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1849
1850 snd_assert(bus->shared_type <= AC97_SHARED_TYPES, return -EINVAL);
1851 if (bus->shared_type) {
1852 /* already shared? */
1853 down(&shared_codec_mutex);
1854 ac97 = shared_codec[bus->shared_type-1][template->num];
1855 if (ac97) {
1856 if ((ac97_is_audio(ac97) && (template->scaps & AC97_SCAP_SKIP_AUDIO)) ||
1857 (ac97_is_modem(ac97) && (template->scaps & AC97_SCAP_SKIP_MODEM))) {
1858 up(&shared_codec_mutex);
1859 return -EACCES; /* skip this */
1860 }
1861 }
1862 up(&shared_codec_mutex);
1863 }
1864
1865 card = bus->card;
1866 ac97 = kcalloc(1, sizeof(*ac97), GFP_KERNEL);
1867 if (ac97 == NULL)
1868 return -ENOMEM;
1869 ac97->private_data = template->private_data;
1870 ac97->private_free = template->private_free;
1871 ac97->bus = bus;
1872 ac97->pci = template->pci;
1873 ac97->num = template->num;
1874 ac97->addr = template->addr;
1875 ac97->scaps = template->scaps;
1876 ac97->limited_regs = template->limited_regs;
1877 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1878 bus->codec[ac97->num] = ac97;
1879 init_MUTEX(&ac97->reg_mutex);
1880 init_MUTEX(&ac97->page_mutex);
1881
1882 if (ac97->pci) {
1883 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1884 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1885 }
1886 if (bus->ops->reset) {
1887 bus->ops->reset(ac97);
1888 goto __access_ok;
1889 }
1890
1891 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1892 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1893 if (ac97->id && ac97->id != (unsigned int)-1) {
1894 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1895 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1896 goto __access_ok;
1897 }
1898
1899 /* reset to defaults */
1900 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1901 snd_ac97_write(ac97, AC97_RESET, 0);
1902 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1903 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1904 if (bus->ops->wait)
1905 bus->ops->wait(ac97);
1906 else {
1907 udelay(50);
1908 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1909 err = ac97_reset_wait(ac97, HZ/2, 1);
1910 else {
1911 err = ac97_reset_wait(ac97, HZ/2, 0);
1912 if (err < 0)
1913 err = ac97_reset_wait(ac97, HZ/2, 1);
1914 }
1915 if (err < 0) {
1916 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1917 /* proceed anyway - it's often non-critical */
1918 }
1919 }
1920 __access_ok:
1921 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1922 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1923 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1924 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1925 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1926 snd_ac97_free(ac97);
1927 return -EIO;
1928 }
1929 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1930 if (pid)
1931 ac97->flags |= pid->flags;
1932
1933 /* test for AC'97 */
1934 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1935 /* test if we can write to the record gain volume register */
1936 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1937 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1938 ac97->scaps |= AC97_SCAP_AUDIO;
1939 }
1940 if (ac97->scaps & AC97_SCAP_AUDIO) {
1941 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1942 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1943 if (ac97->ext_id == 0xffff) /* invalid combination */
1944 ac97->ext_id = 0;
1945 }
1946
1947 /* test for MC'97 */
1948 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1949 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1950 if (ac97->ext_mid == 0xffff) /* invalid combination */
1951 ac97->ext_mid = 0;
1952 if (ac97->ext_mid & 1)
1953 ac97->scaps |= AC97_SCAP_MODEM;
1954 }
1955
1956 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1957 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1958 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1959 snd_ac97_free(ac97);
1960 return -EACCES;
1961 }
1962
1963 if (bus->ops->reset) // FIXME: always skipping?
1964 goto __ready_ok;
1965
1966 /* FIXME: add powerdown control */
1967 if (ac97_is_audio(ac97)) {
1968 /* nothing should be in powerdown mode */
1969 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1970 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1971 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1972 udelay(100);
1973 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1974 }
1975 /* nothing should be in powerdown mode */
1976 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1977 end_time = jiffies + (HZ / 10);
1978 do {
1979 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1980 goto __ready_ok;
1981 set_current_state(TASK_UNINTERRUPTIBLE);
1982 schedule_timeout(1);
1983 } while (time_after_eq(end_time, jiffies));
1984 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1985 }
1986
1987 /* FIXME: add powerdown control */
1988 if (ac97_is_modem(ac97)) {
1989 unsigned char tmp;
1990
1991 /* nothing should be in powerdown mode */
1992 /* note: it's important to set the rate at first */
1993 tmp = AC97_MEA_GPIO;
1994 if (ac97->ext_mid & AC97_MEI_LINE1) {
1995 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1996 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
1997 }
1998 if (ac97->ext_mid & AC97_MEI_LINE2) {
1999 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2000 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2001 }
2002 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2003 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2004 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2005 }
2006 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2007 udelay(100);
2008 /* nothing should be in powerdown mode */
2009 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2010 end_time = jiffies + (HZ / 10);
2011 do {
2012 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2013 goto __ready_ok;
2014 set_current_state(TASK_UNINTERRUPTIBLE);
2015 schedule_timeout(1);
2016 } while (time_after_eq(end_time, jiffies));
2017 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2018 }
2019
2020 __ready_ok:
2021 if (ac97_is_audio(ac97))
2022 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2023 else
2024 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2025 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2026 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2027 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2028 if (! bus->no_vra)
2029 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2030 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2031 }
2032 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2033 /* Intel controllers require double rate data to be put in
2034 * slots 7+8, so let's hope the codec supports it. */
2035 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2036 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2037 ac97->flags |= AC97_DOUBLE_RATE;
2038 }
2039 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2040 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2041 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2042 } else {
2043 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2044 if (ac97->flags & AC97_DOUBLE_RATE)
2045 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2046 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2047 }
2048 if (ac97->ext_id & AC97_EI_SPDIF) {
2049 /* codec specific code (patch) should override these values */
2050 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2051 }
2052 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2053 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2054 } else {
2055 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2056 }
2057 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2058 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2059 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2060 }
2061 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2062 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2063 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2064 }
2065 /* additional initializations */
2066 if (bus->ops->init)
2067 bus->ops->init(ac97);
2068 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2069 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2070 if (! ac97->build_ops)
2071 ac97->build_ops = &null_build_ops;
2072
2073 if (ac97_is_audio(ac97)) {
2074 char comp[16];
2075 if (card->mixername[0] == '\0') {
2076 strcpy(card->mixername, name);
2077 } else {
2078 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2079 strcat(card->mixername, ",");
2080 strcat(card->mixername, name);
2081 }
2082 }
2083 sprintf(comp, "AC97a:%08x", ac97->id);
2084 if ((err = snd_component_add(card, comp)) < 0) {
2085 snd_ac97_free(ac97);
2086 return err;
2087 }
2088 if (snd_ac97_mixer_build(ac97) < 0) {
2089 snd_ac97_free(ac97);
2090 return -ENOMEM;
2091 }
2092 }
2093 if (ac97_is_modem(ac97)) {
2094 char comp[16];
2095 if (card->mixername[0] == '\0') {
2096 strcpy(card->mixername, name);
2097 } else {
2098 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2099 strcat(card->mixername, ",");
2100 strcat(card->mixername, name);
2101 }
2102 }
2103 sprintf(comp, "AC97m:%08x", ac97->id);
2104 if ((err = snd_component_add(card, comp)) < 0) {
2105 snd_ac97_free(ac97);
2106 return err;
2107 }
2108 if (snd_ac97_modem_build(card, ac97) < 0) {
2109 snd_ac97_free(ac97);
2110 return -ENOMEM;
2111 }
2112 }
2113 /* make sure the proper powerdown bits are cleared */
2114 if (ac97->scaps) {
2115 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2116 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2117 reg &= ~AC97_EA_PRJ;
2118 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2119 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2120 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2121 }
2122 snd_ac97_proc_init(ac97);
2123 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2124 snd_ac97_free(ac97);
2125 return err;
2126 }
2127 *rac97 = ac97;
2128
2129 if (bus->shared_type) {
2130 down(&shared_codec_mutex);
2131 shared_codec[bus->shared_type-1][ac97->num] = ac97;
2132 up(&shared_codec_mutex);
2133 }
2134
2135 return 0;
2136 }
2137
2138
2139 /*
2140 * Power down the chip.
2141 *
2142 * MASTER and HEADPHONE registers are muted but the register cache values
2143 * are not changed, so that the values can be restored in snd_ac97_resume().
2144 */
2145 static void snd_ac97_powerdown(ac97_t *ac97)
2146 {
2147 unsigned short power;
2148
2149 if (ac97_is_audio(ac97)) {
2150 /* some codecs have stereo mute bits */
2151 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2152 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2153 }
2154
2155 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2156 power |= 0x4000; /* Headphone amplifier powerdown */
2157 power |= 0x0300; /* ADC & DAC powerdown */
2158 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2159 udelay(100);
2160 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2161 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2162 udelay(100);
2163 #if 0
2164 /* FIXME: this causes click noises on some boards at resume */
2165 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2166 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2167 #endif
2168 }
2169
2170
2171 #ifdef CONFIG_PM
2172 /**
2173 * snd_ac97_suspend - General suspend function for AC97 codec
2174 * @ac97: the ac97 instance
2175 *
2176 * Suspends the codec, power down the chip.
2177 */
2178 void snd_ac97_suspend(ac97_t *ac97)
2179 {
2180 if (ac97->build_ops->suspend)
2181 ac97->build_ops->suspend(ac97);
2182 snd_ac97_powerdown(ac97);
2183 }
2184
2185 /*
2186 * restore ac97 status
2187 */
2188 void snd_ac97_restore_status(ac97_t *ac97)
2189 {
2190 int i;
2191
2192 for (i = 2; i < 0x7c ; i += 2) {
2193 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2194 continue;
2195 /* restore only accessible registers
2196 * some chip (e.g. nm256) may hang up when unsupported registers
2197 * are accessed..!
2198 */
2199 if (test_bit(i, ac97->reg_accessed)) {
2200 snd_ac97_write(ac97, i, ac97->regs[i]);
2201 snd_ac97_read(ac97, i);
2202 }
2203 }
2204 }
2205
2206 /*
2207 * restore IEC958 status
2208 */
2209 void snd_ac97_restore_iec958(ac97_t *ac97)
2210 {
2211 if (ac97->ext_id & AC97_EI_SPDIF) {
2212 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2213 /* reset spdif status */
2214 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2215 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2216 if (ac97->flags & AC97_CS_SPDIF)
2217 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2218 else
2219 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2220 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2221 }
2222 }
2223 }
2224
2225 /**
2226 * snd_ac97_resume - General resume function for AC97 codec
2227 * @ac97: the ac97 instance
2228 *
2229 * Do the standard resume procedure, power up and restoring the
2230 * old register values.
2231 */
2232 void snd_ac97_resume(ac97_t *ac97)
2233 {
2234 unsigned long end_time;
2235
2236 if (ac97->bus->ops->reset) {
2237 ac97->bus->ops->reset(ac97);
2238 goto __reset_ready;
2239 }
2240
2241 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2242 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2243 snd_ac97_write(ac97, AC97_RESET, 0);
2244 udelay(100);
2245 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2246 }
2247 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2248
2249 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2250 if (ac97_is_audio(ac97)) {
2251 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2252 end_time = jiffies + msecs_to_jiffies(100);
2253 do {
2254 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2255 break;
2256 set_current_state(TASK_UNINTERRUPTIBLE);
2257 schedule_timeout(1);
2258 } while (time_after_eq(end_time, jiffies));
2259 /* FIXME: extra delay */
2260 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2261 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2262 msleep(250);
2263 } else {
2264 end_time = jiffies + msecs_to_jiffies(100);
2265 do {
2266 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2267 if (val != 0xffff && (val & 1) != 0)
2268 break;
2269 set_current_state(TASK_UNINTERRUPTIBLE);
2270 schedule_timeout(1);
2271 } while (time_after_eq(end_time, jiffies));
2272 }
2273 __reset_ready:
2274
2275 if (ac97->bus->ops->init)
2276 ac97->bus->ops->init(ac97);
2277
2278 if (ac97->build_ops->resume)
2279 ac97->build_ops->resume(ac97);
2280 else {
2281 snd_ac97_restore_status(ac97);
2282 snd_ac97_restore_iec958(ac97);
2283 }
2284 }
2285 #endif
2286
2287
2288 /*
2289 * Hardware tuning
2290 */
2291 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2292 {
2293 if (suffix)
2294 sprintf(dst, "%s %s", src, suffix);
2295 else
2296 strcpy(dst, src);
2297 }
2298
2299 /* remove the control with the given name and optional suffix */
2300 int snd_ac97_remove_ctl(ac97_t *ac97, const char *name, const char *suffix)
2301 {
2302 snd_ctl_elem_id_t id;
2303 memset(&id, 0, sizeof(id));
2304 set_ctl_name(id.name, name, suffix);
2305 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2306 return snd_ctl_remove_id(ac97->bus->card, &id);
2307 }
2308
2309 static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name, const char *suffix)
2310 {
2311 snd_ctl_elem_id_t sid;
2312 memset(&sid, 0, sizeof(sid));
2313 set_ctl_name(sid.name, name, suffix);
2314 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2315 return snd_ctl_find_id(ac97->bus->card, &sid);
2316 }
2317
2318 /* rename the control with the given name and optional suffix */
2319 int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const char *suffix)
2320 {
2321 snd_kcontrol_t *kctl = ctl_find(ac97, src, suffix);
2322 if (kctl) {
2323 set_ctl_name(kctl->id.name, dst, suffix);
2324 return 0;
2325 }
2326 return -ENOENT;
2327 }
2328
2329 /* rename both Volume and Switch controls - don't check the return value */
2330 void snd_ac97_rename_vol_ctl(ac97_t *ac97, const char *src, const char *dst)
2331 {
2332 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2333 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2334 }
2335
2336 /* swap controls */
2337 int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *suffix)
2338 {
2339 snd_kcontrol_t *kctl1, *kctl2;
2340 kctl1 = ctl_find(ac97, s1, suffix);
2341 kctl2 = ctl_find(ac97, s2, suffix);
2342 if (kctl1 && kctl2) {
2343 set_ctl_name(kctl1->id.name, s2, suffix);
2344 set_ctl_name(kctl2->id.name, s1, suffix);
2345 return 0;
2346 }
2347 return -ENOENT;
2348 }
2349
2350 #if 1
2351 /* bind hp and master controls instead of using only hp control */
2352 static int bind_hp_volsw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2353 {
2354 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2355 if (err > 0) {
2356 unsigned long priv_saved = kcontrol->private_value;
2357 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2358 snd_ac97_put_volsw(kcontrol, ucontrol);
2359 kcontrol->private_value = priv_saved;
2360 }
2361 return err;
2362 }
2363
2364 /* ac97 tune: bind Master and Headphone controls */
2365 static int tune_hp_only(ac97_t *ac97)
2366 {
2367 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2368 snd_kcontrol_t *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2369 if (! msw || ! mvol)
2370 return -ENOENT;
2371 msw->put = bind_hp_volsw_put;
2372 mvol->put = bind_hp_volsw_put;
2373 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2374 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2375 return 0;
2376 }
2377
2378 #else
2379 /* ac97 tune: use Headphone control as master */
2380 static int tune_hp_only(ac97_t *ac97)
2381 {
2382 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2383 return -ENOENT;
2384 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2385 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2386 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2387 return 0;
2388 }
2389 #endif
2390
2391 /* ac97 tune: swap Headphone and Master controls */
2392 static int tune_swap_hp(ac97_t *ac97)
2393 {
2394 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2395 return -ENOENT;
2396 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2397 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2398 return 0;
2399 }
2400
2401 /* ac97 tune: swap Surround and Master controls */
2402 static int tune_swap_surround(ac97_t *ac97)
2403 {
2404 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2405 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2406 return -ENOENT;
2407 return 0;
2408 }
2409
2410 /* ac97 tune: set up mic sharing for AD codecs */
2411 static int tune_ad_sharing(ac97_t *ac97)
2412 {
2413 unsigned short scfg;
2414 if ((ac97->id & 0xffffff00) != 0x41445300) {
2415 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2416 return -EINVAL;
2417 }
2418 /* Turn on OMS bit to route microphone to back panel */
2419 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2420 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2421 return 0;
2422 }
2423
2424 static const snd_kcontrol_new_t snd_ac97_alc_jack_detect =
2425 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2426
2427 /* ac97 tune: set up ALC jack-select */
2428 static int tune_alc_jack(ac97_t *ac97)
2429 {
2430 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2431 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2432 return -EINVAL;
2433 }
2434 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2435 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2436 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2437 }
2438
2439 /* ac97 tune: inversed EAPD bit */
2440 static int tune_inv_eapd(ac97_t *ac97)
2441 {
2442 snd_kcontrol_t *kctl = ctl_find(ac97, "External Amplifier", NULL);
2443 if (! kctl)
2444 return -ENOENT;
2445 set_inv_eapd(ac97, kctl);
2446 return 0;
2447 }
2448
2449 static int master_mute_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2450 {
2451 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2452 if (err > 0) {
2453 ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
2454 int shift = (kcontrol->private_value >> 8) & 0x0f;
2455 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2456 unsigned short mask;
2457 if (shift != rshift)
2458 mask = 0x8080;
2459 else
2460 mask = 0x8000;
2461 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2462 (ac97->regs[AC97_MASTER] & mask) == mask ?
2463 0x8000 : 0);
2464 }
2465 return err;
2466 }
2467
2468 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2469 static int tune_mute_led(ac97_t *ac97)
2470 {
2471 snd_kcontrol_t *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2472 if (! msw)
2473 return -ENOENT;
2474 msw->put = master_mute_sw_put;
2475 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2476 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2477 return 0;
2478 }
2479
2480 struct quirk_table {
2481 const char *name;
2482 int (*func)(ac97_t *);
2483 };
2484
2485 static struct quirk_table applicable_quirks[] = {
2486 { "none", NULL },
2487 { "hp_only", tune_hp_only },
2488 { "swap_hp", tune_swap_hp },
2489 { "swap_surround", tune_swap_surround },
2490 { "ad_sharing", tune_ad_sharing },
2491 { "alc_jack", tune_alc_jack },
2492 { "inv_eapd", tune_inv_eapd },
2493 { "mute_led", tune_mute_led },
2494 };
2495
2496 /* apply the quirk with the given type */
2497 static int apply_quirk(ac97_t *ac97, int type)
2498 {
2499 if (type <= 0)
2500 return 0;
2501 else if (type >= ARRAY_SIZE(applicable_quirks))
2502 return -EINVAL;
2503 if (applicable_quirks[type].func)
2504 return applicable_quirks[type].func(ac97);
2505 return 0;
2506 }
2507
2508 /* apply the quirk with the given name */
2509 static int apply_quirk_str(ac97_t *ac97, const char *typestr)
2510 {
2511 int i;
2512 struct quirk_table *q;
2513
2514 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2515 q = &applicable_quirks[i];
2516 if (q->name && ! strcmp(typestr, q->name))
2517 return apply_quirk(ac97, i);
2518 }
2519 /* for compatibility, accept the numbers, too */
2520 if (*typestr >= '0' && *typestr <= '9')
2521 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2522 return -EINVAL;
2523 }
2524
2525 /**
2526 * snd_ac97_tune_hardware - tune up the hardware
2527 * @ac97: the ac97 instance
2528 * @quirk: quirk list
2529 * @override: explicit quirk value (overrides the list if non-NULL)
2530 *
2531 * Do some workaround for each pci device, such as renaming of the
2532 * headphone (true line-out) control as "Master".
2533 * The quirk-list must be terminated with a zero-filled entry.
2534 *
2535 * Returns zero if successful, or a negative error code on failure.
2536 */
2537
2538 int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override)
2539 {
2540 int result;
2541
2542 snd_assert(quirk, return -EINVAL);
2543
2544 /* quirk overriden? */
2545 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2546 result = apply_quirk_str(ac97, override);
2547 if (result < 0)
2548 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2549 return result;
2550 }
2551
2552 for (; quirk->subvendor; quirk++) {
2553 if (quirk->subvendor != ac97->subsystem_vendor)
2554 continue;
2555 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2556 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2557 if (quirk->codec_id && quirk->codec_id != ac97->id)
2558 continue;
2559 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2560 result = apply_quirk(ac97, quirk->type);
2561 if (result < 0)
2562 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2563 return result;
2564 }
2565 }
2566 return 0;
2567 }
2568
2569
2570 /*
2571 * Exported symbols
2572 */
2573
2574 EXPORT_SYMBOL(snd_ac97_write);
2575 EXPORT_SYMBOL(snd_ac97_read);
2576 EXPORT_SYMBOL(snd_ac97_write_cache);
2577 EXPORT_SYMBOL(snd_ac97_update);
2578 EXPORT_SYMBOL(snd_ac97_update_bits);
2579 EXPORT_SYMBOL(snd_ac97_get_short_name);
2580 EXPORT_SYMBOL(snd_ac97_bus);
2581 EXPORT_SYMBOL(snd_ac97_mixer);
2582 EXPORT_SYMBOL(snd_ac97_pcm_assign);
2583 EXPORT_SYMBOL(snd_ac97_pcm_open);
2584 EXPORT_SYMBOL(snd_ac97_pcm_close);
2585 EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2586 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2587 EXPORT_SYMBOL(snd_ac97_set_rate);
2588 #ifdef CONFIG_PM
2589 EXPORT_SYMBOL(snd_ac97_resume);
2590 EXPORT_SYMBOL(snd_ac97_suspend);
2591 #endif
2592
2593 /*
2594 * INIT part
2595 */
2596
2597 static int __init alsa_ac97_init(void)
2598 {
2599 return 0;
2600 }
2601
2602 static void __exit alsa_ac97_exit(void)
2603 {
2604 }
2605
2606 module_init(alsa_ac97_init)
2607 module_exit(alsa_ac97_exit)
Linux kernel - Deliverables
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