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[PATCH] W1: Change the type 'unsigned long' member of 'struct w1_bus_master' to ...
[linux-2.6/verdex.git] / sound / pci / ac97 / ac97_codec.c
blob278319bbdea19b0dceb94aa421ab102120dd0b87
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 <linux/mutex.h>
32 #include <sound/core.h>
33 #include <sound/pcm.h>
34 #include <sound/ac97_codec.h>
35 #include <sound/asoundef.h>
36 #include <sound/initval.h>
37 #include "ac97_local.h"
38 #include "ac97_id.h"
39 #include "ac97_patch.h"
40
41 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
42 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
43 MODULE_LICENSE("GPL");
44
45 static int enable_loopback;
46
47 module_param(enable_loopback, bool, 0444);
48 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
49
50 /*
51
52 */
53
54 struct ac97_codec_id {
55 unsigned int id;
56 unsigned int mask;
57 const char *name;
58 int (*patch)(struct snd_ac97 *ac97);
59 int (*mpatch)(struct snd_ac97 *ac97);
60 unsigned int flags;
61 };
62
63 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
64 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
65 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
66 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
67 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
68 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
69 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
70 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
71 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
72 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
73 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
74 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
75 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
76 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
77 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
78 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
79 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
80 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
81 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
82 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
83 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
84 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
85 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
86 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
87 { 0, 0, NULL, NULL, NULL }
88 };
89
90 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
91 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
92 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
93 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
94 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
95 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
96 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
97 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
98 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
99 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
100 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
101 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
102 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
103 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
104 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
105 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
106 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
107 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
108 { 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL },
109 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
110 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
111 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
112 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
113 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
114 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
115 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
116 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
117 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
118 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
119 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
120 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
121 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
122 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
123 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
124 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
125 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
126 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
127 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
128 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
129 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
130 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
131 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
132 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
133 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
134 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
135 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
136 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
137 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
138 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
139 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
140 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
141 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
142 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
143 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
144 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
145 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
146 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
147 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
148 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
149 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
150 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
151 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
152 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
153 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
154 { 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
155 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
156 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
157 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
158 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
159 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
160 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
161 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
162 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
163 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
164 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
165 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
166 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
167 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
168 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
169 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
170 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
171 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
172 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
173 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
174 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
175 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
176 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
177 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
178 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
179 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
180 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
181 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
182 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
183 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
184 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
185 { 0, 0, NULL, NULL, NULL }
186 };
187
188
189 /*
190 * I/O routines
191 */
192
193 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
194 {
195 /* filter some registers for buggy codecs */
196 switch (ac97->id) {
197 case AC97_ID_AK4540:
198 case AC97_ID_AK4542:
199 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
200 return 1;
201 return 0;
202 case AC97_ID_AD1819: /* AD1819 */
203 case AC97_ID_AD1881: /* AD1881 */
204 case AC97_ID_AD1881A: /* AD1881A */
205 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
206 return 0;
207 return 1;
208 case AC97_ID_AD1885: /* AD1885 */
209 case AC97_ID_AD1886: /* AD1886 */
210 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
211 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
212 if (reg == 0x5a)
213 return 1;
214 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
215 return 0;
216 return 1;
217 case AC97_ID_STAC9700:
218 case AC97_ID_STAC9704:
219 case AC97_ID_STAC9705:
220 case AC97_ID_STAC9708:
221 case AC97_ID_STAC9721:
222 case AC97_ID_STAC9744:
223 case AC97_ID_STAC9756:
224 if (reg <= 0x3a || reg >= 0x5a)
225 return 1;
226 return 0;
227 }
228 return 1;
229 }
230
231 /**
232 * snd_ac97_write - write a value on the given register
233 * @ac97: the ac97 instance
234 * @reg: the register to change
235 * @value: the value to set
236 *
237 * Writes a value on the given register. This will invoke the write
238 * callback directly after the register check.
239 * This function doesn't change the register cache unlike
240 * #snd_ca97_write_cache(), so use this only when you don't want to
241 * reflect the change to the suspend/resume state.
242 */
243 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
244 {
245 if (!snd_ac97_valid_reg(ac97, reg))
246 return;
247 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
248 /* Fix H/W bug of ALC100/100P */
249 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
250 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
251 }
252 ac97->bus->ops->write(ac97, reg, value);
253 }
254
255 /**
256 * snd_ac97_read - read a value from the given register
257 *
258 * @ac97: the ac97 instance
259 * @reg: the register to read
260 *
261 * Reads a value from the given register. This will invoke the read
262 * callback directly after the register check.
263 *
264 * Returns the read value.
265 */
266 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
267 {
268 if (!snd_ac97_valid_reg(ac97, reg))
269 return 0;
270 return ac97->bus->ops->read(ac97, reg);
271 }
272
273 /* read a register - return the cached value if already read */
274 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
275 {
276 if (! test_bit(reg, ac97->reg_accessed)) {
277 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
278 // set_bit(reg, ac97->reg_accessed);
279 }
280 return ac97->regs[reg];
281 }
282
283 /**
284 * snd_ac97_write_cache - write a value on the given register and update the cache
285 * @ac97: the ac97 instance
286 * @reg: the register to change
287 * @value: the value to set
288 *
289 * Writes a value on the given register and updates the register
290 * cache. The cached values are used for the cached-read and the
291 * suspend/resume.
292 */
293 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
294 {
295 if (!snd_ac97_valid_reg(ac97, reg))
296 return;
297 mutex_lock(&ac97->reg_mutex);
298 ac97->regs[reg] = value;
299 ac97->bus->ops->write(ac97, reg, value);
300 set_bit(reg, ac97->reg_accessed);
301 mutex_unlock(&ac97->reg_mutex);
302 }
303
304 /**
305 * snd_ac97_update - update the value on the given register
306 * @ac97: the ac97 instance
307 * @reg: the register to change
308 * @value: the value to set
309 *
310 * Compares the value with the register cache and updates the value
311 * only when the value is changed.
312 *
313 * Returns 1 if the value is changed, 0 if no change, or a negative
314 * code on failure.
315 */
316 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
317 {
318 int change;
319
320 if (!snd_ac97_valid_reg(ac97, reg))
321 return -EINVAL;
322 mutex_lock(&ac97->reg_mutex);
323 change = ac97->regs[reg] != value;
324 if (change) {
325 ac97->regs[reg] = value;
326 ac97->bus->ops->write(ac97, reg, value);
327 }
328 set_bit(reg, ac97->reg_accessed);
329 mutex_unlock(&ac97->reg_mutex);
330 return change;
331 }
332
333 /**
334 * snd_ac97_update_bits - update the bits on the given register
335 * @ac97: the ac97 instance
336 * @reg: the register to change
337 * @mask: the bit-mask to change
338 * @value: the value to set
339 *
340 * Updates the masked-bits on the given register only when the value
341 * is changed.
342 *
343 * Returns 1 if the bits are changed, 0 if no change, or a negative
344 * code on failure.
345 */
346 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
347 {
348 int change;
349
350 if (!snd_ac97_valid_reg(ac97, reg))
351 return -EINVAL;
352 mutex_lock(&ac97->reg_mutex);
353 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
354 mutex_unlock(&ac97->reg_mutex);
355 return change;
356 }
357
358 /* no lock version - see snd_ac97_updat_bits() */
359 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
360 unsigned short mask, unsigned short value)
361 {
362 int change;
363 unsigned short old, new;
364
365 old = snd_ac97_read_cache(ac97, reg);
366 new = (old & ~mask) | value;
367 change = old != new;
368 if (change) {
369 ac97->regs[reg] = new;
370 ac97->bus->ops->write(ac97, reg, new);
371 }
372 set_bit(reg, ac97->reg_accessed);
373 return change;
374 }
375
376 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
377 {
378 int change;
379 unsigned short old, new, cfg;
380
381 mutex_lock(&ac97->page_mutex);
382 old = ac97->spec.ad18xx.pcmreg[codec];
383 new = (old & ~mask) | value;
384 change = old != new;
385 if (change) {
386 mutex_lock(&ac97->reg_mutex);
387 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
388 ac97->spec.ad18xx.pcmreg[codec] = new;
389 /* select single codec */
390 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
391 (cfg & ~0x7000) |
392 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
393 /* update PCM bits */
394 ac97->bus->ops->write(ac97, AC97_PCM, new);
395 /* select all codecs */
396 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
397 cfg | 0x7000);
398 mutex_unlock(&ac97->reg_mutex);
399 }
400 mutex_unlock(&ac97->page_mutex);
401 return change;
402 }
403
404 /*
405 * Controls
406 */
407
408 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
409 {
410 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
411
412 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
413 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
414 uinfo->value.enumerated.items = e->mask;
415
416 if (uinfo->value.enumerated.item > e->mask - 1)
417 uinfo->value.enumerated.item = e->mask - 1;
418 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
419 return 0;
420 }
421
422 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
423 {
424 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
425 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
426 unsigned short val, bitmask;
427
428 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
429 ;
430 val = snd_ac97_read_cache(ac97, e->reg);
431 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
432 if (e->shift_l != e->shift_r)
433 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
434
435 return 0;
436 }
437
438 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
439 {
440 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
441 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
442 unsigned short val;
443 unsigned short mask, bitmask;
444
445 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
446 ;
447 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
448 return -EINVAL;
449 val = ucontrol->value.enumerated.item[0] << e->shift_l;
450 mask = (bitmask - 1) << e->shift_l;
451 if (e->shift_l != e->shift_r) {
452 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
453 return -EINVAL;
454 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
455 mask |= (bitmask - 1) << e->shift_r;
456 }
457 return snd_ac97_update_bits(ac97, e->reg, mask, val);
458 }
459
460 /* save/restore ac97 v2.3 paging */
461 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
462 {
463 int page_save = -1;
464 if ((kcontrol->private_value & (1<<25)) &&
465 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
466 (reg >= 0x60 && reg < 0x70)) {
467 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
468 mutex_lock(&ac97->page_mutex); /* lock paging */
469 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
470 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
471 }
472 return page_save;
473 }
474
475 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
476 {
477 if (page_save >= 0) {
478 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
479 mutex_unlock(&ac97->page_mutex); /* unlock paging */
480 }
481 }
482
483 /* volume and switch controls */
484 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
485 {
486 int mask = (kcontrol->private_value >> 16) & 0xff;
487 int shift = (kcontrol->private_value >> 8) & 0x0f;
488 int rshift = (kcontrol->private_value >> 12) & 0x0f;
489
490 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
491 uinfo->count = shift == rshift ? 1 : 2;
492 uinfo->value.integer.min = 0;
493 uinfo->value.integer.max = mask;
494 return 0;
495 }
496
497 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
498 {
499 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
500 int reg = kcontrol->private_value & 0xff;
501 int shift = (kcontrol->private_value >> 8) & 0x0f;
502 int rshift = (kcontrol->private_value >> 12) & 0x0f;
503 int mask = (kcontrol->private_value >> 16) & 0xff;
504 int invert = (kcontrol->private_value >> 24) & 0x01;
505 int page_save;
506
507 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
508 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
509 if (shift != rshift)
510 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
511 if (invert) {
512 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
513 if (shift != rshift)
514 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
515 }
516 snd_ac97_page_restore(ac97, page_save);
517 return 0;
518 }
519
520 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
521 {
522 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
523 int reg = kcontrol->private_value & 0xff;
524 int shift = (kcontrol->private_value >> 8) & 0x0f;
525 int rshift = (kcontrol->private_value >> 12) & 0x0f;
526 int mask = (kcontrol->private_value >> 16) & 0xff;
527 int invert = (kcontrol->private_value >> 24) & 0x01;
528 int err, page_save;
529 unsigned short val, val2, val_mask;
530
531 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
532 val = (ucontrol->value.integer.value[0] & mask);
533 if (invert)
534 val = mask - val;
535 val_mask = mask << shift;
536 val = val << shift;
537 if (shift != rshift) {
538 val2 = (ucontrol->value.integer.value[1] & mask);
539 if (invert)
540 val2 = mask - val2;
541 val_mask |= mask << rshift;
542 val |= val2 << rshift;
543 }
544 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
545 snd_ac97_page_restore(ac97, page_save);
546 return err;
547 }
548
549 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
550 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
551 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
552 };
553
554 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
555 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
556 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
557 };
558
559 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
560 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
561 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
562 };
563
564 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
565 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
566
567
568 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
569 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
570 static const char* std_mix[] = {"Mix", "Mic"};
571 static const char* std_mic[] = {"Mic1", "Mic2"};
572
573 static const struct ac97_enum std_enum[] = {
574 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
575 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
576 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
577 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
578 };
579
580 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
581 AC97_ENUM("Capture Source", std_enum[0]);
582
583 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
584 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
585
586 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
587 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
588 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
589 };
590
591 enum {
592 AC97_GENERAL_PCM_OUT = 0,
593 AC97_GENERAL_STEREO_ENHANCEMENT,
594 AC97_GENERAL_3D,
595 AC97_GENERAL_LOUDNESS,
596 AC97_GENERAL_MONO,
597 AC97_GENERAL_MIC,
598 AC97_GENERAL_LOOPBACK
599 };
600
601 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
602 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
603 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
604 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
605 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
606 AC97_ENUM("Mono Output Select", std_enum[2]),
607 AC97_ENUM("Mic Select", std_enum[3]),
608 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
609 };
610
611 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
612 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
613 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
614 };
615
616 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
617 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
618 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
619 };
620
621 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
622 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
623 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
624 };
625
626 static const struct snd_kcontrol_new snd_ac97_control_eapd =
627 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
628
629 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
630 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
631 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
632 };
633
634 /* change the existing EAPD control as inverted */
635 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
636 {
637 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
638 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
639 ac97->scaps |= AC97_SCAP_INV_EAPD;
640 }
641
642 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
643 {
644 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
645 uinfo->count = 1;
646 return 0;
647 }
648
649 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
650 {
651 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
652 IEC958_AES0_NONAUDIO |
653 IEC958_AES0_CON_EMPHASIS_5015 |
654 IEC958_AES0_CON_NOT_COPYRIGHT;
655 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
656 IEC958_AES1_CON_ORIGINAL;
657 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
658 return 0;
659 }
660
661 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
662 {
663 /* FIXME: AC'97 spec doesn't say which bits are used for what */
664 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
665 IEC958_AES0_NONAUDIO |
666 IEC958_AES0_PRO_FS |
667 IEC958_AES0_PRO_EMPHASIS_5015;
668 return 0;
669 }
670
671 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
672 {
673 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
674
675 mutex_lock(&ac97->reg_mutex);
676 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
677 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
678 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
679 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
680 mutex_unlock(&ac97->reg_mutex);
681 return 0;
682 }
683
684 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
685 {
686 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
687 unsigned int new = 0;
688 unsigned short val = 0;
689 int change;
690
691 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
692 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
693 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
694 switch (new & IEC958_AES0_PRO_FS) {
695 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
696 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
697 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
698 default: val |= 1<<12; break;
699 }
700 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
701 val |= 1<<3;
702 } else {
703 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
704 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
705 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
706 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
707 val |= 1<<3;
708 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
709 val |= 1<<2;
710 val |= ((new >> 8) & 0xff) << 4; // category + original
711 switch ((new >> 24) & 0xff) {
712 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
713 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
714 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
715 default: val |= 1<<12; break;
716 }
717 }
718
719 mutex_lock(&ac97->reg_mutex);
720 change = ac97->spdif_status != new;
721 ac97->spdif_status = new;
722
723 if (ac97->flags & AC97_CS_SPDIF) {
724 int x = (val >> 12) & 0x03;
725 switch (x) {
726 case 0: x = 1; break; // 44.1
727 case 2: x = 0; break; // 48.0
728 default: x = 0; break; // illegal.
729 }
730 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
731 } else if (ac97->flags & AC97_CX_SPDIF) {
732 int v;
733 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
734 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
735 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
736 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
737 v);
738 } else {
739 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
740 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
741
742 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
743 if (extst & AC97_EA_SPDIF) {
744 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
745 }
746 }
747 mutex_unlock(&ac97->reg_mutex);
748
749 return change;
750 }
751
752 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
753 {
754 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
755 int reg = kcontrol->private_value & 0xff;
756 int shift = (kcontrol->private_value >> 8) & 0xff;
757 int mask = (kcontrol->private_value >> 16) & 0xff;
758 // int invert = (kcontrol->private_value >> 24) & 0xff;
759 unsigned short value, old, new;
760 int change;
761
762 value = (ucontrol->value.integer.value[0] & mask);
763
764 mutex_lock(&ac97->reg_mutex);
765 mask <<= shift;
766 value <<= shift;
767 old = snd_ac97_read_cache(ac97, reg);
768 new = (old & ~mask) | value;
769 change = old != new;
770
771 if (change) {
772 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
773 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
774 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
775 if (extst & AC97_EA_SPDIF)
776 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
777 }
778 mutex_unlock(&ac97->reg_mutex);
779 return change;
780 }
781
782 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
783 {
784 .access = SNDRV_CTL_ELEM_ACCESS_READ,
785 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
786 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
787 .info = snd_ac97_spdif_mask_info,
788 .get = snd_ac97_spdif_cmask_get,
789 },
790 {
791 .access = SNDRV_CTL_ELEM_ACCESS_READ,
792 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
793 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
794 .info = snd_ac97_spdif_mask_info,
795 .get = snd_ac97_spdif_pmask_get,
796 },
797 {
798 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
799 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
800 .info = snd_ac97_spdif_mask_info,
801 .get = snd_ac97_spdif_default_get,
802 .put = snd_ac97_spdif_default_put,
803 },
804
805 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
806 {
807 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
808 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
809 .info = snd_ac97_info_volsw,
810 .get = snd_ac97_get_volsw,
811 .put = snd_ac97_put_spsa,
812 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
813 },
814 };
815
816 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
817 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
818 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
819 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
820
821 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
822 {
823 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
824 int mask = (kcontrol->private_value >> 16) & 0x0f;
825 int lshift = (kcontrol->private_value >> 8) & 0x0f;
826 int rshift = (kcontrol->private_value >> 12) & 0x0f;
827
828 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
829 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
830 uinfo->count = 2;
831 else
832 uinfo->count = 1;
833 uinfo->value.integer.min = 0;
834 uinfo->value.integer.max = mask;
835 return 0;
836 }
837
838 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
839 {
840 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
841 int codec = kcontrol->private_value & 3;
842 int lshift = (kcontrol->private_value >> 8) & 0x0f;
843 int rshift = (kcontrol->private_value >> 12) & 0x0f;
844 int mask = (kcontrol->private_value >> 16) & 0xff;
845
846 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
847 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
848 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
849 return 0;
850 }
851
852 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
853 {
854 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
855 int codec = kcontrol->private_value & 3;
856 int lshift = (kcontrol->private_value >> 8) & 0x0f;
857 int rshift = (kcontrol->private_value >> 12) & 0x0f;
858 int mask = (kcontrol->private_value >> 16) & 0xff;
859 unsigned short val, valmask;
860
861 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
862 valmask = mask << lshift;
863 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
864 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
865 valmask |= mask << rshift;
866 }
867 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
868 }
869
870 #define AD18XX_PCM_VOLUME(xname, codec) \
871 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
872 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
873 .private_value = codec }
874
875 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
876 {
877 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
878 uinfo->count = 2;
879 uinfo->value.integer.min = 0;
880 uinfo->value.integer.max = 31;
881 return 0;
882 }
883
884 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
885 {
886 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
887 int codec = kcontrol->private_value & 3;
888
889 mutex_lock(&ac97->page_mutex);
890 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
891 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
892 mutex_unlock(&ac97->page_mutex);
893 return 0;
894 }
895
896 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
897 {
898 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
899 int codec = kcontrol->private_value & 3;
900 unsigned short val1, val2;
901
902 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
903 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
904 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
905 }
906
907 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
908 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
909 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
910 };
911
912 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
913 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
914 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
915 };
916
917 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
918 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
919 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
920 };
921
922 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
923 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
924 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
925 };
926
927 /*
928 *
929 */
930
931 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
932
933 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
934 {
935 if (bus) {
936 snd_ac97_bus_proc_done(bus);
937 kfree(bus->pcms);
938 if (bus->private_free)
939 bus->private_free(bus);
940 kfree(bus);
941 }
942 return 0;
943 }
944
945 static int snd_ac97_bus_dev_free(struct snd_device *device)
946 {
947 struct snd_ac97_bus *bus = device->device_data;
948 return snd_ac97_bus_free(bus);
949 }
950
951 static int snd_ac97_free(struct snd_ac97 *ac97)
952 {
953 if (ac97) {
954 snd_ac97_proc_done(ac97);
955 if (ac97->bus)
956 ac97->bus->codec[ac97->num] = NULL;
957 if (ac97->private_free)
958 ac97->private_free(ac97);
959 kfree(ac97);
960 }
961 return 0;
962 }
963
964 static int snd_ac97_dev_free(struct snd_device *device)
965 {
966 struct snd_ac97 *ac97 = device->device_data;
967 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
968 return snd_ac97_free(ac97);
969 }
970
971 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
972 {
973 unsigned short val, mask = 0x8000;
974
975 if (! snd_ac97_valid_reg(ac97, reg))
976 return 0;
977
978 switch (reg) {
979 case AC97_MASTER_TONE:
980 return ac97->caps & 0x04 ? 1 : 0;
981 case AC97_HEADPHONE:
982 return ac97->caps & 0x10 ? 1 : 0;
983 case AC97_REC_GAIN_MIC:
984 return ac97->caps & 0x01 ? 1 : 0;
985 case AC97_3D_CONTROL:
986 if (ac97->caps & 0x7c00) {
987 val = snd_ac97_read(ac97, reg);
988 /* if nonzero - fixed and we can't set it */
989 return val == 0;
990 }
991 return 0;
992 case AC97_CENTER_LFE_MASTER: /* center */
993 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
994 return 0;
995 break;
996 case AC97_CENTER_LFE_MASTER+1: /* lfe */
997 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
998 return 0;
999 reg = AC97_CENTER_LFE_MASTER;
1000 mask = 0x0080;
1001 break;
1002 case AC97_SURROUND_MASTER:
1003 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1004 return 0;
1005 break;
1006 }
1007
1008 val = snd_ac97_read(ac97, reg);
1009 if (!(val & mask)) {
1010 /* nothing seems to be here - mute flag is not set */
1011 /* try another test */
1012 snd_ac97_write_cache(ac97, reg, val | mask);
1013 val = snd_ac97_read(ac97, reg);
1014 val = snd_ac97_read(ac97, reg);
1015 if (!(val & mask))
1016 return 0; /* nothing here */
1017 }
1018 return 1; /* success, useable */
1019 }
1020
1021 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1022 {
1023 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1024 unsigned char max[3] = { 63, 31, 15 };
1025 int i;
1026
1027 /* first look up the static resolution table */
1028 if (ac97->res_table) {
1029 const struct snd_ac97_res_table *tbl;
1030 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1031 if (tbl->reg == reg) {
1032 *lo_max = tbl->bits & 0xff;
1033 *hi_max = (tbl->bits >> 8) & 0xff;
1034 return;
1035 }
1036 }
1037 }
1038
1039 *lo_max = *hi_max = 0;
1040 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1041 unsigned short val;
1042 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1043 /* Do the read twice due to buffers on some ac97 codecs.
1044 * e.g. The STAC9704 returns exactly what you wrote the the register
1045 * if you read it immediately. This causes the detect routine to fail.
1046 */
1047 val = snd_ac97_read(ac97, reg);
1048 val = snd_ac97_read(ac97, reg);
1049 if (! *lo_max && (val & 0x7f) == cbit[i])
1050 *lo_max = max[i];
1051 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1052 *hi_max = max[i];
1053 if (*lo_max && *hi_max)
1054 break;
1055 }
1056 }
1057
1058 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1059 {
1060 unsigned short mask, val, orig, res;
1061
1062 mask = 1 << bit;
1063 orig = snd_ac97_read(ac97, reg);
1064 val = orig ^ mask;
1065 snd_ac97_write(ac97, reg, val);
1066 res = snd_ac97_read(ac97, reg);
1067 snd_ac97_write_cache(ac97, reg, orig);
1068 return res == val;
1069 }
1070
1071 /* check the volume resolution of center/lfe */
1072 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1073 {
1074 unsigned short val, val1;
1075
1076 *max = 63;
1077 val = 0x8080 | (0x20 << shift);
1078 snd_ac97_write(ac97, reg, val);
1079 val1 = snd_ac97_read(ac97, reg);
1080 if (val != val1) {
1081 *max = 31;
1082 }
1083 /* reset volume to zero */
1084 snd_ac97_write_cache(ac97, reg, 0x8080);
1085 }
1086
1087 static inline int printable(unsigned int x)
1088 {
1089 x &= 0xff;
1090 if (x < ' ' || x >= 0x71) {
1091 if (x <= 0x89)
1092 return x - 0x71 + 'A';
1093 return '?';
1094 }
1095 return x;
1096 }
1097
1098 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1099 {
1100 struct snd_kcontrol_new template;
1101 memcpy(&template, _template, sizeof(template));
1102 template.index = ac97->num;
1103 return snd_ctl_new1(&template, ac97);
1104 }
1105
1106 /*
1107 * create mute switch(es) for normal stereo controls
1108 */
1109 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, int check_stereo, struct snd_ac97 *ac97)
1110 {
1111 struct snd_kcontrol *kctl;
1112 int err;
1113 unsigned short val, val1, mute_mask;
1114
1115 if (! snd_ac97_valid_reg(ac97, reg))
1116 return 0;
1117
1118 mute_mask = 0x8000;
1119 val = snd_ac97_read(ac97, reg);
1120 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1121 /* check whether both mute bits work */
1122 val1 = val | 0x8080;
1123 snd_ac97_write(ac97, reg, val1);
1124 if (val1 == snd_ac97_read(ac97, reg))
1125 mute_mask = 0x8080;
1126 }
1127 if (mute_mask == 0x8080) {
1128 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1129 tmp.index = ac97->num;
1130 kctl = snd_ctl_new1(&tmp, ac97);
1131 } else {
1132 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1133 tmp.index = ac97->num;
1134 kctl = snd_ctl_new1(&tmp, ac97);
1135 }
1136 err = snd_ctl_add(card, kctl);
1137 if (err < 0)
1138 return err;
1139 /* mute as default */
1140 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1141 return 0;
1142 }
1143
1144 /*
1145 * create a volume for normal stereo/mono controls
1146 */
1147 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1148 unsigned int hi_max, struct snd_ac97 *ac97)
1149 {
1150 int err;
1151 struct snd_kcontrol *kctl;
1152
1153 if (! snd_ac97_valid_reg(ac97, reg))
1154 return 0;
1155 if (hi_max) {
1156 /* invert */
1157 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1158 tmp.index = ac97->num;
1159 kctl = snd_ctl_new1(&tmp, ac97);
1160 } else {
1161 /* invert */
1162 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1163 tmp.index = ac97->num;
1164 kctl = snd_ctl_new1(&tmp, ac97);
1165 }
1166 err = snd_ctl_add(card, kctl);
1167 if (err < 0)
1168 return err;
1169 snd_ac97_write_cache(ac97, reg,
1170 (snd_ac97_read(ac97, reg) & 0x8080) |
1171 lo_max | (hi_max << 8));
1172 return 0;
1173 }
1174
1175 /*
1176 * create a mute-switch and a volume for normal stereo/mono controls
1177 */
1178 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, int reg, int check_stereo, struct snd_ac97 *ac97)
1179 {
1180 int err;
1181 char name[44];
1182 unsigned char lo_max, hi_max;
1183
1184 if (! snd_ac97_valid_reg(ac97, reg))
1185 return 0;
1186
1187 if (snd_ac97_try_bit(ac97, reg, 15)) {
1188 sprintf(name, "%s Switch", pfx);
1189 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1190 return err;
1191 }
1192 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1193 if (lo_max) {
1194 sprintf(name, "%s Volume", pfx);
1195 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1196 return err;
1197 }
1198 return 0;
1199 }
1200
1201 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1202 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1203
1204 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1205
1206 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1207 {
1208 struct snd_card *card = ac97->bus->card;
1209 struct snd_kcontrol *kctl;
1210 int err;
1211 unsigned int idx;
1212 unsigned char max;
1213
1214 /* build master controls */
1215 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1216 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1217 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1218 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1219 else
1220 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1221 if (err < 0)
1222 return err;
1223 }
1224
1225 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1226
1227 /* build center controls */
1228 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1229 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1230 return err;
1231 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1232 return err;
1233 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1234 kctl->private_value &= ~(0xff << 16);
1235 kctl->private_value |= (int)max << 16;
1236 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1237 }
1238
1239 /* build LFE controls */
1240 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1241 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1242 return err;
1243 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1244 return err;
1245 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1246 kctl->private_value &= ~(0xff << 16);
1247 kctl->private_value |= (int)max << 16;
1248 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1249 }
1250
1251 /* build surround controls */
1252 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1253 /* Surround Master (0x38) is with stereo mutes */
1254 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1255 return err;
1256 }
1257
1258 /* build headphone controls */
1259 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1260 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1261 return err;
1262 }
1263
1264 /* build master mono controls */
1265 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1266 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1267 return err;
1268 }
1269
1270 /* build master tone controls */
1271 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1272 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1273 for (idx = 0; idx < 2; idx++) {
1274 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1275 return err;
1276 if (ac97->id == AC97_ID_YMF753) {
1277 kctl->private_value &= ~(0xff << 16);
1278 kctl->private_value |= 7 << 16;
1279 }
1280 }
1281 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1282 }
1283 }
1284
1285 /* build PC Speaker controls */
1286 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1287 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1288 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1289 for (idx = 0; idx < 2; idx++)
1290 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1291 return err;
1292 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1293 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1294 }
1295
1296 /* build Phone controls */
1297 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1298 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1299 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1300 return err;
1301 }
1302 }
1303
1304 /* build MIC controls */
1305 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1306 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1307 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1308 return err;
1309 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1310 return err;
1311 }
1312 }
1313
1314 /* build Line controls */
1315 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1316 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1317 return err;
1318 }
1319
1320 /* build CD controls */
1321 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1322 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1323 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1324 return err;
1325 }
1326 }
1327
1328 /* build Video controls */
1329 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1330 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1331 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1332 return err;
1333 }
1334 }
1335
1336 /* build Aux controls */
1337 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1338 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1339 return err;
1340 }
1341
1342 /* build PCM controls */
1343 if (ac97->flags & AC97_AD_MULTI) {
1344 unsigned short init_val;
1345 if (ac97->flags & AC97_STEREO_MUTES)
1346 init_val = 0x9f9f;
1347 else
1348 init_val = 0x9f1f;
1349 for (idx = 0; idx < 2; idx++)
1350 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1351 return err;
1352 ac97->spec.ad18xx.pcmreg[0] = init_val;
1353 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1354 for (idx = 0; idx < 2; idx++)
1355 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1356 return err;
1357 ac97->spec.ad18xx.pcmreg[1] = init_val;
1358 }
1359 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1360 for (idx = 0; idx < 2; idx++)
1361 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1362 return err;
1363 for (idx = 0; idx < 2; idx++)
1364 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1365 return err;
1366 ac97->spec.ad18xx.pcmreg[2] = init_val;
1367 }
1368 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1369 } else {
1370 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1371 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1372 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1373 else
1374 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1375 if (err < 0)
1376 return err;
1377 }
1378 }
1379
1380 /* build Capture controls */
1381 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1382 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1383 return err;
1384 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1385 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1386 return err;
1387 }
1388 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1389 return err;
1390 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1391 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1392 }
1393 /* build MIC Capture controls */
1394 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1395 for (idx = 0; idx < 2; idx++)
1396 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1397 return err;
1398 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1399 }
1400
1401 /* build PCM out path & mute control */
1402 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1403 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1404 return err;
1405 }
1406
1407 /* build Simulated Stereo Enhancement control */
1408 if (ac97->caps & 0x0008) {
1409 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1410 return err;
1411 }
1412
1413 /* build 3D Stereo Enhancement control */
1414 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1415 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1416 return err;
1417 }
1418
1419 /* build Loudness control */
1420 if (ac97->caps & 0x0020) {
1421 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1422 return err;
1423 }
1424
1425 /* build Mono output select control */
1426 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1427 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1428 return err;
1429 }
1430
1431 /* build Mic select control */
1432 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1433 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1434 return err;
1435 }
1436
1437 /* build ADC/DAC loopback control */
1438 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1439 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1440 return err;
1441 }
1442
1443 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1444
1445 /* build 3D controls */
1446 if (ac97->build_ops->build_3d) {
1447 ac97->build_ops->build_3d(ac97);
1448 } else {
1449 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1450 unsigned short val;
1451 val = 0x0707;
1452 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1453 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1454 val = val == 0x0606;
1455 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1456 return err;
1457 if (val)
1458 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1459 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1460 return err;
1461 if (val)
1462 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1463 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1464 }
1465 }
1466
1467 /* build S/PDIF controls */
1468 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1469 if (ac97->build_ops->build_spdif) {
1470 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1471 return err;
1472 } else {
1473 for (idx = 0; idx < 5; idx++)
1474 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1475 return err;
1476 if (ac97->build_ops->build_post_spdif) {
1477 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1478 return err;
1479 }
1480 /* set default PCM S/PDIF params */
1481 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1482 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1483 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1484 }
1485 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1486 }
1487
1488 /* build chip specific controls */
1489 if (ac97->build_ops->build_specific)
1490 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1491 return err;
1492
1493 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1494 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1495 if (! kctl)
1496 return -ENOMEM;
1497 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1498 set_inv_eapd(ac97, kctl);
1499 if ((err = snd_ctl_add(card, kctl)) < 0)
1500 return err;
1501 }
1502
1503 return 0;
1504 }
1505
1506 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1507 {
1508 int err, idx;
1509
1510 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1511 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1512 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1513 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1514 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1515 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1516
1517 /* build modem switches */
1518 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1519 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1520 return err;
1521
1522 /* build chip specific controls */
1523 if (ac97->build_ops->build_specific)
1524 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1525 return err;
1526
1527 return 0;
1528 }
1529
1530 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1531 {
1532 unsigned short val;
1533 unsigned int tmp;
1534
1535 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1536 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1537 if (shadow_reg)
1538 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1539 val = snd_ac97_read(ac97, reg);
1540 return val == (tmp & 0xffff);
1541 }
1542
1543 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1544 {
1545 unsigned int result = 0;
1546 unsigned short saved;
1547
1548 if (ac97->bus->no_vra) {
1549 *r_result = SNDRV_PCM_RATE_48000;
1550 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1551 reg == AC97_PCM_FRONT_DAC_RATE)
1552 *r_result |= SNDRV_PCM_RATE_96000;
1553 return;
1554 }
1555
1556 saved = snd_ac97_read(ac97, reg);
1557 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1558 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1559 AC97_EA_DRA, 0);
1560 /* test a non-standard rate */
1561 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1562 result |= SNDRV_PCM_RATE_CONTINUOUS;
1563 /* let's try to obtain standard rates */
1564 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1565 result |= SNDRV_PCM_RATE_8000;
1566 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1567 result |= SNDRV_PCM_RATE_11025;
1568 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1569 result |= SNDRV_PCM_RATE_16000;
1570 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1571 result |= SNDRV_PCM_RATE_22050;
1572 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1573 result |= SNDRV_PCM_RATE_32000;
1574 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1575 result |= SNDRV_PCM_RATE_44100;
1576 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1577 result |= SNDRV_PCM_RATE_48000;
1578 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1579 reg == AC97_PCM_FRONT_DAC_RATE) {
1580 /* test standard double rates */
1581 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1582 AC97_EA_DRA, AC97_EA_DRA);
1583 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1584 result |= SNDRV_PCM_RATE_64000;
1585 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1586 result |= SNDRV_PCM_RATE_88200;
1587 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1588 result |= SNDRV_PCM_RATE_96000;
1589 /* some codecs don't support variable double rates */
1590 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1591 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1592 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1593 AC97_EA_DRA, 0);
1594 }
1595 /* restore the default value */
1596 snd_ac97_write_cache(ac97, reg, saved);
1597 if (shadow_reg)
1598 snd_ac97_write_cache(ac97, shadow_reg, saved);
1599 *r_result = result;
1600 }
1601
1602 /* check AC97_SPDIF register to accept which sample rates */
1603 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1604 {
1605 unsigned int result = 0;
1606 int i;
1607 static unsigned short ctl_bits[] = {
1608 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1609 };
1610 static unsigned int rate_bits[] = {
1611 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1612 };
1613
1614 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1615 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1616 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1617 result |= rate_bits[i];
1618 }
1619 return result;
1620 }
1621
1622 /* look for the codec id table matching with the given id */
1623 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1624 unsigned int id)
1625 {
1626 const struct ac97_codec_id *pid;
1627
1628 for (pid = table; pid->id; pid++)
1629 if (pid->id == (id & pid->mask))
1630 return pid;
1631 return NULL;
1632 }
1633
1634 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1635 {
1636 const struct ac97_codec_id *pid;
1637
1638 sprintf(name, "0x%x %c%c%c", id,
1639 printable(id >> 24),
1640 printable(id >> 16),
1641 printable(id >> 8));
1642 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1643 if (! pid)
1644 return;
1645
1646 strcpy(name, pid->name);
1647 if (ac97 && pid->patch) {
1648 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1649 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1650 pid->patch(ac97);
1651 }
1652
1653 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1654 if (pid) {
1655 strcat(name, " ");
1656 strcat(name, pid->name);
1657 if (pid->mask != 0xffffffff)
1658 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1659 if (ac97 && pid->patch) {
1660 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1661 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1662 pid->patch(ac97);
1663 }
1664 } else
1665 sprintf(name + strlen(name), " id %x", id & 0xff);
1666 }
1667
1668 /**
1669 * snd_ac97_get_short_name - retrieve codec name
1670 * @ac97: the codec instance
1671 *
1672 * Returns the short identifying name of the codec.
1673 */
1674 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1675 {
1676 const struct ac97_codec_id *pid;
1677
1678 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1679 if (pid->id == (ac97->id & pid->mask))
1680 return pid->name;
1681 return "unknown codec";
1682 }
1683
1684
1685 /* wait for a while until registers are accessible after RESET
1686 * return 0 if ok, negative not ready
1687 */
1688 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1689 {
1690 unsigned long end_time;
1691 unsigned short val;
1692
1693 end_time = jiffies + timeout;
1694 do {
1695
1696 /* use preliminary reads to settle the communication */
1697 snd_ac97_read(ac97, AC97_RESET);
1698 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1699 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1700 /* modem? */
1701 if (with_modem) {
1702 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1703 if (val != 0xffff && (val & 1) != 0)
1704 return 0;
1705 }
1706 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1707 /* probably only Xbox issue - all registers are read as zero */
1708 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1709 if (val != 0 && val != 0xffff)
1710 return 0;
1711 } else {
1712 /* because the PCM or MASTER volume registers can be modified,
1713 * the REC_GAIN register is used for tests
1714 */
1715 /* test if we can write to the record gain volume register */
1716 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1717 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1718 return 0;
1719 }
1720 schedule_timeout_uninterruptible(1);
1721 } while (time_after_eq(end_time, jiffies));
1722 return -ENODEV;
1723 }
1724
1725 /**
1726 * snd_ac97_bus - create an AC97 bus component
1727 * @card: the card instance
1728 * @num: the bus number
1729 * @ops: the bus callbacks table
1730 * @private_data: private data pointer for the new instance
1731 * @rbus: the pointer to store the new AC97 bus instance.
1732 *
1733 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1734 * allocated and initialized.
1735 *
1736 * The ops table must include valid callbacks (at least read and
1737 * write). The other callbacks, wait and reset, are not mandatory.
1738 *
1739 * The clock is set to 48000. If another clock is needed, set
1740 * (*rbus)->clock manually.
1741 *
1742 * The AC97 bus instance is registered as a low-level device, so you don't
1743 * have to release it manually.
1744 *
1745 * Returns zero if successful, or a negative error code on failure.
1746 */
1747 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1748 void *private_data, struct snd_ac97_bus **rbus)
1749 {
1750 int err;
1751 struct snd_ac97_bus *bus;
1752 static struct snd_device_ops dev_ops = {
1753 .dev_free = snd_ac97_bus_dev_free,
1754 };
1755
1756 snd_assert(card != NULL, return -EINVAL);
1757 snd_assert(rbus != NULL, return -EINVAL);
1758 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1759 if (bus == NULL)
1760 return -ENOMEM;
1761 bus->card = card;
1762 bus->num = num;
1763 bus->ops = ops;
1764 bus->private_data = private_data;
1765 bus->clock = 48000;
1766 spin_lock_init(&bus->bus_lock);
1767 snd_ac97_bus_proc_init(bus);
1768 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1769 snd_ac97_bus_free(bus);
1770 return err;
1771 }
1772 *rbus = bus;
1773 return 0;
1774 }
1775
1776 /* stop no dev release warning */
1777 static void ac97_device_release(struct device * dev)
1778 {
1779 }
1780
1781 /* register ac97 codec to bus */
1782 static int snd_ac97_dev_register(struct snd_device *device)
1783 {
1784 struct snd_ac97 *ac97 = device->device_data;
1785 int err;
1786
1787 ac97->dev.bus = &ac97_bus_type;
1788 ac97->dev.parent = ac97->bus->card->dev;
1789 ac97->dev.release = ac97_device_release;
1790 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1791 ac97->bus->card->number, ac97->num,
1792 snd_ac97_get_short_name(ac97));
1793 if ((err = device_register(&ac97->dev)) < 0) {
1794 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1795 ac97->dev.bus = NULL;
1796 return err;
1797 }
1798 return 0;
1799 }
1800
1801 /* unregister ac97 codec */
1802 static int snd_ac97_dev_unregister(struct snd_device *device)
1803 {
1804 struct snd_ac97 *ac97 = device->device_data;
1805 if (ac97->dev.bus)
1806 device_unregister(&ac97->dev);
1807 return snd_ac97_free(ac97);
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 struct snd_ac97 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(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1833 {
1834 int err;
1835 struct snd_ac97 *ac97;
1836 struct snd_card *card;
1837 char name[64];
1838 unsigned long end_time;
1839 unsigned int reg;
1840 const struct ac97_codec_id *pid;
1841 static struct snd_device_ops ops = {
1842 .dev_free = snd_ac97_dev_free,
1843 .dev_register = snd_ac97_dev_register,
1844 .dev_unregister = snd_ac97_dev_unregister,
1845 };
1846
1847 snd_assert(rac97 != NULL, return -EINVAL);
1848 *rac97 = NULL;
1849 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1850 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1851
1852 card = bus->card;
1853 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1854 if (ac97 == NULL)
1855 return -ENOMEM;
1856 ac97->private_data = template->private_data;
1857 ac97->private_free = template->private_free;
1858 ac97->bus = bus;
1859 ac97->pci = template->pci;
1860 ac97->num = template->num;
1861 ac97->addr = template->addr;
1862 ac97->scaps = template->scaps;
1863 ac97->res_table = template->res_table;
1864 bus->codec[ac97->num] = ac97;
1865 mutex_init(&ac97->reg_mutex);
1866 mutex_init(&ac97->page_mutex);
1867
1868 #ifdef CONFIG_PCI
1869 if (ac97->pci) {
1870 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1871 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1872 }
1873 #endif
1874 if (bus->ops->reset) {
1875 bus->ops->reset(ac97);
1876 goto __access_ok;
1877 }
1878
1879 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1880 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1881 if (ac97->id && ac97->id != (unsigned int)-1) {
1882 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1883 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1884 goto __access_ok;
1885 }
1886
1887 /* reset to defaults */
1888 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1889 snd_ac97_write(ac97, AC97_RESET, 0);
1890 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1891 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1892 if (bus->ops->wait)
1893 bus->ops->wait(ac97);
1894 else {
1895 udelay(50);
1896 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1897 err = ac97_reset_wait(ac97, HZ/2, 1);
1898 else {
1899 err = ac97_reset_wait(ac97, HZ/2, 0);
1900 if (err < 0)
1901 err = ac97_reset_wait(ac97, HZ/2, 1);
1902 }
1903 if (err < 0) {
1904 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1905 /* proceed anyway - it's often non-critical */
1906 }
1907 }
1908 __access_ok:
1909 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1910 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1911 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1912 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1913 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1914 snd_ac97_free(ac97);
1915 return -EIO;
1916 }
1917 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1918 if (pid)
1919 ac97->flags |= pid->flags;
1920
1921 /* test for AC'97 */
1922 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1923 /* test if we can write to the record gain volume register */
1924 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1925 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1926 ac97->scaps |= AC97_SCAP_AUDIO;
1927 }
1928 if (ac97->scaps & AC97_SCAP_AUDIO) {
1929 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1930 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1931 if (ac97->ext_id == 0xffff) /* invalid combination */
1932 ac97->ext_id = 0;
1933 }
1934
1935 /* test for MC'97 */
1936 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1937 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1938 if (ac97->ext_mid == 0xffff) /* invalid combination */
1939 ac97->ext_mid = 0;
1940 if (ac97->ext_mid & 1)
1941 ac97->scaps |= AC97_SCAP_MODEM;
1942 }
1943
1944 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1945 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1946 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1947 snd_ac97_free(ac97);
1948 return -EACCES;
1949 }
1950
1951 if (bus->ops->reset) // FIXME: always skipping?
1952 goto __ready_ok;
1953
1954 /* FIXME: add powerdown control */
1955 if (ac97_is_audio(ac97)) {
1956 /* nothing should be in powerdown mode */
1957 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1958 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1959 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1960 udelay(100);
1961 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1962 }
1963 /* nothing should be in powerdown mode */
1964 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1965 end_time = jiffies + (HZ / 10);
1966 do {
1967 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1968 goto __ready_ok;
1969 schedule_timeout_uninterruptible(1);
1970 } while (time_after_eq(end_time, jiffies));
1971 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1972 }
1973
1974 /* FIXME: add powerdown control */
1975 if (ac97_is_modem(ac97)) {
1976 unsigned char tmp;
1977
1978 /* nothing should be in powerdown mode */
1979 /* note: it's important to set the rate at first */
1980 tmp = AC97_MEA_GPIO;
1981 if (ac97->ext_mid & AC97_MEI_LINE1) {
1982 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1983 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
1984 }
1985 if (ac97->ext_mid & AC97_MEI_LINE2) {
1986 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1987 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
1988 }
1989 if (ac97->ext_mid & AC97_MEI_HANDSET) {
1990 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1991 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
1992 }
1993 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1994 udelay(100);
1995 /* nothing should be in powerdown mode */
1996 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1997 end_time = jiffies + (HZ / 10);
1998 do {
1999 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2000 goto __ready_ok;
2001 schedule_timeout_uninterruptible(1);
2002 } while (time_after_eq(end_time, jiffies));
2003 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2004 }
2005
2006 __ready_ok:
2007 if (ac97_is_audio(ac97))
2008 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2009 else
2010 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2011 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2012 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2013 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2014 if (! bus->no_vra)
2015 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2016 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2017 }
2018 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2019 /* Intel controllers require double rate data to be put in
2020 * slots 7+8, so let's hope the codec supports it. */
2021 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2022 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2023 ac97->flags |= AC97_DOUBLE_RATE;
2024 /* restore to slots 10/11 to avoid the confliction with surrounds */
2025 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2026 }
2027 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2028 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2029 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2030 } else {
2031 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2032 if (ac97->flags & AC97_DOUBLE_RATE)
2033 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2034 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2035 }
2036 if (ac97->ext_id & AC97_EI_SPDIF) {
2037 /* codec specific code (patch) should override these values */
2038 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2039 }
2040 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2041 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2042 } else {
2043 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2044 }
2045 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2046 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2047 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2048 }
2049 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2050 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2051 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2052 }
2053 /* additional initializations */
2054 if (bus->ops->init)
2055 bus->ops->init(ac97);
2056 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2057 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2058 if (! ac97->build_ops)
2059 ac97->build_ops = &null_build_ops;
2060
2061 if (ac97_is_audio(ac97)) {
2062 char comp[16];
2063 if (card->mixername[0] == '\0') {
2064 strcpy(card->mixername, name);
2065 } else {
2066 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2067 strcat(card->mixername, ",");
2068 strcat(card->mixername, name);
2069 }
2070 }
2071 sprintf(comp, "AC97a:%08x", ac97->id);
2072 if ((err = snd_component_add(card, comp)) < 0) {
2073 snd_ac97_free(ac97);
2074 return err;
2075 }
2076 if (snd_ac97_mixer_build(ac97) < 0) {
2077 snd_ac97_free(ac97);
2078 return -ENOMEM;
2079 }
2080 }
2081 if (ac97_is_modem(ac97)) {
2082 char comp[16];
2083 if (card->mixername[0] == '\0') {
2084 strcpy(card->mixername, name);
2085 } else {
2086 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2087 strcat(card->mixername, ",");
2088 strcat(card->mixername, name);
2089 }
2090 }
2091 sprintf(comp, "AC97m:%08x", ac97->id);
2092 if ((err = snd_component_add(card, comp)) < 0) {
2093 snd_ac97_free(ac97);
2094 return err;
2095 }
2096 if (snd_ac97_modem_build(card, ac97) < 0) {
2097 snd_ac97_free(ac97);
2098 return -ENOMEM;
2099 }
2100 }
2101 /* make sure the proper powerdown bits are cleared */
2102 if (ac97->scaps && ac97_is_audio(ac97)) {
2103 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2104 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2105 reg &= ~AC97_EA_PRJ;
2106 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2107 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2108 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2109 }
2110 snd_ac97_proc_init(ac97);
2111 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2112 snd_ac97_free(ac97);
2113 return err;
2114 }
2115 *rac97 = ac97;
2116 return 0;
2117 }
2118
2119
2120 /*
2121 * Power down the chip.
2122 *
2123 * MASTER and HEADPHONE registers are muted but the register cache values
2124 * are not changed, so that the values can be restored in snd_ac97_resume().
2125 */
2126 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2127 {
2128 unsigned short power;
2129
2130 if (ac97_is_audio(ac97)) {
2131 /* some codecs have stereo mute bits */
2132 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2133 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2134 }
2135
2136 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2137 power |= 0x4000; /* Headphone amplifier powerdown */
2138 power |= 0x0300; /* ADC & DAC powerdown */
2139 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2140 udelay(100);
2141 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2142 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2143 udelay(100);
2144 #if 0
2145 /* FIXME: this causes click noises on some boards at resume */
2146 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2147 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2148 #endif
2149 }
2150
2151
2152 #ifdef CONFIG_PM
2153 /**
2154 * snd_ac97_suspend - General suspend function for AC97 codec
2155 * @ac97: the ac97 instance
2156 *
2157 * Suspends the codec, power down the chip.
2158 */
2159 void snd_ac97_suspend(struct snd_ac97 *ac97)
2160 {
2161 if (! ac97)
2162 return;
2163 if (ac97->build_ops->suspend)
2164 ac97->build_ops->suspend(ac97);
2165 snd_ac97_powerdown(ac97);
2166 }
2167
2168 /*
2169 * restore ac97 status
2170 */
2171 void snd_ac97_restore_status(struct snd_ac97 *ac97)
2172 {
2173 int i;
2174
2175 for (i = 2; i < 0x7c ; i += 2) {
2176 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2177 continue;
2178 /* restore only accessible registers
2179 * some chip (e.g. nm256) may hang up when unsupported registers
2180 * are accessed..!
2181 */
2182 if (test_bit(i, ac97->reg_accessed)) {
2183 snd_ac97_write(ac97, i, ac97->regs[i]);
2184 snd_ac97_read(ac97, i);
2185 }
2186 }
2187 }
2188
2189 /*
2190 * restore IEC958 status
2191 */
2192 void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2193 {
2194 if (ac97->ext_id & AC97_EI_SPDIF) {
2195 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2196 /* reset spdif status */
2197 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2198 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2199 if (ac97->flags & AC97_CS_SPDIF)
2200 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2201 else
2202 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2203 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2204 }
2205 }
2206 }
2207
2208 /**
2209 * snd_ac97_resume - General resume function for AC97 codec
2210 * @ac97: the ac97 instance
2211 *
2212 * Do the standard resume procedure, power up and restoring the
2213 * old register values.
2214 */
2215 void snd_ac97_resume(struct snd_ac97 *ac97)
2216 {
2217 unsigned long end_time;
2218
2219 if (! ac97)
2220 return;
2221
2222 if (ac97->bus->ops->reset) {
2223 ac97->bus->ops->reset(ac97);
2224 goto __reset_ready;
2225 }
2226
2227 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2228 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2229 snd_ac97_write(ac97, AC97_RESET, 0);
2230 udelay(100);
2231 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2232 }
2233 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2234
2235 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2236 if (ac97_is_audio(ac97)) {
2237 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2238 end_time = jiffies + msecs_to_jiffies(100);
2239 do {
2240 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2241 break;
2242 schedule_timeout_uninterruptible(1);
2243 } while (time_after_eq(end_time, jiffies));
2244 /* FIXME: extra delay */
2245 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2246 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2247 msleep(250);
2248 } else {
2249 end_time = jiffies + msecs_to_jiffies(100);
2250 do {
2251 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2252 if (val != 0xffff && (val & 1) != 0)
2253 break;
2254 schedule_timeout_uninterruptible(1);
2255 } while (time_after_eq(end_time, jiffies));
2256 }
2257 __reset_ready:
2258
2259 if (ac97->bus->ops->init)
2260 ac97->bus->ops->init(ac97);
2261
2262 if (ac97->build_ops->resume)
2263 ac97->build_ops->resume(ac97);
2264 else {
2265 snd_ac97_restore_status(ac97);
2266 snd_ac97_restore_iec958(ac97);
2267 }
2268 }
2269 #endif
2270
2271
2272 /*
2273 * Hardware tuning
2274 */
2275 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2276 {
2277 if (suffix)
2278 sprintf(dst, "%s %s", src, suffix);
2279 else
2280 strcpy(dst, src);
2281 }
2282
2283 /* remove the control with the given name and optional suffix */
2284 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
2285 {
2286 struct snd_ctl_elem_id id;
2287 memset(&id, 0, sizeof(id));
2288 set_ctl_name(id.name, name, suffix);
2289 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2290 return snd_ctl_remove_id(ac97->bus->card, &id);
2291 }
2292
2293 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2294 {
2295 struct snd_ctl_elem_id sid;
2296 memset(&sid, 0, sizeof(sid));
2297 set_ctl_name(sid.name, name, suffix);
2298 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2299 return snd_ctl_find_id(ac97->bus->card, &sid);
2300 }
2301
2302 /* rename the control with the given name and optional suffix */
2303 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
2304 {
2305 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2306 if (kctl) {
2307 set_ctl_name(kctl->id.name, dst, suffix);
2308 return 0;
2309 }
2310 return -ENOENT;
2311 }
2312
2313 /* rename both Volume and Switch controls - don't check the return value */
2314 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
2315 {
2316 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2317 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2318 }
2319
2320 /* swap controls */
2321 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
2322 {
2323 struct snd_kcontrol *kctl1, *kctl2;
2324 kctl1 = ctl_find(ac97, s1, suffix);
2325 kctl2 = ctl_find(ac97, s2, suffix);
2326 if (kctl1 && kctl2) {
2327 set_ctl_name(kctl1->id.name, s2, suffix);
2328 set_ctl_name(kctl2->id.name, s1, suffix);
2329 return 0;
2330 }
2331 return -ENOENT;
2332 }
2333
2334 #if 1
2335 /* bind hp and master controls instead of using only hp control */
2336 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2337 {
2338 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2339 if (err > 0) {
2340 unsigned long priv_saved = kcontrol->private_value;
2341 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2342 snd_ac97_put_volsw(kcontrol, ucontrol);
2343 kcontrol->private_value = priv_saved;
2344 }
2345 return err;
2346 }
2347
2348 /* ac97 tune: bind Master and Headphone controls */
2349 static int tune_hp_only(struct snd_ac97 *ac97)
2350 {
2351 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2352 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2353 if (! msw || ! mvol)
2354 return -ENOENT;
2355 msw->put = bind_hp_volsw_put;
2356 mvol->put = bind_hp_volsw_put;
2357 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2358 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2359 return 0;
2360 }
2361
2362 #else
2363 /* ac97 tune: use Headphone control as master */
2364 static int tune_hp_only(struct snd_ac97 *ac97)
2365 {
2366 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2367 return -ENOENT;
2368 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2369 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2370 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2371 return 0;
2372 }
2373 #endif
2374
2375 /* ac97 tune: swap Headphone and Master controls */
2376 static int tune_swap_hp(struct snd_ac97 *ac97)
2377 {
2378 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2379 return -ENOENT;
2380 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2381 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2382 return 0;
2383 }
2384
2385 /* ac97 tune: swap Surround and Master controls */
2386 static int tune_swap_surround(struct snd_ac97 *ac97)
2387 {
2388 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2389 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2390 return -ENOENT;
2391 return 0;
2392 }
2393
2394 /* ac97 tune: set up mic sharing for AD codecs */
2395 static int tune_ad_sharing(struct snd_ac97 *ac97)
2396 {
2397 unsigned short scfg;
2398 if ((ac97->id & 0xffffff00) != 0x41445300) {
2399 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2400 return -EINVAL;
2401 }
2402 /* Turn on OMS bit to route microphone to back panel */
2403 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2404 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2405 return 0;
2406 }
2407
2408 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2409 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2410
2411 /* ac97 tune: set up ALC jack-select */
2412 static int tune_alc_jack(struct snd_ac97 *ac97)
2413 {
2414 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2415 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2416 return -EINVAL;
2417 }
2418 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2419 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2420 if (ac97->id == AC97_ID_ALC658D)
2421 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2422 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2423 }
2424
2425 /* ac97 tune: inversed EAPD bit */
2426 static int tune_inv_eapd(struct snd_ac97 *ac97)
2427 {
2428 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2429 if (! kctl)
2430 return -ENOENT;
2431 set_inv_eapd(ac97, kctl);
2432 return 0;
2433 }
2434
2435 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2436 {
2437 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2438 if (err > 0) {
2439 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2440 int shift = (kcontrol->private_value >> 8) & 0x0f;
2441 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2442 unsigned short mask;
2443 if (shift != rshift)
2444 mask = 0x8080;
2445 else
2446 mask = 0x8000;
2447 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2448 (ac97->regs[AC97_MASTER] & mask) == mask ?
2449 0x8000 : 0);
2450 }
2451 return err;
2452 }
2453
2454 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2455 static int tune_mute_led(struct snd_ac97 *ac97)
2456 {
2457 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2458 if (! msw)
2459 return -ENOENT;
2460 msw->put = master_mute_sw_put;
2461 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2462 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2463 return 0;
2464 }
2465
2466 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2467 struct snd_ctl_elem_value *ucontrol)
2468 {
2469 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2470 if (err > 0) {
2471 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2472 int shift = (kcontrol->private_value >> 8) & 0x0f;
2473 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2474 unsigned short mask;
2475 if (shift != rshift)
2476 mask = 0x8080;
2477 else
2478 mask = 0x8000;
2479 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2480 (ac97->regs[AC97_MASTER] & mask) == mask ?
2481 0x8000 : 0);
2482 }
2483 return err;
2484 }
2485
2486 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2487 {
2488 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2489 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2490 if (! msw || ! mvol)
2491 return -ENOENT;
2492 msw->put = hp_master_mute_sw_put;
2493 mvol->put = bind_hp_volsw_put;
2494 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2495 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2496 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2497 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2498 return 0;
2499 }
2500
2501 struct quirk_table {
2502 const char *name;
2503 int (*func)(struct snd_ac97 *);
2504 };
2505
2506 static struct quirk_table applicable_quirks[] = {
2507 { "none", NULL },
2508 { "hp_only", tune_hp_only },
2509 { "swap_hp", tune_swap_hp },
2510 { "swap_surround", tune_swap_surround },
2511 { "ad_sharing", tune_ad_sharing },
2512 { "alc_jack", tune_alc_jack },
2513 { "inv_eapd", tune_inv_eapd },
2514 { "mute_led", tune_mute_led },
2515 { "hp_mute_led", tune_hp_mute_led },
2516 };
2517
2518 /* apply the quirk with the given type */
2519 static int apply_quirk(struct snd_ac97 *ac97, int type)
2520 {
2521 if (type <= 0)
2522 return 0;
2523 else if (type >= ARRAY_SIZE(applicable_quirks))
2524 return -EINVAL;
2525 if (applicable_quirks[type].func)
2526 return applicable_quirks[type].func(ac97);
2527 return 0;
2528 }
2529
2530 /* apply the quirk with the given name */
2531 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2532 {
2533 int i;
2534 struct quirk_table *q;
2535
2536 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2537 q = &applicable_quirks[i];
2538 if (q->name && ! strcmp(typestr, q->name))
2539 return apply_quirk(ac97, i);
2540 }
2541 /* for compatibility, accept the numbers, too */
2542 if (*typestr >= '0' && *typestr <= '9')
2543 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2544 return -EINVAL;
2545 }
2546
2547 /**
2548 * snd_ac97_tune_hardware - tune up the hardware
2549 * @ac97: the ac97 instance
2550 * @quirk: quirk list
2551 * @override: explicit quirk value (overrides the list if non-NULL)
2552 *
2553 * Do some workaround for each pci device, such as renaming of the
2554 * headphone (true line-out) control as "Master".
2555 * The quirk-list must be terminated with a zero-filled entry.
2556 *
2557 * Returns zero if successful, or a negative error code on failure.
2558 */
2559
2560 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2561 {
2562 int result;
2563
2564 /* quirk overriden? */
2565 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2566 result = apply_quirk_str(ac97, override);
2567 if (result < 0)
2568 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2569 return result;
2570 }
2571
2572 if (! quirk)
2573 return -EINVAL;
2574
2575 for (; quirk->subvendor; quirk++) {
2576 if (quirk->subvendor != ac97->subsystem_vendor)
2577 continue;
2578 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2579 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2580 if (quirk->codec_id && quirk->codec_id != ac97->id)
2581 continue;
2582 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2583 result = apply_quirk(ac97, quirk->type);
2584 if (result < 0)
2585 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2586 return result;
2587 }
2588 }
2589 return 0;
2590 }
2591
2592
2593 /*
2594 * Exported symbols
2595 */
2596
2597 EXPORT_SYMBOL(snd_ac97_write);
2598 EXPORT_SYMBOL(snd_ac97_read);
2599 EXPORT_SYMBOL(snd_ac97_write_cache);
2600 EXPORT_SYMBOL(snd_ac97_update);
2601 EXPORT_SYMBOL(snd_ac97_update_bits);
2602 EXPORT_SYMBOL(snd_ac97_get_short_name);
2603 EXPORT_SYMBOL(snd_ac97_bus);
2604 EXPORT_SYMBOL(snd_ac97_mixer);
2605 EXPORT_SYMBOL(snd_ac97_pcm_assign);
2606 EXPORT_SYMBOL(snd_ac97_pcm_open);
2607 EXPORT_SYMBOL(snd_ac97_pcm_close);
2608 EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2609 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2610 EXPORT_SYMBOL(snd_ac97_set_rate);
2611 #ifdef CONFIG_PM
2612 EXPORT_SYMBOL(snd_ac97_resume);
2613 EXPORT_SYMBOL(snd_ac97_suspend);
2614 #endif
2615
2616 /*
2617 * INIT part
2618 */
2619
2620 static int __init alsa_ac97_init(void)
2621 {
2622 return 0;
2623 }
2624
2625 static void __exit alsa_ac97_exit(void)
2626 {
2627 }
2628
2629 module_init(alsa_ac97_init)
2630 module_exit(alsa_ac97_exit)
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