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[PATCH] w1: Added default generic read/write operations.
[linux-2.6/verdex.git] / sound / pci / ac97 / ac97_codec.c
blobd05200741ac3767538b0c91efe75829619f9ad73
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 { 0x56494182, 0xffffffff, "VIA1618", NULL, NULL },
164 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
165 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
166 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
167 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
168 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
169 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
170 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
171 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
172 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
173 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
174 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
175 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
176 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
177 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
178 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
179 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
180 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
181 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
182 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
183 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
184 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
185 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
186 { 0, 0, NULL, NULL, NULL }
187 };
188
189
190 /*
191 * I/O routines
192 */
193
194 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
195 {
196 /* filter some registers for buggy codecs */
197 switch (ac97->id) {
198 case AC97_ID_AK4540:
199 case AC97_ID_AK4542:
200 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
201 return 1;
202 return 0;
203 case AC97_ID_AD1819: /* AD1819 */
204 case AC97_ID_AD1881: /* AD1881 */
205 case AC97_ID_AD1881A: /* AD1881A */
206 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
207 return 0;
208 return 1;
209 case AC97_ID_AD1885: /* AD1885 */
210 case AC97_ID_AD1886: /* AD1886 */
211 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
212 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
213 if (reg == 0x5a)
214 return 1;
215 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
216 return 0;
217 return 1;
218 case AC97_ID_STAC9700:
219 case AC97_ID_STAC9704:
220 case AC97_ID_STAC9705:
221 case AC97_ID_STAC9708:
222 case AC97_ID_STAC9721:
223 case AC97_ID_STAC9744:
224 case AC97_ID_STAC9756:
225 if (reg <= 0x3a || reg >= 0x5a)
226 return 1;
227 return 0;
228 }
229 return 1;
230 }
231
232 /**
233 * snd_ac97_write - write a value on the given register
234 * @ac97: the ac97 instance
235 * @reg: the register to change
236 * @value: the value to set
237 *
238 * Writes a value on the given register. This will invoke the write
239 * callback directly after the register check.
240 * This function doesn't change the register cache unlike
241 * #snd_ca97_write_cache(), so use this only when you don't want to
242 * reflect the change to the suspend/resume state.
243 */
244 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
245 {
246 if (!snd_ac97_valid_reg(ac97, reg))
247 return;
248 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
249 /* Fix H/W bug of ALC100/100P */
250 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
251 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
252 }
253 ac97->bus->ops->write(ac97, reg, value);
254 }
255
256 /**
257 * snd_ac97_read - read a value from the given register
258 *
259 * @ac97: the ac97 instance
260 * @reg: the register to read
261 *
262 * Reads a value from the given register. This will invoke the read
263 * callback directly after the register check.
264 *
265 * Returns the read value.
266 */
267 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
268 {
269 if (!snd_ac97_valid_reg(ac97, reg))
270 return 0;
271 return ac97->bus->ops->read(ac97, reg);
272 }
273
274 /* read a register - return the cached value if already read */
275 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
276 {
277 if (! test_bit(reg, ac97->reg_accessed)) {
278 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
279 // set_bit(reg, ac97->reg_accessed);
280 }
281 return ac97->regs[reg];
282 }
283
284 /**
285 * snd_ac97_write_cache - write a value on the given register and update the cache
286 * @ac97: the ac97 instance
287 * @reg: the register to change
288 * @value: the value to set
289 *
290 * Writes a value on the given register and updates the register
291 * cache. The cached values are used for the cached-read and the
292 * suspend/resume.
293 */
294 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
295 {
296 if (!snd_ac97_valid_reg(ac97, reg))
297 return;
298 mutex_lock(&ac97->reg_mutex);
299 ac97->regs[reg] = value;
300 ac97->bus->ops->write(ac97, reg, value);
301 set_bit(reg, ac97->reg_accessed);
302 mutex_unlock(&ac97->reg_mutex);
303 }
304
305 /**
306 * snd_ac97_update - update the value on the given register
307 * @ac97: the ac97 instance
308 * @reg: the register to change
309 * @value: the value to set
310 *
311 * Compares the value with the register cache and updates the value
312 * only when the value is changed.
313 *
314 * Returns 1 if the value is changed, 0 if no change, or a negative
315 * code on failure.
316 */
317 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
318 {
319 int change;
320
321 if (!snd_ac97_valid_reg(ac97, reg))
322 return -EINVAL;
323 mutex_lock(&ac97->reg_mutex);
324 change = ac97->regs[reg] != value;
325 if (change) {
326 ac97->regs[reg] = value;
327 ac97->bus->ops->write(ac97, reg, value);
328 }
329 set_bit(reg, ac97->reg_accessed);
330 mutex_unlock(&ac97->reg_mutex);
331 return change;
332 }
333
334 /**
335 * snd_ac97_update_bits - update the bits on the given register
336 * @ac97: the ac97 instance
337 * @reg: the register to change
338 * @mask: the bit-mask to change
339 * @value: the value to set
340 *
341 * Updates the masked-bits on the given register only when the value
342 * is changed.
343 *
344 * Returns 1 if the bits are changed, 0 if no change, or a negative
345 * code on failure.
346 */
347 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
348 {
349 int change;
350
351 if (!snd_ac97_valid_reg(ac97, reg))
352 return -EINVAL;
353 mutex_lock(&ac97->reg_mutex);
354 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
355 mutex_unlock(&ac97->reg_mutex);
356 return change;
357 }
358
359 /* no lock version - see snd_ac97_updat_bits() */
360 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
361 unsigned short mask, unsigned short value)
362 {
363 int change;
364 unsigned short old, new;
365
366 old = snd_ac97_read_cache(ac97, reg);
367 new = (old & ~mask) | value;
368 change = old != new;
369 if (change) {
370 ac97->regs[reg] = new;
371 ac97->bus->ops->write(ac97, reg, new);
372 }
373 set_bit(reg, ac97->reg_accessed);
374 return change;
375 }
376
377 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
378 {
379 int change;
380 unsigned short old, new, cfg;
381
382 mutex_lock(&ac97->page_mutex);
383 old = ac97->spec.ad18xx.pcmreg[codec];
384 new = (old & ~mask) | value;
385 change = old != new;
386 if (change) {
387 mutex_lock(&ac97->reg_mutex);
388 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
389 ac97->spec.ad18xx.pcmreg[codec] = new;
390 /* select single codec */
391 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
392 (cfg & ~0x7000) |
393 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
394 /* update PCM bits */
395 ac97->bus->ops->write(ac97, AC97_PCM, new);
396 /* select all codecs */
397 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
398 cfg | 0x7000);
399 mutex_unlock(&ac97->reg_mutex);
400 }
401 mutex_unlock(&ac97->page_mutex);
402 return change;
403 }
404
405 /*
406 * Controls
407 */
408
409 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
410 {
411 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
412
413 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
414 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
415 uinfo->value.enumerated.items = e->mask;
416
417 if (uinfo->value.enumerated.item > e->mask - 1)
418 uinfo->value.enumerated.item = e->mask - 1;
419 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
420 return 0;
421 }
422
423 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
424 {
425 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
426 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
427 unsigned short val, bitmask;
428
429 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
430 ;
431 val = snd_ac97_read_cache(ac97, e->reg);
432 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
433 if (e->shift_l != e->shift_r)
434 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
435
436 return 0;
437 }
438
439 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
440 {
441 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
442 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
443 unsigned short val;
444 unsigned short mask, bitmask;
445
446 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
447 ;
448 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
449 return -EINVAL;
450 val = ucontrol->value.enumerated.item[0] << e->shift_l;
451 mask = (bitmask - 1) << e->shift_l;
452 if (e->shift_l != e->shift_r) {
453 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
454 return -EINVAL;
455 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
456 mask |= (bitmask - 1) << e->shift_r;
457 }
458 return snd_ac97_update_bits(ac97, e->reg, mask, val);
459 }
460
461 /* save/restore ac97 v2.3 paging */
462 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
463 {
464 int page_save = -1;
465 if ((kcontrol->private_value & (1<<25)) &&
466 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
467 (reg >= 0x60 && reg < 0x70)) {
468 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
469 mutex_lock(&ac97->page_mutex); /* lock paging */
470 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
471 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
472 }
473 return page_save;
474 }
475
476 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
477 {
478 if (page_save >= 0) {
479 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
480 mutex_unlock(&ac97->page_mutex); /* unlock paging */
481 }
482 }
483
484 /* volume and switch controls */
485 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
486 {
487 int mask = (kcontrol->private_value >> 16) & 0xff;
488 int shift = (kcontrol->private_value >> 8) & 0x0f;
489 int rshift = (kcontrol->private_value >> 12) & 0x0f;
490
491 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
492 uinfo->count = shift == rshift ? 1 : 2;
493 uinfo->value.integer.min = 0;
494 uinfo->value.integer.max = mask;
495 return 0;
496 }
497
498 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
499 {
500 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
501 int reg = kcontrol->private_value & 0xff;
502 int shift = (kcontrol->private_value >> 8) & 0x0f;
503 int rshift = (kcontrol->private_value >> 12) & 0x0f;
504 int mask = (kcontrol->private_value >> 16) & 0xff;
505 int invert = (kcontrol->private_value >> 24) & 0x01;
506 int page_save;
507
508 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
509 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
510 if (shift != rshift)
511 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
512 if (invert) {
513 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
514 if (shift != rshift)
515 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
516 }
517 snd_ac97_page_restore(ac97, page_save);
518 return 0;
519 }
520
521 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
522 {
523 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
524 int reg = kcontrol->private_value & 0xff;
525 int shift = (kcontrol->private_value >> 8) & 0x0f;
526 int rshift = (kcontrol->private_value >> 12) & 0x0f;
527 int mask = (kcontrol->private_value >> 16) & 0xff;
528 int invert = (kcontrol->private_value >> 24) & 0x01;
529 int err, page_save;
530 unsigned short val, val2, val_mask;
531
532 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
533 val = (ucontrol->value.integer.value[0] & mask);
534 if (invert)
535 val = mask - val;
536 val_mask = mask << shift;
537 val = val << shift;
538 if (shift != rshift) {
539 val2 = (ucontrol->value.integer.value[1] & mask);
540 if (invert)
541 val2 = mask - val2;
542 val_mask |= mask << rshift;
543 val |= val2 << rshift;
544 }
545 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
546 snd_ac97_page_restore(ac97, page_save);
547 return err;
548 }
549
550 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
551 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
552 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
553 };
554
555 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
556 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
557 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
558 };
559
560 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
561 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
562 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
563 };
564
565 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
566 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
567
568
569 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
570 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
571 static const char* std_mix[] = {"Mix", "Mic"};
572 static const char* std_mic[] = {"Mic1", "Mic2"};
573
574 static const struct ac97_enum std_enum[] = {
575 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
576 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
577 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
578 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
579 };
580
581 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
582 AC97_ENUM("Capture Source", std_enum[0]);
583
584 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
585 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
586
587 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
588 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
589 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
590 };
591
592 enum {
593 AC97_GENERAL_PCM_OUT = 0,
594 AC97_GENERAL_STEREO_ENHANCEMENT,
595 AC97_GENERAL_3D,
596 AC97_GENERAL_LOUDNESS,
597 AC97_GENERAL_MONO,
598 AC97_GENERAL_MIC,
599 AC97_GENERAL_LOOPBACK
600 };
601
602 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
603 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
604 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
605 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
606 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
607 AC97_ENUM("Mono Output Select", std_enum[2]),
608 AC97_ENUM("Mic Select", std_enum[3]),
609 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
610 };
611
612 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
613 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
614 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
615 };
616
617 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
618 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
619 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
620 };
621
622 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
623 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
624 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
625 };
626
627 static const struct snd_kcontrol_new snd_ac97_control_eapd =
628 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
629
630 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
631 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
632 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
633 };
634
635 /* change the existing EAPD control as inverted */
636 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
637 {
638 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
639 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
640 ac97->scaps |= AC97_SCAP_INV_EAPD;
641 }
642
643 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
644 {
645 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
646 uinfo->count = 1;
647 return 0;
648 }
649
650 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
651 {
652 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
653 IEC958_AES0_NONAUDIO |
654 IEC958_AES0_CON_EMPHASIS_5015 |
655 IEC958_AES0_CON_NOT_COPYRIGHT;
656 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
657 IEC958_AES1_CON_ORIGINAL;
658 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
659 return 0;
660 }
661
662 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
663 {
664 /* FIXME: AC'97 spec doesn't say which bits are used for what */
665 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
666 IEC958_AES0_NONAUDIO |
667 IEC958_AES0_PRO_FS |
668 IEC958_AES0_PRO_EMPHASIS_5015;
669 return 0;
670 }
671
672 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
673 {
674 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
675
676 mutex_lock(&ac97->reg_mutex);
677 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
678 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
679 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
680 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
681 mutex_unlock(&ac97->reg_mutex);
682 return 0;
683 }
684
685 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
686 {
687 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
688 unsigned int new = 0;
689 unsigned short val = 0;
690 int change;
691
692 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
693 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
694 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
695 switch (new & IEC958_AES0_PRO_FS) {
696 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
697 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
698 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
699 default: val |= 1<<12; break;
700 }
701 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
702 val |= 1<<3;
703 } else {
704 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
705 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
706 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
707 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
708 val |= 1<<3;
709 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
710 val |= 1<<2;
711 val |= ((new >> 8) & 0xff) << 4; // category + original
712 switch ((new >> 24) & 0xff) {
713 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
714 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
715 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
716 default: val |= 1<<12; break;
717 }
718 }
719
720 mutex_lock(&ac97->reg_mutex);
721 change = ac97->spdif_status != new;
722 ac97->spdif_status = new;
723
724 if (ac97->flags & AC97_CS_SPDIF) {
725 int x = (val >> 12) & 0x03;
726 switch (x) {
727 case 0: x = 1; break; // 44.1
728 case 2: x = 0; break; // 48.0
729 default: x = 0; break; // illegal.
730 }
731 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
732 } else if (ac97->flags & AC97_CX_SPDIF) {
733 int v;
734 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
735 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
736 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
737 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
738 v);
739 } else {
740 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
741 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
742
743 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
744 if (extst & AC97_EA_SPDIF) {
745 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
746 }
747 }
748 mutex_unlock(&ac97->reg_mutex);
749
750 return change;
751 }
752
753 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
754 {
755 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
756 int reg = kcontrol->private_value & 0xff;
757 int shift = (kcontrol->private_value >> 8) & 0xff;
758 int mask = (kcontrol->private_value >> 16) & 0xff;
759 // int invert = (kcontrol->private_value >> 24) & 0xff;
760 unsigned short value, old, new;
761 int change;
762
763 value = (ucontrol->value.integer.value[0] & mask);
764
765 mutex_lock(&ac97->reg_mutex);
766 mask <<= shift;
767 value <<= shift;
768 old = snd_ac97_read_cache(ac97, reg);
769 new = (old & ~mask) | value;
770 change = old != new;
771
772 if (change) {
773 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
774 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
775 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
776 if (extst & AC97_EA_SPDIF)
777 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
778 }
779 mutex_unlock(&ac97->reg_mutex);
780 return change;
781 }
782
783 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
784 {
785 .access = SNDRV_CTL_ELEM_ACCESS_READ,
786 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
787 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
788 .info = snd_ac97_spdif_mask_info,
789 .get = snd_ac97_spdif_cmask_get,
790 },
791 {
792 .access = SNDRV_CTL_ELEM_ACCESS_READ,
793 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
794 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
795 .info = snd_ac97_spdif_mask_info,
796 .get = snd_ac97_spdif_pmask_get,
797 },
798 {
799 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
800 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
801 .info = snd_ac97_spdif_mask_info,
802 .get = snd_ac97_spdif_default_get,
803 .put = snd_ac97_spdif_default_put,
804 },
805
806 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
807 {
808 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
809 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
810 .info = snd_ac97_info_volsw,
811 .get = snd_ac97_get_volsw,
812 .put = snd_ac97_put_spsa,
813 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
814 },
815 };
816
817 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
818 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
819 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
820 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
821
822 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
823 {
824 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
825 int mask = (kcontrol->private_value >> 16) & 0x0f;
826 int lshift = (kcontrol->private_value >> 8) & 0x0f;
827 int rshift = (kcontrol->private_value >> 12) & 0x0f;
828
829 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
830 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
831 uinfo->count = 2;
832 else
833 uinfo->count = 1;
834 uinfo->value.integer.min = 0;
835 uinfo->value.integer.max = mask;
836 return 0;
837 }
838
839 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
840 {
841 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
842 int codec = kcontrol->private_value & 3;
843 int lshift = (kcontrol->private_value >> 8) & 0x0f;
844 int rshift = (kcontrol->private_value >> 12) & 0x0f;
845 int mask = (kcontrol->private_value >> 16) & 0xff;
846
847 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
848 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
849 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
850 return 0;
851 }
852
853 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
854 {
855 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
856 int codec = kcontrol->private_value & 3;
857 int lshift = (kcontrol->private_value >> 8) & 0x0f;
858 int rshift = (kcontrol->private_value >> 12) & 0x0f;
859 int mask = (kcontrol->private_value >> 16) & 0xff;
860 unsigned short val, valmask;
861
862 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
863 valmask = mask << lshift;
864 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
865 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
866 valmask |= mask << rshift;
867 }
868 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
869 }
870
871 #define AD18XX_PCM_VOLUME(xname, codec) \
872 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
873 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
874 .private_value = codec }
875
876 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
877 {
878 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
879 uinfo->count = 2;
880 uinfo->value.integer.min = 0;
881 uinfo->value.integer.max = 31;
882 return 0;
883 }
884
885 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
886 {
887 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
888 int codec = kcontrol->private_value & 3;
889
890 mutex_lock(&ac97->page_mutex);
891 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
892 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
893 mutex_unlock(&ac97->page_mutex);
894 return 0;
895 }
896
897 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
898 {
899 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
900 int codec = kcontrol->private_value & 3;
901 unsigned short val1, val2;
902
903 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
904 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
905 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
906 }
907
908 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
909 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
910 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
911 };
912
913 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
914 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
915 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
916 };
917
918 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
919 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
920 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
921 };
922
923 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
924 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
925 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
926 };
927
928 /*
929 *
930 */
931
932 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
933
934 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
935 {
936 if (bus) {
937 snd_ac97_bus_proc_done(bus);
938 kfree(bus->pcms);
939 if (bus->private_free)
940 bus->private_free(bus);
941 kfree(bus);
942 }
943 return 0;
944 }
945
946 static int snd_ac97_bus_dev_free(struct snd_device *device)
947 {
948 struct snd_ac97_bus *bus = device->device_data;
949 return snd_ac97_bus_free(bus);
950 }
951
952 static int snd_ac97_free(struct snd_ac97 *ac97)
953 {
954 if (ac97) {
955 snd_ac97_proc_done(ac97);
956 if (ac97->bus)
957 ac97->bus->codec[ac97->num] = NULL;
958 if (ac97->private_free)
959 ac97->private_free(ac97);
960 kfree(ac97);
961 }
962 return 0;
963 }
964
965 static int snd_ac97_dev_free(struct snd_device *device)
966 {
967 struct snd_ac97 *ac97 = device->device_data;
968 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
969 return snd_ac97_free(ac97);
970 }
971
972 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
973 {
974 unsigned short val, mask = 0x8000;
975
976 if (! snd_ac97_valid_reg(ac97, reg))
977 return 0;
978
979 switch (reg) {
980 case AC97_MASTER_TONE:
981 return ac97->caps & 0x04 ? 1 : 0;
982 case AC97_HEADPHONE:
983 return ac97->caps & 0x10 ? 1 : 0;
984 case AC97_REC_GAIN_MIC:
985 return ac97->caps & 0x01 ? 1 : 0;
986 case AC97_3D_CONTROL:
987 if (ac97->caps & 0x7c00) {
988 val = snd_ac97_read(ac97, reg);
989 /* if nonzero - fixed and we can't set it */
990 return val == 0;
991 }
992 return 0;
993 case AC97_CENTER_LFE_MASTER: /* center */
994 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
995 return 0;
996 break;
997 case AC97_CENTER_LFE_MASTER+1: /* lfe */
998 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
999 return 0;
1000 reg = AC97_CENTER_LFE_MASTER;
1001 mask = 0x0080;
1002 break;
1003 case AC97_SURROUND_MASTER:
1004 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1005 return 0;
1006 break;
1007 }
1008
1009 val = snd_ac97_read(ac97, reg);
1010 if (!(val & mask)) {
1011 /* nothing seems to be here - mute flag is not set */
1012 /* try another test */
1013 snd_ac97_write_cache(ac97, reg, val | mask);
1014 val = snd_ac97_read(ac97, reg);
1015 val = snd_ac97_read(ac97, reg);
1016 if (!(val & mask))
1017 return 0; /* nothing here */
1018 }
1019 return 1; /* success, useable */
1020 }
1021
1022 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1023 {
1024 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1025 unsigned char max[3] = { 63, 31, 15 };
1026 int i;
1027
1028 /* first look up the static resolution table */
1029 if (ac97->res_table) {
1030 const struct snd_ac97_res_table *tbl;
1031 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1032 if (tbl->reg == reg) {
1033 *lo_max = tbl->bits & 0xff;
1034 *hi_max = (tbl->bits >> 8) & 0xff;
1035 return;
1036 }
1037 }
1038 }
1039
1040 *lo_max = *hi_max = 0;
1041 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1042 unsigned short val;
1043 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1044 /* Do the read twice due to buffers on some ac97 codecs.
1045 * e.g. The STAC9704 returns exactly what you wrote the the register
1046 * if you read it immediately. This causes the detect routine to fail.
1047 */
1048 val = snd_ac97_read(ac97, reg);
1049 val = snd_ac97_read(ac97, reg);
1050 if (! *lo_max && (val & 0x7f) == cbit[i])
1051 *lo_max = max[i];
1052 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1053 *hi_max = max[i];
1054 if (*lo_max && *hi_max)
1055 break;
1056 }
1057 }
1058
1059 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1060 {
1061 unsigned short mask, val, orig, res;
1062
1063 mask = 1 << bit;
1064 orig = snd_ac97_read(ac97, reg);
1065 val = orig ^ mask;
1066 snd_ac97_write(ac97, reg, val);
1067 res = snd_ac97_read(ac97, reg);
1068 snd_ac97_write_cache(ac97, reg, orig);
1069 return res == val;
1070 }
1071
1072 /* check the volume resolution of center/lfe */
1073 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1074 {
1075 unsigned short val, val1;
1076
1077 *max = 63;
1078 val = 0x8080 | (0x20 << shift);
1079 snd_ac97_write(ac97, reg, val);
1080 val1 = snd_ac97_read(ac97, reg);
1081 if (val != val1) {
1082 *max = 31;
1083 }
1084 /* reset volume to zero */
1085 snd_ac97_write_cache(ac97, reg, 0x8080);
1086 }
1087
1088 static inline int printable(unsigned int x)
1089 {
1090 x &= 0xff;
1091 if (x < ' ' || x >= 0x71) {
1092 if (x <= 0x89)
1093 return x - 0x71 + 'A';
1094 return '?';
1095 }
1096 return x;
1097 }
1098
1099 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1100 {
1101 struct snd_kcontrol_new template;
1102 memcpy(&template, _template, sizeof(template));
1103 template.index = ac97->num;
1104 return snd_ctl_new1(&template, ac97);
1105 }
1106
1107 /*
1108 * create mute switch(es) for normal stereo controls
1109 */
1110 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, int check_stereo, struct snd_ac97 *ac97)
1111 {
1112 struct snd_kcontrol *kctl;
1113 int err;
1114 unsigned short val, val1, mute_mask;
1115
1116 if (! snd_ac97_valid_reg(ac97, reg))
1117 return 0;
1118
1119 mute_mask = 0x8000;
1120 val = snd_ac97_read(ac97, reg);
1121 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1122 /* check whether both mute bits work */
1123 val1 = val | 0x8080;
1124 snd_ac97_write(ac97, reg, val1);
1125 if (val1 == snd_ac97_read(ac97, reg))
1126 mute_mask = 0x8080;
1127 }
1128 if (mute_mask == 0x8080) {
1129 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1130 tmp.index = ac97->num;
1131 kctl = snd_ctl_new1(&tmp, ac97);
1132 } else {
1133 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1134 tmp.index = ac97->num;
1135 kctl = snd_ctl_new1(&tmp, ac97);
1136 }
1137 err = snd_ctl_add(card, kctl);
1138 if (err < 0)
1139 return err;
1140 /* mute as default */
1141 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1142 return 0;
1143 }
1144
1145 /*
1146 * create a volume for normal stereo/mono controls
1147 */
1148 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1149 unsigned int hi_max, struct snd_ac97 *ac97)
1150 {
1151 int err;
1152 struct snd_kcontrol *kctl;
1153
1154 if (! snd_ac97_valid_reg(ac97, reg))
1155 return 0;
1156 if (hi_max) {
1157 /* invert */
1158 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1159 tmp.index = ac97->num;
1160 kctl = snd_ctl_new1(&tmp, ac97);
1161 } else {
1162 /* invert */
1163 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1164 tmp.index = ac97->num;
1165 kctl = snd_ctl_new1(&tmp, ac97);
1166 }
1167 err = snd_ctl_add(card, kctl);
1168 if (err < 0)
1169 return err;
1170 snd_ac97_write_cache(ac97, reg,
1171 (snd_ac97_read(ac97, reg) & 0x8080) |
1172 lo_max | (hi_max << 8));
1173 return 0;
1174 }
1175
1176 /*
1177 * create a mute-switch and a volume for normal stereo/mono controls
1178 */
1179 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, int reg, int check_stereo, struct snd_ac97 *ac97)
1180 {
1181 int err;
1182 char name[44];
1183 unsigned char lo_max, hi_max;
1184
1185 if (! snd_ac97_valid_reg(ac97, reg))
1186 return 0;
1187
1188 if (snd_ac97_try_bit(ac97, reg, 15)) {
1189 sprintf(name, "%s Switch", pfx);
1190 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1191 return err;
1192 }
1193 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1194 if (lo_max) {
1195 sprintf(name, "%s Volume", pfx);
1196 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1197 return err;
1198 }
1199 return 0;
1200 }
1201
1202 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1203 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1204
1205 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1206
1207 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1208 {
1209 struct snd_card *card = ac97->bus->card;
1210 struct snd_kcontrol *kctl;
1211 int err;
1212 unsigned int idx;
1213 unsigned char max;
1214
1215 /* build master controls */
1216 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1217 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1218 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1219 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1220 else
1221 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1222 if (err < 0)
1223 return err;
1224 }
1225
1226 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1227
1228 /* build center controls */
1229 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1230 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1231 return err;
1232 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1233 return err;
1234 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1235 kctl->private_value &= ~(0xff << 16);
1236 kctl->private_value |= (int)max << 16;
1237 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1238 }
1239
1240 /* build LFE controls */
1241 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1242 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1243 return err;
1244 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1245 return err;
1246 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1247 kctl->private_value &= ~(0xff << 16);
1248 kctl->private_value |= (int)max << 16;
1249 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1250 }
1251
1252 /* build surround controls */
1253 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1254 /* Surround Master (0x38) is with stereo mutes */
1255 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1256 return err;
1257 }
1258
1259 /* build headphone controls */
1260 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1261 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1262 return err;
1263 }
1264
1265 /* build master mono controls */
1266 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1267 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1268 return err;
1269 }
1270
1271 /* build master tone controls */
1272 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1273 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1274 for (idx = 0; idx < 2; idx++) {
1275 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1276 return err;
1277 if (ac97->id == AC97_ID_YMF753) {
1278 kctl->private_value &= ~(0xff << 16);
1279 kctl->private_value |= 7 << 16;
1280 }
1281 }
1282 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1283 }
1284 }
1285
1286 /* build PC Speaker controls */
1287 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1288 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1289 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1290 for (idx = 0; idx < 2; idx++)
1291 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1292 return err;
1293 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1294 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1295 }
1296
1297 /* build Phone controls */
1298 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1299 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1300 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1301 return err;
1302 }
1303 }
1304
1305 /* build MIC controls */
1306 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1307 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1308 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1309 return err;
1310 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1311 return err;
1312 }
1313 }
1314
1315 /* build Line controls */
1316 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1317 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1318 return err;
1319 }
1320
1321 /* build CD controls */
1322 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1323 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1324 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1325 return err;
1326 }
1327 }
1328
1329 /* build Video controls */
1330 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1331 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1332 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1333 return err;
1334 }
1335 }
1336
1337 /* build Aux controls */
1338 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1339 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1340 return err;
1341 }
1342
1343 /* build PCM controls */
1344 if (ac97->flags & AC97_AD_MULTI) {
1345 unsigned short init_val;
1346 if (ac97->flags & AC97_STEREO_MUTES)
1347 init_val = 0x9f9f;
1348 else
1349 init_val = 0x9f1f;
1350 for (idx = 0; idx < 2; idx++)
1351 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1352 return err;
1353 ac97->spec.ad18xx.pcmreg[0] = init_val;
1354 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1355 for (idx = 0; idx < 2; idx++)
1356 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1357 return err;
1358 ac97->spec.ad18xx.pcmreg[1] = init_val;
1359 }
1360 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1361 for (idx = 0; idx < 2; idx++)
1362 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1363 return err;
1364 for (idx = 0; idx < 2; idx++)
1365 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1366 return err;
1367 ac97->spec.ad18xx.pcmreg[2] = init_val;
1368 }
1369 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1370 } else {
1371 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1372 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1373 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1374 else
1375 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1376 if (err < 0)
1377 return err;
1378 }
1379 }
1380
1381 /* build Capture controls */
1382 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1383 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1384 return err;
1385 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1386 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1387 return err;
1388 }
1389 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1390 return err;
1391 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1392 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1393 }
1394 /* build MIC Capture controls */
1395 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1396 for (idx = 0; idx < 2; idx++)
1397 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1398 return err;
1399 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1400 }
1401
1402 /* build PCM out path & mute control */
1403 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1404 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1405 return err;
1406 }
1407
1408 /* build Simulated Stereo Enhancement control */
1409 if (ac97->caps & 0x0008) {
1410 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1411 return err;
1412 }
1413
1414 /* build 3D Stereo Enhancement control */
1415 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1416 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1417 return err;
1418 }
1419
1420 /* build Loudness control */
1421 if (ac97->caps & 0x0020) {
1422 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1423 return err;
1424 }
1425
1426 /* build Mono output select control */
1427 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1428 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1429 return err;
1430 }
1431
1432 /* build Mic select control */
1433 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1434 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1435 return err;
1436 }
1437
1438 /* build ADC/DAC loopback control */
1439 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1440 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1441 return err;
1442 }
1443
1444 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1445
1446 /* build 3D controls */
1447 if (ac97->build_ops->build_3d) {
1448 ac97->build_ops->build_3d(ac97);
1449 } else {
1450 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1451 unsigned short val;
1452 val = 0x0707;
1453 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1454 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1455 val = val == 0x0606;
1456 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1457 return err;
1458 if (val)
1459 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1460 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1461 return err;
1462 if (val)
1463 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1464 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1465 }
1466 }
1467
1468 /* build S/PDIF controls */
1469 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1470 if (ac97->build_ops->build_spdif) {
1471 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1472 return err;
1473 } else {
1474 for (idx = 0; idx < 5; idx++)
1475 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1476 return err;
1477 if (ac97->build_ops->build_post_spdif) {
1478 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1479 return err;
1480 }
1481 /* set default PCM S/PDIF params */
1482 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1483 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1484 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1485 }
1486 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1487 }
1488
1489 /* build chip specific controls */
1490 if (ac97->build_ops->build_specific)
1491 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1492 return err;
1493
1494 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1495 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1496 if (! kctl)
1497 return -ENOMEM;
1498 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1499 set_inv_eapd(ac97, kctl);
1500 if ((err = snd_ctl_add(card, kctl)) < 0)
1501 return err;
1502 }
1503
1504 return 0;
1505 }
1506
1507 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1508 {
1509 int err, idx;
1510
1511 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1512 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1513 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1514 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1515 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1516 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1517
1518 /* build modem switches */
1519 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1520 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1521 return err;
1522
1523 /* build chip specific controls */
1524 if (ac97->build_ops->build_specific)
1525 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1526 return err;
1527
1528 return 0;
1529 }
1530
1531 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1532 {
1533 unsigned short val;
1534 unsigned int tmp;
1535
1536 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1537 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1538 if (shadow_reg)
1539 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1540 val = snd_ac97_read(ac97, reg);
1541 return val == (tmp & 0xffff);
1542 }
1543
1544 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1545 {
1546 unsigned int result = 0;
1547 unsigned short saved;
1548
1549 if (ac97->bus->no_vra) {
1550 *r_result = SNDRV_PCM_RATE_48000;
1551 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1552 reg == AC97_PCM_FRONT_DAC_RATE)
1553 *r_result |= SNDRV_PCM_RATE_96000;
1554 return;
1555 }
1556
1557 saved = snd_ac97_read(ac97, reg);
1558 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1559 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1560 AC97_EA_DRA, 0);
1561 /* test a non-standard rate */
1562 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1563 result |= SNDRV_PCM_RATE_CONTINUOUS;
1564 /* let's try to obtain standard rates */
1565 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1566 result |= SNDRV_PCM_RATE_8000;
1567 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1568 result |= SNDRV_PCM_RATE_11025;
1569 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1570 result |= SNDRV_PCM_RATE_16000;
1571 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1572 result |= SNDRV_PCM_RATE_22050;
1573 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1574 result |= SNDRV_PCM_RATE_32000;
1575 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1576 result |= SNDRV_PCM_RATE_44100;
1577 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1578 result |= SNDRV_PCM_RATE_48000;
1579 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1580 reg == AC97_PCM_FRONT_DAC_RATE) {
1581 /* test standard double rates */
1582 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1583 AC97_EA_DRA, AC97_EA_DRA);
1584 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1585 result |= SNDRV_PCM_RATE_64000;
1586 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1587 result |= SNDRV_PCM_RATE_88200;
1588 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1589 result |= SNDRV_PCM_RATE_96000;
1590 /* some codecs don't support variable double rates */
1591 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1592 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1593 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1594 AC97_EA_DRA, 0);
1595 }
1596 /* restore the default value */
1597 snd_ac97_write_cache(ac97, reg, saved);
1598 if (shadow_reg)
1599 snd_ac97_write_cache(ac97, shadow_reg, saved);
1600 *r_result = result;
1601 }
1602
1603 /* check AC97_SPDIF register to accept which sample rates */
1604 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1605 {
1606 unsigned int result = 0;
1607 int i;
1608 static unsigned short ctl_bits[] = {
1609 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1610 };
1611 static unsigned int rate_bits[] = {
1612 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1613 };
1614
1615 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1616 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1617 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1618 result |= rate_bits[i];
1619 }
1620 return result;
1621 }
1622
1623 /* look for the codec id table matching with the given id */
1624 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1625 unsigned int id)
1626 {
1627 const struct ac97_codec_id *pid;
1628
1629 for (pid = table; pid->id; pid++)
1630 if (pid->id == (id & pid->mask))
1631 return pid;
1632 return NULL;
1633 }
1634
1635 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1636 {
1637 const struct ac97_codec_id *pid;
1638
1639 sprintf(name, "0x%x %c%c%c", id,
1640 printable(id >> 24),
1641 printable(id >> 16),
1642 printable(id >> 8));
1643 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1644 if (! pid)
1645 return;
1646
1647 strcpy(name, pid->name);
1648 if (ac97 && pid->patch) {
1649 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1650 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1651 pid->patch(ac97);
1652 }
1653
1654 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1655 if (pid) {
1656 strcat(name, " ");
1657 strcat(name, pid->name);
1658 if (pid->mask != 0xffffffff)
1659 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1660 if (ac97 && pid->patch) {
1661 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1662 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1663 pid->patch(ac97);
1664 }
1665 } else
1666 sprintf(name + strlen(name), " id %x", id & 0xff);
1667 }
1668
1669 /**
1670 * snd_ac97_get_short_name - retrieve codec name
1671 * @ac97: the codec instance
1672 *
1673 * Returns the short identifying name of the codec.
1674 */
1675 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1676 {
1677 const struct ac97_codec_id *pid;
1678
1679 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1680 if (pid->id == (ac97->id & pid->mask))
1681 return pid->name;
1682 return "unknown codec";
1683 }
1684
1685
1686 /* wait for a while until registers are accessible after RESET
1687 * return 0 if ok, negative not ready
1688 */
1689 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1690 {
1691 unsigned long end_time;
1692 unsigned short val;
1693
1694 end_time = jiffies + timeout;
1695 do {
1696
1697 /* use preliminary reads to settle the communication */
1698 snd_ac97_read(ac97, AC97_RESET);
1699 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1700 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1701 /* modem? */
1702 if (with_modem) {
1703 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1704 if (val != 0xffff && (val & 1) != 0)
1705 return 0;
1706 }
1707 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1708 /* probably only Xbox issue - all registers are read as zero */
1709 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1710 if (val != 0 && val != 0xffff)
1711 return 0;
1712 } else {
1713 /* because the PCM or MASTER volume registers can be modified,
1714 * the REC_GAIN register is used for tests
1715 */
1716 /* test if we can write to the record gain volume register */
1717 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1718 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1719 return 0;
1720 }
1721 schedule_timeout_uninterruptible(1);
1722 } while (time_after_eq(end_time, jiffies));
1723 return -ENODEV;
1724 }
1725
1726 /**
1727 * snd_ac97_bus - create an AC97 bus component
1728 * @card: the card instance
1729 * @num: the bus number
1730 * @ops: the bus callbacks table
1731 * @private_data: private data pointer for the new instance
1732 * @rbus: the pointer to store the new AC97 bus instance.
1733 *
1734 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1735 * allocated and initialized.
1736 *
1737 * The ops table must include valid callbacks (at least read and
1738 * write). The other callbacks, wait and reset, are not mandatory.
1739 *
1740 * The clock is set to 48000. If another clock is needed, set
1741 * (*rbus)->clock manually.
1742 *
1743 * The AC97 bus instance is registered as a low-level device, so you don't
1744 * have to release it manually.
1745 *
1746 * Returns zero if successful, or a negative error code on failure.
1747 */
1748 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1749 void *private_data, struct snd_ac97_bus **rbus)
1750 {
1751 int err;
1752 struct snd_ac97_bus *bus;
1753 static struct snd_device_ops dev_ops = {
1754 .dev_free = snd_ac97_bus_dev_free,
1755 };
1756
1757 snd_assert(card != NULL, return -EINVAL);
1758 snd_assert(rbus != NULL, return -EINVAL);
1759 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1760 if (bus == NULL)
1761 return -ENOMEM;
1762 bus->card = card;
1763 bus->num = num;
1764 bus->ops = ops;
1765 bus->private_data = private_data;
1766 bus->clock = 48000;
1767 spin_lock_init(&bus->bus_lock);
1768 snd_ac97_bus_proc_init(bus);
1769 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1770 snd_ac97_bus_free(bus);
1771 return err;
1772 }
1773 *rbus = bus;
1774 return 0;
1775 }
1776
1777 /* stop no dev release warning */
1778 static void ac97_device_release(struct device * dev)
1779 {
1780 }
1781
1782 /* register ac97 codec to bus */
1783 static int snd_ac97_dev_register(struct snd_device *device)
1784 {
1785 struct snd_ac97 *ac97 = device->device_data;
1786 int err;
1787
1788 ac97->dev.bus = &ac97_bus_type;
1789 ac97->dev.parent = ac97->bus->card->dev;
1790 ac97->dev.release = ac97_device_release;
1791 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1792 ac97->bus->card->number, ac97->num,
1793 snd_ac97_get_short_name(ac97));
1794 if ((err = device_register(&ac97->dev)) < 0) {
1795 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1796 ac97->dev.bus = NULL;
1797 return err;
1798 }
1799 return 0;
1800 }
1801
1802 /* unregister ac97 codec */
1803 static int snd_ac97_dev_unregister(struct snd_device *device)
1804 {
1805 struct snd_ac97 *ac97 = device->device_data;
1806 if (ac97->dev.bus)
1807 device_unregister(&ac97->dev);
1808 return snd_ac97_free(ac97);
1809 }
1810
1811 /* build_ops to do nothing */
1812 static struct snd_ac97_build_ops null_build_ops;
1813
1814 /**
1815 * snd_ac97_mixer - create an Codec97 component
1816 * @bus: the AC97 bus which codec is attached to
1817 * @template: the template of ac97, including index, callbacks and
1818 * the private data.
1819 * @rac97: the pointer to store the new ac97 instance.
1820 *
1821 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1822 * allocated and initialized from the template. The codec
1823 * is then initialized by the standard procedure.
1824 *
1825 * The template must include the codec number (num) and address (addr),
1826 * and the private data (private_data).
1827 *
1828 * The ac97 instance is registered as a low-level device, so you don't
1829 * have to release it manually.
1830 *
1831 * Returns zero if successful, or a negative error code on failure.
1832 */
1833 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1834 {
1835 int err;
1836 struct snd_ac97 *ac97;
1837 struct snd_card *card;
1838 char name[64];
1839 unsigned long end_time;
1840 unsigned int reg;
1841 const struct ac97_codec_id *pid;
1842 static struct snd_device_ops ops = {
1843 .dev_free = snd_ac97_dev_free,
1844 .dev_register = snd_ac97_dev_register,
1845 .dev_unregister = snd_ac97_dev_unregister,
1846 };
1847
1848 snd_assert(rac97 != NULL, return -EINVAL);
1849 *rac97 = NULL;
1850 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1851 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1852
1853 card = bus->card;
1854 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1855 if (ac97 == NULL)
1856 return -ENOMEM;
1857 ac97->private_data = template->private_data;
1858 ac97->private_free = template->private_free;
1859 ac97->bus = bus;
1860 ac97->pci = template->pci;
1861 ac97->num = template->num;
1862 ac97->addr = template->addr;
1863 ac97->scaps = template->scaps;
1864 ac97->res_table = template->res_table;
1865 bus->codec[ac97->num] = ac97;
1866 mutex_init(&ac97->reg_mutex);
1867 mutex_init(&ac97->page_mutex);
1868
1869 #ifdef CONFIG_PCI
1870 if (ac97->pci) {
1871 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1872 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1873 }
1874 #endif
1875 if (bus->ops->reset) {
1876 bus->ops->reset(ac97);
1877 goto __access_ok;
1878 }
1879
1880 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1881 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1882 if (ac97->id && ac97->id != (unsigned int)-1) {
1883 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1884 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1885 goto __access_ok;
1886 }
1887
1888 /* reset to defaults */
1889 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1890 snd_ac97_write(ac97, AC97_RESET, 0);
1891 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1892 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1893 if (bus->ops->wait)
1894 bus->ops->wait(ac97);
1895 else {
1896 udelay(50);
1897 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1898 err = ac97_reset_wait(ac97, HZ/2, 1);
1899 else {
1900 err = ac97_reset_wait(ac97, HZ/2, 0);
1901 if (err < 0)
1902 err = ac97_reset_wait(ac97, HZ/2, 1);
1903 }
1904 if (err < 0) {
1905 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1906 /* proceed anyway - it's often non-critical */
1907 }
1908 }
1909 __access_ok:
1910 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1911 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1912 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1913 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1914 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1915 snd_ac97_free(ac97);
1916 return -EIO;
1917 }
1918 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1919 if (pid)
1920 ac97->flags |= pid->flags;
1921
1922 /* test for AC'97 */
1923 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1924 /* test if we can write to the record gain volume register */
1925 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1926 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1927 ac97->scaps |= AC97_SCAP_AUDIO;
1928 }
1929 if (ac97->scaps & AC97_SCAP_AUDIO) {
1930 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1931 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1932 if (ac97->ext_id == 0xffff) /* invalid combination */
1933 ac97->ext_id = 0;
1934 }
1935
1936 /* test for MC'97 */
1937 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1938 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1939 if (ac97->ext_mid == 0xffff) /* invalid combination */
1940 ac97->ext_mid = 0;
1941 if (ac97->ext_mid & 1)
1942 ac97->scaps |= AC97_SCAP_MODEM;
1943 }
1944
1945 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1946 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1947 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1948 snd_ac97_free(ac97);
1949 return -EACCES;
1950 }
1951
1952 if (bus->ops->reset) // FIXME: always skipping?
1953 goto __ready_ok;
1954
1955 /* FIXME: add powerdown control */
1956 if (ac97_is_audio(ac97)) {
1957 /* nothing should be in powerdown mode */
1958 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1959 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1960 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1961 udelay(100);
1962 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1963 }
1964 /* nothing should be in powerdown mode */
1965 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1966 end_time = jiffies + (HZ / 10);
1967 do {
1968 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1969 goto __ready_ok;
1970 schedule_timeout_uninterruptible(1);
1971 } while (time_after_eq(end_time, jiffies));
1972 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1973 }
1974
1975 /* FIXME: add powerdown control */
1976 if (ac97_is_modem(ac97)) {
1977 unsigned char tmp;
1978
1979 /* nothing should be in powerdown mode */
1980 /* note: it's important to set the rate at first */
1981 tmp = AC97_MEA_GPIO;
1982 if (ac97->ext_mid & AC97_MEI_LINE1) {
1983 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1984 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
1985 }
1986 if (ac97->ext_mid & AC97_MEI_LINE2) {
1987 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1988 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
1989 }
1990 if (ac97->ext_mid & AC97_MEI_HANDSET) {
1991 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1992 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
1993 }
1994 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1995 udelay(100);
1996 /* nothing should be in powerdown mode */
1997 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1998 end_time = jiffies + (HZ / 10);
1999 do {
2000 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2001 goto __ready_ok;
2002 schedule_timeout_uninterruptible(1);
2003 } while (time_after_eq(end_time, jiffies));
2004 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2005 }
2006
2007 __ready_ok:
2008 if (ac97_is_audio(ac97))
2009 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2010 else
2011 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2012 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2013 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2014 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2015 if (! bus->no_vra)
2016 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2017 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2018 }
2019 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2020 /* Intel controllers require double rate data to be put in
2021 * slots 7+8, so let's hope the codec supports it. */
2022 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2023 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2024 ac97->flags |= AC97_DOUBLE_RATE;
2025 /* restore to slots 10/11 to avoid the confliction with surrounds */
2026 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2027 }
2028 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2029 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2030 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2031 } else {
2032 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2033 if (ac97->flags & AC97_DOUBLE_RATE)
2034 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2035 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2036 }
2037 if (ac97->ext_id & AC97_EI_SPDIF) {
2038 /* codec specific code (patch) should override these values */
2039 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2040 }
2041 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2042 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2043 } else {
2044 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2045 }
2046 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2047 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2048 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2049 }
2050 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2051 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2052 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2053 }
2054 /* additional initializations */
2055 if (bus->ops->init)
2056 bus->ops->init(ac97);
2057 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2058 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2059 if (! ac97->build_ops)
2060 ac97->build_ops = &null_build_ops;
2061
2062 if (ac97_is_audio(ac97)) {
2063 char comp[16];
2064 if (card->mixername[0] == '\0') {
2065 strcpy(card->mixername, name);
2066 } else {
2067 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2068 strcat(card->mixername, ",");
2069 strcat(card->mixername, name);
2070 }
2071 }
2072 sprintf(comp, "AC97a:%08x", ac97->id);
2073 if ((err = snd_component_add(card, comp)) < 0) {
2074 snd_ac97_free(ac97);
2075 return err;
2076 }
2077 if (snd_ac97_mixer_build(ac97) < 0) {
2078 snd_ac97_free(ac97);
2079 return -ENOMEM;
2080 }
2081 }
2082 if (ac97_is_modem(ac97)) {
2083 char comp[16];
2084 if (card->mixername[0] == '\0') {
2085 strcpy(card->mixername, name);
2086 } else {
2087 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2088 strcat(card->mixername, ",");
2089 strcat(card->mixername, name);
2090 }
2091 }
2092 sprintf(comp, "AC97m:%08x", ac97->id);
2093 if ((err = snd_component_add(card, comp)) < 0) {
2094 snd_ac97_free(ac97);
2095 return err;
2096 }
2097 if (snd_ac97_modem_build(card, ac97) < 0) {
2098 snd_ac97_free(ac97);
2099 return -ENOMEM;
2100 }
2101 }
2102 /* make sure the proper powerdown bits are cleared */
2103 if (ac97->scaps && ac97_is_audio(ac97)) {
2104 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2105 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2106 reg &= ~AC97_EA_PRJ;
2107 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2108 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2109 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2110 }
2111 snd_ac97_proc_init(ac97);
2112 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2113 snd_ac97_free(ac97);
2114 return err;
2115 }
2116 *rac97 = ac97;
2117 return 0;
2118 }
2119
2120
2121 /*
2122 * Power down the chip.
2123 *
2124 * MASTER and HEADPHONE registers are muted but the register cache values
2125 * are not changed, so that the values can be restored in snd_ac97_resume().
2126 */
2127 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2128 {
2129 unsigned short power;
2130
2131 if (ac97_is_audio(ac97)) {
2132 /* some codecs have stereo mute bits */
2133 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2134 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2135 }
2136
2137 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2138 power |= 0x4000; /* Headphone amplifier powerdown */
2139 power |= 0x0300; /* ADC & DAC powerdown */
2140 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2141 udelay(100);
2142 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2143 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2144 udelay(100);
2145 #if 0
2146 /* FIXME: this causes click noises on some boards at resume */
2147 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2148 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2149 #endif
2150 }
2151
2152
2153 #ifdef CONFIG_PM
2154 /**
2155 * snd_ac97_suspend - General suspend function for AC97 codec
2156 * @ac97: the ac97 instance
2157 *
2158 * Suspends the codec, power down the chip.
2159 */
2160 void snd_ac97_suspend(struct snd_ac97 *ac97)
2161 {
2162 if (! ac97)
2163 return;
2164 if (ac97->build_ops->suspend)
2165 ac97->build_ops->suspend(ac97);
2166 snd_ac97_powerdown(ac97);
2167 }
2168
2169 /*
2170 * restore ac97 status
2171 */
2172 void snd_ac97_restore_status(struct snd_ac97 *ac97)
2173 {
2174 int i;
2175
2176 for (i = 2; i < 0x7c ; i += 2) {
2177 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2178 continue;
2179 /* restore only accessible registers
2180 * some chip (e.g. nm256) may hang up when unsupported registers
2181 * are accessed..!
2182 */
2183 if (test_bit(i, ac97->reg_accessed)) {
2184 snd_ac97_write(ac97, i, ac97->regs[i]);
2185 snd_ac97_read(ac97, i);
2186 }
2187 }
2188 }
2189
2190 /*
2191 * restore IEC958 status
2192 */
2193 void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2194 {
2195 if (ac97->ext_id & AC97_EI_SPDIF) {
2196 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2197 /* reset spdif status */
2198 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2199 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2200 if (ac97->flags & AC97_CS_SPDIF)
2201 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2202 else
2203 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2204 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2205 }
2206 }
2207 }
2208
2209 /**
2210 * snd_ac97_resume - General resume function for AC97 codec
2211 * @ac97: the ac97 instance
2212 *
2213 * Do the standard resume procedure, power up and restoring the
2214 * old register values.
2215 */
2216 void snd_ac97_resume(struct snd_ac97 *ac97)
2217 {
2218 unsigned long end_time;
2219
2220 if (! ac97)
2221 return;
2222
2223 if (ac97->bus->ops->reset) {
2224 ac97->bus->ops->reset(ac97);
2225 goto __reset_ready;
2226 }
2227
2228 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2229 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2230 snd_ac97_write(ac97, AC97_RESET, 0);
2231 udelay(100);
2232 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2233 }
2234 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2235
2236 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2237 if (ac97_is_audio(ac97)) {
2238 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2239 end_time = jiffies + msecs_to_jiffies(100);
2240 do {
2241 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2242 break;
2243 schedule_timeout_uninterruptible(1);
2244 } while (time_after_eq(end_time, jiffies));
2245 /* FIXME: extra delay */
2246 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2247 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2248 msleep(250);
2249 } else {
2250 end_time = jiffies + msecs_to_jiffies(100);
2251 do {
2252 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2253 if (val != 0xffff && (val & 1) != 0)
2254 break;
2255 schedule_timeout_uninterruptible(1);
2256 } while (time_after_eq(end_time, jiffies));
2257 }
2258 __reset_ready:
2259
2260 if (ac97->bus->ops->init)
2261 ac97->bus->ops->init(ac97);
2262
2263 if (ac97->build_ops->resume)
2264 ac97->build_ops->resume(ac97);
2265 else {
2266 snd_ac97_restore_status(ac97);
2267 snd_ac97_restore_iec958(ac97);
2268 }
2269 }
2270 #endif
2271
2272
2273 /*
2274 * Hardware tuning
2275 */
2276 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2277 {
2278 if (suffix)
2279 sprintf(dst, "%s %s", src, suffix);
2280 else
2281 strcpy(dst, src);
2282 }
2283
2284 /* remove the control with the given name and optional suffix */
2285 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
2286 {
2287 struct snd_ctl_elem_id id;
2288 memset(&id, 0, sizeof(id));
2289 set_ctl_name(id.name, name, suffix);
2290 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2291 return snd_ctl_remove_id(ac97->bus->card, &id);
2292 }
2293
2294 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2295 {
2296 struct snd_ctl_elem_id sid;
2297 memset(&sid, 0, sizeof(sid));
2298 set_ctl_name(sid.name, name, suffix);
2299 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2300 return snd_ctl_find_id(ac97->bus->card, &sid);
2301 }
2302
2303 /* rename the control with the given name and optional suffix */
2304 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
2305 {
2306 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2307 if (kctl) {
2308 set_ctl_name(kctl->id.name, dst, suffix);
2309 return 0;
2310 }
2311 return -ENOENT;
2312 }
2313
2314 /* rename both Volume and Switch controls - don't check the return value */
2315 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
2316 {
2317 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2318 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2319 }
2320
2321 /* swap controls */
2322 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
2323 {
2324 struct snd_kcontrol *kctl1, *kctl2;
2325 kctl1 = ctl_find(ac97, s1, suffix);
2326 kctl2 = ctl_find(ac97, s2, suffix);
2327 if (kctl1 && kctl2) {
2328 set_ctl_name(kctl1->id.name, s2, suffix);
2329 set_ctl_name(kctl2->id.name, s1, suffix);
2330 return 0;
2331 }
2332 return -ENOENT;
2333 }
2334
2335 #if 1
2336 /* bind hp and master controls instead of using only hp control */
2337 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2338 {
2339 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2340 if (err > 0) {
2341 unsigned long priv_saved = kcontrol->private_value;
2342 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2343 snd_ac97_put_volsw(kcontrol, ucontrol);
2344 kcontrol->private_value = priv_saved;
2345 }
2346 return err;
2347 }
2348
2349 /* ac97 tune: bind Master and Headphone controls */
2350 static int tune_hp_only(struct snd_ac97 *ac97)
2351 {
2352 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2353 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2354 if (! msw || ! mvol)
2355 return -ENOENT;
2356 msw->put = bind_hp_volsw_put;
2357 mvol->put = bind_hp_volsw_put;
2358 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2359 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2360 return 0;
2361 }
2362
2363 #else
2364 /* ac97 tune: use Headphone control as master */
2365 static int tune_hp_only(struct snd_ac97 *ac97)
2366 {
2367 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2368 return -ENOENT;
2369 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2370 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2371 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2372 return 0;
2373 }
2374 #endif
2375
2376 /* ac97 tune: swap Headphone and Master controls */
2377 static int tune_swap_hp(struct snd_ac97 *ac97)
2378 {
2379 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2380 return -ENOENT;
2381 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2382 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2383 return 0;
2384 }
2385
2386 /* ac97 tune: swap Surround and Master controls */
2387 static int tune_swap_surround(struct snd_ac97 *ac97)
2388 {
2389 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2390 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2391 return -ENOENT;
2392 return 0;
2393 }
2394
2395 /* ac97 tune: set up mic sharing for AD codecs */
2396 static int tune_ad_sharing(struct snd_ac97 *ac97)
2397 {
2398 unsigned short scfg;
2399 if ((ac97->id & 0xffffff00) != 0x41445300) {
2400 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2401 return -EINVAL;
2402 }
2403 /* Turn on OMS bit to route microphone to back panel */
2404 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2405 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2406 return 0;
2407 }
2408
2409 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2410 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2411
2412 /* ac97 tune: set up ALC jack-select */
2413 static int tune_alc_jack(struct snd_ac97 *ac97)
2414 {
2415 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2416 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2417 return -EINVAL;
2418 }
2419 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2420 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2421 if (ac97->id == AC97_ID_ALC658D)
2422 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2423 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2424 }
2425
2426 /* ac97 tune: inversed EAPD bit */
2427 static int tune_inv_eapd(struct snd_ac97 *ac97)
2428 {
2429 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2430 if (! kctl)
2431 return -ENOENT;
2432 set_inv_eapd(ac97, kctl);
2433 return 0;
2434 }
2435
2436 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2437 {
2438 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2439 if (err > 0) {
2440 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2441 int shift = (kcontrol->private_value >> 8) & 0x0f;
2442 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2443 unsigned short mask;
2444 if (shift != rshift)
2445 mask = 0x8080;
2446 else
2447 mask = 0x8000;
2448 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2449 (ac97->regs[AC97_MASTER] & mask) == mask ?
2450 0x8000 : 0);
2451 }
2452 return err;
2453 }
2454
2455 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2456 static int tune_mute_led(struct snd_ac97 *ac97)
2457 {
2458 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2459 if (! msw)
2460 return -ENOENT;
2461 msw->put = master_mute_sw_put;
2462 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2463 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2464 return 0;
2465 }
2466
2467 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2468 struct snd_ctl_elem_value *ucontrol)
2469 {
2470 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2471 if (err > 0) {
2472 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2473 int shift = (kcontrol->private_value >> 8) & 0x0f;
2474 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2475 unsigned short mask;
2476 if (shift != rshift)
2477 mask = 0x8080;
2478 else
2479 mask = 0x8000;
2480 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2481 (ac97->regs[AC97_MASTER] & mask) == mask ?
2482 0x8000 : 0);
2483 }
2484 return err;
2485 }
2486
2487 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2488 {
2489 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2490 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2491 if (! msw || ! mvol)
2492 return -ENOENT;
2493 msw->put = hp_master_mute_sw_put;
2494 mvol->put = bind_hp_volsw_put;
2495 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2496 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2497 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2498 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2499 return 0;
2500 }
2501
2502 struct quirk_table {
2503 const char *name;
2504 int (*func)(struct snd_ac97 *);
2505 };
2506
2507 static struct quirk_table applicable_quirks[] = {
2508 { "none", NULL },
2509 { "hp_only", tune_hp_only },
2510 { "swap_hp", tune_swap_hp },
2511 { "swap_surround", tune_swap_surround },
2512 { "ad_sharing", tune_ad_sharing },
2513 { "alc_jack", tune_alc_jack },
2514 { "inv_eapd", tune_inv_eapd },
2515 { "mute_led", tune_mute_led },
2516 { "hp_mute_led", tune_hp_mute_led },
2517 };
2518
2519 /* apply the quirk with the given type */
2520 static int apply_quirk(struct snd_ac97 *ac97, int type)
2521 {
2522 if (type <= 0)
2523 return 0;
2524 else if (type >= ARRAY_SIZE(applicable_quirks))
2525 return -EINVAL;
2526 if (applicable_quirks[type].func)
2527 return applicable_quirks[type].func(ac97);
2528 return 0;
2529 }
2530
2531 /* apply the quirk with the given name */
2532 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2533 {
2534 int i;
2535 struct quirk_table *q;
2536
2537 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2538 q = &applicable_quirks[i];
2539 if (q->name && ! strcmp(typestr, q->name))
2540 return apply_quirk(ac97, i);
2541 }
2542 /* for compatibility, accept the numbers, too */
2543 if (*typestr >= '0' && *typestr <= '9')
2544 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2545 return -EINVAL;
2546 }
2547
2548 /**
2549 * snd_ac97_tune_hardware - tune up the hardware
2550 * @ac97: the ac97 instance
2551 * @quirk: quirk list
2552 * @override: explicit quirk value (overrides the list if non-NULL)
2553 *
2554 * Do some workaround for each pci device, such as renaming of the
2555 * headphone (true line-out) control as "Master".
2556 * The quirk-list must be terminated with a zero-filled entry.
2557 *
2558 * Returns zero if successful, or a negative error code on failure.
2559 */
2560
2561 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2562 {
2563 int result;
2564
2565 /* quirk overriden? */
2566 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2567 result = apply_quirk_str(ac97, override);
2568 if (result < 0)
2569 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2570 return result;
2571 }
2572
2573 if (! quirk)
2574 return -EINVAL;
2575
2576 for (; quirk->subvendor; quirk++) {
2577 if (quirk->subvendor != ac97->subsystem_vendor)
2578 continue;
2579 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2580 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2581 if (quirk->codec_id && quirk->codec_id != ac97->id)
2582 continue;
2583 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2584 result = apply_quirk(ac97, quirk->type);
2585 if (result < 0)
2586 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2587 return result;
2588 }
2589 }
2590 return 0;
2591 }
2592
2593
2594 /*
2595 * Exported symbols
2596 */
2597
2598 EXPORT_SYMBOL(snd_ac97_write);
2599 EXPORT_SYMBOL(snd_ac97_read);
2600 EXPORT_SYMBOL(snd_ac97_write_cache);
2601 EXPORT_SYMBOL(snd_ac97_update);
2602 EXPORT_SYMBOL(snd_ac97_update_bits);
2603 EXPORT_SYMBOL(snd_ac97_get_short_name);
2604 EXPORT_SYMBOL(snd_ac97_bus);
2605 EXPORT_SYMBOL(snd_ac97_mixer);
2606 EXPORT_SYMBOL(snd_ac97_pcm_assign);
2607 EXPORT_SYMBOL(snd_ac97_pcm_open);
2608 EXPORT_SYMBOL(snd_ac97_pcm_close);
2609 EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2610 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2611 EXPORT_SYMBOL(snd_ac97_set_rate);
2612 #ifdef CONFIG_PM
2613 EXPORT_SYMBOL(snd_ac97_resume);
2614 EXPORT_SYMBOL(snd_ac97_suspend);
2615 #endif
2616
2617 /*
2618 * INIT part
2619 */
2620
2621 static int __init alsa_ac97_init(void)
2622 {
2623 return 0;
2624 }
2625
2626 static void __exit alsa_ac97_exit(void)
2627 {
2628 }
2629
2630 module_init(alsa_ac97_init)
2631 module_exit(alsa_ac97_exit)
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