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[POWERPC] Use menuconfig objects II - Macintosh
[wrt350n-kernel.git] / sound / pci / ac97 / ac97_codec.c
bloba9eec2a2357d5fae8638d2234444aca90ffe1bc2
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/tlv.h>
35 #include <sound/ac97_codec.h>
36 #include <sound/asoundef.h>
37 #include <sound/initval.h>
38 #include "ac97_local.h"
39 #include "ac97_id.h"
40 #include "ac97_patch.h"
41
42 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
43 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
44 MODULE_LICENSE("GPL");
45
46 static int enable_loopback;
47
48 module_param(enable_loopback, bool, 0444);
49 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
50
51 #ifdef CONFIG_SND_AC97_POWER_SAVE
52 static int power_save;
53 module_param(power_save, bool, 0644);
54 MODULE_PARM_DESC(power_save, "Enable AC97 power-saving control");
55 #endif
56 /*
57
58 */
59
60 struct ac97_codec_id {
61 unsigned int id;
62 unsigned int mask;
63 const char *name;
64 int (*patch)(struct snd_ac97 *ac97);
65 int (*mpatch)(struct snd_ac97 *ac97);
66 unsigned int flags;
67 };
68
69 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
70 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
71 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
72 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
73 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
74 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
75 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
76 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
77 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
78 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
79 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
80 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
81 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
82 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
83 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
84 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
85 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
86 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
87 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
88 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
89 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
90 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
91 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
92 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
93 { 0, 0, NULL, NULL, NULL }
94 };
95
96 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
97 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
98 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
99 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
100 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
101 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
102 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
103 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
104 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
105 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
106 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
107 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
108 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
109 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
110 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
111 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
112 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
113 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
114 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL },
115 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
116 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
117 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
118 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
119 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
120 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
121 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
122 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
123 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
124 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
125 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
126 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
127 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
128 { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
129 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
130 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
131 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
132 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL },
133 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL },
134 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL },
135 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
136 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
137 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
138 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
139 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
140 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
141 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
142 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
143 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
144 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
145 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
146 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL },
147 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
148 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
149 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
150 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
151 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
152 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
153 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
154 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
155 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
156 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
157 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
158 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
159 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
160 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
161 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
162 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
163 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
164 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
165 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
166 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
167 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
168 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
169 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
170 { 0x56494182, 0xffffffff, "VIA1618", NULL, NULL },
171 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
172 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
173 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
174 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
175 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
176 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
177 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
178 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
179 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
180 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
181 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
182 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
183 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
184 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
185 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
186 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
187 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
188 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
189 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
190 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
191 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
192 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
193 { 0, 0, NULL, NULL, NULL }
194 };
195
196
197 static void update_power_regs(struct snd_ac97 *ac97);
198 #ifdef CONFIG_SND_AC97_POWER_SAVE
199 #define ac97_is_power_save_mode(ac97) \
200 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
201 #else
202 #define ac97_is_power_save_mode(ac97) 0
203 #endif
204
205
206 /*
207 * I/O routines
208 */
209
210 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
211 {
212 /* filter some registers for buggy codecs */
213 switch (ac97->id) {
214 case AC97_ID_AK4540:
215 case AC97_ID_AK4542:
216 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
217 return 1;
218 return 0;
219 case AC97_ID_AD1819: /* AD1819 */
220 case AC97_ID_AD1881: /* AD1881 */
221 case AC97_ID_AD1881A: /* AD1881A */
222 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
223 return 0;
224 return 1;
225 case AC97_ID_AD1885: /* AD1885 */
226 case AC97_ID_AD1886: /* AD1886 */
227 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
228 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
229 if (reg == 0x5a)
230 return 1;
231 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
232 return 0;
233 return 1;
234 case AC97_ID_STAC9700:
235 case AC97_ID_STAC9704:
236 case AC97_ID_STAC9705:
237 case AC97_ID_STAC9708:
238 case AC97_ID_STAC9721:
239 case AC97_ID_STAC9744:
240 case AC97_ID_STAC9756:
241 if (reg <= 0x3a || reg >= 0x5a)
242 return 1;
243 return 0;
244 }
245 return 1;
246 }
247
248 /**
249 * snd_ac97_write - write a value on the given register
250 * @ac97: the ac97 instance
251 * @reg: the register to change
252 * @value: the value to set
253 *
254 * Writes a value on the given register. This will invoke the write
255 * callback directly after the register check.
256 * This function doesn't change the register cache unlike
257 * #snd_ca97_write_cache(), so use this only when you don't want to
258 * reflect the change to the suspend/resume state.
259 */
260 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
261 {
262 if (!snd_ac97_valid_reg(ac97, reg))
263 return;
264 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
265 /* Fix H/W bug of ALC100/100P */
266 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
267 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
268 }
269 ac97->bus->ops->write(ac97, reg, value);
270 }
271
272 EXPORT_SYMBOL(snd_ac97_write);
273
274 /**
275 * snd_ac97_read - read a value from the given register
276 *
277 * @ac97: the ac97 instance
278 * @reg: the register to read
279 *
280 * Reads a value from the given register. This will invoke the read
281 * callback directly after the register check.
282 *
283 * Returns the read value.
284 */
285 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
286 {
287 if (!snd_ac97_valid_reg(ac97, reg))
288 return 0;
289 return ac97->bus->ops->read(ac97, reg);
290 }
291
292 /* read a register - return the cached value if already read */
293 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
294 {
295 if (! test_bit(reg, ac97->reg_accessed)) {
296 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
297 // set_bit(reg, ac97->reg_accessed);
298 }
299 return ac97->regs[reg];
300 }
301
302 EXPORT_SYMBOL(snd_ac97_read);
303
304 /**
305 * snd_ac97_write_cache - write a value on the given register and update the cache
306 * @ac97: the ac97 instance
307 * @reg: the register to change
308 * @value: the value to set
309 *
310 * Writes a value on the given register and updates the register
311 * cache. The cached values are used for the cached-read and the
312 * suspend/resume.
313 */
314 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
315 {
316 if (!snd_ac97_valid_reg(ac97, reg))
317 return;
318 mutex_lock(&ac97->reg_mutex);
319 ac97->regs[reg] = value;
320 ac97->bus->ops->write(ac97, reg, value);
321 set_bit(reg, ac97->reg_accessed);
322 mutex_unlock(&ac97->reg_mutex);
323 }
324
325 EXPORT_SYMBOL(snd_ac97_write_cache);
326
327 /**
328 * snd_ac97_update - update the value on the given register
329 * @ac97: the ac97 instance
330 * @reg: the register to change
331 * @value: the value to set
332 *
333 * Compares the value with the register cache and updates the value
334 * only when the value is changed.
335 *
336 * Returns 1 if the value is changed, 0 if no change, or a negative
337 * code on failure.
338 */
339 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
340 {
341 int change;
342
343 if (!snd_ac97_valid_reg(ac97, reg))
344 return -EINVAL;
345 mutex_lock(&ac97->reg_mutex);
346 change = ac97->regs[reg] != value;
347 if (change) {
348 ac97->regs[reg] = value;
349 ac97->bus->ops->write(ac97, reg, value);
350 }
351 set_bit(reg, ac97->reg_accessed);
352 mutex_unlock(&ac97->reg_mutex);
353 return change;
354 }
355
356 EXPORT_SYMBOL(snd_ac97_update);
357
358 /**
359 * snd_ac97_update_bits - update the bits on the given register
360 * @ac97: the ac97 instance
361 * @reg: the register to change
362 * @mask: the bit-mask to change
363 * @value: the value to set
364 *
365 * Updates the masked-bits on the given register only when the value
366 * is changed.
367 *
368 * Returns 1 if the bits are changed, 0 if no change, or a negative
369 * code on failure.
370 */
371 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
372 {
373 int change;
374
375 if (!snd_ac97_valid_reg(ac97, reg))
376 return -EINVAL;
377 mutex_lock(&ac97->reg_mutex);
378 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
379 mutex_unlock(&ac97->reg_mutex);
380 return change;
381 }
382
383 EXPORT_SYMBOL(snd_ac97_update_bits);
384
385 /* no lock version - see snd_ac97_updat_bits() */
386 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
387 unsigned short mask, unsigned short value)
388 {
389 int change;
390 unsigned short old, new;
391
392 old = snd_ac97_read_cache(ac97, reg);
393 new = (old & ~mask) | (value & mask);
394 change = old != new;
395 if (change) {
396 ac97->regs[reg] = new;
397 ac97->bus->ops->write(ac97, reg, new);
398 }
399 set_bit(reg, ac97->reg_accessed);
400 return change;
401 }
402
403 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
404 {
405 int change;
406 unsigned short old, new, cfg;
407
408 mutex_lock(&ac97->page_mutex);
409 old = ac97->spec.ad18xx.pcmreg[codec];
410 new = (old & ~mask) | (value & mask);
411 change = old != new;
412 if (change) {
413 mutex_lock(&ac97->reg_mutex);
414 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
415 ac97->spec.ad18xx.pcmreg[codec] = new;
416 /* select single codec */
417 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
418 (cfg & ~0x7000) |
419 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
420 /* update PCM bits */
421 ac97->bus->ops->write(ac97, AC97_PCM, new);
422 /* select all codecs */
423 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
424 cfg | 0x7000);
425 mutex_unlock(&ac97->reg_mutex);
426 }
427 mutex_unlock(&ac97->page_mutex);
428 return change;
429 }
430
431 /*
432 * Controls
433 */
434
435 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
436 {
437 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
438
439 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
440 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
441 uinfo->value.enumerated.items = e->mask;
442
443 if (uinfo->value.enumerated.item > e->mask - 1)
444 uinfo->value.enumerated.item = e->mask - 1;
445 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
446 return 0;
447 }
448
449 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
450 {
451 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
452 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
453 unsigned short val, bitmask;
454
455 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
456 ;
457 val = snd_ac97_read_cache(ac97, e->reg);
458 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
459 if (e->shift_l != e->shift_r)
460 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
461
462 return 0;
463 }
464
465 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
466 {
467 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
468 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
469 unsigned short val;
470 unsigned short mask, bitmask;
471
472 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
473 ;
474 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
475 return -EINVAL;
476 val = ucontrol->value.enumerated.item[0] << e->shift_l;
477 mask = (bitmask - 1) << e->shift_l;
478 if (e->shift_l != e->shift_r) {
479 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
480 return -EINVAL;
481 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
482 mask |= (bitmask - 1) << e->shift_r;
483 }
484 return snd_ac97_update_bits(ac97, e->reg, mask, val);
485 }
486
487 /* save/restore ac97 v2.3 paging */
488 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
489 {
490 int page_save = -1;
491 if ((kcontrol->private_value & (1<<25)) &&
492 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
493 (reg >= 0x60 && reg < 0x70)) {
494 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
495 mutex_lock(&ac97->page_mutex); /* lock paging */
496 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
497 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
498 }
499 return page_save;
500 }
501
502 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
503 {
504 if (page_save >= 0) {
505 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
506 mutex_unlock(&ac97->page_mutex); /* unlock paging */
507 }
508 }
509
510 /* volume and switch controls */
511 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
512 {
513 int mask = (kcontrol->private_value >> 16) & 0xff;
514 int shift = (kcontrol->private_value >> 8) & 0x0f;
515 int rshift = (kcontrol->private_value >> 12) & 0x0f;
516
517 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
518 uinfo->count = shift == rshift ? 1 : 2;
519 uinfo->value.integer.min = 0;
520 uinfo->value.integer.max = mask;
521 return 0;
522 }
523
524 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
525 {
526 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
527 int reg = kcontrol->private_value & 0xff;
528 int shift = (kcontrol->private_value >> 8) & 0x0f;
529 int rshift = (kcontrol->private_value >> 12) & 0x0f;
530 int mask = (kcontrol->private_value >> 16) & 0xff;
531 int invert = (kcontrol->private_value >> 24) & 0x01;
532 int page_save;
533
534 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
535 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
536 if (shift != rshift)
537 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
538 if (invert) {
539 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
540 if (shift != rshift)
541 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
542 }
543 snd_ac97_page_restore(ac97, page_save);
544 return 0;
545 }
546
547 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
548 {
549 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
550 int reg = kcontrol->private_value & 0xff;
551 int shift = (kcontrol->private_value >> 8) & 0x0f;
552 int rshift = (kcontrol->private_value >> 12) & 0x0f;
553 int mask = (kcontrol->private_value >> 16) & 0xff;
554 int invert = (kcontrol->private_value >> 24) & 0x01;
555 int err, page_save;
556 unsigned short val, val2, val_mask;
557
558 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
559 val = (ucontrol->value.integer.value[0] & mask);
560 if (invert)
561 val = mask - val;
562 val_mask = mask << shift;
563 val = val << shift;
564 if (shift != rshift) {
565 val2 = (ucontrol->value.integer.value[1] & mask);
566 if (invert)
567 val2 = mask - val2;
568 val_mask |= mask << rshift;
569 val |= val2 << rshift;
570 }
571 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
572 snd_ac97_page_restore(ac97, page_save);
573 #ifdef CONFIG_SND_AC97_POWER_SAVE
574 /* check analog mixer power-down */
575 if ((val_mask & 0x8000) &&
576 (kcontrol->private_value & (1<<30))) {
577 if (val & 0x8000)
578 ac97->power_up &= ~(1 << (reg>>1));
579 else
580 ac97->power_up |= 1 << (reg>>1);
581 update_power_regs(ac97);
582 }
583 #endif
584 return err;
585 }
586
587 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
588 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
589 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
590 };
591
592 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
593 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
594 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
595 };
596
597 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
598 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
599 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
600 };
601
602 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
603 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
604
605
606 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
607 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
608 static const char* std_mix[] = {"Mix", "Mic"};
609 static const char* std_mic[] = {"Mic1", "Mic2"};
610
611 static const struct ac97_enum std_enum[] = {
612 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
613 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
614 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
615 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
616 };
617
618 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
619 AC97_ENUM("Capture Source", std_enum[0]);
620
621 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
622 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
623
624 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
625 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
626 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
627 };
628
629 enum {
630 AC97_GENERAL_PCM_OUT = 0,
631 AC97_GENERAL_STEREO_ENHANCEMENT,
632 AC97_GENERAL_3D,
633 AC97_GENERAL_LOUDNESS,
634 AC97_GENERAL_MONO,
635 AC97_GENERAL_MIC,
636 AC97_GENERAL_LOOPBACK
637 };
638
639 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
640 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
641 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
642 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
643 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
644 AC97_ENUM("Mono Output Select", std_enum[2]),
645 AC97_ENUM("Mic Select", std_enum[3]),
646 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
647 };
648
649 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
650 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
651 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
652 };
653
654 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
655 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
656 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
657 };
658
659 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
660 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
661 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
662 };
663
664 static const struct snd_kcontrol_new snd_ac97_control_eapd =
665 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
666
667 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
668 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
669 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
670 };
671
672 /* change the existing EAPD control as inverted */
673 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
674 {
675 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
676 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
677 ac97->scaps |= AC97_SCAP_INV_EAPD;
678 }
679
680 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
681 {
682 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
683 uinfo->count = 1;
684 return 0;
685 }
686
687 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
688 {
689 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
690 IEC958_AES0_NONAUDIO |
691 IEC958_AES0_CON_EMPHASIS_5015 |
692 IEC958_AES0_CON_NOT_COPYRIGHT;
693 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
694 IEC958_AES1_CON_ORIGINAL;
695 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
696 return 0;
697 }
698
699 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
700 {
701 /* FIXME: AC'97 spec doesn't say which bits are used for what */
702 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
703 IEC958_AES0_NONAUDIO |
704 IEC958_AES0_PRO_FS |
705 IEC958_AES0_PRO_EMPHASIS_5015;
706 return 0;
707 }
708
709 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
710 {
711 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
712
713 mutex_lock(&ac97->reg_mutex);
714 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
715 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
716 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
717 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
718 mutex_unlock(&ac97->reg_mutex);
719 return 0;
720 }
721
722 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
723 {
724 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
725 unsigned int new = 0;
726 unsigned short val = 0;
727 int change;
728
729 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
730 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
731 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
732 switch (new & IEC958_AES0_PRO_FS) {
733 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
734 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
735 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
736 default: val |= 1<<12; break;
737 }
738 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
739 val |= 1<<3;
740 } else {
741 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
742 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
743 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
744 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
745 val |= 1<<3;
746 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
747 val |= 1<<2;
748 val |= ((new >> 8) & 0xff) << 4; // category + original
749 switch ((new >> 24) & 0xff) {
750 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
751 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
752 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
753 default: val |= 1<<12; break;
754 }
755 }
756
757 mutex_lock(&ac97->reg_mutex);
758 change = ac97->spdif_status != new;
759 ac97->spdif_status = new;
760
761 if (ac97->flags & AC97_CS_SPDIF) {
762 int x = (val >> 12) & 0x03;
763 switch (x) {
764 case 0: x = 1; break; // 44.1
765 case 2: x = 0; break; // 48.0
766 default: x = 0; break; // illegal.
767 }
768 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
769 } else if (ac97->flags & AC97_CX_SPDIF) {
770 int v;
771 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
772 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
773 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
774 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
775 v);
776 } else {
777 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
778 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
779
780 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
781 if (extst & AC97_EA_SPDIF) {
782 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
783 }
784 }
785 mutex_unlock(&ac97->reg_mutex);
786
787 return change;
788 }
789
790 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
791 {
792 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
793 int reg = kcontrol->private_value & 0xff;
794 int shift = (kcontrol->private_value >> 8) & 0xff;
795 int mask = (kcontrol->private_value >> 16) & 0xff;
796 // int invert = (kcontrol->private_value >> 24) & 0xff;
797 unsigned short value, old, new;
798 int change;
799
800 value = (ucontrol->value.integer.value[0] & mask);
801
802 mutex_lock(&ac97->reg_mutex);
803 mask <<= shift;
804 value <<= shift;
805 old = snd_ac97_read_cache(ac97, reg);
806 new = (old & ~mask) | value;
807 change = old != new;
808
809 if (change) {
810 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
811 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
812 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
813 if (extst & AC97_EA_SPDIF)
814 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
815 }
816 mutex_unlock(&ac97->reg_mutex);
817 return change;
818 }
819
820 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
821 {
822 .access = SNDRV_CTL_ELEM_ACCESS_READ,
823 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
824 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
825 .info = snd_ac97_spdif_mask_info,
826 .get = snd_ac97_spdif_cmask_get,
827 },
828 {
829 .access = SNDRV_CTL_ELEM_ACCESS_READ,
830 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
831 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
832 .info = snd_ac97_spdif_mask_info,
833 .get = snd_ac97_spdif_pmask_get,
834 },
835 {
836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
838 .info = snd_ac97_spdif_mask_info,
839 .get = snd_ac97_spdif_default_get,
840 .put = snd_ac97_spdif_default_put,
841 },
842
843 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
844 {
845 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
846 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
847 .info = snd_ac97_info_volsw,
848 .get = snd_ac97_get_volsw,
849 .put = snd_ac97_put_spsa,
850 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
851 },
852 };
853
854 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
855 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
856 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
857 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
858
859 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
860 {
861 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
862 int mask = (kcontrol->private_value >> 16) & 0x0f;
863 int lshift = (kcontrol->private_value >> 8) & 0x0f;
864 int rshift = (kcontrol->private_value >> 12) & 0x0f;
865
866 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
867 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
868 uinfo->count = 2;
869 else
870 uinfo->count = 1;
871 uinfo->value.integer.min = 0;
872 uinfo->value.integer.max = mask;
873 return 0;
874 }
875
876 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
877 {
878 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
879 int codec = kcontrol->private_value & 3;
880 int lshift = (kcontrol->private_value >> 8) & 0x0f;
881 int rshift = (kcontrol->private_value >> 12) & 0x0f;
882 int mask = (kcontrol->private_value >> 16) & 0xff;
883
884 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
885 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
886 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
887 return 0;
888 }
889
890 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
891 {
892 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
893 int codec = kcontrol->private_value & 3;
894 int lshift = (kcontrol->private_value >> 8) & 0x0f;
895 int rshift = (kcontrol->private_value >> 12) & 0x0f;
896 int mask = (kcontrol->private_value >> 16) & 0xff;
897 unsigned short val, valmask;
898
899 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
900 valmask = mask << lshift;
901 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
902 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
903 valmask |= mask << rshift;
904 }
905 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
906 }
907
908 #define AD18XX_PCM_VOLUME(xname, codec) \
909 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
910 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
911 .private_value = codec }
912
913 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
914 {
915 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
916 uinfo->count = 2;
917 uinfo->value.integer.min = 0;
918 uinfo->value.integer.max = 31;
919 return 0;
920 }
921
922 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
923 {
924 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
925 int codec = kcontrol->private_value & 3;
926
927 mutex_lock(&ac97->page_mutex);
928 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
929 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
930 mutex_unlock(&ac97->page_mutex);
931 return 0;
932 }
933
934 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
935 {
936 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
937 int codec = kcontrol->private_value & 3;
938 unsigned short val1, val2;
939
940 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
941 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
942 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
943 }
944
945 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
946 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
947 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
948 };
949
950 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
951 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
952 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
953 };
954
955 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
956 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
957 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
958 };
959
960 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
961 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
962 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
963 };
964
965 /*
966 *
967 */
968
969 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
970
971 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
972 {
973 if (bus) {
974 snd_ac97_bus_proc_done(bus);
975 kfree(bus->pcms);
976 if (bus->private_free)
977 bus->private_free(bus);
978 kfree(bus);
979 }
980 return 0;
981 }
982
983 static int snd_ac97_bus_dev_free(struct snd_device *device)
984 {
985 struct snd_ac97_bus *bus = device->device_data;
986 return snd_ac97_bus_free(bus);
987 }
988
989 static int snd_ac97_free(struct snd_ac97 *ac97)
990 {
991 if (ac97) {
992 #ifdef CONFIG_SND_AC97_POWER_SAVE
993 cancel_delayed_work(&ac97->power_work);
994 flush_scheduled_work();
995 #endif
996 snd_ac97_proc_done(ac97);
997 if (ac97->bus)
998 ac97->bus->codec[ac97->num] = NULL;
999 if (ac97->private_free)
1000 ac97->private_free(ac97);
1001 kfree(ac97);
1002 }
1003 return 0;
1004 }
1005
1006 static int snd_ac97_dev_free(struct snd_device *device)
1007 {
1008 struct snd_ac97 *ac97 = device->device_data;
1009 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1010 return snd_ac97_free(ac97);
1011 }
1012
1013 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1014 {
1015 unsigned short val, mask = 0x8000;
1016
1017 if (! snd_ac97_valid_reg(ac97, reg))
1018 return 0;
1019
1020 switch (reg) {
1021 case AC97_MASTER_TONE:
1022 return ac97->caps & 0x04 ? 1 : 0;
1023 case AC97_HEADPHONE:
1024 return ac97->caps & 0x10 ? 1 : 0;
1025 case AC97_REC_GAIN_MIC:
1026 return ac97->caps & 0x01 ? 1 : 0;
1027 case AC97_3D_CONTROL:
1028 if (ac97->caps & 0x7c00) {
1029 val = snd_ac97_read(ac97, reg);
1030 /* if nonzero - fixed and we can't set it */
1031 return val == 0;
1032 }
1033 return 0;
1034 case AC97_CENTER_LFE_MASTER: /* center */
1035 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1036 return 0;
1037 break;
1038 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1039 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1040 return 0;
1041 reg = AC97_CENTER_LFE_MASTER;
1042 mask = 0x0080;
1043 break;
1044 case AC97_SURROUND_MASTER:
1045 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1046 return 0;
1047 break;
1048 }
1049
1050 val = snd_ac97_read(ac97, reg);
1051 if (!(val & mask)) {
1052 /* nothing seems to be here - mute flag is not set */
1053 /* try another test */
1054 snd_ac97_write_cache(ac97, reg, val | mask);
1055 val = snd_ac97_read(ac97, reg);
1056 val = snd_ac97_read(ac97, reg);
1057 if (!(val & mask))
1058 return 0; /* nothing here */
1059 }
1060 return 1; /* success, useable */
1061 }
1062
1063 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1064 {
1065 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1066 unsigned char max[3] = { 63, 31, 15 };
1067 int i;
1068
1069 /* first look up the static resolution table */
1070 if (ac97->res_table) {
1071 const struct snd_ac97_res_table *tbl;
1072 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1073 if (tbl->reg == reg) {
1074 *lo_max = tbl->bits & 0xff;
1075 *hi_max = (tbl->bits >> 8) & 0xff;
1076 return;
1077 }
1078 }
1079 }
1080
1081 *lo_max = *hi_max = 0;
1082 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1083 unsigned short val;
1084 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1085 /* Do the read twice due to buffers on some ac97 codecs.
1086 * e.g. The STAC9704 returns exactly what you wrote the the register
1087 * if you read it immediately. This causes the detect routine to fail.
1088 */
1089 val = snd_ac97_read(ac97, reg);
1090 val = snd_ac97_read(ac97, reg);
1091 if (! *lo_max && (val & 0x7f) == cbit[i])
1092 *lo_max = max[i];
1093 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1094 *hi_max = max[i];
1095 if (*lo_max && *hi_max)
1096 break;
1097 }
1098 }
1099
1100 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1101 {
1102 unsigned short mask, val, orig, res;
1103
1104 mask = 1 << bit;
1105 orig = snd_ac97_read(ac97, reg);
1106 val = orig ^ mask;
1107 snd_ac97_write(ac97, reg, val);
1108 res = snd_ac97_read(ac97, reg);
1109 snd_ac97_write_cache(ac97, reg, orig);
1110 return res == val;
1111 }
1112
1113 /* check the volume resolution of center/lfe */
1114 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1115 {
1116 unsigned short val, val1;
1117
1118 *max = 63;
1119 val = 0x8080 | (0x20 << shift);
1120 snd_ac97_write(ac97, reg, val);
1121 val1 = snd_ac97_read(ac97, reg);
1122 if (val != val1) {
1123 *max = 31;
1124 }
1125 /* reset volume to zero */
1126 snd_ac97_write_cache(ac97, reg, 0x8080);
1127 }
1128
1129 static inline int printable(unsigned int x)
1130 {
1131 x &= 0xff;
1132 if (x < ' ' || x >= 0x71) {
1133 if (x <= 0x89)
1134 return x - 0x71 + 'A';
1135 return '?';
1136 }
1137 return x;
1138 }
1139
1140 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1141 {
1142 struct snd_kcontrol_new template;
1143 memcpy(&template, _template, sizeof(template));
1144 template.index = ac97->num;
1145 return snd_ctl_new1(&template, ac97);
1146 }
1147
1148 /*
1149 * create mute switch(es) for normal stereo controls
1150 */
1151 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1152 int check_stereo, int check_amix,
1153 struct snd_ac97 *ac97)
1154 {
1155 struct snd_kcontrol *kctl;
1156 int err;
1157 unsigned short val, val1, mute_mask;
1158
1159 if (! snd_ac97_valid_reg(ac97, reg))
1160 return 0;
1161
1162 mute_mask = 0x8000;
1163 val = snd_ac97_read(ac97, reg);
1164 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1165 /* check whether both mute bits work */
1166 val1 = val | 0x8080;
1167 snd_ac97_write(ac97, reg, val1);
1168 if (val1 == snd_ac97_read(ac97, reg))
1169 mute_mask = 0x8080;
1170 }
1171 if (mute_mask == 0x8080) {
1172 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1173 if (check_amix)
1174 tmp.private_value |= (1 << 30);
1175 tmp.index = ac97->num;
1176 kctl = snd_ctl_new1(&tmp, ac97);
1177 } else {
1178 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1179 if (check_amix)
1180 tmp.private_value |= (1 << 30);
1181 tmp.index = ac97->num;
1182 kctl = snd_ctl_new1(&tmp, ac97);
1183 }
1184 err = snd_ctl_add(card, kctl);
1185 if (err < 0)
1186 return err;
1187 /* mute as default */
1188 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1189 return 0;
1190 }
1191
1192 /*
1193 * set dB information
1194 */
1195 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1196 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1197 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1198 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1199 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1200
1201 static const unsigned int *find_db_scale(unsigned int maxval)
1202 {
1203 switch (maxval) {
1204 case 0x0f: return db_scale_4bit;
1205 case 0x1f: return db_scale_5bit;
1206 case 0x3f: return db_scale_6bit;
1207 }
1208 return NULL;
1209 }
1210
1211 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1212 {
1213 kctl->tlv.p = tlv;
1214 if (tlv)
1215 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1216 }
1217
1218 /*
1219 * create a volume for normal stereo/mono controls
1220 */
1221 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1222 unsigned int hi_max, struct snd_ac97 *ac97)
1223 {
1224 int err;
1225 struct snd_kcontrol *kctl;
1226
1227 if (! snd_ac97_valid_reg(ac97, reg))
1228 return 0;
1229 if (hi_max) {
1230 /* invert */
1231 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1232 tmp.index = ac97->num;
1233 kctl = snd_ctl_new1(&tmp, ac97);
1234 } else {
1235 /* invert */
1236 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1237 tmp.index = ac97->num;
1238 kctl = snd_ctl_new1(&tmp, ac97);
1239 }
1240 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1241 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1242 else
1243 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1244 err = snd_ctl_add(card, kctl);
1245 if (err < 0)
1246 return err;
1247 snd_ac97_write_cache(ac97, reg,
1248 (snd_ac97_read(ac97, reg) & 0x8080) |
1249 lo_max | (hi_max << 8));
1250 return 0;
1251 }
1252
1253 /*
1254 * create a mute-switch and a volume for normal stereo/mono controls
1255 */
1256 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1257 int reg, int check_stereo, int check_amix,
1258 struct snd_ac97 *ac97)
1259 {
1260 int err;
1261 char name[44];
1262 unsigned char lo_max, hi_max;
1263
1264 if (! snd_ac97_valid_reg(ac97, reg))
1265 return 0;
1266
1267 if (snd_ac97_try_bit(ac97, reg, 15)) {
1268 sprintf(name, "%s Switch", pfx);
1269 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1270 check_stereo, check_amix,
1271 ac97)) < 0)
1272 return err;
1273 }
1274 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1275 if (lo_max) {
1276 sprintf(name, "%s Volume", pfx);
1277 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1278 return err;
1279 }
1280 return 0;
1281 }
1282
1283 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1284 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1285 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1286 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1287
1288 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1289
1290 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1291 {
1292 struct snd_card *card = ac97->bus->card;
1293 struct snd_kcontrol *kctl;
1294 int err;
1295 unsigned int idx;
1296 unsigned char max;
1297
1298 /* build master controls */
1299 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1300 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1301 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1302 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1303 AC97_MASTER, 0, ac97);
1304 else
1305 err = snd_ac97_cmix_new(card, "Master Playback",
1306 AC97_MASTER, 0, ac97);
1307 if (err < 0)
1308 return err;
1309 }
1310
1311 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1312
1313 /* build center controls */
1314 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1315 && !(ac97->flags & AC97_AD_MULTI)) {
1316 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1317 return err;
1318 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1319 return err;
1320 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1321 kctl->private_value &= ~(0xff << 16);
1322 kctl->private_value |= (int)max << 16;
1323 set_tlv_db_scale(kctl, find_db_scale(max));
1324 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1325 }
1326
1327 /* build LFE controls */
1328 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1329 && !(ac97->flags & AC97_AD_MULTI)) {
1330 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1331 return err;
1332 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1333 return err;
1334 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1335 kctl->private_value &= ~(0xff << 16);
1336 kctl->private_value |= (int)max << 16;
1337 set_tlv_db_scale(kctl, find_db_scale(max));
1338 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1339 }
1340
1341 /* build surround controls */
1342 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1343 && !(ac97->flags & AC97_AD_MULTI)) {
1344 /* Surround Master (0x38) is with stereo mutes */
1345 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1346 AC97_SURROUND_MASTER, 1, 0,
1347 ac97)) < 0)
1348 return err;
1349 }
1350
1351 /* build headphone controls */
1352 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1353 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1354 AC97_HEADPHONE, 0, ac97)) < 0)
1355 return err;
1356 }
1357
1358 /* build master mono controls */
1359 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1360 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1361 AC97_MASTER_MONO, 0, ac97)) < 0)
1362 return err;
1363 }
1364
1365 /* build master tone controls */
1366 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1367 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1368 for (idx = 0; idx < 2; idx++) {
1369 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1370 return err;
1371 if (ac97->id == AC97_ID_YMF753) {
1372 kctl->private_value &= ~(0xff << 16);
1373 kctl->private_value |= 7 << 16;
1374 }
1375 }
1376 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1377 }
1378 }
1379
1380 /* build PC Speaker controls */
1381 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1382 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1383 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1384 for (idx = 0; idx < 2; idx++)
1385 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1386 return err;
1387 set_tlv_db_scale(kctl, db_scale_4bit);
1388 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1389 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1390 }
1391
1392 /* build Phone controls */
1393 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1394 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1395 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1396 AC97_PHONE, 1, ac97)) < 0)
1397 return err;
1398 }
1399 }
1400
1401 /* build MIC controls */
1402 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1403 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1404 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1405 AC97_MIC, 1, ac97)) < 0)
1406 return err;
1407 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1408 return err;
1409 }
1410 }
1411
1412 /* build Line controls */
1413 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1414 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1415 AC97_LINE, 1, ac97)) < 0)
1416 return err;
1417 }
1418
1419 /* build CD controls */
1420 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1421 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1422 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1423 AC97_CD, 1, ac97)) < 0)
1424 return err;
1425 }
1426 }
1427
1428 /* build Video controls */
1429 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1430 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1431 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1432 AC97_VIDEO, 1, ac97)) < 0)
1433 return err;
1434 }
1435 }
1436
1437 /* build Aux controls */
1438 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1439 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1440 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1441 AC97_AUX, 1, ac97)) < 0)
1442 return err;
1443 }
1444 }
1445
1446 /* build PCM controls */
1447 if (ac97->flags & AC97_AD_MULTI) {
1448 unsigned short init_val;
1449 if (ac97->flags & AC97_STEREO_MUTES)
1450 init_val = 0x9f9f;
1451 else
1452 init_val = 0x9f1f;
1453 for (idx = 0; idx < 2; idx++)
1454 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1455 return err;
1456 set_tlv_db_scale(kctl, db_scale_5bit);
1457 ac97->spec.ad18xx.pcmreg[0] = init_val;
1458 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1459 for (idx = 0; idx < 2; idx++)
1460 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1461 return err;
1462 set_tlv_db_scale(kctl, db_scale_5bit);
1463 ac97->spec.ad18xx.pcmreg[1] = init_val;
1464 }
1465 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1466 for (idx = 0; idx < 2; idx++)
1467 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1468 return err;
1469 set_tlv_db_scale(kctl, db_scale_5bit);
1470 for (idx = 0; idx < 2; idx++)
1471 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1472 return err;
1473 set_tlv_db_scale(kctl, db_scale_5bit);
1474 ac97->spec.ad18xx.pcmreg[2] = init_val;
1475 }
1476 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1477 } else {
1478 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1479 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1480 err = snd_ac97_cmute_new(card,
1481 "PCM Playback Switch",
1482 AC97_PCM, 0, ac97);
1483 else
1484 err = snd_ac97_cmix_new(card, "PCM Playback",
1485 AC97_PCM, 0, ac97);
1486 if (err < 0)
1487 return err;
1488 }
1489 }
1490
1491 /* build Capture controls */
1492 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1493 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1494 return err;
1495 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1496 err = snd_ac97_cmute_new(card, "Capture Switch",
1497 AC97_REC_GAIN, 0, ac97);
1498 if (err < 0)
1499 return err;
1500 }
1501 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1502 return err;
1503 set_tlv_db_scale(kctl, db_scale_rec_gain);
1504 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1505 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1506 }
1507 /* build MIC Capture controls */
1508 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1509 for (idx = 0; idx < 2; idx++)
1510 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1511 return err;
1512 set_tlv_db_scale(kctl, db_scale_rec_gain);
1513 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1514 }
1515
1516 /* build PCM out path & mute control */
1517 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1518 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1519 return err;
1520 }
1521
1522 /* build Simulated Stereo Enhancement control */
1523 if (ac97->caps & 0x0008) {
1524 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1525 return err;
1526 }
1527
1528 /* build 3D Stereo Enhancement control */
1529 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1530 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1531 return err;
1532 }
1533
1534 /* build Loudness control */
1535 if (ac97->caps & 0x0020) {
1536 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1537 return err;
1538 }
1539
1540 /* build Mono output select control */
1541 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1542 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1543 return err;
1544 }
1545
1546 /* build Mic select control */
1547 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1548 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1549 return err;
1550 }
1551
1552 /* build ADC/DAC loopback control */
1553 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1554 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1555 return err;
1556 }
1557
1558 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1559
1560 /* build 3D controls */
1561 if (ac97->build_ops->build_3d) {
1562 ac97->build_ops->build_3d(ac97);
1563 } else {
1564 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1565 unsigned short val;
1566 val = 0x0707;
1567 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1568 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1569 val = val == 0x0606;
1570 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1571 return err;
1572 if (val)
1573 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1574 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1575 return err;
1576 if (val)
1577 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1578 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1579 }
1580 }
1581
1582 /* build S/PDIF controls */
1583
1584 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1585 if (ac97->subsystem_vendor == 0x1043 &&
1586 ac97->subsystem_device == 0x810f)
1587 ac97->ext_id |= AC97_EI_SPDIF;
1588
1589 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1590 if (ac97->build_ops->build_spdif) {
1591 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1592 return err;
1593 } else {
1594 for (idx = 0; idx < 5; idx++)
1595 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1596 return err;
1597 if (ac97->build_ops->build_post_spdif) {
1598 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1599 return err;
1600 }
1601 /* set default PCM S/PDIF params */
1602 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1603 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1604 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1605 }
1606 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1607 }
1608
1609 /* build chip specific controls */
1610 if (ac97->build_ops->build_specific)
1611 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1612 return err;
1613
1614 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1615 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1616 if (! kctl)
1617 return -ENOMEM;
1618 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1619 set_inv_eapd(ac97, kctl);
1620 if ((err = snd_ctl_add(card, kctl)) < 0)
1621 return err;
1622 }
1623
1624 return 0;
1625 }
1626
1627 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1628 {
1629 int err, idx;
1630
1631 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1632 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1633 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1634 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1635 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1636 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1637
1638 /* build modem switches */
1639 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1640 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1641 return err;
1642
1643 /* build chip specific controls */
1644 if (ac97->build_ops->build_specific)
1645 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1646 return err;
1647
1648 return 0;
1649 }
1650
1651 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1652 {
1653 unsigned short val;
1654 unsigned int tmp;
1655
1656 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1657 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1658 if (shadow_reg)
1659 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1660 val = snd_ac97_read(ac97, reg);
1661 return val == (tmp & 0xffff);
1662 }
1663
1664 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1665 {
1666 unsigned int result = 0;
1667 unsigned short saved;
1668
1669 if (ac97->bus->no_vra) {
1670 *r_result = SNDRV_PCM_RATE_48000;
1671 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1672 reg == AC97_PCM_FRONT_DAC_RATE)
1673 *r_result |= SNDRV_PCM_RATE_96000;
1674 return;
1675 }
1676
1677 saved = snd_ac97_read(ac97, reg);
1678 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1679 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1680 AC97_EA_DRA, 0);
1681 /* test a non-standard rate */
1682 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1683 result |= SNDRV_PCM_RATE_CONTINUOUS;
1684 /* let's try to obtain standard rates */
1685 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1686 result |= SNDRV_PCM_RATE_8000;
1687 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1688 result |= SNDRV_PCM_RATE_11025;
1689 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1690 result |= SNDRV_PCM_RATE_16000;
1691 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1692 result |= SNDRV_PCM_RATE_22050;
1693 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1694 result |= SNDRV_PCM_RATE_32000;
1695 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1696 result |= SNDRV_PCM_RATE_44100;
1697 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1698 result |= SNDRV_PCM_RATE_48000;
1699 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1700 reg == AC97_PCM_FRONT_DAC_RATE) {
1701 /* test standard double rates */
1702 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1703 AC97_EA_DRA, AC97_EA_DRA);
1704 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1705 result |= SNDRV_PCM_RATE_64000;
1706 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1707 result |= SNDRV_PCM_RATE_88200;
1708 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1709 result |= SNDRV_PCM_RATE_96000;
1710 /* some codecs don't support variable double rates */
1711 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1712 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1713 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1714 AC97_EA_DRA, 0);
1715 }
1716 /* restore the default value */
1717 snd_ac97_write_cache(ac97, reg, saved);
1718 if (shadow_reg)
1719 snd_ac97_write_cache(ac97, shadow_reg, saved);
1720 *r_result = result;
1721 }
1722
1723 /* check AC97_SPDIF register to accept which sample rates */
1724 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1725 {
1726 unsigned int result = 0;
1727 int i;
1728 static unsigned short ctl_bits[] = {
1729 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1730 };
1731 static unsigned int rate_bits[] = {
1732 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1733 };
1734
1735 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1736 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1737 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1738 result |= rate_bits[i];
1739 }
1740 return result;
1741 }
1742
1743 /* look for the codec id table matching with the given id */
1744 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1745 unsigned int id)
1746 {
1747 const struct ac97_codec_id *pid;
1748
1749 for (pid = table; pid->id; pid++)
1750 if (pid->id == (id & pid->mask))
1751 return pid;
1752 return NULL;
1753 }
1754
1755 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1756 {
1757 const struct ac97_codec_id *pid;
1758
1759 sprintf(name, "0x%x %c%c%c", id,
1760 printable(id >> 24),
1761 printable(id >> 16),
1762 printable(id >> 8));
1763 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1764 if (! pid)
1765 return;
1766
1767 strcpy(name, pid->name);
1768 if (ac97 && pid->patch) {
1769 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1770 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1771 pid->patch(ac97);
1772 }
1773
1774 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1775 if (pid) {
1776 strcat(name, " ");
1777 strcat(name, pid->name);
1778 if (pid->mask != 0xffffffff)
1779 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1780 if (ac97 && pid->patch) {
1781 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1782 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1783 pid->patch(ac97);
1784 }
1785 } else
1786 sprintf(name + strlen(name), " id %x", id & 0xff);
1787 }
1788
1789 /**
1790 * snd_ac97_get_short_name - retrieve codec name
1791 * @ac97: the codec instance
1792 *
1793 * Returns the short identifying name of the codec.
1794 */
1795 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1796 {
1797 const struct ac97_codec_id *pid;
1798
1799 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1800 if (pid->id == (ac97->id & pid->mask))
1801 return pid->name;
1802 return "unknown codec";
1803 }
1804
1805 EXPORT_SYMBOL(snd_ac97_get_short_name);
1806
1807 /* wait for a while until registers are accessible after RESET
1808 * return 0 if ok, negative not ready
1809 */
1810 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1811 {
1812 unsigned long end_time;
1813 unsigned short val;
1814
1815 end_time = jiffies + timeout;
1816 do {
1817
1818 /* use preliminary reads to settle the communication */
1819 snd_ac97_read(ac97, AC97_RESET);
1820 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1821 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1822 /* modem? */
1823 if (with_modem) {
1824 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1825 if (val != 0xffff && (val & 1) != 0)
1826 return 0;
1827 }
1828 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1829 /* probably only Xbox issue - all registers are read as zero */
1830 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1831 if (val != 0 && val != 0xffff)
1832 return 0;
1833 } else {
1834 /* because the PCM or MASTER volume registers can be modified,
1835 * the REC_GAIN register is used for tests
1836 */
1837 /* test if we can write to the record gain volume register */
1838 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1839 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1840 return 0;
1841 }
1842 schedule_timeout_uninterruptible(1);
1843 } while (time_after_eq(end_time, jiffies));
1844 return -ENODEV;
1845 }
1846
1847 /**
1848 * snd_ac97_bus - create an AC97 bus component
1849 * @card: the card instance
1850 * @num: the bus number
1851 * @ops: the bus callbacks table
1852 * @private_data: private data pointer for the new instance
1853 * @rbus: the pointer to store the new AC97 bus instance.
1854 *
1855 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1856 * allocated and initialized.
1857 *
1858 * The ops table must include valid callbacks (at least read and
1859 * write). The other callbacks, wait and reset, are not mandatory.
1860 *
1861 * The clock is set to 48000. If another clock is needed, set
1862 * (*rbus)->clock manually.
1863 *
1864 * The AC97 bus instance is registered as a low-level device, so you don't
1865 * have to release it manually.
1866 *
1867 * Returns zero if successful, or a negative error code on failure.
1868 */
1869 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1870 void *private_data, struct snd_ac97_bus **rbus)
1871 {
1872 int err;
1873 struct snd_ac97_bus *bus;
1874 static struct snd_device_ops dev_ops = {
1875 .dev_free = snd_ac97_bus_dev_free,
1876 };
1877
1878 snd_assert(card != NULL, return -EINVAL);
1879 snd_assert(rbus != NULL, return -EINVAL);
1880 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1881 if (bus == NULL)
1882 return -ENOMEM;
1883 bus->card = card;
1884 bus->num = num;
1885 bus->ops = ops;
1886 bus->private_data = private_data;
1887 bus->clock = 48000;
1888 spin_lock_init(&bus->bus_lock);
1889 snd_ac97_bus_proc_init(bus);
1890 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1891 snd_ac97_bus_free(bus);
1892 return err;
1893 }
1894 *rbus = bus;
1895 return 0;
1896 }
1897
1898 EXPORT_SYMBOL(snd_ac97_bus);
1899
1900 /* stop no dev release warning */
1901 static void ac97_device_release(struct device * dev)
1902 {
1903 }
1904
1905 /* register ac97 codec to bus */
1906 static int snd_ac97_dev_register(struct snd_device *device)
1907 {
1908 struct snd_ac97 *ac97 = device->device_data;
1909 int err;
1910
1911 ac97->dev.bus = &ac97_bus_type;
1912 ac97->dev.parent = ac97->bus->card->dev;
1913 ac97->dev.release = ac97_device_release;
1914 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1915 ac97->bus->card->number, ac97->num,
1916 snd_ac97_get_short_name(ac97));
1917 if ((err = device_register(&ac97->dev)) < 0) {
1918 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1919 ac97->dev.bus = NULL;
1920 return err;
1921 }
1922 return 0;
1923 }
1924
1925 /* disconnect ac97 codec */
1926 static int snd_ac97_dev_disconnect(struct snd_device *device)
1927 {
1928 struct snd_ac97 *ac97 = device->device_data;
1929 if (ac97->dev.bus)
1930 device_unregister(&ac97->dev);
1931 return 0;
1932 }
1933
1934 /* build_ops to do nothing */
1935 static struct snd_ac97_build_ops null_build_ops;
1936
1937 #ifdef CONFIG_SND_AC97_POWER_SAVE
1938 static void do_update_power(struct work_struct *work)
1939 {
1940 update_power_regs(
1941 container_of(work, struct snd_ac97, power_work.work));
1942 }
1943 #endif
1944
1945 /**
1946 * snd_ac97_mixer - create an Codec97 component
1947 * @bus: the AC97 bus which codec is attached to
1948 * @template: the template of ac97, including index, callbacks and
1949 * the private data.
1950 * @rac97: the pointer to store the new ac97 instance.
1951 *
1952 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1953 * allocated and initialized from the template. The codec
1954 * is then initialized by the standard procedure.
1955 *
1956 * The template must include the codec number (num) and address (addr),
1957 * and the private data (private_data).
1958 *
1959 * The ac97 instance is registered as a low-level device, so you don't
1960 * have to release it manually.
1961 *
1962 * Returns zero if successful, or a negative error code on failure.
1963 */
1964 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1965 {
1966 int err;
1967 struct snd_ac97 *ac97;
1968 struct snd_card *card;
1969 char name[64];
1970 unsigned long end_time;
1971 unsigned int reg;
1972 const struct ac97_codec_id *pid;
1973 static struct snd_device_ops ops = {
1974 .dev_free = snd_ac97_dev_free,
1975 .dev_register = snd_ac97_dev_register,
1976 .dev_disconnect = snd_ac97_dev_disconnect,
1977 };
1978
1979 snd_assert(rac97 != NULL, return -EINVAL);
1980 *rac97 = NULL;
1981 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1982 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1983
1984 card = bus->card;
1985 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1986 if (ac97 == NULL)
1987 return -ENOMEM;
1988 ac97->private_data = template->private_data;
1989 ac97->private_free = template->private_free;
1990 ac97->bus = bus;
1991 ac97->pci = template->pci;
1992 ac97->num = template->num;
1993 ac97->addr = template->addr;
1994 ac97->scaps = template->scaps;
1995 ac97->res_table = template->res_table;
1996 bus->codec[ac97->num] = ac97;
1997 mutex_init(&ac97->reg_mutex);
1998 mutex_init(&ac97->page_mutex);
1999 #ifdef CONFIG_SND_AC97_POWER_SAVE
2000 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
2001 #endif
2002
2003 #ifdef CONFIG_PCI
2004 if (ac97->pci) {
2005 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2006 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2007 }
2008 #endif
2009 if (bus->ops->reset) {
2010 bus->ops->reset(ac97);
2011 goto __access_ok;
2012 }
2013
2014 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2015 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2016 if (ac97->id && ac97->id != (unsigned int)-1) {
2017 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2018 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2019 goto __access_ok;
2020 }
2021
2022 /* reset to defaults */
2023 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2024 snd_ac97_write(ac97, AC97_RESET, 0);
2025 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2026 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2027 if (bus->ops->wait)
2028 bus->ops->wait(ac97);
2029 else {
2030 udelay(50);
2031 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2032 err = ac97_reset_wait(ac97, HZ/2, 1);
2033 else {
2034 err = ac97_reset_wait(ac97, HZ/2, 0);
2035 if (err < 0)
2036 err = ac97_reset_wait(ac97, HZ/2, 1);
2037 }
2038 if (err < 0) {
2039 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
2040 /* proceed anyway - it's often non-critical */
2041 }
2042 }
2043 __access_ok:
2044 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2045 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2046 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2047 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2048 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
2049 snd_ac97_free(ac97);
2050 return -EIO;
2051 }
2052 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2053 if (pid)
2054 ac97->flags |= pid->flags;
2055
2056 /* test for AC'97 */
2057 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2058 /* test if we can write to the record gain volume register */
2059 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2060 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2061 ac97->scaps |= AC97_SCAP_AUDIO;
2062 }
2063 if (ac97->scaps & AC97_SCAP_AUDIO) {
2064 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2065 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2066 if (ac97->ext_id == 0xffff) /* invalid combination */
2067 ac97->ext_id = 0;
2068 }
2069
2070 /* test for MC'97 */
2071 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2072 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2073 if (ac97->ext_mid == 0xffff) /* invalid combination */
2074 ac97->ext_mid = 0;
2075 if (ac97->ext_mid & 1)
2076 ac97->scaps |= AC97_SCAP_MODEM;
2077 }
2078
2079 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2080 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2081 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2082 snd_ac97_free(ac97);
2083 return -EACCES;
2084 }
2085
2086 if (bus->ops->reset) // FIXME: always skipping?
2087 goto __ready_ok;
2088
2089 /* FIXME: add powerdown control */
2090 if (ac97_is_audio(ac97)) {
2091 /* nothing should be in powerdown mode */
2092 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2093 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2094 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2095 udelay(100);
2096 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2097 }
2098 /* nothing should be in powerdown mode */
2099 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2100 end_time = jiffies + (HZ / 10);
2101 do {
2102 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2103 goto __ready_ok;
2104 schedule_timeout_uninterruptible(1);
2105 } while (time_after_eq(end_time, jiffies));
2106 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2107 }
2108
2109 /* FIXME: add powerdown control */
2110 if (ac97_is_modem(ac97)) {
2111 unsigned char tmp;
2112
2113 /* nothing should be in powerdown mode */
2114 /* note: it's important to set the rate at first */
2115 tmp = AC97_MEA_GPIO;
2116 if (ac97->ext_mid & AC97_MEI_LINE1) {
2117 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2118 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2119 }
2120 if (ac97->ext_mid & AC97_MEI_LINE2) {
2121 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2122 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2123 }
2124 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2125 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2126 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2127 }
2128 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2129 udelay(100);
2130 /* nothing should be in powerdown mode */
2131 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2132 end_time = jiffies + (HZ / 10);
2133 do {
2134 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2135 goto __ready_ok;
2136 schedule_timeout_uninterruptible(1);
2137 } while (time_after_eq(end_time, jiffies));
2138 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2139 }
2140
2141 __ready_ok:
2142 if (ac97_is_audio(ac97))
2143 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2144 else
2145 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2146 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2147 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2148 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2149 if (! bus->no_vra)
2150 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2151 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2152 }
2153 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2154 /* Intel controllers require double rate data to be put in
2155 * slots 7+8, so let's hope the codec supports it. */
2156 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2157 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2158 ac97->flags |= AC97_DOUBLE_RATE;
2159 /* restore to slots 10/11 to avoid the confliction with surrounds */
2160 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2161 }
2162 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2163 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2164 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2165 } else {
2166 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2167 if (ac97->flags & AC97_DOUBLE_RATE)
2168 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2169 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2170 }
2171 if (ac97->ext_id & AC97_EI_SPDIF) {
2172 /* codec specific code (patch) should override these values */
2173 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2174 }
2175 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2176 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2177 } else {
2178 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2179 }
2180 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2181 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2182 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2183 }
2184 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2185 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2186 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2187 }
2188 /* additional initializations */
2189 if (bus->ops->init)
2190 bus->ops->init(ac97);
2191 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2192 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2193 if (! ac97->build_ops)
2194 ac97->build_ops = &null_build_ops;
2195
2196 if (ac97_is_audio(ac97)) {
2197 char comp[16];
2198 if (card->mixername[0] == '\0') {
2199 strcpy(card->mixername, name);
2200 } else {
2201 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2202 strcat(card->mixername, ",");
2203 strcat(card->mixername, name);
2204 }
2205 }
2206 sprintf(comp, "AC97a:%08x", ac97->id);
2207 if ((err = snd_component_add(card, comp)) < 0) {
2208 snd_ac97_free(ac97);
2209 return err;
2210 }
2211 if (snd_ac97_mixer_build(ac97) < 0) {
2212 snd_ac97_free(ac97);
2213 return -ENOMEM;
2214 }
2215 }
2216 if (ac97_is_modem(ac97)) {
2217 char comp[16];
2218 if (card->mixername[0] == '\0') {
2219 strcpy(card->mixername, name);
2220 } else {
2221 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2222 strcat(card->mixername, ",");
2223 strcat(card->mixername, name);
2224 }
2225 }
2226 sprintf(comp, "AC97m:%08x", ac97->id);
2227 if ((err = snd_component_add(card, comp)) < 0) {
2228 snd_ac97_free(ac97);
2229 return err;
2230 }
2231 if (snd_ac97_modem_build(card, ac97) < 0) {
2232 snd_ac97_free(ac97);
2233 return -ENOMEM;
2234 }
2235 }
2236 if (ac97_is_audio(ac97))
2237 update_power_regs(ac97);
2238 snd_ac97_proc_init(ac97);
2239 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2240 snd_ac97_free(ac97);
2241 return err;
2242 }
2243 *rac97 = ac97;
2244 return 0;
2245 }
2246
2247 EXPORT_SYMBOL(snd_ac97_mixer);
2248
2249 /*
2250 * Power down the chip.
2251 *
2252 * MASTER and HEADPHONE registers are muted but the register cache values
2253 * are not changed, so that the values can be restored in snd_ac97_resume().
2254 */
2255 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2256 {
2257 unsigned short power;
2258
2259 if (ac97_is_audio(ac97)) {
2260 /* some codecs have stereo mute bits */
2261 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2262 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2263 }
2264
2265 /* surround, CLFE, mic powerdown */
2266 power = ac97->regs[AC97_EXTENDED_STATUS];
2267 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2268 power |= AC97_EA_PRJ;
2269 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2270 power |= AC97_EA_PRI | AC97_EA_PRK;
2271 power |= AC97_EA_PRL;
2272 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2273
2274 /* powerdown external amplifier */
2275 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2276 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2277 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2278 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2279 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2280 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
2281 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2282 udelay(100);
2283 power |= AC97_PD_PR2 | AC97_PD_PR3; /* Analog Mixer powerdown */
2284 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2285 if (ac97_is_power_save_mode(ac97)) {
2286 udelay(100);
2287 /* AC-link powerdown, internal Clk disable */
2288 /* FIXME: this may cause click noises on some boards */
2289 power |= AC97_PD_PR4 | AC97_PD_PR5;
2290 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2291 }
2292 }
2293
2294
2295 struct ac97_power_reg {
2296 unsigned short reg;
2297 unsigned short power_reg;
2298 unsigned short mask;
2299 };
2300
2301 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2302
2303 static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2304 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2305 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2306 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2307 AC97_EA_PRI | AC97_EA_PRK},
2308 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2309 AC97_EA_PRJ},
2310 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2311 AC97_EA_PRL},
2312 };
2313
2314 #ifdef CONFIG_SND_AC97_POWER_SAVE
2315 /**
2316 * snd_ac97_update_power - update the powerdown register
2317 * @ac97: the codec instance
2318 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2319 * @powerup: non-zero when power up the part
2320 *
2321 * Update the AC97 powerdown register bits of the given part.
2322 */
2323 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2324 {
2325 int i;
2326
2327 if (! ac97)
2328 return 0;
2329
2330 if (reg) {
2331 /* SPDIF requires DAC power, too */
2332 if (reg == AC97_SPDIF)
2333 reg = AC97_PCM_FRONT_DAC_RATE;
2334 for (i = 0; i < PWIDX_SIZE; i++) {
2335 if (power_regs[i].reg == reg) {
2336 if (powerup)
2337 ac97->power_up |= (1 << i);
2338 else
2339 ac97->power_up &= ~(1 << i);
2340 break;
2341 }
2342 }
2343 }
2344
2345 if (ac97_is_power_save_mode(ac97) && !powerup)
2346 /* adjust power-down bits after two seconds delay
2347 * (for avoiding loud click noises for many (OSS) apps
2348 * that open/close frequently)
2349 */
2350 schedule_delayed_work(&ac97->power_work, HZ*2);
2351 else {
2352 cancel_delayed_work(&ac97->power_work);
2353 update_power_regs(ac97);
2354 }
2355
2356 return 0;
2357 }
2358
2359 EXPORT_SYMBOL(snd_ac97_update_power);
2360 #endif /* CONFIG_SND_AC97_POWER_SAVE */
2361
2362 static void update_power_regs(struct snd_ac97 *ac97)
2363 {
2364 unsigned int power_up, bits;
2365 int i;
2366
2367 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2368 power_up |= (1 << PWIDX_MIC);
2369 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2370 power_up |= (1 << PWIDX_SURR);
2371 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2372 power_up |= (1 << PWIDX_CLFE);
2373 #ifdef CONFIG_SND_AC97_POWER_SAVE
2374 if (ac97_is_power_save_mode(ac97))
2375 power_up = ac97->power_up;
2376 #endif
2377 if (power_up) {
2378 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2379 /* needs power-up analog mix and vref */
2380 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2381 AC97_PD_PR3, 0);
2382 msleep(1);
2383 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2384 AC97_PD_PR2, 0);
2385 }
2386 }
2387 for (i = 0; i < PWIDX_SIZE; i++) {
2388 if (power_up & (1 << i))
2389 bits = 0;
2390 else
2391 bits = power_regs[i].mask;
2392 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2393 power_regs[i].mask, bits);
2394 }
2395 if (! power_up) {
2396 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2397 /* power down analog mix and vref */
2398 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2399 AC97_PD_PR2, AC97_PD_PR2);
2400 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2401 AC97_PD_PR3, AC97_PD_PR3);
2402 }
2403 }
2404 }
2405
2406
2407 #ifdef CONFIG_PM
2408 /**
2409 * snd_ac97_suspend - General suspend function for AC97 codec
2410 * @ac97: the ac97 instance
2411 *
2412 * Suspends the codec, power down the chip.
2413 */
2414 void snd_ac97_suspend(struct snd_ac97 *ac97)
2415 {
2416 if (! ac97)
2417 return;
2418 if (ac97->build_ops->suspend)
2419 ac97->build_ops->suspend(ac97);
2420 #ifdef CONFIG_SND_AC97_POWER_SAVE
2421 cancel_delayed_work(&ac97->power_work);
2422 flush_scheduled_work();
2423 #endif
2424 snd_ac97_powerdown(ac97);
2425 }
2426
2427 EXPORT_SYMBOL(snd_ac97_suspend);
2428
2429 /*
2430 * restore ac97 status
2431 */
2432 void snd_ac97_restore_status(struct snd_ac97 *ac97)
2433 {
2434 int i;
2435
2436 for (i = 2; i < 0x7c ; i += 2) {
2437 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2438 continue;
2439 /* restore only accessible registers
2440 * some chip (e.g. nm256) may hang up when unsupported registers
2441 * are accessed..!
2442 */
2443 if (test_bit(i, ac97->reg_accessed)) {
2444 snd_ac97_write(ac97, i, ac97->regs[i]);
2445 snd_ac97_read(ac97, i);
2446 }
2447 }
2448 }
2449
2450 /*
2451 * restore IEC958 status
2452 */
2453 void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2454 {
2455 if (ac97->ext_id & AC97_EI_SPDIF) {
2456 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2457 /* reset spdif status */
2458 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2459 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2460 if (ac97->flags & AC97_CS_SPDIF)
2461 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2462 else
2463 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2464 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2465 }
2466 }
2467 }
2468
2469 /**
2470 * snd_ac97_resume - General resume function for AC97 codec
2471 * @ac97: the ac97 instance
2472 *
2473 * Do the standard resume procedure, power up and restoring the
2474 * old register values.
2475 */
2476 void snd_ac97_resume(struct snd_ac97 *ac97)
2477 {
2478 unsigned long end_time;
2479
2480 if (! ac97)
2481 return;
2482
2483 if (ac97->bus->ops->reset) {
2484 ac97->bus->ops->reset(ac97);
2485 goto __reset_ready;
2486 }
2487
2488 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2489 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2490 snd_ac97_write(ac97, AC97_RESET, 0);
2491 udelay(100);
2492 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2493 }
2494 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2495
2496 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2497 if (ac97_is_audio(ac97)) {
2498 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2499 end_time = jiffies + msecs_to_jiffies(100);
2500 do {
2501 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2502 break;
2503 schedule_timeout_uninterruptible(1);
2504 } while (time_after_eq(end_time, jiffies));
2505 /* FIXME: extra delay */
2506 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2507 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2508 msleep(250);
2509 } else {
2510 end_time = jiffies + msecs_to_jiffies(100);
2511 do {
2512 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2513 if (val != 0xffff && (val & 1) != 0)
2514 break;
2515 schedule_timeout_uninterruptible(1);
2516 } while (time_after_eq(end_time, jiffies));
2517 }
2518 __reset_ready:
2519
2520 if (ac97->bus->ops->init)
2521 ac97->bus->ops->init(ac97);
2522
2523 if (ac97->build_ops->resume)
2524 ac97->build_ops->resume(ac97);
2525 else {
2526 snd_ac97_restore_status(ac97);
2527 snd_ac97_restore_iec958(ac97);
2528 }
2529 }
2530
2531 EXPORT_SYMBOL(snd_ac97_resume);
2532 #endif
2533
2534
2535 /*
2536 * Hardware tuning
2537 */
2538 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2539 {
2540 if (suffix)
2541 sprintf(dst, "%s %s", src, suffix);
2542 else
2543 strcpy(dst, src);
2544 }
2545
2546 /* remove the control with the given name and optional suffix */
2547 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
2548 {
2549 struct snd_ctl_elem_id id;
2550 memset(&id, 0, sizeof(id));
2551 set_ctl_name(id.name, name, suffix);
2552 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2553 return snd_ctl_remove_id(ac97->bus->card, &id);
2554 }
2555
2556 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2557 {
2558 struct snd_ctl_elem_id sid;
2559 memset(&sid, 0, sizeof(sid));
2560 set_ctl_name(sid.name, name, suffix);
2561 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2562 return snd_ctl_find_id(ac97->bus->card, &sid);
2563 }
2564
2565 /* rename the control with the given name and optional suffix */
2566 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
2567 {
2568 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2569 if (kctl) {
2570 set_ctl_name(kctl->id.name, dst, suffix);
2571 return 0;
2572 }
2573 return -ENOENT;
2574 }
2575
2576 /* rename both Volume and Switch controls - don't check the return value */
2577 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
2578 {
2579 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2580 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2581 }
2582
2583 /* swap controls */
2584 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
2585 {
2586 struct snd_kcontrol *kctl1, *kctl2;
2587 kctl1 = ctl_find(ac97, s1, suffix);
2588 kctl2 = ctl_find(ac97, s2, suffix);
2589 if (kctl1 && kctl2) {
2590 set_ctl_name(kctl1->id.name, s2, suffix);
2591 set_ctl_name(kctl2->id.name, s1, suffix);
2592 return 0;
2593 }
2594 return -ENOENT;
2595 }
2596
2597 #if 1
2598 /* bind hp and master controls instead of using only hp control */
2599 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2600 {
2601 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2602 if (err > 0) {
2603 unsigned long priv_saved = kcontrol->private_value;
2604 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2605 snd_ac97_put_volsw(kcontrol, ucontrol);
2606 kcontrol->private_value = priv_saved;
2607 }
2608 return err;
2609 }
2610
2611 /* ac97 tune: bind Master and Headphone controls */
2612 static int tune_hp_only(struct snd_ac97 *ac97)
2613 {
2614 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2615 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2616 if (! msw || ! mvol)
2617 return -ENOENT;
2618 msw->put = bind_hp_volsw_put;
2619 mvol->put = bind_hp_volsw_put;
2620 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2621 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2622 return 0;
2623 }
2624
2625 #else
2626 /* ac97 tune: use Headphone control as master */
2627 static int tune_hp_only(struct snd_ac97 *ac97)
2628 {
2629 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2630 return -ENOENT;
2631 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2632 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2633 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2634 return 0;
2635 }
2636 #endif
2637
2638 /* ac97 tune: swap Headphone and Master controls */
2639 static int tune_swap_hp(struct snd_ac97 *ac97)
2640 {
2641 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2642 return -ENOENT;
2643 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2644 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2645 return 0;
2646 }
2647
2648 /* ac97 tune: swap Surround and Master controls */
2649 static int tune_swap_surround(struct snd_ac97 *ac97)
2650 {
2651 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2652 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2653 return -ENOENT;
2654 return 0;
2655 }
2656
2657 /* ac97 tune: set up mic sharing for AD codecs */
2658 static int tune_ad_sharing(struct snd_ac97 *ac97)
2659 {
2660 unsigned short scfg;
2661 if ((ac97->id & 0xffffff00) != 0x41445300) {
2662 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2663 return -EINVAL;
2664 }
2665 /* Turn on OMS bit to route microphone to back panel */
2666 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2667 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2668 return 0;
2669 }
2670
2671 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2672 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2673
2674 /* ac97 tune: set up ALC jack-select */
2675 static int tune_alc_jack(struct snd_ac97 *ac97)
2676 {
2677 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2678 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2679 return -EINVAL;
2680 }
2681 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2682 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2683 if (ac97->id == AC97_ID_ALC658D)
2684 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2685 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2686 }
2687
2688 /* ac97 tune: inversed EAPD bit */
2689 static int tune_inv_eapd(struct snd_ac97 *ac97)
2690 {
2691 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2692 if (! kctl)
2693 return -ENOENT;
2694 set_inv_eapd(ac97, kctl);
2695 return 0;
2696 }
2697
2698 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2699 {
2700 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2701 if (err > 0) {
2702 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2703 int shift = (kcontrol->private_value >> 8) & 0x0f;
2704 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2705 unsigned short mask;
2706 if (shift != rshift)
2707 mask = 0x8080;
2708 else
2709 mask = 0x8000;
2710 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2711 (ac97->regs[AC97_MASTER] & mask) == mask ?
2712 0x8000 : 0);
2713 }
2714 return err;
2715 }
2716
2717 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2718 static int tune_mute_led(struct snd_ac97 *ac97)
2719 {
2720 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2721 if (! msw)
2722 return -ENOENT;
2723 msw->put = master_mute_sw_put;
2724 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2725 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2726 ac97->scaps |= AC97_SCAP_EAPD_LED;
2727 return 0;
2728 }
2729
2730 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2731 struct snd_ctl_elem_value *ucontrol)
2732 {
2733 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2734 if (err > 0) {
2735 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2736 int shift = (kcontrol->private_value >> 8) & 0x0f;
2737 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2738 unsigned short mask;
2739 if (shift != rshift)
2740 mask = 0x8080;
2741 else
2742 mask = 0x8000;
2743 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2744 (ac97->regs[AC97_MASTER] & mask) == mask ?
2745 0x8000 : 0);
2746 }
2747 return err;
2748 }
2749
2750 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2751 {
2752 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2753 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2754 if (! msw || ! mvol)
2755 return -ENOENT;
2756 msw->put = hp_master_mute_sw_put;
2757 mvol->put = bind_hp_volsw_put;
2758 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2759 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2760 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2761 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2762 return 0;
2763 }
2764
2765 struct quirk_table {
2766 const char *name;
2767 int (*func)(struct snd_ac97 *);
2768 };
2769
2770 static struct quirk_table applicable_quirks[] = {
2771 { "none", NULL },
2772 { "hp_only", tune_hp_only },
2773 { "swap_hp", tune_swap_hp },
2774 { "swap_surround", tune_swap_surround },
2775 { "ad_sharing", tune_ad_sharing },
2776 { "alc_jack", tune_alc_jack },
2777 { "inv_eapd", tune_inv_eapd },
2778 { "mute_led", tune_mute_led },
2779 { "hp_mute_led", tune_hp_mute_led },
2780 };
2781
2782 /* apply the quirk with the given type */
2783 static int apply_quirk(struct snd_ac97 *ac97, int type)
2784 {
2785 if (type <= 0)
2786 return 0;
2787 else if (type >= ARRAY_SIZE(applicable_quirks))
2788 return -EINVAL;
2789 if (applicable_quirks[type].func)
2790 return applicable_quirks[type].func(ac97);
2791 return 0;
2792 }
2793
2794 /* apply the quirk with the given name */
2795 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2796 {
2797 int i;
2798 struct quirk_table *q;
2799
2800 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2801 q = &applicable_quirks[i];
2802 if (q->name && ! strcmp(typestr, q->name))
2803 return apply_quirk(ac97, i);
2804 }
2805 /* for compatibility, accept the numbers, too */
2806 if (*typestr >= '0' && *typestr <= '9')
2807 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2808 return -EINVAL;
2809 }
2810
2811 /**
2812 * snd_ac97_tune_hardware - tune up the hardware
2813 * @ac97: the ac97 instance
2814 * @quirk: quirk list
2815 * @override: explicit quirk value (overrides the list if non-NULL)
2816 *
2817 * Do some workaround for each pci device, such as renaming of the
2818 * headphone (true line-out) control as "Master".
2819 * The quirk-list must be terminated with a zero-filled entry.
2820 *
2821 * Returns zero if successful, or a negative error code on failure.
2822 */
2823
2824 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2825 {
2826 int result;
2827
2828 /* quirk overriden? */
2829 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2830 result = apply_quirk_str(ac97, override);
2831 if (result < 0)
2832 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2833 return result;
2834 }
2835
2836 if (! quirk)
2837 return -EINVAL;
2838
2839 for (; quirk->subvendor; quirk++) {
2840 if (quirk->subvendor != ac97->subsystem_vendor)
2841 continue;
2842 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2843 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2844 if (quirk->codec_id && quirk->codec_id != ac97->id)
2845 continue;
2846 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2847 result = apply_quirk(ac97, quirk->type);
2848 if (result < 0)
2849 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2850 return result;
2851 }
2852 }
2853 return 0;
2854 }
2855
2856 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2857
2858 /*
2859 * INIT part
2860 */
2861
2862 static int __init alsa_ac97_init(void)
2863 {
2864 return 0;
2865 }
2866
2867 static void __exit alsa_ac97_exit(void)
2868 {
2869 }
2870
2871 module_init(alsa_ac97_init)
2872 module_exit(alsa_ac97_exit)
WRT350N Kernel Patches