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[ALSA] ac97 - Suppress power-saving mode on non-supporting drivers
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / sound / pci / ac97 / ac97_codec.c
blob9da4977c0a0c2f08ff8d22da5f49f31ca5927bdc
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_ad1985, 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 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
147 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
148 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
149 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
150 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
151 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
152 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
153 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
154 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
155 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
156 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
157 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
158 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
159 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
160 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
161 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
162 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
163 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
164 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
165 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
166 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
167 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
168 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
169 { 0x56494182, 0xffffffff, "VIA1618", NULL, NULL },
170 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
171 { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
172 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
173 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
174 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
175 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
176 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
177 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
178 { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
179 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
180 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
181 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
182 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
183 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
184 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
185 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
186 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
187 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
188 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
189 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
190 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
191 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
192 { 0, 0, NULL, NULL, NULL }
193 };
194
195
196 static void update_power_regs(struct snd_ac97 *ac97);
197 #ifdef CONFIG_SND_AC97_POWER_SAVE
198 #define ac97_is_power_save_mode(ac97) \
199 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
200 #else
201 #define ac97_is_power_save_mode(ac97) 0
202 #endif
203
204
205 /*
206 * I/O routines
207 */
208
209 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
210 {
211 /* filter some registers for buggy codecs */
212 switch (ac97->id) {
213 case AC97_ID_AK4540:
214 case AC97_ID_AK4542:
215 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
216 return 1;
217 return 0;
218 case AC97_ID_AD1819: /* AD1819 */
219 case AC97_ID_AD1881: /* AD1881 */
220 case AC97_ID_AD1881A: /* AD1881A */
221 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
222 return 0;
223 return 1;
224 case AC97_ID_AD1885: /* AD1885 */
225 case AC97_ID_AD1886: /* AD1886 */
226 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
227 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
228 if (reg == 0x5a)
229 return 1;
230 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
231 return 0;
232 return 1;
233 case AC97_ID_STAC9700:
234 case AC97_ID_STAC9704:
235 case AC97_ID_STAC9705:
236 case AC97_ID_STAC9708:
237 case AC97_ID_STAC9721:
238 case AC97_ID_STAC9744:
239 case AC97_ID_STAC9756:
240 if (reg <= 0x3a || reg >= 0x5a)
241 return 1;
242 return 0;
243 }
244 return 1;
245 }
246
247 /**
248 * snd_ac97_write - write a value on the given register
249 * @ac97: the ac97 instance
250 * @reg: the register to change
251 * @value: the value to set
252 *
253 * Writes a value on the given register. This will invoke the write
254 * callback directly after the register check.
255 * This function doesn't change the register cache unlike
256 * #snd_ca97_write_cache(), so use this only when you don't want to
257 * reflect the change to the suspend/resume state.
258 */
259 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
260 {
261 if (!snd_ac97_valid_reg(ac97, reg))
262 return;
263 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
264 /* Fix H/W bug of ALC100/100P */
265 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
266 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
267 }
268 ac97->bus->ops->write(ac97, reg, value);
269 }
270
271 EXPORT_SYMBOL(snd_ac97_write);
272
273 /**
274 * snd_ac97_read - read a value from the given register
275 *
276 * @ac97: the ac97 instance
277 * @reg: the register to read
278 *
279 * Reads a value from the given register. This will invoke the read
280 * callback directly after the register check.
281 *
282 * Returns the read value.
283 */
284 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
285 {
286 if (!snd_ac97_valid_reg(ac97, reg))
287 return 0;
288 return ac97->bus->ops->read(ac97, reg);
289 }
290
291 /* read a register - return the cached value if already read */
292 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
293 {
294 if (! test_bit(reg, ac97->reg_accessed)) {
295 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
296 // set_bit(reg, ac97->reg_accessed);
297 }
298 return ac97->regs[reg];
299 }
300
301 EXPORT_SYMBOL(snd_ac97_read);
302
303 /**
304 * snd_ac97_write_cache - write a value on the given register and update the cache
305 * @ac97: the ac97 instance
306 * @reg: the register to change
307 * @value: the value to set
308 *
309 * Writes a value on the given register and updates the register
310 * cache. The cached values are used for the cached-read and the
311 * suspend/resume.
312 */
313 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
314 {
315 if (!snd_ac97_valid_reg(ac97, reg))
316 return;
317 mutex_lock(&ac97->reg_mutex);
318 ac97->regs[reg] = value;
319 ac97->bus->ops->write(ac97, reg, value);
320 set_bit(reg, ac97->reg_accessed);
321 mutex_unlock(&ac97->reg_mutex);
322 }
323
324 EXPORT_SYMBOL(snd_ac97_write_cache);
325
326 /**
327 * snd_ac97_update - update the value on the given register
328 * @ac97: the ac97 instance
329 * @reg: the register to change
330 * @value: the value to set
331 *
332 * Compares the value with the register cache and updates the value
333 * only when the value is changed.
334 *
335 * Returns 1 if the value is changed, 0 if no change, or a negative
336 * code on failure.
337 */
338 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
339 {
340 int change;
341
342 if (!snd_ac97_valid_reg(ac97, reg))
343 return -EINVAL;
344 mutex_lock(&ac97->reg_mutex);
345 change = ac97->regs[reg] != value;
346 if (change) {
347 ac97->regs[reg] = value;
348 ac97->bus->ops->write(ac97, reg, value);
349 }
350 set_bit(reg, ac97->reg_accessed);
351 mutex_unlock(&ac97->reg_mutex);
352 return change;
353 }
354
355 EXPORT_SYMBOL(snd_ac97_update);
356
357 /**
358 * snd_ac97_update_bits - update the bits on the given register
359 * @ac97: the ac97 instance
360 * @reg: the register to change
361 * @mask: the bit-mask to change
362 * @value: the value to set
363 *
364 * Updates the masked-bits on the given register only when the value
365 * is changed.
366 *
367 * Returns 1 if the bits are changed, 0 if no change, or a negative
368 * code on failure.
369 */
370 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
371 {
372 int change;
373
374 if (!snd_ac97_valid_reg(ac97, reg))
375 return -EINVAL;
376 mutex_lock(&ac97->reg_mutex);
377 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
378 mutex_unlock(&ac97->reg_mutex);
379 return change;
380 }
381
382 EXPORT_SYMBOL(snd_ac97_update_bits);
383
384 /* no lock version - see snd_ac97_updat_bits() */
385 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
386 unsigned short mask, unsigned short value)
387 {
388 int change;
389 unsigned short old, new;
390
391 old = snd_ac97_read_cache(ac97, reg);
392 new = (old & ~mask) | (value & mask);
393 change = old != new;
394 if (change) {
395 ac97->regs[reg] = new;
396 ac97->bus->ops->write(ac97, reg, new);
397 }
398 set_bit(reg, ac97->reg_accessed);
399 return change;
400 }
401
402 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
403 {
404 int change;
405 unsigned short old, new, cfg;
406
407 mutex_lock(&ac97->page_mutex);
408 old = ac97->spec.ad18xx.pcmreg[codec];
409 new = (old & ~mask) | (value & mask);
410 change = old != new;
411 if (change) {
412 mutex_lock(&ac97->reg_mutex);
413 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
414 ac97->spec.ad18xx.pcmreg[codec] = new;
415 /* select single codec */
416 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
417 (cfg & ~0x7000) |
418 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
419 /* update PCM bits */
420 ac97->bus->ops->write(ac97, AC97_PCM, new);
421 /* select all codecs */
422 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
423 cfg | 0x7000);
424 mutex_unlock(&ac97->reg_mutex);
425 }
426 mutex_unlock(&ac97->page_mutex);
427 return change;
428 }
429
430 /*
431 * Controls
432 */
433
434 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
435 {
436 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
437
438 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
439 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
440 uinfo->value.enumerated.items = e->mask;
441
442 if (uinfo->value.enumerated.item > e->mask - 1)
443 uinfo->value.enumerated.item = e->mask - 1;
444 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
445 return 0;
446 }
447
448 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
449 {
450 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
451 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
452 unsigned short val, bitmask;
453
454 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
455 ;
456 val = snd_ac97_read_cache(ac97, e->reg);
457 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
458 if (e->shift_l != e->shift_r)
459 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
460
461 return 0;
462 }
463
464 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
465 {
466 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
467 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
468 unsigned short val;
469 unsigned short mask, bitmask;
470
471 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
472 ;
473 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
474 return -EINVAL;
475 val = ucontrol->value.enumerated.item[0] << e->shift_l;
476 mask = (bitmask - 1) << e->shift_l;
477 if (e->shift_l != e->shift_r) {
478 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
479 return -EINVAL;
480 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
481 mask |= (bitmask - 1) << e->shift_r;
482 }
483 return snd_ac97_update_bits(ac97, e->reg, mask, val);
484 }
485
486 /* save/restore ac97 v2.3 paging */
487 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
488 {
489 int page_save = -1;
490 if ((kcontrol->private_value & (1<<25)) &&
491 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
492 (reg >= 0x60 && reg < 0x70)) {
493 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
494 mutex_lock(&ac97->page_mutex); /* lock paging */
495 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
496 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
497 }
498 return page_save;
499 }
500
501 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
502 {
503 if (page_save >= 0) {
504 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
505 mutex_unlock(&ac97->page_mutex); /* unlock paging */
506 }
507 }
508
509 /* volume and switch controls */
510 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
511 {
512 int mask = (kcontrol->private_value >> 16) & 0xff;
513 int shift = (kcontrol->private_value >> 8) & 0x0f;
514 int rshift = (kcontrol->private_value >> 12) & 0x0f;
515
516 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
517 uinfo->count = shift == rshift ? 1 : 2;
518 uinfo->value.integer.min = 0;
519 uinfo->value.integer.max = mask;
520 return 0;
521 }
522
523 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
524 {
525 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
526 int reg = kcontrol->private_value & 0xff;
527 int shift = (kcontrol->private_value >> 8) & 0x0f;
528 int rshift = (kcontrol->private_value >> 12) & 0x0f;
529 int mask = (kcontrol->private_value >> 16) & 0xff;
530 int invert = (kcontrol->private_value >> 24) & 0x01;
531 int page_save;
532
533 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
534 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
535 if (shift != rshift)
536 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
537 if (invert) {
538 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
539 if (shift != rshift)
540 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
541 }
542 snd_ac97_page_restore(ac97, page_save);
543 return 0;
544 }
545
546 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
547 {
548 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
549 int reg = kcontrol->private_value & 0xff;
550 int shift = (kcontrol->private_value >> 8) & 0x0f;
551 int rshift = (kcontrol->private_value >> 12) & 0x0f;
552 int mask = (kcontrol->private_value >> 16) & 0xff;
553 int invert = (kcontrol->private_value >> 24) & 0x01;
554 int err, page_save;
555 unsigned short val, val2, val_mask;
556
557 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
558 val = (ucontrol->value.integer.value[0] & mask);
559 if (invert)
560 val = mask - val;
561 val_mask = mask << shift;
562 val = val << shift;
563 if (shift != rshift) {
564 val2 = (ucontrol->value.integer.value[1] & mask);
565 if (invert)
566 val2 = mask - val2;
567 val_mask |= mask << rshift;
568 val |= val2 << rshift;
569 }
570 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
571 snd_ac97_page_restore(ac97, page_save);
572 #ifdef CONFIG_SND_AC97_POWER_SAVE
573 /* check analog mixer power-down */
574 if ((val_mask & 0x8000) &&
575 (kcontrol->private_value & (1<<30))) {
576 if (val & 0x8000)
577 ac97->power_up &= ~(1 << (reg>>1));
578 else
579 ac97->power_up |= 1 << (reg>>1);
580 update_power_regs(ac97);
581 }
582 #endif
583 return err;
584 }
585
586 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
587 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
588 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
589 };
590
591 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
592 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
593 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
594 };
595
596 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
597 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
598 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
599 };
600
601 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
602 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
603
604
605 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
606 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
607 static const char* std_mix[] = {"Mix", "Mic"};
608 static const char* std_mic[] = {"Mic1", "Mic2"};
609
610 static const struct ac97_enum std_enum[] = {
611 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
612 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
613 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
614 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
615 };
616
617 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
618 AC97_ENUM("Capture Source", std_enum[0]);
619
620 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
621 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
622
623 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
624 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
625 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
626 };
627
628 enum {
629 AC97_GENERAL_PCM_OUT = 0,
630 AC97_GENERAL_STEREO_ENHANCEMENT,
631 AC97_GENERAL_3D,
632 AC97_GENERAL_LOUDNESS,
633 AC97_GENERAL_MONO,
634 AC97_GENERAL_MIC,
635 AC97_GENERAL_LOOPBACK
636 };
637
638 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
639 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
640 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
641 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
642 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
643 AC97_ENUM("Mono Output Select", std_enum[2]),
644 AC97_ENUM("Mic Select", std_enum[3]),
645 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
646 };
647
648 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
649 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
650 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
651 };
652
653 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
654 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
655 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
656 };
657
658 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
659 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
660 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
661 };
662
663 static const struct snd_kcontrol_new snd_ac97_control_eapd =
664 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
665
666 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
667 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
668 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
669 };
670
671 /* change the existing EAPD control as inverted */
672 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
673 {
674 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
675 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
676 ac97->scaps |= AC97_SCAP_INV_EAPD;
677 }
678
679 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
680 {
681 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
682 uinfo->count = 1;
683 return 0;
684 }
685
686 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
687 {
688 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
689 IEC958_AES0_NONAUDIO |
690 IEC958_AES0_CON_EMPHASIS_5015 |
691 IEC958_AES0_CON_NOT_COPYRIGHT;
692 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
693 IEC958_AES1_CON_ORIGINAL;
694 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
695 return 0;
696 }
697
698 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
699 {
700 /* FIXME: AC'97 spec doesn't say which bits are used for what */
701 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
702 IEC958_AES0_NONAUDIO |
703 IEC958_AES0_PRO_FS |
704 IEC958_AES0_PRO_EMPHASIS_5015;
705 return 0;
706 }
707
708 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
709 {
710 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
711
712 mutex_lock(&ac97->reg_mutex);
713 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
714 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
715 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
716 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
717 mutex_unlock(&ac97->reg_mutex);
718 return 0;
719 }
720
721 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
722 {
723 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
724 unsigned int new = 0;
725 unsigned short val = 0;
726 int change;
727
728 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
729 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
730 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
731 switch (new & IEC958_AES0_PRO_FS) {
732 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
733 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
734 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
735 default: val |= 1<<12; break;
736 }
737 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
738 val |= 1<<3;
739 } else {
740 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
741 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
742 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
743 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
744 val |= 1<<3;
745 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
746 val |= 1<<2;
747 val |= ((new >> 8) & 0xff) << 4; // category + original
748 switch ((new >> 24) & 0xff) {
749 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
750 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
751 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
752 default: val |= 1<<12; break;
753 }
754 }
755
756 mutex_lock(&ac97->reg_mutex);
757 change = ac97->spdif_status != new;
758 ac97->spdif_status = new;
759
760 if (ac97->flags & AC97_CS_SPDIF) {
761 int x = (val >> 12) & 0x03;
762 switch (x) {
763 case 0: x = 1; break; // 44.1
764 case 2: x = 0; break; // 48.0
765 default: x = 0; break; // illegal.
766 }
767 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
768 } else if (ac97->flags & AC97_CX_SPDIF) {
769 int v;
770 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
771 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
772 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
773 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
774 v);
775 } else {
776 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
777 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
778
779 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
780 if (extst & AC97_EA_SPDIF) {
781 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
782 }
783 }
784 mutex_unlock(&ac97->reg_mutex);
785
786 return change;
787 }
788
789 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
790 {
791 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
792 int reg = kcontrol->private_value & 0xff;
793 int shift = (kcontrol->private_value >> 8) & 0xff;
794 int mask = (kcontrol->private_value >> 16) & 0xff;
795 // int invert = (kcontrol->private_value >> 24) & 0xff;
796 unsigned short value, old, new;
797 int change;
798
799 value = (ucontrol->value.integer.value[0] & mask);
800
801 mutex_lock(&ac97->reg_mutex);
802 mask <<= shift;
803 value <<= shift;
804 old = snd_ac97_read_cache(ac97, reg);
805 new = (old & ~mask) | value;
806 change = old != new;
807
808 if (change) {
809 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
810 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
811 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
812 if (extst & AC97_EA_SPDIF)
813 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
814 }
815 mutex_unlock(&ac97->reg_mutex);
816 return change;
817 }
818
819 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
820 {
821 .access = SNDRV_CTL_ELEM_ACCESS_READ,
822 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
823 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
824 .info = snd_ac97_spdif_mask_info,
825 .get = snd_ac97_spdif_cmask_get,
826 },
827 {
828 .access = SNDRV_CTL_ELEM_ACCESS_READ,
829 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
830 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
831 .info = snd_ac97_spdif_mask_info,
832 .get = snd_ac97_spdif_pmask_get,
833 },
834 {
835 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
836 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
837 .info = snd_ac97_spdif_mask_info,
838 .get = snd_ac97_spdif_default_get,
839 .put = snd_ac97_spdif_default_put,
840 },
841
842 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
843 {
844 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
845 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
846 .info = snd_ac97_info_volsw,
847 .get = snd_ac97_get_volsw,
848 .put = snd_ac97_put_spsa,
849 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
850 },
851 };
852
853 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
854 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
855 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
856 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
857
858 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
859 {
860 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
861 int mask = (kcontrol->private_value >> 16) & 0x0f;
862 int lshift = (kcontrol->private_value >> 8) & 0x0f;
863 int rshift = (kcontrol->private_value >> 12) & 0x0f;
864
865 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
866 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
867 uinfo->count = 2;
868 else
869 uinfo->count = 1;
870 uinfo->value.integer.min = 0;
871 uinfo->value.integer.max = mask;
872 return 0;
873 }
874
875 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
876 {
877 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
878 int codec = kcontrol->private_value & 3;
879 int lshift = (kcontrol->private_value >> 8) & 0x0f;
880 int rshift = (kcontrol->private_value >> 12) & 0x0f;
881 int mask = (kcontrol->private_value >> 16) & 0xff;
882
883 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
884 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
885 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
886 return 0;
887 }
888
889 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
890 {
891 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
892 int codec = kcontrol->private_value & 3;
893 int lshift = (kcontrol->private_value >> 8) & 0x0f;
894 int rshift = (kcontrol->private_value >> 12) & 0x0f;
895 int mask = (kcontrol->private_value >> 16) & 0xff;
896 unsigned short val, valmask;
897
898 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
899 valmask = mask << lshift;
900 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
901 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
902 valmask |= mask << rshift;
903 }
904 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
905 }
906
907 #define AD18XX_PCM_VOLUME(xname, codec) \
908 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
909 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
910 .private_value = codec }
911
912 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
913 {
914 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
915 uinfo->count = 2;
916 uinfo->value.integer.min = 0;
917 uinfo->value.integer.max = 31;
918 return 0;
919 }
920
921 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
922 {
923 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
924 int codec = kcontrol->private_value & 3;
925
926 mutex_lock(&ac97->page_mutex);
927 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
928 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
929 mutex_unlock(&ac97->page_mutex);
930 return 0;
931 }
932
933 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
934 {
935 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
936 int codec = kcontrol->private_value & 3;
937 unsigned short val1, val2;
938
939 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
940 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
941 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
942 }
943
944 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
945 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
946 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
947 };
948
949 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
950 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
951 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
952 };
953
954 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
955 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
956 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
957 };
958
959 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
960 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
961 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
962 };
963
964 /*
965 *
966 */
967
968 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
969
970 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
971 {
972 if (bus) {
973 snd_ac97_bus_proc_done(bus);
974 kfree(bus->pcms);
975 if (bus->private_free)
976 bus->private_free(bus);
977 kfree(bus);
978 }
979 return 0;
980 }
981
982 static int snd_ac97_bus_dev_free(struct snd_device *device)
983 {
984 struct snd_ac97_bus *bus = device->device_data;
985 return snd_ac97_bus_free(bus);
986 }
987
988 static int snd_ac97_free(struct snd_ac97 *ac97)
989 {
990 if (ac97) {
991 #ifdef CONFIG_SND_AC97_POWER_SAVE
992 cancel_delayed_work(&ac97->power_work);
993 #endif
994 snd_ac97_proc_done(ac97);
995 if (ac97->bus)
996 ac97->bus->codec[ac97->num] = NULL;
997 if (ac97->private_free)
998 ac97->private_free(ac97);
999 kfree(ac97);
1000 }
1001 return 0;
1002 }
1003
1004 static int snd_ac97_dev_free(struct snd_device *device)
1005 {
1006 struct snd_ac97 *ac97 = device->device_data;
1007 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1008 return snd_ac97_free(ac97);
1009 }
1010
1011 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1012 {
1013 unsigned short val, mask = 0x8000;
1014
1015 if (! snd_ac97_valid_reg(ac97, reg))
1016 return 0;
1017
1018 switch (reg) {
1019 case AC97_MASTER_TONE:
1020 return ac97->caps & 0x04 ? 1 : 0;
1021 case AC97_HEADPHONE:
1022 return ac97->caps & 0x10 ? 1 : 0;
1023 case AC97_REC_GAIN_MIC:
1024 return ac97->caps & 0x01 ? 1 : 0;
1025 case AC97_3D_CONTROL:
1026 if (ac97->caps & 0x7c00) {
1027 val = snd_ac97_read(ac97, reg);
1028 /* if nonzero - fixed and we can't set it */
1029 return val == 0;
1030 }
1031 return 0;
1032 case AC97_CENTER_LFE_MASTER: /* center */
1033 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1034 return 0;
1035 break;
1036 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1037 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1038 return 0;
1039 reg = AC97_CENTER_LFE_MASTER;
1040 mask = 0x0080;
1041 break;
1042 case AC97_SURROUND_MASTER:
1043 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1044 return 0;
1045 break;
1046 }
1047
1048 val = snd_ac97_read(ac97, reg);
1049 if (!(val & mask)) {
1050 /* nothing seems to be here - mute flag is not set */
1051 /* try another test */
1052 snd_ac97_write_cache(ac97, reg, val | mask);
1053 val = snd_ac97_read(ac97, reg);
1054 val = snd_ac97_read(ac97, reg);
1055 if (!(val & mask))
1056 return 0; /* nothing here */
1057 }
1058 return 1; /* success, useable */
1059 }
1060
1061 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1062 {
1063 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1064 unsigned char max[3] = { 63, 31, 15 };
1065 int i;
1066
1067 /* first look up the static resolution table */
1068 if (ac97->res_table) {
1069 const struct snd_ac97_res_table *tbl;
1070 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1071 if (tbl->reg == reg) {
1072 *lo_max = tbl->bits & 0xff;
1073 *hi_max = (tbl->bits >> 8) & 0xff;
1074 return;
1075 }
1076 }
1077 }
1078
1079 *lo_max = *hi_max = 0;
1080 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1081 unsigned short val;
1082 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1083 /* Do the read twice due to buffers on some ac97 codecs.
1084 * e.g. The STAC9704 returns exactly what you wrote the the register
1085 * if you read it immediately. This causes the detect routine to fail.
1086 */
1087 val = snd_ac97_read(ac97, reg);
1088 val = snd_ac97_read(ac97, reg);
1089 if (! *lo_max && (val & 0x7f) == cbit[i])
1090 *lo_max = max[i];
1091 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1092 *hi_max = max[i];
1093 if (*lo_max && *hi_max)
1094 break;
1095 }
1096 }
1097
1098 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1099 {
1100 unsigned short mask, val, orig, res;
1101
1102 mask = 1 << bit;
1103 orig = snd_ac97_read(ac97, reg);
1104 val = orig ^ mask;
1105 snd_ac97_write(ac97, reg, val);
1106 res = snd_ac97_read(ac97, reg);
1107 snd_ac97_write_cache(ac97, reg, orig);
1108 return res == val;
1109 }
1110
1111 /* check the volume resolution of center/lfe */
1112 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1113 {
1114 unsigned short val, val1;
1115
1116 *max = 63;
1117 val = 0x8080 | (0x20 << shift);
1118 snd_ac97_write(ac97, reg, val);
1119 val1 = snd_ac97_read(ac97, reg);
1120 if (val != val1) {
1121 *max = 31;
1122 }
1123 /* reset volume to zero */
1124 snd_ac97_write_cache(ac97, reg, 0x8080);
1125 }
1126
1127 static inline int printable(unsigned int x)
1128 {
1129 x &= 0xff;
1130 if (x < ' ' || x >= 0x71) {
1131 if (x <= 0x89)
1132 return x - 0x71 + 'A';
1133 return '?';
1134 }
1135 return x;
1136 }
1137
1138 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1139 {
1140 struct snd_kcontrol_new template;
1141 memcpy(&template, _template, sizeof(template));
1142 template.index = ac97->num;
1143 return snd_ctl_new1(&template, ac97);
1144 }
1145
1146 /*
1147 * create mute switch(es) for normal stereo controls
1148 */
1149 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1150 int check_stereo, int check_amix,
1151 struct snd_ac97 *ac97)
1152 {
1153 struct snd_kcontrol *kctl;
1154 int err;
1155 unsigned short val, val1, mute_mask;
1156
1157 if (! snd_ac97_valid_reg(ac97, reg))
1158 return 0;
1159
1160 mute_mask = 0x8000;
1161 val = snd_ac97_read(ac97, reg);
1162 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1163 /* check whether both mute bits work */
1164 val1 = val | 0x8080;
1165 snd_ac97_write(ac97, reg, val1);
1166 if (val1 == snd_ac97_read(ac97, reg))
1167 mute_mask = 0x8080;
1168 }
1169 if (mute_mask == 0x8080) {
1170 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1171 if (check_amix)
1172 tmp.private_value |= (1 << 30);
1173 tmp.index = ac97->num;
1174 kctl = snd_ctl_new1(&tmp, ac97);
1175 } else {
1176 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1177 if (check_amix)
1178 tmp.private_value |= (1 << 30);
1179 tmp.index = ac97->num;
1180 kctl = snd_ctl_new1(&tmp, ac97);
1181 }
1182 err = snd_ctl_add(card, kctl);
1183 if (err < 0)
1184 return err;
1185 /* mute as default */
1186 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1187 return 0;
1188 }
1189
1190 /*
1191 * set dB information
1192 */
1193 static DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1194 static DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1195 static DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1196 static DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1197 static DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1198
1199 static unsigned int *find_db_scale(unsigned int maxval)
1200 {
1201 switch (maxval) {
1202 case 0x0f: return db_scale_4bit;
1203 case 0x1f: return db_scale_5bit;
1204 case 0x3f: return db_scale_6bit;
1205 }
1206 return NULL;
1207 }
1208
1209 static void set_tlv_db_scale(struct snd_kcontrol *kctl, unsigned int *tlv)
1210 {
1211 kctl->tlv.p = tlv;
1212 if (tlv)
1213 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1214 }
1215
1216 /*
1217 * create a volume for normal stereo/mono controls
1218 */
1219 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1220 unsigned int hi_max, struct snd_ac97 *ac97)
1221 {
1222 int err;
1223 struct snd_kcontrol *kctl;
1224
1225 if (! snd_ac97_valid_reg(ac97, reg))
1226 return 0;
1227 if (hi_max) {
1228 /* invert */
1229 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1230 tmp.index = ac97->num;
1231 kctl = snd_ctl_new1(&tmp, ac97);
1232 } else {
1233 /* invert */
1234 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1235 tmp.index = ac97->num;
1236 kctl = snd_ctl_new1(&tmp, ac97);
1237 }
1238 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1239 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1240 else
1241 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1242 err = snd_ctl_add(card, kctl);
1243 if (err < 0)
1244 return err;
1245 snd_ac97_write_cache(ac97, reg,
1246 (snd_ac97_read(ac97, reg) & 0x8080) |
1247 lo_max | (hi_max << 8));
1248 return 0;
1249 }
1250
1251 /*
1252 * create a mute-switch and a volume for normal stereo/mono controls
1253 */
1254 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1255 int reg, int check_stereo, int check_amix,
1256 struct snd_ac97 *ac97)
1257 {
1258 int err;
1259 char name[44];
1260 unsigned char lo_max, hi_max;
1261
1262 if (! snd_ac97_valid_reg(ac97, reg))
1263 return 0;
1264
1265 if (snd_ac97_try_bit(ac97, reg, 15)) {
1266 sprintf(name, "%s Switch", pfx);
1267 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1268 check_stereo, check_amix,
1269 ac97)) < 0)
1270 return err;
1271 }
1272 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1273 if (lo_max) {
1274 sprintf(name, "%s Volume", pfx);
1275 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1276 return err;
1277 }
1278 return 0;
1279 }
1280
1281 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1282 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1283 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1284 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1285
1286 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1287
1288 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1289 {
1290 struct snd_card *card = ac97->bus->card;
1291 struct snd_kcontrol *kctl;
1292 int err;
1293 unsigned int idx;
1294 unsigned char max;
1295
1296 /* build master controls */
1297 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1298 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1299 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1300 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1301 AC97_MASTER, 0, ac97);
1302 else
1303 err = snd_ac97_cmix_new(card, "Master Playback",
1304 AC97_MASTER, 0, ac97);
1305 if (err < 0)
1306 return err;
1307 }
1308
1309 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1310
1311 /* build center controls */
1312 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1313 && !(ac97->flags & AC97_AD_MULTI)) {
1314 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1315 return err;
1316 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1317 return err;
1318 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1319 kctl->private_value &= ~(0xff << 16);
1320 kctl->private_value |= (int)max << 16;
1321 set_tlv_db_scale(kctl, find_db_scale(max));
1322 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1323 }
1324
1325 /* build LFE controls */
1326 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1327 && !(ac97->flags & AC97_AD_MULTI)) {
1328 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1329 return err;
1330 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1331 return err;
1332 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1333 kctl->private_value &= ~(0xff << 16);
1334 kctl->private_value |= (int)max << 16;
1335 set_tlv_db_scale(kctl, find_db_scale(max));
1336 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1337 }
1338
1339 /* build surround controls */
1340 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1341 && !(ac97->flags & AC97_AD_MULTI)) {
1342 /* Surround Master (0x38) is with stereo mutes */
1343 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1344 AC97_SURROUND_MASTER, 1, 0,
1345 ac97)) < 0)
1346 return err;
1347 }
1348
1349 /* build headphone controls */
1350 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1351 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1352 AC97_HEADPHONE, 0, ac97)) < 0)
1353 return err;
1354 }
1355
1356 /* build master mono controls */
1357 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1358 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1359 AC97_MASTER_MONO, 0, ac97)) < 0)
1360 return err;
1361 }
1362
1363 /* build master tone controls */
1364 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1365 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1366 for (idx = 0; idx < 2; idx++) {
1367 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1368 return err;
1369 if (ac97->id == AC97_ID_YMF753) {
1370 kctl->private_value &= ~(0xff << 16);
1371 kctl->private_value |= 7 << 16;
1372 }
1373 }
1374 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1375 }
1376 }
1377
1378 /* build PC Speaker controls */
1379 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1380 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1381 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1382 for (idx = 0; idx < 2; idx++)
1383 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1384 return err;
1385 set_tlv_db_scale(kctl, db_scale_4bit);
1386 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1387 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1388 }
1389
1390 /* build Phone controls */
1391 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1392 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1393 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1394 AC97_PHONE, 1, ac97)) < 0)
1395 return err;
1396 }
1397 }
1398
1399 /* build MIC controls */
1400 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1401 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1402 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1403 AC97_MIC, 1, ac97)) < 0)
1404 return err;
1405 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1406 return err;
1407 }
1408 }
1409
1410 /* build Line controls */
1411 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1412 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1413 AC97_LINE, 1, ac97)) < 0)
1414 return err;
1415 }
1416
1417 /* build CD controls */
1418 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1419 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1420 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1421 AC97_CD, 1, ac97)) < 0)
1422 return err;
1423 }
1424 }
1425
1426 /* build Video controls */
1427 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1428 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1429 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1430 AC97_VIDEO, 1, ac97)) < 0)
1431 return err;
1432 }
1433 }
1434
1435 /* build Aux controls */
1436 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1437 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1438 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1439 AC97_AUX, 1, ac97)) < 0)
1440 return err;
1441 }
1442 }
1443
1444 /* build PCM controls */
1445 if (ac97->flags & AC97_AD_MULTI) {
1446 unsigned short init_val;
1447 if (ac97->flags & AC97_STEREO_MUTES)
1448 init_val = 0x9f9f;
1449 else
1450 init_val = 0x9f1f;
1451 for (idx = 0; idx < 2; idx++)
1452 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1453 return err;
1454 set_tlv_db_scale(kctl, db_scale_5bit);
1455 ac97->spec.ad18xx.pcmreg[0] = init_val;
1456 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1457 for (idx = 0; idx < 2; idx++)
1458 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1459 return err;
1460 set_tlv_db_scale(kctl, db_scale_5bit);
1461 ac97->spec.ad18xx.pcmreg[1] = init_val;
1462 }
1463 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1464 for (idx = 0; idx < 2; idx++)
1465 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1466 return err;
1467 set_tlv_db_scale(kctl, db_scale_5bit);
1468 for (idx = 0; idx < 2; idx++)
1469 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1470 return err;
1471 set_tlv_db_scale(kctl, db_scale_5bit);
1472 ac97->spec.ad18xx.pcmreg[2] = init_val;
1473 }
1474 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1475 } else {
1476 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1477 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1478 err = snd_ac97_cmute_new(card,
1479 "PCM Playback Switch",
1480 AC97_PCM, 0, ac97);
1481 else
1482 err = snd_ac97_cmix_new(card, "PCM Playback",
1483 AC97_PCM, 0, ac97);
1484 if (err < 0)
1485 return err;
1486 }
1487 }
1488
1489 /* build Capture controls */
1490 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1491 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1492 return err;
1493 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1494 err = snd_ac97_cmute_new(card, "Capture Switch",
1495 AC97_REC_GAIN, 0, ac97);
1496 if (err < 0)
1497 return err;
1498 }
1499 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1500 return err;
1501 set_tlv_db_scale(kctl, db_scale_rec_gain);
1502 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1503 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1504 }
1505 /* build MIC Capture controls */
1506 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1507 for (idx = 0; idx < 2; idx++)
1508 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1509 return err;
1510 set_tlv_db_scale(kctl, db_scale_rec_gain);
1511 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1512 }
1513
1514 /* build PCM out path & mute control */
1515 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1516 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1517 return err;
1518 }
1519
1520 /* build Simulated Stereo Enhancement control */
1521 if (ac97->caps & 0x0008) {
1522 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1523 return err;
1524 }
1525
1526 /* build 3D Stereo Enhancement control */
1527 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1528 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1529 return err;
1530 }
1531
1532 /* build Loudness control */
1533 if (ac97->caps & 0x0020) {
1534 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1535 return err;
1536 }
1537
1538 /* build Mono output select control */
1539 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1540 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1541 return err;
1542 }
1543
1544 /* build Mic select control */
1545 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1546 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1547 return err;
1548 }
1549
1550 /* build ADC/DAC loopback control */
1551 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1552 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1553 return err;
1554 }
1555
1556 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1557
1558 /* build 3D controls */
1559 if (ac97->build_ops->build_3d) {
1560 ac97->build_ops->build_3d(ac97);
1561 } else {
1562 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1563 unsigned short val;
1564 val = 0x0707;
1565 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1566 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1567 val = val == 0x0606;
1568 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1569 return err;
1570 if (val)
1571 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1572 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1573 return err;
1574 if (val)
1575 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1576 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1577 }
1578 }
1579
1580 /* build S/PDIF controls */
1581
1582 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1583 if (ac97->subsystem_vendor == 0x1043 &&
1584 ac97->subsystem_device == 0x810f)
1585 ac97->ext_id |= AC97_EI_SPDIF;
1586
1587 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1588 if (ac97->build_ops->build_spdif) {
1589 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1590 return err;
1591 } else {
1592 for (idx = 0; idx < 5; idx++)
1593 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1594 return err;
1595 if (ac97->build_ops->build_post_spdif) {
1596 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1597 return err;
1598 }
1599 /* set default PCM S/PDIF params */
1600 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1601 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1602 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1603 }
1604 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1605 }
1606
1607 /* build chip specific controls */
1608 if (ac97->build_ops->build_specific)
1609 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1610 return err;
1611
1612 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1613 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1614 if (! kctl)
1615 return -ENOMEM;
1616 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1617 set_inv_eapd(ac97, kctl);
1618 if ((err = snd_ctl_add(card, kctl)) < 0)
1619 return err;
1620 }
1621
1622 return 0;
1623 }
1624
1625 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1626 {
1627 int err, idx;
1628
1629 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1630 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1631 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1632 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1633 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1634 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1635
1636 /* build modem switches */
1637 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1638 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1639 return err;
1640
1641 /* build chip specific controls */
1642 if (ac97->build_ops->build_specific)
1643 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1644 return err;
1645
1646 return 0;
1647 }
1648
1649 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1650 {
1651 unsigned short val;
1652 unsigned int tmp;
1653
1654 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1655 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1656 if (shadow_reg)
1657 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1658 val = snd_ac97_read(ac97, reg);
1659 return val == (tmp & 0xffff);
1660 }
1661
1662 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1663 {
1664 unsigned int result = 0;
1665 unsigned short saved;
1666
1667 if (ac97->bus->no_vra) {
1668 *r_result = SNDRV_PCM_RATE_48000;
1669 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1670 reg == AC97_PCM_FRONT_DAC_RATE)
1671 *r_result |= SNDRV_PCM_RATE_96000;
1672 return;
1673 }
1674
1675 saved = snd_ac97_read(ac97, reg);
1676 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1677 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1678 AC97_EA_DRA, 0);
1679 /* test a non-standard rate */
1680 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1681 result |= SNDRV_PCM_RATE_CONTINUOUS;
1682 /* let's try to obtain standard rates */
1683 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1684 result |= SNDRV_PCM_RATE_8000;
1685 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1686 result |= SNDRV_PCM_RATE_11025;
1687 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1688 result |= SNDRV_PCM_RATE_16000;
1689 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1690 result |= SNDRV_PCM_RATE_22050;
1691 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1692 result |= SNDRV_PCM_RATE_32000;
1693 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1694 result |= SNDRV_PCM_RATE_44100;
1695 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1696 result |= SNDRV_PCM_RATE_48000;
1697 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1698 reg == AC97_PCM_FRONT_DAC_RATE) {
1699 /* test standard double rates */
1700 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1701 AC97_EA_DRA, AC97_EA_DRA);
1702 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1703 result |= SNDRV_PCM_RATE_64000;
1704 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1705 result |= SNDRV_PCM_RATE_88200;
1706 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1707 result |= SNDRV_PCM_RATE_96000;
1708 /* some codecs don't support variable double rates */
1709 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1710 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1711 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1712 AC97_EA_DRA, 0);
1713 }
1714 /* restore the default value */
1715 snd_ac97_write_cache(ac97, reg, saved);
1716 if (shadow_reg)
1717 snd_ac97_write_cache(ac97, shadow_reg, saved);
1718 *r_result = result;
1719 }
1720
1721 /* check AC97_SPDIF register to accept which sample rates */
1722 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1723 {
1724 unsigned int result = 0;
1725 int i;
1726 static unsigned short ctl_bits[] = {
1727 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1728 };
1729 static unsigned int rate_bits[] = {
1730 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1731 };
1732
1733 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1734 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1735 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1736 result |= rate_bits[i];
1737 }
1738 return result;
1739 }
1740
1741 /* look for the codec id table matching with the given id */
1742 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1743 unsigned int id)
1744 {
1745 const struct ac97_codec_id *pid;
1746
1747 for (pid = table; pid->id; pid++)
1748 if (pid->id == (id & pid->mask))
1749 return pid;
1750 return NULL;
1751 }
1752
1753 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1754 {
1755 const struct ac97_codec_id *pid;
1756
1757 sprintf(name, "0x%x %c%c%c", id,
1758 printable(id >> 24),
1759 printable(id >> 16),
1760 printable(id >> 8));
1761 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1762 if (! pid)
1763 return;
1764
1765 strcpy(name, pid->name);
1766 if (ac97 && pid->patch) {
1767 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1768 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1769 pid->patch(ac97);
1770 }
1771
1772 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1773 if (pid) {
1774 strcat(name, " ");
1775 strcat(name, pid->name);
1776 if (pid->mask != 0xffffffff)
1777 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1778 if (ac97 && pid->patch) {
1779 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1780 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1781 pid->patch(ac97);
1782 }
1783 } else
1784 sprintf(name + strlen(name), " id %x", id & 0xff);
1785 }
1786
1787 /**
1788 * snd_ac97_get_short_name - retrieve codec name
1789 * @ac97: the codec instance
1790 *
1791 * Returns the short identifying name of the codec.
1792 */
1793 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1794 {
1795 const struct ac97_codec_id *pid;
1796
1797 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1798 if (pid->id == (ac97->id & pid->mask))
1799 return pid->name;
1800 return "unknown codec";
1801 }
1802
1803 EXPORT_SYMBOL(snd_ac97_get_short_name);
1804
1805 /* wait for a while until registers are accessible after RESET
1806 * return 0 if ok, negative not ready
1807 */
1808 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1809 {
1810 unsigned long end_time;
1811 unsigned short val;
1812
1813 end_time = jiffies + timeout;
1814 do {
1815
1816 /* use preliminary reads to settle the communication */
1817 snd_ac97_read(ac97, AC97_RESET);
1818 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1819 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1820 /* modem? */
1821 if (with_modem) {
1822 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1823 if (val != 0xffff && (val & 1) != 0)
1824 return 0;
1825 }
1826 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1827 /* probably only Xbox issue - all registers are read as zero */
1828 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1829 if (val != 0 && val != 0xffff)
1830 return 0;
1831 } else {
1832 /* because the PCM or MASTER volume registers can be modified,
1833 * the REC_GAIN register is used for tests
1834 */
1835 /* test if we can write to the record gain volume register */
1836 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1837 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1838 return 0;
1839 }
1840 schedule_timeout_uninterruptible(1);
1841 } while (time_after_eq(end_time, jiffies));
1842 return -ENODEV;
1843 }
1844
1845 /**
1846 * snd_ac97_bus - create an AC97 bus component
1847 * @card: the card instance
1848 * @num: the bus number
1849 * @ops: the bus callbacks table
1850 * @private_data: private data pointer for the new instance
1851 * @rbus: the pointer to store the new AC97 bus instance.
1852 *
1853 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1854 * allocated and initialized.
1855 *
1856 * The ops table must include valid callbacks (at least read and
1857 * write). The other callbacks, wait and reset, are not mandatory.
1858 *
1859 * The clock is set to 48000. If another clock is needed, set
1860 * (*rbus)->clock manually.
1861 *
1862 * The AC97 bus instance is registered as a low-level device, so you don't
1863 * have to release it manually.
1864 *
1865 * Returns zero if successful, or a negative error code on failure.
1866 */
1867 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1868 void *private_data, struct snd_ac97_bus **rbus)
1869 {
1870 int err;
1871 struct snd_ac97_bus *bus;
1872 static struct snd_device_ops dev_ops = {
1873 .dev_free = snd_ac97_bus_dev_free,
1874 };
1875
1876 snd_assert(card != NULL, return -EINVAL);
1877 snd_assert(rbus != NULL, return -EINVAL);
1878 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1879 if (bus == NULL)
1880 return -ENOMEM;
1881 bus->card = card;
1882 bus->num = num;
1883 bus->ops = ops;
1884 bus->private_data = private_data;
1885 bus->clock = 48000;
1886 spin_lock_init(&bus->bus_lock);
1887 snd_ac97_bus_proc_init(bus);
1888 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1889 snd_ac97_bus_free(bus);
1890 return err;
1891 }
1892 *rbus = bus;
1893 return 0;
1894 }
1895
1896 EXPORT_SYMBOL(snd_ac97_bus);
1897
1898 /* stop no dev release warning */
1899 static void ac97_device_release(struct device * dev)
1900 {
1901 }
1902
1903 /* register ac97 codec to bus */
1904 static int snd_ac97_dev_register(struct snd_device *device)
1905 {
1906 struct snd_ac97 *ac97 = device->device_data;
1907 int err;
1908
1909 ac97->dev.bus = &ac97_bus_type;
1910 ac97->dev.parent = ac97->bus->card->dev;
1911 ac97->dev.release = ac97_device_release;
1912 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1913 ac97->bus->card->number, ac97->num,
1914 snd_ac97_get_short_name(ac97));
1915 if ((err = device_register(&ac97->dev)) < 0) {
1916 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1917 ac97->dev.bus = NULL;
1918 return err;
1919 }
1920 return 0;
1921 }
1922
1923 /* disconnect ac97 codec */
1924 static int snd_ac97_dev_disconnect(struct snd_device *device)
1925 {
1926 struct snd_ac97 *ac97 = device->device_data;
1927 if (ac97->dev.bus)
1928 device_unregister(&ac97->dev);
1929 return 0;
1930 }
1931
1932 /* build_ops to do nothing */
1933 static struct snd_ac97_build_ops null_build_ops;
1934
1935 #ifdef CONFIG_SND_AC97_POWER_SAVE
1936 static void do_update_power(struct work_struct *work)
1937 {
1938 update_power_regs(
1939 container_of(work, struct snd_ac97, power_work.work));
1940 }
1941 #endif
1942
1943 /**
1944 * snd_ac97_mixer - create an Codec97 component
1945 * @bus: the AC97 bus which codec is attached to
1946 * @template: the template of ac97, including index, callbacks and
1947 * the private data.
1948 * @rac97: the pointer to store the new ac97 instance.
1949 *
1950 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1951 * allocated and initialized from the template. The codec
1952 * is then initialized by the standard procedure.
1953 *
1954 * The template must include the codec number (num) and address (addr),
1955 * and the private data (private_data).
1956 *
1957 * The ac97 instance is registered as a low-level device, so you don't
1958 * have to release it manually.
1959 *
1960 * Returns zero if successful, or a negative error code on failure.
1961 */
1962 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1963 {
1964 int err;
1965 struct snd_ac97 *ac97;
1966 struct snd_card *card;
1967 char name[64];
1968 unsigned long end_time;
1969 unsigned int reg;
1970 const struct ac97_codec_id *pid;
1971 static struct snd_device_ops ops = {
1972 .dev_free = snd_ac97_dev_free,
1973 .dev_register = snd_ac97_dev_register,
1974 .dev_disconnect = snd_ac97_dev_disconnect,
1975 };
1976
1977 snd_assert(rac97 != NULL, return -EINVAL);
1978 *rac97 = NULL;
1979 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1980 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1981
1982 card = bus->card;
1983 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1984 if (ac97 == NULL)
1985 return -ENOMEM;
1986 ac97->private_data = template->private_data;
1987 ac97->private_free = template->private_free;
1988 ac97->bus = bus;
1989 ac97->pci = template->pci;
1990 ac97->num = template->num;
1991 ac97->addr = template->addr;
1992 ac97->scaps = template->scaps;
1993 ac97->res_table = template->res_table;
1994 bus->codec[ac97->num] = ac97;
1995 mutex_init(&ac97->reg_mutex);
1996 mutex_init(&ac97->page_mutex);
1997 #ifdef CONFIG_SND_AC97_POWER_SAVE
1998 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
1999 #endif
2000
2001 #ifdef CONFIG_PCI
2002 if (ac97->pci) {
2003 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2004 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2005 }
2006 #endif
2007 if (bus->ops->reset) {
2008 bus->ops->reset(ac97);
2009 goto __access_ok;
2010 }
2011
2012 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2013 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2014 if (ac97->id && ac97->id != (unsigned int)-1) {
2015 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2016 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2017 goto __access_ok;
2018 }
2019
2020 /* reset to defaults */
2021 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2022 snd_ac97_write(ac97, AC97_RESET, 0);
2023 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2024 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2025 if (bus->ops->wait)
2026 bus->ops->wait(ac97);
2027 else {
2028 udelay(50);
2029 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2030 err = ac97_reset_wait(ac97, HZ/2, 1);
2031 else {
2032 err = ac97_reset_wait(ac97, HZ/2, 0);
2033 if (err < 0)
2034 err = ac97_reset_wait(ac97, HZ/2, 1);
2035 }
2036 if (err < 0) {
2037 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
2038 /* proceed anyway - it's often non-critical */
2039 }
2040 }
2041 __access_ok:
2042 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2043 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2044 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2045 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2046 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
2047 snd_ac97_free(ac97);
2048 return -EIO;
2049 }
2050 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2051 if (pid)
2052 ac97->flags |= pid->flags;
2053
2054 /* test for AC'97 */
2055 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2056 /* test if we can write to the record gain volume register */
2057 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2058 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2059 ac97->scaps |= AC97_SCAP_AUDIO;
2060 }
2061 if (ac97->scaps & AC97_SCAP_AUDIO) {
2062 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2063 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2064 if (ac97->ext_id == 0xffff) /* invalid combination */
2065 ac97->ext_id = 0;
2066 }
2067
2068 /* test for MC'97 */
2069 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2070 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2071 if (ac97->ext_mid == 0xffff) /* invalid combination */
2072 ac97->ext_mid = 0;
2073 if (ac97->ext_mid & 1)
2074 ac97->scaps |= AC97_SCAP_MODEM;
2075 }
2076
2077 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2078 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2079 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2080 snd_ac97_free(ac97);
2081 return -EACCES;
2082 }
2083
2084 if (bus->ops->reset) // FIXME: always skipping?
2085 goto __ready_ok;
2086
2087 /* FIXME: add powerdown control */
2088 if (ac97_is_audio(ac97)) {
2089 /* nothing should be in powerdown mode */
2090 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2091 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2092 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2093 udelay(100);
2094 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2095 }
2096 /* nothing should be in powerdown mode */
2097 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2098 end_time = jiffies + (HZ / 10);
2099 do {
2100 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2101 goto __ready_ok;
2102 schedule_timeout_uninterruptible(1);
2103 } while (time_after_eq(end_time, jiffies));
2104 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2105 }
2106
2107 /* FIXME: add powerdown control */
2108 if (ac97_is_modem(ac97)) {
2109 unsigned char tmp;
2110
2111 /* nothing should be in powerdown mode */
2112 /* note: it's important to set the rate at first */
2113 tmp = AC97_MEA_GPIO;
2114 if (ac97->ext_mid & AC97_MEI_LINE1) {
2115 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2116 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2117 }
2118 if (ac97->ext_mid & AC97_MEI_LINE2) {
2119 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2120 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2121 }
2122 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2123 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2124 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2125 }
2126 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2127 udelay(100);
2128 /* nothing should be in powerdown mode */
2129 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2130 end_time = jiffies + (HZ / 10);
2131 do {
2132 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2133 goto __ready_ok;
2134 schedule_timeout_uninterruptible(1);
2135 } while (time_after_eq(end_time, jiffies));
2136 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2137 }
2138
2139 __ready_ok:
2140 if (ac97_is_audio(ac97))
2141 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2142 else
2143 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2144 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2145 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2146 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2147 if (! bus->no_vra)
2148 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2149 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2150 }
2151 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2152 /* Intel controllers require double rate data to be put in
2153 * slots 7+8, so let's hope the codec supports it. */
2154 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2155 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2156 ac97->flags |= AC97_DOUBLE_RATE;
2157 /* restore to slots 10/11 to avoid the confliction with surrounds */
2158 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2159 }
2160 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2161 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2162 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2163 } else {
2164 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2165 if (ac97->flags & AC97_DOUBLE_RATE)
2166 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2167 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2168 }
2169 if (ac97->ext_id & AC97_EI_SPDIF) {
2170 /* codec specific code (patch) should override these values */
2171 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2172 }
2173 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2174 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2175 } else {
2176 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2177 }
2178 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2179 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2180 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2181 }
2182 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2183 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2184 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2185 }
2186 /* additional initializations */
2187 if (bus->ops->init)
2188 bus->ops->init(ac97);
2189 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2190 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2191 if (! ac97->build_ops)
2192 ac97->build_ops = &null_build_ops;
2193
2194 if (ac97_is_audio(ac97)) {
2195 char comp[16];
2196 if (card->mixername[0] == '\0') {
2197 strcpy(card->mixername, name);
2198 } else {
2199 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2200 strcat(card->mixername, ",");
2201 strcat(card->mixername, name);
2202 }
2203 }
2204 sprintf(comp, "AC97a:%08x", ac97->id);
2205 if ((err = snd_component_add(card, comp)) < 0) {
2206 snd_ac97_free(ac97);
2207 return err;
2208 }
2209 if (snd_ac97_mixer_build(ac97) < 0) {
2210 snd_ac97_free(ac97);
2211 return -ENOMEM;
2212 }
2213 }
2214 if (ac97_is_modem(ac97)) {
2215 char comp[16];
2216 if (card->mixername[0] == '\0') {
2217 strcpy(card->mixername, name);
2218 } else {
2219 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2220 strcat(card->mixername, ",");
2221 strcat(card->mixername, name);
2222 }
2223 }
2224 sprintf(comp, "AC97m:%08x", ac97->id);
2225 if ((err = snd_component_add(card, comp)) < 0) {
2226 snd_ac97_free(ac97);
2227 return err;
2228 }
2229 if (snd_ac97_modem_build(card, ac97) < 0) {
2230 snd_ac97_free(ac97);
2231 return -ENOMEM;
2232 }
2233 }
2234 if (ac97_is_audio(ac97))
2235 update_power_regs(ac97);
2236 snd_ac97_proc_init(ac97);
2237 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2238 snd_ac97_free(ac97);
2239 return err;
2240 }
2241 *rac97 = ac97;
2242 return 0;
2243 }
2244
2245 EXPORT_SYMBOL(snd_ac97_mixer);
2246
2247 /*
2248 * Power down the chip.
2249 *
2250 * MASTER and HEADPHONE registers are muted but the register cache values
2251 * are not changed, so that the values can be restored in snd_ac97_resume().
2252 */
2253 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2254 {
2255 unsigned short power;
2256
2257 if (ac97_is_audio(ac97)) {
2258 /* some codecs have stereo mute bits */
2259 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2260 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2261 }
2262
2263 /* surround, CLFE, mic powerdown */
2264 power = ac97->regs[AC97_EXTENDED_STATUS];
2265 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2266 power |= AC97_EA_PRJ;
2267 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2268 power |= AC97_EA_PRI | AC97_EA_PRK;
2269 power |= AC97_EA_PRL;
2270 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2271
2272 /* powerdown external amplifier */
2273 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2274 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2275 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2276 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2277 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2278 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
2279 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2280 udelay(100);
2281 power |= AC97_PD_PR2 | AC97_PD_PR3; /* Analog Mixer powerdown */
2282 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2283 if (ac97_is_power_save_mode(ac97)) {
2284 udelay(100);
2285 /* AC-link powerdown, internal Clk disable */
2286 /* FIXME: this may cause click noises on some boards */
2287 power |= AC97_PD_PR4 | AC97_PD_PR5;
2288 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2289 }
2290 }
2291
2292
2293 struct ac97_power_reg {
2294 unsigned short reg;
2295 unsigned short power_reg;
2296 unsigned short mask;
2297 };
2298
2299 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2300
2301 static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2302 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2303 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2304 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2305 AC97_EA_PRI | AC97_EA_PRK},
2306 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2307 AC97_EA_PRJ},
2308 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2309 AC97_EA_PRL},
2310 };
2311
2312 #ifdef CONFIG_SND_AC97_POWER_SAVE
2313 /**
2314 * snd_ac97_update_power - update the powerdown register
2315 * @ac97: the codec instance
2316 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2317 * @powerup: non-zero when power up the part
2318 *
2319 * Update the AC97 powerdown register bits of the given part.
2320 */
2321 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2322 {
2323 int i;
2324
2325 if (! ac97)
2326 return 0;
2327
2328 if (reg) {
2329 /* SPDIF requires DAC power, too */
2330 if (reg == AC97_SPDIF)
2331 reg = AC97_PCM_FRONT_DAC_RATE;
2332 for (i = 0; i < PWIDX_SIZE; i++) {
2333 if (power_regs[i].reg == reg) {
2334 if (powerup)
2335 ac97->power_up |= (1 << i);
2336 else
2337 ac97->power_up &= ~(1 << i);
2338 break;
2339 }
2340 }
2341 }
2342
2343 if (ac97_is_power_save_mode(ac97) && !powerup)
2344 /* adjust power-down bits after two seconds delay
2345 * (for avoiding loud click noises for many (OSS) apps
2346 * that open/close frequently)
2347 */
2348 schedule_delayed_work(&ac97->power_work, HZ*2);
2349 else {
2350 cancel_delayed_work(&ac97->power_work);
2351 update_power_regs(ac97);
2352 }
2353
2354 return 0;
2355 }
2356
2357 EXPORT_SYMBOL(snd_ac97_update_power);
2358 #endif /* CONFIG_SND_AC97_POWER_SAVE */
2359
2360 static void update_power_regs(struct snd_ac97 *ac97)
2361 {
2362 unsigned int power_up, bits;
2363 int i;
2364
2365 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2366 power_up |= (1 << PWIDX_MIC);
2367 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2368 power_up |= (1 << PWIDX_SURR);
2369 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2370 power_up |= (1 << PWIDX_CLFE);
2371 #ifdef CONFIG_SND_AC97_POWER_SAVE
2372 if (ac97_is_power_save_mode(ac97))
2373 power_up = ac97->power_up;
2374 #endif
2375 if (power_up) {
2376 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2377 /* needs power-up analog mix and vref */
2378 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2379 AC97_PD_PR3, 0);
2380 msleep(1);
2381 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2382 AC97_PD_PR2, 0);
2383 }
2384 }
2385 for (i = 0; i < PWIDX_SIZE; i++) {
2386 if (power_up & (1 << i))
2387 bits = 0;
2388 else
2389 bits = power_regs[i].mask;
2390 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2391 power_regs[i].mask, bits);
2392 }
2393 if (! power_up) {
2394 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2395 /* power down analog mix and vref */
2396 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2397 AC97_PD_PR2, AC97_PD_PR2);
2398 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2399 AC97_PD_PR3, AC97_PD_PR3);
2400 }
2401 }
2402 }
2403
2404
2405 #ifdef CONFIG_PM
2406 /**
2407 * snd_ac97_suspend - General suspend function for AC97 codec
2408 * @ac97: the ac97 instance
2409 *
2410 * Suspends the codec, power down the chip.
2411 */
2412 void snd_ac97_suspend(struct snd_ac97 *ac97)
2413 {
2414 if (! ac97)
2415 return;
2416 if (ac97->build_ops->suspend)
2417 ac97->build_ops->suspend(ac97);
2418 snd_ac97_powerdown(ac97);
2419 }
2420
2421 EXPORT_SYMBOL(snd_ac97_suspend);
2422
2423 /*
2424 * restore ac97 status
2425 */
2426 void snd_ac97_restore_status(struct snd_ac97 *ac97)
2427 {
2428 int i;
2429
2430 for (i = 2; i < 0x7c ; i += 2) {
2431 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2432 continue;
2433 /* restore only accessible registers
2434 * some chip (e.g. nm256) may hang up when unsupported registers
2435 * are accessed..!
2436 */
2437 if (test_bit(i, ac97->reg_accessed)) {
2438 snd_ac97_write(ac97, i, ac97->regs[i]);
2439 snd_ac97_read(ac97, i);
2440 }
2441 }
2442 }
2443
2444 /*
2445 * restore IEC958 status
2446 */
2447 void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2448 {
2449 if (ac97->ext_id & AC97_EI_SPDIF) {
2450 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2451 /* reset spdif status */
2452 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2453 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2454 if (ac97->flags & AC97_CS_SPDIF)
2455 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2456 else
2457 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2458 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2459 }
2460 }
2461 }
2462
2463 /**
2464 * snd_ac97_resume - General resume function for AC97 codec
2465 * @ac97: the ac97 instance
2466 *
2467 * Do the standard resume procedure, power up and restoring the
2468 * old register values.
2469 */
2470 void snd_ac97_resume(struct snd_ac97 *ac97)
2471 {
2472 unsigned long end_time;
2473
2474 if (! ac97)
2475 return;
2476
2477 if (ac97->bus->ops->reset) {
2478 ac97->bus->ops->reset(ac97);
2479 goto __reset_ready;
2480 }
2481
2482 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2483 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2484 snd_ac97_write(ac97, AC97_RESET, 0);
2485 udelay(100);
2486 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2487 }
2488 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2489
2490 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2491 if (ac97_is_audio(ac97)) {
2492 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2493 end_time = jiffies + msecs_to_jiffies(100);
2494 do {
2495 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2496 break;
2497 schedule_timeout_uninterruptible(1);
2498 } while (time_after_eq(end_time, jiffies));
2499 /* FIXME: extra delay */
2500 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2501 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2502 msleep(250);
2503 } else {
2504 end_time = jiffies + msecs_to_jiffies(100);
2505 do {
2506 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2507 if (val != 0xffff && (val & 1) != 0)
2508 break;
2509 schedule_timeout_uninterruptible(1);
2510 } while (time_after_eq(end_time, jiffies));
2511 }
2512 __reset_ready:
2513
2514 if (ac97->bus->ops->init)
2515 ac97->bus->ops->init(ac97);
2516
2517 if (ac97->build_ops->resume)
2518 ac97->build_ops->resume(ac97);
2519 else {
2520 snd_ac97_restore_status(ac97);
2521 snd_ac97_restore_iec958(ac97);
2522 }
2523 }
2524
2525 EXPORT_SYMBOL(snd_ac97_resume);
2526 #endif
2527
2528
2529 /*
2530 * Hardware tuning
2531 */
2532 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2533 {
2534 if (suffix)
2535 sprintf(dst, "%s %s", src, suffix);
2536 else
2537 strcpy(dst, src);
2538 }
2539
2540 /* remove the control with the given name and optional suffix */
2541 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
2542 {
2543 struct snd_ctl_elem_id id;
2544 memset(&id, 0, sizeof(id));
2545 set_ctl_name(id.name, name, suffix);
2546 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2547 return snd_ctl_remove_id(ac97->bus->card, &id);
2548 }
2549
2550 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2551 {
2552 struct snd_ctl_elem_id sid;
2553 memset(&sid, 0, sizeof(sid));
2554 set_ctl_name(sid.name, name, suffix);
2555 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2556 return snd_ctl_find_id(ac97->bus->card, &sid);
2557 }
2558
2559 /* rename the control with the given name and optional suffix */
2560 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
2561 {
2562 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2563 if (kctl) {
2564 set_ctl_name(kctl->id.name, dst, suffix);
2565 return 0;
2566 }
2567 return -ENOENT;
2568 }
2569
2570 /* rename both Volume and Switch controls - don't check the return value */
2571 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
2572 {
2573 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2574 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2575 }
2576
2577 /* swap controls */
2578 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
2579 {
2580 struct snd_kcontrol *kctl1, *kctl2;
2581 kctl1 = ctl_find(ac97, s1, suffix);
2582 kctl2 = ctl_find(ac97, s2, suffix);
2583 if (kctl1 && kctl2) {
2584 set_ctl_name(kctl1->id.name, s2, suffix);
2585 set_ctl_name(kctl2->id.name, s1, suffix);
2586 return 0;
2587 }
2588 return -ENOENT;
2589 }
2590
2591 #if 1
2592 /* bind hp and master controls instead of using only hp control */
2593 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2594 {
2595 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2596 if (err > 0) {
2597 unsigned long priv_saved = kcontrol->private_value;
2598 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2599 snd_ac97_put_volsw(kcontrol, ucontrol);
2600 kcontrol->private_value = priv_saved;
2601 }
2602 return err;
2603 }
2604
2605 /* ac97 tune: bind Master and Headphone controls */
2606 static int tune_hp_only(struct snd_ac97 *ac97)
2607 {
2608 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2609 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2610 if (! msw || ! mvol)
2611 return -ENOENT;
2612 msw->put = bind_hp_volsw_put;
2613 mvol->put = bind_hp_volsw_put;
2614 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2615 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2616 return 0;
2617 }
2618
2619 #else
2620 /* ac97 tune: use Headphone control as master */
2621 static int tune_hp_only(struct snd_ac97 *ac97)
2622 {
2623 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2624 return -ENOENT;
2625 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2626 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2627 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2628 return 0;
2629 }
2630 #endif
2631
2632 /* ac97 tune: swap Headphone and Master controls */
2633 static int tune_swap_hp(struct snd_ac97 *ac97)
2634 {
2635 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2636 return -ENOENT;
2637 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2638 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2639 return 0;
2640 }
2641
2642 /* ac97 tune: swap Surround and Master controls */
2643 static int tune_swap_surround(struct snd_ac97 *ac97)
2644 {
2645 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2646 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2647 return -ENOENT;
2648 return 0;
2649 }
2650
2651 /* ac97 tune: set up mic sharing for AD codecs */
2652 static int tune_ad_sharing(struct snd_ac97 *ac97)
2653 {
2654 unsigned short scfg;
2655 if ((ac97->id & 0xffffff00) != 0x41445300) {
2656 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2657 return -EINVAL;
2658 }
2659 /* Turn on OMS bit to route microphone to back panel */
2660 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2661 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2662 return 0;
2663 }
2664
2665 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2666 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2667
2668 /* ac97 tune: set up ALC jack-select */
2669 static int tune_alc_jack(struct snd_ac97 *ac97)
2670 {
2671 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2672 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2673 return -EINVAL;
2674 }
2675 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2676 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2677 if (ac97->id == AC97_ID_ALC658D)
2678 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2679 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2680 }
2681
2682 /* ac97 tune: inversed EAPD bit */
2683 static int tune_inv_eapd(struct snd_ac97 *ac97)
2684 {
2685 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2686 if (! kctl)
2687 return -ENOENT;
2688 set_inv_eapd(ac97, kctl);
2689 return 0;
2690 }
2691
2692 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2693 {
2694 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2695 if (err > 0) {
2696 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2697 int shift = (kcontrol->private_value >> 8) & 0x0f;
2698 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2699 unsigned short mask;
2700 if (shift != rshift)
2701 mask = 0x8080;
2702 else
2703 mask = 0x8000;
2704 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2705 (ac97->regs[AC97_MASTER] & mask) == mask ?
2706 0x8000 : 0);
2707 }
2708 return err;
2709 }
2710
2711 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2712 static int tune_mute_led(struct snd_ac97 *ac97)
2713 {
2714 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2715 if (! msw)
2716 return -ENOENT;
2717 msw->put = master_mute_sw_put;
2718 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2719 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2720 ac97->scaps |= AC97_SCAP_EAPD_LED;
2721 return 0;
2722 }
2723
2724 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2725 struct snd_ctl_elem_value *ucontrol)
2726 {
2727 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2728 if (err > 0) {
2729 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2730 int shift = (kcontrol->private_value >> 8) & 0x0f;
2731 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2732 unsigned short mask;
2733 if (shift != rshift)
2734 mask = 0x8080;
2735 else
2736 mask = 0x8000;
2737 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2738 (ac97->regs[AC97_MASTER] & mask) == mask ?
2739 0x8000 : 0);
2740 }
2741 return err;
2742 }
2743
2744 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2745 {
2746 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2747 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2748 if (! msw || ! mvol)
2749 return -ENOENT;
2750 msw->put = hp_master_mute_sw_put;
2751 mvol->put = bind_hp_volsw_put;
2752 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2753 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2754 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2755 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2756 return 0;
2757 }
2758
2759 struct quirk_table {
2760 const char *name;
2761 int (*func)(struct snd_ac97 *);
2762 };
2763
2764 static struct quirk_table applicable_quirks[] = {
2765 { "none", NULL },
2766 { "hp_only", tune_hp_only },
2767 { "swap_hp", tune_swap_hp },
2768 { "swap_surround", tune_swap_surround },
2769 { "ad_sharing", tune_ad_sharing },
2770 { "alc_jack", tune_alc_jack },
2771 { "inv_eapd", tune_inv_eapd },
2772 { "mute_led", tune_mute_led },
2773 { "hp_mute_led", tune_hp_mute_led },
2774 };
2775
2776 /* apply the quirk with the given type */
2777 static int apply_quirk(struct snd_ac97 *ac97, int type)
2778 {
2779 if (type <= 0)
2780 return 0;
2781 else if (type >= ARRAY_SIZE(applicable_quirks))
2782 return -EINVAL;
2783 if (applicable_quirks[type].func)
2784 return applicable_quirks[type].func(ac97);
2785 return 0;
2786 }
2787
2788 /* apply the quirk with the given name */
2789 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2790 {
2791 int i;
2792 struct quirk_table *q;
2793
2794 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2795 q = &applicable_quirks[i];
2796 if (q->name && ! strcmp(typestr, q->name))
2797 return apply_quirk(ac97, i);
2798 }
2799 /* for compatibility, accept the numbers, too */
2800 if (*typestr >= '0' && *typestr <= '9')
2801 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2802 return -EINVAL;
2803 }
2804
2805 /**
2806 * snd_ac97_tune_hardware - tune up the hardware
2807 * @ac97: the ac97 instance
2808 * @quirk: quirk list
2809 * @override: explicit quirk value (overrides the list if non-NULL)
2810 *
2811 * Do some workaround for each pci device, such as renaming of the
2812 * headphone (true line-out) control as "Master".
2813 * The quirk-list must be terminated with a zero-filled entry.
2814 *
2815 * Returns zero if successful, or a negative error code on failure.
2816 */
2817
2818 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2819 {
2820 int result;
2821
2822 /* quirk overriden? */
2823 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2824 result = apply_quirk_str(ac97, override);
2825 if (result < 0)
2826 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2827 return result;
2828 }
2829
2830 if (! quirk)
2831 return -EINVAL;
2832
2833 for (; quirk->subvendor; quirk++) {
2834 if (quirk->subvendor != ac97->subsystem_vendor)
2835 continue;
2836 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2837 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2838 if (quirk->codec_id && quirk->codec_id != ac97->id)
2839 continue;
2840 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2841 result = apply_quirk(ac97, quirk->type);
2842 if (result < 0)
2843 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2844 return result;
2845 }
2846 }
2847 return 0;
2848 }
2849
2850 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2851
2852 /*
2853 * INIT part
2854 */
2855
2856 static int __init alsa_ac97_init(void)
2857 {
2858 return 0;
2859 }
2860
2861 static void __exit alsa_ac97_exit(void)
2862 {
2863 }
2864
2865 module_init(alsa_ac97_init)
2866 module_exit(alsa_ac97_exit)
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree