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[PATCH] i386: show_registers(): try harder to print failing code
[linux-2.6/cjktty.git] / sound / pci / ac97 / ac97_codec.c
bloba79e91850ba361bbdb05dfdd65a3ed59638fc47e
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, "CMI9761", patch_cm9761, NULL },
133 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
134 { 0x434d4983, 0xffffffff, "CMI9761", 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
198 /*
199 * I/O routines
200 */
201
202 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
203 {
204 /* filter some registers for buggy codecs */
205 switch (ac97->id) {
206 case AC97_ID_AK4540:
207 case AC97_ID_AK4542:
208 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
209 return 1;
210 return 0;
211 case AC97_ID_AD1819: /* AD1819 */
212 case AC97_ID_AD1881: /* AD1881 */
213 case AC97_ID_AD1881A: /* AD1881A */
214 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
215 return 0;
216 return 1;
217 case AC97_ID_AD1885: /* AD1885 */
218 case AC97_ID_AD1886: /* AD1886 */
219 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
220 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
221 if (reg == 0x5a)
222 return 1;
223 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
224 return 0;
225 return 1;
226 case AC97_ID_STAC9700:
227 case AC97_ID_STAC9704:
228 case AC97_ID_STAC9705:
229 case AC97_ID_STAC9708:
230 case AC97_ID_STAC9721:
231 case AC97_ID_STAC9744:
232 case AC97_ID_STAC9756:
233 if (reg <= 0x3a || reg >= 0x5a)
234 return 1;
235 return 0;
236 }
237 return 1;
238 }
239
240 /**
241 * snd_ac97_write - write a value on the given register
242 * @ac97: the ac97 instance
243 * @reg: the register to change
244 * @value: the value to set
245 *
246 * Writes a value on the given register. This will invoke the write
247 * callback directly after the register check.
248 * This function doesn't change the register cache unlike
249 * #snd_ca97_write_cache(), so use this only when you don't want to
250 * reflect the change to the suspend/resume state.
251 */
252 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
253 {
254 if (!snd_ac97_valid_reg(ac97, reg))
255 return;
256 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
257 /* Fix H/W bug of ALC100/100P */
258 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
259 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
260 }
261 ac97->bus->ops->write(ac97, reg, value);
262 }
263
264 EXPORT_SYMBOL(snd_ac97_write);
265
266 /**
267 * snd_ac97_read - read a value from the given register
268 *
269 * @ac97: the ac97 instance
270 * @reg: the register to read
271 *
272 * Reads a value from the given register. This will invoke the read
273 * callback directly after the register check.
274 *
275 * Returns the read value.
276 */
277 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
278 {
279 if (!snd_ac97_valid_reg(ac97, reg))
280 return 0;
281 return ac97->bus->ops->read(ac97, reg);
282 }
283
284 /* read a register - return the cached value if already read */
285 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
286 {
287 if (! test_bit(reg, ac97->reg_accessed)) {
288 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
289 // set_bit(reg, ac97->reg_accessed);
290 }
291 return ac97->regs[reg];
292 }
293
294 EXPORT_SYMBOL(snd_ac97_read);
295
296 /**
297 * snd_ac97_write_cache - write a value on the given register and update the cache
298 * @ac97: the ac97 instance
299 * @reg: the register to change
300 * @value: the value to set
301 *
302 * Writes a value on the given register and updates the register
303 * cache. The cached values are used for the cached-read and the
304 * suspend/resume.
305 */
306 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
307 {
308 if (!snd_ac97_valid_reg(ac97, reg))
309 return;
310 mutex_lock(&ac97->reg_mutex);
311 ac97->regs[reg] = value;
312 ac97->bus->ops->write(ac97, reg, value);
313 set_bit(reg, ac97->reg_accessed);
314 mutex_unlock(&ac97->reg_mutex);
315 }
316
317 EXPORT_SYMBOL(snd_ac97_write_cache);
318
319 /**
320 * snd_ac97_update - update the value on the given register
321 * @ac97: the ac97 instance
322 * @reg: the register to change
323 * @value: the value to set
324 *
325 * Compares the value with the register cache and updates the value
326 * only when the value is changed.
327 *
328 * Returns 1 if the value is changed, 0 if no change, or a negative
329 * code on failure.
330 */
331 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
332 {
333 int change;
334
335 if (!snd_ac97_valid_reg(ac97, reg))
336 return -EINVAL;
337 mutex_lock(&ac97->reg_mutex);
338 change = ac97->regs[reg] != value;
339 if (change) {
340 ac97->regs[reg] = value;
341 ac97->bus->ops->write(ac97, reg, value);
342 }
343 set_bit(reg, ac97->reg_accessed);
344 mutex_unlock(&ac97->reg_mutex);
345 return change;
346 }
347
348 EXPORT_SYMBOL(snd_ac97_update);
349
350 /**
351 * snd_ac97_update_bits - update the bits on the given register
352 * @ac97: the ac97 instance
353 * @reg: the register to change
354 * @mask: the bit-mask to change
355 * @value: the value to set
356 *
357 * Updates the masked-bits on the given register only when the value
358 * is changed.
359 *
360 * Returns 1 if the bits are changed, 0 if no change, or a negative
361 * code on failure.
362 */
363 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
364 {
365 int change;
366
367 if (!snd_ac97_valid_reg(ac97, reg))
368 return -EINVAL;
369 mutex_lock(&ac97->reg_mutex);
370 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
371 mutex_unlock(&ac97->reg_mutex);
372 return change;
373 }
374
375 EXPORT_SYMBOL(snd_ac97_update_bits);
376
377 /* no lock version - see snd_ac97_updat_bits() */
378 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
379 unsigned short mask, unsigned short value)
380 {
381 int change;
382 unsigned short old, new;
383
384 old = snd_ac97_read_cache(ac97, reg);
385 new = (old & ~mask) | value;
386 change = old != new;
387 if (change) {
388 ac97->regs[reg] = new;
389 ac97->bus->ops->write(ac97, reg, new);
390 }
391 set_bit(reg, ac97->reg_accessed);
392 return change;
393 }
394
395 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
396 {
397 int change;
398 unsigned short old, new, cfg;
399
400 mutex_lock(&ac97->page_mutex);
401 old = ac97->spec.ad18xx.pcmreg[codec];
402 new = (old & ~mask) | value;
403 change = old != new;
404 if (change) {
405 mutex_lock(&ac97->reg_mutex);
406 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
407 ac97->spec.ad18xx.pcmreg[codec] = new;
408 /* select single codec */
409 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
410 (cfg & ~0x7000) |
411 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
412 /* update PCM bits */
413 ac97->bus->ops->write(ac97, AC97_PCM, new);
414 /* select all codecs */
415 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
416 cfg | 0x7000);
417 mutex_unlock(&ac97->reg_mutex);
418 }
419 mutex_unlock(&ac97->page_mutex);
420 return change;
421 }
422
423 /*
424 * Controls
425 */
426
427 int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
428 {
429 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
430
431 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
432 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
433 uinfo->value.enumerated.items = e->mask;
434
435 if (uinfo->value.enumerated.item > e->mask - 1)
436 uinfo->value.enumerated.item = e->mask - 1;
437 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
438 return 0;
439 }
440
441 int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
442 {
443 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
444 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
445 unsigned short val, bitmask;
446
447 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
448 ;
449 val = snd_ac97_read_cache(ac97, e->reg);
450 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
451 if (e->shift_l != e->shift_r)
452 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
453
454 return 0;
455 }
456
457 int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
458 {
459 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
460 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
461 unsigned short val;
462 unsigned short mask, bitmask;
463
464 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
465 ;
466 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
467 return -EINVAL;
468 val = ucontrol->value.enumerated.item[0] << e->shift_l;
469 mask = (bitmask - 1) << e->shift_l;
470 if (e->shift_l != e->shift_r) {
471 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
472 return -EINVAL;
473 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
474 mask |= (bitmask - 1) << e->shift_r;
475 }
476 return snd_ac97_update_bits(ac97, e->reg, mask, val);
477 }
478
479 /* save/restore ac97 v2.3 paging */
480 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
481 {
482 int page_save = -1;
483 if ((kcontrol->private_value & (1<<25)) &&
484 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
485 (reg >= 0x60 && reg < 0x70)) {
486 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
487 mutex_lock(&ac97->page_mutex); /* lock paging */
488 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
489 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
490 }
491 return page_save;
492 }
493
494 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
495 {
496 if (page_save >= 0) {
497 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
498 mutex_unlock(&ac97->page_mutex); /* unlock paging */
499 }
500 }
501
502 /* volume and switch controls */
503 int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
504 {
505 int mask = (kcontrol->private_value >> 16) & 0xff;
506 int shift = (kcontrol->private_value >> 8) & 0x0f;
507 int rshift = (kcontrol->private_value >> 12) & 0x0f;
508
509 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
510 uinfo->count = shift == rshift ? 1 : 2;
511 uinfo->value.integer.min = 0;
512 uinfo->value.integer.max = mask;
513 return 0;
514 }
515
516 int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
517 {
518 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
519 int reg = kcontrol->private_value & 0xff;
520 int shift = (kcontrol->private_value >> 8) & 0x0f;
521 int rshift = (kcontrol->private_value >> 12) & 0x0f;
522 int mask = (kcontrol->private_value >> 16) & 0xff;
523 int invert = (kcontrol->private_value >> 24) & 0x01;
524 int page_save;
525
526 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
527 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
528 if (shift != rshift)
529 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
530 if (invert) {
531 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
532 if (shift != rshift)
533 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
534 }
535 snd_ac97_page_restore(ac97, page_save);
536 return 0;
537 }
538
539 int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
540 {
541 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
542 int reg = kcontrol->private_value & 0xff;
543 int shift = (kcontrol->private_value >> 8) & 0x0f;
544 int rshift = (kcontrol->private_value >> 12) & 0x0f;
545 int mask = (kcontrol->private_value >> 16) & 0xff;
546 int invert = (kcontrol->private_value >> 24) & 0x01;
547 int err, page_save;
548 unsigned short val, val2, val_mask;
549
550 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
551 val = (ucontrol->value.integer.value[0] & mask);
552 if (invert)
553 val = mask - val;
554 val_mask = mask << shift;
555 val = val << shift;
556 if (shift != rshift) {
557 val2 = (ucontrol->value.integer.value[1] & mask);
558 if (invert)
559 val2 = mask - val2;
560 val_mask |= mask << rshift;
561 val |= val2 << rshift;
562 }
563 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
564 snd_ac97_page_restore(ac97, page_save);
565 #ifdef CONFIG_SND_AC97_POWER_SAVE
566 /* check analog mixer power-down */
567 if ((val_mask & 0x8000) &&
568 (kcontrol->private_value & (1<<30))) {
569 if (val & 0x8000)
570 ac97->power_up &= ~(1 << (reg>>1));
571 else
572 ac97->power_up |= 1 << (reg>>1);
573 if (power_save)
574 update_power_regs(ac97);
575 }
576 #endif
577 return err;
578 }
579
580 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
581 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
582 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
583 };
584
585 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
586 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
587 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
588 };
589
590 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
591 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
592 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
593 };
594
595 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
596 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
597
598
599 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
600 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
601 static const char* std_mix[] = {"Mix", "Mic"};
602 static const char* std_mic[] = {"Mic1", "Mic2"};
603
604 static const struct ac97_enum std_enum[] = {
605 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
606 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
607 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
608 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
609 };
610
611 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
612 AC97_ENUM("Capture Source", std_enum[0]);
613
614 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
615 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
616
617 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
618 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
619 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
620 };
621
622 enum {
623 AC97_GENERAL_PCM_OUT = 0,
624 AC97_GENERAL_STEREO_ENHANCEMENT,
625 AC97_GENERAL_3D,
626 AC97_GENERAL_LOUDNESS,
627 AC97_GENERAL_MONO,
628 AC97_GENERAL_MIC,
629 AC97_GENERAL_LOOPBACK
630 };
631
632 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
633 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
634 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
635 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
636 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
637 AC97_ENUM("Mono Output Select", std_enum[2]),
638 AC97_ENUM("Mic Select", std_enum[3]),
639 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
640 };
641
642 const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
643 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
644 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
645 };
646
647 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
648 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
649 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
650 };
651
652 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
653 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
654 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
655 };
656
657 static const struct snd_kcontrol_new snd_ac97_control_eapd =
658 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
659
660 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
661 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
662 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
663 };
664
665 /* change the existing EAPD control as inverted */
666 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
667 {
668 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
669 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
670 ac97->scaps |= AC97_SCAP_INV_EAPD;
671 }
672
673 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
674 {
675 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
676 uinfo->count = 1;
677 return 0;
678 }
679
680 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
681 {
682 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
683 IEC958_AES0_NONAUDIO |
684 IEC958_AES0_CON_EMPHASIS_5015 |
685 IEC958_AES0_CON_NOT_COPYRIGHT;
686 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
687 IEC958_AES1_CON_ORIGINAL;
688 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
689 return 0;
690 }
691
692 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
693 {
694 /* FIXME: AC'97 spec doesn't say which bits are used for what */
695 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
696 IEC958_AES0_NONAUDIO |
697 IEC958_AES0_PRO_FS |
698 IEC958_AES0_PRO_EMPHASIS_5015;
699 return 0;
700 }
701
702 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
703 {
704 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
705
706 mutex_lock(&ac97->reg_mutex);
707 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
708 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
709 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
710 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
711 mutex_unlock(&ac97->reg_mutex);
712 return 0;
713 }
714
715 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
716 {
717 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
718 unsigned int new = 0;
719 unsigned short val = 0;
720 int change;
721
722 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
723 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
724 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
725 switch (new & IEC958_AES0_PRO_FS) {
726 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
727 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
728 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
729 default: val |= 1<<12; break;
730 }
731 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
732 val |= 1<<3;
733 } else {
734 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
735 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
736 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
737 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
738 val |= 1<<3;
739 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
740 val |= 1<<2;
741 val |= ((new >> 8) & 0xff) << 4; // category + original
742 switch ((new >> 24) & 0xff) {
743 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
744 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
745 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
746 default: val |= 1<<12; break;
747 }
748 }
749
750 mutex_lock(&ac97->reg_mutex);
751 change = ac97->spdif_status != new;
752 ac97->spdif_status = new;
753
754 if (ac97->flags & AC97_CS_SPDIF) {
755 int x = (val >> 12) & 0x03;
756 switch (x) {
757 case 0: x = 1; break; // 44.1
758 case 2: x = 0; break; // 48.0
759 default: x = 0; break; // illegal.
760 }
761 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
762 } else if (ac97->flags & AC97_CX_SPDIF) {
763 int v;
764 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
765 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
766 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
767 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
768 v);
769 } else {
770 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
771 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
772
773 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
774 if (extst & AC97_EA_SPDIF) {
775 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
776 }
777 }
778 mutex_unlock(&ac97->reg_mutex);
779
780 return change;
781 }
782
783 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
784 {
785 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
786 int reg = kcontrol->private_value & 0xff;
787 int shift = (kcontrol->private_value >> 8) & 0xff;
788 int mask = (kcontrol->private_value >> 16) & 0xff;
789 // int invert = (kcontrol->private_value >> 24) & 0xff;
790 unsigned short value, old, new;
791 int change;
792
793 value = (ucontrol->value.integer.value[0] & mask);
794
795 mutex_lock(&ac97->reg_mutex);
796 mask <<= shift;
797 value <<= shift;
798 old = snd_ac97_read_cache(ac97, reg);
799 new = (old & ~mask) | value;
800 change = old != new;
801
802 if (change) {
803 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
804 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
805 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
806 if (extst & AC97_EA_SPDIF)
807 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
808 }
809 mutex_unlock(&ac97->reg_mutex);
810 return change;
811 }
812
813 const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
814 {
815 .access = SNDRV_CTL_ELEM_ACCESS_READ,
816 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
817 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
818 .info = snd_ac97_spdif_mask_info,
819 .get = snd_ac97_spdif_cmask_get,
820 },
821 {
822 .access = SNDRV_CTL_ELEM_ACCESS_READ,
823 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
824 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
825 .info = snd_ac97_spdif_mask_info,
826 .get = snd_ac97_spdif_pmask_get,
827 },
828 {
829 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
830 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
831 .info = snd_ac97_spdif_mask_info,
832 .get = snd_ac97_spdif_default_get,
833 .put = snd_ac97_spdif_default_put,
834 },
835
836 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
837 {
838 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
839 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
840 .info = snd_ac97_info_volsw,
841 .get = snd_ac97_get_volsw,
842 .put = snd_ac97_put_spsa,
843 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
844 },
845 };
846
847 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
848 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
849 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
850 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
851
852 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
853 {
854 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
855 int mask = (kcontrol->private_value >> 16) & 0x0f;
856 int lshift = (kcontrol->private_value >> 8) & 0x0f;
857 int rshift = (kcontrol->private_value >> 12) & 0x0f;
858
859 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
860 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
861 uinfo->count = 2;
862 else
863 uinfo->count = 1;
864 uinfo->value.integer.min = 0;
865 uinfo->value.integer.max = mask;
866 return 0;
867 }
868
869 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
870 {
871 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
872 int codec = kcontrol->private_value & 3;
873 int lshift = (kcontrol->private_value >> 8) & 0x0f;
874 int rshift = (kcontrol->private_value >> 12) & 0x0f;
875 int mask = (kcontrol->private_value >> 16) & 0xff;
876
877 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
878 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
879 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
880 return 0;
881 }
882
883 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
884 {
885 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
886 int codec = kcontrol->private_value & 3;
887 int lshift = (kcontrol->private_value >> 8) & 0x0f;
888 int rshift = (kcontrol->private_value >> 12) & 0x0f;
889 int mask = (kcontrol->private_value >> 16) & 0xff;
890 unsigned short val, valmask;
891
892 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
893 valmask = mask << lshift;
894 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
895 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
896 valmask |= mask << rshift;
897 }
898 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
899 }
900
901 #define AD18XX_PCM_VOLUME(xname, codec) \
902 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
903 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
904 .private_value = codec }
905
906 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
907 {
908 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
909 uinfo->count = 2;
910 uinfo->value.integer.min = 0;
911 uinfo->value.integer.max = 31;
912 return 0;
913 }
914
915 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
916 {
917 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
918 int codec = kcontrol->private_value & 3;
919
920 mutex_lock(&ac97->page_mutex);
921 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
922 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
923 mutex_unlock(&ac97->page_mutex);
924 return 0;
925 }
926
927 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
928 {
929 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
930 int codec = kcontrol->private_value & 3;
931 unsigned short val1, val2;
932
933 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
934 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
935 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
936 }
937
938 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
939 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
940 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
941 };
942
943 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
944 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
945 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
946 };
947
948 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
949 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
950 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
951 };
952
953 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
954 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
955 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
956 };
957
958 /*
959 *
960 */
961
962 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
963
964 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
965 {
966 if (bus) {
967 snd_ac97_bus_proc_done(bus);
968 kfree(bus->pcms);
969 if (bus->private_free)
970 bus->private_free(bus);
971 kfree(bus);
972 }
973 return 0;
974 }
975
976 static int snd_ac97_bus_dev_free(struct snd_device *device)
977 {
978 struct snd_ac97_bus *bus = device->device_data;
979 return snd_ac97_bus_free(bus);
980 }
981
982 static int snd_ac97_free(struct snd_ac97 *ac97)
983 {
984 if (ac97) {
985 #ifdef CONFIG_SND_AC97_POWER_SAVE
986 if (ac97->power_workq)
987 destroy_workqueue(ac97->power_workq);
988 #endif
989 snd_ac97_proc_done(ac97);
990 if (ac97->bus)
991 ac97->bus->codec[ac97->num] = NULL;
992 if (ac97->private_free)
993 ac97->private_free(ac97);
994 kfree(ac97);
995 }
996 return 0;
997 }
998
999 static int snd_ac97_dev_free(struct snd_device *device)
1000 {
1001 struct snd_ac97 *ac97 = device->device_data;
1002 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1003 return snd_ac97_free(ac97);
1004 }
1005
1006 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1007 {
1008 unsigned short val, mask = 0x8000;
1009
1010 if (! snd_ac97_valid_reg(ac97, reg))
1011 return 0;
1012
1013 switch (reg) {
1014 case AC97_MASTER_TONE:
1015 return ac97->caps & 0x04 ? 1 : 0;
1016 case AC97_HEADPHONE:
1017 return ac97->caps & 0x10 ? 1 : 0;
1018 case AC97_REC_GAIN_MIC:
1019 return ac97->caps & 0x01 ? 1 : 0;
1020 case AC97_3D_CONTROL:
1021 if (ac97->caps & 0x7c00) {
1022 val = snd_ac97_read(ac97, reg);
1023 /* if nonzero - fixed and we can't set it */
1024 return val == 0;
1025 }
1026 return 0;
1027 case AC97_CENTER_LFE_MASTER: /* center */
1028 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1029 return 0;
1030 break;
1031 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1032 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1033 return 0;
1034 reg = AC97_CENTER_LFE_MASTER;
1035 mask = 0x0080;
1036 break;
1037 case AC97_SURROUND_MASTER:
1038 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1039 return 0;
1040 break;
1041 }
1042
1043 val = snd_ac97_read(ac97, reg);
1044 if (!(val & mask)) {
1045 /* nothing seems to be here - mute flag is not set */
1046 /* try another test */
1047 snd_ac97_write_cache(ac97, reg, val | mask);
1048 val = snd_ac97_read(ac97, reg);
1049 val = snd_ac97_read(ac97, reg);
1050 if (!(val & mask))
1051 return 0; /* nothing here */
1052 }
1053 return 1; /* success, useable */
1054 }
1055
1056 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1057 {
1058 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1059 unsigned char max[3] = { 63, 31, 15 };
1060 int i;
1061
1062 /* first look up the static resolution table */
1063 if (ac97->res_table) {
1064 const struct snd_ac97_res_table *tbl;
1065 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1066 if (tbl->reg == reg) {
1067 *lo_max = tbl->bits & 0xff;
1068 *hi_max = (tbl->bits >> 8) & 0xff;
1069 return;
1070 }
1071 }
1072 }
1073
1074 *lo_max = *hi_max = 0;
1075 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1076 unsigned short val;
1077 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
1078 /* Do the read twice due to buffers on some ac97 codecs.
1079 * e.g. The STAC9704 returns exactly what you wrote the the register
1080 * if you read it immediately. This causes the detect routine to fail.
1081 */
1082 val = snd_ac97_read(ac97, reg);
1083 val = snd_ac97_read(ac97, reg);
1084 if (! *lo_max && (val & 0x7f) == cbit[i])
1085 *lo_max = max[i];
1086 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1087 *hi_max = max[i];
1088 if (*lo_max && *hi_max)
1089 break;
1090 }
1091 }
1092
1093 int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1094 {
1095 unsigned short mask, val, orig, res;
1096
1097 mask = 1 << bit;
1098 orig = snd_ac97_read(ac97, reg);
1099 val = orig ^ mask;
1100 snd_ac97_write(ac97, reg, val);
1101 res = snd_ac97_read(ac97, reg);
1102 snd_ac97_write_cache(ac97, reg, orig);
1103 return res == val;
1104 }
1105
1106 /* check the volume resolution of center/lfe */
1107 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1108 {
1109 unsigned short val, val1;
1110
1111 *max = 63;
1112 val = 0x8080 | (0x20 << shift);
1113 snd_ac97_write(ac97, reg, val);
1114 val1 = snd_ac97_read(ac97, reg);
1115 if (val != val1) {
1116 *max = 31;
1117 }
1118 /* reset volume to zero */
1119 snd_ac97_write_cache(ac97, reg, 0x8080);
1120 }
1121
1122 static inline int printable(unsigned int x)
1123 {
1124 x &= 0xff;
1125 if (x < ' ' || x >= 0x71) {
1126 if (x <= 0x89)
1127 return x - 0x71 + 'A';
1128 return '?';
1129 }
1130 return x;
1131 }
1132
1133 struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1134 {
1135 struct snd_kcontrol_new template;
1136 memcpy(&template, _template, sizeof(template));
1137 template.index = ac97->num;
1138 return snd_ctl_new1(&template, ac97);
1139 }
1140
1141 /*
1142 * create mute switch(es) for normal stereo controls
1143 */
1144 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1145 int check_stereo, int check_amix,
1146 struct snd_ac97 *ac97)
1147 {
1148 struct snd_kcontrol *kctl;
1149 int err;
1150 unsigned short val, val1, mute_mask;
1151
1152 if (! snd_ac97_valid_reg(ac97, reg))
1153 return 0;
1154
1155 mute_mask = 0x8000;
1156 val = snd_ac97_read(ac97, reg);
1157 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1158 /* check whether both mute bits work */
1159 val1 = val | 0x8080;
1160 snd_ac97_write(ac97, reg, val1);
1161 if (val1 == snd_ac97_read(ac97, reg))
1162 mute_mask = 0x8080;
1163 }
1164 if (mute_mask == 0x8080) {
1165 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1166 if (check_amix)
1167 tmp.private_value |= (1 << 30);
1168 tmp.index = ac97->num;
1169 kctl = snd_ctl_new1(&tmp, ac97);
1170 } else {
1171 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1172 if (check_amix)
1173 tmp.private_value |= (1 << 30);
1174 tmp.index = ac97->num;
1175 kctl = snd_ctl_new1(&tmp, ac97);
1176 }
1177 err = snd_ctl_add(card, kctl);
1178 if (err < 0)
1179 return err;
1180 /* mute as default */
1181 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1182 return 0;
1183 }
1184
1185 /*
1186 * set dB information
1187 */
1188 static DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1189 static DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1190 static DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1191 static DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1192 static DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1193
1194 static unsigned int *find_db_scale(unsigned int maxval)
1195 {
1196 switch (maxval) {
1197 case 0x0f: return db_scale_4bit;
1198 case 0x1f: return db_scale_5bit;
1199 case 0x3f: return db_scale_6bit;
1200 }
1201 return NULL;
1202 }
1203
1204 static void set_tlv_db_scale(struct snd_kcontrol *kctl, unsigned int *tlv)
1205 {
1206 kctl->tlv.p = tlv;
1207 if (tlv)
1208 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1209 }
1210
1211 /*
1212 * create a volume for normal stereo/mono controls
1213 */
1214 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1215 unsigned int hi_max, struct snd_ac97 *ac97)
1216 {
1217 int err;
1218 struct snd_kcontrol *kctl;
1219
1220 if (! snd_ac97_valid_reg(ac97, reg))
1221 return 0;
1222 if (hi_max) {
1223 /* invert */
1224 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1225 tmp.index = ac97->num;
1226 kctl = snd_ctl_new1(&tmp, ac97);
1227 } else {
1228 /* invert */
1229 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1230 tmp.index = ac97->num;
1231 kctl = snd_ctl_new1(&tmp, ac97);
1232 }
1233 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1234 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1235 else
1236 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1237 err = snd_ctl_add(card, kctl);
1238 if (err < 0)
1239 return err;
1240 snd_ac97_write_cache(ac97, reg,
1241 (snd_ac97_read(ac97, reg) & 0x8080) |
1242 lo_max | (hi_max << 8));
1243 return 0;
1244 }
1245
1246 /*
1247 * create a mute-switch and a volume for normal stereo/mono controls
1248 */
1249 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1250 int reg, int check_stereo, int check_amix,
1251 struct snd_ac97 *ac97)
1252 {
1253 int err;
1254 char name[44];
1255 unsigned char lo_max, hi_max;
1256
1257 if (! snd_ac97_valid_reg(ac97, reg))
1258 return 0;
1259
1260 if (snd_ac97_try_bit(ac97, reg, 15)) {
1261 sprintf(name, "%s Switch", pfx);
1262 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1263 check_stereo, check_amix,
1264 ac97)) < 0)
1265 return err;
1266 }
1267 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1268 if (lo_max) {
1269 sprintf(name, "%s Volume", pfx);
1270 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1271 return err;
1272 }
1273 return 0;
1274 }
1275
1276 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1277 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1278 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1279 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1280
1281 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1282
1283 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1284 {
1285 struct snd_card *card = ac97->bus->card;
1286 struct snd_kcontrol *kctl;
1287 int err;
1288 unsigned int idx;
1289 unsigned char max;
1290
1291 /* build master controls */
1292 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1293 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1294 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1295 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1296 AC97_MASTER, 0, ac97);
1297 else
1298 err = snd_ac97_cmix_new(card, "Master Playback",
1299 AC97_MASTER, 0, ac97);
1300 if (err < 0)
1301 return err;
1302 }
1303
1304 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1305
1306 /* build center controls */
1307 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1308 && !(ac97->flags & AC97_AD_MULTI)) {
1309 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1310 return err;
1311 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1312 return err;
1313 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1314 kctl->private_value &= ~(0xff << 16);
1315 kctl->private_value |= (int)max << 16;
1316 set_tlv_db_scale(kctl, find_db_scale(max));
1317 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1318 }
1319
1320 /* build LFE controls */
1321 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1322 && !(ac97->flags & AC97_AD_MULTI)) {
1323 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1324 return err;
1325 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1326 return err;
1327 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1328 kctl->private_value &= ~(0xff << 16);
1329 kctl->private_value |= (int)max << 16;
1330 set_tlv_db_scale(kctl, find_db_scale(max));
1331 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1332 }
1333
1334 /* build surround controls */
1335 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1336 && !(ac97->flags & AC97_AD_MULTI)) {
1337 /* Surround Master (0x38) is with stereo mutes */
1338 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1339 AC97_SURROUND_MASTER, 1, 0,
1340 ac97)) < 0)
1341 return err;
1342 }
1343
1344 /* build headphone controls */
1345 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1346 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1347 AC97_HEADPHONE, 0, ac97)) < 0)
1348 return err;
1349 }
1350
1351 /* build master mono controls */
1352 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1353 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1354 AC97_MASTER_MONO, 0, ac97)) < 0)
1355 return err;
1356 }
1357
1358 /* build master tone controls */
1359 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1360 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1361 for (idx = 0; idx < 2; idx++) {
1362 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1363 return err;
1364 if (ac97->id == AC97_ID_YMF753) {
1365 kctl->private_value &= ~(0xff << 16);
1366 kctl->private_value |= 7 << 16;
1367 }
1368 }
1369 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1370 }
1371 }
1372
1373 /* build PC Speaker controls */
1374 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1375 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1376 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1377 for (idx = 0; idx < 2; idx++)
1378 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1379 return err;
1380 set_tlv_db_scale(kctl, db_scale_4bit);
1381 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1382 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1383 }
1384
1385 /* build Phone controls */
1386 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1387 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1388 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1389 AC97_PHONE, 1, ac97)) < 0)
1390 return err;
1391 }
1392 }
1393
1394 /* build MIC controls */
1395 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1396 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1397 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1398 AC97_MIC, 1, ac97)) < 0)
1399 return err;
1400 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1401 return err;
1402 }
1403 }
1404
1405 /* build Line controls */
1406 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1407 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1408 AC97_LINE, 1, ac97)) < 0)
1409 return err;
1410 }
1411
1412 /* build CD controls */
1413 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1414 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1415 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1416 AC97_CD, 1, ac97)) < 0)
1417 return err;
1418 }
1419 }
1420
1421 /* build Video controls */
1422 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1423 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1424 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1425 AC97_VIDEO, 1, ac97)) < 0)
1426 return err;
1427 }
1428 }
1429
1430 /* build Aux controls */
1431 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1432 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1433 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1434 AC97_AUX, 1, ac97)) < 0)
1435 return err;
1436 }
1437 }
1438
1439 /* build PCM controls */
1440 if (ac97->flags & AC97_AD_MULTI) {
1441 unsigned short init_val;
1442 if (ac97->flags & AC97_STEREO_MUTES)
1443 init_val = 0x9f9f;
1444 else
1445 init_val = 0x9f1f;
1446 for (idx = 0; idx < 2; idx++)
1447 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1448 return err;
1449 set_tlv_db_scale(kctl, db_scale_5bit);
1450 ac97->spec.ad18xx.pcmreg[0] = init_val;
1451 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1452 for (idx = 0; idx < 2; idx++)
1453 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1454 return err;
1455 set_tlv_db_scale(kctl, db_scale_5bit);
1456 ac97->spec.ad18xx.pcmreg[1] = init_val;
1457 }
1458 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1459 for (idx = 0; idx < 2; idx++)
1460 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1461 return err;
1462 set_tlv_db_scale(kctl, db_scale_5bit);
1463 for (idx = 0; idx < 2; idx++)
1464 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1465 return err;
1466 set_tlv_db_scale(kctl, db_scale_5bit);
1467 ac97->spec.ad18xx.pcmreg[2] = init_val;
1468 }
1469 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1470 } else {
1471 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1472 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1473 err = snd_ac97_cmute_new(card,
1474 "PCM Playback Switch",
1475 AC97_PCM, 0, ac97);
1476 else
1477 err = snd_ac97_cmix_new(card, "PCM Playback",
1478 AC97_PCM, 0, ac97);
1479 if (err < 0)
1480 return err;
1481 }
1482 }
1483
1484 /* build Capture controls */
1485 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1486 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1487 return err;
1488 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1489 err = snd_ac97_cmute_new(card, "Capture Switch",
1490 AC97_REC_GAIN, 0, ac97);
1491 if (err < 0)
1492 return err;
1493 }
1494 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1495 return err;
1496 set_tlv_db_scale(kctl, db_scale_rec_gain);
1497 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1498 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1499 }
1500 /* build MIC Capture controls */
1501 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1502 for (idx = 0; idx < 2; idx++)
1503 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1504 return err;
1505 set_tlv_db_scale(kctl, db_scale_rec_gain);
1506 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1507 }
1508
1509 /* build PCM out path & mute control */
1510 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1511 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1512 return err;
1513 }
1514
1515 /* build Simulated Stereo Enhancement control */
1516 if (ac97->caps & 0x0008) {
1517 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1518 return err;
1519 }
1520
1521 /* build 3D Stereo Enhancement control */
1522 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1523 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1524 return err;
1525 }
1526
1527 /* build Loudness control */
1528 if (ac97->caps & 0x0020) {
1529 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1530 return err;
1531 }
1532
1533 /* build Mono output select control */
1534 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1535 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1536 return err;
1537 }
1538
1539 /* build Mic select control */
1540 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1541 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1542 return err;
1543 }
1544
1545 /* build ADC/DAC loopback control */
1546 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1547 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1548 return err;
1549 }
1550
1551 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1552
1553 /* build 3D controls */
1554 if (ac97->build_ops->build_3d) {
1555 ac97->build_ops->build_3d(ac97);
1556 } else {
1557 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1558 unsigned short val;
1559 val = 0x0707;
1560 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1561 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1562 val = val == 0x0606;
1563 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1564 return err;
1565 if (val)
1566 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1567 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1568 return err;
1569 if (val)
1570 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1571 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1572 }
1573 }
1574
1575 /* build S/PDIF controls */
1576
1577 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1578 if (ac97->subsystem_vendor == 0x1043 &&
1579 ac97->subsystem_device == 0x810f)
1580 ac97->ext_id |= AC97_EI_SPDIF;
1581
1582 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1583 if (ac97->build_ops->build_spdif) {
1584 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1585 return err;
1586 } else {
1587 for (idx = 0; idx < 5; idx++)
1588 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1589 return err;
1590 if (ac97->build_ops->build_post_spdif) {
1591 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1592 return err;
1593 }
1594 /* set default PCM S/PDIF params */
1595 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1596 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1597 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1598 }
1599 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1600 }
1601
1602 /* build chip specific controls */
1603 if (ac97->build_ops->build_specific)
1604 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1605 return err;
1606
1607 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1608 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1609 if (! kctl)
1610 return -ENOMEM;
1611 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1612 set_inv_eapd(ac97, kctl);
1613 if ((err = snd_ctl_add(card, kctl)) < 0)
1614 return err;
1615 }
1616
1617 return 0;
1618 }
1619
1620 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1621 {
1622 int err, idx;
1623
1624 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1625 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1626 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1627 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1628 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1629 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1630
1631 /* build modem switches */
1632 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1633 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1634 return err;
1635
1636 /* build chip specific controls */
1637 if (ac97->build_ops->build_specific)
1638 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1639 return err;
1640
1641 return 0;
1642 }
1643
1644 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1645 {
1646 unsigned short val;
1647 unsigned int tmp;
1648
1649 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1650 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1651 if (shadow_reg)
1652 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1653 val = snd_ac97_read(ac97, reg);
1654 return val == (tmp & 0xffff);
1655 }
1656
1657 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1658 {
1659 unsigned int result = 0;
1660 unsigned short saved;
1661
1662 if (ac97->bus->no_vra) {
1663 *r_result = SNDRV_PCM_RATE_48000;
1664 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1665 reg == AC97_PCM_FRONT_DAC_RATE)
1666 *r_result |= SNDRV_PCM_RATE_96000;
1667 return;
1668 }
1669
1670 saved = snd_ac97_read(ac97, reg);
1671 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1672 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1673 AC97_EA_DRA, 0);
1674 /* test a non-standard rate */
1675 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1676 result |= SNDRV_PCM_RATE_CONTINUOUS;
1677 /* let's try to obtain standard rates */
1678 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1679 result |= SNDRV_PCM_RATE_8000;
1680 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1681 result |= SNDRV_PCM_RATE_11025;
1682 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1683 result |= SNDRV_PCM_RATE_16000;
1684 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1685 result |= SNDRV_PCM_RATE_22050;
1686 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1687 result |= SNDRV_PCM_RATE_32000;
1688 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1689 result |= SNDRV_PCM_RATE_44100;
1690 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1691 result |= SNDRV_PCM_RATE_48000;
1692 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1693 reg == AC97_PCM_FRONT_DAC_RATE) {
1694 /* test standard double rates */
1695 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1696 AC97_EA_DRA, AC97_EA_DRA);
1697 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1698 result |= SNDRV_PCM_RATE_64000;
1699 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1700 result |= SNDRV_PCM_RATE_88200;
1701 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1702 result |= SNDRV_PCM_RATE_96000;
1703 /* some codecs don't support variable double rates */
1704 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1705 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1706 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1707 AC97_EA_DRA, 0);
1708 }
1709 /* restore the default value */
1710 snd_ac97_write_cache(ac97, reg, saved);
1711 if (shadow_reg)
1712 snd_ac97_write_cache(ac97, shadow_reg, saved);
1713 *r_result = result;
1714 }
1715
1716 /* check AC97_SPDIF register to accept which sample rates */
1717 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1718 {
1719 unsigned int result = 0;
1720 int i;
1721 static unsigned short ctl_bits[] = {
1722 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1723 };
1724 static unsigned int rate_bits[] = {
1725 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1726 };
1727
1728 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1729 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1730 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1731 result |= rate_bits[i];
1732 }
1733 return result;
1734 }
1735
1736 /* look for the codec id table matching with the given id */
1737 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1738 unsigned int id)
1739 {
1740 const struct ac97_codec_id *pid;
1741
1742 for (pid = table; pid->id; pid++)
1743 if (pid->id == (id & pid->mask))
1744 return pid;
1745 return NULL;
1746 }
1747
1748 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1749 {
1750 const struct ac97_codec_id *pid;
1751
1752 sprintf(name, "0x%x %c%c%c", id,
1753 printable(id >> 24),
1754 printable(id >> 16),
1755 printable(id >> 8));
1756 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1757 if (! pid)
1758 return;
1759
1760 strcpy(name, pid->name);
1761 if (ac97 && pid->patch) {
1762 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1763 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1764 pid->patch(ac97);
1765 }
1766
1767 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1768 if (pid) {
1769 strcat(name, " ");
1770 strcat(name, pid->name);
1771 if (pid->mask != 0xffffffff)
1772 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1773 if (ac97 && pid->patch) {
1774 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1775 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1776 pid->patch(ac97);
1777 }
1778 } else
1779 sprintf(name + strlen(name), " id %x", id & 0xff);
1780 }
1781
1782 /**
1783 * snd_ac97_get_short_name - retrieve codec name
1784 * @ac97: the codec instance
1785 *
1786 * Returns the short identifying name of the codec.
1787 */
1788 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1789 {
1790 const struct ac97_codec_id *pid;
1791
1792 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1793 if (pid->id == (ac97->id & pid->mask))
1794 return pid->name;
1795 return "unknown codec";
1796 }
1797
1798 EXPORT_SYMBOL(snd_ac97_get_short_name);
1799
1800 /* wait for a while until registers are accessible after RESET
1801 * return 0 if ok, negative not ready
1802 */
1803 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1804 {
1805 unsigned long end_time;
1806 unsigned short val;
1807
1808 end_time = jiffies + timeout;
1809 do {
1810
1811 /* use preliminary reads to settle the communication */
1812 snd_ac97_read(ac97, AC97_RESET);
1813 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1814 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1815 /* modem? */
1816 if (with_modem) {
1817 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1818 if (val != 0xffff && (val & 1) != 0)
1819 return 0;
1820 }
1821 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1822 /* probably only Xbox issue - all registers are read as zero */
1823 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1824 if (val != 0 && val != 0xffff)
1825 return 0;
1826 } else {
1827 /* because the PCM or MASTER volume registers can be modified,
1828 * the REC_GAIN register is used for tests
1829 */
1830 /* test if we can write to the record gain volume register */
1831 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1832 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1833 return 0;
1834 }
1835 schedule_timeout_uninterruptible(1);
1836 } while (time_after_eq(end_time, jiffies));
1837 return -ENODEV;
1838 }
1839
1840 /**
1841 * snd_ac97_bus - create an AC97 bus component
1842 * @card: the card instance
1843 * @num: the bus number
1844 * @ops: the bus callbacks table
1845 * @private_data: private data pointer for the new instance
1846 * @rbus: the pointer to store the new AC97 bus instance.
1847 *
1848 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1849 * allocated and initialized.
1850 *
1851 * The ops table must include valid callbacks (at least read and
1852 * write). The other callbacks, wait and reset, are not mandatory.
1853 *
1854 * The clock is set to 48000. If another clock is needed, set
1855 * (*rbus)->clock manually.
1856 *
1857 * The AC97 bus instance is registered as a low-level device, so you don't
1858 * have to release it manually.
1859 *
1860 * Returns zero if successful, or a negative error code on failure.
1861 */
1862 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1863 void *private_data, struct snd_ac97_bus **rbus)
1864 {
1865 int err;
1866 struct snd_ac97_bus *bus;
1867 static struct snd_device_ops dev_ops = {
1868 .dev_free = snd_ac97_bus_dev_free,
1869 };
1870
1871 snd_assert(card != NULL, return -EINVAL);
1872 snd_assert(rbus != NULL, return -EINVAL);
1873 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1874 if (bus == NULL)
1875 return -ENOMEM;
1876 bus->card = card;
1877 bus->num = num;
1878 bus->ops = ops;
1879 bus->private_data = private_data;
1880 bus->clock = 48000;
1881 spin_lock_init(&bus->bus_lock);
1882 snd_ac97_bus_proc_init(bus);
1883 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1884 snd_ac97_bus_free(bus);
1885 return err;
1886 }
1887 *rbus = bus;
1888 return 0;
1889 }
1890
1891 EXPORT_SYMBOL(snd_ac97_bus);
1892
1893 /* stop no dev release warning */
1894 static void ac97_device_release(struct device * dev)
1895 {
1896 }
1897
1898 /* register ac97 codec to bus */
1899 static int snd_ac97_dev_register(struct snd_device *device)
1900 {
1901 struct snd_ac97 *ac97 = device->device_data;
1902 int err;
1903
1904 ac97->dev.bus = &ac97_bus_type;
1905 ac97->dev.parent = ac97->bus->card->dev;
1906 ac97->dev.release = ac97_device_release;
1907 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1908 ac97->bus->card->number, ac97->num,
1909 snd_ac97_get_short_name(ac97));
1910 if ((err = device_register(&ac97->dev)) < 0) {
1911 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1912 ac97->dev.bus = NULL;
1913 return err;
1914 }
1915 return 0;
1916 }
1917
1918 /* disconnect ac97 codec */
1919 static int snd_ac97_dev_disconnect(struct snd_device *device)
1920 {
1921 struct snd_ac97 *ac97 = device->device_data;
1922 if (ac97->dev.bus)
1923 device_unregister(&ac97->dev);
1924 return 0;
1925 }
1926
1927 /* build_ops to do nothing */
1928 static struct snd_ac97_build_ops null_build_ops;
1929
1930 #ifdef CONFIG_SND_AC97_POWER_SAVE
1931 static void do_update_power(void *data)
1932 {
1933 update_power_regs(data);
1934 }
1935 #endif
1936
1937 /**
1938 * snd_ac97_mixer - create an Codec97 component
1939 * @bus: the AC97 bus which codec is attached to
1940 * @template: the template of ac97, including index, callbacks and
1941 * the private data.
1942 * @rac97: the pointer to store the new ac97 instance.
1943 *
1944 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1945 * allocated and initialized from the template. The codec
1946 * is then initialized by the standard procedure.
1947 *
1948 * The template must include the codec number (num) and address (addr),
1949 * and the private data (private_data).
1950 *
1951 * The ac97 instance is registered as a low-level device, so you don't
1952 * have to release it manually.
1953 *
1954 * Returns zero if successful, or a negative error code on failure.
1955 */
1956 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1957 {
1958 int err;
1959 struct snd_ac97 *ac97;
1960 struct snd_card *card;
1961 char name[64];
1962 unsigned long end_time;
1963 unsigned int reg;
1964 const struct ac97_codec_id *pid;
1965 static struct snd_device_ops ops = {
1966 .dev_free = snd_ac97_dev_free,
1967 .dev_register = snd_ac97_dev_register,
1968 .dev_disconnect = snd_ac97_dev_disconnect,
1969 };
1970
1971 snd_assert(rac97 != NULL, return -EINVAL);
1972 *rac97 = NULL;
1973 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1974 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1975
1976 card = bus->card;
1977 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1978 if (ac97 == NULL)
1979 return -ENOMEM;
1980 ac97->private_data = template->private_data;
1981 ac97->private_free = template->private_free;
1982 ac97->bus = bus;
1983 ac97->pci = template->pci;
1984 ac97->num = template->num;
1985 ac97->addr = template->addr;
1986 ac97->scaps = template->scaps;
1987 ac97->res_table = template->res_table;
1988 bus->codec[ac97->num] = ac97;
1989 mutex_init(&ac97->reg_mutex);
1990 mutex_init(&ac97->page_mutex);
1991 #ifdef CONFIG_SND_AC97_POWER_SAVE
1992 ac97->power_workq = create_workqueue("ac97");
1993 INIT_WORK(&ac97->power_work, do_update_power, ac97);
1994 #endif
1995
1996 #ifdef CONFIG_PCI
1997 if (ac97->pci) {
1998 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1999 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2000 }
2001 #endif
2002 if (bus->ops->reset) {
2003 bus->ops->reset(ac97);
2004 goto __access_ok;
2005 }
2006
2007 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2008 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2009 if (ac97->id && ac97->id != (unsigned int)-1) {
2010 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2011 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2012 goto __access_ok;
2013 }
2014
2015 /* reset to defaults */
2016 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2017 snd_ac97_write(ac97, AC97_RESET, 0);
2018 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2019 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2020 if (bus->ops->wait)
2021 bus->ops->wait(ac97);
2022 else {
2023 udelay(50);
2024 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2025 err = ac97_reset_wait(ac97, HZ/2, 1);
2026 else {
2027 err = ac97_reset_wait(ac97, HZ/2, 0);
2028 if (err < 0)
2029 err = ac97_reset_wait(ac97, HZ/2, 1);
2030 }
2031 if (err < 0) {
2032 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
2033 /* proceed anyway - it's often non-critical */
2034 }
2035 }
2036 __access_ok:
2037 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2038 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2039 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2040 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2041 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
2042 snd_ac97_free(ac97);
2043 return -EIO;
2044 }
2045 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2046 if (pid)
2047 ac97->flags |= pid->flags;
2048
2049 /* test for AC'97 */
2050 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2051 /* test if we can write to the record gain volume register */
2052 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2053 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2054 ac97->scaps |= AC97_SCAP_AUDIO;
2055 }
2056 if (ac97->scaps & AC97_SCAP_AUDIO) {
2057 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2058 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2059 if (ac97->ext_id == 0xffff) /* invalid combination */
2060 ac97->ext_id = 0;
2061 }
2062
2063 /* test for MC'97 */
2064 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2065 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2066 if (ac97->ext_mid == 0xffff) /* invalid combination */
2067 ac97->ext_mid = 0;
2068 if (ac97->ext_mid & 1)
2069 ac97->scaps |= AC97_SCAP_MODEM;
2070 }
2071
2072 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2073 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2074 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2075 snd_ac97_free(ac97);
2076 return -EACCES;
2077 }
2078
2079 if (bus->ops->reset) // FIXME: always skipping?
2080 goto __ready_ok;
2081
2082 /* FIXME: add powerdown control */
2083 if (ac97_is_audio(ac97)) {
2084 /* nothing should be in powerdown mode */
2085 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2086 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2087 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2088 udelay(100);
2089 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2090 }
2091 /* nothing should be in powerdown mode */
2092 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2093 end_time = jiffies + (HZ / 10);
2094 do {
2095 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2096 goto __ready_ok;
2097 schedule_timeout_uninterruptible(1);
2098 } while (time_after_eq(end_time, jiffies));
2099 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2100 }
2101
2102 /* FIXME: add powerdown control */
2103 if (ac97_is_modem(ac97)) {
2104 unsigned char tmp;
2105
2106 /* nothing should be in powerdown mode */
2107 /* note: it's important to set the rate at first */
2108 tmp = AC97_MEA_GPIO;
2109 if (ac97->ext_mid & AC97_MEI_LINE1) {
2110 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2111 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2112 }
2113 if (ac97->ext_mid & AC97_MEI_LINE2) {
2114 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2115 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2116 }
2117 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2118 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2119 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2120 }
2121 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2122 udelay(100);
2123 /* nothing should be in powerdown mode */
2124 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2125 end_time = jiffies + (HZ / 10);
2126 do {
2127 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2128 goto __ready_ok;
2129 schedule_timeout_uninterruptible(1);
2130 } while (time_after_eq(end_time, jiffies));
2131 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2132 }
2133
2134 __ready_ok:
2135 if (ac97_is_audio(ac97))
2136 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2137 else
2138 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2139 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2140 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2141 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2142 if (! bus->no_vra)
2143 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2144 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2145 }
2146 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2147 /* Intel controllers require double rate data to be put in
2148 * slots 7+8, so let's hope the codec supports it. */
2149 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2150 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2151 ac97->flags |= AC97_DOUBLE_RATE;
2152 /* restore to slots 10/11 to avoid the confliction with surrounds */
2153 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2154 }
2155 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2156 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2157 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2158 } else {
2159 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2160 if (ac97->flags & AC97_DOUBLE_RATE)
2161 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2162 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2163 }
2164 if (ac97->ext_id & AC97_EI_SPDIF) {
2165 /* codec specific code (patch) should override these values */
2166 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2167 }
2168 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2169 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2170 } else {
2171 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2172 }
2173 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2174 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2175 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2176 }
2177 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2178 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2179 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2180 }
2181 /* additional initializations */
2182 if (bus->ops->init)
2183 bus->ops->init(ac97);
2184 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2185 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2186 if (! ac97->build_ops)
2187 ac97->build_ops = &null_build_ops;
2188
2189 if (ac97_is_audio(ac97)) {
2190 char comp[16];
2191 if (card->mixername[0] == '\0') {
2192 strcpy(card->mixername, name);
2193 } else {
2194 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2195 strcat(card->mixername, ",");
2196 strcat(card->mixername, name);
2197 }
2198 }
2199 sprintf(comp, "AC97a:%08x", ac97->id);
2200 if ((err = snd_component_add(card, comp)) < 0) {
2201 snd_ac97_free(ac97);
2202 return err;
2203 }
2204 if (snd_ac97_mixer_build(ac97) < 0) {
2205 snd_ac97_free(ac97);
2206 return -ENOMEM;
2207 }
2208 }
2209 if (ac97_is_modem(ac97)) {
2210 char comp[16];
2211 if (card->mixername[0] == '\0') {
2212 strcpy(card->mixername, name);
2213 } else {
2214 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2215 strcat(card->mixername, ",");
2216 strcat(card->mixername, name);
2217 }
2218 }
2219 sprintf(comp, "AC97m:%08x", ac97->id);
2220 if ((err = snd_component_add(card, comp)) < 0) {
2221 snd_ac97_free(ac97);
2222 return err;
2223 }
2224 if (snd_ac97_modem_build(card, ac97) < 0) {
2225 snd_ac97_free(ac97);
2226 return -ENOMEM;
2227 }
2228 }
2229 if (ac97_is_audio(ac97))
2230 update_power_regs(ac97);
2231 snd_ac97_proc_init(ac97);
2232 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2233 snd_ac97_free(ac97);
2234 return err;
2235 }
2236 *rac97 = ac97;
2237 return 0;
2238 }
2239
2240 EXPORT_SYMBOL(snd_ac97_mixer);
2241
2242 /*
2243 * Power down the chip.
2244 *
2245 * MASTER and HEADPHONE registers are muted but the register cache values
2246 * are not changed, so that the values can be restored in snd_ac97_resume().
2247 */
2248 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2249 {
2250 unsigned short power;
2251
2252 if (ac97_is_audio(ac97)) {
2253 /* some codecs have stereo mute bits */
2254 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2255 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2256 }
2257
2258 /* surround, CLFE, mic powerdown */
2259 power = ac97->regs[AC97_EXTENDED_STATUS];
2260 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2261 power |= AC97_EA_PRJ;
2262 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2263 power |= AC97_EA_PRI | AC97_EA_PRK;
2264 power |= AC97_EA_PRL;
2265 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2266
2267 /* powerdown external amplifier */
2268 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2269 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2270 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2271 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2272 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2273 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
2274 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2275 udelay(100);
2276 power |= AC97_PD_PR2 | AC97_PD_PR3; /* Analog Mixer powerdown */
2277 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2278 #ifdef CONFIG_SND_AC97_POWER_SAVE
2279 if (power_save) {
2280 udelay(100);
2281 /* AC-link powerdown, internal Clk disable */
2282 /* FIXME: this may cause click noises on some boards */
2283 power |= AC97_PD_PR4 | AC97_PD_PR5;
2284 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2285 }
2286 #endif
2287 }
2288
2289
2290 struct ac97_power_reg {
2291 unsigned short reg;
2292 unsigned short power_reg;
2293 unsigned short mask;
2294 };
2295
2296 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2297
2298 static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2299 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2300 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2301 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2302 AC97_EA_PRI | AC97_EA_PRK},
2303 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2304 AC97_EA_PRJ},
2305 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2306 AC97_EA_PRL},
2307 };
2308
2309 #ifdef CONFIG_SND_AC97_POWER_SAVE
2310 /**
2311 * snd_ac97_update_power - update the powerdown register
2312 * @ac97: the codec instance
2313 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2314 * @powerup: non-zero when power up the part
2315 *
2316 * Update the AC97 powerdown register bits of the given part.
2317 */
2318 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2319 {
2320 int i;
2321
2322 if (! ac97)
2323 return 0;
2324
2325 if (reg) {
2326 /* SPDIF requires DAC power, too */
2327 if (reg == AC97_SPDIF)
2328 reg = AC97_PCM_FRONT_DAC_RATE;
2329 for (i = 0; i < PWIDX_SIZE; i++) {
2330 if (power_regs[i].reg == reg) {
2331 if (powerup)
2332 ac97->power_up |= (1 << i);
2333 else
2334 ac97->power_up &= ~(1 << i);
2335 break;
2336 }
2337 }
2338 }
2339
2340 if (! power_save)
2341 return 0;
2342
2343 if (! powerup && ac97->power_workq)
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 queue_delayed_work(ac97->power_workq, &ac97->power_work, HZ*2);
2349 else
2350 update_power_regs(ac97);
2351
2352 return 0;
2353 }
2354
2355 EXPORT_SYMBOL(snd_ac97_update_power);
2356 #endif /* CONFIG_SND_AC97_POWER_SAVE */
2357
2358 static void update_power_regs(struct snd_ac97 *ac97)
2359 {
2360 unsigned int power_up, bits;
2361 int i;
2362
2363 #ifdef CONFIG_SND_AC97_POWER_SAVE
2364 if (power_save)
2365 power_up = ac97->power_up;
2366 else {
2367 #endif
2368 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2369 power_up |= (1 << PWIDX_MIC);
2370 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2371 power_up |= (1 << PWIDX_SURR);
2372 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2373 power_up |= (1 << PWIDX_CLFE);
2374 #ifdef CONFIG_SND_AC97_POWER_SAVE
2375 }
2376 #endif
2377 if (power_up) {
2378 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2379 /* needs power-up analog mix and vref */
2380 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2381 AC97_PD_PR3, 0);
2382 msleep(1);
2383 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2384 AC97_PD_PR2, 0);
2385 }
2386 }
2387 for (i = 0; i < PWIDX_SIZE; i++) {
2388 if (power_up & (1 << i))
2389 bits = 0;
2390 else
2391 bits = power_regs[i].mask;
2392 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2393 power_regs[i].mask, bits);
2394 }
2395 if (! power_up) {
2396 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2397 /* power down analog mix and vref */
2398 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2399 AC97_PD_PR2, AC97_PD_PR2);
2400 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2401 AC97_PD_PR3, AC97_PD_PR3);
2402 }
2403 }
2404 }
2405
2406
2407 #ifdef CONFIG_PM
2408 /**
2409 * snd_ac97_suspend - General suspend function for AC97 codec
2410 * @ac97: the ac97 instance
2411 *
2412 * Suspends the codec, power down the chip.
2413 */
2414 void snd_ac97_suspend(struct snd_ac97 *ac97)
2415 {
2416 if (! ac97)
2417 return;
2418 if (ac97->build_ops->suspend)
2419 ac97->build_ops->suspend(ac97);
2420 snd_ac97_powerdown(ac97);
2421 }
2422
2423 EXPORT_SYMBOL(snd_ac97_suspend);
2424
2425 /*
2426 * restore ac97 status
2427 */
2428 void snd_ac97_restore_status(struct snd_ac97 *ac97)
2429 {
2430 int i;
2431
2432 for (i = 2; i < 0x7c ; i += 2) {
2433 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2434 continue;
2435 /* restore only accessible registers
2436 * some chip (e.g. nm256) may hang up when unsupported registers
2437 * are accessed..!
2438 */
2439 if (test_bit(i, ac97->reg_accessed)) {
2440 snd_ac97_write(ac97, i, ac97->regs[i]);
2441 snd_ac97_read(ac97, i);
2442 }
2443 }
2444 }
2445
2446 /*
2447 * restore IEC958 status
2448 */
2449 void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2450 {
2451 if (ac97->ext_id & AC97_EI_SPDIF) {
2452 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2453 /* reset spdif status */
2454 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2455 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2456 if (ac97->flags & AC97_CS_SPDIF)
2457 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2458 else
2459 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2460 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2461 }
2462 }
2463 }
2464
2465 /**
2466 * snd_ac97_resume - General resume function for AC97 codec
2467 * @ac97: the ac97 instance
2468 *
2469 * Do the standard resume procedure, power up and restoring the
2470 * old register values.
2471 */
2472 void snd_ac97_resume(struct snd_ac97 *ac97)
2473 {
2474 unsigned long end_time;
2475
2476 if (! ac97)
2477 return;
2478
2479 if (ac97->bus->ops->reset) {
2480 ac97->bus->ops->reset(ac97);
2481 goto __reset_ready;
2482 }
2483
2484 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2485 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2486 snd_ac97_write(ac97, AC97_RESET, 0);
2487 udelay(100);
2488 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2489 }
2490 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2491
2492 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2493 if (ac97_is_audio(ac97)) {
2494 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2495 end_time = jiffies + msecs_to_jiffies(100);
2496 do {
2497 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2498 break;
2499 schedule_timeout_uninterruptible(1);
2500 } while (time_after_eq(end_time, jiffies));
2501 /* FIXME: extra delay */
2502 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2503 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2504 msleep(250);
2505 } else {
2506 end_time = jiffies + msecs_to_jiffies(100);
2507 do {
2508 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2509 if (val != 0xffff && (val & 1) != 0)
2510 break;
2511 schedule_timeout_uninterruptible(1);
2512 } while (time_after_eq(end_time, jiffies));
2513 }
2514 __reset_ready:
2515
2516 if (ac97->bus->ops->init)
2517 ac97->bus->ops->init(ac97);
2518
2519 if (ac97->build_ops->resume)
2520 ac97->build_ops->resume(ac97);
2521 else {
2522 snd_ac97_restore_status(ac97);
2523 snd_ac97_restore_iec958(ac97);
2524 }
2525 }
2526
2527 EXPORT_SYMBOL(snd_ac97_resume);
2528 #endif
2529
2530
2531 /*
2532 * Hardware tuning
2533 */
2534 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2535 {
2536 if (suffix)
2537 sprintf(dst, "%s %s", src, suffix);
2538 else
2539 strcpy(dst, src);
2540 }
2541
2542 /* remove the control with the given name and optional suffix */
2543 int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
2544 {
2545 struct snd_ctl_elem_id id;
2546 memset(&id, 0, sizeof(id));
2547 set_ctl_name(id.name, name, suffix);
2548 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2549 return snd_ctl_remove_id(ac97->bus->card, &id);
2550 }
2551
2552 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2553 {
2554 struct snd_ctl_elem_id sid;
2555 memset(&sid, 0, sizeof(sid));
2556 set_ctl_name(sid.name, name, suffix);
2557 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2558 return snd_ctl_find_id(ac97->bus->card, &sid);
2559 }
2560
2561 /* rename the control with the given name and optional suffix */
2562 int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
2563 {
2564 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2565 if (kctl) {
2566 set_ctl_name(kctl->id.name, dst, suffix);
2567 return 0;
2568 }
2569 return -ENOENT;
2570 }
2571
2572 /* rename both Volume and Switch controls - don't check the return value */
2573 void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
2574 {
2575 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2576 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2577 }
2578
2579 /* swap controls */
2580 int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
2581 {
2582 struct snd_kcontrol *kctl1, *kctl2;
2583 kctl1 = ctl_find(ac97, s1, suffix);
2584 kctl2 = ctl_find(ac97, s2, suffix);
2585 if (kctl1 && kctl2) {
2586 set_ctl_name(kctl1->id.name, s2, suffix);
2587 set_ctl_name(kctl2->id.name, s1, suffix);
2588 return 0;
2589 }
2590 return -ENOENT;
2591 }
2592
2593 #if 1
2594 /* bind hp and master controls instead of using only hp control */
2595 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2596 {
2597 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2598 if (err > 0) {
2599 unsigned long priv_saved = kcontrol->private_value;
2600 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2601 snd_ac97_put_volsw(kcontrol, ucontrol);
2602 kcontrol->private_value = priv_saved;
2603 }
2604 return err;
2605 }
2606
2607 /* ac97 tune: bind Master and Headphone controls */
2608 static int tune_hp_only(struct snd_ac97 *ac97)
2609 {
2610 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2611 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2612 if (! msw || ! mvol)
2613 return -ENOENT;
2614 msw->put = bind_hp_volsw_put;
2615 mvol->put = bind_hp_volsw_put;
2616 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2617 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2618 return 0;
2619 }
2620
2621 #else
2622 /* ac97 tune: use Headphone control as master */
2623 static int tune_hp_only(struct snd_ac97 *ac97)
2624 {
2625 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2626 return -ENOENT;
2627 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2628 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2629 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2630 return 0;
2631 }
2632 #endif
2633
2634 /* ac97 tune: swap Headphone and Master controls */
2635 static int tune_swap_hp(struct snd_ac97 *ac97)
2636 {
2637 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2638 return -ENOENT;
2639 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2640 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2641 return 0;
2642 }
2643
2644 /* ac97 tune: swap Surround and Master controls */
2645 static int tune_swap_surround(struct snd_ac97 *ac97)
2646 {
2647 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2648 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2649 return -ENOENT;
2650 return 0;
2651 }
2652
2653 /* ac97 tune: set up mic sharing for AD codecs */
2654 static int tune_ad_sharing(struct snd_ac97 *ac97)
2655 {
2656 unsigned short scfg;
2657 if ((ac97->id & 0xffffff00) != 0x41445300) {
2658 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2659 return -EINVAL;
2660 }
2661 /* Turn on OMS bit to route microphone to back panel */
2662 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2663 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2664 return 0;
2665 }
2666
2667 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2668 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2669
2670 /* ac97 tune: set up ALC jack-select */
2671 static int tune_alc_jack(struct snd_ac97 *ac97)
2672 {
2673 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2674 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2675 return -EINVAL;
2676 }
2677 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2678 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2679 if (ac97->id == AC97_ID_ALC658D)
2680 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2681 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2682 }
2683
2684 /* ac97 tune: inversed EAPD bit */
2685 static int tune_inv_eapd(struct snd_ac97 *ac97)
2686 {
2687 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2688 if (! kctl)
2689 return -ENOENT;
2690 set_inv_eapd(ac97, kctl);
2691 return 0;
2692 }
2693
2694 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2695 {
2696 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2697 if (err > 0) {
2698 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2699 int shift = (kcontrol->private_value >> 8) & 0x0f;
2700 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2701 unsigned short mask;
2702 if (shift != rshift)
2703 mask = 0x8080;
2704 else
2705 mask = 0x8000;
2706 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2707 (ac97->regs[AC97_MASTER] & mask) == mask ?
2708 0x8000 : 0);
2709 }
2710 return err;
2711 }
2712
2713 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2714 static int tune_mute_led(struct snd_ac97 *ac97)
2715 {
2716 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2717 if (! msw)
2718 return -ENOENT;
2719 msw->put = master_mute_sw_put;
2720 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2721 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2722 ac97->scaps |= AC97_SCAP_EAPD_LED;
2723 return 0;
2724 }
2725
2726 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2727 struct snd_ctl_elem_value *ucontrol)
2728 {
2729 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2730 if (err > 0) {
2731 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2732 int shift = (kcontrol->private_value >> 8) & 0x0f;
2733 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2734 unsigned short mask;
2735 if (shift != rshift)
2736 mask = 0x8080;
2737 else
2738 mask = 0x8000;
2739 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2740 (ac97->regs[AC97_MASTER] & mask) == mask ?
2741 0x8000 : 0);
2742 }
2743 return err;
2744 }
2745
2746 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2747 {
2748 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2749 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2750 if (! msw || ! mvol)
2751 return -ENOENT;
2752 msw->put = hp_master_mute_sw_put;
2753 mvol->put = bind_hp_volsw_put;
2754 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2755 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2756 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2757 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2758 return 0;
2759 }
2760
2761 struct quirk_table {
2762 const char *name;
2763 int (*func)(struct snd_ac97 *);
2764 };
2765
2766 static struct quirk_table applicable_quirks[] = {
2767 { "none", NULL },
2768 { "hp_only", tune_hp_only },
2769 { "swap_hp", tune_swap_hp },
2770 { "swap_surround", tune_swap_surround },
2771 { "ad_sharing", tune_ad_sharing },
2772 { "alc_jack", tune_alc_jack },
2773 { "inv_eapd", tune_inv_eapd },
2774 { "mute_led", tune_mute_led },
2775 { "hp_mute_led", tune_hp_mute_led },
2776 };
2777
2778 /* apply the quirk with the given type */
2779 static int apply_quirk(struct snd_ac97 *ac97, int type)
2780 {
2781 if (type <= 0)
2782 return 0;
2783 else if (type >= ARRAY_SIZE(applicable_quirks))
2784 return -EINVAL;
2785 if (applicable_quirks[type].func)
2786 return applicable_quirks[type].func(ac97);
2787 return 0;
2788 }
2789
2790 /* apply the quirk with the given name */
2791 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2792 {
2793 int i;
2794 struct quirk_table *q;
2795
2796 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2797 q = &applicable_quirks[i];
2798 if (q->name && ! strcmp(typestr, q->name))
2799 return apply_quirk(ac97, i);
2800 }
2801 /* for compatibility, accept the numbers, too */
2802 if (*typestr >= '0' && *typestr <= '9')
2803 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2804 return -EINVAL;
2805 }
2806
2807 /**
2808 * snd_ac97_tune_hardware - tune up the hardware
2809 * @ac97: the ac97 instance
2810 * @quirk: quirk list
2811 * @override: explicit quirk value (overrides the list if non-NULL)
2812 *
2813 * Do some workaround for each pci device, such as renaming of the
2814 * headphone (true line-out) control as "Master".
2815 * The quirk-list must be terminated with a zero-filled entry.
2816 *
2817 * Returns zero if successful, or a negative error code on failure.
2818 */
2819
2820 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2821 {
2822 int result;
2823
2824 /* quirk overriden? */
2825 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2826 result = apply_quirk_str(ac97, override);
2827 if (result < 0)
2828 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2829 return result;
2830 }
2831
2832 if (! quirk)
2833 return -EINVAL;
2834
2835 for (; quirk->subvendor; quirk++) {
2836 if (quirk->subvendor != ac97->subsystem_vendor)
2837 continue;
2838 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2839 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2840 if (quirk->codec_id && quirk->codec_id != ac97->id)
2841 continue;
2842 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2843 result = apply_quirk(ac97, quirk->type);
2844 if (result < 0)
2845 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2846 return result;
2847 }
2848 }
2849 return 0;
2850 }
2851
2852 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2853
2854 /*
2855 * INIT part
2856 */
2857
2858 static int __init alsa_ac97_init(void)
2859 {
2860 return 0;
2861 }
2862
2863 static void __exit alsa_ac97_exit(void)
2864 {
2865 }
2866
2867 module_init(alsa_ac97_init)
2868 module_exit(alsa_ac97_exit)
CJK support for tty framebuffer vt