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WIP FPC-III support
[linux/fpc-iii.git] / sound / pci / ac97 / ac97_codec.c
blob012a7ee849e8aad424e82752c73250b5d0a0d845
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 * Universal interface for Audio Codec '97
5 *
6 * For more details look to AC '97 component specification revision 2.2
7 * by Intel Corporation (http://developer.intel.com).
8 */
9
10 #include <linux/delay.h>
11 #include <linux/init.h>
12 #include <linux/slab.h>
13 #include <linux/pci.h>
14 #include <linux/module.h>
15 #include <linux/mutex.h>
16 #include <sound/core.h>
17 #include <sound/pcm.h>
18 #include <sound/tlv.h>
19 #include <sound/ac97_codec.h>
20 #include <sound/asoundef.h>
21 #include <sound/initval.h>
22 #include "ac97_id.h"
23
24 #include "ac97_patch.c"
25
26 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
27 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
28 MODULE_LICENSE("GPL");
29
30 static bool enable_loopback;
31
32 module_param(enable_loopback, bool, 0444);
33 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
34
35 #ifdef CONFIG_SND_AC97_POWER_SAVE
36 static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT;
37 module_param(power_save, int, 0644);
38 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
39 "(in second, 0 = disable).");
40 #endif
41 /*
42
43 */
44
45 struct ac97_codec_id {
46 unsigned int id;
47 unsigned int mask;
48 const char *name;
49 int (*patch)(struct snd_ac97 *ac97);
50 int (*mpatch)(struct snd_ac97 *ac97);
51 unsigned int flags;
52 };
53
54 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
55 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
56 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
57 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
58 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
59 /*
60 * This is an _inofficial_ Aztech Labs entry
61 * (value might differ from unknown official Aztech ID),
62 * currently used by the AC97 emulation of the almost-AC97 PCI168 card.
63 */
64 { 0x415a5400, 0xffffff00, "Aztech Labs (emulated)", NULL, NULL },
65 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
66 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
67 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
68 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
69 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
70 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
71 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
72 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
73 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
74 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
75 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
76 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
77 { 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL },
78 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
79 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
80 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
81 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
82 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
83 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
84 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
85 { 0, 0, NULL, NULL, NULL }
86 };
87
88 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
89 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
90 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
91 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
92 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
93 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
94 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
95 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
96 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
97 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
98 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
99 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
100 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
101 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL },
102 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
103 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
104 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
105 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
106 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
107 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
108 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
109 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
110 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
111 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
112 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
113 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
114 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
115 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
116 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
117 { 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL },
118 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
119 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
120 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
121 { 0x415a5401, 0xffffffff, "AZF3328", patch_aztech_azf3328, NULL },
122 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
123 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
124 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
125 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL },
126 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL },
127 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL },
128 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
129 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
130 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
131 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
132 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
133 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
134 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
135 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
136 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
137 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
138 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
139 { 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL },
140 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL },
141 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
142 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
143 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
144 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
145 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
146 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
147 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
148 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
149 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
150 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
151 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
152 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
153 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
154 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
155 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
156 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
157 { 0x53544d02, 0xffffffff, "ST7597", NULL, NULL },
158 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
159 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL },
160 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
161 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
162 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
163 { 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL },
164 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
165 { 0x56494120, 0xfffffff0, "VIA1613", patch_vt1613, NULL },
166 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
167 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
168 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL },
169 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
170 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL },
171 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
172 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
173 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
174 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
175 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL},
176 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
177 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL },
178 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
179 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
180 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
181 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
182 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
183 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
184 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
185 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
186 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
187 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
188 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
189 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
190 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
191 { 0, 0, NULL, NULL, NULL }
192 };
193
194
195 static void update_power_regs(struct snd_ac97 *ac97);
196 #ifdef CONFIG_SND_AC97_POWER_SAVE
197 #define ac97_is_power_save_mode(ac97) \
198 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
199 #else
200 #define ac97_is_power_save_mode(ac97) 0
201 #endif
202
203 #define ac97_err(ac97, fmt, args...) \
204 dev_err((ac97)->bus->card->dev, fmt, ##args)
205 #define ac97_warn(ac97, fmt, args...) \
206 dev_warn((ac97)->bus->card->dev, fmt, ##args)
207 #define ac97_dbg(ac97, fmt, args...) \
208 dev_dbg((ac97)->bus->card->dev, fmt, ##args)
209
210 /*
211 * I/O routines
212 */
213
214 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
215 {
216 /* filter some registers for buggy codecs */
217 switch (ac97->id) {
218 case AC97_ID_ST_AC97_ID4:
219 if (reg == 0x08)
220 return 0;
221 fallthrough;
222 case AC97_ID_ST7597:
223 if (reg == 0x22 || reg == 0x7a)
224 return 1;
225 fallthrough;
226 case AC97_ID_AK4540:
227 case AC97_ID_AK4542:
228 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
229 return 1;
230 return 0;
231 case AC97_ID_AD1819: /* AD1819 */
232 case AC97_ID_AD1881: /* AD1881 */
233 case AC97_ID_AD1881A: /* AD1881A */
234 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
235 return 0;
236 return 1;
237 case AC97_ID_AD1885: /* AD1885 */
238 case AC97_ID_AD1886: /* AD1886 */
239 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
240 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
241 if (reg == 0x5a)
242 return 1;
243 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
244 return 0;
245 return 1;
246 case AC97_ID_STAC9700:
247 case AC97_ID_STAC9704:
248 case AC97_ID_STAC9705:
249 case AC97_ID_STAC9708:
250 case AC97_ID_STAC9721:
251 case AC97_ID_STAC9744:
252 case AC97_ID_STAC9756:
253 if (reg <= 0x3a || reg >= 0x5a)
254 return 1;
255 return 0;
256 }
257 return 1;
258 }
259
260 /**
261 * snd_ac97_write - write a value on the given register
262 * @ac97: the ac97 instance
263 * @reg: the register to change
264 * @value: the value to set
265 *
266 * Writes a value on the given register. This will invoke the write
267 * callback directly after the register check.
268 * This function doesn't change the register cache unlike
269 * #snd_ca97_write_cache(), so use this only when you don't want to
270 * reflect the change to the suspend/resume state.
271 */
272 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
273 {
274 if (!snd_ac97_valid_reg(ac97, reg))
275 return;
276 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
277 /* Fix H/W bug of ALC100/100P */
278 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
279 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
280 }
281 ac97->bus->ops->write(ac97, reg, value);
282 }
283
284 EXPORT_SYMBOL(snd_ac97_write);
285
286 /**
287 * snd_ac97_read - read a value from the given register
288 *
289 * @ac97: the ac97 instance
290 * @reg: the register to read
291 *
292 * Reads a value from the given register. This will invoke the read
293 * callback directly after the register check.
294 *
295 * Return: The read value.
296 */
297 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
298 {
299 if (!snd_ac97_valid_reg(ac97, reg))
300 return 0;
301 return ac97->bus->ops->read(ac97, reg);
302 }
303
304 /* read a register - return the cached value if already read */
305 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
306 {
307 if (! test_bit(reg, ac97->reg_accessed)) {
308 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
309 // set_bit(reg, ac97->reg_accessed);
310 }
311 return ac97->regs[reg];
312 }
313
314 EXPORT_SYMBOL(snd_ac97_read);
315
316 /**
317 * snd_ac97_write_cache - write a value on the given register and update the cache
318 * @ac97: the ac97 instance
319 * @reg: the register to change
320 * @value: the value to set
321 *
322 * Writes a value on the given register and updates the register
323 * cache. The cached values are used for the cached-read and the
324 * suspend/resume.
325 */
326 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
327 {
328 if (!snd_ac97_valid_reg(ac97, reg))
329 return;
330 mutex_lock(&ac97->reg_mutex);
331 ac97->regs[reg] = value;
332 ac97->bus->ops->write(ac97, reg, value);
333 set_bit(reg, ac97->reg_accessed);
334 mutex_unlock(&ac97->reg_mutex);
335 }
336
337 EXPORT_SYMBOL(snd_ac97_write_cache);
338
339 /**
340 * snd_ac97_update - update the value on the given register
341 * @ac97: the ac97 instance
342 * @reg: the register to change
343 * @value: the value to set
344 *
345 * Compares the value with the register cache and updates the value
346 * only when the value is changed.
347 *
348 * Return: 1 if the value is changed, 0 if no change, or a negative
349 * code on failure.
350 */
351 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
352 {
353 int change;
354
355 if (!snd_ac97_valid_reg(ac97, reg))
356 return -EINVAL;
357 mutex_lock(&ac97->reg_mutex);
358 change = ac97->regs[reg] != value;
359 if (change) {
360 ac97->regs[reg] = value;
361 ac97->bus->ops->write(ac97, reg, value);
362 }
363 set_bit(reg, ac97->reg_accessed);
364 mutex_unlock(&ac97->reg_mutex);
365 return change;
366 }
367
368 EXPORT_SYMBOL(snd_ac97_update);
369
370 /**
371 * snd_ac97_update_bits - update the bits on the given register
372 * @ac97: the ac97 instance
373 * @reg: the register to change
374 * @mask: the bit-mask to change
375 * @value: the value to set
376 *
377 * Updates the masked-bits on the given register only when the value
378 * is changed.
379 *
380 * Return: 1 if the bits are changed, 0 if no change, or a negative
381 * code on failure.
382 */
383 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
384 {
385 int change;
386
387 if (!snd_ac97_valid_reg(ac97, reg))
388 return -EINVAL;
389 mutex_lock(&ac97->reg_mutex);
390 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
391 mutex_unlock(&ac97->reg_mutex);
392 return change;
393 }
394
395 EXPORT_SYMBOL(snd_ac97_update_bits);
396
397 /* no lock version - see snd_ac97_update_bits() */
398 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
399 unsigned short mask, unsigned short value)
400 {
401 int change;
402 unsigned short old, new;
403
404 old = snd_ac97_read_cache(ac97, reg);
405 new = (old & ~mask) | (value & mask);
406 change = old != new;
407 if (change) {
408 ac97->regs[reg] = new;
409 ac97->bus->ops->write(ac97, reg, new);
410 }
411 set_bit(reg, ac97->reg_accessed);
412 return change;
413 }
414
415 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
416 {
417 int change;
418 unsigned short old, new, cfg;
419
420 mutex_lock(&ac97->page_mutex);
421 old = ac97->spec.ad18xx.pcmreg[codec];
422 new = (old & ~mask) | (value & mask);
423 change = old != new;
424 if (change) {
425 mutex_lock(&ac97->reg_mutex);
426 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
427 ac97->spec.ad18xx.pcmreg[codec] = new;
428 /* select single codec */
429 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
430 (cfg & ~0x7000) |
431 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
432 /* update PCM bits */
433 ac97->bus->ops->write(ac97, AC97_PCM, new);
434 /* select all codecs */
435 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
436 cfg | 0x7000);
437 mutex_unlock(&ac97->reg_mutex);
438 }
439 mutex_unlock(&ac97->page_mutex);
440 return change;
441 }
442
443 /*
444 * Controls
445 */
446
447 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
448 struct snd_ctl_elem_info *uinfo)
449 {
450 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
451
452 return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2,
453 e->mask, e->texts);
454 }
455
456 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
457 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, bitmask;
462
463 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
464 ;
465 val = snd_ac97_read_cache(ac97, e->reg);
466 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
467 if (e->shift_l != e->shift_r)
468 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
469
470 return 0;
471 }
472
473 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
474 struct snd_ctl_elem_value *ucontrol)
475 {
476 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
477 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
478 unsigned short val;
479 unsigned short mask, bitmask;
480
481 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
482 ;
483 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
484 return -EINVAL;
485 val = ucontrol->value.enumerated.item[0] << e->shift_l;
486 mask = (bitmask - 1) << e->shift_l;
487 if (e->shift_l != e->shift_r) {
488 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
489 return -EINVAL;
490 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
491 mask |= (bitmask - 1) << e->shift_r;
492 }
493 return snd_ac97_update_bits(ac97, e->reg, mask, val);
494 }
495
496 /* save/restore ac97 v2.3 paging */
497 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
498 {
499 int page_save = -1;
500 if ((kcontrol->private_value & (1<<25)) &&
501 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
502 (reg >= 0x60 && reg < 0x70)) {
503 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
504 mutex_lock(&ac97->page_mutex); /* lock paging */
505 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
506 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
507 }
508 return page_save;
509 }
510
511 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
512 {
513 if (page_save >= 0) {
514 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
515 mutex_unlock(&ac97->page_mutex); /* unlock paging */
516 }
517 }
518
519 /* volume and switch controls */
520 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
521 struct snd_ctl_elem_info *uinfo)
522 {
523 int mask = (kcontrol->private_value >> 16) & 0xff;
524 int shift = (kcontrol->private_value >> 8) & 0x0f;
525 int rshift = (kcontrol->private_value >> 12) & 0x0f;
526
527 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
528 uinfo->count = shift == rshift ? 1 : 2;
529 uinfo->value.integer.min = 0;
530 uinfo->value.integer.max = mask;
531 return 0;
532 }
533
534 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
535 struct snd_ctl_elem_value *ucontrol)
536 {
537 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
538 int reg = kcontrol->private_value & 0xff;
539 int shift = (kcontrol->private_value >> 8) & 0x0f;
540 int rshift = (kcontrol->private_value >> 12) & 0x0f;
541 int mask = (kcontrol->private_value >> 16) & 0xff;
542 int invert = (kcontrol->private_value >> 24) & 0x01;
543 int page_save;
544
545 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
546 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
547 if (shift != rshift)
548 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
549 if (invert) {
550 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
551 if (shift != rshift)
552 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
553 }
554 snd_ac97_page_restore(ac97, page_save);
555 return 0;
556 }
557
558 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
559 struct snd_ctl_elem_value *ucontrol)
560 {
561 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
562 int reg = kcontrol->private_value & 0xff;
563 int shift = (kcontrol->private_value >> 8) & 0x0f;
564 int rshift = (kcontrol->private_value >> 12) & 0x0f;
565 int mask = (kcontrol->private_value >> 16) & 0xff;
566 int invert = (kcontrol->private_value >> 24) & 0x01;
567 int err, page_save;
568 unsigned short val, val2, val_mask;
569
570 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
571 val = (ucontrol->value.integer.value[0] & mask);
572 if (invert)
573 val = mask - val;
574 val_mask = mask << shift;
575 val = val << shift;
576 if (shift != rshift) {
577 val2 = (ucontrol->value.integer.value[1] & mask);
578 if (invert)
579 val2 = mask - val2;
580 val_mask |= mask << rshift;
581 val |= val2 << rshift;
582 }
583 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
584 snd_ac97_page_restore(ac97, page_save);
585 #ifdef CONFIG_SND_AC97_POWER_SAVE
586 /* check analog mixer power-down */
587 if ((val_mask & AC97_PD_EAPD) &&
588 (kcontrol->private_value & (1<<30))) {
589 if (val & AC97_PD_EAPD)
590 ac97->power_up &= ~(1 << (reg>>1));
591 else
592 ac97->power_up |= 1 << (reg>>1);
593 update_power_regs(ac97);
594 }
595 #endif
596 return err;
597 }
598
599 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
600 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
601 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
602 };
603
604 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
605 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
606 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1)
607 };
608
609 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
610 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
611
612
613 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
614 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
615 static const char* std_mix[] = {"Mix", "Mic"};
616 static const char* std_mic[] = {"Mic1", "Mic2"};
617
618 static const struct ac97_enum std_enum[] = {
619 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
621 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
622 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
623 };
624
625 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
626 AC97_ENUM("Capture Source", std_enum[0]);
627
628 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
629 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
630
631 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
632 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
633 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
634 };
635
636 enum {
637 AC97_GENERAL_PCM_OUT = 0,
638 AC97_GENERAL_STEREO_ENHANCEMENT,
639 AC97_GENERAL_3D,
640 AC97_GENERAL_LOUDNESS,
641 AC97_GENERAL_MONO,
642 AC97_GENERAL_MIC,
643 AC97_GENERAL_LOOPBACK
644 };
645
646 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
647 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
648 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
649 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
650 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
651 AC97_ENUM("Mono Output Select", std_enum[2]),
652 AC97_ENUM("Mic Select", std_enum[3]),
653 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
654 };
655
656 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
657 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
658 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
659 };
660
661 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
662 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
663 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
664 };
665
666 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
667 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
668 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
669 };
670
671 static const struct snd_kcontrol_new snd_ac97_control_eapd =
672 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
673
674 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
675 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
676 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
677 };
678
679 /* change the existing EAPD control as inverted */
680 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
681 {
682 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
683 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
684 ac97->scaps |= AC97_SCAP_INV_EAPD;
685 }
686
687 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
688 {
689 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
690 uinfo->count = 1;
691 return 0;
692 }
693
694 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
695 {
696 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
697 IEC958_AES0_NONAUDIO |
698 IEC958_AES0_CON_EMPHASIS_5015 |
699 IEC958_AES0_CON_NOT_COPYRIGHT;
700 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
701 IEC958_AES1_CON_ORIGINAL;
702 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
703 return 0;
704 }
705
706 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
707 {
708 /* FIXME: AC'97 spec doesn't say which bits are used for what */
709 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
710 IEC958_AES0_NONAUDIO |
711 IEC958_AES0_PRO_FS |
712 IEC958_AES0_PRO_EMPHASIS_5015;
713 return 0;
714 }
715
716 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
717 {
718 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
719
720 mutex_lock(&ac97->reg_mutex);
721 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
722 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
723 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
724 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
725 mutex_unlock(&ac97->reg_mutex);
726 return 0;
727 }
728
729 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
730 {
731 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
732 unsigned int new = 0;
733 unsigned short val = 0;
734 int change;
735
736 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
737 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
738 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
739 switch (new & IEC958_AES0_PRO_FS) {
740 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
741 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
742 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
743 default: val |= 1<<12; break;
744 }
745 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
746 val |= 1<<3;
747 } else {
748 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
749 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
750 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
751 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
752 val |= 1<<3;
753 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
754 val |= 1<<2;
755 val |= ((new >> 8) & 0xff) << 4; // category + original
756 switch ((new >> 24) & 0xff) {
757 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
758 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
759 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
760 default: val |= 1<<12; break;
761 }
762 }
763
764 mutex_lock(&ac97->reg_mutex);
765 change = ac97->spdif_status != new;
766 ac97->spdif_status = new;
767
768 if (ac97->flags & AC97_CS_SPDIF) {
769 int x = (val >> 12) & 0x03;
770 switch (x) {
771 case 0: x = 1; break; // 44.1
772 case 2: x = 0; break; // 48.0
773 default: x = 0; break; // illegal.
774 }
775 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
776 } else if (ac97->flags & AC97_CX_SPDIF) {
777 int v;
778 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
779 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
780 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
781 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
782 v);
783 } else if (ac97->id == AC97_ID_YMF743) {
784 change |= snd_ac97_update_bits_nolock(ac97,
785 AC97_YMF7X3_DIT_CTRL,
786 0xff38,
787 ((val << 4) & 0xff00) |
788 ((val << 2) & 0x0038));
789 } else {
790 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
791 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
792
793 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
794 if (extst & AC97_EA_SPDIF) {
795 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
796 }
797 }
798 mutex_unlock(&ac97->reg_mutex);
799
800 return change;
801 }
802
803 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
804 {
805 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
806 int reg = kcontrol->private_value & 0xff;
807 int shift = (kcontrol->private_value >> 8) & 0x0f;
808 int mask = (kcontrol->private_value >> 16) & 0xff;
809 // int invert = (kcontrol->private_value >> 24) & 0xff;
810 unsigned short value, old, new;
811 int change;
812
813 value = (ucontrol->value.integer.value[0] & mask);
814
815 mutex_lock(&ac97->reg_mutex);
816 mask <<= shift;
817 value <<= shift;
818 old = snd_ac97_read_cache(ac97, reg);
819 new = (old & ~mask) | value;
820 change = old != new;
821
822 if (change) {
823 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
824 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
825 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
826 if (extst & AC97_EA_SPDIF)
827 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
828 }
829 mutex_unlock(&ac97->reg_mutex);
830 return change;
831 }
832
833 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
834 {
835 .access = SNDRV_CTL_ELEM_ACCESS_READ,
836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
838 .info = snd_ac97_spdif_mask_info,
839 .get = snd_ac97_spdif_cmask_get,
840 },
841 {
842 .access = SNDRV_CTL_ELEM_ACCESS_READ,
843 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
844 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
845 .info = snd_ac97_spdif_mask_info,
846 .get = snd_ac97_spdif_pmask_get,
847 },
848 {
849 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
850 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
851 .info = snd_ac97_spdif_mask_info,
852 .get = snd_ac97_spdif_default_get,
853 .put = snd_ac97_spdif_default_put,
854 },
855
856 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
857 {
858 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
859 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
860 .info = snd_ac97_info_volsw,
861 .get = snd_ac97_get_volsw,
862 .put = snd_ac97_put_spsa,
863 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
864 },
865 };
866
867 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
868 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
869 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
870 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
871
872 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
873 {
874 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
875 int mask = (kcontrol->private_value >> 16) & 0x0f;
876 int lshift = (kcontrol->private_value >> 8) & 0x0f;
877 int rshift = (kcontrol->private_value >> 12) & 0x0f;
878
879 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
880 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
881 uinfo->count = 2;
882 else
883 uinfo->count = 1;
884 uinfo->value.integer.min = 0;
885 uinfo->value.integer.max = mask;
886 return 0;
887 }
888
889 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
890 {
891 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
892 int codec = kcontrol->private_value & 3;
893 int lshift = (kcontrol->private_value >> 8) & 0x0f;
894 int rshift = (kcontrol->private_value >> 12) & 0x0f;
895 int mask = (kcontrol->private_value >> 16) & 0xff;
896
897 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
899 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
900 return 0;
901 }
902
903 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
904 {
905 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
906 int codec = kcontrol->private_value & 3;
907 int lshift = (kcontrol->private_value >> 8) & 0x0f;
908 int rshift = (kcontrol->private_value >> 12) & 0x0f;
909 int mask = (kcontrol->private_value >> 16) & 0xff;
910 unsigned short val, valmask;
911
912 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
913 valmask = mask << lshift;
914 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
915 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
916 valmask |= mask << rshift;
917 }
918 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
919 }
920
921 #define AD18XX_PCM_VOLUME(xname, codec) \
922 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
923 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
924 .private_value = codec }
925
926 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
927 {
928 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
929 uinfo->count = 2;
930 uinfo->value.integer.min = 0;
931 uinfo->value.integer.max = 31;
932 return 0;
933 }
934
935 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
936 {
937 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
938 int codec = kcontrol->private_value & 3;
939
940 mutex_lock(&ac97->page_mutex);
941 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
942 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
943 mutex_unlock(&ac97->page_mutex);
944 return 0;
945 }
946
947 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
948 {
949 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
950 int codec = kcontrol->private_value & 3;
951 unsigned short val1, val2;
952
953 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
954 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
955 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
956 }
957
958 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
959 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
960 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
961 };
962
963 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
964 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
965 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
966 };
967
968 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
969 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
970 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
971 };
972
973 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
974 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
975 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
976 };
977
978 /*
979 *
980 */
981
982 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
983
984 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
985 {
986 if (bus) {
987 snd_ac97_bus_proc_done(bus);
988 kfree(bus->pcms);
989 if (bus->private_free)
990 bus->private_free(bus);
991 kfree(bus);
992 }
993 return 0;
994 }
995
996 static int snd_ac97_bus_dev_free(struct snd_device *device)
997 {
998 struct snd_ac97_bus *bus = device->device_data;
999 return snd_ac97_bus_free(bus);
1000 }
1001
1002 static int snd_ac97_free(struct snd_ac97 *ac97)
1003 {
1004 if (ac97) {
1005 #ifdef CONFIG_SND_AC97_POWER_SAVE
1006 cancel_delayed_work_sync(&ac97->power_work);
1007 #endif
1008 snd_ac97_proc_done(ac97);
1009 if (ac97->bus)
1010 ac97->bus->codec[ac97->num] = NULL;
1011 if (ac97->private_free)
1012 ac97->private_free(ac97);
1013 kfree(ac97);
1014 }
1015 return 0;
1016 }
1017
1018 static int snd_ac97_dev_free(struct snd_device *device)
1019 {
1020 struct snd_ac97 *ac97 = device->device_data;
1021 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1022 return snd_ac97_free(ac97);
1023 }
1024
1025 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1026 {
1027 unsigned short val, mask = AC97_MUTE_MASK_MONO;
1028
1029 if (! snd_ac97_valid_reg(ac97, reg))
1030 return 0;
1031
1032 switch (reg) {
1033 case AC97_MASTER_TONE:
1034 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0;
1035 case AC97_HEADPHONE:
1036 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0;
1037 case AC97_REC_GAIN_MIC:
1038 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0;
1039 case AC97_3D_CONTROL:
1040 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) {
1041 val = snd_ac97_read(ac97, reg);
1042 /* if nonzero - fixed and we can't set it */
1043 return val == 0;
1044 }
1045 return 0;
1046 case AC97_CENTER_LFE_MASTER: /* center */
1047 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1048 return 0;
1049 break;
1050 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1051 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1052 return 0;
1053 reg = AC97_CENTER_LFE_MASTER;
1054 mask = 0x0080;
1055 break;
1056 case AC97_SURROUND_MASTER:
1057 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1058 return 0;
1059 break;
1060 }
1061
1062 val = snd_ac97_read(ac97, reg);
1063 if (!(val & mask)) {
1064 /* nothing seems to be here - mute flag is not set */
1065 /* try another test */
1066 snd_ac97_write_cache(ac97, reg, val | mask);
1067 val = snd_ac97_read(ac97, reg);
1068 val = snd_ac97_read(ac97, reg);
1069 if (!(val & mask))
1070 return 0; /* nothing here */
1071 }
1072 return 1; /* success, useable */
1073 }
1074
1075 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1076 {
1077 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1078 unsigned char max[3] = { 63, 31, 15 };
1079 int i;
1080
1081 /* first look up the static resolution table */
1082 if (ac97->res_table) {
1083 const struct snd_ac97_res_table *tbl;
1084 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1085 if (tbl->reg == reg) {
1086 *lo_max = tbl->bits & 0xff;
1087 *hi_max = (tbl->bits >> 8) & 0xff;
1088 return;
1089 }
1090 }
1091 }
1092
1093 *lo_max = *hi_max = 0;
1094 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1095 unsigned short val;
1096 snd_ac97_write(
1097 ac97, reg,
1098 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8)
1099 );
1100 /* Do the read twice due to buffers on some ac97 codecs.
1101 * e.g. The STAC9704 returns exactly what you wrote to the register
1102 * if you read it immediately. This causes the detect routine to fail.
1103 */
1104 val = snd_ac97_read(ac97, reg);
1105 val = snd_ac97_read(ac97, reg);
1106 if (! *lo_max && (val & 0x7f) == cbit[i])
1107 *lo_max = max[i];
1108 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1109 *hi_max = max[i];
1110 if (*lo_max && *hi_max)
1111 break;
1112 }
1113 }
1114
1115 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1116 {
1117 unsigned short mask, val, orig, res;
1118
1119 mask = 1 << bit;
1120 orig = snd_ac97_read(ac97, reg);
1121 val = orig ^ mask;
1122 snd_ac97_write(ac97, reg, val);
1123 res = snd_ac97_read(ac97, reg);
1124 snd_ac97_write_cache(ac97, reg, orig);
1125 return res == val;
1126 }
1127
1128 /* check the volume resolution of center/lfe */
1129 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1130 {
1131 unsigned short val, val1;
1132
1133 *max = 63;
1134 val = AC97_MUTE_MASK_STEREO | (0x20 << shift);
1135 snd_ac97_write(ac97, reg, val);
1136 val1 = snd_ac97_read(ac97, reg);
1137 if (val != val1) {
1138 *max = 31;
1139 }
1140 /* reset volume to zero */
1141 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO);
1142 }
1143
1144 static inline int printable(unsigned int x)
1145 {
1146 x &= 0xff;
1147 if (x < ' ' || x >= 0x71) {
1148 if (x <= 0x89)
1149 return x - 0x71 + 'A';
1150 return '?';
1151 }
1152 return x;
1153 }
1154
1155 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
1156 struct snd_ac97 * ac97)
1157 {
1158 struct snd_kcontrol_new template;
1159 memcpy(&template, _template, sizeof(template));
1160 template.index = ac97->num;
1161 return snd_ctl_new1(&template, ac97);
1162 }
1163
1164 /*
1165 * create mute switch(es) for normal stereo controls
1166 */
1167 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1168 int check_stereo, int check_amix,
1169 struct snd_ac97 *ac97)
1170 {
1171 struct snd_kcontrol *kctl;
1172 int err;
1173 unsigned short val, val1, mute_mask;
1174
1175 if (! snd_ac97_valid_reg(ac97, reg))
1176 return 0;
1177
1178 mute_mask = AC97_MUTE_MASK_MONO;
1179 val = snd_ac97_read(ac97, reg);
1180 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1181 /* check whether both mute bits work */
1182 val1 = val | AC97_MUTE_MASK_STEREO;
1183 snd_ac97_write(ac97, reg, val1);
1184 if (val1 == snd_ac97_read(ac97, reg))
1185 mute_mask = AC97_MUTE_MASK_STEREO;
1186 }
1187 if (mute_mask == AC97_MUTE_MASK_STEREO) {
1188 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1189 if (check_amix)
1190 tmp.private_value |= (1 << 30);
1191 tmp.index = ac97->num;
1192 kctl = snd_ctl_new1(&tmp, ac97);
1193 } else {
1194 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1195 if (check_amix)
1196 tmp.private_value |= (1 << 30);
1197 tmp.index = ac97->num;
1198 kctl = snd_ctl_new1(&tmp, ac97);
1199 }
1200 err = snd_ctl_add(card, kctl);
1201 if (err < 0)
1202 return err;
1203 /* mute as default */
1204 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1205 return 0;
1206 }
1207
1208 /*
1209 * set dB information
1210 */
1211 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1212 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1213 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1214 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1215 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1216
1217 static const unsigned int *find_db_scale(unsigned int maxval)
1218 {
1219 switch (maxval) {
1220 case 0x0f: return db_scale_4bit;
1221 case 0x1f: return db_scale_5bit;
1222 case 0x3f: return db_scale_6bit;
1223 }
1224 return NULL;
1225 }
1226
1227 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1228 {
1229 kctl->tlv.p = tlv;
1230 if (tlv)
1231 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1232 }
1233
1234 /*
1235 * create a volume for normal stereo/mono controls
1236 */
1237 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1238 unsigned int hi_max, struct snd_ac97 *ac97)
1239 {
1240 int err;
1241 struct snd_kcontrol *kctl;
1242
1243 if (! snd_ac97_valid_reg(ac97, reg))
1244 return 0;
1245 if (hi_max) {
1246 /* invert */
1247 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1248 tmp.index = ac97->num;
1249 kctl = snd_ctl_new1(&tmp, ac97);
1250 } else {
1251 /* invert */
1252 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1253 tmp.index = ac97->num;
1254 kctl = snd_ctl_new1(&tmp, ac97);
1255 }
1256 if (!kctl)
1257 return -ENOMEM;
1258 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1259 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1260 else
1261 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1262 err = snd_ctl_add(card, kctl);
1263 if (err < 0)
1264 return err;
1265 snd_ac97_write_cache(
1266 ac97, reg,
1267 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO)
1268 | lo_max | (hi_max << 8)
1269 );
1270 return 0;
1271 }
1272
1273 /*
1274 * create a mute-switch and a volume for normal stereo/mono controls
1275 */
1276 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1277 int reg, int check_stereo, int check_amix,
1278 struct snd_ac97 *ac97)
1279 {
1280 int err;
1281 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
1282 unsigned char lo_max, hi_max;
1283
1284 if (! snd_ac97_valid_reg(ac97, reg))
1285 return 0;
1286
1287 if (snd_ac97_try_bit(ac97, reg, 15)) {
1288 sprintf(name, "%s Switch", pfx);
1289 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1290 check_stereo, check_amix,
1291 ac97)) < 0)
1292 return err;
1293 }
1294 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1295 if (lo_max) {
1296 sprintf(name, "%s Volume", pfx);
1297 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1298 return err;
1299 }
1300 return 0;
1301 }
1302
1303 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1304 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1305 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1306 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1307
1308 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1309
1310 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1311 {
1312 struct snd_card *card = ac97->bus->card;
1313 struct snd_kcontrol *kctl;
1314 int err;
1315 unsigned int idx;
1316 unsigned char max;
1317
1318 /* build master controls */
1319 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1320 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1321 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1322 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1323 AC97_MASTER, 0, ac97);
1324 else
1325 err = snd_ac97_cmix_new(card, "Master Playback",
1326 AC97_MASTER, 0, ac97);
1327 if (err < 0)
1328 return err;
1329 }
1330
1331 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO;
1332
1333 /* build center controls */
1334 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1335 && !(ac97->flags & AC97_AD_MULTI)) {
1336 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1337 return err;
1338 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1339 return err;
1340 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1341 kctl->private_value &= ~(0xff << 16);
1342 kctl->private_value |= (int)max << 16;
1343 set_tlv_db_scale(kctl, find_db_scale(max));
1344 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1345 }
1346
1347 /* build LFE controls */
1348 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1349 && !(ac97->flags & AC97_AD_MULTI)) {
1350 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1351 return err;
1352 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1353 return err;
1354 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1355 kctl->private_value &= ~(0xff << 16);
1356 kctl->private_value |= (int)max << 16;
1357 set_tlv_db_scale(kctl, find_db_scale(max));
1358 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1359 }
1360
1361 /* build surround controls */
1362 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1363 && !(ac97->flags & AC97_AD_MULTI)) {
1364 /* Surround Master (0x38) is with stereo mutes */
1365 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1366 AC97_SURROUND_MASTER, 1, 0,
1367 ac97)) < 0)
1368 return err;
1369 }
1370
1371 /* build headphone controls */
1372 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1373 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1374 AC97_HEADPHONE, 0, ac97)) < 0)
1375 return err;
1376 }
1377
1378 /* build master mono controls */
1379 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1380 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1381 AC97_MASTER_MONO, 0, ac97)) < 0)
1382 return err;
1383 }
1384
1385 /* build master tone controls */
1386 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1387 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1388 for (idx = 0; idx < 2; idx++) {
1389 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1390 return err;
1391 if (ac97->id == AC97_ID_YMF743 ||
1392 ac97->id == AC97_ID_YMF753) {
1393 kctl->private_value &= ~(0xff << 16);
1394 kctl->private_value |= 7 << 16;
1395 }
1396 }
1397 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1398 }
1399 }
1400
1401 /* build Beep controls */
1402 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1403 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1404 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1405 for (idx = 0; idx < 2; idx++)
1406 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1407 return err;
1408 set_tlv_db_scale(kctl, db_scale_4bit);
1409 snd_ac97_write_cache(
1410 ac97,
1411 AC97_PC_BEEP,
1412 (snd_ac97_read(ac97, AC97_PC_BEEP)
1413 | AC97_MUTE_MASK_MONO | 0x001e)
1414 );
1415 }
1416
1417 /* build Phone controls */
1418 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1419 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1420 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1421 AC97_PHONE, 1, ac97)) < 0)
1422 return err;
1423 }
1424 }
1425
1426 /* build MIC controls */
1427 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1428 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1429 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1430 AC97_MIC, 1, ac97)) < 0)
1431 return err;
1432 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1433 return err;
1434 }
1435 }
1436
1437 /* build Line controls */
1438 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1439 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1440 AC97_LINE, 1, ac97)) < 0)
1441 return err;
1442 }
1443
1444 /* build CD controls */
1445 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1446 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1447 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1448 AC97_CD, 1, ac97)) < 0)
1449 return err;
1450 }
1451 }
1452
1453 /* build Video controls */
1454 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1455 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1456 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1457 AC97_VIDEO, 1, ac97)) < 0)
1458 return err;
1459 }
1460 }
1461
1462 /* build Aux controls */
1463 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1464 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1465 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1466 AC97_AUX, 1, ac97)) < 0)
1467 return err;
1468 }
1469 }
1470
1471 /* build PCM controls */
1472 if (ac97->flags & AC97_AD_MULTI) {
1473 unsigned short init_val;
1474 if (ac97->flags & AC97_STEREO_MUTES)
1475 init_val = 0x9f9f;
1476 else
1477 init_val = 0x9f1f;
1478 for (idx = 0; idx < 2; idx++)
1479 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1480 return err;
1481 set_tlv_db_scale(kctl, db_scale_5bit);
1482 ac97->spec.ad18xx.pcmreg[0] = init_val;
1483 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1484 for (idx = 0; idx < 2; idx++)
1485 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1486 return err;
1487 set_tlv_db_scale(kctl, db_scale_5bit);
1488 ac97->spec.ad18xx.pcmreg[1] = init_val;
1489 }
1490 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1491 for (idx = 0; idx < 2; idx++)
1492 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1493 return err;
1494 set_tlv_db_scale(kctl, db_scale_5bit);
1495 for (idx = 0; idx < 2; idx++)
1496 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1497 return err;
1498 set_tlv_db_scale(kctl, db_scale_5bit);
1499 ac97->spec.ad18xx.pcmreg[2] = init_val;
1500 }
1501 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1502 } else {
1503 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1504 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1505 err = snd_ac97_cmute_new(card,
1506 "PCM Playback Switch",
1507 AC97_PCM, 0, ac97);
1508 else
1509 err = snd_ac97_cmix_new(card, "PCM Playback",
1510 AC97_PCM, 0, ac97);
1511 if (err < 0)
1512 return err;
1513 }
1514 }
1515
1516 /* build Capture controls */
1517 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1518 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1519 return err;
1520 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1521 err = snd_ac97_cmute_new(card, "Capture Switch",
1522 AC97_REC_GAIN, 0, ac97);
1523 if (err < 0)
1524 return err;
1525 }
1526 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1527 return err;
1528 set_tlv_db_scale(kctl, db_scale_rec_gain);
1529 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1530 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1531 }
1532 /* build MIC Capture controls */
1533 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1534 for (idx = 0; idx < 2; idx++)
1535 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1536 return err;
1537 set_tlv_db_scale(kctl, db_scale_rec_gain);
1538 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1539 }
1540
1541 /* build PCM out path & mute control */
1542 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1543 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1544 return err;
1545 }
1546
1547 /* build Simulated Stereo Enhancement control */
1548 if (ac97->caps & AC97_BC_SIM_STEREO) {
1549 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1550 return err;
1551 }
1552
1553 /* build 3D Stereo Enhancement control */
1554 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1555 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1556 return err;
1557 }
1558
1559 /* build Loudness control */
1560 if (ac97->caps & AC97_BC_LOUDNESS) {
1561 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1562 return err;
1563 }
1564
1565 /* build Mono output select control */
1566 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1567 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1568 return err;
1569 }
1570
1571 /* build Mic select control */
1572 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1573 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1574 return err;
1575 }
1576
1577 /* build ADC/DAC loopback control */
1578 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1579 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1580 return err;
1581 }
1582
1583 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1584
1585 /* build 3D controls */
1586 if (ac97->build_ops->build_3d) {
1587 ac97->build_ops->build_3d(ac97);
1588 } else {
1589 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1590 unsigned short val;
1591 val = 0x0707;
1592 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1593 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1594 val = val == 0x0606;
1595 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1596 return err;
1597 if (val)
1598 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1599 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1600 return err;
1601 if (val)
1602 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1603 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1604 }
1605 }
1606
1607 /* build S/PDIF controls */
1608
1609 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1610 if (ac97->subsystem_vendor == 0x1043 &&
1611 ac97->subsystem_device == 0x810f)
1612 ac97->ext_id |= AC97_EI_SPDIF;
1613
1614 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1615 if (ac97->build_ops->build_spdif) {
1616 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1617 return err;
1618 } else {
1619 for (idx = 0; idx < 5; idx++)
1620 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1621 return err;
1622 if (ac97->build_ops->build_post_spdif) {
1623 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1624 return err;
1625 }
1626 /* set default PCM S/PDIF params */
1627 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1628 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1629 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1630 }
1631 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1632 }
1633
1634 /* build chip specific controls */
1635 if (ac97->build_ops->build_specific)
1636 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1637 return err;
1638
1639 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1640 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1641 if (! kctl)
1642 return -ENOMEM;
1643 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1644 set_inv_eapd(ac97, kctl);
1645 if ((err = snd_ctl_add(card, kctl)) < 0)
1646 return err;
1647 }
1648
1649 return 0;
1650 }
1651
1652 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1653 {
1654 int err, idx;
1655
1656 /*
1657 ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n",
1658 snd_ac97_read(ac97,AC97_GPIO_CFG));
1659 */
1660 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1661 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1662 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1663 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1664 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1665
1666 /* build modem switches */
1667 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1668 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1669 return err;
1670
1671 /* build chip specific controls */
1672 if (ac97->build_ops->build_specific)
1673 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1674 return err;
1675
1676 return 0;
1677 }
1678
1679 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1680 {
1681 unsigned short val;
1682 unsigned int tmp;
1683
1684 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1685 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1686 if (shadow_reg)
1687 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1688 val = snd_ac97_read(ac97, reg);
1689 return val == (tmp & 0xffff);
1690 }
1691
1692 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1693 {
1694 unsigned int result = 0;
1695 unsigned short saved;
1696
1697 if (ac97->bus->no_vra) {
1698 *r_result = SNDRV_PCM_RATE_48000;
1699 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1700 reg == AC97_PCM_FRONT_DAC_RATE)
1701 *r_result |= SNDRV_PCM_RATE_96000;
1702 return;
1703 }
1704
1705 saved = snd_ac97_read(ac97, reg);
1706 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1707 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1708 AC97_EA_DRA, 0);
1709 /* test a non-standard rate */
1710 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1711 result |= SNDRV_PCM_RATE_CONTINUOUS;
1712 /* let's try to obtain standard rates */
1713 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1714 result |= SNDRV_PCM_RATE_8000;
1715 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1716 result |= SNDRV_PCM_RATE_11025;
1717 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1718 result |= SNDRV_PCM_RATE_16000;
1719 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1720 result |= SNDRV_PCM_RATE_22050;
1721 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1722 result |= SNDRV_PCM_RATE_32000;
1723 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1724 result |= SNDRV_PCM_RATE_44100;
1725 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1726 result |= SNDRV_PCM_RATE_48000;
1727 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1728 reg == AC97_PCM_FRONT_DAC_RATE) {
1729 /* test standard double rates */
1730 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1731 AC97_EA_DRA, AC97_EA_DRA);
1732 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1733 result |= SNDRV_PCM_RATE_64000;
1734 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1735 result |= SNDRV_PCM_RATE_88200;
1736 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1737 result |= SNDRV_PCM_RATE_96000;
1738 /* some codecs don't support variable double rates */
1739 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1740 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1741 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1742 AC97_EA_DRA, 0);
1743 }
1744 /* restore the default value */
1745 snd_ac97_write_cache(ac97, reg, saved);
1746 if (shadow_reg)
1747 snd_ac97_write_cache(ac97, shadow_reg, saved);
1748 *r_result = result;
1749 }
1750
1751 /* check AC97_SPDIF register to accept which sample rates */
1752 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1753 {
1754 unsigned int result = 0;
1755 int i;
1756 static const unsigned short ctl_bits[] = {
1757 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1758 };
1759 static const unsigned int rate_bits[] = {
1760 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1761 };
1762
1763 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1764 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1765 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1766 result |= rate_bits[i];
1767 }
1768 return result;
1769 }
1770
1771 /* look for the codec id table matching with the given id */
1772 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1773 unsigned int id)
1774 {
1775 const struct ac97_codec_id *pid;
1776
1777 for (pid = table; pid->id; pid++)
1778 if (pid->id == (id & pid->mask))
1779 return pid;
1780 return NULL;
1781 }
1782
1783 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1784 {
1785 const struct ac97_codec_id *pid;
1786
1787 sprintf(name, "0x%x %c%c%c", id,
1788 printable(id >> 24),
1789 printable(id >> 16),
1790 printable(id >> 8));
1791 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1792 if (! pid)
1793 return;
1794
1795 strcpy(name, pid->name);
1796 if (ac97 && pid->patch) {
1797 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1798 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1799 pid->patch(ac97);
1800 }
1801
1802 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1803 if (pid) {
1804 strcat(name, " ");
1805 strcat(name, pid->name);
1806 if (pid->mask != 0xffffffff)
1807 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1808 if (ac97 && pid->patch) {
1809 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1810 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1811 pid->patch(ac97);
1812 }
1813 } else
1814 sprintf(name + strlen(name), " id %x", id & 0xff);
1815 }
1816
1817 /**
1818 * snd_ac97_get_short_name - retrieve codec name
1819 * @ac97: the codec instance
1820 *
1821 * Return: The short identifying name of the codec.
1822 */
1823 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1824 {
1825 const struct ac97_codec_id *pid;
1826
1827 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1828 if (pid->id == (ac97->id & pid->mask))
1829 return pid->name;
1830 return "unknown codec";
1831 }
1832
1833 EXPORT_SYMBOL(snd_ac97_get_short_name);
1834
1835 /* wait for a while until registers are accessible after RESET
1836 * return 0 if ok, negative not ready
1837 */
1838 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1839 {
1840 unsigned long end_time;
1841 unsigned short val;
1842
1843 end_time = jiffies + timeout;
1844 do {
1845
1846 /* use preliminary reads to settle the communication */
1847 snd_ac97_read(ac97, AC97_RESET);
1848 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1849 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1850 /* modem? */
1851 if (with_modem) {
1852 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1853 if (val != 0xffff && (val & 1) != 0)
1854 return 0;
1855 }
1856 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1857 /* probably only Xbox issue - all registers are read as zero */
1858 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1859 if (val != 0 && val != 0xffff)
1860 return 0;
1861 } else {
1862 /* because the PCM or MASTER volume registers can be modified,
1863 * the REC_GAIN register is used for tests
1864 */
1865 /* test if we can write to the record gain volume register */
1866 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1867 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1868 return 0;
1869 }
1870 schedule_timeout_uninterruptible(1);
1871 } while (time_after_eq(end_time, jiffies));
1872 return -ENODEV;
1873 }
1874
1875 /**
1876 * snd_ac97_bus - create an AC97 bus component
1877 * @card: the card instance
1878 * @num: the bus number
1879 * @ops: the bus callbacks table
1880 * @private_data: private data pointer for the new instance
1881 * @rbus: the pointer to store the new AC97 bus instance.
1882 *
1883 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1884 * allocated and initialized.
1885 *
1886 * The ops table must include valid callbacks (at least read and
1887 * write). The other callbacks, wait and reset, are not mandatory.
1888 *
1889 * The clock is set to 48000. If another clock is needed, set
1890 * ``(*rbus)->clock`` manually.
1891 *
1892 * The AC97 bus instance is registered as a low-level device, so you don't
1893 * have to release it manually.
1894 *
1895 * Return: Zero if successful, or a negative error code on failure.
1896 */
1897 int snd_ac97_bus(struct snd_card *card, int num,
1898 const struct snd_ac97_bus_ops *ops,
1899 void *private_data, struct snd_ac97_bus **rbus)
1900 {
1901 int err;
1902 struct snd_ac97_bus *bus;
1903 static const struct snd_device_ops dev_ops = {
1904 .dev_free = snd_ac97_bus_dev_free,
1905 };
1906
1907 if (snd_BUG_ON(!card))
1908 return -EINVAL;
1909 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1910 if (bus == NULL)
1911 return -ENOMEM;
1912 bus->card = card;
1913 bus->num = num;
1914 bus->ops = ops;
1915 bus->private_data = private_data;
1916 bus->clock = 48000;
1917 spin_lock_init(&bus->bus_lock);
1918 snd_ac97_bus_proc_init(bus);
1919 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1920 snd_ac97_bus_free(bus);
1921 return err;
1922 }
1923 if (rbus)
1924 *rbus = bus;
1925 return 0;
1926 }
1927
1928 EXPORT_SYMBOL(snd_ac97_bus);
1929
1930 /* stop no dev release warning */
1931 static void ac97_device_release(struct device * dev)
1932 {
1933 }
1934
1935 /* register ac97 codec to bus */
1936 static int snd_ac97_dev_register(struct snd_device *device)
1937 {
1938 struct snd_ac97 *ac97 = device->device_data;
1939 int err;
1940
1941 ac97->dev.bus = &ac97_bus_type;
1942 ac97->dev.parent = ac97->bus->card->dev;
1943 ac97->dev.release = ac97_device_release;
1944 dev_set_name(&ac97->dev, "%d-%d:%s",
1945 ac97->bus->card->number, ac97->num,
1946 snd_ac97_get_short_name(ac97));
1947 if ((err = device_register(&ac97->dev)) < 0) {
1948 ac97_err(ac97, "Can't register ac97 bus\n");
1949 ac97->dev.bus = NULL;
1950 return err;
1951 }
1952 return 0;
1953 }
1954
1955 /* disconnect ac97 codec */
1956 static int snd_ac97_dev_disconnect(struct snd_device *device)
1957 {
1958 struct snd_ac97 *ac97 = device->device_data;
1959 if (ac97->dev.bus)
1960 device_unregister(&ac97->dev);
1961 return 0;
1962 }
1963
1964 /* build_ops to do nothing */
1965 static const struct snd_ac97_build_ops null_build_ops;
1966
1967 #ifdef CONFIG_SND_AC97_POWER_SAVE
1968 static void do_update_power(struct work_struct *work)
1969 {
1970 update_power_regs(
1971 container_of(work, struct snd_ac97, power_work.work));
1972 }
1973 #endif
1974
1975 /**
1976 * snd_ac97_mixer - create an Codec97 component
1977 * @bus: the AC97 bus which codec is attached to
1978 * @template: the template of ac97, including index, callbacks and
1979 * the private data.
1980 * @rac97: the pointer to store the new ac97 instance.
1981 *
1982 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1983 * allocated and initialized from the template. The codec
1984 * is then initialized by the standard procedure.
1985 *
1986 * The template must include the codec number (num) and address (addr),
1987 * and the private data (private_data).
1988 *
1989 * The ac97 instance is registered as a low-level device, so you don't
1990 * have to release it manually.
1991 *
1992 * Return: Zero if successful, or a negative error code on failure.
1993 */
1994 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1995 {
1996 int err;
1997 struct snd_ac97 *ac97;
1998 struct snd_card *card;
1999 char name[64];
2000 unsigned long end_time;
2001 unsigned int reg;
2002 const struct ac97_codec_id *pid;
2003 static const struct snd_device_ops ops = {
2004 .dev_free = snd_ac97_dev_free,
2005 .dev_register = snd_ac97_dev_register,
2006 .dev_disconnect = snd_ac97_dev_disconnect,
2007 };
2008
2009 if (rac97)
2010 *rac97 = NULL;
2011 if (snd_BUG_ON(!bus || !template))
2012 return -EINVAL;
2013 if (snd_BUG_ON(template->num >= 4))
2014 return -EINVAL;
2015 if (bus->codec[template->num])
2016 return -EBUSY;
2017
2018 card = bus->card;
2019 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
2020 if (ac97 == NULL)
2021 return -ENOMEM;
2022 ac97->private_data = template->private_data;
2023 ac97->private_free = template->private_free;
2024 ac97->bus = bus;
2025 ac97->pci = template->pci;
2026 ac97->num = template->num;
2027 ac97->addr = template->addr;
2028 ac97->scaps = template->scaps;
2029 ac97->res_table = template->res_table;
2030 bus->codec[ac97->num] = ac97;
2031 mutex_init(&ac97->reg_mutex);
2032 mutex_init(&ac97->page_mutex);
2033 #ifdef CONFIG_SND_AC97_POWER_SAVE
2034 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
2035 #endif
2036
2037 #ifdef CONFIG_PCI
2038 if (ac97->pci) {
2039 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2040 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2041 }
2042 #endif
2043 if (bus->ops->reset) {
2044 bus->ops->reset(ac97);
2045 goto __access_ok;
2046 }
2047
2048 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2049 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2050 if (ac97->id && ac97->id != (unsigned int)-1) {
2051 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2052 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2053 goto __access_ok;
2054 }
2055
2056 /* reset to defaults */
2057 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2058 snd_ac97_write(ac97, AC97_RESET, 0);
2059 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2060 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2061 if (bus->ops->wait)
2062 bus->ops->wait(ac97);
2063 else {
2064 udelay(50);
2065 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2066 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);
2067 else {
2068 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);
2069 if (err < 0)
2070 err = ac97_reset_wait(ac97,
2071 msecs_to_jiffies(500), 1);
2072 }
2073 if (err < 0) {
2074 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n",
2075 ac97->num);
2076 /* proceed anyway - it's often non-critical */
2077 }
2078 }
2079 __access_ok:
2080 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2081 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2082 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2083 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2084 ac97_err(ac97,
2085 "AC'97 %d access is not valid [0x%x], removing mixer.\n",
2086 ac97->num, ac97->id);
2087 snd_ac97_free(ac97);
2088 return -EIO;
2089 }
2090 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2091 if (pid)
2092 ac97->flags |= pid->flags;
2093
2094 /* test for AC'97 */
2095 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2096 /* test if we can write to the record gain volume register */
2097 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2098 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2099 ac97->scaps |= AC97_SCAP_AUDIO;
2100 }
2101 if (ac97->scaps & AC97_SCAP_AUDIO) {
2102 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2103 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2104 if (ac97->ext_id == 0xffff) /* invalid combination */
2105 ac97->ext_id = 0;
2106 }
2107
2108 /* test for MC'97 */
2109 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2110 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2111 if (ac97->ext_mid == 0xffff) /* invalid combination */
2112 ac97->ext_mid = 0;
2113 if (ac97->ext_mid & 1)
2114 ac97->scaps |= AC97_SCAP_MODEM;
2115 }
2116
2117 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2118 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2119 ac97_err(ac97,
2120 "AC'97 %d access error (not audio or modem codec)\n",
2121 ac97->num);
2122 snd_ac97_free(ac97);
2123 return -EACCES;
2124 }
2125
2126 if (bus->ops->reset) // FIXME: always skipping?
2127 goto __ready_ok;
2128
2129 /* FIXME: add powerdown control */
2130 if (ac97_is_audio(ac97)) {
2131 /* nothing should be in powerdown mode */
2132 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2133 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2134 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2135 udelay(100);
2136 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2137 }
2138 /* nothing should be in powerdown mode */
2139 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2140 end_time = jiffies + msecs_to_jiffies(5000);
2141 do {
2142 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2143 goto __ready_ok;
2144 schedule_timeout_uninterruptible(1);
2145 } while (time_after_eq(end_time, jiffies));
2146 ac97_warn(ac97,
2147 "AC'97 %d analog subsections not ready\n", ac97->num);
2148 }
2149
2150 /* FIXME: add powerdown control */
2151 if (ac97_is_modem(ac97)) {
2152 unsigned char tmp;
2153
2154 /* nothing should be in powerdown mode */
2155 /* note: it's important to set the rate at first */
2156 tmp = AC97_MEA_GPIO;
2157 if (ac97->ext_mid & AC97_MEI_LINE1) {
2158 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2159 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2160 }
2161 if (ac97->ext_mid & AC97_MEI_LINE2) {
2162 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2163 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2164 }
2165 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2166 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2167 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2168 }
2169 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2170 udelay(100);
2171 /* nothing should be in powerdown mode */
2172 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2173 end_time = jiffies + msecs_to_jiffies(100);
2174 do {
2175 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2176 goto __ready_ok;
2177 schedule_timeout_uninterruptible(1);
2178 } while (time_after_eq(end_time, jiffies));
2179 ac97_warn(ac97,
2180 "MC'97 %d converters and GPIO not ready (0x%x)\n",
2181 ac97->num,
2182 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2183 }
2184
2185 __ready_ok:
2186 if (ac97_is_audio(ac97))
2187 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2188 else
2189 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2190 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2191 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2192 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2193 if (! bus->no_vra)
2194 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2195 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2196 }
2197 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2198 /* Intel controllers require double rate data to be put in
2199 * slots 7+8, so let's hope the codec supports it. */
2200 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2201 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2202 ac97->flags |= AC97_DOUBLE_RATE;
2203 /* restore to slots 10/11 to avoid the confliction with surrounds */
2204 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2205 }
2206 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2207 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2208 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2209 } else {
2210 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2211 if (ac97->flags & AC97_DOUBLE_RATE)
2212 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2213 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2214 }
2215 if (ac97->ext_id & AC97_EI_SPDIF) {
2216 /* codec specific code (patch) should override these values */
2217 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2218 }
2219 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2220 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2221 } else {
2222 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2223 }
2224 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2225 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2226 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2227 }
2228 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2229 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2230 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2231 }
2232 /* additional initializations */
2233 if (bus->ops->init)
2234 bus->ops->init(ac97);
2235 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2236 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2237 if (! ac97->build_ops)
2238 ac97->build_ops = &null_build_ops;
2239
2240 if (ac97_is_audio(ac97)) {
2241 char comp[16];
2242 if (card->mixername[0] == '\0') {
2243 strcpy(card->mixername, name);
2244 } else {
2245 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2246 strcat(card->mixername, ",");
2247 strcat(card->mixername, name);
2248 }
2249 }
2250 sprintf(comp, "AC97a:%08x", ac97->id);
2251 if ((err = snd_component_add(card, comp)) < 0) {
2252 snd_ac97_free(ac97);
2253 return err;
2254 }
2255 if (snd_ac97_mixer_build(ac97) < 0) {
2256 snd_ac97_free(ac97);
2257 return -ENOMEM;
2258 }
2259 }
2260 if (ac97_is_modem(ac97)) {
2261 char comp[16];
2262 if (card->mixername[0] == '\0') {
2263 strcpy(card->mixername, name);
2264 } else {
2265 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2266 strcat(card->mixername, ",");
2267 strcat(card->mixername, name);
2268 }
2269 }
2270 sprintf(comp, "AC97m:%08x", ac97->id);
2271 if ((err = snd_component_add(card, comp)) < 0) {
2272 snd_ac97_free(ac97);
2273 return err;
2274 }
2275 if (snd_ac97_modem_build(card, ac97) < 0) {
2276 snd_ac97_free(ac97);
2277 return -ENOMEM;
2278 }
2279 }
2280 if (ac97_is_audio(ac97))
2281 update_power_regs(ac97);
2282 snd_ac97_proc_init(ac97);
2283 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2284 snd_ac97_free(ac97);
2285 return err;
2286 }
2287 *rac97 = ac97;
2288 return 0;
2289 }
2290
2291 EXPORT_SYMBOL(snd_ac97_mixer);
2292
2293 /*
2294 * Power down the chip.
2295 *
2296 * MASTER and HEADPHONE registers are muted but the register cache values
2297 * are not changed, so that the values can be restored in snd_ac97_resume().
2298 */
2299 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2300 {
2301 unsigned short power;
2302
2303 if (ac97_is_audio(ac97)) {
2304 /* some codecs have stereo mute bits */
2305 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2306 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2307 }
2308
2309 /* surround, CLFE, mic powerdown */
2310 power = ac97->regs[AC97_EXTENDED_STATUS];
2311 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2312 power |= AC97_EA_PRJ;
2313 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2314 power |= AC97_EA_PRI | AC97_EA_PRK;
2315 power |= AC97_EA_PRL;
2316 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2317
2318 /* powerdown external amplifier */
2319 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2320 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2321 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2322 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2323 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2324 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
2325 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2326 udelay(100);
2327 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */
2328 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2329 if (ac97_is_power_save_mode(ac97)) {
2330 power |= AC97_PD_PR3; /* Analog Mixer powerdown */
2331 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2332 udelay(100);
2333 /* AC-link powerdown, internal Clk disable */
2334 /* FIXME: this may cause click noises on some boards */
2335 power |= AC97_PD_PR4 | AC97_PD_PR5;
2336 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2337 }
2338 }
2339
2340
2341 struct ac97_power_reg {
2342 unsigned short reg;
2343 unsigned short power_reg;
2344 unsigned short mask;
2345 };
2346
2347 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2348
2349 static const struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2350 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2351 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2352 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2353 AC97_EA_PRI | AC97_EA_PRK},
2354 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2355 AC97_EA_PRJ},
2356 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2357 AC97_EA_PRL},
2358 };
2359
2360 #ifdef CONFIG_SND_AC97_POWER_SAVE
2361 /**
2362 * snd_ac97_update_power - update the powerdown register
2363 * @ac97: the codec instance
2364 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2365 * @powerup: non-zero when power up the part
2366 *
2367 * Update the AC97 powerdown register bits of the given part.
2368 *
2369 * Return: Zero.
2370 */
2371 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2372 {
2373 int i;
2374
2375 if (! ac97)
2376 return 0;
2377
2378 if (reg) {
2379 /* SPDIF requires DAC power, too */
2380 if (reg == AC97_SPDIF)
2381 reg = AC97_PCM_FRONT_DAC_RATE;
2382 for (i = 0; i < PWIDX_SIZE; i++) {
2383 if (power_regs[i].reg == reg) {
2384 if (powerup)
2385 ac97->power_up |= (1 << i);
2386 else
2387 ac97->power_up &= ~(1 << i);
2388 break;
2389 }
2390 }
2391 }
2392
2393 if (ac97_is_power_save_mode(ac97) && !powerup)
2394 /* adjust power-down bits after two seconds delay
2395 * (for avoiding loud click noises for many (OSS) apps
2396 * that open/close frequently)
2397 */
2398 schedule_delayed_work(&ac97->power_work,
2399 msecs_to_jiffies(power_save * 1000));
2400 else {
2401 cancel_delayed_work(&ac97->power_work);
2402 update_power_regs(ac97);
2403 }
2404
2405 return 0;
2406 }
2407
2408 EXPORT_SYMBOL(snd_ac97_update_power);
2409 #endif /* CONFIG_SND_AC97_POWER_SAVE */
2410
2411 static void update_power_regs(struct snd_ac97 *ac97)
2412 {
2413 unsigned int power_up, bits;
2414 int i;
2415
2416 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2417 power_up |= (1 << PWIDX_MIC);
2418 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2419 power_up |= (1 << PWIDX_SURR);
2420 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2421 power_up |= (1 << PWIDX_CLFE);
2422 #ifdef CONFIG_SND_AC97_POWER_SAVE
2423 if (ac97_is_power_save_mode(ac97))
2424 power_up = ac97->power_up;
2425 #endif
2426 if (power_up) {
2427 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2428 /* needs power-up analog mix and vref */
2429 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2430 AC97_PD_PR3, 0);
2431 msleep(1);
2432 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2433 AC97_PD_PR2, 0);
2434 }
2435 }
2436 for (i = 0; i < PWIDX_SIZE; i++) {
2437 if (power_up & (1 << i))
2438 bits = 0;
2439 else
2440 bits = power_regs[i].mask;
2441 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2442 power_regs[i].mask, bits);
2443 }
2444 if (! power_up) {
2445 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2446 /* power down analog mix and vref */
2447 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2448 AC97_PD_PR2, AC97_PD_PR2);
2449 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2450 AC97_PD_PR3, AC97_PD_PR3);
2451 }
2452 }
2453 }
2454
2455
2456 #ifdef CONFIG_PM
2457 /**
2458 * snd_ac97_suspend - General suspend function for AC97 codec
2459 * @ac97: the ac97 instance
2460 *
2461 * Suspends the codec, power down the chip.
2462 */
2463 void snd_ac97_suspend(struct snd_ac97 *ac97)
2464 {
2465 if (! ac97)
2466 return;
2467 if (ac97->build_ops->suspend)
2468 ac97->build_ops->suspend(ac97);
2469 #ifdef CONFIG_SND_AC97_POWER_SAVE
2470 cancel_delayed_work_sync(&ac97->power_work);
2471 #endif
2472 snd_ac97_powerdown(ac97);
2473 }
2474
2475 EXPORT_SYMBOL(snd_ac97_suspend);
2476
2477 /*
2478 * restore ac97 status
2479 */
2480 static void snd_ac97_restore_status(struct snd_ac97 *ac97)
2481 {
2482 int i;
2483
2484 for (i = 2; i < 0x7c ; i += 2) {
2485 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2486 continue;
2487 /* restore only accessible registers
2488 * some chip (e.g. nm256) may hang up when unsupported registers
2489 * are accessed..!
2490 */
2491 if (test_bit(i, ac97->reg_accessed)) {
2492 snd_ac97_write(ac97, i, ac97->regs[i]);
2493 snd_ac97_read(ac97, i);
2494 }
2495 }
2496 }
2497
2498 /*
2499 * restore IEC958 status
2500 */
2501 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2502 {
2503 if (ac97->ext_id & AC97_EI_SPDIF) {
2504 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2505 /* reset spdif status */
2506 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2507 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2508 if (ac97->flags & AC97_CS_SPDIF)
2509 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2510 else
2511 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2512 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2513 }
2514 }
2515 }
2516
2517 /**
2518 * snd_ac97_resume - General resume function for AC97 codec
2519 * @ac97: the ac97 instance
2520 *
2521 * Do the standard resume procedure, power up and restoring the
2522 * old register values.
2523 */
2524 void snd_ac97_resume(struct snd_ac97 *ac97)
2525 {
2526 unsigned long end_time;
2527
2528 if (! ac97)
2529 return;
2530
2531 if (ac97->bus->ops->reset) {
2532 ac97->bus->ops->reset(ac97);
2533 goto __reset_ready;
2534 }
2535
2536 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2537 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2538 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2539 snd_ac97_write(ac97, AC97_RESET, 0);
2540 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2541 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2542 udelay(100);
2543 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2544 }
2545 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2546
2547 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2548 if (ac97_is_audio(ac97)) {
2549 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2550 end_time = jiffies + msecs_to_jiffies(100);
2551 do {
2552 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2553 break;
2554 schedule_timeout_uninterruptible(1);
2555 } while (time_after_eq(end_time, jiffies));
2556 /* FIXME: extra delay */
2557 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO);
2558 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO)
2559 msleep(250);
2560 } else {
2561 end_time = jiffies + msecs_to_jiffies(100);
2562 do {
2563 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2564 if (val != 0xffff && (val & 1) != 0)
2565 break;
2566 schedule_timeout_uninterruptible(1);
2567 } while (time_after_eq(end_time, jiffies));
2568 }
2569 __reset_ready:
2570
2571 if (ac97->bus->ops->init)
2572 ac97->bus->ops->init(ac97);
2573
2574 if (ac97->build_ops->resume)
2575 ac97->build_ops->resume(ac97);
2576 else {
2577 snd_ac97_restore_status(ac97);
2578 snd_ac97_restore_iec958(ac97);
2579 }
2580 }
2581
2582 EXPORT_SYMBOL(snd_ac97_resume);
2583 #endif
2584
2585
2586 /*
2587 * Hardware tuning
2588 */
2589 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2590 {
2591 if (suffix)
2592 sprintf(dst, "%s %s", src, suffix);
2593 else
2594 strcpy(dst, src);
2595 }
2596
2597 /* remove the control with the given name and optional suffix */
2598 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
2599 const char *suffix)
2600 {
2601 struct snd_ctl_elem_id id;
2602 memset(&id, 0, sizeof(id));
2603 set_ctl_name(id.name, name, suffix);
2604 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2605 return snd_ctl_remove_id(ac97->bus->card, &id);
2606 }
2607
2608 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2609 {
2610 struct snd_ctl_elem_id sid;
2611 memset(&sid, 0, sizeof(sid));
2612 set_ctl_name(sid.name, name, suffix);
2613 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2614 return snd_ctl_find_id(ac97->bus->card, &sid);
2615 }
2616
2617 /* rename the control with the given name and optional suffix */
2618 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
2619 const char *dst, const char *suffix)
2620 {
2621 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2622 if (kctl) {
2623 set_ctl_name(kctl->id.name, dst, suffix);
2624 return 0;
2625 }
2626 return -ENOENT;
2627 }
2628
2629 /* rename both Volume and Switch controls - don't check the return value */
2630 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
2631 const char *dst)
2632 {
2633 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2634 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2635 }
2636
2637 /* swap controls */
2638 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
2639 const char *s2, const char *suffix)
2640 {
2641 struct snd_kcontrol *kctl1, *kctl2;
2642 kctl1 = ctl_find(ac97, s1, suffix);
2643 kctl2 = ctl_find(ac97, s2, suffix);
2644 if (kctl1 && kctl2) {
2645 set_ctl_name(kctl1->id.name, s2, suffix);
2646 set_ctl_name(kctl2->id.name, s1, suffix);
2647 return 0;
2648 }
2649 return -ENOENT;
2650 }
2651
2652 #if 1
2653 /* bind hp and master controls instead of using only hp control */
2654 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2655 {
2656 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2657 if (err > 0) {
2658 unsigned long priv_saved = kcontrol->private_value;
2659 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2660 snd_ac97_put_volsw(kcontrol, ucontrol);
2661 kcontrol->private_value = priv_saved;
2662 }
2663 return err;
2664 }
2665
2666 /* ac97 tune: bind Master and Headphone controls */
2667 static int tune_hp_only(struct snd_ac97 *ac97)
2668 {
2669 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2670 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2671 if (! msw || ! mvol)
2672 return -ENOENT;
2673 msw->put = bind_hp_volsw_put;
2674 mvol->put = bind_hp_volsw_put;
2675 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2676 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2677 return 0;
2678 }
2679
2680 #else
2681 /* ac97 tune: use Headphone control as master */
2682 static int tune_hp_only(struct snd_ac97 *ac97)
2683 {
2684 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2685 return -ENOENT;
2686 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2687 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2688 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2689 return 0;
2690 }
2691 #endif
2692
2693 /* ac97 tune: swap Headphone and Master controls */
2694 static int tune_swap_hp(struct snd_ac97 *ac97)
2695 {
2696 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2697 return -ENOENT;
2698 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2699 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2700 return 0;
2701 }
2702
2703 /* ac97 tune: swap Surround and Master controls */
2704 static int tune_swap_surround(struct snd_ac97 *ac97)
2705 {
2706 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2707 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2708 return -ENOENT;
2709 return 0;
2710 }
2711
2712 /* ac97 tune: set up mic sharing for AD codecs */
2713 static int tune_ad_sharing(struct snd_ac97 *ac97)
2714 {
2715 unsigned short scfg;
2716 if ((ac97->id & 0xffffff00) != 0x41445300) {
2717 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n");
2718 return -EINVAL;
2719 }
2720 /* Turn on OMS bit to route microphone to back panel */
2721 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2722 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2723 return 0;
2724 }
2725
2726 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2727 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2728
2729 /* ac97 tune: set up ALC jack-select */
2730 static int tune_alc_jack(struct snd_ac97 *ac97)
2731 {
2732 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2733 ac97_err(ac97,
2734 "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2735 return -EINVAL;
2736 }
2737 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2738 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2739 if (ac97->id == AC97_ID_ALC658D)
2740 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2741 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2742 }
2743
2744 /* ac97 tune: inversed EAPD bit */
2745 static int tune_inv_eapd(struct snd_ac97 *ac97)
2746 {
2747 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2748 if (! kctl)
2749 return -ENOENT;
2750 set_inv_eapd(ac97, kctl);
2751 return 0;
2752 }
2753
2754 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2755 {
2756 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2757 if (err > 0) {
2758 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2759 int shift = (kcontrol->private_value >> 8) & 0x0f;
2760 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2761 unsigned short mask;
2762 if (shift != rshift)
2763 mask = AC97_MUTE_MASK_STEREO;
2764 else
2765 mask = AC97_MUTE_MASK_MONO;
2766 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2767 (ac97->regs[AC97_MASTER] & mask) == mask ?
2768 AC97_PD_EAPD : 0);
2769 }
2770 return err;
2771 }
2772
2773 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2774 static int tune_mute_led(struct snd_ac97 *ac97)
2775 {
2776 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2777 if (! msw)
2778 return -ENOENT;
2779 msw->put = master_mute_sw_put;
2780 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2781 snd_ac97_update_bits(
2782 ac97, AC97_POWERDOWN,
2783 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2784 );
2785 ac97->scaps |= AC97_SCAP_EAPD_LED;
2786 return 0;
2787 }
2788
2789 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2790 struct snd_ctl_elem_value *ucontrol)
2791 {
2792 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2793 if (err > 0) {
2794 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2795 int shift = (kcontrol->private_value >> 8) & 0x0f;
2796 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2797 unsigned short mask;
2798 if (shift != rshift)
2799 mask = AC97_MUTE_MASK_STEREO;
2800 else
2801 mask = AC97_MUTE_MASK_MONO;
2802 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2803 (ac97->regs[AC97_MASTER] & mask) == mask ?
2804 AC97_PD_EAPD : 0);
2805 }
2806 return err;
2807 }
2808
2809 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2810 {
2811 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2812 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2813 if (! msw || ! mvol)
2814 return -ENOENT;
2815 msw->put = hp_master_mute_sw_put;
2816 mvol->put = bind_hp_volsw_put;
2817 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2818 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2819 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2820 snd_ac97_update_bits(
2821 ac97, AC97_POWERDOWN,
2822 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2823 );
2824 return 0;
2825 }
2826
2827 struct quirk_table {
2828 const char *name;
2829 int (*func)(struct snd_ac97 *);
2830 };
2831
2832 static const struct quirk_table applicable_quirks[] = {
2833 { "none", NULL },
2834 { "hp_only", tune_hp_only },
2835 { "swap_hp", tune_swap_hp },
2836 { "swap_surround", tune_swap_surround },
2837 { "ad_sharing", tune_ad_sharing },
2838 { "alc_jack", tune_alc_jack },
2839 { "inv_eapd", tune_inv_eapd },
2840 { "mute_led", tune_mute_led },
2841 { "hp_mute_led", tune_hp_mute_led },
2842 };
2843
2844 /* apply the quirk with the given type */
2845 static int apply_quirk(struct snd_ac97 *ac97, int type)
2846 {
2847 if (type <= 0)
2848 return 0;
2849 else if (type >= ARRAY_SIZE(applicable_quirks))
2850 return -EINVAL;
2851 if (applicable_quirks[type].func)
2852 return applicable_quirks[type].func(ac97);
2853 return 0;
2854 }
2855
2856 /* apply the quirk with the given name */
2857 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2858 {
2859 int i;
2860 const struct quirk_table *q;
2861
2862 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2863 q = &applicable_quirks[i];
2864 if (q->name && ! strcmp(typestr, q->name))
2865 return apply_quirk(ac97, i);
2866 }
2867 /* for compatibility, accept the numbers, too */
2868 if (*typestr >= '0' && *typestr <= '9')
2869 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2870 return -EINVAL;
2871 }
2872
2873 /**
2874 * snd_ac97_tune_hardware - tune up the hardware
2875 * @ac97: the ac97 instance
2876 * @quirk: quirk list
2877 * @override: explicit quirk value (overrides the list if non-NULL)
2878 *
2879 * Do some workaround for each pci device, such as renaming of the
2880 * headphone (true line-out) control as "Master".
2881 * The quirk-list must be terminated with a zero-filled entry.
2882 *
2883 * Return: Zero if successful, or a negative error code on failure.
2884 */
2885
2886 int snd_ac97_tune_hardware(struct snd_ac97 *ac97,
2887 const struct ac97_quirk *quirk, const char *override)
2888 {
2889 int result;
2890
2891 /* quirk overriden? */
2892 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2893 result = apply_quirk_str(ac97, override);
2894 if (result < 0)
2895 ac97_err(ac97, "applying quirk type %s failed (%d)\n",
2896 override, result);
2897 return result;
2898 }
2899
2900 if (! quirk)
2901 return -EINVAL;
2902
2903 for (; quirk->subvendor; quirk++) {
2904 if (quirk->subvendor != ac97->subsystem_vendor)
2905 continue;
2906 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2907 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2908 if (quirk->codec_id && quirk->codec_id != ac97->id)
2909 continue;
2910 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n",
2911 quirk->name, ac97->subsystem_vendor,
2912 ac97->subsystem_device);
2913 result = apply_quirk(ac97, quirk->type);
2914 if (result < 0)
2915 ac97_err(ac97,
2916 "applying quirk type %d for %s failed (%d)\n",
2917 quirk->type, quirk->name, result);
2918 return result;
2919 }
2920 }
2921 return 0;
2922 }
2923
2924 EXPORT_SYMBOL(snd_ac97_tune_hardware);
Linux with added FPC-III support