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 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
156 { 0x53544d02, 0xffffffff, "ST7597", NULL, NULL },
157 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
158 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL },
159 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
160 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
161 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
162 { 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL },
163 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
164 { 0x56494120, 0xfffffff0, "VIA1613", patch_vt1613, NULL },
165 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
166 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
167 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL },
168 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
169 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL },
170 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
171 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
172 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
173 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
174 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL},
175 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
176 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL },
177 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
178 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
179 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
180 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
181 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
182 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
183 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
184 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
185 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
186 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
187 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
188 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
189 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
190 { 0, 0, NULL, NULL, NULL }
191 };
192
193
194 static void update_power_regs(struct snd_ac97 *ac97);
195 #ifdef CONFIG_SND_AC97_POWER_SAVE
196 #define ac97_is_power_save_mode(ac97) \
197 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
198 #else
199 #define ac97_is_power_save_mode(ac97) 0
200 #endif
201
202 #define ac97_err(ac97, fmt, args...) \
203 dev_err((ac97)->bus->card->dev, fmt, ##args)
204 #define ac97_warn(ac97, fmt, args...) \
205 dev_warn((ac97)->bus->card->dev, fmt, ##args)
206 #define ac97_dbg(ac97, fmt, args...) \
207 dev_dbg((ac97)->bus->card->dev, fmt, ##args)
208
209 /*
210 * I/O routines
211 */
212
213 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
214 {
215 /* filter some registers for buggy codecs */
216 switch (ac97->id) {
217 case AC97_ID_ST_AC97_ID4:
218 if (reg == 0x08)
219 return 0;
220 fallthrough;
221 case AC97_ID_ST7597:
222 if (reg == 0x22 || reg == 0x7a)
223 return 1;
224 fallthrough;
225 case AC97_ID_AK4540:
226 case AC97_ID_AK4542:
227 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
228 return 1;
229 return 0;
230 case AC97_ID_AD1819: /* AD1819 */
231 case AC97_ID_AD1881: /* AD1881 */
232 case AC97_ID_AD1881A: /* AD1881A */
233 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
234 return 0;
235 return 1;
236 case AC97_ID_AD1885: /* AD1885 */
237 case AC97_ID_AD1886: /* AD1886 */
238 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
239 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
240 if (reg == 0x5a)
241 return 1;
242 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
243 return 0;
244 return 1;
245 case AC97_ID_STAC9700:
246 case AC97_ID_STAC9704:
247 case AC97_ID_STAC9705:
248 case AC97_ID_STAC9708:
249 case AC97_ID_STAC9721:
250 case AC97_ID_STAC9744:
251 case AC97_ID_STAC9756:
252 if (reg <= 0x3a || reg >= 0x5a)
253 return 1;
254 return 0;
255 }
256 return 1;
257 }
258
259 /**
260 * snd_ac97_write - write a value on the given register
261 * @ac97: the ac97 instance
262 * @reg: the register to change
263 * @value: the value to set
264 *
265 * Writes a value on the given register. This will invoke the write
266 * callback directly after the register check.
267 * This function doesn't change the register cache unlike
268 * #snd_ca97_write_cache(), so use this only when you don't want to
269 * reflect the change to the suspend/resume state.
270 */
271 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
272 {
273 if (!snd_ac97_valid_reg(ac97, reg))
274 return;
275 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
276 /* Fix H/W bug of ALC100/100P */
277 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
278 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
279 }
280 ac97->bus->ops->write(ac97, reg, value);
281 }
282
283 EXPORT_SYMBOL(snd_ac97_write);
284
285 /**
286 * snd_ac97_read - read a value from the given register
287 *
288 * @ac97: the ac97 instance
289 * @reg: the register to read
290 *
291 * Reads a value from the given register. This will invoke the read
292 * callback directly after the register check.
293 *
294 * Return: The read value.
295 */
296 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
297 {
298 if (!snd_ac97_valid_reg(ac97, reg))
299 return 0;
300 return ac97->bus->ops->read(ac97, reg);
301 }
302
303 /* read a register - return the cached value if already read */
304 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
305 {
306 if (! test_bit(reg, ac97->reg_accessed)) {
307 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
308 // set_bit(reg, ac97->reg_accessed);
309 }
310 return ac97->regs[reg];
311 }
312
313 EXPORT_SYMBOL(snd_ac97_read);
314
315 /**
316 * snd_ac97_write_cache - write a value on the given register and update the cache
317 * @ac97: the ac97 instance
318 * @reg: the register to change
319 * @value: the value to set
320 *
321 * Writes a value on the given register and updates the register
322 * cache. The cached values are used for the cached-read and the
323 * suspend/resume.
324 */
325 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
326 {
327 if (!snd_ac97_valid_reg(ac97, reg))
328 return;
329 mutex_lock(&ac97->reg_mutex);
330 ac97->regs[reg] = value;
331 ac97->bus->ops->write(ac97, reg, value);
332 set_bit(reg, ac97->reg_accessed);
333 mutex_unlock(&ac97->reg_mutex);
334 }
335
336 EXPORT_SYMBOL(snd_ac97_write_cache);
337
338 /**
339 * snd_ac97_update - update the value on the given register
340 * @ac97: the ac97 instance
341 * @reg: the register to change
342 * @value: the value to set
343 *
344 * Compares the value with the register cache and updates the value
345 * only when the value is changed.
346 *
347 * Return: 1 if the value is changed, 0 if no change, or a negative
348 * code on failure.
349 */
350 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
351 {
352 int change;
353
354 if (!snd_ac97_valid_reg(ac97, reg))
355 return -EINVAL;
356 mutex_lock(&ac97->reg_mutex);
357 change = ac97->regs[reg] != value;
358 if (change) {
359 ac97->regs[reg] = value;
360 ac97->bus->ops->write(ac97, reg, value);
361 }
362 set_bit(reg, ac97->reg_accessed);
363 mutex_unlock(&ac97->reg_mutex);
364 return change;
365 }
366
367 EXPORT_SYMBOL(snd_ac97_update);
368
369 /**
370 * snd_ac97_update_bits - update the bits on the given register
371 * @ac97: the ac97 instance
372 * @reg: the register to change
373 * @mask: the bit-mask to change
374 * @value: the value to set
375 *
376 * Updates the masked-bits on the given register only when the value
377 * is changed.
378 *
379 * Return: 1 if the bits are changed, 0 if no change, or a negative
380 * code on failure.
381 */
382 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
383 {
384 int change;
385
386 if (!snd_ac97_valid_reg(ac97, reg))
387 return -EINVAL;
388 mutex_lock(&ac97->reg_mutex);
389 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
390 mutex_unlock(&ac97->reg_mutex);
391 return change;
392 }
393
394 EXPORT_SYMBOL(snd_ac97_update_bits);
395
396 /* no lock version - see snd_ac97_update_bits() */
397 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
398 unsigned short mask, unsigned short value)
399 {
400 int change;
401 unsigned short old, new;
402
403 old = snd_ac97_read_cache(ac97, reg);
404 new = (old & ~mask) | (value & mask);
405 change = old != new;
406 if (change) {
407 ac97->regs[reg] = new;
408 ac97->bus->ops->write(ac97, reg, new);
409 }
410 set_bit(reg, ac97->reg_accessed);
411 return change;
412 }
413
414 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
415 {
416 int change;
417 unsigned short old, new, cfg;
418
419 mutex_lock(&ac97->page_mutex);
420 old = ac97->spec.ad18xx.pcmreg[codec];
421 new = (old & ~mask) | (value & mask);
422 change = old != new;
423 if (change) {
424 mutex_lock(&ac97->reg_mutex);
425 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
426 ac97->spec.ad18xx.pcmreg[codec] = new;
427 /* select single codec */
428 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
429 (cfg & ~0x7000) |
430 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
431 /* update PCM bits */
432 ac97->bus->ops->write(ac97, AC97_PCM, new);
433 /* select all codecs */
434 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
435 cfg | 0x7000);
436 mutex_unlock(&ac97->reg_mutex);
437 }
438 mutex_unlock(&ac97->page_mutex);
439 return change;
440 }
441
442 /*
443 * Controls
444 */
445
446 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
447 struct snd_ctl_elem_info *uinfo)
448 {
449 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
450
451 return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2,
452 e->mask, e->texts);
453 }
454
455 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
456 struct snd_ctl_elem_value *ucontrol)
457 {
458 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
459 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
460 unsigned short val, bitmask;
461
462 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
463 ;
464 val = snd_ac97_read_cache(ac97, e->reg);
465 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
466 if (e->shift_l != e->shift_r)
467 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
468
469 return 0;
470 }
471
472 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
473 struct snd_ctl_elem_value *ucontrol)
474 {
475 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
476 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
477 unsigned short val;
478 unsigned short mask, bitmask;
479
480 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
481 ;
482 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
483 return -EINVAL;
484 val = ucontrol->value.enumerated.item[0] << e->shift_l;
485 mask = (bitmask - 1) << e->shift_l;
486 if (e->shift_l != e->shift_r) {
487 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
488 return -EINVAL;
489 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
490 mask |= (bitmask - 1) << e->shift_r;
491 }
492 return snd_ac97_update_bits(ac97, e->reg, mask, val);
493 }
494
495 /* save/restore ac97 v2.3 paging */
496 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
497 {
498 int page_save = -1;
499 if ((kcontrol->private_value & (1<<25)) &&
500 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
501 (reg >= 0x60 && reg < 0x70)) {
502 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
503 mutex_lock(&ac97->page_mutex); /* lock paging */
504 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
505 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
506 }
507 return page_save;
508 }
509
510 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
511 {
512 if (page_save >= 0) {
513 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
514 mutex_unlock(&ac97->page_mutex); /* unlock paging */
515 }
516 }
517
518 /* volume and switch controls */
519 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
520 struct snd_ctl_elem_info *uinfo)
521 {
522 int mask = (kcontrol->private_value >> 16) & 0xff;
523 int shift = (kcontrol->private_value >> 8) & 0x0f;
524 int rshift = (kcontrol->private_value >> 12) & 0x0f;
525
526 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
527 uinfo->count = shift == rshift ? 1 : 2;
528 uinfo->value.integer.min = 0;
529 uinfo->value.integer.max = mask;
530 return 0;
531 }
532
533 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
534 struct snd_ctl_elem_value *ucontrol)
535 {
536 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
537 int reg = kcontrol->private_value & 0xff;
538 int shift = (kcontrol->private_value >> 8) & 0x0f;
539 int rshift = (kcontrol->private_value >> 12) & 0x0f;
540 int mask = (kcontrol->private_value >> 16) & 0xff;
541 int invert = (kcontrol->private_value >> 24) & 0x01;
542 int page_save;
543
544 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
545 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
546 if (shift != rshift)
547 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
548 if (invert) {
549 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
550 if (shift != rshift)
551 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
552 }
553 snd_ac97_page_restore(ac97, page_save);
554 return 0;
555 }
556
557 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
558 struct snd_ctl_elem_value *ucontrol)
559 {
560 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
561 int reg = kcontrol->private_value & 0xff;
562 int shift = (kcontrol->private_value >> 8) & 0x0f;
563 int rshift = (kcontrol->private_value >> 12) & 0x0f;
564 int mask = (kcontrol->private_value >> 16) & 0xff;
565 int invert = (kcontrol->private_value >> 24) & 0x01;
566 int err, page_save;
567 unsigned short val, val2, val_mask;
568
569 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
570 val = (ucontrol->value.integer.value[0] & mask);
571 if (invert)
572 val = mask - val;
573 val_mask = mask << shift;
574 val = val << shift;
575 if (shift != rshift) {
576 val2 = (ucontrol->value.integer.value[1] & mask);
577 if (invert)
578 val2 = mask - val2;
579 val_mask |= mask << rshift;
580 val |= val2 << rshift;
581 }
582 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
583 snd_ac97_page_restore(ac97, page_save);
584 #ifdef CONFIG_SND_AC97_POWER_SAVE
585 /* check analog mixer power-down */
586 if ((val_mask & AC97_PD_EAPD) &&
587 (kcontrol->private_value & (1<<30))) {
588 if (val & AC97_PD_EAPD)
589 ac97->power_up &= ~(1 << (reg>>1));
590 else
591 ac97->power_up |= 1 << (reg>>1);
592 update_power_regs(ac97);
593 }
594 #endif
595 return err;
596 }
597
598 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
599 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
600 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
601 };
602
603 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
604 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
605 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1)
606 };
607
608 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
609 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
610
611
612 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
613 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
614 static const char* std_mix[] = {"Mix", "Mic"};
615 static const char* std_mic[] = {"Mic1", "Mic2"};
616
617 static const struct ac97_enum std_enum[] = {
618 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
619 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
621 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
622 };
623
624 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
625 AC97_ENUM("Capture Source", std_enum[0]);
626
627 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
628 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
629
630 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
631 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
632 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
633 };
634
635 enum {
636 AC97_GENERAL_PCM_OUT = 0,
637 AC97_GENERAL_STEREO_ENHANCEMENT,
638 AC97_GENERAL_3D,
639 AC97_GENERAL_LOUDNESS,
640 AC97_GENERAL_MONO,
641 AC97_GENERAL_MIC,
642 AC97_GENERAL_LOOPBACK
643 };
644
645 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
646 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
647 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
648 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
649 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
650 AC97_ENUM("Mono Output Select", std_enum[2]),
651 AC97_ENUM("Mic Select", std_enum[3]),
652 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
653 };
654
655 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
656 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
657 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
658 };
659
660 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
661 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
662 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
663 };
664
665 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
666 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
667 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
668 };
669
670 static const struct snd_kcontrol_new snd_ac97_control_eapd =
671 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
672
673 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
674 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
675 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
676 };
677
678 /* change the existing EAPD control as inverted */
679 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
680 {
681 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
682 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
683 ac97->scaps |= AC97_SCAP_INV_EAPD;
684 }
685
686 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
687 {
688 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
689 uinfo->count = 1;
690 return 0;
691 }
692
693 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
694 {
695 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
696 IEC958_AES0_NONAUDIO |
697 IEC958_AES0_CON_EMPHASIS_5015 |
698 IEC958_AES0_CON_NOT_COPYRIGHT;
699 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
700 IEC958_AES1_CON_ORIGINAL;
701 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
702 return 0;
703 }
704
705 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
706 {
707 /* FIXME: AC'97 spec doesn't say which bits are used for what */
708 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
709 IEC958_AES0_NONAUDIO |
710 IEC958_AES0_PRO_FS |
711 IEC958_AES0_PRO_EMPHASIS_5015;
712 return 0;
713 }
714
715 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
716 {
717 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
718
719 mutex_lock(&ac97->reg_mutex);
720 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
721 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
722 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
723 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
724 mutex_unlock(&ac97->reg_mutex);
725 return 0;
726 }
727
728 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
729 {
730 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
731 unsigned int new = 0;
732 unsigned short val = 0;
733 int change;
734
735 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
736 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
737 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
738 switch (new & IEC958_AES0_PRO_FS) {
739 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
740 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
741 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
742 default: val |= 1<<12; break;
743 }
744 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
745 val |= 1<<3;
746 } else {
747 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
748 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
749 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
750 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
751 val |= 1<<3;
752 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
753 val |= 1<<2;
754 val |= ((new >> 8) & 0xff) << 4; // category + original
755 switch ((new >> 24) & 0xff) {
756 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
757 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
758 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
759 default: val |= 1<<12; break;
760 }
761 }
762
763 mutex_lock(&ac97->reg_mutex);
764 change = ac97->spdif_status != new;
765 ac97->spdif_status = new;
766
767 if (ac97->flags & AC97_CS_SPDIF) {
768 int x = (val >> 12) & 0x03;
769 switch (x) {
770 case 0: x = 1; break; // 44.1
771 case 2: x = 0; break; // 48.0
772 default: x = 0; break; // illegal.
773 }
774 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
775 } else if (ac97->flags & AC97_CX_SPDIF) {
776 int v;
777 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
778 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
779 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
780 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
781 v);
782 } else if (ac97->id == AC97_ID_YMF743) {
783 change |= snd_ac97_update_bits_nolock(ac97,
784 AC97_YMF7X3_DIT_CTRL,
785 0xff38,
786 ((val << 4) & 0xff00) |
787 ((val << 2) & 0x0038));
788 } else {
789 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
790 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
791
792 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
793 if (extst & AC97_EA_SPDIF) {
794 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
795 }
796 }
797 mutex_unlock(&ac97->reg_mutex);
798
799 return change;
800 }
801
802 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
803 {
804 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
805 int reg = kcontrol->private_value & 0xff;
806 int shift = (kcontrol->private_value >> 8) & 0x0f;
807 int mask = (kcontrol->private_value >> 16) & 0xff;
808 // int invert = (kcontrol->private_value >> 24) & 0xff;
809 unsigned short value, old, new;
810 int change;
811
812 value = (ucontrol->value.integer.value[0] & mask);
813
814 mutex_lock(&ac97->reg_mutex);
815 mask <<= shift;
816 value <<= shift;
817 old = snd_ac97_read_cache(ac97, reg);
818 new = (old & ~mask) | value;
819 change = old != new;
820
821 if (change) {
822 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
823 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
824 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
825 if (extst & AC97_EA_SPDIF)
826 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
827 }
828 mutex_unlock(&ac97->reg_mutex);
829 return change;
830 }
831
832 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
833 {
834 .access = SNDRV_CTL_ELEM_ACCESS_READ,
835 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
836 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
837 .info = snd_ac97_spdif_mask_info,
838 .get = snd_ac97_spdif_cmask_get,
839 },
840 {
841 .access = SNDRV_CTL_ELEM_ACCESS_READ,
842 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
843 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
844 .info = snd_ac97_spdif_mask_info,
845 .get = snd_ac97_spdif_pmask_get,
846 },
847 {
848 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
849 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
850 .info = snd_ac97_spdif_mask_info,
851 .get = snd_ac97_spdif_default_get,
852 .put = snd_ac97_spdif_default_put,
853 },
854
855 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
856 {
857 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
858 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
859 .info = snd_ac97_info_volsw,
860 .get = snd_ac97_get_volsw,
861 .put = snd_ac97_put_spsa,
862 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
863 },
864 };
865
866 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
867 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
868 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
869 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
870
871 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
872 {
873 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
874 int mask = (kcontrol->private_value >> 16) & 0x0f;
875 int lshift = (kcontrol->private_value >> 8) & 0x0f;
876 int rshift = (kcontrol->private_value >> 12) & 0x0f;
877
878 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
879 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
880 uinfo->count = 2;
881 else
882 uinfo->count = 1;
883 uinfo->value.integer.min = 0;
884 uinfo->value.integer.max = mask;
885 return 0;
886 }
887
888 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
889 {
890 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
891 int codec = kcontrol->private_value & 3;
892 int lshift = (kcontrol->private_value >> 8) & 0x0f;
893 int rshift = (kcontrol->private_value >> 12) & 0x0f;
894 int mask = (kcontrol->private_value >> 16) & 0xff;
895
896 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
897 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
898 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
899 return 0;
900 }
901
902 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
903 {
904 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
905 int codec = kcontrol->private_value & 3;
906 int lshift = (kcontrol->private_value >> 8) & 0x0f;
907 int rshift = (kcontrol->private_value >> 12) & 0x0f;
908 int mask = (kcontrol->private_value >> 16) & 0xff;
909 unsigned short val, valmask;
910
911 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
912 valmask = mask << lshift;
913 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
914 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
915 valmask |= mask << rshift;
916 }
917 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
918 }
919
920 #define AD18XX_PCM_VOLUME(xname, codec) \
921 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
922 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
923 .private_value = codec }
924
925 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
926 {
927 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
928 uinfo->count = 2;
929 uinfo->value.integer.min = 0;
930 uinfo->value.integer.max = 31;
931 return 0;
932 }
933
934 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
935 {
936 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
937 int codec = kcontrol->private_value & 3;
938
939 mutex_lock(&ac97->page_mutex);
940 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
941 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
942 mutex_unlock(&ac97->page_mutex);
943 return 0;
944 }
945
946 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
947 {
948 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
949 int codec = kcontrol->private_value & 3;
950 unsigned short val1, val2;
951
952 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
953 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
954 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
955 }
956
957 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
958 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
959 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
960 };
961
962 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
963 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
964 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
965 };
966
967 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
968 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
969 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
970 };
971
972 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
973 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
974 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
975 };
976
977 /*
978 *
979 */
980
981 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
982
983 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
984 {
985 if (bus) {
986 snd_ac97_bus_proc_done(bus);
987 kfree(bus->pcms);
988 if (bus->private_free)
989 bus->private_free(bus);
990 kfree(bus);
991 }
992 return 0;
993 }
994
995 static int snd_ac97_bus_dev_free(struct snd_device *device)
996 {
997 struct snd_ac97_bus *bus = device->device_data;
998 return snd_ac97_bus_free(bus);
999 }
1000
1001 static int snd_ac97_free(struct snd_ac97 *ac97)
1002 {
1003 if (ac97) {
1004 #ifdef CONFIG_SND_AC97_POWER_SAVE
1005 cancel_delayed_work_sync(&ac97->power_work);
1006 #endif
1007 snd_ac97_proc_done(ac97);
1008 if (ac97->bus)
1009 ac97->bus->codec[ac97->num] = NULL;
1010 if (ac97->private_free)
1011 ac97->private_free(ac97);
1012 kfree(ac97);
1013 }
1014 return 0;
1015 }
1016
1017 static int snd_ac97_dev_free(struct snd_device *device)
1018 {
1019 struct snd_ac97 *ac97 = device->device_data;
1020 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1021 return snd_ac97_free(ac97);
1022 }
1023
1024 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1025 {
1026 unsigned short val, mask = AC97_MUTE_MASK_MONO;
1027
1028 if (! snd_ac97_valid_reg(ac97, reg))
1029 return 0;
1030
1031 switch (reg) {
1032 case AC97_MASTER_TONE:
1033 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0;
1034 case AC97_HEADPHONE:
1035 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0;
1036 case AC97_REC_GAIN_MIC:
1037 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0;
1038 case AC97_3D_CONTROL:
1039 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) {
1040 val = snd_ac97_read(ac97, reg);
1041 /* if nonzero - fixed and we can't set it */
1042 return val == 0;
1043 }
1044 return 0;
1045 case AC97_CENTER_LFE_MASTER: /* center */
1046 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1047 return 0;
1048 break;
1049 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1050 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1051 return 0;
1052 reg = AC97_CENTER_LFE_MASTER;
1053 mask = 0x0080;
1054 break;
1055 case AC97_SURROUND_MASTER:
1056 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1057 return 0;
1058 break;
1059 }
1060
1061 val = snd_ac97_read(ac97, reg);
1062 if (!(val & mask)) {
1063 /* nothing seems to be here - mute flag is not set */
1064 /* try another test */
1065 snd_ac97_write_cache(ac97, reg, val | mask);
1066 val = snd_ac97_read(ac97, reg);
1067 val = snd_ac97_read(ac97, reg);
1068 if (!(val & mask))
1069 return 0; /* nothing here */
1070 }
1071 return 1; /* success, useable */
1072 }
1073
1074 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1075 {
1076 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1077 unsigned char max[3] = { 63, 31, 15 };
1078 int i;
1079
1080 /* first look up the static resolution table */
1081 if (ac97->res_table) {
1082 const struct snd_ac97_res_table *tbl;
1083 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1084 if (tbl->reg == reg) {
1085 *lo_max = tbl->bits & 0xff;
1086 *hi_max = (tbl->bits >> 8) & 0xff;
1087 return;
1088 }
1089 }
1090 }
1091
1092 *lo_max = *hi_max = 0;
1093 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1094 unsigned short val;
1095 snd_ac97_write(
1096 ac97, reg,
1097 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8)
1098 );
1099 /* Do the read twice due to buffers on some ac97 codecs.
1100 * e.g. The STAC9704 returns exactly what you wrote to the register
1101 * if you read it immediately. This causes the detect routine to fail.
1102 */
1103 val = snd_ac97_read(ac97, reg);
1104 val = snd_ac97_read(ac97, reg);
1105 if (! *lo_max && (val & 0x7f) == cbit[i])
1106 *lo_max = max[i];
1107 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1108 *hi_max = max[i];
1109 if (*lo_max && *hi_max)
1110 break;
1111 }
1112 }
1113
1114 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1115 {
1116 unsigned short mask, val, orig, res;
1117
1118 mask = 1 << bit;
1119 orig = snd_ac97_read(ac97, reg);
1120 val = orig ^ mask;
1121 snd_ac97_write(ac97, reg, val);
1122 res = snd_ac97_read(ac97, reg);
1123 snd_ac97_write_cache(ac97, reg, orig);
1124 return res == val;
1125 }
1126
1127 /* check the volume resolution of center/lfe */
1128 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1129 {
1130 unsigned short val, val1;
1131
1132 *max = 63;
1133 val = AC97_MUTE_MASK_STEREO | (0x20 << shift);
1134 snd_ac97_write(ac97, reg, val);
1135 val1 = snd_ac97_read(ac97, reg);
1136 if (val != val1) {
1137 *max = 31;
1138 }
1139 /* reset volume to zero */
1140 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO);
1141 }
1142
1143 static inline int printable(unsigned int x)
1144 {
1145 x &= 0xff;
1146 if (x < ' ' || x >= 0x71) {
1147 if (x <= 0x89)
1148 return x - 0x71 + 'A';
1149 return '?';
1150 }
1151 return x;
1152 }
1153
1154 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
1155 struct snd_ac97 * ac97)
1156 {
1157 struct snd_kcontrol_new template;
1158 memcpy(&template, _template, sizeof(template));
1159 template.index = ac97->num;
1160 return snd_ctl_new1(&template, ac97);
1161 }
1162
1163 /*
1164 * create mute switch(es) for normal stereo controls
1165 */
1166 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1167 int check_stereo, int check_amix,
1168 struct snd_ac97 *ac97)
1169 {
1170 struct snd_kcontrol *kctl;
1171 int err;
1172 unsigned short val, val1, mute_mask;
1173
1174 if (! snd_ac97_valid_reg(ac97, reg))
1175 return 0;
1176
1177 mute_mask = AC97_MUTE_MASK_MONO;
1178 val = snd_ac97_read(ac97, reg);
1179 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1180 /* check whether both mute bits work */
1181 val1 = val | AC97_MUTE_MASK_STEREO;
1182 snd_ac97_write(ac97, reg, val1);
1183 if (val1 == snd_ac97_read(ac97, reg))
1184 mute_mask = AC97_MUTE_MASK_STEREO;
1185 }
1186 if (mute_mask == AC97_MUTE_MASK_STEREO) {
1187 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1188 if (check_amix)
1189 tmp.private_value |= (1 << 30);
1190 tmp.index = ac97->num;
1191 kctl = snd_ctl_new1(&tmp, ac97);
1192 } else {
1193 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1194 if (check_amix)
1195 tmp.private_value |= (1 << 30);
1196 tmp.index = ac97->num;
1197 kctl = snd_ctl_new1(&tmp, ac97);
1198 }
1199 err = snd_ctl_add(card, kctl);
1200 if (err < 0)
1201 return err;
1202 /* mute as default */
1203 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1204 return 0;
1205 }
1206
1207 /*
1208 * set dB information
1209 */
1210 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1211 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1212 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1213 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1214 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1215
1216 static const unsigned int *find_db_scale(unsigned int maxval)
1217 {
1218 switch (maxval) {
1219 case 0x0f: return db_scale_4bit;
1220 case 0x1f: return db_scale_5bit;
1221 case 0x3f: return db_scale_6bit;
1222 }
1223 return NULL;
1224 }
1225
1226 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1227 {
1228 kctl->tlv.p = tlv;
1229 if (tlv)
1230 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1231 }
1232
1233 /*
1234 * create a volume for normal stereo/mono controls
1235 */
1236 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1237 unsigned int hi_max, struct snd_ac97 *ac97)
1238 {
1239 int err;
1240 struct snd_kcontrol *kctl;
1241
1242 if (! snd_ac97_valid_reg(ac97, reg))
1243 return 0;
1244 if (hi_max) {
1245 /* invert */
1246 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1247 tmp.index = ac97->num;
1248 kctl = snd_ctl_new1(&tmp, ac97);
1249 } else {
1250 /* invert */
1251 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1252 tmp.index = ac97->num;
1253 kctl = snd_ctl_new1(&tmp, ac97);
1254 }
1255 if (!kctl)
1256 return -ENOMEM;
1257 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1258 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1259 else
1260 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1261 err = snd_ctl_add(card, kctl);
1262 if (err < 0)
1263 return err;
1264 snd_ac97_write_cache(
1265 ac97, reg,
1266 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO)
1267 | lo_max | (hi_max << 8)
1268 );
1269 return 0;
1270 }
1271
1272 /*
1273 * create a mute-switch and a volume for normal stereo/mono controls
1274 */
1275 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1276 int reg, int check_stereo, int check_amix,
1277 struct snd_ac97 *ac97)
1278 {
1279 int err;
1280 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
1281 unsigned char lo_max, hi_max;
1282
1283 if (! snd_ac97_valid_reg(ac97, reg))
1284 return 0;
1285
1286 if (snd_ac97_try_bit(ac97, reg, 15)) {
1287 sprintf(name, "%s Switch", pfx);
1288 err = snd_ac97_cmute_new_stereo(card, name, reg,
1289 check_stereo, check_amix,
1290 ac97);
1291 if (err < 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 err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97);
1298 if (err < 0)
1299 return err;
1300 }
1301 return 0;
1302 }
1303
1304 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1305 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1306 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1307 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1308
1309 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1310
1311 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1312 {
1313 struct snd_card *card = ac97->bus->card;
1314 struct snd_kcontrol *kctl;
1315 int err;
1316 unsigned int idx;
1317 unsigned char max;
1318
1319 /* build master controls */
1320 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1321 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1322 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1323 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1324 AC97_MASTER, 0, ac97);
1325 else
1326 err = snd_ac97_cmix_new(card, "Master Playback",
1327 AC97_MASTER, 0, ac97);
1328 if (err < 0)
1329 return err;
1330 }
1331
1332 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO;
1333
1334 /* build center controls */
1335 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1336 && !(ac97->flags & AC97_AD_MULTI)) {
1337 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97));
1338 if (err < 0)
1339 return err;
1340 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97));
1341 if (err < 0)
1342 return err;
1343 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1344 kctl->private_value &= ~(0xff << 16);
1345 kctl->private_value |= (int)max << 16;
1346 set_tlv_db_scale(kctl, find_db_scale(max));
1347 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1348 }
1349
1350 /* build LFE controls */
1351 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1352 && !(ac97->flags & AC97_AD_MULTI)) {
1353 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97));
1354 if (err < 0)
1355 return err;
1356 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97));
1357 if (err < 0)
1358 return err;
1359 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1360 kctl->private_value &= ~(0xff << 16);
1361 kctl->private_value |= (int)max << 16;
1362 set_tlv_db_scale(kctl, find_db_scale(max));
1363 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1364 }
1365
1366 /* build surround controls */
1367 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1368 && !(ac97->flags & AC97_AD_MULTI)) {
1369 /* Surround Master (0x38) is with stereo mutes */
1370 err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1371 AC97_SURROUND_MASTER, 1, 0,
1372 ac97);
1373 if (err < 0)
1374 return err;
1375 }
1376
1377 /* build headphone controls */
1378 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1379 err = snd_ac97_cmix_new(card, "Headphone Playback",
1380 AC97_HEADPHONE, 0, ac97);
1381 if (err < 0)
1382 return err;
1383 }
1384
1385 /* build master mono controls */
1386 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1387 err = snd_ac97_cmix_new(card, "Master Mono Playback",
1388 AC97_MASTER_MONO, 0, ac97);
1389 if (err < 0)
1390 return err;
1391 }
1392
1393 /* build master tone controls */
1394 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1395 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1396 for (idx = 0; idx < 2; idx++) {
1397 kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97);
1398 err = snd_ctl_add(card, kctl);
1399 if (err < 0)
1400 return err;
1401 if (ac97->id == AC97_ID_YMF743 ||
1402 ac97->id == AC97_ID_YMF753) {
1403 kctl->private_value &= ~(0xff << 16);
1404 kctl->private_value |= 7 << 16;
1405 }
1406 }
1407 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1408 }
1409 }
1410
1411 /* build Beep controls */
1412 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1413 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1414 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1415 for (idx = 0; idx < 2; idx++) {
1416 kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97);
1417 err = snd_ctl_add(card, kctl);
1418 if (err < 0)
1419 return err;
1420 }
1421 set_tlv_db_scale(kctl, db_scale_4bit);
1422 snd_ac97_write_cache(
1423 ac97,
1424 AC97_PC_BEEP,
1425 (snd_ac97_read(ac97, AC97_PC_BEEP)
1426 | AC97_MUTE_MASK_MONO | 0x001e)
1427 );
1428 }
1429
1430 /* build Phone controls */
1431 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1432 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1433 err = snd_ac97_cmix_new(card, "Phone Playback",
1434 AC97_PHONE, 1, ac97);
1435 if (err < 0)
1436 return err;
1437 }
1438 }
1439
1440 /* build MIC controls */
1441 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1442 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1443 err = snd_ac97_cmix_new(card, "Mic Playback",
1444 AC97_MIC, 1, ac97);
1445 if (err < 0)
1446 return err;
1447 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97));
1448 if (err < 0)
1449 return err;
1450 }
1451 }
1452
1453 /* build Line controls */
1454 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1455 err = snd_ac97_cmix_new(card, "Line Playback",
1456 AC97_LINE, 1, ac97);
1457 if (err < 0)
1458 return err;
1459 }
1460
1461 /* build CD controls */
1462 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1463 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1464 err = snd_ac97_cmix_new(card, "CD Playback",
1465 AC97_CD, 1, ac97);
1466 if (err < 0)
1467 return err;
1468 }
1469 }
1470
1471 /* build Video controls */
1472 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1473 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1474 err = snd_ac97_cmix_new(card, "Video Playback",
1475 AC97_VIDEO, 1, ac97);
1476 if (err < 0)
1477 return err;
1478 }
1479 }
1480
1481 /* build Aux controls */
1482 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1483 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1484 err = snd_ac97_cmix_new(card, "Aux Playback",
1485 AC97_AUX, 1, ac97);
1486 if (err < 0)
1487 return err;
1488 }
1489 }
1490
1491 /* build PCM controls */
1492 if (ac97->flags & AC97_AD_MULTI) {
1493 unsigned short init_val;
1494 if (ac97->flags & AC97_STEREO_MUTES)
1495 init_val = 0x9f9f;
1496 else
1497 init_val = 0x9f1f;
1498 for (idx = 0; idx < 2; idx++) {
1499 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97);
1500 err = snd_ctl_add(card, kctl);
1501 if (err < 0)
1502 return err;
1503 }
1504 set_tlv_db_scale(kctl, db_scale_5bit);
1505 ac97->spec.ad18xx.pcmreg[0] = init_val;
1506 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1507 for (idx = 0; idx < 2; idx++) {
1508 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97);
1509 err = snd_ctl_add(card, kctl);
1510 if (err < 0)
1511 return err;
1512 }
1513 set_tlv_db_scale(kctl, db_scale_5bit);
1514 ac97->spec.ad18xx.pcmreg[1] = init_val;
1515 }
1516 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1517 for (idx = 0; idx < 2; idx++) {
1518 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97);
1519 err = snd_ctl_add(card, kctl);
1520 if (err < 0)
1521 return err;
1522 }
1523 set_tlv_db_scale(kctl, db_scale_5bit);
1524 for (idx = 0; idx < 2; idx++) {
1525 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97);
1526 err = snd_ctl_add(card, kctl);
1527 if (err < 0)
1528 return err;
1529 }
1530 set_tlv_db_scale(kctl, db_scale_5bit);
1531 ac97->spec.ad18xx.pcmreg[2] = init_val;
1532 }
1533 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1534 } else {
1535 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1536 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1537 err = snd_ac97_cmute_new(card,
1538 "PCM Playback Switch",
1539 AC97_PCM, 0, ac97);
1540 else
1541 err = snd_ac97_cmix_new(card, "PCM Playback",
1542 AC97_PCM, 0, ac97);
1543 if (err < 0)
1544 return err;
1545 }
1546 }
1547
1548 /* build Capture controls */
1549 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1550 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97));
1551 if (err < 0)
1552 return err;
1553 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1554 err = snd_ac97_cmute_new(card, "Capture Switch",
1555 AC97_REC_GAIN, 0, ac97);
1556 if (err < 0)
1557 return err;
1558 }
1559 kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97);
1560 err = snd_ctl_add(card, kctl);
1561 if (err < 0)
1562 return err;
1563 set_tlv_db_scale(kctl, db_scale_rec_gain);
1564 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1565 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1566 }
1567 /* build MIC Capture controls */
1568 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1569 for (idx = 0; idx < 2; idx++) {
1570 kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97);
1571 err = snd_ctl_add(card, kctl);
1572 if (err < 0)
1573 return err;
1574 }
1575 set_tlv_db_scale(kctl, db_scale_rec_gain);
1576 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1577 }
1578
1579 /* build PCM out path & mute control */
1580 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1581 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97));
1582 if (err < 0)
1583 return err;
1584 }
1585
1586 /* build Simulated Stereo Enhancement control */
1587 if (ac97->caps & AC97_BC_SIM_STEREO) {
1588 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97));
1589 if (err < 0)
1590 return err;
1591 }
1592
1593 /* build 3D Stereo Enhancement control */
1594 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1595 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97));
1596 if (err < 0)
1597 return err;
1598 }
1599
1600 /* build Loudness control */
1601 if (ac97->caps & AC97_BC_LOUDNESS) {
1602 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97));
1603 if (err < 0)
1604 return err;
1605 }
1606
1607 /* build Mono output select control */
1608 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1609 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97));
1610 if (err < 0)
1611 return err;
1612 }
1613
1614 /* build Mic select control */
1615 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1616 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97));
1617 if (err < 0)
1618 return err;
1619 }
1620
1621 /* build ADC/DAC loopback control */
1622 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1623 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97));
1624 if (err < 0)
1625 return err;
1626 }
1627
1628 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1629
1630 /* build 3D controls */
1631 if (ac97->build_ops->build_3d) {
1632 ac97->build_ops->build_3d(ac97);
1633 } else {
1634 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1635 unsigned short val;
1636 val = 0x0707;
1637 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1638 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1639 val = val == 0x0606;
1640 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97);
1641 err = snd_ctl_add(card, kctl);
1642 if (err < 0)
1643 return err;
1644 if (val)
1645 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1646 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97);
1647 err = snd_ctl_add(card, kctl);
1648 if (err < 0)
1649 return err;
1650 if (val)
1651 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1652 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1653 }
1654 }
1655
1656 /* build S/PDIF controls */
1657
1658 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1659 if (ac97->subsystem_vendor == 0x1043 &&
1660 ac97->subsystem_device == 0x810f)
1661 ac97->ext_id |= AC97_EI_SPDIF;
1662
1663 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1664 if (ac97->build_ops->build_spdif) {
1665 err = ac97->build_ops->build_spdif(ac97);
1666 if (err < 0)
1667 return err;
1668 } else {
1669 for (idx = 0; idx < 5; idx++) {
1670 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97));
1671 if (err < 0)
1672 return err;
1673 }
1674 if (ac97->build_ops->build_post_spdif) {
1675 err = ac97->build_ops->build_post_spdif(ac97);
1676 if (err < 0)
1677 return err;
1678 }
1679 /* set default PCM S/PDIF params */
1680 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1681 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1682 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1683 }
1684 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1685 }
1686
1687 /* build chip specific controls */
1688 if (ac97->build_ops->build_specific) {
1689 err = ac97->build_ops->build_specific(ac97);
1690 if (err < 0)
1691 return err;
1692 }
1693
1694 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1695 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1696 if (! kctl)
1697 return -ENOMEM;
1698 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1699 set_inv_eapd(ac97, kctl);
1700 err = snd_ctl_add(card, kctl);
1701 if (err < 0)
1702 return err;
1703 }
1704
1705 return 0;
1706 }
1707
1708 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1709 {
1710 int err, idx;
1711
1712 /*
1713 ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n",
1714 snd_ac97_read(ac97,AC97_GPIO_CFG));
1715 */
1716 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1717 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1718 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1719 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1720 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1721
1722 /* build modem switches */
1723 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) {
1724 err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97));
1725 if (err < 0)
1726 return err;
1727 }
1728
1729 /* build chip specific controls */
1730 if (ac97->build_ops->build_specific) {
1731 err = ac97->build_ops->build_specific(ac97);
1732 if (err < 0)
1733 return err;
1734 }
1735
1736 return 0;
1737 }
1738
1739 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1740 {
1741 unsigned short val;
1742 unsigned int tmp;
1743
1744 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1745 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1746 if (shadow_reg)
1747 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1748 val = snd_ac97_read(ac97, reg);
1749 return val == (tmp & 0xffff);
1750 }
1751
1752 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1753 {
1754 unsigned int result = 0;
1755 unsigned short saved;
1756
1757 if (ac97->bus->no_vra) {
1758 *r_result = SNDRV_PCM_RATE_48000;
1759 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1760 reg == AC97_PCM_FRONT_DAC_RATE)
1761 *r_result |= SNDRV_PCM_RATE_96000;
1762 return;
1763 }
1764
1765 saved = snd_ac97_read(ac97, reg);
1766 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1767 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1768 AC97_EA_DRA, 0);
1769 /* test a non-standard rate */
1770 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1771 result |= SNDRV_PCM_RATE_CONTINUOUS;
1772 /* let's try to obtain standard rates */
1773 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1774 result |= SNDRV_PCM_RATE_8000;
1775 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1776 result |= SNDRV_PCM_RATE_11025;
1777 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1778 result |= SNDRV_PCM_RATE_16000;
1779 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1780 result |= SNDRV_PCM_RATE_22050;
1781 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1782 result |= SNDRV_PCM_RATE_32000;
1783 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1784 result |= SNDRV_PCM_RATE_44100;
1785 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1786 result |= SNDRV_PCM_RATE_48000;
1787 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1788 reg == AC97_PCM_FRONT_DAC_RATE) {
1789 /* test standard double rates */
1790 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1791 AC97_EA_DRA, AC97_EA_DRA);
1792 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1793 result |= SNDRV_PCM_RATE_64000;
1794 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1795 result |= SNDRV_PCM_RATE_88200;
1796 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1797 result |= SNDRV_PCM_RATE_96000;
1798 /* some codecs don't support variable double rates */
1799 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1800 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1801 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1802 AC97_EA_DRA, 0);
1803 }
1804 /* restore the default value */
1805 snd_ac97_write_cache(ac97, reg, saved);
1806 if (shadow_reg)
1807 snd_ac97_write_cache(ac97, shadow_reg, saved);
1808 *r_result = result;
1809 }
1810
1811 /* check AC97_SPDIF register to accept which sample rates */
1812 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1813 {
1814 unsigned int result = 0;
1815 int i;
1816 static const unsigned short ctl_bits[] = {
1817 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1818 };
1819 static const unsigned int rate_bits[] = {
1820 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1821 };
1822
1823 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1824 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1825 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1826 result |= rate_bits[i];
1827 }
1828 return result;
1829 }
1830
1831 /* look for the codec id table matching with the given id */
1832 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1833 unsigned int id)
1834 {
1835 const struct ac97_codec_id *pid;
1836
1837 for (pid = table; pid->id; pid++)
1838 if (pid->id == (id & pid->mask))
1839 return pid;
1840 return NULL;
1841 }
1842
1843 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1844 {
1845 const struct ac97_codec_id *pid;
1846
1847 sprintf(name, "0x%x %c%c%c", id,
1848 printable(id >> 24),
1849 printable(id >> 16),
1850 printable(id >> 8));
1851 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1852 if (! pid)
1853 return;
1854
1855 strcpy(name, pid->name);
1856 if (ac97 && pid->patch) {
1857 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1858 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1859 pid->patch(ac97);
1860 }
1861
1862 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1863 if (pid) {
1864 strcat(name, " ");
1865 strcat(name, pid->name);
1866 if (pid->mask != 0xffffffff)
1867 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1868 if (ac97 && pid->patch) {
1869 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1870 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1871 pid->patch(ac97);
1872 }
1873 } else
1874 sprintf(name + strlen(name), " id %x", id & 0xff);
1875 }
1876
1877 /**
1878 * snd_ac97_get_short_name - retrieve codec name
1879 * @ac97: the codec instance
1880 *
1881 * Return: The short identifying name of the codec.
1882 */
1883 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1884 {
1885 const struct ac97_codec_id *pid;
1886
1887 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1888 if (pid->id == (ac97->id & pid->mask))
1889 return pid->name;
1890 return "unknown codec";
1891 }
1892
1893 EXPORT_SYMBOL(snd_ac97_get_short_name);
1894
1895 /* wait for a while until registers are accessible after RESET
1896 * return 0 if ok, negative not ready
1897 */
1898 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1899 {
1900 unsigned long end_time;
1901 unsigned short val;
1902
1903 end_time = jiffies + timeout;
1904 do {
1905
1906 /* use preliminary reads to settle the communication */
1907 snd_ac97_read(ac97, AC97_RESET);
1908 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1909 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1910 /* modem? */
1911 if (with_modem) {
1912 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1913 if (val != 0xffff && (val & 1) != 0)
1914 return 0;
1915 }
1916 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1917 /* probably only Xbox issue - all registers are read as zero */
1918 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1919 if (val != 0 && val != 0xffff)
1920 return 0;
1921 } else {
1922 /* because the PCM or MASTER volume registers can be modified,
1923 * the REC_GAIN register is used for tests
1924 */
1925 /* test if we can write to the record gain volume register */
1926 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1927 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1928 return 0;
1929 }
1930 schedule_timeout_uninterruptible(1);
1931 } while (time_after_eq(end_time, jiffies));
1932 return -ENODEV;
1933 }
1934
1935 /**
1936 * snd_ac97_bus - create an AC97 bus component
1937 * @card: the card instance
1938 * @num: the bus number
1939 * @ops: the bus callbacks table
1940 * @private_data: private data pointer for the new instance
1941 * @rbus: the pointer to store the new AC97 bus instance.
1942 *
1943 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1944 * allocated and initialized.
1945 *
1946 * The ops table must include valid callbacks (at least read and
1947 * write). The other callbacks, wait and reset, are not mandatory.
1948 *
1949 * The clock is set to 48000. If another clock is needed, set
1950 * ``(*rbus)->clock`` manually.
1951 *
1952 * The AC97 bus instance is registered as a low-level device, so you don't
1953 * have to release it manually.
1954 *
1955 * Return: Zero if successful, or a negative error code on failure.
1956 */
1957 int snd_ac97_bus(struct snd_card *card, int num,
1958 const struct snd_ac97_bus_ops *ops,
1959 void *private_data, struct snd_ac97_bus **rbus)
1960 {
1961 int err;
1962 struct snd_ac97_bus *bus;
1963 static const struct snd_device_ops dev_ops = {
1964 .dev_free = snd_ac97_bus_dev_free,
1965 };
1966
1967 if (snd_BUG_ON(!card))
1968 return -EINVAL;
1969 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1970 if (bus == NULL)
1971 return -ENOMEM;
1972 bus->card = card;
1973 bus->num = num;
1974 bus->ops = ops;
1975 bus->private_data = private_data;
1976 bus->clock = 48000;
1977 spin_lock_init(&bus->bus_lock);
1978 snd_ac97_bus_proc_init(bus);
1979 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
1980 if (err < 0) {
1981 snd_ac97_bus_free(bus);
1982 return err;
1983 }
1984 if (rbus)
1985 *rbus = bus;
1986 return 0;
1987 }
1988
1989 EXPORT_SYMBOL(snd_ac97_bus);
1990
1991 /* stop no dev release warning */
1992 static void ac97_device_release(struct device * dev)
1993 {
1994 }
1995
1996 /* register ac97 codec to bus */
1997 static int snd_ac97_dev_register(struct snd_device *device)
1998 {
1999 struct snd_ac97 *ac97 = device->device_data;
2000 int err;
2001
2002 ac97->dev.bus = &ac97_bus_type;
2003 ac97->dev.parent = ac97->bus->card->dev;
2004 ac97->dev.release = ac97_device_release;
2005 dev_set_name(&ac97->dev, "%d-%d:%s",
2006 ac97->bus->card->number, ac97->num,
2007 snd_ac97_get_short_name(ac97));
2008 err = device_register(&ac97->dev);
2009 if (err < 0) {
2010 ac97_err(ac97, "Can't register ac97 bus\n");
2011 put_device(&ac97->dev);
2012 ac97->dev.bus = NULL;
2013 return err;
2014 }
2015 return 0;
2016 }
2017
2018 /* disconnect ac97 codec */
2019 static int snd_ac97_dev_disconnect(struct snd_device *device)
2020 {
2021 struct snd_ac97 *ac97 = device->device_data;
2022 if (ac97->dev.bus)
2023 device_unregister(&ac97->dev);
2024 return 0;
2025 }
2026
2027 /* build_ops to do nothing */
2028 static const struct snd_ac97_build_ops null_build_ops;
2029
2030 #ifdef CONFIG_SND_AC97_POWER_SAVE
2031 static void do_update_power(struct work_struct *work)
2032 {
2033 update_power_regs(
2034 container_of(work, struct snd_ac97, power_work.work));
2035 }
2036 #endif
2037
2038 /**
2039 * snd_ac97_mixer - create an Codec97 component
2040 * @bus: the AC97 bus which codec is attached to
2041 * @template: the template of ac97, including index, callbacks and
2042 * the private data.
2043 * @rac97: the pointer to store the new ac97 instance.
2044 *
2045 * Creates an Codec97 component. An struct snd_ac97 instance is newly
2046 * allocated and initialized from the template. The codec
2047 * is then initialized by the standard procedure.
2048 *
2049 * The template must include the codec number (num) and address (addr),
2050 * and the private data (private_data).
2051 *
2052 * The ac97 instance is registered as a low-level device, so you don't
2053 * have to release it manually.
2054 *
2055 * Return: Zero if successful, or a negative error code on failure.
2056 */
2057 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
2058 {
2059 int err;
2060 struct snd_ac97 *ac97;
2061 struct snd_card *card;
2062 char name[64];
2063 unsigned long end_time;
2064 unsigned int reg;
2065 const struct ac97_codec_id *pid;
2066 static const struct snd_device_ops ops = {
2067 .dev_free = snd_ac97_dev_free,
2068 .dev_register = snd_ac97_dev_register,
2069 .dev_disconnect = snd_ac97_dev_disconnect,
2070 };
2071
2072 if (snd_BUG_ON(!bus || !template || !rac97))
2073 return -EINVAL;
2074 *rac97 = NULL;
2075 if (snd_BUG_ON(template->num >= 4))
2076 return -EINVAL;
2077 if (bus->codec[template->num])
2078 return -EBUSY;
2079
2080 card = bus->card;
2081 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
2082 if (ac97 == NULL)
2083 return -ENOMEM;
2084 ac97->private_data = template->private_data;
2085 ac97->private_free = template->private_free;
2086 ac97->bus = bus;
2087 ac97->pci = template->pci;
2088 ac97->num = template->num;
2089 ac97->addr = template->addr;
2090 ac97->scaps = template->scaps;
2091 ac97->res_table = template->res_table;
2092 bus->codec[ac97->num] = ac97;
2093 mutex_init(&ac97->reg_mutex);
2094 mutex_init(&ac97->page_mutex);
2095 #ifdef CONFIG_SND_AC97_POWER_SAVE
2096 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
2097 #endif
2098
2099 #ifdef CONFIG_PCI
2100 if (ac97->pci) {
2101 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2102 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2103 }
2104 #endif
2105 if (bus->ops->reset) {
2106 bus->ops->reset(ac97);
2107 goto __access_ok;
2108 }
2109
2110 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2111 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2112 if (ac97->id && ac97->id != (unsigned int)-1) {
2113 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2114 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2115 goto __access_ok;
2116 }
2117
2118 /* reset to defaults */
2119 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2120 snd_ac97_write(ac97, AC97_RESET, 0);
2121 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2122 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2123 if (bus->ops->wait)
2124 bus->ops->wait(ac97);
2125 else {
2126 udelay(50);
2127 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2128 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);
2129 else {
2130 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);
2131 if (err < 0)
2132 err = ac97_reset_wait(ac97,
2133 msecs_to_jiffies(500), 1);
2134 }
2135 if (err < 0) {
2136 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n",
2137 ac97->num);
2138 /* proceed anyway - it's often non-critical */
2139 }
2140 }
2141 __access_ok:
2142 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2143 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2144 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2145 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2146 ac97_err(ac97,
2147 "AC'97 %d access is not valid [0x%x], removing mixer.\n",
2148 ac97->num, ac97->id);
2149 snd_ac97_free(ac97);
2150 return -EIO;
2151 }
2152 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2153 if (pid)
2154 ac97->flags |= pid->flags;
2155
2156 /* test for AC'97 */
2157 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2158 /* test if we can write to the record gain volume register */
2159 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2160 err = snd_ac97_read(ac97, AC97_REC_GAIN);
2161 if ((err & 0x7fff) == 0x0a06)
2162 ac97->scaps |= AC97_SCAP_AUDIO;
2163 }
2164 if (ac97->scaps & AC97_SCAP_AUDIO) {
2165 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2166 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2167 if (ac97->ext_id == 0xffff) /* invalid combination */
2168 ac97->ext_id = 0;
2169 }
2170
2171 /* test for MC'97 */
2172 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2173 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2174 if (ac97->ext_mid == 0xffff) /* invalid combination */
2175 ac97->ext_mid = 0;
2176 if (ac97->ext_mid & 1)
2177 ac97->scaps |= AC97_SCAP_MODEM;
2178 }
2179
2180 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2181 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2182 ac97_err(ac97,
2183 "AC'97 %d access error (not audio or modem codec)\n",
2184 ac97->num);
2185 snd_ac97_free(ac97);
2186 return -EACCES;
2187 }
2188
2189 if (bus->ops->reset) // FIXME: always skipping?
2190 goto __ready_ok;
2191
2192 /* FIXME: add powerdown control */
2193 if (ac97_is_audio(ac97)) {
2194 /* nothing should be in powerdown mode */
2195 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2196 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2197 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2198 udelay(100);
2199 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2200 }
2201 /* nothing should be in powerdown mode */
2202 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2203 end_time = jiffies + msecs_to_jiffies(5000);
2204 do {
2205 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2206 goto __ready_ok;
2207 schedule_timeout_uninterruptible(1);
2208 } while (time_after_eq(end_time, jiffies));
2209 ac97_warn(ac97,
2210 "AC'97 %d analog subsections not ready\n", ac97->num);
2211 }
2212
2213 /* FIXME: add powerdown control */
2214 if (ac97_is_modem(ac97)) {
2215 unsigned char tmp;
2216
2217 /* nothing should be in powerdown mode */
2218 /* note: it's important to set the rate at first */
2219 tmp = AC97_MEA_GPIO;
2220 if (ac97->ext_mid & AC97_MEI_LINE1) {
2221 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2222 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2223 }
2224 if (ac97->ext_mid & AC97_MEI_LINE2) {
2225 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2226 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2227 }
2228 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2229 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2230 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2231 }
2232 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2233 udelay(100);
2234 /* nothing should be in powerdown mode */
2235 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2236 end_time = jiffies + msecs_to_jiffies(100);
2237 do {
2238 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2239 goto __ready_ok;
2240 schedule_timeout_uninterruptible(1);
2241 } while (time_after_eq(end_time, jiffies));
2242 ac97_warn(ac97,
2243 "MC'97 %d converters and GPIO not ready (0x%x)\n",
2244 ac97->num,
2245 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2246 }
2247
2248 __ready_ok:
2249 if (ac97_is_audio(ac97))
2250 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2251 else
2252 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2253 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2254 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2255 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2256 if (! bus->no_vra)
2257 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2258 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2259 }
2260 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2261 /* Intel controllers require double rate data to be put in
2262 * slots 7+8, so let's hope the codec supports it. */
2263 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2264 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2265 ac97->flags |= AC97_DOUBLE_RATE;
2266 /* restore to slots 10/11 to avoid the confliction with surrounds */
2267 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2268 }
2269 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2270 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2271 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2272 } else {
2273 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2274 if (ac97->flags & AC97_DOUBLE_RATE)
2275 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2276 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2277 }
2278 if (ac97->ext_id & AC97_EI_SPDIF) {
2279 /* codec specific code (patch) should override these values */
2280 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2281 }
2282 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2283 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2284 } else {
2285 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2286 }
2287 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2288 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2289 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2290 }
2291 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2292 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2293 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2294 }
2295 /* additional initializations */
2296 if (bus->ops->init)
2297 bus->ops->init(ac97);
2298 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2299 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2300 if (! ac97->build_ops)
2301 ac97->build_ops = &null_build_ops;
2302
2303 if (ac97_is_audio(ac97)) {
2304 char comp[16];
2305 if (card->mixername[0] == '\0') {
2306 strcpy(card->mixername, name);
2307 } else {
2308 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2309 strcat(card->mixername, ",");
2310 strcat(card->mixername, name);
2311 }
2312 }
2313 sprintf(comp, "AC97a:%08x", ac97->id);
2314 err = snd_component_add(card, comp);
2315 if (err < 0) {
2316 snd_ac97_free(ac97);
2317 return err;
2318 }
2319 if (snd_ac97_mixer_build(ac97) < 0) {
2320 snd_ac97_free(ac97);
2321 return -ENOMEM;
2322 }
2323 }
2324 if (ac97_is_modem(ac97)) {
2325 char comp[16];
2326 if (card->mixername[0] == '\0') {
2327 strcpy(card->mixername, name);
2328 } else {
2329 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2330 strcat(card->mixername, ",");
2331 strcat(card->mixername, name);
2332 }
2333 }
2334 sprintf(comp, "AC97m:%08x", ac97->id);
2335 err = snd_component_add(card, comp);
2336 if (err < 0) {
2337 snd_ac97_free(ac97);
2338 return err;
2339 }
2340 if (snd_ac97_modem_build(card, ac97) < 0) {
2341 snd_ac97_free(ac97);
2342 return -ENOMEM;
2343 }
2344 }
2345 if (ac97_is_audio(ac97))
2346 update_power_regs(ac97);
2347 snd_ac97_proc_init(ac97);
2348 err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops);
2349 if (err < 0) {
2350 snd_ac97_free(ac97);
2351 return err;
2352 }
2353 *rac97 = ac97;
2354 return 0;
2355 }
2356
2357 EXPORT_SYMBOL(snd_ac97_mixer);
2358
2359 /*
2360 * Power down the chip.
2361 *
2362 * MASTER and HEADPHONE registers are muted but the register cache values
2363 * are not changed, so that the values can be restored in snd_ac97_resume().
2364 */
2365 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2366 {
2367 unsigned short power;
2368
2369 if (ac97_is_audio(ac97)) {
2370 /* some codecs have stereo mute bits */
2371 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2372 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2373 }
2374
2375 /* surround, CLFE, mic powerdown */
2376 power = ac97->regs[AC97_EXTENDED_STATUS];
2377 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2378 power |= AC97_EA_PRJ;
2379 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2380 power |= AC97_EA_PRI | AC97_EA_PRK;
2381 power |= AC97_EA_PRL;
2382 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2383
2384 /* powerdown external amplifier */
2385 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2386 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2387 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2388 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2389 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2390 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
2391 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2392 udelay(100);
2393 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */
2394 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2395 if (ac97_is_power_save_mode(ac97)) {
2396 power |= AC97_PD_PR3; /* Analog Mixer powerdown */
2397 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2398 udelay(100);
2399 /* AC-link powerdown, internal Clk disable */
2400 /* FIXME: this may cause click noises on some boards */
2401 power |= AC97_PD_PR4 | AC97_PD_PR5;
2402 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2403 }
2404 }
2405
2406
2407 struct ac97_power_reg {
2408 unsigned short reg;
2409 unsigned short power_reg;
2410 unsigned short mask;
2411 };
2412
2413 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2414
2415 static const struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2416 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2417 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2418 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2419 AC97_EA_PRI | AC97_EA_PRK},
2420 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2421 AC97_EA_PRJ},
2422 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2423 AC97_EA_PRL},
2424 };
2425
2426 #ifdef CONFIG_SND_AC97_POWER_SAVE
2427 /**
2428 * snd_ac97_update_power - update the powerdown register
2429 * @ac97: the codec instance
2430 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2431 * @powerup: non-zero when power up the part
2432 *
2433 * Update the AC97 powerdown register bits of the given part.
2434 *
2435 * Return: Zero.
2436 */
2437 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2438 {
2439 int i;
2440
2441 if (! ac97)
2442 return 0;
2443
2444 if (reg) {
2445 /* SPDIF requires DAC power, too */
2446 if (reg == AC97_SPDIF)
2447 reg = AC97_PCM_FRONT_DAC_RATE;
2448 for (i = 0; i < PWIDX_SIZE; i++) {
2449 if (power_regs[i].reg == reg) {
2450 if (powerup)
2451 ac97->power_up |= (1 << i);
2452 else
2453 ac97->power_up &= ~(1 << i);
2454 break;
2455 }
2456 }
2457 }
2458
2459 if (ac97_is_power_save_mode(ac97) && !powerup)
2460 /* adjust power-down bits after two seconds delay
2461 * (for avoiding loud click noises for many (OSS) apps
2462 * that open/close frequently)
2463 */
2464 schedule_delayed_work(&ac97->power_work,
2465 msecs_to_jiffies(power_save * 1000));
2466 else {
2467 cancel_delayed_work(&ac97->power_work);
2468 update_power_regs(ac97);
2469 }
2470
2471 return 0;
2472 }
2473
2474 EXPORT_SYMBOL(snd_ac97_update_power);
2475 #endif /* CONFIG_SND_AC97_POWER_SAVE */
2476
2477 static void update_power_regs(struct snd_ac97 *ac97)
2478 {
2479 unsigned int power_up, bits;
2480 int i;
2481
2482 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2483 power_up |= (1 << PWIDX_MIC);
2484 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2485 power_up |= (1 << PWIDX_SURR);
2486 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2487 power_up |= (1 << PWIDX_CLFE);
2488 #ifdef CONFIG_SND_AC97_POWER_SAVE
2489 if (ac97_is_power_save_mode(ac97))
2490 power_up = ac97->power_up;
2491 #endif
2492 if (power_up) {
2493 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2494 /* needs power-up analog mix and vref */
2495 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2496 AC97_PD_PR3, 0);
2497 msleep(1);
2498 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2499 AC97_PD_PR2, 0);
2500 }
2501 }
2502 for (i = 0; i < PWIDX_SIZE; i++) {
2503 if (power_up & (1 << i))
2504 bits = 0;
2505 else
2506 bits = power_regs[i].mask;
2507 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2508 power_regs[i].mask, bits);
2509 }
2510 if (! power_up) {
2511 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2512 /* power down analog mix and vref */
2513 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2514 AC97_PD_PR2, AC97_PD_PR2);
2515 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2516 AC97_PD_PR3, AC97_PD_PR3);
2517 }
2518 }
2519 }
2520
2521
2522 #ifdef CONFIG_PM
2523 /**
2524 * snd_ac97_suspend - General suspend function for AC97 codec
2525 * @ac97: the ac97 instance
2526 *
2527 * Suspends the codec, power down the chip.
2528 */
2529 void snd_ac97_suspend(struct snd_ac97 *ac97)
2530 {
2531 if (! ac97)
2532 return;
2533 if (ac97->build_ops->suspend)
2534 ac97->build_ops->suspend(ac97);
2535 #ifdef CONFIG_SND_AC97_POWER_SAVE
2536 cancel_delayed_work_sync(&ac97->power_work);
2537 #endif
2538 snd_ac97_powerdown(ac97);
2539 }
2540
2541 EXPORT_SYMBOL(snd_ac97_suspend);
2542
2543 /*
2544 * restore ac97 status
2545 */
2546 static void snd_ac97_restore_status(struct snd_ac97 *ac97)
2547 {
2548 int i;
2549
2550 for (i = 2; i < 0x7c ; i += 2) {
2551 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2552 continue;
2553 /* restore only accessible registers
2554 * some chip (e.g. nm256) may hang up when unsupported registers
2555 * are accessed..!
2556 */
2557 if (test_bit(i, ac97->reg_accessed)) {
2558 snd_ac97_write(ac97, i, ac97->regs[i]);
2559 snd_ac97_read(ac97, i);
2560 }
2561 }
2562 }
2563
2564 /*
2565 * restore IEC958 status
2566 */
2567 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2568 {
2569 if (ac97->ext_id & AC97_EI_SPDIF) {
2570 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2571 /* reset spdif status */
2572 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2573 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2574 if (ac97->flags & AC97_CS_SPDIF)
2575 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2576 else
2577 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2578 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2579 }
2580 }
2581 }
2582
2583 /**
2584 * snd_ac97_resume - General resume function for AC97 codec
2585 * @ac97: the ac97 instance
2586 *
2587 * Do the standard resume procedure, power up and restoring the
2588 * old register values.
2589 */
2590 void snd_ac97_resume(struct snd_ac97 *ac97)
2591 {
2592 unsigned long end_time;
2593
2594 if (! ac97)
2595 return;
2596
2597 if (ac97->bus->ops->reset) {
2598 ac97->bus->ops->reset(ac97);
2599 goto __reset_ready;
2600 }
2601
2602 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2603 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2604 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2605 snd_ac97_write(ac97, AC97_RESET, 0);
2606 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2607 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2608 udelay(100);
2609 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2610 }
2611 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2612
2613 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2614 if (ac97_is_audio(ac97)) {
2615 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2616 end_time = jiffies + msecs_to_jiffies(100);
2617 do {
2618 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2619 break;
2620 schedule_timeout_uninterruptible(1);
2621 } while (time_after_eq(end_time, jiffies));
2622 /* FIXME: extra delay */
2623 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO);
2624 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO)
2625 msleep(250);
2626 } else {
2627 end_time = jiffies + msecs_to_jiffies(100);
2628 do {
2629 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2630 if (val != 0xffff && (val & 1) != 0)
2631 break;
2632 schedule_timeout_uninterruptible(1);
2633 } while (time_after_eq(end_time, jiffies));
2634 }
2635 __reset_ready:
2636
2637 if (ac97->bus->ops->init)
2638 ac97->bus->ops->init(ac97);
2639
2640 if (ac97->build_ops->resume)
2641 ac97->build_ops->resume(ac97);
2642 else {
2643 snd_ac97_restore_status(ac97);
2644 snd_ac97_restore_iec958(ac97);
2645 }
2646 }
2647
2648 EXPORT_SYMBOL(snd_ac97_resume);
2649 #endif
2650
2651
2652 /*
2653 * Hardware tuning
2654 */
2655 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2656 {
2657 const size_t msize = SNDRV_CTL_ELEM_ID_NAME_MAXLEN;
2658
2659 if (suffix) {
2660 if (snprintf(dst, msize, "%s %s", src, suffix) >= msize)
2661 pr_warn("ALSA: AC97 control name '%s %s' truncated to '%s'\n",
2662 src, suffix, dst);
2663 } else {
2664 if (strscpy(dst, src, msize) < 0)
2665 pr_warn("ALSA: AC97 control name '%s' truncated to '%s'\n",
2666 src, dst);
2667 }
2668 }
2669
2670 /* remove the control with the given name and optional suffix */
2671 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
2672 const char *suffix)
2673 {
2674 struct snd_ctl_elem_id id;
2675 memset(&id, 0, sizeof(id));
2676 set_ctl_name(id.name, name, suffix);
2677 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2678 return snd_ctl_remove_id(ac97->bus->card, &id);
2679 }
2680
2681 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2682 {
2683 struct snd_ctl_elem_id sid;
2684 memset(&sid, 0, sizeof(sid));
2685 set_ctl_name(sid.name, name, suffix);
2686 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2687 return snd_ctl_find_id(ac97->bus->card, &sid);
2688 }
2689
2690 /* rename the control with the given name and optional suffix */
2691 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
2692 const char *dst, const char *suffix)
2693 {
2694 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2695 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
2696
2697 if (kctl) {
2698 set_ctl_name(name, dst, suffix);
2699 snd_ctl_rename(ac97->bus->card, kctl, name);
2700 return 0;
2701 }
2702 return -ENOENT;
2703 }
2704
2705 /* rename both Volume and Switch controls - don't check the return value */
2706 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
2707 const char *dst)
2708 {
2709 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2710 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2711 }
2712
2713 /* swap controls */
2714 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
2715 const char *s2, const char *suffix)
2716 {
2717 struct snd_kcontrol *kctl1, *kctl2;
2718 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
2719
2720 kctl1 = ctl_find(ac97, s1, suffix);
2721 kctl2 = ctl_find(ac97, s2, suffix);
2722 if (kctl1 && kctl2) {
2723 set_ctl_name(name, s2, suffix);
2724 snd_ctl_rename(ac97->bus->card, kctl1, name);
2725
2726 set_ctl_name(name, s1, suffix);
2727 snd_ctl_rename(ac97->bus->card, kctl2, name);
2728
2729 return 0;
2730 }
2731 return -ENOENT;
2732 }
2733
2734 #if 1
2735 /* bind hp and master controls instead of using only hp control */
2736 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2737 {
2738 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2739 if (err > 0) {
2740 unsigned long priv_saved = kcontrol->private_value;
2741 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2742 snd_ac97_put_volsw(kcontrol, ucontrol);
2743 kcontrol->private_value = priv_saved;
2744 }
2745 return err;
2746 }
2747
2748 /* ac97 tune: bind Master and Headphone controls */
2749 static int tune_hp_only(struct snd_ac97 *ac97)
2750 {
2751 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2752 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2753 if (! msw || ! mvol)
2754 return -ENOENT;
2755 msw->put = bind_hp_volsw_put;
2756 mvol->put = bind_hp_volsw_put;
2757 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2758 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2759 return 0;
2760 }
2761
2762 #else
2763 /* ac97 tune: use Headphone control as master */
2764 static int tune_hp_only(struct snd_ac97 *ac97)
2765 {
2766 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2767 return -ENOENT;
2768 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2769 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2770 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2771 return 0;
2772 }
2773 #endif
2774
2775 /* ac97 tune: swap Headphone and Master controls */
2776 static int tune_swap_hp(struct snd_ac97 *ac97)
2777 {
2778 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2779 return -ENOENT;
2780 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2781 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2782 return 0;
2783 }
2784
2785 /* ac97 tune: swap Surround and Master controls */
2786 static int tune_swap_surround(struct snd_ac97 *ac97)
2787 {
2788 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2789 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2790 return -ENOENT;
2791 return 0;
2792 }
2793
2794 /* ac97 tune: set up mic sharing for AD codecs */
2795 static int tune_ad_sharing(struct snd_ac97 *ac97)
2796 {
2797 unsigned short scfg;
2798 if ((ac97->id & 0xffffff00) != 0x41445300) {
2799 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n");
2800 return -EINVAL;
2801 }
2802 /* Turn on OMS bit to route microphone to back panel */
2803 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2804 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2805 return 0;
2806 }
2807
2808 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2809 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2810
2811 /* ac97 tune: set up ALC jack-select */
2812 static int tune_alc_jack(struct snd_ac97 *ac97)
2813 {
2814 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2815 ac97_err(ac97,
2816 "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2817 return -EINVAL;
2818 }
2819 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2820 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2821 if (ac97->id == AC97_ID_ALC658D)
2822 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2823 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2824 }
2825
2826 /* ac97 tune: inversed EAPD bit */
2827 static int tune_inv_eapd(struct snd_ac97 *ac97)
2828 {
2829 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2830 if (! kctl)
2831 return -ENOENT;
2832 set_inv_eapd(ac97, kctl);
2833 return 0;
2834 }
2835
2836 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2837 {
2838 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2839 if (err > 0) {
2840 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2841 int shift = (kcontrol->private_value >> 8) & 0x0f;
2842 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2843 unsigned short mask;
2844 if (shift != rshift)
2845 mask = AC97_MUTE_MASK_STEREO;
2846 else
2847 mask = AC97_MUTE_MASK_MONO;
2848 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2849 (ac97->regs[AC97_MASTER] & mask) == mask ?
2850 AC97_PD_EAPD : 0);
2851 }
2852 return err;
2853 }
2854
2855 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2856 static int tune_mute_led(struct snd_ac97 *ac97)
2857 {
2858 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2859 if (! msw)
2860 return -ENOENT;
2861 msw->put = master_mute_sw_put;
2862 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2863 snd_ac97_update_bits(
2864 ac97, AC97_POWERDOWN,
2865 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2866 );
2867 ac97->scaps |= AC97_SCAP_EAPD_LED;
2868 return 0;
2869 }
2870
2871 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2872 struct snd_ctl_elem_value *ucontrol)
2873 {
2874 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2875 if (err > 0) {
2876 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2877 int shift = (kcontrol->private_value >> 8) & 0x0f;
2878 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2879 unsigned short mask;
2880 if (shift != rshift)
2881 mask = AC97_MUTE_MASK_STEREO;
2882 else
2883 mask = AC97_MUTE_MASK_MONO;
2884 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2885 (ac97->regs[AC97_MASTER] & mask) == mask ?
2886 AC97_PD_EAPD : 0);
2887 }
2888 return err;
2889 }
2890
2891 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2892 {
2893 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2894 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2895 if (! msw || ! mvol)
2896 return -ENOENT;
2897 msw->put = hp_master_mute_sw_put;
2898 mvol->put = bind_hp_volsw_put;
2899 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2900 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2901 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2902 snd_ac97_update_bits(
2903 ac97, AC97_POWERDOWN,
2904 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2905 );
2906 return 0;
2907 }
2908
2909 struct quirk_table {
2910 const char *name;
2911 int (*func)(struct snd_ac97 *);
2912 };
2913
2914 static const struct quirk_table applicable_quirks[] = {
2915 { "none", NULL },
2916 { "hp_only", tune_hp_only },
2917 { "swap_hp", tune_swap_hp },
2918 { "swap_surround", tune_swap_surround },
2919 { "ad_sharing", tune_ad_sharing },
2920 { "alc_jack", tune_alc_jack },
2921 { "inv_eapd", tune_inv_eapd },
2922 { "mute_led", tune_mute_led },
2923 { "hp_mute_led", tune_hp_mute_led },
2924 };
2925
2926 /* apply the quirk with the given type */
2927 static int apply_quirk(struct snd_ac97 *ac97, int type)
2928 {
2929 if (type <= 0)
2930 return 0;
2931 else if (type >= ARRAY_SIZE(applicable_quirks))
2932 return -EINVAL;
2933 if (applicable_quirks[type].func)
2934 return applicable_quirks[type].func(ac97);
2935 return 0;
2936 }
2937
2938 /* apply the quirk with the given name */
2939 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2940 {
2941 int i;
2942 const struct quirk_table *q;
2943
2944 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2945 q = &applicable_quirks[i];
2946 if (q->name && ! strcmp(typestr, q->name))
2947 return apply_quirk(ac97, i);
2948 }
2949 /* for compatibility, accept the numbers, too */
2950 if (*typestr >= '' && *typestr <= '9')
2951 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2952 return -EINVAL;
2953 }
2954
2955 /**
2956 * snd_ac97_tune_hardware - tune up the hardware
2957 * @ac97: the ac97 instance
2958 * @quirk: quirk list
2959 * @override: explicit quirk value (overrides the list if non-NULL)
2960 *
2961 * Do some workaround for each pci device, such as renaming of the
2962 * headphone (true line-out) control as "Master".
2963 * The quirk-list must be terminated with a zero-filled entry.
2964 *
2965 * Return: Zero if successful, or a negative error code on failure.
2966 */
2967
2968 int snd_ac97_tune_hardware(struct snd_ac97 *ac97,
2969 const struct ac97_quirk *quirk, const char *override)
2970 {
2971 int result;
2972
2973 /* quirk overriden? */
2974 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2975 result = apply_quirk_str(ac97, override);
2976 if (result < 0)
2977 ac97_err(ac97, "applying quirk type %s failed (%d)\n",
2978 override, result);
2979 return result;
2980 }
2981
2982 if (! quirk)
2983 return -EINVAL;
2984
2985 for (; quirk->subvendor; quirk++) {
2986 if (quirk->subvendor != ac97->subsystem_vendor)
2987 continue;
2988 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2989 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2990 if (quirk->codec_id && quirk->codec_id != ac97->id)
2991 continue;
2992 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n",
2993 quirk->name, ac97->subsystem_vendor,
2994 ac97->subsystem_device);
2995 result = apply_quirk(ac97, quirk->type);
2996 if (result < 0)
2997 ac97_err(ac97,
2998 "applying quirk type %d for %s failed (%d)\n",
2999 quirk->type, quirk->name, result);
3000 return result;
3001 }
3002 }
3003 return 0;
3004 }
3005
3006 EXPORT_SYMBOL(snd_ac97_tune_hardware);
3007
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