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tuntap: switch to use rtnl_dereference()
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / sound / pci / ac97 / ac97_codec.c
blob8b0f996883034c4b99b4823ea7a6f01b6d064587
1 /*
2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
3 * Universal interface for Audio Codec '97
4 *
5 * For more details look to AC '97 component specification revision 2.2
6 * by Intel Corporation (http://developer.intel.com).
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25 #include <linux/delay.h>
26 #include <linux/init.h>
27 #include <linux/slab.h>
28 #include <linux/pci.h>
29 #include <linux/module.h>
30 #include <linux/mutex.h>
31 #include <sound/core.h>
32 #include <sound/pcm.h>
33 #include <sound/tlv.h>
34 #include <sound/ac97_codec.h>
35 #include <sound/asoundef.h>
36 #include <sound/initval.h>
37 #include "ac97_id.h"
38
39 #include "ac97_patch.c"
40
41 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
42 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
43 MODULE_LICENSE("GPL");
44
45 static bool enable_loopback;
46
47 module_param(enable_loopback, bool, 0444);
48 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
49
50 #ifdef CONFIG_SND_AC97_POWER_SAVE
51 static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT;
52 module_param(power_save, int, 0644);
53 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
54 "(in second, 0 = disable).");
55 #endif
56 /*
57
58 */
59
60 struct ac97_codec_id {
61 unsigned int id;
62 unsigned int mask;
63 const char *name;
64 int (*patch)(struct snd_ac97 *ac97);
65 int (*mpatch)(struct snd_ac97 *ac97);
66 unsigned int flags;
67 };
68
69 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
70 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
71 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
72 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
73 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
74 /*
75 * This is an _inofficial_ Aztech Labs entry
76 * (value might differ from unknown official Aztech ID),
77 * currently used by the AC97 emulation of the almost-AC97 PCI168 card.
78 */
79 { 0x415a5400, 0xffffff00, "Aztech Labs (emulated)", NULL, NULL },
80 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
81 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
82 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
83 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
84 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
85 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
86 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
87 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
88 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
89 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
90 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
91 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
92 { 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL },
93 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
94 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
95 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
96 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
97 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
98 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
99 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
100 { 0, 0, NULL, NULL, NULL }
101 };
102
103 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
104 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
105 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
106 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
107 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
108 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
109 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
110 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
111 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
112 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
113 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
114 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
115 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
116 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL },
117 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
118 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
119 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
120 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
121 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
122 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
123 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
124 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
125 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
126 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
127 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
128 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
129 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
130 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
131 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
132 { 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL },
133 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
134 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
135 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
136 { 0x415a5401, 0xffffffff, "AZF3328", patch_aztech_azf3328, NULL },
137 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
138 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
139 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
140 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL },
141 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL },
142 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL },
143 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
144 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
145 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
146 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
147 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
148 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
149 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
150 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
151 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
152 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
153 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
154 { 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL },
155 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL },
156 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
157 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
158 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
159 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
160 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
161 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
162 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
163 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
164 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
165 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
166 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
167 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
168 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
169 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
170 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
171 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
172 { 0x53544d02, 0xffffffff, "ST7597", NULL, NULL },
173 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
174 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL },
175 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
176 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
177 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
178 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
179 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
180 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
181 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL },
182 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
183 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL },
184 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
185 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
186 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
187 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
188 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL},
189 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
190 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL },
191 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
192 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
193 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
194 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
195 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
196 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
197 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
198 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
199 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
200 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
201 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
202 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
203 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
204 { 0, 0, NULL, NULL, NULL }
205 };
206
207
208 static void update_power_regs(struct snd_ac97 *ac97);
209 #ifdef CONFIG_SND_AC97_POWER_SAVE
210 #define ac97_is_power_save_mode(ac97) \
211 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
212 #else
213 #define ac97_is_power_save_mode(ac97) 0
214 #endif
215
216
217 /*
218 * I/O routines
219 */
220
221 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
222 {
223 /* filter some registers for buggy codecs */
224 switch (ac97->id) {
225 case AC97_ID_ST_AC97_ID4:
226 if (reg == 0x08)
227 return 0;
228 /* fall through */
229 case AC97_ID_ST7597:
230 if (reg == 0x22 || reg == 0x7a)
231 return 1;
232 /* fall through */
233 case AC97_ID_AK4540:
234 case AC97_ID_AK4542:
235 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
236 return 1;
237 return 0;
238 case AC97_ID_AD1819: /* AD1819 */
239 case AC97_ID_AD1881: /* AD1881 */
240 case AC97_ID_AD1881A: /* AD1881A */
241 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
242 return 0;
243 return 1;
244 case AC97_ID_AD1885: /* AD1885 */
245 case AC97_ID_AD1886: /* AD1886 */
246 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
247 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
248 if (reg == 0x5a)
249 return 1;
250 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
251 return 0;
252 return 1;
253 case AC97_ID_STAC9700:
254 case AC97_ID_STAC9704:
255 case AC97_ID_STAC9705:
256 case AC97_ID_STAC9708:
257 case AC97_ID_STAC9721:
258 case AC97_ID_STAC9744:
259 case AC97_ID_STAC9756:
260 if (reg <= 0x3a || reg >= 0x5a)
261 return 1;
262 return 0;
263 }
264 return 1;
265 }
266
267 /**
268 * snd_ac97_write - write a value on the given register
269 * @ac97: the ac97 instance
270 * @reg: the register to change
271 * @value: the value to set
272 *
273 * Writes a value on the given register. This will invoke the write
274 * callback directly after the register check.
275 * This function doesn't change the register cache unlike
276 * #snd_ca97_write_cache(), so use this only when you don't want to
277 * reflect the change to the suspend/resume state.
278 */
279 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
280 {
281 if (!snd_ac97_valid_reg(ac97, reg))
282 return;
283 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
284 /* Fix H/W bug of ALC100/100P */
285 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
286 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
287 }
288 ac97->bus->ops->write(ac97, reg, value);
289 }
290
291 EXPORT_SYMBOL(snd_ac97_write);
292
293 /**
294 * snd_ac97_read - read a value from the given register
295 *
296 * @ac97: the ac97 instance
297 * @reg: the register to read
298 *
299 * Reads a value from the given register. This will invoke the read
300 * callback directly after the register check.
301 *
302 * Returns the read value.
303 */
304 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
305 {
306 if (!snd_ac97_valid_reg(ac97, reg))
307 return 0;
308 return ac97->bus->ops->read(ac97, reg);
309 }
310
311 /* read a register - return the cached value if already read */
312 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
313 {
314 if (! test_bit(reg, ac97->reg_accessed)) {
315 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
316 // set_bit(reg, ac97->reg_accessed);
317 }
318 return ac97->regs[reg];
319 }
320
321 EXPORT_SYMBOL(snd_ac97_read);
322
323 /**
324 * snd_ac97_write_cache - write a value on the given register and update the cache
325 * @ac97: the ac97 instance
326 * @reg: the register to change
327 * @value: the value to set
328 *
329 * Writes a value on the given register and updates the register
330 * cache. The cached values are used for the cached-read and the
331 * suspend/resume.
332 */
333 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
334 {
335 if (!snd_ac97_valid_reg(ac97, reg))
336 return;
337 mutex_lock(&ac97->reg_mutex);
338 ac97->regs[reg] = value;
339 ac97->bus->ops->write(ac97, reg, value);
340 set_bit(reg, ac97->reg_accessed);
341 mutex_unlock(&ac97->reg_mutex);
342 }
343
344 EXPORT_SYMBOL(snd_ac97_write_cache);
345
346 /**
347 * snd_ac97_update - update the value on the given register
348 * @ac97: the ac97 instance
349 * @reg: the register to change
350 * @value: the value to set
351 *
352 * Compares the value with the register cache and updates the value
353 * only when the value is changed.
354 *
355 * Returns 1 if the value is changed, 0 if no change, or a negative
356 * code on failure.
357 */
358 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
359 {
360 int change;
361
362 if (!snd_ac97_valid_reg(ac97, reg))
363 return -EINVAL;
364 mutex_lock(&ac97->reg_mutex);
365 change = ac97->regs[reg] != value;
366 if (change) {
367 ac97->regs[reg] = value;
368 ac97->bus->ops->write(ac97, reg, value);
369 }
370 set_bit(reg, ac97->reg_accessed);
371 mutex_unlock(&ac97->reg_mutex);
372 return change;
373 }
374
375 EXPORT_SYMBOL(snd_ac97_update);
376
377 /**
378 * snd_ac97_update_bits - update the bits on the given register
379 * @ac97: the ac97 instance
380 * @reg: the register to change
381 * @mask: the bit-mask to change
382 * @value: the value to set
383 *
384 * Updates the masked-bits on the given register only when the value
385 * is changed.
386 *
387 * Returns 1 if the bits are changed, 0 if no change, or a negative
388 * code on failure.
389 */
390 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
391 {
392 int change;
393
394 if (!snd_ac97_valid_reg(ac97, reg))
395 return -EINVAL;
396 mutex_lock(&ac97->reg_mutex);
397 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
398 mutex_unlock(&ac97->reg_mutex);
399 return change;
400 }
401
402 EXPORT_SYMBOL(snd_ac97_update_bits);
403
404 /* no lock version - see snd_ac97_update_bits() */
405 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
406 unsigned short mask, unsigned short value)
407 {
408 int change;
409 unsigned short old, new;
410
411 old = snd_ac97_read_cache(ac97, reg);
412 new = (old & ~mask) | (value & mask);
413 change = old != new;
414 if (change) {
415 ac97->regs[reg] = new;
416 ac97->bus->ops->write(ac97, reg, new);
417 }
418 set_bit(reg, ac97->reg_accessed);
419 return change;
420 }
421
422 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
423 {
424 int change;
425 unsigned short old, new, cfg;
426
427 mutex_lock(&ac97->page_mutex);
428 old = ac97->spec.ad18xx.pcmreg[codec];
429 new = (old & ~mask) | (value & mask);
430 change = old != new;
431 if (change) {
432 mutex_lock(&ac97->reg_mutex);
433 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
434 ac97->spec.ad18xx.pcmreg[codec] = new;
435 /* select single codec */
436 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
437 (cfg & ~0x7000) |
438 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
439 /* update PCM bits */
440 ac97->bus->ops->write(ac97, AC97_PCM, new);
441 /* select all codecs */
442 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
443 cfg | 0x7000);
444 mutex_unlock(&ac97->reg_mutex);
445 }
446 mutex_unlock(&ac97->page_mutex);
447 return change;
448 }
449
450 /*
451 * Controls
452 */
453
454 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
455 struct snd_ctl_elem_info *uinfo)
456 {
457 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
458
459 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
460 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
461 uinfo->value.enumerated.items = e->mask;
462
463 if (uinfo->value.enumerated.item > e->mask - 1)
464 uinfo->value.enumerated.item = e->mask - 1;
465 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
466 return 0;
467 }
468
469 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
470 struct snd_ctl_elem_value *ucontrol)
471 {
472 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
473 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
474 unsigned short val, bitmask;
475
476 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
477 ;
478 val = snd_ac97_read_cache(ac97, e->reg);
479 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
480 if (e->shift_l != e->shift_r)
481 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
482
483 return 0;
484 }
485
486 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
487 struct snd_ctl_elem_value *ucontrol)
488 {
489 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
490 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
491 unsigned short val;
492 unsigned short mask, bitmask;
493
494 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
495 ;
496 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
497 return -EINVAL;
498 val = ucontrol->value.enumerated.item[0] << e->shift_l;
499 mask = (bitmask - 1) << e->shift_l;
500 if (e->shift_l != e->shift_r) {
501 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
502 return -EINVAL;
503 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
504 mask |= (bitmask - 1) << e->shift_r;
505 }
506 return snd_ac97_update_bits(ac97, e->reg, mask, val);
507 }
508
509 /* save/restore ac97 v2.3 paging */
510 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
511 {
512 int page_save = -1;
513 if ((kcontrol->private_value & (1<<25)) &&
514 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
515 (reg >= 0x60 && reg < 0x70)) {
516 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
517 mutex_lock(&ac97->page_mutex); /* lock paging */
518 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
519 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
520 }
521 return page_save;
522 }
523
524 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
525 {
526 if (page_save >= 0) {
527 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
528 mutex_unlock(&ac97->page_mutex); /* unlock paging */
529 }
530 }
531
532 /* volume and switch controls */
533 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
534 struct snd_ctl_elem_info *uinfo)
535 {
536 int mask = (kcontrol->private_value >> 16) & 0xff;
537 int shift = (kcontrol->private_value >> 8) & 0x0f;
538 int rshift = (kcontrol->private_value >> 12) & 0x0f;
539
540 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
541 uinfo->count = shift == rshift ? 1 : 2;
542 uinfo->value.integer.min = 0;
543 uinfo->value.integer.max = mask;
544 return 0;
545 }
546
547 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
548 struct snd_ctl_elem_value *ucontrol)
549 {
550 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
551 int reg = kcontrol->private_value & 0xff;
552 int shift = (kcontrol->private_value >> 8) & 0x0f;
553 int rshift = (kcontrol->private_value >> 12) & 0x0f;
554 int mask = (kcontrol->private_value >> 16) & 0xff;
555 int invert = (kcontrol->private_value >> 24) & 0x01;
556 int page_save;
557
558 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
559 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
560 if (shift != rshift)
561 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
562 if (invert) {
563 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
564 if (shift != rshift)
565 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
566 }
567 snd_ac97_page_restore(ac97, page_save);
568 return 0;
569 }
570
571 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
572 struct snd_ctl_elem_value *ucontrol)
573 {
574 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
575 int reg = kcontrol->private_value & 0xff;
576 int shift = (kcontrol->private_value >> 8) & 0x0f;
577 int rshift = (kcontrol->private_value >> 12) & 0x0f;
578 int mask = (kcontrol->private_value >> 16) & 0xff;
579 int invert = (kcontrol->private_value >> 24) & 0x01;
580 int err, page_save;
581 unsigned short val, val2, val_mask;
582
583 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
584 val = (ucontrol->value.integer.value[0] & mask);
585 if (invert)
586 val = mask - val;
587 val_mask = mask << shift;
588 val = val << shift;
589 if (shift != rshift) {
590 val2 = (ucontrol->value.integer.value[1] & mask);
591 if (invert)
592 val2 = mask - val2;
593 val_mask |= mask << rshift;
594 val |= val2 << rshift;
595 }
596 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
597 snd_ac97_page_restore(ac97, page_save);
598 #ifdef CONFIG_SND_AC97_POWER_SAVE
599 /* check analog mixer power-down */
600 if ((val_mask & AC97_PD_EAPD) &&
601 (kcontrol->private_value & (1<<30))) {
602 if (val & AC97_PD_EAPD)
603 ac97->power_up &= ~(1 << (reg>>1));
604 else
605 ac97->power_up |= 1 << (reg>>1);
606 update_power_regs(ac97);
607 }
608 #endif
609 return err;
610 }
611
612 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
613 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
614 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
615 };
616
617 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
618 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
619 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
620 };
621
622 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
623 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
624 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1)
625 };
626
627 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
628 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
629
630
631 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
632 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
633 static const char* std_mix[] = {"Mix", "Mic"};
634 static const char* std_mic[] = {"Mic1", "Mic2"};
635
636 static const struct ac97_enum std_enum[] = {
637 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
638 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
639 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
640 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
641 };
642
643 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
644 AC97_ENUM("Capture Source", std_enum[0]);
645
646 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
647 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
648
649 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
650 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
651 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
652 };
653
654 enum {
655 AC97_GENERAL_PCM_OUT = 0,
656 AC97_GENERAL_STEREO_ENHANCEMENT,
657 AC97_GENERAL_3D,
658 AC97_GENERAL_LOUDNESS,
659 AC97_GENERAL_MONO,
660 AC97_GENERAL_MIC,
661 AC97_GENERAL_LOOPBACK
662 };
663
664 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
665 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
666 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
667 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
668 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
669 AC97_ENUM("Mono Output Select", std_enum[2]),
670 AC97_ENUM("Mic Select", std_enum[3]),
671 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
672 };
673
674 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
675 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
676 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
677 };
678
679 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
680 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
681 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
682 };
683
684 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
685 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
686 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
687 };
688
689 static const struct snd_kcontrol_new snd_ac97_control_eapd =
690 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
691
692 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
693 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
694 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
695 };
696
697 /* change the existing EAPD control as inverted */
698 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
699 {
700 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
701 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
702 ac97->scaps |= AC97_SCAP_INV_EAPD;
703 }
704
705 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
706 {
707 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
708 uinfo->count = 1;
709 return 0;
710 }
711
712 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
713 {
714 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
715 IEC958_AES0_NONAUDIO |
716 IEC958_AES0_CON_EMPHASIS_5015 |
717 IEC958_AES0_CON_NOT_COPYRIGHT;
718 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
719 IEC958_AES1_CON_ORIGINAL;
720 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
721 return 0;
722 }
723
724 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
725 {
726 /* FIXME: AC'97 spec doesn't say which bits are used for what */
727 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
728 IEC958_AES0_NONAUDIO |
729 IEC958_AES0_PRO_FS |
730 IEC958_AES0_PRO_EMPHASIS_5015;
731 return 0;
732 }
733
734 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
735 {
736 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
737
738 mutex_lock(&ac97->reg_mutex);
739 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
740 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
741 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
742 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
743 mutex_unlock(&ac97->reg_mutex);
744 return 0;
745 }
746
747 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
748 {
749 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
750 unsigned int new = 0;
751 unsigned short val = 0;
752 int change;
753
754 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
755 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
756 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
757 switch (new & IEC958_AES0_PRO_FS) {
758 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
759 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
760 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
761 default: val |= 1<<12; break;
762 }
763 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
764 val |= 1<<3;
765 } else {
766 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
767 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
768 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
769 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
770 val |= 1<<3;
771 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
772 val |= 1<<2;
773 val |= ((new >> 8) & 0xff) << 4; // category + original
774 switch ((new >> 24) & 0xff) {
775 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
776 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
777 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
778 default: val |= 1<<12; break;
779 }
780 }
781
782 mutex_lock(&ac97->reg_mutex);
783 change = ac97->spdif_status != new;
784 ac97->spdif_status = new;
785
786 if (ac97->flags & AC97_CS_SPDIF) {
787 int x = (val >> 12) & 0x03;
788 switch (x) {
789 case 0: x = 1; break; // 44.1
790 case 2: x = 0; break; // 48.0
791 default: x = 0; break; // illegal.
792 }
793 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
794 } else if (ac97->flags & AC97_CX_SPDIF) {
795 int v;
796 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
797 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
798 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
799 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
800 v);
801 } else if (ac97->id == AC97_ID_YMF743) {
802 change |= snd_ac97_update_bits_nolock(ac97,
803 AC97_YMF7X3_DIT_CTRL,
804 0xff38,
805 ((val << 4) & 0xff00) |
806 ((val << 2) & 0x0038));
807 } else {
808 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
809 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
810
811 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
812 if (extst & AC97_EA_SPDIF) {
813 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
814 }
815 }
816 mutex_unlock(&ac97->reg_mutex);
817
818 return change;
819 }
820
821 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
822 {
823 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
824 int reg = kcontrol->private_value & 0xff;
825 int shift = (kcontrol->private_value >> 8) & 0xff;
826 int mask = (kcontrol->private_value >> 16) & 0xff;
827 // int invert = (kcontrol->private_value >> 24) & 0xff;
828 unsigned short value, old, new;
829 int change;
830
831 value = (ucontrol->value.integer.value[0] & mask);
832
833 mutex_lock(&ac97->reg_mutex);
834 mask <<= shift;
835 value <<= shift;
836 old = snd_ac97_read_cache(ac97, reg);
837 new = (old & ~mask) | value;
838 change = old != new;
839
840 if (change) {
841 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
842 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
843 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
844 if (extst & AC97_EA_SPDIF)
845 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
846 }
847 mutex_unlock(&ac97->reg_mutex);
848 return change;
849 }
850
851 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
852 {
853 .access = SNDRV_CTL_ELEM_ACCESS_READ,
854 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
855 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
856 .info = snd_ac97_spdif_mask_info,
857 .get = snd_ac97_spdif_cmask_get,
858 },
859 {
860 .access = SNDRV_CTL_ELEM_ACCESS_READ,
861 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
862 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
863 .info = snd_ac97_spdif_mask_info,
864 .get = snd_ac97_spdif_pmask_get,
865 },
866 {
867 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
868 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
869 .info = snd_ac97_spdif_mask_info,
870 .get = snd_ac97_spdif_default_get,
871 .put = snd_ac97_spdif_default_put,
872 },
873
874 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
875 {
876 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
877 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
878 .info = snd_ac97_info_volsw,
879 .get = snd_ac97_get_volsw,
880 .put = snd_ac97_put_spsa,
881 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
882 },
883 };
884
885 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
886 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
887 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
888 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
889
890 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
891 {
892 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
893 int mask = (kcontrol->private_value >> 16) & 0x0f;
894 int lshift = (kcontrol->private_value >> 8) & 0x0f;
895 int rshift = (kcontrol->private_value >> 12) & 0x0f;
896
897 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
899 uinfo->count = 2;
900 else
901 uinfo->count = 1;
902 uinfo->value.integer.min = 0;
903 uinfo->value.integer.max = mask;
904 return 0;
905 }
906
907 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
908 {
909 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
910 int codec = kcontrol->private_value & 3;
911 int lshift = (kcontrol->private_value >> 8) & 0x0f;
912 int rshift = (kcontrol->private_value >> 12) & 0x0f;
913 int mask = (kcontrol->private_value >> 16) & 0xff;
914
915 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
916 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
917 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
918 return 0;
919 }
920
921 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
922 {
923 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
924 int codec = kcontrol->private_value & 3;
925 int lshift = (kcontrol->private_value >> 8) & 0x0f;
926 int rshift = (kcontrol->private_value >> 12) & 0x0f;
927 int mask = (kcontrol->private_value >> 16) & 0xff;
928 unsigned short val, valmask;
929
930 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
931 valmask = mask << lshift;
932 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
933 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
934 valmask |= mask << rshift;
935 }
936 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
937 }
938
939 #define AD18XX_PCM_VOLUME(xname, codec) \
940 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
941 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
942 .private_value = codec }
943
944 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
945 {
946 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
947 uinfo->count = 2;
948 uinfo->value.integer.min = 0;
949 uinfo->value.integer.max = 31;
950 return 0;
951 }
952
953 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
954 {
955 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
956 int codec = kcontrol->private_value & 3;
957
958 mutex_lock(&ac97->page_mutex);
959 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
960 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
961 mutex_unlock(&ac97->page_mutex);
962 return 0;
963 }
964
965 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
966 {
967 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
968 int codec = kcontrol->private_value & 3;
969 unsigned short val1, val2;
970
971 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
972 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
973 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
974 }
975
976 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
977 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
978 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
979 };
980
981 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
982 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
983 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
984 };
985
986 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
987 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
988 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
989 };
990
991 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
992 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
993 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
994 };
995
996 /*
997 *
998 */
999
1000 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
1001
1002 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
1003 {
1004 if (bus) {
1005 snd_ac97_bus_proc_done(bus);
1006 kfree(bus->pcms);
1007 if (bus->private_free)
1008 bus->private_free(bus);
1009 kfree(bus);
1010 }
1011 return 0;
1012 }
1013
1014 static int snd_ac97_bus_dev_free(struct snd_device *device)
1015 {
1016 struct snd_ac97_bus *bus = device->device_data;
1017 return snd_ac97_bus_free(bus);
1018 }
1019
1020 static int snd_ac97_free(struct snd_ac97 *ac97)
1021 {
1022 if (ac97) {
1023 #ifdef CONFIG_SND_AC97_POWER_SAVE
1024 cancel_delayed_work_sync(&ac97->power_work);
1025 #endif
1026 snd_ac97_proc_done(ac97);
1027 if (ac97->bus)
1028 ac97->bus->codec[ac97->num] = NULL;
1029 if (ac97->private_free)
1030 ac97->private_free(ac97);
1031 kfree(ac97);
1032 }
1033 return 0;
1034 }
1035
1036 static int snd_ac97_dev_free(struct snd_device *device)
1037 {
1038 struct snd_ac97 *ac97 = device->device_data;
1039 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1040 return snd_ac97_free(ac97);
1041 }
1042
1043 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1044 {
1045 unsigned short val, mask = AC97_MUTE_MASK_MONO;
1046
1047 if (! snd_ac97_valid_reg(ac97, reg))
1048 return 0;
1049
1050 switch (reg) {
1051 case AC97_MASTER_TONE:
1052 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0;
1053 case AC97_HEADPHONE:
1054 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0;
1055 case AC97_REC_GAIN_MIC:
1056 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0;
1057 case AC97_3D_CONTROL:
1058 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) {
1059 val = snd_ac97_read(ac97, reg);
1060 /* if nonzero - fixed and we can't set it */
1061 return val == 0;
1062 }
1063 return 0;
1064 case AC97_CENTER_LFE_MASTER: /* center */
1065 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1066 return 0;
1067 break;
1068 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1069 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1070 return 0;
1071 reg = AC97_CENTER_LFE_MASTER;
1072 mask = 0x0080;
1073 break;
1074 case AC97_SURROUND_MASTER:
1075 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1076 return 0;
1077 break;
1078 }
1079
1080 val = snd_ac97_read(ac97, reg);
1081 if (!(val & mask)) {
1082 /* nothing seems to be here - mute flag is not set */
1083 /* try another test */
1084 snd_ac97_write_cache(ac97, reg, val | mask);
1085 val = snd_ac97_read(ac97, reg);
1086 val = snd_ac97_read(ac97, reg);
1087 if (!(val & mask))
1088 return 0; /* nothing here */
1089 }
1090 return 1; /* success, useable */
1091 }
1092
1093 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1094 {
1095 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1096 unsigned char max[3] = { 63, 31, 15 };
1097 int i;
1098
1099 /* first look up the static resolution table */
1100 if (ac97->res_table) {
1101 const struct snd_ac97_res_table *tbl;
1102 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1103 if (tbl->reg == reg) {
1104 *lo_max = tbl->bits & 0xff;
1105 *hi_max = (tbl->bits >> 8) & 0xff;
1106 return;
1107 }
1108 }
1109 }
1110
1111 *lo_max = *hi_max = 0;
1112 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1113 unsigned short val;
1114 snd_ac97_write(
1115 ac97, reg,
1116 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8)
1117 );
1118 /* Do the read twice due to buffers on some ac97 codecs.
1119 * e.g. The STAC9704 returns exactly what you wrote to the register
1120 * if you read it immediately. This causes the detect routine to fail.
1121 */
1122 val = snd_ac97_read(ac97, reg);
1123 val = snd_ac97_read(ac97, reg);
1124 if (! *lo_max && (val & 0x7f) == cbit[i])
1125 *lo_max = max[i];
1126 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1127 *hi_max = max[i];
1128 if (*lo_max && *hi_max)
1129 break;
1130 }
1131 }
1132
1133 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1134 {
1135 unsigned short mask, val, orig, res;
1136
1137 mask = 1 << bit;
1138 orig = snd_ac97_read(ac97, reg);
1139 val = orig ^ mask;
1140 snd_ac97_write(ac97, reg, val);
1141 res = snd_ac97_read(ac97, reg);
1142 snd_ac97_write_cache(ac97, reg, orig);
1143 return res == val;
1144 }
1145
1146 /* check the volume resolution of center/lfe */
1147 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1148 {
1149 unsigned short val, val1;
1150
1151 *max = 63;
1152 val = AC97_MUTE_MASK_STEREO | (0x20 << shift);
1153 snd_ac97_write(ac97, reg, val);
1154 val1 = snd_ac97_read(ac97, reg);
1155 if (val != val1) {
1156 *max = 31;
1157 }
1158 /* reset volume to zero */
1159 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO);
1160 }
1161
1162 static inline int printable(unsigned int x)
1163 {
1164 x &= 0xff;
1165 if (x < ' ' || x >= 0x71) {
1166 if (x <= 0x89)
1167 return x - 0x71 + 'A';
1168 return '?';
1169 }
1170 return x;
1171 }
1172
1173 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
1174 struct snd_ac97 * ac97)
1175 {
1176 struct snd_kcontrol_new template;
1177 memcpy(&template, _template, sizeof(template));
1178 template.index = ac97->num;
1179 return snd_ctl_new1(&template, ac97);
1180 }
1181
1182 /*
1183 * create mute switch(es) for normal stereo controls
1184 */
1185 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1186 int check_stereo, int check_amix,
1187 struct snd_ac97 *ac97)
1188 {
1189 struct snd_kcontrol *kctl;
1190 int err;
1191 unsigned short val, val1, mute_mask;
1192
1193 if (! snd_ac97_valid_reg(ac97, reg))
1194 return 0;
1195
1196 mute_mask = AC97_MUTE_MASK_MONO;
1197 val = snd_ac97_read(ac97, reg);
1198 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1199 /* check whether both mute bits work */
1200 val1 = val | AC97_MUTE_MASK_STEREO;
1201 snd_ac97_write(ac97, reg, val1);
1202 if (val1 == snd_ac97_read(ac97, reg))
1203 mute_mask = AC97_MUTE_MASK_STEREO;
1204 }
1205 if (mute_mask == AC97_MUTE_MASK_STEREO) {
1206 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1207 if (check_amix)
1208 tmp.private_value |= (1 << 30);
1209 tmp.index = ac97->num;
1210 kctl = snd_ctl_new1(&tmp, ac97);
1211 } else {
1212 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1213 if (check_amix)
1214 tmp.private_value |= (1 << 30);
1215 tmp.index = ac97->num;
1216 kctl = snd_ctl_new1(&tmp, ac97);
1217 }
1218 err = snd_ctl_add(card, kctl);
1219 if (err < 0)
1220 return err;
1221 /* mute as default */
1222 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1223 return 0;
1224 }
1225
1226 /*
1227 * set dB information
1228 */
1229 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1230 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1231 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1232 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1233 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1234
1235 static const unsigned int *find_db_scale(unsigned int maxval)
1236 {
1237 switch (maxval) {
1238 case 0x0f: return db_scale_4bit;
1239 case 0x1f: return db_scale_5bit;
1240 case 0x3f: return db_scale_6bit;
1241 }
1242 return NULL;
1243 }
1244
1245 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1246 {
1247 kctl->tlv.p = tlv;
1248 if (tlv)
1249 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1250 }
1251
1252 /*
1253 * create a volume for normal stereo/mono controls
1254 */
1255 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1256 unsigned int hi_max, struct snd_ac97 *ac97)
1257 {
1258 int err;
1259 struct snd_kcontrol *kctl;
1260
1261 if (! snd_ac97_valid_reg(ac97, reg))
1262 return 0;
1263 if (hi_max) {
1264 /* invert */
1265 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1266 tmp.index = ac97->num;
1267 kctl = snd_ctl_new1(&tmp, ac97);
1268 } else {
1269 /* invert */
1270 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1271 tmp.index = ac97->num;
1272 kctl = snd_ctl_new1(&tmp, ac97);
1273 }
1274 if (!kctl)
1275 return -ENOMEM;
1276 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1277 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1278 else
1279 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1280 err = snd_ctl_add(card, kctl);
1281 if (err < 0)
1282 return err;
1283 snd_ac97_write_cache(
1284 ac97, reg,
1285 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO)
1286 | lo_max | (hi_max << 8)
1287 );
1288 return 0;
1289 }
1290
1291 /*
1292 * create a mute-switch and a volume for normal stereo/mono controls
1293 */
1294 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1295 int reg, int check_stereo, int check_amix,
1296 struct snd_ac97 *ac97)
1297 {
1298 int err;
1299 char name[44];
1300 unsigned char lo_max, hi_max;
1301
1302 if (! snd_ac97_valid_reg(ac97, reg))
1303 return 0;
1304
1305 if (snd_ac97_try_bit(ac97, reg, 15)) {
1306 sprintf(name, "%s Switch", pfx);
1307 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1308 check_stereo, check_amix,
1309 ac97)) < 0)
1310 return err;
1311 }
1312 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1313 if (lo_max) {
1314 sprintf(name, "%s Volume", pfx);
1315 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1316 return err;
1317 }
1318 return 0;
1319 }
1320
1321 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1322 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1323 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1324 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1325
1326 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1327
1328 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1329 {
1330 struct snd_card *card = ac97->bus->card;
1331 struct snd_kcontrol *kctl;
1332 int err;
1333 unsigned int idx;
1334 unsigned char max;
1335
1336 /* build master controls */
1337 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1338 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1339 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1340 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1341 AC97_MASTER, 0, ac97);
1342 else
1343 err = snd_ac97_cmix_new(card, "Master Playback",
1344 AC97_MASTER, 0, ac97);
1345 if (err < 0)
1346 return err;
1347 }
1348
1349 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO;
1350
1351 /* build center controls */
1352 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1353 && !(ac97->flags & AC97_AD_MULTI)) {
1354 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1355 return err;
1356 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1357 return err;
1358 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1359 kctl->private_value &= ~(0xff << 16);
1360 kctl->private_value |= (int)max << 16;
1361 set_tlv_db_scale(kctl, find_db_scale(max));
1362 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1363 }
1364
1365 /* build LFE controls */
1366 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1367 && !(ac97->flags & AC97_AD_MULTI)) {
1368 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1369 return err;
1370 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1371 return err;
1372 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1373 kctl->private_value &= ~(0xff << 16);
1374 kctl->private_value |= (int)max << 16;
1375 set_tlv_db_scale(kctl, find_db_scale(max));
1376 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1377 }
1378
1379 /* build surround controls */
1380 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1381 && !(ac97->flags & AC97_AD_MULTI)) {
1382 /* Surround Master (0x38) is with stereo mutes */
1383 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1384 AC97_SURROUND_MASTER, 1, 0,
1385 ac97)) < 0)
1386 return err;
1387 }
1388
1389 /* build headphone controls */
1390 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1391 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1392 AC97_HEADPHONE, 0, ac97)) < 0)
1393 return err;
1394 }
1395
1396 /* build master mono controls */
1397 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1398 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1399 AC97_MASTER_MONO, 0, ac97)) < 0)
1400 return err;
1401 }
1402
1403 /* build master tone controls */
1404 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1405 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1406 for (idx = 0; idx < 2; idx++) {
1407 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1408 return err;
1409 if (ac97->id == AC97_ID_YMF743 ||
1410 ac97->id == AC97_ID_YMF753) {
1411 kctl->private_value &= ~(0xff << 16);
1412 kctl->private_value |= 7 << 16;
1413 }
1414 }
1415 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1416 }
1417 }
1418
1419 /* build Beep controls */
1420 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1421 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1422 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1423 for (idx = 0; idx < 2; idx++)
1424 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1425 return err;
1426 set_tlv_db_scale(kctl, db_scale_4bit);
1427 snd_ac97_write_cache(
1428 ac97,
1429 AC97_PC_BEEP,
1430 (snd_ac97_read(ac97, AC97_PC_BEEP)
1431 | AC97_MUTE_MASK_MONO | 0x001e)
1432 );
1433 }
1434
1435 /* build Phone controls */
1436 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1437 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1438 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1439 AC97_PHONE, 1, ac97)) < 0)
1440 return err;
1441 }
1442 }
1443
1444 /* build MIC controls */
1445 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1446 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1447 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1448 AC97_MIC, 1, ac97)) < 0)
1449 return err;
1450 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1451 return err;
1452 }
1453 }
1454
1455 /* build Line controls */
1456 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1457 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1458 AC97_LINE, 1, ac97)) < 0)
1459 return err;
1460 }
1461
1462 /* build CD controls */
1463 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1464 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1465 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1466 AC97_CD, 1, ac97)) < 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 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1475 AC97_VIDEO, 1, ac97)) < 0)
1476 return err;
1477 }
1478 }
1479
1480 /* build Aux controls */
1481 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1482 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1483 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1484 AC97_AUX, 1, ac97)) < 0)
1485 return err;
1486 }
1487 }
1488
1489 /* build PCM controls */
1490 if (ac97->flags & AC97_AD_MULTI) {
1491 unsigned short init_val;
1492 if (ac97->flags & AC97_STEREO_MUTES)
1493 init_val = 0x9f9f;
1494 else
1495 init_val = 0x9f1f;
1496 for (idx = 0; idx < 2; idx++)
1497 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1498 return err;
1499 set_tlv_db_scale(kctl, db_scale_5bit);
1500 ac97->spec.ad18xx.pcmreg[0] = init_val;
1501 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1502 for (idx = 0; idx < 2; idx++)
1503 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1504 return err;
1505 set_tlv_db_scale(kctl, db_scale_5bit);
1506 ac97->spec.ad18xx.pcmreg[1] = init_val;
1507 }
1508 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1509 for (idx = 0; idx < 2; idx++)
1510 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1511 return err;
1512 set_tlv_db_scale(kctl, db_scale_5bit);
1513 for (idx = 0; idx < 2; idx++)
1514 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1515 return err;
1516 set_tlv_db_scale(kctl, db_scale_5bit);
1517 ac97->spec.ad18xx.pcmreg[2] = init_val;
1518 }
1519 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1520 } else {
1521 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1522 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1523 err = snd_ac97_cmute_new(card,
1524 "PCM Playback Switch",
1525 AC97_PCM, 0, ac97);
1526 else
1527 err = snd_ac97_cmix_new(card, "PCM Playback",
1528 AC97_PCM, 0, ac97);
1529 if (err < 0)
1530 return err;
1531 }
1532 }
1533
1534 /* build Capture controls */
1535 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1536 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1537 return err;
1538 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1539 err = snd_ac97_cmute_new(card, "Capture Switch",
1540 AC97_REC_GAIN, 0, ac97);
1541 if (err < 0)
1542 return err;
1543 }
1544 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1545 return err;
1546 set_tlv_db_scale(kctl, db_scale_rec_gain);
1547 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1548 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1549 }
1550 /* build MIC Capture controls */
1551 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1552 for (idx = 0; idx < 2; idx++)
1553 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1554 return err;
1555 set_tlv_db_scale(kctl, db_scale_rec_gain);
1556 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1557 }
1558
1559 /* build PCM out path & mute control */
1560 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1561 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1562 return err;
1563 }
1564
1565 /* build Simulated Stereo Enhancement control */
1566 if (ac97->caps & AC97_BC_SIM_STEREO) {
1567 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1568 return err;
1569 }
1570
1571 /* build 3D Stereo Enhancement control */
1572 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1573 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1574 return err;
1575 }
1576
1577 /* build Loudness control */
1578 if (ac97->caps & AC97_BC_LOUDNESS) {
1579 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1580 return err;
1581 }
1582
1583 /* build Mono output select control */
1584 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1585 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1586 return err;
1587 }
1588
1589 /* build Mic select control */
1590 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1591 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1592 return err;
1593 }
1594
1595 /* build ADC/DAC loopback control */
1596 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1597 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1598 return err;
1599 }
1600
1601 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1602
1603 /* build 3D controls */
1604 if (ac97->build_ops->build_3d) {
1605 ac97->build_ops->build_3d(ac97);
1606 } else {
1607 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1608 unsigned short val;
1609 val = 0x0707;
1610 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1611 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1612 val = val == 0x0606;
1613 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1614 return err;
1615 if (val)
1616 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1617 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1618 return err;
1619 if (val)
1620 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1621 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1622 }
1623 }
1624
1625 /* build S/PDIF controls */
1626
1627 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1628 if (ac97->subsystem_vendor == 0x1043 &&
1629 ac97->subsystem_device == 0x810f)
1630 ac97->ext_id |= AC97_EI_SPDIF;
1631
1632 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1633 if (ac97->build_ops->build_spdif) {
1634 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1635 return err;
1636 } else {
1637 for (idx = 0; idx < 5; idx++)
1638 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1639 return err;
1640 if (ac97->build_ops->build_post_spdif) {
1641 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1642 return err;
1643 }
1644 /* set default PCM S/PDIF params */
1645 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1646 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1647 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1648 }
1649 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1650 }
1651
1652 /* build chip specific controls */
1653 if (ac97->build_ops->build_specific)
1654 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1655 return err;
1656
1657 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1658 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1659 if (! kctl)
1660 return -ENOMEM;
1661 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1662 set_inv_eapd(ac97, kctl);
1663 if ((err = snd_ctl_add(card, kctl)) < 0)
1664 return err;
1665 }
1666
1667 return 0;
1668 }
1669
1670 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1671 {
1672 int err, idx;
1673
1674 /*
1675 printk(KERN_DEBUG "AC97_GPIO_CFG = %x\n",
1676 snd_ac97_read(ac97,AC97_GPIO_CFG));
1677 */
1678 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1679 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1680 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1681 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1682 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1683
1684 /* build modem switches */
1685 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1686 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1687 return err;
1688
1689 /* build chip specific controls */
1690 if (ac97->build_ops->build_specific)
1691 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1692 return err;
1693
1694 return 0;
1695 }
1696
1697 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1698 {
1699 unsigned short val;
1700 unsigned int tmp;
1701
1702 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1703 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1704 if (shadow_reg)
1705 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1706 val = snd_ac97_read(ac97, reg);
1707 return val == (tmp & 0xffff);
1708 }
1709
1710 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1711 {
1712 unsigned int result = 0;
1713 unsigned short saved;
1714
1715 if (ac97->bus->no_vra) {
1716 *r_result = SNDRV_PCM_RATE_48000;
1717 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1718 reg == AC97_PCM_FRONT_DAC_RATE)
1719 *r_result |= SNDRV_PCM_RATE_96000;
1720 return;
1721 }
1722
1723 saved = snd_ac97_read(ac97, reg);
1724 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1725 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1726 AC97_EA_DRA, 0);
1727 /* test a non-standard rate */
1728 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1729 result |= SNDRV_PCM_RATE_CONTINUOUS;
1730 /* let's try to obtain standard rates */
1731 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1732 result |= SNDRV_PCM_RATE_8000;
1733 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1734 result |= SNDRV_PCM_RATE_11025;
1735 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1736 result |= SNDRV_PCM_RATE_16000;
1737 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1738 result |= SNDRV_PCM_RATE_22050;
1739 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1740 result |= SNDRV_PCM_RATE_32000;
1741 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1742 result |= SNDRV_PCM_RATE_44100;
1743 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1744 result |= SNDRV_PCM_RATE_48000;
1745 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1746 reg == AC97_PCM_FRONT_DAC_RATE) {
1747 /* test standard double rates */
1748 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1749 AC97_EA_DRA, AC97_EA_DRA);
1750 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1751 result |= SNDRV_PCM_RATE_64000;
1752 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1753 result |= SNDRV_PCM_RATE_88200;
1754 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1755 result |= SNDRV_PCM_RATE_96000;
1756 /* some codecs don't support variable double rates */
1757 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1758 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1759 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1760 AC97_EA_DRA, 0);
1761 }
1762 /* restore the default value */
1763 snd_ac97_write_cache(ac97, reg, saved);
1764 if (shadow_reg)
1765 snd_ac97_write_cache(ac97, shadow_reg, saved);
1766 *r_result = result;
1767 }
1768
1769 /* check AC97_SPDIF register to accept which sample rates */
1770 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1771 {
1772 unsigned int result = 0;
1773 int i;
1774 static unsigned short ctl_bits[] = {
1775 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1776 };
1777 static unsigned int rate_bits[] = {
1778 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1779 };
1780
1781 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1782 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1783 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1784 result |= rate_bits[i];
1785 }
1786 return result;
1787 }
1788
1789 /* look for the codec id table matching with the given id */
1790 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1791 unsigned int id)
1792 {
1793 const struct ac97_codec_id *pid;
1794
1795 for (pid = table; pid->id; pid++)
1796 if (pid->id == (id & pid->mask))
1797 return pid;
1798 return NULL;
1799 }
1800
1801 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1802 {
1803 const struct ac97_codec_id *pid;
1804
1805 sprintf(name, "0x%x %c%c%c", id,
1806 printable(id >> 24),
1807 printable(id >> 16),
1808 printable(id >> 8));
1809 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1810 if (! pid)
1811 return;
1812
1813 strcpy(name, pid->name);
1814 if (ac97 && pid->patch) {
1815 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1816 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1817 pid->patch(ac97);
1818 }
1819
1820 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1821 if (pid) {
1822 strcat(name, " ");
1823 strcat(name, pid->name);
1824 if (pid->mask != 0xffffffff)
1825 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1826 if (ac97 && pid->patch) {
1827 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1828 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1829 pid->patch(ac97);
1830 }
1831 } else
1832 sprintf(name + strlen(name), " id %x", id & 0xff);
1833 }
1834
1835 /**
1836 * snd_ac97_get_short_name - retrieve codec name
1837 * @ac97: the codec instance
1838 *
1839 * Returns the short identifying name of the codec.
1840 */
1841 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1842 {
1843 const struct ac97_codec_id *pid;
1844
1845 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1846 if (pid->id == (ac97->id & pid->mask))
1847 return pid->name;
1848 return "unknown codec";
1849 }
1850
1851 EXPORT_SYMBOL(snd_ac97_get_short_name);
1852
1853 /* wait for a while until registers are accessible after RESET
1854 * return 0 if ok, negative not ready
1855 */
1856 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1857 {
1858 unsigned long end_time;
1859 unsigned short val;
1860
1861 end_time = jiffies + timeout;
1862 do {
1863
1864 /* use preliminary reads to settle the communication */
1865 snd_ac97_read(ac97, AC97_RESET);
1866 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1867 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1868 /* modem? */
1869 if (with_modem) {
1870 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1871 if (val != 0xffff && (val & 1) != 0)
1872 return 0;
1873 }
1874 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1875 /* probably only Xbox issue - all registers are read as zero */
1876 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1877 if (val != 0 && val != 0xffff)
1878 return 0;
1879 } else {
1880 /* because the PCM or MASTER volume registers can be modified,
1881 * the REC_GAIN register is used for tests
1882 */
1883 /* test if we can write to the record gain volume register */
1884 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1885 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1886 return 0;
1887 }
1888 schedule_timeout_uninterruptible(1);
1889 } while (time_after_eq(end_time, jiffies));
1890 return -ENODEV;
1891 }
1892
1893 /**
1894 * snd_ac97_bus - create an AC97 bus component
1895 * @card: the card instance
1896 * @num: the bus number
1897 * @ops: the bus callbacks table
1898 * @private_data: private data pointer for the new instance
1899 * @rbus: the pointer to store the new AC97 bus instance.
1900 *
1901 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1902 * allocated and initialized.
1903 *
1904 * The ops table must include valid callbacks (at least read and
1905 * write). The other callbacks, wait and reset, are not mandatory.
1906 *
1907 * The clock is set to 48000. If another clock is needed, set
1908 * (*rbus)->clock manually.
1909 *
1910 * The AC97 bus instance is registered as a low-level device, so you don't
1911 * have to release it manually.
1912 *
1913 * Returns zero if successful, or a negative error code on failure.
1914 */
1915 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1916 void *private_data, struct snd_ac97_bus **rbus)
1917 {
1918 int err;
1919 struct snd_ac97_bus *bus;
1920 static struct snd_device_ops dev_ops = {
1921 .dev_free = snd_ac97_bus_dev_free,
1922 };
1923
1924 if (snd_BUG_ON(!card))
1925 return -EINVAL;
1926 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1927 if (bus == NULL)
1928 return -ENOMEM;
1929 bus->card = card;
1930 bus->num = num;
1931 bus->ops = ops;
1932 bus->private_data = private_data;
1933 bus->clock = 48000;
1934 spin_lock_init(&bus->bus_lock);
1935 snd_ac97_bus_proc_init(bus);
1936 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1937 snd_ac97_bus_free(bus);
1938 return err;
1939 }
1940 if (rbus)
1941 *rbus = bus;
1942 return 0;
1943 }
1944
1945 EXPORT_SYMBOL(snd_ac97_bus);
1946
1947 /* stop no dev release warning */
1948 static void ac97_device_release(struct device * dev)
1949 {
1950 }
1951
1952 /* register ac97 codec to bus */
1953 static int snd_ac97_dev_register(struct snd_device *device)
1954 {
1955 struct snd_ac97 *ac97 = device->device_data;
1956 int err;
1957
1958 ac97->dev.bus = &ac97_bus_type;
1959 ac97->dev.parent = ac97->bus->card->dev;
1960 ac97->dev.release = ac97_device_release;
1961 dev_set_name(&ac97->dev, "%d-%d:%s",
1962 ac97->bus->card->number, ac97->num,
1963 snd_ac97_get_short_name(ac97));
1964 if ((err = device_register(&ac97->dev)) < 0) {
1965 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1966 ac97->dev.bus = NULL;
1967 return err;
1968 }
1969 return 0;
1970 }
1971
1972 /* disconnect ac97 codec */
1973 static int snd_ac97_dev_disconnect(struct snd_device *device)
1974 {
1975 struct snd_ac97 *ac97 = device->device_data;
1976 if (ac97->dev.bus)
1977 device_unregister(&ac97->dev);
1978 return 0;
1979 }
1980
1981 /* build_ops to do nothing */
1982 static const struct snd_ac97_build_ops null_build_ops;
1983
1984 #ifdef CONFIG_SND_AC97_POWER_SAVE
1985 static void do_update_power(struct work_struct *work)
1986 {
1987 update_power_regs(
1988 container_of(work, struct snd_ac97, power_work.work));
1989 }
1990 #endif
1991
1992 /**
1993 * snd_ac97_mixer - create an Codec97 component
1994 * @bus: the AC97 bus which codec is attached to
1995 * @template: the template of ac97, including index, callbacks and
1996 * the private data.
1997 * @rac97: the pointer to store the new ac97 instance.
1998 *
1999 * Creates an Codec97 component. An struct snd_ac97 instance is newly
2000 * allocated and initialized from the template. The codec
2001 * is then initialized by the standard procedure.
2002 *
2003 * The template must include the codec number (num) and address (addr),
2004 * and the private data (private_data).
2005 *
2006 * The ac97 instance is registered as a low-level device, so you don't
2007 * have to release it manually.
2008 *
2009 * Returns zero if successful, or a negative error code on failure.
2010 */
2011 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
2012 {
2013 int err;
2014 struct snd_ac97 *ac97;
2015 struct snd_card *card;
2016 char name[64];
2017 unsigned long end_time;
2018 unsigned int reg;
2019 const struct ac97_codec_id *pid;
2020 static struct snd_device_ops ops = {
2021 .dev_free = snd_ac97_dev_free,
2022 .dev_register = snd_ac97_dev_register,
2023 .dev_disconnect = snd_ac97_dev_disconnect,
2024 };
2025
2026 if (rac97)
2027 *rac97 = NULL;
2028 if (snd_BUG_ON(!bus || !template))
2029 return -EINVAL;
2030 if (snd_BUG_ON(template->num >= 4))
2031 return -EINVAL;
2032 if (bus->codec[template->num])
2033 return -EBUSY;
2034
2035 card = bus->card;
2036 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
2037 if (ac97 == NULL)
2038 return -ENOMEM;
2039 ac97->private_data = template->private_data;
2040 ac97->private_free = template->private_free;
2041 ac97->bus = bus;
2042 ac97->pci = template->pci;
2043 ac97->num = template->num;
2044 ac97->addr = template->addr;
2045 ac97->scaps = template->scaps;
2046 ac97->res_table = template->res_table;
2047 bus->codec[ac97->num] = ac97;
2048 mutex_init(&ac97->reg_mutex);
2049 mutex_init(&ac97->page_mutex);
2050 #ifdef CONFIG_SND_AC97_POWER_SAVE
2051 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
2052 #endif
2053
2054 #ifdef CONFIG_PCI
2055 if (ac97->pci) {
2056 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2057 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2058 }
2059 #endif
2060 if (bus->ops->reset) {
2061 bus->ops->reset(ac97);
2062 goto __access_ok;
2063 }
2064
2065 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2066 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2067 if (ac97->id && ac97->id != (unsigned int)-1) {
2068 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2069 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2070 goto __access_ok;
2071 }
2072
2073 /* reset to defaults */
2074 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2075 snd_ac97_write(ac97, AC97_RESET, 0);
2076 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2077 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2078 if (bus->ops->wait)
2079 bus->ops->wait(ac97);
2080 else {
2081 udelay(50);
2082 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2083 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);
2084 else {
2085 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);
2086 if (err < 0)
2087 err = ac97_reset_wait(ac97,
2088 msecs_to_jiffies(500), 1);
2089 }
2090 if (err < 0) {
2091 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
2092 /* proceed anyway - it's often non-critical */
2093 }
2094 }
2095 __access_ok:
2096 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2097 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2098 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2099 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2100 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
2101 snd_ac97_free(ac97);
2102 return -EIO;
2103 }
2104 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2105 if (pid)
2106 ac97->flags |= pid->flags;
2107
2108 /* test for AC'97 */
2109 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2110 /* test if we can write to the record gain volume register */
2111 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2112 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2113 ac97->scaps |= AC97_SCAP_AUDIO;
2114 }
2115 if (ac97->scaps & AC97_SCAP_AUDIO) {
2116 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2117 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2118 if (ac97->ext_id == 0xffff) /* invalid combination */
2119 ac97->ext_id = 0;
2120 }
2121
2122 /* test for MC'97 */
2123 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2124 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2125 if (ac97->ext_mid == 0xffff) /* invalid combination */
2126 ac97->ext_mid = 0;
2127 if (ac97->ext_mid & 1)
2128 ac97->scaps |= AC97_SCAP_MODEM;
2129 }
2130
2131 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2132 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2133 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2134 snd_ac97_free(ac97);
2135 return -EACCES;
2136 }
2137
2138 if (bus->ops->reset) // FIXME: always skipping?
2139 goto __ready_ok;
2140
2141 /* FIXME: add powerdown control */
2142 if (ac97_is_audio(ac97)) {
2143 /* nothing should be in powerdown mode */
2144 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2145 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2146 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2147 udelay(100);
2148 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2149 }
2150 /* nothing should be in powerdown mode */
2151 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2152 end_time = jiffies + msecs_to_jiffies(5000);
2153 do {
2154 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2155 goto __ready_ok;
2156 schedule_timeout_uninterruptible(1);
2157 } while (time_after_eq(end_time, jiffies));
2158 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2159 }
2160
2161 /* FIXME: add powerdown control */
2162 if (ac97_is_modem(ac97)) {
2163 unsigned char tmp;
2164
2165 /* nothing should be in powerdown mode */
2166 /* note: it's important to set the rate at first */
2167 tmp = AC97_MEA_GPIO;
2168 if (ac97->ext_mid & AC97_MEI_LINE1) {
2169 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2170 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2171 }
2172 if (ac97->ext_mid & AC97_MEI_LINE2) {
2173 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2174 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2175 }
2176 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2177 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2178 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2179 }
2180 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2181 udelay(100);
2182 /* nothing should be in powerdown mode */
2183 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2184 end_time = jiffies + msecs_to_jiffies(100);
2185 do {
2186 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2187 goto __ready_ok;
2188 schedule_timeout_uninterruptible(1);
2189 } while (time_after_eq(end_time, jiffies));
2190 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2191 }
2192
2193 __ready_ok:
2194 if (ac97_is_audio(ac97))
2195 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2196 else
2197 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2198 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2199 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2200 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2201 if (! bus->no_vra)
2202 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2203 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2204 }
2205 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2206 /* Intel controllers require double rate data to be put in
2207 * slots 7+8, so let's hope the codec supports it. */
2208 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2209 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2210 ac97->flags |= AC97_DOUBLE_RATE;
2211 /* restore to slots 10/11 to avoid the confliction with surrounds */
2212 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2213 }
2214 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2215 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2216 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2217 } else {
2218 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2219 if (ac97->flags & AC97_DOUBLE_RATE)
2220 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2221 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2222 }
2223 if (ac97->ext_id & AC97_EI_SPDIF) {
2224 /* codec specific code (patch) should override these values */
2225 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2226 }
2227 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2228 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2229 } else {
2230 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2231 }
2232 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2233 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2234 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2235 }
2236 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2237 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2238 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2239 }
2240 /* additional initializations */
2241 if (bus->ops->init)
2242 bus->ops->init(ac97);
2243 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2244 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2245 if (! ac97->build_ops)
2246 ac97->build_ops = &null_build_ops;
2247
2248 if (ac97_is_audio(ac97)) {
2249 char comp[16];
2250 if (card->mixername[0] == '\0') {
2251 strcpy(card->mixername, name);
2252 } else {
2253 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2254 strcat(card->mixername, ",");
2255 strcat(card->mixername, name);
2256 }
2257 }
2258 sprintf(comp, "AC97a:%08x", ac97->id);
2259 if ((err = snd_component_add(card, comp)) < 0) {
2260 snd_ac97_free(ac97);
2261 return err;
2262 }
2263 if (snd_ac97_mixer_build(ac97) < 0) {
2264 snd_ac97_free(ac97);
2265 return -ENOMEM;
2266 }
2267 }
2268 if (ac97_is_modem(ac97)) {
2269 char comp[16];
2270 if (card->mixername[0] == '\0') {
2271 strcpy(card->mixername, name);
2272 } else {
2273 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2274 strcat(card->mixername, ",");
2275 strcat(card->mixername, name);
2276 }
2277 }
2278 sprintf(comp, "AC97m:%08x", ac97->id);
2279 if ((err = snd_component_add(card, comp)) < 0) {
2280 snd_ac97_free(ac97);
2281 return err;
2282 }
2283 if (snd_ac97_modem_build(card, ac97) < 0) {
2284 snd_ac97_free(ac97);
2285 return -ENOMEM;
2286 }
2287 }
2288 if (ac97_is_audio(ac97))
2289 update_power_regs(ac97);
2290 snd_ac97_proc_init(ac97);
2291 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2292 snd_ac97_free(ac97);
2293 return err;
2294 }
2295 *rac97 = ac97;
2296 return 0;
2297 }
2298
2299 EXPORT_SYMBOL(snd_ac97_mixer);
2300
2301 /*
2302 * Power down the chip.
2303 *
2304 * MASTER and HEADPHONE registers are muted but the register cache values
2305 * are not changed, so that the values can be restored in snd_ac97_resume().
2306 */
2307 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2308 {
2309 unsigned short power;
2310
2311 if (ac97_is_audio(ac97)) {
2312 /* some codecs have stereo mute bits */
2313 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2314 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2315 }
2316
2317 /* surround, CLFE, mic powerdown */
2318 power = ac97->regs[AC97_EXTENDED_STATUS];
2319 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2320 power |= AC97_EA_PRJ;
2321 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2322 power |= AC97_EA_PRI | AC97_EA_PRK;
2323 power |= AC97_EA_PRL;
2324 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2325
2326 /* powerdown external amplifier */
2327 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2328 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2329 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2330 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2331 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2332 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
2333 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2334 udelay(100);
2335 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */
2336 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2337 if (ac97_is_power_save_mode(ac97)) {
2338 power |= AC97_PD_PR3; /* Analog Mixer powerdown */
2339 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2340 udelay(100);
2341 /* AC-link powerdown, internal Clk disable */
2342 /* FIXME: this may cause click noises on some boards */
2343 power |= AC97_PD_PR4 | AC97_PD_PR5;
2344 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2345 }
2346 }
2347
2348
2349 struct ac97_power_reg {
2350 unsigned short reg;
2351 unsigned short power_reg;
2352 unsigned short mask;
2353 };
2354
2355 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2356
2357 static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2358 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2359 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2360 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2361 AC97_EA_PRI | AC97_EA_PRK},
2362 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2363 AC97_EA_PRJ},
2364 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2365 AC97_EA_PRL},
2366 };
2367
2368 #ifdef CONFIG_SND_AC97_POWER_SAVE
2369 /**
2370 * snd_ac97_update_power - update the powerdown register
2371 * @ac97: the codec instance
2372 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2373 * @powerup: non-zero when power up the part
2374 *
2375 * Update the AC97 powerdown register bits of the given part.
2376 */
2377 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2378 {
2379 int i;
2380
2381 if (! ac97)
2382 return 0;
2383
2384 if (reg) {
2385 /* SPDIF requires DAC power, too */
2386 if (reg == AC97_SPDIF)
2387 reg = AC97_PCM_FRONT_DAC_RATE;
2388 for (i = 0; i < PWIDX_SIZE; i++) {
2389 if (power_regs[i].reg == reg) {
2390 if (powerup)
2391 ac97->power_up |= (1 << i);
2392 else
2393 ac97->power_up &= ~(1 << i);
2394 break;
2395 }
2396 }
2397 }
2398
2399 if (ac97_is_power_save_mode(ac97) && !powerup)
2400 /* adjust power-down bits after two seconds delay
2401 * (for avoiding loud click noises for many (OSS) apps
2402 * that open/close frequently)
2403 */
2404 schedule_delayed_work(&ac97->power_work,
2405 msecs_to_jiffies(power_save * 1000));
2406 else {
2407 cancel_delayed_work(&ac97->power_work);
2408 update_power_regs(ac97);
2409 }
2410
2411 return 0;
2412 }
2413
2414 EXPORT_SYMBOL(snd_ac97_update_power);
2415 #endif /* CONFIG_SND_AC97_POWER_SAVE */
2416
2417 static void update_power_regs(struct snd_ac97 *ac97)
2418 {
2419 unsigned int power_up, bits;
2420 int i;
2421
2422 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2423 power_up |= (1 << PWIDX_MIC);
2424 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2425 power_up |= (1 << PWIDX_SURR);
2426 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2427 power_up |= (1 << PWIDX_CLFE);
2428 #ifdef CONFIG_SND_AC97_POWER_SAVE
2429 if (ac97_is_power_save_mode(ac97))
2430 power_up = ac97->power_up;
2431 #endif
2432 if (power_up) {
2433 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2434 /* needs power-up analog mix and vref */
2435 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2436 AC97_PD_PR3, 0);
2437 msleep(1);
2438 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2439 AC97_PD_PR2, 0);
2440 }
2441 }
2442 for (i = 0; i < PWIDX_SIZE; i++) {
2443 if (power_up & (1 << i))
2444 bits = 0;
2445 else
2446 bits = power_regs[i].mask;
2447 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2448 power_regs[i].mask, bits);
2449 }
2450 if (! power_up) {
2451 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2452 /* power down analog mix and vref */
2453 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2454 AC97_PD_PR2, AC97_PD_PR2);
2455 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2456 AC97_PD_PR3, AC97_PD_PR3);
2457 }
2458 }
2459 }
2460
2461
2462 #ifdef CONFIG_PM
2463 /**
2464 * snd_ac97_suspend - General suspend function for AC97 codec
2465 * @ac97: the ac97 instance
2466 *
2467 * Suspends the codec, power down the chip.
2468 */
2469 void snd_ac97_suspend(struct snd_ac97 *ac97)
2470 {
2471 if (! ac97)
2472 return;
2473 if (ac97->build_ops->suspend)
2474 ac97->build_ops->suspend(ac97);
2475 #ifdef CONFIG_SND_AC97_POWER_SAVE
2476 cancel_delayed_work_sync(&ac97->power_work);
2477 #endif
2478 snd_ac97_powerdown(ac97);
2479 }
2480
2481 EXPORT_SYMBOL(snd_ac97_suspend);
2482
2483 /*
2484 * restore ac97 status
2485 */
2486 static void snd_ac97_restore_status(struct snd_ac97 *ac97)
2487 {
2488 int i;
2489
2490 for (i = 2; i < 0x7c ; i += 2) {
2491 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2492 continue;
2493 /* restore only accessible registers
2494 * some chip (e.g. nm256) may hang up when unsupported registers
2495 * are accessed..!
2496 */
2497 if (test_bit(i, ac97->reg_accessed)) {
2498 snd_ac97_write(ac97, i, ac97->regs[i]);
2499 snd_ac97_read(ac97, i);
2500 }
2501 }
2502 }
2503
2504 /*
2505 * restore IEC958 status
2506 */
2507 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2508 {
2509 if (ac97->ext_id & AC97_EI_SPDIF) {
2510 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2511 /* reset spdif status */
2512 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2513 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2514 if (ac97->flags & AC97_CS_SPDIF)
2515 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2516 else
2517 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2518 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2519 }
2520 }
2521 }
2522
2523 /**
2524 * snd_ac97_resume - General resume function for AC97 codec
2525 * @ac97: the ac97 instance
2526 *
2527 * Do the standard resume procedure, power up and restoring the
2528 * old register values.
2529 */
2530 void snd_ac97_resume(struct snd_ac97 *ac97)
2531 {
2532 unsigned long end_time;
2533
2534 if (! ac97)
2535 return;
2536
2537 if (ac97->bus->ops->reset) {
2538 ac97->bus->ops->reset(ac97);
2539 goto __reset_ready;
2540 }
2541
2542 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2543 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2544 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2545 snd_ac97_write(ac97, AC97_RESET, 0);
2546 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2547 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2548 udelay(100);
2549 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2550 }
2551 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2552
2553 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2554 if (ac97_is_audio(ac97)) {
2555 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2556 end_time = jiffies + msecs_to_jiffies(100);
2557 do {
2558 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2559 break;
2560 schedule_timeout_uninterruptible(1);
2561 } while (time_after_eq(end_time, jiffies));
2562 /* FIXME: extra delay */
2563 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO);
2564 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO)
2565 msleep(250);
2566 } else {
2567 end_time = jiffies + msecs_to_jiffies(100);
2568 do {
2569 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2570 if (val != 0xffff && (val & 1) != 0)
2571 break;
2572 schedule_timeout_uninterruptible(1);
2573 } while (time_after_eq(end_time, jiffies));
2574 }
2575 __reset_ready:
2576
2577 if (ac97->bus->ops->init)
2578 ac97->bus->ops->init(ac97);
2579
2580 if (ac97->build_ops->resume)
2581 ac97->build_ops->resume(ac97);
2582 else {
2583 snd_ac97_restore_status(ac97);
2584 snd_ac97_restore_iec958(ac97);
2585 }
2586 }
2587
2588 EXPORT_SYMBOL(snd_ac97_resume);
2589 #endif
2590
2591
2592 /*
2593 * Hardware tuning
2594 */
2595 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2596 {
2597 if (suffix)
2598 sprintf(dst, "%s %s", src, suffix);
2599 else
2600 strcpy(dst, src);
2601 }
2602
2603 /* remove the control with the given name and optional suffix */
2604 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
2605 const char *suffix)
2606 {
2607 struct snd_ctl_elem_id id;
2608 memset(&id, 0, sizeof(id));
2609 set_ctl_name(id.name, name, suffix);
2610 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2611 return snd_ctl_remove_id(ac97->bus->card, &id);
2612 }
2613
2614 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2615 {
2616 struct snd_ctl_elem_id sid;
2617 memset(&sid, 0, sizeof(sid));
2618 set_ctl_name(sid.name, name, suffix);
2619 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2620 return snd_ctl_find_id(ac97->bus->card, &sid);
2621 }
2622
2623 /* rename the control with the given name and optional suffix */
2624 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
2625 const char *dst, const char *suffix)
2626 {
2627 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2628 if (kctl) {
2629 set_ctl_name(kctl->id.name, dst, suffix);
2630 return 0;
2631 }
2632 return -ENOENT;
2633 }
2634
2635 /* rename both Volume and Switch controls - don't check the return value */
2636 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
2637 const char *dst)
2638 {
2639 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2640 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2641 }
2642
2643 /* swap controls */
2644 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
2645 const char *s2, const char *suffix)
2646 {
2647 struct snd_kcontrol *kctl1, *kctl2;
2648 kctl1 = ctl_find(ac97, s1, suffix);
2649 kctl2 = ctl_find(ac97, s2, suffix);
2650 if (kctl1 && kctl2) {
2651 set_ctl_name(kctl1->id.name, s2, suffix);
2652 set_ctl_name(kctl2->id.name, s1, suffix);
2653 return 0;
2654 }
2655 return -ENOENT;
2656 }
2657
2658 #if 1
2659 /* bind hp and master controls instead of using only hp control */
2660 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2661 {
2662 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2663 if (err > 0) {
2664 unsigned long priv_saved = kcontrol->private_value;
2665 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2666 snd_ac97_put_volsw(kcontrol, ucontrol);
2667 kcontrol->private_value = priv_saved;
2668 }
2669 return err;
2670 }
2671
2672 /* ac97 tune: bind Master and Headphone controls */
2673 static int tune_hp_only(struct snd_ac97 *ac97)
2674 {
2675 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2676 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2677 if (! msw || ! mvol)
2678 return -ENOENT;
2679 msw->put = bind_hp_volsw_put;
2680 mvol->put = bind_hp_volsw_put;
2681 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2682 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2683 return 0;
2684 }
2685
2686 #else
2687 /* ac97 tune: use Headphone control as master */
2688 static int tune_hp_only(struct snd_ac97 *ac97)
2689 {
2690 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2691 return -ENOENT;
2692 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2693 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2694 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2695 return 0;
2696 }
2697 #endif
2698
2699 /* ac97 tune: swap Headphone and Master controls */
2700 static int tune_swap_hp(struct snd_ac97 *ac97)
2701 {
2702 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2703 return -ENOENT;
2704 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2705 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2706 return 0;
2707 }
2708
2709 /* ac97 tune: swap Surround and Master controls */
2710 static int tune_swap_surround(struct snd_ac97 *ac97)
2711 {
2712 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2713 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2714 return -ENOENT;
2715 return 0;
2716 }
2717
2718 /* ac97 tune: set up mic sharing for AD codecs */
2719 static int tune_ad_sharing(struct snd_ac97 *ac97)
2720 {
2721 unsigned short scfg;
2722 if ((ac97->id & 0xffffff00) != 0x41445300) {
2723 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2724 return -EINVAL;
2725 }
2726 /* Turn on OMS bit to route microphone to back panel */
2727 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2728 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2729 return 0;
2730 }
2731
2732 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2733 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2734
2735 /* ac97 tune: set up ALC jack-select */
2736 static int tune_alc_jack(struct snd_ac97 *ac97)
2737 {
2738 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2739 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2740 return -EINVAL;
2741 }
2742 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2743 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2744 if (ac97->id == AC97_ID_ALC658D)
2745 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2746 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2747 }
2748
2749 /* ac97 tune: inversed EAPD bit */
2750 static int tune_inv_eapd(struct snd_ac97 *ac97)
2751 {
2752 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2753 if (! kctl)
2754 return -ENOENT;
2755 set_inv_eapd(ac97, kctl);
2756 return 0;
2757 }
2758
2759 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2760 {
2761 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2762 if (err > 0) {
2763 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2764 int shift = (kcontrol->private_value >> 8) & 0x0f;
2765 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2766 unsigned short mask;
2767 if (shift != rshift)
2768 mask = AC97_MUTE_MASK_STEREO;
2769 else
2770 mask = AC97_MUTE_MASK_MONO;
2771 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2772 (ac97->regs[AC97_MASTER] & mask) == mask ?
2773 AC97_PD_EAPD : 0);
2774 }
2775 return err;
2776 }
2777
2778 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2779 static int tune_mute_led(struct snd_ac97 *ac97)
2780 {
2781 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2782 if (! msw)
2783 return -ENOENT;
2784 msw->put = master_mute_sw_put;
2785 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2786 snd_ac97_update_bits(
2787 ac97, AC97_POWERDOWN,
2788 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2789 );
2790 ac97->scaps |= AC97_SCAP_EAPD_LED;
2791 return 0;
2792 }
2793
2794 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2795 struct snd_ctl_elem_value *ucontrol)
2796 {
2797 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2798 if (err > 0) {
2799 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2800 int shift = (kcontrol->private_value >> 8) & 0x0f;
2801 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2802 unsigned short mask;
2803 if (shift != rshift)
2804 mask = AC97_MUTE_MASK_STEREO;
2805 else
2806 mask = AC97_MUTE_MASK_MONO;
2807 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2808 (ac97->regs[AC97_MASTER] & mask) == mask ?
2809 AC97_PD_EAPD : 0);
2810 }
2811 return err;
2812 }
2813
2814 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2815 {
2816 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2817 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2818 if (! msw || ! mvol)
2819 return -ENOENT;
2820 msw->put = hp_master_mute_sw_put;
2821 mvol->put = bind_hp_volsw_put;
2822 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2823 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2824 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2825 snd_ac97_update_bits(
2826 ac97, AC97_POWERDOWN,
2827 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2828 );
2829 return 0;
2830 }
2831
2832 struct quirk_table {
2833 const char *name;
2834 int (*func)(struct snd_ac97 *);
2835 };
2836
2837 static struct quirk_table applicable_quirks[] = {
2838 { "none", NULL },
2839 { "hp_only", tune_hp_only },
2840 { "swap_hp", tune_swap_hp },
2841 { "swap_surround", tune_swap_surround },
2842 { "ad_sharing", tune_ad_sharing },
2843 { "alc_jack", tune_alc_jack },
2844 { "inv_eapd", tune_inv_eapd },
2845 { "mute_led", tune_mute_led },
2846 { "hp_mute_led", tune_hp_mute_led },
2847 };
2848
2849 /* apply the quirk with the given type */
2850 static int apply_quirk(struct snd_ac97 *ac97, int type)
2851 {
2852 if (type <= 0)
2853 return 0;
2854 else if (type >= ARRAY_SIZE(applicable_quirks))
2855 return -EINVAL;
2856 if (applicable_quirks[type].func)
2857 return applicable_quirks[type].func(ac97);
2858 return 0;
2859 }
2860
2861 /* apply the quirk with the given name */
2862 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2863 {
2864 int i;
2865 struct quirk_table *q;
2866
2867 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2868 q = &applicable_quirks[i];
2869 if (q->name && ! strcmp(typestr, q->name))
2870 return apply_quirk(ac97, i);
2871 }
2872 /* for compatibility, accept the numbers, too */
2873 if (*typestr >= '0' && *typestr <= '9')
2874 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2875 return -EINVAL;
2876 }
2877
2878 /**
2879 * snd_ac97_tune_hardware - tune up the hardware
2880 * @ac97: the ac97 instance
2881 * @quirk: quirk list
2882 * @override: explicit quirk value (overrides the list if non-NULL)
2883 *
2884 * Do some workaround for each pci device, such as renaming of the
2885 * headphone (true line-out) control as "Master".
2886 * The quirk-list must be terminated with a zero-filled entry.
2887 *
2888 * Returns zero if successful, or a negative error code on failure.
2889 */
2890
2891 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2892 {
2893 int result;
2894
2895 /* quirk overriden? */
2896 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2897 result = apply_quirk_str(ac97, override);
2898 if (result < 0)
2899 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2900 return result;
2901 }
2902
2903 if (! quirk)
2904 return -EINVAL;
2905
2906 for (; quirk->subvendor; quirk++) {
2907 if (quirk->subvendor != ac97->subsystem_vendor)
2908 continue;
2909 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2910 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2911 if (quirk->codec_id && quirk->codec_id != ac97->id)
2912 continue;
2913 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2914 result = apply_quirk(ac97, quirk->type);
2915 if (result < 0)
2916 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2917 return result;
2918 }
2919 }
2920 return 0;
2921 }
2922
2923 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2924
2925 /*
2926 * INIT part
2927 */
2928
2929 static int __init alsa_ac97_init(void)
2930 {
2931 return 0;
2932 }
2933
2934 static void __exit alsa_ac97_exit(void)
2935 {
2936 }
2937
2938 module_init(alsa_ac97_init)
2939 module_exit(alsa_ac97_exit)
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree