1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 * Universal interface for Audio Codec '97
5 *
6 * For more details look to AC '97 component specification revision 2.2
7 * by Intel Corporation (http://developer.intel.com).
8 */
9
10 #include <linux/delay.h>
11 #include <linux/init.h>
12 #include <linux/slab.h>
13 #include <linux/pci.h>
14 #include <linux/module.h>
15 #include <linux/mutex.h>
16 #include <sound/core.h>
17 #include <sound/pcm.h>
18 #include <sound/tlv.h>
19 #include <sound/ac97_codec.h>
20 #include <sound/asoundef.h>
21 #include <sound/initval.h>
22 #include "ac97_id.h"
23
24 #include "ac97_patch.c"
25
26 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
27 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
28 MODULE_LICENSE("GPL");
29
30 static bool enable_loopback;
31
32 module_param(enable_loopback, bool, 0444);
33 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
34
35 #ifdef CONFIG_SND_AC97_POWER_SAVE
36 static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT;
37 module_param(power_save, int, 0644);
38 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
39 "(in second, 0 = disable).");
40 #endif
41 /*
42
43 */
44
45 struct ac97_codec_id {
46 unsigned int id;
47 unsigned int mask;
48 const char *name;
49 int (*patch)(struct snd_ac97 *ac97);
50 int (*mpatch)(struct snd_ac97 *ac97);
51 unsigned int flags;
52 };
53
54 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
55 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
56 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
57 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
58 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
59 /*
60 * This is an _inofficial_ Aztech Labs entry
61 * (value might differ from unknown official Aztech ID),
62 * currently used by the AC97 emulation of the almost-AC97 PCI168 card.
63 */
64 { 0x415a5400, 0xffffff00, "Aztech Labs (emulated)", NULL, NULL },
65 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
66 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
67 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
68 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
69 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
70 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
71 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
72 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
73 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
74 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
75 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
76 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
77 { 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL },
78 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
79 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
80 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
81 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
82 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
83 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
84 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
85 { 0, 0, NULL, NULL, NULL }
86 };
87
88 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
89 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
90 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
91 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
92 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
93 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
94 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
95 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
96 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
97 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
98 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
99 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
100 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
101 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL },
102 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
103 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
104 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
105 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
106 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
107 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
108 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
109 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
110 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
111 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
112 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
113 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
114 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
115 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
116 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
117 { 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL },
118 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
119 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
120 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
121 { 0x415a5401, 0xffffffff, "AZF3328", patch_aztech_azf3328, NULL },
122 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
123 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
124 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
125 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL },
126 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL },
127 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL },
128 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
129 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
130 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
131 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
132 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
133 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
134 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
135 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
136 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
137 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
138 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
139 { 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL },
140 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL },
141 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
142 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
143 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
144 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
145 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
146 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
147 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
148 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
149 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
150 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
151 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
152 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
153 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
154 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
155 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
156 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
157 { 0x53544d02, 0xffffffff, "ST7597", NULL, NULL },
158 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
159 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL },
160 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
161 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
162 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
163 { 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL },
164 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
165 { 0x56494120, 0xfffffff0, "VIA1613", patch_vt1613, NULL },
166 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
167 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
168 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL },
169 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
170 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL },
171 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
172 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
173 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
174 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
175 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL},
176 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
177 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL },
178 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
179 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
180 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
181 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
182 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
183 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
184 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
185 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
186 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
187 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
188 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
189 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
190 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
191 { 0, 0, NULL, NULL, NULL }
192 };
193
194
195 static void update_power_regs(struct snd_ac97 *ac97);
196 #ifdef CONFIG_SND_AC97_POWER_SAVE
197 #define ac97_is_power_save_mode(ac97) \
198 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
199 #else
200 #define ac97_is_power_save_mode(ac97) 0
201 #endif
202
203 #define ac97_err(ac97, fmt, args...) \
204 dev_err((ac97)->bus->card->dev, fmt, ##args)
205 #define ac97_warn(ac97, fmt, args...) \
206 dev_warn((ac97)->bus->card->dev, fmt, ##args)
207 #define ac97_dbg(ac97, fmt, args...) \
208 dev_dbg((ac97)->bus->card->dev, fmt, ##args)
209
210 /*
211 * I/O routines
212 */
213
snd_ac97_valid_reg(struct snd_ac97 * ac97,unsigned short reg)214 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
215 {
216 /* filter some registers for buggy codecs */
217 switch (ac97->id) {
218 case AC97_ID_ST_AC97_ID4:
219 if (reg == 0x08)
220 return 0;
221 fallthrough;
222 case AC97_ID_ST7597:
223 if (reg == 0x22 || reg == 0x7a)
224 return 1;
225 fallthrough;
226 case AC97_ID_AK4540:
227 case AC97_ID_AK4542:
228 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
229 return 1;
230 return 0;
231 case AC97_ID_AD1819: /* AD1819 */
232 case AC97_ID_AD1881: /* AD1881 */
233 case AC97_ID_AD1881A: /* AD1881A */
234 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
235 return 0;
236 return 1;
237 case AC97_ID_AD1885: /* AD1885 */
238 case AC97_ID_AD1886: /* AD1886 */
239 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
240 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
241 if (reg == 0x5a)
242 return 1;
243 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
244 return 0;
245 return 1;
246 case AC97_ID_STAC9700:
247 case AC97_ID_STAC9704:
248 case AC97_ID_STAC9705:
249 case AC97_ID_STAC9708:
250 case AC97_ID_STAC9721:
251 case AC97_ID_STAC9744:
252 case AC97_ID_STAC9756:
253 if (reg <= 0x3a || reg >= 0x5a)
254 return 1;
255 return 0;
256 }
257 return 1;
258 }
259
260 /**
261 * snd_ac97_write - write a value on the given register
262 * @ac97: the ac97 instance
263 * @reg: the register to change
264 * @value: the value to set
265 *
266 * Writes a value on the given register. This will invoke the write
267 * callback directly after the register check.
268 * This function doesn't change the register cache unlike
269 * #snd_ca97_write_cache(), so use this only when you don't want to
270 * reflect the change to the suspend/resume state.
271 */
snd_ac97_write(struct snd_ac97 * ac97,unsigned short reg,unsigned short value)272 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
273 {
274 if (!snd_ac97_valid_reg(ac97, reg))
275 return;
276 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
277 /* Fix H/W bug of ALC100/100P */
278 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
279 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
280 }
281 ac97->bus->ops->write(ac97, reg, value);
282 }
283
284 EXPORT_SYMBOL(snd_ac97_write);
285
286 /**
287 * snd_ac97_read - read a value from the given register
288 *
289 * @ac97: the ac97 instance
290 * @reg: the register to read
291 *
292 * Reads a value from the given register. This will invoke the read
293 * callback directly after the register check.
294 *
295 * Return: The read value.
296 */
snd_ac97_read(struct snd_ac97 * ac97,unsigned short reg)297 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
298 {
299 if (!snd_ac97_valid_reg(ac97, reg))
300 return 0;
301 return ac97->bus->ops->read(ac97, reg);
302 }
303
304 /* read a register - return the cached value if already read */
snd_ac97_read_cache(struct snd_ac97 * ac97,unsigned short reg)305 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
306 {
307 if (! test_bit(reg, ac97->reg_accessed)) {
308 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
309 // set_bit(reg, ac97->reg_accessed);
310 }
311 return ac97->regs[reg];
312 }
313
314 EXPORT_SYMBOL(snd_ac97_read);
315
316 /**
317 * snd_ac97_write_cache - write a value on the given register and update the cache
318 * @ac97: the ac97 instance
319 * @reg: the register to change
320 * @value: the value to set
321 *
322 * Writes a value on the given register and updates the register
323 * cache. The cached values are used for the cached-read and the
324 * suspend/resume.
325 */
snd_ac97_write_cache(struct snd_ac97 * ac97,unsigned short reg,unsigned short value)326 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
327 {
328 if (!snd_ac97_valid_reg(ac97, reg))
329 return;
330 mutex_lock(&ac97->reg_mutex);
331 ac97->regs[reg] = value;
332 ac97->bus->ops->write(ac97, reg, value);
333 set_bit(reg, ac97->reg_accessed);
334 mutex_unlock(&ac97->reg_mutex);
335 }
336
337 EXPORT_SYMBOL(snd_ac97_write_cache);
338
339 /**
340 * snd_ac97_update - update the value on the given register
341 * @ac97: the ac97 instance
342 * @reg: the register to change
343 * @value: the value to set
344 *
345 * Compares the value with the register cache and updates the value
346 * only when the value is changed.
347 *
348 * Return: 1 if the value is changed, 0 if no change, or a negative
349 * code on failure.
350 */
snd_ac97_update(struct snd_ac97 * ac97,unsigned short reg,unsigned short value)351 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
352 {
353 int change;
354
355 if (!snd_ac97_valid_reg(ac97, reg))
356 return -EINVAL;
357 mutex_lock(&ac97->reg_mutex);
358 change = ac97->regs[reg] != value;
359 if (change) {
360 ac97->regs[reg] = value;
361 ac97->bus->ops->write(ac97, reg, value);
362 }
363 set_bit(reg, ac97->reg_accessed);
364 mutex_unlock(&ac97->reg_mutex);
365 return change;
366 }
367
368 EXPORT_SYMBOL(snd_ac97_update);
369
370 /**
371 * snd_ac97_update_bits - update the bits on the given register
372 * @ac97: the ac97 instance
373 * @reg: the register to change
374 * @mask: the bit-mask to change
375 * @value: the value to set
376 *
377 * Updates the masked-bits on the given register only when the value
378 * is changed.
379 *
380 * Return: 1 if the bits are changed, 0 if no change, or a negative
381 * code on failure.
382 */
snd_ac97_update_bits(struct snd_ac97 * ac97,unsigned short reg,unsigned short mask,unsigned short value)383 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
384 {
385 int change;
386
387 if (!snd_ac97_valid_reg(ac97, reg))
388 return -EINVAL;
389 mutex_lock(&ac97->reg_mutex);
390 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
391 mutex_unlock(&ac97->reg_mutex);
392 return change;
393 }
394
395 EXPORT_SYMBOL(snd_ac97_update_bits);
396
397 /* no lock version - see snd_ac97_update_bits() */
snd_ac97_update_bits_nolock(struct snd_ac97 * ac97,unsigned short reg,unsigned short mask,unsigned short value)398 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
399 unsigned short mask, unsigned short value)
400 {
401 int change;
402 unsigned short old, new;
403
404 old = snd_ac97_read_cache(ac97, reg);
405 new = (old & ~mask) | (value & mask);
406 change = old != new;
407 if (change) {
408 ac97->regs[reg] = new;
409 ac97->bus->ops->write(ac97, reg, new);
410 }
411 set_bit(reg, ac97->reg_accessed);
412 return change;
413 }
414
snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 * ac97,int codec,unsigned short mask,unsigned short value)415 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
416 {
417 int change;
418 unsigned short old, new, cfg;
419
420 mutex_lock(&ac97->page_mutex);
421 old = ac97->spec.ad18xx.pcmreg[codec];
422 new = (old & ~mask) | (value & mask);
423 change = old != new;
424 if (change) {
425 mutex_lock(&ac97->reg_mutex);
426 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
427 ac97->spec.ad18xx.pcmreg[codec] = new;
428 /* select single codec */
429 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
430 (cfg & ~0x7000) |
431 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
432 /* update PCM bits */
433 ac97->bus->ops->write(ac97, AC97_PCM, new);
434 /* select all codecs */
435 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
436 cfg | 0x7000);
437 mutex_unlock(&ac97->reg_mutex);
438 }
439 mutex_unlock(&ac97->page_mutex);
440 return change;
441 }
442
443 /*
444 * Controls
445 */
446
snd_ac97_info_enum_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)447 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
448 struct snd_ctl_elem_info *uinfo)
449 {
450 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
451
452 return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2,
453 e->mask, e->texts);
454 }
455
snd_ac97_get_enum_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)456 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
457 struct snd_ctl_elem_value *ucontrol)
458 {
459 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
460 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
461 unsigned short val, bitmask;
462
463 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
464 ;
465 val = snd_ac97_read_cache(ac97, e->reg);
466 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
467 if (e->shift_l != e->shift_r)
468 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
469
470 return 0;
471 }
472
snd_ac97_put_enum_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)473 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
474 struct snd_ctl_elem_value *ucontrol)
475 {
476 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
477 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
478 unsigned short val;
479 unsigned short mask, bitmask;
480
481 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
482 ;
483 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
484 return -EINVAL;
485 val = ucontrol->value.enumerated.item[0] << e->shift_l;
486 mask = (bitmask - 1) << e->shift_l;
487 if (e->shift_l != e->shift_r) {
488 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
489 return -EINVAL;
490 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
491 mask |= (bitmask - 1) << e->shift_r;
492 }
493 return snd_ac97_update_bits(ac97, e->reg, mask, val);
494 }
495
496 /* save/restore ac97 v2.3 paging */
snd_ac97_page_save(struct snd_ac97 * ac97,int reg,struct snd_kcontrol * kcontrol)497 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
498 {
499 int page_save = -1;
500 if ((kcontrol->private_value & (1<<25)) &&
501 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
502 (reg >= 0x60 && reg < 0x70)) {
503 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
504 mutex_lock(&ac97->page_mutex); /* lock paging */
505 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
506 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
507 }
508 return page_save;
509 }
510
snd_ac97_page_restore(struct snd_ac97 * ac97,int page_save)511 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
512 {
513 if (page_save >= 0) {
514 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
515 mutex_unlock(&ac97->page_mutex); /* unlock paging */
516 }
517 }
518
519 /* volume and switch controls */
snd_ac97_info_volsw(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)520 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
521 struct snd_ctl_elem_info *uinfo)
522 {
523 int mask = (kcontrol->private_value >> 16) & 0xff;
524 int shift = (kcontrol->private_value >> 8) & 0x0f;
525 int rshift = (kcontrol->private_value >> 12) & 0x0f;
526
527 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
528 uinfo->count = shift == rshift ? 1 : 2;
529 uinfo->value.integer.min = 0;
530 uinfo->value.integer.max = mask;
531 return 0;
532 }
533
snd_ac97_get_volsw(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)534 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
535 struct snd_ctl_elem_value *ucontrol)
536 {
537 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
538 int reg = kcontrol->private_value & 0xff;
539 int shift = (kcontrol->private_value >> 8) & 0x0f;
540 int rshift = (kcontrol->private_value >> 12) & 0x0f;
541 int mask = (kcontrol->private_value >> 16) & 0xff;
542 int invert = (kcontrol->private_value >> 24) & 0x01;
543 int page_save;
544
545 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
546 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
547 if (shift != rshift)
548 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
549 if (invert) {
550 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
551 if (shift != rshift)
552 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
553 }
554 snd_ac97_page_restore(ac97, page_save);
555 return 0;
556 }
557
snd_ac97_put_volsw(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)558 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
559 struct snd_ctl_elem_value *ucontrol)
560 {
561 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
562 int reg = kcontrol->private_value & 0xff;
563 int shift = (kcontrol->private_value >> 8) & 0x0f;
564 int rshift = (kcontrol->private_value >> 12) & 0x0f;
565 int mask = (kcontrol->private_value >> 16) & 0xff;
566 int invert = (kcontrol->private_value >> 24) & 0x01;
567 int err, page_save;
568 unsigned short val, val2, val_mask;
569
570 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
571 val = (ucontrol->value.integer.value[0] & mask);
572 if (invert)
573 val = mask - val;
574 val_mask = mask << shift;
575 val = val << shift;
576 if (shift != rshift) {
577 val2 = (ucontrol->value.integer.value[1] & mask);
578 if (invert)
579 val2 = mask - val2;
580 val_mask |= mask << rshift;
581 val |= val2 << rshift;
582 }
583 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
584 snd_ac97_page_restore(ac97, page_save);
585 #ifdef CONFIG_SND_AC97_POWER_SAVE
586 /* check analog mixer power-down */
587 if ((val_mask & AC97_PD_EAPD) &&
588 (kcontrol->private_value & (1<<30))) {
589 if (val & AC97_PD_EAPD)
590 ac97->power_up &= ~(1 << (reg>>1));
591 else
592 ac97->power_up |= 1 << (reg>>1);
593 update_power_regs(ac97);
594 }
595 #endif
596 return err;
597 }
598
599 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
600 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
601 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
602 };
603
604 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
605 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
606 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1)
607 };
608
609 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
610 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
611
612
613 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
614 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
615 static const char* std_mix[] = {"Mix", "Mic"};
616 static const char* std_mic[] = {"Mic1", "Mic2"};
617
618 static const struct ac97_enum std_enum[] = {
619 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
620 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
621 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
622 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
623 };
624
625 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
626 AC97_ENUM("Capture Source", std_enum[0]);
627
628 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
629 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
630
631 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
632 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
633 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
634 };
635
636 enum {
637 AC97_GENERAL_PCM_OUT = 0,
638 AC97_GENERAL_STEREO_ENHANCEMENT,
639 AC97_GENERAL_3D,
640 AC97_GENERAL_LOUDNESS,
641 AC97_GENERAL_MONO,
642 AC97_GENERAL_MIC,
643 AC97_GENERAL_LOOPBACK
644 };
645
646 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
647 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
648 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
649 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
650 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
651 AC97_ENUM("Mono Output Select", std_enum[2]),
652 AC97_ENUM("Mic Select", std_enum[3]),
653 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
654 };
655
656 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
657 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
658 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
659 };
660
661 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
662 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
663 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
664 };
665
666 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
667 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
668 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
669 };
670
671 static const struct snd_kcontrol_new snd_ac97_control_eapd =
672 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
673
674 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
675 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
676 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
677 };
678
679 /* change the existing EAPD control as inverted */
set_inv_eapd(struct snd_ac97 * ac97,struct snd_kcontrol * kctl)680 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
681 {
682 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
683 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
684 ac97->scaps |= AC97_SCAP_INV_EAPD;
685 }
686
snd_ac97_spdif_mask_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)687 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
688 {
689 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
690 uinfo->count = 1;
691 return 0;
692 }
693
snd_ac97_spdif_cmask_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)694 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
695 {
696 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
697 IEC958_AES0_NONAUDIO |
698 IEC958_AES0_CON_EMPHASIS_5015 |
699 IEC958_AES0_CON_NOT_COPYRIGHT;
700 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
701 IEC958_AES1_CON_ORIGINAL;
702 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
703 return 0;
704 }
705
snd_ac97_spdif_pmask_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)706 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
707 {
708 /* FIXME: AC'97 spec doesn't say which bits are used for what */
709 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
710 IEC958_AES0_NONAUDIO |
711 IEC958_AES0_PRO_FS |
712 IEC958_AES0_PRO_EMPHASIS_5015;
713 return 0;
714 }
715
snd_ac97_spdif_default_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)716 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
717 {
718 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
719
720 mutex_lock(&ac97->reg_mutex);
721 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
722 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
723 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
724 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
725 mutex_unlock(&ac97->reg_mutex);
726 return 0;
727 }
728
snd_ac97_spdif_default_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)729 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
730 {
731 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
732 unsigned int new = 0;
733 unsigned short val = 0;
734 int change;
735
736 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
737 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
738 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
739 switch (new & IEC958_AES0_PRO_FS) {
740 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
741 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
742 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
743 default: val |= 1<<12; break;
744 }
745 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
746 val |= 1<<3;
747 } else {
748 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
749 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
750 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
751 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
752 val |= 1<<3;
753 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
754 val |= 1<<2;
755 val |= ((new >> 8) & 0xff) << 4; // category + original
756 switch ((new >> 24) & 0xff) {
757 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
758 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
759 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
760 default: val |= 1<<12; break;
761 }
762 }
763
764 mutex_lock(&ac97->reg_mutex);
765 change = ac97->spdif_status != new;
766 ac97->spdif_status = new;
767
768 if (ac97->flags & AC97_CS_SPDIF) {
769 int x = (val >> 12) & 0x03;
770 switch (x) {
771 case 0: x = 1; break; // 44.1
772 case 2: x = 0; break; // 48.0
773 default: x = 0; break; // illegal.
774 }
775 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
776 } else if (ac97->flags & AC97_CX_SPDIF) {
777 int v;
778 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
779 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
780 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
781 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
782 v);
783 } else if (ac97->id == AC97_ID_YMF743) {
784 change |= snd_ac97_update_bits_nolock(ac97,
785 AC97_YMF7X3_DIT_CTRL,
786 0xff38,
787 ((val << 4) & 0xff00) |
788 ((val << 2) & 0x0038));
789 } else {
790 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
791 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
792
793 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
794 if (extst & AC97_EA_SPDIF) {
795 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
796 }
797 }
798 mutex_unlock(&ac97->reg_mutex);
799
800 return change;
801 }
802
snd_ac97_put_spsa(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)803 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
804 {
805 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
806 int reg = kcontrol->private_value & 0xff;
807 int shift = (kcontrol->private_value >> 8) & 0x0f;
808 int mask = (kcontrol->private_value >> 16) & 0xff;
809 // int invert = (kcontrol->private_value >> 24) & 0xff;
810 unsigned short value, old, new;
811 int change;
812
813 value = (ucontrol->value.integer.value[0] & mask);
814
815 mutex_lock(&ac97->reg_mutex);
816 mask <<= shift;
817 value <<= shift;
818 old = snd_ac97_read_cache(ac97, reg);
819 new = (old & ~mask) | value;
820 change = old != new;
821
822 if (change) {
823 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
824 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
825 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
826 if (extst & AC97_EA_SPDIF)
827 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
828 }
829 mutex_unlock(&ac97->reg_mutex);
830 return change;
831 }
832
833 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
834 {
835 .access = SNDRV_CTL_ELEM_ACCESS_READ,
836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
838 .info = snd_ac97_spdif_mask_info,
839 .get = snd_ac97_spdif_cmask_get,
840 },
841 {
842 .access = SNDRV_CTL_ELEM_ACCESS_READ,
843 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
844 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
845 .info = snd_ac97_spdif_mask_info,
846 .get = snd_ac97_spdif_pmask_get,
847 },
848 {
849 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
850 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
851 .info = snd_ac97_spdif_mask_info,
852 .get = snd_ac97_spdif_default_get,
853 .put = snd_ac97_spdif_default_put,
854 },
855
856 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
857 {
858 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
859 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
860 .info = snd_ac97_info_volsw,
861 .get = snd_ac97_get_volsw,
862 .put = snd_ac97_put_spsa,
863 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
864 },
865 };
866
867 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
868 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
869 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
870 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
871
snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)872 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
873 {
874 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
875 int mask = (kcontrol->private_value >> 16) & 0x0f;
876 int lshift = (kcontrol->private_value >> 8) & 0x0f;
877 int rshift = (kcontrol->private_value >> 12) & 0x0f;
878
879 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
880 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
881 uinfo->count = 2;
882 else
883 uinfo->count = 1;
884 uinfo->value.integer.min = 0;
885 uinfo->value.integer.max = mask;
886 return 0;
887 }
888
snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)889 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
890 {
891 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
892 int codec = kcontrol->private_value & 3;
893 int lshift = (kcontrol->private_value >> 8) & 0x0f;
894 int rshift = (kcontrol->private_value >> 12) & 0x0f;
895 int mask = (kcontrol->private_value >> 16) & 0xff;
896
897 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
899 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
900 return 0;
901 }
902
snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)903 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
904 {
905 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
906 int codec = kcontrol->private_value & 3;
907 int lshift = (kcontrol->private_value >> 8) & 0x0f;
908 int rshift = (kcontrol->private_value >> 12) & 0x0f;
909 int mask = (kcontrol->private_value >> 16) & 0xff;
910 unsigned short val, valmask;
911
912 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
913 valmask = mask << lshift;
914 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
915 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
916 valmask |= mask << rshift;
917 }
918 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
919 }
920
921 #define AD18XX_PCM_VOLUME(xname, codec) \
922 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
923 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
924 .private_value = codec }
925
snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)926 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
927 {
928 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
929 uinfo->count = 2;
930 uinfo->value.integer.min = 0;
931 uinfo->value.integer.max = 31;
932 return 0;
933 }
934
snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)935 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
936 {
937 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
938 int codec = kcontrol->private_value & 3;
939
940 mutex_lock(&ac97->page_mutex);
941 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
942 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
943 mutex_unlock(&ac97->page_mutex);
944 return 0;
945 }
946
snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)947 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
948 {
949 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
950 int codec = kcontrol->private_value & 3;
951 unsigned short val1, val2;
952
953 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
954 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
955 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
956 }
957
958 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
959 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
960 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
961 };
962
963 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
964 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
965 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
966 };
967
968 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
969 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
970 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
971 };
972
973 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
974 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
975 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
976 };
977
978 /*
979 *
980 */
981
982 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
983
snd_ac97_bus_free(struct snd_ac97_bus * bus)984 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
985 {
986 if (bus) {
987 snd_ac97_bus_proc_done(bus);
988 kfree(bus->pcms);
989 if (bus->private_free)
990 bus->private_free(bus);
991 kfree(bus);
992 }
993 return 0;
994 }
995
snd_ac97_bus_dev_free(struct snd_device * device)996 static int snd_ac97_bus_dev_free(struct snd_device *device)
997 {
998 struct snd_ac97_bus *bus = device->device_data;
999 return snd_ac97_bus_free(bus);
1000 }
1001
snd_ac97_free(struct snd_ac97 * ac97)1002 static int snd_ac97_free(struct snd_ac97 *ac97)
1003 {
1004 if (ac97) {
1005 #ifdef CONFIG_SND_AC97_POWER_SAVE
1006 cancel_delayed_work_sync(&ac97->power_work);
1007 #endif
1008 snd_ac97_proc_done(ac97);
1009 if (ac97->bus)
1010 ac97->bus->codec[ac97->num] = NULL;
1011 if (ac97->private_free)
1012 ac97->private_free(ac97);
1013 kfree(ac97);
1014 }
1015 return 0;
1016 }
1017
snd_ac97_dev_free(struct snd_device * device)1018 static int snd_ac97_dev_free(struct snd_device *device)
1019 {
1020 struct snd_ac97 *ac97 = device->device_data;
1021 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1022 return snd_ac97_free(ac97);
1023 }
1024
snd_ac97_try_volume_mix(struct snd_ac97 * ac97,int reg)1025 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1026 {
1027 unsigned short val, mask = AC97_MUTE_MASK_MONO;
1028
1029 if (! snd_ac97_valid_reg(ac97, reg))
1030 return 0;
1031
1032 switch (reg) {
1033 case AC97_MASTER_TONE:
1034 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0;
1035 case AC97_HEADPHONE:
1036 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0;
1037 case AC97_REC_GAIN_MIC:
1038 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0;
1039 case AC97_3D_CONTROL:
1040 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) {
1041 val = snd_ac97_read(ac97, reg);
1042 /* if nonzero - fixed and we can't set it */
1043 return val == 0;
1044 }
1045 return 0;
1046 case AC97_CENTER_LFE_MASTER: /* center */
1047 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1048 return 0;
1049 break;
1050 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1051 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1052 return 0;
1053 reg = AC97_CENTER_LFE_MASTER;
1054 mask = 0x0080;
1055 break;
1056 case AC97_SURROUND_MASTER:
1057 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1058 return 0;
1059 break;
1060 }
1061
1062 val = snd_ac97_read(ac97, reg);
1063 if (!(val & mask)) {
1064 /* nothing seems to be here - mute flag is not set */
1065 /* try another test */
1066 snd_ac97_write_cache(ac97, reg, val | mask);
1067 val = snd_ac97_read(ac97, reg);
1068 val = snd_ac97_read(ac97, reg);
1069 if (!(val & mask))
1070 return 0; /* nothing here */
1071 }
1072 return 1; /* success, useable */
1073 }
1074
check_volume_resolution(struct snd_ac97 * ac97,int reg,unsigned char * lo_max,unsigned char * hi_max)1075 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1076 {
1077 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1078 unsigned char max[3] = { 63, 31, 15 };
1079 int i;
1080
1081 /* first look up the static resolution table */
1082 if (ac97->res_table) {
1083 const struct snd_ac97_res_table *tbl;
1084 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1085 if (tbl->reg == reg) {
1086 *lo_max = tbl->bits & 0xff;
1087 *hi_max = (tbl->bits >> 8) & 0xff;
1088 return;
1089 }
1090 }
1091 }
1092
1093 *lo_max = *hi_max = 0;
1094 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1095 unsigned short val;
1096 snd_ac97_write(
1097 ac97, reg,
1098 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8)
1099 );
1100 /* Do the read twice due to buffers on some ac97 codecs.
1101 * e.g. The STAC9704 returns exactly what you wrote to the register
1102 * if you read it immediately. This causes the detect routine to fail.
1103 */
1104 val = snd_ac97_read(ac97, reg);
1105 val = snd_ac97_read(ac97, reg);
1106 if (! *lo_max && (val & 0x7f) == cbit[i])
1107 *lo_max = max[i];
1108 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1109 *hi_max = max[i];
1110 if (*lo_max && *hi_max)
1111 break;
1112 }
1113 }
1114
snd_ac97_try_bit(struct snd_ac97 * ac97,int reg,int bit)1115 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1116 {
1117 unsigned short mask, val, orig, res;
1118
1119 mask = 1 << bit;
1120 orig = snd_ac97_read(ac97, reg);
1121 val = orig ^ mask;
1122 snd_ac97_write(ac97, reg, val);
1123 res = snd_ac97_read(ac97, reg);
1124 snd_ac97_write_cache(ac97, reg, orig);
1125 return res == val;
1126 }
1127
1128 /* check the volume resolution of center/lfe */
snd_ac97_change_volume_params2(struct snd_ac97 * ac97,int reg,int shift,unsigned char * max)1129 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1130 {
1131 unsigned short val, val1;
1132
1133 *max = 63;
1134 val = AC97_MUTE_MASK_STEREO | (0x20 << shift);
1135 snd_ac97_write(ac97, reg, val);
1136 val1 = snd_ac97_read(ac97, reg);
1137 if (val != val1) {
1138 *max = 31;
1139 }
1140 /* reset volume to zero */
1141 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO);
1142 }
1143
printable(unsigned int x)1144 static inline int printable(unsigned int x)
1145 {
1146 x &= 0xff;
1147 if (x < ' ' || x >= 0x71) {
1148 if (x <= 0x89)
1149 return x - 0x71 + 'A';
1150 return '?';
1151 }
1152 return x;
1153 }
1154
snd_ac97_cnew(const struct snd_kcontrol_new * _template,struct snd_ac97 * ac97)1155 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
1156 struct snd_ac97 * ac97)
1157 {
1158 struct snd_kcontrol_new template;
1159 memcpy(&template, _template, sizeof(template));
1160 template.index = ac97->num;
1161 return snd_ctl_new1(&template, ac97);
1162 }
1163
1164 /*
1165 * create mute switch(es) for normal stereo controls
1166 */
snd_ac97_cmute_new_stereo(struct snd_card * card,char * name,int reg,int check_stereo,int check_amix,struct snd_ac97 * ac97)1167 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1168 int check_stereo, int check_amix,
1169 struct snd_ac97 *ac97)
1170 {
1171 struct snd_kcontrol *kctl;
1172 int err;
1173 unsigned short val, val1, mute_mask;
1174
1175 if (! snd_ac97_valid_reg(ac97, reg))
1176 return 0;
1177
1178 mute_mask = AC97_MUTE_MASK_MONO;
1179 val = snd_ac97_read(ac97, reg);
1180 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1181 /* check whether both mute bits work */
1182 val1 = val | AC97_MUTE_MASK_STEREO;
1183 snd_ac97_write(ac97, reg, val1);
1184 if (val1 == snd_ac97_read(ac97, reg))
1185 mute_mask = AC97_MUTE_MASK_STEREO;
1186 }
1187 if (mute_mask == AC97_MUTE_MASK_STEREO) {
1188 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1189 if (check_amix)
1190 tmp.private_value |= (1 << 30);
1191 tmp.index = ac97->num;
1192 kctl = snd_ctl_new1(&tmp, ac97);
1193 } else {
1194 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1195 if (check_amix)
1196 tmp.private_value |= (1 << 30);
1197 tmp.index = ac97->num;
1198 kctl = snd_ctl_new1(&tmp, ac97);
1199 }
1200 err = snd_ctl_add(card, kctl);
1201 if (err < 0)
1202 return err;
1203 /* mute as default */
1204 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1205 return 0;
1206 }
1207
1208 /*
1209 * set dB information
1210 */
1211 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1212 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1213 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1214 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1215 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1216
find_db_scale(unsigned int maxval)1217 static const unsigned int *find_db_scale(unsigned int maxval)
1218 {
1219 switch (maxval) {
1220 case 0x0f: return db_scale_4bit;
1221 case 0x1f: return db_scale_5bit;
1222 case 0x3f: return db_scale_6bit;
1223 }
1224 return NULL;
1225 }
1226
set_tlv_db_scale(struct snd_kcontrol * kctl,const unsigned int * tlv)1227 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1228 {
1229 kctl->tlv.p = tlv;
1230 if (tlv)
1231 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1232 }
1233
1234 /*
1235 * create a volume for normal stereo/mono controls
1236 */
snd_ac97_cvol_new(struct snd_card * card,char * name,int reg,unsigned int lo_max,unsigned int hi_max,struct snd_ac97 * ac97)1237 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1238 unsigned int hi_max, struct snd_ac97 *ac97)
1239 {
1240 int err;
1241 struct snd_kcontrol *kctl;
1242
1243 if (! snd_ac97_valid_reg(ac97, reg))
1244 return 0;
1245 if (hi_max) {
1246 /* invert */
1247 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1248 tmp.index = ac97->num;
1249 kctl = snd_ctl_new1(&tmp, ac97);
1250 } else {
1251 /* invert */
1252 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1253 tmp.index = ac97->num;
1254 kctl = snd_ctl_new1(&tmp, ac97);
1255 }
1256 if (!kctl)
1257 return -ENOMEM;
1258 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1259 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1260 else
1261 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1262 err = snd_ctl_add(card, kctl);
1263 if (err < 0)
1264 return err;
1265 snd_ac97_write_cache(
1266 ac97, reg,
1267 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO)
1268 | lo_max | (hi_max << 8)
1269 );
1270 return 0;
1271 }
1272
1273 /*
1274 * create a mute-switch and a volume for normal stereo/mono controls
1275 */
snd_ac97_cmix_new_stereo(struct snd_card * card,const char * pfx,int reg,int check_stereo,int check_amix,struct snd_ac97 * ac97)1276 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1277 int reg, int check_stereo, int check_amix,
1278 struct snd_ac97 *ac97)
1279 {
1280 int err;
1281 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
1282 unsigned char lo_max, hi_max;
1283
1284 if (! snd_ac97_valid_reg(ac97, reg))
1285 return 0;
1286
1287 if (snd_ac97_try_bit(ac97, reg, 15)) {
1288 sprintf(name, "%s Switch", pfx);
1289 err = snd_ac97_cmute_new_stereo(card, name, reg,
1290 check_stereo, check_amix,
1291 ac97);
1292 if (err < 0)
1293 return err;
1294 }
1295 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1296 if (lo_max) {
1297 sprintf(name, "%s Volume", pfx);
1298 err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97);
1299 if (err < 0)
1300 return err;
1301 }
1302 return 0;
1303 }
1304
1305 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1306 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1307 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1308 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1309
1310 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1311
snd_ac97_mixer_build(struct snd_ac97 * ac97)1312 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1313 {
1314 struct snd_card *card = ac97->bus->card;
1315 struct snd_kcontrol *kctl;
1316 int err;
1317 unsigned int idx;
1318 unsigned char max;
1319
1320 /* build master controls */
1321 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1322 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1323 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1324 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1325 AC97_MASTER, 0, ac97);
1326 else
1327 err = snd_ac97_cmix_new(card, "Master Playback",
1328 AC97_MASTER, 0, ac97);
1329 if (err < 0)
1330 return err;
1331 }
1332
1333 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO;
1334
1335 /* build center controls */
1336 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1337 && !(ac97->flags & AC97_AD_MULTI)) {
1338 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97));
1339 if (err < 0)
1340 return err;
1341 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97));
1342 if (err < 0)
1343 return err;
1344 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1345 kctl->private_value &= ~(0xff << 16);
1346 kctl->private_value |= (int)max << 16;
1347 set_tlv_db_scale(kctl, find_db_scale(max));
1348 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1349 }
1350
1351 /* build LFE controls */
1352 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1353 && !(ac97->flags & AC97_AD_MULTI)) {
1354 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97));
1355 if (err < 0)
1356 return err;
1357 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97));
1358 if (err < 0)
1359 return err;
1360 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1361 kctl->private_value &= ~(0xff << 16);
1362 kctl->private_value |= (int)max << 16;
1363 set_tlv_db_scale(kctl, find_db_scale(max));
1364 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1365 }
1366
1367 /* build surround controls */
1368 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1369 && !(ac97->flags & AC97_AD_MULTI)) {
1370 /* Surround Master (0x38) is with stereo mutes */
1371 err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1372 AC97_SURROUND_MASTER, 1, 0,
1373 ac97);
1374 if (err < 0)
1375 return err;
1376 }
1377
1378 /* build headphone controls */
1379 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1380 err = snd_ac97_cmix_new(card, "Headphone Playback",
1381 AC97_HEADPHONE, 0, ac97);
1382 if (err < 0)
1383 return err;
1384 }
1385
1386 /* build master mono controls */
1387 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1388 err = snd_ac97_cmix_new(card, "Master Mono Playback",
1389 AC97_MASTER_MONO, 0, ac97);
1390 if (err < 0)
1391 return err;
1392 }
1393
1394 /* build master tone controls */
1395 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1396 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1397 for (idx = 0; idx < 2; idx++) {
1398 kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97);
1399 err = snd_ctl_add(card, kctl);
1400 if (err < 0)
1401 return err;
1402 if (ac97->id == AC97_ID_YMF743 ||
1403 ac97->id == AC97_ID_YMF753) {
1404 kctl->private_value &= ~(0xff << 16);
1405 kctl->private_value |= 7 << 16;
1406 }
1407 }
1408 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1409 }
1410 }
1411
1412 /* build Beep controls */
1413 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1414 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1415 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1416 for (idx = 0; idx < 2; idx++) {
1417 kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97);
1418 err = snd_ctl_add(card, kctl);
1419 if (err < 0)
1420 return err;
1421 }
1422 set_tlv_db_scale(kctl, db_scale_4bit);
1423 snd_ac97_write_cache(
1424 ac97,
1425 AC97_PC_BEEP,
1426 (snd_ac97_read(ac97, AC97_PC_BEEP)
1427 | AC97_MUTE_MASK_MONO | 0x001e)
1428 );
1429 }
1430
1431 /* build Phone controls */
1432 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1433 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1434 err = snd_ac97_cmix_new(card, "Phone Playback",
1435 AC97_PHONE, 1, ac97);
1436 if (err < 0)
1437 return err;
1438 }
1439 }
1440
1441 /* build MIC controls */
1442 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1443 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1444 err = snd_ac97_cmix_new(card, "Mic Playback",
1445 AC97_MIC, 1, ac97);
1446 if (err < 0)
1447 return err;
1448 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97));
1449 if (err < 0)
1450 return err;
1451 }
1452 }
1453
1454 /* build Line controls */
1455 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1456 err = snd_ac97_cmix_new(card, "Line Playback",
1457 AC97_LINE, 1, ac97);
1458 if (err < 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 err = snd_ac97_cmix_new(card, "CD Playback",
1466 AC97_CD, 1, ac97);
1467 if (err < 0)
1468 return err;
1469 }
1470 }
1471
1472 /* build Video controls */
1473 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1474 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1475 err = snd_ac97_cmix_new(card, "Video Playback",
1476 AC97_VIDEO, 1, ac97);
1477 if (err < 0)
1478 return err;
1479 }
1480 }
1481
1482 /* build Aux controls */
1483 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1484 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1485 err = snd_ac97_cmix_new(card, "Aux Playback",
1486 AC97_AUX, 1, ac97);
1487 if (err < 0)
1488 return err;
1489 }
1490 }
1491
1492 /* build PCM controls */
1493 if (ac97->flags & AC97_AD_MULTI) {
1494 unsigned short init_val;
1495 if (ac97->flags & AC97_STEREO_MUTES)
1496 init_val = 0x9f9f;
1497 else
1498 init_val = 0x9f1f;
1499 for (idx = 0; idx < 2; idx++) {
1500 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97);
1501 err = snd_ctl_add(card, kctl);
1502 if (err < 0)
1503 return err;
1504 }
1505 set_tlv_db_scale(kctl, db_scale_5bit);
1506 ac97->spec.ad18xx.pcmreg[0] = init_val;
1507 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1508 for (idx = 0; idx < 2; idx++) {
1509 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97);
1510 err = snd_ctl_add(card, kctl);
1511 if (err < 0)
1512 return err;
1513 }
1514 set_tlv_db_scale(kctl, db_scale_5bit);
1515 ac97->spec.ad18xx.pcmreg[1] = init_val;
1516 }
1517 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1518 for (idx = 0; idx < 2; idx++) {
1519 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97);
1520 err = snd_ctl_add(card, kctl);
1521 if (err < 0)
1522 return err;
1523 }
1524 set_tlv_db_scale(kctl, db_scale_5bit);
1525 for (idx = 0; idx < 2; idx++) {
1526 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97);
1527 err = snd_ctl_add(card, kctl);
1528 if (err < 0)
1529 return err;
1530 }
1531 set_tlv_db_scale(kctl, db_scale_5bit);
1532 ac97->spec.ad18xx.pcmreg[2] = init_val;
1533 }
1534 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1535 } else {
1536 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1537 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1538 err = snd_ac97_cmute_new(card,
1539 "PCM Playback Switch",
1540 AC97_PCM, 0, ac97);
1541 else
1542 err = snd_ac97_cmix_new(card, "PCM Playback",
1543 AC97_PCM, 0, ac97);
1544 if (err < 0)
1545 return err;
1546 }
1547 }
1548
1549 /* build Capture controls */
1550 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1551 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97));
1552 if (err < 0)
1553 return err;
1554 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1555 err = snd_ac97_cmute_new(card, "Capture Switch",
1556 AC97_REC_GAIN, 0, ac97);
1557 if (err < 0)
1558 return err;
1559 }
1560 kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97);
1561 err = snd_ctl_add(card, kctl);
1562 if (err < 0)
1563 return err;
1564 set_tlv_db_scale(kctl, db_scale_rec_gain);
1565 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1566 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1567 }
1568 /* build MIC Capture controls */
1569 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1570 for (idx = 0; idx < 2; idx++) {
1571 kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97);
1572 err = snd_ctl_add(card, kctl);
1573 if (err < 0)
1574 return err;
1575 }
1576 set_tlv_db_scale(kctl, db_scale_rec_gain);
1577 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1578 }
1579
1580 /* build PCM out path & mute control */
1581 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1582 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97));
1583 if (err < 0)
1584 return err;
1585 }
1586
1587 /* build Simulated Stereo Enhancement control */
1588 if (ac97->caps & AC97_BC_SIM_STEREO) {
1589 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97));
1590 if (err < 0)
1591 return err;
1592 }
1593
1594 /* build 3D Stereo Enhancement control */
1595 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1596 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97));
1597 if (err < 0)
1598 return err;
1599 }
1600
1601 /* build Loudness control */
1602 if (ac97->caps & AC97_BC_LOUDNESS) {
1603 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97));
1604 if (err < 0)
1605 return err;
1606 }
1607
1608 /* build Mono output select control */
1609 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1610 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97));
1611 if (err < 0)
1612 return err;
1613 }
1614
1615 /* build Mic select control */
1616 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1617 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97));
1618 if (err < 0)
1619 return err;
1620 }
1621
1622 /* build ADC/DAC loopback control */
1623 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1624 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97));
1625 if (err < 0)
1626 return err;
1627 }
1628
1629 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1630
1631 /* build 3D controls */
1632 if (ac97->build_ops->build_3d) {
1633 ac97->build_ops->build_3d(ac97);
1634 } else {
1635 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1636 unsigned short val;
1637 val = 0x0707;
1638 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1639 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1640 val = val == 0x0606;
1641 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97);
1642 err = snd_ctl_add(card, kctl);
1643 if (err < 0)
1644 return err;
1645 if (val)
1646 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1647 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97);
1648 err = snd_ctl_add(card, kctl);
1649 if (err < 0)
1650 return err;
1651 if (val)
1652 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1653 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1654 }
1655 }
1656
1657 /* build S/PDIF controls */
1658
1659 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1660 if (ac97->subsystem_vendor == 0x1043 &&
1661 ac97->subsystem_device == 0x810f)
1662 ac97->ext_id |= AC97_EI_SPDIF;
1663
1664 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1665 if (ac97->build_ops->build_spdif) {
1666 err = ac97->build_ops->build_spdif(ac97);
1667 if (err < 0)
1668 return err;
1669 } else {
1670 for (idx = 0; idx < 5; idx++) {
1671 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97));
1672 if (err < 0)
1673 return err;
1674 }
1675 if (ac97->build_ops->build_post_spdif) {
1676 err = ac97->build_ops->build_post_spdif(ac97);
1677 if (err < 0)
1678 return err;
1679 }
1680 /* set default PCM S/PDIF params */
1681 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1682 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1683 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1684 }
1685 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1686 }
1687
1688 /* build chip specific controls */
1689 if (ac97->build_ops->build_specific) {
1690 err = ac97->build_ops->build_specific(ac97);
1691 if (err < 0)
1692 return err;
1693 }
1694
1695 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1696 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1697 if (! kctl)
1698 return -ENOMEM;
1699 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1700 set_inv_eapd(ac97, kctl);
1701 err = snd_ctl_add(card, kctl);
1702 if (err < 0)
1703 return err;
1704 }
1705
1706 return 0;
1707 }
1708
snd_ac97_modem_build(struct snd_card * card,struct snd_ac97 * ac97)1709 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1710 {
1711 int err, idx;
1712
1713 /*
1714 ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n",
1715 snd_ac97_read(ac97,AC97_GPIO_CFG));
1716 */
1717 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1718 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1719 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1720 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1721 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1722
1723 /* build modem switches */
1724 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) {
1725 err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97));
1726 if (err < 0)
1727 return err;
1728 }
1729
1730 /* build chip specific controls */
1731 if (ac97->build_ops->build_specific) {
1732 err = ac97->build_ops->build_specific(ac97);
1733 if (err < 0)
1734 return err;
1735 }
1736
1737 return 0;
1738 }
1739
snd_ac97_test_rate(struct snd_ac97 * ac97,int reg,int shadow_reg,int rate)1740 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1741 {
1742 unsigned short val;
1743 unsigned int tmp;
1744
1745 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1746 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1747 if (shadow_reg)
1748 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1749 val = snd_ac97_read(ac97, reg);
1750 return val == (tmp & 0xffff);
1751 }
1752
snd_ac97_determine_rates(struct snd_ac97 * ac97,int reg,int shadow_reg,unsigned int * r_result)1753 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1754 {
1755 unsigned int result = 0;
1756 unsigned short saved;
1757
1758 if (ac97->bus->no_vra) {
1759 *r_result = SNDRV_PCM_RATE_48000;
1760 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1761 reg == AC97_PCM_FRONT_DAC_RATE)
1762 *r_result |= SNDRV_PCM_RATE_96000;
1763 return;
1764 }
1765
1766 saved = snd_ac97_read(ac97, reg);
1767 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1768 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1769 AC97_EA_DRA, 0);
1770 /* test a non-standard rate */
1771 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1772 result |= SNDRV_PCM_RATE_CONTINUOUS;
1773 /* let's try to obtain standard rates */
1774 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1775 result |= SNDRV_PCM_RATE_8000;
1776 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1777 result |= SNDRV_PCM_RATE_11025;
1778 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1779 result |= SNDRV_PCM_RATE_16000;
1780 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1781 result |= SNDRV_PCM_RATE_22050;
1782 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1783 result |= SNDRV_PCM_RATE_32000;
1784 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1785 result |= SNDRV_PCM_RATE_44100;
1786 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1787 result |= SNDRV_PCM_RATE_48000;
1788 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1789 reg == AC97_PCM_FRONT_DAC_RATE) {
1790 /* test standard double rates */
1791 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1792 AC97_EA_DRA, AC97_EA_DRA);
1793 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1794 result |= SNDRV_PCM_RATE_64000;
1795 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1796 result |= SNDRV_PCM_RATE_88200;
1797 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1798 result |= SNDRV_PCM_RATE_96000;
1799 /* some codecs don't support variable double rates */
1800 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1801 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1802 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1803 AC97_EA_DRA, 0);
1804 }
1805 /* restore the default value */
1806 snd_ac97_write_cache(ac97, reg, saved);
1807 if (shadow_reg)
1808 snd_ac97_write_cache(ac97, shadow_reg, saved);
1809 *r_result = result;
1810 }
1811
1812 /* check AC97_SPDIF register to accept which sample rates */
snd_ac97_determine_spdif_rates(struct snd_ac97 * ac97)1813 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1814 {
1815 unsigned int result = 0;
1816 int i;
1817 static const unsigned short ctl_bits[] = {
1818 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1819 };
1820 static const unsigned int rate_bits[] = {
1821 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1822 };
1823
1824 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1825 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1826 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1827 result |= rate_bits[i];
1828 }
1829 return result;
1830 }
1831
1832 /* look for the codec id table matching with the given id */
look_for_codec_id(const struct ac97_codec_id * table,unsigned int id)1833 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1834 unsigned int id)
1835 {
1836 const struct ac97_codec_id *pid;
1837
1838 for (pid = table; pid->id; pid++)
1839 if (pid->id == (id & pid->mask))
1840 return pid;
1841 return NULL;
1842 }
1843
snd_ac97_get_name(struct snd_ac97 * ac97,unsigned int id,char * name,int modem)1844 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1845 {
1846 const struct ac97_codec_id *pid;
1847
1848 sprintf(name, "0x%x %c%c%c", id,
1849 printable(id >> 24),
1850 printable(id >> 16),
1851 printable(id >> 8));
1852 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1853 if (! pid)
1854 return;
1855
1856 strcpy(name, pid->name);
1857 if (ac97 && pid->patch) {
1858 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1859 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1860 pid->patch(ac97);
1861 }
1862
1863 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1864 if (pid) {
1865 strcat(name, " ");
1866 strcat(name, pid->name);
1867 if (pid->mask != 0xffffffff)
1868 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1869 if (ac97 && pid->patch) {
1870 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1871 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1872 pid->patch(ac97);
1873 }
1874 } else
1875 sprintf(name + strlen(name), " id %x", id & 0xff);
1876 }
1877
1878 /**
1879 * snd_ac97_get_short_name - retrieve codec name
1880 * @ac97: the codec instance
1881 *
1882 * Return: The short identifying name of the codec.
1883 */
snd_ac97_get_short_name(struct snd_ac97 * ac97)1884 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1885 {
1886 const struct ac97_codec_id *pid;
1887
1888 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1889 if (pid->id == (ac97->id & pid->mask))
1890 return pid->name;
1891 return "unknown codec";
1892 }
1893
1894 EXPORT_SYMBOL(snd_ac97_get_short_name);
1895
1896 /* wait for a while until registers are accessible after RESET
1897 * return 0 if ok, negative not ready
1898 */
ac97_reset_wait(struct snd_ac97 * ac97,int timeout,int with_modem)1899 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1900 {
1901 unsigned long end_time;
1902 unsigned short val;
1903
1904 end_time = jiffies + timeout;
1905 do {
1906
1907 /* use preliminary reads to settle the communication */
1908 snd_ac97_read(ac97, AC97_RESET);
1909 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1910 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1911 /* modem? */
1912 if (with_modem) {
1913 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1914 if (val != 0xffff && (val & 1) != 0)
1915 return 0;
1916 }
1917 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1918 /* probably only Xbox issue - all registers are read as zero */
1919 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1920 if (val != 0 && val != 0xffff)
1921 return 0;
1922 } else {
1923 /* because the PCM or MASTER volume registers can be modified,
1924 * the REC_GAIN register is used for tests
1925 */
1926 /* test if we can write to the record gain volume register */
1927 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1928 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1929 return 0;
1930 }
1931 schedule_timeout_uninterruptible(1);
1932 } while (time_after_eq(end_time, jiffies));
1933 return -ENODEV;
1934 }
1935
1936 /**
1937 * snd_ac97_bus - create an AC97 bus component
1938 * @card: the card instance
1939 * @num: the bus number
1940 * @ops: the bus callbacks table
1941 * @private_data: private data pointer for the new instance
1942 * @rbus: the pointer to store the new AC97 bus instance.
1943 *
1944 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1945 * allocated and initialized.
1946 *
1947 * The ops table must include valid callbacks (at least read and
1948 * write). The other callbacks, wait and reset, are not mandatory.
1949 *
1950 * The clock is set to 48000. If another clock is needed, set
1951 * ``(*rbus)->clock`` manually.
1952 *
1953 * The AC97 bus instance is registered as a low-level device, so you don't
1954 * have to release it manually.
1955 *
1956 * Return: Zero if successful, or a negative error code on failure.
1957 */
snd_ac97_bus(struct snd_card * card,int num,const struct snd_ac97_bus_ops * ops,void * private_data,struct snd_ac97_bus ** rbus)1958 int snd_ac97_bus(struct snd_card *card, int num,
1959 const struct snd_ac97_bus_ops *ops,
1960 void *private_data, struct snd_ac97_bus **rbus)
1961 {
1962 int err;
1963 struct snd_ac97_bus *bus;
1964 static const struct snd_device_ops dev_ops = {
1965 .dev_free = snd_ac97_bus_dev_free,
1966 };
1967
1968 if (snd_BUG_ON(!card))
1969 return -EINVAL;
1970 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1971 if (bus == NULL)
1972 return -ENOMEM;
1973 bus->card = card;
1974 bus->num = num;
1975 bus->ops = ops;
1976 bus->private_data = private_data;
1977 bus->clock = 48000;
1978 spin_lock_init(&bus->bus_lock);
1979 snd_ac97_bus_proc_init(bus);
1980 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
1981 if (err < 0) {
1982 snd_ac97_bus_free(bus);
1983 return err;
1984 }
1985 if (rbus)
1986 *rbus = bus;
1987 return 0;
1988 }
1989
1990 EXPORT_SYMBOL(snd_ac97_bus);
1991
1992 /* stop no dev release warning */
ac97_device_release(struct device * dev)1993 static void ac97_device_release(struct device * dev)
1994 {
1995 }
1996
1997 /* register ac97 codec to bus */
snd_ac97_dev_register(struct snd_device * device)1998 static int snd_ac97_dev_register(struct snd_device *device)
1999 {
2000 struct snd_ac97 *ac97 = device->device_data;
2001 int err;
2002
2003 ac97->dev.bus = &ac97_bus_type;
2004 ac97->dev.parent = ac97->bus->card->dev;
2005 ac97->dev.release = ac97_device_release;
2006 dev_set_name(&ac97->dev, "%d-%d:%s",
2007 ac97->bus->card->number, ac97->num,
2008 snd_ac97_get_short_name(ac97));
2009 err = device_register(&ac97->dev);
2010 if (err < 0) {
2011 ac97_err(ac97, "Can't register ac97 bus\n");
2012 put_device(&ac97->dev);
2013 ac97->dev.bus = NULL;
2014 return err;
2015 }
2016 return 0;
2017 }
2018
2019 /* disconnect ac97 codec */
snd_ac97_dev_disconnect(struct snd_device * device)2020 static int snd_ac97_dev_disconnect(struct snd_device *device)
2021 {
2022 struct snd_ac97 *ac97 = device->device_data;
2023 if (ac97->dev.bus)
2024 device_unregister(&ac97->dev);
2025 return 0;
2026 }
2027
2028 /* build_ops to do nothing */
2029 static const struct snd_ac97_build_ops null_build_ops;
2030
2031 #ifdef CONFIG_SND_AC97_POWER_SAVE
do_update_power(struct work_struct * work)2032 static void do_update_power(struct work_struct *work)
2033 {
2034 update_power_regs(
2035 container_of(work, struct snd_ac97, power_work.work));
2036 }
2037 #endif
2038
2039 /**
2040 * snd_ac97_mixer - create an Codec97 component
2041 * @bus: the AC97 bus which codec is attached to
2042 * @template: the template of ac97, including index, callbacks and
2043 * the private data.
2044 * @rac97: the pointer to store the new ac97 instance.
2045 *
2046 * Creates an Codec97 component. An struct snd_ac97 instance is newly
2047 * allocated and initialized from the template. The codec
2048 * is then initialized by the standard procedure.
2049 *
2050 * The template must include the codec number (num) and address (addr),
2051 * and the private data (private_data).
2052 *
2053 * The ac97 instance is registered as a low-level device, so you don't
2054 * have to release it manually.
2055 *
2056 * Return: Zero if successful, or a negative error code on failure.
2057 */
snd_ac97_mixer(struct snd_ac97_bus * bus,struct snd_ac97_template * template,struct snd_ac97 ** rac97)2058 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
2059 {
2060 int err;
2061 struct snd_ac97 *ac97;
2062 struct snd_card *card;
2063 char name[64];
2064 unsigned long end_time;
2065 unsigned int reg;
2066 const struct ac97_codec_id *pid;
2067 static const struct snd_device_ops ops = {
2068 .dev_free = snd_ac97_dev_free,
2069 .dev_register = snd_ac97_dev_register,
2070 .dev_disconnect = snd_ac97_dev_disconnect,
2071 };
2072
2073 if (rac97)
2074 *rac97 = NULL;
2075 if (snd_BUG_ON(!bus || !template))
2076 return -EINVAL;
2077 if (snd_BUG_ON(template->num >= 4))
2078 return -EINVAL;
2079 if (bus->codec[template->num])
2080 return -EBUSY;
2081
2082 card = bus->card;
2083 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
2084 if (ac97 == NULL)
2085 return -ENOMEM;
2086 ac97->private_data = template->private_data;
2087 ac97->private_free = template->private_free;
2088 ac97->bus = bus;
2089 ac97->pci = template->pci;
2090 ac97->num = template->num;
2091 ac97->addr = template->addr;
2092 ac97->scaps = template->scaps;
2093 ac97->res_table = template->res_table;
2094 bus->codec[ac97->num] = ac97;
2095 mutex_init(&ac97->reg_mutex);
2096 mutex_init(&ac97->page_mutex);
2097 #ifdef CONFIG_SND_AC97_POWER_SAVE
2098 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
2099 #endif
2100
2101 #ifdef CONFIG_PCI
2102 if (ac97->pci) {
2103 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2104 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2105 }
2106 #endif
2107 if (bus->ops->reset) {
2108 bus->ops->reset(ac97);
2109 goto __access_ok;
2110 }
2111
2112 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2113 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2114 if (ac97->id && ac97->id != (unsigned int)-1) {
2115 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2116 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2117 goto __access_ok;
2118 }
2119
2120 /* reset to defaults */
2121 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2122 snd_ac97_write(ac97, AC97_RESET, 0);
2123 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2124 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2125 if (bus->ops->wait)
2126 bus->ops->wait(ac97);
2127 else {
2128 udelay(50);
2129 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2130 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);
2131 else {
2132 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);
2133 if (err < 0)
2134 err = ac97_reset_wait(ac97,
2135 msecs_to_jiffies(500), 1);
2136 }
2137 if (err < 0) {
2138 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n",
2139 ac97->num);
2140 /* proceed anyway - it's often non-critical */
2141 }
2142 }
2143 __access_ok:
2144 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2145 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2146 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2147 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2148 ac97_err(ac97,
2149 "AC'97 %d access is not valid [0x%x], removing mixer.\n",
2150 ac97->num, ac97->id);
2151 snd_ac97_free(ac97);
2152 return -EIO;
2153 }
2154 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2155 if (pid)
2156 ac97->flags |= pid->flags;
2157
2158 /* test for AC'97 */
2159 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2160 /* test if we can write to the record gain volume register */
2161 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2162 err = snd_ac97_read(ac97, AC97_REC_GAIN);
2163 if ((err & 0x7fff) == 0x0a06)
2164 ac97->scaps |= AC97_SCAP_AUDIO;
2165 }
2166 if (ac97->scaps & AC97_SCAP_AUDIO) {
2167 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2168 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2169 if (ac97->ext_id == 0xffff) /* invalid combination */
2170 ac97->ext_id = 0;
2171 }
2172
2173 /* test for MC'97 */
2174 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2175 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2176 if (ac97->ext_mid == 0xffff) /* invalid combination */
2177 ac97->ext_mid = 0;
2178 if (ac97->ext_mid & 1)
2179 ac97->scaps |= AC97_SCAP_MODEM;
2180 }
2181
2182 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2183 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2184 ac97_err(ac97,
2185 "AC'97 %d access error (not audio or modem codec)\n",
2186 ac97->num);
2187 snd_ac97_free(ac97);
2188 return -EACCES;
2189 }
2190
2191 if (bus->ops->reset) // FIXME: always skipping?
2192 goto __ready_ok;
2193
2194 /* FIXME: add powerdown control */
2195 if (ac97_is_audio(ac97)) {
2196 /* nothing should be in powerdown mode */
2197 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2198 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2199 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2200 udelay(100);
2201 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2202 }
2203 /* nothing should be in powerdown mode */
2204 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
2205 end_time = jiffies + msecs_to_jiffies(5000);
2206 do {
2207 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2208 goto __ready_ok;
2209 schedule_timeout_uninterruptible(1);
2210 } while (time_after_eq(end_time, jiffies));
2211 ac97_warn(ac97,
2212 "AC'97 %d analog subsections not ready\n", ac97->num);
2213 }
2214
2215 /* FIXME: add powerdown control */
2216 if (ac97_is_modem(ac97)) {
2217 unsigned char tmp;
2218
2219 /* nothing should be in powerdown mode */
2220 /* note: it's important to set the rate at first */
2221 tmp = AC97_MEA_GPIO;
2222 if (ac97->ext_mid & AC97_MEI_LINE1) {
2223 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
2224 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2225 }
2226 if (ac97->ext_mid & AC97_MEI_LINE2) {
2227 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
2228 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2229 }
2230 if (ac97->ext_mid & AC97_MEI_HANDSET) {
2231 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
2232 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2233 }
2234 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2235 udelay(100);
2236 /* nothing should be in powerdown mode */
2237 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
2238 end_time = jiffies + msecs_to_jiffies(100);
2239 do {
2240 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2241 goto __ready_ok;
2242 schedule_timeout_uninterruptible(1);
2243 } while (time_after_eq(end_time, jiffies));
2244 ac97_warn(ac97,
2245 "MC'97 %d converters and GPIO not ready (0x%x)\n",
2246 ac97->num,
2247 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2248 }
2249
2250 __ready_ok:
2251 if (ac97_is_audio(ac97))
2252 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2253 else
2254 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2255 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2256 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2257 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2258 if (! bus->no_vra)
2259 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2260 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2261 }
2262 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2263 /* Intel controllers require double rate data to be put in
2264 * slots 7+8, so let's hope the codec supports it. */
2265 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2266 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2267 ac97->flags |= AC97_DOUBLE_RATE;
2268 /* restore to slots 10/11 to avoid the confliction with surrounds */
2269 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2270 }
2271 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2272 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2273 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2274 } else {
2275 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2276 if (ac97->flags & AC97_DOUBLE_RATE)
2277 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2278 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2279 }
2280 if (ac97->ext_id & AC97_EI_SPDIF) {
2281 /* codec specific code (patch) should override these values */
2282 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2283 }
2284 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2285 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2286 } else {
2287 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2288 }
2289 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2290 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2291 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2292 }
2293 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2294 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2295 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2296 }
2297 /* additional initializations */
2298 if (bus->ops->init)
2299 bus->ops->init(ac97);
2300 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2301 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2302 if (! ac97->build_ops)
2303 ac97->build_ops = &null_build_ops;
2304
2305 if (ac97_is_audio(ac97)) {
2306 char comp[16];
2307 if (card->mixername[0] == '\0') {
2308 strcpy(card->mixername, name);
2309 } else {
2310 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2311 strcat(card->mixername, ",");
2312 strcat(card->mixername, name);
2313 }
2314 }
2315 sprintf(comp, "AC97a:%08x", ac97->id);
2316 err = snd_component_add(card, comp);
2317 if (err < 0) {
2318 snd_ac97_free(ac97);
2319 return err;
2320 }
2321 if (snd_ac97_mixer_build(ac97) < 0) {
2322 snd_ac97_free(ac97);
2323 return -ENOMEM;
2324 }
2325 }
2326 if (ac97_is_modem(ac97)) {
2327 char comp[16];
2328 if (card->mixername[0] == '\0') {
2329 strcpy(card->mixername, name);
2330 } else {
2331 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2332 strcat(card->mixername, ",");
2333 strcat(card->mixername, name);
2334 }
2335 }
2336 sprintf(comp, "AC97m:%08x", ac97->id);
2337 err = snd_component_add(card, comp);
2338 if (err < 0) {
2339 snd_ac97_free(ac97);
2340 return err;
2341 }
2342 if (snd_ac97_modem_build(card, ac97) < 0) {
2343 snd_ac97_free(ac97);
2344 return -ENOMEM;
2345 }
2346 }
2347 if (ac97_is_audio(ac97))
2348 update_power_regs(ac97);
2349 snd_ac97_proc_init(ac97);
2350 err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops);
2351 if (err < 0) {
2352 snd_ac97_free(ac97);
2353 return err;
2354 }
2355 *rac97 = ac97;
2356 return 0;
2357 }
2358
2359 EXPORT_SYMBOL(snd_ac97_mixer);
2360
2361 /*
2362 * Power down the chip.
2363 *
2364 * MASTER and HEADPHONE registers are muted but the register cache values
2365 * are not changed, so that the values can be restored in snd_ac97_resume().
2366 */
snd_ac97_powerdown(struct snd_ac97 * ac97)2367 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2368 {
2369 unsigned short power;
2370
2371 if (ac97_is_audio(ac97)) {
2372 /* some codecs have stereo mute bits */
2373 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2374 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2375 }
2376
2377 /* surround, CLFE, mic powerdown */
2378 power = ac97->regs[AC97_EXTENDED_STATUS];
2379 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2380 power |= AC97_EA_PRJ;
2381 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2382 power |= AC97_EA_PRI | AC97_EA_PRK;
2383 power |= AC97_EA_PRL;
2384 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2385
2386 /* powerdown external amplifier */
2387 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2388 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2389 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2390 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2391 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2392 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
2393 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2394 udelay(100);
2395 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */
2396 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2397 if (ac97_is_power_save_mode(ac97)) {
2398 power |= AC97_PD_PR3; /* Analog Mixer powerdown */
2399 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2400 udelay(100);
2401 /* AC-link powerdown, internal Clk disable */
2402 /* FIXME: this may cause click noises on some boards */
2403 power |= AC97_PD_PR4 | AC97_PD_PR5;
2404 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2405 }
2406 }
2407
2408
2409 struct ac97_power_reg {
2410 unsigned short reg;
2411 unsigned short power_reg;
2412 unsigned short mask;
2413 };
2414
2415 enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2416
2417 static const struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2418 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2419 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2420 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2421 AC97_EA_PRI | AC97_EA_PRK},
2422 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2423 AC97_EA_PRJ},
2424 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2425 AC97_EA_PRL},
2426 };
2427
2428 #ifdef CONFIG_SND_AC97_POWER_SAVE
2429 /**
2430 * snd_ac97_update_power - update the powerdown register
2431 * @ac97: the codec instance
2432 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2433 * @powerup: non-zero when power up the part
2434 *
2435 * Update the AC97 powerdown register bits of the given part.
2436 *
2437 * Return: Zero.
2438 */
snd_ac97_update_power(struct snd_ac97 * ac97,int reg,int powerup)2439 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2440 {
2441 int i;
2442
2443 if (! ac97)
2444 return 0;
2445
2446 if (reg) {
2447 /* SPDIF requires DAC power, too */
2448 if (reg == AC97_SPDIF)
2449 reg = AC97_PCM_FRONT_DAC_RATE;
2450 for (i = 0; i < PWIDX_SIZE; i++) {
2451 if (power_regs[i].reg == reg) {
2452 if (powerup)
2453 ac97->power_up |= (1 << i);
2454 else
2455 ac97->power_up &= ~(1 << i);
2456 break;
2457 }
2458 }
2459 }
2460
2461 if (ac97_is_power_save_mode(ac97) && !powerup)
2462 /* adjust power-down bits after two seconds delay
2463 * (for avoiding loud click noises for many (OSS) apps
2464 * that open/close frequently)
2465 */
2466 schedule_delayed_work(&ac97->power_work,
2467 msecs_to_jiffies(power_save * 1000));
2468 else {
2469 cancel_delayed_work(&ac97->power_work);
2470 update_power_regs(ac97);
2471 }
2472
2473 return 0;
2474 }
2475
2476 EXPORT_SYMBOL(snd_ac97_update_power);
2477 #endif /* CONFIG_SND_AC97_POWER_SAVE */
2478
update_power_regs(struct snd_ac97 * ac97)2479 static void update_power_regs(struct snd_ac97 *ac97)
2480 {
2481 unsigned int power_up, bits;
2482 int i;
2483
2484 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2485 power_up |= (1 << PWIDX_MIC);
2486 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2487 power_up |= (1 << PWIDX_SURR);
2488 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2489 power_up |= (1 << PWIDX_CLFE);
2490 #ifdef CONFIG_SND_AC97_POWER_SAVE
2491 if (ac97_is_power_save_mode(ac97))
2492 power_up = ac97->power_up;
2493 #endif
2494 if (power_up) {
2495 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2496 /* needs power-up analog mix and vref */
2497 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2498 AC97_PD_PR3, 0);
2499 msleep(1);
2500 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2501 AC97_PD_PR2, 0);
2502 }
2503 }
2504 for (i = 0; i < PWIDX_SIZE; i++) {
2505 if (power_up & (1 << i))
2506 bits = 0;
2507 else
2508 bits = power_regs[i].mask;
2509 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2510 power_regs[i].mask, bits);
2511 }
2512 if (! power_up) {
2513 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2514 /* power down analog mix and vref */
2515 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2516 AC97_PD_PR2, AC97_PD_PR2);
2517 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2518 AC97_PD_PR3, AC97_PD_PR3);
2519 }
2520 }
2521 }
2522
2523
2524 #ifdef CONFIG_PM
2525 /**
2526 * snd_ac97_suspend - General suspend function for AC97 codec
2527 * @ac97: the ac97 instance
2528 *
2529 * Suspends the codec, power down the chip.
2530 */
snd_ac97_suspend(struct snd_ac97 * ac97)2531 void snd_ac97_suspend(struct snd_ac97 *ac97)
2532 {
2533 if (! ac97)
2534 return;
2535 if (ac97->build_ops->suspend)
2536 ac97->build_ops->suspend(ac97);
2537 #ifdef CONFIG_SND_AC97_POWER_SAVE
2538 cancel_delayed_work_sync(&ac97->power_work);
2539 #endif
2540 snd_ac97_powerdown(ac97);
2541 }
2542
2543 EXPORT_SYMBOL(snd_ac97_suspend);
2544
2545 /*
2546 * restore ac97 status
2547 */
snd_ac97_restore_status(struct snd_ac97 * ac97)2548 static void snd_ac97_restore_status(struct snd_ac97 *ac97)
2549 {
2550 int i;
2551
2552 for (i = 2; i < 0x7c ; i += 2) {
2553 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2554 continue;
2555 /* restore only accessible registers
2556 * some chip (e.g. nm256) may hang up when unsupported registers
2557 * are accessed..!
2558 */
2559 if (test_bit(i, ac97->reg_accessed)) {
2560 snd_ac97_write(ac97, i, ac97->regs[i]);
2561 snd_ac97_read(ac97, i);
2562 }
2563 }
2564 }
2565
2566 /*
2567 * restore IEC958 status
2568 */
snd_ac97_restore_iec958(struct snd_ac97 * ac97)2569 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2570 {
2571 if (ac97->ext_id & AC97_EI_SPDIF) {
2572 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2573 /* reset spdif status */
2574 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2575 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2576 if (ac97->flags & AC97_CS_SPDIF)
2577 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2578 else
2579 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2580 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2581 }
2582 }
2583 }
2584
2585 /**
2586 * snd_ac97_resume - General resume function for AC97 codec
2587 * @ac97: the ac97 instance
2588 *
2589 * Do the standard resume procedure, power up and restoring the
2590 * old register values.
2591 */
snd_ac97_resume(struct snd_ac97 * ac97)2592 void snd_ac97_resume(struct snd_ac97 *ac97)
2593 {
2594 unsigned long end_time;
2595
2596 if (! ac97)
2597 return;
2598
2599 if (ac97->bus->ops->reset) {
2600 ac97->bus->ops->reset(ac97);
2601 goto __reset_ready;
2602 }
2603
2604 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2605 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2606 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2607 snd_ac97_write(ac97, AC97_RESET, 0);
2608 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2609 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
2610 udelay(100);
2611 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2612 }
2613 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2614
2615 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2616 if (ac97_is_audio(ac97)) {
2617 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2618 end_time = jiffies + msecs_to_jiffies(100);
2619 do {
2620 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2621 break;
2622 schedule_timeout_uninterruptible(1);
2623 } while (time_after_eq(end_time, jiffies));
2624 /* FIXME: extra delay */
2625 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO);
2626 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO)
2627 msleep(250);
2628 } else {
2629 end_time = jiffies + msecs_to_jiffies(100);
2630 do {
2631 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2632 if (val != 0xffff && (val & 1) != 0)
2633 break;
2634 schedule_timeout_uninterruptible(1);
2635 } while (time_after_eq(end_time, jiffies));
2636 }
2637 __reset_ready:
2638
2639 if (ac97->bus->ops->init)
2640 ac97->bus->ops->init(ac97);
2641
2642 if (ac97->build_ops->resume)
2643 ac97->build_ops->resume(ac97);
2644 else {
2645 snd_ac97_restore_status(ac97);
2646 snd_ac97_restore_iec958(ac97);
2647 }
2648 }
2649
2650 EXPORT_SYMBOL(snd_ac97_resume);
2651 #endif
2652
2653
2654 /*
2655 * Hardware tuning
2656 */
set_ctl_name(char * dst,const char * src,const char * suffix)2657 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2658 {
2659 const size_t msize = SNDRV_CTL_ELEM_ID_NAME_MAXLEN;
2660
2661 if (suffix) {
2662 if (snprintf(dst, msize, "%s %s", src, suffix) >= msize)
2663 pr_warn("ALSA: AC97 control name '%s %s' truncated to '%s'\n",
2664 src, suffix, dst);
2665 } else {
2666 if (strscpy(dst, src, msize) < 0)
2667 pr_warn("ALSA: AC97 control name '%s' truncated to '%s'\n",
2668 src, dst);
2669 }
2670 }
2671
2672 /* remove the control with the given name and optional suffix */
snd_ac97_remove_ctl(struct snd_ac97 * ac97,const char * name,const char * suffix)2673 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
2674 const char *suffix)
2675 {
2676 struct snd_ctl_elem_id id;
2677 memset(&id, 0, sizeof(id));
2678 set_ctl_name(id.name, name, suffix);
2679 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2680 return snd_ctl_remove_id(ac97->bus->card, &id);
2681 }
2682
ctl_find(struct snd_ac97 * ac97,const char * name,const char * suffix)2683 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2684 {
2685 struct snd_ctl_elem_id sid;
2686 memset(&sid, 0, sizeof(sid));
2687 set_ctl_name(sid.name, name, suffix);
2688 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2689 return snd_ctl_find_id(ac97->bus->card, &sid);
2690 }
2691
2692 /* rename the control with the given name and optional suffix */
snd_ac97_rename_ctl(struct snd_ac97 * ac97,const char * src,const char * dst,const char * suffix)2693 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
2694 const char *dst, const char *suffix)
2695 {
2696 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2697 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
2698
2699 if (kctl) {
2700 set_ctl_name(name, dst, suffix);
2701 snd_ctl_rename(ac97->bus->card, kctl, name);
2702 return 0;
2703 }
2704 return -ENOENT;
2705 }
2706
2707 /* rename both Volume and Switch controls - don't check the return value */
snd_ac97_rename_vol_ctl(struct snd_ac97 * ac97,const char * src,const char * dst)2708 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
2709 const char *dst)
2710 {
2711 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2712 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2713 }
2714
2715 /* swap controls */
snd_ac97_swap_ctl(struct snd_ac97 * ac97,const char * s1,const char * s2,const char * suffix)2716 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
2717 const char *s2, const char *suffix)
2718 {
2719 struct snd_kcontrol *kctl1, *kctl2;
2720 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
2721
2722 kctl1 = ctl_find(ac97, s1, suffix);
2723 kctl2 = ctl_find(ac97, s2, suffix);
2724 if (kctl1 && kctl2) {
2725 set_ctl_name(name, s2, suffix);
2726 snd_ctl_rename(ac97->bus->card, kctl1, name);
2727
2728 set_ctl_name(name, s1, suffix);
2729 snd_ctl_rename(ac97->bus->card, kctl2, name);
2730
2731 return 0;
2732 }
2733 return -ENOENT;
2734 }
2735
2736 #if 1
2737 /* bind hp and master controls instead of using only hp control */
bind_hp_volsw_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2738 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2739 {
2740 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2741 if (err > 0) {
2742 unsigned long priv_saved = kcontrol->private_value;
2743 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2744 snd_ac97_put_volsw(kcontrol, ucontrol);
2745 kcontrol->private_value = priv_saved;
2746 }
2747 return err;
2748 }
2749
2750 /* ac97 tune: bind Master and Headphone controls */
tune_hp_only(struct snd_ac97 * ac97)2751 static int tune_hp_only(struct snd_ac97 *ac97)
2752 {
2753 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2754 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2755 if (! msw || ! mvol)
2756 return -ENOENT;
2757 msw->put = bind_hp_volsw_put;
2758 mvol->put = bind_hp_volsw_put;
2759 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2760 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2761 return 0;
2762 }
2763
2764 #else
2765 /* ac97 tune: use Headphone control as master */
tune_hp_only(struct snd_ac97 * ac97)2766 static int tune_hp_only(struct snd_ac97 *ac97)
2767 {
2768 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2769 return -ENOENT;
2770 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2771 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2772 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2773 return 0;
2774 }
2775 #endif
2776
2777 /* ac97 tune: swap Headphone and Master controls */
tune_swap_hp(struct snd_ac97 * ac97)2778 static int tune_swap_hp(struct snd_ac97 *ac97)
2779 {
2780 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2781 return -ENOENT;
2782 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2783 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2784 return 0;
2785 }
2786
2787 /* ac97 tune: swap Surround and Master controls */
tune_swap_surround(struct snd_ac97 * ac97)2788 static int tune_swap_surround(struct snd_ac97 *ac97)
2789 {
2790 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2791 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2792 return -ENOENT;
2793 return 0;
2794 }
2795
2796 /* ac97 tune: set up mic sharing for AD codecs */
tune_ad_sharing(struct snd_ac97 * ac97)2797 static int tune_ad_sharing(struct snd_ac97 *ac97)
2798 {
2799 unsigned short scfg;
2800 if ((ac97->id & 0xffffff00) != 0x41445300) {
2801 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n");
2802 return -EINVAL;
2803 }
2804 /* Turn on OMS bit to route microphone to back panel */
2805 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2806 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2807 return 0;
2808 }
2809
2810 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2811 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2812
2813 /* ac97 tune: set up ALC jack-select */
tune_alc_jack(struct snd_ac97 * ac97)2814 static int tune_alc_jack(struct snd_ac97 *ac97)
2815 {
2816 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2817 ac97_err(ac97,
2818 "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2819 return -EINVAL;
2820 }
2821 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2822 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2823 if (ac97->id == AC97_ID_ALC658D)
2824 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2825 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2826 }
2827
2828 /* ac97 tune: inversed EAPD bit */
tune_inv_eapd(struct snd_ac97 * ac97)2829 static int tune_inv_eapd(struct snd_ac97 *ac97)
2830 {
2831 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2832 if (! kctl)
2833 return -ENOENT;
2834 set_inv_eapd(ac97, kctl);
2835 return 0;
2836 }
2837
master_mute_sw_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2838 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2839 {
2840 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2841 if (err > 0) {
2842 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2843 int shift = (kcontrol->private_value >> 8) & 0x0f;
2844 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2845 unsigned short mask;
2846 if (shift != rshift)
2847 mask = AC97_MUTE_MASK_STEREO;
2848 else
2849 mask = AC97_MUTE_MASK_MONO;
2850 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2851 (ac97->regs[AC97_MASTER] & mask) == mask ?
2852 AC97_PD_EAPD : 0);
2853 }
2854 return err;
2855 }
2856
2857 /* ac97 tune: EAPD controls mute LED bound with the master mute */
tune_mute_led(struct snd_ac97 * ac97)2858 static int tune_mute_led(struct snd_ac97 *ac97)
2859 {
2860 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2861 if (! msw)
2862 return -ENOENT;
2863 msw->put = master_mute_sw_put;
2864 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2865 snd_ac97_update_bits(
2866 ac97, AC97_POWERDOWN,
2867 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2868 );
2869 ac97->scaps |= AC97_SCAP_EAPD_LED;
2870 return 0;
2871 }
2872
hp_master_mute_sw_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2873 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2874 struct snd_ctl_elem_value *ucontrol)
2875 {
2876 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2877 if (err > 0) {
2878 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2879 int shift = (kcontrol->private_value >> 8) & 0x0f;
2880 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2881 unsigned short mask;
2882 if (shift != rshift)
2883 mask = AC97_MUTE_MASK_STEREO;
2884 else
2885 mask = AC97_MUTE_MASK_MONO;
2886 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2887 (ac97->regs[AC97_MASTER] & mask) == mask ?
2888 AC97_PD_EAPD : 0);
2889 }
2890 return err;
2891 }
2892
tune_hp_mute_led(struct snd_ac97 * ac97)2893 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2894 {
2895 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2896 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2897 if (! msw || ! mvol)
2898 return -ENOENT;
2899 msw->put = hp_master_mute_sw_put;
2900 mvol->put = bind_hp_volsw_put;
2901 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2902 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2903 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2904 snd_ac97_update_bits(
2905 ac97, AC97_POWERDOWN,
2906 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2907 );
2908 return 0;
2909 }
2910
2911 struct quirk_table {
2912 const char *name;
2913 int (*func)(struct snd_ac97 *);
2914 };
2915
2916 static const struct quirk_table applicable_quirks[] = {
2917 { "none", NULL },
2918 { "hp_only", tune_hp_only },
2919 { "swap_hp", tune_swap_hp },
2920 { "swap_surround", tune_swap_surround },
2921 { "ad_sharing", tune_ad_sharing },
2922 { "alc_jack", tune_alc_jack },
2923 { "inv_eapd", tune_inv_eapd },
2924 { "mute_led", tune_mute_led },
2925 { "hp_mute_led", tune_hp_mute_led },
2926 };
2927
2928 /* apply the quirk with the given type */
apply_quirk(struct snd_ac97 * ac97,int type)2929 static int apply_quirk(struct snd_ac97 *ac97, int type)
2930 {
2931 if (type <= 0)
2932 return 0;
2933 else if (type >= ARRAY_SIZE(applicable_quirks))
2934 return -EINVAL;
2935 if (applicable_quirks[type].func)
2936 return applicable_quirks[type].func(ac97);
2937 return 0;
2938 }
2939
2940 /* apply the quirk with the given name */
apply_quirk_str(struct snd_ac97 * ac97,const char * typestr)2941 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2942 {
2943 int i;
2944 const struct quirk_table *q;
2945
2946 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2947 q = &applicable_quirks[i];
2948 if (q->name && ! strcmp(typestr, q->name))
2949 return apply_quirk(ac97, i);
2950 }
2951 /* for compatibility, accept the numbers, too */
2952 if (*typestr >= '0' && *typestr <= '9')
2953 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2954 return -EINVAL;
2955 }
2956
2957 /**
2958 * snd_ac97_tune_hardware - tune up the hardware
2959 * @ac97: the ac97 instance
2960 * @quirk: quirk list
2961 * @override: explicit quirk value (overrides the list if non-NULL)
2962 *
2963 * Do some workaround for each pci device, such as renaming of the
2964 * headphone (true line-out) control as "Master".
2965 * The quirk-list must be terminated with a zero-filled entry.
2966 *
2967 * Return: Zero if successful, or a negative error code on failure.
2968 */
2969
snd_ac97_tune_hardware(struct snd_ac97 * ac97,const struct ac97_quirk * quirk,const char * override)2970 int snd_ac97_tune_hardware(struct snd_ac97 *ac97,
2971 const struct ac97_quirk *quirk, const char *override)
2972 {
2973 int result;
2974
2975 /* quirk overriden? */
2976 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2977 result = apply_quirk_str(ac97, override);
2978 if (result < 0)
2979 ac97_err(ac97, "applying quirk type %s failed (%d)\n",
2980 override, result);
2981 return result;
2982 }
2983
2984 if (! quirk)
2985 return -EINVAL;
2986
2987 for (; quirk->subvendor; quirk++) {
2988 if (quirk->subvendor != ac97->subsystem_vendor)
2989 continue;
2990 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2991 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2992 if (quirk->codec_id && quirk->codec_id != ac97->id)
2993 continue;
2994 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n",
2995 quirk->name, ac97->subsystem_vendor,
2996 ac97->subsystem_device);
2997 result = apply_quirk(ac97, quirk->type);
2998 if (result < 0)
2999 ac97_err(ac97,
3000 "applying quirk type %d for %s failed (%d)\n",
3001 quirk->type, quirk->name, result);
3002 return result;
3003 }
3004 }
3005 return 0;
3006 }
3007
3008 EXPORT_SYMBOL(snd_ac97_tune_hardware);
3009