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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / pci / ac97 / ac97_codec.c
CommitLineData
1da177e4 1/*
c1017a4c 2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
1da177e4
LT		 3 * Universal interface for Audio Codec '97
4 *
5 * For more details look to AC '97 component specification revision 2.2
6 * by Intel Corporation (http://developer.intel.com).
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
1da177e4
LT		 25#include <linux/delay.h>
26#include <linux/init.h>
27#include <linux/slab.h>
28#include <linux/pci.h>
65a77217 29#include <linux/module.h>
62932df8 30#include <linux/mutex.h>
1da177e4
LT		 31#include <sound/core.h>
32#include <sound/pcm.h>
2f3482fb 33#include <sound/tlv.h>
1da177e4
LT		 34#include <sound/ac97_codec.h>
35#include <sound/asoundef.h>
36#include <sound/initval.h>
1da177e4 37#include "ac97_id.h"
ac519028
TI		 38
39#include "ac97_patch.c"
1da177e4 40
c1017a4c 41MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4
LT		 42MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
43MODULE_LICENSE("GPL");
44
a67ff6a5 45static bool enable_loopback;
1da177e4
LT		 46
47module_param(enable_loopback, bool, 0444);
48MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
49
6dbe6628 50#ifdef CONFIG_SND_AC97_POWER_SAVE
7a5a27cf 51static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT;
38f58227
TI		 52module_param(power_save, int, 0644);
53MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
54 "(in second, 0 = disable).");
6dbe6628 55#endif
1da177e4
LT		 56/*
57
58 */
59
ee42381e 60struct ac97_codec_id {
1da177e4
LT		 61 unsigned int id;
62 unsigned int mask;
63 const char *name;
ee42381e
TI		 64 int (*patch)(struct snd_ac97 *ac97);
65 int (*mpatch)(struct snd_ac97 *ac97);
1da177e4 66 unsigned int flags;
ee42381e 67};
1da177e4 68
ee42381e 69static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
1da177e4 70{ 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
68c07238 71{ 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
1da177e4
LT		 72{ 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
73{ 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
6ba9256c
AM		 74/*
75 * This is an _inofficial_ Aztech Labs entry
76 * (value might differ from unknown official Aztech ID),
77 * currently used by the AC97 emulation of the almost-AC97 PCI168 card.
78 */
79{ 0x415a5400, 0xffffff00, "Aztech Labs (emulated)", NULL, NULL },
1da177e4
LT		 80{ 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
81{ 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
82{ 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
83{ 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
84{ 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
85{ 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
86{ 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
87{ 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
88{ 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
89{ 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
90{ 0x50534300, 0xffffff00, "Philips", NULL, NULL },
91{ 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
c68db717 92{ 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL },
1da177e4
LT		 93{ 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
94{ 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
95{ 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
96{ 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
97{ 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
98{ 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
99{ 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
100{ 0, 0, NULL, NULL, NULL }
101};
102
ee42381e 103static const struct ac97_codec_id snd_ac97_codec_ids[] = {
1da177e4
LT		 104{ 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
105{ 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
106{ 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
107{ 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
108{ 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
109{ 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
110{ 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
111{ 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
112{ 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
113{ 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
114{ 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
115{ 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
67e9f4b6 116{ 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL },
68c07238
RH		 117{ 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
118{ 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
119{ 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
120{ 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
121{ 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
1da177e4
LT		 122{ 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
123{ 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
124{ 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
125{ 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
126{ 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
127{ 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
1da177e4
LT		 128{ 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
129{ 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
130{ 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
68c07238 131{ 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
8f4f4ef6 132{ 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL },
68c07238
RH		 133{ 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
134{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
135{ 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
6ba9256c 136{ 0x415a5401, 0xffffffff, "AZF3328", patch_aztech_azf3328, NULL },
1da177e4
LT		 137{ 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
138{ 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
5f0dccf8 139{ 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
f8cb2c45
JCD		 140{ 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL },
141{ 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL },
142{ 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL },
1da177e4
LT		 143{ 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
144{ 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
145{ 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
146{ 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
147{ 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
148{ 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
149{ 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
150{ 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
151{ 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
152{ 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
153{ 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
90f349d9 154{ 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL },
9e292c00 155{ 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL },
1da177e4 156{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
9398441e 157{ 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
1da177e4
LT		 158{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
159{ 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
160{ 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
161{ 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
162{ 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
163{ 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
164{ 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
165{ 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
166{ 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
167{ 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
168{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
ba22429d 169{ 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
82466ad7 170{ 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
87d61c29 171{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
c68db717 172{ 0x53544d02, 0xffffffff, "ST7597", NULL, NULL },
1da177e4 173{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
f6127efb 174{ 0x54524103, 0xffffffff, "TR28023", NULL, NULL },
1da177e4
LT		 175{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
176{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
177{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
178{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
179{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
4b499486 180{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
9e285e1a 181{ 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL },
1da177e4 182{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
f6127efb 183{ 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL },
1da177e4
LT		 184{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
185{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
186{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
187{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
1966bbd6 188{ 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL},
1da177e4 189{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
43115f58 190{ 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL },
1da177e4
LT		 191{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
192{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
193{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
194{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
195{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
196{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
197{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
198{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
199{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
200{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
201{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
202{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
203{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
204{ 0, 0, NULL, NULL, NULL }
205};
206
1da177e4 207
6dbe6628 208static void update_power_regs(struct snd_ac97 *ac97);
f1a63a38
TI		 209#ifdef CONFIG_SND_AC97_POWER_SAVE
210#define ac97_is_power_save_mode(ac97) \
211 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
212#else
213#define ac97_is_power_save_mode(ac97) 0
214#endif
215
6dbe6628 216
1da177e4
LT		 217/*
218 * I/O routines
219 */
220
ee42381e 221static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
1da177e4 222{
1da177e4
LT		 223 /* filter some registers for buggy codecs */
224 switch (ac97->id) {
c68db717
KH		 225 case AC97_ID_ST_AC97_ID4:
226 if (reg == 0x08)
227 return 0;
228 /* fall through */
229 case AC97_ID_ST7597:
230 if (reg == 0x22 || reg == 0x7a)
231 return 1;
232 /* fall through */
1da177e4
LT		 233 case AC97_ID_AK4540:
234 case AC97_ID_AK4542:
235 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
236 return 1;
237 return 0;
238 case AC97_ID_AD1819: /* AD1819 */
239 case AC97_ID_AD1881: /* AD1881 */
240 case AC97_ID_AD1881A: /* AD1881A */
241 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
242 return 0;
243 return 1;
244 case AC97_ID_AD1885: /* AD1885 */
245 case AC97_ID_AD1886: /* AD1886 */
246 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
247 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
248 if (reg == 0x5a)
249 return 1;
250 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
251 return 0;
252 return 1;
253 case AC97_ID_STAC9700:
254 case AC97_ID_STAC9704:
255 case AC97_ID_STAC9705:
256 case AC97_ID_STAC9708:
257 case AC97_ID_STAC9721:
258 case AC97_ID_STAC9744:
259 case AC97_ID_STAC9756:
260 if (reg <= 0x3a || reg >= 0x5a)
261 return 1;
262 return 0;
263 }
264 return 1;
265}
266
267/**
268 * snd_ac97_write - write a value on the given register
269 * @ac97: the ac97 instance
270 * @reg: the register to change
271 * @value: the value to set
272 *
273 * Writes a value on the given register. This will invoke the write
274 * callback directly after the register check.
275 * This function doesn't change the register cache unlike
276 * #snd_ca97_write_cache(), so use this only when you don't want to
277 * reflect the change to the suspend/resume state.
278 */
ee42381e 279void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 280{
281 if (!snd_ac97_valid_reg(ac97, reg))
282 return;
283 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
284 /* Fix H/W bug of ALC100/100P */
285 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
286 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
287 }
288 ac97->bus->ops->write(ac97, reg, value);
289}
290
7b09679c
TI		 291EXPORT_SYMBOL(snd_ac97_write);
292
1da177e4
LT		 293/**
294 * snd_ac97_read - read a value from the given register
295 *
296 * @ac97: the ac97 instance
297 * @reg: the register to read
298 *
299 * Reads a value from the given register. This will invoke the read
300 * callback directly after the register check.
301 *
eb7c06e8 302 * Return: The read value.
1da177e4 303 */
ee42381e 304unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 305{
306 if (!snd_ac97_valid_reg(ac97, reg))
307 return 0;
308 return ac97->bus->ops->read(ac97, reg);
309}
310
311/* read a register - return the cached value if already read */
ee42381e 312static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 313{
314 if (! test_bit(reg, ac97->reg_accessed)) {
315 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
316 // set_bit(reg, ac97->reg_accessed);
317 }
318 return ac97->regs[reg];
319}
320
7b09679c
TI		 321EXPORT_SYMBOL(snd_ac97_read);
322
1da177e4
LT		 323/**
324 * snd_ac97_write_cache - write a value on the given register and update the cache
325 * @ac97: the ac97 instance
326 * @reg: the register to change
327 * @value: the value to set
328 *
329 * Writes a value on the given register and updates the register
330 * cache. The cached values are used for the cached-read and the
331 * suspend/resume.
332 */
ee42381e 333void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 334{
335 if (!snd_ac97_valid_reg(ac97, reg))
336 return;
62932df8 337 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 338 ac97->regs[reg] = value;
339 ac97->bus->ops->write(ac97, reg, value);
340 set_bit(reg, ac97->reg_accessed);
62932df8 341 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 342}
343
7b09679c
TI		 344EXPORT_SYMBOL(snd_ac97_write_cache);
345
1da177e4
LT		 346/**
347 * snd_ac97_update - update the value on the given register
348 * @ac97: the ac97 instance
349 * @reg: the register to change
350 * @value: the value to set
351 *
352 * Compares the value with the register cache and updates the value
353 * only when the value is changed.
354 *
eb7c06e8 355 * Return: 1 if the value is changed, 0 if no change, or a negative
1da177e4
LT		 356 * code on failure.
357 */
ee42381e 358int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 359{
360 int change;
361
362 if (!snd_ac97_valid_reg(ac97, reg))
363 return -EINVAL;
62932df8 364 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 365 change = ac97->regs[reg] != value;
366 if (change) {
367 ac97->regs[reg] = value;
368 ac97->bus->ops->write(ac97, reg, value);
369 }
52b72388 370 set_bit(reg, ac97->reg_accessed);
62932df8 371 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 372 return change;
373}
374
7b09679c
TI		 375EXPORT_SYMBOL(snd_ac97_update);
376
1da177e4
LT		 377/**
378 * snd_ac97_update_bits - update the bits on the given register
379 * @ac97: the ac97 instance
380 * @reg: the register to change
381 * @mask: the bit-mask to change
382 * @value: the value to set
383 *
384 * Updates the masked-bits on the given register only when the value
385 * is changed.
386 *
eb7c06e8 387 * Return: 1 if the bits are changed, 0 if no change, or a negative
1da177e4
LT		 388 * code on failure.
389 */
ee42381e 390int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
1da177e4
LT		 391{
392 int change;
393
394 if (!snd_ac97_valid_reg(ac97, reg))
395 return -EINVAL;
62932df8 396 mutex_lock(&ac97->reg_mutex);
1da177e4 397 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
62932df8 398 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 399 return change;
400}
401
7b09679c
TI		 402EXPORT_SYMBOL(snd_ac97_update_bits);
403
b833b5ec 404/* no lock version - see snd_ac97_update_bits() */
ee42381e 405int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
1da177e4
LT		 406 unsigned short mask, unsigned short value)
407{
408 int change;
409 unsigned short old, new;
410
411 old = snd_ac97_read_cache(ac97, reg);
e8bb036a 412 new = (old & ~mask) | (value & mask);
1da177e4
LT		 413 change = old != new;
414 if (change) {
415 ac97->regs[reg] = new;
416 ac97->bus->ops->write(ac97, reg, new);
417 }
52b72388 418 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 419 return change;
420}
421
ee42381e 422static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
1da177e4
LT		 423{
424 int change;
425 unsigned short old, new, cfg;
426
62932df8 427 mutex_lock(&ac97->page_mutex);
1da177e4 428 old = ac97->spec.ad18xx.pcmreg[codec];
e8bb036a 429 new = (old & ~mask) | (value & mask);
1da177e4
LT		 430 change = old != new;
431 if (change) {
62932df8 432 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 433 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
434 ac97->spec.ad18xx.pcmreg[codec] = new;
435 /* select single codec */
436 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
437 (cfg & ~0x7000) |
438 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
439 /* update PCM bits */
440 ac97->bus->ops->write(ac97, AC97_PCM, new);
441 /* select all codecs */
442 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
443 cfg | 0x7000);
62932df8 444 mutex_unlock(&ac97->reg_mutex);
1da177e4 445 }
62932df8 446 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 447 return change;
448}
449
450/*
451 * Controls
452 */
453
ac519028
TI		 454static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
455 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 456{
457 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
458
459 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
460 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
461 uinfo->value.enumerated.items = e->mask;
462
463 if (uinfo->value.enumerated.item > e->mask - 1)
464 uinfo->value.enumerated.item = e->mask - 1;
465 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
466 return 0;
467}
468
ac519028
TI		 469static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
470 struct snd_ctl_elem_value *ucontrol)
1da177e4 471{
ee42381e 472 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 473 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 474 unsigned short val, bitmask;
1da177e4 475
b16760bb 476 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 477 ;
1da177e4 478 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 479 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 480 if (e->shift_l != e->shift_r)
5f0dccf8 481 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 482
483 return 0;
484}
485
ac519028
TI		 486static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
487 struct snd_ctl_elem_value *ucontrol)
1da177e4 488{
ee42381e 489 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 490 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
491 unsigned short val;
5f0dccf8 492 unsigned short mask, bitmask;
1da177e4 493
b16760bb 494 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 495 ;
1da177e4
LT		 496 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
497 return -EINVAL;
498 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 499 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 500 if (e->shift_l != e->shift_r) {
501 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
502 return -EINVAL;
503 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 504 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 505 }
506 return snd_ac97_update_bits(ac97, e->reg, mask, val);
507}
508
509/* save/restore ac97 v2.3 paging */
ee42381e 510static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
1da177e4
LT		 511{
512 int page_save = -1;
513 if ((kcontrol->private_value & (1<<25)) &&
514 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
515 (reg >= 0x60 && reg < 0x70)) {
516 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
62932df8 517 mutex_lock(&ac97->page_mutex); /* lock paging */
1da177e4
LT		 518 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
519 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
520 }
521 return page_save;
522}
523
ee42381e 524static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
1da177e4
LT		 525{
526 if (page_save >= 0) {
527 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
62932df8 528 mutex_unlock(&ac97->page_mutex); /* unlock paging */
1da177e4
LT		 529 }
530}
531
532/* volume and switch controls */
ac519028
TI		 533static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
534 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 535{
536 int mask = (kcontrol->private_value >> 16) & 0xff;
537 int shift = (kcontrol->private_value >> 8) & 0x0f;
538 int rshift = (kcontrol->private_value >> 12) & 0x0f;
539
540 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
541 uinfo->count = shift == rshift ? 1 : 2;
542 uinfo->value.integer.min = 0;
543 uinfo->value.integer.max = mask;
544 return 0;
545}
546
ac519028
TI		 547static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
548 struct snd_ctl_elem_value *ucontrol)
1da177e4 549{
ee42381e 550 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 551 int reg = kcontrol->private_value & 0xff;
552 int shift = (kcontrol->private_value >> 8) & 0x0f;
553 int rshift = (kcontrol->private_value >> 12) & 0x0f;
554 int mask = (kcontrol->private_value >> 16) & 0xff;
555 int invert = (kcontrol->private_value >> 24) & 0x01;
556 int page_save;
557
558 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
559 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
560 if (shift != rshift)
561 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
562 if (invert) {
563 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
564 if (shift != rshift)
565 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
566 }
567 snd_ac97_page_restore(ac97, page_save);
568 return 0;
569}
570
ac519028
TI		 571static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
572 struct snd_ctl_elem_value *ucontrol)
1da177e4 573{
ee42381e 574 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 575 int reg = kcontrol->private_value & 0xff;
576 int shift = (kcontrol->private_value >> 8) & 0x0f;
577 int rshift = (kcontrol->private_value >> 12) & 0x0f;
578 int mask = (kcontrol->private_value >> 16) & 0xff;
579 int invert = (kcontrol->private_value >> 24) & 0x01;
580 int err, page_save;
581 unsigned short val, val2, val_mask;
582
583 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
584 val = (ucontrol->value.integer.value[0] & mask);
585 if (invert)
586 val = mask - val;
587 val_mask = mask << shift;
588 val = val << shift;
589 if (shift != rshift) {
590 val2 = (ucontrol->value.integer.value[1] & mask);
591 if (invert)
592 val2 = mask - val2;
593 val_mask |= mask << rshift;
594 val |= val2 << rshift;
595 }
596 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
597 snd_ac97_page_restore(ac97, page_save);
6dbe6628
TI		 598#ifdef CONFIG_SND_AC97_POWER_SAVE
599 /* check analog mixer power-down */
03c2d87a 600 if ((val_mask & AC97_PD_EAPD) &&
6dbe6628 601 (kcontrol->private_value & (1<<30))) {
03c2d87a 602 if (val & AC97_PD_EAPD)
6dbe6628
TI		 603 ac97->power_up &= ~(1 << (reg>>1));
604 else
605 ac97->power_up |= 1 << (reg>>1);
da43deb1 606 update_power_regs(ac97);
6dbe6628
TI		 607 }
608#endif
1da177e4
LT		 609 return err;
610}
611
ee42381e 612static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
1da177e4
LT		 613AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
614AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
615};
616
ee42381e 617static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
1da177e4
LT		 618AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
619AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
620};
621
ee42381e 622static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
d355c82a
JK		 623AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
624AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1)
1da177e4
LT		 625};
626
ee42381e 627static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
7931e2a9 628 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
1da177e4
LT		 629
630
631static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
632static const char* std_3d_path[] = {"pre 3D", "post 3D"};
633static const char* std_mix[] = {"Mix", "Mic"};
634static const char* std_mic[] = {"Mic1", "Mic2"};
635
636static const struct ac97_enum std_enum[] = {
637AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
638AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
639AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
640AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
641};
642
ee42381e 643static const struct snd_kcontrol_new snd_ac97_control_capture_src =
1da177e4
LT		 644AC97_ENUM("Capture Source", std_enum[0]);
645
ee42381e 646static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
1da177e4
LT		 647AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
648
ee42381e 649static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
1da177e4
LT		 650AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
651AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
652};
653
ee42381e 654enum {
1da177e4
LT		 655 AC97_GENERAL_PCM_OUT = 0,
656 AC97_GENERAL_STEREO_ENHANCEMENT,
657 AC97_GENERAL_3D,
658 AC97_GENERAL_LOUDNESS,
659 AC97_GENERAL_MONO,
660 AC97_GENERAL_MIC,
661 AC97_GENERAL_LOOPBACK
ee42381e 662};
1da177e4 663
ee42381e 664static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
1da177e4
LT		 665AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
666AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
667AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
668AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
669AC97_ENUM("Mono Output Select", std_enum[2]),
7931e2a9 670AC97_ENUM("Mic Select", std_enum[3]),
1da177e4
LT		 671AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
672};
673
ac519028 674static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
1da177e4
LT		 675AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
676AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
677};
678
ee42381e 679static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
1da177e4
LT		 680AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
681AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
682};
683
ee42381e 684static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
1da177e4
LT		 685AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
686AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
687};
688
ee42381e 689static const struct snd_kcontrol_new snd_ac97_control_eapd =
1da177e4
LT		 690AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
691
ee42381e 692static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
87d61c29
SK		 693AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
694AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
695};
696
1da177e4 697/* change the existing EAPD control as inverted */
ee42381e 698static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
1da177e4
LT		 699{
700 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
701 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
702 ac97->scaps |= AC97_SCAP_INV_EAPD;
703}
704
ee42381e 705static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 706{
707 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
708 uinfo->count = 1;
709 return 0;
710}
711
ee42381e 712static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 713{
714 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
715 IEC958_AES0_NONAUDIO |
716 IEC958_AES0_CON_EMPHASIS_5015 |
717 IEC958_AES0_CON_NOT_COPYRIGHT;
718 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
719 IEC958_AES1_CON_ORIGINAL;
720 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
721 return 0;
722}
723
ee42381e 724static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 725{
726 /* FIXME: AC'97 spec doesn't say which bits are used for what */
727 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
728 IEC958_AES0_NONAUDIO |
729 IEC958_AES0_PRO_FS |
730 IEC958_AES0_PRO_EMPHASIS_5015;
731 return 0;
732}
733
ee42381e 734static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 735{
ee42381e 736 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 737
62932df8 738 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 739 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
740 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
741 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
742 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
62932df8 743 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 744 return 0;
745}
746
ee42381e 747static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 748{
ee42381e 749 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 750 unsigned int new = 0;
751 unsigned short val = 0;
752 int change;
753
754 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
755 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
756 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
757 switch (new & IEC958_AES0_PRO_FS) {
758 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
759 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
760 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
761 default: val |= 1<<12; break;
762 }
763 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
764 val |= 1<<3;
765 } else {
766 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
767 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
768 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
769 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
770 val |= 1<<3;
771 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
772 val |= 1<<2;
773 val |= ((new >> 8) & 0xff) << 4; // category + original
774 switch ((new >> 24) & 0xff) {
775 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
776 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
777 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
778 default: val |= 1<<12; break;
779 }
780 }
781
62932df8 782 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 783 change = ac97->spdif_status != new;
784 ac97->spdif_status = new;
785
786 if (ac97->flags & AC97_CS_SPDIF) {
787 int x = (val >> 12) & 0x03;
788 switch (x) {
789 case 0: x = 1; break; // 44.1
790 case 2: x = 0; break; // 48.0
791 default: x = 0; break; // illegal.
792 }
793 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
794 } else if (ac97->flags & AC97_CX_SPDIF) {
795 int v;
796 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
797 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
798 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
799 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
800 v);
43115f58
KM		 801 } else if (ac97->id == AC97_ID_YMF743) {
802 change |= snd_ac97_update_bits_nolock(ac97,
803 AC97_YMF7X3_DIT_CTRL,
804 0xff38,
805 ((val << 4) & 0xff00) |
806 ((val << 2) & 0x0038));
1da177e4
LT		 807 } else {
808 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
809 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
810
811 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
812 if (extst & AC97_EA_SPDIF) {
813 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
814 }
815 }
62932df8 816 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 817
818 return change;
819}
820
ee42381e 821static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 822{
ee42381e 823 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 824 int reg = kcontrol->private_value & 0xff;
825 int shift = (kcontrol->private_value >> 8) & 0xff;
826 int mask = (kcontrol->private_value >> 16) & 0xff;
827 // int invert = (kcontrol->private_value >> 24) & 0xff;
828 unsigned short value, old, new;
829 int change;
830
831 value = (ucontrol->value.integer.value[0] & mask);
832
62932df8 833 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 834 mask <<= shift;
835 value <<= shift;
836 old = snd_ac97_read_cache(ac97, reg);
837 new = (old & ~mask) | value;
838 change = old != new;
839
840 if (change) {
841 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
842 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
843 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
844 if (extst & AC97_EA_SPDIF)
845 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
846 }
62932df8 847 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 848 return change;
849}
850
ac519028 851static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
1da177e4
LT		 852 {
853 .access = SNDRV_CTL_ELEM_ACCESS_READ,
854 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
855 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
856 .info = snd_ac97_spdif_mask_info,
857 .get = snd_ac97_spdif_cmask_get,
858 },
859 {
860 .access = SNDRV_CTL_ELEM_ACCESS_READ,
861 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
862 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
863 .info = snd_ac97_spdif_mask_info,
864 .get = snd_ac97_spdif_pmask_get,
865 },
866 {
867 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
868 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
869 .info = snd_ac97_spdif_mask_info,
870 .get = snd_ac97_spdif_default_get,
871 .put = snd_ac97_spdif_default_put,
872 },
873
874 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
875 {
876 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
877 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
878 .info = snd_ac97_info_volsw,
879 .get = snd_ac97_get_volsw,
880 .put = snd_ac97_put_spsa,
881 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
882 },
883};
884
885#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
886{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
887 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
888 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
889
ee42381e 890static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4 891{
ee42381e 892 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 893 int mask = (kcontrol->private_value >> 16) & 0x0f;
894 int lshift = (kcontrol->private_value >> 8) & 0x0f;
895 int rshift = (kcontrol->private_value >> 12) & 0x0f;
896
897 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
899 uinfo->count = 2;
900 else
901 uinfo->count = 1;
902 uinfo->value.integer.min = 0;
903 uinfo->value.integer.max = mask;
904 return 0;
905}
906
ee42381e 907static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 908{
ee42381e 909 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 910 int codec = kcontrol->private_value & 3;
911 int lshift = (kcontrol->private_value >> 8) & 0x0f;
912 int rshift = (kcontrol->private_value >> 12) & 0x0f;
913 int mask = (kcontrol->private_value >> 16) & 0xff;
914
915 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
916 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
917 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
918 return 0;
919}
920
ee42381e 921static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 922{
ee42381e 923 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 924 int codec = kcontrol->private_value & 3;
925 int lshift = (kcontrol->private_value >> 8) & 0x0f;
926 int rshift = (kcontrol->private_value >> 12) & 0x0f;
927 int mask = (kcontrol->private_value >> 16) & 0xff;
928 unsigned short val, valmask;
929
930 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
931 valmask = mask << lshift;
932 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
933 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
934 valmask |= mask << rshift;
935 }
936 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
937}
938
939#define AD18XX_PCM_VOLUME(xname, codec) \
940{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
941 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
942 .private_value = codec }
943
ee42381e 944static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 945{
946 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
947 uinfo->count = 2;
948 uinfo->value.integer.min = 0;
949 uinfo->value.integer.max = 31;
950 return 0;
951}
952
ee42381e 953static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 954{
ee42381e 955 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 956 int codec = kcontrol->private_value & 3;
957
62932df8 958 mutex_lock(&ac97->page_mutex);
1da177e4
LT		 959 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
960 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
62932df8 961 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 962 return 0;
963}
964
ee42381e 965static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 966{
ee42381e 967 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 968 int codec = kcontrol->private_value & 3;
969 unsigned short val1, val2;
970
971 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
972 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
973 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
974}
975
ee42381e 976static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
1da177e4
LT		 977AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
978AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
979};
980
ee42381e 981static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
1da177e4
LT		 982AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
983AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
984};
985
ee42381e 986static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
1da177e4
LT		 987AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
988AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
989};
990
ee42381e 991static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
1da177e4
LT		 992AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
993AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
994};
995
996/*
997 *
998 */
999
ee42381e 1000static void snd_ac97_powerdown(struct snd_ac97 *ac97);
1da177e4 1001
ee42381e 1002static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
1da177e4
LT		 1003{
1004 if (bus) {
1005 snd_ac97_bus_proc_done(bus);
1006 kfree(bus->pcms);
1007 if (bus->private_free)
1008 bus->private_free(bus);
1009 kfree(bus);
1010 }
1011 return 0;
1012}
1013
ee42381e 1014static int snd_ac97_bus_dev_free(struct snd_device *device)
1da177e4 1015{
ee42381e 1016 struct snd_ac97_bus *bus = device->device_data;
1da177e4
LT		 1017 return snd_ac97_bus_free(bus);
1018}
1019
ee42381e 1020static int snd_ac97_free(struct snd_ac97 *ac97)
1da177e4
LT		 1021{
1022 if (ac97) {
6dbe6628 1023#ifdef CONFIG_SND_AC97_POWER_SAVE
5b84ba26 1024 cancel_delayed_work_sync(&ac97->power_work);
6dbe6628 1025#endif
1da177e4 1026 snd_ac97_proc_done(ac97);
2ba71978 1027 if (ac97->bus)
1da177e4 1028 ac97->bus->codec[ac97->num] = NULL;
1da177e4
LT		 1029 if (ac97->private_free)
1030 ac97->private_free(ac97);
1031 kfree(ac97);
1032 }
1033 return 0;
1034}
1035
ee42381e 1036static int snd_ac97_dev_free(struct snd_device *device)
1da177e4 1037{
ee42381e 1038 struct snd_ac97 *ac97 = device->device_data;
1da177e4
LT		 1039 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1040 return snd_ac97_free(ac97);
1041}
1042
ee42381e 1043static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1da177e4 1044{
03c2d87a 1045 unsigned short val, mask = AC97_MUTE_MASK_MONO;
1da177e4
LT		 1046
1047 if (! snd_ac97_valid_reg(ac97, reg))
1048 return 0;
1049
1050 switch (reg) {
1051 case AC97_MASTER_TONE:
03c2d87a 1052 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0;
1da177e4 1053 case AC97_HEADPHONE:
03c2d87a 1054 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0;
1da177e4 1055 case AC97_REC_GAIN_MIC:
03c2d87a 1056 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0;
1da177e4 1057 case AC97_3D_CONTROL:
03c2d87a 1058 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) {
1da177e4
LT		 1059 val = snd_ac97_read(ac97, reg);
1060 /* if nonzero - fixed and we can't set it */
1061 return val == 0;
1062 }
1063 return 0;
1064 case AC97_CENTER_LFE_MASTER: /* center */
1065 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1066 return 0;
1067 break;
1068 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1069 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1070 return 0;
1071 reg = AC97_CENTER_LFE_MASTER;
1072 mask = 0x0080;
1073 break;
1074 case AC97_SURROUND_MASTER:
1075 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1076 return 0;
1077 break;
1078 }
1079
1da177e4
LT		 1080 val = snd_ac97_read(ac97, reg);
1081 if (!(val & mask)) {
1082 /* nothing seems to be here - mute flag is not set */
1083 /* try another test */
1084 snd_ac97_write_cache(ac97, reg, val | mask);
1085 val = snd_ac97_read(ac97, reg);
ee42381e 1086 val = snd_ac97_read(ac97, reg);
1da177e4
LT		 1087 if (!(val & mask))
1088 return 0; /* nothing here */
1089 }
1090 return 1; /* success, useable */
1091}
1092
ee42381e 1093static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1da177e4
LT		 1094{
1095 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1096 unsigned char max[3] = { 63, 31, 15 };
1097 int i;
1098
50dabc2d
TI		 1099 /* first look up the static resolution table */
1100 if (ac97->res_table) {
1101 const struct snd_ac97_res_table *tbl;
1102 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1103 if (tbl->reg == reg) {
1104 *lo_max = tbl->bits & 0xff;
1105 *hi_max = (tbl->bits >> 8) & 0xff;
1106 return;
1107 }
1108 }
1109 }
1110
1da177e4
LT		 1111 *lo_max = *hi_max = 0;
1112 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1113 unsigned short val;
03c2d87a
AM		 1114 snd_ac97_write(
1115 ac97, reg,
1116 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8)
1117 );
c9eab129 1118 /* Do the read twice due to buffers on some ac97 codecs.
59c51591 1119 * e.g. The STAC9704 returns exactly what you wrote to the register
c9eab129
JCD		 1120 * if you read it immediately. This causes the detect routine to fail.
1121 */
1122 val = snd_ac97_read(ac97, reg);
1da177e4 1123 val = snd_ac97_read(ac97, reg);
a2142674 1124 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1125 *lo_max = max[i];
a2142674 1126 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1127 *hi_max = max[i];
1128 if (*lo_max && *hi_max)
1129 break;
1130 }
1131}
1132
ac519028 1133static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1da177e4
LT		 1134{
1135 unsigned short mask, val, orig, res;
1136
1137 mask = 1 << bit;
1138 orig = snd_ac97_read(ac97, reg);
1139 val = orig ^ mask;
1140 snd_ac97_write(ac97, reg, val);
1141 res = snd_ac97_read(ac97, reg);
1142 snd_ac97_write_cache(ac97, reg, orig);
1143 return res == val;
1144}
1145
1146/* check the volume resolution of center/lfe */
ee42381e 1147static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1da177e4
LT		 1148{
1149 unsigned short val, val1;
1150
1151 *max = 63;
03c2d87a 1152 val = AC97_MUTE_MASK_STEREO | (0x20 << shift);
1da177e4
LT		 1153 snd_ac97_write(ac97, reg, val);
1154 val1 = snd_ac97_read(ac97, reg);
1155 if (val != val1) {
1156 *max = 31;
1157 }
1158 /* reset volume to zero */
03c2d87a 1159 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO);
1da177e4
LT		 1160}
1161
1162static inline int printable(unsigned int x)
1163{
1164 x &= 0xff;
1165 if (x < ' ' || x >= 0x71) {
1166 if (x <= 0x89)
1167 return x - 0x71 + 'A';
1168 return '?';
1169 }
1170 return x;
1171}
1172
ac519028
TI		 1173static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
1174 struct snd_ac97 * ac97)
1da177e4 1175{
ee42381e 1176 struct snd_kcontrol_new template;
1da177e4 1177 memcpy(&template, _template, sizeof(template));
1da177e4
LT		 1178 template.index = ac97->num;
1179 return snd_ctl_new1(&template, ac97);
1180}
1181
1182/*
1183 * create mute switch(es) for normal stereo controls
1184 */
6dbe6628
TI		 1185static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1186 int check_stereo, int check_amix,
1187 struct snd_ac97 *ac97)
1da177e4 1188{
ee42381e 1189 struct snd_kcontrol *kctl;
1da177e4
LT		 1190 int err;
1191 unsigned short val, val1, mute_mask;
1192
1193 if (! snd_ac97_valid_reg(ac97, reg))
1194 return 0;
1195
03c2d87a 1196 mute_mask = AC97_MUTE_MASK_MONO;
1da177e4
LT		 1197 val = snd_ac97_read(ac97, reg);
1198 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1199 /* check whether both mute bits work */
03c2d87a 1200 val1 = val | AC97_MUTE_MASK_STEREO;
1da177e4
LT		 1201 snd_ac97_write(ac97, reg, val1);
1202 if (val1 == snd_ac97_read(ac97, reg))
03c2d87a 1203 mute_mask = AC97_MUTE_MASK_STEREO;
1da177e4 1204 }
03c2d87a 1205 if (mute_mask == AC97_MUTE_MASK_STEREO) {
ee42381e 1206 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
6dbe6628
TI		 1207 if (check_amix)
1208 tmp.private_value |= (1 << 30);
1da177e4
LT		 1209 tmp.index = ac97->num;
1210 kctl = snd_ctl_new1(&tmp, ac97);
1211 } else {
ee42381e 1212 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
6dbe6628
TI		 1213 if (check_amix)
1214 tmp.private_value |= (1 << 30);
1da177e4
LT		 1215 tmp.index = ac97->num;
1216 kctl = snd_ctl_new1(&tmp, ac97);
1217 }
1218 err = snd_ctl_add(card, kctl);
1219 if (err < 0)
1220 return err;
1221 /* mute as default */
1222 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1223 return 0;
1224}
1225
2f3482fb
TI		 1226/*
1227 * set dB information
1228 */
0cb29ea0
TI		 1229static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1230static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1231static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1232static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1233static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
2f3482fb 1234
0cb29ea0 1235static const unsigned int *find_db_scale(unsigned int maxval)
2f3482fb
TI		 1236{
1237 switch (maxval) {
1238 case 0x0f: return db_scale_4bit;
1239 case 0x1f: return db_scale_5bit;
1240 case 0x3f: return db_scale_6bit;
1241 }
1242 return NULL;
1243}
1244
0cb29ea0
TI		 1245static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1246{
2f3482fb
TI		 1247 kctl->tlv.p = tlv;
1248 if (tlv)
1249 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1250}
1251
1da177e4
LT		 1252/*
1253 * create a volume for normal stereo/mono controls
1254 */
ee42381e
TI		 1255static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1256 unsigned int hi_max, struct snd_ac97 *ac97)
1da177e4
LT		 1257{
1258 int err;
ee42381e 1259 struct snd_kcontrol *kctl;
1da177e4
LT		 1260
1261 if (! snd_ac97_valid_reg(ac97, reg))
1262 return 0;
1263 if (hi_max) {
1264 /* invert */
ee42381e 1265 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1da177e4
LT		 1266 tmp.index = ac97->num;
1267 kctl = snd_ctl_new1(&tmp, ac97);
1268 } else {
1269 /* invert */
ee42381e 1270 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1da177e4
LT		 1271 tmp.index = ac97->num;
1272 kctl = snd_ctl_new1(&tmp, ac97);
1273 }
733a48e5
TI		 1274 if (!kctl)
1275 return -ENOMEM;
2f3482fb
TI		 1276 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1277 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1278 else
1279 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1da177e4
LT		 1280 err = snd_ctl_add(card, kctl);
1281 if (err < 0)
1282 return err;
03c2d87a
AM		 1283 snd_ac97_write_cache(
1284 ac97, reg,
1285 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO)
1286 | lo_max | (hi_max << 8)
1287 );
1da177e4
LT		 1288 return 0;
1289}
1290
1291/*
1292 * create a mute-switch and a volume for normal stereo/mono controls
1293 */
6dbe6628
TI		 1294static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1295 int reg, int check_stereo, int check_amix,
1296 struct snd_ac97 *ac97)
1da177e4
LT		 1297{
1298 int err;
1299 char name[44];
1300 unsigned char lo_max, hi_max;
1301
1302 if (! snd_ac97_valid_reg(ac97, reg))
1303 return 0;
1304
1305 if (snd_ac97_try_bit(ac97, reg, 15)) {
1306 sprintf(name, "%s Switch", pfx);
6dbe6628
TI		 1307 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1308 check_stereo, check_amix,
1309 ac97)) < 0)
1da177e4
LT		 1310 return err;
1311 }
1312 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1313 if (lo_max) {
1314 sprintf(name, "%s Volume", pfx);
1315 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1316 return err;
1317 }
1318 return 0;
1319}
1320
6dbe6628
TI		 1321#define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1322 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1323#define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1324 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1da177e4 1325
ee42381e 1326static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1da177e4 1327
ee42381e 1328static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1da177e4 1329{
ee42381e
TI		 1330 struct snd_card *card = ac97->bus->card;
1331 struct snd_kcontrol *kctl;
1da177e4
LT		 1332 int err;
1333 unsigned int idx;
1334 unsigned char max;
1335
1336 /* build master controls */
1337 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1338 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1339 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
6dbe6628
TI		 1340 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1341 AC97_MASTER, 0, ac97);
1da177e4 1342 else
6dbe6628
TI		 1343 err = snd_ac97_cmix_new(card, "Master Playback",
1344 AC97_MASTER, 0, ac97);
1da177e4
LT		 1345 if (err < 0)
1346 return err;
1347 }
1348
03c2d87a 1349 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO;
1da177e4
LT		 1350
1351 /* build center controls */
70c5acbd
JK		 1352 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1353 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4
LT		 1354 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1355 return err;
1356 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1357 return err;
1358 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1359 kctl->private_value &= ~(0xff << 16);
1360 kctl->private_value |= (int)max << 16;
2f3482fb 1361 set_tlv_db_scale(kctl, find_db_scale(max));
1da177e4
LT		 1362 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1363 }
1364
1365 /* build LFE controls */
70c5acbd
JK		 1366 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1367 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4
LT		 1368 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1369 return err;
1370 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1371 return err;
1372 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1373 kctl->private_value &= ~(0xff << 16);
1374 kctl->private_value |= (int)max << 16;
2f3482fb 1375 set_tlv_db_scale(kctl, find_db_scale(max));
1da177e4
LT		 1376 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1377 }
1378
1379 /* build surround controls */
70c5acbd
JK		 1380 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1381 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4 1382 /* Surround Master (0x38) is with stereo mutes */
6dbe6628
TI		 1383 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1384 AC97_SURROUND_MASTER, 1, 0,
1385 ac97)) < 0)
1da177e4
LT		 1386 return err;
1387 }
1388
1389 /* build headphone controls */
1390 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
6dbe6628
TI		 1391 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1392 AC97_HEADPHONE, 0, ac97)) < 0)
1da177e4
LT		 1393 return err;
1394 }
1395
1396 /* build master mono controls */
1397 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
6dbe6628
TI		 1398 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1399 AC97_MASTER_MONO, 0, ac97)) < 0)
1da177e4
LT		 1400 return err;
1401 }
1402
1403 /* build master tone controls */
3998b70f
LG		 1404 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1405 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1406 for (idx = 0; idx < 2; idx++) {
1407 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1408 return err;
43115f58
KM		 1409 if (ac97->id == AC97_ID_YMF743 ||
1410 ac97->id == AC97_ID_YMF753) {
3998b70f
LG		 1411 kctl->private_value &= ~(0xff << 16);
1412 kctl->private_value |= 7 << 16;
1413 }
1da177e4 1414 }
3998b70f 1415 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1da177e4 1416 }
1da177e4
LT		 1417 }
1418
d355c82a 1419 /* build Beep controls */
1da177e4
LT		 1420 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1421 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1422 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1423 for (idx = 0; idx < 2; idx++)
2f3482fb 1424 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1da177e4 1425 return err;
2f3482fb 1426 set_tlv_db_scale(kctl, db_scale_4bit);
03c2d87a
AM		 1427 snd_ac97_write_cache(
1428 ac97,
1429 AC97_PC_BEEP,
1430 (snd_ac97_read(ac97, AC97_PC_BEEP)
1431 | AC97_MUTE_MASK_MONO | 0x001e)
1432 );
1da177e4
LT		 1433 }
1434
1435 /* build Phone controls */
1436 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1437 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
6dbe6628
TI		 1438 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1439 AC97_PHONE, 1, ac97)) < 0)
1da177e4
LT		 1440 return err;
1441 }
1442 }
1443
1444 /* build MIC controls */
3998b70f
LG		 1445 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1446 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
6dbe6628
TI		 1447 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1448 AC97_MIC, 1, ac97)) < 0)
3998b70f
LG		 1449 return err;
1450 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1451 return err;
1452 }
1da177e4
LT		 1453 }
1454
1455 /* build Line controls */
1456 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
6dbe6628
TI		 1457 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1458 AC97_LINE, 1, ac97)) < 0)
1da177e4
LT		 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)) {
6dbe6628
TI		 1465 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1466 AC97_CD, 1, ac97)) < 0)
1da177e4
LT		 1467 return err;
1468 }
1469 }
1470
1471 /* build Video controls */
1472 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1473 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
6dbe6628
TI		 1474 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1475 AC97_VIDEO, 1, ac97)) < 0)
1da177e4
LT		 1476 return err;
1477 }
1478 }
1479
1480 /* build Aux controls */
1459c784
RG		 1481 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1482 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
6dbe6628
TI		 1483 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1484 AC97_AUX, 1, ac97)) < 0)
1459c784
RG		 1485 return err;
1486 }
1da177e4
LT		 1487 }
1488
1489 /* build PCM controls */
1490 if (ac97->flags & AC97_AD_MULTI) {
1491 unsigned short init_val;
1492 if (ac97->flags & AC97_STEREO_MUTES)
1493 init_val = 0x9f9f;
1494 else
1495 init_val = 0x9f1f;
1496 for (idx = 0; idx < 2; idx++)
2f3482fb 1497 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1da177e4 1498 return err;
2f3482fb 1499 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1500 ac97->spec.ad18xx.pcmreg[0] = init_val;
1501 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1502 for (idx = 0; idx < 2; idx++)
2f3482fb 1503 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1da177e4 1504 return err;
2f3482fb 1505 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1506 ac97->spec.ad18xx.pcmreg[1] = init_val;
1507 }
1508 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1509 for (idx = 0; idx < 2; idx++)
2f3482fb 1510 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1da177e4 1511 return err;
2f3482fb 1512 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4 1513 for (idx = 0; idx < 2; idx++)
2f3482fb 1514 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1da177e4 1515 return err;
2f3482fb 1516 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1517 ac97->spec.ad18xx.pcmreg[2] = init_val;
1518 }
1519 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1520 } else {
3998b70f
LG		 1521 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1522 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
6dbe6628
TI		 1523 err = snd_ac97_cmute_new(card,
1524 "PCM Playback Switch",
1525 AC97_PCM, 0, ac97);
3998b70f 1526 else
6dbe6628
TI		 1527 err = snd_ac97_cmix_new(card, "PCM Playback",
1528 AC97_PCM, 0, ac97);
3998b70f
LG		 1529 if (err < 0)
1530 return err;
1531 }
1da177e4
LT		 1532 }
1533
1534 /* build Capture controls */
1535 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1536 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1537 return err;
1538 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
6dbe6628
TI		 1539 err = snd_ac97_cmute_new(card, "Capture Switch",
1540 AC97_REC_GAIN, 0, ac97);
1541 if (err < 0)
1da177e4
LT		 1542 return err;
1543 }
2f3482fb 1544 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1da177e4 1545 return err;
2f3482fb 1546 set_tlv_db_scale(kctl, db_scale_rec_gain);
1da177e4
LT		 1547 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1548 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1549 }
1550 /* build MIC Capture controls */
1551 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1552 for (idx = 0; idx < 2; idx++)
2f3482fb 1553 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1da177e4 1554 return err;
2f3482fb 1555 set_tlv_db_scale(kctl, db_scale_rec_gain);
1da177e4
LT		 1556 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1557 }
1558
1559 /* build PCM out path & mute control */
1560 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1561 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1562 return err;
1563 }
1564
1565 /* build Simulated Stereo Enhancement control */
03c2d87a 1566 if (ac97->caps & AC97_BC_SIM_STEREO) {
1da177e4
LT		 1567 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1568 return err;
1569 }
1570
1571 /* build 3D Stereo Enhancement control */
1572 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1573 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1574 return err;
1575 }
1576
1577 /* build Loudness control */
03c2d87a 1578 if (ac97->caps & AC97_BC_LOUDNESS) {
1da177e4
LT		 1579 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1580 return err;
1581 }
1582
1583 /* build Mono output select control */
1584 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1585 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1586 return err;
1587 }
1588
1589 /* build Mic select control */
1590 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1591 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1592 return err;
1593 }
1594
1595 /* build ADC/DAC loopback control */
1596 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1597 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1598 return err;
1599 }
1600
1601 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1602
1603 /* build 3D controls */
1604 if (ac97->build_ops->build_3d) {
1605 ac97->build_ops->build_3d(ac97);
1606 } else {
1607 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1608 unsigned short val;
1609 val = 0x0707;
1610 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1611 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1612 val = val == 0x0606;
1613 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1614 return err;
1615 if (val)
1616 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1617 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1618 return err;
1619 if (val)
1620 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1621 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1622 }
1623 }
1624
1625 /* build S/PDIF controls */
7b89190c
MS		 1626
1627 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1628 if (ac97->subsystem_vendor == 0x1043 &&
1629 ac97->subsystem_device == 0x810f)
1630 ac97->ext_id |= AC97_EI_SPDIF;
1631
1da177e4
LT		 1632 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1633 if (ac97->build_ops->build_spdif) {
1634 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1635 return err;
1636 } else {
1637 for (idx = 0; idx < 5; idx++)
1638 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1639 return err;
1640 if (ac97->build_ops->build_post_spdif) {
1641 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1642 return err;
1643 }
1644 /* set default PCM S/PDIF params */
1645 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1646 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1647 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1648 }
1649 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1650 }
1651
1652 /* build chip specific controls */
1653 if (ac97->build_ops->build_specific)
1654 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1655 return err;
1656
1657 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1658 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1659 if (! kctl)
1660 return -ENOMEM;
1661 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1662 set_inv_eapd(ac97, kctl);
1663 if ((err = snd_ctl_add(card, kctl)) < 0)
1664 return err;
1665 }
1666
1667 return 0;
1668}
1669
ee42381e 1670static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1da177e4 1671{
87d61c29
SK		 1672 int err, idx;
1673
ee419653
TI		 1674 /*
1675 printk(KERN_DEBUG "AC97_GPIO_CFG = %x\n",
1676 snd_ac97_read(ac97,AC97_GPIO_CFG));
1677 */
1da177e4
LT		 1678 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1679 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1680 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1681 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1682 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1683
1684 /* build modem switches */
1685 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
0444e2ac 1686 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
87d61c29
SK		 1687 return err;
1688
1689 /* build chip specific controls */
1690 if (ac97->build_ops->build_specific)
1691 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1692 return err;
1693
1da177e4
LT		 1694 return 0;
1695}
1696
ee42381e 1697static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1da177e4
LT		 1698{
1699 unsigned short val;
1700 unsigned int tmp;
1701
1702 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1703 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1704 if (shadow_reg)
1705 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1706 val = snd_ac97_read(ac97, reg);
1707 return val == (tmp & 0xffff);
1708}
1709
ee42381e 1710static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1da177e4
LT		 1711{
1712 unsigned int result = 0;
1713 unsigned short saved;
1714
1715 if (ac97->bus->no_vra) {
1716 *r_result = SNDRV_PCM_RATE_48000;
1717 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1718 reg == AC97_PCM_FRONT_DAC_RATE)
1719 *r_result |= SNDRV_PCM_RATE_96000;
1720 return;
1721 }
1722
1723 saved = snd_ac97_read(ac97, reg);
1724 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1725 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1726 AC97_EA_DRA, 0);
1727 /* test a non-standard rate */
1728 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1729 result |= SNDRV_PCM_RATE_CONTINUOUS;
1730 /* let's try to obtain standard rates */
1731 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1732 result |= SNDRV_PCM_RATE_8000;
1733 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1734 result |= SNDRV_PCM_RATE_11025;
1735 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1736 result |= SNDRV_PCM_RATE_16000;
1737 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1738 result |= SNDRV_PCM_RATE_22050;
1739 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1740 result |= SNDRV_PCM_RATE_32000;
1741 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1742 result |= SNDRV_PCM_RATE_44100;
1743 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1744 result |= SNDRV_PCM_RATE_48000;
1745 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1746 reg == AC97_PCM_FRONT_DAC_RATE) {
1747 /* test standard double rates */
1748 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1749 AC97_EA_DRA, AC97_EA_DRA);
1750 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1751 result |= SNDRV_PCM_RATE_64000;
1752 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1753 result |= SNDRV_PCM_RATE_88200;
1754 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1755 result |= SNDRV_PCM_RATE_96000;
1756 /* some codecs don't support variable double rates */
1757 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1758 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1759 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1760 AC97_EA_DRA, 0);
1761 }
1762 /* restore the default value */
1763 snd_ac97_write_cache(ac97, reg, saved);
1764 if (shadow_reg)
1765 snd_ac97_write_cache(ac97, shadow_reg, saved);
1766 *r_result = result;
1767}
1768
1769/* check AC97_SPDIF register to accept which sample rates */
ee42381e 1770static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1da177e4
LT		 1771{
1772 unsigned int result = 0;
1773 int i;
1774 static unsigned short ctl_bits[] = {
1775 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1776 };
1777 static unsigned int rate_bits[] = {
1778 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1779 };
1780
1781 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1782 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1783 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1784 result |= rate_bits[i];
1785 }
1786 return result;
1787}
1788
1789/* look for the codec id table matching with the given id */
ee42381e
TI		 1790static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1791 unsigned int id)
1da177e4 1792{
ee42381e 1793 const struct ac97_codec_id *pid;
1da177e4
LT		 1794
1795 for (pid = table; pid->id; pid++)
1796 if (pid->id == (id & pid->mask))
1797 return pid;
1798 return NULL;
1799}
1800
ee42381e 1801void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1da177e4 1802{
ee42381e 1803 const struct ac97_codec_id *pid;
1da177e4
LT		 1804
1805 sprintf(name, "0x%x %c%c%c", id,
1806 printable(id >> 24),
1807 printable(id >> 16),
1808 printable(id >> 8));
1809 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1810 if (! pid)
1811 return;
1812
1813 strcpy(name, pid->name);
1814 if (ac97 && pid->patch) {
1815 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1816 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1817 pid->patch(ac97);
1818 }
1819
1820 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1821 if (pid) {
1822 strcat(name, " ");
1823 strcat(name, pid->name);
1824 if (pid->mask != 0xffffffff)
1825 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1826 if (ac97 && pid->patch) {
1827 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1828 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1829 pid->patch(ac97);
1830 }
1831 } else
1832 sprintf(name + strlen(name), " id %x", id & 0xff);
1833}
1834
1835/**
1836 * snd_ac97_get_short_name - retrieve codec name
1837 * @ac97: the codec instance
1838 *
eb7c06e8 1839 * Return: The short identifying name of the codec.
1da177e4 1840 */
ee42381e 1841const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1da177e4 1842{
ee42381e 1843 const struct ac97_codec_id *pid;
1da177e4
LT		 1844
1845 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1846 if (pid->id == (ac97->id & pid->mask))
1847 return pid->name;
1848 return "unknown codec";
1849}
1850
7b09679c 1851EXPORT_SYMBOL(snd_ac97_get_short_name);
1da177e4
LT		 1852
1853/* wait for a while until registers are accessible after RESET
1854 * return 0 if ok, negative not ready
1855 */
ee42381e 1856static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1da177e4
LT		 1857{
1858 unsigned long end_time;
1859 unsigned short val;
1860
1861 end_time = jiffies + timeout;
1862 do {
1863
1864 /* use preliminary reads to settle the communication */
1865 snd_ac97_read(ac97, AC97_RESET);
1866 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1867 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1868 /* modem? */
1869 if (with_modem) {
1870 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1871 if (val != 0xffff && (val & 1) != 0)
1872 return 0;
1873 }
1874 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1875 /* probably only Xbox issue - all registers are read as zero */
1876 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1877 if (val != 0 && val != 0xffff)
1878 return 0;
1879 } else {
1880 /* because the PCM or MASTER volume registers can be modified,
1881 * the REC_GAIN register is used for tests
1882 */
1883 /* test if we can write to the record gain volume register */
1884 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1885 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1886 return 0;
1887 }
8433a509 1888 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1889 } while (time_after_eq(end_time, jiffies));
1890 return -ENODEV;
1891}
1892
1893/**
1894 * snd_ac97_bus - create an AC97 bus component
1895 * @card: the card instance
1896 * @num: the bus number
1897 * @ops: the bus callbacks table
1898 * @private_data: private data pointer for the new instance
1899 * @rbus: the pointer to store the new AC97 bus instance.
1900 *
ee42381e 1901 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1da177e4
LT		 1902 * allocated and initialized.
1903 *
1904 * The ops table must include valid callbacks (at least read and
1905 * write). The other callbacks, wait and reset, are not mandatory.
1906 *
1907 * The clock is set to 48000. If another clock is needed, set
1908 * (*rbus)->clock manually.
1909 *
1910 * The AC97 bus instance is registered as a low-level device, so you don't
1911 * have to release it manually.
1912 *
eb7c06e8 1913 * Return: Zero if successful, or a negative error code on failure.
1da177e4 1914 */
ee42381e
TI		 1915int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1916 void *private_data, struct snd_ac97_bus **rbus)
1da177e4
LT		 1917{
1918 int err;
ee42381e
TI		 1919 struct snd_ac97_bus *bus;
1920 static struct snd_device_ops dev_ops = {
1da177e4
LT		 1921 .dev_free = snd_ac97_bus_dev_free,
1922 };
1923
da3cec35
TI		 1924 if (snd_BUG_ON(!card))
1925 return -EINVAL;
e560d8d8 1926 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 1927 if (bus == NULL)
1928 return -ENOMEM;
1929 bus->card = card;
1930 bus->num = num;
1931 bus->ops = ops;
1932 bus->private_data = private_data;
1933 bus->clock = 48000;
1934 spin_lock_init(&bus->bus_lock);
1935 snd_ac97_bus_proc_init(bus);
1936 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1937 snd_ac97_bus_free(bus);
1938 return err;
1939 }
da3cec35
TI		 1940 if (rbus)
1941 *rbus = bus;
1da177e4
LT		 1942 return 0;
1943}
1944
7b09679c
TI		 1945EXPORT_SYMBOL(snd_ac97_bus);
1946
0ca06a00
LG		 1947/* stop no dev release warning */
1948static void ac97_device_release(struct device * dev)
1949{
1950}
1951
1952/* register ac97 codec to bus */
ee42381e 1953static int snd_ac97_dev_register(struct snd_device *device)
0ca06a00 1954{
ee42381e 1955 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1956 int err;
1957
1958 ac97->dev.bus = &ac97_bus_type;
1959 ac97->dev.parent = ac97->bus->card->dev;
0ca06a00 1960 ac97->dev.release = ac97_device_release;
096a9571
KS		 1961 dev_set_name(&ac97->dev, "%d-%d:%s",
1962 ac97->bus->card->number, ac97->num,
1963 snd_ac97_get_short_name(ac97));
0ca06a00
LG		 1964 if ((err = device_register(&ac97->dev)) < 0) {
1965 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1966 ac97->dev.bus = NULL;
1967 return err;
1968 }
1969 return 0;
1970}
1971
c461482c
TI		 1972/* disconnect ac97 codec */
1973static int snd_ac97_dev_disconnect(struct snd_device *device)
0ca06a00 1974{
ee42381e 1975 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1976 if (ac97->dev.bus)
1977 device_unregister(&ac97->dev);
c461482c 1978 return 0;
0ca06a00
LG		 1979}
1980
1da177e4 1981/* build_ops to do nothing */
3e8b3b90 1982static const struct snd_ac97_build_ops null_build_ops;
1da177e4 1983
6dbe6628 1984#ifdef CONFIG_SND_AC97_POWER_SAVE
c4028958 1985static void do_update_power(struct work_struct *work)
6dbe6628 1986{
c4028958
DH		 1987 update_power_regs(
1988 container_of(work, struct snd_ac97, power_work.work));
6dbe6628
TI		 1989}
1990#endif
1991
1da177e4
LT		 1992/**
1993 * snd_ac97_mixer - create an Codec97 component
1994 * @bus: the AC97 bus which codec is attached to
1995 * @template: the template of ac97, including index, callbacks and
1996 * the private data.
1997 * @rac97: the pointer to store the new ac97 instance.
1998 *
ee42381e 1999 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1da177e4
LT		 2000 * allocated and initialized from the template. The codec
2001 * is then initialized by the standard procedure.
2002 *
2003 * The template must include the codec number (num) and address (addr),
2004 * and the private data (private_data).
2005 *
2006 * The ac97 instance is registered as a low-level device, so you don't
2007 * have to release it manually.
2008 *
eb7c06e8 2009 * Return: Zero if successful, or a negative error code on failure.
1da177e4 2010 */
ee42381e 2011int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1da177e4
LT		 2012{
2013 int err;
ee42381e
TI		 2014 struct snd_ac97 *ac97;
2015 struct snd_card *card;
1da177e4
LT		 2016 char name[64];
2017 unsigned long end_time;
2018 unsigned int reg;
ee42381e
TI		 2019 const struct ac97_codec_id *pid;
2020 static struct snd_device_ops ops = {
1da177e4 2021 .dev_free = snd_ac97_dev_free,
0ca06a00 2022 .dev_register = snd_ac97_dev_register,
c461482c 2023 .dev_disconnect = snd_ac97_dev_disconnect,
1da177e4
LT		 2024 };
2025
da3cec35
TI		 2026 if (rac97)
2027 *rac97 = NULL;
2028 if (snd_BUG_ON(!bus || !template))
2029 return -EINVAL;
2030 if (snd_BUG_ON(template->num >= 4))
2031 return -EINVAL;
2032 if (bus->codec[template->num])
2033 return -EBUSY;
1da177e4 2034
1da177e4 2035 card = bus->card;
e560d8d8 2036 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1da177e4
LT		 2037 if (ac97 == NULL)
2038 return -ENOMEM;
2039 ac97->private_data = template->private_data;
2040 ac97->private_free = template->private_free;
2041 ac97->bus = bus;
2042 ac97->pci = template->pci;
2043 ac97->num = template->num;
2044 ac97->addr = template->addr;
2045 ac97->scaps = template->scaps;
7c5706bb 2046 ac97->res_table = template->res_table;
1da177e4 2047 bus->codec[ac97->num] = ac97;
62932df8
IM		 2048 mutex_init(&ac97->reg_mutex);
2049 mutex_init(&ac97->page_mutex);
6dbe6628 2050#ifdef CONFIG_SND_AC97_POWER_SAVE
c4028958 2051 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
6dbe6628 2052#endif
1da177e4 2053
adf1b3d2 2054#ifdef CONFIG_PCI
1da177e4
LT		 2055 if (ac97->pci) {
2056 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2057 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2058 }
adf1b3d2 2059#endif
1da177e4
LT		 2060 if (bus->ops->reset) {
2061 bus->ops->reset(ac97);
2062 goto __access_ok;
2063 }
2064
2065 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2066 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2067 if (ac97->id && ac97->id != (unsigned int)-1) {
2068 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2069 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2070 goto __access_ok;
2071 }
2072
23fea4da
SK		 2073 /* reset to defaults */
2074 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2075 snd_ac97_write(ac97, AC97_RESET, 0);
2076 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2077 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 2078 if (bus->ops->wait)
2079 bus->ops->wait(ac97);
2080 else {
2081 udelay(50);
2082 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
45cffef1 2083 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);
1da177e4 2084 else {
45cffef1 2085 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);
1da177e4 2086 if (err < 0)
45cffef1
TI		 2087 err = ac97_reset_wait(ac97,
2088 msecs_to_jiffies(500), 1);
1da177e4
LT		 2089 }
2090 if (err < 0) {
2091 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
2092 /* proceed anyway - it's often non-critical */
2093 }
2094 }
2095 __access_ok:
2096 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2097 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2098 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2099 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2100 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
2101 snd_ac97_free(ac97);
2102 return -EIO;
2103 }
2104 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2105 if (pid)
2106 ac97->flags |= pid->flags;
2107
2108 /* test for AC'97 */
2109 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2110 /* test if we can write to the record gain volume register */
2111 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2112 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2113 ac97->scaps |= AC97_SCAP_AUDIO;
2114 }
2115 if (ac97->scaps & AC97_SCAP_AUDIO) {
2116 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2117 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2118 if (ac97->ext_id == 0xffff) /* invalid combination */
2119 ac97->ext_id = 0;
2120 }
2121
2122 /* test for MC'97 */
2123 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2124 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2125 if (ac97->ext_mid == 0xffff) /* invalid combination */
2126 ac97->ext_mid = 0;
2127 if (ac97->ext_mid & 1)
2128 ac97->scaps |= AC97_SCAP_MODEM;
2129 }
2130
2131 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2132 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2133 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2134 snd_ac97_free(ac97);
2135 return -EACCES;
2136 }
2137
2138 if (bus->ops->reset) // FIXME: always skipping?
2139 goto __ready_ok;
2140
2141 /* FIXME: add powerdown control */
2142 if (ac97_is_audio(ac97)) {
2143 /* nothing should be in powerdown mode */
2144 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2145 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2146 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2147 udelay(100);
2148 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2149 }
2150 /* nothing should be in powerdown mode */
2151 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
f7489027 2152 end_time = jiffies + msecs_to_jiffies(5000);
1da177e4
LT		 2153 do {
2154 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2155 goto __ready_ok;
8433a509 2156 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2157 } while (time_after_eq(end_time, jiffies));
2158 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2159 }
2160
2161 /* FIXME: add powerdown control */
2162 if (ac97_is_modem(ac97)) {
2163 unsigned char tmp;
2164
2165 /* nothing should be in powerdown mode */
2166 /* note: it's important to set the rate at first */
2167 tmp = AC97_MEA_GPIO;
2168 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 2169 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 2170 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2171 }
2172 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 2173 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 2174 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2175 }
2176 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 2177 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 2178 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2179 }
8e8311b0 2180 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2181 udelay(100);
2182 /* nothing should be in powerdown mode */
8e8311b0 2183 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
45cffef1 2184 end_time = jiffies + msecs_to_jiffies(100);
1da177e4
LT		 2185 do {
2186 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2187 goto __ready_ok;
8433a509 2188 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2189 } while (time_after_eq(end_time, jiffies));
2190 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2191 }
2192
2193 __ready_ok:
2194 if (ac97_is_audio(ac97))
2195 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2196 else
2197 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2198 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2199 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2200 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2201 if (! bus->no_vra)
2202 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2203 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2204 }
2205 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2206 /* Intel controllers require double rate data to be put in
2207 * slots 7+8, so let's hope the codec supports it. */
2208 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2209 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2210 ac97->flags |= AC97_DOUBLE_RATE;
091e95ee
TI		 2211 /* restore to slots 10/11 to avoid the confliction with surrounds */
2212 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
1da177e4
LT		 2213 }
2214 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2215 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2216 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2217 } else {
2218 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2219 if (ac97->flags & AC97_DOUBLE_RATE)
2220 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2221 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2222 }
2223 if (ac97->ext_id & AC97_EI_SPDIF) {
2224 /* codec specific code (patch) should override these values */
2225 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2226 }
2227 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2228 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2229 } else {
2230 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2231 }
2232 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2233 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2234 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2235 }
2236 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2237 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2238 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2239 }
2240 /* additional initializations */
2241 if (bus->ops->init)
2242 bus->ops->init(ac97);
2243 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2244 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2245 if (! ac97->build_ops)
2246 ac97->build_ops = &null_build_ops;
2247
2248 if (ac97_is_audio(ac97)) {
2249 char comp[16];
2250 if (card->mixername[0] == '\0') {
2251 strcpy(card->mixername, name);
2252 } else {
2253 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2254 strcat(card->mixername, ",");
2255 strcat(card->mixername, name);
2256 }
2257 }
2258 sprintf(comp, "AC97a:%08x", ac97->id);
2259 if ((err = snd_component_add(card, comp)) < 0) {
2260 snd_ac97_free(ac97);
2261 return err;
2262 }
2263 if (snd_ac97_mixer_build(ac97) < 0) {
2264 snd_ac97_free(ac97);
2265 return -ENOMEM;
2266 }
2267 }
2268 if (ac97_is_modem(ac97)) {
2269 char comp[16];
2270 if (card->mixername[0] == '\0') {
2271 strcpy(card->mixername, name);
2272 } else {
2273 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2274 strcat(card->mixername, ",");
2275 strcat(card->mixername, name);
2276 }
2277 }
2278 sprintf(comp, "AC97m:%08x", ac97->id);
2279 if ((err = snd_component_add(card, comp)) < 0) {
2280 snd_ac97_free(ac97);
2281 return err;
2282 }
2283 if (snd_ac97_modem_build(card, ac97) < 0) {
2284 snd_ac97_free(ac97);
2285 return -ENOMEM;
2286 }
2287 }
6dbe6628
TI		 2288 if (ac97_is_audio(ac97))
2289 update_power_regs(ac97);
1da177e4
LT		 2290 snd_ac97_proc_init(ac97);
2291 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2292 snd_ac97_free(ac97);
2293 return err;
2294 }
2295 *rac97 = ac97;
1da177e4
LT		 2296 return 0;
2297}
2298
7b09679c 2299EXPORT_SYMBOL(snd_ac97_mixer);
1da177e4
LT		 2300
2301/*
2302 * Power down the chip.
2303 *
2304 * MASTER and HEADPHONE registers are muted but the register cache values
2305 * are not changed, so that the values can be restored in snd_ac97_resume().
2306 */
ee42381e 2307static void snd_ac97_powerdown(struct snd_ac97 *ac97)
1da177e4
LT		 2308{
2309 unsigned short power;
2310
2311 if (ac97_is_audio(ac97)) {
2312 /* some codecs have stereo mute bits */
2313 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2314 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2315 }
2316
6dbe6628
TI		 2317 /* surround, CLFE, mic powerdown */
2318 power = ac97->regs[AC97_EXTENDED_STATUS];
2319 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2320 power |= AC97_EA_PRJ;
2321 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2322 power |= AC97_EA_PRI | AC97_EA_PRK;
2323 power |= AC97_EA_PRL;
2324 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2325
2326 /* powerdown external amplifier */
2327 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2328 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2329 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2330 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2331 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2332 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
1da177e4
LT		 2333 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2334 udelay(100);
6cabf6b0 2335 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */
1da177e4 2336 snd_ac97_write(ac97, AC97_POWERDOWN, power);
f1a63a38 2337 if (ac97_is_power_save_mode(ac97)) {
6cabf6b0
TI		 2338 power |= AC97_PD_PR3; /* Analog Mixer powerdown */
2339 snd_ac97_write(ac97, AC97_POWERDOWN, power);
6dbe6628
TI		 2340 udelay(100);
2341 /* AC-link powerdown, internal Clk disable */
2342 /* FIXME: this may cause click noises on some boards */
2343 power |= AC97_PD_PR4 | AC97_PD_PR5;
2344 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2345 }
1da177e4
LT		 2346}
2347
2348
6dbe6628
TI		 2349struct ac97_power_reg {
2350 unsigned short reg;
2351 unsigned short power_reg;
2352 unsigned short mask;
2353};
2354
2355enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2356
2357static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2358 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2359 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2360 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2361 AC97_EA_PRI | AC97_EA_PRK},
2362 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2363 AC97_EA_PRJ},
2364 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2365 AC97_EA_PRL},
2366};
2367
2368#ifdef CONFIG_SND_AC97_POWER_SAVE
2369/**
2370 * snd_ac97_update_power - update the powerdown register
2371 * @ac97: the codec instance
2372 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2373 * @powerup: non-zero when power up the part
2374 *
2375 * Update the AC97 powerdown register bits of the given part.
eb7c06e8
YB		 2376 *
2377 * Return: Zero.
6dbe6628
TI		 2378 */
2379int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2380{
2381 int i;
2382
2383 if (! ac97)
2384 return 0;
2385
2386 if (reg) {
2387 /* SPDIF requires DAC power, too */
2388 if (reg == AC97_SPDIF)
2389 reg = AC97_PCM_FRONT_DAC_RATE;
2390 for (i = 0; i < PWIDX_SIZE; i++) {
2391 if (power_regs[i].reg == reg) {
2392 if (powerup)
2393 ac97->power_up |= (1 << i);
2394 else
2395 ac97->power_up &= ~(1 << i);
2396 break;
2397 }
2398 }
2399 }
2400
f1a63a38 2401 if (ac97_is_power_save_mode(ac97) && !powerup)
6dbe6628
TI		 2402 /* adjust power-down bits after two seconds delay
2403 * (for avoiding loud click noises for many (OSS) apps
2404 * that open/close frequently)
2405 */
45cffef1 2406 schedule_delayed_work(&ac97->power_work,
38f58227 2407 msecs_to_jiffies(power_save * 1000));
f1a63a38
TI		 2408 else {
2409 cancel_delayed_work(&ac97->power_work);
6dbe6628 2410 update_power_regs(ac97);
f1a63a38 2411 }
6dbe6628
TI		 2412
2413 return 0;
2414}
2415
2416EXPORT_SYMBOL(snd_ac97_update_power);
2417#endif /* CONFIG_SND_AC97_POWER_SAVE */
2418
2419static void update_power_regs(struct snd_ac97 *ac97)
2420{
2421 unsigned int power_up, bits;
2422 int i;
2423
f1a63a38
TI		 2424 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2425 power_up |= (1 << PWIDX_MIC);
2426 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2427 power_up |= (1 << PWIDX_SURR);
2428 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2429 power_up |= (1 << PWIDX_CLFE);
6dbe6628 2430#ifdef CONFIG_SND_AC97_POWER_SAVE
f1a63a38 2431 if (ac97_is_power_save_mode(ac97))
6dbe6628 2432 power_up = ac97->power_up;
6dbe6628
TI		 2433#endif
2434 if (power_up) {
2435 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2436 /* needs power-up analog mix and vref */
2437 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2438 AC97_PD_PR3, 0);
2439 msleep(1);
2440 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2441 AC97_PD_PR2, 0);
2442 }
2443 }
2444 for (i = 0; i < PWIDX_SIZE; i++) {
2445 if (power_up & (1 << i))
2446 bits = 0;
2447 else
2448 bits = power_regs[i].mask;
2449 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2450 power_regs[i].mask, bits);
2451 }
2452 if (! power_up) {
2453 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2454 /* power down analog mix and vref */
2455 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2456 AC97_PD_PR2, AC97_PD_PR2);
2457 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2458 AC97_PD_PR3, AC97_PD_PR3);
2459 }
2460 }
2461}
2462
2463
1da177e4
LT		 2464#ifdef CONFIG_PM
2465/**
2466 * snd_ac97_suspend - General suspend function for AC97 codec
2467 * @ac97: the ac97 instance
2468 *
2469 * Suspends the codec, power down the chip.
2470 */
ee42381e 2471void snd_ac97_suspend(struct snd_ac97 *ac97)
1da177e4 2472{
e26e7545
TI		 2473 if (! ac97)
2474 return;
1da177e4
LT		 2475 if (ac97->build_ops->suspend)
2476 ac97->build_ops->suspend(ac97);
3b6baa5a 2477#ifdef CONFIG_SND_AC97_POWER_SAVE
5b84ba26 2478 cancel_delayed_work_sync(&ac97->power_work);
3b6baa5a 2479#endif
1da177e4
LT		 2480 snd_ac97_powerdown(ac97);
2481}
2482
7b09679c
TI		 2483EXPORT_SYMBOL(snd_ac97_suspend);
2484
1da177e4
LT		 2485/*
2486 * restore ac97 status
2487 */
6ddc9d2e 2488static void snd_ac97_restore_status(struct snd_ac97 *ac97)
1da177e4
LT		 2489{
2490 int i;
2491
2492 for (i = 2; i < 0x7c ; i += 2) {
2493 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2494 continue;
2495 /* restore only accessible registers
2496 * some chip (e.g. nm256) may hang up when unsupported registers
2497 * are accessed..!
2498 */
2499 if (test_bit(i, ac97->reg_accessed)) {
2500 snd_ac97_write(ac97, i, ac97->regs[i]);
2501 snd_ac97_read(ac97, i);
2502 }
2503 }
2504}
2505
2506/*
2507 * restore IEC958 status
2508 */
6ddc9d2e 2509static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
1da177e4
LT		 2510{
2511 if (ac97->ext_id & AC97_EI_SPDIF) {
2512 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2513 /* reset spdif status */
2514 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2515 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2516 if (ac97->flags & AC97_CS_SPDIF)
2517 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2518 else
2519 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2520 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2521 }
2522 }
2523}
2524
2525/**
2526 * snd_ac97_resume - General resume function for AC97 codec
2527 * @ac97: the ac97 instance
2528 *
2529 * Do the standard resume procedure, power up and restoring the
2530 * old register values.
2531 */
ee42381e 2532void snd_ac97_resume(struct snd_ac97 *ac97)
1da177e4 2533{
ef21ca24 2534 unsigned long end_time;
1da177e4 2535
e26e7545
TI		 2536 if (! ac97)
2537 return;
2538
1da177e4
LT		 2539 if (ac97->bus->ops->reset) {
2540 ac97->bus->ops->reset(ac97);
2541 goto __reset_ready;
2542 }
2543
2544 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2545 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
d6c3cf81
TI		 2546 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2547 snd_ac97_write(ac97, AC97_RESET, 0);
2548 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2549 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 2550 udelay(100);
2551 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2552 }
2553 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2554
2555 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2556 if (ac97_is_audio(ac97)) {
2557 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
ef21ca24
NA		 2558 end_time = jiffies + msecs_to_jiffies(100);
2559 do {
1da177e4
LT		 2560 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2561 break;
8433a509 2562 schedule_timeout_uninterruptible(1);
ef21ca24 2563 } while (time_after_eq(end_time, jiffies));
1da177e4 2564 /* FIXME: extra delay */
03c2d87a
AM		 2565 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO);
2566 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO)
ef21ca24 2567 msleep(250);
1da177e4 2568 } else {
ef21ca24
NA		 2569 end_time = jiffies + msecs_to_jiffies(100);
2570 do {
1da177e4
LT		 2571 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2572 if (val != 0xffff && (val & 1) != 0)
2573 break;
8433a509 2574 schedule_timeout_uninterruptible(1);
ef21ca24 2575 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2576 }
2577__reset_ready:
2578
2579 if (ac97->bus->ops->init)
2580 ac97->bus->ops->init(ac97);
2581
2582 if (ac97->build_ops->resume)
2583 ac97->build_ops->resume(ac97);
2584 else {
2585 snd_ac97_restore_status(ac97);
2586 snd_ac97_restore_iec958(ac97);
2587 }
2588}
7b09679c
TI		 2589
2590EXPORT_SYMBOL(snd_ac97_resume);
1da177e4
LT		 2591#endif
2592
2593
2594/*
2595 * Hardware tuning
2596 */
2597static void set_ctl_name(char *dst, const char *src, const char *suffix)
2598{
2599 if (suffix)
2600 sprintf(dst, "%s %s", src, suffix);
2601 else
2602 strcpy(dst, src);
2603}
2604
2605/* remove the control with the given name and optional suffix */
ac519028
TI		 2606static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
2607 const char *suffix)
1da177e4 2608{
ee42381e 2609 struct snd_ctl_elem_id id;
1da177e4
LT		 2610 memset(&id, 0, sizeof(id));
2611 set_ctl_name(id.name, name, suffix);
2612 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2613 return snd_ctl_remove_id(ac97->bus->card, &id);
2614}
2615
ee42381e 2616static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2617{
ee42381e 2618 struct snd_ctl_elem_id sid;
1da177e4
LT		 2619 memset(&sid, 0, sizeof(sid));
2620 set_ctl_name(sid.name, name, suffix);
2621 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2622 return snd_ctl_find_id(ac97->bus->card, &sid);
2623}
2624
2625/* rename the control with the given name and optional suffix */
ac519028
TI		 2626static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
2627 const char *dst, const char *suffix)
1da177e4 2628{
ee42381e 2629 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
1da177e4
LT		 2630 if (kctl) {
2631 set_ctl_name(kctl->id.name, dst, suffix);
2632 return 0;
2633 }
2634 return -ENOENT;
2635}
2636
2637/* rename both Volume and Switch controls - don't check the return value */
ac519028
TI		 2638static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
2639 const char *dst)
1da177e4
LT		 2640{
2641 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2642 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2643}
2644
2645/* swap controls */
ac519028
TI		 2646static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
2647 const char *s2, const char *suffix)
1da177e4 2648{
ee42381e 2649 struct snd_kcontrol *kctl1, *kctl2;
1da177e4
LT		 2650 kctl1 = ctl_find(ac97, s1, suffix);
2651 kctl2 = ctl_find(ac97, s2, suffix);
2652 if (kctl1 && kctl2) {
2653 set_ctl_name(kctl1->id.name, s2, suffix);
2654 set_ctl_name(kctl2->id.name, s1, suffix);
2655 return 0;
2656 }
2657 return -ENOENT;
2658}
2659
2660#if 1
2661/* bind hp and master controls instead of using only hp control */
ee42381e 2662static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2663{
2664 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2665 if (err > 0) {
2666 unsigned long priv_saved = kcontrol->private_value;
2667 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2668 snd_ac97_put_volsw(kcontrol, ucontrol);
2669 kcontrol->private_value = priv_saved;
2670 }
2671 return err;
2672}
2673
2674/* ac97 tune: bind Master and Headphone controls */
ee42381e 2675static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4 2676{
ee42381e
TI		 2677 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2678 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
1da177e4
LT		 2679 if (! msw || ! mvol)
2680 return -ENOENT;
2681 msw->put = bind_hp_volsw_put;
2682 mvol->put = bind_hp_volsw_put;
2683 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2684 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2685 return 0;
2686}
2687
2688#else
2689/* ac97 tune: use Headphone control as master */
ee42381e 2690static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4
LT		 2691{
2692 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2693 return -ENOENT;
2694 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2695 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2696 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2697 return 0;
2698}
2699#endif
2700
2701/* ac97 tune: swap Headphone and Master controls */
ee42381e 2702static int tune_swap_hp(struct snd_ac97 *ac97)
1da177e4
LT		 2703{
2704 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2705 return -ENOENT;
2706 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2707 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2708 return 0;
2709}
2710
2711/* ac97 tune: swap Surround and Master controls */
ee42381e 2712static int tune_swap_surround(struct snd_ac97 *ac97)
1da177e4
LT		 2713{
2714 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2715 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2716 return -ENOENT;
2717 return 0;
2718}
2719
2720/* ac97 tune: set up mic sharing for AD codecs */
ee42381e 2721static int tune_ad_sharing(struct snd_ac97 *ac97)
1da177e4
LT		 2722{
2723 unsigned short scfg;
2724 if ((ac97->id & 0xffffff00) != 0x41445300) {
2725 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2726 return -EINVAL;
2727 }
2728 /* Turn on OMS bit to route microphone to back panel */
2729 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2730 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2731 return 0;
2732}
2733
ee42381e 2734static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
1da177e4
LT		 2735AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2736
2737/* ac97 tune: set up ALC jack-select */
ee42381e 2738static int tune_alc_jack(struct snd_ac97 *ac97)
1da177e4
LT		 2739{
2740 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2741 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2742 return -EINVAL;
2743 }
2744 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2745 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
031c95d4
TI		 2746 if (ac97->id == AC97_ID_ALC658D)
2747 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
1da177e4
LT		 2748 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2749}
2750
2751/* ac97 tune: inversed EAPD bit */
ee42381e 2752static int tune_inv_eapd(struct snd_ac97 *ac97)
1da177e4 2753{
ee42381e 2754 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
1da177e4
LT		 2755 if (! kctl)
2756 return -ENOENT;
2757 set_inv_eapd(ac97, kctl);
2758 return 0;
2759}
2760
ee42381e 2761static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2762{
2763 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2764 if (err > 0) {
ee42381e 2765 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 2766 int shift = (kcontrol->private_value >> 8) & 0x0f;
2767 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2768 unsigned short mask;
2769 if (shift != rshift)
03c2d87a 2770 mask = AC97_MUTE_MASK_STEREO;
1da177e4 2771 else
03c2d87a
AM		 2772 mask = AC97_MUTE_MASK_MONO;
2773 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
1da177e4 2774 (ac97->regs[AC97_MASTER] & mask) == mask ?
03c2d87a 2775 AC97_PD_EAPD : 0);
1da177e4
LT		 2776 }
2777 return err;
2778}
2779
2780/* ac97 tune: EAPD controls mute LED bound with the master mute */
ee42381e 2781static int tune_mute_led(struct snd_ac97 *ac97)
1da177e4 2782{
ee42381e 2783 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
1da177e4
LT		 2784 if (! msw)
2785 return -ENOENT;
2786 msw->put = master_mute_sw_put;
2787 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
03c2d87a
AM		 2788 snd_ac97_update_bits(
2789 ac97, AC97_POWERDOWN,
2790 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2791 );
6dbe6628 2792 ac97->scaps |= AC97_SCAP_EAPD_LED;
1da177e4
LT		 2793 return 0;
2794}
2795
a0faefed
MG		 2796static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2797 struct snd_ctl_elem_value *ucontrol)
2798{
2799 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2800 if (err > 0) {
2801 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2802 int shift = (kcontrol->private_value >> 8) & 0x0f;
2803 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2804 unsigned short mask;
2805 if (shift != rshift)
03c2d87a 2806 mask = AC97_MUTE_MASK_STEREO;
a0faefed 2807 else
03c2d87a
AM		 2808 mask = AC97_MUTE_MASK_MONO;
2809 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
a0faefed 2810 (ac97->regs[AC97_MASTER] & mask) == mask ?
03c2d87a 2811 AC97_PD_EAPD : 0);
a0faefed
MG		 2812 }
2813 return err;
2814}
2815
2816static int tune_hp_mute_led(struct snd_ac97 *ac97)
2817{
2818 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2819 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2820 if (! msw || ! mvol)
2821 return -ENOENT;
2822 msw->put = hp_master_mute_sw_put;
2823 mvol->put = bind_hp_volsw_put;
2824 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2825 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2826 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
03c2d87a
AM		 2827 snd_ac97_update_bits(
2828 ac97, AC97_POWERDOWN,
2829 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2830 );
a0faefed
MG		 2831 return 0;
2832}
2833
1da177e4
LT		 2834struct quirk_table {
2835 const char *name;
ee42381e 2836 int (*func)(struct snd_ac97 *);
1da177e4
LT		 2837};
2838
2839static struct quirk_table applicable_quirks[] = {
2840 { "none", NULL },
2841 { "hp_only", tune_hp_only },
2842 { "swap_hp", tune_swap_hp },
2843 { "swap_surround", tune_swap_surround },
2844 { "ad_sharing", tune_ad_sharing },
2845 { "alc_jack", tune_alc_jack },
2846 { "inv_eapd", tune_inv_eapd },
2847 { "mute_led", tune_mute_led },
a0faefed 2848 { "hp_mute_led", tune_hp_mute_led },
1da177e4
LT		 2849};
2850
2851/* apply the quirk with the given type */
ee42381e 2852static int apply_quirk(struct snd_ac97 *ac97, int type)
1da177e4
LT		 2853{
2854 if (type <= 0)
2855 return 0;
2856 else if (type >= ARRAY_SIZE(applicable_quirks))
2857 return -EINVAL;
2858 if (applicable_quirks[type].func)
2859 return applicable_quirks[type].func(ac97);
2860 return 0;
2861}
2862
2863/* apply the quirk with the given name */
ee42381e 2864static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
1da177e4
LT		 2865{
2866 int i;
2867 struct quirk_table *q;
2868
2869 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2870 q = &applicable_quirks[i];
2871 if (q->name && ! strcmp(typestr, q->name))
2872 return apply_quirk(ac97, i);
2873 }
2874 /* for compatibility, accept the numbers, too */
2875 if (*typestr >= '0' && *typestr <= '9')
2876 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2877 return -EINVAL;
2878}
2879
2880/**
2881 * snd_ac97_tune_hardware - tune up the hardware
2882 * @ac97: the ac97 instance
2883 * @quirk: quirk list
2884 * @override: explicit quirk value (overrides the list if non-NULL)
2885 *
2886 * Do some workaround for each pci device, such as renaming of the
2887 * headphone (true line-out) control as "Master".
2888 * The quirk-list must be terminated with a zero-filled entry.
2889 *
eb7c06e8 2890 * Return: Zero if successful, or a negative error code on failure.
1da177e4
LT		 2891 */
2892
ee42381e 2893int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
1da177e4
LT		 2894{
2895 int result;
2896
1da177e4
LT		 2897 /* quirk overriden? */
2898 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2899 result = apply_quirk_str(ac97, override);
2900 if (result < 0)
2901 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2902 return result;
2903 }
2904
4b499486
PP		 2905 if (! quirk)
2906 return -EINVAL;
2907
69ad07cf
JK		 2908 for (; quirk->subvendor; quirk++) {
2909 if (quirk->subvendor != ac97->subsystem_vendor)
1da177e4 2910 continue;
69ad07cf
JK		 2911 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2912 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
1da177e4
LT		 2913 if (quirk->codec_id && quirk->codec_id != ac97->id)
2914 continue;
2915 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2916 result = apply_quirk(ac97, quirk->type);
2917 if (result < 0)
2918 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2919 return result;
2920 }
2921 }
2922 return 0;
2923}
2924
1da177e4 2925EXPORT_SYMBOL(snd_ac97_tune_hardware);
1da177e4
LT		 2926
2927/*
2928 * INIT part
2929 */
2930
2931static int __init alsa_ac97_init(void)
2932{
2933 return 0;
2934}
2935
2936static void __exit alsa_ac97_exit(void)
2937{
2938}
2939
2940module_init(alsa_ac97_init)
2941module_exit(alsa_ac97_exit)
kernel source for telekom puls (alcatel/mediatek)