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ALSA: via82xx_modem: Use standard printk helpers
[linux-2.6-block.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)]
dfc2cd7c 178{ 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL },
1da177e4
LT		 179{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
180{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
4b499486 181{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
9e285e1a 182{ 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL },
1da177e4 183{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
f6127efb 184{ 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL },
1da177e4
LT		 185{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
186{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
187{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
188{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
1966bbd6 189{ 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL},
1da177e4 190{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
43115f58 191{ 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL },
1da177e4
LT		 192{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
193{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
194{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
195{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
196{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
197{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
198{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
199{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
200{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
201{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
202{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
203{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
204{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
205{ 0, 0, NULL, NULL, NULL }
206};
207
1da177e4 208
6dbe6628 209static void update_power_regs(struct snd_ac97 *ac97);
f1a63a38
TI		 210#ifdef CONFIG_SND_AC97_POWER_SAVE
211#define ac97_is_power_save_mode(ac97) \
212 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
213#else
214#define ac97_is_power_save_mode(ac97) 0
215#endif
216
6dbe6628 217
1da177e4
LT		 218/*
219 * I/O routines
220 */
221
ee42381e 222static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
1da177e4 223{
1da177e4
LT		 224 /* filter some registers for buggy codecs */
225 switch (ac97->id) {
c68db717
KH		 226 case AC97_ID_ST_AC97_ID4:
227 if (reg == 0x08)
228 return 0;
229 /* fall through */
230 case AC97_ID_ST7597:
231 if (reg == 0x22 || reg == 0x7a)
232 return 1;
233 /* fall through */
1da177e4
LT		 234 case AC97_ID_AK4540:
235 case AC97_ID_AK4542:
236 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
237 return 1;
238 return 0;
239 case AC97_ID_AD1819: /* AD1819 */
240 case AC97_ID_AD1881: /* AD1881 */
241 case AC97_ID_AD1881A: /* AD1881A */
242 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
243 return 0;
244 return 1;
245 case AC97_ID_AD1885: /* AD1885 */
246 case AC97_ID_AD1886: /* AD1886 */
247 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
248 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
249 if (reg == 0x5a)
250 return 1;
251 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
252 return 0;
253 return 1;
254 case AC97_ID_STAC9700:
255 case AC97_ID_STAC9704:
256 case AC97_ID_STAC9705:
257 case AC97_ID_STAC9708:
258 case AC97_ID_STAC9721:
259 case AC97_ID_STAC9744:
260 case AC97_ID_STAC9756:
261 if (reg <= 0x3a || reg >= 0x5a)
262 return 1;
263 return 0;
264 }
265 return 1;
266}
267
268/**
269 * snd_ac97_write - write a value on the given register
270 * @ac97: the ac97 instance
271 * @reg: the register to change
272 * @value: the value to set
273 *
274 * Writes a value on the given register. This will invoke the write
275 * callback directly after the register check.
276 * This function doesn't change the register cache unlike
277 * #snd_ca97_write_cache(), so use this only when you don't want to
278 * reflect the change to the suspend/resume state.
279 */
ee42381e 280void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 281{
282 if (!snd_ac97_valid_reg(ac97, reg))
283 return;
284 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
285 /* Fix H/W bug of ALC100/100P */
286 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
287 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
288 }
289 ac97->bus->ops->write(ac97, reg, value);
290}
291
7b09679c
TI		 292EXPORT_SYMBOL(snd_ac97_write);
293
1da177e4
LT		 294/**
295 * snd_ac97_read - read a value from the given register
296 *
297 * @ac97: the ac97 instance
298 * @reg: the register to read
299 *
300 * Reads a value from the given register. This will invoke the read
301 * callback directly after the register check.
302 *
eb7c06e8 303 * Return: The read value.
1da177e4 304 */
ee42381e 305unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 306{
307 if (!snd_ac97_valid_reg(ac97, reg))
308 return 0;
309 return ac97->bus->ops->read(ac97, reg);
310}
311
312/* read a register - return the cached value if already read */
ee42381e 313static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 314{
315 if (! test_bit(reg, ac97->reg_accessed)) {
316 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
317 // set_bit(reg, ac97->reg_accessed);
318 }
319 return ac97->regs[reg];
320}
321
7b09679c
TI		 322EXPORT_SYMBOL(snd_ac97_read);
323
1da177e4
LT		 324/**
325 * snd_ac97_write_cache - write a value on the given register and update the cache
326 * @ac97: the ac97 instance
327 * @reg: the register to change
328 * @value: the value to set
329 *
330 * Writes a value on the given register and updates the register
331 * cache. The cached values are used for the cached-read and the
332 * suspend/resume.
333 */
ee42381e 334void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 335{
336 if (!snd_ac97_valid_reg(ac97, reg))
337 return;
62932df8 338 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 339 ac97->regs[reg] = value;
340 ac97->bus->ops->write(ac97, reg, value);
341 set_bit(reg, ac97->reg_accessed);
62932df8 342 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 343}
344
7b09679c
TI		 345EXPORT_SYMBOL(snd_ac97_write_cache);
346
1da177e4
LT		 347/**
348 * snd_ac97_update - update the value on the given register
349 * @ac97: the ac97 instance
350 * @reg: the register to change
351 * @value: the value to set
352 *
353 * Compares the value with the register cache and updates the value
354 * only when the value is changed.
355 *
eb7c06e8 356 * Return: 1 if the value is changed, 0 if no change, or a negative
1da177e4
LT		 357 * code on failure.
358 */
ee42381e 359int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 360{
361 int change;
362
363 if (!snd_ac97_valid_reg(ac97, reg))
364 return -EINVAL;
62932df8 365 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 366 change = ac97->regs[reg] != value;
367 if (change) {
368 ac97->regs[reg] = value;
369 ac97->bus->ops->write(ac97, reg, value);
370 }
52b72388 371 set_bit(reg, ac97->reg_accessed);
62932df8 372 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 373 return change;
374}
375
7b09679c
TI		 376EXPORT_SYMBOL(snd_ac97_update);
377
1da177e4
LT		 378/**
379 * snd_ac97_update_bits - update the bits on the given register
380 * @ac97: the ac97 instance
381 * @reg: the register to change
382 * @mask: the bit-mask to change
383 * @value: the value to set
384 *
385 * Updates the masked-bits on the given register only when the value
386 * is changed.
387 *
eb7c06e8 388 * Return: 1 if the bits are changed, 0 if no change, or a negative
1da177e4
LT		 389 * code on failure.
390 */
ee42381e 391int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
1da177e4
LT		 392{
393 int change;
394
395 if (!snd_ac97_valid_reg(ac97, reg))
396 return -EINVAL;
62932df8 397 mutex_lock(&ac97->reg_mutex);
1da177e4 398 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
62932df8 399 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 400 return change;
401}
402
7b09679c
TI		 403EXPORT_SYMBOL(snd_ac97_update_bits);
404
b833b5ec 405/* no lock version - see snd_ac97_update_bits() */
ee42381e 406int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
1da177e4
LT		 407 unsigned short mask, unsigned short value)
408{
409 int change;
410 unsigned short old, new;
411
412 old = snd_ac97_read_cache(ac97, reg);
e8bb036a 413 new = (old & ~mask) | (value & mask);
1da177e4
LT		 414 change = old != new;
415 if (change) {
416 ac97->regs[reg] = new;
417 ac97->bus->ops->write(ac97, reg, new);
418 }
52b72388 419 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 420 return change;
421}
422
ee42381e 423static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
1da177e4
LT		 424{
425 int change;
426 unsigned short old, new, cfg;
427
62932df8 428 mutex_lock(&ac97->page_mutex);
1da177e4 429 old = ac97->spec.ad18xx.pcmreg[codec];
e8bb036a 430 new = (old & ~mask) | (value & mask);
1da177e4
LT		 431 change = old != new;
432 if (change) {
62932df8 433 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 434 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
435 ac97->spec.ad18xx.pcmreg[codec] = new;
436 /* select single codec */
437 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
438 (cfg & ~0x7000) |
439 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
440 /* update PCM bits */
441 ac97->bus->ops->write(ac97, AC97_PCM, new);
442 /* select all codecs */
443 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
444 cfg | 0x7000);
62932df8 445 mutex_unlock(&ac97->reg_mutex);
1da177e4 446 }
62932df8 447 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 448 return change;
449}
450
451/*
452 * Controls
453 */
454
ac519028
TI		 455static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
456 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 457{
458 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
459
460 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
461 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
462 uinfo->value.enumerated.items = e->mask;
463
464 if (uinfo->value.enumerated.item > e->mask - 1)
465 uinfo->value.enumerated.item = e->mask - 1;
466 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
467 return 0;
468}
469
ac519028
TI		 470static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
471 struct snd_ctl_elem_value *ucontrol)
1da177e4 472{
ee42381e 473 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 474 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 475 unsigned short val, bitmask;
1da177e4 476
b16760bb 477 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 478 ;
1da177e4 479 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 480 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 481 if (e->shift_l != e->shift_r)
5f0dccf8 482 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 483
484 return 0;
485}
486
ac519028
TI		 487static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
488 struct snd_ctl_elem_value *ucontrol)
1da177e4 489{
ee42381e 490 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 491 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
492 unsigned short val;
5f0dccf8 493 unsigned short mask, bitmask;
1da177e4 494
b16760bb 495 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 496 ;
1da177e4
LT		 497 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
498 return -EINVAL;
499 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 500 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 501 if (e->shift_l != e->shift_r) {
502 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
503 return -EINVAL;
504 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 505 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 506 }
507 return snd_ac97_update_bits(ac97, e->reg, mask, val);
508}
509
510/* save/restore ac97 v2.3 paging */
ee42381e 511static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
1da177e4
LT		 512{
513 int page_save = -1;
514 if ((kcontrol->private_value & (1<<25)) &&
515 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
516 (reg >= 0x60 && reg < 0x70)) {
517 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
62932df8 518 mutex_lock(&ac97->page_mutex); /* lock paging */
1da177e4
LT		 519 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
520 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
521 }
522 return page_save;
523}
524
ee42381e 525static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
1da177e4
LT		 526{
527 if (page_save >= 0) {
528 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
62932df8 529 mutex_unlock(&ac97->page_mutex); /* unlock paging */
1da177e4
LT		 530 }
531}
532
533/* volume and switch controls */
ac519028
TI		 534static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
535 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 536{
537 int mask = (kcontrol->private_value >> 16) & 0xff;
538 int shift = (kcontrol->private_value >> 8) & 0x0f;
539 int rshift = (kcontrol->private_value >> 12) & 0x0f;
540
541 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
542 uinfo->count = shift == rshift ? 1 : 2;
543 uinfo->value.integer.min = 0;
544 uinfo->value.integer.max = mask;
545 return 0;
546}
547
ac519028
TI		 548static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
549 struct snd_ctl_elem_value *ucontrol)
1da177e4 550{
ee42381e 551 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 552 int reg = kcontrol->private_value & 0xff;
553 int shift = (kcontrol->private_value >> 8) & 0x0f;
554 int rshift = (kcontrol->private_value >> 12) & 0x0f;
555 int mask = (kcontrol->private_value >> 16) & 0xff;
556 int invert = (kcontrol->private_value >> 24) & 0x01;
557 int page_save;
558
559 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
560 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
561 if (shift != rshift)
562 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
563 if (invert) {
564 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
565 if (shift != rshift)
566 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
567 }
568 snd_ac97_page_restore(ac97, page_save);
569 return 0;
570}
571
ac519028
TI		 572static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
573 struct snd_ctl_elem_value *ucontrol)
1da177e4 574{
ee42381e 575 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 576 int reg = kcontrol->private_value & 0xff;
577 int shift = (kcontrol->private_value >> 8) & 0x0f;
578 int rshift = (kcontrol->private_value >> 12) & 0x0f;
579 int mask = (kcontrol->private_value >> 16) & 0xff;
580 int invert = (kcontrol->private_value >> 24) & 0x01;
581 int err, page_save;
582 unsigned short val, val2, val_mask;
583
584 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
585 val = (ucontrol->value.integer.value[0] & mask);
586 if (invert)
587 val = mask - val;
588 val_mask = mask << shift;
589 val = val << shift;
590 if (shift != rshift) {
591 val2 = (ucontrol->value.integer.value[1] & mask);
592 if (invert)
593 val2 = mask - val2;
594 val_mask |= mask << rshift;
595 val |= val2 << rshift;
596 }
597 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
598 snd_ac97_page_restore(ac97, page_save);
6dbe6628
TI		 599#ifdef CONFIG_SND_AC97_POWER_SAVE
600 /* check analog mixer power-down */
03c2d87a 601 if ((val_mask & AC97_PD_EAPD) &&
6dbe6628 602 (kcontrol->private_value & (1<<30))) {
03c2d87a 603 if (val & AC97_PD_EAPD)
6dbe6628
TI		 604 ac97->power_up &= ~(1 << (reg>>1));
605 else
606 ac97->power_up |= 1 << (reg>>1);
da43deb1 607 update_power_regs(ac97);
6dbe6628
TI		 608 }
609#endif
1da177e4
LT		 610 return err;
611}
612
ee42381e 613static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
1da177e4
LT		 614AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
615AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
616};
617
ee42381e 618static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
1da177e4
LT		 619AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
620AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
621};
622
ee42381e 623static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
d355c82a
JK		 624AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
625AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1)
1da177e4
LT		 626};
627
ee42381e 628static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
7931e2a9 629 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
1da177e4
LT		 630
631
632static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
633static const char* std_3d_path[] = {"pre 3D", "post 3D"};
634static const char* std_mix[] = {"Mix", "Mic"};
635static const char* std_mic[] = {"Mic1", "Mic2"};
636
637static const struct ac97_enum std_enum[] = {
638AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
639AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
640AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
641AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
642};
643
ee42381e 644static const struct snd_kcontrol_new snd_ac97_control_capture_src =
1da177e4
LT		 645AC97_ENUM("Capture Source", std_enum[0]);
646
ee42381e 647static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
1da177e4
LT		 648AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
649
ee42381e 650static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
1da177e4
LT		 651AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
652AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
653};
654
ee42381e 655enum {
1da177e4
LT		 656 AC97_GENERAL_PCM_OUT = 0,
657 AC97_GENERAL_STEREO_ENHANCEMENT,
658 AC97_GENERAL_3D,
659 AC97_GENERAL_LOUDNESS,
660 AC97_GENERAL_MONO,
661 AC97_GENERAL_MIC,
662 AC97_GENERAL_LOOPBACK
ee42381e 663};
1da177e4 664
ee42381e 665static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
1da177e4
LT		 666AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
667AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
668AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
669AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
670AC97_ENUM("Mono Output Select", std_enum[2]),
7931e2a9 671AC97_ENUM("Mic Select", std_enum[3]),
1da177e4
LT		 672AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
673};
674
ac519028 675static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
1da177e4
LT		 676AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
677AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
678};
679
ee42381e 680static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
1da177e4
LT		 681AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
682AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
683};
684
ee42381e 685static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
1da177e4
LT		 686AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
687AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
688};
689
ee42381e 690static const struct snd_kcontrol_new snd_ac97_control_eapd =
1da177e4
LT		 691AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
692
ee42381e 693static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
87d61c29
SK		 694AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
695AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
696};
697
1da177e4 698/* change the existing EAPD control as inverted */
ee42381e 699static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
1da177e4
LT		 700{
701 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
702 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
703 ac97->scaps |= AC97_SCAP_INV_EAPD;
704}
705
ee42381e 706static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 707{
708 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
709 uinfo->count = 1;
710 return 0;
711}
712
ee42381e 713static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 714{
715 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
716 IEC958_AES0_NONAUDIO |
717 IEC958_AES0_CON_EMPHASIS_5015 |
718 IEC958_AES0_CON_NOT_COPYRIGHT;
719 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
720 IEC958_AES1_CON_ORIGINAL;
721 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
722 return 0;
723}
724
ee42381e 725static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 726{
727 /* FIXME: AC'97 spec doesn't say which bits are used for what */
728 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
729 IEC958_AES0_NONAUDIO |
730 IEC958_AES0_PRO_FS |
731 IEC958_AES0_PRO_EMPHASIS_5015;
732 return 0;
733}
734
ee42381e 735static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 736{
ee42381e 737 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 738
62932df8 739 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 740 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
741 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
742 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
743 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
62932df8 744 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 745 return 0;
746}
747
ee42381e 748static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 749{
ee42381e 750 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 751 unsigned int new = 0;
752 unsigned short val = 0;
753 int change;
754
755 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
756 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
757 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
758 switch (new & IEC958_AES0_PRO_FS) {
759 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
760 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
761 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
762 default: val |= 1<<12; break;
763 }
764 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
765 val |= 1<<3;
766 } else {
767 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
768 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
769 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
770 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
771 val |= 1<<3;
772 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
773 val |= 1<<2;
774 val |= ((new >> 8) & 0xff) << 4; // category + original
775 switch ((new >> 24) & 0xff) {
776 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
777 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
778 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
779 default: val |= 1<<12; break;
780 }
781 }
782
62932df8 783 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 784 change = ac97->spdif_status != new;
785 ac97->spdif_status = new;
786
787 if (ac97->flags & AC97_CS_SPDIF) {
788 int x = (val >> 12) & 0x03;
789 switch (x) {
790 case 0: x = 1; break; // 44.1
791 case 2: x = 0; break; // 48.0
792 default: x = 0; break; // illegal.
793 }
794 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
795 } else if (ac97->flags & AC97_CX_SPDIF) {
796 int v;
797 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
798 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
799 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
800 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
801 v);
43115f58
KM		 802 } else if (ac97->id == AC97_ID_YMF743) {
803 change |= snd_ac97_update_bits_nolock(ac97,
804 AC97_YMF7X3_DIT_CTRL,
805 0xff38,
806 ((val << 4) & 0xff00) |
807 ((val << 2) & 0x0038));
1da177e4
LT		 808 } else {
809 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
810 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
811
812 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
813 if (extst & AC97_EA_SPDIF) {
814 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
815 }
816 }
62932df8 817 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 818
819 return change;
820}
821
ee42381e 822static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 823{
ee42381e 824 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 825 int reg = kcontrol->private_value & 0xff;
826 int shift = (kcontrol->private_value >> 8) & 0xff;
827 int mask = (kcontrol->private_value >> 16) & 0xff;
828 // int invert = (kcontrol->private_value >> 24) & 0xff;
829 unsigned short value, old, new;
830 int change;
831
832 value = (ucontrol->value.integer.value[0] & mask);
833
62932df8 834 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 835 mask <<= shift;
836 value <<= shift;
837 old = snd_ac97_read_cache(ac97, reg);
838 new = (old & ~mask) | value;
839 change = old != new;
840
841 if (change) {
842 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
843 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
844 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
845 if (extst & AC97_EA_SPDIF)
846 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
847 }
62932df8 848 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 849 return change;
850}
851
ac519028 852static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
1da177e4
LT		 853 {
854 .access = SNDRV_CTL_ELEM_ACCESS_READ,
855 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
856 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
857 .info = snd_ac97_spdif_mask_info,
858 .get = snd_ac97_spdif_cmask_get,
859 },
860 {
861 .access = SNDRV_CTL_ELEM_ACCESS_READ,
862 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
863 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
864 .info = snd_ac97_spdif_mask_info,
865 .get = snd_ac97_spdif_pmask_get,
866 },
867 {
868 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
869 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
870 .info = snd_ac97_spdif_mask_info,
871 .get = snd_ac97_spdif_default_get,
872 .put = snd_ac97_spdif_default_put,
873 },
874
875 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
876 {
877 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
878 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
879 .info = snd_ac97_info_volsw,
880 .get = snd_ac97_get_volsw,
881 .put = snd_ac97_put_spsa,
882 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
883 },
884};
885
886#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
887{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
888 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
889 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
890
ee42381e 891static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4 892{
ee42381e 893 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 894 int mask = (kcontrol->private_value >> 16) & 0x0f;
895 int lshift = (kcontrol->private_value >> 8) & 0x0f;
896 int rshift = (kcontrol->private_value >> 12) & 0x0f;
897
898 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
899 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
900 uinfo->count = 2;
901 else
902 uinfo->count = 1;
903 uinfo->value.integer.min = 0;
904 uinfo->value.integer.max = mask;
905 return 0;
906}
907
ee42381e 908static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 909{
ee42381e 910 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 911 int codec = kcontrol->private_value & 3;
912 int lshift = (kcontrol->private_value >> 8) & 0x0f;
913 int rshift = (kcontrol->private_value >> 12) & 0x0f;
914 int mask = (kcontrol->private_value >> 16) & 0xff;
915
916 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
917 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
918 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
919 return 0;
920}
921
ee42381e 922static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 923{
ee42381e 924 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 925 int codec = kcontrol->private_value & 3;
926 int lshift = (kcontrol->private_value >> 8) & 0x0f;
927 int rshift = (kcontrol->private_value >> 12) & 0x0f;
928 int mask = (kcontrol->private_value >> 16) & 0xff;
929 unsigned short val, valmask;
930
931 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
932 valmask = mask << lshift;
933 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
934 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
935 valmask |= mask << rshift;
936 }
937 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
938}
939
940#define AD18XX_PCM_VOLUME(xname, codec) \
941{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
942 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
943 .private_value = codec }
944
ee42381e 945static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 946{
947 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
948 uinfo->count = 2;
949 uinfo->value.integer.min = 0;
950 uinfo->value.integer.max = 31;
951 return 0;
952}
953
ee42381e 954static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 955{
ee42381e 956 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 957 int codec = kcontrol->private_value & 3;
958
62932df8 959 mutex_lock(&ac97->page_mutex);
1da177e4
LT		 960 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
961 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
62932df8 962 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 963 return 0;
964}
965
ee42381e 966static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 967{
ee42381e 968 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 969 int codec = kcontrol->private_value & 3;
970 unsigned short val1, val2;
971
972 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
973 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
974 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
975}
976
ee42381e 977static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
1da177e4
LT		 978AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
979AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
980};
981
ee42381e 982static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
1da177e4
LT		 983AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
984AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
985};
986
ee42381e 987static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
1da177e4
LT		 988AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
989AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
990};
991
ee42381e 992static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
1da177e4
LT		 993AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
994AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
995};
996
997/*
998 *
999 */
1000
ee42381e 1001static void snd_ac97_powerdown(struct snd_ac97 *ac97);
1da177e4 1002
ee42381e 1003static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
1da177e4
LT		 1004{
1005 if (bus) {
1006 snd_ac97_bus_proc_done(bus);
1007 kfree(bus->pcms);
1008 if (bus->private_free)
1009 bus->private_free(bus);
1010 kfree(bus);
1011 }
1012 return 0;
1013}
1014
ee42381e 1015static int snd_ac97_bus_dev_free(struct snd_device *device)
1da177e4 1016{
ee42381e 1017 struct snd_ac97_bus *bus = device->device_data;
1da177e4
LT		 1018 return snd_ac97_bus_free(bus);
1019}
1020
ee42381e 1021static int snd_ac97_free(struct snd_ac97 *ac97)
1da177e4
LT		 1022{
1023 if (ac97) {
6dbe6628 1024#ifdef CONFIG_SND_AC97_POWER_SAVE
5b84ba26 1025 cancel_delayed_work_sync(&ac97->power_work);
6dbe6628 1026#endif
1da177e4 1027 snd_ac97_proc_done(ac97);
2ba71978 1028 if (ac97->bus)
1da177e4 1029 ac97->bus->codec[ac97->num] = NULL;
1da177e4
LT		 1030 if (ac97->private_free)
1031 ac97->private_free(ac97);
1032 kfree(ac97);
1033 }
1034 return 0;
1035}
1036
ee42381e 1037static int snd_ac97_dev_free(struct snd_device *device)
1da177e4 1038{
ee42381e 1039 struct snd_ac97 *ac97 = device->device_data;
1da177e4
LT		 1040 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1041 return snd_ac97_free(ac97);
1042}
1043
ee42381e 1044static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1da177e4 1045{
03c2d87a 1046 unsigned short val, mask = AC97_MUTE_MASK_MONO;
1da177e4
LT		 1047
1048 if (! snd_ac97_valid_reg(ac97, reg))
1049 return 0;
1050
1051 switch (reg) {
1052 case AC97_MASTER_TONE:
03c2d87a 1053 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0;
1da177e4 1054 case AC97_HEADPHONE:
03c2d87a 1055 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0;
1da177e4 1056 case AC97_REC_GAIN_MIC:
03c2d87a 1057 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0;
1da177e4 1058 case AC97_3D_CONTROL:
03c2d87a 1059 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) {
1da177e4
LT		 1060 val = snd_ac97_read(ac97, reg);
1061 /* if nonzero - fixed and we can't set it */
1062 return val == 0;
1063 }
1064 return 0;
1065 case AC97_CENTER_LFE_MASTER: /* center */
1066 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1067 return 0;
1068 break;
1069 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1070 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1071 return 0;
1072 reg = AC97_CENTER_LFE_MASTER;
1073 mask = 0x0080;
1074 break;
1075 case AC97_SURROUND_MASTER:
1076 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1077 return 0;
1078 break;
1079 }
1080
1da177e4
LT		 1081 val = snd_ac97_read(ac97, reg);
1082 if (!(val & mask)) {
1083 /* nothing seems to be here - mute flag is not set */
1084 /* try another test */
1085 snd_ac97_write_cache(ac97, reg, val | mask);
1086 val = snd_ac97_read(ac97, reg);
ee42381e 1087 val = snd_ac97_read(ac97, reg);
1da177e4
LT		 1088 if (!(val & mask))
1089 return 0; /* nothing here */
1090 }
1091 return 1; /* success, useable */
1092}
1093
ee42381e 1094static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1da177e4
LT		 1095{
1096 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1097 unsigned char max[3] = { 63, 31, 15 };
1098 int i;
1099
50dabc2d
TI		 1100 /* first look up the static resolution table */
1101 if (ac97->res_table) {
1102 const struct snd_ac97_res_table *tbl;
1103 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1104 if (tbl->reg == reg) {
1105 *lo_max = tbl->bits & 0xff;
1106 *hi_max = (tbl->bits >> 8) & 0xff;
1107 return;
1108 }
1109 }
1110 }
1111
1da177e4
LT		 1112 *lo_max = *hi_max = 0;
1113 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1114 unsigned short val;
03c2d87a
AM		 1115 snd_ac97_write(
1116 ac97, reg,
1117 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8)
1118 );
c9eab129 1119 /* Do the read twice due to buffers on some ac97 codecs.
59c51591 1120 * e.g. The STAC9704 returns exactly what you wrote to the register
c9eab129
JCD		 1121 * if you read it immediately. This causes the detect routine to fail.
1122 */
1123 val = snd_ac97_read(ac97, reg);
1da177e4 1124 val = snd_ac97_read(ac97, reg);
a2142674 1125 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1126 *lo_max = max[i];
a2142674 1127 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1128 *hi_max = max[i];
1129 if (*lo_max && *hi_max)
1130 break;
1131 }
1132}
1133
ac519028 1134static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1da177e4
LT		 1135{
1136 unsigned short mask, val, orig, res;
1137
1138 mask = 1 << bit;
1139 orig = snd_ac97_read(ac97, reg);
1140 val = orig ^ mask;
1141 snd_ac97_write(ac97, reg, val);
1142 res = snd_ac97_read(ac97, reg);
1143 snd_ac97_write_cache(ac97, reg, orig);
1144 return res == val;
1145}
1146
1147/* check the volume resolution of center/lfe */
ee42381e 1148static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1da177e4
LT		 1149{
1150 unsigned short val, val1;
1151
1152 *max = 63;
03c2d87a 1153 val = AC97_MUTE_MASK_STEREO | (0x20 << shift);
1da177e4
LT		 1154 snd_ac97_write(ac97, reg, val);
1155 val1 = snd_ac97_read(ac97, reg);
1156 if (val != val1) {
1157 *max = 31;
1158 }
1159 /* reset volume to zero */
03c2d87a 1160 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO);
1da177e4
LT		 1161}
1162
1163static inline int printable(unsigned int x)
1164{
1165 x &= 0xff;
1166 if (x < ' ' || x >= 0x71) {
1167 if (x <= 0x89)
1168 return x - 0x71 + 'A';
1169 return '?';
1170 }
1171 return x;
1172}
1173
ac519028
TI		 1174static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
1175 struct snd_ac97 * ac97)
1da177e4 1176{
ee42381e 1177 struct snd_kcontrol_new template;
1da177e4 1178 memcpy(&template, _template, sizeof(template));
1da177e4
LT		 1179 template.index = ac97->num;
1180 return snd_ctl_new1(&template, ac97);
1181}
1182
1183/*
1184 * create mute switch(es) for normal stereo controls
1185 */
6dbe6628
TI		 1186static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1187 int check_stereo, int check_amix,
1188 struct snd_ac97 *ac97)
1da177e4 1189{
ee42381e 1190 struct snd_kcontrol *kctl;
1da177e4
LT		 1191 int err;
1192 unsigned short val, val1, mute_mask;
1193
1194 if (! snd_ac97_valid_reg(ac97, reg))
1195 return 0;
1196
03c2d87a 1197 mute_mask = AC97_MUTE_MASK_MONO;
1da177e4
LT		 1198 val = snd_ac97_read(ac97, reg);
1199 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1200 /* check whether both mute bits work */
03c2d87a 1201 val1 = val | AC97_MUTE_MASK_STEREO;
1da177e4
LT		 1202 snd_ac97_write(ac97, reg, val1);
1203 if (val1 == snd_ac97_read(ac97, reg))
03c2d87a 1204 mute_mask = AC97_MUTE_MASK_STEREO;
1da177e4 1205 }
03c2d87a 1206 if (mute_mask == AC97_MUTE_MASK_STEREO) {
ee42381e 1207 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
6dbe6628
TI		 1208 if (check_amix)
1209 tmp.private_value |= (1 << 30);
1da177e4
LT		 1210 tmp.index = ac97->num;
1211 kctl = snd_ctl_new1(&tmp, ac97);
1212 } else {
ee42381e 1213 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
6dbe6628
TI		 1214 if (check_amix)
1215 tmp.private_value |= (1 << 30);
1da177e4
LT		 1216 tmp.index = ac97->num;
1217 kctl = snd_ctl_new1(&tmp, ac97);
1218 }
1219 err = snd_ctl_add(card, kctl);
1220 if (err < 0)
1221 return err;
1222 /* mute as default */
1223 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1224 return 0;
1225}
1226
2f3482fb
TI		 1227/*
1228 * set dB information
1229 */
0cb29ea0
TI		 1230static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1231static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1232static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1233static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1234static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
2f3482fb 1235
0cb29ea0 1236static const unsigned int *find_db_scale(unsigned int maxval)
2f3482fb
TI		 1237{
1238 switch (maxval) {
1239 case 0x0f: return db_scale_4bit;
1240 case 0x1f: return db_scale_5bit;
1241 case 0x3f: return db_scale_6bit;
1242 }
1243 return NULL;
1244}
1245
0cb29ea0
TI		 1246static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1247{
2f3482fb
TI		 1248 kctl->tlv.p = tlv;
1249 if (tlv)
1250 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1251}
1252
1da177e4
LT		 1253/*
1254 * create a volume for normal stereo/mono controls
1255 */
ee42381e
TI		 1256static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1257 unsigned int hi_max, struct snd_ac97 *ac97)
1da177e4
LT		 1258{
1259 int err;
ee42381e 1260 struct snd_kcontrol *kctl;
1da177e4
LT		 1261
1262 if (! snd_ac97_valid_reg(ac97, reg))
1263 return 0;
1264 if (hi_max) {
1265 /* invert */
ee42381e 1266 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1da177e4
LT		 1267 tmp.index = ac97->num;
1268 kctl = snd_ctl_new1(&tmp, ac97);
1269 } else {
1270 /* invert */
ee42381e 1271 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1da177e4
LT		 1272 tmp.index = ac97->num;
1273 kctl = snd_ctl_new1(&tmp, ac97);
1274 }
733a48e5
TI		 1275 if (!kctl)
1276 return -ENOMEM;
2f3482fb
TI		 1277 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1278 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1279 else
1280 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1da177e4
LT		 1281 err = snd_ctl_add(card, kctl);
1282 if (err < 0)
1283 return err;
03c2d87a
AM		 1284 snd_ac97_write_cache(
1285 ac97, reg,
1286 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO)
1287 | lo_max | (hi_max << 8)
1288 );
1da177e4
LT		 1289 return 0;
1290}
1291
1292/*
1293 * create a mute-switch and a volume for normal stereo/mono controls
1294 */
6dbe6628
TI		 1295static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1296 int reg, int check_stereo, int check_amix,
1297 struct snd_ac97 *ac97)
1da177e4
LT		 1298{
1299 int err;
975cc02a 1300 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
1da177e4
LT		 1301 unsigned char lo_max, hi_max;
1302
1303 if (! snd_ac97_valid_reg(ac97, reg))
1304 return 0;
1305
1306 if (snd_ac97_try_bit(ac97, reg, 15)) {
1307 sprintf(name, "%s Switch", pfx);
6dbe6628
TI		 1308 if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1309 check_stereo, check_amix,
1310 ac97)) < 0)
1da177e4
LT		 1311 return err;
1312 }
1313 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1314 if (lo_max) {
1315 sprintf(name, "%s Volume", pfx);
1316 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1317 return err;
1318 }
1319 return 0;
1320}
1321
6dbe6628
TI		 1322#define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1323 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1324#define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1325 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1da177e4 1326
ee42381e 1327static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1da177e4 1328
ee42381e 1329static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1da177e4 1330{
ee42381e
TI		 1331 struct snd_card *card = ac97->bus->card;
1332 struct snd_kcontrol *kctl;
1da177e4
LT		 1333 int err;
1334 unsigned int idx;
1335 unsigned char max;
1336
1337 /* build master controls */
1338 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1339 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1340 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
6dbe6628
TI		 1341 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1342 AC97_MASTER, 0, ac97);
1da177e4 1343 else
6dbe6628
TI		 1344 err = snd_ac97_cmix_new(card, "Master Playback",
1345 AC97_MASTER, 0, ac97);
1da177e4
LT		 1346 if (err < 0)
1347 return err;
1348 }
1349
03c2d87a 1350 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO;
1da177e4
LT		 1351
1352 /* build center controls */
70c5acbd
JK		 1353 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1354 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4
LT		 1355 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1356 return err;
1357 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1358 return err;
1359 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1360 kctl->private_value &= ~(0xff << 16);
1361 kctl->private_value |= (int)max << 16;
2f3482fb 1362 set_tlv_db_scale(kctl, find_db_scale(max));
1da177e4
LT		 1363 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1364 }
1365
1366 /* build LFE controls */
70c5acbd
JK		 1367 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1368 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4
LT		 1369 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1370 return err;
1371 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1372 return err;
1373 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1374 kctl->private_value &= ~(0xff << 16);
1375 kctl->private_value |= (int)max << 16;
2f3482fb 1376 set_tlv_db_scale(kctl, find_db_scale(max));
1da177e4
LT		 1377 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1378 }
1379
1380 /* build surround controls */
70c5acbd
JK		 1381 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1382 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4 1383 /* Surround Master (0x38) is with stereo mutes */
6dbe6628
TI		 1384 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1385 AC97_SURROUND_MASTER, 1, 0,
1386 ac97)) < 0)
1da177e4
LT		 1387 return err;
1388 }
1389
1390 /* build headphone controls */
1391 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
6dbe6628
TI		 1392 if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1393 AC97_HEADPHONE, 0, ac97)) < 0)
1da177e4
LT		 1394 return err;
1395 }
1396
1397 /* build master mono controls */
1398 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
6dbe6628
TI		 1399 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1400 AC97_MASTER_MONO, 0, ac97)) < 0)
1da177e4
LT		 1401 return err;
1402 }
1403
1404 /* build master tone controls */
3998b70f
LG		 1405 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1406 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1407 for (idx = 0; idx < 2; idx++) {
1408 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1409 return err;
43115f58
KM		 1410 if (ac97->id == AC97_ID_YMF743 ||
1411 ac97->id == AC97_ID_YMF753) {
3998b70f
LG		 1412 kctl->private_value &= ~(0xff << 16);
1413 kctl->private_value |= 7 << 16;
1414 }
1da177e4 1415 }
3998b70f 1416 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1da177e4 1417 }
1da177e4
LT		 1418 }
1419
d355c82a 1420 /* build Beep controls */
1da177e4
LT		 1421 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1422 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1423 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1424 for (idx = 0; idx < 2; idx++)
2f3482fb 1425 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1da177e4 1426 return err;
2f3482fb 1427 set_tlv_db_scale(kctl, db_scale_4bit);
03c2d87a
AM		 1428 snd_ac97_write_cache(
1429 ac97,
1430 AC97_PC_BEEP,
1431 (snd_ac97_read(ac97, AC97_PC_BEEP)
1432 | AC97_MUTE_MASK_MONO | 0x001e)
1433 );
1da177e4
LT		 1434 }
1435
1436 /* build Phone controls */
1437 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1438 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
6dbe6628
TI		 1439 if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1440 AC97_PHONE, 1, ac97)) < 0)
1da177e4
LT		 1441 return err;
1442 }
1443 }
1444
1445 /* build MIC controls */
3998b70f
LG		 1446 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1447 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
6dbe6628
TI		 1448 if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1449 AC97_MIC, 1, ac97)) < 0)
3998b70f
LG		 1450 return err;
1451 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1452 return err;
1453 }
1da177e4
LT		 1454 }
1455
1456 /* build Line controls */
1457 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
6dbe6628
TI		 1458 if ((err = snd_ac97_cmix_new(card, "Line Playback",
1459 AC97_LINE, 1, ac97)) < 0)
1da177e4
LT		 1460 return err;
1461 }
1462
1463 /* build CD controls */
1464 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1465 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
6dbe6628
TI		 1466 if ((err = snd_ac97_cmix_new(card, "CD Playback",
1467 AC97_CD, 1, ac97)) < 0)
1da177e4
LT		 1468 return err;
1469 }
1470 }
1471
1472 /* build Video controls */
1473 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1474 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
6dbe6628
TI		 1475 if ((err = snd_ac97_cmix_new(card, "Video Playback",
1476 AC97_VIDEO, 1, ac97)) < 0)
1da177e4
LT		 1477 return err;
1478 }
1479 }
1480
1481 /* build Aux controls */
1459c784
RG		 1482 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1483 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
6dbe6628
TI		 1484 if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1485 AC97_AUX, 1, ac97)) < 0)
1459c784
RG		 1486 return err;
1487 }
1da177e4
LT		 1488 }
1489
1490 /* build PCM controls */
1491 if (ac97->flags & AC97_AD_MULTI) {
1492 unsigned short init_val;
1493 if (ac97->flags & AC97_STEREO_MUTES)
1494 init_val = 0x9f9f;
1495 else
1496 init_val = 0x9f1f;
1497 for (idx = 0; idx < 2; idx++)
2f3482fb 1498 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1da177e4 1499 return err;
2f3482fb 1500 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1501 ac97->spec.ad18xx.pcmreg[0] = init_val;
1502 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1503 for (idx = 0; idx < 2; idx++)
2f3482fb 1504 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1da177e4 1505 return err;
2f3482fb 1506 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1507 ac97->spec.ad18xx.pcmreg[1] = init_val;
1508 }
1509 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1510 for (idx = 0; idx < 2; idx++)
2f3482fb 1511 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1da177e4 1512 return err;
2f3482fb 1513 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4 1514 for (idx = 0; idx < 2; idx++)
2f3482fb 1515 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1da177e4 1516 return err;
2f3482fb 1517 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1518 ac97->spec.ad18xx.pcmreg[2] = init_val;
1519 }
1520 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1521 } else {
3998b70f
LG		 1522 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1523 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
6dbe6628
TI		 1524 err = snd_ac97_cmute_new(card,
1525 "PCM Playback Switch",
1526 AC97_PCM, 0, ac97);
3998b70f 1527 else
6dbe6628
TI		 1528 err = snd_ac97_cmix_new(card, "PCM Playback",
1529 AC97_PCM, 0, ac97);
3998b70f
LG		 1530 if (err < 0)
1531 return err;
1532 }
1da177e4
LT		 1533 }
1534
1535 /* build Capture controls */
1536 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1537 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1538 return err;
1539 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
6dbe6628
TI		 1540 err = snd_ac97_cmute_new(card, "Capture Switch",
1541 AC97_REC_GAIN, 0, ac97);
1542 if (err < 0)
1da177e4
LT		 1543 return err;
1544 }
2f3482fb 1545 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1da177e4 1546 return err;
2f3482fb 1547 set_tlv_db_scale(kctl, db_scale_rec_gain);
1da177e4
LT		 1548 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1549 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1550 }
1551 /* build MIC Capture controls */
1552 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1553 for (idx = 0; idx < 2; idx++)
2f3482fb 1554 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1da177e4 1555 return err;
2f3482fb 1556 set_tlv_db_scale(kctl, db_scale_rec_gain);
1da177e4
LT		 1557 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1558 }
1559
1560 /* build PCM out path & mute control */
1561 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1562 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1563 return err;
1564 }
1565
1566 /* build Simulated Stereo Enhancement control */
03c2d87a 1567 if (ac97->caps & AC97_BC_SIM_STEREO) {
1da177e4
LT		 1568 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1569 return err;
1570 }
1571
1572 /* build 3D Stereo Enhancement control */
1573 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1574 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1575 return err;
1576 }
1577
1578 /* build Loudness control */
03c2d87a 1579 if (ac97->caps & AC97_BC_LOUDNESS) {
1da177e4
LT		 1580 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1581 return err;
1582 }
1583
1584 /* build Mono output select control */
1585 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1586 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1587 return err;
1588 }
1589
1590 /* build Mic select control */
1591 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1592 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1593 return err;
1594 }
1595
1596 /* build ADC/DAC loopback control */
1597 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1598 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1599 return err;
1600 }
1601
1602 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1603
1604 /* build 3D controls */
1605 if (ac97->build_ops->build_3d) {
1606 ac97->build_ops->build_3d(ac97);
1607 } else {
1608 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1609 unsigned short val;
1610 val = 0x0707;
1611 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1612 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1613 val = val == 0x0606;
1614 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1615 return err;
1616 if (val)
1617 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1618 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1619 return err;
1620 if (val)
1621 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1622 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1623 }
1624 }
1625
1626 /* build S/PDIF controls */
7b89190c
MS		 1627
1628 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1629 if (ac97->subsystem_vendor == 0x1043 &&
1630 ac97->subsystem_device == 0x810f)
1631 ac97->ext_id |= AC97_EI_SPDIF;
1632
1da177e4
LT		 1633 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1634 if (ac97->build_ops->build_spdif) {
1635 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1636 return err;
1637 } else {
1638 for (idx = 0; idx < 5; idx++)
1639 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1640 return err;
1641 if (ac97->build_ops->build_post_spdif) {
1642 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1643 return err;
1644 }
1645 /* set default PCM S/PDIF params */
1646 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1647 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1648 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1649 }
1650 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1651 }
1652
1653 /* build chip specific controls */
1654 if (ac97->build_ops->build_specific)
1655 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1656 return err;
1657
1658 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1659 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1660 if (! kctl)
1661 return -ENOMEM;
1662 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1663 set_inv_eapd(ac97, kctl);
1664 if ((err = snd_ctl_add(card, kctl)) < 0)
1665 return err;
1666 }
1667
1668 return 0;
1669}
1670
ee42381e 1671static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1da177e4 1672{
87d61c29
SK		 1673 int err, idx;
1674
ee419653
TI		 1675 /*
1676 printk(KERN_DEBUG "AC97_GPIO_CFG = %x\n",
1677 snd_ac97_read(ac97,AC97_GPIO_CFG));
1678 */
1da177e4
LT		 1679 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1680 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1681 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1682 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1683 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1684
1685 /* build modem switches */
1686 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
0444e2ac 1687 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
87d61c29
SK		 1688 return err;
1689
1690 /* build chip specific controls */
1691 if (ac97->build_ops->build_specific)
1692 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1693 return err;
1694
1da177e4
LT		 1695 return 0;
1696}
1697
ee42381e 1698static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1da177e4
LT		 1699{
1700 unsigned short val;
1701 unsigned int tmp;
1702
1703 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1704 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1705 if (shadow_reg)
1706 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1707 val = snd_ac97_read(ac97, reg);
1708 return val == (tmp & 0xffff);
1709}
1710
ee42381e 1711static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1da177e4
LT		 1712{
1713 unsigned int result = 0;
1714 unsigned short saved;
1715
1716 if (ac97->bus->no_vra) {
1717 *r_result = SNDRV_PCM_RATE_48000;
1718 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1719 reg == AC97_PCM_FRONT_DAC_RATE)
1720 *r_result |= SNDRV_PCM_RATE_96000;
1721 return;
1722 }
1723
1724 saved = snd_ac97_read(ac97, reg);
1725 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1726 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1727 AC97_EA_DRA, 0);
1728 /* test a non-standard rate */
1729 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1730 result |= SNDRV_PCM_RATE_CONTINUOUS;
1731 /* let's try to obtain standard rates */
1732 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1733 result |= SNDRV_PCM_RATE_8000;
1734 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1735 result |= SNDRV_PCM_RATE_11025;
1736 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1737 result |= SNDRV_PCM_RATE_16000;
1738 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1739 result |= SNDRV_PCM_RATE_22050;
1740 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1741 result |= SNDRV_PCM_RATE_32000;
1742 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1743 result |= SNDRV_PCM_RATE_44100;
1744 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1745 result |= SNDRV_PCM_RATE_48000;
1746 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1747 reg == AC97_PCM_FRONT_DAC_RATE) {
1748 /* test standard double rates */
1749 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1750 AC97_EA_DRA, AC97_EA_DRA);
1751 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1752 result |= SNDRV_PCM_RATE_64000;
1753 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1754 result |= SNDRV_PCM_RATE_88200;
1755 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1756 result |= SNDRV_PCM_RATE_96000;
1757 /* some codecs don't support variable double rates */
1758 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1759 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1760 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1761 AC97_EA_DRA, 0);
1762 }
1763 /* restore the default value */
1764 snd_ac97_write_cache(ac97, reg, saved);
1765 if (shadow_reg)
1766 snd_ac97_write_cache(ac97, shadow_reg, saved);
1767 *r_result = result;
1768}
1769
1770/* check AC97_SPDIF register to accept which sample rates */
ee42381e 1771static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1da177e4
LT		 1772{
1773 unsigned int result = 0;
1774 int i;
1775 static unsigned short ctl_bits[] = {
1776 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1777 };
1778 static unsigned int rate_bits[] = {
1779 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1780 };
1781
1782 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1783 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1784 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1785 result |= rate_bits[i];
1786 }
1787 return result;
1788}
1789
1790/* look for the codec id table matching with the given id */
ee42381e
TI		 1791static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1792 unsigned int id)
1da177e4 1793{
ee42381e 1794 const struct ac97_codec_id *pid;
1da177e4
LT		 1795
1796 for (pid = table; pid->id; pid++)
1797 if (pid->id == (id & pid->mask))
1798 return pid;
1799 return NULL;
1800}
1801
ee42381e 1802void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1da177e4 1803{
ee42381e 1804 const struct ac97_codec_id *pid;
1da177e4
LT		 1805
1806 sprintf(name, "0x%x %c%c%c", id,
1807 printable(id >> 24),
1808 printable(id >> 16),
1809 printable(id >> 8));
1810 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1811 if (! pid)
1812 return;
1813
1814 strcpy(name, pid->name);
1815 if (ac97 && pid->patch) {
1816 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1817 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1818 pid->patch(ac97);
1819 }
1820
1821 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1822 if (pid) {
1823 strcat(name, " ");
1824 strcat(name, pid->name);
1825 if (pid->mask != 0xffffffff)
1826 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1827 if (ac97 && pid->patch) {
1828 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1829 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1830 pid->patch(ac97);
1831 }
1832 } else
1833 sprintf(name + strlen(name), " id %x", id & 0xff);
1834}
1835
1836/**
1837 * snd_ac97_get_short_name - retrieve codec name
1838 * @ac97: the codec instance
1839 *
eb7c06e8 1840 * Return: The short identifying name of the codec.
1da177e4 1841 */
ee42381e 1842const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1da177e4 1843{
ee42381e 1844 const struct ac97_codec_id *pid;
1da177e4
LT		 1845
1846 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1847 if (pid->id == (ac97->id & pid->mask))
1848 return pid->name;
1849 return "unknown codec";
1850}
1851
7b09679c 1852EXPORT_SYMBOL(snd_ac97_get_short_name);
1da177e4
LT		 1853
1854/* wait for a while until registers are accessible after RESET
1855 * return 0 if ok, negative not ready
1856 */
ee42381e 1857static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1da177e4
LT		 1858{
1859 unsigned long end_time;
1860 unsigned short val;
1861
1862 end_time = jiffies + timeout;
1863 do {
1864
1865 /* use preliminary reads to settle the communication */
1866 snd_ac97_read(ac97, AC97_RESET);
1867 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1868 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1869 /* modem? */
1870 if (with_modem) {
1871 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1872 if (val != 0xffff && (val & 1) != 0)
1873 return 0;
1874 }
1875 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1876 /* probably only Xbox issue - all registers are read as zero */
1877 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1878 if (val != 0 && val != 0xffff)
1879 return 0;
1880 } else {
1881 /* because the PCM or MASTER volume registers can be modified,
1882 * the REC_GAIN register is used for tests
1883 */
1884 /* test if we can write to the record gain volume register */
1885 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1886 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1887 return 0;
1888 }
8433a509 1889 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1890 } while (time_after_eq(end_time, jiffies));
1891 return -ENODEV;
1892}
1893
1894/**
1895 * snd_ac97_bus - create an AC97 bus component
1896 * @card: the card instance
1897 * @num: the bus number
1898 * @ops: the bus callbacks table
1899 * @private_data: private data pointer for the new instance
1900 * @rbus: the pointer to store the new AC97 bus instance.
1901 *
ee42381e 1902 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1da177e4
LT		 1903 * allocated and initialized.
1904 *
1905 * The ops table must include valid callbacks (at least read and
1906 * write). The other callbacks, wait and reset, are not mandatory.
1907 *
1908 * The clock is set to 48000. If another clock is needed, set
1909 * (*rbus)->clock manually.
1910 *
1911 * The AC97 bus instance is registered as a low-level device, so you don't
1912 * have to release it manually.
1913 *
eb7c06e8 1914 * Return: Zero if successful, or a negative error code on failure.
1da177e4 1915 */
ee42381e
TI		 1916int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1917 void *private_data, struct snd_ac97_bus **rbus)
1da177e4
LT		 1918{
1919 int err;
ee42381e
TI		 1920 struct snd_ac97_bus *bus;
1921 static struct snd_device_ops dev_ops = {
1da177e4
LT		 1922 .dev_free = snd_ac97_bus_dev_free,
1923 };
1924
da3cec35
TI		 1925 if (snd_BUG_ON(!card))
1926 return -EINVAL;
e560d8d8 1927 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 1928 if (bus == NULL)
1929 return -ENOMEM;
1930 bus->card = card;
1931 bus->num = num;
1932 bus->ops = ops;
1933 bus->private_data = private_data;
1934 bus->clock = 48000;
1935 spin_lock_init(&bus->bus_lock);
1936 snd_ac97_bus_proc_init(bus);
1937 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1938 snd_ac97_bus_free(bus);
1939 return err;
1940 }
da3cec35
TI		 1941 if (rbus)
1942 *rbus = bus;
1da177e4
LT		 1943 return 0;
1944}
1945
7b09679c
TI		 1946EXPORT_SYMBOL(snd_ac97_bus);
1947
0ca06a00
LG		 1948/* stop no dev release warning */
1949static void ac97_device_release(struct device * dev)
1950{
1951}
1952
1953/* register ac97 codec to bus */
ee42381e 1954static int snd_ac97_dev_register(struct snd_device *device)
0ca06a00 1955{
ee42381e 1956 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1957 int err;
1958
1959 ac97->dev.bus = &ac97_bus_type;
1960 ac97->dev.parent = ac97->bus->card->dev;
0ca06a00 1961 ac97->dev.release = ac97_device_release;
096a9571
KS		 1962 dev_set_name(&ac97->dev, "%d-%d:%s",
1963 ac97->bus->card->number, ac97->num,
1964 snd_ac97_get_short_name(ac97));
0ca06a00
LG		 1965 if ((err = device_register(&ac97->dev)) < 0) {
1966 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1967 ac97->dev.bus = NULL;
1968 return err;
1969 }
1970 return 0;
1971}
1972
c461482c
TI		 1973/* disconnect ac97 codec */
1974static int snd_ac97_dev_disconnect(struct snd_device *device)
0ca06a00 1975{
ee42381e 1976 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1977 if (ac97->dev.bus)
1978 device_unregister(&ac97->dev);
c461482c 1979 return 0;
0ca06a00
LG		 1980}
1981
1da177e4 1982/* build_ops to do nothing */
3e8b3b90 1983static const struct snd_ac97_build_ops null_build_ops;
1da177e4 1984
6dbe6628 1985#ifdef CONFIG_SND_AC97_POWER_SAVE
c4028958 1986static void do_update_power(struct work_struct *work)
6dbe6628 1987{
c4028958
DH		 1988 update_power_regs(
1989 container_of(work, struct snd_ac97, power_work.work));
6dbe6628
TI		 1990}
1991#endif
1992
1da177e4
LT		 1993/**
1994 * snd_ac97_mixer - create an Codec97 component
1995 * @bus: the AC97 bus which codec is attached to
1996 * @template: the template of ac97, including index, callbacks and
1997 * the private data.
1998 * @rac97: the pointer to store the new ac97 instance.
1999 *
ee42381e 2000 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1da177e4
LT		 2001 * allocated and initialized from the template. The codec
2002 * is then initialized by the standard procedure.
2003 *
2004 * The template must include the codec number (num) and address (addr),
2005 * and the private data (private_data).
2006 *
2007 * The ac97 instance is registered as a low-level device, so you don't
2008 * have to release it manually.
2009 *
eb7c06e8 2010 * Return: Zero if successful, or a negative error code on failure.
1da177e4 2011 */
ee42381e 2012int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1da177e4
LT		 2013{
2014 int err;
ee42381e
TI		 2015 struct snd_ac97 *ac97;
2016 struct snd_card *card;
1da177e4
LT		 2017 char name[64];
2018 unsigned long end_time;
2019 unsigned int reg;
ee42381e
TI		 2020 const struct ac97_codec_id *pid;
2021 static struct snd_device_ops ops = {
1da177e4 2022 .dev_free = snd_ac97_dev_free,
0ca06a00 2023 .dev_register = snd_ac97_dev_register,
c461482c 2024 .dev_disconnect = snd_ac97_dev_disconnect,
1da177e4
LT		 2025 };
2026
da3cec35
TI		 2027 if (rac97)
2028 *rac97 = NULL;
2029 if (snd_BUG_ON(!bus || !template))
2030 return -EINVAL;
2031 if (snd_BUG_ON(template->num >= 4))
2032 return -EINVAL;
2033 if (bus->codec[template->num])
2034 return -EBUSY;
1da177e4 2035
1da177e4 2036 card = bus->card;
e560d8d8 2037 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1da177e4
LT		 2038 if (ac97 == NULL)
2039 return -ENOMEM;
2040 ac97->private_data = template->private_data;
2041 ac97->private_free = template->private_free;
2042 ac97->bus = bus;
2043 ac97->pci = template->pci;
2044 ac97->num = template->num;
2045 ac97->addr = template->addr;
2046 ac97->scaps = template->scaps;
7c5706bb 2047 ac97->res_table = template->res_table;
1da177e4 2048 bus->codec[ac97->num] = ac97;
62932df8
IM		 2049 mutex_init(&ac97->reg_mutex);
2050 mutex_init(&ac97->page_mutex);
6dbe6628 2051#ifdef CONFIG_SND_AC97_POWER_SAVE
c4028958 2052 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
6dbe6628 2053#endif
1da177e4 2054
adf1b3d2 2055#ifdef CONFIG_PCI
1da177e4
LT		 2056 if (ac97->pci) {
2057 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2058 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2059 }
adf1b3d2 2060#endif
1da177e4
LT		 2061 if (bus->ops->reset) {
2062 bus->ops->reset(ac97);
2063 goto __access_ok;
2064 }
2065
2066 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2067 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2068 if (ac97->id && ac97->id != (unsigned int)-1) {
2069 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2070 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2071 goto __access_ok;
2072 }
2073
23fea4da
SK		 2074 /* reset to defaults */
2075 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2076 snd_ac97_write(ac97, AC97_RESET, 0);
2077 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2078 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 2079 if (bus->ops->wait)
2080 bus->ops->wait(ac97);
2081 else {
2082 udelay(50);
2083 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
45cffef1 2084 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);
1da177e4 2085 else {
45cffef1 2086 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);
1da177e4 2087 if (err < 0)
45cffef1
TI		 2088 err = ac97_reset_wait(ac97,
2089 msecs_to_jiffies(500), 1);
1da177e4
LT		 2090 }
2091 if (err < 0) {
2092 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
2093 /* proceed anyway - it's often non-critical */
2094 }
2095 }
2096 __access_ok:
2097 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2098 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2099 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2100 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2101 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
2102 snd_ac97_free(ac97);
2103 return -EIO;
2104 }
2105 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2106 if (pid)
2107 ac97->flags |= pid->flags;
2108
2109 /* test for AC'97 */
2110 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2111 /* test if we can write to the record gain volume register */
2112 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2113 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2114 ac97->scaps |= AC97_SCAP_AUDIO;
2115 }
2116 if (ac97->scaps & AC97_SCAP_AUDIO) {
2117 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2118 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2119 if (ac97->ext_id == 0xffff) /* invalid combination */
2120 ac97->ext_id = 0;
2121 }
2122
2123 /* test for MC'97 */
2124 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2125 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2126 if (ac97->ext_mid == 0xffff) /* invalid combination */
2127 ac97->ext_mid = 0;
2128 if (ac97->ext_mid & 1)
2129 ac97->scaps |= AC97_SCAP_MODEM;
2130 }
2131
2132 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2133 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
2134 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2135 snd_ac97_free(ac97);
2136 return -EACCES;
2137 }
2138
2139 if (bus->ops->reset) // FIXME: always skipping?
2140 goto __ready_ok;
2141
2142 /* FIXME: add powerdown control */
2143 if (ac97_is_audio(ac97)) {
2144 /* nothing should be in powerdown mode */
2145 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2146 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2147 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2148 udelay(100);
2149 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2150 }
2151 /* nothing should be in powerdown mode */
2152 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
f7489027 2153 end_time = jiffies + msecs_to_jiffies(5000);
1da177e4
LT		 2154 do {
2155 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2156 goto __ready_ok;
8433a509 2157 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2158 } while (time_after_eq(end_time, jiffies));
2159 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2160 }
2161
2162 /* FIXME: add powerdown control */
2163 if (ac97_is_modem(ac97)) {
2164 unsigned char tmp;
2165
2166 /* nothing should be in powerdown mode */
2167 /* note: it's important to set the rate at first */
2168 tmp = AC97_MEA_GPIO;
2169 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 2170 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 2171 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2172 }
2173 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 2174 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 2175 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2176 }
2177 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 2178 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 2179 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2180 }
8e8311b0 2181 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2182 udelay(100);
2183 /* nothing should be in powerdown mode */
8e8311b0 2184 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
45cffef1 2185 end_time = jiffies + msecs_to_jiffies(100);
1da177e4
LT		 2186 do {
2187 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2188 goto __ready_ok;
8433a509 2189 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2190 } while (time_after_eq(end_time, jiffies));
2191 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2192 }
2193
2194 __ready_ok:
2195 if (ac97_is_audio(ac97))
2196 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2197 else
2198 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2199 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2200 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2201 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2202 if (! bus->no_vra)
2203 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2204 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2205 }
2206 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2207 /* Intel controllers require double rate data to be put in
2208 * slots 7+8, so let's hope the codec supports it. */
2209 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2210 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2211 ac97->flags |= AC97_DOUBLE_RATE;
091e95ee
TI		 2212 /* restore to slots 10/11 to avoid the confliction with surrounds */
2213 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
1da177e4
LT		 2214 }
2215 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2216 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2217 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2218 } else {
2219 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2220 if (ac97->flags & AC97_DOUBLE_RATE)
2221 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2222 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2223 }
2224 if (ac97->ext_id & AC97_EI_SPDIF) {
2225 /* codec specific code (patch) should override these values */
2226 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2227 }
2228 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2229 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2230 } else {
2231 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2232 }
2233 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2234 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2235 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2236 }
2237 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2238 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2239 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2240 }
2241 /* additional initializations */
2242 if (bus->ops->init)
2243 bus->ops->init(ac97);
2244 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2245 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2246 if (! ac97->build_ops)
2247 ac97->build_ops = &null_build_ops;
2248
2249 if (ac97_is_audio(ac97)) {
2250 char comp[16];
2251 if (card->mixername[0] == '\0') {
2252 strcpy(card->mixername, name);
2253 } else {
2254 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2255 strcat(card->mixername, ",");
2256 strcat(card->mixername, name);
2257 }
2258 }
2259 sprintf(comp, "AC97a:%08x", ac97->id);
2260 if ((err = snd_component_add(card, comp)) < 0) {
2261 snd_ac97_free(ac97);
2262 return err;
2263 }
2264 if (snd_ac97_mixer_build(ac97) < 0) {
2265 snd_ac97_free(ac97);
2266 return -ENOMEM;
2267 }
2268 }
2269 if (ac97_is_modem(ac97)) {
2270 char comp[16];
2271 if (card->mixername[0] == '\0') {
2272 strcpy(card->mixername, name);
2273 } else {
2274 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2275 strcat(card->mixername, ",");
2276 strcat(card->mixername, name);
2277 }
2278 }
2279 sprintf(comp, "AC97m:%08x", ac97->id);
2280 if ((err = snd_component_add(card, comp)) < 0) {
2281 snd_ac97_free(ac97);
2282 return err;
2283 }
2284 if (snd_ac97_modem_build(card, ac97) < 0) {
2285 snd_ac97_free(ac97);
2286 return -ENOMEM;
2287 }
2288 }
6dbe6628
TI		 2289 if (ac97_is_audio(ac97))
2290 update_power_regs(ac97);
1da177e4
LT		 2291 snd_ac97_proc_init(ac97);
2292 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2293 snd_ac97_free(ac97);
2294 return err;
2295 }
2296 *rac97 = ac97;
1da177e4
LT		 2297 return 0;
2298}
2299
7b09679c 2300EXPORT_SYMBOL(snd_ac97_mixer);
1da177e4
LT		 2301
2302/*
2303 * Power down the chip.
2304 *
2305 * MASTER and HEADPHONE registers are muted but the register cache values
2306 * are not changed, so that the values can be restored in snd_ac97_resume().
2307 */
ee42381e 2308static void snd_ac97_powerdown(struct snd_ac97 *ac97)
1da177e4
LT		 2309{
2310 unsigned short power;
2311
2312 if (ac97_is_audio(ac97)) {
2313 /* some codecs have stereo mute bits */
2314 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2315 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2316 }
2317
6dbe6628
TI		 2318 /* surround, CLFE, mic powerdown */
2319 power = ac97->regs[AC97_EXTENDED_STATUS];
2320 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2321 power |= AC97_EA_PRJ;
2322 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2323 power |= AC97_EA_PRI | AC97_EA_PRK;
2324 power |= AC97_EA_PRL;
2325 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2326
2327 /* powerdown external amplifier */
2328 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2329 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2330 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2331 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2332 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2333 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
1da177e4
LT		 2334 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2335 udelay(100);
6cabf6b0 2336 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */
1da177e4 2337 snd_ac97_write(ac97, AC97_POWERDOWN, power);
f1a63a38 2338 if (ac97_is_power_save_mode(ac97)) {
6cabf6b0
TI		 2339 power |= AC97_PD_PR3; /* Analog Mixer powerdown */
2340 snd_ac97_write(ac97, AC97_POWERDOWN, power);
6dbe6628
TI		 2341 udelay(100);
2342 /* AC-link powerdown, internal Clk disable */
2343 /* FIXME: this may cause click noises on some boards */
2344 power |= AC97_PD_PR4 | AC97_PD_PR5;
2345 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2346 }
1da177e4
LT		 2347}
2348
2349
6dbe6628
TI		 2350struct ac97_power_reg {
2351 unsigned short reg;
2352 unsigned short power_reg;
2353 unsigned short mask;
2354};
2355
2356enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2357
2358static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2359 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2360 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2361 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2362 AC97_EA_PRI | AC97_EA_PRK},
2363 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2364 AC97_EA_PRJ},
2365 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2366 AC97_EA_PRL},
2367};
2368
2369#ifdef CONFIG_SND_AC97_POWER_SAVE
2370/**
2371 * snd_ac97_update_power - update the powerdown register
2372 * @ac97: the codec instance
2373 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2374 * @powerup: non-zero when power up the part
2375 *
2376 * Update the AC97 powerdown register bits of the given part.
eb7c06e8
YB		 2377 *
2378 * Return: Zero.
6dbe6628
TI		 2379 */
2380int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2381{
2382 int i;
2383
2384 if (! ac97)
2385 return 0;
2386
2387 if (reg) {
2388 /* SPDIF requires DAC power, too */
2389 if (reg == AC97_SPDIF)
2390 reg = AC97_PCM_FRONT_DAC_RATE;
2391 for (i = 0; i < PWIDX_SIZE; i++) {
2392 if (power_regs[i].reg == reg) {
2393 if (powerup)
2394 ac97->power_up |= (1 << i);
2395 else
2396 ac97->power_up &= ~(1 << i);
2397 break;
2398 }
2399 }
2400 }
2401
f1a63a38 2402 if (ac97_is_power_save_mode(ac97) && !powerup)
6dbe6628
TI		 2403 /* adjust power-down bits after two seconds delay
2404 * (for avoiding loud click noises for many (OSS) apps
2405 * that open/close frequently)
2406 */
45cffef1 2407 schedule_delayed_work(&ac97->power_work,
38f58227 2408 msecs_to_jiffies(power_save * 1000));
f1a63a38
TI		 2409 else {
2410 cancel_delayed_work(&ac97->power_work);
6dbe6628 2411 update_power_regs(ac97);
f1a63a38 2412 }
6dbe6628
TI		 2413
2414 return 0;
2415}
2416
2417EXPORT_SYMBOL(snd_ac97_update_power);
2418#endif /* CONFIG_SND_AC97_POWER_SAVE */
2419
2420static void update_power_regs(struct snd_ac97 *ac97)
2421{
2422 unsigned int power_up, bits;
2423 int i;
2424
f1a63a38
TI		 2425 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2426 power_up |= (1 << PWIDX_MIC);
2427 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2428 power_up |= (1 << PWIDX_SURR);
2429 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2430 power_up |= (1 << PWIDX_CLFE);
6dbe6628 2431#ifdef CONFIG_SND_AC97_POWER_SAVE
f1a63a38 2432 if (ac97_is_power_save_mode(ac97))
6dbe6628 2433 power_up = ac97->power_up;
6dbe6628
TI		 2434#endif
2435 if (power_up) {
2436 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2437 /* needs power-up analog mix and vref */
2438 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2439 AC97_PD_PR3, 0);
2440 msleep(1);
2441 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2442 AC97_PD_PR2, 0);
2443 }
2444 }
2445 for (i = 0; i < PWIDX_SIZE; i++) {
2446 if (power_up & (1 << i))
2447 bits = 0;
2448 else
2449 bits = power_regs[i].mask;
2450 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2451 power_regs[i].mask, bits);
2452 }
2453 if (! power_up) {
2454 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2455 /* power down analog mix and vref */
2456 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2457 AC97_PD_PR2, AC97_PD_PR2);
2458 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2459 AC97_PD_PR3, AC97_PD_PR3);
2460 }
2461 }
2462}
2463
2464
1da177e4
LT		 2465#ifdef CONFIG_PM
2466/**
2467 * snd_ac97_suspend - General suspend function for AC97 codec
2468 * @ac97: the ac97 instance
2469 *
2470 * Suspends the codec, power down the chip.
2471 */
ee42381e 2472void snd_ac97_suspend(struct snd_ac97 *ac97)
1da177e4 2473{
e26e7545
TI		 2474 if (! ac97)
2475 return;
1da177e4
LT		 2476 if (ac97->build_ops->suspend)
2477 ac97->build_ops->suspend(ac97);
3b6baa5a 2478#ifdef CONFIG_SND_AC97_POWER_SAVE
5b84ba26 2479 cancel_delayed_work_sync(&ac97->power_work);
3b6baa5a 2480#endif
1da177e4
LT		 2481 snd_ac97_powerdown(ac97);
2482}
2483
7b09679c
TI		 2484EXPORT_SYMBOL(snd_ac97_suspend);
2485
1da177e4
LT		 2486/*
2487 * restore ac97 status
2488 */
6ddc9d2e 2489static void snd_ac97_restore_status(struct snd_ac97 *ac97)
1da177e4
LT		 2490{
2491 int i;
2492
2493 for (i = 2; i < 0x7c ; i += 2) {
2494 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2495 continue;
2496 /* restore only accessible registers
2497 * some chip (e.g. nm256) may hang up when unsupported registers
2498 * are accessed..!
2499 */
2500 if (test_bit(i, ac97->reg_accessed)) {
2501 snd_ac97_write(ac97, i, ac97->regs[i]);
2502 snd_ac97_read(ac97, i);
2503 }
2504 }
2505}
2506
2507/*
2508 * restore IEC958 status
2509 */
6ddc9d2e 2510static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
1da177e4
LT		 2511{
2512 if (ac97->ext_id & AC97_EI_SPDIF) {
2513 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2514 /* reset spdif status */
2515 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2516 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2517 if (ac97->flags & AC97_CS_SPDIF)
2518 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2519 else
2520 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2521 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2522 }
2523 }
2524}
2525
2526/**
2527 * snd_ac97_resume - General resume function for AC97 codec
2528 * @ac97: the ac97 instance
2529 *
2530 * Do the standard resume procedure, power up and restoring the
2531 * old register values.
2532 */
ee42381e 2533void snd_ac97_resume(struct snd_ac97 *ac97)
1da177e4 2534{
ef21ca24 2535 unsigned long end_time;
1da177e4 2536
e26e7545
TI		 2537 if (! ac97)
2538 return;
2539
1da177e4
LT		 2540 if (ac97->bus->ops->reset) {
2541 ac97->bus->ops->reset(ac97);
2542 goto __reset_ready;
2543 }
2544
2545 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2546 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
d6c3cf81
TI		 2547 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2548 snd_ac97_write(ac97, AC97_RESET, 0);
2549 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2550 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 2551 udelay(100);
2552 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2553 }
2554 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2555
2556 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2557 if (ac97_is_audio(ac97)) {
2558 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
ef21ca24
NA		 2559 end_time = jiffies + msecs_to_jiffies(100);
2560 do {
1da177e4
LT		 2561 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2562 break;
8433a509 2563 schedule_timeout_uninterruptible(1);
ef21ca24 2564 } while (time_after_eq(end_time, jiffies));
1da177e4 2565 /* FIXME: extra delay */
03c2d87a
AM		 2566 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO);
2567 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO)
ef21ca24 2568 msleep(250);
1da177e4 2569 } else {
ef21ca24
NA		 2570 end_time = jiffies + msecs_to_jiffies(100);
2571 do {
1da177e4
LT		 2572 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2573 if (val != 0xffff && (val & 1) != 0)
2574 break;
8433a509 2575 schedule_timeout_uninterruptible(1);
ef21ca24 2576 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2577 }
2578__reset_ready:
2579
2580 if (ac97->bus->ops->init)
2581 ac97->bus->ops->init(ac97);
2582
2583 if (ac97->build_ops->resume)
2584 ac97->build_ops->resume(ac97);
2585 else {
2586 snd_ac97_restore_status(ac97);
2587 snd_ac97_restore_iec958(ac97);
2588 }
2589}
7b09679c
TI		 2590
2591EXPORT_SYMBOL(snd_ac97_resume);
1da177e4
LT		 2592#endif
2593
2594
2595/*
2596 * Hardware tuning
2597 */
2598static void set_ctl_name(char *dst, const char *src, const char *suffix)
2599{
2600 if (suffix)
2601 sprintf(dst, "%s %s", src, suffix);
2602 else
2603 strcpy(dst, src);
2604}
2605
2606/* remove the control with the given name and optional suffix */
ac519028
TI		 2607static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
2608 const char *suffix)
1da177e4 2609{
ee42381e 2610 struct snd_ctl_elem_id id;
1da177e4
LT		 2611 memset(&id, 0, sizeof(id));
2612 set_ctl_name(id.name, name, suffix);
2613 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2614 return snd_ctl_remove_id(ac97->bus->card, &id);
2615}
2616
ee42381e 2617static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2618{
ee42381e 2619 struct snd_ctl_elem_id sid;
1da177e4
LT		 2620 memset(&sid, 0, sizeof(sid));
2621 set_ctl_name(sid.name, name, suffix);
2622 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2623 return snd_ctl_find_id(ac97->bus->card, &sid);
2624}
2625
2626/* rename the control with the given name and optional suffix */
ac519028
TI		 2627static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
2628 const char *dst, const char *suffix)
1da177e4 2629{
ee42381e 2630 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
1da177e4
LT		 2631 if (kctl) {
2632 set_ctl_name(kctl->id.name, dst, suffix);
2633 return 0;
2634 }
2635 return -ENOENT;
2636}
2637
2638/* rename both Volume and Switch controls - don't check the return value */
ac519028
TI		 2639static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
2640 const char *dst)
1da177e4
LT		 2641{
2642 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2643 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2644}
2645
2646/* swap controls */
ac519028
TI		 2647static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
2648 const char *s2, const char *suffix)
1da177e4 2649{
ee42381e 2650 struct snd_kcontrol *kctl1, *kctl2;
1da177e4
LT		 2651 kctl1 = ctl_find(ac97, s1, suffix);
2652 kctl2 = ctl_find(ac97, s2, suffix);
2653 if (kctl1 && kctl2) {
2654 set_ctl_name(kctl1->id.name, s2, suffix);
2655 set_ctl_name(kctl2->id.name, s1, suffix);
2656 return 0;
2657 }
2658 return -ENOENT;
2659}
2660
2661#if 1
2662/* bind hp and master controls instead of using only hp control */
ee42381e 2663static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2664{
2665 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2666 if (err > 0) {
2667 unsigned long priv_saved = kcontrol->private_value;
2668 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2669 snd_ac97_put_volsw(kcontrol, ucontrol);
2670 kcontrol->private_value = priv_saved;
2671 }
2672 return err;
2673}
2674
2675/* ac97 tune: bind Master and Headphone controls */
ee42381e 2676static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4 2677{
ee42381e
TI		 2678 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2679 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
1da177e4
LT		 2680 if (! msw || ! mvol)
2681 return -ENOENT;
2682 msw->put = bind_hp_volsw_put;
2683 mvol->put = bind_hp_volsw_put;
2684 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2685 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2686 return 0;
2687}
2688
2689#else
2690/* ac97 tune: use Headphone control as master */
ee42381e 2691static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4
LT		 2692{
2693 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2694 return -ENOENT;
2695 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2696 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2697 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2698 return 0;
2699}
2700#endif
2701
2702/* ac97 tune: swap Headphone and Master controls */
ee42381e 2703static int tune_swap_hp(struct snd_ac97 *ac97)
1da177e4
LT		 2704{
2705 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2706 return -ENOENT;
2707 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2708 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2709 return 0;
2710}
2711
2712/* ac97 tune: swap Surround and Master controls */
ee42381e 2713static int tune_swap_surround(struct snd_ac97 *ac97)
1da177e4
LT		 2714{
2715 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2716 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2717 return -ENOENT;
2718 return 0;
2719}
2720
2721/* ac97 tune: set up mic sharing for AD codecs */
ee42381e 2722static int tune_ad_sharing(struct snd_ac97 *ac97)
1da177e4
LT		 2723{
2724 unsigned short scfg;
2725 if ((ac97->id & 0xffffff00) != 0x41445300) {
2726 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2727 return -EINVAL;
2728 }
2729 /* Turn on OMS bit to route microphone to back panel */
2730 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2731 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2732 return 0;
2733}
2734
ee42381e 2735static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
1da177e4
LT		 2736AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2737
2738/* ac97 tune: set up ALC jack-select */
ee42381e 2739static int tune_alc_jack(struct snd_ac97 *ac97)
1da177e4
LT		 2740{
2741 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2742 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2743 return -EINVAL;
2744 }
2745 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2746 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
031c95d4
TI		 2747 if (ac97->id == AC97_ID_ALC658D)
2748 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
1da177e4
LT		 2749 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2750}
2751
2752/* ac97 tune: inversed EAPD bit */
ee42381e 2753static int tune_inv_eapd(struct snd_ac97 *ac97)
1da177e4 2754{
ee42381e 2755 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
1da177e4
LT		 2756 if (! kctl)
2757 return -ENOENT;
2758 set_inv_eapd(ac97, kctl);
2759 return 0;
2760}
2761
ee42381e 2762static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2763{
2764 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2765 if (err > 0) {
ee42381e 2766 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 2767 int shift = (kcontrol->private_value >> 8) & 0x0f;
2768 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2769 unsigned short mask;
2770 if (shift != rshift)
03c2d87a 2771 mask = AC97_MUTE_MASK_STEREO;
1da177e4 2772 else
03c2d87a
AM		 2773 mask = AC97_MUTE_MASK_MONO;
2774 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
1da177e4 2775 (ac97->regs[AC97_MASTER] & mask) == mask ?
03c2d87a 2776 AC97_PD_EAPD : 0);
1da177e4
LT		 2777 }
2778 return err;
2779}
2780
2781/* ac97 tune: EAPD controls mute LED bound with the master mute */
ee42381e 2782static int tune_mute_led(struct snd_ac97 *ac97)
1da177e4 2783{
ee42381e 2784 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
1da177e4
LT		 2785 if (! msw)
2786 return -ENOENT;
2787 msw->put = master_mute_sw_put;
2788 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
03c2d87a
AM		 2789 snd_ac97_update_bits(
2790 ac97, AC97_POWERDOWN,
2791 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2792 );
6dbe6628 2793 ac97->scaps |= AC97_SCAP_EAPD_LED;
1da177e4
LT		 2794 return 0;
2795}
2796
a0faefed
MG		 2797static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2798 struct snd_ctl_elem_value *ucontrol)
2799{
2800 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2801 if (err > 0) {
2802 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2803 int shift = (kcontrol->private_value >> 8) & 0x0f;
2804 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2805 unsigned short mask;
2806 if (shift != rshift)
03c2d87a 2807 mask = AC97_MUTE_MASK_STEREO;
a0faefed 2808 else
03c2d87a
AM		 2809 mask = AC97_MUTE_MASK_MONO;
2810 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
a0faefed 2811 (ac97->regs[AC97_MASTER] & mask) == mask ?
03c2d87a 2812 AC97_PD_EAPD : 0);
a0faefed
MG		 2813 }
2814 return err;
2815}
2816
2817static int tune_hp_mute_led(struct snd_ac97 *ac97)
2818{
2819 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2820 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2821 if (! msw || ! mvol)
2822 return -ENOENT;
2823 msw->put = hp_master_mute_sw_put;
2824 mvol->put = bind_hp_volsw_put;
2825 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2826 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2827 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
03c2d87a
AM		 2828 snd_ac97_update_bits(
2829 ac97, AC97_POWERDOWN,
2830 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2831 );
a0faefed
MG		 2832 return 0;
2833}
2834
1da177e4
LT		 2835struct quirk_table {
2836 const char *name;
ee42381e 2837 int (*func)(struct snd_ac97 *);
1da177e4
LT		 2838};
2839
2840static struct quirk_table applicable_quirks[] = {
2841 { "none", NULL },
2842 { "hp_only", tune_hp_only },
2843 { "swap_hp", tune_swap_hp },
2844 { "swap_surround", tune_swap_surround },
2845 { "ad_sharing", tune_ad_sharing },
2846 { "alc_jack", tune_alc_jack },
2847 { "inv_eapd", tune_inv_eapd },
2848 { "mute_led", tune_mute_led },
a0faefed 2849 { "hp_mute_led", tune_hp_mute_led },
1da177e4
LT		 2850};
2851
2852/* apply the quirk with the given type */
ee42381e 2853static int apply_quirk(struct snd_ac97 *ac97, int type)
1da177e4
LT		 2854{
2855 if (type <= 0)
2856 return 0;
2857 else if (type >= ARRAY_SIZE(applicable_quirks))
2858 return -EINVAL;
2859 if (applicable_quirks[type].func)
2860 return applicable_quirks[type].func(ac97);
2861 return 0;
2862}
2863
2864/* apply the quirk with the given name */
ee42381e 2865static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
1da177e4
LT		 2866{
2867 int i;
2868 struct quirk_table *q;
2869
2870 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2871 q = &applicable_quirks[i];
2872 if (q->name && ! strcmp(typestr, q->name))
2873 return apply_quirk(ac97, i);
2874 }
2875 /* for compatibility, accept the numbers, too */
2876 if (*typestr >= '0' && *typestr <= '9')
2877 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2878 return -EINVAL;
2879}
2880
2881/**
2882 * snd_ac97_tune_hardware - tune up the hardware
2883 * @ac97: the ac97 instance
2884 * @quirk: quirk list
2885 * @override: explicit quirk value (overrides the list if non-NULL)
2886 *
2887 * Do some workaround for each pci device, such as renaming of the
2888 * headphone (true line-out) control as "Master".
2889 * The quirk-list must be terminated with a zero-filled entry.
2890 *
eb7c06e8 2891 * Return: Zero if successful, or a negative error code on failure.
1da177e4
LT		 2892 */
2893
ee42381e 2894int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
1da177e4
LT		 2895{
2896 int result;
2897
1da177e4
LT		 2898 /* quirk overriden? */
2899 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2900 result = apply_quirk_str(ac97, override);
2901 if (result < 0)
2902 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2903 return result;
2904 }
2905
4b499486
PP		 2906 if (! quirk)
2907 return -EINVAL;
2908
69ad07cf
JK		 2909 for (; quirk->subvendor; quirk++) {
2910 if (quirk->subvendor != ac97->subsystem_vendor)
1da177e4 2911 continue;
69ad07cf
JK		 2912 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2913 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
1da177e4
LT		 2914 if (quirk->codec_id && quirk->codec_id != ac97->id)
2915 continue;
2916 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2917 result = apply_quirk(ac97, quirk->type);
2918 if (result < 0)
2919 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2920 return result;
2921 }
2922 }
2923 return 0;
2924}
2925
1da177e4 2926EXPORT_SYMBOL(snd_ac97_tune_hardware);
1da177e4
LT		 2927
2928/*
2929 * INIT part
2930 */
2931
2932static int __init alsa_ac97_init(void)
2933{
2934 return 0;
2935}
2936
2937static void __exit alsa_ac97_exit(void)
2938{
2939}
2940
2941module_init(alsa_ac97_init)
2942module_exit(alsa_ac97_exit)
Linux 6.x block layer and io_uring tree(s)