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UBUNTU: Ubuntu-5.15.0-39.42
[mirror_ubuntu-jammy-kernel.git] / sound / pci / ac97 / ac97_codec.c
CommitLineData
1a59d1b8 1// SPDX-License-Identifier: GPL-2.0-or-later
1da177e4 2/*
c1017a4c 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
1da177e4
LT		 4 * Universal interface for Audio Codec '97
5 *
6 * For more details look to AC '97 component specification revision 2.2
7 * by Intel Corporation (http://developer.intel.com).
1da177e4
LT		 8 */
9
1da177e4
LT		 10#include <linux/delay.h>
11#include <linux/init.h>
12#include <linux/slab.h>
13#include <linux/pci.h>
65a77217 14#include <linux/module.h>
62932df8 15#include <linux/mutex.h>
1da177e4
LT		 16#include <sound/core.h>
17#include <sound/pcm.h>
2f3482fb 18#include <sound/tlv.h>
1da177e4
LT		 19#include <sound/ac97_codec.h>
20#include <sound/asoundef.h>
21#include <sound/initval.h>
1da177e4 22#include "ac97_id.h"
ac519028
TI		 23
24#include "ac97_patch.c"
1da177e4 25
c1017a4c 26MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4
LT		 27MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
28MODULE_LICENSE("GPL");
29
a67ff6a5 30static bool enable_loopback;
1da177e4
LT		 31
32module_param(enable_loopback, bool, 0444);
33MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
34
6dbe6628 35#ifdef CONFIG_SND_AC97_POWER_SAVE
7a5a27cf 36static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT;
38f58227
TI		 37module_param(power_save, int, 0644);
38MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
39 "(in second, 0 = disable).");
6dbe6628 40#endif
1da177e4
LT		 41/*
42
43 */
44
ee42381e 45struct ac97_codec_id {
1da177e4
LT		 46 unsigned int id;
47 unsigned int mask;
48 const char *name;
ee42381e
TI		 49 int (*patch)(struct snd_ac97 *ac97);
50 int (*mpatch)(struct snd_ac97 *ac97);
1da177e4 51 unsigned int flags;
ee42381e 52};
1da177e4 53
ee42381e 54static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
1da177e4 55{ 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
68c07238 56{ 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
1da177e4
LT		 57{ 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
58{ 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
6ba9256c
AM		 59/*
60 * This is an _inofficial_ Aztech Labs entry
61 * (value might differ from unknown official Aztech ID),
62 * currently used by the AC97 emulation of the almost-AC97 PCI168 card.
63 */
64{ 0x415a5400, 0xffffff00, "Aztech Labs (emulated)", NULL, NULL },
1da177e4
LT		 65{ 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
66{ 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
67{ 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
68{ 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
69{ 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
70{ 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
71{ 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
72{ 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
73{ 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
74{ 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
75{ 0x50534300, 0xffffff00, "Philips", NULL, NULL },
76{ 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
c68db717 77{ 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL },
1da177e4
LT		 78{ 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
79{ 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
80{ 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
81{ 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
82{ 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
83{ 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
84{ 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
85{ 0, 0, NULL, NULL, NULL }
86};
87
ee42381e 88static const struct ac97_codec_id snd_ac97_codec_ids[] = {
1da177e4
LT		 89{ 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
90{ 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
91{ 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
92{ 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
93{ 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
94{ 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
95{ 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
96{ 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
97{ 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
98{ 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
99{ 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
100{ 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
67e9f4b6 101{ 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL },
68c07238
RH		 102{ 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
103{ 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
104{ 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
105{ 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
106{ 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
1da177e4
LT		 107{ 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
108{ 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
109{ 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
110{ 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
111{ 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
112{ 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
1da177e4
LT		 113{ 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
114{ 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
115{ 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
68c07238 116{ 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
8f4f4ef6 117{ 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL },
68c07238
RH		 118{ 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
119{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
120{ 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
6ba9256c 121{ 0x415a5401, 0xffffffff, "AZF3328", patch_aztech_azf3328, NULL },
1da177e4
LT		 122{ 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
123{ 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
5f0dccf8 124{ 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
f8cb2c45
JCD		 125{ 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL },
126{ 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL },
127{ 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL },
1da177e4
LT		 128{ 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
129{ 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
130{ 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
131{ 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
132{ 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
133{ 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
134{ 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
135{ 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
136{ 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
137{ 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
138{ 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
90f349d9 139{ 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL },
9e292c00 140{ 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL },
1da177e4 141{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
9398441e 142{ 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
1da177e4
LT		 143{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
144{ 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
145{ 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
146{ 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
147{ 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
148{ 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
149{ 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
150{ 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
151{ 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
152{ 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
153{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
ba22429d 154{ 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
82466ad7 155{ 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
87d61c29 156{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
c68db717 157{ 0x53544d02, 0xffffffff, "ST7597", NULL, NULL },
1da177e4 158{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
f6127efb 159{ 0x54524103, 0xffffffff, "TR28023", NULL, NULL },
1da177e4
LT		 160{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
161{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
162{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
dfc2cd7c 163{ 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL },
1da177e4 164{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
d6482288 165{ 0x56494120, 0xfffffff0, "VIA1613", patch_vt1613, NULL },
1da177e4 166{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
4b499486 167{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
9e285e1a 168{ 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL },
1da177e4 169{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
f6127efb 170{ 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL },
1da177e4
LT		 171{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
172{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
173{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
174{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
1966bbd6 175{ 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL},
1da177e4 176{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
43115f58 177{ 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL },
1da177e4
LT		 178{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
179{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
180{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
181{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
182{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
183{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
184{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
185{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
186{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
187{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
188{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
189{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
190{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
191{ 0, 0, NULL, NULL, NULL }
192};
193
1da177e4 194
6dbe6628 195static void update_power_regs(struct snd_ac97 *ac97);
f1a63a38
TI		 196#ifdef CONFIG_SND_AC97_POWER_SAVE
197#define ac97_is_power_save_mode(ac97) \
198 ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
199#else
200#define ac97_is_power_save_mode(ac97) 0
201#endif
202
38c16e34
TI		 203#define ac97_err(ac97, fmt, args...) \
204 dev_err((ac97)->bus->card->dev, fmt, ##args)
205#define ac97_warn(ac97, fmt, args...) \
206 dev_warn((ac97)->bus->card->dev, fmt, ##args)
207#define ac97_dbg(ac97, fmt, args...) \
208 dev_dbg((ac97)->bus->card->dev, fmt, ##args)
6dbe6628 209
1da177e4
LT		 210/*
211 * I/O routines
212 */
213
ee42381e 214static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
1da177e4 215{
1da177e4
LT		 216 /* filter some registers for buggy codecs */
217 switch (ac97->id) {
c68db717
KH		 218 case AC97_ID_ST_AC97_ID4:
219 if (reg == 0x08)
220 return 0;
c0dbbdad 221 fallthrough;
c68db717
KH		 222 case AC97_ID_ST7597:
223 if (reg == 0x22 || reg == 0x7a)
224 return 1;
c0dbbdad 225 fallthrough;
1da177e4
LT		 226 case AC97_ID_AK4540:
227 case AC97_ID_AK4542:
228 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
229 return 1;
230 return 0;
231 case AC97_ID_AD1819: /* AD1819 */
232 case AC97_ID_AD1881: /* AD1881 */
233 case AC97_ID_AD1881A: /* AD1881A */
234 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
235 return 0;
236 return 1;
237 case AC97_ID_AD1885: /* AD1885 */
238 case AC97_ID_AD1886: /* AD1886 */
239 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
240 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
241 if (reg == 0x5a)
242 return 1;
243 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
244 return 0;
245 return 1;
246 case AC97_ID_STAC9700:
247 case AC97_ID_STAC9704:
248 case AC97_ID_STAC9705:
249 case AC97_ID_STAC9708:
250 case AC97_ID_STAC9721:
251 case AC97_ID_STAC9744:
252 case AC97_ID_STAC9756:
253 if (reg <= 0x3a || reg >= 0x5a)
254 return 1;
255 return 0;
256 }
257 return 1;
258}
259
260/**
261 * snd_ac97_write - write a value on the given register
262 * @ac97: the ac97 instance
263 * @reg: the register to change
264 * @value: the value to set
265 *
266 * Writes a value on the given register. This will invoke the write
267 * callback directly after the register check.
268 * This function doesn't change the register cache unlike
269 * #snd_ca97_write_cache(), so use this only when you don't want to
270 * reflect the change to the suspend/resume state.
271 */
ee42381e 272void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 273{
274 if (!snd_ac97_valid_reg(ac97, reg))
275 return;
276 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
277 /* Fix H/W bug of ALC100/100P */
278 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
279 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
280 }
281 ac97->bus->ops->write(ac97, reg, value);
282}
283
7b09679c
TI		 284EXPORT_SYMBOL(snd_ac97_write);
285
1da177e4
LT		 286/**
287 * snd_ac97_read - read a value from the given register
288 *
289 * @ac97: the ac97 instance
290 * @reg: the register to read
291 *
292 * Reads a value from the given register. This will invoke the read
293 * callback directly after the register check.
294 *
eb7c06e8 295 * Return: The read value.
1da177e4 296 */
ee42381e 297unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 298{
299 if (!snd_ac97_valid_reg(ac97, reg))
300 return 0;
301 return ac97->bus->ops->read(ac97, reg);
302}
303
304/* read a register - return the cached value if already read */
ee42381e 305static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 306{
307 if (! test_bit(reg, ac97->reg_accessed)) {
308 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
309 // set_bit(reg, ac97->reg_accessed);
310 }
311 return ac97->regs[reg];
312}
313
7b09679c
TI		 314EXPORT_SYMBOL(snd_ac97_read);
315
1da177e4
LT		 316/**
317 * snd_ac97_write_cache - write a value on the given register and update the cache
318 * @ac97: the ac97 instance
319 * @reg: the register to change
320 * @value: the value to set
321 *
322 * Writes a value on the given register and updates the register
323 * cache. The cached values are used for the cached-read and the
324 * suspend/resume.
325 */
ee42381e 326void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 327{
328 if (!snd_ac97_valid_reg(ac97, reg))
329 return;
62932df8 330 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 331 ac97->regs[reg] = value;
332 ac97->bus->ops->write(ac97, reg, value);
333 set_bit(reg, ac97->reg_accessed);
62932df8 334 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 335}
336
7b09679c
TI		 337EXPORT_SYMBOL(snd_ac97_write_cache);
338
1da177e4
LT		 339/**
340 * snd_ac97_update - update the value on the given register
341 * @ac97: the ac97 instance
342 * @reg: the register to change
343 * @value: the value to set
344 *
345 * Compares the value with the register cache and updates the value
346 * only when the value is changed.
347 *
eb7c06e8 348 * Return: 1 if the value is changed, 0 if no change, or a negative
1da177e4
LT		 349 * code on failure.
350 */
ee42381e 351int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 352{
353 int change;
354
355 if (!snd_ac97_valid_reg(ac97, reg))
356 return -EINVAL;
62932df8 357 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 358 change = ac97->regs[reg] != value;
359 if (change) {
360 ac97->regs[reg] = value;
361 ac97->bus->ops->write(ac97, reg, value);
362 }
52b72388 363 set_bit(reg, ac97->reg_accessed);
62932df8 364 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 365 return change;
366}
367
7b09679c
TI		 368EXPORT_SYMBOL(snd_ac97_update);
369
1da177e4
LT		 370/**
371 * snd_ac97_update_bits - update the bits on the given register
372 * @ac97: the ac97 instance
373 * @reg: the register to change
374 * @mask: the bit-mask to change
375 * @value: the value to set
376 *
377 * Updates the masked-bits on the given register only when the value
378 * is changed.
379 *
eb7c06e8 380 * Return: 1 if the bits are changed, 0 if no change, or a negative
1da177e4
LT		 381 * code on failure.
382 */
ee42381e 383int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
1da177e4
LT		 384{
385 int change;
386
387 if (!snd_ac97_valid_reg(ac97, reg))
388 return -EINVAL;
62932df8 389 mutex_lock(&ac97->reg_mutex);
1da177e4 390 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
62932df8 391 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 392 return change;
393}
394
7b09679c
TI		 395EXPORT_SYMBOL(snd_ac97_update_bits);
396
b833b5ec 397/* no lock version - see snd_ac97_update_bits() */
ee42381e 398int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
1da177e4
LT		 399 unsigned short mask, unsigned short value)
400{
401 int change;
402 unsigned short old, new;
403
404 old = snd_ac97_read_cache(ac97, reg);
e8bb036a 405 new = (old & ~mask) | (value & mask);
1da177e4
LT		 406 change = old != new;
407 if (change) {
408 ac97->regs[reg] = new;
409 ac97->bus->ops->write(ac97, reg, new);
410 }
52b72388 411 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 412 return change;
413}
414
ee42381e 415static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
1da177e4
LT		 416{
417 int change;
418 unsigned short old, new, cfg;
419
62932df8 420 mutex_lock(&ac97->page_mutex);
1da177e4 421 old = ac97->spec.ad18xx.pcmreg[codec];
e8bb036a 422 new = (old & ~mask) | (value & mask);
1da177e4
LT		 423 change = old != new;
424 if (change) {
62932df8 425 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 426 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
427 ac97->spec.ad18xx.pcmreg[codec] = new;
428 /* select single codec */
429 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
430 (cfg & ~0x7000) |
431 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
432 /* update PCM bits */
433 ac97->bus->ops->write(ac97, AC97_PCM, new);
434 /* select all codecs */
435 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
436 cfg | 0x7000);
62932df8 437 mutex_unlock(&ac97->reg_mutex);
1da177e4 438 }
62932df8 439 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 440 return change;
441}
442
443/*
444 * Controls
445 */
446
ac519028
TI		 447static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
448 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 449{
450 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
451
3b7a00dc
TI		 452 return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2,
453 e->mask, e->texts);
1da177e4
LT		 454}
455
ac519028
TI		 456static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
457 struct snd_ctl_elem_value *ucontrol)
1da177e4 458{
ee42381e 459 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 460 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 461 unsigned short val, bitmask;
1da177e4 462
b16760bb 463 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 464 ;
1da177e4 465 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 466 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 467 if (e->shift_l != e->shift_r)
5f0dccf8 468 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 469
470 return 0;
471}
472
ac519028
TI		 473static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
474 struct snd_ctl_elem_value *ucontrol)
1da177e4 475{
ee42381e 476 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 477 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
478 unsigned short val;
5f0dccf8 479 unsigned short mask, bitmask;
1da177e4 480
b16760bb 481 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 482 ;
1da177e4
LT		 483 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
484 return -EINVAL;
485 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 486 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 487 if (e->shift_l != e->shift_r) {
488 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
489 return -EINVAL;
490 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 491 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 492 }
493 return snd_ac97_update_bits(ac97, e->reg, mask, val);
494}
495
496/* save/restore ac97 v2.3 paging */
ee42381e 497static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
1da177e4
LT		 498{
499 int page_save = -1;
500 if ((kcontrol->private_value & (1<<25)) &&
501 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
502 (reg >= 0x60 && reg < 0x70)) {
503 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
62932df8 504 mutex_lock(&ac97->page_mutex); /* lock paging */
1da177e4
LT		 505 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
506 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
507 }
508 return page_save;
509}
510
ee42381e 511static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
1da177e4
LT		 512{
513 if (page_save >= 0) {
514 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
62932df8 515 mutex_unlock(&ac97->page_mutex); /* unlock paging */
1da177e4
LT		 516 }
517}
518
519/* volume and switch controls */
ac519028
TI		 520static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
521 struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 522{
523 int mask = (kcontrol->private_value >> 16) & 0xff;
524 int shift = (kcontrol->private_value >> 8) & 0x0f;
525 int rshift = (kcontrol->private_value >> 12) & 0x0f;
526
527 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
528 uinfo->count = shift == rshift ? 1 : 2;
529 uinfo->value.integer.min = 0;
530 uinfo->value.integer.max = mask;
531 return 0;
532}
533
ac519028
TI		 534static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
535 struct snd_ctl_elem_value *ucontrol)
1da177e4 536{
ee42381e 537 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 538 int reg = kcontrol->private_value & 0xff;
539 int shift = (kcontrol->private_value >> 8) & 0x0f;
540 int rshift = (kcontrol->private_value >> 12) & 0x0f;
541 int mask = (kcontrol->private_value >> 16) & 0xff;
542 int invert = (kcontrol->private_value >> 24) & 0x01;
543 int page_save;
544
545 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
546 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
547 if (shift != rshift)
548 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
549 if (invert) {
550 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
551 if (shift != rshift)
552 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
553 }
554 snd_ac97_page_restore(ac97, page_save);
555 return 0;
556}
557
ac519028
TI		 558static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
559 struct snd_ctl_elem_value *ucontrol)
1da177e4 560{
ee42381e 561 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 562 int reg = kcontrol->private_value & 0xff;
563 int shift = (kcontrol->private_value >> 8) & 0x0f;
564 int rshift = (kcontrol->private_value >> 12) & 0x0f;
565 int mask = (kcontrol->private_value >> 16) & 0xff;
566 int invert = (kcontrol->private_value >> 24) & 0x01;
567 int err, page_save;
568 unsigned short val, val2, val_mask;
569
570 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
571 val = (ucontrol->value.integer.value[0] & mask);
572 if (invert)
573 val = mask - val;
574 val_mask = mask << shift;
575 val = val << shift;
576 if (shift != rshift) {
577 val2 = (ucontrol->value.integer.value[1] & mask);
578 if (invert)
579 val2 = mask - val2;
580 val_mask |= mask << rshift;
581 val |= val2 << rshift;
582 }
583 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
584 snd_ac97_page_restore(ac97, page_save);
6dbe6628
TI		 585#ifdef CONFIG_SND_AC97_POWER_SAVE
586 /* check analog mixer power-down */
03c2d87a 587 if ((val_mask & AC97_PD_EAPD) &&
6dbe6628 588 (kcontrol->private_value & (1<<30))) {
03c2d87a 589 if (val & AC97_PD_EAPD)
6dbe6628
TI		 590 ac97->power_up &= ~(1 << (reg>>1));
591 else
592 ac97->power_up |= 1 << (reg>>1);
da43deb1 593 update_power_regs(ac97);
6dbe6628
TI		 594 }
595#endif
1da177e4
LT		 596 return err;
597}
598
ee42381e 599static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
1da177e4
LT		 600AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
601AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
602};
603
ee42381e 604static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
d355c82a
JK		 605AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
606AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1)
1da177e4
LT		 607};
608
ee42381e 609static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
7931e2a9 610 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
1da177e4
LT		 611
612
613static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
614static const char* std_3d_path[] = {"pre 3D", "post 3D"};
615static const char* std_mix[] = {"Mix", "Mic"};
616static const char* std_mic[] = {"Mic1", "Mic2"};
617
618static const struct ac97_enum std_enum[] = {
619AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
620AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
621AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
622AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
623};
624
ee42381e 625static const struct snd_kcontrol_new snd_ac97_control_capture_src =
1da177e4
LT		 626AC97_ENUM("Capture Source", std_enum[0]);
627
ee42381e 628static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
1da177e4
LT		 629AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
630
ee42381e 631static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
1da177e4
LT		 632AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
633AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
634};
635
ee42381e 636enum {
1da177e4
LT		 637 AC97_GENERAL_PCM_OUT = 0,
638 AC97_GENERAL_STEREO_ENHANCEMENT,
639 AC97_GENERAL_3D,
640 AC97_GENERAL_LOUDNESS,
641 AC97_GENERAL_MONO,
642 AC97_GENERAL_MIC,
643 AC97_GENERAL_LOOPBACK
ee42381e 644};
1da177e4 645
ee42381e 646static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
1da177e4
LT		 647AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
648AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
649AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
650AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
651AC97_ENUM("Mono Output Select", std_enum[2]),
7931e2a9 652AC97_ENUM("Mic Select", std_enum[3]),
1da177e4
LT		 653AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
654};
655
ac519028 656static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
1da177e4
LT		 657AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
658AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
659};
660
ee42381e 661static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
1da177e4
LT		 662AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
663AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
664};
665
ee42381e 666static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
1da177e4
LT		 667AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
668AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
669};
670
ee42381e 671static const struct snd_kcontrol_new snd_ac97_control_eapd =
1da177e4
LT		 672AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
673
ee42381e 674static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
87d61c29
SK		 675AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
676AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
677};
678
1da177e4 679/* change the existing EAPD control as inverted */
ee42381e 680static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
1da177e4
LT		 681{
682 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
683 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
684 ac97->scaps |= AC97_SCAP_INV_EAPD;
685}
686
ee42381e 687static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 688{
689 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
690 uinfo->count = 1;
691 return 0;
692}
693
ee42381e 694static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 695{
696 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
697 IEC958_AES0_NONAUDIO |
698 IEC958_AES0_CON_EMPHASIS_5015 |
699 IEC958_AES0_CON_NOT_COPYRIGHT;
700 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
701 IEC958_AES1_CON_ORIGINAL;
702 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
703 return 0;
704}
705
ee42381e 706static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 707{
708 /* FIXME: AC'97 spec doesn't say which bits are used for what */
709 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
710 IEC958_AES0_NONAUDIO |
711 IEC958_AES0_PRO_FS |
712 IEC958_AES0_PRO_EMPHASIS_5015;
713 return 0;
714}
715
ee42381e 716static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 717{
ee42381e 718 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 719
62932df8 720 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 721 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
722 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
723 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
724 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
62932df8 725 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 726 return 0;
727}
728
ee42381e 729static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 730{
ee42381e 731 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 732 unsigned int new = 0;
733 unsigned short val = 0;
734 int change;
735
736 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
737 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
738 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
739 switch (new & IEC958_AES0_PRO_FS) {
740 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
741 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
742 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
743 default: val |= 1<<12; break;
744 }
745 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
746 val |= 1<<3;
747 } else {
748 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
749 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
750 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
751 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
752 val |= 1<<3;
753 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
754 val |= 1<<2;
755 val |= ((new >> 8) & 0xff) << 4; // category + original
756 switch ((new >> 24) & 0xff) {
757 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
758 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
759 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
760 default: val |= 1<<12; break;
761 }
762 }
763
62932df8 764 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 765 change = ac97->spdif_status != new;
766 ac97->spdif_status = new;
767
768 if (ac97->flags & AC97_CS_SPDIF) {
769 int x = (val >> 12) & 0x03;
770 switch (x) {
771 case 0: x = 1; break; // 44.1
772 case 2: x = 0; break; // 48.0
773 default: x = 0; break; // illegal.
774 }
775 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
776 } else if (ac97->flags & AC97_CX_SPDIF) {
777 int v;
778 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
779 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
780 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
781 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
782 v);
43115f58
KM		 783 } else if (ac97->id == AC97_ID_YMF743) {
784 change |= snd_ac97_update_bits_nolock(ac97,
785 AC97_YMF7X3_DIT_CTRL,
786 0xff38,
787 ((val << 4) & 0xff00) |
788 ((val << 2) & 0x0038));
1da177e4
LT		 789 } else {
790 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
791 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
792
793 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
794 if (extst & AC97_EA_SPDIF) {
795 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
796 }
797 }
62932df8 798 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 799
800 return change;
801}
802
ee42381e 803static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 804{
ee42381e 805 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 806 int reg = kcontrol->private_value & 0xff;
7194eda1 807 int shift = (kcontrol->private_value >> 8) & 0x0f;
1da177e4
LT		 808 int mask = (kcontrol->private_value >> 16) & 0xff;
809 // int invert = (kcontrol->private_value >> 24) & 0xff;
810 unsigned short value, old, new;
811 int change;
812
813 value = (ucontrol->value.integer.value[0] & mask);
814
62932df8 815 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 816 mask <<= shift;
817 value <<= shift;
818 old = snd_ac97_read_cache(ac97, reg);
819 new = (old & ~mask) | value;
820 change = old != new;
821
822 if (change) {
823 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
824 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
825 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
826 if (extst & AC97_EA_SPDIF)
827 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
828 }
62932df8 829 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 830 return change;
831}
832
ac519028 833static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
1da177e4
LT		 834 {
835 .access = SNDRV_CTL_ELEM_ACCESS_READ,
836 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
837 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
838 .info = snd_ac97_spdif_mask_info,
839 .get = snd_ac97_spdif_cmask_get,
840 },
841 {
842 .access = SNDRV_CTL_ELEM_ACCESS_READ,
843 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
844 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
845 .info = snd_ac97_spdif_mask_info,
846 .get = snd_ac97_spdif_pmask_get,
847 },
848 {
849 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
850 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
851 .info = snd_ac97_spdif_mask_info,
852 .get = snd_ac97_spdif_default_get,
853 .put = snd_ac97_spdif_default_put,
854 },
855
856 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
857 {
858 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
859 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
860 .info = snd_ac97_info_volsw,
861 .get = snd_ac97_get_volsw,
862 .put = snd_ac97_put_spsa,
863 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
864 },
865};
866
867#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
868{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
869 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
870 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
871
ee42381e 872static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4 873{
ee42381e 874 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 875 int mask = (kcontrol->private_value >> 16) & 0x0f;
876 int lshift = (kcontrol->private_value >> 8) & 0x0f;
877 int rshift = (kcontrol->private_value >> 12) & 0x0f;
878
879 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
880 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
881 uinfo->count = 2;
882 else
883 uinfo->count = 1;
884 uinfo->value.integer.min = 0;
885 uinfo->value.integer.max = mask;
886 return 0;
887}
888
ee42381e 889static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 890{
ee42381e 891 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 892 int codec = kcontrol->private_value & 3;
893 int lshift = (kcontrol->private_value >> 8) & 0x0f;
894 int rshift = (kcontrol->private_value >> 12) & 0x0f;
895 int mask = (kcontrol->private_value >> 16) & 0xff;
896
897 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
898 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
899 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
900 return 0;
901}
902
ee42381e 903static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 904{
ee42381e 905 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 906 int codec = kcontrol->private_value & 3;
907 int lshift = (kcontrol->private_value >> 8) & 0x0f;
908 int rshift = (kcontrol->private_value >> 12) & 0x0f;
909 int mask = (kcontrol->private_value >> 16) & 0xff;
910 unsigned short val, valmask;
911
912 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
913 valmask = mask << lshift;
914 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
915 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
916 valmask |= mask << rshift;
917 }
918 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
919}
920
921#define AD18XX_PCM_VOLUME(xname, codec) \
922{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
923 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
924 .private_value = codec }
925
ee42381e 926static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 927{
928 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
929 uinfo->count = 2;
930 uinfo->value.integer.min = 0;
931 uinfo->value.integer.max = 31;
932 return 0;
933}
934
ee42381e 935static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 936{
ee42381e 937 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 938 int codec = kcontrol->private_value & 3;
939
62932df8 940 mutex_lock(&ac97->page_mutex);
054b81d7
GG		 941 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
942 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
62932df8 943 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 944 return 0;
945}
946
ee42381e 947static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 948{
ee42381e 949 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 950 int codec = kcontrol->private_value & 3;
951 unsigned short val1, val2;
952
953 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
954 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
955 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
956}
957
ee42381e 958static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
1da177e4
LT		 959AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
960AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
961};
962
ee42381e 963static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
1da177e4
LT		 964AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
965AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
966};
967
ee42381e 968static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
1da177e4
LT		 969AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
970AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
971};
972
ee42381e 973static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
1da177e4
LT		 974AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
975AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
976};
977
978/*
979 *
980 */
981
ee42381e 982static void snd_ac97_powerdown(struct snd_ac97 *ac97);
1da177e4 983
ee42381e 984static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
1da177e4
LT		 985{
986 if (bus) {
987 snd_ac97_bus_proc_done(bus);
988 kfree(bus->pcms);
989 if (bus->private_free)
990 bus->private_free(bus);
991 kfree(bus);
992 }
993 return 0;
994}
995
ee42381e 996static int snd_ac97_bus_dev_free(struct snd_device *device)
1da177e4 997{
ee42381e 998 struct snd_ac97_bus *bus = device->device_data;
1da177e4
LT		 999 return snd_ac97_bus_free(bus);
1000}
1001
ee42381e 1002static int snd_ac97_free(struct snd_ac97 *ac97)
1da177e4
LT		 1003{
1004 if (ac97) {
6dbe6628 1005#ifdef CONFIG_SND_AC97_POWER_SAVE
5b84ba26 1006 cancel_delayed_work_sync(&ac97->power_work);
6dbe6628 1007#endif
1da177e4 1008 snd_ac97_proc_done(ac97);
2ba71978 1009 if (ac97->bus)
1da177e4 1010 ac97->bus->codec[ac97->num] = NULL;
1da177e4
LT		 1011 if (ac97->private_free)
1012 ac97->private_free(ac97);
1013 kfree(ac97);
1014 }
1015 return 0;
1016}
1017
ee42381e 1018static int snd_ac97_dev_free(struct snd_device *device)
1da177e4 1019{
ee42381e 1020 struct snd_ac97 *ac97 = device->device_data;
1da177e4
LT		 1021 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1022 return snd_ac97_free(ac97);
1023}
1024
ee42381e 1025static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1da177e4 1026{
03c2d87a 1027 unsigned short val, mask = AC97_MUTE_MASK_MONO;
1da177e4
LT		 1028
1029 if (! snd_ac97_valid_reg(ac97, reg))
1030 return 0;
1031
1032 switch (reg) {
1033 case AC97_MASTER_TONE:
03c2d87a 1034 return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0;
1da177e4 1035 case AC97_HEADPHONE:
03c2d87a 1036 return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0;
1da177e4 1037 case AC97_REC_GAIN_MIC:
03c2d87a 1038 return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0;
1da177e4 1039 case AC97_3D_CONTROL:
03c2d87a 1040 if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) {
1da177e4
LT		 1041 val = snd_ac97_read(ac97, reg);
1042 /* if nonzero - fixed and we can't set it */
1043 return val == 0;
1044 }
1045 return 0;
1046 case AC97_CENTER_LFE_MASTER: /* center */
1047 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1048 return 0;
1049 break;
1050 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1051 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1052 return 0;
1053 reg = AC97_CENTER_LFE_MASTER;
1054 mask = 0x0080;
1055 break;
1056 case AC97_SURROUND_MASTER:
1057 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1058 return 0;
1059 break;
1060 }
1061
1da177e4
LT		 1062 val = snd_ac97_read(ac97, reg);
1063 if (!(val & mask)) {
1064 /* nothing seems to be here - mute flag is not set */
1065 /* try another test */
1066 snd_ac97_write_cache(ac97, reg, val | mask);
1067 val = snd_ac97_read(ac97, reg);
ee42381e 1068 val = snd_ac97_read(ac97, reg);
1da177e4
LT		 1069 if (!(val & mask))
1070 return 0; /* nothing here */
1071 }
1072 return 1; /* success, useable */
1073}
1074
ee42381e 1075static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1da177e4
LT		 1076{
1077 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1078 unsigned char max[3] = { 63, 31, 15 };
1079 int i;
1080
50dabc2d
TI		 1081 /* first look up the static resolution table */
1082 if (ac97->res_table) {
1083 const struct snd_ac97_res_table *tbl;
1084 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1085 if (tbl->reg == reg) {
1086 *lo_max = tbl->bits & 0xff;
1087 *hi_max = (tbl->bits >> 8) & 0xff;
1088 return;
1089 }
1090 }
1091 }
1092
1da177e4
LT		 1093 *lo_max = *hi_max = 0;
1094 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1095 unsigned short val;
03c2d87a
AM		 1096 snd_ac97_write(
1097 ac97, reg,
1098 AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8)
1099 );
c9eab129 1100 /* Do the read twice due to buffers on some ac97 codecs.
59c51591 1101 * e.g. The STAC9704 returns exactly what you wrote to the register
c9eab129
JCD		 1102 * if you read it immediately. This causes the detect routine to fail.
1103 */
1104 val = snd_ac97_read(ac97, reg);
1da177e4 1105 val = snd_ac97_read(ac97, reg);
a2142674 1106 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1107 *lo_max = max[i];
a2142674 1108 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1109 *hi_max = max[i];
1110 if (*lo_max && *hi_max)
1111 break;
1112 }
1113}
1114
ac519028 1115static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1da177e4
LT		 1116{
1117 unsigned short mask, val, orig, res;
1118
1119 mask = 1 << bit;
1120 orig = snd_ac97_read(ac97, reg);
1121 val = orig ^ mask;
1122 snd_ac97_write(ac97, reg, val);
1123 res = snd_ac97_read(ac97, reg);
1124 snd_ac97_write_cache(ac97, reg, orig);
1125 return res == val;
1126}
1127
1128/* check the volume resolution of center/lfe */
ee42381e 1129static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1da177e4
LT		 1130{
1131 unsigned short val, val1;
1132
1133 *max = 63;
03c2d87a 1134 val = AC97_MUTE_MASK_STEREO | (0x20 << shift);
1da177e4
LT		 1135 snd_ac97_write(ac97, reg, val);
1136 val1 = snd_ac97_read(ac97, reg);
1137 if (val != val1) {
1138 *max = 31;
1139 }
1140 /* reset volume to zero */
03c2d87a 1141 snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO);
1da177e4
LT		 1142}
1143
1144static inline int printable(unsigned int x)
1145{
1146 x &= 0xff;
1147 if (x < ' ' || x >= 0x71) {
1148 if (x <= 0x89)
1149 return x - 0x71 + 'A';
1150 return '?';
1151 }
1152 return x;
1153}
1154
ac519028
TI		 1155static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
1156 struct snd_ac97 * ac97)
1da177e4 1157{
ee42381e 1158 struct snd_kcontrol_new template;
1da177e4 1159 memcpy(&template, _template, sizeof(template));
1da177e4
LT		 1160 template.index = ac97->num;
1161 return snd_ctl_new1(&template, ac97);
1162}
1163
1164/*
1165 * create mute switch(es) for normal stereo controls
1166 */
6dbe6628
TI		 1167static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1168 int check_stereo, int check_amix,
1169 struct snd_ac97 *ac97)
1da177e4 1170{
ee42381e 1171 struct snd_kcontrol *kctl;
1da177e4
LT		 1172 int err;
1173 unsigned short val, val1, mute_mask;
1174
1175 if (! snd_ac97_valid_reg(ac97, reg))
1176 return 0;
1177
03c2d87a 1178 mute_mask = AC97_MUTE_MASK_MONO;
1da177e4
LT		 1179 val = snd_ac97_read(ac97, reg);
1180 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1181 /* check whether both mute bits work */
03c2d87a 1182 val1 = val | AC97_MUTE_MASK_STEREO;
1da177e4
LT		 1183 snd_ac97_write(ac97, reg, val1);
1184 if (val1 == snd_ac97_read(ac97, reg))
03c2d87a 1185 mute_mask = AC97_MUTE_MASK_STEREO;
1da177e4 1186 }
03c2d87a 1187 if (mute_mask == AC97_MUTE_MASK_STEREO) {
ee42381e 1188 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
6dbe6628
TI		 1189 if (check_amix)
1190 tmp.private_value |= (1 << 30);
1da177e4
LT		 1191 tmp.index = ac97->num;
1192 kctl = snd_ctl_new1(&tmp, ac97);
1193 } else {
ee42381e 1194 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
6dbe6628
TI		 1195 if (check_amix)
1196 tmp.private_value |= (1 << 30);
1da177e4
LT		 1197 tmp.index = ac97->num;
1198 kctl = snd_ctl_new1(&tmp, ac97);
1199 }
1200 err = snd_ctl_add(card, kctl);
1201 if (err < 0)
1202 return err;
1203 /* mute as default */
1204 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1205 return 0;
1206}
1207
2f3482fb
TI		 1208/*
1209 * set dB information
1210 */
0cb29ea0
TI		 1211static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1212static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1213static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1214static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1215static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
2f3482fb 1216
0cb29ea0 1217static const unsigned int *find_db_scale(unsigned int maxval)
2f3482fb
TI		 1218{
1219 switch (maxval) {
1220 case 0x0f: return db_scale_4bit;
1221 case 0x1f: return db_scale_5bit;
1222 case 0x3f: return db_scale_6bit;
1223 }
1224 return NULL;
1225}
1226
0cb29ea0
TI		 1227static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1228{
2f3482fb
TI		 1229 kctl->tlv.p = tlv;
1230 if (tlv)
1231 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1232}
1233
1da177e4
LT		 1234/*
1235 * create a volume for normal stereo/mono controls
1236 */
ee42381e
TI		 1237static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1238 unsigned int hi_max, struct snd_ac97 *ac97)
1da177e4
LT		 1239{
1240 int err;
ee42381e 1241 struct snd_kcontrol *kctl;
1da177e4
LT		 1242
1243 if (! snd_ac97_valid_reg(ac97, reg))
1244 return 0;
1245 if (hi_max) {
1246 /* invert */
ee42381e 1247 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1da177e4
LT		 1248 tmp.index = ac97->num;
1249 kctl = snd_ctl_new1(&tmp, ac97);
1250 } else {
1251 /* invert */
ee42381e 1252 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1da177e4
LT		 1253 tmp.index = ac97->num;
1254 kctl = snd_ctl_new1(&tmp, ac97);
1255 }
733a48e5
TI		 1256 if (!kctl)
1257 return -ENOMEM;
2f3482fb
TI		 1258 if (reg >= AC97_PHONE && reg <= AC97_PCM)
1259 set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1260 else
1261 set_tlv_db_scale(kctl, find_db_scale(lo_max));
1da177e4
LT		 1262 err = snd_ctl_add(card, kctl);
1263 if (err < 0)
1264 return err;
03c2d87a
AM		 1265 snd_ac97_write_cache(
1266 ac97, reg,
1267 (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO)
1268 | lo_max | (hi_max << 8)
1269 );
1da177e4
LT		 1270 return 0;
1271}
1272
1273/*
1274 * create a mute-switch and a volume for normal stereo/mono controls
1275 */
6dbe6628
TI		 1276static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1277 int reg, int check_stereo, int check_amix,
1278 struct snd_ac97 *ac97)
1da177e4
LT		 1279{
1280 int err;
975cc02a 1281 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
1da177e4
LT		 1282 unsigned char lo_max, hi_max;
1283
1284 if (! snd_ac97_valid_reg(ac97, reg))
1285 return 0;
1286
1287 if (snd_ac97_try_bit(ac97, reg, 15)) {
1288 sprintf(name, "%s Switch", pfx);
e66fd362
TI		 1289 err = snd_ac97_cmute_new_stereo(card, name, reg,
1290 check_stereo, check_amix,
1291 ac97);
1292 if (err < 0)
1da177e4
LT		 1293 return err;
1294 }
1295 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1296 if (lo_max) {
1297 sprintf(name, "%s Volume", pfx);
e66fd362
TI		 1298 err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97);
1299 if (err < 0)
1da177e4
LT		 1300 return err;
1301 }
1302 return 0;
1303}
1304
6dbe6628
TI		 1305#define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1306 snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1307#define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1308 snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1da177e4 1309
ee42381e 1310static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1da177e4 1311
ee42381e 1312static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1da177e4 1313{
ee42381e
TI		 1314 struct snd_card *card = ac97->bus->card;
1315 struct snd_kcontrol *kctl;
1da177e4
LT		 1316 int err;
1317 unsigned int idx;
1318 unsigned char max;
1319
1320 /* build master controls */
1321 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1322 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1323 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
6dbe6628
TI		 1324 err = snd_ac97_cmute_new(card, "Master Playback Switch",
1325 AC97_MASTER, 0, ac97);
1da177e4 1326 else
6dbe6628
TI		 1327 err = snd_ac97_cmix_new(card, "Master Playback",
1328 AC97_MASTER, 0, ac97);
1da177e4
LT		 1329 if (err < 0)
1330 return err;
1331 }
1332
03c2d87a 1333 ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO;
1da177e4
LT		 1334
1335 /* build center controls */
70c5acbd
JK		 1336 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1337 && !(ac97->flags & AC97_AD_MULTI)) {
e66fd362
TI		 1338 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97));
1339 if (err < 0)
1da177e4 1340 return err;
e66fd362
TI		 1341 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97));
1342 if (err < 0)
1da177e4
LT		 1343 return err;
1344 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1345 kctl->private_value &= ~(0xff << 16);
1346 kctl->private_value |= (int)max << 16;
2f3482fb 1347 set_tlv_db_scale(kctl, find_db_scale(max));
1da177e4
LT		 1348 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1349 }
1350
1351 /* build LFE controls */
70c5acbd
JK		 1352 if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1353 && !(ac97->flags & AC97_AD_MULTI)) {
e66fd362
TI		 1354 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97));
1355 if (err < 0)
1da177e4 1356 return err;
e66fd362
TI		 1357 err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97));
1358 if (err < 0)
1da177e4
LT		 1359 return err;
1360 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1361 kctl->private_value &= ~(0xff << 16);
1362 kctl->private_value |= (int)max << 16;
2f3482fb 1363 set_tlv_db_scale(kctl, find_db_scale(max));
1da177e4
LT		 1364 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1365 }
1366
1367 /* build surround controls */
70c5acbd
JK		 1368 if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1369 && !(ac97->flags & AC97_AD_MULTI)) {
1da177e4 1370 /* Surround Master (0x38) is with stereo mutes */
e66fd362
TI		 1371 err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1372 AC97_SURROUND_MASTER, 1, 0,
1373 ac97);
1374 if (err < 0)
1da177e4
LT		 1375 return err;
1376 }
1377
1378 /* build headphone controls */
1379 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
e66fd362
TI		 1380 err = snd_ac97_cmix_new(card, "Headphone Playback",
1381 AC97_HEADPHONE, 0, ac97);
1382 if (err < 0)
1da177e4
LT		 1383 return err;
1384 }
1385
1386 /* build master mono controls */
1387 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
e66fd362
TI		 1388 err = snd_ac97_cmix_new(card, "Master Mono Playback",
1389 AC97_MASTER_MONO, 0, ac97);
1390 if (err < 0)
1da177e4
LT		 1391 return err;
1392 }
1393
1394 /* build master tone controls */
3998b70f
LG		 1395 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1396 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1397 for (idx = 0; idx < 2; idx++) {
e66fd362
TI		 1398 kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97);
1399 err = snd_ctl_add(card, kctl);
1400 if (err < 0)
3998b70f 1401 return err;
43115f58
KM		 1402 if (ac97->id == AC97_ID_YMF743 ||
1403 ac97->id == AC97_ID_YMF753) {
3998b70f
LG		 1404 kctl->private_value &= ~(0xff << 16);
1405 kctl->private_value |= 7 << 16;
1406 }
1da177e4 1407 }
3998b70f 1408 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1da177e4 1409 }
1da177e4
LT		 1410 }
1411
d355c82a 1412 /* build Beep controls */
1da177e4
LT		 1413 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1414 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1415 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
e66fd362
TI		 1416 for (idx = 0; idx < 2; idx++) {
1417 kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97);
1418 err = snd_ctl_add(card, kctl);
1419 if (err < 0)
1da177e4 1420 return err;
e66fd362 1421 }
2f3482fb 1422 set_tlv_db_scale(kctl, db_scale_4bit);
03c2d87a
AM		 1423 snd_ac97_write_cache(
1424 ac97,
1425 AC97_PC_BEEP,
1426 (snd_ac97_read(ac97, AC97_PC_BEEP)
1427 | AC97_MUTE_MASK_MONO | 0x001e)
1428 );
1da177e4
LT		 1429 }
1430
1431 /* build Phone controls */
1432 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1433 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
e66fd362
TI		 1434 err = snd_ac97_cmix_new(card, "Phone Playback",
1435 AC97_PHONE, 1, ac97);
1436 if (err < 0)
1da177e4
LT		 1437 return err;
1438 }
1439 }
1440
1441 /* build MIC controls */
3998b70f
LG		 1442 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1443 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
e66fd362
TI		 1444 err = snd_ac97_cmix_new(card, "Mic Playback",
1445 AC97_MIC, 1, ac97);
1446 if (err < 0)
3998b70f 1447 return err;
e66fd362
TI		 1448 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97));
1449 if (err < 0)
3998b70f
LG		 1450 return err;
1451 }
1da177e4
LT		 1452 }
1453
1454 /* build Line controls */
1455 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
e66fd362
TI		 1456 err = snd_ac97_cmix_new(card, "Line Playback",
1457 AC97_LINE, 1, ac97);
1458 if (err < 0)
1da177e4
LT		 1459 return err;
1460 }
1461
1462 /* build CD controls */
1463 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1464 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
e66fd362
TI		 1465 err = snd_ac97_cmix_new(card, "CD Playback",
1466 AC97_CD, 1, ac97);
1467 if (err < 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)) {
e66fd362
TI		 1475 err = snd_ac97_cmix_new(card, "Video Playback",
1476 AC97_VIDEO, 1, ac97);
1477 if (err < 0)
1da177e4
LT		 1478 return err;
1479 }
1480 }
1481
1482 /* build Aux controls */
1459c784
RG		 1483 if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1484 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
e66fd362
TI		 1485 err = snd_ac97_cmix_new(card, "Aux Playback",
1486 AC97_AUX, 1, ac97);
1487 if (err < 0)
1459c784
RG		 1488 return err;
1489 }
1da177e4
LT		 1490 }
1491
1492 /* build PCM controls */
1493 if (ac97->flags & AC97_AD_MULTI) {
1494 unsigned short init_val;
1495 if (ac97->flags & AC97_STEREO_MUTES)
1496 init_val = 0x9f9f;
1497 else
1498 init_val = 0x9f1f;
e66fd362
TI		 1499 for (idx = 0; idx < 2; idx++) {
1500 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97);
1501 err = snd_ctl_add(card, kctl);
1502 if (err < 0)
1da177e4 1503 return err;
e66fd362 1504 }
2f3482fb 1505 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1506 ac97->spec.ad18xx.pcmreg[0] = init_val;
1507 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
e66fd362
TI		 1508 for (idx = 0; idx < 2; idx++) {
1509 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97);
1510 err = snd_ctl_add(card, kctl);
1511 if (err < 0)
1da177e4 1512 return err;
e66fd362 1513 }
2f3482fb 1514 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1515 ac97->spec.ad18xx.pcmreg[1] = init_val;
1516 }
1517 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
e66fd362
TI		 1518 for (idx = 0; idx < 2; idx++) {
1519 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97);
1520 err = snd_ctl_add(card, kctl);
1521 if (err < 0)
1da177e4 1522 return err;
e66fd362 1523 }
2f3482fb 1524 set_tlv_db_scale(kctl, db_scale_5bit);
e66fd362
TI		 1525 for (idx = 0; idx < 2; idx++) {
1526 kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97);
1527 err = snd_ctl_add(card, kctl);
1528 if (err < 0)
1da177e4 1529 return err;
e66fd362 1530 }
2f3482fb 1531 set_tlv_db_scale(kctl, db_scale_5bit);
1da177e4
LT		 1532 ac97->spec.ad18xx.pcmreg[2] = init_val;
1533 }
1534 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1535 } else {
3998b70f
LG		 1536 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1537 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
6dbe6628
TI		 1538 err = snd_ac97_cmute_new(card,
1539 "PCM Playback Switch",
1540 AC97_PCM, 0, ac97);
3998b70f 1541 else
6dbe6628
TI		 1542 err = snd_ac97_cmix_new(card, "PCM Playback",
1543 AC97_PCM, 0, ac97);
3998b70f
LG		 1544 if (err < 0)
1545 return err;
1546 }
1da177e4
LT		 1547 }
1548
1549 /* build Capture controls */
1550 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
e66fd362
TI		 1551 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97));
1552 if (err < 0)
1da177e4
LT		 1553 return err;
1554 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
6dbe6628
TI		 1555 err = snd_ac97_cmute_new(card, "Capture Switch",
1556 AC97_REC_GAIN, 0, ac97);
1557 if (err < 0)
1da177e4
LT		 1558 return err;
1559 }
e66fd362
TI		 1560 kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97);
1561 err = snd_ctl_add(card, kctl);
1562 if (err < 0)
1da177e4 1563 return err;
2f3482fb 1564 set_tlv_db_scale(kctl, db_scale_rec_gain);
1da177e4
LT		 1565 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1566 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1567 }
1568 /* build MIC Capture controls */
1569 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
e66fd362
TI		 1570 for (idx = 0; idx < 2; idx++) {
1571 kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97);
1572 err = snd_ctl_add(card, kctl);
1573 if (err < 0)
1da177e4 1574 return err;
e66fd362 1575 }
2f3482fb 1576 set_tlv_db_scale(kctl, db_scale_rec_gain);
1da177e4
LT		 1577 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1578 }
1579
1580 /* build PCM out path & mute control */
1581 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
e66fd362
TI		 1582 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97));
1583 if (err < 0)
1da177e4
LT		 1584 return err;
1585 }
1586
1587 /* build Simulated Stereo Enhancement control */
03c2d87a 1588 if (ac97->caps & AC97_BC_SIM_STEREO) {
e66fd362
TI		 1589 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97));
1590 if (err < 0)
1da177e4
LT		 1591 return err;
1592 }
1593
1594 /* build 3D Stereo Enhancement control */
1595 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
e66fd362
TI		 1596 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97));
1597 if (err < 0)
1da177e4
LT		 1598 return err;
1599 }
1600
1601 /* build Loudness control */
03c2d87a 1602 if (ac97->caps & AC97_BC_LOUDNESS) {
e66fd362
TI		 1603 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97));
1604 if (err < 0)
1da177e4
LT		 1605 return err;
1606 }
1607
1608 /* build Mono output select control */
1609 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
e66fd362
TI		 1610 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97));
1611 if (err < 0)
1da177e4
LT		 1612 return err;
1613 }
1614
1615 /* build Mic select control */
1616 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
e66fd362
TI		 1617 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97));
1618 if (err < 0)
1da177e4
LT		 1619 return err;
1620 }
1621
1622 /* build ADC/DAC loopback control */
1623 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
e66fd362
TI		 1624 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97));
1625 if (err < 0)
1da177e4
LT		 1626 return err;
1627 }
1628
1629 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1630
1631 /* build 3D controls */
1632 if (ac97->build_ops->build_3d) {
1633 ac97->build_ops->build_3d(ac97);
1634 } else {
1635 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1636 unsigned short val;
1637 val = 0x0707;
1638 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1639 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1640 val = val == 0x0606;
e66fd362
TI		 1641 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97);
1642 err = snd_ctl_add(card, kctl);
1643 if (err < 0)
1da177e4
LT		 1644 return err;
1645 if (val)
1646 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
e66fd362
TI		 1647 kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97);
1648 err = snd_ctl_add(card, kctl);
1649 if (err < 0)
1da177e4
LT		 1650 return err;
1651 if (val)
1652 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1653 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1654 }
1655 }
1656
1657 /* build S/PDIF controls */
7b89190c
MS		 1658
1659 /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1660 if (ac97->subsystem_vendor == 0x1043 &&
1661 ac97->subsystem_device == 0x810f)
1662 ac97->ext_id |= AC97_EI_SPDIF;
1663
1da177e4
LT		 1664 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1665 if (ac97->build_ops->build_spdif) {
e66fd362
TI		 1666 err = ac97->build_ops->build_spdif(ac97);
1667 if (err < 0)
1da177e4
LT		 1668 return err;
1669 } else {
e66fd362
TI		 1670 for (idx = 0; idx < 5; idx++) {
1671 err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97));
1672 if (err < 0)
1da177e4 1673 return err;
e66fd362 1674 }
1da177e4 1675 if (ac97->build_ops->build_post_spdif) {
e66fd362
TI		 1676 err = ac97->build_ops->build_post_spdif(ac97);
1677 if (err < 0)
1da177e4
LT		 1678 return err;
1679 }
1680 /* set default PCM S/PDIF params */
1681 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1682 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1683 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1684 }
1685 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1686 }
1687
1688 /* build chip specific controls */
e66fd362
TI		 1689 if (ac97->build_ops->build_specific) {
1690 err = ac97->build_ops->build_specific(ac97);
1691 if (err < 0)
1da177e4 1692 return err;
e66fd362 1693 }
1da177e4
LT		 1694
1695 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1696 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1697 if (! kctl)
1698 return -ENOMEM;
1699 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1700 set_inv_eapd(ac97, kctl);
e66fd362
TI		 1701 err = snd_ctl_add(card, kctl);
1702 if (err < 0)
1da177e4
LT		 1703 return err;
1704 }
1705
1706 return 0;
1707}
1708
ee42381e 1709static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1da177e4 1710{
87d61c29
SK		 1711 int err, idx;
1712
ee419653 1713 /*
38c16e34 1714 ac97_dbg(ac97, "AC97_GPIO_CFG = %x\n",
ee419653
TI		 1715 snd_ac97_read(ac97,AC97_GPIO_CFG));
1716 */
1da177e4
LT		 1717 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1718 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1719 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1720 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1721 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1722
1723 /* build modem switches */
e66fd362
TI		 1724 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) {
1725 err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97));
1726 if (err < 0)
87d61c29 1727 return err;
e66fd362 1728 }
87d61c29
SK		 1729
1730 /* build chip specific controls */
e66fd362
TI		 1731 if (ac97->build_ops->build_specific) {
1732 err = ac97->build_ops->build_specific(ac97);
1733 if (err < 0)
87d61c29 1734 return err;
e66fd362 1735 }
87d61c29 1736
1da177e4
LT		 1737 return 0;
1738}
1739
ee42381e 1740static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1da177e4
LT		 1741{
1742 unsigned short val;
1743 unsigned int tmp;
1744
1745 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1746 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1747 if (shadow_reg)
1748 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1749 val = snd_ac97_read(ac97, reg);
1750 return val == (tmp & 0xffff);
1751}
1752
ee42381e 1753static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1da177e4
LT		 1754{
1755 unsigned int result = 0;
1756 unsigned short saved;
1757
1758 if (ac97->bus->no_vra) {
1759 *r_result = SNDRV_PCM_RATE_48000;
1760 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1761 reg == AC97_PCM_FRONT_DAC_RATE)
1762 *r_result |= SNDRV_PCM_RATE_96000;
1763 return;
1764 }
1765
1766 saved = snd_ac97_read(ac97, reg);
1767 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1768 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1769 AC97_EA_DRA, 0);
1770 /* test a non-standard rate */
1771 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1772 result |= SNDRV_PCM_RATE_CONTINUOUS;
1773 /* let's try to obtain standard rates */
1774 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1775 result |= SNDRV_PCM_RATE_8000;
1776 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1777 result |= SNDRV_PCM_RATE_11025;
1778 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1779 result |= SNDRV_PCM_RATE_16000;
1780 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1781 result |= SNDRV_PCM_RATE_22050;
1782 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1783 result |= SNDRV_PCM_RATE_32000;
1784 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1785 result |= SNDRV_PCM_RATE_44100;
1786 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1787 result |= SNDRV_PCM_RATE_48000;
1788 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1789 reg == AC97_PCM_FRONT_DAC_RATE) {
1790 /* test standard double rates */
1791 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1792 AC97_EA_DRA, AC97_EA_DRA);
1793 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1794 result |= SNDRV_PCM_RATE_64000;
1795 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1796 result |= SNDRV_PCM_RATE_88200;
1797 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1798 result |= SNDRV_PCM_RATE_96000;
1799 /* some codecs don't support variable double rates */
1800 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1801 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1802 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1803 AC97_EA_DRA, 0);
1804 }
1805 /* restore the default value */
1806 snd_ac97_write_cache(ac97, reg, saved);
1807 if (shadow_reg)
1808 snd_ac97_write_cache(ac97, shadow_reg, saved);
1809 *r_result = result;
1810}
1811
1812/* check AC97_SPDIF register to accept which sample rates */
ee42381e 1813static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1da177e4
LT		 1814{
1815 unsigned int result = 0;
1816 int i;
1675bfc0 1817 static const unsigned short ctl_bits[] = {
1da177e4
LT		 1818 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1819 };
1675bfc0 1820 static const unsigned int rate_bits[] = {
1da177e4
LT		 1821 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1822 };
1823
1824 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1825 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1826 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1827 result |= rate_bits[i];
1828 }
1829 return result;
1830}
1831
1832/* look for the codec id table matching with the given id */
ee42381e
TI		 1833static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1834 unsigned int id)
1da177e4 1835{
ee42381e 1836 const struct ac97_codec_id *pid;
1da177e4
LT		 1837
1838 for (pid = table; pid->id; pid++)
1839 if (pid->id == (id & pid->mask))
1840 return pid;
1841 return NULL;
1842}
1843
ee42381e 1844void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1da177e4 1845{
ee42381e 1846 const struct ac97_codec_id *pid;
1da177e4
LT		 1847
1848 sprintf(name, "0x%x %c%c%c", id,
1849 printable(id >> 24),
1850 printable(id >> 16),
1851 printable(id >> 8));
1852 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1853 if (! pid)
1854 return;
1855
1856 strcpy(name, pid->name);
1857 if (ac97 && pid->patch) {
1858 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1859 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1860 pid->patch(ac97);
1861 }
1862
1863 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1864 if (pid) {
1865 strcat(name, " ");
1866 strcat(name, pid->name);
1867 if (pid->mask != 0xffffffff)
1868 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1869 if (ac97 && pid->patch) {
1870 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1871 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1872 pid->patch(ac97);
1873 }
1874 } else
1875 sprintf(name + strlen(name), " id %x", id & 0xff);
1876}
1877
1878/**
1879 * snd_ac97_get_short_name - retrieve codec name
1880 * @ac97: the codec instance
1881 *
eb7c06e8 1882 * Return: The short identifying name of the codec.
1da177e4 1883 */
ee42381e 1884const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1da177e4 1885{
ee42381e 1886 const struct ac97_codec_id *pid;
1da177e4
LT		 1887
1888 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1889 if (pid->id == (ac97->id & pid->mask))
1890 return pid->name;
1891 return "unknown codec";
1892}
1893
7b09679c 1894EXPORT_SYMBOL(snd_ac97_get_short_name);
1da177e4
LT		 1895
1896/* wait for a while until registers are accessible after RESET
1897 * return 0 if ok, negative not ready
1898 */
ee42381e 1899static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1da177e4
LT		 1900{
1901 unsigned long end_time;
1902 unsigned short val;
1903
1904 end_time = jiffies + timeout;
1905 do {
1906
1907 /* use preliminary reads to settle the communication */
1908 snd_ac97_read(ac97, AC97_RESET);
1909 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1910 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1911 /* modem? */
1912 if (with_modem) {
1913 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1914 if (val != 0xffff && (val & 1) != 0)
1915 return 0;
1916 }
1917 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1918 /* probably only Xbox issue - all registers are read as zero */
1919 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1920 if (val != 0 && val != 0xffff)
1921 return 0;
1922 } else {
1923 /* because the PCM or MASTER volume registers can be modified,
1924 * the REC_GAIN register is used for tests
1925 */
1926 /* test if we can write to the record gain volume register */
1927 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1928 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1929 return 0;
1930 }
8433a509 1931 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1932 } while (time_after_eq(end_time, jiffies));
1933 return -ENODEV;
1934}
1935
1936/**
1937 * snd_ac97_bus - create an AC97 bus component
1938 * @card: the card instance
1939 * @num: the bus number
1940 * @ops: the bus callbacks table
1941 * @private_data: private data pointer for the new instance
1942 * @rbus: the pointer to store the new AC97 bus instance.
1943 *
ee42381e 1944 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1da177e4
LT		 1945 * allocated and initialized.
1946 *
1947 * The ops table must include valid callbacks (at least read and
1948 * write). The other callbacks, wait and reset, are not mandatory.
1949 *
1950 * The clock is set to 48000. If another clock is needed, set
1936f004 1951 * ``(*rbus)->clock`` manually.
1da177e4
LT		 1952 *
1953 * The AC97 bus instance is registered as a low-level device, so you don't
1954 * have to release it manually.
1955 *
eb7c06e8 1956 * Return: Zero if successful, or a negative error code on failure.
1da177e4 1957 */
19260818
TI		 1958int snd_ac97_bus(struct snd_card *card, int num,
1959 const struct snd_ac97_bus_ops *ops,
ee42381e 1960 void *private_data, struct snd_ac97_bus **rbus)
1da177e4
LT		 1961{
1962 int err;
ee42381e 1963 struct snd_ac97_bus *bus;
efb0ad25 1964 static const struct snd_device_ops dev_ops = {
1da177e4
LT		 1965 .dev_free = snd_ac97_bus_dev_free,
1966 };
1967
da3cec35
TI		 1968 if (snd_BUG_ON(!card))
1969 return -EINVAL;
e560d8d8 1970 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 1971 if (bus == NULL)
1972 return -ENOMEM;
1973 bus->card = card;
1974 bus->num = num;
1975 bus->ops = ops;
1976 bus->private_data = private_data;
1977 bus->clock = 48000;
1978 spin_lock_init(&bus->bus_lock);
1979 snd_ac97_bus_proc_init(bus);
e66fd362
TI		 1980 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
1981 if (err < 0) {
1da177e4
LT		 1982 snd_ac97_bus_free(bus);
1983 return err;
1984 }
da3cec35
TI		 1985 if (rbus)
1986 *rbus = bus;
1da177e4
LT		 1987 return 0;
1988}
1989
7b09679c
TI		 1990EXPORT_SYMBOL(snd_ac97_bus);
1991
0ca06a00
LG		 1992/* stop no dev release warning */
1993static void ac97_device_release(struct device * dev)
1994{
1995}
1996
1997/* register ac97 codec to bus */
ee42381e 1998static int snd_ac97_dev_register(struct snd_device *device)
0ca06a00 1999{
ee42381e 2000 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 2001 int err;
2002
2003 ac97->dev.bus = &ac97_bus_type;
2004 ac97->dev.parent = ac97->bus->card->dev;
0ca06a00 2005 ac97->dev.release = ac97_device_release;
096a9571
KS		 2006 dev_set_name(&ac97->dev, "%d-%d:%s",
2007 ac97->bus->card->number, ac97->num,
2008 snd_ac97_get_short_name(ac97));
e66fd362
TI		 2009 err = device_register(&ac97->dev);
2010 if (err < 0) {
38c16e34 2011 ac97_err(ac97, "Can't register ac97 bus\n");
0ca06a00
LG		 2012 ac97->dev.bus = NULL;
2013 return err;
2014 }
2015 return 0;
2016}
2017
c461482c
TI		 2018/* disconnect ac97 codec */
2019static int snd_ac97_dev_disconnect(struct snd_device *device)
0ca06a00 2020{
ee42381e 2021 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 2022 if (ac97->dev.bus)
2023 device_unregister(&ac97->dev);
c461482c 2024 return 0;
0ca06a00
LG		 2025}
2026
1da177e4 2027/* build_ops to do nothing */
3e8b3b90 2028static const struct snd_ac97_build_ops null_build_ops;
1da177e4 2029
6dbe6628 2030#ifdef CONFIG_SND_AC97_POWER_SAVE
c4028958 2031static void do_update_power(struct work_struct *work)
6dbe6628 2032{
c4028958
DH		 2033 update_power_regs(
2034 container_of(work, struct snd_ac97, power_work.work));
6dbe6628
TI		 2035}
2036#endif
2037
1da177e4
LT		 2038/**
2039 * snd_ac97_mixer - create an Codec97 component
2040 * @bus: the AC97 bus which codec is attached to
2041 * @template: the template of ac97, including index, callbacks and
2042 * the private data.
2043 * @rac97: the pointer to store the new ac97 instance.
2044 *
ee42381e 2045 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1da177e4
LT		 2046 * allocated and initialized from the template. The codec
2047 * is then initialized by the standard procedure.
2048 *
2049 * The template must include the codec number (num) and address (addr),
2050 * and the private data (private_data).
2051 *
2052 * The ac97 instance is registered as a low-level device, so you don't
2053 * have to release it manually.
2054 *
eb7c06e8 2055 * Return: Zero if successful, or a negative error code on failure.
1da177e4 2056 */
ee42381e 2057int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1da177e4
LT		 2058{
2059 int err;
ee42381e
TI		 2060 struct snd_ac97 *ac97;
2061 struct snd_card *card;
1da177e4
LT		 2062 char name[64];
2063 unsigned long end_time;
2064 unsigned int reg;
ee42381e 2065 const struct ac97_codec_id *pid;
efb0ad25 2066 static const struct snd_device_ops ops = {
1da177e4 2067 .dev_free = snd_ac97_dev_free,
0ca06a00 2068 .dev_register = snd_ac97_dev_register,
c461482c 2069 .dev_disconnect = snd_ac97_dev_disconnect,
1da177e4
LT		 2070 };
2071
da3cec35
TI		 2072 if (rac97)
2073 *rac97 = NULL;
2074 if (snd_BUG_ON(!bus || !template))
2075 return -EINVAL;
2076 if (snd_BUG_ON(template->num >= 4))
2077 return -EINVAL;
2078 if (bus->codec[template->num])
2079 return -EBUSY;
1da177e4 2080
1da177e4 2081 card = bus->card;
e560d8d8 2082 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1da177e4
LT		 2083 if (ac97 == NULL)
2084 return -ENOMEM;
2085 ac97->private_data = template->private_data;
2086 ac97->private_free = template->private_free;
2087 ac97->bus = bus;
2088 ac97->pci = template->pci;
2089 ac97->num = template->num;
2090 ac97->addr = template->addr;
2091 ac97->scaps = template->scaps;
7c5706bb 2092 ac97->res_table = template->res_table;
1da177e4 2093 bus->codec[ac97->num] = ac97;
62932df8
IM		 2094 mutex_init(&ac97->reg_mutex);
2095 mutex_init(&ac97->page_mutex);
6dbe6628 2096#ifdef CONFIG_SND_AC97_POWER_SAVE
c4028958 2097 INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
6dbe6628 2098#endif
1da177e4 2099
adf1b3d2 2100#ifdef CONFIG_PCI
1da177e4
LT		 2101 if (ac97->pci) {
2102 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2103 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2104 }
adf1b3d2 2105#endif
1da177e4
LT		 2106 if (bus->ops->reset) {
2107 bus->ops->reset(ac97);
2108 goto __access_ok;
2109 }
2110
2111 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2112 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2113 if (ac97->id && ac97->id != (unsigned int)-1) {
2114 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2115 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2116 goto __access_ok;
2117 }
2118
23fea4da
SK		 2119 /* reset to defaults */
2120 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2121 snd_ac97_write(ac97, AC97_RESET, 0);
2122 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2123 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 2124 if (bus->ops->wait)
2125 bus->ops->wait(ac97);
2126 else {
2127 udelay(50);
2128 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
45cffef1 2129 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);
1da177e4 2130 else {
45cffef1 2131 err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);
1da177e4 2132 if (err < 0)
45cffef1
TI		 2133 err = ac97_reset_wait(ac97,
2134 msecs_to_jiffies(500), 1);
1da177e4
LT		 2135 }
2136 if (err < 0) {
38c16e34
TI		 2137 ac97_warn(ac97, "AC'97 %d does not respond - RESET\n",
2138 ac97->num);
1da177e4
LT		 2139 /* proceed anyway - it's often non-critical */
2140 }
2141 }
2142 __access_ok:
2143 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2144 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2145 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2146 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
38c16e34
TI		 2147 ac97_err(ac97,
2148 "AC'97 %d access is not valid [0x%x], removing mixer.\n",
2149 ac97->num, ac97->id);
1da177e4
LT		 2150 snd_ac97_free(ac97);
2151 return -EIO;
2152 }
2153 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2154 if (pid)
2155 ac97->flags |= pid->flags;
2156
2157 /* test for AC'97 */
2158 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2159 /* test if we can write to the record gain volume register */
2160 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
e66fd362
TI		 2161 err = snd_ac97_read(ac97, AC97_REC_GAIN);
2162 if ((err & 0x7fff) == 0x0a06)
1da177e4
LT		 2163 ac97->scaps |= AC97_SCAP_AUDIO;
2164 }
2165 if (ac97->scaps & AC97_SCAP_AUDIO) {
2166 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2167 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2168 if (ac97->ext_id == 0xffff) /* invalid combination */
2169 ac97->ext_id = 0;
2170 }
2171
2172 /* test for MC'97 */
2173 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2174 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2175 if (ac97->ext_mid == 0xffff) /* invalid combination */
2176 ac97->ext_mid = 0;
2177 if (ac97->ext_mid & 1)
2178 ac97->scaps |= AC97_SCAP_MODEM;
2179 }
2180
2181 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2182 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
38c16e34
TI		 2183 ac97_err(ac97,
2184 "AC'97 %d access error (not audio or modem codec)\n",
2185 ac97->num);
1da177e4
LT		 2186 snd_ac97_free(ac97);
2187 return -EACCES;
2188 }
2189
2190 if (bus->ops->reset) // FIXME: always skipping?
2191 goto __ready_ok;
2192
2193 /* FIXME: add powerdown control */
2194 if (ac97_is_audio(ac97)) {
2195 /* nothing should be in powerdown mode */
2196 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2197 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2198 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2199 udelay(100);
2200 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
2201 }
2202 /* nothing should be in powerdown mode */
2203 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
f7489027 2204 end_time = jiffies + msecs_to_jiffies(5000);
1da177e4
LT		 2205 do {
2206 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2207 goto __ready_ok;
8433a509 2208 schedule_timeout_uninterruptible(1);
1da177e4 2209 } while (time_after_eq(end_time, jiffies));
38c16e34
TI		 2210 ac97_warn(ac97,
2211 "AC'97 %d analog subsections not ready\n", ac97->num);
1da177e4
LT		 2212 }
2213
2214 /* FIXME: add powerdown control */
2215 if (ac97_is_modem(ac97)) {
2216 unsigned char tmp;
2217
2218 /* nothing should be in powerdown mode */
2219 /* note: it's important to set the rate at first */
2220 tmp = AC97_MEA_GPIO;
2221 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 2222 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 2223 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2224 }
2225 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 2226 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 2227 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2228 }
2229 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 2230 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 2231 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2232 }
8e8311b0 2233 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2234 udelay(100);
2235 /* nothing should be in powerdown mode */
8e8311b0 2236 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
45cffef1 2237 end_time = jiffies + msecs_to_jiffies(100);
1da177e4
LT		 2238 do {
2239 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2240 goto __ready_ok;
8433a509 2241 schedule_timeout_uninterruptible(1);
1da177e4 2242 } while (time_after_eq(end_time, jiffies));
38c16e34
TI		 2243 ac97_warn(ac97,
2244 "MC'97 %d converters and GPIO not ready (0x%x)\n",
2245 ac97->num,
2246 snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
1da177e4
LT		 2247 }
2248
2249 __ready_ok:
2250 if (ac97_is_audio(ac97))
2251 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2252 else
2253 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2254 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2255 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2256 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2257 if (! bus->no_vra)
2258 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2259 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2260 }
2261 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2262 /* Intel controllers require double rate data to be put in
2263 * slots 7+8, so let's hope the codec supports it. */
2264 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2265 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2266 ac97->flags |= AC97_DOUBLE_RATE;
091e95ee
TI		 2267 /* restore to slots 10/11 to avoid the confliction with surrounds */
2268 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
1da177e4
LT		 2269 }
2270 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2271 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2272 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2273 } else {
2274 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2275 if (ac97->flags & AC97_DOUBLE_RATE)
2276 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2277 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2278 }
2279 if (ac97->ext_id & AC97_EI_SPDIF) {
2280 /* codec specific code (patch) should override these values */
2281 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2282 }
2283 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2284 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2285 } else {
2286 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2287 }
2288 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2289 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2290 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2291 }
2292 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2293 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2294 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2295 }
2296 /* additional initializations */
2297 if (bus->ops->init)
2298 bus->ops->init(ac97);
2299 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2300 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2301 if (! ac97->build_ops)
2302 ac97->build_ops = &null_build_ops;
2303
2304 if (ac97_is_audio(ac97)) {
2305 char comp[16];
2306 if (card->mixername[0] == '\0') {
2307 strcpy(card->mixername, name);
2308 } else {
2309 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2310 strcat(card->mixername, ",");
2311 strcat(card->mixername, name);
2312 }
2313 }
2314 sprintf(comp, "AC97a:%08x", ac97->id);
e66fd362
TI		 2315 err = snd_component_add(card, comp);
2316 if (err < 0) {
1da177e4
LT		 2317 snd_ac97_free(ac97);
2318 return err;
2319 }
2320 if (snd_ac97_mixer_build(ac97) < 0) {
2321 snd_ac97_free(ac97);
2322 return -ENOMEM;
2323 }
2324 }
2325 if (ac97_is_modem(ac97)) {
2326 char comp[16];
2327 if (card->mixername[0] == '\0') {
2328 strcpy(card->mixername, name);
2329 } else {
2330 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2331 strcat(card->mixername, ",");
2332 strcat(card->mixername, name);
2333 }
2334 }
2335 sprintf(comp, "AC97m:%08x", ac97->id);
e66fd362
TI		 2336 err = snd_component_add(card, comp);
2337 if (err < 0) {
1da177e4
LT		 2338 snd_ac97_free(ac97);
2339 return err;
2340 }
2341 if (snd_ac97_modem_build(card, ac97) < 0) {
2342 snd_ac97_free(ac97);
2343 return -ENOMEM;
2344 }
2345 }
6dbe6628
TI		 2346 if (ac97_is_audio(ac97))
2347 update_power_regs(ac97);
1da177e4 2348 snd_ac97_proc_init(ac97);
e66fd362
TI		 2349 err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops);
2350 if (err < 0) {
1da177e4
LT		 2351 snd_ac97_free(ac97);
2352 return err;
2353 }
2354 *rac97 = ac97;
1da177e4
LT		 2355 return 0;
2356}
2357
7b09679c 2358EXPORT_SYMBOL(snd_ac97_mixer);
1da177e4
LT		 2359
2360/*
2361 * Power down the chip.
2362 *
2363 * MASTER and HEADPHONE registers are muted but the register cache values
2364 * are not changed, so that the values can be restored in snd_ac97_resume().
2365 */
ee42381e 2366static void snd_ac97_powerdown(struct snd_ac97 *ac97)
1da177e4
LT		 2367{
2368 unsigned short power;
2369
2370 if (ac97_is_audio(ac97)) {
2371 /* some codecs have stereo mute bits */
2372 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2373 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2374 }
2375
6dbe6628
TI		 2376 /* surround, CLFE, mic powerdown */
2377 power = ac97->regs[AC97_EXTENDED_STATUS];
2378 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2379 power |= AC97_EA_PRJ;
2380 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2381 power |= AC97_EA_PRI | AC97_EA_PRK;
2382 power |= AC97_EA_PRL;
2383 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2384
2385 /* powerdown external amplifier */
2386 if (ac97->scaps & AC97_SCAP_INV_EAPD)
2387 power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2388 else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2389 power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2390 power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2391 power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
1da177e4
LT		 2392 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2393 udelay(100);
6cabf6b0 2394 power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */
1da177e4 2395 snd_ac97_write(ac97, AC97_POWERDOWN, power);
f1a63a38 2396 if (ac97_is_power_save_mode(ac97)) {
6cabf6b0
TI		 2397 power |= AC97_PD_PR3; /* Analog Mixer powerdown */
2398 snd_ac97_write(ac97, AC97_POWERDOWN, power);
6dbe6628
TI		 2399 udelay(100);
2400 /* AC-link powerdown, internal Clk disable */
2401 /* FIXME: this may cause click noises on some boards */
2402 power |= AC97_PD_PR4 | AC97_PD_PR5;
2403 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2404 }
1da177e4
LT		 2405}
2406
2407
6dbe6628
TI		 2408struct ac97_power_reg {
2409 unsigned short reg;
2410 unsigned short power_reg;
2411 unsigned short mask;
2412};
2413
2414enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
2415
1675bfc0 2416static const struct ac97_power_reg power_regs[PWIDX_SIZE] = {
6dbe6628
TI		 2417 [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
2418 [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
2419 [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
2420 AC97_EA_PRI | AC97_EA_PRK},
2421 [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
2422 AC97_EA_PRJ},
2423 [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
2424 AC97_EA_PRL},
2425};
2426
2427#ifdef CONFIG_SND_AC97_POWER_SAVE
2428/**
2429 * snd_ac97_update_power - update the powerdown register
2430 * @ac97: the codec instance
2431 * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE
2432 * @powerup: non-zero when power up the part
2433 *
2434 * Update the AC97 powerdown register bits of the given part.
eb7c06e8
YB		 2435 *
2436 * Return: Zero.
6dbe6628
TI		 2437 */
2438int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2439{
2440 int i;
2441
2442 if (! ac97)
2443 return 0;
2444
2445 if (reg) {
2446 /* SPDIF requires DAC power, too */
2447 if (reg == AC97_SPDIF)
2448 reg = AC97_PCM_FRONT_DAC_RATE;
2449 for (i = 0; i < PWIDX_SIZE; i++) {
2450 if (power_regs[i].reg == reg) {
2451 if (powerup)
2452 ac97->power_up |= (1 << i);
2453 else
2454 ac97->power_up &= ~(1 << i);
2455 break;
2456 }
2457 }
2458 }
2459
f1a63a38 2460 if (ac97_is_power_save_mode(ac97) && !powerup)
6dbe6628
TI		 2461 /* adjust power-down bits after two seconds delay
2462 * (for avoiding loud click noises for many (OSS) apps
2463 * that open/close frequently)
2464 */
45cffef1 2465 schedule_delayed_work(&ac97->power_work,
38f58227 2466 msecs_to_jiffies(power_save * 1000));
f1a63a38
TI		 2467 else {
2468 cancel_delayed_work(&ac97->power_work);
6dbe6628 2469 update_power_regs(ac97);
f1a63a38 2470 }
6dbe6628
TI		 2471
2472 return 0;
2473}
2474
2475EXPORT_SYMBOL(snd_ac97_update_power);
2476#endif /* CONFIG_SND_AC97_POWER_SAVE */
2477
2478static void update_power_regs(struct snd_ac97 *ac97)
2479{
2480 unsigned int power_up, bits;
2481 int i;
2482
f1a63a38
TI		 2483 power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2484 power_up |= (1 << PWIDX_MIC);
2485 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2486 power_up |= (1 << PWIDX_SURR);
2487 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2488 power_up |= (1 << PWIDX_CLFE);
6dbe6628 2489#ifdef CONFIG_SND_AC97_POWER_SAVE
f1a63a38 2490 if (ac97_is_power_save_mode(ac97))
6dbe6628 2491 power_up = ac97->power_up;
6dbe6628
TI		 2492#endif
2493 if (power_up) {
2494 if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2495 /* needs power-up analog mix and vref */
2496 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2497 AC97_PD_PR3, 0);
2498 msleep(1);
2499 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2500 AC97_PD_PR2, 0);
2501 }
2502 }
2503 for (i = 0; i < PWIDX_SIZE; i++) {
2504 if (power_up & (1 << i))
2505 bits = 0;
2506 else
2507 bits = power_regs[i].mask;
2508 snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2509 power_regs[i].mask, bits);
2510 }
2511 if (! power_up) {
2512 if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2513 /* power down analog mix and vref */
2514 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2515 AC97_PD_PR2, AC97_PD_PR2);
2516 snd_ac97_update_bits(ac97, AC97_POWERDOWN,
2517 AC97_PD_PR3, AC97_PD_PR3);
2518 }
2519 }
2520}
2521
2522
1da177e4
LT		 2523#ifdef CONFIG_PM
2524/**
2525 * snd_ac97_suspend - General suspend function for AC97 codec
2526 * @ac97: the ac97 instance
2527 *
2528 * Suspends the codec, power down the chip.
2529 */
ee42381e 2530void snd_ac97_suspend(struct snd_ac97 *ac97)
1da177e4 2531{
e26e7545
TI		 2532 if (! ac97)
2533 return;
1da177e4
LT		 2534 if (ac97->build_ops->suspend)
2535 ac97->build_ops->suspend(ac97);
3b6baa5a 2536#ifdef CONFIG_SND_AC97_POWER_SAVE
5b84ba26 2537 cancel_delayed_work_sync(&ac97->power_work);
3b6baa5a 2538#endif
1da177e4
LT		 2539 snd_ac97_powerdown(ac97);
2540}
2541
7b09679c
TI		 2542EXPORT_SYMBOL(snd_ac97_suspend);
2543
1da177e4
LT		 2544/*
2545 * restore ac97 status
2546 */
6ddc9d2e 2547static void snd_ac97_restore_status(struct snd_ac97 *ac97)
1da177e4
LT		 2548{
2549 int i;
2550
2551 for (i = 2; i < 0x7c ; i += 2) {
2552 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2553 continue;
2554 /* restore only accessible registers
2555 * some chip (e.g. nm256) may hang up when unsupported registers
2556 * are accessed..!
2557 */
2558 if (test_bit(i, ac97->reg_accessed)) {
2559 snd_ac97_write(ac97, i, ac97->regs[i]);
2560 snd_ac97_read(ac97, i);
2561 }
2562 }
2563}
2564
2565/*
2566 * restore IEC958 status
2567 */
6ddc9d2e 2568static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
1da177e4
LT		 2569{
2570 if (ac97->ext_id & AC97_EI_SPDIF) {
2571 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2572 /* reset spdif status */
2573 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2574 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2575 if (ac97->flags & AC97_CS_SPDIF)
2576 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2577 else
2578 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2579 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2580 }
2581 }
2582}
2583
2584/**
2585 * snd_ac97_resume - General resume function for AC97 codec
2586 * @ac97: the ac97 instance
2587 *
2588 * Do the standard resume procedure, power up and restoring the
2589 * old register values.
2590 */
ee42381e 2591void snd_ac97_resume(struct snd_ac97 *ac97)
1da177e4 2592{
ef21ca24 2593 unsigned long end_time;
1da177e4 2594
e26e7545
TI		 2595 if (! ac97)
2596 return;
2597
1da177e4
LT		 2598 if (ac97->bus->ops->reset) {
2599 ac97->bus->ops->reset(ac97);
2600 goto __reset_ready;
2601 }
2602
2603 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2604 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
d6c3cf81
TI		 2605 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2606 snd_ac97_write(ac97, AC97_RESET, 0);
2607 else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2608 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 2609 udelay(100);
2610 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2611 }
2612 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2613
2614 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2615 if (ac97_is_audio(ac97)) {
2616 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
ef21ca24
NA		 2617 end_time = jiffies + msecs_to_jiffies(100);
2618 do {
1da177e4
LT		 2619 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2620 break;
8433a509 2621 schedule_timeout_uninterruptible(1);
ef21ca24 2622 } while (time_after_eq(end_time, jiffies));
1da177e4 2623 /* FIXME: extra delay */
03c2d87a
AM		 2624 ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO);
2625 if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO)
ef21ca24 2626 msleep(250);
1da177e4 2627 } else {
ef21ca24
NA		 2628 end_time = jiffies + msecs_to_jiffies(100);
2629 do {
1da177e4
LT		 2630 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2631 if (val != 0xffff && (val & 1) != 0)
2632 break;
8433a509 2633 schedule_timeout_uninterruptible(1);
ef21ca24 2634 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2635 }
2636__reset_ready:
2637
2638 if (ac97->bus->ops->init)
2639 ac97->bus->ops->init(ac97);
2640
2641 if (ac97->build_ops->resume)
2642 ac97->build_ops->resume(ac97);
2643 else {
2644 snd_ac97_restore_status(ac97);
2645 snd_ac97_restore_iec958(ac97);
2646 }
2647}
7b09679c
TI		 2648
2649EXPORT_SYMBOL(snd_ac97_resume);
1da177e4
LT		 2650#endif
2651
2652
2653/*
2654 * Hardware tuning
2655 */
2656static void set_ctl_name(char *dst, const char *src, const char *suffix)
2657{
2658 if (suffix)
2659 sprintf(dst, "%s %s", src, suffix);
2660 else
2661 strcpy(dst, src);
2662}
2663
2664/* remove the control with the given name and optional suffix */
ac519028
TI		 2665static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
2666 const char *suffix)
1da177e4 2667{
ee42381e 2668 struct snd_ctl_elem_id id;
1da177e4
LT		 2669 memset(&id, 0, sizeof(id));
2670 set_ctl_name(id.name, name, suffix);
2671 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2672 return snd_ctl_remove_id(ac97->bus->card, &id);
2673}
2674
ee42381e 2675static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2676{
ee42381e 2677 struct snd_ctl_elem_id sid;
1da177e4
LT		 2678 memset(&sid, 0, sizeof(sid));
2679 set_ctl_name(sid.name, name, suffix);
2680 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2681 return snd_ctl_find_id(ac97->bus->card, &sid);
2682}
2683
2684/* rename the control with the given name and optional suffix */
ac519028
TI		 2685static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
2686 const char *dst, const char *suffix)
1da177e4 2687{
ee42381e 2688 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
1da177e4
LT		 2689 if (kctl) {
2690 set_ctl_name(kctl->id.name, dst, suffix);
2691 return 0;
2692 }
2693 return -ENOENT;
2694}
2695
2696/* rename both Volume and Switch controls - don't check the return value */
ac519028
TI		 2697static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
2698 const char *dst)
1da177e4
LT		 2699{
2700 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2701 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2702}
2703
2704/* swap controls */
ac519028
TI		 2705static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
2706 const char *s2, const char *suffix)
1da177e4 2707{
ee42381e 2708 struct snd_kcontrol *kctl1, *kctl2;
1da177e4
LT		 2709 kctl1 = ctl_find(ac97, s1, suffix);
2710 kctl2 = ctl_find(ac97, s2, suffix);
2711 if (kctl1 && kctl2) {
2712 set_ctl_name(kctl1->id.name, s2, suffix);
2713 set_ctl_name(kctl2->id.name, s1, suffix);
2714 return 0;
2715 }
2716 return -ENOENT;
2717}
2718
2719#if 1
2720/* bind hp and master controls instead of using only hp control */
ee42381e 2721static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2722{
2723 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2724 if (err > 0) {
2725 unsigned long priv_saved = kcontrol->private_value;
2726 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2727 snd_ac97_put_volsw(kcontrol, ucontrol);
2728 kcontrol->private_value = priv_saved;
2729 }
2730 return err;
2731}
2732
2733/* ac97 tune: bind Master and Headphone controls */
ee42381e 2734static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4 2735{
ee42381e
TI		 2736 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2737 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
1da177e4
LT		 2738 if (! msw || ! mvol)
2739 return -ENOENT;
2740 msw->put = bind_hp_volsw_put;
2741 mvol->put = bind_hp_volsw_put;
2742 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2743 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2744 return 0;
2745}
2746
2747#else
2748/* ac97 tune: use Headphone control as master */
ee42381e 2749static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4
LT		 2750{
2751 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2752 return -ENOENT;
2753 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2754 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2755 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2756 return 0;
2757}
2758#endif
2759
2760/* ac97 tune: swap Headphone and Master controls */
ee42381e 2761static int tune_swap_hp(struct snd_ac97 *ac97)
1da177e4
LT		 2762{
2763 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2764 return -ENOENT;
2765 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2766 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2767 return 0;
2768}
2769
2770/* ac97 tune: swap Surround and Master controls */
ee42381e 2771static int tune_swap_surround(struct snd_ac97 *ac97)
1da177e4
LT		 2772{
2773 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2774 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2775 return -ENOENT;
2776 return 0;
2777}
2778
2779/* ac97 tune: set up mic sharing for AD codecs */
ee42381e 2780static int tune_ad_sharing(struct snd_ac97 *ac97)
1da177e4
LT		 2781{
2782 unsigned short scfg;
2783 if ((ac97->id & 0xffffff00) != 0x41445300) {
38c16e34 2784 ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n");
1da177e4
LT		 2785 return -EINVAL;
2786 }
2787 /* Turn on OMS bit to route microphone to back panel */
2788 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2789 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2790 return 0;
2791}
2792
ee42381e 2793static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
1da177e4
LT		 2794AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2795
2796/* ac97 tune: set up ALC jack-select */
ee42381e 2797static int tune_alc_jack(struct snd_ac97 *ac97)
1da177e4
LT		 2798{
2799 if ((ac97->id & 0xffffff00) != 0x414c4700) {
38c16e34
TI		 2800 ac97_err(ac97,
2801 "ac97_quirk ALC_JACK is only for Realtek codecs\n");
1da177e4
LT		 2802 return -EINVAL;
2803 }
2804 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2805 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
031c95d4
TI		 2806 if (ac97->id == AC97_ID_ALC658D)
2807 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
1da177e4
LT		 2808 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2809}
2810
2811/* ac97 tune: inversed EAPD bit */
ee42381e 2812static int tune_inv_eapd(struct snd_ac97 *ac97)
1da177e4 2813{
ee42381e 2814 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
1da177e4
LT		 2815 if (! kctl)
2816 return -ENOENT;
2817 set_inv_eapd(ac97, kctl);
2818 return 0;
2819}
2820
ee42381e 2821static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2822{
2823 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2824 if (err > 0) {
ee42381e 2825 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 2826 int shift = (kcontrol->private_value >> 8) & 0x0f;
2827 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2828 unsigned short mask;
2829 if (shift != rshift)
03c2d87a 2830 mask = AC97_MUTE_MASK_STEREO;
1da177e4 2831 else
03c2d87a
AM		 2832 mask = AC97_MUTE_MASK_MONO;
2833 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
1da177e4 2834 (ac97->regs[AC97_MASTER] & mask) == mask ?
03c2d87a 2835 AC97_PD_EAPD : 0);
1da177e4
LT		 2836 }
2837 return err;
2838}
2839
2840/* ac97 tune: EAPD controls mute LED bound with the master mute */
ee42381e 2841static int tune_mute_led(struct snd_ac97 *ac97)
1da177e4 2842{
ee42381e 2843 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
1da177e4
LT		 2844 if (! msw)
2845 return -ENOENT;
2846 msw->put = master_mute_sw_put;
2847 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
03c2d87a
AM		 2848 snd_ac97_update_bits(
2849 ac97, AC97_POWERDOWN,
2850 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2851 );
6dbe6628 2852 ac97->scaps |= AC97_SCAP_EAPD_LED;
1da177e4
LT		 2853 return 0;
2854}
2855
a0faefed
MG		 2856static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2857 struct snd_ctl_elem_value *ucontrol)
2858{
2859 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2860 if (err > 0) {
2861 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2862 int shift = (kcontrol->private_value >> 8) & 0x0f;
2863 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2864 unsigned short mask;
2865 if (shift != rshift)
03c2d87a 2866 mask = AC97_MUTE_MASK_STEREO;
a0faefed 2867 else
03c2d87a
AM		 2868 mask = AC97_MUTE_MASK_MONO;
2869 snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
a0faefed 2870 (ac97->regs[AC97_MASTER] & mask) == mask ?
03c2d87a 2871 AC97_PD_EAPD : 0);
a0faefed
MG		 2872 }
2873 return err;
2874}
2875
2876static int tune_hp_mute_led(struct snd_ac97 *ac97)
2877{
2878 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2879 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2880 if (! msw || ! mvol)
2881 return -ENOENT;
2882 msw->put = hp_master_mute_sw_put;
2883 mvol->put = bind_hp_volsw_put;
2884 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2885 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2886 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
03c2d87a
AM		 2887 snd_ac97_update_bits(
2888 ac97, AC97_POWERDOWN,
2889 AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2890 );
a0faefed
MG		 2891 return 0;
2892}
2893
1da177e4
LT		 2894struct quirk_table {
2895 const char *name;
ee42381e 2896 int (*func)(struct snd_ac97 *);
1da177e4
LT		 2897};
2898
1675bfc0 2899static const struct quirk_table applicable_quirks[] = {
1da177e4
LT		 2900 { "none", NULL },
2901 { "hp_only", tune_hp_only },
2902 { "swap_hp", tune_swap_hp },
2903 { "swap_surround", tune_swap_surround },
2904 { "ad_sharing", tune_ad_sharing },
2905 { "alc_jack", tune_alc_jack },
2906 { "inv_eapd", tune_inv_eapd },
2907 { "mute_led", tune_mute_led },
a0faefed 2908 { "hp_mute_led", tune_hp_mute_led },
1da177e4
LT		 2909};
2910
2911/* apply the quirk with the given type */
ee42381e 2912static int apply_quirk(struct snd_ac97 *ac97, int type)
1da177e4
LT		 2913{
2914 if (type <= 0)
2915 return 0;
2916 else if (type >= ARRAY_SIZE(applicable_quirks))
2917 return -EINVAL;
2918 if (applicable_quirks[type].func)
2919 return applicable_quirks[type].func(ac97);
2920 return 0;
2921}
2922
2923/* apply the quirk with the given name */
ee42381e 2924static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
1da177e4
LT		 2925{
2926 int i;
1675bfc0 2927 const struct quirk_table *q;
1da177e4
LT		 2928
2929 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2930 q = &applicable_quirks[i];
2931 if (q->name && ! strcmp(typestr, q->name))
2932 return apply_quirk(ac97, i);
2933 }
2934 /* for compatibility, accept the numbers, too */
2935 if (*typestr >= '0' && *typestr <= '9')
2936 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2937 return -EINVAL;
2938}
2939
2940/**
2941 * snd_ac97_tune_hardware - tune up the hardware
2942 * @ac97: the ac97 instance
2943 * @quirk: quirk list
2944 * @override: explicit quirk value (overrides the list if non-NULL)
2945 *
2946 * Do some workaround for each pci device, such as renaming of the
2947 * headphone (true line-out) control as "Master".
2948 * The quirk-list must be terminated with a zero-filled entry.
2949 *
eb7c06e8 2950 * Return: Zero if successful, or a negative error code on failure.
1da177e4
LT		 2951 */
2952
eab0fbfa
JP		 2953int snd_ac97_tune_hardware(struct snd_ac97 *ac97,
2954 const struct ac97_quirk *quirk, const char *override)
1da177e4
LT		 2955{
2956 int result;
2957
1da177e4
LT		 2958 /* quirk overriden? */
2959 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2960 result = apply_quirk_str(ac97, override);
2961 if (result < 0)
38c16e34
TI		 2962 ac97_err(ac97, "applying quirk type %s failed (%d)\n",
2963 override, result);
1da177e4
LT		 2964 return result;
2965 }
2966
4b499486
PP		 2967 if (! quirk)
2968 return -EINVAL;
2969
69ad07cf
JK		 2970 for (; quirk->subvendor; quirk++) {
2971 if (quirk->subvendor != ac97->subsystem_vendor)
1da177e4 2972 continue;
69ad07cf
JK		 2973 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2974 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
1da177e4
LT		 2975 if (quirk->codec_id && quirk->codec_id != ac97->id)
2976 continue;
38c16e34
TI		 2977 ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n",
2978 quirk->name, ac97->subsystem_vendor,
2979 ac97->subsystem_device);
1da177e4
LT		 2980 result = apply_quirk(ac97, quirk->type);
2981 if (result < 0)
38c16e34
TI		 2982 ac97_err(ac97,
2983 "applying quirk type %d for %s failed (%d)\n",
2984 quirk->type, quirk->name, result);
1da177e4
LT		 2985 return result;
2986 }
2987 }
2988 return 0;
2989}
2990
1da177e4 2991EXPORT_SYMBOL(snd_ac97_tune_hardware);
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