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[ALSA] ac97 - Add support of static resolution tables
[linux-2.6-block.git] / sound / pci / ac97 / ac97_codec.c
CommitLineData
1da177e4
LT		 1/*
2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * Universal interface for Audio Codec '97
4 *
5 * For more details look to AC '97 component specification revision 2.2
6 * by Intel Corporation (http://developer.intel.com).
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25#include <sound/driver.h>
26#include <linux/delay.h>
27#include <linux/init.h>
28#include <linux/slab.h>
29#include <linux/pci.h>
30#include <linux/moduleparam.h>
62932df8 31#include <linux/mutex.h>
1da177e4
LT		 32#include <sound/core.h>
33#include <sound/pcm.h>
34#include <sound/ac97_codec.h>
35#include <sound/asoundef.h>
36#include <sound/initval.h>
37#include "ac97_local.h"
38#include "ac97_id.h"
39#include "ac97_patch.h"
40
41MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
42MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
43MODULE_LICENSE("GPL");
44
45static int enable_loopback;
46
47module_param(enable_loopback, bool, 0444);
48MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
49
50/*
51
52 */
53
ee42381e 54struct ac97_codec_id {
1da177e4
LT		 55 unsigned int id;
56 unsigned int mask;
57 const char *name;
ee42381e
TI		 58 int (*patch)(struct snd_ac97 *ac97);
59 int (*mpatch)(struct snd_ac97 *ac97);
1da177e4 60 unsigned int flags;
ee42381e 61};
1da177e4 62
ee42381e 63static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
1da177e4
LT		 64{ 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
65{ 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
66{ 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
67{ 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
68{ 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
69{ 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
70{ 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
71{ 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
72{ 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
73{ 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
74{ 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
75{ 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
76{ 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
77{ 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
78{ 0x50534300, 0xffffff00, "Philips", NULL, NULL },
79{ 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
80{ 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
81{ 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
82{ 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
83{ 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
84{ 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
85{ 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
86{ 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
87{ 0, 0, NULL, NULL, NULL }
88};
89
ee42381e 90static const struct ac97_codec_id snd_ac97_codec_ids[] = {
1da177e4
LT		 91{ 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
92{ 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
93{ 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
94{ 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
95{ 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
96{ 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
97{ 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
98{ 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
99{ 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
100{ 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
101{ 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
102{ 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
103{ 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
104{ 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
105{ 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
106{ 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
107{ 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
108{ 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL },
109{ 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
110{ 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
111{ 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
112{ 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
113{ 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
114{ 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
115{ 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
a5022b0d 116{ 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
1da177e4
LT		 117{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
118{ 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
119{ 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
120{ 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
121{ 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
122{ 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
123{ 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
124{ 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
5f0dccf8 125{ 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
1da177e4
LT		 126{ 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761, NULL },
127{ 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761, NULL },
128{ 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761, NULL },
129{ 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
130{ 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
131{ 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
132{ 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
133{ 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
134{ 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
135{ 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
136{ 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
137{ 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
138{ 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
139{ 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
140{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
9398441e 141{ 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
1da177e4
LT		 142{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
143{ 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
144{ 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
145{ 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
146{ 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
147{ 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
148{ 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
149{ 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
150{ 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
151{ 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
152{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
153{ 0x4e534350, 0xffffffff, "LM4550", NULL, NULL },
154{ 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
87d61c29 155{ 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
1da177e4
LT		 156{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
157{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
158{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
159{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
160{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
161{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
4b499486 162{ 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
1da177e4
LT		 163{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
164{ 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
165{ 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
166{ 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
167{ 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
168{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
169{ 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL},
170{ 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
171{ 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
172{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
173{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
174{ 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
175{ 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
176{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
177{ 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
178{ 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
179{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
180{ 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
181{ 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
182{ 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
183{ 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
184{ 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
185{ 0, 0, NULL, NULL, NULL }
186};
187
1da177e4
LT		 188
189/*
190 * I/O routines
191 */
192
ee42381e 193static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 194{
195 if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
196 return 0;
197
198 /* filter some registers for buggy codecs */
199 switch (ac97->id) {
200 case AC97_ID_AK4540:
201 case AC97_ID_AK4542:
202 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
203 return 1;
204 return 0;
205 case AC97_ID_AD1819: /* AD1819 */
206 case AC97_ID_AD1881: /* AD1881 */
207 case AC97_ID_AD1881A: /* AD1881A */
208 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
209 return 0;
210 return 1;
211 case AC97_ID_AD1885: /* AD1885 */
212 case AC97_ID_AD1886: /* AD1886 */
213 case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
214 case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
215 if (reg == 0x5a)
216 return 1;
217 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
218 return 0;
219 return 1;
220 case AC97_ID_STAC9700:
221 case AC97_ID_STAC9704:
222 case AC97_ID_STAC9705:
223 case AC97_ID_STAC9708:
224 case AC97_ID_STAC9721:
225 case AC97_ID_STAC9744:
226 case AC97_ID_STAC9756:
227 if (reg <= 0x3a || reg >= 0x5a)
228 return 1;
229 return 0;
230 }
231 return 1;
232}
233
234/**
235 * snd_ac97_write - write a value on the given register
236 * @ac97: the ac97 instance
237 * @reg: the register to change
238 * @value: the value to set
239 *
240 * Writes a value on the given register. This will invoke the write
241 * callback directly after the register check.
242 * This function doesn't change the register cache unlike
243 * #snd_ca97_write_cache(), so use this only when you don't want to
244 * reflect the change to the suspend/resume state.
245 */
ee42381e 246void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 247{
248 if (!snd_ac97_valid_reg(ac97, reg))
249 return;
250 if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
251 /* Fix H/W bug of ALC100/100P */
252 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
253 ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
254 }
255 ac97->bus->ops->write(ac97, reg, value);
256}
257
258/**
259 * snd_ac97_read - read a value from the given register
260 *
261 * @ac97: the ac97 instance
262 * @reg: the register to read
263 *
264 * Reads a value from the given register. This will invoke the read
265 * callback directly after the register check.
266 *
267 * Returns the read value.
268 */
ee42381e 269unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 270{
271 if (!snd_ac97_valid_reg(ac97, reg))
272 return 0;
273 return ac97->bus->ops->read(ac97, reg);
274}
275
276/* read a register - return the cached value if already read */
ee42381e 277static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
1da177e4
LT		 278{
279 if (! test_bit(reg, ac97->reg_accessed)) {
280 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
281 // set_bit(reg, ac97->reg_accessed);
282 }
283 return ac97->regs[reg];
284}
285
286/**
287 * snd_ac97_write_cache - write a value on the given register and update the cache
288 * @ac97: the ac97 instance
289 * @reg: the register to change
290 * @value: the value to set
291 *
292 * Writes a value on the given register and updates the register
293 * cache. The cached values are used for the cached-read and the
294 * suspend/resume.
295 */
ee42381e 296void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 297{
298 if (!snd_ac97_valid_reg(ac97, reg))
299 return;
62932df8 300 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 301 ac97->regs[reg] = value;
302 ac97->bus->ops->write(ac97, reg, value);
303 set_bit(reg, ac97->reg_accessed);
62932df8 304 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 305}
306
307/**
308 * snd_ac97_update - update the value on the given register
309 * @ac97: the ac97 instance
310 * @reg: the register to change
311 * @value: the value to set
312 *
313 * Compares the value with the register cache and updates the value
314 * only when the value is changed.
315 *
316 * Returns 1 if the value is changed, 0 if no change, or a negative
317 * code on failure.
318 */
ee42381e 319int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
1da177e4
LT		 320{
321 int change;
322
323 if (!snd_ac97_valid_reg(ac97, reg))
324 return -EINVAL;
62932df8 325 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 326 change = ac97->regs[reg] != value;
327 if (change) {
328 ac97->regs[reg] = value;
329 ac97->bus->ops->write(ac97, reg, value);
330 }
52b72388 331 set_bit(reg, ac97->reg_accessed);
62932df8 332 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 333 return change;
334}
335
336/**
337 * snd_ac97_update_bits - update the bits on the given register
338 * @ac97: the ac97 instance
339 * @reg: the register to change
340 * @mask: the bit-mask to change
341 * @value: the value to set
342 *
343 * Updates the masked-bits on the given register only when the value
344 * is changed.
345 *
346 * Returns 1 if the bits are changed, 0 if no change, or a negative
347 * code on failure.
348 */
ee42381e 349int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
1da177e4
LT		 350{
351 int change;
352
353 if (!snd_ac97_valid_reg(ac97, reg))
354 return -EINVAL;
62932df8 355 mutex_lock(&ac97->reg_mutex);
1da177e4 356 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
62932df8 357 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 358 return change;
359}
360
361/* no lock version - see snd_ac97_updat_bits() */
ee42381e 362int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
1da177e4
LT		 363 unsigned short mask, unsigned short value)
364{
365 int change;
366 unsigned short old, new;
367
368 old = snd_ac97_read_cache(ac97, reg);
369 new = (old & ~mask) | value;
370 change = old != new;
371 if (change) {
372 ac97->regs[reg] = new;
373 ac97->bus->ops->write(ac97, reg, new);
374 }
52b72388 375 set_bit(reg, ac97->reg_accessed);
1da177e4
LT		 376 return change;
377}
378
ee42381e 379static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
1da177e4
LT		 380{
381 int change;
382 unsigned short old, new, cfg;
383
62932df8 384 mutex_lock(&ac97->page_mutex);
1da177e4
LT		 385 old = ac97->spec.ad18xx.pcmreg[codec];
386 new = (old & ~mask) | value;
387 change = old != new;
388 if (change) {
62932df8 389 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 390 cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
391 ac97->spec.ad18xx.pcmreg[codec] = new;
392 /* select single codec */
393 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
394 (cfg & ~0x7000) |
395 ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
396 /* update PCM bits */
397 ac97->bus->ops->write(ac97, AC97_PCM, new);
398 /* select all codecs */
399 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
400 cfg | 0x7000);
62932df8 401 mutex_unlock(&ac97->reg_mutex);
1da177e4 402 }
62932df8 403 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 404 return change;
405}
406
407/*
408 * Controls
409 */
410
ee42381e 411int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 412{
413 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
414
415 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
416 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
417 uinfo->value.enumerated.items = e->mask;
418
419 if (uinfo->value.enumerated.item > e->mask - 1)
420 uinfo->value.enumerated.item = e->mask - 1;
421 strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
422 return 0;
423}
424
ee42381e 425int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 426{
ee42381e 427 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 428 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
5f0dccf8 429 unsigned short val, bitmask;
1da177e4 430
b16760bb 431 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 432 ;
1da177e4 433 val = snd_ac97_read_cache(ac97, e->reg);
5f0dccf8 434 ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
1da177e4 435 if (e->shift_l != e->shift_r)
5f0dccf8 436 ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
1da177e4
LT		 437
438 return 0;
439}
440
ee42381e 441int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 442{
ee42381e 443 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 444 struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
445 unsigned short val;
5f0dccf8 446 unsigned short mask, bitmask;
1da177e4 447
b16760bb 448 for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
5f0dccf8 449 ;
1da177e4
LT		 450 if (ucontrol->value.enumerated.item[0] > e->mask - 1)
451 return -EINVAL;
452 val = ucontrol->value.enumerated.item[0] << e->shift_l;
5f0dccf8 453 mask = (bitmask - 1) << e->shift_l;
1da177e4
LT		 454 if (e->shift_l != e->shift_r) {
455 if (ucontrol->value.enumerated.item[1] > e->mask - 1)
456 return -EINVAL;
457 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
5f0dccf8 458 mask |= (bitmask - 1) << e->shift_r;
1da177e4
LT		 459 }
460 return snd_ac97_update_bits(ac97, e->reg, mask, val);
461}
462
463/* save/restore ac97 v2.3 paging */
ee42381e 464static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
1da177e4
LT		 465{
466 int page_save = -1;
467 if ((kcontrol->private_value & (1<<25)) &&
468 (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
469 (reg >= 0x60 && reg < 0x70)) {
470 unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
62932df8 471 mutex_lock(&ac97->page_mutex); /* lock paging */
1da177e4
LT		 472 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
473 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
474 }
475 return page_save;
476}
477
ee42381e 478static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
1da177e4
LT		 479{
480 if (page_save >= 0) {
481 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
62932df8 482 mutex_unlock(&ac97->page_mutex); /* unlock paging */
1da177e4
LT		 483 }
484}
485
486/* volume and switch controls */
ee42381e 487int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 488{
489 int mask = (kcontrol->private_value >> 16) & 0xff;
490 int shift = (kcontrol->private_value >> 8) & 0x0f;
491 int rshift = (kcontrol->private_value >> 12) & 0x0f;
492
493 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
494 uinfo->count = shift == rshift ? 1 : 2;
495 uinfo->value.integer.min = 0;
496 uinfo->value.integer.max = mask;
497 return 0;
498}
499
ee42381e 500int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 501{
ee42381e 502 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 503 int reg = kcontrol->private_value & 0xff;
504 int shift = (kcontrol->private_value >> 8) & 0x0f;
505 int rshift = (kcontrol->private_value >> 12) & 0x0f;
506 int mask = (kcontrol->private_value >> 16) & 0xff;
507 int invert = (kcontrol->private_value >> 24) & 0x01;
508 int page_save;
509
510 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
511 ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
512 if (shift != rshift)
513 ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
514 if (invert) {
515 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
516 if (shift != rshift)
517 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
518 }
519 snd_ac97_page_restore(ac97, page_save);
520 return 0;
521}
522
ee42381e 523int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 524{
ee42381e 525 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 526 int reg = kcontrol->private_value & 0xff;
527 int shift = (kcontrol->private_value >> 8) & 0x0f;
528 int rshift = (kcontrol->private_value >> 12) & 0x0f;
529 int mask = (kcontrol->private_value >> 16) & 0xff;
530 int invert = (kcontrol->private_value >> 24) & 0x01;
531 int err, page_save;
532 unsigned short val, val2, val_mask;
533
534 page_save = snd_ac97_page_save(ac97, reg, kcontrol);
535 val = (ucontrol->value.integer.value[0] & mask);
536 if (invert)
537 val = mask - val;
538 val_mask = mask << shift;
539 val = val << shift;
540 if (shift != rshift) {
541 val2 = (ucontrol->value.integer.value[1] & mask);
542 if (invert)
543 val2 = mask - val2;
544 val_mask |= mask << rshift;
545 val |= val2 << rshift;
546 }
547 err = snd_ac97_update_bits(ac97, reg, val_mask, val);
548 snd_ac97_page_restore(ac97, page_save);
549 return err;
550}
551
ee42381e 552static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
1da177e4
LT		 553AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
554AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
555};
556
ee42381e 557static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
1da177e4
LT		 558AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
559AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
560};
561
ee42381e 562static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
1da177e4
LT		 563AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
564AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
565};
566
ee42381e 567static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
1da177e4
LT		 568 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
569
570
571static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
572static const char* std_3d_path[] = {"pre 3D", "post 3D"};
573static const char* std_mix[] = {"Mix", "Mic"};
574static const char* std_mic[] = {"Mic1", "Mic2"};
575
576static const struct ac97_enum std_enum[] = {
577AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
578AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
579AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
580AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
581};
582
ee42381e 583static const struct snd_kcontrol_new snd_ac97_control_capture_src =
1da177e4
LT		 584AC97_ENUM("Capture Source", std_enum[0]);
585
ee42381e 586static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
1da177e4
LT		 587AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
588
ee42381e 589static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
1da177e4
LT		 590AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
591AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
592};
593
ee42381e 594enum {
1da177e4
LT		 595 AC97_GENERAL_PCM_OUT = 0,
596 AC97_GENERAL_STEREO_ENHANCEMENT,
597 AC97_GENERAL_3D,
598 AC97_GENERAL_LOUDNESS,
599 AC97_GENERAL_MONO,
600 AC97_GENERAL_MIC,
601 AC97_GENERAL_LOOPBACK
ee42381e 602};
1da177e4 603
ee42381e 604static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
1da177e4
LT		 605AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
606AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
607AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
608AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
609AC97_ENUM("Mono Output Select", std_enum[2]),
610AC97_ENUM("Mic Select", std_enum[3]),
611AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
612};
613
ee42381e 614const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
1da177e4
LT		 615AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
616AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
617};
618
ee42381e 619static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
1da177e4
LT		 620AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
621AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
622};
623
ee42381e 624static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
1da177e4
LT		 625AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
626AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
627};
628
ee42381e 629static const struct snd_kcontrol_new snd_ac97_control_eapd =
1da177e4
LT		 630AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
631
ee42381e 632static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
87d61c29
SK		 633AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
634AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
635};
636
1da177e4 637/* change the existing EAPD control as inverted */
ee42381e 638static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
1da177e4
LT		 639{
640 kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0);
641 snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
642 ac97->scaps |= AC97_SCAP_INV_EAPD;
643}
644
ee42381e 645static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 646{
647 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
648 uinfo->count = 1;
649 return 0;
650}
651
ee42381e 652static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 653{
654 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
655 IEC958_AES0_NONAUDIO |
656 IEC958_AES0_CON_EMPHASIS_5015 |
657 IEC958_AES0_CON_NOT_COPYRIGHT;
658 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
659 IEC958_AES1_CON_ORIGINAL;
660 ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
661 return 0;
662}
663
ee42381e 664static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 665{
666 /* FIXME: AC'97 spec doesn't say which bits are used for what */
667 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
668 IEC958_AES0_NONAUDIO |
669 IEC958_AES0_PRO_FS |
670 IEC958_AES0_PRO_EMPHASIS_5015;
671 return 0;
672}
673
ee42381e 674static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 675{
ee42381e 676 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4 677
62932df8 678 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 679 ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
680 ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
681 ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
682 ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
62932df8 683 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 684 return 0;
685}
686
ee42381e 687static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 688{
ee42381e 689 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 690 unsigned int new = 0;
691 unsigned short val = 0;
692 int change;
693
694 new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
695 if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
696 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
697 switch (new & IEC958_AES0_PRO_FS) {
698 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
699 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
700 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
701 default: val |= 1<<12; break;
702 }
703 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
704 val |= 1<<3;
705 } else {
706 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
707 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
708 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
709 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
710 val |= 1<<3;
711 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
712 val |= 1<<2;
713 val |= ((new >> 8) & 0xff) << 4; // category + original
714 switch ((new >> 24) & 0xff) {
715 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
716 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
717 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
718 default: val |= 1<<12; break;
719 }
720 }
721
62932df8 722 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 723 change = ac97->spdif_status != new;
724 ac97->spdif_status = new;
725
726 if (ac97->flags & AC97_CS_SPDIF) {
727 int x = (val >> 12) & 0x03;
728 switch (x) {
729 case 0: x = 1; break; // 44.1
730 case 2: x = 0; break; // 48.0
731 default: x = 0; break; // illegal.
732 }
733 change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
734 } else if (ac97->flags & AC97_CX_SPDIF) {
735 int v;
736 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
737 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
738 change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
739 AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
740 v);
741 } else {
742 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
743 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
744
745 change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
746 if (extst & AC97_EA_SPDIF) {
747 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
748 }
749 }
62932df8 750 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 751
752 return change;
753}
754
ee42381e 755static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 756{
ee42381e 757 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 758 int reg = kcontrol->private_value & 0xff;
759 int shift = (kcontrol->private_value >> 8) & 0xff;
760 int mask = (kcontrol->private_value >> 16) & 0xff;
761 // int invert = (kcontrol->private_value >> 24) & 0xff;
762 unsigned short value, old, new;
763 int change;
764
765 value = (ucontrol->value.integer.value[0] & mask);
766
62932df8 767 mutex_lock(&ac97->reg_mutex);
1da177e4
LT		 768 mask <<= shift;
769 value <<= shift;
770 old = snd_ac97_read_cache(ac97, reg);
771 new = (old & ~mask) | value;
772 change = old != new;
773
774 if (change) {
775 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
776 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
777 change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
778 if (extst & AC97_EA_SPDIF)
779 snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
780 }
62932df8 781 mutex_unlock(&ac97->reg_mutex);
1da177e4
LT		 782 return change;
783}
784
ee42381e 785const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
1da177e4
LT		 786 {
787 .access = SNDRV_CTL_ELEM_ACCESS_READ,
788 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
789 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
790 .info = snd_ac97_spdif_mask_info,
791 .get = snd_ac97_spdif_cmask_get,
792 },
793 {
794 .access = SNDRV_CTL_ELEM_ACCESS_READ,
795 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
796 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
797 .info = snd_ac97_spdif_mask_info,
798 .get = snd_ac97_spdif_pmask_get,
799 },
800 {
801 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
802 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
803 .info = snd_ac97_spdif_mask_info,
804 .get = snd_ac97_spdif_default_get,
805 .put = snd_ac97_spdif_default_put,
806 },
807
808 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
809 {
810 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
811 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
812 .info = snd_ac97_info_volsw,
813 .get = snd_ac97_get_volsw,
814 .put = snd_ac97_put_spsa,
815 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
816 },
817};
818
819#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
820{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
821 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
822 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
823
ee42381e 824static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4 825{
ee42381e 826 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 827 int mask = (kcontrol->private_value >> 16) & 0x0f;
828 int lshift = (kcontrol->private_value >> 8) & 0x0f;
829 int rshift = (kcontrol->private_value >> 12) & 0x0f;
830
831 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
832 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
833 uinfo->count = 2;
834 else
835 uinfo->count = 1;
836 uinfo->value.integer.min = 0;
837 uinfo->value.integer.max = mask;
838 return 0;
839}
840
ee42381e 841static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 842{
ee42381e 843 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 844 int codec = kcontrol->private_value & 3;
845 int lshift = (kcontrol->private_value >> 8) & 0x0f;
846 int rshift = (kcontrol->private_value >> 12) & 0x0f;
847 int mask = (kcontrol->private_value >> 16) & 0xff;
848
849 ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
850 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
851 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
852 return 0;
853}
854
ee42381e 855static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 856{
ee42381e 857 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 858 int codec = kcontrol->private_value & 3;
859 int lshift = (kcontrol->private_value >> 8) & 0x0f;
860 int rshift = (kcontrol->private_value >> 12) & 0x0f;
861 int mask = (kcontrol->private_value >> 16) & 0xff;
862 unsigned short val, valmask;
863
864 val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
865 valmask = mask << lshift;
866 if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
867 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
868 valmask |= mask << rshift;
869 }
870 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
871}
872
873#define AD18XX_PCM_VOLUME(xname, codec) \
874{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
875 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
876 .private_value = codec }
877
ee42381e 878static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 879{
880 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
881 uinfo->count = 2;
882 uinfo->value.integer.min = 0;
883 uinfo->value.integer.max = 31;
884 return 0;
885}
886
ee42381e 887static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 888{
ee42381e 889 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 890 int codec = kcontrol->private_value & 3;
891
62932df8 892 mutex_lock(&ac97->page_mutex);
1da177e4
LT		 893 ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
894 ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
62932df8 895 mutex_unlock(&ac97->page_mutex);
1da177e4
LT		 896 return 0;
897}
898
ee42381e 899static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 900{
ee42381e 901 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 902 int codec = kcontrol->private_value & 3;
903 unsigned short val1, val2;
904
905 val1 = 31 - (ucontrol->value.integer.value[0] & 31);
906 val2 = 31 - (ucontrol->value.integer.value[1] & 31);
907 return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
908}
909
ee42381e 910static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
1da177e4
LT		 911AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
912AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
913};
914
ee42381e 915static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
1da177e4
LT		 916AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
917AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
918};
919
ee42381e 920static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
1da177e4
LT		 921AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
922AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
923};
924
ee42381e 925static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
1da177e4
LT		 926AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
927AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
928};
929
930/*
931 *
932 */
933
ee42381e 934static void snd_ac97_powerdown(struct snd_ac97 *ac97);
1da177e4 935
ee42381e 936static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
1da177e4
LT		 937{
938 if (bus) {
939 snd_ac97_bus_proc_done(bus);
940 kfree(bus->pcms);
941 if (bus->private_free)
942 bus->private_free(bus);
943 kfree(bus);
944 }
945 return 0;
946}
947
ee42381e 948static int snd_ac97_bus_dev_free(struct snd_device *device)
1da177e4 949{
ee42381e 950 struct snd_ac97_bus *bus = device->device_data;
1da177e4
LT		 951 return snd_ac97_bus_free(bus);
952}
953
ee42381e 954static int snd_ac97_free(struct snd_ac97 *ac97)
1da177e4
LT		 955{
956 if (ac97) {
957 snd_ac97_proc_done(ac97);
2ba71978 958 if (ac97->bus)
1da177e4 959 ac97->bus->codec[ac97->num] = NULL;
1da177e4
LT		 960 if (ac97->private_free)
961 ac97->private_free(ac97);
962 kfree(ac97);
963 }
964 return 0;
965}
966
ee42381e 967static int snd_ac97_dev_free(struct snd_device *device)
1da177e4 968{
ee42381e 969 struct snd_ac97 *ac97 = device->device_data;
1da177e4
LT		 970 snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
971 return snd_ac97_free(ac97);
972}
973
ee42381e 974static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1da177e4
LT		 975{
976 unsigned short val, mask = 0x8000;
977
978 if (! snd_ac97_valid_reg(ac97, reg))
979 return 0;
980
981 switch (reg) {
982 case AC97_MASTER_TONE:
983 return ac97->caps & 0x04 ? 1 : 0;
984 case AC97_HEADPHONE:
985 return ac97->caps & 0x10 ? 1 : 0;
986 case AC97_REC_GAIN_MIC:
987 return ac97->caps & 0x01 ? 1 : 0;
988 case AC97_3D_CONTROL:
989 if (ac97->caps & 0x7c00) {
990 val = snd_ac97_read(ac97, reg);
991 /* if nonzero - fixed and we can't set it */
992 return val == 0;
993 }
994 return 0;
995 case AC97_CENTER_LFE_MASTER: /* center */
996 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
997 return 0;
998 break;
999 case AC97_CENTER_LFE_MASTER+1: /* lfe */
1000 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1001 return 0;
1002 reg = AC97_CENTER_LFE_MASTER;
1003 mask = 0x0080;
1004 break;
1005 case AC97_SURROUND_MASTER:
1006 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1007 return 0;
1008 break;
1009 }
1010
1011 if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1012 return 1; /* allow without check */
1013
1014 val = snd_ac97_read(ac97, reg);
1015 if (!(val & mask)) {
1016 /* nothing seems to be here - mute flag is not set */
1017 /* try another test */
1018 snd_ac97_write_cache(ac97, reg, val | mask);
1019 val = snd_ac97_read(ac97, reg);
ee42381e 1020 val = snd_ac97_read(ac97, reg);
1da177e4
LT		 1021 if (!(val & mask))
1022 return 0; /* nothing here */
1023 }
1024 return 1; /* success, useable */
1025}
1026
ee42381e 1027static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1da177e4
LT		 1028{
1029 unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1030 unsigned char max[3] = { 63, 31, 15 };
1031 int i;
1032
50dabc2d
TI		 1033 /* first look up the static resolution table */
1034 if (ac97->res_table) {
1035 const struct snd_ac97_res_table *tbl;
1036 for (tbl = ac97->res_table; tbl->reg; tbl++) {
1037 if (tbl->reg == reg) {
1038 *lo_max = tbl->bits & 0xff;
1039 *hi_max = (tbl->bits >> 8) & 0xff;
1040 return;
1041 }
1042 }
1043 }
1044
1da177e4
LT		 1045 *lo_max = *hi_max = 0;
1046 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1047 unsigned short val;
1048 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
c9eab129
JCD		 1049 /* Do the read twice due to buffers on some ac97 codecs.
1050 * e.g. The STAC9704 returns exactly what you wrote the the register
1051 * if you read it immediately. This causes the detect routine to fail.
1052 */
1053 val = snd_ac97_read(ac97, reg);
1da177e4 1054 val = snd_ac97_read(ac97, reg);
a2142674 1055 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1056 *lo_max = max[i];
a2142674 1057 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1058 *hi_max = max[i];
1059 if (*lo_max && *hi_max)
1060 break;
1061 }
1062}
1063
ee42381e 1064int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1da177e4
LT		 1065{
1066 unsigned short mask, val, orig, res;
1067
1068 mask = 1 << bit;
1069 orig = snd_ac97_read(ac97, reg);
1070 val = orig ^ mask;
1071 snd_ac97_write(ac97, reg, val);
1072 res = snd_ac97_read(ac97, reg);
1073 snd_ac97_write_cache(ac97, reg, orig);
1074 return res == val;
1075}
1076
1077/* check the volume resolution of center/lfe */
ee42381e 1078static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1da177e4
LT		 1079{
1080 unsigned short val, val1;
1081
1082 *max = 63;
1083 val = 0x8080 | (0x20 << shift);
1084 snd_ac97_write(ac97, reg, val);
1085 val1 = snd_ac97_read(ac97, reg);
1086 if (val != val1) {
1087 *max = 31;
1088 }
1089 /* reset volume to zero */
1090 snd_ac97_write_cache(ac97, reg, 0x8080);
1091}
1092
1093static inline int printable(unsigned int x)
1094{
1095 x &= 0xff;
1096 if (x < ' ' || x >= 0x71) {
1097 if (x <= 0x89)
1098 return x - 0x71 + 'A';
1099 return '?';
1100 }
1101 return x;
1102}
1103
ee42381e 1104struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1da177e4 1105{
ee42381e 1106 struct snd_kcontrol_new template;
1da177e4 1107 memcpy(&template, _template, sizeof(template));
1da177e4
LT		 1108 template.index = ac97->num;
1109 return snd_ctl_new1(&template, ac97);
1110}
1111
1112/*
1113 * create mute switch(es) for normal stereo controls
1114 */
ee42381e 1115static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, int check_stereo, struct snd_ac97 *ac97)
1da177e4 1116{
ee42381e 1117 struct snd_kcontrol *kctl;
1da177e4
LT		 1118 int err;
1119 unsigned short val, val1, mute_mask;
1120
1121 if (! snd_ac97_valid_reg(ac97, reg))
1122 return 0;
1123
1124 mute_mask = 0x8000;
1125 val = snd_ac97_read(ac97, reg);
1126 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1127 /* check whether both mute bits work */
1128 val1 = val | 0x8080;
1129 snd_ac97_write(ac97, reg, val1);
1130 if (val1 == snd_ac97_read(ac97, reg))
1131 mute_mask = 0x8080;
1132 }
1133 if (mute_mask == 0x8080) {
ee42381e 1134 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1da177e4
LT		 1135 tmp.index = ac97->num;
1136 kctl = snd_ctl_new1(&tmp, ac97);
1137 } else {
ee42381e 1138 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1da177e4
LT		 1139 tmp.index = ac97->num;
1140 kctl = snd_ctl_new1(&tmp, ac97);
1141 }
1142 err = snd_ctl_add(card, kctl);
1143 if (err < 0)
1144 return err;
1145 /* mute as default */
1146 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1147 return 0;
1148}
1149
1150/*
1151 * create a volume for normal stereo/mono controls
1152 */
ee42381e
TI		 1153static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1154 unsigned int hi_max, struct snd_ac97 *ac97)
1da177e4
LT		 1155{
1156 int err;
ee42381e 1157 struct snd_kcontrol *kctl;
1da177e4
LT		 1158
1159 if (! snd_ac97_valid_reg(ac97, reg))
1160 return 0;
1161 if (hi_max) {
1162 /* invert */
ee42381e 1163 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1da177e4
LT		 1164 tmp.index = ac97->num;
1165 kctl = snd_ctl_new1(&tmp, ac97);
1166 } else {
1167 /* invert */
ee42381e 1168 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1da177e4
LT		 1169 tmp.index = ac97->num;
1170 kctl = snd_ctl_new1(&tmp, ac97);
1171 }
1172 err = snd_ctl_add(card, kctl);
1173 if (err < 0)
1174 return err;
1175 snd_ac97_write_cache(ac97, reg,
1176 (snd_ac97_read(ac97, reg) & 0x8080) |
1177 lo_max | (hi_max << 8));
1178 return 0;
1179}
1180
1181/*
1182 * create a mute-switch and a volume for normal stereo/mono controls
1183 */
ee42381e 1184static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, int reg, int check_stereo, struct snd_ac97 *ac97)
1da177e4
LT		 1185{
1186 int err;
1187 char name[44];
1188 unsigned char lo_max, hi_max;
1189
1190 if (! snd_ac97_valid_reg(ac97, reg))
1191 return 0;
1192
1193 if (snd_ac97_try_bit(ac97, reg, 15)) {
1194 sprintf(name, "%s Switch", pfx);
1195 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1196 return err;
1197 }
1198 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1199 if (lo_max) {
1200 sprintf(name, "%s Volume", pfx);
1201 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1202 return err;
1203 }
1204 return 0;
1205}
1206
1207#define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1208#define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1209
ee42381e 1210static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1da177e4 1211
ee42381e 1212static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1da177e4 1213{
ee42381e
TI		 1214 struct snd_card *card = ac97->bus->card;
1215 struct snd_kcontrol *kctl;
1da177e4
LT		 1216 int err;
1217 unsigned int idx;
1218 unsigned char max;
1219
1220 /* build master controls */
1221 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1222 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1223 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1224 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1225 else
1226 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1227 if (err < 0)
1228 return err;
1229 }
1230
1231 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1232
1233 /* build center controls */
1234 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1235 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1236 return err;
1237 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1238 return err;
1239 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1240 kctl->private_value &= ~(0xff << 16);
1241 kctl->private_value |= (int)max << 16;
1242 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1243 }
1244
1245 /* build LFE controls */
1246 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1247 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1248 return err;
1249 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1250 return err;
1251 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1252 kctl->private_value &= ~(0xff << 16);
1253 kctl->private_value |= (int)max << 16;
1254 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1255 }
1256
1257 /* build surround controls */
1258 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1259 /* Surround Master (0x38) is with stereo mutes */
1260 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1261 return err;
1262 }
1263
1264 /* build headphone controls */
1265 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1266 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1267 return err;
1268 }
1269
1270 /* build master mono controls */
1271 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1272 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1273 return err;
1274 }
1275
1276 /* build master tone controls */
3998b70f
LG		 1277 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1278 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1279 for (idx = 0; idx < 2; idx++) {
1280 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1281 return err;
1282 if (ac97->id == AC97_ID_YMF753) {
1283 kctl->private_value &= ~(0xff << 16);
1284 kctl->private_value |= 7 << 16;
1285 }
1da177e4 1286 }
3998b70f 1287 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1da177e4 1288 }
1da177e4
LT		 1289 }
1290
1291 /* build PC Speaker controls */
1292 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1293 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1294 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1295 for (idx = 0; idx < 2; idx++)
1296 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1297 return err;
1298 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1299 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1300 }
1301
1302 /* build Phone controls */
1303 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1304 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1305 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1306 return err;
1307 }
1308 }
1309
1310 /* build MIC controls */
3998b70f
LG		 1311 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1312 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1313 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1314 return err;
1315 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1316 return err;
1317 }
1da177e4
LT		 1318 }
1319
1320 /* build Line controls */
1321 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1322 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1323 return err;
1324 }
1325
1326 /* build CD controls */
1327 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1328 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1329 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1330 return err;
1331 }
1332 }
1333
1334 /* build Video controls */
1335 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1336 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1337 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1338 return err;
1339 }
1340 }
1341
1342 /* build Aux controls */
1343 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1344 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1345 return err;
1346 }
1347
1348 /* build PCM controls */
1349 if (ac97->flags & AC97_AD_MULTI) {
1350 unsigned short init_val;
1351 if (ac97->flags & AC97_STEREO_MUTES)
1352 init_val = 0x9f9f;
1353 else
1354 init_val = 0x9f1f;
1355 for (idx = 0; idx < 2; idx++)
1356 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1357 return err;
1358 ac97->spec.ad18xx.pcmreg[0] = init_val;
1359 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1360 for (idx = 0; idx < 2; idx++)
1361 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1362 return err;
1363 ac97->spec.ad18xx.pcmreg[1] = init_val;
1364 }
1365 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1366 for (idx = 0; idx < 2; idx++)
1367 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1368 return err;
1369 for (idx = 0; idx < 2; idx++)
1370 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1371 return err;
1372 ac97->spec.ad18xx.pcmreg[2] = init_val;
1373 }
1374 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1375 } else {
3998b70f
LG		 1376 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1377 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1378 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1379 else
1380 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1381 if (err < 0)
1382 return err;
1383 }
1da177e4
LT		 1384 }
1385
1386 /* build Capture controls */
1387 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1388 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1389 return err;
1390 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1391 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1392 return err;
1393 }
1394 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1395 return err;
1396 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1397 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1398 }
1399 /* build MIC Capture controls */
1400 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1401 for (idx = 0; idx < 2; idx++)
1402 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1403 return err;
1404 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1405 }
1406
1407 /* build PCM out path & mute control */
1408 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1409 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1410 return err;
1411 }
1412
1413 /* build Simulated Stereo Enhancement control */
1414 if (ac97->caps & 0x0008) {
1415 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1416 return err;
1417 }
1418
1419 /* build 3D Stereo Enhancement control */
1420 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1421 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1422 return err;
1423 }
1424
1425 /* build Loudness control */
1426 if (ac97->caps & 0x0020) {
1427 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1428 return err;
1429 }
1430
1431 /* build Mono output select control */
1432 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1433 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1434 return err;
1435 }
1436
1437 /* build Mic select control */
1438 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1439 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1440 return err;
1441 }
1442
1443 /* build ADC/DAC loopback control */
1444 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1445 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1446 return err;
1447 }
1448
1449 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1450
1451 /* build 3D controls */
1452 if (ac97->build_ops->build_3d) {
1453 ac97->build_ops->build_3d(ac97);
1454 } else {
1455 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1456 unsigned short val;
1457 val = 0x0707;
1458 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1459 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1460 val = val == 0x0606;
1461 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1462 return err;
1463 if (val)
1464 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1465 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1466 return err;
1467 if (val)
1468 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1469 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1470 }
1471 }
1472
1473 /* build S/PDIF controls */
1474 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1475 if (ac97->build_ops->build_spdif) {
1476 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1477 return err;
1478 } else {
1479 for (idx = 0; idx < 5; idx++)
1480 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1481 return err;
1482 if (ac97->build_ops->build_post_spdif) {
1483 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1484 return err;
1485 }
1486 /* set default PCM S/PDIF params */
1487 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1488 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1489 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1490 }
1491 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1492 }
1493
1494 /* build chip specific controls */
1495 if (ac97->build_ops->build_specific)
1496 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1497 return err;
1498
1499 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1500 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1501 if (! kctl)
1502 return -ENOMEM;
1503 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1504 set_inv_eapd(ac97, kctl);
1505 if ((err = snd_ctl_add(card, kctl)) < 0)
1506 return err;
1507 }
1508
1509 return 0;
1510}
1511
ee42381e 1512static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1da177e4 1513{
87d61c29
SK		 1514 int err, idx;
1515
1da177e4
LT		 1516 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1517 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1518 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1519 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1520 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1521 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1522
1523 /* build modem switches */
1524 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
0444e2ac 1525 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
87d61c29
SK		 1526 return err;
1527
1528 /* build chip specific controls */
1529 if (ac97->build_ops->build_specific)
1530 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1531 return err;
1532
1da177e4
LT		 1533 return 0;
1534}
1535
ee42381e 1536static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1da177e4
LT		 1537{
1538 unsigned short val;
1539 unsigned int tmp;
1540
1541 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1542 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1543 if (shadow_reg)
1544 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1545 val = snd_ac97_read(ac97, reg);
1546 return val == (tmp & 0xffff);
1547}
1548
ee42381e 1549static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1da177e4
LT		 1550{
1551 unsigned int result = 0;
1552 unsigned short saved;
1553
1554 if (ac97->bus->no_vra) {
1555 *r_result = SNDRV_PCM_RATE_48000;
1556 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1557 reg == AC97_PCM_FRONT_DAC_RATE)
1558 *r_result |= SNDRV_PCM_RATE_96000;
1559 return;
1560 }
1561
1562 saved = snd_ac97_read(ac97, reg);
1563 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1564 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1565 AC97_EA_DRA, 0);
1566 /* test a non-standard rate */
1567 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1568 result |= SNDRV_PCM_RATE_CONTINUOUS;
1569 /* let's try to obtain standard rates */
1570 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1571 result |= SNDRV_PCM_RATE_8000;
1572 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1573 result |= SNDRV_PCM_RATE_11025;
1574 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1575 result |= SNDRV_PCM_RATE_16000;
1576 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1577 result |= SNDRV_PCM_RATE_22050;
1578 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1579 result |= SNDRV_PCM_RATE_32000;
1580 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1581 result |= SNDRV_PCM_RATE_44100;
1582 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1583 result |= SNDRV_PCM_RATE_48000;
1584 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1585 reg == AC97_PCM_FRONT_DAC_RATE) {
1586 /* test standard double rates */
1587 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1588 AC97_EA_DRA, AC97_EA_DRA);
1589 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1590 result |= SNDRV_PCM_RATE_64000;
1591 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1592 result |= SNDRV_PCM_RATE_88200;
1593 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1594 result |= SNDRV_PCM_RATE_96000;
1595 /* some codecs don't support variable double rates */
1596 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1597 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1598 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1599 AC97_EA_DRA, 0);
1600 }
1601 /* restore the default value */
1602 snd_ac97_write_cache(ac97, reg, saved);
1603 if (shadow_reg)
1604 snd_ac97_write_cache(ac97, shadow_reg, saved);
1605 *r_result = result;
1606}
1607
1608/* check AC97_SPDIF register to accept which sample rates */
ee42381e 1609static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1da177e4
LT		 1610{
1611 unsigned int result = 0;
1612 int i;
1613 static unsigned short ctl_bits[] = {
1614 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1615 };
1616 static unsigned int rate_bits[] = {
1617 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1618 };
1619
1620 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1621 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1622 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1623 result |= rate_bits[i];
1624 }
1625 return result;
1626}
1627
1628/* look for the codec id table matching with the given id */
ee42381e
TI		 1629static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1630 unsigned int id)
1da177e4 1631{
ee42381e 1632 const struct ac97_codec_id *pid;
1da177e4
LT		 1633
1634 for (pid = table; pid->id; pid++)
1635 if (pid->id == (id & pid->mask))
1636 return pid;
1637 return NULL;
1638}
1639
ee42381e 1640void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1da177e4 1641{
ee42381e 1642 const struct ac97_codec_id *pid;
1da177e4
LT		 1643
1644 sprintf(name, "0x%x %c%c%c", id,
1645 printable(id >> 24),
1646 printable(id >> 16),
1647 printable(id >> 8));
1648 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1649 if (! pid)
1650 return;
1651
1652 strcpy(name, pid->name);
1653 if (ac97 && pid->patch) {
1654 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1655 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1656 pid->patch(ac97);
1657 }
1658
1659 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1660 if (pid) {
1661 strcat(name, " ");
1662 strcat(name, pid->name);
1663 if (pid->mask != 0xffffffff)
1664 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1665 if (ac97 && pid->patch) {
1666 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1667 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1668 pid->patch(ac97);
1669 }
1670 } else
1671 sprintf(name + strlen(name), " id %x", id & 0xff);
1672}
1673
1674/**
1675 * snd_ac97_get_short_name - retrieve codec name
1676 * @ac97: the codec instance
1677 *
1678 * Returns the short identifying name of the codec.
1679 */
ee42381e 1680const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1da177e4 1681{
ee42381e 1682 const struct ac97_codec_id *pid;
1da177e4
LT		 1683
1684 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1685 if (pid->id == (ac97->id & pid->mask))
1686 return pid->name;
1687 return "unknown codec";
1688}
1689
1690
1691/* wait for a while until registers are accessible after RESET
1692 * return 0 if ok, negative not ready
1693 */
ee42381e 1694static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1da177e4
LT		 1695{
1696 unsigned long end_time;
1697 unsigned short val;
1698
1699 end_time = jiffies + timeout;
1700 do {
1701
1702 /* use preliminary reads to settle the communication */
1703 snd_ac97_read(ac97, AC97_RESET);
1704 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1705 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1706 /* modem? */
1707 if (with_modem) {
1708 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1709 if (val != 0xffff && (val & 1) != 0)
1710 return 0;
1711 }
1712 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1713 /* probably only Xbox issue - all registers are read as zero */
1714 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1715 if (val != 0 && val != 0xffff)
1716 return 0;
1717 } else {
1718 /* because the PCM or MASTER volume registers can be modified,
1719 * the REC_GAIN register is used for tests
1720 */
1721 /* test if we can write to the record gain volume register */
1722 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1723 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1724 return 0;
1725 }
8433a509 1726 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1727 } while (time_after_eq(end_time, jiffies));
1728 return -ENODEV;
1729}
1730
1731/**
1732 * snd_ac97_bus - create an AC97 bus component
1733 * @card: the card instance
1734 * @num: the bus number
1735 * @ops: the bus callbacks table
1736 * @private_data: private data pointer for the new instance
1737 * @rbus: the pointer to store the new AC97 bus instance.
1738 *
ee42381e 1739 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1da177e4
LT		 1740 * allocated and initialized.
1741 *
1742 * The ops table must include valid callbacks (at least read and
1743 * write). The other callbacks, wait and reset, are not mandatory.
1744 *
1745 * The clock is set to 48000. If another clock is needed, set
1746 * (*rbus)->clock manually.
1747 *
1748 * The AC97 bus instance is registered as a low-level device, so you don't
1749 * have to release it manually.
1750 *
1751 * Returns zero if successful, or a negative error code on failure.
1752 */
ee42381e
TI		 1753int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1754 void *private_data, struct snd_ac97_bus **rbus)
1da177e4
LT		 1755{
1756 int err;
ee42381e
TI		 1757 struct snd_ac97_bus *bus;
1758 static struct snd_device_ops dev_ops = {
1da177e4
LT		 1759 .dev_free = snd_ac97_bus_dev_free,
1760 };
1761
1762 snd_assert(card != NULL, return -EINVAL);
1763 snd_assert(rbus != NULL, return -EINVAL);
e560d8d8 1764 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 1765 if (bus == NULL)
1766 return -ENOMEM;
1767 bus->card = card;
1768 bus->num = num;
1769 bus->ops = ops;
1770 bus->private_data = private_data;
1771 bus->clock = 48000;
1772 spin_lock_init(&bus->bus_lock);
1773 snd_ac97_bus_proc_init(bus);
1774 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1775 snd_ac97_bus_free(bus);
1776 return err;
1777 }
1778 *rbus = bus;
1779 return 0;
1780}
1781
0ca06a00
LG		 1782/* stop no dev release warning */
1783static void ac97_device_release(struct device * dev)
1784{
1785}
1786
1787/* register ac97 codec to bus */
ee42381e 1788static int snd_ac97_dev_register(struct snd_device *device)
0ca06a00 1789{
ee42381e 1790 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1791 int err;
1792
1793 ac97->dev.bus = &ac97_bus_type;
1794 ac97->dev.parent = ac97->bus->card->dev;
0ca06a00 1795 ac97->dev.release = ac97_device_release;
9398441e
TI		 1796 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1797 ac97->bus->card->number, ac97->num,
1798 snd_ac97_get_short_name(ac97));
0ca06a00
LG		 1799 if ((err = device_register(&ac97->dev)) < 0) {
1800 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1801 ac97->dev.bus = NULL;
1802 return err;
1803 }
1804 return 0;
1805}
1806
1807/* unregister ac97 codec */
ee42381e 1808static int snd_ac97_dev_unregister(struct snd_device *device)
0ca06a00 1809{
ee42381e 1810 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1811 if (ac97->dev.bus)
1812 device_unregister(&ac97->dev);
1813 return snd_ac97_free(ac97);
1814}
1815
1da177e4
LT		 1816/* build_ops to do nothing */
1817static struct snd_ac97_build_ops null_build_ops;
1818
1819/**
1820 * snd_ac97_mixer - create an Codec97 component
1821 * @bus: the AC97 bus which codec is attached to
1822 * @template: the template of ac97, including index, callbacks and
1823 * the private data.
1824 * @rac97: the pointer to store the new ac97 instance.
1825 *
ee42381e 1826 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1da177e4
LT		 1827 * allocated and initialized from the template. The codec
1828 * is then initialized by the standard procedure.
1829 *
1830 * The template must include the codec number (num) and address (addr),
1831 * and the private data (private_data).
1832 *
1833 * The ac97 instance is registered as a low-level device, so you don't
1834 * have to release it manually.
1835 *
1836 * Returns zero if successful, or a negative error code on failure.
1837 */
ee42381e 1838int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1da177e4
LT		 1839{
1840 int err;
ee42381e
TI		 1841 struct snd_ac97 *ac97;
1842 struct snd_card *card;
1da177e4
LT		 1843 char name[64];
1844 unsigned long end_time;
1845 unsigned int reg;
ee42381e
TI		 1846 const struct ac97_codec_id *pid;
1847 static struct snd_device_ops ops = {
1da177e4 1848 .dev_free = snd_ac97_dev_free,
0ca06a00
LG		 1849 .dev_register = snd_ac97_dev_register,
1850 .dev_unregister = snd_ac97_dev_unregister,
1da177e4
LT		 1851 };
1852
1853 snd_assert(rac97 != NULL, return -EINVAL);
1854 *rac97 = NULL;
1855 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1856 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1857
1da177e4 1858 card = bus->card;
e560d8d8 1859 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1da177e4
LT		 1860 if (ac97 == NULL)
1861 return -ENOMEM;
1862 ac97->private_data = template->private_data;
1863 ac97->private_free = template->private_free;
1864 ac97->bus = bus;
1865 ac97->pci = template->pci;
1866 ac97->num = template->num;
1867 ac97->addr = template->addr;
1868 ac97->scaps = template->scaps;
1869 ac97->limited_regs = template->limited_regs;
1870 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1871 bus->codec[ac97->num] = ac97;
62932df8
IM		 1872 mutex_init(&ac97->reg_mutex);
1873 mutex_init(&ac97->page_mutex);
1da177e4 1874
adf1b3d2 1875#ifdef CONFIG_PCI
1da177e4
LT		 1876 if (ac97->pci) {
1877 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1878 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1879 }
adf1b3d2 1880#endif
1da177e4
LT		 1881 if (bus->ops->reset) {
1882 bus->ops->reset(ac97);
1883 goto __access_ok;
1884 }
1885
1886 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1887 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1888 if (ac97->id && ac97->id != (unsigned int)-1) {
1889 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1890 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1891 goto __access_ok;
1892 }
1893
23fea4da
SK		 1894 /* reset to defaults */
1895 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1896 snd_ac97_write(ac97, AC97_RESET, 0);
1897 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1898 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 1899 if (bus->ops->wait)
1900 bus->ops->wait(ac97);
1901 else {
1902 udelay(50);
1903 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1904 err = ac97_reset_wait(ac97, HZ/2, 1);
1905 else {
1906 err = ac97_reset_wait(ac97, HZ/2, 0);
1907 if (err < 0)
1908 err = ac97_reset_wait(ac97, HZ/2, 1);
1909 }
1910 if (err < 0) {
1911 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1912 /* proceed anyway - it's often non-critical */
1913 }
1914 }
1915 __access_ok:
1916 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1917 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1918 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1919 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1920 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1921 snd_ac97_free(ac97);
1922 return -EIO;
1923 }
1924 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1925 if (pid)
1926 ac97->flags |= pid->flags;
1927
1928 /* test for AC'97 */
1929 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1930 /* test if we can write to the record gain volume register */
1931 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1932 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1933 ac97->scaps |= AC97_SCAP_AUDIO;
1934 }
1935 if (ac97->scaps & AC97_SCAP_AUDIO) {
1936 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1937 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1938 if (ac97->ext_id == 0xffff) /* invalid combination */
1939 ac97->ext_id = 0;
1940 }
1941
1942 /* test for MC'97 */
1943 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1944 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1945 if (ac97->ext_mid == 0xffff) /* invalid combination */
1946 ac97->ext_mid = 0;
1947 if (ac97->ext_mid & 1)
1948 ac97->scaps |= AC97_SCAP_MODEM;
1949 }
1950
1951 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1952 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1953 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1954 snd_ac97_free(ac97);
1955 return -EACCES;
1956 }
1957
1958 if (bus->ops->reset) // FIXME: always skipping?
1959 goto __ready_ok;
1960
1961 /* FIXME: add powerdown control */
1962 if (ac97_is_audio(ac97)) {
1963 /* nothing should be in powerdown mode */
1964 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1965 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1966 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1967 udelay(100);
1968 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1969 }
1970 /* nothing should be in powerdown mode */
1971 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1972 end_time = jiffies + (HZ / 10);
1973 do {
1974 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1975 goto __ready_ok;
8433a509 1976 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1977 } while (time_after_eq(end_time, jiffies));
1978 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1979 }
1980
1981 /* FIXME: add powerdown control */
1982 if (ac97_is_modem(ac97)) {
1983 unsigned char tmp;
1984
1985 /* nothing should be in powerdown mode */
1986 /* note: it's important to set the rate at first */
1987 tmp = AC97_MEA_GPIO;
1988 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 1989 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 1990 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
1991 }
1992 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 1993 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 1994 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
1995 }
1996 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 1997 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 1998 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
1999 }
8e8311b0 2000 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2001 udelay(100);
2002 /* nothing should be in powerdown mode */
8e8311b0 2003 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 2004 end_time = jiffies + (HZ / 10);
2005 do {
2006 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2007 goto __ready_ok;
8433a509 2008 schedule_timeout_uninterruptible(1);
1da177e4
LT		 2009 } while (time_after_eq(end_time, jiffies));
2010 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2011 }
2012
2013 __ready_ok:
2014 if (ac97_is_audio(ac97))
2015 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2016 else
2017 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2018 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2019 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2020 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2021 if (! bus->no_vra)
2022 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2023 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2024 }
2025 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2026 /* Intel controllers require double rate data to be put in
2027 * slots 7+8, so let's hope the codec supports it. */
2028 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2029 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2030 ac97->flags |= AC97_DOUBLE_RATE;
091e95ee
TI		 2031 /* restore to slots 10/11 to avoid the confliction with surrounds */
2032 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
1da177e4
LT		 2033 }
2034 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2035 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2036 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2037 } else {
2038 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2039 if (ac97->flags & AC97_DOUBLE_RATE)
2040 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2041 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2042 }
2043 if (ac97->ext_id & AC97_EI_SPDIF) {
2044 /* codec specific code (patch) should override these values */
2045 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2046 }
2047 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2048 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2049 } else {
2050 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2051 }
2052 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2053 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2054 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2055 }
2056 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2057 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2058 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2059 }
2060 /* additional initializations */
2061 if (bus->ops->init)
2062 bus->ops->init(ac97);
2063 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2064 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2065 if (! ac97->build_ops)
2066 ac97->build_ops = &null_build_ops;
2067
2068 if (ac97_is_audio(ac97)) {
2069 char comp[16];
2070 if (card->mixername[0] == '\0') {
2071 strcpy(card->mixername, name);
2072 } else {
2073 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2074 strcat(card->mixername, ",");
2075 strcat(card->mixername, name);
2076 }
2077 }
2078 sprintf(comp, "AC97a:%08x", ac97->id);
2079 if ((err = snd_component_add(card, comp)) < 0) {
2080 snd_ac97_free(ac97);
2081 return err;
2082 }
2083 if (snd_ac97_mixer_build(ac97) < 0) {
2084 snd_ac97_free(ac97);
2085 return -ENOMEM;
2086 }
2087 }
2088 if (ac97_is_modem(ac97)) {
2089 char comp[16];
2090 if (card->mixername[0] == '\0') {
2091 strcpy(card->mixername, name);
2092 } else {
2093 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2094 strcat(card->mixername, ",");
2095 strcat(card->mixername, name);
2096 }
2097 }
2098 sprintf(comp, "AC97m:%08x", ac97->id);
2099 if ((err = snd_component_add(card, comp)) < 0) {
2100 snd_ac97_free(ac97);
2101 return err;
2102 }
2103 if (snd_ac97_modem_build(card, ac97) < 0) {
2104 snd_ac97_free(ac97);
2105 return -ENOMEM;
2106 }
2107 }
2108 /* make sure the proper powerdown bits are cleared */
2ba71978 2109 if (ac97->scaps && ac97_is_audio(ac97)) {
1da177e4
LT		 2110 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2111 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2112 reg &= ~AC97_EA_PRJ;
2113 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2114 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2115 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2116 }
2117 snd_ac97_proc_init(ac97);
2118 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2119 snd_ac97_free(ac97);
2120 return err;
2121 }
2122 *rac97 = ac97;
1da177e4
LT		 2123 return 0;
2124}
2125
2126
2127/*
2128 * Power down the chip.
2129 *
2130 * MASTER and HEADPHONE registers are muted but the register cache values
2131 * are not changed, so that the values can be restored in snd_ac97_resume().
2132 */
ee42381e 2133static void snd_ac97_powerdown(struct snd_ac97 *ac97)
1da177e4
LT		 2134{
2135 unsigned short power;
2136
2137 if (ac97_is_audio(ac97)) {
2138 /* some codecs have stereo mute bits */
2139 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2140 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2141 }
2142
2143 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2144 power |= 0x4000; /* Headphone amplifier powerdown */
2145 power |= 0x0300; /* ADC & DAC powerdown */
2146 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2147 udelay(100);
2148 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2149 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2150 udelay(100);
2151#if 0
2152 /* FIXME: this causes click noises on some boards at resume */
2153 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2154 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2155#endif
2156}
2157
2158
2159#ifdef CONFIG_PM
2160/**
2161 * snd_ac97_suspend - General suspend function for AC97 codec
2162 * @ac97: the ac97 instance
2163 *
2164 * Suspends the codec, power down the chip.
2165 */
ee42381e 2166void snd_ac97_suspend(struct snd_ac97 *ac97)
1da177e4 2167{
e26e7545
TI		 2168 if (! ac97)
2169 return;
1da177e4
LT		 2170 if (ac97->build_ops->suspend)
2171 ac97->build_ops->suspend(ac97);
2172 snd_ac97_powerdown(ac97);
2173}
2174
2175/*
2176 * restore ac97 status
2177 */
ee42381e 2178void snd_ac97_restore_status(struct snd_ac97 *ac97)
1da177e4
LT		 2179{
2180 int i;
2181
2182 for (i = 2; i < 0x7c ; i += 2) {
2183 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2184 continue;
2185 /* restore only accessible registers
2186 * some chip (e.g. nm256) may hang up when unsupported registers
2187 * are accessed..!
2188 */
2189 if (test_bit(i, ac97->reg_accessed)) {
2190 snd_ac97_write(ac97, i, ac97->regs[i]);
2191 snd_ac97_read(ac97, i);
2192 }
2193 }
2194}
2195
2196/*
2197 * restore IEC958 status
2198 */
ee42381e 2199void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
1da177e4
LT		 2200{
2201 if (ac97->ext_id & AC97_EI_SPDIF) {
2202 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2203 /* reset spdif status */
2204 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2205 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2206 if (ac97->flags & AC97_CS_SPDIF)
2207 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2208 else
2209 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2210 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2211 }
2212 }
2213}
2214
2215/**
2216 * snd_ac97_resume - General resume function for AC97 codec
2217 * @ac97: the ac97 instance
2218 *
2219 * Do the standard resume procedure, power up and restoring the
2220 * old register values.
2221 */
ee42381e 2222void snd_ac97_resume(struct snd_ac97 *ac97)
1da177e4 2223{
ef21ca24 2224 unsigned long end_time;
1da177e4 2225
e26e7545
TI		 2226 if (! ac97)
2227 return;
2228
1da177e4
LT		 2229 if (ac97->bus->ops->reset) {
2230 ac97->bus->ops->reset(ac97);
2231 goto __reset_ready;
2232 }
2233
2234 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2235 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2236 snd_ac97_write(ac97, AC97_RESET, 0);
2237 udelay(100);
2238 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2239 }
2240 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2241
2242 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2243 if (ac97_is_audio(ac97)) {
2244 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
ef21ca24
NA		 2245 end_time = jiffies + msecs_to_jiffies(100);
2246 do {
1da177e4
LT		 2247 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2248 break;
8433a509 2249 schedule_timeout_uninterruptible(1);
ef21ca24 2250 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2251 /* FIXME: extra delay */
2252 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
ef21ca24
NA		 2253 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2254 msleep(250);
1da177e4 2255 } else {
ef21ca24
NA		 2256 end_time = jiffies + msecs_to_jiffies(100);
2257 do {
1da177e4
LT		 2258 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2259 if (val != 0xffff && (val & 1) != 0)
2260 break;
8433a509 2261 schedule_timeout_uninterruptible(1);
ef21ca24 2262 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2263 }
2264__reset_ready:
2265
2266 if (ac97->bus->ops->init)
2267 ac97->bus->ops->init(ac97);
2268
2269 if (ac97->build_ops->resume)
2270 ac97->build_ops->resume(ac97);
2271 else {
2272 snd_ac97_restore_status(ac97);
2273 snd_ac97_restore_iec958(ac97);
2274 }
2275}
2276#endif
2277
2278
2279/*
2280 * Hardware tuning
2281 */
2282static void set_ctl_name(char *dst, const char *src, const char *suffix)
2283{
2284 if (suffix)
2285 sprintf(dst, "%s %s", src, suffix);
2286 else
2287 strcpy(dst, src);
2288}
2289
2290/* remove the control with the given name and optional suffix */
ee42381e 2291int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2292{
ee42381e 2293 struct snd_ctl_elem_id id;
1da177e4
LT		 2294 memset(&id, 0, sizeof(id));
2295 set_ctl_name(id.name, name, suffix);
2296 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2297 return snd_ctl_remove_id(ac97->bus->card, &id);
2298}
2299
ee42381e 2300static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2301{
ee42381e 2302 struct snd_ctl_elem_id sid;
1da177e4
LT		 2303 memset(&sid, 0, sizeof(sid));
2304 set_ctl_name(sid.name, name, suffix);
2305 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2306 return snd_ctl_find_id(ac97->bus->card, &sid);
2307}
2308
2309/* rename the control with the given name and optional suffix */
ee42381e 2310int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
1da177e4 2311{
ee42381e 2312 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
1da177e4
LT		 2313 if (kctl) {
2314 set_ctl_name(kctl->id.name, dst, suffix);
2315 return 0;
2316 }
2317 return -ENOENT;
2318}
2319
2320/* rename both Volume and Switch controls - don't check the return value */
ee42381e 2321void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
1da177e4
LT		 2322{
2323 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2324 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2325}
2326
2327/* swap controls */
ee42381e 2328int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
1da177e4 2329{
ee42381e 2330 struct snd_kcontrol *kctl1, *kctl2;
1da177e4
LT		 2331 kctl1 = ctl_find(ac97, s1, suffix);
2332 kctl2 = ctl_find(ac97, s2, suffix);
2333 if (kctl1 && kctl2) {
2334 set_ctl_name(kctl1->id.name, s2, suffix);
2335 set_ctl_name(kctl2->id.name, s1, suffix);
2336 return 0;
2337 }
2338 return -ENOENT;
2339}
2340
2341#if 1
2342/* bind hp and master controls instead of using only hp control */
ee42381e 2343static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2344{
2345 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2346 if (err > 0) {
2347 unsigned long priv_saved = kcontrol->private_value;
2348 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2349 snd_ac97_put_volsw(kcontrol, ucontrol);
2350 kcontrol->private_value = priv_saved;
2351 }
2352 return err;
2353}
2354
2355/* ac97 tune: bind Master and Headphone controls */
ee42381e 2356static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4 2357{
ee42381e
TI		 2358 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2359 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
1da177e4
LT		 2360 if (! msw || ! mvol)
2361 return -ENOENT;
2362 msw->put = bind_hp_volsw_put;
2363 mvol->put = bind_hp_volsw_put;
2364 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2365 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2366 return 0;
2367}
2368
2369#else
2370/* ac97 tune: use Headphone control as master */
ee42381e 2371static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4
LT		 2372{
2373 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2374 return -ENOENT;
2375 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2376 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2377 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2378 return 0;
2379}
2380#endif
2381
2382/* ac97 tune: swap Headphone and Master controls */
ee42381e 2383static int tune_swap_hp(struct snd_ac97 *ac97)
1da177e4
LT		 2384{
2385 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2386 return -ENOENT;
2387 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2388 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2389 return 0;
2390}
2391
2392/* ac97 tune: swap Surround and Master controls */
ee42381e 2393static int tune_swap_surround(struct snd_ac97 *ac97)
1da177e4
LT		 2394{
2395 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2396 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2397 return -ENOENT;
2398 return 0;
2399}
2400
2401/* ac97 tune: set up mic sharing for AD codecs */
ee42381e 2402static int tune_ad_sharing(struct snd_ac97 *ac97)
1da177e4
LT		 2403{
2404 unsigned short scfg;
2405 if ((ac97->id & 0xffffff00) != 0x41445300) {
2406 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2407 return -EINVAL;
2408 }
2409 /* Turn on OMS bit to route microphone to back panel */
2410 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2411 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2412 return 0;
2413}
2414
ee42381e 2415static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
1da177e4
LT		 2416AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2417
2418/* ac97 tune: set up ALC jack-select */
ee42381e 2419static int tune_alc_jack(struct snd_ac97 *ac97)
1da177e4
LT		 2420{
2421 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2422 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2423 return -EINVAL;
2424 }
2425 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2426 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
031c95d4
TI		 2427 if (ac97->id == AC97_ID_ALC658D)
2428 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
1da177e4
LT		 2429 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2430}
2431
2432/* ac97 tune: inversed EAPD bit */
ee42381e 2433static int tune_inv_eapd(struct snd_ac97 *ac97)
1da177e4 2434{
ee42381e 2435 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
1da177e4
LT		 2436 if (! kctl)
2437 return -ENOENT;
2438 set_inv_eapd(ac97, kctl);
2439 return 0;
2440}
2441
ee42381e 2442static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2443{
2444 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2445 if (err > 0) {
ee42381e 2446 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 2447 int shift = (kcontrol->private_value >> 8) & 0x0f;
2448 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2449 unsigned short mask;
2450 if (shift != rshift)
2451 mask = 0x8080;
2452 else
2453 mask = 0x8000;
2454 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2455 (ac97->regs[AC97_MASTER] & mask) == mask ?
2456 0x8000 : 0);
2457 }
2458 return err;
2459}
2460
2461/* ac97 tune: EAPD controls mute LED bound with the master mute */
ee42381e 2462static int tune_mute_led(struct snd_ac97 *ac97)
1da177e4 2463{
ee42381e 2464 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
1da177e4
LT		 2465 if (! msw)
2466 return -ENOENT;
2467 msw->put = master_mute_sw_put;
2468 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2469 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2470 return 0;
2471}
2472
a0faefed
MG		 2473static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2474 struct snd_ctl_elem_value *ucontrol)
2475{
2476 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2477 if (err > 0) {
2478 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2479 int shift = (kcontrol->private_value >> 8) & 0x0f;
2480 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2481 unsigned short mask;
2482 if (shift != rshift)
2483 mask = 0x8080;
2484 else
2485 mask = 0x8000;
2486 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2487 (ac97->regs[AC97_MASTER] & mask) == mask ?
2488 0x8000 : 0);
2489 }
2490 return err;
2491}
2492
2493static int tune_hp_mute_led(struct snd_ac97 *ac97)
2494{
2495 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2496 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2497 if (! msw || ! mvol)
2498 return -ENOENT;
2499 msw->put = hp_master_mute_sw_put;
2500 mvol->put = bind_hp_volsw_put;
2501 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2502 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2503 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2504 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2505 return 0;
2506}
2507
1da177e4
LT		 2508struct quirk_table {
2509 const char *name;
ee42381e 2510 int (*func)(struct snd_ac97 *);
1da177e4
LT		 2511};
2512
2513static struct quirk_table applicable_quirks[] = {
2514 { "none", NULL },
2515 { "hp_only", tune_hp_only },
2516 { "swap_hp", tune_swap_hp },
2517 { "swap_surround", tune_swap_surround },
2518 { "ad_sharing", tune_ad_sharing },
2519 { "alc_jack", tune_alc_jack },
2520 { "inv_eapd", tune_inv_eapd },
2521 { "mute_led", tune_mute_led },
a0faefed 2522 { "hp_mute_led", tune_hp_mute_led },
1da177e4
LT		 2523};
2524
2525/* apply the quirk with the given type */
ee42381e 2526static int apply_quirk(struct snd_ac97 *ac97, int type)
1da177e4
LT		 2527{
2528 if (type <= 0)
2529 return 0;
2530 else if (type >= ARRAY_SIZE(applicable_quirks))
2531 return -EINVAL;
2532 if (applicable_quirks[type].func)
2533 return applicable_quirks[type].func(ac97);
2534 return 0;
2535}
2536
2537/* apply the quirk with the given name */
ee42381e 2538static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
1da177e4
LT		 2539{
2540 int i;
2541 struct quirk_table *q;
2542
2543 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2544 q = &applicable_quirks[i];
2545 if (q->name && ! strcmp(typestr, q->name))
2546 return apply_quirk(ac97, i);
2547 }
2548 /* for compatibility, accept the numbers, too */
2549 if (*typestr >= '0' && *typestr <= '9')
2550 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2551 return -EINVAL;
2552}
2553
2554/**
2555 * snd_ac97_tune_hardware - tune up the hardware
2556 * @ac97: the ac97 instance
2557 * @quirk: quirk list
2558 * @override: explicit quirk value (overrides the list if non-NULL)
2559 *
2560 * Do some workaround for each pci device, such as renaming of the
2561 * headphone (true line-out) control as "Master".
2562 * The quirk-list must be terminated with a zero-filled entry.
2563 *
2564 * Returns zero if successful, or a negative error code on failure.
2565 */
2566
ee42381e 2567int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
1da177e4
LT		 2568{
2569 int result;
2570
1da177e4
LT		 2571 /* quirk overriden? */
2572 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2573 result = apply_quirk_str(ac97, override);
2574 if (result < 0)
2575 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2576 return result;
2577 }
2578
4b499486
PP		 2579 if (! quirk)
2580 return -EINVAL;
2581
69ad07cf
JK		 2582 for (; quirk->subvendor; quirk++) {
2583 if (quirk->subvendor != ac97->subsystem_vendor)
1da177e4 2584 continue;
69ad07cf
JK		 2585 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2586 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
1da177e4
LT		 2587 if (quirk->codec_id && quirk->codec_id != ac97->id)
2588 continue;
2589 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2590 result = apply_quirk(ac97, quirk->type);
2591 if (result < 0)
2592 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2593 return result;
2594 }
2595 }
2596 return 0;
2597}
2598
2599
2600/*
2601 * Exported symbols
2602 */
2603
2604EXPORT_SYMBOL(snd_ac97_write);
2605EXPORT_SYMBOL(snd_ac97_read);
2606EXPORT_SYMBOL(snd_ac97_write_cache);
2607EXPORT_SYMBOL(snd_ac97_update);
2608EXPORT_SYMBOL(snd_ac97_update_bits);
2609EXPORT_SYMBOL(snd_ac97_get_short_name);
2610EXPORT_SYMBOL(snd_ac97_bus);
2611EXPORT_SYMBOL(snd_ac97_mixer);
2612EXPORT_SYMBOL(snd_ac97_pcm_assign);
2613EXPORT_SYMBOL(snd_ac97_pcm_open);
2614EXPORT_SYMBOL(snd_ac97_pcm_close);
2615EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2616EXPORT_SYMBOL(snd_ac97_tune_hardware);
2617EXPORT_SYMBOL(snd_ac97_set_rate);
2618#ifdef CONFIG_PM
2619EXPORT_SYMBOL(snd_ac97_resume);
2620EXPORT_SYMBOL(snd_ac97_suspend);
2621#endif
2622
2623/*
2624 * INIT part
2625 */
2626
2627static int __init alsa_ac97_init(void)
2628{
2629 return 0;
2630}
2631
2632static void __exit alsa_ac97_exit(void)
2633{
2634}
2635
2636module_init(alsa_ac97_init)
2637module_exit(alsa_ac97_exit)
Linux 6.x block layer and io_uring tree(s)