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[ALSA] usb-audio: add Miditech Play'n Roll support
[deliverable/linux.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
1033 *lo_max = *hi_max = 0;
1034 for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1035 unsigned short val;
1036 snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8));
c9eab129
JCD		 1037 /* Do the read twice due to buffers on some ac97 codecs.
1038 * e.g. The STAC9704 returns exactly what you wrote the the register
1039 * if you read it immediately. This causes the detect routine to fail.
1040 */
1041 val = snd_ac97_read(ac97, reg);
1da177e4 1042 val = snd_ac97_read(ac97, reg);
a2142674 1043 if (! *lo_max && (val & 0x7f) == cbit[i])
1da177e4 1044 *lo_max = max[i];
a2142674 1045 if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1da177e4
LT		 1046 *hi_max = max[i];
1047 if (*lo_max && *hi_max)
1048 break;
1049 }
1050}
1051
ee42381e 1052int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1da177e4
LT		 1053{
1054 unsigned short mask, val, orig, res;
1055
1056 mask = 1 << bit;
1057 orig = snd_ac97_read(ac97, reg);
1058 val = orig ^ mask;
1059 snd_ac97_write(ac97, reg, val);
1060 res = snd_ac97_read(ac97, reg);
1061 snd_ac97_write_cache(ac97, reg, orig);
1062 return res == val;
1063}
1064
1065/* check the volume resolution of center/lfe */
ee42381e 1066static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1da177e4
LT		 1067{
1068 unsigned short val, val1;
1069
1070 *max = 63;
1071 val = 0x8080 | (0x20 << shift);
1072 snd_ac97_write(ac97, reg, val);
1073 val1 = snd_ac97_read(ac97, reg);
1074 if (val != val1) {
1075 *max = 31;
1076 }
1077 /* reset volume to zero */
1078 snd_ac97_write_cache(ac97, reg, 0x8080);
1079}
1080
1081static inline int printable(unsigned int x)
1082{
1083 x &= 0xff;
1084 if (x < ' ' || x >= 0x71) {
1085 if (x <= 0x89)
1086 return x - 0x71 + 'A';
1087 return '?';
1088 }
1089 return x;
1090}
1091
ee42381e 1092struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
1da177e4 1093{
ee42381e 1094 struct snd_kcontrol_new template;
1da177e4 1095 memcpy(&template, _template, sizeof(template));
1da177e4
LT		 1096 template.index = ac97->num;
1097 return snd_ctl_new1(&template, ac97);
1098}
1099
1100/*
1101 * create mute switch(es) for normal stereo controls
1102 */
ee42381e 1103static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, int check_stereo, struct snd_ac97 *ac97)
1da177e4 1104{
ee42381e 1105 struct snd_kcontrol *kctl;
1da177e4
LT		 1106 int err;
1107 unsigned short val, val1, mute_mask;
1108
1109 if (! snd_ac97_valid_reg(ac97, reg))
1110 return 0;
1111
1112 mute_mask = 0x8000;
1113 val = snd_ac97_read(ac97, reg);
1114 if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1115 /* check whether both mute bits work */
1116 val1 = val | 0x8080;
1117 snd_ac97_write(ac97, reg, val1);
1118 if (val1 == snd_ac97_read(ac97, reg))
1119 mute_mask = 0x8080;
1120 }
1121 if (mute_mask == 0x8080) {
ee42381e 1122 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1da177e4
LT		 1123 tmp.index = ac97->num;
1124 kctl = snd_ctl_new1(&tmp, ac97);
1125 } else {
ee42381e 1126 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1da177e4
LT		 1127 tmp.index = ac97->num;
1128 kctl = snd_ctl_new1(&tmp, ac97);
1129 }
1130 err = snd_ctl_add(card, kctl);
1131 if (err < 0)
1132 return err;
1133 /* mute as default */
1134 snd_ac97_write_cache(ac97, reg, val | mute_mask);
1135 return 0;
1136}
1137
1138/*
1139 * create a volume for normal stereo/mono controls
1140 */
ee42381e
TI		 1141static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1142 unsigned int hi_max, struct snd_ac97 *ac97)
1da177e4
LT		 1143{
1144 int err;
ee42381e 1145 struct snd_kcontrol *kctl;
1da177e4
LT		 1146
1147 if (! snd_ac97_valid_reg(ac97, reg))
1148 return 0;
1149 if (hi_max) {
1150 /* invert */
ee42381e 1151 struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1da177e4
LT		 1152 tmp.index = ac97->num;
1153 kctl = snd_ctl_new1(&tmp, ac97);
1154 } else {
1155 /* invert */
ee42381e 1156 struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1da177e4
LT		 1157 tmp.index = ac97->num;
1158 kctl = snd_ctl_new1(&tmp, ac97);
1159 }
1160 err = snd_ctl_add(card, kctl);
1161 if (err < 0)
1162 return err;
1163 snd_ac97_write_cache(ac97, reg,
1164 (snd_ac97_read(ac97, reg) & 0x8080) |
1165 lo_max | (hi_max << 8));
1166 return 0;
1167}
1168
1169/*
1170 * create a mute-switch and a volume for normal stereo/mono controls
1171 */
ee42381e 1172static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, int reg, int check_stereo, struct snd_ac97 *ac97)
1da177e4
LT		 1173{
1174 int err;
1175 char name[44];
1176 unsigned char lo_max, hi_max;
1177
1178 if (! snd_ac97_valid_reg(ac97, reg))
1179 return 0;
1180
1181 if (snd_ac97_try_bit(ac97, reg, 15)) {
1182 sprintf(name, "%s Switch", pfx);
1183 if ((err = snd_ac97_cmute_new_stereo(card, name, reg, check_stereo, ac97)) < 0)
1184 return err;
1185 }
1186 check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1187 if (lo_max) {
1188 sprintf(name, "%s Volume", pfx);
1189 if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1190 return err;
1191 }
1192 return 0;
1193}
1194
1195#define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1196#define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1197
ee42381e 1198static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1da177e4 1199
ee42381e 1200static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1da177e4 1201{
ee42381e
TI		 1202 struct snd_card *card = ac97->bus->card;
1203 struct snd_kcontrol *kctl;
1da177e4
LT		 1204 int err;
1205 unsigned int idx;
1206 unsigned char max;
1207
1208 /* build master controls */
1209 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1210 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1211 if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1212 err = snd_ac97_cmute_new(card, "Master Playback Switch", AC97_MASTER, ac97);
1213 else
1214 err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, ac97);
1215 if (err < 0)
1216 return err;
1217 }
1218
1219 ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1220
1221 /* build center controls */
1222 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1223 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1224 return err;
1225 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1226 return err;
1227 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1228 kctl->private_value &= ~(0xff << 16);
1229 kctl->private_value |= (int)max << 16;
1230 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1231 }
1232
1233 /* build LFE controls */
1234 if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1235 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1236 return err;
1237 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1238 return err;
1239 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &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 << 8);
1243 }
1244
1245 /* build surround controls */
1246 if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1247 /* Surround Master (0x38) is with stereo mutes */
1248 if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
1249 return err;
1250 }
1251
1252 /* build headphone controls */
1253 if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1254 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, ac97)) < 0)
1255 return err;
1256 }
1257
1258 /* build master mono controls */
1259 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1260 if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", AC97_MASTER_MONO, ac97)) < 0)
1261 return err;
1262 }
1263
1264 /* build master tone controls */
3998b70f
LG		 1265 if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1266 if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1267 for (idx = 0; idx < 2; idx++) {
1268 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1269 return err;
1270 if (ac97->id == AC97_ID_YMF753) {
1271 kctl->private_value &= ~(0xff << 16);
1272 kctl->private_value |= 7 << 16;
1273 }
1da177e4 1274 }
3998b70f 1275 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1da177e4 1276 }
1da177e4
LT		 1277 }
1278
1279 /* build PC Speaker controls */
1280 if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1281 ((ac97->flags & AC97_HAS_PC_BEEP) ||
1282 snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1283 for (idx = 0; idx < 2; idx++)
1284 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1285 return err;
1286 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1287 snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1288 }
1289
1290 /* build Phone controls */
1291 if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1292 if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1293 if ((err = snd_ac97_cmix_new(card, "Phone Playback", AC97_PHONE, ac97)) < 0)
1294 return err;
1295 }
1296 }
1297
1298 /* build MIC controls */
3998b70f
LG		 1299 if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1300 if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1301 if ((err = snd_ac97_cmix_new(card, "Mic Playback", AC97_MIC, ac97)) < 0)
1302 return err;
1303 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1304 return err;
1305 }
1da177e4
LT		 1306 }
1307
1308 /* build Line controls */
1309 if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1310 if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, ac97)) < 0)
1311 return err;
1312 }
1313
1314 /* build CD controls */
1315 if (!(ac97->flags & AC97_HAS_NO_CD)) {
1316 if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1317 if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, ac97)) < 0)
1318 return err;
1319 }
1320 }
1321
1322 /* build Video controls */
1323 if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1324 if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1325 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, ac97)) < 0)
1326 return err;
1327 }
1328 }
1329
1330 /* build Aux controls */
1331 if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1332 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, ac97)) < 0)
1333 return err;
1334 }
1335
1336 /* build PCM controls */
1337 if (ac97->flags & AC97_AD_MULTI) {
1338 unsigned short init_val;
1339 if (ac97->flags & AC97_STEREO_MUTES)
1340 init_val = 0x9f9f;
1341 else
1342 init_val = 0x9f1f;
1343 for (idx = 0; idx < 2; idx++)
1344 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1345 return err;
1346 ac97->spec.ad18xx.pcmreg[0] = init_val;
1347 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1348 for (idx = 0; idx < 2; idx++)
1349 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1350 return err;
1351 ac97->spec.ad18xx.pcmreg[1] = init_val;
1352 }
1353 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1354 for (idx = 0; idx < 2; idx++)
1355 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1356 return err;
1357 for (idx = 0; idx < 2; idx++)
1358 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1359 return err;
1360 ac97->spec.ad18xx.pcmreg[2] = init_val;
1361 }
1362 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1363 } else {
3998b70f
LG		 1364 if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1365 if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1366 err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97);
1367 else
1368 err = snd_ac97_cmix_new(card, "PCM Playback", AC97_PCM, ac97);
1369 if (err < 0)
1370 return err;
1371 }
1da177e4
LT		 1372 }
1373
1374 /* build Capture controls */
1375 if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1376 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1377 return err;
1378 if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1379 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1380 return err;
1381 }
1382 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1383 return err;
1384 snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1385 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1386 }
1387 /* build MIC Capture controls */
1388 if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1389 for (idx = 0; idx < 2; idx++)
1390 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1391 return err;
1392 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1393 }
1394
1395 /* build PCM out path & mute control */
1396 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1397 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1398 return err;
1399 }
1400
1401 /* build Simulated Stereo Enhancement control */
1402 if (ac97->caps & 0x0008) {
1403 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1404 return err;
1405 }
1406
1407 /* build 3D Stereo Enhancement control */
1408 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1409 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1410 return err;
1411 }
1412
1413 /* build Loudness control */
1414 if (ac97->caps & 0x0020) {
1415 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1416 return err;
1417 }
1418
1419 /* build Mono output select control */
1420 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1421 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1422 return err;
1423 }
1424
1425 /* build Mic select control */
1426 if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1427 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1428 return err;
1429 }
1430
1431 /* build ADC/DAC loopback control */
1432 if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1433 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1434 return err;
1435 }
1436
1437 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
1438
1439 /* build 3D controls */
1440 if (ac97->build_ops->build_3d) {
1441 ac97->build_ops->build_3d(ac97);
1442 } else {
1443 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1444 unsigned short val;
1445 val = 0x0707;
1446 snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1447 val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1448 val = val == 0x0606;
1449 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1450 return err;
1451 if (val)
1452 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1453 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1454 return err;
1455 if (val)
1456 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1457 snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1458 }
1459 }
1460
1461 /* build S/PDIF controls */
1462 if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1463 if (ac97->build_ops->build_spdif) {
1464 if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1465 return err;
1466 } else {
1467 for (idx = 0; idx < 5; idx++)
1468 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1469 return err;
1470 if (ac97->build_ops->build_post_spdif) {
1471 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1472 return err;
1473 }
1474 /* set default PCM S/PDIF params */
1475 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1476 snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1477 ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1478 }
1479 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1480 }
1481
1482 /* build chip specific controls */
1483 if (ac97->build_ops->build_specific)
1484 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1485 return err;
1486
1487 if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1488 kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1489 if (! kctl)
1490 return -ENOMEM;
1491 if (ac97->scaps & AC97_SCAP_INV_EAPD)
1492 set_inv_eapd(ac97, kctl);
1493 if ((err = snd_ctl_add(card, kctl)) < 0)
1494 return err;
1495 }
1496
1497 return 0;
1498}
1499
ee42381e 1500static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1da177e4 1501{
87d61c29
SK		 1502 int err, idx;
1503
1da177e4
LT		 1504 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1505 snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1506 snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1507 snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1508 snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1509 snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
87d61c29
SK		 1510
1511 /* build modem switches */
1512 for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
0444e2ac 1513 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
87d61c29
SK		 1514 return err;
1515
1516 /* build chip specific controls */
1517 if (ac97->build_ops->build_specific)
1518 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1519 return err;
1520
1da177e4
LT		 1521 return 0;
1522}
1523
ee42381e 1524static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1da177e4
LT		 1525{
1526 unsigned short val;
1527 unsigned int tmp;
1528
1529 tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1530 snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1531 if (shadow_reg)
1532 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1533 val = snd_ac97_read(ac97, reg);
1534 return val == (tmp & 0xffff);
1535}
1536
ee42381e 1537static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1da177e4
LT		 1538{
1539 unsigned int result = 0;
1540 unsigned short saved;
1541
1542 if (ac97->bus->no_vra) {
1543 *r_result = SNDRV_PCM_RATE_48000;
1544 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1545 reg == AC97_PCM_FRONT_DAC_RATE)
1546 *r_result |= SNDRV_PCM_RATE_96000;
1547 return;
1548 }
1549
1550 saved = snd_ac97_read(ac97, reg);
1551 if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1552 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1553 AC97_EA_DRA, 0);
1554 /* test a non-standard rate */
1555 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1556 result |= SNDRV_PCM_RATE_CONTINUOUS;
1557 /* let's try to obtain standard rates */
1558 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1559 result |= SNDRV_PCM_RATE_8000;
1560 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1561 result |= SNDRV_PCM_RATE_11025;
1562 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1563 result |= SNDRV_PCM_RATE_16000;
1564 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1565 result |= SNDRV_PCM_RATE_22050;
1566 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1567 result |= SNDRV_PCM_RATE_32000;
1568 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1569 result |= SNDRV_PCM_RATE_44100;
1570 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1571 result |= SNDRV_PCM_RATE_48000;
1572 if ((ac97->flags & AC97_DOUBLE_RATE) &&
1573 reg == AC97_PCM_FRONT_DAC_RATE) {
1574 /* test standard double rates */
1575 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1576 AC97_EA_DRA, AC97_EA_DRA);
1577 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1578 result |= SNDRV_PCM_RATE_64000;
1579 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1580 result |= SNDRV_PCM_RATE_88200;
1581 if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1582 result |= SNDRV_PCM_RATE_96000;
1583 /* some codecs don't support variable double rates */
1584 if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1585 result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1586 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
1587 AC97_EA_DRA, 0);
1588 }
1589 /* restore the default value */
1590 snd_ac97_write_cache(ac97, reg, saved);
1591 if (shadow_reg)
1592 snd_ac97_write_cache(ac97, shadow_reg, saved);
1593 *r_result = result;
1594}
1595
1596/* check AC97_SPDIF register to accept which sample rates */
ee42381e 1597static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1da177e4
LT		 1598{
1599 unsigned int result = 0;
1600 int i;
1601 static unsigned short ctl_bits[] = {
1602 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1603 };
1604 static unsigned int rate_bits[] = {
1605 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1606 };
1607
1608 for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1609 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1610 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1611 result |= rate_bits[i];
1612 }
1613 return result;
1614}
1615
1616/* look for the codec id table matching with the given id */
ee42381e
TI		 1617static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1618 unsigned int id)
1da177e4 1619{
ee42381e 1620 const struct ac97_codec_id *pid;
1da177e4
LT		 1621
1622 for (pid = table; pid->id; pid++)
1623 if (pid->id == (id & pid->mask))
1624 return pid;
1625 return NULL;
1626}
1627
ee42381e 1628void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1da177e4 1629{
ee42381e 1630 const struct ac97_codec_id *pid;
1da177e4
LT		 1631
1632 sprintf(name, "0x%x %c%c%c", id,
1633 printable(id >> 24),
1634 printable(id >> 16),
1635 printable(id >> 8));
1636 pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1637 if (! pid)
1638 return;
1639
1640 strcpy(name, pid->name);
1641 if (ac97 && pid->patch) {
1642 if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1643 (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1644 pid->patch(ac97);
1645 }
1646
1647 pid = look_for_codec_id(snd_ac97_codec_ids, id);
1648 if (pid) {
1649 strcat(name, " ");
1650 strcat(name, pid->name);
1651 if (pid->mask != 0xffffffff)
1652 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
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 } else
1659 sprintf(name + strlen(name), " id %x", id & 0xff);
1660}
1661
1662/**
1663 * snd_ac97_get_short_name - retrieve codec name
1664 * @ac97: the codec instance
1665 *
1666 * Returns the short identifying name of the codec.
1667 */
ee42381e 1668const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1da177e4 1669{
ee42381e 1670 const struct ac97_codec_id *pid;
1da177e4
LT		 1671
1672 for (pid = snd_ac97_codec_ids; pid->id; pid++)
1673 if (pid->id == (ac97->id & pid->mask))
1674 return pid->name;
1675 return "unknown codec";
1676}
1677
1678
1679/* wait for a while until registers are accessible after RESET
1680 * return 0 if ok, negative not ready
1681 */
ee42381e 1682static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1da177e4
LT		 1683{
1684 unsigned long end_time;
1685 unsigned short val;
1686
1687 end_time = jiffies + timeout;
1688 do {
1689
1690 /* use preliminary reads to settle the communication */
1691 snd_ac97_read(ac97, AC97_RESET);
1692 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1693 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1694 /* modem? */
1695 if (with_modem) {
1696 val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1697 if (val != 0xffff && (val & 1) != 0)
1698 return 0;
1699 }
1700 if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1701 /* probably only Xbox issue - all registers are read as zero */
1702 val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1703 if (val != 0 && val != 0xffff)
1704 return 0;
1705 } else {
1706 /* because the PCM or MASTER volume registers can be modified,
1707 * the REC_GAIN register is used for tests
1708 */
1709 /* test if we can write to the record gain volume register */
1710 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1711 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1712 return 0;
1713 }
8433a509 1714 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1715 } while (time_after_eq(end_time, jiffies));
1716 return -ENODEV;
1717}
1718
1719/**
1720 * snd_ac97_bus - create an AC97 bus component
1721 * @card: the card instance
1722 * @num: the bus number
1723 * @ops: the bus callbacks table
1724 * @private_data: private data pointer for the new instance
1725 * @rbus: the pointer to store the new AC97 bus instance.
1726 *
ee42381e 1727 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1da177e4
LT		 1728 * allocated and initialized.
1729 *
1730 * The ops table must include valid callbacks (at least read and
1731 * write). The other callbacks, wait and reset, are not mandatory.
1732 *
1733 * The clock is set to 48000. If another clock is needed, set
1734 * (*rbus)->clock manually.
1735 *
1736 * The AC97 bus instance is registered as a low-level device, so you don't
1737 * have to release it manually.
1738 *
1739 * Returns zero if successful, or a negative error code on failure.
1740 */
ee42381e
TI		 1741int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1742 void *private_data, struct snd_ac97_bus **rbus)
1da177e4
LT		 1743{
1744 int err;
ee42381e
TI		 1745 struct snd_ac97_bus *bus;
1746 static struct snd_device_ops dev_ops = {
1da177e4
LT		 1747 .dev_free = snd_ac97_bus_dev_free,
1748 };
1749
1750 snd_assert(card != NULL, return -EINVAL);
1751 snd_assert(rbus != NULL, return -EINVAL);
e560d8d8 1752 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1da177e4
LT		 1753 if (bus == NULL)
1754 return -ENOMEM;
1755 bus->card = card;
1756 bus->num = num;
1757 bus->ops = ops;
1758 bus->private_data = private_data;
1759 bus->clock = 48000;
1760 spin_lock_init(&bus->bus_lock);
1761 snd_ac97_bus_proc_init(bus);
1762 if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1763 snd_ac97_bus_free(bus);
1764 return err;
1765 }
1766 *rbus = bus;
1767 return 0;
1768}
1769
0ca06a00
LG		 1770/* stop no dev release warning */
1771static void ac97_device_release(struct device * dev)
1772{
1773}
1774
1775/* register ac97 codec to bus */
ee42381e 1776static int snd_ac97_dev_register(struct snd_device *device)
0ca06a00 1777{
ee42381e 1778 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1779 int err;
1780
1781 ac97->dev.bus = &ac97_bus_type;
1782 ac97->dev.parent = ac97->bus->card->dev;
0ca06a00 1783 ac97->dev.release = ac97_device_release;
9398441e
TI		 1784 snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
1785 ac97->bus->card->number, ac97->num,
1786 snd_ac97_get_short_name(ac97));
0ca06a00
LG		 1787 if ((err = device_register(&ac97->dev)) < 0) {
1788 snd_printk(KERN_ERR "Can't register ac97 bus\n");
1789 ac97->dev.bus = NULL;
1790 return err;
1791 }
1792 return 0;
1793}
1794
1795/* unregister ac97 codec */
ee42381e 1796static int snd_ac97_dev_unregister(struct snd_device *device)
0ca06a00 1797{
ee42381e 1798 struct snd_ac97 *ac97 = device->device_data;
0ca06a00
LG		 1799 if (ac97->dev.bus)
1800 device_unregister(&ac97->dev);
1801 return snd_ac97_free(ac97);
1802}
1803
1da177e4
LT		 1804/* build_ops to do nothing */
1805static struct snd_ac97_build_ops null_build_ops;
1806
1807/**
1808 * snd_ac97_mixer - create an Codec97 component
1809 * @bus: the AC97 bus which codec is attached to
1810 * @template: the template of ac97, including index, callbacks and
1811 * the private data.
1812 * @rac97: the pointer to store the new ac97 instance.
1813 *
ee42381e 1814 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1da177e4
LT		 1815 * allocated and initialized from the template. The codec
1816 * is then initialized by the standard procedure.
1817 *
1818 * The template must include the codec number (num) and address (addr),
1819 * and the private data (private_data).
1820 *
1821 * The ac97 instance is registered as a low-level device, so you don't
1822 * have to release it manually.
1823 *
1824 * Returns zero if successful, or a negative error code on failure.
1825 */
ee42381e 1826int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
1da177e4
LT		 1827{
1828 int err;
ee42381e
TI		 1829 struct snd_ac97 *ac97;
1830 struct snd_card *card;
1da177e4
LT		 1831 char name[64];
1832 unsigned long end_time;
1833 unsigned int reg;
ee42381e
TI		 1834 const struct ac97_codec_id *pid;
1835 static struct snd_device_ops ops = {
1da177e4 1836 .dev_free = snd_ac97_dev_free,
0ca06a00
LG		 1837 .dev_register = snd_ac97_dev_register,
1838 .dev_unregister = snd_ac97_dev_unregister,
1da177e4
LT		 1839 };
1840
1841 snd_assert(rac97 != NULL, return -EINVAL);
1842 *rac97 = NULL;
1843 snd_assert(bus != NULL && template != NULL, return -EINVAL);
1844 snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1845
1da177e4 1846 card = bus->card;
e560d8d8 1847 ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
1da177e4
LT		 1848 if (ac97 == NULL)
1849 return -ENOMEM;
1850 ac97->private_data = template->private_data;
1851 ac97->private_free = template->private_free;
1852 ac97->bus = bus;
1853 ac97->pci = template->pci;
1854 ac97->num = template->num;
1855 ac97->addr = template->addr;
1856 ac97->scaps = template->scaps;
1857 ac97->limited_regs = template->limited_regs;
1858 memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1859 bus->codec[ac97->num] = ac97;
62932df8
IM		 1860 mutex_init(&ac97->reg_mutex);
1861 mutex_init(&ac97->page_mutex);
1da177e4 1862
adf1b3d2 1863#ifdef CONFIG_PCI
1da177e4
LT		 1864 if (ac97->pci) {
1865 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1866 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1867 }
adf1b3d2 1868#endif
1da177e4
LT		 1869 if (bus->ops->reset) {
1870 bus->ops->reset(ac97);
1871 goto __access_ok;
1872 }
1873
1874 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1875 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1876 if (ac97->id && ac97->id != (unsigned int)-1) {
1877 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1878 if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
1879 goto __access_ok;
1880 }
1881
23fea4da
SK		 1882 /* reset to defaults */
1883 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
1884 snd_ac97_write(ac97, AC97_RESET, 0);
1885 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
1886 snd_ac97_write(ac97, AC97_EXTENDED_MID, 0);
1da177e4
LT		 1887 if (bus->ops->wait)
1888 bus->ops->wait(ac97);
1889 else {
1890 udelay(50);
1891 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1892 err = ac97_reset_wait(ac97, HZ/2, 1);
1893 else {
1894 err = ac97_reset_wait(ac97, HZ/2, 0);
1895 if (err < 0)
1896 err = ac97_reset_wait(ac97, HZ/2, 1);
1897 }
1898 if (err < 0) {
1899 snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1900 /* proceed anyway - it's often non-critical */
1901 }
1902 }
1903 __access_ok:
1904 ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1905 ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1906 if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
1907 (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
1908 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1909 snd_ac97_free(ac97);
1910 return -EIO;
1911 }
1912 pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
1913 if (pid)
1914 ac97->flags |= pid->flags;
1915
1916 /* test for AC'97 */
1917 if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1918 /* test if we can write to the record gain volume register */
1919 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1920 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1921 ac97->scaps |= AC97_SCAP_AUDIO;
1922 }
1923 if (ac97->scaps & AC97_SCAP_AUDIO) {
1924 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1925 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1926 if (ac97->ext_id == 0xffff) /* invalid combination */
1927 ac97->ext_id = 0;
1928 }
1929
1930 /* test for MC'97 */
1931 if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1932 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1933 if (ac97->ext_mid == 0xffff) /* invalid combination */
1934 ac97->ext_mid = 0;
1935 if (ac97->ext_mid & 1)
1936 ac97->scaps |= AC97_SCAP_MODEM;
1937 }
1938
1939 if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1940 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1941 snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1942 snd_ac97_free(ac97);
1943 return -EACCES;
1944 }
1945
1946 if (bus->ops->reset) // FIXME: always skipping?
1947 goto __ready_ok;
1948
1949 /* FIXME: add powerdown control */
1950 if (ac97_is_audio(ac97)) {
1951 /* nothing should be in powerdown mode */
1952 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1953 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
1954 snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
1955 udelay(100);
1956 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1957 }
1958 /* nothing should be in powerdown mode */
1959 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1960 end_time = jiffies + (HZ / 10);
1961 do {
1962 if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1963 goto __ready_ok;
8433a509 1964 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1965 } while (time_after_eq(end_time, jiffies));
1966 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1967 }
1968
1969 /* FIXME: add powerdown control */
1970 if (ac97_is_modem(ac97)) {
1971 unsigned char tmp;
1972
1973 /* nothing should be in powerdown mode */
1974 /* note: it's important to set the rate at first */
1975 tmp = AC97_MEA_GPIO;
1976 if (ac97->ext_mid & AC97_MEI_LINE1) {
8e8311b0 1977 snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000);
1da177e4
LT		 1978 tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
1979 }
1980 if (ac97->ext_mid & AC97_MEI_LINE2) {
8e8311b0 1981 snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000);
1da177e4
LT		 1982 tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
1983 }
1984 if (ac97->ext_mid & AC97_MEI_HANDSET) {
8e8311b0 1985 snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
1da177e4
LT		 1986 tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
1987 }
8e8311b0 1988 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 1989 udelay(100);
1990 /* nothing should be in powerdown mode */
8e8311b0 1991 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
1da177e4
LT		 1992 end_time = jiffies + (HZ / 10);
1993 do {
1994 if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
1995 goto __ready_ok;
8433a509 1996 schedule_timeout_uninterruptible(1);
1da177e4
LT		 1997 } while (time_after_eq(end_time, jiffies));
1998 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
1999 }
2000
2001 __ready_ok:
2002 if (ac97_is_audio(ac97))
2003 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2004 else
2005 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2006 if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2007 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2008 reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2009 if (! bus->no_vra)
2010 reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2011 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2012 }
2013 if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2014 /* Intel controllers require double rate data to be put in
2015 * slots 7+8, so let's hope the codec supports it. */
2016 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
2017 if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
2018 ac97->flags |= AC97_DOUBLE_RATE;
091e95ee
TI		 2019 /* restore to slots 10/11 to avoid the confliction with surrounds */
2020 snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
1da177e4
LT		 2021 }
2022 if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2023 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2024 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2025 } else {
2026 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2027 if (ac97->flags & AC97_DOUBLE_RATE)
2028 ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
2029 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2030 }
2031 if (ac97->ext_id & AC97_EI_SPDIF) {
2032 /* codec specific code (patch) should override these values */
2033 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2034 }
2035 if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2036 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2037 } else {
2038 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2039 }
2040 if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2041 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2042 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2043 }
2044 if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2045 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2046 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2047 }
2048 /* additional initializations */
2049 if (bus->ops->init)
2050 bus->ops->init(ac97);
2051 snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2052 snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2053 if (! ac97->build_ops)
2054 ac97->build_ops = &null_build_ops;
2055
2056 if (ac97_is_audio(ac97)) {
2057 char comp[16];
2058 if (card->mixername[0] == '\0') {
2059 strcpy(card->mixername, name);
2060 } else {
2061 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2062 strcat(card->mixername, ",");
2063 strcat(card->mixername, name);
2064 }
2065 }
2066 sprintf(comp, "AC97a:%08x", ac97->id);
2067 if ((err = snd_component_add(card, comp)) < 0) {
2068 snd_ac97_free(ac97);
2069 return err;
2070 }
2071 if (snd_ac97_mixer_build(ac97) < 0) {
2072 snd_ac97_free(ac97);
2073 return -ENOMEM;
2074 }
2075 }
2076 if (ac97_is_modem(ac97)) {
2077 char comp[16];
2078 if (card->mixername[0] == '\0') {
2079 strcpy(card->mixername, name);
2080 } else {
2081 if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2082 strcat(card->mixername, ",");
2083 strcat(card->mixername, name);
2084 }
2085 }
2086 sprintf(comp, "AC97m:%08x", ac97->id);
2087 if ((err = snd_component_add(card, comp)) < 0) {
2088 snd_ac97_free(ac97);
2089 return err;
2090 }
2091 if (snd_ac97_modem_build(card, ac97) < 0) {
2092 snd_ac97_free(ac97);
2093 return -ENOMEM;
2094 }
2095 }
2096 /* make sure the proper powerdown bits are cleared */
2ba71978 2097 if (ac97->scaps && ac97_is_audio(ac97)) {
1da177e4
LT		 2098 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2099 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2100 reg &= ~AC97_EA_PRJ;
2101 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2102 reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2103 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2104 }
2105 snd_ac97_proc_init(ac97);
2106 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2107 snd_ac97_free(ac97);
2108 return err;
2109 }
2110 *rac97 = ac97;
1da177e4
LT		 2111 return 0;
2112}
2113
2114
2115/*
2116 * Power down the chip.
2117 *
2118 * MASTER and HEADPHONE registers are muted but the register cache values
2119 * are not changed, so that the values can be restored in snd_ac97_resume().
2120 */
ee42381e 2121static void snd_ac97_powerdown(struct snd_ac97 *ac97)
1da177e4
LT		 2122{
2123 unsigned short power;
2124
2125 if (ac97_is_audio(ac97)) {
2126 /* some codecs have stereo mute bits */
2127 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2128 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2129 }
2130
2131 power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
2132 power |= 0x4000; /* Headphone amplifier powerdown */
2133 power |= 0x0300; /* ADC & DAC powerdown */
2134 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2135 udelay(100);
2136 power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
2137 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2138 udelay(100);
2139#if 0
2140 /* FIXME: this causes click noises on some boards at resume */
2141 power |= 0x3800; /* AC-link powerdown, internal Clk disable */
2142 snd_ac97_write(ac97, AC97_POWERDOWN, power);
2143#endif
2144}
2145
2146
2147#ifdef CONFIG_PM
2148/**
2149 * snd_ac97_suspend - General suspend function for AC97 codec
2150 * @ac97: the ac97 instance
2151 *
2152 * Suspends the codec, power down the chip.
2153 */
ee42381e 2154void snd_ac97_suspend(struct snd_ac97 *ac97)
1da177e4 2155{
e26e7545
TI		 2156 if (! ac97)
2157 return;
1da177e4
LT		 2158 if (ac97->build_ops->suspend)
2159 ac97->build_ops->suspend(ac97);
2160 snd_ac97_powerdown(ac97);
2161}
2162
2163/*
2164 * restore ac97 status
2165 */
ee42381e 2166void snd_ac97_restore_status(struct snd_ac97 *ac97)
1da177e4
LT		 2167{
2168 int i;
2169
2170 for (i = 2; i < 0x7c ; i += 2) {
2171 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2172 continue;
2173 /* restore only accessible registers
2174 * some chip (e.g. nm256) may hang up when unsupported registers
2175 * are accessed..!
2176 */
2177 if (test_bit(i, ac97->reg_accessed)) {
2178 snd_ac97_write(ac97, i, ac97->regs[i]);
2179 snd_ac97_read(ac97, i);
2180 }
2181 }
2182}
2183
2184/*
2185 * restore IEC958 status
2186 */
ee42381e 2187void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
1da177e4
LT		 2188{
2189 if (ac97->ext_id & AC97_EI_SPDIF) {
2190 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2191 /* reset spdif status */
2192 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2193 snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2194 if (ac97->flags & AC97_CS_SPDIF)
2195 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2196 else
2197 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2198 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2199 }
2200 }
2201}
2202
2203/**
2204 * snd_ac97_resume - General resume function for AC97 codec
2205 * @ac97: the ac97 instance
2206 *
2207 * Do the standard resume procedure, power up and restoring the
2208 * old register values.
2209 */
ee42381e 2210void snd_ac97_resume(struct snd_ac97 *ac97)
1da177e4 2211{
ef21ca24 2212 unsigned long end_time;
1da177e4 2213
e26e7545
TI		 2214 if (! ac97)
2215 return;
2216
1da177e4
LT		 2217 if (ac97->bus->ops->reset) {
2218 ac97->bus->ops->reset(ac97);
2219 goto __reset_ready;
2220 }
2221
2222 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2223 if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2224 snd_ac97_write(ac97, AC97_RESET, 0);
2225 udelay(100);
2226 snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2227 }
2228 snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2229
2230 snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2231 if (ac97_is_audio(ac97)) {
2232 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
ef21ca24
NA		 2233 end_time = jiffies + msecs_to_jiffies(100);
2234 do {
1da177e4
LT		 2235 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2236 break;
8433a509 2237 schedule_timeout_uninterruptible(1);
ef21ca24 2238 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2239 /* FIXME: extra delay */
2240 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
ef21ca24
NA		 2241 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
2242 msleep(250);
1da177e4 2243 } else {
ef21ca24
NA		 2244 end_time = jiffies + msecs_to_jiffies(100);
2245 do {
1da177e4
LT		 2246 unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2247 if (val != 0xffff && (val & 1) != 0)
2248 break;
8433a509 2249 schedule_timeout_uninterruptible(1);
ef21ca24 2250 } while (time_after_eq(end_time, jiffies));
1da177e4
LT		 2251 }
2252__reset_ready:
2253
2254 if (ac97->bus->ops->init)
2255 ac97->bus->ops->init(ac97);
2256
2257 if (ac97->build_ops->resume)
2258 ac97->build_ops->resume(ac97);
2259 else {
2260 snd_ac97_restore_status(ac97);
2261 snd_ac97_restore_iec958(ac97);
2262 }
2263}
2264#endif
2265
2266
2267/*
2268 * Hardware tuning
2269 */
2270static void set_ctl_name(char *dst, const char *src, const char *suffix)
2271{
2272 if (suffix)
2273 sprintf(dst, "%s %s", src, suffix);
2274 else
2275 strcpy(dst, src);
2276}
2277
2278/* remove the control with the given name and optional suffix */
ee42381e 2279int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2280{
ee42381e 2281 struct snd_ctl_elem_id id;
1da177e4
LT		 2282 memset(&id, 0, sizeof(id));
2283 set_ctl_name(id.name, name, suffix);
2284 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2285 return snd_ctl_remove_id(ac97->bus->card, &id);
2286}
2287
ee42381e 2288static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
1da177e4 2289{
ee42381e 2290 struct snd_ctl_elem_id sid;
1da177e4
LT		 2291 memset(&sid, 0, sizeof(sid));
2292 set_ctl_name(sid.name, name, suffix);
2293 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2294 return snd_ctl_find_id(ac97->bus->card, &sid);
2295}
2296
2297/* rename the control with the given name and optional suffix */
ee42381e 2298int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
1da177e4 2299{
ee42381e 2300 struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
1da177e4
LT		 2301 if (kctl) {
2302 set_ctl_name(kctl->id.name, dst, suffix);
2303 return 0;
2304 }
2305 return -ENOENT;
2306}
2307
2308/* rename both Volume and Switch controls - don't check the return value */
ee42381e 2309void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst)
1da177e4
LT		 2310{
2311 snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2312 snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2313}
2314
2315/* swap controls */
ee42381e 2316int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
1da177e4 2317{
ee42381e 2318 struct snd_kcontrol *kctl1, *kctl2;
1da177e4
LT		 2319 kctl1 = ctl_find(ac97, s1, suffix);
2320 kctl2 = ctl_find(ac97, s2, suffix);
2321 if (kctl1 && kctl2) {
2322 set_ctl_name(kctl1->id.name, s2, suffix);
2323 set_ctl_name(kctl2->id.name, s1, suffix);
2324 return 0;
2325 }
2326 return -ENOENT;
2327}
2328
2329#if 1
2330/* bind hp and master controls instead of using only hp control */
ee42381e 2331static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2332{
2333 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2334 if (err > 0) {
2335 unsigned long priv_saved = kcontrol->private_value;
2336 kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2337 snd_ac97_put_volsw(kcontrol, ucontrol);
2338 kcontrol->private_value = priv_saved;
2339 }
2340 return err;
2341}
2342
2343/* ac97 tune: bind Master and Headphone controls */
ee42381e 2344static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4 2345{
ee42381e
TI		 2346 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2347 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
1da177e4
LT		 2348 if (! msw || ! mvol)
2349 return -ENOENT;
2350 msw->put = bind_hp_volsw_put;
2351 mvol->put = bind_hp_volsw_put;
2352 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2353 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2354 return 0;
2355}
2356
2357#else
2358/* ac97 tune: use Headphone control as master */
ee42381e 2359static int tune_hp_only(struct snd_ac97 *ac97)
1da177e4
LT		 2360{
2361 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2362 return -ENOENT;
2363 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2364 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2365 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2366 return 0;
2367}
2368#endif
2369
2370/* ac97 tune: swap Headphone and Master controls */
ee42381e 2371static int tune_swap_hp(struct snd_ac97 *ac97)
1da177e4
LT		 2372{
2373 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2374 return -ENOENT;
2375 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2376 snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2377 return 0;
2378}
2379
2380/* ac97 tune: swap Surround and Master controls */
ee42381e 2381static int tune_swap_surround(struct snd_ac97 *ac97)
1da177e4
LT		 2382{
2383 if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2384 snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2385 return -ENOENT;
2386 return 0;
2387}
2388
2389/* ac97 tune: set up mic sharing for AD codecs */
ee42381e 2390static int tune_ad_sharing(struct snd_ac97 *ac97)
1da177e4
LT		 2391{
2392 unsigned short scfg;
2393 if ((ac97->id & 0xffffff00) != 0x41445300) {
2394 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2395 return -EINVAL;
2396 }
2397 /* Turn on OMS bit to route microphone to back panel */
2398 scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2399 snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2400 return 0;
2401}
2402
ee42381e 2403static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
1da177e4
LT		 2404AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2405
2406/* ac97 tune: set up ALC jack-select */
ee42381e 2407static int tune_alc_jack(struct snd_ac97 *ac97)
1da177e4
LT		 2408{
2409 if ((ac97->id & 0xffffff00) != 0x414c4700) {
2410 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2411 return -EINVAL;
2412 }
2413 snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2414 snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
031c95d4
TI		 2415 if (ac97->id == AC97_ID_ALC658D)
2416 snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
1da177e4
LT		 2417 return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2418}
2419
2420/* ac97 tune: inversed EAPD bit */
ee42381e 2421static int tune_inv_eapd(struct snd_ac97 *ac97)
1da177e4 2422{
ee42381e 2423 struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
1da177e4
LT		 2424 if (! kctl)
2425 return -ENOENT;
2426 set_inv_eapd(ac97, kctl);
2427 return 0;
2428}
2429
ee42381e 2430static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4
LT		 2431{
2432 int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2433 if (err > 0) {
ee42381e 2434 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 2435 int shift = (kcontrol->private_value >> 8) & 0x0f;
2436 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2437 unsigned short mask;
2438 if (shift != rshift)
2439 mask = 0x8080;
2440 else
2441 mask = 0x8000;
2442 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2443 (ac97->regs[AC97_MASTER] & mask) == mask ?
2444 0x8000 : 0);
2445 }
2446 return err;
2447}
2448
2449/* ac97 tune: EAPD controls mute LED bound with the master mute */
ee42381e 2450static int tune_mute_led(struct snd_ac97 *ac97)
1da177e4 2451{
ee42381e 2452 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
1da177e4
LT		 2453 if (! msw)
2454 return -ENOENT;
2455 msw->put = master_mute_sw_put;
2456 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2457 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2458 return 0;
2459}
2460
a0faefed
MG		 2461static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2462 struct snd_ctl_elem_value *ucontrol)
2463{
2464 int err = bind_hp_volsw_put(kcontrol, ucontrol);
2465 if (err > 0) {
2466 struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2467 int shift = (kcontrol->private_value >> 8) & 0x0f;
2468 int rshift = (kcontrol->private_value >> 12) & 0x0f;
2469 unsigned short mask;
2470 if (shift != rshift)
2471 mask = 0x8080;
2472 else
2473 mask = 0x8000;
2474 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
2475 (ac97->regs[AC97_MASTER] & mask) == mask ?
2476 0x8000 : 0);
2477 }
2478 return err;
2479}
2480
2481static int tune_hp_mute_led(struct snd_ac97 *ac97)
2482{
2483 struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2484 struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2485 if (! msw || ! mvol)
2486 return -ENOENT;
2487 msw->put = hp_master_mute_sw_put;
2488 mvol->put = bind_hp_volsw_put;
2489 snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2490 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2491 snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2492 snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */
2493 return 0;
2494}
2495
1da177e4
LT		 2496struct quirk_table {
2497 const char *name;
ee42381e 2498 int (*func)(struct snd_ac97 *);
1da177e4
LT		 2499};
2500
2501static struct quirk_table applicable_quirks[] = {
2502 { "none", NULL },
2503 { "hp_only", tune_hp_only },
2504 { "swap_hp", tune_swap_hp },
2505 { "swap_surround", tune_swap_surround },
2506 { "ad_sharing", tune_ad_sharing },
2507 { "alc_jack", tune_alc_jack },
2508 { "inv_eapd", tune_inv_eapd },
2509 { "mute_led", tune_mute_led },
a0faefed 2510 { "hp_mute_led", tune_hp_mute_led },
1da177e4
LT		 2511};
2512
2513/* apply the quirk with the given type */
ee42381e 2514static int apply_quirk(struct snd_ac97 *ac97, int type)
1da177e4
LT		 2515{
2516 if (type <= 0)
2517 return 0;
2518 else if (type >= ARRAY_SIZE(applicable_quirks))
2519 return -EINVAL;
2520 if (applicable_quirks[type].func)
2521 return applicable_quirks[type].func(ac97);
2522 return 0;
2523}
2524
2525/* apply the quirk with the given name */
ee42381e 2526static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
1da177e4
LT		 2527{
2528 int i;
2529 struct quirk_table *q;
2530
2531 for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2532 q = &applicable_quirks[i];
2533 if (q->name && ! strcmp(typestr, q->name))
2534 return apply_quirk(ac97, i);
2535 }
2536 /* for compatibility, accept the numbers, too */
2537 if (*typestr >= '0' && *typestr <= '9')
2538 return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2539 return -EINVAL;
2540}
2541
2542/**
2543 * snd_ac97_tune_hardware - tune up the hardware
2544 * @ac97: the ac97 instance
2545 * @quirk: quirk list
2546 * @override: explicit quirk value (overrides the list if non-NULL)
2547 *
2548 * Do some workaround for each pci device, such as renaming of the
2549 * headphone (true line-out) control as "Master".
2550 * The quirk-list must be terminated with a zero-filled entry.
2551 *
2552 * Returns zero if successful, or a negative error code on failure.
2553 */
2554
ee42381e 2555int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
1da177e4
LT		 2556{
2557 int result;
2558
1da177e4
LT		 2559 /* quirk overriden? */
2560 if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2561 result = apply_quirk_str(ac97, override);
2562 if (result < 0)
2563 snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2564 return result;
2565 }
2566
4b499486
PP		 2567 if (! quirk)
2568 return -EINVAL;
2569
69ad07cf
JK		 2570 for (; quirk->subvendor; quirk++) {
2571 if (quirk->subvendor != ac97->subsystem_vendor)
1da177e4 2572 continue;
69ad07cf
JK		 2573 if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2574 quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
1da177e4
LT		 2575 if (quirk->codec_id && quirk->codec_id != ac97->id)
2576 continue;
2577 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2578 result = apply_quirk(ac97, quirk->type);
2579 if (result < 0)
2580 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2581 return result;
2582 }
2583 }
2584 return 0;
2585}
2586
2587
2588/*
2589 * Exported symbols
2590 */
2591
2592EXPORT_SYMBOL(snd_ac97_write);
2593EXPORT_SYMBOL(snd_ac97_read);
2594EXPORT_SYMBOL(snd_ac97_write_cache);
2595EXPORT_SYMBOL(snd_ac97_update);
2596EXPORT_SYMBOL(snd_ac97_update_bits);
2597EXPORT_SYMBOL(snd_ac97_get_short_name);
2598EXPORT_SYMBOL(snd_ac97_bus);
2599EXPORT_SYMBOL(snd_ac97_mixer);
2600EXPORT_SYMBOL(snd_ac97_pcm_assign);
2601EXPORT_SYMBOL(snd_ac97_pcm_open);
2602EXPORT_SYMBOL(snd_ac97_pcm_close);
2603EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules);
2604EXPORT_SYMBOL(snd_ac97_tune_hardware);
2605EXPORT_SYMBOL(snd_ac97_set_rate);
2606#ifdef CONFIG_PM
2607EXPORT_SYMBOL(snd_ac97_resume);
2608EXPORT_SYMBOL(snd_ac97_suspend);
2609#endif
2610
2611/*
2612 * INIT part
2613 */
2614
2615static int __init alsa_ac97_init(void)
2616{
2617 return 0;
2618}
2619
2620static void __exit alsa_ac97_exit(void)
2621{
2622}
2623
2624module_init(alsa_ac97_init)
2625module_exit(alsa_ac97_exit)
Linux kernel - Deliverables
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