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ac97_codec.c
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1 /*
2  * Copyright (c) by Jaroslav Kysela <[email protected]>
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 <linux/delay.h>
26 #include <linux/init.h>
27 #include <linux/slab.h>
28 #include <linux/pci.h>
29 #include <linux/module.h>
30 #include <linux/mutex.h>
31 #include <sound/core.h>
32 #include <sound/pcm.h>
33 #include <sound/tlv.h>
34 #include <sound/ac97_codec.h>
35 #include <sound/asoundef.h>
36 #include <sound/initval.h>
37 #include "ac97_id.h"
38 
39 #include "ac97_patch.c"
40 
41 MODULE_AUTHOR("Jaroslav Kysela <[email protected]>");
42 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
43 MODULE_LICENSE("GPL");
44 
45 static bool enable_loopback;
46 
47 module_param(enable_loopback, bool, 0444);
48 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
49 
50 #ifdef CONFIG_SND_AC97_POWER_SAVE
51 static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT;
52 module_param(power_save, int, 0644);
53 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
54  "(in second, 0 = disable).");
55 #endif
56 /*
57 
58  */
59 
60 struct ac97_codec_id {
61  unsigned int id;
62  unsigned int mask;
63  const char *name;
64  int (*patch)(struct snd_ac97 *ac97);
65  int (*mpatch)(struct snd_ac97 *ac97);
66  unsigned int flags;
67 };
68 
69 static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
70 { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
71 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
72 { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
73 { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
74 /*
75  * This is an _inofficial_ Aztech Labs entry
76  * (value might differ from unknown official Aztech ID),
77  * currently used by the AC97 emulation of the almost-AC97 PCI168 card.
78  */
79 { 0x415a5400, 0xffffff00, "Aztech Labs (emulated)", NULL, NULL },
80 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
81 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
82 { 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
83 { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
84 { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
85 { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
86 { 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
87 { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
88 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
89 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
90 { 0x50534300, 0xffffff00, "Philips", NULL, NULL },
91 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
92 { 0x53544d00, 0xffffff00, "STMicroelectronics", NULL, NULL },
93 { 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
94 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
95 { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
96 { 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
97 { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
98 { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
99 { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
100 { 0, 0, NULL, NULL, NULL }
101 };
102 
103 static const struct ac97_codec_id snd_ac97_codec_ids[] = {
104 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
105 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
106 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
107 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
108 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
109 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
110 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
111 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
112 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
113 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
114 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
115 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
116 { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL },
117 { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
118 { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
119 { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
120 { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
121 { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
122 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL },
123 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL },
124 { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */
125 { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */
126 { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */
127 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
128 { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
129 { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
130 { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
131 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
132 { 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL },
133 { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
134 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
135 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },
136 { 0x415a5401, 0xffffffff, "AZF3328", patch_aztech_azf3328, NULL },
137 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
138 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
139 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL },
140 { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL },
141 { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL },
142 { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL },
143 { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
144 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
145 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL },
146 { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
147 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
148 { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
149 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
150 { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
151 { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
152 { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
153 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
154 { 0x43585430, 0xffffffff, "Cx20468-31", patch_conexant, NULL },
155 { 0x43585431, 0xffffffff, "Cx20551", patch_cx20551, NULL },
156 { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
157 { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028?
158 { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
159 { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
160 { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
161 { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
162 { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
163 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
164 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
165 { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
166 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
167 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk
168 { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
169 { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix
170 { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL },
171 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
172 { 0x53544d02, 0xffffffff, "ST7597", NULL, NULL },
173 { 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
174 { 0x54524103, 0xffffffff, "TR28023", NULL, NULL },
175 { 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
176 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
177 { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
178 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
179 { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
180 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
181 { 0x56494182, 0xffffffff, "VIA1618", patch_vt1618, NULL },
182 { 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
183 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A", NULL, NULL },
184 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
185 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL},
186 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL},
187 { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
188 { 0x574d4C12, 0xffffffff, "WM9711,WM9712,WM9715", patch_wolfson11, NULL},
189 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
190 { 0x594d4800, 0xffffffff, "YMF743", patch_yamaha_ymf743, NULL },
191 { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
192 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
193 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL },
194 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL },
195 { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
196 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL },
197 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL },
198 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
199 { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch?
200 { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch?
201 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL },
202 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL },
203 { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch?
204 { 0, 0, NULL, NULL, NULL }
205 };
206 
207 
208 static void update_power_regs(struct snd_ac97 *ac97);
209 #ifdef CONFIG_SND_AC97_POWER_SAVE
210 #define ac97_is_power_save_mode(ac97) \
211  ((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
212 #else
213 #define ac97_is_power_save_mode(ac97) 0
214 #endif
215 
216 
217 /*
218  * I/O routines
219  */
220 
221 static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
222 {
223  /* filter some registers for buggy codecs */
224  switch (ac97->id) {
225  case AC97_ID_ST_AC97_ID4:
226  if (reg == 0x08)
227  return 0;
228  /* fall through */
229  case AC97_ID_ST7597:
230  if (reg == 0x22 || reg == 0x7a)
231  return 1;
232  /* fall through */
233  case AC97_ID_AK4540:
234  case AC97_ID_AK4542:
236  return 1;
237  return 0;
238  case AC97_ID_AD1819: /* AD1819 */
239  case AC97_ID_AD1881: /* AD1881 */
240  case AC97_ID_AD1881A: /* AD1881A */
241  if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
242  return 0;
243  return 1;
244  case AC97_ID_AD1885: /* AD1885 */
245  case AC97_ID_AD1886: /* AD1886 */
246  case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
247  case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
248  if (reg == 0x5a)
249  return 1;
250  if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
251  return 0;
252  return 1;
253  case AC97_ID_STAC9700:
254  case AC97_ID_STAC9704:
255  case AC97_ID_STAC9705:
256  case AC97_ID_STAC9708:
257  case AC97_ID_STAC9721:
258  case AC97_ID_STAC9744:
259  case AC97_ID_STAC9756:
260  if (reg <= 0x3a || reg >= 0x5a)
261  return 1;
262  return 0;
263  }
264  return 1;
265 }
266 
279 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
280 {
281  if (!snd_ac97_valid_reg(ac97, reg))
282  return;
283  if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
284  /* Fix H/W bug of ALC100/100P */
285  if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
286  ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */
287  }
288  ac97->bus->ops->write(ac97, reg, value);
289 }
290 
292 
304 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
305 {
306  if (!snd_ac97_valid_reg(ac97, reg))
307  return 0;
308  return ac97->bus->ops->read(ac97, reg);
309 }
310 
311 /* read a register - return the cached value if already read */
312 static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
313 {
314  if (! test_bit(reg, ac97->reg_accessed)) {
315  ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
316  // set_bit(reg, ac97->reg_accessed);
317  }
318  return ac97->regs[reg];
319 }
320 
322 
333 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
334 {
335  if (!snd_ac97_valid_reg(ac97, reg))
336  return;
337  mutex_lock(&ac97->reg_mutex);
338  ac97->regs[reg] = value;
339  ac97->bus->ops->write(ac97, reg, value);
340  set_bit(reg, ac97->reg_accessed);
341  mutex_unlock(&ac97->reg_mutex);
342 }
343 
345 
358 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
359 {
360  int change;
361 
362  if (!snd_ac97_valid_reg(ac97, reg))
363  return -EINVAL;
364  mutex_lock(&ac97->reg_mutex);
365  change = ac97->regs[reg] != value;
366  if (change) {
367  ac97->regs[reg] = value;
368  ac97->bus->ops->write(ac97, reg, value);
369  }
370  set_bit(reg, ac97->reg_accessed);
371  mutex_unlock(&ac97->reg_mutex);
372  return change;
373 }
374 
376 
390 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
391 {
392  int change;
393 
394  if (!snd_ac97_valid_reg(ac97, reg))
395  return -EINVAL;
396  mutex_lock(&ac97->reg_mutex);
397  change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
398  mutex_unlock(&ac97->reg_mutex);
399  return change;
400 }
401 
403 
404 /* no lock version - see snd_ac97_update_bits() */
405 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
406  unsigned short mask, unsigned short value)
407 {
408  int change;
409  unsigned short old, new;
410 
411  old = snd_ac97_read_cache(ac97, reg);
412  new = (old & ~mask) | (value & mask);
413  change = old != new;
414  if (change) {
415  ac97->regs[reg] = new;
416  ac97->bus->ops->write(ac97, reg, new);
417  }
418  set_bit(reg, ac97->reg_accessed);
419  return change;
420 }
421 
422 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
423 {
424  int change;
425  unsigned short old, new, cfg;
426 
427  mutex_lock(&ac97->page_mutex);
428  old = ac97->spec.ad18xx.pcmreg[codec];
429  new = (old & ~mask) | (value & mask);
430  change = old != new;
431  if (change) {
432  mutex_lock(&ac97->reg_mutex);
433  cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
434  ac97->spec.ad18xx.pcmreg[codec] = new;
435  /* select single codec */
436  ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
437  (cfg & ~0x7000) |
438  ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
439  /* update PCM bits */
440  ac97->bus->ops->write(ac97, AC97_PCM, new);
441  /* select all codecs */
442  ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
443  cfg | 0x7000);
444  mutex_unlock(&ac97->reg_mutex);
445  }
446  mutex_unlock(&ac97->page_mutex);
447  return change;
448 }
449 
450 /*
451  * Controls
452  */
453 
454 static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
455  struct snd_ctl_elem_info *uinfo)
456 {
457  struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
458 
460  uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
461  uinfo->value.enumerated.items = e->mask;
462 
463  if (uinfo->value.enumerated.item > e->mask - 1)
464  uinfo->value.enumerated.item = e->mask - 1;
465  strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
466  return 0;
467 }
468 
469 static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
470  struct snd_ctl_elem_value *ucontrol)
471 {
472  struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
473  struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
474  unsigned short val, bitmask;
475 
476  for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
477  ;
478  val = snd_ac97_read_cache(ac97, e->reg);
479  ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
480  if (e->shift_l != e->shift_r)
481  ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1);
482 
483  return 0;
484 }
485 
486 static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
487  struct snd_ctl_elem_value *ucontrol)
488 {
489  struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
490  struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
491  unsigned short val;
492  unsigned short mask, bitmask;
493 
494  for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
495  ;
496  if (ucontrol->value.enumerated.item[0] > e->mask - 1)
497  return -EINVAL;
498  val = ucontrol->value.enumerated.item[0] << e->shift_l;
499  mask = (bitmask - 1) << e->shift_l;
500  if (e->shift_l != e->shift_r) {
501  if (ucontrol->value.enumerated.item[1] > e->mask - 1)
502  return -EINVAL;
503  val |= ucontrol->value.enumerated.item[1] << e->shift_r;
504  mask |= (bitmask - 1) << e->shift_r;
505  }
506  return snd_ac97_update_bits(ac97, e->reg, mask, val);
507 }
508 
509 /* save/restore ac97 v2.3 paging */
510 static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
511 {
512  int page_save = -1;
513  if ((kcontrol->private_value & (1<<25)) &&
514  (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
515  (reg >= 0x60 && reg < 0x70)) {
516  unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
517  mutex_lock(&ac97->page_mutex); /* lock paging */
518  page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
520  }
521  return page_save;
522 }
523 
524 static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
525 {
526  if (page_save >= 0) {
528  mutex_unlock(&ac97->page_mutex); /* unlock paging */
529  }
530 }
531 
532 /* volume and switch controls */
533 static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
534  struct snd_ctl_elem_info *uinfo)
535 {
536  int mask = (kcontrol->private_value >> 16) & 0xff;
537  int shift = (kcontrol->private_value >> 8) & 0x0f;
538  int rshift = (kcontrol->private_value >> 12) & 0x0f;
539 
541  uinfo->count = shift == rshift ? 1 : 2;
542  uinfo->value.integer.min = 0;
543  uinfo->value.integer.max = mask;
544  return 0;
545 }
546 
547 static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
548  struct snd_ctl_elem_value *ucontrol)
549 {
550  struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
551  int reg = kcontrol->private_value & 0xff;
552  int shift = (kcontrol->private_value >> 8) & 0x0f;
553  int rshift = (kcontrol->private_value >> 12) & 0x0f;
554  int mask = (kcontrol->private_value >> 16) & 0xff;
555  int invert = (kcontrol->private_value >> 24) & 0x01;
556  int page_save;
557 
558  page_save = snd_ac97_page_save(ac97, reg, kcontrol);
559  ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
560  if (shift != rshift)
561  ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
562  if (invert) {
563  ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
564  if (shift != rshift)
565  ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
566  }
567  snd_ac97_page_restore(ac97, page_save);
568  return 0;
569 }
570 
571 static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
572  struct snd_ctl_elem_value *ucontrol)
573 {
574  struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
575  int reg = kcontrol->private_value & 0xff;
576  int shift = (kcontrol->private_value >> 8) & 0x0f;
577  int rshift = (kcontrol->private_value >> 12) & 0x0f;
578  int mask = (kcontrol->private_value >> 16) & 0xff;
579  int invert = (kcontrol->private_value >> 24) & 0x01;
580  int err, page_save;
581  unsigned short val, val2, val_mask;
582 
583  page_save = snd_ac97_page_save(ac97, reg, kcontrol);
584  val = (ucontrol->value.integer.value[0] & mask);
585  if (invert)
586  val = mask - val;
587  val_mask = mask << shift;
588  val = val << shift;
589  if (shift != rshift) {
590  val2 = (ucontrol->value.integer.value[1] & mask);
591  if (invert)
592  val2 = mask - val2;
593  val_mask |= mask << rshift;
594  val |= val2 << rshift;
595  }
596  err = snd_ac97_update_bits(ac97, reg, val_mask, val);
597  snd_ac97_page_restore(ac97, page_save);
598 #ifdef CONFIG_SND_AC97_POWER_SAVE
599  /* check analog mixer power-down */
600  if ((val_mask & AC97_PD_EAPD) &&
601  (kcontrol->private_value & (1<<30))) {
602  if (val & AC97_PD_EAPD)
603  ac97->power_up &= ~(1 << (reg>>1));
604  else
605  ac97->power_up |= 1 << (reg>>1);
606  update_power_regs(ac97);
607  }
608 #endif
609  return err;
610 }
611 
612 static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = {
613 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
614 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
615 };
616 
617 static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = {
618 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
619 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
620 };
621 
622 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = {
623 AC97_SINGLE("Beep Playback Switch", AC97_PC_BEEP, 15, 1, 1),
624 AC97_SINGLE("Beep Playback Volume", AC97_PC_BEEP, 1, 15, 1)
625 };
626 
627 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
628  AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
629 
630 
631 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
632 static const char* std_3d_path[] = {"pre 3D", "post 3D"};
633 static const char* std_mix[] = {"Mix", "Mic"};
634 static const char* std_mic[] = {"Mic1", "Mic2"};
635 
636 static const struct ac97_enum std_enum[] = {
637 AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel),
638 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path),
639 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix),
640 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic),
641 };
642 
643 static const struct snd_kcontrol_new snd_ac97_control_capture_src =
644 AC97_ENUM("Capture Source", std_enum[0]);
645 
646 static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
647 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
648 
649 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = {
650 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
651 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
652 };
653 
654 enum {
662 };
663 
664 static const struct snd_kcontrol_new snd_ac97_controls_general[7] = {
665 AC97_ENUM("PCM Out Path & Mute", std_enum[1]),
666 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
667 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
668 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
669 AC97_ENUM("Mono Output Select", std_enum[2]),
670 AC97_ENUM("Mic Select", std_enum[3]),
671 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
672 };
673 
674 static const struct snd_kcontrol_new snd_ac97_controls_3d[2] = {
675 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
676 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
677 };
678 
679 static const struct snd_kcontrol_new snd_ac97_controls_center[2] = {
680 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
681 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
682 };
683 
684 static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = {
685 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
686 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
687 };
688 
689 static const struct snd_kcontrol_new snd_ac97_control_eapd =
690 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
691 
692 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = {
693 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0),
694 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0)
695 };
696 
697 /* change the existing EAPD control as inverted */
698 static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
699 {
701  snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */
702  ac97->scaps |= AC97_SCAP_INV_EAPD;
703 }
704 
705 static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
706 {
708  uinfo->count = 1;
709  return 0;
710 }
711 
712 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
713 {
714  ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
718  ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
720  ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
721  return 0;
722 }
723 
724 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
725 {
726  /* FIXME: AC'97 spec doesn't say which bits are used for what */
727  ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
731  return 0;
732 }
733 
734 static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
735 {
736  struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
737 
738  mutex_lock(&ac97->reg_mutex);
739  ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
740  ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
741  ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
742  ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
743  mutex_unlock(&ac97->reg_mutex);
744  return 0;
745 }
746 
747 static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
748 {
749  struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
750  unsigned int new = 0;
751  unsigned short val = 0;
752  int change;
753 
754  new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
755  if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
756  new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
757  switch (new & IEC958_AES0_PRO_FS) {
758  case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
759  case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
760  case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
761  default: val |= 1<<12; break;
762  }
764  val |= 1<<3;
765  } else {
766  new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
767  new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
768  new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
770  val |= 1<<3;
771  if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
772  val |= 1<<2;
773  val |= ((new >> 8) & 0xff) << 4; // category + original
774  switch ((new >> 24) & 0xff) {
775  case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
776  case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
777  case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
778  default: val |= 1<<12; break;
779  }
780  }
781 
782  mutex_lock(&ac97->reg_mutex);
783  change = ac97->spdif_status != new;
784  ac97->spdif_status = new;
785 
786  if (ac97->flags & AC97_CS_SPDIF) {
787  int x = (val >> 12) & 0x03;
788  switch (x) {
789  case 0: x = 1; break; // 44.1
790  case 2: x = 0; break; // 48.0
791  default: x = 0; break; // illegal.
792  }
793  change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
794  } else if (ac97->flags & AC97_CX_SPDIF) {
795  int v;
800  v);
801  } else if (ac97->id == AC97_ID_YMF743) {
802  change |= snd_ac97_update_bits_nolock(ac97,
804  0xff38,
805  ((val << 4) & 0xff00) |
806  ((val << 2) & 0x0038));
807  } else {
808  unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
810 
811  change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val);
812  if (extst & AC97_EA_SPDIF) {
813  snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
814  }
815  }
816  mutex_unlock(&ac97->reg_mutex);
817 
818  return change;
819 }
820 
821 static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
822 {
823  struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
824  int reg = kcontrol->private_value & 0xff;
825  int shift = (kcontrol->private_value >> 8) & 0xff;
826  int mask = (kcontrol->private_value >> 16) & 0xff;
827  // int invert = (kcontrol->private_value >> 24) & 0xff;
828  unsigned short value, old, new;
829  int change;
830 
831  value = (ucontrol->value.integer.value[0] & mask);
832 
833  mutex_lock(&ac97->reg_mutex);
834  mask <<= shift;
835  value <<= shift;
836  old = snd_ac97_read_cache(ac97, reg);
837  new = (old & ~mask) | value;
838  change = old != new;
839 
840  if (change) {
841  unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
843  change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
844  if (extst & AC97_EA_SPDIF)
845  snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
846  }
847  mutex_unlock(&ac97->reg_mutex);
848  return change;
849 }
850 
851 static const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
852  {
853  .access = SNDRV_CTL_ELEM_ACCESS_READ,
856  .info = snd_ac97_spdif_mask_info,
857  .get = snd_ac97_spdif_cmask_get,
858  },
859  {
860  .access = SNDRV_CTL_ELEM_ACCESS_READ,
862  .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
863  .info = snd_ac97_spdif_mask_info,
864  .get = snd_ac97_spdif_pmask_get,
865  },
866  {
869  .info = snd_ac97_spdif_mask_info,
870  .get = snd_ac97_spdif_default_get,
871  .put = snd_ac97_spdif_default_put,
872  },
873 
875  {
877  .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
878  .info = snd_ac97_info_volsw,
879  .get = snd_ac97_get_volsw,
880  .put = snd_ac97_put_spsa,
881  .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
882  },
883 };
884 
885 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
886 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
887  .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
888  .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
889 
890 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
891 {
892  struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
893  int mask = (kcontrol->private_value >> 16) & 0x0f;
894  int lshift = (kcontrol->private_value >> 8) & 0x0f;
895  int rshift = (kcontrol->private_value >> 12) & 0x0f;
896 
898  if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
899  uinfo->count = 2;
900  else
901  uinfo->count = 1;
902  uinfo->value.integer.min = 0;
903  uinfo->value.integer.max = mask;
904  return 0;
905 }
906 
907 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
908 {
909  struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
910  int codec = kcontrol->private_value & 3;
911  int lshift = (kcontrol->private_value >> 8) & 0x0f;
912  int rshift = (kcontrol->private_value >> 12) & 0x0f;
913  int mask = (kcontrol->private_value >> 16) & 0xff;
914 
915  ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
916  if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
917  ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
918  return 0;
919 }
920 
921 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
922 {
923  struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
924  int codec = kcontrol->private_value & 3;
925  int lshift = (kcontrol->private_value >> 8) & 0x0f;
926  int rshift = (kcontrol->private_value >> 12) & 0x0f;
927  int mask = (kcontrol->private_value >> 16) & 0xff;
928  unsigned short val, valmask;
929 
930  val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
931  valmask = mask << lshift;
932  if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
933  val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
934  valmask |= mask << rshift;
935  }
936  return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
937 }
938 
939 #define AD18XX_PCM_VOLUME(xname, codec) \
940 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
941  .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
942  .private_value = codec }
943 
944 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
945 {
947  uinfo->count = 2;
948  uinfo->value.integer.min = 0;
949  uinfo->value.integer.max = 31;
950  return 0;
951 }
952 
953 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
954 {
955  struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
956  int codec = kcontrol->private_value & 3;
957 
958  mutex_lock(&ac97->page_mutex);
959  ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
960  ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
961  mutex_unlock(&ac97->page_mutex);
962  return 0;
963 }
964 
965 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
966 {
967  struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
968  int codec = kcontrol->private_value & 3;
969  unsigned short val1, val2;
970 
971  val1 = 31 - (ucontrol->value.integer.value[0] & 31);
972  val2 = 31 - (ucontrol->value.integer.value[1] & 31);
973  return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
974 }
975 
976 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = {
977 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
978 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
979 };
980 
981 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = {
982 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
983 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
984 };
985 
986 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = {
987 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
988 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
989 };
990 
991 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = {
992 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
993 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
994 };
995 
996 /*
997  *
998  */
999 
1000 static void snd_ac97_powerdown(struct snd_ac97 *ac97);
1001 
1002 static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
1003 {
1004  if (bus) {
1006  kfree(bus->pcms);
1007  if (bus->private_free)
1008  bus->private_free(bus);
1009  kfree(bus);
1010  }
1011  return 0;
1012 }
1013 
1014 static int snd_ac97_bus_dev_free(struct snd_device *device)
1015 {
1016  struct snd_ac97_bus *bus = device->device_data;
1017  return snd_ac97_bus_free(bus);
1018 }
1019 
1020 static int snd_ac97_free(struct snd_ac97 *ac97)
1021 {
1022  if (ac97) {
1023 #ifdef CONFIG_SND_AC97_POWER_SAVE
1024  cancel_delayed_work_sync(&ac97->power_work);
1025 #endif
1026  snd_ac97_proc_done(ac97);
1027  if (ac97->bus)
1028  ac97->bus->codec[ac97->num] = NULL;
1029  if (ac97->private_free)
1030  ac97->private_free(ac97);
1031  kfree(ac97);
1032  }
1033  return 0;
1034 }
1035 
1036 static int snd_ac97_dev_free(struct snd_device *device)
1037 {
1038  struct snd_ac97 *ac97 = device->device_data;
1039  snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1040  return snd_ac97_free(ac97);
1041 }
1042 
1043 static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
1044 {
1045  unsigned short val, mask = AC97_MUTE_MASK_MONO;
1046 
1047  if (! snd_ac97_valid_reg(ac97, reg))
1048  return 0;
1049 
1050  switch (reg) {
1051  case AC97_MASTER_TONE:
1052  return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0;
1053  case AC97_HEADPHONE:
1054  return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0;
1055  case AC97_REC_GAIN_MIC:
1056  return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0;
1057  case AC97_3D_CONTROL:
1058  if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) {
1059  val = snd_ac97_read(ac97, reg);
1060  /* if nonzero - fixed and we can't set it */
1061  return val == 0;
1062  }
1063  return 0;
1064  case AC97_CENTER_LFE_MASTER: /* center */
1065  if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1066  return 0;
1067  break;
1068  case AC97_CENTER_LFE_MASTER+1: /* lfe */
1069  if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1070  return 0;
1071  reg = AC97_CENTER_LFE_MASTER;
1072  mask = 0x0080;
1073  break;
1074  case AC97_SURROUND_MASTER:
1075  if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1076  return 0;
1077  break;
1078  }
1079 
1080  val = snd_ac97_read(ac97, reg);
1081  if (!(val & mask)) {
1082  /* nothing seems to be here - mute flag is not set */
1083  /* try another test */
1084  snd_ac97_write_cache(ac97, reg, val | mask);
1085  val = snd_ac97_read(ac97, reg);
1086  val = snd_ac97_read(ac97, reg);
1087  if (!(val & mask))
1088  return 0; /* nothing here */
1089  }
1090  return 1; /* success, useable */
1091 }
1092 
1093 static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
1094 {
1095  unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
1096  unsigned char max[3] = { 63, 31, 15 };
1097  int i;
1098 
1099  /* first look up the static resolution table */
1100  if (ac97->res_table) {
1101  const struct snd_ac97_res_table *tbl;
1102  for (tbl = ac97->res_table; tbl->reg; tbl++) {
1103  if (tbl->reg == reg) {
1104  *lo_max = tbl->bits & 0xff;
1105  *hi_max = (tbl->bits >> 8) & 0xff;
1106  return;
1107  }
1108  }
1109  }
1110 
1111  *lo_max = *hi_max = 0;
1112  for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
1113  unsigned short val;
1115  ac97, reg,
1116  AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8)
1117  );
1118  /* Do the read twice due to buffers on some ac97 codecs.
1119  * e.g. The STAC9704 returns exactly what you wrote to the register
1120  * if you read it immediately. This causes the detect routine to fail.
1121  */
1122  val = snd_ac97_read(ac97, reg);
1123  val = snd_ac97_read(ac97, reg);
1124  if (! *lo_max && (val & 0x7f) == cbit[i])
1125  *lo_max = max[i];
1126  if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
1127  *hi_max = max[i];
1128  if (*lo_max && *hi_max)
1129  break;
1130  }
1131 }
1132 
1133 static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
1134 {
1135  unsigned short mask, val, orig, res;
1136 
1137  mask = 1 << bit;
1138  orig = snd_ac97_read(ac97, reg);
1139  val = orig ^ mask;
1140  snd_ac97_write(ac97, reg, val);
1141  res = snd_ac97_read(ac97, reg);
1142  snd_ac97_write_cache(ac97, reg, orig);
1143  return res == val;
1144 }
1145 
1146 /* check the volume resolution of center/lfe */
1147 static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
1148 {
1149  unsigned short val, val1;
1150 
1151  *max = 63;
1152  val = AC97_MUTE_MASK_STEREO | (0x20 << shift);
1153  snd_ac97_write(ac97, reg, val);
1154  val1 = snd_ac97_read(ac97, reg);
1155  if (val != val1) {
1156  *max = 31;
1157  }
1158  /* reset volume to zero */
1160 }
1161 
1162 static inline int printable(unsigned int x)
1163 {
1164  x &= 0xff;
1165  if (x < ' ' || x >= 0x71) {
1166  if (x <= 0x89)
1167  return x - 0x71 + 'A';
1168  return '?';
1169  }
1170  return x;
1171 }
1172 
1173 static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template,
1174  struct snd_ac97 * ac97)
1175 {
1176  struct snd_kcontrol_new template;
1177  memcpy(&template, _template, sizeof(template));
1178  template.index = ac97->num;
1179  return snd_ctl_new1(&template, ac97);
1180 }
1181 
1182 /*
1183  * create mute switch(es) for normal stereo controls
1184  */
1185 static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
1186  int check_stereo, int check_amix,
1187  struct snd_ac97 *ac97)
1188 {
1189  struct snd_kcontrol *kctl;
1190  int err;
1191  unsigned short val, val1, mute_mask;
1192 
1193  if (! snd_ac97_valid_reg(ac97, reg))
1194  return 0;
1195 
1196  mute_mask = AC97_MUTE_MASK_MONO;
1197  val = snd_ac97_read(ac97, reg);
1198  if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
1199  /* check whether both mute bits work */
1200  val1 = val | AC97_MUTE_MASK_STEREO;
1201  snd_ac97_write(ac97, reg, val1);
1202  if (val1 == snd_ac97_read(ac97, reg))
1203  mute_mask = AC97_MUTE_MASK_STEREO;
1204  }
1205  if (mute_mask == AC97_MUTE_MASK_STEREO) {
1206  struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1207  if (check_amix)
1208  tmp.private_value |= (1 << 30);
1209  tmp.index = ac97->num;
1210  kctl = snd_ctl_new1(&tmp, ac97);
1211  } else {
1212  struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1213  if (check_amix)
1214  tmp.private_value |= (1 << 30);
1215  tmp.index = ac97->num;
1216  kctl = snd_ctl_new1(&tmp, ac97);
1217  }
1218  err = snd_ctl_add(card, kctl);
1219  if (err < 0)
1220  return err;
1221  /* mute as default */
1222  snd_ac97_write_cache(ac97, reg, val | mute_mask);
1223  return 0;
1224 }
1225 
1226 /*
1227  * set dB information
1228  */
1229 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
1230 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
1231 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
1232 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
1233 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
1234 
1235 static const unsigned int *find_db_scale(unsigned int maxval)
1236 {
1237  switch (maxval) {
1238  case 0x0f: return db_scale_4bit;
1239  case 0x1f: return db_scale_5bit;
1240  case 0x3f: return db_scale_6bit;
1241  }
1242  return NULL;
1243 }
1244 
1245 static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
1246 {
1247  kctl->tlv.p = tlv;
1248  if (tlv)
1249  kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1250 }
1251 
1252 /*
1253  * create a volume for normal stereo/mono controls
1254  */
1255 static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
1256  unsigned int hi_max, struct snd_ac97 *ac97)
1257 {
1258  int err;
1259  struct snd_kcontrol *kctl;
1260 
1261  if (! snd_ac97_valid_reg(ac97, reg))
1262  return 0;
1263  if (hi_max) {
1264  /* invert */
1265  struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1);
1266  tmp.index = ac97->num;
1267  kctl = snd_ctl_new1(&tmp, ac97);
1268  } else {
1269  /* invert */
1270  struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1);
1271  tmp.index = ac97->num;
1272  kctl = snd_ctl_new1(&tmp, ac97);
1273  }
1274  if (!kctl)
1275  return -ENOMEM;
1276  if (reg >= AC97_PHONE && reg <= AC97_PCM)
1277  set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
1278  else
1279  set_tlv_db_scale(kctl, find_db_scale(lo_max));
1280  err = snd_ctl_add(card, kctl);
1281  if (err < 0)
1282  return err;
1284  ac97, reg,
1285  (snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO)
1286  | lo_max | (hi_max << 8)
1287  );
1288  return 0;
1289 }
1290 
1291 /*
1292  * create a mute-switch and a volume for normal stereo/mono controls
1293  */
1294 static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
1295  int reg, int check_stereo, int check_amix,
1296  struct snd_ac97 *ac97)
1297 {
1298  int err;
1299  char name[44];
1300  unsigned char lo_max, hi_max;
1301 
1302  if (! snd_ac97_valid_reg(ac97, reg))
1303  return 0;
1304 
1305  if (snd_ac97_try_bit(ac97, reg, 15)) {
1306  sprintf(name, "%s Switch", pfx);
1307  if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
1308  check_stereo, check_amix,
1309  ac97)) < 0)
1310  return err;
1311  }
1312  check_volume_resolution(ac97, reg, &lo_max, &hi_max);
1313  if (lo_max) {
1314  sprintf(name, "%s Volume", pfx);
1315  if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0)
1316  return err;
1317  }
1318  return 0;
1319 }
1320 
1321 #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
1322  snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97)
1323 #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
1324  snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97)
1325 
1326 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
1327 
1328 static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
1329 {
1330  struct snd_card *card = ac97->bus->card;
1331  struct snd_kcontrol *kctl;
1332  int err;
1333  unsigned int idx;
1334  unsigned char max;
1335 
1336  /* build master controls */
1337  /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1338  if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1339  if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
1340  err = snd_ac97_cmute_new(card, "Master Playback Switch",
1341  AC97_MASTER, 0, ac97);
1342  else
1343  err = snd_ac97_cmix_new(card, "Master Playback",
1344  AC97_MASTER, 0, ac97);
1345  if (err < 0)
1346  return err;
1347  }
1348 
1350 
1351  /* build center controls */
1352  if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
1353  && !(ac97->flags & AC97_AD_MULTI)) {
1354  if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1355  return err;
1356  if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1357  return err;
1358  snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1359  kctl->private_value &= ~(0xff << 16);
1360  kctl->private_value |= (int)max << 16;
1361  set_tlv_db_scale(kctl, find_db_scale(max));
1363  }
1364 
1365  /* build LFE controls */
1366  if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
1367  && !(ac97->flags & AC97_AD_MULTI)) {
1368  if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1369  return err;
1370  if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1371  return err;
1372  snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1373  kctl->private_value &= ~(0xff << 16);
1374  kctl->private_value |= (int)max << 16;
1375  set_tlv_db_scale(kctl, find_db_scale(max));
1377  }
1378 
1379  /* build surround controls */
1380  if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
1381  && !(ac97->flags & AC97_AD_MULTI)) {
1382  /* Surround Master (0x38) is with stereo mutes */
1383  if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
1384  AC97_SURROUND_MASTER, 1, 0,
1385  ac97)) < 0)
1386  return err;
1387  }
1388 
1389  /* build headphone controls */
1390  if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1391  if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
1392  AC97_HEADPHONE, 0, ac97)) < 0)
1393  return err;
1394  }
1395 
1396  /* build master mono controls */
1397  if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1398  if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
1399  AC97_MASTER_MONO, 0, ac97)) < 0)
1400  return err;
1401  }
1402 
1403  /* build master tone controls */
1404  if (!(ac97->flags & AC97_HAS_NO_TONE)) {
1405  if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1406  for (idx = 0; idx < 2; idx++) {
1407  if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1408  return err;
1409  if (ac97->id == AC97_ID_YMF743 ||
1410  ac97->id == AC97_ID_YMF753) {
1411  kctl->private_value &= ~(0xff << 16);
1412  kctl->private_value |= 7 << 16;
1413  }
1414  }
1415  snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1416  }
1417  }
1418 
1419  /* build Beep controls */
1420  if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
1421  ((ac97->flags & AC97_HAS_PC_BEEP) ||
1422  snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
1423  for (idx = 0; idx < 2; idx++)
1424  if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1425  return err;
1426  set_tlv_db_scale(kctl, db_scale_4bit);
1428  ac97,
1429  AC97_PC_BEEP,
1430  (snd_ac97_read(ac97, AC97_PC_BEEP)
1431  | AC97_MUTE_MASK_MONO | 0x001e)
1432  );
1433  }
1434 
1435  /* build Phone controls */
1436  if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
1437  if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1438  if ((err = snd_ac97_cmix_new(card, "Phone Playback",
1439  AC97_PHONE, 1, ac97)) < 0)
1440  return err;
1441  }
1442  }
1443 
1444  /* build MIC controls */
1445  if (!(ac97->flags & AC97_HAS_NO_MIC)) {
1446  if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
1447  if ((err = snd_ac97_cmix_new(card, "Mic Playback",
1448  AC97_MIC, 1, ac97)) < 0)
1449  return err;
1450  if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0)
1451  return err;
1452  }
1453  }
1454 
1455  /* build Line controls */
1456  if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
1457  if ((err = snd_ac97_cmix_new(card, "Line Playback",
1458  AC97_LINE, 1, ac97)) < 0)
1459  return err;
1460  }
1461 
1462  /* build CD controls */
1463  if (!(ac97->flags & AC97_HAS_NO_CD)) {
1464  if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
1465  if ((err = snd_ac97_cmix_new(card, "CD Playback",
1466  AC97_CD, 1, ac97)) < 0)
1467  return err;
1468  }
1469  }
1470 
1471  /* build Video controls */
1472  if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
1473  if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1474  if ((err = snd_ac97_cmix_new(card, "Video Playback",
1475  AC97_VIDEO, 1, ac97)) < 0)
1476  return err;
1477  }
1478  }
1479 
1480  /* build Aux controls */
1481  if (!(ac97->flags & AC97_HAS_NO_AUX)) {
1482  if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1483  if ((err = snd_ac97_cmix_new(card, "Aux Playback",
1484  AC97_AUX, 1, ac97)) < 0)
1485  return err;
1486  }
1487  }
1488 
1489  /* build PCM controls */
1490  if (ac97->flags & AC97_AD_MULTI) {
1491  unsigned short init_val;
1492  if (ac97->flags & AC97_STEREO_MUTES)
1493  init_val = 0x9f9f;
1494  else
1495  init_val = 0x9f1f;
1496  for (idx = 0; idx < 2; idx++)
1497  if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1498  return err;
1499  set_tlv_db_scale(kctl, db_scale_5bit);
1500  ac97->spec.ad18xx.pcmreg[0] = init_val;
1501  if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1502  for (idx = 0; idx < 2; idx++)
1503  if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1504  return err;
1505  set_tlv_db_scale(kctl, db_scale_5bit);
1506  ac97->spec.ad18xx.pcmreg[1] = init_val;
1507  }
1508  if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1509  for (idx = 0; idx < 2; idx++)
1510  if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1511  return err;
1512  set_tlv_db_scale(kctl, db_scale_5bit);
1513  for (idx = 0; idx < 2; idx++)
1514  if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1515  return err;
1516  set_tlv_db_scale(kctl, db_scale_5bit);
1517  ac97->spec.ad18xx.pcmreg[2] = init_val;
1518  }
1519  snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1520  } else {
1521  if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
1522  if (ac97->flags & AC97_HAS_NO_PCM_VOL)
1523  err = snd_ac97_cmute_new(card,
1524  "PCM Playback Switch",
1525  AC97_PCM, 0, ac97);
1526  else
1527  err = snd_ac97_cmix_new(card, "PCM Playback",
1528  AC97_PCM, 0, ac97);
1529  if (err < 0)
1530  return err;
1531  }
1532  }
1533 
1534  /* build Capture controls */
1535  if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
1536  if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1537  return err;
1538  if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1539  err = snd_ac97_cmute_new(card, "Capture Switch",
1540  AC97_REC_GAIN, 0, ac97);
1541  if (err < 0)
1542  return err;
1543  }
1544  if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1545  return err;
1546  set_tlv_db_scale(kctl, db_scale_rec_gain);
1547  snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1548  snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1549  }
1550  /* build MIC Capture controls */
1551  if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1552  for (idx = 0; idx < 2; idx++)
1553  if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1554  return err;
1555  set_tlv_db_scale(kctl, db_scale_rec_gain);
1556  snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1557  }
1558 
1559  /* build PCM out path & mute control */
1560  if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1561  if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1562  return err;
1563  }
1564 
1565  /* build Simulated Stereo Enhancement control */
1566  if (ac97->caps & AC97_BC_SIM_STEREO) {
1567  if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1568  return err;
1569  }
1570 
1571  /* build 3D Stereo Enhancement control */
1572  if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1573  if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1574  return err;
1575  }
1576 
1577  /* build Loudness control */
1578  if (ac97->caps & AC97_BC_LOUDNESS) {
1579  if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1580  return err;
1581  }
1582 
1583  /* build Mono output select control */
1584  if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1585  if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1586  return err;
1587  }
1588 
1589  /* build Mic select control */
1590  if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1591  if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1592  return err;
1593  }
1594 
1595  /* build ADC/DAC loopback control */
1596  if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1597  if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1598  return err;
1599  }
1600 
1602 
1603  /* build 3D controls */
1604  if (ac97->build_ops->build_3d) {
1605  ac97->build_ops->build_3d(ac97);
1606  } else {
1607  if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1608  unsigned short val;
1609  val = 0x0707;
1610  snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1611  val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1612  val = val == 0x0606;
1613  if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1614  return err;
1615  if (val)
1616  kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1617  if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1618  return err;
1619  if (val)
1620  kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1621  snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1622  }
1623  }
1624 
1625  /* build S/PDIF controls */
1626 
1627  /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
1628  if (ac97->subsystem_vendor == 0x1043 &&
1629  ac97->subsystem_device == 0x810f)
1630  ac97->ext_id |= AC97_EI_SPDIF;
1631 
1632  if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
1633  if (ac97->build_ops->build_spdif) {
1634  if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1635  return err;
1636  } else {
1637  for (idx = 0; idx < 5; idx++)
1638  if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1639  return err;
1640  if (ac97->build_ops->build_post_spdif) {
1641  if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1642  return err;
1643  }
1644  /* set default PCM S/PDIF params */
1645  /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1646  snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1647  ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1648  }
1650  }
1651 
1652  /* build chip specific controls */
1653  if (ac97->build_ops->build_specific)
1654  if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1655  return err;
1656 
1657  if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1658  kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
1659  if (! kctl)
1660  return -ENOMEM;
1661  if (ac97->scaps & AC97_SCAP_INV_EAPD)
1662  set_inv_eapd(ac97, kctl);
1663  if ((err = snd_ctl_add(card, kctl)) < 0)
1664  return err;
1665  }
1666 
1667  return 0;
1668 }
1669 
1670 static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
1671 {
1672  int err, idx;
1673 
1674  /*
1675  printk(KERN_DEBUG "AC97_GPIO_CFG = %x\n",
1676  snd_ac97_read(ac97,AC97_GPIO_CFG));
1677  */
1678  snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1680  snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1681  snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1682  snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1683 
1684  /* build modem switches */
1685  for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
1686  if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
1687  return err;
1688 
1689  /* build chip specific controls */
1690  if (ac97->build_ops->build_specific)
1691  if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1692  return err;
1693 
1694  return 0;
1695 }
1696 
1697 static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
1698 {
1699  unsigned short val;
1700  unsigned int tmp;
1701 
1702  tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1703  snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1704  if (shadow_reg)
1705  snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1706  val = snd_ac97_read(ac97, reg);
1707  return val == (tmp & 0xffff);
1708 }
1709 
1710 static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
1711 {
1712  unsigned int result = 0;
1713  unsigned short saved;
1714 
1715  if (ac97->bus->no_vra) {
1716  *r_result = SNDRV_PCM_RATE_48000;
1717  if ((ac97->flags & AC97_DOUBLE_RATE) &&
1718  reg == AC97_PCM_FRONT_DAC_RATE)
1719  *r_result |= SNDRV_PCM_RATE_96000;
1720  return;
1721  }
1722 
1723  saved = snd_ac97_read(ac97, reg);
1724  if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
1726  AC97_EA_DRA, 0);
1727  /* test a non-standard rate */
1728  if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1729  result |= SNDRV_PCM_RATE_CONTINUOUS;
1730  /* let's try to obtain standard rates */
1731  if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1732  result |= SNDRV_PCM_RATE_8000;
1733  if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1734  result |= SNDRV_PCM_RATE_11025;
1735  if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1736  result |= SNDRV_PCM_RATE_16000;
1737  if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1738  result |= SNDRV_PCM_RATE_22050;
1739  if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1740  result |= SNDRV_PCM_RATE_32000;
1741  if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1742  result |= SNDRV_PCM_RATE_44100;
1743  if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1744  result |= SNDRV_PCM_RATE_48000;
1745  if ((ac97->flags & AC97_DOUBLE_RATE) &&
1746  reg == AC97_PCM_FRONT_DAC_RATE) {
1747  /* test standard double rates */
1750  if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2))
1751  result |= SNDRV_PCM_RATE_64000;
1752  if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2))
1753  result |= SNDRV_PCM_RATE_88200;
1754  if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2))
1755  result |= SNDRV_PCM_RATE_96000;
1756  /* some codecs don't support variable double rates */
1757  if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2))
1758  result &= ~SNDRV_PCM_RATE_CONTINUOUS;
1760  AC97_EA_DRA, 0);
1761  }
1762  /* restore the default value */
1763  snd_ac97_write_cache(ac97, reg, saved);
1764  if (shadow_reg)
1765  snd_ac97_write_cache(ac97, shadow_reg, saved);
1766  *r_result = result;
1767 }
1768 
1769 /* check AC97_SPDIF register to accept which sample rates */
1770 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
1771 {
1772  unsigned int result = 0;
1773  int i;
1774  static unsigned short ctl_bits[] = {
1776  };
1777  static unsigned int rate_bits[] = {
1779  };
1780 
1781  for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1782  snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1783  if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1784  result |= rate_bits[i];
1785  }
1786  return result;
1787 }
1788 
1789 /* look for the codec id table matching with the given id */
1790 static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
1791  unsigned int id)
1792 {
1793  const struct ac97_codec_id *pid;
1794 
1795  for (pid = table; pid->id; pid++)
1796  if (pid->id == (id & pid->mask))
1797  return pid;
1798  return NULL;
1799 }
1800 
1801 void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem)
1802 {
1803  const struct ac97_codec_id *pid;
1804 
1805  sprintf(name, "0x%x %c%c%c", id,
1806  printable(id >> 24),
1807  printable(id >> 16),
1808  printable(id >> 8));
1809  pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
1810  if (! pid)
1811  return;
1812 
1813  strcpy(name, pid->name);
1814  if (ac97 && pid->patch) {
1815  if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1816  (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1817  pid->patch(ac97);
1818  }
1819 
1820  pid = look_for_codec_id(snd_ac97_codec_ids, id);
1821  if (pid) {
1822  strcat(name, " ");
1823  strcat(name, pid->name);
1824  if (pid->mask != 0xffffffff)
1825  sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1826  if (ac97 && pid->patch) {
1827  if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
1828  (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
1829  pid->patch(ac97);
1830  }
1831  } else
1832  sprintf(name + strlen(name), " id %x", id & 0xff);
1833 }
1834 
1841 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
1842 {
1843  const struct ac97_codec_id *pid;
1844 
1845  for (pid = snd_ac97_codec_ids; pid->id; pid++)
1846  if (pid->id == (ac97->id & pid->mask))
1847  return pid->name;
1848  return "unknown codec";
1849 }
1850 
1852 
1853 /* wait for a while until registers are accessible after RESET
1854  * return 0 if ok, negative not ready
1855  */
1856 static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
1857 {
1858  unsigned long end_time;
1859  unsigned short val;
1860 
1861  end_time = jiffies + timeout;
1862  do {
1863 
1864  /* use preliminary reads to settle the communication */
1865  snd_ac97_read(ac97, AC97_RESET);
1868  /* modem? */
1869  if (with_modem) {
1870  val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1871  if (val != 0xffff && (val & 1) != 0)
1872  return 0;
1873  }
1874  if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
1875  /* probably only Xbox issue - all registers are read as zero */
1876  val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
1877  if (val != 0 && val != 0xffff)
1878  return 0;
1879  } else {
1880  /* because the PCM or MASTER volume registers can be modified,
1881  * the REC_GAIN register is used for tests
1882  */
1883  /* test if we can write to the record gain volume register */
1884  snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1885  if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1886  return 0;
1887  }
1889  } while (time_after_eq(end_time, jiffies));
1890  return -ENODEV;
1891 }
1892 
1915 int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
1916  void *private_data, struct snd_ac97_bus **rbus)
1917 {
1918  int err;
1919  struct snd_ac97_bus *bus;
1920  static struct snd_device_ops dev_ops = {
1921  .dev_free = snd_ac97_bus_dev_free,
1922  };
1923 
1924  if (snd_BUG_ON(!card))
1925  return -EINVAL;
1926  bus = kzalloc(sizeof(*bus), GFP_KERNEL);
1927  if (bus == NULL)
1928  return -ENOMEM;
1929  bus->card = card;
1930  bus->num = num;
1931  bus->ops = ops;
1932  bus->private_data = private_data;
1933  bus->clock = 48000;
1934  spin_lock_init(&bus->bus_lock);
1936  if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
1937  snd_ac97_bus_free(bus);
1938  return err;
1939  }
1940  if (rbus)
1941  *rbus = bus;
1942  return 0;
1943 }
1944 
1946 
1947 /* stop no dev release warning */
1948 static void ac97_device_release(struct device * dev)
1949 {
1950 }
1951 
1952 /* register ac97 codec to bus */
1953 static int snd_ac97_dev_register(struct snd_device *device)
1954 {
1955  struct snd_ac97 *ac97 = device->device_data;
1956  int err;
1957 
1958  ac97->dev.bus = &ac97_bus_type;
1959  ac97->dev.parent = ac97->bus->card->dev;
1960  ac97->dev.release = ac97_device_release;
1961  dev_set_name(&ac97->dev, "%d-%d:%s",
1962  ac97->bus->card->number, ac97->num,
1963  snd_ac97_get_short_name(ac97));
1964  if ((err = device_register(&ac97->dev)) < 0) {
1965  snd_printk(KERN_ERR "Can't register ac97 bus\n");
1966  ac97->dev.bus = NULL;
1967  return err;
1968  }
1969  return 0;
1970 }
1971 
1972 /* disconnect ac97 codec */
1973 static int snd_ac97_dev_disconnect(struct snd_device *device)
1974 {
1975  struct snd_ac97 *ac97 = device->device_data;
1976  if (ac97->dev.bus)
1977  device_unregister(&ac97->dev);
1978  return 0;
1979 }
1980 
1981 /* build_ops to do nothing */
1982 static const struct snd_ac97_build_ops null_build_ops;
1983 
1984 #ifdef CONFIG_SND_AC97_POWER_SAVE
1985 static void do_update_power(struct work_struct *work)
1986 {
1987  update_power_regs(
1988  container_of(work, struct snd_ac97, power_work.work));
1989 }
1990 #endif
1991 
2011 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
2012 {
2013  int err;
2014  struct snd_ac97 *ac97;
2015  struct snd_card *card;
2016  char name[64];
2017  unsigned long end_time;
2018  unsigned int reg;
2019  const struct ac97_codec_id *pid;
2020  static struct snd_device_ops ops = {
2021  .dev_free = snd_ac97_dev_free,
2022  .dev_register = snd_ac97_dev_register,
2023  .dev_disconnect = snd_ac97_dev_disconnect,
2024  };
2025 
2026  if (rac97)
2027  *rac97 = NULL;
2028  if (snd_BUG_ON(!bus || !template))
2029  return -EINVAL;
2030  if (snd_BUG_ON(template->num >= 4))
2031  return -EINVAL;
2032  if (bus->codec[template->num])
2033  return -EBUSY;
2034 
2035  card = bus->card;
2036  ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
2037  if (ac97 == NULL)
2038  return -ENOMEM;
2039  ac97->private_data = template->private_data;
2040  ac97->private_free = template->private_free;
2041  ac97->bus = bus;
2042  ac97->pci = template->pci;
2043  ac97->num = template->num;
2044  ac97->addr = template->addr;
2045  ac97->scaps = template->scaps;
2046  ac97->res_table = template->res_table;
2047  bus->codec[ac97->num] = ac97;
2048  mutex_init(&ac97->reg_mutex);
2049  mutex_init(&ac97->page_mutex);
2050 #ifdef CONFIG_SND_AC97_POWER_SAVE
2051  INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
2052 #endif
2053 
2054 #ifdef CONFIG_PCI
2055  if (ac97->pci) {
2056  pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
2057  pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
2058  }
2059 #endif
2060  if (bus->ops->reset) {
2061  bus->ops->reset(ac97);
2062  goto __access_ok;
2063  }
2064 
2065  ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2066  ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2067  if (ac97->id && ac97->id != (unsigned int)-1) {
2068  pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2069  if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
2070  goto __access_ok;
2071  }
2072 
2073  /* reset to defaults */
2074  if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2075  snd_ac97_write(ac97, AC97_RESET, 0);
2076  if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2078  if (bus->ops->wait)
2079  bus->ops->wait(ac97);
2080  else {
2081  udelay(50);
2082  if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
2083  err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 1);
2084  else {
2085  err = ac97_reset_wait(ac97, msecs_to_jiffies(500), 0);
2086  if (err < 0)
2087  err = ac97_reset_wait(ac97,
2088  msecs_to_jiffies(500), 1);
2089  }
2090  if (err < 0) {
2091  snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
2092  /* proceed anyway - it's often non-critical */
2093  }
2094  }
2095  __access_ok:
2096  ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
2097  ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
2098  if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
2099  (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) {
2100  snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
2101  snd_ac97_free(ac97);
2102  return -EIO;
2103  }
2104  pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
2105  if (pid)
2106  ac97->flags |= pid->flags;
2107 
2108  /* test for AC'97 */
2109  if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
2110  /* test if we can write to the record gain volume register */
2111  snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
2112  if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
2113  ac97->scaps |= AC97_SCAP_AUDIO;
2114  }
2115  if (ac97->scaps & AC97_SCAP_AUDIO) {
2116  ac97->caps = snd_ac97_read(ac97, AC97_RESET);
2117  ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
2118  if (ac97->ext_id == 0xffff) /* invalid combination */
2119  ac97->ext_id = 0;
2120  }
2121 
2122  /* test for MC'97 */
2123  if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
2124  ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2125  if (ac97->ext_mid == 0xffff) /* invalid combination */
2126  ac97->ext_mid = 0;
2127  if (ac97->ext_mid & 1)
2128  ac97->scaps |= AC97_SCAP_MODEM;
2129  }
2130 
2131  if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
2133  snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
2134  snd_ac97_free(ac97);
2135  return -EACCES;
2136  }
2137 
2138  if (bus->ops->reset) // FIXME: always skipping?
2139  goto __ready_ok;
2140 
2141  /* FIXME: add powerdown control */
2142  if (ac97_is_audio(ac97)) {
2143  /* nothing should be in powerdown mode */
2145  if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2146  snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
2147  udelay(100);
2149  }
2150  /* nothing should be in powerdown mode */
2152  end_time = jiffies + msecs_to_jiffies(5000);
2153  do {
2154  if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
2155  goto __ready_ok;
2157  } while (time_after_eq(end_time, jiffies));
2158  snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
2159  }
2160 
2161  /* FIXME: add powerdown control */
2162  if (ac97_is_modem(ac97)) {
2163  unsigned char tmp;
2164 
2165  /* nothing should be in powerdown mode */
2166  /* note: it's important to set the rate at first */
2167  tmp = AC97_MEA_GPIO;
2168  if (ac97->ext_mid & AC97_MEI_LINE1) {
2170  tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
2171  }
2172  if (ac97->ext_mid & AC97_MEI_LINE2) {
2174  tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
2175  }
2176  if (ac97->ext_mid & AC97_MEI_HANDSET) {
2178  tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
2179  }
2181  udelay(100);
2182  /* nothing should be in powerdown mode */
2184  end_time = jiffies + msecs_to_jiffies(100);
2185  do {
2186  if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
2187  goto __ready_ok;
2189  } while (time_after_eq(end_time, jiffies));
2190  snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2191  }
2192 
2193  __ready_ok:
2194  if (ac97_is_audio(ac97))
2195  ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2196  else
2197  ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2198  if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2199  reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2200  reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
2201  if (! bus->no_vra)
2202  reg |= ac97->ext_id & 0x0009; /* VRA/VRM */
2204  }
2205  if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
2206  /* Intel controllers require double rate data to be put in
2207  * slots 7+8, so let's hope the codec supports it. */
2210  ac97->flags |= AC97_DOUBLE_RATE;
2211  /* restore to slots 10/11 to avoid the confliction with surrounds */
2212  snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0);
2213  }
2214  if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
2215  snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2216  snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2217  } else {
2219  if (ac97->flags & AC97_DOUBLE_RATE)
2222  }
2223  if (ac97->ext_id & AC97_EI_SPDIF) {
2224  /* codec specific code (patch) should override these values */
2226  }
2227  if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
2228  snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2229  } else {
2231  }
2232  if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
2233  snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2234  ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2235  }
2236  if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
2237  snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2239  }
2240  /* additional initializations */
2241  if (bus->ops->init)
2242  bus->ops->init(ac97);
2243  snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2244  snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
2245  if (! ac97->build_ops)
2246  ac97->build_ops = &null_build_ops;
2247 
2248  if (ac97_is_audio(ac97)) {
2249  char comp[16];
2250  if (card->mixername[0] == '\0') {
2251  strcpy(card->mixername, name);
2252  } else {
2253  if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2254  strcat(card->mixername, ",");
2255  strcat(card->mixername, name);
2256  }
2257  }
2258  sprintf(comp, "AC97a:%08x", ac97->id);
2259  if ((err = snd_component_add(card, comp)) < 0) {
2260  snd_ac97_free(ac97);
2261  return err;
2262  }
2263  if (snd_ac97_mixer_build(ac97) < 0) {
2264  snd_ac97_free(ac97);
2265  return -ENOMEM;
2266  }
2267  }
2268  if (ac97_is_modem(ac97)) {
2269  char comp[16];
2270  if (card->mixername[0] == '\0') {
2271  strcpy(card->mixername, name);
2272  } else {
2273  if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2274  strcat(card->mixername, ",");
2275  strcat(card->mixername, name);
2276  }
2277  }
2278  sprintf(comp, "AC97m:%08x", ac97->id);
2279  if ((err = snd_component_add(card, comp)) < 0) {
2280  snd_ac97_free(ac97);
2281  return err;
2282  }
2283  if (snd_ac97_modem_build(card, ac97) < 0) {
2284  snd_ac97_free(ac97);
2285  return -ENOMEM;
2286  }
2287  }
2288  if (ac97_is_audio(ac97))
2289  update_power_regs(ac97);
2290  snd_ac97_proc_init(ac97);
2291  if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
2292  snd_ac97_free(ac97);
2293  return err;
2294  }
2295  *rac97 = ac97;
2296  return 0;
2297 }
2298 
2300 
2301 /*
2302  * Power down the chip.
2303  *
2304  * MASTER and HEADPHONE registers are muted but the register cache values
2305  * are not changed, so that the values can be restored in snd_ac97_resume().
2306  */
2307 static void snd_ac97_powerdown(struct snd_ac97 *ac97)
2308 {
2309  unsigned short power;
2310 
2311  if (ac97_is_audio(ac97)) {
2312  /* some codecs have stereo mute bits */
2313  snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2314  snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2315  }
2316 
2317  /* surround, CLFE, mic powerdown */
2318  power = ac97->regs[AC97_EXTENDED_STATUS];
2319  if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2320  power |= AC97_EA_PRJ;
2321  if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2322  power |= AC97_EA_PRI | AC97_EA_PRK;
2323  power |= AC97_EA_PRL;
2324  snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
2325 
2326  /* powerdown external amplifier */
2327  if (ac97->scaps & AC97_SCAP_INV_EAPD)
2328  power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
2329  else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
2330  power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
2331  power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
2332  power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
2333  snd_ac97_write(ac97, AC97_POWERDOWN, power);
2334  udelay(100);
2335  power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */
2336  snd_ac97_write(ac97, AC97_POWERDOWN, power);
2337  if (ac97_is_power_save_mode(ac97)) {
2338  power |= AC97_PD_PR3; /* Analog Mixer powerdown */
2339  snd_ac97_write(ac97, AC97_POWERDOWN, power);
2340  udelay(100);
2341  /* AC-link powerdown, internal Clk disable */
2342  /* FIXME: this may cause click noises on some boards */
2343  power |= AC97_PD_PR4 | AC97_PD_PR5;
2344  snd_ac97_write(ac97, AC97_POWERDOWN, power);
2345  }
2346 }
2347 
2348 
2350  unsigned short reg;
2351  unsigned short power_reg;
2352  unsigned short mask;
2353 };
2354 
2356 
2357 static struct ac97_power_reg power_regs[PWIDX_SIZE] = {
2363  AC97_EA_PRJ},
2365  AC97_EA_PRL},
2366 };
2367 
2368 #ifdef CONFIG_SND_AC97_POWER_SAVE
2369 
2377 int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
2378 {
2379  int i;
2380 
2381  if (! ac97)
2382  return 0;
2383 
2384  if (reg) {
2385  /* SPDIF requires DAC power, too */
2386  if (reg == AC97_SPDIF)
2388  for (i = 0; i < PWIDX_SIZE; i++) {
2389  if (power_regs[i].reg == reg) {
2390  if (powerup)
2391  ac97->power_up |= (1 << i);
2392  else
2393  ac97->power_up &= ~(1 << i);
2394  break;
2395  }
2396  }
2397  }
2398 
2399  if (ac97_is_power_save_mode(ac97) && !powerup)
2400  /* adjust power-down bits after two seconds delay
2401  * (for avoiding loud click noises for many (OSS) apps
2402  * that open/close frequently)
2403  */
2404  schedule_delayed_work(&ac97->power_work,
2405  msecs_to_jiffies(power_save * 1000));
2406  else {
2407  cancel_delayed_work(&ac97->power_work);
2408  update_power_regs(ac97);
2409  }
2410 
2411  return 0;
2412 }
2413 
2414 EXPORT_SYMBOL(snd_ac97_update_power);
2415 #endif /* CONFIG_SND_AC97_POWER_SAVE */
2416 
2417 static void update_power_regs(struct snd_ac97 *ac97)
2418 {
2419  unsigned int power_up, bits;
2420  int i;
2421 
2422  power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
2423  power_up |= (1 << PWIDX_MIC);
2424  if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2425  power_up |= (1 << PWIDX_SURR);
2426  if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2427  power_up |= (1 << PWIDX_CLFE);
2428 #ifdef CONFIG_SND_AC97_POWER_SAVE
2429  if (ac97_is_power_save_mode(ac97))
2430  power_up = ac97->power_up;
2431 #endif
2432  if (power_up) {
2433  if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
2434  /* needs power-up analog mix and vref */
2436  AC97_PD_PR3, 0);
2437  msleep(1);
2439  AC97_PD_PR2, 0);
2440  }
2441  }
2442  for (i = 0; i < PWIDX_SIZE; i++) {
2443  if (power_up & (1 << i))
2444  bits = 0;
2445  else
2446  bits = power_regs[i].mask;
2447  snd_ac97_update_bits(ac97, power_regs[i].power_reg,
2448  power_regs[i].mask, bits);
2449  }
2450  if (! power_up) {
2451  if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
2452  /* power down analog mix and vref */
2454  AC97_PD_PR2, AC97_PD_PR2);
2457  }
2458  }
2459 }
2460 
2461 
2462 #ifdef CONFIG_PM
2463 
2469 void snd_ac97_suspend(struct snd_ac97 *ac97)
2470 {
2471  if (! ac97)
2472  return;
2473  if (ac97->build_ops->suspend)
2474  ac97->build_ops->suspend(ac97);
2475 #ifdef CONFIG_SND_AC97_POWER_SAVE
2476  cancel_delayed_work_sync(&ac97->power_work);
2477 #endif
2478  snd_ac97_powerdown(ac97);
2479 }
2480 
2481 EXPORT_SYMBOL(snd_ac97_suspend);
2482 
2483 /*
2484  * restore ac97 status
2485  */
2486 static void snd_ac97_restore_status(struct snd_ac97 *ac97)
2487 {
2488  int i;
2489 
2490  for (i = 2; i < 0x7c ; i += 2) {
2491  if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2492  continue;
2493  /* restore only accessible registers
2494  * some chip (e.g. nm256) may hang up when unsupported registers
2495  * are accessed..!
2496  */
2497  if (test_bit(i, ac97->reg_accessed)) {
2498  snd_ac97_write(ac97, i, ac97->regs[i]);
2499  snd_ac97_read(ac97, i);
2500  }
2501  }
2502 }
2503 
2504 /*
2505  * restore IEC958 status
2506  */
2507 static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
2508 {
2509  if (ac97->ext_id & AC97_EI_SPDIF) {
2510  if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2511  /* reset spdif status */
2512  snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2514  if (ac97->flags & AC97_CS_SPDIF)
2516  else
2517  snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2518  snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2519  }
2520  }
2521 }
2522 
2530 void snd_ac97_resume(struct snd_ac97 *ac97)
2531 {
2532  unsigned long end_time;
2533 
2534  if (! ac97)
2535  return;
2536 
2537  if (ac97->bus->ops->reset) {
2538  ac97->bus->ops->reset(ac97);
2539  goto __reset_ready;
2540  }
2541 
2542  snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2543  if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
2544  if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
2545  snd_ac97_write(ac97, AC97_RESET, 0);
2546  else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
2548  udelay(100);
2549  snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2550  }
2552 
2554  if (ac97_is_audio(ac97)) {
2555  ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2556  end_time = jiffies + msecs_to_jiffies(100);
2557  do {
2558  if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2559  break;
2561  } while (time_after_eq(end_time, jiffies));
2562  /* FIXME: extra delay */
2563  ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO);
2565  msleep(250);
2566  } else {
2567  end_time = jiffies + msecs_to_jiffies(100);
2568  do {
2569  unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2570  if (val != 0xffff && (val & 1) != 0)
2571  break;
2573  } while (time_after_eq(end_time, jiffies));
2574  }
2575 __reset_ready:
2576 
2577  if (ac97->bus->ops->init)
2578  ac97->bus->ops->init(ac97);
2579 
2580  if (ac97->build_ops->resume)
2581  ac97->build_ops->resume(ac97);
2582  else {
2583  snd_ac97_restore_status(ac97);
2584  snd_ac97_restore_iec958(ac97);
2585  }
2586 }
2587 
2588 EXPORT_SYMBOL(snd_ac97_resume);
2589 #endif
2590 
2591 
2592 /*
2593  * Hardware tuning
2594  */
2595 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2596 {
2597  if (suffix)
2598  sprintf(dst, "%s %s", src, suffix);
2599  else
2600  strcpy(dst, src);
2601 }
2602 
2603 /* remove the control with the given name and optional suffix */
2604 static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
2605  const char *suffix)
2606 {
2607  struct snd_ctl_elem_id id;
2608  memset(&id, 0, sizeof(id));
2609  set_ctl_name(id.name, name, suffix);
2610  id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2611  return snd_ctl_remove_id(ac97->bus->card, &id);
2612 }
2613 
2614 static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
2615 {
2616  struct snd_ctl_elem_id sid;
2617  memset(&sid, 0, sizeof(sid));
2618  set_ctl_name(sid.name, name, suffix);
2620  return snd_ctl_find_id(ac97->bus->card, &sid);
2621 }
2622 
2623 /* rename the control with the given name and optional suffix */
2624 static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
2625  const char *dst, const char *suffix)
2626 {
2627  struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
2628  if (kctl) {
2629  set_ctl_name(kctl->id.name, dst, suffix);
2630  return 0;
2631  }
2632  return -ENOENT;
2633 }
2634 
2635 /* rename both Volume and Switch controls - don't check the return value */
2636 static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
2637  const char *dst)
2638 {
2639  snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2640  snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2641 }
2642 
2643 /* swap controls */
2644 static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
2645  const char *s2, const char *suffix)
2646 {
2647  struct snd_kcontrol *kctl1, *kctl2;
2648  kctl1 = ctl_find(ac97, s1, suffix);
2649  kctl2 = ctl_find(ac97, s2, suffix);
2650  if (kctl1 && kctl2) {
2651  set_ctl_name(kctl1->id.name, s2, suffix);
2652  set_ctl_name(kctl2->id.name, s1, suffix);
2653  return 0;
2654  }
2655  return -ENOENT;
2656 }
2657 
2658 #if 1
2659 /* bind hp and master controls instead of using only hp control */
2660 static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2661 {
2662  int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2663  if (err > 0) {
2664  unsigned long priv_saved = kcontrol->private_value;
2665  kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE;
2666  snd_ac97_put_volsw(kcontrol, ucontrol);
2667  kcontrol->private_value = priv_saved;
2668  }
2669  return err;
2670 }
2671 
2672 /* ac97 tune: bind Master and Headphone controls */
2673 static int tune_hp_only(struct snd_ac97 *ac97)
2674 {
2675  struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2676  struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2677  if (! msw || ! mvol)
2678  return -ENOENT;
2679  msw->put = bind_hp_volsw_put;
2680  mvol->put = bind_hp_volsw_put;
2681  snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2682  snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2683  return 0;
2684 }
2685 
2686 #else
2687 /* ac97 tune: use Headphone control as master */
2688 static int tune_hp_only(struct snd_ac97 *ac97)
2689 {
2690  if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2691  return -ENOENT;
2692  snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2693  snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2694  snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2695  return 0;
2696 }
2697 #endif
2698 
2699 /* ac97 tune: swap Headphone and Master controls */
2700 static int tune_swap_hp(struct snd_ac97 *ac97)
2701 {
2702  if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2703  return -ENOENT;
2704  snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2705  snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2706  return 0;
2707 }
2708 
2709 /* ac97 tune: swap Surround and Master controls */
2710 static int tune_swap_surround(struct snd_ac97 *ac97)
2711 {
2712  if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") ||
2713  snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume"))
2714  return -ENOENT;
2715  return 0;
2716 }
2717 
2718 /* ac97 tune: set up mic sharing for AD codecs */
2719 static int tune_ad_sharing(struct snd_ac97 *ac97)
2720 {
2721  unsigned short scfg;
2722  if ((ac97->id & 0xffffff00) != 0x41445300) {
2723  snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2724  return -EINVAL;
2725  }
2726  /* Turn on OMS bit to route microphone to back panel */
2727  scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2728  snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2729  return 0;
2730 }
2731 
2732 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
2733 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2734 
2735 /* ac97 tune: set up ALC jack-select */
2736 static int tune_alc_jack(struct snd_ac97 *ac97)
2737 {
2738  if ((ac97->id & 0xffffff00) != 0x414c4700) {
2739  snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2740  return -EINVAL;
2741  }
2742  snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2743  snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2744  if (ac97->id == AC97_ID_ALC658D)
2745  snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
2746  return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2747 }
2748 
2749 /* ac97 tune: inversed EAPD bit */
2750 static int tune_inv_eapd(struct snd_ac97 *ac97)
2751 {
2752  struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL);
2753  if (! kctl)
2754  return -ENOENT;
2755  set_inv_eapd(ac97, kctl);
2756  return 0;
2757 }
2758 
2759 static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
2760 {
2761  int err = snd_ac97_put_volsw(kcontrol, ucontrol);
2762  if (err > 0) {
2763  struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2764  int shift = (kcontrol->private_value >> 8) & 0x0f;
2765  int rshift = (kcontrol->private_value >> 12) & 0x0f;
2766  unsigned short mask;
2767  if (shift != rshift)
2768  mask = AC97_MUTE_MASK_STEREO;
2769  else
2770  mask = AC97_MUTE_MASK_MONO;
2771  snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2772  (ac97->regs[AC97_MASTER] & mask) == mask ?
2773  AC97_PD_EAPD : 0);
2774  }
2775  return err;
2776 }
2777 
2778 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2779 static int tune_mute_led(struct snd_ac97 *ac97)
2780 {
2781  struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2782  if (! msw)
2783  return -ENOENT;
2784  msw->put = master_mute_sw_put;
2785  snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2787  ac97, AC97_POWERDOWN,
2788  AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2789  );
2790  ac97->scaps |= AC97_SCAP_EAPD_LED;
2791  return 0;
2792 }
2793 
2794 static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
2795  struct snd_ctl_elem_value *ucontrol)
2796 {
2797  int err = bind_hp_volsw_put(kcontrol, ucontrol);
2798  if (err > 0) {
2799  struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
2800  int shift = (kcontrol->private_value >> 8) & 0x0f;
2801  int rshift = (kcontrol->private_value >> 12) & 0x0f;
2802  unsigned short mask;
2803  if (shift != rshift)
2804  mask = AC97_MUTE_MASK_STEREO;
2805  else
2806  mask = AC97_MUTE_MASK_MONO;
2807  snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
2808  (ac97->regs[AC97_MASTER] & mask) == mask ?
2809  AC97_PD_EAPD : 0);
2810  }
2811  return err;
2812 }
2813 
2814 static int tune_hp_mute_led(struct snd_ac97 *ac97)
2815 {
2816  struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL);
2817  struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL);
2818  if (! msw || ! mvol)
2819  return -ENOENT;
2820  msw->put = hp_master_mute_sw_put;
2821  mvol->put = bind_hp_volsw_put;
2822  snd_ac97_remove_ctl(ac97, "External Amplifier", NULL);
2823  snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch");
2824  snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume");
2826  ac97, AC97_POWERDOWN,
2827  AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
2828  );
2829  return 0;
2830 }
2831 
2832 struct quirk_table {
2833  const char *name;
2834  int (*func)(struct snd_ac97 *);
2835 };
2836 
2837 static struct quirk_table applicable_quirks[] = {
2838  { "none", NULL },
2839  { "hp_only", tune_hp_only },
2840  { "swap_hp", tune_swap_hp },
2841  { "swap_surround", tune_swap_surround },
2842  { "ad_sharing", tune_ad_sharing },
2843  { "alc_jack", tune_alc_jack },
2844  { "inv_eapd", tune_inv_eapd },
2845  { "mute_led", tune_mute_led },
2846  { "hp_mute_led", tune_hp_mute_led },
2847 };
2848 
2849 /* apply the quirk with the given type */
2850 static int apply_quirk(struct snd_ac97 *ac97, int type)
2851 {
2852  if (type <= 0)
2853  return 0;
2854  else if (type >= ARRAY_SIZE(applicable_quirks))
2855  return -EINVAL;
2856  if (applicable_quirks[type].func)
2857  return applicable_quirks[type].func(ac97);
2858  return 0;
2859 }
2860 
2861 /* apply the quirk with the given name */
2862 static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
2863 {
2864  int i;
2865  struct quirk_table *q;
2866 
2867  for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) {
2868  q = &applicable_quirks[i];
2869  if (q->name && ! strcmp(typestr, q->name))
2870  return apply_quirk(ac97, i);
2871  }
2872  /* for compatibility, accept the numbers, too */
2873  if (*typestr >= '0' && *typestr <= '9')
2874  return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10));
2875  return -EINVAL;
2876 }
2877 
2891 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
2892 {
2893  int result;
2894 
2895  /* quirk overriden? */
2896  if (override && strcmp(override, "-1") && strcmp(override, "default")) {
2897  result = apply_quirk_str(ac97, override);
2898  if (result < 0)
2899  snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
2900  return result;
2901  }
2902 
2903  if (! quirk)
2904  return -EINVAL;
2905 
2906  for (; quirk->subvendor; quirk++) {
2907  if (quirk->subvendor != ac97->subsystem_vendor)
2908  continue;
2909  if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
2910  quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
2911  if (quirk->codec_id && quirk->codec_id != ac97->id)
2912  continue;
2913  snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2914  result = apply_quirk(ac97, quirk->type);
2915  if (result < 0)
2916  snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2917  return result;
2918  }
2919  }
2920  return 0;
2921 }
2922 
2924 
2925 /*
2926  * INIT part
2927  */
2928 
2929 static int __init alsa_ac97_init(void)
2930 {
2931  return 0;
2932 }
2933 
2934 static void __exit alsa_ac97_exit(void)
2935 {
2936 }
2937 
2938 module_init(alsa_ac97_init)
2939 module_exit(alsa_ac97_exit)