[ALSA] Add even more 'const' to everything related to TLV
[linux-2.6.git] / sound / i2c / other / ak4xxx-adda.c
1 /*
2  *   ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4358 / AK4381
3  *   AD and DA converters
4  *
5  *      Copyright (c) 2000-2004 Jaroslav Kysela <perex@suse.cz>,
6  *                              Takashi Iwai <tiwai@suse.de>
7  *
8  *   This program is free software; you can redistribute it and/or modify
9  *   it under the terms of the GNU General Public License as published by
10  *   the Free Software Foundation; either version 2 of the License, or
11  *   (at your option) any later version.
12  *
13  *   This program is distributed in the hope that it will be useful,
14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *   GNU General Public License for more details.
17  *
18  *   You should have received a copy of the GNU General Public License
19  *   along with this program; if not, write to the Free Software
20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  *
22  */      
23
24 #include <sound/driver.h>
25 #include <asm/io.h>
26 #include <linux/delay.h>
27 #include <linux/interrupt.h>
28 #include <linux/init.h>
29 #include <sound/core.h>
30 #include <sound/control.h>
31 #include <sound/tlv.h>
32 #include <sound/ak4xxx-adda.h>
33
34 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Takashi Iwai <tiwai@suse.de>");
35 MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx  AD/DA converters");
36 MODULE_LICENSE("GPL");
37
38 /* write the given register and save the data to the cache */
39 void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
40                        unsigned char val)
41 {
42         ak->ops.lock(ak, chip);
43         ak->ops.write(ak, chip, reg, val);
44
45         /* save the data */
46         snd_akm4xxx_set(ak, chip, reg, val);
47         ak->ops.unlock(ak, chip);
48 }
49
50 EXPORT_SYMBOL(snd_akm4xxx_write);
51
52 /* reset procedure for AK4524 and AK4528 */
53 static void ak4524_reset(struct snd_akm4xxx *ak, int state)
54 {
55         unsigned int chip;
56         unsigned char reg, maxreg;
57
58         if (ak->type == SND_AK4528)
59                 maxreg = 0x06;
60         else
61                 maxreg = 0x08;
62         for (chip = 0; chip < ak->num_dacs/2; chip++) {
63                 snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
64                 if (state)
65                         continue;
66                 /* DAC volumes */
67                 for (reg = 0x04; reg < maxreg; reg++)
68                         snd_akm4xxx_write(ak, chip, reg,
69                                           snd_akm4xxx_get(ak, chip, reg));
70         }
71 }
72
73 /* reset procedure for AK4355 and AK4358 */
74 static void ak4355_reset(struct snd_akm4xxx *ak, int state)
75 {
76         unsigned char reg;
77
78         if (state) {
79                 snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
80                 return;
81         }
82         for (reg = 0x00; reg < 0x0b; reg++)
83                 if (reg != 0x01)
84                         snd_akm4xxx_write(ak, 0, reg,
85                                           snd_akm4xxx_get(ak, 0, reg));
86         snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */
87 }
88
89 /* reset procedure for AK4381 */
90 static void ak4381_reset(struct snd_akm4xxx *ak, int state)
91 {
92         unsigned int chip;
93         unsigned char reg;
94
95         for (chip = 0; chip < ak->num_dacs/2; chip++) {
96                 snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
97                 if (state)
98                         continue;
99                 for (reg = 0x01; reg < 0x05; reg++)
100                         snd_akm4xxx_write(ak, chip, reg,
101                                           snd_akm4xxx_get(ak, chip, reg));
102         }
103 }
104
105 /*
106  * reset the AKM codecs
107  * @state: 1 = reset codec, 0 = restore the registers
108  *
109  * assert the reset operation and restores the register values to the chips.
110  */
111 void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state)
112 {
113         switch (ak->type) {
114         case SND_AK4524:
115         case SND_AK4528:
116                 ak4524_reset(ak, state);
117                 break;
118         case SND_AK4529:
119                 /* FIXME: needed for ak4529? */
120                 break;
121         case SND_AK4355:
122         case SND_AK4358:
123                 ak4355_reset(ak, state);
124                 break;
125         case SND_AK4381:
126                 ak4381_reset(ak, state);
127                 break;
128         default:
129                 break;
130         }
131 }
132
133 EXPORT_SYMBOL(snd_akm4xxx_reset);
134
135
136 /*
137  * Volume conversion table for non-linear volumes
138  * from -63.5dB (mute) to 0dB step 0.5dB
139  *
140  * Used for AK4524 input/ouput attenuation, AK4528, and
141  * AK5365 input attenuation
142  */
143 static const unsigned char vol_cvt_datt[128] = {
144         0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04,
145         0x04, 0x04, 0x04, 0x05, 0x05, 0x05, 0x06, 0x06,
146         0x06, 0x07, 0x07, 0x08, 0x08, 0x08, 0x09, 0x0a,
147         0x0a, 0x0b, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x0f,
148         0x10, 0x10, 0x11, 0x12, 0x12, 0x13, 0x13, 0x14,
149         0x15, 0x16, 0x17, 0x17, 0x18, 0x19, 0x1a, 0x1c,
150         0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x23,
151         0x24, 0x25, 0x26, 0x28, 0x29, 0x2a, 0x2b, 0x2d,
152         0x2e, 0x30, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
153         0x37, 0x38, 0x39, 0x3b, 0x3c, 0x3e, 0x3f, 0x40,
154         0x41, 0x42, 0x43, 0x44, 0x46, 0x47, 0x48, 0x4a,
155         0x4b, 0x4d, 0x4e, 0x50, 0x51, 0x52, 0x53, 0x54,
156         0x55, 0x56, 0x58, 0x59, 0x5b, 0x5c, 0x5e, 0x5f,
157         0x60, 0x61, 0x62, 0x64, 0x65, 0x66, 0x67, 0x69,
158         0x6a, 0x6c, 0x6d, 0x6f, 0x70, 0x71, 0x72, 0x73,
159         0x75, 0x76, 0x77, 0x79, 0x7a, 0x7c, 0x7d, 0x7f,
160 };
161
162 /*
163  * dB tables
164  */
165 static const DECLARE_TLV_DB_SCALE(db_scale_vol_datt, -6350, 50, 1);
166 static const DECLARE_TLV_DB_SCALE(db_scale_8bit, -12750, 50, 1);
167 static const DECLARE_TLV_DB_SCALE(db_scale_7bit, -6350, 50, 1);
168 static const DECLARE_TLV_DB_LINEAR(db_scale_linear, TLV_DB_GAIN_MUTE, 0);
169
170 /*
171  * initialize all the ak4xxx chips
172  */
173 void snd_akm4xxx_init(struct snd_akm4xxx *ak)
174 {
175         static const unsigned char inits_ak4524[] = {
176                 0x00, 0x07, /* 0: all power up */
177                 0x01, 0x00, /* 1: ADC/DAC reset */
178                 0x02, 0x60, /* 2: 24bit I2S */
179                 0x03, 0x19, /* 3: deemphasis off */
180                 0x01, 0x03, /* 1: ADC/DAC enable */
181                 0x04, 0x00, /* 4: ADC left muted */
182                 0x05, 0x00, /* 5: ADC right muted */
183                 0x06, 0x00, /* 6: DAC left muted */
184                 0x07, 0x00, /* 7: DAC right muted */
185                 0xff, 0xff
186         };
187         static const unsigned char inits_ak4528[] = {
188                 0x00, 0x07, /* 0: all power up */
189                 0x01, 0x00, /* 1: ADC/DAC reset */
190                 0x02, 0x60, /* 2: 24bit I2S */
191                 0x03, 0x0d, /* 3: deemphasis off, turn LR highpass filters on */
192                 0x01, 0x03, /* 1: ADC/DAC enable */
193                 0x04, 0x00, /* 4: ADC left muted */
194                 0x05, 0x00, /* 5: ADC right muted */
195                 0xff, 0xff
196         };
197         static const unsigned char inits_ak4529[] = {
198                 0x09, 0x01, /* 9: ATS=0, RSTN=1 */
199                 0x0a, 0x3f, /* A: all power up, no zero/overflow detection */
200                 0x00, 0x0c, /* 0: TDM=0, 24bit I2S, SMUTE=0 */
201                 0x01, 0x00, /* 1: ACKS=0, ADC, loop off */
202                 0x02, 0xff, /* 2: LOUT1 muted */
203                 0x03, 0xff, /* 3: ROUT1 muted */
204                 0x04, 0xff, /* 4: LOUT2 muted */
205                 0x05, 0xff, /* 5: ROUT2 muted */
206                 0x06, 0xff, /* 6: LOUT3 muted */
207                 0x07, 0xff, /* 7: ROUT3 muted */
208                 0x0b, 0xff, /* B: LOUT4 muted */
209                 0x0c, 0xff, /* C: ROUT4 muted */
210                 0x08, 0x55, /* 8: deemphasis all off */
211                 0xff, 0xff
212         };
213         static const unsigned char inits_ak4355[] = {
214                 0x01, 0x02, /* 1: reset and soft-mute */
215                 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
216                              * disable DZF, sharp roll-off, RSTN#=0 */
217                 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
218                 // 0x02, 0x2e, /* quad speed */
219                 0x03, 0x01, /* 3: de-emphasis off */
220                 0x04, 0x00, /* 4: LOUT1 volume muted */
221                 0x05, 0x00, /* 5: ROUT1 volume muted */
222                 0x06, 0x00, /* 6: LOUT2 volume muted */
223                 0x07, 0x00, /* 7: ROUT2 volume muted */
224                 0x08, 0x00, /* 8: LOUT3 volume muted */
225                 0x09, 0x00, /* 9: ROUT3 volume muted */
226                 0x0a, 0x00, /* a: DATT speed=0, ignore DZF */
227                 0x01, 0x01, /* 1: un-reset, unmute */
228                 0xff, 0xff
229         };
230         static const unsigned char inits_ak4358[] = {
231                 0x01, 0x02, /* 1: reset and soft-mute */
232                 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
233                              * disable DZF, sharp roll-off, RSTN#=0 */
234                 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
235                 // 0x02, 0x2e, /* quad speed */
236                 0x03, 0x01, /* 3: de-emphasis off */
237                 0x04, 0x00, /* 4: LOUT1 volume muted */
238                 0x05, 0x00, /* 5: ROUT1 volume muted */
239                 0x06, 0x00, /* 6: LOUT2 volume muted */
240                 0x07, 0x00, /* 7: ROUT2 volume muted */
241                 0x08, 0x00, /* 8: LOUT3 volume muted */
242                 0x09, 0x00, /* 9: ROUT3 volume muted */
243                 0x0b, 0x00, /* b: LOUT4 volume muted */
244                 0x0c, 0x00, /* c: ROUT4 volume muted */
245                 0x0a, 0x00, /* a: DATT speed=0, ignore DZF */
246                 0x01, 0x01, /* 1: un-reset, unmute */
247                 0xff, 0xff
248         };
249         static const unsigned char inits_ak4381[] = {
250                 0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */
251                 0x01, 0x02, /* 1: de-emphasis off, normal speed,
252                              * sharp roll-off, DZF off */
253                 // 0x01, 0x12, /* quad speed */
254                 0x02, 0x00, /* 2: DZF disabled */
255                 0x03, 0x00, /* 3: LATT 0 */
256                 0x04, 0x00, /* 4: RATT 0 */
257                 0x00, 0x0f, /* 0: power-up, un-reset */
258                 0xff, 0xff
259         };
260
261         int chip, num_chips;
262         const unsigned char *ptr, *inits;
263         unsigned char reg, data;
264
265         memset(ak->images, 0, sizeof(ak->images));
266         memset(ak->volumes, 0, sizeof(ak->volumes));
267
268         switch (ak->type) {
269         case SND_AK4524:
270                 inits = inits_ak4524;
271                 num_chips = ak->num_dacs / 2;
272                 break;
273         case SND_AK4528:
274                 inits = inits_ak4528;
275                 num_chips = ak->num_dacs / 2;
276                 break;
277         case SND_AK4529:
278                 inits = inits_ak4529;
279                 num_chips = 1;
280                 break;
281         case SND_AK4355:
282                 inits = inits_ak4355;
283                 num_chips = 1;
284                 break;
285         case SND_AK4358:
286                 inits = inits_ak4358;
287                 num_chips = 1;
288                 break;
289         case SND_AK4381:
290                 inits = inits_ak4381;
291                 num_chips = ak->num_dacs / 2;
292                 break;
293         case SND_AK5365:
294                 /* FIXME: any init sequence? */
295                 return;
296         default:
297                 snd_BUG();
298                 return;
299         }
300
301         for (chip = 0; chip < num_chips; chip++) {
302                 ptr = inits;
303                 while (*ptr != 0xff) {
304                         reg = *ptr++;
305                         data = *ptr++;
306                         snd_akm4xxx_write(ak, chip, reg, data);
307                 }
308         }
309 }
310
311 EXPORT_SYMBOL(snd_akm4xxx_init);
312
313 /*
314  * Mixer callbacks
315  */
316 #define AK_IPGA                         (1<<20) /* including IPGA */
317 #define AK_VOL_CVT                      (1<<21) /* need dB conversion */
318 #define AK_NEEDSMSB                     (1<<22) /* need MSB update bit */
319 #define AK_INVERT                       (1<<23) /* data is inverted */
320 #define AK_GET_CHIP(val)                (((val) >> 8) & 0xff)
321 #define AK_GET_ADDR(val)                ((val) & 0xff)
322 #define AK_GET_SHIFT(val)               (((val) >> 16) & 0x0f)
323 #define AK_GET_VOL_CVT(val)             (((val) >> 21) & 1)
324 #define AK_GET_IPGA(val)                (((val) >> 20) & 1)
325 #define AK_GET_NEEDSMSB(val)            (((val) >> 22) & 1)
326 #define AK_GET_INVERT(val)              (((val) >> 23) & 1)
327 #define AK_GET_MASK(val)                (((val) >> 24) & 0xff)
328 #define AK_COMPOSE(chip,addr,shift,mask) \
329         (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24))
330
331 static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol,
332                                    struct snd_ctl_elem_info *uinfo)
333 {
334         unsigned int mask = AK_GET_MASK(kcontrol->private_value);
335
336         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
337         uinfo->count = 1;
338         uinfo->value.integer.min = 0;
339         uinfo->value.integer.max = mask;
340         return 0;
341 }
342
343 static int snd_akm4xxx_volume_get(struct snd_kcontrol *kcontrol,
344                                   struct snd_ctl_elem_value *ucontrol)
345 {
346         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
347         int chip = AK_GET_CHIP(kcontrol->private_value);
348         int addr = AK_GET_ADDR(kcontrol->private_value);
349
350         ucontrol->value.integer.value[0] = snd_akm4xxx_get_vol(ak, chip, addr);
351         return 0;
352 }
353
354 static int put_ak_reg(struct snd_kcontrol *kcontrol, int addr,
355                       unsigned char nval)
356 {
357         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
358         unsigned int mask = AK_GET_MASK(kcontrol->private_value);
359         int chip = AK_GET_CHIP(kcontrol->private_value);
360
361         if (snd_akm4xxx_get_vol(ak, chip, addr) == nval)
362                 return 0;
363
364         snd_akm4xxx_set_vol(ak, chip, addr, nval);
365         if (AK_GET_VOL_CVT(kcontrol->private_value) && nval < 128)
366                 nval = vol_cvt_datt[nval];
367         if (AK_GET_IPGA(kcontrol->private_value) && nval >= 128)
368                 nval++; /* need to correct + 1 since both 127 and 128 are 0dB */
369         if (AK_GET_INVERT(kcontrol->private_value))
370                 nval = mask - nval;
371         if (AK_GET_NEEDSMSB(kcontrol->private_value))
372                 nval |= 0x80;
373         snd_akm4xxx_write(ak, chip, addr, nval);
374         return 1;
375 }
376
377 static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol,
378                                   struct snd_ctl_elem_value *ucontrol)
379 {
380         return put_ak_reg(kcontrol, AK_GET_ADDR(kcontrol->private_value),
381                           ucontrol->value.integer.value[0]);
382 }
383
384 static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol,
385                                           struct snd_ctl_elem_info *uinfo)
386 {
387         unsigned int mask = AK_GET_MASK(kcontrol->private_value);
388
389         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
390         uinfo->count = 2;
391         uinfo->value.integer.min = 0;
392         uinfo->value.integer.max = mask;
393         return 0;
394 }
395
396 static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol,
397                                          struct snd_ctl_elem_value *ucontrol)
398 {
399         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
400         int chip = AK_GET_CHIP(kcontrol->private_value);
401         int addr = AK_GET_ADDR(kcontrol->private_value);
402
403         ucontrol->value.integer.value[0] = snd_akm4xxx_get_vol(ak, chip, addr);
404         ucontrol->value.integer.value[1] = snd_akm4xxx_get_vol(ak, chip, addr+1);
405         return 0;
406 }
407
408 static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol,
409                                          struct snd_ctl_elem_value *ucontrol)
410 {
411         int addr = AK_GET_ADDR(kcontrol->private_value);
412         int change;
413
414         change = put_ak_reg(kcontrol, addr, ucontrol->value.integer.value[0]);
415         change |= put_ak_reg(kcontrol, addr + 1,
416                              ucontrol->value.integer.value[1]);
417         return change;
418 }
419
420 static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol,
421                                        struct snd_ctl_elem_info *uinfo)
422 {
423         static char *texts[4] = {
424                 "44.1kHz", "Off", "48kHz", "32kHz",
425         };
426         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
427         uinfo->count = 1;
428         uinfo->value.enumerated.items = 4;
429         if (uinfo->value.enumerated.item >= 4)
430                 uinfo->value.enumerated.item = 3;
431         strcpy(uinfo->value.enumerated.name,
432                texts[uinfo->value.enumerated.item]);
433         return 0;
434 }
435
436 static int snd_akm4xxx_deemphasis_get(struct snd_kcontrol *kcontrol,
437                                       struct snd_ctl_elem_value *ucontrol)
438 {
439         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
440         int chip = AK_GET_CHIP(kcontrol->private_value);
441         int addr = AK_GET_ADDR(kcontrol->private_value);
442         int shift = AK_GET_SHIFT(kcontrol->private_value);
443         ucontrol->value.enumerated.item[0] =
444                 (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
445         return 0;
446 }
447
448 static int snd_akm4xxx_deemphasis_put(struct snd_kcontrol *kcontrol,
449                                       struct snd_ctl_elem_value *ucontrol)
450 {
451         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
452         int chip = AK_GET_CHIP(kcontrol->private_value);
453         int addr = AK_GET_ADDR(kcontrol->private_value);
454         int shift = AK_GET_SHIFT(kcontrol->private_value);
455         unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
456         int change;
457         
458         nval = (nval << shift) |
459                 (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift));
460         change = snd_akm4xxx_get(ak, chip, addr) != nval;
461         if (change)
462                 snd_akm4xxx_write(ak, chip, addr, nval);
463         return change;
464 }
465
466 static int ak4xxx_switch_info(struct snd_kcontrol *kcontrol,
467                               struct snd_ctl_elem_info *uinfo)
468 {
469         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
470         uinfo->count = 1;
471         uinfo->value.integer.min = 0;
472         uinfo->value.integer.max = 1;
473         return 0;
474 }
475
476 static int ak4xxx_switch_get(struct snd_kcontrol *kcontrol,
477                              struct snd_ctl_elem_value *ucontrol)
478 {
479         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
480         int chip = AK_GET_CHIP(kcontrol->private_value);
481         int addr = AK_GET_ADDR(kcontrol->private_value);
482         int shift = AK_GET_SHIFT(kcontrol->private_value);
483         int invert = AK_GET_INVERT(kcontrol->private_value);
484         unsigned char val = snd_akm4xxx_get(ak, chip, addr);
485
486         if (invert)
487                 val = ! val;
488         ucontrol->value.integer.value[0] = (val & (1<<shift)) != 0;
489         return 0;
490 }
491
492 static int ak4xxx_switch_put(struct snd_kcontrol *kcontrol,
493                              struct snd_ctl_elem_value *ucontrol)
494 {
495         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
496         int chip = AK_GET_CHIP(kcontrol->private_value);
497         int addr = AK_GET_ADDR(kcontrol->private_value);
498         int shift = AK_GET_SHIFT(kcontrol->private_value);
499         int invert = AK_GET_INVERT(kcontrol->private_value);
500         long flag = ucontrol->value.integer.value[0];
501         unsigned char val, oval;
502         int change;
503
504         if (invert)
505                 flag = ! flag;
506         oval = snd_akm4xxx_get(ak, chip, addr);
507         if (flag)
508                 val = oval | (1<<shift);
509         else
510                 val = oval & ~(1<<shift);
511         change = (oval != val);
512         if (change)
513                 snd_akm4xxx_write(ak, chip, addr, val);
514         return change;
515 }
516
517 #define AK5365_NUM_INPUTS 5
518
519 static int ak4xxx_capture_source_info(struct snd_kcontrol *kcontrol,
520                                       struct snd_ctl_elem_info *uinfo)
521 {
522         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
523         int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);
524         const char **input_names;
525         int  num_names, idx;
526
527         input_names = ak->adc_info[mixer_ch].input_names;
528
529         num_names = 0;
530         while (num_names < AK5365_NUM_INPUTS && input_names[num_names])
531                 ++num_names;
532         
533         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
534         uinfo->count = 1;
535         uinfo->value.enumerated.items = num_names;
536         idx = uinfo->value.enumerated.item;
537         if (idx >= num_names)
538                 return -EINVAL;
539         strncpy(uinfo->value.enumerated.name, input_names[idx],
540                 sizeof(uinfo->value.enumerated.name));
541         return 0;
542 }
543
544 static int ak4xxx_capture_source_get(struct snd_kcontrol *kcontrol,
545                                      struct snd_ctl_elem_value *ucontrol)
546 {
547         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
548         int chip = AK_GET_CHIP(kcontrol->private_value);
549         int addr = AK_GET_ADDR(kcontrol->private_value);
550         int mask = AK_GET_MASK(kcontrol->private_value);
551         unsigned char val;
552
553         val = snd_akm4xxx_get(ak, chip, addr) & mask;
554         ucontrol->value.enumerated.item[0] = val;
555         return 0;
556 }
557
558 static int ak4xxx_capture_source_put(struct snd_kcontrol *kcontrol,
559                                      struct snd_ctl_elem_value *ucontrol)
560 {
561         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
562         int chip = AK_GET_CHIP(kcontrol->private_value);
563         int addr = AK_GET_ADDR(kcontrol->private_value);
564         int mask = AK_GET_MASK(kcontrol->private_value);
565         unsigned char oval, val;
566
567         oval = snd_akm4xxx_get(ak, chip, addr);
568         val = oval & ~mask;
569         val |= ucontrol->value.enumerated.item[0] & mask;
570         if (val != oval) {
571                 snd_akm4xxx_write(ak, chip, addr, val);
572                 return 1;
573         }
574         return 0;
575 }
576
577 /*
578  * build AK4xxx controls
579  */
580
581 static int build_dac_controls(struct snd_akm4xxx *ak)
582 {
583         int idx, err, mixer_ch, num_stereo;
584         struct snd_kcontrol_new knew;
585
586         mixer_ch = 0;
587         for (idx = 0; idx < ak->num_dacs; ) {
588                 memset(&knew, 0, sizeof(knew));
589                 if (! ak->dac_info || ! ak->dac_info[mixer_ch].name) {
590                         knew.name = "DAC Volume";
591                         knew.index = mixer_ch + ak->idx_offset * 2;
592                         num_stereo = 1;
593                 } else {
594                         knew.name = ak->dac_info[mixer_ch].name;
595                         num_stereo = ak->dac_info[mixer_ch].num_channels;
596                 }
597                 knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
598                 knew.count = 1;
599                 knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
600                         SNDRV_CTL_ELEM_ACCESS_TLV_READ;
601                 if (num_stereo == 2) {
602                         knew.info = snd_akm4xxx_stereo_volume_info;
603                         knew.get = snd_akm4xxx_stereo_volume_get;
604                         knew.put = snd_akm4xxx_stereo_volume_put;
605                 } else {
606                         knew.info = snd_akm4xxx_volume_info;
607                         knew.get = snd_akm4xxx_volume_get;
608                         knew.put = snd_akm4xxx_volume_put;
609                 }
610                 switch (ak->type) {
611                 case SND_AK4524:
612                         /* register 6 & 7 */
613                         knew.private_value =
614                                 AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127) |
615                                 AK_VOL_CVT;
616                         knew.tlv.p = db_scale_vol_datt;
617                         break;
618                 case SND_AK4528:
619                         /* register 4 & 5 */
620                         knew.private_value =
621                                 AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127) |
622                                 AK_VOL_CVT;
623                         knew.tlv.p = db_scale_vol_datt;
624                         break;
625                 case SND_AK4529: {
626                         /* registers 2-7 and b,c */
627                         int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb;
628                         knew.private_value =
629                                 AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
630                         knew.tlv.p = db_scale_8bit;
631                         break;
632                 }
633                 case SND_AK4355:
634                         /* register 4-9, chip #0 only */
635                         knew.private_value = AK_COMPOSE(0, idx + 4, 0, 255);
636                         knew.tlv.p = db_scale_8bit;
637                         break;
638                 case SND_AK4358: {
639                         /* register 4-9 and 11-12, chip #0 only */
640                         int  addr = idx < 6 ? idx + 4 : idx + 5;
641                         knew.private_value =
642                                 AK_COMPOSE(0, addr, 0, 127) | AK_NEEDSMSB;
643                         knew.tlv.p = db_scale_7bit;
644                         break;
645                 }
646                 case SND_AK4381:
647                         /* register 3 & 4 */
648                         knew.private_value =
649                                 AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255);
650                         knew.tlv.p = db_scale_linear;
651                         break;
652                 default:
653                         return -EINVAL;
654                 }
655
656                 err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
657                 if (err < 0)
658                         return err;
659
660                 idx += num_stereo;
661                 mixer_ch++;
662         }
663         return 0;
664 }
665
666 static int build_adc_controls(struct snd_akm4xxx *ak)
667 {
668         int idx, err, mixer_ch, num_stereo;
669         struct snd_kcontrol_new knew;
670
671         mixer_ch = 0;
672         for (idx = 0; idx < ak->num_adcs;) {
673                 memset(&knew, 0, sizeof(knew));
674                 if (! ak->adc_info || ! ak->adc_info[mixer_ch].name) {
675                         knew.name = "ADC Volume";
676                         knew.index = mixer_ch + ak->idx_offset * 2;
677                         num_stereo = 1;
678                 } else {
679                         knew.name = ak->adc_info[mixer_ch].name;
680                         num_stereo = ak->adc_info[mixer_ch].num_channels;
681                 }
682                 knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
683                 knew.count = 1;
684                 knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
685                         SNDRV_CTL_ELEM_ACCESS_TLV_READ;
686                 if (num_stereo == 2) {
687                         knew.info = snd_akm4xxx_stereo_volume_info;
688                         knew.get = snd_akm4xxx_stereo_volume_get;
689                         knew.put = snd_akm4xxx_stereo_volume_put;
690                 } else {
691                         knew.info = snd_akm4xxx_volume_info;
692                         knew.get = snd_akm4xxx_volume_get;
693                         knew.put = snd_akm4xxx_volume_put;
694                 }
695                 /* register 4 & 5 */
696                 if (ak->type == SND_AK5365)
697                         knew.private_value =
698                                 AK_COMPOSE(idx/2, (idx%2) + 4, 0, 151) |
699                                 AK_VOL_CVT | AK_IPGA;
700                 else
701                         knew.private_value =
702                                 AK_COMPOSE(idx/2, (idx%2) + 4, 0, 163) |
703                                 AK_VOL_CVT | AK_IPGA;
704                 knew.tlv.p = db_scale_vol_datt;
705                 err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
706                 if (err < 0)
707                         return err;
708
709                 if (ak->type == SND_AK5365 && (idx % 2) == 0) {
710                         if (! ak->adc_info || 
711                             ! ak->adc_info[mixer_ch].switch_name) {
712                                 knew.name = "Capture Switch";
713                                 knew.index = mixer_ch + ak->idx_offset * 2;
714                         } else
715                                 knew.name = ak->adc_info[mixer_ch].switch_name;
716                         knew.info = ak4xxx_switch_info;
717                         knew.get = ak4xxx_switch_get;
718                         knew.put = ak4xxx_switch_put;
719                         knew.access = 0;
720                         /* register 2, bit 0 (SMUTE): 0 = normal operation,
721                            1 = mute */
722                         knew.private_value =
723                                 AK_COMPOSE(idx/2, 2, 0, 0) | AK_INVERT;
724                         err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
725                         if (err < 0)
726                                 return err;
727
728                         memset(&knew, 0, sizeof(knew));
729                         knew.name = ak->adc_info[mixer_ch].selector_name;
730                         if (!knew.name) {
731                                 knew.name = "Capture Channel";
732                                 knew.index = mixer_ch + ak->idx_offset * 2;
733                         }
734
735                         knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
736                         knew.info = ak4xxx_capture_source_info;
737                         knew.get = ak4xxx_capture_source_get;
738                         knew.put = ak4xxx_capture_source_put;
739                         knew.access = 0;
740                         /* input selector control: reg. 1, bits 0-2.
741                          * mis-use 'shift' to pass mixer_ch */
742                         knew.private_value
743                                 = AK_COMPOSE(idx/2, 1, mixer_ch, 0x07);
744                         err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
745                         if (err < 0)
746                                 return err;
747                 }
748
749                 idx += num_stereo;
750                 mixer_ch++;
751         }
752         return 0;
753 }
754
755 static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs)
756 {
757         int idx, err;
758         struct snd_kcontrol_new knew;
759
760         for (idx = 0; idx < num_emphs; idx++) {
761                 memset(&knew, 0, sizeof(knew));
762                 knew.name = "Deemphasis";
763                 knew.index = idx + ak->idx_offset;
764                 knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
765                 knew.count = 1;
766                 knew.info = snd_akm4xxx_deemphasis_info;
767                 knew.get = snd_akm4xxx_deemphasis_get;
768                 knew.put = snd_akm4xxx_deemphasis_put;
769                 switch (ak->type) {
770                 case SND_AK4524:
771                 case SND_AK4528:
772                         /* register 3 */
773                         knew.private_value = AK_COMPOSE(idx, 3, 0, 0);
774                         break;
775                 case SND_AK4529: {
776                         int shift = idx == 3 ? 6 : (2 - idx) * 2;
777                         /* register 8 with shift */
778                         knew.private_value = AK_COMPOSE(0, 8, shift, 0);
779                         break;
780                 }
781                 case SND_AK4355:
782                 case SND_AK4358:
783                         knew.private_value = AK_COMPOSE(idx, 3, 0, 0);
784                         break;
785                 case SND_AK4381:
786                         knew.private_value = AK_COMPOSE(idx, 1, 1, 0);
787                         break;
788                 default:
789                         return -EINVAL;
790                 }
791                 err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
792                 if (err < 0)
793                         return err;
794         }
795         return 0;
796 }
797
798 int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
799 {
800         int err, num_emphs;
801
802         err = build_dac_controls(ak);
803         if (err < 0)
804                 return err;
805
806         err = build_adc_controls(ak);
807         if (err < 0)
808                 return err;
809
810         if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
811                 num_emphs = 1;
812         else
813                 num_emphs = ak->num_dacs / 2;
814         err = build_deemphasis(ak, num_emphs);
815         if (err < 0)
816                 return err;
817
818         return 0;
819 }
820         
821 EXPORT_SYMBOL(snd_akm4xxx_build_controls);
822
823 static int __init alsa_akm4xxx_module_init(void)
824 {
825         return 0;
826 }
827         
828 static void __exit alsa_akm4xxx_module_exit(void)
829 {
830 }
831         
832 module_init(alsa_akm4xxx_module_init)
833 module_exit(alsa_akm4xxx_module_exit)