[ALSA] Remove sound/driver.h
[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@perex.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 <asm/io.h>
25 #include <linux/delay.h>
26 #include <linux/interrupt.h>
27 #include <linux/init.h>
28 #include <sound/core.h>
29 #include <sound/control.h>
30 #include <sound/tlv.h>
31 #include <sound/ak4xxx-adda.h>
32
33 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de>");
34 MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx  AD/DA converters");
35 MODULE_LICENSE("GPL");
36
37 /* write the given register and save the data to the cache */
38 void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
39                        unsigned char val)
40 {
41         ak->ops.lock(ak, chip);
42         ak->ops.write(ak, chip, reg, val);
43
44         /* save the data */
45         snd_akm4xxx_set(ak, chip, reg, val);
46         ak->ops.unlock(ak, chip);
47 }
48
49 EXPORT_SYMBOL(snd_akm4xxx_write);
50
51 /* reset procedure for AK4524 and AK4528 */
52 static void ak4524_reset(struct snd_akm4xxx *ak, int state)
53 {
54         unsigned int chip;
55         unsigned char reg, maxreg;
56
57         if (ak->type == SND_AK4528)
58                 maxreg = 0x06;
59         else
60                 maxreg = 0x08;
61         for (chip = 0; chip < ak->num_dacs/2; chip++) {
62                 snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
63                 if (state)
64                         continue;
65                 /* DAC volumes */
66                 for (reg = 0x04; reg < maxreg; reg++)
67                         snd_akm4xxx_write(ak, chip, reg,
68                                           snd_akm4xxx_get(ak, chip, reg));
69         }
70 }
71
72 /* reset procedure for AK4355 and AK4358 */
73 static void ak4355_reset(struct snd_akm4xxx *ak, int state)
74 {
75         unsigned char reg;
76
77         if (state) {
78                 snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
79                 return;
80         }
81         for (reg = 0x00; reg < 0x0b; reg++)
82                 if (reg != 0x01)
83                         snd_akm4xxx_write(ak, 0, reg,
84                                           snd_akm4xxx_get(ak, 0, reg));
85         snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */
86 }
87
88 /* reset procedure for AK4381 */
89 static void ak4381_reset(struct snd_akm4xxx *ak, int state)
90 {
91         unsigned int chip;
92         unsigned char reg;
93
94         for (chip = 0; chip < ak->num_dacs/2; chip++) {
95                 snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
96                 if (state)
97                         continue;
98                 for (reg = 0x01; reg < 0x05; reg++)
99                         snd_akm4xxx_write(ak, chip, reg,
100                                           snd_akm4xxx_get(ak, chip, reg));
101         }
102 }
103
104 /*
105  * reset the AKM codecs
106  * @state: 1 = reset codec, 0 = restore the registers
107  *
108  * assert the reset operation and restores the register values to the chips.
109  */
110 void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state)
111 {
112         switch (ak->type) {
113         case SND_AK4524:
114         case SND_AK4528:
115                 ak4524_reset(ak, state);
116                 break;
117         case SND_AK4529:
118                 /* FIXME: needed for ak4529? */
119                 break;
120         case SND_AK4355:
121         case SND_AK4358:
122                 ak4355_reset(ak, state);
123                 break;
124         case SND_AK4381:
125                 ak4381_reset(ak, state);
126                 break;
127         default:
128                 break;
129         }
130 }
131
132 EXPORT_SYMBOL(snd_akm4xxx_reset);
133
134
135 /*
136  * Volume conversion table for non-linear volumes
137  * from -63.5dB (mute) to 0dB step 0.5dB
138  *
139  * Used for AK4524 input/ouput attenuation, AK4528, and
140  * AK5365 input attenuation
141  */
142 static const unsigned char vol_cvt_datt[128] = {
143         0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04,
144         0x04, 0x04, 0x04, 0x05, 0x05, 0x05, 0x06, 0x06,
145         0x06, 0x07, 0x07, 0x08, 0x08, 0x08, 0x09, 0x0a,
146         0x0a, 0x0b, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x0f,
147         0x10, 0x10, 0x11, 0x12, 0x12, 0x13, 0x13, 0x14,
148         0x15, 0x16, 0x17, 0x17, 0x18, 0x19, 0x1a, 0x1c,
149         0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x23,
150         0x24, 0x25, 0x26, 0x28, 0x29, 0x2a, 0x2b, 0x2d,
151         0x2e, 0x30, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
152         0x37, 0x38, 0x39, 0x3b, 0x3c, 0x3e, 0x3f, 0x40,
153         0x41, 0x42, 0x43, 0x44, 0x46, 0x47, 0x48, 0x4a,
154         0x4b, 0x4d, 0x4e, 0x50, 0x51, 0x52, 0x53, 0x54,
155         0x55, 0x56, 0x58, 0x59, 0x5b, 0x5c, 0x5e, 0x5f,
156         0x60, 0x61, 0x62, 0x64, 0x65, 0x66, 0x67, 0x69,
157         0x6a, 0x6c, 0x6d, 0x6f, 0x70, 0x71, 0x72, 0x73,
158         0x75, 0x76, 0x77, 0x79, 0x7a, 0x7c, 0x7d, 0x7f,
159 };
160
161 /*
162  * dB tables
163  */
164 static const DECLARE_TLV_DB_SCALE(db_scale_vol_datt, -6350, 50, 1);
165 static const DECLARE_TLV_DB_SCALE(db_scale_8bit, -12750, 50, 1);
166 static const DECLARE_TLV_DB_SCALE(db_scale_7bit, -6350, 50, 1);
167 static const DECLARE_TLV_DB_LINEAR(db_scale_linear, TLV_DB_GAIN_MUTE, 0);
168
169 /*
170  * initialize all the ak4xxx chips
171  */
172 void snd_akm4xxx_init(struct snd_akm4xxx *ak)
173 {
174         static const unsigned char inits_ak4524[] = {
175                 0x00, 0x07, /* 0: all power up */
176                 0x01, 0x00, /* 1: ADC/DAC reset */
177                 0x02, 0x60, /* 2: 24bit I2S */
178                 0x03, 0x19, /* 3: deemphasis off */
179                 0x01, 0x03, /* 1: ADC/DAC enable */
180                 0x04, 0x00, /* 4: ADC left muted */
181                 0x05, 0x00, /* 5: ADC right muted */
182                 0x06, 0x00, /* 6: DAC left muted */
183                 0x07, 0x00, /* 7: DAC right muted */
184                 0xff, 0xff
185         };
186         static const unsigned char inits_ak4528[] = {
187                 0x00, 0x07, /* 0: all power up */
188                 0x01, 0x00, /* 1: ADC/DAC reset */
189                 0x02, 0x60, /* 2: 24bit I2S */
190                 0x03, 0x0d, /* 3: deemphasis off, turn LR highpass filters on */
191                 0x01, 0x03, /* 1: ADC/DAC enable */
192                 0x04, 0x00, /* 4: ADC left muted */
193                 0x05, 0x00, /* 5: ADC right muted */
194                 0xff, 0xff
195         };
196         static const unsigned char inits_ak4529[] = {
197                 0x09, 0x01, /* 9: ATS=0, RSTN=1 */
198                 0x0a, 0x3f, /* A: all power up, no zero/overflow detection */
199                 0x00, 0x0c, /* 0: TDM=0, 24bit I2S, SMUTE=0 */
200                 0x01, 0x00, /* 1: ACKS=0, ADC, loop off */
201                 0x02, 0xff, /* 2: LOUT1 muted */
202                 0x03, 0xff, /* 3: ROUT1 muted */
203                 0x04, 0xff, /* 4: LOUT2 muted */
204                 0x05, 0xff, /* 5: ROUT2 muted */
205                 0x06, 0xff, /* 6: LOUT3 muted */
206                 0x07, 0xff, /* 7: ROUT3 muted */
207                 0x0b, 0xff, /* B: LOUT4 muted */
208                 0x0c, 0xff, /* C: ROUT4 muted */
209                 0x08, 0x55, /* 8: deemphasis all off */
210                 0xff, 0xff
211         };
212         static const unsigned char inits_ak4355[] = {
213                 0x01, 0x02, /* 1: reset and soft-mute */
214                 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
215                              * disable DZF, sharp roll-off, RSTN#=0 */
216                 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
217                 // 0x02, 0x2e, /* quad speed */
218                 0x03, 0x01, /* 3: de-emphasis off */
219                 0x04, 0x00, /* 4: LOUT1 volume muted */
220                 0x05, 0x00, /* 5: ROUT1 volume muted */
221                 0x06, 0x00, /* 6: LOUT2 volume muted */
222                 0x07, 0x00, /* 7: ROUT2 volume muted */
223                 0x08, 0x00, /* 8: LOUT3 volume muted */
224                 0x09, 0x00, /* 9: ROUT3 volume muted */
225                 0x0a, 0x00, /* a: DATT speed=0, ignore DZF */
226                 0x01, 0x01, /* 1: un-reset, unmute */
227                 0xff, 0xff
228         };
229         static const unsigned char inits_ak4358[] = {
230                 0x01, 0x02, /* 1: reset and soft-mute */
231                 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
232                              * disable DZF, sharp roll-off, RSTN#=0 */
233                 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
234                 // 0x02, 0x2e, /* quad speed */
235                 0x03, 0x01, /* 3: de-emphasis off */
236                 0x04, 0x00, /* 4: LOUT1 volume muted */
237                 0x05, 0x00, /* 5: ROUT1 volume muted */
238                 0x06, 0x00, /* 6: LOUT2 volume muted */
239                 0x07, 0x00, /* 7: ROUT2 volume muted */
240                 0x08, 0x00, /* 8: LOUT3 volume muted */
241                 0x09, 0x00, /* 9: ROUT3 volume muted */
242                 0x0b, 0x00, /* b: LOUT4 volume muted */
243                 0x0c, 0x00, /* c: ROUT4 volume muted */
244                 0x0a, 0x00, /* a: DATT speed=0, ignore DZF */
245                 0x01, 0x01, /* 1: un-reset, unmute */
246                 0xff, 0xff
247         };
248         static const unsigned char inits_ak4381[] = {
249                 0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */
250                 0x01, 0x02, /* 1: de-emphasis off, normal speed,
251                              * sharp roll-off, DZF off */
252                 // 0x01, 0x12, /* quad speed */
253                 0x02, 0x00, /* 2: DZF disabled */
254                 0x03, 0x00, /* 3: LATT 0 */
255                 0x04, 0x00, /* 4: RATT 0 */
256                 0x00, 0x0f, /* 0: power-up, un-reset */
257                 0xff, 0xff
258         };
259
260         int chip, num_chips;
261         const unsigned char *ptr, *inits;
262         unsigned char reg, data;
263
264         memset(ak->images, 0, sizeof(ak->images));
265         memset(ak->volumes, 0, sizeof(ak->volumes));
266
267         switch (ak->type) {
268         case SND_AK4524:
269                 inits = inits_ak4524;
270                 num_chips = ak->num_dacs / 2;
271                 break;
272         case SND_AK4528:
273                 inits = inits_ak4528;
274                 num_chips = ak->num_dacs / 2;
275                 break;
276         case SND_AK4529:
277                 inits = inits_ak4529;
278                 num_chips = 1;
279                 break;
280         case SND_AK4355:
281                 inits = inits_ak4355;
282                 num_chips = 1;
283                 break;
284         case SND_AK4358:
285                 inits = inits_ak4358;
286                 num_chips = 1;
287                 break;
288         case SND_AK4381:
289                 inits = inits_ak4381;
290                 num_chips = ak->num_dacs / 2;
291                 break;
292         case SND_AK5365:
293                 /* FIXME: any init sequence? */
294                 return;
295         case NON_AKM:
296                 /* fake value for non-akm codecs using akm infrastructure
297                  * (e.g. of ice1724) - certainly FIXME
298                  */
299                 return;
300         default:
301                 snd_BUG();
302                 return;
303         }
304
305         for (chip = 0; chip < num_chips; chip++) {
306                 ptr = inits;
307                 while (*ptr != 0xff) {
308                         reg = *ptr++;
309                         data = *ptr++;
310                         snd_akm4xxx_write(ak, chip, reg, data);
311                 }
312         }
313 }
314
315 EXPORT_SYMBOL(snd_akm4xxx_init);
316
317 /*
318  * Mixer callbacks
319  */
320 #define AK_IPGA                         (1<<20) /* including IPGA */
321 #define AK_VOL_CVT                      (1<<21) /* need dB conversion */
322 #define AK_NEEDSMSB                     (1<<22) /* need MSB update bit */
323 #define AK_INVERT                       (1<<23) /* data is inverted */
324 #define AK_GET_CHIP(val)                (((val) >> 8) & 0xff)
325 #define AK_GET_ADDR(val)                ((val) & 0xff)
326 #define AK_GET_SHIFT(val)               (((val) >> 16) & 0x0f)
327 #define AK_GET_VOL_CVT(val)             (((val) >> 21) & 1)
328 #define AK_GET_IPGA(val)                (((val) >> 20) & 1)
329 #define AK_GET_NEEDSMSB(val)            (((val) >> 22) & 1)
330 #define AK_GET_INVERT(val)              (((val) >> 23) & 1)
331 #define AK_GET_MASK(val)                (((val) >> 24) & 0xff)
332 #define AK_COMPOSE(chip,addr,shift,mask) \
333         (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24))
334
335 static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol,
336                                    struct snd_ctl_elem_info *uinfo)
337 {
338         unsigned int mask = AK_GET_MASK(kcontrol->private_value);
339
340         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
341         uinfo->count = 1;
342         uinfo->value.integer.min = 0;
343         uinfo->value.integer.max = mask;
344         return 0;
345 }
346
347 static int snd_akm4xxx_volume_get(struct snd_kcontrol *kcontrol,
348                                   struct snd_ctl_elem_value *ucontrol)
349 {
350         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
351         int chip = AK_GET_CHIP(kcontrol->private_value);
352         int addr = AK_GET_ADDR(kcontrol->private_value);
353
354         ucontrol->value.integer.value[0] = snd_akm4xxx_get_vol(ak, chip, addr);
355         return 0;
356 }
357
358 static int put_ak_reg(struct snd_kcontrol *kcontrol, int addr,
359                       unsigned char nval)
360 {
361         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
362         unsigned int mask = AK_GET_MASK(kcontrol->private_value);
363         int chip = AK_GET_CHIP(kcontrol->private_value);
364
365         if (snd_akm4xxx_get_vol(ak, chip, addr) == nval)
366                 return 0;
367
368         snd_akm4xxx_set_vol(ak, chip, addr, nval);
369         if (AK_GET_VOL_CVT(kcontrol->private_value) && nval < 128)
370                 nval = vol_cvt_datt[nval];
371         if (AK_GET_IPGA(kcontrol->private_value) && nval >= 128)
372                 nval++; /* need to correct + 1 since both 127 and 128 are 0dB */
373         if (AK_GET_INVERT(kcontrol->private_value))
374                 nval = mask - nval;
375         if (AK_GET_NEEDSMSB(kcontrol->private_value))
376                 nval |= 0x80;
377         snd_akm4xxx_write(ak, chip, addr, nval);
378         return 1;
379 }
380
381 static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol,
382                                   struct snd_ctl_elem_value *ucontrol)
383 {
384         unsigned int mask = AK_GET_MASK(kcontrol->private_value);
385         unsigned int val = ucontrol->value.integer.value[0];
386         if (val > mask)
387                 return -EINVAL;
388         return put_ak_reg(kcontrol, AK_GET_ADDR(kcontrol->private_value), val);
389 }
390
391 static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol,
392                                           struct snd_ctl_elem_info *uinfo)
393 {
394         unsigned int mask = AK_GET_MASK(kcontrol->private_value);
395
396         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
397         uinfo->count = 2;
398         uinfo->value.integer.min = 0;
399         uinfo->value.integer.max = mask;
400         return 0;
401 }
402
403 static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol,
404                                          struct snd_ctl_elem_value *ucontrol)
405 {
406         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
407         int chip = AK_GET_CHIP(kcontrol->private_value);
408         int addr = AK_GET_ADDR(kcontrol->private_value);
409
410         ucontrol->value.integer.value[0] = snd_akm4xxx_get_vol(ak, chip, addr);
411         ucontrol->value.integer.value[1] = snd_akm4xxx_get_vol(ak, chip, addr+1);
412         return 0;
413 }
414
415 static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol,
416                                          struct snd_ctl_elem_value *ucontrol)
417 {
418         int addr = AK_GET_ADDR(kcontrol->private_value);
419         unsigned int mask = AK_GET_MASK(kcontrol->private_value);
420         unsigned int val[2];
421         int change;
422
423         val[0] = ucontrol->value.integer.value[0];
424         val[1] = ucontrol->value.integer.value[1];
425         if (val[0] > mask || val[1] > mask)
426                 return -EINVAL;
427         change = put_ak_reg(kcontrol, addr, val[0]);
428         change |= put_ak_reg(kcontrol, addr + 1, val[1]);
429         return change;
430 }
431
432 static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol,
433                                        struct snd_ctl_elem_info *uinfo)
434 {
435         static char *texts[4] = {
436                 "44.1kHz", "Off", "48kHz", "32kHz",
437         };
438         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
439         uinfo->count = 1;
440         uinfo->value.enumerated.items = 4;
441         if (uinfo->value.enumerated.item >= 4)
442                 uinfo->value.enumerated.item = 3;
443         strcpy(uinfo->value.enumerated.name,
444                texts[uinfo->value.enumerated.item]);
445         return 0;
446 }
447
448 static int snd_akm4xxx_deemphasis_get(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         ucontrol->value.enumerated.item[0] =
456                 (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
457         return 0;
458 }
459
460 static int snd_akm4xxx_deemphasis_put(struct snd_kcontrol *kcontrol,
461                                       struct snd_ctl_elem_value *ucontrol)
462 {
463         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
464         int chip = AK_GET_CHIP(kcontrol->private_value);
465         int addr = AK_GET_ADDR(kcontrol->private_value);
466         int shift = AK_GET_SHIFT(kcontrol->private_value);
467         unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
468         int change;
469         
470         nval = (nval << shift) |
471                 (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift));
472         change = snd_akm4xxx_get(ak, chip, addr) != nval;
473         if (change)
474                 snd_akm4xxx_write(ak, chip, addr, nval);
475         return change;
476 }
477
478 #define ak4xxx_switch_info      snd_ctl_boolean_mono_info
479
480 static int ak4xxx_switch_get(struct snd_kcontrol *kcontrol,
481                              struct snd_ctl_elem_value *ucontrol)
482 {
483         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
484         int chip = AK_GET_CHIP(kcontrol->private_value);
485         int addr = AK_GET_ADDR(kcontrol->private_value);
486         int shift = AK_GET_SHIFT(kcontrol->private_value);
487         int invert = AK_GET_INVERT(kcontrol->private_value);
488         /* we observe the (1<<shift) bit only */
489         unsigned char val = snd_akm4xxx_get(ak, chip, addr) & (1<<shift);
490         if (invert)
491                 val = ! val;
492         ucontrol->value.integer.value[0] = (val & (1<<shift)) != 0;
493         return 0;
494 }
495
496 static int ak4xxx_switch_put(struct snd_kcontrol *kcontrol,
497                              struct snd_ctl_elem_value *ucontrol)
498 {
499         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
500         int chip = AK_GET_CHIP(kcontrol->private_value);
501         int addr = AK_GET_ADDR(kcontrol->private_value);
502         int shift = AK_GET_SHIFT(kcontrol->private_value);
503         int invert = AK_GET_INVERT(kcontrol->private_value);
504         long flag = ucontrol->value.integer.value[0];
505         unsigned char val, oval;
506         int change;
507
508         if (invert)
509                 flag = ! flag;
510         oval = snd_akm4xxx_get(ak, chip, addr);
511         if (flag)
512                 val = oval | (1<<shift);
513         else
514                 val = oval & ~(1<<shift);
515         change = (oval != val);
516         if (change)
517                 snd_akm4xxx_write(ak, chip, addr, val);
518         return change;
519 }
520
521 #define AK5365_NUM_INPUTS 5
522
523 static int ak4xxx_capture_num_inputs(struct snd_akm4xxx *ak, int mixer_ch)
524 {
525         int num_names;
526         const char **input_names;
527
528         input_names = ak->adc_info[mixer_ch].input_names;
529         num_names = 0;
530         while (num_names < AK5365_NUM_INPUTS && input_names[num_names])
531                 ++num_names;
532         return num_names;
533 }
534
535 static int ak4xxx_capture_source_info(struct snd_kcontrol *kcontrol,
536                                       struct snd_ctl_elem_info *uinfo)
537 {
538         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
539         int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);
540         const char **input_names;
541         int  num_names, idx;
542
543         num_names = ak4xxx_capture_num_inputs(ak, mixer_ch);
544         if (!num_names)
545                 return -EINVAL;
546         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
547         uinfo->count = 1;
548         uinfo->value.enumerated.items = num_names;
549         idx = uinfo->value.enumerated.item;
550         if (idx >= num_names)
551                 return -EINVAL;
552         input_names = ak->adc_info[mixer_ch].input_names;
553         strncpy(uinfo->value.enumerated.name, input_names[idx],
554                 sizeof(uinfo->value.enumerated.name));
555         return 0;
556 }
557
558 static int ak4xxx_capture_source_get(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 val;
566
567         val = snd_akm4xxx_get(ak, chip, addr) & mask;
568         ucontrol->value.enumerated.item[0] = val;
569         return 0;
570 }
571
572 static int ak4xxx_capture_source_put(struct snd_kcontrol *kcontrol,
573                                      struct snd_ctl_elem_value *ucontrol)
574 {
575         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
576         int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);
577         int chip = AK_GET_CHIP(kcontrol->private_value);
578         int addr = AK_GET_ADDR(kcontrol->private_value);
579         int mask = AK_GET_MASK(kcontrol->private_value);
580         unsigned char oval, val;
581         int num_names = ak4xxx_capture_num_inputs(ak, mixer_ch);
582
583         if (ucontrol->value.enumerated.item[0] >= num_names)
584                 return -EINVAL;
585
586         oval = snd_akm4xxx_get(ak, chip, addr);
587         val = oval & ~mask;
588         val |= ucontrol->value.enumerated.item[0] & mask;
589         if (val != oval) {
590                 snd_akm4xxx_write(ak, chip, addr, val);
591                 return 1;
592         }
593         return 0;
594 }
595
596 /*
597  * build AK4xxx controls
598  */
599
600 static int build_dac_controls(struct snd_akm4xxx *ak)
601 {
602         int idx, err, mixer_ch, num_stereo;
603         struct snd_kcontrol_new knew;
604
605         mixer_ch = 0;
606         for (idx = 0; idx < ak->num_dacs; ) {
607                 /* mute control for Revolution 7.1 - AK4381 */
608                 if (ak->type == SND_AK4381 
609                                 &&  ak->dac_info[mixer_ch].switch_name) {
610                         memset(&knew, 0, sizeof(knew));
611                         knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
612                         knew.count = 1;
613                         knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
614                         knew.name = ak->dac_info[mixer_ch].switch_name;
615                         knew.info = ak4xxx_switch_info;
616                         knew.get = ak4xxx_switch_get;
617                         knew.put = ak4xxx_switch_put;
618                         knew.access = 0;
619                         /* register 1, bit 0 (SMUTE): 0 = normal operation,
620                            1 = mute */
621                         knew.private_value =
622                                 AK_COMPOSE(idx/2, 1, 0, 0) | AK_INVERT;
623                         err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
624                         if (err < 0)
625                                 return err;
626                 }
627                 memset(&knew, 0, sizeof(knew));
628                 if (! ak->dac_info || ! ak->dac_info[mixer_ch].name) {
629                         knew.name = "DAC Volume";
630                         knew.index = mixer_ch + ak->idx_offset * 2;
631                         num_stereo = 1;
632                 } else {
633                         knew.name = ak->dac_info[mixer_ch].name;
634                         num_stereo = ak->dac_info[mixer_ch].num_channels;
635                 }
636                 knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
637                 knew.count = 1;
638                 knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
639                         SNDRV_CTL_ELEM_ACCESS_TLV_READ;
640                 if (num_stereo == 2) {
641                         knew.info = snd_akm4xxx_stereo_volume_info;
642                         knew.get = snd_akm4xxx_stereo_volume_get;
643                         knew.put = snd_akm4xxx_stereo_volume_put;
644                 } else {
645                         knew.info = snd_akm4xxx_volume_info;
646                         knew.get = snd_akm4xxx_volume_get;
647                         knew.put = snd_akm4xxx_volume_put;
648                 }
649                 switch (ak->type) {
650                 case SND_AK4524:
651                         /* register 6 & 7 */
652                         knew.private_value =
653                                 AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127) |
654                                 AK_VOL_CVT;
655                         knew.tlv.p = db_scale_vol_datt;
656                         break;
657                 case SND_AK4528:
658                         /* register 4 & 5 */
659                         knew.private_value =
660                                 AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127) |
661                                 AK_VOL_CVT;
662                         knew.tlv.p = db_scale_vol_datt;
663                         break;
664                 case SND_AK4529: {
665                         /* registers 2-7 and b,c */
666                         int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb;
667                         knew.private_value =
668                                 AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
669                         knew.tlv.p = db_scale_8bit;
670                         break;
671                 }
672                 case SND_AK4355:
673                         /* register 4-9, chip #0 only */
674                         knew.private_value = AK_COMPOSE(0, idx + 4, 0, 255);
675                         knew.tlv.p = db_scale_8bit;
676                         break;
677                 case SND_AK4358: {
678                         /* register 4-9 and 11-12, chip #0 only */
679                         int  addr = idx < 6 ? idx + 4 : idx + 5;
680                         knew.private_value =
681                                 AK_COMPOSE(0, addr, 0, 127) | AK_NEEDSMSB;
682                         knew.tlv.p = db_scale_7bit;
683                         break;
684                 }
685                 case SND_AK4381:
686                         /* register 3 & 4 */
687                         knew.private_value =
688                                 AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255);
689                         knew.tlv.p = db_scale_linear;
690                         break;
691                 default:
692                         return -EINVAL;
693                 }
694
695                 err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
696                 if (err < 0)
697                         return err;
698
699                 idx += num_stereo;
700                 mixer_ch++;
701         }
702         return 0;
703 }
704
705 static int build_adc_controls(struct snd_akm4xxx *ak)
706 {
707         int idx, err, mixer_ch, num_stereo;
708         struct snd_kcontrol_new knew;
709
710         mixer_ch = 0;
711         for (idx = 0; idx < ak->num_adcs;) {
712                 memset(&knew, 0, sizeof(knew));
713                 if (! ak->adc_info || ! ak->adc_info[mixer_ch].name) {
714                         knew.name = "ADC Volume";
715                         knew.index = mixer_ch + ak->idx_offset * 2;
716                         num_stereo = 1;
717                 } else {
718                         knew.name = ak->adc_info[mixer_ch].name;
719                         num_stereo = ak->adc_info[mixer_ch].num_channels;
720                 }
721                 knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
722                 knew.count = 1;
723                 knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
724                         SNDRV_CTL_ELEM_ACCESS_TLV_READ;
725                 if (num_stereo == 2) {
726                         knew.info = snd_akm4xxx_stereo_volume_info;
727                         knew.get = snd_akm4xxx_stereo_volume_get;
728                         knew.put = snd_akm4xxx_stereo_volume_put;
729                 } else {
730                         knew.info = snd_akm4xxx_volume_info;
731                         knew.get = snd_akm4xxx_volume_get;
732                         knew.put = snd_akm4xxx_volume_put;
733                 }
734                 /* register 4 & 5 */
735                 if (ak->type == SND_AK5365)
736                         knew.private_value =
737                                 AK_COMPOSE(idx/2, (idx%2) + 4, 0, 151) |
738                                 AK_VOL_CVT | AK_IPGA;
739                 else
740                         knew.private_value =
741                                 AK_COMPOSE(idx/2, (idx%2) + 4, 0, 163) |
742                                 AK_VOL_CVT | AK_IPGA;
743                 knew.tlv.p = db_scale_vol_datt;
744                 err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
745                 if (err < 0)
746                         return err;
747
748                 if (ak->type == SND_AK5365 && (idx % 2) == 0) {
749                         if (! ak->adc_info || 
750                             ! ak->adc_info[mixer_ch].switch_name) {
751                                 knew.name = "Capture Switch";
752                                 knew.index = mixer_ch + ak->idx_offset * 2;
753                         } else
754                                 knew.name = ak->adc_info[mixer_ch].switch_name;
755                         knew.info = ak4xxx_switch_info;
756                         knew.get = ak4xxx_switch_get;
757                         knew.put = ak4xxx_switch_put;
758                         knew.access = 0;
759                         /* register 2, bit 0 (SMUTE): 0 = normal operation,
760                            1 = mute */
761                         knew.private_value =
762                                 AK_COMPOSE(idx/2, 2, 0, 0) | AK_INVERT;
763                         err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
764                         if (err < 0)
765                                 return err;
766
767                         memset(&knew, 0, sizeof(knew));
768                         knew.name = ak->adc_info[mixer_ch].selector_name;
769                         if (!knew.name) {
770                                 knew.name = "Capture Channel";
771                                 knew.index = mixer_ch + ak->idx_offset * 2;
772                         }
773
774                         knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
775                         knew.info = ak4xxx_capture_source_info;
776                         knew.get = ak4xxx_capture_source_get;
777                         knew.put = ak4xxx_capture_source_put;
778                         knew.access = 0;
779                         /* input selector control: reg. 1, bits 0-2.
780                          * mis-use 'shift' to pass mixer_ch */
781                         knew.private_value
782                                 = AK_COMPOSE(idx/2, 1, mixer_ch, 0x07);
783                         err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
784                         if (err < 0)
785                                 return err;
786                 }
787
788                 idx += num_stereo;
789                 mixer_ch++;
790         }
791         return 0;
792 }
793
794 static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs)
795 {
796         int idx, err;
797         struct snd_kcontrol_new knew;
798
799         for (idx = 0; idx < num_emphs; idx++) {
800                 memset(&knew, 0, sizeof(knew));
801                 knew.name = "Deemphasis";
802                 knew.index = idx + ak->idx_offset;
803                 knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
804                 knew.count = 1;
805                 knew.info = snd_akm4xxx_deemphasis_info;
806                 knew.get = snd_akm4xxx_deemphasis_get;
807                 knew.put = snd_akm4xxx_deemphasis_put;
808                 switch (ak->type) {
809                 case SND_AK4524:
810                 case SND_AK4528:
811                         /* register 3 */
812                         knew.private_value = AK_COMPOSE(idx, 3, 0, 0);
813                         break;
814                 case SND_AK4529: {
815                         int shift = idx == 3 ? 6 : (2 - idx) * 2;
816                         /* register 8 with shift */
817                         knew.private_value = AK_COMPOSE(0, 8, shift, 0);
818                         break;
819                 }
820                 case SND_AK4355:
821                 case SND_AK4358:
822                         knew.private_value = AK_COMPOSE(idx, 3, 0, 0);
823                         break;
824                 case SND_AK4381:
825                         knew.private_value = AK_COMPOSE(idx, 1, 1, 0);
826                         break;
827                 default:
828                         return -EINVAL;
829                 }
830                 err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
831                 if (err < 0)
832                         return err;
833         }
834         return 0;
835 }
836
837 int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
838 {
839         int err, num_emphs;
840
841         err = build_dac_controls(ak);
842         if (err < 0)
843                 return err;
844
845         err = build_adc_controls(ak);
846         if (err < 0)
847                 return err;
848
849         if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
850                 num_emphs = 1;
851         else
852                 num_emphs = ak->num_dacs / 2;
853         err = build_deemphasis(ak, num_emphs);
854         if (err < 0)
855                 return err;
856
857         return 0;
858 }
859         
860 EXPORT_SYMBOL(snd_akm4xxx_build_controls);
861
862 static int __init alsa_akm4xxx_module_init(void)
863 {
864         return 0;
865 }
866         
867 static void __exit alsa_akm4xxx_module_exit(void)
868 {
869 }
870         
871 module_init(alsa_akm4xxx_module_init)
872 module_exit(alsa_akm4xxx_module_exit)