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ak4xxx-adda.h
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1 #ifndef __SOUND_AK4XXX_ADDA_H
2 #define __SOUND_AK4XXX_ADDA_H
3 
4 /*
5  * ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4381
6  * AD and DA converters
7  *
8  * Copyright (c) 2000 Jaroslav Kysela <[email protected]>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23  *
24  */
25 
26 #ifndef AK4XXX_MAX_CHIPS
27 #define AK4XXX_MAX_CHIPS 4
28 #endif
29 
30 struct snd_akm4xxx;
31 
33  void (*lock)(struct snd_akm4xxx *ak, int chip);
34  void (*unlock)(struct snd_akm4xxx *ak, int chip);
35  void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg,
36  unsigned char val);
37  void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
38 };
39 
40 #define AK4XXX_IMAGE_SIZE (AK4XXX_MAX_CHIPS * 16) /* 64 bytes */
41 
42 /* DAC label and channels */
44  char *name; /* mixer volume name */
45  unsigned int num_channels;
46  char *switch_name; /* mixer switch*/
47 };
48 
49 /* ADC labels and channels */
51  char *name; /* capture gain volume label */
52  char *switch_name; /* capture switch */
53  unsigned int num_channels;
54  char *selector_name; /* capture source select label */
55  const char **input_names; /* capture source names (NULL terminated) */
56 };
57 
58 struct snd_akm4xxx {
59  struct snd_card *card;
60  unsigned int num_adcs; /* AK4524 or AK4528 ADCs */
61  unsigned int num_dacs; /* AK4524 or AK4528 DACs */
62  unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */
63  unsigned char volumes[AK4XXX_IMAGE_SIZE]; /* saved volume values */
64  unsigned long private_value[AK4XXX_MAX_CHIPS]; /* helper for driver */
65  void *private_data[AK4XXX_MAX_CHIPS]; /* helper for driver */
66  /* template should fill the following fields */
67  unsigned int idx_offset; /* control index offset */
68  enum {
72  } type;
73 
74  /* (array) information of combined codecs */
77 
79  unsigned int num_chips;
80  unsigned int total_regs;
81  const char *name;
82 };
83 
84 void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
85  unsigned char val);
86 void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
87 void snd_akm4xxx_init(struct snd_akm4xxx *ak);
89 
90 #define snd_akm4xxx_get(ak,chip,reg) \
91  (ak)->images[(chip) * 16 + (reg)]
92 #define snd_akm4xxx_set(ak,chip,reg,val) \
93  ((ak)->images[(chip) * 16 + (reg)] = (val))
94 #define snd_akm4xxx_get_vol(ak,chip,reg) \
95  (ak)->volumes[(chip) * 16 + (reg)]
96 #define snd_akm4xxx_set_vol(ak,chip,reg,val) \
97  ((ak)->volumes[(chip) * 16 + (reg)] = (val))
98 
99 #endif /* __SOUND_AK4XXX_ADDA_H */