xref: /openbmc/linux/include/sound/ak4xxx-adda.h (revision e58e871b)
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 <perex@perex.cz>
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 
32 struct snd_ak4xxx_ops {
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 */
43 struct snd_akm4xxx_dac_channel {
44 	char *name;		/* mixer volume name */
45 	unsigned int num_channels;
46 	char *switch_name;		/* mixer switch*/
47 };
48 
49 /* ADC labels and channels */
50 struct snd_akm4xxx_adc_channel {
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 {
69 		SND_AK4524, SND_AK4528, SND_AK4529,
70 		SND_AK4355, SND_AK4358, SND_AK4381,
71 		SND_AK5365, SND_AK4620,
72 	} type;
73 
74 	/* (array) information of combined codecs */
75 	const struct snd_akm4xxx_dac_channel *dac_info;
76 	const struct snd_akm4xxx_adc_channel *adc_info;
77 
78 	struct snd_ak4xxx_ops ops;
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);
88 int snd_akm4xxx_build_controls(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 */
100