1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/*
* Greybus audio driver
* Copyright 2015 Google Inc.
* Copyright 2015 Linaro Ltd.
*
* Released under the GPLv2 only.
*/
#ifndef __LINUX_GBAUDIO_H
#define __LINUX_GBAUDIO_H
#ifdef __KERNEL__
#include <sound/soc.h>
#include "greybus.h"
#include "greybus_protocols.h"
#define NAME_SIZE 32
enum {
APB1_PCM = 0,
APB2_PCM,
NUM_CODEC_DAIS,
};
enum gbcodec_reg_index {
GBCODEC_CTL_REG,
GBCODEC_MUTE_REG,
GBCODEC_PB_LVOL_REG,
GBCODEC_PB_RVOL_REG,
GBCODEC_CAP_LVOL_REG,
GBCODEC_CAP_RVOL_REG,
GBCODEC_APB1_MUX_REG,
GBCODEC_APB2_MUX_REG,
GBCODEC_REG_COUNT
};
/* bit 0-SPK, 1-HP, 2-DAC,
* 4-MIC, 5-HSMIC, 6-MIC2
*/
#define GBCODEC_CTL_REG_DEFAULT 0x00
/* bit 0,1 - APB1-PB-L/R
* bit 2,3 - APB2-PB-L/R
* bit 4,5 - APB1-Cap-L/R
* bit 6,7 - APB2-Cap-L/R
*/
#define GBCODEC_MUTE_REG_DEFAULT 0x00
/* 0-127 steps */
#define GBCODEC_PB_VOL_REG_DEFAULT 0x00
#define GBCODEC_CAP_VOL_REG_DEFAULT 0x00
/* bit 0,1,2 - PB stereo, left, right
* bit 8,9,10 - Cap stereo, left, right
*/
#define GBCODEC_APB1_MUX_REG_DEFAULT 0x00
#define GBCODEC_APB2_MUX_REG_DEFAULT 0x00
static const u8 gbcodec_reg_defaults[GBCODEC_REG_COUNT] = {
GBCODEC_CTL_REG_DEFAULT,
GBCODEC_MUTE_REG_DEFAULT,
GBCODEC_PB_VOL_REG_DEFAULT,
GBCODEC_PB_VOL_REG_DEFAULT,
GBCODEC_CAP_VOL_REG_DEFAULT,
GBCODEC_CAP_VOL_REG_DEFAULT,
GBCODEC_APB1_MUX_REG_DEFAULT,
GBCODEC_APB2_MUX_REG_DEFAULT,
};
struct gbaudio_codec_info {
struct snd_soc_codec *codec;
bool usable;
u8 reg[GBCODEC_REG_COUNT];
int registered;
int num_kcontrols;
int num_dapm_widgets;
int num_dapm_routes;
struct snd_kcontrol_new *kctls;
struct snd_soc_dapm_widget *widgets;
struct snd_soc_dapm_route *routes;
struct mutex lock;
};
extern int gb_audio_gb_get_topology(struct gb_connection *connection,
struct gb_audio_topology **topology);
extern int gb_audio_gb_get_control(struct gb_connection *connection,
uint8_t control_id, uint8_t index,
struct gb_audio_ctl_elem_value *value);
extern int gb_audio_gb_set_control(struct gb_connection *connection,
uint8_t control_id, uint8_t index,
struct gb_audio_ctl_elem_value *value);
extern int gb_audio_gb_enable_widget(struct gb_connection *connection,
uint8_t widget_id);
extern int gb_audio_gb_disable_widget(struct gb_connection *connection,
uint8_t widget_id);
extern int gb_audio_gb_get_pcm(struct gb_connection *connection,
uint16_t data_cport, uint32_t *format,
uint32_t *rate, uint8_t *channels,
uint8_t *sig_bits);
extern int gb_audio_gb_set_pcm(struct gb_connection *connection,
uint16_t data_cport, uint32_t format,
uint32_t rate, uint8_t channels,
uint8_t sig_bits);
extern int gb_audio_gb_set_tx_data_size(struct gb_connection *connection,
uint16_t data_cport, uint16_t size);
extern int gb_audio_gb_get_tx_delay(struct gb_connection *connection,
uint16_t data_cport, uint32_t *delay);
extern int gb_audio_gb_activate_tx(struct gb_connection *connection,
uint16_t data_cport);
extern int gb_audio_gb_deactivate_tx(struct gb_connection *connection,
uint16_t data_cport);
extern int gb_audio_gb_set_rx_data_size(struct gb_connection *connection,
uint16_t data_cport, uint16_t size);
extern int gb_audio_gb_get_rx_delay(struct gb_connection *connection,
uint16_t data_cport, uint32_t *delay);
extern int gb_audio_gb_activate_rx(struct gb_connection *connection,
uint16_t data_cport);
extern int gb_audio_gb_deactivate_rx(struct gb_connection *connection,
uint16_t data_cport);
#endif /* __KERNEL__ */
#endif /* __LINUX_GBAUDIO_H */
|
