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/*
* 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>
#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;
};
#endif /* __KERNEL__ */
#endif /* __LINUX_GBAUDIO_H */
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