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ASoC: cros_ec_codec: refactor I2S RX

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Refactor by the following items:
- reformat copyright declaration
- use more specific name "i2s rx"
- use verbose symbol names to separate namespaces
- make some short functions inline
- remove unused TDM-related code

Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Acked-By: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20191014180059.02.I43373b9a66dbb70196b3f216b3aa86111c410836@changeid
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Tzung-Bi Shih
2019-10-14 18:20:14 +08:00
committed by Mark Brown
parent 036beb0e85
commit 727f1c71c7
3 changed files with 255 additions and 377 deletions
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118
include/linux/platform_data/cros_ec_commands.h
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@@ -4466,92 +4466,74 @@ enum mkbp_cec_event {
/*****************************************************************************/
/* Commands for I2S recording on audio codec. */
/* Commands for I2S RX on audio codec. */
#define EC_CMD_CODEC_I2S 0x00BC
#define EC_WOV_I2S_SAMPLE_RATE 48000
#define EC_CMD_EC_CODEC_I2S_RX 0x00BC
enum ec_codec_i2s_subcmd {
EC_CODEC_SET_SAMPLE_DEPTH = 0x0,
EC_CODEC_SET_GAIN = 0x1,
EC_CODEC_GET_GAIN = 0x2,
EC_CODEC_I2S_ENABLE = 0x3,
EC_CODEC_I2S_SET_CONFIG = 0x4,
EC_CODEC_I2S_SET_TDM_CONFIG = 0x5,
EC_CODEC_I2S_SET_BCLK = 0x6,
EC_CODEC_I2S_SUBCMD_COUNT = 0x7,
enum ec_codec_i2s_rx_subcmd {
EC_CODEC_I2S_RX_ENABLE = 0x0,
EC_CODEC_I2S_RX_DISABLE = 0x1,
EC_CODEC_I2S_RX_SET_GAIN = 0x2,
EC_CODEC_I2S_RX_GET_GAIN = 0x3,
EC_CODEC_I2S_RX_SET_SAMPLE_DEPTH = 0x4,
EC_CODEC_I2S_RX_SET_DAIFMT = 0x5,
EC_CODEC_I2S_RX_SET_BCLK = 0x6,
EC_CODEC_I2S_RX_SUBCMD_COUNT,
};
enum ec_sample_depth_value {
EC_CODEC_SAMPLE_DEPTH_16 = 0,
EC_CODEC_SAMPLE_DEPTH_24 = 1,
enum ec_codec_i2s_rx_sample_depth {
EC_CODEC_I2S_RX_SAMPLE_DEPTH_16 = 0x0,
EC_CODEC_I2S_RX_SAMPLE_DEPTH_24 = 0x1,
EC_CODEC_I2S_RX_SAMPLE_DEPTH_COUNT,
};
enum ec_i2s_config {
EC_DAI_FMT_I2S = 0,
EC_DAI_FMT_RIGHT_J = 1,
EC_DAI_FMT_LEFT_J = 2,
EC_DAI_FMT_PCM_A = 3,
EC_DAI_FMT_PCM_B = 4,
EC_DAI_FMT_PCM_TDM = 5,
enum ec_codec_i2s_rx_daifmt {
EC_CODEC_I2S_RX_DAIFMT_I2S = 0x0,
EC_CODEC_I2S_RX_DAIFMT_RIGHT_J = 0x1,
EC_CODEC_I2S_RX_DAIFMT_LEFT_J = 0x2,
EC_CODEC_I2S_RX_DAIFMT_COUNT,
};
/*
* For subcommand EC_CODEC_GET_GAIN.
*/
struct __ec_align1 ec_codec_i2s_gain {
struct __ec_align1 ec_param_ec_codec_i2s_rx_set_sample_depth {
uint8_t depth;
uint8_t reserved[3];
};
struct __ec_align1 ec_param_ec_codec_i2s_rx_set_gain {
uint8_t left;
uint8_t right;
uint8_t reserved[2];
};
struct __ec_todo_unpacked ec_param_codec_i2s_tdm {
int16_t ch0_delay; /* 0 to 496 */
int16_t ch1_delay; /* -1 to 496 */
uint8_t adjacent_to_ch0;
uint8_t adjacent_to_ch1;
struct __ec_align1 ec_param_ec_codec_i2s_rx_set_daifmt {
uint8_t daifmt;
uint8_t reserved[3];
};
struct __ec_todo_packed ec_param_codec_i2s {
/* enum ec_codec_i2s_subcmd */
uint8_t cmd;
struct __ec_align4 ec_param_ec_codec_i2s_rx_set_bclk {
uint32_t bclk;
};
struct __ec_align4 ec_param_ec_codec_i2s_rx {
uint8_t cmd; /* enum ec_codec_i2s_rx_subcmd */
uint8_t reserved[3];
union {
/*
* EC_CODEC_SET_SAMPLE_DEPTH
* Value should be one of ec_sample_depth_value.
*/
uint8_t depth;
/*
* EC_CODEC_SET_GAIN
* Value should be 0~43 for both channels.
*/
struct ec_codec_i2s_gain gain;
/*
* EC_CODEC_I2S_ENABLE
* 1 to enable, 0 to disable.
*/
uint8_t i2s_enable;
/*
* EC_CODEC_I2S_SET_CONFIG
* Value should be one of ec_i2s_config.
*/
uint8_t i2s_config;
/*
* EC_CODEC_I2S_SET_TDM_CONFIG
* Value should be one of ec_i2s_config.
*/
struct ec_param_codec_i2s_tdm tdm_param;
/*
* EC_CODEC_I2S_SET_BCLK
*/
uint32_t bclk;
struct ec_param_ec_codec_i2s_rx_set_sample_depth
set_sample_depth_param;
struct ec_param_ec_codec_i2s_rx_set_gain
set_gain_param;
struct ec_param_ec_codec_i2s_rx_set_daifmt
set_daifmt_param;
struct ec_param_ec_codec_i2s_rx_set_bclk
set_bclk_param;
};
};
struct __ec_align1 ec_response_ec_codec_i2s_rx_get_gain {
uint8_t left;
uint8_t right;
};
/*****************************************************************************/
/* System commands */