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/*
* Copyright 2019 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "audio_codec.h"
#include "console.h"
#include "host_command.h"
#define CPRINTS(format, args...) cprints(CC_AUDIO_CODEC, format, ##args)
static uint8_t i2s_rx_enabled;
static enum ec_status i2s_rx_enable(struct host_cmd_handler_args *args)
{
if (i2s_rx_enabled)
return EC_RES_BUSY;
if (audio_codec_i2s_rx_enable() != EC_SUCCESS)
return EC_RES_ERROR;
i2s_rx_enabled = 1;
return EC_RES_SUCCESS;
}
static enum ec_status i2s_rx_disable(struct host_cmd_handler_args *args)
{
if (!i2s_rx_enabled)
return EC_RES_BUSY;
if (audio_codec_i2s_rx_disable() != EC_SUCCESS)
return EC_RES_ERROR;
i2s_rx_enabled = 0;
return EC_RES_SUCCESS;
}
static enum ec_status
i2s_rx_set_sample_depth(struct host_cmd_handler_args *args)
{
const struct ec_param_ec_codec_i2s_rx *p = args->params;
const uint8_t depth = p->set_sample_depth_param.depth;
if (i2s_rx_enabled)
return EC_RES_BUSY;
if (depth >= EC_CODEC_I2S_RX_SAMPLE_DEPTH_COUNT)
return EC_RES_INVALID_PARAM;
if (audio_codec_i2s_rx_set_sample_depth(depth) != EC_SUCCESS)
return EC_RES_ERROR;
return EC_RES_SUCCESS;
}
static enum ec_status i2s_rx_set_daifmt(struct host_cmd_handler_args *args)
{
const struct ec_param_ec_codec_i2s_rx *p = args->params;
const uint8_t daifmt = p->set_daifmt_param.daifmt;
if (i2s_rx_enabled)
return EC_RES_BUSY;
if (daifmt >= EC_CODEC_I2S_RX_DAIFMT_COUNT)
return EC_RES_INVALID_PARAM;
if (audio_codec_i2s_rx_set_daifmt(daifmt) != EC_SUCCESS)
return EC_RES_ERROR;
return EC_RES_SUCCESS;
}
static enum ec_status i2s_rx_set_bclk(struct host_cmd_handler_args *args)
{
const struct ec_param_ec_codec_i2s_rx *p = args->params;
if (i2s_rx_enabled)
return EC_RES_BUSY;
if (audio_codec_i2s_rx_set_bclk(p->set_bclk_param.bclk) != EC_SUCCESS)
return EC_RES_ERROR;
return EC_RES_SUCCESS;
}
static enum ec_status i2s_rx_reset(struct host_cmd_handler_args *args)
{
if (audio_codec_i2s_rx_disable() != EC_SUCCESS)
return EC_RES_ERROR;
i2s_rx_enabled = 0;
return EC_RES_SUCCESS;
}
static enum ec_status (*sub_cmds[])(struct host_cmd_handler_args *) = {
[EC_CODEC_I2S_RX_ENABLE] = i2s_rx_enable,
[EC_CODEC_I2S_RX_DISABLE] = i2s_rx_disable,
[EC_CODEC_I2S_RX_SET_SAMPLE_DEPTH] = i2s_rx_set_sample_depth,
[EC_CODEC_I2S_RX_SET_DAIFMT] = i2s_rx_set_daifmt,
[EC_CODEC_I2S_RX_SET_BCLK] = i2s_rx_set_bclk,
[EC_CODEC_I2S_RX_RESET] = i2s_rx_reset,
};
#ifdef DEBUG_AUDIO_CODEC
static char *strcmd[] = {
[EC_CODEC_I2S_RX_ENABLE] = "EC_CODEC_I2S_RX_ENABLE",
[EC_CODEC_I2S_RX_DISABLE] = "EC_CODEC_I2S_RX_DISABLE",
[EC_CODEC_I2S_RX_SET_SAMPLE_DEPTH] = "EC_CODEC_I2S_RX_SET_SAMPLE_DEPTH",
[EC_CODEC_I2S_RX_SET_DAIFMT] = "EC_CODEC_I2S_RX_SET_DAIFMT",
[EC_CODEC_I2S_RX_SET_BCLK] = "EC_CODEC_I2S_RX_SET_BCLK",
[EC_CODEC_I2S_RX_RESET] = "EC_CODEC_I2S_RESET",
};
BUILD_ASSERT(ARRAY_SIZE(sub_cmds) == ARRAY_SIZE(strcmd));
#endif
static enum ec_status i2s_rx_host_command(struct host_cmd_handler_args *args)
{
const struct ec_param_ec_codec_i2s_rx *p = args->params;
#ifdef DEBUG_AUDIO_CODEC
CPRINTS("I2S RX subcommand: %s", strcmd[p->cmd]);
#endif
if (p->cmd < EC_CODEC_I2S_RX_SUBCMD_COUNT)
return sub_cmds[p->cmd](args);
return EC_RES_INVALID_PARAM;
}
DECLARE_HOST_COMMAND(EC_CMD_EC_CODEC_I2S_RX, i2s_rx_host_command,
EC_VER_MASK(0));
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