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drivers: sdhc: Add SD response type masks

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Add SD response type masks, to allow drivers to mask out the
SPI or SD native mode response type based on the SD host controller
mode they use.

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
This commit is contained in:
Daniel DeGrasse 2022-05-06 18:02:41 -05:00 committed by David Leach
parent 7840b07121
commit e2fe582d62
3 changed files with 9 additions and 4 deletions
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4
drivers/sdhc/imx_usdhc.c
View file

@ -586,7 +586,7 @@ static int imx_usdhc_request(const struct device *dev, struct sdhc_command *cmd,
host_cmd.index = cmd->opcode;
host_cmd.argument = cmd->arg;
/* Mask out part of response type field used for SPI commands */
host_cmd.responseType = (cmd->response_type & 0xF);
host_cmd.responseType = (cmd->response_type & SDHC_NATIVE_RESPONSE_MASK);
transfer.command = &host_cmd;
if (cmd->timeout_ms == SDHC_TIMEOUT_FOREVER) {
request.command_timeout = K_FOREVER;
@ -711,8 +711,10 @@ static int imx_usdhc_request(const struct device *dev, struct sdhc_command *cmd,
k_mutex_unlock(&dev_data->access_mutex);
/* Record command response */
memcpy(cmd->response, host_cmd.response, sizeof(cmd->response));
if (data) {
/* Record number of bytes xfered */
data->bytes_xfered = dev_data->transfer_handle.transferredWords;
}
return ret;
}

2
drivers/sdhc/sdhc_spi.c
View file

@ -231,7 +231,7 @@ static int sdhc_spi_response_get(const struct device *dev, struct sdhc_command *
}
/* else IDLE_STATE bit is set, which is not an error, card is just resetting */
}
switch ((cmd->response_type & 0xF0)) {
switch ((cmd->response_type & SDHC_SPI_RESPONSE_TYPE_MASK)) {
case SD_SPI_RSP_TYPE_R1:
/* R1 response - one byte*/
break;

3
include/zephyr/drivers/sdhc.h
View file

@ -48,6 +48,9 @@ struct sdhc_command {
int timeout_ms; /*!< Command timeout in milliseconds */
};
#define SDHC_NATIVE_RESPONSE_MASK 0xF
#define SDHC_SPI_RESPONSE_TYPE_MASK 0xF0
/**
* @brief SD host controller data structure
*