u-boot/drivers/net/fsl-mc/dpio/dpio.c

/*
 * Copyright (C) 2013-2015 Freescale Semiconductor
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <fsl-mc/fsl_mc_sys.h>
#include <fsl-mc/fsl_mc_cmd.h>
#include <fsl-mc/fsl_dpio.h>

int dpio_open(struct fsl_mc_io *mc_io, int dpio_id, uint16_t *token)
{
	struct mc_command cmd = { 0 };
	int err;

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPIO_CMDID_OPEN,
					  MC_CMD_PRI_LOW, 0);
	DPIO_CMD_OPEN(cmd, dpio_id);

	/* send command to mc*/
	err = mc_send_command(mc_io, &cmd);
	if (err)
		return err;

	/* retrieve response parameters */
	*token = MC_CMD_HDR_READ_TOKEN(cmd.header);

	return 0;
}

int dpio_close(struct fsl_mc_io *mc_io, uint16_t token)
{
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPIO_CMDID_CLOSE,
					  MC_CMD_PRI_HIGH, token);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dpio_enable(struct fsl_mc_io *mc_io, uint16_t token)
{
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPIO_CMDID_ENABLE,
					  MC_CMD_PRI_LOW, token);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dpio_disable(struct fsl_mc_io *mc_io, uint16_t token)
{
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPIO_CMDID_DISABLE,
					  MC_CMD_PRI_LOW,
					  token);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dpio_reset(struct fsl_mc_io *mc_io, uint16_t token)
{
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPIO_CMDID_RESET,
					  MC_CMD_PRI_LOW, token);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dpio_get_attributes(struct fsl_mc_io *mc_io,
			uint16_t token,
			struct dpio_attr *attr)
{
	struct mc_command cmd = { 0 };
	int err;

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPIO_CMDID_GET_ATTR,
					  MC_CMD_PRI_LOW,
					  token);

	/* send command to mc*/
	err = mc_send_command(mc_io, &cmd);
	if (err)
		return err;

	/* retrieve response parameters */
	DPIO_RSP_GET_ATTR(cmd, attr);

	return 0;
}