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

/*
 * Freescale Layerscape MC I/O wrapper
 *
 * Copyright (C) 2013-2015 Freescale Semiconductor, Inc.
 * Author: German Rivera <German.Rivera@freescale.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
#include <fsl-mc/fsl_mc_sys.h>
#include <fsl-mc/fsl_mc_cmd.h>
#include <fsl-mc/fsl_dpbp.h>

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

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPBP_CMDID_OPEN,
					  MC_CMD_PRI_LOW, 0);
	DPBP_CMD_OPEN(cmd, dpbp_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 err;
}

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

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

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

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

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

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

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

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

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

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

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

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

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

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPBP_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 */
	DPBP_RSP_GET_ATTRIBUTES(cmd, attr);

	return 0;
}