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/* Copyright 2013-2016 Freescale Semiconductor Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * Neither the name of the above-listed copyright holders nor the
 * names of any contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 *
 *
 * ALTERNATIVELY, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") as published by the Free Software
 * Foundation, either version 2 of that License or (at your option) any
 * later version.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef _FSL_DPBP_CMD_H
#define _FSL_DPBP_CMD_H

/* DPBP Version */
#define DPBP_VER_MAJOR				2
#define DPBP_VER_MINOR				2

/* Command IDs */
#define DPBP_CMDID_CLOSE				0x800
#define DPBP_CMDID_OPEN					0x804
#define DPBP_CMDID_CREATE				0x904
#define DPBP_CMDID_DESTROY				0x900

#define DPBP_CMDID_ENABLE				0x002
#define DPBP_CMDID_DISABLE				0x003
#define DPBP_CMDID_GET_ATTR				0x004
#define DPBP_CMDID_RESET				0x005
#define DPBP_CMDID_IS_ENABLED				0x006

#define DPBP_CMDID_SET_IRQ				0x010
#define DPBP_CMDID_GET_IRQ				0x011
#define DPBP_CMDID_SET_IRQ_ENABLE			0x012
#define DPBP_CMDID_GET_IRQ_ENABLE			0x013
#define DPBP_CMDID_SET_IRQ_MASK				0x014
#define DPBP_CMDID_GET_IRQ_MASK				0x015
#define DPBP_CMDID_GET_IRQ_STATUS			0x016
#define DPBP_CMDID_CLEAR_IRQ_STATUS			0x017

#define DPBP_CMDID_SET_NOTIFICATIONS		0x01b0
#define DPBP_CMDID_GET_NOTIFICATIONS		0x01b1

struct dpbp_cmd_open {
	__le32 dpbp_id;
};

#define DPBP_ENABLE			0x1

struct dpbp_rsp_is_enabled {
	u8 enabled;
};

struct dpbp_cmd_set_irq {
	/* cmd word 0 */
	u8 irq_index;
	u8 pad[3];
	__le32 irq_val;
	/* cmd word 1 */
	__le64 irq_addr;
	/* cmd word 2 */
	__le32 irq_num;
};

struct dpbp_cmd_get_irq {
	__le32 pad;
	u8 irq_index;
};

struct dpbp_rsp_get_irq {
	/* response word 0 */
	__le32 irq_val;
	__le32 pad;
	/* response word 1 */
	__le64 irq_addr;
	/* response word 2 */
	__le32 irq_num;
	__le32 type;
};

struct dpbp_cmd_set_irq_enable {
	u8 enable;
	u8 pad[3];
	u8 irq_index;
};

struct dpbp_cmd_get_irq_enable {
	__le32 pad;
	u8 irq_index;
};

struct dpbp_rsp_get_irq_enable {
	u8 enabled;
};

struct dpbp_cmd_set_irq_mask {
	__le32 mask;
	u8 irq_index;
};

struct dpbp_cmd_get_irq_mask {
	__le32 pad;
	u8 irq_index;
};

struct dpbp_rsp_get_irq_mask {
	__le32 mask;
};

struct dpbp_cmd_get_irq_status {
	__le32 status;
	u8 irq_index;
};

struct dpbp_rsp_get_irq_status {
	__le32 status;
};

struct dpbp_cmd_clear_irq_status {
	__le32 status;
	u8 irq_index;
};

struct dpbp_rsp_get_attributes {
	/* response word 0 */
	__le16 pad;
	__le16 bpid;
	__le32 id;
	/* response word 1 */
	__le16 version_major;
	__le16 version_minor;
};

struct dpbp_cmd_set_notifications {
	/* cmd word 0 */
	__le32 depletion_entry;
	__le32 depletion_exit;
	/* cmd word 1 */
	__le32 surplus_entry;
	__le32 surplus_exit;
	/* cmd word 2 */
	__le16 options;
	__le16 pad[3];
	/* cmd word 3 */
	__le64 message_ctx;
	/* cmd word 4 */
	__le64 message_iova;
};

struct dpbp_rsp_get_notifications {
	/* response word 0 */
	__le32 depletion_entry;
	__le32 depletion_exit;
	/* response word 1 */
	__le32 surplus_entry;
	__le32 surplus_exit;
	/* response word 2 */
	__le16 options;
	__le16 pad[3];
	/* response word 3 */
	__le64 message_ctx;
	/* response word 4 */
	__le64 message_iova;
};

#endif /* _FSL_DPBP_CMD_H */