/* exynos_drm.h

 *

 * Copyright (c) 2011 Samsung Electronics Co., Ltd.

 * Authors:

 *	Inki Dae <inki.dae@samsung.com>

 *	Joonyoung Shim <jy0922.shim@samsung.com>

 *	Seung-Woo Kim <sw0312.kim@samsung.com>

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice (including the next

 * paragraph) shall be included in all copies or substantial portions of the

 * Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR

 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 * OTHER DEALINGS IN THE SOFTWARE.

 */

#ifndef _EXYNOS_DRM_H_

#define _EXYNOS_DRM_H_

#include "drm.h"

/**

 * User-desired buffer creation information structure.

 *

 * @size: user-desired memory allocation size.

 *	- this size value would be page-aligned internally.

 * @flags: user request for setting memory type or cache attributes.

 * @handle: returned a handle to created gem object.

 *	- this handle will be set by gem module of kernel side.

 */

struct drm_exynos_gem_create {

	uint64_t size;

	unsigned int flags;

	unsigned int handle;

};

/**

 * A structure to gem information.

 *

 * @handle: a handle to gem object created.

 * @flags: flag value including memory type and cache attribute and

 *	this value would be set by driver.

 * @size: size to memory region allocated by gem and this size would

 *	be set by driver.

 */

struct drm_exynos_gem_info {

	unsigned int handle;

	unsigned int flags;

	uint64_t size;

};

/**

 * A structure for user connection request of virtual display.

 *

 * @connection: indicate whether doing connection or not by user.

 * @extensions: if this value is 1 then the vidi driver would need additional

 *	128bytes edid data.

 * @edid: the edid data pointer from user side.

 */

struct drm_exynos_vidi_connection {

	unsigned int connection;

	unsigned int extensions;

	uint64_t edid;

};

/* memory type definitions. */

enum e_drm_exynos_gem_mem_type {

	/* Physically Continuous memory and used as default. */

	EXYNOS_BO_CONTIG	= 0 << 0,

	/* Physically Non-Continuous memory. */

	EXYNOS_BO_NONCONTIG	= 1 << 0,

	/* non-cachable mapping and used as default. */

	EXYNOS_BO_NONCACHABLE	= 0 << 1,

	/* cachable mapping. */

	EXYNOS_BO_CACHABLE	= 1 << 1,

	/* write-combine mapping. */

	EXYNOS_BO_WC		= 1 << 2,

	EXYNOS_BO_MASK		= EXYNOS_BO_NONCONTIG | EXYNOS_BO_CACHABLE |

					EXYNOS_BO_WC

};

struct drm_exynos_g2d_get_ver {

	__u32	major;

	__u32	minor;

};

struct drm_exynos_g2d_cmd {

	__u32	offset;

	__u32	data;

};

enum drm_exynos_g2d_buf_type {

	G2D_BUF_USERPTR = 1 << 31,

};

enum drm_exynos_g2d_event_type {

	G2D_EVENT_NOT,

	G2D_EVENT_NONSTOP,

	G2D_EVENT_STOP,		/* not yet */

};

struct drm_exynos_g2d_userptr {

	unsigned long userptr;

	unsigned long size;

};

struct drm_exynos_g2d_set_cmdlist {

	__u64					cmd;

	__u64					cmd_buf;

	__u32					cmd_nr;

	__u32					cmd_buf_nr;

	/* for g2d event */

	__u64					event_type;

	__u64					user_data;

};

struct drm_exynos_g2d_exec {

	__u64					async;

};

#define DRM_EXYNOS_GEM_CREATE		0x00

/* Reserved 0x04 ~ 0x05 for exynos specific gem ioctl */

#define DRM_EXYNOS_GEM_GET		0x04

#define DRM_EXYNOS_VIDI_CONNECTION	0x07

/* G2D */

#define DRM_EXYNOS_G2D_GET_VER		0x20

#define DRM_EXYNOS_G2D_SET_CMDLIST	0x21

#define DRM_EXYNOS_G2D_EXEC		0x22

#define DRM_IOCTL_EXYNOS_GEM_CREATE		DRM_IOWR(DRM_COMMAND_BASE + \

		DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)

#define DRM_IOCTL_EXYNOS_GEM_GET	DRM_IOWR(DRM_COMMAND_BASE + \

		DRM_EXYNOS_GEM_GET,	struct drm_exynos_gem_info)

#define DRM_IOCTL_EXYNOS_VIDI_CONNECTION	DRM_IOWR(DRM_COMMAND_BASE + \

		DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection)

#define DRM_IOCTL_EXYNOS_G2D_GET_VER		DRM_IOWR(DRM_COMMAND_BASE + \

		DRM_EXYNOS_G2D_GET_VER, struct drm_exynos_g2d_get_ver)

#define DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST	DRM_IOWR(DRM_COMMAND_BASE + \

		DRM_EXYNOS_G2D_SET_CMDLIST, struct drm_exynos_g2d_set_cmdlist)

#define DRM_IOCTL_EXYNOS_G2D_EXEC		DRM_IOWR(DRM_COMMAND_BASE + \

		DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec)

/* EXYNOS specific events */

#define DRM_EXYNOS_G2D_EVENT		0x80000000

struct drm_exynos_g2d_event {

	struct drm_event	base;

	__u64				user_data;

	__u32				tv_sec;

	__u32				tv_usec;

	__u32				cmdlist_no;

	__u32				reserved;

};

#endif