/*

 * Copyright (C) 2012 Samsung Electronics Co., Ltd.

 *

 * 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

 * THE AUTHORS OR COPYRIGHT HOLDERS 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.

 *

 * Authors:

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

 */

#ifndef EXYNOS_DRMIF_H_

#define EXYNOS_DRMIF_H_

#include <xf86drm.h>

#include <stdint.h>

#include "exynos_drm.h"

#if defined(__cplusplus)

extern "C" {

#endif

struct exynos_device {

	int fd;

};

/*

 * Exynos Buffer Object structure.

 *

 * @dev: exynos device object allocated.

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

 * @flags: indicate memory allocation and cache attribute types.

 * @size: size to the buffer created.

 * @vaddr: user space address to a gem buffer mmapped.

 * @name: a gem global handle from flink request.

 */

struct exynos_bo {

	struct exynos_device	*dev;

	uint32_t		handle;

	uint32_t		flags;

	size_t			size;

	void			*vaddr;

	uint32_t		name;

};

#define EXYNOS_EVENT_CONTEXT_VERSION 1

/*

 * Exynos Event Context structure.

 *

 * @base: base context (for core events).

 * @version: version info similar to the one in 'drmEventContext'.

 * @g2d_event_handler: handler for G2D events.

 */

struct exynos_event_context {

	drmEventContext base;

	int version;

	void (*g2d_event_handler)(int fd, unsigned int cmdlist_no,

							  unsigned int tv_sec, unsigned int tv_usec,

							  void *user_data);

};

/*

 * device related functions:

 */

struct exynos_device * exynos_device_create(int fd);

void exynos_device_destroy(struct exynos_device *dev);

/*

 * buffer-object related functions:

 */

struct exynos_bo * exynos_bo_create(struct exynos_device *dev,

		size_t size, uint32_t flags);

int exynos_bo_get_info(struct exynos_device *dev, uint32_t handle,

			size_t *size, uint32_t *flags);

void exynos_bo_destroy(struct exynos_bo *bo);

struct exynos_bo * exynos_bo_from_name(struct exynos_device *dev, uint32_t name);

int exynos_bo_get_name(struct exynos_bo *bo, uint32_t *name);

uint32_t exynos_bo_handle(struct exynos_bo *bo);

void * exynos_bo_map(struct exynos_bo *bo);

int exynos_prime_handle_to_fd(struct exynos_device *dev, uint32_t handle,

					int *fd);

int exynos_prime_fd_to_handle(struct exynos_device *dev, int fd,

					uint32_t *handle);

/*

 * Virtual Display related functions:

 */

int exynos_vidi_connection(struct exynos_device *dev, uint32_t connect,

				uint32_t ext, void *edid);

/*

 * event handling related functions:

 */

int exynos_handle_event(struct exynos_device *dev,

				struct exynos_event_context *ctx);

#if defined(__cplusplus)

}

#endif

#endif /* EXYNOS_DRMIF_H_ */