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/* Copyright (c) 2014, Motorola Mobility, LLC.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef _FB_QUICKDRAW_OPS_H_
#define _FB_QUICKDRAW_OPS_H_
#include <linux/file.h>
#include <linux/rwsem.h>
#include <linux/types.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
#include <linux/kobject.h>
struct fb_quickdraw_buffer {
struct fb_quickdraw_buffer_data data;
struct file *file;
int mem_fd;
struct rw_semaphore rwsem;
struct list_head list;
struct work_struct delete_work;
struct kobject kobject;
};
struct fb_quickdraw_ops {
int (*prepare)(void *data, unsigned char panel_state);
int (*execute)(void *data, struct fb_quickdraw_buffer *buffer,
int x, int y);
int (*erase)(void *data, int x1, int y1, int x2, int y2);
int (*cleanup)(void *data);
int (*validate_buffer)(void *data,
struct fb_quickdraw_buffer_data *buffer_data);
struct fb_quickdraw_buffer *(*alloc_buffer)(void *data,
struct fb_quickdraw_buffer_data *buffer_data);
int (*delete_buffer)(void *data, struct fb_quickdraw_buffer *buffer);
void *data; /* arbitrary data passed back to user */
};
void fb_quickdraw_register_ops(struct fb_quickdraw_ops *ops);
struct fb_quickdraw_buffer *fb_quickdraw_alloc_buffer(
struct fb_quickdraw_buffer_data *data, size_t size);
int fb_quickdraw_get_buffer(struct fb_quickdraw_buffer *buffer);
int fb_quickdraw_put_buffer(struct fb_quickdraw_buffer *buffer);
int fb_quickdraw_lock_buffer_read(struct fb_quickdraw_buffer *buffer);
int fb_quickdraw_unlock_buffer_read(struct fb_quickdraw_buffer *buffer);
static inline int fb_quickdraw_check_alignment(int value, int align)
{
return value % align;
}
int fb_quickdraw_correct_alignment(int coord, int align);
void fb_quickdraw_clip_rect(int panel_xres, int panel_yres, int x, int y,
int w, int h, struct fb_quickdraw_rect *src_rect,
struct fb_quickdraw_rect *dst_rect);
#endif /* _FB_QUICKDRAW_OPS_H_ */
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