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/*
* drivers/media/video/omap/omap_wbdef.h
*
* Copyright (C) 2009 Texas Instruments.
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
#include <plat/display.h>
#include <linux/videodev2.h>
#define YUYV_BPP 2
#define RGB565_BPP 2
#define RGB24_BPP 3
#define RGB32_BPP 4
#define TILE_SIZE 32
struct omap2wb_device {
struct mutex mtx;
int state;
struct v4l2_device v4l2_dev;
struct omap_wb_device *wb;
};
struct omap_wb_device {
struct video_device *vfd;
int wid;
int opened;
struct omap2wb_device *wb_dev;
/* we don't allow to change image fmt/size once buffer has
* been allocated
*/
int buffer_allocated;
/* allow to reuse previously allocated buffer which is big enough */
int buffer_size;
/* keep buffer info across opens */
unsigned long buf_virt_addr[VIDEO_MAX_FRAME];
unsigned long buf_phy_addr[VIDEO_MAX_FRAME];
/* keep which buffers we actually allocated (via tiler) */
unsigned long buf_phy_uv_addr_alloced[VIDEO_MAX_FRAME];
unsigned long buf_phy_addr_alloced[VIDEO_MAX_FRAME];
/* NV12 support*/
unsigned long buf_phy_uv_addr[VIDEO_MAX_FRAME];
u8 *queued_buf_uv_addr[VIDEO_MAX_FRAME];
enum omap_color_mode dss_mode;
unsigned long width;
unsigned long height;
/* we don't allow to request new buffer when old buffers are
* still mmaped
*/
int mmap_count;
spinlock_t vbq_lock; /* spinlock for videobuf queues */
unsigned long field_count; /* field counter for videobuf_buffer */
bool enabled;
/* non-NULL means streaming is in progress. */
bool streaming;
struct v4l2_pix_format pix;
struct v4l2_window win;
/* Lock to protect the shared data structures in ioctl */
struct mutex lock;
int bpp; /* bytes per pixel */
int ps, vr_ps, line_length, first_int, field_id;
enum v4l2_memory memory;
struct videobuf_buffer *cur_frm, *next_frm;
struct list_head dma_queue;
u8 *queued_buf_addr[VIDEO_MAX_FRAME];
void *isr_handle;
/* Buffer queue variables */
struct omap_wb_device *wb;
enum v4l2_buf_type type;
struct videobuf_queue vbq;
int io_allowed;
/*write back specific*/
enum v4l2_writeback_source source;
enum v4l2_writeback_source_type source_type;
enum v4l2_writeback_capturemode capturemode;
bool buf_empty;
};
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