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kernel add
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#ifndef VPBE_DISPLAY_H
#define VPBE_DISPLAY_H
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <media/v4l2-fh.h>
#include <media/videobuf2-v4l2.h>
#include <media/videobuf2-dma-contig.h>
#include <media/davinci/vpbe_types.h>
#include <media/davinci/vpbe_osd.h>
#include <media/davinci/vpbe.h>
#define VPBE_DISPLAY_MAX_DEVICES 2
enum vpbe_display_device_id {
VPBE_DISPLAY_DEVICE_0,
VPBE_DISPLAY_DEVICE_1
};
#define VPBE_DISPLAY_DRV_NAME "vpbe-display"
#define VPBE_DISPLAY_MAJOR_RELEASE 1
#define VPBE_DISPLAY_MINOR_RELEASE 0
#define VPBE_DISPLAY_BUILD 1
#define VPBE_DISPLAY_VERSION_CODE ((VPBE_DISPLAY_MAJOR_RELEASE << 16) | \
(VPBE_DISPLAY_MINOR_RELEASE << 8) | \
VPBE_DISPLAY_BUILD)
#define VPBE_DISPLAY_VALID_FIELD(field) ((V4L2_FIELD_NONE == field) || \
(V4L2_FIELD_ANY == field) || (V4L2_FIELD_INTERLACED == field))
#define VPBE_DISPLAY_H_EXP_RATIO_N 9
#define VPBE_DISPLAY_H_EXP_RATIO_D 8
#define VPBE_DISPLAY_V_EXP_RATIO_N 6
#define VPBE_DISPLAY_V_EXP_RATIO_D 5
#define VPBE_DISPLAY_ZOOM_4X 4
#define VPBE_DISPLAY_ZOOM_2X 2
struct display_layer_info {
int enable;
enum osd_layer id;
struct osd_layer_config config;
enum osd_zoom_factor h_zoom;
enum osd_zoom_factor v_zoom;
enum osd_h_exp_ratio h_exp;
enum osd_v_exp_ratio v_exp;
};
struct vpbe_disp_buffer {
struct vb2_v4l2_buffer vb;
struct list_head list;
};
struct vpbe_layer {
struct vpbe_display *disp_dev;
struct vpbe_disp_buffer *cur_frm;
struct vpbe_disp_buffer *next_frm;
struct vb2_queue buffer_queue;
struct vb2_alloc_ctx *alloc_ctx;
struct list_head dma_queue;
spinlock_t irqlock;
struct video_device video_dev;
struct v4l2_pix_format pix_fmt;
enum v4l2_field buf_field;
struct display_layer_info layer_info;
unsigned char window_enable;
unsigned int usrs;
unsigned int field_id;
enum vpbe_display_device_id device_id;
struct mutex opslock;
u8 layer_first_int;
};
struct vpbe_display {
spinlock_t dma_queue_lock;
unsigned int cbcr_ofst;
struct vpbe_layer *dev[VPBE_DISPLAY_MAX_DEVICES];
struct vpbe_device *vpbe_dev;
struct osd_state *osd_device;
};
struct buf_config_params {
unsigned char min_numbuffers;
unsigned char numbuffers[VPBE_DISPLAY_MAX_DEVICES];
unsigned int min_bufsize[VPBE_DISPLAY_MAX_DEVICES];
unsigned int layer_bufsize[VPBE_DISPLAY_MAX_DEVICES];
};
#endif /* VPBE_DISPLAY_H */
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