mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 21:24:00 +08:00
53ddcc683f
Stop using alloc_ctx and just fill in the device pointer. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Cc: Scott Jiang <scott.jiang.linux@gmail.com> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
131 lines
3.8 KiB
C
131 lines
3.8 KiB
C
/*
|
|
* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation version 2.
|
|
*
|
|
* This program is distributed WITHOUT ANY WARRANTY of any
|
|
* kind, whether express or implied; without even the implied warranty
|
|
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
#ifndef VPBE_DISPLAY_H
|
|
#define VPBE_DISPLAY_H
|
|
|
|
/* Header files */
|
|
#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))
|
|
|
|
/* Exp ratio numerator and denominator constants */
|
|
#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
|
|
|
|
/* Zoom multiplication factor */
|
|
#define VPBE_DISPLAY_ZOOM_4X 4
|
|
#define VPBE_DISPLAY_ZOOM_2X 2
|
|
|
|
/* Structures */
|
|
struct display_layer_info {
|
|
int enable;
|
|
/* Layer ID used by Display Manager */
|
|
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;
|
|
};
|
|
|
|
/* vpbe display object structure */
|
|
struct vpbe_layer {
|
|
/* Pointer to the vpbe_display */
|
|
struct vpbe_display *disp_dev;
|
|
/* Pointer pointing to current v4l2_buffer */
|
|
struct vpbe_disp_buffer *cur_frm;
|
|
/* Pointer pointing to next v4l2_buffer */
|
|
struct vpbe_disp_buffer *next_frm;
|
|
/* videobuf specific parameters
|
|
* Buffer queue used in video-buf
|
|
*/
|
|
struct vb2_queue buffer_queue;
|
|
/* Queue of filled frames */
|
|
struct list_head dma_queue;
|
|
/* Used in video-buf */
|
|
spinlock_t irqlock;
|
|
/* V4l2 specific parameters */
|
|
/* Identifies video device for this layer */
|
|
struct video_device video_dev;
|
|
/* Used to store pixel format */
|
|
struct v4l2_pix_format pix_fmt;
|
|
enum v4l2_field buf_field;
|
|
/* Video layer configuration params */
|
|
struct display_layer_info layer_info;
|
|
/* vpbe specific parameters
|
|
* enable window for display
|
|
*/
|
|
unsigned char window_enable;
|
|
/* number of open instances of the layer */
|
|
unsigned int usrs;
|
|
/* Indicates id of the field which is being displayed */
|
|
unsigned int field_id;
|
|
/* Identifies device object */
|
|
enum vpbe_display_device_id device_id;
|
|
/* facilitation of ioctl ops lock by v4l2*/
|
|
struct mutex opslock;
|
|
u8 layer_first_int;
|
|
};
|
|
|
|
/* vpbe device structure */
|
|
struct vpbe_display {
|
|
/* layer specific parameters */
|
|
/* lock for isr updates to buf layers*/
|
|
spinlock_t dma_queue_lock;
|
|
/* C-Plane offset from start of y-plane */
|
|
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 */
|