mirror of https://gitee.com/openkylin/linux.git
148 lines
3.5 KiB
C
148 lines
3.5 KiB
C
/*
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* omap_voutdef.h
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*
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* Copyright (C) 2010 Texas Instruments.
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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#ifndef OMAP_VOUTDEF_H
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#define OMAP_VOUTDEF_H
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#include <plat/display.h>
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#define YUYV_BPP 2
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#define RGB565_BPP 2
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#define RGB24_BPP 3
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#define RGB32_BPP 4
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#define TILE_SIZE 32
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#define YUYV_VRFB_BPP 2
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#define RGB_VRFB_BPP 1
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#define MAX_CID 3
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#define MAC_VRFB_CTXS 4
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#define MAX_VOUT_DEV 2
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#define MAX_OVLS 3
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#define MAX_DISPLAYS 3
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#define MAX_MANAGERS 3
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/* Enum for Rotation
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* DSS understands rotation in 0, 1, 2, 3 context
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* while V4L2 driver understands it as 0, 90, 180, 270
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*/
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enum dss_rotation {
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dss_rotation_0_degree = 0,
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dss_rotation_90_degree = 1,
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dss_rotation_180_degree = 2,
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dss_rotation_270_degree = 3,
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};
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/*
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* This structure is used to store the DMA transfer parameters
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* for VRFB hidden buffer
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*/
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struct vid_vrfb_dma {
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int dev_id;
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int dma_ch;
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int req_status;
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int tx_status;
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wait_queue_head_t wait;
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};
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struct omapvideo_info {
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int id;
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int num_overlays;
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struct omap_overlay *overlays[MAX_OVLS];
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};
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struct omap2video_device {
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struct mutex mtx;
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int state;
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struct v4l2_device v4l2_dev;
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struct omap_vout_device *vouts[MAX_VOUT_DEV];
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int num_displays;
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struct omap_dss_device *displays[MAX_DISPLAYS];
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int num_overlays;
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struct omap_overlay *overlays[MAX_OVLS];
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int num_managers;
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struct omap_overlay_manager *managers[MAX_MANAGERS];
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};
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/* per-device data structure */
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struct omap_vout_device {
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struct omapvideo_info vid_info;
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struct video_device *vfd;
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struct omap2video_device *vid_dev;
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int vid;
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int opened;
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/* we don't allow to change image fmt/size once buffer has
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* been allocated
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*/
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int buffer_allocated;
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/* allow to reuse previously allocated buffer which is big enough */
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int buffer_size;
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/* keep buffer info across opens */
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unsigned long buf_virt_addr[VIDEO_MAX_FRAME];
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unsigned long buf_phy_addr[VIDEO_MAX_FRAME];
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enum omap_color_mode dss_mode;
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/* we don't allow to request new buffer when old buffers are
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* still mmaped
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*/
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int mmap_count;
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spinlock_t vbq_lock; /* spinlock for videobuf queues */
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unsigned long field_count; /* field counter for videobuf_buffer */
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/* non-NULL means streaming is in progress. */
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bool streaming;
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struct v4l2_pix_format pix;
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struct v4l2_rect crop;
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struct v4l2_window win;
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struct v4l2_framebuffer fbuf;
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/* Lock to protect the shared data structures in ioctl */
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struct mutex lock;
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/* V4L2 control structure for different control id */
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struct v4l2_control control[MAX_CID];
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enum dss_rotation rotation;
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bool mirror;
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int flicker_filter;
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/* V4L2 control structure for different control id */
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int bpp; /* bytes per pixel */
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int vrfb_bpp; /* bytes per pixel with respect to VRFB */
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struct vid_vrfb_dma vrfb_dma_tx;
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unsigned int smsshado_phy_addr[MAC_VRFB_CTXS];
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unsigned int smsshado_virt_addr[MAC_VRFB_CTXS];
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struct vrfb vrfb_context[MAC_VRFB_CTXS];
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bool vrfb_static_allocation;
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unsigned int smsshado_size;
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unsigned char pos;
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int ps, vr_ps, line_length, first_int, field_id;
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enum v4l2_memory memory;
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struct videobuf_buffer *cur_frm, *next_frm;
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struct list_head dma_queue;
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u8 *queued_buf_addr[VIDEO_MAX_FRAME];
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u32 cropped_offset;
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s32 tv_field1_offset;
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void *isr_handle;
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/* Buffer queue variables */
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struct omap_vout_device *vout;
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enum v4l2_buf_type type;
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struct videobuf_queue vbq;
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int io_allowed;
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};
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#endif /* ifndef OMAP_VOUTDEF_H */
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