5c7ab6348e
Features Supported - 1. Provides V4L2 user interface for the video pipelines of DSS 2. Basic streaming working on LCD, DVI and TV. 3. Works on latest DSS2 library from Tomi 4. Support for various pixel formats like YUV, UYVY, RGB32, RGB24, RGB565 5. Supports Alpha blending. 6. Supports Color keying both source and destination. 7. Supports rotation. 8. Supports cropping. 9. Supports Background color setting. 10. Allocated buffers to only needed size Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com> Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl> Reviewed-by: Muralidharan Karicheri <mkaricheri@gmail.com> Signed-off-by: Murailidharan Karicheri <mkaricheri@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
147 lines
3.5 KiB
C
147 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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