+++ /dev/null
-/*
- * omap_voutdef.h
- *
- * Copyright (C) 2010 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.
- */
-
-#ifndef OMAP_VOUTDEF_H
-#define OMAP_VOUTDEF_H
-
-#include <media/videobuf2-dma-contig.h>
-#include <media/v4l2-ctrls.h>
-#include <video/omapfb_dss.h>
-#include <video/omapvrfb.h>
-#include <linux/dmaengine.h>
-
-#define YUYV_BPP 2
-#define RGB565_BPP 2
-#define RGB24_BPP 3
-#define RGB32_BPP 4
-#define TILE_SIZE 32
-#define YUYV_VRFB_BPP 2
-#define RGB_VRFB_BPP 1
-#define MAX_CID 3
-#define MAC_VRFB_CTXS 4
-#define MAX_VOUT_DEV 2
-#define MAX_OVLS 3
-#define MAX_DISPLAYS 10
-#define MAX_MANAGERS 3
-
-#define QQVGA_WIDTH 160
-#define QQVGA_HEIGHT 120
-
-/* Max Resolution supported by the driver */
-#define VID_MAX_WIDTH 1280 /* Largest width */
-#define VID_MAX_HEIGHT 720 /* Largest height */
-
-/* Minimum requirement is 2x2 for DSS */
-#define VID_MIN_WIDTH 2
-#define VID_MIN_HEIGHT 2
-
-/* 2048 x 2048 is max res supported by OMAP display controller */
-#define MAX_PIXELS_PER_LINE 2048
-
-#define VRFB_TX_TIMEOUT 1000
-#define VRFB_NUM_BUFS 4
-
-/* Max buffer size tobe allocated during init */
-#define OMAP_VOUT_MAX_BUF_SIZE (VID_MAX_WIDTH*VID_MAX_HEIGHT*4)
-
-enum dma_channel_state {
- DMA_CHAN_NOT_ALLOTED,
- DMA_CHAN_ALLOTED,
-};
-
-/* Enum for Rotation
- * DSS understands rotation in 0, 1, 2, 3 context
- * while V4L2 driver understands it as 0, 90, 180, 270
- */
-enum dss_rotation {
- dss_rotation_0_degree = 0,
- dss_rotation_90_degree = 1,
- dss_rotation_180_degree = 2,
- dss_rotation_270_degree = 3,
-};
-
-/* Enum for choosing rotation type for vout
- * DSS2 doesn't understand no rotation as an
- * option while V4L2 driver doesn't support
- * rotation in the case where VRFB is not built in
- * the kernel
- */
-enum vout_rotaion_type {
- VOUT_ROT_NONE = 0,
- VOUT_ROT_VRFB = 1,
-};
-
-/*
- * This structure is used to store the DMA transfer parameters
- * for VRFB hidden buffer
- */
-struct vid_vrfb_dma {
- struct dma_chan *chan;
- struct dma_interleaved_template *xt;
-
- int req_status;
- int tx_status;
- wait_queue_head_t wait;
-};
-
-struct omapvideo_info {
- int id;
- int num_overlays;
- struct omap_overlay *overlays[MAX_OVLS];
- enum vout_rotaion_type rotation_type;
-};
-
-struct omap2video_device {
- struct mutex mtx;
-
- int state;
-
- struct v4l2_device v4l2_dev;
- struct omap_vout_device *vouts[MAX_VOUT_DEV];
-
- int num_displays;
- struct omap_dss_device *displays[MAX_DISPLAYS];
- int num_overlays;
- struct omap_overlay *overlays[MAX_OVLS];
- int num_managers;
- struct omap_overlay_manager *managers[MAX_MANAGERS];
-};
-
-/* buffer for one video frame */
-struct omap_vout_buffer {
- /* common v4l buffer stuff -- must be first */
- struct vb2_v4l2_buffer vbuf;
- struct list_head queue;
-};
-
-static inline struct omap_vout_buffer *vb2_to_omap_vout_buffer(struct vb2_buffer *vb)
-{
- struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
-
- return container_of(vbuf, struct omap_vout_buffer, vbuf);
-}
-
-/* per-device data structure */
-struct omap_vout_device {
-
- struct omapvideo_info vid_info;
- struct video_device *vfd;
- struct omap2video_device *vid_dev;
- struct v4l2_ctrl_handler ctrl_handler;
- int vid;
-
- /* allow to reuse previously allocated buffer which is big enough */
- int buffer_size;
- enum omap_color_mode dss_mode;
-
- u32 sequence;
-
- struct v4l2_pix_format pix;
- struct v4l2_rect crop;
- struct v4l2_window win;
- struct v4l2_framebuffer fbuf;
-
- /* Lock to protect the shared data structures in ioctl */
- struct mutex lock;
-
- enum dss_rotation rotation;
- bool mirror;
- int flicker_filter;
-
- int bpp; /* bytes per pixel */
- int vrfb_bpp; /* bytes per pixel with respect to VRFB */
-
- struct vid_vrfb_dma vrfb_dma_tx;
- unsigned int smsshado_phy_addr[MAC_VRFB_CTXS];
- unsigned int smsshado_virt_addr[MAC_VRFB_CTXS];
- struct vrfb vrfb_context[MAC_VRFB_CTXS];
- bool vrfb_static_allocation;
- unsigned int smsshado_size;
- unsigned char pos;
-
- int ps, vr_ps, line_length, first_int, field_id;
- struct omap_vout_buffer *cur_frm, *next_frm;
- spinlock_t vbq_lock; /* spinlock for dma_queue */
- struct list_head dma_queue;
- dma_addr_t queued_buf_addr[VIDEO_MAX_FRAME];
- u32 cropped_offset;
- s32 tv_field1_offset;
- void *isr_handle;
- struct vb2_queue vq;
-
-};
-
-/*
- * Return true if rotation is 90 or 270
- */
-static inline int is_rotation_90_or_270(const struct omap_vout_device *vout)
-{
- return (vout->rotation == dss_rotation_90_degree ||
- vout->rotation == dss_rotation_270_degree);
-}
-
-/*
- * Return true if rotation is enabled
- */
-static inline int is_rotation_enabled(const struct omap_vout_device *vout)
-{
- return vout->rotation || vout->mirror;
-}
-
-/*
- * Reverse the rotation degree if mirroring is enabled
- */
-static inline int calc_rotation(const struct omap_vout_device *vout)
-{
- if (!vout->mirror)
- return vout->rotation;
-
- switch (vout->rotation) {
- case dss_rotation_90_degree:
- return dss_rotation_270_degree;
- case dss_rotation_270_degree:
- return dss_rotation_90_degree;
- case dss_rotation_180_degree:
- return dss_rotation_0_degree;
- default:
- return dss_rotation_180_degree;
- }
-}
-
-void omap_vout_free_buffers(struct omap_vout_device *vout);
-#endif /* ifndef OMAP_VOUTDEF_H */
git.samba.org / sfrench / cifs-2.6.git / blobdiff