1/* 2 * omap_voutdef.h 3 * 4 * Copyright (C) 2010 Texas Instruments. 5 * 6 * This file is licensed under the terms of the GNU General Public License 7 * version 2. This program is licensed "as is" without any warranty of any 8 * kind, whether express or implied. 9 */ 10 11#ifndef OMAP_VOUTDEF_H 12#define OMAP_VOUTDEF_H 13 14#include <plat/display.h> 15 16#define YUYV_BPP 2 17#define RGB565_BPP 2 18#define RGB24_BPP 3 19#define RGB32_BPP 4 20#define TILE_SIZE 32 21#define YUYV_VRFB_BPP 2 22#define RGB_VRFB_BPP 1 23#define MAX_CID 3 24#define MAC_VRFB_CTXS 4 25#define MAX_VOUT_DEV 2 26#define MAX_OVLS 3 27#define MAX_DISPLAYS 3 28#define MAX_MANAGERS 3 29 30/* Enum for Rotation 31 * DSS understands rotation in 0, 1, 2, 3 context 32 * while V4L2 driver understands it as 0, 90, 180, 270 33 */ 34enum dss_rotation { 35 dss_rotation_0_degree = 0, 36 dss_rotation_90_degree = 1, 37 dss_rotation_180_degree = 2, 38 dss_rotation_270_degree = 3, 39}; 40/* 41 * This structure is used to store the DMA transfer parameters 42 * for VRFB hidden buffer 43 */ 44struct vid_vrfb_dma { 45 int dev_id; 46 int dma_ch; 47 int req_status; 48 int tx_status; 49 wait_queue_head_t wait; 50}; 51 52struct omapvideo_info { 53 int id; 54 int num_overlays; 55 struct omap_overlay *overlays[MAX_OVLS]; 56}; 57 58struct omap2video_device { 59 struct mutex mtx; 60 61 int state; 62 63 struct v4l2_device v4l2_dev; 64 struct omap_vout_device *vouts[MAX_VOUT_DEV]; 65 66 int num_displays; 67 struct omap_dss_device *displays[MAX_DISPLAYS]; 68 int num_overlays; 69 struct omap_overlay *overlays[MAX_OVLS]; 70 int num_managers; 71 struct omap_overlay_manager *managers[MAX_MANAGERS]; 72}; 73 74/* per-device data structure */ 75struct omap_vout_device { 76 77 struct omapvideo_info vid_info; 78 struct video_device *vfd; 79 struct omap2video_device *vid_dev; 80 int vid; 81 int opened; 82 83 /* we don't allow to change image fmt/size once buffer has 84 * been allocated 85 */ 86 int buffer_allocated; 87 /* allow to reuse previously allocated buffer which is big enough */ 88 int buffer_size; 89 /* keep buffer info across opens */ 90 unsigned long buf_virt_addr[VIDEO_MAX_FRAME]; 91 unsigned long buf_phy_addr[VIDEO_MAX_FRAME]; 92 enum omap_color_mode dss_mode; 93 94 /* we don't allow to request new buffer when old buffers are 95 * still mmaped 96 */ 97 int mmap_count; 98 99 spinlock_t vbq_lock; /* spinlock for videobuf queues */ 100 unsigned long field_count; /* field counter for videobuf_buffer */ 101 102 /* non-NULL means streaming is in progress. */ 103 bool streaming; 104 105 struct v4l2_pix_format pix; 106 struct v4l2_rect crop; 107 struct v4l2_window win; 108 struct v4l2_framebuffer fbuf; 109 110 /* Lock to protect the shared data structures in ioctl */ 111 struct mutex lock; 112 113 /* V4L2 control structure for different control id */ 114 struct v4l2_control control[MAX_CID]; 115 enum dss_rotation rotation; 116 bool mirror; 117 int flicker_filter; 118 /* V4L2 control structure for different control id */ 119 120 int bpp; /* bytes per pixel */ 121 int vrfb_bpp; /* bytes per pixel with respect to VRFB */ 122 123 struct vid_vrfb_dma vrfb_dma_tx; 124 unsigned int smsshado_phy_addr[MAC_VRFB_CTXS]; 125 unsigned int smsshado_virt_addr[MAC_VRFB_CTXS]; 126 struct vrfb vrfb_context[MAC_VRFB_CTXS]; 127 bool vrfb_static_allocation; 128 unsigned int smsshado_size; 129 unsigned char pos; 130 131 int ps, vr_ps, line_length, first_int, field_id; 132 enum v4l2_memory memory; 133 struct videobuf_buffer *cur_frm, *next_frm; 134 struct list_head dma_queue; 135 u8 *queued_buf_addr[VIDEO_MAX_FRAME]; 136 u32 cropped_offset; 137 s32 tv_field1_offset; 138 void *isr_handle; 139 140 /* Buffer queue variables */ 141 struct omap_vout_device *vout; 142 enum v4l2_buf_type type; 143 struct videobuf_queue vbq; 144 int io_allowed; 145 146}; 147#endif /* ifndef OMAP_VOUTDEF_H */ 148