1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2009 Texas Instruments Inc 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef VPIF_CAPTURE_H 7*4882a593Smuzhiyun #define VPIF_CAPTURE_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun /* Header files */ 10*4882a593Smuzhiyun #include <media/videobuf2-dma-contig.h> 11*4882a593Smuzhiyun #include <media/v4l2-device.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include "vpif.h" 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun /* Macros */ 16*4882a593Smuzhiyun #define VPIF_CAPTURE_VERSION "0.0.2" 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #define VPIF_VALID_FIELD(field) (((V4L2_FIELD_ANY == field) || \ 19*4882a593Smuzhiyun (V4L2_FIELD_NONE == field)) || \ 20*4882a593Smuzhiyun (((V4L2_FIELD_INTERLACED == field) || \ 21*4882a593Smuzhiyun (V4L2_FIELD_SEQ_TB == field)) || \ 22*4882a593Smuzhiyun (V4L2_FIELD_SEQ_BT == field))) 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #define VPIF_CAPTURE_MAX_DEVICES 2 25*4882a593Smuzhiyun #define VPIF_VIDEO_INDEX 0 26*4882a593Smuzhiyun #define VPIF_NUMBER_OF_OBJECTS 1 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun /* Enumerated data type to give id to each device per channel */ 29*4882a593Smuzhiyun enum vpif_channel_id { 30*4882a593Smuzhiyun VPIF_CHANNEL0_VIDEO = 0, 31*4882a593Smuzhiyun VPIF_CHANNEL1_VIDEO, 32*4882a593Smuzhiyun }; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun struct video_obj { 35*4882a593Smuzhiyun enum v4l2_field buf_field; 36*4882a593Smuzhiyun /* Currently selected or default standard */ 37*4882a593Smuzhiyun v4l2_std_id stdid; 38*4882a593Smuzhiyun struct v4l2_dv_timings dv_timings; 39*4882a593Smuzhiyun }; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun struct vpif_cap_buffer { 42*4882a593Smuzhiyun struct vb2_v4l2_buffer vb; 43*4882a593Smuzhiyun struct list_head list; 44*4882a593Smuzhiyun }; 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun struct common_obj { 47*4882a593Smuzhiyun /* Pointer pointing to current v4l2_buffer */ 48*4882a593Smuzhiyun struct vpif_cap_buffer *cur_frm; 49*4882a593Smuzhiyun /* Pointer pointing to current v4l2_buffer */ 50*4882a593Smuzhiyun struct vpif_cap_buffer *next_frm; 51*4882a593Smuzhiyun /* Used to store pixel format */ 52*4882a593Smuzhiyun struct v4l2_format fmt; 53*4882a593Smuzhiyun /* Buffer queue used in video-buf */ 54*4882a593Smuzhiyun struct vb2_queue buffer_queue; 55*4882a593Smuzhiyun /* Queue of filled frames */ 56*4882a593Smuzhiyun struct list_head dma_queue; 57*4882a593Smuzhiyun /* Protects the dma_queue field */ 58*4882a593Smuzhiyun spinlock_t irqlock; 59*4882a593Smuzhiyun /* lock used to access this structure */ 60*4882a593Smuzhiyun struct mutex lock; 61*4882a593Smuzhiyun /* Function pointer to set the addresses */ 62*4882a593Smuzhiyun void (*set_addr) (unsigned long, unsigned long, unsigned long, 63*4882a593Smuzhiyun unsigned long); 64*4882a593Smuzhiyun /* offset where Y top starts from the starting of the buffer */ 65*4882a593Smuzhiyun u32 ytop_off; 66*4882a593Smuzhiyun /* offset where Y bottom starts from the starting of the buffer */ 67*4882a593Smuzhiyun u32 ybtm_off; 68*4882a593Smuzhiyun /* offset where C top starts from the starting of the buffer */ 69*4882a593Smuzhiyun u32 ctop_off; 70*4882a593Smuzhiyun /* offset where C bottom starts from the starting of the buffer */ 71*4882a593Smuzhiyun u32 cbtm_off; 72*4882a593Smuzhiyun /* Indicates width of the image data */ 73*4882a593Smuzhiyun u32 width; 74*4882a593Smuzhiyun /* Indicates height of the image data */ 75*4882a593Smuzhiyun u32 height; 76*4882a593Smuzhiyun }; 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun struct channel_obj { 79*4882a593Smuzhiyun /* Identifies video device for this channel */ 80*4882a593Smuzhiyun struct video_device video_dev; 81*4882a593Smuzhiyun /* Indicates id of the field which is being displayed */ 82*4882a593Smuzhiyun u32 field_id; 83*4882a593Smuzhiyun /* flag to indicate whether decoder is initialized */ 84*4882a593Smuzhiyun u8 initialized; 85*4882a593Smuzhiyun /* Identifies channel */ 86*4882a593Smuzhiyun enum vpif_channel_id channel_id; 87*4882a593Smuzhiyun /* Current input */ 88*4882a593Smuzhiyun u32 input_idx; 89*4882a593Smuzhiyun /* subdev corresponding to the current input, may be NULL */ 90*4882a593Smuzhiyun struct v4l2_subdev *sd; 91*4882a593Smuzhiyun /* vpif configuration params */ 92*4882a593Smuzhiyun struct vpif_params vpifparams; 93*4882a593Smuzhiyun /* common object array */ 94*4882a593Smuzhiyun struct common_obj common[VPIF_NUMBER_OF_OBJECTS]; 95*4882a593Smuzhiyun /* video object */ 96*4882a593Smuzhiyun struct video_obj video; 97*4882a593Smuzhiyun }; 98*4882a593Smuzhiyun 99*4882a593Smuzhiyun struct vpif_device { 100*4882a593Smuzhiyun struct v4l2_device v4l2_dev; 101*4882a593Smuzhiyun struct channel_obj *dev[VPIF_CAPTURE_NUM_CHANNELS]; 102*4882a593Smuzhiyun struct v4l2_subdev **sd; 103*4882a593Smuzhiyun struct v4l2_async_notifier notifier; 104*4882a593Smuzhiyun struct vpif_capture_config *config; 105*4882a593Smuzhiyun }; 106*4882a593Smuzhiyun 107*4882a593Smuzhiyun #endif /* VPIF_CAPTURE_H */ 108