| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright (C) 2010 Texas Instruments Incorporated - https://www.ti.com/ |
| */ |
| #ifndef VPBE_DISPLAY_H |
| #define VPBE_DISPLAY_H |
| |
| /* Header files */ |
| #include <linux/videodev2.h> |
| #include <media/v4l2-common.h> |
| #include <media/v4l2-fh.h> |
| #include <media/videobuf2-v4l2.h> |
| #include <media/videobuf2-dma-contig.h> |
| #include <media/davinci/vpbe_types.h> |
| #include <media/davinci/vpbe_osd.h> |
| #include <media/davinci/vpbe.h> |
| |
| #define VPBE_DISPLAY_MAX_DEVICES 2 |
| |
| enum vpbe_display_device_id { |
| VPBE_DISPLAY_DEVICE_0, |
| VPBE_DISPLAY_DEVICE_1 |
| }; |
| |
| #define VPBE_DISPLAY_DRV_NAME "vpbe-display" |
| |
| #define VPBE_DISPLAY_MAJOR_RELEASE 1 |
| #define VPBE_DISPLAY_MINOR_RELEASE 0 |
| #define VPBE_DISPLAY_BUILD 1 |
| #define VPBE_DISPLAY_VERSION_CODE ((VPBE_DISPLAY_MAJOR_RELEASE << 16) | \ |
| (VPBE_DISPLAY_MINOR_RELEASE << 8) | \ |
| VPBE_DISPLAY_BUILD) |
| |
| #define VPBE_DISPLAY_VALID_FIELD(field) ((V4L2_FIELD_NONE == field) || \ |
| (V4L2_FIELD_ANY == field) || (V4L2_FIELD_INTERLACED == field)) |
| |
| /* Exp ratio numerator and denominator constants */ |
| #define VPBE_DISPLAY_H_EXP_RATIO_N 9 |
| #define VPBE_DISPLAY_H_EXP_RATIO_D 8 |
| #define VPBE_DISPLAY_V_EXP_RATIO_N 6 |
| #define VPBE_DISPLAY_V_EXP_RATIO_D 5 |
| |
| /* Zoom multiplication factor */ |
| #define VPBE_DISPLAY_ZOOM_4X 4 |
| #define VPBE_DISPLAY_ZOOM_2X 2 |
| |
| /* Structures */ |
| struct display_layer_info { |
| int enable; |
| /* Layer ID used by Display Manager */ |
| enum osd_layer id; |
| struct osd_layer_config config; |
| enum osd_zoom_factor h_zoom; |
| enum osd_zoom_factor v_zoom; |
| enum osd_h_exp_ratio h_exp; |
| enum osd_v_exp_ratio v_exp; |
| }; |
| |
| struct vpbe_disp_buffer { |
| struct vb2_v4l2_buffer vb; |
| struct list_head list; |
| }; |
| |
| /* vpbe display object structure */ |
| struct vpbe_layer { |
| /* Pointer to the vpbe_display */ |
| struct vpbe_display *disp_dev; |
| /* Pointer pointing to current v4l2_buffer */ |
| struct vpbe_disp_buffer *cur_frm; |
| /* Pointer pointing to next v4l2_buffer */ |
| struct vpbe_disp_buffer *next_frm; |
| /* vb2 specific parameters |
| * Buffer queue used in vb2 |
| */ |
| struct vb2_queue buffer_queue; |
| /* Queue of filled frames */ |
| struct list_head dma_queue; |
| /* Used for video buffer handling */ |
| spinlock_t irqlock; |
| /* V4l2 specific parameters */ |
| /* Identifies video device for this layer */ |
| struct video_device video_dev; |
| /* Used to store pixel format */ |
| struct v4l2_pix_format pix_fmt; |
| enum v4l2_field buf_field; |
| /* Video layer configuration params */ |
| struct display_layer_info layer_info; |
| /* vpbe specific parameters |
| * enable window for display |
| */ |
| unsigned char window_enable; |
| /* number of open instances of the layer */ |
| unsigned int usrs; |
| /* Indicates id of the field which is being displayed */ |
| unsigned int field_id; |
| /* Identifies device object */ |
| enum vpbe_display_device_id device_id; |
| /* facilitation of ioctl ops lock by v4l2*/ |
| struct mutex opslock; |
| u8 layer_first_int; |
| }; |
| |
| /* vpbe device structure */ |
| struct vpbe_display { |
| /* layer specific parameters */ |
| /* lock for isr updates to buf layers*/ |
| spinlock_t dma_queue_lock; |
| /* C-Plane offset from start of y-plane */ |
| unsigned int cbcr_ofst; |
| struct vpbe_layer *dev[VPBE_DISPLAY_MAX_DEVICES]; |
| struct vpbe_device *vpbe_dev; |
| struct osd_state *osd_device; |
| }; |
| |
| struct buf_config_params { |
| unsigned char min_numbuffers; |
| unsigned char numbuffers[VPBE_DISPLAY_MAX_DEVICES]; |
| unsigned int min_bufsize[VPBE_DISPLAY_MAX_DEVICES]; |
| unsigned int layer_bufsize[VPBE_DISPLAY_MAX_DEVICES]; |
| }; |
| |
| #endif /* VPBE_DISPLAY_H */ |