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