LXR linux/include/media/davinci/vpfe

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * Copyright (C) 2008-2009 Texas Instruments Inc
   4 */
   5
   6#ifndef _VPFE_CAPTURE_H
   7#define _VPFE_CAPTURE_H
   8
   9#ifdef __KERNEL__
  10
  11/* Header files */
  12#include <media/v4l2-dev.h>
  13#include <linux/videodev2.h>
  14#include <linux/clk.h>
  15#include <linux/i2c.h>
  16#include <media/v4l2-fh.h>
  17#include <media/v4l2-ioctl.h>
  18#include <media/v4l2-device.h>
  19#include <media/videobuf-dma-contig.h>
  20#include <media/davinci/vpfe_types.h>
  21
  22#define VPFE_CAPTURE_NUM_DECODERS        5
  23
  24/* Macros */
  25#define VPFE_MAJOR_RELEASE              0
  26#define VPFE_MINOR_RELEASE              0
  27#define VPFE_BUILD                      1
  28#define VPFE_CAPTURE_VERSION_CODE       ((VPFE_MAJOR_RELEASE << 16) | \
  29                                        (VPFE_MINOR_RELEASE << 8)  | \
  30                                        VPFE_BUILD)
  31
  32#define CAPTURE_DRV_NAME                "vpfe-capture"
  33
  34struct vpfe_pixel_format {
  35        u32 pixelformat;
  36        /* bytes per pixel */
  37        int bpp;
  38};
  39
  40struct vpfe_std_info {
  41        int active_pixels;
  42        int active_lines;
  43        /* current frame format */
  44        int frame_format;
  45};
  46
  47struct vpfe_route {
  48        u32 input;
  49        u32 output;
  50};
  51
  52struct vpfe_subdev_info {
  53        /* Sub device name */
  54        char name[32];
  55        /* Sub device group id */
  56        int grp_id;
  57        /* Number of inputs supported */
  58        int num_inputs;
  59        /* inputs available at the sub device */
  60        struct v4l2_input *inputs;
  61        /* Sub dev routing information for each input */
  62        struct vpfe_route *routes;
  63        /* check if sub dev supports routing */
  64        int can_route;
  65        /* ccdc bus/interface configuration */
  66        struct vpfe_hw_if_param ccdc_if_params;
  67        /* i2c subdevice board info */
  68        struct i2c_board_info board_info;
  69};
  70
  71struct vpfe_config {
  72        /* Number of sub devices connected to vpfe */
  73        int num_subdevs;
  74        /* i2c bus adapter no */
  75        int i2c_adapter_id;
  76        /* information about each subdev */
  77        struct vpfe_subdev_info *sub_devs;
  78        /* evm card info */
  79        char *card_name;
  80        /* ccdc name */
  81        char *ccdc;
  82        /* vpfe clock */
  83        struct clk *vpssclk;
  84        struct clk *slaveclk;
  85        /* Function for Clearing the interrupt */
  86        void (*clr_intr)(int vdint);
  87};
  88
  89struct vpfe_device {
  90        /* V4l2 specific parameters */
  91        /* Identifies video device for this channel */
  92        struct video_device video_dev;
  93        /* sub devices */
  94        struct v4l2_subdev **sd;
  95        /* vpfe cfg */
  96        struct vpfe_config *cfg;
  97        /* V4l2 device */
  98        struct v4l2_device v4l2_dev;
  99        /* parent device */
 100        struct device *pdev;
 101        /* number of open instances of the channel */
 102        u32 usrs;
 103        /* Indicates id of the field which is being displayed */
 104        u32 field_id;
 105        /* flag to indicate whether decoder is initialized */
 106        u8 initialized;
 107        /* current interface type */
 108        struct vpfe_hw_if_param vpfe_if_params;
 109        /* ptr to currently selected sub device */
 110        struct vpfe_subdev_info *current_subdev;
 111        /* current input at the sub device */
 112        int current_input;
 113        /* Keeps track of the information about the standard */
 114        struct vpfe_std_info std_info;
 115        /* std index into std table */
 116        int std_index;
 117        /* CCDC IRQs used when CCDC/ISIF output to SDRAM */
 118        unsigned int ccdc_irq0;
 119        unsigned int ccdc_irq1;
 120        /* number of buffers in fbuffers */
 121        u32 numbuffers;
 122        /* List of buffer pointers for storing frames */
 123        u8 *fbuffers[VIDEO_MAX_FRAME];
 124        /* Pointer pointing to current v4l2_buffer */
 125        struct videobuf_buffer *cur_frm;
 126        /* Pointer pointing to next v4l2_buffer */
 127        struct videobuf_buffer *next_frm;
 128        /*
 129         * This field keeps track of type of buffer exchange mechanism
 130         * user has selected
 131         */
 132        enum v4l2_memory memory;
 133        /* Used to store pixel format */
 134        struct v4l2_format fmt;
 135        /*
 136         * used when IMP is chained to store the crop window which
 137         * is different from the image window
 138         */
 139        struct v4l2_rect crop;
 140        /* Buffer queue used in video-buf */
 141        struct videobuf_queue buffer_queue;
 142        /* Queue of filled frames */
 143        struct list_head dma_queue;
 144        /* Used in video-buf */
 145        spinlock_t irqlock;
 146        /* IRQ lock for DMA queue */
 147        spinlock_t dma_queue_lock;
 148        /* lock used to access this structure */
 149        struct mutex lock;
 150        /* number of users performing IO */
 151        u32 io_usrs;
 152        /* Indicates whether streaming started */
 153        u8 started;
 154        /*
 155         * offset where second field starts from the starting of the
 156         * buffer for field separated YCbCr formats
 157         */
 158        u32 field_off;
 159};
 160
 161/* File handle structure */
 162struct vpfe_fh {
 163        struct v4l2_fh fh;
 164        struct vpfe_device *vpfe_dev;
 165        /* Indicates whether this file handle is doing IO */
 166        u8 io_allowed;
 167};
 168
 169struct vpfe_config_params {
 170        u8 min_numbuffers;
 171        u8 numbuffers;
 172        u32 min_bufsize;
 173        u32 device_bufsize;
 174};
 175
 176#endif                          /* End of __KERNEL__ */
 177#endif                          /* _DAVINCI_VPFE_H */
 178