LXR linux/drivers/media/platform/omap3isp/ispccp2.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * ispccp2.h
   4 *
   5 * TI OMAP3 ISP - CCP2 module
   6 *
   7 * Copyright (C) 2010 Nokia Corporation
   8 * Copyright (C) 2010 Texas Instruments, Inc.
   9 *
  10 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  11 *           Sakari Ailus <sakari.ailus@iki.fi>
  12 */
  13
  14#ifndef OMAP3_ISP_CCP2_H
  15#define OMAP3_ISP_CCP2_H
  16
  17#include <linux/videodev2.h>
  18
  19struct isp_device;
  20struct isp_csiphy;
  21
  22/* Sink and source ccp2 pads */
  23#define CCP2_PAD_SINK                   0
  24#define CCP2_PAD_SOURCE                 1
  25#define CCP2_PADS_NUM                   2
  26
  27/* CCP2 input media entity */
  28enum ccp2_input_entity {
  29        CCP2_INPUT_NONE,
  30        CCP2_INPUT_SENSOR,
  31        CCP2_INPUT_MEMORY,
  32};
  33
  34/* CCP2 output media entity */
  35enum ccp2_output_entity {
  36        CCP2_OUTPUT_NONE,
  37        CCP2_OUTPUT_CCDC,
  38        CCP2_OUTPUT_MEMORY,
  39};
  40
  41
  42/* Logical channel configuration */
  43struct isp_interface_lcx_config {
  44        int crc;
  45        u32 data_start;
  46        u32 data_size;
  47        u32 format;
  48};
  49
  50/* Memory channel configuration */
  51struct isp_interface_mem_config {
  52        u32 dst_port;
  53        u32 vsize_count;
  54        u32 hsize_count;
  55        u32 src_ofst;
  56        u32 dst_ofst;
  57};
  58
  59/* CCP2 device */
  60struct isp_ccp2_device {
  61        struct v4l2_subdev subdev;
  62        struct v4l2_mbus_framefmt formats[CCP2_PADS_NUM];
  63        struct media_pad pads[CCP2_PADS_NUM];
  64
  65        enum ccp2_input_entity input;
  66        enum ccp2_output_entity output;
  67        struct isp_interface_lcx_config if_cfg;
  68        struct isp_interface_mem_config mem_cfg;
  69        struct isp_video video_in;
  70        struct isp_csiphy *phy;
  71        struct regulator *vdds_csib;
  72        enum isp_pipeline_stream_state state;
  73        wait_queue_head_t wait;
  74        atomic_t stopping;
  75};
  76
  77/* Function declarations */
  78int omap3isp_ccp2_init(struct isp_device *isp);
  79void omap3isp_ccp2_cleanup(struct isp_device *isp);
  80int omap3isp_ccp2_register_entities(struct isp_ccp2_device *ccp2,
  81                        struct v4l2_device *vdev);
  82void omap3isp_ccp2_unregister_entities(struct isp_ccp2_device *ccp2);
  83void omap3isp_ccp2_isr(struct isp_ccp2_device *ccp2);
  84
  85#endif  /* OMAP3_ISP_CCP2_H */
  86