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
  19 struct isp_device;
  20 struct 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 */
  28 enum ccp2_input_entity {
  29         CCP2_INPUT_NONE,
  30         CCP2_INPUT_SENSOR,
  31         CCP2_INPUT_MEMORY,
  32 };
  33
  34 /* CCP2 output media entity */
  35 enum ccp2_output_entity {
  36         CCP2_OUTPUT_NONE,
  37         CCP2_OUTPUT_CCDC,
  38         CCP2_OUTPUT_MEMORY,
  39 };
  40
  41
  42 /* Logical channel configuration */
  43 struct isp_interface_lcx_config {
  44         int crc;
  45         u32 data_start;
  46         u32 data_size;
  47         u32 format;
  48 };
  49
  50 /* Memory channel configuration */
  51 struct 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 */
  60 struct 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 */
  78 int omap3isp_ccp2_init(struct isp_device *isp);
  79 void omap3isp_ccp2_cleanup(struct isp_device *isp);
  80 int omap3isp_ccp2_register_entities(struct isp_ccp2_device *ccp2,
  81                         struct v4l2_device *vdev);
  82 void omap3isp_ccp2_unregister_entities(struct isp_ccp2_device *ccp2);
  83 void omap3isp_ccp2_isr(struct isp_ccp2_device *ccp2);
  84
  85 #endif  /* OMAP3_ISP_CCP2_H */