drivers/media/platform/omap3isp/ispccp2.h

   1 /*
   2  * ispccp2.h
   3  *
   4  * TI OMAP3 ISP - CCP2 module
   5  *
   6  * Copyright (C) 2010 Nokia Corporation
   7  * Copyright (C) 2010 Texas Instruments, Inc.
   8  *
   9  * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  10  *           Sakari Ailus <sakari.ailus@iki.fi>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  */
  16
  17 #ifndef OMAP3_ISP_CCP2_H
  18 #define OMAP3_ISP_CCP2_H
  19
  20 #include <linux/videodev2.h>
  21
  22 struct isp_device;
  23 struct isp_csiphy;
  24
  25 /* Sink and source ccp2 pads */
  26 #define CCP2_PAD_SINK                   0
  27 #define CCP2_PAD_SOURCE                 1
  28 #define CCP2_PADS_NUM                   2
  29
  30 /* CCP2 input media entity */
  31 enum ccp2_input_entity {
  32         CCP2_INPUT_NONE,
  33         CCP2_INPUT_SENSOR,
  34         CCP2_INPUT_MEMORY,
  35 };
  36
  37 /* CCP2 output media entity */
  38 enum ccp2_output_entity {
  39         CCP2_OUTPUT_NONE,
  40         CCP2_OUTPUT_CCDC,
  41         CCP2_OUTPUT_MEMORY,
  42 };
  43
  44
  45 /* Logical channel configuration */
  46 struct isp_interface_lcx_config {
  47         int crc;
  48         u32 data_start;
  49         u32 data_size;
  50         u32 format;
  51 };
  52
  53 /* Memory channel configuration */
  54 struct isp_interface_mem_config {
  55         u32 dst_port;
  56         u32 vsize_count;
  57         u32 hsize_count;
  58         u32 src_ofst;
  59         u32 dst_ofst;
  60 };
  61
  62 /* CCP2 device */
  63 struct isp_ccp2_device {
  64         struct v4l2_subdev subdev;
  65         struct v4l2_mbus_framefmt formats[CCP2_PADS_NUM];
  66         struct media_pad pads[CCP2_PADS_NUM];
  67
  68         enum ccp2_input_entity input;
  69         enum ccp2_output_entity output;
  70         struct isp_interface_lcx_config if_cfg;
  71         struct isp_interface_mem_config mem_cfg;
  72         struct isp_video video_in;
  73         struct isp_csiphy *phy;
  74         struct regulator *vdds_csib;
  75         enum isp_pipeline_stream_state state;
  76         wait_queue_head_t wait;
  77         atomic_t stopping;
  78 };
  79
  80 /* Function declarations */
  81 int omap3isp_ccp2_init(struct isp_device *isp);
  82 void omap3isp_ccp2_cleanup(struct isp_device *isp);
  83 int omap3isp_ccp2_register_entities(struct isp_ccp2_device *ccp2,
  84                         struct v4l2_device *vdev);
  85 void omap3isp_ccp2_unregister_entities(struct isp_ccp2_device *ccp2);
  86 void omap3isp_ccp2_isr(struct isp_ccp2_device *ccp2);
  87
  88 #endif  /* OMAP3_ISP_CCP2_H */