LXR linux/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 * This program is distributed in the hope that it will be useful, but
  17 * WITHOUT ANY WARRANTY; without even the implied warranty of
  18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19 * General Public License for more details.
  20 *
  21 * You should have received a copy of the GNU General Public License
  22 * along with this program; if not, write to the Free Software
  23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  24 * 02110-1301 USA
  25 */
  26
  27#ifndef OMAP3_ISP_CCP2_H
  28#define OMAP3_ISP_CCP2_H
  29
  30#include <linux/videodev2.h>
  31
  32struct isp_device;
  33struct isp_csiphy;
  34
  35/* Sink and source ccp2 pads */
  36#define CCP2_PAD_SINK                   0
  37#define CCP2_PAD_SOURCE                 1
  38#define CCP2_PADS_NUM                   2
  39
  40/* CCP2 input media entity */
  41enum ccp2_input_entity {
  42        CCP2_INPUT_NONE,
  43        CCP2_INPUT_SENSOR,
  44        CCP2_INPUT_MEMORY,
  45};
  46
  47/* CCP2 output media entity */
  48enum ccp2_output_entity {
  49        CCP2_OUTPUT_NONE,
  50        CCP2_OUTPUT_CCDC,
  51        CCP2_OUTPUT_MEMORY,
  52};
  53
  54
  55/* Logical channel configuration */
  56struct isp_interface_lcx_config {
  57        int crc;
  58        u32 data_start;
  59        u32 data_size;
  60        u32 format;
  61};
  62
  63/* Memory channel configuration */
  64struct isp_interface_mem_config {
  65        u32 dst_port;
  66        u32 vsize_count;
  67        u32 hsize_count;
  68        u32 src_ofst;
  69        u32 dst_ofst;
  70};
  71
  72/* CCP2 device */
  73struct isp_ccp2_device {
  74        struct v4l2_subdev subdev;
  75        struct v4l2_mbus_framefmt formats[CCP2_PADS_NUM];
  76        struct media_pad pads[CCP2_PADS_NUM];
  77
  78        enum ccp2_input_entity input;
  79        enum ccp2_output_entity output;
  80        struct isp_interface_lcx_config if_cfg;
  81        struct isp_interface_mem_config mem_cfg;
  82        struct isp_video video_in;
  83        struct isp_csiphy *phy;
  84        struct regulator *vdds_csib;
  85        enum isp_pipeline_stream_state state;
  86        wait_queue_head_t wait;
  87        atomic_t stopping;
  88};
  89
  90/* Function declarations */
  91int omap3isp_ccp2_init(struct isp_device *isp);
  92void omap3isp_ccp2_cleanup(struct isp_device *isp);
  93int omap3isp_ccp2_register_entities(struct isp_ccp2_device *ccp2,
  94                        struct v4l2_device *vdev);
  95void omap3isp_ccp2_unregister_entities(struct isp_ccp2_device *ccp2);
  96void omap3isp_ccp2_isr(struct isp_ccp2_device *ccp2);
  97
  98#endif  /* OMAP3_ISP_CCP2_H */
  99