drivers/media/video/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
  32 struct isp_device;
  33 struct 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 */
  41 enum ccp2_input_entity {
  42         CCP2_INPUT_NONE,
  43         CCP2_INPUT_SENSOR,
  44         CCP2_INPUT_MEMORY,
  45 };
  46
  47 /* CCP2 output media entity */
  48 enum ccp2_output_entity {
  49         CCP2_OUTPUT_NONE,
  50         CCP2_OUTPUT_CCDC,
  51         CCP2_OUTPUT_MEMORY,
  52 };
  53
  54
  55 /* Logical channel configuration */
  56 struct isp_interface_lcx_config {
  57         int crc;
  58         u32 data_start;
  59         u32 data_size;
  60         u32 format;
  61 };
  62
  63 /* Memory channel configuration */
  64 struct 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 */
  73 struct 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         unsigned int error;
  85         enum isp_pipeline_stream_state state;
  86         wait_queue_head_t wait;
  87         atomic_t stopping;
  88 };
  89
  90 /* Function declarations */
  91 int omap3isp_ccp2_init(struct isp_device *isp);
  92 void omap3isp_ccp2_cleanup(struct isp_device *isp);
  93 int omap3isp_ccp2_register_entities(struct isp_ccp2_device *ccp2,
  94                         struct v4l2_device *vdev);
  95 void omap3isp_ccp2_unregister_entities(struct isp_ccp2_device *ccp2);
  96 int omap3isp_ccp2_isr(struct isp_ccp2_device *ccp2);
  97
  98 #endif  /* OMAP3_ISP_CCP2_H */