LXR linux/include/media/omap3isp.h

   1/*
   2 * omap3isp.h
   3 *
   4 * TI OMAP3 ISP - Platform data
   5 *
   6 * Copyright (C) 2011 Nokia Corporation
   7 *
   8 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
   9 *           Sakari Ailus <sakari.ailus@iki.fi>
  10 *
  11 * This program is free software; you can redistribute it and/or modify
  12 * it under the terms of the GNU General Public License version 2 as
  13 * published by the Free Software Foundation.
  14 *
  15 * This program is distributed in the hope that it will be useful, but
  16 * WITHOUT ANY WARRANTY; without even the implied warranty of
  17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18 * General Public License for more details.
  19 *
  20 * You should have received a copy of the GNU General Public License
  21 * along with this program; if not, write to the Free Software
  22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  23 * 02110-1301 USA
  24 */
  25
  26#ifndef __MEDIA_OMAP3ISP_H__
  27#define __MEDIA_OMAP3ISP_H__
  28
  29struct i2c_board_info;
  30struct isp_device;
  31
  32enum isp_interface_type {
  33        ISP_INTERFACE_PARALLEL,
  34        ISP_INTERFACE_CSI2A_PHY2,
  35        ISP_INTERFACE_CCP2B_PHY1,
  36        ISP_INTERFACE_CCP2B_PHY2,
  37        ISP_INTERFACE_CSI2C_PHY1,
  38};
  39
  40enum {
  41        ISP_BRIDGE_DISABLE = 0,
  42        ISP_BRIDGE_LITTLE_ENDIAN = 2,
  43        ISP_BRIDGE_BIG_ENDIAN = 3,
  44};
  45
  46enum {
  47        ISP_LANE_SHIFT_0 = 0,
  48        ISP_LANE_SHIFT_2 = 1,
  49        ISP_LANE_SHIFT_4 = 2,
  50        ISP_LANE_SHIFT_6 = 3,
  51};
  52
  53/**
  54 * struct isp_parallel_platform_data - Parallel interface platform data
  55 * @data_lane_shift: Data lane shifter
  56 *              ISP_LANE_SHIFT_0 - CAMEXT[13:0] -> CAM[13:0]
  57 *              ISP_LANE_SHIFT_2 - CAMEXT[13:2] -> CAM[11:0]
  58 *              ISP_LANE_SHIFT_4 - CAMEXT[13:4] -> CAM[9:0]
  59 *              ISP_LANE_SHIFT_6 - CAMEXT[13:6] -> CAM[7:0]
  60 * @clk_pol: Pixel clock polarity
  61 *              0 - Non Inverted, 1 - Inverted
  62 * @hs_pol: Horizontal synchronization polarity
  63 *              0 - Active high, 1 - Active low
  64 * @vs_pol: Vertical synchronization polarity
  65 *              0 - Active high, 1 - Active low
  66 * @bridge: CCDC Bridge input control
  67 *              ISP_BRIDGE_DISABLE - Disable
  68 *              ISP_BRIDGE_LITTLE_ENDIAN - Little endian
  69 *              ISP_BRIDGE_BIG_ENDIAN - Big endian
  70 */
  71struct isp_parallel_platform_data {
  72        unsigned int data_lane_shift:2;
  73        unsigned int clk_pol:1;
  74        unsigned int hs_pol:1;
  75        unsigned int vs_pol:1;
  76        unsigned int bridge:2;
  77};
  78
  79enum {
  80        ISP_CCP2_PHY_DATA_CLOCK = 0,
  81        ISP_CCP2_PHY_DATA_STROBE = 1,
  82};
  83
  84enum {
  85        ISP_CCP2_MODE_MIPI = 0,
  86        ISP_CCP2_MODE_CCP2 = 1,
  87};
  88
  89/**
  90 * struct isp_ccp2_platform_data - CCP2 interface platform data
  91 * @strobe_clk_pol: Strobe/clock polarity
  92 *              0 - Non Inverted, 1 - Inverted
  93 * @crc: Enable the cyclic redundancy check
  94 * @ccp2_mode: Enable CCP2 compatibility mode
  95 *              ISP_CCP2_MODE_MIPI - MIPI-CSI1 mode
  96 *              ISP_CCP2_MODE_CCP2 - CCP2 mode
  97 * @phy_layer: Physical layer selection
  98 *              ISP_CCP2_PHY_DATA_CLOCK - Data/clock physical layer
  99 *              ISP_CCP2_PHY_DATA_STROBE - Data/strobe physical layer
 100 * @vpclk_div: Video port output clock control
 101 */
 102struct isp_ccp2_platform_data {
 103        unsigned int strobe_clk_pol:1;
 104        unsigned int crc:1;
 105        unsigned int ccp2_mode:1;
 106        unsigned int phy_layer:1;
 107        unsigned int vpclk_div:2;
 108};
 109
 110/**
 111 * struct isp_csi2_platform_data - CSI2 interface platform data
 112 * @crc: Enable the cyclic redundancy check
 113 * @vpclk_div: Video port output clock control
 114 */
 115struct isp_csi2_platform_data {
 116        unsigned crc:1;
 117        unsigned vpclk_div:2;
 118};
 119
 120struct isp_subdev_i2c_board_info {
 121        struct i2c_board_info *board_info;
 122        int i2c_adapter_id;
 123};
 124
 125struct isp_v4l2_subdevs_group {
 126        struct isp_subdev_i2c_board_info *subdevs;
 127        enum isp_interface_type interface;
 128        union {
 129                struct isp_parallel_platform_data parallel;
 130                struct isp_ccp2_platform_data ccp2;
 131                struct isp_csi2_platform_data csi2;
 132        } bus; /* gcc < 4.6.0 chokes on anonymous union initializers */
 133};
 134
 135struct isp_platform_data {
 136        struct isp_v4l2_subdevs_group *subdevs;
 137        void (*set_constraints)(struct isp_device *isp, bool enable);
 138};
 139
 140#endif  /* __MEDIA_OMAP3ISP_H__ */
 141