162 lines
4.3 KiB
C
162 lines
4.3 KiB
C
/*
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* omap3isp.h
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*
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* TI OMAP3 ISP - Platform data
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*
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* Copyright (C) 2011 Nokia Corporation
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*
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* Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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* Sakari Ailus <sakari.ailus@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef __MEDIA_OMAP3ISP_H__
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#define __MEDIA_OMAP3ISP_H__
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struct i2c_board_info;
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struct isp_device;
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#define ISP_XCLK_NONE 0
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#define ISP_XCLK_A 1
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#define ISP_XCLK_B 2
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enum isp_interface_type {
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ISP_INTERFACE_PARALLEL,
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ISP_INTERFACE_CSI2A_PHY2,
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ISP_INTERFACE_CCP2B_PHY1,
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ISP_INTERFACE_CCP2B_PHY2,
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ISP_INTERFACE_CSI2C_PHY1,
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};
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enum {
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ISP_LANE_SHIFT_0 = 0,
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ISP_LANE_SHIFT_2 = 1,
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ISP_LANE_SHIFT_4 = 2,
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ISP_LANE_SHIFT_6 = 3,
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};
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/**
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* struct isp_parallel_platform_data - Parallel interface platform data
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* @data_lane_shift: Data lane shifter
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* ISP_LANE_SHIFT_0 - CAMEXT[13:0] -> CAM[13:0]
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* ISP_LANE_SHIFT_2 - CAMEXT[13:2] -> CAM[11:0]
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* ISP_LANE_SHIFT_4 - CAMEXT[13:4] -> CAM[9:0]
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* ISP_LANE_SHIFT_6 - CAMEXT[13:6] -> CAM[7:0]
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* @clk_pol: Pixel clock polarity
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* 0 - Sample on rising edge, 1 - Sample on falling edge
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* @hs_pol: Horizontal synchronization polarity
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* 0 - Active high, 1 - Active low
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* @vs_pol: Vertical synchronization polarity
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* 0 - Active high, 1 - Active low
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* @data_pol: Data polarity
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* 0 - Normal, 1 - One's complement
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*/
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struct isp_parallel_platform_data {
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unsigned int data_lane_shift:2;
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unsigned int clk_pol:1;
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unsigned int hs_pol:1;
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unsigned int vs_pol:1;
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unsigned int data_pol:1;
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};
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enum {
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ISP_CCP2_PHY_DATA_CLOCK = 0,
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ISP_CCP2_PHY_DATA_STROBE = 1,
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};
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enum {
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ISP_CCP2_MODE_MIPI = 0,
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ISP_CCP2_MODE_CCP2 = 1,
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};
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/**
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* struct isp_csiphy_lane: CCP2/CSI2 lane position and polarity
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* @pos: position of the lane
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* @pol: polarity of the lane
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*/
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struct isp_csiphy_lane {
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u8 pos;
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u8 pol;
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};
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#define ISP_CSIPHY1_NUM_DATA_LANES 1
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#define ISP_CSIPHY2_NUM_DATA_LANES 2
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/**
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* struct isp_csiphy_lanes_cfg - CCP2/CSI2 lane configuration
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* @data: Configuration of one or two data lanes
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* @clk: Clock lane configuration
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*/
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struct isp_csiphy_lanes_cfg {
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struct isp_csiphy_lane data[ISP_CSIPHY2_NUM_DATA_LANES];
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struct isp_csiphy_lane clk;
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};
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/**
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* struct isp_ccp2_platform_data - CCP2 interface platform data
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* @strobe_clk_pol: Strobe/clock polarity
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* 0 - Non Inverted, 1 - Inverted
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* @crc: Enable the cyclic redundancy check
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* @ccp2_mode: Enable CCP2 compatibility mode
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* ISP_CCP2_MODE_MIPI - MIPI-CSI1 mode
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* ISP_CCP2_MODE_CCP2 - CCP2 mode
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* @phy_layer: Physical layer selection
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* ISP_CCP2_PHY_DATA_CLOCK - Data/clock physical layer
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* ISP_CCP2_PHY_DATA_STROBE - Data/strobe physical layer
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* @vpclk_div: Video port output clock control
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*/
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struct isp_ccp2_platform_data {
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unsigned int strobe_clk_pol:1;
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unsigned int crc:1;
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unsigned int ccp2_mode:1;
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unsigned int phy_layer:1;
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unsigned int vpclk_div:2;
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struct isp_csiphy_lanes_cfg lanecfg;
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};
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/**
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* struct isp_csi2_platform_data - CSI2 interface platform data
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* @crc: Enable the cyclic redundancy check
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* @vpclk_div: Video port output clock control
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*/
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struct isp_csi2_platform_data {
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unsigned crc:1;
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unsigned vpclk_div:2;
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struct isp_csiphy_lanes_cfg lanecfg;
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};
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struct isp_subdev_i2c_board_info {
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struct i2c_board_info *board_info;
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int i2c_adapter_id;
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};
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struct isp_v4l2_subdevs_group {
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struct isp_subdev_i2c_board_info *subdevs;
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enum isp_interface_type interface;
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union {
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struct isp_parallel_platform_data parallel;
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struct isp_ccp2_platform_data ccp2;
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struct isp_csi2_platform_data csi2;
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} bus; /* gcc < 4.6.0 chokes on anonymous union initializers */
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};
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struct isp_platform_data {
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struct isp_v4l2_subdevs_group *subdevs;
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void (*set_constraints)(struct isp_device *isp, bool enable);
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};
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#endif /* __MEDIA_OMAP3ISP_H__ */
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