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