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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ARCH_ARM_PLAT_OMAP4_ISS_H
#define ARCH_ARM_PLAT_OMAP4_ISS_H
#include <linux/i2c.h>
struct iss_device;
enum iss_interface_type {
ISS_INTERFACE_CSI2A_PHY1,
ISS_INTERFACE_CSI2B_PHY2,
};
/**
* struct iss_csiphy_lane: CSI2 lane position and polarity
* @pos: position of the lane
* @pol: polarity of the lane
*/
struct iss_csiphy_lane {
u8 pos;
u8 pol;
};
#define ISS_CSIPHY1_NUM_DATA_LANES 4
#define ISS_CSIPHY2_NUM_DATA_LANES 1
/**
* struct iss_csiphy_lanes_cfg - CSI2 lane configuration
* @data: Configuration of one or two data lanes
* @clk: Clock lane configuration
*/
struct iss_csiphy_lanes_cfg {
struct iss_csiphy_lane data[ISS_CSIPHY1_NUM_DATA_LANES];
struct iss_csiphy_lane clk;
};
/**
* struct iss_csi2_platform_data - CSI2 interface platform data
* @crc: Enable the cyclic redundancy check
* @vpclk_div: Video port output clock control
*/
struct iss_csi2_platform_data {
unsigned crc:1;
unsigned vpclk_div:2;
struct iss_csiphy_lanes_cfg lanecfg;
};
struct iss_subdev_i2c_board_info {
struct i2c_board_info *board_info;
int i2c_adapter_id;
};
struct iss_v4l2_subdevs_group {
struct iss_subdev_i2c_board_info *subdevs;
enum iss_interface_type interface;
union {
struct iss_csi2_platform_data csi2;
} bus; /* gcc < 4.6.0 chokes on anonymous union initializers */
};
struct iss_platform_data {
struct iss_v4l2_subdevs_group *subdevs;
void (*set_constraints)(struct iss_device *iss, bool enable);
};
#endif
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