forked from rrcarlosr/Jetpack
96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 2017 NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope 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.
|
|
*/
|
|
|
|
#ifndef _LINUX_TEGRA_I2C_RTCPU_H
|
|
#define _LINUX_TEGRA_I2C_RTCPU_H
|
|
|
|
#include <linux/i2c.h>
|
|
#include <media/camera_common.h>
|
|
|
|
struct tegra_i2c_rtcpu_sensor;
|
|
|
|
struct tegra_i2c_rtcpu_config {
|
|
unsigned int reg_bytes;
|
|
};
|
|
|
|
/*
|
|
* Sensor registration
|
|
*/
|
|
|
|
#ifdef CONFIG_I2C_TEGRA_CAMRTC
|
|
|
|
/* Find an I2C multi device, and register a sensor. */
|
|
struct tegra_i2c_rtcpu_sensor *tegra_i2c_rtcpu_register_sensor(
|
|
struct i2c_client *client,
|
|
const struct tegra_i2c_rtcpu_config *config);
|
|
|
|
#else
|
|
|
|
static inline struct tegra_i2c_rtcpu_sensor *tegra_i2c_rtcpu_register_sensor(
|
|
struct i2c_client *client,
|
|
const struct tegra_i2c_rtcpu_config *config)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
#endif
|
|
|
|
/*
|
|
* I2C transfer
|
|
*/
|
|
|
|
#ifdef CONFIG_I2C_TEGRA_CAMRTC
|
|
|
|
/* Start or stop buffering of I2C transfer requests */
|
|
int tegra_i2c_rtcpu_aggregate(
|
|
struct tegra_i2c_rtcpu_sensor *sensor,
|
|
bool start);
|
|
|
|
/* Setting frame ID is available after aggregation started */
|
|
int tegra_i2c_rtcpu_set_frame_id(
|
|
struct tegra_i2c_rtcpu_sensor *sensor,
|
|
int frame_id);
|
|
|
|
/* Read one or more bytes from a sensor */
|
|
int tegra_i2c_rtcpu_read_reg8(
|
|
struct tegra_i2c_rtcpu_sensor *sensor,
|
|
unsigned int addr,
|
|
u8 *data,
|
|
unsigned int count);
|
|
|
|
/* Write one or more bytes to a sensor */
|
|
int tegra_i2c_rtcpu_write_reg8(
|
|
struct tegra_i2c_rtcpu_sensor *sensor,
|
|
unsigned int addr,
|
|
const u8 *data,
|
|
unsigned int count);
|
|
|
|
/* Write a table */
|
|
int tegra_i2c_rtcpu_write_table_8(
|
|
struct tegra_i2c_rtcpu_sensor *sensor,
|
|
const struct reg_8 table[],
|
|
const struct reg_8 override_list[],
|
|
int num_override_regs, u16 wait_ms_addr, u16 end_addr);
|
|
|
|
#else
|
|
|
|
#define tegra_i2c_rtcpu_aggregate(...) (0)
|
|
#define tegra_i2c_rtcpu_set_frame_id(...) (0)
|
|
#define tegra_i2c_rtcpu_read_reg8(...) (-ENODEV)
|
|
#define tegra_i2c_rtcpu_write_reg8(...) (-ENODEV)
|
|
#define tegra_i2c_rtcpu_write_table_8(...) (-ENODEV)
|
|
|
|
#endif
|
|
|
|
#endif /* _LINUX_TEGRA_I2C_RTCPU_H */
|