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git://nv-tegra.nvidia.com/linux-nv-oot.git
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92ac7bc35a
Port camera drivers below from /kenrel/nvidia to /kernel/nvidia-oot as OOT modules: - Fusa-capture driver - Tegra V4L2 framework driver - vi/csi driver - tegra camera platform driver Change-Id: I390af27096425bb11e0934201dd1a90f001bb3fa Signed-off-by: Frank Chen <frankc@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2780698 Reviewed-by: FNU Raunak <fraunak@nvidia.com> Reviewed-by: Ankur Pawar <ankurp@nvidia.com> Reviewed-by: Shiva Dubey <sdubey@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
88 lines
1.9 KiB
C
88 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2017-2022 NVIDIA CORPORATION. All rights reserved.
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*/
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#ifndef _LINUX_TEGRA_I2C_RTCPU_H
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#define _LINUX_TEGRA_I2C_RTCPU_H
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#include <linux/i2c.h>
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#include <media/camera_common.h>
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struct tegra_i2c_rtcpu_sensor;
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struct tegra_i2c_rtcpu_config {
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unsigned int reg_bytes;
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};
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/*
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* Sensor registration
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*/
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#ifdef CONFIG_I2C_TEGRA_CAMRTC
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/* Find an I2C multi device, and register a sensor. */
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struct tegra_i2c_rtcpu_sensor *tegra_i2c_rtcpu_register_sensor(
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struct i2c_client *client,
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const struct tegra_i2c_rtcpu_config *config);
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#else
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static inline struct tegra_i2c_rtcpu_sensor *tegra_i2c_rtcpu_register_sensor(
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struct i2c_client *client,
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const struct tegra_i2c_rtcpu_config *config)
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{
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return NULL;
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}
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#endif
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/*
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* I2C transfer
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*/
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#ifdef CONFIG_I2C_TEGRA_CAMRTC
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/* Start or stop buffering of I2C transfer requests */
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int tegra_i2c_rtcpu_aggregate(
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struct tegra_i2c_rtcpu_sensor *sensor,
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bool start);
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/* Setting frame ID is available after aggregation started */
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int tegra_i2c_rtcpu_set_frame_id(
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struct tegra_i2c_rtcpu_sensor *sensor,
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int frame_id);
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/* Read one or more bytes from a sensor */
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int tegra_i2c_rtcpu_read_reg8(
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struct tegra_i2c_rtcpu_sensor *sensor,
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unsigned int addr,
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u8 *data,
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unsigned int count);
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/* Write one or more bytes to a sensor */
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int tegra_i2c_rtcpu_write_reg8(
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struct tegra_i2c_rtcpu_sensor *sensor,
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unsigned int addr,
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const u8 *data,
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unsigned int count);
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/* Write a table */
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int tegra_i2c_rtcpu_write_table_8(
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struct tegra_i2c_rtcpu_sensor *sensor,
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const struct reg_8 table[],
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const struct reg_8 override_list[],
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int num_override_regs, u16 wait_ms_addr, u16 end_addr);
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#else
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#define tegra_i2c_rtcpu_aggregate(...) (0)
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#define tegra_i2c_rtcpu_set_frame_id(...) (0)
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#define tegra_i2c_rtcpu_read_reg8(...) (-ENODEV)
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#define tegra_i2c_rtcpu_write_reg8(...) (-ENODEV)
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#define tegra_i2c_rtcpu_write_table_8(...) (-ENODEV)
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#endif
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#endif /* _LINUX_TEGRA_I2C_RTCPU_H */
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