| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * Copyright (C) 2021-2023 Digiteq Automotive |
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| 4 | * author: Martin Tuma <martin.tuma@digiteqautomotive.com> |
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| 5 | */ |
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| 6 | |
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| 7 | #ifndef __MGB4_I2C_H__ |
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| 8 | #define __MGB4_I2C_H__ |
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| 9 | |
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| 10 | #include <linux/i2c.h> |
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| 11 | |
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| 12 | struct mgb4_i2c_client { |
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| 13 | struct i2c_client *client; |
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| 14 | int addr_size; |
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| 15 | }; |
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| 16 | |
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| 17 | struct mgb4_i2c_kv { |
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| 18 | u16 reg; |
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| 19 | u8 mask; |
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| 20 | u8 val; |
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| 21 | }; |
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| 22 | |
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| 23 | int mgb4_i2c_init(struct mgb4_i2c_client *client, struct i2c_adapter *adap, |
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| 24 | struct i2c_board_info const *info, int addr_size); |
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| 25 | void mgb4_i2c_free(struct mgb4_i2c_client *client); |
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| 26 | |
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| 27 | s32 mgb4_i2c_read_byte(struct mgb4_i2c_client *client, u16 reg); |
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| 28 | s32 mgb4_i2c_write_byte(struct mgb4_i2c_client *client, u16 reg, u8 val); |
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| 29 | s32 mgb4_i2c_mask_byte(struct mgb4_i2c_client *client, u16 reg, u8 mask, |
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| 30 | u8 val); |
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| 31 | |
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| 32 | int mgb4_i2c_configure(struct mgb4_i2c_client *client, |
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| 33 | const struct mgb4_i2c_kv *values, size_t count); |
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| 34 | |
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| 35 | #endif |
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| 36 | |
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