diff options
Diffstat (limited to 'drivers/media/pci/mgb4/mgb4_i2c.h')
| -rw-r--r-- | drivers/media/pci/mgb4/mgb4_i2c.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/media/pci/mgb4/mgb4_i2c.h b/drivers/media/pci/mgb4/mgb4_i2c.h new file mode 100644 index 000000000000..fac6a1634474 --- /dev/null +++ b/drivers/media/pci/mgb4/mgb4_i2c.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2021-2023 Digiteq Automotive + * author: Martin Tuma <martin.tuma@digiteqautomotive.com> + */ + +#ifndef __MGB4_I2C_H__ +#define __MGB4_I2C_H__ + +#include <linux/i2c.h> + +struct mgb4_i2c_client { + struct i2c_client *client; + int addr_size; +}; + +struct mgb4_i2c_kv { + u16 reg; + u8 mask; + u8 val; +}; + +int mgb4_i2c_init(struct mgb4_i2c_client *client, struct i2c_adapter *adap, + struct i2c_board_info const *info, int addr_size); +void mgb4_i2c_free(struct mgb4_i2c_client *client); + +s32 mgb4_i2c_read_byte(struct mgb4_i2c_client *client, u16 reg); +s32 mgb4_i2c_write_byte(struct mgb4_i2c_client *client, u16 reg, u8 val); +s32 mgb4_i2c_mask_byte(struct mgb4_i2c_client *client, u16 reg, u8 mask, + u8 val); + +int mgb4_i2c_configure(struct mgb4_i2c_client *client, + const struct mgb4_i2c_kv *values, size_t count); + +#endif |