mlxcpld.h

 1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
 2/*
 3 * Mellanox I2C multiplexer support in CPLD
 4 *
 5 * Copyright (C) 2016-2020 Mellanox Technologies
 6 */
 7
 8#ifndef _LINUX_I2C_MLXCPLD_H
 9#define _LINUX_I2C_MLXCPLD_H
10
11/* Platform data for the CPLD I2C multiplexers */
12
13/* mlxcpld_mux_plat_data - per mux data, used with i2c_register_board_info
14 * @chan_ids - channels array
15 * @num_adaps - number of adapters
16 * @sel_reg_addr - mux select register offset in CPLD space
17 * @reg_size: register size in bytes
18 * @handle: handle to be passed by callback
19 * @completion_notify: callback to notify when all the adapters are created
20 */
21struct mlxcpld_mux_plat_data {
22	int *chan_ids;
23	int num_adaps;
24	int sel_reg_addr;
25	u8 reg_size;
26	void *handle;
27	int (*completion_notify)(void *handle, struct i2c_adapter *parent,
28				 struct i2c_adapter *adapters[]);
29};
30
31#endif /* _LINUX_I2C_MLXCPLD_H */