| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* Copyright (C) IBM Corporation 2023 */ |
| |
| #ifndef DRIVERS_FSI_MASTER_I2CR_H |
| #define DRIVERS_FSI_MASTER_I2CR_H |
| |
| #include <linux/i2c.h> |
| #include <linux/mutex.h> |
| |
| #include "fsi-master.h" |
| |
| struct i2c_client; |
| |
| struct fsi_master_i2cr { |
| struct fsi_master master; |
| struct mutex lock; /* protect HW access */ |
| struct i2c_client *client; |
| }; |
| |
| #define to_fsi_master_i2cr(m) container_of(m, struct fsi_master_i2cr, master) |
| |
| int fsi_master_i2cr_read(struct fsi_master_i2cr *i2cr, u32 addr, u64 *data); |
| int fsi_master_i2cr_write(struct fsi_master_i2cr *i2cr, u32 addr, u64 data); |
| |
| static inline bool is_fsi_master_i2cr(struct fsi_master *master) |
| { |
| if (master->dev.parent && master->dev.parent->type == &i2c_client_type) |
| return true; |
| |
| return false; |
| } |
| |
| #endif /* DRIVERS_FSI_MASTER_I2CR_H */ |