| /* SPDX-License-Identifier: GPL-2.0+ |
| * |
| * Copyright (c) 2015 Free Electrons |
| * Copyright (c) 2015 NextThing Co |
| * |
| */ |
| |
| #ifndef __W1_H |
| #define __W1_H |
| |
| #include <dm.h> |
| |
| #define W1_FAMILY_DS24B33 0x23 |
| #define W1_FAMILY_DS2431 0x2d |
| #define W1_FAMILY_DS2502 0x09 |
| #define W1_FAMILY_EEP_SANDBOX 0xfe |
| |
| struct w1_device { |
| u64 id; |
| }; |
| |
| struct w1_ops { |
| u8 (*read_byte)(struct udevice *dev); |
| bool (*reset)(struct udevice *dev); |
| u8 (*triplet)(struct udevice *dev, bool bdir); |
| void (*write_byte)(struct udevice *dev, u8 byte); |
| }; |
| |
| int w1_get_bus(int busnum, struct udevice **busp); |
| u8 w1_get_device_family(struct udevice *dev); |
| |
| int w1_read_buf(struct udevice *dev, u8 *buf, unsigned int count); |
| int w1_read_byte(struct udevice *dev); |
| int w1_reset_select(struct udevice *dev); |
| int w1_write_buf(struct udevice *dev, u8 *buf, unsigned int count); |
| int w1_write_byte(struct udevice *dev, u8 byte); |
| |
| #endif |
