| /* 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 |