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author | Iru Cai <mytbk920423@gmail.com> | 2019-10-30 14:21:52 +0800 |
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committer | Iru Cai <mytbk920423@gmail.com> | 2019-10-30 14:48:38 +0800 |
commit | ae51f41d14f548d494ac41e0d21137c5a4c3f59c (patch) | |
tree | 6ddb9d1aaa7bd5bad5bbf8497edc2e08ff208d79 /include/w1-eeprom.h | |
download | uext4-ae51f41d14f548d494ac41e0d21137c5a4c3f59c.tar.xz |
import the U-Boot code and make it compile
Diffstat (limited to 'include/w1-eeprom.h')
-rw-r--r-- | include/w1-eeprom.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/w1-eeprom.h b/include/w1-eeprom.h new file mode 100644 index 0000000..2233736 --- /dev/null +++ b/include/w1-eeprom.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0+ + * + * Copyright (c) 2015 Free Electrons + * Copyright (c) 2015 NextThing Co + * Copyright (c) 2018 Microchip Technology, Inc. + * + */ + +#ifndef __W1_EEPROM_H +#define __W1_EEPROM_H + +struct udevice; + +struct w1_eeprom_ops { + /* + * Reads a buff from the given EEPROM memory, starting at + * given offset and place the results into the given buffer. + * Should read given count of bytes. + * Should return 0 on success, and normal error.h on error + */ + int (*read_buf)(struct udevice *dev, unsigned int offset, + u8 *buf, unsigned int count); +}; + +int w1_eeprom_read_buf(struct udevice *dev, unsigned int offset, + u8 *buf, unsigned int count); + +int w1_eeprom_dm_init(void); + +int w1_eeprom_register_new_device(u64 id); + +int w1_eeprom_get_id(struct udevice *dev, u64 *id); +#endif |