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authorIru Cai <mytbk920423@gmail.com>2019-10-30 14:21:52 +0800
committerIru Cai <mytbk920423@gmail.com>2019-10-30 14:48:38 +0800
commitae51f41d14f548d494ac41e0d21137c5a4c3f59c (patch)
tree6ddb9d1aaa7bd5bad5bbf8497edc2e08ff208d79 /include/w1-eeprom.h
downloaduext4-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.h33
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