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/drivers/w1/slaves/w1_ds2760.h

https://bitbucket.org/cyanogenmod/android_kernel_asus_tf300t
C Header | 57 lines | 39 code | 6 blank | 12 comment | 0 complexity | 0a4f975a99d6104a5e07fa2c61cdb9ed MD5 | raw file
Possible License(s): LGPL-2.0, AGPL-1.0, GPL-2.0
 1/*
 2 * 1-Wire implementation for the ds2760 chip
 3 *
 4 * Copyright © 2004-2005, Szabolcs Gyurko <szabolcs.gyurko@tlt.hu>
 5 *
 6 * Use consistent with the GNU GPL is permitted,
 7 * provided that this copyright notice is
 8 * preserved in its entirety in all copies and derived works.
 9 *
10 */
11
12#ifndef __w1_ds2760_h__
13#define __w1_ds2760_h__
14
15/* Known commands to the DS2760 chip */
16#define W1_DS2760_SWAP			0xAA
17#define W1_DS2760_READ_DATA		0x69
18#define W1_DS2760_WRITE_DATA		0x6C
19#define W1_DS2760_COPY_DATA		0x48
20#define W1_DS2760_RECALL_DATA		0xB8
21#define W1_DS2760_LOCK			0x6A
22
23/* Number of valid register addresses */
24#define DS2760_DATA_SIZE		0x40
25
26#define DS2760_PROTECTION_REG		0x00
27#define DS2760_STATUS_REG		0x01
28	#define DS2760_STATUS_IE	(1 << 2)
29	#define DS2760_STATUS_SWEN	(1 << 3)
30	#define DS2760_STATUS_RNAOP	(1 << 4)
31	#define DS2760_STATUS_PMOD	(1 << 5)
32#define DS2760_EEPROM_REG		0x07
33#define DS2760_SPECIAL_FEATURE_REG	0x08
34#define DS2760_VOLTAGE_MSB		0x0c
35#define DS2760_VOLTAGE_LSB		0x0d
36#define DS2760_CURRENT_MSB		0x0e
37#define DS2760_CURRENT_LSB		0x0f
38#define DS2760_CURRENT_ACCUM_MSB	0x10
39#define DS2760_CURRENT_ACCUM_LSB	0x11
40#define DS2760_TEMP_MSB			0x18
41#define DS2760_TEMP_LSB			0x19
42#define DS2760_EEPROM_BLOCK0		0x20
43#define DS2760_ACTIVE_FULL		0x20
44#define DS2760_EEPROM_BLOCK1		0x30
45#define DS2760_STATUS_WRITE_REG		0x31
46#define DS2760_RATED_CAPACITY		0x32
47#define DS2760_CURRENT_OFFSET_BIAS	0x33
48#define DS2760_ACTIVE_EMPTY		0x3b
49
50extern int w1_ds2760_read(struct device *dev, char *buf, int addr,
51			  size_t count);
52extern int w1_ds2760_write(struct device *dev, char *buf, int addr,
53			   size_t count);
54extern int w1_ds2760_store_eeprom(struct device *dev, int addr);
55extern int w1_ds2760_recall_eeprom(struct device *dev, int addr);
56
57#endif /* !__w1_ds2760_h__ */