Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / w1 / slaves / w1_ds2760.h
diff --git a/kernel/drivers/w1/slaves/w1_ds2760.h b/kernel/drivers/w1/slaves/w1_ds2760.h
new file mode 100644 (file)
index 0000000..58e7741
--- /dev/null
@@ -0,0 +1,57 @@
+/*
+ * 1-Wire implementation for the ds2760 chip
+ *
+ * Copyright © 2004-2005, Szabolcs Gyurko <szabolcs.gyurko@tlt.hu>
+ *
+ * Use consistent with the GNU GPL is permitted,
+ * provided that this copyright notice is
+ * preserved in its entirety in all copies and derived works.
+ *
+ */
+
+#ifndef __w1_ds2760_h__
+#define __w1_ds2760_h__
+
+/* Known commands to the DS2760 chip */
+#define W1_DS2760_SWAP                 0xAA
+#define W1_DS2760_READ_DATA            0x69
+#define W1_DS2760_WRITE_DATA           0x6C
+#define W1_DS2760_COPY_DATA            0x48
+#define W1_DS2760_RECALL_DATA          0xB8
+#define W1_DS2760_LOCK                 0x6A
+
+/* Number of valid register addresses */
+#define DS2760_DATA_SIZE               0x40
+
+#define DS2760_PROTECTION_REG          0x00
+#define DS2760_STATUS_REG              0x01
+       #define DS2760_STATUS_IE        (1 << 2)
+       #define DS2760_STATUS_SWEN      (1 << 3)
+       #define DS2760_STATUS_RNAOP     (1 << 4)
+       #define DS2760_STATUS_PMOD      (1 << 5)
+#define DS2760_EEPROM_REG              0x07
+#define DS2760_SPECIAL_FEATURE_REG     0x08
+#define DS2760_VOLTAGE_MSB             0x0c
+#define DS2760_VOLTAGE_LSB             0x0d
+#define DS2760_CURRENT_MSB             0x0e
+#define DS2760_CURRENT_LSB             0x0f
+#define DS2760_CURRENT_ACCUM_MSB       0x10
+#define DS2760_CURRENT_ACCUM_LSB       0x11
+#define DS2760_TEMP_MSB                        0x18
+#define DS2760_TEMP_LSB                        0x19
+#define DS2760_EEPROM_BLOCK0           0x20
+#define DS2760_ACTIVE_FULL             0x20
+#define DS2760_EEPROM_BLOCK1           0x30
+#define DS2760_STATUS_WRITE_REG                0x31
+#define DS2760_RATED_CAPACITY          0x32
+#define DS2760_CURRENT_OFFSET_BIAS     0x33
+#define DS2760_ACTIVE_EMPTY            0x3b
+
+extern int w1_ds2760_read(struct device *dev, char *buf, int addr,
+                         size_t count);
+extern int w1_ds2760_write(struct device *dev, char *buf, int addr,
+                          size_t count);
+extern int w1_ds2760_store_eeprom(struct device *dev, int addr);
+extern int w1_ds2760_recall_eeprom(struct device *dev, int addr);
+
+#endif /* !__w1_ds2760_h__ */