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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/arm/include/asm/therm.h
Initial import
Diffstat (limited to 'arch/arm/include/asm/therm.h')
-rw-r--r--arch/arm/include/asm/therm.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/include/asm/therm.h b/arch/arm/include/asm/therm.h
new file mode 100644
index 000000000..f002f0197
--- /dev/null
+++ b/arch/arm/include/asm/therm.h
@@ -0,0 +1,28 @@
+/*
+ * arch/arm/include/asm/therm.h: Definitions for Dallas Semiconductor
+ * DS1620 thermometer driver (as used in the Rebel.com NetWinder)
+ */
+#ifndef __ASM_THERM_H
+#define __ASM_THERM_H
+
+/* ioctl numbers for /dev/therm */
+#define CMD_SET_THERMOSTATE 0x53
+#define CMD_GET_THERMOSTATE 0x54
+#define CMD_GET_STATUS 0x56
+#define CMD_GET_TEMPERATURE 0x57
+#define CMD_SET_THERMOSTATE2 0x58
+#define CMD_GET_THERMOSTATE2 0x59
+#define CMD_GET_TEMPERATURE2 0x5a
+#define CMD_GET_FAN 0x5b
+#define CMD_SET_FAN 0x5c
+
+#define FAN_OFF 0
+#define FAN_ON 1
+#define FAN_ALWAYS_ON 2
+
+struct therm {
+ int hi;
+ int lo;
+};
+
+#endif