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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/arm/include/asm/therm.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/include/asm/therm.h')
-rw-r--r--arch/arm/include/asm/therm.h29
1 files changed, 29 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..17b0bc9b5
--- /dev/null
+++ b/arch/arm/include/asm/therm.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * 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