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authorAkshay Saraswat <akshay.s@samsung.com>2013-02-25 01:13:00 +0000
committerMinkyu Kang <mk7.kang@samsung.com>2013-03-12 17:06:03 +0900
commit39d182d3de5dcfaeb7d6997be4ab764081ff529e (patch)
treef5add23ca4bf9948c6cdef10ddb8183a64fcf905 /include/tmu.h
parent07f17507c4309d3ccc1fbfd912d078a9ca609aba (diff)
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Exynos5: TMU: Add driver for Thermal Management Unit
Adding Exynos Thermal Management Unit driver to monitor SOC temperature and take actions corresponding to states of TMU. Signed-off-by: Akshay Saraswat <akshay.s@samsung.com> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'include/tmu.h')
-rw-r--r--include/tmu.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/include/tmu.h b/include/tmu.h
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+/*
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ * Akshay Saraswat <akshay.s@samsung.com>
+ *
+ * Thermal Management Unit
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _TMU_H
+#define _TMU_H
+
+enum tmu_status_t {
+ TMU_STATUS_INIT = -1,
+ TMU_STATUS_NORMAL = 0,
+ TMU_STATUS_WARNING,
+ TMU_STATUS_TRIPPED,
+};
+
+/*
+ * Monitors status of the TMU device and exynos temperature
+ *
+ * @param temp pointer to the current temperature value
+ * @return enum tmu_status_t value, code indicating event to execute
+ * and -1 on error
+ */
+enum tmu_status_t tmu_monitor(int *temp);
+
+/*
+ * Initialize TMU device
+ *
+ * @param blob FDT blob
+ * @return int value, 0 for success
+ */
+int tmu_init(const void *blob);
+#endif /* _THERMAL_H_ */