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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /include/linux/thermal.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'include/linux/thermal.h')
-rw-r--r--include/linux/thermal.h163
1 files changed, 163 insertions, 0 deletions
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
new file mode 100644
index 00000000..796f1ff0
--- /dev/null
+++ b/include/linux/thermal.h
@@ -0,0 +1,163 @@
+/*
+ * thermal.h ($Revision: 0 $)
+ *
+ * Copyright (C) 2008 Intel Corp
+ * Copyright (C) 2008 Zhang Rui <rui.zhang@intel.com>
+ * Copyright (C) 2008 Sujith Thomas <sujith.thomas@intel.com>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * 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 __THERMAL_H__
+#define __THERMAL_H__
+
+#include <linux/idr.h>
+#include <linux/device.h>
+#include <linux/workqueue.h>
+
+struct thermal_zone_device;
+struct thermal_cooling_device;
+
+enum thermal_device_mode {
+ THERMAL_DEVICE_DISABLED = 0,
+ THERMAL_DEVICE_ENABLED,
+};
+
+enum thermal_trip_type {
+ THERMAL_TRIP_ACTIVE = 0,
+ THERMAL_TRIP_PASSIVE,
+ THERMAL_TRIP_HOT,
+ THERMAL_TRIP_CRITICAL,
+};
+
+struct thermal_zone_device_ops {
+ int (*bind) (struct thermal_zone_device *,
+ struct thermal_cooling_device *);
+ int (*unbind) (struct thermal_zone_device *,
+ struct thermal_cooling_device *);
+ int (*get_temp) (struct thermal_zone_device *, unsigned long *);
+ int (*get_mode) (struct thermal_zone_device *,
+ enum thermal_device_mode *);
+ int (*set_mode) (struct thermal_zone_device *,
+ enum thermal_device_mode);
+ int (*get_trip_type) (struct thermal_zone_device *, int,
+ enum thermal_trip_type *);
+ int (*get_trip_temp) (struct thermal_zone_device *, int,
+ unsigned long *);
+ int (*get_crit_temp) (struct thermal_zone_device *, unsigned long *);
+ int (*notify) (struct thermal_zone_device *, int,
+ enum thermal_trip_type);
+};
+
+struct thermal_cooling_device_ops {
+ int (*get_max_state) (struct thermal_cooling_device *, unsigned long *);
+ int (*get_cur_state) (struct thermal_cooling_device *, unsigned long *);
+ int (*set_cur_state) (struct thermal_cooling_device *, unsigned long);
+};
+
+#define THERMAL_TRIPS_NONE -1
+#define THERMAL_MAX_TRIPS 12
+#define THERMAL_NAME_LENGTH 20
+struct thermal_cooling_device {
+ int id;
+ char type[THERMAL_NAME_LENGTH];
+ struct device device;
+ void *devdata;
+ const struct thermal_cooling_device_ops *ops;
+ struct list_head node;
+};
+
+#define KELVIN_TO_CELSIUS(t) (long)(((long)t-2732 >= 0) ? \
+ ((long)t-2732+5)/10 : ((long)t-2732-5)/10)
+#define CELSIUS_TO_KELVIN(t) ((t)*10+2732)
+
+struct thermal_zone_device {
+ int id;
+ char type[THERMAL_NAME_LENGTH];
+ struct device device;
+ void *devdata;
+ int trips;
+ int tc1;
+ int tc2;
+ int passive_delay;
+ int polling_delay;
+ int last_temperature;
+ bool passive;
+ unsigned int forced_passive;
+ const struct thermal_zone_device_ops *ops;
+ struct list_head cooling_devices;
+ struct idr idr;
+ struct mutex lock; /* protect cooling devices list */
+ struct list_head node;
+ struct delayed_work poll_queue;
+};
+/* Adding event notification support elements */
+#define THERMAL_GENL_FAMILY_NAME "thermal_event"
+#define THERMAL_GENL_VERSION 0x01
+#define THERMAL_GENL_MCAST_GROUP_NAME "thermal_mc_group"
+
+enum events {
+ THERMAL_AUX0,
+ THERMAL_AUX1,
+ THERMAL_CRITICAL,
+ THERMAL_DEV_FAULT,
+};
+
+struct thermal_genl_event {
+ u32 orig;
+ enum events event;
+};
+/* attributes of thermal_genl_family */
+enum {
+ THERMAL_GENL_ATTR_UNSPEC,
+ THERMAL_GENL_ATTR_EVENT,
+ __THERMAL_GENL_ATTR_MAX,
+};
+#define THERMAL_GENL_ATTR_MAX (__THERMAL_GENL_ATTR_MAX - 1)
+
+/* commands supported by the thermal_genl_family */
+enum {
+ THERMAL_GENL_CMD_UNSPEC,
+ THERMAL_GENL_CMD_EVENT,
+ __THERMAL_GENL_CMD_MAX,
+};
+#define THERMAL_GENL_CMD_MAX (__THERMAL_GENL_CMD_MAX - 1)
+
+struct thermal_zone_device *thermal_zone_device_register(char *, int, void *,
+ const struct thermal_zone_device_ops *, int tc1, int tc2,
+ int passive_freq, int polling_freq);
+void thermal_zone_device_unregister(struct thermal_zone_device *);
+
+int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,
+ struct thermal_cooling_device *);
+int thermal_zone_unbind_cooling_device(struct thermal_zone_device *, int,
+ struct thermal_cooling_device *);
+void thermal_zone_device_update(struct thermal_zone_device *);
+struct thermal_cooling_device *thermal_cooling_device_register(char *, void *,
+ const struct thermal_cooling_device_ops *);
+void thermal_cooling_device_unregister(struct thermal_cooling_device *);
+
+#ifdef CONFIG_NET
+extern int thermal_generate_netlink_event(u32 orig, enum events event);
+#else
+static inline int thermal_generate_netlink_event(u32 orig, enum events event)
+{
+ return 0;
+}
+#endif
+
+#endif /* __THERMAL_H__ */