From ef87394791206019e4e4e04cb746865f2dc115ed Mon Sep 17 00:00:00 2001 From: Durgadoss R Date: Tue, 18 Sep 2012 11:04:55 +0530 Subject: [PATCH] Thermal: Add platform level information to thermal.h This patch adds platform level information to thermal.h by introducing two structures to hold: * bind parameters for a thermal zone, * zone level platform parameters Signed-off-by: Durgadoss R Signed-off-by: Zhang Rui --- include/linux/thermal.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 32af124d23c..4caa32e400b 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -157,6 +157,7 @@ struct thermal_zone_device { int passive; unsigned int forced_passive; const struct thermal_zone_device_ops *ops; + const struct thermal_zone_params *tzp; struct list_head thermal_instances; struct idr idr; struct mutex lock; /* protect thermal_instances list */ @@ -164,6 +165,34 @@ struct thermal_zone_device { struct delayed_work poll_queue; }; +/* Structure that holds binding parameters for a zone */ +struct thermal_bind_params { + struct thermal_cooling_device *cdev; + + /* + * This is a measure of 'how effectively these devices can + * cool 'this' thermal zone. The shall be determined by platform + * characterization. This is on a 'percentage' scale. + * See Documentation/thermal/sysfs-api.txt for more information. + */ + int weight; + + /* + * This is a bit mask that gives the binding relation between this + * thermal zone and cdev, for a particular trip point. + * See Documentation/thermal/sysfs-api.txt for more information. + */ + int trip_mask; + int (*match) (struct thermal_zone_device *tz, + struct thermal_cooling_device *cdev); +}; + +/* Structure to define Thermal Zone parameters */ +struct thermal_zone_params { + int num_tbps; /* Number of tbp entries */ + struct thermal_bind_params *tbp; +}; + struct thermal_genl_event { u32 orig; enum events event;