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#ifndef __BACKPORT_LINUX_THERMAL_H
#define __BACKPORT_LINUX_THERMAL_H
#include_next <linux/thermal.h>
#include <linux/version.h>
#if LINUX_VERSION_IS_LESS(3,8,0)
#include <linux/errno.h>
#include <linux/err.h>
enum thermal_trend {
THERMAL_TREND_STABLE, /* temperature is stable */
THERMAL_TREND_RAISING, /* temperature is raising */
THERMAL_TREND_DROPPING, /* temperature is dropping */
THERMAL_TREND_RAISE_FULL, /* apply highest cooling action */
THERMAL_TREND_DROP_FULL, /* apply lowest cooling action */
};
struct backport_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 *, int *);
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, int *);
int (*set_trip_temp) (struct thermal_zone_device *, int, int);
int (*get_trip_hyst) (struct thermal_zone_device *, int, int *);
int (*set_trip_hyst) (struct thermal_zone_device *, int, int);
int (*get_crit_temp) (struct thermal_zone_device *, int *);
int (*set_emul_temp) (struct thermal_zone_device *, int);
int (*get_trend) (struct thermal_zone_device *, int,
enum thermal_trend *);
int (*notify) (struct thermal_zone_device *, int,
enum thermal_trip_type);
};
#define thermal_zone_device_ops LINUX_BACKPORT(thermal_zone_device_ops)
struct thermal_bind_params {
struct thermal_cooling_device *cdev;
int weight;
int trip_mask;
int (*match)(struct thermal_zone_device *tz,
struct thermal_cooling_device *cdev);
};
struct thermal_zone_params {
int num_tbps;
struct thermal_bind_params *tbp;
};
static inline struct thermal_zone_device *
backport_thermal_zone_device_register(const char *type, int trips, int mask,
void *devdata,
struct thermal_zone_device_ops *ops,
const struct thermal_zone_params *tzp,
int passive_delay, int polling_delay)
{
return ERR_PTR(-EOPNOTSUPP);
}
#define thermal_zone_device_register backport_thermal_zone_device_register
static inline void thermal_notify_framework(struct thermal_zone_device *tz,
int trip)
{ }
#else /* < 3.8.0 */
#if LINUX_VERSION_IS_LESS(3,10,0)
#define thermal_notify_framework notify_thermal_framework
#endif /* LINUX_VERSION_IS_LESS(3,10,0) */
#if LINUX_VERSION_IS_LESS(4,3,0)
typedef struct thermal_zone_device_ops old_thermal_zone_device_ops_t;
/* also add a way to call the old register and unregister functions */
static inline struct thermal_zone_device *old_thermal_zone_device_register(
const char *type, int trips, int mask, void *devdata,
old_thermal_zone_device_ops_t *_ops,
const struct thermal_zone_params *_tzp,
int passive_delay, int polling_delay)
{
struct thermal_zone_device_ops *ops =
(struct thermal_zone_device_ops *) _ops;
/* cast the const away */
struct thermal_zone_params *tzp =
(struct thermal_zone_params *)_tzp;
return thermal_zone_device_register(type, trips, mask, devdata,
ops, tzp, passive_delay,
polling_delay);
}
static inline
void old_thermal_zone_device_unregister(struct thermal_zone_device *dev)
{
thermal_zone_device_unregister(dev);
}
struct backport_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 *, int *);
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, int *);
int (*set_trip_temp) (struct thermal_zone_device *, int, int);
int (*get_trip_hyst) (struct thermal_zone_device *, int, int *);
int (*set_trip_hyst) (struct thermal_zone_device *, int, int);
int (*get_crit_temp) (struct thermal_zone_device *, int *);
int (*set_emul_temp) (struct thermal_zone_device *, int);
int (*get_trend) (struct thermal_zone_device *, int,
enum thermal_trend *);
int (*notify) (struct thermal_zone_device *, int,
enum thermal_trip_type);
};
#define thermal_zone_device_ops LINUX_BACKPORT(thermal_zone_device_ops)
#undef thermal_zone_device_register
struct thermal_zone_device *backport_thermal_zone_device_register(
const char *type, int trips, int mask, void *devdata,
struct thermal_zone_device_ops *ops,
const struct thermal_zone_params *tzp,
int passive_delay, int polling_delay);
#define thermal_zone_device_register \
LINUX_BACKPORT(thermal_zone_device_register)
#undef thermal_zone_device_unregister
void backport_thermal_zone_device_unregister(struct thermal_zone_device *);
#define thermal_zone_device_unregister \
LINUX_BACKPORT(thermal_zone_device_unregister)
#endif /* LINUX_VERSION_IS_LESS(4,3,0) */
#endif /* ! < 3.8.0 */
#endif /* __BACKPORT_LINUX_THERMAL_H */
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