android_kernel_samsung_msm8976/include/linux/msm_adreno_devfreq.h
Lucille Sylvester 4fa91be7e4 msm: kgsl: Add a path for dynamic AB bus votes
Modify the power control code and vbif_bw governor
to allow dynamic AB votes to be set with each GPU
IB vote.  As a placeholder set a static AB vote of
one fourth the IB vote.

Change-Id: I3edb430f9a4545f008ec81b75ddff3c717e91e39
Signed-off-by: Lucille Sylvester <lsylvest@codeaurora.org>
2014-12-01 10:46:39 -07:00

73 lines
1.6 KiB
C

#ifndef MSM_ADRENO_DEVFREQ_H
#define MSM_ADRENO_DEVFREQ_H
#include <linux/devfreq.h>
#include <linux/notifier.h>
#define ADRENO_DEVFREQ_NOTIFY_SUBMIT 1
#define ADRENO_DEVFREQ_NOTIFY_RETIRE 2
#define ADRENO_DEVFREQ_NOTIFY_IDLE 3
struct device;
int kgsl_devfreq_add_notifier(struct device *, struct notifier_block *);
int kgsl_devfreq_del_notifier(struct device *, struct notifier_block *);
/* same as KGSL_MAX_PWRLEVELS */
#define MSM_ADRENO_MAX_PWRLEVELS 10
struct xstats {
u64 ram_time;
u64 ram_wait;
int mod;
};
struct devfreq_msm_adreno_tz_data {
struct notifier_block nb;
struct {
s64 total_time;
s64 busy_time;
} bin;
struct {
u64 total_time;
u64 ram_time;
u64 ram_wait;
u64 gpu_time;
u32 num;
u32 max;
u32 up[MSM_ADRENO_MAX_PWRLEVELS];
u32 down[MSM_ADRENO_MAX_PWRLEVELS];
u32 p_up[MSM_ADRENO_MAX_PWRLEVELS];
u32 p_down[MSM_ADRENO_MAX_PWRLEVELS];
unsigned int *index;
uint64_t *ib;
} bus;
unsigned int device_id;
bool is_64;
};
struct msm_adreno_extended_profile {
struct devfreq_msm_adreno_tz_data *private_data;
struct devfreq *bus_devfreq;
struct workqueue_struct *partner_wq;
struct work_struct partner_start_event_ws;
struct work_struct partner_stop_event_ws;
struct work_struct partner_suspend_event_ws;
struct work_struct partner_resume_event_ws;
struct devfreq_dev_profile profile;
};
struct msm_busmon_extended_profile {
u32 flag;
unsigned long percent_ab;
struct devfreq_msm_adreno_tz_data *private_data;
struct devfreq_dev_profile profile;
};
#ifdef CONFIG_DEVFREQ_GOV_MSM_GPUBW_MON
int devfreq_vbif_update_bw(unsigned long ib, unsigned long ab);
int devfreq_vbif_register_callback(void *);
#endif
#endif