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/*
* drivers/misc/tegra-profiler/quadd.h
*
* Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
*/
#ifndef __QUADD_H
#define __QUADD_H
#include <linux/tegra_profiler.h>
/* #define QUADD_USE_EMULATE_COUNTERS 1 */
struct event_data;
struct quadd_comm_data_interface;
struct quadd_hrt_ctx;
struct quadd_module_state;
struct quadd_arch_info;
struct quadd_event_source_interface {
int (*enable)(void);
void (*disable)(void);
void (*start)(void);
void (*stop)(void);
int (*read)(struct event_data *events, int max_events);
int (*set_events)(int *events, int size);
int (*get_supported_events)(int *events, int max_events);
int (*get_current_events)(int *events, int max_events);
struct quadd_arch_info * (*get_arch)(void);
};
struct source_info {
int supported_events[QUADD_MAX_COUNTERS];
int nr_supported_events;
int active;
};
struct quadd_ctx {
struct quadd_parameters param;
struct quadd_comm_cap cap;
struct quadd_event_source_interface *pmu;
struct source_info pmu_info;
struct quadd_event_source_interface *pl310;
struct source_info pl310_info;
struct quadd_comm_data_interface *comm;
struct quadd_hrt_ctx *hrt;
atomic_t started;
atomic_t tegra_profiler_lock;
int collect_kernel_ips;
};
void quadd_get_state(struct quadd_module_state *state);
int tegra_profiler_try_lock(void);
void tegra_profiler_unlock(void);
#endif /* __QUADD_H */
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