diff options
author | Jon Medhurst <tixy@linaro.org> | 2014-08-04 11:24:17 +0100 |
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committer | Mark Brown <broonie@linaro.org> | 2014-08-21 22:27:58 -0500 |
commit | e49849053ac342ce82c92aa0d2244e4767fd1fbb (patch) | |
tree | fa23ecc5f9f974e22264aca23032f3243053b0e5 /drivers/gator/gator_events_mali_common.h | |
parent | 455c6fdbd219161bd09b1165f11699d6d73de11c (diff) |
gator: Version 5.19
Signed-off-by: Jon Medhurst <tixy@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/gator/gator_events_mali_common.h')
-rw-r--r-- | drivers/gator/gator_events_mali_common.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/gator/gator_events_mali_common.h b/drivers/gator/gator_events_mali_common.h new file mode 100644 index 000000000000..91d871bc915a --- /dev/null +++ b/drivers/gator/gator_events_mali_common.h @@ -0,0 +1,78 @@ +/** + * Copyright (C) ARM Limited 2012-2014. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#if !defined(GATOR_EVENTS_MALI_COMMON_H) +#define GATOR_EVENTS_MALI_COMMON_H + +#include "gator.h" + +#include <linux/module.h> +#include <linux/time.h> +#include <linux/math64.h> +#include <linux/slab.h> +#include <asm/io.h> + +/* Ensure that MALI_SUPPORT has been defined to something. */ +#ifndef MALI_SUPPORT +#error MALI_SUPPORT not defined! +#endif + +/* Values for the supported activity event types */ +#define ACTIVITY_START (1) +#define ACTIVITY_STOP (2) + +/* + * Runtime state information for a counter. + */ +typedef struct { + // 'key' (a unique id set by gatord and returned by gator.ko) + unsigned long key; + // counter enable state + unsigned long enabled; + // for activity counters, the number of cores, otherwise -1 + unsigned long cores; +} mali_counter; + +/* + * Mali-4xx + */ +typedef int mali_profiling_set_event_type(unsigned int, int); +typedef void mali_profiling_control_type(unsigned int, unsigned int); +typedef void mali_profiling_get_counters_type(unsigned int *, unsigned int *, unsigned int *, unsigned int *); + +/* + * Driver entry points for functions called directly by gator. + */ +extern int _mali_profiling_set_event(unsigned int, int); +extern void _mali_profiling_control(unsigned int, unsigned int); +extern void _mali_profiling_get_counters(unsigned int *, unsigned int *, unsigned int *, unsigned int *); + +/** + * Creates a filesystem entry under /dev/gator relating to the specified event name and key, and + * associate the key/enable values with this entry point. + * + * @param event_name The name of the event. + * @param sb Linux super block + * @param root Directory under which the entry will be created. + * @param counter_key Ptr to location which will be associated with the counter key. + * @param counter_enabled Ptr to location which will be associated with the counter enable state. + * + * @return 0 if entry point was created, non-zero if not. + */ +extern int gator_mali_create_file_system(const char *mali_name, const char *event_name, struct super_block *sb, struct dentry *root, mali_counter *counter, unsigned long *event); + +/** + * Initializes the counter array. + * + * @param keys The array of counters + * @param n_counters The number of entries in each of the arrays. + */ +extern void gator_mali_initialise_counters(mali_counter counters[], unsigned int n_counters); + +#endif /* GATOR_EVENTS_MALI_COMMON_H */ |