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/* Copyright (c) 2008-2015, The Linux Foundation. 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 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that 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 __ADRENO_PERFCOUNTER_H
#define __ADRENO_PERFCOUNTER_H
#include "adreno.h"
struct adreno_device;
/* ADRENO_PERFCOUNTERS - Given an adreno device, return the perfcounters list */
#define ADRENO_PERFCOUNTERS(_a) \
(ADRENO_GPU_DEVICE(_a) ? ADRENO_GPU_DEVICE(_a)->perfcounters : NULL)
#define PERFCOUNTER_FLAG_NONE 0x0
#define PERFCOUNTER_FLAG_KERNEL 0x1
/* Structs to maintain the list of active performance counters */
/**
* struct adreno_perfcount_register: register state
* @countable: countable the register holds
* @kernelcount: number of user space users of the register
* @usercount: number of kernel users of the register
* @offset: register hardware offset
* @load_bit: The bit number in LOAD register which corresponds to this counter
* @select: The countable register offset
* @value: The 64 bit countable register value
*/
struct adreno_perfcount_register {
unsigned int countable;
unsigned int kernelcount;
unsigned int usercount;
unsigned int offset;
unsigned int offset_hi;
int load_bit;
unsigned int select;
uint64_t value;
};
/**
* struct adreno_perfcount_group: registers for a hardware group
* @regs: available registers for this group
* @reg_count: total registers for this group
* @name: group name for this group
*/
struct adreno_perfcount_group {
struct adreno_perfcount_register *regs;
unsigned int reg_count;
const char *name;
unsigned long flags;
};
/*
* ADRENO_PERFCOUNTER_GROUP_FIXED indicates that a perfcounter group is fixed -
* instead of having configurable countables like the other groups, registers in
* fixed groups have a hardwired countable. So when the user requests a
* countable in one of these groups, that countable should be used as the
* register offset to return
*/
#define ADRENO_PERFCOUNTER_GROUP_FIXED BIT(0)
/**
* adreno_perfcounts: all available perfcounter groups
* @groups: available groups for this device
* @group_count: total groups for this device
*/
struct adreno_perfcounters {
struct adreno_perfcount_group *groups;
unsigned int group_count;
};
/**
* adreno_invalid_countabless: Invalid countables that do not work properly
* @countables: List of unusable countables
* @num_countables: Number of unusable countables
*/
struct adreno_invalid_countables {
const unsigned int *countables;
int num_countables;
};
#define ADRENO_PERFCOUNTER_GROUP_FLAGS(core, offset, name, flags) \
[KGSL_PERFCOUNTER_GROUP_##offset] = { core##_perfcounters_##name, \
ARRAY_SIZE(core##_perfcounters_##name), __stringify(name), flags }
#define ADRENO_PERFCOUNTER_GROUP(core, offset, name) \
ADRENO_PERFCOUNTER_GROUP_FLAGS(core, offset, name, 0)
#define ADRENO_POWER_COUNTER_GROUP(core, offset, name) \
[KGSL_PERFCOUNTER_GROUP_##offset##_PWR] = { core##_pwrcounters_##name, \
ARRAY_SIZE(core##_pwrcounters_##name), __stringify(name##_pwr), 0}
#define ADRENO_PERFCOUNTER_INVALID_COUNTABLE(name, off) \
[KGSL_PERFCOUNTER_GROUP_##off] = { name##_invalid_countables, \
ARRAY_SIZE(name##_invalid_countables) }
int adreno_perfcounter_query_group(struct adreno_device *adreno_dev,
unsigned int groupid, unsigned int __user *countables,
unsigned int count, unsigned int *max_counters);
int adreno_perfcounter_read_group(struct adreno_device *adreno_dev,
struct kgsl_perfcounter_read_group __user *reads, unsigned int count);
void adreno_perfcounter_close(struct adreno_device *adreno_dev);
void adreno_perfcounter_restore(struct adreno_device *adreno_dev);
void adreno_perfcounter_save(struct adreno_device *adreno_dev);
void adreno_perfcounter_start(struct adreno_device *adreno_dev);
void adreno_perfcounter_init(struct adreno_device *adreno_dev);
int adreno_perfcounter_get_groupid(struct adreno_device *adreno_dev,
const char *name);
uint64_t adreno_perfcounter_read(struct adreno_device *adreno_dev,
unsigned int group, unsigned int counter);
const char *adreno_perfcounter_get_name(struct adreno_device
*adreno_dev, unsigned int groupid);
int adreno_perfcounter_get(struct adreno_device *adreno_dev,
unsigned int groupid, unsigned int countable, unsigned int *offset,
unsigned int *offset_hi, unsigned int flags);
int adreno_perfcounter_put(struct adreno_device *adreno_dev,
unsigned int groupid, unsigned int countable, unsigned int flags);
#endif /* __ADRENO_PERFCOUNTER_H */
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