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/*
* Copyright (C) 2010-2011 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
*
* A copy of the licence is included with the program, and can also be obtained from Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* @file mali_platform.h
* Platform specific Mali driver functions
*/
#ifndef __MALI_PLATFORM_H__
#define __MALI_PLATFORM_H__
#include "mali_osk.h"
#if !USING_MALI_PMM
/* @brief System power up/down cores that can be passed into mali_platform_powerdown/up() */
#define MALI_PLATFORM_SYSTEM 0
#endif
#ifdef __cplusplus
extern "C" {
#endif
/** @brief description of power change reasons
*/
typedef enum mali_power_mode_tag
{
MALI_POWER_MODE_ON,
MALI_POWER_MODE_LIGHT_SLEEP,
MALI_POWER_MODE_DEEP_SLEEP,
} mali_power_mode;
/** @brief Platform specific setup and initialisation of MALI
*
* This is called from the entrypoint of the driver to initialize the platform
*
* @return _MALI_OSK_ERR_OK on success otherwise, a suitable _mali_osk_errcode_t error.
*/
_mali_osk_errcode_t mali_platform_init(void);
/** @brief Platform specific deinitialisation of MALI
*
* This is called on the exit of the driver to terminate the platform
*
* @return _MALI_OSK_ERR_OK on success otherwise, a suitable _mali_osk_errcode_t error.
*/
_mali_osk_errcode_t mali_platform_deinit(void);
/** @brief Platform specific powerdown sequence of MALI
*
* Call as part of platform init if there is no PMM support, else the
* PMM will call it.
* There are three power modes defined:
* 1) MALI_POWER_MODE_ON
* 2) MALI_POWER_MODE_LIGHT_SLEEP
* 3) MALI_POWER_MODE_DEEP_SLEEP
* MALI power management module transitions to MALI_POWER_MODE_LIGHT_SLEEP mode when MALI is idle
* for idle timer (software timer defined in mali_pmm_policy_jobcontrol.h) duration, MALI transitions
* to MALI_POWER_MODE_LIGHT_SLEEP mode during timeout if there are no more jobs queued.
* MALI power management module transitions to MALI_POWER_MODE_DEEP_SLEEP mode when OS does system power
* off.
* Customer has to add power down code when MALI transitions to MALI_POWER_MODE_LIGHT_SLEEP or MALI_POWER_MODE_DEEP_SLEEP
* mode.
* MALI_POWER_MODE_ON mode is entered when the MALI is to powered up. Some customers want to control voltage regulators during
* the whole system powers on/off. Customer can track in this function whether the MALI is powered up from
* MALI_POWER_MODE_LIGHT_SLEEP or MALI_POWER_MODE_DEEP_SLEEP mode and manage the voltage regulators as well.
* @param power_mode defines the power modes
* @return _MALI_OSK_ERR_OK on success otherwise, a suitable _mali_osk_errcode_t error.
*/
_mali_osk_errcode_t mali_platform_power_mode_change(mali_power_mode power_mode);
/** @brief Platform specific handling of GPU utilization data
*
* When GPU utilization data is enabled, this function will be
* periodically called.
*
* @param utilization The workload utilization of the Mali GPU. 0 = no utilization, 256 = full utilization.
*/
void mali_gpu_utilization_handler(u32 utilization);
/** @brief Setting the power domain of MALI
*
* This function sets the power domain of MALI if Linux run time power management is enabled
*
* @param dev Reference to struct platform_device (defined in linux) used by MALI GPU
*/
void set_mali_parent_power_domain(void* dev);
#ifdef __cplusplus
}
#endif
#endif
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