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/*
* Copyright (C) 2010-2012 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"
#ifdef CONFIG_CPU_EXYNOS4210
#define MALI_DVFS_STEPS 3
#else
#define MALI_DVFS_STEPS 5
#endif
/* @Enable or Disable Mali GPU Bottom Lock feature */
#define MALI_GPU_BOTTOM_LOCK 1
#define MALI_VOLTAGE_LOCK 1
/* @Enable or Disable the CPU frequency lock when the GPU clock is 440 Mhz */
#define CPUFREQ_LOCK_DURING_440 0
#ifdef __cplusplus
extern "C" {
#endif
/** @brief description of power change reasons
*/
typedef enum mali_power_mode_tag
{
MALI_POWER_MODE_ON, /**< Power Mali on */
MALI_POWER_MODE_LIGHT_SLEEP, /**< Mali has been idle for a short time, or runtime PM suspend */
MALI_POWER_MODE_DEEP_SLEEP, /**< Mali has been idle for a long time, or OS suspend */
} 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
*
* Notification from the Mali device driver stating the new desired power mode.
* MALI_POWER_MODE_ON must be obeyed, while the other modes are optional.
* @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);
void mali_utilization_suspend(void);
#ifdef CONFIG_REGULATOR
int mali_regulator_get_usecount(void);
void mali_regulator_disable(void);
void mali_regulator_enable(void);
void mali_regulator_set_voltage(int min_uV, int max_uV);
#endif
mali_bool mali_clk_set_rate(unsigned int clk, unsigned int mhz);
unsigned long mali_clk_get_rate(void);
void mali_clk_put(mali_bool binc_mali_clk);
#if MALI_PMM_RUNTIME_JOB_CONTROL_ON
_mali_osk_errcode_t mali_platform_powerdown(u32 cores);
_mali_osk_errcode_t mali_platform_powerup(u32 cores);
#endif
#if USING_MALI_PMM
#if MALI_POWER_MGMT_TEST_SUITE
/** @brief function to get status of individual cores
*
* This function is used by power management test suite to get the status of powered up/down the number
* of cores
* @param utilization The workload utilization of the Mali GPU. 0 = no utilization, 256 = full utilization.
*/
u32 pmu_get_power_up_down_info(void);
#endif
#endif
#if MALI_DVFS_ENABLED
mali_bool init_mali_dvfs_status(int step);
void deinit_mali_dvfs_status(void);
mali_bool mali_dvfs_handler(u32 utilization);
int mali_dvfs_is_running(void);
void mali_dvfs_late_resume(void);
int get_mali_dvfs_control_status(void);
mali_bool set_mali_dvfs_current_step(unsigned int step);
void mali_default_step_set(int step, mali_bool boostup);
int change_dvfs_tableset(int change_clk, int change_step);
#ifdef CONFIG_CPU_EXYNOS4210
#if MALI_GPU_BOTTOM_LOCK
int mali_dvfs_bottom_lock_push(void);
int mali_dvfs_bottom_lock_pop(void);
#endif
#else
int mali_dvfs_bottom_lock_push(int lock_step);
int mali_dvfs_bottom_lock_pop(void);
#endif
#endif
int mali_dvfs_get_vol(int step);
#if MALI_VOLTAGE_LOCK
int mali_voltage_lock_push(int lock_vol);
int mali_voltage_lock_pop(void);
int mali_voltage_lock_init(void);
int mali_vol_get_from_table(int vol);
#endif
#ifdef __cplusplus
}
#endif
#endif
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