+++ /dev/null
-/*
- * This confidential and proprietary software may be used only as
- * authorised by a licensing agreement from ARM Limited
- * (C) COPYRIGHT 2009-2012 ARM Limited
- * ALL RIGHTS RESERVED
- * The entire notice above must be reproduced on all authorised
- * copies and copies may only be made to the extent permitted
- * by a licensing agreement from ARM Limited.
- */
-
-/**
- * @file mali_platform.h
- * Platform specific Mali driver functions
- */
-
-#ifndef __MALI_PLATFORM_H__
-#define __MALI_PLATFORM_H__
-
-#include "mali_dvfs.h"
-#include "mali_osk.h"
-#include <linux/mali/mali_utgard.h>
-#include <linux/rockchip/dvfs.h>
-#include <linux/cpufreq.h>
-#include <linux/regulator/consumer.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * @brief
- * description of power change reasons
- */
-enum mali_power_mode {
- 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 */
-};
-
-/**
- * dvfs_level_t, 标识一个 dvfs_level (的具体配置).
- * .DP : dvfs_level.
- */
-struct mali_fv_info {
- /**
- * 当前 dvfs_level 使用的 gpu_clk_freq.
- */
- unsigned long freq;
- /**
- * .DP : min_mali_utilization_in_percentage_in_this_level.
- * 若当前的 mali_utilization_in_percentage
- * 小于 min_mali_utilization_in_percentage_in_this_level,
- * 则触发一次 requests_to_jump_down_in_dvfs_level_table,
- * 当 对 requests_to_jump_down_in_dvfs_level_table 的连续计数
- * (.DP : continuous_count_of_requests_to_jump_down) 达到一定数值,
- * 则 dvfs_facility 会下跳一个 level.
- */
- unsigned int min;
- /**
- * .DP : max_mali_utilization_in_percentage_in_this_level.
- * 若当前的 mali_utilization_in_percentage
- * 大于 max_mali_utilization_in_percentage_in_this_level,
- * 则触发一次 requests_to_jump_up_in_dvfs_level_table,
- * 当 对 requests_to_jump_up_in_dvfs_level_table 的连续计数
- * (.DP : continuous_count_of_requests_to_jump_up) 达到一定数值,
- * 则 dvfs_facility 会上跳一个 level.
- */
- unsigned int max;
-};
-
-/**
- * mali_driver_private_data_t.
- * 和 平台相关的 mali_driver 的私有数据,
- * 包含 clk, power_domain handles, mali_dvfs_facility 等.
- *
- * 该类型在 platform_dependent_part 中定义,
- * 显然也只会在 platform_dependent_part 中使用.
- */
-struct mali_platform_drv_data {
- /**
- * gpu_dvfs_node
- */
- struct dvfs_node *clk;
-
- /**
- * gpu_power_domain.
- */
- struct clk *pd;
-
- /**
- * available_dvfs_level_list.
- * 将用于保存 系统配置支持的所有 dvfs_level.
- * .R : 实际上, 放在 mali_dvfs_context 中为宜.
- */
- struct mali_fv_info *fv_info;
- /**
- * len_of_available_dvfs_level_list, 也即 根据系统配置得到的 available_dvfs_level 的个数.
- */
- unsigned int fv_info_length;
-
- /**
- * mali_dvfs_context.
- */
- struct mali_dvfs dvfs;
-
- /**
- * device_of_mali_gpu.
- */
- struct device *dev;
-
- /**
- * gpu 是否 "被上电, 且被送入 clk".
- */
- bool power_state;
-
- _mali_osk_mutex_t *clock_set_lock;
-
- /*-------------------------------------------------------*/
-
- /**
- * clk_mali.
- */
- struct clk *clock;
-
- struct regulator *regulator;
-};
-
-/** @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(struct platform_device *pdev);
-
-/** @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(struct platform_device *pdev);
-
-/** @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(
- enum 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(struct mali_gpu_utilization_data *data);
-
-int mali_set_level(struct device *dev, int level);
-
-#ifdef __cplusplus
-}
-#endif
-#endif
projects / firefly-linux-kernel-4.4.55.git / blobdiff