| /* |
| * meson_main2.c |
| * |
| * Copyright (C) 2017 Amlogic, Inc. 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 as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * 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. |
| * |
| */ |
| |
| /** |
| * @file mali_platform.c |
| * Platform specific Mali driver functions for: |
| * meson8m2 and the newer chip |
| */ |
| #include <linux/platform_device.h> |
| #include <linux/device.h> |
| #include <linux/version.h> |
| #include <linux/module.h> |
| #include <linux/pm.h> |
| #ifdef CONFIG_PM_RUNTIME |
| #include <linux/pm_runtime.h> |
| #endif |
| #include <asm/io.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/moduleparam.h> |
| |
| #include <mali_kbase.h> |
| #include <mali_kbase_hw.h> |
| #include <mali_kbase_config.h> |
| #include <mali_kbase_defs.h> |
| |
| #include "mali_scaling.h" |
| #include "mali_clock.h" |
| #include "meson_main2.h" |
| |
| extern void mali_post_init(void); |
| struct kbase_device; |
| //static int gpu_dvfs_probe(struct platform_device *pdev) |
| int platform_dt_init_func(struct kbase_device *kbdev) |
| { |
| struct device *dev = kbdev->dev; |
| struct platform_device *pdev = to_platform_device(dev); |
| |
| int err = -1; |
| |
| err = mali_meson_init_start(pdev); |
| mali_meson_init_finish(pdev); |
| mpgpu_class_init(); |
| mali_post_init(); |
| return err; |
| } |
| |
| //static int gpu_dvfs_remove(struct platform_device *pdev) |
| void platform_dt_term_func(struct kbase_device *kbdev) |
| { |
| struct device *dev = kbdev->dev; |
| struct platform_device *pdev = to_platform_device(dev); |
| |
| printk("%s, %d\n", __FILE__, __LINE__); |
| |
| mpgpu_class_exit(); |
| mali_meson_uninit(pdev); |
| |
| } |
| |
| static u32 last_utilisation, last_util_gl_share, last_util_cl_share[2]; |
| inline int kbase_platform_dvfs_event(struct kbase_device *kbdev, u32 utilisation, |
| u32 util_gl_share, u32 util_cl_share[2]) |
| { |
| last_utilisation = utilisation; |
| last_util_gl_share = util_gl_share; |
| last_util_cl_share[0] = util_cl_share[0]; |
| last_util_cl_share[1] = util_cl_share[1]; |
| mali_gpu_utilization_callback(utilisation*255/100); |
| return 1; |
| } |
| |
| u32 mpgpu_get_utilization(void) |
| { |
| return last_utilisation; |
| } |
| u32 mpgpu_get_util_gl_share(void) |
| { |
| return last_util_gl_share; |
| } |
| u32 mpgpu_get_util_cl_share(u32 *util) |
| { |
| util[0] = last_util_cl_share[0]; |
| util[1] = last_util_cl_share[1]; |
| return 0; |
| } |
| |
| struct kbase_platform_funcs_conf dt_funcs_conf = { |
| .platform_init_func = platform_dt_init_func, |
| .platform_term_func = platform_dt_term_func, |
| }; |
