| /* |
| * Copyright (C) 2010, 2012-2014 Amlogic 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. |
| * |
| */ |
| |
| /** |
| * @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); |
| |
| } |
| |
| inline int kbase_platform_dvfs_event(struct kbase_device *kbdev, u32 utilisation, |
| u32 util_gl_share, u32 util_cl_share[2]) |
| { |
| mali_gpu_utilization_callback(utilisation*255/100); |
| return 1; |
| } |
| |
| struct kbase_platform_funcs_conf dt_funcs_conf = { |
| .platform_init_func = platform_dt_init_func, |
| .platform_term_func = platform_dt_term_func, |
| }; |
| #if 0 |
| static const struct of_device_id gpu_dvfs_ids[] = { |
| { .compatible = "meson, gpu-dvfs-1.00.a" }, |
| { }, |
| }; |
| MODULE_DEVICE_TABLE(of, gpu_dvfs_ids); |
| |
| static struct platform_driver gpu_dvfs_driver = { |
| .driver = { |
| .name = "meson-gpu-dvfs", |
| .owner = THIS_MODULE, |
| .of_match_table = gpu_dvfs_ids, |
| }, |
| .probe = gpu_dvfs_probe, |
| .remove = gpu_dvfs_remove, |
| }; |
| module_platform_driver(gpu_dvfs_driver); |
| |
| MODULE_LICENSE("GPL v2"); |
| MODULE_AUTHOR("Amlogic SH, MM"); |
| MODULE_DESCRIPTION("Driver for the Meson GPU dvfs"); |
| #endif |
