drivers/gpu/arm/mali400/r4p0_rel0/platform/exynos3250/exynos3.c

   1 /* drivers/gpu/mali400/mali/platform/exynos3250/exynos3.c
   2  *
   3  * Copyright 2011 by S.LSI. Samsung Electronics Inc.
   4  * San#24, Nongseo-Dong, Giheung-Gu, Yongin, Korea
   5  *
   6  * Samsung SoC Mali400 DVFS driver
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software FoundatIon.
  11  */
  12
  13 /**
  14  * @file exynos3.c
  15  * Platform specific Mali driver functions for the exynos 3XXX based platforms
  16  */
  17 #include <linux/platform_device.h>
  18 #include <linux/version.h>
  19 #include <linux/pm.h>
  20 #include <linux/pm_runtime.h>
  21 #include <linux/mali/mali_utgard.h>
  22 #include "mali_kernel_common.h"
  23
  24 #include <linux/irq.h>
  25 #include <plat/devs.h>
  26
  27 #include "exynos3_pmm.h"
  28
  29 #define MALI_GP_IRQ             EXYNOS3_IRQ_GP_3D
  30 #define MALI_PP0_IRQ            EXYNOS3_IRQ_PP0_3D
  31 #define MALI_PP1_IRQ            EXYNOS3_IRQ_PP1_3D
  32 #define MALI_GP_MMU_IRQ         EXYNOS3_IRQ_GPMMU_3D
  33 #define MALI_PP0_MMU_IRQ        EXYNOS3_IRQ_PPMMU0_3D
  34 #define MALI_PP1_MMU_IRQ        EXYNOS3_IRQ_PPMMU1_3D
  35
  36 static struct resource mali_gpu_resources[] = {
  37         MALI_GPU_RESOURCES_MALI400_MP2(0x13000000,
  38                                                 MALI_GP_IRQ, MALI_GP_MMU_IRQ,
  39                                                 MALI_PP0_IRQ, MALI_PP0_MMU_IRQ,
  40                                                 MALI_PP1_IRQ, MALI_PP1_MMU_IRQ)
  41 };
  42
  43 static struct mali_gpu_device_data mali_gpu_data = {
  44         .shared_mem_size = 256 * 1024 * 1024, /* 256MB */
  45         .fb_start = 0x40000000,
  46         .fb_size = 0xb1000000,
  47         .utilization_interval = 100, /* 100ms */
  48         .utilization_callback = mali_exynos_update_dvfs,
  49 };
  50
  51 int mali_platform_device_register(void)
  52 {
  53         int err;
  54
  55         MALI_DEBUG_PRINT(4, ("mali_platform_device_register() called\n"));
  56
  57         /* Connect resources to the device */
  58         err = platform_device_add_resources(&exynos4_device_g3d,
  59                                                 mali_gpu_resources,
  60                                                 sizeof(mali_gpu_resources) /
  61                                                 sizeof(mali_gpu_resources[0]));
  62         if (0 == err) {
  63                 err = platform_device_add_data(&exynos4_device_g3d,
  64                                                 &mali_gpu_data,
  65                                                 sizeof(mali_gpu_data));
  66                 if (0 == err) {
  67                         mali_platform_init(&(exynos4_device_g3d.dev));
  68
  69 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
  70                         pm_runtime_set_autosuspend_delay(&(exynos4_device_g3d.dev), 50);
  71                         pm_runtime_use_autosuspend(&(exynos4_device_g3d.dev));
  72 #endif
  73                         pm_runtime_enable(&(exynos4_device_g3d.dev));
  74                         return 0;
  75                 }
  76
  77         }
  78         return err;
  79 }
  80
  81 void mali_platform_device_unregister(void)
  82 {
  83         MALI_DEBUG_PRINT(4, ("mali_platform_device_unregister() called\n"));
  84
  85         mali_platform_deinit(&(exynos4_device_g3d.dev));
  86 }