drivers/gpu/arm/mali400/r4p0_rel0/platform/exynos4415/exynos4.c

   1 /* drivers/gpu/mali400/mali/platform/exynos4415/exynos4.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 exynos4.c
  15  * Platform specific Mali driver functions for the exynos 4XXX based platforms
  16  */
  17
  18 #ifdef CONFIG_PM_RUNTIME
  19 #include <linux/pm_runtime.h>
  20 #endif
  21
  22 #include <plat/devs.h>
  23 #include "mali_kernel_common.h"
  24 #include "exynos4_pmm.h"
  25
  26 #define MALI_GP_IRQ       EXYNOS4_IRQ_GP_3D
  27 #define MALI_PP0_IRQ      EXYNOS4_IRQ_PP0_3D
  28 #define MALI_PP1_IRQ      EXYNOS4_IRQ_PP1_3D
  29 #define MALI_PP2_IRQ      EXYNOS4_IRQ_PP2_3D
  30 #define MALI_PP3_IRQ      EXYNOS4_IRQ_PP3_3D
  31 #define MALI_GP_MMU_IRQ   EXYNOS4_IRQ_GPMMU_3D
  32 #define MALI_PP0_MMU_IRQ  EXYNOS4_IRQ_PPMMU0_3D
  33 #define MALI_PP1_MMU_IRQ  EXYNOS4_IRQ_PPMMU1_3D
  34 #define MALI_PP2_MMU_IRQ  EXYNOS4_IRQ_PPMMU2_3D
  35 #define MALI_PP3_MMU_IRQ  EXYNOS4_IRQ_PPMMU3_3D
  36
  37 static struct resource mali_gpu_resources[] =
  38 {
  39         MALI_GPU_RESOURCES_MALI400_MP4(0x13000000,
  40                                        MALI_GP_IRQ, MALI_GP_MMU_IRQ,
  41                                        MALI_PP0_IRQ, MALI_PP0_MMU_IRQ,
  42                                        MALI_PP1_IRQ, MALI_PP1_MMU_IRQ,
  43                                        MALI_PP2_IRQ, MALI_PP2_MMU_IRQ,
  44                                        MALI_PP3_IRQ, MALI_PP3_MMU_IRQ)
  45 };
  46
  47 static struct mali_gpu_device_data mali_gpu_data =
  48 {
  49         .shared_mem_size = 256 * 1024 * 1024, /* 256MB */
  50         .fb_start = 0x40000000,
  51         .fb_size = 0xb1000000,
  52         .utilization_interval = 100, /* 100ms */
  53         .utilization_callback = mali_gpu_utilization_handler,
  54 };
  55
  56 int mali_platform_device_register(void)
  57 {
  58         int err;
  59
  60         MALI_DEBUG_PRINT(4, ("mali_platform_device_register() called\n"));
  61
  62         /* Connect resources to the device */
  63         err = platform_device_add_resources(&exynos4_device_g3d, mali_gpu_resources, sizeof(mali_gpu_resources) / sizeof(mali_gpu_resources[0]));
  64         if (0 == err)
  65         {
  66                 err = platform_device_add_data(&exynos4_device_g3d, &mali_gpu_data, sizeof(mali_gpu_data));
  67                 if (0 == err)
  68                 {
  69                         mali_platform_init(&(exynos4_device_g3d.dev));
  70 #ifdef CONFIG_PM_RUNTIME
  71                         pm_runtime_set_autosuspend_delay(&(exynos4_device_g3d.dev), 1000);
  72                         pm_runtime_use_autosuspend(&(exynos4_device_g3d.dev));
  73                         pm_runtime_enable(&(exynos4_device_g3d.dev));
  74 #endif
  75                         return 0;
  76                 }
  77
  78         }
  79         return err;
  80 }
  81
  82 void mali_platform_device_unregister(void)
  83 {
  84         MALI_DEBUG_PRINT(4, ("mali_platform_device_unregister() called\n"));
  85         mali_platform_deinit(&(exynos4_device_g3d.dev));
  86 }