arch/arm/mach-exynos/include/mach/sysmmu.h

   1 /*
   2  * Copyright (c) 2011-2012 Samsung Electronics Co., Ltd.
   3  *              http://www.samsung.com
   4  *
   5  * EXYNOS - System MMU support
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #ifndef _ARM_MACH_EXYNOS_SYSMMU_H_
  13 #define _ARM_MACH_EXYNOS_SYSMMU_H_
  14
  15 struct sysmmu_platform_data {
  16         char *dbgname;
  17         /* comma(,) separated list of clock names for clock gating */
  18         char *clockname;
  19 };
  20
  21 #define SYSMMU_DEVNAME_BASE "exynos-sysmmu"
  22
  23 #define SYSMMU_CLOCK_NAME "sysmmu"
  24 #define SYSMMU_CLOCK_NAME2 "sysmmu_mc"
  25
  26 #ifdef CONFIG_EXYNOS_DEV_SYSMMU
  27 #include <linux/device.h>
  28 struct platform_device;
  29
  30 #define SYSMMU_PLATDEV(ipname) exynos_device_sysmmu_##ipname
  31
  32 extern struct platform_device SYSMMU_PLATDEV(mfc_l);
  33 extern struct platform_device SYSMMU_PLATDEV(mfc_r);
  34 extern struct platform_device SYSMMU_PLATDEV(tv);
  35 extern struct platform_device SYSMMU_PLATDEV(jpeg);
  36 extern struct platform_device SYSMMU_PLATDEV(rot);
  37 extern struct platform_device SYSMMU_PLATDEV(fimc0);
  38 extern struct platform_device SYSMMU_PLATDEV(fimc1);
  39 extern struct platform_device SYSMMU_PLATDEV(fimc2);
  40 extern struct platform_device SYSMMU_PLATDEV(fimc3);
  41 extern struct platform_device SYSMMU_PLATDEV(gsc0);
  42 extern struct platform_device SYSMMU_PLATDEV(gsc1);
  43 extern struct platform_device SYSMMU_PLATDEV(gsc2);
  44 extern struct platform_device SYSMMU_PLATDEV(gsc3);
  45 extern struct platform_device SYSMMU_PLATDEV(isp);
  46 extern struct platform_device SYSMMU_PLATDEV(fimd0);
  47 extern struct platform_device SYSMMU_PLATDEV(fimd1);
  48 extern struct platform_device SYSMMU_PLATDEV(camif0);
  49 extern struct platform_device SYSMMU_PLATDEV(camif1);
  50 extern struct platform_device SYSMMU_PLATDEV(2d);
  51
  52 #ifdef CONFIG_IOMMU_API
  53 static inline void platform_set_sysmmu(
  54                                 struct device *sysmmu, struct device *dev)
  55 {
  56         dev->archdata.iommu = sysmmu;
  57 }
  58 #endif
  59
  60 #else /* !CONFIG_EXYNOS_DEV_SYSMMU */
  61 #define platform_set_sysmmu(dev, sysmmu) do { } while (0)
  62 #endif
  63
  64 #define SYSMMU_CLOCK_DEVNAME(ipname, id) (SYSMMU_DEVNAME_BASE "." #id)
  65
  66 #endif /* _ARM_MACH_EXYNOS_SYSMMU_H_ */