linux/include/linux/platform_data/iommu-omap.h
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   1/*
   2 * omap iommu: main structures
   3 *
   4 * Copyright (C) 2008-2009 Nokia Corporation
   5 *
   6 * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
   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#include <linux/platform_device.h>
  14
  15#define MMU_REG_SIZE            256
  16
  17/**
  18 * struct iommu_arch_data - omap iommu private data
  19 * @name: name of the iommu device
  20 * @iommu_dev: handle of the iommu device
  21 *
  22 * This is an omap iommu private data object, which binds an iommu user
  23 * to its iommu device. This object should be placed at the iommu user's
  24 * dev_archdata so generic IOMMU API can be used without having to
  25 * utilize omap-specific plumbing anymore.
  26 */
  27struct omap_iommu_arch_data {
  28        const char *name;
  29        struct omap_iommu *iommu_dev;
  30};
  31
  32/**
  33 * struct omap_mmu_dev_attr - OMAP mmu device attributes for omap_hwmod
  34 * @nr_tlb_entries:     number of entries supported by the translation
  35 *                      look-aside buffer (TLB).
  36 */
  37struct omap_mmu_dev_attr {
  38        int nr_tlb_entries;
  39};
  40
  41struct iommu_platform_data {
  42        const char *name;
  43        const char *reset_name;
  44        int nr_tlb_entries;
  45
  46        int (*assert_reset)(struct platform_device *pdev, const char *name);
  47        int (*deassert_reset)(struct platform_device *pdev, const char *name);
  48};
  49