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kernel/linux-rt-4.4.41/include/linux/platform_data/iommu-omap.h 1.28 KB
5113f6f70   김현기   kernel add
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  /*
   * omap iommu: main structures
   *
   * Copyright (C) 2008-2009 Nokia Corporation
   *
   * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #include <linux/platform_device.h>
  
  #define MMU_REG_SIZE		256
  
  /**
   * struct iommu_arch_data - omap iommu private data
   * @name: name of the iommu device
   * @iommu_dev: handle of the iommu device
   *
   * This is an omap iommu private data object, which binds an iommu user
   * to its iommu device. This object should be placed at the iommu user's
   * dev_archdata so generic IOMMU API can be used without having to
   * utilize omap-specific plumbing anymore.
   */
  struct omap_iommu_arch_data {
  	const char *name;
  	struct omap_iommu *iommu_dev;
  };
  
  struct iommu_platform_data {
  	const char *name;
  	const char *reset_name;
  	int nr_tlb_entries;
  
  	int (*assert_reset)(struct platform_device *pdev, const char *name);
  	int (*deassert_reset)(struct platform_device *pdev, const char *name);
  	int (*device_enable)(struct platform_device *pdev);
  	int (*device_idle)(struct platform_device *pdev);
  	int (*set_pwrdm_constraint)(struct platform_device *pdev, bool request,
  				    u8 *pwrst);
  };