2 * Copyright 2006 PathScale, Inc. All Rights Reserved.
4 * This file is free software; you can redistribute it and/or modify
5 * it under the terms of version 2 of the GNU General Public License
6 * as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software Foundation,
15 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
21 #include <linux/types.h>
25 void __iowrite32_copy(void __iomem *to, const void *from, size_t count);
26 void __iowrite64_copy(void __iomem *to, const void *from, size_t count);
28 int ioremap_page_range(unsigned long addr, unsigned long end,
29 unsigned long phys_addr, pgprot_t prot);
32 * Managed iomap interface
34 void __iomem * devm_ioport_map(struct device *dev, unsigned long port,
36 void devm_ioport_unmap(struct device *dev, void __iomem *addr);
38 void __iomem * devm_ioremap(struct device *dev, unsigned long offset,
40 void __iomem * devm_ioremap_nocache(struct device *dev, unsigned long offset,
42 void devm_iounmap(struct device *dev, void __iomem *addr);
44 void __iomem * pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen);
45 void pcim_iounmap(struct pci_dev *pdev, void __iomem *addr);
46 void __iomem * const * pcim_iomap_table(struct pci_dev *pdev);
48 int pcim_iomap_regions(struct pci_dev *pdev, u16 mask, const char *name);
51 * check_signature - find BIOS signatures
52 * @io_addr: mmio address to check
53 * @signature: signature block
54 * @length: length of signature
56 * Perform a signature comparison with the mmio address io_addr. This
57 * address should have been obtained by ioremap.
58 * Returns 1 on a match.
61 static inline int check_signature(const volatile void __iomem *io_addr,
62 const unsigned char *signature, int length)
66 if (readb(io_addr) != *signature)
77 #endif /* _LINUX_IO_H */