Release 4.14 arch/powerpc/kernel/iomap.c

Directory: arch/powerpc/kernel
// SPDX-License-Identifier: GPL-2.0
/*
 * ppc64 "iomap" interface implementation.
 *
 * (C) Copyright 2004 Linus Torvalds
 */
#include <linux/pci.h>
#include <linux/mm.h>
#include <linux/export.h>
#include <asm/io.h>
#include <asm/pci-bridge.h>
#include <asm/isa-bridge.h>

/*
 * Here comes the ppc64 implementation of the IOMAP 
 * interfaces.
 */


unsigned int ioread8(void __iomem *addr)
{
	return readb(addr);
}
Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%



unsigned int ioread16(void __iomem *addr)
{
	return readw(addr);
}
Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%



unsigned int ioread16be(void __iomem *addr)
{
	return readw_be(addr);
}
Contributors
Person Tokens Prop Commits CommitProp
Arthur Othieno 16 94.12% 1 50.00%
Gavin Shan 1 5.88% 1 50.00%
Total 17 100.00% 2 100.00%



unsigned int ioread32(void __iomem *addr)
{
	return readl(addr);
}
Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%



unsigned int ioread32be(void __iomem *addr)
{
	return readl_be(addr);
}
Contributors
Person Tokens Prop Commits CommitProp
Arthur Othieno 16 94.12% 1 50.00%
Gavin Shan 1 5.88% 1 50.00%
Total 17 100.00% 2 100.00%


EXPORT_SYMBOL(ioread8);

EXPORT_SYMBOL(ioread16);

EXPORT_SYMBOL(ioread16be);

EXPORT_SYMBOL(ioread32);

EXPORT_SYMBOL(ioread32be);
#ifdef __powerpc64__


u64 ioread64(void __iomem *addr)
{
	return readq(addr);
}
Contributors
Person Tokens Prop Commits CommitProp
Horia Geantă 16 100.00% 1 100.00%
Total 16 100.00% 1 100.00%



u64 ioread64be(void __iomem *addr)
{
	return readq_be(addr);
}
Contributors
Person Tokens Prop Commits CommitProp
Horia Geantă 16 100.00% 1 100.00%
Total 16 100.00% 1 100.00%


EXPORT_SYMBOL(ioread64);

EXPORT_SYMBOL(ioread64be);
#endif /* __powerpc64__ */



void iowrite8(u8 val, void __iomem *addr)
{
	writeb(val, addr);
}
Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 20 100.00% 1 100.00%
Total 20 100.00% 1 100.00%



void iowrite16(u16 val, void __iomem *addr)
{
	writew(val, addr);
}
Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 20 100.00% 1 100.00%
Total 20 100.00% 1 100.00%



void iowrite16be(u16 val, void __iomem *addr)
{
	writew_be(val, addr);
}
Contributors
Person Tokens Prop Commits CommitProp
Arthur Othieno 17 85.00% 1 50.00%
Gavin Shan 3 15.00% 1 50.00%
Total 20 100.00% 2 100.00%



void iowrite32(u32 val, void __iomem *addr)
{
	writel(val, addr);
}
Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 20 100.00% 1 100.00%
Total 20 100.00% 1 100.00%



void iowrite32be(u32 val, void __iomem *addr)
{
	writel_be(val, addr);
}
Contributors
Person Tokens Prop Commits CommitProp
Arthur Othieno 17 85.00% 1 50.00%
Gavin Shan 3 15.00% 1 50.00%
Total 20 100.00% 2 100.00%


EXPORT_SYMBOL(iowrite8);

EXPORT_SYMBOL(iowrite16);

EXPORT_SYMBOL(iowrite16be);

EXPORT_SYMBOL(iowrite32);

EXPORT_SYMBOL(iowrite32be);
#ifdef __powerpc64__


void iowrite64(u64 val, void __iomem *addr)
{
	writeq(val, addr);
}
Contributors
Person Tokens Prop Commits CommitProp
Horia Geantă 20 100.00% 1 100.00%
Total 20 100.00% 1 100.00%



void iowrite64be(u64 val, void __iomem *addr)
{
	writeq_be(val, addr);
}
Contributors
Person Tokens Prop Commits CommitProp
Horia Geantă 20 100.00% 1 100.00%
Total 20 100.00% 1 100.00%


EXPORT_SYMBOL(iowrite64);

EXPORT_SYMBOL(iowrite64be);
#endif /* __powerpc64__ */

/*
 * These are the "repeat read/write" functions. Note the
 * non-CPU byte order. We do things in "IO byteorder"
 * here.
 *
 * FIXME! We could make these do EEH handling if we really
 * wanted. Not clear if we do.
 */


void ioread8_rep(void __iomem *addr, void *dst, unsigned long count)
{
	readsb(addr, dst, count);
}
Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 26 96.30% 1 50.00%
Gavin Shan 1 3.70% 1 50.00%
Total 27 100.00% 2 100.00%



void ioread16_rep(void __iomem *addr, void *dst, unsigned long count)
{
	readsw(addr, dst, count);
}
Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 26 96.30% 1 50.00%
Gavin Shan 1 3.70% 1 50.00%
Total 27 100.00% 2 100.00%



void ioread32_rep(void __iomem *addr, void *dst, unsigned long count)
{
	readsl(addr, dst, count);
}
Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 26 96.30% 1 50.00%
Gavin Shan 1 3.70% 1 50.00%
Total 27 100.00% 2 100.00%


EXPORT_SYMBOL(ioread8_rep);

EXPORT_SYMBOL(ioread16_rep);

EXPORT_SYMBOL(ioread32_rep);



void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count)
{
	writesb(addr, src, count);
}
Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 27 96.43% 1 50.00%
Gavin Shan 1 3.57% 1 50.00%
Total 28 100.00% 2 100.00%



void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count)
{
	writesw(addr, src, count);
}
Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 27 96.43% 1 50.00%
Gavin Shan 1 3.57% 1 50.00%
Total 28 100.00% 2 100.00%



void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count)
{
	writesl(addr, src, count);
}
Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 27 96.43% 1 50.00%
Gavin Shan 1 3.57% 1 50.00%
Total 28 100.00% 2 100.00%


EXPORT_SYMBOL(iowrite8_rep);

EXPORT_SYMBOL(iowrite16_rep);

EXPORT_SYMBOL(iowrite32_rep);



void __iomem *ioport_map(unsigned long port, unsigned int len)
{
	return (void __iomem *) (port + _IO_BASE);
}

Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 27 100.00% 2 100.00%
Total 27 100.00% 2 100.00%



void ioport_unmap(void __iomem *addr)
{
	/* Nothing to do */
}
Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 11 100.00% 1 100.00%
Total 11 100.00% 1 100.00%


EXPORT_SYMBOL(ioport_map);

EXPORT_SYMBOL(ioport_unmap);

#ifdef CONFIG_PCI


void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
{
	if (isa_vaddr_is_ioport(addr))
		return;
	if (pcibios_vaddr_is_ioport(addr))
		return;
	iounmap(addr);
}

Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 36 100.00% 2 100.00%
Total 36 100.00% 2 100.00%


EXPORT_SYMBOL(pci_iounmap);
#endif /* CONFIG_PCI */
Overall Contributors
Person Tokens Prop Commits CommitProp
Benjamin Herrenschmidt 442 67.90% 6 50.00%
Horia Geantă 104 15.98% 1 8.33%
Arthur Othieno 86 13.21% 1 8.33%
Gavin Shan 14 2.15% 1 8.33%
Paul Gortmaker 3 0.46% 1 8.33%
Jon Mason 1 0.15% 1 8.33%
Greg Kroah-Hartman 1 0.15% 1 8.33%
Total 651 100.00% 12 100.00%
Directory: arch/powerpc/kernel

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Person	Tokens	Prop	Commits	CommitProp
Benjamin Herrenschmidt	17	100.00%	1	100.00%
Total	17	100.00%	1	100.00%
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Release 4.14 arch/powerpc/kernel/iomap.c

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