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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-05-01 08:47:44 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-05-01 08:47:44 -0700 |
commit | bf61c8840efe60fd8f91446860b63338fb424158 (patch) | |
tree | 7a71832407a4f0d6346db773343f4c3ae2257b19 /include/asm-generic/io.h | |
parent | 5846115b30f3a881e542c8bfde59a699c1c13740 (diff) | |
parent | 0c6a61657da78098472fd0eb71cc01f2387fa1bb (diff) | |
download | linux-bf61c8840efe60fd8f91446860b63338fb424158.tar.bz2 |
Merge branch 'next' into for-linus
Prepare first set of updates for 3.10 merge window.
Diffstat (limited to 'include/asm-generic/io.h')
-rw-r--r-- | include/asm-generic/io.h | 94 |
1 files changed, 49 insertions, 45 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index 448303bdb85f..ac9da00e9f2c 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -12,7 +12,6 @@ #define __ASM_GENERIC_IO_H #include <asm/page.h> /* I/O is all done through memory accesses */ -#include <asm/cacheflush.h> #include <linux/types.h> #ifdef CONFIG_GENERIC_IOMAP @@ -54,8 +53,18 @@ static inline u32 __raw_readl(const volatile void __iomem *addr) #endif #define readb __raw_readb -#define readw(addr) __le16_to_cpu(__raw_readw(addr)) -#define readl(addr) __le32_to_cpu(__raw_readl(addr)) + +#define readw readw +static inline u16 readw(const volatile void __iomem *addr) +{ + return __le16_to_cpu(__raw_readw(addr)); +} + +#define readl readl +static inline u32 readl(const volatile void __iomem *addr) +{ + return __le32_to_cpu(__raw_readl(addr)); +} #ifndef __raw_writeb static inline void __raw_writeb(u8 b, volatile void __iomem *addr) @@ -83,19 +92,29 @@ static inline void __raw_writel(u32 b, volatile void __iomem *addr) #define writel(b,addr) __raw_writel(__cpu_to_le32(b),addr) #ifdef CONFIG_64BIT +#ifndef __raw_readq static inline u64 __raw_readq(const volatile void __iomem *addr) { return *(const volatile u64 __force *) addr; } -#define readq(addr) __le64_to_cpu(__raw_readq(addr)) +#endif + +#define readq readq +static inline u64 readq(const volatile void __iomem *addr) +{ + return __le64_to_cpu(__raw_readq(addr)); +} +#ifndef __raw_writeq static inline void __raw_writeq(u64 b, volatile void __iomem *addr) { *(volatile u64 __force *) addr = b; } -#define writeq(b,addr) __raw_writeq(__cpu_to_le64(b),addr) #endif +#define writeq(b, addr) __raw_writeq(__cpu_to_le64(b), addr) +#endif /* CONFIG_64BIT */ + #ifndef PCI_IOBASE #define PCI_IOBASE ((void __iomem *) 0) #endif @@ -148,7 +167,7 @@ static inline void insb(unsigned long addr, void *buffer, int count) if (count) { u8 *buf = buffer; do { - u8 x = inb(addr); + u8 x = __raw_readb(addr + PCI_IOBASE); *buf++ = x; } while (--count); } @@ -161,7 +180,7 @@ static inline void insw(unsigned long addr, void *buffer, int count) if (count) { u16 *buf = buffer; do { - u16 x = inw(addr); + u16 x = __raw_readw(addr + PCI_IOBASE); *buf++ = x; } while (--count); } @@ -174,7 +193,7 @@ static inline void insl(unsigned long addr, void *buffer, int count) if (count) { u32 *buf = buffer; do { - u32 x = inl(addr); + u32 x = __raw_readl(addr + PCI_IOBASE); *buf++ = x; } while (--count); } @@ -187,7 +206,7 @@ static inline void outsb(unsigned long addr, const void *buffer, int count) if (count) { const u8 *buf = buffer; do { - outb(*buf++, addr); + __raw_writeb(*buf++, addr + PCI_IOBASE); } while (--count); } } @@ -199,7 +218,7 @@ static inline void outsw(unsigned long addr, const void *buffer, int count) if (count) { const u16 *buf = buffer; do { - outw(*buf++, addr); + __raw_writew(*buf++, addr + PCI_IOBASE); } while (--count); } } @@ -211,54 +230,24 @@ static inline void outsl(unsigned long addr, const void *buffer, int count) if (count) { const u32 *buf = buffer; do { - outl(*buf++, addr); + __raw_writel(*buf++, addr + PCI_IOBASE); } while (--count); } } #endif -static inline void readsl(const void __iomem *addr, void *buf, int len) -{ - insl(addr - PCI_IOBASE, buf, len); -} - -static inline void readsw(const void __iomem *addr, void *buf, int len) -{ - insw(addr - PCI_IOBASE, buf, len); -} - -static inline void readsb(const void __iomem *addr, void *buf, int len) -{ - insb(addr - PCI_IOBASE, buf, len); -} - -static inline void writesl(const void __iomem *addr, const void *buf, int len) -{ - outsl(addr - PCI_IOBASE, buf, len); -} - -static inline void writesw(const void __iomem *addr, const void *buf, int len) -{ - outsw(addr - PCI_IOBASE, buf, len); -} - -static inline void writesb(const void __iomem *addr, const void *buf, int len) -{ - outsb(addr - PCI_IOBASE, buf, len); -} - #ifndef CONFIG_GENERIC_IOMAP #define ioread8(addr) readb(addr) #define ioread16(addr) readw(addr) -#define ioread16be(addr) be16_to_cpu(ioread16(addr)) +#define ioread16be(addr) __be16_to_cpu(__raw_readw(addr)) #define ioread32(addr) readl(addr) -#define ioread32be(addr) be32_to_cpu(ioread32(addr)) +#define ioread32be(addr) __be32_to_cpu(__raw_readl(addr)) #define iowrite8(v, addr) writeb((v), (addr)) #define iowrite16(v, addr) writew((v), (addr)) -#define iowrite16be(v, addr) iowrite16(be16_to_cpu(v), (addr)) +#define iowrite16be(v, addr) __raw_writew(__cpu_to_be16(v), addr) #define iowrite32(v, addr) writel((v), (addr)) -#define iowrite32be(v, addr) iowrite32(be32_to_cpu(v), (addr)) +#define iowrite32be(v, addr) __raw_writel(__cpu_to_be32(v), addr) #define ioread8_rep(p, dst, count) \ insb((unsigned long) (p), (dst), (count)) @@ -286,15 +275,20 @@ static inline void writesb(const void __iomem *addr, const void *buf, int len) #ifndef CONFIG_GENERIC_IOMAP struct pci_dev; +extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); + +#ifndef pci_iounmap static inline void pci_iounmap(struct pci_dev *dev, void __iomem *p) { } +#endif #endif /* CONFIG_GENERIC_IOMAP */ /* * Change virtual addresses to physical addresses and vv. * These are pretty trivial */ +#ifndef virt_to_phys static inline unsigned long virt_to_phys(volatile void *address) { return __pa((unsigned long)address); @@ -304,6 +298,7 @@ static inline void *phys_to_virt(unsigned long address) { return __va(address); } +#endif /* * Change "struct page" to physical address. @@ -351,6 +346,7 @@ extern void ioport_unmap(void __iomem *p); #define xlate_dev_kmem_ptr(p) p #define xlate_dev_mem_ptr(p) __va(p) +#ifdef CONFIG_VIRT_TO_BUS #ifndef virt_to_bus static inline unsigned long virt_to_bus(volatile void *address) { @@ -362,10 +358,18 @@ static inline void *bus_to_virt(unsigned long address) return (void *) address; } #endif +#endif +#ifndef memset_io #define memset_io(a, b, c) memset(__io_virt(a), (b), (c)) +#endif + +#ifndef memcpy_fromio #define memcpy_fromio(a, b, c) memcpy((a), __io_virt(b), (c)) +#endif +#ifndef memcpy_toio #define memcpy_toio(a, b, c) memcpy(__io_virt(a), (b), (c)) +#endif #endif /* __KERNEL__ */ |