diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/include/asm/io.h')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/include/asm/io.h | 340 |
1 files changed, 0 insertions, 340 deletions
diff --git a/ANDROID_3.4.5/arch/arm/include/asm/io.h b/ANDROID_3.4.5/arch/arm/include/asm/io.h deleted file mode 100644 index 9af5563d..00000000 --- a/ANDROID_3.4.5/arch/arm/include/asm/io.h +++ /dev/null @@ -1,340 +0,0 @@ -/* - * arch/arm/include/asm/io.h - * - * Copyright (C) 1996-2000 Russell King - * - * 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. - * - * Modifications: - * 16-Sep-1996 RMK Inlined the inx/outx functions & optimised for both - * constant addresses and variable addresses. - * 04-Dec-1997 RMK Moved a lot of this stuff to the new architecture - * specific IO header files. - * 27-Mar-1999 PJB Second parameter of memcpy_toio is const.. - * 04-Apr-1999 PJB Added check_signature. - * 12-Dec-1999 RMK More cleanups - * 18-Jun-2000 RMK Removed virt_to_* and friends definitions - * 05-Oct-2004 BJD Moved memory string functions to use void __iomem - */ -#ifndef __ASM_ARM_IO_H -#define __ASM_ARM_IO_H - -#ifdef __KERNEL__ - -#include <linux/types.h> -#include <asm/byteorder.h> -#include <asm/memory.h> -#include <asm-generic/pci_iomap.h> - -/* - * ISA I/O bus memory addresses are 1:1 with the physical address. - */ -#define isa_virt_to_bus virt_to_phys -#define isa_page_to_bus page_to_phys -#define isa_bus_to_virt phys_to_virt - -/* - * Generic IO read/write. These perform native-endian accesses. Note - * that some architectures will want to re-define __raw_{read,write}w. - */ -extern void __raw_writesb(void __iomem *addr, const void *data, int bytelen); -extern void __raw_writesw(void __iomem *addr, const void *data, int wordlen); -extern void __raw_writesl(void __iomem *addr, const void *data, int longlen); - -extern void __raw_readsb(const void __iomem *addr, void *data, int bytelen); -extern void __raw_readsw(const void __iomem *addr, void *data, int wordlen); -extern void __raw_readsl(const void __iomem *addr, void *data, int longlen); - -#define __raw_writeb(v,a) (__chk_io_ptr(a), *(volatile unsigned char __force *)(a) = (v)) -#define __raw_writew(v,a) (__chk_io_ptr(a), *(volatile unsigned short __force *)(a) = (v)) -#define __raw_writel(v,a) (__chk_io_ptr(a), *(volatile unsigned int __force *)(a) = (v)) - -#define __raw_readb(a) (__chk_io_ptr(a), *(volatile unsigned char __force *)(a)) -#define __raw_readw(a) (__chk_io_ptr(a), *(volatile unsigned short __force *)(a)) -#define __raw_readl(a) (__chk_io_ptr(a), *(volatile unsigned int __force *)(a)) - -/* - * Architecture ioremap implementation. - */ -#define MT_DEVICE 0 -#define MT_DEVICE_NONSHARED 1 -#define MT_DEVICE_CACHED 2 -#define MT_DEVICE_WC 3 -/* - * types 4 onwards can be found in asm/mach/map.h and are undefined - * for ioremap - */ - -/* - * __arm_ioremap takes CPU physical address. - * __arm_ioremap_pfn takes a Page Frame Number and an offset into that page - * The _caller variety takes a __builtin_return_address(0) value for - * /proc/vmalloc to use - and should only be used in non-inline functions. - */ -extern void __iomem *__arm_ioremap_pfn_caller(unsigned long, unsigned long, - size_t, unsigned int, void *); -extern void __iomem *__arm_ioremap_caller(unsigned long, size_t, unsigned int, - void *); - -extern void __iomem *__arm_ioremap_pfn(unsigned long, unsigned long, size_t, unsigned int); -extern void __iomem *__arm_ioremap(unsigned long, size_t, unsigned int); -extern void __iomem *__arm_ioremap_exec(unsigned long, size_t, bool cached); -extern void __iounmap(volatile void __iomem *addr); -extern void __arm_iounmap(volatile void __iomem *addr); - -extern void __iomem * (*arch_ioremap_caller)(unsigned long, size_t, - unsigned int, void *); -extern void (*arch_iounmap)(volatile void __iomem *); - -/* - * Bad read/write accesses... - */ -extern void __readwrite_bug(const char *fn); - -/* - * A typesafe __io() helper - */ -static inline void __iomem *__typesafe_io(unsigned long addr) -{ - return (void __iomem *)addr; -} - -#define IOMEM(x) ((void __force __iomem *)(x)) - -/* IO barriers */ -#ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE -#include <asm/barrier.h> -#define __iormb() rmb() -#define __iowmb() wmb() -#else -#define __iormb() do { } while (0) -#define __iowmb() do { } while (0) -#endif - -/* - * Now, pick up the machine-defined IO definitions - */ -#ifdef CONFIG_NEED_MACH_IO_H -#include <mach/io.h> -#else -#define __io(a) __typesafe_io((a) & IO_SPACE_LIMIT) -#endif - -/* - * This is the limit of PC card/PCI/ISA IO space, which is by default - * 64K if we have PC card, PCI or ISA support. Otherwise, default to - * zero to prevent ISA/PCI drivers claiming IO space (and potentially - * oopsing.) - * - * Only set this larger if you really need inb() et.al. to operate over - * a larger address space. Note that SOC_COMMON ioremaps each sockets - * IO space area, and so inb() et.al. must be defined to operate as per - * readb() et.al. on such platforms. - */ -#ifndef IO_SPACE_LIMIT -#if defined(CONFIG_PCMCIA_SOC_COMMON) || defined(CONFIG_PCMCIA_SOC_COMMON_MODULE) -#define IO_SPACE_LIMIT ((resource_size_t)0xffffffff) -#elif defined(CONFIG_PCI) || defined(CONFIG_ISA) || defined(CONFIG_PCCARD) -#define IO_SPACE_LIMIT ((resource_size_t)0xffff) -#else -#define IO_SPACE_LIMIT ((resource_size_t)0) -#endif -#endif - -/* - * IO port access primitives - * ------------------------- - * - * The ARM doesn't have special IO access instructions; all IO is memory - * mapped. Note that these are defined to perform little endian accesses - * only. Their primary purpose is to access PCI and ISA peripherals. - * - * Note that for a big endian machine, this implies that the following - * big endian mode connectivity is in place, as described by numerous - * ARM documents: - * - * PCI: D0-D7 D8-D15 D16-D23 D24-D31 - * ARM: D24-D31 D16-D23 D8-D15 D0-D7 - * - * The machine specific io.h include defines __io to translate an "IO" - * address to a memory address. - * - * Note that we prevent GCC re-ordering or caching values in expressions - * by introducing sequence points into the in*() definitions. Note that - * __raw_* do not guarantee this behaviour. - * - * The {in,out}[bwl] macros are for emulating x86-style PCI/ISA IO space. - */ -#ifdef __io -#define outb(v,p) ({ __iowmb(); __raw_writeb(v,__io(p)); }) -#define outw(v,p) ({ __iowmb(); __raw_writew((__force __u16) \ - cpu_to_le16(v),__io(p)); }) -#define outl(v,p) ({ __iowmb(); __raw_writel((__force __u32) \ - cpu_to_le32(v),__io(p)); }) - -#define inb(p) ({ __u8 __v = __raw_readb(__io(p)); __iormb(); __v; }) -#define inw(p) ({ __u16 __v = le16_to_cpu((__force __le16) \ - __raw_readw(__io(p))); __iormb(); __v; }) -#define inl(p) ({ __u32 __v = le32_to_cpu((__force __le32) \ - __raw_readl(__io(p))); __iormb(); __v; }) - -#define outsb(p,d,l) __raw_writesb(__io(p),d,l) -#define outsw(p,d,l) __raw_writesw(__io(p),d,l) -#define outsl(p,d,l) __raw_writesl(__io(p),d,l) - -#define insb(p,d,l) __raw_readsb(__io(p),d,l) -#define insw(p,d,l) __raw_readsw(__io(p),d,l) -#define insl(p,d,l) __raw_readsl(__io(p),d,l) -#endif - -#define outb_p(val,port) outb((val),(port)) -#define outw_p(val,port) outw((val),(port)) -#define outl_p(val,port) outl((val),(port)) -#define inb_p(port) inb((port)) -#define inw_p(port) inw((port)) -#define inl_p(port) inl((port)) - -#define outsb_p(port,from,len) outsb(port,from,len) -#define outsw_p(port,from,len) outsw(port,from,len) -#define outsl_p(port,from,len) outsl(port,from,len) -#define insb_p(port,to,len) insb(port,to,len) -#define insw_p(port,to,len) insw(port,to,len) -#define insl_p(port,to,len) insl(port,to,len) - -/* - * String version of IO memory access ops: - */ -extern void _memcpy_fromio(void *, const volatile void __iomem *, size_t); -extern void _memcpy_toio(volatile void __iomem *, const void *, size_t); -extern void _memset_io(volatile void __iomem *, int, size_t); - -#define mmiowb() - -/* - * Memory access primitives - * ------------------------ - * - * These perform PCI memory accesses via an ioremap region. They don't - * take an address as such, but a cookie. - * - * Again, this are defined to perform little endian accesses. See the - * IO port primitives for more information. - */ -#ifndef readl -#define readb_relaxed(c) ({ u8 __r = __raw_readb(c); __r; }) -#define readw_relaxed(c) ({ u16 __r = le16_to_cpu((__force __le16) \ - __raw_readw(c)); __r; }) -#define readl_relaxed(c) ({ u32 __r = le32_to_cpu((__force __le32) \ - __raw_readl(c)); __r; }) - -#define writeb_relaxed(v,c) ((void)__raw_writeb(v,c)) -#define writew_relaxed(v,c) ((void)__raw_writew((__force u16) \ - cpu_to_le16(v),c)) -#define writel_relaxed(v,c) ((void)__raw_writel((__force u32) \ - cpu_to_le32(v),c)) - -#define readb(c) ({ u8 __v = readb_relaxed(c); __iormb(); __v; }) -#define readw(c) ({ u16 __v = readw_relaxed(c); __iormb(); __v; }) -#define readl(c) ({ u32 __v = readl_relaxed(c); __iormb(); __v; }) - -#define writeb(v,c) ({ __iowmb(); writeb_relaxed(v,c); }) -#define writew(v,c) ({ __iowmb(); writew_relaxed(v,c); }) -#define writel(v,c) ({ __iowmb(); writel_relaxed(v,c); }) - -#define readsb(p,d,l) __raw_readsb(p,d,l) -#define readsw(p,d,l) __raw_readsw(p,d,l) -#define readsl(p,d,l) __raw_readsl(p,d,l) - -#define writesb(p,d,l) __raw_writesb(p,d,l) -#define writesw(p,d,l) __raw_writesw(p,d,l) -#define writesl(p,d,l) __raw_writesl(p,d,l) - -#define memset_io(c,v,l) _memset_io(c,(v),(l)) -#define memcpy_fromio(a,c,l) _memcpy_fromio((a),c,(l)) -#define memcpy_toio(c,a,l) _memcpy_toio(c,(a),(l)) - -#endif /* readl */ - -/* - * ioremap and friends. - * - * ioremap takes a PCI memory address, as specified in - * Documentation/io-mapping.txt. - * - */ -#define ioremap(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE) -#define ioremap_nocache(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE) -#define ioremap_cached(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_CACHED) -#define ioremap_wc(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_WC) -#define iounmap __arm_iounmap - -/* - * io{read,write}{8,16,32} macros - */ -#ifndef ioread8 -#define ioread8(p) ({ unsigned int __v = __raw_readb(p); __iormb(); __v; }) -#define ioread16(p) ({ unsigned int __v = le16_to_cpu((__force __le16)__raw_readw(p)); __iormb(); __v; }) -#define ioread32(p) ({ unsigned int __v = le32_to_cpu((__force __le32)__raw_readl(p)); __iormb(); __v; }) - -#define ioread16be(p) ({ unsigned int __v = be16_to_cpu((__force __be16)__raw_readw(p)); __iormb(); __v; }) -#define ioread32be(p) ({ unsigned int __v = be32_to_cpu((__force __be32)__raw_readl(p)); __iormb(); __v; }) - -#define iowrite8(v,p) ({ __iowmb(); (void)__raw_writeb(v, p); }) -#define iowrite16(v,p) ({ __iowmb(); (void)__raw_writew((__force __u16)cpu_to_le16(v), p); }) -#define iowrite32(v,p) ({ __iowmb(); (void)__raw_writel((__force __u32)cpu_to_le32(v), p); }) - -#define iowrite16be(v,p) ({ __iowmb(); (void)__raw_writew((__force __u16)cpu_to_be16(v), p); }) -#define iowrite32be(v,p) ({ __iowmb(); (void)__raw_writel((__force __u32)cpu_to_be32(v), p); }) - -#define ioread8_rep(p,d,c) __raw_readsb(p,d,c) -#define ioread16_rep(p,d,c) __raw_readsw(p,d,c) -#define ioread32_rep(p,d,c) __raw_readsl(p,d,c) - -#define iowrite8_rep(p,s,c) __raw_writesb(p,s,c) -#define iowrite16_rep(p,s,c) __raw_writesw(p,s,c) -#define iowrite32_rep(p,s,c) __raw_writesl(p,s,c) - -extern void __iomem *ioport_map(unsigned long port, unsigned int nr); -extern void ioport_unmap(void __iomem *addr); -#endif - -struct pci_dev; - -extern void pci_iounmap(struct pci_dev *dev, void __iomem *addr); - -/* - * can the hardware map this into one segment or not, given no other - * constraints. - */ -#define BIOVEC_MERGEABLE(vec1, vec2) \ - ((bvec_to_phys((vec1)) + (vec1)->bv_len) == bvec_to_phys((vec2))) - -#ifdef CONFIG_MMU -#define ARCH_HAS_VALID_PHYS_ADDR_RANGE -extern int valid_phys_addr_range(unsigned long addr, size_t size); -extern int valid_mmap_phys_addr_range(unsigned long pfn, size_t size); -extern int devmem_is_allowed(unsigned long pfn); -#endif - -/* - * Convert a physical pointer to a virtual kernel pointer for /dev/mem - * access - */ -#define xlate_dev_mem_ptr(p) __va(p) - -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - -/* - * Register ISA memory and port locations for glibc iopl/inb/outb - * emulation. - */ -extern void register_isa_ports(unsigned int mmio, unsigned int io, - unsigned int io_shift); - -#endif /* __KERNEL__ */ -#endif /* __ASM_ARM_IO_H */ |