X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fioport.h;h=83aa81297ea35c693e15b14b54bf2690d9af9648;hb=0719d3434747889b314a1e8add776418c4148bcf;hp=cf8696d4a138824cf11a3e899ebae39f7a4bd69f;hpb=a2302c68d923537436b1114aa207787c1a31bd50;p=safe%2Fjmp%2Flinux-2.6 diff --git a/include/linux/ioport.h b/include/linux/ioport.h index cf8696d..83aa812 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -8,6 +8,7 @@ #ifndef _LINUX_IOPORT_H #define _LINUX_IOPORT_H +#ifndef __ASSEMBLY__ #include #include /* @@ -33,7 +34,8 @@ struct resource_list { */ #define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */ -#define IORESOURCE_IO 0x00000100 /* Resource type */ +#define IORESOURCE_TYPE_BITS 0x00000f00 /* Resource type */ +#define IORESOURCE_IO 0x00000100 #define IORESOURCE_MEM 0x00000200 #define IORESOURCE_IRQ 0x00000400 #define IORESOURCE_DMA 0x00000800 @@ -43,21 +45,27 @@ struct resource_list { #define IORESOURCE_CACHEABLE 0x00004000 #define IORESOURCE_RANGELENGTH 0x00008000 #define IORESOURCE_SHADOWABLE 0x00010000 -#define IORESOURCE_BUS_HAS_VGA 0x00080000 +#define IORESOURCE_SIZEALIGN 0x00020000 /* size indicates alignment */ +#define IORESOURCE_STARTALIGN 0x00040000 /* start field is alignment */ + +#define IORESOURCE_MEM_64 0x00100000 + +#define IORESOURCE_EXCLUSIVE 0x08000000 /* Userland may not map this resource */ #define IORESOURCE_DISABLED 0x10000000 #define IORESOURCE_UNSET 0x20000000 #define IORESOURCE_AUTO 0x40000000 #define IORESOURCE_BUSY 0x80000000 /* Driver has marked this resource busy */ -/* ISA PnP IRQ specific bits (IORESOURCE_BITS) */ +/* PnP IRQ specific bits (IORESOURCE_BITS) */ #define IORESOURCE_IRQ_HIGHEDGE (1<<0) #define IORESOURCE_IRQ_LOWEDGE (1<<1) #define IORESOURCE_IRQ_HIGHLEVEL (1<<2) #define IORESOURCE_IRQ_LOWLEVEL (1<<3) #define IORESOURCE_IRQ_SHAREABLE (1<<4) +#define IORESOURCE_IRQ_OPTIONAL (1<<5) -/* ISA PnP DMA specific bits (IORESOURCE_BITS) */ +/* PnP DMA specific bits (IORESOURCE_BITS) */ #define IORESOURCE_DMA_TYPE_MASK (3<<0) #define IORESOURCE_DMA_8BIT (0<<0) #define IORESOURCE_DMA_8AND16BIT (1<<0) @@ -73,7 +81,7 @@ struct resource_list { #define IORESOURCE_DMA_TYPEB (2<<6) #define IORESOURCE_DMA_TYPEF (3<<6) -/* ISA PnP memory I/O specific bits (IORESOURCE_BITS) */ +/* PnP memory I/O specific bits (IORESOURCE_BITS) */ #define IORESOURCE_MEM_WRITEABLE (1<<0) /* dup: IORESOURCE_READONLY */ #define IORESOURCE_MEM_CACHEABLE (1<<1) /* dup: IORESOURCE_CACHEABLE */ #define IORESOURCE_MEM_RANGELENGTH (1<<2) /* dup: IORESOURCE_RANGELENGTH */ @@ -85,20 +93,30 @@ struct resource_list { #define IORESOURCE_MEM_SHADOWABLE (1<<5) /* dup: IORESOURCE_SHADOWABLE */ #define IORESOURCE_MEM_EXPANSIONROM (1<<6) +/* PnP I/O specific bits (IORESOURCE_BITS) */ +#define IORESOURCE_IO_16BIT_ADDR (1<<0) +#define IORESOURCE_IO_FIXED (1<<1) + /* PCI ROM control bits (IORESOURCE_BITS) */ #define IORESOURCE_ROM_ENABLE (1<<0) /* ROM is enabled, same as PCI_ROM_ADDRESS_ENABLE */ #define IORESOURCE_ROM_SHADOW (1<<1) /* ROM is copy at C000:0 */ #define IORESOURCE_ROM_COPY (1<<2) /* ROM is alloc'd copy, resource field overlaid */ #define IORESOURCE_ROM_BIOS_COPY (1<<3) /* ROM is BIOS copy, resource field overlaid */ +/* PCI control bits. Shares IORESOURCE_BITS with above PCI ROM. */ +#define IORESOURCE_PCI_FIXED (1<<4) /* Do not move resource */ + /* PC/ISA/whatever - the normal PC address spaces: IO and memory */ extern struct resource ioport_resource; extern struct resource iomem_resource; extern int request_resource(struct resource *root, struct resource *new); -extern struct resource * ____request_resource(struct resource *root, struct resource *new); extern int release_resource(struct resource *new); +extern void reserve_region_with_split(struct resource *root, + resource_size_t start, resource_size_t end, + const char *name); extern int insert_resource(struct resource *parent, struct resource *new); +extern void insert_resource_expand_to_fit(struct resource *root, struct resource *new); extern int allocate_resource(struct resource *root, struct resource *new, resource_size_t size, resource_size_t min, resource_size_t max, resource_size_t align, @@ -107,18 +125,28 @@ extern int allocate_resource(struct resource *root, struct resource *new, void *alignf_data); int adjust_resource(struct resource *res, resource_size_t start, resource_size_t size); - -/* get registered SYSTEM_RAM resources in specified area */ -extern int find_next_system_ram(struct resource *res); +resource_size_t resource_alignment(struct resource *res); +static inline resource_size_t resource_size(struct resource *res) +{ + return res->end - res->start + 1; +} +static inline unsigned long resource_type(struct resource *res) +{ + return res->flags & IORESOURCE_TYPE_BITS; +} /* Convenience shorthand with allocation */ -#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name)) -#define request_mem_region(start,n,name) __request_region(&iomem_resource, (start), (n), (name)) +#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name), 0) +#define __request_mem_region(start,n,name, excl) __request_region(&iomem_resource, (start), (n), (name), excl) +#define request_mem_region(start,n,name) __request_region(&iomem_resource, (start), (n), (name), 0) +#define request_mem_region_exclusive(start,n,name) \ + __request_region(&iomem_resource, (start), (n), (name), IORESOURCE_EXCLUSIVE) #define rename_region(region, newname) do { (region)->name = (newname); } while (0) extern struct resource * __request_region(struct resource *, resource_size_t start, - resource_size_t n, const char *name); + resource_size_t n, + const char *name, int flags); /* Compatibility cruft */ #define release_region(start,n) __release_region(&ioport_resource, (start), (n)) @@ -134,4 +162,31 @@ static inline int __deprecated check_region(resource_size_t s, { return __check_region(&ioport_resource, s, n); } + +/* Wrappers for managed devices */ +struct device; +#define devm_request_region(dev,start,n,name) \ + __devm_request_region(dev, &ioport_resource, (start), (n), (name)) +#define devm_request_mem_region(dev,start,n,name) \ + __devm_request_region(dev, &iomem_resource, (start), (n), (name)) + +extern struct resource * __devm_request_region(struct device *dev, + struct resource *parent, resource_size_t start, + resource_size_t n, const char *name); + +#define devm_release_region(dev, start, n) \ + __devm_release_region(dev, &ioport_resource, (start), (n)) +#define devm_release_mem_region(dev, start, n) \ + __devm_release_region(dev, &iomem_resource, (start), (n)) + +extern void __devm_release_region(struct device *dev, struct resource *parent, + resource_size_t start, resource_size_t n); +extern int iomem_map_sanity_check(resource_size_t addr, unsigned long size); +extern int iomem_is_exclusive(u64 addr); + +extern int +walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages, + void *arg, int (*func)(unsigned long, unsigned long, void *)); + +#endif /* __ASSEMBLY__ */ #endif /* _LINUX_IOPORT_H */