diff options
Diffstat (limited to 'include/asm-arm/io.h')
-rw-r--r-- | include/asm-arm/io.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h index 658ffa384fda..08a46302d265 100644 --- a/include/asm-arm/io.h +++ b/include/asm-arm/io.h | |||
@@ -273,6 +273,33 @@ extern void __iounmap(void __iomem *addr); | |||
273 | #endif | 273 | #endif |
274 | 274 | ||
275 | /* | 275 | /* |
276 | * io{read,write}{8,16,32} macros | ||
277 | */ | ||
278 | #define ioread8(p) ({ unsigned int __v = __raw_readb(p); __v; }) | ||
279 | #define ioread16(p) ({ unsigned int __v = le16_to_cpu(__raw_readw(p)); __v; }) | ||
280 | #define ioread32(p) ({ unsigned int __v = le32_to_cpu(__raw_readl(p)); __v; }) | ||
281 | |||
282 | #define iowrite8(v,p) __raw_writeb(v, p) | ||
283 | #define iowrite16(v,p) __raw_writew(cpu_to_le16(v), p) | ||
284 | #define iowrite32(v,p) __raw_writel(cpu_to_le32(v), p) | ||
285 | |||
286 | #define ioread8_rep(p,d,c) __raw_readsb(p,d,c) | ||
287 | #define ioread16_rep(p,d,c) __raw_readsw(p,d,c) | ||
288 | #define ioread32_rep(p,d,c) __raw_readsl(p,d,c) | ||
289 | |||
290 | #define iowrite8_rep(p,s,c) __raw_writesb(p,s,c) | ||
291 | #define iowrite16_rep(p,s,c) __raw_writesw(p,s,c) | ||
292 | #define iowrite32_rep(p,s,c) __raw_writesl(p,s,c) | ||
293 | |||
294 | extern void __iomem *ioport_map(unsigned long port, unsigned int nr); | ||
295 | extern void ioport_unmap(void __iomem *addr); | ||
296 | |||
297 | struct pci_dev; | ||
298 | |||
299 | extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen); | ||
300 | extern void pci_iounmap(struct pci_dev *dev, void __iomem *addr); | ||
301 | |||
302 | /* | ||
276 | * can the hardware map this into one segment or not, given no other | 303 | * can the hardware map this into one segment or not, given no other |
277 | * constraints. | 304 | * constraints. |
278 | */ | 305 | */ |