1 /* SPDX-License-Identifier: GPL-2.0-only */
5  * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
30 extern void iounmap(const volatile void __iomem *addr);
33 extern void __raw_readsw(const void __iomem *addr, void *data, int wordlen);
34 extern void __raw_writesw(void __iomem *addr, const void *data, int wordlen);
36 extern void __raw_readsl(const void __iomem *addr, void *data, int wordlen);
37 extern void __raw_writesl(void __iomem *addr, const void *data, int wordlen);
46  * virt_to_phys - map virtual address to physical
55  * phys_to_virt - map physical address to virtual
79  * readb - read byte from memory mapped device
80  * @addr:  pointer to memory
84 static inline u8 readb(const volatile void __iomem *addr)  in readb()  argument
90 		: "r" (addr)  in readb()
95 static inline u16 readw(const volatile void __iomem *addr)  in readw()  argument
101 		: "r" (addr)  in readw()
106 static inline u32 readl(const volatile void __iomem *addr)  in readl()  argument
112 		: "r" (addr)  in readl()
118  * writeb - write a byte to a memory location
119  * @data: data to write to
120  * @addr:  pointer to memory
123 static inline void writeb(u8 data, volatile void __iomem *addr)  in writeb()  argument
128 		: "r" (addr), "r" (data)  in writeb()
133 static inline void writew(u16 data, volatile void __iomem *addr)  in writew()  argument
138 		: "r" (addr), "r" (data)  in writew()
144 static inline void writel(u32 data, volatile void __iomem *addr)  in writel()  argument
149 		: "r" (addr), "r" (data)  in writel()
192 static inline void memset_io(volatile void __iomem *addr, int value,  in memset_io()  argument
195 	memset((void __force *)addr, value, size);  in memset_io()
201  * inb - read byte from I/O port or something
222  * outb - write a byte to a memory location
223  * @data: data to write to
224  * @addr:  address in I/O space
226 static inline void outb(u8 data, unsigned long port)  in outb()  argument
228 	writeb(data, _IO_BASE + (port & IO_SPACE_LIMIT));  in outb()
231 static inline void outw(u16 data, unsigned long port)  in outw()  argument
233 	writew(data, _IO_BASE + (port & IO_SPACE_LIMIT));  in outw()
236 static inline void outl(u32 data, unsigned long port)  in outl()  argument
238 	writel(data, _IO_BASE + (port & IO_SPACE_LIMIT));  in outl()
256 		} while (--count);  in insb()
267 		} while (--count);  in insw()
278 		} while (--count);  in insl()
288 		} while (--count);  in outsb()
298 		} while (--count);  in outsw()
308 		} while (--count);  in outsl()