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
78  * readb - read byte from memory mapped device
79  * @addr:  pointer to memory
83 static inline u8 readb(const volatile void __iomem *addr)  in readb()  argument
89 		: "r" (addr)  in readb()
94 static inline u16 readw(const volatile void __iomem *addr)  in readw()  argument
100 		: "r" (addr)  in readw()
105 static inline u32 readl(const volatile void __iomem *addr)  in readl()  argument
111 		: "r" (addr)  in readl()
117  * writeb - write a byte to a memory location
118  * @data: data to write to
119  * @addr:  pointer to memory
122 static inline void writeb(u8 data, volatile void __iomem *addr)  in writeb()  argument
127 		: "r" (addr), "r" (data)  in writeb()
132 static inline void writew(u16 data, volatile void __iomem *addr)  in writew()  argument
137 		: "r" (addr), "r" (data)  in writew()
143 static inline void writel(u32 data, volatile void __iomem *addr)  in writel()  argument
148 		: "r" (addr), "r" (data)  in writel()
191 static inline void memset_io(volatile void __iomem *addr, int value,  in memset_io()  argument
194 	memset((void __force *)addr, value, size);  in memset_io()
200  * inb - read byte from I/O port or something
221  * outb - write a byte to a memory location
222  * @data: data to write to
223  * @addr:  address in I/O space
225 static inline void outb(u8 data, unsigned long port)  in outb()  argument
227 	writeb(data, _IO_BASE + (port & IO_SPACE_LIMIT));  in outb()
230 static inline void outw(u16 data, unsigned long port)  in outw()  argument
232 	writew(data, _IO_BASE + (port & IO_SPACE_LIMIT));  in outw()
235 static inline void outl(u32 data, unsigned long port)  in outl()  argument
237 	writel(data, _IO_BASE + (port & IO_SPACE_LIMIT));  in outl()
255 		} while (--count);  in insb()
266 		} while (--count);  in insw()
277 		} while (--count);  in insl()
287 		} while (--count);  in outsb()
297 		} while (--count);  in outsw()
307 		} while (--count);  in outsl()