1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _H8300_IO_H
 3#define _H8300_IO_H
 4
 5#ifdef __KERNEL__
 6
 7#include <linux/types.h>
 8
 9/* H8/300 internal I/O functions */
10
11#define __raw_readb __raw_readb
12static inline u8 __raw_readb(const volatile void __iomem *addr)
13{
14	return *(volatile u8 *)addr;
15}
16
17#define __raw_readw __raw_readw
18static inline u16 __raw_readw(const volatile void __iomem *addr)
19{
20	return *(volatile u16 *)addr;
21}
22
23#define __raw_readl __raw_readl
24static inline u32  __raw_readl(const volatile void __iomem *addr)
25{
26	return *(volatile u32 *)addr;
27}
28
29#define __raw_writeb __raw_writeb
30static inline void __raw_writeb(u8 b, const volatile void __iomem *addr)
31{
32	*(volatile u8 *)addr = b;
33}
34
35#define __raw_writew __raw_writew
36static inline void __raw_writew(u16 b, const volatile void __iomem *addr)
37{
38	*(volatile u16 *)addr = b;
39}
40
41#define __raw_writel __raw_writel
42static inline void __raw_writel(u32 b, const volatile void __iomem *addr)
43{
44	*(volatile u32 *)addr = b;
45}
46
47static inline void ctrl_bclr(int b, void __iomem *addr)
48{
49	if (__builtin_constant_p(b))
50		__asm__("bclr %1,%0" : "+WU"(*(u8 *)addr): "i"(b));
51	else
52		__asm__("bclr %w1,%0" : "+WU"(*(u8 *)addr): "r"(b));
53}
54
55static inline void ctrl_bset(int b, void __iomem *addr)
56{
57	if (__builtin_constant_p(b))
58		__asm__("bset %1,%0" : "+WU"(*(u8 *)addr): "i"(b));
59	else
60		__asm__("bset %w1,%0" : "+WU"(*(u8 *)addr): "r"(b));
61}
62
63#include <asm-generic/io.h>
64
65#endif /* __KERNEL__ */
66
67#endif /* _H8300_IO_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _H8300_IO_H
 3#define _H8300_IO_H
 4
 5#ifdef __KERNEL__
 6
 7#include <linux/types.h>
 8
 9/* H8/300 internal I/O functions */
10
11#define __raw_readb __raw_readb
12static inline u8 __raw_readb(const volatile void __iomem *addr)
13{
14	return *(volatile u8 *)addr;
15}
16
17#define __raw_readw __raw_readw
18static inline u16 __raw_readw(const volatile void __iomem *addr)
19{
20	return *(volatile u16 *)addr;
21}
22
23#define __raw_readl __raw_readl
24static inline u32  __raw_readl(const volatile void __iomem *addr)
25{
26	return *(volatile u32 *)addr;
27}
28
29#define __raw_writeb __raw_writeb
30static inline void __raw_writeb(u8 b, const volatile void __iomem *addr)
31{
32	*(volatile u8 *)addr = b;
33}
34
35#define __raw_writew __raw_writew
36static inline void __raw_writew(u16 b, const volatile void __iomem *addr)
37{
38	*(volatile u16 *)addr = b;
39}
40
41#define __raw_writel __raw_writel
42static inline void __raw_writel(u32 b, const volatile void __iomem *addr)
43{
44	*(volatile u32 *)addr = b;
45}
46
47static inline void ctrl_bclr(int b, void __iomem *addr)
48{
49	if (__builtin_constant_p(b))
50		__asm__("bclr %1,%0" : "+WU"(*(u8 *)addr): "i"(b));
51	else
52		__asm__("bclr %w1,%0" : "+WU"(*(u8 *)addr): "r"(b));
53}
54
55static inline void ctrl_bset(int b, void __iomem *addr)
56{
57	if (__builtin_constant_p(b))
58		__asm__("bset %1,%0" : "+WU"(*(u8 *)addr): "i"(b));
59	else
60		__asm__("bset %w1,%0" : "+WU"(*(u8 *)addr): "r"(b));
61}
62
63#include <asm-generic/io.h>
64
65#endif /* __KERNEL__ */
66
67#endif /* _H8300_IO_H */