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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * arch/sh/kernel/iomap.c
4 *
5 * Copyright (C) 2000 Niibe Yutaka
6 * Copyright (C) 2005 - 2007 Paul Mundt
7 */
8#include <linux/module.h>
9#include <linux/io.h>
10
11unsigned int ioread8(void __iomem *addr)
12{
13 return readb(addr);
14}
15EXPORT_SYMBOL(ioread8);
16
17unsigned int ioread16(void __iomem *addr)
18{
19 return readw(addr);
20}
21EXPORT_SYMBOL(ioread16);
22
23unsigned int ioread16be(void __iomem *addr)
24{
25 return be16_to_cpu(__raw_readw(addr));
26}
27EXPORT_SYMBOL(ioread16be);
28
29unsigned int ioread32(void __iomem *addr)
30{
31 return readl(addr);
32}
33EXPORT_SYMBOL(ioread32);
34
35unsigned int ioread32be(void __iomem *addr)
36{
37 return be32_to_cpu(__raw_readl(addr));
38}
39EXPORT_SYMBOL(ioread32be);
40
41void iowrite8(u8 val, void __iomem *addr)
42{
43 writeb(val, addr);
44}
45EXPORT_SYMBOL(iowrite8);
46
47void iowrite16(u16 val, void __iomem *addr)
48{
49 writew(val, addr);
50}
51EXPORT_SYMBOL(iowrite16);
52
53void iowrite16be(u16 val, void __iomem *addr)
54{
55 __raw_writew(cpu_to_be16(val), addr);
56}
57EXPORT_SYMBOL(iowrite16be);
58
59void iowrite32(u32 val, void __iomem *addr)
60{
61 writel(val, addr);
62}
63EXPORT_SYMBOL(iowrite32);
64
65void iowrite32be(u32 val, void __iomem *addr)
66{
67 __raw_writel(cpu_to_be32(val), addr);
68}
69EXPORT_SYMBOL(iowrite32be);
70
71/*
72 * These are the "repeat MMIO read/write" functions.
73 * Note the "__raw" accesses, since we don't want to
74 * convert to CPU byte order. We write in "IO byte
75 * order" (we also don't have IO barriers).
76 */
77static inline void mmio_insb(void __iomem *addr, u8 *dst, int count)
78{
79 while (--count >= 0) {
80 u8 data = __raw_readb(addr);
81 *dst = data;
82 dst++;
83 }
84}
85
86static inline void mmio_insw(void __iomem *addr, u16 *dst, int count)
87{
88 while (--count >= 0) {
89 u16 data = __raw_readw(addr);
90 *dst = data;
91 dst++;
92 }
93}
94
95static inline void mmio_insl(void __iomem *addr, u32 *dst, int count)
96{
97 while (--count >= 0) {
98 u32 data = __raw_readl(addr);
99 *dst = data;
100 dst++;
101 }
102}
103
104static inline void mmio_outsb(void __iomem *addr, const u8 *src, int count)
105{
106 while (--count >= 0) {
107 __raw_writeb(*src, addr);
108 src++;
109 }
110}
111
112static inline void mmio_outsw(void __iomem *addr, const u16 *src, int count)
113{
114 while (--count >= 0) {
115 __raw_writew(*src, addr);
116 src++;
117 }
118}
119
120static inline void mmio_outsl(void __iomem *addr, const u32 *src, int count)
121{
122 while (--count >= 0) {
123 __raw_writel(*src, addr);
124 src++;
125 }
126}
127
128void ioread8_rep(void __iomem *addr, void *dst, unsigned long count)
129{
130 mmio_insb(addr, dst, count);
131}
132EXPORT_SYMBOL(ioread8_rep);
133
134void ioread16_rep(void __iomem *addr, void *dst, unsigned long count)
135{
136 mmio_insw(addr, dst, count);
137}
138EXPORT_SYMBOL(ioread16_rep);
139
140void ioread32_rep(void __iomem *addr, void *dst, unsigned long count)
141{
142 mmio_insl(addr, dst, count);
143}
144EXPORT_SYMBOL(ioread32_rep);
145
146void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count)
147{
148 mmio_outsb(addr, src, count);
149}
150EXPORT_SYMBOL(iowrite8_rep);
151
152void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count)
153{
154 mmio_outsw(addr, src, count);
155}
156EXPORT_SYMBOL(iowrite16_rep);
157
158void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count)
159{
160 mmio_outsl(addr, src, count);
161}
162EXPORT_SYMBOL(iowrite32_rep);
1/*
2 * arch/sh/kernel/iomap.c
3 *
4 * Copyright (C) 2000 Niibe Yutaka
5 * Copyright (C) 2005 - 2007 Paul Mundt
6 *
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License. See the file "COPYING" in the main directory of this archive
9 * for more details.
10 */
11#include <linux/module.h>
12#include <linux/io.h>
13
14unsigned int ioread8(void __iomem *addr)
15{
16 return readb(addr);
17}
18EXPORT_SYMBOL(ioread8);
19
20unsigned int ioread16(void __iomem *addr)
21{
22 return readw(addr);
23}
24EXPORT_SYMBOL(ioread16);
25
26unsigned int ioread16be(void __iomem *addr)
27{
28 return be16_to_cpu(__raw_readw(addr));
29}
30EXPORT_SYMBOL(ioread16be);
31
32unsigned int ioread32(void __iomem *addr)
33{
34 return readl(addr);
35}
36EXPORT_SYMBOL(ioread32);
37
38unsigned int ioread32be(void __iomem *addr)
39{
40 return be32_to_cpu(__raw_readl(addr));
41}
42EXPORT_SYMBOL(ioread32be);
43
44void iowrite8(u8 val, void __iomem *addr)
45{
46 writeb(val, addr);
47}
48EXPORT_SYMBOL(iowrite8);
49
50void iowrite16(u16 val, void __iomem *addr)
51{
52 writew(val, addr);
53}
54EXPORT_SYMBOL(iowrite16);
55
56void iowrite16be(u16 val, void __iomem *addr)
57{
58 __raw_writew(cpu_to_be16(val), addr);
59}
60EXPORT_SYMBOL(iowrite16be);
61
62void iowrite32(u32 val, void __iomem *addr)
63{
64 writel(val, addr);
65}
66EXPORT_SYMBOL(iowrite32);
67
68void iowrite32be(u32 val, void __iomem *addr)
69{
70 __raw_writel(cpu_to_be32(val), addr);
71}
72EXPORT_SYMBOL(iowrite32be);
73
74/*
75 * These are the "repeat MMIO read/write" functions.
76 * Note the "__raw" accesses, since we don't want to
77 * convert to CPU byte order. We write in "IO byte
78 * order" (we also don't have IO barriers).
79 */
80static inline void mmio_insb(void __iomem *addr, u8 *dst, int count)
81{
82 while (--count >= 0) {
83 u8 data = __raw_readb(addr);
84 *dst = data;
85 dst++;
86 }
87}
88
89static inline void mmio_insw(void __iomem *addr, u16 *dst, int count)
90{
91 while (--count >= 0) {
92 u16 data = __raw_readw(addr);
93 *dst = data;
94 dst++;
95 }
96}
97
98static inline void mmio_insl(void __iomem *addr, u32 *dst, int count)
99{
100 while (--count >= 0) {
101 u32 data = __raw_readl(addr);
102 *dst = data;
103 dst++;
104 }
105}
106
107static inline void mmio_outsb(void __iomem *addr, const u8 *src, int count)
108{
109 while (--count >= 0) {
110 __raw_writeb(*src, addr);
111 src++;
112 }
113}
114
115static inline void mmio_outsw(void __iomem *addr, const u16 *src, int count)
116{
117 while (--count >= 0) {
118 __raw_writew(*src, addr);
119 src++;
120 }
121}
122
123static inline void mmio_outsl(void __iomem *addr, const u32 *src, int count)
124{
125 while (--count >= 0) {
126 __raw_writel(*src, addr);
127 src++;
128 }
129}
130
131void ioread8_rep(void __iomem *addr, void *dst, unsigned long count)
132{
133 mmio_insb(addr, dst, count);
134}
135EXPORT_SYMBOL(ioread8_rep);
136
137void ioread16_rep(void __iomem *addr, void *dst, unsigned long count)
138{
139 mmio_insw(addr, dst, count);
140}
141EXPORT_SYMBOL(ioread16_rep);
142
143void ioread32_rep(void __iomem *addr, void *dst, unsigned long count)
144{
145 mmio_insl(addr, dst, count);
146}
147EXPORT_SYMBOL(ioread32_rep);
148
149void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count)
150{
151 mmio_outsb(addr, src, count);
152}
153EXPORT_SYMBOL(iowrite8_rep);
154
155void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count)
156{
157 mmio_outsw(addr, src, count);
158}
159EXPORT_SYMBOL(iowrite16_rep);
160
161void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count)
162{
163 mmio_outsl(addr, src, count);
164}
165EXPORT_SYMBOL(iowrite32_rep);