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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Workbit NinjaSCSI-32Bi/UDE PCI/CardBus SCSI Host Bus Adapter driver
3 * I/O routine
4 *
5 * This software may be used and distributed according to the terms of
6 * the GNU General Public License.
7 */
8
9#ifndef _NSP32_IO_H
10#define _NSP32_IO_H
11
12static inline void nsp32_write1(unsigned int base,
13 unsigned int index,
14 unsigned char val)
15{
16 outb(val, (base + index));
17}
18
19static inline unsigned char nsp32_read1(unsigned int base,
20 unsigned int index)
21{
22 return inb(base + index);
23}
24
25static inline void nsp32_write2(unsigned int base,
26 unsigned int index,
27 unsigned short val)
28{
29 outw(val, (base + index));
30}
31
32static inline unsigned short nsp32_read2(unsigned int base,
33 unsigned int index)
34{
35 return inw(base + index);
36}
37
38static inline void nsp32_write4(unsigned int base,
39 unsigned int index,
40 unsigned long val)
41{
42 outl(val, (base + index));
43}
44
45static inline unsigned long nsp32_read4(unsigned int base,
46 unsigned int index)
47{
48 return inl(base + index);
49}
50
51/*==============================================*/
52
53static inline void nsp32_mmio_write1(unsigned long base,
54 unsigned int index,
55 unsigned char val)
56{
57 volatile unsigned char *ptr;
58
59 ptr = (unsigned char *)(base + NSP32_MMIO_OFFSET + index);
60
61 writeb(val, ptr);
62}
63
64static inline unsigned char nsp32_mmio_read1(unsigned long base,
65 unsigned int index)
66{
67 volatile unsigned char *ptr;
68
69 ptr = (unsigned char *)(base + NSP32_MMIO_OFFSET + index);
70
71 return readb(ptr);
72}
73
74static inline void nsp32_mmio_write2(unsigned long base,
75 unsigned int index,
76 unsigned short val)
77{
78 volatile unsigned short *ptr;
79
80 ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + index);
81
82 writew(cpu_to_le16(val), ptr);
83}
84
85static inline unsigned short nsp32_mmio_read2(unsigned long base,
86 unsigned int index)
87{
88 volatile unsigned short *ptr;
89
90 ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + index);
91
92 return le16_to_cpu(readw(ptr));
93}
94
95static inline void nsp32_mmio_write4(unsigned long base,
96 unsigned int index,
97 unsigned long val)
98{
99 volatile unsigned long *ptr;
100
101 ptr = (unsigned long *)(base + NSP32_MMIO_OFFSET + index);
102
103 writel(cpu_to_le32(val), ptr);
104}
105
106static inline unsigned long nsp32_mmio_read4(unsigned long base,
107 unsigned int index)
108{
109 volatile unsigned long *ptr;
110
111 ptr = (unsigned long *)(base + NSP32_MMIO_OFFSET + index);
112
113 return le32_to_cpu(readl(ptr));
114}
115
116/*==============================================*/
117
118static inline unsigned char nsp32_index_read1(unsigned int base,
119 unsigned int reg)
120{
121 outb(reg, base + INDEX_REG);
122 return inb(base + DATA_REG_LOW);
123}
124
125static inline void nsp32_index_write1(unsigned int base,
126 unsigned int reg,
127 unsigned char val)
128{
129 outb(reg, base + INDEX_REG );
130 outb(val, base + DATA_REG_LOW);
131}
132
133static inline unsigned short nsp32_index_read2(unsigned int base,
134 unsigned int reg)
135{
136 outb(reg, base + INDEX_REG);
137 return inw(base + DATA_REG_LOW);
138}
139
140static inline void nsp32_index_write2(unsigned int base,
141 unsigned int reg,
142 unsigned short val)
143{
144 outb(reg, base + INDEX_REG );
145 outw(val, base + DATA_REG_LOW);
146}
147
148static inline unsigned long nsp32_index_read4(unsigned int base,
149 unsigned int reg)
150{
151 unsigned long h,l;
152
153 outb(reg, base + INDEX_REG);
154 l = inw(base + DATA_REG_LOW);
155 h = inw(base + DATA_REG_HI );
156
157 return ((h << 16) | l);
158}
159
160static inline void nsp32_index_write4(unsigned int base,
161 unsigned int reg,
162 unsigned long val)
163{
164 unsigned long h,l;
165
166 h = (val & 0xffff0000) >> 16;
167 l = (val & 0x0000ffff) >> 0;
168
169 outb(reg, base + INDEX_REG );
170 outw(l, base + DATA_REG_LOW);
171 outw(h, base + DATA_REG_HI );
172}
173
174/*==============================================*/
175
176static inline unsigned char nsp32_mmio_index_read1(unsigned long base,
177 unsigned int reg)
178{
179 volatile unsigned short *index_ptr, *data_ptr;
180
181 index_ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + INDEX_REG);
182 data_ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + DATA_REG_LOW);
183
184 writeb(reg, index_ptr);
185 return readb(data_ptr);
186}
187
188static inline void nsp32_mmio_index_write1(unsigned long base,
189 unsigned int reg,
190 unsigned char val)
191{
192 volatile unsigned short *index_ptr, *data_ptr;
193
194 index_ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + INDEX_REG);
195 data_ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + DATA_REG_LOW);
196
197 writeb(reg, index_ptr);
198 writeb(val, data_ptr );
199}
200
201static inline unsigned short nsp32_mmio_index_read2(unsigned long base,
202 unsigned int reg)
203{
204 volatile unsigned short *index_ptr, *data_ptr;
205
206 index_ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + INDEX_REG);
207 data_ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + DATA_REG_LOW);
208
209 writeb(reg, index_ptr);
210 return le16_to_cpu(readw(data_ptr));
211}
212
213static inline void nsp32_mmio_index_write2(unsigned long base,
214 unsigned int reg,
215 unsigned short val)
216{
217 volatile unsigned short *index_ptr, *data_ptr;
218
219 index_ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + INDEX_REG);
220 data_ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + DATA_REG_LOW);
221
222 writeb(reg, index_ptr);
223 writew(cpu_to_le16(val), data_ptr );
224}
225
226/*==============================================*/
227
228static inline void nsp32_multi_read4(unsigned int base,
229 unsigned int reg,
230 void *buf,
231 unsigned long count)
232{
233 insl(base + reg, buf, count);
234}
235
236static inline void nsp32_fifo_read(unsigned int base,
237 void *buf,
238 unsigned long count)
239{
240 nsp32_multi_read4(base, FIFO_DATA_LOW, buf, count);
241}
242
243static inline void nsp32_multi_write4(unsigned int base,
244 unsigned int reg,
245 void *buf,
246 unsigned long count)
247{
248 outsl(base + reg, buf, count);
249}
250
251static inline void nsp32_fifo_write(unsigned int base,
252 void *buf,
253 unsigned long count)
254{
255 nsp32_multi_write4(base, FIFO_DATA_LOW, buf, count);
256}
257
258#endif /* _NSP32_IO_H */
259/* end */