1 /*
2 NinjaSCSI I/O funtions
3 By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>
4
5 This software may be used and distributed according to the terms of
6 the GNU General Public License.
7
8 */
9
10 /* $Id: nsp_io.h,v 1.3 2003/08/04 21:15:26 elca Exp $ */
11
12 #ifndef __NSP_IO_H__
13 #define __NSP_IO_H__
14
15 static inline void nsp_write(unsigned int base,
16 unsigned int index,
17 unsigned char val);
18 static inline unsigned char nsp_read(unsigned int base,
19 unsigned int index);
20 static inline void nsp_index_write(unsigned int BaseAddr,
21 unsigned int Register,
22 unsigned char Value);
23 static inline unsigned char nsp_index_read(unsigned int BaseAddr,
24 unsigned int Register);
25
26 /*******************************************************************
27 * Basic IO
28 */
29
30 static inline void nsp_write(unsigned int base,
31 unsigned int index,
32 unsigned char val)
33 {
34 outb(val, (base + index));
35 }
36
37 static inline unsigned char nsp_read(unsigned int base,
38 unsigned int index)
39 {
40 return inb(base + index);
41 }
42
43
44 /**********************************************************************
45 * Indexed IO
46 */
47 static inline unsigned char nsp_index_read(unsigned int BaseAddr,
48 unsigned int Register)
49 {
50 outb(Register, BaseAddr + INDEXREG);
51 return inb(BaseAddr + DATAREG);
52 }
53
54 static inline void nsp_index_write(unsigned int BaseAddr,
55 unsigned int Register,
56 unsigned char Value)
57 {
58 outb(Register, BaseAddr + INDEXREG);
59 outb(Value, BaseAddr + DATAREG);
60 }
61
62 /*********************************************************************
63 * fifo func
64 */
65
66 /* read 8 bit FIFO */
67 static inline void nsp_multi_read_1(unsigned int BaseAddr,
68 unsigned int Register,
69 void *buf,
70 unsigned long count)
71 {
72 insb(BaseAddr + Register, buf, count);
73 }
74
75 static inline void nsp_fifo8_read(unsigned int base,
76 void *buf,
77 unsigned long count)
78 {
79 /*nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx", buf, count);*/
80 nsp_multi_read_1(base, FIFODATA, buf, count);
81 }
82
83 /*--------------------------------------------------------------*/
84
85 /* read 16 bit FIFO */
86 static inline void nsp_multi_read_2(unsigned int BaseAddr,
87 unsigned int Register,
88 void *buf,
89 unsigned long count)
90 {
91 insw(BaseAddr + Register, buf, count);
92 }
93
94 static inline void nsp_fifo16_read(unsigned int base,
95 void *buf,
96 unsigned long count)
97 {
98 //nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*2", buf, count);
99 nsp_multi_read_2(base, FIFODATA, buf, count);
100 }
101
102 /*--------------------------------------------------------------*/
103
104 /* read 32bit FIFO */
105 static inline void nsp_multi_read_4(unsigned int BaseAddr,
106 unsigned int Register,
107 void *buf,
108 unsigned long count)
109 {
110 insl(BaseAddr + Register, buf, count);
111 }
112
113 static inline void nsp_fifo32_read(unsigned int base,
114 void *buf,
115 unsigned long count)
116 {
117 //nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*4", buf, count);
118 nsp_multi_read_4(base, FIFODATA, buf, count);
119 }
120
121 /*----------------------------------------------------------*/
122
123 /* write 8bit FIFO */
124 static inline void nsp_multi_write_1(unsigned int BaseAddr,
125 unsigned int Register,
126 void *buf,
127 unsigned long count)
128 {
129 outsb(BaseAddr + Register, buf, count);
130 }
131
132 static inline void nsp_fifo8_write(unsigned int base,
133 void *buf,
134 unsigned long count)
135 {
136 nsp_multi_write_1(base, FIFODATA, buf, count);
137 }
138
139 /*---------------------------------------------------------*/
140
141 /* write 16bit FIFO */
142 static inline void nsp_multi_write_2(unsigned int BaseAddr,
143 unsigned int Register,
144 void *buf,
145 unsigned long count)
146 {
147 outsw(BaseAddr + Register, buf, count);
148 }
149
150 static inline void nsp_fifo16_write(unsigned int base,
151 void *buf,
152 unsigned long count)
153 {
154 nsp_multi_write_2(base, FIFODATA, buf, count);
155 }
156
157 /*---------------------------------------------------------*/
158
159 /* write 32bit FIFO */
160 static inline void nsp_multi_write_4(unsigned int BaseAddr,
161 unsigned int Register,
162 void *buf,
163 unsigned long count)
164 {
165 outsl(BaseAddr + Register, buf, count);
166 }
167
168 static inline void nsp_fifo32_write(unsigned int base,
169 void *buf,
170 unsigned long count)
171 {
172 nsp_multi_write_4(base, FIFODATA, buf, count);
173 }
174
175
176 /*====================================================================*/
177
178 static inline void nsp_mmio_write(unsigned long base,
179 unsigned int index,
180 unsigned char val)
181 {
182 unsigned char *ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + index);
183
184 writeb(val, ptr);
185 }
186
187 static inline unsigned char nsp_mmio_read(unsigned long base,
188 unsigned int index)
189 {
190 unsigned char *ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + index);
191
192 return readb(ptr);
193 }
194
195 /*-----------*/
196
197 static inline unsigned char nsp_mmio_index_read(unsigned long base,
198 unsigned int reg)
199 {
200 unsigned char *index_ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + INDEXREG);
201 unsigned char *data_ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + DATAREG);
202
203 writeb((unsigned char)reg, index_ptr);
204 return readb(data_ptr);
205 }
206
207 static inline void nsp_mmio_index_write(unsigned long base,
208 unsigned int reg,
209 unsigned char val)
210 {
211 unsigned char *index_ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + INDEXREG);
212 unsigned char *data_ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + DATAREG);
213
214 writeb((unsigned char)reg, index_ptr);
215 writeb(val, data_ptr);
216 }
217
218 /* read 32bit FIFO */
219 static inline void nsp_mmio_multi_read_4(unsigned long base,
220 unsigned int Register,
221 void *buf,
222 unsigned long count)
223 {
224 unsigned long *ptr = (unsigned long *)(base + Register);
225 unsigned long *tmp = (unsigned long *)buf;
226 int i;
227
228 //nsp_dbg(NSP_DEBUG_DATA_IO, "base 0x%0lx ptr 0x%p",base,ptr);
229
230 for (i = 0; i < count; i++) {
231 *tmp = readl(ptr);
232 //nsp_dbg(NSP_DEBUG_DATA_IO, "<%d,%p,%p,%lx>", i, ptr, tmp, *tmp);
233 tmp++;
234 }
235 }
236
237 static inline void nsp_mmio_fifo32_read(unsigned int base,
238 void *buf,
239 unsigned long count)
240 {
241 //nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*4", buf, count);
242 nsp_mmio_multi_read_4(base, FIFODATA, buf, count);
243 }
244
245 static inline void nsp_mmio_multi_write_4(unsigned long base,
246 unsigned int Register,
247 void *buf,
248 unsigned long count)
249 {
250 unsigned long *ptr = (unsigned long *)(base + Register);
251 unsigned long *tmp = (unsigned long *)buf;
252 int i;
253
254 //nsp_dbg(NSP_DEBUG_DATA_IO, "base 0x%0lx ptr 0x%p",base,ptr);
255
256 for (i = 0; i < count; i++) {
257 writel(*tmp, ptr);
258 //nsp_dbg(NSP_DEBUG_DATA_IO, "<%d,%p,%p,%lx>", i, ptr, tmp, *tmp);
259 tmp++;
260 }
261 }
262
263 static inline void nsp_mmio_fifo32_write(unsigned int base,
264 void *buf,
265 unsigned long count)
266 {
267 //nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*4", buf, count);
268 nsp_mmio_multi_write_4(base, FIFODATA, buf, count);
269 }
270
271
272
273 #endif
274 /* end */
275
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