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nsp_io.h
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1 /*
2  NinjaSCSI I/O funtions
3  By: YOKOTA Hiroshi <[email protected]>
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 */
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