xref: /openbmc/linux/drivers/scsi/nsp32_io.h (revision 1da177e4)
1 /*
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 
nsp32_write1(unsigned int base,unsigned int index,unsigned char val)12 static inline void nsp32_write1(unsigned int  base,
13 				unsigned int  index,
14 				unsigned char val)
15 {
16 	outb(val, (base + index));
17 }
18 
nsp32_read1(unsigned int base,unsigned int index)19 static inline unsigned char nsp32_read1(unsigned int base,
20 					unsigned int index)
21 {
22 	return inb(base + index);
23 }
24 
nsp32_write2(unsigned int base,unsigned int index,unsigned short val)25 static inline void nsp32_write2(unsigned int   base,
26 				unsigned int   index,
27 				unsigned short val)
28 {
29 	outw(val, (base + index));
30 }
31 
nsp32_read2(unsigned int base,unsigned int index)32 static inline unsigned short nsp32_read2(unsigned int base,
33 					 unsigned int index)
34 {
35 	return inw(base + index);
36 }
37 
nsp32_write4(unsigned int base,unsigned int index,unsigned long val)38 static inline void nsp32_write4(unsigned int  base,
39 				unsigned int  index,
40 				unsigned long val)
41 {
42 	outl(val, (base + index));
43 }
44 
nsp32_read4(unsigned int base,unsigned int index)45 static inline unsigned long nsp32_read4(unsigned int base,
46 					unsigned int index)
47 {
48 	return inl(base + index);
49 }
50 
51 /*==============================================*/
52 
nsp32_mmio_write1(unsigned long base,unsigned int index,unsigned char val)53 static 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 
nsp32_mmio_read1(unsigned long base,unsigned int index)64 static 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 
nsp32_mmio_write2(unsigned long base,unsigned int index,unsigned short val)74 static 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 
nsp32_mmio_read2(unsigned long base,unsigned int index)85 static 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 
nsp32_mmio_write4(unsigned long base,unsigned int index,unsigned long val)95 static 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 
nsp32_mmio_read4(unsigned long base,unsigned int index)106 static 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 
nsp32_index_read1(unsigned int base,unsigned int reg)118 static 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 
nsp32_index_write1(unsigned int base,unsigned int reg,unsigned char val)125 static 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 
nsp32_index_read2(unsigned int base,unsigned int reg)133 static 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 
nsp32_index_write2(unsigned int base,unsigned int reg,unsigned short val)140 static 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 
nsp32_index_read4(unsigned int base,unsigned int reg)148 static 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 
nsp32_index_write4(unsigned int base,unsigned int reg,unsigned long val)160 static 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 
nsp32_mmio_index_read1(unsigned long base,unsigned int reg)176 static 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 
nsp32_mmio_index_write1(unsigned long base,unsigned int reg,unsigned char val)188 static 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 
nsp32_mmio_index_read2(unsigned long base,unsigned int reg)201 static 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 
nsp32_mmio_index_write2(unsigned long base,unsigned int reg,unsigned short val)213 static 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 
nsp32_multi_read4(unsigned int base,unsigned int reg,void * buf,unsigned long count)228 static 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 
nsp32_fifo_read(unsigned int base,void * buf,unsigned long count)236 static 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 
nsp32_multi_write4(unsigned int base,unsigned int reg,void * buf,unsigned long count)243 static 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 
nsp32_fifo_write(unsigned int base,void * buf,unsigned long count)251 static 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 */
260