Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |