| 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 */ |