1 /*- 2 * Copyright (c) 1997 Per Fogelstrom, Opsycon AB and RTMX Inc, USA. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. All advertising materials mentioning features or use of this software 13 * must display the following acknowledgement: 14 * This product includes software developed under OpenBSD by 15 * Per Fogelstrom Opsycon AB for RTMX Inc, North Carolina, USA. 16 * 4. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 20 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $NetBSD: pio.h,v 1.1 1998/05/15 10:15:54 tsubai Exp $ 32 * $OpenBSD: pio.h,v 1.1 1997/10/13 10:53:47 pefo Exp $ 33 * $FreeBSD$ 34 */ 35 36 #ifndef _MACHINE_PIO_H_ 37 #define _MACHINE_PIO_H_ 38 /* 39 * I/O macros. 40 */ 41 42 static __inline void 43 __outb(volatile u_int8_t *a, u_int8_t v) 44 { 45 *a = v; 46 __asm__ volatile("eieio; sync"); 47 } 48 49 static __inline void 50 __outw(volatile u_int16_t *a, u_int16_t v) 51 { 52 *a = v; 53 __asm__ volatile("eieio; sync"); 54 } 55 56 static __inline void 57 __outl(volatile u_int32_t *a, u_int32_t v) 58 { 59 *a = v; 60 __asm__ volatile("eieio; sync"); 61 } 62 63 static __inline void 64 __outll(volatile u_int64_t *a, u_int64_t v) 65 { 66 *a = v; 67 __asm__ volatile("eieio; sync"); 68 } 69 70 static __inline void 71 __outwrb(volatile u_int16_t *a, u_int16_t v) 72 { 73 __asm__ volatile("sthbrx %0, 0, %1" :: "r"(v), "r"(a)); 74 __asm__ volatile("eieio; sync"); 75 } 76 77 static __inline void 78 __outlrb(volatile u_int32_t *a, u_int32_t v) 79 { 80 __asm__ volatile("stwbrx %0, 0, %1" :: "r"(v), "r"(a)); 81 __asm__ volatile("eieio; sync"); 82 } 83 84 static __inline u_int8_t 85 __inb(volatile u_int8_t *a) 86 { 87 u_int8_t _v_; 88 89 _v_ = *a; 90 __asm__ volatile("eieio; sync"); 91 return _v_; 92 } 93 94 static __inline u_int16_t 95 __inw(volatile u_int16_t *a) 96 { 97 u_int16_t _v_; 98 99 _v_ = *a; 100 __asm__ volatile("eieio; sync"); 101 return _v_; 102 } 103 104 static __inline u_int32_t 105 __inl(volatile u_int32_t *a) 106 { 107 u_int32_t _v_; 108 109 _v_ = *a; 110 __asm__ volatile("eieio; sync"); 111 return _v_; 112 } 113 114 static __inline u_int64_t 115 __inll(volatile u_int64_t *a) 116 { 117 u_int64_t _v_; 118 119 _v_ = *a; 120 __asm__ volatile("eieio; sync"); 121 return _v_; 122 } 123 124 static __inline u_int16_t 125 __inwrb(volatile u_int16_t *a) 126 { 127 u_int16_t _v_; 128 129 __asm__ volatile("lhbrx %0, 0, %1" : "=r"(_v_) : "r"(a)); 130 __asm__ volatile("eieio; sync"); 131 return _v_; 132 } 133 134 static __inline u_int32_t 135 __inlrb(volatile u_int32_t *a) 136 { 137 u_int32_t _v_; 138 139 __asm__ volatile("lwbrx %0, 0, %1" : "=r"(_v_) : "r"(a)); 140 __asm__ volatile("eieio; sync"); 141 return _v_; 142 } 143 144 #define outb(a,v) (__outb((volatile u_int8_t *)(a), v)) 145 #define out8(a,v) outb(a,v) 146 #define outw(a,v) (__outw((volatile u_int16_t *)(a), v)) 147 #define out16(a,v) outw(a,v) 148 #define outl(a,v) (__outl((volatile u_int32_t *)(a), v)) 149 #define out32(a,v) outl(a,v) 150 #define outll(a,v) (__outll((volatile u_int64_t *)(a), v)) 151 #define out64(a,v) outll(a,v) 152 #define inb(a) (__inb((volatile u_int8_t *)(a))) 153 #define in8(a) inb(a) 154 #define inw(a) (__inw((volatile u_int16_t *)(a))) 155 #define in16(a) inw(a) 156 #define inl(a) (__inl((volatile u_int32_t *)(a))) 157 #define in32(a) inl(a) 158 #define inll(a) (__inll((volatile u_int64_t *)(a))) 159 #define in64(a) inll(a) 160 161 #define out8rb(a,v) outb(a,v) 162 #define outwrb(a,v) (__outwrb((volatile u_int16_t *)(a), v)) 163 #define out16rb(a,v) outwrb(a,v) 164 #define outlrb(a,v) (__outlrb((volatile u_int32_t *)(a), v)) 165 #define out32rb(a,v) outlrb(a,v) 166 #define in8rb(a) inb(a) 167 #define inwrb(a) (__inwrb((volatile u_int16_t *)(a))) 168 #define in16rb(a) inwrb(a) 169 #define inlrb(a) (__inlrb((volatile u_int32_t *)(a))) 170 #define in32rb(a) inlrb(a) 171 172 173 static __inline void 174 __outsb(volatile u_int8_t *a, const u_int8_t *s, size_t c) 175 { 176 while (c--) 177 *a = *s++; 178 __asm__ volatile("eieio; sync"); 179 } 180 181 static __inline void 182 __outsw(volatile u_int16_t *a, const u_int16_t *s, size_t c) 183 { 184 while (c--) 185 *a = *s++; 186 __asm__ volatile("eieio; sync"); 187 } 188 189 static __inline void 190 __outsl(volatile u_int32_t *a, const u_int32_t *s, size_t c) 191 { 192 while (c--) 193 *a = *s++; 194 __asm__ volatile("eieio; sync"); 195 } 196 197 static __inline void 198 __outsll(volatile u_int64_t *a, const u_int64_t *s, size_t c) 199 { 200 while (c--) 201 *a = *s++; 202 __asm__ volatile("eieio; sync"); 203 } 204 205 static __inline void 206 __outswrb(volatile u_int16_t *a, const u_int16_t *s, size_t c) 207 { 208 while (c--) 209 __asm__ volatile("sthbrx %0, 0, %1" :: "r"(*s++), "r"(a)); 210 __asm__ volatile("eieio; sync"); 211 } 212 213 static __inline void 214 __outslrb(volatile u_int32_t *a, const u_int32_t *s, size_t c) 215 { 216 while (c--) 217 __asm__ volatile("stwbrx %0, 0, %1" :: "r"(*s++), "r"(a)); 218 __asm__ volatile("eieio; sync"); 219 } 220 221 static __inline void 222 __insb(volatile u_int8_t *a, u_int8_t *d, size_t c) 223 { 224 while (c--) 225 *d++ = *a; 226 __asm__ volatile("eieio; sync"); 227 } 228 229 static __inline void 230 __insw(volatile u_int16_t *a, u_int16_t *d, size_t c) 231 { 232 while (c--) 233 *d++ = *a; 234 __asm__ volatile("eieio; sync"); 235 } 236 237 static __inline void 238 __insl(volatile u_int32_t *a, u_int32_t *d, size_t c) 239 { 240 while (c--) 241 *d++ = *a; 242 __asm__ volatile("eieio; sync"); 243 } 244 245 static __inline void 246 __insll(volatile u_int64_t *a, u_int64_t *d, size_t c) 247 { 248 while (c--) 249 *d++ = *a; 250 __asm__ volatile("eieio; sync"); 251 } 252 253 static __inline void 254 __inswrb(volatile u_int16_t *a, u_int16_t *d, size_t c) 255 { 256 while (c--) 257 __asm__ volatile("lhbrx %0, 0, %1" : "=r"(*d++) : "r"(a)); 258 __asm__ volatile("eieio; sync"); 259 } 260 261 static __inline void 262 __inslrb(volatile u_int32_t *a, u_int32_t *d, size_t c) 263 { 264 while (c--) 265 __asm__ volatile("lwbrx %0, 0, %1" : "=r"(*d++) : "r"(a)); 266 __asm__ volatile("eieio; sync"); 267 } 268 269 #define outsb(a,s,c) (__outsb((volatile u_int8_t *)(a), s, c)) 270 #define outs8(a,s,c) outsb(a,s,c) 271 #define outsw(a,s,c) (__outsw((volatile u_int16_t *)(a), s, c)) 272 #define outs16(a,s,c) outsw(a,s,c) 273 #define outsl(a,s,c) (__outsl((volatile u_int32_t *)(a), s, c)) 274 #define outs32(a,s,c) outsl(a,s,c) 275 #define outsll(a,s,c) (__outsll((volatile u_int64_t *)(a), s, c)) 276 #define outs64(a,s,c) outsll(a,s,c) 277 #define insb(a,d,c) (__insb((volatile u_int8_t *)(a), d, c)) 278 #define ins8(a,d,c) insb(a,d,c) 279 #define insw(a,d,c) (__insw((volatile u_int16_t *)(a), d, c)) 280 #define ins16(a,d,c) insw(a,d,c) 281 #define insl(a,d,c) (__insl((volatile u_int32_t *)(a), d, c)) 282 #define ins32(a,d,c) insl(a,d,c) 283 #define insll(a,d,c) (__insll((volatile u_int64_t *)(a), d, c)) 284 #define ins64(a,d,c) insll(a,d,c) 285 286 #define outs8rb(a,s,c) outsb(a,s,c) 287 #define outswrb(a,s,c) (__outswrb((volatile u_int16_t *)(a), s, c)) 288 #define outs16rb(a,s,c) outswrb(a,s,c) 289 #define outslrb(a,s,c) (__outslrb((volatile u_int32_t *)(a), s, c)) 290 #define outs32rb(a,s,c) outslrb(a,s,c) 291 #define ins8rb(a,d,c) insb(a,d,c) 292 #define inswrb(a,d,c) (__inswrb((volatile u_int16_t *)(a), d, c)) 293 #define ins16rb(a,d,c) inswrb(a,d,c) 294 #define inslrb(a,d,c) (__inslrb((volatile u_int32_t *)(a), d, c)) 295 #define ins32rb(a,d,c) inslrb(a,d,c) 296 297 #endif /*_MACHINE_PIO_H_*/ 298