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 42static __inline void 43__outb(volatile u_int8_t *a, u_int8_t v) 44{ 45 *a = v; 46 __asm__ volatile("eieio; sync"); 47} 48 49static __inline void 50__outw(volatile u_int16_t *a, u_int16_t v) 51{ 52 *a = v; 53 __asm__ volatile("eieio; sync"); 54} 55 56static __inline void 57__outl(volatile u_int32_t *a, u_int32_t v) 58{ 59 *a = v; 60 __asm__ volatile("eieio; sync"); 61} 62 63static __inline void 64__outll(volatile u_int64_t *a, u_int64_t v) 65{ 66 *a = v; 67 __asm__ volatile("eieio; sync"); 68} 69 70static __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 77static __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 84static __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 94static __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 104static __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 114static __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 124static __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 134static __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 173static __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 181static __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 189static __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 197static __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 205static __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 213static __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 221static __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 229static __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 237static __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 245static __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 253static __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 261static __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