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/* 43 * Use sync so that bus space operations cannot sneak out the bottom of 44 * mutex-protected sections (mutex release does not guarantee completion of 45 * accesses to caching-inhibited memory on some systems) 46 */ 47#define powerpc_iomb() __asm __volatile("sync" : : : "memory") 48 49static __inline void 50__outb(volatile u_int8_t *a, u_int8_t v) 51{ 52 *a = v; 53 powerpc_iomb(); 54} 55 56static __inline void 57__outw(volatile u_int16_t *a, u_int16_t v) 58{ 59 *a = v; 60 powerpc_iomb(); 61} 62 63static __inline void 64__outl(volatile u_int32_t *a, u_int32_t v) 65{ 66 *a = v; 67 powerpc_iomb(); 68} 69 70static __inline void 71__outll(volatile u_int64_t *a, u_int64_t v) 72{ 73 *a = v; 74 powerpc_iomb(); 75} 76 77static __inline void 78__outwrb(volatile u_int16_t *a, u_int16_t v) 79{ 80 __asm__ volatile("sthbrx %0, 0, %1" :: "r"(v), "r"(a)); 81 powerpc_iomb(); 82} 83 84static __inline void 85__outlrb(volatile u_int32_t *a, u_int32_t v) 86{ 87 __asm__ volatile("stwbrx %0, 0, %1" :: "r"(v), "r"(a)); 88 powerpc_iomb(); 89} 90 91static __inline u_int8_t 92__inb(volatile u_int8_t *a) 93{ 94 u_int8_t _v_; 95 96 _v_ = *a; 97 powerpc_iomb(); 98 return _v_; 99} 100 101static __inline u_int16_t 102__inw(volatile u_int16_t *a) 103{ 104 u_int16_t _v_; 105 106 _v_ = *a; 107 powerpc_iomb(); 108 return _v_; 109} 110 111static __inline u_int32_t 112__inl(volatile u_int32_t *a) 113{ 114 u_int32_t _v_; 115 116 _v_ = *a; 117 powerpc_iomb(); 118 return _v_; 119} 120 121static __inline u_int64_t 122__inll(volatile u_int64_t *a) 123{ 124 u_int64_t _v_; 125 126 _v_ = *a; 127 powerpc_iomb(); 128 return _v_; 129} 130 131static __inline u_int16_t 132__inwrb(volatile u_int16_t *a) 133{ 134 u_int16_t _v_; 135 136 __asm__ volatile("lhbrx %0, 0, %1" : "=r"(_v_) : "r"(a)); 137 powerpc_iomb(); 138 return _v_; 139} 140 141static __inline u_int32_t 142__inlrb(volatile u_int32_t *a) 143{ 144 u_int32_t _v_; 145 146 __asm__ volatile("lwbrx %0, 0, %1" : "=r"(_v_) : "r"(a)); 147 powerpc_iomb(); 148 return _v_; 149} 150 151#define outb(a,v) (__outb((volatile u_int8_t *)(a), v)) 152#define out8(a,v) outb(a,v) 153#define outw(a,v) (__outw((volatile u_int16_t *)(a), v)) 154#define out16(a,v) outw(a,v) 155#define outl(a,v) (__outl((volatile u_int32_t *)(a), v)) 156#define out32(a,v) outl(a,v) 157#define outll(a,v) (__outll((volatile u_int64_t *)(a), v)) 158#define out64(a,v) outll(a,v) 159#define inb(a) (__inb((volatile u_int8_t *)(a))) 160#define in8(a) inb(a) 161#define inw(a) (__inw((volatile u_int16_t *)(a))) 162#define in16(a) inw(a) 163#define inl(a) (__inl((volatile u_int32_t *)(a))) 164#define in32(a) inl(a) 165#define inll(a) (__inll((volatile u_int64_t *)(a))) 166#define in64(a) inll(a) 167 168#define out8rb(a,v) outb(a,v) 169#define outwrb(a,v) (__outwrb((volatile u_int16_t *)(a), v)) 170#define out16rb(a,v) outwrb(a,v) 171#define outlrb(a,v) (__outlrb((volatile u_int32_t *)(a), v)) 172#define out32rb(a,v) outlrb(a,v) 173#define in8rb(a) inb(a) 174#define inwrb(a) (__inwrb((volatile u_int16_t *)(a))) 175#define in16rb(a) inwrb(a) 176#define inlrb(a) (__inlrb((volatile u_int32_t *)(a))) 177#define in32rb(a) inlrb(a) 178 179 180static __inline void 181__outsb(volatile u_int8_t *a, const u_int8_t *s, size_t c) 182{ 183 while (c--) 184 *a = *s++; 185 powerpc_iomb(); 186} 187 188static __inline void 189__outsw(volatile u_int16_t *a, const u_int16_t *s, size_t c) 190{ 191 while (c--) 192 *a = *s++; 193 powerpc_iomb(); 194} 195 196static __inline void 197__outsl(volatile u_int32_t *a, const u_int32_t *s, size_t c) 198{ 199 while (c--) 200 *a = *s++; 201 powerpc_iomb(); 202} 203 204static __inline void 205__outsll(volatile u_int64_t *a, const u_int64_t *s, size_t c) 206{ 207 while (c--) 208 *a = *s++; 209 powerpc_iomb(); 210} 211 212static __inline void 213__outswrb(volatile u_int16_t *a, const u_int16_t *s, size_t c) 214{ 215 while (c--) 216 __asm__ volatile("sthbrx %0, 0, %1" :: "r"(*s++), "r"(a)); 217 powerpc_iomb(); 218} 219 220static __inline void 221__outslrb(volatile u_int32_t *a, const u_int32_t *s, size_t c) 222{ 223 while (c--) 224 __asm__ volatile("stwbrx %0, 0, %1" :: "r"(*s++), "r"(a)); 225 powerpc_iomb(); 226} 227 228static __inline void 229__insb(volatile u_int8_t *a, u_int8_t *d, size_t c) 230{ 231 while (c--) 232 *d++ = *a; 233 powerpc_iomb(); 234} 235 236static __inline void 237__insw(volatile u_int16_t *a, u_int16_t *d, size_t c) 238{ 239 while (c--) 240 *d++ = *a; 241 powerpc_iomb(); 242} 243 244static __inline void 245__insl(volatile u_int32_t *a, u_int32_t *d, size_t c) 246{ 247 while (c--) 248 *d++ = *a; 249 powerpc_iomb(); 250} 251 252static __inline void 253__insll(volatile u_int64_t *a, u_int64_t *d, size_t c) 254{ 255 while (c--) 256 *d++ = *a; 257 powerpc_iomb(); 258} 259 260static __inline void 261__inswrb(volatile u_int16_t *a, u_int16_t *d, size_t c) 262{ 263 while (c--) 264 __asm__ volatile("lhbrx %0, 0, %1" : "=r"(*d++) : "r"(a)); 265 powerpc_iomb(); 266} 267 268static __inline void 269__inslrb(volatile u_int32_t *a, u_int32_t *d, size_t c) 270{ 271 while (c--) 272 __asm__ volatile("lwbrx %0, 0, %1" : "=r"(*d++) : "r"(a)); 273 powerpc_iomb(); 274} 275 276#define outsb(a,s,c) (__outsb((volatile u_int8_t *)(a), s, c)) 277#define outs8(a,s,c) outsb(a,s,c) 278#define outsw(a,s,c) (__outsw((volatile u_int16_t *)(a), s, c)) 279#define outs16(a,s,c) outsw(a,s,c) 280#define outsl(a,s,c) (__outsl((volatile u_int32_t *)(a), s, c)) 281#define outs32(a,s,c) outsl(a,s,c) 282#define outsll(a,s,c) (__outsll((volatile u_int64_t *)(a), s, c)) 283#define outs64(a,s,c) outsll(a,s,c) 284#define insb(a,d,c) (__insb((volatile u_int8_t *)(a), d, c)) 285#define ins8(a,d,c) insb(a,d,c) 286#define insw(a,d,c) (__insw((volatile u_int16_t *)(a), d, c)) 287#define ins16(a,d,c) insw(a,d,c) 288#define insl(a,d,c) (__insl((volatile u_int32_t *)(a), d, c)) 289#define ins32(a,d,c) insl(a,d,c) 290#define insll(a,d,c) (__insll((volatile u_int64_t *)(a), d, c)) 291#define ins64(a,d,c) insll(a,d,c) 292 293#define outs8rb(a,s,c) outsb(a,s,c) 294#define outswrb(a,s,c) (__outswrb((volatile u_int16_t *)(a), s, c)) 295#define outs16rb(a,s,c) outswrb(a,s,c) 296#define outslrb(a,s,c) (__outslrb((volatile u_int32_t *)(a), s, c)) 297#define outs32rb(a,s,c) outslrb(a,s,c) 298#define ins8rb(a,d,c) insb(a,d,c) 299#define inswrb(a,d,c) (__inswrb((volatile u_int16_t *)(a), d, c)) 300#define ins16rb(a,d,c) inswrb(a,d,c) 301#define inslrb(a,d,c) (__inslrb((volatile u_int32_t *)(a), d, c)) 302#define ins32rb(a,d,c) inslrb(a,d,c) 303 304#endif /*_MACHINE_PIO_H_*/ 305