1 /*- 2 * Copyright (c) 1998 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $Id: isavar.h,v 1.1 1998/08/06 08:49:09 dfr Exp $ 27 */ 28 29 #define ISA_NPORT_IVARS 2 30 #define ISA_NMEM_IVARS 2 31 #define ISA_NIRQ_IVARS 2 32 #define ISA_NDRQ_IVARS 2 33 34 enum isa_device_ivars { 35 ISA_IVAR_PORT, 36 ISA_IVAR_PORT_0 = ISA_IVAR_PORT, 37 ISA_IVAR_PORT_1, 38 ISA_IVAR_PORTSIZE, 39 ISA_IVAR_PORTSIZE_0 = ISA_IVAR_PORTSIZE, 40 ISA_IVAR_PORTSIZE_1, 41 ISA_IVAR_MADDR, 42 ISA_IVAR_MADDR_0 = ISA_IVAR_MADDR, 43 ISA_IVAR_MADDR_1, 44 ISA_IVAR_MSIZE, 45 ISA_IVAR_MSIZE_0 = ISA_IVAR_MSIZE, 46 ISA_IVAR_MSIZE_1, 47 ISA_IVAR_FLAGS, 48 ISA_IVAR_IRQ, 49 ISA_IVAR_IRQ_0 = ISA_IVAR_IRQ, 50 ISA_IVAR_IRQ_1, 51 ISA_IVAR_DRQ, 52 ISA_IVAR_DRQ_0 = ISA_IVAR_DRQ, 53 ISA_IVAR_DRQ_1 54 }; 55 56 extern int isa_irq_pending(void); 57 extern int isa_irq_mask(void); 58 59 /* 60 * Simplified accessors for isa devices 61 */ 62 #define ISA_ACCESSOR(A, B, T) \ 63 \ 64 static __inline T isa_get_ ## A(device_t dev) \ 65 { \ 66 u_long v; \ 67 BUS_READ_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, &v); \ 68 return (T) v; \ 69 } \ 70 \ 71 static __inline void isa_set_ ## A(device_t dev, T t) \ 72 { \ 73 u_long v = (u_long) t; \ 74 BUS_WRITE_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, v); \ 75 } 76 77 ISA_ACCESSOR(port, PORT, int) 78 ISA_ACCESSOR(portsize, PORTSIZE, int) 79 ISA_ACCESSOR(flags, FLAGS, int) 80 ISA_ACCESSOR(irq, IRQ, int) 81 82