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 1.7 1999/05/22 15:18:28 dfr Exp $ 27 */ 28 29 #include "isa_if.h" 30 31 /* 32 * ISA devices are partially ordered to ensure that devices which are 33 * sensitive to other driver probe routines are probed first. Plug and 34 * Play devices are added after devices with speculative probes so that 35 * the legacy hardware can claim resources allowing the Plug and Play 36 * hardware to choose different resources. 37 */ 38 #define ISA_ORDER_SENSITIVE 0 /* legacy sensitive hardware */ 39 #define ISA_ORDER_SPECULATIVE 1 /* legacy non-sensitive hardware */ 40 #define ISA_ORDER_PNP 2 /* plug-and-play hardware */ 41 42 #define ISA_NPORT_IVARS 2 43 #define ISA_NMEM_IVARS 2 44 #define ISA_NIRQ_IVARS 2 45 #define ISA_NDRQ_IVARS 2 46 47 enum isa_device_ivars { 48 ISA_IVAR_PORT, 49 ISA_IVAR_PORT_0 = ISA_IVAR_PORT, 50 ISA_IVAR_PORT_1, 51 ISA_IVAR_PORTSIZE, 52 ISA_IVAR_PORTSIZE_0 = ISA_IVAR_PORTSIZE, 53 ISA_IVAR_PORTSIZE_1, 54 ISA_IVAR_MADDR, 55 ISA_IVAR_MADDR_0 = ISA_IVAR_MADDR, 56 ISA_IVAR_MADDR_1, 57 ISA_IVAR_MSIZE, 58 ISA_IVAR_MSIZE_0 = ISA_IVAR_MSIZE, 59 ISA_IVAR_MSIZE_1, 60 ISA_IVAR_FLAGS, 61 ISA_IVAR_IRQ, 62 ISA_IVAR_IRQ_0 = ISA_IVAR_IRQ, 63 ISA_IVAR_IRQ_1, 64 ISA_IVAR_DRQ, 65 ISA_IVAR_DRQ_0 = ISA_IVAR_DRQ, 66 ISA_IVAR_DRQ_1 67 }; 68 69 extern intrmask_t isa_irq_pending(void); 70 extern intrmask_t isa_irq_mask(void); 71 #ifdef __i386__ 72 extern void isa_wrap_old_drivers(void); 73 #endif 74 75 /* 76 * Simplified accessors for isa devices 77 */ 78 #define ISA_ACCESSOR(A, B, T) \ 79 \ 80 static __inline T isa_get_ ## A(device_t dev) \ 81 { \ 82 uintptr_t v; \ 83 BUS_READ_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, &v); \ 84 return (T) v; \ 85 } \ 86 \ 87 static __inline void isa_set_ ## A(device_t dev, T t) \ 88 { \ 89 u_long v = (u_long) t; \ 90 BUS_WRITE_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, v); \ 91 } 92 93 ISA_ACCESSOR(port, PORT, int) 94 ISA_ACCESSOR(portsize, PORTSIZE, int) 95 ISA_ACCESSOR(irq, IRQ, int) 96 ISA_ACCESSOR(drq, DRQ, int) 97 ISA_ACCESSOR(maddr, MADDR, int) 98 ISA_ACCESSOR(msize, MSIZE, int) 99 ISA_ACCESSOR(flags, FLAGS, int) 100