isa_machdep.h revision 1.2.4.2
1 1.2.4.2 bouyer /* $NetBSD: isa_machdep.h,v 1.2.4.2 2001/03/12 13:27:22 bouyer Exp $ */ 2 1.2.4.2 bouyer 3 1.2.4.2 bouyer /*- 4 1.2.4.2 bouyer * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. 5 1.2.4.2 bouyer * All rights reserved. 6 1.2.4.2 bouyer * 7 1.2.4.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.2.4.2 bouyer * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 1.2.4.2 bouyer * NASA Ames Research Center. 10 1.2.4.2 bouyer * 11 1.2.4.2 bouyer * Redistribution and use in source and binary forms, with or without 12 1.2.4.2 bouyer * modification, are permitted provided that the following conditions 13 1.2.4.2 bouyer * are met: 14 1.2.4.2 bouyer * 1. Redistributions of source code must retain the above copyright 15 1.2.4.2 bouyer * notice, this list of conditions and the following disclaimer. 16 1.2.4.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 17 1.2.4.2 bouyer * notice, this list of conditions and the following disclaimer in the 18 1.2.4.2 bouyer * documentation and/or other materials provided with the distribution. 19 1.2.4.2 bouyer * 3. All advertising materials mentioning features or use of this software 20 1.2.4.2 bouyer * must display the following acknowledgement: 21 1.2.4.2 bouyer * This product includes software developed by the NetBSD 22 1.2.4.2 bouyer * Foundation, Inc. and its contributors. 23 1.2.4.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.2.4.2 bouyer * contributors may be used to endorse or promote products derived 25 1.2.4.2 bouyer * from this software without specific prior written permission. 26 1.2.4.2 bouyer * 27 1.2.4.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.2.4.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.2.4.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.2.4.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.2.4.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.2.4.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.2.4.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.2.4.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.2.4.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.2.4.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.2.4.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 38 1.2.4.2 bouyer */ 39 1.2.4.2 bouyer 40 1.2.4.2 bouyer #ifndef _ARM32_ISA_MACHDEP_H_ 41 1.2.4.2 bouyer #define _ARM32_ISA_MACHDEP_H_ 42 1.2.4.2 bouyer 43 1.2.4.2 bouyer #include <machine/bus.h> 44 1.2.4.2 bouyer #include <dev/isa/isadmavar.h> 45 1.2.4.2 bouyer 46 1.2.4.2 bouyer /* 47 1.2.4.2 bouyer * Types provided to machine-independent ISA code. 48 1.2.4.2 bouyer */ 49 1.2.4.2 bouyer struct arm32_isa_chipset { 50 1.2.4.2 bouyer struct isa_dma_state ic_dmastate; 51 1.2.4.2 bouyer }; 52 1.2.4.2 bouyer 53 1.2.4.2 bouyer typedef struct arm32_isa_chipset *isa_chipset_tag_t; 54 1.2.4.2 bouyer 55 1.2.4.2 bouyer struct device; /* XXX */ 56 1.2.4.2 bouyer struct isabus_attach_args; /* XXX */ 57 1.2.4.2 bouyer 58 1.2.4.2 bouyer /* 59 1.2.4.2 bouyer * Functions provided to machine-independent ISA code. 60 1.2.4.2 bouyer */ 61 1.2.4.2 bouyer void isa_attach_hook(struct device *, struct device *, 62 1.2.4.2 bouyer struct isabus_attach_args *); 63 1.2.4.2 bouyer const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq); 64 1.2.4.2 bouyer void *isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, 65 1.2.4.2 bouyer int level, int (*ih_fun)(void *), void *ih_arg); 66 1.2.4.2 bouyer void isa_intr_disestablish(isa_chipset_tag_t ic, void *handler); 67 1.2.4.2 bouyer 68 1.2.4.2 bouyer #define isa_dmainit(ic, bst, dmat, d) \ 69 1.2.4.2 bouyer _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d)) 70 1.2.4.2 bouyer #define isa_dmacascade(ic, c) \ 71 1.2.4.2 bouyer _isa_dmacascade(&(ic)->ic_dmastate, (c)) 72 1.2.4.2 bouyer #define isa_dmamaxsize(ic, c) \ 73 1.2.4.2 bouyer _isa_dmamaxsize(&(ic)->ic_dmastate, (c)) 74 1.2.4.2 bouyer #define isa_dmamap_create(ic, c, s, f) \ 75 1.2.4.2 bouyer _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f)) 76 1.2.4.2 bouyer #define isa_dmamap_destroy(ic, c) \ 77 1.2.4.2 bouyer _isa_dmamap_destroy(&(ic)->ic_dmastate, (c)) 78 1.2.4.2 bouyer #define isa_dmastart(ic, c, a, n, p, f, bf) \ 79 1.2.4.2 bouyer _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf)) 80 1.2.4.2 bouyer #define isa_dmaabort(ic, c) \ 81 1.2.4.2 bouyer _isa_dmaabort(&(ic)->ic_dmastate, (c)) 82 1.2.4.2 bouyer #define isa_dmacount(ic, c) \ 83 1.2.4.2 bouyer _isa_dmacount(&(ic)->ic_dmastate, (c)) 84 1.2.4.2 bouyer #define isa_dmafinished(ic, c) \ 85 1.2.4.2 bouyer _isa_dmafinished(&(ic)->ic_dmastate, (c)) 86 1.2.4.2 bouyer #define isa_dmadone(ic, c) \ 87 1.2.4.2 bouyer _isa_dmadone(&(ic)->ic_dmastate, (c)) 88 1.2.4.2 bouyer #define isa_dmafreeze(ic) \ 89 1.2.4.2 bouyer _isa_dmafreeze(&(ic)->ic_dmastate) 90 1.2.4.2 bouyer #define isa_dmathaw(ic) \ 91 1.2.4.2 bouyer _isa_dmathaw(&(ic)->ic_dmastate) 92 1.2.4.2 bouyer #define isa_dmamem_alloc(ic, c, s, ap, f) \ 93 1.2.4.2 bouyer _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f)) 94 1.2.4.2 bouyer #define isa_dmamem_free(ic, c, a, s) \ 95 1.2.4.2 bouyer _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s)) 96 1.2.4.2 bouyer #define isa_dmamem_map(ic, c, a, s, kp, f) \ 97 1.2.4.2 bouyer _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f)) 98 1.2.4.2 bouyer #define isa_dmamem_unmap(ic, c, k, s) \ 99 1.2.4.2 bouyer _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s)) 100 1.2.4.2 bouyer #define isa_dmamem_mmap(ic, c, a, s, o, p, f) \ 101 1.2.4.2 bouyer _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f)) 102 1.2.4.2 bouyer #define isa_drq_isfree(ic, c) \ 103 1.2.4.2 bouyer _isa_drq_isfree(&(ic)->ic_dmastate, (c)) 104 1.2.4.2 bouyer #define isa_malloc(ic, c, s, p, f) \ 105 1.2.4.2 bouyer _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f)) 106 1.2.4.2 bouyer #define isa_free(a, p) \ 107 1.2.4.2 bouyer _isa_free((a), (p)) 108 1.2.4.2 bouyer #define isa_mappage(m, o, p) \ 109 1.2.4.2 bouyer _isa_mappage((m), (o), (p)) 110 1.2.4.2 bouyer 111 1.2.4.2 bouyer /* 112 1.2.4.2 bouyer * ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED 113 1.2.4.2 bouyer * BY PORTABLE CODE. 114 1.2.4.2 bouyer */ 115 1.2.4.2 bouyer 116 1.2.4.2 bouyer extern struct arm32_bus_dma_tag isa_bus_dma_tag; 117 1.2.4.2 bouyer 118 1.2.4.2 bouyer /* 119 1.2.4.2 bouyer * Cookie used by ISA DMA. A pointer to one of these is stashed in 120 1.2.4.2 bouyer * the DMA map. 121 1.2.4.2 bouyer */ 122 1.2.4.2 bouyer struct arm32_isa_dma_cookie { 123 1.2.4.2 bouyer int id_flags; /* flags; see below */ 124 1.2.4.2 bouyer 125 1.2.4.2 bouyer /* 126 1.2.4.2 bouyer * Information about the original buffer used during 127 1.2.4.2 bouyer * DMA map syncs. Note that origbuflen is only used 128 1.2.4.2 bouyer * for ID_BUFTYPE_LINEAR. 129 1.2.4.2 bouyer */ 130 1.2.4.2 bouyer void *id_origbuf; /* pointer to orig buffer if 131 1.2.4.2 bouyer bouncing */ 132 1.2.4.2 bouyer bus_size_t id_origbuflen; /* ...and size */ 133 1.2.4.2 bouyer int id_buftype; /* type of buffer */ 134 1.2.4.2 bouyer 135 1.2.4.2 bouyer void *id_bouncebuf; /* pointer to the bounce buffer */ 136 1.2.4.2 bouyer bus_size_t id_bouncebuflen; /* ...and size */ 137 1.2.4.2 bouyer int id_nbouncesegs; /* number of valid bounce segs */ 138 1.2.4.2 bouyer bus_dma_segment_t id_bouncesegs[0]; /* array of bounce buffer 139 1.2.4.2 bouyer physical memory segments */ 140 1.2.4.2 bouyer }; 141 1.2.4.2 bouyer 142 1.2.4.2 bouyer /* id_flags */ 143 1.2.4.2 bouyer #define ID_MIGHT_NEED_BOUNCE 0x01 /* map could need bounce buffers */ 144 1.2.4.2 bouyer #define ID_HAS_BOUNCE 0x02 /* map currently has bounce buffers */ 145 1.2.4.2 bouyer #define ID_IS_BOUNCING 0x04 /* map is bouncing current xfer */ 146 1.2.4.2 bouyer 147 1.2.4.2 bouyer /* id_buftype */ 148 1.2.4.2 bouyer #define ID_BUFTYPE_INVALID 0 149 1.2.4.2 bouyer #define ID_BUFTYPE_LINEAR 1 150 1.2.4.2 bouyer #define ID_BUFTYPE_MBUF 2 151 1.2.4.2 bouyer #define ID_BUFTYPE_UIO 3 152 1.2.4.2 bouyer #define ID_BUFTYPE_RAW 4 153 1.2.4.2 bouyer 154 1.2.4.2 bouyer /* bus space tags */ 155 1.2.4.2 bouyer extern struct bus_space isa_io_bs_tag; 156 1.2.4.2 bouyer extern struct bus_space isa_mem_bs_tag; 157 1.2.4.2 bouyer 158 1.2.4.2 bouyer /* ISA chipset */ 159 1.2.4.2 bouyer extern struct arm32_isa_chipset isa_chipset_tag; 160 1.2.4.2 bouyer 161 1.2.4.2 bouyer /* for pccons.c */ 162 1.2.4.2 bouyer #define MONO_BASE 0x3B4 163 1.2.4.2 bouyer #define MONO_BUF 0x000B0000 164 1.2.4.2 bouyer #define CGA_BASE 0x3D4 165 1.2.4.2 bouyer #define CGA_BUF 0x000B8000 166 1.2.4.2 bouyer #define VGA_BUF 0xA0000 167 1.2.4.2 bouyer #define VGA_BUF_LEN (0xBFFFF - 0xA0000) 168 1.2.4.2 bouyer 169 1.2.4.2 bouyer void isa_init(vaddr_t, vaddr_t); 170 1.2.4.2 bouyer void isa_io_init(vaddr_t, vaddr_t); 171 1.2.4.2 bouyer void isa_dma_init(void); 172 1.2.4.2 bouyer vaddr_t isa_io_data_vaddr(void); 173 1.2.4.2 bouyer vaddr_t isa_mem_data_vaddr(void); 174 1.2.4.2 bouyer int isa_intr_alloc(isa_chipset_tag_t ic, int mask, int type, int *irq); 175 1.2.4.2 bouyer 176 1.2.4.2 bouyer /* 177 1.2.4.2 bouyer * Miscellanous functions. 178 1.2.4.2 bouyer */ 179 1.2.4.2 bouyer void sysbeep(int, int); /* beep with the system speaker */ 180 1.2.4.2 bouyer void isa_fillw(u_int val, void *addr, size_t len); 181 1.2.4.2 bouyer 182 1.2.4.2 bouyer #endif /* _ARM32_ISA_MACHDEP_H_ XXX */ 183
Indexes created Mon Oct 20 11:09:49 GMT 2025