1 /* $NetBSD: isa_machdep.h,v 1.13 2021/12/12 11:10:03 andvar Exp $ */ 2 3 /*- 4 * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef _ARM_ISA_MACHDEP_H_ 34 #define _ARM_ISA_MACHDEP_H_ 35 36 #include <sys/bus.h> 37 #include <dev/isa/isadmavar.h> 38 39 /* 40 * Types provided to machine-independent ISA code. 41 */ 42 struct arm32_isa_chipset { 43 struct isa_dma_state ic_dmastate; 44 }; 45 46 typedef struct arm32_isa_chipset *isa_chipset_tag_t; 47 48 struct isabus_attach_args; /* XXX */ 49 50 /* 51 * Functions provided to machine-independent ISA code. 52 */ 53 void isa_attach_hook(device_t, device_t, 54 struct isabus_attach_args *); 55 void isa_detach_hook(isa_chipset_tag_t, device_t); 56 const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq); 57 void *isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, 58 int level, int (*ih_fun)(void *), void *ih_arg); 59 void *isa_intr_establish_xname(isa_chipset_tag_t ic, int irq, int type, 60 int level, int (*ih_fun)(void *), void *ih_arg, const char *xname); 61 void isa_intr_disestablish(isa_chipset_tag_t ic, void *handler); 62 63 #define isa_dmainit(ic, bst, dmat, d) \ 64 _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d)) 65 #define isa_dmadestroy(ic) \ 66 _isa_dmadestroy(&(ic)->ic_dmastate) 67 #define isa_dmacascade(ic, c) \ 68 _isa_dmacascade(&(ic)->ic_dmastate, (c)) 69 #define isa_dmamaxsize(ic, c) \ 70 _isa_dmamaxsize(&(ic)->ic_dmastate, (c)) 71 #define isa_dmamap_create(ic, c, s, f) \ 72 _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f)) 73 #define isa_dmamap_destroy(ic, c) \ 74 _isa_dmamap_destroy(&(ic)->ic_dmastate, (c)) 75 #define isa_dmastart(ic, c, a, n, p, f, bf) \ 76 _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf)) 77 #define isa_dmaabort(ic, c) \ 78 _isa_dmaabort(&(ic)->ic_dmastate, (c)) 79 #define isa_dmacount(ic, c) \ 80 _isa_dmacount(&(ic)->ic_dmastate, (c)) 81 #define isa_dmafinished(ic, c) \ 82 _isa_dmafinished(&(ic)->ic_dmastate, (c)) 83 #define isa_dmadone(ic, c) \ 84 _isa_dmadone(&(ic)->ic_dmastate, (c)) 85 #define isa_dmafreeze(ic) \ 86 _isa_dmafreeze(&(ic)->ic_dmastate) 87 #define isa_dmathaw(ic) \ 88 _isa_dmathaw(&(ic)->ic_dmastate) 89 #define isa_dmamem_alloc(ic, c, s, ap, f) \ 90 _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f)) 91 #define isa_dmamem_free(ic, c, a, s) \ 92 _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s)) 93 #define isa_dmamem_map(ic, c, a, s, kp, f) \ 94 _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f)) 95 #define isa_dmamem_unmap(ic, c, k, s) \ 96 _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s)) 97 #define isa_dmamem_mmap(ic, c, a, s, o, p, f) \ 98 _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f)) 99 #define isa_drq_alloc(ic, c) \ 100 _isa_drq_alloc(&(ic)->ic_dmastate, c) 101 #define isa_drq_free(ic, c) \ 102 _isa_drq_free(&(ic)->ic_dmastate, c) 103 #define isa_drq_isfree(ic, c) \ 104 _isa_drq_isfree(&(ic)->ic_dmastate, (c)) 105 #define isa_malloc(ic, c, s, p, f) \ 106 _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f)) 107 #define isa_free(a, p) \ 108 _isa_free((a), (p)) 109 #define isa_mappage(m, o, p) \ 110 _isa_mappage((m), (o), (p)) 111 112 /* 113 * ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED 114 * BY PORTABLE CODE. 115 */ 116 117 extern struct arm32_bus_dma_tag isa_bus_dma_tag; 118 119 /* bus space tags */ 120 extern struct bus_space isa_io_bs_tag; 121 extern struct bus_space isa_mem_bs_tag; 122 123 /* ISA chipset */ 124 extern struct arm32_isa_chipset isa_chipset_tag; 125 126 /* for pccons.c */ 127 #define MONO_BASE 0x3B4 128 #define MONO_BUF 0x000B0000 129 #define CGA_BASE 0x3D4 130 #define CGA_BUF 0x000B8000 131 #define VGA_BUF 0xA0000 132 #define VGA_BUF_LEN (0xBFFFF - 0xA0000) 133 134 void isa_init(vaddr_t, vaddr_t); 135 void isa_io_init(vaddr_t, vaddr_t); 136 void isa_dma_init(void); 137 vaddr_t isa_io_data_vaddr(void); 138 vaddr_t isa_mem_data_vaddr(void); 139 int isa_intr_alloc(isa_chipset_tag_t ic, int mask, int type, int *irq); 140 void isa_intr_init(void); 141 142 /* 143 * Miscellaneous functions. 144 */ 145 void sysbeep(int, int); /* beep with the system speaker */ 146 void isa_fillw(u_int val, void *addr, size_t len); 147 148 #endif /* _ARM_ISA_MACHDEP_H_ */ 149
Indexes created Tue Sep 30 17:09:57 GMT 2025