intiovar.h revision 1.1.2.4
1 /* $NetBSD: intiovar.h,v 1.1.2.4 1999/01/31 06:44:26 minoura Exp $ */ 2 3 /* 4 * 5 * Copyright (c) 1998 NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Charles D. Cranor and 19 * Washington University. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * NetBSD/x68k internal I/O virtual bus. 37 */ 38 39 #ifndef _INTIOVAR_H_ 40 #define _INTIOVAR_H_ 41 42 #include <machine/frame.h> 43 #include <sys/malloc.h> 44 #include <sys/extent.h> 45 #include "locators.h" 46 47 #define cf_addr cf_loc[INTIOCF_ADDR] 48 #define cf_intr cf_loc[INTIOCF_INTR] 49 #define cf_dma cf_loc[INTIOCF_DMA] 50 #define cf_dmaintr cf_loc[INTIOCF_DMAINTR] 51 52 53 struct intio_attach_args { 54 bus_space_tag_t ia_bst; /* bus_space tag */ 55 bus_dma_tag_t ia_dmat; /* bus_dma tag */ 56 57 char *ia_name; /* device name */ 58 int ia_addr; /* addr */ 59 int ia_size; 60 int ia_intr; /* interrupt vector */ 61 int ia_dma; /* dma channel */ 62 int ia_dmaintr; /* interrupt vector for dmac */ 63 }; 64 65 struct intio_softc { 66 struct device sc_dev; 67 bus_space_tag_t sc_bst; 68 bus_dma_tag_t sc_dmat; 69 struct extent *sc_map; 70 struct device *sc_dmac; 71 }; 72 73 enum intio_map_flag { 74 INTIO_MAP_ALLOCATE = 0, 75 INTIO_MAP_TESTONLY = 1 76 }; 77 int intio_map_allocate_region __P((struct device*, struct intio_attach_args*, enum intio_map_flag)); 78 int intio_map_free_region __P((struct device*, struct intio_attach_args*)); 79 80 81 typedef int (*intio_intr_handler_t) __P((void*)); 82 83 int intio_intr_establish __P((int, const char *, intio_intr_handler_t, void *)); 84 int intio_intr_disestablish __P((int, void *)); 85 int intio_intr __P((struct frame *)); 86 87 88 #define PHYS_INTIODEV 0x00c00000 89 90 extern u_int8_t *intiobase; 91 92 #define INTIO_ADDR(a) ((volatile u_int8_t *) (((u_int32_t) (a)) - (PHYS_INTIODEV) + intiobase)) 93 94 #define INTIO_SYSPORT (0x00e8e000) 95 #define intio_sysport INTIO_ADDR(INTIO_SYSPORT) 96 #define sysport_contrast 1 97 #define sysport_tvctrl 3 98 #define sysport_imageunit 5 99 #define sysport_keyctrl 7 100 #define sysport_waitctrl 9 101 #define sysport_mpustat 11 102 #define sysport_sramwp 13 103 #define sysport_powoff 15 104 105 #define intio_set_sysport_contrast(a) \ 106 intio_sysport[sysport_contrast] = (a) /* 0-15 */ 107 #define intio_set_sysport_tvctrl(a) \ 108 intio_sysport[sysport_tvctrl] = (a) 109 #define INTIO_SYSPORT_TVCTRL 0x08 110 #define intio_set_sysport_imageunit(a) \ 111 intio_sysport[sysport_imageunit] = (a) 112 #define intio_set_sysport_keyctrl(a) \ 113 intio_sysport[sysport_keyctrl] = (a) 114 #define INTIO_SYSPORT_KBENABLE 0x08 115 #define intio_set_sysport_waitctrl(a) \ 116 intio_sysport[sysport_waitctrl] = (a) /* X68030 only */ 117 #define intio_set_sysport_sramwp(a) \ 118 intio_sysport[sysport_sramwp] = (a) 119 #define INTIO_SYSPORT_SRAMWP 0x31 120 #define intio_set_sysport_powoff(a) \ 121 intio_sysport[sysport_powoff] = (a) 122 123 #define intio_get_sysport_contrast() \ 124 (intio_sysport[sysport_contrast]) 125 #define intio_get_sysport_tvctrl() \ 126 (intio_sysport[sysport_tvctrl]) 127 #define INTIO_SYSPORT_TVSTAT 0x08 128 #define intio_get_sysport_keyctrl() \ 129 (intio_sysport[sysport_keyctrl]) 130 #define INTIO_SYSPORT_KBEXIST 0x08 131 #define intio_get_sysport_waitctrl() \ 132 (intio_sysport[sysport_waitctrl]) 133 #define intio_get_sysport_mpustat() \ 134 (intio_sysport[sysport_mpustat]) 135 136 struct intio_dma_cookie { 137 int id_flags; /* flags; see below */ 138 139 /* 140 * Information about the original buffer used during 141 * DMA map syncs. Note that origibuflen is only used 142 * for ID_BUFTYPE_LINEAR. 143 */ 144 void *id_origbuf; /* pointer to orig buffer if 145 bouncing */ 146 bus_size_t id_origbuflen; /* ...and size */ 147 int id_buftype; /* type of buffer */ 148 149 void *id_bouncebuf; /* pointer to the bounce buffer */ 150 bus_size_t id_bouncebuflen; /* ...and size */ 151 int id_nbouncesegs; /* number of valid bounce segs */ 152 bus_dma_segment_t id_bouncesegs[0]; /* array of bounce buffer 153 physical memory segments */ 154 }; 155 156 /* id_flags */ 157 #define ID_MIGHT_NEED_BOUNCE 0x01 /* map could need bounce buffers */ 158 #define ID_HAS_BOUNCE 0x02 /* map currently has bounce buffers */ 159 #define ID_IS_BOUNCING 0x04 /* map is bouncing current xfer */ 160 161 /* id_buftype */ 162 #define ID_BUFTYPE_INVALID 0 163 #define ID_BUFTYPE_LINEAR 1 164 #define ID_BUFTYPE_MBUF 2 165 #define ID_BUFTYPE_UIO 3 166 #define ID_BUFTYPE_RAW 4 167 168 #endif 169
Indexes created Wed Oct 15 16:09:53 GMT 2025