intiovar.h revision 1.9
1 /* $NetBSD: intiovar.h,v 1.9 2007/10/17 19:58:02 garbled 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 the NetBSD 19 * Foundation, Inc. and its contributors. 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 /* 37 * NetBSD/x68k internal I/O virtual bus. 38 */ 39 40 #ifndef _INTIOVAR_H_ 41 #define _INTIOVAR_H_ 42 43 #include <machine/frame.h> 44 #include <sys/malloc.h> 45 #include <sys/extent.h> 46 #include "locators.h" 47 48 #define cf_addr cf_loc[INTIOCF_ADDR] 49 #define cf_intr cf_loc[INTIOCF_INTR] 50 #define cf_dma cf_loc[INTIOCF_DMA] 51 #define cf_dmaintr cf_loc[INTIOCF_DMAINTR] 52 53 54 struct intio_attach_args { 55 bus_space_tag_t ia_bst; /* bus_space tag */ 56 bus_dma_tag_t ia_dmat; /* bus_dma tag */ 57 58 const char *ia_name; /* device name */ 59 int ia_addr; /* addr */ 60 int ia_size; 61 int ia_intr; /* interrupt vector */ 62 int ia_dma; /* dma channel */ 63 int ia_dmaintr; /* interrupt vector for dmac */ 64 }; 65 66 struct intio_softc { 67 struct device sc_dev; 68 bus_space_tag_t sc_bst; 69 bus_dma_tag_t sc_dmat; 70 struct extent *sc_map; 71 struct device *sc_dmac; 72 }; 73 74 enum intio_map_flag { 75 INTIO_MAP_ALLOCATE = 0, 76 INTIO_MAP_TESTONLY = 1 77 }; 78 int intio_map_allocate_region(struct device *, struct intio_attach_args *, 79 enum intio_map_flag); 80 int intio_map_free_region(struct device *, struct intio_attach_args *); 81 82 typedef int (*intio_intr_handler_t)(void *); 83 84 int intio_intr_establish(int, const char *, intio_intr_handler_t, void *); 85 int intio_intr_disestablish(int, void *); 86 int intio_intr(struct frame *); 87 88 89 #define PHYS_INTIODEV 0x00c00000 90 91 extern u_int8_t *intiobase; 92 93 #define INTIO_ADDR(a) ((volatile u_int8_t *) (((u_int32_t) (a)) - (PHYS_INTIODEV) + intiobase)) 94 95 #define INTIO_SYSPORT (0x00e8e000) 96 #define intio_sysport INTIO_ADDR(INTIO_SYSPORT) 97 #define sysport_contrast 1 98 #define sysport_tvctrl 3 99 #define sysport_imageunit 5 100 #define sysport_keyctrl 7 101 #define sysport_waitctrl 9 102 #define sysport_mpustat 11 103 #define sysport_sramwp 13 104 #define sysport_powoff 15 105 106 #define intio_set_sysport_contrast(a) \ 107 intio_sysport[sysport_contrast] = (a) /* 0-15 */ 108 #define intio_set_sysport_tvctrl(a) \ 109 intio_sysport[sysport_tvctrl] = (a) 110 #define INTIO_SYSPORT_TVCTRL 0x08 111 #define intio_set_sysport_imageunit(a) \ 112 intio_sysport[sysport_imageunit] = (a) 113 #define intio_set_sysport_keyctrl(a) \ 114 intio_sysport[sysport_keyctrl] = (a) 115 #define INTIO_SYSPORT_KBENABLE 0x08 116 #define intio_set_sysport_waitctrl(a) \ 117 intio_sysport[sysport_waitctrl] = (a) /* X68030 only */ 118 #define intio_set_sysport_sramwp(a) \ 119 intio_sysport[sysport_sramwp] = (a) 120 #define INTIO_SYSPORT_SRAMWP 0x31 121 #define intio_set_sysport_powoff(a) \ 122 intio_sysport[sysport_powoff] = (a) 123 124 #define intio_get_sysport_contrast() \ 125 (intio_sysport[sysport_contrast]) 126 #define intio_get_sysport_tvctrl() \ 127 (intio_sysport[sysport_tvctrl]) 128 #define INTIO_SYSPORT_TVSTAT 0x08 129 #define intio_get_sysport_keyctrl() \ 130 (intio_sysport[sysport_keyctrl]) 131 #define INTIO_SYSPORT_KBEXIST 0x08 132 #define intio_get_sysport_waitctrl() \ 133 (intio_sysport[sysport_waitctrl]) 134 #define intio_get_sysport_mpustat() \ 135 (intio_sysport[sysport_mpustat]) 136 137 /* I/O controller (sicilian/pluto) */ 138 #define INTIO_SICILIAN (0x00e9c000) 139 #define intio_sicilian INTIO_ADDR(INTIO_SICILIAN) 140 #define sicilian_intr 1 141 #define sicilian_ivec 3 142 143 #define intio_get_sicilian_intr() \ 144 (intio_sicilian[sicilian_intr]) 145 #define intio_set_sicilian_intr(a) \ 146 intio_sicilian[sicilian_intr] = (a) 147 #define SICILIAN_INTR_PAR 0x01 148 #define SICILIAN_INTR_FDD 0x02 149 #define SICILIAN_INTR_FDC 0x04 150 #define SICILIAN_INTR_HDD 0x08 151 #define SICILIAN_STAT_HDD 0x10 152 #define SICILIAN_STAT_PAR 0x20 153 #define SICILIAN_STAT_FDD 0x40 154 #define SICILIAN_STAT_FDC 0x80 155 156 #define intio_enable_intr(a) \ 157 intio_sicilian[sicilian_intr] = ((a) | intio_sicilian[sicilian_intr]) 158 #define intio_disable_intr(a) \ 159 intio_sicilian[sicilian_intr] = (~(a) & intio_sicilian[sicilian_intr]) 160 161 #define intio_set_sicilian_ivec(a) \ 162 intio_sicilian[sicilian_ivec] = (a) 163 void intio_set_ivec(int); 164 165 struct intio_dma_cookie { 166 int id_flags; /* flags; see below */ 167 168 /* 169 * Information about the original buffer used during 170 * DMA map syncs. Note that origibuflen is only used 171 * for ID_BUFTYPE_LINEAR. 172 */ 173 void *id_origbuf; /* pointer to orig buffer if 174 bouncing */ 175 bus_size_t id_origbuflen; /* ...and size */ 176 int id_buftype; /* type of buffer */ 177 178 void *id_bouncebuf; /* pointer to the bounce buffer */ 179 bus_size_t id_bouncebuflen; /* ...and size */ 180 int id_nbouncesegs; /* number of valid bounce segs */ 181 bus_dma_segment_t id_bouncesegs[0]; /* array of bounce buffer 182 physical memory segments */ 183 }; 184 185 /* id_flags */ 186 #define ID_MIGHT_NEED_BOUNCE 0x01 /* map could need bounce buffers */ 187 #define ID_HAS_BOUNCE 0x02 /* map currently has bounce buffers */ 188 #define ID_IS_BOUNCING 0x04 /* map is bouncing current xfer */ 189 190 /* id_buftype */ 191 #define ID_BUFTYPE_INVALID 0 192 #define ID_BUFTYPE_LINEAR 1 193 #define ID_BUFTYPE_MBUF 2 194 #define ID_BUFTYPE_UIO 3 195 #define ID_BUFTYPE_RAW 4 196 197 #endif 198
Indexes created Wed Oct 15 07:09:58 GMT 2025