1 /* $NetBSD: intiovar.h,v 1.15 2019/12/15 16:48:26 tsutsui 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 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 /* 31 * NetBSD/x68k internal I/O virtual bus. 32 */ 33 34 #ifndef _INTIOVAR_H_ 35 #define _INTIOVAR_H_ 36 37 #include <machine/frame.h> 38 #include <sys/malloc.h> 39 #include <sys/extent.h> 40 #include "locators.h" 41 42 #define cf_addr cf_loc[INTIOCF_ADDR] 43 #define cf_intr cf_loc[INTIOCF_INTR] 44 #define cf_dma cf_loc[INTIOCF_DMA] 45 #define cf_dmaintr cf_loc[INTIOCF_DMAINTR] 46 47 48 struct intio_attach_args { 49 bus_space_tag_t ia_bst; /* bus_space tag */ 50 bus_dma_tag_t ia_dmat; /* bus_dma tag */ 51 52 const char *ia_name; /* device name */ 53 int ia_addr; /* addr */ 54 int ia_size; 55 int ia_intr; /* interrupt vector */ 56 int ia_dma; /* dma channel */ 57 int ia_dmaintr; /* interrupt vector for dmac */ 58 }; 59 60 struct intio_softc { 61 bus_space_tag_t sc_bst; 62 bus_dma_tag_t sc_dmat; 63 struct extent *sc_map; 64 device_t sc_dmac; 65 }; 66 67 enum intio_map_flag { 68 INTIO_MAP_ALLOCATE = 0, 69 INTIO_MAP_TESTONLY = 1 70 }; 71 int intio_map_allocate_region(device_t, struct intio_attach_args *, 72 enum intio_map_flag); 73 int intio_map_free_region(device_t, struct intio_attach_args *); 74 75 typedef int (*intio_intr_handler_t)(void *); 76 77 int intio_intr_establish(int, const char *, intio_intr_handler_t, void *); 78 int intio_intr_establish_ext(int, const char *, const char *, 79 intio_intr_handler_t, void *); 80 int intio_intr_disestablish(int, void *); 81 int intio_intr(struct frame *); 82 83 84 #define INTIO_SYSPORT (0x00e8e000) 85 #define intio_sysport ((volatile uint8_t *)IIOV(INTIO_SYSPORT)) 86 #define sysport_contrast 1 87 #define sysport_tvctrl 3 88 #define sysport_imageunit 5 89 #define sysport_keyctrl 7 90 #define sysport_waitctrl 9 91 #define sysport_mpustat 11 92 #define sysport_sramwp 13 93 #define sysport_powoff 15 94 95 #define intio_set_sysport_contrast(a) \ 96 intio_sysport[sysport_contrast] = (a) /* 0-15 */ 97 #define intio_set_sysport_tvctrl(a) \ 98 intio_sysport[sysport_tvctrl] = (a) 99 #define INTIO_SYSPORT_TVCTRL 0x08 100 #define intio_set_sysport_imageunit(a) \ 101 intio_sysport[sysport_imageunit] = (a) 102 #define intio_set_sysport_keyctrl(a) \ 103 intio_sysport[sysport_keyctrl] = (a) 104 #define INTIO_SYSPORT_KBENABLE 0x08 105 #define intio_set_sysport_waitctrl(a) \ 106 intio_sysport[sysport_waitctrl] = (a) /* X68030 only */ 107 #define intio_set_sysport_sramwp(a) \ 108 intio_sysport[sysport_sramwp] = (a) 109 #define INTIO_SYSPORT_SRAMWP 0x31 110 #define intio_set_sysport_powoff(a) \ 111 intio_sysport[sysport_powoff] = (a) 112 113 #define intio_get_sysport_contrast() \ 114 (intio_sysport[sysport_contrast]) 115 #define intio_get_sysport_tvctrl() \ 116 (intio_sysport[sysport_tvctrl]) 117 #define INTIO_SYSPORT_TVSTAT 0x08 118 #define intio_get_sysport_keyctrl() \ 119 (intio_sysport[sysport_keyctrl]) 120 #define INTIO_SYSPORT_KBEXIST 0x08 121 #define intio_get_sysport_waitctrl() \ 122 (intio_sysport[sysport_waitctrl]) 123 #define intio_get_sysport_sramwp() \ 124 (intio_sysport[sysport_sramwp]) 125 #define intio_get_sysport_mpustat() \ 126 (intio_sysport[sysport_mpustat]) 127 128 /* I/O controller (sicilian/pluto) */ 129 #define INTIO_SICILIAN (0x00e9c000) 130 #define intio_sicilian ((volatile uint8_t *)IIOV(INTIO_SICILIAN)) 131 #define sicilian_intr 1 132 #define sicilian_ivec 3 133 134 #define intio_get_sicilian_intr() \ 135 (intio_sicilian[sicilian_intr]) 136 #define intio_set_sicilian_intr(a) \ 137 intio_sicilian[sicilian_intr] = (a) 138 #define SICILIAN_INTR_PAR 0x01 139 #define SICILIAN_INTR_FDD 0x02 140 #define SICILIAN_INTR_FDC 0x04 141 #define SICILIAN_INTR_HDD 0x08 142 #define SICILIAN_STAT_HDD 0x10 143 #define SICILIAN_STAT_PAR 0x20 144 #define SICILIAN_STAT_FDD 0x40 145 #define SICILIAN_STAT_FDC 0x80 146 147 #define intio_enable_intr(a) \ 148 intio_sicilian[sicilian_intr] = ((a) | intio_sicilian[sicilian_intr]) 149 #define intio_disable_intr(a) \ 150 intio_sicilian[sicilian_intr] = (~(a) & intio_sicilian[sicilian_intr]) 151 152 #define intio_set_sicilian_ivec(a) \ 153 intio_sicilian[sicilian_ivec] = (a) 154 void intio_set_ivec(int); 155 156 struct intio_dma_cookie { 157 int id_flags; /* flags; see below */ 158 159 /* 160 * Information about the original buffer used during 161 * DMA map syncs. Note that origibuflen is only used 162 * for ID_BUFTYPE_LINEAR. 163 */ 164 void *id_origbuf; /* pointer to orig buffer if 165 bouncing */ 166 bus_size_t id_origbuflen; /* ...and size */ 167 int id_buftype; /* type of buffer */ 168 169 void *id_bouncebuf; /* pointer to the bounce buffer */ 170 bus_size_t id_bouncebuflen; /* ...and size */ 171 int id_nbouncesegs; /* number of valid bounce segs */ 172 bus_dma_segment_t id_bouncesegs[0]; /* array of bounce buffer 173 physical memory segments */ 174 }; 175 176 /* id_flags */ 177 #define ID_MIGHT_NEED_BOUNCE 0x01 /* map could need bounce buffers */ 178 #define ID_HAS_BOUNCE 0x02 /* map currently has bounce buffers */ 179 #define ID_IS_BOUNCING 0x04 /* map is bouncing current xfer */ 180 181 /* id_buftype */ 182 #define ID_BUFTYPE_INVALID 0 183 #define ID_BUFTYPE_LINEAR 1 184 #define ID_BUFTYPE_MBUF 2 185 #define ID_BUFTYPE_UIO 3 186 #define ID_BUFTYPE_RAW 4 187 188 #endif 189