1 /* $NetBSD: intiovar.h,v 1.13 2008/12/18 05:56:42 isaki 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 bus_space_tag_t sc_bst; 68 bus_dma_tag_t sc_dmat; 69 struct extent *sc_map; 70 device_t 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(device_t, struct intio_attach_args *, 78 enum intio_map_flag); 79 int intio_map_free_region(device_t, struct intio_attach_args *); 80 81 typedef int (*intio_intr_handler_t)(void *); 82 83 int intio_intr_establish(int, const char *, intio_intr_handler_t, void *); 84 int intio_intr_establish_ext(int, const char *, const char *, 85 intio_intr_handler_t, void *); 86 int intio_intr_disestablish(int, void *); 87 int intio_intr(struct frame *); 88 89 90 #define INTIO_SYSPORT (0x00e8e000) 91 #define intio_sysport ((volatile uint8_t *)IIOV(INTIO_SYSPORT)) 92 #define sysport_contrast 1 93 #define sysport_tvctrl 3 94 #define sysport_imageunit 5 95 #define sysport_keyctrl 7 96 #define sysport_waitctrl 9 97 #define sysport_mpustat 11 98 #define sysport_sramwp 13 99 #define sysport_powoff 15 100 101 #define intio_set_sysport_contrast(a) \ 102 intio_sysport[sysport_contrast] = (a) /* 0-15 */ 103 #define intio_set_sysport_tvctrl(a) \ 104 intio_sysport[sysport_tvctrl] = (a) 105 #define INTIO_SYSPORT_TVCTRL 0x08 106 #define intio_set_sysport_imageunit(a) \ 107 intio_sysport[sysport_imageunit] = (a) 108 #define intio_set_sysport_keyctrl(a) \ 109 intio_sysport[sysport_keyctrl] = (a) 110 #define INTIO_SYSPORT_KBENABLE 0x08 111 #define intio_set_sysport_waitctrl(a) \ 112 intio_sysport[sysport_waitctrl] = (a) /* X68030 only */ 113 #define intio_set_sysport_sramwp(a) \ 114 intio_sysport[sysport_sramwp] = (a) 115 #define INTIO_SYSPORT_SRAMWP 0x31 116 #define intio_set_sysport_powoff(a) \ 117 intio_sysport[sysport_powoff] = (a) 118 119 #define intio_get_sysport_contrast() \ 120 (intio_sysport[sysport_contrast]) 121 #define intio_get_sysport_tvctrl() \ 122 (intio_sysport[sysport_tvctrl]) 123 #define INTIO_SYSPORT_TVSTAT 0x08 124 #define intio_get_sysport_keyctrl() \ 125 (intio_sysport[sysport_keyctrl]) 126 #define INTIO_SYSPORT_KBEXIST 0x08 127 #define intio_get_sysport_waitctrl() \ 128 (intio_sysport[sysport_waitctrl]) 129 #define intio_get_sysport_mpustat() \ 130 (intio_sysport[sysport_mpustat]) 131 132 /* I/O controller (sicilian/pluto) */ 133 #define INTIO_SICILIAN (0x00e9c000) 134 #define intio_sicilian ((volatile uint8_t *)IIOV(INTIO_SICILIAN)) 135 #define sicilian_intr 1 136 #define sicilian_ivec 3 137 138 #define intio_get_sicilian_intr() \ 139 (intio_sicilian[sicilian_intr]) 140 #define intio_set_sicilian_intr(a) \ 141 intio_sicilian[sicilian_intr] = (a) 142 #define SICILIAN_INTR_PAR 0x01 143 #define SICILIAN_INTR_FDD 0x02 144 #define SICILIAN_INTR_FDC 0x04 145 #define SICILIAN_INTR_HDD 0x08 146 #define SICILIAN_STAT_HDD 0x10 147 #define SICILIAN_STAT_PAR 0x20 148 #define SICILIAN_STAT_FDD 0x40 149 #define SICILIAN_STAT_FDC 0x80 150 151 #define intio_enable_intr(a) \ 152 intio_sicilian[sicilian_intr] = ((a) | intio_sicilian[sicilian_intr]) 153 #define intio_disable_intr(a) \ 154 intio_sicilian[sicilian_intr] = (~(a) & intio_sicilian[sicilian_intr]) 155 156 #define intio_set_sicilian_ivec(a) \ 157 intio_sicilian[sicilian_ivec] = (a) 158 void intio_set_ivec(int); 159 160 struct intio_dma_cookie { 161 int id_flags; /* flags; see below */ 162 163 /* 164 * Information about the original buffer used during 165 * DMA map syncs. Note that origibuflen is only used 166 * for ID_BUFTYPE_LINEAR. 167 */ 168 void *id_origbuf; /* pointer to orig buffer if 169 bouncing */ 170 bus_size_t id_origbuflen; /* ...and size */ 171 int id_buftype; /* type of buffer */ 172 173 void *id_bouncebuf; /* pointer to the bounce buffer */ 174 bus_size_t id_bouncebuflen; /* ...and size */ 175 int id_nbouncesegs; /* number of valid bounce segs */ 176 bus_dma_segment_t id_bouncesegs[0]; /* array of bounce buffer 177 physical memory segments */ 178 }; 179 180 /* id_flags */ 181 #define ID_MIGHT_NEED_BOUNCE 0x01 /* map could need bounce buffers */ 182 #define ID_HAS_BOUNCE 0x02 /* map currently has bounce buffers */ 183 #define ID_IS_BOUNCING 0x04 /* map is bouncing current xfer */ 184 185 /* id_buftype */ 186 #define ID_BUFTYPE_INVALID 0 187 #define ID_BUFTYPE_LINEAR 1 188 #define ID_BUFTYPE_MBUF 2 189 #define ID_BUFTYPE_UIO 3 190 #define ID_BUFTYPE_RAW 4 191 192 #endif 193