dpt_eisa.c revision 55953
1/* 2 * Copyright (c) 1997 by Matthew N. Dodd <winter@jurai.net> 3 * All Rights Reserved 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions, and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30/* 31 * Credits: Based on and part of the DPT driver for FreeBSD written and 32 * maintained by Simon Shapiro <shimon@simon-shapiro.org> 33 */ 34 35/* 36 * $FreeBSD: head/sys/dev/dpt/dpt_eisa.c 55953 2000-01-14 07:14:17Z peter $ 37 */ 38 39#include "eisa.h" 40#if NEISA > 0 41#include "opt_dpt.h" 42 43#include <sys/param.h> 44#include <sys/systm.h> 45#include <sys/malloc.h> 46#include <sys/buf.h> 47#include <sys/proc.h> 48#include <sys/kernel.h> 49#include <sys/module.h> 50#include <sys/bus.h> 51 52#include <machine/bus_pio.h> 53#include <machine/bus.h> 54#include <machine/resource.h> 55#include <sys/rman.h> 56 57#include <cam/scsi/scsi_all.h> 58 59#include <dev/dpt/dpt.h> 60 61#include <dev/eisa/eisaconf.h> 62 63#include <machine/clock.h> 64 65#include <vm/vm.h> 66#include <vm/vm_param.h> 67#include <vm/pmap.h> 68 69#define DPT_EISA_IOSIZE 0x100 70#define DPT_EISA_SLOT_OFFSET 0x0c00 71#define DPT_EISA_EATA_REG_OFFSET 0x0088 72 73#define DPT_EISA_DPT2402 0x12142402 74#define DPT_EISA_DPTA401 0x1214A401 75#define DPT_EISA_DPTA402 0x1214A402 76#define DPT_EISA_DPTA410 0x1214A410 77#define DPT_EISA_DPTA411 0x1214A411 78#define DPT_EISA_DPTA412 0x1214A412 79#define DPT_EISA_DPTA420 0x1214A420 80#define DPT_EISA_DPTA501 0x1214A501 81#define DPT_EISA_DPTA502 0x1214A502 82#define DPT_EISA_DPTA701 0x1214A701 83#define DPT_EISA_DPTBC01 0x1214BC01 84#define DPT_EISA_NEC8200 0x12148200 85#define DPT_EISA_ATT2408 0x12142408 86 87/* Function Prototypes */ 88 89static const char *dpt_eisa_match(eisa_id_t); 90 91static int 92dpt_eisa_probe(device_t dev) 93{ 94 const char * desc; 95 u_int32_t io_base; 96 dpt_conf_t * conf; 97 98 desc = dpt_eisa_match(eisa_get_id(dev)); 99 if (!desc) 100 return (ENXIO); 101 device_set_desc(dev, desc); 102 103 io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + DPT_EISA_SLOT_OFFSET; 104 105 conf = dpt_pio_get_conf(io_base + DPT_EISA_EATA_REG_OFFSET); 106 if (!conf) { 107 printf("dpt: dpt_pio_get_conf() failed.\n"); 108 return (ENXIO); 109 } 110 111 eisa_add_iospace(dev, io_base, DPT_EISA_IOSIZE, RESVADDR_NONE); 112 eisa_add_intr(dev, conf->IRQ, 113 (conf->IRQ_TR ? EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE)); 114 115 return 0; 116} 117 118static int 119dpt_eisa_attach(device_t dev) 120{ 121 dpt_softc_t *dpt; 122 struct resource *io = 0; 123 struct resource *irq = 0; 124 int unit = device_get_unit(dev); 125 int s; 126 int rid; 127 void *ih; 128 129 rid = 0; 130 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 131 0, ~0, 1, RF_ACTIVE); 132 if (!io) { 133 device_printf(dev, "No I/O space?!\n"); 134 return ENOMEM; 135 } 136 137 dpt = dpt_alloc(unit, rman_get_bustag(io), 138 rman_get_bushandle(io) + DPT_EISA_EATA_REG_OFFSET); 139 if (dpt == NULL) 140 goto bad; 141 142 /* Allocate a dmatag representing the capabilities of this attachment */ 143 /* XXX Should be a child of the EISA bus dma tag */ 144 if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/1, /*boundary*/0, 145 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 146 /*highaddr*/BUS_SPACE_MAXADDR, 147 /*filter*/NULL, /*filterarg*/NULL, 148 /*maxsize*/BUS_SPACE_MAXSIZE_32BIT, 149 /*nsegments*/BUS_SPACE_UNRESTRICTED, 150 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, 151 /*flags*/0, &dpt->parent_dmat) != 0) { 152 dpt_free(dpt); 153 goto bad; 154 } 155 156 rid = 0; 157 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 158 0, ~0, 1, RF_ACTIVE); 159 if (!irq) { 160 device_printf(dev, "No irq?!\n"); 161 goto bad; 162 } 163 164 s = splcam(); 165 if (dpt_init(dpt) != 0) { 166 dpt_free(dpt); 167 goto bad; 168 } 169 170 /* Register with the XPT */ 171 dpt_attach(dpt); 172 bus_setup_intr(dev, irq, INTR_TYPE_CAM, dpt_intr, dpt, &ih); 173 174 splx(s); 175 176 return 0; 177 178 bad: 179 if (io) 180 bus_release_resource(dev, SYS_RES_IOPORT, 0, io); 181 if (irq) 182 bus_release_resource(dev, SYS_RES_IRQ, 0, irq); 183 return -1; 184} 185 186static const char * 187dpt_eisa_match(type) 188 eisa_id_t type; 189{ 190 switch (type) { 191 case DPT_EISA_DPT2402 : 192 return ("DPT PM2012A/9X"); 193 break; 194 case DPT_EISA_DPTA401 : 195 return ("DPT PM2012B/9X"); 196 break; 197 case DPT_EISA_DPTA402 : 198 return ("DPT PM2012B2/9X"); 199 break; 200 case DPT_EISA_DPTA410 : 201 return ("DPT PM2x22A/9X"); 202 break; 203 case DPT_EISA_DPTA411 : 204 return ("DPT Spectre"); 205 break; 206 case DPT_EISA_DPTA412 : 207 return ("DPT PM2021A/9X"); 208 break; 209 case DPT_EISA_DPTA420 : 210 return ("DPT Smart Cache IV (PM2042)"); 211 break; 212 case DPT_EISA_DPTA501 : 213 return ("DPT PM2012B1/9X"); 214 break; 215 case DPT_EISA_DPTA502 : 216 return ("DPT PM2012Bx/9X"); 217 break; 218 case DPT_EISA_DPTA701 : 219 return ("DPT PM2011B1/9X"); 220 break; 221 case DPT_EISA_DPTBC01 : 222 return ("DPT PM3011/7X ESDI"); 223 break; 224 case DPT_EISA_NEC8200 : 225 return ("NEC EATA SCSI"); 226 break; 227 case DPT_EISA_ATT2408 : 228 return ("ATT EATA SCSI"); 229 break; 230 default: 231 break; 232 } 233 234 return (NULL); 235} 236 237static device_method_t dpt_eisa_methods[] = { 238 /* Device interface */ 239 DEVMETHOD(device_probe, dpt_eisa_probe), 240 DEVMETHOD(device_attach, dpt_eisa_attach), 241 242 { 0, 0 } 243}; 244 245static driver_t dpt_eisa_driver = { 246 "dpt", 247 dpt_eisa_methods, 248 1, /* unused */ 249}; 250 251static devclass_t dpt_devclass; 252 253DRIVER_MODULE(dpt, eisa, dpt_eisa_driver, dpt_devclass, 0, 0); 254 255#endif /* NEISA > 0 */ 256