dpt_eisa.c revision 146734
1/*- 2 * Copyright (c) 1997, 2000 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 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */ 27 28#include <sys/cdefs.h> 29__FBSDID("$FreeBSD: head/sys/dev/dpt/dpt_eisa.c 146734 2005-05-29 04:42:30Z nyan $"); 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/kernel.h> 34#include <sys/module.h> 35#include <sys/lock.h> 36#include <sys/mutex.h> 37#include <sys/bus.h> 38 39#include <machine/bus.h> 40#include <machine/resource.h> 41#include <sys/rman.h> 42 43#include <dev/eisa/eisaconf.h> 44 45#include <cam/scsi/scsi_all.h> 46 47#include <dev/dpt/dpt.h> 48 49#define DPT_EISA_IOSIZE 0x9 50#define DPT_EISA_SLOT_OFFSET 0x0c00 51#define DPT_EISA_EATA_REG_OFFSET 0x0088 52 53#define DPT_EISA_DPT2402 0x12142402 /* DPT PM2012A/9X */ 54#define DPT_EISA_DPTA401 0x1214A401 /* DPT PM2012B/9X */ 55#define DPT_EISA_DPTA402 0x1214A402 /* DPT PM2012B2/9X */ 56#define DPT_EISA_DPTA410 0x1214A410 /* DPT PM2x22A/9X */ 57#define DPT_EISA_DPTA411 0x1214A411 /* DPT Spectre */ 58#define DPT_EISA_DPTA412 0x1214A412 /* DPT PM2021A/9X */ 59#define DPT_EISA_DPTA420 0x1214A420 /* DPT Smart Cache IV (PM2042) */ 60#define DPT_EISA_DPTA501 0x1214A501 /* DPT PM2012B1/9X" */ 61#define DPT_EISA_DPTA502 0x1214A502 /* DPT PM2012Bx/9X */ 62#define DPT_EISA_DPTA701 0x1214A701 /* DPT PM2011B1/9X */ 63#define DPT_EISA_DPTBC01 0x1214BC01 /* DPT PM3011/7X ESDI */ 64#define DPT_EISA_DPT8200 0x12148200 /* NEC EATA SCSI */ 65#define DPT_EISA_DPT2408 0x12142408 /* ATT EATA SCSI */ 66 67/* Function Prototypes */ 68 69static const char * dpt_eisa_match (eisa_id_t); 70static int dpt_eisa_probe (device_t); 71static int dpt_eisa_attach (device_t); 72 73static int 74dpt_eisa_probe (device_t dev) 75{ 76 const char * desc; 77 u_int32_t io_base; 78 dpt_conf_t * conf; 79 80 desc = dpt_eisa_match(eisa_get_id(dev)); 81 if (!desc) 82 return (ENXIO); 83 device_set_desc(dev, desc); 84 85 io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + 86 DPT_EISA_SLOT_OFFSET + 87 DPT_EISA_EATA_REG_OFFSET; 88 89 conf = dpt_pio_get_conf(io_base); 90 if (!conf) { 91 printf("dpt: dpt_pio_get_conf() failed.\n"); 92 return (ENXIO); 93 } 94 95 eisa_add_iospace(dev, io_base, DPT_EISA_IOSIZE, RESVADDR_NONE); 96 eisa_add_intr(dev, conf->IRQ, 97 (conf->IRQ_TR ? EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE)); 98 99 return 0; 100} 101 102static int 103dpt_eisa_attach (device_t dev) 104{ 105 dpt_softc_t * dpt; 106 int s; 107 int error = 0; 108 109 dpt = device_get_softc(dev); 110 111 dpt->io_rid = 0; 112 dpt->io_type = SYS_RES_IOPORT; 113 dpt->irq_rid = 0; 114 115 error = dpt_alloc_resources(dev); 116 if (error) { 117 goto bad; 118 } 119 120 dpt_alloc(dev); 121 122 /* Allocate a dmatag representing the capabilities of this attachment */ 123 /* XXX Should be a child of the EISA bus dma tag */ 124 if (bus_dma_tag_create( /* parent */ NULL, 125 /* alignemnt */ 1, 126 /* boundary */ 0, 127 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 128 /* highaddr */ BUS_SPACE_MAXADDR, 129 /* filter */ NULL, 130 /* filterarg */ NULL, 131 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 132 /* nsegments */ ~0, 133 /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT, 134 /* flags */ 0, 135 /* lockfunc */ busdma_lock_mutex, 136 /* lockarg */ &Giant, 137 &dpt->parent_dmat) != 0) { 138 error = ENXIO; 139 goto bad; 140 } 141 142 s = splcam(); 143 144 if (dpt_init(dpt) != 0) { 145 splx(s); 146 error = ENXIO; 147 goto bad; 148 } 149 150 /* Register with the XPT */ 151 dpt_attach(dpt); 152 153 splx(s); 154 155 if (bus_setup_intr(dev, dpt->irq_res, INTR_TYPE_CAM | INTR_ENTROPY, 156 dpt_intr, dpt, &dpt->ih)) { 157 device_printf(dev, "Unable to register interrupt handler\n"); 158 error = ENXIO; 159 goto bad; 160 } 161 162 return (error); 163 164 bad: 165 dpt_release_resources(dev); 166 167 dpt_free(dpt); 168 169 return (error); 170} 171 172static const char * 173dpt_eisa_match(type) 174 eisa_id_t type; 175{ 176 switch (type) { 177 case DPT_EISA_DPT2402: 178 case DPT_EISA_DPTA401: 179 case DPT_EISA_DPTA402: 180 case DPT_EISA_DPTA410: 181 case DPT_EISA_DPTA411: 182 case DPT_EISA_DPTA412: 183 case DPT_EISA_DPTA420: 184 case DPT_EISA_DPTA501: 185 case DPT_EISA_DPTA502: 186 case DPT_EISA_DPTA701: 187 case DPT_EISA_DPTBC01: 188 case DPT_EISA_DPT8200: 189 case DPT_EISA_DPT2408: 190 return ("DPT SCSI Host Bus Adapter"); 191 break; 192 default: 193 break; 194 } 195 196 return (NULL); 197} 198 199static device_method_t dpt_eisa_methods[] = { 200 /* Device interface */ 201 DEVMETHOD(device_probe, dpt_eisa_probe), 202 DEVMETHOD(device_attach, dpt_eisa_attach), 203 DEVMETHOD(device_detach, dpt_detach), 204 205 { 0, 0 } 206}; 207 208static driver_t dpt_eisa_driver = { 209 "dpt", 210 dpt_eisa_methods, 211 sizeof(dpt_softc_t), 212}; 213 214DRIVER_MODULE(dpt, eisa, dpt_eisa_driver, dpt_devclass, 0, 0); 215