dpt_eisa.c revision 166901
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 166901 2007-02-23 12:19:07Z piso $"); 30 31#include "opt_eisa.h" 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/kernel.h> 36#include <sys/module.h> 37#include <sys/lock.h> 38#include <sys/mutex.h> 39#include <sys/bus.h> 40 41#include <machine/bus.h> 42#include <machine/resource.h> 43#include <sys/rman.h> 44 45#include <dev/eisa/eisaconf.h> 46 47#include <cam/scsi/scsi_all.h> 48 49#include <dev/dpt/dpt.h> 50 51#define DPT_EISA_IOSIZE 0x9 52#define DPT_EISA_SLOT_OFFSET 0x0c00 53#define DPT_EISA_EATA_REG_OFFSET 0x0088 54 55#define DPT_EISA_DPT2402 0x12142402 /* DPT PM2012A/9X */ 56#define DPT_EISA_DPTA401 0x1214A401 /* DPT PM2012B/9X */ 57#define DPT_EISA_DPTA402 0x1214A402 /* DPT PM2012B2/9X */ 58#define DPT_EISA_DPTA410 0x1214A410 /* DPT PM2x22A/9X */ 59#define DPT_EISA_DPTA411 0x1214A411 /* DPT Spectre */ 60#define DPT_EISA_DPTA412 0x1214A412 /* DPT PM2021A/9X */ 61#define DPT_EISA_DPTA420 0x1214A420 /* DPT Smart Cache IV (PM2042) */ 62#define DPT_EISA_DPTA501 0x1214A501 /* DPT PM2012B1/9X" */ 63#define DPT_EISA_DPTA502 0x1214A502 /* DPT PM2012Bx/9X */ 64#define DPT_EISA_DPTA701 0x1214A701 /* DPT PM2011B1/9X */ 65#define DPT_EISA_DPTBC01 0x1214BC01 /* DPT PM3011/7X ESDI */ 66#define DPT_EISA_DPT8200 0x12148200 /* NEC EATA SCSI */ 67#define DPT_EISA_DPT2408 0x12142408 /* ATT EATA SCSI */ 68 69/* Function Prototypes */ 70 71static const char * dpt_eisa_match (eisa_id_t); 72static int dpt_eisa_probe (device_t); 73static int dpt_eisa_attach (device_t); 74 75static int 76dpt_eisa_probe (device_t dev) 77{ 78 const char * desc; 79 u_int32_t io_base; 80 dpt_conf_t * conf; 81 82 desc = dpt_eisa_match(eisa_get_id(dev)); 83 if (!desc) 84 return (ENXIO); 85 device_set_desc(dev, desc); 86 87 io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + 88 DPT_EISA_SLOT_OFFSET + 89 DPT_EISA_EATA_REG_OFFSET; 90 91 conf = dpt_pio_get_conf(io_base); 92 if (!conf) { 93 printf("dpt: dpt_pio_get_conf() failed.\n"); 94 return (ENXIO); 95 } 96 97 eisa_add_iospace(dev, io_base, DPT_EISA_IOSIZE, RESVADDR_NONE); 98 eisa_add_intr(dev, conf->IRQ, 99 (conf->IRQ_TR ? EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE)); 100 101 return 0; 102} 103 104static int 105dpt_eisa_attach (device_t dev) 106{ 107 dpt_softc_t * dpt; 108 int s; 109 int error = 0; 110 111 dpt = device_get_softc(dev); 112 113 dpt->io_rid = 0; 114 dpt->io_type = SYS_RES_IOPORT; 115 dpt->irq_rid = 0; 116 117 error = dpt_alloc_resources(dev); 118 if (error) { 119 goto bad; 120 } 121 122 dpt_alloc(dev); 123 124 /* Allocate a dmatag representing the capabilities of this attachment */ 125 /* XXX Should be a child of the EISA bus dma tag */ 126 if (bus_dma_tag_create( /* parent */ NULL, 127 /* alignemnt */ 1, 128 /* boundary */ 0, 129 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 130 /* highaddr */ BUS_SPACE_MAXADDR, 131 /* filter */ NULL, 132 /* filterarg */ NULL, 133 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 134 /* nsegments */ ~0, 135 /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT, 136 /* flags */ 0, 137 /* lockfunc */ busdma_lock_mutex, 138 /* lockarg */ &Giant, 139 &dpt->parent_dmat) != 0) { 140 error = ENXIO; 141 goto bad; 142 } 143 144 s = splcam(); 145 146 if (dpt_init(dpt) != 0) { 147 splx(s); 148 error = ENXIO; 149 goto bad; 150 } 151 152 /* Register with the XPT */ 153 dpt_attach(dpt); 154 155 splx(s); 156 157 if (bus_setup_intr(dev, dpt->irq_res, INTR_TYPE_CAM | INTR_ENTROPY, 158 NULL, dpt_intr, dpt, &dpt->ih)) { 159 device_printf(dev, "Unable to register interrupt handler\n"); 160 error = ENXIO; 161 goto bad; 162 } 163 164 return (error); 165 166 bad: 167 dpt_release_resources(dev); 168 169 dpt_free(dpt); 170 171 return (error); 172} 173 174static const char * 175dpt_eisa_match(type) 176 eisa_id_t type; 177{ 178 switch (type) { 179 case DPT_EISA_DPT2402: 180 case DPT_EISA_DPTA401: 181 case DPT_EISA_DPTA402: 182 case DPT_EISA_DPTA410: 183 case DPT_EISA_DPTA411: 184 case DPT_EISA_DPTA412: 185 case DPT_EISA_DPTA420: 186 case DPT_EISA_DPTA501: 187 case DPT_EISA_DPTA502: 188 case DPT_EISA_DPTA701: 189 case DPT_EISA_DPTBC01: 190 case DPT_EISA_DPT8200: 191 case DPT_EISA_DPT2408: 192 return ("DPT SCSI Host Bus Adapter"); 193 break; 194 default: 195 break; 196 } 197 198 return (NULL); 199} 200 201static device_method_t dpt_eisa_methods[] = { 202 /* Device interface */ 203 DEVMETHOD(device_probe, dpt_eisa_probe), 204 DEVMETHOD(device_attach, dpt_eisa_attach), 205 DEVMETHOD(device_detach, dpt_detach), 206 207 { 0, 0 } 208}; 209 210static driver_t dpt_eisa_driver = { 211 "dpt", 212 dpt_eisa_methods, 213 sizeof(dpt_softc_t), 214}; 215 216DRIVER_MODULE(dpt, eisa, dpt_eisa_driver, dpt_devclass, 0, 0); 217MODULE_DEPEND(dpt, eisa, 1, 1, 1); 218MODULE_DEPEND(dpt, cam, 1, 1, 1); 219