dpt_eisa.c revision 112780
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 * $FreeBSD: head/sys/dev/dpt/dpt_eisa.c 112780 2003-03-29 08:30:45Z mdodd $ 27 */ 28 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/kernel.h> 32#include <sys/module.h> 33#include <sys/bus.h> 34 35#include <machine/bus_pio.h> 36#include <machine/bus.h> 37#include <machine/resource.h> 38#include <sys/rman.h> 39 40#include <dev/eisa/eisaconf.h> 41 42#include <cam/scsi/scsi_all.h> 43 44#include <dev/dpt/dpt.h> 45 46#define DPT_EISA_IOSIZE 0x9 47#define DPT_EISA_SLOT_OFFSET 0x0c00 48#define DPT_EISA_EATA_REG_OFFSET 0x0088 49 50#define DPT_EISA_DPT2402 0x12142402 /* DPT PM2012A/9X */ 51#define DPT_EISA_DPTA401 0x1214A401 /* DPT PM2012B/9X */ 52#define DPT_EISA_DPTA402 0x1214A402 /* DPT PM2012B2/9X */ 53#define DPT_EISA_DPTA410 0x1214A410 /* DPT PM2x22A/9X */ 54#define DPT_EISA_DPTA411 0x1214A411 /* DPT Spectre */ 55#define DPT_EISA_DPTA412 0x1214A412 /* DPT PM2021A/9X */ 56#define DPT_EISA_DPTA420 0x1214A420 /* DPT Smart Cache IV (PM2042) */ 57#define DPT_EISA_DPTA501 0x1214A501 /* DPT PM2012B1/9X" */ 58#define DPT_EISA_DPTA502 0x1214A502 /* DPT PM2012Bx/9X */ 59#define DPT_EISA_DPTA701 0x1214A701 /* DPT PM2011B1/9X */ 60#define DPT_EISA_DPTBC01 0x1214BC01 /* DPT PM3011/7X ESDI */ 61#define DPT_EISA_DPT8200 0x12148200 /* NEC EATA SCSI */ 62#define DPT_EISA_DPT2408 0x12142408 /* ATT EATA SCSI */ 63 64/* Function Prototypes */ 65 66static const char * dpt_eisa_match (eisa_id_t); 67static int dpt_eisa_probe (device_t); 68static int dpt_eisa_attach (device_t); 69 70static int 71dpt_eisa_probe (device_t dev) 72{ 73 const char * desc; 74 u_int32_t io_base; 75 dpt_conf_t * conf; 76 77 desc = dpt_eisa_match(eisa_get_id(dev)); 78 if (!desc) 79 return (ENXIO); 80 device_set_desc(dev, desc); 81 82 io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + 83 DPT_EISA_SLOT_OFFSET + 84 DPT_EISA_EATA_REG_OFFSET; 85 86 conf = dpt_pio_get_conf(io_base); 87 if (!conf) { 88 printf("dpt: dpt_pio_get_conf() failed.\n"); 89 return (ENXIO); 90 } 91 92 eisa_add_iospace(dev, io_base, DPT_EISA_IOSIZE, RESVADDR_NONE); 93 eisa_add_intr(dev, conf->IRQ, 94 (conf->IRQ_TR ? EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE)); 95 96 return 0; 97} 98 99static int 100dpt_eisa_attach (device_t dev) 101{ 102 dpt_softc_t * dpt; 103 int s; 104 int error = 0; 105 106 dpt = device_get_softc(dev); 107 108 dpt->io_rid = 0; 109 dpt->io_type = SYS_RES_IOPORT; 110 dpt->irq_rid = 0; 111 112 error = dpt_alloc_resources(dev); 113 if (error) { 114 goto bad; 115 } 116 117 dpt_alloc(dev); 118 119 /* Allocate a dmatag representing the capabilities of this attachment */ 120 /* XXX Should be a child of the EISA bus dma tag */ 121 if (bus_dma_tag_create( /* parent */ NULL, 122 /* alignemnt */ 1, 123 /* boundary */ 0, 124 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 125 /* highaddr */ BUS_SPACE_MAXADDR, 126 /* filter */ NULL, 127 /* filterarg */ NULL, 128 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 129 /* nsegments */ ~0, 130 /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT, 131 /* flags */0, 132 &dpt->parent_dmat) != 0) { 133 error = ENXIO; 134 goto bad; 135 } 136 137 s = splcam(); 138 139 if (dpt_init(dpt) != 0) { 140 splx(s); 141 error = ENXIO; 142 goto bad; 143 } 144 145 /* Register with the XPT */ 146 dpt_attach(dpt); 147 148 splx(s); 149 150 if (bus_setup_intr(dev, dpt->irq_res, INTR_TYPE_CAM | INTR_ENTROPY, 151 dpt_intr, dpt, &dpt->ih)) { 152 device_printf(dev, "Unable to register interrupt handler\n"); 153 error = ENXIO; 154 goto bad; 155 } 156 157 return (error); 158 159 bad: 160 dpt_release_resources(dev); 161 162 if (dpt) 163 dpt_free(dpt); 164 165 return (error); 166} 167 168static const char * 169dpt_eisa_match(type) 170 eisa_id_t type; 171{ 172 switch (type) { 173 case DPT_EISA_DPT2402: 174 case DPT_EISA_DPTA401: 175 case DPT_EISA_DPTA402: 176 case DPT_EISA_DPTA410: 177 case DPT_EISA_DPTA411: 178 case DPT_EISA_DPTA412: 179 case DPT_EISA_DPTA420: 180 case DPT_EISA_DPTA501: 181 case DPT_EISA_DPTA502: 182 case DPT_EISA_DPTA701: 183 case DPT_EISA_DPTBC01: 184 case DPT_EISA_DPT8200: 185 case DPT_EISA_DPT2408: 186 return ("DPT SCSI Host Bus Adapter"); 187 break; 188 default: 189 break; 190 } 191 192 return (NULL); 193} 194 195static device_method_t dpt_eisa_methods[] = { 196 /* Device interface */ 197 DEVMETHOD(device_probe, dpt_eisa_probe), 198 DEVMETHOD(device_attach, dpt_eisa_attach), 199 DEVMETHOD(device_detach, dpt_detach), 200 201 { 0, 0 } 202}; 203 204static driver_t dpt_eisa_driver = { 205 "dpt", 206 dpt_eisa_methods, 207 sizeof(dpt_softc_t), 208}; 209 210DRIVER_MODULE(dpt, eisa, dpt_eisa_driver, dpt_devclass, 0, 0); 211