dpt_eisa.c revision 104710
1120586Sbms/*- 2120586Sbms * Copyright (c) 1997, 2000 Matthew N. Dodd <winter@jurai.net> 3120586Sbms * All rights reserved. 4120586Sbms * 5120586Sbms * Redistribution and use in source and binary forms, with or without 6120586Sbms * modification, are permitted provided that the following conditions 7120586Sbms * are met: 8120586Sbms * 1. Redistributions of source code must retain the above copyright 9120586Sbms * notice, this list of conditions and the following disclaimer. 10120586Sbms * 2. Redistributions in binary form must reproduce the above copyright 11120586Sbms * notice, this list of conditions and the following disclaimer in the 12120586Sbms * documentation and/or other materials provided with the distribution. 13120586Sbms * 14120586Sbms * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15120586Sbms * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16120586Sbms * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17120586Sbms * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18120586Sbms * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19120586Sbms * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20120586Sbms * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21120586Sbms * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22120586Sbms * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23120586Sbms * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24120586Sbms * SUCH DAMAGE. 25120586Sbms * 26120586Sbms * $FreeBSD: head/sys/dev/dpt/dpt_eisa.c 104710 2002-10-09 08:54:32Z peter $ 27120586Sbms */ 28120586Sbms 29131680Sru#include <sys/param.h> 30131681Sru#include <sys/systm.h> 31120586Sbms#include <sys/kernel.h> 32120586Sbms#include <sys/module.h> 33120586Sbms#include <sys/bus.h> 34120586Sbms 35120586Sbms#include <machine/bus_pio.h> 36120586Sbms#include <machine/bus.h> 37120586Sbms#include <machine/resource.h> 38120586Sbms#include <sys/rman.h> 39131680Sru 40131680Sru#include <dev/eisa/eisaconf.h> 41131680Sru 42120586Sbms#include <cam/scsi/scsi_all.h> 43120586Sbms 44120586Sbms#include <dev/dpt/dpt.h> 45120586Sbms 46120586Sbms#define DPT_EISA_IOSIZE 0x100 47120586Sbms#define DPT_EISA_SLOT_OFFSET 0x0c00 48120586Sbms#define DPT_EISA_EATA_REG_OFFSET 0x0088 49120586Sbms 50120586Sbms#define DPT_EISA_DPT2402 0x12142402 /* DPT PM2012A/9X */ 51120586Sbms#define DPT_EISA_DPTA401 0x1214A401 /* DPT PM2012B/9X */ 52120586Sbms#define DPT_EISA_DPTA402 0x1214A402 /* DPT PM2012B2/9X */ 53120586Sbms#define DPT_EISA_DPTA410 0x1214A410 /* DPT PM2x22A/9X */ 54120586Sbms#define DPT_EISA_DPTA411 0x1214A411 /* DPT Spectre */ 55120586Sbms#define DPT_EISA_DPTA412 0x1214A412 /* DPT PM2021A/9X */ 56120586Sbms#define DPT_EISA_DPTA420 0x1214A420 /* DPT Smart Cache IV (PM2042) */ 57120586Sbms#define DPT_EISA_DPTA501 0x1214A501 /* DPT PM2012B1/9X" */ 58120586Sbms#define DPT_EISA_DPTA502 0x1214A502 /* DPT PM2012Bx/9X */ 59120586Sbms#define DPT_EISA_DPTA701 0x1214A701 /* DPT PM2011B1/9X */ 60120586Sbms#define DPT_EISA_DPTBC01 0x1214BC01 /* DPT PM3011/7X ESDI */ 61120586Sbms#define DPT_EISA_DPT8200 0x12148200 /* NEC EATA SCSI */ 62120586Sbms#define DPT_EISA_DPT2408 0x12142408 /* ATT EATA SCSI */ 63131680Sru 64120586Sbms/* Function Prototypes */ 65120586Sbms 66120586Sbmsstatic const char * dpt_eisa_match (eisa_id_t); 67120586Sbmsstatic int dpt_eisa_probe (device_t); 68120586Sbmsstatic int dpt_eisa_attach (device_t); 69120586Sbms 70120586Sbms 71120586Sbmsstatic int 72120586Sbmsdpt_eisa_probe (device_t dev) 73120586Sbms{ 74135841Salc const char * desc; 75120586Sbms u_int32_t io_base; 76120586Sbms dpt_conf_t * conf; 77147647Shmp 78267936Sbapt desc = dpt_eisa_match(eisa_get_id(dev)); 79 if (!desc) 80 return (ENXIO); 81 device_set_desc(dev, desc); 82 83 io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + DPT_EISA_SLOT_OFFSET; 84 85 conf = dpt_pio_get_conf(io_base + DPT_EISA_EATA_REG_OFFSET); 86 if (!conf) { 87 printf("dpt: dpt_pio_get_conf() failed.\n"); 88 return (ENXIO); 89 } 90 91 eisa_add_iospace(dev, io_base, DPT_EISA_IOSIZE, RESVADDR_NONE); 92 eisa_add_intr(dev, conf->IRQ, 93 (conf->IRQ_TR ? EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE)); 94 95 return 0; 96} 97 98static int 99dpt_eisa_attach (device_t dev) 100{ 101 dpt_softc_t * dpt; 102 struct resource *io = 0; 103 struct resource *irq = 0; 104 int s; 105 int rid; 106 void * ih; 107 int error = 0; 108 109 rid = 0; 110 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); 111 if (!io) { 112 device_printf(dev, "No I/O space?!\n"); 113 error = ENOMEM; 114 goto bad; 115 } 116 117 rid = 0; 118 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE); 119 if (!irq) { 120 device_printf(dev, "No irq?!\n"); 121 error = ENOMEM; 122 goto bad; 123 } 124 125 dpt = dpt_alloc(dev, rman_get_bustag(io), 126 rman_get_bushandle(io) + DPT_EISA_EATA_REG_OFFSET); 127 if (dpt == NULL) { 128 error = ENOMEM; 129 goto bad; 130 } 131 132 /* Allocate a dmatag representing the capabilities of this attachment */ 133 /* XXX Should be a child of the EISA bus dma tag */ 134 if (bus_dma_tag_create( /* parent */ NULL, 135 /* alignemnt */ 1, 136 /* boundary */ 0, 137 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 138 /* highaddr */ BUS_SPACE_MAXADDR, 139 /* filter */ NULL, 140 /* filterarg */ NULL, 141 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 142 /* nsegments */ ~0, 143 /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT, 144 /* flags */0, 145 &dpt->parent_dmat) != 0) { 146 dpt_free(dpt); 147 error = ENXIO; 148 goto bad; 149 } 150 151 s = splcam(); 152 153 if (dpt_init(dpt) != 0) { 154 dpt_free(dpt); 155 error = ENXIO; 156 goto bad; 157 } 158 159 /* Register with the XPT */ 160 dpt_attach(dpt); 161 162 splx(s); 163 164 if (bus_setup_intr(dev, irq, INTR_TYPE_CAM | INTR_ENTROPY, dpt_intr, 165 dpt, &ih)) { 166 device_printf(dev, "Unable to register interrupt handler\n"); 167 error = ENXIO; 168 goto bad; 169 } 170 171 return (error); 172 173 bad: 174 if (io) 175 bus_release_resource(dev, SYS_RES_IOPORT, 0, io); 176 if (irq) 177 bus_release_resource(dev, SYS_RES_IRQ, 0, irq); 178 179 return (error); 180} 181 182static const char * 183dpt_eisa_match(type) 184 eisa_id_t type; 185{ 186 switch (type) { 187 case DPT_EISA_DPT2402: 188 case DPT_EISA_DPTA401: 189 case DPT_EISA_DPTA402: 190 case DPT_EISA_DPTA410: 191 case DPT_EISA_DPTA411: 192 case DPT_EISA_DPTA412: 193 case DPT_EISA_DPTA420: 194 case DPT_EISA_DPTA501: 195 case DPT_EISA_DPTA502: 196 case DPT_EISA_DPTA701: 197 case DPT_EISA_DPTBC01: 198 case DPT_EISA_DPT8200: 199 case DPT_EISA_DPT2408: 200 return ("DPT SCSI Host Bus Adapter"); 201 break; 202 default: 203 break; 204 } 205 206 return (NULL); 207} 208 209static device_method_t dpt_eisa_methods[] = { 210 /* Device interface */ 211 DEVMETHOD(device_probe, dpt_eisa_probe), 212 DEVMETHOD(device_attach, dpt_eisa_attach), 213 214 { 0, 0 } 215}; 216 217static driver_t dpt_eisa_driver = { 218 "dpt", 219 dpt_eisa_methods, 220 sizeof(dpt_softc_t), 221}; 222 223static devclass_t dpt_devclass; 224 225DRIVER_MODULE(dpt, eisa, dpt_eisa_driver, dpt_devclass, 0, 0); 226