dpt_eisa.c revision 170872
1180740Sdes/*- 2180740Sdes * Copyright (c) 1997, 2000 Matthew N. Dodd <winter@jurai.net> 3180740Sdes * All rights reserved. 4180740Sdes * 5180740Sdes * Redistribution and use in source and binary forms, with or without 6180740Sdes * modification, are permitted provided that the following conditions 7180740Sdes * are met: 8180740Sdes * 1. Redistributions of source code must retain the above copyright 9180740Sdes * notice, this list of conditions and the following disclaimer. 10180746Sdes * 2. Redistributions in binary form must reproduce the above copyright 11180746Sdes * notice, this list of conditions and the following disclaimer in the 12180746Sdes * documentation and/or other materials provided with the distribution. 13180740Sdes * 14180740Sdes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15180740Sdes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16180740Sdes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17180740Sdes * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18180740Sdes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19180740Sdes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20180740Sdes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21180740Sdes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22180740Sdes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23180740Sdes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24180740Sdes * SUCH DAMAGE. 25180746Sdes * 26180746Sdes */ 27180746Sdes 28180740Sdes#include <sys/cdefs.h> 29180740Sdes__FBSDID("$FreeBSD: head/sys/dev/dpt/dpt_eisa.c 170872 2007-06-17 05:55:54Z scottl $"); 30180740Sdes 31180740Sdes#include "opt_eisa.h" 32180740Sdes 33180740Sdes#include <sys/param.h> 34180740Sdes#include <sys/systm.h> 35180740Sdes#include <sys/kernel.h> 36180740Sdes#include <sys/module.h> 37180740Sdes#include <sys/lock.h> 38180740Sdes#include <sys/mutex.h> 39180740Sdes#include <sys/bus.h> 40180740Sdes 41180740Sdes#include <machine/bus.h> 42180740Sdes#include <machine/resource.h> 43180740Sdes#include <sys/rman.h> 44180740Sdes 45180740Sdes#include <dev/eisa/eisaconf.h> 46180740Sdes 47180740Sdes#include <cam/scsi/scsi_all.h> 48180740Sdes 49180740Sdes#include <dev/dpt/dpt.h> 50180740Sdes 51180740Sdes#define DPT_EISA_IOSIZE 0x9 52180740Sdes#define DPT_EISA_SLOT_OFFSET 0x0c00 53180740Sdes#define DPT_EISA_EATA_REG_OFFSET 0x0088 54180740Sdes 55180740Sdes#define DPT_EISA_DPT2402 0x12142402 /* DPT PM2012A/9X */ 56180740Sdes#define DPT_EISA_DPTA401 0x1214A401 /* DPT PM2012B/9X */ 57180740Sdes#define DPT_EISA_DPTA402 0x1214A402 /* DPT PM2012B2/9X */ 58180740Sdes#define DPT_EISA_DPTA410 0x1214A410 /* DPT PM2x22A/9X */ 59180740Sdes#define DPT_EISA_DPTA411 0x1214A411 /* DPT Spectre */ 60180740Sdes#define DPT_EISA_DPTA412 0x1214A412 /* DPT PM2021A/9X */ 61180740Sdes#define DPT_EISA_DPTA420 0x1214A420 /* DPT Smart Cache IV (PM2042) */ 62180746Sdes#define DPT_EISA_DPTA501 0x1214A501 /* DPT PM2012B1/9X" */ 63180746Sdes#define DPT_EISA_DPTA502 0x1214A502 /* DPT PM2012Bx/9X */ 64180746Sdes#define DPT_EISA_DPTA701 0x1214A701 /* DPT PM2011B1/9X */ 65180740Sdes#define DPT_EISA_DPTBC01 0x1214BC01 /* DPT PM3011/7X ESDI */ 66180740Sdes#define DPT_EISA_DPT8200 0x12148200 /* NEC EATA SCSI */ 67180740Sdes#define DPT_EISA_DPT2408 0x12142408 /* ATT EATA SCSI */ 68180740Sdes 69180740Sdes/* Function Prototypes */ 70180740Sdes 71180740Sdesstatic const char * dpt_eisa_match (eisa_id_t); 72180740Sdesstatic int dpt_eisa_probe (device_t); 73180740Sdesstatic int dpt_eisa_attach (device_t); 74180740Sdes 75180740Sdesstatic int 76180740Sdesdpt_eisa_probe (device_t dev) 77180740Sdes{ 78180740Sdes const char * desc; 79180740Sdes u_int32_t io_base; 80180740Sdes dpt_conf_t * conf; 81180740Sdes 82180740Sdes desc = dpt_eisa_match(eisa_get_id(dev)); 83180740Sdes if (!desc) 84180740Sdes return (ENXIO); 85180740Sdes device_set_desc(dev, desc); 86180740Sdes 87180740Sdes io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + 88180740Sdes DPT_EISA_SLOT_OFFSET + 89180740Sdes DPT_EISA_EATA_REG_OFFSET; 90180740Sdes 91180740Sdes conf = dpt_pio_get_conf(io_base); 92180740Sdes if (!conf) { 93180740Sdes printf("dpt: dpt_pio_get_conf() failed.\n"); 94180740Sdes return (ENXIO); 95180740Sdes } 96180740Sdes 97180740Sdes eisa_add_iospace(dev, io_base, DPT_EISA_IOSIZE, RESVADDR_NONE); 98180740Sdes eisa_add_intr(dev, conf->IRQ, 99180740Sdes (conf->IRQ_TR ? EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE)); 100180740Sdes 101180740Sdes return 0; 102180740Sdes} 103180740Sdes 104180740Sdesstatic int 105180740Sdesdpt_eisa_attach (device_t dev) 106180740Sdes{ 107180740Sdes dpt_softc_t * dpt; 108180740Sdes int s; 109180740Sdes int error = 0; 110180740Sdes 111180740Sdes dpt = device_get_softc(dev); 112180740Sdes dpt->dev = dev; 113180740Sdes 114180740Sdes dpt->io_rid = 0; 115180740Sdes dpt->io_type = SYS_RES_IOPORT; 116180740Sdes dpt->irq_rid = 0; 117180740Sdes 118180740Sdes error = dpt_alloc_resources(dev); 119180740Sdes if (error) { 120180740Sdes goto bad; 121180740Sdes } 122180740Sdes 123180740Sdes dpt_alloc(dev); 124180740Sdes 125180740Sdes /* Allocate a dmatag representing the capabilities of this attachment */ 126180740Sdes /* XXX Should be a child of the EISA bus dma tag */ 127180740Sdes if (bus_dma_tag_create( /* parent */ NULL, 128180740Sdes /* alignemnt */ 1, 129180740Sdes /* boundary */ 0, 130180740Sdes /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 131180740Sdes /* highaddr */ BUS_SPACE_MAXADDR, 132180740Sdes /* filter */ NULL, 133180740Sdes /* filterarg */ NULL, 134180740Sdes /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 135180740Sdes /* nsegments */ ~0, 136180740Sdes /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT, 137180740Sdes /* flags */ 0, 138180740Sdes /* lockfunc */ busdma_lock_mutex, 139180740Sdes /* lockarg */ &Giant, 140180740Sdes &dpt->parent_dmat) != 0) { 141180740Sdes error = ENXIO; 142180740Sdes goto bad; 143180740Sdes } 144180740Sdes 145180740Sdes s = splcam(); 146180740Sdes 147180740Sdes if (dpt_init(dpt) != 0) { 148180740Sdes splx(s); 149180740Sdes error = ENXIO; 150180740Sdes goto bad; 151180740Sdes } 152180740Sdes 153180740Sdes /* Register with the XPT */ 154180740Sdes dpt_attach(dpt); 155180740Sdes 156180740Sdes splx(s); 157180740Sdes 158180740Sdes if (bus_setup_intr(dev, dpt->irq_res, INTR_TYPE_CAM | INTR_ENTROPY, 159180740Sdes NULL, dpt_intr, dpt, &dpt->ih)) { 160180740Sdes device_printf(dev, "Unable to register interrupt handler\n"); 161180740Sdes error = ENXIO; 162180740Sdes goto bad; 163180740Sdes } 164180740Sdes 165180740Sdes return (error); 166180740Sdes 167180744Sdes bad: 168180744Sdes dpt_release_resources(dev); 169180744Sdes 170180740Sdes dpt_free(dpt); 171180740Sdes 172180740Sdes return (error); 173180746Sdes} 174180746Sdes 175180746Sdesstatic const char * 176180740Sdesdpt_eisa_match(type) 177180740Sdes eisa_id_t type; 178180740Sdes{ 179180740Sdes switch (type) { 180180740Sdes case DPT_EISA_DPT2402: 181180740Sdes case DPT_EISA_DPTA401: 182180740Sdes case DPT_EISA_DPTA402: 183180740Sdes case DPT_EISA_DPTA410: 184180740Sdes case DPT_EISA_DPTA411: 185180740Sdes case DPT_EISA_DPTA412: 186180740Sdes case DPT_EISA_DPTA420: 187180740Sdes case DPT_EISA_DPTA501: 188180740Sdes case DPT_EISA_DPTA502: 189180740Sdes case DPT_EISA_DPTA701: 190180740Sdes case DPT_EISA_DPTBC01: 191180740Sdes case DPT_EISA_DPT8200: 192180740Sdes case DPT_EISA_DPT2408: 193180740Sdes return ("DPT SCSI Host Bus Adapter"); 194180740Sdes break; 195180740Sdes default: 196180740Sdes break; 197180740Sdes } 198180740Sdes 199180740Sdes return (NULL); 200180740Sdes} 201180740Sdes 202180740Sdesstatic device_method_t dpt_eisa_methods[] = { 203180740Sdes /* Device interface */ 204180740Sdes DEVMETHOD(device_probe, dpt_eisa_probe), 205180740Sdes DEVMETHOD(device_attach, dpt_eisa_attach), 206180740Sdes DEVMETHOD(device_detach, dpt_detach), 207180740Sdes 208180740Sdes { 0, 0 } 209180740Sdes}; 210180740Sdes 211180740Sdesstatic driver_t dpt_eisa_driver = { 212180740Sdes "dpt", 213180740Sdes dpt_eisa_methods, 214180740Sdes sizeof(dpt_softc_t), 215180740Sdes}; 216180740Sdes 217180740SdesDRIVER_MODULE(dpt, eisa, dpt_eisa_driver, dpt_devclass, 0, 0); 218180740SdesMODULE_DEPEND(dpt, eisa, 1, 1, 1); 219180740SdesMODULE_DEPEND(dpt, cam, 1, 1, 1); 220180740Sdes