Current Path : /sys/dev/dpt/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/dpt/dpt_eisa.c |
/*- * Copyright (c) 1997, 2000 Matthew N. Dodd <winter@jurai.net> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/dpt/dpt_eisa.c 170872 2007-06-17 05:55:54Z scottl $"); #include "opt_eisa.h" #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/module.h> #include <sys/lock.h> #include <sys/mutex.h> #include <sys/bus.h> #include <machine/bus.h> #include <machine/resource.h> #include <sys/rman.h> #include <dev/eisa/eisaconf.h> #include <cam/scsi/scsi_all.h> #include <dev/dpt/dpt.h> #define DPT_EISA_IOSIZE 0x9 #define DPT_EISA_SLOT_OFFSET 0x0c00 #define DPT_EISA_EATA_REG_OFFSET 0x0088 #define DPT_EISA_DPT2402 0x12142402 /* DPT PM2012A/9X */ #define DPT_EISA_DPTA401 0x1214A401 /* DPT PM2012B/9X */ #define DPT_EISA_DPTA402 0x1214A402 /* DPT PM2012B2/9X */ #define DPT_EISA_DPTA410 0x1214A410 /* DPT PM2x22A/9X */ #define DPT_EISA_DPTA411 0x1214A411 /* DPT Spectre */ #define DPT_EISA_DPTA412 0x1214A412 /* DPT PM2021A/9X */ #define DPT_EISA_DPTA420 0x1214A420 /* DPT Smart Cache IV (PM2042) */ #define DPT_EISA_DPTA501 0x1214A501 /* DPT PM2012B1/9X" */ #define DPT_EISA_DPTA502 0x1214A502 /* DPT PM2012Bx/9X */ #define DPT_EISA_DPTA701 0x1214A701 /* DPT PM2011B1/9X */ #define DPT_EISA_DPTBC01 0x1214BC01 /* DPT PM3011/7X ESDI */ #define DPT_EISA_DPT8200 0x12148200 /* NEC EATA SCSI */ #define DPT_EISA_DPT2408 0x12142408 /* ATT EATA SCSI */ /* Function Prototypes */ static const char * dpt_eisa_match (eisa_id_t); static int dpt_eisa_probe (device_t); static int dpt_eisa_attach (device_t); static int dpt_eisa_probe (device_t dev) { const char * desc; u_int32_t io_base; dpt_conf_t * conf; desc = dpt_eisa_match(eisa_get_id(dev)); if (!desc) return (ENXIO); device_set_desc(dev, desc); io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE) + DPT_EISA_SLOT_OFFSET + DPT_EISA_EATA_REG_OFFSET; conf = dpt_pio_get_conf(io_base); if (!conf) { printf("dpt: dpt_pio_get_conf() failed.\n"); return (ENXIO); } eisa_add_iospace(dev, io_base, DPT_EISA_IOSIZE, RESVADDR_NONE); eisa_add_intr(dev, conf->IRQ, (conf->IRQ_TR ? EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE)); return 0; } static int dpt_eisa_attach (device_t dev) { dpt_softc_t * dpt; int s; int error = 0; dpt = device_get_softc(dev); dpt->dev = dev; dpt->io_rid = 0; dpt->io_type = SYS_RES_IOPORT; dpt->irq_rid = 0; error = dpt_alloc_resources(dev); if (error) { goto bad; } dpt_alloc(dev); /* Allocate a dmatag representing the capabilities of this attachment */ /* XXX Should be a child of the EISA bus dma tag */ if (bus_dma_tag_create( /* parent */ NULL, /* alignemnt */ 1, /* boundary */ 0, /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, /* highaddr */ BUS_SPACE_MAXADDR, /* filter */ NULL, /* filterarg */ NULL, /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, /* nsegments */ ~0, /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT, /* flags */ 0, /* lockfunc */ busdma_lock_mutex, /* lockarg */ &Giant, &dpt->parent_dmat) != 0) { error = ENXIO; goto bad; } s = splcam(); if (dpt_init(dpt) != 0) { splx(s); error = ENXIO; goto bad; } /* Register with the XPT */ dpt_attach(dpt); splx(s); if (bus_setup_intr(dev, dpt->irq_res, INTR_TYPE_CAM | INTR_ENTROPY, NULL, dpt_intr, dpt, &dpt->ih)) { device_printf(dev, "Unable to register interrupt handler\n"); error = ENXIO; goto bad; } return (error); bad: dpt_release_resources(dev); dpt_free(dpt); return (error); } static const char * dpt_eisa_match(type) eisa_id_t type; { switch (type) { case DPT_EISA_DPT2402: case DPT_EISA_DPTA401: case DPT_EISA_DPTA402: case DPT_EISA_DPTA410: case DPT_EISA_DPTA411: case DPT_EISA_DPTA412: case DPT_EISA_DPTA420: case DPT_EISA_DPTA501: case DPT_EISA_DPTA502: case DPT_EISA_DPTA701: case DPT_EISA_DPTBC01: case DPT_EISA_DPT8200: case DPT_EISA_DPT2408: return ("DPT SCSI Host Bus Adapter"); break; default: break; } return (NULL); } static device_method_t dpt_eisa_methods[] = { /* Device interface */ DEVMETHOD(device_probe, dpt_eisa_probe), DEVMETHOD(device_attach, dpt_eisa_attach), DEVMETHOD(device_detach, dpt_detach), { 0, 0 } }; static driver_t dpt_eisa_driver = { "dpt", dpt_eisa_methods, sizeof(dpt_softc_t), }; DRIVER_MODULE(dpt, eisa, dpt_eisa_driver, dpt_devclass, 0, 0); MODULE_DEPEND(dpt, eisa, 1, 1, 1); MODULE_DEPEND(dpt, cam, 1, 1, 1);