Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/sym/@/dev/aha/ |
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/amd64/compile/hs32/modules/usr/src/sys/modules/sym/@/dev/aha/aha_mca.c |
/*- * Copyright (c) 1999 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. * * Based on aha_isa.c */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/aha/aha_mca.c 183678 2008-10-07 23:55:32Z imp $"); #include <sys/types.h> #include <sys/param.h> #include <sys/kernel.h> #include <sys/lock.h> #include <sys/mutex.h> #include <sys/module.h> #include <sys/bus.h> #include <machine/bus.h> #include <machine/resource.h> #include <sys/rman.h> #include <isa/isavar.h> #include <dev/mca/mca_busreg.h> #include <dev/mca/mca_busvar.h> #include <dev/aha/ahareg.h> static struct mca_ident aha_mca_devs[] = { { 0x0f1f, "Adaptec AHA-1640 SCSI Adapter" }, { 0, NULL }, }; #define AHA_MCA_IOPORT_POS MCA_ADP_POS(MCA_POS1) # define AHA_MCA_IOPORT_MASK1 0x07 # define AHA_MCA_IOPORT_MASK2 0xc0 # define AHA_MCA_IOPORT_SIZE 0x03 # define AHA_MCA_IOPORT(pos) (0x30 + \ (((uint32_t)pos & \ AHA_MCA_IOPORT_MASK1) << 8) + \ (((uint32_t)pos & \ AHA_MCA_IOPORT_MASK2) >> 4)) #define AHA_MCA_DRQ_POS MCA_ADP_POS(MCA_POS3) # define AHA_MCA_DRQ_MASK 0x0f # define AHA_MCA_DRQ(pos) (pos & AHA_MCA_DRQ_MASK) #define AHA_MCA_IRQ_POS MCA_ADP_POS(MCA_POS2) # define AHA_MCA_IRQ_MASK 0x07 # define AHA_MCA_IRQ(pos) ((pos & AHA_MCA_IRQ_MASK) + 8) /* * Not needed as the board knows its config * internally and the ID will be fetched * via AOP_INQUIRE_SETUP_INFO command. */ #define AHA_MCA_SCSIID_POS MCA_ADP_POS(MCA_POS2) #define AHA_MCA_SCSIID_MASK 0xe0 #define AHA_MCA_SCSIID(pos) ((pos & AHA_MCA_SCSIID_MASK) >> 5) static int aha_mca_probe (device_t dev) { const char * desc; mca_id_t id = mca_get_id(dev); uint32_t iobase = 0; uint32_t iosize = 0; uint8_t drq = 0; uint8_t irq = 0; uint8_t pos; desc = mca_match_id(id, aha_mca_devs); if (!desc) return (ENXIO); device_set_desc(dev, desc); pos = mca_pos_read(dev, AHA_MCA_IOPORT_POS); iobase = AHA_MCA_IOPORT(pos); iosize = AHA_MCA_IOPORT_SIZE; pos = mca_pos_read(dev, AHA_MCA_DRQ_POS); drq = AHA_MCA_DRQ(pos); pos = mca_pos_read(dev, AHA_MCA_IRQ_POS); irq = AHA_MCA_IRQ(pos); mca_add_iospace(dev, iobase, iosize); mca_add_drq(dev, drq); mca_add_irq(dev, irq); return (0); } static int aha_mca_attach (device_t dev) { struct aha_softc * sc = device_get_softc(dev); int error = ENOMEM; int unit = device_get_unit(dev); void * ih; sc->portrid = 0; sc->port = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &sc->portrid, RF_ACTIVE); if (sc->port == NULL) { device_printf(dev, "No I/O space?!\n"); goto bad; } sc->irqrid = 0; sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqrid, RF_ACTIVE); if (sc->irq == NULL) { device_printf(dev, "No IRQ?!\n"); goto bad; } sc->drqrid = 0; sc->drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &sc->drqrid, RF_ACTIVE); if (sc->drq == NULL) { device_printf(dev, "No DRQ?!\n"); goto bad; } aha_alloc(sc, unit, rman_get_bustag(sc->port), rman_get_bushandle(sc->port)); error = aha_probe(sc); if (error) { device_printf(dev, "aha_probe() failed!\n"); goto bad; } error = aha_fetch_adapter_info(sc); if (error) { device_printf(dev, "aha_fetch_adapter_info() failed!\n"); goto bad; } isa_dmacascade(rman_get_start(sc->drq)); error = bus_dma_tag_create( /* parent */ bus_get_dma_tag(dev), /* alignemnt */ 1, /* boundary */ 0, /* lowaddr */ BUS_SPACE_MAXADDR_24BIT, /* highaddr */ BUS_SPACE_MAXADDR, /* filter */ NULL, /* filterarg */ NULL, /* maxsize */ BUS_SPACE_MAXSIZE_24BIT, /* nsegments */ ~0, /* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT, /* flags */ 0, /* lockfunc */ busdma_lock_mutex, /* lockarg */ &Giant, &sc->parent_dmat); if (error) { device_printf(dev, "bus_dma_tag_create() failed!\n"); goto bad; } error = aha_init(sc); if (error) { device_printf(dev, "aha_init() failed\n"); goto bad; } error = aha_attach(sc); if (error) { device_printf(dev, "aha_attach() failed\n"); goto bad; } error = bus_setup_intr(dev, sc->irq, INTR_TYPE_CAM | INTR_ENTROPY, NULL, aha_intr, sc, &ih); if (error) { device_printf(dev, "Unable to register interrupt handler\n"); goto bad; } return (0); bad: aha_free(sc); bus_free_resource(dev, SYS_RES_IOPORT, sc->port); bus_free_resource(dev, SYS_RES_IRQ, sc->irq); bus_free_resource(dev, SYS_RES_DRQ, sc->drq); return (error); } static device_method_t aha_mca_methods[] = { DEVMETHOD(device_probe, aha_mca_probe), DEVMETHOD(device_attach, aha_mca_attach), { 0, 0 } }; static driver_t aha_mca_driver = { "aha", aha_mca_methods, 1, /* sizeof(struct aha_softc *), */ }; static devclass_t aha_devclass; DRIVER_MODULE(aha, mca, aha_mca_driver, aha_devclass, 0, 0); MODULE_DEPEND(aha, mca, 1, 1, 1);