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ata-all.c
(37.58 KB)
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ata-all.h
(24.79 KB)
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ata-dma.c
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ata-isa.c
(6.08 KB)
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ata-lowlevel.c
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ata-pci.c
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ata-pci.h
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ata-sata.c
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ata_if.m
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chipsets
Editing: ata-isa.c
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org> * 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, * without modification, immediately at the beginning of the file. * 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 ``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 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("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> #include <sys/ata.h> #include <sys/kernel.h> #include <sys/module.h> #include <sys/bus.h> #include <sys/malloc.h> #include <sys/sema.h> #include <sys/taskqueue.h> #include <vm/uma.h> #include <machine/stdarg.h> #include <machine/resource.h> #include <machine/bus.h> #include <sys/rman.h> #include <isa/isavar.h> #include <dev/ata/ata-all.h> #include <ata_if.h> /* local vars */ static struct isa_pnp_id ata_ids[] = { {0x0006d041, "Generic ESDI/IDE/ATA controller"}, /* PNP0600 */ {0x0106d041, "Plus Hardcard II"}, /* PNP0601 */ {0x0206d041, "Plus Hardcard IIXL/EZ"}, /* PNP0602 */ {0x0306d041, "Generic ATA"}, /* PNP0603 */ /* PNP0680 */ {0x8006d041, "Standard bus mastering IDE hard disk controller"}, {0} }; static int ata_isa_probe(device_t dev) { struct resource *io = NULL, *ctlio = NULL; rman_res_t tmp; int rid; /* check isapnp ids */ if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO) return ENXIO; /* allocate the io port range */ rid = ATA_IOADDR_RID; if (!(io = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid, ATA_IOSIZE, RF_ACTIVE))) return ENXIO; /* set the altport range */ if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) { bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE); } /* allocate the altport range */ rid = ATA_CTLADDR_RID; if (!(ctlio = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid, ATA_CTLIOSIZE, RF_ACTIVE))) { bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); return ENXIO; } /* Release resources to reallocate on attach. */ bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, ctlio); bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); device_set_desc(dev, "ATA channel"); return (ata_probe(dev)); } static int ata_isa_attach(device_t dev) { struct ata_channel *ch = device_get_softc(dev); struct resource *io = NULL, *ctlio = NULL; rman_res_t tmp; int i, rid; if (ch->attached) return (0); ch->attached = 1; /* allocate the io port range */ rid = ATA_IOADDR_RID; if (!(io = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid, ATA_IOSIZE, RF_ACTIVE))) return ENXIO; /* set the altport range */ if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) { bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE); } /* allocate the altport range */ rid = ATA_CTLADDR_RID; if (!(ctlio = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid, ATA_CTLIOSIZE, RF_ACTIVE))) { bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); return ENXIO; } /* setup the resource vectors */ for (i = ATA_DATA; i <= ATA_COMMAND; i++) { ch->r_io[i].res = io; ch->r_io[i].offset = i; } ch->r_io[ATA_CONTROL].res = ctlio; ch->r_io[ATA_CONTROL].offset = 0; ch->r_io[ATA_IDX_ADDR].res = io; ata_default_registers(dev); /* initialize softc for this channel */ ch->unit = 0; ch->flags |= ATA_USE_16BIT; ata_generic_hw(dev); return ata_attach(dev); } static int ata_isa_detach(device_t dev) { struct ata_channel *ch = device_get_softc(dev); int error; if (!ch->attached) return (0); ch->attached = 0; error = ata_detach(dev); bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, ch->r_io[ATA_CONTROL].res); bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, ch->r_io[ATA_IDX_ADDR].res); return (error); } static int ata_isa_suspend(device_t dev) { struct ata_channel *ch = device_get_softc(dev); if (!ch->attached) return (0); return ata_suspend(dev); } static int ata_isa_resume(device_t dev) { struct ata_channel *ch = device_get_softc(dev); if (!ch->attached) return (0); return ata_resume(dev); } static device_method_t ata_isa_methods[] = { /* device interface */ DEVMETHOD(device_probe, ata_isa_probe), DEVMETHOD(device_attach, ata_isa_attach), DEVMETHOD(device_detach, ata_isa_detach), DEVMETHOD(device_suspend, ata_isa_suspend), DEVMETHOD(device_resume, ata_isa_resume), DEVMETHOD_END }; static driver_t ata_isa_driver = { "ata", ata_isa_methods, sizeof(struct ata_channel), }; DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, NULL, NULL); MODULE_DEPEND(ata, ata, 1, 1, 1); ISA_PNP_INFO(ata_ids);
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