580 lines
15 KiB
C
580 lines
15 KiB
C
/*-
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* Copyright (c) 1998 - 2004 Søren Schmidt <sos@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_ata.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/malloc.h>
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#include <sys/sema.h>
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#include <sys/taskqueue.h>
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#include <vm/uma.h>
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#include <machine/stdarg.h>
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#include <machine/resource.h>
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#include <machine/bus.h>
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#ifdef __alpha__
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#include <machine/md_var.h>
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#endif
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#include <sys/rman.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/ata/ata-all.h>
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#include <dev/ata/ata-pci.h>
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/* local vars */
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static MALLOC_DEFINE(M_ATAPCI, "ATA PCI", "ATA driver PCI");
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/* misc defines */
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#define IOMASK 0xfffffffc
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/* prototypes */
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static int ata_pci_allocate(device_t, struct ata_channel *);
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static void ata_pci_dmainit(struct ata_channel *);
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static void ata_pci_locknoop(struct ata_channel *, int);
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int
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ata_legacy(device_t dev)
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{
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return ((pci_read_config(dev, PCIR_PROGIF, 1)&PCIP_STORAGE_IDE_MASTERDEV) &&
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((pci_read_config(dev, PCIR_PROGIF, 1) &
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(PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC)) !=
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(PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC)));
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}
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static int
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ata_pci_probe(device_t dev)
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{
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if (pci_get_class(dev) != PCIC_STORAGE)
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return ENXIO;
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switch (pci_get_vendor(dev)) {
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case ATA_ACARD_ID:
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if (!ata_acard_ident(dev))
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return 0;
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break;
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case ATA_ACER_LABS_ID:
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if (!ata_ali_ident(dev))
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return 0;
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break;
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case ATA_AMD_ID:
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if (!ata_amd_ident(dev))
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return 0;
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break;
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case ATA_CYRIX_ID:
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if (!ata_cyrix_ident(dev))
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return 0;
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break;
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case ATA_CYPRESS_ID:
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if (!ata_cypress_ident(dev))
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return 0;
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break;
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case ATA_HIGHPOINT_ID:
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if (!ata_highpoint_ident(dev))
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return 0;
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break;
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case ATA_INTEL_ID:
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if (!ata_intel_ident(dev))
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return 0;
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break;
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case ATA_NATIONAL_ID:
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if (!ata_national_ident(dev))
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return 0;
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break;
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case ATA_NVIDIA_ID:
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if (!ata_nvidia_ident(dev))
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return 0;
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break;
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case ATA_PROMISE_ID:
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if (!ata_promise_ident(dev))
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return 0;
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break;
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case ATA_SERVERWORKS_ID:
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if (!ata_serverworks_ident(dev))
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return 0;
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break;
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case ATA_SILICON_IMAGE_ID:
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if (!ata_sii_ident(dev))
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return 0;
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break;
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case ATA_SIS_ID:
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if (!ata_sis_ident(dev))
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return 0;
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break;
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case ATA_VIA_ID:
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if (!ata_via_ident(dev))
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return 0;
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break;
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case 0x16ca:
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if (pci_get_devid(dev) == 0x000116ca) {
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ata_generic_ident(dev);
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device_set_desc(dev, "Cenatek Rocket Drive controller");
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return 0;
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}
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break;
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case 0x1042:
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if (pci_get_devid(dev)==0x10001042 || pci_get_devid(dev)==0x10011042) {
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ata_generic_ident(dev);
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device_set_desc(dev,
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"RZ 100? ATA controller !WARNING! buggy HW data loss possible");
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return 0;
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}
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break;
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}
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/* unknown chipset, try generic DMA if it seems possible */
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if ((pci_get_class(dev) == PCIC_STORAGE) &&
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(pci_get_subclass(dev) == PCIS_STORAGE_IDE))
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return ata_generic_ident(dev);
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return ENXIO;
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}
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static int
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ata_pci_attach(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(dev);
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u_int32_t cmd;
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int unit;
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/* do chipset specific setups only needed once */
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if (ata_legacy(dev) || pci_read_config(dev, PCIR_BAR(2), 4) & IOMASK)
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ctlr->channels = 2;
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else
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ctlr->channels = 1;
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ctlr->allocate = ata_pci_allocate;
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ctlr->dmainit = ata_pci_dmainit;
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ctlr->locking = ata_pci_locknoop;
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/* if needed try to enable busmastering */
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cmd = pci_read_config(dev, PCIR_COMMAND, 2);
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if (!(cmd & PCIM_CMD_BUSMASTEREN)) {
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pci_write_config(dev, PCIR_COMMAND, cmd | PCIM_CMD_BUSMASTEREN, 2);
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cmd = pci_read_config(dev, PCIR_COMMAND, 2);
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}
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/* if busmastering mode "stuck" use it */
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if ((cmd & PCIM_CMD_BUSMASTEREN) == PCIM_CMD_BUSMASTEREN) {
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ctlr->r_type1 = SYS_RES_IOPORT;
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ctlr->r_rid1 = ATA_BMADDR_RID;
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ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1, &ctlr->r_rid1,
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RF_ACTIVE);
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}
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ctlr->chipinit(dev);
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/* attach all channels on this controller */
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for (unit = 0; unit < ctlr->channels; unit++) {
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if (unit == 0 && (pci_get_progif(dev) & 0x81) == 0x80) {
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device_add_child(dev, "ata", unit);
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continue;
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}
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if (unit == 1 && (pci_get_progif(dev) & 0x84) == 0x80) {
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device_add_child(dev, "ata", unit);
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continue;
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}
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device_add_child(dev, "ata", devclass_find_free_unit(ata_devclass, 2));
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}
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return bus_generic_attach(dev);
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}
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static int
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ata_pci_detach(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(dev);
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struct ata_channel *ch;
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int unit;
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/* mark HW as gone, we dont want to issue commands to HW no longer there */
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for (unit = 0; unit < ctlr->channels; unit++) {
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if ((ch = ctlr->interrupt[unit].argument))
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ch->flags |= ATA_HWGONE;
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}
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bus_generic_detach(dev);
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if (ctlr->r_irq) {
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bus_teardown_intr(dev, ctlr->r_irq, ctlr->handle);
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bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ctlr->r_irq);
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}
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if (ctlr->r_res2)
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bus_release_resource(dev, ctlr->r_type2, ctlr->r_rid2, ctlr->r_res2);
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if (ctlr->r_res1)
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bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1, ctlr->r_res1);
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return 0;
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}
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static int
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ata_pci_print_child(device_t dev, device_t child)
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{
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struct ata_channel *ch = device_get_softc(child);
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int retval = 0;
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retval += bus_print_child_header(dev, child);
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retval += printf(": channel #%d", ch->unit);
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retval += bus_print_child_footer(dev, child);
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return retval;
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}
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static struct resource *
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ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid,
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u_long start, u_long end, u_long count, u_int flags)
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{
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struct ata_pci_controller *controller = device_get_softc(dev);
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int unit = ((struct ata_channel *)device_get_softc(child))->unit;
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struct resource *res = NULL;
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int myrid;
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if (type == SYS_RES_IOPORT) {
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switch (*rid) {
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case ATA_IOADDR_RID:
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if (ata_legacy(dev)) {
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start = (unit ? ATA_SECONDARY : ATA_PRIMARY);
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count = ATA_IOSIZE;
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end = start + count - 1;
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}
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myrid = PCIR_BAR(0) + (unit << 3);
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res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
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SYS_RES_IOPORT, &myrid,
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start, end, count, flags);
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break;
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case ATA_ALTADDR_RID:
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if (ata_legacy(dev)) {
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start = (unit ? ATA_SECONDARY : ATA_PRIMARY) + ATA_ALTOFFSET;
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count = ATA_ALTIOSIZE;
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end = start + count - 1;
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}
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myrid = PCIR_BAR(1) + (unit << 3);
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res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
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SYS_RES_IOPORT, &myrid,
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start, end, count, flags);
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break;
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}
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return res;
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}
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if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) {
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if (ata_legacy(dev)) {
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#ifdef __alpha__
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return alpha_platform_alloc_ide_intr(unit);
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#else
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int irq = (unit == 0 ? 14 : 15);
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return BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
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SYS_RES_IRQ, rid, irq, irq, 1, flags);
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#endif
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}
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else {
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return controller->r_irq;
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}
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}
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return 0;
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}
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static int
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ata_pci_release_resource(device_t dev, device_t child, int type, int rid,
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struct resource *r)
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{
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int unit = ((struct ata_channel *)device_get_softc(child))->unit;
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if (type == SYS_RES_IOPORT) {
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switch (rid) {
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case ATA_IOADDR_RID:
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return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
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SYS_RES_IOPORT,
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PCIR_BAR(0) + (unit << 3), r);
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break;
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case ATA_ALTADDR_RID:
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return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
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SYS_RES_IOPORT,
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PCIR_BAR(1) + (unit << 3), r);
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break;
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default:
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return ENOENT;
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}
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}
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if (type == SYS_RES_IRQ) {
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if (rid != ATA_IRQ_RID)
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return ENOENT;
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if (ata_legacy(dev)) {
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#ifdef __alpha__
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return alpha_platform_release_ide_intr(unit, r);
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#else
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return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
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SYS_RES_IRQ, rid, r);
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#endif
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}
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else
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return 0;
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}
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return EINVAL;
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}
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static int
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ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq,
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int flags, driver_intr_t *function, void *argument,
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void **cookiep)
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{
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if (ata_legacy(dev)) {
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#ifdef __alpha__
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return alpha_platform_setup_ide_intr(child, irq, function, argument,
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cookiep);
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#else
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return BUS_SETUP_INTR(device_get_parent(dev), child, irq,
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flags, function, argument, cookiep);
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#endif
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}
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else {
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struct ata_pci_controller *controller = device_get_softc(dev);
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int unit = ((struct ata_channel *)device_get_softc(child))->unit;
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controller->interrupt[unit].function = function;
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controller->interrupt[unit].argument = argument;
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*cookiep = controller;
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return 0;
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}
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}
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static int
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ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq,
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void *cookie)
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{
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if (ata_legacy(dev)) {
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#ifdef __alpha__
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return alpha_platform_teardown_ide_intr(child, irq, cookie);
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#else
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return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie);
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#endif
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}
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else {
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struct ata_pci_controller *controller = device_get_softc(dev);
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int unit = ((struct ata_channel *)device_get_softc(child))->unit;
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controller->interrupt[unit].function = NULL;
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controller->interrupt[unit].argument = NULL;
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return 0;
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}
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}
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static int
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ata_pci_allocate(device_t dev, struct ata_channel *ch)
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{
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struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
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struct resource *io = NULL, *altio = NULL;
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int i, rid;
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rid = ATA_IOADDR_RID;
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io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
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0, ~0, ATA_IOSIZE, RF_ACTIVE);
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if (!io)
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return ENXIO;
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rid = ATA_ALTADDR_RID;
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altio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
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0, ~0, ATA_ALTIOSIZE, RF_ACTIVE);
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if (!altio) {
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bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
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return ENXIO;
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}
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for (i = ATA_DATA; i <= ATA_STATUS; i ++) {
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ch->r_io[i].res = io;
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ch->r_io[i].offset = i;
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}
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ch->r_io[ATA_ALTSTAT].res = altio;
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ch->r_io[ATA_ALTSTAT].offset = ata_legacy(device_get_parent(dev)) ? 0 : 2;
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ch->r_io[ATA_IDX_ADDR].res = io;
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if (ctlr->r_res1) {
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for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) {
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ch->r_io[i].res = ctlr->r_res1;
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ch->r_io[i].offset = (i - ATA_BMCMD_PORT)+(ch->unit * ATA_BMIOSIZE);
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}
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}
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ata_generic_hw(ch);
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return 0;
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}
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static int
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ata_pci_dmastart(struct ata_channel *ch)
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{
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ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, (ATA_IDX_INB(ch, ATA_BMSTAT_PORT) |
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(ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR)));
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ATA_IDX_OUTL(ch, ATA_BMDTP_PORT, ch->dma->mdmatab);
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ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
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(ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_WRITE_READ) |
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((ch->dma->flags & ATA_DMA_READ) ? ATA_BMCMD_WRITE_READ : 0) |
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ATA_BMCMD_START_STOP);
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ch->dma->flags |= ATA_DMA_ACTIVE;
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return 0;
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}
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static int
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ata_pci_dmastop(struct ata_channel *ch)
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{
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int error;
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error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
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ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
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ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
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ch->dma->flags &= ~ATA_DMA_ACTIVE;
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ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
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return error;
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}
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static void
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ata_pci_dmainit(struct ata_channel *ch)
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{
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ata_dmainit(ch);
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if (ch->dma) {
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ch->dma->start = ata_pci_dmastart;
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ch->dma->stop = ata_pci_dmastop;
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}
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}
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static void
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ata_pci_locknoop(struct ata_channel *ch, int flags)
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{
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}
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static device_method_t ata_pci_methods[] = {
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/* device interface */
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DEVMETHOD(device_probe, ata_pci_probe),
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DEVMETHOD(device_attach, ata_pci_attach),
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DEVMETHOD(device_detach, ata_pci_detach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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/* bus methods */
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DEVMETHOD(bus_print_child, ata_pci_print_child),
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DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource),
|
|
DEVMETHOD(bus_release_resource, ata_pci_release_resource),
|
|
DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
|
|
DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
|
|
DEVMETHOD(bus_setup_intr, ata_pci_setup_intr),
|
|
DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t ata_pci_driver = {
|
|
"atapci",
|
|
ata_pci_methods,
|
|
sizeof(struct ata_pci_controller),
|
|
};
|
|
|
|
static devclass_t ata_pci_devclass;
|
|
|
|
DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, 0, 0);
|
|
|
|
static int
|
|
ata_channel_probe(device_t dev)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
device_t *children;
|
|
int count, i;
|
|
|
|
/* take care of green memory */
|
|
bzero(ch, sizeof(struct ata_channel));
|
|
|
|
/* find channel number on this controller */
|
|
device_get_children(device_get_parent(dev), &children, &count);
|
|
for (i = 0; i < count; i++) {
|
|
if (children[i] == dev)
|
|
ch->unit = i;
|
|
}
|
|
free(children, M_TEMP);
|
|
|
|
return ata_probe(dev);
|
|
}
|
|
|
|
static int
|
|
ata_channel_attach(device_t dev)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
int error;
|
|
|
|
ch->device[MASTER].setmode = ctlr->setmode;
|
|
ch->device[SLAVE].setmode = ctlr->setmode;
|
|
ch->locking = ctlr->locking;
|
|
ch->reset = ctlr->reset;
|
|
|
|
ctlr->dmainit(ch);
|
|
if (ch->dma)
|
|
ch->dma->alloc(ch);
|
|
|
|
if ((error = ctlr->allocate(dev, ch)))
|
|
return error;
|
|
|
|
return ata_attach(dev);
|
|
}
|
|
|
|
static int
|
|
ata_channel_detach(device_t dev)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
int error;
|
|
|
|
if ((error = ata_detach(dev)))
|
|
return error;
|
|
|
|
if (ch->dma)
|
|
ch->dma->free(ch);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static device_method_t ata_channel_methods[] = {
|
|
/* device interface */
|
|
DEVMETHOD(device_probe, ata_channel_probe),
|
|
DEVMETHOD(device_attach, ata_channel_attach),
|
|
DEVMETHOD(device_detach, ata_channel_detach),
|
|
DEVMETHOD(device_suspend, ata_suspend),
|
|
DEVMETHOD(device_resume, ata_resume),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t ata_channel_driver = {
|
|
"ata",
|
|
ata_channel_methods,
|
|
sizeof(struct ata_channel),
|
|
};
|
|
|
|
DRIVER_MODULE(ata, atapci, ata_channel_driver, ata_devclass, 0, 0);
|