mirror of
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f21d113aa0
implicit auto-scanning up present in device_add_child(). Functionally it is fully equivalent to old code.
742 lines
20 KiB
C
742 lines
20 KiB
C
/*-
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* Copyright (c) 1998,1999,2000,2001 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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* $FreeBSD$
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*/
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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/disk.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/bio.h>
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#include <sys/malloc.h>
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#include <sys/devicestat.h>
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#include <sys/sysctl.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 <pci/pcivar.h>
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#include <pci/pcireg.h>
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#include <dev/ata/ata-all.h>
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/* device structures */
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struct ata_pci_softc {
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struct resource *bmio;
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int bmaddr;
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struct resource *irq;
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int irqcnt;
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};
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/* prototypes */
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void ata_via686b(device_t);
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/* misc defines */
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#define IOMASK 0xfffffffc
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#define ATA_MASTERDEV(dev) ((pci_get_progif(dev) & 0x80) && \
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(pci_get_progif(dev) & 0x05) != 0x05)
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int
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ata_find_dev(device_t dev, u_int32_t devid, u_int32_t revid)
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{
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device_t *children, child;
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int nchildren, i;
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if (device_get_children(device_get_parent(dev), &children, &nchildren))
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return 0;
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for (i = 0; i < nchildren; i++) {
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child = children[i];
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/* check that it's on the same silicon and the device we want */
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if (pci_get_slot(dev) == pci_get_slot(child) &&
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pci_get_devid(child) == devid && pci_get_revid(child) >= revid) {
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free(children, M_TEMP);
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return 1;
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}
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}
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free(children, M_TEMP);
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return 0;
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}
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void
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ata_via686b(device_t dev)
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{
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device_t *children, child;
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int nchildren, i;
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if (device_get_children(device_get_parent(dev), &children, &nchildren))
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return;
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for (i = 0; i < nchildren; i++) {
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child = children[i];
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if (pci_get_devid(child) == 0x03051106 || /* VIA KT133 */
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pci_get_devid(child) == 0x03911106) { /* VIA KX133 */
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pci_write_config(child, 0x75, 0x83, 1);
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pci_write_config(child, 0x76,
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(pci_read_config(child, 0x76, 1) & 0xdf) | 0xd0,1);
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device_printf(dev, "VIA '686b southbridge fix applied\n");
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break;
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}
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}
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free(children, M_TEMP);
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}
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static const char *
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ata_pci_match(device_t dev)
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{
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if (pci_get_class(dev) != PCIC_STORAGE)
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return NULL;
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switch (pci_get_devid(dev)) {
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/* supported chipsets */
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case 0x12308086:
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return "Intel PIIX ATA controller";
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case 0x70108086:
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return "Intel PIIX3 ATA controller";
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case 0x71118086:
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case 0x71998086:
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case 0x84ca8086:
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return "Intel PIIX4 ATA33 controller";
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case 0x24218086:
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return "Intel ICH0 ATA33 controller";
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case 0x24118086:
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case 0x76018086:
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return "Intel ICH ATA66 controller";
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case 0x244a8086:
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case 0x244b8086:
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return "Intel ICH2 ATA100 controller";
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case 0x248a8086:
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case 0x248b8086:
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return "Intel ICH3 ATA100 controller";
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case 0x522910b9:
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if (pci_get_revid(dev) < 0x20)
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return "AcerLabs Aladdin ATA controller";
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else
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return "AcerLabs Aladdin ATA33 controller";
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case 0x05711106:
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if (ata_find_dev(dev, 0x05861106, 0x02))
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return "VIA 82C586 ATA33 controller";
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if (ata_find_dev(dev, 0x05861106, 0))
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return "VIA 82C586 ATA controller";
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if (ata_find_dev(dev, 0x05961106, 0x12))
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return "VIA 82C596 ATA66 controller";
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if (ata_find_dev(dev, 0x05961106, 0))
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return "VIA 82C596 ATA33 controller";
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if (ata_find_dev(dev, 0x06861106, 0x40) ||
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ata_find_dev(dev, 0x30741106, 0))
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return "VIA 82C686 ATA100 controller";
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if (ata_find_dev(dev, 0x06861106, 0))
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return "VIA 82C686 ATA66 controller";
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return "VIA Apollo ATA controller";
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case 0x55131039:
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return "SiS 5591 ATA33 controller";
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case 0x06491095:
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return "CMD 649 ATA100 controller";
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case 0x06481095:
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return "CMD 648 ATA66 controller";
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case 0x06461095:
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return "CMD 646 ATA controller";
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case 0xc6931080:
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if (pci_get_subclass(dev) == PCIS_STORAGE_IDE)
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return "Cypress 82C693 ATA controller";
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break;
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case 0x01021078:
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return "Cyrix 5530 ATA33 controller";
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case 0x74091022:
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return "AMD 756 ATA66 controller";
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case 0x74111022:
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return "AMD 766 ATA100 controller";
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case 0x02111166:
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return "ServerWorks ROSB4 ATA33 controller";
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case 0x4d33105a:
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return "Promise ATA33 controller";
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case 0x4d38105a:
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return "Promise ATA66 controller";
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case 0x0d30105a:
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case 0x4d30105a:
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return "Promise ATA100 controller";
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case 0x4d68105a:
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case 0x6268105a:
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return "Promise TX2 ATA100 controller";
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case 0x4d69105a:
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return "Promise ATA133 controller";
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case 0x00041103:
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switch (pci_get_revid(dev)) {
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case 0x00:
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case 0x01:
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return "HighPoint HPT366 ATA66 controller";
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case 0x02:
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return "HighPoint HPT368 ATA66 controller";
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case 0x03:
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case 0x04:
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return "HighPoint HPT370 ATA100 controller";
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case 0x05:
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return "HighPoint HPT372 ATA133 controller";
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default:
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return "Unknown revision HighPoint ATA controller";
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}
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/* unsupported but known chipsets, generic DMA only */
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case 0x10001042:
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case 0x10011042:
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return "RZ 100? ATA controller !WARNING! buggy chip data loss possible";
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case 0x06401095:
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return "CMD 640 ATA controller !WARNING! buggy chip data loss possible";
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/* unknown chipsets, try generic DMA if it seems possible */
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default:
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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 "Generic PCI ATA controller";
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}
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return NULL;
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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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const char *desc = ata_pci_match(dev);
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if (desc) {
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device_set_desc(dev, desc);
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return 0;
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}
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else
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return ENXIO;
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}
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static int
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ata_pci_add_child(device_t dev, int unit)
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{
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device_t child;
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/* check if this is located at one of the std addresses */
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if (ATA_MASTERDEV(dev)) {
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if (!(child = device_add_child(dev, "ata", unit)))
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return ENOMEM;
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}
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else {
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if (!(child = device_add_child(dev, "ata",
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devclass_find_free_unit(devclass_find("ata"), 2))))
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return ENOMEM;
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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_attach(device_t dev)
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{
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struct ata_pci_softc *sc = device_get_softc(dev);
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u_int8_t class, subclass;
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u_int32_t type, cmd;
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int rid;
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/* set up vendor-specific stuff */
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type = pci_get_devid(dev);
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class = pci_get_class(dev);
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subclass = pci_get_subclass(dev);
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cmd = pci_read_config(dev, PCIR_COMMAND, 4);
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if (!(cmd & PCIM_CMD_PORTEN)) {
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device_printf(dev, "ATA channel disabled by BIOS\n");
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return 0;
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}
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/* is busmastering supported ? */
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if ((cmd & (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) ==
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(PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) {
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/* is there a valid port range to connect to ? */
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rid = 0x20;
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sc->bmio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
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0, ~0, 1, RF_ACTIVE);
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if (!sc->bmio)
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device_printf(dev, "Busmastering DMA not configured\n");
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}
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else
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device_printf(dev, "Busmastering DMA not supported\n");
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/* do extra chipset specific setups */
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switch (type) {
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case 0x522910b9: /* Aladdin need to activate the ATAPI FIFO */
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pci_write_config(dev, 0x53,
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(pci_read_config(dev, 0x53, 1) & ~0x01) | 0x02, 1);
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break;
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case 0x4d38105a: /* Promise 66 & 100 (before TX2) need the clock changed */
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case 0x4d30105a:
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case 0x0d30105a:
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ATA_OUTB(sc->bmio, 0x11, ATA_INB(sc->bmio, 0x11) | 0x0a);
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/* FALLTHROUGH */
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case 0x4d33105a: /* Promise (before TX2) need burst mode turned on */
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ATA_OUTB(sc->bmio, 0x1f, ATA_INB(sc->bmio, 0x1f) | 0x01);
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break;
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case 0x00041103: /* HighPoint */
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switch (pci_get_revid(dev)) {
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case 0x00: /* HPT 366 */
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case 0x01:
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/* turn off interrupt prediction */
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pci_write_config(dev, 0x51,
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(pci_read_config(dev, 0x51, 1) & ~0x80), 1);
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break;
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case 0x02: /* HPT 368 */
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case 0x03: /* HPT 370 */
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case 0x04:
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case 0x05: /* HPT 372 */
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/* turn off interrupt prediction */
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pci_write_config(dev, 0x51,
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(pci_read_config(dev, 0x51, 1) & ~0x02), 1);
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pci_write_config(dev, 0x55,
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(pci_read_config(dev, 0x55, 1) & ~0x02), 1);
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/* turn on interrupts */
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pci_write_config(dev, 0x5a,
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(pci_read_config(dev, 0x5a, 1) & ~0x10), 1);
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}
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break;
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case 0x05711106: /* VIA 82C586, '596, '686 default setup */
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/* prepare for ATA-66 on the 82C686a and rev 0x12 and newer 82C596's */
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if ((ata_find_dev(dev, 0x06861106, 0) &&
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!ata_find_dev(dev, 0x06861106, 0x40)) ||
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ata_find_dev(dev, 0x05961106, 0x12))
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pci_write_config(dev, 0x50, 0x030b030b, 4);
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/* the '686b might need the data corruption fix */
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if (ata_find_dev(dev, 0x06861106, 0x40))
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ata_via686b(dev);
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/* FALLTHROUGH */
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case 0x74091022: /* AMD 756 default setup */
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case 0x74111022: /* AMD 766 default setup */
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/* set prefetch, postwrite */
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pci_write_config(dev, 0x41, pci_read_config(dev, 0x41, 1) | 0xf0, 1);
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/* set fifo configuration half'n'half */
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pci_write_config(dev, 0x43,
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(pci_read_config(dev, 0x43, 1) & 0x90) | 0x2a, 1);
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/* set status register read retry */
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pci_write_config(dev, 0x44, pci_read_config(dev, 0x44, 1) | 0x08, 1);
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/* set DMA read & end-of-sector fifo flush */
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pci_write_config(dev, 0x46,
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(pci_read_config(dev, 0x46, 1) & 0x0c) | 0xf0, 1);
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/* set sector size */
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pci_write_config(dev, 0x60, DEV_BSIZE, 2);
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pci_write_config(dev, 0x68, DEV_BSIZE, 2);
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break;
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case 0x10001042: /* RZ 100? known bad, no DMA */
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case 0x10011042:
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case 0x06401095: /* CMD 640 known bad, no DMA */
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sc->bmio = NULL;
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device_printf(dev, "Busmastering DMA disabled\n");
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}
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if (sc->bmio) {
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sc->bmaddr = rman_get_start(sc->bmio);
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BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
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SYS_RES_IOPORT, rid, sc->bmio);
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sc->bmio = NULL;
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}
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/*
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* the Cypress chip is a mess, it contains two ATA functions, but
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* both channels are visible on the first one.
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* simply ignore the second function for now, as the right
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* solution (ignoring the second channel on the first function)
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* doesn't work with the crappy ATA interrupt setup on the alpha.
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*/
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if (pci_get_devid(dev) == 0xc6931080 && pci_get_function(dev) > 1)
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return 0;
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ata_pci_add_child(dev, 0);
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if (ATA_MASTERDEV(dev) || pci_read_config(dev, 0x18, 4) & IOMASK)
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ata_pci_add_child(dev, 1);
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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_intr(struct ata_softc *scp)
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{
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u_int8_t dmastat;
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|
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/*
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* since we might share the IRQ with another device, and in some
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* cases with our twin channel, we only want to process interrupts
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* that we know this channel generated.
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*/
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switch (scp->chiptype) {
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case 0x00041103: /* HighPoint HPT366/368/370/372 */
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if (((dmastat = ata_dmastatus(scp)) &
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(ATA_BMSTAT_ACTIVE | ATA_BMSTAT_INTERRUPT)) != ATA_BMSTAT_INTERRUPT)
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return 1;
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ATA_OUTB(scp->r_bmio, ATA_BMSTAT_PORT, dmastat | ATA_BMSTAT_INTERRUPT);
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DELAY(1);
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return 0;
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case 0x06481095: /* CMD 648 */
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case 0x06491095: /* CMD 649 */
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if (!(pci_read_config(device_get_parent(scp->dev), 0x71, 1) &
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(scp->channel ? 0x08 : 0x04)))
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return 1;
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break;
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|
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case 0x4d33105a: /* Promise Ultra/Fasttrak 33 */
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case 0x4d38105a: /* Promise Ultra/Fasttrak 66 */
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|
case 0x4d30105a: /* Promise Ultra/Fasttrak 100 */
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case 0x0d30105a: /* Promise OEM ATA100 */
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if (!(ATA_INL(scp->r_bmio, (scp->channel ? 0x14 : 0x1c)) &
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(scp->channel ? 0x00004000 : 0x00000400)))
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return 1;
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break;
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|
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case 0x4d68105a: /* Promise TX2 ATA100 */
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case 0x6268105a: /* Promise TX2v2 ATA100 */
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case 0x4d69105a: /* Promise ATA133 */
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ATA_OUTB(scp->r_bmio, ATA_BMDEVSPEC_0, 0x0b);
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if (!(ATA_INB(scp->r_bmio, ATA_BMDEVSPEC_1) & 0x20))
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return 1;
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break;
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}
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|
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if (scp->flags & ATA_DMA_ACTIVE) {
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if (!((dmastat = ata_dmastatus(scp)) & ATA_BMSTAT_INTERRUPT))
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return 1;
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ATA_OUTB(scp->r_bmio, ATA_BMSTAT_PORT, dmastat | ATA_BMSTAT_INTERRUPT);
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DELAY(1);
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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_print_child(device_t dev, device_t child)
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{
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struct ata_softc *scp = device_get_softc(child);
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int retval = 0;
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retval += bus_print_child_header(dev, child);
|
|
retval += printf(": at 0x%lx", rman_get_start(scp->r_io));
|
|
|
|
if (ATA_MASTERDEV(dev))
|
|
retval += printf(" irq %d", 14 + scp->channel);
|
|
|
|
retval += bus_print_child_footer(dev, child);
|
|
|
|
return retval;
|
|
}
|
|
|
|
static struct resource *
|
|
ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid,
|
|
u_long start, u_long end, u_long count, u_int flags)
|
|
{
|
|
struct ata_pci_softc *sc = device_get_softc(dev);
|
|
struct resource *res = NULL;
|
|
int channel = ((struct ata_softc *)device_get_softc(child))->channel;
|
|
int myrid;
|
|
|
|
if (type == SYS_RES_IOPORT) {
|
|
switch (*rid) {
|
|
case ATA_IOADDR_RID:
|
|
if (ATA_MASTERDEV(dev)) {
|
|
myrid = 0;
|
|
start = (channel ? ATA_SECONDARY : ATA_PRIMARY);
|
|
end = start + ATA_IOSIZE - 1;
|
|
count = ATA_IOSIZE;
|
|
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
|
|
SYS_RES_IOPORT, &myrid,
|
|
start, end, count, flags);
|
|
}
|
|
else {
|
|
myrid = 0x10 + 8 * channel;
|
|
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IOPORT, &myrid,
|
|
start, end, count, flags);
|
|
}
|
|
break;
|
|
|
|
case ATA_ALTADDR_RID:
|
|
if (ATA_MASTERDEV(dev)) {
|
|
myrid = 0;
|
|
start = (channel ? ATA_SECONDARY : ATA_PRIMARY) + ATA_ALTOFFSET;
|
|
end = start + ATA_ALTIOSIZE - 1;
|
|
count = ATA_ALTIOSIZE;
|
|
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
|
|
SYS_RES_IOPORT, &myrid,
|
|
start, end, count, flags);
|
|
}
|
|
else {
|
|
myrid = 0x14 + 8 * channel;
|
|
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IOPORT, &myrid,
|
|
start, end, count, flags);
|
|
if (res) {
|
|
start = rman_get_start(res) + 2;
|
|
end = rman_get_start(res) + ATA_ALTIOSIZE - 1;
|
|
count = ATA_ALTIOSIZE;
|
|
BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IOPORT, myrid, res);
|
|
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IOPORT, &myrid,
|
|
start, end, count, flags);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ATA_BMADDR_RID:
|
|
if (sc->bmaddr) {
|
|
myrid = 0x20;
|
|
start = (channel == 0 ? sc->bmaddr : sc->bmaddr + ATA_BMIOSIZE);
|
|
end = start + ATA_BMIOSIZE - 1;
|
|
count = ATA_BMIOSIZE;
|
|
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
|
|
SYS_RES_IOPORT, &myrid,
|
|
start, end, count, flags);
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) {
|
|
if (ATA_MASTERDEV(dev)) {
|
|
#ifdef __alpha__
|
|
return alpha_platform_alloc_ide_intr(channel);
|
|
#else
|
|
int irq = (channel == 0 ? 14 : 15);
|
|
|
|
return BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
|
|
SYS_RES_IRQ, rid, irq, irq, 1, flags);
|
|
#endif
|
|
}
|
|
else {
|
|
/* primary and secondary channels share interrupt, keep track */
|
|
if (!sc->irq)
|
|
sc->irq = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IRQ, rid, 0, ~0, 1, flags);
|
|
sc->irqcnt++;
|
|
return sc->irq;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ata_pci_release_resource(device_t dev, device_t child, int type, int rid,
|
|
struct resource *r)
|
|
{
|
|
struct ata_pci_softc *sc = device_get_softc(dev);
|
|
int channel = ((struct ata_softc *)device_get_softc(child))->channel;
|
|
|
|
if (type == SYS_RES_IOPORT) {
|
|
switch (rid) {
|
|
case ATA_IOADDR_RID:
|
|
if (ATA_MASTERDEV(dev))
|
|
return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
|
|
SYS_RES_IOPORT, 0x0, r);
|
|
else
|
|
return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IOPORT, 0x10+8*channel, r);
|
|
break;
|
|
|
|
case ATA_ALTADDR_RID:
|
|
if (ATA_MASTERDEV(dev))
|
|
return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
|
|
SYS_RES_IOPORT, 0x0, r);
|
|
else
|
|
return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IOPORT, 0x14+8*channel, r);
|
|
break;
|
|
|
|
case ATA_BMADDR_RID:
|
|
return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
|
|
SYS_RES_IOPORT, 0x20, r);
|
|
default:
|
|
return ENOENT;
|
|
}
|
|
}
|
|
if (type == SYS_RES_IRQ) {
|
|
if (rid != ATA_IRQ_RID)
|
|
return ENOENT;
|
|
|
|
if (ATA_MASTERDEV(dev)) {
|
|
#ifdef __alpha__
|
|
return alpha_platform_release_ide_intr(channel, r);
|
|
#else
|
|
return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
|
|
SYS_RES_IRQ, rid, r);
|
|
#endif
|
|
}
|
|
else {
|
|
/* primary and secondary channels share interrupt, keep track */
|
|
if (--sc->irqcnt)
|
|
return 0;
|
|
sc->irq = 0;
|
|
return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IRQ, rid, r);
|
|
}
|
|
}
|
|
return EINVAL;
|
|
}
|
|
|
|
static int
|
|
ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq,
|
|
int flags, driver_intr_t *intr, void *arg,
|
|
void **cookiep)
|
|
{
|
|
if (ATA_MASTERDEV(dev)) {
|
|
#ifdef __alpha__
|
|
return alpha_platform_setup_ide_intr(child, irq, intr, arg, cookiep);
|
|
#else
|
|
return BUS_SETUP_INTR(device_get_parent(dev), child, irq,
|
|
flags, intr, arg, cookiep);
|
|
#endif
|
|
}
|
|
else
|
|
return BUS_SETUP_INTR(device_get_parent(dev), dev, irq,
|
|
flags, intr, arg, cookiep);
|
|
}
|
|
|
|
static int
|
|
ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq,
|
|
void *cookie)
|
|
{
|
|
if (ATA_MASTERDEV(dev)) {
|
|
#ifdef __alpha__
|
|
return alpha_platform_teardown_ide_intr(child, irq, cookie);
|
|
#else
|
|
return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie);
|
|
#endif
|
|
}
|
|
else
|
|
return BUS_TEARDOWN_INTR(device_get_parent(dev), dev, irq, cookie);
|
|
}
|
|
|
|
static device_method_t ata_pci_methods[] = {
|
|
/* device interface */
|
|
DEVMETHOD(device_probe, ata_pci_probe),
|
|
DEVMETHOD(device_attach, ata_pci_attach),
|
|
DEVMETHOD(device_shutdown, bus_generic_shutdown),
|
|
DEVMETHOD(device_suspend, bus_generic_suspend),
|
|
DEVMETHOD(device_resume, bus_generic_resume),
|
|
|
|
/* bus methods */
|
|
DEVMETHOD(bus_print_child, ata_pci_print_child),
|
|
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_softc),
|
|
};
|
|
|
|
static devclass_t ata_pci_devclass;
|
|
|
|
DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, 0, 0);
|
|
|
|
static int
|
|
ata_pcisub_probe(device_t dev)
|
|
{
|
|
struct ata_softc *scp = device_get_softc(dev);
|
|
device_t *children;
|
|
int count, i;
|
|
|
|
/* 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)
|
|
scp->channel = i;
|
|
}
|
|
free(children, M_TEMP);
|
|
scp->chiptype = pci_get_devid(device_get_parent(dev));
|
|
scp->intr_func = ata_pci_intr;
|
|
return ata_probe(dev);
|
|
}
|
|
|
|
static device_method_t ata_pcisub_methods[] = {
|
|
/* device interface */
|
|
DEVMETHOD(device_probe, ata_pcisub_probe),
|
|
DEVMETHOD(device_attach, ata_attach),
|
|
DEVMETHOD(device_detach, ata_detach),
|
|
DEVMETHOD(device_resume, ata_resume),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t ata_pcisub_driver = {
|
|
"ata",
|
|
ata_pcisub_methods,
|
|
sizeof(struct ata_softc),
|
|
};
|
|
|
|
DRIVER_MODULE(ata, atapci, ata_pcisub_driver, ata_devclass, 0, 0);
|