9c90bdde77
Provide a driver for the altix TIOCA AGP chipset. An agpgart backend will be provided as a separate patch. Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved.
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*/
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#ifndef _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
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#define _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
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/*
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* SN pci asic types. Do not ever renumber these or reuse values. The
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* values must agree with what prom thinks they are.
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*/
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#define PCIIO_ASIC_TYPE_UNKNOWN 0
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#define PCIIO_ASIC_TYPE_PPB 1
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#define PCIIO_ASIC_TYPE_PIC 2
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#define PCIIO_ASIC_TYPE_TIOCP 3
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#define PCIIO_ASIC_TYPE_TIOCA 4
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#define PCIIO_ASIC_MAX_TYPES 5
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/*
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* Common pciio bus provider data. There should be one of these as the
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* first field in any pciio based provider soft structure (e.g. pcibr_soft
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* tioca_soft, etc).
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*/
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struct pcibus_bussoft {
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uint32_t bs_asic_type; /* chipset type */
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uint32_t bs_xid; /* xwidget id */
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uint64_t bs_persist_busnum; /* Persistent Bus Number */
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uint64_t bs_legacy_io; /* legacy io pio addr */
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uint64_t bs_legacy_mem; /* legacy mem pio addr */
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uint64_t bs_base; /* widget base */
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struct xwidget_info *bs_xwidget_info;
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};
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/*
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* SN pci bus indirection
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*/
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struct sn_pcibus_provider {
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dma_addr_t (*dma_map)(struct pci_dev *, unsigned long, size_t);
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dma_addr_t (*dma_map_consistent)(struct pci_dev *, unsigned long, size_t);
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void (*dma_unmap)(struct pci_dev *, dma_addr_t, int);
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void * (*bus_fixup)(struct pcibus_bussoft *);
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};
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extern struct sn_pcibus_provider *sn_pci_provider[];
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#endif /* _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H */
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