2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved.
8 #ifndef _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
9 #define _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
12 * SN pci asic types. Do not ever renumber these or reuse values. The
13 * values must agree with what prom thinks they are.
16 #define PCIIO_ASIC_TYPE_UNKNOWN 0
17 #define PCIIO_ASIC_TYPE_PPB 1
18 #define PCIIO_ASIC_TYPE_PIC 2
19 #define PCIIO_ASIC_TYPE_TIOCP 3
20 #define PCIIO_ASIC_TYPE_TIOCA 4
21 #define PCIIO_ASIC_TYPE_TIOCE 5
23 #define PCIIO_ASIC_MAX_TYPES 6
26 * Common pciio bus provider data. There should be one of these as the
27 * first field in any pciio based provider soft structure (e.g. pcibr_soft
31 struct pcibus_bussoft
{
32 uint32_t bs_asic_type
; /* chipset type */
33 uint32_t bs_xid
; /* xwidget id */
34 uint32_t bs_persist_busnum
; /* Persistent Bus Number */
35 uint32_t bs_persist_segment
; /* Segment Number */
36 uint64_t bs_legacy_io
; /* legacy io pio addr */
37 uint64_t bs_legacy_mem
; /* legacy mem pio addr */
38 uint64_t bs_base
; /* widget base */
39 struct xwidget_info
*bs_xwidget_info
;
42 struct pci_controller
;
44 * SN pci bus indirection
47 struct sn_pcibus_provider
{
48 dma_addr_t (*dma_map
)(struct pci_dev
*, unsigned long, size_t);
49 dma_addr_t (*dma_map_consistent
)(struct pci_dev
*, unsigned long, size_t);
50 void (*dma_unmap
)(struct pci_dev
*, dma_addr_t
, int);
51 void * (*bus_fixup
)(struct pcibus_bussoft
*, struct pci_controller
*);
52 void (*force_interrupt
)(struct sn_irq_info
*);
53 void (*target_interrupt
)(struct sn_irq_info
*);
56 extern struct sn_pcibus_provider
*sn_pci_provider
[];
57 #endif /* _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H */