69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved.
|
|
*/
|
|
#ifndef _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
|
|
#define _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
|
|
|
|
/*
|
|
* SN pci asic types. Do not ever renumber these or reuse values. The
|
|
* values must agree with what prom thinks they are.
|
|
*/
|
|
|
|
#define PCIIO_ASIC_TYPE_UNKNOWN 0
|
|
#define PCIIO_ASIC_TYPE_PPB 1
|
|
#define PCIIO_ASIC_TYPE_PIC 2
|
|
#define PCIIO_ASIC_TYPE_TIOCP 3
|
|
#define PCIIO_ASIC_TYPE_TIOCA 4
|
|
#define PCIIO_ASIC_TYPE_TIOCE 5
|
|
|
|
#define PCIIO_ASIC_MAX_TYPES 6
|
|
|
|
/*
|
|
* Common pciio bus provider data. There should be one of these as the
|
|
* first field in any pciio based provider soft structure (e.g. pcibr_soft
|
|
* tioca_soft, etc).
|
|
*/
|
|
|
|
struct pcibus_bussoft {
|
|
u32 bs_asic_type; /* chipset type */
|
|
u32 bs_xid; /* xwidget id */
|
|
u32 bs_persist_busnum; /* Persistent Bus Number */
|
|
u32 bs_persist_segment; /* Segment Number */
|
|
u64 bs_legacy_io; /* legacy io pio addr */
|
|
u64 bs_legacy_mem; /* legacy mem pio addr */
|
|
u64 bs_base; /* widget base */
|
|
struct xwidget_info *bs_xwidget_info;
|
|
};
|
|
|
|
struct pci_controller;
|
|
/*
|
|
* SN pci bus indirection
|
|
*/
|
|
|
|
struct sn_pcibus_provider {
|
|
dma_addr_t (*dma_map)(struct pci_dev *, unsigned long, size_t, int flags);
|
|
dma_addr_t (*dma_map_consistent)(struct pci_dev *, unsigned long, size_t, int flags);
|
|
void (*dma_unmap)(struct pci_dev *, dma_addr_t, int);
|
|
void * (*bus_fixup)(struct pcibus_bussoft *, struct pci_controller *);
|
|
void (*force_interrupt)(struct sn_irq_info *);
|
|
void (*target_interrupt)(struct sn_irq_info *);
|
|
};
|
|
|
|
/*
|
|
* Flags used by the map interfaces
|
|
* bits 3:0 specifies format of passed in address
|
|
* bit 4 specifies that address is to be used for MSI
|
|
*/
|
|
|
|
#define SN_DMA_ADDRTYPE(x) ((x) & 0xf)
|
|
#define SN_DMA_ADDR_PHYS 1 /* address is an xio address. */
|
|
#define SN_DMA_ADDR_XIO 2 /* address is phys memory */
|
|
#define SN_DMA_MSI 0x10 /* Bus address is to be used for MSI */
|
|
|
|
extern struct sn_pcibus_provider *sn_pci_provider[];
|
|
#endif /* _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H */
|