| /* |
| * 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 */ |
