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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
4 * for more details.
5 *
John Keller8ea60912006-10-04 16:49:25 -05006 * Copyright (C) 1992 - 1997, 2000-2006 Silicon Graphics, Inc. All rights reserved.
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 */
8#ifndef _ASM_IA64_SN_PCI_PCIDEV_H
9#define _ASM_IA64_SN_PCI_PCIDEV_H
10
11#include <linux/pci.h>
12
John Keller3ec829b2005-11-29 16:36:32 -060013/*
14 * In ia64, pci_dev->sysdata must be a *pci_controller. To provide access to
John Keller8ea60912006-10-04 16:49:25 -050015 * the pcidev_info structs for all devices under a controller, we keep a
16 * list of pcidev_info under pci_controller->platform_data.
John Keller3ec829b2005-11-29 16:36:32 -060017 */
John Keller8ea60912006-10-04 16:49:25 -050018struct sn_platform_data {
19 void *provider_soft;
John Keller3ec829b2005-11-29 16:36:32 -060020 struct list_head pcidev_info;
21};
22
John Keller8ea60912006-10-04 16:49:25 -050023#define SN_PLATFORM_DATA(busdev) \
24 ((struct sn_platform_data *)(PCI_CONTROLLER(busdev)->platform_data))
John Keller3ec829b2005-11-29 16:36:32 -060025
26#define SN_PCIDEV_INFO(dev) sn_pcidev_info_get(dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -070027
28/*
29 * Given a pci_bus, return the sn pcibus_bussoft struct. Note that
30 * this only works for root busses, not for busses represented by PPB's.
31 */
32
33#define SN_PCIBUS_BUSSOFT(pci_bus) \
John Keller8ea60912006-10-04 16:49:25 -050034 ((struct pcibus_bussoft *)(SN_PLATFORM_DATA(pci_bus)->provider_soft))
Linus Torvalds1da177e2005-04-16 15:20:36 -070035
Prarit Bhargava6f354b02005-07-06 15:29:53 -070036#define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \
John Keller8ea60912006-10-04 16:49:25 -050037 ((struct pcibus_info *)(SN_PLATFORM_DATA(pci_bus)->provider_soft))
Linus Torvalds1da177e2005-04-16 15:20:36 -070038/*
39 * Given a struct pci_dev, return the sn pcibus_bussoft struct. Note
40 * that this is not equivalent to SN_PCIBUS_BUSSOFT(pci_dev->bus) due
41 * due to possible PPB's in the path.
42 */
43
44#define SN_PCIDEV_BUSSOFT(pci_dev) \
45 (SN_PCIDEV_INFO(pci_dev)->pdi_host_pcidev_info->pdi_pcibus_info)
46
Mark Maulee955d822005-04-25 11:26:03 -070047#define SN_PCIDEV_BUSPROVIDER(pci_dev) \
48 (SN_PCIDEV_INFO(pci_dev)->pdi_provider)
49
Linus Torvalds1da177e2005-04-16 15:20:36 -070050#define PCIIO_BUS_NONE 255 /* bus 255 reserved */
51#define PCIIO_SLOT_NONE 255
52#define PCIIO_FUNC_NONE 255
53#define PCIIO_VENDOR_ID_NONE (-1)
54
55struct pcidev_info {
Prarit Bhargava53493dc2006-01-16 19:54:40 -080056 u64 pdi_pio_mapped_addr[7]; /* 6 BARs PLUS 1 ROM */
57 u64 pdi_slot_host_handle; /* Bus and devfn Host pci_dev */
Linus Torvalds1da177e2005-04-16 15:20:36 -070058
59 struct pcibus_bussoft *pdi_pcibus_info; /* Kernel common bus soft */
60 struct pcidev_info *pdi_host_pcidev_info; /* Kernel Host pci_dev */
61 struct pci_dev *pdi_linux_pcidev; /* Kernel pci_dev */
62
63 struct sn_irq_info *pdi_sn_irq_info;
Mark Maulee955d822005-04-25 11:26:03 -070064 struct sn_pcibus_provider *pdi_provider; /* sn pci ops */
Prarit Bhargavacb4cb2c2005-07-06 14:59:44 -070065 struct pci_dev *host_pci_dev; /* host bus link */
John Keller3ec829b2005-11-29 16:36:32 -060066 struct list_head pdi_list; /* List of pcidev_info */
Linus Torvalds1da177e2005-04-16 15:20:36 -070067};
68
69extern void sn_irq_fixup(struct pci_dev *pci_dev,
70 struct sn_irq_info *sn_irq_info);
Prarit Bhargavac13cf372005-07-06 15:26:51 -070071extern void sn_irq_unfixup(struct pci_dev *pci_dev);
John Keller3ec829b2005-11-29 16:36:32 -060072extern struct pcidev_info * sn_pcidev_info_get(struct pci_dev *);
John Keller6f09a922007-01-30 01:17:37 -050073extern void sn_bus_fixup(struct pci_bus *);
74extern void sn_acpi_bus_fixup(struct pci_bus *);
75extern void sn_common_bus_fixup(struct pci_bus *, struct pcibus_bussoft *);
Prarit Bhargava6f354b02005-07-06 15:29:53 -070076extern void sn_bus_store_sysdata(struct pci_dev *dev);
77extern void sn_bus_free_sysdata(void);
Prarit Bhargavaf90aa8c2006-03-08 13:30:18 -050078extern void sn_generate_path(struct pci_bus *pci_bus, char *address);
John Keller6f09a922007-01-30 01:17:37 -050079extern void sn_io_slot_fixup(struct pci_dev *);
80extern void sn_acpi_slot_fixup(struct pci_dev *);
81extern void sn_pci_fixup_slot(struct pci_dev *dev, struct pcidev_info *,
82 struct sn_irq_info *);
Prarit Bhargavac13cf372005-07-06 15:26:51 -070083extern void sn_pci_unfixup_slot(struct pci_dev *dev);
Prarit Bhargavacb4cb2c2005-07-06 14:59:44 -070084extern void sn_irq_lh_init(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -070085#endif /* _ASM_IA64_SN_PCI_PCIDEV_H */