1/*
2 * c 2001 PPC 64 Team, IBM Corp
3 *
4 *      This program is free software; you can redistribute it and/or
5 *      modify it under the terms of the GNU General Public License
6 *      as published by the Free Software Foundation; either version
7 *      2 of the License, or (at your option) any later version.
8 */
9#ifndef _ASM_POWERPC_PPC_PCI_H
10#define _ASM_POWERPC_PPC_PCI_H
11#ifdef __KERNEL__
12
13#ifdef CONFIG_PCI
14
15#include <linux/pci.h>
16#include <asm/pci-bridge.h>
17
18extern unsigned long isa_io_base;
19
20extern void pci_setup_phb_io(struct pci_controller *hose, int primary);
21extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary);
22
23
24extern struct list_head hose_list;
25
26extern struct pci_dev *isa_bridge_pcidev;	/* may be NULL if no ISA bus */
27
28/** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
29#define BUID_HI(buid) upper_32_bits(buid)
30#define BUID_LO(buid) lower_32_bits(buid)
31
32/* PCI device_node operations */
33struct device_node;
34struct pci_dn;
35
36typedef void *(*traverse_func)(struct device_node *me, void *data);
37void *traverse_pci_devices(struct device_node *start, traverse_func pre,
38		void *data);
39void *traverse_pci_dn(struct pci_dn *root,
40		      void *(*fn)(struct pci_dn *, void *),
41		      void *data);
42
43extern void pci_devs_phb_init(void);
44extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
45
46/* From rtas_pci.h */
47extern void init_pci_config_tokens (void);
48extern unsigned long get_phb_buid (struct device_node *);
49extern int rtas_setup_phb(struct pci_controller *phb);
50
51#ifdef CONFIG_EEH
52
53void eeh_addr_cache_insert_dev(struct pci_dev *dev);
54void eeh_addr_cache_rmv_dev(struct pci_dev *dev);
55struct eeh_dev *eeh_addr_cache_get_dev(unsigned long addr);
56void eeh_slot_error_detail(struct eeh_pe *pe, int severity);
57int eeh_pci_enable(struct eeh_pe *pe, int function);
58int eeh_reset_pe(struct eeh_pe *);
59void eeh_save_bars(struct eeh_dev *edev);
60int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
61int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
62void eeh_pe_state_mark(struct eeh_pe *pe, int state);
63void eeh_pe_state_clear(struct eeh_pe *pe, int state);
64void eeh_pe_dev_mode_mark(struct eeh_pe *pe, int mode);
65
66void eeh_sysfs_add_device(struct pci_dev *pdev);
67void eeh_sysfs_remove_device(struct pci_dev *pdev);
68
69static inline const char *eeh_pci_name(struct pci_dev *pdev)
70{
71	return pdev ? pci_name(pdev) : "<null>";
72}
73
74static inline const char *eeh_driver_name(struct pci_dev *pdev)
75{
76	return (pdev && pdev->driver) ? pdev->driver->name : "<null>";
77}
78
79#endif /* CONFIG_EEH */
80
81#else /* CONFIG_PCI */
82static inline void init_pci_config_tokens(void) { }
83#endif /* !CONFIG_PCI */
84
85#endif /* __KERNEL__ */
86#endif /* _ASM_POWERPC_PPC_PCI_H */
87