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review.evervolv.com / android_kernel_oneplus_msm8996 / cce4b2d243ddd9e8d5da159b893117afd7ccad5c / . / arch / powerpc / include / asm / ppc-pci.h
blob: 605a97000fcf1969faf2973449f2cde199ff656b [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]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 */
Stephen Rothwelld3878992005-09-28 02:50:25 +1000[diff] [blame]9#ifndef _ASM_POWERPC_PPC_PCI_H
10#define _ASM_POWERPC_PPC_PCI_H
Arnd Bergmann88ced032005-12-16 22:43:46 +0100[diff] [blame]11#ifdef __KERNEL__
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]12
Stephen Rothwellbed59272007-03-04 17:04:44 +1100[diff] [blame]13#ifdef CONFIG_PCI
14
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]15#include <linux/pci.h>
16#include <asm/pci-bridge.h>
17
18extern unsigned long isa_io_base;
19
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]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;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]25
Stephen Rothwell36241ce2007-03-04 17:07:38 +1100[diff] [blame]26extern void find_and_init_phbs(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]27
Benjamin Herrenschmidt3d5134e2007-06-04 15:15:36 +1000[diff] [blame]28extern struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]29
linasae65a392005-11-03 18:42:26 -0600[diff] [blame]30/** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
Nishanth Aravamudandda804a2010-09-15 08:13:19 +0000[diff] [blame]31#define BUID_HI(buid) upper_32_bits(buid)
32#define BUID_LO(buid) lower_32_bits(buid)
linasae65a392005-11-03 18:42:26 -0600[diff] [blame]33
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]34/* PCI device_node operations */
35struct device_node;
36typedef void *(*traverse_func)(struct device_node *me, void *data);
37void *traverse_pci_devices(struct device_node *start, traverse_func pre,
38 void *data);
39
Benjamin Herrenschmidt4c9d2802006-11-11 17:25:08 +1100[diff] [blame]40extern void pci_devs_phb_init(void);
41extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]42
John Rosedad32bb2005-06-23 17:09:54 +1000[diff] [blame]43/* From rtas_pci.h */
Benjamin Herrenschmidt4c9d2802006-11-11 17:25:08 +1100[diff] [blame]44extern void init_pci_config_tokens (void);
45extern unsigned long get_phb_buid (struct device_node *);
46extern int rtas_setup_phb(struct pci_controller *phb);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]47
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]48extern unsigned long pci_probe_only;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]49
Linas Vepstas6dee3fb2005-11-03 18:50:10 -0600[diff] [blame]50#ifdef CONFIG_EEH
Linas Vepstas5d5a0932005-11-03 18:53:07 -0600[diff] [blame]51
52void pci_addr_cache_insert_device(struct pci_dev *dev);
53void pci_addr_cache_remove_device(struct pci_dev *dev);
54void pci_addr_cache_build(void);
55struct pci_dev *pci_get_device_by_addr(unsigned long addr);
Linas Vepstas17213c32007-05-10 02:38:11 +1000[diff] [blame]56#define EEH_LOG_TEMP_FAILURE 1
57#define EEH_LOG_PERM_FAILURE 2
Linas Vepstas77bd7412005-11-03 18:52:49 -0600[diff] [blame]58void eeh_slot_error_detail (struct pci_dn *pdn, int severity);
Linas Vepstas47b5c832006-09-15 18:57:42 -0500[diff] [blame]59#define EEH_THAW_MMIO 2
60#define EEH_THAW_DMA 3
Gavin Shancce4b2d2012-02-27 20:03:52 +0000[diff] [blame^]61int eeh_pci_enable(struct pci_dn *pdn, int function);
62int eeh_reset_pe(struct pci_dn *);
Linas Vepstas9c547762007-03-19 14:58:07 -0500[diff] [blame]63int eeh_wait_for_slot_status(struct pci_dn *pdn, int max_wait_msecs);
Linas Vepstas8b553f32005-11-03 18:50:17 -0600[diff] [blame]64void eeh_restore_bars(struct pci_dn *);
Gavin Shancce4b2d2012-02-27 20:03:52 +0000[diff] [blame^]65void eeh_configure_bridge(struct pci_dn *);
Linas Vepstas8b553f32005-11-03 18:50:17 -0600[diff] [blame]66int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
Linas Vepstas7684b402005-11-03 18:55:19 -0600[diff] [blame]67int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
Gavin Shancb3bc9d2012-02-27 20:03:51 +0000[diff] [blame]68void eeh_mark_slot(struct device_node *dn, int mode_flag);
69void eeh_clear_slot(struct device_node *dn, int mode_flag);
Gavin Shancce4b2d2012-02-27 20:03:52 +0000[diff] [blame^]70struct device_node *eeh_find_device_pe(struct device_node *dn);
Linas Vepstas9fb40eb2005-11-03 18:54:29 -0600[diff] [blame]71
Linas Vepstase1d04c92007-05-24 03:16:46 +1000[diff] [blame]72void eeh_sysfs_add_device(struct pci_dev *pdev);
73void eeh_sysfs_remove_device(struct pci_dev *pdev);
74
Breno Leitao8d3d50b2010-02-03 05:56:41 +0000[diff] [blame]75static inline const char *eeh_pci_name(struct pci_dev *pdev)
76{
77 return pdev ? pci_name(pdev) : "<null>";
78}
79
Thadeu Lima de Souza Cascardo778a7852012-01-11 09:09:58 +0000[diff] [blame]80static inline const char *eeh_driver_name(struct pci_dev *pdev)
81{
82 return (pdev && pdev->driver) ? pdev->driver->name : "<null>";
83}
84
Linas Vepstas17213c32007-05-10 02:38:11 +1000[diff] [blame]85#endif /* CONFIG_EEH */
Linas Vepstas6dee3fb2005-11-03 18:50:10 -0600[diff] [blame]86
Stephen Rothwellbed59272007-03-04 17:04:44 +1100[diff] [blame]87#else /* CONFIG_PCI */
88static inline void find_and_init_phbs(void) { }
89static inline void init_pci_config_tokens(void) { }
90#endif /* !CONFIG_PCI */
91
Arnd Bergmann88ced032005-12-16 22:43:46 +0100[diff] [blame]92#endif /* __KERNEL__ */
Stephen Rothwelld3878992005-09-28 02:50:25 +1000[diff] [blame]93#endif /* _ASM_POWERPC_PPC_PCI_H */