arch/powerpc/include/asm/ppc-pci.h

   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
  18 extern unsigned long isa_io_base;
  19
  20 extern void pci_setup_phb_io(struct pci_controller *hose, int primary);
  21 extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary);
  22
  23
  24 extern struct list_head hose_list;
  25
  26 extern 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 */
  33 struct device_node;
  34 struct pci_dn;
  35
  36 typedef void *(*traverse_func)(struct device_node *me, void *data);
  37 void *traverse_pci_devices(struct device_node *start, traverse_func pre,
  38                 void *data);
  39 void *traverse_pci_dn(struct pci_dn *root,
  40                       void *(*fn)(struct pci_dn *, void *),
  41                       void *data);
  42
  43 extern void pci_devs_phb_init(void);
  44 extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
  45
  46 /* From rtas_pci.h */
  47 extern void init_pci_config_tokens (void);
  48 extern unsigned long get_phb_buid (struct device_node *);
  49 extern int rtas_setup_phb(struct pci_controller *phb);
  50
  51 #ifdef CONFIG_EEH
  52
  53 void eeh_addr_cache_insert_dev(struct pci_dev *dev);
  54 void eeh_addr_cache_rmv_dev(struct pci_dev *dev);
  55 struct eeh_dev *eeh_addr_cache_get_dev(unsigned long addr);
  56 void eeh_slot_error_detail(struct eeh_pe *pe, int severity);
  57 int eeh_pci_enable(struct eeh_pe *pe, int function);
  58 int eeh_reset_pe(struct eeh_pe *);
  59 void eeh_save_bars(struct eeh_dev *edev);
  60 int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
  61 int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
  62 void eeh_pe_state_mark(struct eeh_pe *pe, int state);
  63 void eeh_pe_state_clear(struct eeh_pe *pe, int state);
  64 void eeh_pe_state_mark_with_cfg(struct eeh_pe *pe, int state);
  65 void eeh_pe_dev_mode_mark(struct eeh_pe *pe, int mode);
  66
  67 void eeh_sysfs_add_device(struct pci_dev *pdev);
  68 void eeh_sysfs_remove_device(struct pci_dev *pdev);
  69
  70 static inline const char *eeh_pci_name(struct pci_dev *pdev)
  71 {
  72         return pdev ? pci_name(pdev) : "<null>";
  73 }
  74
  75 static inline const char *eeh_driver_name(struct pci_dev *pdev)
  76 {
  77         return (pdev && pdev->driver) ? pdev->driver->name : "<null>";
  78 }
  79
  80 #endif /* CONFIG_EEH */
  81
  82 #else /* CONFIG_PCI */
  83 static inline void init_pci_config_tokens(void) { }
  84 #endif /* !CONFIG_PCI */
  85
  86 #endif /* __KERNEL__ */
  87 #endif /* _ASM_POWERPC_PPC_PCI_H */