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 void find_and_init_phbs(void);
  27
  28 extern struct pci_dev *isa_bridge_pcidev;       /* may be NULL if no ISA bus */
  29
  30 /** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
  31 #define BUID_HI(buid) upper_32_bits(buid)
  32 #define BUID_LO(buid) lower_32_bits(buid)
  33
  34 /* PCI device_node operations */
  35 struct device_node;
  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
  40 extern void pci_devs_phb_init(void);
  41 extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
  42
  43 /* From rtas_pci.h */
  44 extern void init_pci_config_tokens (void);
  45 extern unsigned long get_phb_buid (struct device_node *);
  46 extern int rtas_setup_phb(struct pci_controller *phb);
  47
  48 #ifdef CONFIG_EEH
  49
  50 void pci_addr_cache_build(void);
  51 void pci_addr_cache_insert_device(struct pci_dev *dev);
  52 void pci_addr_cache_remove_device(struct pci_dev *dev);
  53 struct pci_dev *pci_addr_cache_get_device(unsigned long addr);
  54 void eeh_slot_error_detail(struct eeh_dev *edev, int severity);
  55 int eeh_pci_enable(struct eeh_dev *edev, int function);
  56 int eeh_reset_pe(struct eeh_dev *);
  57 int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
  58 int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
  59 void eeh_pe_state_mark(struct eeh_pe *pe, int state);
  60 void eeh_pe_state_clear(struct eeh_pe *pe, int state);
  61
  62 void eeh_sysfs_add_device(struct pci_dev *pdev);
  63 void eeh_sysfs_remove_device(struct pci_dev *pdev);
  64
  65 static inline const char *eeh_pci_name(struct pci_dev *pdev)
  66 {
  67         return pdev ? pci_name(pdev) : "<null>";
  68 }
  69
  70 static inline const char *eeh_driver_name(struct pci_dev *pdev)
  71 {
  72         return (pdev && pdev->driver) ? pdev->driver->name : "<null>";
  73 }
  74
  75 #endif /* CONFIG_EEH */
  76
  77 #else /* CONFIG_PCI */
  78 static inline void find_and_init_phbs(void) { }
  79 static inline void init_pci_config_tokens(void) { }
  80 #endif /* !CONFIG_PCI */
  81
  82 #endif /* __KERNEL__ */
  83 #endif /* _ASM_POWERPC_PPC_PCI_H */