LXR linux/arch/sparc/kernel/psycho

   1#ifndef _PSYCHO_COMMON_H
   2#define _PSYCHO_COMMON_H
   3
   4/* U2P Programmer's Manual, page 13-55, configuration space
   5 * address format:
   6 * 
   7 *  32             24 23 16 15    11 10       8 7   2  1 0
   8 * ---------------------------------------------------------
   9 * |0 0 0 0 0 0 0 0 1| bus | device | function | reg | 0 0 |
  10 * ---------------------------------------------------------
  11 */
  12#define PSYCHO_CONFIG_BASE(PBM) \
  13        ((PBM)->config_space | (1UL << 24))
  14#define PSYCHO_CONFIG_ENCODE(BUS, DEVFN, REG)   \
  15        (((unsigned long)(BUS)   << 16) |       \
  16         ((unsigned long)(DEVFN) << 8)  |       \
  17         ((unsigned long)(REG)))
  18
  19static inline void *psycho_pci_config_mkaddr(struct pci_pbm_info *pbm,
  20                                             unsigned char bus,
  21                                             unsigned int devfn,
  22                                             int where)
  23{
  24        return (void *)
  25                (PSYCHO_CONFIG_BASE(pbm) |
  26                 PSYCHO_CONFIG_ENCODE(bus, devfn, where));
  27}
  28
  29enum psycho_error_type {
  30        UE_ERR, CE_ERR, PCI_ERR
  31};
  32
  33extern void psycho_check_iommu_error(struct pci_pbm_info *pbm,
  34                                     unsigned long afsr,
  35                                     unsigned long afar,
  36                                     enum psycho_error_type type);
  37
  38extern irqreturn_t psycho_pcierr_intr(int irq, void *dev_id);
  39
  40extern int psycho_iommu_init(struct pci_pbm_info *pbm, int tsbsize,
  41                             u32 dvma_offset, u32 dma_mask,
  42                             unsigned long write_complete_offset);
  43
  44extern void psycho_pbm_init_common(struct pci_pbm_info *pbm,
  45                                   struct platform_device *op,
  46                                   const char *chip_name, int chip_type);
  47
  48#endif /* _PSYCHO_COMMON_H */
  49