include/asm-sparc64/ebus.h

   1 /* $Id: ebus.h,v 1.9 1999/08/30 10:14:37 davem Exp $
   2  * ebus.h: PCI to Ebus pseudo driver software state.
   3  *
   4  * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
   5  * Copyright (C) 1999 David S. Miller (davem@redhat.com)
   6  */
   7
   8 #ifndef __SPARC64_EBUS_H
   9 #define __SPARC64_EBUS_H
  10
  11 #include <asm/pbm.h>
  12 #include <asm/oplib.h>
  13
  14 struct linux_ebus_child {
  15         struct linux_ebus_child         *next;
  16         struct linux_ebus_device        *parent;
  17         struct linux_ebus               *bus;
  18         int                              prom_node;
  19         char                             prom_name[64];
  20         struct resource                  resource[PROMREG_MAX];
  21         int                              num_addrs;
  22         unsigned int                     irqs[PROMINTR_MAX];
  23         int                              num_irqs;
  24 };
  25
  26 struct linux_ebus_device {
  27         struct linux_ebus_device        *next;
  28         struct linux_ebus_child         *children;
  29         struct linux_ebus               *bus;
  30         int                              prom_node;
  31         char                             prom_name[64];
  32         struct resource                  resource[PROMREG_MAX];
  33         int                              num_addrs;
  34         unsigned int                     irqs[PROMINTR_MAX];
  35         int                              num_irqs;
  36 };
  37
  38 struct linux_ebus {
  39         struct linux_ebus               *next;
  40         struct linux_ebus_device        *devices;
  41         struct pci_pbm_info             *parent;
  42         struct pci_dev                  *self;
  43         int                              index;
  44         int                              prom_node;
  45         char                             prom_name[64];
  46         struct linux_prom_ebus_ranges    ebus_ranges[PROMREG_MAX];
  47         int                              num_ebus_ranges;
  48         struct linux_prom_ebus_intmap    ebus_intmap[PROMREG_MAX];
  49         int                              num_ebus_intmap;
  50         struct linux_prom_ebus_intmask   ebus_intmask;
  51 };
  52
  53 struct linux_ebus_dma {
  54         unsigned int dcsr;
  55         unsigned int dacr;
  56         unsigned int dbcr;
  57 };
  58
  59 #define EBUS_DCSR_INT_PEND      0x00000001
  60 #define EBUS_DCSR_ERR_PEND      0x00000002
  61 #define EBUS_DCSR_DRAIN         0x00000004
  62 #define EBUS_DCSR_INT_EN        0x00000010
  63 #define EBUS_DCSR_RESET         0x00000080
  64 #define EBUS_DCSR_WRITE         0x00000100
  65 #define EBUS_DCSR_EN_DMA        0x00000200
  66 #define EBUS_DCSR_CYC_PEND      0x00000400
  67 #define EBUS_DCSR_DIAG_RD_DONE  0x00000800
  68 #define EBUS_DCSR_DIAG_WR_DONE  0x00001000
  69 #define EBUS_DCSR_EN_CNT        0x00002000
  70 #define EBUS_DCSR_TC            0x00004000
  71 #define EBUS_DCSR_DIS_CSR_DRN   0x00010000
  72 #define EBUS_DCSR_BURST_SZ_MASK 0x000c0000
  73 #define EBUS_DCSR_BURST_SZ_1    0x00080000
  74 #define EBUS_DCSR_BURST_SZ_4    0x00000000
  75 #define EBUS_DCSR_BURST_SZ_8    0x00040000
  76 #define EBUS_DCSR_BURST_SZ_16   0x000c0000
  77 #define EBUS_DCSR_DIAG_EN       0x00100000
  78 #define EBUS_DCSR_DIS_ERR_PEND  0x00400000
  79 #define EBUS_DCSR_TCI_DIS       0x00800000
  80 #define EBUS_DCSR_EN_NEXT       0x01000000
  81 #define EBUS_DCSR_DMA_ON        0x02000000
  82 #define EBUS_DCSR_A_LOADED      0x04000000
  83 #define EBUS_DCSR_NA_LOADED     0x08000000
  84 #define EBUS_DCSR_DEV_ID_MASK   0xf0000000
  85
  86 extern struct linux_ebus                *ebus_chain;
  87
  88 extern void ebus_init(void);
  89
  90 #define for_each_ebus(bus)                                              \
  91         for((bus) = ebus_chain; (bus); (bus) = (bus)->next)
  92
  93 #define for_each_ebusdev(dev, bus)                                      \
  94         for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
  95
  96 #define for_each_edevchild(dev, child)                                  \
  97         for((child) = (dev)->children; (child); (child) = (child)->next)
  98
  99 #endif /* !(__SPARC64_EBUS_H) */