include/asm-sparc/ebus.h

   1 /* $Id: ebus.h,v 1.2 1999/09/11 23:05:55 zaitcev Exp $
   2  * ebus.h: PCI to Ebus pseudo driver software state.
   3  *
   4  * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
   5  *
   6  * Adopted for sparc by V. Roganov and G. Raiko.
   7  */
   8
   9 #ifndef __SPARC_EBUS_H
  10 #define __SPARC_EBUS_H
  11
  12 #ifndef _LINUX_IOPORT_H
  13 #include <linux/ioport.h>
  14 #endif
  15 #include <asm/oplib.h>
  16
  17 struct linux_ebus_child {
  18         struct linux_ebus_child         *next;
  19         struct linux_ebus_device        *parent;
  20         struct linux_ebus               *bus;
  21         int                              prom_node;
  22         char                             prom_name[64];
  23         struct resource                  resource[PROMREG_MAX];
  24         int                              num_addrs;
  25         unsigned int                     irqs[PROMINTR_MAX];
  26         int                              num_irqs;
  27 };
  28
  29 struct linux_ebus_device {
  30         struct linux_ebus_device        *next;
  31         struct linux_ebus_child         *children;
  32         struct linux_ebus               *bus;
  33         int                              prom_node;
  34         char                             prom_name[64];
  35         struct resource                  resource[PROMREG_MAX];
  36         int                              num_addrs;
  37         unsigned int                     irqs[PROMINTR_MAX];
  38         int                              num_irqs;
  39 };
  40
  41 struct linux_ebus {
  42         struct linux_ebus               *next;
  43         struct linux_ebus_device        *devices;
  44         struct linux_pbm_info           *parent;
  45         struct pci_dev                  *self;
  46         int                              prom_node;
  47         char                             prom_name[64];
  48         struct linux_prom_ebus_ranges    ebus_ranges[PROMREG_MAX];
  49         int                              num_ebus_ranges;
  50 };
  51
  52 struct linux_ebus_dma {
  53         unsigned int dcsr;
  54         unsigned int dacr;
  55         unsigned int dbcr;
  56 };
  57
  58 #define EBUS_DCSR_INT_PEND      0x00000001
  59 #define EBUS_DCSR_ERR_PEND      0x00000002
  60 #define EBUS_DCSR_DRAIN         0x00000004
  61 #define EBUS_DCSR_INT_EN        0x00000010
  62 #define EBUS_DCSR_RESET         0x00000080
  63 #define EBUS_DCSR_WRITE         0x00000100
  64 #define EBUS_DCSR_EN_DMA        0x00000200
  65 #define EBUS_DCSR_CYC_PEND      0x00000400
  66 #define EBUS_DCSR_DIAG_RD_DONE  0x00000800
  67 #define EBUS_DCSR_DIAG_WR_DONE  0x00001000
  68 #define EBUS_DCSR_EN_CNT        0x00002000
  69 #define EBUS_DCSR_TC            0x00004000
  70 #define EBUS_DCSR_DIS_CSR_DRN   0x00010000
  71 #define EBUS_DCSR_BURST_SZ_MASK 0x000c0000
  72 #define EBUS_DCSR_BURST_SZ_1    0x00080000
  73 #define EBUS_DCSR_BURST_SZ_4    0x00000000
  74 #define EBUS_DCSR_BURST_SZ_8    0x00040000
  75 #define EBUS_DCSR_BURST_SZ_16   0x000c0000
  76 #define EBUS_DCSR_DIAG_EN       0x00100000
  77 #define EBUS_DCSR_DIS_ERR_PEND  0x00400000
  78 #define EBUS_DCSR_TCI_DIS       0x00800000
  79 #define EBUS_DCSR_EN_NEXT       0x01000000
  80 #define EBUS_DCSR_DMA_ON        0x02000000
  81 #define EBUS_DCSR_A_LOADED      0x04000000
  82 #define EBUS_DCSR_NA_LOADED     0x08000000
  83 #define EBUS_DCSR_DEV_ID_MASK   0xf0000000
  84
  85 extern struct linux_ebus                *ebus_chain;
  86
  87 extern void ebus_init(void);
  88
  89 #define for_each_ebus(bus)                                              \
  90         for((bus) = ebus_chain; (bus); (bus) = (bus)->next)
  91
  92 #define for_each_ebusdev(dev, bus)                                      \
  93         for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
  94
  95 #define for_each_edevchild(dev, child)                                  \
  96         for((child) = (dev)->children; (child); (child) = (child)->next)
  97
  98 #endif /* !(__SPARC_EBUS_H) */