release/src-rt-6.x/linux/linux-2.6/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 #include <asm/prom.h>
  17 #include <asm/of_device.h>
  18
  19 struct linux_ebus_child {
  20         struct linux_ebus_child         *next;
  21         struct linux_ebus_device        *parent;
  22         struct linux_ebus               *bus;
  23         struct device_node              *prom_node;
  24         struct resource                  resource[PROMREG_MAX];
  25         int                              num_addrs;
  26         unsigned int                     irqs[PROMINTR_MAX];
  27         int                              num_irqs;
  28 };
  29
  30 struct linux_ebus_device {
  31         struct of_device                ofdev;
  32         struct linux_ebus_device        *next;
  33         struct linux_ebus_child         *children;
  34         struct linux_ebus               *bus;
  35         struct device_node              *prom_node;
  36         struct resource                  resource[PROMREG_MAX];
  37         int                              num_addrs;
  38         unsigned int                     irqs[PROMINTR_MAX];
  39         int                              num_irqs;
  40 };
  41 #define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev)
  42
  43 struct linux_ebus {
  44         struct of_device                ofdev;
  45         struct linux_ebus               *next;
  46         struct linux_ebus_device        *devices;
  47         struct linux_pbm_info           *parent;
  48         struct pci_dev                  *self;
  49         struct device_node              *prom_node;
  50 };
  51 #define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev)
  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 /* !(__SPARC_EBUS_H) */