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/* $Id: ebus.h,v 1.1.1.1 2004-04-15 03:01:05 phoenix Exp $

 * ebus.h: PCI to Ebus pseudo driver software state.

 *

 * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)

 * Copyright (C) 1999 David S. Miller (davem@redhat.com)

 */

#ifndef __SPARC64_EBUS_H

#define __SPARC64_EBUS_H

#include <asm/pbm.h>

#include <asm/oplib.h>

struct linux_ebus_child {

        struct linux_ebus_child         *next;

        struct linux_ebus_device        *parent;

        struct linux_ebus               *bus;

        int                              prom_node;

        char                             prom_name[64];

        struct resource                  resource[PROMREG_MAX];

        int                              num_addrs;

        unsigned int                     irqs[PROMINTR_MAX];

        int                              num_irqs;

};

struct linux_ebus_device {

        struct linux_ebus_device        *next;

        struct linux_ebus_child         *children;

        struct linux_ebus               *bus;

        int                              prom_node;

        char                             prom_name[64];

        struct resource                  resource[PROMREG_MAX];

        int                              num_addrs;

        unsigned int                     irqs[PROMINTR_MAX];

        int                              num_irqs;

};

struct linux_ebus {

        struct linux_ebus               *next;

        struct linux_ebus_device        *devices;

        struct pci_pbm_info             *parent;

        struct pci_dev                  *self;

        int                              index;

        int                              is_rio;

        int                              prom_node;

        char                             prom_name[64];

        struct linux_prom_ebus_ranges    ebus_ranges[PROMREG_MAX];

        int                              num_ebus_ranges;

        struct linux_prom_ebus_intmap    ebus_intmap[PROMREG_MAX];

        int                              num_ebus_intmap;

        struct linux_prom_ebus_intmask   ebus_intmask;

};

struct linux_ebus_dma {

        unsigned int dcsr;

        unsigned int dacr;

        unsigned int dbcr;

};

#define EBUS_DCSR_INT_PEND      0x00000001

#define EBUS_DCSR_ERR_PEND      0x00000002

#define EBUS_DCSR_DRAIN         0x00000004

#define EBUS_DCSR_INT_EN        0x00000010

#define EBUS_DCSR_RESET         0x00000080

#define EBUS_DCSR_WRITE         0x00000100

#define EBUS_DCSR_EN_DMA        0x00000200

#define EBUS_DCSR_CYC_PEND      0x00000400

#define EBUS_DCSR_DIAG_RD_DONE  0x00000800

#define EBUS_DCSR_DIAG_WR_DONE  0x00001000

#define EBUS_DCSR_EN_CNT        0x00002000

#define EBUS_DCSR_TC            0x00004000

#define EBUS_DCSR_DIS_CSR_DRN   0x00010000

#define EBUS_DCSR_BURST_SZ_MASK 0x000c0000

#define EBUS_DCSR_BURST_SZ_1    0x00080000

#define EBUS_DCSR_BURST_SZ_4    0x00000000

#define EBUS_DCSR_BURST_SZ_8    0x00040000

#define EBUS_DCSR_BURST_SZ_16   0x000c0000

#define EBUS_DCSR_DIAG_EN       0x00100000

#define EBUS_DCSR_DIS_ERR_PEND  0x00400000

#define EBUS_DCSR_TCI_DIS       0x00800000

#define EBUS_DCSR_EN_NEXT       0x01000000

#define EBUS_DCSR_DMA_ON        0x02000000

#define EBUS_DCSR_A_LOADED      0x04000000

#define EBUS_DCSR_NA_LOADED     0x08000000

#define EBUS_DCSR_DEV_ID_MASK   0xf0000000

extern struct linux_ebus                *ebus_chain;

extern void ebus_init(void);

#define for_each_ebus(bus)                                              \

        for((bus) = ebus_chain; (bus); (bus) = (bus)->next)

#define for_each_ebusdev(dev, bus)                                      \

        for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)

#define for_each_edevchild(dev, child)                                  \

        for((child) = (dev)->children; (child); (child) = (child)->next)

#endif /* !(__SPARC64_EBUS_H) */