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/* $Id: ebus.h,v 1.9 1999/08/30 10:14:37 davem 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 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) */
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