mirror of https://gitee.com/openkylin/linux.git
98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
|
/* $Id: ebus.h,v 1.10 2001/03/14 05:00:55 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 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 ebus_dma_info {
|
||
|
|
spinlock_t lock;
|
||
|
|
void __iomem *regs;
|
||
|
|
|
||
|
|
unsigned int flags;
|
||
|
|
#define EBUS_DMA_FLAG_USE_EBDMA_HANDLER 0x00000001
|
||
|
|
#define EBUS_DMA_FLAG_TCI_DISABLE 0x00000002
|
||
|
|
|
||
|
|
/* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is
|
||
|
|
* set.
|
||
|
|
*/
|
||
|
|
void (*callback)(struct ebus_dma_info *p, int event, void *cookie);
|
||
|
|
void *client_cookie;
|
||
|
|
unsigned int irq;
|
||
|
|
#define EBUS_DMA_EVENT_ERROR 1
|
||
|
|
#define EBUS_DMA_EVENT_DMA 2
|
||
|
|
#define EBUS_DMA_EVENT_DEVICE 4
|
||
|
|
|
||
|
|
unsigned char name[64];
|
||
|
|
};
|
||
|
|
|
||
|
|
extern int ebus_dma_register(struct ebus_dma_info *p);
|
||
|
|
extern int ebus_dma_irq_enable(struct ebus_dma_info *p, int on);
|
||
|
|
extern void ebus_dma_unregister(struct ebus_dma_info *p);
|
||
|
|
extern int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr,
|
||
|
|
size_t len);
|
||
|
|
extern void ebus_dma_prepare(struct ebus_dma_info *p, int write);
|
||
|
|
extern unsigned int ebus_dma_residue(struct ebus_dma_info *p);
|
||
|
|
extern void ebus_dma_enable(struct ebus_dma_info *p, int on);
|
||
|
|
|
||
|
|
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) */
|