mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-30 16:13:54 +08:00
a2bd4fd179
Sparcspkr and power drivers are converted, to make sure it works. Eventually the SBUS device layer will use this as a sub-class. I really cannot cut loose on that bit until sparc32 is given the same infrastructure. Signed-off-by: David S. Miller <davem@davemloft.net>
97 lines
2.7 KiB
C
97 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>
|
|
#include <asm/prom.h>
|
|
#include <asm/of_device.h>
|
|
|
|
struct linux_ebus_child {
|
|
struct linux_ebus_child *next;
|
|
struct linux_ebus_device *parent;
|
|
struct linux_ebus *bus;
|
|
struct device_node *prom_node;
|
|
struct resource resource[PROMREG_MAX];
|
|
int num_addrs;
|
|
unsigned int irqs[PROMINTR_MAX];
|
|
int num_irqs;
|
|
};
|
|
|
|
struct linux_ebus_device {
|
|
struct of_device ofdev;
|
|
struct linux_ebus_device *next;
|
|
struct linux_ebus_child *children;
|
|
struct linux_ebus *bus;
|
|
struct device_node *prom_node;
|
|
struct resource resource[PROMREG_MAX];
|
|
int num_addrs;
|
|
unsigned int irqs[PROMINTR_MAX];
|
|
int num_irqs;
|
|
};
|
|
#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev)
|
|
|
|
struct linux_ebus {
|
|
struct of_device ofdev;
|
|
struct linux_ebus *next;
|
|
struct linux_ebus_device *devices;
|
|
struct pci_pbm_info *parent;
|
|
struct pci_dev *self;
|
|
int index;
|
|
int is_rio;
|
|
struct device_node *prom_node;
|
|
};
|
|
#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev)
|
|
|
|
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 unsigned int ebus_dma_addr(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) */
|