/* $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/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_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) */