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/* $Id: ebus.h,v 1.2 1999/09/11 23:05:55 zaitcev Exp $ * ebus.h: PCI to Ebus pseudo driver software state. * * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) * * Adopted for sparc by V. Roganov and G. Raiko. */ #ifndef __SPARC_EBUS_H #define __SPARC_EBUS_H #ifndef _LINUX_IOPORT_H #include <linux/ioport.h> #endif #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 linux_pbm_info *parent; struct pci_dev *self; int prom_node; char prom_name[64]; struct linux_prom_ebus_ranges ebus_ranges[PROMREG_MAX]; int num_ebus_ranges; }; 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 /* !(__SPARC_EBUS_H) */ |