1/* $Id: ebus.h,v 1.2 1999/09/11 23:05:55 zaitcev Exp $ 2 * ebus.h: PCI to Ebus pseudo driver software state. 3 * 4 * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) 5 * 6 * Adopted for sparc by V. Roganov and G. Raiko. 7 */ 8 9#ifndef __SPARC_EBUS_H 10#define __SPARC_EBUS_H 11 12#ifndef _LINUX_IOPORT_H 13#include <linux/ioport.h> 14#endif 15#include <asm/oplib.h> 16#include <asm/prom.h> 17#include <asm/of_device.h> 18 19struct linux_ebus_child { 20 struct linux_ebus_child *next; 21 struct linux_ebus_device *parent; 22 struct linux_ebus *bus; 23 struct device_node *prom_node; 24 struct resource resource[PROMREG_MAX]; 25 int num_addrs; 26 unsigned int irqs[PROMINTR_MAX]; 27 int num_irqs; 28}; 29 30struct linux_ebus_device { 31 struct of_device ofdev; 32 struct linux_ebus_device *next; 33 struct linux_ebus_child *children; 34 struct linux_ebus *bus; 35 struct device_node *prom_node; 36 struct resource resource[PROMREG_MAX]; 37 int num_addrs; 38 unsigned int irqs[PROMINTR_MAX]; 39 int num_irqs; 40}; 41#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev) 42 43struct linux_ebus { 44 struct of_device ofdev; 45 struct linux_ebus *next; 46 struct linux_ebus_device *devices; 47 struct linux_pbm_info *parent; 48 struct pci_dev *self; 49 struct device_node *prom_node; 50}; 51#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev) 52 53struct linux_ebus_dma { 54 unsigned int dcsr; 55 unsigned int dacr; 56 unsigned int dbcr; 57}; 58 59#define EBUS_DCSR_INT_PEND 0x00000001 60#define EBUS_DCSR_ERR_PEND 0x00000002 61#define EBUS_DCSR_DRAIN 0x00000004 62#define EBUS_DCSR_INT_EN 0x00000010 63#define EBUS_DCSR_RESET 0x00000080 64#define EBUS_DCSR_WRITE 0x00000100 65#define EBUS_DCSR_EN_DMA 0x00000200 66#define EBUS_DCSR_CYC_PEND 0x00000400 67#define EBUS_DCSR_DIAG_RD_DONE 0x00000800 68#define EBUS_DCSR_DIAG_WR_DONE 0x00001000 69#define EBUS_DCSR_EN_CNT 0x00002000 70#define EBUS_DCSR_TC 0x00004000 71#define EBUS_DCSR_DIS_CSR_DRN 0x00010000 72#define EBUS_DCSR_BURST_SZ_MASK 0x000c0000 73#define EBUS_DCSR_BURST_SZ_1 0x00080000 74#define EBUS_DCSR_BURST_SZ_4 0x00000000 75#define EBUS_DCSR_BURST_SZ_8 0x00040000 76#define EBUS_DCSR_BURST_SZ_16 0x000c0000 77#define EBUS_DCSR_DIAG_EN 0x00100000 78#define EBUS_DCSR_DIS_ERR_PEND 0x00400000 79#define EBUS_DCSR_TCI_DIS 0x00800000 80#define EBUS_DCSR_EN_NEXT 0x01000000 81#define EBUS_DCSR_DMA_ON 0x02000000 82#define EBUS_DCSR_A_LOADED 0x04000000 83#define EBUS_DCSR_NA_LOADED 0x08000000 84#define EBUS_DCSR_DEV_ID_MASK 0xf0000000 85 86extern struct linux_ebus *ebus_chain; 87 88extern void ebus_init(void); 89 90#define for_each_ebus(bus) \ 91 for((bus) = ebus_chain; (bus); (bus) = (bus)->next) 92 93#define for_each_ebusdev(dev, bus) \ 94 for((dev) = (bus)->devices; (dev); (dev) = (dev)->next) 95 96#define for_each_edevchild(dev, child) \ 97 for((child) = (dev)->children; (child); (child) = (child)->next) 98 99#endif /* !(__SPARC_EBUS_H) */ 100