1/* $Id: ebus.h,v 1.1.1.1 2008/10/15 03:29:17 james26_jang 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 17struct linux_ebus_child { 18 struct linux_ebus_child *next; 19 struct linux_ebus_device *parent; 20 struct linux_ebus *bus; 21 int prom_node; 22 char prom_name[64]; 23 struct resource resource[PROMREG_MAX]; 24 int num_addrs; 25 unsigned int irqs[PROMINTR_MAX]; 26 int num_irqs; 27}; 28 29struct linux_ebus_device { 30 struct linux_ebus_device *next; 31 struct linux_ebus_child *children; 32 struct linux_ebus *bus; 33 int prom_node; 34 char prom_name[64]; 35 struct resource resource[PROMREG_MAX]; 36 int num_addrs; 37 unsigned int irqs[PROMINTR_MAX]; 38 int num_irqs; 39}; 40 41struct linux_ebus { 42 struct linux_ebus *next; 43 struct linux_ebus_device *devices; 44 struct linux_pbm_info *parent; 45 struct pci_dev *self; 46 int prom_node; 47 char prom_name[64]; 48 struct linux_prom_ebus_ranges ebus_ranges[PROMREG_MAX]; 49 int num_ebus_ranges; 50}; 51 52struct linux_ebus_dma { 53 unsigned int dcsr; 54 unsigned int dacr; 55 unsigned int dbcr; 56}; 57 58#define EBUS_DCSR_INT_PEND 0x00000001 59#define EBUS_DCSR_ERR_PEND 0x00000002 60#define EBUS_DCSR_DRAIN 0x00000004 61#define EBUS_DCSR_INT_EN 0x00000010 62#define EBUS_DCSR_RESET 0x00000080 63#define EBUS_DCSR_WRITE 0x00000100 64#define EBUS_DCSR_EN_DMA 0x00000200 65#define EBUS_DCSR_CYC_PEND 0x00000400 66#define EBUS_DCSR_DIAG_RD_DONE 0x00000800 67#define EBUS_DCSR_DIAG_WR_DONE 0x00001000 68#define EBUS_DCSR_EN_CNT 0x00002000 69#define EBUS_DCSR_TC 0x00004000 70#define EBUS_DCSR_DIS_CSR_DRN 0x00010000 71#define EBUS_DCSR_BURST_SZ_MASK 0x000c0000 72#define EBUS_DCSR_BURST_SZ_1 0x00080000 73#define EBUS_DCSR_BURST_SZ_4 0x00000000 74#define EBUS_DCSR_BURST_SZ_8 0x00040000 75#define EBUS_DCSR_BURST_SZ_16 0x000c0000 76#define EBUS_DCSR_DIAG_EN 0x00100000 77#define EBUS_DCSR_DIS_ERR_PEND 0x00400000 78#define EBUS_DCSR_TCI_DIS 0x00800000 79#define EBUS_DCSR_EN_NEXT 0x01000000 80#define EBUS_DCSR_DMA_ON 0x02000000 81#define EBUS_DCSR_A_LOADED 0x04000000 82#define EBUS_DCSR_NA_LOADED 0x08000000 83#define EBUS_DCSR_DEV_ID_MASK 0xf0000000 84 85extern struct linux_ebus *ebus_chain; 86 87extern void ebus_init(void); 88 89#define for_each_ebus(bus) \ 90 for((bus) = ebus_chain; (bus); (bus) = (bus)->next) 91 92#define for_each_ebusdev(dev, bus) \ 93 for((dev) = (bus)->devices; (dev); (dev) = (dev)->next) 94 95#define for_each_edevchild(dev, child) \ 96 for((child) = (dev)->children; (child); (child) = (child)->next) 97 98#endif /* !(__SPARC_EBUS_H) */ 99