1 /* $Id: ebus.h,v 1.10 2001/03/14 05:00:55 davem Exp $ 2 * ebus.h: PCI to Ebus pseudo driver software state. 3 * 4 * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) 5 * Copyright (C) 1999 David S. Miller (davem@redhat.com) 6 */ 7 8 #ifndef __SPARC64_EBUS_H 9 #define __SPARC64_EBUS_H 10 11 #include <asm/pbm.h> 12 #include <asm/oplib.h> 13 14 struct linux_ebus_child { 15 struct linux_ebus_child *next; 16 struct linux_ebus_device *parent; 17 struct linux_ebus *bus; 18 int prom_node; 19 char prom_name[64]; 20 struct resource resource[PROMREG_MAX]; 21 int num_addrs; 22 unsigned int irqs[PROMINTR_MAX]; 23 int num_irqs; 24 }; 25 26 struct linux_ebus_device { 27 struct linux_ebus_device *next; 28 struct linux_ebus_child *children; 29 struct linux_ebus *bus; 30 int prom_node; 31 char prom_name[64]; 32 struct resource resource[PROMREG_MAX]; 33 int num_addrs; 34 unsigned int irqs[PROMINTR_MAX]; 35 int num_irqs; 36 }; 37 38 struct linux_ebus { 39 struct linux_ebus *next; 40 struct linux_ebus_device *devices; 41 struct pci_pbm_info *parent; 42 struct pci_dev *self; 43 int index; 44 int is_rio; 45 int prom_node; 46 char prom_name[64]; 47 struct linux_prom_ebus_ranges ebus_ranges[PROMREG_MAX]; 48 int num_ebus_ranges; 49 struct linux_prom_ebus_intmap ebus_intmap[PROMREG_MAX]; 50 int num_ebus_intmap; 51 struct linux_prom_ebus_intmask ebus_intmask; 52 }; 53 54 struct linux_ebus_dma { 55 unsigned int dcsr; 56 unsigned int dacr; 57 unsigned int dbcr; 58 }; 59 60 #define EBUS_DCSR_INT_PEND 0x00000001 61 #define EBUS_DCSR_ERR_PEND 0x00000002 62 #define EBUS_DCSR_DRAIN 0x00000004 63 #define EBUS_DCSR_INT_EN 0x00000010 64 #define EBUS_DCSR_RESET 0x00000080 65 #define EBUS_DCSR_WRITE 0x00000100 66 #define EBUS_DCSR_EN_DMA 0x00000200 67 #define EBUS_DCSR_CYC_PEND 0x00000400 68 #define EBUS_DCSR_DIAG_RD_DONE 0x00000800 69 #define EBUS_DCSR_DIAG_WR_DONE 0x00001000 70 #define EBUS_DCSR_EN_CNT 0x00002000 71 #define EBUS_DCSR_TC 0x00004000 72 #define EBUS_DCSR_DIS_CSR_DRN 0x00010000 73 #define EBUS_DCSR_BURST_SZ_MASK 0x000c0000 74 #define EBUS_DCSR_BURST_SZ_1 0x00080000 75 #define EBUS_DCSR_BURST_SZ_4 0x00000000 76 #define EBUS_DCSR_BURST_SZ_8 0x00040000 77 #define EBUS_DCSR_BURST_SZ_16 0x000c0000 78 #define EBUS_DCSR_DIAG_EN 0x00100000 79 #define EBUS_DCSR_DIS_ERR_PEND 0x00400000 80 #define EBUS_DCSR_TCI_DIS 0x00800000 81 #define EBUS_DCSR_EN_NEXT 0x01000000 82 #define EBUS_DCSR_DMA_ON 0x02000000 83 #define EBUS_DCSR_A_LOADED 0x04000000 84 #define EBUS_DCSR_NA_LOADED 0x08000000 85 #define EBUS_DCSR_DEV_ID_MASK 0xf0000000 86 87 extern struct linux_ebus *ebus_chain; 88 89 extern void ebus_init(void); 90 91 #define for_each_ebus(bus) \ 92 for((bus) = ebus_chain; (bus); (bus) = (bus)->next) 93 94 #define for_each_ebusdev(dev, bus) \ 95 for((dev) = (bus)->devices; (dev); (dev) = (dev)->next) 96 97 #define for_each_edevchild(dev, child) \ 98 for((child) = (dev)->children; (child); (child) = (child)->next) 99 100 #endif /* !(__SPARC64_EBUS_H) */ 101