diff options
Diffstat (limited to 'include/asm-sparc/ebus.h')
| -rw-r--r-- | include/asm-sparc/ebus.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/include/asm-sparc/ebus.h b/include/asm-sparc/ebus.h new file mode 100644 index 000000000000..2d6a997c5b0c --- /dev/null +++ b/include/asm-sparc/ebus.h @@ -0,0 +1,98 @@ +/* $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) */ |