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- /* $Id: ebus.h,v 1.8 1998/05/07 21:00:27 ecd Exp $
- * ebus.h: PCI to Ebus pseudo driver software state.
- *
- * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
- */
-
- #ifndef __SPARC64_EBUS_H
- #define __SPARC64_EBUS_H
-
- #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];
- unsigned long base_address[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];
- unsigned long base_address[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_prom_ebus_intmap ebus_intmap[PROMREG_MAX];
- int num_ebus_intmap;
- struct linux_prom_ebus_intmask ebus_intmask;
- };
-
- 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 /* !(__SPARC64_EBUS_H) */
-