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