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1da177e4 LT |
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 ebus_dma_info { | |
55 | spinlock_t lock; | |
56 | void __iomem *regs; | |
57 | ||
58 | unsigned int flags; | |
59 | #define EBUS_DMA_FLAG_USE_EBDMA_HANDLER 0x00000001 | |
60 | #define EBUS_DMA_FLAG_TCI_DISABLE 0x00000002 | |
61 | ||
62 | /* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is | |
63 | * set. | |
64 | */ | |
65 | void (*callback)(struct ebus_dma_info *p, int event, void *cookie); | |
66 | void *client_cookie; | |
67 | unsigned int irq; | |
68 | #define EBUS_DMA_EVENT_ERROR 1 | |
69 | #define EBUS_DMA_EVENT_DMA 2 | |
70 | #define EBUS_DMA_EVENT_DEVICE 4 | |
71 | ||
72 | unsigned char name[64]; | |
73 | }; | |
74 | ||
75 | extern int ebus_dma_register(struct ebus_dma_info *p); | |
76 | extern int ebus_dma_irq_enable(struct ebus_dma_info *p, int on); | |
77 | extern void ebus_dma_unregister(struct ebus_dma_info *p); | |
78 | extern int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr, | |
79 | size_t len); | |
80 | extern void ebus_dma_prepare(struct ebus_dma_info *p, int write); | |
81 | extern unsigned int ebus_dma_residue(struct ebus_dma_info *p); | |
b128254f | 82 | extern unsigned int ebus_dma_addr(struct ebus_dma_info *p); |
1da177e4 LT |
83 | extern void ebus_dma_enable(struct ebus_dma_info *p, int on); |
84 | ||
85 | extern struct linux_ebus *ebus_chain; | |
86 | ||
87 | extern 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 /* !(__SPARC64_EBUS_H) */ |