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1 | /* |
2 | * IBM PowerPC eBus Infrastructure Support. | |
3 | * | |
4 | * Copyright (c) 2005 IBM Corporation | |
5 | * Heiko J Schick <schickhj@de.ibm.com> | |
6 | * | |
7 | * All rights reserved. | |
8 | * | |
9 | * This source code is distributed under a dual license of GPL v2.0 and OpenIB | |
10 | * BSD. | |
11 | * | |
12 | * OpenIB BSD License | |
13 | * | |
14 | * Redistribution and use in source and binary forms, with or without | |
15 | * modification, are permitted provided that the following conditions are met: | |
16 | * | |
17 | * Redistributions of source code must retain the above copyright notice, this | |
18 | * list of conditions and the following disclaimer. | |
19 | * | |
20 | * Redistributions in binary form must reproduce the above copyright notice, | |
21 | * this list of conditions and the following disclaimer in the documentation | |
22 | * and/or other materials | |
23 | * provided with the distribution. | |
24 | * | |
25 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
26 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
29 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
32 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER | |
33 | * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
34 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
35 | * POSSIBILITY OF SUCH DAMAGE. | |
36 | */ | |
37 | ||
38 | #ifndef _ASM_EBUS_H | |
39 | #define _ASM_EBUS_H | |
88ced031 | 40 | #ifdef __KERNEL__ |
d7a30103 HS |
41 | |
42 | #include <linux/device.h> | |
43 | #include <linux/interrupt.h> | |
44 | #include <linux/mod_devicetable.h> | |
45 | #include <asm/of_device.h> | |
46 | ||
47 | extern struct dma_mapping_ops ibmebus_dma_ops; | |
48 | extern struct bus_type ibmebus_bus_type; | |
49 | ||
50 | struct ibmebus_dev { | |
51 | char *name; | |
52 | struct of_device ofdev; | |
53 | }; | |
54 | ||
55 | struct ibmebus_driver { | |
56 | char *name; | |
57 | struct of_device_id *id_table; | |
58 | int (*probe) (struct ibmebus_dev *dev, const struct of_device_id *id); | |
59 | int (*remove) (struct ibmebus_dev *dev); | |
60 | struct device_driver driver; | |
61 | }; | |
62 | ||
63 | int ibmebus_register_driver(struct ibmebus_driver *drv); | |
64 | void ibmebus_unregister_driver(struct ibmebus_driver *drv); | |
65 | ||
66 | int ibmebus_request_irq(struct ibmebus_dev *dev, | |
67 | u32 ist, | |
68 | irqreturn_t (*handler)(int, void*, struct pt_regs *), | |
69 | unsigned long irq_flags, const char * devname, | |
70 | void *dev_id); | |
71 | void ibmebus_free_irq(struct ibmebus_dev *dev, u32 ist, void *dev_id); | |
72 | ||
73 | static inline struct ibmebus_driver *to_ibmebus_driver(struct device_driver *drv) | |
74 | { | |
75 | return container_of(drv, struct ibmebus_driver, driver); | |
76 | } | |
77 | ||
78 | static inline struct ibmebus_dev *to_ibmebus_dev(struct device *dev) | |
79 | { | |
80 | return container_of(dev, struct ibmebus_dev, ofdev.dev); | |
81 | } | |
82 | ||
83 | ||
88ced031 | 84 | #endif /* __KERNEL__ */ |
d7a30103 | 85 | #endif /* _ASM_IBMEBUS_H */ |