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