tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
40#ifdef __KERNEL__
41
42#include <linux/device.h>
43#include <linux/interrupt.h>
44#include <linux/mod_devicetable.h>
45#include <asm/of_device.h>
46
47extern struct dma_mapping_ops ibmebus_dma_ops;
48extern struct bus_type ibmebus_bus_type;
49
50struct ibmebus_dev {
51 char *name;
52 struct of_device ofdev;
53};
54
55struct 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
63int ibmebus_register_driver(struct ibmebus_driver *drv);
64void ibmebus_unregister_driver(struct ibmebus_driver *drv);
65
66int 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);
71void ibmebus_free_irq(struct ibmebus_dev *dev, u32 ist, void *dev_id);
72
73static inline struct ibmebus_driver *to_ibmebus_driver(struct device_driver *drv)
74{
75 return container_of(drv, struct ibmebus_driver, driver);
76}
77
78static inline struct ibmebus_dev *to_ibmebus_dev(struct device *dev)
79{
80 return container_of(dev, struct ibmebus_dev, ofdev.dev);
81}
82
83
84#endif /* __KERNEL__ */
85#endif /* _ASM_IBMEBUS_H */