1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/drivers/misc/xillybus_of.c
*
* Copyright 2011 Xillybus Ltd, http://xillybus.com
*
* Driver for the Xillybus FPGA/host framework using Open Firmware.
*/
#include <linux/module.h>
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/err.h>
#include "xillybus.h"
MODULE_DESCRIPTION("Xillybus driver for Open Firmware");
MODULE_AUTHOR("Eli Billauer, Xillybus Ltd.");
MODULE_ALIAS("xillybus_of");
MODULE_LICENSE("GPL v2");
static const char xillyname[] = "xillybus_of";
/* Match table for of_platform binding */
static const struct of_device_id xillybus_of_match[] = {
{ .compatible = "xillybus,xillybus-1.00.a", },
{ .compatible = "xlnx,xillybus-1.00.a", }, /* Deprecated */
{}
};
MODULE_DEVICE_TABLE(of, xillybus_of_match);
static int xilly_drv_probe(struct platform_device *op)
{
struct device *dev = &op->dev;
struct xilly_endpoint *endpoint;
int rc;
int irq;
endpoint = xillybus_init_endpoint(dev);
if (!endpoint)
return -ENOMEM;
dev_set_drvdata(dev, endpoint);
endpoint->owner = THIS_MODULE;
endpoint->registers = devm_platform_ioremap_resource(op, 0);
if (IS_ERR(endpoint->registers))
return PTR_ERR(endpoint->registers);
irq = platform_get_irq(op, 0);
rc = devm_request_irq(dev, irq, xillybus_isr, 0, xillyname, endpoint);
if (rc) {
dev_err(endpoint->dev,
"Failed to register IRQ handler. Aborting.\n");
return -ENODEV;
}
return xillybus_endpoint_discovery(endpoint);
}
static void xilly_drv_remove(struct platform_device *op)
{
struct device *dev = &op->dev;
struct xilly_endpoint *endpoint = dev_get_drvdata(dev);
xillybus_endpoint_remove(endpoint);
}
static struct platform_driver xillybus_platform_driver = {
.probe = xilly_drv_probe,
.remove_new = xilly_drv_remove,
.driver = {
.name = xillyname,
.of_match_table = xillybus_of_match,
},
};
module_platform_driver(xillybus_platform_driver);
|
