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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/slab.h>
#include <linux/usb/ch11.h>
#include <linux/usb/hcd.h>
#define TEST_SE0_NAK_PID 0x0101
#define TEST_J_PID 0x0102
#define TEST_K_PID 0x0103
#define TEST_PACKET_PID 0x0104
#define TEST_HS_HOST_PORT_SUSPEND_RESUME 0x0106
#define TEST_SINGLE_STEP_GET_DEV_DESC 0x0107
#define TEST_SINGLE_STEP_SET_FEATURE 0x0108
static int ehset_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
int status = -1;
struct usb_device *dev = interface_to_usbdev(intf);
struct usb_device *rh_udev = dev->bus->root_hub;
struct usb_device *hub_udev = dev->parent;
int port1 = dev->portnum;
int test_mode = le16_to_cpu(dev->descriptor.idProduct);
switch (test_mode) {
case TEST_SE0_NAK_PID:
status = usb_control_msg(hub_udev, usb_sndctrlpipe(hub_udev, 0),
USB_REQ_SET_FEATURE, USB_RT_PORT, USB_PORT_FEAT_TEST,
(3 << 8) | port1, NULL, 0, 1000);
break;
case TEST_J_PID:
status = usb_control_msg(hub_udev, usb_sndctrlpipe(hub_udev, 0),
USB_REQ_SET_FEATURE, USB_RT_PORT, USB_PORT_FEAT_TEST,
(1 << 8) | port1, NULL, 0, 1000);
break;
case TEST_K_PID:
status = usb_control_msg(hub_udev, usb_sndctrlpipe(hub_udev, 0),
USB_REQ_SET_FEATURE, USB_RT_PORT, USB_PORT_FEAT_TEST,
(2 << 8) | port1, NULL, 0, 1000);
break;
case TEST_PACKET_PID:
status = usb_control_msg(hub_udev, usb_sndctrlpipe(hub_udev, 0),
USB_REQ_SET_FEATURE, USB_RT_PORT, USB_PORT_FEAT_TEST,
(4 << 8) | port1, NULL, 0, 1000);
break;
case TEST_HS_HOST_PORT_SUSPEND_RESUME:
/* Test: wait for 15secs -> suspend -> 15secs delay -> resume */
msleep(15 * 1000);
status = usb_control_msg(hub_udev, usb_sndctrlpipe(hub_udev, 0),
USB_REQ_SET_FEATURE, USB_RT_PORT,
USB_PORT_FEAT_SUSPEND, port1, NULL, 0, 1000);
if (status < 0)
break;
msleep(15 * 1000);
status = usb_control_msg(hub_udev, usb_sndctrlpipe(hub_udev, 0),
USB_REQ_CLEAR_FEATURE, USB_RT_PORT,
USB_PORT_FEAT_SUSPEND, port1, NULL, 0, 1000);
break;
case TEST_SINGLE_STEP_GET_DEV_DESC:
/* Test: wait for 15secs -> GetDescriptor request */
msleep(15 * 1000);
{
struct usb_device_descriptor *buf;
buf = kmalloc(USB_DT_DEVICE_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
status = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
USB_REQ_GET_DESCRIPTOR, USB_DIR_IN,
USB_DT_DEVICE << 8, 0,
buf, USB_DT_DEVICE_SIZE,
USB_CTRL_GET_TIMEOUT);
kfree(buf);
}
break;
case TEST_SINGLE_STEP_SET_FEATURE:
/* GetDescriptor's SETUP request -> 15secs delay -> IN & STATUS
* Issue request to ehci root hub driver with portnum = 1
*/
status = usb_control_msg(rh_udev, usb_sndctrlpipe(rh_udev, 0),
USB_REQ_SET_FEATURE, USB_RT_PORT, USB_PORT_FEAT_TEST,
(6 << 8) | 1, NULL, 0, 60 * 1000);
break;
default:
pr_err("%s: undefined test mode ( %X )\n", __func__, test_mode);
return -EINVAL;
}
return (status < 0) ? status : 0;
}
static void ehset_disconnect(struct usb_interface *intf)
{
}
static struct usb_device_id ehset_id_table[] = {
{ USB_DEVICE(0x1a0a, TEST_SE0_NAK_PID) },
{ USB_DEVICE(0x1a0a, TEST_J_PID) },
{ USB_DEVICE(0x1a0a, TEST_K_PID) },
{ USB_DEVICE(0x1a0a, TEST_PACKET_PID) },
{ USB_DEVICE(0x1a0a, TEST_HS_HOST_PORT_SUSPEND_RESUME) },
{ USB_DEVICE(0x1a0a, TEST_SINGLE_STEP_GET_DEV_DESC) },
{ USB_DEVICE(0x1a0a, TEST_SINGLE_STEP_SET_FEATURE) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, ehset_id_table);
static struct usb_driver ehset_driver = {
.name = "usb_ehset_test",
.probe = ehset_probe,
.disconnect = ehset_disconnect,
.id_table = ehset_id_table,
};
static int __init ehset_init(void)
{
return usb_register(&ehset_driver);
}
static void __exit ehset_exit(void)
{
usb_deregister(&ehset_driver);
}
module_init(ehset_init);
module_exit(ehset_exit);
MODULE_DESCRIPTION("USB Driver for EHSET Test Fixture");
MODULE_LICENSE("GPL v2");
|
