0c164b3dce3a33a060795cfc4d9d0fe2ac6eb1cf
[~shefty/rdma-dev.git] / drivers / hid / hid-sony.c
1 /*
2  *  HID driver for some sony "special" devices
3  *
4  *  Copyright (c) 1999 Andreas Gal
5  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7  *  Copyright (c) 2007 Paul Walmsley
8  *  Copyright (c) 2008 Jiri Slaby
9  *  Copyright (c) 2006-2008 Jiri Kosina
10  */
11
12 /*
13  * This program is free software; you can redistribute it and/or modify it
14  * under the terms of the GNU General Public License as published by the Free
15  * Software Foundation; either version 2 of the License, or (at your option)
16  * any later version.
17  */
18
19 #include <linux/device.h>
20 #include <linux/hid.h>
21 #include <linux/module.h>
22 #include <linux/slab.h>
23 #include <linux/usb.h>
24
25 #include "hid-ids.h"
26
27 #define VAIO_RDESC_CONSTANT     (1 << 0)
28 #define SIXAXIS_CONTROLLER_USB  (1 << 1)
29 #define SIXAXIS_CONTROLLER_BT   (1 << 2)
30
31 struct sony_sc {
32         unsigned long quirks;
33 };
34
35 /* Sony Vaio VGX has wrongly mouse pointer declared as constant */
36 static void sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
37                 unsigned int rsize)
38 {
39         struct sony_sc *sc = hid_get_drvdata(hdev);
40
41         if ((sc->quirks & VAIO_RDESC_CONSTANT) &&
42                         rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) {
43                 dev_info(&hdev->dev, "Fixing up Sony Vaio VGX report "
44                                 "descriptor\n");
45                 rdesc[55] = 0x06;
46         }
47 }
48
49 static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf,
50                 size_t count, unsigned char report_type)
51 {
52         struct usb_interface *intf = to_usb_interface(hid->dev.parent);
53         struct usb_device *dev = interface_to_usbdev(intf);
54         struct usb_host_interface *interface = intf->cur_altsetting;
55         int report_id = buf[0];
56         int ret;
57
58         ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
59                 HID_REQ_SET_REPORT,
60                 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
61                 ((report_type + 1) << 8) | report_id,
62                 interface->desc.bInterfaceNumber, buf, count,
63                 USB_CTRL_SET_TIMEOUT);
64
65         return ret;
66 }
67
68 /*
69  * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
70  * to "operational".  Without this, the ps3 controller will not report any
71  * events.
72  */
73 static int sixaxis_set_operational_usb(struct hid_device *hdev)
74 {
75         struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
76         struct usb_device *dev = interface_to_usbdev(intf);
77         __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
78         int ret;
79         char *buf = kmalloc(18, GFP_KERNEL);
80
81         if (!buf)
82                 return -ENOMEM;
83
84         ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
85                                  HID_REQ_GET_REPORT,
86                                  USB_DIR_IN | USB_TYPE_CLASS |
87                                  USB_RECIP_INTERFACE,
88                                  (3 << 8) | 0xf2, ifnum, buf, 17,
89                                  USB_CTRL_GET_TIMEOUT);
90         if (ret < 0)
91                 dev_err(&hdev->dev, "can't set operational mode\n");
92
93         kfree(buf);
94
95         return ret;
96 }
97
98 static int sixaxis_set_operational_bt(struct hid_device *hdev)
99 {
100         unsigned char buf[] = { 0xf4,  0x42, 0x03, 0x00, 0x00 };
101         return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
102 }
103
104 static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
105 {
106         int ret;
107         unsigned long quirks = id->driver_data;
108         struct sony_sc *sc;
109
110         sc = kzalloc(sizeof(*sc), GFP_KERNEL);
111         if (sc == NULL) {
112                 dev_err(&hdev->dev, "can't alloc sony descriptor\n");
113                 return -ENOMEM;
114         }
115
116         sc->quirks = quirks;
117         hid_set_drvdata(hdev, sc);
118
119         ret = hid_parse(hdev);
120         if (ret) {
121                 dev_err(&hdev->dev, "parse failed\n");
122                 goto err_free;
123         }
124
125         ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT |
126                         HID_CONNECT_HIDDEV_FORCE);
127         if (ret) {
128                 dev_err(&hdev->dev, "hw start failed\n");
129                 goto err_free;
130         }
131
132         if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
133                 hdev->hid_output_raw_report = sixaxis_usb_output_raw_report;
134                 ret = sixaxis_set_operational_usb(hdev);
135         }
136         else if (sc->quirks & SIXAXIS_CONTROLLER_BT)
137                 ret = sixaxis_set_operational_bt(hdev);
138         else
139                 ret = 0;
140
141         if (ret < 0)
142                 goto err_stop;
143
144         return 0;
145 err_stop:
146         hid_hw_stop(hdev);
147 err_free:
148         kfree(sc);
149         return ret;
150 }
151
152 static void sony_remove(struct hid_device *hdev)
153 {
154         hid_hw_stop(hdev);
155         kfree(hid_get_drvdata(hdev));
156 }
157
158 static const struct hid_device_id sony_devices[] = {
159         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
160                 .driver_data = SIXAXIS_CONTROLLER_USB },
161         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
162                 .driver_data = SIXAXIS_CONTROLLER_BT },
163         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
164                 .driver_data = VAIO_RDESC_CONSTANT },
165         { }
166 };
167 MODULE_DEVICE_TABLE(hid, sony_devices);
168
169 static struct hid_driver sony_driver = {
170         .name = "sony",
171         .id_table = sony_devices,
172         .probe = sony_probe,
173         .remove = sony_remove,
174         .report_fixup = sony_report_fixup,
175 };
176
177 static int __init sony_init(void)
178 {
179         return hid_register_driver(&sony_driver);
180 }
181
182 static void __exit sony_exit(void)
183 {
184         hid_unregister_driver(&sony_driver);
185 }
186
187 module_init(sony_init);
188 module_exit(sony_exit);
189 MODULE_LICENSE("GPL");