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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 0x0001 |
28 | |
29 | struct sony_sc { |
30 | unsigned long quirks; |
31 | }; |
32 | |
33 | /* Sony Vaio VGX has wrongly mouse pointer declared as constant */ |
34 | static void sony_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
35 | unsigned int rsize) |
36 | { |
37 | struct sony_sc *sc = hid_get_drvdata(hdev); |
38 | |
39 | if ((sc->quirks & VAIO_RDESC_CONSTANT) && |
40 | rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) { |
41 | dev_info(&hdev->dev, "Fixing up Sony Vaio VGX report " |
42 | "descriptor\n"); |
43 | rdesc[55] = 0x06; |
44 | } |
45 | } |
46 | |
47 | /* |
48 | * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller |
49 | * to "operational". Without this, the ps3 controller will not report any |
50 | * events. |
51 | */ |
52 | static int sony_set_operational_usb(struct hid_device *hdev) |
53 | { |
54 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); |
55 | struct usb_device *dev = interface_to_usbdev(intf); |
56 | __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber; |
57 | int ret; |
58 | char *buf = kmalloc(18, GFP_KERNEL); |
59 | |
60 | if (!buf) |
61 | return -ENOMEM; |
62 | |
63 | ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), |
64 | HID_REQ_GET_REPORT, |
65 | USB_DIR_IN | USB_TYPE_CLASS | |
66 | USB_RECIP_INTERFACE, |
67 | (3 << 8) | 0xf2, ifnum, buf, 17, |
68 | USB_CTRL_GET_TIMEOUT); |
69 | if (ret < 0) |
70 | dev_err(&hdev->dev, "can't set operational mode\n"); |
71 | |
72 | kfree(buf); |
73 | |
74 | return ret; |
75 | } |
76 | |
77 | static int sony_set_operational_bt(struct hid_device *hdev) |
78 | { |
79 | unsigned char buf[] = { 0x53, 0xf4, 0x42, 0x03, 0x00, 0x00 }; |
80 | return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT); |
81 | } |
82 | |
83 | static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) |
84 | { |
85 | int ret; |
86 | unsigned long quirks = id->driver_data; |
87 | struct sony_sc *sc; |
88 | |
89 | sc = kzalloc(sizeof(*sc), GFP_KERNEL); |
90 | if (sc == NULL) { |
91 | dev_err(&hdev->dev, "can't alloc sony descriptor\n"); |
92 | return -ENOMEM; |
93 | } |
94 | |
95 | sc->quirks = quirks; |
96 | hid_set_drvdata(hdev, sc); |
97 | |
98 | ret = hid_parse(hdev); |
99 | if (ret) { |
100 | dev_err(&hdev->dev, "parse failed\n"); |
101 | goto err_free; |
102 | } |
103 | |
104 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | |
105 | HID_CONNECT_HIDDEV_FORCE); |
106 | if (ret) { |
107 | dev_err(&hdev->dev, "hw start failed\n"); |
108 | goto err_free; |
109 | } |
110 | |
111 | switch (hdev->bus) { |
112 | case BUS_USB: |
113 | ret = sony_set_operational_usb(hdev); |
114 | break; |
115 | case BUS_BLUETOOTH: |
116 | ret = sony_set_operational_bt(hdev); |
117 | break; |
118 | default: |
119 | ret = 0; |
120 | } |
121 | |
122 | if (ret < 0) |
123 | goto err_stop; |
124 | |
125 | return 0; |
126 | err_stop: |
127 | hid_hw_stop(hdev); |
128 | err_free: |
129 | kfree(sc); |
130 | return ret; |
131 | } |
132 | |
133 | static void sony_remove(struct hid_device *hdev) |
134 | { |
135 | hid_hw_stop(hdev); |
136 | kfree(hid_get_drvdata(hdev)); |
137 | } |
138 | |
139 | static const struct hid_device_id sony_devices[] = { |
140 | { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, |
141 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, |
142 | { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE), |
143 | .driver_data = VAIO_RDESC_CONSTANT }, |
144 | { } |
145 | }; |
146 | MODULE_DEVICE_TABLE(hid, sony_devices); |
147 | |
148 | static struct hid_driver sony_driver = { |
149 | .name = "sony", |
150 | .id_table = sony_devices, |
151 | .probe = sony_probe, |
152 | .remove = sony_remove, |
153 | .report_fixup = sony_report_fixup, |
154 | }; |
155 | |
156 | static int __init sony_init(void) |
157 | { |
158 | return hid_register_driver(&sony_driver); |
159 | } |
160 | |
161 | static void __exit sony_exit(void) |
162 | { |
163 | hid_unregister_driver(&sony_driver); |
164 | } |
165 | |
166 | module_init(sony_init); |
167 | module_exit(sony_exit); |
168 | MODULE_LICENSE("GPL"); |
169 |
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