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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[] = { 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"); |