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/usb.h> 23 24 #include "hid-ids.h" 25 26 #define VAIO_RDESC_CONSTANT 0x0001 27 28 struct sony_sc { 29 unsigned long quirks; 30 }; 31 32 /* Sony Vaio VGX has wrongly mouse pointer declared as constant */ 33 static void sony_report_fixup(struct hid_device *hdev, __u8 *rdesc, 34 unsigned int rsize) 35 { 36 struct sony_sc *sc = hid_get_drvdata(hdev); 37 38 if ((sc->quirks & VAIO_RDESC_CONSTANT) && 39 rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) { 40 dev_info(&hdev->dev, "Fixing up Sony Vaio VGX report " 41 "descriptor\n"); 42 rdesc[55] = 0x06; 43 } 44 } 45 46 /* 47 * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller 48 * to "operational". Without this, the ps3 controller will not report any 49 * events. 50 */ 51 static int sony_set_operational_usb(struct hid_device *hdev) 52 { 53 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 54 struct usb_device *dev = interface_to_usbdev(intf); 55 __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber; 56 int ret; 57 char *buf = kmalloc(18, GFP_KERNEL); 58 59 if (!buf) 60 return -ENOMEM; 61 62 ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 63 HID_REQ_GET_REPORT, 64 USB_DIR_IN | USB_TYPE_CLASS | 65 USB_RECIP_INTERFACE, 66 (3 << 8) | 0xf2, ifnum, buf, 17, 67 USB_CTRL_GET_TIMEOUT); 68 if (ret < 0) 69 dev_err(&hdev->dev, "can't set operational mode\n"); 70 71 kfree(buf); 72 73 return ret; 74 } 75 76 static int sony_set_operational_bt(struct hid_device *hdev) 77 { 78 unsigned char buf[] = { 0x53, 0xf4, 0x42, 0x03, 0x00, 0x00 }; 79 return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT); 80 } 81 82 static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) 83 { 84 int ret; 85 unsigned long quirks = id->driver_data; 86 struct sony_sc *sc; 87 88 sc = kzalloc(sizeof(*sc), GFP_KERNEL); 89 if (sc == NULL) { 90 dev_err(&hdev->dev, "can't alloc apple descriptor\n"); 91 return -ENOMEM; 92 } 93 94 sc->quirks = quirks; 95 hid_set_drvdata(hdev, sc); 96 97 ret = hid_parse(hdev); 98 if (ret) { 99 dev_err(&hdev->dev, "parse failed\n"); 100 goto err_free; 101 } 102 103 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | 104 HID_CONNECT_HIDDEV_FORCE); 105 if (ret) { 106 dev_err(&hdev->dev, "hw start failed\n"); 107 goto err_free; 108 } 109 110 switch (hdev->bus) { 111 case BUS_USB: 112 ret = sony_set_operational_usb(hdev); 113 break; 114 case BUS_BLUETOOTH: 115 ret = sony_set_operational_bt(hdev); 116 break; 117 default: 118 ret = 0; 119 } 120 121 if (ret < 0) 122 goto err_stop; 123 124 return 0; 125 err_stop: 126 hid_hw_stop(hdev); 127 err_free: 128 kfree(sc); 129 return ret; 130 } 131 132 static void sony_remove(struct hid_device *hdev) 133 { 134 hid_hw_stop(hdev); 135 kfree(hid_get_drvdata(hdev)); 136 } 137 138 static const struct hid_device_id sony_devices[] = { 139 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 140 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 141 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE), 142 .driver_data = VAIO_RDESC_CONSTANT }, 143 { } 144 }; 145 MODULE_DEVICE_TABLE(hid, sony_devices); 146 147 static struct hid_driver sony_driver = { 148 .name = "sony", 149 .id_table = sony_devices, 150 .probe = sony_probe, 151 .remove = sony_remove, 152 .report_fixup = sony_report_fixup, 153 }; 154 155 static int __init sony_init(void) 156 { 157 return hid_register_driver(&sony_driver); 158 } 159 160 static void __exit sony_exit(void) 161 { 162 hid_unregister_driver(&sony_driver); 163 } 164 165 module_init(sony_init); 166 module_exit(sony_exit); 167 MODULE_LICENSE("GPL"); 168