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 __u8 *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 hid_info(hdev, "Fixing up Sony Vaio VGX report descriptor\n"); 44 rdesc[55] = 0x06; 45 } 46 return rdesc; 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 hid_err(hdev, "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 hid_err(hdev, "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 hid_err(hdev, "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 hid_err(hdev, "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"); 190