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 dev_info(&hdev->dev, "Fixing up Sony Vaio VGX report " 44 "descriptor\n"); 45 rdesc[55] = 0x06; 46 } 47 return rdesc; 48 } 49 50 static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf, 51 size_t count, unsigned char report_type) 52 { 53 struct usb_interface *intf = to_usb_interface(hid->dev.parent); 54 struct usb_device *dev = interface_to_usbdev(intf); 55 struct usb_host_interface *interface = intf->cur_altsetting; 56 int report_id = buf[0]; 57 int ret; 58 59 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 60 HID_REQ_SET_REPORT, 61 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 62 ((report_type + 1) << 8) | report_id, 63 interface->desc.bInterfaceNumber, buf, count, 64 USB_CTRL_SET_TIMEOUT); 65 66 return ret; 67 } 68 69 /* 70 * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller 71 * to "operational". Without this, the ps3 controller will not report any 72 * events. 73 */ 74 static int sixaxis_set_operational_usb(struct hid_device *hdev) 75 { 76 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 77 struct usb_device *dev = interface_to_usbdev(intf); 78 __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber; 79 int ret; 80 char *buf = kmalloc(18, GFP_KERNEL); 81 82 if (!buf) 83 return -ENOMEM; 84 85 ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 86 HID_REQ_GET_REPORT, 87 USB_DIR_IN | USB_TYPE_CLASS | 88 USB_RECIP_INTERFACE, 89 (3 << 8) | 0xf2, ifnum, buf, 17, 90 USB_CTRL_GET_TIMEOUT); 91 if (ret < 0) 92 dev_err(&hdev->dev, "can't set operational mode\n"); 93 94 kfree(buf); 95 96 return ret; 97 } 98 99 static int sixaxis_set_operational_bt(struct hid_device *hdev) 100 { 101 unsigned char buf[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 }; 102 return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT); 103 } 104 105 static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) 106 { 107 int ret; 108 unsigned long quirks = id->driver_data; 109 struct sony_sc *sc; 110 111 sc = kzalloc(sizeof(*sc), GFP_KERNEL); 112 if (sc == NULL) { 113 dev_err(&hdev->dev, "can't alloc sony descriptor\n"); 114 return -ENOMEM; 115 } 116 117 sc->quirks = quirks; 118 hid_set_drvdata(hdev, sc); 119 120 ret = hid_parse(hdev); 121 if (ret) { 122 dev_err(&hdev->dev, "parse failed\n"); 123 goto err_free; 124 } 125 126 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | 127 HID_CONNECT_HIDDEV_FORCE); 128 if (ret) { 129 dev_err(&hdev->dev, "hw start failed\n"); 130 goto err_free; 131 } 132 133 if (sc->quirks & SIXAXIS_CONTROLLER_USB) { 134 hdev->hid_output_raw_report = sixaxis_usb_output_raw_report; 135 ret = sixaxis_set_operational_usb(hdev); 136 } 137 else if (sc->quirks & SIXAXIS_CONTROLLER_BT) 138 ret = sixaxis_set_operational_bt(hdev); 139 else 140 ret = 0; 141 142 if (ret < 0) 143 goto err_stop; 144 145 return 0; 146 err_stop: 147 hid_hw_stop(hdev); 148 err_free: 149 kfree(sc); 150 return ret; 151 } 152 153 static void sony_remove(struct hid_device *hdev) 154 { 155 hid_hw_stop(hdev); 156 kfree(hid_get_drvdata(hdev)); 157 } 158 159 static const struct hid_device_id sony_devices[] = { 160 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER), 161 .driver_data = SIXAXIS_CONTROLLER_USB }, 162 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER), 163 .driver_data = SIXAXIS_CONTROLLER_BT }, 164 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE), 165 .driver_data = VAIO_RDESC_CONSTANT }, 166 { } 167 }; 168 MODULE_DEVICE_TABLE(hid, sony_devices); 169 170 static struct hid_driver sony_driver = { 171 .name = "sony", 172 .id_table = sony_devices, 173 .probe = sony_probe, 174 .remove = sony_remove, 175 .report_fixup = sony_report_fixup, 176 }; 177 178 static int __init sony_init(void) 179 { 180 return hid_register_driver(&sony_driver); 181 } 182 183 static void __exit sony_exit(void) 184 { 185 hid_unregister_driver(&sony_driver); 186 } 187 188 module_init(sony_init); 189 module_exit(sony_exit); 190 MODULE_LICENSE("GPL"); 191