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 /* 50 * The Sony Sixaxis does not handle HID Output Reports on the Interrupt EP 51 * like it should according to usbhid/hid-core.c::usbhid_output_raw_report() 52 * so we need to override that forcing HID Output Reports on the Control EP. 53 * 54 * There is also another issue about HID Output Reports via USB, the Sixaxis 55 * does not want the report_id as part of the data packet, so we have to 56 * discard buf[0] when sending the actual control message, even for numbered 57 * reports, humpf! 58 */ 59 static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf, 60 size_t count, unsigned char report_type) 61 { 62 struct usb_interface *intf = to_usb_interface(hid->dev.parent); 63 struct usb_device *dev = interface_to_usbdev(intf); 64 struct usb_host_interface *interface = intf->cur_altsetting; 65 int report_id = buf[0]; 66 int ret; 67 68 if (report_type == HID_OUTPUT_REPORT) { 69 /* Don't send the Report ID */ 70 buf++; 71 count--; 72 } 73 74 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 75 HID_REQ_SET_REPORT, 76 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 77 ((report_type + 1) << 8) | report_id, 78 interface->desc.bInterfaceNumber, buf, count, 79 USB_CTRL_SET_TIMEOUT); 80 81 /* Count also the Report ID, in case of an Output report. */ 82 if (ret > 0 && report_type == HID_OUTPUT_REPORT) 83 ret++; 84 85 return ret; 86 } 87 88 /* 89 * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller 90 * to "operational". Without this, the ps3 controller will not report any 91 * events. 92 */ 93 static int sixaxis_set_operational_usb(struct hid_device *hdev) 94 { 95 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 96 struct usb_device *dev = interface_to_usbdev(intf); 97 __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber; 98 int ret; 99 char *buf = kmalloc(18, GFP_KERNEL); 100 101 if (!buf) 102 return -ENOMEM; 103 104 ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 105 HID_REQ_GET_REPORT, 106 USB_DIR_IN | USB_TYPE_CLASS | 107 USB_RECIP_INTERFACE, 108 (3 << 8) | 0xf2, ifnum, buf, 17, 109 USB_CTRL_GET_TIMEOUT); 110 if (ret < 0) 111 hid_err(hdev, "can't set operational mode\n"); 112 113 kfree(buf); 114 115 return ret; 116 } 117 118 static int sixaxis_set_operational_bt(struct hid_device *hdev) 119 { 120 unsigned char buf[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 }; 121 return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT); 122 } 123 124 static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) 125 { 126 int ret; 127 unsigned long quirks = id->driver_data; 128 struct sony_sc *sc; 129 130 sc = kzalloc(sizeof(*sc), GFP_KERNEL); 131 if (sc == NULL) { 132 hid_err(hdev, "can't alloc sony descriptor\n"); 133 return -ENOMEM; 134 } 135 136 sc->quirks = quirks; 137 hid_set_drvdata(hdev, sc); 138 139 ret = hid_parse(hdev); 140 if (ret) { 141 hid_err(hdev, "parse failed\n"); 142 goto err_free; 143 } 144 145 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | 146 HID_CONNECT_HIDDEV_FORCE); 147 if (ret) { 148 hid_err(hdev, "hw start failed\n"); 149 goto err_free; 150 } 151 152 if (sc->quirks & SIXAXIS_CONTROLLER_USB) { 153 hdev->hid_output_raw_report = sixaxis_usb_output_raw_report; 154 ret = sixaxis_set_operational_usb(hdev); 155 } 156 else if (sc->quirks & SIXAXIS_CONTROLLER_BT) 157 ret = sixaxis_set_operational_bt(hdev); 158 else 159 ret = 0; 160 161 if (ret < 0) 162 goto err_stop; 163 164 return 0; 165 err_stop: 166 hid_hw_stop(hdev); 167 err_free: 168 kfree(sc); 169 return ret; 170 } 171 172 static void sony_remove(struct hid_device *hdev) 173 { 174 hid_hw_stop(hdev); 175 kfree(hid_get_drvdata(hdev)); 176 } 177 178 static const struct hid_device_id sony_devices[] = { 179 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER), 180 .driver_data = SIXAXIS_CONTROLLER_USB }, 181 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER), 182 .driver_data = SIXAXIS_CONTROLLER_USB }, 183 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER), 184 .driver_data = SIXAXIS_CONTROLLER_BT }, 185 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE), 186 .driver_data = VAIO_RDESC_CONSTANT }, 187 { } 188 }; 189 MODULE_DEVICE_TABLE(hid, sony_devices); 190 191 static struct hid_driver sony_driver = { 192 .name = "sony", 193 .id_table = sony_devices, 194 .probe = sony_probe, 195 .remove = sony_remove, 196 .report_fixup = sony_report_fixup, 197 }; 198 199 static int __init sony_init(void) 200 { 201 return hid_register_driver(&sony_driver); 202 } 203 204 static void __exit sony_exit(void) 205 { 206 hid_unregister_driver(&sony_driver); 207 } 208 209 module_init(sony_init); 210 module_exit(sony_exit); 211 MODULE_LICENSE("GPL"); 212