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 static const u8 sixaxis_rdesc_fixup[] = { 32 0x95, 0x13, 0x09, 0x01, 0x81, 0x02, 0x95, 0x0C, 33 0x81, 0x01, 0x75, 0x10, 0x95, 0x04, 0x26, 0xFF, 34 0x03, 0x46, 0xFF, 0x03, 0x09, 0x01, 0x81, 0x02 35 }; 36 37 struct sony_sc { 38 unsigned long quirks; 39 }; 40 41 /* Sony Vaio VGX has wrongly mouse pointer declared as constant */ 42 static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc, 43 unsigned int *rsize) 44 { 45 struct sony_sc *sc = hid_get_drvdata(hdev); 46 47 if ((sc->quirks & VAIO_RDESC_CONSTANT) && 48 *rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) { 49 hid_info(hdev, "Fixing up Sony Vaio VGX report descriptor\n"); 50 rdesc[55] = 0x06; 51 } 52 53 /* The HID descriptor exposed over BT has a trailing zero byte */ 54 if ((((sc->quirks & SIXAXIS_CONTROLLER_USB) && *rsize == 148) || 55 ((sc->quirks & SIXAXIS_CONTROLLER_BT) && *rsize == 149)) && 56 rdesc[83] == 0x75) { 57 hid_info(hdev, "Fixing up Sony Sixaxis report descriptor\n"); 58 memcpy((void *)&rdesc[83], (void *)&sixaxis_rdesc_fixup, 59 sizeof(sixaxis_rdesc_fixup)); 60 } 61 return rdesc; 62 } 63 64 static int sony_raw_event(struct hid_device *hdev, struct hid_report *report, 65 __u8 *rd, int size) 66 { 67 struct sony_sc *sc = hid_get_drvdata(hdev); 68 69 /* Sixaxis HID report has acclerometers/gyro with MSByte first, this 70 * has to be BYTE_SWAPPED before passing up to joystick interface 71 */ 72 if ((sc->quirks & (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT)) && 73 rd[0] == 0x01 && size == 49) { 74 swap(rd[41], rd[42]); 75 swap(rd[43], rd[44]); 76 swap(rd[45], rd[46]); 77 swap(rd[47], rd[48]); 78 } 79 80 return 0; 81 } 82 83 /* 84 * The Sony Sixaxis does not handle HID Output Reports on the Interrupt EP 85 * like it should according to usbhid/hid-core.c::usbhid_output_raw_report() 86 * so we need to override that forcing HID Output Reports on the Control EP. 87 * 88 * There is also another issue about HID Output Reports via USB, the Sixaxis 89 * does not want the report_id as part of the data packet, so we have to 90 * discard buf[0] when sending the actual control message, even for numbered 91 * reports, humpf! 92 */ 93 static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf, 94 size_t count, unsigned char report_type) 95 { 96 struct usb_interface *intf = to_usb_interface(hid->dev.parent); 97 struct usb_device *dev = interface_to_usbdev(intf); 98 struct usb_host_interface *interface = intf->cur_altsetting; 99 int report_id = buf[0]; 100 int ret; 101 102 if (report_type == HID_OUTPUT_REPORT) { 103 /* Don't send the Report ID */ 104 buf++; 105 count--; 106 } 107 108 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 109 HID_REQ_SET_REPORT, 110 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 111 ((report_type + 1) << 8) | report_id, 112 interface->desc.bInterfaceNumber, buf, count, 113 USB_CTRL_SET_TIMEOUT); 114 115 /* Count also the Report ID, in case of an Output report. */ 116 if (ret > 0 && report_type == HID_OUTPUT_REPORT) 117 ret++; 118 119 return ret; 120 } 121 122 /* 123 * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller 124 * to "operational". Without this, the ps3 controller will not report any 125 * events. 126 */ 127 static int sixaxis_set_operational_usb(struct hid_device *hdev) 128 { 129 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 130 struct usb_device *dev = interface_to_usbdev(intf); 131 __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber; 132 int ret; 133 char *buf = kmalloc(18, GFP_KERNEL); 134 135 if (!buf) 136 return -ENOMEM; 137 138 ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 139 HID_REQ_GET_REPORT, 140 USB_DIR_IN | USB_TYPE_CLASS | 141 USB_RECIP_INTERFACE, 142 (3 << 8) | 0xf2, ifnum, buf, 17, 143 USB_CTRL_GET_TIMEOUT); 144 if (ret < 0) 145 hid_err(hdev, "can't set operational mode\n"); 146 147 kfree(buf); 148 149 return ret; 150 } 151 152 static int sixaxis_set_operational_bt(struct hid_device *hdev) 153 { 154 unsigned char buf[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 }; 155 return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT); 156 } 157 158 static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) 159 { 160 int ret; 161 unsigned long quirks = id->driver_data; 162 struct sony_sc *sc; 163 164 sc = kzalloc(sizeof(*sc), GFP_KERNEL); 165 if (sc == NULL) { 166 hid_err(hdev, "can't alloc sony descriptor\n"); 167 return -ENOMEM; 168 } 169 170 sc->quirks = quirks; 171 hid_set_drvdata(hdev, sc); 172 173 ret = hid_parse(hdev); 174 if (ret) { 175 hid_err(hdev, "parse failed\n"); 176 goto err_free; 177 } 178 179 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | 180 HID_CONNECT_HIDDEV_FORCE); 181 if (ret) { 182 hid_err(hdev, "hw start failed\n"); 183 goto err_free; 184 } 185 186 if (sc->quirks & SIXAXIS_CONTROLLER_USB) { 187 hdev->hid_output_raw_report = sixaxis_usb_output_raw_report; 188 ret = sixaxis_set_operational_usb(hdev); 189 } 190 else if (sc->quirks & SIXAXIS_CONTROLLER_BT) 191 ret = sixaxis_set_operational_bt(hdev); 192 else 193 ret = 0; 194 195 if (ret < 0) 196 goto err_stop; 197 198 return 0; 199 err_stop: 200 hid_hw_stop(hdev); 201 err_free: 202 kfree(sc); 203 return ret; 204 } 205 206 static void sony_remove(struct hid_device *hdev) 207 { 208 hid_hw_stop(hdev); 209 kfree(hid_get_drvdata(hdev)); 210 } 211 212 static const struct hid_device_id sony_devices[] = { 213 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER), 214 .driver_data = SIXAXIS_CONTROLLER_USB }, 215 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER), 216 .driver_data = SIXAXIS_CONTROLLER_USB }, 217 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER), 218 .driver_data = SIXAXIS_CONTROLLER_BT }, 219 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE), 220 .driver_data = VAIO_RDESC_CONSTANT }, 221 { } 222 }; 223 MODULE_DEVICE_TABLE(hid, sony_devices); 224 225 static struct hid_driver sony_driver = { 226 .name = "sony", 227 .id_table = sony_devices, 228 .probe = sony_probe, 229 .remove = sony_remove, 230 .report_fixup = sony_report_fixup, 231 .raw_event = sony_raw_event 232 }; 233 234 static int __init sony_init(void) 235 { 236 return hid_register_driver(&sony_driver); 237 } 238 239 static void __exit sony_exit(void) 240 { 241 hid_unregister_driver(&sony_driver); 242 } 243 244 module_init(sony_init); 245 module_exit(sony_exit); 246 MODULE_LICENSE("GPL"); 247