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) 2008 Jiri Slaby 8 * Copyright (c) 2006-2008 Jiri Kosina 9 */ 10 11 /* 12 * This program is free software; you can redistribute it and/or modify it 13 * under the terms of the GNU General Public License as published by the Free 14 * Software Foundation; either version 2 of the License, or (at your option) 15 * any later version. 16 */ 17 18 #include <linux/device.h> 19 #include <linux/hid.h> 20 #include <linux/module.h> 21 #include <linux/slab.h> 22 #include <linux/usb.h> 23 24 #include "hid-ids.h" 25 26 #define VAIO_RDESC_CONSTANT (1 << 0) 27 #define SIXAXIS_CONTROLLER_USB (1 << 1) 28 #define SIXAXIS_CONTROLLER_BT (1 << 2) 29 30 static const u8 sixaxis_rdesc_fixup[] = { 31 0x95, 0x13, 0x09, 0x01, 0x81, 0x02, 0x95, 0x0C, 32 0x81, 0x01, 0x75, 0x10, 0x95, 0x04, 0x26, 0xFF, 33 0x03, 0x46, 0xFF, 0x03, 0x09, 0x01, 0x81, 0x02 34 }; 35 36 struct sony_sc { 37 unsigned long quirks; 38 }; 39 40 /* Sony Vaio VGX has wrongly mouse pointer declared as constant */ 41 static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc, 42 unsigned int *rsize) 43 { 44 struct sony_sc *sc = hid_get_drvdata(hdev); 45 46 if ((sc->quirks & VAIO_RDESC_CONSTANT) && 47 *rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) { 48 hid_info(hdev, "Fixing up Sony Vaio VGX report descriptor\n"); 49 rdesc[55] = 0x06; 50 } 51 52 /* The HID descriptor exposed over BT has a trailing zero byte */ 53 if ((((sc->quirks & SIXAXIS_CONTROLLER_USB) && *rsize == 148) || 54 ((sc->quirks & SIXAXIS_CONTROLLER_BT) && *rsize == 149)) && 55 rdesc[83] == 0x75) { 56 hid_info(hdev, "Fixing up Sony Sixaxis report descriptor\n"); 57 memcpy((void *)&rdesc[83], (void *)&sixaxis_rdesc_fixup, 58 sizeof(sixaxis_rdesc_fixup)); 59 } 60 return rdesc; 61 } 62 63 static int sony_raw_event(struct hid_device *hdev, struct hid_report *report, 64 __u8 *rd, int size) 65 { 66 struct sony_sc *sc = hid_get_drvdata(hdev); 67 68 /* Sixaxis HID report has acclerometers/gyro with MSByte first, this 69 * has to be BYTE_SWAPPED before passing up to joystick interface 70 */ 71 if ((sc->quirks & (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT)) && 72 rd[0] == 0x01 && size == 49) { 73 swap(rd[41], rd[42]); 74 swap(rd[43], rd[44]); 75 swap(rd[45], rd[46]); 76 swap(rd[47], rd[48]); 77 } 78 79 return 0; 80 } 81 82 /* 83 * The Sony Sixaxis does not handle HID Output Reports on the Interrupt EP 84 * like it should according to usbhid/hid-core.c::usbhid_output_raw_report() 85 * so we need to override that forcing HID Output Reports on the Control EP. 86 * 87 * There is also another issue about HID Output Reports via USB, the Sixaxis 88 * does not want the report_id as part of the data packet, so we have to 89 * discard buf[0] when sending the actual control message, even for numbered 90 * reports, humpf! 91 */ 92 static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf, 93 size_t count, unsigned char report_type) 94 { 95 struct usb_interface *intf = to_usb_interface(hid->dev.parent); 96 struct usb_device *dev = interface_to_usbdev(intf); 97 struct usb_host_interface *interface = intf->cur_altsetting; 98 int report_id = buf[0]; 99 int ret; 100 101 if (report_type == HID_OUTPUT_REPORT) { 102 /* Don't send the Report ID */ 103 buf++; 104 count--; 105 } 106 107 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 108 HID_REQ_SET_REPORT, 109 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 110 ((report_type + 1) << 8) | report_id, 111 interface->desc.bInterfaceNumber, buf, count, 112 USB_CTRL_SET_TIMEOUT); 113 114 /* Count also the Report ID, in case of an Output report. */ 115 if (ret > 0 && report_type == HID_OUTPUT_REPORT) 116 ret++; 117 118 return ret; 119 } 120 121 /* 122 * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller 123 * to "operational". Without this, the ps3 controller will not report any 124 * events. 125 */ 126 static int sixaxis_set_operational_usb(struct hid_device *hdev) 127 { 128 struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 129 struct usb_device *dev = interface_to_usbdev(intf); 130 __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber; 131 int ret; 132 char *buf = kmalloc(18, GFP_KERNEL); 133 134 if (!buf) 135 return -ENOMEM; 136 137 ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 138 HID_REQ_GET_REPORT, 139 USB_DIR_IN | USB_TYPE_CLASS | 140 USB_RECIP_INTERFACE, 141 (3 << 8) | 0xf2, ifnum, buf, 17, 142 USB_CTRL_GET_TIMEOUT); 143 if (ret < 0) 144 hid_err(hdev, "can't set operational mode\n"); 145 146 kfree(buf); 147 148 return ret; 149 } 150 151 static int sixaxis_set_operational_bt(struct hid_device *hdev) 152 { 153 unsigned char buf[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 }; 154 return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT); 155 } 156 157 static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) 158 { 159 int ret; 160 unsigned long quirks = id->driver_data; 161 struct sony_sc *sc; 162 163 sc = kzalloc(sizeof(*sc), GFP_KERNEL); 164 if (sc == NULL) { 165 hid_err(hdev, "can't alloc sony descriptor\n"); 166 return -ENOMEM; 167 } 168 169 sc->quirks = quirks; 170 hid_set_drvdata(hdev, sc); 171 172 ret = hid_parse(hdev); 173 if (ret) { 174 hid_err(hdev, "parse failed\n"); 175 goto err_free; 176 } 177 178 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | 179 HID_CONNECT_HIDDEV_FORCE); 180 if (ret) { 181 hid_err(hdev, "hw start failed\n"); 182 goto err_free; 183 } 184 185 if (sc->quirks & SIXAXIS_CONTROLLER_USB) { 186 hdev->hid_output_raw_report = sixaxis_usb_output_raw_report; 187 ret = sixaxis_set_operational_usb(hdev); 188 } 189 else if (sc->quirks & SIXAXIS_CONTROLLER_BT) 190 ret = sixaxis_set_operational_bt(hdev); 191 else 192 ret = 0; 193 194 if (ret < 0) 195 goto err_stop; 196 197 return 0; 198 err_stop: 199 hid_hw_stop(hdev); 200 err_free: 201 kfree(sc); 202 return ret; 203 } 204 205 static void sony_remove(struct hid_device *hdev) 206 { 207 hid_hw_stop(hdev); 208 kfree(hid_get_drvdata(hdev)); 209 } 210 211 static const struct hid_device_id sony_devices[] = { 212 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER), 213 .driver_data = SIXAXIS_CONTROLLER_USB }, 214 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER), 215 .driver_data = SIXAXIS_CONTROLLER_USB }, 216 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER), 217 .driver_data = SIXAXIS_CONTROLLER_BT }, 218 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE), 219 .driver_data = VAIO_RDESC_CONSTANT }, 220 { } 221 }; 222 MODULE_DEVICE_TABLE(hid, sony_devices); 223 224 static struct hid_driver sony_driver = { 225 .name = "sony", 226 .id_table = sony_devices, 227 .probe = sony_probe, 228 .remove = sony_remove, 229 .report_fixup = sony_report_fixup, 230 .raw_event = sony_raw_event 231 }; 232 233 static int __init sony_init(void) 234 { 235 return hid_register_driver(&sony_driver); 236 } 237 238 static void __exit sony_exit(void) 239 { 240 hid_unregister_driver(&sony_driver); 241 } 242 243 module_init(sony_init); 244 module_exit(sony_exit); 245 MODULE_LICENSE("GPL"); 246