/* * X-Box gamepad driver * * Copyright (c) 2002 Marko Friedemann <mfr@bmx-chemnitz.de> * 2004 Oliver Schwartz <Oliver.Schwartz@gmx.de>, * Steven Toth <steve@toth.demon.co.uk>, * Franz Lehner <franz@caos.at>, * Ivan Hawkes <blackhawk@ivanhawkes.com> * 2005 Dominic Cerquetti <binary1230@yahoo.com> * 2006 Adam Buchbinder <adam.buchbinder@gmail.com> * 2007 Jan Kratochvil <honza@jikos.cz> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * * This driver is based on: * - information from http://euc.jp/periphs/xbox-controller.ja.html * - the iForce driver drivers/char/joystick/iforce.c * - the skeleton-driver drivers/usb/usb-skeleton.c * - Xbox 360 information http://www.free60.org/wiki/Gamepad * * Thanks to: * - ITO Takayuki for providing essential xpad information on his website * - Vojtech Pavlik - iforce driver / input subsystem * - Greg Kroah-Hartman - usb-skeleton driver * - XBOX Linux project - extra USB id's * * TODO: * - fine tune axes (especially trigger axes) * - fix "analog" buttons (reported as digital now) * - get rumble working * - need USB IDs for other dance pads * * History: * * 2002-06-27 - 0.0.1 : first version, just said "XBOX HID controller" * * 2002-07-02 - 0.0.2 : basic working version * - all axes and 9 of the 10 buttons work (german InterAct device) * - the black button does not work * * 2002-07-14 - 0.0.3 : rework by Vojtech Pavlik * - indentation fixes * - usb + input init sequence fixes * * 2002-07-16 - 0.0.4 : minor changes, merge with Vojtech's v0.0.3 * - verified the lack of HID and report descriptors * - verified that ALL buttons WORK * - fixed d-pad to axes mapping * * 2002-07-17 - 0.0.5 : simplified d-pad handling * * 2004-10-02 - 0.0.6 : DDR pad support * - borrowed from the XBOX linux kernel * - USB id's for commonly used dance pads are present * - dance pads will map D-PAD to buttons, not axes * - pass the module paramater 'dpad_to_buttons' to force * the D-PAD to map to buttons if your pad is not detected * * Later changes can be tracked in SCM. */ #include <linux/kernel.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/stat.h> #include <linux/module.h> #include <linux/usb/input.h> #define DRIVER_AUTHOR "Marko Friedemann <mfr@bmx-chemnitz.de>" #define DRIVER_DESC "X-Box pad driver" #define XPAD_PKT_LEN 32 /* xbox d-pads should map to buttons, as is required for DDR pads but we map them to axes when possible to simplify things */ #define MAP_DPAD_TO_BUTTONS 0 #define MAP_DPAD_TO_AXES 1 #define MAP_DPAD_UNKNOWN 2 #define XTYPE_XBOX 0 #define XTYPE_XBOX360 1 #define XTYPE_XBOX360W 2 #define XTYPE_UNKNOWN 3 static int dpad_to_buttons; module_param(dpad_to_buttons, bool, S_IRUGO); MODULE_PARM_DESC(dpad_to_buttons, "Map D-PAD to buttons rather than axes for unknown pads"); static const struct xpad_device { u16 idVendor; u16 idProduct; char *name; u8 dpad_mapping; u8 xtype; } xpad_device[] = { { 0x045e, 0x0202, "Microsoft X-Box pad v1 (US)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x045e, 0x0287, "Microsoft Xbox Controller S", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W }, { 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x046d, 0xc242, "Logitech Chillstream Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, { 0x046d, 0xca84, "Logitech Xbox Cordless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x046d, 0xca88, "Logitech Compact Controller for Xbox", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x05fd, 0x1007, "Mad Catz Controller (unverified)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0738, 0x4516, "Mad Catz Control Pad", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0738, 0x4522, "Mad Catz LumiCON", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0738, 0x4526, "Mad Catz Control Pad Pro", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0738, 0x4536, "Mad Catz MicroCON", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0738, 0x4540, "Mad Catz Beat Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x0738, 0x4556, "Mad Catz Lynx Wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0738, 0x4716, "Mad Catz Wired Xbox 360 Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, { 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x0c12, 0x8802, "Zeroplus Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0c12, 0x880a, "Pelican Eclipse PL-2023", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0c12, 0x8810, "Zeroplus Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0e4c, 0x1097, "Radica Gamester Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0e4c, 0x2390, "Radica Games Jtech Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0e6f, 0x0005, "Eclipse wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0e6f, 0x0006, "Edge wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0e6f, 0x0006, "Pelican 'TSZ' Wired Xbox 360 Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, { 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0f30, 0x0202, "Joytech Advanced Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x12ab, 0x8809, "Xbox DDR dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x1430, 0x4748, "RedOctane Guitar Hero X-plorer", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, { 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x045e, 0x028e, "Microsoft X-Box 360 pad", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, { 0xffff, 0xffff, "Chinese-made Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, { 0x0000, 0x0000, "Generic X-Box pad", MAP_DPAD_UNKNOWN, XTYPE_UNKNOWN } }; /* buttons shared with xbox and xbox360 */ static const signed short xpad_common_btn[] = { BTN_A, BTN_B, BTN_X, BTN_Y, /* "analog" buttons */ BTN_START, BTN_BACK, BTN_THUMBL, BTN_THUMBR, /* start/back/sticks */ -1 /* terminating entry */ }; /* original xbox controllers only */ static const signed short xpad_btn[] = { BTN_C, BTN_Z, /* "analog" buttons */ -1 /* terminating entry */ }; /* only used if MAP_DPAD_TO_BUTTONS */ static const signed short xpad_btn_pad[] = { BTN_LEFT, BTN_RIGHT, /* d-pad left, right */ BTN_0, BTN_1, /* d-pad up, down (XXX names??) */ -1 /* terminating entry */ }; static const signed short xpad360_btn[] = { /* buttons for x360 controller */ BTN_TL, BTN_TR, /* Button LB/RB */ BTN_MODE, /* The big X button */ -1 }; static const signed short xpad_abs[] = { ABS_X, ABS_Y, /* left stick */ ABS_RX, ABS_RY, /* right stick */ ABS_Z, ABS_RZ, /* triggers left/right */ -1 /* terminating entry */ }; /* only used if MAP_DPAD_TO_AXES */ static const signed short xpad_abs_pad[] = { ABS_HAT0X, ABS_HAT0Y, /* d-pad axes */ -1 /* terminating entry */ }; /* Xbox 360 has a vendor-specific class, so we cannot match it with only * USB_INTERFACE_INFO (also specifically refused by USB subsystem), so we * match against vendor id as well. Wired Xbox 360 devices have protocol 1, * wireless controllers have protocol 129. */ #define XPAD_XBOX360_VENDOR_PROTOCOL(vend,pr) \ .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \ .idVendor = (vend), \ .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \ .bInterfaceSubClass = 93, \ .bInterfaceProtocol = (pr) #define XPAD_XBOX360_VENDOR(vend) \ { XPAD_XBOX360_VENDOR_PROTOCOL(vend,1) }, \ { XPAD_XBOX360_VENDOR_PROTOCOL(vend,129) } static struct usb_device_id xpad_table [] = { { USB_INTERFACE_INFO('X', 'B', 0) }, /* X-Box USB-IF not approved class */ XPAD_XBOX360_VENDOR(0x045e), /* Microsoft X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x046d), /* Logitech X-Box 360 style controllers */ XPAD_XBOX360_VENDOR(0x0738), /* Mad Catz X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ { } }; MODULE_DEVICE_TABLE (usb, xpad_table); struct usb_xpad { struct input_dev *dev; /* input device interface */ struct usb_device *udev; /* usb device */ int pad_present; struct urb *irq_in; /* urb for interrupt in report */ unsigned char *idata; /* input data */ dma_addr_t idata_dma; struct urb *bulk_out; unsigned char *bdata; #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) struct urb *irq_out; /* urb for interrupt out report */ unsigned char *odata; /* output data */ dma_addr_t odata_dma; struct mutex odata_mutex; #endif #if defined(CONFIG_JOYSTICK_XPAD_LEDS) struct xpad_led *led; #endif char phys[64]; /* physical device path */ int dpad_mapping; /* map d-pad to buttons or to axes */ int xtype; /* type of xbox device */ }; /* * xpad_process_packet * * Completes a request by converting the data into events for the * input subsystem. * * The used report descriptor was taken from ITO Takayukis website: * http://euc.jp/periphs/xbox-controller.ja.html */ static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) { struct input_dev *dev = xpad->dev; /* left stick */ input_report_abs(dev, ABS_X, (__s16) le16_to_cpup((__le16 *)(data + 12))); input_report_abs(dev, ABS_Y, ~(__s16) le16_to_cpup((__le16 *)(data + 14))); /* right stick */ input_report_abs(dev, ABS_RX, (__s16) le16_to_cpup((__le16 *)(data + 16))); input_report_abs(dev, ABS_RY, ~(__s16) le16_to_cpup((__le16 *)(data + 18))); /* triggers left/right */ input_report_abs(dev, ABS_Z, data[10]); input_report_abs(dev, ABS_RZ, data[11]); /* digital pad */ if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) { input_report_abs(dev, ABS_HAT0X, !!(data[2] & 0x08) - !!(data[2] & 0x04)); input_report_abs(dev, ABS_HAT0Y, !!(data[2] & 0x02) - !!(data[2] & 0x01)); } else /* xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS */ { input_report_key(dev, BTN_LEFT, data[2] & 0x04); input_report_key(dev, BTN_RIGHT, data[2] & 0x08); input_report_key(dev, BTN_0, data[2] & 0x01); /* up */ input_report_key(dev, BTN_1, data[2] & 0x02); /* down */ } /* start/back buttons and stick press left/right */ input_report_key(dev, BTN_START, data[2] & 0x10); input_report_key(dev, BTN_BACK, data[2] & 0x20); input_report_key(dev, BTN_THUMBL, data[2] & 0x40); input_report_key(dev, BTN_THUMBR, data[2] & 0x80); /* "analog" buttons A, B, X, Y */ input_report_key(dev, BTN_A, data[4]); input_report_key(dev, BTN_B, data[5]); input_report_key(dev, BTN_X, data[6]); input_report_key(dev, BTN_Y, data[7]); /* "analog" buttons black, white */ input_report_key(dev, BTN_C, data[8]); input_report_key(dev, BTN_Z, data[9]); input_sync(dev); } /* * xpad360_process_packet * * Completes a request by converting the data into events for the * input subsystem. It is version for xbox 360 controller * * The used report descriptor was taken from: * http://www.free60.org/wiki/Gamepad */ static void xpad360_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) { struct input_dev *dev = xpad->dev; /* digital pad */ if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) { input_report_abs(dev, ABS_HAT0X, !!(data[2] & 0x08) - !!(data[2] & 0x04)); input_report_abs(dev, ABS_HAT0Y, !!(data[2] & 0x02) - !!(data[2] & 0x01)); } else if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) { /* dpad as buttons (right, left, down, up) */ input_report_key(dev, BTN_LEFT, data[2] & 0x04); input_report_key(dev, BTN_RIGHT, data[2] & 0x08); input_report_key(dev, BTN_0, data[2] & 0x01); /* up */ input_report_key(dev, BTN_1, data[2] & 0x02); /* down */ } /* start/back buttons */ input_report_key(dev, BTN_START, data[2] & 0x10); input_report_key(dev, BTN_BACK, data[2] & 0x20); /* stick press left/right */ input_report_key(dev, BTN_THUMBL, data[2] & 0x40); input_report_key(dev, BTN_THUMBR, data[2] & 0x80); /* buttons A,B,X,Y,TL,TR and MODE */ input_report_key(dev, BTN_A, data[3] & 0x10); input_report_key(dev, BTN_B, data[3] & 0x20); input_report_key(dev, BTN_X, data[3] & 0x40); input_report_key(dev, BTN_Y, data[3] & 0x80); input_report_key(dev, BTN_TL, data[3] & 0x01); input_report_key(dev, BTN_TR, data[3] & 0x02); input_report_key(dev, BTN_MODE, data[3] & 0x04); /* left stick */ input_report_abs(dev, ABS_X, (__s16) le16_to_cpup((__le16 *)(data + 6))); input_report_abs(dev, ABS_Y, ~(__s16) le16_to_cpup((__le16 *)(data + 8))); /* right stick */ input_report_abs(dev, ABS_RX, (__s16) le16_to_cpup((__le16 *)(data + 10))); input_report_abs(dev, ABS_RY, ~(__s16) le16_to_cpup((__le16 *)(data + 12))); /* triggers left/right */ input_report_abs(dev, ABS_Z, data[4]); input_report_abs(dev, ABS_RZ, data[5]); input_sync(dev); } /* * xpad360w_process_packet * * Completes a request by converting the data into events for the * input subsystem. It is version for xbox 360 wireless controller. * * Byte.Bit * 00.1 - Status change: The controller or headset has connected/disconnected * Bits 01.7 and 01.6 are valid * 01.7 - Controller present * 01.6 - Headset present * 01.1 - Pad state (Bytes 4+) valid * */ static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) { /* Presence change */ if (data[0] & 0x08) { if (data[1] & 0x80) { xpad->pad_present = 1; usb_submit_urb(xpad->bulk_out, GFP_ATOMIC); } else xpad->pad_present = 0; } /* Valid pad data */ if (!(data[1] & 0x1)) return; xpad360_process_packet(xpad, cmd, &data[4]); } static void xpad_irq_in(struct urb *urb) { struct usb_xpad *xpad = urb->context; int retval, status; status = urb->status; switch (status) { case 0: /* success */ break; case -ECONNRESET: case -ENOENT: case -ESHUTDOWN: /* this urb is terminated, clean up */ dbg("%s - urb shutting down with status: %d", __func__, status); return; default: dbg("%s - nonzero urb status received: %d", __func__, status); goto exit; } switch (xpad->xtype) { case XTYPE_XBOX360: xpad360_process_packet(xpad, 0, xpad->idata); break; case XTYPE_XBOX360W: xpad360w_process_packet(xpad, 0, xpad->idata); break; default: xpad_process_packet(xpad, 0, xpad->idata); } exit: retval = usb_submit_urb (urb, GFP_ATOMIC); if (retval) err ("%s - usb_submit_urb failed with result %d", __func__, retval); } static void xpad_bulk_out(struct urb *urb) { switch (urb->status) { case 0: /* success */ break; case -ECONNRESET: case -ENOENT: case -ESHUTDOWN: /* this urb is terminated, clean up */ dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status); break; default: dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status); } } #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) static void xpad_irq_out(struct urb *urb) { int retval, status; status = urb->status; switch (status) { case 0: /* success */ break; case -ECONNRESET: case -ENOENT: case -ESHUTDOWN: /* this urb is terminated, clean up */ dbg("%s - urb shutting down with status: %d", __func__, status); return; default: dbg("%s - nonzero urb status received: %d", __func__, status); goto exit; } exit: retval = usb_submit_urb(urb, GFP_ATOMIC); if (retval) err("%s - usb_submit_urb failed with result %d", __func__, retval); } static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { struct usb_endpoint_descriptor *ep_irq_out; int error = -ENOMEM; if (xpad->xtype != XTYPE_XBOX360) return 0; xpad->odata = usb_buffer_alloc(xpad->udev, XPAD_PKT_LEN, GFP_KERNEL, &xpad->odata_dma); if (!xpad->odata) goto fail1; mutex_init(&xpad->odata_mutex); xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL); if (!xpad->irq_out) goto fail2; ep_irq_out = &intf->cur_altsetting->endpoint[1].desc; usb_fill_int_urb(xpad->irq_out, xpad->udev, usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress), xpad->odata, XPAD_PKT_LEN, xpad_irq_out, xpad, ep_irq_out->bInterval); xpad->irq_out->transfer_dma = xpad->odata_dma; xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; return 0; fail2: usb_buffer_free(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma); fail1: return error; } static void xpad_stop_output(struct usb_xpad *xpad) { if (xpad->xtype == XTYPE_XBOX360) usb_kill_urb(xpad->irq_out); } static void xpad_deinit_output(struct usb_xpad *xpad) { if (xpad->xtype == XTYPE_XBOX360) { usb_free_urb(xpad->irq_out); usb_buffer_free(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma); } } #else static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { return 0; } static void xpad_deinit_output(struct usb_xpad *xpad) {} static void xpad_stop_output(struct usb_xpad *xpad) {} #endif #ifdef CONFIG_JOYSTICK_XPAD_FF static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect) { struct usb_xpad *xpad = input_get_drvdata(dev); if (effect->type == FF_RUMBLE) { __u16 strong = effect->u.rumble.strong_magnitude; __u16 weak = effect->u.rumble.weak_magnitude; xpad->odata[0] = 0x00; xpad->odata[1] = 0x08; xpad->odata[2] = 0x00; xpad->odata[3] = strong / 256; xpad->odata[4] = weak / 256; xpad->odata[5] = 0x00; xpad->odata[6] = 0x00; xpad->odata[7] = 0x00; xpad->irq_out->transfer_buffer_length = 8; usb_submit_urb(xpad->irq_out, GFP_KERNEL); } return 0; } static int xpad_init_ff(struct usb_xpad *xpad) { if (xpad->xtype != XTYPE_XBOX360) return 0; input_set_capability(xpad->dev, EV_FF, FF_RUMBLE); return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect); } #else static int xpad_init_ff(struct usb_xpad *xpad) { return 0; } #endif #if defined(CONFIG_JOYSTICK_XPAD_LEDS) #include <linux/leds.h> struct xpad_led { char name[16]; struct led_classdev led_cdev; struct usb_xpad *xpad; }; static void xpad_send_led_command(struct usb_xpad *xpad, int command) { if (command >= 0 && command < 14) { mutex_lock(&xpad->odata_mutex); xpad->odata[0] = 0x01; xpad->odata[1] = 0x03; xpad->odata[2] = command; xpad->irq_out->transfer_buffer_length = 3; usb_submit_urb(xpad->irq_out, GFP_KERNEL); mutex_unlock(&xpad->odata_mutex); } } static void xpad_led_set(struct led_classdev *led_cdev, enum led_brightness value) { struct xpad_led *xpad_led = container_of(led_cdev, struct xpad_led, led_cdev); xpad_send_led_command(xpad_led->xpad, value); } static int xpad_led_probe(struct usb_xpad *xpad) { static atomic_t led_seq = ATOMIC_INIT(0); long led_no; struct xpad_led *led; struct led_classdev *led_cdev; int error; if (xpad->xtype != XTYPE_XBOX360) return 0; xpad->led = led = kzalloc(sizeof(struct xpad_led), GFP_KERNEL); if (!led) return -ENOMEM; led_no = (long)atomic_inc_return(&led_seq) - 1; snprintf(led->name, sizeof(led->name), "xpad%ld", led_no); led->xpad = xpad; led_cdev = &led->led_cdev; led_cdev->name = led->name; led_cdev->brightness_set = xpad_led_set; error = led_classdev_register(&xpad->udev->dev, led_cdev); if (error) { kfree(led); xpad->led = NULL; return error; } /* * Light up the segment corresponding to controller number */ xpad_send_led_command(xpad, (led_no % 4) + 2); return 0; } static void xpad_led_disconnect(struct usb_xpad *xpad) { struct xpad_led *xpad_led = xpad->led; if (xpad_led) { led_classdev_unregister(&xpad_led->led_cdev); kfree(xpad_led->name); } } #else static int xpad_led_probe(struct usb_xpad *xpad) { return 0; } static void xpad_led_disconnect(struct usb_xpad *xpad) { } #endif static int xpad_open(struct input_dev *dev) { struct usb_xpad *xpad = input_get_drvdata(dev); /* URB was submitted in probe */ if(xpad->xtype == XTYPE_XBOX360W) return 0; xpad->irq_in->dev = xpad->udev; if (usb_submit_urb(xpad->irq_in, GFP_KERNEL)) return -EIO; return 0; } static void xpad_close(struct input_dev *dev) { struct usb_xpad *xpad = input_get_drvdata(dev); if(xpad->xtype != XTYPE_XBOX360W) usb_kill_urb(xpad->irq_in); xpad_stop_output(xpad); } static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs) { set_bit(abs, input_dev->absbit); switch (abs) { case ABS_X: case ABS_Y: case ABS_RX: case ABS_RY: /* the two sticks */ input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128); break; case ABS_Z: case ABS_RZ: /* the triggers */ input_set_abs_params(input_dev, abs, 0, 255, 0, 0); break; case ABS_HAT0X: case ABS_HAT0Y: /* the d-pad (only if MAP_DPAD_TO_AXES) */ input_set_abs_params(input_dev, abs, -1, 1, 0, 0); break; } } static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usb_device *udev = interface_to_usbdev(intf); struct usb_xpad *xpad; struct input_dev *input_dev; struct usb_endpoint_descriptor *ep_irq_in; int i; int error = -ENOMEM; for (i = 0; xpad_device[i].idVendor; i++) { if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) && (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct)) break; } xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL); input_dev = input_allocate_device(); if (!xpad || !input_dev) goto fail1; xpad->idata = usb_buffer_alloc(udev, XPAD_PKT_LEN, GFP_KERNEL, &xpad->idata_dma); if (!xpad->idata) goto fail1; xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL); if (!xpad->irq_in) goto fail2; xpad->udev = udev; xpad->dpad_mapping = xpad_device[i].dpad_mapping; xpad->xtype = xpad_device[i].xtype; if (xpad->dpad_mapping == MAP_DPAD_UNKNOWN) xpad->dpad_mapping = !dpad_to_buttons; if (xpad->xtype == XTYPE_UNKNOWN) { if (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC) { if (intf->cur_altsetting->desc.bInterfaceProtocol == 129) xpad->xtype = XTYPE_XBOX360W; else xpad->xtype = XTYPE_XBOX360; } else xpad->xtype = XTYPE_XBOX; } xpad->dev = input_dev; usb_make_path(udev, xpad->phys, sizeof(xpad->phys)); strlcat(xpad->phys, "/input0", sizeof(xpad->phys)); input_dev->name = xpad_device[i].name; input_dev->phys = xpad->phys; usb_to_input_id(udev, &input_dev->id); input_dev->dev.parent = &intf->dev; input_set_drvdata(input_dev, xpad); input_dev->open = xpad_open; input_dev->close = xpad_close; input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); /* set up buttons */ for (i = 0; xpad_common_btn[i] >= 0; i++) set_bit(xpad_common_btn[i], input_dev->keybit); if ((xpad->xtype == XTYPE_XBOX360) || (xpad->xtype == XTYPE_XBOX360W)) for (i = 0; xpad360_btn[i] >= 0; i++) set_bit(xpad360_btn[i], input_dev->keybit); else for (i = 0; xpad_btn[i] >= 0; i++) set_bit(xpad_btn[i], input_dev->keybit); if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) for (i = 0; xpad_btn_pad[i] >= 0; i++) set_bit(xpad_btn_pad[i], input_dev->keybit); /* set up axes */ for (i = 0; xpad_abs[i] >= 0; i++) xpad_set_up_abs(input_dev, xpad_abs[i]); if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) for (i = 0; xpad_abs_pad[i] >= 0; i++) xpad_set_up_abs(input_dev, xpad_abs_pad[i]); error = xpad_init_output(intf, xpad); if (error) goto fail2; error = xpad_init_ff(xpad); if (error) goto fail3; error = xpad_led_probe(xpad); if (error) goto fail3; ep_irq_in = &intf->cur_altsetting->endpoint[0].desc; usb_fill_int_urb(xpad->irq_in, udev, usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress), xpad->idata, XPAD_PKT_LEN, xpad_irq_in, xpad, ep_irq_in->bInterval); xpad->irq_in->transfer_dma = xpad->idata_dma; xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; error = input_register_device(xpad->dev); if (error) goto fail4; usb_set_intfdata(intf, xpad); /* * Submit the int URB immediatly rather than waiting for open * because we get status messages from the device whether * or not any controllers are attached. In fact, it's * exactly the message that a controller has arrived that * we're waiting for. */ if (xpad->xtype == XTYPE_XBOX360W) { xpad->irq_in->dev = xpad->udev; error = usb_submit_urb(xpad->irq_in, GFP_KERNEL); if (error) goto fail4; /* * Setup the message to set the LEDs on the * controller when it shows up */ xpad->bulk_out = usb_alloc_urb(0, GFP_KERNEL); if(!xpad->bulk_out) goto fail5; xpad->bdata = kzalloc(XPAD_PKT_LEN, GFP_KERNEL); if(!xpad->bdata) goto fail6; xpad->bdata[2] = 0x08; switch (intf->cur_altsetting->desc.bInterfaceNumber) { case 0: xpad->bdata[3] = 0x42; break; case 2: xpad->bdata[3] = 0x43; break; case 4: xpad->bdata[3] = 0x44; break; case 6: xpad->bdata[3] = 0x45; } ep_irq_in = &intf->cur_altsetting->endpoint[1].desc; usb_fill_bulk_urb(xpad->bulk_out, udev, usb_sndbulkpipe(udev, ep_irq_in->bEndpointAddress), xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad); } return 0; fail6: usb_free_urb(xpad->bulk_out); fail5: usb_kill_urb(xpad->irq_in); fail4: usb_free_urb(xpad->irq_in); fail3: xpad_deinit_output(xpad); fail2: usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma); fail1: input_free_device(input_dev); kfree(xpad); return error; } static void xpad_disconnect(struct usb_interface *intf) { struct usb_xpad *xpad = usb_get_intfdata (intf); usb_set_intfdata(intf, NULL); if (xpad) { xpad_led_disconnect(xpad); input_unregister_device(xpad->dev); xpad_deinit_output(xpad); if (xpad->xtype == XTYPE_XBOX360W) { usb_kill_urb(xpad->bulk_out); usb_free_urb(xpad->bulk_out); usb_kill_urb(xpad->irq_in); } usb_free_urb(xpad->irq_in); usb_buffer_free(xpad->udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma); kfree(xpad); } } static struct usb_driver xpad_driver = { .name = "xpad", .probe = xpad_probe, .disconnect = xpad_disconnect, .id_table = xpad_table, }; static int __init usb_xpad_init(void) { int result = usb_register(&xpad_driver); if (result == 0) info(DRIVER_DESC); return result; } static void __exit usb_xpad_exit(void) { usb_deregister(&xpad_driver); } module_init(usb_xpad_init); module_exit(usb_xpad_exit); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL");