490 lines
13 KiB
C
490 lines
13 KiB
C
/*
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* Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
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* Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com>
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*
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* USB/RS232 I-Force joysticks and wheels.
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*/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Should you need to contact me, the author, you can do so either by
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* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
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* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
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*/
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#include "iforce.h"
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MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <johann.deneux@gmail.com>");
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MODULE_DESCRIPTION("USB/RS232 I-Force joysticks and wheels driver");
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MODULE_LICENSE("GPL");
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static signed short btn_joystick[] =
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{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE,
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BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A, BTN_B, BTN_C, -1 };
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static signed short btn_avb_pegasus[] =
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{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE,
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BTN_BASE2, BTN_BASE3, BTN_BASE4, -1 };
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static signed short btn_wheel[] =
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{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE,
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BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A, BTN_B, BTN_C, -1 };
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static signed short btn_avb_tw[] =
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{ BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE,
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BTN_BASE2, BTN_BASE3, BTN_BASE4, -1 };
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static signed short btn_avb_wheel[] =
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{ BTN_GEAR_DOWN, BTN_GEAR_UP, BTN_BASE, BTN_BASE2, BTN_BASE3,
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BTN_BASE4, BTN_BASE5, BTN_BASE6, -1 };
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static signed short abs_joystick[] =
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{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 };
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static signed short abs_joystick_rudder[] =
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{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y, -1 };
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static signed short abs_avb_pegasus[] =
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{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y,
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ABS_HAT1X, ABS_HAT1Y, -1 };
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static signed short abs_wheel[] =
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{ ABS_WHEEL, ABS_GAS, ABS_BRAKE, ABS_HAT0X, ABS_HAT0Y, -1 };
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static signed short ff_iforce[] =
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{ FF_PERIODIC, FF_CONSTANT, FF_SPRING, FF_DAMPER,
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FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP, FF_SAW_DOWN, FF_GAIN,
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FF_AUTOCENTER, -1 };
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static struct iforce_device iforce_device[] = {
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{ 0x044f, 0xa01c, "Thrustmaster Motor Sport GT", btn_wheel, abs_wheel, ff_iforce },
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{ 0x046d, 0xc281, "Logitech WingMan Force", btn_joystick, abs_joystick, ff_iforce },
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{ 0x046d, 0xc291, "Logitech WingMan Formula Force", btn_wheel, abs_wheel, ff_iforce },
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{ 0x05ef, 0x020a, "AVB Top Shot Pegasus", btn_avb_pegasus, abs_avb_pegasus, ff_iforce },
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{ 0x05ef, 0x8884, "AVB Mag Turbo Force", btn_avb_wheel, abs_wheel, ff_iforce },
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{ 0x05ef, 0x8888, "AVB Top Shot Force Feedback Racing Wheel", btn_avb_tw, abs_wheel, ff_iforce }, //?
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{ 0x061c, 0xc0a4, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce }, //?
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{ 0x061c, 0xc084, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce },
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{ 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback", btn_wheel, abs_wheel, ff_iforce }, //?
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{ 0x06f8, 0x0001, "Guillemot Jet Leader Force Feedback", btn_joystick, abs_joystick_rudder, ff_iforce },
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{ 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel", btn_wheel, abs_wheel, ff_iforce }, //?
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{ 0x06f8, 0xa302, "Guillemot Jet Leader 3D", btn_joystick, abs_joystick, ff_iforce }, //?
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{ 0x06d6, 0x29bc, "Trust Force Feedback Race Master", btn_wheel, abs_wheel, ff_iforce },
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{ 0x0000, 0x0000, "Unknown I-Force Device [%04x:%04x]", btn_joystick, abs_joystick, ff_iforce }
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};
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static int iforce_playback(struct input_dev *dev, int effect_id, int value)
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{
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struct iforce *iforce = input_get_drvdata(dev);
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struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id];
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if (value > 0)
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set_bit(FF_CORE_SHOULD_PLAY, core_effect->flags);
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else
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clear_bit(FF_CORE_SHOULD_PLAY, core_effect->flags);
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iforce_control_playback(iforce, effect_id, value);
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return 0;
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}
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static void iforce_set_gain(struct input_dev *dev, u16 gain)
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{
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struct iforce *iforce = input_get_drvdata(dev);
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unsigned char data[3];
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data[0] = gain >> 9;
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iforce_send_packet(iforce, FF_CMD_GAIN, data);
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}
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static void iforce_set_autocenter(struct input_dev *dev, u16 magnitude)
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{
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struct iforce *iforce = input_get_drvdata(dev);
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unsigned char data[3];
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data[0] = 0x03;
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data[1] = magnitude >> 9;
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iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
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data[0] = 0x04;
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data[1] = 0x01;
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iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
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}
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/*
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* Function called when an ioctl is performed on the event dev entry.
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* It uploads an effect to the device
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*/
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static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old)
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{
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struct iforce *iforce = input_get_drvdata(dev);
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struct iforce_core_effect *core_effect = &iforce->core_effects[effect->id];
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int ret;
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if (__test_and_set_bit(FF_CORE_IS_USED, core_effect->flags)) {
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/* Check the effect is not already being updated */
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if (test_bit(FF_CORE_UPDATE, core_effect->flags))
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return -EAGAIN;
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}
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/*
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* Upload the effect
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*/
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switch (effect->type) {
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case FF_PERIODIC:
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ret = iforce_upload_periodic(iforce, effect, old);
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break;
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case FF_CONSTANT:
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ret = iforce_upload_constant(iforce, effect, old);
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break;
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case FF_SPRING:
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case FF_DAMPER:
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ret = iforce_upload_condition(iforce, effect, old);
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break;
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default:
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return -EINVAL;
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}
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if (ret == 0) {
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/* A packet was sent, forbid new updates until we are notified
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* that the packet was updated
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*/
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set_bit(FF_CORE_UPDATE, core_effect->flags);
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}
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return ret;
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}
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/*
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* Erases an effect: it frees the effect id and mark as unused the memory
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* allocated for the parameters
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*/
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static int iforce_erase_effect(struct input_dev *dev, int effect_id)
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{
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struct iforce *iforce = input_get_drvdata(dev);
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struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id];
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int err = 0;
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if (test_bit(FF_MOD1_IS_USED, core_effect->flags))
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err = release_resource(&core_effect->mod1_chunk);
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if (!err && test_bit(FF_MOD2_IS_USED, core_effect->flags))
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err = release_resource(&core_effect->mod2_chunk);
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/* TODO: remember to change that if more FF_MOD* bits are added */
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core_effect->flags[0] = 0;
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return err;
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}
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static int iforce_open(struct input_dev *dev)
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{
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struct iforce *iforce = input_get_drvdata(dev);
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switch (iforce->bus) {
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#ifdef CONFIG_JOYSTICK_IFORCE_USB
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case IFORCE_USB:
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iforce->irq->dev = iforce->usbdev;
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if (usb_submit_urb(iforce->irq, GFP_KERNEL))
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return -EIO;
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break;
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#endif
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}
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if (test_bit(EV_FF, dev->evbit)) {
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/* Enable force feedback */
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iforce_send_packet(iforce, FF_CMD_ENABLE, "\004");
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}
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return 0;
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}
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static void iforce_close(struct input_dev *dev)
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{
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struct iforce *iforce = input_get_drvdata(dev);
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int i;
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if (test_bit(EV_FF, dev->evbit)) {
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/* Check: no effects should be present in memory */
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for (i = 0; i < dev->ff->max_effects; i++) {
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if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags)) {
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dev_warn(&dev->dev,
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"%s: Device still owns effects\n",
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__func__);
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break;
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}
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}
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/* Disable force feedback playback */
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iforce_send_packet(iforce, FF_CMD_ENABLE, "\001");
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/* Wait for the command to complete */
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wait_event_interruptible(iforce->wait,
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!test_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags));
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}
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switch (iforce->bus) {
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#ifdef CONFIG_JOYSTICK_IFORCE_USB
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case IFORCE_USB:
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usb_kill_urb(iforce->irq);
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usb_kill_urb(iforce->out);
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usb_kill_urb(iforce->ctrl);
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break;
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#endif
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#ifdef CONFIG_JOYSTICK_IFORCE_232
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case IFORCE_232:
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//TODO: Wait for the last packets to be sent
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break;
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#endif
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}
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}
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int iforce_init_device(struct iforce *iforce)
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{
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struct input_dev *input_dev;
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struct ff_device *ff;
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unsigned char c[] = "CEOV";
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int i, error;
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int ff_effects = 0;
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input_dev = input_allocate_device();
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if (!input_dev)
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return -ENOMEM;
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init_waitqueue_head(&iforce->wait);
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spin_lock_init(&iforce->xmit_lock);
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mutex_init(&iforce->mem_mutex);
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iforce->xmit.buf = iforce->xmit_data;
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iforce->dev = input_dev;
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/*
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* Input device fields.
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*/
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switch (iforce->bus) {
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#ifdef CONFIG_JOYSTICK_IFORCE_USB
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case IFORCE_USB:
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input_dev->id.bustype = BUS_USB;
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input_dev->dev.parent = &iforce->usbdev->dev;
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break;
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#endif
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#ifdef CONFIG_JOYSTICK_IFORCE_232
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case IFORCE_232:
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input_dev->id.bustype = BUS_RS232;
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input_dev->dev.parent = &iforce->serio->dev;
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break;
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#endif
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}
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input_set_drvdata(input_dev, iforce);
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input_dev->name = "Unknown I-Force device";
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input_dev->open = iforce_open;
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input_dev->close = iforce_close;
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/*
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* On-device memory allocation.
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*/
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iforce->device_memory.name = "I-Force device effect memory";
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iforce->device_memory.start = 0;
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iforce->device_memory.end = 200;
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iforce->device_memory.flags = IORESOURCE_MEM;
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iforce->device_memory.parent = NULL;
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iforce->device_memory.child = NULL;
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iforce->device_memory.sibling = NULL;
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/*
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* Wait until device ready - until it sends its first response.
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*/
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for (i = 0; i < 20; i++)
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if (!iforce_get_id_packet(iforce, "O"))
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break;
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if (i == 20) { /* 5 seconds */
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dev_err(&input_dev->dev,
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"Timeout waiting for response from device.\n");
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error = -ENODEV;
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goto fail;
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}
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/*
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* Get device info.
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*/
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if (!iforce_get_id_packet(iforce, "M"))
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input_dev->id.vendor = (iforce->edata[2] << 8) | iforce->edata[1];
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else
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dev_warn(&iforce->dev->dev, "Device does not respond to id packet M\n");
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if (!iforce_get_id_packet(iforce, "P"))
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input_dev->id.product = (iforce->edata[2] << 8) | iforce->edata[1];
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else
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dev_warn(&iforce->dev->dev, "Device does not respond to id packet P\n");
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if (!iforce_get_id_packet(iforce, "B"))
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iforce->device_memory.end = (iforce->edata[2] << 8) | iforce->edata[1];
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else
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dev_warn(&iforce->dev->dev, "Device does not respond to id packet B\n");
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if (!iforce_get_id_packet(iforce, "N"))
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ff_effects = iforce->edata[1];
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else
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dev_warn(&iforce->dev->dev, "Device does not respond to id packet N\n");
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/* Check if the device can store more effects than the driver can really handle */
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if (ff_effects > IFORCE_EFFECTS_MAX) {
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dev_warn(&iforce->dev->dev, "Limiting number of effects to %d (device reports %d)\n",
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IFORCE_EFFECTS_MAX, ff_effects);
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ff_effects = IFORCE_EFFECTS_MAX;
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}
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/*
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* Display additional info.
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*/
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for (i = 0; c[i]; i++)
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if (!iforce_get_id_packet(iforce, c + i))
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iforce_dump_packet("info", iforce->ecmd, iforce->edata);
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/*
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* Disable spring, enable force feedback.
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*/
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iforce_set_autocenter(input_dev, 0);
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/*
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* Find appropriate device entry
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*/
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for (i = 0; iforce_device[i].idvendor; i++)
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if (iforce_device[i].idvendor == input_dev->id.vendor &&
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iforce_device[i].idproduct == input_dev->id.product)
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break;
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iforce->type = iforce_device + i;
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input_dev->name = iforce->type->name;
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/*
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* Set input device bitfields and ranges.
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*/
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input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) |
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BIT_MASK(EV_FF_STATUS);
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for (i = 0; iforce->type->btn[i] >= 0; i++)
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set_bit(iforce->type->btn[i], input_dev->keybit);
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set_bit(BTN_DEAD, input_dev->keybit);
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for (i = 0; iforce->type->abs[i] >= 0; i++) {
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signed short t = iforce->type->abs[i];
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switch (t) {
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case ABS_X:
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case ABS_Y:
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case ABS_WHEEL:
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input_set_abs_params(input_dev, t, -1920, 1920, 16, 128);
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set_bit(t, input_dev->ffbit);
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break;
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case ABS_THROTTLE:
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case ABS_GAS:
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case ABS_BRAKE:
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input_set_abs_params(input_dev, t, 0, 255, 0, 0);
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break;
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case ABS_RUDDER:
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input_set_abs_params(input_dev, t, -128, 127, 0, 0);
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break;
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case ABS_HAT0X:
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case ABS_HAT0Y:
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case ABS_HAT1X:
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case ABS_HAT1Y:
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input_set_abs_params(input_dev, t, -1, 1, 0, 0);
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break;
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}
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}
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if (ff_effects) {
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for (i = 0; iforce->type->ff[i] >= 0; i++)
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set_bit(iforce->type->ff[i], input_dev->ffbit);
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error = input_ff_create(input_dev, ff_effects);
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if (error)
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goto fail;
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ff = input_dev->ff;
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ff->upload = iforce_upload_effect;
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ff->erase = iforce_erase_effect;
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ff->set_gain = iforce_set_gain;
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ff->set_autocenter = iforce_set_autocenter;
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ff->playback = iforce_playback;
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}
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/*
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* Register input device.
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*/
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error = input_register_device(iforce->dev);
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if (error)
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goto fail;
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return 0;
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fail: input_free_device(input_dev);
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return error;
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}
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static int __init iforce_init(void)
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{
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int err = 0;
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#ifdef CONFIG_JOYSTICK_IFORCE_USB
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err = usb_register(&iforce_usb_driver);
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if (err)
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return err;
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#endif
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#ifdef CONFIG_JOYSTICK_IFORCE_232
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err = serio_register_driver(&iforce_serio_drv);
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#ifdef CONFIG_JOYSTICK_IFORCE_USB
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if (err)
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usb_deregister(&iforce_usb_driver);
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#endif
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#endif
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return err;
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}
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static void __exit iforce_exit(void)
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{
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#ifdef CONFIG_JOYSTICK_IFORCE_USB
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usb_deregister(&iforce_usb_driver);
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#endif
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#ifdef CONFIG_JOYSTICK_IFORCE_232
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serio_unregister_driver(&iforce_serio_drv);
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#endif
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}
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|
|
|
module_init(iforce_init);
|
|
module_exit(iforce_exit);
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