555 lines
14 KiB
C
555 lines
14 KiB
C
/*
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* $Id: iforce-main.c,v 1.19 2002/07/07 10:22:50 jdeneux Exp $
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*
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* Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
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* Copyright (c) 2001-2002 Johann Deneux <deneux@ifrance.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 <deneux@ifrance.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_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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{ 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback", btn_wheel, abs_wheel, ff_iforce }, //?
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{ 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel", btn_wheel, abs_wheel, ff_iforce }, //?
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{ 0x06f8, 0x0004, "Gullemot Jet Leader 3D", btn_joystick, abs_joystick, 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_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
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{
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struct iforce* iforce = (struct iforce*)(dev->private);
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unsigned char data[3];
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if (type != EV_FF)
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return -1;
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switch (code) {
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case FF_GAIN:
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data[0] = value >> 9;
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iforce_send_packet(iforce, FF_CMD_GAIN, data);
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return 0;
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case FF_AUTOCENTER:
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data[0] = 0x03;
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data[1] = value >> 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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return 0;
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default: /* Play or stop an effect */
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if (!CHECK_OWNERSHIP(code, iforce)) {
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return -1;
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}
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if (value > 0) {
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set_bit(FF_CORE_SHOULD_PLAY, iforce->core_effects[code].flags);
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}
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else {
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clear_bit(FF_CORE_SHOULD_PLAY, iforce->core_effects[code].flags);
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}
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iforce_control_playback(iforce, code, value);
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return 0;
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}
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return -1;
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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)
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{
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struct iforce* iforce = (struct iforce*)(dev->private);
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int id;
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int ret;
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int is_update;
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/* Check this effect type is supported by this device */
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if (!test_bit(effect->type, iforce->dev->ffbit))
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return -EINVAL;
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/*
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* If we want to create a new effect, get a free id
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*/
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if (effect->id == -1) {
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for (id = 0; id < FF_EFFECTS_MAX; ++id)
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if (!test_and_set_bit(FF_CORE_IS_USED, iforce->core_effects[id].flags))
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break;
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if (id == FF_EFFECTS_MAX || id >= iforce->dev->ff_effects_max)
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return -ENOMEM;
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effect->id = id;
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iforce->core_effects[id].owner = current->pid;
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iforce->core_effects[id].flags[0] = (1 << FF_CORE_IS_USED); /* Only IS_USED bit must be set */
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is_update = FALSE;
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}
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else {
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/* We want to update an effect */
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if (!CHECK_OWNERSHIP(effect->id, iforce))
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return -EACCES;
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/* Parameter type cannot be updated */
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if (effect->type != iforce->core_effects[effect->id].effect.type)
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return -EINVAL;
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/* Check the effect is not already being updated */
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if (test_bit(FF_CORE_UPDATE, iforce->core_effects[effect->id].flags))
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return -EAGAIN;
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is_update = TRUE;
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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, is_update);
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break;
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case FF_CONSTANT:
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ret = iforce_upload_constant(iforce, effect, is_update);
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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, is_update);
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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, iforce->core_effects[effect->id].flags);
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}
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iforce->core_effects[effect->id].effect = *effect;
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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 = (struct iforce*)(dev->private);
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int err = 0;
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struct iforce_core_effect* core_effect;
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/* Check who is trying to erase this effect */
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if (iforce->core_effects[effect_id].owner != current->pid) {
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printk(KERN_WARNING "iforce-main.c: %d tried to erase an effect belonging to %d\n", current->pid, iforce->core_effects[effect_id].owner);
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return -EACCES;
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}
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if (effect_id < 0 || effect_id >= FF_EFFECTS_MAX)
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return -EINVAL;
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core_effect = iforce->core_effects + effect_id;
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if (test_bit(FF_MOD1_IS_USED, core_effect->flags))
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err = release_resource(&(iforce->core_effects[effect_id].mod1_chunk));
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if (!err && test_bit(FF_MOD2_IS_USED, core_effect->flags))
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err = release_resource(&(iforce->core_effects[effect_id].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 = dev->private;
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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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/* Enable force feedback */
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iforce_send_packet(iforce, FF_CMD_ENABLE, "\004");
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return 0;
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}
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static int iforce_flush(struct input_dev *dev, struct file *file)
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{
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struct iforce *iforce = dev->private;
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int i;
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/* Erase all effects this process owns */
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for (i=0; i<dev->ff_effects_max; ++i) {
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if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags) &&
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current->pid == iforce->core_effects[i].owner) {
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/* Stop effect */
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input_report_ff(dev, i, 0);
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/* Free ressources assigned to effect */
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if (iforce_erase_effect(dev, i)) {
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printk(KERN_WARNING "iforce_flush: erase effect %d failed\n", i);
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}
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}
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}
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return 0;
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}
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static void iforce_release(struct input_dev *dev)
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{
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struct iforce *iforce = dev->private;
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int i;
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/* Check: no effect should be present in memory */
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for (i=0; i<dev->ff_effects_max; ++i) {
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if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags))
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break;
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}
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if (i<dev->ff_effects_max) {
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printk(KERN_WARNING "iforce_release: Device still owns effects\n");
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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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switch (iforce->bus) {
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#ifdef CONFIG_JOYSTICK_IFORCE_USB
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case IFORCE_USB:
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usb_unlink_urb(iforce->irq);
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/* The device was unplugged before the file
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* was released */
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if (iforce->usbdev == NULL) {
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iforce_delete_device(iforce);
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kfree(iforce);
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}
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break;
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#endif
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}
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}
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void iforce_delete_device(struct iforce *iforce)
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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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iforce_usb_delete(iforce);
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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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unsigned char c[] = "CEOV";
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int i;
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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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init_MUTEX(&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->cdev.dev = &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->cdev.dev = &iforce->serio->dev;
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break;
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#endif
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}
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input_dev->private = 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_release;
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input_dev->flush = iforce_flush;
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input_dev->event = iforce_input_event;
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input_dev->upload_effect = iforce_upload_effect;
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input_dev->erase_effect = iforce_erase_effect;
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input_dev->ff_effects_max = 10;
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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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printk(KERN_ERR "iforce-main.c: Timeout waiting for response from device.\n");
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input_free_device(input_dev);
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return -ENODEV;
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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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printk(KERN_WARNING "iforce-main.c: 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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printk(KERN_WARNING "iforce-main.c: 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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printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet B\n");
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if (!iforce_get_id_packet(iforce, "N"))
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iforce->dev->ff_effects_max = iforce->edata[1];
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else
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printk(KERN_WARNING "iforce-main.c: 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 (iforce->dev->ff_effects_max > FF_EFFECTS_MAX) {
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printk(KERN_WARNING "input??: Device can handle %d effects, but N_EFFECTS_MAX is set to %d in iforce.h\n",
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iforce->dev->ff_effects_max, FF_EFFECTS_MAX);
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iforce->dev->ff_effects_max = FF_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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* FIXME: We should use iforce_set_autocenter() et al here.
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*/
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iforce_send_packet(iforce, FF_CMD_AUTOCENTER, "\004\000");
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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(EV_KEY) | BIT(EV_ABS) | BIT(EV_FF) | BIT(EV_FF_STATUS);
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for (i = 0; iforce->type->btn[i] >= 0; i++) {
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signed short t = iforce->type->btn[i];
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set_bit(t, input_dev->keybit);
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}
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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];
|
|
|
|
switch (t) {
|
|
|
|
case ABS_X:
|
|
case ABS_Y:
|
|
case ABS_WHEEL:
|
|
|
|
input_set_abs_params(input_dev, t, -1920, 1920, 16, 128);
|
|
set_bit(t, input_dev->ffbit);
|
|
break;
|
|
|
|
case ABS_THROTTLE:
|
|
case ABS_GAS:
|
|
case ABS_BRAKE:
|
|
|
|
input_set_abs_params(input_dev, t, 0, 255, 0, 0);
|
|
break;
|
|
|
|
case ABS_RUDDER:
|
|
|
|
input_set_abs_params(input_dev, t, -128, 127, 0, 0);
|
|
break;
|
|
|
|
case ABS_HAT0X:
|
|
case ABS_HAT0Y:
|
|
case ABS_HAT1X:
|
|
case ABS_HAT1Y:
|
|
|
|
input_set_abs_params(input_dev, t, -1, 1, 0, 0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (i = 0; iforce->type->ff[i] >= 0; i++)
|
|
set_bit(iforce->type->ff[i], input_dev->ffbit);
|
|
|
|
/*
|
|
* Register input device.
|
|
*/
|
|
|
|
input_register_device(iforce->dev);
|
|
|
|
printk(KERN_DEBUG "iforce->dev->open = %p\n", iforce->dev->open);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __init iforce_init(void)
|
|
{
|
|
#ifdef CONFIG_JOYSTICK_IFORCE_USB
|
|
usb_register(&iforce_usb_driver);
|
|
#endif
|
|
#ifdef CONFIG_JOYSTICK_IFORCE_232
|
|
serio_register_driver(&iforce_serio_drv);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static void __exit iforce_exit(void)
|
|
{
|
|
#ifdef CONFIG_JOYSTICK_IFORCE_USB
|
|
usb_deregister(&iforce_usb_driver);
|
|
#endif
|
|
#ifdef CONFIG_JOYSTICK_IFORCE_232
|
|
serio_unregister_driver(&iforce_serio_drv);
|
|
#endif
|
|
}
|
|
|
|
module_init(iforce_init);
|
|
module_exit(iforce_exit);
|