2 * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
3 * Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com>
5 * USB/RS232 I-Force joysticks and wheels.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <johann.deneux@gmail.com>");
27 MODULE_DESCRIPTION("Core I-Force joysticks and wheels driver");
28 MODULE_LICENSE("GPL");
30 static signed short btn_joystick[] =
31 { BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE,
32 BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A,
33 BTN_B, BTN_C, BTN_DEAD, -1 };
35 static signed short btn_joystick_avb[] =
36 { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE,
37 BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_DEAD, -1 };
39 static signed short btn_wheel[] =
40 { BTN_GEAR_DOWN, BTN_GEAR_UP, BTN_BASE, BTN_BASE2, BTN_BASE3,
41 BTN_BASE4, BTN_BASE5, BTN_BASE6, -1 };
43 static signed short abs_joystick[] =
44 { ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 };
46 static signed short abs_joystick_rudder[] =
47 { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y, -1 };
49 static signed short abs_avb_pegasus[] =
50 { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y,
51 ABS_HAT1X, ABS_HAT1Y, -1 };
53 static signed short abs_wheel[] =
54 { ABS_WHEEL, ABS_GAS, ABS_BRAKE, ABS_HAT0X, ABS_HAT0Y, -1 };
56 static signed short ff_iforce[] =
57 { FF_PERIODIC, FF_CONSTANT, FF_SPRING, FF_DAMPER,
58 FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP, FF_SAW_DOWN, FF_GAIN,
61 static struct iforce_device iforce_device[] = {
62 { 0x044f, 0xa01c, "Thrustmaster Motor Sport GT", btn_wheel, abs_wheel, ff_iforce },
63 { 0x046d, 0xc281, "Logitech WingMan Force", btn_joystick, abs_joystick, ff_iforce },
64 { 0x046d, 0xc291, "Logitech WingMan Formula Force", btn_wheel, abs_wheel, ff_iforce },
65 { 0x05ef, 0x020a, "AVB Top Shot Pegasus", btn_joystick_avb, abs_avb_pegasus, ff_iforce },
66 { 0x05ef, 0x8884, "AVB Mag Turbo Force", btn_wheel, abs_wheel, ff_iforce },
67 { 0x05ef, 0x8888, "AVB Top Shot Force Feedback Racing Wheel", btn_wheel, abs_wheel, ff_iforce }, //?
68 { 0x061c, 0xc0a4, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce }, //?
69 { 0x061c, 0xc084, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce },
70 { 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback", btn_wheel, abs_wheel, ff_iforce }, //?
71 { 0x06f8, 0x0001, "Guillemot Jet Leader Force Feedback", btn_joystick, abs_joystick_rudder, ff_iforce },
72 { 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel", btn_wheel, abs_wheel, ff_iforce }, //?
73 { 0x06f8, 0xa302, "Guillemot Jet Leader 3D", btn_joystick, abs_joystick, ff_iforce }, //?
74 { 0x06d6, 0x29bc, "Trust Force Feedback Race Master", btn_wheel, abs_wheel, ff_iforce },
75 { 0x0000, 0x0000, "Unknown I-Force Device [%04x:%04x]", btn_joystick, abs_joystick, ff_iforce }
78 static int iforce_playback(struct input_dev *dev, int effect_id, int value)
80 struct iforce *iforce = input_get_drvdata(dev);
81 struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id];
84 set_bit(FF_CORE_SHOULD_PLAY, core_effect->flags);
86 clear_bit(FF_CORE_SHOULD_PLAY, core_effect->flags);
88 iforce_control_playback(iforce, effect_id, value);
92 static void iforce_set_gain(struct input_dev *dev, u16 gain)
94 struct iforce *iforce = input_get_drvdata(dev);
95 unsigned char data[3];
98 iforce_send_packet(iforce, FF_CMD_GAIN, data);
101 static void iforce_set_autocenter(struct input_dev *dev, u16 magnitude)
103 struct iforce *iforce = input_get_drvdata(dev);
104 unsigned char data[3];
107 data[1] = magnitude >> 9;
108 iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
112 iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
116 * Function called when an ioctl is performed on the event dev entry.
117 * It uploads an effect to the device
119 static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old)
121 struct iforce *iforce = input_get_drvdata(dev);
122 struct iforce_core_effect *core_effect = &iforce->core_effects[effect->id];
125 if (__test_and_set_bit(FF_CORE_IS_USED, core_effect->flags)) {
126 /* Check the effect is not already being updated */
127 if (test_bit(FF_CORE_UPDATE, core_effect->flags))
134 switch (effect->type) {
137 ret = iforce_upload_periodic(iforce, effect, old);
141 ret = iforce_upload_constant(iforce, effect, old);
146 ret = iforce_upload_condition(iforce, effect, old);
154 /* A packet was sent, forbid new updates until we are notified
155 * that the packet was updated
157 set_bit(FF_CORE_UPDATE, core_effect->flags);
163 * Erases an effect: it frees the effect id and mark as unused the memory
164 * allocated for the parameters
166 static int iforce_erase_effect(struct input_dev *dev, int effect_id)
168 struct iforce *iforce = input_get_drvdata(dev);
169 struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id];
172 if (test_bit(FF_MOD1_IS_USED, core_effect->flags))
173 err = release_resource(&core_effect->mod1_chunk);
175 if (!err && test_bit(FF_MOD2_IS_USED, core_effect->flags))
176 err = release_resource(&core_effect->mod2_chunk);
178 /* TODO: remember to change that if more FF_MOD* bits are added */
179 core_effect->flags[0] = 0;
184 static int iforce_open(struct input_dev *dev)
186 struct iforce *iforce = input_get_drvdata(dev);
188 iforce->xport_ops->start_io(iforce);
190 if (test_bit(EV_FF, dev->evbit)) {
191 /* Enable force feedback */
192 iforce_send_packet(iforce, FF_CMD_ENABLE, "\004");
198 static void iforce_close(struct input_dev *dev)
200 struct iforce *iforce = input_get_drvdata(dev);
203 if (test_bit(EV_FF, dev->evbit)) {
204 /* Check: no effects should be present in memory */
205 for (i = 0; i < dev->ff->max_effects; i++) {
206 if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags)) {
208 "%s: Device still owns effects\n",
214 /* Disable force feedback playback */
215 iforce_send_packet(iforce, FF_CMD_ENABLE, "\001");
216 /* Wait for the command to complete */
217 wait_event_interruptible(iforce->wait,
218 !test_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags));
221 iforce->xport_ops->stop_io(iforce);
224 int iforce_init_device(struct device *parent, u16 bustype,
225 struct iforce *iforce)
227 struct input_dev *input_dev;
228 struct ff_device *ff;
229 unsigned char c[] = "CEOV";
233 input_dev = input_allocate_device();
237 init_waitqueue_head(&iforce->wait);
238 spin_lock_init(&iforce->xmit_lock);
239 mutex_init(&iforce->mem_mutex);
240 iforce->xmit.buf = iforce->xmit_data;
241 iforce->dev = input_dev;
244 * Input device fields.
247 input_dev->id.bustype = bustype;
248 input_dev->dev.parent = parent;
250 input_set_drvdata(input_dev, iforce);
252 input_dev->name = "Unknown I-Force device";
253 input_dev->open = iforce_open;
254 input_dev->close = iforce_close;
257 * On-device memory allocation.
260 iforce->device_memory.name = "I-Force device effect memory";
261 iforce->device_memory.start = 0;
262 iforce->device_memory.end = 200;
263 iforce->device_memory.flags = IORESOURCE_MEM;
264 iforce->device_memory.parent = NULL;
265 iforce->device_memory.child = NULL;
266 iforce->device_memory.sibling = NULL;
269 * Wait until device ready - until it sends its first response.
272 for (i = 0; i < 20; i++)
273 if (!iforce_get_id_packet(iforce, "O"))
276 if (i == 20) { /* 5 seconds */
277 dev_err(&input_dev->dev,
278 "Timeout waiting for response from device.\n");
287 if (!iforce_get_id_packet(iforce, "M"))
288 input_dev->id.vendor = (iforce->edata[2] << 8) | iforce->edata[1];
290 dev_warn(&iforce->dev->dev, "Device does not respond to id packet M\n");
292 if (!iforce_get_id_packet(iforce, "P"))
293 input_dev->id.product = (iforce->edata[2] << 8) | iforce->edata[1];
295 dev_warn(&iforce->dev->dev, "Device does not respond to id packet P\n");
297 if (!iforce_get_id_packet(iforce, "B"))
298 iforce->device_memory.end = (iforce->edata[2] << 8) | iforce->edata[1];
300 dev_warn(&iforce->dev->dev, "Device does not respond to id packet B\n");
302 if (!iforce_get_id_packet(iforce, "N"))
303 ff_effects = iforce->edata[1];
305 dev_warn(&iforce->dev->dev, "Device does not respond to id packet N\n");
307 /* Check if the device can store more effects than the driver can really handle */
308 if (ff_effects > IFORCE_EFFECTS_MAX) {
309 dev_warn(&iforce->dev->dev, "Limiting number of effects to %d (device reports %d)\n",
310 IFORCE_EFFECTS_MAX, ff_effects);
311 ff_effects = IFORCE_EFFECTS_MAX;
315 * Display additional info.
318 for (i = 0; c[i]; i++)
319 if (!iforce_get_id_packet(iforce, c + i))
320 iforce_dump_packet(iforce, "info", iforce->ecmd, iforce->edata);
323 * Disable spring, enable force feedback.
325 iforce_set_autocenter(input_dev, 0);
328 * Find appropriate device entry
331 for (i = 0; iforce_device[i].idvendor; i++)
332 if (iforce_device[i].idvendor == input_dev->id.vendor &&
333 iforce_device[i].idproduct == input_dev->id.product)
336 iforce->type = iforce_device + i;
337 input_dev->name = iforce->type->name;
340 * Set input device bitfields and ranges.
343 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) |
344 BIT_MASK(EV_FF_STATUS);
346 for (i = 0; iforce->type->btn[i] >= 0; i++)
347 set_bit(iforce->type->btn[i], input_dev->keybit);
349 for (i = 0; iforce->type->abs[i] >= 0; i++) {
351 signed short t = iforce->type->abs[i];
359 input_set_abs_params(input_dev, t, -1920, 1920, 16, 128);
360 set_bit(t, input_dev->ffbit);
367 input_set_abs_params(input_dev, t, 0, 255, 0, 0);
372 input_set_abs_params(input_dev, t, -128, 127, 0, 0);
380 input_set_abs_params(input_dev, t, -1, 1, 0, 0);
387 for (i = 0; iforce->type->ff[i] >= 0; i++)
388 set_bit(iforce->type->ff[i], input_dev->ffbit);
390 error = input_ff_create(input_dev, ff_effects);
395 ff->upload = iforce_upload_effect;
396 ff->erase = iforce_erase_effect;
397 ff->set_gain = iforce_set_gain;
398 ff->set_autocenter = iforce_set_autocenter;
399 ff->playback = iforce_playback;
402 * Register input device.
405 error = input_register_device(iforce->dev);
411 fail: input_free_device(input_dev);
414 EXPORT_SYMBOL(iforce_init_device);