2 * Copyright (c) 1998-2001 Vojtech Pavlik
4 * Based on the work of:
5 * Trystan Larey-Williams
9 * ThrustMaster DirectConnect (BSP) joystick family driver for Linux
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 * Should you need to contact me, the author, you can do so either by
28 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
29 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
32 #include <linux/delay.h>
33 #include <linux/kernel.h>
34 #include <linux/slab.h>
35 #include <linux/module.h>
36 #include <linux/init.h>
37 #include <linux/gameport.h>
38 #include <linux/input.h>
39 #include <linux/jiffies.h>
41 #define DRIVER_DESC "ThrustMaster DirectConnect joystick driver"
43 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
44 MODULE_DESCRIPTION(DRIVER_DESC
);
45 MODULE_LICENSE("GPL");
47 #define TMDC_MAX_START 600 /* 600 us */
48 #define TMDC_MAX_STROBE 60 /* 60 us */
49 #define TMDC_MAX_LENGTH 13
51 #define TMDC_MODE_M3DI 1
52 #define TMDC_MODE_3DRP 3
53 #define TMDC_MODE_AT 4
54 #define TMDC_MODE_FM 8
55 #define TMDC_MODE_FGP 163
57 #define TMDC_BYTE_ID 10
58 #define TMDC_BYTE_REV 11
59 #define TMDC_BYTE_DEF 12
62 #define TMDC_ABS_HAT 4
65 static const unsigned char tmdc_byte_a
[16] = { 0, 1, 3, 4, 6, 7 };
66 static const unsigned char tmdc_byte_d
[16] = { 2, 5, 8, 9 };
68 static const signed char tmdc_abs
[TMDC_ABS
] =
69 { ABS_X
, ABS_Y
, ABS_RUDDER
, ABS_THROTTLE
, ABS_RX
, ABS_RY
, ABS_RZ
};
70 static const signed char tmdc_abs_hat
[TMDC_ABS_HAT
] =
71 { ABS_HAT0X
, ABS_HAT0Y
, ABS_HAT1X
, ABS_HAT1Y
};
72 static const signed char tmdc_abs_at
[TMDC_ABS
] =
73 { ABS_X
, ABS_Y
, ABS_RUDDER
, -1, ABS_THROTTLE
};
74 static const signed char tmdc_abs_fm
[TMDC_ABS
] =
75 { ABS_RX
, ABS_RY
, ABS_X
, ABS_Y
};
77 static const short tmdc_btn_pad
[TMDC_BTN
] =
78 { BTN_A
, BTN_B
, BTN_C
, BTN_X
, BTN_Y
, BTN_Z
, BTN_START
, BTN_SELECT
, BTN_TL
, BTN_TR
};
79 static const short tmdc_btn_joy
[TMDC_BTN
] =
80 { BTN_TRIGGER
, BTN_THUMB
, BTN_TOP
, BTN_TOP2
, BTN_BASE
, BTN_BASE2
, BTN_THUMB2
, BTN_PINKIE
,
81 BTN_BASE3
, BTN_BASE4
, BTN_A
, BTN_B
, BTN_C
, BTN_X
, BTN_Y
, BTN_Z
};
82 static const short tmdc_btn_fm
[TMDC_BTN
] =
83 { BTN_TRIGGER
, BTN_C
, BTN_B
, BTN_A
, BTN_THUMB
, BTN_X
, BTN_Y
, BTN_Z
, BTN_TOP
, BTN_TOP2
};
84 static const short tmdc_btn_at
[TMDC_BTN
] =
85 { BTN_TRIGGER
, BTN_THUMB2
, BTN_PINKIE
, BTN_THUMB
, BTN_BASE6
, BTN_BASE5
, BTN_BASE4
,
86 BTN_BASE3
, BTN_BASE2
, BTN_BASE
};
91 } tmdc_hat_to_axis
[] = {{ 0, 0}, { 1, 0}, { 0,-1}, {-1, 0}, { 0, 1}};
93 static const struct tmdc_model
{
100 const signed char *axes
;
101 const short *buttons
;
103 { 1, "ThrustMaster Millenium 3D Inceptor", 6, 2, { 4, 2 }, { 4, 6 }, tmdc_abs
, tmdc_btn_joy
},
104 { 3, "ThrustMaster Rage 3D Gamepad", 2, 0, { 8, 2 }, { 0, 0 }, tmdc_abs
, tmdc_btn_pad
},
105 { 4, "ThrustMaster Attack Throttle", 5, 2, { 4, 6 }, { 4, 2 }, tmdc_abs_at
, tmdc_btn_at
},
106 { 8, "ThrustMaster FragMaster", 4, 0, { 8, 2 }, { 0, 0 }, tmdc_abs_fm
, tmdc_btn_fm
},
107 { 163, "Thrustmaster Fusion GamePad", 2, 0, { 8, 2 }, { 0, 0 }, tmdc_abs
, tmdc_btn_pad
},
108 { 0, "Unknown %d-axis, %d-button TM device %d", 0, 0, { 0, 0 }, { 0, 0 }, tmdc_abs
, tmdc_btn_joy
}
113 struct input_dev
*dev
;
117 const signed char *abs
;
120 unsigned char btnc
[4];
121 unsigned char btno
[4];
125 struct gameport
*gameport
;
126 struct tmdc_port
*port
[2];
129 unsigned char exists
;
133 * tmdc_read_packet() reads a ThrustMaster packet.
136 static int tmdc_read_packet(struct gameport
*gameport
, unsigned char data
[2][TMDC_MAX_LENGTH
])
138 unsigned char u
, v
, w
, x
;
140 int i
[2], j
[2], t
[2], p
, k
;
142 p
= gameport_time(gameport
, TMDC_MAX_STROBE
);
144 for (k
= 0; k
< 2; k
++) {
145 t
[k
] = gameport_time(gameport
, TMDC_MAX_START
);
149 local_irq_save(flags
);
150 gameport_trigger(gameport
);
152 w
= gameport_read(gameport
) >> 4;
156 w
= gameport_read(gameport
) >> 4;
158 for (k
= 0, v
= w
, u
= x
; k
< 2; k
++, v
>>= 2, u
>>= 2) {
160 if (t
[k
] <= 0 || i
[k
] >= TMDC_MAX_LENGTH
) continue;
162 if (j
[k
] == 0) { /* Start bit */
163 if (~v
& 1) t
[k
] = 0;
164 data
[k
][i
[k
]] = 0; j
[k
]++; continue;
166 if (j
[k
] == 9) { /* Stop bit */
168 j
[k
] = 0; i
[k
]++; continue;
170 data
[k
][i
[k
]] |= (~v
& 1) << (j
[k
]++ - 1); /* Data bit */
174 } while (t
[0] > 0 || t
[1] > 0);
176 local_irq_restore(flags
);
178 return (i
[0] == TMDC_MAX_LENGTH
) | ((i
[1] == TMDC_MAX_LENGTH
) << 1);
181 static int tmdc_parse_packet(struct tmdc_port
*port
, unsigned char *data
)
185 if (data
[TMDC_BYTE_ID
] != port
->mode
)
188 for (i
= 0; i
< port
->absc
; i
++) {
189 if (port
->abs
[i
] < 0)
192 input_report_abs(port
->dev
, port
->abs
[i
], data
[tmdc_byte_a
[i
]]);
195 switch (port
->mode
) {
200 input_report_abs(port
->dev
, ABS_HAT0X
, ((data
[i
] >> 3) & 1) - ((data
[i
] >> 1) & 1));
201 input_report_abs(port
->dev
, ABS_HAT0Y
, ((data
[i
] >> 2) & 1) - ( data
[i
] & 1));
207 input_report_abs(port
->dev
, ABS_HAT0X
, tmdc_hat_to_axis
[(data
[i
] - 141) / 25].x
);
208 input_report_abs(port
->dev
, ABS_HAT0Y
, tmdc_hat_to_axis
[(data
[i
] - 141) / 25].y
);
213 for (k
= l
= 0; k
< 4; k
++) {
214 for (i
= 0; i
< port
->btnc
[k
]; i
++)
215 input_report_key(port
->dev
, port
->btn
[i
+ l
],
216 ((data
[tmdc_byte_d
[k
]] >> (i
+ port
->btno
[k
])) & 1));
220 input_sync(port
->dev
);
226 * tmdc_poll() reads and analyzes ThrustMaster joystick data.
229 static void tmdc_poll(struct gameport
*gameport
)
231 unsigned char data
[2][TMDC_MAX_LENGTH
];
232 struct tmdc
*tmdc
= gameport_get_drvdata(gameport
);
233 unsigned char r
, bad
= 0;
238 if ((r
= tmdc_read_packet(tmdc
->gameport
, data
)) != tmdc
->exists
)
241 for (i
= 0; i
< 2; i
++) {
242 if (r
& (1 << i
) & tmdc
->exists
) {
244 if (tmdc_parse_packet(tmdc
->port
[i
], data
[i
]))
253 static int tmdc_open(struct input_dev
*dev
)
255 struct tmdc
*tmdc
= input_get_drvdata(dev
);
257 gameport_start_polling(tmdc
->gameport
);
261 static void tmdc_close(struct input_dev
*dev
)
263 struct tmdc
*tmdc
= input_get_drvdata(dev
);
265 gameport_stop_polling(tmdc
->gameport
);
268 static int tmdc_setup_port(struct tmdc
*tmdc
, int idx
, unsigned char *data
)
270 const struct tmdc_model
*model
;
271 struct tmdc_port
*port
;
272 struct input_dev
*input_dev
;
276 tmdc
->port
[idx
] = port
= kzalloc(sizeof (struct tmdc_port
), GFP_KERNEL
);
277 input_dev
= input_allocate_device();
278 if (!port
|| !input_dev
) {
283 port
->mode
= data
[TMDC_BYTE_ID
];
285 for (model
= tmdc_models
; model
->id
&& model
->id
!= port
->mode
; model
++)
288 port
->abs
= model
->axes
;
289 port
->btn
= model
->buttons
;
292 port
->absc
= data
[TMDC_BYTE_DEF
] >> 4;
293 for (i
= 0; i
< 4; i
++)
294 port
->btnc
[i
] = i
< (data
[TMDC_BYTE_DEF
] & 0xf) ? 8 : 0;
296 port
->absc
= model
->abs
;
297 for (i
= 0; i
< 4; i
++)
298 port
->btnc
[i
] = model
->btnc
[i
];
301 for (i
= 0; i
< 4; i
++)
302 port
->btno
[i
] = model
->btno
[i
];
304 snprintf(port
->name
, sizeof(port
->name
), model
->name
,
305 port
->absc
, (data
[TMDC_BYTE_DEF
] & 0xf) << 3, port
->mode
);
306 snprintf(port
->phys
, sizeof(port
->phys
), "%s/input%d", tmdc
->gameport
->phys
, i
);
308 port
->dev
= input_dev
;
310 input_dev
->name
= port
->name
;
311 input_dev
->phys
= port
->phys
;
312 input_dev
->id
.bustype
= BUS_GAMEPORT
;
313 input_dev
->id
.vendor
= GAMEPORT_ID_VENDOR_THRUSTMASTER
;
314 input_dev
->id
.product
= model
->id
;
315 input_dev
->id
.version
= 0x0100;
316 input_dev
->dev
.parent
= &tmdc
->gameport
->dev
;
318 input_set_drvdata(input_dev
, tmdc
);
320 input_dev
->open
= tmdc_open
;
321 input_dev
->close
= tmdc_close
;
323 input_dev
->evbit
[0] = BIT_MASK(EV_KEY
) | BIT_MASK(EV_ABS
);
325 for (i
= 0; i
< port
->absc
&& i
< TMDC_ABS
; i
++)
326 if (port
->abs
[i
] >= 0)
327 input_set_abs_params(input_dev
, port
->abs
[i
], 8, 248, 2, 4);
329 for (i
= 0; i
< model
->hats
&& i
< TMDC_ABS_HAT
; i
++)
330 input_set_abs_params(input_dev
, tmdc_abs_hat
[i
], -1, 1, 0, 0);
332 for (i
= 0; i
< 4; i
++) {
333 for (j
= 0; j
< port
->btnc
[i
] && j
< TMDC_BTN
; j
++)
334 set_bit(port
->btn
[j
+ b
], input_dev
->keybit
);
338 err
= input_register_device(port
->dev
);
344 fail
: input_free_device(input_dev
);
350 * tmdc_probe() probes for ThrustMaster type joysticks.
353 static int tmdc_connect(struct gameport
*gameport
, struct gameport_driver
*drv
)
355 unsigned char data
[2][TMDC_MAX_LENGTH
];
360 if (!(tmdc
= kzalloc(sizeof(struct tmdc
), GFP_KERNEL
)))
363 tmdc
->gameport
= gameport
;
365 gameport_set_drvdata(gameport
, tmdc
);
367 err
= gameport_open(gameport
, drv
, GAMEPORT_MODE_RAW
);
371 if (!(tmdc
->exists
= tmdc_read_packet(gameport
, data
))) {
376 gameport_set_poll_handler(gameport
, tmdc_poll
);
377 gameport_set_poll_interval(gameport
, 20);
379 for (i
= 0; i
< 2; i
++) {
380 if (tmdc
->exists
& (1 << i
)) {
382 err
= tmdc_setup_port(tmdc
, i
, data
[i
]);
390 fail3
: while (--i
>= 0) {
392 input_unregister_device(tmdc
->port
[i
]->dev
);
393 kfree(tmdc
->port
[i
]);
396 fail2
: gameport_close(gameport
);
397 fail1
: gameport_set_drvdata(gameport
, NULL
);
402 static void tmdc_disconnect(struct gameport
*gameport
)
404 struct tmdc
*tmdc
= gameport_get_drvdata(gameport
);
407 for (i
= 0; i
< 2; i
++) {
409 input_unregister_device(tmdc
->port
[i
]->dev
);
410 kfree(tmdc
->port
[i
]);
413 gameport_close(gameport
);
414 gameport_set_drvdata(gameport
, NULL
);
418 static struct gameport_driver tmdc_drv
= {
421 .owner
= THIS_MODULE
,
423 .description
= DRIVER_DESC
,
424 .connect
= tmdc_connect
,
425 .disconnect
= tmdc_disconnect
,
428 static int __init
tmdc_init(void)
430 return gameport_register_driver(&tmdc_drv
);
433 static void __exit
tmdc_exit(void)
435 gameport_unregister_driver(&tmdc_drv
);
438 module_init(tmdc_init
);
439 module_exit(tmdc_exit
);