1 // SPDX-License-Identifier: GPL-2.0-or-later
3  *  Copyright (c) 1998-2001 Vojtech Pavlik
7  * FP-Gaming Assassin 3D joystick driver for Linux
20 #define DRIVER_DESC	"FP-Gaming Assassin 3D joystick driver"
35 static char *a3d_names[] = { NULL, "FP-Gaming Assassin 3D", "MadCatz Panther", "OEM Panther",
40 	struct gameport *adc;  member
71 		t--;  in a3d_read_packet()
92 	for (i = 0; i < count - 2; i++)  in a3d_csum()
94 	return (csum & 0x3f) != ((data[count - 2] << 3) | data[count - 1]);  in a3d_csum()
99 	struct input_dev *dev = a3d->dev;  in a3d_read()
101 	switch (a3d->mode) {  in a3d_read()
107 …	input_report_rel(dev, REL_X, ((data[5] << 6) | (data[6] << 3) | data[ 7]) - ((data[5] & 4) << 7));  in a3d_read()
108 …	input_report_rel(dev, REL_Y, ((data[8] << 6) | (data[9] << 3) | data[10]) - ((data[8] & 4) << 7));  in a3d_read()
116 			a3d->axes[0] = ((signed char)((data[11] << 6) | (data[12] << 3) | (data[13]))) + 128;  in a3d_read()
117 			a3d->axes[1] = ((signed char)((data[14] << 6) | (data[15] << 3) | (data[16]))) + 128;  in a3d_read()
118 			a3d->axes[2] = ((signed char)((data[17] << 6) | (data[18] << 3) | (data[19]))) + 128;  in a3d_read()
119 			a3d->axes[3] = ((signed char)((data[20] << 6) | (data[21] << 3) | (data[22]))) + 128;  in a3d_read()
121 			a3d->buttons = ((data[3] << 3) | data[4]) & 0xf;  in a3d_read()
127 …input_report_rel(dev, REL_X, ((data[ 9] << 6) | (data[10] << 3) | data[11]) - ((data[ 9] & 4) << 7…  in a3d_read()
128 …input_report_rel(dev, REL_Y, ((data[12] << 6) | (data[13] << 3) | data[14]) - ((data[12] & 4) << 7…  in a3d_read()
141 			input_report_abs(dev, ABS_HAT0X, ( data[5]       & 1) - ((data[5] >> 2) & 1));  in a3d_read()
142 			input_report_abs(dev, ABS_HAT0Y, ((data[5] >> 1) & 1) - ((data[6] >> 2) & 1));  in a3d_read()
143 			input_report_abs(dev, ABS_HAT1X, ((data[4] >> 1) & 1) - ( data[3]       & 1));  in a3d_read()
144 			input_report_abs(dev, ABS_HAT1Y, ((data[4] >> 2) & 1) - ( data[4]       & 1));  in a3d_read()
159  * a3d_poll() reads and analyzes A3D joystick data.
167 	a3d->reads++;  in a3d_poll()
168 	if (a3d_read_packet(a3d->gameport, a3d->length, data) != a3d->length ||  in a3d_poll()
169 	    data[0] != a3d->mode || a3d_csum(data, a3d->length))  in a3d_poll()
170 		a3d->bads++;  in a3d_poll()
183 	struct a3d *a3d = gameport->port_data;  in a3d_adc_cooked_read()
187 		axes[i] = (a3d->axes[i] < 254) ? a3d->axes[i] : -1;  in a3d_adc_cooked_read()
188 	*buttons = a3d->buttons;  in a3d_adc_cooked_read()
199 	struct a3d *a3d = gameport->port_data;  in a3d_adc_open()
202 		return -1;  in a3d_adc_open()
204 	gameport_start_polling(a3d->gameport);  in a3d_adc_open()
214 	struct a3d *a3d = gameport->port_data;  in a3d_adc_close()
216 	gameport_stop_polling(a3d->gameport);  in a3d_adc_close()
227 	gameport_start_polling(a3d->gameport);  in a3d_open()
239 	gameport_stop_polling(a3d->gameport);  in a3d_close()
250 	struct gameport *adc;  in a3d_connect()  local
258 		err = -ENOMEM;  in a3d_connect()
262 	a3d->dev = input_dev;  in a3d_connect()
263 	a3d->gameport = gameport;  in a3d_connect()
274 		err = -ENODEV;  in a3d_connect()
278 	a3d->mode = data[0];  in a3d_connect()
280 	if (!a3d->mode || a3d->mode > 5) {  in a3d_connect()
282 			"(%s, id=%d), contact <vojtech@ucw.cz>\n", gameport->phys, a3d->mode);  in a3d_connect()
283 		err = -ENODEV;  in a3d_connect()
290 	snprintf(a3d->phys, sizeof(a3d->phys), "%s/input0", gameport->phys);  in a3d_connect()
292 	input_dev->name = a3d_names[a3d->mode];  in a3d_connect()
293 	input_dev->phys = a3d->phys;  in a3d_connect()
294 	input_dev->id.bustype = BUS_GAMEPORT;  in a3d_connect()
295 	input_dev->id.vendor = GAMEPORT_ID_VENDOR_MADCATZ;  in a3d_connect()
296 	input_dev->id.product = a3d->mode;  in a3d_connect()
297 	input_dev->id.version = 0x0100;  in a3d_connect()
298 	input_dev->dev.parent = &gameport->dev;  in a3d_connect()
299 	input_dev->open = a3d_open;  in a3d_connect()
300 	input_dev->close = a3d_close;  in a3d_connect()
304 	if (a3d->mode == A3D_MODE_PXL) {  in a3d_connect()
308 		a3d->length = 33;  in a3d_connect()
310 		input_dev->evbit[0] |= BIT_MASK(EV_ABS) | BIT_MASK(EV_KEY) |  in a3d_connect()
312 		input_dev->relbit[0] |= BIT_MASK(REL_X) | BIT_MASK(REL_Y);  in a3d_connect()
313 		input_dev->absbit[0] |= BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |  in a3d_connect()
317 		input_dev->keybit[BIT_WORD(BTN_MOUSE)] |= BIT_MASK(BTN_RIGHT) |  in a3d_connect()
320 		input_dev->keybit[BIT_WORD(BTN_JOYSTICK)] |=  in a3d_connect()
329 					48, input_abs_get_val(input_dev, axes[i]) * 2 - 48, 0, 8);  in a3d_connect()
332 			input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0);  in a3d_connect()
336 		a3d->length = 29;  in a3d_connect()
338 		input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);  in a3d_connect()
339 		input_dev->relbit[0] |= BIT_MASK(REL_X) | BIT_MASK(REL_Y);  in a3d_connect()
340 		input_dev->keybit[BIT_WORD(BTN_MOUSE)] |= BIT_MASK(BTN_RIGHT) |  in a3d_connect()
345 		if (!(a3d->adc = adc = gameport_allocate_port()))  in a3d_connect()
346 			printk(KERN_ERR "a3d: Not enough memory for ADC port\n");  in a3d_connect()
348 			adc->port_data = a3d;  in a3d_connect()
349 			adc->open = a3d_adc_open;  in a3d_connect()
350 			adc->close = a3d_adc_close;  in a3d_connect()
351 			adc->cooked_read = a3d_adc_cooked_read;  in a3d_connect()
352 			adc->fuzz = 1;  in a3d_connect()
354 			gameport_set_name(adc, a3d_names[a3d->mode]);  in a3d_connect()
355 			gameport_set_phys(adc, "%s/gameport0", gameport->phys);  in a3d_connect()
356 			adc->dev.parent = &gameport->dev;  in a3d_connect()
358 			gameport_register_port(adc);  in a3d_connect()
362 	err = input_register_device(a3d->dev);  in a3d_connect()
368  fail3:	if (a3d->adc)  in a3d_connect()
369 		gameport_unregister_port(a3d->adc);  in a3d_connect()
381 	input_unregister_device(a3d->dev);  in a3d_disconnect()
382 	if (a3d->adc)  in a3d_disconnect()
383 		gameport_unregister_port(a3d->adc);  in a3d_disconnect()
391 		.name	= "adc",