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
17 #define DRIVER_DESC	"FP-Gaming Assassin 3D joystick driver"
32 static char *a3d_names[] = { NULL, "FP-Gaming Assassin 3D", "MadCatz Panther", "OEM Panther",
37 	struct gameport *adc;  member
68 		t--;  in a3d_read_packet()
89 	for (i = 0; i < count - 2; i++)  in a3d_csum()
91 	return (csum & 0x3f) != ((data[count - 2] << 3) | data[count - 1]);  in a3d_csum()
96 	struct input_dev *dev = a3d->dev;  in a3d_read()
98 	switch (a3d->mode) {  in a3d_read()
104 …	input_report_rel(dev, REL_X, ((data[5] << 6) | (data[6] << 3) | data[ 7]) - ((data[5] & 4) << 7));  in a3d_read()
105 …	input_report_rel(dev, REL_Y, ((data[8] << 6) | (data[9] << 3) | data[10]) - ((data[8] & 4) << 7));  in a3d_read()
113 			a3d->axes[0] = ((signed char)((data[11] << 6) | (data[12] << 3) | (data[13]))) + 128;  in a3d_read()
114 			a3d->axes[1] = ((signed char)((data[14] << 6) | (data[15] << 3) | (data[16]))) + 128;  in a3d_read()
115 			a3d->axes[2] = ((signed char)((data[17] << 6) | (data[18] << 3) | (data[19]))) + 128;  in a3d_read()
116 			a3d->axes[3] = ((signed char)((data[20] << 6) | (data[21] << 3) | (data[22]))) + 128;  in a3d_read()
118 			a3d->buttons = ((data[3] << 3) | data[4]) & 0xf;  in a3d_read()
124 …input_report_rel(dev, REL_X, ((data[ 9] << 6) | (data[10] << 3) | data[11]) - ((data[ 9] & 4) << 7…  in a3d_read()
125 …input_report_rel(dev, REL_Y, ((data[12] << 6) | (data[13] << 3) | data[14]) - ((data[12] & 4) << 7…  in a3d_read()
138 			input_report_abs(dev, ABS_HAT0X, ( data[5]       & 1) - ((data[5] >> 2) & 1));  in a3d_read()
139 			input_report_abs(dev, ABS_HAT0Y, ((data[5] >> 1) & 1) - ((data[6] >> 2) & 1));  in a3d_read()
140 			input_report_abs(dev, ABS_HAT1X, ((data[4] >> 1) & 1) - ( data[3]       & 1));  in a3d_read()
141 			input_report_abs(dev, ABS_HAT1Y, ((data[4] >> 2) & 1) - ( data[4]       & 1));  in a3d_read()
156  * a3d_poll() reads and analyzes A3D joystick data.
164 	a3d->reads++;  in a3d_poll()
165 	if (a3d_read_packet(a3d->gameport, a3d->length, data) != a3d->length ||  in a3d_poll()
166 	    data[0] != a3d->mode || a3d_csum(data, a3d->length))  in a3d_poll()
167 		a3d->bads++;  in a3d_poll()
180 	struct a3d *a3d = gameport->port_data;  in a3d_adc_cooked_read()
184 		axes[i] = (a3d->axes[i] < 254) ? a3d->axes[i] : -1;  in a3d_adc_cooked_read()
185 	*buttons = a3d->buttons;  in a3d_adc_cooked_read()
196 	struct a3d *a3d = gameport->port_data;  in a3d_adc_open()
199 		return -1;  in a3d_adc_open()
201 	gameport_start_polling(a3d->gameport);  in a3d_adc_open()
211 	struct a3d *a3d = gameport->port_data;  in a3d_adc_close()
213 	gameport_stop_polling(a3d->gameport);  in a3d_adc_close()
224 	gameport_start_polling(a3d->gameport);  in a3d_open()
236 	gameport_stop_polling(a3d->gameport);  in a3d_close()
247 	struct gameport *adc;  in a3d_connect()  local
255 		err = -ENOMEM;  in a3d_connect()
259 	a3d->dev = input_dev;  in a3d_connect()
260 	a3d->gameport = gameport;  in a3d_connect()
271 		err = -ENODEV;  in a3d_connect()
275 	a3d->mode = data[0];  in a3d_connect()
277 	if (!a3d->mode || a3d->mode > 5) {  in a3d_connect()
279 			"(%s, id=%d), contact <vojtech@ucw.cz>\n", gameport->phys, a3d->mode);  in a3d_connect()
280 		err = -ENODEV;  in a3d_connect()
287 	snprintf(a3d->phys, sizeof(a3d->phys), "%s/input0", gameport->phys);  in a3d_connect()
289 	input_dev->name = a3d_names[a3d->mode];  in a3d_connect()
290 	input_dev->phys = a3d->phys;  in a3d_connect()
291 	input_dev->id.bustype = BUS_GAMEPORT;  in a3d_connect()
292 	input_dev->id.vendor = GAMEPORT_ID_VENDOR_MADCATZ;  in a3d_connect()
293 	input_dev->id.product = a3d->mode;  in a3d_connect()
294 	input_dev->id.version = 0x0100;  in a3d_connect()
295 	input_dev->dev.parent = &gameport->dev;  in a3d_connect()
296 	input_dev->open = a3d_open;  in a3d_connect()
297 	input_dev->close = a3d_close;  in a3d_connect()
301 	if (a3d->mode == A3D_MODE_PXL) {  in a3d_connect()
305 		a3d->length = 33;  in a3d_connect()
307 		input_dev->evbit[0] |= BIT_MASK(EV_ABS) | BIT_MASK(EV_KEY) |  in a3d_connect()
309 		input_dev->relbit[0] |= BIT_MASK(REL_X) | BIT_MASK(REL_Y);  in a3d_connect()
310 		input_dev->absbit[0] |= BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |  in a3d_connect()
314 		input_dev->keybit[BIT_WORD(BTN_MOUSE)] |= BIT_MASK(BTN_RIGHT) |  in a3d_connect()
317 		input_dev->keybit[BIT_WORD(BTN_JOYSTICK)] |=  in a3d_connect()
326 					48, input_abs_get_val(input_dev, axes[i]) * 2 - 48, 0, 8);  in a3d_connect()
329 			input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0);  in a3d_connect()
333 		a3d->length = 29;  in a3d_connect()
335 		input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);  in a3d_connect()
336 		input_dev->relbit[0] |= BIT_MASK(REL_X) | BIT_MASK(REL_Y);  in a3d_connect()
337 		input_dev->keybit[BIT_WORD(BTN_MOUSE)] |= BIT_MASK(BTN_RIGHT) |  in a3d_connect()
342 		if (!(a3d->adc = adc = gameport_allocate_port()))  in a3d_connect()
343 			printk(KERN_ERR "a3d: Not enough memory for ADC port\n");  in a3d_connect()
345 			adc->port_data = a3d;  in a3d_connect()
346 			adc->open = a3d_adc_open;  in a3d_connect()
347 			adc->close = a3d_adc_close;  in a3d_connect()
348 			adc->cooked_read = a3d_adc_cooked_read;  in a3d_connect()
349 			adc->fuzz = 1;  in a3d_connect()
351 			gameport_set_name(adc, a3d_names[a3d->mode]);  in a3d_connect()
352 			gameport_set_phys(adc, "%s/gameport0", gameport->phys);  in a3d_connect()
353 			adc->dev.parent = &gameport->dev;  in a3d_connect()
355 			gameport_register_port(adc);  in a3d_connect()
359 	err = input_register_device(a3d->dev);  in a3d_connect()
365  fail3:	if (a3d->adc)  in a3d_connect()
366 		gameport_unregister_port(a3d->adc);  in a3d_connect()
378 	input_unregister_device(a3d->dev);  in a3d_disconnect()
379 	if (a3d->adc)  in a3d_disconnect()
380 		gameport_unregister_port(a3d->adc);  in a3d_disconnect()
388 		.name	= "adc",