24 #define LG4FF_MMODE_IS_MULTIMODE 0
28 #define LG4FF_MODE_NATIVE_IDX 0
58 #define LG4FF_FFEX_REV_MAJ 0x21
59 #define LG4FF_FFEX_REV_MIN 0x00
164 	[LG4FF_MODE_NATIVE_IDX] = {0, "native", ""},
176 	0xf000,
177 	0x1000,
183 	0xff00,
184 	0x1200,
190 	0xfff0,
191 	0x1230,
197 	0xff00,
198 	0x1300,
204 	0xfff8,
205 	0x1350,
211 	0xff00,
212 	0x8900,
230 	{0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00,	/* Revert mode upon USB reset */
231 	 0xf8, 0x09, 0x00, 0x01, 0x00, 0x00, 0x00}	/* Switch mode to DF-EX with detach */
236 	{0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00,	/* Revert mode upon USB reset */
237 	 0xf8, 0x09, 0x01, 0x01, 0x00, 0x00, 0x00}	/* Switch mode to DFP with detach */
242 	{0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00,	/* Revert mode upon USB reset */
243 	 0xf8, 0x09, 0x02, 0x01, 0x00, 0x00, 0x00}	/* Switch mode to G25 with detach */
248 	{0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00,	/* Revert mode upon USB reset */
249 	 0xf8, 0x09, 0x03, 0x01, 0x00, 0x00, 0x00}	/* Switch mode to DFGT with detach */
254 	{0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00,	/* Revert mode upon USB reset */
255 	 0xf8, 0x09, 0x04, 0x01, 0x00, 0x00, 0x00}	/* Switch mode to G27 with detach */
260 	{0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00,	/* Revert mode upon USB reset */
261 	 0xf8, 0x09, 0x05, 0x01, 0x01, 0x00, 0x00}	/* Switch mode to G29 with detach */
267 	{0xf8, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00}
273 	{0xf8, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00}
292 	if (new_value < 0)  in lg4ff_adjust_dfp_x_axis()
293 		return 0;  in lg4ff_adjust_dfp_x_axis()
304 	s32 new_value = 0;  in lg4ff_adjust_input_event()
308 		return 0;  in lg4ff_adjust_input_event()
319 			return 0;  in lg4ff_adjust_input_event()
322 		return 0;  in lg4ff_adjust_input_event()
333 		return 0;  in lg4ff_raw_event()
340 			rd[6] = 0x7F;  in lg4ff_raw_event()
347 			rd[5] = 0x7F;  in lg4ff_raw_event()
351 			rd[6] = 0x7F;  in lg4ff_raw_event()
365 			return 0;  in lg4ff_raw_event()
369 		rd[offset] = (0xFF + rd[offset] - rd[offset+1]) >> 1;  in lg4ff_raw_event()
370 		rd[offset+1] = 0x7F;  in lg4ff_raw_event()
374 	return 0;  in lg4ff_raw_event()
381 	u32 alternate_modes = 0;  in lg4ff_init_wheel_data()
394 						     .combine = 0,  in lg4ff_init_wheel_data()
426 	value = entry->report->field[0]->value;  in lg4ff_play()
428 #define CLAMP(x) do { if (x < 0) x = 0; else if (x > 0xff) x = 0xff; } while (0)  in lg4ff_play()
432 		x = effect->u.ramp.start_level + 0x80;	/* 0x80 is no force */  in lg4ff_play()
436 		if (x == 0x80) {  in lg4ff_play()
438 			value[0] = 0x13;  in lg4ff_play()
439 			value[1] = 0x00;  in lg4ff_play()
440 			value[2] = 0x00;  in lg4ff_play()
441 			value[3] = 0x00;  in lg4ff_play()
442 			value[4] = 0x00;  in lg4ff_play()
443 			value[5] = 0x00;  in lg4ff_play()
444 			value[6] = 0x00;  in lg4ff_play()
448 			return 0;  in lg4ff_play()
451 		value[0] = 0x11;	/* Slot 1 */  in lg4ff_play()
452 		value[1] = 0x08;  in lg4ff_play()
454 		value[3] = 0x80;  in lg4ff_play()
455 		value[4] = 0x00;  in lg4ff_play()
456 		value[5] = 0x00;  in lg4ff_play()
457 		value[6] = 0x00;  in lg4ff_play()
463 	return 0;  in lg4ff_play()
488 	value = entry->report->field[0]->value;  in lg4ff_set_autocenter_default()
492 	if (magnitude == 0) {  in lg4ff_set_autocenter_default()
493 		value[0] = 0xf5;  in lg4ff_set_autocenter_default()
494 		value[1] = 0x00;  in lg4ff_set_autocenter_default()
495 		value[2] = 0x00;  in lg4ff_set_autocenter_default()
496 		value[3] = 0x00;  in lg4ff_set_autocenter_default()
497 		value[4] = 0x00;  in lg4ff_set_autocenter_default()
498 		value[5] = 0x00;  in lg4ff_set_autocenter_default()
499 		value[6] = 0x00;  in lg4ff_set_autocenter_default()
506 	if (magnitude <= 0xaaaa) {  in lg4ff_set_autocenter_default()
507 		expand_a = 0x0c * magnitude;  in lg4ff_set_autocenter_default()
508 		expand_b = 0x80 * magnitude;  in lg4ff_set_autocenter_default()
510 		expand_a = (0x0c * 0xaaaa) + 0x06 * (magnitude - 0xaaaa);  in lg4ff_set_autocenter_default()
511 		expand_b = (0x80 * 0xaaaa) + 0xff * (magnitude - 0xaaaa);  in lg4ff_set_autocenter_default()
524 	value[0] = 0xfe;  in lg4ff_set_autocenter_default()
525 	value[1] = 0x0d;  in lg4ff_set_autocenter_default()
526 	value[2] = expand_a / 0xaaaa;  in lg4ff_set_autocenter_default()
527 	value[3] = expand_a / 0xaaaa;  in lg4ff_set_autocenter_default()
528 	value[4] = expand_b / 0xaaaa;  in lg4ff_set_autocenter_default()
529 	value[5] = 0x00;  in lg4ff_set_autocenter_default()
530 	value[6] = 0x00;  in lg4ff_set_autocenter_default()
535 	value[0] = 0x14;  in lg4ff_set_autocenter_default()
536 	value[1] = 0x00;  in lg4ff_set_autocenter_default()
537 	value[2] = 0x00;  in lg4ff_set_autocenter_default()
538 	value[3] = 0x00;  in lg4ff_set_autocenter_default()
539 	value[4] = 0x00;  in lg4ff_set_autocenter_default()
540 	value[5] = 0x00;  in lg4ff_set_autocenter_default()
541 	value[6] = 0x00;  in lg4ff_set_autocenter_default()
568 	value = entry->report->field[0]->value;  in lg4ff_set_autocenter_ffex()
571 	value[0] = 0xfe;  in lg4ff_set_autocenter_ffex()
572 	value[1] = 0x03;  in lg4ff_set_autocenter_ffex()
576 	value[5] = 0x00;  in lg4ff_set_autocenter_ffex()
577 	value[6] = 0x00;  in lg4ff_set_autocenter_ffex()
602 	value = entry->report->field[0]->value;  in lg4ff_set_range_g25()
606 	value[0] = 0xf8;  in lg4ff_set_range_g25()
607 	value[1] = 0x81;  in lg4ff_set_range_g25()
608 	value[2] = range & 0x00ff;  in lg4ff_set_range_g25()
609 	value[3] = (range & 0xff00) >> 8;  in lg4ff_set_range_g25()
610 	value[4] = 0x00;  in lg4ff_set_range_g25()
611 	value[5] = 0x00;  in lg4ff_set_range_g25()
612 	value[6] = 0x00;  in lg4ff_set_range_g25()
638 	value = entry->report->field[0]->value;  in lg4ff_set_range_dfp()
643 	value[0] = 0xf8;  in lg4ff_set_range_dfp()
644 	value[1] = 0x00;	/* Set later */  in lg4ff_set_range_dfp()
645 	value[2] = 0x00;  in lg4ff_set_range_dfp()
646 	value[3] = 0x00;  in lg4ff_set_range_dfp()
647 	value[4] = 0x00;  in lg4ff_set_range_dfp()
648 	value[5] = 0x00;  in lg4ff_set_range_dfp()
649 	value[6] = 0x00;  in lg4ff_set_range_dfp()
652 		value[1] = 0x03;  in lg4ff_set_range_dfp()
655 		value[1] = 0x02;  in lg4ff_set_range_dfp()
661 	value[0] = 0x81;  in lg4ff_set_range_dfp()
662 	value[1] = 0x0b;  in lg4ff_set_range_dfp()
663 	value[2] = 0x00;  in lg4ff_set_range_dfp()
664 	value[3] = 0x00;  in lg4ff_set_range_dfp()
665 	value[4] = 0x00;  in lg4ff_set_range_dfp()
666 	value[5] = 0x00;  in lg4ff_set_range_dfp()
667 	value[6] = 0x00;  in lg4ff_set_range_dfp()
677 	start_right = 0xfff - start_left;  in lg4ff_set_range_dfp()
681 	value[4] = 0xff;  in lg4ff_set_range_dfp()
682 	value[5] = (start_right & 0xe) << 4 | (start_left & 0xe);  in lg4ff_set_range_dfp()
683 	value[6] = 0xff;  in lg4ff_set_range_dfp()
782 	value = entry->report->field[0]->value;  in lg4ff_switch_compatibility_mode()
785 	for (i = 0; i < s->cmd_count; i++) {  in lg4ff_switch_compatibility_mode()
788 		for (j = 0; j < 7; j++)  in lg4ff_switch_compatibility_mode()
795 	return 0;  in lg4ff_switch_compatibility_mode()
803 	ssize_t count = 0;  in lg4ff_alternate_modes_show()
809 		return 0;  in lg4ff_alternate_modes_show()
815 		return 0;  in lg4ff_alternate_modes_show()
820 		return 0;  in lg4ff_alternate_modes_show()
823 	for (i = 0; i < LG4FF_MODE_MAX_IDX; i++) {  in lg4ff_alternate_modes_show()
834 …(lg4ff_alternate_modes[i].product_id == 0 && entry->wdata.product_id == entry->wdata.real_product_…  in lg4ff_alternate_modes_show()
853 	u16 target_product_id = 0;  in lg4ff_alternate_modes_store()
876 	if (i == 0) {  in lg4ff_alternate_modes_store()
886 		lbuf[i-1] = '\0';  in lg4ff_alternate_modes_store()
889 	for (i = 0; i < LG4FF_MODE_MAX_IDX; i++) {  in lg4ff_alternate_modes_store()
935 	return (ret == 0 ? count : ret);  in lg4ff_alternate_modes_store()
950 		return 0;  in lg4ff_combine_show()
956 		return 0;  in lg4ff_combine_show()
1003 		return 0;  in lg4ff_range_show()
1009 		return 0;  in lg4ff_range_show()
1038 	if (range == 0)  in lg4ff_range_store()
1062 		return 0;  in lg4ff_real_id_show()
1068 		return 0;  in lg4ff_real_id_show()
1073 		return 0;  in lg4ff_real_id_show()
1106 	value = entry->report->field[0]->value;  in lg4ff_set_leds()
1109 	value[0] = 0xf8;  in lg4ff_set_leds()
1110 	value[1] = 0x12;  in lg4ff_set_leds()
1112 	value[3] = 0x00;  in lg4ff_set_leds()
1113 	value[4] = 0x00;  in lg4ff_set_leds()
1114 	value[5] = 0x00;  in lg4ff_set_leds()
1115 	value[6] = 0x00;  in lg4ff_set_leds()
1127 	int i, state = 0;  in lg4ff_led_set_brightness()
1141 	for (i = 0; i < 5; i++) {  in lg4ff_led_set_brightness()
1162 	int i, value = 0;  in lg4ff_led_get_brightness()
1176 	for (i = 0; i < 5; i++)  in lg4ff_led_get_brightness()
1199 		return 0;  in lg4ff_identify_multimode_wheel()
1203 	for (i = 0; i < ARRAY_SIZE(lg4ff_main_checklist); i++) {  in lg4ff_identify_multimode_wheel()
1218 	return 0;  in lg4ff_identify_multimode_wheel()
1283 	if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7))  in lg4ff_init()
1306 		return 0;  in lg4ff_init()
1307 	else if (mmode_ret < 0) {  in lg4ff_init()
1314 	for (i = 0; i < ARRAY_SIZE(lg4ff_devices); i++) {  in lg4ff_init()
1330 		for (mmode_idx = 0; mmode_idx < ARRAY_SIZE(lg4ff_multimode_wheels); mmode_idx++) {  in lg4ff_init()
1343 	for (j = 0; lg4ff_devices[i].ff_effects[j] >= 0; j++)  in lg4ff_init()
1363 		    (bcdDevice & 0xff) == LG4FF_FFEX_REV_MIN)  in lg4ff_init()
1368 		dev->ff->set_autocenter(dev, 0);  in lg4ff_init()
1395 	entry->wdata.led_state = 0;  in lg4ff_init()
1396 	for (j = 0; j < 5; j++)  in lg4ff_init()
1405 		lg4ff_set_leds(hid, 0);  in lg4ff_init()
1409 		for (j = 0; j < 5; j++) {  in lg4ff_init()
1419 			led->brightness = 0;  in lg4ff_init()
1431 				for (j = 0; j < 5; j++) {  in lg4ff_init()
1446 	return 0;  in lg4ff_init()
1482 		for (j = 0; j < 5; j++) {  in lg4ff_deinit()
1498 	return 0;  in lg4ff_deinit()