// SPDX-License-Identifier: GPL-2.0-or-later /* * Force feedback support for Holtek On Line Grip based gamepads * * These include at least a Brazilian "Clone Joypad Super Power Fire" * which uses vendor ID 0x1241 and identifies as "HOLTEK On Line Grip". * * Copyright (c) 2011 Anssi Hannula <anssi.hannula@iki.fi>
*/
/* * These commands and parameters are currently known: * * byte 0: command id: * 01 set effect parameters * 02 play specified effect * 03 stop specified effect * 04 stop all effects * 06 stop all effects * (the difference between 04 and 06 isn't known; win driver * sends 06,04 on application init, and 06 otherwise) * * Commands 01 and 02 need to be sent as pairs, i.e. you need to send 01 * before each 02. * * The rest of the bytes are parameters. Command 01 takes all of them, and * commands 02,03 take only the effect id. * * byte 1: * bits 0-3: effect id: * 1: very strong rumble * 2: periodic rumble, short intervals * 3: very strong rumble * 4: periodic rumble, long intervals * 5: weak periodic rumble, long intervals * 6: weak periodic rumble, short intervals * 7: periodic rumble, short intervals * 8: strong periodic rumble, short intervals * 9: very strong rumble * a: causes an error * b: very strong periodic rumble, very short intervals * c-f: nothing * bit 6: right (weak) motor enabled * bit 7: left (strong) motor enabled * * bytes 2-3: time in milliseconds, big-endian * bytes 5-6: unknown (win driver seems to use at least 10e0 with effect 1 * and 0014 with effect 6) * byte 7: * bits 0-3: effect magnitude
*/
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Anssi Hannula <anssi.hannula@iki.fi>");
MODULE_DESCRIPTION("Force feedback support for Holtek On Line Grip based devices");
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