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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | // SPDX-License-Identifier: GPL-2.0-or-later /* * Force feedback support for Mayflash game controller adapters. * * These devices are manufactured by Mayflash but identify themselves * using the vendor ID of DragonRise Inc. * * Tested with: * 0079:1801 "DragonRise Inc. Mayflash PS3 Game Controller Adapter" * 0079:1803 "DragonRise Inc. Mayflash Wireless Sensor DolphinBar" * 0079:1843 "DragonRise Inc. Mayflash GameCube Game Controller Adapter" * 0079:1844 "DragonRise Inc. Mayflash GameCube Game Controller Adapter (v04)" * * The following adapters probably work too, but need to be tested: * 0079:1800 "DragonRise Inc. Mayflash WIIU Game Controller Adapter" * * Copyright (c) 2016-2017 Marcel Hasler <mahasler@gmail.com> */ /* */ #include <linux/input.h> #include <linux/slab.h> #include <linux/hid.h> #include <linux/module.h> #include "hid-ids.h" struct mf_device { struct hid_report *report; }; static int mf_play(struct input_dev *dev, void *data, struct ff_effect *effect) { struct hid_device *hid = input_get_drvdata(dev); struct mf_device *mf = data; int strong, weak; strong = effect->u.rumble.strong_magnitude; weak = effect->u.rumble.weak_magnitude; dbg_hid("Called with 0x%04x 0x%04x.\n", strong, weak); strong = strong * 0xff / 0xffff; weak = weak * 0xff / 0xffff; dbg_hid("Running with 0x%02x 0x%02x.\n", strong, weak); mf->report->field[0]->value[0] = weak; mf->report->field[0]->value[1] = strong; hid_hw_request(hid, mf->report, HID_REQ_SET_REPORT); return 0; } static int mf_init(struct hid_device *hid) { struct mf_device *mf; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct list_head *report_ptr; struct hid_report *report; struct list_head *input_ptr = &hid->inputs; struct hid_input *input; struct input_dev *dev; int error; /* Setup each of the four inputs */ list_for_each(report_ptr, report_list) { report = list_entry(report_ptr, struct hid_report, list); if (report->maxfield < 1 || report->field[0]->report_count < 2) { hid_err(hid, "Invalid report, this should never happen!\n"); return -ENODEV; } if (list_is_last(input_ptr, &hid->inputs)) { hid_err(hid, "Missing input, this should never happen!\n"); return -ENODEV; } input_ptr = input_ptr->next; input = list_entry(input_ptr, struct hid_input, list); mf = kzalloc(sizeof(struct mf_device), GFP_KERNEL); if (!mf) return -ENOMEM; dev = input->input; set_bit(FF_RUMBLE, dev->ffbit); error = input_ff_create_memless(dev, mf, mf_play); if (error) { kfree(mf); return error; } mf->report = report; mf->report->field[0]->value[0] = 0x00; mf->report->field[0]->value[1] = 0x00; hid_hw_request(hid, mf->report, HID_REQ_SET_REPORT); } hid_info(hid, "Force feedback for HJZ Mayflash game controller " "adapters by Marcel Hasler <mahasler@gmail.com>\n"); return 0; } static int mf_probe(struct hid_device *hid, const struct hid_device_id *id) { int error; dev_dbg(&hid->dev, "Mayflash HID hardware probe...\n"); /* Apply quirks as needed */ hid->quirks |= id->driver_data; error = hid_parse(hid); if (error) { hid_err(hid, "HID parse failed.\n"); return error; } error = hid_hw_start(hid, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); if (error) { hid_err(hid, "HID hw start failed\n"); return error; } error = mf_init(hid); if (error) { hid_err(hid, "Force feedback init failed.\n"); hid_hw_stop(hid); return error; } return 0; } static const struct hid_device_id mf_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3), .driver_data = HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR), .driver_data = HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE1), .driver_data = HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE2), .driver_data = 0 }, /* No quirk required */ { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE3), .driver_data = HID_QUIRK_MULTI_INPUT }, { } }; MODULE_DEVICE_TABLE(hid, mf_devices); static struct hid_driver mf_driver = { .name = "hid_mf", .id_table = mf_devices, .probe = mf_probe, }; module_hid_driver(mf_driver); MODULE_LICENSE("GPL"); |