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169 lines
4.3 KiB
169 lines
4.3 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Force feedback support for Mayflash game controller adapters. |
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* |
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* These devices are manufactured by Mayflash but identify themselves |
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* using the vendor ID of DragonRise Inc. |
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* |
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* Tested with: |
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* 0079:1801 "DragonRise Inc. Mayflash PS3 Game Controller Adapter" |
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* 0079:1803 "DragonRise Inc. Mayflash Wireless Sensor DolphinBar" |
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* 0079:1843 "DragonRise Inc. Mayflash GameCube Game Controller Adapter" |
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* 0079:1844 "DragonRise Inc. Mayflash GameCube Game Controller Adapter (v04)" |
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* |
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* The following adapters probably work too, but need to be tested: |
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* 0079:1800 "DragonRise Inc. Mayflash WIIU Game Controller Adapter" |
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* |
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* Copyright (c) 2016-2017 Marcel Hasler <[email protected]> |
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*/ |
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/* |
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*/ |
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#include <linux/input.h> |
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#include <linux/slab.h> |
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#include <linux/hid.h> |
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#include <linux/module.h> |
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#include "hid-ids.h" |
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struct mf_device { |
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struct hid_report *report; |
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}; |
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static int mf_play(struct input_dev *dev, void *data, struct ff_effect *effect) |
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{ |
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struct hid_device *hid = input_get_drvdata(dev); |
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struct mf_device *mf = data; |
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int strong, weak; |
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strong = effect->u.rumble.strong_magnitude; |
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weak = effect->u.rumble.weak_magnitude; |
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dbg_hid("Called with 0x%04x 0x%04x.\n", strong, weak); |
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strong = strong * 0xff / 0xffff; |
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weak = weak * 0xff / 0xffff; |
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dbg_hid("Running with 0x%02x 0x%02x.\n", strong, weak); |
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mf->report->field[0]->value[0] = weak; |
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mf->report->field[0]->value[1] = strong; |
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hid_hw_request(hid, mf->report, HID_REQ_SET_REPORT); |
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return 0; |
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} |
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static int mf_init(struct hid_device *hid) |
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{ |
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struct mf_device *mf; |
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struct list_head *report_list = |
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&hid->report_enum[HID_OUTPUT_REPORT].report_list; |
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struct list_head *report_ptr; |
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struct hid_report *report; |
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struct list_head *input_ptr = &hid->inputs; |
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struct hid_input *input; |
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struct input_dev *dev; |
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int error; |
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/* Setup each of the four inputs */ |
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list_for_each(report_ptr, report_list) { |
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report = list_entry(report_ptr, struct hid_report, list); |
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if (report->maxfield < 1 || report->field[0]->report_count < 2) { |
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hid_err(hid, "Invalid report, this should never happen!\n"); |
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return -ENODEV; |
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} |
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if (list_is_last(input_ptr, &hid->inputs)) { |
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hid_err(hid, "Missing input, this should never happen!\n"); |
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return -ENODEV; |
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} |
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input_ptr = input_ptr->next; |
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input = list_entry(input_ptr, struct hid_input, list); |
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mf = kzalloc(sizeof(struct mf_device), GFP_KERNEL); |
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if (!mf) |
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return -ENOMEM; |
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dev = input->input; |
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set_bit(FF_RUMBLE, dev->ffbit); |
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error = input_ff_create_memless(dev, mf, mf_play); |
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if (error) { |
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kfree(mf); |
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return error; |
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} |
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mf->report = report; |
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mf->report->field[0]->value[0] = 0x00; |
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mf->report->field[0]->value[1] = 0x00; |
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hid_hw_request(hid, mf->report, HID_REQ_SET_REPORT); |
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} |
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hid_info(hid, "Force feedback for HJZ Mayflash game controller " |
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"adapters by Marcel Hasler <[email protected]>\n"); |
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return 0; |
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} |
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static int mf_probe(struct hid_device *hid, const struct hid_device_id *id) |
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{ |
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int error; |
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dev_dbg(&hid->dev, "Mayflash HID hardware probe...\n"); |
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/* Apply quirks as needed */ |
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hid->quirks |= id->driver_data; |
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error = hid_parse(hid); |
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if (error) { |
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hid_err(hid, "HID parse failed.\n"); |
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return error; |
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} |
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error = hid_hw_start(hid, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); |
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if (error) { |
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hid_err(hid, "HID hw start failed\n"); |
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return error; |
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} |
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error = mf_init(hid); |
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if (error) { |
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hid_err(hid, "Force feedback init failed.\n"); |
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hid_hw_stop(hid); |
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return error; |
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} |
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return 0; |
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} |
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static const struct hid_device_id mf_devices[] = { |
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{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3), |
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.driver_data = HID_QUIRK_MULTI_INPUT }, |
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{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR), |
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.driver_data = HID_QUIRK_MULTI_INPUT }, |
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{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE1), |
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.driver_data = HID_QUIRK_MULTI_INPUT }, |
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{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE2), |
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.driver_data = 0 }, /* No quirk required */ |
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{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE3), |
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.driver_data = HID_QUIRK_MULTI_INPUT }, |
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{ } |
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}; |
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MODULE_DEVICE_TABLE(hid, mf_devices); |
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static struct hid_driver mf_driver = { |
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.name = "hid_mf", |
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.id_table = mf_devices, |
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.probe = mf_probe, |
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}; |
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module_hid_driver(mf_driver); |
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MODULE_LICENSE("GPL");
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