^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Force feedback support for GreenAsia (Product ID 0x12) based devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * The devices are distributed under various names and the same USB device ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * can be used in many game controllers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * 0e8f:0012 "GreenAsia Inc. USB Joystick "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * - tested with MANTA Warior MM816 and SpeedLink Strike2 SL-6635.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * Copyright (c) 2008 Lukasz Lubojanski <lukasz@lubojanski.info>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/hid.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include "hid-ids.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #ifdef CONFIG_GREENASIA_FF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct gaff_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct hid_report *report;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static int hid_gaff_play(struct input_dev *dev, void *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct ff_effect *effect)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct hid_device *hid = input_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct gaff_device *gaff = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) int left, right;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) left = effect->u.rumble.strong_magnitude;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) right = effect->u.rumble.weak_magnitude;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) dbg_hid("called with 0x%04x 0x%04x", left, right);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) left = left * 0xfe / 0xffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) right = right * 0xfe / 0xffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) gaff->report->field[0]->value[0] = 0x51;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) gaff->report->field[0]->value[1] = 0x0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) gaff->report->field[0]->value[2] = right;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) gaff->report->field[0]->value[3] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) gaff->report->field[0]->value[4] = left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) gaff->report->field[0]->value[5] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) dbg_hid("running with 0x%02x 0x%02x", left, right);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) hid_hw_request(hid, gaff->report, HID_REQ_SET_REPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) gaff->report->field[0]->value[0] = 0xfa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) gaff->report->field[0]->value[1] = 0xfe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) gaff->report->field[0]->value[2] = 0x0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) gaff->report->field[0]->value[4] = 0x0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) hid_hw_request(hid, gaff->report, HID_REQ_SET_REPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static int gaff_init(struct hid_device *hid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct gaff_device *gaff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) struct hid_report *report;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) struct hid_input *hidinput;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) struct list_head *report_list =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) &hid->report_enum[HID_OUTPUT_REPORT].report_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct list_head *report_ptr = report_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct input_dev *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) if (list_empty(&hid->inputs)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) hid_err(hid, "no inputs found\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) hidinput = list_entry(hid->inputs.next, struct hid_input, list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) dev = hidinput->input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (list_empty(report_list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) hid_err(hid, "no output reports found\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) report_ptr = report_ptr->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) report = list_entry(report_ptr, struct hid_report, list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (report->maxfield < 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) hid_err(hid, "no fields in the report\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) if (report->field[0]->report_count < 6) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) hid_err(hid, "not enough values in the field\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) gaff = kzalloc(sizeof(struct gaff_device), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) if (!gaff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) set_bit(FF_RUMBLE, dev->ffbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) error = input_ff_create_memless(dev, gaff, hid_gaff_play);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) kfree(gaff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) gaff->report = report;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) gaff->report->field[0]->value[0] = 0x51;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) gaff->report->field[0]->value[1] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) gaff->report->field[0]->value[2] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) gaff->report->field[0]->value[3] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) hid_hw_request(hid, gaff->report, HID_REQ_SET_REPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) gaff->report->field[0]->value[0] = 0xfa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) gaff->report->field[0]->value[1] = 0xfe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) hid_hw_request(hid, gaff->report, HID_REQ_SET_REPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) hid_info(hid, "Force Feedback for GreenAsia 0x12 devices by Lukasz Lubojanski <lukasz@lubojanski.info>\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static inline int gaff_init(struct hid_device *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static int ga_probe(struct hid_device *hdev, const struct hid_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) dev_dbg(&hdev->dev, "Greenasia HID hardware probe...");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) ret = hid_parse(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) hid_err(hdev, "parse failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) hid_err(hdev, "hw start failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) gaff_init(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) static const struct hid_device_id ga_devices[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012), },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) MODULE_DEVICE_TABLE(hid, ga_devices);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) static struct hid_driver ga_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) .name = "greenasia",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) .id_table = ga_devices,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) .probe = ga_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) module_hid_driver(ga_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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