^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 Zeroplus based devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2005, 2006 Anssi Hannula <anssi.hannula@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/hid.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "hid-ids.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #ifdef CONFIG_ZEROPLUS_FF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct zpff_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct hid_report *report;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static int zpff_play(struct input_dev *dev, void *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct ff_effect *effect)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct hid_device *hid = input_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct zpff_device *zpff = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) int left, right;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * The following is specified the other way around in the Zeroplus
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * datasheet but the order below is correct for the XFX Executioner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * however it is possible that the XFX Executioner is an exception
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) left = effect->u.rumble.strong_magnitude;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) right = effect->u.rumble.weak_magnitude;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) dbg_hid("called with 0x%04x 0x%04x\n", left, right);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) left = left * 0x7f / 0xffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) right = right * 0x7f / 0xffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) zpff->report->field[2]->value[0] = left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) zpff->report->field[3]->value[0] = right;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) dbg_hid("running with 0x%02x 0x%02x\n", left, right);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) hid_hw_request(hid, zpff->report, HID_REQ_SET_REPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static int zpff_init(struct hid_device *hid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct zpff_device *zpff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct hid_report *report;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct hid_input *hidinput;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) struct input_dev *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) int i, error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) if (list_empty(&hid->inputs)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) hid_err(hid, "no inputs found\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) hidinput = list_entry(hid->inputs.next, struct hid_input, list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) dev = hidinput->input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) for (i = 0; i < 4; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) report = hid_validate_values(hid, HID_OUTPUT_REPORT, 0, i, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (!report)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) zpff = kzalloc(sizeof(struct zpff_device), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if (!zpff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) set_bit(FF_RUMBLE, dev->ffbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) error = input_ff_create_memless(dev, zpff, zpff_play);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) kfree(zpff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) return error;
^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) zpff->report = report;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) zpff->report->field[0]->value[0] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) zpff->report->field[1]->value[0] = 0x02;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) zpff->report->field[2]->value[0] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) zpff->report->field[3]->value[0] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) hid_hw_request(hid, zpff->report, HID_REQ_SET_REPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) hid_info(hid, "force feedback for Zeroplus based devices by Anssi Hannula <anssi.hannula@gmail.com>\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) static inline int zpff_init(struct hid_device *hid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static int zp_probe(struct hid_device *hdev, const struct hid_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) ret = hid_parse(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) hid_err(hdev, "parse failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) hid_err(hdev, "hw start failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) zpff_init(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) static const struct hid_device_id zp_devices[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) MODULE_DEVICE_TABLE(hid, zp_devices);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static struct hid_driver zp_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) .name = "zeroplus",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) .id_table = zp_devices,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) .probe = zp_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) module_hid_driver(zp_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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