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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Force feedback support for SmartJoy PLUS PS2->USB adapter4 *5 * Copyright (c) 2009 Jussi Kivilinna <jussi.kivilinna@mbnet.fi>6 *7 * Based of hid-pl.c and hid-gaff.c8 * Copyright (c) 2007, 2009 Anssi Hannula <anssi.hannula@gmail.com>9 * Copyright (c) 2008 Lukasz Lubojanski <lukasz@lubojanski.info>10 */11 12/*13 */14 15/* #define DEBUG */16 17#include <linux/input.h>18#include <linux/slab.h>19#include <linux/hid.h>20#include <linux/module.h>21#include "hid-ids.h"22 23#ifdef CONFIG_SMARTJOYPLUS_FF24 25struct sjoyff_device {26 struct hid_report *report;27};28 29static int hid_sjoyff_play(struct input_dev *dev, void *data,30 struct ff_effect *effect)31{32 struct hid_device *hid = input_get_drvdata(dev);33 struct sjoyff_device *sjoyff = data;34 u32 left, right;35 36 left = effect->u.rumble.strong_magnitude;37 right = effect->u.rumble.weak_magnitude;38 dev_dbg(&dev->dev, "called with 0x%08x 0x%08x\n", left, right);39 40 left = left * 0xff / 0xffff;41 right = (right != 0); /* on/off only */42 43 sjoyff->report->field[0]->value[1] = right;44 sjoyff->report->field[0]->value[2] = left;45 dev_dbg(&dev->dev, "running with 0x%02x 0x%02x\n", left, right);46 hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT);47 48 return 0;49}50 51static int sjoyff_init(struct hid_device *hid)52{53 struct sjoyff_device *sjoyff;54 struct hid_report *report;55 struct hid_input *hidinput;56 struct list_head *report_list =57 &hid->report_enum[HID_OUTPUT_REPORT].report_list;58 struct list_head *report_ptr = report_list;59 struct input_dev *dev;60 int error;61 62 if (list_empty(report_list)) {63 hid_err(hid, "no output reports found\n");64 return -ENODEV;65 }66 67 list_for_each_entry(hidinput, &hid->inputs, list) {68 report_ptr = report_ptr->next;69 70 if (report_ptr == report_list) {71 hid_err(hid, "required output report is missing\n");72 return -ENODEV;73 }74 75 report = list_entry(report_ptr, struct hid_report, list);76 if (report->maxfield < 1) {77 hid_err(hid, "no fields in the report\n");78 return -ENODEV;79 }80 81 if (report->field[0]->report_count < 3) {82 hid_err(hid, "not enough values in the field\n");83 return -ENODEV;84 }85 86 sjoyff = kzalloc(sizeof(struct sjoyff_device), GFP_KERNEL);87 if (!sjoyff)88 return -ENOMEM;89 90 dev = hidinput->input;91 92 set_bit(FF_RUMBLE, dev->ffbit);93 94 error = input_ff_create_memless(dev, sjoyff, hid_sjoyff_play);95 if (error) {96 kfree(sjoyff);97 return error;98 }99 100 sjoyff->report = report;101 sjoyff->report->field[0]->value[0] = 0x01;102 sjoyff->report->field[0]->value[1] = 0x00;103 sjoyff->report->field[0]->value[2] = 0x00;104 hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT);105 }106 107 hid_info(hid, "Force feedback for SmartJoy PLUS PS2/USB adapter\n");108 109 return 0;110}111#else112static inline int sjoyff_init(struct hid_device *hid)113{114 return 0;115}116#endif117 118static int sjoy_probe(struct hid_device *hdev, const struct hid_device_id *id)119{120 int ret;121 122 hdev->quirks |= id->driver_data;123 124 ret = hid_parse(hdev);125 if (ret) {126 hid_err(hdev, "parse failed\n");127 goto err;128 }129 130 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);131 if (ret) {132 hid_err(hdev, "hw start failed\n");133 goto err;134 }135 136 sjoyff_init(hdev);137 138 return 0;139err:140 return ret;141}142 143static const struct hid_device_id sjoy_devices[] = {144 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO),145 .driver_data = HID_QUIRK_NOGET },146 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO),147 .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET |148 HID_QUIRK_SKIP_OUTPUT_REPORTS },149 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO),150 .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET |151 HID_QUIRK_SKIP_OUTPUT_REPORTS },152 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },153 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },154 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD),155 .driver_data = HID_QUIRK_MULTI_INPUT |156 HID_QUIRK_SKIP_OUTPUT_REPORTS },157 { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII),158 .driver_data = HID_QUIRK_MULTI_INPUT |159 HID_QUIRK_SKIP_OUTPUT_REPORTS },160 { }161};162MODULE_DEVICE_TABLE(hid, sjoy_devices);163 164static struct hid_driver sjoy_driver = {165 .name = "smartjoyplus",166 .id_table = sjoy_devices,167 .probe = sjoy_probe,168};169module_hid_driver(sjoy_driver);170 171MODULE_DESCRIPTION("Force feedback support for SmartJoy PLUS PS2->USB adapter");172MODULE_LICENSE("GPL");173MODULE_AUTHOR("Jussi Kivilinna");174 175