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drivers/hid/hid-sjoy.c
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// SPDX-License-Identifier: GPL-2.0-or-later |
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/* * Force feedback support for SmartJoy PLUS PS2->USB adapter * * Copyright (c) 2009 Jussi Kivilinna <jussi.kivilinna@mbnet.fi> * * Based of hid-pl.c and hid-gaff.c * Copyright (c) 2007, 2009 Anssi Hannula <anssi.hannula@gmail.com> * Copyright (c) 2008 Lukasz Lubojanski <lukasz@lubojanski.info> */ /* |
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*/ /* #define DEBUG */ #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" #ifdef CONFIG_SMARTJOYPLUS_FF |
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struct sjoyff_device { struct hid_report *report; }; static int hid_sjoyff_play(struct input_dev *dev, void *data, struct ff_effect *effect) { struct hid_device *hid = input_get_drvdata(dev); struct sjoyff_device *sjoyff = data; u32 left, right; left = effect->u.rumble.strong_magnitude; right = effect->u.rumble.weak_magnitude; dev_dbg(&dev->dev, "called with 0x%08x 0x%08x ", left, right); left = left * 0xff / 0xffff; right = (right != 0); /* on/off only */ sjoyff->report->field[0]->value[1] = right; sjoyff->report->field[0]->value[2] = left; dev_dbg(&dev->dev, "running with 0x%02x 0x%02x ", left, right); |
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hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT); |
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return 0; } static int sjoyff_init(struct hid_device *hid) { struct sjoyff_device *sjoyff; struct hid_report *report; |
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struct hid_input *hidinput; |
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struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct list_head *report_ptr = report_list; struct input_dev *dev; int error; if (list_empty(report_list)) { |
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hid_err(hid, "no output reports found "); |
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return -ENODEV; } |
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list_for_each_entry(hidinput, &hid->inputs, list) { report_ptr = report_ptr->next; |
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if (report_ptr == report_list) { hid_err(hid, "required output report is missing "); return -ENODEV; } |
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report = list_entry(report_ptr, struct hid_report, list); if (report->maxfield < 1) { hid_err(hid, "no fields in the report "); return -ENODEV; } |
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if (report->field[0]->report_count < 3) { hid_err(hid, "not enough values in the field "); return -ENODEV; } |
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sjoyff = kzalloc(sizeof(struct sjoyff_device), GFP_KERNEL); if (!sjoyff) return -ENOMEM; |
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dev = hidinput->input; |
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set_bit(FF_RUMBLE, dev->ffbit); |
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error = input_ff_create_memless(dev, sjoyff, hid_sjoyff_play); if (error) { kfree(sjoyff); return error; } |
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sjoyff->report = report; sjoyff->report->field[0]->value[0] = 0x01; sjoyff->report->field[0]->value[1] = 0x00; sjoyff->report->field[0]->value[2] = 0x00; |
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hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT); |
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} |
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hid_info(hid, "Force feedback for SmartJoy PLUS PS2/USB adapter "); |
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return 0; } #else static inline int sjoyff_init(struct hid_device *hid) { return 0; } #endif static int sjoy_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; |
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hdev->quirks |= id->driver_data; |
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ret = hid_parse(hdev); if (ret) { |
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hid_err(hdev, "parse failed "); |
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goto err; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); if (ret) { |
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hid_err(hdev, "hw start failed "); |
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goto err; } sjoyff_init(hdev); return 0; err: return ret; } static const struct hid_device_id sjoy_devices[] = { |
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{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO), .driver_data = HID_QUIRK_NOGET }, |
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{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO), .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET | HID_QUIRK_SKIP_OUTPUT_REPORTS }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO), .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET | HID_QUIRK_SKIP_OUTPUT_REPORTS }, |
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{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, |
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{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) }, |
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{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD), |
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.driver_data = HID_QUIRK_MULTI_INPUT | |
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HID_QUIRK_SKIP_OUTPUT_REPORTS }, |
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{ HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII), .driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, |
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{ } }; MODULE_DEVICE_TABLE(hid, sjoy_devices); static struct hid_driver sjoy_driver = { .name = "smartjoyplus", .id_table = sjoy_devices, .probe = sjoy_probe, }; |
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module_hid_driver(sjoy_driver); |
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MODULE_LICENSE("GPL"); MODULE_AUTHOR("Jussi Kivilinna"); |