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2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
98 lines
1.9 KiB
C
98 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* HID driver for Retrode 2 controller adapter and plug-in extensions
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*
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* Copyright (c) 2017 Bastien Nocera <hadess@hadess.net>
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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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#define CONTROLLER_NAME_BASE "Retrode"
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static int retrode_input_configured(struct hid_device *hdev,
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struct hid_input *hi)
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{
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struct hid_field *field = hi->report->field[0];
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const char *suffix;
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int number = 0;
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char *name;
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switch (field->report->id) {
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case 0:
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suffix = "SNES Mouse";
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break;
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case 1:
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case 2:
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suffix = "SNES / N64";
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number = field->report->id;
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break;
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case 3:
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case 4:
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suffix = "Mega Drive";
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number = field->report->id - 2;
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break;
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default:
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hid_err(hdev, "Got unhandled report id %d\n", field->report->id);
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suffix = "Unknown";
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}
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if (number)
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name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
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"%s %s #%d", CONTROLLER_NAME_BASE,
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suffix, number);
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else
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name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
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"%s %s", CONTROLLER_NAME_BASE, suffix);
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if (!name)
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return -ENOMEM;
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hi->input->name = name;
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return 0;
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}
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static int retrode_probe(struct hid_device *hdev,
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const struct hid_device_id *id)
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{
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int ret;
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/* Has no effect on the mouse device */
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hdev->quirks |= HID_QUIRK_MULTI_INPUT;
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ret = hid_parse(hdev);
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if (ret)
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return ret;
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ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
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if (ret)
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return ret;
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return 0;
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}
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static const struct hid_device_id retrode_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_FUTURE_TECHNOLOGY, USB_DEVICE_ID_RETRODE2) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, retrode_devices);
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static struct hid_driver retrode_driver = {
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.name = "hid-retrode",
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.id_table = retrode_devices,
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.input_configured = retrode_input_configured,
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.probe = retrode_probe,
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};
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module_hid_driver(retrode_driver);
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MODULE_LICENSE("GPL");
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