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97 lines
1.9 KiB
97 lines
1.9 KiB
// 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 <[email protected]> |
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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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