^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) * HID driver for Retrode 2 controller adapter and plug-in extensions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2017 Bastien Nocera <hadess@hadess.net>
^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) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/hid.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "hid-ids.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define CONTROLLER_NAME_BASE "Retrode"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static int retrode_input_configured(struct hid_device *hdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct hid_input *hi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct hid_field *field = hi->report->field[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) const char *suffix;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) int number = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) switch (field->report->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) suffix = "SNES Mouse";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) suffix = "SNES / N64";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) number = field->report->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) suffix = "Mega Drive";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) number = field->report->id - 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) hid_err(hdev, "Got unhandled report id %d\n", field->report->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) suffix = "Unknown";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) if (number)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) "%s %s #%d", CONTROLLER_NAME_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) suffix, number);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) "%s %s", CONTROLLER_NAME_BASE, suffix);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) if (!name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) hi->input->name = name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static int retrode_probe(struct hid_device *hdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) const struct hid_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) /* Has no effect on the mouse device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) hdev->quirks |= HID_QUIRK_MULTI_INPUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) ret = hid_parse(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) static const struct hid_device_id retrode_devices[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) { HID_USB_DEVICE(USB_VENDOR_ID_FUTURE_TECHNOLOGY, USB_DEVICE_ID_RETRODE2) },
^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) MODULE_DEVICE_TABLE(hid, retrode_devices);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) static struct hid_driver retrode_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) .name = "hid-retrode",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .id_table = retrode_devices,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) .input_configured = retrode_input_configured,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) .probe = retrode_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) module_hid_driver(retrode_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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