HID: Add driver for Retrode2 joypad adapter

This driver does 2 things:

 - Apply the MULTI_INPUT quirk to create separate joypad device nodes
   for each one of the 4 connectors.
 - Rename the input devices so that their names are different, and allow
   users to recognise which device corresponds to which physical port,
   including the SNES (Mario Paint) Mouse.

Signed-off-by: Bastien Nocera <hadess@hadess.net>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Bastien Nocera 2017-06-20 18:13:37 +02:00 коммит произвёл Jiri Kosina
Родитель db1b5ccd27
Коммит 13b2e1ba48
5 изменённых файлов: 115 добавлений и 0 удалений

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@ -741,6 +741,14 @@ config HID_PRIMAX
Support for Primax devices that are not fully compliant with the
HID standard.
config HID_RETRODE
tristate "Retrode"
depends on USB_HID
---help---
Support for
* Retrode 2 cartridge and controller adapter
config HID_ROCCAT
tristate "Roccat device support"
depends on USB_HID

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@ -81,6 +81,7 @@ hid-picolcd-$(CONFIG_DEBUG_FS) += hid-picolcd_debugfs.o
obj-$(CONFIG_HID_PLANTRONICS) += hid-plantronics.o
obj-$(CONFIG_HID_PRIMAX) += hid-primax.o
obj-$(CONFIG_HID_RETRODE) += hid-retrode.o
obj-$(CONFIG_HID_ROCCAT) += hid-roccat.o hid-roccat-common.o \
hid-roccat-arvo.o hid-roccat-isku.o hid-roccat-kone.o \
hid-roccat-koneplus.o hid-roccat-konepure.o hid-roccat-kovaplus.o \

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@ -2151,6 +2151,9 @@ static const struct hid_device_id hid_have_special_driver[] = {
#if IS_ENABLED(CONFIG_HID_PRODIKEYS)
{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
#endif
#if IS_ENABLED(CONFIG_HID_RETRODE)
{ HID_USB_DEVICE(USB_VENDOR_ID_FUTURE_TECHNOLOGY, USB_DEVICE_ID_RETRODE2) },
#endif
#if IS_ENABLED(CONFIG_HID_RMI)
{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_COVER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },

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@ -386,6 +386,9 @@
#define USB_VENDOR_ID_FUTABA 0x0547
#define USB_DEVICE_ID_LED_DISPLAY 0x7000
#define USB_VENDOR_ID_FUTURE_TECHNOLOGY 0x0403
#define USB_DEVICE_ID_RETRODE2 0x97c1
#define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
#define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100

100
drivers/hid/hid-retrode.c Normal file
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@ -0,0 +1,100 @@
/*
* HID driver for Retrode 2 controller adapter and plug-in extensions
*
* Copyright (c) 2017 Bastien Nocera <hadess@hadess.net>
*/
/*
* 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.
*/
#include <linux/input.h>
#include <linux/slab.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
#define CONTROLLER_NAME_BASE "Retrode"
static int retrode_input_configured(struct hid_device *hdev,
struct hid_input *hi)
{
struct hid_field *field = hi->report->field[0];
const char *suffix;
int number = 0;
char *name;
switch (field->report->id) {
case 0:
suffix = "SNES Mouse";
break;
case 1:
case 2:
suffix = "SNES / N64";
number = field->report->id;
break;
case 3:
case 4:
suffix = "Mega Drive";
number = field->report->id - 2;
break;
default:
hid_err(hdev, "Got unhandled report id %d\n", field->report->id);
suffix = "Unknown";
}
if (number)
name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
"%s %s #%d", CONTROLLER_NAME_BASE,
suffix, number);
else
name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
"%s %s", CONTROLLER_NAME_BASE, suffix);
if (!name)
return -ENOMEM;
hi->input->name = name;
return 0;
}
static int retrode_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
int ret;
/* Has no effect on the mouse device */
hdev->quirks |= HID_QUIRK_MULTI_INPUT;
ret = hid_parse(hdev);
if (ret)
return ret;
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret)
return ret;
return 0;
}
static const struct hid_device_id retrode_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_FUTURE_TECHNOLOGY, USB_DEVICE_ID_RETRODE2) },
{ }
};
MODULE_DEVICE_TABLE(hid, retrode_devices);
static struct hid_driver retrode_driver = {
.name = "hid-retrode",
.id_table = retrode_devices,
.input_configured = retrode_input_configured,
.probe = retrode_probe,
};
module_hid_driver(retrode_driver);
MODULE_LICENSE("GPL");