HID: add ACRUX game controller force feedback support (c0dbcc33) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/hid/Kconfig

+9 −0

Original line number	Diff line number	Diff line
		@@ -68,6 +68,15 @@ config HID_A4TECH
		---help---
		Support for A4 tech X5 and WOP-35 / Trust 450L mice.

		config HID_ACRUX_FF
		tristate "ACRUX force feedback support"
		depends on USB_HID
		default !EMBEDDED
		select INPUT_FF_MEMLESS
		---help---
		Say Y here if you want to enable force feedback support for ACRUX
		game controllers.

		config HID_APPLE
		tristate "Apple" if EMBEDDED
		depends on (USB_HID \|\| BT_HIDP)

drivers/hid/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@ endif

		obj-$(CONFIG_HID_3M_PCT) += hid-3m-pct.o
		obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o
		obj-$(CONFIG_HID_ACRUX_FF) += hid-axff.o
		obj-$(CONFIG_HID_APPLE) += hid-apple.o
		obj-$(CONFIG_HID_BELKIN) += hid-belkin.o
		obj-$(CONFIG_HID_CANDO) += hid-cando.o

drivers/hid/hid-axff.c

0 → 100644

+172 −0

Original line number	Diff line number	Diff line
		/*
		* Force feedback support for ACRUX game controllers
		*
		* From what I have gathered, these devices are mass produced in China
		* by several vendors. They often share the same design as the original
		* Xbox 360 controller.
		*
		* 1a34:0802 "ACRUX USB GAMEPAD 8116"
		* - tested with a EXEQ EQ-PCU-02090 game controller.
		*
		* Copyright (c) 2010 Sergei Kolzun <x0r@dv-life.ru>
		*/

		/*
		* 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.
		*
		* This program is distributed in the hope that it will be useful,
		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		* GNU General Public License for more details.
		*
		* You should have received a copy of the GNU General Public License
		* along with this program; if not, write to the Free Software
		* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		*/

		#include <linux/input.h>
		#include <linux/slab.h>
		#include <linux/usb.h>
		#include <linux/hid.h>

		#include "hid-ids.h"
		#include "usbhid/usbhid.h"

		struct axff_device {
		struct hid_report *report;
		};

		static int axff_play(struct input_dev dev, void data, struct ff_effect *effect)
		{
		struct hid_device *hid = input_get_drvdata(dev);
		struct axff_device *axff = data;
		int left, right;

		left = effect->u.rumble.strong_magnitude;
		right = effect->u.rumble.weak_magnitude;

		dbg_hid("called with 0x%04x 0x%04x", left, right);

		left = left * 0xff / 0xffff;
		right = right * 0xff / 0xffff;

		axff->report->field[0]->value[0] = left;
		axff->report->field[1]->value[0] = right;
		axff->report->field[2]->value[0] = left;
		axff->report->field[3]->value[0] = right;
		dbg_hid("running with 0x%02x 0x%02x", left, right);
		usbhid_submit_report(hid, axff->report, USB_DIR_OUT);

		return 0;
		}

		static int axff_init(struct hid_device *hid)
		{
		struct axff_device *axff;
		struct hid_report *report;
		struct hid_input *hidinput = list_first_entry(&hid->inputs, struct hid_input, list);
		struct list_head *report_list =&hid->report_enum[HID_OUTPUT_REPORT].report_list;
		struct input_dev *dev = hidinput->input;
		int error;

		if (list_empty(report_list)) {
		dev_err(&hid->dev, "no output reports found\n");
		return -ENODEV;
		}

		report = list_first_entry(report_list, struct hid_report, list);

		if (report->maxfield < 4) {
		dev_err(&hid->dev, "no fields in the report: %d\n", report->maxfield);
		return -ENODEV;
		}

		axff = kzalloc(sizeof(struct axff_device), GFP_KERNEL);
		if (!axff)
		return -ENOMEM;

		set_bit(FF_RUMBLE, dev->ffbit);

		error = input_ff_create_memless(dev, axff, axff_play);
		if (error)
		goto err_free_mem;

		axff->report = report;
		axff->report->field[0]->value[0] = 0x00;
		axff->report->field[1]->value[0] = 0x00;
		axff->report->field[2]->value[0] = 0x00;
		axff->report->field[3]->value[0] = 0x00;
		usbhid_submit_report(hid, axff->report, USB_DIR_OUT);

		dev_info(&hid->dev, "Force Feedback for ACRUX game controllers by Sergei Kolzun<x0r@dv-life.ru>\n");

		return 0;

		err_free_mem:
		kfree(axff);
		return error;
		}

		static int ax_probe(struct hid_device hdev, const struct hid_device_id id)
		{
		int error;

		dev_dbg(&hdev->dev, "ACRUX HID hardware probe...");

		error = hid_parse(hdev);
		if (error) {
		dev_err(&hdev->dev, "parse failed\n");
		return error;
		}

		error = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
		if (error) {
		dev_err(&hdev->dev, "hw start failed\n");
		return error;
		}

		error = axff_init(hdev);
		if (error) {
		/*
		* Do not fail device initialization completely as device
		* may still be partially operable, just warn.
		*/
		dev_warn(&hdev->dev,
		"Failed to enable force feedback support, error: %d\n",
		error);
		}

		return 0;
		}

		static const struct hid_device_id ax_devices[] = {
		{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802), },
		{ }
		};
		MODULE_DEVICE_TABLE(hid, ax_devices);

		static struct hid_driver ax_driver = {
		.name = "acrux",
		.id_table = ax_devices,
		.probe = ax_probe,
		};

		static int __init ax_init(void)
		{
		return hid_register_driver(&ax_driver);
		}

		static void __exit ax_exit(void)
		{
		hid_unregister_driver(&ax_driver);
		}

		module_init(ax_init);
		module_exit(ax_exit);

		MODULE_AUTHOR("Sergei Kolzun");
		MODULE_DESCRIPTION("Force feedback support for ACRUX game controllers");
		MODULE_LICENSE("GPL");

drivers/hid/hid-core.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1239,6 +1239,9 @@ static const struct hid_device_id hid_blacklist[] = {
		{ HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
		#if defined(CONFIG_HID_ACRUX_FF) \|\| defined(CONFIG_HID_ACRUX_FF_MODULE)
		{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
		#endif
		{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
		{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },

drivers/hid/hid-ids.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -34,6 +34,8 @@
		#define USB_DEVICE_ID_ACECAD_FLAIR 0x0004
		#define USB_DEVICE_ID_ACECAD_302 0x0008

		#define USB_VENDOR_ID_ACRUX 0x1a34

		#define USB_VENDOR_ID_ADS_TECH 0x06e1
		#define USB_DEVICE_ID_ADS_TECH_RADIO_SI470X 0xa155