HID: hid-bigbenff: driver for BigBen Interactive PS3OFMINIPAD gamepad (256a90ed) · Commits · 戴 / test

drivers/hid/Kconfig

+13 −0

Original line number	Diff line number	Diff line
		@@ -182,6 +182,19 @@ config HID_BETOP_FF
		Currently the following devices are known to be supported:
		- BETOP 2185 PC & BFM MODE

		config HID_BIGBEN_FF
		tristate "BigBen Interactive Kids' gamepad support"
		depends on USB_HID
		depends on NEW_LEDS
		depends on LEDS_CLASS
		select INPUT_FF_MEMLESS
		default !EXPERT
		help
		Support for the "Kid-friendly Wired Controller" PS3OFMINIPAD
		gamepad made by BigBen Interactive, originally sold as a PS3
		accessory. This driver fixes input mapping and adds support for
		force feedback effects and LEDs on the device.

		config HID_CHERRY
		tristate "Cherry Cymotion keyboard"
		depends on HID

drivers/hid/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,7 @@ obj-$(CONFIG_HID_ASUS) += hid-asus.o
		obj-$(CONFIG_HID_AUREAL) += hid-aureal.o
		obj-$(CONFIG_HID_BELKIN) += hid-belkin.o
		obj-$(CONFIG_HID_BETOP_FF) += hid-betopff.o
		obj-$(CONFIG_HID_BIGBEN_FF) += hid-bigbenff.o
		obj-$(CONFIG_HID_CHERRY) += hid-cherry.o
		obj-$(CONFIG_HID_CHICONY) += hid-chicony.o
		obj-$(CONFIG_HID_CMEDIA) += hid-cmedia.o

drivers/hid/hid-bigbenff.c

0 → 100644

+414 −0

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0+

		/*
		* LED & force feedback support for BigBen Interactive
		*
		* 0x146b:0x0902 "Bigben Interactive Bigben Game Pad"
		* "Kid-friendly Wired Controller" PS3OFMINIPAD SONY
		* sold for use with the PS3
		*
		* Copyright (c) 2018 Hanno Zulla <kontakt@hanno.de>
		*/

		#include <linux/input.h>
		#include <linux/slab.h>
		#include <linux/module.h>
		#include <linux/leds.h>
		#include <linux/hid.h>

		#include "hid-ids.h"


		/*
		* The original descriptor for 0x146b:0x0902
		*
		* 0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
		* 0x09, 0x05, // Usage (Game Pad)
		* 0xA1, 0x01, // Collection (Application)
		* 0x15, 0x00, // Logical Minimum (0)
		* 0x25, 0x01, // Logical Maximum (1)
		* 0x35, 0x00, // Physical Minimum (0)
		* 0x45, 0x01, // Physical Maximum (1)
		* 0x75, 0x01, // Report Size (1)
		* 0x95, 0x0D, // Report Count (13)
		* 0x05, 0x09, // Usage Page (Button)
		* 0x19, 0x01, // Usage Minimum (0x01)
		* 0x29, 0x0D, // Usage Maximum (0x0D)
		* 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
		* 0x95, 0x03, // Report Count (3)
		* 0x81, 0x01, // Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position)
		* 0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
		* 0x25, 0x07, // Logical Maximum (7)
		* 0x46, 0x3B, 0x01, // Physical Maximum (315)
		* 0x75, 0x04, // Report Size (4)
		* 0x95, 0x01, // Report Count (1)
		* 0x65, 0x14, // Unit (System: English Rotation, Length: Centimeter)
		* 0x09, 0x39, // Usage (Hat switch)
		* 0x81, 0x42, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,Null State)
		* 0x65, 0x00, // Unit (None)
		* 0x95, 0x01, // Report Count (1)
		* 0x81, 0x01, // Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position)
		* 0x26, 0xFF, 0x00, // Logical Maximum (255)
		* 0x46, 0xFF, 0x00, // Physical Maximum (255)
		* 0x09, 0x30, // Usage (X)
		* 0x09, 0x31, // Usage (Y)
		* 0x09, 0x32, // Usage (Z)
		* 0x09, 0x35, // Usage (Rz)
		* 0x75, 0x08, // Report Size (8)
		* 0x95, 0x04, // Report Count (4)
		* 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
		* 0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00)
		* 0x09, 0x20, // Usage (0x20)
		* 0x09, 0x21, // Usage (0x21)
		* 0x09, 0x22, // Usage (0x22)
		* 0x09, 0x23, // Usage (0x23)
		* 0x09, 0x24, // Usage (0x24)
		* 0x09, 0x25, // Usage (0x25)
		* 0x09, 0x26, // Usage (0x26)
		* 0x09, 0x27, // Usage (0x27)
		* 0x09, 0x28, // Usage (0x28)
		* 0x09, 0x29, // Usage (0x29)
		* 0x09, 0x2A, // Usage (0x2A)
		* 0x09, 0x2B, // Usage (0x2B)
		* 0x95, 0x0C, // Report Count (12)
		* 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
		* 0x0A, 0x21, 0x26, // Usage (0x2621)
		* 0x95, 0x08, // Report Count (8)
		* 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
		* 0x0A, 0x21, 0x26, // Usage (0x2621)
		* 0x91, 0x02, // Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
		* 0x26, 0xFF, 0x03, // Logical Maximum (1023)
		* 0x46, 0xFF, 0x03, // Physical Maximum (1023)
		* 0x09, 0x2C, // Usage (0x2C)
		* 0x09, 0x2D, // Usage (0x2D)
		* 0x09, 0x2E, // Usage (0x2E)
		* 0x09, 0x2F, // Usage (0x2F)
		* 0x75, 0x10, // Report Size (16)
		* 0x95, 0x04, // Report Count (4)
		* 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
		* 0xC0, // End Collection
		*/

		#define PID0902_RDESC_ORIG_SIZE 137

		/*
		* The fixed descriptor for 0x146b:0x0902
		*
		* - map buttons according to gamepad.rst
		* - assign right stick from Z/Rz to Rx/Ry
		* - map previously unused analog trigger data to Z/RZ
		* - simplify feature and output descriptor
		*/
		static __u8 pid0902_rdesc_fixed[] = {
		0x05, 0x01, /* Usage Page (Generic Desktop Ctrls) */
		0x09, 0x05, /* Usage (Game Pad) */
		0xA1, 0x01, /* Collection (Application) */
		0x15, 0x00, /* Logical Minimum (0) */
		0x25, 0x01, /* Logical Maximum (1) */
		0x35, 0x00, /* Physical Minimum (0) */
		0x45, 0x01, /* Physical Maximum (1) */
		0x75, 0x01, /* Report Size (1) */
		0x95, 0x0D, /* Report Count (13) */
		0x05, 0x09, /* Usage Page (Button) */
		0x09, 0x05, /* Usage (BTN_WEST) */
		0x09, 0x01, /* Usage (BTN_SOUTH) */
		0x09, 0x02, /* Usage (BTN_EAST) */
		0x09, 0x04, /* Usage (BTN_NORTH) */
		0x09, 0x07, /* Usage (BTN_TL) */
		0x09, 0x08, /* Usage (BTN_TR) */
		0x09, 0x09, /* Usage (BTN_TL2) */
		0x09, 0x0A, /* Usage (BTN_TR2) */
		0x09, 0x0B, /* Usage (BTN_SELECT) */
		0x09, 0x0C, /* Usage (BTN_START) */
		0x09, 0x0E, /* Usage (BTN_THUMBL) */
		0x09, 0x0F, /* Usage (BTN_THUMBR) */
		0x09, 0x0D, /* Usage (BTN_MODE) */
		0x81, 0x02, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) */
		0x75, 0x01, /* Report Size (1) */
		0x95, 0x03, /* Report Count (3) */
		0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */
		0x05, 0x01, /* Usage Page (Generic Desktop Ctrls) */
		0x25, 0x07, /* Logical Maximum (7) */
		0x46, 0x3B, 0x01, /* Physical Maximum (315) */
		0x75, 0x04, /* Report Size (4) */
		0x95, 0x01, /* Report Count (1) */
		0x65, 0x14, /* Unit (System: English Rotation, Length: Centimeter) */
		0x09, 0x39, /* Usage (Hat switch) */
		0x81, 0x42, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,Null State) */
		0x65, 0x00, /* Unit (None) */
		0x95, 0x01, /* Report Count (1) */
		0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */
		0x26, 0xFF, 0x00, /* Logical Maximum (255) */
		0x46, 0xFF, 0x00, /* Physical Maximum (255) */
		0x09, 0x30, /* Usage (X) */
		0x09, 0x31, /* Usage (Y) */
		0x09, 0x33, /* Usage (Rx) */
		0x09, 0x34, /* Usage (Ry) */
		0x75, 0x08, /* Report Size (8) */
		0x95, 0x04, /* Report Count (4) */
		0x81, 0x02, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) */
		0x95, 0x0A, /* Report Count (10) */
		0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */
		0x05, 0x01, /* Usage Page (Generic Desktop Ctrls) */
		0x26, 0xFF, 0x00, /* Logical Maximum (255) */
		0x46, 0xFF, 0x00, /* Physical Maximum (255) */
		0x09, 0x32, /* Usage (Z) */
		0x09, 0x35, /* Usage (Rz) */
		0x95, 0x02, /* Report Count (2) */
		0x81, 0x02, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) */
		0x95, 0x08, /* Report Count (8) */
		0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */
		0x06, 0x00, 0xFF, /* Usage Page (Vendor Defined 0xFF00) */
		0xB1, 0x02, /* Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) */
		0x0A, 0x21, 0x26, /* Usage (0x2621) */
		0x95, 0x08, /* Report Count (8) */
		0x91, 0x02, /* Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) */
		0x0A, 0x21, 0x26, /* Usage (0x2621) */
		0x95, 0x08, /* Report Count (8) */
		0x81, 0x02, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) */
		0xC0, /* End Collection */
		};

		#define NUM_LEDS 4

		struct bigben_device {
		struct hid_device *hid;
		struct hid_report *report;
		u8 led_state; /* LED1 = 1 .. LED4 = 8 */
		u8 right_motor_on; /* right motor off/on 0/1 */
		u8 left_motor_force; /* left motor force 0-255 */
		struct led_classdev *leds[NUM_LEDS];
		bool work_led;
		bool work_ff;
		struct work_struct worker;
		};


		static void bigben_worker(struct work_struct *work)
		{
		struct bigben_device *bigben = container_of(work,
		struct bigben_device, worker);
		struct hid_field *report_field = bigben->report->field[0];

		if (bigben->work_led) {
		bigben->work_led = false;
		report_field->value[0] = 0x01; /* 1 = led message */
		report_field->value[1] = 0x08; /* reserved value, always 8 */
		report_field->value[2] = bigben->led_state;
		report_field->value[3] = 0x00; /* padding */
		report_field->value[4] = 0x00; /* padding */
		report_field->value[5] = 0x00; /* padding */
		report_field->value[6] = 0x00; /* padding */
		report_field->value[7] = 0x00; /* padding */
		hid_hw_request(bigben->hid, bigben->report, HID_REQ_SET_REPORT);
		}

		if (bigben->work_ff) {
		bigben->work_ff = false;
		report_field->value[0] = 0x02; /* 2 = rumble effect message */
		report_field->value[1] = 0x08; /* reserved value, always 8 */
		report_field->value[2] = bigben->right_motor_on;
		report_field->value[3] = bigben->left_motor_force;
		report_field->value[4] = 0xff; /* duration 0-254 (255 = nonstop) */
		report_field->value[5] = 0x00; /* padding */
		report_field->value[6] = 0x00; /* padding */
		report_field->value[7] = 0x00; /* padding */
		hid_hw_request(bigben->hid, bigben->report, HID_REQ_SET_REPORT);
		}
		}

		static int hid_bigben_play_effect(struct input_dev dev, void data,
		struct ff_effect *effect)
		{
		struct bigben_device *bigben = data;
		u8 right_motor_on;
		u8 left_motor_force;

		if (effect->type != FF_RUMBLE)
		return 0;

		right_motor_on = effect->u.rumble.weak_magnitude ? 1 : 0;
		left_motor_force = effect->u.rumble.strong_magnitude / 256;

		if (right_motor_on != bigben->right_motor_on \|\|
		left_motor_force != bigben->left_motor_force) {
		bigben->right_motor_on = right_motor_on;
		bigben->left_motor_force = left_motor_force;
		bigben->work_ff = true;
		schedule_work(&bigben->worker);
		}

		return 0;
		}

		static void bigben_set_led(struct led_classdev *led,
		enum led_brightness value)
		{
		struct device *dev = led->dev->parent;
		struct hid_device *hid = to_hid_device(dev);
		struct bigben_device *bigben = hid_get_drvdata(hid);
		int n;
		bool work;

		if (!bigben) {
		hid_err(hid, "no device data\n");
		return;
		}

		for (n = 0; n < NUM_LEDS; n++) {
		if (led == bigben->leds[n]) {
		if (value == LED_OFF) {
		work = (bigben->led_state & BIT(n));
		bigben->led_state &= ~BIT(n);
		} else {
		work = !(bigben->led_state & BIT(n));
		bigben->led_state \|= BIT(n);
		}

		if (work) {
		bigben->work_led = true;
		schedule_work(&bigben->worker);
		}
		return;
		}
		}
		}

		static enum led_brightness bigben_get_led(struct led_classdev *led)
		{
		struct device *dev = led->dev->parent;
		struct hid_device *hid = to_hid_device(dev);
		struct bigben_device *bigben = hid_get_drvdata(hid);
		int n;

		if (!bigben) {
		hid_err(hid, "no device data\n");
		return LED_OFF;
		}

		for (n = 0; n < NUM_LEDS; n++) {
		if (led == bigben->leds[n])
		return (bigben->led_state & BIT(n)) ? LED_ON : LED_OFF;
		}

		return LED_OFF;
		}

		static void bigben_remove(struct hid_device *hid)
		{
		struct bigben_device *bigben = hid_get_drvdata(hid);

		cancel_work_sync(&bigben->worker);
		hid_hw_close(hid);
		hid_hw_stop(hid);
		}

		static int bigben_probe(struct hid_device *hid,
		const struct hid_device_id *id)
		{
		struct bigben_device *bigben;
		struct hid_input *hidinput;
		struct list_head *report_list;
		struct led_classdev *led;
		char *name;
		size_t name_sz;
		int n, error;

		bigben = devm_kzalloc(&hid->dev, sizeof(*bigben), GFP_KERNEL);
		if (!bigben)
		return -ENOMEM;
		hid_set_drvdata(hid, bigben);
		bigben->hid = hid;

		error = hid_parse(hid);
		if (error) {
		hid_err(hid, "parse failed\n");
		return error;
		}

		error = hid_hw_start(hid, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
		if (error) {
		hid_err(hid, "hw start failed\n");
		return error;
		}

		report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
		bigben->report = list_entry(report_list->next,
		struct hid_report, list);

		hidinput = list_first_entry(&hid->inputs, struct hid_input, list);
		set_bit(FF_RUMBLE, hidinput->input->ffbit);

		INIT_WORK(&bigben->worker, bigben_worker);

		error = input_ff_create_memless(hidinput->input, bigben,
		hid_bigben_play_effect);
		if (error)
		return error;

		name_sz = strlen(dev_name(&hid->dev)) + strlen(":red:bigben#") + 1;

		for (n = 0; n < NUM_LEDS; n++) {
		led = devm_kzalloc(
		&hid->dev,
		sizeof(struct led_classdev) + name_sz,
		GFP_KERNEL
		);
		if (!led)
		return -ENOMEM;
		name = (void *)(&led[1]);
		snprintf(name, name_sz,
		"%s:red:bigben%d",
		dev_name(&hid->dev), n + 1
		);
		led->name = name;
		led->brightness = (n == 0) ? LED_ON : LED_OFF;
		led->max_brightness = 1;
		led->brightness_get = bigben_get_led;
		led->brightness_set = bigben_set_led;
		bigben->leds[n] = led;
		error = devm_led_classdev_register(&hid->dev, led);
		if (error)
		return error;
		}

		/* initial state: LED1 is on, no rumble effect */
		bigben->led_state = BIT(0);
		bigben->right_motor_on = 0;
		bigben->left_motor_force = 0;
		bigben->work_led = true;
		bigben->work_ff = true;
		schedule_work(&bigben->worker);

		hid_info(hid, "LED and force feedback support for BigBen gamepad\n");

		return 0;
		}

		static __u8 bigben_report_fixup(struct hid_device hid, __u8 *rdesc,
		unsigned int *rsize)
		{
		if (*rsize == PID0902_RDESC_ORIG_SIZE) {
		rdesc = pid0902_rdesc_fixed;
		*rsize = sizeof(pid0902_rdesc_fixed);
		} else
		hid_warn(hid, "unexpected rdesc, please submit for review\n");
		return rdesc;
		}

		static const struct hid_device_id bigben_devices[] = {
		{ HID_USB_DEVICE(USB_VENDOR_ID_BIGBEN, USB_DEVICE_ID_BIGBEN_PS3OFMINIPAD) },
		{ }
		};
		MODULE_DEVICE_TABLE(hid, bigben_devices);

		static struct hid_driver bigben_driver = {
		.name = "bigben",
		.id_table = bigben_devices,
		.probe = bigben_probe,
		.report_fixup = bigben_report_fixup,
		.remove = bigben_remove,
		};
		module_hid_driver(bigben_driver);

		MODULE_LICENSE("GPL");

drivers/hid/hid-ids.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -229,6 +229,9 @@
		#define USB_VENDOR_ID_BETOP_2185V2PC 0x8380
		#define USB_VENDOR_ID_BETOP_2185V2BFM 0x20bc

		#define USB_VENDOR_ID_BIGBEN 0x146b
		#define USB_DEVICE_ID_BIGBEN_PS3OFMINIPAD 0x0902

		#define USB_VENDOR_ID_BTC 0x046e
		#define USB_DEVICE_ID_BTC_EMPREX_REMOTE 0x5578
		#define USB_DEVICE_ID_BTC_EMPREX_REMOTE_2 0x5577

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