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Commit 0f221320 authored by Jiri Slaby's avatar Jiri Slaby Committed by Jiri Kosina
Browse files

HID: move cypress quirks 



Signed-off-by: default avatarJiri Slaby <jirislaby@gmail.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 90231e7e

drivers/hid/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -96,6 +96,13 @@ config HID_APPLE 


	If unsure, say M.



config HID_CYPRESS

	tristate "Cypress"

	default m

	depends on USB_HID

	---help---

	Support for Cypress mouse and barcodes.



config HID_LOGITECH

	tristate "Logitech"

	default m

drivers/hid/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ obj-m += hid-dummy.o 
endif



obj-$(CONFIG_HID_APPLE)		+= hid-apple.o

obj-$(CONFIG_HID_CYPRESS)	+= hid-cypress.o

obj-$(CONFIG_HID_LOGITECH)	+= hid-logitech.o

obj-$(CONFIG_HID_MICROSOFT)	+= hid-microsoft.o

obj-$(CONFIG_HID_SUNPLUS)	+= hid-sunplus.o

drivers/hid/hid-core.c

+3 −0
Original line number Diff line number Diff line
@@ -1162,6 +1162,9 @@ static const struct hid_device_id hid_blacklist[] = { 
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },

drivers/hid/hid-cypress.c

0 → 100644
+158 −0
Original line number Diff line number Diff line 
/*

 *  HID driver for some cypress "special" devices

 *

 *  Copyright (c) 1999 Andreas Gal

 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>

 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc

 *  Copyright (c) 2006-2007 Jiri Kosina

 *  Copyright (c) 2007 Paul Walmsley

 *  Copyright (c) 2008 Jiri Slaby

 */



/*

 * 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/device.h>

#include <linux/hid.h>

#include <linux/input.h>

#include <linux/module.h>



#include "hid-ids.h"



#define CP_RDESC_SWAPPED_MIN_MAX	0x01

#define CP_2WHEEL_MOUSE_HACK		0x02

#define CP_2WHEEL_MOUSE_HACK_ON		0x04



/*

 * Some USB barcode readers from cypress have usage min and usage max in

 * the wrong order

 */

static void cp_report_fixup(struct hid_device *hdev, __u8 *rdesc,

		unsigned int rsize)

{

	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);

	unsigned int i;



	if (!(quirks & CP_RDESC_SWAPPED_MIN_MAX))

		return;



	for (i = 0; i < rsize - 4; i++)

		if (rdesc[i] == 0x29 && rdesc[i + 2] == 0x19) {

			__u8 tmp;



			rdesc[i] = 0x19;

			rdesc[i + 2] = 0x29;

			tmp = rdesc[i + 3];

			rdesc[i + 3] = rdesc[i + 1];

			rdesc[i + 1] = tmp;

		}

}



static int cp_input_mapped(struct hid_device *hdev, struct hid_input *hi,

		struct hid_field *field, struct hid_usage *usage,

		unsigned long **bit, int *max)

{

	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);



	if (!(quirks & CP_2WHEEL_MOUSE_HACK))

		return 0;



	if (usage->type == EV_REL && usage->code == REL_WHEEL)

		set_bit(REL_HWHEEL, *bit);

	if (usage->hid == 0x00090005)

		return -1;



	return 0;

}



static int cp_event(struct hid_device *hdev, struct hid_field *field,

		struct hid_usage *usage, __s32 value)

{

	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);



	if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||

			!usage->type || !(quirks & CP_2WHEEL_MOUSE_HACK))

		return 0;



	if (usage->hid == 0x00090005) {

		if (value)

			quirks |=  CP_2WHEEL_MOUSE_HACK_ON;

		else

			quirks &= ~CP_2WHEEL_MOUSE_HACK_ON;

		hid_set_drvdata(hdev, (void *)quirks);

		return 1;

	}



	if (usage->code == REL_WHEEL && (quirks & CP_2WHEEL_MOUSE_HACK_ON)) {

		struct input_dev *input = field->hidinput->input;



		input_event(input, usage->type, REL_HWHEEL, value);

		return 1;

	}



	return 0;

}



static int cp_probe(struct hid_device *hdev, const struct hid_device_id *id)

{

	unsigned long quirks = id->driver_data;

	int ret;



	hid_set_drvdata(hdev, (void *)quirks);



	ret = hid_parse(hdev);

	if (ret) {

		dev_err(&hdev->dev, "parse failed\n");

		goto err_free;

	}



	ret = hid_hw_start(hdev);

	if (ret) {

		dev_err(&hdev->dev, "hw start failed\n");

		goto err_free;

	}



	return 0;

err_free:

	return ret;

}



static const struct hid_device_id cp_devices[] = {

	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1),

		.driver_data = CP_RDESC_SWAPPED_MIN_MAX },

	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2),

		.driver_data = CP_RDESC_SWAPPED_MIN_MAX },

	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE),

		.driver_data = CP_2WHEEL_MOUSE_HACK },

	{ }

};

MODULE_DEVICE_TABLE(hid, cp_devices);



static struct hid_driver cp_driver = {

	.name = "cypress",

	.id_table = cp_devices,

	.report_fixup = cp_report_fixup,

	.input_mapped = cp_input_mapped,

	.event = cp_event,

	.probe = cp_probe,

};



static int cp_init(void)

{

	return hid_register_driver(&cp_driver);

}



static void cp_exit(void)

{

	hid_unregister_driver(&cp_driver);

}



module_init(cp_init);

module_exit(cp_exit);

MODULE_LICENSE("GPL");



HID_COMPAT_LOAD_DRIVER(cypress);

drivers/hid/hid-dummy.c

+3 −0
Original line number Diff line number Diff line
@@ -7,6 +7,9 @@ static int __init hid_dummy_init(void) 
#ifdef CONFIG_HID_APPLE_MODULE

	HID_COMPAT_CALL_DRIVER(apple);

#endif

#ifdef CONFIG_HID_CYPRESS_MODULE

	HID_COMPAT_CALL_DRIVER(cypress);

#endif

#ifdef CONFIG_HID_LOGITECH_MODULE

	HID_COMPAT_CALL_DRIVER(logitech);

#endif