[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / hid / hid-monterey.c

/*
 *  HID driver for some monterey "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) 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/module.h>

#include "hid-ids.h"

static __u8 *mr_report_fixup(struct hid_device *hdev, __u8 *rdesc,
		unsigned int *rsize)
{
	if (*rsize >= 31 && rdesc[29] == 0x05 && rdesc[30] == 0x09) {
		hid_info(hdev, "fixing up button/consumer in HID report descriptor\n");
		rdesc[30] = 0x0c;
	}
	return rdesc;
}

#define mr_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
					EV_KEY, (c))
static int mr_input_mapping(struct hid_device *hdev, struct hid_input *hi,
		struct hid_field *field, struct hid_usage *usage,
		unsigned long **bit, int *max)
{
	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
		return 0;

	switch (usage->hid & HID_USAGE) {
	case 0x156: mr_map_key_clear(KEY_WORDPROCESSOR);	break;
	case 0x157: mr_map_key_clear(KEY_SPREADSHEET);		break;
	case 0x158: mr_map_key_clear(KEY_PRESENTATION);		break;
	case 0x15c: mr_map_key_clear(KEY_STOP);			break;
	default:
		return 0;
	}
	return 1;
}

static const struct hid_device_id mr_devices[] = {
	{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
	{ }
};
MODULE_DEVICE_TABLE(hid, mr_devices);

static struct hid_driver mr_driver = {
	.name = "monterey",
	.id_table = mr_devices,
	.report_fixup = mr_report_fixup,
	.input_mapping = mr_input_mapping,
};
module_hid_driver(mr_driver);

MODULE_LICENSE("GPL");
Commit	Line	Data
3b8006e5 JS	1	/*
	2	* HID driver for some monterey "special" devices
	3	*
	4	* Copyright (c) 1999 Andreas Gal
	5	* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
	6	* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
	7	* Copyright (c) 2006-2007 Jiri Kosina
3b8006e5 JS	8	* Copyright (c) 2008 Jiri Slaby
	9	*/
	10
	11	/*
	12	* This program is free software; you can redistribute it and/or modify it
	13	* under the terms of the GNU General Public License as published by the Free
	14	* Software Foundation; either version 2 of the License, or (at your option)
	15	* any later version.
	16	*/
	17
	18	#include <linux/device.h>
	19	#include <linux/hid.h>
	20	#include <linux/module.h>
	21
	22	#include "hid-ids.h"
	23
73e4008d NK	24	static __u8 mr_report_fixup(struct hid_device hdev, __u8 *rdesc,
73e4008d NK	25	unsigned int *rsize)
3b8006e5	26	{
0c9fdd4c	27	if (*rsize >= 31 && rdesc[29] == 0x05 && rdesc[30] == 0x09) {
4291ee30	28	hid_info(hdev, "fixing up button/consumer in HID report descriptor\n");
3b8006e5 JS	29	rdesc[30] = 0x0c;
3b8006e5 JS	30	}
73e4008d	31	return rdesc;
3b8006e5 JS	32	}
	33
	34	#define mr_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
	35	EV_KEY, (c))
	36	static int mr_input_mapping(struct hid_device hdev, struct hid_input hi,
	37	struct hid_field field, struct hid_usage usage,
	38	unsigned long *bit, int max)
	39	{
	40	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
	41	return 0;
	42
	43	switch (usage->hid & HID_USAGE) {
	44	case 0x156: mr_map_key_clear(KEY_WORDPROCESSOR); break;
	45	case 0x157: mr_map_key_clear(KEY_SPREADSHEET); break;
	46	case 0x158: mr_map_key_clear(KEY_PRESENTATION); break;
	47	case 0x15c: mr_map_key_clear(KEY_STOP); break;
	48	default:
	49	return 0;
	50	}
	51	return 1;
	52	}
	53
	54	static const struct hid_device_id mr_devices[] = {
	55	{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
	56	{ }
	57	};
	58	MODULE_DEVICE_TABLE(hid, mr_devices);
	59
	60	static struct hid_driver mr_driver = {
	61	.name = "monterey",
	62	.id_table = mr_devices,
	63	.report_fixup = mr_report_fixup,
	64	.input_mapping = mr_input_mapping,
	65	};
f425458e	66	module_hid_driver(mr_driver);
3b8006e5	67
3b8006e5	68	MODULE_LICENSE("GPL");