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HID: hid-multitouch: merge hid-mosart into hid-multitouch

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This patch include MosArt devices into hid-multitouch.
MosArt devices now support mt-protocol B.

We also need to introduce a new quirk for mosart devices to support
their contactID.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Benjamin Tissoires 2011-04-22 11:51:48 +02:00 committed by Jiri Kosina
parent 6ab3a9a63f
commit 4a6ee685fb
4 changed files with 20 additions and 304 deletions
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7
drivers/hid/Kconfig
View File

@ -288,12 +288,6 @@ config HID_MICROSOFT
---help---
Support for Microsoft devices that are not fully compliant with HID standard.
config HID_MOSART
tristate "MosArt dual-touch panels"
depends on USB_HID
---help---
Support for MosArt dual-touch panels.
config HID_MONTEREY
tristate "Monterey Genius KB29E keyboard" if EXPERT
depends on USB_HID
@ -313,6 +307,7 @@ config HID_MULTITOUCH
- Cypress TrueTouch panels
- Hanvon dual touch panels
- IrTouch Infrared USB panels
- MosArt dual-touch panels
- PenMount dual touch panels
- Pixcir dual touch panels
- 'Sensing Win7-TwoFinger' panel by GeneralTouch

1
drivers/hid/Makefile
View File

@ -45,7 +45,6 @@ obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o
obj-$(CONFIG_HID_MAGICMOUSE) += hid-magicmouse.o
obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o
obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o
obj-$(CONFIG_HID_MOSART) += hid-mosart.o
obj-$(CONFIG_HID_MULTITOUCH) += hid-multitouch.o
obj-$(CONFIG_HID_NTRIG) += hid-ntrig.o
obj-$(CONFIG_HID_ORTEK) += hid-ortek.o

296
drivers/hid/hid-mosart.c
View File

@ -1,296 +0,0 @@
/*
* HID driver for the multitouch panel on the ASUS EeePC T91MT
*
* Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr>
* Copyright (c) 2010 Teemu Tuominen <teemu.tuominen@cybercom.com>
*
*/
/*
* 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 <linux/slab.h>
#include <linux/usb.h>
#include "usbhid/usbhid.h"
MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
MODULE_DESCRIPTION("MosArt dual-touch panel");
MODULE_LICENSE("GPL");
#include "hid-ids.h"
struct mosart_data {
__u16 x, y;
__u8 id;
bool valid; /* valid finger data, or just placeholder? */
bool first; /* is this the first finger in this frame? */
bool activity_now; /* at least one active finger in this frame? */
bool activity; /* at least one active finger previously? */
};
static int mosart_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
switch (usage->hid & HID_USAGE_PAGE) {
case HID_UP_GENDESK:
switch (usage->hid) {
case HID_GD_X:
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_POSITION_X);
/* touchscreen emulation */
input_set_abs_params(hi->input, ABS_X,
field->logical_minimum,
field->logical_maximum, 0, 0);
return 1;
case HID_GD_Y:
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_POSITION_Y);
/* touchscreen emulation */
input_set_abs_params(hi->input, ABS_Y,
field->logical_minimum,
field->logical_maximum, 0, 0);
return 1;
}
return 0;
case HID_UP_DIGITIZER:
switch (usage->hid) {
case HID_DG_CONFIDENCE:
case HID_DG_TIPSWITCH:
case HID_DG_INPUTMODE:
case HID_DG_DEVICEINDEX:
case HID_DG_CONTACTCOUNT:
case HID_DG_CONTACTMAX:
case HID_DG_TIPPRESSURE:
case HID_DG_WIDTH:
case HID_DG_HEIGHT:
return -1;
case HID_DG_INRANGE:
/* touchscreen emulation */
hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
return 1;
case HID_DG_CONTACTID:
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_TRACKING_ID);
return 1;
}
return 0;
case 0xff000000:
/* ignore HID features */
return -1;
case HID_UP_BUTTON:
/* ignore buttons */
return -1;
}
return 0;
}
static int mosart_input_mapped(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
if (usage->type == EV_KEY || usage->type == EV_ABS)
clear_bit(usage->code, *bit);
return 0;
}
/*
* this function is called when a whole finger has been parsed,
* so that it can decide what to send to the input layer.
*/
static void mosart_filter_event(struct mosart_data *td, struct input_dev *input)
{
td->first = !td->first; /* touchscreen emulation */
if (!td->valid) {
/*
* touchscreen emulation: if no finger in this frame is valid
* and there previously was finger activity, this is a release
*/
if (!td->first && !td->activity_now && td->activity) {
input_event(input, EV_KEY, BTN_TOUCH, 0);
td->activity = false;
}
return;
}
input_event(input, EV_ABS, ABS_MT_TRACKING_ID, td->id);
input_event(input, EV_ABS, ABS_MT_POSITION_X, td->x);
input_event(input, EV_ABS, ABS_MT_POSITION_Y, td->y);
input_mt_sync(input);
td->valid = false;
/* touchscreen emulation: if first active finger in this frame... */
if (!td->activity_now) {
/* if there was no previous activity, emit touch event */
if (!td->activity) {
input_event(input, EV_KEY, BTN_TOUCH, 1);
td->activity = true;
}
td->activity_now = true;
/* and in any case this is our preferred finger */
input_event(input, EV_ABS, ABS_X, td->x);
input_event(input, EV_ABS, ABS_Y, td->y);
}
}
static int mosart_event(struct hid_device *hid, struct hid_field *field,
struct hid_usage *usage, __s32 value)
{
struct mosart_data *td = hid_get_drvdata(hid);
if (hid->claimed & HID_CLAIMED_INPUT) {
struct input_dev *input = field->hidinput->input;
switch (usage->hid) {
case HID_DG_INRANGE:
td->valid = !!value;
break;
case HID_GD_X:
td->x = value;
break;
case HID_GD_Y:
td->y = value;
mosart_filter_event(td, input);
break;
case HID_DG_CONTACTID:
td->id = value;
break;
case HID_DG_CONTACTCOUNT:
/* touch emulation: this is the last field in a frame */
td->first = false;
td->activity_now = false;
break;
case HID_DG_CONFIDENCE:
case HID_DG_TIPSWITCH:
/* avoid interference from generic hidinput handling */
break;
default:
/* fallback to the generic hidinput handling */
return 0;
}
}
/* we have handled the hidinput part, now remains hiddev */
if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
hid->hiddev_hid_event(hid, field, usage, value);
return 1;
}
static int mosart_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
struct mosart_data *td;
td = kmalloc(sizeof(struct mosart_data), GFP_KERNEL);
if (!td) {
hid_err(hdev, "cannot allocate MosArt data\n");
return -ENOMEM;
}
td->valid = false;
td->activity = false;
td->activity_now = false;
td->first = false;
hid_set_drvdata(hdev, td);
/* currently, it's better to have one evdev device only */
#if 0
hdev->quirks |= HID_QUIRK_MULTI_INPUT;
#endif
ret = hid_parse(hdev);
if (ret == 0)
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret == 0) {
struct hid_report_enum *re = hdev->report_enum
+ HID_FEATURE_REPORT;
struct hid_report *r = re->report_id_hash[7];
r->field[0]->value[0] = 0x02;
usbhid_submit_report(hdev, r, USB_DIR_OUT);
} else
kfree(td);
return ret;
}
#ifdef CONFIG_PM
static int mosart_reset_resume(struct hid_device *hdev)
{
struct hid_report_enum *re = hdev->report_enum
+ HID_FEATURE_REPORT;
struct hid_report *r = re->report_id_hash[7];
r->field[0]->value[0] = 0x02;
usbhid_submit_report(hdev, r, USB_DIR_OUT);
return 0;
}
#endif
static void mosart_remove(struct hid_device *hdev)
{
hid_hw_stop(hdev);
kfree(hid_get_drvdata(hdev));
hid_set_drvdata(hdev, NULL);
}
static const struct hid_device_id mosart_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
{ }
};
MODULE_DEVICE_TABLE(hid, mosart_devices);
static const struct hid_usage_id mosart_grabbed_usages[] = {
{ HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
{ HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
};
static struct hid_driver mosart_driver = {
.name = "mosart",
.id_table = mosart_devices,
.probe = mosart_probe,
.remove = mosart_remove,
.input_mapping = mosart_input_mapping,
.input_mapped = mosart_input_mapped,
.usage_table = mosart_grabbed_usages,
.event = mosart_event,
#ifdef CONFIG_PM
.reset_resume = mosart_reset_resume,
#endif
};
static int __init mosart_init(void)
{
return hid_register_driver(&mosart_driver);
}
static void __exit mosart_exit(void)
{
hid_unregister_driver(&mosart_driver);
}
module_init(mosart_init);
module_exit(mosart_exit);

20
drivers/hid/hid-multitouch.c
View File

@ -50,6 +50,7 @@ MODULE_LICENSE("GPL");
#define MT_QUIRK_VALID_IS_INRANGE (1 << 4)
#define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 5)
#define MT_QUIRK_EGALAX_XYZ_FIXUP (1 << 6)
#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 7)
struct mt_slot {
__s32 x, y, p, w, h;
@ -90,6 +91,7 @@ struct mt_class {
#define MT_CLS_STANTUM 6
#define MT_CLS_3M 7
#define MT_CLS_CONFIDENCE 8
#define MT_CLS_CONFIDENCE_MINUS_ONE 9
#define MT_DEFAULT_MAXCONTACT 10
@ -140,7 +142,9 @@ struct mt_class mt_classes[] = {
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
MT_QUIRK_CYPRESS,
.maxcontacts = 10 },
{ .name = MT_CLS_CONFIDENCE_MINUS_ONE,
.quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
{ .name = MT_CLS_EGALAX,
.quirks = MT_QUIRK_SLOT_IS_CONTACTID |
MT_QUIRK_VALID_IS_INRANGE |
@ -325,6 +329,9 @@ static int mt_compute_slot(struct mt_device *td)
if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
return td->num_received;
if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
return td->curdata.contactid - 1;
return find_slot_from_contactid(td);
}
@ -587,6 +594,17 @@ static const struct hid_device_id mt_devices[] = {
HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
/* MosArt panels */
{ .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
HID_USB_DEVICE(USB_VENDOR_ID_ASUS,
USB_DEVICE_ID_ASUS_T91MT)},
{ .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
HID_USB_DEVICE(USB_VENDOR_ID_ASUS,
USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
{ .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
HID_USB_DEVICE(USB_VENDOR_ID_TURBOX,
USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
/* PenMount panels */
{ .driver_data = MT_CLS_CONFIDENCE,
HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,