+++ /dev/null
-/*
- * 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);
-
#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;
#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
.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 |
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);
}
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,
git.openpandora.org / pandora-kernel.git / commitdiff