On 10/14/2010 12:35 AM, Stephane Chatty wrote:
> Migrated support for MosArt dual-touch panels to the unified driver.
>
> Signed-off-by: Stephane Chatty <chatty@xxxxxxx>
>
> diff -rupN d/drivers/hid/hid-mosart.c e/drivers/hid/hid-mosart.c
> --- d/drivers/hid/hid-mosart.c 2010-07-05 05:22:50.000000000 +0200
> +++ e/drivers/hid/hid-mosart.c 1970-01-01 01:00:00.000000000 +0100
> @@ -1,274 +0,0 @@
> -/*
> - * HID driver for the multitouch panel on the ASUS EeePC T91MT
> - *
> - * Copyright (c) 2009-2010 Stephane Chatty <chatty@xxxxxxx>
> - * Copyright (c) 2010 Teemu Tuominen <teemu.tuominen@xxxxxxxxxxxx>
> - *
> - */
> -
> -/*
> - * 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@xxxxxxx>");
> -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;
> - }
> -
> - 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) {
> - dev_err(&hdev->dev, "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;
> -}
> -
> -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) },
> - { }
> -};
> -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,
> -};
> -
> -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);
> -
> diff -rupN d/drivers/hid/hid-multitouch.c e/drivers/hid/hid-multitouch.c
> --- d/drivers/hid/hid-multitouch.c 2010-10-14 01:32:30.914936993 +0200
> +++ e/drivers/hid/hid-multitouch.c 2010-10-14 01:24:07.308936859 +0200
> @@ -58,6 +58,7 @@ struct mt_class {
> #define DUAL1 0
> #define DUAL2 1
> #define CYPRESS 2
> +#define MOSART 3
>
> /* contact data that only some devices report */
> #define PRESSURE (1 << 0)
> @@ -87,10 +88,16 @@ static int cypress_compute_slot(struct m
> }
>
>
> +static int mosart_compute_slot(struct mt_device *td)
> +{
> + return td->curcontactid - 1;
> +}
What is the range of reported values from the firmware here?
> +
> struct mt_class mt_classes[] = {
> /* DUAL1 */ { slot_from_contactid, 2, -1 },
> /* DUAL2 */ { slot_from_contactnumber, 2, -1 },
> /* CYPRESS */ { cypress_compute_slot, 10, 3 },
> + /* MOSART */ { mosart_compute_slot, 2, 7 },
> };
>
>
> @@ -394,6 +401,14 @@ static const struct hid_device_id mt_dev
> HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
> USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
>
> + /* MosArt panels */
> + { .driver_data = MOSART,
> + HID_USB_DEVICE(USB_VENDOR_ID_ASUS,
> + USB_DEVICE_ID_ASUS_T91MT)},
> + { .driver_data = MOSART,
> + HID_USB_DEVICE(USB_VENDOR_ID_ASUS,
> + USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
> +
> { }
> };
> MODULE_DEVICE_TABLE(hid, mt_devices);
> diff -rupN d/drivers/hid/Kconfig e/drivers/hid/Kconfig
> --- d/drivers/hid/Kconfig 2010-10-14 01:43:46.000936910 +0200
> +++ e/drivers/hid/Kconfig 2010-10-14 01:45:46.356936861 +0200
> @@ -245,12 +245,6 @@ config HID_MICROSOFT
> ---help---
> Support for Microsoft devices that are not fully compliant with HID standard.
>
> -config HID_MOSART
> - tristate "MosArt"
> - depends on USB_HID
> - ---help---
> - Support for MosArt dual-touch panels.
> -
> config HID_MONTEREY
> tristate "Monterey" if EMBEDDED
> depends on USB_HID
> diff -rupN d/drivers/hid/Makefile e/drivers/hid/Makefile
> --- d/drivers/hid/Makefile 2010-10-14 01:43:35.807936552 +0200
> +++ e/drivers/hid/Makefile 2010-10-14 01:45:36.731936963 +0200
> @@ -41,7 +41,6 @@ obj-$(CONFIG_HID_LOGITECH) += hid-logite
> obj-$(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
Cheers,
Henrik
--
To unsubscribe from this list: send the line "unsubscribe linux-input" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
