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Subject[PATCH 1/3] HID: multitouch: merge quanta driver into hid-multitouch
Date
From: Benjamin Tissoires <benjamin.tissoires@gmail.com>

This patch merge the last old-style hid multitouch driver to
the generic one.
It also adds 2 more quanta pids.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
---
drivers/hid/Kconfig | 7 +-
drivers/hid/Makefile | 1 -
drivers/hid/hid-ids.h | 4 +-
drivers/hid/hid-multitouch.c | 23 +++-
drivers/hid/hid-quanta.c | 261 ------------------------------------------
5 files changed, 23 insertions(+), 273 deletions(-)
delete mode 100644 drivers/hid/hid-quanta.c
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 741f92d..b8e98d0 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -355,6 +355,7 @@ config HID_MULTITOUCH
- MosArt dual-touch panels
- PenMount dual touch panels
- Pixcir dual touch panels
+ - Quanta panels
- eGalax dual-touch panels, including the Joojoo and Wetab tablets
- Stantum multitouch panels
- Touch International Panels
@@ -471,12 +472,6 @@ config HID_PRIMAX
Support for Primax devices that are not fully compliant with the
HID standard.

-config HID_QUANTA
- tristate "Quanta Optical Touch panels"
- depends on USB_HID
- ---help---
- Support for Quanta Optical Touch dual-touch panels.
-
config HID_ROCCAT
tristate "Roccat special event support"
depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 2be5500..aee5f58 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -60,7 +60,6 @@ obj-$(CONFIG_HID_MULTITOUCH) += hid-multitouch.o
obj-$(CONFIG_HID_NTRIG) += hid-ntrig.o
obj-$(CONFIG_HID_ORTEK) += hid-ortek.o
obj-$(CONFIG_HID_PRODIKEYS) += hid-prodikeys.o
-obj-$(CONFIG_HID_QUANTA) += hid-quanta.o
obj-$(CONFIG_HID_PANTHERLORD) += hid-pl.o
obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o
obj-$(CONFIG_HID_PICOLCD) += hid-picolcd.o
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index cf8c866..ebfad17 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -584,7 +584,9 @@
#define USB_DEVICE_ID_PRODIGE_CORDLESS 0x3062

#define USB_VENDOR_ID_QUANTA 0x0408
-#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH 0x3000
+#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH 0x3000
+#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001 0x3001
+#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008 0x3008
#define USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN 0x3001

#define USB_VENDOR_ID_ROCCAT 0x1e7d
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index f0f3632..91c13bc 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -88,10 +88,11 @@ struct mt_device {

#define MT_CLS_SERIAL 0x0002
#define MT_CLS_CONFIDENCE 0x0003
-#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0004
-#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0005
-#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0006
-#define MT_CLS_DUAL_NSMU_CONTACTID 0x0007
+#define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
+#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
+#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
+#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
+#define MT_CLS_DUAL_NSMU_CONTACTID 0x0008

/* vendor specific classes */
#define MT_CLS_3M 0x0101
@@ -140,6 +141,9 @@ static struct mt_class mt_classes[] = {
.quirks = MT_QUIRK_ALWAYS_VALID},
{ .name = MT_CLS_CONFIDENCE,
.quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
+ { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
+ .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
+ MT_QUIRK_SLOT_IS_CONTACTID },
{ .name = MT_CLS_CONFIDENCE_MINUS_ONE,
.quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
@@ -783,6 +787,17 @@ static const struct hid_device_id mt_devices[] = {
HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },

+ /* Quanta-based panels */
+ { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
+ HID_USB_DEVICE(USB_VENDOR_ID_QUANTA,
+ USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
+ { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
+ HID_USB_DEVICE(USB_VENDOR_ID_QUANTA,
+ USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
+ { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
+ HID_USB_DEVICE(USB_VENDOR_ID_QUANTA,
+ USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
+
/* Stantum panels */
{ .driver_data = MT_CLS_CONFIDENCE,
HID_USB_DEVICE(USB_VENDOR_ID_STANTUM,
diff --git a/drivers/hid/hid-quanta.c b/drivers/hid/hid-quanta.c
deleted file mode 100644
index 87a54df..0000000
--- a/drivers/hid/hid-quanta.c
+++ /dev/null
@@ -1,261 +0,0 @@
-/*
- * HID driver for Quanta Optical Touch dual-touch panels
- *
- * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr>
- *
- */
-
-/*
- * 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>
-
-MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
-MODULE_DESCRIPTION("Quanta dual-touch panel");
-MODULE_LICENSE("GPL");
-
-#include "hid-ids.h"
-
-struct quanta_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 quanta_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 vendor-specific features */
- return -1;
- }
-
- return 0;
-}
-
-static int quanta_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 quanta_filter_event(struct quanta_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 quanta_event(struct hid_device *hid, struct hid_field *field,
- struct hid_usage *usage, __s32 value)
-{
- struct quanta_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;
- quanta_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 quanta_probe(struct hid_device *hdev, const struct hid_device_id *id)
-{
- int ret;
- struct quanta_data *td;
-
- td = kmalloc(sizeof(struct quanta_data), GFP_KERNEL);
- if (!td) {
- hid_err(hdev, "cannot allocate Quanta Touch data\n");
- return -ENOMEM;
- }
- td->valid = false;
- td->activity = false;
- td->activity_now = false;
- td->first = false;
- hid_set_drvdata(hdev, td);
-
- ret = hid_parse(hdev);
- if (!ret)
- ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
-
- if (ret)
- kfree(td);
-
- return ret;
-}
-
-static void quanta_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 quanta_devices[] = {
- { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA,
- USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
- { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA,
- USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) },
- { }
-};
-MODULE_DEVICE_TABLE(hid, quanta_devices);
-
-static const struct hid_usage_id quanta_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 quanta_driver = {
- .name = "quanta-touch",
- .id_table = quanta_devices,
- .probe = quanta_probe,
- .remove = quanta_remove,
- .input_mapping = quanta_input_mapping,
- .input_mapped = quanta_input_mapped,
- .usage_table = quanta_grabbed_usages,
- .event = quanta_event,
-};
-
-static int __init quanta_init(void)
-{
- return hid_register_driver(&quanta_driver);
-}
-
-static void __exit quanta_exit(void)
-{
- hid_unregister_driver(&quanta_driver);
-}
-
-module_init(quanta_init);
-module_exit(quanta_exit);
-
--
1.7.4.4


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