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Message-ID: <49232910.2030309@seas.upenn.edu>
Date: Tue, 18 Nov 2008 15:44:00 -0500
From: Rafi Rubin <rafi@...s.upenn.edu>
To: Jiri Kosina <jkosina@...e.cz>
CC: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] n-trig digitizer quirks
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Hash: SHA1
Added quirks for the N-Trig digitizer.
Signed-off-by: Rafi Rubin <rafi@...s.upenn.edu>
- ---
drivers/hid/Kconfig | 7 ++++
drivers/hid/Makefile | 1 +
drivers/hid/hid-core.c | 1 +
drivers/hid/hid-ids.h | 3 ++
drivers/hid/hid-ntrig.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 96 insertions(+), 0 deletions(-)
create mode 100644 drivers/hid/hid-ntrig.c
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index b4fd8ca..9e33af9 100644
- --- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -202,6 +202,13 @@ config HID_MONTEREY
---help---
Support for Monterey Genius KB29E.
+config HID_NTRIG
+ tristate "NTrig" if EMBEDDED
+ depends on USB_HID
+ default y
+ ---help---
+ Support for N-Trig touch screen.
+
config HID_PANTHERLORD
tristate "Pantherlord devices support" if EMBEDDED
depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index b09e43e..8b2c545 100644
- --- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -33,6 +33,7 @@ obj-$(CONFIG_HID_GYRATION) += hid-gyration.o
obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o
obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o
obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o
+obj-$(CONFIG_HID_NTRIG) += hid-ntrig.o
obj-$(CONFIG_HID_PANTHERLORD) += hid-pl.o
obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o
obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 147ec59..6ee9a64 100644
- --- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1294,6 +1294,7 @@ static const struct hid_device_id hid_blacklist[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index d70075d..c3c2550 100644
- --- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -338,6 +338,9 @@
#define USB_VENDOR_ID_NEC 0x073e
#define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301
+#define USB_VENDOR_ID_NTRIG 0x1b96
+#define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN 0x0001
+
#define USB_VENDOR_ID_ONTRAK 0x0a07
#define USB_DEVICE_ID_ONTRAK_ADU100 0x0064
diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
new file mode 100644
index 0000000..01cccc8
- --- /dev/null
+++ b/drivers/hid/hid-ntrig.c
@@ -0,0 +1,84 @@
+/*
+ * HID driver for some ntrig "special" devices
+ *
+ * Copyright (c) 1999 Andreas Gal
+ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@...e.cz>
+ * Copyright (c) 2005 Michael Haboustak <mike-@...ci.rr.com> for Concept2, Inc
+ * Copyright (c) 2006-2007 Jiri Kosina
+ * Copyright (c) 2007 Paul Walmsley
+ * Copyright (c) 2008 Jiri Slaby
+ * Copyright (c) 2008 Rafi Rubin
+ *
+ */
+
+/*
+ * 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"
+
+#define NTRIG_DUPLICATE_USAGES 0x001
+
+#define nt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
+ EV_KEY, (c))
+
+static int ntrig_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_DIGITIZER &&
+ (usage->hid & 0xff) == 0x47) {
+ nt_map_key_clear(BTN_TOOL_DOUBLETAP);
+ return 1;
+ }
+ return 0;
+}
+
+static int ntrig_input_mapped(struct hid_device *hdev, struct hid_input *hi,
+ struct hid_field *field, struct hid_usage *usage,
+ unsigned long **bit, int *max)
+{
+ unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+
+ if (usage->type == EV_KEY || usage->type == EV_REL
+ || usage->type == EV_ABS)
+ clear_bit(usage->code, *bit);
+
+ return 0;
+}
+static const struct hid_device_id ntrig_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN),
+ .driver_data = NTRIG_DUPLICATE_USAGES },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, ntrig_devices);
+
+static struct hid_driver ntrig_driver = {
+ .name = "ntrig",
+ .id_table = ntrig_devices,
+ .input_mapping = ntrig_input_mapping,
+ .input_mapped = ntrig_input_mapped,
+};
+
+static int ntrig_init(void)
+{
+ return hid_register_driver(&ntrig_driver);
+}
+
+static void ntrig_exit(void)
+{
+ hid_unregister_driver(&ntrig_driver);
+}
+
+module_init(ntrig_init);
+module_exit(ntrig_exit);
+MODULE_LICENSE("GPL");
+
+HID_COMPAT_LOAD_DRIVER(ntrig);
- --
1.5.6.5
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