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Subject[PATCH] USB: HID: Panasonic ub-t780 whiteboard hid driver stub.
Date
From: Anton Chikin <kverlin@panasonic-box.(none)>

---
drivers/hid/Kconfig | 6 +
drivers/hid/Makefile | 1 +
drivers/hid/hid-core.c | 2 +
drivers/hid/hid-ubt780.c | 237 ++++++++++++++++++++++++++++++++++++++++++++++
drivers/hid/ubt780ctrl.h | 109 +++++++++++++++++++++
5 files changed, 355 insertions(+), 0 deletions(-)
create mode 100644 drivers/hid/hid-ubt780.c
create mode 100644 drivers/hid/ubt780ctrl.h

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 3052e29..ee912e2 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -114,6 +114,12 @@ config HID_CHICONY
---help---
Support for Chicony Tactical pad.

+config HID_PANASONIC
+ tristate "Panasonic UB-T780 whiteboard"
+ depends on USB_HID
+ ---help---
+ Support for Panasonic Elite Panaboard UB-T780
+
config HID_PRODIKEYS
tristate "Prodikeys PC-MIDI Keyboard support"
depends on USB_HID && SND
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index c335605..7404929 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -70,6 +70,7 @@ obj-$(CONFIG_HID_ZEROPLUS) += hid-zpff.o
obj-$(CONFIG_HID_ZYDACRON) += hid-zydacron.o
obj-$(CONFIG_HID_WACOM) += hid-wacom.o
obj-$(CONFIG_HID_WALTOP) += hid-waltop.o
+obj-$(CONFIG_HID_PANASONIC) += hid-ubt780.o

obj-$(CONFIG_USB_HID) += usbhid/
obj-$(CONFIG_USB_MOUSE) += usbhid/
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 515345b..263210a 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1366,6 +1366,8 @@ static const struct hid_device_id hid_blacklist[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_PANASONIC, USB_DEVICE_ID_PANASONIC_PANABOARD_T780)},
+ { HID_USB_DEVICE(USB_VENDOR_ID_PANASONIC, USB_DEVICE_ID_PANASONIC_PANABOARD_T880)},
{ 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) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
diff --git a/drivers/hid/hid-ubt780.c b/drivers/hid/hid-ubt780.c
new file mode 100644
index 0000000..c2c2e20
--- /dev/null
+++ b/drivers/hid/hid-ubt780.c
@@ -0,0 +1,237 @@
+/*
+ * HID driver for Cando dual-touch panels
+ *
+ * Copyright (c) 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>
+
+
+#include "hid-ids.h"
+#define UBT780_DEBUG
+
+#ifdef UBT780_DEBUG
+#define UBT_DUMMY_DEBUG if(ubt_debug) printk(KERN_DEBUG "ubt780: %s:%s line %i\n", __FILE__,__FUNCTION__ , __LINE__);
+#else
+#define UBT_DUMMY_DEBUG
+#endif
+
+static int ubt_debug=0;
+module_param_named(debug_enabled, ubt_debug, int, 0600);
+MODULE_PARM_DESC(debug_enabled, "toggle UBT debugging messages");
+
+struct ubt780_data {
+ struct ubt780_calib calib;
+ struct ubt780_dgtzr ubt_packet;
+};
+
+static int ubt780_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+ struct hid_field *field, struct hid_usage *usage,
+ unsigned long **bit, int *max)
+{
+ UBT_DUMMY_DEBUG
+ 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_TIPSWITCH:
+ case HID_DG_CONTACTMAX:
+ 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;
+ }
+
+ return 0;
+}
+
+static int ubt780_input_mapped(struct hid_device *hdev, struct hid_input *hi,
+ struct hid_field *field, struct hid_usage *usage,
+ unsigned long **bit, int *max)
+{
+ UBT_DUMMY_DEBUG
+ 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 int ubt780_event(struct hid_device *hid, struct hid_field *field,
+ struct hid_usage *usage, __s32 value)
+{
+ struct ubt780_data *td = hid_get_drvdata(hid);
+
+ UBT_DUMMY_DEBUG
+
+ if (hid->claimed & HID_CLAIMED_INPUT) {
+ struct input_dev *input = field->hidinput->input;
+
+ switch (usage->hid) {
+ case HID_DG_INRANGE:
+ //td->valid = value;
+ UBT_DUMMY_DEBUG
+ break;
+ case HID_DG_CONTACTID:
+ //td->id = value;
+ UBT_DUMMY_DEBUG
+ break;
+ case HID_GD_X:
+ //td->x = value;
+ UBT_DUMMY_DEBUG
+ break;
+ case HID_GD_Y:
+ //td->y = value;
+ UBT_DUMMY_DEBUG
+ //ubt780_filter_event(td, input);
+ break;
+ case HID_DG_TIPSWITCH:
+ /* avoid interference from generic hidinput handling */
+ UBT_DUMMY_DEBUG
+ 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 ubt780_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+ int ret;
+ struct ubt780_data *td;
+
+ UBT_DUMMY_DEBUG
+ printk(KERN_DEBUG "Device : %X",hdev->product);
+ td = kmalloc(sizeof(struct ubt780_data), GFP_KERNEL);
+ if (!td) {
+ dev_err(&hdev->dev, "cannot allocate UB-T780 data\n");
+ return -ENOMEM;
+ }
+
+
+ hid_set_drvdata(hdev, td);
+ /*td->first = false;
+ td->oldest = -1;
+ td->valid = false;*/
+
+ ret = hid_parse(hdev);
+ printk(KERN_DEBUG "hid_parse() returned : %d",ret);
+ if (!ret)
+ {
+ printk(KERN_DEBUG "Trying hid_hw_start");
+ ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT );
+ }
+
+ printk(KERN_DEBUG "hid_hw_start() returned : %d",ret);
+ if (ret)
+ kfree(td);
+
+ return ret;
+}
+
+static void ubt780_remove(struct hid_device *hdev)
+{
+ UBT_DUMMY_DEBUG
+ hid_hw_stop(hdev);
+ kfree(hid_get_drvdata(hdev));
+ hid_set_drvdata(hdev, NULL);
+}
+
+static struct hid_device_id ubt780_devices[] = {
+ { HID_USB_DEVICE(0x04da, 0x1044) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, ubt780_devices);
+
+static const struct hid_usage_id ubt780_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 ubt780_driver = {
+ .name = "ubt780",
+ .id_table = ubt780_devices,
+ .probe = ubt780_probe,
+ .remove = ubt780_remove,
+ .input_mapping = ubt780_input_mapping,
+ .input_mapped = ubt780_input_mapped,
+ .usage_table = ubt780_grabbed_usages,
+ .event = ubt780_event,
+};
+
+static int __init ubt780_init(void)
+{
+ UBT_DUMMY_DEBUG
+ int retval = hid_register_driver(&ubt780_driver);
+
+
+ if(retval)
+ UBT_DUMMY_DEBUG
+
+ return 0;
+}
+
+static void __exit ubt780_exit(void)
+{
+ UBT_DUMMY_DEBUG
+ hid_unregister_driver(&ubt780_driver);
+}
+
+module_init(ubt780_init);
+module_exit(ubt780_exit);
+
+MODULE_AUTHOR("Anton Chikin <kverloin@gmail.com>");
+MODULE_DESCRIPTION("Panasonic UB-T780 driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/hid/ubt780ctrl.h b/drivers/hid/ubt780ctrl.h
new file mode 100644
index 0000000..11810c8
--- /dev/null
+++ b/drivers/hid/ubt780ctrl.h
@@ -0,0 +1,108 @@
+/*
+ * USB HID driver for Panasonic elite Panaboard UTB780
+ * Copyright (c) 2008 Igor Shakirov, Victor Grenke <comp.vision@gmail.com>
+
+ * Information.
+ * It's driver for supporting Panaboard elite USB device.
+ * The driver is redesigned using usb hid core driver:
+ * Copyright (c) 1999 Andreas Gal
+ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
+ * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
+ * Copyright (c) 2010 Panasonic
+ */
+
+/*
+ * 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.
+ */
+
+#ifndef UBT780CTRL
+#define UBT780CTRL
+
+//////////////////////////////////////////////////////////////////////////////////////////////////
+//IOCTRL codes
+/** Battary status IOCTL defines */
+#define GET_BATTERY_STATUS 0x01 /*get battery status, return BATTERY_STATUS_UKN, BATTERY_STATUS_FINE, BATTERY_STATUS_WEAK*/
+#define GET_LAST_PACKET_OLD 0x02 /*get last packet (ubt780_dgtzr). It is necessary for calibration*/
+
+/** Modes of work IOCTL */
+#define GET_MODE 0x10 /*get current mode, return MODE_MOUSE, MODE_DGTZR*/
+#define SET_MODE 0x11 /*switch to mouse mode, MODE_MOUSE, MODE_DGTZR*/
+#define SET_CALIB 0x20 /*set calibration mode*/
+#define GET_LAST_PACKET 0x21 /*get last packet (ubt780_dgtzr). It is necessary for calibration*/
+
+////////////////////////////////
+//return values for ioctrl
+/** Battary status defines */
+#define BATTERY_STATUS_FINE 0x00 /*battery is fine*/
+#define BATTERY_STATUS_WEAK 0x01 /*battery is weak*/
+#define BATTERY_STATUS_UKN 0x02 /*unknown status. Status will be known after the first pen touch*/
+
+/** Mode status defines */
+#define MODE_MOUSE 0x10 /*current mode is mouse*/
+#define MODE_DGTZR 0x11 /*current mode is digitizer*/
+#define MODE_UKN 0x12 /*current mode is unknown. It will be known after the first pen touch*/
+
+////////////////////////////////
+/** Digitize mode stucture: contains packet data */
+struct ubt780_dgtzr
+{
+ /** Report contains the type of packet: 0 - mouse, 1 - digitize */
+ unsigned char report;
+ /** Command is coming from device */
+ unsigned char command;
+ /** Packet size */
+ unsigned char number;
+ /** Data part of packet */
+ unsigned char data[17];
+};
+
+/** Calibration stucture: contains calibration data */
+struct ubt780_calib
+{
+ /** Screen coordinates: Left Top X */
+ int LTx;
+ /** Screen coordinates: Left Top Y */
+ int LTy;
+ /** Screen coordinates: Left Bottom X */
+ int LBx;
+ /** Screen coordinates: Left Bottom Y */
+ int LBy;
+ /** Screen coordinates: Right Top X */
+ int RTx;
+ /** Screen coordinates: Right Top Y */
+ int RTy;
+ /** Screen coordinates: Right Bottom X */
+ int RBx;
+ /** Screen coordinates: Right Bottom Y */
+ int RBy;
+
+ /** Board coordinates: Left Top X */
+ int LTX;
+ /** Board coordinates: Left Top Y */
+ int LTY;
+ /** Board coordinates: Left Bottom X */
+ int LBX;
+ /** Board coordinates: Left Bottom Y */
+ int LBY;
+ /** Board coordinates: Right Top X */
+ int RTX;
+ /** Board coordinates: Right Top Y */
+ int RTY;
+ /** Board coordinates: Right Bottom X */
+ int RBX;
+ /** Board coordinates: Right Bottom Y */
+ int RBY;
+
+ /** Calculated values */
+ int Xoff_A;
+ int Xmag_A;
+ int Xmag_B;
+ int Yoff_A;
+ int Ymag_A;
+ int Ymag_B;
+};
+
+#endif //UBT780CTRL
--
1.6.3.3


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