lkml.org 
[lkml]   [2012]   [Jan]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH v2] input: Hanvon Art Master I and Rollick tablet support (USB)
This driver supports multiple Hanvon tablets (USB).
They are:

Artmaster I: AM0806, AM1107, AM1209
Rollick: RL0604

Updated upon Oliver Neukum's review. Thanks a lot.


Signed-off-by: Ondra Havel <ondra.havel@gmail.com>
---

drivers/input/tablet/Kconfig | 11 ++
drivers/input/tablet/Makefile | 1
drivers/input/tablet/hanvon.c | 263 +++++++++++++++++++++++++++++++++++++++++
3 files changed, 275 insertions(+), 0 deletions(-)


diff --git a/drivers/input/tablet/Kconfig b/drivers/input/tablet/Kconfig
index 58a8775..25481e9 100644
--- a/drivers/input/tablet/Kconfig
+++ b/drivers/input/tablet/Kconfig
@@ -49,6 +49,17 @@ config TABLET_USB_GTCO
To compile this driver as a module, choose M here: the
module will be called gtco.

+config TABLET_USB_HANVON
+ tristate "Hanvon Art Master I and Rollick tablet support (USB)"
+ depends on USB_ARCH_HAS_HCD
+ select USB
+ help
+ Say Y here if you want to use the USB version of the Hanvon Art
+ Master I or Rollick tablets.
+
+ To compile this driver as a module, choose M here: the
+ module will be called hanvon.
+
config TABLET_USB_HANWANG
tristate "Hanwang Art Master III tablet support (USB)"
depends on USB_ARCH_HAS_HCD
diff --git a/drivers/input/tablet/Makefile b/drivers/input/tablet/Makefile
index 3f6c252..d159383 100644
--- a/drivers/input/tablet/Makefile
+++ b/drivers/input/tablet/Makefile
@@ -8,6 +8,7 @@ wacom-objs := wacom_wac.o wacom_sys.o
obj-$(CONFIG_TABLET_USB_ACECAD) += acecad.o
obj-$(CONFIG_TABLET_USB_AIPTEK) += aiptek.o
obj-$(CONFIG_TABLET_USB_GTCO) += gtco.o
+obj-$(CONFIG_TABLET_USB_HANVON) += hanvon.o
obj-$(CONFIG_TABLET_USB_HANWANG) += hanwang.o
obj-$(CONFIG_TABLET_USB_KBTAB) += kbtab.o
obj-$(CONFIG_TABLET_USB_WACOM) += wacom.o
diff --git a/drivers/input/tablet/hanvon.c b/drivers/input/tablet/hanvon.c
new file mode 100644
index 0000000..2f34582
--- /dev/null
+++ b/drivers/input/tablet/hanvon.c
@@ -0,0 +1,263 @@
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/usb/input.h>
+
+#define DRIVER_VERSION "0.4a"
+#define DRIVER_AUTHOR "Ondra Havel <ondra.havel@gmail.com>"
+#define DRIVER_DESC "USB Hanvon tablet driver"
+#define DRIVER_LICENSE "GPL"
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE(DRIVER_LICENSE);
+
+#define USB_VENDOR_ID_HANVON 0x0b57
+#define USB_PRODUCT_ID_AM0806 0x8502
+#define USB_PRODUCT_ID_AM1107 0x8505
+#define USB_PRODUCT_ID_AM1209 0x8501
+#define USB_PRODUCT_ID_RL0604 0x851f
+#define USB_AM_PACKET_LEN 10
+
+static int lbuttons[]={BTN_0,BTN_1,BTN_2,BTN_3}; /* reported on all AMs */
+static int rbuttons[]={BTN_4,BTN_5,BTN_6,BTN_7}; /* reported on AM1107+ */
+
+#define AM_WHEEL_THRESHOLD 4
+
+#define AM_MAX_ABS_X 0x27de
+#define AM_MAX_ABS_Y 0x1cfe
+#define AM_MAX_TILT_X 0x3f
+#define AM_MAX_TILT_Y 0x7f
+#define AM_MAX_PRESSURE 0x400
+
+struct hanvon {
+ unsigned char *data;
+ dma_addr_t data_dma;
+ struct mutex mutex;
+ struct input_dev *dev;
+ struct usb_device *usbdev;
+ struct urb *irq;
+ int old_wheel_pos;
+ char phys[32];
+};
+
+static void report_buttons(struct hanvon *hanvon, int buttons[],unsigned char dta)
+{
+ struct input_dev *dev = hanvon->dev;
+
+ if((dta & 0xf0) == 0xa0) {
+ input_report_key(dev, buttons[1], dta & 0x02);
+ input_report_key(dev, buttons[2], dta & 0x04);
+ input_report_key(dev, buttons[3], dta & 0x08);
+ } else {
+ if(dta <= 0x3f) { /* slider area active */
+ int diff = dta - hanvon->old_wheel_pos;
+ if(abs(diff) < AM_WHEEL_THRESHOLD)
+ input_report_rel(dev, REL_WHEEL, diff);
+
+ hanvon->old_wheel_pos = dta;
+ }
+ }
+}
+
+static void hanvon_irq(struct urb *urb)
+{
+ struct hanvon *hanvon = urb->context;
+ unsigned char *data = hanvon->data;
+ struct input_dev *dev = hanvon->dev;
+ int ret;
+
+ switch (urb->status) {
+ case 0:
+ /* success */
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ /* this urb is terminated, clean up */
+ dbg("%s - urb shutting down with status: %d", __func__, urb->status);
+ return;
+ default:
+ dbg("%s - nonzero urb status received: %d", __func__, urb->status);
+ goto exit;
+ }
+
+ switch(data[0]) {
+ case 0x01: /* button press */
+ if(data[1]==0x55) /* left side */
+ report_buttons(hanvon,lbuttons,data[2]);
+
+ if(data[3]==0xaa) /* right side (am1107, am1209) */
+ report_buttons(hanvon,rbuttons,data[4]);
+ break;
+ case 0x02: /* position change */
+ if((data[1] & 0xf0) != 0) {
+ input_report_abs(dev, ABS_X, be16_to_cpup((__be16 *)&data[2]));
+ input_report_abs(dev, ABS_Y, be16_to_cpup((__be16 *)&data[4]));
+ input_report_abs(dev, ABS_TILT_X, data[7] & 0x3f);
+ input_report_abs(dev, ABS_TILT_Y, data[8]);
+ input_report_abs(dev, ABS_PRESSURE, be16_to_cpup((__be16 *)&data[6])>>6);
+ }
+
+ input_report_key(dev, BTN_LEFT, data[1] & 0x1);
+ input_report_key(dev, BTN_RIGHT, data[1] & 0x2); /* stylus button pressed (right click) */
+ input_report_key(dev, lbuttons[0], data[1] & 0x20);
+ break;
+ }
+
+ input_sync(dev);
+
+exit:
+ ret = usb_submit_urb (urb, GFP_ATOMIC);
+ if (ret)
+ err("%s - usb_submit_urb failed with result %d", __func__, ret);
+}
+
+static struct usb_device_id hanvon_ids[] = {
+ { USB_DEVICE(USB_VENDOR_ID_HANVON, USB_PRODUCT_ID_AM1209) },
+ { USB_DEVICE(USB_VENDOR_ID_HANVON, USB_PRODUCT_ID_AM1107) },
+ { USB_DEVICE(USB_VENDOR_ID_HANVON, USB_PRODUCT_ID_AM0806) },
+ { USB_DEVICE(USB_VENDOR_ID_HANVON, USB_PRODUCT_ID_RL0604) },
+ { }
+};
+
+MODULE_DEVICE_TABLE(usb, hanvon_ids);
+
+static int hanvon_open(struct input_dev *dev)
+{
+ int ret=0;
+ struct hanvon *hanvon = input_get_drvdata(dev);
+
+ hanvon->old_wheel_pos = -AM_WHEEL_THRESHOLD-1;
+ hanvon->irq->dev = hanvon->usbdev;
+ mutex_lock(&hanvon->mutex);
+ if(usb_submit_urb(hanvon->irq, GFP_KERNEL))
+ ret = -EIO;
+ mutex_unlock(&hanvon->mutex);
+ return ret;
+}
+
+static void hanvon_close(struct input_dev *dev)
+{
+ struct hanvon *hanvon = input_get_drvdata(dev);
+
+ mutex_lock(&hanvon->mutex);
+ usb_kill_urb(hanvon->irq);
+ mutex_unlock(&hanvon->mutex);
+}
+
+static int hanvon_probe(struct usb_interface *intf, const struct usb_device_id *id)
+{
+ struct usb_device *dev = interface_to_usbdev(intf);
+ struct usb_endpoint_descriptor *endpoint;
+ struct hanvon *hanvon;
+ struct input_dev *input_dev;
+ int error = -ENOMEM, i;
+
+ hanvon = kzalloc(sizeof(struct hanvon), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!hanvon || !input_dev)
+ goto fail1;
+
+ hanvon->data = (unsigned char *)usb_alloc_coherent(dev, USB_AM_PACKET_LEN, GFP_KERNEL, &hanvon->data_dma);
+ if (!hanvon->data)
+ goto fail1;
+
+ hanvon->irq = usb_alloc_urb(0, GFP_KERNEL);
+ if (!hanvon->irq)
+ goto fail2;
+
+ hanvon->usbdev = dev;
+ hanvon->dev = input_dev;
+
+ usb_make_path(dev, hanvon->phys, sizeof(hanvon->phys));
+ strlcat(hanvon->phys, "/input0", sizeof(hanvon->phys));
+
+ input_dev->name = "Hanvon Artmaster I tablet";
+ input_dev->phys = hanvon->phys;
+ usb_to_input_id(dev, &input_dev->id);
+ input_dev->dev.parent = &intf->dev;
+
+ input_set_drvdata(input_dev, hanvon);
+
+ input_dev->open = hanvon_open;
+ input_dev->close = hanvon_close;
+
+ input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) | BIT_MASK(EV_REL);
+ input_dev->keybit[BIT_WORD(BTN_DIGI)] |= BIT_MASK(BTN_TOOL_PEN) | BIT_MASK(BTN_TOUCH);
+ input_dev->keybit[BIT_WORD(BTN_LEFT)] |= BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT);
+ for(i=0;i<sizeof(lbuttons)/sizeof(lbuttons[0]);i++)
+ __set_bit(lbuttons[i], input_dev->keybit);
+ for(i=0;i<sizeof(rbuttons)/sizeof(rbuttons[0]);i++)
+ __set_bit(rbuttons[i], input_dev->keybit);
+
+ input_set_abs_params(input_dev, ABS_X, 0, AM_MAX_ABS_X, 4, 0);
+ input_set_abs_params(input_dev, ABS_Y, 0, AM_MAX_ABS_Y, 4, 0);
+ input_set_abs_params(input_dev, ABS_TILT_X, 0, AM_MAX_TILT_X, 0, 0);
+ input_set_abs_params(input_dev, ABS_TILT_Y, 0, AM_MAX_TILT_Y, 0, 0);
+ input_set_abs_params(input_dev, ABS_PRESSURE, 0, AM_MAX_PRESSURE, 0, 0);
+ input_set_capability(input_dev, EV_REL, REL_WHEEL);
+
+ endpoint = &intf->cur_altsetting->endpoint[0].desc;
+
+ usb_fill_int_urb(hanvon->irq, dev,
+ usb_rcvintpipe(dev, endpoint->bEndpointAddress),
+ hanvon->data, USB_AM_PACKET_LEN,
+ hanvon_irq, hanvon, endpoint->bInterval);
+ hanvon->irq->transfer_dma = hanvon->data_dma;
+ hanvon->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+ error = input_register_device(hanvon->dev);
+ if (error)
+ goto fail3;
+
+ usb_set_intfdata(intf, hanvon);
+ mutex_init(&hanvon->mutex);
+ return 0;
+
+fail3: usb_free_urb(hanvon->irq);
+fail2: usb_free_coherent(dev, USB_AM_PACKET_LEN, hanvon->data, hanvon->data_dma);
+fail1: input_free_device(input_dev);
+ kfree(hanvon);
+ return error;
+}
+
+static void hanvon_disconnect(struct usb_interface *intf)
+{
+ struct hanvon *hanvon = usb_get_intfdata(intf);
+
+ usb_set_intfdata(intf, NULL);
+ usb_kill_urb(hanvon->irq);
+ input_unregister_device(hanvon->dev);
+ usb_free_urb(hanvon->irq);
+ usb_free_coherent(interface_to_usbdev(intf), USB_AM_PACKET_LEN, hanvon->data, hanvon->data_dma);
+ kfree(hanvon);
+}
+
+static struct usb_driver hanvon_driver = {
+ .name = "hanvon",
+ .probe = hanvon_probe,
+ .disconnect = hanvon_disconnect,
+ .id_table = hanvon_ids,
+};
+
+static int __init hanvon_init(void)
+{
+ int ret;
+
+ if((ret = usb_register(&hanvon_driver)) != 0)
+ return ret;
+
+ printk(DRIVER_DESC " " DRIVER_VERSION "\n");
+
+ return 0;
+}
+
+static void __exit hanvon_exit(void)
+{
+ usb_deregister(&hanvon_driver);
+}
+
+module_init(hanvon_init);
+module_exit(hanvon_exit);

\
 
 \ /
  Last update: 2012-01-23 02:25    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site