Input: add driver for Acecad Flair USB tablets
authorStephane VOLTZ <svoltz@numericable.fr>
Mon, 6 Jun 2005 07:22:37 +0000 (02:22 -0500)
committerDmitry Torokhov <dtor_core@ameritech.net>
Mon, 6 Jun 2005 07:22:37 +0000 (02:22 -0500)
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
drivers/usb/Makefile
drivers/usb/input/Kconfig
drivers/usb/input/Makefile
drivers/usb/input/acecad.c [new file with mode: 0644]
drivers/usb/input/hid-core.c

index a61d4433a989f2f309c78866be1870db6519da3f..a708a1dbb530fd3b4b68992a460a9e69e45e69b1 100644 (file)
@@ -31,6 +31,7 @@ obj-$(CONFIG_USB_MOUSE)               += input/
 obj-$(CONFIG_USB_MTOUCH)       += input/
 obj-$(CONFIG_USB_POWERMATE)    += input/
 obj-$(CONFIG_USB_WACOM)                += input/
+obj-$(CONFIG_USB_ACECAD)       += input/
 obj-$(CONFIG_USB_XPAD)         += input/
 
 obj-$(CONFIG_USB_DABUSB)       += media/
index fcae574f310666d737a4eb171c90d8d0a326f973..fd59f6bdd67faa72b9964c0884334f43a22e1256 100644 (file)
@@ -151,6 +151,18 @@ config USB_WACOM
          To compile this driver as a module, choose M here: the
          module will be called wacom.
 
+config USB_ACECAD
+       tristate "Acecad Flair tablet support"
+       depends on USB && INPUT
+       help
+         Say Y here if you want to use the USB version of the Acecad Flair
+         tablet.  Make sure to say Y to "Mouse support"
+         (CONFIG_INPUT_MOUSEDEV) and/or "Event interface support"
+         (CONFIG_INPUT_EVDEV) as well.
+
+         To compile this driver as a module, choose M here: the
+         module will be called acecad.
+
 config USB_KBTAB
        tristate "KB Gear JamStudio tablet support"
        depends on USB && INPUT
index f0fd02e00d329b431b3952b5640a2ee24e642c92..831b2b0f1f051072050f80e23eae9ee3e19f3c0a 100644 (file)
@@ -37,4 +37,5 @@ obj-$(CONFIG_USB_ITMTOUCH)    += itmtouch.o
 obj-$(CONFIG_USB_EGALAX)       += touchkitusb.o
 obj-$(CONFIG_USB_POWERMATE)    += powermate.o
 obj-$(CONFIG_USB_WACOM)                += wacom.o
+obj-$(CONFIG_USB_ACECAD)       += acecad.o
 obj-$(CONFIG_USB_XPAD)         += xpad.o
diff --git a/drivers/usb/input/acecad.c b/drivers/usb/input/acecad.c
new file mode 100644 (file)
index 0000000..ebcf7c9
--- /dev/null
@@ -0,0 +1,285 @@
+/*
+ *  Copyright (c) 2001-2005 Edouard TISSERANT   <edouard.tisserant@wanadoo.fr>
+ *  Copyright (c) 2004-2005 Stephane VOLTZ      <svoltz@numericable.fr>
+ *
+ *  USB Acecad "Acecad Flair" tablet support
+ *
+ *  Changelog:
+ *      v3.2 - Added sysfs support
+ */
+
+/*
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/input.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/usb.h>
+
+/*
+ * Version Information
+ */
+#define DRIVER_VERSION "v3.2"
+#define DRIVER_DESC    "USB Acecad Flair tablet driver"
+#define DRIVER_LICENSE "GPL"
+#define DRIVER_AUTHOR  "Edouard TISSERANT <edouard.tisserant@wanadoo.fr>"
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE(DRIVER_LICENSE);
+
+#define USB_VENDOR_ID_ACECAD   0x0460
+#define USB_DEVICE_ID_FLAIR    0x0004
+#define USB_DEVICE_ID_302      0x0008
+
+struct usb_acecad {
+       char name[128];
+       char phys[64];
+       struct usb_device *usbdev;
+       struct input_dev dev;
+       struct urb *irq;
+
+       signed char *data;
+       dma_addr_t data_dma;
+};
+
+static void usb_acecad_irq(struct urb *urb, struct pt_regs *regs)
+{
+       struct usb_acecad *acecad = urb->context;
+       unsigned char *data = acecad->data;
+       struct input_dev *dev = &acecad->dev;
+       int prox, status;
+
+       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", __FUNCTION__, urb->status);
+                       return;
+               default:
+                       dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
+                       goto resubmit;
+       }
+
+       prox = (data[0] & 0x04) >> 2;
+       input_report_key(dev, BTN_TOOL_PEN, prox);
+
+       if (prox) {
+               int x = data[1] | (data[2] << 8);
+               int y = data[3] | (data[4] << 8);
+               /*Pressure should compute the same way for flair and 302*/
+               int pressure = data[5] | ((int)data[6] << 8);
+               int touch = data[0] & 0x01;
+               int stylus = (data[0] & 0x10) >> 4;
+               int stylus2 = (data[0] & 0x20) >> 5;
+               input_report_abs(dev, ABS_X, x);
+               input_report_abs(dev, ABS_Y, y);
+               input_report_abs(dev, ABS_PRESSURE, pressure);
+               input_report_key(dev, BTN_TOUCH, touch);
+               input_report_key(dev, BTN_STYLUS, stylus);
+               input_report_key(dev, BTN_STYLUS2, stylus2);
+       }
+
+       /* event termination */
+       input_sync(dev);
+
+resubmit:
+       status = usb_submit_urb (urb, GFP_ATOMIC);
+       if (status)
+               err ("can't resubmit intr, %s-%s/input0, status %d",
+                       acecad->usbdev->bus->bus_name, acecad->usbdev->devpath, status);
+}
+
+static int usb_acecad_open(struct input_dev *dev)
+{
+       struct usb_acecad *acecad = dev->private;
+
+       acecad->irq->dev = acecad->usbdev;
+       if (usb_submit_urb(acecad->irq, GFP_KERNEL))
+               return -EIO;
+
+       return 0;
+}
+
+static void usb_acecad_close(struct input_dev *dev)
+{
+       struct usb_acecad *acecad = dev->private;
+
+       usb_kill_urb(acecad->irq);
+}
+
+static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_id *id)
+{
+       struct usb_device *dev = interface_to_usbdev(intf);
+       struct usb_host_interface *interface = intf->cur_altsetting;
+       struct usb_endpoint_descriptor *endpoint;
+       struct usb_acecad *acecad;
+       int pipe, maxp;
+       char path[64];
+
+       if (interface->desc.bNumEndpoints != 1)
+               return -ENODEV;
+
+       endpoint = &interface->endpoint[0].desc;
+
+       if (!(endpoint->bEndpointAddress & 0x80))
+               return -ENODEV;
+
+       if ((endpoint->bmAttributes & 3) != 3)
+               return -ENODEV;
+
+       pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
+       maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
+
+       acecad = kcalloc(1, sizeof(struct usb_acecad), GFP_KERNEL);
+       if (!acecad)
+               return -ENOMEM;
+
+       acecad->data = usb_buffer_alloc(dev, 8, SLAB_KERNEL, &acecad->data_dma);
+       if (!acecad->data)
+               goto fail1;
+
+       acecad->irq = usb_alloc_urb(0, GFP_KERNEL);
+       if (!acecad->irq)
+               goto fail2;
+
+       if (dev->manufacturer)
+               strlcpy(acecad->name, dev->manufacturer, sizeof(acecad->name));
+
+       if (dev->product) {
+               if (dev->manufacturer)
+                       strlcat(acecad->name, " ", sizeof(acecad->name));
+               strlcat(acecad->name, dev->product, sizeof(acecad->name));
+       }
+
+       usb_make_path(dev, path, sizeof(path));
+       snprintf(acecad->phys, sizeof(acecad->phys), "%s/input0", path);
+
+       acecad->usbdev = dev;
+
+       acecad->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+       acecad->dev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE);
+       acecad->dev.keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
+       acecad->dev.keybit[LONG(BTN_DIGI)] = BIT(BTN_TOOL_PEN) |BIT(BTN_TOUCH) | BIT(BTN_STYLUS) | BIT(BTN_STYLUS2);
+
+       switch (id->driver_info) {
+               case 0:
+                       acecad->dev.absmax[ABS_X] = 5000;
+                       acecad->dev.absmax[ABS_Y] = 3750;
+                       acecad->dev.absmax[ABS_PRESSURE] = 512;
+                       if (!strlen(acecad->name))
+                               snprintf(acecad->name, sizeof(acecad->name),
+                                       "USB Acecad Flair Tablet %04x:%04x",
+                                       dev->descriptor.idVendor, dev->descriptor.idProduct);
+                       break;
+               case 1:
+                       acecad->dev.absmax[ABS_X] = 3000;
+                       acecad->dev.absmax[ABS_Y] = 2250;
+                       acecad->dev.absmax[ABS_PRESSURE] = 1024;
+                       if (!strlen(acecad->name))
+                               snprintf(acecad->name, sizeof(acecad->name),
+                                       "USB Acecad 302 Tablet %04x:%04x",
+                                       dev->descriptor.idVendor, dev->descriptor.idProduct);
+                       break;
+       }
+
+       acecad->dev.absfuzz[ABS_X] = 4;
+       acecad->dev.absfuzz[ABS_Y] = 4;
+
+       acecad->dev.private = acecad;
+       acecad->dev.open = usb_acecad_open;
+       acecad->dev.close = usb_acecad_close;
+
+       acecad->dev.name = acecad->name;
+       acecad->dev.phys = acecad->phys;
+       acecad->dev.id.bustype = BUS_USB;
+       acecad->dev.id.vendor = le16_to_cpu(dev->descriptor.idVendor);
+       acecad->dev.id.product = le16_to_cpu(dev->descriptor.idProduct);
+       acecad->dev.id.version = le16_to_cpu(dev->descriptor.bcdDevice);
+       acecad->dev.dev = &intf->dev;
+
+       usb_fill_int_urb(acecad->irq, dev, pipe,
+                       acecad->data, maxp > 8 ? 8 : maxp,
+                       usb_acecad_irq, acecad, endpoint->bInterval);
+       acecad->irq->transfer_dma = acecad->data_dma;
+       acecad->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+       input_register_device(&acecad->dev);
+
+       printk(KERN_INFO "input: %s with packet size %d on %s\n",
+               acecad->name, maxp, path);
+
+       usb_set_intfdata(intf, acecad);
+
+       return 0;
+
+ fail2:        usb_buffer_free(dev, 8, acecad->data, acecad->data_dma);
+ fail1:        kfree(acecad);
+       return -ENOMEM;
+}
+
+static void usb_acecad_disconnect(struct usb_interface *intf)
+{
+       struct usb_acecad *acecad = usb_get_intfdata(intf);
+
+       usb_set_intfdata(intf, NULL);
+       if (acecad) {
+               usb_kill_urb(acecad->irq);
+               input_unregister_device(&acecad->dev);
+               usb_free_urb(acecad->irq);
+               usb_buffer_free(interface_to_usbdev(intf), 10, acecad->data, acecad->data_dma);
+               kfree(acecad);
+       }
+}
+
+static struct usb_device_id usb_acecad_id_table [] = {
+       { USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_FLAIR), .driver_info = 0 },
+       { USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_302),   .driver_info = 1 },
+       { }
+};
+
+MODULE_DEVICE_TABLE(usb, usb_acecad_id_table);
+
+static struct usb_driver usb_acecad_driver = {
+       .owner =        THIS_MODULE,
+       .name =         "usb_acecad",
+       .probe =        usb_acecad_probe,
+       .disconnect =   usb_acecad_disconnect,
+       .id_table =     usb_acecad_id_table,
+};
+
+static int __init usb_acecad_init(void)
+{
+       int result = usb_register(&usb_acecad_driver);
+       if (result == 0)
+               info(DRIVER_VERSION ":" DRIVER_DESC);
+       return result;
+}
+
+static void __exit usb_acecad_exit(void)
+{
+       usb_deregister(&usb_acecad_driver);
+}
+
+module_init(usb_acecad_init);
+module_exit(usb_acecad_exit);
index 96959ec590a385caf0eddb45cf69b7a2805a3852..d88e588ff17878aaa34c077c84868e4c1d842cb8 100644 (file)
@@ -1321,6 +1321,10 @@ void hid_init_reports(struct hid_device *hid)
 #define USB_DEVICE_ID_WACOM_INTUOS3    0x00B0
 #define USB_DEVICE_ID_WACOM_CINTIQ     0x003F
 
+#define USB_VENDOR_ID_ACECAD           0x0460
+#define USB_DEVICE_ID_ACECAD_FLAIR     0x0004
+#define USB_DEVICE_ID_ACECAD_302       0x0008
+
 #define USB_VENDOR_ID_KBGEAR           0x084e
 #define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001
 
@@ -1505,6 +1509,9 @@ static struct hid_blacklist {
        { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
        { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
 
+       { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE },
+       { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE },
+
        { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
        { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
        { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },