diff options
Diffstat (limited to 'drivers/usb/input/kbtab.c')
| -rw-r--r-- | drivers/usb/input/kbtab.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/drivers/usb/input/kbtab.c b/drivers/usb/input/kbtab.c deleted file mode 100644 index c4781b9d1297..000000000000 --- a/drivers/usb/input/kbtab.c +++ /dev/null @@ -1,226 +0,0 @@ -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/usb/input.h> -#include <asm/unaligned.h> - -/* - * Version Information - * v0.0.1 - Original, extremely basic version, 2.4.xx only - * v0.0.2 - Updated, works with 2.5.62 and 2.4.20; - * - added pressure-threshold modules param code from - * Alex Perry <alex.perry@ieee.org> - */ - -#define DRIVER_VERSION "v0.0.2" -#define DRIVER_AUTHOR "Josh Myer <josh@joshisanerd.com>" -#define DRIVER_DESC "USB KB Gear JamStudio Tablet driver" -#define DRIVER_LICENSE "GPL" - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE(DRIVER_LICENSE); - -#define USB_VENDOR_ID_KBGEAR 0x084e - -static int kb_pressure_click = 0x10; -module_param(kb_pressure_click, int, 0); -MODULE_PARM_DESC(kb_pressure_click, "pressure threshold for clicks"); - -struct kbtab { - signed char *data; - dma_addr_t data_dma; - struct input_dev *dev; - struct usb_device *usbdev; - struct urb *irq; - int x, y; - int button; - int pressure; - __u32 serial[2]; - char phys[32]; -}; - -static void kbtab_irq(struct urb *urb) -{ - struct kbtab *kbtab = urb->context; - unsigned char *data = kbtab->data; - struct input_dev *dev = kbtab->dev; - int retval; - - 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 exit; - } - - kbtab->x = le16_to_cpu(get_unaligned((__le16 *) &data[1])); - kbtab->y = le16_to_cpu(get_unaligned((__le16 *) &data[3])); - - kbtab->pressure = (data[5]); - - input_report_key(dev, BTN_TOOL_PEN, 1); - - input_report_abs(dev, ABS_X, kbtab->x); - input_report_abs(dev, ABS_Y, kbtab->y); - - /*input_report_key(dev, BTN_TOUCH , data[0] & 0x01);*/ - input_report_key(dev, BTN_RIGHT, data[0] & 0x02); - - if (-1 == kb_pressure_click) { - input_report_abs(dev, ABS_PRESSURE, kbtab->pressure); - } else { - input_report_key(dev, BTN_LEFT, (kbtab->pressure > kb_pressure_click) ? 1 : 0); - }; - - input_sync(dev); - - exit: - retval = usb_submit_urb (urb, GFP_ATOMIC); - if (retval) - err ("%s - usb_submit_urb failed with result %d", - __FUNCTION__, retval); -} - -static struct usb_device_id kbtab_ids[] = { - { USB_DEVICE(USB_VENDOR_ID_KBGEAR, 0x1001), .driver_info = 0 }, - { } -}; - -MODULE_DEVICE_TABLE(usb, kbtab_ids); - -static int kbtab_open(struct input_dev *dev) -{ - struct kbtab *kbtab = input_get_drvdata(dev); - - kbtab->irq->dev = kbtab->usbdev; - if (usb_submit_urb(kbtab->irq, GFP_KERNEL)) - return -EIO; - - return 0; -} - -static void kbtab_close(struct input_dev *dev) -{ - struct kbtab *kbtab = input_get_drvdata(dev); - - usb_kill_urb(kbtab->irq); -} - -static int kbtab_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 kbtab *kbtab; - struct input_dev *input_dev; - int error = -ENOMEM; - - kbtab = kzalloc(sizeof(struct kbtab), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!kbtab || !input_dev) - goto fail1; - - kbtab->data = usb_buffer_alloc(dev, 8, GFP_KERNEL, &kbtab->data_dma); - if (!kbtab->data) - goto fail1; - - kbtab->irq = usb_alloc_urb(0, GFP_KERNEL); - if (!kbtab->irq) - goto fail2; - - kbtab->usbdev = dev; - kbtab->dev = input_dev; - - usb_make_path(dev, kbtab->phys, sizeof(kbtab->phys)); - strlcat(kbtab->phys, "/input0", sizeof(kbtab->phys)); - - input_dev->name = "KB Gear Tablet"; - input_dev->phys = kbtab->phys; - usb_to_input_id(dev, &input_dev->id); - input_dev->dev.parent = &intf->dev; - - input_set_drvdata(input_dev, kbtab); - - input_dev->open = kbtab_open; - input_dev->close = kbtab_close; - - input_dev->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_MSC); - input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE); - input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH); - input_dev->mscbit[0] |= BIT(MSC_SERIAL); - input_set_abs_params(input_dev, ABS_X, 0, 0x2000, 4, 0); - input_set_abs_params(input_dev, ABS_Y, 0, 0x1750, 4, 0); - input_set_abs_params(input_dev, ABS_PRESSURE, 0, 0xff, 0, 0); - - endpoint = &intf->cur_altsetting->endpoint[0].desc; - - usb_fill_int_urb(kbtab->irq, dev, - usb_rcvintpipe(dev, endpoint->bEndpointAddress), - kbtab->data, 8, - kbtab_irq, kbtab, endpoint->bInterval); - kbtab->irq->transfer_dma = kbtab->data_dma; - kbtab->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; - - error = input_register_device(kbtab->dev); - if (error) - goto fail3; - - usb_set_intfdata(intf, kbtab); - - return 0; - - fail3: usb_free_urb(kbtab->irq); - fail2: usb_buffer_free(dev, 10, kbtab->data, kbtab->data_dma); - fail1: input_free_device(input_dev); - kfree(kbtab); - return error; -} - -static void kbtab_disconnect(struct usb_interface *intf) -{ - struct kbtab *kbtab = usb_get_intfdata(intf); - - usb_set_intfdata(intf, NULL); - if (kbtab) { - usb_kill_urb(kbtab->irq); - input_unregister_device(kbtab->dev); - usb_free_urb(kbtab->irq); - usb_buffer_free(interface_to_usbdev(intf), 10, kbtab->data, kbtab->data_dma); - kfree(kbtab); - } -} - -static struct usb_driver kbtab_driver = { - .name = "kbtab", - .probe = kbtab_probe, - .disconnect = kbtab_disconnect, - .id_table = kbtab_ids, -}; - -static int __init kbtab_init(void) -{ - int retval; - retval = usb_register(&kbtab_driver); - if (retval) - goto out; - info(DRIVER_VERSION ":" DRIVER_DESC); -out: - return retval; -} - -static void __exit kbtab_exit(void) -{ - usb_deregister(&kbtab_driver); -} - -module_init(kbtab_init); -module_exit(kbtab_exit); |