forked from luck/tmp_suning_uos_patched
3bea733ab2
- split wacom.c into 4 files: wacom.h, wacom_wac.h, wacom_sys.c, and wacom_wac.c - where wacom_sys.c deals with system specific code, - and wacom_wac.c deals with Wacom specific code Signed-off-by: Ping Cheng <pingc@wacom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
316 lines
9.2 KiB
C
316 lines
9.2 KiB
C
/*
|
|
* drivers/usb/input/wacom_sys.c
|
|
*
|
|
* USB Wacom Graphire and Wacom Intuos tablet support - system specific code
|
|
*/
|
|
|
|
/*
|
|
* 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 "wacom.h"
|
|
#include "wacom_wac.h"
|
|
|
|
#define USB_REQ_GET_REPORT 0x01
|
|
#define USB_REQ_SET_REPORT 0x09
|
|
|
|
static int usb_get_report(struct usb_interface *intf, unsigned char type,
|
|
unsigned char id, void *buf, int size)
|
|
{
|
|
return usb_control_msg(interface_to_usbdev(intf),
|
|
usb_rcvctrlpipe(interface_to_usbdev(intf), 0),
|
|
USB_REQ_GET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
|
|
(type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
|
|
buf, size, 100);
|
|
}
|
|
|
|
static int usb_set_report(struct usb_interface *intf, unsigned char type,
|
|
unsigned char id, void *buf, int size)
|
|
{
|
|
return usb_control_msg(interface_to_usbdev(intf),
|
|
usb_sndctrlpipe(interface_to_usbdev(intf), 0),
|
|
USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
|
|
(type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
|
|
buf, size, 1000);
|
|
}
|
|
|
|
static struct input_dev * get_input_dev(struct wacom_combo *wcombo)
|
|
{
|
|
return wcombo->wacom->dev;
|
|
}
|
|
|
|
void wacom_sys_irq(struct urb *urb, struct pt_regs *regs)
|
|
{
|
|
struct wacom *wacom = urb->context;
|
|
struct wacom_combo wcombo;
|
|
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;
|
|
}
|
|
|
|
wcombo.wacom = wacom;
|
|
wcombo.urb = urb;
|
|
wcombo.regs = regs;
|
|
|
|
if (wacom_wac_irq(wacom->wacom_wac, (void *)&wcombo))
|
|
input_sync(get_input_dev(&wcombo));
|
|
|
|
exit:
|
|
retval = usb_submit_urb (urb, GFP_ATOMIC);
|
|
if (retval)
|
|
err ("%s - usb_submit_urb failed with result %d",
|
|
__FUNCTION__, retval);
|
|
}
|
|
|
|
void wacom_report_key(void *wcombo, unsigned int key_type, int key_data)
|
|
{
|
|
input_report_key(get_input_dev((struct wacom_combo *)wcombo), key_type, key_data);
|
|
return;
|
|
}
|
|
|
|
void wacom_report_abs(void *wcombo, unsigned int abs_type, int abs_data)
|
|
{
|
|
input_report_abs(get_input_dev((struct wacom_combo *)wcombo), abs_type, abs_data);
|
|
return;
|
|
}
|
|
|
|
void wacom_report_rel(void *wcombo, unsigned int rel_type, int rel_data)
|
|
{
|
|
input_report_rel(get_input_dev((struct wacom_combo *)wcombo), rel_type, rel_data);
|
|
return;
|
|
}
|
|
|
|
void wacom_input_event(void *wcombo, unsigned int type, unsigned int code, int value)
|
|
{
|
|
input_event(get_input_dev((struct wacom_combo *)wcombo), type, code, value);
|
|
return;
|
|
}
|
|
|
|
__u16 wacom_be16_to_cpu(unsigned char *data)
|
|
{
|
|
__u16 value;
|
|
value = be16_to_cpu(*(__be16 *) data);
|
|
return value;
|
|
}
|
|
|
|
__u16 wacom_le16_to_cpu(unsigned char *data)
|
|
{
|
|
__u16 value;
|
|
value = be16_to_cpu(*(__be16 *) data);
|
|
return value;
|
|
}
|
|
|
|
void wacom_input_regs(void *wcombo)
|
|
{
|
|
input_regs(get_input_dev((struct wacom_combo *)wcombo), ((struct wacom_combo *)wcombo)->regs);
|
|
return;
|
|
}
|
|
|
|
void wacom_input_sync(void *wcombo)
|
|
{
|
|
input_sync(get_input_dev((struct wacom_combo *)wcombo));
|
|
return;
|
|
}
|
|
|
|
static int wacom_open(struct input_dev *dev)
|
|
{
|
|
struct wacom *wacom = dev->private;
|
|
|
|
wacom->irq->dev = wacom->usbdev;
|
|
if (usb_submit_urb(wacom->irq, GFP_KERNEL))
|
|
return -EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void wacom_close(struct input_dev *dev)
|
|
{
|
|
struct wacom *wacom = dev->private;
|
|
|
|
usb_kill_urb(wacom->irq);
|
|
}
|
|
|
|
void input_dev_g4(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
|
|
{
|
|
input_dev->evbit[0] |= BIT(EV_MSC);
|
|
input_dev->mscbit[0] |= BIT(MSC_SERIAL);
|
|
input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER);
|
|
input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_1) | BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4) | BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7);
|
|
}
|
|
|
|
void input_dev_g(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
|
|
{
|
|
input_dev->evbit[0] |= BIT(EV_REL);
|
|
input_dev->relbit[0] |= BIT(REL_WHEEL);
|
|
input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
|
|
input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_STYLUS2);
|
|
input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0);
|
|
}
|
|
|
|
void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
|
|
{
|
|
input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER);
|
|
input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_1) | BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4) | BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7);
|
|
input_set_abs_params(input_dev, ABS_RX, 0, 4097, 0, 0);
|
|
input_set_abs_params(input_dev, ABS_RY, 0, 4097, 0, 0);
|
|
}
|
|
|
|
void input_dev_i(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
|
|
{
|
|
input_dev->evbit[0] |= BIT(EV_MSC) | BIT(EV_REL);
|
|
input_dev->mscbit[0] |= BIT(MSC_SERIAL);
|
|
input_dev->relbit[0] |= BIT(REL_WHEEL);
|
|
input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE) | BIT(BTN_SIDE) | BIT(BTN_EXTRA);
|
|
input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_TOOL_BRUSH)
|
|
| BIT(BTN_TOOL_PENCIL) | BIT(BTN_TOOL_AIRBRUSH) | BIT(BTN_TOOL_LENS) | BIT(BTN_STYLUS2);
|
|
input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0);
|
|
input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
|
|
input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0);
|
|
input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0);
|
|
input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
|
|
input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
|
|
}
|
|
|
|
void input_dev_pl(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
|
|
{
|
|
input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_STYLUS2) | BIT(BTN_TOOL_RUBBER);
|
|
}
|
|
|
|
void input_dev_pt(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
|
|
{
|
|
input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER);
|
|
}
|
|
|
|
static int wacom_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 wacom *wacom;
|
|
struct wacom_wac *wacom_wac;
|
|
struct input_dev *input_dev;
|
|
char rep_data[2], limit = 0;
|
|
|
|
wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
|
|
wacom_wac = kzalloc(sizeof(struct wacom_wac), GFP_KERNEL);
|
|
input_dev = input_allocate_device();
|
|
if (!wacom || !input_dev || !wacom_wac)
|
|
goto fail1;
|
|
|
|
wacom_wac->data = usb_buffer_alloc(dev, 10, GFP_KERNEL, &wacom->data_dma);
|
|
if (!wacom_wac->data)
|
|
goto fail1;
|
|
|
|
wacom->irq = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!wacom->irq)
|
|
goto fail2;
|
|
|
|
wacom->usbdev = dev;
|
|
wacom->dev = input_dev;
|
|
usb_make_path(dev, wacom->phys, sizeof(wacom->phys));
|
|
strlcat(wacom->phys, "/input0", sizeof(wacom->phys));
|
|
|
|
wacom_wac->features = get_wacom_feature(id);
|
|
if (wacom_wac->features->pktlen > 10)
|
|
BUG();
|
|
|
|
input_dev->name = wacom_wac->features->name;
|
|
wacom->wacom_wac = wacom_wac;
|
|
usb_to_input_id(dev, &input_dev->id);
|
|
|
|
input_dev->cdev.dev = &intf->dev;
|
|
input_dev->private = wacom;
|
|
input_dev->open = wacom_open;
|
|
input_dev->close = wacom_close;
|
|
|
|
input_dev->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS);
|
|
input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH) | BIT(BTN_STYLUS);
|
|
input_set_abs_params(input_dev, ABS_X, 0, wacom_wac->features->x_max, 4, 0);
|
|
input_set_abs_params(input_dev, ABS_Y, 0, wacom_wac->features->y_max, 4, 0);
|
|
input_set_abs_params(input_dev, ABS_PRESSURE, 0, wacom_wac->features->pressure_max, 0, 0);
|
|
input_dev->absbit[LONG(ABS_MISC)] |= BIT(ABS_MISC);
|
|
|
|
wacom_init_input_dev(input_dev, wacom_wac);
|
|
|
|
endpoint = &intf->cur_altsetting->endpoint[0].desc;
|
|
|
|
usb_fill_int_urb(wacom->irq, dev,
|
|
usb_rcvintpipe(dev, endpoint->bEndpointAddress),
|
|
wacom_wac->data, wacom_wac->features->pktlen,
|
|
wacom_wac->features->irq, wacom, endpoint->bInterval);
|
|
wacom->irq->transfer_dma = wacom->data_dma;
|
|
wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
|
|
|
|
input_register_device(wacom->dev);
|
|
|
|
/* Ask the tablet to report tablet data. Repeat until it succeeds */
|
|
do {
|
|
rep_data[0] = 2;
|
|
rep_data[1] = 2;
|
|
usb_set_report(intf, 3, 2, rep_data, 2);
|
|
usb_get_report(intf, 3, 2, rep_data, 2);
|
|
} while (rep_data[1] != 2 && limit++ < 5);
|
|
|
|
usb_set_intfdata(intf, wacom);
|
|
return 0;
|
|
|
|
fail2: usb_buffer_free(dev, 10, wacom_wac->data, wacom->data_dma);
|
|
fail1: input_free_device(input_dev);
|
|
kfree(wacom);
|
|
kfree(wacom_wac);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
static void wacom_disconnect(struct usb_interface *intf)
|
|
{
|
|
struct wacom *wacom = usb_get_intfdata (intf);
|
|
|
|
usb_set_intfdata(intf, NULL);
|
|
if (wacom) {
|
|
usb_kill_urb(wacom->irq);
|
|
input_unregister_device(wacom->dev);
|
|
usb_free_urb(wacom->irq);
|
|
usb_buffer_free(interface_to_usbdev(intf), 10, wacom->wacom_wac->data, wacom->data_dma);
|
|
kfree(wacom);
|
|
kfree(wacom->wacom_wac);
|
|
}
|
|
}
|
|
|
|
static struct usb_driver wacom_driver = {
|
|
.name = "wacom",
|
|
.probe = wacom_probe,
|
|
.disconnect = wacom_disconnect,
|
|
};
|
|
|
|
static int __init wacom_init(void)
|
|
{
|
|
int result;
|
|
wacom_driver.id_table = get_device_table();
|
|
result = usb_register(&wacom_driver);
|
|
if (result == 0)
|
|
info(DRIVER_VERSION ":" DRIVER_DESC);
|
|
return result;
|
|
}
|
|
|
|
static void __exit wacom_exit(void)
|
|
{
|
|
usb_deregister(&wacom_driver);
|
|
}
|
|
|
|
module_init(wacom_init);
|
|
module_exit(wacom_exit);
|