/* * $Id: wacom.c,v 1.9 2000/05/29 09:01:52 vojtech Exp $ * * Copyright (c) 2000 Vojtech Pavlik * Copyright (c) 2000 Andreas Bach Aaen * Copyright (c) 2000 Clifford Wolf * Copyright (c) 2000 Sam Mosel * * USB Wacom Graphire and Wacom Intuos tablet support * * Sponsored by SuSE * * ChangeLog: * v0.1 (vp) - Initial release * v0.2 (aba) - Support for all buttons / combinations * v0.3 (vp) - Support for Intuos added * v0.4 (sm) - Support for more Intuos models, menustrip * relative mode, proximity. * v0.5 (vp) - Big cleanup, nifty features removed, * they belong in userspace * v1.8 (vp) - Submit URB only when operating, moved to CVS, * use input_report_key instead of report_btn and * other cleanups */ /* * 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 * * Should you need to contact me, the author, you can do so either by * e-mail - mail your message to , or by paper mail: * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic */ #include #include #include #include #include #include MODULE_AUTHOR("Vojtech Pavlik "); MODULE_DESCRIPTION("USB Wacom Graphire and Wacom Intuos tablet driver"); /* * Wacom Graphire packet: * * byte 0: report ID (2) * byte 1: bit7 pointer in range * bit5-6 pointer type 0 - pen, 1 - rubber, 2 - mouse * bit4 1 ? * bit3 0 ? * bit2 mouse middle button / pen button2 * bit1 mouse right button / pen button1 * bit0 mouse left button / touch * byte 2: X low bits * byte 3: X high bits * byte 4: Y low bits * byte 5: Y high bits * byte 6: pen pressure low bits / mouse wheel * byte 7: pen presure high bits / mouse distance * * There are also two single-byte feature reports (2 and 3). * * Wacom Intuos status packet: * * byte 0: report ID (2) * byte 1: bit7 1 - sync bit * bit6 pointer in range * bit5 pointer type report * bit4 0 ? * bit3 0 ? * bit2 pen button2 * bit1 pen button1 * bit0 0 ? * byte 2: X high bits * byte 3: X low bits * byte 4: Y high bits * byte 5: Y low bits * byte 6: bits 0-7: pressure (bits 2-9) * byte 7: bits 6-7: pressure (bits 0-1) * byte 7: bits 0-5: X tilt (bits 1-6) * byte 8: bit 7: X tilt (bit 0) * byte 8: bits 0-6: Y tilt (bits 0-6) * byte 9: bits 4-7: distance */ #define USB_VENDOR_ID_WACOM 0x056a struct wacom_features { char *name; int idProduct; int pktlen; int x_max; int y_max; int pressure_max; int distance_max; void (*irq)(struct urb *urb); unsigned long evbit; unsigned long absbit; unsigned long relbit; unsigned long btnbit; unsigned long digibit; }; struct wacom { signed char data[10]; struct input_dev dev; struct urb irq; struct wacom_features *features; int tool; int open; }; static void wacom_graphire_irq(struct urb *urb) { struct wacom *wacom = urb->context; unsigned char *data = wacom->data; struct input_dev *dev = &wacom->dev; if (urb->status) return; if (data[0] != 2) dbg("received unknown report #%d", data[0]); if ( data[1] & 0x80 ) { input_report_abs(dev, ABS_X, data[2] | ((__u32)data[3] << 8)); input_report_abs(dev, ABS_Y, data[4] | ((__u32)data[5] << 8)); } switch ((data[1] >> 5) & 3) { case 0: /* Pen */ input_report_key(dev, BTN_TOOL_PEN, data[1] & 0x80); break; case 1: /* Rubber */ input_report_key(dev, BTN_TOOL_RUBBER, data[1] & 0x80); break; case 2: /* Mouse */ input_report_key(dev, BTN_TOOL_MOUSE, data[7] > 24); input_report_key(dev, BTN_LEFT, data[1] & 0x01); input_report_key(dev, BTN_RIGHT, data[1] & 0x02); input_report_key(dev, BTN_MIDDLE, data[1] & 0x04); input_report_abs(dev, ABS_DISTANCE, data[7]); input_report_rel(dev, REL_WHEEL, (signed char) data[6]); return; } input_report_abs(dev, ABS_PRESSURE, data[6] | ((__u32)data[7] << 8)); input_report_key(dev, BTN_TOUCH, data[1] & 0x01); input_report_key(dev, BTN_STYLUS, data[1] & 0x02); input_report_key(dev, BTN_STYLUS2, data[1] & 0x04); } static void wacom_intuos_irq(struct urb *urb) { struct wacom *wacom = urb->context; unsigned char *data = wacom->data; struct input_dev *dev = &wacom->dev; unsigned int t; if (urb->status) return; if (data[0] != 2) dbg("received unknown report #%d", data[0]); if (((data[1] >> 5) & 0x3) == 0x2) { /* Enter report */ switch (((__u32)data[2] << 4) | (data[3] >> 4)) { case 0x012: wacom->tool = BTN_TOOL_PENCIL; break; /* Inking pen */ case 0x822: case 0x022: wacom->tool = BTN_TOOL_PEN; break; /* Pen */ case 0x032: wacom->tool = BTN_TOOL_BRUSH; break; /* Stroke pen */ case 0x094: wacom->tool = BTN_TOOL_MOUSE; break; /* Mouse 4D */ case 0x096: wacom->tool = BTN_TOOL_LENS; break; /* Lens cursor */ case 0x82a: case 0x0fa: wacom->tool = BTN_TOOL_RUBBER; break; /* Eraser */ case 0x112: wacom->tool = BTN_TOOL_AIRBRUSH; break; /* Airbrush */ default: wacom->tool = BTN_TOOL_PEN; break; /* Unknown tool */ } input_report_key(dev, wacom->tool, 1); return; } if ((data[1] | data[2] | data[3] | data[4] | data[5] | data[6] | data[7] | data[8] | data[9]) == 0x80) { /* Exit report */ input_report_key(dev, wacom->tool, 0); return; } input_report_abs(dev, ABS_X, ((__u32)data[2] << 8) | data[3]); input_report_abs(dev, ABS_Y, ((__u32)data[4] << 8) | data[5]); input_report_abs(dev, ABS_PRESSURE, t = ((__u32)data[6] << 2) | ((data[7] >> 6) & 3)); input_report_abs(dev, ABS_DISTANCE, data[9] >> 4); input_report_abs(dev, ABS_TILT_X, ((data[7] << 1) & 0x7e) | (data[8] >> 7)); input_report_abs(dev, ABS_TILT_Y, data[8] & 0x7f); input_report_key(dev, BTN_STYLUS, data[1] & 2); input_report_key(dev, BTN_STYLUS2, data[1] & 4); input_report_key(dev, BTN_TOUCH, t > 10); } #define WACOM_INTUOS_TOOLS (BIT(BTN_TOOL_BRUSH) | BIT(BTN_TOOL_PENCIL) | BIT(BTN_TOOL_AIRBRUSH) | BIT(BTN_TOOL_LENS)) struct wacom_features wacom_features[] = { { "Wacom Graphire", 0x10, 8, 10206, 7422, 511, 32, wacom_graphire_irq, BIT(EV_REL), 0, BIT(REL_WHEEL), BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE), 0 }, { "Wacom Intuos 4x5", 0x20, 10, 12700, 10360, 1023, 15, wacom_intuos_irq, 0, BIT(ABS_TILT_X) | BIT(ABS_TILT_Y), 0, 0, WACOM_INTUOS_TOOLS }, { "Wacom Intuos 6x8", 0x21, 10, 20320, 15040, 1023, 15, wacom_intuos_irq, 0, BIT(ABS_TILT_X) | BIT(ABS_TILT_Y), 0, 0, WACOM_INTUOS_TOOLS }, { "Wacom Intuos 9x12", 0x22, 10, 30480, 23060, 1023, 15, wacom_intuos_irq, 0, BIT(ABS_TILT_X) | BIT(ABS_TILT_Y), 0, 0, WACOM_INTUOS_TOOLS }, { "Wacom Intuos 12x12", 0x23, 10, 30480, 30480, 1023, 15, wacom_intuos_irq, 0, BIT(ABS_TILT_X) | BIT(ABS_TILT_Y), 0, 0, WACOM_INTUOS_TOOLS }, { "Wacom Intuos 12x18", 0x24, 10, 47720, 30480, 1023, 15, wacom_intuos_irq, 0, BIT(ABS_TILT_X) | BIT(ABS_TILT_Y), 0, 0, WACOM_INTUOS_TOOLS }, { NULL , 0 } }; static int wacom_open(struct input_dev *dev) { struct wacom *wacom = dev->private; if (wacom->open++) return 0; if (usb_submit_urb(&wacom->irq)) return -EIO; return 0; } static void wacom_close(struct input_dev *dev) { struct wacom *wacom = dev->private; if (!--wacom->open) usb_unlink_urb(&wacom->irq); } static void *wacom_probe(struct usb_device *dev, unsigned int ifnum) { struct usb_endpoint_descriptor *endpoint; struct wacom *wacom; int i; if (dev->descriptor.idVendor != USB_VENDOR_ID_WACOM) return NULL; for (i = 0; wacom_features[i].idProduct && wacom_features[i].idProduct != dev->descriptor.idProduct; i++); if (!wacom_features[i].idProduct) return NULL; endpoint = dev->config[0].interface[ifnum].altsetting[0].endpoint + 0; if (!(wacom = kmalloc(sizeof(struct wacom), GFP_KERNEL))) return NULL; memset(wacom, 0, sizeof(struct wacom)); wacom->features = wacom_features + i; wacom->dev.evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | wacom->features->evbit; wacom->dev.absbit[0] |= BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE) | BIT(ABS_DISTANCE) | wacom->features->absbit; wacom->dev.relbit[0] |= wacom->features->relbit; wacom->dev.keybit[LONG(BTN_LEFT)] |= wacom->features->btnbit; wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_TOUCH) | BIT(BTN_STYLUS) | BIT(BTN_STYLUS2) | wacom->features->digibit; wacom->dev.absmax[ABS_X] = wacom->features->x_max; wacom->dev.absmax[ABS_Y] = wacom->features->y_max; wacom->dev.absmax[ABS_PRESSURE] = wacom->features->pressure_max; wacom->dev.absmax[ABS_DISTANCE] = wacom->features->distance_max; wacom->dev.absmax[ABS_TILT_X] = 127; wacom->dev.absmax[ABS_TILT_Y] = 127; wacom->dev.private = wacom; wacom->dev.open = wacom_open; wacom->dev.close = wacom_close; wacom->dev.name = wacom->features->name; wacom->dev.idbus = BUS_USB; wacom->dev.idvendor = dev->descriptor.idVendor; wacom->dev.idproduct = dev->descriptor.idProduct; wacom->dev.idversion = dev->descriptor.bcdDevice; FILL_INT_URB(&wacom->irq, dev, usb_rcvintpipe(dev, endpoint->bEndpointAddress), wacom->data, wacom->features->pktlen, wacom->features->irq, wacom, endpoint->bInterval); input_register_device(&wacom->dev); printk(KERN_INFO "input%d: %s on usb%d:%d.%d\n", wacom->dev.number, wacom->features->name, dev->bus->busnum, dev->devnum, ifnum); return wacom; } static void wacom_disconnect(struct usb_device *dev, void *ptr) { struct wacom *wacom = ptr; usb_unlink_urb(&wacom->irq); input_unregister_device(&wacom->dev); kfree(wacom); } static struct usb_driver wacom_driver = { name: "wacom", probe: wacom_probe, disconnect: wacom_disconnect, }; static int __init wacom_init(void) { usb_register(&wacom_driver); return 0; } static void __exit wacom_exit(void) { usb_deregister(&wacom_driver); } module_init(wacom_init); module_exit(wacom_exit);