This commit was manufactured by cvs2svn to create branch 'vserver'.
[linux-2.6.git] / drivers / usb / input / wacom_wac.c
diff --git a/drivers/usb/input/wacom_wac.c b/drivers/usb/input/wacom_wac.c
new file mode 100644 (file)
index 0000000..4142e36
--- /dev/null
@@ -0,0 +1,650 @@
+/*
+ * drivers/usb/input/wacom_wac.c
+ *
+ *  USB Wacom Graphire and Wacom Intuos tablet support - Wacom 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"
+
+static int wacom_penpartner_irq(struct wacom_wac *wacom, void *wcombo)
+{
+       unsigned char *data = wacom->data;
+
+       switch (data[0]) {
+               case 1:
+                       if (data[5] & 0x80) {
+                               wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
+                               wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
+                               wacom_report_key(wcombo, wacom->tool[0], 1);
+                               wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
+                               wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[1]));
+                               wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[3]));
+                               wacom_report_abs(wcombo, ABS_PRESSURE, (signed char)data[6] + 127);
+                               wacom_report_key(wcombo, BTN_TOUCH, ((signed char)data[6] > -127));
+                               wacom_report_key(wcombo, BTN_STYLUS, (data[5] & 0x40));
+                       } else {
+                               wacom_report_key(wcombo, wacom->tool[0], 0);
+                               wacom_report_abs(wcombo, ABS_MISC, 0); /* report tool id */
+                               wacom_report_abs(wcombo, ABS_PRESSURE, -1);
+                               wacom_report_key(wcombo, BTN_TOUCH, 0);
+                       }
+                       break;
+               case 2:
+                       wacom_report_key(wcombo, BTN_TOOL_PEN, 1);
+                       wacom_report_abs(wcombo, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
+                       wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[1]));
+                       wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[3]));
+                       wacom_report_abs(wcombo, ABS_PRESSURE, (signed char)data[6] + 127);
+                       wacom_report_key(wcombo, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
+                       wacom_report_key(wcombo, BTN_STYLUS, (data[5] & 0x40));
+                       break;
+               default:
+                       printk(KERN_INFO "wacom_penpartner_irq: received unknown report #%d\n", data[0]);
+                       return 0;
+        }
+       return 1;
+}
+
+static int wacom_pl_irq(struct wacom_wac *wacom, void *wcombo)
+{
+       unsigned char *data = wacom->data;
+       int prox, id, pressure;
+
+       if (data[0] != 2) {
+               dbg("wacom_pl_irq: received unknown report #%d", data[0]);
+               return 0;
+       }
+
+       prox = data[1] & 0x40;
+
+       id = ERASER_DEVICE_ID;
+       if (prox) {
+
+               pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
+               if (wacom->features->pressure_max > 255)
+                       pressure = (pressure << 1) | ((data[4] >> 6) & 1);
+               pressure += (wacom->features->pressure_max + 1) / 2;
+
+               /*
+                * if going from out of proximity into proximity select between the eraser
+                * and the pen based on the state of the stylus2 button, choose eraser if
+                * pressed else choose pen. if not a proximity change from out to in, send
+                * an out of proximity for previous tool then a in for new tool.
+                */
+               if (!wacom->tool[0]) {
+                       /* Eraser bit set for DTF */
+                       if (data[1] & 0x10)
+                               wacom->tool[1] = BTN_TOOL_RUBBER;
+                       else
+                               /* Going into proximity select tool */
+                               wacom->tool[1] = (data[4] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
+               } else {
+                       /* was entered with stylus2 pressed */
+                       if (wacom->tool[1] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
+                               /* report out proximity for previous tool */
+                               wacom_report_key(wcombo, wacom->tool[1], 0);
+                               wacom_input_sync(wcombo);
+                               wacom->tool[1] = BTN_TOOL_PEN;
+                               return 0;
+                       }
+               }
+               if (wacom->tool[1] != BTN_TOOL_RUBBER) {
+                       /* Unknown tool selected default to pen tool */
+                       wacom->tool[1] = BTN_TOOL_PEN;
+                       id = STYLUS_DEVICE_ID;
+               }
+               wacom_report_key(wcombo, wacom->tool[1], prox); /* report in proximity for tool */
+               wacom_report_abs(wcombo, ABS_MISC, id); /* report tool id */
+               wacom_report_abs(wcombo, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
+               wacom_report_abs(wcombo, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
+               wacom_report_abs(wcombo, ABS_PRESSURE, pressure);
+
+               wacom_report_key(wcombo, BTN_TOUCH, data[4] & 0x08);
+               wacom_report_key(wcombo, BTN_STYLUS, data[4] & 0x10);
+               /* Only allow the stylus2 button to be reported for the pen tool. */
+               wacom_report_key(wcombo, BTN_STYLUS2, (wacom->tool[1] == BTN_TOOL_PEN) && (data[4] & 0x20));
+       } else {
+               /* report proximity-out of a (valid) tool */
+               if (wacom->tool[1] != BTN_TOOL_RUBBER) {
+                       /* Unknown tool selected default to pen tool */
+                       wacom->tool[1] = BTN_TOOL_PEN;
+               }
+               wacom_report_key(wcombo, wacom->tool[1], prox);
+       }
+
+       wacom->tool[0] = prox; /* Save proximity state */
+       return 1;
+}
+
+static int wacom_ptu_irq(struct wacom_wac *wacom, void *wcombo)
+{
+       unsigned char *data = wacom->data;
+       int id;
+
+       if (data[0] != 2) {
+               printk(KERN_INFO "wacom_ptu_irq: received unknown report #%d\n", data[0]);
+               return 0;
+       }
+
+       if (data[1] & 0x04) {
+               wacom_report_key(wcombo, BTN_TOOL_RUBBER, data[1] & 0x20);
+               wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x08);
+               id = ERASER_DEVICE_ID;
+       } else {
+               wacom_report_key(wcombo, BTN_TOOL_PEN, data[1] & 0x20);
+               wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x01);
+               id = STYLUS_DEVICE_ID;
+       }
+       wacom_report_abs(wcombo, ABS_MISC, id); /* report tool id */
+       wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2]));
+       wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
+       wacom_report_abs(wcombo, ABS_PRESSURE, wacom_le16_to_cpu(&data[6]));
+       wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
+       wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10);
+       return 1;
+}
+
+static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
+{
+       unsigned char *data = wacom->data;
+       int x, y, id, rw;
+
+       if (data[0] != 2) {
+               dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
+               return 0;
+       }
+
+       id = STYLUS_DEVICE_ID;
+       if (data[1] & 0x10) { /* in prox */
+
+               switch ((data[1] >> 5) & 3) {
+
+                       case 0: /* Pen */
+                               wacom->tool[0] = BTN_TOOL_PEN;
+                               break;
+
+                       case 1: /* Rubber */
+                               wacom->tool[0] = BTN_TOOL_RUBBER;
+                               id = ERASER_DEVICE_ID;
+                               break;
+
+                       case 2: /* Mouse with wheel */
+                               wacom_report_key(wcombo, BTN_MIDDLE, data[1] & 0x04);
+                               if (wacom->features->type == WACOM_G4) {
+                                       rw = data[7] & 0x04 ? (data[7] & 0x03)-4 : (data[7] & 0x03);
+                                       wacom_report_rel(wcombo, REL_WHEEL, -rw);
+                               } else
+                                       wacom_report_rel(wcombo, REL_WHEEL, -(signed char) data[6]);
+                               /* fall through */
+
+                       case 3: /* Mouse without wheel */
+                               wacom->tool[0] = BTN_TOOL_MOUSE;
+                               id = CURSOR_DEVICE_ID;
+                               wacom_report_key(wcombo, BTN_LEFT, data[1] & 0x01);
+                               wacom_report_key(wcombo, BTN_RIGHT, data[1] & 0x02);
+                               if (wacom->features->type == WACOM_G4)
+                                       wacom_report_abs(wcombo, ABS_DISTANCE, data[6] & 0x3f);
+                               else
+                                       wacom_report_abs(wcombo, ABS_DISTANCE, data[7] & 0x3f);
+                               break;
+               }
+       }
+
+       if (data[1] & 0x90) {
+               x = wacom_le16_to_cpu(&data[2]);
+               y = wacom_le16_to_cpu(&data[4]);
+               wacom_report_abs(wcombo, ABS_X, x);
+               wacom_report_abs(wcombo, ABS_Y, y);
+               if (wacom->tool[0] != BTN_TOOL_MOUSE) {
+                       wacom_report_abs(wcombo, ABS_PRESSURE, data[6] | ((data[7] & 0x01) << 8));
+                       wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x01);
+                       wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
+                       wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x04);
+               }
+               wacom_report_abs(wcombo, ABS_MISC, id); /* report tool id */
+       }
+       else
+               wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */
+
+       if (data[1] & 0x10)  /* only report prox-in when in area */
+               wacom_report_key(wcombo, wacom->tool[0], 1);
+       if (!(data[1] & 0x90))  /* report prox-out when physically out */
+               wacom_report_key(wcombo, wacom->tool[0], 0);
+       wacom_input_sync(wcombo);
+
+       /* send pad data */
+       if (wacom->features->type == WACOM_G4) {
+               if ( (wacom->serial[1] & 0xc0) != (data[7] & 0xf8) ) {
+                       wacom->id[1] = 1;
+                       wacom->serial[1] = (data[7] & 0xf8);
+                       wacom_report_key(wcombo, BTN_0, (data[7] & 0x40));
+                       wacom_report_key(wcombo, BTN_4, (data[7] & 0x80));
+                       rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
+                       wacom_report_rel(wcombo, REL_WHEEL, rw);
+                       wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0);
+                       wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
+               } else if (wacom->id[1]) {
+                       wacom->id[1] = 0;
+                       wacom_report_key(wcombo, BTN_TOOL_FINGER, 0);
+                       wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
+               }
+       }
+       return 1;
+}
+
+static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
+{
+       unsigned char *data = wacom->data;
+       int idx;
+
+       /* tool number */
+       idx = data[1] & 0x01;
+
+       /* Enter report */
+       if ((data[1] & 0xfc) == 0xc0) {
+               /* serial number of the tool */
+               wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
+                       (data[4] << 20) + (data[5] << 12) +
+                       (data[6] << 4) + (data[7] >> 4);
+
+               wacom->id[idx] = (data[2] << 4) | (data[3] >> 4);
+               switch (wacom->id[idx]) {
+                       case 0x812: /* Inking pen */
+                       case 0x801: /* Intuos3 Inking pen */
+                       case 0x012:
+                               wacom->tool[idx] = BTN_TOOL_PENCIL;
+                               break;
+                       case 0x822: /* Pen */
+                       case 0x842:
+                       case 0x852:
+                       case 0x823: /* Intuos3 Grip Pen */
+                       case 0x813: /* Intuos3 Classic Pen */
+                       case 0x885: /* Intuos3 Marker Pen */
+                       case 0x022:
+                               wacom->tool[idx] = BTN_TOOL_PEN;
+                               break;
+                       case 0x832: /* Stroke pen */
+                       case 0x032:
+                               wacom->tool[idx] = BTN_TOOL_BRUSH;
+                               break;
+                       case 0x007: /* Mouse 4D and 2D */
+                       case 0x09c:
+                       case 0x094:
+                       case 0x017: /* Intuos3 2D Mouse */
+                               wacom->tool[idx] = BTN_TOOL_MOUSE;
+                               break;
+                       case 0x096: /* Lens cursor */
+                       case 0x097: /* Intuos3 Lens cursor */
+                               wacom->tool[idx] = BTN_TOOL_LENS;
+                               break;
+                       case 0x82a: /* Eraser */
+                       case 0x85a:
+                       case 0x91a:
+                       case 0xd1a:
+                       case 0x0fa:
+                       case 0x82b: /* Intuos3 Grip Pen Eraser */
+                       case 0x81b: /* Intuos3 Classic Pen Eraser */
+                       case 0x91b: /* Intuos3 Airbrush Eraser */
+                               wacom->tool[idx] = BTN_TOOL_RUBBER;
+                               break;
+                       case 0xd12:
+                       case 0x912:
+                       case 0x112:
+                       case 0x913: /* Intuos3 Airbrush */
+                               wacom->tool[idx] = BTN_TOOL_AIRBRUSH;
+                               break;
+                       default: /* Unknown tool */
+                               wacom->tool[idx] = BTN_TOOL_PEN;
+               }
+               /* only large I3 support Lens Cursor */
+               if(!((wacom->tool[idx] == BTN_TOOL_LENS)
+                                && ((wacom->features->type == INTUOS3)
+                                || (wacom->features->type == INTUOS3S)))) {
+                       wacom_report_abs(wcombo, ABS_MISC, wacom->id[idx]); /* report tool id */
+                       wacom_report_key(wcombo, wacom->tool[idx], 1);
+                       wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
+                       return 2;
+               }
+               return 1;
+       }
+
+       /* Exit report */
+       if ((data[1] & 0xfe) == 0x80) {
+               if(!((wacom->tool[idx] == BTN_TOOL_LENS)
+                                && ((wacom->features->type == INTUOS3)
+                                || (wacom->features->type == INTUOS3S)))) {
+                       wacom_report_key(wcombo, wacom->tool[idx], 0);
+                       wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */
+                       wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
+                       return 2;
+               }
+       }
+       return 0;
+}
+
+static void wacom_intuos_general(struct wacom_wac *wacom, void *wcombo)
+{
+       unsigned char *data = wacom->data;
+       unsigned int t;
+
+       /* general pen packet */
+       if ((data[1] & 0xb8) == 0xa0) {
+               t = (data[6] << 2) | ((data[7] >> 6) & 3);
+               wacom_report_abs(wcombo, ABS_PRESSURE, t);
+               wacom_report_abs(wcombo, ABS_TILT_X,
+                               ((data[7] << 1) & 0x7e) | (data[8] >> 7));
+               wacom_report_abs(wcombo, ABS_TILT_Y, data[8] & 0x7f);
+               wacom_report_key(wcombo, BTN_STYLUS, data[1] & 2);
+               wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 4);
+               wacom_report_key(wcombo, BTN_TOUCH, t > 10);
+       }
+
+       /* airbrush second packet */
+       if ((data[1] & 0xbc) == 0xb4) {
+               wacom_report_abs(wcombo, ABS_WHEEL,
+                               (data[6] << 2) | ((data[7] >> 6) & 3));
+               wacom_report_abs(wcombo, ABS_TILT_X,
+                               ((data[7] << 1) & 0x7e) | (data[8] >> 7));
+               wacom_report_abs(wcombo, ABS_TILT_Y, data[8] & 0x7f);
+       }
+       return;
+}
+
+static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
+{
+       unsigned char *data = wacom->data;
+       unsigned int t;
+       int idx, result;
+
+       if (data[0] != 2 && data[0] != 5 && data[0] != 6 && data[0] != 12) {
+               dbg("wacom_intuos_irq: received unknown report #%d", data[0]);
+                return 0;
+       }
+
+       /* tool number */
+       idx = data[1] & 0x01;
+
+       /* pad packets. Works as a second tool and is always in prox */
+       if (data[0] == 12) {
+               /* initiate the pad as a device */
+               if (wacom->tool[1] != BTN_TOOL_FINGER)
+                       wacom->tool[1] = BTN_TOOL_FINGER;
+
+               wacom_report_key(wcombo, BTN_0, (data[5] & 0x01));
+               wacom_report_key(wcombo, BTN_1, (data[5] & 0x02));
+               wacom_report_key(wcombo, BTN_2, (data[5] & 0x04));
+               wacom_report_key(wcombo, BTN_3, (data[5] & 0x08));
+               wacom_report_key(wcombo, BTN_4, (data[6] & 0x01));
+               wacom_report_key(wcombo, BTN_5, (data[6] & 0x02));
+               wacom_report_key(wcombo, BTN_6, (data[6] & 0x04));
+               wacom_report_key(wcombo, BTN_7, (data[6] & 0x08));
+               wacom_report_abs(wcombo, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
+               wacom_report_abs(wcombo, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
+
+               if((data[5] & 0x0f) | (data[6] & 0x0f) | (data[1] & 0x1f) |
+                       data[2] | (data[3] & 0x1f) | data[4])
+                       wacom_report_key(wcombo, wacom->tool[1], 1);
+               else
+                       wacom_report_key(wcombo, wacom->tool[1], 0);
+               wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xffffffff);
+                return 1;
+       }
+
+       /* process in/out prox events */
+       result = wacom_intuos_inout(wacom, wcombo);
+       if (result)
+                return result-1;
+
+       /* Cintiq doesn't send data when RDY bit isn't set */
+       if ((wacom->features->type == CINTIQ) && !(data[1] & 0x40))
+                 return 0;
+
+       if (wacom->features->type >= INTUOS3S) {
+               wacom_report_abs(wcombo, ABS_X, (data[2] << 9) | (data[3] << 1) | ((data[9] >> 1) & 1));
+               wacom_report_abs(wcombo, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1));
+               wacom_report_abs(wcombo, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
+       } else {
+               wacom_report_abs(wcombo, ABS_X, wacom_be16_to_cpu(&data[2]));
+               wacom_report_abs(wcombo, ABS_Y, wacom_be16_to_cpu(&data[4]));
+               wacom_report_abs(wcombo, ABS_DISTANCE, ((data[9] >> 3) & 0x1f));
+       }
+
+       /* process general packets */
+       wacom_intuos_general(wacom, wcombo);
+
+       /* 4D mouse, 2D mouse, marker pen rotation, or Lens cursor packets */
+       if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0) {
+
+               if (data[1] & 0x02) {
+                       /* Rotation packet */
+                       if (wacom->features->type >= INTUOS3S) {
+                               /* I3 marker pen rotation reported as wheel
+                                * due to valuator limitation
+                                */
+                               t = (data[6] << 3) | ((data[7] >> 5) & 7);
+                               t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
+                                       ((t-1) / 2 + 450)) : (450 - t / 2) ;
+                               wacom_report_abs(wcombo, ABS_WHEEL, t);
+                       } else {
+                               /* 4D mouse rotation packet */
+                               t = (data[6] << 3) | ((data[7] >> 5) & 7);
+                               wacom_report_abs(wcombo, ABS_RZ, (data[7] & 0x20) ?
+                                       ((t - 1) / 2) : -t / 2);
+                       }
+
+               } else if (!(data[1] & 0x10) && wacom->features->type < INTUOS3S) {
+                       /* 4D mouse packet */
+                       wacom_report_key(wcombo, BTN_LEFT,   data[8] & 0x01);
+                       wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x02);
+                       wacom_report_key(wcombo, BTN_RIGHT,  data[8] & 0x04);
+
+                       wacom_report_key(wcombo, BTN_SIDE,   data[8] & 0x20);
+                       wacom_report_key(wcombo, BTN_EXTRA,  data[8] & 0x10);
+                       t = (data[6] << 2) | ((data[7] >> 6) & 3);
+                       wacom_report_abs(wcombo, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
+
+               } else if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
+                       /* 2D mouse packet */
+                       wacom_report_key(wcombo, BTN_LEFT,   data[8] & 0x04);
+                       wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x08);
+                       wacom_report_key(wcombo, BTN_RIGHT,  data[8] & 0x10);
+                       wacom_report_rel(wcombo, REL_WHEEL, (data[8] & 0x01)
+                                                - ((data[8] & 0x02) >> 1));
+
+                       /* I3 2D mouse side buttons */
+                       if (wacom->features->type >= INTUOS3S && wacom->features->type <= INTUOS3L) {
+                               wacom_report_key(wcombo, BTN_SIDE,   data[8] & 0x40);
+                               wacom_report_key(wcombo, BTN_EXTRA,  data[8] & 0x20);
+                       }
+
+               } else if (wacom->features->type < INTUOS3S || wacom->features->type == INTUOS3L) {
+                       /* Lens cursor packets */
+                       wacom_report_key(wcombo, BTN_LEFT,   data[8] & 0x01);
+                       wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x02);
+                       wacom_report_key(wcombo, BTN_RIGHT,  data[8] & 0x04);
+                       wacom_report_key(wcombo, BTN_SIDE,   data[8] & 0x10);
+                       wacom_report_key(wcombo, BTN_EXTRA,  data[8] & 0x08);
+               }
+       }
+
+       wacom_report_abs(wcombo, ABS_MISC, wacom->id[idx]); /* report tool id */
+       wacom_report_key(wcombo, wacom->tool[idx], 1);
+       wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
+       return 1;
+}
+
+int wacom_wac_irq(struct wacom_wac *wacom_wac, void *wcombo)
+{
+       switch (wacom_wac->features->type) {
+               case PENPARTNER:
+                       return (wacom_penpartner_irq(wacom_wac, wcombo));
+                       break;
+               case PL:
+                       return (wacom_pl_irq(wacom_wac, wcombo));
+                       break;
+               case WACOM_G4:
+               case GRAPHIRE:
+                       return (wacom_graphire_irq(wacom_wac, wcombo));
+                       break;
+               case PTU:
+                       return (wacom_ptu_irq(wacom_wac, wcombo));
+                       break;
+               case INTUOS:
+               case INTUOS3S:
+               case INTUOS3:
+               case INTUOS3L:
+               case CINTIQ:
+                       return (wacom_intuos_irq(wacom_wac, wcombo));
+                       break;
+               default:
+                       return 0;
+       }
+       return 0;
+}
+
+void wacom_init_input_dev(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
+{
+       switch (wacom_wac->features->type) {
+               case WACOM_G4:
+                       input_dev_g4(input_dev, wacom_wac);
+                       /* fall through */
+               case GRAPHIRE:
+                       input_dev_g(input_dev, wacom_wac);
+                       break;
+               case INTUOS3:
+               case INTUOS3L:
+               case CINTIQ:
+                       input_dev_i3(input_dev, wacom_wac);
+                       /* fall through */
+               case INTUOS3S:
+                       input_dev_i3s(input_dev, wacom_wac);
+               case INTUOS:
+                       input_dev_i(input_dev, wacom_wac);
+                       break;
+               case PL:
+               case PTU:
+                       input_dev_pl(input_dev, wacom_wac);
+                       break;
+               case PENPARTNER:
+                       input_dev_pt(input_dev, wacom_wac);
+                       break;
+       }
+       return;
+}
+
+static struct wacom_features wacom_features[] = {
+       { "Wacom Penpartner",    7,   5040,  3780,  255,  0, PENPARTNER },
+        { "Wacom Graphire",      8,  10206,  7422,  511, 63, GRAPHIRE },
+       { "Wacom Graphire2 4x5", 8,  10206,  7422,  511, 63, GRAPHIRE },
+       { "Wacom Graphire2 5x7", 8,  13918, 10206,  511, 63, GRAPHIRE },
+       { "Wacom Graphire3",     8,  10208,  7424,  511, 63, GRAPHIRE },
+       { "Wacom Graphire3 6x8", 8,  16704, 12064,  511, 63, GRAPHIRE },
+       { "Wacom Graphire4 4x5", 8,  10208,  7424,  511, 63, WACOM_G4 },
+       { "Wacom Graphire4 6x8", 8,  16704, 12064,  511, 63, WACOM_G4 },
+       { "Wacom Volito",        8,   5104,  3712,  511, 63, GRAPHIRE },
+       { "Wacom PenStation2",   8,   3250,  2320,  255, 63, GRAPHIRE },
+       { "Wacom Volito2 4x5",   8,   5104,  3712,  511, 63, GRAPHIRE },
+       { "Wacom Volito2 2x3",   8,   3248,  2320,  511, 63, GRAPHIRE },
+       { "Wacom PenPartner2",   8,   3250,  2320,  255, 63, GRAPHIRE },
+       { "Wacom Intuos 4x5",   10,  12700, 10600, 1023, 63, INTUOS },
+       { "Wacom Intuos 6x8",   10,  20320, 16240, 1023, 63, INTUOS },
+       { "Wacom Intuos 9x12",  10,  30480, 24060, 1023, 63, INTUOS },
+       { "Wacom Intuos 12x12", 10,  30480, 31680, 1023, 63, INTUOS },
+       { "Wacom Intuos 12x18", 10,  45720, 31680, 1023, 63, INTUOS },
+       { "Wacom PL400",         8,   5408,  4056,  255,  0, PL },
+       { "Wacom PL500",         8,   6144,  4608,  255,  0, PL },
+       { "Wacom PL600",         8,   6126,  4604,  255,  0, PL },
+       { "Wacom PL600SX",       8,   6260,  5016,  255,  0, PL },
+       { "Wacom PL550",         8,   6144,  4608,  511,  0, PL },
+       { "Wacom PL800",         8,   7220,  5780,  511,  0, PL },
+       { "Wacom PL700",         8,   6758,  5406,  511,  0, PL },
+       { "Wacom PL510",         8,   6282,  4762,  511,  0, PL },
+       { "Wacom DTU710",        8,  34080, 27660,  511,  0, PL },
+       { "Wacom DTF521",        8,   6282,  4762,  511,  0, PL },
+       { "Wacom DTF720",        8,   6858,  5506,  511,  0, PL },
+       { "Wacom Cintiq Partner",8,  20480, 15360,  511,  0, PTU },
+       { "Wacom Intuos2 4x5",   10, 12700, 10600, 1023, 63, INTUOS },
+       { "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 63, INTUOS },
+       { "Wacom Intuos2 9x12",  10, 30480, 24060, 1023, 63, INTUOS },
+       { "Wacom Intuos2 12x12", 10, 30480, 31680, 1023, 63, INTUOS },
+       { "Wacom Intuos2 12x18", 10, 45720, 31680, 1023, 63, INTUOS },
+       { "Wacom Intuos3 4x5",   10, 25400, 20320, 1023, 63, INTUOS3S },
+       { "Wacom Intuos3 6x8",   10, 40640, 30480, 1023, 63, INTUOS3 },
+       { "Wacom Intuos3 9x12",  10, 60960, 45720, 1023, 63, INTUOS3 },
+       { "Wacom Intuos3 12x12", 10, 60960, 60960, 1023, 63, INTUOS3L },
+       { "Wacom Intuos3 12x19", 10, 97536, 60960, 1023, 63, INTUOS3L },
+       { "Wacom Intuos3 6x11",  10, 54204, 31750, 1023, 63, INTUOS3 },
+       { "Wacom Intuos3 4x6",   10, 31496, 19685, 1023, 63, INTUOS3S },
+       { "Wacom Cintiq 21UX",   10, 87200, 65600, 1023, 63, CINTIQ },
+       { "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 63, INTUOS },
+       { }
+};
+
+static struct usb_device_id wacom_ids[] = {
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x00) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x10) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x11) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x12) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x13) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x14) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x15) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x16) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x60) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x61) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x62) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x63) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x64) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x20) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x21) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x22) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x23) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x24) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x30) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x31) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x32) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x33) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x34) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x35) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x37) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x38) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x39) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC0) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC4) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x03) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x41) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x42) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x43) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x44) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x45) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB0) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB1) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB2) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB3) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB4) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB5) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB7) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x3F) },
+       { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x47) },
+       { }
+};
+
+const struct usb_device_id * get_device_table(void) {
+        const struct usb_device_id * id_table = wacom_ids;
+        return id_table;
+}
+
+struct wacom_features * get_wacom_feature(const struct usb_device_id * id) {
+        int index = id - wacom_ids;
+        struct wacom_features *wf = &wacom_features[index];
+        return wf;
+}
+
+MODULE_DEVICE_TABLE(usb, wacom_ids);