/*
 * drivers/input/tablet/wacom_wac.c
 *
 *  USB Wacom 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_wac.h"
#include "wacom.h"
#include <linux/input/mt.h>
#include <linux/hid.h>

/* resolution for penabled devices */
#define WACOM_PL_RES            20
#define WACOM_PENPRTN_RES       40
#define WACOM_VOLITO_RES        50
#define WACOM_GRAPHIRE_RES      80
#define WACOM_INTUOS_RES        100
#define WACOM_INTUOS3_RES       200

/* Scale factor relating reported contact size to logical contact area.
 * 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo
 */
#define WACOM_CONTACT_AREA_SCALE 2607

static int wacom_penpartner_irq(struct wacom_wac *wacom)
{
        unsigned char *data = wacom->data;
        struct input_dev *input = wacom->input;

        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;
                        input_report_key(input, wacom->tool[0], 1);
                        input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
                        input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
                        input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
                        input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
                        input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
                        input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
                } else {
                        input_report_key(input, wacom->tool[0], 0);
                        input_report_abs(input, ABS_MISC, 0); /* report tool id */
                        input_report_abs(input, ABS_PRESSURE, -1);
                        input_report_key(input, BTN_TOUCH, 0);
                }
                break;

        case 2:
                input_report_key(input, BTN_TOOL_PEN, 1);
                input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
                input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
                input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
                input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
                input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
                input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
                break;

        default:
                dev_dbg(input->dev.parent,
                        "%s: received unknown report #%d\n", __func__, data[0]);
                return 0;
        }

        return 1;
}

static int wacom_pl_irq(struct wacom_wac *wacom)
{
        struct wacom_features *features = &wacom->features;
        unsigned char *data = wacom->data;
        struct input_dev *input = wacom->input;
        int prox, pressure;

        if (data[0] != WACOM_REPORT_PENABLED) {
                dev_dbg(input->dev.parent,
                        "%s: received unknown report #%d\n", __func__, data[0]);
                return 0;
        }

        prox = data[1] & 0x40;

        if (prox) {
                wacom->id[0] = ERASER_DEVICE_ID;
                pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
                if (features->pressure_max > 255)
                        pressure = (pressure << 1) | ((data[4] >> 6) & 1);
                pressure += (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 */
                                input_report_key(input, wacom->tool[1], 0);
                                input_sync(input);
                                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;
                        wacom->id[0] = STYLUS_DEVICE_ID;
                }
                input_report_key(input, wacom->tool[1], prox); /* report in proximity for tool */
                input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
                input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
                input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
                input_report_abs(input, ABS_PRESSURE, pressure);

                input_report_key(input, BTN_TOUCH, data[4] & 0x08);
                input_report_key(input, BTN_STYLUS, data[4] & 0x10);
                /* Only allow the stylus2 button to be reported for the pen tool. */
                input_report_key(input, 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;
                }
                input_report_key(input, wacom->tool[1], prox);
        }

        wacom->tool[0] = prox; /* Save proximity state */
        return 1;
}

static int wacom_ptu_irq(struct wacom_wac *wacom)
{
        unsigned char *data = wacom->data;
        struct input_dev *input = wacom->input;

        if (data[0] != WACOM_REPORT_PENABLED) {
                dev_dbg(input->dev.parent,
                        "%s: received unknown report #%d\n", __func__, data[0]);
                return 0;
        }

        if (data[1] & 0x04) {
                input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
                input_report_key(input, BTN_TOUCH, data[1] & 0x08);
                wacom->id[0] = ERASER_DEVICE_ID;
        } else {
                input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
                input_report_key(input, BTN_TOUCH, data[1] & 0x01);
                wacom->id[0] = STYLUS_DEVICE_ID;
        }
        input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
        input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
        input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
        input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
        input_report_key(input, BTN_STYLUS, data[1] & 0x02);
        input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
        return 1;
}

static int wacom_dtu_irq(struct wacom_wac *wacom)
{
        struct wacom_features *features = &wacom->features;
        char *data = wacom->data;
        struct input_dev *input = wacom->input;
        int prox = data[1] & 0x20, pressure;

        dev_dbg(input->dev.parent,
                "%s: received report #%d", __func__, data[0]);

        if (prox) {
                /* Going into proximity select tool */
                wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
                if (wacom->tool[0] == BTN_TOOL_PEN)
                        wacom->id[0] = STYLUS_DEVICE_ID;
                else
                        wacom->id[0] = ERASER_DEVICE_ID;
        }
        input_report_key(input, BTN_STYLUS, data[1] & 0x02);
        input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
        input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
        input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
        pressure = ((data[7] & 0x01) << 8) | data[6];
        if (pressure < 0)
                pressure = features->pressure_max + pressure + 1;
        input_report_abs(input, ABS_PRESSURE, pressure);
        input_report_key(input, BTN_TOUCH, data[1] & 0x05);
        if (!prox) /* out-prox */
                wacom->id[0] = 0;
        input_report_key(input, wacom->tool[0], prox);
        input_report_abs(input, ABS_MISC, wacom->id[0]);
        return 1;
}

static int wacom_dtus_irq(struct wacom_wac *wacom)
{
        char *data = wacom->data;
        struct input_dev *input = wacom->input;
        unsigned short prox, pressure = 0;

        if (data[0] != WACOM_REPORT_DTUS && data[0] != WACOM_REPORT_DTUSPAD) {
                dev_dbg(input->dev.parent,
                        "%s: received unknown report #%d", __func__, data[0]);
                return 0;
        } else if (data[0] == WACOM_REPORT_DTUSPAD) {
                input_report_key(input, BTN_0, (data[1] & 0x01));
                input_report_key(input, BTN_1, (data[1] & 0x02));
                input_report_key(input, BTN_2, (data[1] & 0x04));
                input_report_key(input, BTN_3, (data[1] & 0x08));
                input_report_abs(input, ABS_MISC,
                                 data[1] & 0x0f ? PAD_DEVICE_ID : 0);
                /*
                 * Serial number is required when expresskeys are
                 * reported through pen interface.
                 */
                input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
                return 1;
        } else {
                prox = data[1] & 0x80;
                if (prox) {
                        switch ((data[1] >> 3) & 3) {
                        case 1: /* Rubber */
                                wacom->tool[0] = BTN_TOOL_RUBBER;
                                wacom->id[0] = ERASER_DEVICE_ID;
                                break;

                        case 2: /* Pen */
                                wacom->tool[0] = BTN_TOOL_PEN;
                                wacom->id[0] = STYLUS_DEVICE_ID;
                                break;
                        }
                }

                input_report_key(input, BTN_STYLUS, data[1] & 0x20);
                input_report_key(input, BTN_STYLUS2, data[1] & 0x40);
                input_report_abs(input, ABS_X, get_unaligned_be16(&data[3]));
                input_report_abs(input, ABS_Y, get_unaligned_be16(&data[5]));
                pressure = ((data[1] & 0x03) << 8) | (data[2] & 0xff);
                input_report_abs(input, ABS_PRESSURE, pressure);
                input_report_key(input, BTN_TOUCH, pressure > 10);

                if (!prox) /* out-prox */
                        wacom->id[0] = 0;
                input_report_key(input, wacom->tool[0], prox);
                input_report_abs(input, ABS_MISC, wacom->id[0]);
                input_event(input, EV_MSC, MSC_SERIAL, 1);
                return 1;
        }
}

static int wacom_graphire_irq(struct wacom_wac *wacom)
{
        struct wacom_features *features = &wacom->features;
        unsigned char *data = wacom->data;
        struct input_dev *input = wacom->input;
        int prox;
        int rw = 0;
        int retval = 0;

        if (data[0] != WACOM_REPORT_PENABLED) {
                dev_dbg(input->dev.parent,
                        "%s: received unknown report #%d\n", __func__, data[0]);
                goto exit;
        }

        prox = data[1] & 0x80;
        if (prox || wacom->id[0]) {
                if (prox) {
                        switch ((data[1] >> 5) & 3) {

                        case 0: /* Pen */
                                wacom->tool[0] = BTN_TOOL_PEN;
                                wacom->id[0] = STYLUS_DEVICE_ID;
                                break;

                        case 1: /* Rubber */
                                wacom->tool[0] = BTN_TOOL_RUBBER;
                                wacom->id[0] = ERASER_DEVICE_ID;
                                break;

                        case 2: /* Mouse with wheel */
                                input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
                                /* fall through */

                        case 3: /* Mouse without wheel */
                                wacom->tool[0] = BTN_TOOL_MOUSE;
                                wacom->id[0] = CURSOR_DEVICE_ID;
                                break;
                        }
                }
                input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
                input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
                if (wacom->tool[0] != BTN_TOOL_MOUSE) {
                        input_report_abs(input, ABS_PRESSURE, data[6] | ((data[7] & 0x03) << 8));
                        input_report_key(input, BTN_TOUCH, data[1] & 0x01);
                        input_report_key(input, BTN_STYLUS, data[1] & 0x02);
                        input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
                } else {
                        input_report_key(input, BTN_LEFT, data[1] & 0x01);
                        input_report_key(input, BTN_RIGHT, data[1] & 0x02);
                        if (features->type == WACOM_G4 ||
                                        features->type == WACOM_MO) {
                                input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
                                rw = (data[7] & 0x04) - (data[7] & 0x03);
                        } else {
                                input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
                                rw = -(signed char)data[6];
                        }
                        input_report_rel(input, REL_WHEEL, rw);
                }

                if (!prox)
                        wacom->id[0] = 0;
                input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
                input_report_key(input, wacom->tool[0], prox);
                input_event(input, EV_MSC, MSC_SERIAL, 1);
                input_sync(input); /* sync last event */
        }

        /* send pad data */
        switch (features->type) {
        case WACOM_G4:
                prox = data[7] & 0xf8;
                if (prox || wacom->id[1]) {
                        wacom->id[1] = PAD_DEVICE_ID;
                        input_report_key(input, BTN_BACK, (data[7] & 0x40));
                        input_report_key(input, BTN_FORWARD, (data[7] & 0x80));
                        rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
                        input_report_rel(input, REL_WHEEL, rw);
                        if (!prox)
                                wacom->id[1] = 0;
                        input_report_abs(input, ABS_MISC, wacom->id[1]);
                        input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
                        retval = 1;
                }
                break;

        case WACOM_MO:
                prox = (data[7] & 0xf8) || data[8];
                if (prox || wacom->id[1]) {
                        wacom->id[1] = PAD_DEVICE_ID;
                        input_report_key(input, BTN_BACK, (data[7] & 0x08));
                        input_report_key(input, BTN_LEFT, (data[7] & 0x20));
                        input_report_key(input, BTN_FORWARD, (data[7] & 0x10));
                        input_report_key(input, BTN_RIGHT, (data[7] & 0x40));
                        input_report_abs(input, ABS_WHEEL, (data[8] & 0x7f));
                        if (!prox)
                                wacom->id[1] = 0;
                        input_report_abs(input, ABS_MISC, wacom->id[1]);
                        input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
                        retval = 1;
                }
                break;
        }
exit:
        return retval;
}

static int wacom_intuos_inout(struct wacom_wac *wacom)
{
        struct wacom_features *features = &wacom->features;
        unsigned char *data = wacom->data;
        struct input_dev *input = wacom->input;
        int idx = 0;

        /* tool number */
        if (features->type == INTUOS)
                idx = data[1] & 0x01;

        /* Enter report */
        if ((data[1] & 0xfc) == 0xc0) {
                if (features->quirks & WACOM_QUIRK_MULTI_INPUT)
                        wacom->shared->stylus_in_proximity = true;

                /* 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) |
                        ((data[7] & 0x0f) << 20) | ((data[8] & 0xf0) << 12);

                switch (wacom->id[idx]) {
                case 0x812: /* Inking pen */
                case 0x801: /* Intuos3 Inking pen */
                case 0x120802: /* Intuos4/5 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 0x802: /* Intuos4/5 13HD/24HD General Pen */
                case 0x804: /* Intuos4/5 13HD/24HD Marker Pen */
                case 0x022:
                case 0x100804: /* Intuos4/5 13HD/24HD Art Pen */
                case 0x140802: /* Intuos4/5 13HD/24HD Classic Pen */
                case 0x160802: /* Cintiq 13HD Pro Pen */
                case 0x180802: /* DTH2242 Pen */
                case 0x100802: /* Intuos4/5 13HD/24HD General Pen */
                        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 */
                case 0x806: /* Intuos4 Mouse */
                        wacom->tool[idx] = BTN_TOOL_MOUSE;
                        break;

                case 0x096: /* Lens cursor */
                case 0x097: /* Intuos3 Lens cursor */
                case 0x006: /* Intuos4 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 */
                case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
                case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
                case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
                case 0x14080a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
                case 0x10090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
                case 0x10080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
                case 0x16080a: /* Cintiq 13HD Pro Pen Eraser */
                case 0x18080a: /* DTH2242 Eraser */
                case 0x10080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
                        wacom->tool[idx] = BTN_TOOL_RUBBER;
                        break;

                case 0xd12:
                case 0x912:
                case 0x112:
                case 0x913: /* Intuos3 Airbrush */
                case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
                case 0x100902: /* Intuos4/5 13HD/24HD Airbrush */
                        wacom->tool[idx] = BTN_TOOL_AIRBRUSH;
                        break;

                default: /* Unknown tool */
                        wacom->tool[idx] = BTN_TOOL_PEN;
                        break;
                }
                return 1;
        }

        /* older I4 styli don't work with new Cintiqs */
        if (!((wacom->id[idx] >> 20) & 0x01) &&
                        (features->type == WACOM_21UX2))
                return 1;

        /* Range Report */
        if ((data[1] & 0xfe) == 0x20) {
                input_report_key(input, BTN_TOUCH, 0);
                input_report_abs(input, ABS_PRESSURE, 0);
                input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
        }

        /* Exit report */
        if ((data[1] & 0xfe) == 0x80) {
                if (features->quirks & WACOM_QUIRK_MULTI_INPUT)
                        wacom->shared->stylus_in_proximity = false;

                /*
                 * Reset all states otherwise we lose the initial states
                 * when in-prox next time
                 */
                input_report_abs(input, ABS_X, 0);
                input_report_abs(input, ABS_Y, 0);
                input_report_abs(input, ABS_DISTANCE, 0);
                input_report_abs(input, ABS_TILT_X, 0);
                input_report_abs(input, ABS_TILT_Y, 0);
                if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
                        input_report_key(input, BTN_LEFT, 0);
                        input_report_key(input, BTN_MIDDLE, 0);
                        input_report_key(input, BTN_RIGHT, 0);
                        input_report_key(input, BTN_SIDE, 0);
                        input_report_key(input, BTN_EXTRA, 0);
                        input_report_abs(input, ABS_THROTTLE, 0);
                        input_report_abs(input, ABS_RZ, 0);
                } else {
                        input_report_abs(input, ABS_PRESSURE, 0);
                        input_report_key(input, BTN_STYLUS, 0);
                        input_report_key(input, BTN_STYLUS2, 0);
                        input_report_key(input, BTN_TOUCH, 0);
                        input_report_abs(input, ABS_WHEEL, 0);
                        if (features->type >= INTUOS3S)
                                input_report_abs(input, ABS_Z, 0);
                }
                input_report_key(input, wacom->tool[idx], 0);
                input_report_abs(input, ABS_MISC, 0); /* reset tool id */
                input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
                wacom->id[idx] = 0;
                return 2;
        }
        return 0;
}

static void wacom_intuos_general(struct wacom_wac *wacom)
{
        struct wacom_features *features = &wacom->features;
        unsigned char *data = wacom->data;
        struct input_dev *input = wacom->input;
        unsigned int t;

        /* general pen packet */
        if ((data[1] & 0xb8) == 0xa0) {
                t = (data[6] << 2) | ((data[7] >> 6) & 3);
                if (features->type >= INTUOS4S && features->type <= CINTIQ_HYBRID) {
                        t = (t << 1) | (data[1] & 1);
                }
                input_report_abs(input, ABS_PRESSURE, t);
                input_report_abs(input, ABS_TILT_X,
                                ((data[7] << 1) & 0x7e) | (data[8] >> 7));
                input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
                input_report_key(input, BTN_STYLUS, data[1] & 2);
                input_report_key(input, BTN_STYLUS2, data[1] & 4);
                input_report_key(input, BTN_TOUCH, t > 10);
        }

        /* airbrush second packet */
        if ((data[1] & 0xbc) == 0xb4) {
                input_report_abs(input, ABS_WHEEL,
                                (data[6] << 2) | ((data[7] >> 6) & 3));
                input_report_abs(input, ABS_TILT_X,
                                ((data[7] << 1) & 0x7e) | (data[8] >> 7));
                input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
        }
}

static int wacom_intuos_irq(struct wacom_wac *wacom)
{
        struct wacom_features *features = &wacom->features;
        unsigned char *data = wacom->data;
        struct input_dev *input = wacom->input;
        unsigned int t;
        int idx = 0, result;

        if (data[0] != WACOM_REPORT_PENABLED &&
            data[0] != WACOM_REPORT_INTUOSREAD &&
            data[0] != WACOM_REPORT_INTUOSWRITE &&
            data[0] != WACOM_REPORT_INTUOSPAD &&
            data[0] != WACOM_REPORT_INTUOS5PAD) {
                dev_dbg(input->dev.parent,
                        "%s: received unknown report #%d\n", __func__, data[0]);
                return 0;
        }

        /* tool number */
        if (features->type == INTUOS)
                idx = data[1] & 0x01;

        /* pad packets. Works as a second tool and is always in prox */
        if (data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD) {
                if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
                        input_report_key(input, BTN_0, (data[2] & 0x01));
                        input_report_key(input, BTN_1, (data[3] & 0x01));
                        input_report_key(input, BTN_2, (data[3] & 0x02));
                        input_report_key(input, BTN_3, (data[3] & 0x04));
                        input_report_key(input, BTN_4, (data[3] & 0x08));
                        input_report_key(input, BTN_5, (data[3] & 0x10));
                        input_report_key(input, BTN_6, (data[3] & 0x20));
                        if (data[1] & 0x80) {
                                input_report_abs(input, ABS_WHEEL, (data[1] & 0x7f));
                        } else {
                                /* Out of proximity, clear wheel value. */
                                input_report_abs(input, ABS_WHEEL, 0);
                        }
                        if (features->type != INTUOS4S) {
                                input_report_key(input, BTN_7, (data[3] & 0x40));
                                input_report_key(input, BTN_8, (data[3] & 0x80));
                        }
                        if (data[1] | (data[2] & 0x01) | data[3]) {
                                input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
                        } else {
                                input_report_abs(input, ABS_MISC, 0);
                        }
                } else if (features->type == DTK) {
                        input_report_key(input, BTN_0, (data[6] & 0x01));
                        input_report_key(input, BTN_1, (data[6] & 0x02));
                        input_report_key(input, BTN_2, (data[6] & 0x04));
                        input_report_key(input, BTN_3, (data[6] & 0x08));
                        input_report_key(input, BTN_4, (data[6] & 0x10));
                        input_report_key(input, BTN_5, (data[6] & 0x20));
                        if (data[6] & 0x3f) {
                                input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
                        } else {
                                input_report_abs(input, ABS_MISC, 0);
                        }
                } else if (features->type == WACOM_13HD) {
                        input_report_key(input, BTN_0, (data[3] & 0x01));
                        input_report_key(input, BTN_1, (data[4] & 0x01));
                        input_report_key(input, BTN_2, (data[4] & 0x02));
                        input_report_key(input, BTN_3, (data[4] & 0x04));
                        input_report_key(input, BTN_4, (data[4] & 0x08));
                        input_report_key(input, BTN_5, (data[4] & 0x10));
                        input_report_key(input, BTN_6, (data[4] & 0x20));
                        input_report_key(input, BTN_7, (data[4] & 0x40));
                        input_report_key(input, BTN_8, (data[4] & 0x80));
                        if ((data[3] & 0x01) | data[4]) {
                                input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
                        } else {
                                input_report_abs(input, ABS_MISC, 0);
                        }
                } else if (features->type == WACOM_24HD) {
                        input_report_key(input, BTN_0, (data[6] & 0x01));
                        input_report_key(input, BTN_1, (data[6] & 0x02));
                        input_report_key(input, BTN_2, (data[6] & 0x04));
                        input_report_key(input, BTN_3, (data[6] & 0x08));
                        input_report_key(input, BTN_4, (data[6] & 0x10));
                        input_report_key(input, BTN_5, (data[6] & 0x20));
                        input_report_key(input, BTN_6, (data[6] & 0x40));
                        input_report_key(input, BTN_7, (data[6] & 0x80));
                        input_report_key(input, BTN_8, (data[8] & 0x01));
                        input_report_key(input, BTN_9, (data[8] & 0x02));
                        input_report_key(input, BTN_A, (data[8] & 0x04));
                        input_report_key(input, BTN_B, (data[8] & 0x08));
                        input_report_key(input, BTN_C, (data[8] & 0x10));
                        input_report_key(input, BTN_X, (data[8] & 0x20));
                        input_report_key(input, BTN_Y, (data[8] & 0x40));
                        input_report_key(input, BTN_Z, (data[8] & 0x80));

                        /*
                         * Three "buttons" are available on the 24HD which are
                         * physically implemented as a touchstrip. Each button
                         * is approximately 3 bits wide with a 2 bit spacing.
                         * The raw touchstrip bits are stored at:
                         *    ((data[3] & 0x1f) << 8) | data[4])
                         */
                        input_report_key(input, KEY_PROG1, data[4] & 0x07);
                        input_report_key(input, KEY_PROG2, data[4] & 0xE0);
                        input_report_key(input, KEY_PROG3, data[3] & 0x1C);

                        if (data[1] & 0x80) {
                                input_report_abs(input, ABS_WHEEL, (data[1] & 0x7f));
                        } else {
                                /* Out of proximity, clear wheel value. */
                                input_report_abs(input, ABS_WHEEL, 0);
                        }

                        if (data[2] & 0x80) {
                                input_report_abs(input, ABS_THROTTLE, (data[2] & 0x7f));
                        } else {
                                /* Out of proximity, clear second wheel value. */
                                input_report_abs(input, ABS_THROTTLE, 0);
                        }

                        if (data[1] | data[2] | (data[3] & 0x1f) | data[4] | data[6] | data[8]) {
                                input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
                        } else {
                                input_report_abs(input, ABS_MISC, 0);
                        }
                } else if (features->type == CINTIQ_HYBRID) {
                        /*
                         * Do not send hardware buttons under Android. They
                         * are already sent to the system through GPIO (and
                         * have different meaning).
                         */
                        input_report_key(input, BTN_1, (data[4] & 0x01));
                        input_report_key(input, BTN_2, (data[4] & 0x02));
                        input_report_key(input, BTN_3, (data[4] & 0x04));
                        input_report_key(input, BTN_4, (data[4] & 0x08));

                        input_report_key(input, BTN_5, (data[4] & 0x10));  /* Right  */
                        input_report_key(input, BTN_6, (data[4] & 0x20));  /* Up     */
                        input_report_key(input, BTN_7, (data[4] & 0x40));  /* Left   */
                        input_report_key(input, BTN_8, (data[4] & 0x80));  /* Down   */
                        input_report_key(input, BTN_0, (data[3] & 0x01));  /* Center */
                } else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
                        int i;

                        /* Touch ring mode switch has no capacitive sensor */
                        input_report_key(input, BTN_0, (data[3] & 0x01));

                        /*
                         * ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in
                         * addition to the mechanical switch. Switch data is
                         * stored in data[4], capacitive data in data[5].
                         */
                        for (i = 0; i < 8; i++)
                                input_report_key(input, BTN_1 + i, data[4] & (1 << i));

                        if (data[2] & 0x80) {
                                input_report_abs(input, ABS_WHEEL, (data[2] & 0x7f));
                        } else {
                                /* Out of proximity, clear wheel value. */
                                input_report_abs(input, ABS_WHEEL, 0);
                        }

                        if (data[2] | (data[3] & 0x01) | data[4] | data[5]) {
                                input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
                        } else {
                                input_report_abs(input, ABS_MISC, 0);
                        }
                } else {
                        if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
                                input_report_key(input, BTN_0, (data[5] & 0x01));
                                input_report_key(input, BTN_1, (data[6] & 0x01));
                                input_report_key(input, BTN_2, (data[6] & 0x02));
                                input_report_key(input, BTN_3, (data[6] & 0x04));
                                input_report_key(input, BTN_4, (data[6] & 0x08));
                                input_report_key(input, BTN_5, (data[6] & 0x10));
                                input_report_key(input, BTN_6, (data[6] & 0x20));
                                input_report_key(input, BTN_7, (data[6] & 0x40));
                                input_report_key(input, BTN_8, (data[6] & 0x80));
                                input_report_key(input, BTN_9, (data[7] & 0x01));
                                input_report_key(input, BTN_A, (data[8] & 0x01));
                                input_report_key(input, BTN_B, (data[8] & 0x02));
                                input_report_key(input, BTN_C, (data[8] & 0x04));
                                input_report_key(input, BTN_X, (data[8] & 0x08));
                                input_report_key(input, BTN_Y, (data[8] & 0x10));
                                input_report_key(input, BTN_Z, (data[8] & 0x20));
                                input_report_key(input, BTN_BASE, (data[8] & 0x40));
                                input_report_key(input, BTN_BASE2, (data[8] & 0x80));

                                if (features->type == WACOM_22HD) {
                                        input_report_key(input, KEY_PROG1, data[9] & 0x01);
                                        input_report_key(input, KEY_PROG2, data[9] & 0x02);
                                        input_report_key(input, KEY_PROG3, data[9] & 0x04);
                                }
                        } else {
                                input_report_key(input, BTN_0, (data[5] & 0x01));
                                input_report_key(input, BTN_1, (data[5] & 0x02));
                                input_report_key(input, BTN_2, (data[5] & 0x04));
                                input_report_key(input, BTN_3, (data[5] & 0x08));
                                input_report_key(input, BTN_4, (data[6] & 0x01));
                                input_report_key(input, BTN_5, (data[6] & 0x02));
                                input_report_key(input, BTN_6, (data[6] & 0x04));
                                input_report_key(input, BTN_7, (data[6] & 0x08));
                                input_report_key(input, BTN_8, (data[5] & 0x10));
                                input_report_key(input, BTN_9, (data[6] & 0x10));
                        }
                        input_report_abs(input, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
                        input_report_abs(input, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);

                        if ((data[5] & 0x1f) | data[6] | (data[1] & 0x1f) |
                                data[2] | (data[3] & 0x1f) | data[4] | data[8] |
                                (data[7] & 0x01)) {
                                input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
                        } else {
                                input_report_abs(input, ABS_MISC, 0);
                        }
                }
                input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
                return 1;
        }

        /* process in/out prox events */
        result = wacom_intuos_inout(wacom);
        if (result)
                return result - 1;

        /* don't proceed if we don't know the ID */
        if (!wacom->id[idx])
                return 0;

        /* Only large Intuos support Lense Cursor */
        if (wacom->tool[idx] == BTN_TOOL_LENS &&
            (features->type == INTUOS3 ||
             features->type == INTUOS3S ||
             features->type == INTUOS4 ||
             features->type == INTUOS4S ||
             features->type == INTUOS5 ||
             features->type == INTUOS5S ||
             features->type == INTUOSPM ||
             features->type == INTUOSPS)) {

                return 0;
        }

        /* Cintiq doesn't send data when RDY bit isn't set */
        if (features->type == CINTIQ && !(data[1] & 0x40))
                 return 0;

        if (features->type >= INTUOS3S) {
                input_report_abs(input, ABS_X, (data[2] << 9) | (data[3] << 1) | ((data[9] >> 1) & 1));
                input_report_abs(input, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1));
                input_report_abs(input, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
        } else {
                input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[2]));
                input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[4]));
                input_report_abs(input, ABS_DISTANCE, ((data[9] >> 3) & 0x1f));
        }

        /* process general packets */
        wacom_intuos_general(wacom);

        /* 4D mouse, 2D mouse, marker pen rotation, tilt mouse, or Lens cursor packets */
        if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0 || (data[1] & 0xbc) == 0xac) {

                if (data[1] & 0x02) {
                        /* Rotation packet */
                        if (features->type >= INTUOS3S) {
                                /* I3 marker pen rotation */
                                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) ;
                                input_report_abs(input, ABS_Z, t);
                        } else {
                                /* 4D mouse rotation packet */
                                t = (data[6] << 3) | ((data[7] >> 5) & 7);
                                input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
                                        ((t - 1) / 2) : -t / 2);
                        }

                } else if (!(data[1] & 0x10) && features->type < INTUOS3S) {
                        /* 4D mouse packet */
                        input_report_key(input, BTN_LEFT,   data[8] & 0x01);
                        input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
                        input_report_key(input, BTN_RIGHT,  data[8] & 0x04);

                        input_report_key(input, BTN_SIDE,   data[8] & 0x20);
                        input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
                        t = (data[6] << 2) | ((data[7] >> 6) & 3);
                        input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);

                } else if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
                        /* I4 mouse */
                        if (features->type >= INTUOS4S && features->type <= INTUOSPL) {
                                input_report_key(input, BTN_LEFT,   data[6] & 0x01);
                                input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
                                input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
                                input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
                                                 - ((data[7] & 0x40) >> 6));
                                input_report_key(input, BTN_SIDE,   data[6] & 0x08);
                                input_report_key(input, BTN_EXTRA,  data[6] & 0x10);

                                input_report_abs(input, ABS_TILT_X,
                                        ((data[7] << 1) & 0x7e) | (data[8] >> 7));
                                input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
                        } else {
                                /* 2D mouse packet */
                                input_report_key(input, BTN_LEFT,   data[8] & 0x04);
                                input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
                                input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
                                input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
                                                 - ((data[8] & 0x02) >> 1));

                                /* I3 2D mouse side buttons */
                                if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
                                        input_report_key(input, BTN_SIDE,   data[8] & 0x40);
                                        input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
                                }
                        }
                } else if ((features->type < INTUOS3S || features->type == INTUOS3L ||
                                features->type == INTUOS4L || features->type == INTUOS5L ||
                                features->type == INTUOSPL) &&
                           wacom->tool[idx] == BTN_TOOL_LENS) {
                        /* Lens cursor packets */
                        input_report_key(input, BTN_LEFT,   data[8] & 0x01);
                        input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
                        input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
                        input_report_key(input, BTN_SIDE,   data[8] & 0x10);
                        input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
                }
        }

        input_report_abs(input, ABS_MISC, wacom->id[idx]); /* report tool id */
        input_report_key(input, wacom->tool[idx], 1);
        input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
        return 1;
}

static int int_dist(int x1, int y1, int x2, int y2)
{
        int x = x2 - x1;
        int y = y2 - y1;

        return int_sqrt(x*x + y*y);
}

static int wacom_24hdt_irq(struct wacom_wac *wacom)
{
        struct input_dev *input = wacom->input;
        char *data = wacom->data;
        int i;
        int current_num_contacts = data[61];
        int contacts_to_send = 0;

        /*
         * First packet resets the counter since only the first
         * packet in series will have non-zero current_num_contacts.
         */
        if (current_num_contacts)
                wacom->num_contacts_left = current_num_contacts;

        /* There are at most 4 contacts per packet */
        contacts_to_send = min(4, wacom->num_contacts_left);

        for (i = 0; i < contacts_to_send; i++) {
                int offset = (WACOM_BYTES_PER_24HDT_PACKET * i) + 1;
                bool touch = data[offset] & 0x1 && !wacom->shared->stylus_in_proximity;
                int slot = input_mt_get_slot_by_key(input, data[offset + 1]);

                if (slot < 0)
                        continue;
                input_mt_slot(input, slot);
                input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);

                if (touch) {
                        int t_x = le16_to_cpup((__le16 *)&data[offset + 2]);
                        int c_x = le16_to_cpup((__le16 *)&data[offset + 4]);
                        int t_y = le16_to_cpup((__le16 *)&data[offset + 6]);
                        int c_y = le16_to_cpup((__le16 *)&data[offset + 8]);
                        int w = le16_to_cpup((__le16 *)&data[offset + 10]);
                        int h = le16_to_cpup((__le16 *)&data[offset + 12]);

                        input_report_abs(input, ABS_MT_POSITION_X, t_x);
                        input_report_abs(input, ABS_MT_POSITION_Y, t_y);
                        input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
                        input_report_abs(input, ABS_MT_WIDTH_MAJOR, min(w, h) + int_dist(t_x, t_y, c_x, c_y));
                        input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
                        input_report_abs(input, ABS_MT_ORIENTATION, w > h);
                }
        }
        input_mt_report_pointer_emulation(input, true);

        wacom->num_contacts_left -= contacts_to_send;
        if (wacom->num_contacts_left <= 0)
                wacom->num_contacts_left = 0;

        return 1;
}

static int wacom_mt_touch(struct wacom_wac *wacom)
{
        struct input_dev *input = wacom->input;
        char *data = wacom->data;
        int i;
        int current_num_contacts = data[2];
        int contacts_to_send = 0;
        int x_offset = 0;

        /* MTTPC does not support Height and Width */
        if (wacom->features.type == MTTPC)
                x_offset = -4;

        /*
         * First packet resets the counter since only the first
         * packet in series will have non-zero current_num_contacts.
         */
        if (current_num_contacts)
                wacom->num_contacts_left = current_num_contacts;

        /* There are at most 5 contacts per packet */
        contacts_to_send = min(5, wacom->num_contacts_left);

        for (i = 0; i < contacts_to_send; i++) {
                int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
                bool touch = data[offset] & 0x1;
                int id = le16_to_cpup((__le16 *)&data[offset + 1]);
                int slot = input_mt_get_slot_by_key(input, id);

                if (slot < 0)
                        continue;

                input_mt_slot(input, slot);
                input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
                if (touch) {
                        int x = le16_to_cpup((__le16 *)&data[offset + x_offset + 7]);
                        int y = le16_to_cpup((__le16 *)&data[offset + x_offset + 9]);
                        input_report_abs(input, ABS_MT_POSITION_X, x);
                        input_report_abs(input, ABS_MT_POSITION_Y, y);
                }
        }
        input_mt_report_pointer_emulation(input, true);

        wacom->num_contacts_left -= contacts_to_send;
        if (wacom->num_contacts_left < 0)
                wacom->num_contacts_left = 0;

        return 1;
}

static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
{
        struct input_dev *input = wacom->input;
        unsigned char *data = wacom->data;
        int contact_with_no_pen_down_count = 0;
        int i;

        for (i = 0; i < 2; i++) {
                int p = data[1] & (1 << i);
                bool touch = p && !wacom->shared->stylus_in_proximity;

                input_mt_slot(input, i);
                input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
                if (touch) {
                        int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
                        int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;

                        input_report_abs(input, ABS_MT_POSITION_X, x);
                        input_report_abs(input, ABS_MT_POSITION_Y, y);
                        contact_with_no_pen_down_count++;
                }
        }
        input_mt_report_pointer_emulation(input, true);

        /* keep touch state for pen event */
        wacom->shared->touch_down = (contact_with_no_pen_down_count > 0);

        return 1;
}

static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
{
        char *data = wacom->data;
        struct input_dev *input = wacom->input;
        bool prox;
        int x = 0, y = 0;

        if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
                return 0;

        if (!wacom->shared->stylus_in_proximity) {
                if (len == WACOM_PKGLEN_TPC1FG) {
                        prox = data[0] & 0x01;
                        x = get_unaligned_le16(&data[1]);
                        y = get_unaligned_le16(&data[3]);
                } else {
                        prox = data[1] & 0x01;
                        x = le16_to_cpup((__le16 *)&data[2]);
                        y = le16_to_cpup((__le16 *)&data[4]);
                }
        } else
                /* force touch out when pen is in prox */
                prox = 0;

        if (prox) {
                input_report_abs(input, ABS_X, x);
                input_report_abs(input, ABS_Y, y);
        }
        input_report_key(input, BTN_TOUCH, prox);

        /* keep touch state for pen events */
        wacom->shared->touch_down = prox;

        return 1;
}

static int wacom_tpc_pen(struct wacom_wac *wacom)
{
        struct wacom_features *features = &wacom->features;
        char *data = wacom->data;
        struct input_dev *input = wacom->input;
        int pressure;
        bool prox = data[1] & 0x20;

        if (!wacom->shared->stylus_in_proximity) /* first in prox */
                /* Going into proximity select tool */
                wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;

        /* keep pen state for touch events */
        wacom->shared->stylus_in_proximity = prox;

        /* send pen events only when touch is up or forced out */
        if (!wacom->shared->touch_down) {
                input_report_key(input, BTN_STYLUS, data[1] & 0x02);
                input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
                input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
                input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
                pressure = ((data[7] & 0x01) << 8) | data[6];
                if (pressure < 0)
                        pressure = features->pressure_max + pressure + 1;
                input_report_abs(input, ABS_PRESSURE, pressure);
                input_report_key(input, BTN_TOUCH, data[1] & 0x05);
                input_report_key(input, wacom->tool[0], prox);
                return 1;
        }

        return 0;
}

static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
{
        char *data = wacom->data;

        dev_dbg(wacom->input->dev.parent,
                "%s: received report #%d\n", __func__, data[0]);

        switch (len) {
        case WACOM_PKGLEN_TPC1FG:
                return wacom_tpc_single_touch(wacom, len);

        case WACOM_PKGLEN_TPC2FG:
                return wacom_tpc_mt_touch(wacom);

        default:
                switch (data[0]) {
                case WACOM_REPORT_TPC1FG:
                case WACOM_REPORT_TPCHID:
                case WACOM_REPORT_TPCST:
                case WACOM_REPORT_TPC1FGE:
                        return wacom_tpc_single_touch(wacom, len);

                case WACOM_REPORT_TPCMT:
                        return wacom_mt_touch(wacom);

                case WACOM_REPORT_PENABLED:
                        return wacom_tpc_pen(wacom);
                }
        }

        return 0;
}

static int wacom_bpt_touch(struct wacom_wac *wacom)
{
        struct wacom_features *features = &wacom->features;
        struct input_dev *input = wacom->input;
        unsigned char *data = wacom->data;
        int i;

        if (data[0] != 0x02)
            return 0;

        for (i = 0; i < 2; i++) {
                int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
                bool touch = data[offset + 3] & 0x80;

                /*
                 * Touch events need to be disabled while stylus is
                 * in proximity because user's hand is resting on touchpad
                 * and sending unwanted events.  User expects tablet buttons
                 * to continue working though.
                 */
                touch = touch && !wacom->shared->stylus_in_proximity;

                input_mt_slot(input, i);
                input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
                if (touch) {
                        int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
                        int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
                        if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
                                x <<= 5;
                                y <<= 5;
                        }
                        input_report_abs(input, ABS_MT_POSITION_X, x);
                        input_report_abs(input, ABS_MT_POSITION_Y, y);
                }
        }

        input_mt_report_pointer_emulation(input, true);

        input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
        input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
        input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
        input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);

        input_sync(input);

        return 0;
}

static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
{
        struct wacom_features *features = &wacom->features;
        struct input_dev *input = wacom->input;
        bool touch = data[1] & 0x80;
        int slot = input_mt_get_slot_by_key(input, data[0]);

        if (slot < 0)
                return;

        touch = touch && !wacom->shared->stylus_in_proximity;

        input_mt_slot(input, slot);
        input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);

        if (touch) {
                int x = (data[2] << 4) | (data[4] >> 4);
                int y = (data[3] << 4) | (data[4] & 0x0f);
                int width, height;

                if (features->type >= INTUOSPS && features->type <= INTUOSPL) {
                        width  = data[5] * 100;
                        height = data[6] * 100;
                } else {
                        /*
                         * "a" is a scaled-down area which we assume is
                         * roughly circular and which can be described as:
                         * a=(pi*r^2)/C.
                         */
                        int a = data[5];
                        int x_res  = input_abs_get_res(input, ABS_X);
                        int y_res  = input_abs_get_res(input, ABS_Y);
                        width  = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
                        height = width * y_res / x_res;
                }

                input_report_abs(input, ABS_MT_POSITION_X, x);
                input_report_abs(input, ABS_MT_POSITION_Y, y);
                input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
                input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
        }
}

static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
{
        struct input_dev *input = wacom->input;
        struct wacom_features *features = &wacom->features;

        if (features->type == INTUOSHT) {
                input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
                input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
        } else {
                input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
                input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
        }
        input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
        input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
}

static int wacom_bpt3_touch(struct wacom_wac *wacom)
{
        struct input_dev *input = wacom->input;
        unsigned char *data = wacom->data;
        int count = data[1] & 0x07;
        int i;

        if (data[0] != 0x02)
            return 0;

        /* data has up to 7 fixed sized 8-byte messages starting at data[2] */
        for (i = 0; i < count; i++) {
                int offset = (8 * i) + 2;
                int msg_id = data[offset];

                if (msg_id >= 2 && msg_id <= 17)
                        wacom_bpt3_touch_msg(wacom, data + offset);
                else if (msg_id == 128)
                        wacom_bpt3_button_msg(wacom, data + offset);

        }
        input_mt_report_pointer_emulation(input, true);

        input_sync(input);

        return 0;
}

static int wacom_bpt_pen(struct wacom_wac *wacom)
{
        struct wacom_features *features = &wacom->features;
        struct input_dev *input = wacom->input;
        unsigned char *data = wacom->data;
        int prox = 0, x = 0, y = 0, p = 0, d = 0, pen = 0, btn1 = 0, btn2 = 0;

        if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_USB)
            return 0;

        if (data[0] == WACOM_REPORT_USB) {
                if (features->type == INTUOSHT && features->touch_max) {
                        input_report_switch(wacom->shared->touch_input,
                                            SW_MUTE_DEVICE, data[8] & 0x40);
                        input_sync(wacom->shared->touch_input);
                }
                return 0;
        }

        prox = (data[1] & 0x20) == 0x20;

        /*
         * All reports shared between PEN and RUBBER tool must be
         * forced to a known starting value (zero) when transitioning to
         * out-of-prox.
         *
         * If not reset then, to userspace, it will look like lost events
         * if new tool comes in-prox with same values as previous tool sent.
         *
         * Hardware does report zero in most out-of-prox cases but not all.
         */
        if (prox) {
                if (!wacom->shared->stylus_in_proximity) {
                        if (data[1] & 0x08) {
                                wacom->tool[0] = BTN_TOOL_RUBBER;
                                wacom->id[0] = ERASER_DEVICE_ID;
                        } else {
                                wacom->tool[0] = BTN_TOOL_PEN;
                                wacom->id[0] = STYLUS_DEVICE_ID;
                        }
                        wacom->shared->stylus_in_proximity = true;
                }
                x = le16_to_cpup((__le16 *)&data[2]);
                y = le16_to_cpup((__le16 *)&data[4]);
                p = le16_to_cpup((__le16 *)&data[6]);
                /*
                 * Convert distance from out prox to distance from tablet.
                 * distance will be greater than distance_max once
                 * touching and applying pressure; do not report negative
                 * distance.
                 */
                if (data[8] <= features->distance_max)
                        d = features->distance_max - data[8];

                pen = data[1] & 0x01;
                btn1 = data[1] & 0x02;
                btn2 = data[1] & 0x04;
        }

        input_report_key(input, BTN_TOUCH, pen);
        input_report_key(input, BTN_STYLUS, btn1);
        input_report_key(input, BTN_STYLUS2, btn2);

        input_report_abs(input, ABS_X, x);
        input_report_abs(input, ABS_Y, y);
        input_report_abs(input, ABS_PRESSURE, p);
        input_report_abs(input, ABS_DISTANCE, d);

        if (!prox) {
                wacom->id[0] = 0;
                wacom->shared->stylus_in_proximity = false;
        }

        input_report_key(input, wacom->tool[0], prox); /* PEN or RUBBER */
        input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */

        return 1;
}

static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
{
        if (len == WACOM_PKGLEN_BBTOUCH)
                return wacom_bpt_touch(wacom);
        else if (len == WACOM_PKGLEN_BBTOUCH3)
                return wacom_bpt3_touch(wacom);
        else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
                return wacom_bpt_pen(wacom);

        return 0;
}

static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
{
        unsigned char *data = wacom->data;
        int connected;

        if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
                return 0;

        connected = data[1] & 0x01;
        if (connected) {
                int pid, battery;

                if ((wacom->shared->type == INTUOSHT) &&
                                wacom->shared->touch_max) {
                        input_report_switch(wacom->shared->touch_input,
                                        SW_MUTE_DEVICE, data[5] & 0x40);
                        input_sync(wacom->shared->touch_input);
                }

                pid = get_unaligned_be16(&data[6]);
                battery = data[5] & 0x3f;
                if (wacom->pid != pid) {
                        wacom->pid = pid;
                        wacom_schedule_work(wacom);
                }
                wacom->battery_capacity = battery;
        } else if (wacom->pid != 0) {
                /* disconnected while previously connected */
                wacom->pid = 0;
                wacom_schedule_work(wacom);
                wacom->battery_capacity = 0;
        }

        return 0;
}

void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
{
        bool sync;

        switch (wacom_wac->features.type) {
        case PENPARTNER:
                sync = wacom_penpartner_irq(wacom_wac);
                break;

        case PL:
                sync = wacom_pl_irq(wacom_wac);
                break;

        case WACOM_G4:
        case GRAPHIRE:
        case WACOM_MO:
                sync = wacom_graphire_irq(wacom_wac);
                break;

        case PTU:
                sync = wacom_ptu_irq(wacom_wac);
                break;

        case DTU:
                sync = wacom_dtu_irq(wacom_wac);
                break;

        case DTUS:
                sync = wacom_dtus_irq(wacom_wac);
                break;

        case INTUOS:
        case INTUOS3S:
        case INTUOS3:
        case INTUOS3L:
        case INTUOS4S:
        case INTUOS4:
        case INTUOS4L:
        case CINTIQ:
        case WACOM_BEE:
        case WACOM_13HD:
        case WACOM_21UX2:
        case WACOM_22HD:
        case WACOM_24HD:
        case DTK:
        case CINTIQ_HYBRID:
                sync = wacom_intuos_irq(wacom_wac);
                break;

        case WACOM_24HDT:
                sync = wacom_24hdt_irq(wacom_wac);
                break;

        case INTUOS5S:
        case INTUOS5:
        case INTUOS5L:
        case INTUOSPS:
        case INTUOSPM:
        case INTUOSPL:
                if (len == WACOM_PKGLEN_BBTOUCH3)
                        sync = wacom_bpt3_touch(wacom_wac);
                else
                        sync = wacom_intuos_irq(wacom_wac);
                break;

        case TABLETPC:
        case TABLETPCE:
        case TABLETPC2FG:
        case MTSCREEN:
        case MTTPC:
                sync = wacom_tpc_irq(wacom_wac, len);
                break;

        case BAMBOO_PT:
        case INTUOSHT:
                sync = wacom_bpt_irq(wacom_wac, len);
                break;

        case WIRELESS:
                sync = wacom_wireless_irq(wacom_wac, len);
                break;

        default:
                sync = false;
                break;
        }

        if (sync)
                input_sync(wacom_wac->input);
}

static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
{
        struct input_dev *input_dev = wacom_wac->input;

        input_set_capability(input_dev, EV_MSC, MSC_SERIAL);

        __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
        __set_bit(BTN_TOOL_PEN, input_dev->keybit);
        __set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
        __set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
        __set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
        __set_bit(BTN_STYLUS, input_dev->keybit);
        __set_bit(BTN_STYLUS2, input_dev->keybit);

        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);
}

static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
{
        struct input_dev *input_dev = wacom_wac->input;

        input_set_capability(input_dev, EV_REL, REL_WHEEL);

        wacom_setup_cintiq(wacom_wac);

        __set_bit(BTN_LEFT, input_dev->keybit);
        __set_bit(BTN_RIGHT, input_dev->keybit);
        __set_bit(BTN_MIDDLE, input_dev->keybit);
        __set_bit(BTN_SIDE, input_dev->keybit);
        __set_bit(BTN_EXTRA, input_dev->keybit);
        __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
        __set_bit(BTN_TOOL_LENS, input_dev->keybit);

        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 wacom_setup_device_quirks(struct wacom_features *features)
{

        /* touch device found but size is not defined. use default */
        if (features->device_type == BTN_TOOL_FINGER && !features->x_max) {
                features->x_max = 1023;
                features->y_max = 1023;
        }

        /* these device have multiple inputs */
        if (features->type >= WIRELESS ||
            (features->type >= INTUOS5S && features->type <= INTUOSHT) ||
            (features->oVid && features->oPid))
                features->quirks |= WACOM_QUIRK_MULTI_INPUT;

        /* quirk for bamboo touch with 2 low res touches */
        if (features->type == BAMBOO_PT &&
            features->pktlen == WACOM_PKGLEN_BBTOUCH) {
                features->x_max <<= 5;
                features->y_max <<= 5;
                features->x_fuzz <<= 5;
                features->y_fuzz <<= 5;
                features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
        }

        if (features->type == WIRELESS) {

                /* monitor never has input and pen/touch have delayed create */
                features->quirks |= WACOM_QUIRK_NO_INPUT;

                /* must be monitor interface if no device_type set */
                if (!features->device_type)
                        features->quirks |= WACOM_QUIRK_MONITOR;
        }
}

static void wacom_abs_set_axis(struct input_dev *input_dev,
                               struct wacom_wac *wacom_wac)
{
        struct wacom_features *features = &wacom_wac->features;

        if (features->device_type == BTN_TOOL_PEN) {
                input_set_abs_params(input_dev, ABS_X, 0, features->x_max,
                                     features->x_fuzz, 0);
                input_set_abs_params(input_dev, ABS_Y, 0, features->y_max,
                                     features->y_fuzz, 0);
                input_set_abs_params(input_dev, ABS_PRESSURE, 0,
                        features->pressure_max, features->pressure_fuzz, 0);

                /* penabled devices have fixed resolution for each model */
                input_abs_set_res(input_dev, ABS_X, features->x_resolution);
                input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
        } else {
                if (features->touch_max <= 2) {
                        input_set_abs_params(input_dev, ABS_X, 0,
                                features->x_max, features->x_fuzz, 0);
                        input_set_abs_params(input_dev, ABS_Y, 0,
                                features->y_max, features->y_fuzz, 0);
                        input_abs_set_res(input_dev, ABS_X,
                                          features->x_resolution);
                        input_abs_set_res(input_dev, ABS_Y,
                                          features->y_resolution);
                }

                if (features->touch_max > 1) {
                        input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
                                features->x_max, features->x_fuzz, 0);
                        input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
                                features->y_max, features->y_fuzz, 0);
                        input_abs_set_res(input_dev, ABS_MT_POSITION_X,
                                          features->x_resolution);
                        input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
                                          features->y_resolution);
                }
        }
}

int wacom_setup_input_capabilities(struct input_dev *input_dev,
                                   struct wacom_wac *wacom_wac)
{
        struct wacom_features *features = &wacom_wac->features;
        int i;

        input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);

        __set_bit(BTN_TOUCH, input_dev->keybit);
        __set_bit(ABS_MISC, input_dev->absbit);

        wacom_abs_set_axis(input_dev, wacom_wac);

        switch (features->type) {
        case WACOM_MO:
                input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
                /* fall through */

        case WACOM_G4:
                input_set_capability(input_dev, EV_MSC, MSC_SERIAL);

                __set_bit(BTN_BACK, input_dev->keybit);
                __set_bit(BTN_FORWARD, input_dev->keybit);
                /* fall through */

        case GRAPHIRE:
                input_set_capability(input_dev, EV_REL, REL_WHEEL);

                __set_bit(BTN_LEFT, input_dev->keybit);
                __set_bit(BTN_RIGHT, input_dev->keybit);
                __set_bit(BTN_MIDDLE, input_dev->keybit);

                __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
                __set_bit(BTN_TOOL_PEN, input_dev->keybit);
                __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
                __set_bit(BTN_STYLUS, input_dev->keybit);
                __set_bit(BTN_STYLUS2, input_dev->keybit);

                __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
                break;

        case WACOM_24HD:
                __set_bit(BTN_A, input_dev->keybit);
                __set_bit(BTN_B, input_dev->keybit);
                __set_bit(BTN_C, input_dev->keybit);
                __set_bit(BTN_X, input_dev->keybit);
                __set_bit(BTN_Y, input_dev->keybit);
                __set_bit(BTN_Z, input_dev->keybit);

                for (i = 6; i < 10; i++)
                        __set_bit(BTN_0 + i, input_dev->keybit);

                __set_bit(KEY_PROG1, input_dev->keybit);
                __set_bit(KEY_PROG2, input_dev->keybit);
                __set_bit(KEY_PROG3, input_dev->keybit);

                input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
                input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
                /* fall through */

        case DTK:
                for (i = 0; i < 6; i++)
                        __set_bit(BTN_0 + i, input_dev->keybit);

                __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);

                wacom_setup_cintiq(wacom_wac);
                break;

        case WACOM_22HD:
                __set_bit(KEY_PROG1, input_dev->keybit);
                __set_bit(KEY_PROG2, input_dev->keybit);
                __set_bit(KEY_PROG3, input_dev->keybit);
                /* fall through */

        case WACOM_21UX2:
                __set_bit(BTN_A, input_dev->keybit);
                __set_bit(BTN_B, input_dev->keybit);
                __set_bit(BTN_C, input_dev->keybit);
                __set_bit(BTN_X, input_dev->keybit);
                __set_bit(BTN_Y, input_dev->keybit);
                __set_bit(BTN_Z, input_dev->keybit);
                __set_bit(BTN_BASE, input_dev->keybit);
                __set_bit(BTN_BASE2, input_dev->keybit);
                /* fall through */

        case WACOM_BEE:
                __set_bit(BTN_8, input_dev->keybit);
                __set_bit(BTN_9, input_dev->keybit);
                /* fall through */

        case CINTIQ:
                for (i = 0; i < 8; i++)
                        __set_bit(BTN_0 + i, input_dev->keybit);

                input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
                input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
                input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);

                __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);

                wacom_setup_cintiq(wacom_wac);
                break;

        case WACOM_13HD:
                for (i = 0; i < 9; i++)
                        __set_bit(BTN_0 + i, input_dev->keybit);

                input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
                __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
                wacom_setup_cintiq(wacom_wac);
                break;

        case INTUOS3:
        case INTUOS3L:
                __set_bit(BTN_4, input_dev->keybit);
                __set_bit(BTN_5, input_dev->keybit);
                __set_bit(BTN_6, input_dev->keybit);
                __set_bit(BTN_7, input_dev->keybit);

                input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
                /* fall through */

        case INTUOS3S:
                __set_bit(BTN_0, input_dev->keybit);
                __set_bit(BTN_1, input_dev->keybit);
                __set_bit(BTN_2, input_dev->keybit);
                __set_bit(BTN_3, input_dev->keybit);

                input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
                input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
                /* fall through */

        case INTUOS:
                __set_bit(INPUT_PROP_POINTER, input_dev->propbit);

                wacom_setup_intuos(wacom_wac);
                break;

        case INTUOS5:
        case INTUOS5L:
        case INTUOSPM:
        case INTUOSPL:
                if (features->device_type == BTN_TOOL_PEN) {
                        __set_bit(BTN_7, input_dev->keybit);
                        __set_bit(BTN_8, input_dev->keybit);
                }
                /* fall through */

        case INTUOS5S:
        case INTUOSPS:
                __set_bit(INPUT_PROP_POINTER, input_dev->propbit);

                if (features->device_type == BTN_TOOL_PEN) {
                        for (i = 0; i < 7; i++)
                                __set_bit(BTN_0 + i, input_dev->keybit);

                        input_set_abs_params(input_dev, ABS_DISTANCE, 0,
                                              features->distance_max,
                                              0, 0);

                        input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);

                        wacom_setup_intuos(wacom_wac);
                } else if (features->device_type == BTN_TOOL_FINGER) {
                        __clear_bit(ABS_MISC, input_dev->absbit);

                        input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
                                             0, features->x_max, 0, 0);
                        input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR,
                                             0, features->y_max, 0, 0);
                        input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
                }
                break;

        case INTUOS4:
        case INTUOS4L:
                __set_bit(BTN_7, input_dev->keybit);
                __set_bit(BTN_8, input_dev->keybit);
                /* fall through */

        case INTUOS4S:
                for (i = 0; i < 7; i++)
                        __set_bit(BTN_0 + i, input_dev->keybit);

                input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
                wacom_setup_intuos(wacom_wac);

                __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
                break;

        case WACOM_24HDT:
                if (features->device_type == BTN_TOOL_FINGER) {
                        input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
                        input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
                        input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
                        input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
                }
                /* fall through */

        case MTSCREEN:
        case MTTPC:
        case TABLETPC2FG:
                if (features->device_type == BTN_TOOL_FINGER) {
                        unsigned int flags = INPUT_MT_DIRECT;

                        if (wacom_wac->features.type == TABLETPC2FG)
                                flags = 0;

                        input_mt_init_slots(input_dev, features->touch_max, flags);
                }
                /* fall through */

        case TABLETPC:
        case TABLETPCE:
                __clear_bit(ABS_MISC, input_dev->absbit);

                __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);

                if (features->device_type != BTN_TOOL_PEN)
                        break;  /* no need to process stylus stuff */

                /* fall through */

        case DTUS:
        case PL:
        case DTU:
                if (features->type == DTUS) {
                        input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
                        for (i = 0; i < 3; i++)
                                __set_bit(BTN_0 + i, input_dev->keybit);
                }
                __set_bit(BTN_TOOL_PEN, input_dev->keybit);
                __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
                __set_bit(BTN_STYLUS, input_dev->keybit);
                __set_bit(BTN_STYLUS2, input_dev->keybit);

                __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
                break;

        case PTU:
                __set_bit(BTN_STYLUS2, input_dev->keybit);
                /* fall through */

        case PENPARTNER:
                __set_bit(BTN_TOOL_PEN, input_dev->keybit);
                __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
                __set_bit(BTN_STYLUS, input_dev->keybit);

                __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
                break;

        case INTUOSHT:
                if (features->touch_max &&
                    features->device_type == BTN_TOOL_FINGER) {
                        input_dev->evbit[0] |= BIT_MASK(EV_SW);
                        __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
                }
                /* fall through */

        case BAMBOO_PT:
                __clear_bit(ABS_MISC, input_dev->absbit);

                if (features->device_type == BTN_TOOL_FINGER) {

                        __set_bit(BTN_LEFT, input_dev->keybit);
                        __set_bit(BTN_FORWARD, input_dev->keybit);
                        __set_bit(BTN_BACK, input_dev->keybit);
                        __set_bit(BTN_RIGHT, input_dev->keybit);

                        if (features->touch_max) {
                                /* touch interface */
                                unsigned int flags = INPUT_MT_POINTER;

                                __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
                                if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
                                        input_set_abs_params(input_dev,
                                                     ABS_MT_TOUCH_MAJOR,
                                                     0, features->x_max, 0, 0);
                                        input_set_abs_params(input_dev,
                                                     ABS_MT_TOUCH_MINOR,
                                                     0, features->y_max, 0, 0);
                                } else {
                                        __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
                                        __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
                                        flags = 0;
                                }
                                input_mt_init_slots(input_dev, features->touch_max, flags);
                        } else {
                                /* buttons/keys only interface */
                                __clear_bit(ABS_X, input_dev->absbit);
                                __clear_bit(ABS_Y, input_dev->absbit);
                                __clear_bit(BTN_TOUCH, input_dev->keybit);
                        }
                } else if (features->device_type == BTN_TOOL_PEN) {
                        __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
                        __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
                        __set_bit(BTN_TOOL_PEN, input_dev->keybit);
                        __set_bit(BTN_STYLUS, input_dev->keybit);
                        __set_bit(BTN_STYLUS2, input_dev->keybit);
                        input_set_abs_params(input_dev, ABS_DISTANCE, 0,
                                              features->distance_max,
                                              0, 0);
                }
                break;

        case CINTIQ_HYBRID:
                __set_bit(BTN_1, input_dev->keybit);
                __set_bit(BTN_2, input_dev->keybit);
                __set_bit(BTN_3, input_dev->keybit);
                __set_bit(BTN_4, input_dev->keybit);

                __set_bit(BTN_5, input_dev->keybit);
                __set_bit(BTN_6, input_dev->keybit);
                __set_bit(BTN_7, input_dev->keybit);
                __set_bit(BTN_8, input_dev->keybit);
                __set_bit(BTN_0, input_dev->keybit);

                input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
                __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);

                wacom_setup_cintiq(wacom_wac);
                break;
        }
        return 0;
}

static const struct wacom_features wacom_features_0x00 =
        { "Wacom Penpartner",     WACOM_PKGLEN_PENPRTN,    5040,  3780,  255,
          0, PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
static const struct wacom_features wacom_features_0x10 =
        { "Wacom Graphire",       WACOM_PKGLEN_GRAPHIRE,  10206,  7422,  511,
          63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
static const struct wacom_features wacom_features_0x11 =
        { "Wacom Graphire2 4x5",  WACOM_PKGLEN_GRAPHIRE,  10206,  7422,  511,
          63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
static const struct wacom_features wacom_features_0x12 =
        { "Wacom Graphire2 5x7",  WACOM_PKGLEN_GRAPHIRE,  13918, 10206,  511,
          63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
static const struct wacom_features wacom_features_0x13 =
        { "Wacom Graphire3",      WACOM_PKGLEN_GRAPHIRE,  10208,  7424,  511,
          63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
static const struct wacom_features wacom_features_0x14 =
        { "Wacom Graphire3 6x8",  WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511,
          63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
static const struct wacom_features wacom_features_0x15 =
        { "Wacom Graphire4 4x5",  WACOM_PKGLEN_GRAPHIRE,  10208,  7424,  511,
          63, WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
static const struct wacom_features wacom_features_0x16 =
        { "Wacom Graphire4 6x8",  WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511,
          63, WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
static const struct wacom_features wacom_features_0x17 =
        { "Wacom BambooFun 4x5",  WACOM_PKGLEN_BBFUN,     14760,  9225,  511,
          63, WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x18 =
        { "Wacom BambooFun 6x8",  WACOM_PKGLEN_BBFUN,     21648, 13530,  511,
          63, WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x19 =
        { "Wacom Bamboo1 Medium", WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511,
          63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
static const struct wacom_features wacom_features_0x60 =
        { "Wacom Volito",         WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511,
          63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
static const struct wacom_features wacom_features_0x61 =
        { "Wacom PenStation2",    WACOM_PKGLEN_GRAPHIRE,   3250,  2320,  255,
          63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
static const struct wacom_features wacom_features_0x62 =
        { "Wacom Volito2 4x5",    WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511,
          63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
static const struct wacom_features wacom_features_0x63 =
        { "Wacom Volito2 2x3",    WACOM_PKGLEN_GRAPHIRE,   3248,  2320,  511,
          63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
static const struct wacom_features wacom_features_0x64 =
        { "Wacom PenPartner2",    WACOM_PKGLEN_GRAPHIRE,   3250,  2320,  511,
          63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
static const struct wacom_features wacom_features_0x65 =
        { "Wacom Bamboo",         WACOM_PKGLEN_BBFUN,     14760,  9225,  511,
          63, WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x69 =
        { "Wacom Bamboo1",        WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511,
          63, GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
static const struct wacom_features wacom_features_0x6A =
        { "Wacom Bamboo1 4x6",    WACOM_PKGLEN_GRAPHIRE,  14760,  9225, 1023,
          63, GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x6B =
        { "Wacom Bamboo1 5x8",    WACOM_PKGLEN_GRAPHIRE,  21648, 13530, 1023,
          63, GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x20 =
        { "Wacom Intuos 4x5",     WACOM_PKGLEN_INTUOS,    12700, 10600, 1023,

          31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x21 =
        { "Wacom Intuos 6x8",     WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
          31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x22 =
        { "Wacom Intuos 9x12",    WACOM_PKGLEN_INTUOS,    30480, 24060, 1023,
          31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x23 =
        { "Wacom Intuos 12x12",   WACOM_PKGLEN_INTUOS,    30480, 31680, 1023,
          31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x24 =
        { "Wacom Intuos 12x18",   WACOM_PKGLEN_INTUOS,    45720, 31680, 1023,
          31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x30 =
        { "Wacom PL400",          WACOM_PKGLEN_GRAPHIRE,   5408,  4056,  255,
          0, PL, WACOM_PL_RES, WACOM_PL_RES };
static const struct wacom_features wacom_features_0x31 =
        { "Wacom PL500",          WACOM_PKGLEN_GRAPHIRE,   6144,  4608,  255,
          0, PL, WACOM_PL_RES, WACOM_PL_RES };
static const struct wacom_features wacom_features_0x32 =
        { "Wacom PL600",          WACOM_PKGLEN_GRAPHIRE,   6126,  4604,  255,
          0, PL, WACOM_PL_RES, WACOM_PL_RES };
static const struct wacom_features wacom_features_0x33 =
        { "Wacom PL600SX",        WACOM_PKGLEN_GRAPHIRE,   6260,  5016,  255,
          0, PL, WACOM_PL_RES, WACOM_PL_RES };
static const struct wacom_features wacom_features_0x34 =
        { "Wacom PL550",          WACOM_PKGLEN_GRAPHIRE,   6144,  4608,  511,
          0, PL, WACOM_PL_RES, WACOM_PL_RES };
static const struct wacom_features wacom_features_0x35 =
        { "Wacom PL800",          WACOM_PKGLEN_GRAPHIRE,   7220,  5780,  511,
          0, PL, WACOM_PL_RES, WACOM_PL_RES };
static const struct wacom_features wacom_features_0x37 =
        { "Wacom PL700",          WACOM_PKGLEN_GRAPHIRE,   6758,  5406,  511,
          0, PL, WACOM_PL_RES, WACOM_PL_RES };
static const struct wacom_features wacom_features_0x38 =
        { "Wacom PL510",          WACOM_PKGLEN_GRAPHIRE,   6282,  4762,  511,
          0, PL, WACOM_PL_RES, WACOM_PL_RES };
static const struct wacom_features wacom_features_0x39 =
        { "Wacom DTU710",         WACOM_PKGLEN_GRAPHIRE,  34080, 27660,  511,
          0, PL, WACOM_PL_RES, WACOM_PL_RES };
static const struct wacom_features wacom_features_0xC4 =
        { "Wacom DTF521",         WACOM_PKGLEN_GRAPHIRE,   6282,  4762,  511,
          0, PL, WACOM_PL_RES, WACOM_PL_RES };
static const struct wacom_features wacom_features_0xC0 =
        { "Wacom DTF720",         WACOM_PKGLEN_GRAPHIRE,   6858,  5506,  511,
          0, PL, WACOM_PL_RES, WACOM_PL_RES };
static const struct wacom_features wacom_features_0xC2 =
        { "Wacom DTF720a",        WACOM_PKGLEN_GRAPHIRE,   6858,  5506,  511,
          0, PL, WACOM_PL_RES, WACOM_PL_RES };
static const struct wacom_features wacom_features_0x03 =
        { "Wacom Cintiq Partner", WACOM_PKGLEN_GRAPHIRE,  20480, 15360,  511,
          0, PTU, WACOM_PL_RES, WACOM_PL_RES };
static const struct wacom_features wacom_features_0x41 =
        { "Wacom Intuos2 4x5",    WACOM_PKGLEN_INTUOS,    12700, 10600, 1023,
          31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x42 =
        { "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
          31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x43 =
        { "Wacom Intuos2 9x12",   WACOM_PKGLEN_INTUOS,    30480, 24060, 1023,
          31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x44 =
        { "Wacom Intuos2 12x12",  WACOM_PKGLEN_INTUOS,    30480, 31680, 1023,
          31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x45 =
        { "Wacom Intuos2 12x18",  WACOM_PKGLEN_INTUOS,    45720, 31680, 1023,
          31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xB0 =
        { "Wacom Intuos3 4x5",    WACOM_PKGLEN_INTUOS,    25400, 20320, 1023,
          63, INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xB1 =
        { "Wacom Intuos3 6x8",    WACOM_PKGLEN_INTUOS,    40640, 30480, 1023,
          63, INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xB2 =
        { "Wacom Intuos3 9x12",   WACOM_PKGLEN_INTUOS,    60960, 45720, 1023,
          63, INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xB3 =
        { "Wacom Intuos3 12x12",  WACOM_PKGLEN_INTUOS,    60960, 60960, 1023,
          63, INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xB4 =
        { "Wacom Intuos3 12x19",  WACOM_PKGLEN_INTUOS,    97536, 60960, 1023,
          63, INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xB5 =
        { "Wacom Intuos3 6x11",   WACOM_PKGLEN_INTUOS,    54204, 31750, 1023,
          63, INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xB7 =
        { "Wacom Intuos3 4x6",    WACOM_PKGLEN_INTUOS,    31496, 19685, 1023,
          63, INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xB8 =
        { "Wacom Intuos4 4x6",    WACOM_PKGLEN_INTUOS,    31496, 19685, 2047,
          63, INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xB9 =
        { "Wacom Intuos4 6x9",    WACOM_PKGLEN_INTUOS,    44704, 27940, 2047,
          63, INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xBA =
        { "Wacom Intuos4 8x13",   WACOM_PKGLEN_INTUOS,    65024, 40640, 2047,
          63, INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xBB =
        { "Wacom Intuos4 12x19",  WACOM_PKGLEN_INTUOS,    97536, 60960, 2047,
          63, INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xBC =
        { "Wacom Intuos4 WL",     WACOM_PKGLEN_INTUOS,    40640, 25400, 2047,
          63, INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0x26 =
        { "Wacom Intuos5 touch S", WACOM_PKGLEN_INTUOS,  31496, 19685, 2047,
          63, INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
          .touch_max = 16 };
static const struct wacom_features wacom_features_0x27 =
        { "Wacom Intuos5 touch M", WACOM_PKGLEN_INTUOS,  44704, 27940, 2047,
          63, INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
          .touch_max = 16 };
static const struct wacom_features wacom_features_0x28 =
        { "Wacom Intuos5 touch L", WACOM_PKGLEN_INTUOS, 65024, 40640, 2047,
          63, INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
          .touch_max = 16 };
static const struct wacom_features wacom_features_0x29 =
        { "Wacom Intuos5 S", WACOM_PKGLEN_INTUOS,  31496, 19685, 2047,
          63, INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0x2A =
        { "Wacom Intuos5 M", WACOM_PKGLEN_INTUOS,  44704, 27940, 2047,
          63, INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0x314 =
        { "Wacom Intuos Pro S", WACOM_PKGLEN_INTUOS,  31496, 19685, 2047,
          63, INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
          .touch_max = 16 };
static const struct wacom_features wacom_features_0x315 =
        { "Wacom Intuos Pro M", WACOM_PKGLEN_INTUOS,  44704, 27940, 2047,
          63, INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
          .touch_max = 16 };
static const struct wacom_features wacom_features_0x317 =
        { "Wacom Intuos Pro L", WACOM_PKGLEN_INTUOS,  65024, 40640, 2047,
          63, INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
          .touch_max = 16 };
static const struct wacom_features wacom_features_0xF4 =
        { "Wacom Cintiq 24HD",       WACOM_PKGLEN_INTUOS,   104480, 65600, 2047,
          63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xF8 =
        { "Wacom Cintiq 24HD touch", WACOM_PKGLEN_INTUOS,   104480, 65600, 2047, /* Pen */
          63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
          .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
static const struct wacom_features wacom_features_0xF6 =
        { "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
          .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10 };
static const struct wacom_features wacom_features_0x3F =
        { "Wacom Cintiq 21UX",    WACOM_PKGLEN_INTUOS,    87200, 65600, 1023,
          63, CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xC5 =
        { "Wacom Cintiq 20WSX",   WACOM_PKGLEN_INTUOS,    86680, 54180, 1023,
          63, WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xC6 =
        { "Wacom Cintiq 12WX",    WACOM_PKGLEN_INTUOS,    53020, 33440, 1023,
          63, WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0x304 =
        { "Wacom Cintiq 13HD",    WACOM_PKGLEN_INTUOS,    59552, 33848, 1023,
          63, WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xC7 =
        { "Wacom DTU1931",        WACOM_PKGLEN_GRAPHIRE,  37832, 30305,  511,
          0, PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xCE =
        { "Wacom DTU2231",        WACOM_PKGLEN_GRAPHIRE,  47864, 27011,  511,
          0, DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xF0 =
        { "Wacom DTU1631",        WACOM_PKGLEN_GRAPHIRE,  34623, 19553,  511,
          0, DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xFB =
        { "Wacom DTU1031",        WACOM_PKGLEN_DTUS,      22096, 13960,  511,
          0, DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x57 =
        { "Wacom DTK2241",        WACOM_PKGLEN_INTUOS,    95840, 54260, 2047,
          63, DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES};
static const struct wacom_features wacom_features_0x59 = /* Pen */
        { "Wacom DTH2242",        WACOM_PKGLEN_INTUOS,    95840, 54260, 2047,
          63, DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
          .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
static const struct wacom_features wacom_features_0x5D = /* Touch */
        { "Wacom DTH2242",       .type = WACOM_24HDT,
          .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10 };
static const struct wacom_features wacom_features_0xCC =
        { "Wacom Cintiq 21UX2",   WACOM_PKGLEN_INTUOS,    87200, 65600, 2047,
          63, WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0xFA =
        { "Wacom Cintiq 22HD",    WACOM_PKGLEN_INTUOS,    95840, 54260, 2047,
          63, WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
static const struct wacom_features wacom_features_0x5B =
        { "Wacom Cintiq 22HDT", WACOM_PKGLEN_INTUOS,      95840, 54260, 2047,
          63, WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
          .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
static const struct wacom_features wacom_features_0x5E =
        { "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
          .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10 };
static const struct wacom_features wacom_features_0x90 =
        { "Wacom ISDv4 90",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
          0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x93 =
        { "Wacom ISDv4 93",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
          0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x97 =
        { "Wacom ISDv4 97",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  511,
          0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x9A =
        { "Wacom ISDv4 9A",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
          0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x9F =
        { "Wacom ISDv4 9F",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
          0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xE2 =
        { "Wacom ISDv4 E2",       WACOM_PKGLEN_TPC2FG,    26202, 16325,  255,
          0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 2 };
static const struct wacom_features wacom_features_0xE3 =
        { "Wacom ISDv4 E3",       WACOM_PKGLEN_TPC2FG,    26202, 16325,  255,
          0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 2 };
static const struct wacom_features wacom_features_0xE5 =
        { "Wacom ISDv4 E5",       WACOM_PKGLEN_MTOUCH,    26202, 16325,  255,
          0, MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xE6 =
        { "Wacom ISDv4 E6",       WACOM_PKGLEN_TPC2FG,    27760, 15694,  255,
          0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 2 };
static const struct wacom_features wacom_features_0xEC =
        { "Wacom ISDv4 EC",       WACOM_PKGLEN_GRAPHIRE,  25710, 14500,  255,
          0, TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xED =
        { "Wacom ISDv4 ED",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
          0, TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xEF =
        { "Wacom ISDv4 EF",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
          0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x100 =
        { "Wacom ISDv4 100",      WACOM_PKGLEN_MTTPC,     26202, 16325,  255,
          0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x101 =
        { "Wacom ISDv4 101",      WACOM_PKGLEN_MTTPC,     26202, 16325,  255,
          0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x10D =
        { "Wacom ISDv4 10D",      WACOM_PKGLEN_MTTPC,     26202, 16325,  255,
          0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x10E =
        { "Wacom ISDv4 10E",      WACOM_PKGLEN_MTTPC,     27760, 15694,  255,
          0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x10F =
        { "Wacom ISDv4 10F",      WACOM_PKGLEN_MTTPC,     27760, 15694,  255,
          0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x4001 =
        { "Wacom ISDv4 4001",      WACOM_PKGLEN_MTTPC,     26202, 16325,  255,
          0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x47 =
        { "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
          31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x84 =
        { "Wacom Wireless Receiver", WACOM_PKGLEN_WIRELESS, 0, 0, 0,
          0, WIRELESS, 0, 0, .touch_max = 16 };
static const struct wacom_features wacom_features_0xD0 =
        { "Wacom Bamboo 2FG",     WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 2 };
static const struct wacom_features wacom_features_0xD1 =
        { "Wacom Bamboo 2FG 4x5", WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 2 };
static const struct wacom_features wacom_features_0xD2 =
        { "Wacom Bamboo Craft",   WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 2 };
static const struct wacom_features wacom_features_0xD3 =
        { "Wacom Bamboo 2FG 6x8", WACOM_PKGLEN_BBFUN,     21648, 13700, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 2 };
static const struct wacom_features wacom_features_0xD4 =
        { "Wacom Bamboo Pen",     WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xD5 =
        { "Wacom Bamboo Pen 6x8",     WACOM_PKGLEN_BBFUN, 21648, 13700, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xD6 =
        { "Wacom BambooPT 2FG 4x5", WACOM_PKGLEN_BBFUN,   14720,  9200, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 2 };
static const struct wacom_features wacom_features_0xD7 =
        { "Wacom BambooPT 2FG Small", WACOM_PKGLEN_BBFUN, 14720,  9200, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 2 };
static const struct wacom_features wacom_features_0xD8 =
        { "Wacom Bamboo Comic 2FG", WACOM_PKGLEN_BBFUN,   21648, 13700, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 2 };
static const struct wacom_features wacom_features_0xDA =
        { "Wacom Bamboo 2FG 4x5 SE", WACOM_PKGLEN_BBFUN,  14720,  9200, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 2 };
static const struct wacom_features wacom_features_0xDB =
        { "Wacom Bamboo 2FG 6x8 SE", WACOM_PKGLEN_BBFUN,  21648, 13700, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 2 };
static const struct wacom_features wacom_features_0xDD =
        { "Wacom Bamboo Connect", WACOM_PKGLEN_BBPEN,     14720,  9200, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0xDE =
        { "Wacom Bamboo 16FG 4x5", WACOM_PKGLEN_BBPEN,    14720,  9200, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 16 };
static const struct wacom_features wacom_features_0xDF =
        { "Wacom Bamboo 16FG 6x8", WACOM_PKGLEN_BBPEN,    21648, 13700, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 16 };
static const struct wacom_features wacom_features_0x300 =
        { "Wacom Bamboo One S",    WACOM_PKGLEN_BBPEN,    14720,  9225, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x301 =
        { "Wacom Bamboo One M",    WACOM_PKGLEN_BBPEN,    21648, 13530, 1023,
          31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x302 =
        { "Wacom Intuos PT S",     WACOM_PKGLEN_BBPEN,    15200,  9500, 1023,
          31, INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 16 };
static const struct wacom_features wacom_features_0x303 =
        { "Wacom Intuos PT M",     WACOM_PKGLEN_BBPEN,    21600, 13500, 1023,
          31, INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
          .touch_max = 16 };
static const struct wacom_features wacom_features_0x30E =
        { "Wacom Intuos S",        WACOM_PKGLEN_BBPEN,    15200,  9500, 1023,
          31, INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x6004 =
        { "ISD-V4",               WACOM_PKGLEN_GRAPHIRE,  12800,  8000,  255,
          0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x0307 =
        { "Wacom ISDv5 307", WACOM_PKGLEN_INTUOS,  59552,  33848, 2047,
          63, CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
          .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
static const struct wacom_features wacom_features_0x0309 =
        { "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
          .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10 };

#define USB_DEVICE_WACOM(prod)                                  \
        USB_DEVICE(USB_VENDOR_ID_WACOM, prod),                  \
        .driver_info = (kernel_ulong_t)&wacom_features_##prod

#define USB_DEVICE_DETAILED(prod, class, sub, proto)                    \
        USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_WACOM, prod, class, \
                                      sub, proto),                      \
        .driver_info = (kernel_ulong_t)&wacom_features_##prod

#define USB_DEVICE_LENOVO(prod)                                 \
        USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),                 \
        .driver_info = (kernel_ulong_t)&wacom_features_##prod

const struct usb_device_id wacom_ids[] = {
        { USB_DEVICE_WACOM(0x00) },
        { USB_DEVICE_WACOM(0x10) },
        { USB_DEVICE_WACOM(0x11) },
        { USB_DEVICE_WACOM(0x12) },
        { USB_DEVICE_WACOM(0x13) },
        { USB_DEVICE_WACOM(0x14) },
        { USB_DEVICE_WACOM(0x15) },
        { USB_DEVICE_WACOM(0x16) },
        { USB_DEVICE_WACOM(0x17) },
        { USB_DEVICE_WACOM(0x18) },
        { USB_DEVICE_WACOM(0x19) },
        { USB_DEVICE_WACOM(0x60) },
        { USB_DEVICE_WACOM(0x61) },
        { USB_DEVICE_WACOM(0x62) },
        { USB_DEVICE_WACOM(0x63) },
        { USB_DEVICE_WACOM(0x64) },
        { USB_DEVICE_WACOM(0x65) },
        { USB_DEVICE_WACOM(0x69) },
        { USB_DEVICE_WACOM(0x6A) },
        { USB_DEVICE_WACOM(0x6B) },
        { USB_DEVICE_WACOM(0x20) },
        { USB_DEVICE_WACOM(0x21) },
        { USB_DEVICE_WACOM(0x22) },
        { USB_DEVICE_WACOM(0x23) },
        { USB_DEVICE_WACOM(0x24) },
        { USB_DEVICE_WACOM(0x30) },
        { USB_DEVICE_WACOM(0x31) },
        { USB_DEVICE_WACOM(0x32) },
        { USB_DEVICE_WACOM(0x33) },
        { USB_DEVICE_WACOM(0x34) },
        { USB_DEVICE_WACOM(0x35) },
        { USB_DEVICE_WACOM(0x37) },
        { USB_DEVICE_WACOM(0x38) },
        { USB_DEVICE_WACOM(0x39) },
        { USB_DEVICE_WACOM(0xC4) },
        { USB_DEVICE_WACOM(0xC0) },
        { USB_DEVICE_WACOM(0xC2) },
        { USB_DEVICE_WACOM(0x03) },
        { USB_DEVICE_WACOM(0x41) },
        { USB_DEVICE_WACOM(0x42) },
        { USB_DEVICE_WACOM(0x43) },
        { USB_DEVICE_WACOM(0x44) },
        { USB_DEVICE_WACOM(0x45) },
        { USB_DEVICE_WACOM(0x57) },
        { USB_DEVICE_WACOM(0x59) },
        { USB_DEVICE_DETAILED(0x5D, USB_CLASS_HID, 0, 0) },
        { USB_DEVICE_WACOM(0x5B) },
        { USB_DEVICE_DETAILED(0x5E, USB_CLASS_HID, 0, 0) },
        { USB_DEVICE_WACOM(0xB0) },
        { USB_DEVICE_WACOM(0xB1) },
        { USB_DEVICE_WACOM(0xB2) },
        { USB_DEVICE_WACOM(0xB3) },
        { USB_DEVICE_WACOM(0xB4) },
        { USB_DEVICE_WACOM(0xB5) },
        { USB_DEVICE_WACOM(0xB7) },
        { USB_DEVICE_WACOM(0xB8) },
        { USB_DEVICE_WACOM(0xB9) },
        { USB_DEVICE_WACOM(0xBA) },
        { USB_DEVICE_WACOM(0xBB) },
        { USB_DEVICE_WACOM(0xBC) },
        { USB_DEVICE_WACOM(0x26) },
        { USB_DEVICE_WACOM(0x27) },
        { USB_DEVICE_WACOM(0x28) },
        { USB_DEVICE_WACOM(0x29) },
        { USB_DEVICE_WACOM(0x2A) },
        { USB_DEVICE_WACOM(0x3F) },
        { USB_DEVICE_WACOM(0xC5) },
        { USB_DEVICE_WACOM(0xC6) },
        { USB_DEVICE_WACOM(0xC7) },
        /*
         * DTU-2231 has two interfaces on the same configuration,
         * only one is used.
         */
        { USB_DEVICE_DETAILED(0xCE, USB_CLASS_HID,
                              USB_INTERFACE_SUBCLASS_BOOT,
                              USB_INTERFACE_PROTOCOL_MOUSE) },
        { USB_DEVICE_WACOM(0x84) },
        { USB_DEVICE_WACOM(0xD0) },
        { USB_DEVICE_WACOM(0xD1) },
        { USB_DEVICE_WACOM(0xD2) },
        { USB_DEVICE_WACOM(0xD3) },
        { USB_DEVICE_WACOM(0xD4) },
        { USB_DEVICE_WACOM(0xD5) },
        { USB_DEVICE_WACOM(0xD6) },
        { USB_DEVICE_WACOM(0xD7) },
        { USB_DEVICE_WACOM(0xD8) },
        { USB_DEVICE_WACOM(0xDA) },
        { USB_DEVICE_WACOM(0xDB) },
        { USB_DEVICE_WACOM(0xDD) },
        { USB_DEVICE_WACOM(0xDE) },
        { USB_DEVICE_WACOM(0xDF) },
        { USB_DEVICE_WACOM(0xF0) },
        { USB_DEVICE_WACOM(0xCC) },
        { USB_DEVICE_WACOM(0x90) },
        { USB_DEVICE_WACOM(0x93) },
        { USB_DEVICE_WACOM(0x97) },
        { USB_DEVICE_WACOM(0x9A) },
        { USB_DEVICE_WACOM(0x9F) },
        { USB_DEVICE_WACOM(0xE2) },
        { USB_DEVICE_WACOM(0xE3) },
        { USB_DEVICE_WACOM(0xE5) },
        { USB_DEVICE_WACOM(0xE6) },
        { USB_DEVICE_WACOM(0xEC) },
        { USB_DEVICE_WACOM(0xED) },
        { USB_DEVICE_WACOM(0xEF) },
        { USB_DEVICE_WACOM(0x100) },
        { USB_DEVICE_WACOM(0x101) },
        { USB_DEVICE_WACOM(0x10D) },
        { USB_DEVICE_WACOM(0x10E) },
        { USB_DEVICE_WACOM(0x10F) },
        { USB_DEVICE_WACOM(0x300) },
        { USB_DEVICE_WACOM(0x301) },
        { USB_DEVICE_DETAILED(0x302, USB_CLASS_HID, 0, 0) },
        { USB_DEVICE_DETAILED(0x303, USB_CLASS_HID, 0, 0) },
        { USB_DEVICE_DETAILED(0x30E, USB_CLASS_HID, 0, 0) },
        { USB_DEVICE_WACOM(0x304) },
        { USB_DEVICE_DETAILED(0x314, USB_CLASS_HID, 0, 0) },
        { USB_DEVICE_DETAILED(0x315, USB_CLASS_HID, 0, 0) },
        { USB_DEVICE_DETAILED(0x317, USB_CLASS_HID, 0, 0) },
        { USB_DEVICE_WACOM(0x4001) },
        { USB_DEVICE_WACOM(0x47) },
        { USB_DEVICE_WACOM(0xF4) },
        { USB_DEVICE_WACOM(0xF8) },
        { USB_DEVICE_DETAILED(0xF6, USB_CLASS_HID, 0, 0) },
        { USB_DEVICE_WACOM(0xFA) },
        { USB_DEVICE_WACOM(0xFB) },
        { USB_DEVICE_WACOM(0x0307) },
        { USB_DEVICE_DETAILED(0x0309, USB_CLASS_HID, 0, 0) },
        { USB_DEVICE_LENOVO(0x6004) },
        { }
};
MODULE_DEVICE_TABLE(usb, wacom_ids);