linux/drivers/hid/hid-wacom.c
Przemo Firszt 9d15762403 HID: wacom: Intuos4 battery charging changes
Intuos4 WL is separately reporting power supply and battery
charging status - now hid-wacom is using that information.
Previously hid-wacom was wrongly treating "battery charging" bit
as "power supply connected". Now it should report battery charging,
battery discharging, battery full and power supply status.

Intuos4 WL sends reports when is in use (obvious) and when unplugging
power supply. If means that if the device is being charged, but it's not
being used it will never report "battery full". The same problem happens
after the device has been connected, but it's not in use - the
battery/ac status will be incorrect. Currently there is no mechanism to
ask the device to send a report containing battery/ac status.

Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-07-04 15:04:47 +02:00

972 lines
24 KiB
C

/*
* Bluetooth Wacom Tablet support
*
* Copyright (c) 1999 Andreas Gal
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
* Copyright (c) 2006-2007 Jiri Kosina
* Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com>
* Copyright (c) 2006 Andrew Zabolotny <zap@homelink.ru>
* Copyright (c) 2009 Bastien Nocera <hadess@hadess.net>
* Copyright (c) 2011 Przemysław Firszt <przemo@firszt.eu>
*/
/*
* 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.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include <linux/leds.h>
#include <linux/slab.h>
#include <linux/power_supply.h>
#include "hid-ids.h"
#define PAD_DEVICE_ID 0x0F
#define WAC_CMD_LED_CONTROL 0x20
#define WAC_CMD_ICON_START_STOP 0x21
#define WAC_CMD_ICON_TRANSFER 0x26
struct wacom_data {
__u16 tool;
__u16 butstate;
__u8 whlstate;
__u8 features;
__u32 id;
__u32 serial;
unsigned char high_speed;
__u8 battery_capacity;
__u8 power_raw;
__u8 ps_connected;
__u8 bat_charging;
struct power_supply battery;
struct power_supply ac;
__u8 led_selector;
struct led_classdev *leds[4];
};
/*percent of battery capacity for Graphire
8th value means AC online and show 100% capacity */
static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 };
/*percent of battery capacity for Intuos4 WL, AC has a separate bit*/
static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 };
static enum power_supply_property wacom_battery_props[] = {
POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_CAPACITY,
POWER_SUPPLY_PROP_SCOPE,
POWER_SUPPLY_PROP_STATUS,
};
static enum power_supply_property wacom_ac_props[] = {
POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_ONLINE,
POWER_SUPPLY_PROP_SCOPE,
};
static void wacom_scramble(__u8 *image)
{
__u16 mask;
__u16 s1;
__u16 s2;
__u16 r1 ;
__u16 r2 ;
__u16 r;
__u8 buf[256];
int i, w, x, y, z;
for (x = 0; x < 32; x++) {
for (y = 0; y < 8; y++)
buf[(8 * x) + (7 - y)] = image[(8 * x) + y];
}
/* Change 76543210 into GECA6420 as required by Intuos4 WL
* HGFEDCBA HFDB7531
*/
for (x = 0; x < 4; x++) {
for (y = 0; y < 4; y++) {
for (z = 0; z < 8; z++) {
mask = 0x0001;
r1 = 0;
r2 = 0;
i = (x << 6) + (y << 4) + z;
s1 = buf[i];
s2 = buf[i+8];
for (w = 0; w < 8; w++) {
r1 |= (s1 & mask);
r2 |= (s2 & mask);
s1 <<= 1;
s2 <<= 1;
mask <<= 2;
}
r = r1 | (r2 << 1);
i = (x << 6) + (y << 4) + (z << 1);
image[i] = 0xFF & r;
image[i+1] = (0xFF00 & r) >> 8;
}
}
}
}
static void wacom_set_image(struct hid_device *hdev, const char *image,
__u8 icon_no)
{
__u8 rep_data[68];
__u8 p[256];
int ret, i, j;
for (i = 0; i < 256; i++)
p[i] = image[i];
rep_data[0] = WAC_CMD_ICON_START_STOP;
rep_data[1] = 0;
ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
HID_FEATURE_REPORT);
if (ret < 0)
goto err;
rep_data[0] = WAC_CMD_ICON_TRANSFER;
rep_data[1] = icon_no & 0x07;
wacom_scramble(p);
for (i = 0; i < 4; i++) {
for (j = 0; j < 64; j++)
rep_data[j + 3] = p[(i << 6) + j];
rep_data[2] = i;
ret = hdev->hid_output_raw_report(hdev, rep_data, 67,
HID_FEATURE_REPORT);
}
rep_data[0] = WAC_CMD_ICON_START_STOP;
rep_data[1] = 0;
ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
HID_FEATURE_REPORT);
err:
return;
}
static void wacom_leds_set_brightness(struct led_classdev *led_dev,
enum led_brightness value)
{
struct device *dev = led_dev->dev->parent;
struct hid_device *hdev;
struct wacom_data *wdata;
unsigned char *buf;
__u8 led = 0;
int i;
hdev = container_of(dev, struct hid_device, dev);
wdata = hid_get_drvdata(hdev);
for (i = 0; i < 4; ++i) {
if (wdata->leds[i] == led_dev)
wdata->led_selector = i;
}
led = wdata->led_selector | 0x04;
buf = kzalloc(9, GFP_KERNEL);
if (buf) {
buf[0] = WAC_CMD_LED_CONTROL;
buf[1] = led;
buf[2] = value >> 2;
buf[3] = value;
/* use fixed brightness for OLEDs */
buf[4] = 0x08;
hdev->hid_output_raw_report(hdev, buf, 9, HID_FEATURE_REPORT);
kfree(buf);
}
return;
}
static enum led_brightness wacom_leds_get_brightness(struct led_classdev *led_dev)
{
struct wacom_data *wdata;
struct device *dev = led_dev->dev->parent;
int value = 0;
int i;
wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev));
for (i = 0; i < 4; ++i) {
if (wdata->leds[i] == led_dev) {
value = wdata->leds[i]->brightness;
break;
}
}
return value;
}
static int wacom_initialize_leds(struct hid_device *hdev)
{
struct wacom_data *wdata = hid_get_drvdata(hdev);
struct led_classdev *led;
struct device *dev = &hdev->dev;
size_t namesz = strlen(dev_name(dev)) + 12;
char *name;
int i, ret;
wdata->led_selector = 0;
for (i = 0; i < 4; i++) {
led = kzalloc(sizeof(struct led_classdev) + namesz, GFP_KERNEL);
if (!led) {
hid_warn(hdev,
"can't allocate memory for LED selector\n");
ret = -ENOMEM;
goto err;
}
name = (void *)&led[1];
snprintf(name, namesz, "%s:selector:%d", dev_name(dev), i);
led->name = name;
led->brightness = 0;
led->max_brightness = 127;
led->brightness_get = wacom_leds_get_brightness;
led->brightness_set = wacom_leds_set_brightness;
wdata->leds[i] = led;
ret = led_classdev_register(dev, wdata->leds[i]);
if (ret) {
wdata->leds[i] = NULL;
kfree(led);
hid_warn(hdev, "can't register LED\n");
goto err;
}
}
err:
return ret;
}
static void wacom_destroy_leds(struct hid_device *hdev)
{
struct wacom_data *wdata = hid_get_drvdata(hdev);
struct led_classdev *led;
int i;
for (i = 0; i < 4; ++i) {
if (wdata->leds[i]) {
led = wdata->leds[i];
wdata->leds[i] = NULL;
led_classdev_unregister(led);
kfree(led);
}
}
}
static int wacom_battery_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
struct wacom_data *wdata = container_of(psy,
struct wacom_data, battery);
int ret = 0;
switch (psp) {
case POWER_SUPPLY_PROP_PRESENT:
val->intval = 1;
break;
case POWER_SUPPLY_PROP_SCOPE:
val->intval = POWER_SUPPLY_SCOPE_DEVICE;
break;
case POWER_SUPPLY_PROP_CAPACITY:
val->intval = wdata->battery_capacity;
break;
case POWER_SUPPLY_PROP_STATUS:
if (wdata->bat_charging)
val->intval = POWER_SUPPLY_STATUS_CHARGING;
else
if (wdata->battery_capacity == 100 && wdata->ps_connected)
val->intval = POWER_SUPPLY_STATUS_FULL;
else
val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static int wacom_ac_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
struct wacom_data *wdata = container_of(psy, struct wacom_data, ac);
int ret = 0;
switch (psp) {
case POWER_SUPPLY_PROP_PRESENT:
/* fall through */
case POWER_SUPPLY_PROP_ONLINE:
val->intval = wdata->ps_connected;
break;
case POWER_SUPPLY_PROP_SCOPE:
val->intval = POWER_SUPPLY_SCOPE_DEVICE;
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static void wacom_set_features(struct hid_device *hdev, u8 speed)
{
struct wacom_data *wdata = hid_get_drvdata(hdev);
int limit, ret;
__u8 rep_data[2];
switch (hdev->product) {
case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH:
rep_data[0] = 0x03 ; rep_data[1] = 0x00;
limit = 3;
do {
ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
HID_FEATURE_REPORT);
} while (ret < 0 && limit-- > 0);
if (ret >= 0) {
if (speed == 0)
rep_data[0] = 0x05;
else
rep_data[0] = 0x06;
rep_data[1] = 0x00;
limit = 3;
do {
ret = hdev->hid_output_raw_report(hdev,
rep_data, 2, HID_FEATURE_REPORT);
} while (ret < 0 && limit-- > 0);
if (ret >= 0) {
wdata->high_speed = speed;
return;
}
}
/*
* Note that if the raw queries fail, it's not a hard failure
* and it is safe to continue
*/
hid_warn(hdev, "failed to poke device, command %d, err %d\n",
rep_data[0], ret);
break;
case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
if (speed == 1)
wdata->features &= ~0x20;
else
wdata->features |= 0x20;
rep_data[0] = 0x03;
rep_data[1] = wdata->features;
ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
HID_FEATURE_REPORT);
if (ret >= 0)
wdata->high_speed = speed;
break;
}
return;
}
static ssize_t wacom_show_speed(struct device *dev,
struct device_attribute
*attr, char *buf)
{
struct wacom_data *wdata = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%i\n", wdata->high_speed);
}
static ssize_t wacom_store_speed(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct hid_device *hdev = container_of(dev, struct hid_device, dev);
int new_speed;
if (sscanf(buf, "%1d", &new_speed ) != 1)
return -EINVAL;
if (new_speed == 0 || new_speed == 1) {
wacom_set_features(hdev, new_speed);
return strnlen(buf, PAGE_SIZE);
} else
return -EINVAL;
}
static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR | S_IWGRP,
wacom_show_speed, wacom_store_speed);
#define WACOM_STORE(OLED_ID) \
static ssize_t wacom_oled##OLED_ID##_store(struct device *dev, \
struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
struct hid_device *hdev = container_of(dev, struct hid_device, \
dev); \
\
if (count != 256) \
return -EINVAL; \
\
wacom_set_image(hdev, buf, OLED_ID); \
\
return count; \
} \
\
static DEVICE_ATTR(oled##OLED_ID##_img, S_IWUSR | S_IWGRP, NULL, \
wacom_oled##OLED_ID##_store)
WACOM_STORE(0);
WACOM_STORE(1);
WACOM_STORE(2);
WACOM_STORE(3);
WACOM_STORE(4);
WACOM_STORE(5);
WACOM_STORE(6);
WACOM_STORE(7);
static int wacom_gr_parse_report(struct hid_device *hdev,
struct wacom_data *wdata,
struct input_dev *input, unsigned char *data)
{
int tool, x, y, rw;
tool = 0;
/* Get X & Y positions */
x = le16_to_cpu(*(__le16 *) &data[2]);
y = le16_to_cpu(*(__le16 *) &data[4]);
/* Get current tool identifier */
if (data[1] & 0x90) { /* If pen is in the in/active area */
switch ((data[1] >> 5) & 3) {
case 0: /* Pen */
tool = BTN_TOOL_PEN;
break;
case 1: /* Rubber */
tool = BTN_TOOL_RUBBER;
break;
case 2: /* Mouse with wheel */
case 3: /* Mouse without wheel */
tool = BTN_TOOL_MOUSE;
break;
}
/* Reset tool if out of active tablet area */
if (!(data[1] & 0x10))
tool = 0;
}
/* If tool changed, notify input subsystem */
if (wdata->tool != tool) {
if (wdata->tool) {
/* Completely reset old tool state */
if (wdata->tool == BTN_TOOL_MOUSE) {
input_report_key(input, BTN_LEFT, 0);
input_report_key(input, BTN_RIGHT, 0);
input_report_key(input, BTN_MIDDLE, 0);
input_report_abs(input, ABS_DISTANCE,
input_abs_get_max(input, ABS_DISTANCE));
} else {
input_report_key(input, BTN_TOUCH, 0);
input_report_key(input, BTN_STYLUS, 0);
input_report_key(input, BTN_STYLUS2, 0);
input_report_abs(input, ABS_PRESSURE, 0);
}
input_report_key(input, wdata->tool, 0);
input_sync(input);
}
wdata->tool = tool;
if (tool)
input_report_key(input, tool, 1);
}
if (tool) {
input_report_abs(input, ABS_X, x);
input_report_abs(input, ABS_Y, y);
switch ((data[1] >> 5) & 3) {
case 2: /* Mouse with wheel */
input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
rw = (data[6] & 0x01) ? -1 :
(data[6] & 0x02) ? 1 : 0;
input_report_rel(input, REL_WHEEL, rw);
/* fall through */
case 3: /* Mouse without wheel */
input_report_key(input, BTN_LEFT, data[1] & 0x01);
input_report_key(input, BTN_RIGHT, data[1] & 0x02);
/* Compute distance between mouse and tablet */
rw = 44 - (data[6] >> 2);
if (rw < 0)
rw = 0;
else if (rw > 31)
rw = 31;
input_report_abs(input, ABS_DISTANCE, rw);
break;
default:
input_report_abs(input, ABS_PRESSURE,
data[6] | (((__u16) (data[1] & 0x08)) << 5));
input_report_key(input, BTN_TOUCH, data[1] & 0x01);
input_report_key(input, BTN_STYLUS, data[1] & 0x02);
input_report_key(input, BTN_STYLUS2, (tool == BTN_TOOL_PEN) && data[1] & 0x04);
break;
}
input_sync(input);
}
/* Report the state of the two buttons at the top of the tablet
* as two extra fingerpad keys (buttons 4 & 5). */
rw = data[7] & 0x03;
if (rw != wdata->butstate) {
wdata->butstate = rw;
input_report_key(input, BTN_0, rw & 0x02);
input_report_key(input, BTN_1, rw & 0x01);
input_report_key(input, BTN_TOOL_FINGER, 0xf0);
input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
input_sync(input);
}
/* Store current battery capacity and power supply state*/
rw = (data[7] >> 2 & 0x07);
if (rw != wdata->power_raw) {
wdata->power_raw = rw;
wdata->battery_capacity = batcap_gr[rw];
if (rw == 7)
wdata->ps_connected = 1;
else
wdata->ps_connected = 0;
}
return 1;
}
static void wacom_i4_parse_button_report(struct wacom_data *wdata,
struct input_dev *input, unsigned char *data)
{
__u16 new_butstate;
__u8 new_whlstate;
__u8 sync = 0;
new_whlstate = data[1];
if (new_whlstate != wdata->whlstate) {
wdata->whlstate = new_whlstate;
if (new_whlstate & 0x80) {
input_report_key(input, BTN_TOUCH, 1);
input_report_abs(input, ABS_WHEEL, (new_whlstate & 0x7f));
input_report_key(input, BTN_TOOL_FINGER, 1);
} else {
input_report_key(input, BTN_TOUCH, 0);
input_report_abs(input, ABS_WHEEL, 0);
input_report_key(input, BTN_TOOL_FINGER, 0);
}
sync = 1;
}
new_butstate = (data[3] << 1) | (data[2] & 0x01);
if (new_butstate != wdata->butstate) {
wdata->butstate = new_butstate;
input_report_key(input, BTN_0, new_butstate & 0x001);
input_report_key(input, BTN_1, new_butstate & 0x002);
input_report_key(input, BTN_2, new_butstate & 0x004);
input_report_key(input, BTN_3, new_butstate & 0x008);
input_report_key(input, BTN_4, new_butstate & 0x010);
input_report_key(input, BTN_5, new_butstate & 0x020);
input_report_key(input, BTN_6, new_butstate & 0x040);
input_report_key(input, BTN_7, new_butstate & 0x080);
input_report_key(input, BTN_8, new_butstate & 0x100);
input_report_key(input, BTN_TOOL_FINGER, 1);
sync = 1;
}
if (sync) {
input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
input_sync(input);
}
}
static void wacom_i4_parse_pen_report(struct wacom_data *wdata,
struct input_dev *input, unsigned char *data)
{
__u16 x, y, pressure;
__u8 distance;
__u8 tilt_x, tilt_y;
switch (data[1]) {
case 0x80: /* Out of proximity report */
input_report_key(input, BTN_TOUCH, 0);
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, wdata->tool, 0);
input_report_abs(input, ABS_MISC, 0);
input_event(input, EV_MSC, MSC_SERIAL, wdata->serial);
wdata->tool = 0;
input_sync(input);
break;
case 0xC2: /* Tool report */
wdata->id = ((data[2] << 4) | (data[3] >> 4) |
((data[7] & 0x0f) << 20) |
((data[8] & 0xf0) << 12));
wdata->serial = ((data[3] & 0x0f) << 28) +
(data[4] << 20) + (data[5] << 12) +
(data[6] << 4) + (data[7] >> 4);
switch (wdata->id) {
case 0x100802:
wdata->tool = BTN_TOOL_PEN;
break;
case 0x10080A:
wdata->tool = BTN_TOOL_RUBBER;
break;
}
break;
default: /* Position/pressure report */
x = data[2] << 9 | data[3] << 1 | ((data[9] & 0x02) >> 1);
y = data[4] << 9 | data[5] << 1 | (data[9] & 0x01);
pressure = (data[6] << 3) | ((data[7] & 0xC0) >> 5)
| (data[1] & 0x01);
distance = (data[9] >> 2) & 0x3f;
tilt_x = ((data[7] << 1) & 0x7e) | (data[8] >> 7);
tilt_y = data[8] & 0x7f;
input_report_key(input, BTN_TOUCH, pressure > 1);
input_report_key(input, BTN_STYLUS, data[1] & 0x02);
input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
input_report_key(input, wdata->tool, 1);
input_report_abs(input, ABS_X, x);
input_report_abs(input, ABS_Y, y);
input_report_abs(input, ABS_PRESSURE, pressure);
input_report_abs(input, ABS_DISTANCE, distance);
input_report_abs(input, ABS_TILT_X, tilt_x);
input_report_abs(input, ABS_TILT_Y, tilt_y);
input_report_abs(input, ABS_MISC, wdata->id);
input_event(input, EV_MSC, MSC_SERIAL, wdata->serial);
input_report_key(input, wdata->tool, 1);
input_sync(input);
break;
}
return;
}
static void wacom_i4_parse_report(struct hid_device *hdev,
struct wacom_data *wdata,
struct input_dev *input, unsigned char *data)
{
switch (data[0]) {
case 0x00: /* Empty report */
break;
case 0x02: /* Pen report */
wacom_i4_parse_pen_report(wdata, input, data);
break;
case 0x03: /* Features Report */
wdata->features = data[2];
break;
case 0x0C: /* Button report */
wacom_i4_parse_button_report(wdata, input, data);
break;
default:
hid_err(hdev, "Unknown report: %d,%d\n", data[0], data[1]);
break;
}
}
static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report,
u8 *raw_data, int size)
{
struct wacom_data *wdata = hid_get_drvdata(hdev);
struct hid_input *hidinput;
struct input_dev *input;
unsigned char *data = (unsigned char *) raw_data;
int i;
__u8 power_raw;
if (!(hdev->claimed & HID_CLAIMED_INPUT))
return 0;
hidinput = list_entry(hdev->inputs.next, struct hid_input, list);
input = hidinput->input;
switch (hdev->product) {
case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH:
if (data[0] == 0x03) {
return wacom_gr_parse_report(hdev, wdata, input, data);
} else {
hid_err(hdev, "Unknown report: %d,%d size:%d\n",
data[0], data[1], size);
return 0;
}
break;
case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
i = 1;
switch (data[0]) {
case 0x04:
wacom_i4_parse_report(hdev, wdata, input, data + i);
i += 10;
/* fall through */
case 0x03:
wacom_i4_parse_report(hdev, wdata, input, data + i);
i += 10;
wacom_i4_parse_report(hdev, wdata, input, data + i);
power_raw = data[i+10];
if (power_raw != wdata->power_raw) {
wdata->power_raw = power_raw;
wdata->battery_capacity = batcap_i4[power_raw & 0x07];
wdata->bat_charging = (power_raw & 0x08) ? 1 : 0;
wdata->ps_connected = (power_raw & 0x10) ? 1 : 0;
}
break;
default:
hid_err(hdev, "Unknown report: %d,%d size:%d\n",
data[0], data[1], size);
return 0;
}
}
return 1;
}
static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage, unsigned long **bit,
int *max)
{
struct input_dev *input = hi->input;
__set_bit(INPUT_PROP_POINTER, input->propbit);
/* Basics */
input->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_REL);
__set_bit(REL_WHEEL, input->relbit);
__set_bit(BTN_TOOL_PEN, input->keybit);
__set_bit(BTN_TOUCH, input->keybit);
__set_bit(BTN_STYLUS, input->keybit);
__set_bit(BTN_STYLUS2, input->keybit);
__set_bit(BTN_LEFT, input->keybit);
__set_bit(BTN_RIGHT, input->keybit);
__set_bit(BTN_MIDDLE, input->keybit);
/* Pad */
input_set_capability(input, EV_MSC, MSC_SERIAL);
__set_bit(BTN_0, input->keybit);
__set_bit(BTN_1, input->keybit);
__set_bit(BTN_TOOL_FINGER, input->keybit);
/* Distance, rubber and mouse */
__set_bit(BTN_TOOL_RUBBER, input->keybit);
__set_bit(BTN_TOOL_MOUSE, input->keybit);
switch (hdev->product) {
case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH:
input_set_abs_params(input, ABS_X, 0, 16704, 4, 0);
input_set_abs_params(input, ABS_Y, 0, 12064, 4, 0);
input_set_abs_params(input, ABS_PRESSURE, 0, 511, 0, 0);
input_set_abs_params(input, ABS_DISTANCE, 0, 32, 0, 0);
break;
case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
__set_bit(ABS_WHEEL, input->absbit);
__set_bit(ABS_MISC, input->absbit);
__set_bit(BTN_2, input->keybit);
__set_bit(BTN_3, input->keybit);
__set_bit(BTN_4, input->keybit);
__set_bit(BTN_5, input->keybit);
__set_bit(BTN_6, input->keybit);
__set_bit(BTN_7, input->keybit);
__set_bit(BTN_8, input->keybit);
input_set_abs_params(input, ABS_WHEEL, 0, 71, 0, 0);
input_set_abs_params(input, ABS_X, 0, 40640, 4, 0);
input_set_abs_params(input, ABS_Y, 0, 25400, 4, 0);
input_set_abs_params(input, ABS_PRESSURE, 0, 2047, 0, 0);
input_set_abs_params(input, ABS_DISTANCE, 0, 63, 0, 0);
input_set_abs_params(input, ABS_TILT_X, 0, 127, 0, 0);
input_set_abs_params(input, ABS_TILT_Y, 0, 127, 0, 0);
break;
}
return 0;
}
static int wacom_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
struct wacom_data *wdata;
int ret;
wdata = kzalloc(sizeof(*wdata), GFP_KERNEL);
if (wdata == NULL) {
hid_err(hdev, "can't alloc wacom descriptor\n");
return -ENOMEM;
}
hid_set_drvdata(hdev, wdata);
/* Parse the HID report now */
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
goto err_free;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret) {
hid_err(hdev, "hw start failed\n");
goto err_free;
}
ret = device_create_file(&hdev->dev, &dev_attr_speed);
if (ret)
hid_warn(hdev,
"can't create sysfs speed attribute err: %d\n", ret);
#define OLED_INIT(OLED_ID) \
do { \
ret = device_create_file(&hdev->dev, \
&dev_attr_oled##OLED_ID##_img); \
if (ret) \
hid_warn(hdev, \
"can't create sysfs oled attribute, err: %d\n", ret);\
} while (0)
OLED_INIT(0);
OLED_INIT(1);
OLED_INIT(2);
OLED_INIT(3);
OLED_INIT(4);
OLED_INIT(5);
OLED_INIT(6);
OLED_INIT(7);
wdata->features = 0;
wacom_set_features(hdev, 1);
if (hdev->product == USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) {
sprintf(hdev->name, "%s", "Wacom Intuos4 WL");
ret = wacom_initialize_leds(hdev);
if (ret)
hid_warn(hdev,
"can't create led attribute, err: %d\n", ret);
}
wdata->battery.properties = wacom_battery_props;
wdata->battery.num_properties = ARRAY_SIZE(wacom_battery_props);
wdata->battery.get_property = wacom_battery_get_property;
wdata->battery.name = "wacom_battery";
wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY;
wdata->battery.use_for_apm = 0;
ret = power_supply_register(&hdev->dev, &wdata->battery);
if (ret) {
hid_err(hdev, "can't create sysfs battery attribute, err: %d\n",
ret);
goto err_battery;
}
power_supply_powers(&wdata->battery, &hdev->dev);
wdata->ac.properties = wacom_ac_props;
wdata->ac.num_properties = ARRAY_SIZE(wacom_ac_props);
wdata->ac.get_property = wacom_ac_get_property;
wdata->ac.name = "wacom_ac";
wdata->ac.type = POWER_SUPPLY_TYPE_MAINS;
wdata->ac.use_for_apm = 0;
ret = power_supply_register(&hdev->dev, &wdata->ac);
if (ret) {
hid_err(hdev,
"can't create ac battery attribute, err: %d\n", ret);
goto err_ac;
}
power_supply_powers(&wdata->ac, &hdev->dev);
return 0;
err_ac:
power_supply_unregister(&wdata->battery);
err_battery:
wacom_destroy_leds(hdev);
device_remove_file(&hdev->dev, &dev_attr_oled0_img);
device_remove_file(&hdev->dev, &dev_attr_oled1_img);
device_remove_file(&hdev->dev, &dev_attr_oled2_img);
device_remove_file(&hdev->dev, &dev_attr_oled3_img);
device_remove_file(&hdev->dev, &dev_attr_oled4_img);
device_remove_file(&hdev->dev, &dev_attr_oled5_img);
device_remove_file(&hdev->dev, &dev_attr_oled6_img);
device_remove_file(&hdev->dev, &dev_attr_oled7_img);
device_remove_file(&hdev->dev, &dev_attr_speed);
hid_hw_stop(hdev);
err_free:
kfree(wdata);
return ret;
}
static void wacom_remove(struct hid_device *hdev)
{
struct wacom_data *wdata = hid_get_drvdata(hdev);
wacom_destroy_leds(hdev);
device_remove_file(&hdev->dev, &dev_attr_oled0_img);
device_remove_file(&hdev->dev, &dev_attr_oled1_img);
device_remove_file(&hdev->dev, &dev_attr_oled2_img);
device_remove_file(&hdev->dev, &dev_attr_oled3_img);
device_remove_file(&hdev->dev, &dev_attr_oled4_img);
device_remove_file(&hdev->dev, &dev_attr_oled5_img);
device_remove_file(&hdev->dev, &dev_attr_oled6_img);
device_remove_file(&hdev->dev, &dev_attr_oled7_img);
device_remove_file(&hdev->dev, &dev_attr_speed);
hid_hw_stop(hdev);
power_supply_unregister(&wdata->battery);
power_supply_unregister(&wdata->ac);
kfree(hid_get_drvdata(hdev));
}
static const struct hid_device_id wacom_devices[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
{ }
};
MODULE_DEVICE_TABLE(hid, wacom_devices);
static struct hid_driver wacom_driver = {
.name = "wacom",
.id_table = wacom_devices,
.probe = wacom_probe,
.remove = wacom_remove,
.raw_event = wacom_raw_event,
.input_mapped = wacom_input_mapped,
};
module_hid_driver(wacom_driver);
MODULE_DESCRIPTION("Driver for Wacom Graphire Bluetooth and Wacom Intuos4 WL");
MODULE_LICENSE("GPL");