mirror of
https://github.com/torvalds/linux.git
synced 2024-12-12 22:23:55 +00:00
b0dd72aafd
ret = hid_output_raw_report(A, B, C, HID_FEATURE_REPORT); is equivalent to ret = hid_hw_raw_request(A, B[0], B, C, HID_FEATURE_REPORT, HID_REQ_SET_REPORT); whatever the transport layer is. So use the new API where available Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
974 lines
25 KiB
C
974 lines
25 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 = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2,
|
|
HID_FEATURE_REPORT, HID_REQ_SET_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 = hid_hw_raw_request(hdev, rep_data[0], rep_data, 67,
|
|
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
|
|
}
|
|
|
|
rep_data[0] = WAC_CMD_ICON_START_STOP;
|
|
rep_data[1] = 0;
|
|
|
|
ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2,
|
|
HID_FEATURE_REPORT, HID_REQ_SET_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;
|
|
hid_hw_raw_request(hdev, buf[0], buf, 9, HID_FEATURE_REPORT,
|
|
HID_REQ_SET_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 = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2,
|
|
HID_FEATURE_REPORT, HID_REQ_SET_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 = hid_hw_raw_request(hdev, rep_data[0],
|
|
rep_data, 2, HID_FEATURE_REPORT,
|
|
HID_REQ_SET_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 = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2,
|
|
HID_FEATURE_REPORT, HID_REQ_SET_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");
|