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Date: Thu, 31 Jul 2014 15:32:03 -0400
From: Benjamin Tissoires <benjamin.tissoires@...hat.com>
To: Przemo Firszt <przemo@...szt.eu>
Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>,
Jiri Kosina <jkosina@...e.cz>,
Ping Cheng <pinglinux@...il.com>,
Jason Gerecke <killertofu@...il.com>,
linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: [PATCH v3 7/7] HID: remove hid-wacom Bluetooth driver
On Jul 31 2014 or thereabouts, Przemo Firszt wrote:
> Hi Benjamin,
> Look like you pressed "y" when git send-email asked for charset:
hehe, yep, sorry. I should have read the message before hitting 'y' :)
>
> Content-Type: text/plain; charset=y
>
> It kills git am:
>
> > fedora-lan:/home/przemo/sf/wacom-kernel
> > $ git am ../linux-next/\[PATCH_v3_*
> > Applying: Input - wacom: prepare the driver to include BT devices
> > Applying: Input - wacom: handle Graphire BT tablets in wacom.ko
> > Applying: Input - wacom: handle Intuos 4 BT in wacom.ko
> > Applying: Input - wacom: Check for bluetooth protocol while setting OLEDs
> > Applying: Input - wacom: Remove passing id for wacom_set_report
> > Applying: Input - wacom: add copyright note and bump version to 2.0
> > fatal: cannot convert from y to UTF-8
Replacing "charset=y" by "charset=UTF-8" should allow you to apply the
patch.
>
> The rest of patches is OK, I'm testing them now.
Cool, thanks.
Cheers,
Benjamin
>
> Dnia 2014-07-29, wto o godzinie 14:43 -0400, Benjamin Tissoires pisze:
> > Bluetooth Wacom tablets are now handled by the regular wacom.ko driver.
> > Remove the now useless hid-wacom driver.
> >
> > Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
> > ---
> > drivers/hid/Kconfig | 10 +-
> > drivers/hid/Makefile | 3 +-
> > drivers/hid/hid-wacom.c | 971 ------------------------------------------------
> > 3 files changed, 2 insertions(+), 982 deletions(-)
> > delete mode 100644 drivers/hid/hid-wacom.c
> >
> > diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
> > index b18bae6..354122b 100644
> > --- a/drivers/hid/Kconfig
> > +++ b/drivers/hid/Kconfig
> > @@ -762,21 +762,13 @@ config THRUSTMASTER_FF
> > Rumble Force or Force Feedback Wheel.
> >
> > config HID_WACOM
> > - tristate "Wacom Bluetooth devices support"
> > - depends on HID
> > - depends on LEDS_CLASS
> > - select POWER_SUPPLY
> > - ---help---
> > - Support for Wacom Graphire Bluetooth and Intuos4 WL tablets.
> > -
> > -config HID_USB_WACOM
> > tristate "Wacom Intuos/Graphire tablet support (USB)"
> > depends on HID
> > select POWER_SUPPLY
> > select NEW_LEDS
> > select LEDS_CLASS
> > help
> > - Say Y here if you want to use the USB version of the Wacom Intuos
> > + Say Y here if you want to use the USB or BT version of the Wacom Intuos
> > or Graphire tablet.
> >
> > To compile this driver as a module, choose M here: the
> > diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
> > index 19ba7c3..2d7e149 100644
> > --- a/drivers/hid/Makefile
> > +++ b/drivers/hid/Makefile
> > @@ -116,10 +116,9 @@ obj-$(CONFIG_HID_UCLOGIC) += hid-uclogic.o
> > obj-$(CONFIG_HID_XINMO) += hid-xinmo.o
> > obj-$(CONFIG_HID_ZEROPLUS) += hid-zpff.o
> > obj-$(CONFIG_HID_ZYDACRON) += hid-zydacron.o
> > -obj-$(CONFIG_HID_WACOM) += hid-wacom.o
> >
> > wacom-objs := wacom_wac.o wacom_sys.o
> > -obj-$(CONFIG_HID_USB_WACOM) += wacom.o
> > +obj-$(CONFIG_HID_WACOM) += wacom.o
> > obj-$(CONFIG_HID_WALTOP) += hid-waltop.o
> > obj-$(CONFIG_HID_WIIMOTE) += hid-wiimote.o
> > obj-$(CONFIG_HID_SENSOR_HUB) += hid-sensor-hub.o
> > diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
> > deleted file mode 100644
> > index db2d07d..0000000
> > --- a/drivers/hid/hid-wacom.c
> > +++ /dev/null
> > @@ -1,971 +0,0 @@
> > -/*
> > - * Bluetooth Wacom Tablet support
> > - *
> > - * Copyright (c) 1999 Andreas Gal
> > - * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@...e.cz>
> > - * Copyright (c) 2005 Michael Haboustak <mike-@...ci.rr.com> for Concept2, Inc
> > - * Copyright (c) 2006-2007 Jiri Kosina
> > - * Copyright (c) 2008 Jiri Slaby <jirislaby@...il.com>
> > - * Copyright (c) 2006 Andrew Zabolotny <zap@...elink.ru>
> > - * Copyright (c) 2009 Bastien Nocera <hadess@...ess.net>
> > - * Copyright (c) 2011 Przemysław Firszt <przemo@...szt.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[] = {
> > -
> > - { }
> > -};
> > -MODULE_DEVICE_TABLE(hid, wacom_devices);
> > -
> > -static struct hid_driver wacom_driver = {
> > - .name = "hid-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");
>
> --
> Kind regards,
> Przemo Firszt
>
>
--
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