![Jason Gerecke](/assets/img/avatar_default.png)
Instead of having a single 'input_dev' device that will take either pen or touch data depending on the type of the device, create seperate devices devices for each. By splitting things like this, we can support devices (e.g. the I2C "AES" sensors in some newer tablet PCs) that send both pen and touch reports from a single endpoint. Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
1725 lines
45 KiB
C
1725 lines
45 KiB
C
/*
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* drivers/input/tablet/wacom_sys.c
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*
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* USB Wacom tablet support - system specific code
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*/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include "wacom_wac.h"
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#include "wacom.h"
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#include <linux/input/mt.h>
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#define WAC_MSG_RETRIES 5
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#define WAC_CMD_WL_LED_CONTROL 0x03
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#define WAC_CMD_LED_CONTROL 0x20
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#define WAC_CMD_ICON_START 0x21
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#define WAC_CMD_ICON_XFER 0x23
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#define WAC_CMD_ICON_BT_XFER 0x26
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#define WAC_CMD_RETRIES 10
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#define DEV_ATTR_RW_PERM (S_IRUGO | S_IWUSR | S_IWGRP)
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#define DEV_ATTR_WO_PERM (S_IWUSR | S_IWGRP)
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static int wacom_get_report(struct hid_device *hdev, u8 type, u8 *buf,
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size_t size, unsigned int retries)
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{
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int retval;
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do {
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retval = hid_hw_raw_request(hdev, buf[0], buf, size, type,
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HID_REQ_GET_REPORT);
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} while ((retval == -ETIMEDOUT || retval == -EAGAIN) && --retries);
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if (retval < 0)
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hid_err(hdev, "wacom_get_report: ran out of retries "
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"(last error = %d)\n", retval);
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return retval;
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}
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static int wacom_set_report(struct hid_device *hdev, u8 type, u8 *buf,
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size_t size, unsigned int retries)
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{
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int retval;
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do {
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retval = hid_hw_raw_request(hdev, buf[0], buf, size, type,
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HID_REQ_SET_REPORT);
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} while ((retval == -ETIMEDOUT || retval == -EAGAIN) && --retries);
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if (retval < 0)
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hid_err(hdev, "wacom_set_report: ran out of retries "
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"(last error = %d)\n", retval);
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return retval;
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}
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static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report,
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u8 *raw_data, int size)
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{
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struct wacom *wacom = hid_get_drvdata(hdev);
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if (size > WACOM_PKGLEN_MAX)
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return 1;
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memcpy(wacom->wacom_wac.data, raw_data, size);
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wacom_wac_irq(&wacom->wacom_wac, size);
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return 0;
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}
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static int wacom_open(struct input_dev *dev)
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{
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struct wacom *wacom = input_get_drvdata(dev);
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return hid_hw_open(wacom->hdev);
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}
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static void wacom_close(struct input_dev *dev)
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{
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struct wacom *wacom = input_get_drvdata(dev);
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hid_hw_close(wacom->hdev);
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}
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/*
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* Calculate the resolution of the X or Y axis using hidinput_calc_abs_res.
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*/
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static int wacom_calc_hid_res(int logical_extents, int physical_extents,
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unsigned unit, int exponent)
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{
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struct hid_field field = {
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.logical_maximum = logical_extents,
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.physical_maximum = physical_extents,
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.unit = unit,
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.unit_exponent = exponent,
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};
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return hidinput_calc_abs_res(&field, ABS_X);
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}
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static void wacom_feature_mapping(struct hid_device *hdev,
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struct hid_field *field, struct hid_usage *usage)
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{
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struct wacom *wacom = hid_get_drvdata(hdev);
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struct wacom_features *features = &wacom->wacom_wac.features;
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struct hid_data *hid_data = &wacom->wacom_wac.hid_data;
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u8 *data;
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int ret;
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switch (usage->hid) {
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case HID_DG_CONTACTMAX:
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/* leave touch_max as is if predefined */
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if (!features->touch_max) {
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/* read manually */
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data = kzalloc(2, GFP_KERNEL);
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if (!data)
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break;
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data[0] = field->report->id;
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ret = wacom_get_report(hdev, HID_FEATURE_REPORT,
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data, 2, WAC_CMD_RETRIES);
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if (ret == 2) {
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features->touch_max = data[1];
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} else {
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features->touch_max = 16;
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hid_warn(hdev, "wacom_feature_mapping: "
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"could not get HID_DG_CONTACTMAX, "
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"defaulting to %d\n",
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features->touch_max);
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}
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kfree(data);
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}
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break;
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case HID_DG_INPUTMODE:
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/* Ignore if value index is out of bounds. */
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if (usage->usage_index >= field->report_count) {
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dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n");
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break;
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}
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hid_data->inputmode = field->report->id;
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hid_data->inputmode_index = usage->usage_index;
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break;
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}
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}
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/*
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* Interface Descriptor of wacom devices can be incomplete and
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* inconsistent so wacom_features table is used to store stylus
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* device's packet lengths, various maximum values, and tablet
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* resolution based on product ID's.
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*
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* For devices that contain 2 interfaces, wacom_features table is
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* inaccurate for the touch interface. Since the Interface Descriptor
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* for touch interfaces has pretty complete data, this function exists
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* to query tablet for this missing information instead of hard coding in
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* an additional table.
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*
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* A typical Interface Descriptor for a stylus will contain a
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* boot mouse application collection that is not of interest and this
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* function will ignore it.
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*
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* It also contains a digitizer application collection that also is not
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* of interest since any information it contains would be duplicate
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* of what is in wacom_features. Usually it defines a report of an array
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* of bytes that could be used as max length of the stylus packet returned.
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* If it happens to define a Digitizer-Stylus Physical Collection then
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* the X and Y logical values contain valid data but it is ignored.
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*
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* A typical Interface Descriptor for a touch interface will contain a
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* Digitizer-Finger Physical Collection which will define both logical
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* X/Y maximum as well as the physical size of tablet. Since touch
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* interfaces haven't supported pressure or distance, this is enough
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* information to override invalid values in the wacom_features table.
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*
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* Intuos5 touch interface and 3rd gen Bamboo Touch do not contain useful
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* data. We deal with them after returning from this function.
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*/
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static void wacom_usage_mapping(struct hid_device *hdev,
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struct hid_field *field, struct hid_usage *usage)
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{
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struct wacom *wacom = hid_get_drvdata(hdev);
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struct wacom_features *features = &wacom->wacom_wac.features;
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bool finger = WACOM_FINGER_FIELD(field);
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bool pen = WACOM_PEN_FIELD(field);
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/*
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* Requiring Stylus Usage will ignore boot mouse
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* X/Y values and some cases of invalid Digitizer X/Y
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* values commonly reported.
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*/
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if (pen)
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features->device_type |= WACOM_DEVICETYPE_PEN;
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else if (finger)
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features->device_type |= WACOM_DEVICETYPE_TOUCH;
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else
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return;
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/*
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* Bamboo models do not support HID_DG_CONTACTMAX.
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* And, Bamboo Pen only descriptor contains touch.
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*/
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if (features->type != BAMBOO_PT) {
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/* ISDv4 touch devices at least supports one touch point */
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if (finger && !features->touch_max)
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features->touch_max = 1;
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}
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switch (usage->hid) {
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case HID_GD_X:
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features->x_max = field->logical_maximum;
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if (finger) {
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features->x_phy = field->physical_maximum;
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if (features->type != BAMBOO_PT) {
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features->unit = field->unit;
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features->unitExpo = field->unit_exponent;
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}
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}
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break;
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case HID_GD_Y:
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features->y_max = field->logical_maximum;
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if (finger) {
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features->y_phy = field->physical_maximum;
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if (features->type != BAMBOO_PT) {
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features->unit = field->unit;
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features->unitExpo = field->unit_exponent;
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}
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}
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break;
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case HID_DG_TIPPRESSURE:
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if (pen)
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features->pressure_max = field->logical_maximum;
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break;
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}
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if (features->type == HID_GENERIC)
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wacom_wac_usage_mapping(hdev, field, usage);
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}
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static void wacom_post_parse_hid(struct hid_device *hdev,
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struct wacom_features *features)
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{
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struct wacom *wacom = hid_get_drvdata(hdev);
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struct wacom_wac *wacom_wac = &wacom->wacom_wac;
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if (features->type == HID_GENERIC) {
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/* Any last-minute generic device setup */
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if (features->touch_max > 1) {
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input_mt_init_slots(wacom_wac->touch_input, wacom_wac->features.touch_max,
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INPUT_MT_DIRECT);
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}
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}
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}
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static void wacom_parse_hid(struct hid_device *hdev,
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struct wacom_features *features)
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{
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struct hid_report_enum *rep_enum;
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struct hid_report *hreport;
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int i, j;
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/* check features first */
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rep_enum = &hdev->report_enum[HID_FEATURE_REPORT];
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list_for_each_entry(hreport, &rep_enum->report_list, list) {
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for (i = 0; i < hreport->maxfield; i++) {
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/* Ignore if report count is out of bounds. */
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if (hreport->field[i]->report_count < 1)
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continue;
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for (j = 0; j < hreport->field[i]->maxusage; j++) {
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wacom_feature_mapping(hdev, hreport->field[i],
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hreport->field[i]->usage + j);
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}
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}
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}
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/* now check the input usages */
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rep_enum = &hdev->report_enum[HID_INPUT_REPORT];
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list_for_each_entry(hreport, &rep_enum->report_list, list) {
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if (!hreport->maxfield)
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continue;
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for (i = 0; i < hreport->maxfield; i++)
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for (j = 0; j < hreport->field[i]->maxusage; j++)
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wacom_usage_mapping(hdev, hreport->field[i],
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hreport->field[i]->usage + j);
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}
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wacom_post_parse_hid(hdev, features);
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}
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static int wacom_hid_set_device_mode(struct hid_device *hdev)
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{
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struct wacom *wacom = hid_get_drvdata(hdev);
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struct hid_data *hid_data = &wacom->wacom_wac.hid_data;
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struct hid_report *r;
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struct hid_report_enum *re;
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if (hid_data->inputmode < 0)
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return 0;
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re = &(hdev->report_enum[HID_FEATURE_REPORT]);
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r = re->report_id_hash[hid_data->inputmode];
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if (r) {
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r->field[0]->value[hid_data->inputmode_index] = 2;
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hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
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}
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return 0;
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}
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static int wacom_set_device_mode(struct hid_device *hdev, int report_id,
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int length, int mode)
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{
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unsigned char *rep_data;
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int error = -ENOMEM, limit = 0;
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rep_data = kzalloc(length, GFP_KERNEL);
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if (!rep_data)
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return error;
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do {
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rep_data[0] = report_id;
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rep_data[1] = mode;
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error = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data,
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length, 1);
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if (error >= 0)
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error = wacom_get_report(hdev, HID_FEATURE_REPORT,
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rep_data, length, 1);
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} while ((error < 0 || rep_data[1] != mode) && limit++ < WAC_MSG_RETRIES);
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kfree(rep_data);
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return error < 0 ? error : 0;
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}
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static int wacom_bt_query_tablet_data(struct hid_device *hdev, u8 speed,
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struct wacom_features *features)
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{
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struct wacom *wacom = hid_get_drvdata(hdev);
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int ret;
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u8 rep_data[2];
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switch (features->type) {
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case GRAPHIRE_BT:
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rep_data[0] = 0x03;
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rep_data[1] = 0x00;
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ret = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, 2,
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3);
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if (ret >= 0) {
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rep_data[0] = speed == 0 ? 0x05 : 0x06;
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rep_data[1] = 0x00;
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ret = wacom_set_report(hdev, HID_FEATURE_REPORT,
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rep_data, 2, 3);
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if (ret >= 0) {
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wacom->wacom_wac.bt_high_speed = speed;
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return 0;
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}
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}
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/*
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* Note that if the raw queries fail, it's not a hard failure
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* and it is safe to continue
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*/
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hid_warn(hdev, "failed to poke device, command %d, err %d\n",
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rep_data[0], ret);
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break;
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case INTUOS4WL:
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if (speed == 1)
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wacom->wacom_wac.bt_features &= ~0x20;
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else
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wacom->wacom_wac.bt_features |= 0x20;
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rep_data[0] = 0x03;
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rep_data[1] = wacom->wacom_wac.bt_features;
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ret = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, 2,
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1);
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if (ret >= 0)
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wacom->wacom_wac.bt_high_speed = speed;
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break;
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}
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return 0;
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}
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/*
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* Switch the tablet into its most-capable mode. Wacom tablets are
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* typically configured to power-up in a mode which sends mouse-like
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* reports to the OS. To get absolute position, pressure data, etc.
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* from the tablet, it is necessary to switch the tablet out of this
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* mode and into one which sends the full range of tablet data.
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*/
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static int wacom_query_tablet_data(struct hid_device *hdev,
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struct wacom_features *features)
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{
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if (hdev->bus == BUS_BLUETOOTH)
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return wacom_bt_query_tablet_data(hdev, 1, features);
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if (features->type == HID_GENERIC)
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return wacom_hid_set_device_mode(hdev);
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if (features->device_type & WACOM_DEVICETYPE_TOUCH) {
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if (features->type > TABLETPC) {
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/* MT Tablet PC touch */
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return wacom_set_device_mode(hdev, 3, 4, 4);
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}
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else if (features->type == WACOM_24HDT || features->type == CINTIQ_HYBRID) {
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return wacom_set_device_mode(hdev, 18, 3, 2);
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}
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else if (features->type == WACOM_27QHDT) {
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return wacom_set_device_mode(hdev, 131, 3, 2);
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}
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else if (features->type == BAMBOO_PAD) {
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return wacom_set_device_mode(hdev, 2, 2, 2);
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}
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} else if (features->device_type & WACOM_DEVICETYPE_PEN) {
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if (features->type <= BAMBOO_PT && features->type != WIRELESS) {
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return wacom_set_device_mode(hdev, 2, 2, 2);
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}
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}
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return 0;
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}
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static void wacom_retrieve_hid_descriptor(struct hid_device *hdev,
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struct wacom_features *features)
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{
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struct wacom *wacom = hid_get_drvdata(hdev);
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struct usb_interface *intf = wacom->intf;
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/* default features */
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features->x_fuzz = 4;
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features->y_fuzz = 4;
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features->pressure_fuzz = 0;
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features->distance_fuzz = 0;
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/*
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* The wireless device HID is basic and layout conflicts with
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* other tablets (monitor and touch interface can look like pen).
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* Skip the query for this type and modify defaults based on
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* interface number.
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*/
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if (features->type == WIRELESS) {
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if (intf->cur_altsetting->desc.bInterfaceNumber == 0) {
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features->device_type = WACOM_DEVICETYPE_NONE;
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} else if (intf->cur_altsetting->desc.bInterfaceNumber == 2) {
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features->device_type |= WACOM_DEVICETYPE_TOUCH;
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features->pktlen = WACOM_PKGLEN_BBTOUCH3;
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}
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}
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wacom_parse_hid(hdev, features);
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}
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struct wacom_hdev_data {
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struct list_head list;
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struct kref kref;
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struct hid_device *dev;
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struct wacom_shared shared;
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};
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static LIST_HEAD(wacom_udev_list);
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static DEFINE_MUTEX(wacom_udev_list_lock);
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static bool wacom_are_sibling(struct hid_device *hdev,
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struct hid_device *sibling)
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{
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struct wacom *wacom = hid_get_drvdata(hdev);
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struct wacom_features *features = &wacom->wacom_wac.features;
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int vid = features->oVid;
|
|
int pid = features->oPid;
|
|
int n1,n2;
|
|
|
|
if (vid == 0 && pid == 0) {
|
|
vid = hdev->vendor;
|
|
pid = hdev->product;
|
|
}
|
|
|
|
if (vid != sibling->vendor || pid != sibling->product)
|
|
return false;
|
|
|
|
/* Compare the physical path. */
|
|
n1 = strrchr(hdev->phys, '.') - hdev->phys;
|
|
n2 = strrchr(sibling->phys, '.') - sibling->phys;
|
|
if (n1 != n2 || n1 <= 0 || n2 <= 0)
|
|
return false;
|
|
|
|
return !strncmp(hdev->phys, sibling->phys, n1);
|
|
}
|
|
|
|
static struct wacom_hdev_data *wacom_get_hdev_data(struct hid_device *hdev)
|
|
{
|
|
struct wacom_hdev_data *data;
|
|
|
|
list_for_each_entry(data, &wacom_udev_list, list) {
|
|
if (wacom_are_sibling(hdev, data->dev)) {
|
|
kref_get(&data->kref);
|
|
return data;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int wacom_add_shared_data(struct hid_device *hdev)
|
|
{
|
|
struct wacom *wacom = hid_get_drvdata(hdev);
|
|
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
|
|
struct wacom_hdev_data *data;
|
|
int retval = 0;
|
|
|
|
mutex_lock(&wacom_udev_list_lock);
|
|
|
|
data = wacom_get_hdev_data(hdev);
|
|
if (!data) {
|
|
data = kzalloc(sizeof(struct wacom_hdev_data), GFP_KERNEL);
|
|
if (!data) {
|
|
retval = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
kref_init(&data->kref);
|
|
data->dev = hdev;
|
|
list_add_tail(&data->list, &wacom_udev_list);
|
|
}
|
|
|
|
wacom_wac->shared = &data->shared;
|
|
|
|
if (wacom_wac->features.device_type & WACOM_DEVICETYPE_TOUCH)
|
|
wacom_wac->shared->touch = hdev;
|
|
else if (wacom_wac->features.device_type & WACOM_DEVICETYPE_PEN)
|
|
wacom_wac->shared->pen = hdev;
|
|
|
|
out:
|
|
mutex_unlock(&wacom_udev_list_lock);
|
|
return retval;
|
|
}
|
|
|
|
static void wacom_release_shared_data(struct kref *kref)
|
|
{
|
|
struct wacom_hdev_data *data =
|
|
container_of(kref, struct wacom_hdev_data, kref);
|
|
|
|
mutex_lock(&wacom_udev_list_lock);
|
|
list_del(&data->list);
|
|
mutex_unlock(&wacom_udev_list_lock);
|
|
|
|
kfree(data);
|
|
}
|
|
|
|
static void wacom_remove_shared_data(struct wacom *wacom)
|
|
{
|
|
struct wacom_hdev_data *data;
|
|
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
|
|
|
|
if (wacom_wac->shared) {
|
|
data = container_of(wacom_wac->shared, struct wacom_hdev_data,
|
|
shared);
|
|
|
|
if (wacom_wac->shared->touch == wacom->hdev)
|
|
wacom_wac->shared->touch = NULL;
|
|
else if (wacom_wac->shared->pen == wacom->hdev)
|
|
wacom_wac->shared->pen = NULL;
|
|
|
|
kref_put(&data->kref, wacom_release_shared_data);
|
|
wacom_wac->shared = NULL;
|
|
}
|
|
}
|
|
|
|
static int wacom_led_control(struct wacom *wacom)
|
|
{
|
|
unsigned char *buf;
|
|
int retval;
|
|
unsigned char report_id = WAC_CMD_LED_CONTROL;
|
|
int buf_size = 9;
|
|
|
|
if (wacom->wacom_wac.pid) { /* wireless connected */
|
|
report_id = WAC_CMD_WL_LED_CONTROL;
|
|
buf_size = 13;
|
|
}
|
|
buf = kzalloc(buf_size, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
if (wacom->wacom_wac.features.type >= INTUOS5S &&
|
|
wacom->wacom_wac.features.type <= INTUOSPL) {
|
|
/*
|
|
* Touch Ring and crop mark LED luminance may take on
|
|
* one of four values:
|
|
* 0 = Low; 1 = Medium; 2 = High; 3 = Off
|
|
*/
|
|
int ring_led = wacom->led.select[0] & 0x03;
|
|
int ring_lum = (((wacom->led.llv & 0x60) >> 5) - 1) & 0x03;
|
|
int crop_lum = 0;
|
|
unsigned char led_bits = (crop_lum << 4) | (ring_lum << 2) | (ring_led);
|
|
|
|
buf[0] = report_id;
|
|
if (wacom->wacom_wac.pid) {
|
|
wacom_get_report(wacom->hdev, HID_FEATURE_REPORT,
|
|
buf, buf_size, WAC_CMD_RETRIES);
|
|
buf[0] = report_id;
|
|
buf[4] = led_bits;
|
|
} else
|
|
buf[1] = led_bits;
|
|
}
|
|
else {
|
|
int led = wacom->led.select[0] | 0x4;
|
|
|
|
if (wacom->wacom_wac.features.type == WACOM_21UX2 ||
|
|
wacom->wacom_wac.features.type == WACOM_24HD)
|
|
led |= (wacom->led.select[1] << 4) | 0x40;
|
|
|
|
buf[0] = report_id;
|
|
buf[1] = led;
|
|
buf[2] = wacom->led.llv;
|
|
buf[3] = wacom->led.hlv;
|
|
buf[4] = wacom->led.img_lum;
|
|
}
|
|
|
|
retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, buf_size,
|
|
WAC_CMD_RETRIES);
|
|
kfree(buf);
|
|
|
|
return retval;
|
|
}
|
|
|
|
static int wacom_led_putimage(struct wacom *wacom, int button_id, u8 xfer_id,
|
|
const unsigned len, const void *img)
|
|
{
|
|
unsigned char *buf;
|
|
int i, retval;
|
|
const unsigned chunk_len = len / 4; /* 4 chunks are needed to be sent */
|
|
|
|
buf = kzalloc(chunk_len + 3 , GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
/* Send 'start' command */
|
|
buf[0] = WAC_CMD_ICON_START;
|
|
buf[1] = 1;
|
|
retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, 2,
|
|
WAC_CMD_RETRIES);
|
|
if (retval < 0)
|
|
goto out;
|
|
|
|
buf[0] = xfer_id;
|
|
buf[1] = button_id & 0x07;
|
|
for (i = 0; i < 4; i++) {
|
|
buf[2] = i;
|
|
memcpy(buf + 3, img + i * chunk_len, chunk_len);
|
|
|
|
retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT,
|
|
buf, chunk_len + 3, WAC_CMD_RETRIES);
|
|
if (retval < 0)
|
|
break;
|
|
}
|
|
|
|
/* Send 'stop' */
|
|
buf[0] = WAC_CMD_ICON_START;
|
|
buf[1] = 0;
|
|
wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, 2,
|
|
WAC_CMD_RETRIES);
|
|
|
|
out:
|
|
kfree(buf);
|
|
return retval;
|
|
}
|
|
|
|
static ssize_t wacom_led_select_store(struct device *dev, int set_id,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct hid_device *hdev = container_of(dev, struct hid_device, dev);
|
|
struct wacom *wacom = hid_get_drvdata(hdev);
|
|
unsigned int id;
|
|
int err;
|
|
|
|
err = kstrtouint(buf, 10, &id);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&wacom->lock);
|
|
|
|
wacom->led.select[set_id] = id & 0x3;
|
|
err = wacom_led_control(wacom);
|
|
|
|
mutex_unlock(&wacom->lock);
|
|
|
|
return err < 0 ? err : count;
|
|
}
|
|
|
|
#define DEVICE_LED_SELECT_ATTR(SET_ID) \
|
|
static ssize_t wacom_led##SET_ID##_select_store(struct device *dev, \
|
|
struct device_attribute *attr, const char *buf, size_t count) \
|
|
{ \
|
|
return wacom_led_select_store(dev, SET_ID, buf, count); \
|
|
} \
|
|
static ssize_t wacom_led##SET_ID##_select_show(struct device *dev, \
|
|
struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct hid_device *hdev = container_of(dev, struct hid_device, dev);\
|
|
struct wacom *wacom = hid_get_drvdata(hdev); \
|
|
return scnprintf(buf, PAGE_SIZE, "%d\n", \
|
|
wacom->led.select[SET_ID]); \
|
|
} \
|
|
static DEVICE_ATTR(status_led##SET_ID##_select, DEV_ATTR_RW_PERM, \
|
|
wacom_led##SET_ID##_select_show, \
|
|
wacom_led##SET_ID##_select_store)
|
|
|
|
DEVICE_LED_SELECT_ATTR(0);
|
|
DEVICE_LED_SELECT_ATTR(1);
|
|
|
|
static ssize_t wacom_luminance_store(struct wacom *wacom, u8 *dest,
|
|
const char *buf, size_t count)
|
|
{
|
|
unsigned int value;
|
|
int err;
|
|
|
|
err = kstrtouint(buf, 10, &value);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&wacom->lock);
|
|
|
|
*dest = value & 0x7f;
|
|
err = wacom_led_control(wacom);
|
|
|
|
mutex_unlock(&wacom->lock);
|
|
|
|
return err < 0 ? err : count;
|
|
}
|
|
|
|
#define DEVICE_LUMINANCE_ATTR(name, field) \
|
|
static ssize_t wacom_##name##_luminance_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);\
|
|
struct wacom *wacom = hid_get_drvdata(hdev); \
|
|
\
|
|
return wacom_luminance_store(wacom, &wacom->led.field, \
|
|
buf, count); \
|
|
} \
|
|
static ssize_t wacom_##name##_luminance_show(struct device *dev, \
|
|
struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct wacom *wacom = dev_get_drvdata(dev); \
|
|
return scnprintf(buf, PAGE_SIZE, "%d\n", wacom->led.field); \
|
|
} \
|
|
static DEVICE_ATTR(name##_luminance, DEV_ATTR_RW_PERM, \
|
|
wacom_##name##_luminance_show, \
|
|
wacom_##name##_luminance_store)
|
|
|
|
DEVICE_LUMINANCE_ATTR(status0, llv);
|
|
DEVICE_LUMINANCE_ATTR(status1, hlv);
|
|
DEVICE_LUMINANCE_ATTR(buttons, img_lum);
|
|
|
|
static ssize_t wacom_button_image_store(struct device *dev, int button_id,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct hid_device *hdev = container_of(dev, struct hid_device, dev);
|
|
struct wacom *wacom = hid_get_drvdata(hdev);
|
|
int err;
|
|
unsigned len;
|
|
u8 xfer_id;
|
|
|
|
if (hdev->bus == BUS_BLUETOOTH) {
|
|
len = 256;
|
|
xfer_id = WAC_CMD_ICON_BT_XFER;
|
|
} else {
|
|
len = 1024;
|
|
xfer_id = WAC_CMD_ICON_XFER;
|
|
}
|
|
|
|
if (count != len)
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&wacom->lock);
|
|
|
|
err = wacom_led_putimage(wacom, button_id, xfer_id, len, buf);
|
|
|
|
mutex_unlock(&wacom->lock);
|
|
|
|
return err < 0 ? err : count;
|
|
}
|
|
|
|
#define DEVICE_BTNIMG_ATTR(BUTTON_ID) \
|
|
static ssize_t wacom_btnimg##BUTTON_ID##_store(struct device *dev, \
|
|
struct device_attribute *attr, const char *buf, size_t count) \
|
|
{ \
|
|
return wacom_button_image_store(dev, BUTTON_ID, buf, count); \
|
|
} \
|
|
static DEVICE_ATTR(button##BUTTON_ID##_rawimg, DEV_ATTR_WO_PERM, \
|
|
NULL, wacom_btnimg##BUTTON_ID##_store)
|
|
|
|
DEVICE_BTNIMG_ATTR(0);
|
|
DEVICE_BTNIMG_ATTR(1);
|
|
DEVICE_BTNIMG_ATTR(2);
|
|
DEVICE_BTNIMG_ATTR(3);
|
|
DEVICE_BTNIMG_ATTR(4);
|
|
DEVICE_BTNIMG_ATTR(5);
|
|
DEVICE_BTNIMG_ATTR(6);
|
|
DEVICE_BTNIMG_ATTR(7);
|
|
|
|
static struct attribute *cintiq_led_attrs[] = {
|
|
&dev_attr_status_led0_select.attr,
|
|
&dev_attr_status_led1_select.attr,
|
|
NULL
|
|
};
|
|
|
|
static struct attribute_group cintiq_led_attr_group = {
|
|
.name = "wacom_led",
|
|
.attrs = cintiq_led_attrs,
|
|
};
|
|
|
|
static struct attribute *intuos4_led_attrs[] = {
|
|
&dev_attr_status0_luminance.attr,
|
|
&dev_attr_status1_luminance.attr,
|
|
&dev_attr_status_led0_select.attr,
|
|
&dev_attr_buttons_luminance.attr,
|
|
&dev_attr_button0_rawimg.attr,
|
|
&dev_attr_button1_rawimg.attr,
|
|
&dev_attr_button2_rawimg.attr,
|
|
&dev_attr_button3_rawimg.attr,
|
|
&dev_attr_button4_rawimg.attr,
|
|
&dev_attr_button5_rawimg.attr,
|
|
&dev_attr_button6_rawimg.attr,
|
|
&dev_attr_button7_rawimg.attr,
|
|
NULL
|
|
};
|
|
|
|
static struct attribute_group intuos4_led_attr_group = {
|
|
.name = "wacom_led",
|
|
.attrs = intuos4_led_attrs,
|
|
};
|
|
|
|
static struct attribute *intuos5_led_attrs[] = {
|
|
&dev_attr_status0_luminance.attr,
|
|
&dev_attr_status_led0_select.attr,
|
|
NULL
|
|
};
|
|
|
|
static struct attribute_group intuos5_led_attr_group = {
|
|
.name = "wacom_led",
|
|
.attrs = intuos5_led_attrs,
|
|
};
|
|
|
|
static int wacom_initialize_leds(struct wacom *wacom)
|
|
{
|
|
int error;
|
|
|
|
if (!(wacom->wacom_wac.features.device_type & WACOM_DEVICETYPE_PAD))
|
|
return 0;
|
|
|
|
/* Initialize default values */
|
|
switch (wacom->wacom_wac.features.type) {
|
|
case INTUOS4S:
|
|
case INTUOS4:
|
|
case INTUOS4WL:
|
|
case INTUOS4L:
|
|
wacom->led.select[0] = 0;
|
|
wacom->led.select[1] = 0;
|
|
wacom->led.llv = 10;
|
|
wacom->led.hlv = 20;
|
|
wacom->led.img_lum = 10;
|
|
error = sysfs_create_group(&wacom->hdev->dev.kobj,
|
|
&intuos4_led_attr_group);
|
|
break;
|
|
|
|
case WACOM_24HD:
|
|
case WACOM_21UX2:
|
|
wacom->led.select[0] = 0;
|
|
wacom->led.select[1] = 0;
|
|
wacom->led.llv = 0;
|
|
wacom->led.hlv = 0;
|
|
wacom->led.img_lum = 0;
|
|
|
|
error = sysfs_create_group(&wacom->hdev->dev.kobj,
|
|
&cintiq_led_attr_group);
|
|
break;
|
|
|
|
case INTUOS5S:
|
|
case INTUOS5:
|
|
case INTUOS5L:
|
|
case INTUOSPS:
|
|
case INTUOSPM:
|
|
case INTUOSPL:
|
|
wacom->led.select[0] = 0;
|
|
wacom->led.select[1] = 0;
|
|
wacom->led.llv = 32;
|
|
wacom->led.hlv = 0;
|
|
wacom->led.img_lum = 0;
|
|
|
|
error = sysfs_create_group(&wacom->hdev->dev.kobj,
|
|
&intuos5_led_attr_group);
|
|
break;
|
|
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
if (error) {
|
|
hid_err(wacom->hdev,
|
|
"cannot create sysfs group err: %d\n", error);
|
|
return error;
|
|
}
|
|
wacom_led_control(wacom);
|
|
wacom->led_initialized = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void wacom_destroy_leds(struct wacom *wacom)
|
|
{
|
|
if (!wacom->led_initialized)
|
|
return;
|
|
|
|
if (!(wacom->wacom_wac.features.device_type & WACOM_DEVICETYPE_PAD))
|
|
return;
|
|
|
|
wacom->led_initialized = false;
|
|
|
|
switch (wacom->wacom_wac.features.type) {
|
|
case INTUOS4S:
|
|
case INTUOS4:
|
|
case INTUOS4WL:
|
|
case INTUOS4L:
|
|
sysfs_remove_group(&wacom->hdev->dev.kobj,
|
|
&intuos4_led_attr_group);
|
|
break;
|
|
|
|
case WACOM_24HD:
|
|
case WACOM_21UX2:
|
|
sysfs_remove_group(&wacom->hdev->dev.kobj,
|
|
&cintiq_led_attr_group);
|
|
break;
|
|
|
|
case INTUOS5S:
|
|
case INTUOS5:
|
|
case INTUOS5L:
|
|
case INTUOSPS:
|
|
case INTUOSPM:
|
|
case INTUOSPL:
|
|
sysfs_remove_group(&wacom->hdev->dev.kobj,
|
|
&intuos5_led_attr_group);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static enum power_supply_property wacom_battery_props[] = {
|
|
POWER_SUPPLY_PROP_PRESENT,
|
|
POWER_SUPPLY_PROP_STATUS,
|
|
POWER_SUPPLY_PROP_SCOPE,
|
|
POWER_SUPPLY_PROP_CAPACITY
|
|
};
|
|
|
|
static enum power_supply_property wacom_ac_props[] = {
|
|
POWER_SUPPLY_PROP_PRESENT,
|
|
POWER_SUPPLY_PROP_ONLINE,
|
|
POWER_SUPPLY_PROP_SCOPE,
|
|
};
|
|
|
|
static int wacom_battery_get_property(struct power_supply *psy,
|
|
enum power_supply_property psp,
|
|
union power_supply_propval *val)
|
|
{
|
|
struct wacom *wacom = power_supply_get_drvdata(psy);
|
|
int ret = 0;
|
|
|
|
switch (psp) {
|
|
case POWER_SUPPLY_PROP_PRESENT:
|
|
val->intval = wacom->wacom_wac.bat_connected;
|
|
break;
|
|
case POWER_SUPPLY_PROP_SCOPE:
|
|
val->intval = POWER_SUPPLY_SCOPE_DEVICE;
|
|
break;
|
|
case POWER_SUPPLY_PROP_CAPACITY:
|
|
val->intval =
|
|
wacom->wacom_wac.battery_capacity;
|
|
break;
|
|
case POWER_SUPPLY_PROP_STATUS:
|
|
if (wacom->wacom_wac.bat_charging)
|
|
val->intval = POWER_SUPPLY_STATUS_CHARGING;
|
|
else if (wacom->wacom_wac.battery_capacity == 100 &&
|
|
wacom->wacom_wac.ps_connected)
|
|
val->intval = POWER_SUPPLY_STATUS_FULL;
|
|
else if (wacom->wacom_wac.ps_connected)
|
|
val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
|
|
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 *wacom = power_supply_get_drvdata(psy);
|
|
int ret = 0;
|
|
|
|
switch (psp) {
|
|
case POWER_SUPPLY_PROP_PRESENT:
|
|
/* fall through */
|
|
case POWER_SUPPLY_PROP_ONLINE:
|
|
val->intval = wacom->wacom_wac.ps_connected;
|
|
break;
|
|
case POWER_SUPPLY_PROP_SCOPE:
|
|
val->intval = POWER_SUPPLY_SCOPE_DEVICE;
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int wacom_initialize_battery(struct wacom *wacom)
|
|
{
|
|
static atomic_t battery_no = ATOMIC_INIT(0);
|
|
struct power_supply_config psy_cfg = { .drv_data = wacom, };
|
|
unsigned long n;
|
|
|
|
if (wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) {
|
|
struct power_supply_desc *bat_desc = &wacom->battery_desc;
|
|
struct power_supply_desc *ac_desc = &wacom->ac_desc;
|
|
n = atomic_inc_return(&battery_no) - 1;
|
|
|
|
bat_desc->properties = wacom_battery_props;
|
|
bat_desc->num_properties = ARRAY_SIZE(wacom_battery_props);
|
|
bat_desc->get_property = wacom_battery_get_property;
|
|
sprintf(wacom->wacom_wac.bat_name, "wacom_battery_%ld", n);
|
|
bat_desc->name = wacom->wacom_wac.bat_name;
|
|
bat_desc->type = POWER_SUPPLY_TYPE_BATTERY;
|
|
bat_desc->use_for_apm = 0;
|
|
|
|
ac_desc->properties = wacom_ac_props;
|
|
ac_desc->num_properties = ARRAY_SIZE(wacom_ac_props);
|
|
ac_desc->get_property = wacom_ac_get_property;
|
|
sprintf(wacom->wacom_wac.ac_name, "wacom_ac_%ld", n);
|
|
ac_desc->name = wacom->wacom_wac.ac_name;
|
|
ac_desc->type = POWER_SUPPLY_TYPE_MAINS;
|
|
ac_desc->use_for_apm = 0;
|
|
|
|
wacom->battery = power_supply_register(&wacom->hdev->dev,
|
|
&wacom->battery_desc, &psy_cfg);
|
|
if (IS_ERR(wacom->battery))
|
|
return PTR_ERR(wacom->battery);
|
|
|
|
power_supply_powers(wacom->battery, &wacom->hdev->dev);
|
|
|
|
wacom->ac = power_supply_register(&wacom->hdev->dev,
|
|
&wacom->ac_desc,
|
|
&psy_cfg);
|
|
if (IS_ERR(wacom->ac)) {
|
|
power_supply_unregister(wacom->battery);
|
|
return PTR_ERR(wacom->ac);
|
|
}
|
|
|
|
power_supply_powers(wacom->ac, &wacom->hdev->dev);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void wacom_destroy_battery(struct wacom *wacom)
|
|
{
|
|
if (wacom->battery) {
|
|
power_supply_unregister(wacom->battery);
|
|
wacom->battery = NULL;
|
|
power_supply_unregister(wacom->ac);
|
|
wacom->ac = NULL;
|
|
}
|
|
}
|
|
|
|
static ssize_t wacom_show_speed(struct device *dev,
|
|
struct device_attribute
|
|
*attr, char *buf)
|
|
{
|
|
struct hid_device *hdev = container_of(dev, struct hid_device, dev);
|
|
struct wacom *wacom = hid_get_drvdata(hdev);
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%i\n", wacom->wacom_wac.bt_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);
|
|
struct wacom *wacom = hid_get_drvdata(hdev);
|
|
u8 new_speed;
|
|
|
|
if (kstrtou8(buf, 0, &new_speed))
|
|
return -EINVAL;
|
|
|
|
if (new_speed != 0 && new_speed != 1)
|
|
return -EINVAL;
|
|
|
|
wacom_bt_query_tablet_data(hdev, new_speed, &wacom->wacom_wac.features);
|
|
|
|
return count;
|
|
}
|
|
|
|
static DEVICE_ATTR(speed, DEV_ATTR_RW_PERM,
|
|
wacom_show_speed, wacom_store_speed);
|
|
|
|
static struct input_dev *wacom_allocate_input(struct wacom *wacom)
|
|
{
|
|
struct input_dev *input_dev;
|
|
struct hid_device *hdev = wacom->hdev;
|
|
struct wacom_wac *wacom_wac = &(wacom->wacom_wac);
|
|
|
|
input_dev = input_allocate_device();
|
|
if (!input_dev)
|
|
return NULL;
|
|
|
|
input_dev->name = wacom_wac->pen_name;
|
|
input_dev->phys = hdev->phys;
|
|
input_dev->dev.parent = &hdev->dev;
|
|
input_dev->open = wacom_open;
|
|
input_dev->close = wacom_close;
|
|
input_dev->uniq = hdev->uniq;
|
|
input_dev->id.bustype = hdev->bus;
|
|
input_dev->id.vendor = hdev->vendor;
|
|
input_dev->id.product = wacom_wac->pid ? wacom_wac->pid : hdev->product;
|
|
input_dev->id.version = hdev->version;
|
|
input_set_drvdata(input_dev, wacom);
|
|
|
|
return input_dev;
|
|
}
|
|
|
|
static void wacom_free_inputs(struct wacom *wacom)
|
|
{
|
|
struct wacom_wac *wacom_wac = &(wacom->wacom_wac);
|
|
|
|
if (wacom_wac->pen_input)
|
|
input_free_device(wacom_wac->pen_input);
|
|
if (wacom_wac->touch_input)
|
|
input_free_device(wacom_wac->touch_input);
|
|
if (wacom_wac->pad_input)
|
|
input_free_device(wacom_wac->pad_input);
|
|
wacom_wac->pen_input = NULL;
|
|
wacom_wac->touch_input = NULL;
|
|
wacom_wac->pad_input = NULL;
|
|
}
|
|
|
|
static int wacom_allocate_inputs(struct wacom *wacom)
|
|
{
|
|
struct input_dev *pen_input_dev, *touch_input_dev, *pad_input_dev;
|
|
struct wacom_wac *wacom_wac = &(wacom->wacom_wac);
|
|
|
|
pen_input_dev = wacom_allocate_input(wacom);
|
|
touch_input_dev = wacom_allocate_input(wacom);
|
|
pad_input_dev = wacom_allocate_input(wacom);
|
|
if (!pen_input_dev || !touch_input_dev || !pad_input_dev) {
|
|
wacom_free_inputs(wacom);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
wacom_wac->pen_input = pen_input_dev;
|
|
wacom_wac->touch_input = touch_input_dev;
|
|
wacom_wac->touch_input->name = wacom_wac->touch_name;
|
|
wacom_wac->pad_input = pad_input_dev;
|
|
wacom_wac->pad_input->name = wacom_wac->pad_name;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void wacom_clean_inputs(struct wacom *wacom)
|
|
{
|
|
if (wacom->wacom_wac.pen_input) {
|
|
if (wacom->wacom_wac.pen_registered)
|
|
input_unregister_device(wacom->wacom_wac.pen_input);
|
|
else
|
|
input_free_device(wacom->wacom_wac.pen_input);
|
|
}
|
|
if (wacom->wacom_wac.touch_input) {
|
|
if (wacom->wacom_wac.touch_registered)
|
|
input_unregister_device(wacom->wacom_wac.touch_input);
|
|
else
|
|
input_free_device(wacom->wacom_wac.touch_input);
|
|
}
|
|
if (wacom->wacom_wac.pad_input) {
|
|
if (wacom->wacom_wac.pad_registered)
|
|
input_unregister_device(wacom->wacom_wac.pad_input);
|
|
else
|
|
input_free_device(wacom->wacom_wac.pad_input);
|
|
}
|
|
wacom->wacom_wac.pen_input = NULL;
|
|
wacom->wacom_wac.touch_input = NULL;
|
|
wacom->wacom_wac.pad_input = NULL;
|
|
wacom_destroy_leds(wacom);
|
|
}
|
|
|
|
static int wacom_register_inputs(struct wacom *wacom)
|
|
{
|
|
struct input_dev *pen_input_dev, *touch_input_dev, *pad_input_dev;
|
|
struct wacom_wac *wacom_wac = &(wacom->wacom_wac);
|
|
int error = 0;
|
|
|
|
pen_input_dev = wacom_wac->pen_input;
|
|
touch_input_dev = wacom_wac->touch_input;
|
|
pad_input_dev = wacom_wac->pad_input;
|
|
|
|
if (!pen_input_dev || !touch_input_dev || !pad_input_dev)
|
|
return -EINVAL;
|
|
|
|
error = wacom_setup_pen_input_capabilities(pen_input_dev, wacom_wac);
|
|
if (error) {
|
|
/* no pen in use on this interface */
|
|
input_free_device(pen_input_dev);
|
|
wacom_wac->pen_input = NULL;
|
|
pen_input_dev = NULL;
|
|
} else {
|
|
error = input_register_device(pen_input_dev);
|
|
if (error)
|
|
goto fail_register_pen_input;
|
|
wacom_wac->pen_registered = true;
|
|
}
|
|
|
|
error = wacom_setup_touch_input_capabilities(touch_input_dev, wacom_wac);
|
|
if (error) {
|
|
/* no touch in use on this interface */
|
|
input_free_device(touch_input_dev);
|
|
wacom_wac->touch_input = NULL;
|
|
touch_input_dev = NULL;
|
|
} else {
|
|
error = input_register_device(touch_input_dev);
|
|
if (error)
|
|
goto fail_register_touch_input;
|
|
wacom_wac->touch_registered = true;
|
|
}
|
|
|
|
error = wacom_setup_pad_input_capabilities(pad_input_dev, wacom_wac);
|
|
if (error) {
|
|
/* no pad in use on this interface */
|
|
input_free_device(pad_input_dev);
|
|
wacom_wac->pad_input = NULL;
|
|
pad_input_dev = NULL;
|
|
} else {
|
|
error = input_register_device(pad_input_dev);
|
|
if (error)
|
|
goto fail_register_pad_input;
|
|
wacom_wac->pad_registered = true;
|
|
|
|
error = wacom_initialize_leds(wacom);
|
|
if (error)
|
|
goto fail_leds;
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail_leds:
|
|
input_unregister_device(pad_input_dev);
|
|
pad_input_dev = NULL;
|
|
wacom_wac->pad_registered = false;
|
|
fail_register_pad_input:
|
|
input_unregister_device(touch_input_dev);
|
|
wacom_wac->touch_input = NULL;
|
|
wacom_wac->touch_registered = false;
|
|
fail_register_touch_input:
|
|
input_unregister_device(pen_input_dev);
|
|
wacom_wac->pen_input = NULL;
|
|
wacom_wac->pen_registered = false;
|
|
fail_register_pen_input:
|
|
return error;
|
|
}
|
|
|
|
static void wacom_wireless_work(struct work_struct *work)
|
|
{
|
|
struct wacom *wacom = container_of(work, struct wacom, work);
|
|
struct usb_device *usbdev = wacom->usbdev;
|
|
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
|
|
struct hid_device *hdev1, *hdev2;
|
|
struct wacom *wacom1, *wacom2;
|
|
struct wacom_wac *wacom_wac1, *wacom_wac2;
|
|
int error;
|
|
|
|
/*
|
|
* Regardless if this is a disconnect or a new tablet,
|
|
* remove any existing input and battery devices.
|
|
*/
|
|
|
|
wacom_destroy_battery(wacom);
|
|
|
|
/* Stylus interface */
|
|
hdev1 = usb_get_intfdata(usbdev->config->interface[1]);
|
|
wacom1 = hid_get_drvdata(hdev1);
|
|
wacom_wac1 = &(wacom1->wacom_wac);
|
|
wacom_clean_inputs(wacom1);
|
|
|
|
/* Touch interface */
|
|
hdev2 = usb_get_intfdata(usbdev->config->interface[2]);
|
|
wacom2 = hid_get_drvdata(hdev2);
|
|
wacom_wac2 = &(wacom2->wacom_wac);
|
|
wacom_clean_inputs(wacom2);
|
|
|
|
if (wacom_wac->pid == 0) {
|
|
hid_info(wacom->hdev, "wireless tablet disconnected\n");
|
|
wacom_wac1->shared->type = 0;
|
|
} else {
|
|
const struct hid_device_id *id = wacom_ids;
|
|
|
|
hid_info(wacom->hdev, "wireless tablet connected with PID %x\n",
|
|
wacom_wac->pid);
|
|
|
|
while (id->bus) {
|
|
if (id->vendor == USB_VENDOR_ID_WACOM &&
|
|
id->product == wacom_wac->pid)
|
|
break;
|
|
id++;
|
|
}
|
|
|
|
if (!id->bus) {
|
|
hid_info(wacom->hdev, "ignoring unknown PID.\n");
|
|
return;
|
|
}
|
|
|
|
/* Stylus interface */
|
|
wacom_wac1->features =
|
|
*((struct wacom_features *)id->driver_data);
|
|
wacom_wac1->features.device_type |= WACOM_DEVICETYPE_PEN;
|
|
if (wacom_wac1->features.type != INTUOSHT &&
|
|
wacom_wac1->features.type != BAMBOO_PT)
|
|
wacom_wac1->features.device_type |= WACOM_DEVICETYPE_PAD;
|
|
snprintf(wacom_wac1->pen_name, WACOM_NAME_MAX, "%s (WL) Pen",
|
|
wacom_wac1->features.name);
|
|
snprintf(wacom_wac1->pad_name, WACOM_NAME_MAX, "%s (WL) Pad",
|
|
wacom_wac1->features.name);
|
|
wacom_wac1->shared->touch_max = wacom_wac1->features.touch_max;
|
|
wacom_wac1->shared->type = wacom_wac1->features.type;
|
|
wacom_wac1->pid = wacom_wac->pid;
|
|
error = wacom_allocate_inputs(wacom1) ||
|
|
wacom_register_inputs(wacom1);
|
|
if (error)
|
|
goto fail;
|
|
|
|
/* Touch interface */
|
|
if (wacom_wac1->features.touch_max ||
|
|
wacom_wac1->features.type == INTUOSHT) {
|
|
wacom_wac2->features =
|
|
*((struct wacom_features *)id->driver_data);
|
|
wacom_wac2->features.pktlen = WACOM_PKGLEN_BBTOUCH3;
|
|
wacom_wac2->features.x_max = wacom_wac2->features.y_max = 4096;
|
|
snprintf(wacom_wac2->touch_name, WACOM_NAME_MAX,
|
|
"%s (WL) Finger",wacom_wac2->features.name);
|
|
snprintf(wacom_wac2->pad_name, WACOM_NAME_MAX,
|
|
"%s (WL) Pad",wacom_wac2->features.name);
|
|
if (wacom_wac1->features.touch_max)
|
|
wacom_wac2->features.device_type |= WACOM_DEVICETYPE_TOUCH;
|
|
if (wacom_wac1->features.type == INTUOSHT ||
|
|
wacom_wac1->features.type == BAMBOO_PT)
|
|
wacom_wac2->features.device_type |= WACOM_DEVICETYPE_PAD;
|
|
wacom_wac2->pid = wacom_wac->pid;
|
|
error = wacom_allocate_inputs(wacom2) ||
|
|
wacom_register_inputs(wacom2);
|
|
if (error)
|
|
goto fail;
|
|
|
|
if (wacom_wac1->features.type == INTUOSHT &&
|
|
wacom_wac1->features.touch_max)
|
|
wacom_wac->shared->touch_input = wacom_wac2->touch_input;
|
|
}
|
|
|
|
error = wacom_initialize_battery(wacom);
|
|
if (error)
|
|
goto fail;
|
|
}
|
|
|
|
return;
|
|
|
|
fail:
|
|
wacom_clean_inputs(wacom1);
|
|
wacom_clean_inputs(wacom2);
|
|
return;
|
|
}
|
|
|
|
void wacom_battery_work(struct work_struct *work)
|
|
{
|
|
struct wacom *wacom = container_of(work, struct wacom, work);
|
|
|
|
if ((wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) &&
|
|
!wacom->battery) {
|
|
wacom_initialize_battery(wacom);
|
|
}
|
|
else if (!(wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) &&
|
|
wacom->battery) {
|
|
wacom_destroy_battery(wacom);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Not all devices report physical dimensions from HID.
|
|
* Compute the default from hardcoded logical dimension
|
|
* and resolution before driver overwrites them.
|
|
*/
|
|
static void wacom_set_default_phy(struct wacom_features *features)
|
|
{
|
|
if (features->x_resolution) {
|
|
features->x_phy = (features->x_max * 100) /
|
|
features->x_resolution;
|
|
features->y_phy = (features->y_max * 100) /
|
|
features->y_resolution;
|
|
}
|
|
}
|
|
|
|
static void wacom_calculate_res(struct wacom_features *features)
|
|
{
|
|
/* set unit to "100th of a mm" for devices not reported by HID */
|
|
if (!features->unit) {
|
|
features->unit = 0x11;
|
|
features->unitExpo = -3;
|
|
}
|
|
|
|
features->x_resolution = wacom_calc_hid_res(features->x_max,
|
|
features->x_phy,
|
|
features->unit,
|
|
features->unitExpo);
|
|
features->y_resolution = wacom_calc_hid_res(features->y_max,
|
|
features->y_phy,
|
|
features->unit,
|
|
features->unitExpo);
|
|
}
|
|
|
|
static size_t wacom_compute_pktlen(struct hid_device *hdev)
|
|
{
|
|
struct hid_report_enum *report_enum;
|
|
struct hid_report *report;
|
|
size_t size = 0;
|
|
|
|
report_enum = hdev->report_enum + HID_INPUT_REPORT;
|
|
|
|
list_for_each_entry(report, &report_enum->report_list, list) {
|
|
size_t report_size = hid_report_len(report);
|
|
if (report_size > size)
|
|
size = report_size;
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
static void wacom_update_name(struct wacom *wacom)
|
|
{
|
|
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
|
|
struct wacom_features *features = &wacom_wac->features;
|
|
char name[WACOM_NAME_MAX];
|
|
|
|
/* Generic devices name unspecified */
|
|
if ((features->type == HID_GENERIC) && !strcmp("Wacom HID", features->name)) {
|
|
if (strstr(wacom->hdev->name, "Wacom") ||
|
|
strstr(wacom->hdev->name, "wacom") ||
|
|
strstr(wacom->hdev->name, "WACOM")) {
|
|
/* name is in HID descriptor, use it */
|
|
strlcpy(name, wacom->hdev->name, sizeof(name));
|
|
|
|
/* strip out excess whitespaces */
|
|
while (1) {
|
|
char *gap = strstr(name, " ");
|
|
if (gap == NULL)
|
|
break;
|
|
/* shift everything including the terminator */
|
|
memmove(gap, gap+1, strlen(gap));
|
|
}
|
|
/* get rid of trailing whitespace */
|
|
if (name[strlen(name)-1] == ' ')
|
|
name[strlen(name)-1] = '\0';
|
|
} else {
|
|
/* no meaningful name retrieved. use product ID */
|
|
snprintf(name, sizeof(name),
|
|
"%s %X", features->name, wacom->hdev->product);
|
|
}
|
|
} else {
|
|
strlcpy(name, features->name, sizeof(name));
|
|
}
|
|
|
|
/* Append the device type to the name */
|
|
snprintf(wacom_wac->pen_name, sizeof(wacom_wac->pen_name),
|
|
"%s Pen", name);
|
|
snprintf(wacom_wac->touch_name, sizeof(wacom_wac->touch_name),
|
|
"%s Finger", name);
|
|
snprintf(wacom_wac->pad_name, sizeof(wacom_wac->pad_name),
|
|
"%s Pad", name);
|
|
}
|
|
|
|
static int wacom_probe(struct hid_device *hdev,
|
|
const struct hid_device_id *id)
|
|
{
|
|
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
|
|
struct usb_device *dev = interface_to_usbdev(intf);
|
|
struct wacom *wacom;
|
|
struct wacom_wac *wacom_wac;
|
|
struct wacom_features *features;
|
|
int error;
|
|
unsigned int connect_mask = HID_CONNECT_HIDRAW;
|
|
|
|
if (!id->driver_data)
|
|
return -EINVAL;
|
|
|
|
hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
|
|
|
|
/* hid-core sets this quirk for the boot interface */
|
|
hdev->quirks &= ~HID_QUIRK_NOGET;
|
|
|
|
wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
|
|
if (!wacom)
|
|
return -ENOMEM;
|
|
|
|
hid_set_drvdata(hdev, wacom);
|
|
wacom->hdev = hdev;
|
|
|
|
/* ask for the report descriptor to be loaded by HID */
|
|
error = hid_parse(hdev);
|
|
if (error) {
|
|
hid_err(hdev, "parse failed\n");
|
|
goto fail_parse;
|
|
}
|
|
|
|
wacom_wac = &wacom->wacom_wac;
|
|
wacom_wac->features = *((struct wacom_features *)id->driver_data);
|
|
features = &wacom_wac->features;
|
|
features->pktlen = wacom_compute_pktlen(hdev);
|
|
if (features->pktlen > WACOM_PKGLEN_MAX) {
|
|
error = -EINVAL;
|
|
goto fail_pktlen;
|
|
}
|
|
|
|
if (features->check_for_hid_type && features->hid_type != hdev->type) {
|
|
error = -ENODEV;
|
|
goto fail_type;
|
|
}
|
|
|
|
wacom->usbdev = dev;
|
|
wacom->intf = intf;
|
|
mutex_init(&wacom->lock);
|
|
INIT_WORK(&wacom->work, wacom_wireless_work);
|
|
|
|
if (!(features->quirks & WACOM_QUIRK_NO_INPUT)) {
|
|
error = wacom_allocate_inputs(wacom);
|
|
if (error)
|
|
goto fail_allocate_inputs;
|
|
}
|
|
|
|
/*
|
|
* Bamboo Pad has a generic hid handling for the Pen, and we switch it
|
|
* into debug mode for the touch part.
|
|
* We ignore the other interfaces.
|
|
*/
|
|
if (features->type == BAMBOO_PAD) {
|
|
if (features->pktlen == WACOM_PKGLEN_PENABLED) {
|
|
features->type = HID_GENERIC;
|
|
} else if ((features->pktlen != WACOM_PKGLEN_BPAD_TOUCH) &&
|
|
(features->pktlen != WACOM_PKGLEN_BPAD_TOUCH_USB)) {
|
|
error = -ENODEV;
|
|
goto fail_shared_data;
|
|
}
|
|
}
|
|
|
|
/* set the default size in case we do not get them from hid */
|
|
wacom_set_default_phy(features);
|
|
|
|
/* Retrieve the physical and logical size for touch devices */
|
|
wacom_retrieve_hid_descriptor(hdev, features);
|
|
wacom_setup_device_quirks(wacom);
|
|
|
|
if (features->device_type == WACOM_DEVICETYPE_NONE &&
|
|
features->type != WIRELESS) {
|
|
error = features->type == HID_GENERIC ? -ENODEV : 0;
|
|
|
|
dev_warn(&hdev->dev, "Unknown device_type for '%s'. %s.",
|
|
hdev->name,
|
|
error ? "Ignoring" : "Assuming pen");
|
|
|
|
if (error)
|
|
goto fail_shared_data;
|
|
|
|
features->device_type |= WACOM_DEVICETYPE_PEN;
|
|
}
|
|
|
|
wacom_calculate_res(features);
|
|
|
|
wacom_update_name(wacom);
|
|
|
|
error = wacom_add_shared_data(hdev);
|
|
if (error)
|
|
goto fail_shared_data;
|
|
|
|
if (!(features->quirks & WACOM_QUIRK_MONITOR) &&
|
|
(features->quirks & WACOM_QUIRK_BATTERY)) {
|
|
error = wacom_initialize_battery(wacom);
|
|
if (error)
|
|
goto fail_battery;
|
|
}
|
|
|
|
if (!(features->quirks & WACOM_QUIRK_NO_INPUT)) {
|
|
error = wacom_register_inputs(wacom);
|
|
if (error)
|
|
goto fail_register_inputs;
|
|
}
|
|
|
|
if (hdev->bus == BUS_BLUETOOTH) {
|
|
error = device_create_file(&hdev->dev, &dev_attr_speed);
|
|
if (error)
|
|
hid_warn(hdev,
|
|
"can't create sysfs speed attribute err: %d\n",
|
|
error);
|
|
}
|
|
|
|
if (features->type == HID_GENERIC)
|
|
connect_mask |= HID_CONNECT_DRIVER;
|
|
|
|
/* Regular HID work starts now */
|
|
error = hid_hw_start(hdev, connect_mask);
|
|
if (error) {
|
|
hid_err(hdev, "hw start failed\n");
|
|
goto fail_hw_start;
|
|
}
|
|
|
|
/* Note that if query fails it is not a hard failure */
|
|
wacom_query_tablet_data(hdev, features);
|
|
|
|
if (features->quirks & WACOM_QUIRK_MONITOR)
|
|
error = hid_hw_open(hdev);
|
|
|
|
if (wacom_wac->features.type == INTUOSHT &&
|
|
wacom_wac->features.device_type & WACOM_DEVICETYPE_TOUCH) {
|
|
wacom_wac->shared->touch_input = wacom_wac->touch_input;
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail_hw_start:
|
|
if (hdev->bus == BUS_BLUETOOTH)
|
|
device_remove_file(&hdev->dev, &dev_attr_speed);
|
|
fail_register_inputs:
|
|
wacom_clean_inputs(wacom);
|
|
wacom_destroy_battery(wacom);
|
|
fail_battery:
|
|
wacom_remove_shared_data(wacom);
|
|
fail_shared_data:
|
|
wacom_clean_inputs(wacom);
|
|
fail_allocate_inputs:
|
|
fail_type:
|
|
fail_pktlen:
|
|
fail_parse:
|
|
kfree(wacom);
|
|
hid_set_drvdata(hdev, NULL);
|
|
return error;
|
|
}
|
|
|
|
static void wacom_remove(struct hid_device *hdev)
|
|
{
|
|
struct wacom *wacom = hid_get_drvdata(hdev);
|
|
|
|
hid_hw_stop(hdev);
|
|
|
|
cancel_work_sync(&wacom->work);
|
|
wacom_clean_inputs(wacom);
|
|
if (hdev->bus == BUS_BLUETOOTH)
|
|
device_remove_file(&hdev->dev, &dev_attr_speed);
|
|
wacom_destroy_battery(wacom);
|
|
wacom_remove_shared_data(wacom);
|
|
|
|
hid_set_drvdata(hdev, NULL);
|
|
kfree(wacom);
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int wacom_resume(struct hid_device *hdev)
|
|
{
|
|
struct wacom *wacom = hid_get_drvdata(hdev);
|
|
struct wacom_features *features = &wacom->wacom_wac.features;
|
|
|
|
mutex_lock(&wacom->lock);
|
|
|
|
/* switch to wacom mode first */
|
|
wacom_query_tablet_data(hdev, features);
|
|
wacom_led_control(wacom);
|
|
|
|
mutex_unlock(&wacom->lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int wacom_reset_resume(struct hid_device *hdev)
|
|
{
|
|
return wacom_resume(hdev);
|
|
}
|
|
#endif /* CONFIG_PM */
|
|
|
|
static struct hid_driver wacom_driver = {
|
|
.name = "wacom",
|
|
.id_table = wacom_ids,
|
|
.probe = wacom_probe,
|
|
.remove = wacom_remove,
|
|
.event = wacom_wac_event,
|
|
.report = wacom_wac_report,
|
|
#ifdef CONFIG_PM
|
|
.resume = wacom_resume,
|
|
.reset_resume = wacom_reset_resume,
|
|
#endif
|
|
.raw_event = wacom_raw_event,
|
|
};
|
|
module_hid_driver(wacom_driver);
|
|
|
|
MODULE_VERSION(DRIVER_VERSION);
|
|
MODULE_AUTHOR(DRIVER_AUTHOR);
|
|
MODULE_DESCRIPTION(DRIVER_DESC);
|
|
MODULE_LICENSE(DRIVER_LICENSE);
|