From 61598093bbdd283a7edc367d900f223070ead8d2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:03 +0000
Subject: [PATCH] add ax88772C AX88772C_eeprom_tools
---
kernel/drivers/hid/wacom_sys.c | 99 ++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 76 insertions(+), 23 deletions(-)
diff --git a/kernel/drivers/hid/wacom_sys.c b/kernel/drivers/hid/wacom_sys.c
index 152570b..1a7e1d3 100644
--- a/kernel/drivers/hid/wacom_sys.c
+++ b/kernel/drivers/hid/wacom_sys.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* drivers/input/tablet/wacom_sys.c
*
@@ -5,10 +6,6 @@
*/
/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include "wacom_wac.h"
@@ -163,6 +160,9 @@
{
struct wacom *wacom = hid_get_drvdata(hdev);
+ if (wacom->wacom_wac.features.type == BOOTLOADER)
+ return 0;
+
if (size > WACOM_PKGLEN_MAX)
return 1;
@@ -250,6 +250,38 @@
field->usage[i-1].hid == HID_DG_INVERT &&
field->usage[i+1].hid == HID_DG_INRANGE) {
usage->hid = HID_DG_BARRELSWITCH2;
+ }
+ }
+
+ /*
+ * Wacom's AES devices use different vendor-defined usages to
+ * report serial number information compared to their branded
+ * hardware. The usages are also sometimes ill-defined and do
+ * not have the correct logical min/max values set. Lets patch
+ * the descriptor to use the branded usage convention and fix
+ * the errors.
+ */
+ if (usage->hid == WACOM_HID_WT_SERIALNUMBER &&
+ field->report_size == 16 &&
+ field->index + 2 < field->report->maxfield) {
+ struct hid_field *a = field->report->field[field->index + 1];
+ struct hid_field *b = field->report->field[field->index + 2];
+
+ if (a->maxusage > 0 &&
+ a->usage[0].hid == HID_DG_TOOLSERIALNUMBER &&
+ a->report_size == 32 &&
+ b->maxusage > 0 &&
+ b->usage[0].hid == 0xFF000000 &&
+ b->report_size == 8) {
+ features->quirks |= WACOM_QUIRK_AESPEN;
+ usage->hid = WACOM_HID_WD_TOOLTYPE;
+ field->logical_minimum = S16_MIN;
+ field->logical_maximum = S16_MAX;
+ a->logical_minimum = S32_MIN;
+ a->logical_maximum = S32_MAX;
+ b->usage[0].hid = WACOM_HID_WD_SERIALHI;
+ b->logical_minimum = 0;
+ b->logical_maximum = U8_MAX;
}
}
@@ -2095,7 +2127,7 @@
error = wacom_setup_pad_input_capabilities(pad_input_dev, wacom_wac);
if (error) {
- /* no pad in use on this interface */
+ /* no pad events using this interface */
input_free_device(pad_input_dev);
wacom_wac->pad_input = NULL;
pad_input_dev = NULL;
@@ -2387,8 +2419,13 @@
goto fail_quirks;
}
- if (features->device_type & WACOM_DEVICETYPE_WL_MONITOR)
+ if (features->device_type & WACOM_DEVICETYPE_WL_MONITOR) {
error = hid_hw_open(hdev);
+ if (error) {
+ hid_err(hdev, "hw open failed\n");
+ goto fail_quirks;
+ }
+ }
wacom_set_shared_values(wacom_wac);
devres_close_group(&hdev->dev, wacom);
@@ -2492,6 +2529,18 @@
return;
}
+static void wacom_remote_destroy_battery(struct wacom *wacom, int index)
+{
+ struct wacom_remote *remote = wacom->remote;
+
+ if (remote->remotes[index].battery.battery) {
+ devres_release_group(&wacom->hdev->dev,
+ &remote->remotes[index].battery.bat_desc);
+ remote->remotes[index].battery.battery = NULL;
+ remote->remotes[index].active_time = 0;
+ }
+}
+
static void wacom_remote_destroy_one(struct wacom *wacom, unsigned int index)
{
struct wacom_remote *remote = wacom->remote;
@@ -2506,9 +2555,7 @@
remote->remotes[i].registered = false;
spin_unlock_irqrestore(&remote->remote_lock, flags);
- if (remote->remotes[i].battery.battery)
- devres_release_group(&wacom->hdev->dev,
- &remote->remotes[i].battery.bat_desc);
+ wacom_remote_destroy_battery(wacom, i);
if (remote->remotes[i].group.name)
devres_release_group(&wacom->hdev->dev,
@@ -2516,7 +2563,6 @@
remote->remotes[i].serial = 0;
remote->remotes[i].group.name = NULL;
- remote->remotes[i].battery.battery = NULL;
wacom->led.groups[i].select = WACOM_STATUS_UNKNOWN;
}
}
@@ -2601,6 +2647,9 @@
if (remote->remotes[index].battery.battery)
return 0;
+ if (!remote->remotes[index].active_time)
+ return 0;
+
if (wacom->led.groups[index].select == WACOM_STATUS_UNKNOWN)
return 0;
@@ -2616,6 +2665,7 @@
{
struct wacom *wacom = container_of(work, struct wacom, remote_work);
struct wacom_remote *remote = wacom->remote;
+ ktime_t kt = ktime_get();
struct wacom_remote_data data;
unsigned long flags;
unsigned int count;
@@ -2641,6 +2691,10 @@
for (i = 0; i < WACOM_MAX_REMOTES; i++) {
serial = data.remote[i].serial;
if (data.remote[i].connected) {
+
+ if (kt - remote->remotes[i].active_time > WACOM_REMOTE_BATTERY_TIMEOUT
+ && remote->remotes[i].active_time != 0)
+ wacom_remote_destroy_battery(wacom, i);
if (remote->remotes[i].serial == serial) {
wacom_remote_attach_battery(wacom, i);
@@ -2725,14 +2779,12 @@
wacom_wac->features = *((struct wacom_features *)id->driver_data);
features = &wacom_wac->features;
- if (features->check_for_hid_type && features->hid_type != hdev->type) {
- error = -ENODEV;
- goto fail;
- }
+ if (features->check_for_hid_type && features->hid_type != hdev->type)
+ return -ENODEV;
error = wacom_devm_kfifo_alloc(wacom);
if (error)
- goto fail;
+ return error;
wacom_wac->hid_data.inputmode = -1;
wacom_wac->mode_report = -1;
@@ -2751,17 +2803,23 @@
INIT_WORK(&wacom->battery_work, wacom_battery_work);
INIT_WORK(&wacom->remote_work, wacom_remote_work);
INIT_WORK(&wacom->mode_change_work, wacom_mode_change_work);
+ timer_setup(&wacom->idleprox_timer, &wacom_idleprox_timeout, TIMER_DEFERRABLE);
/* ask for the report descriptor to be loaded by HID */
error = hid_parse(hdev);
if (error) {
hid_err(hdev, "parse failed\n");
- goto fail;
+ return error;
+ }
+
+ if (features->type == BOOTLOADER) {
+ hid_warn(hdev, "Using device in hidraw-only mode");
+ return hid_hw_start(hdev, HID_CONNECT_HIDRAW);
}
error = wacom_parse_and_register(wacom, false);
if (error)
- goto fail;
+ return error;
if (hdev->bus == BUS_BLUETOOTH) {
error = device_create_file(&hdev->dev, &dev_attr_speed);
@@ -2772,10 +2830,6 @@
}
return 0;
-
-fail:
- hid_set_drvdata(hdev, NULL);
- return error;
}
static void wacom_remove(struct hid_device *hdev)
@@ -2794,6 +2848,7 @@
cancel_work_sync(&wacom->battery_work);
cancel_work_sync(&wacom->remote_work);
cancel_work_sync(&wacom->mode_change_work);
+ del_timer_sync(&wacom->idleprox_timer);
if (hdev->bus == BUS_BLUETOOTH)
device_remove_file(&hdev->dev, &dev_attr_speed);
@@ -2802,8 +2857,6 @@
if (wacom->wacom_wac.features.type != REMOTE)
wacom_release_resources(wacom);
-
- hid_set_drvdata(hdev, NULL);
}
#ifdef CONFIG_PM
--
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