From patchwork Thu Mar 13 14:03:17 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Werner Sembach X-Patchwork-Id: 14015120 Received: from mail.tuxedocomputers.com (mail.tuxedocomputers.com [157.90.84.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 73FFD5FB95; Thu, 13 Mar 2025 14:05:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=157.90.84.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741874707; cv=none; b=LKYqXFuWXs2shDb/iegKIkBpipHPA1CpjWQ23h3kiTj9rsSPo3kkX+6XZ6pc7EHCKAFEUH0siT8AR4oosWCBXaRqVnbEa5tMu65x48+UfCfp92wPdhujOrxbgQ/i3t7AopYyZKTZucCbK3GCE5P6Cs+5g7P2X1VV5+g1LJO/Pmk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741874707; c=relaxed/simple; bh=qlDdxQVPiN4FfSZtOodyeHeFyKktDhsIsXoROIRuojg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hKfekE7lR7ecimOfK8Ky0JQombkTSGdMazwb6c5CYmOEpLfO5hlbH3gXpBpAprq/FMLWV55/ixFTy0DEsAT6QWWsektkZhnNpw12mGRPY6kQRlGY+G1gwMr8xpsmdc5xr4zVjjSzo8K+UvLlmeyuXRht4oL1qjpsNCx9v/meoTI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=tuxedocomputers.com; spf=pass smtp.mailfrom=tuxedocomputers.com; dkim=pass (1024-bit key) header.d=tuxedocomputers.com header.i=@tuxedocomputers.com header.b=bMAgVW00; arc=none smtp.client-ip=157.90.84.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=tuxedocomputers.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxedocomputers.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=tuxedocomputers.com header.i=@tuxedocomputers.com header.b="bMAgVW00" Received: from wse-pc.fritz.box (p5b164989.dip0.t-ipconnect.de [91.22.73.137]) (Authenticated sender: wse@tuxedocomputers.com) by mail.tuxedocomputers.com (Postfix) with ESMTPA id C3AC72FC018A; Thu, 13 Mar 2025 15:05:01 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxedocomputers.com; s=default; t=1741874701; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/Yysuw7xCmQaKFIpjurEZ28pwfZ7+hYBT3cxLVCQV+M=; b=bMAgVW001PatPWO99hTShpIeehFOt715ZArLfNIa6WQtiqcnm4gsr5gaRkEkzGtBOLbL7j xDH5Y+N+NRuHgOesQ5hdG/BjuP4ZMLS/nhXZCV4M6ZfGR6ZB6ZWPPaSP2pB9lGY9EeCJ70 blmNNiVUsd4uYlVfRIea5K4vrKsUlfc= Authentication-Results: mail.tuxedocomputers.com; auth=pass smtp.auth=wse@tuxedocomputers.com smtp.mailfrom=wse@tuxedocomputers.com From: Werner Sembach To: ilpo.jarvinen@linux.intel.com, hdegoede@redhat.com, Werner Sembach Cc: linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org Subject: [PATCH v5 1/1] Input: atkbd - Fix TUXEDO NB02 notebook keyboards touchpad toggle key Date: Thu, 13 Mar 2025 15:03:17 +0100 Message-ID: <20250313140458.621438-2-wse@tuxedocomputers.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250313140458.621438-1-wse@tuxedocomputers.com> References: <20250313140458.621438-1-wse@tuxedocomputers.com> Precedence: bulk X-Mailing-List: platform-driver-x86@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The TUXEDO NB02 notebook keyboards touchpad toggle key sends the PS/2 scancode sequence: 0xe0, 0x5b, // Super down 0x1d, // Control down 0x76, // KEY_ZENKAKUHANKAKU down 0xf6, // KEY_ZENKAKUHANKAKU up 0x9d, // Control up 0xe0, 0xdb // Super up This driver listens to the Control + Super + Hangaku/Zenkaku key sequence to suppresses the Hangaku/Zenkaku keypress and sends a F21 keypress afterwards to conform with established userspace defaults. Note that the Hangaku/Zenkaku scancode used here is usually unused, with real Hangaku/Zenkaku keys using the tilde scancode. Signed-off-by: Werner Sembach --- MAINTAINERS | 6 ++ drivers/platform/x86/Kconfig | 2 + drivers/platform/x86/Makefile | 3 + drivers/platform/x86/tuxedo/Kbuild | 8 ++ drivers/platform/x86/tuxedo/Kconfig | 8 ++ drivers/platform/x86/tuxedo/nb02/Kbuild | 9 ++ drivers/platform/x86/tuxedo/nb02/Kconfig | 17 ++++ drivers/platform/x86/tuxedo/nb02/platform.c | 107 ++++++++++++++++++++ 8 files changed, 160 insertions(+) create mode 100644 drivers/platform/x86/tuxedo/Kbuild create mode 100644 drivers/platform/x86/tuxedo/Kconfig create mode 100644 drivers/platform/x86/tuxedo/nb02/Kbuild create mode 100644 drivers/platform/x86/tuxedo/nb02/Kconfig create mode 100644 drivers/platform/x86/tuxedo/nb02/platform.c diff --git a/MAINTAINERS b/MAINTAINERS index 8e0736dc2ee0e..7139c32e96dc7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -24190,6 +24190,12 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux.git turbostat F: tools/power/x86/turbostat/ F: tools/testing/selftests/turbostat/ +TUXEDO DRIVERS +M: Werner Sembach +L: platform-driver-x86@vger.kernel.org +S: Supported +F: drivers/platform/x86/tuxedo/ + TW5864 VIDEO4LINUX DRIVER M: Bluecherry Maintainers M: Andrey Utkin diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 0258dd879d64b..9b78a1255c08e 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -1199,3 +1199,5 @@ config P2SB The main purpose of this library is to unhide P2SB device in case firmware kept it hidden on some platforms in order to access devices behind it. + +source "drivers/platform/x86/tuxedo/Kconfig" diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile index e1b1429470674..1562dcd7ad9a5 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -153,3 +153,6 @@ obj-$(CONFIG_WINMATE_FM07_KEYS) += winmate-fm07-keys.o # SEL obj-$(CONFIG_SEL3350_PLATFORM) += sel3350-platform.o + +# TUXEDO +obj-y += tuxedo/ diff --git a/drivers/platform/x86/tuxedo/Kbuild b/drivers/platform/x86/tuxedo/Kbuild new file mode 100644 index 0000000000000..1c79b80744d1b --- /dev/null +++ b/drivers/platform/x86/tuxedo/Kbuild @@ -0,0 +1,8 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# +# Copyright (C) 2025 Werner Sembach wse@tuxedocomputers.com +# +# TUXEDO X86 Platform Specific Drivers +# + +obj-y += nb02/ diff --git a/drivers/platform/x86/tuxedo/Kconfig b/drivers/platform/x86/tuxedo/Kconfig new file mode 100644 index 0000000000000..13b484999e333 --- /dev/null +++ b/drivers/platform/x86/tuxedo/Kconfig @@ -0,0 +1,8 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# +# Copyright (C) 2025 Werner Sembach wse@tuxedocomputers.com +# +# TUXEDO X86 Platform Specific Drivers +# + +source "drivers/platform/x86/tuxedo/nb02/Kconfig" diff --git a/drivers/platform/x86/tuxedo/nb02/Kbuild b/drivers/platform/x86/tuxedo/nb02/Kbuild new file mode 100644 index 0000000000000..f56629c8b9dd8 --- /dev/null +++ b/drivers/platform/x86/tuxedo/nb02/Kbuild @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# +# Copyright (C) 2025 Werner Sembach wse@tuxedocomputers.com +# +# TUXEDO X86 Platform Specific Drivers +# + +tuxedo_nb02_platform-y := platform.o +obj-$(CONFIG_TUXEDO_NB02_PLATFORM) += tuxedo_nb02_platform.o diff --git a/drivers/platform/x86/tuxedo/nb02/Kconfig b/drivers/platform/x86/tuxedo/nb02/Kconfig new file mode 100644 index 0000000000000..38cd60c9d4f03 --- /dev/null +++ b/drivers/platform/x86/tuxedo/nb02/Kconfig @@ -0,0 +1,17 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# +# Copyright (C) 2025 Werner Sembach wse@tuxedocomputers.com +# +# TUXEDO X86 Platform Specific Drivers +# + +menuconfig TUXEDO_NB02_PLATFORM + tristate "TUXEDO NB02 Platform Driver" + help + This driver implements miscellaneous things found on TUXEDO Notebooks + with board vendor NB02. For the time being this is only remapping the + touchpad toggle key to something supported by most Linux distros + out-of-the-box and suppressing an unsupported scancode from the + FN-key. + + When compiled as a module it will be called tuxedo_nb02_platform. diff --git a/drivers/platform/x86/tuxedo/nb02/platform.c b/drivers/platform/x86/tuxedo/nb02/platform.c new file mode 100644 index 0000000000000..da67a91a4a129 --- /dev/null +++ b/drivers/platform/x86/tuxedo/nb02/platform.c @@ -0,0 +1,107 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) 2025 Werner Sembach wse@tuxedocomputers.com + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +struct input_dev *idev; + +static void tux_nb02_f21(struct work_struct *work __always_unused) +{ + input_report_key(idev, KEY_F21, 1); + input_report_key(idev, KEY_F21, 0); + input_sync(idev); +} +DECLARE_WORK(tux_nb02_f21_work, tux_nb02_f21); + +static const u8 tux_nb02_touchp_toggle_seq[] = { + 0xe0, 0x5b, // Super down + 0x1d, // Control down + 0x76, // KEY_ZENKAKUHANKAKU down + 0xf6, // KEY_ZENKAKUHANKAKU up + 0x9d, // Control up + 0xe0, 0xdb // Super up +}; + +static bool tux_nb02_i8042_filter(unsigned char data, + unsigned char str, + struct serio *port __always_unused, + void *context __always_unused) +{ + static u8 seq_pos; + + if (unlikely(str & I8042_STR_AUXDATA)) + return false; + + if (unlikely(data == tux_nb02_touchp_toggle_seq[seq_pos])) { + ++seq_pos; + if (unlikely(data == 0x76 || data == 0xf6)) { + return true; + } else if (unlikely(seq_pos == ARRAY_SIZE(tux_nb02_touchp_toggle_seq))) { + schedule_work(&tux_nb02_f21_work); + seq_pos = 0; + } + return false; + } + + seq_pos = 0; + return false; +} + +static const struct dmi_system_id tux_nb02_dmi_string_match[] __initconst = { + { + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TUXEDO"), + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "NB02"), + }, + }, + { } +}; +MODULE_DEVICE_TABLE(dmi, tux_nb02_dmi_string_match); + +static int __init tux_nb02_plat_init(void) +{ + int ret; + + if (!dmi_check_system(tux_nb02_dmi_string_match)) + return -ENODEV; + + idev = input_allocate_device(); + if (!idev) + return -ENOMEM; + + idev->name = "TUXEDO NB02 Platform Keyboard"; + set_bit(EV_KEY, idev->evbit); + set_bit(KEY_F21, idev->keybit); + + ret = input_register_device(idev); + if (ret) { + input_free_device(idev); + return ret; + } + + i8042_install_filter(tux_nb02_i8042_filter, NULL); + + return 0; +} + +static void __exit tux_nb02_plat_exit(void) +{ + i8042_remove_filter(tux_nb02_i8042_filter); + input_unregister_device(idev); +} + +module_init(tux_nb02_plat_init); +module_exit(tux_nb02_plat_exit); + +MODULE_DESCRIPTION("Keyboard fix for TUXEDO NB02 devices"); +MODULE_AUTHOR("Werner Sembach "); +MODULE_LICENSE("GPL");