From patchwork Sat Jan 11 14:57:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 11328843 X-Patchwork-Delegate: andy.shevchenko@gmail.com Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 58E9614B4 for ; Sat, 11 Jan 2020 14:57:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 376C42072E for ; Sat, 11 Jan 2020 14:57:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="duAIfecS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730241AbgAKO5x (ORCPT ); Sat, 11 Jan 2020 09:57:53 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:30932 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730280AbgAKO5x (ORCPT ); Sat, 11 Jan 2020 09:57:53 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1578754672; 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=6IIyl7nwLzkMIjP69KzWLUXNNYREWPo9znJtU/sIj/o=; b=duAIfecSUhygFuQdn3GTZXSqBW4t4q4HeKOdMcumT2eGhPniI2QNgsJQhvHIW1zchaJBWL G6sUROPTaQ12r/dJt8ljCS8Id9u/nV1x5ZqSc3+1h9HVZ856HgcPeaAHaOm+BLwt5WQsOI Te5zQMSnUDxXPrI3rdztQxKovLFuaAE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-426-A5kjaX56M6GbHvBdLqSCmQ-1; Sat, 11 Jan 2020 09:57:50 -0500 X-MC-Unique: A5kjaX56M6GbHvBdLqSCmQ-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 1FE49107ACC4; Sat, 11 Jan 2020 14:57:48 +0000 (UTC) Received: from shalem.localdomain.com (ovpn-116-84.ams2.redhat.com [10.36.116.84]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4C21487EC6; Sat, 11 Jan 2020 14:57:44 +0000 (UTC) From: Hans de Goede To: Ard Biesheuvel , Darren Hart , Andy Shevchenko , Luis Chamberlain , Greg Kroah-Hartman , "Rafael J . Wysocki" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , Jonathan Corbet , Dmitry Torokhov Cc: Hans de Goede , Peter Jones , Dave Olsthoorn , x86@kernel.org, platform-driver-x86@vger.kernel.org, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-input@vger.kernel.org, Andy Shevchenko , Ard Biesheuvel Subject: [PATCH v11 10/10] platform/x86: touchscreen_dmi: Add info for the Chuwi Vi8 Plus tablet Date: Sat, 11 Jan 2020 15:57:03 +0100 Message-Id: <20200111145703.533809-11-hdegoede@redhat.com> In-Reply-To: <20200111145703.533809-1-hdegoede@redhat.com> References: <20200111145703.533809-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Sender: platform-driver-x86-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org Add touchscreen info for the Chuwi Vi8 Plus tablet. This tablet uses a Chipone ICN8505 touchscreen controller, with the firmware used by the touchscreen embedded in the EFI firmware. Acked-by: Andy Shevchenko Acked-by: Ard Biesheuvel Signed-off-by: Hans de Goede --- Changes in v7: - Remove PROPERTY_ENTRY_BOOL("efi-embedded-firmware") properties entry, as this is no longer necessary Changes in v6: - Switch from crc sums to SHA256 hashes for the firmware hash --- drivers/platform/x86/touchscreen_dmi.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index 4449e4c0b26b..4a09b479cda5 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -132,6 +132,18 @@ static const struct ts_dmi_data chuwi_vi8_data = { .properties = chuwi_vi8_props, }; +static const struct ts_dmi_data chuwi_vi8_plus_data = { + .embedded_fw = { + .name = "chipone/icn8505-HAMP0002.fw", + .prefix = { 0xb0, 0x07, 0x00, 0x00, 0xe4, 0x07, 0x00, 0x00 }, + .length = 35012, + .sha256 = { 0x93, 0xe5, 0x49, 0xe0, 0xb6, 0xa2, 0xb4, 0xb3, + 0x88, 0x96, 0x34, 0x97, 0x5e, 0xa8, 0x13, 0x78, + 0x72, 0x98, 0xb8, 0x29, 0xeb, 0x5c, 0xa7, 0xf1, + 0x25, 0x13, 0x43, 0xf4, 0x30, 0x7c, 0xfc, 0x7c }, + }, +}; + static const struct property_entry chuwi_vi10_props[] = { PROPERTY_ENTRY_U32("touchscreen-min-x", 0), PROPERTY_ENTRY_U32("touchscreen-min-y", 4), @@ -743,6 +755,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = { DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"), }, }, + { + /* Chuwi Vi8 Plus (CWI519) */ + .driver_data = (void *)&chuwi_vi8_plus_data, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"), + DMI_MATCH(DMI_PRODUCT_NAME, "D2D3_Vi8A1"), + DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), + }, + }, { /* Chuwi Vi10 (CWI505) */ .driver_data = (void *)&chuwi_vi10_data, @@ -1137,6 +1158,9 @@ static int __init ts_dmi_init(void) return 0; /* Not an error */ ts_data = dmi_id->driver_data; + /* Some dmi table entries only provide an efi_embedded_fw_desc */ + if (!ts_data->properties) + return 0; error = bus_register_notifier(&i2c_bus_type, &ts_dmi_notifier); if (error)