From patchwork Fri Oct 4 14:50:56 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 11174771 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 DBBC21599 for ; Fri, 4 Oct 2019 14:52:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C485F2084D for ; Fri, 4 Oct 2019 14:52:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389604AbfJDOwP (ORCPT ); Fri, 4 Oct 2019 10:52:15 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43374 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388870AbfJDOwO (ORCPT ); Fri, 4 Oct 2019 10:52:14 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2373489F39E; Fri, 4 Oct 2019 14:52:14 +0000 (UTC) Received: from dhcp-44-196.space.revspace.nl (ovpn-112-43.ams2.redhat.com [10.36.112.43]) by smtp.corp.redhat.com (Postfix) with ESMTP id D994B5C1D8; Fri, 4 Oct 2019 14:52:06 +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 Subject: [PATCH v7 8/8] platform/x86: touchscreen_dmi: Add info for the Chuwi Vi8 Plus tablet Date: Fri, 4 Oct 2019 16:50:56 +0200 Message-Id: <20191004145056.43267-9-hdegoede@redhat.com> In-Reply-To: <20191004145056.43267-1-hdegoede@redhat.com> References: <20191004145056.43267-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.68]); Fri, 04 Oct 2019 14:52:14 +0000 (UTC) Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@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 8a7d5c8df114..8bfef880e216 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), @@ -709,6 +721,15 @@ 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, @@ -1085,6 +1106,9 @@ 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)