From patchwork Sun Aug 29 09:19:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair X-Patchwork-Id: 504140 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 799A2C4320E for ; Sun, 29 Aug 2021 09:20:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 65CE260F44 for ; Sun, 29 Aug 2021 09:20:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235013AbhH2JVO (ORCPT ); Sun, 29 Aug 2021 05:21:14 -0400 Received: from new4-smtp.messagingengine.com ([66.111.4.230]:56541 "EHLO new4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235025AbhH2JVM (ORCPT ); Sun, 29 Aug 2021 05:21:12 -0400 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailnew.nyi.internal (Postfix) with ESMTP id 3781B580B11; Sun, 29 Aug 2021 05:20:20 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute3.internal (MEProxy); Sun, 29 Aug 2021 05:20:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alistair23.me; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm2; bh=RTgaVDXWoRXRJ wgIVpmycBU/xv+/gC91Z3TySev1IHA=; b=q+6sEqseAb8AOboKlK3XNpo33fJ5C LOjg6QGmywutNfcm2OGIvX1qnX7wMsPZcZMAXaXvBIthoTfvG+z9juHC6klCFBwb /tt08BKvv6kvfznLn9IMUHQ2oQElj1pM1FBi8H0AgZ8f22JPmEQd4ts+L9NBnjPb GuF/lYvUj9koJZv/lMo0y359lHG3NaOiwrJc+i/8wIsQd0dvclT0R51RVoLgfbAt c+u2RFyufcTfh/03Z6be6Zl34+vUJElLtnvjrbs54XFDrUKDjycK9NajfEkTSd1e uVU/lJQugJCQTHin+lU7LGsbNFglENa45BS8n4UMzf3kh0SNjBzFPQLYw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; bh=RTgaVDXWoRXRJwgIVpmycBU/xv+/gC91Z3TySev1IHA=; b=X5HoutB3 LMo6ClVeRmbi5KWisdg913k2uaFDjh0dGQqcayK23RNEFikyZV2YpbAWxQd5OmsX oUf19y4rL8JVizKgQ2xxjTQxJmh5/qheOjHQGm3tz8RWKkxpbxuU5YSoWgnfNUrE gAcNpB3cy0wKCkffqACcylNkkXRN+ElpBGcBKJYsevqGgTniTBK3CupIRpkt49Y6 W3xKRO0I0xdaxZ5El/tt1Ci+BAkBAVER0P4DW9xxVkJBwEPF5bTjc1KFqiLnf2jy Cl9RLH1jeAyUzFQ3OQaOua5Vmo+xmVcDTxWdv3wQFY1bpD8qaDgSnTKmVoRliNdh 5GHZ7kx3DQ20Xw== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddruddujedguddvucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomheptehlihhsthgrihhrucfhrhgrnhgtihhsuceorghlihhsthgr ihhrsegrlhhishhtrghirhdvfedrmhgvqeenucggtffrrghtthgvrhhnpeeggedtteejke eggeeugfehueevudegvdetjeeviedugedvtdekffekhedtteduhfenucevlhhushhtvghr ufhiiigvpedunecurfgrrhgrmhepmhgrihhlfhhrohhmpegrlhhishhtrghirhesrghlih hsthgrihhrvdefrdhmvg X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sun, 29 Aug 2021 05:20:15 -0400 (EDT) From: Alistair Francis To: dmitry.torokhov@gmail.com, linux-input@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, pinglinux@gmail.com, tatsunosuke.tobita@wacom.com, junkpainting@gmail.com, ping.cheng@wacom.com Cc: linux-kernel@vger.kernel.org, alistair23@gmail.com, robh+dt@kernel.org, devicetree@vger.kernel.org, Alistair Francis Subject: [PATCH v10 07/12] Input: wacom_i2c - Clean up the query device fields Date: Sun, 29 Aug 2021 19:19:20 +1000 Message-Id: <20210829091925.190-9-alistair@alistair23.me> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210829091925.190-1-alistair@alistair23.me> References: <20210829091925.190-1-alistair@alistair23.me> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Improve the query device fields to be more verbose. Signed-off-by: Alistair Francis --- drivers/input/touchscreen/wacom_i2c.c | 63 ++++++++++++++++++--------- 1 file changed, 43 insertions(+), 20 deletions(-) diff --git a/drivers/input/touchscreen/wacom_i2c.c b/drivers/input/touchscreen/wacom_i2c.c index d6036406a9f3..a35d8fda7e7b 100644 --- a/drivers/input/touchscreen/wacom_i2c.c +++ b/drivers/input/touchscreen/wacom_i2c.c @@ -13,16 +13,33 @@ #include #include #include +#include #include #include +// Registers #define WACOM_DESC_REG 0x01 -#define WACOM_CMD_QUERY0 0x04 -#define WACOM_CMD_QUERY1 0x00 -#define WACOM_CMD_QUERY2 0x33 -#define WACOM_CMD_QUERY3 0x02 -#define WACOM_CMD_THROW0 0x05 -#define WACOM_CMD_THROW1 0x00 +#define WACOM_COMMAND_LSB 0x04 +#define WACOM_COMMAND_MSB 0x00 + +#define WACOM_DATA_LSB 0x05 +#define WACOM_DATA_MSB 0x00 + +// Report types +#define REPORT_FEATURE 0x30 + +// Requests / operations +#define OPCODE_GET_REPORT 0x02 + +// Power settings +#define POWER_ON 0x00 +#define POWER_SLEEP 0x01 + +// Input report ids +#define WACOM_PEN_DATA_REPORT 2 +#define WACOM_SHINONOME_REPORT 26 + +#define WACOM_QUERY_REPORT 3 #define WACOM_QUERY_SIZE 22 #define WACOM_MAX_DATA_SIZE_BG9 10 @@ -85,27 +102,30 @@ static int wacom_query_device(struct i2c_client *client, { int ret; u8 cmd_wac_desc[] = {WACOM_DESC_REG, 0x00}; - u8 cmd1[] = { WACOM_CMD_QUERY0, WACOM_CMD_QUERY1, - WACOM_CMD_QUERY2, WACOM_CMD_QUERY3 }; - u8 cmd2[] = { WACOM_CMD_THROW0, WACOM_CMD_THROW1 }; u8 data[WACOM_QUERY_SIZE]; + + u8 get_query_data_cmd[] = { + WACOM_COMMAND_LSB, + WACOM_COMMAND_MSB, + REPORT_FEATURE | WACOM_QUERY_REPORT, + OPCODE_GET_REPORT, + WACOM_DATA_LSB, + WACOM_DATA_MSB, + }; + struct i2c_msg msgs[] = { + // Request reading of feature ReportID: 3 (Pen Query Data) { .addr = client->addr, .flags = 0, - .len = sizeof(cmd1), - .buf = cmd1, - }, - { - .addr = client->addr, - .flags = 0, - .len = sizeof(cmd2), - .buf = cmd2, + .len = sizeof(get_query_data_cmd), + .buf = get_query_data_cmd, }, + // Read 21 bytes { .addr = client->addr, .flags = I2C_M_RD, - .len = sizeof(data), + .len = WACOM_QUERY_SIZE - 1, .buf = data, }, }; @@ -158,9 +178,12 @@ static int wacom_query_device(struct i2c_client *client, } dev_dbg(&client->dev, - "x_max:%d, y_max:%d, pressure:%d, fw:%d\n", + "x_max:%d, y_max:%d, pressure:%d, fw:%d, " + "distance: %d, tilt_x_max: %d, tilt_y_max: %d\n", features->x_max, features->y_max, - features->pressure_max, features->fw_version); + features->pressure_max, features->fw_version, + features->distance_max, + features->tilt_x_max, features->tilt_y_max); return 0; }