From patchwork Tue Aug 3 08:48:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Francis X-Patchwork-Id: 12415659 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=unavailable 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 AB1ACC4320A for ; Tue, 3 Aug 2021 08:49:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 949CC610A8 for ; Tue, 3 Aug 2021 08:49:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234841AbhHCItt (ORCPT ); Tue, 3 Aug 2021 04:49:49 -0400 Received: from new4-smtp.messagingengine.com ([66.111.4.230]:37927 "EHLO new4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234816AbhHCItq (ORCPT ); Tue, 3 Aug 2021 04:49:46 -0400 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailnew.nyi.internal (Postfix) with ESMTP id D23155809FE; Tue, 3 Aug 2021 04:49:34 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute1.internal (MEProxy); Tue, 03 Aug 2021 04:49:34 -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=fm1; bh=8knOJ7YElFUkD BiiRH7ZJBc2RpziTa8+4Ew7FNGqJ8Y=; b=l7HVrOGYHv0eceIQvRMCd+n2zrz3L W32C+ZyHMp1ckbIzKfswITmv9rwe+sPF7vBXf3dX6vczpOOsS1UgoOhwYEPyTVvo 12K6+xdFr0CeV5kjAg875z9uBu6jL9C2PMM7+50Ry1DBsBqK/xmBENiwfQQlSYLQ wvAJ6BgioRb8xcSQqo1yZ7/IJKDXtbulEvokqQKlGNCEIesh7FnLg54PIaTiJK0k IQd9k/ec1EyOLOmELssU0njLb5DGdACPXs6TczsPi6gw0GwpiafL7nWBzqV5dHT8 /0of9ax+k9CqIx2sVpQWCJIJRp6uKkFPX7aD13ml8n1Lt2nF0yHusPQXw== 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=8knOJ7YElFUkDBiiRH7ZJBc2RpziTa8+4Ew7FNGqJ8Y=; b=XJ2gs9C5 EJwJc3yPSF3mTOJRVPk3AnOV+41lE1CtLtbpb60yUURivHgGwp6hFsQ7u88lMMW7 Sd7YlpPNq+fA8kQIPd9TyMc66P5CMQlxUSpe6jK+9iTX9g2FhrUPlROoBwy1ZgkR JRFDreiZhm1iELeX7iPrDePJwwEeZzR1qmZolruRYHrtypwBlLcgjEIanXJx7Inr zWdkjxKzti1LHxlbkL7gJKy4J6V/h1C826oBN1N1q5qgNhyhdjh8LV6Nwxi4B03v oZbQrauLHYtppebfs0KkQGTBdZLy/ZbDrR6TkYIH1XnvpG0iprtzSMgkfCa0Hzvo N8W8p9q/dhoZ4A== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrieeggddtiecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhephffvufffkffojghfggfgsedtkeertd ertddtnecuhfhrohhmpeetlhhishhtrghirhcuhfhrrghntghishcuoegrlhhishhtrghi rhesrghlihhsthgrihhrvdefrdhmvgeqnecuggftrfgrthhtvghrnhepgeegtdetjeekge eguefgheeuvedugedvteejveeiudegvddtkeffkeehtdetudfhnecuvehluhhsthgvrhfu ihiivgepudenucfrrghrrghmpehmrghilhhfrhhomheprghlihhsthgrihhrsegrlhhish htrghirhdvfedrmhgv X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 3 Aug 2021 04:49:30 -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 v8 6/9] Input: wacom_i2c - Clean up the query device fields Date: Tue, 3 Aug 2021 18:48:59 +1000 Message-Id: <20210803084902.336-6-alistair@alistair23.me> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210803084902.336-1-alistair@alistair23.me> References: <20210803084902.336-1-alistair@alistair23.me> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Improve the query device fields to be more verbose. Signed-off-by: Alistair Francis --- drivers/input/touchscreen/wacom_i2c.c | 64 ++++++++++++++++++--------- 1 file changed, 44 insertions(+), 20 deletions(-) diff --git a/drivers/input/touchscreen/wacom_i2c.c b/drivers/input/touchscreen/wacom_i2c.c index e2449a4fa2e3..49d1c15e623c 100644 --- a/drivers/input/touchscreen/wacom_i2c.c +++ b/drivers/input/touchscreen/wacom_i2c.c @@ -13,15 +13,32 @@ #include #include #include +#include #include #include -#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 +// Registers +#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_DISTANCE_TILT_VERSION 0x30 @@ -51,27 +68,30 @@ static int wacom_query_device(struct i2c_client *client, struct wacom_features *features) { int ret; - 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, }, }; @@ -99,9 +119,13 @@ 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, phys 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->distance_physical_max, + features->tilt_x_max, features->tilt_y_max); return 0; }