From patchwork Tue Aug 3 08:48:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair X-Patchwork-Id: 491108 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 594D3C4320A for ; Tue, 3 Aug 2021 08:49:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4680A6104F for ; Tue, 3 Aug 2021 08:49:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234833AbhHCItm (ORCPT ); Tue, 3 Aug 2021 04:49:42 -0400 Received: from new4-smtp.messagingengine.com ([66.111.4.230]:43351 "EHLO new4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234831AbhHCItl (ORCPT ); Tue, 3 Aug 2021 04:49:41 -0400 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailnew.nyi.internal (Postfix) with ESMTP id 6CEC4580A6F; Tue, 3 Aug 2021 04:49:30 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute1.internal (MEProxy); Tue, 03 Aug 2021 04:49:30 -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=jLYfQBxc5Fss5 wHk6K78mpbcM1U0H/2OtEIpp1nXFxo=; b=KoUaDUdq0JGBRJfCaLpRGFYCR1vHK pECWLeVRHGjYQtdWLREJQBJ0SvKFF2zP5OuHbLu1HI+mZ5dMcbPEYo6oZM0Wy0DD FJopDVRO1JnHMyf6aPANXDRKrwr0tnYCnkyi3UvFdVFoWIQGjWM3h3rwttia062/ 1nFvC30ov6NZZpitt2TMZ6HV/RYA5OrQo/alCp82faCHnHU0JejSYECJ2gnPtOo+ fKtRrRre923/u3mV4VV3EZZL+E6+MnHusnaPcqc8ozpPn2+Hp5ZZTJrs3rUeX5nJ NdvvZasj3AGvEOjk/ou4LEujhTgHIk7HRwKFYG1YS7sJXzs+g+5peHalg== 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=jLYfQBxc5Fss5wHk6K78mpbcM1U0H/2OtEIpp1nXFxo=; b=awA5LDpp 6I3/0FfGrxZ+1Q7Rta4IbB9mTnzP2WD8oWDVxhfWQrfytADuilwTtSkjo9uALLna PI3hF82+OzT0kUjo/1OTj8cLFFLzUpyE8aidLz8v1pkclK7WCDT9Rm2HsKYXNTvb U6fKlRVVG/UJLLZhKoczH7eM8deOMP9CxHEjaMWJTovEGZ2gjSzfVgKis9cQdR4L UgWox0644+f5picRyFkx7r3e5Spjr8DR5893t+UcgHHNnFigpOHgnCzBqb+dvsiV GBy4csxR3tGFk7/iTjMp5tJ39dXx9IjUAHPizWn8Lw9vX2NNGiKhsVd5qT7N9Anw o1Fg7aGfmPDotw== 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 04:49:26 -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 5/9] Input: wacom_i2c - Add support for distance and tilt x/y Date: Tue, 3 Aug 2021 18:48:58 +1000 Message-Id: <20210803084902.336-5-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: devicetree@vger.kernel.org This is based on the out of tree rM2 driver. Signed-off-by: Alistair Francis --- drivers/input/touchscreen/wacom_i2c.c | 34 +++++++++++++++++++++++++-- 1 file changed, 32 insertions(+), 2 deletions(-) diff --git a/drivers/input/touchscreen/wacom_i2c.c b/drivers/input/touchscreen/wacom_i2c.c index b47bc08efdd1..e2449a4fa2e3 100644 --- a/drivers/input/touchscreen/wacom_i2c.c +++ b/drivers/input/touchscreen/wacom_i2c.c @@ -22,12 +22,18 @@ #define WACOM_CMD_QUERY3 0x02 #define WACOM_CMD_THROW0 0x05 #define WACOM_CMD_THROW1 0x00 -#define WACOM_QUERY_SIZE 19 +#define WACOM_QUERY_SIZE 22 + +#define WACOM_DISTANCE_TILT_VERSION 0x30 struct wacom_features { int x_max; int y_max; int pressure_max; + int distance_max; + int distance_physical_max; + int tilt_x_max; + int tilt_y_max; char fw_version; }; @@ -80,6 +86,17 @@ static int wacom_query_device(struct i2c_client *client, features->y_max = get_unaligned_le16(&data[5]); features->pressure_max = get_unaligned_le16(&data[11]); features->fw_version = get_unaligned_le16(&data[13]); + if (features->fw_version >= WACOM_DISTANCE_TILT_VERSION) { + features->distance_max = data[15]; + features->distance_physical_max = data[16]; + features->tilt_x_max = get_unaligned_le16(&data[17]); + features->tilt_y_max = get_unaligned_le16(&data[19]); + } else { + features->distance_max = -1; + features->distance_physical_max = -1; + features->tilt_x_max = -1; + features->tilt_y_max = -1; + } dev_dbg(&client->dev, "x_max:%d, y_max:%d, pressure:%d, fw:%d\n", @@ -97,6 +114,7 @@ static irqreturn_t wacom_i2c_irq(int irq, void *dev_id) u8 *data = wac_i2c->data; unsigned int x, y, pressure; unsigned char tsw, f1, f2, ers; + short tilt_x, tilt_y, distance; int error; error = i2c_master_recv(wac_i2c->client, @@ -111,6 +129,11 @@ static irqreturn_t wacom_i2c_irq(int irq, void *dev_id) x = le16_to_cpup((__le16 *)&data[4]); y = le16_to_cpup((__le16 *)&data[6]); pressure = le16_to_cpup((__le16 *)&data[8]); + distance = data[10]; + + /* Signed */ + tilt_x = le16_to_cpup((__le16 *)&data[11]); + tilt_y = le16_to_cpup((__le16 *)&data[13]); if (!wac_i2c->prox) wac_i2c->tool = (data[3] & 0x0c) ? @@ -125,6 +148,9 @@ static irqreturn_t wacom_i2c_irq(int irq, void *dev_id) input_report_key(input, BTN_STYLUS, f1); input_report_key(input, BTN_STYLUS2, f2); input_report_abs(input, ABS_PRESSURE, pressure); + input_report_abs(input, ABS_DISTANCE, distance); + input_report_abs(input, ABS_TILT_X, tilt_x); + input_report_abs(input, ABS_TILT_Y, tilt_y); input_sync(input); out: @@ -200,7 +226,11 @@ static int wacom_i2c_probe(struct i2c_client *client, input_set_abs_params(input, ABS_Y, 0, features->y_max, 0, 0); input_set_abs_params(input, ABS_PRESSURE, 0, features->pressure_max, 0, 0); - + input_set_abs_params(input, ABS_DISTANCE, 0, features->distance_max, 0, 0); + input_set_abs_params(input, ABS_TILT_X, -features->tilt_x_max, + features->tilt_x_max, 0, 0); + input_set_abs_params(input, ABS_TILT_Y, -features->tilt_y_max, + features->tilt_y_max, 0, 0); input_set_drvdata(input, wac_i2c); error = devm_request_threaded_irq(dev, client->irq, NULL, wacom_i2c_irq,