From patchwork Wed May 26 02:53:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "simba.hsu" X-Patchwork-Id: 12280535 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 B369BC47087 for ; Wed, 26 May 2021 02:55:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A76561436 for ; Wed, 26 May 2021 02:55:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230075AbhEZC5M (ORCPT ); Tue, 25 May 2021 22:57:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45358 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229750AbhEZC5L (ORCPT ); Tue, 25 May 2021 22:57:11 -0400 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 96CDDC061574 for ; Tue, 25 May 2021 19:55:39 -0700 (PDT) Received: by mail-pl1-x62d.google.com with SMTP id 69so17397706plc.5 for ; Tue, 25 May 2021 19:55:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=raydium-corp-partner-google-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=1jpht/8/Fp8Mx3c3AAcQfzzXctquL9RKvRYq4W50Glk=; b=qD4/Z8QL6XmCTIQTnjLal+ZiPbGmxQoBXWr2mLxGLzZrp0Gx1AksVsG9vkOIDI0OS8 wylbQctflsyF492Zl8v1C6sa7z2TpAtigtO77JL00OvElWO5otj1TAyF7hT/7EDcuDSh JO1Q/b0bka0JXpWI6JE52QMFhbZJx1055beuX5uo3JhEFtA5rwr6XEBN15BaVJQXqvYM eoe1XMGIJ29sf2xjQFeeZ2SGYAnGvxiQQLuBNf8ydZOmGKfFRJO6pYysNSI1g+WtWXEW nD1WHb4/bMFWRqu/cimpOWl6PLY+CuHm0UkIpk86J5iECpUxw48CtwZIfibQu46hzzxD xVkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=1jpht/8/Fp8Mx3c3AAcQfzzXctquL9RKvRYq4W50Glk=; b=AhB73rD8bJsSaGv7pelBsQnb6qvk6sEzE8czYij3841Lsvjzx+ydmeVRmaBTD5vCX4 sR5lWXBWLs+a6lFZu3QPrSqtce1PSw1xb/G9/oW5ZiPnabw36w0vjAs657P6YRQebCk9 xYObAPtrd/Tq6hP5ovecdHUEwNUp48gXIFr+/MWDw5nLmNj1CF3NgTvLiAGYrY4q97V1 zTQrdiUhUT0DWBftwsEMkLy12W77U8KWsLwuX/zALM4suEwzYuxfc6zHoBI2PTNXPZ6W 1IUKZBkg+2/cBsjMgeg7dRBpQ52zrcMI9iu78F1g+F8/MQVmyt+iRG53xky0N13MxHVZ +RhA== X-Gm-Message-State: AOAM5308pJMmxPoU5h3ZxmNFkW+xSQfCPvB6MJQWa0sgLd6usDwok7Ab +o1Z2MZmDC0VqcvGgbNlP0orYw== X-Google-Smtp-Source: ABdhPJxmqAXINvTiCite1x13thKZcCPdQcEsdY+IlRaknEy+Lx1IUA5Gs8kWOMYLPnjcR2vtubhGoA== X-Received: by 2002:a17:90a:6f06:: with SMTP id d6mr33857771pjk.216.1621997738984; Tue, 25 May 2021 19:55:38 -0700 (PDT) Received: from localhost.localdomain ([2402:7500:47b:3de6:ff1b:1098:9398:7094]) by smtp.gmail.com with ESMTPSA id c191sm14658641pfc.94.2021.05.25.19.55.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 May 2021 19:55:38 -0700 (PDT) From: "simba.hsu" X-Google-Original-From: "simba.hsu" To: dmitry.torokhov@gmail.com, simba.hsu@rad-ic.com, furquan@google.com, seanpaul@chromium.org, rrangle@chromium.org, adurbin@chromium.org Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, KP.li@rad-ic.com, jeffrey.lin@rad-ic.com Subject: [PATCH] driver:input:touchscreen: improve the mechanism of auto-update Date: Wed, 26 May 2021 10:53:54 +0800 Message-Id: <20210526025354.22455-1-simba.hsu@rad-ic.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Once auto-update has been interrupted, touch IC will be stuck in recovery mode forever and it will lead to touch malfunction. This patch makes auto-update available when touch IC is in recovery mode to avoid touch malfunction Signed-off-by: simba.hsu --- drivers/input/touchscreen/raydium_i2c_ts.c | 53 ++++++++++++++++++---- 1 file changed, 45 insertions(+), 8 deletions(-) diff --git a/drivers/input/touchscreen/raydium_i2c_ts.c b/drivers/input/touchscreen/raydium_i2c_ts.c index 4d2d22a86977..50f6fbbe4775 100644 --- a/drivers/input/touchscreen/raydium_i2c_ts.c +++ b/drivers/input/touchscreen/raydium_i2c_ts.c @@ -36,7 +36,8 @@ #define RM_CMD_BOOT_CHK 0x33 /* send data check */ #define RM_CMD_BOOT_READ 0x44 /* send wait bl data ready*/ -#define RM_BOOT_RDY 0xFF /* bl data ready */ +#define RM_BOOT_RDY 0xFF /* bl data ready */ +#define RM_BOOT_CMD_READHWID 0x0E /* read hwid */ /* I2C main commands */ #define RM_CMD_QUERY_BANK 0x2B @@ -155,6 +156,7 @@ static int raydium_i2c_xfer(struct i2c_client *client, u32 addr, * sent first. Else, skip the header i.e. xfer[0]. */ int xfer_start_idx = (addr > 0xff) ? 0 : 1; + xfer_count -= xfer_start_idx; ret = i2c_transfer(client->adapter, &xfer[xfer_start_idx], xfer_count); @@ -289,6 +291,44 @@ static int raydium_i2c_sw_reset(struct i2c_client *client) return 0; } +static int raydium_i2c_query_ts_BL_info(struct raydium_data *ts) +{ + struct i2c_client *client = ts->client; + static const u8 get_hwid[7] = {RM_BOOT_CMD_READHWID, + 0x10, 0xc0, 0x01, 0x00, 0x04, 0x00}; + int error; + u8 rbuf[5] = {0, 0, 0, 0, 0}; + u32 tmpdata = 0; + + error = raydium_i2c_send(client, + RM_CMD_BOOT_WRT, get_hwid, sizeof(get_hwid)); + if (error) { + dev_err(&client->dev, "WRT HWID command failed: %d\n", error); + return error; + } + + error = raydium_i2c_send(client, RM_CMD_BOOT_ACK, rbuf, 1); + if (error) { + dev_err(&client->dev, "Ack HWID command failed: %d\n", error); + return error; + } + + error = raydium_i2c_read(client, + RM_CMD_BOOT_CHK, rbuf, sizeof(rbuf)); + if (!error) { + tmpdata = (rbuf[1]<<24|rbuf[2]<<16|rbuf[3]<<8|rbuf[4]); + ts->info.hw_ver = tmpdata; + dev_err(&client->dev, "HWID %08X\n", ts->info.hw_ver); + } else { + ts->info.hw_ver = cpu_to_le32(0xffffffffUL); + dev_err(&client->dev, "raydium_i2c_read HWID failed, %X, %X, %X, %X\n", + rbuf[1], rbuf[2], rbuf[3], rbuf[4]); + } + ts->info.main_ver = 0xff; + ts->info.sub_ver = 0xff; + + return error; +} static int raydium_i2c_query_ts_info(struct raydium_data *ts) { @@ -388,13 +428,10 @@ static int raydium_i2c_initialize(struct raydium_data *ts) if (error) ts->boot_mode = RAYDIUM_TS_BLDR; - if (ts->boot_mode == RAYDIUM_TS_BLDR) { - ts->info.hw_ver = cpu_to_le32(0xffffffffUL); - ts->info.main_ver = 0xff; - ts->info.sub_ver = 0xff; - } else { + if (ts->boot_mode == RAYDIUM_TS_BLDR) + raydium_i2c_query_ts_BL_info(ts); + else raydium_i2c_query_ts_info(ts); - } return error; } @@ -1218,7 +1255,7 @@ static SIMPLE_DEV_PM_OPS(raydium_i2c_pm_ops, raydium_i2c_suspend, raydium_i2c_resume); static const struct i2c_device_id raydium_i2c_id[] = { - { "raydium_i2c" , 0 }, + { "raydium_i2c", 0 }, { "rm32380", 0 }, { /* sentinel */ } };