From patchwork Thu Jan 28 17:26:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roderick Colenbrander X-Patchwork-Id: 373537 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=-16.7 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, URIBL_BLOCKED, 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 3B87DC433E9 for ; Thu, 28 Jan 2021 17:30:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ECEC264E15 for ; Thu, 28 Jan 2021 17:30:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232833AbhA1Ra3 (ORCPT ); Thu, 28 Jan 2021 12:30:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52740 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233181AbhA1R2W (ORCPT ); Thu, 28 Jan 2021 12:28:22 -0500 Received: from mail-pg1-x532.google.com (mail-pg1-x532.google.com [IPv6:2607:f8b0:4864:20::532]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60236C061355 for ; Thu, 28 Jan 2021 09:27:20 -0800 (PST) Received: by mail-pg1-x532.google.com with SMTP id t25so4733267pga.2 for ; Thu, 28 Jan 2021 09:27:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gaikai-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=vHFPu3zG939YEPCLvVxBY9M6kmC962o/kJ1ByNn/dqU=; b=AjAh8nN+BXlYqsWWIucibm+2HhED9ZqTlqQXLxHlkzJhG/73oi5YohyulrDUMiF5Ce rocV7Ic2VvrD6QMsGNjxz5M35M+gALx7YkNg4UJxEDXj2zdnKMSIcRcVZB9KSt4wNIxd janEnxmf/KYea0V7zLjQUELsmfssky7DP5tRSpvI9lYxG3WeYWE8Cn1RUS3hbKT1k8uO 3d/MR3vUr0l8XRRpAQNoX0+dOi+pZpTv/h1t8R3s/+joBpB74hEj8GfzlDLspm376EPe s4l33Kdk5GrjliG9Xs3PKJsIigJOKxypksRPj+hJBhzTK548NwnAnNeN6FVJD3l8yKg8 B8rQ== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=vHFPu3zG939YEPCLvVxBY9M6kmC962o/kJ1ByNn/dqU=; b=MOx5FWkSmq8387EpDt7PhdqtTUKatSFKKBKGRwZZ1+jvrCh3GQP2u8wZO51Puwe7fw JA/ppfXM24bnYmcU3ovAU5QnAyYcC7i5WM+DlWt3CvGuITp7Sct6YD6HOJ+Rxwtu9fFZ XAICZ7WwWbzJaiEOUHvb3HwyAdYAVDEVlGc7LTNmGN911JNxZ6Fyn/sQszbrKjSUv+uT V3iht6OvttVw17e03Um6JdQkVcOA42Kiq2PJ9ESWWaBnO6QG5TtRV2aTj+vYK+kVAbcT BzhnCYER+HOPZa9+lNyvGzG0RCtDh4woKj4vsJqWmQ7m1kbydT4IbBgUJ8J+w1rXMik8 mxfw== X-Gm-Message-State: AOAM532QSYuu25n+yJVbCO+ETKNgUdQUfEE2thhc/c5I7/iRyTUcxKe1 bOWlmJpoYTIhBn2RjKcKFXFV8w== X-Google-Smtp-Source: ABdhPJzVKbCiBMt8L8AUZRlcUAIhBb0Cd1++i3eb0Sdea0Fcve+qeqHel7CcfMoDKlUW4XNnMW1PvQ== X-Received: by 2002:a63:c042:: with SMTP id z2mr522042pgi.201.1611854839977; Thu, 28 Jan 2021 09:27:19 -0800 (PST) Received: from us8c16456344dc.lan (cpe-76-87-77-78.socal.res.rr.com. [76.87.77.78]) by smtp.gmail.com with ESMTPSA id a31sm6190445pgb.93.2021.01.28.09.27.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Jan 2021 09:27:19 -0800 (PST) From: Roderick Colenbrander To: Jiri Kosina , Benjamin Tissoires Cc: linux-input@vger.kernel.org, Chris Ye , =?utf-8?q?Bar?= =?utf-8?b?bmFiw6FzIFDFkWN6ZQ==?= , =?utf-8?q?Samuel_=C4=8Cavoj?= , =?utf-8?q?Florian_M=C3=A4rkl?= , Roderick Colenbrander Subject: [PATCH v5 13/13] HID: playstation: report DualSense hardware and firmware version. Date: Thu, 28 Jan 2021 09:26:57 -0800 Message-Id: <20210128172657.24516-14-roderick@gaikai.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210128172657.24516-1-roderick@gaikai.com> References: <20210128172657.24516-1-roderick@gaikai.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org From: Roderick Colenbrander Retrieve DualSense hardware and firmware information using a vendor specific feature report. Report the data through sysfs and also report using hid_info as there can be signficant differences between versions. Signed-off-by: Roderick Colenbrander --- drivers/hid/hid-playstation.c | 81 +++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) diff --git a/drivers/hid/hid-playstation.c b/drivers/hid/hid-playstation.c index 8d827d78fa65..354c81f83d10 100644 --- a/drivers/hid/hid-playstation.c +++ b/drivers/hid/hid-playstation.c @@ -41,6 +41,8 @@ struct ps_device { int battery_status; uint8_t mac_address[6]; /* Note: stored in little endian order. */ + uint32_t hw_version; + uint32_t fw_version; int (*parse_report)(struct ps_device *dev, struct hid_report *report, u8 *data, int size); }; @@ -77,6 +79,8 @@ struct ps_led_info { #define DS_FEATURE_REPORT_CALIBRATION_SIZE 41 #define DS_FEATURE_REPORT_PAIRING_INFO 0x09 #define DS_FEATURE_REPORT_PAIRING_INFO_SIZE 20 +#define DS_FEATURE_REPORT_FIRMWARE_INFO 0x20 +#define DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE 64 /* Button masks for DualSense input report. */ #define DS_BUTTONS0_HAT_SWITCH GENMASK(3, 0) @@ -649,6 +653,40 @@ static struct input_dev *ps_touchpad_create(struct hid_device *hdev, int width, return touchpad; } +static ssize_t ps_show_firmware_version(struct device *dev, + struct device_attribute + *attr, char *buf) +{ + struct hid_device *hdev = to_hid_device(dev); + struct ps_device *ps_dev = hid_get_drvdata(hdev); + + return sysfs_emit(buf, "0x%08x\n", ps_dev->fw_version); +} + +static DEVICE_ATTR(firmware_version, 0444, ps_show_firmware_version, NULL); + +static ssize_t ps_show_hardware_version(struct device *dev, + struct device_attribute + *attr, char *buf) +{ + struct hid_device *hdev = to_hid_device(dev); + struct ps_device *ps_dev = hid_get_drvdata(hdev); + + return sysfs_emit(buf, "0x%08x\n", ps_dev->hw_version); +} + +static DEVICE_ATTR(hardware_version, 0444, ps_show_hardware_version, NULL); + +static struct attribute *ps_device_attributes[] = { + &dev_attr_firmware_version.attr, + &dev_attr_hardware_version.attr, + NULL +}; + +static const struct attribute_group ps_device_attribute_group = { + .attrs = ps_device_attributes, +}; + static int dualsense_get_calibration_data(struct dualsense *ds) { short gyro_pitch_bias, gyro_pitch_plus, gyro_pitch_minus; @@ -739,6 +777,30 @@ static int dualsense_get_calibration_data(struct dualsense *ds) return ret; } +static int dualsense_get_firmware_info(struct dualsense *ds) +{ + uint8_t *buf; + int ret; + + buf = kzalloc(DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + ret = ps_get_report(ds->base.hdev, DS_FEATURE_REPORT_FIRMWARE_INFO, buf, + DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE); + if (ret) { + hid_err(ds->base.hdev, "Failed to retrieve DualSense firmware info: %d\n", ret); + goto err_free; + } + + ds->base.hw_version = get_unaligned_le32(&buf[24]); + ds->base.fw_version = get_unaligned_le32(&buf[28]); + +err_free: + kfree(buf); + return ret; +} + static int dualsense_get_mac_address(struct dualsense *ds) { uint8_t *buf; @@ -1240,6 +1302,12 @@ static struct ps_device *dualsense_create(struct hid_device *hdev) } snprintf(hdev->uniq, sizeof(hdev->uniq), "%pMR", ds->base.mac_address); + ret = dualsense_get_firmware_info(ds); + if (ret) { + hid_err(hdev, "Failed to get firmware info from DualSense\n"); + return ERR_PTR(ret); + } + ret = ps_devices_list_add(ps_dev); if (ret) return ERR_PTR(ret); @@ -1307,6 +1375,13 @@ static struct ps_device *dualsense_create(struct hid_device *hdev) /* Set player LEDs to our player id. */ dualsense_set_player_leds(ds); + /* + * Reporting hardware and firmware is important as there are frequent updates, which + * can change behavior. + */ + hid_info(hdev, "Registered DualSense controller hw_version=0x%08x fw_version=0x%08x\n", + ds->base.hw_version, ds->base.fw_version); + return &ds->base; err: @@ -1357,6 +1432,12 @@ static int ps_probe(struct hid_device *hdev, const struct hid_device_id *id) } } + ret = devm_device_add_group(&hdev->dev, &ps_device_attribute_group); + if (ret) { + hid_err(hdev, "Failed to register sysfs nodes.\n"); + goto err_close; + } + return ret; err_close: