From mboxrd@z Thu Jan 1 00:00:00 1970 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,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 37B5AC35273 for ; Sat, 19 Dec 2020 06:25:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 17DAC23B70 for ; Sat, 19 Dec 2020 06:25:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726364AbgLSGZF (ORCPT ); Sat, 19 Dec 2020 01:25:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726359AbgLSGZF (ORCPT ); Sat, 19 Dec 2020 01:25:05 -0500 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5530C0611D0 for ; Fri, 18 Dec 2020 22:23:53 -0800 (PST) Received: by mail-pl1-x630.google.com with SMTP id y8so2572906plp.8 for ; Fri, 18 Dec 2020 22:23:53 -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=prj0nK0FrTjGXU4NbNrumDmVWMV2ie4EYkuv3L1sDDc=; b=gK7O/TiSoCz4TaK/yeMhZwmT7BbXOKdfuzSZ9hI7Z7M1LxSwY6jWzyiyQADcAQKLG9 UpItUfdzawu2KqiZi2W2jJe+DQr8MZNu+4NzWQnGf4kaHHWIfUfj8ySzj7uYnaQKqEUr gdIH9JYbGlMg23yhfb0KZrWT8hHLi69zehGrCR60foYWRTZZeNiUy2YRI6beTj0ymUmG 09spwvgd/yNYDkIzG7JiBmYNzqPfUrSjNb9Vi7+tPakQ6nEwW3vBgOEjriJW2uR5Klw6 HE3miDpX/GXilF8A9UxUBGn2esfDgQ6+Uhy8S7yE6nWzkRSaVNKzWS80kND8mBtVh4bN lqIQ== 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=prj0nK0FrTjGXU4NbNrumDmVWMV2ie4EYkuv3L1sDDc=; b=YZW73QppKdbvpm+K6aZimTHg2IKG4rNgFjdUIqBF4RVPXpTsCRG9wsHGF7kLJzBTUX 2Q5ZDf6mEXAHjjkxbJyZOp17zrw3zO6/AISey0378WsHblkzOZM++jKMSA0UnVfkmjr2 w5TA+/g/7qNVHYdptb+tihkLSRr/T7MZr2IAoGPs1t0d4fBEc2BED/WfmWvsqLg+VN/Z fJw6CJPtflhUeJl63G/MWX2S9Jw5Z2puQvXSs70LC0UTbieMawuWw6u5CjdOfbdEGIBt aO1QnqFUr9U4wH0VUaoS7Kbx8fKVULYENiVZhkVRqSXudoryE0ogC0Eh32/0IZzDycTa +z5g== X-Gm-Message-State: AOAM5335YzBydM2cBgJLip5emzgxw12lFKr+0Je+OyvjUjqavTcgCLPq 0Li2+LBatfWMe9kuJOZ1v/7m4Q== X-Google-Smtp-Source: ABdhPJzD6aLtrraKrTzn49VSWKS/4GOvHQCAFt6df7uOPTlumxqJUtUocbpuw1cbdkOUwZIDeY9Kpw== X-Received: by 2002:a17:90a:f3c5:: with SMTP id ha5mr7734448pjb.61.1608359033385; Fri, 18 Dec 2020 22:23:53 -0800 (PST) Received: from localhost.localdomain (cpe-76-87-77-78.socal.res.rr.com. [76.87.77.78]) by smtp.gmail.com with ESMTPSA id bf3sm9655302pjb.45.2020.12.18.22.23.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Dec 2020 22:23:53 -0800 (PST) From: Roderick Colenbrander To: Jiri Kosina , Benjamin Tissoires Cc: linux-input@vger.kernel.org, Chris Ye , Roderick Colenbrander Subject: [PATCH 13/13] HID: playstation: report DualSense hardware and firmware version. Date: Fri, 18 Dec 2020 22:23:36 -0800 Message-Id: <20201219062336.72568-14-roderick@gaikai.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201219062336.72568-1-roderick@gaikai.com> References: <20201219062336.72568-1-roderick@gaikai.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 a55375ac79a9..2f989da906f3 100644 --- a/drivers/hid/hid-playstation.c +++ b/drivers/hid/hid-playstation.c @@ -36,6 +36,8 @@ struct ps_device { int battery_status; uint8_t mac_address[6]; + uint32_t hw_version; + uint32_t fw_version; int (*parse_report)(struct ps_device *dev, struct hid_report *report, u8 *data, int size); }; @@ -63,6 +65,8 @@ struct ps_led_info { #define DS_FEATURE_REPORT_CALIBRATION_SIZE 41 #define DS_FEATURE_REPORT_PAIRING_INFO 9 #define DS_FEATURE_REPORT_PAIRING_INFO_SIZE 19 +#define DS_FEATURE_REPORT_FIRMWARE_INFO 32 +#define DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE 64 /* Button masks for DualSense input report. */ #define DS_BUTTONS0_HAT_SWITCH GENMASK(3, 0) @@ -585,6 +589,40 @@ 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 snprintf(buf, PAGE_SIZE, "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 snprintf(buf, PAGE_SIZE, "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; @@ -683,6 +721,29 @@ 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 = 0; + + buf = kzalloc(DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + ret = hid_hw_raw_request(ds->base.hdev, DS_FEATURE_REPORT_FIRMWARE_INFO, buf, + DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE, HID_FEATURE_REPORT, + HID_REQ_GET_REPORT); + if (ret < 0) + 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; @@ -1172,6 +1233,12 @@ 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 < 0) { + hid_err(hdev, "Failed to get firmware info from DualSense\n"); + return ERR_PTR(ret); + } + ret = ps_devices_list_add((struct ps_device *)ds); if (ret < 0) return ERR_PTR(ret); @@ -1241,6 +1308,12 @@ 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=%x fw_version=%x\n", + ds->base.hw_version, ds->base.fw_version); + return (struct ps_device *)ds; err: @@ -1295,6 +1368,12 @@ static int ps_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_close; } + ret = sysfs_create_group(&hdev->dev.kobj, &ps_device_attribute_group); + if (ret < 0) { + hid_err(hdev, "Failed to register sysfs nodes.\n"); + goto err_close; + } + return ret; err_close: @@ -1313,6 +1392,8 @@ static void ps_remove(struct hid_device *hdev) hid_hw_close(hdev); hid_hw_stop(hdev); + + sysfs_remove_group(&hdev->dev.kobj, &ps_device_attribute_group); } static const struct hid_device_id ps_devices[] = { -- 2.26.2