From patchwork Mon Feb 15 00:45:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roderick Colenbrander X-Patchwork-Id: 383519 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 26303C433E9 for ; Mon, 15 Feb 2021 00:47:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F16ED64DDA for ; Mon, 15 Feb 2021 00:47:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229956AbhBOArX (ORCPT ); Sun, 14 Feb 2021 19:47:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47774 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229961AbhBOArW (ORCPT ); Sun, 14 Feb 2021 19:47:22 -0500 Received: from mail-pf1-x42c.google.com (mail-pf1-x42c.google.com [IPv6:2607:f8b0:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BB8B3C061793 for ; Sun, 14 Feb 2021 16:46:05 -0800 (PST) Received: by mail-pf1-x42c.google.com with SMTP id w18so3189513pfu.9 for ; Sun, 14 Feb 2021 16:46:05 -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=MmcKsFVK0P14KymYonH17v2gPDioHATwv8SN0tz8rmc=; b=cVcbqVVvD4DqfnA59AUDkEhTIKLYdXgiIdzbhceBJvPndK2kamGJx+lA13eT8f1CSs EpWQ//I6r0ksHlX+vdfPM73Xp0L4p9ANI6UaygqTbArVEB+EUokzUC91SwxC8Drsipj6 v9UEAW04tTOiEAP1TtJayq9CfXB7uwXmuxMWRjiK06pZe1mbkigboAOOdyEgkNh8uJlC Y3TGzSDryAtxm5Po29T8Eu+qYtuIpSHzZVy9Txsv4lkiE1v8CVJ/pyD2oNivTYiN6LJg Dv+k8OlDMh8cLXSBY82JUInq7S4+dlFnErBzfXFc4OnQ6YAYABMlBzcDuByZepJGCJ5o pFmg== 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=MmcKsFVK0P14KymYonH17v2gPDioHATwv8SN0tz8rmc=; b=i8j3AjHvdyMgKGrJEsbZHTHpRs+fYsi3UKXVX1t3MwBCgHlkMkJnMipIm/ztJx9DIX tiNgA8+YwA0GaGY/zs4JZNKdN0vWGher7C/E+GBbdarXCRxI+jMjYbMYEEUc7WkZKidD avaQCTOl+TwDLR3tKKdbQTraucH0y5QbRxowIpGCTsoxl87K7GVzUT9HVAnWBrPAOW09 BLnyRdod5bN3pqbJAibHWQvNll8n6sO7+sQIloY6WmeMN1Jx0umYKfvKiCGA9r4Tqi9f 0lri65pHnP3lyd0KHLfSHuhzBTpdJvCzXyfeS+J08SBRVjInSic9hMTZZfd0tp0GNddo Dvhw== X-Gm-Message-State: AOAM532KA4q60377ehOXHlYMY1t+MdpkYDMBThtX7TzajILZyfxfy0US wU/VJTPvJ2Vwh2TdnJejLtzHYg== X-Google-Smtp-Source: ABdhPJyIjYxN1CDJvwX5KSp1VQ+ENKtJmzlhRCQJjlhuuvtw2QnWcQWbetk7hWemw5l4IOQHe61sjw== X-Received: by 2002:a63:ac19:: with SMTP id v25mr12942086pge.258.1613349965171; Sun, 14 Feb 2021 16:46:05 -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 q188sm16127746pfb.8.2021.02.14.16.46.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Feb 2021 16:46:04 -0800 (PST) From: Roderick Colenbrander To: Jiri Kosina , Benjamin Tissoires , Pavel Machek , Marek Behun , dmitry.torokhov@gmail.com, pobm@protonmail.com Cc: linux-input@vger.kernel.org, linux-leds@vger.kernel.org, Roderick Colenbrander Subject: [PATCH v6 4/4] HID: playstation: DualSense set LEDs to default player id. Date: Sun, 14 Feb 2021 16:45:49 -0800 Message-Id: <20210215004549.135251-5-roderick@gaikai.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210215004549.135251-1-roderick@gaikai.com> References: <20210215004549.135251-1-roderick@gaikai.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org From: Roderick Colenbrander Add a ID allocator to assign player ids to ps_device instances. Utilize the player id to set a default color on the DualSense its player LED strip. Signed-off-by: Roderick Colenbrander --- drivers/hid/hid-playstation.c | 70 ++++++++++++++++++++++++++++++++++- 1 file changed, 69 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-playstation.c b/drivers/hid/hid-playstation.c index 2d96785c397d..973c1fe61e8a 100644 --- a/drivers/hid/hid-playstation.c +++ b/drivers/hid/hid-playstation.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include @@ -22,6 +23,8 @@ static DEFINE_MUTEX(ps_devices_lock); static LIST_HEAD(ps_devices_list); +static DEFINE_IDA(ps_player_id_allocator); + #define HID_PLAYSTATION_VERSION_PATCH 0x8000 /* Base class for playstation devices. */ @@ -30,6 +33,8 @@ struct ps_device { struct hid_device *hdev; spinlock_t lock; + uint32_t player_id; + struct power_supply_desc battery_desc; struct power_supply *battery; uint8_t battery_capacity; @@ -321,6 +326,24 @@ static int ps_devices_list_remove(struct ps_device *dev) return 0; } +static int ps_device_set_player_id(struct ps_device *dev) +{ + int ret = ida_alloc(&ps_player_id_allocator, GFP_KERNEL); + + if (ret < 0) + return ret; + + dev->player_id = ret; + return 0; +} + +static void ps_device_release_player_id(struct ps_device *dev) +{ + ida_free(&ps_player_id_allocator, dev->player_id); + + dev->player_id = U32_MAX; +} + static struct input_dev *ps_allocate_input_dev(struct hid_device *hdev, const char *name_suffix) { struct input_dev *input_dev; @@ -1156,6 +1179,29 @@ static int dualsense_reset_leds(struct dualsense *ds) return 0; } +static void dualsense_set_player_leds(struct dualsense *ds) +{ + /* + * The DualSense controller has a row of 5 LEDs used for player ids. + * Behavior on the PlayStation 5 console is to center the player id + * across the LEDs, so e.g. player 1 would be "--x--" with x being 'on'. + * Follow a similar mapping here. + */ + static const int player_ids[5] = { + BIT(2), + BIT(3) | BIT(1), + BIT(4) | BIT(2) | BIT(0), + BIT(4) | BIT(3) | BIT(1) | BIT(0), + BIT(4) | BIT(3) | BIT(2) | BIT(1) | BIT(0) + }; + + uint8_t player_id = ds->base.player_id % ARRAY_SIZE(player_ids); + + ds->update_player_leds = true; + ds->player_leds_state = player_ids[player_id]; + schedule_work(&ds->output_worker); +} + static struct ps_device *dualsense_create(struct hid_device *hdev) { struct dualsense *ds; @@ -1264,6 +1310,15 @@ static struct ps_device *dualsense_create(struct hid_device *hdev) goto err; } + ret = ps_device_set_player_id(ps_dev); + if (ret) { + hid_err(hdev, "Failed to assign player id for DualSense: %d\n", ret); + goto err; + } + + /* Set player LEDs to our player id. */ + dualsense_set_player_leds(ds); + return &ds->base; err: @@ -1328,6 +1383,7 @@ static void ps_remove(struct hid_device *hdev) struct ps_device *dev = hid_get_drvdata(hdev); ps_devices_list_remove(dev); + ps_device_release_player_id(dev); hid_hw_close(hdev); hid_hw_stop(hdev); @@ -1348,7 +1404,19 @@ static struct hid_driver ps_driver = { .raw_event = ps_raw_event, }; -module_hid_driver(ps_driver); +static int __init ps_init(void) +{ + return hid_register_driver(&ps_driver); +} + +static void __exit ps_exit(void) +{ + hid_unregister_driver(&ps_driver); + ida_destroy(&ps_player_id_allocator); +} + +module_init(ps_init); +module_exit(ps_exit); MODULE_AUTHOR("Sony Interactive Entertainment"); MODULE_DESCRIPTION("HID Driver for PlayStation peripherals.");