From patchwork Tue Mar 7 13:31:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Mukunda,Vijendar" X-Patchwork-Id: 13163520 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 69EB2C678D5 for ; Tue, 7 Mar 2023 13:30:35 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 2919F147F; Tue, 7 Mar 2023 14:29:43 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 2919F147F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1678195833; bh=b6yDcKAUilXrtO9qE5oatGICUceedCxQ25aLCXK0jbw=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Archive: List-Help:List-Owner:List-Post:List-Subscribe:List-Unsubscribe: From:Reply-To:Cc:From; b=H7XbFsVX7UrbhtSG3SyapFe7wF46lKFEea2TAI2ZtR1RYxoLHCFlNq5B89XC00Wrq 56wKSYv2EzcsDOeZ8NIVLRLjIwPHU0V42UDXwMM9yMSzXWgje/IBXy+88t6ngj0Cl0 VZu7qIuwiwplJaLlcdv2D0kSXbBNduVTKe+Bycas= Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id AAFB3F8055B; Tue, 7 Mar 2023 14:28:22 +0100 (CET) To: Subject: [PATCH V6 7/8] soundwire: amd: handle SoundWire wake enable interrupt Date: Tue, 7 Mar 2023 19:01:34 +0530 In-Reply-To: <20230307133135.545952-1-Vijendar.Mukunda@amd.com> References: <20230307133135.545952-1-Vijendar.Mukunda@amd.com> X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <167819570124.26.17364005822466614707@mailman-core.alsa-project.org> X-Patchwork-Original-From: Vijendar Mukunda via Alsa-devel From: "Mukunda,Vijendar" Reply-To: Vijendar Mukunda Cc: alsa-devel@alsa-project.org, pierre-louis.bossart@linux.intel.com, Basavaraj.Hiregoudar@amd.com, Sunil-kumar.Dommati@amd.com, Mario.Limonciello@amd.com, amadeuszx.slawinski@linux.intel.com, Mastan.Katragadda@amd.com, Arungopal.kondaveeti@amd.com, claudiu.beznea@microchip.com, Vijendar Mukunda , Bard Liao , Sanyog Kale , open list Content-Disposition: inline Add wake enable interrupt support for both the SoundWire manager instances. Signed-off-by: Vijendar Mukunda Signed-off-by: Mastan Katragadda Reviewed-by: Pierre-Louis Bossart Link: https://lore.kernel.org/lkml/20230227154801.50319-8-Vijendar.Mukunda@amd.com --- drivers/soundwire/amd_manager.c | 10 ++++++++++ drivers/soundwire/amd_manager.h | 1 + 2 files changed, 11 insertions(+) diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c index c3c0bee57bd1..70e4fcd7e1e0 100644 --- a/drivers/soundwire/amd_manager.c +++ b/drivers/soundwire/amd_manager.c @@ -869,6 +869,13 @@ static void amd_sdw_update_slave_status(u32 status_change_0to7, u32 status_chang } } +static void amd_sdw_process_wake_event(struct amd_sdw_manager *amd_manager) +{ + pm_request_resume(amd_manager->dev); + acp_reg_writel(0x00, amd_manager->acp_mmio + ACP_SW_WAKE_EN(amd_manager->instance)); + acp_reg_writel(0x00, amd_manager->mmio + ACP_SW_STATE_CHANGE_STATUS_8TO11); +} + static void amd_sdw_irq_thread(struct work_struct *work) { struct amd_sdw_manager *amd_manager = @@ -880,6 +887,9 @@ static void amd_sdw_irq_thread(struct work_struct *work) status_change_0to7 = acp_reg_readl(amd_manager->mmio + ACP_SW_STATE_CHANGE_STATUS_0TO7); dev_dbg(amd_manager->dev, "[SDW%d] SDW INT: 0to7=0x%x, 8to11=0x%x\n", amd_manager->instance, status_change_0to7, status_change_8to11); + if (status_change_8to11 & AMD_SDW_WAKE_STAT_MASK) + return amd_sdw_process_wake_event(amd_manager); + if (status_change_8to11 & AMD_SDW_PREQ_INTR_STAT) { amd_sdw_read_and_process_ping_status(amd_manager); } else { diff --git a/drivers/soundwire/amd_manager.h b/drivers/soundwire/amd_manager.h index 65bc79d8f7c9..cc1a14731fd4 100644 --- a/drivers/soundwire/amd_manager.h +++ b/drivers/soundwire/amd_manager.h @@ -189,6 +189,7 @@ #define AMD_SDW_CLK_STOP_DONE 1 #define AMD_SDW_CLK_RESUME_REQ 2 #define AMD_SDW_CLK_RESUME_DONE 3 +#define AMD_SDW_WAKE_STAT_MASK BIT(16) enum amd_sdw_cmd_type { AMD_SDW_CMD_PING = 0,