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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BN8NAM11FT053.mail.protection.outlook.com (10.13.177.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5986.18 via Frontend Transport; Wed, 11 Jan 2023 09:03:33 +0000 Received: from SATLEXMB03.amd.com (10.181.40.144) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Wed, 11 Jan 2023 03:03:15 -0600 Received: from vijendar-X570-GAMING-X.amd.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server id 15.1.2375.34 via Frontend Transport; Wed, 11 Jan 2023 03:02:47 -0600 From: Vijendar Mukunda To: , , CC: , , , , , Vijendar Mukunda , Bard Liao , Pierre-Louis Bossart , Sanyog Kale , open list Subject: [PATCH 16/19] soundwire: amd: handle wake enable interrupt Date: Wed, 11 Jan 2023 14:32:19 +0530 Message-ID: <20230111090222.2016499-17-Vijendar.Mukunda@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230111090222.2016499-1-Vijendar.Mukunda@amd.com> References: <20230111090222.2016499-1-Vijendar.Mukunda@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT053:EE_|DM4PR12MB6373:EE_ X-MS-Office365-Filtering-Correlation-Id: 093e2960-255e-42f7-de5e-08daf3b2b7db X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Jan 2023 09:03:33.9620 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 093e2960-255e-42f7-de5e-08daf3b2b7db X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT053.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6373 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add wake enable interrupt support for both the soundwire controller instances. Signed-off-by: Vijendar Mukunda Signed-off-by: Mastan Katragadda --- drivers/soundwire/amd_master.c | 9 +++++++++ drivers/soundwire/amd_master.h | 1 + include/linux/soundwire/sdw_amd.h | 1 + 3 files changed, 11 insertions(+) diff --git a/drivers/soundwire/amd_master.c b/drivers/soundwire/amd_master.c index 290c59ab7760..2fd77a673c22 100644 --- a/drivers/soundwire/amd_master.c +++ b/drivers/soundwire/amd_master.c @@ -1219,6 +1219,13 @@ static void amd_sdwc_update_slave_status_work(struct work_struct *work) u32 sw_status_change_mask_0to7_reg; u32 sw_status_change_mask_8to11_reg; + if (ctrl->wake_event) { + pm_runtime_resume(ctrl->dev); + acp_reg_writel(0x00, ctrl->mmio + ACP_SW_WAKE_EN); + ctrl->wake_event = false; + return; + } + switch (ctrl->instance) { case ACP_SDW0: sw_status_change_mask_0to7_reg = SW_STATE_CHANGE_STATUS_MASK_0TO7; @@ -1258,6 +1265,8 @@ static void amd_sdwc_update_slave_status(u32 status_change_0to7, u32 status_chan if (status_change_0to7 == AMD_SDW_SLAVE_0_ATTACHED) memset(ctrl->status, 0, sizeof(ctrl->status)); + if (status_change_8to11 & AMD_SDW_WAKE_STAT_MASK) + ctrl->wake_event = true; slave_stat = status_change_0to7; slave_stat |= FIELD_GET(AMD_SDW_MCP_SLAVE_STATUS_8TO_11, status_change_8to11) << 32; dev_dbg(ctrl->dev, "%s: status_change_0to7:0x%x status_change_8to11:0x%x\n", diff --git a/drivers/soundwire/amd_master.h b/drivers/soundwire/amd_master.h index cc254255512b..e32884e3a45b 100644 --- a/drivers/soundwire/amd_master.h +++ b/drivers/soundwire/amd_master.h @@ -240,6 +240,7 @@ #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_channel { /* SDW0 */ diff --git a/include/linux/soundwire/sdw_amd.h b/include/linux/soundwire/sdw_amd.h index f362f195b887..e3e539b868be 100644 --- a/include/linux/soundwire/sdw_amd.h +++ b/include/linux/soundwire/sdw_amd.h @@ -40,6 +40,7 @@ struct amd_sdwc_ctrl { int num_ports; bool clk_stopped; bool startup_done; + bool wake_event; u32 power_mode_mask; }; -- 2.34.1