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Mon, 27 Feb 2023 09:44:25 -0600 From: Vijendar Mukunda To: CC: , , , , , , , , Vijendar Mukunda , Bard Liao , Sanyog Kale , open list Subject: [PATCH V4 7/8] soundwire: amd: handle SoundWire wake enable interrupt Date: Mon, 27 Feb 2023 21:18:00 +0530 Message-ID: <20230227154801.50319-8-Vijendar.Mukunda@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230227154801.50319-1-Vijendar.Mukunda@amd.com> References: <20230227154801.50319-1-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: CO1NAM11FT033:EE_|CH3PR12MB8074:EE_ X-MS-Office365-Filtering-Correlation-Id: 8054ab01-670e-4a6a-b6f0-08db18d98592 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230025)(4636009)(136003)(39860400002)(346002)(376002)(396003)(451199018)(46966006)(40470700004)(36840700001)(26005)(36756003)(41300700001)(54906003)(316002)(81166007)(40480700001)(83380400001)(82310400005)(86362001)(5660300002)(8936002)(2906002)(70586007)(4326008)(70206006)(6916009)(8676002)(478600001)(356005)(186003)(7696005)(1076003)(6666004)(40460700003)(82740400003)(47076005)(336012)(2616005)(426003)(36860700001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Feb 2023 15:44:32.9605 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8054ab01-670e-4a6a-b6f0-08db18d98592 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT033.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB8074 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add wake enable interrupt support for both the SoundWire manager instances. Signed-off-by: Vijendar Mukunda Signed-off-by: Mastan Katragadda --- 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 12345077c395..88f0ad7ea7ec 100644 --- a/drivers/soundwire/amd_manager.c +++ b/drivers/soundwire/amd_manager.c @@ -922,6 +922,13 @@ 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 = @@ -933,6 +940,9 @@ 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 93022a325598..2e9032784f34 100644 --- a/drivers/soundwire/amd_manager.h +++ b/drivers/soundwire/amd_manager.h @@ -190,6 +190,7 @@ #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, -- 2.34.1