From 66c878838f37912ba295c41e749a25fc356341ea Mon Sep 17 00:00:00 2001 From: Vijendar Mukunda Date: Tue, 21 Mar 2023 10:39:00 +0530 Subject: soundwire: amd: handle SoundWire wake enable interrupt 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 Link: https://lore.kernel.org/r/20230321050901.115439-8-Vijendar.Mukunda@amd.com Signed-off-by: Vinod Koul --- drivers/soundwire/amd_manager.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/soundwire/amd_manager.c') diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c index 6172b3cb84d4..d55706e87d83 100644 --- a/drivers/soundwire/amd_manager.c +++ b/drivers/soundwire/amd_manager.c @@ -831,6 +831,13 @@ 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); + writel(0x00, amd_manager->acp_mmio + ACP_SW_WAKE_EN(amd_manager->instance)); + 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 = @@ -842,6 +849,9 @@ static void amd_sdw_irq_thread(struct work_struct *work) status_change_0to7 = 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 { -- cgit