Commit 66c87883 authored by Vijendar Mukunda's avatar Vijendar Mukunda Committed by Vinod Koul
Browse files

soundwire: amd: handle SoundWire wake enable interrupt 



Add wake enable interrupt support for both the SoundWire manager
instances.

Signed-off-by: default avatarVijendar Mukunda <Vijendar.Mukunda@amd.com>
Signed-off-by: default avatarMastan Katragadda <Mastan.Katragadda@amd.com>
Reviewed-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
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: default avatarVinod Koul <vkoul@kernel.org>
parent 81ff58ff

drivers/soundwire/amd_manager.c

+10 −0
Original line number Diff line number Diff line
@@ -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 {

drivers/soundwire/amd_manager.h

+1 −0
Original line number Diff line number Diff line
@@ -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)



static u32 amd_sdw_freq_tbl[AMD_SDW_MAX_FREQ_NUM] = {

	AMD_SDW_DEFAULT_CLK_FREQ,