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soundwire: amd: handle SoundWire wake enable interrupt

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

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Signed-off-by: Mastan Katragadda <Mastan.Katragadda@amd.com>
Reviewed-by: Pierre-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: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Vijendar Mukunda 2023-03-21 10:39:00 +05:30 committed by Vinod Koul
parent 81ff58ff71
commit 66c878838f
2 changed files with 11 additions and 0 deletions
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10
drivers/soundwire/amd_manager.c
View File

@ -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 {

1
drivers/soundwire/amd_manager.h
View File

@ -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,