diff options
| author | Vijendar Mukunda <Vijendar.Mukunda@amd.com> | 2023-03-21 08:09:00 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2023-04-12 13:00:36 +0300 |
| commit | 66c878838f37912ba295c41e749a25fc356341ea (patch) | |
| tree | 7b5f8a9d594119854803bd9f6016968a0080a6aa /drivers/soundwire | |
| parent | 81ff58ff71ad9dcddf5caffcf912cde6589d07bd (diff) | |
| download | linux-66c878838f37912ba295c41e749a25fc356341ea.tar.xz | |
soundwire: amd: handle SoundWire wake enable interrupt
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>
Diffstat (limited to 'drivers/soundwire')
| -rw-r--r-- | drivers/soundwire/amd_manager.c | 10 | ||||
| -rw-r--r-- | drivers/soundwire/amd_manager.h | 1 |
2 files changed, 11 insertions, 0 deletions
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 { diff --git a/drivers/soundwire/amd_manager.h b/drivers/soundwire/amd_manager.h index b101f4536230..5f040151a259 100644 --- a/drivers/soundwire/amd_manager.h +++ b/drivers/soundwire/amd_manager.h @@ -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, |