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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: alsa-devel@alsa-project.org, pierre-louis.bossart@linux.intel.com, Basavaraj.Hiregoudar@amd.com, Sunil-kumar.Dommati@amd.com, Mario.Limonciello@amd.com, amadeuszx.slawinski@linux.intel.com, Mastan.Katragadda@amd.com, Arungopal.kondaveeti@amd.com, Vijendar Mukunda , Bard Liao , Sanyog Kale , open list X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: 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 --- 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 d074c11088be..1caad2ccdd20 100644 --- a/drivers/soundwire/amd_manager.c +++ b/drivers/soundwire/amd_manager.c @@ -927,6 +927,13 @@ 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 = @@ -938,6 +945,9 @@ 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,