From: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
To: <vkoul@kernel.org>
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 <Vijendar.Mukunda@amd.com>,
Bard Liao <yung-chuan.liao@linux.intel.com>,
Sanyog Kale <sanyog.r.kale@intel.com>,
open list <linux-kernel@vger.kernel.org>
Subject: [PATCH V4 7/8] soundwire: amd: handle SoundWire wake enable interrupt
Date: Mon, 27 Feb 2023 21:18:00 +0530 [thread overview]
Message-ID: <20230227154801.50319-8-Vijendar.Mukunda@amd.com> (raw)
In-Reply-To: <20230227154801.50319-1-Vijendar.Mukunda@amd.com>
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>
---
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 12345077c395..88f0ad7ea7ec 100644
--- a/drivers/soundwire/amd_manager.c
+++ b/drivers/soundwire/amd_manager.c
@@ -922,6 +922,13 @@ 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 =
@@ -933,6 +940,9 @@ 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,
--
2.34.1
next prev parent reply other threads:[~2023-02-27 15:45 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20230227154801.50319-1-Vijendar.Mukunda@amd.com>
2023-02-27 15:47 ` [PATCH V4 1/8] soundwire: export sdw_compute_slave_ports() function Vijendar Mukunda
2023-02-27 15:47 ` [PATCH V4 2/8] soundwire: amd: Add support for AMD Manager driver Vijendar Mukunda
2023-02-27 16:35 ` Pierre-Louis Bossart
2023-02-27 18:08 ` Mukunda,Vijendar
2023-02-27 18:08 ` Mario Limonciello
2023-02-27 15:47 ` [PATCH V4 3/8] soundwire: amd: register SoundWire manager dai ops Vijendar Mukunda
2023-02-27 16:37 ` Pierre-Louis Bossart
2023-02-27 15:47 ` [PATCH V4 4/8] soundwire: amd: enable build for AMD SoundWire manager driver Vijendar Mukunda
2023-02-27 15:47 ` [PATCH V4 5/8] soundwire: amd: add SoundWire manager interrupt handling Vijendar Mukunda
2023-02-27 16:38 ` Pierre-Louis Bossart
2023-02-27 15:47 ` [PATCH V4 6/8] soundwire: amd: add runtime pm ops for AMD SoundWire manager driver Vijendar Mukunda
2023-02-27 17:01 ` Pierre-Louis Bossart
2023-02-28 10:30 ` Claudiu.Beznea
2023-02-27 15:48 ` Vijendar Mukunda [this message]
2023-02-27 17:02 ` [PATCH V4 7/8] soundwire: amd: handle SoundWire wake enable interrupt Pierre-Louis Bossart
2023-02-27 15:48 ` [PATCH V4 8/8] soundwire: amd: add pm_prepare callback and pm ops support Vijendar Mukunda
2023-02-27 17:07 ` Pierre-Louis Bossart
2023-02-27 18:42 ` Mukunda,Vijendar
2023-02-27 19:40 ` Pierre-Louis Bossart
2023-02-28 1:03 ` Mukunda,Vijendar
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