1 files changed, 10 insertions, 37 deletions

diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c
index 42028ace06..6bcf8e7527 100644
--- a/drivers/soundwire/amd_manager.c
+++ b/drivers/soundwire/amd_manager.c
@@ -1,8 +1,8 @@
-// SPDX-License-Identifier: GPL-2.0+
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
 /*
  * SoundWire AMD Manager driver
  *
- * Copyright 2023 Advanced Micro Devices, Inc.
+ * Copyright 2023-24 Advanced Micro Devices, Inc.
  */
 
 #include <linux/completion.h>
@@ -19,29 +19,13 @@
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 #include "bus.h"
+#include "amd_init.h"
 #include "amd_manager.h"
 
 #define DRV_NAME "amd_sdw_manager"
 
 #define to_amd_sdw(b)	container_of(b, struct amd_sdw_manager, bus)
 
-static void amd_enable_sdw_pads(struct amd_sdw_manager *amd_manager)
-{
-	u32 sw_pad_pulldown_val;
-	u32 val;
-
-	mutex_lock(amd_manager->acp_sdw_lock);
-	val = readl(amd_manager->acp_mmio + ACP_SW_PAD_KEEPER_EN);
-	val |= amd_manager->reg_mask->sw_pad_enable_mask;
-	writel(val, amd_manager->acp_mmio + ACP_SW_PAD_KEEPER_EN);
-	usleep_range(1000, 1500);
-
-	sw_pad_pulldown_val = readl(amd_manager->acp_mmio + ACP_PAD_PULLDOWN_CTRL);
-	sw_pad_pulldown_val &= amd_manager->reg_mask->sw_pad_pulldown_mask;
-	writel(sw_pad_pulldown_val, amd_manager->acp_mmio + ACP_PAD_PULLDOWN_CTRL);
-	mutex_unlock(amd_manager->acp_sdw_lock);
-}
-
 static int amd_init_sdw_manager(struct amd_sdw_manager *amd_manager)
 {
 	u32 val;
@@ -102,12 +86,11 @@ static int amd_disable_sdw_manager(struct amd_sdw_manager *amd_manager)
 
 static void amd_enable_sdw_interrupts(struct amd_sdw_manager *amd_manager)
 {
-	struct sdw_manager_reg_mask *reg_mask = amd_manager->reg_mask;
 	u32 val;
 
 	mutex_lock(amd_manager->acp_sdw_lock);
 	val = readl(amd_manager->acp_mmio + ACP_EXTERNAL_INTR_CNTL(amd_manager->instance));
-	val |= reg_mask->acp_sdw_intr_mask;
+	val |= sdw_manager_reg_mask_array[amd_manager->instance];
 	writel(val, amd_manager->acp_mmio + ACP_EXTERNAL_INTR_CNTL(amd_manager->instance));
 	mutex_unlock(amd_manager->acp_sdw_lock);
 
@@ -120,12 +103,11 @@ static void amd_enable_sdw_interrupts(struct amd_sdw_manager *amd_manager)
 
 static void amd_disable_sdw_interrupts(struct amd_sdw_manager *amd_manager)
 {
-	struct sdw_manager_reg_mask *reg_mask = amd_manager->reg_mask;
 	u32 val;
 
 	mutex_lock(amd_manager->acp_sdw_lock);
 	val = readl(amd_manager->acp_mmio + ACP_EXTERNAL_INTR_CNTL(amd_manager->instance));
-	val &= ~reg_mask->acp_sdw_intr_mask;
+	val &= ~sdw_manager_reg_mask_array[amd_manager->instance];
 	writel(val, amd_manager->acp_mmio + ACP_EXTERNAL_INTR_CNTL(amd_manager->instance));
 	mutex_unlock(amd_manager->acp_sdw_lock);
 
@@ -877,23 +859,20 @@ static void amd_sdw_irq_thread(struct work_struct *work)
 	writel(0x00, amd_manager->mmio + ACP_SW_STATE_CHANGE_STATUS_0TO7);
 }
 
-static void amd_sdw_probe_work(struct work_struct *work)
+int amd_sdw_manager_start(struct amd_sdw_manager *amd_manager)
 {
-	struct amd_sdw_manager *amd_manager = container_of(work, struct amd_sdw_manager,
-							   probe_work);
 	struct sdw_master_prop *prop;
 	int ret;
 
 	prop = &amd_manager->bus.prop;
 	if (!prop->hw_disabled) {
-		amd_enable_sdw_pads(amd_manager);
 		ret = amd_init_sdw_manager(amd_manager);
 		if (ret)
-			return;
+			return ret;
 		amd_enable_sdw_interrupts(amd_manager);
 		ret = amd_enable_sdw_manager(amd_manager);
 		if (ret)
-			return;
+			return ret;
 		amd_sdw_set_frameshape(amd_manager);
 	}
 	/* Enable runtime PM */
@@ -902,6 +881,7 @@ static void amd_sdw_probe_work(struct work_struct *work)
 	pm_runtime_mark_last_busy(amd_manager->dev);
 	pm_runtime_set_active(amd_manager->dev);
 	pm_runtime_enable(amd_manager->dev);
+	return 0;
 }
 
 static int amd_sdw_manager_probe(struct platform_device *pdev)
@@ -961,7 +941,6 @@ static int amd_sdw_manager_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	amd_manager->reg_mask = &sdw_manager_reg_mask_array[amd_manager->instance];
 	params = &amd_manager->bus.params;
 
 	params->col = AMD_SDW_DEFAULT_COLUMNS;
@@ -985,11 +964,6 @@ static int amd_sdw_manager_probe(struct platform_device *pdev)
 	dev_set_drvdata(dev, amd_manager);
 	INIT_WORK(&amd_manager->amd_sdw_irq_thread, amd_sdw_irq_thread);
 	INIT_WORK(&amd_manager->amd_sdw_work, amd_sdw_update_slave_status_work);
-	INIT_WORK(&amd_manager->probe_work, amd_sdw_probe_work);
-	/*
-	 * Instead of having lengthy probe sequence, use deferred probe.
-	 */
-	schedule_work(&amd_manager->probe_work);
 	return 0;
 }
 
@@ -999,7 +973,6 @@ static void amd_sdw_manager_remove(struct platform_device *pdev)
 	int ret;
 
 	pm_runtime_disable(&pdev->dev);
-	cancel_work_sync(&amd_manager->probe_work);
 	amd_disable_sdw_interrupts(amd_manager);
 	sdw_bus_master_delete(&amd_manager->bus);
 	ret = amd_disable_sdw_manager(amd_manager);
@@ -1230,5 +1203,5 @@ module_platform_driver(amd_sdw_driver);
 
 MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
 MODULE_DESCRIPTION("AMD SoundWire driver");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("Dual BSD/GPL");
 MODULE_ALIAS("platform:" DRV_NAME);