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Message-Id: <20230323054452.1543233-5-yung-chuan.liao@linux.intel.com>
Date:   Thu, 23 Mar 2023 13:44:36 +0800
From:   Bard Liao <yung-chuan.liao@...ux.intel.com>
To:     alsa-devel@...a-project.org, vkoul@...nel.org, broonie@...nel.org
Cc:     vinod.koul@...aro.org, linux-kernel@...r.kernel.org,
        pierre-louis.bossart@...ux.intel.com, bard.liao@...el.com,
        tiwai@...e.de
Subject: [PATCH 04/20] soundwire/ASOC: Intel: update offsets for LunarLake

From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>

The previous settings are not applicable, use a flag to determine what
the register layout is.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Reviewed-by: Rander Wang <rander.wang@...el.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@...ux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
---
 drivers/soundwire/intel.h           |  2 ++
 drivers/soundwire/intel_init.c      | 14 ++++++++++----
 include/linux/soundwire/sdw_intel.h |  2 ++
 sound/soc/sof/intel/hda.c           | 21 +++++++++++++++++----
 4 files changed, 31 insertions(+), 8 deletions(-)

diff --git a/drivers/soundwire/intel.h b/drivers/soundwire/intel.h
index 09d479f2c77b..51aa42a5a824 100644
--- a/drivers/soundwire/intel.h
+++ b/drivers/soundwire/intel.h
@@ -11,6 +11,7 @@
  * @mmio_base: mmio base of SoundWire registers
  * @registers: Link IO registers base
  * @shim: Audio shim pointer
+ * @shim_vs: Audio vendor-specific shim pointer
  * @alh: ALH (Audio Link Hub) pointer
  * @irq: Interrupt line
  * @ops: Shim callback ops
@@ -28,6 +29,7 @@ struct sdw_intel_link_res {
 	void __iomem *mmio_base; /* not strictly needed, useful for debug */
 	void __iomem *registers;
 	void __iomem *shim;
+	void __iomem *shim_vs;
 	void __iomem *alh;
 	int irq;
 	const struct sdw_intel_ops *ops;
diff --git a/drivers/soundwire/intel_init.c b/drivers/soundwire/intel_init.c
index cbe56b993c6c..e0023af9e0e1 100644
--- a/drivers/soundwire/intel_init.c
+++ b/drivers/soundwire/intel_init.c
@@ -63,10 +63,16 @@ static struct sdw_intel_link_dev *intel_link_dev_register(struct sdw_intel_res *
 	link = &ldev->link_res;
 	link->hw_ops = res->hw_ops;
 	link->mmio_base = res->mmio_base;
-	link->registers = res->mmio_base + SDW_LINK_BASE
-		+ (SDW_LINK_SIZE * link_id);
-	link->shim = res->mmio_base + res->shim_base;
-	link->alh = res->mmio_base + res->alh_base;
+	if (!res->ext) {
+		link->registers = res->mmio_base + SDW_LINK_BASE
+			+ (SDW_LINK_SIZE * link_id);
+		link->shim = res->mmio_base + res->shim_base;
+		link->alh = res->mmio_base + res->alh_base;
+	} else {
+		link->registers = res->mmio_base + SDW_IP_BASE(link_id);
+		link->shim = res->mmio_base +  SDW_SHIM2_GENERIC_BASE(link_id);
+		link->shim_vs = res->mmio_base + SDW_SHIM2_VS_BASE(link_id);
+	}
 
 	link->ops = res->ops;
 	link->dev = res->dev;
diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h
index 66687e83a94f..88eb5bf98140 100644
--- a/include/linux/soundwire/sdw_intel.h
+++ b/include/linux/soundwire/sdw_intel.h
@@ -323,6 +323,7 @@ struct sdw_intel_ctx {
  * DSP driver. The quirks are common for all links for now.
  * @shim_base: sdw shim base.
  * @alh_base: sdw alh base.
+ * @ext: extended HDaudio link support
  */
 struct sdw_intel_res {
 	const struct sdw_intel_hw_ops *hw_ops;
@@ -337,6 +338,7 @@ struct sdw_intel_res {
 	u32 clock_stop_quirks;
 	u32 shim_base;
 	u32 alh_base;
+	bool ext;
 };
 
 /*
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
index 81c697e20108..db103524be4f 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -198,6 +198,7 @@ static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
 
 static int hda_sdw_probe(struct snd_sof_dev *sdev)
 {
+	const struct sof_intel_dsp_desc *chip;
 	struct sof_intel_hda_dev *hdev;
 	struct sdw_intel_res res;
 	void *sdw;
@@ -206,10 +207,22 @@ static int hda_sdw_probe(struct snd_sof_dev *sdev)
 
 	memset(&res, 0, sizeof(res));
 
-	res.hw_ops = &sdw_intel_cnl_hw_ops;
-	res.mmio_base = sdev->bar[HDA_DSP_BAR];
-	res.shim_base = hdev->desc->sdw_shim_base;
-	res.alh_base = hdev->desc->sdw_alh_base;
+	chip = get_chip_info(sdev->pdata);
+	if (chip->hw_ip_version < SOF_INTEL_ACE_2_0) {
+		res.mmio_base = sdev->bar[HDA_DSP_BAR];
+		res.hw_ops = &sdw_intel_cnl_hw_ops;
+		res.shim_base = hdev->desc->sdw_shim_base;
+		res.alh_base = hdev->desc->sdw_alh_base;
+		res.ext = false;
+	} else {
+		res.mmio_base = sdev->bar[HDA_DSP_HDA_BAR];
+		/*
+		 * the SHIM and SoundWire register offsets are link-specific
+		 * and will be determined when adding auxiliary devices
+		 */
+		res.hw_ops = &sdw_intel_lnl_hw_ops;
+		res.ext = true;
+	}
 	res.irq = sdev->ipc_irq;
 	res.handle = hdev->info.handle;
 	res.parent = sdev->dev;
-- 
2.25.1

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