1 files changed, 183 insertions, 9 deletions

diff --git a/sound/soc/sof/mediatek/mt8195/mt8195.c b/sound/soc/sof/mediatek/mt8195/mt8195.c
index 3ab12f352935..30111ab23bf5 100644
--- a/sound/soc/sof/mediatek/mt8195/mt8195.c
+++ b/sound/soc/sof/mediatek/mt8195/mt8195.c
@@ -24,9 +24,103 @@
 #include "../../sof-of-dev.h"
 #include "../../sof-audio.h"
 #include "../adsp_helper.h"
+#include "../mtk-adsp-common.h"
 #include "mt8195.h"
 #include "mt8195-clk.h"
 
+static int mt8195_get_mailbox_offset(struct snd_sof_dev *sdev)
+{
+	return MBOX_OFFSET;
+}
+
+static int mt8195_get_window_offset(struct snd_sof_dev *sdev, u32 id)
+{
+	return MBOX_OFFSET;
+}
+
+static int mt8195_send_msg(struct snd_sof_dev *sdev,
+			   struct snd_sof_ipc_msg *msg)
+{
+	struct adsp_priv *priv = sdev->pdata->hw_pdata;
+
+	sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,
+			  msg->msg_size);
+
+	return mtk_adsp_ipc_send(priv->dsp_ipc, MTK_ADSP_IPC_REQ, MTK_ADSP_IPC_OP_REQ);
+}
+
+static void mt8195_get_reply(struct snd_sof_dev *sdev)
+{
+	struct snd_sof_ipc_msg *msg = sdev->msg;
+	struct sof_ipc_reply reply;
+	int ret = 0;
+
+	if (!msg) {
+		dev_warn(sdev->dev, "unexpected ipc interrupt\n");
+		return;
+	}
+
+	/* get reply */
+	sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply));
+	if (reply.error < 0) {
+		memcpy(msg->reply_data, &reply, sizeof(reply));
+		ret = reply.error;
+	} else {
+		/* reply has correct size? */
+		if (reply.hdr.size != msg->reply_size) {
+			dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n",
+				msg->reply_size, reply.hdr.size);
+			ret = -EINVAL;
+		}
+
+		/* read the message */
+		if (msg->reply_size > 0)
+			sof_mailbox_read(sdev, sdev->host_box.offset,
+					 msg->reply_data, msg->reply_size);
+	}
+
+	msg->reply_error = ret;
+}
+
+static void mt8195_dsp_handle_reply(struct mtk_adsp_ipc *ipc)
+{
+	struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc);
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->sdev->ipc_lock, flags);
+	mt8195_get_reply(priv->sdev);
+	snd_sof_ipc_reply(priv->sdev, 0);
+	spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags);
+}
+
+static void mt8195_dsp_handle_request(struct mtk_adsp_ipc *ipc)
+{
+	struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc);
+	u32 p; /* panic code */
+	int ret;
+
+	/* Read the message from the debug box. */
+	sof_mailbox_read(priv->sdev, priv->sdev->debug_box.offset + 4,
+			 &p, sizeof(p));
+
+	/* Check to see if the message is a panic code 0x0dead*** */
+	if ((p & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) {
+		snd_sof_dsp_panic(priv->sdev, p, true);
+	} else {
+		snd_sof_ipc_msgs_rx(priv->sdev);
+
+		/* tell DSP cmd is done */
+		ret = mtk_adsp_ipc_send(priv->dsp_ipc, MTK_ADSP_IPC_RSP, MTK_ADSP_IPC_OP_RSP);
+		if (ret)
+			dev_err(priv->dev, "request send ipc failed");
+	}
+}
+
+static struct mtk_adsp_ipc_ops dsp_ops = {
+	.handle_reply		= mt8195_dsp_handle_reply,
+	.handle_request		= mt8195_dsp_handle_request,
+};
+
 static int platform_parse_resource(struct platform_device *pdev, void *data)
 {
 	struct resource *mmio;
@@ -285,15 +379,36 @@ static int mt8195_dsp_probe(struct snd_sof_dev *sdev)
 	}
 
 	sdev->bar[DSP_REG_BAR] = priv->adsp->va_cfgreg;
-	sdev->bar[DSP_MBOX0_BAR] =  priv->adsp->va_mboxreg[0];
-	sdev->bar[DSP_MBOX1_BAR] =  priv->adsp->va_mboxreg[1];
-	sdev->bar[DSP_MBOX2_BAR] =  priv->adsp->va_mboxreg[2];
 
 	sdev->mmio_bar = SOF_FW_BLK_TYPE_SRAM;
 	sdev->mailbox_bar = SOF_FW_BLK_TYPE_SRAM;
 
+	/* set default mailbox offset for FW ready message */
+	sdev->dsp_box.offset = mt8195_get_mailbox_offset(sdev);
+
+	priv->ipc_dev = platform_device_register_data(&pdev->dev, "mtk-adsp-ipc",
+						      PLATFORM_DEVID_NONE,
+						      pdev, sizeof(*pdev));
+	if (IS_ERR(priv->ipc_dev)) {
+		ret = PTR_ERR(priv->ipc_dev);
+		dev_err(sdev->dev, "failed to register mtk-adsp-ipc device\n");
+		goto err_adsp_sram_power_off;
+	}
+
+	priv->dsp_ipc = dev_get_drvdata(&priv->ipc_dev->dev);
+	if (!priv->dsp_ipc) {
+		ret = -EPROBE_DEFER;
+		dev_err(sdev->dev, "failed to get drvdata\n");
+		goto exit_pdev_unregister;
+	}
+
+	mtk_adsp_ipc_set_data(priv->dsp_ipc, priv);
+	priv->dsp_ipc->ops = &dsp_ops;
+
 	return 0;
 
+exit_pdev_unregister:
+	platform_device_unregister(priv->ipc_dev);
 err_adsp_sram_power_off:
 	adsp_sram_power_on(&pdev->dev, false);
 exit_clk_disable:
@@ -302,10 +417,17 @@ exit_clk_disable:
 	return ret;
 }
 
+static int mt8195_dsp_shutdown(struct snd_sof_dev *sdev)
+{
+	return snd_sof_suspend(sdev->dev);
+}
+
 static int mt8195_dsp_remove(struct snd_sof_dev *sdev)
 {
 	struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev);
+	struct adsp_priv *priv = sdev->pdata->hw_pdata;
 
+	platform_device_unregister(priv->ipc_dev);
 	adsp_sram_power_on(&pdev->dev, false);
 	adsp_clock_off(sdev);
 
@@ -356,6 +478,39 @@ static int mt8195_get_bar_index(struct snd_sof_dev *sdev, u32 type)
 	return type;
 }
 
+static int mt8195_ipc_msg_data(struct snd_sof_dev *sdev,
+			       struct snd_pcm_substream *substream,
+			       void *p, size_t sz)
+{
+	sof_mailbox_read(sdev, sdev->dsp_box.offset, p, sz);
+	return 0;
+}
+
+static void mt8195_adsp_dump(struct snd_sof_dev *sdev, u32 flags)
+{
+	u32 dbg_pc, dbg_data, dbg_bus0, dbg_bus1, dbg_inst;
+	u32 dbg_ls0stat, dbg_ls1stat, faultbus, faultinfo, swrest;
+
+	/* dump debug registers */
+	dbg_pc = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGPC);
+	dbg_data = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGDATA);
+	dbg_bus0 = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGBUS0);
+	dbg_bus1 = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGBUS1);
+	dbg_inst = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGINST);
+	dbg_ls0stat = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGLS0STAT);
+	dbg_ls1stat = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGLS1STAT);
+	faultbus = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PFAULTBUS);
+	faultinfo = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PFAULTINFO);
+	swrest = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_RESET_SW);
+
+	dev_info(sdev->dev, "adsp dump : pc %#x, data %#x, bus0 %#x, bus1 %#x, swrest %#x",
+		 dbg_pc, dbg_data, dbg_bus0, dbg_bus1, swrest);
+	dev_info(sdev->dev, "dbg_inst %#x, ls0stat %#x, ls1stat %#x, faultbus %#x, faultinfo %#x",
+		 dbg_inst, dbg_ls0stat, dbg_ls1stat, faultbus, faultinfo);
+
+	mtk_adsp_dump(sdev, flags);
+}
+
 static struct snd_soc_dai_driver mt8195_dai[] = {
 {
 	.name = "SOF_DL2",
@@ -388,10 +543,11 @@ static struct snd_soc_dai_driver mt8195_dai[] = {
 };
 
 /* mt8195 ops */
-static const struct snd_sof_dsp_ops sof_mt8195_ops = {
+static struct snd_sof_dsp_ops sof_mt8195_ops = {
 	/* probe and remove */
 	.probe		= mt8195_dsp_probe,
 	.remove		= mt8195_dsp_remove,
+	.shutdown	= mt8195_dsp_shutdown,
 
 	/* DSP core boot */
 	.run		= mt8195_run,
@@ -406,17 +562,25 @@ static const struct snd_sof_dsp_ops sof_mt8195_ops = {
 	.write64	= sof_io_write64,
 	.read64		= sof_io_read64,
 
+	/* ipc */
+	.send_msg		= mt8195_send_msg,
+	.get_mailbox_offset	= mt8195_get_mailbox_offset,
+	.get_window_offset	= mt8195_get_window_offset,
+	.ipc_msg_data		= mt8195_ipc_msg_data,
+	.set_stream_data_offset = sof_set_stream_data_offset,
+
 	/* misc */
 	.get_bar_index	= mt8195_get_bar_index,
 
-	/* module loading */
-	.load_module	= snd_sof_parse_module_memcpy,
 	/* firmware loading */
 	.load_firmware	= snd_sof_load_firmware_memcpy,
 
 	/* Firmware ops */
 	.dsp_arch_ops = &sof_xtensa_arch_ops,
 
+	/* Debug information */
+	.dbg_dump = mt8195_adsp_dump,
+
 	/* DAI drivers */
 	.drv = mt8195_dai,
 	.num_drv = ARRAY_SIZE(mt8195_dai),
@@ -434,11 +598,20 @@ static const struct snd_sof_dsp_ops sof_mt8195_ops = {
 };
 
 static const struct sof_dev_desc sof_of_mt8195_desc = {
-	.default_fw_path = "mediatek/sof",
-	.default_tplg_path = "mediatek/sof-tplg",
-	.default_fw_filename = "sof-mt8195.ri",
+	.ipc_supported_mask	= BIT(SOF_IPC),
+	.ipc_default		= SOF_IPC,
+	.default_fw_path = {
+		[SOF_IPC] = "mediatek/sof",
+	},
+	.default_tplg_path = {
+		[SOF_IPC] = "mediatek/sof-tplg",
+	},
+	.default_fw_filename = {
+		[SOF_IPC] = "sof-mt8195.ri",
+	},
 	.nocodec_tplg_filename = "sof-mt8195-nocodec.tplg",
 	.ops = &sof_mt8195_ops,
+	.ipc_timeout = 1000,
 };
 
 static const struct of_device_id sof_of_mt8195_ids[] = {
@@ -451,6 +624,7 @@ MODULE_DEVICE_TABLE(of, sof_of_mt8195_ids);
 static struct platform_driver snd_sof_of_mt8195_driver = {
 	.probe = sof_of_probe,
 	.remove = sof_of_remove,
+	.shutdown = sof_of_shutdown,
 	.driver = {
 	.name = "sof-audio-of-mt8195",
 		.pm = &sof_of_pm,