ASoC: MediaTek MT8195/86 Cleanups

Merge series from AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>:

This series performs some cleanups for mainly MT8195 and switches
both MT8195 and MT8186's SOF driver to the snd_sof_ipc_process_reply()
helper.

sound/soc/mediatek/mt8195/mt8195-afe-pcm.c

@@ -3030,28 +3030,6 @@ static const struct reg_sequence mt8195_cg_patch[] = {
 	{ AUDIO_TOP_CON1, 0xfffffff8 },
 };
 
-static int mt8195_afe_init_registers(struct mtk_base_afe *afe)
-{
-	return regmap_multi_reg_write(afe->regmap,
-			mt8195_afe_reg_defaults,
-			ARRAY_SIZE(mt8195_afe_reg_defaults));
-}
-
-static void mt8195_afe_parse_of(struct mtk_base_afe *afe,
-				struct device_node *np)
-{
-#if IS_ENABLED(CONFIG_SND_SOC_MT6359)
-	struct mt8195_afe_private *afe_priv = afe->platform_priv;
-
-	afe_priv->topckgen = syscon_regmap_lookup_by_phandle(afe->dev->of_node,
-							     "mediatek,topckgen");
-	if (IS_ERR(afe_priv->topckgen)) {
-		dev_info(afe->dev, "%s() Cannot find topckgen controller: %ld\n",
-			 __func__, PTR_ERR(afe_priv->topckgen));
-	}
-#endif
-}
-
 static int mt8195_afe_pcm_dev_probe(struct platform_device *pdev)
 {
 	struct mtk_base_afe *afe;
@@ -3062,10 +3040,8 @@ static int mt8195_afe_pcm_dev_probe(struct platform_device *pdev)
 	struct snd_soc_component *component;
 
 	ret = of_reserved_mem_device_init(dev);
-	if (ret) {
-		dev_err(dev, "failed to assign memory region: %d\n", ret);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to assign memory region\n");
 
 	ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(33));
 	if (ret)
@@ -3089,24 +3065,17 @@ static int mt8195_afe_pcm_dev_probe(struct platform_device *pdev)
 
 	/* initial audio related clock */
 	ret = mt8195_afe_init_clock(afe);
-	if (ret) {
-		dev_err(dev, "init clock error\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "init clock error\n");
 
 	/* reset controller to reset audio regs before regmap cache */
 	rstc = devm_reset_control_get_exclusive(dev, "audiosys");
-	if (IS_ERR(rstc)) {
-		ret = PTR_ERR(rstc);
-		dev_err(dev, "could not get audiosys reset:%d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(rstc))
+		return dev_err_probe(dev, PTR_ERR(rstc), "could not get audiosys reset\n");
 
 	ret = reset_control_reset(rstc);
-	if (ret) {
-		dev_err(dev, "failed to trigger audio reset:%d\n", ret);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to trigger audio reset\n");
 
 	spin_lock_init(&afe_priv->afe_ctrl_lock);
 
@@ -3143,30 +3112,22 @@ static int mt8195_afe_pcm_dev_probe(struct platform_device *pdev)
 
 	ret = devm_request_irq(dev, irq_id, mt8195_afe_irq_handler,
 			       IRQF_TRIGGER_NONE, "asys-isr", (void *)afe);
-	if (ret) {
-		dev_err(dev, "could not request_irq for asys-isr\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "could not request_irq for asys-isr\n");
 
 	/* init sub_dais */
 	INIT_LIST_HEAD(&afe->sub_dais);
 
 	for (i = 0; i < ARRAY_SIZE(dai_register_cbs); i++) {
 		ret = dai_register_cbs[i](afe);
-		if (ret) {
-			dev_warn(dev, "dai register i %d fail, ret %d\n",
-				 i, ret);
-			return ret;
-		}
+		if (ret)
+			return dev_err_probe(dev, ret, "dai cb%i register fail\n", i);
 	}
 
 	/* init dai_driver and component_driver */
 	ret = mtk_afe_combine_sub_dai(afe);
-	if (ret) {
-		dev_warn(dev, "mtk_afe_combine_sub_dai fail, ret %d\n",
-			 ret);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "mtk_afe_combine_sub_dai fail\n");
 
 	afe->mtk_afe_hardware = &mt8195_afe_hardware;
 	afe->memif_fs = mt8195_memif_fs;
@@ -3177,18 +3138,21 @@ static int mt8195_afe_pcm_dev_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, afe);
 
-	mt8195_afe_parse_of(afe, pdev->dev.of_node);
-
-	pm_runtime_enable(dev);
-	if (!pm_runtime_enabled(dev)) {
-		ret = mt8195_afe_runtime_resume(dev);
-		if (ret)
-			return ret;
-	}
+	afe_priv->topckgen = syscon_regmap_lookup_by_phandle(dev->of_node, "mediatek,topckgen");
+	if (IS_ERR(afe_priv->topckgen))
+		dev_dbg(afe->dev, "Cannot find topckgen controller: %ld\n",
+			PTR_ERR(afe_priv->topckgen));
 
 	/* enable clock for regcache get default value from hw */
 	afe_priv->pm_runtime_bypass_reg_ctl = true;
-	pm_runtime_get_sync(dev);
+
+	ret = devm_pm_runtime_enable(dev);
+	if (ret)
+		return ret;
+
+	ret = pm_runtime_resume_and_get(dev);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to resume device\n");
 
 	afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr,
 					    &mt8195_afe_regmap_config);
@@ -3236,9 +3200,15 @@ static int mt8195_afe_pcm_dev_probe(struct platform_device *pdev)
 		goto err_pm_put;
 	}
 
-	mt8195_afe_init_registers(afe);
+	ret = regmap_multi_reg_write(afe->regmap, mt8195_afe_reg_defaults,
+				     ARRAY_SIZE(mt8195_afe_reg_defaults));
+	if (ret)
+		goto err_pm_put;
+
+	ret = pm_runtime_put_sync(dev);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to suspend device\n");
 
-	pm_runtime_put_sync(dev);
 	afe_priv->pm_runtime_bypass_reg_ctl = false;
 
 	regcache_cache_only(afe->regmap, true);
@@ -3248,7 +3218,6 @@ static int mt8195_afe_pcm_dev_probe(struct platform_device *pdev)
 
 err_pm_put:
 	pm_runtime_put_sync(dev);
-	pm_runtime_disable(dev);
 
 	return ret;
 }

sound/soc/sof/mediatek/mt8186/mt8186.c

@@ -48,47 +48,13 @@ static int mt8186_send_msg(struct snd_sof_dev *sdev,
 	return mtk_adsp_ipc_send(priv->dsp_ipc, MTK_ADSP_IPC_REQ, MTK_ADSP_IPC_OP_REQ);
 }
 
-static void mt8186_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 mt8186_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);
-	mt8186_get_reply(priv->sdev);
-	snd_sof_ipc_reply(priv->sdev, 0);
+	snd_sof_ipc_process_reply(priv->sdev, 0);
 	spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags);
 }
 

sound/soc/sof/mediatek/mt8195/mt8195.c

@@ -49,47 +49,13 @@ static int mt8195_send_msg(struct snd_sof_dev *sdev,
 	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);
+	snd_sof_ipc_process_reply(priv->sdev, 0);
 	spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags);
 }