1 files changed, 61 insertions, 32 deletions

diff --git a/sound/soc/intel/avs/cnl.c b/sound/soc/intel/avs/cnl.c
index 5423c29ecc..bd3c4bb8bf 100644
--- a/sound/soc/intel/avs/cnl.c
+++ b/sound/soc/intel/avs/cnl.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 //
-// Copyright(c) 2021-2024 Intel Corporation. All rights reserved.
+// Copyright(c) 2021-2024 Intel Corporation
 //
 // Authors: Cezary Rojewski <cezary.rojewski@intel.com>
 //          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
@@ -10,44 +10,73 @@
 #include "avs.h"
 #include "messages.h"
 
-irqreturn_t avs_cnl_irq_thread(struct avs_dev *adev)
+static void avs_cnl_ipc_interrupt(struct avs_dev *adev)
 {
-	union avs_reply_msg msg;
-	u32 hipctdr, hipctdd, hipctda;
-
-	hipctdr = snd_hdac_adsp_readl(adev, CNL_ADSP_REG_HIPCTDR);
-	hipctdd = snd_hdac_adsp_readl(adev, CNL_ADSP_REG_HIPCTDD);
-
-	/* Ensure DSP sent new response to process. */
-	if (!(hipctdr & CNL_ADSP_HIPCTDR_BUSY))
-		return IRQ_NONE;
-
-	msg.primary = hipctdr;
-	msg.ext.val = hipctdd;
-	avs_dsp_process_response(adev, msg.val);
-
-	/* Tell DSP we accepted its message. */
-	snd_hdac_adsp_updatel(adev, CNL_ADSP_REG_HIPCTDR,
-			      CNL_ADSP_HIPCTDR_BUSY, CNL_ADSP_HIPCTDR_BUSY);
-	/* Ack this response. */
-	snd_hdac_adsp_updatel(adev, CNL_ADSP_REG_HIPCTDA,
-			      CNL_ADSP_HIPCTDA_DONE, CNL_ADSP_HIPCTDA_DONE);
-	/* HW might have been clock gated, give some time for change to propagate. */
-	snd_hdac_adsp_readl_poll(adev, CNL_ADSP_REG_HIPCTDA, hipctda,
-				 !(hipctda & CNL_ADSP_HIPCTDA_DONE), 10, 1000);
-	/* Unmask busy interrupt. */
-	snd_hdac_adsp_updatel(adev, CNL_ADSP_REG_HIPCCTL,
-			      AVS_ADSP_HIPCCTL_BUSY, AVS_ADSP_HIPCCTL_BUSY);
-
-	return IRQ_HANDLED;
+	const struct avs_spec *spec = adev->spec;
+	u32 hipc_ack, hipc_rsp;
+
+	snd_hdac_adsp_updatel(adev, spec->hipc->ctl_offset,
+			      AVS_ADSP_HIPCCTL_DONE | AVS_ADSP_HIPCCTL_BUSY, 0);
+
+	hipc_ack = snd_hdac_adsp_readl(adev, spec->hipc->ack_offset);
+	hipc_rsp = snd_hdac_adsp_readl(adev, spec->hipc->rsp_offset);
+
+	/* DSP acked host's request. */
+	if (hipc_ack & spec->hipc->ack_done_mask) {
+		complete(&adev->ipc->done_completion);
+
+		/* Tell DSP it has our attention. */
+		snd_hdac_adsp_updatel(adev, spec->hipc->ack_offset, spec->hipc->ack_done_mask,
+				      spec->hipc->ack_done_mask);
+	}
+
+	/* DSP sent new response to process. */
+	if (hipc_rsp & spec->hipc->rsp_busy_mask) {
+		union avs_reply_msg msg;
+		u32 hipctda;
+
+		msg.primary = snd_hdac_adsp_readl(adev, CNL_ADSP_REG_HIPCTDR);
+		msg.ext.val = snd_hdac_adsp_readl(adev, CNL_ADSP_REG_HIPCTDD);
+
+		avs_dsp_process_response(adev, msg.val);
+
+		/* Tell DSP we accepted its message. */
+		snd_hdac_adsp_updatel(adev, CNL_ADSP_REG_HIPCTDR,
+				      CNL_ADSP_HIPCTDR_BUSY, CNL_ADSP_HIPCTDR_BUSY);
+		/* Ack this response. */
+		snd_hdac_adsp_updatel(adev, CNL_ADSP_REG_HIPCTDA,
+				      CNL_ADSP_HIPCTDA_DONE, CNL_ADSP_HIPCTDA_DONE);
+		/* HW might have been clock gated, give some time for change to propagate. */
+		snd_hdac_adsp_readl_poll(adev, CNL_ADSP_REG_HIPCTDA, hipctda,
+					 !(hipctda & CNL_ADSP_HIPCTDA_DONE), 10, 1000);
+	}
+
+	snd_hdac_adsp_updatel(adev, spec->hipc->ctl_offset,
+			      AVS_ADSP_HIPCCTL_DONE | AVS_ADSP_HIPCCTL_BUSY,
+			      AVS_ADSP_HIPCCTL_DONE | AVS_ADSP_HIPCCTL_BUSY);
+}
+
+irqreturn_t avs_cnl_dsp_interrupt(struct avs_dev *adev)
+{
+	u32 adspis = snd_hdac_adsp_readl(adev, AVS_ADSP_REG_ADSPIS);
+	irqreturn_t ret = IRQ_NONE;
+
+	if (adspis == UINT_MAX)
+		return ret;
+
+	if (adspis & AVS_ADSP_ADSPIS_IPC) {
+		avs_cnl_ipc_interrupt(adev);
+		ret = IRQ_HANDLED;
+	}
+
+	return ret;
 }
 
 const struct avs_dsp_ops avs_cnl_dsp_ops = {
 	.power = avs_dsp_core_power,
 	.reset = avs_dsp_core_reset,
 	.stall = avs_dsp_core_stall,
-	.irq_handler = avs_irq_handler,
-	.irq_thread = avs_cnl_irq_thread,
+	.dsp_interrupt = avs_cnl_dsp_interrupt,
 	.int_control = avs_dsp_interrupt_control,
 	.load_basefw = avs_hda_load_basefw,
 	.load_lib = avs_hda_load_library,