1 files changed, 13 insertions, 166 deletions

diff --git a/sound/soc/sof/intel/hda-ipc.c b/sound/soc/sof/intel/hda-ipc.c
index 2ecba91f5219..1837f66e361f 100644
--- a/sound/soc/sof/intel/hda-ipc.c
+++ b/sound/soc/sof/intel/hda-ipc.c
@@ -83,10 +83,12 @@ void hda_dsp_ipc_get_reply(struct snd_sof_dev *sdev)
 	}
 
 	hdr = msg->msg_data;
-	if (hdr->cmd == (SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CTX_SAVE)) {
+	if (hdr->cmd == (SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CTX_SAVE) ||
+	    hdr->cmd == (SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_GATE)) {
 		/*
 		 * memory windows are powered off before sending IPC reply,
-		 * so we can't read the mailbox for CTX_SAVE reply.
+		 * so we can't read the mailbox for CTX_SAVE and PM_GATE
+		 * replies.
 		 */
 		reply.error = 0;
 		reply.hdr.cmd = SOF_IPC_GLB_REPLY;
@@ -228,22 +230,15 @@ irqreturn_t hda_dsp_ipc_irq_thread(int irq, void *context)
 				    "nothing to do in IPC IRQ thread\n");
 	}
 
-	/* re-enable IPC interrupt */
-	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIC,
-				HDA_DSP_ADSPIC_IPC, HDA_DSP_ADSPIC_IPC);
-
 	return IRQ_HANDLED;
 }
 
-/* is this IRQ for ADSP ? - we only care about IPC here */
-irqreturn_t hda_dsp_ipc_irq_handler(int irq, void *context)
+/* Check if an IPC IRQ occurred */
+bool hda_dsp_check_ipc_irq(struct snd_sof_dev *sdev)
 {
-	struct snd_sof_dev *sdev = context;
-	int ret = IRQ_NONE;
+	bool ret = false;
 	u32 irq_status;
 
-	spin_lock(&sdev->hw_lock);
-
 	/* store status */
 	irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS);
 	dev_vdbg(sdev->dev, "irq handler: irq_status:0x%x\n", irq_status);
@@ -253,169 +248,21 @@ irqreturn_t hda_dsp_ipc_irq_handler(int irq, void *context)
 		goto out;
 
 	/* IPC message ? */
-	if (irq_status & HDA_DSP_ADSPIS_IPC) {
-		/* disable IPC interrupt */
-		snd_sof_dsp_update_bits_unlocked(sdev, HDA_DSP_BAR,
-						 HDA_DSP_REG_ADSPIC,
-						 HDA_DSP_ADSPIC_IPC, 0);
-		ret = IRQ_WAKE_THREAD;
-	}
+	if (irq_status & HDA_DSP_ADSPIS_IPC)
+		ret = true;
 
 out:
-	spin_unlock(&sdev->hw_lock);
 	return ret;
 }
 
-/* IPC Firmware ready */
-
-static void ipc_get_windows(struct snd_sof_dev *sdev)
+int hda_dsp_ipc_get_mailbox_offset(struct snd_sof_dev *sdev)
 {
-	struct sof_ipc_window_elem *elem;
-	u32 outbox_offset = 0;
-	u32 stream_offset = 0;
-	u32 inbox_offset = 0;
-	u32 outbox_size = 0;
-	u32 stream_size = 0;
-	u32 inbox_size = 0;
-	int i;
-
-	if (!sdev->info_window) {
-		dev_err(sdev->dev, "error: have no window info\n");
-		return;
-	}
-
-	for (i = 0; i < sdev->info_window->num_windows; i++) {
-		elem = &sdev->info_window->window[i];
-
-		switch (elem->type) {
-		case SOF_IPC_REGION_UPBOX:
-			inbox_offset =
-				elem->offset + SRAM_WINDOW_OFFSET(elem->id);
-			inbox_size = elem->size;
-			snd_sof_debugfs_io_item(sdev,
-						sdev->bar[HDA_DSP_BAR] +
-						inbox_offset,
-						elem->size, "inbox",
-						SOF_DEBUGFS_ACCESS_D0_ONLY);
-			break;
-		case SOF_IPC_REGION_DOWNBOX:
-			outbox_offset =
-				elem->offset + SRAM_WINDOW_OFFSET(elem->id);
-			outbox_size = elem->size;
-			snd_sof_debugfs_io_item(sdev,
-						sdev->bar[HDA_DSP_BAR] +
-						outbox_offset,
-						elem->size, "outbox",
-						SOF_DEBUGFS_ACCESS_D0_ONLY);
-			break;
-		case SOF_IPC_REGION_TRACE:
-			snd_sof_debugfs_io_item(sdev,
-						sdev->bar[HDA_DSP_BAR] +
-						elem->offset +
-						SRAM_WINDOW_OFFSET
-						(elem->id),
-						elem->size, "etrace",
-						SOF_DEBUGFS_ACCESS_D0_ONLY);
-			break;
-		case SOF_IPC_REGION_DEBUG:
-			snd_sof_debugfs_io_item(sdev,
-						sdev->bar[HDA_DSP_BAR] +
-						elem->offset +
-						SRAM_WINDOW_OFFSET
-						(elem->id),
-						elem->size, "debug",
-						SOF_DEBUGFS_ACCESS_D0_ONLY);
-			break;
-		case SOF_IPC_REGION_STREAM:
-			stream_offset =
-				elem->offset + SRAM_WINDOW_OFFSET(elem->id);
-			stream_size = elem->size;
-			snd_sof_debugfs_io_item(sdev,
-						sdev->bar[HDA_DSP_BAR] +
-						elem->offset +
-						SRAM_WINDOW_OFFSET
-						(elem->id),
-						elem->size, "stream",
-						SOF_DEBUGFS_ACCESS_D0_ONLY);
-			break;
-		case SOF_IPC_REGION_REGS:
-			snd_sof_debugfs_io_item(sdev,
-						sdev->bar[HDA_DSP_BAR] +
-						elem->offset +
-						SRAM_WINDOW_OFFSET
-						(elem->id),
-						elem->size, "regs",
-						SOF_DEBUGFS_ACCESS_D0_ONLY);
-			break;
-		case SOF_IPC_REGION_EXCEPTION:
-			sdev->dsp_oops_offset = elem->offset +
-						SRAM_WINDOW_OFFSET(elem->id);
-			snd_sof_debugfs_io_item(sdev,
-						sdev->bar[HDA_DSP_BAR] +
-						elem->offset +
-						SRAM_WINDOW_OFFSET
-						(elem->id),
-						elem->size, "exception",
-						SOF_DEBUGFS_ACCESS_D0_ONLY);
-			break;
-		default:
-			dev_err(sdev->dev, "error: get illegal window info\n");
-			return;
-		}
-	}
-
-	if (outbox_size == 0 || inbox_size == 0) {
-		dev_err(sdev->dev, "error: get illegal mailbox window\n");
-		return;
-	}
-
-	snd_sof_dsp_mailbox_init(sdev, inbox_offset, inbox_size,
-				 outbox_offset, outbox_size);
-	sdev->stream_box.offset = stream_offset;
-	sdev->stream_box.size = stream_size;
-
-	dev_dbg(sdev->dev, " mailbox upstream 0x%x - size 0x%x\n",
-		inbox_offset, inbox_size);
-	dev_dbg(sdev->dev, " mailbox downstream 0x%x - size 0x%x\n",
-		outbox_offset, outbox_size);
-	dev_dbg(sdev->dev, " stream region 0x%x - size 0x%x\n",
-		stream_offset, stream_size);
+	return HDA_DSP_MBOX_UPLINK_OFFSET;
 }
 
-/* check for ABI compatibility and create memory windows on first boot */
-int hda_dsp_ipc_fw_ready(struct snd_sof_dev *sdev, u32 msg_id)
+int hda_dsp_ipc_get_window_offset(struct snd_sof_dev *sdev, u32 id)
 {
-	struct sof_ipc_fw_ready *fw_ready = &sdev->fw_ready;
-	u32 offset;
-	int ret;
-
-	/* mailbox must be on 4k boundary */
-	offset = HDA_DSP_MBOX_UPLINK_OFFSET;
-
-	dev_dbg(sdev->dev, "ipc: DSP is ready 0x%8.8x offset 0x%x\n",
-		msg_id, offset);
-
-	/* no need to re-check version/ABI for subsequent boots */
-	if (!sdev->first_boot)
-		return 0;
-
-	/* copy data from the DSP FW ready offset */
-	sof_block_read(sdev, sdev->mmio_bar, offset, fw_ready,
-		       sizeof(*fw_ready));
-
-	/* make sure ABI version is compatible */
-	ret = snd_sof_ipc_valid(sdev);
-	if (ret < 0)
-		return ret;
-
-	/* now check for extended data */
-	snd_sof_fw_parse_ext_data(sdev, sdev->mmio_bar,
-				  HDA_DSP_MBOX_UPLINK_OFFSET +
-				  sizeof(struct sof_ipc_fw_ready));
-
-	ipc_get_windows(sdev);
-
-	return 0;
+	return SRAM_WINDOW_OFFSET(id);
 }
 
 void hda_ipc_msg_data(struct snd_sof_dev *sdev,