1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
26 	 * tell DSP cmd is done - clear busy  in hda_dsp_ipc_host_done()
44 	 * set DONE bit - tell DSP we have received the reply msg  in hda_dsp_ipc_dsp_done()
61 	/* send IPC message to DSP */  in hda_dsp_ipc_send_msg()
62 	sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,  in hda_dsp_ipc_send_msg()
63 			  msg->msg_size);  in hda_dsp_ipc_send_msg()
72 	struct sof_ipc4_msg *msg_data = msg->msg_data;  in hda_dsp_ipc4_send_msg()
75 	if (msg_data->data_size)  in hda_dsp_ipc4_send_msg()
76 		sof_mailbox_write(sdev, sdev->host_box.offset, msg_data->data_ptr,  in hda_dsp_ipc4_send_msg()
77 				  msg_data->data_size);  in hda_dsp_ipc4_send_msg()
79 	snd_sof_dsp_write(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE, msg_data->extension);  in hda_dsp_ipc4_send_msg()
81 			  msg_data->primary | HDA_DSP_REG_HIPCI_BUSY);  in hda_dsp_ipc4_send_msg()
88 	struct snd_sof_ipc_msg *msg = sdev->msg;  in hda_dsp_ipc_get_reply()
93 	 * Sometimes, there is unexpected reply ipc arriving. The reply  in hda_dsp_ipc_get_reply()
94 	 * ipc belongs to none of the ipcs sent from driver.  in hda_dsp_ipc_get_reply()
95 	 * In this case, the driver must ignore the ipc.  in hda_dsp_ipc_get_reply()
98 		dev_warn(sdev->dev, "unexpected ipc interrupt raised!\n");  in hda_dsp_ipc_get_reply()
102 	hdr = msg->msg_data;  in hda_dsp_ipc_get_reply()
103 	if (hdr->cmd == (SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CTX_SAVE) ||  in hda_dsp_ipc_get_reply()
104 	    hdr->cmd == (SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_GATE)) {  in hda_dsp_ipc_get_reply()
106 		 * memory windows are powered off before sending IPC reply,  in hda_dsp_ipc_get_reply()
113 		memcpy(msg->reply_data, &reply, sizeof(reply));  in hda_dsp_ipc_get_reply()
115 		msg->reply_error = 0;  in hda_dsp_ipc_get_reply()
152 			if (likely(sdev->fw_state == SOF_FW_BOOT_COMPLETE)) {  in hda_dsp_ipc4_irq_thread()
153 				struct sof_ipc4_msg *data = sdev->ipc->msg.reply_data;  in hda_dsp_ipc4_irq_thread()
155 				data->primary = primary;  in hda_dsp_ipc4_irq_thread()
156 				data->extension = extension;  in hda_dsp_ipc4_irq_thread()
158 				spin_lock_irq(&sdev->ipc_lock);  in hda_dsp_ipc4_irq_thread()
161 				snd_sof_ipc_reply(sdev, data->primary);  in hda_dsp_ipc4_irq_thread()
163 				spin_unlock_irq(&sdev->ipc_lock);  in hda_dsp_ipc4_irq_thread()
165 				dev_dbg_ratelimited(sdev->dev,  in hda_dsp_ipc4_irq_thread()
166 						    "IPC reply before FW_READY: %#x|%#x\n",  in hda_dsp_ipc4_irq_thread()
174 			sdev->ipc->msg.rx_data = &notification_data;  in hda_dsp_ipc4_irq_thread()
176 			sdev->ipc->msg.rx_data = NULL;  in hda_dsp_ipc4_irq_thread()
187 		dev_dbg_ratelimited(sdev->dev, "nothing to do in IPC IRQ thread\n");  in hda_dsp_ipc4_irq_thread()
192 /* IPC handler thread */
204 	/* read IPC status */  in hda_dsp_ipc_irq_thread()
225 		 * waking up the sender and re-enabling the interrupt. Also  in hda_dsp_ipc_irq_thread()
227 		 * if the DSP is fast enough to receive an IPC message, reply to  in hda_dsp_ipc_irq_thread()
233 		if (likely(sdev->fw_state == SOF_FW_BOOT_COMPLETE)) {  in hda_dsp_ipc_irq_thread()
234 			spin_lock_irq(&sdev->ipc_lock);  in hda_dsp_ipc_irq_thread()
243 			spin_unlock_irq(&sdev->ipc_lock);  in hda_dsp_ipc_irq_thread()
245 			dev_dbg_ratelimited(sdev->dev, "IPC reply before FW_READY: %#x\n",  in hda_dsp_ipc_irq_thread()
266 			struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;  in hda_dsp_ipc_irq_thread()
277 			if (sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS &&  in hda_dsp_ipc_irq_thread()
278 			    hda->boot_iteration < HDA_FW_BOOT_ATTEMPTS)  in hda_dsp_ipc_irq_thread()
284 			/* normal message - process normally */  in hda_dsp_ipc_irq_thread()
297 		dev_dbg_ratelimited(sdev->dev,  in hda_dsp_ipc_irq_thread()
298 				    "nothing to do in IPC IRQ thread\n");  in hda_dsp_ipc_irq_thread()
304 /* Check if an IPC IRQ occurred */
307 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;  in hda_dsp_check_ipc_irq()
319 	/* IPC message ? */  in hda_dsp_check_ipc_irq()
325 		hda->code_loading = 0;  in hda_dsp_check_ipc_irq()
326 		wake_up(&hda->waitq);  in hda_dsp_check_ipc_irq()
348 	if (!substream || !sdev->stream_box.size) {  in hda_ipc_msg_data()
349 		sof_mailbox_read(sdev, sdev->dsp_box.offset, p, sz);  in hda_ipc_msg_data()
351 		struct hdac_stream *hstream = substream->runtime->private_data;  in hda_ipc_msg_data()
360 			return -ESTRPIPE;  in hda_ipc_msg_data()
362 		sof_mailbox_read(sdev, hda_stream->sof_intel_stream.posn_offset, p, sz);  in hda_ipc_msg_data()
372 	struct hdac_stream *hstream = substream->runtime->private_data;  in hda_set_stream_data_offset()
379 	if (posn_offset > sdev->stream_box.size ||  in hda_set_stream_data_offset()
381 		return -EINVAL;  in hda_set_stream_data_offset()
383 	hda_stream->sof_intel_stream.posn_offset = sdev->stream_box.offset + posn_offset;  in hda_set_stream_data_offset()
385 	dev_dbg(sdev->dev, "pcm: stream dir %d, posn mailbox offset is %zu",  in hda_set_stream_data_offset()
386 		substream->stream, hda_stream->sof_intel_stream.posn_offset);  in hda_set_stream_data_offset()