1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
3 // This file is provided under a dual BSD/GPLv2 license.  When using or
21 #include "sof-priv.h"
22 #include "sof-audio.h"
28 /* Mailbox-based Generic IPC implementation */
33 	if (!sps || !sdev->stream_box.size) {  in sof_ipc_msg_data()
34 		snd_sof_dsp_mailbox_read(sdev, sdev->dsp_box.offset, p, sz);  in sof_ipc_msg_data()
38 		if (sps->substream) {  in sof_ipc_msg_data()
39 			struct sof_stream *stream = sps->substream->runtime->private_data;  in sof_ipc_msg_data()
43 				return -ESTRPIPE;  in sof_ipc_msg_data()
45 			posn_offset = stream->posn_offset;  in sof_ipc_msg_data()
48 			struct sof_compr_stream *sstream = sps->cstream->runtime->private_data;  in sof_ipc_msg_data()
51 				return -ESTRPIPE;  in sof_ipc_msg_data()
53 			posn_offset = sstream->posn_offset;  in sof_ipc_msg_data()
68 	if (posn_offset > sdev->stream_box.size ||  in sof_set_stream_data_offset()
70 		return -EINVAL;  in sof_set_stream_data_offset()
72 	posn_offset += sdev->stream_box.offset;  in sof_set_stream_data_offset()
74 	if (sps->substream) {  in sof_set_stream_data_offset()
75 		struct sof_stream *stream = sps->substream->runtime->private_data;  in sof_set_stream_data_offset()
77 		stream->posn_offset = posn_offset;  in sof_set_stream_data_offset()
78 		dev_dbg(sdev->dev, "pcm: stream dir %d, posn mailbox offset is %zu",  in sof_set_stream_data_offset()
79 			sps->substream->stream, posn_offset);  in sof_set_stream_data_offset()
80 	} else if (sps->cstream) {  in sof_set_stream_data_offset()
81 		struct sof_compr_stream *sstream = sps->cstream->runtime->private_data;  in sof_set_stream_data_offset()
83 		sstream->posn_offset = posn_offset;  in sof_set_stream_data_offset()
84 		dev_dbg(sdev->dev, "compr: stream dir %d, posn mailbox offset is %zu",  in sof_set_stream_data_offset()
85 			sps->cstream->direction, posn_offset);  in sof_set_stream_data_offset()
87 		dev_err(sdev->dev, "No stream opened");  in sof_set_stream_data_offset()
88 		return -EINVAL;  in sof_set_stream_data_offset()
101 		return -ENOMEM;  in sof_stream_pcm_open()
104 	substream->runtime->private_data = stream;  in sof_stream_pcm_open()
107 	snd_pcm_hw_constraint_step(substream->runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 4);  in sof_stream_pcm_open()
110 	snd_pcm_hw_constraint_integer(substream->runtime,  in sof_stream_pcm_open()
120 	struct sof_stream *stream = substream->runtime->private_data;  in sof_stream_pcm_close()
122 	substream->runtime->private_data = NULL;  in sof_stream_pcm_close()