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-rw-r--r--sound/soc/sof/intel/intel-ipc.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/sound/soc/sof/intel/intel-ipc.c b/sound/soc/sof/intel/intel-ipc.c
deleted file mode 100644
index e935f70d611b..000000000000
--- a/sound/soc/sof/intel/intel-ipc.c
+++ /dev/null
@@ -1,92 +0,0 @@
-// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
-//
-// This file is provided under a dual BSD/GPLv2 license. When using or
-// redistributing this file, you may do so under either license.
-//
-// Copyright(c) 2019 Intel Corporation. All rights reserved.
-//
-// Authors: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
-
-/* Intel-specific SOF IPC code */
-
-#include <linux/device.h>
-#include <linux/export.h>
-#include <linux/module.h>
-#include <linux/types.h>
-
-#include <sound/pcm.h>
-#include <sound/sof/stream.h>
-
-#include "../ops.h"
-#include "../sof-priv.h"
-
-struct intel_stream {
- size_t posn_offset;
-};
-
-/* Mailbox-based Intel IPC implementation */
-void intel_ipc_msg_data(struct snd_sof_dev *sdev,
- struct snd_pcm_substream *substream,
- void *p, size_t sz)
-{
- if (!substream || !sdev->stream_box.size) {
- sof_mailbox_read(sdev, sdev->dsp_box.offset, p, sz);
- } else {
- struct intel_stream *stream = substream->runtime->private_data;
-
- /* The stream might already be closed */
- if (stream)
- sof_mailbox_read(sdev, stream->posn_offset, p, sz);
- }
-}
-EXPORT_SYMBOL_NS(intel_ipc_msg_data, SND_SOC_SOF_INTEL_HIFI_EP_IPC);
-
-int intel_ipc_pcm_params(struct snd_sof_dev *sdev,
- struct snd_pcm_substream *substream,
- const struct sof_ipc_pcm_params_reply *reply)
-{
- struct intel_stream *stream = substream->runtime->private_data;
- size_t posn_offset = reply->posn_offset;
-
- /* check if offset is overflow or it is not aligned */
- if (posn_offset > sdev->stream_box.size ||
- posn_offset % sizeof(struct sof_ipc_stream_posn) != 0)
- return -EINVAL;
-
- stream->posn_offset = sdev->stream_box.offset + posn_offset;
-
- dev_dbg(sdev->dev, "pcm: stream dir %d, posn mailbox offset is %zu",
- substream->stream, stream->posn_offset);
-
- return 0;
-}
-EXPORT_SYMBOL_NS(intel_ipc_pcm_params, SND_SOC_SOF_INTEL_HIFI_EP_IPC);
-
-int intel_pcm_open(struct snd_sof_dev *sdev,
- struct snd_pcm_substream *substream)
-{
- struct intel_stream *stream = kmalloc(sizeof(*stream), GFP_KERNEL);
-
- if (!stream)
- return -ENOMEM;
-
- /* binding pcm substream to hda stream */
- substream->runtime->private_data = stream;
-
- return 0;
-}
-EXPORT_SYMBOL_NS(intel_pcm_open, SND_SOC_SOF_INTEL_HIFI_EP_IPC);
-
-int intel_pcm_close(struct snd_sof_dev *sdev,
- struct snd_pcm_substream *substream)
-{
- struct intel_stream *stream = substream->runtime->private_data;
-
- substream->runtime->private_data = NULL;
- kfree(stream);
-
- return 0;
-}
-EXPORT_SYMBOL_NS(intel_pcm_close, SND_SOC_SOF_INTEL_HIFI_EP_IPC);
-
-MODULE_LICENSE("Dual BSD/GPL");