1 files changed, 0 insertions, 290 deletions
diff --git a/sound/soc/sof/probe.c b/sound/soc/sof/probe.c
deleted file mode 100644
index 14509f4d3f86..000000000000
--- a/sound/soc/sof/probe.c
+++ /dev/null
@@ -1,290 +0,0 @@
-// SPDX-License-Identifier: (GPL-2.0-only 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) 2019-2020 Intel Corporation. All rights reserved.
-//
-// Author: Cezary Rojewski <cezary.rojewski@intel.com>
-//
-
-#include "sof-priv.h"
-#include "probe.h"
-
-/**
- * sof_ipc_probe_init - initialize data probing
- * @sdev:		SOF sound device
- * @stream_tag:		Extractor stream tag
- * @buffer_size:	DMA buffer size to set for extractor
- *
- * Host chooses whether extraction is supported or not by providing
- * valid stream tag to DSP. Once specified, stream described by that
- * tag will be tied to DSP for extraction for the entire lifetime of
- * probe.
- *
- * Probing is initialized only once and each INIT request must be
- * matched by DEINIT call.
- */
-int sof_ipc_probe_init(struct snd_sof_dev *sdev,
-		u32 stream_tag, size_t buffer_size)
-{
-	struct sof_ipc_probe_dma_add_params *msg;
-	struct sof_ipc_reply reply;
-	size_t size = struct_size(msg, dma, 1);
-	int ret;
-
-	msg = kmalloc(size, GFP_KERNEL);
-	if (!msg)
-		return -ENOMEM;
-	msg->hdr.size = size;
-	msg->hdr.cmd = SOF_IPC_GLB_PROBE | SOF_IPC_PROBE_INIT;
-	msg->num_elems = 1;
-	msg->dma[0].stream_tag = stream_tag;
-	msg->dma[0].dma_buffer_size = buffer_size;
-
-	ret = sof_ipc_tx_message(sdev->ipc, msg->hdr.cmd, msg, msg->hdr.size,
-			&reply, sizeof(reply));
-	kfree(msg);
-	return ret;
-}
-EXPORT_SYMBOL(sof_ipc_probe_init);
-
-/**
- * sof_ipc_probe_deinit - cleanup after data probing
- * @sdev:	SOF sound device
- *
- * Host sends DEINIT request to free previously initialized probe
- * on DSP side once it is no longer needed. DEINIT only when there
- * are no probes connected and with all injectors detached.
- */
-int sof_ipc_probe_deinit(struct snd_sof_dev *sdev)
-{
-	struct sof_ipc_cmd_hdr msg;
-	struct sof_ipc_reply reply;
-
-	msg.size = sizeof(msg);
-	msg.cmd = SOF_IPC_GLB_PROBE | SOF_IPC_PROBE_DEINIT;
-
-	return sof_ipc_tx_message(sdev->ipc, msg.cmd, &msg, msg.size,
-			&reply, sizeof(reply));
-}
-EXPORT_SYMBOL(sof_ipc_probe_deinit);
-
-static int sof_ipc_probe_info(struct snd_sof_dev *sdev, unsigned int cmd,
-		void **params, size_t *num_params)
-{
-	struct sof_ipc_probe_info_params msg = {{{0}}};
-	struct sof_ipc_probe_info_params *reply;
-	size_t bytes;
-	int ret;
-
-	*params = NULL;
-	*num_params = 0;
-
-	reply = kzalloc(SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL);
-	if (!reply)
-		return -ENOMEM;
-	msg.rhdr.hdr.size = sizeof(msg);
-	msg.rhdr.hdr.cmd = SOF_IPC_GLB_PROBE | cmd;
-
-	ret = sof_ipc_tx_message(sdev->ipc, msg.rhdr.hdr.cmd, &msg,
-			msg.rhdr.hdr.size, reply, SOF_IPC_MSG_MAX_SIZE);
-	if (ret < 0 || reply->rhdr.error < 0)
-		goto exit;
-
-	if (!reply->num_elems)
-		goto exit;
-
-	if (cmd == SOF_IPC_PROBE_DMA_INFO)
-		bytes = sizeof(reply->dma[0]);
-	else
-		bytes = sizeof(reply->desc[0]);
-	bytes *= reply->num_elems;
-	*params = kmemdup(&reply->dma[0], bytes, GFP_KERNEL);
-	if (!*params) {
-		ret = -ENOMEM;
-		goto exit;
-	}
-	*num_params = reply->num_elems;
-
-exit:
-	kfree(reply);
-	return ret;
-}
-
-/**
- * sof_ipc_probe_dma_info - retrieve list of active injection dmas
- * @sdev:	SOF sound device
- * @dma:	Returned list of active dmas
- * @num_dma:	Returned count of active dmas
- *
- * Host sends DMA_INFO request to obtain list of injection dmas it
- * can use to transfer data over with.
- *
- * Note that list contains only injection dmas as there is only one
- * extractor (dma) and it is always assigned on probing init.
- * DSP knows exactly where data from extraction probes is going to,
- * which is not the case for injection where multiple streams
- * could be engaged.
- */
-int sof_ipc_probe_dma_info(struct snd_sof_dev *sdev,
-		struct sof_probe_dma **dma, size_t *num_dma)
-{
-	return sof_ipc_probe_info(sdev, SOF_IPC_PROBE_DMA_INFO,
-			(void **)dma, num_dma);
-}
-EXPORT_SYMBOL(sof_ipc_probe_dma_info);
-
-/**
- * sof_ipc_probe_dma_add - attach to specified dmas
- * @sdev:	SOF sound device
- * @dma:	List of streams (dmas) to attach to
- * @num_dma:	Number of elements in @dma
- *
- * Contrary to extraction, injection streams are never assigned
- * on init. Before attempting any data injection, host is responsible
- * for specifying streams which will be later used to transfer data
- * to connected probe points.
- */
-int sof_ipc_probe_dma_add(struct snd_sof_dev *sdev,
-		struct sof_probe_dma *dma, size_t num_dma)
-{
-	struct sof_ipc_probe_dma_add_params *msg;
-	struct sof_ipc_reply reply;
-	size_t size = struct_size(msg, dma, num_dma);
-	int ret;
-
-	msg = kmalloc(size, GFP_KERNEL);
-	if (!msg)
-		return -ENOMEM;
-	msg->hdr.size = size;
-	msg->num_elems = num_dma;
-	msg->hdr.cmd = SOF_IPC_GLB_PROBE | SOF_IPC_PROBE_DMA_ADD;
-	memcpy(&msg->dma[0], dma, size - sizeof(*msg));
-
-	ret = sof_ipc_tx_message(sdev->ipc, msg->hdr.cmd, msg, msg->hdr.size,
-			&reply, sizeof(reply));
-	kfree(msg);
-	return ret;
-}
-EXPORT_SYMBOL(sof_ipc_probe_dma_add);
-
-/**
- * sof_ipc_probe_dma_remove - detach from specified dmas
- * @sdev:		SOF sound device
- * @stream_tag:		List of stream tags to detach from
- * @num_stream_tag:	Number of elements in @stream_tag
- *
- * Host sends DMA_REMOVE request to free previously attached stream
- * from being occupied for injection. Each detach operation should
- * match equivalent DMA_ADD. Detach only when all probes tied to
- * given stream have been disconnected.
- */
-int sof_ipc_probe_dma_remove(struct snd_sof_dev *sdev,
-		unsigned int *stream_tag, size_t num_stream_tag)
-{
-	struct sof_ipc_probe_dma_remove_params *msg;
-	struct sof_ipc_reply reply;
-	size_t size = struct_size(msg, stream_tag, num_stream_tag);
-	int ret;
-
-	msg = kmalloc(size, GFP_KERNEL);
-	if (!msg)
-		return -ENOMEM;
-	msg->hdr.size = size;
-	msg->num_elems = num_stream_tag;
-	msg->hdr.cmd = SOF_IPC_GLB_PROBE | SOF_IPC_PROBE_DMA_REMOVE;
-	memcpy(&msg->stream_tag[0], stream_tag, size - sizeof(*msg));
-
-	ret = sof_ipc_tx_message(sdev->ipc, msg->hdr.cmd, msg, msg->hdr.size,
-			&reply, sizeof(reply));
-	kfree(msg);
-	return ret;
-}
-EXPORT_SYMBOL(sof_ipc_probe_dma_remove);
-
-/**
- * sof_ipc_probe_points_info - retrieve list of active probe points
- * @sdev:	SOF sound device
- * @desc:	Returned list of active probes
- * @num_desc:	Returned count of active probes
- *
- * Host sends PROBE_POINT_INFO request to obtain list of active probe
- * points, valid for disconnection when given probe is no longer
- * required.
- */
-int sof_ipc_probe_points_info(struct snd_sof_dev *sdev,
-		struct sof_probe_point_desc **desc, size_t *num_desc)
-{
-	return sof_ipc_probe_info(sdev, SOF_IPC_PROBE_POINT_INFO,
-				 (void **)desc, num_desc);
-}
-EXPORT_SYMBOL(sof_ipc_probe_points_info);
-
-/**
- * sof_ipc_probe_points_add - connect specified probes
- * @sdev:	SOF sound device
- * @desc:	List of probe points to connect
- * @num_desc:	Number of elements in @desc
- *
- * Dynamically connects to provided set of endpoints. Immediately
- * after connection is established, host must be prepared to
- * transfer data from or to target stream given the probing purpose.
- *
- * Each probe point should be removed using PROBE_POINT_REMOVE
- * request when no longer needed.
- */
-int sof_ipc_probe_points_add(struct snd_sof_dev *sdev,
-		struct sof_probe_point_desc *desc, size_t num_desc)
-{
-	struct sof_ipc_probe_point_add_params *msg;
-	struct sof_ipc_reply reply;
-	size_t size = struct_size(msg, desc, num_desc);
-	int ret;
-
-	msg = kmalloc(size, GFP_KERNEL);
-	if (!msg)
-		return -ENOMEM;
-	msg->hdr.size = size;
-	msg->num_elems = num_desc;
-	msg->hdr.cmd = SOF_IPC_GLB_PROBE | SOF_IPC_PROBE_POINT_ADD;
-	memcpy(&msg->desc[0], desc, size - sizeof(*msg));
-
-	ret = sof_ipc_tx_message(sdev->ipc, msg->hdr.cmd, msg, msg->hdr.size,
-			&reply, sizeof(reply));
-	kfree(msg);
-	return ret;
-}
-EXPORT_SYMBOL(sof_ipc_probe_points_add);
-
-/**
- * sof_ipc_probe_points_remove - disconnect specified probes
- * @sdev:		SOF sound device
- * @buffer_id:		List of probe points to disconnect
- * @num_buffer_id:	Number of elements in @desc
- *
- * Removes previously connected probes from list of active probe
- * points and frees all resources on DSP side.
- */
-int sof_ipc_probe_points_remove(struct snd_sof_dev *sdev,
-		unsigned int *buffer_id, size_t num_buffer_id)
-{
-	struct sof_ipc_probe_point_remove_params *msg;
-	struct sof_ipc_reply reply;
-	size_t size = struct_size(msg, buffer_id, num_buffer_id);
-	int ret;
-
-	msg = kmalloc(size, GFP_KERNEL);
-	if (!msg)
-		return -ENOMEM;
-	msg->hdr.size = size;
-	msg->num_elems = num_buffer_id;
-	msg->hdr.cmd = SOF_IPC_GLB_PROBE | SOF_IPC_PROBE_POINT_REMOVE;
-	memcpy(&msg->buffer_id[0], buffer_id, size - sizeof(*msg));
-
-	ret = sof_ipc_tx_message(sdev->ipc, msg->hdr.cmd, msg, msg->hdr.size,
-			&reply, sizeof(reply));
-	kfree(msg);
-	return ret;
-}
-EXPORT_SYMBOL(sof_ipc_probe_points_remove);