1 files changed, 0 insertions, 364 deletions
diff --git a/sound/soc/sof/sof-probes.c b/sound/soc/sof/sof-probes.c
deleted file mode 100644
index 5586af9f1a25..000000000000
--- a/sound/soc/sof/sof-probes.c
+++ /dev/null
@@ -1,364 +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) 2019-2021 Intel Corporation. All rights reserved.
-// Author: Cezary Rojewski <cezary.rojewski@intel.com>
-//
-
-#include <sound/soc.h>
-#include "ops.h"
-#include "sof-priv.h"
-#include "sof-probes.h"
-
-struct sof_probe_dma {
-	unsigned int stream_tag;
-	unsigned int dma_buffer_size;
-} __packed;
-
-struct sof_ipc_probe_dma_add_params {
-	struct sof_ipc_cmd_hdr hdr;
-	unsigned int num_elems;
-	struct sof_probe_dma dma[];
-} __packed;
-
-struct sof_ipc_probe_info_params {
-	struct sof_ipc_reply rhdr;
-	unsigned int num_elems;
-	union {
-		struct sof_probe_dma dma[0];
-		struct sof_probe_point_desc desc[0];
-	};
-} __packed;
-
-struct sof_ipc_probe_point_add_params {
-	struct sof_ipc_cmd_hdr hdr;
-	unsigned int num_elems;
-	struct sof_probe_point_desc desc[];
-} __packed;
-
-struct sof_ipc_probe_point_remove_params {
-	struct sof_ipc_cmd_hdr hdr;
-	unsigned int num_elems;
-	unsigned int buffer_id[];
-} __packed;
-
-/**
- * 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.
- */
-static 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;
-}
-
-/**
- * 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.
- */
-static 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));
-}
-
-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_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);
-
-static int sof_probe_compr_startup(struct snd_compr_stream *cstream,
-				   struct snd_soc_dai *dai)
-{
-	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component);
-	int ret;
-
-	ret = snd_sof_probe_compr_assign(sdev, cstream, dai);
-	if (ret < 0) {
-		dev_err(dai->dev, "Failed to assign probe stream: %d\n", ret);
-		return ret;
-	}
-
-	sdev->extractor_stream_tag = ret;
-	return 0;
-}
-
-static int sof_probe_compr_shutdown(struct snd_compr_stream *cstream,
-				    struct snd_soc_dai *dai)
-{
-	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component);
-	struct sof_probe_point_desc *desc;
-	size_t num_desc;
-	int i, ret;
-
-	/* disconnect all probe points */
-	ret = sof_ipc_probe_points_info(sdev, &desc, &num_desc);
-	if (ret < 0) {
-		dev_err(dai->dev, "Failed to get probe points: %d\n", ret);
-		goto exit;
-	}
-
-	for (i = 0; i < num_desc; i++)
-		sof_ipc_probe_points_remove(sdev, &desc[i].buffer_id, 1);
-	kfree(desc);
-
-exit:
-	ret = sof_ipc_probe_deinit(sdev);
-	if (ret < 0)
-		dev_err(dai->dev, "Failed to deinit probe: %d\n", ret);
-
-	sdev->extractor_stream_tag = SOF_PROBE_INVALID_NODE_ID;
-	snd_compr_free_pages(cstream);
-
-	return snd_sof_probe_compr_free(sdev, cstream, dai);
-}
-
-static int sof_probe_compr_set_params(struct snd_compr_stream *cstream,
-				      struct snd_compr_params *params,
-				      struct snd_soc_dai *dai)
-{
-	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component);
-	struct snd_compr_runtime *rtd = cstream->runtime;
-	int ret;
-
-	cstream->dma_buffer.dev.type = SNDRV_DMA_TYPE_DEV_SG;
-	cstream->dma_buffer.dev.dev = sdev->dev;
-	ret = snd_compr_malloc_pages(cstream, rtd->buffer_size);
-	if (ret < 0)
-		return ret;
-
-	ret = snd_sof_probe_compr_set_params(sdev, cstream, params, dai);
-	if (ret < 0)
-		return ret;
-
-	ret = sof_ipc_probe_init(sdev, sdev->extractor_stream_tag,
-				 rtd->dma_bytes);
-	if (ret < 0) {
-		dev_err(dai->dev, "Failed to init probe: %d\n", ret);
-		return ret;
-	}
-
-	return 0;
-}
-
-static int sof_probe_compr_trigger(struct snd_compr_stream *cstream, int cmd,
-				   struct snd_soc_dai *dai)
-{
-	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component);
-
-	return snd_sof_probe_compr_trigger(sdev, cstream, cmd, dai);
-}
-
-static int sof_probe_compr_pointer(struct snd_compr_stream *cstream,
-				   struct snd_compr_tstamp *tstamp,
-				   struct snd_soc_dai *dai)
-{
-	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component);
-
-	return snd_sof_probe_compr_pointer(sdev, cstream, tstamp, dai);
-}
-
-struct snd_soc_cdai_ops sof_probe_compr_ops = {
-	.startup	= sof_probe_compr_startup,
-	.shutdown	= sof_probe_compr_shutdown,
-	.set_params	= sof_probe_compr_set_params,
-	.trigger	= sof_probe_compr_trigger,
-	.pointer	= sof_probe_compr_pointer,
-};
-EXPORT_SYMBOL(sof_probe_compr_ops);
-
-static int sof_probe_compr_copy(struct snd_soc_component *component,
-				struct snd_compr_stream *cstream,
-				char __user *buf, size_t count)
-{
-	struct snd_compr_runtime *rtd = cstream->runtime;
-	unsigned int offset, n;
-	void *ptr;
-	int ret;
-
-	if (count > rtd->buffer_size)
-		count = rtd->buffer_size;
-
-	div_u64_rem(rtd->total_bytes_transferred, rtd->buffer_size, &offset);
-	ptr = rtd->dma_area + offset;
-	n = rtd->buffer_size - offset;
-
-	if (count < n) {
-		ret = copy_to_user(buf, ptr, count);
-	} else {
-		ret = copy_to_user(buf, ptr, n);
-		ret += copy_to_user(buf + n, rtd->dma_area, count - n);
-	}
-
-	if (ret)
-		return count - ret;
-	return count;
-}
-
-const struct snd_compress_ops sof_probe_compressed_ops = {
-	.copy		= sof_probe_compr_copy,
-};
-EXPORT_SYMBOL(sof_probe_compressed_ops);