From: Jyri Sarha <jyri.sarha@xxxxxxxxx>
Implement IPC operations for IPC4 messaging and add doxygen
documentation for the functions.
Signed-off-by: Jyri Sarha <jyri.sarha@xxxxxxxxx>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Signed-off-by: Péter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
---
sound/soc/sof/Makefile | 8 +-
sound/soc/sof/sof-client-probes-ipc4.c | 281 +++++++++++++++++++++++++
sound/soc/sof/sof-client-probes.c | 32 +--
sound/soc/sof/sof-client-probes.h | 13 ++
4 files changed, 318 insertions(+), 16 deletions(-)
create mode 100644 sound/soc/sof/sof-client-probes-ipc4.c
diff --git a/sound/soc/sof/Makefile b/sound/soc/sof/Makefile
index 6991a58474b9..308d87639916 100644
--- a/sound/soc/sof/Makefile
+++ b/sound/soc/sof/Makefile
@@ -26,7 +26,13 @@ snd-sof-of-objs := sof-of-dev.o
snd-sof-ipc-flood-test-objs := sof-client-ipc-flood-test.o
snd-sof-ipc-msg-injector-objs := sof-client-ipc-msg-injector.o
-snd-sof-probes-objs := sof-client-probes.o sof-client-probes-ipc3.o
+snd-sof-probes-objs := sof-client-probes.o
+ifneq ($(CONFIG_SND_SOC_SOF_IPC3),)
+snd-sof-probes-objs += sof-client-probes-ipc3.o
+endif
+ifneq ($(CONFIG_SND_SOC_SOF_INTEL_IPC4),)
+snd-sof-probes-objs += sof-client-probes-ipc4.o
+endif
snd-sof-nocodec-objs := nocodec.o
diff --git a/sound/soc/sof/sof-client-probes-ipc4.c b/sound/soc/sof/sof-client-probes-ipc4.c
new file mode 100644
index 000000000000..66fa7c2f390a
--- /dev/null
+++ b/sound/soc/sof/sof-client-probes-ipc4.c
@@ -0,0 +1,281 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright(c) 2019-2022 Intel Corporation. All rights reserved.
+//
+// Author: Jyri Sarha <jyri.sarha@xxxxxxxxx>
+//
+
+#include <sound/soc.h>
+#include <sound/sof/ipc4/header.h>
+#include <uapi/sound/sof/header.h>
+#include "sof-priv.h"
+#include "ipc4-priv.h"
+#include "sof-client.h"
+#include "sof-client-probes.h"
+
+enum sof_ipc4_dma_type {
+ SOF_IPC4_DMA_HDA_HOST_OUTPUT = 0,
+ SOF_IPC4_DMA_HDA_HOST_INPUT = 1,
+ SOF_IPC4_DMA_HDA_LINK_OUTPUT = 8,
+ SOF_IPC4_DMA_HDA_LINK_INPUT = 9,
+ SOF_IPC4_DMA_DMIC_LINK_INPUT = 11,
+ SOF_IPC4_DMA_I2S_LINK_OUTPUT = 12,
+ SOF_IPC4_DMA_I2S_LINK_INPUT = 13,
+};
+
+enum sof_ipc4_probe_runtime_param {
+ SOF_IPC4_PROBE_INJECTION_DMA = 1,
+ SOF_IPC4_PROBE_INJECTION_DMA_DETACH,
+ SOF_IPC4_PROBE_POINTS,
+ SOF_IPC4_PROBE_POINTS_DISCONNECT,
+};
+
+struct sof_ipc4_probe_gtw_cfg {
+ u32 node_id;
+ u32 dma_buffer_size;
+} __packed __aligned(4);
+
+#define SOF_IPC4_PROBE_NODE_ID_INDEX(x) ((x) & GENMASK(7, 0))
+#define SOF_IPC4_PROBE_NODE_ID_TYPE(x) (((x) << 8) & GENMASK(12, 8))
+
+struct sof_ipc4_probe_cfg {
+ struct sof_ipc4_base_module_cfg base;
+ struct sof_ipc4_probe_gtw_cfg gtw_cfg;
+} __packed __aligned(4);
+
+enum sof_ipc4_probe_type {
+ SOF_IPC4_PROBE_TYPE_INPUT = 0,
+ SOF_IPC4_PROBE_TYPE_OUTPUT,
+ SOF_IPC4_PROBE_TYPE_INTERNAL
+};
+
+struct sof_ipc4_probe_point {
+ u32 point_id;
+ u32 purpose;
+ u32 stream_tag;
+} __packed __aligned(4);
+
+#define INVALID_PIPELINE_ID 0xFF
+
+/**
+ * sof_ipc4_probe_get_module_info - Get IPC4 module info for probe module
+ * @cdev: SOF client device
+ * @return: Pointer to IPC4 probe module info
+ *
+ * Look up the IPC4 probe module info based on the hard coded uuid and
+ * store the value for the future calls.
+ */
+static struct sof_man4_module *sof_ipc4_probe_get_module_info(struct sof_client_dev *cdev)
+{
+ struct sof_probes_priv *priv = cdev->data;
+ struct device *dev = &cdev->auxdev.dev;
+ static const guid_t probe_uuid =
+ GUID_INIT(0x7CAD0808, 0xAB10, 0xCD23,
+ 0xEF, 0x45, 0x12, 0xAB, 0x34, 0xCD, 0x56, 0xEF);
+
+ if (!priv->ipc_priv) {
+ struct sof_ipc4_fw_module *fw_module =
+ sof_client_ipc4_find_module(cdev, &probe_uuid);
+
+ if (!fw_module) {
+ dev_err(dev, "%s: no matching uuid found", __func__);
+ return NULL;
+ }
+
+ priv->ipc_priv = &fw_module->man4_module_entry;
+ }
+
+ return (struct sof_man4_module *)priv->ipc_priv;
+}
+
+/**
+ * ipc4_probes_init - initialize data probing
+ * @cdev: SOF client device
+ * @stream_tag: Extractor stream tag
+ * @buffer_size: DMA buffer size to set for extractor
+ * @return: 0 on success, negative error code on error
+ *
+ * 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 ipc4_probes_init(struct sof_client_dev *cdev, u32 stream_tag,
+ size_t buffer_size)
+{
+ struct sof_man4_module *mentry = sof_ipc4_probe_get_module_info(cdev);
+ struct sof_ipc4_msg msg;
+ struct sof_ipc4_probe_cfg cfg;
+
+ if (!mentry)
+ return -ENODEV;
+
+ memset(&cfg, '\0', sizeof(cfg));
+ cfg.gtw_cfg.node_id = SOF_IPC4_PROBE_NODE_ID_INDEX(stream_tag - 1) |
+ SOF_IPC4_PROBE_NODE_ID_TYPE(SOF_IPC4_DMA_HDA_HOST_INPUT);
+
+ cfg.gtw_cfg.dma_buffer_size = buffer_size;
+
+ msg.primary = mentry->id;
+ msg.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_INIT_INSTANCE);
+ msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
+ msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
+ msg.extension = SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE(INVALID_PIPELINE_ID);
+ msg.extension |= SOF_IPC4_MOD_EXT_CORE_ID(0);
+
+ msg.data_size = sizeof(cfg);
+ msg.data_ptr = &cfg;
+
+ return sof_client_ipc_tx_message(cdev, &msg, NULL, 0);
+}
+
+/**
+ * ipc4_probes_deinit - cleanup after data probing
+ * @cdev: SOF client device
+ * @return: 0 on success, negative error code on error
+ *
+ * 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 ipc4_probes_deinit(struct sof_client_dev *cdev)
+{
+ struct sof_man4_module *mentry = sof_ipc4_probe_get_module_info(cdev);
+ struct sof_ipc4_msg msg;
+
+ msg.primary = mentry->id;
+ msg.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_DELETE_INSTANCE);
+ msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
+ msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
+ msg.extension = SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE(INVALID_PIPELINE_ID);
+ msg.extension |= SOF_IPC4_MOD_EXT_CORE_ID(0);
+
+ msg.data_size = 0;
+ msg.data_ptr = NULL;
+
+ return sof_client_ipc_tx_message(cdev, &msg, NULL, 0);
+}
+
+/**
+ * ipc4_probes_points_info - retrieve list of active probe points
+ * @cdev: SOF client device
+ * @desc: Returned list of active probes
+ * @num_desc: Returned count of active probes
+ * @return: 0 on success, negative error code on error
+ *
+ * Dummy implementation returning empty list of probes.
+ */
+static int ipc4_probes_points_info(struct sof_client_dev *cdev,
+ struct sof_probe_point_desc **desc,
+ size_t *num_desc)
+{
+ /* TODO: Firmware side implementation needed first */
+ *desc = NULL;
+ *num_desc = 0;
+ return 0;
+}
+
+/**
+ * ipc4_probes_points_add - connect specified probes
+ * @cdev: SOF client device
+ * @desc: List of probe points to connect
+ * @num_desc: Number of elements in @desc
+ * @return: 0 on success, negative error code on error
+ *
+ * Translates the generic probe point presentation to an IPC4
+ * message to dynamically connect the provided set of endpoints.
+ */
+static int ipc4_probes_points_add(struct sof_client_dev *cdev,
+ struct sof_probe_point_desc *desc,
+ size_t num_desc)
+{
+ struct sof_man4_module *mentry = sof_ipc4_probe_get_module_info(cdev);
+ struct sof_ipc4_probe_point *points;
+ struct sof_ipc4_msg msg;
+ int i, ret;
+
+ /* The sof_probe_point_desc and sof_ipc4_probe_point structs
+ * are of same size and even the integers are the same in the
+ * same order, and similar meaning, but since there is no
+ * performance issue I wrote the conversion explicitly open for
+ * future development.
+ */
+ points = kcalloc(num_desc, sizeof(*points), GFP_KERNEL);
+ if (!points)
+ return -ENOMEM;
+
+ for (i = 0; i < num_desc; i++) {
+ points[i].point_id = desc[i].buffer_id;
+ points[i].purpose = desc[i].purpose;
+ points[i].stream_tag = desc[i].stream_tag;
+ }
+
+ msg.primary = mentry->id;
+ msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
+ msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
+
+ msg.extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_PROBE_POINTS);
+
+ msg.data_size = sizeof(*points) * num_desc;
+ msg.data_ptr = points;
+
+ ret = sof_client_ipc_set_get_data(cdev, &msg, true);
+
+ kfree(points);
+
+ return ret;
+}
+
+/**
+ * ipc4_probes_points_remove - disconnect specified probes
+ * @cdev: SOF client device
+ * @buffer_id: List of probe points to disconnect
+ * @num_buffer_id: Number of elements in @desc
+ * @return: 0 on success, negative error code on error
+ *
+ * Converts the generic buffer_id to IPC4 probe_point_id and remove
+ * the probe points with an IPC4 for message.
+ */
+static int ipc4_probes_points_remove(struct sof_client_dev *cdev,
+ unsigned int *buffer_id, size_t num_buffer_id)
+{
+ struct sof_man4_module *mentry = sof_ipc4_probe_get_module_info(cdev);
+ struct sof_ipc4_msg msg;
+ u32 *probe_point_ids;
+ int i, ret;
+
+ probe_point_ids = kcalloc(num_buffer_id, sizeof(*probe_point_ids),
+ GFP_KERNEL);
+ if (!probe_point_ids)
+ return -ENOMEM;
+
+ for (i = 0; i < num_buffer_id; i++)
+ probe_point_ids[i] = buffer_id[i];
+
+ msg.primary = mentry->id;
+ msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
+ msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
+
+ msg.extension =
+ SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_PROBE_POINTS_DISCONNECT);
+
+ msg.data_size = num_buffer_id * sizeof(*probe_point_ids);
+ msg.data_ptr = probe_point_ids;
+
+ ret = sof_client_ipc_set_get_data(cdev, &msg, true);
+
+ kfree(probe_point_ids);
+
+ return ret;
+}
+
+const struct sof_probes_ipc_ops ipc4_probe_ops = {
+ .init = ipc4_probes_init,
+ .deinit = ipc4_probes_deinit,
+ .points_info = ipc4_probes_points_info,
+ .points_add = ipc4_probes_points_add,
+ .points_remove = ipc4_probes_points_remove,
+};
diff --git a/sound/soc/sof/sof-client-probes.c b/sound/soc/sof/sof-client-probes.c
index af655366b758..d08395182b1a 100644
--- a/sound/soc/sof/sof-client-probes.c
+++ b/sound/soc/sof/sof-client-probes.c
@@ -30,16 +30,6 @@ static bool __read_mostly sof_probes_enabled;
module_param_named(enable, sof_probes_enabled, bool, 0444);
MODULE_PARM_DESC(enable, "Enable SOF probes support");
-struct sof_probes_priv {
- struct dentry *dfs_points;
- struct dentry *dfs_points_remove;
- u32 extractor_stream_tag;
- struct snd_soc_card card;
-
- const struct sof_probes_host_ops *host_ops;
- const struct sof_probes_ipc_ops *ipc_ops;
-};
-
static int sof_probes_compr_startup(struct snd_compr_stream *cstream,
struct snd_soc_dai *dai)
{
@@ -409,10 +399,6 @@ static int sof_probes_client_probe(struct auxiliary_device *auxdev,
if (!sof_probes_enabled)
return -ENXIO;
- /* only ipc3 is supported */
- if (sof_client_get_ipc_type(cdev) != SOF_IPC)
- return -ENXIO;
-
if (!dev->platform_data) {
dev_err(dev, "missing platform data\n");
return -ENODEV;
@@ -431,7 +417,23 @@ static int sof_probes_client_probe(struct auxiliary_device *auxdev,
}
priv->host_ops = ops;
- priv->ipc_ops = &ipc3_probe_ops;
+
+ switch (sof_client_get_ipc_type(cdev)) {
+#ifdef CONFIG_SND_SOC_SOF_INTEL_IPC4
+ case SOF_INTEL_IPC4:
+ priv->ipc_ops = &ipc4_probe_ops;
+ break;
+#endif
+#ifdef CONFIG_SND_SOC_SOF_IPC3
+ case SOF_IPC:
+ priv->ipc_ops = &ipc3_probe_ops;
+ break;
+#endif
+ default:
+ dev_err(dev, "Matching IPC ops not found.");
+ return -ENODEV;
+ }
+
cdev->data = priv;
/* register probes component driver and dai */
diff --git a/sound/soc/sof/sof-client-probes.h b/sound/soc/sof/sof-client-probes.h
index 14bf468fbfb2..da04d65b8d99 100644
--- a/sound/soc/sof/sof-client-probes.h
+++ b/sound/soc/sof/sof-client-probes.h
@@ -49,4 +49,17 @@ struct sof_probes_ipc_ops {
};
extern const struct sof_probes_ipc_ops ipc3_probe_ops;
+extern const struct sof_probes_ipc_ops ipc4_probe_ops;
+
+struct sof_probes_priv {
+ struct dentry *dfs_points;
+ struct dentry *dfs_points_remove;
+ u32 extractor_stream_tag;
+ struct snd_soc_card card;
+ void *ipc_priv;
+
+ const struct sof_probes_host_ops *host_ops;
+ const struct sof_probes_ipc_ops *ipc_ops;
+};
+
#endif
--
2.38.1
