Introduce the initial and mandatory IPC ops support for IPC4 to enable
IPC communication with this new IPC protocol.
This patch implements the following ops:
tx_msg, rx_msg, set_get_data and get_reply.
Co-developed-by: Rander Wang <rander.wang@xxxxxxxxx>
Signed-off-by: Rander Wang <rander.wang@xxxxxxxxx>
Co-developed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Reviewed-by: Rander Wang <rander.wang@xxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
---
sound/soc/sof/Makefile | 3 +-
sound/soc/sof/ipc4.c | 604 +++++++++++++++++++++++++++++++++++++++
sound/soc/sof/sof-priv.h | 1 +
3 files changed, 607 insertions(+), 1 deletion(-)
create mode 100644 sound/soc/sof/ipc4.c
diff --git a/sound/soc/sof/Makefile b/sound/soc/sof/Makefile
index e7dc47b01437..482a4c85f4c8 100644
--- a/sound/soc/sof/Makefile
+++ b/sound/soc/sof/Makefile
@@ -2,7 +2,8 @@
snd-sof-objs := core.o ops.o loader.o ipc.o pcm.o pm.o debug.o topology.o\
control.o trace.o iomem-utils.o sof-audio.o stream-ipc.o\
- ipc3-topology.o ipc3-control.o ipc3.o ipc3-pcm.o ipc3-loader.o
+ ipc3-topology.o ipc3-control.o ipc3.o ipc3-pcm.o ipc3-loader.o\
+ ipc4.o
ifneq ($(CONFIG_SND_SOC_SOF_CLIENT),)
snd-sof-objs += sof-client.o
endif
diff --git a/sound/soc/sof/ipc4.c b/sound/soc/sof/ipc4.c
new file mode 100644
index 000000000000..b561312a3e0f
--- /dev/null
+++ b/sound/soc/sof/ipc4.c
@@ -0,0 +1,604 @@
+// 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) 2022 Intel Corporation. All rights reserved.
+//
+// Authors: Rander Wang <rander.wang@xxxxxxxxxxxxxxx>
+// Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
+//
+#include <sound/sof/header.h>
+#include <sound/sof/ipc4/header.h>
+#include "sof-priv.h"
+#include "sof-audio.h"
+#include "ops.h"
+
+#ifdef DEBUG_VERBOSE
+#define sof_ipc4_dump_payload(sdev, ipc_data, size) \
+ print_hex_dump_debug("Message payload: ", \
+ DUMP_PREFIX_OFFSET, \
+ 16, 4, ipc_data, size, false)
+#else
+#define sof_ipc4_dump_payload(sdev, ipc_data, size) do { } while (0)
+#endif
+
+static const struct sof_ipc4_fw_status {
+ int status;
+ char *msg;
+} ipc4_status[] = {
+ {0, "The operation was successful"},
+ {1, "Invalid parameter specified"},
+ {2, "Unknown message type specified"},
+ {3, "Not enough space in the IPC reply buffer to complete the request"},
+ {4, "The system or resource is busy"},
+ {5, "Replaced ADSP IPC PENDING (unused)"},
+ {6, "Unknown error while processing the request"},
+ {7, "Unsupported operation requested"},
+ {8, "Reserved (ADSP_STAGE_UNINITIALIZED removed)"},
+ {9, "Specified resource not found"},
+ {10, "A resource's ID requested to be created is already assigned"},
+ {11, "Reserved (ADSP_IPC_OUT_OF_MIPS removed)"},
+ {12, "Required resource is in invalid state"},
+ {13, "Requested power transition failed to complete"},
+ {14, "Manifest of the library being loaded is invalid"},
+ {15, "Requested service or data is unavailable on the target platform"},
+ {42, "Library target address is out of storage memory range"},
+ {43, "Reserved"},
+ {44, "Image verification by CSE failed"},
+ {100, "General module management error"},
+ {101, "Module loading failed"},
+ {102, "Integrity check of the loaded module content failed"},
+ {103, "Attempt to unload code of the module in use"},
+ {104, "Other failure of module instance initialization request"},
+ {105, "Reserved (ADSP_IPC_OUT_OF_MIPS removed)"},
+ {106, "Reserved (ADSP_IPC_CONFIG_GET_ERROR removed)"},
+ {107, "Reserved (ADSP_IPC_CONFIG_SET_ERROR removed)"},
+ {108, "Reserved (ADSP_IPC_LARGE_CONFIG_GET_ERROR removed)"},
+ {109, "Reserved (ADSP_IPC_LARGE_CONFIG_SET_ERROR removed)"},
+ {110, "Invalid (out of range) module ID provided"},
+ {111, "Invalid module instance ID provided"},
+ {112, "Invalid queue (pin) ID provided"},
+ {113, "Invalid destination queue (pin) ID provided"},
+ {114, "Reserved (ADSP_IPC_BIND_UNBIND_DST_SINK_UNSUPPORTED removed)"},
+ {115, "Reserved (ADSP_IPC_UNLOAD_INST_EXISTS removed)"},
+ {116, "Invalid target code ID provided"},
+ {117, "Injection DMA buffer is too small for probing the input pin"},
+ {118, "Extraction DMA buffer is too small for probing the output pin"},
+ {120, "Invalid ID of configuration item provided in TLV list"},
+ {121, "Invalid length of configuration item provided in TLV list"},
+ {122, "Invalid structure of configuration item provided"},
+ {140, "Initialization of DMA Gateway failed"},
+ {141, "Invalid ID of gateway provided"},
+ {142, "Setting state of DMA Gateway failed"},
+ {143, "DMA_CONTROL message targeting gateway not allocated yet"},
+ {150, "Attempt to configure SCLK while I2S port is running"},
+ {151, "Attempt to configure MCLK while I2S port is running"},
+ {152, "Attempt to stop SCLK that is not running"},
+ {153, "Attempt to stop MCLK that is not running"},
+ {160, "Reserved (ADSP_IPC_PIPELINE_NOT_INITIALIZED removed)"},
+ {161, "Reserved (ADSP_IPC_PIPELINE_NOT_EXIST removed)"},
+ {162, "Reserved (ADSP_IPC_PIPELINE_SAVE_FAILED removed)"},
+ {163, "Reserved (ADSP_IPC_PIPELINE_RESTORE_FAILED removed)"},
+ {165, "Reserved (ADSP_IPC_PIPELINE_ALREADY_EXISTS removed)"},
+};
+
+static int sof_ipc4_check_reply_status(struct snd_sof_dev *sdev, u32 status)
+{
+ int i, ret;
+
+ status &= SOF_IPC4_REPLY_STATUS;
+
+ if (!status)
+ return 0;
+
+ for (i = 0; i < ARRAY_SIZE(ipc4_status); i++) {
+ if (ipc4_status[i].status == status) {
+ dev_err(sdev->dev, "FW reported error: %u - %s\n",
+ status, ipc4_status[i].msg);
+ goto to_errno;
+ }
+ }
+
+ if (i == ARRAY_SIZE(ipc4_status))
+ dev_err(sdev->dev, "FW reported error: %u - Unknown\n", status);
+
+to_errno:
+ switch (status) {
+ case 8:
+ case 11:
+ case 105 ... 109:
+ case 114 ... 115:
+ case 160 ... 163:
+ case 165:
+ ret = -ENOENT;
+ break;
+ case 4:
+ case 150:
+ case 151:
+ ret = -EBUSY;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC)
+#define DBG_IPC4_MSG_TYPE_ENTRY(type) [SOF_IPC4_##type] = #type
+static const char * const ipc4_dbg_mod_msg_type[] = {
+ DBG_IPC4_MSG_TYPE_ENTRY(MOD_INIT_INSTANCE),
+ DBG_IPC4_MSG_TYPE_ENTRY(MOD_CONFIG_GET),
+ DBG_IPC4_MSG_TYPE_ENTRY(MOD_CONFIG_SET),
+ DBG_IPC4_MSG_TYPE_ENTRY(MOD_LARGE_CONFIG_GET),
+ DBG_IPC4_MSG_TYPE_ENTRY(MOD_LARGE_CONFIG_SET),
+ DBG_IPC4_MSG_TYPE_ENTRY(MOD_BIND),
+ DBG_IPC4_MSG_TYPE_ENTRY(MOD_UNBIND),
+ DBG_IPC4_MSG_TYPE_ENTRY(MOD_SET_DX),
+ DBG_IPC4_MSG_TYPE_ENTRY(MOD_SET_D0IX),
+ DBG_IPC4_MSG_TYPE_ENTRY(MOD_ENTER_MODULE_RESTORE),
+ DBG_IPC4_MSG_TYPE_ENTRY(MOD_EXIT_MODULE_RESTORE),
+ DBG_IPC4_MSG_TYPE_ENTRY(MOD_DELETE_INSTANCE),
+};
+
+static const char * const ipc4_dbg_glb_msg_type[] = {
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_BOOT_CONFIG),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_ROM_CONTROL),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_IPCGATEWAY_CMD),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_PERF_MEASUREMENTS_CMD),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_CHAIN_DMA),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_LOAD_MULTIPLE_MODULES),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_UNLOAD_MULTIPLE_MODULES),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_CREATE_PIPELINE),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_DELETE_PIPELINE),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_SET_PIPELINE_STATE),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_GET_PIPELINE_STATE),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_GET_PIPELINE_CONTEXT_SIZE),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_SAVE_PIPELINE),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_RESTORE_PIPELINE),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_LOAD_LIBRARY),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_INTERNAL_MESSAGE),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_NOTIFICATION),
+};
+
+#define DBG_IPC4_NOTIFICATION_TYPE_ENTRY(type) [SOF_IPC4_NOTIFY_##type] = #type
+static const char * const ipc4_dbg_notification_type[] = {
+ DBG_IPC4_NOTIFICATION_TYPE_ENTRY(PHRASE_DETECTED),
+ DBG_IPC4_NOTIFICATION_TYPE_ENTRY(RESOURCE_EVENT),
+ DBG_IPC4_NOTIFICATION_TYPE_ENTRY(LOG_BUFFER_STATUS),
+ DBG_IPC4_NOTIFICATION_TYPE_ENTRY(TIMESTAMP_CAPTURED),
+ DBG_IPC4_NOTIFICATION_TYPE_ENTRY(FW_READY),
+ DBG_IPC4_NOTIFICATION_TYPE_ENTRY(FW_AUD_CLASS_RESULT),
+ DBG_IPC4_NOTIFICATION_TYPE_ENTRY(EXCEPTION_CAUGHT),
+ DBG_IPC4_NOTIFICATION_TYPE_ENTRY(MODULE_NOTIFICATION),
+ DBG_IPC4_NOTIFICATION_TYPE_ENTRY(PROBE_DATA_AVAILABLE),
+ DBG_IPC4_NOTIFICATION_TYPE_ENTRY(ASYNC_MSG_SRVC_MESSAGE),
+};
+
+static void sof_ipc4_log_header(struct device *dev, u8 *text, struct sof_ipc4_msg *msg,
+ bool data_size_valid)
+{
+ u32 val, type;
+ const u8 *str2 = NULL;
+ const u8 *str = NULL;
+
+ val = msg->primary & SOF_IPC4_MSG_TARGET_MASK;
+ type = SOF_IPC4_MSG_TYPE_GET(msg->primary);
+
+ if (val == SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG)) {
+ /* Module message */
+ if (type < SOF_IPC4_MOD_TYPE_LAST)
+ str = ipc4_dbg_mod_msg_type[type];
+ if (!str)
+ str = "Unknown Module message type";
+ } else {
+ /* Global FW message */
+ if (type < SOF_IPC4_GLB_TYPE_LAST)
+ str = ipc4_dbg_glb_msg_type[type];
+ if (!str)
+ str = "Unknown Global message type";
+
+ if (type == SOF_IPC4_GLB_NOTIFICATION) {
+ /* Notification message */
+ u32 notif = SOF_IPC4_NOTIFICATION_TYPE_GET(msg->primary);
+
+ if (notif < SOF_IPC4_NOTIFY_TYPE_LAST)
+ str2 = ipc4_dbg_notification_type[notif];
+ if (!str2)
+ str2 = "Unknown Global notification";
+ }
+ }
+
+ if (str2) {
+ if (data_size_valid && msg->data_size)
+ dev_dbg(dev, "%s: %#x|%#x: %s|%s [data size: %zu]\n",
+ text, msg->primary, msg->extension, str, str2,
+ msg->data_size);
+ else
+ dev_dbg(dev, "%s: %#x|%#x: %s|%s\n", text, msg->primary,
+ msg->extension, str, str2);
+ } else {
+ if (data_size_valid && msg->data_size)
+ dev_dbg(dev, "%s: %#x|%#x: %s [data size: %zu]\n",
+ text, msg->primary, msg->extension, str,
+ msg->data_size);
+ else
+ dev_dbg(dev, "%s: %#x|%#x: %s\n", text, msg->primary,
+ msg->extension, str);
+ }
+}
+#else /* CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC */
+static void sof_ipc4_log_header(struct device *dev, u8 *text, struct sof_ipc4_msg *msg,
+ bool data_size_valid)
+{
+ if (data_size_valid && msg->data_size)
+ dev_dbg(dev, "%s: %#x|%#x [data size: %zu]\n", text,
+ msg->primary, msg->extension, msg->data_size);
+ else
+ dev_dbg(dev, "%s: %#x|%#x\n", text, msg->primary, msg->extension);
+}
+#endif
+
+static int sof_ipc4_get_reply(struct snd_sof_dev *sdev)
+{
+ struct snd_sof_ipc_msg *msg = sdev->msg;
+ struct sof_ipc4_msg *ipc4_reply;
+ int ret;
+
+ /* get the generic reply */
+ ipc4_reply = msg->reply_data;
+
+ sof_ipc4_log_header(sdev->dev, "ipc tx reply", ipc4_reply, false);
+
+ ret = sof_ipc4_check_reply_status(sdev, ipc4_reply->primary);
+ if (ret)
+ return ret;
+
+ /* No other information is expected for non large config get replies */
+ if (!msg->reply_size || !SOF_IPC4_MSG_IS_MODULE_MSG(ipc4_reply->primary) ||
+ (SOF_IPC4_MSG_TYPE_GET(ipc4_reply->primary) != SOF_IPC4_MOD_LARGE_CONFIG_GET))
+ return 0;
+
+ /* Read the requested payload */
+ snd_sof_dsp_mailbox_read(sdev, sdev->dsp_box.offset, ipc4_reply->data_ptr,
+ msg->reply_size);
+
+ return 0;
+}
+
+/* wait for IPC message reply */
+static int ipc4_wait_tx_done(struct snd_sof_ipc *ipc, void *reply_data)
+{
+ struct snd_sof_ipc_msg *msg = &ipc->msg;
+ struct sof_ipc4_msg *ipc4_msg = msg->msg_data;
+ struct snd_sof_dev *sdev = ipc->sdev;
+ int ret;
+
+ /* wait for DSP IPC completion */
+ ret = wait_event_timeout(msg->waitq, msg->ipc_complete,
+ msecs_to_jiffies(sdev->ipc_timeout));
+ if (ret == 0) {
+ dev_err(sdev->dev, "ipc timed out for %#x|%#x\n",
+ ipc4_msg->primary, ipc4_msg->extension);
+ return -ETIMEDOUT;
+ }
+
+ if (msg->reply_error) {
+ dev_err(sdev->dev, "ipc error for msg %#x|%#x\n",
+ ipc4_msg->primary, ipc4_msg->extension);
+ ret = msg->reply_error;
+ } else {
+ if (reply_data) {
+ struct sof_ipc4_msg *ipc4_reply = msg->reply_data;
+ struct sof_ipc4_msg *ipc4_reply_data = reply_data;
+
+ /* Copy the header */
+ ipc4_reply_data->header_u64 = ipc4_reply->header_u64;
+ if (msg->reply_size && ipc4_reply_data->data_ptr) {
+ /* copy the payload returned from DSP */
+ memcpy(ipc4_reply_data->data_ptr, ipc4_reply->data_ptr,
+ msg->reply_size);
+ ipc4_reply_data->data_size = msg->reply_size;
+ }
+ }
+
+ ret = 0;
+ sof_ipc4_log_header(sdev->dev, "ipc tx done ", ipc4_msg, true);
+ }
+
+ /* re-enable dumps after successful IPC tx */
+ if (sdev->ipc_dump_printed) {
+ sdev->dbg_dump_printed = false;
+ sdev->ipc_dump_printed = false;
+ }
+
+ return ret;
+}
+
+static int ipc4_tx_msg_unlocked(struct snd_sof_ipc *ipc,
+ void *msg_data, size_t msg_bytes,
+ void *reply_data, size_t reply_bytes)
+{
+ struct sof_ipc4_msg *ipc4_msg = msg_data;
+ struct snd_sof_dev *sdev = ipc->sdev;
+ int ret;
+
+ if (msg_bytes > ipc->max_payload_size || reply_bytes > ipc->max_payload_size)
+ return -EINVAL;
+
+ ret = sof_ipc_send_msg(sdev, msg_data, msg_bytes, reply_bytes);
+ if (ret) {
+ dev_err_ratelimited(sdev->dev,
+ "%s: ipc message send for %#x|%#x failed: %d\n",
+ __func__, ipc4_msg->primary, ipc4_msg->extension, ret);
+ return ret;
+ }
+
+ sof_ipc4_log_header(sdev->dev, "ipc tx ", msg_data, true);
+
+ /* now wait for completion */
+ return ipc4_wait_tx_done(ipc, reply_data);
+}
+
+static int sof_ipc4_tx_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes,
+ void *reply_data, size_t reply_bytes, bool no_pm)
+{
+ struct snd_sof_ipc *ipc = sdev->ipc;
+#ifdef DEBUG_VERBOSE
+ struct sof_ipc4_msg *msg = NULL;
+#endif
+ int ret;
+
+ if (!msg_data)
+ return -EINVAL;
+
+ /* Serialise IPC TX */
+ mutex_lock(&ipc->tx_mutex);
+
+ ret = ipc4_tx_msg_unlocked(ipc, msg_data, msg_bytes, reply_data, reply_bytes);
+
+ mutex_unlock(&ipc->tx_mutex);
+
+#ifdef DEBUG_VERBOSE
+ /* payload is indicated by non zero msg/reply_bytes */
+ if (msg_bytes)
+ msg = msg_data;
+ else if (reply_bytes)
+ msg = reply_data;
+
+ if (msg)
+ sof_ipc4_dump_payload(sdev, msg->data_ptr, msg->data_size);
+#endif
+
+ return ret;
+}
+
+static int sof_ipc4_set_get_data(struct snd_sof_dev *sdev, void *data,
+ size_t payload_bytes, bool set)
+{
+ size_t payload_limit = sdev->ipc->max_payload_size;
+ struct sof_ipc4_msg *ipc4_msg = data;
+ struct sof_ipc4_msg tx = {{ 0 }};
+ struct sof_ipc4_msg rx = {{ 0 }};
+ size_t remaining = payload_bytes;
+ size_t offset = 0;
+ size_t chunk_size;
+ int ret;
+
+ if (!data)
+ return -EINVAL;
+
+ if ((ipc4_msg->primary & SOF_IPC4_MSG_TARGET_MASK) !=
+ SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG))
+ return -EINVAL;
+
+ ipc4_msg->primary &= ~SOF_IPC4_MSG_TYPE_MASK;
+ tx.primary = ipc4_msg->primary;
+ tx.extension = ipc4_msg->extension;
+
+ if (set)
+ tx.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_LARGE_CONFIG_SET);
+ else
+ tx.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_LARGE_CONFIG_GET);
+
+ tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_SIZE_MASK;
+ tx.extension |= SOF_IPC4_MOD_EXT_MSG_SIZE(payload_bytes);
+
+ tx.extension |= SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK(1);
+
+ /* Serialise IPC TX */
+ mutex_lock(&sdev->ipc->tx_mutex);
+
+ do {
+ size_t tx_size, rx_size;
+
+ if (remaining > payload_limit) {
+ chunk_size = payload_limit;
+ } else {
+ chunk_size = remaining;
+ if (set)
+ tx.extension |= SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK(1);
+ }
+
+ if (offset) {
+ tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK;
+ tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_SIZE_MASK;
+ tx.extension |= SOF_IPC4_MOD_EXT_MSG_SIZE(offset);
+ }
+
+ if (set) {
+ tx.data_size = chunk_size;
+ tx.data_ptr = ipc4_msg->data_ptr + offset;
+
+ tx_size = chunk_size;
+ rx_size = 0;
+ } else {
+ rx.primary = 0;
+ rx.extension = 0;
+ rx.data_size = chunk_size;
+ rx.data_ptr = ipc4_msg->data_ptr + offset;
+
+ tx_size = 0;
+ rx_size = chunk_size;
+ }
+
+ /* Send the message for the current chunk */
+ ret = ipc4_tx_msg_unlocked(sdev->ipc, &tx, tx_size, &rx, rx_size);
+ if (ret < 0) {
+ dev_err(sdev->dev,
+ "%s: large config %s failed at offset %zu: %d\n",
+ __func__, set ? "set" : "get", offset, ret);
+ goto out;
+ }
+
+ if (!set && rx.extension & SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK) {
+ /* Verify the firmware reported total payload size */
+ rx_size = rx.extension & SOF_IPC4_MOD_EXT_MSG_SIZE_MASK;
+
+ if (rx_size > payload_bytes) {
+ dev_err(sdev->dev,
+ "%s: Receive buffer (%zu) is too small for %zu\n",
+ __func__, payload_bytes, rx_size);
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ if (rx_size < chunk_size) {
+ chunk_size = rx_size;
+ remaining = rx_size;
+ } else if (rx_size < payload_bytes) {
+ remaining = rx_size;
+ }
+ }
+
+ offset += chunk_size;
+ remaining -= chunk_size;
+ } while (remaining);
+
+ /* Adjust the received data size if needed */
+ if (!set && payload_bytes != offset)
+ ipc4_msg->data_size = offset;
+
+ sof_ipc4_dump_payload(sdev, ipc4_msg->data_ptr, ipc4_msg->data_size);
+
+out:
+ mutex_unlock(&sdev->ipc->tx_mutex);
+
+ return ret;
+}
+
+static int sof_ipc4_init_msg_memory(struct snd_sof_dev *sdev)
+{
+ struct sof_ipc4_msg *ipc4_msg;
+ struct snd_sof_ipc_msg *msg = &sdev->ipc->msg;
+
+ /* TODO: get max_payload_size from firmware */
+ sdev->ipc->max_payload_size = SOF_IPC4_MSG_MAX_SIZE;
+
+ /* Allocate memory for the ipc4 container and the maximum payload */
+ msg->reply_data = devm_kzalloc(sdev->dev, sdev->ipc->max_payload_size +
+ sizeof(struct sof_ipc4_msg), GFP_KERNEL);
+ if (!msg->reply_data)
+ return -ENOMEM;
+
+ ipc4_msg = msg->reply_data;
+ ipc4_msg->data_ptr = msg->reply_data + sizeof(struct sof_ipc4_msg);
+
+ return 0;
+}
+
+static int ipc4_fw_ready(struct snd_sof_dev *sdev, struct sof_ipc4_msg *ipc4_msg)
+{
+ int inbox_offset, inbox_size, outbox_offset, outbox_size;
+
+ /* no need to re-check version/ABI for subsequent boots */
+ if (!sdev->first_boot)
+ return 0;
+
+ /* Set up the windows for IPC communication */
+ inbox_offset = snd_sof_dsp_get_mailbox_offset(sdev);
+ if (inbox_offset < 0) {
+ dev_err(sdev->dev, "%s: No mailbox offset\n", __func__);
+ return inbox_offset;
+ }
+ inbox_size = SOF_IPC4_MSG_MAX_SIZE;
+ outbox_offset = snd_sof_dsp_get_window_offset(sdev, 1);
+ outbox_size = SOF_IPC4_MSG_MAX_SIZE;
+
+ sdev->dsp_box.offset = inbox_offset;
+ sdev->dsp_box.size = inbox_size;
+ sdev->host_box.offset = outbox_offset;
+ sdev->host_box.size = outbox_size;
+
+ dev_dbg(sdev->dev, "mailbox upstream 0x%x - size 0x%x\n",
+ inbox_offset, inbox_size);
+ dev_dbg(sdev->dev, "mailbox downstream 0x%x - size 0x%x\n",
+ outbox_offset, outbox_size);
+
+ return sof_ipc4_init_msg_memory(sdev);
+}
+
+static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev)
+{
+ struct sof_ipc4_msg *ipc4_msg = sdev->ipc->msg.rx_data;
+ size_t data_size = 0;
+ int err;
+
+ if (!ipc4_msg || !SOF_IPC4_MSG_IS_NOTIFICATION(ipc4_msg->primary))
+ return;
+
+ ipc4_msg->data_ptr = NULL;
+ ipc4_msg->data_size = 0;
+
+ sof_ipc4_log_header(sdev->dev, "ipc rx ", ipc4_msg, false);
+
+ switch (SOF_IPC4_NOTIFICATION_TYPE_GET(ipc4_msg->primary)) {
+ case SOF_IPC4_NOTIFY_FW_READY:
+ /* check for FW boot completion */
+ if (sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS) {
+ err = ipc4_fw_ready(sdev, ipc4_msg);
+ if (err < 0)
+ sof_set_fw_state(sdev, SOF_FW_BOOT_READY_FAILED);
+ else
+ sof_set_fw_state(sdev, SOF_FW_BOOT_READY_OK);
+
+ /* wake up firmware loader */
+ wake_up(&sdev->boot_wait);
+ }
+
+ break;
+ case SOF_IPC4_NOTIFY_RESOURCE_EVENT:
+ data_size = sizeof(struct sof_ipc4_notify_resource_data);
+ break;
+ default:
+ dev_dbg(sdev->dev, "%s: Unhandled DSP message: %#x|%#x\n", __func__,
+ ipc4_msg->primary, ipc4_msg->extension);
+ break;
+ }
+
+ if (data_size) {
+ ipc4_msg->data_ptr = kmalloc(data_size, GFP_KERNEL);
+ if (!ipc4_msg->data_ptr)
+ return;
+
+ ipc4_msg->data_size = data_size;
+ snd_sof_ipc_msg_data(sdev, NULL, ipc4_msg->data_ptr, ipc4_msg->data_size);
+ }
+
+ sof_ipc4_log_header(sdev->dev, "ipc rx done ", ipc4_msg, true);
+
+ if (data_size) {
+ kfree(ipc4_msg->data_ptr);
+ ipc4_msg->data_ptr = NULL;
+ ipc4_msg->data_size = 0;
+ }
+}
+
+const struct sof_ipc_ops ipc4_ops = {
+ .tx_msg = sof_ipc4_tx_msg,
+ .rx_msg = sof_ipc4_rx_msg,
+ .set_get_data = sof_ipc4_set_get_data,
+ .get_reply = sof_ipc4_get_reply,
+};
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index 106ef2f2261f..8ea196305e4b 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -768,5 +768,6 @@ static inline int sof_resume_clients(struct snd_sof_dev *sdev)
/* Main ops for IPC implementations */
extern const struct sof_ipc_ops ipc3_ops;
+extern const struct sof_ipc_ops ipc4_ops;
#endif
--
2.36.0
