From: Rander Wang <rander.wang@xxxxxxxxx>
Currently IPC4 supports GDB slot, telemetry slot and
debug slot. This helper function will be used to get
the slot offset in debug windows for further processing.
Signed-off-by: Rander Wang <rander.wang@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: Guennadi Liakhovetski <guennadi.liakhovetski@xxxxxxxxxxxxxxx>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
---
sound/soc/sof/ipc4-priv.h | 3 +++
sound/soc/sof/ipc4.c | 23 +++++++++++++++++++++++
2 files changed, 26 insertions(+)
diff --git a/sound/soc/sof/ipc4-priv.h b/sound/soc/sof/ipc4-priv.h
index a5d0b2eae464..9e69b7c29117 100644
--- a/sound/soc/sof/ipc4-priv.h
+++ b/sound/soc/sof/ipc4-priv.h
@@ -120,4 +120,7 @@ void sof_ipc4_update_cpc_from_manifest(struct snd_sof_dev *sdev,
struct sof_ipc4_fw_module *fw_module,
struct sof_ipc4_base_module_cfg *basecfg);
+size_t sof_ipc4_find_debug_slot_offset_by_type(struct snd_sof_dev *sdev,
+ u32 slot_type);
+
#endif
diff --git a/sound/soc/sof/ipc4.c b/sound/soc/sof/ipc4.c
index 6c33ee5af32b..4673c53f6c03 100644
--- a/sound/soc/sof/ipc4.c
+++ b/sound/soc/sof/ipc4.c
@@ -547,6 +547,29 @@ static int sof_ipc4_init_msg_memory(struct snd_sof_dev *sdev)
return 0;
}
+size_t sof_ipc4_find_debug_slot_offset_by_type(struct snd_sof_dev *sdev,
+ u32 slot_type)
+{
+ size_t slot_desc_type_offset;
+ u32 type;
+ int i;
+
+ /* The type is the second u32 in the slot descriptor */
+ slot_desc_type_offset = sdev->debug_box.offset + sizeof(u32);
+ for (i = 0; i < SOF_IPC4_MAX_DEBUG_SLOTS; i++) {
+ sof_mailbox_read(sdev, slot_desc_type_offset, &type, sizeof(type));
+
+ if (type == slot_type)
+ return sdev->debug_box.offset + (i + 1) * SOF_IPC4_DEBUG_SLOT_SIZE;
+
+ slot_desc_type_offset += SOF_IPC4_DEBUG_DESCRIPTOR_SIZE;
+ }
+
+ dev_dbg(sdev->dev, "Slot type %#x is not available in debug window\n", slot_type);
+ return 0;
+}
+EXPORT_SYMBOL(sof_ipc4_find_debug_slot_offset_by_type);
+
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;
--
2.42.0
