On 8/3/2021 2:54 PM, Srinivas Kandagatla wrote:
Add support to q6apm (Audio Process Manager) component which is
core Audioreach service running in the DSP.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
...
diff --git a/sound/soc/qcom/qdsp6/q6apm.c b/sound/soc/qcom/qdsp6/q6apm.c
new file mode 100644
index 000000000000..6b0b11204f88
--- /dev/null
+++ b/sound/soc/qcom/qdsp6/q6apm.c
@@ -0,0 +1,662 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020, Linaro Limited
+
+#include <dt-bindings/soc/qcom,gpr.h>
+#include <linux/delay.h>
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/soc/qcom/apr.h>
+#include <linux/wait.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/pcm.h>
+#include "audioreach.h"
+#include "q6apm.h"
+
+/* Graph Management */
+struct apm_graph_mgmt_cmd {
+ struct apm_module_param_data param_data;
+ uint32_t num_sub_graphs;
+ uint32_t sub_graph_id_list[0];uint32_t sub_graph_id_list[];
+} __packed;
+
...
+
+static struct audioreach_graph *q6apm_get_audioreach_graph(struct q6apm *apm,
+ uint32_t graph_id)
+{
+ struct audioreach_graph *graph;
+ struct audioreach_graph_info *info;
+ unsigned long flags;
+
+ spin_lock_irqsave(&apm->lock, flags);
+ graph = idr_find(&apm->graph_idr, graph_id);
+ spin_unlock_irqrestore(&apm->lock, flags);
+
+ if (graph) {
+ kref_get(&graph->refcount);
+ return graph;
+ }
+
+ info = idr_find(&apm->graph_info_idr, graph_id);
+
+ if (!info)
+ return ERR_PTR(-ENODEV);
+
+ graph = kzalloc(sizeof(*graph), GFP_KERNEL);
+ if (!graph)
+ return ERR_PTR(-ENOMEM);
+
+ graph->apm = apm;
+ graph->info = info;
+ graph->id = graph_id;
+
+ /* Assuming Linear Graphs only for now! */
+ graph->graph = audioreach_alloc_graph_pkt(apm, &info->sg_list, graph_id);
+ if (IS_ERR(graph->graph))
+ return ERR_PTR(-ENOMEM);
Shouldn't graph be freed before returning here?
+
+ spin_lock(&apm->lock);
+ idr_alloc(&apm->graph_idr, graph, graph_id,
+ graph_id + 1, GFP_ATOMIC);
+ spin_unlock(&apm->lock);
+
+ kref_init(&graph->refcount);
+
+ q6apm_send_cmd_sync(apm, graph->graph, 0);
+
+ return graph;
+}
+
...
