From f36ffb140a5f77cdd912485c677592a043fe256a Mon Sep 17 00:00:00 2001
From: Ramu Gottipati <ramug@codeaurora.org>
Date: Thu, 26 Dec 2019 10:50:00 +0530
Subject: [PATCH] dsp: Add FFECNS Freeze event support

Add support to send ffecns freeze event

Change-Id: I73bc6ff8c091427ddb398ae11c95f19c36e904b6
Signed-off-by: Ramu Gottipati <ramug@codeaurora.org>
---
 dsp/q6adm.c                | 45 +++++++++++++++++++++++++++++++++++++-
 include/dsp/apr_audio-v2.h |  1 +
 include/dsp/q6adm-v2.h     |  8 ++++++-
 3 files changed, 52 insertions(+), 2 deletions(-)

diff --git a/dsp/q6adm.c b/dsp/q6adm.c
index b161df90ae..97d2569ed6 100644
--- a/dsp/q6adm.c
+++ b/dsp/q6adm.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
  */
 #include <linux/module.h>
 #include <linux/slab.h>
@@ -4568,6 +4568,49 @@ int adm_set_ffecns_effect(int effect)
 }
 EXPORT_SYMBOL(adm_set_ffecns_effect);
 
+/**
+ * adm_set_ffecns_freeze_event -
+ *      command to set event for ffecns module
+ *
+ * @event: send ffecns freeze event true or false
+ *
+ * Returns 0 on success or error on failure
+ */
+int adm_set_ffecns_freeze_event(bool ffecns_freeze_event)
+{
+	struct ffv_spf_freeze_param_t ffv_param;
+	struct param_hdr_v3 param_hdr;
+	int rc = 0;
+	int copp_idx = 0;
+
+	memset(&param_hdr, 0, sizeof(param_hdr));
+	memset(&ffv_param, 0, sizeof(ffv_param));
+
+	ffv_param.freeze = ffecns_freeze_event ? 1 : 0;
+	ffv_param.source_id = 0; /*default value*/
+
+	copp_idx = adm_get_default_copp_idx(this_adm.ffecns_port_id);
+	if ((copp_idx < 0) || (copp_idx >= MAX_COPPS_PER_PORT)) {
+		pr_err("%s, no active copp to query rms copp_idx:%d\n",
+			__func__, copp_idx);
+		return -EINVAL;
+	}
+
+	param_hdr.module_id = FFECNS_MODULE_ID;
+	param_hdr.instance_id = INSTANCE_ID_0;
+	param_hdr.param_id = PARAM_ID_FFV_SPF_FREEZE;
+	param_hdr.param_size = sizeof(ffv_param);
+
+	rc = adm_pack_and_set_one_pp_param(this_adm.ffecns_port_id, copp_idx,
+					param_hdr, (uint8_t *) &ffv_param);
+	if (rc)
+		pr_err("%s: Failed to set ffecns imc event, err %d\n",
+		       __func__, rc);
+
+	return rc;
+}
+EXPORT_SYMBOL(adm_set_ffecns_freeze_event);
+
 /**
  * adm_param_enable -
  *      command to send params to ADM for given module
diff --git a/include/dsp/apr_audio-v2.h b/include/dsp/apr_audio-v2.h
index 72b11e2fbd..740c93c7c7 100644
--- a/include/dsp/apr_audio-v2.h
+++ b/include/dsp/apr_audio-v2.h
@@ -849,6 +849,7 @@ struct audproc_softvolume_params {
  */
 #define AUDPROC_MODULE_ID_MFC_EC_REF                        0x0001092C
 
+#define PARAM_ID_FFV_SPF_FREEZE                             0x00010960
 
 struct adm_cmd_set_pp_params_v5 {
 	struct apr_hdr hdr;
diff --git a/include/dsp/q6adm-v2.h b/include/dsp/q6adm-v2.h
index 894bca40c8..9f5fef8cfb 100644
--- a/include/dsp/q6adm-v2.h
+++ b/include/dsp/q6adm-v2.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
  */
 #ifndef __Q6_ADM_V2_H__
 #define __Q6_ADM_V2_H__
@@ -85,6 +85,11 @@ struct msm_pcm_channel_mixer {
 	bool override_out_ch_map;
 };
 
+struct ffv_spf_freeze_param_t {
+	uint16_t freeze;
+	uint16_t source_id;
+};
+
 int srs_trumedia_open(int port_id, int copp_idx, __s32 srs_tech_id,
 		      void *srs_params);
 
@@ -221,4 +226,5 @@ int adm_programable_channel_mixer(int port_id, int copp_idx, int session_id,
 void msm_dts_srs_acquire_lock(void);
 void msm_dts_srs_release_lock(void);
 void adm_set_native_mode(int mode);
+int adm_set_ffecns_freeze_event(bool ffecns_freeze_event);
 #endif /* __Q6_ADM_V2_H__ */