From a934afdbb022d5a7b1d20251875ecefcaf48536a Mon Sep 17 00:00:00 2001
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Date: Thu, 27 Oct 2022 11:27:08 +0100
Subject: [PATCH] ASoC: qdsp6: audioreach: add support to enable SAL Module

Add support to Simple Accumulator-Limiter module.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20221027102710.21407-8-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 sound/soc/qcom/qdsp6/audioreach.c | 77 +++++++++++++++++++++++++++++++
 sound/soc/qcom/qdsp6/audioreach.h | 11 +++++
 2 files changed, 88 insertions(+)

diff --git a/sound/soc/qcom/qdsp6/audioreach.c b/sound/soc/qcom/qdsp6/audioreach.c
index 99cade6d8a48..be7068742fe4 100644
--- a/sound/soc/qcom/qdsp6/audioreach.c
+++ b/sound/soc/qcom/qdsp6/audioreach.c
@@ -658,6 +658,77 @@ static int audioreach_codec_dma_set_media_format(struct q6apm_graph *graph,
 	return rc;
 }
 
+static int audioreach_sal_limiter_enable(struct q6apm_graph *graph,
+					 struct audioreach_module *module, bool enable)
+{
+	struct apm_module_param_data *param_data;
+	struct param_id_sal_limiter_enable *limiter_enable;
+	int payload_size;
+	struct gpr_pkt *pkt;
+	int rc;
+	void *p;
+
+	payload_size = sizeof(*limiter_enable) + APM_MODULE_PARAM_DATA_SIZE;
+
+	pkt = audioreach_alloc_apm_cmd_pkt(payload_size, APM_CMD_SET_CFG, 0);
+	if (IS_ERR(pkt))
+		return PTR_ERR(pkt);
+
+	p = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
+
+	param_data = p;
+	param_data->module_instance_id = module->instance_id;
+	param_data->error_code = 0;
+	param_data->param_id = PARAM_ID_SAL_LIMITER_ENABLE;
+	param_data->param_size = sizeof(*limiter_enable);
+	p = p + APM_MODULE_PARAM_DATA_SIZE;
+	limiter_enable = p;
+
+	limiter_enable->enable_lim = enable;
+
+	rc = q6apm_send_cmd_sync(graph->apm, pkt, 0);
+
+	kfree(pkt);
+
+	return rc;
+}
+
+static int audioreach_sal_set_media_format(struct q6apm_graph *graph,
+					   struct audioreach_module *module,
+					   struct audioreach_module_config *cfg)
+{
+	struct apm_module_param_data *param_data;
+	struct param_id_sal_output_config *media_format;
+	int payload_size;
+	struct gpr_pkt *pkt;
+	int rc;
+	void *p;
+
+	payload_size = sizeof(*media_format) + APM_MODULE_PARAM_DATA_SIZE;
+
+	pkt = audioreach_alloc_apm_cmd_pkt(payload_size, APM_CMD_SET_CFG, 0);
+	if (IS_ERR(pkt))
+		return PTR_ERR(pkt);
+
+	p = (void *)pkt + GPR_HDR_SIZE + APM_CMD_HDR_SIZE;
+
+	param_data = p;
+	param_data->module_instance_id = module->instance_id;
+	param_data->error_code = 0;
+	param_data->param_id = PARAM_ID_SAL_OUTPUT_CFG;
+	param_data->param_size = sizeof(*media_format);
+	p = p + APM_MODULE_PARAM_DATA_SIZE;
+	media_format = p;
+
+	media_format->bits_per_sample = cfg->bit_width;
+
+	rc = q6apm_send_cmd_sync(graph->apm, pkt, 0);
+
+	kfree(pkt);
+
+	return rc;
+}
+
 static int audioreach_i2s_set_media_format(struct q6apm_graph *graph,
 					   struct audioreach_module *module,
 					   struct audioreach_module_config *cfg)
@@ -978,6 +1049,12 @@ int audioreach_set_media_format(struct q6apm_graph *graph, struct audioreach_mod
 	case MODULE_ID_CODEC_DMA_SOURCE:
 		rc = audioreach_codec_dma_set_media_format(graph, module, cfg);
 		break;
+	case MODULE_ID_SAL:
+		rc = audioreach_sal_set_media_format(graph, module, cfg);
+		if (!rc)
+			rc = audioreach_sal_limiter_enable(graph, module, true);
+		break;
+
 	default:
 		rc = 0;
 	}
diff --git a/sound/soc/qcom/qdsp6/audioreach.h b/sound/soc/qcom/qdsp6/audioreach.h
index df5026b646c1..f2b51d8fc718 100644
--- a/sound/soc/qcom/qdsp6/audioreach.h
+++ b/sound/soc/qcom/qdsp6/audioreach.h
@@ -15,6 +15,7 @@ struct q6apm_graph;
 #define MODULE_ID_PCM_CNV		0x07001003
 #define MODULE_ID_PCM_ENC		0x07001004
 #define MODULE_ID_PCM_DEC		0x07001005
+#define MODULE_ID_SAL			0x07001010
 #define MODULE_ID_CODEC_DMA_SINK	0x07001023
 #define MODULE_ID_CODEC_DMA_SOURCE	0x07001024
 #define MODULE_ID_I2S_SINK		0x0700100A
@@ -499,6 +500,16 @@ struct data_logging_config {
 	uint32_t mode;
 } __packed;
 
+#define PARAM_ID_SAL_OUTPUT_CFG			0x08001016
+struct param_id_sal_output_config {
+	uint32_t bits_per_sample;
+} __packed;
+
+#define PARAM_ID_SAL_LIMITER_ENABLE		0x0800101E
+struct param_id_sal_limiter_enable {
+	uint32_t enable_lim;
+} __packed;
+
 #define PARAM_ID_MFC_OUTPUT_MEDIA_FORMAT	0x08001024
 
 struct param_id_mfc_media_format {