[alsa-devel] [PATCH 4/4] ASoC: Intel: Skylake: Configure DSP clock source

[Guneshwor Singh]

From: Pradeep Tewani <pradeep.d.tewani at intel.com>

DSP clock source is configured by sending the A-State table to the FW.
Add the large config set IPC to configure the desired clock source

Signed-off-by: Pradeep Tewani <pradeep.d.tewani at intel.com>
Signed-off-by: Guneshwor Singh <guneshwor.o.singh at intel.com>
---
 sound/soc/intel/skylake/skl-messages.c | 18 ++++++++++++++++++
 sound/soc/intel/skylake/skl-pcm.c      |  6 ++++++
 sound/soc/intel/skylake/skl-sst-dsp.h  |  3 +++
 3 files changed, 27 insertions(+)

diff --git a/sound/soc/intel/skylake/skl-messages.c b/sound/soc/intel/skylake/skl-messages.c
index 61b5bfa79d13..81ee1118ed71 100644
--- a/sound/soc/intel/skylake/skl-messages.c
+++ b/sound/soc/intel/skylake/skl-messages.c
@@ -55,6 +55,19 @@ static int skl_free_dma_buf(struct device *dev, struct snd_dma_buffer *dmab)
 	return 0;
 }
 
+#define SKL_ASTATE_PARAM_ID	4
+
+void skl_dsp_set_astate_cfg(struct skl_sst *ctx, u32 cnt, void *data)
+{
+	struct skl_ipc_large_config_msg	msg = {0};
+
+	msg.large_param_id = SKL_ASTATE_PARAM_ID;
+	msg.param_data_size = (cnt * sizeof(struct skl_astate_param) +
+				sizeof(cnt));
+
+	skl_ipc_set_large_config(&ctx->ipc, &msg, data);
+}
+
 #define NOTIFICATION_PARAM_ID 3
 #define NOTIFICATION_MASK 0xf
 
@@ -409,6 +422,11 @@ int skl_resume_dsp(struct skl *skl)
 		return ret;
 
 	skl_dsp_enable_notification(skl->skl_sst, false);
+
+	if (skl->cfg.astate_cfg != NULL) {
+		skl_dsp_set_astate_cfg(skl->skl_sst, skl->cfg.astate_cfg->count,
+					skl->cfg.astate_cfg);
+	}
 	return ret;
 }
 
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 1dd97479e0c0..07150860680f 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -1351,6 +1351,12 @@ static int skl_platform_soc_probe(struct snd_soc_platform *platform)
 		skl_populate_modules(skl);
 		skl->skl_sst->update_d0i3c = skl_update_d0i3c;
 		skl_dsp_enable_notification(skl->skl_sst, false);
+
+		if (skl->cfg.astate_cfg != NULL) {
+			skl_dsp_set_astate_cfg(skl->skl_sst,
+					skl->cfg.astate_cfg->count,
+					skl->cfg.astate_cfg);
+		}
 	}
 	pm_runtime_mark_last_busy(platform->dev);
 	pm_runtime_put_autosuspend(platform->dev);
diff --git a/sound/soc/intel/skylake/skl-sst-dsp.h b/sound/soc/intel/skylake/skl-sst-dsp.h
index eba20d37ba8c..b8e799ed65ef 100644
--- a/sound/soc/intel/skylake/skl-sst-dsp.h
+++ b/sound/soc/intel/skylake/skl-sst-dsp.h
@@ -251,6 +251,9 @@ void skl_freeup_uuid_list(struct skl_sst *ctx);
 
 int skl_dsp_strip_extended_manifest(struct firmware *fw);
 void skl_dsp_enable_notification(struct skl_sst *ctx, bool enable);
+
+void skl_dsp_set_astate_cfg(struct skl_sst *ctx, u32 cnt, void *data);
+
 int skl_sst_ctx_init(struct device *dev, int irq, const char *fw_name,
 		struct skl_dsp_loader_ops dsp_ops, struct skl_sst **dsp,
 		struct sst_dsp_device *skl_dev);
-- 
2.15.0