ASoC: SOF: Initial support for IPC4 compress offload #5647

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ujfalusi wants to merge 19 commits into thesofproject:topic/sof-dev from ujfalusi:peter/topic/ipc4_compr

+1,502 −258

include/sound/compress_driver.h

-Original file line number
+Diff line change
@@ Expand Up / @@ -190,6 +190,8 @@ struct snd_compr_ops { @@
      * @lock: device lock
      * @device: device id
      * @use_pause_in_draining: allow pause in draining, true when set
+     * @keep_running_state_after_drain: after successful drain, keep the RUNNING state instead of
+     *				    moving to SETUP
      */
     struct snd_compr {
     	const char *name;
@@ Expand All / @@ -201,6 +203,7 @@ struct snd_compr { @@
     	struct mutex lock;
     	int device;
     	bool use_pause_in_draining;
+    	bool keep_running_state_after_drain;
     #ifdef CONFIG_SND_VERBOSE_PROCFS
     	/* private: */
     	char id[64];
@@ Expand All @@
     	substream->device->use_pause_in_draining = true;
     }
+    /**
+     * snd_compr_keep_running_state_after_drain - Keep RUNNING state after drain
+     * @substream: compress substream to set
+     *
+     * Keep the device in RUNNING state after the drain completed instead of transitioning
+     * to SETUP state.
+     * For generic drivers the SETUP state is not equal to RUNNING state and a transition
+     * between them without a trigger is not possible.
+     * For example in complex systems with Soundwire after the drain the stream can be
+     * closed, but the stream has not been stopped, which will result errors in codec and
+     * subsystem level.
+     */
+    static inline void snd_compr_keep_running_state_after_drain(struct snd_compr_stream *substream)
+    {
+    	substream->device->keep_running_state_after_drain = true;
+    }
     /* dsp driver callback apis
      * For playback: driver should call snd_compress_fragment_elapsed() to let the
      * framework know that a fragment has been consumed from the ring buffer
@@ Expand All @@
     	if (snd_BUG_ON(!stream))
     		return;
-    	/* for partial_drain case we are back to running state on success */
-    	if (stream->partial_drain) {
+    	/*
+    	 * For partial_drain case or if keep_running_state_after_drain is set we
+    	 * are back to running state on success
+    	 */
+    	if (stream->partial_drain || stream->device->keep_running_state_after_drain) {
     		stream->runtime->state = SNDRV_PCM_STATE_RUNNING;
     		stream->partial_drain = false; /* clear this flag as well */
     	} else {
@@ Expand Down @@

include/sound/sof/ipc4/header.h

-Original file line number
+Diff line change
@@ Expand Up / @@ -433,12 +433,10 @@ enum sof_ipc4_fw_config_params { @@
     	SOF_IPC4_FW_CFG_RESERVED,
     	SOF_IPC4_FW_CFG_POWER_GATING_POLICY,
     	SOF_IPC4_FW_CFG_ASSERT_MODE,
-    	SOF_IPC4_FW_RESERVED1,
-    	SOF_IPC4_FW_RESERVED2,
-    	SOF_IPC4_FW_RESERVED3,
-    	SOF_IPC4_FW_RESERVED4,
-    	SOF_IPC4_FW_RESERVED5,
-    	SOF_IPC4_FW_CONTEXT_SAVE
+    	/* Reserved: 24 - 28 */
+    	SOF_IPC4_FW_CONTEXT_SAVE = 29,
+    	/* Reserved: 30 - 34 */
+    	SOF_IPC4_FW_CFG_SOF_INFO = 35,
     };
     struct sof_ipc4_fw_version {
@@ Expand All / @@ -448,6 +446,14 @@ struct sof_ipc4_fw_version { @@
     	uint16_t build;
     } __packed;
+    /*
+     * tuple based array for SOF specific information under SOF_IPC4_FW_CFG_SOF_INFO
+     * tuple of fw_config
+     */
+    enum ipc4_fw_sof_info_params {
+    	SOF_IPC4_SOF_CODEC_INFO,
+    };
     /* Payload data for SOF_IPC4_MOD_SET_DX */
     struct sof_ipc4_dx_state_info {
     	/* core(s) to apply the change */
@@ Expand Down Expand Up / @@ -616,9 +622,10 @@ struct sof_ipc4_notify_module_data { @@
      * The event_data contains the struct sof_ipc4_control_msg_payload of the control
      * which sent the notification.
      */
-    #define SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_MAGIC_MASK		GENMASK(31, 16)
+    #define SOF_IPC4_NOTIFY_MODULE_EVENTID_SOF_MAGIC_MASK		GENMASK(31, 16)
     #define SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_MAGIC_VAL		0xA15A0000
     #define SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_PARAMID_MASK	GENMASK(15, 0)
+    #define SOF_IPC4_NOTIFY_MODULE_EVENTID_COMPR_MAGIC_VAL		0xC0C00000
     /*
      * Macros for creating struct sof_ipc4_module_init_ext_init payload
@@ Expand Down Expand Up / @@ -681,7 +688,8 @@ struct sof_ipc4_module_init_ext_object { @@
     enum sof_ipc4_mod_init_ext_obj_id {
     	SOF_IPC4_MOD_INIT_DATA_ID_INVALID = 0,
     	SOF_IPC4_MOD_INIT_DATA_ID_DP_DATA,
-    	SOF_IPC4_MOD_INIT_DATA_ID_MAX = SOF_IPC4_MOD_INIT_DATA_ID_DP_DATA,
+    	SOF_IPC4_MOD_INIT_DATA_ID_MODULE_DATA,
+    	SOF_IPC4_MOD_INIT_DATA_ID_MAX = SOF_IPC4_MOD_INIT_DATA_ID_MODULE_DATA,
     };
     /* DP module memory configuration data object for ext_init object array */
@@ Expand Down @@

sound/soc/soc-compress.c

-Original file line number
+Diff line change
@@ Expand Up @@
     	return ret;
     }
-    static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd)
+    static int soc_compr_trigger_fe_be(struct snd_compr_stream *cstream, int cmd,
+    				   bool fe_first)
     {
     	struct snd_soc_pcm_runtime *fe = cstream->private_data;
     	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(fe, 0);
+    	int ret;
+    	if (fe_first) {
+    		dev_dbg(fe->dev, "ASoC: pre trigger FE %s cmd %d\n",
+    			fe->dai_link->name, cmd);
+    		ret = snd_soc_dai_compr_trigger(cpu_dai, cstream, cmd);
+    		if (ret < 0)
+    			goto out;
+    		ret = snd_soc_component_compr_trigger(cstream, cmd);
+    		if (ret < 0)
+    			goto out;
+    		ret = dpcm_be_dai_trigger(fe, cstream->direction, cmd);
+    	} else {
+    		dev_dbg(fe->dev, "ASoC: post trigger FE %s cmd %d\n",
+    			fe->dai_link->name, cmd);
+    		ret = dpcm_be_dai_trigger(fe, cstream->direction, cmd);
+    		if (ret < 0)
+    			goto out;
+    		ret = snd_soc_dai_compr_trigger(cpu_dai, cstream, cmd);
+    		if (ret < 0)
+    			goto out;
+    		ret = snd_soc_component_compr_trigger(cstream, cmd);
+    	}
+    out:
+    	return ret;
+    }
+    static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd)
+    {
+    	struct snd_soc_pcm_runtime *fe = cstream->private_data;
     	int stream = cstream->direction; /* SND_COMPRESS_xxx is same as SNDRV_PCM_STREAM_xxx */
+    	bool fe_first = true;
     	int ret;
     	if (cmd == SND_COMPR_TRIGGER_PARTIAL_DRAIN ||
     	    cmd == SND_COMPR_TRIGGER_DRAIN)
     		return snd_soc_component_compr_trigger(cstream, cmd);
+    	switch (fe->dai_link->trigger[stream]) {
+    	case SND_SOC_DPCM_TRIGGER_PRE:
+    		fe_first = true;
+    		break;
+    	case SND_SOC_DPCM_TRIGGER_POST:
+    		fe_first = false;
+    		break;
+    	default:
+    		break;
+    	}
     	snd_soc_card_mutex_lock(fe->card);
-    	ret = snd_soc_dai_compr_trigger(cpu_dai, cstream, cmd);
-    	if (ret < 0)
-    		goto out;
+    	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+    	switch (cmd) {
+    	case SNDRV_PCM_TRIGGER_START:
+    	case SNDRV_PCM_TRIGGER_RESUME:
+    	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+    		ret = soc_compr_trigger_fe_be(cstream, cmd, fe_first);
+    		break;
+    	case SNDRV_PCM_TRIGGER_STOP:
+    	case SNDRV_PCM_TRIGGER_SUSPEND:
+    	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+    		ret = soc_compr_trigger_fe_be(cstream, cmd, !fe_first);
+    		break;
+    	default:
+    		ret = -EINVAL;
+    		break;
+    	}
-    	ret = snd_soc_component_compr_trigger(cstream, cmd);
     	if (ret < 0)
     		goto out;
-    	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
-    	ret = dpcm_be_dai_trigger(fe, stream, cmd);
     	switch (cmd) {
     	case SNDRV_PCM_TRIGGER_START:
     	case SNDRV_PCM_TRIGGER_RESUME:
@@ Expand Down @@

sound/soc/soc-pcm.c

-Original file line number
+Diff line change
@@ Expand Up @@
     		}
     		__soc_pcm_close(be, be_substream);
+    		if (fe->fe_compr)
+    			kfree(be_substream->runtime);
     		be_substream->runtime = NULL;
     		be->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE;
     	}
@@ Expand Down Expand Up @@
     		dev_dbg(be->dev, "ASoC: open %s BE %s\n",
     			snd_pcm_direction_name(stream), be->dai_link->name);
-    		be_substream->runtime = fe_substream->runtime;
+    		if (!fe->fe_compr) {
+    			be_substream->runtime = fe_substream->runtime;
+    		} else {
+    			be_substream->runtime = kzalloc(sizeof(*be_substream->runtime), GFP_KERNEL);
+    			if (!be_substream->runtime) {
+    				err = -ENOMEM;
+    				goto unwind;
+    			}
+    		}
     		err = __soc_pcm_open(be, be_substream);
     		if (err < 0) {
     			be->dpcm[stream].users--;
@@ Expand Down @@

sound/soc/sof/Makefile

-Original file line number
+Diff line change
@@ Expand Up @@
     ifneq ($(CONFIG_SND_SOC_SOF_IPC3),)
     snd-sof-y +=	ipc3.o ipc3-loader.o ipc3-topology.o ipc3-control.o ipc3-pcm.o\
     		ipc3-dtrace.o
+    snd-sof-$(CONFIG_SND_SOC_SOF_COMPRESS) += ipc3-compress.o
     endif
     ifneq ($(CONFIG_SND_SOC_SOF_IPC4),)
     snd-sof-y += ipc4.o ipc4-loader.o ipc4-topology.o ipc4-control.o ipc4-pcm.o\
     		ipc4-mtrace.o ipc4-telemetry.o
+    snd-sof-$(CONFIG_SND_SOC_SOF_COMPRESS) += ipc4-compress.o
     endif
     # SOF client support
     ifneq ($(CONFIG_SND_SOC_SOF_CLIENT),)
     snd-sof-y += sof-client.o
     endif
-    snd-sof-$(CONFIG_SND_SOC_SOF_COMPRESS) += compress.o
     snd-sof-pci-y := sof-pci-dev.o
     snd-sof-acpi-y := sof-acpi-dev.o
     snd-sof-of-y := sof-of-dev.o
@@ Expand Down @@

sound/soc/sof/core.c

-Original file line number
+Diff line change
@@ Expand Up / @@ -469,11 +469,12 @@ static int sof_probe_continue(struct snd_sof_dev *sdev) @@
     	sof_set_fw_state(sdev, SOF_FW_BOOT_PREPARE);
-    	/* set up platform component driver */
-    	snd_sof_new_platform_drv(sdev);
     	if (sdev->dspless_mode_selected) {
     		sof_set_fw_state(sdev, SOF_DSPLESS_MODE);
+    		/* set up platform component driver */
+    		snd_sof_new_platform_drv(sdev);
     		goto skip_dsp_init;
     	}
@@ Expand All / @@ -498,6 +499,9 @@ static int sof_probe_continue(struct snd_sof_dev *sdev) @@
     		goto ipc_err;
     	}
+    	/* set up platform component driver after initializing the IPC ops */
+    	snd_sof_new_platform_drv(sdev);
     	/*
     	 * skip loading/booting firmware and registering the machine driver when DSP OPS testing
     	 * is enabled with IPC4. Normal audio operations will be unavailable in this mode.
@@ Expand Down @@

sound/soc/sof/intel/Kconfig

-Original file line number
+Diff line change
@@ Expand Up / @@ -186,8 +186,6 @@ config SND_SOC_SOF_INTEL_ICL @@
     	tristate
     	select SND_SOC_SOF_HDA_GENERIC
     	select SND_SOC_SOF_INTEL_SOUNDWIRE_LINK_BASELINE
-    	select SND_SOC_SOF_IPC3
-    	select SND_SOC_SOF_IPC4
     	select SND_SOC_SOF_INTEL_CNL
     config SND_SOC_SOF_ICELAKE
@@ Expand All / @@ -214,9 +212,8 @@ config SND_SOC_SOF_INTEL_TGL @@
     	tristate
     	select SND_SOC_SOF_HDA_GENERIC
     	select SND_SOC_SOF_INTEL_SOUNDWIRE_LINK_BASELINE
-    	select SND_SOC_SOF_IPC3
-    	select SND_SOC_SOF_IPC4
     	select SND_SOC_SOF_INTEL_CNL
+    	select SND_SOC_SOF_COMPRESS
     config SND_SOC_SOF_TIGERLAKE
     	tristate "SOF support for Tigerlake"
@@ Expand Down Expand Up / @@ -253,6 +250,7 @@ config SND_SOC_SOF_INTEL_MTL @@
     	select SND_SOC_SOF_HDA_GENERIC
     	select SND_SOC_SOF_INTEL_SOUNDWIRE_LINK_BASELINE
     	select SND_SOC_SOF_IPC4
+    	select SND_SOC_SOF_COMPRESS
     config SND_SOC_SOF_METEORLAKE
     	tristate "SOF support for Meteorlake"
@@ Expand All / @@ -270,7 +268,6 @@ config SND_SOC_SOF_INTEL_LNL @@
     	select SND_SOC_SOF_HDA_GENERIC
     	select SND_SOC_SOF_INTEL_SOUNDWIRE_LINK_BASELINE
     	select SND_SOF_SOF_HDA_SDW_BPT if SND_SOC_SOF_INTEL_SOUNDWIRE != n
-    	select SND_SOC_SOF_IPC4
     	select SND_SOC_SOF_INTEL_MTL
     config SND_SOC_SOF_LUNARLAKE
@@ Expand All / @@ -287,7 +284,6 @@ config SND_SOC_SOF_INTEL_PTL @@
     	tristate
     	select SND_SOC_SOF_HDA_COMMON
     	select SND_SOC_SOF_INTEL_SOUNDWIRE_LINK_BASELINE
-    	select SND_SOC_SOF_IPC4
     	select SND_SOC_SOF_INTEL_LNL
     config SND_SOC_SOF_PANTHERLAKE
@@ Expand All / @@ -304,7 +300,6 @@ config SND_SOC_SOF_INTEL_NVL @@
     	tristate
     	select SND_SOC_SOF_HDA_COMMON
     	select SND_SOC_SOF_INTEL_SOUNDWIRE_LINK_BASELINE
-    	select SND_SOC_SOF_IPC4
     	select SND_SOC_SOF_INTEL_PTL
     config SND_SOC_SOF_NOVALAKE
@@ Expand Down @@

sound/soc/sof/intel/hda-common-ops.c

-Original file line number
+Diff line change
@@ Expand Up / @@ -57,6 +57,14 @@ const struct snd_sof_dsp_ops sof_hda_common_ops = { @@
     	.pcm_pointer	= hda_dsp_pcm_pointer,
     	.pcm_ack	= hda_dsp_pcm_ack,
+    	.compr_open = hda_dsp_compr_open,
+    	.compr_hw_params = hda_dsp_compr_hw_params,
+    	.compr_hw_free = hda_dsp_stream_compr_hw_free,
+    	.compr_close = hda_dsp_compr_close,
+    	.compr_trigger = hda_dsp_compr_trigger,
+    	.compr_pointer = hda_dsp_compr_pointer,
+    	.compr_get_dai_frame_counter = hda_dsp_compr_get_stream_llp,
     	.get_dai_frame_counter = hda_dsp_get_stream_llp,
     	.get_host_byte_counter = hda_dsp_get_stream_ldp,
@@ Expand Down @@

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