1 files changed, 382 insertions, 0 deletions

diff --git a/sound/soc/sof/ipc3-pcm.c b/sound/soc/sof/ipc3-pcm.c
new file mode 100644
index 000000000000..dad57bef38f6
--- /dev/null
+++ b/sound/soc/sof/ipc3-pcm.c
@@ -0,0 +1,382 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+//
+// This file is provided under a dual BSD/GPLv2 license.  When using or
+// redistributing this file, you may do so under either license.
+//
+// Copyright(c) 2021 Intel Corporation. All rights reserved.
+//
+//
+
+#include <sound/pcm_params.h>
+#include "ipc3-priv.h"
+#include "ops.h"
+#include "sof-priv.h"
+#include "sof-audio.h"
+
+static int sof_ipc3_pcm_hw_free(struct snd_soc_component *component,
+				struct snd_pcm_substream *substream)
+{
+	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct sof_ipc_stream stream;
+	struct sof_ipc_reply reply;
+	struct snd_sof_pcm *spcm;
+
+	spcm = snd_sof_find_spcm_dai(component, rtd);
+	if (!spcm)
+		return -EINVAL;
+
+	if (!spcm->prepared[substream->stream])
+		return 0;
+
+	stream.hdr.size = sizeof(stream);
+	stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_FREE;
+	stream.comp_id = spcm->stream[substream->stream].comp_id;
+
+	/* send IPC to the DSP */
+	return sof_ipc_tx_message(sdev->ipc, &stream, sizeof(stream), &reply, sizeof(reply));
+}
+
+static int sof_ipc3_pcm_hw_params(struct snd_soc_component *component,
+				  struct snd_pcm_substream *substream,
+				  struct snd_pcm_hw_params *params,
+				  struct snd_sof_platform_stream_params *platform_params)
+{
+	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct sof_ipc_fw_version *v = &sdev->fw_ready.version;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct sof_ipc_pcm_params_reply ipc_params_reply;
+	struct sof_ipc_pcm_params pcm;
+	struct snd_sof_pcm *spcm;
+	int ret;
+
+	spcm = snd_sof_find_spcm_dai(component, rtd);
+	if (!spcm)
+		return -EINVAL;
+
+	memset(&pcm, 0, sizeof(pcm));
+
+	/* number of pages should be rounded up */
+	pcm.params.buffer.pages = PFN_UP(runtime->dma_bytes);
+
+	/* set IPC PCM parameters */
+	pcm.hdr.size = sizeof(pcm);
+	pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS;
+	pcm.comp_id = spcm->stream[substream->stream].comp_id;
+	pcm.params.hdr.size = sizeof(pcm.params);
+	pcm.params.buffer.phy_addr = spcm->stream[substream->stream].page_table.addr;
+	pcm.params.buffer.size = runtime->dma_bytes;
+	pcm.params.direction = substream->stream;
+	pcm.params.sample_valid_bytes = params_width(params) >> 3;
+	pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;
+	pcm.params.rate = params_rate(params);
+	pcm.params.channels = params_channels(params);
+	pcm.params.host_period_bytes = params_period_bytes(params);
+
+	/* container size */
+	ret = snd_pcm_format_physical_width(params_format(params));
+	if (ret < 0)
+		return ret;
+	pcm.params.sample_container_bytes = ret >> 3;
+
+	/* format */
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_S16:
+		pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE;
+		break;
+	case SNDRV_PCM_FORMAT_S24:
+		pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE;
+		break;
+	case SNDRV_PCM_FORMAT_S32:
+		pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE;
+		break;
+	case SNDRV_PCM_FORMAT_FLOAT:
+		pcm.params.frame_fmt = SOF_IPC_FRAME_FLOAT;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* Update the IPC message with information from the platform */
+	pcm.params.stream_tag = platform_params->stream_tag;
+
+	if (platform_params->use_phy_address)
+		pcm.params.buffer.phy_addr = platform_params->phy_addr;
+
+	if (platform_params->no_ipc_position) {
+		/* For older ABIs set host_period_bytes to zero to inform
+		 * FW we don't want position updates. Newer versions use
+		 * no_stream_position for this purpose.
+		 */
+		if (v->abi_version < SOF_ABI_VER(3, 10, 0))
+			pcm.params.host_period_bytes = 0;
+		else
+			pcm.params.no_stream_position = 1;
+	}
+
+	if (platform_params->cont_update_posn)
+		pcm.params.cont_update_posn = 1;
+
+	dev_dbg(component->dev, "stream_tag %d", pcm.params.stream_tag);
+
+	/* send hw_params IPC to the DSP */
+	ret = sof_ipc_tx_message(sdev->ipc, &pcm, sizeof(pcm),
+				 &ipc_params_reply, sizeof(ipc_params_reply));
+	if (ret < 0) {
+		dev_err(component->dev, "HW params ipc failed for stream %d\n",
+			pcm.params.stream_tag);
+		return ret;
+	}
+
+	ret = snd_sof_set_stream_data_offset(sdev, substream, ipc_params_reply.posn_offset);
+	if (ret < 0) {
+		dev_err(component->dev, "%s: invalid stream data offset for PCM %d\n",
+			__func__, spcm->pcm.pcm_id);
+		return ret;
+	}
+
+	return ret;
+}
+
+static int sof_ipc3_pcm_trigger(struct snd_soc_component *component,
+				struct snd_pcm_substream *substream, int cmd)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
+	struct sof_ipc_stream stream;
+	struct sof_ipc_reply reply;
+	struct snd_sof_pcm *spcm;
+
+	spcm = snd_sof_find_spcm_dai(component, rtd);
+	if (!spcm)
+		return -EINVAL;
+
+	stream.hdr.size = sizeof(stream);
+	stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG;
+	stream.comp_id = spcm->stream[substream->stream].comp_id;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_PAUSE;
+		break;
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_RELEASE;
+		break;
+	case SNDRV_PCM_TRIGGER_START:
+		stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_START;
+		break;
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+		fallthrough;
+	case SNDRV_PCM_TRIGGER_STOP:
+		stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_STOP;
+		break;
+	default:
+		dev_err(component->dev, "Unhandled trigger cmd %d\n", cmd);
+		return -EINVAL;
+	}
+
+	/* send IPC to the DSP */
+	return sof_ipc_tx_message(sdev->ipc, &stream, sizeof(stream), &reply, sizeof(reply));
+}
+
+static void ssp_dai_config_pcm_params_match(struct snd_sof_dev *sdev, const char *link_name,
+					    struct snd_pcm_hw_params *params)
+{
+	struct sof_ipc_dai_config *config;
+	struct snd_sof_dai *dai;
+	int i;
+
+	/*
+	 * Search for all matching DAIs as we can have both playback and capture DAI
+	 * associated with the same link.
+	 */
+	list_for_each_entry(dai, &sdev->dai_list, list) {
+		if (!dai->name || strcmp(link_name, dai->name))
+			continue;
+		for (i = 0; i < dai->number_configs; i++) {
+			struct sof_dai_private_data *private = dai->private;
+
+			config = &private->dai_config[i];
+			if (config->ssp.fsync_rate == params_rate(params)) {
+				dev_dbg(sdev->dev, "DAI config %d matches pcm hw params\n", i);
+				dai->current_config = i;
+				break;
+			}
+		}
+	}
+}
+
+static int sof_ipc3_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
+				       struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME);
+	struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+	struct snd_sof_dai *dai = snd_sof_find_dai(component, (char *)rtd->dai_link->name);
+	struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
+	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
+	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
+	struct sof_dai_private_data *private;
+	struct snd_soc_dpcm *dpcm;
+
+	if (!dai) {
+		dev_err(component->dev, "%s: No DAI found with name %s\n", __func__,
+			rtd->dai_link->name);
+		return -EINVAL;
+	}
+
+	private = dai->private;
+	if (!private) {
+		dev_err(component->dev, "%s: No private data found for DAI %s\n", __func__,
+			rtd->dai_link->name);
+		return -EINVAL;
+	}
+
+	/* read format from topology */
+	snd_mask_none(fmt);
+
+	switch (private->comp_dai->config.frame_fmt) {
+	case SOF_IPC_FRAME_S16_LE:
+		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
+		break;
+	case SOF_IPC_FRAME_S24_4LE:
+		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
+		break;
+	case SOF_IPC_FRAME_S32_LE:
+		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S32_LE);
+		break;
+	default:
+		dev_err(component->dev, "No available DAI format!\n");
+		return -EINVAL;
+	}
+
+	/* read rate and channels from topology */
+	switch (private->dai_config->type) {
+	case SOF_DAI_INTEL_SSP:
+		/* search for config to pcm params match, if not found use default */
+		ssp_dai_config_pcm_params_match(sdev, (char *)rtd->dai_link->name, params);
+
+		rate->min = private->dai_config[dai->current_config].ssp.fsync_rate;
+		rate->max = private->dai_config[dai->current_config].ssp.fsync_rate;
+		channels->min = private->dai_config[dai->current_config].ssp.tdm_slots;
+		channels->max = private->dai_config[dai->current_config].ssp.tdm_slots;
+
+		dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
+		dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
+			channels->min, channels->max);
+
+		break;
+	case SOF_DAI_INTEL_DMIC:
+		/* DMIC only supports 16 or 32 bit formats */
+		if (private->comp_dai->config.frame_fmt == SOF_IPC_FRAME_S24_4LE) {
+			dev_err(component->dev, "Invalid fmt %d for DAI type %d\n",
+				private->comp_dai->config.frame_fmt,
+				private->dai_config->type);
+		}
+		break;
+	case SOF_DAI_INTEL_HDA:
+		/*
+		 * HDAudio does not follow the default trigger
+		 * sequence due to firmware implementation
+		 */
+		for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) {
+			struct snd_soc_pcm_runtime *fe = dpcm->fe;
+
+			fe->dai_link->trigger[SNDRV_PCM_STREAM_PLAYBACK] =
+				SND_SOC_DPCM_TRIGGER_POST;
+		}
+		break;
+	case SOF_DAI_INTEL_ALH:
+		/*
+		 * Dai could run with different channel count compared with
+		 * front end, so get dai channel count from topology
+		 */
+		channels->min = private->dai_config->alh.channels;
+		channels->max = private->dai_config->alh.channels;
+		break;
+	case SOF_DAI_IMX_ESAI:
+		rate->min = private->dai_config->esai.fsync_rate;
+		rate->max = private->dai_config->esai.fsync_rate;
+		channels->min = private->dai_config->esai.tdm_slots;
+		channels->max = private->dai_config->esai.tdm_slots;
+
+		dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
+		dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
+			channels->min, channels->max);
+		break;
+	case SOF_DAI_MEDIATEK_AFE:
+		rate->min = private->dai_config->afe.rate;
+		rate->max = private->dai_config->afe.rate;
+		channels->min = private->dai_config->afe.channels;
+		channels->max = private->dai_config->afe.channels;
+
+		dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
+		dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
+			channels->min, channels->max);
+		break;
+	case SOF_DAI_IMX_SAI:
+		rate->min = private->dai_config->sai.fsync_rate;
+		rate->max = private->dai_config->sai.fsync_rate;
+		channels->min = private->dai_config->sai.tdm_slots;
+		channels->max = private->dai_config->sai.tdm_slots;
+
+		dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max);
+		dev_dbg(component->dev, "channels_min: %d channels_max: %d\n",
+			channels->min, channels->max);
+		break;
+	case SOF_DAI_AMD_BT:
+		rate->min = private->dai_config->acpbt.fsync_rate;
+		rate->max = private->dai_config->acpbt.fsync_rate;
+		channels->min = private->dai_config->acpbt.tdm_slots;
+		channels->max = private->dai_config->acpbt.tdm_slots;
+
+		dev_dbg(component->dev,
+			"AMD_BT rate_min: %d rate_max: %d\n", rate->min, rate->max);
+		dev_dbg(component->dev, "AMD_BT channels_min: %d channels_max: %d\n",
+			channels->min, channels->max);
+		break;
+	case SOF_DAI_AMD_SP:
+		rate->min = private->dai_config->acpsp.fsync_rate;
+		rate->max = private->dai_config->acpsp.fsync_rate;
+		channels->min = private->dai_config->acpsp.tdm_slots;
+		channels->max = private->dai_config->acpsp.tdm_slots;
+
+		dev_dbg(component->dev,
+			"AMD_SP rate_min: %d rate_max: %d\n", rate->min, rate->max);
+		dev_dbg(component->dev, "AMD_SP channels_min: %d channels_max: %d\n",
+			channels->min, channels->max);
+		break;
+	case SOF_DAI_AMD_HS:
+		rate->min = private->dai_config->acphs.fsync_rate;
+		rate->max = private->dai_config->acphs.fsync_rate;
+		channels->min = private->dai_config->acphs.tdm_slots;
+		channels->max = private->dai_config->acphs.tdm_slots;
+
+		dev_dbg(component->dev,
+			"AMD_HS channel_max: %d rate_max: %d\n", channels->max, rate->max);
+		break;
+	case SOF_DAI_AMD_DMIC:
+		rate->min = private->dai_config->acpdmic.pdm_rate;
+		rate->max = private->dai_config->acpdmic.pdm_rate;
+		channels->min = private->dai_config->acpdmic.pdm_ch;
+		channels->max = private->dai_config->acpdmic.pdm_ch;
+
+		dev_dbg(component->dev,
+			"AMD_DMIC rate_min: %d rate_max: %d\n", rate->min, rate->max);
+		dev_dbg(component->dev, "AMD_DMIC channels_min: %d channels_max: %d\n",
+			channels->min, channels->max);
+		break;
+	default:
+		dev_err(component->dev, "Invalid DAI type %d\n", private->dai_config->type);
+		break;
+	}
+
+	return 0;
+}
+
+const struct sof_ipc_pcm_ops ipc3_pcm_ops = {
+	.hw_params = sof_ipc3_pcm_hw_params,
+	.hw_free = sof_ipc3_pcm_hw_free,
+	.trigger = sof_ipc3_pcm_trigger,
+	.dai_link_fixup = sof_ipc3_pcm_dai_link_fixup,
+};