[mirror_ubuntu-jammy-kernel.git] / sound / soc / sof / intel / hda-dai.c

// 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) 2018 Intel Corporation. All rights reserved.
//
// Authors: Keyon Jie <yang.jie@linux.intel.com>
//

#include <sound/pcm_params.h>
#include <sound/hdaudio_ext.h>
#include "../sof-priv.h"
#include "../sof-audio.h"
#include "hda.h"

#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)

struct hda_pipe_params {
	u8 host_dma_id;
	u8 link_dma_id;
	u32 ch;
	u32 s_freq;
	u32 s_fmt;
	u8 linktype;
	snd_pcm_format_t format;
	int link_index;
	int stream;
	unsigned int host_bps;
	unsigned int link_bps;
};

/*
 * This function checks if the host dma channel corresponding
 * to the link DMA stream_tag argument is assigned to one
 * of the FEs connected to the BE DAI.
 */
static bool hda_check_fes(struct snd_soc_pcm_runtime *rtd,
			  int dir, int stream_tag)
{
	struct snd_pcm_substream *fe_substream;
	struct hdac_stream *fe_hstream;
	struct snd_soc_dpcm *dpcm;

	for_each_dpcm_fe(rtd, dir, dpcm) {
		fe_substream = snd_soc_dpcm_get_substream(dpcm->fe, dir);
		fe_hstream = fe_substream->runtime->private_data;
		if (fe_hstream->stream_tag == stream_tag)
			return true;
	}

	return false;
}

static struct hdac_ext_stream *
	hda_link_stream_assign(struct hdac_bus *bus,
			       struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
	struct sof_intel_hda_stream *hda_stream;
	struct hdac_ext_stream *res = NULL;
	struct hdac_stream *stream = NULL;

	int stream_dir = substream->stream;

	if (!bus->ppcap) {
		dev_err(bus->dev, "stream type not supported\n");
		return NULL;
	}

	list_for_each_entry(stream, &bus->stream_list, list) {
		struct hdac_ext_stream *hstream =
			stream_to_hdac_ext_stream(stream);
		if (stream->direction != substream->stream)
			continue;

		hda_stream = hstream_to_sof_hda_stream(hstream);

		/* check if link is available */
		if (!hstream->link_locked) {
			if (stream->opened) {
				/*
				 * check if the stream tag matches the stream
				 * tag of one of the connected FEs
				 */
				if (hda_check_fes(rtd, stream_dir,
						  stream->stream_tag)) {
					res = hstream;
					break;
				}
			} else {
				res = hstream;

				/*
				 * This must be a hostless stream.
				 * So reserve the host DMA channel.
				 */
				hda_stream->host_reserved = 1;
				break;
			}
		}
	}

	if (res) {
		/*
		 * Decouple host and link DMA. The decoupled flag
		 * is updated in snd_hdac_ext_stream_decouple().
		 */
		if (!res->decoupled)
			snd_hdac_ext_stream_decouple(bus, res, true);
		spin_lock_irq(&bus->reg_lock);
		res->link_locked = 1;
		res->link_substream = substream;
		spin_unlock_irq(&bus->reg_lock);
	}

	return res;
}

static int hda_link_dma_params(struct hdac_ext_stream *stream,
			       struct hda_pipe_params *params)
{
	struct hdac_stream *hstream = &stream->hstream;
	unsigned char stream_tag = hstream->stream_tag;
	struct hdac_bus *bus = hstream->bus;
	struct hdac_ext_link *link;
	unsigned int format_val;

	snd_hdac_ext_stream_decouple(bus, stream, true);
	snd_hdac_ext_link_stream_reset(stream);

	format_val = snd_hdac_calc_stream_format(params->s_freq, params->ch,
						 params->format,
						 params->link_bps, 0);

	dev_dbg(bus->dev, "format_val=%d, rate=%d, ch=%d, format=%d\n",
		format_val, params->s_freq, params->ch, params->format);

	snd_hdac_ext_link_stream_setup(stream, format_val);

	if (stream->hstream.direction == SNDRV_PCM_STREAM_PLAYBACK) {
		list_for_each_entry(link, &bus->hlink_list, list) {
			if (link->index == params->link_index)
				snd_hdac_ext_link_set_stream_id(link,
								stream_tag);
		}
	}

	stream->link_prepared = 1;

	return 0;
}

/* Send DAI_CONFIG IPC to the DAI that matches the dai_name and direction */
static int hda_link_config_ipc(struct sof_intel_hda_stream *hda_stream,
			       const char *dai_name, int channel, int dir)
{
	struct sof_ipc_dai_config *config;
	struct snd_sof_dai *sof_dai;
	struct sof_ipc_reply reply;
	int ret = 0;

	list_for_each_entry(sof_dai, &hda_stream->sdev->dai_list, list) {
		if (!sof_dai->cpu_dai_name)
			continue;

		if (!strcmp(dai_name, sof_dai->cpu_dai_name) &&
		    dir == sof_dai->comp_dai.direction) {
			config = sof_dai->dai_config;

			if (!config) {
				dev_err(hda_stream->sdev->dev,
					"error: no config for DAI %s\n",
					sof_dai->name);
				return -EINVAL;
			}

			/* update config with stream tag */
			config->hda.link_dma_ch = channel;

			/* send IPC */
			ret = sof_ipc_tx_message(hda_stream->sdev->ipc,
						 config->hdr.cmd,
						 config,
						 config->hdr.size,
						 &reply, sizeof(reply));

			if (ret < 0)
				dev_err(hda_stream->sdev->dev,
					"error: failed to set dai config for %s\n",
					sof_dai->name);
			return ret;
		}
	}

	return -EINVAL;
}

static int hda_link_hw_params(struct snd_pcm_substream *substream,
			      struct snd_pcm_hw_params *params,
			      struct snd_soc_dai *dai)
{
	struct hdac_stream *hstream = substream->runtime->private_data;
	struct hdac_bus *bus = hstream->bus;
	struct hdac_ext_stream *link_dev;
	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
	struct sof_intel_hda_stream *hda_stream;
	struct hda_pipe_params p_params = {0};
	struct hdac_ext_link *link;
	int stream_tag;
	int ret;

	/* get stored dma data if resuming from system suspend */
	link_dev = snd_soc_dai_get_dma_data(dai, substream);
	if (!link_dev) {
		link_dev = hda_link_stream_assign(bus, substream);
		if (!link_dev)
			return -EBUSY;

		snd_soc_dai_set_dma_data(dai, substream, (void *)link_dev);
	}

	stream_tag = hdac_stream(link_dev)->stream_tag;

	hda_stream = hstream_to_sof_hda_stream(link_dev);

	/* update the DSP with the new tag */
	ret = hda_link_config_ipc(hda_stream, dai->name, stream_tag - 1,
				  substream->stream);
	if (ret < 0)
		return ret;

	link = snd_hdac_ext_bus_get_link(bus, codec_dai->component->name);
	if (!link)
		return -EINVAL;

	/* set the stream tag in the codec dai dma params */
	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		snd_soc_dai_set_tdm_slot(codec_dai, stream_tag, 0, 0, 0);
	else
		snd_soc_dai_set_tdm_slot(codec_dai, 0, stream_tag, 0, 0);

	p_params.s_fmt = snd_pcm_format_width(params_format(params));
	p_params.ch = params_channels(params);
	p_params.s_freq = params_rate(params);
	p_params.stream = substream->stream;
	p_params.link_dma_id = stream_tag - 1;
	p_params.link_index = link->index;
	p_params.format = params_format(params);

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		p_params.link_bps = codec_dai->driver->playback.sig_bits;
	else
		p_params.link_bps = codec_dai->driver->capture.sig_bits;

	return hda_link_dma_params(link_dev, &p_params);
}

static int hda_link_pcm_prepare(struct snd_pcm_substream *substream,
				struct snd_soc_dai *dai)
{
	struct hdac_ext_stream *link_dev =
				snd_soc_dai_get_dma_data(dai, substream);
	struct snd_sof_dev *sdev =
				snd_soc_component_get_drvdata(dai->component);
	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
	int stream = substream->stream;

	if (link_dev->link_prepared)
		return 0;

	dev_dbg(sdev->dev, "hda: prepare stream dir %d\n", substream->stream);

	return hda_link_hw_params(substream, &rtd->dpcm[stream].hw_params,
				  dai);
}

static int hda_link_pcm_trigger(struct snd_pcm_substream *substream,
				int cmd, struct snd_soc_dai *dai)
{
	struct hdac_ext_stream *link_dev =
				snd_soc_dai_get_dma_data(dai, substream);
	struct sof_intel_hda_stream *hda_stream;
	struct snd_soc_pcm_runtime *rtd;
	struct hdac_ext_link *link;
	struct hdac_stream *hstream;
	struct hdac_bus *bus;
	int stream_tag;
	int ret;

	hstream = substream->runtime->private_data;
	bus = hstream->bus;
	rtd = asoc_substream_to_rtd(substream);

	link = snd_hdac_ext_bus_get_link(bus, asoc_rtd_to_codec(rtd, 0)->component->name);
	if (!link)
		return -EINVAL;

	hda_stream = hstream_to_sof_hda_stream(link_dev);

	dev_dbg(dai->dev, "In %s cmd=%d\n", __func__, cmd);
	switch (cmd) {
	case SNDRV_PCM_TRIGGER_RESUME:
		/* set up hw_params */
		ret = hda_link_pcm_prepare(substream, dai);
		if (ret < 0) {
			dev_err(dai->dev,
				"error: setting up hw_params during resume\n");
			return ret;
		}

		fallthrough;
	case SNDRV_PCM_TRIGGER_START:
	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
		snd_hdac_ext_link_stream_start(link_dev);
		break;
	case SNDRV_PCM_TRIGGER_SUSPEND:
	case SNDRV_PCM_TRIGGER_STOP:
		/*
		 * clear link DMA channel. It will be assigned when
		 * hw_params is set up again after resume.
		 */
		ret = hda_link_config_ipc(hda_stream, dai->name,
					  DMA_CHAN_INVALID, substream->stream);
		if (ret < 0)
			return ret;

		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
			stream_tag = hdac_stream(link_dev)->stream_tag;
			snd_hdac_ext_link_clear_stream_id(link, stream_tag);
		}

		link_dev->link_prepared = 0;

		fallthrough;
	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
		snd_hdac_ext_link_stream_clear(link_dev);
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static int hda_link_hw_free(struct snd_pcm_substream *substream,
			    struct snd_soc_dai *dai)
{
	unsigned int stream_tag;
	struct sof_intel_hda_stream *hda_stream;
	struct hdac_bus *bus;
	struct hdac_ext_link *link;
	struct hdac_stream *hstream;
	struct snd_soc_pcm_runtime *rtd;
	struct hdac_ext_stream *link_dev;
	int ret;

	hstream = substream->runtime->private_data;
	bus = hstream->bus;
	rtd = asoc_substream_to_rtd(substream);
	link_dev = snd_soc_dai_get_dma_data(dai, substream);

	if (!link_dev) {
		dev_dbg(dai->dev,
			"%s: link_dev is not assigned\n", __func__);
		return -EINVAL;
	}

	hda_stream = hstream_to_sof_hda_stream(link_dev);

	/* free the link DMA channel in the FW */
	ret = hda_link_config_ipc(hda_stream, dai->name, DMA_CHAN_INVALID,
				  substream->stream);
	if (ret < 0)
		return ret;

	link = snd_hdac_ext_bus_get_link(bus, asoc_rtd_to_codec(rtd, 0)->component->name);
	if (!link)
		return -EINVAL;

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
		stream_tag = hdac_stream(link_dev)->stream_tag;
		snd_hdac_ext_link_clear_stream_id(link, stream_tag);
	}

	snd_soc_dai_set_dma_data(dai, substream, NULL);
	snd_hdac_ext_stream_release(link_dev, HDAC_EXT_STREAM_TYPE_LINK);
	link_dev->link_prepared = 0;

	/* free the host DMA channel reserved by hostless streams */
	hda_stream->host_reserved = 0;

	return 0;
}

static const struct snd_soc_dai_ops hda_link_dai_ops = {
	.hw_params = hda_link_hw_params,
	.hw_free = hda_link_hw_free,
	.trigger = hda_link_pcm_trigger,
	.prepare = hda_link_pcm_prepare,
};

#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_PROBES)
#include "../compress.h"

static struct snd_soc_cdai_ops sof_probe_compr_ops = {
	.startup	= sof_probe_compr_open,
	.shutdown	= sof_probe_compr_free,
	.set_params	= sof_probe_compr_set_params,
	.trigger	= sof_probe_compr_trigger,
	.pointer	= sof_probe_compr_pointer,
};

#endif
#endif

/*
 * common dai driver for skl+ platforms.
 * some products who use this DAI array only physically have a subset of
 * the DAIs, but no harm is done here by adding the whole set.
 */
struct snd_soc_dai_driver skl_dai[] = {
{
	.name = "SSP0 Pin",
	.playback = {
		.channels_min = 1,
		.channels_max = 8,
	},
	.capture = {
		.channels_min = 1,
		.channels_max = 8,
	},
},
{
	.name = "SSP1 Pin",
	.playback = {
		.channels_min = 1,
		.channels_max = 8,
	},
	.capture = {
		.channels_min = 1,
		.channels_max = 8,
	},
},
{
	.name = "SSP2 Pin",
	.playback = {
		.channels_min = 1,
		.channels_max = 8,
	},
	.capture = {
		.channels_min = 1,
		.channels_max = 8,
	},
},
{
	.name = "SSP3 Pin",
	.playback = {
		.channels_min = 1,
		.channels_max = 8,
	},
	.capture = {
		.channels_min = 1,
		.channels_max = 8,
	},
},
{
	.name = "SSP4 Pin",
	.playback = {
		.channels_min = 1,
		.channels_max = 8,
	},
	.capture = {
		.channels_min = 1,
		.channels_max = 8,
	},
},
{
	.name = "SSP5 Pin",
	.playback = {
		.channels_min = 1,
		.channels_max = 8,
	},
	.capture = {
		.channels_min = 1,
		.channels_max = 8,
	},
},
{
	.name = "DMIC01 Pin",
	.capture = {
		.channels_min = 1,
		.channels_max = 4,
	},
},
{
	.name = "DMIC16k Pin",
	.capture = {
		.channels_min = 1,
		.channels_max = 4,
	},
},
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
{
	.name = "iDisp1 Pin",
	.ops = &hda_link_dai_ops,
	.playback = {
		.channels_min = 1,
		.channels_max = 8,
	},
},
{
	.name = "iDisp2 Pin",
	.ops = &hda_link_dai_ops,
	.playback = {
		.channels_min = 1,
		.channels_max = 8,
	},
},
{
	.name = "iDisp3 Pin",
	.ops = &hda_link_dai_ops,
	.playback = {
		.channels_min = 1,
		.channels_max = 8,
	},
},
{
	.name = "iDisp4 Pin",
	.ops = &hda_link_dai_ops,
	.playback = {
		.channels_min = 1,
		.channels_max = 8,
	},
},
{
	.name = "Analog CPU DAI",
	.ops = &hda_link_dai_ops,
	.playback = {
		.channels_min = 1,
		.channels_max = 16,
	},
	.capture = {
		.channels_min = 1,
		.channels_max = 16,
	},
},
{
	.name = "Digital CPU DAI",
	.ops = &hda_link_dai_ops,
	.playback = {
		.channels_min = 1,
		.channels_max = 16,
	},
	.capture = {
		.channels_min = 1,
		.channels_max = 16,
	},
},
{
	.name = "Alt Analog CPU DAI",
	.ops = &hda_link_dai_ops,
	.playback = {
		.channels_min = 1,
		.channels_max = 16,
	},
	.capture = {
		.channels_min = 1,
		.channels_max = 16,
	},
},
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_PROBES)
{
	.name = "Probe Extraction CPU DAI",
	.compress_new = snd_soc_new_compress,
	.cops = &sof_probe_compr_ops,
	.capture = {
		.stream_name = "Probe Extraction",
		.channels_min = 1,
		.channels_max = 8,
		.rates = SNDRV_PCM_RATE_48000,
		.rate_min = 48000,
		.rate_max = 48000,
	},
},
#endif
#endif
};
Commit	Line	Data
e149ca29	1	// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
fdd961e3 KJ	2	//
	3	// This file is provided under a dual BSD/GPLv2 license. When using or
	4	// redistributing this file, you may do so under either license.
	5	//
	6	// Copyright(c) 2018 Intel Corporation. All rights reserved.
	7	//
	8	// Authors: Keyon Jie <yang.jie@linux.intel.com>
	9	//
	10
	11	#include <sound/pcm_params.h>
	12	#include <sound/hdaudio_ext.h>
	13	#include "../sof-priv.h"
ee1e79b7	14	#include "../sof-audio.h"
fdd961e3 KJ	15	#include "hda.h"
	16
	17	#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
	18
	19	struct hda_pipe_params {
	20	u8 host_dma_id;
	21	u8 link_dma_id;
	22	u32 ch;
	23	u32 s_freq;
	24	u32 s_fmt;
	25	u8 linktype;
	26	snd_pcm_format_t format;
	27	int link_index;
	28	int stream;
	29	unsigned int host_bps;
	30	unsigned int link_bps;
	31	};
	32
	33	/*
bdf4ad3f RS	34	* This function checks if the host dma channel corresponding
	35	* to the link DMA stream_tag argument is assigned to one
	36	* of the FEs connected to the BE DAI.
fdd961e3	37	*/
bdf4ad3f RS	38	static bool hda_check_fes(struct snd_soc_pcm_runtime *rtd,
bdf4ad3f RS	39	int dir, int stream_tag)
fdd961e3	40	{
bdf4ad3f RS	41	struct snd_pcm_substream *fe_substream;
	42	struct hdac_stream *fe_hstream;
	43	struct snd_soc_dpcm *dpcm;
	44
	45	for_each_dpcm_fe(rtd, dir, dpcm) {
	46	fe_substream = snd_soc_dpcm_get_substream(dpcm->fe, dir);
	47	fe_hstream = fe_substream->runtime->private_data;
	48	if (fe_hstream->stream_tag == stream_tag)
	49	return true;
	50	}
fdd961e3	51
bdf4ad3f RS	52	return false;
	53	}
	54
	55	static struct hdac_ext_stream *
	56	hda_link_stream_assign(struct hdac_bus *bus,
	57	struct snd_pcm_substream *substream)
	58	{
1205300a	59	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
bdf4ad3f RS	60	struct sof_intel_hda_stream *hda_stream;
	61	struct hdac_ext_stream *res = NULL;
	62	struct hdac_stream *stream = NULL;
fdd961e3	63
bdf4ad3f RS	64	int stream_dir = substream->stream;
	65
	66	if (!bus->ppcap) {
	67	dev_err(bus->dev, "stream type not supported\n");
	68	return NULL;
fdd961e3 KJ	69	}
fdd961e3 KJ	70
bdf4ad3f RS	71	list_for_each_entry(stream, &bus->stream_list, list) {
	72	struct hdac_ext_stream *hstream =
	73	stream_to_hdac_ext_stream(stream);
	74	if (stream->direction != substream->stream)
	75	continue;
	76
	77	hda_stream = hstream_to_sof_hda_stream(hstream);
	78
6b2239e3	79	/* check if link is available */
bdf4ad3f RS	80	if (!hstream->link_locked) {
	81	if (stream->opened) {
	82	/*
	83	* check if the stream tag matches the stream
	84	* tag of one of the connected FEs
	85	*/
	86	if (hda_check_fes(rtd, stream_dir,
	87	stream->stream_tag)) {
	88	res = hstream;
	89	break;
	90	}
	91	} else {
	92	res = hstream;
6b2239e3 RS	93
	94	/*
	95	* This must be a hostless stream.
	96	* So reserve the host DMA channel.
	97	*/
	98	hda_stream->host_reserved = 1;
bdf4ad3f RS	99	break;
bdf4ad3f RS	100	}
fdd961e3	101	}
bdf4ad3f	102	}
fdd961e3	103
bdf4ad3f RS	104	if (res) {
	105	/*
	106	* Decouple host and link DMA. The decoupled flag
	107	* is updated in snd_hdac_ext_stream_decouple().
	108	*/
	109	if (!res->decoupled)
	110	snd_hdac_ext_stream_decouple(bus, res, true);
	111	spin_lock_irq(&bus->reg_lock);
	112	res->link_locked = 1;
	113	res->link_substream = substream;
	114	spin_unlock_irq(&bus->reg_lock);
fdd961e3 KJ	115	}
fdd961e3 KJ	116
bdf4ad3f	117	return res;
fdd961e3 KJ	118	}
	119
	120	static int hda_link_dma_params(struct hdac_ext_stream *stream,
	121	struct hda_pipe_params *params)
	122	{
	123	struct hdac_stream *hstream = &stream->hstream;
	124	unsigned char stream_tag = hstream->stream_tag;
	125	struct hdac_bus *bus = hstream->bus;
	126	struct hdac_ext_link *link;
	127	unsigned int format_val;
	128
	129	snd_hdac_ext_stream_decouple(bus, stream, true);
	130	snd_hdac_ext_link_stream_reset(stream);
	131
	132	format_val = snd_hdac_calc_stream_format(params->s_freq, params->ch,
	133	params->format,
	134	params->link_bps, 0);
	135
	136	dev_dbg(bus->dev, "format_val=%d, rate=%d, ch=%d, format=%d\n",
	137	format_val, params->s_freq, params->ch, params->format);
	138
	139	snd_hdac_ext_link_stream_setup(stream, format_val);
	140
	141	if (stream->hstream.direction == SNDRV_PCM_STREAM_PLAYBACK) {
	142	list_for_each_entry(link, &bus->hlink_list, list) {
	143	if (link->index == params->link_index)
	144	snd_hdac_ext_link_set_stream_id(link,
	145	stream_tag);
	146	}
	147	}
	148
	149	stream->link_prepared = 1;
	150
	151	return 0;
	152	}
	153
bdf4ad3f RS	154	/* Send DAI_CONFIG IPC to the DAI that matches the dai_name and direction */
	155	static int hda_link_config_ipc(struct sof_intel_hda_stream *hda_stream,
	156	const char *dai_name, int channel, int dir)
	157	{
	158	struct sof_ipc_dai_config *config;
	159	struct snd_sof_dai *sof_dai;
	160	struct sof_ipc_reply reply;
	161	int ret = 0;
	162
	163	list_for_each_entry(sof_dai, &hda_stream->sdev->dai_list, list) {
	164	if (!sof_dai->cpu_dai_name)
	165	continue;
	166
	167	if (!strcmp(dai_name, sof_dai->cpu_dai_name) &&
	168	dir == sof_dai->comp_dai.direction) {
	169	config = sof_dai->dai_config;
	170
	171	if (!config) {
	172	dev_err(hda_stream->sdev->dev,
	173	"error: no config for DAI %s\n",
	174	sof_dai->name);
	175	return -EINVAL;
	176	}
	177
	178	/* update config with stream tag */
	179	config->hda.link_dma_ch = channel;
	180
	181	/* send IPC */
	182	ret = sof_ipc_tx_message(hda_stream->sdev->ipc,
	183	config->hdr.cmd,
	184	config,
	185	config->hdr.size,
	186	&reply, sizeof(reply));
	187
	188	if (ret < 0)
	189	dev_err(hda_stream->sdev->dev,
	190	"error: failed to set dai config for %s\n",
	191	sof_dai->name);
	192	return ret;
	193	}
	194	}
	195
	196	return -EINVAL;
	197	}
	198
fdd961e3 KJ	199	static int hda_link_hw_params(struct snd_pcm_substream *substream,
	200	struct snd_pcm_hw_params *params,
	201	struct snd_soc_dai *dai)
	202	{
	203	struct hdac_stream *hstream = substream->runtime->private_data;
	204	struct hdac_bus *bus = hstream->bus;
	205	struct hdac_ext_stream *link_dev;
1205300a	206	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
be3e8de7	207	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
ed3baacd	208	struct sof_intel_hda_stream *hda_stream;
fdd961e3 KJ	209	struct hda_pipe_params p_params = {0};
	210	struct hdac_ext_link *link;
	211	int stream_tag;
bdf4ad3f	212	int ret;
fdd961e3	213
934bf822 RW	214	/* get stored dma data if resuming from system suspend */
	215	link_dev = snd_soc_dai_get_dma_data(dai, substream);
	216	if (!link_dev) {
	217	link_dev = hda_link_stream_assign(bus, substream);
	218	if (!link_dev)
	219	return -EBUSY;
921162c8 PLB	220
921162c8 PLB	221	snd_soc_dai_set_dma_data(dai, substream, (void *)link_dev);
934bf822	222	}
bdf4ad3f RS	223
	224	stream_tag = hdac_stream(link_dev)->stream_tag;
	225
	226	hda_stream = hstream_to_sof_hda_stream(link_dev);
	227
	228	/* update the DSP with the new tag */
	229	ret = hda_link_config_ipc(hda_stream, dai->name, stream_tag - 1,
	230	substream->stream);
	231	if (ret < 0)
	232	return ret;
	233
fdd961e3 KJ	234	link = snd_hdac_ext_bus_get_link(bus, codec_dai->component->name);
	235	if (!link)
	236	return -EINVAL;
	237
bdf4ad3f	238	/* set the stream tag in the codec dai dma params */
fdd961e3 KJ	239	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
	240	snd_soc_dai_set_tdm_slot(codec_dai, stream_tag, 0, 0, 0);
	241	else
	242	snd_soc_dai_set_tdm_slot(codec_dai, 0, stream_tag, 0, 0);
	243
	244	p_params.s_fmt = snd_pcm_format_width(params_format(params));
	245	p_params.ch = params_channels(params);
	246	p_params.s_freq = params_rate(params);
	247	p_params.stream = substream->stream;
	248	p_params.link_dma_id = stream_tag - 1;
	249	p_params.link_index = link->index;
	250	p_params.format = params_format(params);
	251
	252	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
	253	p_params.link_bps = codec_dai->driver->playback.sig_bits;
	254	else
	255	p_params.link_bps = codec_dai->driver->capture.sig_bits;
	256
	257	return hda_link_dma_params(link_dev, &p_params);
	258	}
	259
	260	static int hda_link_pcm_prepare(struct snd_pcm_substream *substream,
	261	struct snd_soc_dai *dai)
	262	{
ed3baacd RS	263	struct hdac_ext_stream *link_dev =
ed3baacd RS	264	snd_soc_dai_get_dma_data(dai, substream);
fdd961e3	265	struct snd_sof_dev *sdev =
ed3baacd	266	snd_soc_component_get_drvdata(dai->component);
1205300a	267	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
fdd961e3 KJ	268	int stream = substream->stream;
fdd961e3 KJ	269
a3ebccb5	270	if (link_dev->link_prepared)
fdd961e3 KJ	271	return 0;
fdd961e3 KJ	272
ed3baacd	273	dev_dbg(sdev->dev, "hda: prepare stream dir %d\n", substream->stream);
fdd961e3 KJ	274
	275	return hda_link_hw_params(substream, &rtd->dpcm[stream].hw_params,
	276	dai);
	277	}
	278
	279	static int hda_link_pcm_trigger(struct snd_pcm_substream *substream,
	280	int cmd, struct snd_soc_dai *dai)
	281	{
	282	struct hdac_ext_stream *link_dev =
	283	snd_soc_dai_get_dma_data(dai, substream);
bdf4ad3f RS	284	struct sof_intel_hda_stream *hda_stream;
	285	struct snd_soc_pcm_runtime *rtd;
	286	struct hdac_ext_link *link;
	287	struct hdac_stream *hstream;
	288	struct hdac_bus *bus;
	289	int stream_tag;
fdd961e3 KJ	290	int ret;
fdd961e3 KJ	291
bdf4ad3f RS	292	hstream = substream->runtime->private_data;
bdf4ad3f RS	293	bus = hstream->bus;
1205300a	294	rtd = asoc_substream_to_rtd(substream);
bdf4ad3f	295
be3e8de7	296	link = snd_hdac_ext_bus_get_link(bus, asoc_rtd_to_codec(rtd, 0)->component->name);
bdf4ad3f RS	297	if (!link)
	298	return -EINVAL;
	299
	300	hda_stream = hstream_to_sof_hda_stream(link_dev);
	301
fdd961e3 KJ	302	dev_dbg(dai->dev, "In %s cmd=%d\n", __func__, cmd);
	303	switch (cmd) {
	304	case SNDRV_PCM_TRIGGER_RESUME:
	305	/* set up hw_params */
	306	ret = hda_link_pcm_prepare(substream, dai);
	307	if (ret < 0) {
	308	dev_err(dai->dev,
	309	"error: setting up hw_params during resume\n");
	310	return ret;
	311	}
	312
df561f66	313	fallthrough;
fdd961e3 KJ	314	case SNDRV_PCM_TRIGGER_START:
	315	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
	316	snd_hdac_ext_link_stream_start(link_dev);
	317	break;
fdd961e3	318	case SNDRV_PCM_TRIGGER_SUSPEND:
a3ebccb5	319	case SNDRV_PCM_TRIGGER_STOP:
bdf4ad3f	320	/*
934bf822	321	* clear link DMA channel. It will be assigned when
bdf4ad3f RS	322	* hw_params is set up again after resume.
	323	*/
	324	ret = hda_link_config_ipc(hda_stream, dai->name,
	325	DMA_CHAN_INVALID, substream->stream);
	326	if (ret < 0)
	327	return ret;
810dbea3 RW	328
	329	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
	330	stream_tag = hdac_stream(link_dev)->stream_tag;
	331	snd_hdac_ext_link_clear_stream_id(link, stream_tag);
	332	}
	333
a3ebccb5	334	link_dev->link_prepared = 0;
bdf4ad3f	335
df561f66	336	fallthrough;
bdf4ad3f	337	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
fdd961e3 KJ	338	snd_hdac_ext_link_stream_clear(link_dev);
	339	break;
	340	default:
	341	return -EINVAL;
	342	}
	343	return 0;
	344	}
	345
fdd961e3 KJ	346	static int hda_link_hw_free(struct snd_pcm_substream *substream,
	347	struct snd_soc_dai *dai)
	348	{
fdd961e3	349	unsigned int stream_tag;
bdf4ad3f	350	struct sof_intel_hda_stream *hda_stream;
fdd961e3 KJ	351	struct hdac_bus *bus;
	352	struct hdac_ext_link *link;
	353	struct hdac_stream *hstream;
fdd961e3 KJ	354	struct snd_soc_pcm_runtime *rtd;
fdd961e3 KJ	355	struct hdac_ext_stream *link_dev;
bdf4ad3f	356	int ret;
fdd961e3	357
bdf4ad3f RS	358	hstream = substream->runtime->private_data;
bdf4ad3f RS	359	bus = hstream->bus;
1205300a	360	rtd = asoc_substream_to_rtd(substream);
bdf4ad3f	361	link_dev = snd_soc_dai_get_dma_data(dai, substream);
921162c8 PLB	362
	363	if (!link_dev) {
	364	dev_dbg(dai->dev,
	365	"%s: link_dev is not assigned\n", __func__);
	366	return -EINVAL;
	367	}
	368
bdf4ad3f	369	hda_stream = hstream_to_sof_hda_stream(link_dev);
fdd961e3	370
bdf4ad3f RS	371	/* free the link DMA channel in the FW */
	372	ret = hda_link_config_ipc(hda_stream, dai->name, DMA_CHAN_INVALID,
	373	substream->stream);
	374	if (ret < 0)
	375	return ret;
	376
be3e8de7	377	link = snd_hdac_ext_bus_get_link(bus, asoc_rtd_to_codec(rtd, 0)->component->name);
bdf4ad3f RS	378	if (!link)
	379	return -EINVAL;
	380
810dbea3 RW	381	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
	382	stream_tag = hdac_stream(link_dev)->stream_tag;
	383	snd_hdac_ext_link_clear_stream_id(link, stream_tag);
	384	}
	385
934bf822	386	snd_soc_dai_set_dma_data(dai, substream, NULL);
bdf4ad3f RS	387	snd_hdac_ext_stream_release(link_dev, HDAC_EXT_STREAM_TYPE_LINK);
bdf4ad3f RS	388	link_dev->link_prepared = 0;
fdd961e3	389
6b2239e3 RS	390	/* free the host DMA channel reserved by hostless streams */
	391	hda_stream->host_reserved = 0;
	392
fdd961e3 KJ	393	return 0;
	394	}
	395
	396	static const struct snd_soc_dai_ops hda_link_dai_ops = {
	397	.hw_params = hda_link_hw_params,
	398	.hw_free = hda_link_hw_free,
	399	.trigger = hda_link_pcm_trigger,
	400	.prepare = hda_link_pcm_prepare,
fdd961e3	401	};
70368106 CR	402
	403	#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_PROBES)
	404	#include "../compress.h"
	405
	406	static struct snd_soc_cdai_ops sof_probe_compr_ops = {
	407	.startup = sof_probe_compr_open,
	408	.shutdown = sof_probe_compr_free,
	409	.set_params = sof_probe_compr_set_params,
	410	.trigger = sof_probe_compr_trigger,
	411	.pointer = sof_probe_compr_pointer,
	412	};
	413
	414	#endif
fdd961e3 KJ	415	#endif
	416
	417	/*
	418	* common dai driver for skl+ platforms.
	419	* some products who use this DAI array only physically have a subset of
	420	* the DAIs, but no harm is done here by adding the whole set.
	421	*/
	422	struct snd_soc_dai_driver skl_dai[] = {
	423	{
	424	.name = "SSP0 Pin",
e81d47e9 BL	425	.playback = {
	426	.channels_min = 1,
	427	.channels_max = 8,
	428	},
	429	.capture = {
	430	.channels_min = 1,
	431	.channels_max = 8,
	432	},
fdd961e3 KJ	433	},
	434	{
	435	.name = "SSP1 Pin",
e81d47e9 BL	436	.playback = {
	437	.channels_min = 1,
	438	.channels_max = 8,
	439	},
	440	.capture = {
	441	.channels_min = 1,
	442	.channels_max = 8,
	443	},
fdd961e3 KJ	444	},
	445	{
	446	.name = "SSP2 Pin",
e81d47e9 BL	447	.playback = {
	448	.channels_min = 1,
	449	.channels_max = 8,
	450	},
	451	.capture = {
	452	.channels_min = 1,
	453	.channels_max = 8,
	454	},
fdd961e3 KJ	455	},
	456	{
	457	.name = "SSP3 Pin",
e81d47e9 BL	458	.playback = {
	459	.channels_min = 1,
	460	.channels_max = 8,
	461	},
	462	.capture = {
	463	.channels_min = 1,
	464	.channels_max = 8,
	465	},
fdd961e3 KJ	466	},
	467	{
	468	.name = "SSP4 Pin",
e81d47e9 BL	469	.playback = {
	470	.channels_min = 1,
	471	.channels_max = 8,
	472	},
	473	.capture = {
	474	.channels_min = 1,
	475	.channels_max = 8,
	476	},
fdd961e3 KJ	477	},
	478	{
	479	.name = "SSP5 Pin",
e81d47e9 BL	480	.playback = {
	481	.channels_min = 1,
	482	.channels_max = 8,
	483	},
	484	.capture = {
	485	.channels_min = 1,
	486	.channels_max = 8,
	487	},
fdd961e3 KJ	488	},
	489	{
	490	.name = "DMIC01 Pin",
e81d47e9 BL	491	.capture = {
	492	.channels_min = 1,
	493	.channels_max = 4,
	494	},
fdd961e3 KJ	495	},
	496	{
	497	.name = "DMIC16k Pin",
e81d47e9 BL	498	.capture = {
	499	.channels_min = 1,
	500	.channels_max = 4,
	501	},
fdd961e3 KJ	502	},
	503	#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
	504	{
	505	.name = "iDisp1 Pin",
	506	.ops = &hda_link_dai_ops,
e81d47e9 BL	507	.playback = {
	508	.channels_min = 1,
	509	.channels_max = 8,
	510	},
fdd961e3 KJ	511	},
	512	{
	513	.name = "iDisp2 Pin",
	514	.ops = &hda_link_dai_ops,
e81d47e9 BL	515	.playback = {
	516	.channels_min = 1,
	517	.channels_max = 8,
	518	},
fdd961e3 KJ	519	},
	520	{
	521	.name = "iDisp3 Pin",
	522	.ops = &hda_link_dai_ops,
e81d47e9 BL	523	.playback = {
	524	.channels_min = 1,
	525	.channels_max = 8,
	526	},
fdd961e3	527	},
e68d6696 SN	528	{
	529	.name = "iDisp4 Pin",
	530	.ops = &hda_link_dai_ops,
e81d47e9 BL	531	.playback = {
	532	.channels_min = 1,
	533	.channels_max = 8,
	534	},
e68d6696	535	},
fdd961e3 KJ	536	{
	537	.name = "Analog CPU DAI",
	538	.ops = &hda_link_dai_ops,
e81d47e9 BL	539	.playback = {
	540	.channels_min = 1,
	541	.channels_max = 16,
	542	},
	543	.capture = {
	544	.channels_min = 1,
	545	.channels_max = 16,
	546	},
fdd961e3 KJ	547	},
	548	{
	549	.name = "Digital CPU DAI",
	550	.ops = &hda_link_dai_ops,
e81d47e9 BL	551	.playback = {
	552	.channels_min = 1,
	553	.channels_max = 16,
	554	},
	555	.capture = {
	556	.channels_min = 1,
	557	.channels_max = 16,
	558	},
fdd961e3 KJ	559	},
	560	{
	561	.name = "Alt Analog CPU DAI",
	562	.ops = &hda_link_dai_ops,
e81d47e9 BL	563	.playback = {
	564	.channels_min = 1,
	565	.channels_max = 16,
	566	},
	567	.capture = {
	568	.channels_min = 1,
	569	.channels_max = 16,
	570	},
fdd961e3	571	},
70368106 CR	572	#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_PROBES)
	573	{
	574	.name = "Probe Extraction CPU DAI",
	575	.compress_new = snd_soc_new_compress,
	576	.cops = &sof_probe_compr_ops,
	577	.capture = {
	578	.stream_name = "Probe Extraction",
	579	.channels_min = 1,
	580	.channels_max = 8,
	581	.rates = SNDRV_PCM_RATE_48000,
	582	.rate_min = 48000,
	583	.rate_max = 48000,
	584	},
	585	},
	586	#endif
fdd961e3 KJ	587	#endif
fdd961e3 KJ	588	};