From 80afde34e8f9c2459f7cd37ea2d5f71751fedd69 Mon Sep 17 00:00:00 2001 From: Ranjani Sridharan Date: Tue, 7 Mar 2023 16:04:29 +0200 Subject: [PATCH] ASoC: SOF: Intel: hda-dai: Define and set the HDA DAI widget DMA ops MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Define and set the get_hext_stream, assign_hext_stream and release_hext_stream DMA ops for HDA DAIs. Signed-off-by: Ranjani Sridharan Reviewed-by: Bard Liao Reviewed-by: Pierre-Louis Bossart Reviewed-by: Péter Ujfalusi Reviewed-by: Rander Wang Signed-off-by: Peter Ujfalusi Link: https://lore.kernel.org/r/20230307140435.2808-9-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown --- sound/soc/sof/intel/Makefile | 2 +- sound/soc/sof/intel/hda-dai-ops.c | 183 +++++++++++++++++++++++++++++++++++++ sound/soc/sof/intel/hda-dai.c | 188 ++++++++++++++------------------------ sound/soc/sof/intel/hda.h | 4 + 4 files changed, 259 insertions(+), 118 deletions(-) create mode 100644 sound/soc/sof/intel/hda-dai-ops.c diff --git a/sound/soc/sof/intel/Makefile b/sound/soc/sof/intel/Makefile index 8201cbd..38ab86b 100644 --- a/sound/soc/sof/intel/Makefile +++ b/sound/soc/sof/intel/Makefile @@ -5,7 +5,7 @@ snd-sof-acpi-intel-bdw-objs := bdw.o snd-sof-intel-hda-common-objs := hda.o hda-loader.o hda-stream.o hda-trace.o \ hda-dsp.o hda-ipc.o hda-ctrl.o hda-pcm.o \ - hda-dai.o hda-bus.o hda-mlink.o \ + hda-dai.o hda-dai-ops.o hda-bus.o hda-mlink.o \ skl.o hda-loader-skl.o \ apl.o cnl.o tgl.o icl.o mtl.o hda-common-ops.o diff --git a/sound/soc/sof/intel/hda-dai-ops.c b/sound/soc/sof/intel/hda-dai-ops.c new file mode 100644 index 0000000..9dfcafe --- /dev/null +++ b/sound/soc/sof/intel/hda-dai-ops.c @@ -0,0 +1,183 @@ +// 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) 2022 Intel Corporation. All rights reserved. + +#include +#include +#include +#include +#include "../ipc4-priv.h" +#include "../ipc4-topology.h" +#include "../sof-priv.h" +#include "../sof-audio.h" +#include "hda.h" + +/* These ops are only applicable for the HDA DAI's in their current form */ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) +/* + * 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; + const struct sof_intel_dsp_desc *chip; + struct snd_sof_dev *sdev; + struct hdac_ext_stream *res = NULL; + struct hdac_stream *hstream = NULL; + + int stream_dir = substream->stream; + + if (!bus->ppcap) { + dev_err(bus->dev, "stream type not supported\n"); + return NULL; + } + + spin_lock_irq(&bus->reg_lock); + list_for_each_entry(hstream, &bus->stream_list, list) { + struct hdac_ext_stream *hext_stream = + stream_to_hdac_ext_stream(hstream); + if (hstream->direction != substream->stream) + continue; + + hda_stream = hstream_to_sof_hda_stream(hext_stream); + sdev = hda_stream->sdev; + chip = get_chip_info(sdev->pdata); + + /* check if link is available */ + if (!hext_stream->link_locked) { + /* + * choose the first available link for platforms that do not have the + * PROCEN_FMT_QUIRK set. + */ + if (!(chip->quirks & SOF_INTEL_PROCEN_FMT_QUIRK)) { + res = hext_stream; + break; + } + + if (hstream->opened) { + /* + * check if the stream tag matches the stream + * tag of one of the connected FEs + */ + if (hda_check_fes(rtd, stream_dir, + hstream->stream_tag)) { + res = hext_stream; + break; + } + } else { + res = hext_stream; + + /* + * This must be a hostless stream. + * So reserve the host DMA channel. + */ + hda_stream->host_reserved = 1; + break; + } + } + } + + if (res) { + /* Make sure that host and link DMA is decoupled. */ + snd_hdac_ext_stream_decouple_locked(bus, res, true); + + res->link_locked = 1; + res->link_substream = substream; + } + spin_unlock_irq(&bus->reg_lock); + + return res; +} + +static struct hdac_ext_stream *hda_get_hext_stream(struct snd_sof_dev *sdev, + struct snd_soc_dai *cpu_dai, + struct snd_pcm_substream *substream) +{ + return snd_soc_dai_get_dma_data(cpu_dai, substream); +} + +static struct hdac_ext_stream *hda_assign_hext_stream(struct snd_sof_dev *sdev, + struct snd_soc_dai *cpu_dai, + struct snd_pcm_substream *substream) +{ + struct hdac_ext_stream *hext_stream; + + hext_stream = hda_link_stream_assign(sof_to_bus(sdev), substream); + if (!hext_stream) + return NULL; + + snd_soc_dai_set_dma_data(cpu_dai, substream, (void *)hext_stream); + + return hext_stream; +} + +static void hda_release_hext_stream(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai, + struct snd_pcm_substream *substream) +{ + struct hdac_ext_stream *hext_stream = hda_get_hext_stream(sdev, cpu_dai, substream); + + snd_soc_dai_set_dma_data(cpu_dai, substream, NULL); + snd_hdac_ext_stream_release(hext_stream, HDAC_EXT_STREAM_TYPE_LINK); +} + +static const struct hda_dai_widget_dma_ops hda_dma_ops = { + .get_hext_stream = hda_get_hext_stream, + .assign_hext_stream = hda_assign_hext_stream, + .release_hext_stream = hda_release_hext_stream, +}; + +#endif + +const struct hda_dai_widget_dma_ops * +hda_select_dai_widget_ops(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget) +{ +#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) + struct snd_sof_dai *sdai = swidget->private; + + switch (sdev->pdata->ipc_type) { + case SOF_IPC: + { + struct sof_dai_private_data *private = sdai->private; + + if (private->dai_config->type == SOF_DAI_INTEL_HDA) + return &hda_dma_ops; + break; + } + case SOF_INTEL_IPC4: + { + struct sof_ipc4_copier *ipc4_copier = sdai->private; + + if (ipc4_copier->dai_type == SOF_DAI_INTEL_HDA) + return &hda_dma_ops; + break; + } + default: + break; + } +#endif + return NULL; +} diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c index 49f25e5..963c40d 100644 --- a/sound/soc/sof/intel/hda-dai.c +++ b/sound/soc/sof/intel/hda-dai.c @@ -29,101 +29,30 @@ MODULE_PARM_DESC(sof_use_tplg_nhlt, "SOF topology nhlt override"); #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) -/* - * 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) +static const struct hda_dai_widget_dma_ops * +hda_dai_get_ops(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai) { - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); - struct sof_intel_hda_stream *hda_stream; - const struct sof_intel_dsp_desc *chip; - struct snd_sof_dev *sdev; - struct hdac_ext_stream *res = NULL; - struct hdac_stream *hstream = NULL; - - int stream_dir = substream->stream; + struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream); + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(cpu_dai->component); + struct snd_sof_widget *swidget = w->dobj.private; + struct snd_sof_dai *sdai = swidget->private; - if (!bus->ppcap) { - dev_err(bus->dev, "stream type not supported\n"); - return NULL; - } + /* select and set the DAI widget ops if not set already */ + if (!sdai->platform_private) { + const struct hda_dai_widget_dma_ops *ops = + hda_select_dai_widget_ops(sdev, swidget); - spin_lock_irq(&bus->reg_lock); - list_for_each_entry(hstream, &bus->stream_list, list) { - struct hdac_ext_stream *hext_stream = - stream_to_hdac_ext_stream(hstream); - if (hstream->direction != substream->stream) - continue; - - hda_stream = hstream_to_sof_hda_stream(hext_stream); - sdev = hda_stream->sdev; - chip = get_chip_info(sdev->pdata); - - /* check if link is available */ - if (!hext_stream->link_locked) { - /* - * choose the first available link for platforms that do not have the - * PROCEN_FMT_QUIRK set. - */ - if (!(chip->quirks & SOF_INTEL_PROCEN_FMT_QUIRK)) { - res = hext_stream; - break; - } - - if (hstream->opened) { - /* - * check if the stream tag matches the stream - * tag of one of the connected FEs - */ - if (hda_check_fes(rtd, stream_dir, - hstream->stream_tag)) { - res = hext_stream; - break; - } - } else { - res = hext_stream; - - /* - * This must be a hostless stream. - * So reserve the host DMA channel. - */ - hda_stream->host_reserved = 1; - break; - } - } - } + if (!ops) + return NULL; - if (res) { - /* Make sure that host and link DMA is decoupled. */ - snd_hdac_ext_stream_decouple_locked(bus, res, true); + /* check if mandatory ops are set */ + if (!ops || !ops->get_hext_stream) + return NULL; - res->link_locked = 1; - res->link_substream = substream; + sdai->platform_private = ops; } - spin_unlock_irq(&bus->reg_lock); - return res; + return sdai->platform_private; } static int hda_link_dma_cleanup(struct snd_pcm_substream *substream, @@ -131,6 +60,8 @@ static int hda_link_dma_cleanup(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai, struct snd_soc_dai *codec_dai) { + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(cpu_dai->component); + const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai); struct hdac_stream *hstream = &hext_stream->hstream; struct hdac_bus *bus = hstream->bus; struct sof_intel_hda_stream *hda_stream; @@ -145,8 +76,10 @@ static int hda_link_dma_cleanup(struct snd_pcm_substream *substream, stream_tag = hdac_stream(hext_stream)->stream_tag; snd_hdac_ext_bus_link_clear_stream_id(hlink, stream_tag); } - snd_soc_dai_set_dma_data(cpu_dai, substream, NULL); - snd_hdac_ext_stream_release(hext_stream, HDAC_EXT_STREAM_TYPE_LINK); + + if (ops->release_hext_stream) + ops->release_hext_stream(sdev, cpu_dai, substream); + hext_stream->link_prepared = 0; /* free the host DMA channel reserved by hostless streams */ @@ -159,6 +92,7 @@ static int hda_link_dma_cleanup(struct snd_pcm_substream *substream, static int hda_link_dma_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *cpu_dai) { + const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai); struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); struct hdac_ext_stream *hext_stream; @@ -168,7 +102,7 @@ static int hda_link_dma_hw_params(struct snd_pcm_substream *substream, struct hdac_bus *bus; unsigned int format_val; unsigned int link_bps; - unsigned char stream_tag; + int stream_tag; sdev = snd_soc_component_get_drvdata(cpu_dai->component); bus = sof_to_bus(sdev); @@ -177,15 +111,16 @@ static int hda_link_dma_hw_params(struct snd_pcm_substream *substream, if (!hlink) return -EINVAL; - hext_stream = snd_soc_dai_get_dma_data(cpu_dai, substream); - if (!hext_stream) { - hext_stream = hda_link_stream_assign(bus, substream); - if (!hext_stream) - return -EBUSY; + hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream); - snd_soc_dai_set_dma_data(cpu_dai, substream, (void *)hext_stream); + if (!hext_stream) { + if (ops->assign_hext_stream) + hext_stream = ops->assign_hext_stream(sdev, cpu_dai, substream); } + if (!hext_stream) + return -EBUSY; + hstream = &hext_stream->hstream; stream_tag = hstream->stream_tag; @@ -226,11 +161,15 @@ static int hda_link_dma_prepare(struct snd_pcm_substream *substream, struct snd_ static int hda_link_dma_trigger(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai, int cmd) { + const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai); struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(cpu_dai->component); struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); - struct hdac_ext_stream *hext_stream = snd_soc_dai_get_dma_data(cpu_dai, substream); + struct hdac_ext_stream *hext_stream; int ret; + hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream); + if (!hext_stream) return 0; @@ -259,11 +198,18 @@ static int hda_link_dma_trigger(struct snd_pcm_substream *substream, struct snd_ static int hda_link_dma_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai) { + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(cpu_dai->component); + const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai); struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); struct hdac_ext_stream *hext_stream; - hext_stream = snd_soc_dai_get_dma_data(cpu_dai, substream); + if (!ops) { + dev_err(sdev->dev, "DAI widget ops not set\n"); + return -EINVAL; + } + + hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream); if (!hext_stream) return 0; @@ -288,18 +234,18 @@ static int hda_dai_hw_params_update(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { + struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(dai, substream->stream); + const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai); + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component); struct hdac_ext_stream *hext_stream; - struct snd_soc_dapm_widget *w; int stream_tag; - hext_stream = snd_soc_dai_get_dma_data(dai, substream); + hext_stream = ops->get_hext_stream(sdev, dai, substream); if (!hext_stream) return -EINVAL; stream_tag = hdac_stream(hext_stream)->stream_tag; - w = snd_soc_dai_get_widget(dai, substream->stream); - /* set up the DAI widget and send the DAI_CONFIG with the new tag */ return hda_dai_widget_update(w, stream_tag - 1, true); } @@ -308,10 +254,17 @@ static int hda_dai_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - struct hdac_ext_stream *hext_stream = - snd_soc_dai_get_dma_data(dai, substream); + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component); + const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai); + struct hdac_ext_stream *hext_stream; int ret; + if (!ops) { + dev_err(sdev->dev, "DAI widget ops not set\n"); + return -EINVAL; + } + + hext_stream = ops->get_hext_stream(sdev, dai, substream); if (hext_stream && hext_stream->link_prepared) return 0; @@ -343,13 +296,14 @@ static int hda_dai_config_pause_push_ipc(struct snd_soc_dapm_widget *w) static int hda_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct hdac_ext_stream *hext_stream = - snd_soc_dai_get_dma_data(dai, substream); struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component); + const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai); struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct hdac_ext_stream *hext_stream; int stream = substream->stream; int ret; + hext_stream = ops->get_hext_stream(sdev, dai, substream); if (hext_stream && hext_stream->link_prepared) return 0; @@ -418,27 +372,27 @@ static int ipc3_hda_dai_trigger(struct snd_pcm_substream *substream, static int ipc4_hda_dai_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { - struct hdac_ext_stream *hext_stream = snd_soc_dai_get_dma_data(dai, substream); + struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(dai, substream->stream); struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component); - struct snd_sof_widget *pipe_widget; - struct sof_ipc4_pipeline *pipeline; + const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai); + struct snd_sof_widget *swidget = w->dobj.private; + struct hdac_ext_stream *hext_stream; + struct snd_sof_widget *pipe_widget = swidget->spipe->pipe_widget; + struct sof_ipc4_pipeline *pipeline = pipe_widget->private; struct snd_soc_pcm_runtime *rtd; - struct snd_sof_widget *swidget; - struct snd_soc_dapm_widget *w; struct snd_soc_dai *codec_dai; int ret; dev_dbg(dai->dev, "cmd=%d dai %s direction %d\n", cmd, dai->name, substream->stream); + hext_stream = ops->get_hext_stream(sdev, dai, substream); + if (!hext_stream) + return -EINVAL; + rtd = asoc_substream_to_rtd(substream); codec_dai = asoc_rtd_to_codec(rtd, 0); - w = snd_soc_dai_get_widget(dai, substream->stream); - swidget = w->dobj.private; - pipe_widget = swidget->spipe->pipe_widget; - pipeline = pipe_widget->private; - switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index c624382..e0469f8 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -959,4 +959,8 @@ struct hda_dai_widget_dma_ops { int (*post_trigger)(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai, struct snd_pcm_substream *substream, int cmd); }; + +const struct hda_dai_widget_dma_ops * +hda_select_dai_widget_ops(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget); + #endif -- 2.7.4