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1519 lines
40 KiB
1519 lines
40 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* skl-pcm.c -ASoC HDA Platform driver file implementing PCM functionality |
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* |
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* Copyright (C) 2014-2015 Intel Corp |
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* Author: Jeeja KP <[email protected]> |
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* |
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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* |
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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*/ |
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|
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#include <linux/pci.h> |
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#include <linux/pm_runtime.h> |
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#include <linux/delay.h> |
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#include <sound/pcm_params.h> |
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#include <sound/soc.h> |
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#include "skl.h" |
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#include "skl-topology.h" |
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#include "skl-sst-dsp.h" |
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#include "skl-sst-ipc.h" |
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|
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#define HDA_MONO 1 |
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#define HDA_STEREO 2 |
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#define HDA_QUAD 4 |
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#define HDA_MAX 8 |
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|
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static const struct snd_pcm_hardware azx_pcm_hw = { |
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.info = (SNDRV_PCM_INFO_MMAP | |
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SNDRV_PCM_INFO_INTERLEAVED | |
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SNDRV_PCM_INFO_BLOCK_TRANSFER | |
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SNDRV_PCM_INFO_MMAP_VALID | |
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SNDRV_PCM_INFO_PAUSE | |
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SNDRV_PCM_INFO_RESUME | |
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SNDRV_PCM_INFO_SYNC_START | |
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SNDRV_PCM_INFO_HAS_WALL_CLOCK | /* legacy */ |
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SNDRV_PCM_INFO_HAS_LINK_ATIME | |
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SNDRV_PCM_INFO_NO_PERIOD_WAKEUP), |
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.formats = SNDRV_PCM_FMTBIT_S16_LE | |
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SNDRV_PCM_FMTBIT_S32_LE | |
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SNDRV_PCM_FMTBIT_S24_LE, |
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.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 | |
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SNDRV_PCM_RATE_8000, |
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.rate_min = 8000, |
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.rate_max = 48000, |
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.channels_min = 1, |
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.channels_max = 8, |
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.buffer_bytes_max = AZX_MAX_BUF_SIZE, |
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.period_bytes_min = 128, |
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.period_bytes_max = AZX_MAX_BUF_SIZE / 2, |
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.periods_min = 2, |
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.periods_max = AZX_MAX_FRAG, |
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.fifo_size = 0, |
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}; |
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|
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static inline |
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struct hdac_ext_stream *get_hdac_ext_stream(struct snd_pcm_substream *substream) |
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{ |
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return substream->runtime->private_data; |
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} |
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|
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static struct hdac_bus *get_bus_ctx(struct snd_pcm_substream *substream) |
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{ |
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struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); |
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struct hdac_stream *hstream = hdac_stream(stream); |
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struct hdac_bus *bus = hstream->bus; |
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return bus; |
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} |
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|
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static int skl_substream_alloc_pages(struct hdac_bus *bus, |
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struct snd_pcm_substream *substream, |
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size_t size) |
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{ |
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struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); |
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|
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hdac_stream(stream)->bufsize = 0; |
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hdac_stream(stream)->period_bytes = 0; |
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hdac_stream(stream)->format_val = 0; |
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|
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return 0; |
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} |
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|
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static void skl_set_pcm_constrains(struct hdac_bus *bus, |
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struct snd_pcm_runtime *runtime) |
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{ |
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snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); |
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|
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/* avoid wrap-around with wall-clock */ |
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snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_TIME, |
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20, 178000000); |
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} |
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|
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static enum hdac_ext_stream_type skl_get_host_stream_type(struct hdac_bus *bus) |
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{ |
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if (bus->ppcap) |
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return HDAC_EXT_STREAM_TYPE_HOST; |
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else |
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return HDAC_EXT_STREAM_TYPE_COUPLED; |
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} |
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|
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/* |
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* check if the stream opened is marked as ignore_suspend by machine, if so |
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* then enable suspend_active refcount |
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* |
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* The count supend_active does not need lock as it is used in open/close |
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* and suspend context |
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*/ |
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static void skl_set_suspend_active(struct snd_pcm_substream *substream, |
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struct snd_soc_dai *dai, bool enable) |
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{ |
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struct hdac_bus *bus = dev_get_drvdata(dai->dev); |
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struct snd_soc_dapm_widget *w; |
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struct skl_dev *skl = bus_to_skl(bus); |
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|
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w = snd_soc_dai_get_widget(dai, substream->stream); |
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|
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if (w->ignore_suspend && enable) |
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skl->supend_active++; |
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else if (w->ignore_suspend && !enable) |
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skl->supend_active--; |
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} |
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|
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int skl_pcm_host_dma_prepare(struct device *dev, struct skl_pipe_params *params) |
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{ |
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struct hdac_bus *bus = dev_get_drvdata(dev); |
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struct skl_dev *skl = bus_to_skl(bus); |
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unsigned int format_val; |
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struct hdac_stream *hstream; |
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struct hdac_ext_stream *stream; |
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int err; |
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|
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hstream = snd_hdac_get_stream(bus, params->stream, |
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params->host_dma_id + 1); |
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if (!hstream) |
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return -EINVAL; |
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|
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stream = stream_to_hdac_ext_stream(hstream); |
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snd_hdac_ext_stream_decouple(bus, stream, true); |
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|
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format_val = snd_hdac_calc_stream_format(params->s_freq, |
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params->ch, params->format, params->host_bps, 0); |
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|
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dev_dbg(dev, "format_val=%d, rate=%d, ch=%d, format=%d\n", |
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format_val, params->s_freq, params->ch, params->format); |
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|
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snd_hdac_stream_reset(hdac_stream(stream)); |
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err = snd_hdac_stream_set_params(hdac_stream(stream), format_val); |
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if (err < 0) |
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return err; |
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|
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/* |
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* The recommended SDxFMT programming sequence for BXT |
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* platforms is to couple the stream before writing the format |
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*/ |
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if (IS_BXT(skl->pci)) { |
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snd_hdac_ext_stream_decouple(bus, stream, false); |
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err = snd_hdac_stream_setup(hdac_stream(stream)); |
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snd_hdac_ext_stream_decouple(bus, stream, true); |
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} else { |
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err = snd_hdac_stream_setup(hdac_stream(stream)); |
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} |
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if (err < 0) |
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return err; |
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hdac_stream(stream)->prepared = 1; |
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|
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return 0; |
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} |
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|
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int skl_pcm_link_dma_prepare(struct device *dev, struct skl_pipe_params *params) |
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{ |
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struct hdac_bus *bus = dev_get_drvdata(dev); |
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unsigned int format_val; |
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struct hdac_stream *hstream; |
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struct hdac_ext_stream *stream; |
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struct hdac_ext_link *link; |
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unsigned char stream_tag; |
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hstream = snd_hdac_get_stream(bus, params->stream, |
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params->link_dma_id + 1); |
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if (!hstream) |
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return -EINVAL; |
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|
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stream = stream_to_hdac_ext_stream(hstream); |
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snd_hdac_ext_stream_decouple(bus, stream, true); |
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format_val = snd_hdac_calc_stream_format(params->s_freq, params->ch, |
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params->format, params->link_bps, 0); |
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|
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dev_dbg(dev, "format_val=%d, rate=%d, ch=%d, format=%d\n", |
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format_val, params->s_freq, params->ch, params->format); |
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|
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snd_hdac_ext_link_stream_reset(stream); |
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|
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snd_hdac_ext_link_stream_setup(stream, format_val); |
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stream_tag = hstream->stream_tag; |
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if (stream->hstream.direction == SNDRV_PCM_STREAM_PLAYBACK) { |
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list_for_each_entry(link, &bus->hlink_list, list) { |
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if (link->index == params->link_index) |
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snd_hdac_ext_link_set_stream_id(link, |
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stream_tag); |
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} |
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} |
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stream->link_prepared = 1; |
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return 0; |
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} |
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static int skl_pcm_open(struct snd_pcm_substream *substream, |
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struct snd_soc_dai *dai) |
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{ |
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struct hdac_bus *bus = dev_get_drvdata(dai->dev); |
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struct hdac_ext_stream *stream; |
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struct snd_pcm_runtime *runtime = substream->runtime; |
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struct skl_dma_params *dma_params; |
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struct skl_dev *skl = get_skl_ctx(dai->dev); |
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struct skl_module_cfg *mconfig; |
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|
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dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); |
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stream = snd_hdac_ext_stream_assign(bus, substream, |
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skl_get_host_stream_type(bus)); |
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if (stream == NULL) |
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return -EBUSY; |
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skl_set_pcm_constrains(bus, runtime); |
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|
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/* |
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* disable WALLCLOCK timestamps for capture streams |
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* until we figure out how to handle digital inputs |
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*/ |
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if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { |
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runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_WALL_CLOCK; /* legacy */ |
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runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_LINK_ATIME; |
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} |
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runtime->private_data = stream; |
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|
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dma_params = kzalloc(sizeof(*dma_params), GFP_KERNEL); |
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if (!dma_params) |
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return -ENOMEM; |
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|
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dma_params->stream_tag = hdac_stream(stream)->stream_tag; |
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snd_soc_dai_set_dma_data(dai, substream, dma_params); |
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dev_dbg(dai->dev, "stream tag set in dma params=%d\n", |
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dma_params->stream_tag); |
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skl_set_suspend_active(substream, dai, true); |
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snd_pcm_set_sync(substream); |
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mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream); |
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if (!mconfig) |
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return -EINVAL; |
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skl_tplg_d0i3_get(skl, mconfig->d0i3_caps); |
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|
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return 0; |
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} |
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static int skl_pcm_prepare(struct snd_pcm_substream *substream, |
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struct snd_soc_dai *dai) |
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{ |
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struct skl_dev *skl = get_skl_ctx(dai->dev); |
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struct skl_module_cfg *mconfig; |
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int ret; |
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dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); |
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mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream); |
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|
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/* |
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* In case of XRUN recovery or in the case when the application |
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* calls prepare another time, reset the FW pipe to clean state |
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*/ |
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if (mconfig && |
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(substream->runtime->status->state == SNDRV_PCM_STATE_XRUN || |
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mconfig->pipe->state == SKL_PIPE_CREATED || |
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mconfig->pipe->state == SKL_PIPE_PAUSED)) { |
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ret = skl_reset_pipe(skl, mconfig->pipe); |
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if (ret < 0) |
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return ret; |
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ret = skl_pcm_host_dma_prepare(dai->dev, |
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mconfig->pipe->p_params); |
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if (ret < 0) |
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return ret; |
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} |
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return 0; |
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} |
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static int skl_pcm_hw_params(struct snd_pcm_substream *substream, |
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struct snd_pcm_hw_params *params, |
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struct snd_soc_dai *dai) |
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{ |
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struct hdac_bus *bus = dev_get_drvdata(dai->dev); |
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struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); |
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struct snd_pcm_runtime *runtime = substream->runtime; |
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struct skl_pipe_params p_params = {0}; |
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struct skl_module_cfg *m_cfg; |
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int ret, dma_id; |
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dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); |
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ret = skl_substream_alloc_pages(bus, substream, |
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params_buffer_bytes(params)); |
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if (ret < 0) |
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return ret; |
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dev_dbg(dai->dev, "format_val, rate=%d, ch=%d, format=%d\n", |
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runtime->rate, runtime->channels, runtime->format); |
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dma_id = hdac_stream(stream)->stream_tag - 1; |
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dev_dbg(dai->dev, "dma_id=%d\n", dma_id); |
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p_params.s_fmt = snd_pcm_format_width(params_format(params)); |
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p_params.ch = params_channels(params); |
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p_params.s_freq = params_rate(params); |
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p_params.host_dma_id = dma_id; |
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p_params.stream = substream->stream; |
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p_params.format = params_format(params); |
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
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p_params.host_bps = dai->driver->playback.sig_bits; |
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else |
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p_params.host_bps = dai->driver->capture.sig_bits; |
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m_cfg = skl_tplg_fe_get_cpr_module(dai, p_params.stream); |
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if (m_cfg) |
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skl_tplg_update_pipe_params(dai->dev, m_cfg, &p_params); |
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|
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return 0; |
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} |
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static void skl_pcm_close(struct snd_pcm_substream *substream, |
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struct snd_soc_dai *dai) |
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{ |
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struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); |
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struct hdac_bus *bus = dev_get_drvdata(dai->dev); |
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struct skl_dma_params *dma_params = NULL; |
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struct skl_dev *skl = bus_to_skl(bus); |
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struct skl_module_cfg *mconfig; |
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dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); |
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snd_hdac_ext_stream_release(stream, skl_get_host_stream_type(bus)); |
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dma_params = snd_soc_dai_get_dma_data(dai, substream); |
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/* |
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* now we should set this to NULL as we are freeing by the |
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* dma_params |
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*/ |
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snd_soc_dai_set_dma_data(dai, substream, NULL); |
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skl_set_suspend_active(substream, dai, false); |
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|
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/* |
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* check if close is for "Reference Pin" and set back the |
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* CGCTL.MISCBDCGE if disabled by driver |
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*/ |
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if (!strncmp(dai->name, "Reference Pin", 13) && |
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skl->miscbdcg_disabled) { |
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skl->enable_miscbdcge(dai->dev, true); |
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skl->miscbdcg_disabled = false; |
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} |
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|
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mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream); |
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if (mconfig) |
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skl_tplg_d0i3_put(skl, mconfig->d0i3_caps); |
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|
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kfree(dma_params); |
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} |
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|
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static int skl_pcm_hw_free(struct snd_pcm_substream *substream, |
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struct snd_soc_dai *dai) |
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{ |
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struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); |
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struct skl_dev *skl = get_skl_ctx(dai->dev); |
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struct skl_module_cfg *mconfig; |
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int ret; |
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|
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dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); |
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mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream); |
|
|
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if (mconfig) { |
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ret = skl_reset_pipe(skl, mconfig->pipe); |
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if (ret < 0) |
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dev_err(dai->dev, "%s:Reset failed ret =%d", |
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__func__, ret); |
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} |
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|
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snd_hdac_stream_cleanup(hdac_stream(stream)); |
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hdac_stream(stream)->prepared = 0; |
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|
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return 0; |
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} |
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|
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static int skl_be_hw_params(struct snd_pcm_substream *substream, |
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struct snd_pcm_hw_params *params, |
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struct snd_soc_dai *dai) |
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{ |
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struct skl_pipe_params p_params = {0}; |
|
|
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p_params.s_fmt = snd_pcm_format_width(params_format(params)); |
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p_params.ch = params_channels(params); |
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p_params.s_freq = params_rate(params); |
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p_params.stream = substream->stream; |
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|
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return skl_tplg_be_update_params(dai, &p_params); |
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} |
|
|
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static int skl_decoupled_trigger(struct snd_pcm_substream *substream, |
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int cmd) |
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{ |
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struct hdac_bus *bus = get_bus_ctx(substream); |
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struct hdac_ext_stream *stream; |
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int start; |
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unsigned long cookie; |
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struct hdac_stream *hstr; |
|
|
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stream = get_hdac_ext_stream(substream); |
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hstr = hdac_stream(stream); |
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|
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if (!hstr->prepared) |
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return -EPIPE; |
|
|
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switch (cmd) { |
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case SNDRV_PCM_TRIGGER_START: |
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case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
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case SNDRV_PCM_TRIGGER_RESUME: |
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start = 1; |
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break; |
|
|
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case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
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case SNDRV_PCM_TRIGGER_SUSPEND: |
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case SNDRV_PCM_TRIGGER_STOP: |
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start = 0; |
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break; |
|
|
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default: |
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return -EINVAL; |
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} |
|
|
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spin_lock_irqsave(&bus->reg_lock, cookie); |
|
|
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if (start) { |
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snd_hdac_stream_start(hdac_stream(stream), true); |
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snd_hdac_stream_timecounter_init(hstr, 0); |
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} else { |
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snd_hdac_stream_stop(hdac_stream(stream)); |
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} |
|
|
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spin_unlock_irqrestore(&bus->reg_lock, cookie); |
|
|
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return 0; |
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} |
|
|
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static int skl_pcm_trigger(struct snd_pcm_substream *substream, int cmd, |
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struct snd_soc_dai *dai) |
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{ |
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struct skl_dev *skl = get_skl_ctx(dai->dev); |
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struct skl_module_cfg *mconfig; |
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struct hdac_bus *bus = get_bus_ctx(substream); |
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struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); |
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struct snd_soc_dapm_widget *w; |
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int ret; |
|
|
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mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream); |
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if (!mconfig) |
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return -EIO; |
|
|
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w = snd_soc_dai_get_widget(dai, substream->stream); |
|
|
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switch (cmd) { |
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case SNDRV_PCM_TRIGGER_RESUME: |
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if (!w->ignore_suspend) { |
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/* |
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* enable DMA Resume enable bit for the stream, set the |
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* dpib & lpib position to resume before starting the |
|
* DMA |
|
*/ |
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snd_hdac_ext_stream_drsm_enable(bus, true, |
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hdac_stream(stream)->index); |
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snd_hdac_ext_stream_set_dpibr(bus, stream, |
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stream->lpib); |
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snd_hdac_ext_stream_set_lpib(stream, stream->lpib); |
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} |
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fallthrough; |
|
|
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case SNDRV_PCM_TRIGGER_START: |
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case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
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/* |
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* Start HOST DMA and Start FE Pipe.This is to make sure that |
|
* there are no underrun/overrun in the case when the FE |
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* pipeline is started but there is a delay in starting the |
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* DMA channel on the host. |
|
*/ |
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ret = skl_decoupled_trigger(substream, cmd); |
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if (ret < 0) |
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return ret; |
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return skl_run_pipe(skl, mconfig->pipe); |
|
|
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case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
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case SNDRV_PCM_TRIGGER_SUSPEND: |
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case SNDRV_PCM_TRIGGER_STOP: |
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/* |
|
* Stop FE Pipe first and stop DMA. This is to make sure that |
|
* there are no underrun/overrun in the case if there is a delay |
|
* between the two operations. |
|
*/ |
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ret = skl_stop_pipe(skl, mconfig->pipe); |
|
if (ret < 0) |
|
return ret; |
|
|
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ret = skl_decoupled_trigger(substream, cmd); |
|
if ((cmd == SNDRV_PCM_TRIGGER_SUSPEND) && !w->ignore_suspend) { |
|
/* save the dpib and lpib positions */ |
|
stream->dpib = readl(bus->remap_addr + |
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AZX_REG_VS_SDXDPIB_XBASE + |
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(AZX_REG_VS_SDXDPIB_XINTERVAL * |
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hdac_stream(stream)->index)); |
|
|
|
stream->lpib = snd_hdac_stream_get_pos_lpib( |
|
hdac_stream(stream)); |
|
snd_hdac_ext_stream_decouple(bus, stream, false); |
|
} |
|
break; |
|
|
|
default: |
|
return -EINVAL; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
|
|
static int skl_link_hw_params(struct snd_pcm_substream *substream, |
|
struct snd_pcm_hw_params *params, |
|
struct snd_soc_dai *dai) |
|
{ |
|
struct hdac_bus *bus = dev_get_drvdata(dai->dev); |
|
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 skl_pipe_params p_params = {0}; |
|
struct hdac_ext_link *link; |
|
int stream_tag; |
|
|
|
link_dev = snd_hdac_ext_stream_assign(bus, substream, |
|
HDAC_EXT_STREAM_TYPE_LINK); |
|
if (!link_dev) |
|
return -EBUSY; |
|
|
|
snd_soc_dai_set_dma_data(dai, substream, (void *)link_dev); |
|
|
|
link = snd_hdac_ext_bus_get_link(bus, codec_dai->component->name); |
|
if (!link) |
|
return -EINVAL; |
|
|
|
stream_tag = hdac_stream(link_dev)->stream_tag; |
|
|
|
/* 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 skl_tplg_be_update_params(dai, &p_params); |
|
} |
|
|
|
static int skl_link_pcm_prepare(struct snd_pcm_substream *substream, |
|
struct snd_soc_dai *dai) |
|
{ |
|
struct skl_dev *skl = get_skl_ctx(dai->dev); |
|
struct skl_module_cfg *mconfig = NULL; |
|
|
|
/* In case of XRUN recovery, reset the FW pipe to clean state */ |
|
mconfig = skl_tplg_be_get_cpr_module(dai, substream->stream); |
|
if (mconfig && !mconfig->pipe->passthru && |
|
(substream->runtime->status->state == SNDRV_PCM_STATE_XRUN)) |
|
skl_reset_pipe(skl, mconfig->pipe); |
|
|
|
return 0; |
|
} |
|
|
|
static int skl_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 hdac_bus *bus = get_bus_ctx(substream); |
|
struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); |
|
|
|
dev_dbg(dai->dev, "In %s cmd=%d\n", __func__, cmd); |
|
switch (cmd) { |
|
case SNDRV_PCM_TRIGGER_RESUME: |
|
case SNDRV_PCM_TRIGGER_START: |
|
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
|
snd_hdac_ext_link_stream_start(link_dev); |
|
break; |
|
|
|
case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
|
case SNDRV_PCM_TRIGGER_SUSPEND: |
|
case SNDRV_PCM_TRIGGER_STOP: |
|
snd_hdac_ext_link_stream_clear(link_dev); |
|
if (cmd == SNDRV_PCM_TRIGGER_SUSPEND) |
|
snd_hdac_ext_stream_decouple(bus, stream, false); |
|
break; |
|
|
|
default: |
|
return -EINVAL; |
|
} |
|
return 0; |
|
} |
|
|
|
static int skl_link_hw_free(struct snd_pcm_substream *substream, |
|
struct snd_soc_dai *dai) |
|
{ |
|
struct hdac_bus *bus = dev_get_drvdata(dai->dev); |
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
|
struct hdac_ext_stream *link_dev = |
|
snd_soc_dai_get_dma_data(dai, substream); |
|
struct hdac_ext_link *link; |
|
unsigned char stream_tag; |
|
|
|
dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); |
|
|
|
link_dev->link_prepared = 0; |
|
|
|
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_hdac_ext_stream_release(link_dev, HDAC_EXT_STREAM_TYPE_LINK); |
|
return 0; |
|
} |
|
|
|
static const struct snd_soc_dai_ops skl_pcm_dai_ops = { |
|
.startup = skl_pcm_open, |
|
.shutdown = skl_pcm_close, |
|
.prepare = skl_pcm_prepare, |
|
.hw_params = skl_pcm_hw_params, |
|
.hw_free = skl_pcm_hw_free, |
|
.trigger = skl_pcm_trigger, |
|
}; |
|
|
|
static const struct snd_soc_dai_ops skl_dmic_dai_ops = { |
|
.hw_params = skl_be_hw_params, |
|
}; |
|
|
|
static const struct snd_soc_dai_ops skl_be_ssp_dai_ops = { |
|
.hw_params = skl_be_hw_params, |
|
}; |
|
|
|
static const struct snd_soc_dai_ops skl_link_dai_ops = { |
|
.prepare = skl_link_pcm_prepare, |
|
.hw_params = skl_link_hw_params, |
|
.hw_free = skl_link_hw_free, |
|
.trigger = skl_link_pcm_trigger, |
|
}; |
|
|
|
static struct snd_soc_dai_driver skl_fe_dai[] = { |
|
{ |
|
.name = "System Pin", |
|
.ops = &skl_pcm_dai_ops, |
|
.playback = { |
|
.stream_name = "System Playback", |
|
.channels_min = HDA_MONO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_8000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | |
|
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE, |
|
.sig_bits = 32, |
|
}, |
|
.capture = { |
|
.stream_name = "System Capture", |
|
.channels_min = HDA_MONO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
|
.sig_bits = 32, |
|
}, |
|
}, |
|
{ |
|
.name = "System Pin2", |
|
.ops = &skl_pcm_dai_ops, |
|
.playback = { |
|
.stream_name = "Headset Playback", |
|
.channels_min = HDA_MONO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 | |
|
SNDRV_PCM_RATE_8000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | |
|
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "Echoref Pin", |
|
.ops = &skl_pcm_dai_ops, |
|
.capture = { |
|
.stream_name = "Echoreference Capture", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 | |
|
SNDRV_PCM_RATE_8000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | |
|
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "Reference Pin", |
|
.ops = &skl_pcm_dai_ops, |
|
.capture = { |
|
.stream_name = "Reference Capture", |
|
.channels_min = HDA_MONO, |
|
.channels_max = HDA_QUAD, |
|
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
|
.sig_bits = 32, |
|
}, |
|
}, |
|
{ |
|
.name = "Deepbuffer Pin", |
|
.ops = &skl_pcm_dai_ops, |
|
.playback = { |
|
.stream_name = "Deepbuffer Playback", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
|
.sig_bits = 32, |
|
}, |
|
}, |
|
{ |
|
.name = "LowLatency Pin", |
|
.ops = &skl_pcm_dai_ops, |
|
.playback = { |
|
.stream_name = "Low Latency Playback", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
|
.sig_bits = 32, |
|
}, |
|
}, |
|
{ |
|
.name = "DMIC Pin", |
|
.ops = &skl_pcm_dai_ops, |
|
.capture = { |
|
.stream_name = "DMIC Capture", |
|
.channels_min = HDA_MONO, |
|
.channels_max = HDA_QUAD, |
|
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
|
.sig_bits = 32, |
|
}, |
|
}, |
|
{ |
|
.name = "HDMI1 Pin", |
|
.ops = &skl_pcm_dai_ops, |
|
.playback = { |
|
.stream_name = "HDMI1 Playback", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = 8, |
|
.rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | |
|
SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | |
|
SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | |
|
SNDRV_PCM_RATE_192000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | |
|
SNDRV_PCM_FMTBIT_S32_LE, |
|
.sig_bits = 32, |
|
}, |
|
}, |
|
{ |
|
.name = "HDMI2 Pin", |
|
.ops = &skl_pcm_dai_ops, |
|
.playback = { |
|
.stream_name = "HDMI2 Playback", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = 8, |
|
.rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | |
|
SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | |
|
SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | |
|
SNDRV_PCM_RATE_192000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | |
|
SNDRV_PCM_FMTBIT_S32_LE, |
|
.sig_bits = 32, |
|
}, |
|
}, |
|
{ |
|
.name = "HDMI3 Pin", |
|
.ops = &skl_pcm_dai_ops, |
|
.playback = { |
|
.stream_name = "HDMI3 Playback", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = 8, |
|
.rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | |
|
SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | |
|
SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | |
|
SNDRV_PCM_RATE_192000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | |
|
SNDRV_PCM_FMTBIT_S32_LE, |
|
.sig_bits = 32, |
|
}, |
|
}, |
|
}; |
|
|
|
/* BE CPU Dais */ |
|
static struct snd_soc_dai_driver skl_platform_dai[] = { |
|
{ |
|
.name = "SSP0 Pin", |
|
.ops = &skl_be_ssp_dai_ops, |
|
.playback = { |
|
.stream_name = "ssp0 Tx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
.capture = { |
|
.stream_name = "ssp0 Rx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "SSP1 Pin", |
|
.ops = &skl_be_ssp_dai_ops, |
|
.playback = { |
|
.stream_name = "ssp1 Tx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
.capture = { |
|
.stream_name = "ssp1 Rx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "SSP2 Pin", |
|
.ops = &skl_be_ssp_dai_ops, |
|
.playback = { |
|
.stream_name = "ssp2 Tx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
.capture = { |
|
.stream_name = "ssp2 Rx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "SSP3 Pin", |
|
.ops = &skl_be_ssp_dai_ops, |
|
.playback = { |
|
.stream_name = "ssp3 Tx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
.capture = { |
|
.stream_name = "ssp3 Rx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "SSP4 Pin", |
|
.ops = &skl_be_ssp_dai_ops, |
|
.playback = { |
|
.stream_name = "ssp4 Tx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
.capture = { |
|
.stream_name = "ssp4 Rx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "SSP5 Pin", |
|
.ops = &skl_be_ssp_dai_ops, |
|
.playback = { |
|
.stream_name = "ssp5 Tx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
.capture = { |
|
.stream_name = "ssp5 Rx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = HDA_STEREO, |
|
.rates = SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "iDisp1 Pin", |
|
.ops = &skl_link_dai_ops, |
|
.playback = { |
|
.stream_name = "iDisp1 Tx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = 8, |
|
.rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE | |
|
SNDRV_PCM_FMTBIT_S24_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "iDisp2 Pin", |
|
.ops = &skl_link_dai_ops, |
|
.playback = { |
|
.stream_name = "iDisp2 Tx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = 8, |
|
.rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000| |
|
SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE | |
|
SNDRV_PCM_FMTBIT_S24_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "iDisp3 Pin", |
|
.ops = &skl_link_dai_ops, |
|
.playback = { |
|
.stream_name = "iDisp3 Tx", |
|
.channels_min = HDA_STEREO, |
|
.channels_max = 8, |
|
.rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000| |
|
SNDRV_PCM_RATE_48000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE | |
|
SNDRV_PCM_FMTBIT_S24_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "DMIC01 Pin", |
|
.ops = &skl_dmic_dai_ops, |
|
.capture = { |
|
.stream_name = "DMIC01 Rx", |
|
.channels_min = HDA_MONO, |
|
.channels_max = HDA_QUAD, |
|
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "DMIC16k Pin", |
|
.ops = &skl_dmic_dai_ops, |
|
.capture = { |
|
.stream_name = "DMIC16k Rx", |
|
.channels_min = HDA_MONO, |
|
.channels_max = HDA_QUAD, |
|
.rates = SNDRV_PCM_RATE_16000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "Analog CPU DAI", |
|
.ops = &skl_link_dai_ops, |
|
.playback = { |
|
.stream_name = "Analog CPU Playback", |
|
.channels_min = HDA_MONO, |
|
.channels_max = HDA_MAX, |
|
.rates = SNDRV_PCM_RATE_8000_192000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | |
|
SNDRV_PCM_FMTBIT_S32_LE, |
|
}, |
|
.capture = { |
|
.stream_name = "Analog CPU Capture", |
|
.channels_min = HDA_MONO, |
|
.channels_max = HDA_MAX, |
|
.rates = SNDRV_PCM_RATE_8000_192000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | |
|
SNDRV_PCM_FMTBIT_S32_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "Alt Analog CPU DAI", |
|
.ops = &skl_link_dai_ops, |
|
.playback = { |
|
.stream_name = "Alt Analog CPU Playback", |
|
.channels_min = HDA_MONO, |
|
.channels_max = HDA_MAX, |
|
.rates = SNDRV_PCM_RATE_8000_192000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | |
|
SNDRV_PCM_FMTBIT_S32_LE, |
|
}, |
|
.capture = { |
|
.stream_name = "Alt Analog CPU Capture", |
|
.channels_min = HDA_MONO, |
|
.channels_max = HDA_MAX, |
|
.rates = SNDRV_PCM_RATE_8000_192000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | |
|
SNDRV_PCM_FMTBIT_S32_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "Digital CPU DAI", |
|
.ops = &skl_link_dai_ops, |
|
.playback = { |
|
.stream_name = "Digital CPU Playback", |
|
.channels_min = HDA_MONO, |
|
.channels_max = HDA_MAX, |
|
.rates = SNDRV_PCM_RATE_8000_192000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | |
|
SNDRV_PCM_FMTBIT_S32_LE, |
|
}, |
|
.capture = { |
|
.stream_name = "Digital CPU Capture", |
|
.channels_min = HDA_MONO, |
|
.channels_max = HDA_MAX, |
|
.rates = SNDRV_PCM_RATE_8000_192000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | |
|
SNDRV_PCM_FMTBIT_S32_LE, |
|
}, |
|
}, |
|
}; |
|
|
|
int skl_dai_load(struct snd_soc_component *cmp, int index, |
|
struct snd_soc_dai_driver *dai_drv, |
|
struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai) |
|
{ |
|
dai_drv->ops = &skl_pcm_dai_ops; |
|
|
|
return 0; |
|
} |
|
|
|
static int skl_platform_soc_open(struct snd_soc_component *component, |
|
struct snd_pcm_substream *substream) |
|
{ |
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
|
struct snd_soc_dai_link *dai_link = rtd->dai_link; |
|
|
|
dev_dbg(asoc_rtd_to_cpu(rtd, 0)->dev, "In %s:%s\n", __func__, |
|
dai_link->cpus->dai_name); |
|
|
|
snd_soc_set_runtime_hwparams(substream, &azx_pcm_hw); |
|
|
|
return 0; |
|
} |
|
|
|
static int skl_coupled_trigger(struct snd_pcm_substream *substream, |
|
int cmd) |
|
{ |
|
struct hdac_bus *bus = get_bus_ctx(substream); |
|
struct hdac_ext_stream *stream; |
|
struct snd_pcm_substream *s; |
|
bool start; |
|
int sbits = 0; |
|
unsigned long cookie; |
|
struct hdac_stream *hstr; |
|
|
|
stream = get_hdac_ext_stream(substream); |
|
hstr = hdac_stream(stream); |
|
|
|
dev_dbg(bus->dev, "In %s cmd=%d\n", __func__, cmd); |
|
|
|
if (!hstr->prepared) |
|
return -EPIPE; |
|
|
|
switch (cmd) { |
|
case SNDRV_PCM_TRIGGER_START: |
|
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
|
case SNDRV_PCM_TRIGGER_RESUME: |
|
start = true; |
|
break; |
|
|
|
case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
|
case SNDRV_PCM_TRIGGER_SUSPEND: |
|
case SNDRV_PCM_TRIGGER_STOP: |
|
start = false; |
|
break; |
|
|
|
default: |
|
return -EINVAL; |
|
} |
|
|
|
snd_pcm_group_for_each_entry(s, substream) { |
|
if (s->pcm->card != substream->pcm->card) |
|
continue; |
|
stream = get_hdac_ext_stream(s); |
|
sbits |= 1 << hdac_stream(stream)->index; |
|
snd_pcm_trigger_done(s, substream); |
|
} |
|
|
|
spin_lock_irqsave(&bus->reg_lock, cookie); |
|
|
|
/* first, set SYNC bits of corresponding streams */ |
|
snd_hdac_stream_sync_trigger(hstr, true, sbits, AZX_REG_SSYNC); |
|
|
|
snd_pcm_group_for_each_entry(s, substream) { |
|
if (s->pcm->card != substream->pcm->card) |
|
continue; |
|
stream = get_hdac_ext_stream(s); |
|
if (start) |
|
snd_hdac_stream_start(hdac_stream(stream), true); |
|
else |
|
snd_hdac_stream_stop(hdac_stream(stream)); |
|
} |
|
spin_unlock_irqrestore(&bus->reg_lock, cookie); |
|
|
|
snd_hdac_stream_sync(hstr, start, sbits); |
|
|
|
spin_lock_irqsave(&bus->reg_lock, cookie); |
|
|
|
/* reset SYNC bits */ |
|
snd_hdac_stream_sync_trigger(hstr, false, sbits, AZX_REG_SSYNC); |
|
if (start) |
|
snd_hdac_stream_timecounter_init(hstr, sbits); |
|
spin_unlock_irqrestore(&bus->reg_lock, cookie); |
|
|
|
return 0; |
|
} |
|
|
|
static int skl_platform_soc_trigger(struct snd_soc_component *component, |
|
struct snd_pcm_substream *substream, |
|
int cmd) |
|
{ |
|
struct hdac_bus *bus = get_bus_ctx(substream); |
|
|
|
if (!bus->ppcap) |
|
return skl_coupled_trigger(substream, cmd); |
|
|
|
return 0; |
|
} |
|
|
|
static snd_pcm_uframes_t skl_platform_soc_pointer( |
|
struct snd_soc_component *component, |
|
struct snd_pcm_substream *substream) |
|
{ |
|
struct hdac_ext_stream *hstream = get_hdac_ext_stream(substream); |
|
struct hdac_bus *bus = get_bus_ctx(substream); |
|
unsigned int pos; |
|
|
|
/* |
|
* Use DPIB for Playback stream as the periodic DMA Position-in- |
|
* Buffer Writes may be scheduled at the same time or later than |
|
* the MSI and does not guarantee to reflect the Position of the |
|
* last buffer that was transferred. Whereas DPIB register in |
|
* HAD space reflects the actual data that is transferred. |
|
* Use the position buffer for capture, as DPIB write gets |
|
* completed earlier than the actual data written to the DDR. |
|
* |
|
* For capture stream following workaround is required to fix the |
|
* incorrect position reporting. |
|
* |
|
* 1. Wait for 20us before reading the DMA position in buffer once |
|
* the interrupt is generated for stream completion as update happens |
|
* on the HDA frame boundary i.e. 20.833uSec. |
|
* 2. Read DPIB register to flush the DMA position value. This dummy |
|
* read is required to flush DMA position value. |
|
* 3. Read the DMA Position-in-Buffer. This value now will be equal to |
|
* or greater than period boundary. |
|
*/ |
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
|
pos = readl(bus->remap_addr + AZX_REG_VS_SDXDPIB_XBASE + |
|
(AZX_REG_VS_SDXDPIB_XINTERVAL * |
|
hdac_stream(hstream)->index)); |
|
} else { |
|
udelay(20); |
|
readl(bus->remap_addr + |
|
AZX_REG_VS_SDXDPIB_XBASE + |
|
(AZX_REG_VS_SDXDPIB_XINTERVAL * |
|
hdac_stream(hstream)->index)); |
|
pos = snd_hdac_stream_get_pos_posbuf(hdac_stream(hstream)); |
|
} |
|
|
|
if (pos >= hdac_stream(hstream)->bufsize) |
|
pos = 0; |
|
|
|
return bytes_to_frames(substream->runtime, pos); |
|
} |
|
|
|
static int skl_platform_soc_mmap(struct snd_soc_component *component, |
|
struct snd_pcm_substream *substream, |
|
struct vm_area_struct *area) |
|
{ |
|
return snd_pcm_lib_default_mmap(substream, area); |
|
} |
|
|
|
static u64 skl_adjust_codec_delay(struct snd_pcm_substream *substream, |
|
u64 nsec) |
|
{ |
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
|
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
|
u64 codec_frames, codec_nsecs; |
|
|
|
if (!codec_dai->driver->ops->delay) |
|
return nsec; |
|
|
|
codec_frames = codec_dai->driver->ops->delay(substream, codec_dai); |
|
codec_nsecs = div_u64(codec_frames * 1000000000LL, |
|
substream->runtime->rate); |
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) |
|
return nsec + codec_nsecs; |
|
|
|
return (nsec > codec_nsecs) ? nsec - codec_nsecs : 0; |
|
} |
|
|
|
static int skl_platform_soc_get_time_info( |
|
struct snd_soc_component *component, |
|
struct snd_pcm_substream *substream, |
|
struct timespec64 *system_ts, struct timespec64 *audio_ts, |
|
struct snd_pcm_audio_tstamp_config *audio_tstamp_config, |
|
struct snd_pcm_audio_tstamp_report *audio_tstamp_report) |
|
{ |
|
struct hdac_ext_stream *sstream = get_hdac_ext_stream(substream); |
|
struct hdac_stream *hstr = hdac_stream(sstream); |
|
u64 nsec; |
|
|
|
if ((substream->runtime->hw.info & SNDRV_PCM_INFO_HAS_LINK_ATIME) && |
|
(audio_tstamp_config->type_requested == SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK)) { |
|
|
|
snd_pcm_gettime(substream->runtime, system_ts); |
|
|
|
nsec = timecounter_read(&hstr->tc); |
|
nsec = div_u64(nsec, 3); /* can be optimized */ |
|
if (audio_tstamp_config->report_delay) |
|
nsec = skl_adjust_codec_delay(substream, nsec); |
|
|
|
*audio_ts = ns_to_timespec64(nsec); |
|
|
|
audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK; |
|
audio_tstamp_report->accuracy_report = 1; /* rest of struct is valid */ |
|
audio_tstamp_report->accuracy = 42; /* 24MHzWallClk == 42ns resolution */ |
|
|
|
} else { |
|
audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
#define MAX_PREALLOC_SIZE (32 * 1024 * 1024) |
|
|
|
static int skl_platform_soc_new(struct snd_soc_component *component, |
|
struct snd_soc_pcm_runtime *rtd) |
|
{ |
|
struct snd_soc_dai *dai = asoc_rtd_to_cpu(rtd, 0); |
|
struct hdac_bus *bus = dev_get_drvdata(dai->dev); |
|
struct snd_pcm *pcm = rtd->pcm; |
|
unsigned int size; |
|
struct skl_dev *skl = bus_to_skl(bus); |
|
|
|
if (dai->driver->playback.channels_min || |
|
dai->driver->capture.channels_min) { |
|
/* buffer pre-allocation */ |
|
size = CONFIG_SND_HDA_PREALLOC_SIZE * 1024; |
|
if (size > MAX_PREALLOC_SIZE) |
|
size = MAX_PREALLOC_SIZE; |
|
snd_pcm_set_managed_buffer_all(pcm, |
|
SNDRV_DMA_TYPE_DEV_SG, |
|
&skl->pci->dev, |
|
size, MAX_PREALLOC_SIZE); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int skl_get_module_info(struct skl_dev *skl, |
|
struct skl_module_cfg *mconfig) |
|
{ |
|
struct skl_module_inst_id *pin_id; |
|
guid_t *uuid_mod, *uuid_tplg; |
|
struct skl_module *skl_module; |
|
struct uuid_module *module; |
|
int i, ret = -EIO; |
|
|
|
uuid_mod = (guid_t *)mconfig->guid; |
|
|
|
if (list_empty(&skl->uuid_list)) { |
|
dev_err(skl->dev, "Module list is empty\n"); |
|
return -EIO; |
|
} |
|
|
|
list_for_each_entry(module, &skl->uuid_list, list) { |
|
if (guid_equal(uuid_mod, &module->uuid)) { |
|
mconfig->id.module_id = module->id; |
|
if (mconfig->module) |
|
mconfig->module->loadable = module->is_loadable; |
|
ret = 0; |
|
break; |
|
} |
|
} |
|
|
|
if (ret) |
|
return ret; |
|
|
|
uuid_mod = &module->uuid; |
|
ret = -EIO; |
|
for (i = 0; i < skl->nr_modules; i++) { |
|
skl_module = skl->modules[i]; |
|
uuid_tplg = &skl_module->uuid; |
|
if (guid_equal(uuid_mod, uuid_tplg)) { |
|
mconfig->module = skl_module; |
|
ret = 0; |
|
break; |
|
} |
|
} |
|
if (skl->nr_modules && ret) |
|
return ret; |
|
|
|
list_for_each_entry(module, &skl->uuid_list, list) { |
|
for (i = 0; i < MAX_IN_QUEUE; i++) { |
|
pin_id = &mconfig->m_in_pin[i].id; |
|
if (guid_equal(&pin_id->mod_uuid, &module->uuid)) |
|
pin_id->module_id = module->id; |
|
} |
|
|
|
for (i = 0; i < MAX_OUT_QUEUE; i++) { |
|
pin_id = &mconfig->m_out_pin[i].id; |
|
if (guid_equal(&pin_id->mod_uuid, &module->uuid)) |
|
pin_id->module_id = module->id; |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int skl_populate_modules(struct skl_dev *skl) |
|
{ |
|
struct skl_pipeline *p; |
|
struct skl_pipe_module *m; |
|
struct snd_soc_dapm_widget *w; |
|
struct skl_module_cfg *mconfig; |
|
int ret = 0; |
|
|
|
list_for_each_entry(p, &skl->ppl_list, node) { |
|
list_for_each_entry(m, &p->pipe->w_list, node) { |
|
w = m->w; |
|
mconfig = w->priv; |
|
|
|
ret = skl_get_module_info(skl, mconfig); |
|
if (ret < 0) { |
|
dev_err(skl->dev, |
|
"query module info failed\n"); |
|
return ret; |
|
} |
|
|
|
skl_tplg_add_moduleid_in_bind_params(skl, w); |
|
} |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
static int skl_platform_soc_probe(struct snd_soc_component *component) |
|
{ |
|
struct hdac_bus *bus = dev_get_drvdata(component->dev); |
|
struct skl_dev *skl = bus_to_skl(bus); |
|
const struct skl_dsp_ops *ops; |
|
int ret; |
|
|
|
pm_runtime_get_sync(component->dev); |
|
if (bus->ppcap) { |
|
skl->component = component; |
|
|
|
/* init debugfs */ |
|
skl->debugfs = skl_debugfs_init(skl); |
|
|
|
ret = skl_tplg_init(component, bus); |
|
if (ret < 0) { |
|
dev_err(component->dev, "Failed to init topology!\n"); |
|
return ret; |
|
} |
|
|
|
/* load the firmwares, since all is set */ |
|
ops = skl_get_dsp_ops(skl->pci->device); |
|
if (!ops) |
|
return -EIO; |
|
|
|
/* |
|
* Disable dynamic clock and power gating during firmware |
|
* and library download |
|
*/ |
|
skl->enable_miscbdcge(component->dev, false); |
|
skl->clock_power_gating(component->dev, false); |
|
|
|
ret = ops->init_fw(component->dev, skl); |
|
skl->enable_miscbdcge(component->dev, true); |
|
skl->clock_power_gating(component->dev, true); |
|
if (ret < 0) { |
|
dev_err(component->dev, "Failed to boot first fw: %d\n", ret); |
|
return ret; |
|
} |
|
skl_populate_modules(skl); |
|
skl->update_d0i3c = skl_update_d0i3c; |
|
|
|
if (skl->cfg.astate_cfg != NULL) { |
|
skl_dsp_set_astate_cfg(skl, |
|
skl->cfg.astate_cfg->count, |
|
skl->cfg.astate_cfg); |
|
} |
|
} |
|
pm_runtime_mark_last_busy(component->dev); |
|
pm_runtime_put_autosuspend(component->dev); |
|
|
|
return 0; |
|
} |
|
|
|
static void skl_platform_soc_remove(struct snd_soc_component *component) |
|
{ |
|
struct hdac_bus *bus = dev_get_drvdata(component->dev); |
|
struct skl_dev *skl = bus_to_skl(bus); |
|
|
|
skl_tplg_exit(component, bus); |
|
|
|
skl_debugfs_exit(skl); |
|
} |
|
|
|
static const struct snd_soc_component_driver skl_component = { |
|
.name = "pcm", |
|
.probe = skl_platform_soc_probe, |
|
.remove = skl_platform_soc_remove, |
|
.open = skl_platform_soc_open, |
|
.trigger = skl_platform_soc_trigger, |
|
.pointer = skl_platform_soc_pointer, |
|
.get_time_info = skl_platform_soc_get_time_info, |
|
.mmap = skl_platform_soc_mmap, |
|
.pcm_construct = skl_platform_soc_new, |
|
.module_get_upon_open = 1, /* increment refcount when a pcm is opened */ |
|
}; |
|
|
|
int skl_platform_register(struct device *dev) |
|
{ |
|
int ret; |
|
struct snd_soc_dai_driver *dais; |
|
int num_dais = ARRAY_SIZE(skl_platform_dai); |
|
struct hdac_bus *bus = dev_get_drvdata(dev); |
|
struct skl_dev *skl = bus_to_skl(bus); |
|
|
|
skl->dais = kmemdup(skl_platform_dai, sizeof(skl_platform_dai), |
|
GFP_KERNEL); |
|
if (!skl->dais) { |
|
ret = -ENOMEM; |
|
goto err; |
|
} |
|
|
|
if (!skl->use_tplg_pcm) { |
|
dais = krealloc(skl->dais, sizeof(skl_fe_dai) + |
|
sizeof(skl_platform_dai), GFP_KERNEL); |
|
if (!dais) { |
|
ret = -ENOMEM; |
|
goto err; |
|
} |
|
|
|
skl->dais = dais; |
|
memcpy(&skl->dais[ARRAY_SIZE(skl_platform_dai)], skl_fe_dai, |
|
sizeof(skl_fe_dai)); |
|
num_dais += ARRAY_SIZE(skl_fe_dai); |
|
} |
|
|
|
ret = devm_snd_soc_register_component(dev, &skl_component, |
|
skl->dais, num_dais); |
|
if (ret) |
|
dev_err(dev, "soc component registration failed %d\n", ret); |
|
err: |
|
return ret; |
|
} |
|
|
|
int skl_platform_unregister(struct device *dev) |
|
{ |
|
struct hdac_bus *bus = dev_get_drvdata(dev); |
|
struct skl_dev *skl = bus_to_skl(bus); |
|
struct skl_module_deferred_bind *modules, *tmp; |
|
|
|
list_for_each_entry_safe(modules, tmp, &skl->bind_list, node) { |
|
list_del(&modules->node); |
|
kfree(modules); |
|
} |
|
|
|
kfree(skl->dais); |
|
|
|
return 0; |
|
}
|
|
|