115 lines
3.1 KiB
C
115 lines
3.1 KiB
C
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
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//
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// This file is provided under a dual BSD/GPLv2 license. When using or
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// redistributing this file, you may do so under either license.
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//
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// Copyright(c) 2019-2020 Intel Corporation. All rights reserved.
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//
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// Author: Cezary Rojewski <cezary.rojewski@intel.com>
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//
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#include <sound/hdaudio_ext.h>
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#include <sound/soc.h>
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#include "../sof-priv.h"
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#include "hda.h"
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static inline struct hdac_ext_stream *
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hda_compr_get_stream(struct snd_compr_stream *cstream)
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{
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return cstream->runtime->private_data;
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}
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int hda_probe_compr_assign(struct snd_sof_dev *sdev,
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struct snd_compr_stream *cstream,
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struct snd_soc_dai *dai)
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{
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struct hdac_ext_stream *stream;
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stream = hda_dsp_stream_get(sdev, cstream->direction, 0);
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if (!stream)
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return -EBUSY;
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hdac_stream(stream)->curr_pos = 0;
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hdac_stream(stream)->cstream = cstream;
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cstream->runtime->private_data = stream;
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return hdac_stream(stream)->stream_tag;
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}
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int hda_probe_compr_free(struct snd_sof_dev *sdev,
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struct snd_compr_stream *cstream,
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struct snd_soc_dai *dai)
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{
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struct hdac_ext_stream *stream = hda_compr_get_stream(cstream);
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int ret;
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ret = hda_dsp_stream_put(sdev, cstream->direction,
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hdac_stream(stream)->stream_tag);
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if (ret < 0) {
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dev_dbg(sdev->dev, "stream put failed: %d\n", ret);
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return ret;
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}
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hdac_stream(stream)->cstream = NULL;
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cstream->runtime->private_data = NULL;
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return 0;
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}
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int hda_probe_compr_set_params(struct snd_sof_dev *sdev,
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struct snd_compr_stream *cstream,
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struct snd_compr_params *params,
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struct snd_soc_dai *dai)
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{
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struct hdac_ext_stream *stream = hda_compr_get_stream(cstream);
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struct hdac_stream *hstream = hdac_stream(stream);
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struct snd_dma_buffer *dmab;
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u32 bits, rate;
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int bps, ret;
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dmab = cstream->runtime->dma_buffer_p;
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/* compr params do not store bit depth, default to S32_LE */
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bps = snd_pcm_format_physical_width(SNDRV_PCM_FORMAT_S32_LE);
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if (bps < 0)
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return bps;
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bits = hda_dsp_get_bits(sdev, bps);
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rate = hda_dsp_get_mult_div(sdev, params->codec.sample_rate);
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hstream->format_val = rate | bits | (params->codec.ch_out - 1);
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hstream->bufsize = cstream->runtime->buffer_size;
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hstream->period_bytes = cstream->runtime->fragment_size;
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hstream->no_period_wakeup = 0;
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ret = hda_dsp_stream_hw_params(sdev, stream, dmab, NULL);
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if (ret < 0) {
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dev_err(sdev->dev, "error: hdac prepare failed: %d\n", ret);
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return ret;
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}
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return 0;
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}
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int hda_probe_compr_trigger(struct snd_sof_dev *sdev,
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struct snd_compr_stream *cstream, int cmd,
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struct snd_soc_dai *dai)
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{
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struct hdac_ext_stream *stream = hda_compr_get_stream(cstream);
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return hda_dsp_stream_trigger(sdev, stream, cmd);
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}
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int hda_probe_compr_pointer(struct snd_sof_dev *sdev,
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struct snd_compr_stream *cstream,
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struct snd_compr_tstamp *tstamp,
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struct snd_soc_dai *dai)
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{
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struct hdac_ext_stream *stream = hda_compr_get_stream(cstream);
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struct snd_soc_pcm_stream *pstream;
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pstream = &dai->driver->capture;
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tstamp->copied_total = hdac_stream(stream)->curr_pos;
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tstamp->sampling_rate = snd_pcm_rate_bit_to_rate(pstream->rates);
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return 0;
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}
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