Orange Pi5 kernel

// 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) 2019-2020 Intel Corporation. All rights reserved.
//
// Author: Cezary Rojewski <cezary.rojewski@intel.com>
//
 
#include <sound/hdaudio_ext.h>
#include <sound/soc.h>
#include "../sof-priv.h"
#include "hda.h"
 
static inline struct hdac_ext_stream *
hda_compr_get_stream(struct snd_compr_stream *cstream)
{
<------>return cstream->runtime->private_data;
}
 
int hda_probe_compr_assign(struct snd_sof_dev *sdev,
<------><------><------>   struct snd_compr_stream *cstream,
<------><------><------>   struct snd_soc_dai *dai)
{
<------>struct hdac_ext_stream *stream;
 
<------>stream = hda_dsp_stream_get(sdev, cstream->direction);
<------>if (!stream)
<------><------>return -EBUSY;
 
<------>hdac_stream(stream)->curr_pos = 0;
<------>hdac_stream(stream)->cstream = cstream;
<------>cstream->runtime->private_data = stream;
 
<------>return hdac_stream(stream)->stream_tag;
}
 
int hda_probe_compr_free(struct snd_sof_dev *sdev,
<------><------><------> struct snd_compr_stream *cstream,
<------><------><------> struct snd_soc_dai *dai)
{
<------>struct hdac_ext_stream *stream = hda_compr_get_stream(cstream);
<------>int ret;
 
<------>ret = hda_dsp_stream_put(sdev, cstream->direction,
<------><------><------><------> hdac_stream(stream)->stream_tag);
<------>if (ret < 0) {
<------><------>dev_dbg(sdev->dev, "stream put failed: %d\n", ret);
<------><------>return ret;
<------>}
 
<------>hdac_stream(stream)->cstream = NULL;
<------>cstream->runtime->private_data = NULL;
 
<------>return 0;
}
 
int hda_probe_compr_set_params(struct snd_sof_dev *sdev,
<------><------><------>       struct snd_compr_stream *cstream,
<------><------><------>       struct snd_compr_params *params,
<------><------><------>       struct snd_soc_dai *dai)
{
<------>struct hdac_ext_stream *stream = hda_compr_get_stream(cstream);
<------>struct hdac_stream *hstream = hdac_stream(stream);
<------>struct snd_dma_buffer *dmab;
<------>u32 bits, rate;
<------>int bps, ret;
 
<------>dmab = cstream->runtime->dma_buffer_p;
<------>/* compr params do not store bit depth, default to S32_LE */
<------>bps = snd_pcm_format_physical_width(SNDRV_PCM_FORMAT_S32_LE);
<------>if (bps < 0)
<------><------>return bps;
<------>bits = hda_dsp_get_bits(sdev, bps);
<------>rate = hda_dsp_get_mult_div(sdev, params->codec.sample_rate);
 
<------>hstream->format_val = rate | bits | (params->codec.ch_out - 1);
<------>hstream->bufsize = cstream->runtime->buffer_size;
<------>hstream->period_bytes = cstream->runtime->fragment_size;
<------>hstream->no_period_wakeup = 0;
 
<------>ret = hda_dsp_stream_hw_params(sdev, stream, dmab, NULL);
<------>if (ret < 0) {
<------><------>dev_err(sdev->dev, "error: hdac prepare failed: %x\n", ret);
<------><------>return ret;
<------>}
 
<------>return 0;
}
 
int hda_probe_compr_trigger(struct snd_sof_dev *sdev,
<------><------><------>    struct snd_compr_stream *cstream, int cmd,
<------><------><------>    struct snd_soc_dai *dai)
{
<------>struct hdac_ext_stream *stream = hda_compr_get_stream(cstream);
 
<------>return hda_dsp_stream_trigger(sdev, stream, cmd);
}
 
int hda_probe_compr_pointer(struct snd_sof_dev *sdev,
<------><------><------>    struct snd_compr_stream *cstream,
<------><------><------>    struct snd_compr_tstamp *tstamp,
<------><------><------>    struct snd_soc_dai *dai)
{
<------>struct hdac_ext_stream *stream = hda_compr_get_stream(cstream);
<------>struct snd_soc_pcm_stream *pstream;
 
<------>pstream = &dai->driver->capture;
<------>tstamp->copied_total = hdac_stream(stream)->curr_pos;
<------>tstamp->sampling_rate = snd_pcm_rate_bit_to_rate(pstream->rates);
 
<------>return 0;
}