631 lines
16 KiB
C
631 lines
16 KiB
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright(c) 2015-18 Intel Corporation.
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/*
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* hdac_hda.c - ASoC extensions to reuse the legacy HDA codec drivers
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* with ASoC platform drivers. These APIs are called by the legacy HDA
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* codec drivers using hdac_ext_bus_ops ops.
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*/
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/module.h>
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#include <linux/pm_runtime.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/hdaudio_ext.h>
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#include <sound/hda_i915.h>
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#include <sound/hda_codec.h>
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#include <sound/hda_register.h>
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#include "hdac_hda.h"
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#define STUB_FORMATS (SNDRV_PCM_FMTBIT_S8 | \
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SNDRV_PCM_FMTBIT_U8 | \
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SNDRV_PCM_FMTBIT_S16_LE | \
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SNDRV_PCM_FMTBIT_U16_LE | \
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SNDRV_PCM_FMTBIT_S24_LE | \
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SNDRV_PCM_FMTBIT_U24_LE | \
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SNDRV_PCM_FMTBIT_S32_LE | \
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SNDRV_PCM_FMTBIT_U32_LE | \
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SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE)
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#define STUB_HDMI_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
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SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
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SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
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SNDRV_PCM_RATE_192000)
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static int hdac_hda_dai_open(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai);
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static void hdac_hda_dai_close(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai);
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static int hdac_hda_dai_prepare(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai);
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static int hdac_hda_dai_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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static int hdac_hda_dai_hw_free(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai);
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static int hdac_hda_dai_set_stream(struct snd_soc_dai *dai, void *stream,
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int direction);
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static struct hda_pcm *snd_soc_find_pcm_from_dai(struct hdac_hda_priv *hda_pvt,
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struct snd_soc_dai *dai);
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static const struct snd_soc_dai_ops hdac_hda_dai_ops = {
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.startup = hdac_hda_dai_open,
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.shutdown = hdac_hda_dai_close,
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.prepare = hdac_hda_dai_prepare,
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.hw_params = hdac_hda_dai_hw_params,
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.hw_free = hdac_hda_dai_hw_free,
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.set_stream = hdac_hda_dai_set_stream,
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};
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static struct snd_soc_dai_driver hdac_hda_dais[] = {
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{
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.id = HDAC_ANALOG_DAI_ID,
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.name = "Analog Codec DAI",
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.ops = &hdac_hda_dai_ops,
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.playback = {
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.stream_name = "Analog Codec Playback",
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.channels_min = 1,
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.channels_max = 16,
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.rates = SNDRV_PCM_RATE_8000_192000,
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.formats = STUB_FORMATS,
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.sig_bits = 24,
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},
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.capture = {
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.stream_name = "Analog Codec Capture",
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.channels_min = 1,
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.channels_max = 16,
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.rates = SNDRV_PCM_RATE_8000_192000,
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.formats = STUB_FORMATS,
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.sig_bits = 24,
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},
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},
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{
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.id = HDAC_DIGITAL_DAI_ID,
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.name = "Digital Codec DAI",
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.ops = &hdac_hda_dai_ops,
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.playback = {
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.stream_name = "Digital Codec Playback",
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.channels_min = 1,
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.channels_max = 16,
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.rates = SNDRV_PCM_RATE_8000_192000,
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.formats = STUB_FORMATS,
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.sig_bits = 24,
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},
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.capture = {
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.stream_name = "Digital Codec Capture",
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.channels_min = 1,
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.channels_max = 16,
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.rates = SNDRV_PCM_RATE_8000_192000,
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.formats = STUB_FORMATS,
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.sig_bits = 24,
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},
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},
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{
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.id = HDAC_ALT_ANALOG_DAI_ID,
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.name = "Alt Analog Codec DAI",
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.ops = &hdac_hda_dai_ops,
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.playback = {
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.stream_name = "Alt Analog Codec Playback",
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.channels_min = 1,
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.channels_max = 16,
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.rates = SNDRV_PCM_RATE_8000_192000,
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.formats = STUB_FORMATS,
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.sig_bits = 24,
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},
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.capture = {
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.stream_name = "Alt Analog Codec Capture",
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.channels_min = 1,
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.channels_max = 16,
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.rates = SNDRV_PCM_RATE_8000_192000,
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.formats = STUB_FORMATS,
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.sig_bits = 24,
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},
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},
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{
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.id = HDAC_HDMI_0_DAI_ID,
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.name = "intel-hdmi-hifi1",
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.ops = &hdac_hda_dai_ops,
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.playback = {
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.stream_name = "hifi1",
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.channels_min = 1,
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.channels_max = 32,
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.rates = STUB_HDMI_RATES,
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.formats = STUB_FORMATS,
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.sig_bits = 24,
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},
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},
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{
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.id = HDAC_HDMI_1_DAI_ID,
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.name = "intel-hdmi-hifi2",
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.ops = &hdac_hda_dai_ops,
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.playback = {
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.stream_name = "hifi2",
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.channels_min = 1,
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.channels_max = 32,
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.rates = STUB_HDMI_RATES,
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.formats = STUB_FORMATS,
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.sig_bits = 24,
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},
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},
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{
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.id = HDAC_HDMI_2_DAI_ID,
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.name = "intel-hdmi-hifi3",
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.ops = &hdac_hda_dai_ops,
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.playback = {
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.stream_name = "hifi3",
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.channels_min = 1,
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.channels_max = 32,
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.rates = STUB_HDMI_RATES,
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.formats = STUB_FORMATS,
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.sig_bits = 24,
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},
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},
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{
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.id = HDAC_HDMI_3_DAI_ID,
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.name = "intel-hdmi-hifi4",
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.ops = &hdac_hda_dai_ops,
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.playback = {
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.stream_name = "hifi4",
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.channels_min = 1,
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.channels_max = 32,
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.rates = STUB_HDMI_RATES,
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.formats = STUB_FORMATS,
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.sig_bits = 24,
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},
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},
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};
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static int hdac_hda_dai_set_stream(struct snd_soc_dai *dai,
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void *stream, int direction)
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{
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struct snd_soc_component *component = dai->component;
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struct hdac_hda_priv *hda_pvt;
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struct hdac_hda_pcm *pcm;
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struct hdac_stream *hstream;
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if (!stream)
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return -EINVAL;
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hda_pvt = snd_soc_component_get_drvdata(component);
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pcm = &hda_pvt->pcm[dai->id];
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hstream = (struct hdac_stream *)stream;
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pcm->stream_tag[direction] = hstream->stream_tag;
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return 0;
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}
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static int hdac_hda_dai_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 snd_soc_component *component = dai->component;
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struct hdac_hda_priv *hda_pvt;
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unsigned int format_val;
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unsigned int maxbps;
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
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maxbps = dai->driver->playback.sig_bits;
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else
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maxbps = dai->driver->capture.sig_bits;
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hda_pvt = snd_soc_component_get_drvdata(component);
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format_val = snd_hdac_calc_stream_format(params_rate(params),
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params_channels(params),
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params_format(params),
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maxbps,
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0);
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if (!format_val) {
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dev_err(dai->dev,
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"invalid format_val, rate=%d, ch=%d, format=%d, maxbps=%d\n",
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params_rate(params), params_channels(params),
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params_format(params), maxbps);
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return -EINVAL;
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}
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hda_pvt->pcm[dai->id].format_val[substream->stream] = format_val;
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return 0;
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}
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static int hdac_hda_dai_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 snd_soc_component *component = dai->component;
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struct hdac_hda_priv *hda_pvt;
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struct hda_pcm_stream *hda_stream;
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struct hda_pcm *pcm;
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hda_pvt = snd_soc_component_get_drvdata(component);
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pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai);
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if (!pcm)
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return -EINVAL;
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hda_stream = &pcm->stream[substream->stream];
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snd_hda_codec_cleanup(hda_pvt->codec, hda_stream, substream);
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return 0;
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}
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static int hdac_hda_dai_prepare(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_component *component = dai->component;
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struct hda_pcm_stream *hda_stream;
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struct hdac_hda_priv *hda_pvt;
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struct hdac_device *hdev;
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unsigned int format_val;
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struct hda_pcm *pcm;
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unsigned int stream;
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int ret = 0;
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hda_pvt = snd_soc_component_get_drvdata(component);
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hdev = &hda_pvt->codec->core;
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pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai);
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if (!pcm)
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return -EINVAL;
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hda_stream = &pcm->stream[substream->stream];
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stream = hda_pvt->pcm[dai->id].stream_tag[substream->stream];
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format_val = hda_pvt->pcm[dai->id].format_val[substream->stream];
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ret = snd_hda_codec_prepare(hda_pvt->codec, hda_stream,
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stream, format_val, substream);
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if (ret < 0)
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dev_err(&hdev->dev, "codec prepare failed %d\n", ret);
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return ret;
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}
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static int hdac_hda_dai_open(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_component *component = dai->component;
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struct hdac_hda_priv *hda_pvt;
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struct hda_pcm_stream *hda_stream;
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struct hda_pcm *pcm;
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hda_pvt = snd_soc_component_get_drvdata(component);
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pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai);
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if (!pcm)
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return -EINVAL;
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snd_hda_codec_pcm_get(pcm);
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hda_stream = &pcm->stream[substream->stream];
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return hda_stream->ops.open(hda_stream, hda_pvt->codec, substream);
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}
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static void hdac_hda_dai_close(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_component *component = dai->component;
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struct hdac_hda_priv *hda_pvt;
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struct hda_pcm_stream *hda_stream;
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struct hda_pcm *pcm;
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hda_pvt = snd_soc_component_get_drvdata(component);
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pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai);
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if (!pcm)
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return;
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hda_stream = &pcm->stream[substream->stream];
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hda_stream->ops.close(hda_stream, hda_pvt->codec, substream);
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snd_hda_codec_pcm_put(pcm);
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}
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static struct hda_pcm *snd_soc_find_pcm_from_dai(struct hdac_hda_priv *hda_pvt,
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struct snd_soc_dai *dai)
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{
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struct hda_codec *hcodec = hda_pvt->codec;
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struct hda_pcm *cpcm;
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const char *pcm_name;
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/*
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* map DAI ID to the closest matching PCM name, using the naming
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* scheme used by hda-codec snd_hda_gen_build_pcms() and for
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* HDMI in hda_codec patch_hdmi.c)
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*/
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switch (dai->id) {
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case HDAC_ANALOG_DAI_ID:
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pcm_name = "Analog";
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break;
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case HDAC_DIGITAL_DAI_ID:
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pcm_name = "Digital";
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break;
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case HDAC_ALT_ANALOG_DAI_ID:
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pcm_name = "Alt Analog";
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break;
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case HDAC_HDMI_0_DAI_ID:
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pcm_name = "HDMI 0";
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break;
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case HDAC_HDMI_1_DAI_ID:
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pcm_name = "HDMI 1";
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break;
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case HDAC_HDMI_2_DAI_ID:
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pcm_name = "HDMI 2";
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break;
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case HDAC_HDMI_3_DAI_ID:
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pcm_name = "HDMI 3";
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break;
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default:
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dev_err(&hcodec->core.dev, "invalid dai id %d\n", dai->id);
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return NULL;
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}
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list_for_each_entry(cpcm, &hcodec->pcm_list_head, list) {
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if (strstr(cpcm->name, pcm_name)) {
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if (strcmp(pcm_name, "Analog") == 0) {
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if (strstr(cpcm->name, "Alt Analog"))
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continue;
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}
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return cpcm;
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}
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}
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dev_err(&hcodec->core.dev, "didn't find PCM for DAI %s\n", dai->name);
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return NULL;
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}
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static bool is_hdmi_codec(struct hda_codec *hcodec)
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{
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struct hda_pcm *cpcm;
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list_for_each_entry(cpcm, &hcodec->pcm_list_head, list) {
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if (cpcm->pcm_type == HDA_PCM_TYPE_HDMI)
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return true;
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}
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return false;
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}
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static int hdac_hda_codec_probe(struct snd_soc_component *component)
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{
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struct hdac_hda_priv *hda_pvt =
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snd_soc_component_get_drvdata(component);
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struct snd_soc_dapm_context *dapm =
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snd_soc_component_get_dapm(component);
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struct hdac_device *hdev = &hda_pvt->codec->core;
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struct hda_codec *hcodec = hda_pvt->codec;
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struct hdac_ext_link *hlink;
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hda_codec_patch_t patch;
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int ret;
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hlink = snd_hdac_ext_bus_get_hlink_by_name(hdev->bus, dev_name(&hdev->dev));
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if (!hlink) {
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dev_err(&hdev->dev, "hdac link not found\n");
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return -EIO;
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}
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snd_hdac_ext_bus_link_get(hdev->bus, hlink);
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/*
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* Ensure any HDA display is powered at codec probe.
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* After snd_hda_codec_device_new(), display power is
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* managed by runtime PM.
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*/
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if (hda_pvt->need_display_power)
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snd_hdac_display_power(hdev->bus,
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HDA_CODEC_IDX_CONTROLLER, true);
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ret = snd_hda_codec_device_new(hcodec->bus, component->card->snd_card,
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hdev->addr, hcodec, true);
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if (ret < 0) {
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dev_err(&hdev->dev, "failed to create hda codec %d\n", ret);
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goto error_no_pm;
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}
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/*
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* Overwrite type to HDA_DEV_ASOC since it is a ASoC driver
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* hda_codec.c will check this flag to determine if unregister
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* device is needed.
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*/
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hdev->type = HDA_DEV_ASOC;
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/*
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* snd_hda_codec_device_new decrements the usage count so call get pm
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* else the device will be powered off
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*/
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pm_runtime_get_noresume(&hdev->dev);
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hcodec->bus->card = dapm->card->snd_card;
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ret = snd_hda_codec_set_name(hcodec, hcodec->preset->name);
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if (ret < 0) {
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dev_err(&hdev->dev, "name failed %s\n", hcodec->preset->name);
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goto error_pm;
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}
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ret = snd_hdac_regmap_init(&hcodec->core);
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if (ret < 0) {
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dev_err(&hdev->dev, "regmap init failed\n");
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goto error_pm;
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}
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patch = (hda_codec_patch_t)hcodec->preset->driver_data;
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if (patch) {
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ret = patch(hcodec);
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if (ret < 0) {
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dev_err(&hdev->dev, "patch failed %d\n", ret);
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goto error_regmap;
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}
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} else {
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dev_dbg(&hdev->dev, "no patch file found\n");
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}
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ret = snd_hda_codec_parse_pcms(hcodec);
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if (ret < 0) {
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dev_err(&hdev->dev, "unable to map pcms to dai %d\n", ret);
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goto error_patch;
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}
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/* HDMI controls need to be created in machine drivers */
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if (!is_hdmi_codec(hcodec)) {
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ret = snd_hda_codec_build_controls(hcodec);
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if (ret < 0) {
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dev_err(&hdev->dev, "unable to create controls %d\n",
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ret);
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goto error_patch;
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|
}
|
|
}
|
|
|
|
hcodec->core.lazy_cache = true;
|
|
|
|
if (hda_pvt->need_display_power)
|
|
snd_hdac_display_power(hdev->bus,
|
|
HDA_CODEC_IDX_CONTROLLER, false);
|
|
|
|
/* match for forbid call in snd_hda_codec_device_new() */
|
|
pm_runtime_allow(&hdev->dev);
|
|
|
|
/*
|
|
* hdac_device core already sets the state to active and calls
|
|
* get_noresume. So enable runtime and set the device to suspend.
|
|
* pm_runtime_enable is also called during codec registeration
|
|
*/
|
|
pm_runtime_put(&hdev->dev);
|
|
pm_runtime_suspend(&hdev->dev);
|
|
|
|
return 0;
|
|
|
|
error_patch:
|
|
if (hcodec->patch_ops.free)
|
|
hcodec->patch_ops.free(hcodec);
|
|
error_regmap:
|
|
snd_hdac_regmap_exit(hdev);
|
|
error_pm:
|
|
pm_runtime_put(&hdev->dev);
|
|
error_no_pm:
|
|
snd_hdac_ext_bus_link_put(hdev->bus, hlink);
|
|
return ret;
|
|
}
|
|
|
|
static void hdac_hda_codec_remove(struct snd_soc_component *component)
|
|
{
|
|
struct hdac_hda_priv *hda_pvt =
|
|
snd_soc_component_get_drvdata(component);
|
|
struct hdac_device *hdev = &hda_pvt->codec->core;
|
|
struct hda_codec *codec = hda_pvt->codec;
|
|
struct hdac_ext_link *hlink = NULL;
|
|
|
|
hlink = snd_hdac_ext_bus_get_hlink_by_name(hdev->bus, dev_name(&hdev->dev));
|
|
if (!hlink) {
|
|
dev_err(&hdev->dev, "hdac link not found\n");
|
|
return;
|
|
}
|
|
|
|
pm_runtime_disable(&hdev->dev);
|
|
snd_hdac_ext_bus_link_put(hdev->bus, hlink);
|
|
|
|
if (codec->patch_ops.free)
|
|
codec->patch_ops.free(codec);
|
|
|
|
snd_hda_codec_cleanup_for_unbind(codec);
|
|
}
|
|
|
|
static const struct snd_soc_dapm_route hdac_hda_dapm_routes[] = {
|
|
{"AIF1TX", NULL, "Codec Input Pin1"},
|
|
{"AIF2TX", NULL, "Codec Input Pin2"},
|
|
{"AIF3TX", NULL, "Codec Input Pin3"},
|
|
|
|
{"Codec Output Pin1", NULL, "AIF1RX"},
|
|
{"Codec Output Pin2", NULL, "AIF2RX"},
|
|
{"Codec Output Pin3", NULL, "AIF3RX"},
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget hdac_hda_dapm_widgets[] = {
|
|
/* Audio Interface */
|
|
SND_SOC_DAPM_AIF_IN("AIF1RX", "Analog Codec Playback", 0,
|
|
SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_AIF_IN("AIF2RX", "Digital Codec Playback", 0,
|
|
SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_AIF_IN("AIF3RX", "Alt Analog Codec Playback", 0,
|
|
SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_AIF_OUT("AIF1TX", "Analog Codec Capture", 0,
|
|
SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_AIF_OUT("AIF2TX", "Digital Codec Capture", 0,
|
|
SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_AIF_OUT("AIF3TX", "Alt Analog Codec Capture", 0,
|
|
SND_SOC_NOPM, 0, 0),
|
|
|
|
/* Input Pins */
|
|
SND_SOC_DAPM_INPUT("Codec Input Pin1"),
|
|
SND_SOC_DAPM_INPUT("Codec Input Pin2"),
|
|
SND_SOC_DAPM_INPUT("Codec Input Pin3"),
|
|
|
|
/* Output Pins */
|
|
SND_SOC_DAPM_OUTPUT("Codec Output Pin1"),
|
|
SND_SOC_DAPM_OUTPUT("Codec Output Pin2"),
|
|
SND_SOC_DAPM_OUTPUT("Codec Output Pin3"),
|
|
};
|
|
|
|
static const struct snd_soc_component_driver hdac_hda_codec = {
|
|
.probe = hdac_hda_codec_probe,
|
|
.remove = hdac_hda_codec_remove,
|
|
.dapm_widgets = hdac_hda_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(hdac_hda_dapm_widgets),
|
|
.dapm_routes = hdac_hda_dapm_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(hdac_hda_dapm_routes),
|
|
.idle_bias_on = false,
|
|
.endianness = 1,
|
|
};
|
|
|
|
static int hdac_hda_dev_probe(struct hdac_device *hdev)
|
|
{
|
|
struct hdac_ext_link *hlink;
|
|
int ret;
|
|
|
|
/* hold the ref while we probe */
|
|
hlink = snd_hdac_ext_bus_get_hlink_by_name(hdev->bus, dev_name(&hdev->dev));
|
|
if (!hlink) {
|
|
dev_err(&hdev->dev, "hdac link not found\n");
|
|
return -EIO;
|
|
}
|
|
snd_hdac_ext_bus_link_get(hdev->bus, hlink);
|
|
|
|
/* ASoC specific initialization */
|
|
ret = devm_snd_soc_register_component(&hdev->dev,
|
|
&hdac_hda_codec, hdac_hda_dais,
|
|
ARRAY_SIZE(hdac_hda_dais));
|
|
if (ret < 0) {
|
|
dev_err(&hdev->dev, "failed to register HDA codec %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
snd_hdac_ext_bus_link_put(hdev->bus, hlink);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int hdac_hda_dev_remove(struct hdac_device *hdev)
|
|
{
|
|
/*
|
|
* Resources are freed in hdac_hda_codec_remove(). This
|
|
* function is kept to keep hda_codec_driver_remove() happy.
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
static struct hdac_ext_bus_ops hdac_ops = {
|
|
.hdev_attach = hdac_hda_dev_probe,
|
|
.hdev_detach = hdac_hda_dev_remove,
|
|
};
|
|
|
|
struct hdac_ext_bus_ops *snd_soc_hdac_hda_get_ops(void)
|
|
{
|
|
return &hdac_ops;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_hdac_hda_get_ops);
|
|
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_DESCRIPTION("ASoC Extensions for legacy HDA Drivers");
|
|
MODULE_AUTHOR("Rakesh Ughreja<rakesh.a.ughreja@intel.com>");
|