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7a2ba46f36
Align with recent change to forbid runtime suspend during codec init in snd_hda_codec_device_new(), with matching call to allow suspend at end of hdac_hda_codec_probe(). In snd-hda-intel, call to snd_hda_set_power_save() at end of controller probe does the same thing, but ASoC controller drivers do not modify runtime settings for codecs, so this has to be done in codec drivers, and in this case in hdac_hda. Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Acked-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20200930114140.3839617-3-kai.vehmanen@linux.intel.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
634 lines
16 KiB
C
634 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_tdm_slot(struct snd_soc_dai *dai,
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unsigned int tx_mask, unsigned int rx_mask,
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int slots, int slot_width);
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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_tdm_slot = hdac_hda_dai_set_tdm_slot,
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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_tdm_slot(struct snd_soc_dai *dai,
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unsigned int tx_mask, unsigned int rx_mask,
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int slots, int slot_width)
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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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hda_pvt = snd_soc_component_get_drvdata(component);
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pcm = &hda_pvt->pcm[dai->id];
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if (tx_mask)
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pcm->stream_tag[SNDRV_PCM_STREAM_PLAYBACK] = tx_mask;
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else
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pcm->stream_tag[SNDRV_PCM_STREAM_CAPTURE] = rx_mask;
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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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return cpcm;
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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_link(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);
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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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/* configure codec for 1:1 PCM:DAI mapping */
|
|
hcodec->mst_no_extra_pcms = 1;
|
|
|
|
ret = snd_hda_codec_parse_pcms(hcodec);
|
|
if (ret < 0) {
|
|
dev_err(&hdev->dev, "unable to map pcms to dai %d\n", ret);
|
|
goto error_patch;
|
|
}
|
|
|
|
/* HDMI controls need to be created in machine drivers */
|
|
if (!is_hdmi_codec(hcodec)) {
|
|
ret = snd_hda_codec_build_controls(hcodec);
|
|
if (ret < 0) {
|
|
dev_err(&hdev->dev, "unable to create controls %d\n",
|
|
ret);
|
|
goto error_patch;
|
|
}
|
|
}
|
|
|
|
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_link(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,
|
|
.idle_bias_on = false,
|
|
.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),
|
|
};
|
|
|
|
static int hdac_hda_dev_probe(struct hdac_device *hdev)
|
|
{
|
|
struct hdac_ext_link *hlink;
|
|
struct hdac_hda_priv *hda_pvt;
|
|
int ret;
|
|
|
|
/* hold the ref while we probe */
|
|
hlink = snd_hdac_ext_bus_get_link(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);
|
|
|
|
hda_pvt = hdac_to_hda_priv(hdev);
|
|
if (!hda_pvt)
|
|
return -ENOMEM;
|
|
|
|
/* 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;
|
|
}
|
|
|
|
dev_set_drvdata(&hdev->dev, hda_pvt);
|
|
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>");
|