diff options
Diffstat (limited to '')
-rw-r--r-- | sound/soc/codecs/hdmi-codec.c | 371 |
1 files changed, 273 insertions, 98 deletions
diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c index f005751da2cc..0b1cdb2d6049 100644 --- a/sound/soc/codecs/hdmi-codec.c +++ b/sound/soc/codecs/hdmi-codec.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only /* * ALSA SoC codec for HDMI encoder drivers - * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/ + * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/ * Author: Jyri Sarha <jsarha@ti.com> */ #include <linux/module.h> @@ -20,11 +20,6 @@ #define HDMI_CODEC_CHMAP_IDX_UNKNOWN -1 -struct hdmi_codec_channel_map_table { - unsigned char map; /* ALSA API channel map position */ - unsigned long spk_mask; /* speaker position bit mask */ -}; - /* * CEA speaker placement for HDMI 1.4: * @@ -278,10 +273,12 @@ struct hdmi_codec_priv { bool busy; struct snd_soc_jack *jack; unsigned int jack_status; + u8 iec_status[AES_IEC958_STATUS_SIZE]; }; static const struct snd_soc_dapm_widget hdmi_widgets[] = { SND_SOC_DAPM_OUTPUT("TX"), + SND_SOC_DAPM_OUTPUT("RX"), }; enum { @@ -385,10 +382,52 @@ static int hdmi_codec_chmap_ctl_get(struct snd_kcontrol *kcontrol, return 0; } +static int hdmi_codec_iec958_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; + uinfo->count = 1; + return 0; +} + +static int hdmi_codec_iec958_default_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct hdmi_codec_priv *hcp = snd_soc_component_get_drvdata(component); + + memcpy(ucontrol->value.iec958.status, hcp->iec_status, + sizeof(hcp->iec_status)); + + return 0; +} + +static int hdmi_codec_iec958_default_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct hdmi_codec_priv *hcp = snd_soc_component_get_drvdata(component); + + memcpy(hcp->iec_status, ucontrol->value.iec958.status, + sizeof(hcp->iec_status)); + + return 0; +} + +static int hdmi_codec_iec958_mask_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + memset(ucontrol->value.iec958.status, 0xff, + sizeof_field(struct hdmi_codec_priv, iec_status)); + + return 0; +} + static int hdmi_codec_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct hdmi_codec_priv *hcp = snd_soc_dai_get_drvdata(dai); + bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; int ret = 0; mutex_lock(&hcp->lock); @@ -404,7 +443,7 @@ static int hdmi_codec_startup(struct snd_pcm_substream *substream, goto err; } - if (hcp->hcd.ops->get_eld) { + if (tx && hcp->hcd.ops->get_eld) { ret = hcp->hcd.ops->get_eld(dai->dev->parent, hcp->hcd.data, hcp->eld, sizeof(hcp->eld)); if (ret) @@ -438,6 +477,42 @@ static void hdmi_codec_shutdown(struct snd_pcm_substream *substream, mutex_unlock(&hcp->lock); } +static int hdmi_codec_fill_codec_params(struct snd_soc_dai *dai, + unsigned int sample_width, + unsigned int sample_rate, + unsigned int channels, + struct hdmi_codec_params *hp) +{ + struct hdmi_codec_priv *hcp = snd_soc_dai_get_drvdata(dai); + int idx; + + /* Select a channel allocation that matches with ELD and pcm channels */ + idx = hdmi_codec_get_ch_alloc_table_idx(hcp, channels); + if (idx < 0) { + dev_err(dai->dev, "Not able to map channels to speakers (%d)\n", + idx); + hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN; + return idx; + } + + memset(hp, 0, sizeof(*hp)); + + hdmi_audio_infoframe_init(&hp->cea); + hp->cea.channels = channels; + hp->cea.coding_type = HDMI_AUDIO_CODING_TYPE_STREAM; + hp->cea.sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM; + hp->cea.sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM; + hp->cea.channel_allocation = hdmi_codec_channel_alloc[idx].ca_id; + + hp->sample_width = sample_width; + hp->sample_rate = sample_rate; + hp->channels = channels; + + hcp->chmap_idx = hdmi_codec_channel_alloc[idx].ca_id; + + return 0; +} + static int hdmi_codec_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) @@ -452,43 +527,71 @@ static int hdmi_codec_hw_params(struct snd_pcm_substream *substream, .dig_subframe = { 0 }, } }; - int ret, idx; + int ret; + + if (!hcp->hcd.ops->hw_params) + return 0; dev_dbg(dai->dev, "%s() width %d rate %d channels %d\n", __func__, params_width(params), params_rate(params), params_channels(params)); - ret = snd_pcm_create_iec958_consumer_hw_params(params, hp.iec.status, - sizeof(hp.iec.status)); + ret = hdmi_codec_fill_codec_params(dai, + params_width(params), + params_rate(params), + params_channels(params), + &hp); + if (ret < 0) + return ret; + + memcpy(hp.iec.status, hcp->iec_status, sizeof(hp.iec.status)); + ret = snd_pcm_fill_iec958_consumer_hw_params(params, hp.iec.status, + sizeof(hp.iec.status)); if (ret < 0) { dev_err(dai->dev, "Creating IEC958 channel status failed %d\n", ret); return ret; } - hdmi_audio_infoframe_init(&hp.cea); - hp.cea.channels = params_channels(params); - hp.cea.coding_type = HDMI_AUDIO_CODING_TYPE_STREAM; - hp.cea.sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM; - hp.cea.sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM; + cf->bit_fmt = params_format(params); + return hcp->hcd.ops->hw_params(dai->dev->parent, hcp->hcd.data, + cf, &hp); +} - /* Select a channel allocation that matches with ELD and pcm channels */ - idx = hdmi_codec_get_ch_alloc_table_idx(hcp, hp.cea.channels); - if (idx < 0) { - dev_err(dai->dev, "Not able to map channels to speakers (%d)\n", - idx); - hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN; - return idx; - } - hp.cea.channel_allocation = hdmi_codec_channel_alloc[idx].ca_id; - hcp->chmap_idx = hdmi_codec_channel_alloc[idx].ca_id; +static int hdmi_codec_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct hdmi_codec_priv *hcp = snd_soc_dai_get_drvdata(dai); + struct hdmi_codec_daifmt *cf = dai->playback_dma_data; + struct snd_pcm_runtime *runtime = substream->runtime; + unsigned int channels = runtime->channels; + unsigned int width = snd_pcm_format_width(runtime->format); + unsigned int rate = runtime->rate; + struct hdmi_codec_params hp; + int ret; - hp.sample_width = params_width(params); - hp.sample_rate = params_rate(params); - hp.channels = params_channels(params); + if (!hcp->hcd.ops->prepare) + return 0; - return hcp->hcd.ops->hw_params(dai->dev->parent, hcp->hcd.data, - cf, &hp); + dev_dbg(dai->dev, "%s() width %d rate %d channels %d\n", __func__, + width, rate, channels); + + ret = hdmi_codec_fill_codec_params(dai, width, rate, channels, &hp); + if (ret < 0) + return ret; + + memcpy(hp.iec.status, hcp->iec_status, sizeof(hp.iec.status)); + ret = snd_pcm_fill_iec958_consumer(runtime, hp.iec.status, + sizeof(hp.iec.status)); + if (ret < 0) { + dev_err(dai->dev, "Creating IEC958 channel status failed %d\n", + ret); + return ret; + } + + cf->bit_fmt = runtime->format; + return hcp->hcd.ops->prepare(dai->dev->parent, hcp->hcd.data, + cf, &hp); } static int hdmi_codec_i2s_set_fmt(struct snd_soc_dai *dai, @@ -499,18 +602,18 @@ static int hdmi_codec_i2s_set_fmt(struct snd_soc_dai *dai, /* Reset daifmt */ memset(cf, 0, sizeof(*cf)); - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBM_CFM: - cf->bit_clk_master = 1; - cf->frame_clk_master = 1; + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_CBP_CFP: + cf->bit_clk_provider = 1; + cf->frame_clk_provider = 1; break; - case SND_SOC_DAIFMT_CBS_CFM: - cf->frame_clk_master = 1; + case SND_SOC_DAIFMT_CBC_CFP: + cf->frame_clk_provider = 1; break; - case SND_SOC_DAIFMT_CBM_CFS: - cf->bit_clk_master = 1; + case SND_SOC_DAIFMT_CBP_CFC: + cf->bit_clk_provider = 1; break; - case SND_SOC_DAIFMT_CBS_CFS: + case SND_SOC_DAIFMT_CBC_CFC: break; default: return -EINVAL; @@ -558,30 +661,61 @@ static int hdmi_codec_i2s_set_fmt(struct snd_soc_dai *dai, return 0; } -static int hdmi_codec_digital_mute(struct snd_soc_dai *dai, int mute) +static int hdmi_codec_mute(struct snd_soc_dai *dai, int mute, int direction) { struct hdmi_codec_priv *hcp = snd_soc_dai_get_drvdata(dai); - if (hcp->hcd.ops->digital_mute) - return hcp->hcd.ops->digital_mute(dai->dev->parent, - hcp->hcd.data, mute); - - return 0; + /* + * ignore if direction was CAPTURE + * and it had .no_capture_mute flag + * see + * snd_soc_dai_digital_mute() + */ + if (hcp->hcd.ops->mute_stream && + (direction == SNDRV_PCM_STREAM_PLAYBACK || + !hcp->hcd.ops->no_capture_mute)) + return hcp->hcd.ops->mute_stream(dai->dev->parent, + hcp->hcd.data, + mute, direction); + + return -ENOTSUPP; } +/* + * This driver can select all SND_SOC_DAIFMT_CBx_CFx, + * but need to be selected from Sound Card, not be auto selected. + * Because it might be used from other driver. + * For example, + * ${LINUX}/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c + */ +static u64 hdmi_codec_formats = + SND_SOC_POSSIBLE_DAIFMT_NB_NF | + SND_SOC_POSSIBLE_DAIFMT_NB_IF | + SND_SOC_POSSIBLE_DAIFMT_IB_NF | + SND_SOC_POSSIBLE_DAIFMT_IB_IF | + SND_SOC_POSSIBLE_DAIFMT_I2S | + SND_SOC_POSSIBLE_DAIFMT_DSP_A | + SND_SOC_POSSIBLE_DAIFMT_DSP_B | + SND_SOC_POSSIBLE_DAIFMT_RIGHT_J | + SND_SOC_POSSIBLE_DAIFMT_LEFT_J | + SND_SOC_POSSIBLE_DAIFMT_AC97; + static const struct snd_soc_dai_ops hdmi_codec_i2s_dai_ops = { .startup = hdmi_codec_startup, .shutdown = hdmi_codec_shutdown, .hw_params = hdmi_codec_hw_params, + .prepare = hdmi_codec_prepare, .set_fmt = hdmi_codec_i2s_set_fmt, - .digital_mute = hdmi_codec_digital_mute, + .mute_stream = hdmi_codec_mute, + .auto_selectable_formats = &hdmi_codec_formats, + .num_auto_selectable_formats = 1, }; static const struct snd_soc_dai_ops hdmi_codec_spdif_dai_ops = { .startup = hdmi_codec_startup, .shutdown = hdmi_codec_shutdown, .hw_params = hdmi_codec_hw_params, - .digital_mute = hdmi_codec_digital_mute, + .mute_stream = hdmi_codec_mute, }; #define HDMI_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ @@ -589,10 +723,8 @@ static const struct snd_soc_dai_ops hdmi_codec_spdif_dai_ops = { SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\ SNDRV_PCM_RATE_192000) -#define SPDIF_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |\ - SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE |\ - SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |\ - SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE) +#define SPDIF_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ + SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_LE) /* * This list is only for formats allowed on the I2S bus. So there is @@ -602,27 +734,41 @@ static const struct snd_soc_dai_ops hdmi_codec_spdif_dai_ops = { * problems, we should add the video side driver an option to disable * them. */ -#define I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |\ - SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE |\ - SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |\ - SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE |\ - SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE) +#define I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ + SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_LE |\ + SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE) + +static struct snd_kcontrol_new hdmi_codec_controls[] = { + { + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK), + .info = hdmi_codec_iec958_info, + .get = hdmi_codec_iec958_mask_get, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), + .info = hdmi_codec_iec958_info, + .get = hdmi_codec_iec958_default_get, + .put = hdmi_codec_iec958_default_put, + }, + { + .access = (SNDRV_CTL_ELEM_ACCESS_READ | + SNDRV_CTL_ELEM_ACCESS_VOLATILE), + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = "ELD", + .info = hdmi_eld_ctl_info, + .get = hdmi_eld_ctl_get, + }, +}; static int hdmi_codec_pcm_new(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai) { struct snd_soc_dai_driver *drv = dai->driver; struct hdmi_codec_priv *hcp = snd_soc_dai_get_drvdata(dai); - struct snd_kcontrol *kctl; - struct snd_kcontrol_new hdmi_eld_ctl = { - .access = SNDRV_CTL_ELEM_ACCESS_READ | - SNDRV_CTL_ELEM_ACCESS_VOLATILE, - .iface = SNDRV_CTL_ELEM_IFACE_PCM, - .name = "ELD", - .info = hdmi_eld_ctl_info, - .get = hdmi_eld_ctl_get, - .device = rtd->pcm->device, - }; + unsigned int i; int ret; ret = snd_pcm_add_chmap_ctls(rtd->pcm, SNDRV_PCM_STREAM_PLAYBACK, @@ -639,30 +785,45 @@ static int hdmi_codec_pcm_new(struct snd_soc_pcm_runtime *rtd, hcp->chmap_info->chmap = hdmi_codec_stereo_chmaps; hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN; - /* add ELD ctl with the device number corresponding to the PCM stream */ - kctl = snd_ctl_new1(&hdmi_eld_ctl, dai->component); - if (!kctl) - return -ENOMEM; + for (i = 0; i < ARRAY_SIZE(hdmi_codec_controls); i++) { + struct snd_kcontrol *kctl; - return snd_ctl_add(rtd->card->snd_card, kctl); + /* add ELD ctl with the device number corresponding to the PCM stream */ + kctl = snd_ctl_new1(&hdmi_codec_controls[i], dai->component); + if (!kctl) + return -ENOMEM; + + kctl->id.device = rtd->pcm->device; + ret = snd_ctl_add(rtd->card->snd_card, kctl); + if (ret < 0) + return ret; + } + + return 0; } static int hdmi_dai_probe(struct snd_soc_dai *dai) { struct snd_soc_dapm_context *dapm; struct hdmi_codec_daifmt *daifmt; - struct snd_soc_dapm_route route = { - .sink = "TX", - .source = dai->driver->playback.stream_name, + struct snd_soc_dapm_route route[] = { + { + .sink = "TX", + .source = dai->driver->playback.stream_name, + }, + { + .sink = dai->driver->capture.stream_name, + .source = "RX", + }, }; int ret; dapm = snd_soc_component_get_dapm(dai->component); - ret = snd_soc_dapm_add_routes(dapm, &route, 1); + ret = snd_soc_dapm_add_routes(dapm, route, 2); if (ret) return ret; - daifmt = kzalloc(sizeof(*daifmt), GFP_KERNEL); + daifmt = devm_kzalloc(dai->dev, sizeof(*daifmt), GFP_KERNEL); if (!daifmt) return -ENOMEM; @@ -683,22 +844,24 @@ static void plugged_cb(struct device *dev, bool plugged) { struct hdmi_codec_priv *hcp = dev_get_drvdata(dev); - if (plugged) + if (plugged) { + if (hcp->hcd.ops->get_eld) { + hcp->hcd.ops->get_eld(dev->parent, hcp->hcd.data, + hcp->eld, sizeof(hcp->eld)); + } hdmi_codec_jack_report(hcp, SND_JACK_LINEOUT); - else + } else { hdmi_codec_jack_report(hcp, 0); + memset(hcp->eld, 0, sizeof(hcp->eld)); + } } -/** - * hdmi_codec_set_jack_detect - register HDMI plugged callback - * @component: the hdmi-codec instance - * @jack: ASoC jack to report (dis)connection events on - */ -int hdmi_codec_set_jack_detect(struct snd_soc_component *component, - struct snd_soc_jack *jack) +static int hdmi_codec_set_jack(struct snd_soc_component *component, + struct snd_soc_jack *jack, + void *data) { struct hdmi_codec_priv *hcp = snd_soc_component_get_drvdata(component); - int ret = -EOPNOTSUPP; + int ret = -ENOTSUPP; if (hcp->hcd.ops->hook_plugged_cb) { hcp->jack = jack; @@ -711,11 +874,10 @@ int hdmi_codec_set_jack_detect(struct snd_soc_component *component, } return ret; } -EXPORT_SYMBOL_GPL(hdmi_codec_set_jack_detect); static int hdmi_dai_spdif_probe(struct snd_soc_dai *dai) { - struct hdmi_codec_daifmt *cf = dai->playback_dma_data; + struct hdmi_codec_daifmt *cf; int ret; ret = hdmi_dai_probe(dai); @@ -728,17 +890,10 @@ static int hdmi_dai_spdif_probe(struct snd_soc_dai *dai) return 0; } -static int hdmi_codec_dai_remove(struct snd_soc_dai *dai) -{ - kfree(dai->playback_dma_data); - return 0; -} - static const struct snd_soc_dai_driver hdmi_i2s_dai = { .name = "i2s-hifi", .id = DAI_ID_I2S, .probe = hdmi_dai_probe, - .remove = hdmi_codec_dai_remove, .playback = { .stream_name = "I2S Playback", .channels_min = 2, @@ -747,6 +902,14 @@ static const struct snd_soc_dai_driver hdmi_i2s_dai = { .formats = I2S_FORMATS, .sig_bits = 24, }, + .capture = { + .stream_name = "Capture", + .channels_min = 2, + .channels_max = 8, + .rates = HDMI_RATES, + .formats = I2S_FORMATS, + .sig_bits = 24, + }, .ops = &hdmi_codec_i2s_dai_ops, .pcm_new = hdmi_codec_pcm_new, }; @@ -755,7 +918,6 @@ static const struct snd_soc_dai_driver hdmi_spdif_dai = { .name = "spdif-hifi", .id = DAI_ID_SPDIF, .probe = hdmi_dai_spdif_probe, - .remove = hdmi_codec_dai_remove, .playback = { .stream_name = "SPDIF Playback", .channels_min = 2, @@ -763,6 +925,13 @@ static const struct snd_soc_dai_driver hdmi_spdif_dai = { .rates = HDMI_RATES, .formats = SPDIF_FORMATS, }, + .capture = { + .stream_name = "Capture", + .channels_min = 2, + .channels_max = 2, + .rates = HDMI_RATES, + .formats = SPDIF_FORMATS, + }, .ops = &hdmi_codec_spdif_dai_ops, .pcm_new = hdmi_codec_pcm_new, }; @@ -796,7 +965,7 @@ static const struct snd_soc_component_driver hdmi_driver = { .idle_bias_on = 1, .use_pmdown_time = 1, .endianness = 1, - .non_legacy_dai_naming = 1, + .set_jack = hdmi_codec_set_jack, }; static int hdmi_codec_probe(struct platform_device *pdev) @@ -814,7 +983,8 @@ static int hdmi_codec_probe(struct platform_device *pdev) } dai_count = hcd->i2s + hcd->spdif; - if (dai_count < 1 || !hcd->ops || !hcd->ops->hw_params || + if (dai_count < 1 || !hcd->ops || + (!hcd->ops->hw_params && !hcd->ops->prepare) || !hcd->ops->audio_shutdown) { dev_err(dev, "%s: Invalid parameters\n", __func__); return -EINVAL; @@ -827,6 +997,11 @@ static int hdmi_codec_probe(struct platform_device *pdev) hcp->hcd = *hcd; mutex_init(&hcp->lock); + ret = snd_pcm_create_iec958_consumer_default(hcp->iec_status, + sizeof(hcp->iec_status)); + if (ret < 0) + return ret; + daidrv = devm_kcalloc(dev, dai_count, sizeof(*daidrv), GFP_KERNEL); if (!daidrv) return -ENOMEM; |