diff options
Diffstat (limited to 'sound/soc/qcom/sc8280xp.c')
| -rw-r--r-- | sound/soc/qcom/sc8280xp.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/sound/soc/qcom/sc8280xp.c b/sound/soc/qcom/sc8280xp.c new file mode 100644 index 000000000000..7925aa3f63ba --- /dev/null +++ b/sound/soc/qcom/sc8280xp.c @@ -0,0 +1,194 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2022, Linaro Limited + +#include <dt-bindings/sound/qcom,q6afe.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <linux/soundwire/sdw.h> +#include <sound/jack.h> +#include <linux/input-event-codes.h> +#include "qdsp6/q6afe.h" +#include "common.h" +#include "sdw.h" + +struct sc8280xp_snd_data { + bool stream_prepared[AFE_PORT_MAX]; + struct snd_soc_card *card; + struct snd_soc_jack jack; + struct snd_soc_jack dp_jack[8]; + bool jack_setup; +}; + +static int sc8280xp_snd_init(struct snd_soc_pcm_runtime *rtd) +{ + struct sc8280xp_snd_data *data = snd_soc_card_get_drvdata(rtd->card); + struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); + struct snd_soc_card *card = rtd->card; + struct snd_soc_jack *dp_jack = NULL; + int dp_pcm_id = 0; + + switch (cpu_dai->id) { + case PRIMARY_MI2S_RX...QUATERNARY_MI2S_TX: + case QUINARY_MI2S_RX...QUINARY_MI2S_TX: + snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_BP_FP); + break; + case WSA_CODEC_DMA_RX_0: + case WSA_CODEC_DMA_RX_1: + /* + * Set limit of -3 dB on Digital Volume and 0 dB on PA Volume + * to reduce the risk of speaker damage until we have active + * speaker protection in place. + */ + snd_soc_limit_volume(card, "WSA_RX0 Digital Volume", 81); + snd_soc_limit_volume(card, "WSA_RX1 Digital Volume", 81); + snd_soc_limit_volume(card, "SpkrLeft PA Volume", 17); + snd_soc_limit_volume(card, "SpkrRight PA Volume", 17); + break; + case DISPLAY_PORT_RX_0: + /* DISPLAY_PORT dai ids are not contiguous */ + dp_pcm_id = 0; + dp_jack = &data->dp_jack[dp_pcm_id]; + break; + case DISPLAY_PORT_RX_1 ... DISPLAY_PORT_RX_7: + dp_pcm_id = cpu_dai->id - DISPLAY_PORT_RX_1 + 1; + dp_jack = &data->dp_jack[dp_pcm_id]; + break; + default: + break; + } + + if (dp_jack) + return qcom_snd_dp_jack_setup(rtd, dp_jack, dp_pcm_id); + + return qcom_snd_wcd_jack_setup(rtd, &data->jack, &data->jack_setup); +} + +static int sc8280xp_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); + struct snd_interval *rate = hw_param_interval(params, + SNDRV_PCM_HW_PARAM_RATE); + struct snd_interval *channels = hw_param_interval(params, + SNDRV_PCM_HW_PARAM_CHANNELS); + struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); + + rate->min = rate->max = 48000; + snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE); + channels->min = 2; + channels->max = 2; + switch (cpu_dai->id) { + case TX_CODEC_DMA_TX_0: + case TX_CODEC_DMA_TX_1: + case TX_CODEC_DMA_TX_2: + case TX_CODEC_DMA_TX_3: + channels->min = 1; + break; + default: + break; + } + + + return 0; +} + +static int sc8280xp_snd_prepare(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); + struct sc8280xp_snd_data *data = snd_soc_card_get_drvdata(rtd->card); + + return qcom_snd_sdw_prepare(substream, &data->stream_prepared[cpu_dai->id]); +} + +static int sc8280xp_snd_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct sc8280xp_snd_data *data = snd_soc_card_get_drvdata(rtd->card); + struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); + + return qcom_snd_sdw_hw_free(substream, &data->stream_prepared[cpu_dai->id]); +} + +static const struct snd_soc_ops sc8280xp_be_ops = { + .startup = qcom_snd_sdw_startup, + .shutdown = qcom_snd_sdw_shutdown, + .hw_free = sc8280xp_snd_hw_free, + .prepare = sc8280xp_snd_prepare, +}; + +static void sc8280xp_add_be_ops(struct snd_soc_card *card) +{ + struct snd_soc_dai_link *link; + int i; + + for_each_card_prelinks(card, i, link) { + if (link->no_pcm == 1) { + link->init = sc8280xp_snd_init; + link->be_hw_params_fixup = sc8280xp_be_hw_params_fixup; + link->ops = &sc8280xp_be_ops; + } + } +} + +static int sc8280xp_platform_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card; + struct sc8280xp_snd_data *data; + struct device *dev = &pdev->dev; + int ret; + + card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); + if (!card) + return -ENOMEM; + card->owner = THIS_MODULE; + /* Allocate the private data */ + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + card->dev = dev; + dev_set_drvdata(dev, card); + snd_soc_card_set_drvdata(card, data); + ret = qcom_snd_parse_of(card); + if (ret) + return ret; + + card->driver_name = of_device_get_match_data(dev); + sc8280xp_add_be_ops(card); + return devm_snd_soc_register_card(dev, card); +} + +static const struct of_device_id snd_sc8280xp_dt_match[] = { + {.compatible = "qcom,kaanapali-sndcard", "kaanapali"}, + {.compatible = "qcom,qcm6490-idp-sndcard", "qcm6490"}, + {.compatible = "qcom,qcs615-sndcard", "qcs615"}, + {.compatible = "qcom,qcs6490-rb3gen2-sndcard", "qcs6490"}, + {.compatible = "qcom,qcs8275-sndcard", "qcs8300"}, + {.compatible = "qcom,qcs9075-sndcard", "sa8775p"}, + {.compatible = "qcom,qcs9100-sndcard", "sa8775p"}, + {.compatible = "qcom,sc8280xp-sndcard", "sc8280xp"}, + {.compatible = "qcom,sm8450-sndcard", "sm8450"}, + {.compatible = "qcom,sm8550-sndcard", "sm8550"}, + {.compatible = "qcom,sm8650-sndcard", "sm8650"}, + {.compatible = "qcom,sm8750-sndcard", "sm8750"}, + {} +}; + +MODULE_DEVICE_TABLE(of, snd_sc8280xp_dt_match); + +static struct platform_driver snd_sc8280xp_driver = { + .probe = sc8280xp_platform_probe, + .driver = { + .name = "snd-sc8280xp", + .of_match_table = snd_sc8280xp_dt_match, + }, +}; +module_platform_driver(snd_sc8280xp_driver); +MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org"); +MODULE_DESCRIPTION("SC8280XP ASoC Machine Driver"); +MODULE_LICENSE("GPL"); |