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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /sound/soc/samsung/speyside.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/samsung/speyside.c')
-rw-r--r-- | sound/soc/samsung/speyside.c | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/sound/soc/samsung/speyside.c b/sound/soc/samsung/speyside.c new file mode 100644 index 000000000..69d7b0115 --- /dev/null +++ b/sound/soc/samsung/speyside.c @@ -0,0 +1,354 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// Speyside audio support +// +// Copyright 2011 Wolfson Microelectronics + +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/jack.h> +#include <linux/gpio.h> +#include <linux/module.h> + +#include "../codecs/wm8996.h" +#include "../codecs/wm9081.h" + +#define WM8996_HPSEL_GPIO 214 +#define MCLK_AUDIO_RATE (512 * 48000) + +static int speyside_set_bias_level(struct snd_soc_card *card, + struct snd_soc_dapm_context *dapm, + enum snd_soc_bias_level level) +{ + struct snd_soc_pcm_runtime *rtd; + struct snd_soc_dai *codec_dai; + int ret; + + rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[1]); + codec_dai = asoc_rtd_to_codec(rtd, 0); + + if (dapm->dev != codec_dai->dev) + return 0; + + switch (level) { + case SND_SOC_BIAS_STANDBY: + ret = snd_soc_dai_set_sysclk(codec_dai, WM8996_SYSCLK_MCLK2, + 32768, SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_pll(codec_dai, WM8996_FLL_MCLK2, + 0, 0, 0); + if (ret < 0) { + pr_err("Failed to stop FLL\n"); + return ret; + } + break; + + default: + break; + } + + return 0; +} + +static int speyside_set_bias_level_post(struct snd_soc_card *card, + struct snd_soc_dapm_context *dapm, + enum snd_soc_bias_level level) +{ + struct snd_soc_pcm_runtime *rtd; + struct snd_soc_dai *codec_dai; + int ret; + + rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[1]); + codec_dai = asoc_rtd_to_codec(rtd, 0); + + if (dapm->dev != codec_dai->dev) + return 0; + + switch (level) { + case SND_SOC_BIAS_PREPARE: + if (card->dapm.bias_level == SND_SOC_BIAS_STANDBY) { + ret = snd_soc_dai_set_pll(codec_dai, 0, + WM8996_FLL_MCLK2, + 32768, MCLK_AUDIO_RATE); + if (ret < 0) { + pr_err("Failed to start FLL\n"); + return ret; + } + + ret = snd_soc_dai_set_sysclk(codec_dai, + WM8996_SYSCLK_FLL, + MCLK_AUDIO_RATE, + SND_SOC_CLOCK_IN); + if (ret < 0) + return ret; + } + break; + + default: + break; + } + + card->dapm.bias_level = level; + + return 0; +} + +static struct snd_soc_jack speyside_headset; + +/* Headset jack detection DAPM pins */ +static struct snd_soc_jack_pin speyside_headset_pins[] = { + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, +}; + +/* Default the headphone selection to active high */ +static int speyside_jack_polarity; + +static int speyside_get_micbias(struct snd_soc_dapm_widget *source, + struct snd_soc_dapm_widget *sink) +{ + if (speyside_jack_polarity && (strcmp(source->name, "MICB1") == 0)) + return 1; + if (!speyside_jack_polarity && (strcmp(source->name, "MICB2") == 0)) + return 1; + + return 0; +} + +static void speyside_set_polarity(struct snd_soc_component *component, + int polarity) +{ + speyside_jack_polarity = !polarity; + gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity); + + /* Re-run DAPM to make sure we're using the correct mic bias */ + snd_soc_dapm_sync(snd_soc_component_get_dapm(component)); +} + +static int speyside_wm0010_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); + int ret; + + ret = snd_soc_dai_set_sysclk(dai, 0, MCLK_AUDIO_RATE, 0); + if (ret < 0) + return ret; + + return 0; +} + +static int speyside_wm8996_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); + struct snd_soc_component *component = dai->component; + int ret; + + ret = snd_soc_dai_set_sysclk(dai, WM8996_SYSCLK_MCLK2, 32768, 0); + if (ret < 0) + return ret; + + ret = gpio_request(WM8996_HPSEL_GPIO, "HP_SEL"); + if (ret != 0) + pr_err("Failed to request HP_SEL GPIO: %d\n", ret); + gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity); + + ret = snd_soc_card_jack_new_pins(rtd->card, "Headset", + SND_JACK_LINEOUT | SND_JACK_HEADSET | + SND_JACK_BTN_0, + &speyside_headset, + speyside_headset_pins, + ARRAY_SIZE(speyside_headset_pins)); + if (ret) + return ret; + + wm8996_detect(component, &speyside_headset, speyside_set_polarity); + + return 0; +} + +static int speyside_late_probe(struct snd_soc_card *card) +{ + snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone"); + snd_soc_dapm_ignore_suspend(&card->dapm, "Headset Mic"); + snd_soc_dapm_ignore_suspend(&card->dapm, "Main AMIC"); + snd_soc_dapm_ignore_suspend(&card->dapm, "Main DMIC"); + snd_soc_dapm_ignore_suspend(&card->dapm, "Main Speaker"); + snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Output"); + snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Input"); + + return 0; +} + +static const struct snd_soc_pcm_stream dsp_codec_params = { + .formats = SNDRV_PCM_FMTBIT_S32_LE, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, +}; + +SND_SOC_DAILINK_DEFS(cpu_dsp, + DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")), + DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")), + DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0"))); + +SND_SOC_DAILINK_DEFS(dsp_codec, + DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")), + DAILINK_COMP_ARRAY(COMP_CODEC("wm8996.1-001a", "wm8996-aif1"))); + +SND_SOC_DAILINK_DEFS(baseband, + DAILINK_COMP_ARRAY(COMP_CPU("wm8996-aif2")), + DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1"))); + +static struct snd_soc_dai_link speyside_dai[] = { + { + .name = "CPU-DSP", + .stream_name = "CPU-DSP", + .init = speyside_wm0010_init, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + SND_SOC_DAILINK_REG(cpu_dsp), + }, + { + .name = "DSP-CODEC", + .stream_name = "DSP-CODEC", + .init = speyside_wm8996_init, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + .params = &dsp_codec_params, + .ignore_suspend = 1, + SND_SOC_DAILINK_REG(dsp_codec), + }, + { + .name = "Baseband", + .stream_name = "Baseband", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + .ignore_suspend = 1, + SND_SOC_DAILINK_REG(baseband), + }, +}; + +static int speyside_wm9081_init(struct snd_soc_component *component) +{ + /* At any time the WM9081 is active it will have this clock */ + return snd_soc_component_set_sysclk(component, WM9081_SYSCLK_MCLK, 0, + MCLK_AUDIO_RATE, 0); +} + +static struct snd_soc_aux_dev speyside_aux_dev[] = { + { + .dlc = COMP_AUX("wm9081.1-006c"), + .init = speyside_wm9081_init, + }, +}; + +static struct snd_soc_codec_conf speyside_codec_conf[] = { + { + .dlc = COMP_CODEC_CONF("wm9081.1-006c"), + .name_prefix = "Sub", + }, +}; + +static const struct snd_kcontrol_new controls[] = { + SOC_DAPM_PIN_SWITCH("Main Speaker"), + SOC_DAPM_PIN_SWITCH("Main DMIC"), + SOC_DAPM_PIN_SWITCH("Main AMIC"), + SOC_DAPM_PIN_SWITCH("WM1250 Input"), + SOC_DAPM_PIN_SWITCH("WM1250 Output"), + SOC_DAPM_PIN_SWITCH("Headphone"), +}; + +static const struct snd_soc_dapm_widget widgets[] = { + SND_SOC_DAPM_HP("Headphone", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + + SND_SOC_DAPM_SPK("Main Speaker", NULL), + + SND_SOC_DAPM_MIC("Main AMIC", NULL), + SND_SOC_DAPM_MIC("Main DMIC", NULL), +}; + +static const struct snd_soc_dapm_route audio_paths[] = { + { "IN1RN", NULL, "MICB1" }, + { "IN1RP", NULL, "MICB1" }, + { "IN1RN", NULL, "MICB2" }, + { "IN1RP", NULL, "MICB2" }, + { "MICB1", NULL, "Headset Mic", speyside_get_micbias }, + { "MICB2", NULL, "Headset Mic", speyside_get_micbias }, + + { "IN1LP", NULL, "MICB2" }, + { "IN1RN", NULL, "MICB1" }, + { "MICB2", NULL, "Main AMIC" }, + + { "DMIC1DAT", NULL, "MICB1" }, + { "DMIC2DAT", NULL, "MICB1" }, + { "MICB1", NULL, "Main DMIC" }, + + { "Headphone", NULL, "HPOUT1L" }, + { "Headphone", NULL, "HPOUT1R" }, + + { "Sub IN1", NULL, "HPOUT2L" }, + { "Sub IN2", NULL, "HPOUT2R" }, + + { "Main Speaker", NULL, "Sub SPKN" }, + { "Main Speaker", NULL, "Sub SPKP" }, + { "Main Speaker", NULL, "SPKDAT" }, +}; + +static struct snd_soc_card speyside = { + .name = "Speyside", + .owner = THIS_MODULE, + .dai_link = speyside_dai, + .num_links = ARRAY_SIZE(speyside_dai), + .aux_dev = speyside_aux_dev, + .num_aux_devs = ARRAY_SIZE(speyside_aux_dev), + .codec_conf = speyside_codec_conf, + .num_configs = ARRAY_SIZE(speyside_codec_conf), + + .set_bias_level = speyside_set_bias_level, + .set_bias_level_post = speyside_set_bias_level_post, + + .controls = controls, + .num_controls = ARRAY_SIZE(controls), + .dapm_widgets = widgets, + .num_dapm_widgets = ARRAY_SIZE(widgets), + .dapm_routes = audio_paths, + .num_dapm_routes = ARRAY_SIZE(audio_paths), + .fully_routed = true, + + .late_probe = speyside_late_probe, +}; + +static int speyside_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &speyside; + int ret; + + card->dev = &pdev->dev; + + ret = devm_snd_soc_register_card(&pdev->dev, card); + if (ret) + dev_err_probe(&pdev->dev, ret, "snd_soc_register_card() failed\n"); + + return ret; +} + +static struct platform_driver speyside_driver = { + .driver = { + .name = "speyside", + .pm = &snd_soc_pm_ops, + }, + .probe = speyside_probe, +}; + +module_platform_driver(speyside_driver); + +MODULE_DESCRIPTION("Speyside audio support"); +MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:speyside"); |