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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /sound/soc/samsung/bells.c | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/samsung/bells.c')
-rw-r--r-- | sound/soc/samsung/bells.c | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/sound/soc/samsung/bells.c b/sound/soc/samsung/bells.c new file mode 100644 index 000000000..0e66cd8ef --- /dev/null +++ b/sound/soc/samsung/bells.c @@ -0,0 +1,477 @@ +/* + * Bells audio support + * + * Copyright 2012 Wolfson Microelectronics + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/jack.h> +#include <linux/gpio.h> +#include <linux/module.h> + +#include "../codecs/wm5102.h" +#include "../codecs/wm9081.h" + +/* BCLK2 is fixed at this currently */ +#define BCLK2_RATE (64 * 8000) + +/* + * Expect a 24.576MHz crystal if one is fitted (the driver will function + * if this is not fitted). + */ +#define MCLK_RATE 24576000 + +#define SYS_AUDIO_RATE 44100 +#define SYS_MCLK_RATE (SYS_AUDIO_RATE * 512) + +#define DAI_AP_DSP 0 +#define DAI_DSP_CODEC 1 +#define DAI_CODEC_CP 2 +#define DAI_CODEC_SUB 3 + +struct bells_drvdata { + int sysclk_rate; + int asyncclk_rate; +}; + +static struct bells_drvdata wm2200_drvdata = { + .sysclk_rate = 22579200, +}; + +static struct bells_drvdata wm5102_drvdata = { + .sysclk_rate = 45158400, + .asyncclk_rate = 49152000, +}; + +static struct bells_drvdata wm5110_drvdata = { + .sysclk_rate = 135475200, + .asyncclk_rate = 147456000, +}; + +static int bells_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; + struct snd_soc_component *component; + struct bells_drvdata *bells = card->drvdata; + int ret; + + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[DAI_DSP_CODEC].name); + codec_dai = rtd->codec_dai; + component = codec_dai->component; + + if (dapm->dev != codec_dai->dev) + return 0; + + switch (level) { + case SND_SOC_BIAS_PREPARE: + if (dapm->bias_level != SND_SOC_BIAS_STANDBY) + break; + + ret = snd_soc_component_set_pll(component, WM5102_FLL1, + ARIZONA_FLL_SRC_MCLK1, + MCLK_RATE, + bells->sysclk_rate); + if (ret < 0) + pr_err("Failed to start FLL: %d\n", ret); + + if (bells->asyncclk_rate) { + ret = snd_soc_component_set_pll(component, WM5102_FLL2, + ARIZONA_FLL_SRC_AIF2BCLK, + BCLK2_RATE, + bells->asyncclk_rate); + if (ret < 0) + pr_err("Failed to start FLL: %d\n", ret); + } + break; + + default: + break; + } + + return 0; +} + +static int bells_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; + struct snd_soc_component *component; + struct bells_drvdata *bells = card->drvdata; + int ret; + + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[DAI_DSP_CODEC].name); + codec_dai = rtd->codec_dai; + component = codec_dai->component; + + if (dapm->dev != codec_dai->dev) + return 0; + + switch (level) { + case SND_SOC_BIAS_STANDBY: + ret = snd_soc_component_set_pll(component, WM5102_FLL1, 0, 0, 0); + if (ret < 0) { + pr_err("Failed to stop FLL: %d\n", ret); + return ret; + } + + if (bells->asyncclk_rate) { + ret = snd_soc_component_set_pll(component, WM5102_FLL2, + 0, 0, 0); + if (ret < 0) { + pr_err("Failed to stop FLL: %d\n", ret); + return ret; + } + } + break; + + default: + break; + } + + dapm->bias_level = level; + + return 0; +} + +static int bells_late_probe(struct snd_soc_card *card) +{ + struct bells_drvdata *bells = card->drvdata; + struct snd_soc_pcm_runtime *rtd; + struct snd_soc_component *wm0010; + struct snd_soc_component *component; + struct snd_soc_dai *aif1_dai; + struct snd_soc_dai *aif2_dai; + struct snd_soc_dai *aif3_dai; + struct snd_soc_dai *wm9081_dai; + int ret; + + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[DAI_AP_DSP].name); + wm0010 = rtd->codec_dai->component; + + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[DAI_DSP_CODEC].name); + component = rtd->codec_dai->component; + aif1_dai = rtd->codec_dai; + + ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_SYSCLK, + ARIZONA_CLK_SRC_FLL1, + bells->sysclk_rate, + SND_SOC_CLOCK_IN); + if (ret != 0) { + dev_err(component->dev, "Failed to set SYSCLK: %d\n", ret); + return ret; + } + + ret = snd_soc_component_set_sysclk(wm0010, 0, 0, SYS_MCLK_RATE, 0); + if (ret != 0) { + dev_err(wm0010->dev, "Failed to set WM0010 clock: %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0); + if (ret != 0) + dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret); + + ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_OPCLK, 0, + SYS_MCLK_RATE, SND_SOC_CLOCK_OUT); + if (ret != 0) + dev_err(component->dev, "Failed to set OPCLK: %d\n", ret); + + if (card->num_rtd == DAI_CODEC_CP) + return 0; + + ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_ASYNCCLK, + ARIZONA_CLK_SRC_FLL2, + bells->asyncclk_rate, + SND_SOC_CLOCK_IN); + if (ret != 0) { + dev_err(component->dev, "Failed to set ASYNCCLK: %d\n", ret); + return ret; + } + + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[DAI_CODEC_CP].name); + aif2_dai = rtd->cpu_dai; + + ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0); + if (ret != 0) { + dev_err(aif2_dai->dev, "Failed to set AIF2 clock: %d\n", ret); + return ret; + } + + if (card->num_rtd == DAI_CODEC_SUB) + return 0; + + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[DAI_CODEC_SUB].name); + aif3_dai = rtd->cpu_dai; + wm9081_dai = rtd->codec_dai; + + ret = snd_soc_dai_set_sysclk(aif3_dai, ARIZONA_CLK_SYSCLK, 0, 0); + if (ret != 0) { + dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret); + return ret; + } + + ret = snd_soc_component_set_sysclk(wm9081_dai->component, WM9081_SYSCLK_MCLK, + 0, SYS_MCLK_RATE, 0); + if (ret != 0) { + dev_err(wm9081_dai->dev, "Failed to set MCLK: %d\n", ret); + return ret; + } + + return 0; +} + +static const struct snd_soc_pcm_stream baseband_params = { + .formats = SNDRV_PCM_FMTBIT_S32_LE, + .rate_min = 8000, + .rate_max = 8000, + .channels_min = 2, + .channels_max = 2, +}; + +static const struct snd_soc_pcm_stream sub_params = { + .formats = SNDRV_PCM_FMTBIT_S32_LE, + .rate_min = SYS_AUDIO_RATE, + .rate_max = SYS_AUDIO_RATE, + .channels_min = 2, + .channels_max = 2, +}; + +static struct snd_soc_dai_link bells_dai_wm2200[] = { + { + .name = "CPU-DSP", + .stream_name = "CPU-DSP", + .cpu_dai_name = "samsung-i2s.0", + .codec_dai_name = "wm0010-sdi1", + .platform_name = "samsung-i2s.0", + .codec_name = "spi0.0", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + }, + { + .name = "DSP-CODEC", + .stream_name = "DSP-CODEC", + .cpu_dai_name = "wm0010-sdi2", + .codec_dai_name = "wm2200", + .codec_name = "wm2200.1-003a", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + .params = &sub_params, + .ignore_suspend = 1, + }, +}; + +static struct snd_soc_dai_link bells_dai_wm5102[] = { + { + .name = "CPU-DSP", + .stream_name = "CPU-DSP", + .cpu_dai_name = "samsung-i2s.0", + .codec_dai_name = "wm0010-sdi1", + .platform_name = "samsung-i2s.0", + .codec_name = "spi0.0", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + }, + { + .name = "DSP-CODEC", + .stream_name = "DSP-CODEC", + .cpu_dai_name = "wm0010-sdi2", + .codec_dai_name = "wm5102-aif1", + .codec_name = "wm5102-codec", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + .params = &sub_params, + .ignore_suspend = 1, + }, + { + .name = "Baseband", + .stream_name = "Baseband", + .cpu_dai_name = "wm5102-aif2", + .codec_dai_name = "wm1250-ev1", + .codec_name = "wm1250-ev1.1-0027", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + .ignore_suspend = 1, + .params = &baseband_params, + }, + { + .name = "Sub", + .stream_name = "Sub", + .cpu_dai_name = "wm5102-aif3", + .codec_dai_name = "wm9081-hifi", + .codec_name = "wm9081.1-006c", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBS_CFS, + .ignore_suspend = 1, + .params = &sub_params, + }, +}; + +static struct snd_soc_dai_link bells_dai_wm5110[] = { + { + .name = "CPU-DSP", + .stream_name = "CPU-DSP", + .cpu_dai_name = "samsung-i2s.0", + .codec_dai_name = "wm0010-sdi1", + .platform_name = "samsung-i2s.0", + .codec_name = "spi0.0", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + }, + { + .name = "DSP-CODEC", + .stream_name = "DSP-CODEC", + .cpu_dai_name = "wm0010-sdi2", + .codec_dai_name = "wm5110-aif1", + .codec_name = "wm5110-codec", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + .params = &sub_params, + .ignore_suspend = 1, + }, + { + .name = "Baseband", + .stream_name = "Baseband", + .cpu_dai_name = "wm5110-aif2", + .codec_dai_name = "wm1250-ev1", + .codec_name = "wm1250-ev1.1-0027", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBM_CFM, + .ignore_suspend = 1, + .params = &baseband_params, + }, + { + .name = "Sub", + .stream_name = "Sub", + .cpu_dai_name = "wm5110-aif3", + .codec_dai_name = "wm9081-hifi", + .codec_name = "wm9081.1-006c", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBS_CFS, + .ignore_suspend = 1, + .params = &sub_params, + }, +}; + +static struct snd_soc_codec_conf bells_codec_conf[] = { + { + .dev_name = "wm9081.1-006c", + .name_prefix = "Sub", + }, +}; + +static struct snd_soc_dapm_widget bells_widgets[] = { + SND_SOC_DAPM_MIC("DMIC", NULL), +}; + +static struct snd_soc_dapm_route bells_routes[] = { + { "Sub CLK_SYS", NULL, "OPCLK" }, + { "CLKIN", NULL, "OPCLK" }, + + { "DMIC", NULL, "MICBIAS2" }, + { "IN2L", NULL, "DMIC" }, + { "IN2R", NULL, "DMIC" }, +}; + +static struct snd_soc_card bells_cards[] = { + { + .name = "Bells WM2200", + .owner = THIS_MODULE, + .dai_link = bells_dai_wm2200, + .num_links = ARRAY_SIZE(bells_dai_wm2200), + .codec_conf = bells_codec_conf, + .num_configs = ARRAY_SIZE(bells_codec_conf), + + .late_probe = bells_late_probe, + + .dapm_widgets = bells_widgets, + .num_dapm_widgets = ARRAY_SIZE(bells_widgets), + .dapm_routes = bells_routes, + .num_dapm_routes = ARRAY_SIZE(bells_routes), + + .set_bias_level = bells_set_bias_level, + .set_bias_level_post = bells_set_bias_level_post, + + .drvdata = &wm2200_drvdata, + }, + { + .name = "Bells WM5102", + .owner = THIS_MODULE, + .dai_link = bells_dai_wm5102, + .num_links = ARRAY_SIZE(bells_dai_wm5102), + .codec_conf = bells_codec_conf, + .num_configs = ARRAY_SIZE(bells_codec_conf), + + .late_probe = bells_late_probe, + + .dapm_widgets = bells_widgets, + .num_dapm_widgets = ARRAY_SIZE(bells_widgets), + .dapm_routes = bells_routes, + .num_dapm_routes = ARRAY_SIZE(bells_routes), + + .set_bias_level = bells_set_bias_level, + .set_bias_level_post = bells_set_bias_level_post, + + .drvdata = &wm5102_drvdata, + }, + { + .name = "Bells WM5110", + .owner = THIS_MODULE, + .dai_link = bells_dai_wm5110, + .num_links = ARRAY_SIZE(bells_dai_wm5110), + .codec_conf = bells_codec_conf, + .num_configs = ARRAY_SIZE(bells_codec_conf), + + .late_probe = bells_late_probe, + + .dapm_widgets = bells_widgets, + .num_dapm_widgets = ARRAY_SIZE(bells_widgets), + .dapm_routes = bells_routes, + .num_dapm_routes = ARRAY_SIZE(bells_routes), + + .set_bias_level = bells_set_bias_level, + .set_bias_level_post = bells_set_bias_level_post, + + .drvdata = &wm5110_drvdata, + }, +}; + +static int bells_probe(struct platform_device *pdev) +{ + int ret; + + bells_cards[pdev->id].dev = &pdev->dev; + + ret = devm_snd_soc_register_card(&pdev->dev, &bells_cards[pdev->id]); + if (ret) + dev_err(&pdev->dev, + "snd_soc_register_card(%s) failed: %d\n", + bells_cards[pdev->id].name, ret); + + return ret; +} + +static struct platform_driver bells_driver = { + .driver = { + .name = "bells", + .pm = &snd_soc_pm_ops, + }, + .probe = bells_probe, +}; + +module_platform_driver(bells_driver); + +MODULE_DESCRIPTION("Bells audio support"); +MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:bells"); |