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- // SPDX-License-Identifier: GPL-2.0+
- //
- // Bells audio support
- //
- // Copyright 2012 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/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]);
- codec_dai = asoc_rtd_to_codec(rtd, 0);
- 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]);
- codec_dai = asoc_rtd_to_codec(rtd, 0);
- 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]);
- wm0010 = asoc_rtd_to_codec(rtd, 0)->component;
- rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]);
- component = asoc_rtd_to_codec(rtd, 0)->component;
- aif1_dai = asoc_rtd_to_codec(rtd, 0);
- 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]);
- aif2_dai = asoc_rtd_to_cpu(rtd, 0);
- 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]);
- aif3_dai = asoc_rtd_to_cpu(rtd, 0);
- wm9081_dai = asoc_rtd_to_codec(rtd, 0);
- 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,
- };
- SND_SOC_DAILINK_DEFS(wm2200_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(wm2200_dsp_codec,
- DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),
- DAILINK_COMP_ARRAY(COMP_CODEC("wm2200.1-003a", "wm2200")));
- static struct snd_soc_dai_link bells_dai_wm2200[] = {
- {
- .name = "CPU-DSP",
- .stream_name = "CPU-DSP",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
- | SND_SOC_DAIFMT_CBM_CFM,
- SND_SOC_DAILINK_REG(wm2200_cpu_dsp),
- },
- {
- .name = "DSP-CODEC",
- .stream_name = "DSP-CODEC",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
- | SND_SOC_DAIFMT_CBM_CFM,
- .params = &sub_params,
- .ignore_suspend = 1,
- SND_SOC_DAILINK_REG(wm2200_dsp_codec),
- },
- };
- SND_SOC_DAILINK_DEFS(wm5102_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(wm5102_dsp_codec,
- DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),
- DAILINK_COMP_ARRAY(COMP_CODEC("wm5102-codec", "wm5102-aif1")));
- SND_SOC_DAILINK_DEFS(wm5102_baseband,
- DAILINK_COMP_ARRAY(COMP_CPU("wm5102-aif2")),
- DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));
- SND_SOC_DAILINK_DEFS(wm5102_sub,
- DAILINK_COMP_ARRAY(COMP_CPU("wm5102-aif3")),
- DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));
- static struct snd_soc_dai_link bells_dai_wm5102[] = {
- {
- .name = "CPU-DSP",
- .stream_name = "CPU-DSP",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
- | SND_SOC_DAIFMT_CBM_CFM,
- SND_SOC_DAILINK_REG(wm5102_cpu_dsp),
- },
- {
- .name = "DSP-CODEC",
- .stream_name = "DSP-CODEC",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
- | SND_SOC_DAIFMT_CBM_CFM,
- .params = &sub_params,
- .ignore_suspend = 1,
- SND_SOC_DAILINK_REG(wm5102_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,
- .params = &baseband_params,
- SND_SOC_DAILINK_REG(wm5102_baseband),
- },
- {
- .name = "Sub",
- .stream_name = "Sub",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
- | SND_SOC_DAIFMT_CBS_CFS,
- .ignore_suspend = 1,
- .params = &sub_params,
- SND_SOC_DAILINK_REG(wm5102_sub),
- },
- };
- SND_SOC_DAILINK_DEFS(wm5110_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(wm5110_dsp_codec,
- DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),
- DAILINK_COMP_ARRAY(COMP_CODEC("wm5110-codec", "wm5110-aif1")));
- SND_SOC_DAILINK_DEFS(wm5110_baseband,
- DAILINK_COMP_ARRAY(COMP_CPU("wm5110-aif2")),
- DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));
- SND_SOC_DAILINK_DEFS(wm5110_sub,
- DAILINK_COMP_ARRAY(COMP_CPU("wm5110-aif3")),
- DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));
- static struct snd_soc_dai_link bells_dai_wm5110[] = {
- {
- .name = "CPU-DSP",
- .stream_name = "CPU-DSP",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
- | SND_SOC_DAIFMT_CBM_CFM,
- SND_SOC_DAILINK_REG(wm5110_cpu_dsp),
- },
- {
- .name = "DSP-CODEC",
- .stream_name = "DSP-CODEC",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
- | SND_SOC_DAIFMT_CBM_CFM,
- .params = &sub_params,
- .ignore_suspend = 1,
- SND_SOC_DAILINK_REG(wm5110_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,
- .params = &baseband_params,
- SND_SOC_DAILINK_REG(wm5110_baseband),
- },
- {
- .name = "Sub",
- .stream_name = "Sub",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
- | SND_SOC_DAIFMT_CBS_CFS,
- .ignore_suspend = 1,
- .params = &sub_params,
- SND_SOC_DAILINK_REG(wm5110_sub),
- },
- };
- static struct snd_soc_codec_conf bells_codec_conf[] = {
- {
- .dlc = COMP_CODEC_CONF("wm9081.1-006c"),
- .name_prefix = "Sub",
- },
- };
- static const struct snd_soc_dapm_widget bells_widgets[] = {
- SND_SOC_DAPM_MIC("DMIC", NULL),
- };
- static const 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 <[email protected]>");
- MODULE_LICENSE("GPL");
- MODULE_ALIAS("platform:bells");
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