soc/samsung/bells.c

0001 // SPDX-License-Identifier: GPL-2.0+
0002 //
0003 // Bells audio support
0004 //
0005 // Copyright 2012 Wolfson Microelectronics
0006
0007 #include <sound/soc.h>
0008 #include <sound/soc-dapm.h>
0009 #include <sound/jack.h>
0010 #include <linux/gpio.h>
0011 #include <linux/module.h>
0012
0013 #include "../codecs/wm5102.h"
0014 #include "../codecs/wm9081.h"
0015
0016 /* BCLK2 is fixed at this currently */
0017 #define BCLK2_RATE (64 * 8000)
0018
0019 /*
0020  * Expect a 24.576MHz crystal if one is fitted (the driver will function
0021  * if this is not fitted).
0022  */
0023 #define MCLK_RATE 24576000
0024
0025 #define SYS_AUDIO_RATE 44100
0026 #define SYS_MCLK_RATE  (SYS_AUDIO_RATE * 512)
0027
0028 #define DAI_AP_DSP    0
0029 #define DAI_DSP_CODEC 1
0030 #define DAI_CODEC_CP  2
0031 #define DAI_CODEC_SUB 3
0032
0033 struct bells_drvdata {
0034     int sysclk_rate;
0035     int asyncclk_rate;
0036 };
0037
0038 static struct bells_drvdata wm2200_drvdata = {
0039     .sysclk_rate = 22579200,
0040 };
0041
0042 static struct bells_drvdata wm5102_drvdata = {
0043     .sysclk_rate = 45158400,
0044     .asyncclk_rate = 49152000,
0045 };
0046
0047 static struct bells_drvdata wm5110_drvdata = {
0048     .sysclk_rate = 135475200,
0049     .asyncclk_rate = 147456000,
0050 };
0051
0052 static int bells_set_bias_level(struct snd_soc_card *card,
0053                 struct snd_soc_dapm_context *dapm,
0054                 enum snd_soc_bias_level level)
0055 {
0056     struct snd_soc_pcm_runtime *rtd;
0057     struct snd_soc_dai *codec_dai;
0058     struct snd_soc_component *component;
0059     struct bells_drvdata *bells = card->drvdata;
0060     int ret;
0061
0062     rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]);
0063     codec_dai = asoc_rtd_to_codec(rtd, 0);
0064     component = codec_dai->component;
0065
0066     if (dapm->dev != codec_dai->dev)
0067         return 0;
0068
0069     switch (level) {
0070     case SND_SOC_BIAS_PREPARE:
0071         if (dapm->bias_level != SND_SOC_BIAS_STANDBY)
0072             break;
0073
0074         ret = snd_soc_component_set_pll(component, WM5102_FLL1,
0075                         ARIZONA_FLL_SRC_MCLK1,
0076                         MCLK_RATE,
0077                         bells->sysclk_rate);
0078         if (ret < 0)
0079             pr_err("Failed to start FLL: %d\n", ret);
0080
0081         if (bells->asyncclk_rate) {
0082             ret = snd_soc_component_set_pll(component, WM5102_FLL2,
0083                             ARIZONA_FLL_SRC_AIF2BCLK,
0084                             BCLK2_RATE,
0085                             bells->asyncclk_rate);
0086             if (ret < 0)
0087                 pr_err("Failed to start FLL: %d\n", ret);
0088         }
0089         break;
0090
0091     default:
0092         break;
0093     }
0094
0095     return 0;
0096 }
0097
0098 static int bells_set_bias_level_post(struct snd_soc_card *card,
0099                      struct snd_soc_dapm_context *dapm,
0100                      enum snd_soc_bias_level level)
0101 {
0102     struct snd_soc_pcm_runtime *rtd;
0103     struct snd_soc_dai *codec_dai;
0104     struct snd_soc_component *component;
0105     struct bells_drvdata *bells = card->drvdata;
0106     int ret;
0107
0108     rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]);
0109     codec_dai = asoc_rtd_to_codec(rtd, 0);
0110     component = codec_dai->component;
0111
0112     if (dapm->dev != codec_dai->dev)
0113         return 0;
0114
0115     switch (level) {
0116     case SND_SOC_BIAS_STANDBY:
0117         ret = snd_soc_component_set_pll(component, WM5102_FLL1, 0, 0, 0);
0118         if (ret < 0) {
0119             pr_err("Failed to stop FLL: %d\n", ret);
0120             return ret;
0121         }
0122
0123         if (bells->asyncclk_rate) {
0124             ret = snd_soc_component_set_pll(component, WM5102_FLL2,
0125                             0, 0, 0);
0126             if (ret < 0) {
0127                 pr_err("Failed to stop FLL: %d\n", ret);
0128                 return ret;
0129             }
0130         }
0131         break;
0132
0133     default:
0134         break;
0135     }
0136
0137     dapm->bias_level = level;
0138
0139     return 0;
0140 }
0141
0142 static int bells_late_probe(struct snd_soc_card *card)
0143 {
0144     struct bells_drvdata *bells = card->drvdata;
0145     struct snd_soc_pcm_runtime *rtd;
0146     struct snd_soc_component *wm0010;
0147     struct snd_soc_component *component;
0148     struct snd_soc_dai *aif1_dai;
0149     struct snd_soc_dai *aif2_dai;
0150     struct snd_soc_dai *aif3_dai;
0151     struct snd_soc_dai *wm9081_dai;
0152     int ret;
0153
0154     rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_AP_DSP]);
0155     wm0010 = asoc_rtd_to_codec(rtd, 0)->component;
0156
0157     rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]);
0158     component = asoc_rtd_to_codec(rtd, 0)->component;
0159     aif1_dai = asoc_rtd_to_codec(rtd, 0);
0160
0161     ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_SYSCLK,
0162                        ARIZONA_CLK_SRC_FLL1,
0163                        bells->sysclk_rate,
0164                        SND_SOC_CLOCK_IN);
0165     if (ret != 0) {
0166         dev_err(component->dev, "Failed to set SYSCLK: %d\n", ret);
0167         return ret;
0168     }
0169
0170     ret = snd_soc_component_set_sysclk(wm0010, 0, 0, SYS_MCLK_RATE, 0);
0171     if (ret != 0) {
0172         dev_err(wm0010->dev, "Failed to set WM0010 clock: %d\n", ret);
0173         return ret;
0174     }
0175
0176     ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0);
0177     if (ret != 0)
0178         dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
0179
0180     ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_OPCLK, 0,
0181                        SYS_MCLK_RATE, SND_SOC_CLOCK_OUT);
0182     if (ret != 0)
0183         dev_err(component->dev, "Failed to set OPCLK: %d\n", ret);
0184
0185     if (card->num_rtd == DAI_CODEC_CP)
0186         return 0;
0187
0188     ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_ASYNCCLK,
0189                        ARIZONA_CLK_SRC_FLL2,
0190                        bells->asyncclk_rate,
0191                        SND_SOC_CLOCK_IN);
0192     if (ret != 0) {
0193         dev_err(component->dev, "Failed to set ASYNCCLK: %d\n", ret);
0194         return ret;
0195     }
0196
0197     rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_CODEC_CP]);
0198     aif2_dai = asoc_rtd_to_cpu(rtd, 0);
0199
0200     ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0);
0201     if (ret != 0) {
0202         dev_err(aif2_dai->dev, "Failed to set AIF2 clock: %d\n", ret);
0203         return ret;
0204     }
0205
0206     if (card->num_rtd == DAI_CODEC_SUB)
0207         return 0;
0208
0209     rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_CODEC_SUB]);
0210     aif3_dai = asoc_rtd_to_cpu(rtd, 0);
0211     wm9081_dai = asoc_rtd_to_codec(rtd, 0);
0212
0213     ret = snd_soc_dai_set_sysclk(aif3_dai, ARIZONA_CLK_SYSCLK, 0, 0);
0214     if (ret != 0) {
0215         dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
0216         return ret;
0217     }
0218
0219     ret = snd_soc_component_set_sysclk(wm9081_dai->component, WM9081_SYSCLK_MCLK,
0220                        0, SYS_MCLK_RATE, 0);
0221     if (ret != 0) {
0222         dev_err(wm9081_dai->dev, "Failed to set MCLK: %d\n", ret);
0223         return ret;
0224     }
0225
0226     return 0;
0227 }
0228
0229 static const struct snd_soc_pcm_stream baseband_params = {
0230     .formats = SNDRV_PCM_FMTBIT_S32_LE,
0231     .rate_min = 8000,
0232     .rate_max = 8000,
0233     .channels_min = 2,
0234     .channels_max = 2,
0235 };
0236
0237 static const struct snd_soc_pcm_stream sub_params = {
0238     .formats = SNDRV_PCM_FMTBIT_S32_LE,
0239     .rate_min = SYS_AUDIO_RATE,
0240     .rate_max = SYS_AUDIO_RATE,
0241     .channels_min = 2,
0242     .channels_max = 2,
0243 };
0244
0245 SND_SOC_DAILINK_DEFS(wm2200_cpu_dsp,
0246     DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
0247     DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")),
0248     DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
0249
0250 SND_SOC_DAILINK_DEFS(wm2200_dsp_codec,
0251     DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),
0252     DAILINK_COMP_ARRAY(COMP_CODEC("wm2200.1-003a", "wm2200")));
0253
0254 static struct snd_soc_dai_link bells_dai_wm2200[] = {
0255     {
0256         .name = "CPU-DSP",
0257         .stream_name = "CPU-DSP",
0258         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
0259                 | SND_SOC_DAIFMT_CBM_CFM,
0260         SND_SOC_DAILINK_REG(wm2200_cpu_dsp),
0261     },
0262     {
0263         .name = "DSP-CODEC",
0264         .stream_name = "DSP-CODEC",
0265         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
0266                 | SND_SOC_DAIFMT_CBM_CFM,
0267         .params = &sub_params,
0268         .ignore_suspend = 1,
0269         SND_SOC_DAILINK_REG(wm2200_dsp_codec),
0270     },
0271 };
0272
0273 SND_SOC_DAILINK_DEFS(wm5102_cpu_dsp,
0274     DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
0275     DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")),
0276     DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
0277
0278 SND_SOC_DAILINK_DEFS(wm5102_dsp_codec,
0279     DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),
0280     DAILINK_COMP_ARRAY(COMP_CODEC("wm5102-codec", "wm5102-aif1")));
0281
0282 SND_SOC_DAILINK_DEFS(wm5102_baseband,
0283     DAILINK_COMP_ARRAY(COMP_CPU("wm5102-aif2")),
0284     DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));
0285
0286 SND_SOC_DAILINK_DEFS(wm5102_sub,
0287     DAILINK_COMP_ARRAY(COMP_CPU("wm5102-aif3")),
0288     DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));
0289
0290 static struct snd_soc_dai_link bells_dai_wm5102[] = {
0291     {
0292         .name = "CPU-DSP",
0293         .stream_name = "CPU-DSP",
0294         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
0295                 | SND_SOC_DAIFMT_CBM_CFM,
0296         SND_SOC_DAILINK_REG(wm5102_cpu_dsp),
0297     },
0298     {
0299         .name = "DSP-CODEC",
0300         .stream_name = "DSP-CODEC",
0301         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
0302                 | SND_SOC_DAIFMT_CBM_CFM,
0303         .params = &sub_params,
0304         .ignore_suspend = 1,
0305         SND_SOC_DAILINK_REG(wm5102_dsp_codec),
0306     },
0307     {
0308         .name = "Baseband",
0309         .stream_name = "Baseband",
0310         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
0311                 | SND_SOC_DAIFMT_CBM_CFM,
0312         .ignore_suspend = 1,
0313         .params = &baseband_params,
0314         SND_SOC_DAILINK_REG(wm5102_baseband),
0315     },
0316     {
0317         .name = "Sub",
0318         .stream_name = "Sub",
0319         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
0320                 | SND_SOC_DAIFMT_CBS_CFS,
0321         .ignore_suspend = 1,
0322         .params = &sub_params,
0323         SND_SOC_DAILINK_REG(wm5102_sub),
0324     },
0325 };
0326
0327 SND_SOC_DAILINK_DEFS(wm5110_cpu_dsp,
0328     DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
0329     DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")),
0330     DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
0331
0332 SND_SOC_DAILINK_DEFS(wm5110_dsp_codec,
0333     DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),
0334     DAILINK_COMP_ARRAY(COMP_CODEC("wm5110-codec", "wm5110-aif1")));
0335
0336 SND_SOC_DAILINK_DEFS(wm5110_baseband,
0337     DAILINK_COMP_ARRAY(COMP_CPU("wm5110-aif2")),
0338     DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));
0339
0340
0341 SND_SOC_DAILINK_DEFS(wm5110_sub,
0342     DAILINK_COMP_ARRAY(COMP_CPU("wm5110-aif3")),
0343     DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));
0344
0345 static struct snd_soc_dai_link bells_dai_wm5110[] = {
0346     {
0347         .name = "CPU-DSP",
0348         .stream_name = "CPU-DSP",
0349         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
0350                 | SND_SOC_DAIFMT_CBM_CFM,
0351         SND_SOC_DAILINK_REG(wm5110_cpu_dsp),
0352     },
0353     {
0354         .name = "DSP-CODEC",
0355         .stream_name = "DSP-CODEC",
0356         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
0357                 | SND_SOC_DAIFMT_CBM_CFM,
0358         .params = &sub_params,
0359         .ignore_suspend = 1,
0360         SND_SOC_DAILINK_REG(wm5110_dsp_codec),
0361     },
0362     {
0363         .name = "Baseband",
0364         .stream_name = "Baseband",
0365         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
0366                 | SND_SOC_DAIFMT_CBM_CFM,
0367         .ignore_suspend = 1,
0368         .params = &baseband_params,
0369         SND_SOC_DAILINK_REG(wm5110_baseband),
0370     },
0371     {
0372         .name = "Sub",
0373         .stream_name = "Sub",
0374         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
0375                 | SND_SOC_DAIFMT_CBS_CFS,
0376         .ignore_suspend = 1,
0377         .params = &sub_params,
0378         SND_SOC_DAILINK_REG(wm5110_sub),
0379     },
0380 };
0381
0382 static struct snd_soc_codec_conf bells_codec_conf[] = {
0383     {
0384         .dlc = COMP_CODEC_CONF("wm9081.1-006c"),
0385         .name_prefix = "Sub",
0386     },
0387 };
0388
0389 static const struct snd_soc_dapm_widget bells_widgets[] = {
0390     SND_SOC_DAPM_MIC("DMIC", NULL),
0391 };
0392
0393 static const struct snd_soc_dapm_route bells_routes[] = {
0394     { "Sub CLK_SYS", NULL, "OPCLK" },
0395     { "CLKIN", NULL, "OPCLK" },
0396
0397     { "DMIC", NULL, "MICBIAS2" },
0398     { "IN2L", NULL, "DMIC" },
0399     { "IN2R", NULL, "DMIC" },
0400 };
0401
0402 static struct snd_soc_card bells_cards[] = {
0403     {
0404         .name = "Bells WM2200",
0405         .owner = THIS_MODULE,
0406         .dai_link = bells_dai_wm2200,
0407         .num_links = ARRAY_SIZE(bells_dai_wm2200),
0408         .codec_conf = bells_codec_conf,
0409         .num_configs = ARRAY_SIZE(bells_codec_conf),
0410
0411         .late_probe = bells_late_probe,
0412
0413         .dapm_widgets = bells_widgets,
0414         .num_dapm_widgets = ARRAY_SIZE(bells_widgets),
0415         .dapm_routes = bells_routes,
0416         .num_dapm_routes = ARRAY_SIZE(bells_routes),
0417
0418         .set_bias_level = bells_set_bias_level,
0419         .set_bias_level_post = bells_set_bias_level_post,
0420
0421         .drvdata = &wm2200_drvdata,
0422     },
0423     {
0424         .name = "Bells WM5102",
0425         .owner = THIS_MODULE,
0426         .dai_link = bells_dai_wm5102,
0427         .num_links = ARRAY_SIZE(bells_dai_wm5102),
0428         .codec_conf = bells_codec_conf,
0429         .num_configs = ARRAY_SIZE(bells_codec_conf),
0430
0431         .late_probe = bells_late_probe,
0432
0433         .dapm_widgets = bells_widgets,
0434         .num_dapm_widgets = ARRAY_SIZE(bells_widgets),
0435         .dapm_routes = bells_routes,
0436         .num_dapm_routes = ARRAY_SIZE(bells_routes),
0437
0438         .set_bias_level = bells_set_bias_level,
0439         .set_bias_level_post = bells_set_bias_level_post,
0440
0441         .drvdata = &wm5102_drvdata,
0442     },
0443     {
0444         .name = "Bells WM5110",
0445         .owner = THIS_MODULE,
0446         .dai_link = bells_dai_wm5110,
0447         .num_links = ARRAY_SIZE(bells_dai_wm5110),
0448         .codec_conf = bells_codec_conf,
0449         .num_configs = ARRAY_SIZE(bells_codec_conf),
0450
0451         .late_probe = bells_late_probe,
0452
0453         .dapm_widgets = bells_widgets,
0454         .num_dapm_widgets = ARRAY_SIZE(bells_widgets),
0455         .dapm_routes = bells_routes,
0456         .num_dapm_routes = ARRAY_SIZE(bells_routes),
0457
0458         .set_bias_level = bells_set_bias_level,
0459         .set_bias_level_post = bells_set_bias_level_post,
0460
0461         .drvdata = &wm5110_drvdata,
0462     },
0463 };
0464
0465 static int bells_probe(struct platform_device *pdev)
0466 {
0467     int ret;
0468
0469     bells_cards[pdev->id].dev = &pdev->dev;
0470
0471     ret = devm_snd_soc_register_card(&pdev->dev, &bells_cards[pdev->id]);
0472     if (ret)
0473         dev_err(&pdev->dev,
0474             "snd_soc_register_card(%s) failed: %d\n",
0475             bells_cards[pdev->id].name, ret);
0476
0477     return ret;
0478 }
0479
0480 static struct platform_driver bells_driver = {
0481     .driver = {
0482         .name = "bells",
0483         .pm = &snd_soc_pm_ops,
0484     },
0485     .probe = bells_probe,
0486 };
0487
0488 module_platform_driver(bells_driver);
0489
0490 MODULE_DESCRIPTION("Bells audio support");
0491 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
0492 MODULE_LICENSE("GPL");
0493 MODULE_ALIAS("platform:bells");