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author | Mark Brown <broonie@kernel.org> | 2017-09-19 14:12:47 +0100 |
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committer | Mark Brown <broonie@kernel.org> | 2017-09-19 14:12:47 +0100 |
commit | e9331ee9b164d58b4dd0abc882ba7e23d2f404b3 (patch) | |
tree | 903d078e53a59ed65708193f2486ad0b9a8109d8 /sound/soc/rockchip/rk3399_gru_sound.c | |
parent | e7251484f3bc3bd9203a2c39555ca7d53e988cf6 (diff) | |
parent | 2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e (diff) | |
download | linux-e9331ee9b164d58b4dd0abc882ba7e23d2f404b3.tar.bz2 |
Merge tag 'v4.14-rc1' into asoc-rockchip
Linux 4.14-rc1
Diffstat (limited to 'sound/soc/rockchip/rk3399_gru_sound.c')
-rw-r--r-- | sound/soc/rockchip/rk3399_gru_sound.c | 270 |
1 files changed, 186 insertions, 84 deletions
diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c index 6463ea86a33a..ad19e391c4a6 100644 --- a/sound/soc/rockchip/rk3399_gru_sound.c +++ b/sound/soc/rockchip/rk3399_gru_sound.c @@ -38,7 +38,7 @@ #define SOUND_FS 256 -static unsigned int rt5514_dmic_delay; +static unsigned int dmic_wakeup_delay; static struct snd_soc_jack rockchip_sound_jack; @@ -130,7 +130,7 @@ static int rockchip_sound_rt5514_hw_params(struct snd_pcm_substream *substream, } /* Wait for DMIC stable */ - msleep(rt5514_dmic_delay); + msleep(dmic_wakeup_delay); return 0; } @@ -232,6 +232,67 @@ static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd) return 0; } +static int rockchip_sound_cdndp_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + int mclk, ret; + + /* in bypass mode, the mclk has to be one of the frequencies below */ + switch (params_rate(params)) { + case 8000: + case 16000: + case 24000: + case 32000: + case 48000: + case 64000: + case 96000: + mclk = 12288000; + break; + case 11025: + case 22050: + case 44100: + case 88200: + mclk = 11289600; + break; + default: + return -EINVAL; + } + + ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, + SND_SOC_CLOCK_OUT); + if (ret < 0) { + dev_err(codec_dai->dev, "Can't set cpu clock out %d\n", ret); + return ret; + } + + return 0; +} + +static int rockchip_sound_dmic_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + unsigned int mclk; + int ret; + + mclk = params_rate(params) * SOUND_FS; + + ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 0, mclk, 0); + if (ret) { + dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n", + __func__, mclk, ret); + return ret; + } + + /* Wait for DMIC stable */ + msleep(dmic_wakeup_delay); + + return 0; +} + static const struct snd_soc_ops rockchip_sound_max98357a_ops = { .hw_params = rockchip_sound_max98357a_hw_params, }; @@ -244,16 +305,70 @@ static const struct snd_soc_ops rockchip_sound_da7219_ops = { .hw_params = rockchip_sound_da7219_hw_params, }; +static const struct snd_soc_ops rockchip_sound_cdndp_ops = { + .hw_params = rockchip_sound_cdndp_hw_params, +}; + +static const struct snd_soc_ops rockchip_sound_dmic_ops = { + .hw_params = rockchip_sound_dmic_hw_params, +}; + +static struct snd_soc_card rockchip_sound_card = { + .name = "rk3399-gru-sound", + .owner = THIS_MODULE, + .dapm_widgets = rockchip_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets), + .dapm_routes = rockchip_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(rockchip_dapm_routes), + .controls = rockchip_controls, + .num_controls = ARRAY_SIZE(rockchip_controls), +}; + enum { + DAILINK_CDNDP, + DAILINK_DA7219, + DAILINK_DMIC, DAILINK_MAX98357A, DAILINK_RT5514, - DAILINK_DA7219, DAILINK_RT5514_DSP, }; -#define DAILINK_ENTITIES (DAILINK_DA7219 + 1) +static const char * const dailink_compat[] = { + [DAILINK_CDNDP] = "rockchip,rk3399-cdn-dp", + [DAILINK_DA7219] = "dlg,da7219", + [DAILINK_DMIC] = "dmic-codec", + [DAILINK_MAX98357A] = "maxim,max98357a", + [DAILINK_RT5514] = "realtek,rt5514-i2c", + [DAILINK_RT5514_DSP] = "realtek,rt5514-spi", +}; -static struct snd_soc_dai_link rockchip_dailinks[] = { +static const struct snd_soc_dai_link rockchip_dais[] = { + [DAILINK_CDNDP] = { + .name = "DP", + .stream_name = "DP PCM", + .codec_dai_name = "i2s-hifi", + .ops = &rockchip_sound_cdndp_ops, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + }, + [DAILINK_DA7219] = { + .name = "DA7219", + .stream_name = "DA7219 PCM", + .codec_dai_name = "da7219-hifi", + .init = rockchip_sound_da7219_init, + .ops = &rockchip_sound_da7219_ops, + /* set da7219 as slave */ + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + }, + [DAILINK_DMIC] = { + .name = "DMIC", + .stream_name = "DMIC PCM", + .codec_dai_name = "dmic-hifi", + .ops = &rockchip_sound_dmic_ops, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + }, [DAILINK_MAX98357A] = { .name = "MAX98357A", .stream_name = "MAX98357A PCM", @@ -272,108 +387,95 @@ static struct snd_soc_dai_link rockchip_dailinks[] = { .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, }, - [DAILINK_DA7219] = { - .name = "DA7219", - .stream_name = "DA7219 PCM", - .codec_dai_name = "da7219-hifi", - .init = rockchip_sound_da7219_init, - .ops = &rockchip_sound_da7219_ops, - /* set da7219 as slave */ - .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS, - }, /* RT5514 DSP for voice wakeup via spi bus */ [DAILINK_RT5514_DSP] = { .name = "RT5514 DSP", .stream_name = "Wake on Voice", - .codec_name = "snd-soc-dummy", - .codec_dai_name = "snd-soc-dummy-dai", + .codec_dai_name = "rt5514-dsp-cpu-dai", }, }; -static struct snd_soc_card rockchip_sound_card = { - .name = "rk3399-gru-sound", - .owner = THIS_MODULE, - .dai_link = rockchip_dailinks, - .num_links = ARRAY_SIZE(rockchip_dailinks), - .dapm_widgets = rockchip_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets), - .dapm_routes = rockchip_dapm_routes, - .num_dapm_routes = ARRAY_SIZE(rockchip_dapm_routes), - .controls = rockchip_controls, - .num_controls = ARRAY_SIZE(rockchip_controls), -}; - -static int rockchip_sound_match_stub(struct device *dev, void *data) +static int rockchip_sound_codec_node_match(struct device_node *np_codec) { - return 1; -} + int i; -static int rockchip_sound_probe(struct platform_device *pdev) -{ - struct snd_soc_card *card = &rockchip_sound_card; - struct device_node *cpu_node; - struct device *dev; - struct device_driver *drv; - int i, ret; - - cpu_node = of_parse_phandle(pdev->dev.of_node, "rockchip,cpu", 0); - if (!cpu_node) { - dev_err(&pdev->dev, "Property 'rockchip,cpu' missing or invalid\n"); - return -EINVAL; + for (i = 0; i < ARRAY_SIZE(dailink_compat); i++) { + if (of_device_is_compatible(np_codec, dailink_compat[i])) + return i; } + return -1; +} - for (i = 0; i < DAILINK_ENTITIES; i++) { - rockchip_dailinks[i].platform_of_node = cpu_node; - rockchip_dailinks[i].cpu_of_node = cpu_node; - - rockchip_dailinks[i].codec_of_node = - of_parse_phandle(pdev->dev.of_node, "rockchip,codec", i); - if (!rockchip_dailinks[i].codec_of_node) { - dev_err(&pdev->dev, - "Property[%d] 'rockchip,codec' missing or invalid\n", i); +static int rockchip_sound_of_parse_dais(struct device *dev, + struct snd_soc_card *card) +{ + struct device_node *np_cpu, *np_cpu0, *np_cpu1; + struct device_node *np_codec; + struct snd_soc_dai_link *dai; + int i, index; + + card->dai_link = devm_kzalloc(dev, sizeof(rockchip_dais), + GFP_KERNEL); + if (!card->dai_link) + return -ENOMEM; + + np_cpu0 = of_parse_phandle(dev->of_node, "rockchip,cpu", 0); + np_cpu1 = of_parse_phandle(dev->of_node, "rockchip,cpu", 1); + + card->num_links = 0; + for (i = 0; i < ARRAY_SIZE(rockchip_dais); i++) { + np_codec = of_parse_phandle(dev->of_node, + "rockchip,codec", i); + if (!np_codec) + break; + + if (!of_device_is_available(np_codec)) + continue; + + index = rockchip_sound_codec_node_match(np_codec); + if (index < 0) + continue; + + np_cpu = (index == DAILINK_CDNDP) ? np_cpu1 : np_cpu0; + if (!np_cpu) { + dev_err(dev, "Missing 'rockchip,cpu' for %s\n", + rockchip_dais[index].name); return -EINVAL; } - } - /** - * To acquire the spi driver of the rt5514 and set the dai-links names - * for soc_bind_dai_link - */ - drv = driver_find("rt5514", &spi_bus_type); - if (!drv) { - dev_err(&pdev->dev, "Can not find the rt5514 driver at the spi bus\n"); - return -EINVAL; + dai = &card->dai_link[card->num_links++]; + *dai = rockchip_dais[index]; + + dai->codec_of_node = np_codec; + dai->platform_of_node = np_cpu; + dai->cpu_of_node = np_cpu; } - dev = driver_find_device(drv, NULL, NULL, rockchip_sound_match_stub); - if (!dev) { - dev_err(&pdev->dev, "Can not find the rt5514 device\n"); - return -ENODEV; + return 0; +} + +static int rockchip_sound_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &rockchip_sound_card; + int ret; + + ret = rockchip_sound_of_parse_dais(&pdev->dev, card); + if (ret < 0) { + dev_err(&pdev->dev, "Failed to parse dais: %d\n", ret); + return ret; } - /* Set DMIC delay */ - ret = device_property_read_u32(&pdev->dev, "dmic-delay", - &rt5514_dmic_delay); + /* Set DMIC wakeup delay */ + ret = device_property_read_u32(&pdev->dev, "dmic-wakeup-delay-ms", + &dmic_wakeup_delay); if (ret) { - rt5514_dmic_delay = 0; + dmic_wakeup_delay = 0; dev_dbg(&pdev->dev, - "no optional property 'dmic-delay' found, default: no delay\n"); + "no optional property 'dmic-wakeup-delay-ms' found, default: no delay\n"); } - rockchip_dailinks[DAILINK_RT5514_DSP].cpu_name = kstrdup_const(dev_name(dev), GFP_KERNEL); - rockchip_dailinks[DAILINK_RT5514_DSP].cpu_dai_name = kstrdup_const(dev_name(dev), GFP_KERNEL); - rockchip_dailinks[DAILINK_RT5514_DSP].platform_name = kstrdup_const(dev_name(dev), GFP_KERNEL); - card->dev = &pdev->dev; - platform_set_drvdata(pdev, card); - - ret = devm_snd_soc_register_card(&pdev->dev, card); - if (ret) - dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", - __func__, ret); - - return ret; + return devm_snd_soc_register_card(&pdev->dev, card); } static const struct of_device_id rockchip_sound_of_match[] = { |