Add support for optional cdn dp codec.
Signed-off-by: Jeffy Chen jeffy.chen@rock-chips.com ---
Changes in v6: None Changes in v5: None Changes in v3: None Changes in v2: None
sound/soc/rockchip/Kconfig | 1 + sound/soc/rockchip/rk3399_gru_sound.c | 59 +++++++++++++++++++++++++++++++++-- 2 files changed, 58 insertions(+), 2 deletions(-)
diff --git a/sound/soc/rockchip/Kconfig b/sound/soc/rockchip/Kconfig index c84487805876..8f0d0d8d34e6 100644 --- a/sound/soc/rockchip/Kconfig +++ b/sound/soc/rockchip/Kconfig @@ -68,6 +68,7 @@ config SND_SOC_RK3399_GRU_SOUND select SND_SOC_RT5514 select SND_SOC_DA7219 select SND_SOC_RT5514_SPI + select SND_SOC_HDMI_CODEC help Say Y or M here if you want to add support multiple codecs for SoC audio on Rockchip RK3399 GRU boards. diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c index 347c34d0db4c..91aab5c18f3b 100644 --- a/sound/soc/rockchip/rk3399_gru_sound.c +++ b/sound/soc/rockchip/rk3399_gru_sound.c @@ -228,6 +228,45 @@ 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 const struct snd_soc_ops rockchip_sound_max98357a_ops = { .hw_params = rockchip_sound_max98357a_hw_params, }; @@ -240,6 +279,10 @@ static const struct snd_soc_ops rockchip_sound_da7219_ops = { .hw_params = rockchip_sound_da7219_hw_params, };
+static struct snd_soc_ops rockchip_sound_cdndp_ops = { + .hw_params = rockchip_sound_cdndp_hw_params, +}; + static struct snd_soc_card rockchip_sound_card = { .name = "rk3399-gru-sound", .owner = THIS_MODULE, @@ -252,6 +295,7 @@ static struct snd_soc_card rockchip_sound_card = { };
enum { + DAILINK_CDNDP, DAILINK_DA7219, DAILINK_MAX98357A, DAILINK_RT5514, @@ -259,6 +303,7 @@ enum { };
static const char * const dailink_compat[] = { + [DAILINK_CDNDP] = "rockchip,rk3399-cdn-dp", [DAILINK_DA7219] = "dlg,da7219", [DAILINK_MAX98357A] = "maxim,max98357a", [DAILINK_RT5514] = "realtek,rt5514-i2c", @@ -266,6 +311,14 @@ static const char * const dailink_compat[] = { };
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", @@ -316,7 +369,7 @@ static int rockchip_sound_codec_node_match(struct device_node *np_codec) static int rockchip_sound_of_parse_dais(struct device *dev, struct snd_soc_card *card) { - struct device_node *np_cpu; + struct device_node *np_cpu, *np_cpu0, *np_cpu1; struct device_node *np_codec; struct snd_soc_dai_link *dai; int i, index; @@ -326,7 +379,8 @@ static int rockchip_sound_of_parse_dais(struct device *dev, if (!card->dai_link) return -ENOMEM;
- np_cpu = of_parse_phandle(dev->of_node, "rockchip,cpu", 0); + 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++) { @@ -342,6 +396,7 @@ static int rockchip_sound_of_parse_dais(struct device *dev, 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);