From mboxrd@z Thu Jan 1 00:00:00 1970 From: Philipp Zabel Subject: [RFC v4 3/8] ASoC: mediatek: Add HDMI dai-links in the machine driver Date: Thu, 18 Feb 2016 16:02:16 +0100 Message-ID: <1455807741-19122-1-git-send-email-p.zabel@pengutronix.de> References: <1455807526-16918-1-git-send-email-p.zabel@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1455807526-16918-1-git-send-email-p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+glpam-linux-mediatek=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org Cc: Jean-Francois Moine , Koro Chen , Lars-Peter Clausen , Russell King - ARM Linux , Philipp Zabel , Arnaud Pouliquen , Liam Girdwood , Jyri Sarha , Cawa Cheng , Mark Brown , linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, Matthias Brugger List-Id: alsa-devel@alsa-project.org From: Koro Chen This creates pcmC0D2p for the HDMI playback in the same card. Signed-off-by: Koro Chen Signed-off-by: Philipp Zabel --- .../bindings/sound/mt8173-rt5650-rt5676.txt | 5 ++- sound/soc/mediatek/mt8173-rt5650-rt5676.c | 48 ++++++++++++++++++++++ 2 files changed, 51 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt b/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt index f205ce9..ac28cdb 100644 --- a/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt +++ b/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt @@ -1,15 +1,16 @@ -MT8173 with RT5650 RT5676 CODECS +MT8173 with RT5650 RT5676 CODECS and HDMI via I2S Required properties: - compatible : "mediatek,mt8173-rt5650-rt5676" - mediatek,audio-codec: the phandles of rt5650 and rt5676 codecs + and of the hdmi encoder node - mediatek,platform: the phandle of MT8173 ASoC platform Example: sound { compatible = "mediatek,mt8173-rt5650-rt5676"; - mediatek,audio-codec = <&rt5650 &rt5676>; + mediatek,audio-codec = <&rt5650 &rt5676 &hdmi0>; mediatek,platform = <&afe>; }; diff --git a/sound/soc/mediatek/mt8173-rt5650-rt5676.c b/sound/soc/mediatek/mt8173-rt5650-rt5676.c index 5c4c58c..def9d95 100644 --- a/sound/soc/mediatek/mt8173-rt5650-rt5676.c +++ b/sound/soc/mediatek/mt8173-rt5650-rt5676.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include "../codecs/rt5645.h" #include "../codecs/rt5677.h" @@ -131,10 +132,31 @@ static struct snd_soc_dai_link_component mt8173_rt5650_rt5676_codecs[] = { }, }; +static struct snd_soc_jack mt8173_hdmi_card_jack; + +static int mt8173_hdmi_init(struct snd_soc_pcm_runtime *runtime) +{ + struct snd_soc_card *card = runtime->card; + struct snd_soc_codec *codec = runtime->codec; + int ret; + + /* enable jack detection */ + ret = snd_soc_card_jack_new(card, "HDMI Jack", SND_JACK_LINEOUT, + &mt8173_hdmi_card_jack, NULL, 0); + if (ret) { + dev_err(card->dev, "Can't new HDMI Jack %d\n", ret); + return ret; + } + + return hdmi_codec_set_jack_detect(codec, &mt8173_hdmi_card_jack); +} + enum { DAI_LINK_PLAYBACK, DAI_LINK_CAPTURE, + DAI_LINK_HDMI, DAI_LINK_CODEC_I2S, + DAI_LINK_HDMI_I2S, DAI_LINK_INTERCODEC }; @@ -161,6 +183,16 @@ static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = { .dynamic = 1, .dpcm_capture = 1, }, + [DAI_LINK_HDMI] = { + .name = "HDMI", + .stream_name = "HDMI PCM", + .cpu_dai_name = "HDMI", + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, + .dynamic = 1, + .dpcm_playback = 1, + }, /* Back End DAI links */ [DAI_LINK_CODEC_I2S] = { @@ -177,6 +209,14 @@ static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = { .dpcm_playback = 1, .dpcm_capture = 1, }, + [DAI_LINK_HDMI_I2S] = { + .name = "HDMI BE", + .cpu_dai_name = "HDMIO", + .no_pcm = 1, + .codec_dai_name = "i2s-hifi", + .dpcm_playback = 1, + .init = mt8173_hdmi_init, + }, /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */ [DAI_LINK_INTERCODEC] = { .name = "rt5650_rt5676 intercodec", @@ -251,6 +291,14 @@ static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev) mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codec_of_node = mt8173_rt5650_rt5676_codecs[1].of_node; + mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codec_of_node = + of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2); + if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codec_of_node) { + dev_err(&pdev->dev, + "Property 'audio-codec' missing or invalid\n"); + return -EINVAL; + } + card->dev = &pdev->dev; platform_set_drvdata(pdev, card); -- 2.7.0