From ca0392b0cb7de420e4ad1ec7e066e0c838a777f1 Mon Sep 17 00:00:00 2001 From: Shengjiu Wang Date: Fri, 17 Jul 2015 14:18:21 +0800 Subject: MLK-11259-2: ASoC: fsl: enable ASRC p2p for ssi->wm8962 (part1) Enable ASRC p2p for ssi->wm8962, base on the new p2p script, which support to select dualfifo for source/destination device. Signed-off-by: Shengjiu Wang [ Aisheng: split ASRC changes ] Signed-off-by: Dong Aisheng --- sound/soc/fsl/imx-wm8962.c | 105 +++++++++++++++++++++++++++++++++++++++------ 1 file changed, 93 insertions(+), 12 deletions(-) (limited to 'sound/soc/fsl/imx-wm8962.c') diff --git a/sound/soc/fsl/imx-wm8962.c b/sound/soc/fsl/imx-wm8962.c index 4916081abea1..0784c00a9ef0 100644 --- a/sound/soc/fsl/imx-wm8962.c +++ b/sound/soc/fsl/imx-wm8962.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2013-2014 Freescale Semiconductor, Inc. + * Copyright (C) 2013-2015 Freescale Semiconductor, Inc. * * Based on imx-sgtl5000.c * Copyright (C) 2012 Freescale Semiconductor, Inc. @@ -33,7 +33,7 @@ #define DAI_NAME_SIZE 32 struct imx_wm8962_data { - struct snd_soc_dai_link dai; + struct snd_soc_dai_link dai[3]; struct snd_soc_card card; char codec_dai_name[DAI_NAME_SIZE]; char platform_name[DAI_NAME_SIZE]; @@ -53,6 +53,9 @@ struct imx_priv { struct snd_pcm_substream *second_stream; struct snd_kcontrol *headphone_kctl; struct snd_card *snd_card; + struct platform_device *asrc_pdev; + u32 asrc_rate; + u32 asrc_format; }; static struct imx_priv card_priv; @@ -497,6 +500,25 @@ static int imx_wm8962_late_probe(struct snd_soc_card *card) return ret; } +static int be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) { + struct imx_priv *priv = &card_priv; + struct snd_interval *rate; + struct snd_mask *mask; + + if (!priv->asrc_pdev) + return -EINVAL; + + rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + rate->max = rate->min = priv->asrc_rate; + + mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); + snd_mask_none(mask); + snd_mask_set(mask, priv->asrc_format); + + return 0; +} + static int imx_wm8962_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -508,8 +530,12 @@ static int imx_wm8962_probe(struct platform_device *pdev) struct clk *codec_clk; int int_port, ext_port; int ret; + struct platform_device *asrc_pdev = NULL; + struct device_node *asrc_np; + u32 width; priv->pdev = pdev; + priv->asrc_pdev = NULL; cpu_np = of_parse_phandle(pdev->dev.of_node, "cpu-dai", 0); if (!cpu_np) { @@ -578,6 +604,12 @@ audmux_bypass: goto fail; } + asrc_np = of_parse_phandle(pdev->dev.of_node, "asrc-controller", 0); + if (asrc_np) { + asrc_pdev = of_find_device_by_node(asrc_np); + priv->asrc_pdev = asrc_pdev; + } + priv->first_stream = NULL; priv->second_stream = NULL; @@ -605,16 +637,66 @@ audmux_bypass: priv->mic_gpio = of_get_named_gpio_flags(np, "mic-det-gpios", 0, (enum of_gpio_flags *)&priv->mic_active_low); - data->dai.name = "HiFi"; - data->dai.stream_name = "HiFi"; - data->dai.codec_dai_name = "wm8962"; - data->dai.codec_of_node = codec_np; - data->dai.cpu_dai_name = dev_name(&cpu_pdev->dev); - data->dai.platform_of_node = cpu_np; - data->dai.ops = &imx_hifi_ops; - data->dai.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + data->dai[0].name = "HiFi"; + data->dai[0].stream_name = "HiFi"; + data->dai[0].codec_dai_name = "wm8962"; + data->dai[0].codec_of_node = codec_np; + data->dai[0].cpu_dai_name = dev_name(&cpu_pdev->dev); + data->dai[0].platform_of_node = cpu_np; + data->dai[0].ops = &imx_hifi_ops; + data->dai[0].dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM; + data->card.num_links = 1; + + if (asrc_pdev) { + data->dai[0].ignore_pmdown_time = 1; + data->dai[1].name = "HiFi-ASRC-FE"; + data->dai[1].stream_name = "HiFi-ASRC-FE"; + data->dai[1].codec_name = "snd-soc-dummy"; + data->dai[1].codec_dai_name = "snd-soc-dummy-dai"; + data->dai[1].cpu_of_node = asrc_np; + data->dai[1].platform_of_node = asrc_np; + data->dai[1].dynamic = 1; + data->dai[1].ignore_pmdown_time = 1; + data->dai[1].dpcm_playback = 1; + data->dai[1].dpcm_capture = 1; + + data->dai[2].name = "HiFi-ASRC-BE"; + data->dai[2].stream_name = "HiFi-ASRC-BE"; + data->dai[2].codec_dai_name = "wm8962"; + data->dai[2].codec_of_node = codec_np; + data->dai[2].cpu_dai_name = dev_name(&cpu_pdev->dev); + data->dai[2].platform_name = "snd-soc-dummy"; + data->dai[2].ops = &imx_hifi_ops; + data->dai[2].be_hw_params_fixup = be_hw_params_fixup; + data->dai[2].no_pcm = 1; + data->dai[2].ignore_pmdown_time = 1; + data->dai[2].dpcm_playback = 1; + data->dai[2].dpcm_capture = 1; + data->card.num_links = 3; + + ret = of_property_read_u32(asrc_np, "fsl,asrc-rate", + &priv->asrc_rate); + if (ret) { + dev_err(&pdev->dev, "failed to get output rate\n"); + ret = -EINVAL; + goto fail; + } + + ret = of_property_read_u32(asrc_np, "fsl,asrc-width", &width); + if (ret) { + dev_err(&pdev->dev, "failed to get output rate\n"); + ret = -EINVAL; + goto fail; + } + + if (width == 24) + priv->asrc_format = SNDRV_PCM_FORMAT_S24_LE; + else + priv->asrc_format = SNDRV_PCM_FORMAT_S16_LE; + } + data->card.dev = &pdev->dev; ret = snd_soc_of_parse_card_name(&data->card, "model"); if (ret) @@ -622,9 +704,8 @@ audmux_bypass: ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing"); if (ret) goto fail; - data->card.num_links = 1; data->card.owner = THIS_MODULE; - data->card.dai_link = &data->dai; + data->card.dai_link = data->dai; data->card.dapm_widgets = imx_wm8962_dapm_widgets; data->card.num_dapm_widgets = ARRAY_SIZE(imx_wm8962_dapm_widgets); -- cgit v1.2.3