From d0b2f91bede3bd5e3d24dd6803e56eee959c1797 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Thu, 20 Oct 2016 00:10:27 -0300 Subject: Linux-libre 4.8.2-gnu --- sound/soc/mediatek/mt8173/mt8173-rt5650.c | 347 ++++++++++++++++++++++++++++++ 1 file changed, 347 insertions(+) create mode 100644 sound/soc/mediatek/mt8173/mt8173-rt5650.c (limited to 'sound/soc/mediatek/mt8173/mt8173-rt5650.c') diff --git a/sound/soc/mediatek/mt8173/mt8173-rt5650.c b/sound/soc/mediatek/mt8173/mt8173-rt5650.c new file mode 100644 index 000000000..ba65f4157 --- /dev/null +++ b/sound/soc/mediatek/mt8173/mt8173-rt5650.c @@ -0,0 +1,347 @@ +/* + * mt8173-rt5650.c -- MT8173 machine driver with RT5650 codecs + * + * Copyright (c) 2016 MediaTek Inc. + * Author: Koro Chen + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include +#include +#include +#include "../../codecs/rt5645.h" + +#define MCLK_FOR_CODECS 12288000 + +enum mt8173_rt5650_mclk { + MT8173_RT5650_MCLK_EXTERNAL = 0, + MT8173_RT5650_MCLK_INTERNAL, +}; + +struct mt8173_rt5650_platform_data { + enum mt8173_rt5650_mclk pll_from; + /* 0 = external oscillator; 1 = internal source from mt8173 */ +}; + +static struct mt8173_rt5650_platform_data mt8173_rt5650_priv = { + .pll_from = MT8173_RT5650_MCLK_EXTERNAL, +}; + +static const struct snd_soc_dapm_widget mt8173_rt5650_widgets[] = { + SND_SOC_DAPM_SPK("Speaker", NULL), + SND_SOC_DAPM_MIC("Int Mic", NULL), + SND_SOC_DAPM_HP("Headphone", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), +}; + +static const struct snd_soc_dapm_route mt8173_rt5650_routes[] = { + {"Speaker", NULL, "SPOL"}, + {"Speaker", NULL, "SPOR"}, + {"DMIC L1", NULL, "Int Mic"}, + {"DMIC R1", NULL, "Int Mic"}, + {"Headphone", NULL, "HPOL"}, + {"Headphone", NULL, "HPOR"}, + {"Headset Mic", NULL, "micbias1"}, + {"Headset Mic", NULL, "micbias2"}, + {"IN1P", NULL, "Headset Mic"}, + {"IN1N", NULL, "Headset Mic"}, +}; + +static const struct snd_kcontrol_new mt8173_rt5650_controls[] = { + SOC_DAPM_PIN_SWITCH("Speaker"), + SOC_DAPM_PIN_SWITCH("Int Mic"), + SOC_DAPM_PIN_SWITCH("Headphone"), + SOC_DAPM_PIN_SWITCH("Headset Mic"), +}; + +static int mt8173_rt5650_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_clock; + int i, ret; + + switch (mt8173_rt5650_priv.pll_from) { + case MT8173_RT5650_MCLK_EXTERNAL: + /* mclk = 12.288M */ + mclk_clock = MCLK_FOR_CODECS; + break; + case MT8173_RT5650_MCLK_INTERNAL: + /* mclk = sampling rate*256 */ + mclk_clock = params_rate(params) * 256; + break; + default: + /* mclk = 12.288M */ + mclk_clock = MCLK_FOR_CODECS; + break; + } + + for (i = 0; i < rtd->num_codecs; i++) { + struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; + + /* pll from mclk */ + ret = snd_soc_dai_set_pll(codec_dai, 0, 0, mclk_clock, + params_rate(params) * 512); + if (ret) + return ret; + + /* sysclk from pll */ + ret = snd_soc_dai_set_sysclk(codec_dai, 1, + params_rate(params) * 512, + SND_SOC_CLOCK_IN); + if (ret) + return ret; + } + return 0; +} + +static struct snd_soc_ops mt8173_rt5650_ops = { + .hw_params = mt8173_rt5650_hw_params, +}; + +static struct snd_soc_jack mt8173_rt5650_jack; + +static int mt8173_rt5650_init(struct snd_soc_pcm_runtime *runtime) +{ + struct snd_soc_card *card = runtime->card; + struct snd_soc_codec *codec = runtime->codec_dais[0]->codec; + const char *codec_capture_dai = runtime->codec_dais[1]->name; + int ret; + + rt5645_sel_asrc_clk_src(codec, + RT5645_DA_STEREO_FILTER, + RT5645_CLK_SEL_I2S1_ASRC); + + if (!strcmp(codec_capture_dai, "rt5645-aif1")) { + rt5645_sel_asrc_clk_src(codec, + RT5645_AD_STEREO_FILTER, + RT5645_CLK_SEL_I2S1_ASRC); + } else if (!strcmp(codec_capture_dai, "rt5645-aif2")) { + rt5645_sel_asrc_clk_src(codec, + RT5645_AD_STEREO_FILTER, + RT5645_CLK_SEL_I2S2_ASRC); + } else { + dev_warn(card->dev, + "Only one dai codec found in DTS, enabled rt5645 AD filter\n"); + rt5645_sel_asrc_clk_src(codec, + RT5645_AD_STEREO_FILTER, + RT5645_CLK_SEL_I2S1_ASRC); + } + + /* enable jack detection */ + ret = snd_soc_card_jack_new(card, "Headset Jack", + SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3, + &mt8173_rt5650_jack, NULL, 0); + if (ret) { + dev_err(card->dev, "Can't new Headset Jack %d\n", ret); + return ret; + } + + return rt5645_set_jack_detect(codec, + &mt8173_rt5650_jack, + &mt8173_rt5650_jack, + &mt8173_rt5650_jack); +} + +static struct snd_soc_dai_link_component mt8173_rt5650_codecs[] = { + { + /* Playback */ + .dai_name = "rt5645-aif1", + }, + { + /* Capture */ + .dai_name = "rt5645-aif1", + }, +}; + +enum { + DAI_LINK_PLAYBACK, + DAI_LINK_CAPTURE, + DAI_LINK_HDMI, + DAI_LINK_CODEC_I2S, + DAI_LINK_HDMI_I2S, +}; + +/* Digital audio interface glue - connects codec <---> CPU */ +static struct snd_soc_dai_link mt8173_rt5650_dais[] = { + /* Front End DAI links */ + [DAI_LINK_PLAYBACK] = { + .name = "rt5650 Playback", + .stream_name = "rt5650 Playback", + .cpu_dai_name = "DL1", + .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, + }, + [DAI_LINK_CAPTURE] = { + .name = "rt5650 Capture", + .stream_name = "rt5650 Capture", + .cpu_dai_name = "VUL", + .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_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] = { + .name = "Codec", + .cpu_dai_name = "I2S", + .no_pcm = 1, + .codecs = mt8173_rt5650_codecs, + .num_codecs = 2, + .init = mt8173_rt5650_init, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + .ops = &mt8173_rt5650_ops, + .ignore_pmdown_time = 1, + .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, + }, +}; + +static struct snd_soc_card mt8173_rt5650_card = { + .name = "mtk-rt5650", + .owner = THIS_MODULE, + .dai_link = mt8173_rt5650_dais, + .num_links = ARRAY_SIZE(mt8173_rt5650_dais), + .controls = mt8173_rt5650_controls, + .num_controls = ARRAY_SIZE(mt8173_rt5650_controls), + .dapm_widgets = mt8173_rt5650_widgets, + .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_widgets), + .dapm_routes = mt8173_rt5650_routes, + .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_routes), +}; + +static int mt8173_rt5650_dev_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &mt8173_rt5650_card; + struct device_node *platform_node; + struct device_node *np; + const char *codec_capture_dai; + int i, ret; + + platform_node = of_parse_phandle(pdev->dev.of_node, + "mediatek,platform", 0); + if (!platform_node) { + dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); + return -EINVAL; + } + + for (i = 0; i < card->num_links; i++) { + if (mt8173_rt5650_dais[i].platform_name) + continue; + mt8173_rt5650_dais[i].platform_of_node = platform_node; + } + + mt8173_rt5650_codecs[0].of_node = + of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); + if (!mt8173_rt5650_codecs[0].of_node) { + dev_err(&pdev->dev, + "Property 'audio-codec' missing or invalid\n"); + return -EINVAL; + } + mt8173_rt5650_codecs[1].of_node = mt8173_rt5650_codecs[0].of_node; + + if (of_find_node_by_name(platform_node, "codec-capture")) { + np = of_get_child_by_name(pdev->dev.of_node, "codec-capture"); + if (!np) { + dev_err(&pdev->dev, + "%s: Can't find codec-capture DT node\n", + __func__); + return -EINVAL; + } + ret = snd_soc_of_get_dai_name(np, &codec_capture_dai); + if (ret < 0) { + dev_err(&pdev->dev, + "%s codec_capture_dai name fail %d\n", + __func__, ret); + return ret; + } + mt8173_rt5650_codecs[1].dai_name = codec_capture_dai; + } + + if (device_property_present(&pdev->dev, "mediatek,mclk")) { + ret = device_property_read_u32(&pdev->dev, + "mediatek,mclk", + &mt8173_rt5650_priv.pll_from); + if (ret) { + dev_err(&pdev->dev, + "%s snd_soc_register_card fail %d\n", + __func__, ret); + } + } + + mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codec_of_node = + of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); + if (!mt8173_rt5650_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); + + 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; +} + +static const struct of_device_id mt8173_rt5650_dt_match[] = { + { .compatible = "mediatek,mt8173-rt5650", }, + { } +}; +MODULE_DEVICE_TABLE(of, mt8173_rt5650_dt_match); + +static struct platform_driver mt8173_rt5650_driver = { + .driver = { + .name = "mtk-rt5650", + .of_match_table = mt8173_rt5650_dt_match, +#ifdef CONFIG_PM + .pm = &snd_soc_pm_ops, +#endif + }, + .probe = mt8173_rt5650_dev_probe, +}; + +module_platform_driver(mt8173_rt5650_driver); + +/* Module information */ +MODULE_DESCRIPTION("MT8173 RT5650 SoC machine driver"); +MODULE_AUTHOR("Koro Chen "); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:mtk-rt5650"); + -- cgit v1.2.3-54-g00ecf