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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -58,7 +58,7 @@ Signed-off-by: John Crispin <[email protected]> | |
| obj-$(CONFIG_SND_SOC) += sirf/ | ||
| --- /dev/null | ||
| +++ b/sound/soc/ralink/Kconfig | ||
| @@ -0,0 +1,8 @@ | ||
| @@ -0,0 +1,15 @@ | ||
| +config SND_RALINK_SOC_I2S | ||
| + depends on RALINK && SND_SOC && !SOC_RT288X | ||
| + select SND_SOC_GENERIC_DMAENGINE_PCM | ||
|
|
@@ -67,15 +67,26 @@ Signed-off-by: John Crispin <[email protected]> | |
| + help | ||
| + Say Y if you want to use I2S protocol and I2S codec on Ralink/MediaTek | ||
| + based boards. | ||
| + | ||
| +config SND_SOC_MT76X8_WM8960 | ||
| + tristate "ASoC Audio driver for Ralink SoC with WM8960 codec" | ||
| + depends on SND_RALINK_SOC_I2S && I2C | ||
| + select SND_SOC_WM8960 | ||
| + help | ||
| + Say Y if you want to use WM8960 codec on Ralink/MediaTek based boards. | ||
| --- /dev/null | ||
| +++ b/sound/soc/ralink/Makefile | ||
| @@ -0,0 +1,6 @@ | ||
| @@ -0,0 +1,10 @@ | ||
| +# | ||
| +# Ralink/MediaTek Platform Support | ||
| +# | ||
| +snd-soc-ralink-i2s-objs := ralink-i2s.o | ||
| + | ||
| +obj-$(CONFIG_SND_RALINK_SOC_I2S) += snd-soc-ralink-i2s.o | ||
| + | ||
| +snd-soc-mt76x8-wm8960-objs := mt76x8-wm8960.o | ||
| + | ||
| +obj-$(CONFIG_SND_SOC_MT76X8_WM8960) += snd-soc-mt76x8-wm8960.o | ||
| --- /dev/null | ||
| +++ b/sound/soc/ralink/ralink-i2s.c | ||
| @@ -0,0 +1,965 @@ | ||
|
|
@@ -1044,3 +1055,169 @@ Signed-off-by: John Crispin <[email protected]> | |
| +MODULE_DESCRIPTION("Ralink/MediaTek I2S driver"); | ||
| +MODULE_LICENSE("GPL"); | ||
| +MODULE_ALIAS("platform:" DRV_NAME); | ||
| --- /dev/null | ||
| +++ b/sound/soc/ralink/mt76x8-wm8960.c | ||
| @@ -0,0 +1,163 @@ | ||
| +/* | ||
| + * mt76x8-wm8960.c -- MT76x8 WM8960 ALSA SoC machine driver | ||
| + * | ||
| + * Copyright 2018 Jack Chen <[email protected]> | ||
| + * | ||
| + * Based on mt2701-wm8960.c | ||
| + * Copyright (c) 2017 MediaTek Inc. | ||
| + * Author: Ryder Lee <[email protected]> | ||
| + * | ||
| + * The code contained herein is licensed under the GNU General Public | ||
| + * License. You may obtain a copy of the GNU General Public License | ||
| + * Version 2 or later at the following locations: | ||
| + * | ||
| + * http://www.opensource.org/licenses/gpl-license.html | ||
| + * http://www.gnu.org/copyleft/gpl.html | ||
| + */ | ||
| + | ||
| +#include <linux/module.h> | ||
| +#include <linux/of_platform.h> | ||
| +#include <linux/i2c.h> | ||
| +#include <linux/slab.h> | ||
| +#include <sound/soc.h> | ||
| +#include <sound/pcm_params.h> | ||
| +#include <sound/soc-dapm.h> | ||
| +#include <linux/pinctrl/consumer.h> | ||
| + | ||
| +#include "../codecs/wm8960.h" | ||
| + | ||
| +static const struct snd_soc_dapm_widget mt76x8_wm8960_dapm_widgets[] = { | ||
| + SND_SOC_DAPM_HP("Headphone", NULL), | ||
| + SND_SOC_DAPM_SPK("Ext Spk", NULL), | ||
| + SND_SOC_DAPM_LINE("Line In", NULL), | ||
| + SND_SOC_DAPM_MIC("Mic", NULL), | ||
| +}; | ||
| + | ||
| +static int mt76x8_wm8960_ops_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 *codec_dai = rtd->codec_dai; | ||
| + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | ||
| + unsigned int mclk_rate; | ||
| + unsigned int rate = params_rate(params); | ||
| + unsigned int div_mclk_over_bck = rate > 192000 ? 2 : 4; | ||
| + unsigned int div_bck_over_lrck = 64; | ||
| + | ||
| + mclk_rate = rate * div_bck_over_lrck * div_mclk_over_bck; | ||
| + | ||
| + snd_soc_dai_set_sysclk(cpu_dai, 0, mclk_rate, SND_SOC_CLOCK_OUT); | ||
| + snd_soc_dai_set_sysclk(codec_dai, 0, mclk_rate, SND_SOC_CLOCK_IN); | ||
| + | ||
| + return 0; | ||
| +} | ||
| + | ||
| +static struct snd_soc_ops mt76x8_wm8960_ops = { | ||
| + .hw_params = mt76x8_wm8960_ops_hw_params, | ||
| +}; | ||
| + | ||
| +static struct snd_soc_dai_link mt76x8_wm8960_dai_links[] = { | ||
| + { | ||
| + .name = "wm8960-codec", | ||
| + .stream_name = "wm8960-hifi", | ||
| + .cpu_dai_name = "ralink-i2s", | ||
| + .codec_dai_name = "wm8960-hifi", | ||
| + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, | ||
| + .ops = &mt76x8_wm8960_ops, | ||
| + .dpcm_playback = 1, | ||
| + .dpcm_capture = 1, | ||
| + }, | ||
| +}; | ||
| + | ||
| +static struct snd_soc_card mt76x8_wm8960_card = { | ||
| + .name = "MT76x8 WM8960 ASoC Card", | ||
| + .owner = THIS_MODULE, | ||
| + .dai_link = mt76x8_wm8960_dai_links, | ||
| + .num_links = ARRAY_SIZE(mt76x8_wm8960_dai_links), | ||
| + .dapm_widgets = mt76x8_wm8960_dapm_widgets, | ||
| + .num_dapm_widgets = ARRAY_SIZE(mt76x8_wm8960_dapm_widgets), | ||
| +}; | ||
| + | ||
| +static int mt76x8_wm8960_machine_probe(struct platform_device *pdev) | ||
| +{ | ||
| + struct snd_soc_card *card = &mt76x8_wm8960_card; | ||
| + struct device_node *platform_node, *codec_node; | ||
| + struct platform_device *platform_dev; | ||
| + struct i2c_client *codec_dev; | ||
| + int ret, i; | ||
| + | ||
| + 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; | ||
| + } | ||
| + platform_dev = of_find_device_by_node(platform_node); | ||
| + if (!platform_dev) { | ||
| + dev_err(&pdev->dev, "failed to find platform device\n"); | ||
| + return -EINVAL; | ||
| + } | ||
| + for (i=0; i<card->num_links; i++) { | ||
| + if (mt76x8_wm8960_dai_links[i].platform_name) { | ||
| + continue; | ||
| + } | ||
| + mt76x8_wm8960_dai_links[i].platform_of_node = platform_node; | ||
| + } | ||
| + | ||
| + card->dev = &pdev->dev; | ||
| + | ||
| + codec_node = of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); | ||
| + if (!codec_node) { | ||
| + dev_err(&pdev->dev, "property 'audio-codec' missing or invalid\n"); | ||
| + return -EINVAL; | ||
| + } | ||
| + codec_dev = of_find_i2c_device_by_node(codec_node); | ||
| + if (!codec_dev || !codec_dev->dev.driver) { | ||
| + dev_err(&pdev->dev, "failed to find audio codec device\n"); | ||
| + return -EINVAL; | ||
| + } | ||
| + for (i=0; i<card->num_links; i++) { | ||
| + if (mt76x8_wm8960_dai_links[i].codec_name) { | ||
| + continue; | ||
| + } | ||
| + mt76x8_wm8960_dai_links[i].codec_of_node = codec_node; | ||
| + } | ||
| + | ||
| + ret = snd_soc_of_parse_audio_routing(card, "audio-routing"); | ||
| + if (ret) { | ||
| + dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret); | ||
| + return ret; | ||
| + } | ||
| + | ||
| + 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; | ||
| +} | ||
| + | ||
| +#ifdef CONFIG_OF | ||
| +static const struct of_device_id mt76x8_wm8960_machine_dt_match[] = { | ||
| + {.compatible = "mediatek,mt76x8-wm8960-machine"}, | ||
| + {} | ||
| +}; | ||
| +#endif | ||
| + | ||
| +static struct platform_driver mt76x8_wm8960_machine = { | ||
| + .driver = { | ||
| + .name = "mt76x8-wm8960", | ||
| + .owner = THIS_MODULE, | ||
| +#ifdef CONFIG_OF | ||
| + .of_match_table = mt76x8_wm8960_machine_dt_match, | ||
| +#endif | ||
| + }, | ||
| + .probe = mt76x8_wm8960_machine_probe, | ||
| +}; | ||
| + | ||
| +module_platform_driver(mt76x8_wm8960_machine); | ||
| + | ||
| +/* Module information */ | ||
| +MODULE_DESCRIPTION("MT76x8 WM8960 ALSA SoC machine driver"); | ||
| +MODULE_AUTHOR("Jack Chen <[email protected]>"); | ||
| +MODULE_LICENSE("GPL v2"); | ||
| +MODULE_ALIAS("MT76x8 WM8960 ASoC driver"); | ||