mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-17 17:53:56 +08:00
ASoC: mediatek: Add mt2701-wm8960 machine driver
Add wm8960 machine driver and config option for MT2701. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Ryder Lee
Mark Brown
parent
424dfbf2c0
commit
8625c1dbd8
@ -22,6 +22,16 @@ config SND_SOC_MT2701_CS42448
|
||||
Select Y if you have such device.
|
||||
If unsure select "N".
|
||||
|
||||
config SND_SOC_MT2701_WM8960
|
||||
tristate "ASoc Audio driver for MT2701 with WM8960 codec"
|
||||
depends on SND_SOC_MT2701
|
||||
select SND_SOC_WM8960
|
||||
help
|
||||
This adds ASoC driver for Mediatek MT2701 boards
|
||||
with the WM8960 codecs.
|
||||
Select Y if you have such device.
|
||||
If unsure select "N".
|
||||
|
||||
config SND_SOC_MT8173
|
||||
tristate "ASoC support for Mediatek MT8173 chip"
|
||||
depends on ARCH_MEDIATEK
|
||||
|
||||
@ -17,3 +17,4 @@ obj-$(CONFIG_SND_SOC_MT2701) += snd-soc-mt2701-afe.o
|
||||
|
||||
# machine driver
|
||||
obj-$(CONFIG_SND_SOC_MT2701_CS42448) += mt2701-cs42448.o
|
||||
obj-$(CONFIG_SND_SOC_MT2701_WM8960) += mt2701-wm8960.o
|
||||
|
||||
@ -603,6 +603,22 @@ static struct snd_soc_dai_ops mt2701_btmrg_ops = {
|
||||
|
||||
static struct snd_soc_dai_driver mt2701_afe_pcm_dais[] = {
|
||||
/* FE DAIs: memory intefaces to CPU */
|
||||
{
|
||||
.name = "PCMO0",
|
||||
.id = MT2701_MEMIF_DL1,
|
||||
.suspend = mtk_afe_dai_suspend,
|
||||
.resume = mtk_afe_dai_resume,
|
||||
.playback = {
|
||||
.stream_name = "DL1",
|
||||
.channels_min = 1,
|
||||
.channels_max = 2,
|
||||
.rates = SNDRV_PCM_RATE_8000_192000,
|
||||
.formats = (SNDRV_PCM_FMTBIT_S16_LE
|
||||
| SNDRV_PCM_FMTBIT_S24_LE
|
||||
| SNDRV_PCM_FMTBIT_S32_LE)
|
||||
},
|
||||
.ops = &mt2701_single_memif_dai_ops,
|
||||
},
|
||||
{
|
||||
.name = "PCM_multi",
|
||||
.id = MT2701_MEMIF_DLM,
|
||||
|
||||
176
sound/soc/mediatek/mt2701/mt2701-wm8960.c
Normal file
176
sound/soc/mediatek/mt2701/mt2701-wm8960.c
Normal file
@ -0,0 +1,176 @@
|
||||
/*
|
||||
* mt2701-wm8960.c -- MT2701 WM8960 ALSA SoC machine driver
|
||||
*
|
||||
* Copyright (c) 2017 MediaTek Inc.
|
||||
* Author: Ryder Lee <ryder.lee@mediatek.com>
|
||||
*
|
||||
* 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 <linux/module.h>
|
||||
#include <sound/soc.h>
|
||||
|
||||
#include "mt2701-afe-common.h"
|
||||
|
||||
static const struct snd_soc_dapm_widget mt2701_wm8960_widgets[] = {
|
||||
SND_SOC_DAPM_HP("Headphone", NULL),
|
||||
SND_SOC_DAPM_MIC("AMIC", NULL),
|
||||
};
|
||||
|
||||
static const struct snd_kcontrol_new mt2701_wm8960_controls[] = {
|
||||
SOC_DAPM_PIN_SWITCH("Headphone"),
|
||||
SOC_DAPM_PIN_SWITCH("AMIC"),
|
||||
};
|
||||
|
||||
static int mt2701_wm8960_be_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 mt2701_wm8960_be_ops = {
|
||||
.hw_params = mt2701_wm8960_be_ops_hw_params
|
||||
};
|
||||
|
||||
static struct snd_soc_dai_link mt2701_wm8960_dai_links[] = {
|
||||
/* FE */
|
||||
{
|
||||
.name = "wm8960-playback",
|
||||
.stream_name = "wm8960-playback",
|
||||
.cpu_dai_name = "PCMO0",
|
||||
.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,
|
||||
},
|
||||
{
|
||||
.name = "wm8960-capture",
|
||||
.stream_name = "wm8960-capture",
|
||||
.cpu_dai_name = "PCM0",
|
||||
.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,
|
||||
},
|
||||
/* BE */
|
||||
{
|
||||
.name = "wm8960-codec",
|
||||
.cpu_dai_name = "I2S0",
|
||||
.no_pcm = 1,
|
||||
.codec_dai_name = "wm8960-hifi",
|
||||
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS
|
||||
| SND_SOC_DAIFMT_GATED,
|
||||
.ops = &mt2701_wm8960_be_ops,
|
||||
.dpcm_playback = 1,
|
||||
.dpcm_capture = 1,
|
||||
},
|
||||
};
|
||||
|
||||
static struct snd_soc_card mt2701_wm8960_card = {
|
||||
.name = "mt2701-wm8960",
|
||||
.owner = THIS_MODULE,
|
||||
.dai_link = mt2701_wm8960_dai_links,
|
||||
.num_links = ARRAY_SIZE(mt2701_wm8960_dai_links),
|
||||
.controls = mt2701_wm8960_controls,
|
||||
.num_controls = ARRAY_SIZE(mt2701_wm8960_controls),
|
||||
.dapm_widgets = mt2701_wm8960_widgets,
|
||||
.num_dapm_widgets = ARRAY_SIZE(mt2701_wm8960_widgets),
|
||||
};
|
||||
|
||||
static int mt2701_wm8960_machine_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct snd_soc_card *card = &mt2701_wm8960_card;
|
||||
struct device_node *platform_node, *codec_node;
|
||||
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;
|
||||
}
|
||||
for (i = 0; i < card->num_links; i++) {
|
||||
if (mt2701_wm8960_dai_links[i].platform_name)
|
||||
continue;
|
||||
mt2701_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;
|
||||
}
|
||||
for (i = 0; i < card->num_links; i++) {
|
||||
if (mt2701_wm8960_dai_links[i].codec_name)
|
||||
continue;
|
||||
mt2701_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 mt2701_wm8960_machine_dt_match[] = {
|
||||
{.compatible = "mediatek,mt2701-wm8960-machine",},
|
||||
{}
|
||||
};
|
||||
#endif
|
||||
|
||||
static struct platform_driver mt2701_wm8960_machine = {
|
||||
.driver = {
|
||||
.name = "mt2701-wm8960",
|
||||
.owner = THIS_MODULE,
|
||||
#ifdef CONFIG_OF
|
||||
.of_match_table = mt2701_wm8960_machine_dt_match,
|
||||
#endif
|
||||
},
|
||||
.probe = mt2701_wm8960_machine_probe,
|
||||
};
|
||||
|
||||
module_platform_driver(mt2701_wm8960_machine);
|
||||
|
||||
/* Module information */
|
||||
MODULE_DESCRIPTION("MT2701 WM8960 ALSA SoC machine driver");
|
||||
MODULE_AUTHOR("Ryder Lee <ryder.lee@mediatek.com>");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
MODULE_ALIAS("mt2701 wm8960 soc card");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user