mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
202 lines
5.2 KiB
202 lines
5.2 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* Intel Haswell Lynxpoint SST Audio |
|
* |
|
* Copyright (C) 2013, Intel Corporation. All rights reserved. |
|
*/ |
|
|
|
#include <linux/module.h> |
|
#include <linux/platform_device.h> |
|
#include <sound/core.h> |
|
#include <sound/pcm.h> |
|
#include <sound/soc.h> |
|
#include <sound/soc-acpi.h> |
|
#include <sound/pcm_params.h> |
|
|
|
#include "../../codecs/rt5640.h" |
|
|
|
/* Haswell ULT platforms have a Headphone and Mic jack */ |
|
static const struct snd_soc_dapm_widget haswell_widgets[] = { |
|
SND_SOC_DAPM_HP("Headphones", NULL), |
|
SND_SOC_DAPM_MIC("Mic", NULL), |
|
}; |
|
|
|
static const struct snd_soc_dapm_route haswell_rt5640_map[] = { |
|
|
|
{"Headphones", NULL, "HPOR"}, |
|
{"Headphones", NULL, "HPOL"}, |
|
{"IN2P", NULL, "Mic"}, |
|
|
|
/* CODEC BE connections */ |
|
{"SSP0 CODEC IN", NULL, "AIF1 Capture"}, |
|
{"AIF1 Playback", NULL, "SSP0 CODEC OUT"}, |
|
}; |
|
|
|
static int haswell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd, |
|
struct snd_pcm_hw_params *params) |
|
{ |
|
struct snd_interval *rate = hw_param_interval(params, |
|
SNDRV_PCM_HW_PARAM_RATE); |
|
struct snd_interval *channels = hw_param_interval(params, |
|
SNDRV_PCM_HW_PARAM_CHANNELS); |
|
|
|
/* The ADSP will covert the FE rate to 48k, stereo */ |
|
rate->min = rate->max = 48000; |
|
channels->min = channels->max = 2; |
|
|
|
/* set SSP0 to 16 bit */ |
|
params_set_format(params, SNDRV_PCM_FORMAT_S16_LE); |
|
return 0; |
|
} |
|
|
|
static int haswell_rt5640_hw_params(struct snd_pcm_substream *substream, |
|
struct snd_pcm_hw_params *params) |
|
{ |
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
|
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
|
int ret; |
|
|
|
ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_MCLK, 12288000, |
|
SND_SOC_CLOCK_IN); |
|
|
|
if (ret < 0) { |
|
dev_err(rtd->dev, "can't set codec sysclk configuration\n"); |
|
return ret; |
|
} |
|
|
|
/* set correct codec filter for DAI format and clock config */ |
|
snd_soc_component_update_bits(codec_dai->component, 0x83, 0xffff, 0x8000); |
|
|
|
return ret; |
|
} |
|
|
|
static const struct snd_soc_ops haswell_rt5640_ops = { |
|
.hw_params = haswell_rt5640_hw_params, |
|
}; |
|
|
|
SND_SOC_DAILINK_DEF(dummy, |
|
DAILINK_COMP_ARRAY(COMP_DUMMY())); |
|
|
|
SND_SOC_DAILINK_DEF(system, |
|
DAILINK_COMP_ARRAY(COMP_CPU("System Pin"))); |
|
|
|
SND_SOC_DAILINK_DEF(offload0, |
|
DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin"))); |
|
|
|
SND_SOC_DAILINK_DEF(offload1, |
|
DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin"))); |
|
|
|
SND_SOC_DAILINK_DEF(loopback, |
|
DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin"))); |
|
|
|
SND_SOC_DAILINK_DEF(codec, |
|
DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT33CA:00", "rt5640-aif1"))); |
|
|
|
SND_SOC_DAILINK_DEF(platform, |
|
DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio"))); |
|
|
|
SND_SOC_DAILINK_DEF(ssp0_port, |
|
DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port"))); |
|
|
|
static struct snd_soc_dai_link haswell_rt5640_dais[] = { |
|
/* Front End DAI links */ |
|
{ |
|
.name = "System", |
|
.stream_name = "System Playback/Capture", |
|
.nonatomic = 1, |
|
.dynamic = 1, |
|
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
|
.dpcm_playback = 1, |
|
.dpcm_capture = 1, |
|
SND_SOC_DAILINK_REG(system, dummy, platform), |
|
}, |
|
{ |
|
.name = "Offload0", |
|
.stream_name = "Offload0 Playback", |
|
.nonatomic = 1, |
|
.dynamic = 1, |
|
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
|
.dpcm_playback = 1, |
|
SND_SOC_DAILINK_REG(offload0, dummy, platform), |
|
}, |
|
{ |
|
.name = "Offload1", |
|
.stream_name = "Offload1 Playback", |
|
.nonatomic = 1, |
|
.dynamic = 1, |
|
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
|
.dpcm_playback = 1, |
|
SND_SOC_DAILINK_REG(offload1, dummy, platform), |
|
}, |
|
{ |
|
.name = "Loopback", |
|
.stream_name = "Loopback", |
|
.nonatomic = 1, |
|
.dynamic = 1, |
|
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
|
.dpcm_capture = 1, |
|
SND_SOC_DAILINK_REG(loopback, dummy, platform), |
|
}, |
|
|
|
/* Back End DAI links */ |
|
{ |
|
/* SSP0 - Codec */ |
|
.name = "Codec", |
|
.id = 0, |
|
.no_pcm = 1, |
|
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
|
SND_SOC_DAIFMT_CBS_CFS, |
|
.ignore_pmdown_time = 1, |
|
.be_hw_params_fixup = haswell_ssp0_fixup, |
|
.ops = &haswell_rt5640_ops, |
|
.dpcm_playback = 1, |
|
.dpcm_capture = 1, |
|
SND_SOC_DAILINK_REG(ssp0_port, codec, platform), |
|
}, |
|
}; |
|
|
|
/* audio machine driver for Haswell Lynxpoint DSP + RT5640 */ |
|
static struct snd_soc_card haswell_rt5640 = { |
|
.name = "haswell-rt5640", |
|
.owner = THIS_MODULE, |
|
.dai_link = haswell_rt5640_dais, |
|
.num_links = ARRAY_SIZE(haswell_rt5640_dais), |
|
.dapm_widgets = haswell_widgets, |
|
.num_dapm_widgets = ARRAY_SIZE(haswell_widgets), |
|
.dapm_routes = haswell_rt5640_map, |
|
.num_dapm_routes = ARRAY_SIZE(haswell_rt5640_map), |
|
.fully_routed = true, |
|
}; |
|
|
|
static int haswell_audio_probe(struct platform_device *pdev) |
|
{ |
|
struct snd_soc_acpi_mach *mach; |
|
int ret; |
|
|
|
haswell_rt5640.dev = &pdev->dev; |
|
|
|
/* override plaform name, if required */ |
|
mach = pdev->dev.platform_data; |
|
ret = snd_soc_fixup_dai_links_platform_name(&haswell_rt5640, |
|
mach->mach_params.platform); |
|
if (ret) |
|
return ret; |
|
|
|
return devm_snd_soc_register_card(&pdev->dev, &haswell_rt5640); |
|
} |
|
|
|
static struct platform_driver haswell_audio = { |
|
.probe = haswell_audio_probe, |
|
.driver = { |
|
.name = "haswell-audio", |
|
.pm = &snd_soc_pm_ops, |
|
}, |
|
}; |
|
|
|
module_platform_driver(haswell_audio) |
|
|
|
/* Module information */ |
|
MODULE_AUTHOR("Liam Girdwood, Xingchao Wang"); |
|
MODULE_DESCRIPTION("Intel SST Audio for Haswell Lynxpoint"); |
|
MODULE_LICENSE("GPL v2"); |
|
MODULE_ALIAS("platform:haswell-audio");
|
|
|