diff options
Diffstat (limited to 'sound/soc/intel/boards/hsw_rt5640.c')
| -rw-r--r-- | sound/soc/intel/boards/hsw_rt5640.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/hsw_rt5640.c b/sound/soc/intel/boards/hsw_rt5640.c new file mode 100644 index 000000000..050c53ebd --- /dev/null +++ b/sound/soc/intel/boards/hsw_rt5640.c @@ -0,0 +1,177 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Sound card driver for Intel Haswell Lynx Point with Realtek 5640 + * + * 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/pcm_params.h> +#include <sound/soc.h> +#include <sound/soc-acpi.h> +#include "../../codecs/rt5640.h" + +static const struct snd_soc_dapm_widget card_widgets[] = { + SND_SOC_DAPM_HP("Headphones", NULL), + SND_SOC_DAPM_MIC("Mic", NULL), +}; + +static const struct snd_soc_dapm_route card_routes[] = { + {"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 codec_link_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) +{ + struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + + /* The ADSP will convert 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 codec_link_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, "set codec sysclk failed: %d\n", ret); + 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 codec_link_ops = { + .hw_params = codec_link_hw_params, +}; + +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(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY())); +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 card_dai_links[] = { + /* 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, + .nonatomic = 1, + .no_pcm = 1, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC, + .ignore_pmdown_time = 1, + .be_hw_params_fixup = codec_link_hw_params_fixup, + .ops = &codec_link_ops, + .dpcm_playback = 1, + .dpcm_capture = 1, + SND_SOC_DAILINK_REG(ssp0_port, codec, platform), + }, +}; + +static struct snd_soc_card hsw_rt5640_card = { + .name = "haswell-rt5640", + .owner = THIS_MODULE, + .dai_link = card_dai_links, + .num_links = ARRAY_SIZE(card_dai_links), + .dapm_widgets = card_widgets, + .num_dapm_widgets = ARRAY_SIZE(card_widgets), + .dapm_routes = card_routes, + .num_dapm_routes = ARRAY_SIZE(card_routes), + .fully_routed = true, +}; + +static int hsw_rt5640_probe(struct platform_device *pdev) +{ + struct snd_soc_acpi_mach *mach; + struct device *dev = &pdev->dev; + int ret; + + hsw_rt5640_card.dev = dev; + mach = dev_get_platdata(dev); + + ret = snd_soc_fixup_dai_links_platform_name(&hsw_rt5640_card, mach->mach_params.platform); + if (ret) + return ret; + + return devm_snd_soc_register_card(dev, &hsw_rt5640_card); +} + +static struct platform_driver hsw_rt5640_driver = { + .probe = hsw_rt5640_probe, + .driver = { + .name = "hsw_rt5640", + .pm = &snd_soc_pm_ops, + }, +}; + +module_platform_driver(hsw_rt5640_driver) + +MODULE_AUTHOR("Liam Girdwood, Xingchao Wang"); +MODULE_DESCRIPTION("Sound card driver for Intel Haswell Lynx Point with Realtek 5640"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:hsw_rt5640"); |