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.
338 lines
9.1 KiB
338 lines
9.1 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* ASoC machine driver for Intel Broadwell platforms with RT5650 codec |
|
* |
|
* Copyright 2019, The Chromium OS Authors. All rights reserved. |
|
*/ |
|
|
|
#include <linux/delay.h> |
|
#include <linux/gpio/consumer.h> |
|
#include <linux/module.h> |
|
#include <linux/platform_device.h> |
|
#include <sound/core.h> |
|
#include <sound/jack.h> |
|
#include <sound/pcm.h> |
|
#include <sound/pcm_params.h> |
|
#include <sound/soc.h> |
|
#include <sound/soc-acpi.h> |
|
|
|
#include "../../codecs/rt5645.h" |
|
|
|
struct bdw_rt5650_priv { |
|
struct gpio_desc *gpio_hp_en; |
|
struct snd_soc_component *component; |
|
}; |
|
|
|
static const struct snd_soc_dapm_widget bdw_rt5650_widgets[] = { |
|
SND_SOC_DAPM_HP("Headphone", NULL), |
|
SND_SOC_DAPM_SPK("Speaker", NULL), |
|
SND_SOC_DAPM_MIC("Headset Mic", NULL), |
|
SND_SOC_DAPM_MIC("DMIC Pair1", NULL), |
|
SND_SOC_DAPM_MIC("DMIC Pair2", NULL), |
|
}; |
|
|
|
static const struct snd_soc_dapm_route bdw_rt5650_map[] = { |
|
/* Speakers */ |
|
{"Speaker", NULL, "SPOL"}, |
|
{"Speaker", NULL, "SPOR"}, |
|
|
|
/* Headset jack connectors */ |
|
{"Headphone", NULL, "HPOL"}, |
|
{"Headphone", NULL, "HPOR"}, |
|
{"IN1P", NULL, "Headset Mic"}, |
|
{"IN1N", NULL, "Headset Mic"}, |
|
|
|
/* Digital MICs |
|
* DMIC Pair1 are the two DMICs connected on the DMICN1 connector. |
|
* DMIC Pair2 are the two DMICs connected on the DMICN2 connector. |
|
* Facing the camera, DMIC Pair1 are on the left side, DMIC Pair2 |
|
* are on the right side. |
|
*/ |
|
{"DMIC L1", NULL, "DMIC Pair1"}, |
|
{"DMIC R1", NULL, "DMIC Pair1"}, |
|
{"DMIC L2", NULL, "DMIC Pair2"}, |
|
{"DMIC R2", NULL, "DMIC Pair2"}, |
|
|
|
/* CODEC BE connections */ |
|
{"SSP0 CODEC IN", NULL, "AIF1 Capture"}, |
|
{"AIF1 Playback", NULL, "SSP0 CODEC OUT"}, |
|
}; |
|
|
|
static const struct snd_kcontrol_new bdw_rt5650_controls[] = { |
|
SOC_DAPM_PIN_SWITCH("Speaker"), |
|
SOC_DAPM_PIN_SWITCH("Headphone"), |
|
SOC_DAPM_PIN_SWITCH("Headset Mic"), |
|
SOC_DAPM_PIN_SWITCH("DMIC Pair1"), |
|
SOC_DAPM_PIN_SWITCH("DMIC Pair2"), |
|
}; |
|
|
|
|
|
static struct snd_soc_jack headphone_jack; |
|
static struct snd_soc_jack mic_jack; |
|
|
|
static struct snd_soc_jack_pin headphone_jack_pin = { |
|
.pin = "Headphone", |
|
.mask = SND_JACK_HEADPHONE, |
|
}; |
|
|
|
static struct snd_soc_jack_pin mic_jack_pin = { |
|
.pin = "Headset Mic", |
|
.mask = SND_JACK_MICROPHONE, |
|
}; |
|
|
|
static int broadwell_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 *chan = hw_param_interval(params, |
|
SNDRV_PCM_HW_PARAM_CHANNELS); |
|
|
|
/* The ADSP will covert the FE rate to 48k, max 4-channels */ |
|
rate->min = rate->max = 48000; |
|
chan->min = 2; |
|
chan->max = 4; |
|
|
|
/* set SSP0 to 24 bit */ |
|
snd_mask_set_format(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), |
|
SNDRV_PCM_FORMAT_S24_LE); |
|
|
|
return 0; |
|
} |
|
|
|
static int bdw_rt5650_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; |
|
|
|
/* Workaround: set codec PLL to 19.2MHz that PLL source is |
|
* from MCLK(24MHz) to conform 2.4MHz DMIC clock. |
|
*/ |
|
ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK, |
|
24000000, 19200000); |
|
if (ret < 0) { |
|
dev_err(rtd->dev, "can't set codec pll: %d\n", ret); |
|
return ret; |
|
} |
|
|
|
/* The actual MCLK freq is 24MHz. The codec is told that MCLK is |
|
* 24.576MHz to satisfy the requirement of rl6231_get_clk_info. |
|
* ASRC is enabled on AD and DA filters to ensure good audio quality. |
|
*/ |
|
ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1, 24576000, |
|
SND_SOC_CLOCK_IN); |
|
if (ret < 0) { |
|
dev_err(rtd->dev, "can't set codec sysclk configuration\n"); |
|
return ret; |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
static struct snd_soc_ops bdw_rt5650_ops = { |
|
.hw_params = bdw_rt5650_hw_params, |
|
}; |
|
|
|
static const unsigned int channels[] = { |
|
2, 4, |
|
}; |
|
|
|
static const struct snd_pcm_hw_constraint_list constraints_channels = { |
|
.count = ARRAY_SIZE(channels), |
|
.list = channels, |
|
.mask = 0, |
|
}; |
|
|
|
static int bdw_rt5650_fe_startup(struct snd_pcm_substream *substream) |
|
{ |
|
struct snd_pcm_runtime *runtime = substream->runtime; |
|
|
|
/* Board supports stereo and quad configurations for capture */ |
|
if (substream->stream != SNDRV_PCM_STREAM_CAPTURE) |
|
return 0; |
|
|
|
runtime->hw.channels_max = 4; |
|
return snd_pcm_hw_constraint_list(runtime, 0, |
|
SNDRV_PCM_HW_PARAM_CHANNELS, |
|
&constraints_channels); |
|
} |
|
|
|
static const struct snd_soc_ops bdw_rt5650_fe_ops = { |
|
.startup = bdw_rt5650_fe_startup, |
|
}; |
|
|
|
static int bdw_rt5650_init(struct snd_soc_pcm_runtime *rtd) |
|
{ |
|
struct bdw_rt5650_priv *bdw_rt5650 = |
|
snd_soc_card_get_drvdata(rtd->card); |
|
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
|
struct snd_soc_component *component = codec_dai->component; |
|
int ret; |
|
|
|
/* Enable codec ASRC function for Stereo DAC/Stereo1 ADC/DMIC/I2S1. |
|
* The ASRC clock source is clk_i2s1_asrc. |
|
*/ |
|
rt5645_sel_asrc_clk_src(component, |
|
RT5645_DA_STEREO_FILTER | |
|
RT5645_DA_MONO_L_FILTER | |
|
RT5645_DA_MONO_R_FILTER | |
|
RT5645_AD_STEREO_FILTER | |
|
RT5645_AD_MONO_L_FILTER | |
|
RT5645_AD_MONO_R_FILTER, |
|
RT5645_CLK_SEL_I2S1_ASRC); |
|
|
|
/* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */ |
|
ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0xF, 4, 24); |
|
|
|
if (ret < 0) { |
|
dev_err(rtd->dev, "can't set codec TDM slot %d\n", ret); |
|
return ret; |
|
} |
|
|
|
/* Create and initialize headphone jack */ |
|
if (snd_soc_card_jack_new(rtd->card, "Headphone Jack", |
|
SND_JACK_HEADPHONE, &headphone_jack, |
|
&headphone_jack_pin, 1)) { |
|
dev_err(component->dev, "Can't create headphone jack\n"); |
|
} |
|
|
|
/* Create and initialize mic jack */ |
|
if (snd_soc_card_jack_new(rtd->card, "Mic Jack", SND_JACK_MICROPHONE, |
|
&mic_jack, &mic_jack_pin, 1)) { |
|
dev_err(component->dev, "Can't create mic jack\n"); |
|
} |
|
|
|
rt5645_set_jack_detect(component, &headphone_jack, &mic_jack, NULL); |
|
|
|
bdw_rt5650->component = component; |
|
|
|
return 0; |
|
} |
|
|
|
/* broadwell digital audio interface glue - connects codec <--> CPU */ |
|
SND_SOC_DAILINK_DEF(dummy, |
|
DAILINK_COMP_ARRAY(COMP_DUMMY())); |
|
|
|
SND_SOC_DAILINK_DEF(fe, |
|
DAILINK_COMP_ARRAY(COMP_CPU("System Pin"))); |
|
|
|
SND_SOC_DAILINK_DEF(platform, |
|
DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio"))); |
|
|
|
SND_SOC_DAILINK_DEF(be, |
|
DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5650:00", "rt5645-aif1"))); |
|
|
|
SND_SOC_DAILINK_DEF(ssp0_port, |
|
DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port"))); |
|
|
|
static struct snd_soc_dai_link bdw_rt5650_dais[] = { |
|
/* Front End DAI links */ |
|
{ |
|
.name = "System PCM", |
|
.stream_name = "System Playback", |
|
.nonatomic = 1, |
|
.dynamic = 1, |
|
.ops = &bdw_rt5650_fe_ops, |
|
.trigger = { |
|
SND_SOC_DPCM_TRIGGER_POST, |
|
SND_SOC_DPCM_TRIGGER_POST |
|
}, |
|
.dpcm_playback = 1, |
|
.dpcm_capture = 1, |
|
SND_SOC_DAILINK_REG(fe, dummy, platform), |
|
}, |
|
|
|
/* Back End DAI links */ |
|
{ |
|
/* SSP0 - Codec */ |
|
.name = "Codec", |
|
.id = 0, |
|
.no_pcm = 1, |
|
.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF | |
|
SND_SOC_DAIFMT_CBS_CFS, |
|
.ignore_pmdown_time = 1, |
|
.be_hw_params_fixup = broadwell_ssp0_fixup, |
|
.ops = &bdw_rt5650_ops, |
|
.dpcm_playback = 1, |
|
.dpcm_capture = 1, |
|
.init = bdw_rt5650_init, |
|
SND_SOC_DAILINK_REG(ssp0_port, be, platform), |
|
}, |
|
}; |
|
|
|
/* use space before codec name to simplify card ID, and simplify driver name */ |
|
#define SOF_CARD_NAME "bdw rt5650" /* card name will be 'sof-bdw rt5650' */ |
|
#define SOF_DRIVER_NAME "SOF" |
|
|
|
#define CARD_NAME "bdw-rt5650" |
|
#define DRIVER_NAME NULL /* card name will be used for driver name */ |
|
|
|
/* ASoC machine driver for Broadwell DSP + RT5650 */ |
|
static struct snd_soc_card bdw_rt5650_card = { |
|
.name = CARD_NAME, |
|
.driver_name = DRIVER_NAME, |
|
.owner = THIS_MODULE, |
|
.dai_link = bdw_rt5650_dais, |
|
.num_links = ARRAY_SIZE(bdw_rt5650_dais), |
|
.dapm_widgets = bdw_rt5650_widgets, |
|
.num_dapm_widgets = ARRAY_SIZE(bdw_rt5650_widgets), |
|
.dapm_routes = bdw_rt5650_map, |
|
.num_dapm_routes = ARRAY_SIZE(bdw_rt5650_map), |
|
.controls = bdw_rt5650_controls, |
|
.num_controls = ARRAY_SIZE(bdw_rt5650_controls), |
|
.fully_routed = true, |
|
}; |
|
|
|
static int bdw_rt5650_probe(struct platform_device *pdev) |
|
{ |
|
struct bdw_rt5650_priv *bdw_rt5650; |
|
struct snd_soc_acpi_mach *mach; |
|
int ret; |
|
|
|
bdw_rt5650_card.dev = &pdev->dev; |
|
|
|
/* Allocate driver private struct */ |
|
bdw_rt5650 = devm_kzalloc(&pdev->dev, sizeof(struct bdw_rt5650_priv), |
|
GFP_KERNEL); |
|
if (!bdw_rt5650) |
|
return -ENOMEM; |
|
|
|
/* override plaform name, if required */ |
|
mach = pdev->dev.platform_data; |
|
ret = snd_soc_fixup_dai_links_platform_name(&bdw_rt5650_card, |
|
mach->mach_params.platform); |
|
|
|
if (ret) |
|
return ret; |
|
|
|
/* set card and driver name */ |
|
if (snd_soc_acpi_sof_parent(&pdev->dev)) { |
|
bdw_rt5650_card.name = SOF_CARD_NAME; |
|
bdw_rt5650_card.driver_name = SOF_DRIVER_NAME; |
|
} else { |
|
bdw_rt5650_card.name = CARD_NAME; |
|
bdw_rt5650_card.driver_name = DRIVER_NAME; |
|
} |
|
|
|
snd_soc_card_set_drvdata(&bdw_rt5650_card, bdw_rt5650); |
|
|
|
return devm_snd_soc_register_card(&pdev->dev, &bdw_rt5650_card); |
|
} |
|
|
|
static struct platform_driver bdw_rt5650_audio = { |
|
.probe = bdw_rt5650_probe, |
|
.driver = { |
|
.name = "bdw-rt5650", |
|
.pm = &snd_soc_pm_ops, |
|
}, |
|
}; |
|
|
|
module_platform_driver(bdw_rt5650_audio) |
|
|
|
/* Module information */ |
|
MODULE_AUTHOR("Ben Zhang <[email protected]>"); |
|
MODULE_DESCRIPTION("Intel Broadwell RT5650 machine driver"); |
|
MODULE_LICENSE("GPL v2"); |
|
MODULE_ALIAS("platform:bdw-rt5650");
|
|
|