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/*
* Intel Broxton-P I2S Machine Driver
*
* Copyright (C) 2014-2016, Intel Corporation. All rights reserved.
*
* Modified from:
* Intel Skylake I2S Machine driver
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License 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 <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include <sound/pcm_params.h>
#include "../../codecs/hdac_hdmi.h"
#include "../../codecs/rt298.h"
/* Headset jack detection DAPM pins */
static struct snd_soc_jack broxton_headset;
static struct snd_soc_jack broxton_hdmi[3];
struct bxt_hdmi_pcm {
struct list_head head;
struct snd_soc_dai *codec_dai;
int device;
};
struct bxt_rt286_private {
struct list_head hdmi_pcm_list;
};
enum {
BXT_DPCM_AUDIO_PB = 0,
BXT_DPCM_AUDIO_CP,
BXT_DPCM_AUDIO_REF_CP,
BXT_DPCM_AUDIO_DMIC_CP,
BXT_DPCM_AUDIO_HDMI1_PB,
BXT_DPCM_AUDIO_HDMI2_PB,
BXT_DPCM_AUDIO_HDMI3_PB,
};
static struct snd_soc_jack_pin broxton_headset_pins[] = {
{
.pin = "Mic Jack",
.mask = SND_JACK_MICROPHONE,
},
{
.pin = "Headphone Jack",
.mask = SND_JACK_HEADPHONE,
},
};
static const struct snd_kcontrol_new broxton_controls[] = {
SOC_DAPM_PIN_SWITCH("Speaker"),
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
SOC_DAPM_PIN_SWITCH("Mic Jack"),
};
static const struct snd_soc_dapm_widget broxton_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_SPK("Speaker", NULL),
SND_SOC_DAPM_MIC("Mic Jack", NULL),
SND_SOC_DAPM_MIC("DMIC2", NULL),
SND_SOC_DAPM_MIC("SoC DMIC", NULL),
SND_SOC_DAPM_SPK("HDMI1", NULL),
SND_SOC_DAPM_SPK("HDMI2", NULL),
SND_SOC_DAPM_SPK("HDMI3", NULL),
};
static const struct snd_soc_dapm_route broxton_rt298_map[] = {
/* speaker */
{"Speaker", NULL, "SPOR"},
{"Speaker", NULL, "SPOL"},
/* HP jack connectors - unknown if we have jack detect */
{"Headphone Jack", NULL, "HPO Pin"},
/* other jacks */
{"MIC1", NULL, "Mic Jack"},
/* digital mics */
{"DMIC1 Pin", NULL, "DMIC2"},
{"DMic", NULL, "SoC DMIC"},
{"HDMI1", NULL, "hif5-0 Output"},
{"HDMI2", NULL, "hif6-0 Output"},
{"HDMI2", NULL, "hif7-0 Output"},
/* CODEC BE connections */
{ "AIF1 Playback", NULL, "ssp5 Tx"},
{ "ssp5 Tx", NULL, "codec0_out"},
{ "ssp5 Tx", NULL, "codec1_out"},
{ "codec0_in", NULL, "ssp5 Rx" },
{ "ssp5 Rx", NULL, "AIF1 Capture" },
{ "dmic01_hifi", NULL, "DMIC01 Rx" },
{ "DMIC01 Rx", NULL, "Capture" },
{ "hifi3", NULL, "iDisp3 Tx"},
{ "iDisp3 Tx", NULL, "iDisp3_out"},
{ "hifi2", NULL, "iDisp2 Tx"},
{ "iDisp2 Tx", NULL, "iDisp2_out"},
{ "hifi1", NULL, "iDisp1 Tx"},
{ "iDisp1 Tx", NULL, "iDisp1_out"},
};
static int broxton_rt298_fe_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_dapm_context *dapm;
struct snd_soc_component *component = rtd->cpu_dai->component;
dapm = snd_soc_component_get_dapm(component);
snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
return 0;
}
static int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
int ret = 0;
ret = snd_soc_card_jack_new(rtd->card, "Headset",
SND_JACK_HEADSET | SND_JACK_BTN_0,
&broxton_headset,
broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins));
if (ret)
return ret;
rt298_mic_detect(codec, &broxton_headset);
snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
return 0;
}
static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
{
struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *dai = rtd->codec_dai;
struct bxt_hdmi_pcm *pcm;
pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
if (!pcm)
return -ENOMEM;
pcm->device = BXT_DPCM_AUDIO_HDMI1_PB + dai->id;
pcm->codec_dai = dai;
list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
return 0;
}
static int broxton_ssp5_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);
struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
/* The ADSP will covert the FE rate to 48k, stereo */
rate->min = rate->max = 48000;
channels->min = channels->max = 2;
/* set SSP5 to 24 bit */
snd_mask_none(fmt);
snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
return 0;
}
static int broxton_rt298_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;
int ret;
ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL,
19200000, SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(rtd->dev, "can't set codec sysclk configuration\n");
return ret;
}
return ret;
}
static const struct snd_soc_ops broxton_rt298_ops = {
.hw_params = broxton_rt298_hw_params,
};
static const unsigned int rates[] = {
48000,
};
static const struct snd_pcm_hw_constraint_list constraints_rates = {
.count = ARRAY_SIZE(rates),
.list = rates,
.mask = 0,
};
static int broxton_dmic_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);
channels->min = channels->max = 4;
return 0;
}
static const unsigned int channels_dmic[] = {
1, 2, 3, 4,
};
static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
.count = ARRAY_SIZE(channels_dmic),
.list = channels_dmic,
.mask = 0,
};
static int broxton_dmic_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
runtime->hw.channels_max = 4;
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
&constraints_dmic_channels);
return snd_pcm_hw_constraint_list(
|