cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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kbl_rt5663_rt5514_max98927.c (22738B)


      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * Intel Kabylake I2S Machine Driver with MAXIM98927
      4 * RT5514 and RT5663 Codecs
      5 *
      6 * Copyright (C) 2017, Intel Corporation. All rights reserved.
      7 *
      8 * Modified from:
      9 *   Intel Kabylake I2S Machine driver supporting MAXIM98927 and
     10 *   RT5663 codecs
     11 */
     12
     13#include <linux/input.h>
     14#include <linux/module.h>
     15#include <linux/platform_device.h>
     16#include <sound/core.h>
     17#include <sound/jack.h>
     18#include <sound/pcm.h>
     19#include <sound/pcm_params.h>
     20#include <sound/soc.h>
     21#include <sound/soc-acpi.h>
     22#include "../../codecs/rt5514.h"
     23#include "../../codecs/rt5663.h"
     24#include "../../codecs/hdac_hdmi.h"
     25#include <linux/clk.h>
     26#include <linux/clk-provider.h>
     27#include <linux/clkdev.h>
     28
     29#define KBL_REALTEK_CODEC_DAI "rt5663-aif"
     30#define KBL_REALTEK_DMIC_CODEC_DAI "rt5514-aif1"
     31#define KBL_MAXIM_CODEC_DAI "max98927-aif1"
     32#define MAXIM_DEV0_NAME "i2c-MX98927:00"
     33#define MAXIM_DEV1_NAME "i2c-MX98927:01"
     34#define RT5514_DEV_NAME "i2c-10EC5514:00"
     35#define RT5663_DEV_NAME "i2c-10EC5663:00"
     36#define RT5514_AIF1_BCLK_FREQ (48000 * 8 * 16)
     37#define RT5514_AIF1_SYSCLK_FREQ 12288000
     38#define NAME_SIZE 32
     39
     40#define DMIC_CH(p) p->list[p->count-1]
     41
     42
     43static struct snd_soc_card kabylake_audio_card;
     44static const struct snd_pcm_hw_constraint_list *dmic_constraints;
     45
     46struct kbl_hdmi_pcm {
     47	struct list_head head;
     48	struct snd_soc_dai *codec_dai;
     49	int device;
     50};
     51
     52struct kbl_codec_private {
     53	struct snd_soc_jack kabylake_headset;
     54	struct list_head hdmi_pcm_list;
     55	struct snd_soc_jack kabylake_hdmi[2];
     56	struct clk *mclk;
     57	struct clk *sclk;
     58};
     59
     60enum {
     61	KBL_DPCM_AUDIO_PB = 0,
     62	KBL_DPCM_AUDIO_CP,
     63	KBL_DPCM_AUDIO_HS_PB,
     64	KBL_DPCM_AUDIO_ECHO_REF_CP,
     65	KBL_DPCM_AUDIO_DMIC_CP,
     66	KBL_DPCM_AUDIO_RT5514_DSP,
     67	KBL_DPCM_AUDIO_HDMI1_PB,
     68	KBL_DPCM_AUDIO_HDMI2_PB,
     69};
     70
     71static const struct snd_kcontrol_new kabylake_controls[] = {
     72	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
     73	SOC_DAPM_PIN_SWITCH("Headset Mic"),
     74	SOC_DAPM_PIN_SWITCH("Left Spk"),
     75	SOC_DAPM_PIN_SWITCH("Right Spk"),
     76	SOC_DAPM_PIN_SWITCH("DMIC"),
     77};
     78
     79static int platform_clock_control(struct snd_soc_dapm_widget *w,
     80			struct snd_kcontrol *k, int  event)
     81{
     82	struct snd_soc_dapm_context *dapm = w->dapm;
     83	struct snd_soc_card *card = dapm->card;
     84	struct kbl_codec_private *priv = snd_soc_card_get_drvdata(card);
     85	int ret = 0;
     86
     87	/*
     88	 * MCLK/SCLK need to be ON early for a successful synchronization of
     89	 * codec internal clock. And the clocks are turned off during
     90	 * POST_PMD after the stream is stopped.
     91	 */
     92	switch (event) {
     93	case SND_SOC_DAPM_PRE_PMU:
     94		/* Enable MCLK */
     95		ret = clk_set_rate(priv->mclk, 24000000);
     96		if (ret < 0) {
     97			dev_err(card->dev, "Can't set rate for mclk, err: %d\n",
     98				ret);
     99			return ret;
    100		}
    101
    102		ret = clk_prepare_enable(priv->mclk);
    103		if (ret < 0) {
    104			dev_err(card->dev, "Can't enable mclk, err: %d\n", ret);
    105			return ret;
    106		}
    107
    108		/* Enable SCLK */
    109		ret = clk_set_rate(priv->sclk, 3072000);
    110		if (ret < 0) {
    111			dev_err(card->dev, "Can't set rate for sclk, err: %d\n",
    112				ret);
    113			clk_disable_unprepare(priv->mclk);
    114			return ret;
    115		}
    116
    117		ret = clk_prepare_enable(priv->sclk);
    118		if (ret < 0) {
    119			dev_err(card->dev, "Can't enable sclk, err: %d\n", ret);
    120			clk_disable_unprepare(priv->mclk);
    121		}
    122		break;
    123	case SND_SOC_DAPM_POST_PMD:
    124		clk_disable_unprepare(priv->mclk);
    125		clk_disable_unprepare(priv->sclk);
    126		break;
    127	default:
    128		return 0;
    129	}
    130
    131	return 0;
    132}
    133
    134static const struct snd_soc_dapm_widget kabylake_widgets[] = {
    135	SND_SOC_DAPM_HP("Headphone Jack", NULL),
    136	SND_SOC_DAPM_MIC("Headset Mic", NULL),
    137	SND_SOC_DAPM_SPK("Left Spk", NULL),
    138	SND_SOC_DAPM_SPK("Right Spk", NULL),
    139	SND_SOC_DAPM_MIC("DMIC", NULL),
    140	SND_SOC_DAPM_SPK("HDMI1", NULL),
    141	SND_SOC_DAPM_SPK("HDMI2", NULL),
    142	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
    143			platform_clock_control, SND_SOC_DAPM_PRE_PMU |
    144			SND_SOC_DAPM_POST_PMD),
    145
    146};
    147
    148static const struct snd_soc_dapm_route kabylake_map[] = {
    149	/* Headphones */
    150	{ "Headphone Jack", NULL, "Platform Clock" },
    151	{ "Headphone Jack", NULL, "HPOL" },
    152	{ "Headphone Jack", NULL, "HPOR" },
    153
    154	/* speaker */
    155	{ "Left Spk", NULL, "Left BE_OUT" },
    156	{ "Right Spk", NULL, "Right BE_OUT" },
    157
    158	/* other jacks */
    159	{ "Headset Mic", NULL, "Platform Clock" },
    160	{ "IN1P", NULL, "Headset Mic" },
    161	{ "IN1N", NULL, "Headset Mic" },
    162
    163	/* CODEC BE connections */
    164	{ "Left HiFi Playback", NULL, "ssp0 Tx" },
    165	{ "Right HiFi Playback", NULL, "ssp0 Tx" },
    166	{ "ssp0 Tx", NULL, "spk_out" },
    167
    168	{ "AIF Playback", NULL, "ssp1 Tx" },
    169	{ "ssp1 Tx", NULL, "codec1_out" },
    170
    171	{ "hs_in", NULL, "ssp1 Rx" },
    172	{ "ssp1 Rx", NULL, "AIF Capture" },
    173
    174	{ "codec1_in", NULL, "ssp0 Rx" },
    175	{ "ssp0 Rx", NULL, "AIF1 Capture" },
    176
    177	/* IV feedback path */
    178	{ "codec0_fb_in", NULL, "ssp0 Rx"},
    179	{ "ssp0 Rx", NULL, "Left HiFi Capture" },
    180	{ "ssp0 Rx", NULL, "Right HiFi Capture" },
    181
    182	/* DMIC */
    183	{ "DMIC1L", NULL, "DMIC" },
    184	{ "DMIC1R", NULL, "DMIC" },
    185	{ "DMIC2L", NULL, "DMIC" },
    186	{ "DMIC2R", NULL, "DMIC" },
    187
    188	{ "hifi2", NULL, "iDisp2 Tx" },
    189	{ "iDisp2 Tx", NULL, "iDisp2_out" },
    190	{ "hifi1", NULL, "iDisp1 Tx" },
    191	{ "iDisp1 Tx", NULL, "iDisp1_out" },
    192};
    193
    194static struct snd_soc_codec_conf max98927_codec_conf[] = {
    195	{
    196		.dlc = COMP_CODEC_CONF(MAXIM_DEV0_NAME),
    197		.name_prefix = "Right",
    198	},
    199	{
    200		.dlc = COMP_CODEC_CONF(MAXIM_DEV1_NAME),
    201		.name_prefix = "Left",
    202	},
    203};
    204
    205
    206static int kabylake_rt5663_fe_init(struct snd_soc_pcm_runtime *rtd)
    207{
    208	struct snd_soc_dapm_context *dapm;
    209	struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component;
    210	int ret;
    211
    212	dapm = snd_soc_component_get_dapm(component);
    213	ret = snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
    214	if (ret)
    215		dev_err(rtd->dev, "Ref Cap -Ignore suspend failed = %d\n", ret);
    216
    217	return ret;
    218}
    219
    220static int kabylake_rt5663_codec_init(struct snd_soc_pcm_runtime *rtd)
    221{
    222	int ret;
    223	struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
    224	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
    225	struct snd_soc_jack *jack;
    226
    227	/*
    228	 * Headset buttons map to the google Reference headset.
    229	 * These can be configured by userspace.
    230	 */
    231	ret = snd_soc_card_jack_new(&kabylake_audio_card, "Headset Jack",
    232			SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
    233			SND_JACK_BTN_2 | SND_JACK_BTN_3,
    234			&ctx->kabylake_headset);
    235	if (ret) {
    236		dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
    237		return ret;
    238	}
    239
    240	jack = &ctx->kabylake_headset;
    241	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
    242	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
    243	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
    244	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
    245
    246	snd_soc_component_set_jack(component, &ctx->kabylake_headset, NULL);
    247
    248	ret = snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "DMIC");
    249	if (ret)
    250		dev_err(rtd->dev, "DMIC - Ignore suspend failed = %d\n", ret);
    251
    252	return ret;
    253}
    254
    255static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device)
    256{
    257	struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
    258	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
    259	struct kbl_hdmi_pcm *pcm;
    260
    261	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
    262	if (!pcm)
    263		return -ENOMEM;
    264
    265	pcm->device = device;
    266	pcm->codec_dai = dai;
    267
    268	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
    269
    270	return 0;
    271}
    272
    273static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
    274{
    275	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB);
    276}
    277
    278static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
    279{
    280	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB);
    281}
    282
    283static const unsigned int rates[] = {
    284	48000,
    285};
    286
    287static const struct snd_pcm_hw_constraint_list constraints_rates = {
    288	.count = ARRAY_SIZE(rates),
    289	.list  = rates,
    290	.mask = 0,
    291};
    292
    293static const unsigned int channels[] = {
    294	2,
    295};
    296
    297static const struct snd_pcm_hw_constraint_list constraints_channels = {
    298	.count = ARRAY_SIZE(channels),
    299	.list = channels,
    300	.mask = 0,
    301};
    302
    303static int kbl_fe_startup(struct snd_pcm_substream *substream)
    304{
    305	struct snd_pcm_runtime *runtime = substream->runtime;
    306
    307	/*
    308	 * On this platform for PCM device we support,
    309	 * 48Khz
    310	 * stereo
    311	 * 16 bit audio
    312	 */
    313
    314	runtime->hw.channels_max = 2;
    315	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
    316					   &constraints_channels);
    317
    318	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
    319	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
    320
    321	snd_pcm_hw_constraint_list(runtime, 0,
    322				SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
    323
    324	return 0;
    325}
    326
    327static const struct snd_soc_ops kabylake_rt5663_fe_ops = {
    328	.startup = kbl_fe_startup,
    329};
    330
    331static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
    332					struct snd_pcm_hw_params *params)
    333{
    334	struct snd_interval *rate = hw_param_interval(params,
    335			SNDRV_PCM_HW_PARAM_RATE);
    336	struct snd_interval *chan = hw_param_interval(params,
    337			SNDRV_PCM_HW_PARAM_CHANNELS);
    338	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
    339	struct snd_soc_dpcm *dpcm, *rtd_dpcm = NULL;
    340
    341	/*
    342	 * The following loop will be called only for playback stream
    343	 * In this platform, there is only one playback device on every SSP
    344	 */
    345	for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) {
    346		rtd_dpcm = dpcm;
    347		break;
    348	}
    349
    350	/*
    351	 * This following loop will be called only for capture stream
    352	 * In this platform, there is only one capture device on every SSP
    353	 */
    354	for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_CAPTURE, dpcm) {
    355		rtd_dpcm = dpcm;
    356		break;
    357	}
    358
    359	if (!rtd_dpcm)
    360		return -EINVAL;
    361
    362	/*
    363	 * The above 2 loops are mutually exclusive based on the stream direction,
    364	 * thus rtd_dpcm variable will never be overwritten
    365	 */
    366
    367	/*
    368	 * The ADSP will convert the FE rate to 48k, stereo, 24 bit
    369	 */
    370	if (!strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Port") ||
    371	    !strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Headset Playback") ||
    372	    !strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Capture Port")) {
    373		rate->min = rate->max = 48000;
    374		chan->min = chan->max = 2;
    375		snd_mask_none(fmt);
    376		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
    377	} else if (!strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio DMIC cap")) {
    378		if (params_channels(params) == 2 ||
    379				DMIC_CH(dmic_constraints) == 2)
    380			chan->min = chan->max = 2;
    381		else
    382			chan->min = chan->max = 4;
    383	}
    384	/*
    385	 * The speaker on the SSP0 supports S16_LE and not S24_LE.
    386	 * thus changing the mask here
    387	 */
    388	if (!strcmp(rtd_dpcm->be->dai_link->name, "SSP0-Codec"))
    389		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
    390
    391	return 0;
    392}
    393
    394static int kabylake_rt5663_hw_params(struct snd_pcm_substream *substream,
    395	struct snd_pcm_hw_params *params)
    396{
    397	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
    398	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
    399	int ret;
    400
    401	/* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */
    402	rt5663_sel_asrc_clk_src(codec_dai->component,
    403			RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
    404			RT5663_CLK_SEL_I2S1_ASRC);
    405
    406	ret = snd_soc_dai_set_sysclk(codec_dai,
    407			RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
    408	if (ret < 0)
    409		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
    410
    411	return ret;
    412}
    413
    414static struct snd_soc_ops kabylake_rt5663_ops = {
    415	.hw_params = kabylake_rt5663_hw_params,
    416};
    417
    418static int kabylake_ssp0_hw_params(struct snd_pcm_substream *substream,
    419	struct snd_pcm_hw_params *params)
    420{
    421	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
    422	struct snd_soc_dai *codec_dai;
    423	int ret = 0, j;
    424
    425	for_each_rtd_codec_dais(rtd, j, codec_dai) {
    426		if (!strcmp(codec_dai->component->name, RT5514_DEV_NAME)) {
    427			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0, 8, 16);
    428			if (ret < 0) {
    429				dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
    430				return ret;
    431			}
    432
    433			ret = snd_soc_dai_set_sysclk(codec_dai,
    434				RT5514_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
    435			if (ret < 0) {
    436				dev_err(rtd->dev, "set sysclk err: %d\n", ret);
    437				return ret;
    438			}
    439		}
    440		if (!strcmp(codec_dai->component->name, MAXIM_DEV0_NAME)) {
    441			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x30, 3, 8, 16);
    442			if (ret < 0) {
    443				dev_err(rtd->dev, "DEV0 TDM slot err:%d\n", ret);
    444				return ret;
    445			}
    446		}
    447
    448		if (!strcmp(codec_dai->component->name, MAXIM_DEV1_NAME)) {
    449			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xC0, 3, 8, 16);
    450			if (ret < 0) {
    451				dev_err(rtd->dev, "DEV1 TDM slot err:%d\n", ret);
    452				return ret;
    453			}
    454		}
    455	}
    456	return ret;
    457}
    458
    459static struct snd_soc_ops kabylake_ssp0_ops = {
    460	.hw_params = kabylake_ssp0_hw_params,
    461};
    462
    463static const unsigned int channels_dmic[] = {
    464	4,
    465};
    466
    467static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
    468	.count = ARRAY_SIZE(channels_dmic),
    469	.list = channels_dmic,
    470	.mask = 0,
    471};
    472
    473static const unsigned int dmic_2ch[] = {
    474	2,
    475};
    476
    477static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
    478	.count = ARRAY_SIZE(dmic_2ch),
    479	.list = dmic_2ch,
    480	.mask = 0,
    481};
    482
    483static int kabylake_dmic_startup(struct snd_pcm_substream *substream)
    484{
    485	struct snd_pcm_runtime *runtime = substream->runtime;
    486
    487	runtime->hw.channels_max = DMIC_CH(dmic_constraints);
    488	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
    489			dmic_constraints);
    490
    491	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
    492	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
    493
    494	return snd_pcm_hw_constraint_list(substream->runtime, 0,
    495			SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
    496}
    497
    498static struct snd_soc_ops kabylake_dmic_ops = {
    499	.startup = kabylake_dmic_startup,
    500};
    501
    502SND_SOC_DAILINK_DEF(dummy,
    503	DAILINK_COMP_ARRAY(COMP_DUMMY()));
    504
    505SND_SOC_DAILINK_DEF(system,
    506	DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
    507
    508SND_SOC_DAILINK_DEF(system2,
    509	DAILINK_COMP_ARRAY(COMP_CPU("System Pin2")));
    510
    511SND_SOC_DAILINK_DEF(echoref,
    512	DAILINK_COMP_ARRAY(COMP_CPU("Echoref Pin")));
    513
    514SND_SOC_DAILINK_DEF(spi_cpu,
    515	DAILINK_COMP_ARRAY(COMP_CPU("spi-PRP0001:00")));
    516SND_SOC_DAILINK_DEF(spi_platform,
    517	DAILINK_COMP_ARRAY(COMP_PLATFORM("spi-PRP0001:00")));
    518
    519SND_SOC_DAILINK_DEF(dmic,
    520	DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
    521
    522SND_SOC_DAILINK_DEF(hdmi1,
    523	DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
    524
    525SND_SOC_DAILINK_DEF(hdmi2,
    526	DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
    527
    528SND_SOC_DAILINK_DEF(ssp0_pin,
    529	DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
    530SND_SOC_DAILINK_DEF(ssp0_codec,
    531	DAILINK_COMP_ARRAY(
    532	/* Left */ COMP_CODEC(MAXIM_DEV0_NAME, KBL_MAXIM_CODEC_DAI),
    533	/* Right */COMP_CODEC(MAXIM_DEV1_NAME, KBL_MAXIM_CODEC_DAI),
    534	/* dmic */ COMP_CODEC(RT5514_DEV_NAME, KBL_REALTEK_DMIC_CODEC_DAI)));
    535
    536SND_SOC_DAILINK_DEF(ssp1_pin,
    537	DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
    538SND_SOC_DAILINK_DEF(ssp1_codec,
    539	DAILINK_COMP_ARRAY(COMP_CODEC(RT5663_DEV_NAME, KBL_REALTEK_CODEC_DAI)));
    540
    541SND_SOC_DAILINK_DEF(idisp1_pin,
    542	DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
    543SND_SOC_DAILINK_DEF(idisp1_codec,
    544	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
    545
    546SND_SOC_DAILINK_DEF(idisp2_pin,
    547	DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
    548SND_SOC_DAILINK_DEF(idisp2_codec,
    549	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
    550
    551SND_SOC_DAILINK_DEF(platform,
    552	DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
    553
    554/* kabylake digital audio interface glue - connects codec <--> CPU */
    555static struct snd_soc_dai_link kabylake_dais[] = {
    556	/* Front End DAI links */
    557	[KBL_DPCM_AUDIO_PB] = {
    558		.name = "Kbl Audio Port",
    559		.stream_name = "Audio",
    560		.dynamic = 1,
    561		.nonatomic = 1,
    562		.init = kabylake_rt5663_fe_init,
    563		.trigger = {
    564			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
    565		.dpcm_playback = 1,
    566		.ops = &kabylake_rt5663_fe_ops,
    567		SND_SOC_DAILINK_REG(system, dummy, platform),
    568	},
    569	[KBL_DPCM_AUDIO_CP] = {
    570		.name = "Kbl Audio Capture Port",
    571		.stream_name = "Audio Record",
    572		.dynamic = 1,
    573		.nonatomic = 1,
    574		.trigger = {
    575			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
    576		.dpcm_capture = 1,
    577		.ops = &kabylake_rt5663_fe_ops,
    578		SND_SOC_DAILINK_REG(system, dummy, platform),
    579	},
    580	[KBL_DPCM_AUDIO_HS_PB] = {
    581		.name = "Kbl Audio Headset Playback",
    582		.stream_name = "Headset Audio",
    583		.dpcm_playback = 1,
    584		.nonatomic = 1,
    585		.dynamic = 1,
    586		SND_SOC_DAILINK_REG(system2, dummy, platform),
    587	},
    588	[KBL_DPCM_AUDIO_ECHO_REF_CP] = {
    589		.name = "Kbl Audio Echo Reference cap",
    590		.stream_name = "Echoreference Capture",
    591		.init = NULL,
    592		.dpcm_capture = 1,
    593		.nonatomic = 1,
    594		SND_SOC_DAILINK_REG(echoref, dummy, platform),
    595	},
    596	[KBL_DPCM_AUDIO_RT5514_DSP] = {
    597		.name = "rt5514 dsp",
    598		.stream_name = "Wake on Voice",
    599		SND_SOC_DAILINK_REG(spi_cpu, dummy, spi_platform),
    600	},
    601	[KBL_DPCM_AUDIO_DMIC_CP] = {
    602		.name = "Kbl Audio DMIC cap",
    603		.stream_name = "dmiccap",
    604		.init = NULL,
    605		.dpcm_capture = 1,
    606		.nonatomic = 1,
    607		.dynamic = 1,
    608		.ops = &kabylake_dmic_ops,
    609		SND_SOC_DAILINK_REG(dmic, dummy, platform),
    610	},
    611	[KBL_DPCM_AUDIO_HDMI1_PB] = {
    612		.name = "Kbl HDMI Port1",
    613		.stream_name = "Hdmi1",
    614		.dpcm_playback = 1,
    615		.init = NULL,
    616		.trigger = {
    617			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
    618		.nonatomic = 1,
    619		.dynamic = 1,
    620		SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
    621	},
    622	[KBL_DPCM_AUDIO_HDMI2_PB] = {
    623		.name = "Kbl HDMI Port2",
    624		.stream_name = "Hdmi2",
    625		.dpcm_playback = 1,
    626		.init = NULL,
    627		.trigger = {
    628			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
    629		.nonatomic = 1,
    630		.dynamic = 1,
    631		SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
    632	},
    633	/* Back End DAI links */
    634	/* single Back end dai for both max speakers and dmic */
    635	{
    636		/* SSP0 - Codec */
    637		.name = "SSP0-Codec",
    638		.id = 0,
    639		.no_pcm = 1,
    640		.dai_fmt = SND_SOC_DAIFMT_DSP_B |
    641			SND_SOC_DAIFMT_NB_NF |
    642			SND_SOC_DAIFMT_CBC_CFC,
    643		.ignore_pmdown_time = 1,
    644		.be_hw_params_fixup = kabylake_ssp_fixup,
    645		.dpcm_playback = 1,
    646		.dpcm_capture = 1,
    647		.ops = &kabylake_ssp0_ops,
    648		SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
    649	},
    650	{
    651		.name = "SSP1-Codec",
    652		.id = 1,
    653		.no_pcm = 1,
    654		.init = kabylake_rt5663_codec_init,
    655		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
    656			SND_SOC_DAIFMT_CBC_CFC,
    657		.ignore_pmdown_time = 1,
    658		.be_hw_params_fixup = kabylake_ssp_fixup,
    659		.ops = &kabylake_rt5663_ops,
    660		.dpcm_playback = 1,
    661		.dpcm_capture = 1,
    662		SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
    663	},
    664	{
    665		.name = "iDisp1",
    666		.id = 3,
    667		.dpcm_playback = 1,
    668		.init = kabylake_hdmi1_init,
    669		.no_pcm = 1,
    670		SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
    671	},
    672	{
    673		.name = "iDisp2",
    674		.id = 4,
    675		.init = kabylake_hdmi2_init,
    676		.dpcm_playback = 1,
    677		.no_pcm = 1,
    678		SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
    679	},
    680};
    681
    682static int kabylake_set_bias_level(struct snd_soc_card *card,
    683	struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level)
    684{
    685	struct snd_soc_component *component = dapm->component;
    686	struct kbl_codec_private *priv = snd_soc_card_get_drvdata(card);
    687	int ret = 0;
    688
    689	if (!component || strcmp(component->name, RT5514_DEV_NAME))
    690		return 0;
    691
    692	if (IS_ERR(priv->mclk))
    693		return 0;
    694
    695	/*
    696	 * It's required to control mclk directly in the set_bias_level
    697	 * function for rt5514 codec or the recording function could
    698	 * break.
    699	 */
    700	switch (level) {
    701	case SND_SOC_BIAS_PREPARE:
    702		if (dapm->bias_level == SND_SOC_BIAS_ON) {
    703			if (!__clk_is_enabled(priv->mclk))
    704				return 0;
    705			dev_dbg(card->dev, "Disable mclk");
    706			clk_disable_unprepare(priv->mclk);
    707		} else {
    708			dev_dbg(card->dev, "Enable mclk");
    709			ret = clk_set_rate(priv->mclk, 24000000);
    710			if (ret) {
    711				dev_err(card->dev, "Can't set rate for mclk, err: %d\n",
    712					ret);
    713				return ret;
    714			}
    715
    716			ret = clk_prepare_enable(priv->mclk);
    717			if (ret) {
    718				dev_err(card->dev, "Can't enable mclk, err: %d\n",
    719					ret);
    720
    721				/* mclk is already enabled in FW */
    722				ret = 0;
    723			}
    724		}
    725		break;
    726	default:
    727		break;
    728	}
    729
    730	return ret;
    731}
    732
    733static int kabylake_card_late_probe(struct snd_soc_card *card)
    734{
    735	struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card);
    736	struct kbl_hdmi_pcm *pcm;
    737	struct snd_soc_component *component = NULL;
    738	int err, i = 0;
    739	char jack_name[NAME_SIZE];
    740
    741	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
    742		component = pcm->codec_dai->component;
    743		snprintf(jack_name, sizeof(jack_name),
    744			"HDMI/DP,pcm=%d Jack", pcm->device);
    745		err = snd_soc_card_jack_new(card, jack_name,
    746				SND_JACK_AVOUT, &ctx->kabylake_hdmi[i]);
    747
    748		if (err)
    749			return err;
    750		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
    751						&ctx->kabylake_hdmi[i]);
    752		if (err < 0)
    753			return err;
    754		i++;
    755	}
    756
    757	if (!component)
    758		return -EINVAL;
    759
    760	return hdac_hdmi_jack_port_init(component, &card->dapm);
    761}
    762
    763/*
    764 * kabylake audio machine driver for  MAX98927 + RT5514 + RT5663
    765 */
    766static struct snd_soc_card kabylake_audio_card = {
    767	.name = "kbl-r5514-5663-max",
    768	.owner = THIS_MODULE,
    769	.dai_link = kabylake_dais,
    770	.num_links = ARRAY_SIZE(kabylake_dais),
    771	.set_bias_level = kabylake_set_bias_level,
    772	.controls = kabylake_controls,
    773	.num_controls = ARRAY_SIZE(kabylake_controls),
    774	.dapm_widgets = kabylake_widgets,
    775	.num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
    776	.dapm_routes = kabylake_map,
    777	.num_dapm_routes = ARRAY_SIZE(kabylake_map),
    778	.codec_conf = max98927_codec_conf,
    779	.num_configs = ARRAY_SIZE(max98927_codec_conf),
    780	.fully_routed = true,
    781	.late_probe = kabylake_card_late_probe,
    782};
    783
    784static int kabylake_audio_probe(struct platform_device *pdev)
    785{
    786	struct kbl_codec_private *ctx;
    787	struct snd_soc_acpi_mach *mach;
    788	int ret;
    789
    790	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
    791	if (!ctx)
    792		return -ENOMEM;
    793
    794	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
    795
    796	kabylake_audio_card.dev = &pdev->dev;
    797	snd_soc_card_set_drvdata(&kabylake_audio_card, ctx);
    798
    799	mach = pdev->dev.platform_data;
    800	if (mach)
    801		dmic_constraints = mach->mach_params.dmic_num == 2 ?
    802			&constraints_dmic_2ch : &constraints_dmic_channels;
    803
    804	ctx->mclk = devm_clk_get(&pdev->dev, "ssp1_mclk");
    805	if (IS_ERR(ctx->mclk)) {
    806		ret = PTR_ERR(ctx->mclk);
    807		if (ret == -ENOENT) {
    808			dev_info(&pdev->dev,
    809				"Failed to get ssp1_mclk, defer probe\n");
    810			return -EPROBE_DEFER;
    811		}
    812
    813		dev_err(&pdev->dev, "Failed to get ssp1_mclk with err:%d\n",
    814								ret);
    815		return ret;
    816	}
    817
    818	ctx->sclk = devm_clk_get(&pdev->dev, "ssp1_sclk");
    819	if (IS_ERR(ctx->sclk)) {
    820		ret = PTR_ERR(ctx->sclk);
    821		if (ret == -ENOENT) {
    822			dev_info(&pdev->dev,
    823				"Failed to get ssp1_sclk, defer probe\n");
    824			return -EPROBE_DEFER;
    825		}
    826
    827		dev_err(&pdev->dev, "Failed to get ssp1_sclk with err:%d\n",
    828								ret);
    829		return ret;
    830	}
    831
    832	return devm_snd_soc_register_card(&pdev->dev, &kabylake_audio_card);
    833}
    834
    835static const struct platform_device_id kbl_board_ids[] = {
    836	{ .name = "kbl_r5514_5663_max" },
    837	{ }
    838};
    839MODULE_DEVICE_TABLE(platform, kbl_board_ids);
    840
    841static struct platform_driver kabylake_audio = {
    842	.probe = kabylake_audio_probe,
    843	.driver = {
    844		.name = "kbl_r5514_5663_max",
    845		.pm = &snd_soc_pm_ops,
    846	},
    847	.id_table = kbl_board_ids,
    848};
    849
    850module_platform_driver(kabylake_audio)
    851
    852/* Module information */
    853MODULE_DESCRIPTION("Audio Machine driver-RT5663 RT5514 & MAX98927");
    854MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
    855MODULE_LICENSE("GPL v2");