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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mc13783.c (23013B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
      4 * Copyright 2009 Sascha Hauer, s.hauer@pengutronix.de
      5 * Copyright 2012 Philippe Retornaz, philippe.retornaz@epfl.ch
      6 *
      7 * Initial development of this code was funded by
      8 * Phytec Messtechnik GmbH, https://www.phytec.de
      9 */
     10#include <linux/module.h>
     11#include <linux/device.h>
     12#include <linux/of.h>
     13#include <linux/mfd/mc13xxx.h>
     14#include <linux/slab.h>
     15#include <sound/core.h>
     16#include <sound/control.h>
     17#include <sound/pcm.h>
     18#include <sound/soc.h>
     19#include <sound/initval.h>
     20#include <sound/soc-dapm.h>
     21#include <linux/regmap.h>
     22
     23#include "mc13783.h"
     24
     25#define AUDIO_RX0_ALSPEN		(1 << 5)
     26#define AUDIO_RX0_ALSPSEL		(1 << 7)
     27#define AUDIO_RX0_ADDCDC		(1 << 21)
     28#define AUDIO_RX0_ADDSTDC		(1 << 22)
     29#define AUDIO_RX0_ADDRXIN		(1 << 23)
     30
     31#define AUDIO_RX1_PGARXEN		(1 << 0);
     32#define AUDIO_RX1_PGASTEN		(1 << 5)
     33#define AUDIO_RX1_ARXINEN		(1 << 10)
     34
     35#define AUDIO_TX_AMC1REN		(1 << 5)
     36#define AUDIO_TX_AMC1LEN		(1 << 7)
     37#define AUDIO_TX_AMC2EN			(1 << 9)
     38#define AUDIO_TX_ATXINEN		(1 << 11)
     39#define AUDIO_TX_RXINREC		(1 << 13)
     40
     41#define SSI_NETWORK_CDCTXRXSLOT(x)	(((x) & 0x3) << 2)
     42#define SSI_NETWORK_CDCTXSECSLOT(x)	(((x) & 0x3) << 4)
     43#define SSI_NETWORK_CDCRXSECSLOT(x)	(((x) & 0x3) << 6)
     44#define SSI_NETWORK_CDCRXSECGAIN(x)	(((x) & 0x3) << 8)
     45#define SSI_NETWORK_CDCSUMGAIN(x)	(1 << 10)
     46#define SSI_NETWORK_CDCFSDLY(x)		(1 << 11)
     47#define SSI_NETWORK_DAC_SLOTS_8		(1 << 12)
     48#define SSI_NETWORK_DAC_SLOTS_4		(2 << 12)
     49#define SSI_NETWORK_DAC_SLOTS_2		(3 << 12)
     50#define SSI_NETWORK_DAC_SLOT_MASK	(3 << 12)
     51#define SSI_NETWORK_DAC_RXSLOT_0_1	(0 << 14)
     52#define SSI_NETWORK_DAC_RXSLOT_2_3	(1 << 14)
     53#define SSI_NETWORK_DAC_RXSLOT_4_5	(2 << 14)
     54#define SSI_NETWORK_DAC_RXSLOT_6_7	(3 << 14)
     55#define SSI_NETWORK_DAC_RXSLOT_MASK	(3 << 14)
     56#define SSI_NETWORK_STDCRXSECSLOT(x)	(((x) & 0x3) << 16)
     57#define SSI_NETWORK_STDCRXSECGAIN(x)	(((x) & 0x3) << 18)
     58#define SSI_NETWORK_STDCSUMGAIN		(1 << 20)
     59
     60/*
     61 * MC13783_AUDIO_CODEC and MC13783_AUDIO_DAC mostly share the same
     62 * register layout
     63 */
     64#define AUDIO_SSI_SEL			(1 << 0)
     65#define AUDIO_CLK_SEL			(1 << 1)
     66#define AUDIO_CSM			(1 << 2)
     67#define AUDIO_BCL_INV			(1 << 3)
     68#define AUDIO_CFS_INV			(1 << 4)
     69#define AUDIO_CFS(x)			(((x) & 0x3) << 5)
     70#define AUDIO_CLK(x)			(((x) & 0x7) << 7)
     71#define AUDIO_C_EN			(1 << 11)
     72#define AUDIO_C_CLK_EN			(1 << 12)
     73#define AUDIO_C_RESET			(1 << 15)
     74
     75#define AUDIO_CODEC_CDCFS8K16K		(1 << 10)
     76#define AUDIO_DAC_CFS_DLY_B		(1 << 10)
     77
     78struct mc13783_priv {
     79	struct mc13xxx *mc13xxx;
     80	struct regmap *regmap;
     81
     82	enum mc13783_ssi_port adc_ssi_port;
     83	enum mc13783_ssi_port dac_ssi_port;
     84};
     85
     86/* Mapping between sample rates and register value */
     87static unsigned int mc13783_rates[] = {
     88	8000, 11025, 12000, 16000,
     89	22050, 24000, 32000, 44100,
     90	48000, 64000, 96000
     91};
     92
     93static int mc13783_pcm_hw_params_dac(struct snd_pcm_substream *substream,
     94				struct snd_pcm_hw_params *params,
     95				struct snd_soc_dai *dai)
     96{
     97	struct snd_soc_component *component = dai->component;
     98	unsigned int rate = params_rate(params);
     99	int i;
    100
    101	for (i = 0; i < ARRAY_SIZE(mc13783_rates); i++) {
    102		if (rate == mc13783_rates[i]) {
    103			snd_soc_component_update_bits(component, MC13783_AUDIO_DAC,
    104					0xf << 17, i << 17);
    105			return 0;
    106		}
    107	}
    108
    109	return -EINVAL;
    110}
    111
    112static int mc13783_pcm_hw_params_codec(struct snd_pcm_substream *substream,
    113				struct snd_pcm_hw_params *params,
    114				struct snd_soc_dai *dai)
    115{
    116	struct snd_soc_component *component = dai->component;
    117	unsigned int rate = params_rate(params);
    118	unsigned int val;
    119
    120	switch (rate) {
    121	case 8000:
    122		val = 0;
    123		break;
    124	case 16000:
    125		val = AUDIO_CODEC_CDCFS8K16K;
    126		break;
    127	default:
    128		return -EINVAL;
    129	}
    130
    131	snd_soc_component_update_bits(component, MC13783_AUDIO_CODEC, AUDIO_CODEC_CDCFS8K16K,
    132			val);
    133
    134	return 0;
    135}
    136
    137static int mc13783_pcm_hw_params_sync(struct snd_pcm_substream *substream,
    138				struct snd_pcm_hw_params *params,
    139				struct snd_soc_dai *dai)
    140{
    141	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
    142		return mc13783_pcm_hw_params_dac(substream, params, dai);
    143	else
    144		return mc13783_pcm_hw_params_codec(substream, params, dai);
    145}
    146
    147static int mc13783_set_fmt(struct snd_soc_dai *dai, unsigned int fmt,
    148			unsigned int reg)
    149{
    150	struct snd_soc_component *component = dai->component;
    151	unsigned int val = 0;
    152	unsigned int mask = AUDIO_CFS(3) | AUDIO_BCL_INV | AUDIO_CFS_INV |
    153				AUDIO_CSM | AUDIO_C_CLK_EN | AUDIO_C_RESET;
    154
    155
    156	/* DAI mode */
    157	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
    158	case SND_SOC_DAIFMT_I2S:
    159		val |= AUDIO_CFS(2);
    160		break;
    161	case SND_SOC_DAIFMT_DSP_A:
    162		val |= AUDIO_CFS(1);
    163		break;
    164	default:
    165		return -EINVAL;
    166	}
    167
    168	/* DAI clock inversion */
    169	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
    170	case SND_SOC_DAIFMT_NB_NF:
    171		val |= AUDIO_BCL_INV;
    172		break;
    173	case SND_SOC_DAIFMT_NB_IF:
    174		val |= AUDIO_BCL_INV | AUDIO_CFS_INV;
    175		break;
    176	case SND_SOC_DAIFMT_IB_NF:
    177		break;
    178	case SND_SOC_DAIFMT_IB_IF:
    179		val |= AUDIO_CFS_INV;
    180		break;
    181	}
    182
    183	/* DAI clock master masks */
    184	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
    185	case SND_SOC_DAIFMT_CBP_CFP:
    186		val |= AUDIO_C_CLK_EN;
    187		break;
    188	case SND_SOC_DAIFMT_CBC_CFC:
    189		val |= AUDIO_CSM;
    190		break;
    191	default:
    192		return -EINVAL;
    193	}
    194
    195	val |= AUDIO_C_RESET;
    196
    197	snd_soc_component_update_bits(component, reg, mask, val);
    198
    199	return 0;
    200}
    201
    202static int mc13783_set_fmt_async(struct snd_soc_dai *dai, unsigned int fmt)
    203{
    204	if (dai->id == MC13783_ID_STEREO_DAC)
    205		return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
    206	else
    207		return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
    208}
    209
    210static int mc13783_set_fmt_sync(struct snd_soc_dai *dai, unsigned int fmt)
    211{
    212	int ret;
    213
    214	ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
    215	if (ret)
    216		return ret;
    217
    218	/*
    219	 * In synchronous mode force the voice codec into consumer mode
    220	 * so that the clock / framesync from the stereo DAC is used
    221	 */
    222	fmt &= ~SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK;
    223	fmt |= SND_SOC_DAIFMT_CBC_CFC;
    224	ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
    225
    226	return ret;
    227}
    228
    229static int mc13783_sysclk[] = {
    230	13000000,
    231	15360000,
    232	16800000,
    233	-1,
    234	26000000,
    235	-1, /* 12000000, invalid for voice codec */
    236	-1, /* 3686400, invalid for voice codec */
    237	33600000,
    238};
    239
    240static int mc13783_set_sysclk(struct snd_soc_dai *dai,
    241				  int clk_id, unsigned int freq, int dir,
    242				  unsigned int reg)
    243{
    244	struct snd_soc_component *component = dai->component;
    245	int clk;
    246	unsigned int val = 0;
    247	unsigned int mask = AUDIO_CLK(0x7) | AUDIO_CLK_SEL;
    248
    249	for (clk = 0; clk < ARRAY_SIZE(mc13783_sysclk); clk++) {
    250		if (mc13783_sysclk[clk] < 0)
    251			continue;
    252		if (mc13783_sysclk[clk] == freq)
    253			break;
    254	}
    255
    256	if (clk == ARRAY_SIZE(mc13783_sysclk))
    257		return -EINVAL;
    258
    259	if (clk_id == MC13783_CLK_CLIB)
    260		val |= AUDIO_CLK_SEL;
    261
    262	val |= AUDIO_CLK(clk);
    263
    264	snd_soc_component_update_bits(component, reg, mask, val);
    265
    266	return 0;
    267}
    268
    269static int mc13783_set_sysclk_dac(struct snd_soc_dai *dai,
    270				  int clk_id, unsigned int freq, int dir)
    271{
    272	return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
    273}
    274
    275static int mc13783_set_sysclk_codec(struct snd_soc_dai *dai,
    276				  int clk_id, unsigned int freq, int dir)
    277{
    278	return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
    279}
    280
    281static int mc13783_set_sysclk_sync(struct snd_soc_dai *dai,
    282				  int clk_id, unsigned int freq, int dir)
    283{
    284	int ret;
    285
    286	ret = mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
    287	if (ret)
    288		return ret;
    289
    290	return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
    291}
    292
    293static int mc13783_set_tdm_slot_dac(struct snd_soc_dai *dai,
    294	unsigned int tx_mask, unsigned int rx_mask, int slots,
    295	int slot_width)
    296{
    297	struct snd_soc_component *component = dai->component;
    298	unsigned int val = 0;
    299	unsigned int mask = SSI_NETWORK_DAC_SLOT_MASK |
    300				SSI_NETWORK_DAC_RXSLOT_MASK;
    301
    302	switch (slots) {
    303	case 2:
    304		val |= SSI_NETWORK_DAC_SLOTS_2;
    305		break;
    306	case 4:
    307		val |= SSI_NETWORK_DAC_SLOTS_4;
    308		break;
    309	case 8:
    310		val |= SSI_NETWORK_DAC_SLOTS_8;
    311		break;
    312	default:
    313		return -EINVAL;
    314	}
    315
    316	switch (rx_mask) {
    317	case 0x03:
    318		val |= SSI_NETWORK_DAC_RXSLOT_0_1;
    319		break;
    320	case 0x0c:
    321		val |= SSI_NETWORK_DAC_RXSLOT_2_3;
    322		break;
    323	case 0x30:
    324		val |= SSI_NETWORK_DAC_RXSLOT_4_5;
    325		break;
    326	case 0xc0:
    327		val |= SSI_NETWORK_DAC_RXSLOT_6_7;
    328		break;
    329	default:
    330		return -EINVAL;
    331	}
    332
    333	snd_soc_component_update_bits(component, MC13783_SSI_NETWORK, mask, val);
    334
    335	return 0;
    336}
    337
    338static int mc13783_set_tdm_slot_codec(struct snd_soc_dai *dai,
    339	unsigned int tx_mask, unsigned int rx_mask, int slots,
    340	int slot_width)
    341{
    342	struct snd_soc_component *component = dai->component;
    343	unsigned int val = 0;
    344	unsigned int mask = 0x3f;
    345
    346	if (slots != 4)
    347		return -EINVAL;
    348
    349	if (tx_mask != 0x3)
    350		return -EINVAL;
    351
    352	val |= (0x00 << 2);	/* primary timeslot RX/TX(?) is 0 */
    353	val |= (0x01 << 4);	/* secondary timeslot TX is 1 */
    354
    355	snd_soc_component_update_bits(component, MC13783_SSI_NETWORK, mask, val);
    356
    357	return 0;
    358}
    359
    360static int mc13783_set_tdm_slot_sync(struct snd_soc_dai *dai,
    361	unsigned int tx_mask, unsigned int rx_mask, int slots,
    362	int slot_width)
    363{
    364	int ret;
    365
    366	ret = mc13783_set_tdm_slot_dac(dai, tx_mask, rx_mask, slots,
    367			slot_width);
    368	if (ret)
    369		return ret;
    370
    371	ret = mc13783_set_tdm_slot_codec(dai, tx_mask, rx_mask, slots,
    372			slot_width);
    373
    374	return ret;
    375}
    376
    377static const struct snd_kcontrol_new mc1l_amp_ctl =
    378	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 7, 1, 0);
    379
    380static const struct snd_kcontrol_new mc1r_amp_ctl =
    381	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 5, 1, 0);
    382
    383static const struct snd_kcontrol_new mc2_amp_ctl =
    384	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 9, 1, 0);
    385
    386static const struct snd_kcontrol_new atx_amp_ctl =
    387	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 11, 1, 0);
    388
    389
    390/* Virtual mux. The chip does the input selection automatically
    391 * as soon as we enable one input. */
    392static const char * const adcl_enum_text[] = {
    393	"MC1L", "RXINL",
    394};
    395
    396static SOC_ENUM_SINGLE_VIRT_DECL(adcl_enum, adcl_enum_text);
    397
    398static const struct snd_kcontrol_new left_input_mux =
    399	SOC_DAPM_ENUM("Route", adcl_enum);
    400
    401static const char * const adcr_enum_text[] = {
    402	"MC1R", "MC2", "RXINR", "TXIN",
    403};
    404
    405static SOC_ENUM_SINGLE_VIRT_DECL(adcr_enum, adcr_enum_text);
    406
    407static const struct snd_kcontrol_new right_input_mux =
    408	SOC_DAPM_ENUM("Route", adcr_enum);
    409
    410static const struct snd_kcontrol_new samp_ctl =
    411	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 3, 1, 0);
    412
    413static const char * const speaker_amp_source_text[] = {
    414	"CODEC", "Right"
    415};
    416static SOC_ENUM_SINGLE_DECL(speaker_amp_source, MC13783_AUDIO_RX0, 4,
    417			    speaker_amp_source_text);
    418static const struct snd_kcontrol_new speaker_amp_source_mux =
    419	SOC_DAPM_ENUM("Speaker Amp Source MUX", speaker_amp_source);
    420
    421static const char * const headset_amp_source_text[] = {
    422	"CODEC", "Mixer"
    423};
    424
    425static SOC_ENUM_SINGLE_DECL(headset_amp_source, MC13783_AUDIO_RX0, 11,
    426			    headset_amp_source_text);
    427static const struct snd_kcontrol_new headset_amp_source_mux =
    428	SOC_DAPM_ENUM("Headset Amp Source MUX", headset_amp_source);
    429
    430static const struct snd_kcontrol_new cdcout_ctl =
    431	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 18, 1, 0);
    432
    433static const struct snd_kcontrol_new adc_bypass_ctl =
    434	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_CODEC, 16, 1, 0);
    435
    436static const struct snd_kcontrol_new lamp_ctl =
    437	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 5, 1, 0);
    438
    439static const struct snd_kcontrol_new hlamp_ctl =
    440	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 10, 1, 0);
    441
    442static const struct snd_kcontrol_new hramp_ctl =
    443	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 9, 1, 0);
    444
    445static const struct snd_kcontrol_new llamp_ctl =
    446	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 16, 1, 0);
    447
    448static const struct snd_kcontrol_new lramp_ctl =
    449	SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 15, 1, 0);
    450
    451static const struct snd_soc_dapm_widget mc13783_dapm_widgets[] = {
    452/* Input */
    453	SND_SOC_DAPM_INPUT("MC1LIN"),
    454	SND_SOC_DAPM_INPUT("MC1RIN"),
    455	SND_SOC_DAPM_INPUT("MC2IN"),
    456	SND_SOC_DAPM_INPUT("RXINR"),
    457	SND_SOC_DAPM_INPUT("RXINL"),
    458	SND_SOC_DAPM_INPUT("TXIN"),
    459
    460	SND_SOC_DAPM_SUPPLY("MC1 Bias", MC13783_AUDIO_TX, 0, 0, NULL, 0),
    461	SND_SOC_DAPM_SUPPLY("MC2 Bias", MC13783_AUDIO_TX, 1, 0, NULL, 0),
    462
    463	SND_SOC_DAPM_SWITCH("MC1L Amp", MC13783_AUDIO_TX, 7, 0, &mc1l_amp_ctl),
    464	SND_SOC_DAPM_SWITCH("MC1R Amp", MC13783_AUDIO_TX, 5, 0, &mc1r_amp_ctl),
    465	SND_SOC_DAPM_SWITCH("MC2 Amp", MC13783_AUDIO_TX, 9, 0, &mc2_amp_ctl),
    466	SND_SOC_DAPM_SWITCH("TXIN Amp", MC13783_AUDIO_TX, 11, 0, &atx_amp_ctl),
    467
    468	SND_SOC_DAPM_MUX("PGA Left Input Mux", SND_SOC_NOPM, 0, 0,
    469			      &left_input_mux),
    470	SND_SOC_DAPM_MUX("PGA Right Input Mux", SND_SOC_NOPM, 0, 0,
    471			      &right_input_mux),
    472
    473	SND_SOC_DAPM_MUX("Speaker Amp Source MUX", SND_SOC_NOPM, 0, 0,
    474			 &speaker_amp_source_mux),
    475
    476	SND_SOC_DAPM_MUX("Headset Amp Source MUX", SND_SOC_NOPM, 0, 0,
    477			 &headset_amp_source_mux),
    478
    479	SND_SOC_DAPM_PGA("PGA Left Input", SND_SOC_NOPM, 0, 0, NULL, 0),
    480	SND_SOC_DAPM_PGA("PGA Right Input", SND_SOC_NOPM, 0, 0, NULL, 0),
    481
    482	SND_SOC_DAPM_ADC("ADC", "Capture", MC13783_AUDIO_CODEC, 11, 0),
    483	SND_SOC_DAPM_SUPPLY("ADC_Reset", MC13783_AUDIO_CODEC, 15, 0, NULL, 0),
    484
    485	SND_SOC_DAPM_PGA("Voice CODEC PGA", MC13783_AUDIO_RX1, 0, 0, NULL, 0),
    486	SND_SOC_DAPM_SWITCH("Voice CODEC Bypass", MC13783_AUDIO_CODEC, 16, 0,
    487			&adc_bypass_ctl),
    488
    489/* Output */
    490	SND_SOC_DAPM_SUPPLY("DAC_E", MC13783_AUDIO_DAC, 11, 0, NULL, 0),
    491	SND_SOC_DAPM_SUPPLY("DAC_Reset", MC13783_AUDIO_DAC, 15, 0, NULL, 0),
    492	SND_SOC_DAPM_OUTPUT("RXOUTL"),
    493	SND_SOC_DAPM_OUTPUT("RXOUTR"),
    494	SND_SOC_DAPM_OUTPUT("HSL"),
    495	SND_SOC_DAPM_OUTPUT("HSR"),
    496	SND_SOC_DAPM_OUTPUT("LSPL"),
    497	SND_SOC_DAPM_OUTPUT("LSP"),
    498	SND_SOC_DAPM_OUTPUT("SP"),
    499	SND_SOC_DAPM_OUTPUT("CDCOUT"),
    500
    501	SND_SOC_DAPM_SWITCH("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 0,
    502			&cdcout_ctl),
    503	SND_SOC_DAPM_SWITCH("Speaker Amp Switch", MC13783_AUDIO_RX0, 3, 0,
    504			&samp_ctl),
    505	SND_SOC_DAPM_SWITCH("Loudspeaker Amp", SND_SOC_NOPM, 0, 0, &lamp_ctl),
    506	SND_SOC_DAPM_SWITCH("Headset Amp Left", MC13783_AUDIO_RX0, 10, 0,
    507			&hlamp_ctl),
    508	SND_SOC_DAPM_SWITCH("Headset Amp Right", MC13783_AUDIO_RX0, 9, 0,
    509			&hramp_ctl),
    510	SND_SOC_DAPM_SWITCH("Line out Amp Left", MC13783_AUDIO_RX0, 16, 0,
    511			&llamp_ctl),
    512	SND_SOC_DAPM_SWITCH("Line out Amp Right", MC13783_AUDIO_RX0, 15, 0,
    513			&lramp_ctl),
    514	SND_SOC_DAPM_DAC("DAC", "Playback", MC13783_AUDIO_RX0, 22, 0),
    515	SND_SOC_DAPM_PGA("DAC PGA", MC13783_AUDIO_RX1, 5, 0, NULL, 0),
    516};
    517
    518static struct snd_soc_dapm_route mc13783_routes[] = {
    519/* Input */
    520	{ "MC1L Amp", NULL, "MC1LIN"},
    521	{ "MC1R Amp", NULL, "MC1RIN" },
    522	{ "MC2 Amp", NULL, "MC2IN" },
    523	{ "TXIN Amp", NULL, "TXIN"},
    524
    525	{ "PGA Left Input Mux", "MC1L", "MC1L Amp" },
    526	{ "PGA Left Input Mux", "RXINL", "RXINL"},
    527	{ "PGA Right Input Mux", "MC1R", "MC1R Amp" },
    528	{ "PGA Right Input Mux", "MC2",  "MC2 Amp"},
    529	{ "PGA Right Input Mux", "TXIN", "TXIN Amp"},
    530	{ "PGA Right Input Mux", "RXINR", "RXINR"},
    531
    532	{ "PGA Left Input", NULL, "PGA Left Input Mux"},
    533	{ "PGA Right Input", NULL, "PGA Right Input Mux"},
    534
    535	{ "ADC", NULL, "PGA Left Input"},
    536	{ "ADC", NULL, "PGA Right Input"},
    537	{ "ADC", NULL, "ADC_Reset"},
    538
    539	{ "Voice CODEC PGA", "Voice CODEC Bypass", "ADC" },
    540
    541	{ "Speaker Amp Source MUX", "CODEC", "Voice CODEC PGA"},
    542	{ "Speaker Amp Source MUX", "Right", "DAC PGA"},
    543
    544	{ "Headset Amp Source MUX", "CODEC", "Voice CODEC PGA"},
    545	{ "Headset Amp Source MUX", "Mixer", "DAC PGA"},
    546
    547/* Output */
    548	{ "HSL", NULL, "Headset Amp Left" },
    549	{ "HSR", NULL, "Headset Amp Right"},
    550	{ "RXOUTL", NULL, "Line out Amp Left"},
    551	{ "RXOUTR", NULL, "Line out Amp Right"},
    552	{ "SP", "Speaker Amp Switch", "Speaker Amp Source MUX"},
    553	{ "LSP", "Loudspeaker Amp", "Speaker Amp Source MUX"},
    554	{ "HSL", "Headset Amp Left", "Headset Amp Source MUX"},
    555	{ "HSR", "Headset Amp Right", "Headset Amp Source MUX"},
    556	{ "Line out Amp Left", NULL, "DAC PGA"},
    557	{ "Line out Amp Right", NULL, "DAC PGA"},
    558	{ "DAC PGA", NULL, "DAC"},
    559	{ "DAC", NULL, "DAC_E"},
    560	{ "CDCOUT", "CDCOUT Switch", "Voice CODEC PGA"},
    561};
    562
    563static const char * const mc13783_3d_mixer[] = {"Stereo", "Phase Mix",
    564						"Mono", "Mono Mix"};
    565
    566static SOC_ENUM_SINGLE_DECL(mc13783_enum_3d_mixer,
    567			    MC13783_AUDIO_RX1, 16,
    568			    mc13783_3d_mixer);
    569
    570static struct snd_kcontrol_new mc13783_control_list[] = {
    571	SOC_SINGLE("Loudspeaker enable", MC13783_AUDIO_RX0, 5, 1, 0),
    572	SOC_SINGLE("PCM Playback Volume", MC13783_AUDIO_RX1, 6, 15, 0),
    573	SOC_SINGLE("PCM Playback Switch", MC13783_AUDIO_RX1, 5, 1, 0),
    574	SOC_DOUBLE("PCM Capture Volume", MC13783_AUDIO_TX, 19, 14, 31, 0),
    575	SOC_ENUM("3D Control", mc13783_enum_3d_mixer),
    576
    577	SOC_SINGLE("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 1, 0),
    578	SOC_SINGLE("Earpiece Amp Switch", MC13783_AUDIO_RX0, 3, 1, 0),
    579	SOC_DOUBLE("Headset Amp Switch", MC13783_AUDIO_RX0, 10, 9, 1, 0),
    580	SOC_DOUBLE("Line out Amp Switch", MC13783_AUDIO_RX0, 16, 15, 1, 0),
    581
    582	SOC_SINGLE("PCM Capture Mixin Switch", MC13783_AUDIO_RX0, 22, 1, 0),
    583	SOC_SINGLE("Line in Capture Mixin Switch", MC13783_AUDIO_RX0, 23, 1, 0),
    584
    585	SOC_SINGLE("CODEC Capture Volume", MC13783_AUDIO_RX1, 1, 15, 0),
    586	SOC_SINGLE("CODEC Capture Mixin Switch", MC13783_AUDIO_RX0, 21, 1, 0),
    587
    588	SOC_SINGLE("Line in Capture Volume", MC13783_AUDIO_RX1, 12, 15, 0),
    589	SOC_SINGLE("Line in Capture Switch", MC13783_AUDIO_RX1, 10, 1, 0),
    590
    591	SOC_SINGLE("MC1 Capture Bias Switch", MC13783_AUDIO_TX, 0, 1, 0),
    592	SOC_SINGLE("MC2 Capture Bias Switch", MC13783_AUDIO_TX, 1, 1, 0),
    593};
    594
    595static int mc13783_probe(struct snd_soc_component *component)
    596{
    597	struct mc13783_priv *priv = snd_soc_component_get_drvdata(component);
    598
    599	snd_soc_component_init_regmap(component,
    600				  dev_get_regmap(component->dev->parent, NULL));
    601
    602	/* these are the reset values */
    603	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX0, 0x25893);
    604	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX1, 0x00d35A);
    605	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_TX, 0x420000);
    606	mc13xxx_reg_write(priv->mc13xxx, MC13783_SSI_NETWORK, 0x013060);
    607	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_CODEC, 0x180027);
    608	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_DAC, 0x0e0004);
    609
    610	if (priv->adc_ssi_port == MC13783_SSI1_PORT)
    611		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
    612				AUDIO_SSI_SEL, 0);
    613	else
    614		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
    615				AUDIO_SSI_SEL, AUDIO_SSI_SEL);
    616
    617	if (priv->dac_ssi_port == MC13783_SSI1_PORT)
    618		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
    619				AUDIO_SSI_SEL, 0);
    620	else
    621		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
    622				AUDIO_SSI_SEL, AUDIO_SSI_SEL);
    623
    624	return 0;
    625}
    626
    627static void mc13783_remove(struct snd_soc_component *component)
    628{
    629	struct mc13783_priv *priv = snd_soc_component_get_drvdata(component);
    630
    631	/* Make sure VAUDIOON is off */
    632	mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_RX0, 0x3, 0);
    633}
    634
    635#define MC13783_RATES_RECORD (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)
    636
    637#define MC13783_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
    638	SNDRV_PCM_FMTBIT_S24_LE)
    639
    640static const struct snd_soc_dai_ops mc13783_ops_dac = {
    641	.hw_params	= mc13783_pcm_hw_params_dac,
    642	.set_fmt	= mc13783_set_fmt_async,
    643	.set_sysclk	= mc13783_set_sysclk_dac,
    644	.set_tdm_slot	= mc13783_set_tdm_slot_dac,
    645};
    646
    647static const struct snd_soc_dai_ops mc13783_ops_codec = {
    648	.hw_params	= mc13783_pcm_hw_params_codec,
    649	.set_fmt	= mc13783_set_fmt_async,
    650	.set_sysclk	= mc13783_set_sysclk_codec,
    651	.set_tdm_slot	= mc13783_set_tdm_slot_codec,
    652};
    653
    654/*
    655 * The mc13783 has two SSI ports, both of them can be routed either
    656 * to the voice codec or the stereo DAC. When two different SSI ports
    657 * are used for the voice codec and the stereo DAC we can do different
    658 * formats and sysclock settings for playback and capture
    659 * (mc13783-hifi-playback and mc13783-hifi-capture). Using the same port
    660 * forces us to use symmetric rates (mc13783-hifi).
    661 */
    662static struct snd_soc_dai_driver mc13783_dai_async[] = {
    663	{
    664		.name = "mc13783-hifi-playback",
    665		.id = MC13783_ID_STEREO_DAC,
    666		.playback = {
    667			.stream_name = "Playback",
    668			.channels_min = 2,
    669			.channels_max = 2,
    670			.rates = SNDRV_PCM_RATE_8000_96000,
    671			.formats = MC13783_FORMATS,
    672		},
    673		.ops = &mc13783_ops_dac,
    674	}, {
    675		.name = "mc13783-hifi-capture",
    676		.id = MC13783_ID_STEREO_CODEC,
    677		.capture = {
    678			.stream_name = "Capture",
    679			.channels_min = 2,
    680			.channels_max = 2,
    681			.rates = MC13783_RATES_RECORD,
    682			.formats = MC13783_FORMATS,
    683		},
    684		.ops = &mc13783_ops_codec,
    685	},
    686};
    687
    688static const struct snd_soc_dai_ops mc13783_ops_sync = {
    689	.hw_params	= mc13783_pcm_hw_params_sync,
    690	.set_fmt	= mc13783_set_fmt_sync,
    691	.set_sysclk	= mc13783_set_sysclk_sync,
    692	.set_tdm_slot	= mc13783_set_tdm_slot_sync,
    693};
    694
    695static struct snd_soc_dai_driver mc13783_dai_sync[] = {
    696	{
    697		.name = "mc13783-hifi",
    698		.id = MC13783_ID_SYNC,
    699		.playback = {
    700			.stream_name = "Playback",
    701			.channels_min = 2,
    702			.channels_max = 2,
    703			.rates = SNDRV_PCM_RATE_8000_96000,
    704			.formats = MC13783_FORMATS,
    705		},
    706		.capture = {
    707			.stream_name = "Capture",
    708			.channels_min = 2,
    709			.channels_max = 2,
    710			.rates = MC13783_RATES_RECORD,
    711			.formats = MC13783_FORMATS,
    712		},
    713		.ops = &mc13783_ops_sync,
    714		.symmetric_rate = 1,
    715	}
    716};
    717
    718static const struct snd_soc_component_driver soc_component_dev_mc13783 = {
    719	.probe			= mc13783_probe,
    720	.remove			= mc13783_remove,
    721	.controls		= mc13783_control_list,
    722	.num_controls		= ARRAY_SIZE(mc13783_control_list),
    723	.dapm_widgets		= mc13783_dapm_widgets,
    724	.num_dapm_widgets	= ARRAY_SIZE(mc13783_dapm_widgets),
    725	.dapm_routes		= mc13783_routes,
    726	.num_dapm_routes	= ARRAY_SIZE(mc13783_routes),
    727	.idle_bias_on		= 1,
    728	.use_pmdown_time	= 1,
    729	.endianness		= 1,
    730	.non_legacy_dai_naming	= 1,
    731};
    732
    733static int __init mc13783_codec_probe(struct platform_device *pdev)
    734{
    735	struct mc13783_priv *priv;
    736	struct mc13xxx_codec_platform_data *pdata = pdev->dev.platform_data;
    737	struct device_node *np;
    738	int ret;
    739
    740	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
    741	if (!priv)
    742		return -ENOMEM;
    743
    744	if (pdata) {
    745		priv->adc_ssi_port = pdata->adc_ssi_port;
    746		priv->dac_ssi_port = pdata->dac_ssi_port;
    747	} else {
    748		np = of_get_child_by_name(pdev->dev.parent->of_node, "codec");
    749		if (!np)
    750			return -ENOSYS;
    751
    752		ret = of_property_read_u32(np, "adc-port", &priv->adc_ssi_port);
    753		if (ret) {
    754			of_node_put(np);
    755			return ret;
    756		}
    757
    758		ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port);
    759		if (ret) {
    760			of_node_put(np);
    761			return ret;
    762		}
    763
    764		of_node_put(np);
    765	}
    766
    767	dev_set_drvdata(&pdev->dev, priv);
    768	priv->mc13xxx = dev_get_drvdata(pdev->dev.parent);
    769
    770	if (priv->adc_ssi_port == priv->dac_ssi_port)
    771		ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_mc13783,
    772			mc13783_dai_sync, ARRAY_SIZE(mc13783_dai_sync));
    773	else
    774		ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_mc13783,
    775			mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async));
    776
    777	return ret;
    778}
    779
    780static int mc13783_codec_remove(struct platform_device *pdev)
    781{
    782	return 0;
    783}
    784
    785static struct platform_driver mc13783_codec_driver = {
    786	.driver = {
    787		.name	= "mc13783-codec",
    788	},
    789	.remove = mc13783_codec_remove,
    790};
    791module_platform_driver_probe(mc13783_codec_driver, mc13783_codec_probe);
    792
    793MODULE_DESCRIPTION("ASoC MC13783 driver");
    794MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>");
    795MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
    796MODULE_LICENSE("GPL");