Git Repo - linux.git/blame_incremental - sound/soc/codecs/wm8996.c

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	1	// SPDX-License-Identifier: GPL-2.0-or-later
	2	/*
	3	* wm8996.c - WM8996 audio codec interface
	4	*
	5	* Copyright 2011-2 Wolfson Microelectronics PLC.
	6	* Author: Mark Brown <[email protected]>
	7	*/
	8
	9	#include <linux/module.h>
	10	#include <linux/moduleparam.h>
	11	#include <linux/init.h>
	12	#include <linux/completion.h>
	13	#include <linux/delay.h>
	14	#include <linux/pm.h>
	15	#include <linux/gcd.h>
	16	#include <linux/gpio/driver.h>
	17	#include <linux/gpio/consumer.h>
	18	#include <linux/i2c.h>
	19	#include <linux/regmap.h>
	20	#include <linux/regulator/consumer.h>
	21	#include <linux/slab.h>
	22	#include <linux/workqueue.h>
	23	#include <sound/core.h>
	24	#include <sound/jack.h>
	25	#include <sound/pcm.h>
	26	#include <sound/pcm_params.h>
	27	#include <sound/soc.h>
	28	#include <sound/initval.h>
	29	#include <sound/tlv.h>
	30	#include <trace/events/asoc.h>
	31
	32	#include <sound/wm8996.h>
	33	#include "wm8996.h"
	34
	35	#define WM8996_AIFS 2
	36
	37	#define HPOUT1L 1
	38	#define HPOUT1R 2
	39	#define HPOUT2L 4
	40	#define HPOUT2R 8
	41
	42	#define WM8996_NUM_SUPPLIES 3
	43	static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = {
	44	"DBVDD",
	45	"AVDD1",
	46	"AVDD2",
	47	};
	48
	49	struct wm8996_priv {
	50	struct device *dev;
	51	struct regmap *regmap;
	52	struct snd_soc_component *component;
	53
	54	struct gpio_desc *ldo_ena;
	55
	56	int sysclk;
	57	int sysclk_src;
	58
	59	int fll_src;
	60	int fll_fref;
	61	int fll_fout;
	62
	63	struct completion fll_lock;
	64
	65	u16 dcs_pending;
	66	struct completion dcs_done;
	67
	68	u16 hpout_ena;
	69	u16 hpout_pending;
	70
	71	struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES];
	72	struct notifier_block disable_nb[WM8996_NUM_SUPPLIES];
	73	int bg_ena;
	74
	75	struct wm8996_pdata pdata;
	76
	77	int rx_rate[WM8996_AIFS];
	78	int bclk_rate[WM8996_AIFS];
	79
	80	/* Platform dependant ReTune mobile configuration */
	81	int num_retune_mobile_texts;
	82	const char **retune_mobile_texts;
	83	int retune_mobile_cfg[2];
	84	struct soc_enum retune_mobile_enum;
	85
	86	struct snd_soc_jack *jack;
	87	bool detecting;
	88	bool jack_mic;
	89	int jack_flips;
	90	wm8996_polarity_fn polarity_cb;
	91
	92	#ifdef CONFIG_GPIOLIB
	93	struct gpio_chip gpio_chip;
	94	#endif
	95	};
	96
	97	/* We can't use the same notifier block for more than one supply and
	98	* there's no way I can see to get from a callback to the caller
	99	* except container_of().
	100	*/
	101	#define WM8996_REGULATOR_EVENT(n) \
	102	static int wm8996_regulator_event_##n(struct notifier_block *nb, \
	103	unsigned long event, void *data) \
	104	{ \
	105	struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \
	106	disable_nb[n]); \
	107	if (event & REGULATOR_EVENT_DISABLE) { \
	108	regcache_mark_dirty(wm8996->regmap); \
	109	} \
	110	return 0; \
	111	}
	112
	113	WM8996_REGULATOR_EVENT(0)
	114	WM8996_REGULATOR_EVENT(1)
	115	WM8996_REGULATOR_EVENT(2)
	116
	117	static const struct reg_default wm8996_reg[] = {
	118	{ WM8996_POWER_MANAGEMENT_1, 0x0 },
	119	{ WM8996_POWER_MANAGEMENT_2, 0x0 },
	120	{ WM8996_POWER_MANAGEMENT_3, 0x0 },
	121	{ WM8996_POWER_MANAGEMENT_4, 0x0 },
	122	{ WM8996_POWER_MANAGEMENT_5, 0x0 },
	123	{ WM8996_POWER_MANAGEMENT_6, 0x0 },
	124	{ WM8996_POWER_MANAGEMENT_7, 0x10 },
	125	{ WM8996_POWER_MANAGEMENT_8, 0x0 },
	126	{ WM8996_LEFT_LINE_INPUT_VOLUME, 0x0 },
	127	{ WM8996_RIGHT_LINE_INPUT_VOLUME, 0x0 },
	128	{ WM8996_LINE_INPUT_CONTROL, 0x0 },
	129	{ WM8996_DAC1_HPOUT1_VOLUME, 0x88 },
	130	{ WM8996_DAC2_HPOUT2_VOLUME, 0x88 },
	131	{ WM8996_DAC1_LEFT_VOLUME, 0x2c0 },
	132	{ WM8996_DAC1_RIGHT_VOLUME, 0x2c0 },
	133	{ WM8996_DAC2_LEFT_VOLUME, 0x2c0 },
	134	{ WM8996_DAC2_RIGHT_VOLUME, 0x2c0 },
	135	{ WM8996_OUTPUT1_LEFT_VOLUME, 0x80 },
	136	{ WM8996_OUTPUT1_RIGHT_VOLUME, 0x80 },
	137	{ WM8996_OUTPUT2_LEFT_VOLUME, 0x80 },
	138	{ WM8996_OUTPUT2_RIGHT_VOLUME, 0x80 },
	139	{ WM8996_MICBIAS_1, 0x39 },
	140	{ WM8996_MICBIAS_2, 0x39 },
	141	{ WM8996_LDO_1, 0x3 },
	142	{ WM8996_LDO_2, 0x13 },
	143	{ WM8996_ACCESSORY_DETECT_MODE_1, 0x4 },
	144	{ WM8996_ACCESSORY_DETECT_MODE_2, 0x0 },
	145	{ WM8996_HEADPHONE_DETECT_1, 0x20 },
	146	{ WM8996_HEADPHONE_DETECT_2, 0x0 },
	147	{ WM8996_MIC_DETECT_1, 0x7600 },
	148	{ WM8996_MIC_DETECT_2, 0xbf },
	149	{ WM8996_CHARGE_PUMP_1, 0x1f25 },
	150	{ WM8996_CHARGE_PUMP_2, 0xab19 },
	151	{ WM8996_DC_SERVO_1, 0x0 },
	152	{ WM8996_DC_SERVO_3, 0x0 },
	153	{ WM8996_DC_SERVO_5, 0x2a2a },
	154	{ WM8996_DC_SERVO_6, 0x0 },
	155	{ WM8996_DC_SERVO_7, 0x0 },
	156	{ WM8996_ANALOGUE_HP_1, 0x0 },
	157	{ WM8996_ANALOGUE_HP_2, 0x0 },
	158	{ WM8996_CONTROL_INTERFACE_1, 0x8004 },
	159	{ WM8996_WRITE_SEQUENCER_CTRL_1, 0x0 },
	160	{ WM8996_WRITE_SEQUENCER_CTRL_2, 0x0 },
	161	{ WM8996_AIF_CLOCKING_1, 0x0 },
	162	{ WM8996_AIF_CLOCKING_2, 0x0 },
	163	{ WM8996_CLOCKING_1, 0x10 },
	164	{ WM8996_CLOCKING_2, 0x0 },
	165	{ WM8996_AIF_RATE, 0x83 },
	166	{ WM8996_FLL_CONTROL_1, 0x0 },
	167	{ WM8996_FLL_CONTROL_2, 0x0 },
	168	{ WM8996_FLL_CONTROL_3, 0x0 },
	169	{ WM8996_FLL_CONTROL_4, 0x5dc0 },
	170	{ WM8996_FLL_CONTROL_5, 0xc84 },
	171	{ WM8996_FLL_EFS_1, 0x0 },
	172	{ WM8996_FLL_EFS_2, 0x2 },
	173	{ WM8996_AIF1_CONTROL, 0x0 },
	174	{ WM8996_AIF1_BCLK, 0x0 },
	175	{ WM8996_AIF1_TX_LRCLK_1, 0x80 },
	176	{ WM8996_AIF1_TX_LRCLK_2, 0x8 },
	177	{ WM8996_AIF1_RX_LRCLK_1, 0x80 },
	178	{ WM8996_AIF1_RX_LRCLK_2, 0x0 },
	179	{ WM8996_AIF1TX_DATA_CONFIGURATION_1, 0x1818 },
	180	{ WM8996_AIF1TX_DATA_CONFIGURATION_2, 0 },
	181	{ WM8996_AIF1RX_DATA_CONFIGURATION, 0x1818 },
	182	{ WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 0x0 },
	183	{ WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 0x0 },
	184	{ WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 0x0 },
	185	{ WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 0x0 },
	186	{ WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 0x0 },
	187	{ WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 0x0 },
	188	{ WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 0x0 },
	189	{ WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 0x0 },
	190	{ WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 0x0 },
	191	{ WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 0x0 },
	192	{ WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 0x0 },
	193	{ WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 0x0 },
	194	{ WM8996_AIF1RX_MONO_CONFIGURATION, 0x0 },
	195	{ WM8996_AIF1TX_TEST, 0x7 },
	196	{ WM8996_AIF2_CONTROL, 0x0 },
	197	{ WM8996_AIF2_BCLK, 0x0 },
	198	{ WM8996_AIF2_TX_LRCLK_1, 0x80 },
	199	{ WM8996_AIF2_TX_LRCLK_2, 0x8 },
	200	{ WM8996_AIF2_RX_LRCLK_1, 0x80 },
	201	{ WM8996_AIF2_RX_LRCLK_2, 0x0 },
	202	{ WM8996_AIF2TX_DATA_CONFIGURATION_1, 0x1818 },
	203	{ WM8996_AIF2RX_DATA_CONFIGURATION, 0x1818 },
	204	{ WM8996_AIF2RX_DATA_CONFIGURATION, 0x0 },
	205	{ WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 0x0 },
	206	{ WM8996_AIF2TX_CHANNEL_1_CONFIGURATION, 0x0 },
	207	{ WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 0x0 },
	208	{ WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 0x0 },
	209	{ WM8996_AIF2RX_MONO_CONFIGURATION, 0x0 },
	210	{ WM8996_AIF2TX_TEST, 0x1 },
	211	{ WM8996_DSP1_TX_LEFT_VOLUME, 0xc0 },
	212	{ WM8996_DSP1_TX_RIGHT_VOLUME, 0xc0 },
	213	{ WM8996_DSP1_RX_LEFT_VOLUME, 0xc0 },
	214	{ WM8996_DSP1_RX_RIGHT_VOLUME, 0xc0 },
	215	{ WM8996_DSP1_TX_FILTERS, 0x2000 },
	216	{ WM8996_DSP1_RX_FILTERS_1, 0x200 },
	217	{ WM8996_DSP1_RX_FILTERS_2, 0x10 },
	218	{ WM8996_DSP1_DRC_1, 0x98 },
	219	{ WM8996_DSP1_DRC_2, 0x845 },
	220	{ WM8996_DSP1_RX_EQ_GAINS_1, 0x6318 },
	221	{ WM8996_DSP1_RX_EQ_GAINS_2, 0x6300 },
	222	{ WM8996_DSP1_RX_EQ_BAND_1_A, 0xfca },
	223	{ WM8996_DSP1_RX_EQ_BAND_1_B, 0x400 },
	224	{ WM8996_DSP1_RX_EQ_BAND_1_PG, 0xd8 },
	225	{ WM8996_DSP1_RX_EQ_BAND_2_A, 0x1eb5 },
	226	{ WM8996_DSP1_RX_EQ_BAND_2_B, 0xf145 },
	227	{ WM8996_DSP1_RX_EQ_BAND_2_C, 0xb75 },
	228	{ WM8996_DSP1_RX_EQ_BAND_2_PG, 0x1c5 },
	229	{ WM8996_DSP1_RX_EQ_BAND_3_A, 0x1c58 },
	230	{ WM8996_DSP1_RX_EQ_BAND_3_B, 0xf373 },
	231	{ WM8996_DSP1_RX_EQ_BAND_3_C, 0xa54 },
	232	{ WM8996_DSP1_RX_EQ_BAND_3_PG, 0x558 },
	233	{ WM8996_DSP1_RX_EQ_BAND_4_A, 0x168e },
	234	{ WM8996_DSP1_RX_EQ_BAND_4_B, 0xf829 },
	235	{ WM8996_DSP1_RX_EQ_BAND_4_C, 0x7ad },
	236	{ WM8996_DSP1_RX_EQ_BAND_4_PG, 0x1103 },
	237	{ WM8996_DSP1_RX_EQ_BAND_5_A, 0x564 },
	238	{ WM8996_DSP1_RX_EQ_BAND_5_B, 0x559 },
	239	{ WM8996_DSP1_RX_EQ_BAND_5_PG, 0x4000 },
	240	{ WM8996_DSP2_TX_LEFT_VOLUME, 0xc0 },
	241	{ WM8996_DSP2_TX_RIGHT_VOLUME, 0xc0 },
	242	{ WM8996_DSP2_RX_LEFT_VOLUME, 0xc0 },
	243	{ WM8996_DSP2_RX_RIGHT_VOLUME, 0xc0 },
	244	{ WM8996_DSP2_TX_FILTERS, 0x2000 },
	245	{ WM8996_DSP2_RX_FILTERS_1, 0x200 },
	246	{ WM8996_DSP2_RX_FILTERS_2, 0x10 },
	247	{ WM8996_DSP2_DRC_1, 0x98 },
	248	{ WM8996_DSP2_DRC_2, 0x845 },
	249	{ WM8996_DSP2_RX_EQ_GAINS_1, 0x6318 },
	250	{ WM8996_DSP2_RX_EQ_GAINS_2, 0x6300 },
	251	{ WM8996_DSP2_RX_EQ_BAND_1_A, 0xfca },
	252	{ WM8996_DSP2_RX_EQ_BAND_1_B, 0x400 },
	253	{ WM8996_DSP2_RX_EQ_BAND_1_PG, 0xd8 },
	254	{ WM8996_DSP2_RX_EQ_BAND_2_A, 0x1eb5 },
	255	{ WM8996_DSP2_RX_EQ_BAND_2_B, 0xf145 },
	256	{ WM8996_DSP2_RX_EQ_BAND_2_C, 0xb75 },
	257	{ WM8996_DSP2_RX_EQ_BAND_2_PG, 0x1c5 },
	258	{ WM8996_DSP2_RX_EQ_BAND_3_A, 0x1c58 },
	259	{ WM8996_DSP2_RX_EQ_BAND_3_B, 0xf373 },
	260	{ WM8996_DSP2_RX_EQ_BAND_3_C, 0xa54 },
	261	{ WM8996_DSP2_RX_EQ_BAND_3_PG, 0x558 },
	262	{ WM8996_DSP2_RX_EQ_BAND_4_A, 0x168e },
	263	{ WM8996_DSP2_RX_EQ_BAND_4_B, 0xf829 },
	264	{ WM8996_DSP2_RX_EQ_BAND_4_C, 0x7ad },
	265	{ WM8996_DSP2_RX_EQ_BAND_4_PG, 0x1103 },
	266	{ WM8996_DSP2_RX_EQ_BAND_5_A, 0x564 },
	267	{ WM8996_DSP2_RX_EQ_BAND_5_B, 0x559 },
	268	{ WM8996_DSP2_RX_EQ_BAND_5_PG, 0x4000 },
	269	{ WM8996_DAC1_MIXER_VOLUMES, 0x0 },
	270	{ WM8996_DAC1_LEFT_MIXER_ROUTING, 0x0 },
	271	{ WM8996_DAC1_RIGHT_MIXER_ROUTING, 0x0 },
	272	{ WM8996_DAC2_MIXER_VOLUMES, 0x0 },
	273	{ WM8996_DAC2_LEFT_MIXER_ROUTING, 0x0 },
	274	{ WM8996_DAC2_RIGHT_MIXER_ROUTING, 0x0 },
	275	{ WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 0x0 },
	276	{ WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 0x0 },
	277	{ WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 0x0 },
	278	{ WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 0x0 },
	279	{ WM8996_DSP_TX_MIXER_SELECT, 0x0 },
	280	{ WM8996_DAC_SOFTMUTE, 0x0 },
	281	{ WM8996_OVERSAMPLING, 0xd },
	282	{ WM8996_SIDETONE, 0x1040 },
	283	{ WM8996_GPIO_1, 0xa101 },
	284	{ WM8996_GPIO_2, 0xa101 },
	285	{ WM8996_GPIO_3, 0xa101 },
	286	{ WM8996_GPIO_4, 0xa101 },
	287	{ WM8996_GPIO_5, 0xa101 },
	288	{ WM8996_PULL_CONTROL_1, 0x0 },
	289	{ WM8996_PULL_CONTROL_2, 0x140 },
	290	{ WM8996_INTERRUPT_STATUS_1_MASK, 0x1f },
	291	{ WM8996_INTERRUPT_STATUS_2_MASK, 0x1ecf },
	292	{ WM8996_LEFT_PDM_SPEAKER, 0x0 },
	293	{ WM8996_RIGHT_PDM_SPEAKER, 0x1 },
	294	{ WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 0x69 },
	295	{ WM8996_PDM_SPEAKER_VOLUME, 0x66 },
	296	};
	297
	298	static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0);
	299	static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
	300	static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
	301	static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0);
	302	static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0);
	303	static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0);
	304	static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
	305	static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1);
	306
	307	static const char *sidetone_hpf_text[] = {
	308	"2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz"
	309	};
	310
	311	static SOC_ENUM_SINGLE_DECL(sidetone_hpf,
	312	WM8996_SIDETONE, 7, sidetone_hpf_text);
	313
	314	static const char *hpf_mode_text[] = {
	315	"HiFi", "Custom", "Voice"
	316	};
	317
	318	static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_mode,
	319	WM8996_DSP1_TX_FILTERS, 3, hpf_mode_text);
	320
	321	static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_mode,
	322	WM8996_DSP2_TX_FILTERS, 3, hpf_mode_text);
	323
	324	static const char *hpf_cutoff_text[] = {
	325	"50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
	326	};
	327
	328	static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_cutoff,
	329	WM8996_DSP1_TX_FILTERS, 0, hpf_cutoff_text);
	330
	331	static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_cutoff,
	332	WM8996_DSP2_TX_FILTERS, 0, hpf_cutoff_text);
	333
	334	static void wm8996_set_retune_mobile(struct snd_soc_component *component, int block)
	335	{
	336	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	337	struct wm8996_pdata *pdata = &wm8996->pdata;
	338	int base, best, best_val, save, i, cfg, iface;
	339
	340	if (!wm8996->num_retune_mobile_texts)
	341	return;
	342
	343	switch (block) {
	344	case 0:
	345	base = WM8996_DSP1_RX_EQ_GAINS_1;
	346	if (snd_soc_component_read(component, WM8996_POWER_MANAGEMENT_8) &
	347	WM8996_DSP1RX_SRC)
	348	iface = 1;
	349	else
	350	iface = 0;
	351	break;
	352	case 1:
	353	base = WM8996_DSP1_RX_EQ_GAINS_2;
	354	if (snd_soc_component_read(component, WM8996_POWER_MANAGEMENT_8) &
	355	WM8996_DSP2RX_SRC)
	356	iface = 1;
	357	else
	358	iface = 0;
	359	break;
	360	default:
	361	return;
	362	}
	363
	364	/* Find the version of the currently selected configuration
	365	* with the nearest sample rate. */
	366	cfg = wm8996->retune_mobile_cfg[block];
	367	best = 0;
	368	best_val = INT_MAX;
	369	for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
	370	if (strcmp(pdata->retune_mobile_cfgs[i].name,
	371	wm8996->retune_mobile_texts[cfg]) == 0 &&
	372	abs(pdata->retune_mobile_cfgs[i].rate
	373	- wm8996->rx_rate[iface]) < best_val) {
	374	best = i;
	375	best_val = abs(pdata->retune_mobile_cfgs[i].rate
	376	- wm8996->rx_rate[iface]);
	377	}
	378	}
	379
	380	dev_dbg(component->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
	381	block,
	382	pdata->retune_mobile_cfgs[best].name,
	383	pdata->retune_mobile_cfgs[best].rate,
	384	wm8996->rx_rate[iface]);
	385
	386	/* The EQ will be disabled while reconfiguring it, remember the
	387	* current configuration.
	388	*/
	389	save = snd_soc_component_read(component, base);
	390	save &= WM8996_DSP1RX_EQ_ENA;
	391
	392	for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++)
	393	snd_soc_component_update_bits(component, base + i, 0xffff,
	394	pdata->retune_mobile_cfgs[best].regs[i]);
	395
	396	snd_soc_component_update_bits(component, base, WM8996_DSP1RX_EQ_ENA, save);
	397	}
	398
	399	/* Icky as hell but saves code duplication */
	400	static int wm8996_get_retune_mobile_block(const char *name)
	401	{
	402	if (strcmp(name, "DSP1 EQ Mode") == 0)
	403	return 0;
	404	if (strcmp(name, "DSP2 EQ Mode") == 0)
	405	return 1;
	406	return -EINVAL;
	407	}
	408
	409	static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
	410	struct snd_ctl_elem_value *ucontrol)
	411	{
	412	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
	413	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	414	struct wm8996_pdata *pdata = &wm8996->pdata;
	415	int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
	416	int value = ucontrol->value.enumerated.item[0];
	417
	418	if (block < 0)
	419	return block;
	420
	421	if (value >= pdata->num_retune_mobile_cfgs)
	422	return -EINVAL;
	423
	424	wm8996->retune_mobile_cfg[block] = value;
	425
	426	wm8996_set_retune_mobile(component, block);
	427
	428	return 0;
	429	}
	430
	431	static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
	432	struct snd_ctl_elem_value *ucontrol)
	433	{
	434	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
	435	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	436	int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
	437
	438	if (block < 0)
	439	return block;
	440	ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
	441
	442	return 0;
	443	}
	444
	445	static const struct snd_kcontrol_new wm8996_snd_controls[] = {
	446	SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME,
	447	WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv),
	448	SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME,
	449	WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0),
	450
	451	SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES,
	452	0, 5, 24, 0, sidetone_tlv),
	453	SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES,
	454	0, 5, 24, 0, sidetone_tlv),
	455	SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0),
	456	SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf),
	457	SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0),
	458
	459	SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME,
	460	WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
	461	SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME,
	462	WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
	463
	464	SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS,
	465	13, 1, 0),
	466	SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0),
	467	SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode),
	468	SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff),
	469
	470	SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS,
	471	13, 1, 0),
	472	SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0),
	473	SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode),
	474	SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff),
	475
	476	SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME,
	477	WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
	478	SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1),
	479
	480	SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME,
	481	WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
	482	SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1),
	483
	484	SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME,
	485	WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
	486	SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME,
	487	WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1),
	488
	489	SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME,
	490	WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
	491	SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME,
	492	WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1),
	493
	494	SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0),
	495	SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0),
	496	SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0),
	497	SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0),
	498
	499	SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0),
	500	SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0),
	501
	502	SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0),
	503	SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0),
	504
	505	SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15,
	506	0, threedstereo_tlv),
	507	SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15,
	508	0, threedstereo_tlv),
	509
	510	SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4,
	511	8, 0, out_digital_tlv),
	512	SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4,
	513	8, 0, out_digital_tlv),
	514
	515	SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME,
	516	WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv),
	517	SOC_DOUBLE_R("Output 1 ZC Switch", WM8996_OUTPUT1_LEFT_VOLUME,
	518	WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0),
	519
	520	SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME,
	521	WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv),
	522	SOC_DOUBLE_R("Output 2 ZC Switch", WM8996_OUTPUT2_LEFT_VOLUME,
	523	WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0),
	524
	525	SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0,
	526	spk_tlv),
	527	SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER,
	528	WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1),
	529	SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER,
	530	WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0),
	531
	532	SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0),
	533	SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0),
	534
	535	SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0),
	536	SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0),
	537	SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0),
	538	SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5,
	539	WM8996_DSP1RX_DRC_ENA \| WM8996_DSP1TXL_DRC_ENA \|
	540	WM8996_DSP1TXR_DRC_ENA),
	541
	542	SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0),
	543	SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0),
	544	SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0),
	545	SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5,
	546	WM8996_DSP2RX_DRC_ENA \| WM8996_DSP2TXL_DRC_ENA \|
	547	WM8996_DSP2TXR_DRC_ENA),
	548	};
	549
	550	static const struct snd_kcontrol_new wm8996_eq_controls[] = {
	551	SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0,
	552	eq_tlv),
	553	SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0,
	554	eq_tlv),
	555	SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0,
	556	eq_tlv),
	557	SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0,
	558	eq_tlv),
	559	SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0,
	560	eq_tlv),
	561
	562	SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0,
	563	eq_tlv),
	564	SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0,
	565	eq_tlv),
	566	SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0,
	567	eq_tlv),
	568	SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0,
	569	eq_tlv),
	570	SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0,
	571	eq_tlv),
	572	};
	573
	574	static void wm8996_bg_enable(struct snd_soc_component *component)
	575	{
	576	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	577
	578	wm8996->bg_ena++;
	579	if (wm8996->bg_ena == 1) {
	580	snd_soc_component_update_bits(component, WM8996_POWER_MANAGEMENT_1,
	581	WM8996_BG_ENA, WM8996_BG_ENA);
	582	msleep(2);
	583	}
	584	}
	585
	586	static void wm8996_bg_disable(struct snd_soc_component *component)
	587	{
	588	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	589
	590	wm8996->bg_ena--;
	591	if (!wm8996->bg_ena)
	592	snd_soc_component_update_bits(component, WM8996_POWER_MANAGEMENT_1,
	593	WM8996_BG_ENA, 0);
	594	}
	595
	596	static int bg_event(struct snd_soc_dapm_widget *w,
	597	struct snd_kcontrol *kcontrol, int event)
	598	{
	599	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
	600	int ret = 0;
	601
	602	switch (event) {
	603	case SND_SOC_DAPM_PRE_PMU:
	604	wm8996_bg_enable(component);
	605	break;
	606	case SND_SOC_DAPM_POST_PMD:
	607	wm8996_bg_disable(component);
	608	break;
	609	default:
	610	WARN(1, "Invalid event %d\n", event);
	611	ret = -EINVAL;
	612	}
	613
	614	return ret;
	615	}
	616
	617	static int cp_event(struct snd_soc_dapm_widget *w,
	618	struct snd_kcontrol *kcontrol, int event)
	619	{
	620	switch (event) {
	621	case SND_SOC_DAPM_POST_PMU:
	622	msleep(5);
	623	break;
	624	default:
	625	WARN(1, "Invalid event %d\n", event);
	626	}
	627
	628	return 0;
	629	}
	630
	631	static int rmv_short_event(struct snd_soc_dapm_widget *w,
	632	struct snd_kcontrol *kcontrol, int event)
	633	{
	634	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
	635	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	636
	637	/* Record which outputs we enabled */
	638	switch (event) {
	639	case SND_SOC_DAPM_PRE_PMD:
	640	wm8996->hpout_pending &= ~w->shift;
	641	break;
	642	case SND_SOC_DAPM_PRE_PMU:
	643	wm8996->hpout_pending \|= w->shift;
	644	break;
	645	default:
	646	WARN(1, "Invalid event %d\n", event);
	647	return -EINVAL;
	648	}
	649
	650	return 0;
	651	}
	652
	653	static void wait_for_dc_servo(struct snd_soc_component *component, u16 mask)
	654	{
	655	struct i2c_client *i2c = to_i2c_client(component->dev);
	656	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	657	int ret;
	658	unsigned long time_left = 200;
	659
	660	snd_soc_component_write(component, WM8996_DC_SERVO_2, mask);
	661
	662	/* Use the interrupt if possible */
	663	do {
	664	if (i2c->irq) {
	665	time_left = wait_for_completion_timeout(&wm8996->dcs_done,
	666	msecs_to_jiffies(200));
	667	if (time_left == 0)
	668	dev_err(component->dev, "DC servo timed out\n");
	669
	670	} else {
	671	msleep(1);
	672	time_left--;
	673	}
	674
	675	ret = snd_soc_component_read(component, WM8996_DC_SERVO_2);
	676	dev_dbg(component->dev, "DC servo state: %x\n", ret);
	677	} while (time_left && ret & mask);
	678
	679	if (time_left == 0)
	680	dev_err(component->dev, "DC servo timed out for %x\n", mask);
	681	else
	682	dev_dbg(component->dev, "DC servo complete for %x\n", mask);
	683	}
	684
	685	static void wm8996_seq_notifier(struct snd_soc_component *component,
	686	enum snd_soc_dapm_type event, int subseq)
	687	{
	688	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	689	u16 val, mask;
	690
	691	/* Complete any pending DC servo starts */
	692	if (wm8996->dcs_pending) {
	693	dev_dbg(component->dev, "Starting DC servo for %x\n",
	694	wm8996->dcs_pending);
	695
	696	/* Trigger a startup sequence */
	697	wait_for_dc_servo(component, wm8996->dcs_pending
	698	<< WM8996_DCS_TRIG_STARTUP_0_SHIFT);
	699
	700	wm8996->dcs_pending = 0;
	701	}
	702
	703	if (wm8996->hpout_pending != wm8996->hpout_ena) {
	704	dev_dbg(component->dev, "Applying RMV_SHORTs %x->%x\n",
	705	wm8996->hpout_ena, wm8996->hpout_pending);
	706
	707	val = 0;
	708	mask = 0;
	709	if (wm8996->hpout_pending & HPOUT1L) {
	710	val \|= WM8996_HPOUT1L_RMV_SHORT \| WM8996_HPOUT1L_OUTP;
	711	mask \|= WM8996_HPOUT1L_RMV_SHORT \| WM8996_HPOUT1L_OUTP;
	712	} else {
	713	mask \|= WM8996_HPOUT1L_RMV_SHORT \|
	714	WM8996_HPOUT1L_OUTP \|
	715	WM8996_HPOUT1L_DLY;
	716	}
	717
	718	if (wm8996->hpout_pending & HPOUT1R) {
	719	val \|= WM8996_HPOUT1R_RMV_SHORT \| WM8996_HPOUT1R_OUTP;
	720	mask \|= WM8996_HPOUT1R_RMV_SHORT \| WM8996_HPOUT1R_OUTP;
	721	} else {
	722	mask \|= WM8996_HPOUT1R_RMV_SHORT \|
	723	WM8996_HPOUT1R_OUTP \|
	724	WM8996_HPOUT1R_DLY;
	725	}
	726
	727	snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1, mask, val);
	728
	729	val = 0;
	730	mask = 0;
	731	if (wm8996->hpout_pending & HPOUT2L) {
	732	val \|= WM8996_HPOUT2L_RMV_SHORT \| WM8996_HPOUT2L_OUTP;
	733	mask \|= WM8996_HPOUT2L_RMV_SHORT \| WM8996_HPOUT2L_OUTP;
	734	} else {
	735	mask \|= WM8996_HPOUT2L_RMV_SHORT \|
	736	WM8996_HPOUT2L_OUTP \|
	737	WM8996_HPOUT2L_DLY;
	738	}
	739
	740	if (wm8996->hpout_pending & HPOUT2R) {
	741	val \|= WM8996_HPOUT2R_RMV_SHORT \| WM8996_HPOUT2R_OUTP;
	742	mask \|= WM8996_HPOUT2R_RMV_SHORT \| WM8996_HPOUT2R_OUTP;
	743	} else {
	744	mask \|= WM8996_HPOUT2R_RMV_SHORT \|
	745	WM8996_HPOUT2R_OUTP \|
	746	WM8996_HPOUT2R_DLY;
	747	}
	748
	749	snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_2, mask, val);
	750
	751	wm8996->hpout_ena = wm8996->hpout_pending;
	752	}
	753	}
	754
	755	static int dcs_start(struct snd_soc_dapm_widget *w,
	756	struct snd_kcontrol *kcontrol, int event)
	757	{
	758	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
	759	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	760
	761	switch (event) {
	762	case SND_SOC_DAPM_POST_PMU:
	763	wm8996->dcs_pending \|= 1 << w->shift;
	764	break;
	765	default:
	766	WARN(1, "Invalid event %d\n", event);
	767	return -EINVAL;
	768	}
	769
	770	return 0;
	771	}
	772
	773	static const char *sidetone_text[] = {
	774	"IN1", "IN2",
	775	};
	776
	777	static SOC_ENUM_SINGLE_DECL(left_sidetone_enum,
	778	WM8996_SIDETONE, 0, sidetone_text);
	779
	780	static const struct snd_kcontrol_new left_sidetone =
	781	SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum);
	782
	783	static SOC_ENUM_SINGLE_DECL(right_sidetone_enum,
	784	WM8996_SIDETONE, 1, sidetone_text);
	785
	786	static const struct snd_kcontrol_new right_sidetone =
	787	SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum);
	788
	789	static const char *spk_text[] = {
	790	"DAC1L", "DAC1R", "DAC2L", "DAC2R"
	791	};
	792
	793	static SOC_ENUM_SINGLE_DECL(spkl_enum,
	794	WM8996_LEFT_PDM_SPEAKER, 0, spk_text);
	795
	796	static const struct snd_kcontrol_new spkl_mux =
	797	SOC_DAPM_ENUM("SPKL", spkl_enum);
	798
	799	static SOC_ENUM_SINGLE_DECL(spkr_enum,
	800	WM8996_RIGHT_PDM_SPEAKER, 0, spk_text);
	801
	802	static const struct snd_kcontrol_new spkr_mux =
	803	SOC_DAPM_ENUM("SPKR", spkr_enum);
	804
	805	static const char *dsp1rx_text[] = {
	806	"AIF1", "AIF2"
	807	};
	808
	809	static SOC_ENUM_SINGLE_DECL(dsp1rx_enum,
	810	WM8996_POWER_MANAGEMENT_8, 0, dsp1rx_text);
	811
	812	static const struct snd_kcontrol_new dsp1rx =
	813	SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum);
	814
	815	static const char *dsp2rx_text[] = {
	816	"AIF2", "AIF1"
	817	};
	818
	819	static SOC_ENUM_SINGLE_DECL(dsp2rx_enum,
	820	WM8996_POWER_MANAGEMENT_8, 4, dsp2rx_text);
	821
	822	static const struct snd_kcontrol_new dsp2rx =
	823	SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum);
	824
	825	static const char *aif2tx_text[] = {
	826	"DSP2", "DSP1", "AIF1"
	827	};
	828
	829	static SOC_ENUM_SINGLE_DECL(aif2tx_enum,
	830	WM8996_POWER_MANAGEMENT_8, 6, aif2tx_text);
	831
	832	static const struct snd_kcontrol_new aif2tx =
	833	SOC_DAPM_ENUM("AIF2TX", aif2tx_enum);
	834
	835	static const char *inmux_text[] = {
	836	"ADC", "DMIC1", "DMIC2"
	837	};
	838
	839	static SOC_ENUM_SINGLE_DECL(in1_enum,
	840	WM8996_POWER_MANAGEMENT_7, 0, inmux_text);
	841
	842	static const struct snd_kcontrol_new in1_mux =
	843	SOC_DAPM_ENUM("IN1 Mux", in1_enum);
	844
	845	static SOC_ENUM_SINGLE_DECL(in2_enum,
	846	WM8996_POWER_MANAGEMENT_7, 4, inmux_text);
	847
	848	static const struct snd_kcontrol_new in2_mux =
	849	SOC_DAPM_ENUM("IN2 Mux", in2_enum);
	850
	851	static const struct snd_kcontrol_new dac2r_mix[] = {
	852	SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
	853	5, 1, 0),
	854	SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
	855	4, 1, 0),
	856	SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0),
	857	SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0),
	858	};
	859
	860	static const struct snd_kcontrol_new dac2l_mix[] = {
	861	SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
	862	5, 1, 0),
	863	SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
	864	4, 1, 0),
	865	SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0),
	866	SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0),
	867	};
	868
	869	static const struct snd_kcontrol_new dac1r_mix[] = {
	870	SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
	871	5, 1, 0),
	872	SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
	873	4, 1, 0),
	874	SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0),
	875	SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0),
	876	};
	877
	878	static const struct snd_kcontrol_new dac1l_mix[] = {
	879	SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
	880	5, 1, 0),
	881	SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
	882	4, 1, 0),
	883	SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0),
	884	SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0),
	885	};
	886
	887	static const struct snd_kcontrol_new dsp1txl[] = {
	888	SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
	889	1, 1, 0),
	890	SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
	891	0, 1, 0),
	892	};
	893
	894	static const struct snd_kcontrol_new dsp1txr[] = {
	895	SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
	896	1, 1, 0),
	897	SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
	898	0, 1, 0),
	899	};
	900
	901	static const struct snd_kcontrol_new dsp2txl[] = {
	902	SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
	903	1, 1, 0),
	904	SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
	905	0, 1, 0),
	906	};
	907
	908	static const struct snd_kcontrol_new dsp2txr[] = {
	909	SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
	910	1, 1, 0),
	911	SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
	912	0, 1, 0),
	913	};
	914
	915
	916	static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = {
	917	SND_SOC_DAPM_INPUT("IN1LN"),
	918	SND_SOC_DAPM_INPUT("IN1LP"),
	919	SND_SOC_DAPM_INPUT("IN1RN"),
	920	SND_SOC_DAPM_INPUT("IN1RP"),
	921
	922	SND_SOC_DAPM_INPUT("IN2LN"),
	923	SND_SOC_DAPM_INPUT("IN2LP"),
	924	SND_SOC_DAPM_INPUT("IN2RN"),
	925	SND_SOC_DAPM_INPUT("IN2RP"),
	926
	927	SND_SOC_DAPM_INPUT("DMIC1DAT"),
	928	SND_SOC_DAPM_INPUT("DMIC2DAT"),
	929
	930	SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD", 20, 0),
	931	SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0),
	932	SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0),
	933	SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0),
	934	SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event,
	935	SND_SOC_DAPM_POST_PMU),
	936	SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event,
	937	SND_SOC_DAPM_PRE_PMU \| SND_SOC_DAPM_POST_PMD),
	938	SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
	939	SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0),
	940	SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0),
	941	SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0),
	942	SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0),
	943
	944	SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
	945	SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
	946
	947	SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux),
	948	SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux),
	949	SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux),
	950	SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux),
	951
	952	SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
	953	SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0),
	954
	955	SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0),
	956	SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0),
	957	SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0),
	958	SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0),
	959
	960	SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0),
	961	SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0),
	962
	963	SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone),
	964	SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone),
	965
	966	SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0),
	967	SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0),
	968	SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0),
	969	SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0),
	970
	971	SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0,
	972	dsp2txl, ARRAY_SIZE(dsp2txl)),
	973	SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0,
	974	dsp2txr, ARRAY_SIZE(dsp2txr)),
	975	SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0,
	976	dsp1txl, ARRAY_SIZE(dsp1txl)),
	977	SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0,
	978	dsp1txr, ARRAY_SIZE(dsp1txr)),
	979
	980	SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0,
	981	dac2l_mix, ARRAY_SIZE(dac2l_mix)),
	982	SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0,
	983	dac2r_mix, ARRAY_SIZE(dac2r_mix)),
	984	SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
	985	dac1l_mix, ARRAY_SIZE(dac1l_mix)),
	986	SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
	987	dac1r_mix, ARRAY_SIZE(dac1r_mix)),
	988
	989	SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0),
	990	SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0),
	991	SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0),
	992	SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0),
	993
	994	SND_SOC_DAPM_AIF_IN("AIF2RX1", NULL, 0, WM8996_POWER_MANAGEMENT_4, 9, 0),
	995	SND_SOC_DAPM_AIF_IN("AIF2RX0", NULL, 1, WM8996_POWER_MANAGEMENT_4, 8, 0),
	996
	997	SND_SOC_DAPM_AIF_OUT("AIF2TX1", NULL, 0, WM8996_POWER_MANAGEMENT_6, 9, 0),
	998	SND_SOC_DAPM_AIF_OUT("AIF2TX0", NULL, 1, WM8996_POWER_MANAGEMENT_6, 8, 0),
	999
	1000	SND_SOC_DAPM_AIF_IN("AIF1RX5", NULL, 5, WM8996_POWER_MANAGEMENT_4, 5, 0),
	1001	SND_SOC_DAPM_AIF_IN("AIF1RX4", NULL, 4, WM8996_POWER_MANAGEMENT_4, 4, 0),
	1002	SND_SOC_DAPM_AIF_IN("AIF1RX3", NULL, 3, WM8996_POWER_MANAGEMENT_4, 3, 0),
	1003	SND_SOC_DAPM_AIF_IN("AIF1RX2", NULL, 2, WM8996_POWER_MANAGEMENT_4, 2, 0),
	1004	SND_SOC_DAPM_AIF_IN("AIF1RX1", NULL, 1, WM8996_POWER_MANAGEMENT_4, 1, 0),
	1005	SND_SOC_DAPM_AIF_IN("AIF1RX0", NULL, 0, WM8996_POWER_MANAGEMENT_4, 0, 0),
	1006
	1007	SND_SOC_DAPM_AIF_OUT("AIF1TX5", NULL, 5, WM8996_POWER_MANAGEMENT_6, 5, 0),
	1008	SND_SOC_DAPM_AIF_OUT("AIF1TX4", NULL, 4, WM8996_POWER_MANAGEMENT_6, 4, 0),
	1009	SND_SOC_DAPM_AIF_OUT("AIF1TX3", NULL, 3, WM8996_POWER_MANAGEMENT_6, 3, 0),
	1010	SND_SOC_DAPM_AIF_OUT("AIF1TX2", NULL, 2, WM8996_POWER_MANAGEMENT_6, 2, 0),
	1011	SND_SOC_DAPM_AIF_OUT("AIF1TX1", NULL, 1, WM8996_POWER_MANAGEMENT_6, 1, 0),
	1012	SND_SOC_DAPM_AIF_OUT("AIF1TX0", NULL, 0, WM8996_POWER_MANAGEMENT_6, 0, 0),
	1013
	1014	/* We route as stereo pairs so define some dummy widgets to squash
	1015	* things down for now. RXA = 0,1, RXB = 2,3 and so on */
	1016	SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0),
	1017	SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0),
	1018	SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0),
	1019	SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0),
	1020	SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0),
	1021
	1022	SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx),
	1023	SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx),
	1024	SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx),
	1025
	1026	SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux),
	1027	SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux),
	1028	SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0),
	1029	SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0),
	1030
	1031	SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
	1032	SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
	1033	SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
	1034	SND_SOC_DAPM_POST_PMU),
	1035	SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
	1036	rmv_short_event,
	1037	SND_SOC_DAPM_PRE_PMU \| SND_SOC_DAPM_PRE_PMD),
	1038
	1039	SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
	1040	SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
	1041	SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
	1042	SND_SOC_DAPM_POST_PMU),
	1043	SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
	1044	rmv_short_event,
	1045	SND_SOC_DAPM_PRE_PMU \| SND_SOC_DAPM_PRE_PMD),
	1046
	1047	SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
	1048	SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
	1049	SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
	1050	SND_SOC_DAPM_POST_PMU),
	1051	SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
	1052	rmv_short_event,
	1053	SND_SOC_DAPM_PRE_PMU \| SND_SOC_DAPM_PRE_PMD),
	1054
	1055	SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
	1056	SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
	1057	SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
	1058	SND_SOC_DAPM_POST_PMU),
	1059	SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
	1060	rmv_short_event,
	1061	SND_SOC_DAPM_PRE_PMU \| SND_SOC_DAPM_PRE_PMD),
	1062
	1063	SND_SOC_DAPM_OUTPUT("HPOUT1L"),
	1064	SND_SOC_DAPM_OUTPUT("HPOUT1R"),
	1065	SND_SOC_DAPM_OUTPUT("HPOUT2L"),
	1066	SND_SOC_DAPM_OUTPUT("HPOUT2R"),
	1067	SND_SOC_DAPM_OUTPUT("SPKDAT"),
	1068	};
	1069
	1070	static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
	1071	{ "AIFCLK", NULL, "SYSCLK" },
	1072	{ "SYSDSPCLK", NULL, "SYSCLK" },
	1073	{ "Charge Pump", NULL, "SYSCLK" },
	1074	{ "Charge Pump", NULL, "CPVDD" },
	1075
	1076	{ "MICB1", NULL, "LDO2" },
	1077	{ "MICB1", NULL, "MICB1 Audio" },
	1078	{ "MICB1", NULL, "Bandgap" },
	1079	{ "MICB2", NULL, "LDO2" },
	1080	{ "MICB2", NULL, "MICB2 Audio" },
	1081	{ "MICB2", NULL, "Bandgap" },
	1082
	1083	{ "AIF1RX0", NULL, "AIF1 Playback" },
	1084	{ "AIF1RX1", NULL, "AIF1 Playback" },
	1085	{ "AIF1RX2", NULL, "AIF1 Playback" },
	1086	{ "AIF1RX3", NULL, "AIF1 Playback" },
	1087	{ "AIF1RX4", NULL, "AIF1 Playback" },
	1088	{ "AIF1RX5", NULL, "AIF1 Playback" },
	1089
	1090	{ "AIF2RX0", NULL, "AIF2 Playback" },
	1091	{ "AIF2RX1", NULL, "AIF2 Playback" },
	1092
	1093	{ "AIF1 Capture", NULL, "AIF1TX0" },
	1094	{ "AIF1 Capture", NULL, "AIF1TX1" },
	1095	{ "AIF1 Capture", NULL, "AIF1TX2" },
	1096	{ "AIF1 Capture", NULL, "AIF1TX3" },
	1097	{ "AIF1 Capture", NULL, "AIF1TX4" },
	1098	{ "AIF1 Capture", NULL, "AIF1TX5" },
	1099
	1100	{ "AIF2 Capture", NULL, "AIF2TX0" },
	1101	{ "AIF2 Capture", NULL, "AIF2TX1" },
	1102
	1103	{ "IN1L PGA", NULL, "IN2LN" },
	1104	{ "IN1L PGA", NULL, "IN2LP" },
	1105	{ "IN1L PGA", NULL, "IN1LN" },
	1106	{ "IN1L PGA", NULL, "IN1LP" },
	1107	{ "IN1L PGA", NULL, "Bandgap" },
	1108
	1109	{ "IN1R PGA", NULL, "IN2RN" },
	1110	{ "IN1R PGA", NULL, "IN2RP" },
	1111	{ "IN1R PGA", NULL, "IN1RN" },
	1112	{ "IN1R PGA", NULL, "IN1RP" },
	1113	{ "IN1R PGA", NULL, "Bandgap" },
	1114
	1115	{ "ADCL", NULL, "IN1L PGA" },
	1116
	1117	{ "ADCR", NULL, "IN1R PGA" },
	1118
	1119	{ "DMIC1L", NULL, "DMIC1DAT" },
	1120	{ "DMIC1R", NULL, "DMIC1DAT" },
	1121	{ "DMIC2L", NULL, "DMIC2DAT" },
	1122	{ "DMIC2R", NULL, "DMIC2DAT" },
	1123
	1124	{ "DMIC2L", NULL, "DMIC2" },
	1125	{ "DMIC2R", NULL, "DMIC2" },
	1126	{ "DMIC1L", NULL, "DMIC1" },
	1127	{ "DMIC1R", NULL, "DMIC1" },
	1128
	1129	{ "IN1L Mux", "ADC", "ADCL" },
	1130	{ "IN1L Mux", "DMIC1", "DMIC1L" },
	1131	{ "IN1L Mux", "DMIC2", "DMIC2L" },
	1132
	1133	{ "IN1R Mux", "ADC", "ADCR" },
	1134	{ "IN1R Mux", "DMIC1", "DMIC1R" },
	1135	{ "IN1R Mux", "DMIC2", "DMIC2R" },
	1136
	1137	{ "IN2L Mux", "ADC", "ADCL" },
	1138	{ "IN2L Mux", "DMIC1", "DMIC1L" },
	1139	{ "IN2L Mux", "DMIC2", "DMIC2L" },
	1140
	1141	{ "IN2R Mux", "ADC", "ADCR" },
	1142	{ "IN2R Mux", "DMIC1", "DMIC1R" },
	1143	{ "IN2R Mux", "DMIC2", "DMIC2R" },
	1144
	1145	{ "Left Sidetone", "IN1", "IN1L Mux" },
	1146	{ "Left Sidetone", "IN2", "IN2L Mux" },
	1147
	1148	{ "Right Sidetone", "IN1", "IN1R Mux" },
	1149	{ "Right Sidetone", "IN2", "IN2R Mux" },
	1150
	1151	{ "DSP1TXL", "IN1 Switch", "IN1L Mux" },
	1152	{ "DSP1TXR", "IN1 Switch", "IN1R Mux" },
	1153
	1154	{ "DSP2TXL", "IN1 Switch", "IN2L Mux" },
	1155	{ "DSP2TXR", "IN1 Switch", "IN2R Mux" },
	1156
	1157	{ "AIF1TX0", NULL, "DSP1TXL" },
	1158	{ "AIF1TX1", NULL, "DSP1TXR" },
	1159	{ "AIF1TX2", NULL, "DSP2TXL" },
	1160	{ "AIF1TX3", NULL, "DSP2TXR" },
	1161	{ "AIF1TX4", NULL, "AIF2RX0" },
	1162	{ "AIF1TX5", NULL, "AIF2RX1" },
	1163
	1164	{ "AIF1RX0", NULL, "AIFCLK" },
	1165	{ "AIF1RX1", NULL, "AIFCLK" },
	1166	{ "AIF1RX2", NULL, "AIFCLK" },
	1167	{ "AIF1RX3", NULL, "AIFCLK" },
	1168	{ "AIF1RX4", NULL, "AIFCLK" },
	1169	{ "AIF1RX5", NULL, "AIFCLK" },
	1170
	1171	{ "AIF2RX0", NULL, "AIFCLK" },
	1172	{ "AIF2RX1", NULL, "AIFCLK" },
	1173
	1174	{ "AIF1TX0", NULL, "AIFCLK" },
	1175	{ "AIF1TX1", NULL, "AIFCLK" },
	1176	{ "AIF1TX2", NULL, "AIFCLK" },
	1177	{ "AIF1TX3", NULL, "AIFCLK" },
	1178	{ "AIF1TX4", NULL, "AIFCLK" },
	1179	{ "AIF1TX5", NULL, "AIFCLK" },
	1180
	1181	{ "AIF2TX0", NULL, "AIFCLK" },
	1182	{ "AIF2TX1", NULL, "AIFCLK" },
	1183
	1184	{ "DSP1RXL", NULL, "SYSDSPCLK" },
	1185	{ "DSP1RXR", NULL, "SYSDSPCLK" },
	1186	{ "DSP2RXL", NULL, "SYSDSPCLK" },
	1187	{ "DSP2RXR", NULL, "SYSDSPCLK" },
	1188	{ "DSP1TXL", NULL, "SYSDSPCLK" },
	1189	{ "DSP1TXR", NULL, "SYSDSPCLK" },
	1190	{ "DSP2TXL", NULL, "SYSDSPCLK" },
	1191	{ "DSP2TXR", NULL, "SYSDSPCLK" },
	1192
	1193	{ "AIF1RXA", NULL, "AIF1RX0" },
	1194	{ "AIF1RXA", NULL, "AIF1RX1" },
	1195	{ "AIF1RXB", NULL, "AIF1RX2" },
	1196	{ "AIF1RXB", NULL, "AIF1RX3" },
	1197	{ "AIF1RXC", NULL, "AIF1RX4" },
	1198	{ "AIF1RXC", NULL, "AIF1RX5" },
	1199
	1200	{ "AIF2RX", NULL, "AIF2RX0" },
	1201	{ "AIF2RX", NULL, "AIF2RX1" },
	1202
	1203	{ "AIF2TX", "DSP2", "DSP2TX" },
	1204	{ "AIF2TX", "DSP1", "DSP1RX" },
	1205	{ "AIF2TX", "AIF1", "AIF1RXC" },
	1206
	1207	{ "DSP1RXL", NULL, "DSP1RX" },
	1208	{ "DSP1RXR", NULL, "DSP1RX" },
	1209	{ "DSP2RXL", NULL, "DSP2RX" },
	1210	{ "DSP2RXR", NULL, "DSP2RX" },
	1211
	1212	{ "DSP2TX", NULL, "DSP2TXL" },
	1213	{ "DSP2TX", NULL, "DSP2TXR" },
	1214
	1215	{ "DSP1RX", "AIF1", "AIF1RXA" },
	1216	{ "DSP1RX", "AIF2", "AIF2RX" },
	1217
	1218	{ "DSP2RX", "AIF1", "AIF1RXB" },
	1219	{ "DSP2RX", "AIF2", "AIF2RX" },
	1220
	1221	{ "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" },
	1222	{ "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" },
	1223	{ "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
	1224	{ "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
	1225
	1226	{ "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" },
	1227	{ "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" },
	1228	{ "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
	1229	{ "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
	1230
	1231	{ "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" },
	1232	{ "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" },
	1233	{ "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
	1234	{ "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
	1235
	1236	{ "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" },
	1237	{ "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" },
	1238	{ "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
	1239	{ "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
	1240
	1241	{ "DAC1L", NULL, "DAC1L Mixer" },
	1242	{ "DAC1R", NULL, "DAC1R Mixer" },
	1243	{ "DAC2L", NULL, "DAC2L Mixer" },
	1244	{ "DAC2R", NULL, "DAC2R Mixer" },
	1245
	1246	{ "HPOUT2L PGA", NULL, "Charge Pump" },
	1247	{ "HPOUT2L PGA", NULL, "Bandgap" },
	1248	{ "HPOUT2L PGA", NULL, "DAC2L" },
	1249	{ "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
	1250	{ "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
	1251	{ "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" },
	1252
	1253	{ "HPOUT2R PGA", NULL, "Charge Pump" },
	1254	{ "HPOUT2R PGA", NULL, "Bandgap" },
	1255	{ "HPOUT2R PGA", NULL, "DAC2R" },
	1256	{ "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
	1257	{ "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
	1258	{ "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" },
	1259
	1260	{ "HPOUT1L PGA", NULL, "Charge Pump" },
	1261	{ "HPOUT1L PGA", NULL, "Bandgap" },
	1262	{ "HPOUT1L PGA", NULL, "DAC1L" },
	1263	{ "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
	1264	{ "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
	1265	{ "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" },
	1266
	1267	{ "HPOUT1R PGA", NULL, "Charge Pump" },
	1268	{ "HPOUT1R PGA", NULL, "Bandgap" },
	1269	{ "HPOUT1R PGA", NULL, "DAC1R" },
	1270	{ "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
	1271	{ "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
	1272	{ "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" },
	1273
	1274	{ "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
	1275	{ "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
	1276	{ "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" },
	1277	{ "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" },
	1278
	1279	{ "SPKL", "DAC1L", "DAC1L" },
	1280	{ "SPKL", "DAC1R", "DAC1R" },
	1281	{ "SPKL", "DAC2L", "DAC2L" },
	1282	{ "SPKL", "DAC2R", "DAC2R" },
	1283
	1284	{ "SPKR", "DAC1L", "DAC1L" },
	1285	{ "SPKR", "DAC1R", "DAC1R" },
	1286	{ "SPKR", "DAC2L", "DAC2L" },
	1287	{ "SPKR", "DAC2R", "DAC2R" },
	1288
	1289	{ "SPKL PGA", NULL, "SPKL" },
	1290	{ "SPKR PGA", NULL, "SPKR" },
	1291
	1292	{ "SPKDAT", NULL, "SPKL PGA" },
	1293	{ "SPKDAT", NULL, "SPKR PGA" },
	1294	};
	1295
	1296	static bool wm8996_readable_register(struct device *dev, unsigned int reg)
	1297	{
	1298	/* Due to the sparseness of the register map the compiler
	1299	* output from an explicit switch statement ends up being much
	1300	* more efficient than a table.
	1301	*/
	1302	switch (reg) {
	1303	case WM8996_SOFTWARE_RESET:
	1304	case WM8996_POWER_MANAGEMENT_1:
	1305	case WM8996_POWER_MANAGEMENT_2:
	1306	case WM8996_POWER_MANAGEMENT_3:
	1307	case WM8996_POWER_MANAGEMENT_4:
	1308	case WM8996_POWER_MANAGEMENT_5:
	1309	case WM8996_POWER_MANAGEMENT_6:
	1310	case WM8996_POWER_MANAGEMENT_7:
	1311	case WM8996_POWER_MANAGEMENT_8:
	1312	case WM8996_LEFT_LINE_INPUT_VOLUME:
	1313	case WM8996_RIGHT_LINE_INPUT_VOLUME:
	1314	case WM8996_LINE_INPUT_CONTROL:
	1315	case WM8996_DAC1_HPOUT1_VOLUME:
	1316	case WM8996_DAC2_HPOUT2_VOLUME:
	1317	case WM8996_DAC1_LEFT_VOLUME:
	1318	case WM8996_DAC1_RIGHT_VOLUME:
	1319	case WM8996_DAC2_LEFT_VOLUME:
	1320	case WM8996_DAC2_RIGHT_VOLUME:
	1321	case WM8996_OUTPUT1_LEFT_VOLUME:
	1322	case WM8996_OUTPUT1_RIGHT_VOLUME:
	1323	case WM8996_OUTPUT2_LEFT_VOLUME:
	1324	case WM8996_OUTPUT2_RIGHT_VOLUME:
	1325	case WM8996_MICBIAS_1:
	1326	case WM8996_MICBIAS_2:
	1327	case WM8996_LDO_1:
	1328	case WM8996_LDO_2:
	1329	case WM8996_ACCESSORY_DETECT_MODE_1:
	1330	case WM8996_ACCESSORY_DETECT_MODE_2:
	1331	case WM8996_HEADPHONE_DETECT_1:
	1332	case WM8996_HEADPHONE_DETECT_2:
	1333	case WM8996_MIC_DETECT_1:
	1334	case WM8996_MIC_DETECT_2:
	1335	case WM8996_MIC_DETECT_3:
	1336	case WM8996_CHARGE_PUMP_1:
	1337	case WM8996_CHARGE_PUMP_2:
	1338	case WM8996_DC_SERVO_1:
	1339	case WM8996_DC_SERVO_2:
	1340	case WM8996_DC_SERVO_3:
	1341	case WM8996_DC_SERVO_5:
	1342	case WM8996_DC_SERVO_6:
	1343	case WM8996_DC_SERVO_7:
	1344	case WM8996_DC_SERVO_READBACK_0:
	1345	case WM8996_ANALOGUE_HP_1:
	1346	case WM8996_ANALOGUE_HP_2:
	1347	case WM8996_CHIP_REVISION:
	1348	case WM8996_CONTROL_INTERFACE_1:
	1349	case WM8996_WRITE_SEQUENCER_CTRL_1:
	1350	case WM8996_WRITE_SEQUENCER_CTRL_2:
	1351	case WM8996_AIF_CLOCKING_1:
	1352	case WM8996_AIF_CLOCKING_2:
	1353	case WM8996_CLOCKING_1:
	1354	case WM8996_CLOCKING_2:
	1355	case WM8996_AIF_RATE:
	1356	case WM8996_FLL_CONTROL_1:
	1357	case WM8996_FLL_CONTROL_2:
	1358	case WM8996_FLL_CONTROL_3:
	1359	case WM8996_FLL_CONTROL_4:
	1360	case WM8996_FLL_CONTROL_5:
	1361	case WM8996_FLL_CONTROL_6:
	1362	case WM8996_FLL_EFS_1:
	1363	case WM8996_FLL_EFS_2:
	1364	case WM8996_AIF1_CONTROL:
	1365	case WM8996_AIF1_BCLK:
	1366	case WM8996_AIF1_TX_LRCLK_1:
	1367	case WM8996_AIF1_TX_LRCLK_2:
	1368	case WM8996_AIF1_RX_LRCLK_1:
	1369	case WM8996_AIF1_RX_LRCLK_2:
	1370	case WM8996_AIF1TX_DATA_CONFIGURATION_1:
	1371	case WM8996_AIF1TX_DATA_CONFIGURATION_2:
	1372	case WM8996_AIF1RX_DATA_CONFIGURATION:
	1373	case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION:
	1374	case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION:
	1375	case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION:
	1376	case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION:
	1377	case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION:
	1378	case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION:
	1379	case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION:
	1380	case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION:
	1381	case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION:
	1382	case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION:
	1383	case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION:
	1384	case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION:
	1385	case WM8996_AIF1RX_MONO_CONFIGURATION:
	1386	case WM8996_AIF1TX_TEST:
	1387	case WM8996_AIF2_CONTROL:
	1388	case WM8996_AIF2_BCLK:
	1389	case WM8996_AIF2_TX_LRCLK_1:
	1390	case WM8996_AIF2_TX_LRCLK_2:
	1391	case WM8996_AIF2_RX_LRCLK_1:
	1392	case WM8996_AIF2_RX_LRCLK_2:
	1393	case WM8996_AIF2TX_DATA_CONFIGURATION_1:
	1394	case WM8996_AIF2TX_DATA_CONFIGURATION_2:
	1395	case WM8996_AIF2RX_DATA_CONFIGURATION:
	1396	case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION:
	1397	case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION:
	1398	case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION:
	1399	case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION:
	1400	case WM8996_AIF2RX_MONO_CONFIGURATION:
	1401	case WM8996_AIF2TX_TEST:
	1402	case WM8996_DSP1_TX_LEFT_VOLUME:
	1403	case WM8996_DSP1_TX_RIGHT_VOLUME:
	1404	case WM8996_DSP1_RX_LEFT_VOLUME:
	1405	case WM8996_DSP1_RX_RIGHT_VOLUME:
	1406	case WM8996_DSP1_TX_FILTERS:
	1407	case WM8996_DSP1_RX_FILTERS_1:
	1408	case WM8996_DSP1_RX_FILTERS_2:
	1409	case WM8996_DSP1_DRC_1:
	1410	case WM8996_DSP1_DRC_2:
	1411	case WM8996_DSP1_DRC_3:
	1412	case WM8996_DSP1_DRC_4:
	1413	case WM8996_DSP1_DRC_5:
	1414	case WM8996_DSP1_RX_EQ_GAINS_1:
	1415	case WM8996_DSP1_RX_EQ_GAINS_2:
	1416	case WM8996_DSP1_RX_EQ_BAND_1_A:
	1417	case WM8996_DSP1_RX_EQ_BAND_1_B:
	1418	case WM8996_DSP1_RX_EQ_BAND_1_PG:
	1419	case WM8996_DSP1_RX_EQ_BAND_2_A:
	1420	case WM8996_DSP1_RX_EQ_BAND_2_B:
	1421	case WM8996_DSP1_RX_EQ_BAND_2_C:
	1422	case WM8996_DSP1_RX_EQ_BAND_2_PG:
	1423	case WM8996_DSP1_RX_EQ_BAND_3_A:
	1424	case WM8996_DSP1_RX_EQ_BAND_3_B:
	1425	case WM8996_DSP1_RX_EQ_BAND_3_C:
	1426	case WM8996_DSP1_RX_EQ_BAND_3_PG:
	1427	case WM8996_DSP1_RX_EQ_BAND_4_A:
	1428	case WM8996_DSP1_RX_EQ_BAND_4_B:
	1429	case WM8996_DSP1_RX_EQ_BAND_4_C:
	1430	case WM8996_DSP1_RX_EQ_BAND_4_PG:
	1431	case WM8996_DSP1_RX_EQ_BAND_5_A:
	1432	case WM8996_DSP1_RX_EQ_BAND_5_B:
	1433	case WM8996_DSP1_RX_EQ_BAND_5_PG:
	1434	case WM8996_DSP2_TX_LEFT_VOLUME:
	1435	case WM8996_DSP2_TX_RIGHT_VOLUME:
	1436	case WM8996_DSP2_RX_LEFT_VOLUME:
	1437	case WM8996_DSP2_RX_RIGHT_VOLUME:
	1438	case WM8996_DSP2_TX_FILTERS:
	1439	case WM8996_DSP2_RX_FILTERS_1:
	1440	case WM8996_DSP2_RX_FILTERS_2:
	1441	case WM8996_DSP2_DRC_1:
	1442	case WM8996_DSP2_DRC_2:
	1443	case WM8996_DSP2_DRC_3:
	1444	case WM8996_DSP2_DRC_4:
	1445	case WM8996_DSP2_DRC_5:
	1446	case WM8996_DSP2_RX_EQ_GAINS_1:
	1447	case WM8996_DSP2_RX_EQ_GAINS_2:
	1448	case WM8996_DSP2_RX_EQ_BAND_1_A:
	1449	case WM8996_DSP2_RX_EQ_BAND_1_B:
	1450	case WM8996_DSP2_RX_EQ_BAND_1_PG:
	1451	case WM8996_DSP2_RX_EQ_BAND_2_A:
	1452	case WM8996_DSP2_RX_EQ_BAND_2_B:
	1453	case WM8996_DSP2_RX_EQ_BAND_2_C:
	1454	case WM8996_DSP2_RX_EQ_BAND_2_PG:
	1455	case WM8996_DSP2_RX_EQ_BAND_3_A:
	1456	case WM8996_DSP2_RX_EQ_BAND_3_B:
	1457	case WM8996_DSP2_RX_EQ_BAND_3_C:
	1458	case WM8996_DSP2_RX_EQ_BAND_3_PG:
	1459	case WM8996_DSP2_RX_EQ_BAND_4_A:
	1460	case WM8996_DSP2_RX_EQ_BAND_4_B:
	1461	case WM8996_DSP2_RX_EQ_BAND_4_C:
	1462	case WM8996_DSP2_RX_EQ_BAND_4_PG:
	1463	case WM8996_DSP2_RX_EQ_BAND_5_A:
	1464	case WM8996_DSP2_RX_EQ_BAND_5_B:
	1465	case WM8996_DSP2_RX_EQ_BAND_5_PG:
	1466	case WM8996_DAC1_MIXER_VOLUMES:
	1467	case WM8996_DAC1_LEFT_MIXER_ROUTING:
	1468	case WM8996_DAC1_RIGHT_MIXER_ROUTING:
	1469	case WM8996_DAC2_MIXER_VOLUMES:
	1470	case WM8996_DAC2_LEFT_MIXER_ROUTING:
	1471	case WM8996_DAC2_RIGHT_MIXER_ROUTING:
	1472	case WM8996_DSP1_TX_LEFT_MIXER_ROUTING:
	1473	case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING:
	1474	case WM8996_DSP2_TX_LEFT_MIXER_ROUTING:
	1475	case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING:
	1476	case WM8996_DSP_TX_MIXER_SELECT:
	1477	case WM8996_DAC_SOFTMUTE:
	1478	case WM8996_OVERSAMPLING:
	1479	case WM8996_SIDETONE:
	1480	case WM8996_GPIO_1:
	1481	case WM8996_GPIO_2:
	1482	case WM8996_GPIO_3:
	1483	case WM8996_GPIO_4:
	1484	case WM8996_GPIO_5:
	1485	case WM8996_PULL_CONTROL_1:
	1486	case WM8996_PULL_CONTROL_2:
	1487	case WM8996_INTERRUPT_STATUS_1:
	1488	case WM8996_INTERRUPT_STATUS_2:
	1489	case WM8996_INTERRUPT_RAW_STATUS_2:
	1490	case WM8996_INTERRUPT_STATUS_1_MASK:
	1491	case WM8996_INTERRUPT_STATUS_2_MASK:
	1492	case WM8996_INTERRUPT_CONTROL:
	1493	case WM8996_LEFT_PDM_SPEAKER:
	1494	case WM8996_RIGHT_PDM_SPEAKER:
	1495	case WM8996_PDM_SPEAKER_MUTE_SEQUENCE:
	1496	case WM8996_PDM_SPEAKER_VOLUME:
	1497	return true;
	1498	default:
	1499	return false;
	1500	}
	1501	}
	1502
	1503	static bool wm8996_volatile_register(struct device *dev, unsigned int reg)
	1504	{
	1505	switch (reg) {
	1506	case WM8996_SOFTWARE_RESET:
	1507	case WM8996_CHIP_REVISION:
	1508	case WM8996_LDO_1:
	1509	case WM8996_LDO_2:
	1510	case WM8996_INTERRUPT_STATUS_1:
	1511	case WM8996_INTERRUPT_STATUS_2:
	1512	case WM8996_INTERRUPT_RAW_STATUS_2:
	1513	case WM8996_DC_SERVO_READBACK_0:
	1514	case WM8996_DC_SERVO_2:
	1515	case WM8996_DC_SERVO_6:
	1516	case WM8996_DC_SERVO_7:
	1517	case WM8996_FLL_CONTROL_6:
	1518	case WM8996_MIC_DETECT_3:
	1519	case WM8996_HEADPHONE_DETECT_1:
	1520	case WM8996_HEADPHONE_DETECT_2:
	1521	return true;
	1522	default:
	1523	return false;
	1524	}
	1525	}
	1526
	1527	static const int bclk_divs[] = {
	1528	1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
	1529	};
	1530
	1531	static void wm8996_update_bclk(struct snd_soc_component *component)
	1532	{
	1533	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	1534	int aif, best, cur_val, bclk_rate, bclk_reg, i;
	1535
	1536	/* Don't bother if we're in a low frequency idle mode that
	1537	* can't support audio.
	1538	*/
	1539	if (wm8996->sysclk < 64000)
	1540	return;
	1541
	1542	for (aif = 0; aif < WM8996_AIFS; aif++) {
	1543	switch (aif) {
	1544	case 0:
	1545	bclk_reg = WM8996_AIF1_BCLK;
	1546	break;
	1547	case 1:
	1548	bclk_reg = WM8996_AIF2_BCLK;
	1549	break;
	1550	}
	1551
	1552	bclk_rate = wm8996->bclk_rate[aif];
	1553
	1554	/* Pick a divisor for BCLK as close as we can get to ideal */
	1555	best = 0;
	1556	for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
	1557	cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate;
	1558	if (cur_val < 0) /* BCLK table is sorted */
	1559	break;
	1560	best = i;
	1561	}
	1562	bclk_rate = wm8996->sysclk / bclk_divs[best];
	1563	dev_dbg(component->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
	1564	bclk_divs[best], bclk_rate);
	1565
	1566	snd_soc_component_update_bits(component, bclk_reg,
	1567	WM8996_AIF1_BCLK_DIV_MASK, best);
	1568	}
	1569	}
	1570
	1571	static int wm8996_set_bias_level(struct snd_soc_component *component,
	1572	enum snd_soc_bias_level level)
	1573	{
	1574	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	1575	int ret;
	1576
	1577	switch (level) {
	1578	case SND_SOC_BIAS_ON:
	1579	break;
	1580	case SND_SOC_BIAS_PREPARE:
	1581	/* Put the MICBIASes into regulating mode */
	1582	snd_soc_component_update_bits(component, WM8996_MICBIAS_1,
	1583	WM8996_MICB1_MODE, 0);
	1584	snd_soc_component_update_bits(component, WM8996_MICBIAS_2,
	1585	WM8996_MICB2_MODE, 0);
	1586	break;
	1587
	1588	case SND_SOC_BIAS_STANDBY:
	1589	if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
	1590	ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
	1591	wm8996->supplies);
	1592	if (ret != 0) {
	1593	dev_err(component->dev,
	1594	"Failed to enable supplies: %d\n",
	1595	ret);
	1596	return ret;
	1597	}
	1598
	1599	if (wm8996->ldo_ena) {
	1600	gpiod_set_value_cansleep(wm8996->ldo_ena,
	1601	1);
	1602	msleep(5);
	1603	}
	1604
	1605	regcache_cache_only(wm8996->regmap, false);
	1606	regcache_sync(wm8996->regmap);
	1607	}
	1608
	1609	/* Bypass the MICBIASes for lowest power */
	1610	snd_soc_component_update_bits(component, WM8996_MICBIAS_1,
	1611	WM8996_MICB1_MODE, WM8996_MICB1_MODE);
	1612	snd_soc_component_update_bits(component, WM8996_MICBIAS_2,
	1613	WM8996_MICB2_MODE, WM8996_MICB2_MODE);
	1614	break;
	1615
	1616	case SND_SOC_BIAS_OFF:
	1617	regcache_cache_only(wm8996->regmap, true);
	1618	if (wm8996->ldo_ena) {
	1619	gpiod_set_value_cansleep(wm8996->ldo_ena, 0);
	1620	regcache_cache_only(wm8996->regmap, true);
	1621	}
	1622	regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies),
	1623	wm8996->supplies);
	1624	break;
	1625	}
	1626
	1627	return 0;
	1628	}
	1629
	1630	static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
	1631	{
	1632	struct snd_soc_component *component = dai->component;
	1633	int aifctrl = 0;
	1634	int bclk = 0;
	1635	int lrclk_tx = 0;
	1636	int lrclk_rx = 0;
	1637	int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg;
	1638
	1639	switch (dai->id) {
	1640	case 0:
	1641	aifctrl_reg = WM8996_AIF1_CONTROL;
	1642	bclk_reg = WM8996_AIF1_BCLK;
	1643	lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2;
	1644	lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2;
	1645	break;
	1646	case 1:
	1647	aifctrl_reg = WM8996_AIF2_CONTROL;
	1648	bclk_reg = WM8996_AIF2_BCLK;
	1649	lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2;
	1650	lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2;
	1651	break;
	1652	default:
	1653	WARN(1, "Invalid dai id %d\n", dai->id);
	1654	return -EINVAL;
	1655	}
	1656
	1657	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
	1658	case SND_SOC_DAIFMT_NB_NF:
	1659	break;
	1660	case SND_SOC_DAIFMT_IB_NF:
	1661	bclk \|= WM8996_AIF1_BCLK_INV;
	1662	break;
	1663	case SND_SOC_DAIFMT_NB_IF:
	1664	lrclk_tx \|= WM8996_AIF1TX_LRCLK_INV;
	1665	lrclk_rx \|= WM8996_AIF1RX_LRCLK_INV;
	1666	break;
	1667	case SND_SOC_DAIFMT_IB_IF:
	1668	bclk \|= WM8996_AIF1_BCLK_INV;
	1669	lrclk_tx \|= WM8996_AIF1TX_LRCLK_INV;
	1670	lrclk_rx \|= WM8996_AIF1RX_LRCLK_INV;
	1671	break;
	1672	}
	1673
	1674	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
	1675	case SND_SOC_DAIFMT_CBS_CFS:
	1676	break;
	1677	case SND_SOC_DAIFMT_CBS_CFM:
	1678	lrclk_tx \|= WM8996_AIF1TX_LRCLK_MSTR;
	1679	lrclk_rx \|= WM8996_AIF1RX_LRCLK_MSTR;
	1680	break;
	1681	case SND_SOC_DAIFMT_CBM_CFS:
	1682	bclk \|= WM8996_AIF1_BCLK_MSTR;
	1683	break;
	1684	case SND_SOC_DAIFMT_CBM_CFM:
	1685	bclk \|= WM8996_AIF1_BCLK_MSTR;
	1686	lrclk_tx \|= WM8996_AIF1TX_LRCLK_MSTR;
	1687	lrclk_rx \|= WM8996_AIF1RX_LRCLK_MSTR;
	1688	break;
	1689	default:
	1690	return -EINVAL;
	1691	}
	1692
	1693	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
	1694	case SND_SOC_DAIFMT_DSP_A:
	1695	break;
	1696	case SND_SOC_DAIFMT_DSP_B:
	1697	aifctrl \|= 1;
	1698	break;
	1699	case SND_SOC_DAIFMT_I2S:
	1700	aifctrl \|= 2;
	1701	break;
	1702	case SND_SOC_DAIFMT_LEFT_J:
	1703	aifctrl \|= 3;
	1704	break;
	1705	default:
	1706	return -EINVAL;
	1707	}
	1708
	1709	snd_soc_component_update_bits(component, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl);
	1710	snd_soc_component_update_bits(component, bclk_reg,
	1711	WM8996_AIF1_BCLK_INV \| WM8996_AIF1_BCLK_MSTR,
	1712	bclk);
	1713	snd_soc_component_update_bits(component, lrclk_tx_reg,
	1714	WM8996_AIF1TX_LRCLK_INV \|
	1715	WM8996_AIF1TX_LRCLK_MSTR,
	1716	lrclk_tx);
	1717	snd_soc_component_update_bits(component, lrclk_rx_reg,
	1718	WM8996_AIF1RX_LRCLK_INV \|
	1719	WM8996_AIF1RX_LRCLK_MSTR,
	1720	lrclk_rx);
	1721
	1722	return 0;
	1723	}
	1724
	1725	static const int dsp_divs[] = {
	1726	48000, 32000, 16000, 8000
	1727	};
	1728
	1729	static int wm8996_hw_params(struct snd_pcm_substream *substream,
	1730	struct snd_pcm_hw_params *params,
	1731	struct snd_soc_dai *dai)
	1732	{
	1733	struct snd_soc_component *component = dai->component;
	1734	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	1735	int bits, i, bclk_rate, best;
	1736	int aifdata = 0;
	1737	int lrclk = 0;
	1738	int dsp = 0;
	1739	int aifdata_reg, lrclk_reg, dsp_shift;
	1740
	1741	switch (dai->id) {
	1742	case 0:
	1743	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK \|\|
	1744	(snd_soc_component_read(component, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) {
	1745	aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION;
	1746	lrclk_reg = WM8996_AIF1_RX_LRCLK_1;
	1747	} else {
	1748	aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1;
	1749	lrclk_reg = WM8996_AIF1_TX_LRCLK_1;
	1750	}
	1751	dsp_shift = 0;
	1752	break;
	1753	case 1:
	1754	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK \|\|
	1755	(snd_soc_component_read(component, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) {
	1756	aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION;
	1757	lrclk_reg = WM8996_AIF2_RX_LRCLK_1;
	1758	} else {
	1759	aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1;
	1760	lrclk_reg = WM8996_AIF2_TX_LRCLK_1;
	1761	}
	1762	dsp_shift = WM8996_DSP2_DIV_SHIFT;
	1763	break;
	1764	default:
	1765	WARN(1, "Invalid dai id %d\n", dai->id);
	1766	return -EINVAL;
	1767	}
	1768
	1769	bclk_rate = snd_soc_params_to_bclk(params);
	1770	if (bclk_rate < 0) {
	1771	dev_err(component->dev, "Unsupported BCLK rate: %d\n", bclk_rate);
	1772	return bclk_rate;
	1773	}
	1774
	1775	wm8996->bclk_rate[dai->id] = bclk_rate;
	1776	wm8996->rx_rate[dai->id] = params_rate(params);
	1777
	1778	/* Needs looking at for TDM */
	1779	bits = params_width(params);
	1780	if (bits < 0)
	1781	return bits;
	1782	aifdata \|= (bits << WM8996_AIF1TX_WL_SHIFT) \| bits;
	1783
	1784	best = 0;
	1785	for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) {
	1786	if (abs(dsp_divs[i] - params_rate(params)) <
	1787	abs(dsp_divs[best] - params_rate(params)))
	1788	best = i;
	1789	}
	1790	dsp \|= i << dsp_shift;
	1791
	1792	wm8996_update_bclk(component);
	1793
	1794	lrclk = bclk_rate / params_rate(params);
	1795	dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
	1796	lrclk, bclk_rate / lrclk);
	1797
	1798	snd_soc_component_update_bits(component, aifdata_reg,
	1799	WM8996_AIF1TX_WL_MASK \|
	1800	WM8996_AIF1TX_SLOT_LEN_MASK,
	1801	aifdata);
	1802	snd_soc_component_update_bits(component, lrclk_reg, WM8996_AIF1RX_RATE_MASK,
	1803	lrclk);
	1804	snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_2,
	1805	WM8996_DSP1_DIV_MASK << dsp_shift, dsp);
	1806
	1807	return 0;
	1808	}
	1809
	1810	static int wm8996_set_sysclk(struct snd_soc_dai *dai,
	1811	int clk_id, unsigned int freq, int dir)
	1812	{
	1813	struct snd_soc_component *component = dai->component;
	1814	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	1815	int lfclk = 0;
	1816	int ratediv = 0;
	1817	int sync = WM8996_REG_SYNC;
	1818	int src;
	1819	int old;
	1820
	1821	if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src)
	1822	return 0;
	1823
	1824	/* Disable SYSCLK while we reconfigure */
	1825	old = snd_soc_component_read(component, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA;
	1826	snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1,
	1827	WM8996_SYSCLK_ENA, 0);
	1828
	1829	switch (clk_id) {
	1830	case WM8996_SYSCLK_MCLK1:
	1831	wm8996->sysclk = freq;
	1832	src = 0;
	1833	break;
	1834	case WM8996_SYSCLK_MCLK2:
	1835	wm8996->sysclk = freq;
	1836	src = 1;
	1837	break;
	1838	case WM8996_SYSCLK_FLL:
	1839	wm8996->sysclk = freq;
	1840	src = 2;
	1841	break;
	1842	default:
	1843	dev_err(component->dev, "Unsupported clock source %d\n", clk_id);
	1844	return -EINVAL;
	1845	}
	1846
	1847	switch (wm8996->sysclk) {
	1848	case 5644800:
	1849	case 6144000:
	1850	snd_soc_component_update_bits(component, WM8996_AIF_RATE,
	1851	WM8996_SYSCLK_RATE, 0);
	1852	break;
	1853	case 22579200:
	1854	case 24576000:
	1855	ratediv = WM8996_SYSCLK_DIV;
	1856	wm8996->sysclk /= 2;
	1857	fallthrough;
	1858	case 11289600:
	1859	case 12288000:
	1860	snd_soc_component_update_bits(component, WM8996_AIF_RATE,
	1861	WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
	1862	break;
	1863	case 32000:
	1864	case 32768:
	1865	lfclk = WM8996_LFCLK_ENA;
	1866	sync = 0;
	1867	break;
	1868	default:
	1869	dev_warn(component->dev, "Unsupported clock rate %dHz\n",
	1870	wm8996->sysclk);
	1871	return -EINVAL;
	1872	}
	1873
	1874	wm8996_update_bclk(component);
	1875
	1876	snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1,
	1877	WM8996_SYSCLK_SRC_MASK \| WM8996_SYSCLK_DIV_MASK,
	1878	src << WM8996_SYSCLK_SRC_SHIFT \| ratediv);
	1879	snd_soc_component_update_bits(component, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk);
	1880	snd_soc_component_update_bits(component, WM8996_CONTROL_INTERFACE_1,
	1881	WM8996_REG_SYNC, sync);
	1882	snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1,
	1883	WM8996_SYSCLK_ENA, old);
	1884
	1885	wm8996->sysclk_src = clk_id;
	1886
	1887	return 0;
	1888	}
	1889
	1890	struct _fll_div {
	1891	u16 fll_fratio;
	1892	u16 fll_outdiv;
	1893	u16 fll_refclk_div;
	1894	u16 fll_loop_gain;
	1895	u16 fll_ref_freq;
	1896	u16 n;
	1897	u16 theta;
	1898	u16 lambda;
	1899	};
	1900
	1901	static struct {
	1902	unsigned int min;
	1903	unsigned int max;
	1904	u16 fll_fratio;
	1905	int ratio;
	1906	} fll_fratios[] = {
	1907	{ 0, 64000, 4, 16 },
	1908	{ 64000, 128000, 3, 8 },
	1909	{ 128000, 256000, 2, 4 },
	1910	{ 256000, 1000000, 1, 2 },
	1911	{ 1000000, 13500000, 0, 1 },
	1912	};
	1913
	1914	static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
	1915	unsigned int Fout)
	1916	{
	1917	unsigned int target;
	1918	unsigned int div;
	1919	unsigned int fratio, gcd_fll;
	1920	int i;
	1921
	1922	/* Fref must be <=13.5MHz */
	1923	div = 1;
	1924	fll_div->fll_refclk_div = 0;
	1925	while ((Fref / div) > 13500000) {
	1926	div *= 2;
	1927	fll_div->fll_refclk_div++;
	1928
	1929	if (div > 8) {
	1930	pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
	1931	Fref);
	1932	return -EINVAL;
	1933	}
	1934	}
	1935
	1936	pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout);
	1937
	1938	/* Apply the division for our remaining calculations */
	1939	Fref /= div;
	1940
	1941	if (Fref >= 3000000)
	1942	fll_div->fll_loop_gain = 5;
	1943	else
	1944	fll_div->fll_loop_gain = 0;
	1945
	1946	if (Fref >= 48000)
	1947	fll_div->fll_ref_freq = 0;
	1948	else
	1949	fll_div->fll_ref_freq = 1;
	1950
	1951	/* Fvco should be 90-100MHz; don't check the upper bound */
	1952	div = 2;
	1953	while (Fout * div < 90000000) {
	1954	div++;
	1955	if (div > 64) {
	1956	pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
	1957	Fout);
	1958	return -EINVAL;
	1959	}
	1960	}
	1961	target = Fout * div;
	1962	fll_div->fll_outdiv = div - 1;
	1963
	1964	pr_debug("FLL Fvco=%dHz\n", target);
	1965
	1966	/* Find an appropraite FLL_FRATIO and factor it out of the target */
	1967	for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
	1968	if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
	1969	fll_div->fll_fratio = fll_fratios[i].fll_fratio;
	1970	fratio = fll_fratios[i].ratio;
	1971	break;
	1972	}
	1973	}
	1974	if (i == ARRAY_SIZE(fll_fratios)) {
	1975	pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
	1976	return -EINVAL;
	1977	}
	1978
	1979	fll_div->n = target / (fratio * Fref);
	1980
	1981	if (target % Fref == 0) {
	1982	fll_div->theta = 0;
	1983	fll_div->lambda = 0;
	1984	} else {
	1985	gcd_fll = gcd(target, fratio * Fref);
	1986
	1987	fll_div->theta = (target - (fll_div->n * fratio * Fref))
	1988	/ gcd_fll;
	1989	fll_div->lambda = (fratio * Fref) / gcd_fll;
	1990	}
	1991
	1992	pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n",
	1993	fll_div->n, fll_div->theta, fll_div->lambda);
	1994	pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n",
	1995	fll_div->fll_fratio, fll_div->fll_outdiv,
	1996	fll_div->fll_refclk_div);
	1997
	1998	return 0;
	1999	}
	2000
	2001	static int wm8996_set_fll(struct snd_soc_component *component, int fll_id, int source,
	2002	unsigned int Fref, unsigned int Fout)
	2003	{
	2004	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	2005	struct i2c_client *i2c = to_i2c_client(component->dev);
	2006	struct _fll_div fll_div;
	2007	unsigned long timeout, time_left;
	2008	int ret, reg, retry;
	2009
	2010	/* Any change? */
	2011	if (source == wm8996->fll_src && Fref == wm8996->fll_fref &&
	2012	Fout == wm8996->fll_fout)
	2013	return 0;
	2014
	2015	if (Fout == 0) {
	2016	dev_dbg(component->dev, "FLL disabled\n");
	2017
	2018	wm8996->fll_fref = 0;
	2019	wm8996->fll_fout = 0;
	2020
	2021	snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_1,
	2022	WM8996_FLL_ENA, 0);
	2023
	2024	wm8996_bg_disable(component);
	2025
	2026	return 0;
	2027	}
	2028
	2029	ret = fll_factors(&fll_div, Fref, Fout);
	2030	if (ret != 0)
	2031	return ret;
	2032
	2033	switch (source) {
	2034	case WM8996_FLL_MCLK1:
	2035	reg = 0;
	2036	break;
	2037	case WM8996_FLL_MCLK2:
	2038	reg = 1;
	2039	break;
	2040	case WM8996_FLL_DACLRCLK1:
	2041	reg = 2;
	2042	break;
	2043	case WM8996_FLL_BCLK1:
	2044	reg = 3;
	2045	break;
	2046	default:
	2047	dev_err(component->dev, "Unknown FLL source %d\n", ret);
	2048	return -EINVAL;
	2049	}
	2050
	2051	reg \|= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT;
	2052	reg \|= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT;
	2053
	2054	snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_5,
	2055	WM8996_FLL_REFCLK_DIV_MASK \| WM8996_FLL_REF_FREQ \|
	2056	WM8996_FLL_REFCLK_SRC_MASK, reg);
	2057
	2058	reg = 0;
	2059	if (fll_div.theta \|\| fll_div.lambda)
	2060	reg \|= WM8996_FLL_EFS_ENA \| (3 << WM8996_FLL_LFSR_SEL_SHIFT);
	2061	else
	2062	reg \|= 1 << WM8996_FLL_LFSR_SEL_SHIFT;
	2063	snd_soc_component_write(component, WM8996_FLL_EFS_2, reg);
	2064
	2065	snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_2,
	2066	WM8996_FLL_OUTDIV_MASK \|
	2067	WM8996_FLL_FRATIO_MASK,
	2068	(fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) \|
	2069	(fll_div.fll_fratio));
	2070
	2071	snd_soc_component_write(component, WM8996_FLL_CONTROL_3, fll_div.theta);
	2072
	2073	snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_4,
	2074	WM8996_FLL_N_MASK \| WM8996_FLL_LOOP_GAIN_MASK,
	2075	(fll_div.n << WM8996_FLL_N_SHIFT) \|
	2076	fll_div.fll_loop_gain);
	2077
	2078	snd_soc_component_write(component, WM8996_FLL_EFS_1, fll_div.lambda);
	2079
	2080	/* Enable the bandgap if it's not already enabled */
	2081	ret = snd_soc_component_read(component, WM8996_FLL_CONTROL_1);
	2082	if (!(ret & WM8996_FLL_ENA))
	2083	wm8996_bg_enable(component);
	2084
	2085	/* Clear any pending completions (eg, from failed startups) */
	2086	try_wait_for_completion(&wm8996->fll_lock);
	2087
	2088	snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_1,
	2089	WM8996_FLL_ENA, WM8996_FLL_ENA);
	2090
	2091	/* The FLL supports live reconfiguration - kick that in case we were
	2092	* already enabled.
	2093	*/
	2094	snd_soc_component_write(component, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK);
	2095
	2096	/* Wait for the FLL to lock, using the interrupt if possible */
	2097	if (Fref > 1000000)
	2098	timeout = usecs_to_jiffies(300);
	2099	else
	2100	timeout = msecs_to_jiffies(2);
	2101
	2102	/* Allow substantially longer if we've actually got the IRQ, poll
	2103	* at a slightly higher rate if we don't.
	2104	*/
	2105	if (i2c->irq)
	2106	timeout *= 10;
	2107	else
	2108	/* ensure timeout of atleast 1 jiffies */
	2109	timeout = (timeout/2) ? : 1;
	2110
	2111	for (retry = 0; retry < 10; retry++) {
	2112	time_left = wait_for_completion_timeout(&wm8996->fll_lock,
	2113	timeout);
	2114	if (time_left != 0) {
	2115	WARN_ON(!i2c->irq);
	2116	ret = 1;
	2117	break;
	2118	}
	2119
	2120	ret = snd_soc_component_read(component, WM8996_INTERRUPT_RAW_STATUS_2);
	2121	if (ret & WM8996_FLL_LOCK_STS)
	2122	break;
	2123	}
	2124	if (retry == 10) {
	2125	dev_err(component->dev, "Timed out waiting for FLL\n");
	2126	ret = -ETIMEDOUT;
	2127	}
	2128
	2129	dev_dbg(component->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
	2130
	2131	wm8996->fll_fref = Fref;
	2132	wm8996->fll_fout = Fout;
	2133	wm8996->fll_src = source;
	2134
	2135	return ret;
	2136	}
	2137
	2138	#ifdef CONFIG_GPIOLIB
	2139	static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
	2140	{
	2141	struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
	2142
	2143	regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
	2144	WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
	2145	}
	2146
	2147	static int wm8996_gpio_direction_out(struct gpio_chip *chip,
	2148	unsigned offset, int value)
	2149	{
	2150	struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
	2151	int val;
	2152
	2153	val = (1 << WM8996_GP1_FN_SHIFT) \| (!!value << WM8996_GP1_LVL_SHIFT);
	2154
	2155	return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
	2156	WM8996_GP1_FN_MASK \| WM8996_GP1_DIR \|
	2157	WM8996_GP1_LVL, val);
	2158	}
	2159
	2160	static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
	2161	{
	2162	struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
	2163	unsigned int reg;
	2164	int ret;
	2165
	2166	ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, &reg);
	2167	if (ret < 0)
	2168	return ret;
	2169
	2170	return (reg & WM8996_GP1_LVL) != 0;
	2171	}
	2172
	2173	static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
	2174	{
	2175	struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
	2176
	2177	return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
	2178	WM8996_GP1_FN_MASK \| WM8996_GP1_DIR,
	2179	(1 << WM8996_GP1_FN_SHIFT) \|
	2180	(1 << WM8996_GP1_DIR_SHIFT));
	2181	}
	2182
	2183	static const struct gpio_chip wm8996_template_chip = {
	2184	.label = "wm8996",
	2185	.owner = THIS_MODULE,
	2186	.direction_output = wm8996_gpio_direction_out,
	2187	.set = wm8996_gpio_set,
	2188	.direction_input = wm8996_gpio_direction_in,
	2189	.get = wm8996_gpio_get,
	2190	.can_sleep = 1,
	2191	.ngpio = 5,
	2192	.base = -1,
	2193	};
	2194
	2195	static void wm8996_init_gpio(struct wm8996_priv *wm8996)
	2196	{
	2197	int ret;
	2198
	2199	wm8996->gpio_chip = wm8996_template_chip;
	2200	wm8996->gpio_chip.parent = wm8996->dev;
	2201
	2202	ret = gpiochip_add_data(&wm8996->gpio_chip, wm8996);
	2203	if (ret != 0)
	2204	dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret);
	2205	}
	2206
	2207	static void wm8996_free_gpio(struct wm8996_priv *wm8996)
	2208	{
	2209	gpiochip_remove(&wm8996->gpio_chip);
	2210	}
	2211	#else
	2212	static void wm8996_init_gpio(struct wm8996_priv *wm8996)
	2213	{
	2214	}
	2215
	2216	static void wm8996_free_gpio(struct wm8996_priv *wm8996)
	2217	{
	2218	}
	2219	#endif
	2220
	2221	/**
	2222	* wm8996_detect - Enable default WM8996 jack detection
	2223	* @component: ASoC component
	2224	* @jack: jack pointer
	2225	* @polarity_cb: polarity callback
	2226	*
	2227	* The WM8996 has advanced accessory detection support for headsets.
	2228	* This function provides a default implementation which integrates
	2229	* the majority of this functionality with minimal user configuration.
	2230	*
	2231	* This will detect headset, headphone and short circuit button and
	2232	* will also detect inverted microphone ground connections and update
	2233	* the polarity of the connections.
	2234	*/
	2235	int wm8996_detect(struct snd_soc_component component, struct snd_soc_jack jack,
	2236	wm8996_polarity_fn polarity_cb)
	2237	{
	2238	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	2239	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
	2240
	2241	wm8996->jack = jack;
	2242	wm8996->detecting = true;
	2243	wm8996->polarity_cb = polarity_cb;
	2244	wm8996->jack_flips = 0;
	2245
	2246	if (wm8996->polarity_cb)
	2247	wm8996->polarity_cb(component, 0);
	2248
	2249	/* Clear discarge to avoid noise during detection */
	2250	snd_soc_component_update_bits(component, WM8996_MICBIAS_1,
	2251	WM8996_MICB1_DISCH, 0);
	2252	snd_soc_component_update_bits(component, WM8996_MICBIAS_2,
	2253	WM8996_MICB2_DISCH, 0);
	2254
	2255	/* LDO2 powers the microphones, SYSCLK clocks detection */
	2256	snd_soc_dapm_mutex_lock(dapm);
	2257
	2258	snd_soc_dapm_force_enable_pin_unlocked(dapm, "LDO2");
	2259	snd_soc_dapm_force_enable_pin_unlocked(dapm, "SYSCLK");
	2260
	2261	snd_soc_dapm_mutex_unlock(dapm);
	2262
	2263	/* We start off just enabling microphone detection - even a
	2264	* plain headphone will trigger detection.
	2265	*/
	2266	snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
	2267	WM8996_MICD_ENA, WM8996_MICD_ENA);
	2268
	2269	/* Slowest detection rate, gives debounce for initial detection */
	2270	snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
	2271	WM8996_MICD_RATE_MASK,
	2272	WM8996_MICD_RATE_MASK);
	2273
	2274	/* Enable interrupts and we're off */
	2275	snd_soc_component_update_bits(component, WM8996_INTERRUPT_STATUS_2_MASK,
	2276	WM8996_IM_MICD_EINT \| WM8996_HP_DONE_EINT, 0);
	2277
	2278	return 0;
	2279	}
	2280	EXPORT_SYMBOL_GPL(wm8996_detect);
	2281
	2282	static void wm8996_hpdet_irq(struct snd_soc_component *component)
	2283	{
	2284	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
	2285	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	2286	int val, reg, report;
	2287
	2288	/* Assume headphone in error conditions; we need to report
	2289	* something or we stall our state machine.
	2290	*/
	2291	report = SND_JACK_HEADPHONE;
	2292
	2293	reg = snd_soc_component_read(component, WM8996_HEADPHONE_DETECT_2);
	2294	if (reg < 0) {
	2295	dev_err(component->dev, "Failed to read HPDET status\n");
	2296	goto out;
	2297	}
	2298
	2299	if (!(reg & WM8996_HP_DONE)) {
	2300	dev_err(component->dev, "Got HPDET IRQ but HPDET is busy\n");
	2301	goto out;
	2302	}
	2303
	2304	val = reg & WM8996_HP_LVL_MASK;
	2305
	2306	dev_dbg(component->dev, "HPDET measured %d ohms\n", val);
	2307
	2308	/* If we've got high enough impedence then report as line,
	2309	* otherwise assume headphone.
	2310	*/
	2311	if (val >= 126)
	2312	report = SND_JACK_LINEOUT;
	2313	else
	2314	report = SND_JACK_HEADPHONE;
	2315
	2316	out:
	2317	if (wm8996->jack_mic)
	2318	report \|= SND_JACK_MICROPHONE;
	2319
	2320	snd_soc_jack_report(wm8996->jack, report,
	2321	SND_JACK_LINEOUT \| SND_JACK_HEADSET);
	2322
	2323	wm8996->detecting = false;
	2324
	2325	/* If the output isn't running re-clamp it */
	2326	if (!(snd_soc_component_read(component, WM8996_POWER_MANAGEMENT_1) &
	2327	(WM8996_HPOUT1L_ENA \| WM8996_HPOUT1R_RMV_SHORT)))
	2328	snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1,
	2329	WM8996_HPOUT1L_RMV_SHORT \|
	2330	WM8996_HPOUT1R_RMV_SHORT, 0);
	2331
	2332	/* Go back to looking at the microphone */
	2333	snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_1,
	2334	WM8996_JD_MODE_MASK, 0);
	2335	snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, WM8996_MICD_ENA,
	2336	WM8996_MICD_ENA);
	2337
	2338	snd_soc_dapm_disable_pin(dapm, "Bandgap");
	2339	snd_soc_dapm_sync(dapm);
	2340	}
	2341
	2342	static void wm8996_hpdet_start(struct snd_soc_component *component)
	2343	{
	2344	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
	2345
	2346	/* Unclamp the output, we can't measure while we're shorting it */
	2347	snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1,
	2348	WM8996_HPOUT1L_RMV_SHORT \|
	2349	WM8996_HPOUT1R_RMV_SHORT,
	2350	WM8996_HPOUT1L_RMV_SHORT \|
	2351	WM8996_HPOUT1R_RMV_SHORT);
	2352
	2353	/* We need bandgap for HPDET */
	2354	snd_soc_dapm_force_enable_pin(dapm, "Bandgap");
	2355	snd_soc_dapm_sync(dapm);
	2356
	2357	/* Go into headphone detect left mode */
	2358	snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0);
	2359	snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_1,
	2360	WM8996_JD_MODE_MASK, 1);
	2361
	2362	/* Trigger a measurement */
	2363	snd_soc_component_update_bits(component, WM8996_HEADPHONE_DETECT_1,
	2364	WM8996_HP_POLL, WM8996_HP_POLL);
	2365	}
	2366
	2367	static void wm8996_report_headphone(struct snd_soc_component *component)
	2368	{
	2369	dev_dbg(component->dev, "Headphone detected\n");
	2370	wm8996_hpdet_start(component);
	2371
	2372	/* Increase the detection rate a bit for responsiveness. */
	2373	snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
	2374	WM8996_MICD_RATE_MASK \|
	2375	WM8996_MICD_BIAS_STARTTIME_MASK,
	2376	7 << WM8996_MICD_RATE_SHIFT \|
	2377	7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
	2378	}
	2379
	2380	static void wm8996_micd(struct snd_soc_component *component)
	2381	{
	2382	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	2383	int val, reg;
	2384
	2385	val = snd_soc_component_read(component, WM8996_MIC_DETECT_3);
	2386
	2387	dev_dbg(component->dev, "Microphone event: %x\n", val);
	2388
	2389	if (!(val & WM8996_MICD_VALID)) {
	2390	dev_warn(component->dev, "Microphone detection state invalid\n");
	2391	return;
	2392	}
	2393
	2394	/* No accessory, reset everything and report removal */
	2395	if (!(val & WM8996_MICD_STS)) {
	2396	dev_dbg(component->dev, "Jack removal detected\n");
	2397	wm8996->jack_mic = false;
	2398	wm8996->detecting = true;
	2399	wm8996->jack_flips = 0;
	2400	snd_soc_jack_report(wm8996->jack, 0,
	2401	SND_JACK_LINEOUT \| SND_JACK_HEADSET \|
	2402	SND_JACK_BTN_0);
	2403
	2404	snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
	2405	WM8996_MICD_RATE_MASK \|
	2406	WM8996_MICD_BIAS_STARTTIME_MASK,
	2407	WM8996_MICD_RATE_MASK \|
	2408	9 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
	2409	return;
	2410	}
	2411
	2412	/* If the measurement is very high we've got a microphone,
	2413	* either we just detected one or if we already reported then
	2414	* we've got a button release event.
	2415	*/
	2416	if (val & 0x400) {
	2417	if (wm8996->detecting) {
	2418	dev_dbg(component->dev, "Microphone detected\n");
	2419	wm8996->jack_mic = true;
	2420	wm8996_hpdet_start(component);
	2421
	2422	/* Increase poll rate to give better responsiveness
	2423	* for buttons */
	2424	snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
	2425	WM8996_MICD_RATE_MASK \|
	2426	WM8996_MICD_BIAS_STARTTIME_MASK,
	2427	5 << WM8996_MICD_RATE_SHIFT \|
	2428	7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
	2429	} else {
	2430	dev_dbg(component->dev, "Mic button up\n");
	2431	snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0);
	2432	}
	2433
	2434	return;
	2435	}
	2436
	2437	/* If we detected a lower impedence during initial startup
	2438	* then we probably have the wrong polarity, flip it. Don't
	2439	* do this for the lowest impedences to speed up detection of
	2440	* plain headphones. If both polarities report a low
	2441	* impedence then give up and report headphones.
	2442	*/
	2443	if (wm8996->detecting && (val & 0x3f0)) {
	2444	wm8996->jack_flips++;
	2445
	2446	if (wm8996->jack_flips > 1) {
	2447	wm8996_report_headphone(component);
	2448	return;
	2449	}
	2450
	2451	reg = snd_soc_component_read(component, WM8996_ACCESSORY_DETECT_MODE_2);
	2452	reg ^= WM8996_HPOUT1FB_SRC \| WM8996_MICD_SRC \|
	2453	WM8996_MICD_BIAS_SRC;
	2454	snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_2,
	2455	WM8996_HPOUT1FB_SRC \| WM8996_MICD_SRC \|
	2456	WM8996_MICD_BIAS_SRC, reg);
	2457
	2458	if (wm8996->polarity_cb)
	2459	wm8996->polarity_cb(component,
	2460	(reg & WM8996_MICD_SRC) != 0);
	2461
	2462	dev_dbg(component->dev, "Set microphone polarity to %d\n",
	2463	(reg & WM8996_MICD_SRC) != 0);
	2464
	2465	return;
	2466	}
	2467
	2468	/* Don't distinguish between buttons, just report any low
	2469	* impedence as BTN_0.
	2470	*/
	2471	if (val & 0x3fc) {
	2472	if (wm8996->jack_mic) {
	2473	dev_dbg(component->dev, "Mic button detected\n");
	2474	snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0,
	2475	SND_JACK_BTN_0);
	2476	} else if (wm8996->detecting) {
	2477	wm8996_report_headphone(component);
	2478	}
	2479	}
	2480	}
	2481
	2482	static irqreturn_t wm8996_irq(int irq, void *data)
	2483	{
	2484	struct snd_soc_component *component = data;
	2485	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	2486	int irq_val;
	2487
	2488	irq_val = snd_soc_component_read(component, WM8996_INTERRUPT_STATUS_2);
	2489	if (irq_val < 0) {
	2490	dev_err(component->dev, "Failed to read IRQ status: %d\n",
	2491	irq_val);
	2492	return IRQ_NONE;
	2493	}
	2494	irq_val &= ~snd_soc_component_read(component, WM8996_INTERRUPT_STATUS_2_MASK);
	2495
	2496	if (!irq_val)
	2497	return IRQ_NONE;
	2498
	2499	snd_soc_component_write(component, WM8996_INTERRUPT_STATUS_2, irq_val);
	2500
	2501	if (irq_val & (WM8996_DCS_DONE_01_EINT \| WM8996_DCS_DONE_23_EINT)) {
	2502	dev_dbg(component->dev, "DC servo IRQ\n");
	2503	complete(&wm8996->dcs_done);
	2504	}
	2505
	2506	if (irq_val & WM8996_FIFOS_ERR_EINT)
	2507	dev_err(component->dev, "Digital core FIFO error\n");
	2508
	2509	if (irq_val & WM8996_FLL_LOCK_EINT) {
	2510	dev_dbg(component->dev, "FLL locked\n");
	2511	complete(&wm8996->fll_lock);
	2512	}
	2513
	2514	if (irq_val & WM8996_MICD_EINT)
	2515	wm8996_micd(component);
	2516
	2517	if (irq_val & WM8996_HP_DONE_EINT)
	2518	wm8996_hpdet_irq(component);
	2519
	2520	return IRQ_HANDLED;
	2521	}
	2522
	2523	static irqreturn_t wm8996_edge_irq(int irq, void *data)
	2524	{
	2525	irqreturn_t ret = IRQ_NONE;
	2526	irqreturn_t val;
	2527
	2528	do {
	2529	val = wm8996_irq(irq, data);
	2530	if (val != IRQ_NONE)
	2531	ret = val;
	2532	} while (val != IRQ_NONE);
	2533
	2534	return ret;
	2535	}
	2536
	2537	static void wm8996_retune_mobile_pdata(struct snd_soc_component *component)
	2538	{
	2539	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	2540	struct wm8996_pdata *pdata = &wm8996->pdata;
	2541
	2542	struct snd_kcontrol_new controls[] = {
	2543	SOC_ENUM_EXT("DSP1 EQ Mode",
	2544	wm8996->retune_mobile_enum,
	2545	wm8996_get_retune_mobile_enum,
	2546	wm8996_put_retune_mobile_enum),
	2547	SOC_ENUM_EXT("DSP2 EQ Mode",
	2548	wm8996->retune_mobile_enum,
	2549	wm8996_get_retune_mobile_enum,
	2550	wm8996_put_retune_mobile_enum),
	2551	};
	2552	int ret, i, j;
	2553	const char **t;
	2554
	2555	/* We need an array of texts for the enum API but the number
	2556	* of texts is likely to be less than the number of
	2557	* configurations due to the sample rate dependency of the
	2558	* configurations. */
	2559	wm8996->num_retune_mobile_texts = 0;
	2560	wm8996->retune_mobile_texts = NULL;
	2561	for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
	2562	for (j = 0; j < wm8996->num_retune_mobile_texts; j++) {
	2563	if (strcmp(pdata->retune_mobile_cfgs[i].name,
	2564	wm8996->retune_mobile_texts[j]) == 0)
	2565	break;
	2566	}
	2567
	2568	if (j != wm8996->num_retune_mobile_texts)
	2569	continue;
	2570
	2571	/* Expand the array... */
	2572	t = krealloc(wm8996->retune_mobile_texts,
	2573	sizeof(char )
	2574	(wm8996->num_retune_mobile_texts + 1),
	2575	GFP_KERNEL);
	2576	if (t == NULL)
	2577	continue;
	2578
	2579	/* ...store the new entry... */
	2580	t[wm8996->num_retune_mobile_texts] =
	2581	pdata->retune_mobile_cfgs[i].name;
	2582
	2583	/* ...and remember the new version. */
	2584	wm8996->num_retune_mobile_texts++;
	2585	wm8996->retune_mobile_texts = t;
	2586	}
	2587
	2588	dev_dbg(component->dev, "Allocated %d unique ReTune Mobile names\n",
	2589	wm8996->num_retune_mobile_texts);
	2590
	2591	wm8996->retune_mobile_enum.items = wm8996->num_retune_mobile_texts;
	2592	wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
	2593
	2594	ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls));
	2595	if (ret != 0)
	2596	dev_err(component->dev,
	2597	"Failed to add ReTune Mobile controls: %d\n", ret);
	2598	}
	2599
	2600	static const struct regmap_config wm8996_regmap = {
	2601	.reg_bits = 16,
	2602	.val_bits = 16,
	2603
	2604	.max_register = WM8996_MAX_REGISTER,
	2605	.reg_defaults = wm8996_reg,
	2606	.num_reg_defaults = ARRAY_SIZE(wm8996_reg),
	2607	.volatile_reg = wm8996_volatile_register,
	2608	.readable_reg = wm8996_readable_register,
	2609	.cache_type = REGCACHE_MAPLE,
	2610	};
	2611
	2612	static int wm8996_probe(struct snd_soc_component *component)
	2613	{
	2614	int ret;
	2615	struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
	2616	struct i2c_client *i2c = to_i2c_client(component->dev);
	2617	int irq_flags;
	2618
	2619	wm8996->component = component;
	2620
	2621	init_completion(&wm8996->dcs_done);
	2622	init_completion(&wm8996->fll_lock);
	2623
	2624	if (wm8996->pdata.num_retune_mobile_cfgs)
	2625	wm8996_retune_mobile_pdata(component);
	2626	else
	2627	snd_soc_add_component_controls(component, wm8996_eq_controls,
	2628	ARRAY_SIZE(wm8996_eq_controls));
	2629
	2630	if (i2c->irq) {
	2631	if (wm8996->pdata.irq_flags)
	2632	irq_flags = wm8996->pdata.irq_flags;
	2633	else
	2634	irq_flags = IRQF_TRIGGER_LOW;
	2635
	2636	irq_flags \|= IRQF_ONESHOT;
	2637
	2638	if (irq_flags & (IRQF_TRIGGER_RISING \| IRQF_TRIGGER_FALLING))
	2639	ret = request_threaded_irq(i2c->irq, NULL,
	2640	wm8996_edge_irq,
	2641	irq_flags, "wm8996", component);
	2642	else
	2643	ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
	2644	irq_flags, "wm8996", component);
	2645
	2646	if (ret == 0) {
	2647	/* Unmask the interrupt */
	2648	snd_soc_component_update_bits(component, WM8996_INTERRUPT_CONTROL,
	2649	WM8996_IM_IRQ, 0);
	2650
	2651	/* Enable error reporting and DC servo status */
	2652	snd_soc_component_update_bits(component,
	2653	WM8996_INTERRUPT_STATUS_2_MASK,
	2654	WM8996_IM_DCS_DONE_23_EINT \|
	2655	WM8996_IM_DCS_DONE_01_EINT \|
	2656	WM8996_IM_FLL_LOCK_EINT \|
	2657	WM8996_IM_FIFOS_ERR_EINT,
	2658	0);
	2659	} else {
	2660	dev_err(component->dev, "Failed to request IRQ: %d\n",
	2661	ret);
	2662	return ret;
	2663	}
	2664	}
	2665
	2666	return 0;
	2667	}
	2668
	2669	static void wm8996_remove(struct snd_soc_component *component)
	2670	{
	2671	struct i2c_client *i2c = to_i2c_client(component->dev);
	2672
	2673	snd_soc_component_update_bits(component, WM8996_INTERRUPT_CONTROL,
	2674	WM8996_IM_IRQ, WM8996_IM_IRQ);
	2675
	2676	if (i2c->irq)
	2677	free_irq(i2c->irq, component);
	2678	}
	2679
	2680	static const struct snd_soc_component_driver soc_component_dev_wm8996 = {
	2681	.probe = wm8996_probe,
	2682	.remove = wm8996_remove,
	2683	.set_bias_level = wm8996_set_bias_level,
	2684	.seq_notifier = wm8996_seq_notifier,
	2685	.controls = wm8996_snd_controls,
	2686	.num_controls = ARRAY_SIZE(wm8996_snd_controls),
	2687	.dapm_widgets = wm8996_dapm_widgets,
	2688	.num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets),
	2689	.dapm_routes = wm8996_dapm_routes,
	2690	.num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes),
	2691	.set_pll = wm8996_set_fll,
	2692	.use_pmdown_time = 1,
	2693	.endianness = 1,
	2694	};
	2695
	2696	#define WM8996_RATES (SNDRV_PCM_RATE_8000 \| SNDRV_PCM_RATE_16000 \|\
	2697	SNDRV_PCM_RATE_32000 \| SNDRV_PCM_RATE_44100 \|\
	2698	SNDRV_PCM_RATE_48000)
	2699	#define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 \| SNDRV_PCM_FMTBIT_S16_LE \|\
	2700	SNDRV_PCM_FMTBIT_S20_3LE \| SNDRV_PCM_FMTBIT_S24_LE \|\
	2701	SNDRV_PCM_FMTBIT_S32_LE)
	2702
	2703	static const struct snd_soc_dai_ops wm8996_dai_ops = {
	2704	.set_fmt = wm8996_set_fmt,
	2705	.hw_params = wm8996_hw_params,
	2706	.set_sysclk = wm8996_set_sysclk,
	2707	};
	2708
	2709	static struct snd_soc_dai_driver wm8996_dai[] = {
	2710	{
	2711	.name = "wm8996-aif1",
	2712	.playback = {
	2713	.stream_name = "AIF1 Playback",
	2714	.channels_min = 1,
	2715	.channels_max = 6,
	2716	.rates = WM8996_RATES,
	2717	.formats = WM8996_FORMATS,
	2718	.sig_bits = 24,
	2719	},
	2720	.capture = {
	2721	.stream_name = "AIF1 Capture",
	2722	.channels_min = 1,
	2723	.channels_max = 6,
	2724	.rates = WM8996_RATES,
	2725	.formats = WM8996_FORMATS,
	2726	.sig_bits = 24,
	2727	},
	2728	.ops = &wm8996_dai_ops,
	2729	},
	2730	{
	2731	.name = "wm8996-aif2",
	2732	.playback = {
	2733	.stream_name = "AIF2 Playback",
	2734	.channels_min = 1,
	2735	.channels_max = 2,
	2736	.rates = WM8996_RATES,
	2737	.formats = WM8996_FORMATS,
	2738	.sig_bits = 24,
	2739	},
	2740	.capture = {
	2741	.stream_name = "AIF2 Capture",
	2742	.channels_min = 1,
	2743	.channels_max = 2,
	2744	.rates = WM8996_RATES,
	2745	.formats = WM8996_FORMATS,
	2746	.sig_bits = 24,
	2747	},
	2748	.ops = &wm8996_dai_ops,
	2749	},
	2750	};
	2751
	2752	static int wm8996_i2c_probe(struct i2c_client *i2c)
	2753	{
	2754	struct wm8996_priv *wm8996;
	2755	int ret, i;
	2756	unsigned int reg;
	2757
	2758	wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv),
	2759	GFP_KERNEL);
	2760	if (wm8996 == NULL)
	2761	return -ENOMEM;
	2762
	2763	i2c_set_clientdata(i2c, wm8996);
	2764	wm8996->dev = &i2c->dev;
	2765
	2766	if (dev_get_platdata(&i2c->dev))
	2767	memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
	2768	sizeof(wm8996->pdata));
	2769
	2770	wm8996->ldo_ena = devm_gpiod_get_optional(&i2c->dev, "wlf,ldo1ena",
	2771	GPIOD_OUT_LOW);
	2772	if (IS_ERR(wm8996->ldo_ena)) {
	2773	ret = PTR_ERR(wm8996->ldo_ena);
	2774	dev_err(&i2c->dev, "Failed to request LDO ENA GPIO: %d\n",
	2775	ret);
	2776	goto err;
	2777	}
	2778	gpiod_set_consumer_name(wm8996->ldo_ena, "WM8996 ENA");
	2779
	2780	for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
	2781	wm8996->supplies[i].supply = wm8996_supply_names[i];
	2782
	2783	ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies),
	2784	wm8996->supplies);
	2785	if (ret != 0) {
	2786	dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
	2787	goto err_gpio;
	2788	}
	2789
	2790	wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0;
	2791	wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1;
	2792	wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2;
	2793
	2794	/* This should really be moved into the regulator core */
	2795	for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) {
	2796	ret = devm_regulator_register_notifier(
	2797	wm8996->supplies[i].consumer,
	2798	&wm8996->disable_nb[i]);
	2799	if (ret != 0) {
	2800	dev_err(&i2c->dev,
	2801	"Failed to register regulator notifier: %d\n",
	2802	ret);
	2803	}
	2804	}
	2805
	2806	ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
	2807	wm8996->supplies);
	2808	if (ret != 0) {
	2809	dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
	2810	goto err_gpio;
	2811	}
	2812
	2813	if (wm8996->ldo_ena) {
	2814	gpiod_set_value_cansleep(wm8996->ldo_ena, 1);
	2815	msleep(5);
	2816	}
	2817
	2818	wm8996->regmap = devm_regmap_init_i2c(i2c, &wm8996_regmap);
	2819	if (IS_ERR(wm8996->regmap)) {
	2820	ret = PTR_ERR(wm8996->regmap);
	2821	dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
	2822	goto err_enable;
	2823	}
	2824
	2825	ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, &reg);
	2826	if (ret < 0) {
	2827	dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret);
	2828	goto err_regmap;
	2829	}
	2830	if (reg != 0x8915) {
	2831	dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg);
	2832	ret = -EINVAL;
	2833	goto err_regmap;
	2834	}
	2835
	2836	ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, &reg);
	2837	if (ret < 0) {
	2838	dev_err(&i2c->dev, "Failed to read device revision: %d\n",
	2839	ret);
	2840	goto err_regmap;
	2841	}
	2842
	2843	dev_info(&i2c->dev, "revision %c\n",
	2844	(reg & WM8996_CHIP_REV_MASK) + 'A');
	2845
	2846	if (wm8996->ldo_ena) {
	2847	gpiod_set_value_cansleep(wm8996->ldo_ena, 0);
	2848	regcache_cache_only(wm8996->regmap, true);
	2849	} else {
	2850	ret = regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET,
	2851	0x8915);
	2852	if (ret != 0) {
	2853	dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
	2854	goto err_regmap;
	2855	}
	2856	}
	2857
	2858	regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
	2859
	2860	/* Apply platform data settings */
	2861	regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL,
	2862	WM8996_INL_MODE_MASK \| WM8996_INR_MODE_MASK,
	2863	wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT \|
	2864	wm8996->pdata.inr_mode);
	2865
	2866	for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
	2867	if (!wm8996->pdata.gpio_default[i])
	2868	continue;
	2869
	2870	regmap_write(wm8996->regmap, WM8996_GPIO_1 + i,
	2871	wm8996->pdata.gpio_default[i] & 0xffff);
	2872	}
	2873
	2874	if (wm8996->pdata.spkmute_seq)
	2875	regmap_update_bits(wm8996->regmap,
	2876	WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
	2877	WM8996_SPK_MUTE_ENDIAN \|
	2878	WM8996_SPK_MUTE_SEQ1_MASK,
	2879	wm8996->pdata.spkmute_seq);
	2880
	2881	regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2,
	2882	WM8996_MICD_BIAS_SRC \| WM8996_HPOUT1FB_SRC \|
	2883	WM8996_MICD_SRC, wm8996->pdata.micdet_def);
	2884
	2885	/* Latch volume update bits */
	2886	regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME,
	2887	WM8996_IN1_VU, WM8996_IN1_VU);
	2888	regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME,
	2889	WM8996_IN1_VU, WM8996_IN1_VU);
	2890
	2891	regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME,
	2892	WM8996_DAC1_VU, WM8996_DAC1_VU);
	2893	regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME,
	2894	WM8996_DAC1_VU, WM8996_DAC1_VU);
	2895	regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME,
	2896	WM8996_DAC2_VU, WM8996_DAC2_VU);
	2897	regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME,
	2898	WM8996_DAC2_VU, WM8996_DAC2_VU);
	2899
	2900	regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME,
	2901	WM8996_DAC1_VU, WM8996_DAC1_VU);
	2902	regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME,
	2903	WM8996_DAC1_VU, WM8996_DAC1_VU);
	2904	regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME,
	2905	WM8996_DAC2_VU, WM8996_DAC2_VU);
	2906	regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME,
	2907	WM8996_DAC2_VU, WM8996_DAC2_VU);
	2908
	2909	regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME,
	2910	WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
	2911	regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME,
	2912	WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
	2913	regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME,
	2914	WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
	2915	regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME,
	2916	WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
	2917
	2918	regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME,
	2919	WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
	2920	regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME,
	2921	WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
	2922	regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME,
	2923	WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
	2924	regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME,
	2925	WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
	2926
	2927	/* No support currently for the underclocked TDM modes and
	2928	* pick a default TDM layout with each channel pair working with
	2929	* slots 0 and 1. */
	2930	regmap_update_bits(wm8996->regmap,
	2931	WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
	2932	WM8996_AIF1RX_CHAN0_SLOTS_MASK \|
	2933	WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
	2934	1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT \| 0);
	2935	regmap_update_bits(wm8996->regmap,
	2936	WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
	2937	WM8996_AIF1RX_CHAN1_SLOTS_MASK \|
	2938	WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
	2939	1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT \| 1);
	2940	regmap_update_bits(wm8996->regmap,
	2941	WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
	2942	WM8996_AIF1RX_CHAN2_SLOTS_MASK \|
	2943	WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
	2944	1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT \| 0);
	2945	regmap_update_bits(wm8996->regmap,
	2946	WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
	2947	WM8996_AIF1RX_CHAN3_SLOTS_MASK \|
	2948	WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
	2949	1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT \| 1);
	2950	regmap_update_bits(wm8996->regmap,
	2951	WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
	2952	WM8996_AIF1RX_CHAN4_SLOTS_MASK \|
	2953	WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
	2954	1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT \| 0);
	2955	regmap_update_bits(wm8996->regmap,
	2956	WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
	2957	WM8996_AIF1RX_CHAN5_SLOTS_MASK \|
	2958	WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
	2959	1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT \| 1);
	2960
	2961	regmap_update_bits(wm8996->regmap,
	2962	WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
	2963	WM8996_AIF2RX_CHAN0_SLOTS_MASK \|
	2964	WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
	2965	1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT \| 0);
	2966	regmap_update_bits(wm8996->regmap,
	2967	WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
	2968	WM8996_AIF2RX_CHAN1_SLOTS_MASK \|
	2969	WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
	2970	1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT \| 1);
	2971
	2972	regmap_update_bits(wm8996->regmap,
	2973	WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
	2974	WM8996_AIF1TX_CHAN0_SLOTS_MASK \|
	2975	WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
	2976	1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT \| 0);
	2977	regmap_update_bits(wm8996->regmap,
	2978	WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
	2979	WM8996_AIF1TX_CHAN1_SLOTS_MASK \|
	2980	WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
	2981	1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT \| 1);
	2982	regmap_update_bits(wm8996->regmap,
	2983	WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
	2984	WM8996_AIF1TX_CHAN2_SLOTS_MASK \|
	2985	WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
	2986	1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT \| 0);
	2987	regmap_update_bits(wm8996->regmap,
	2988	WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
	2989	WM8996_AIF1TX_CHAN3_SLOTS_MASK \|
	2990	WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
	2991	1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT \| 1);
	2992	regmap_update_bits(wm8996->regmap,
	2993	WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
	2994	WM8996_AIF1TX_CHAN4_SLOTS_MASK \|
	2995	WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
	2996	1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT \| 0);
	2997	regmap_update_bits(wm8996->regmap,
	2998	WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
	2999	WM8996_AIF1TX_CHAN5_SLOTS_MASK \|
	3000	WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
	3001	1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT \| 1);
	3002
	3003	regmap_update_bits(wm8996->regmap,
	3004	WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
	3005	WM8996_AIF2TX_CHAN0_SLOTS_MASK \|
	3006	WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
	3007	1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT \| 0);
	3008	regmap_update_bits(wm8996->regmap,
	3009	WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
	3010	WM8996_AIF2TX_CHAN1_SLOTS_MASK \|
	3011	WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
	3012	1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT \| 1);
	3013
	3014	/* If the TX LRCLK pins are not in LRCLK mode configure the
	3015	* AIFs to source their clocks from the RX LRCLKs.
	3016	*/
	3017	ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, &reg);
	3018	if (ret != 0) {
	3019	dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret);
	3020	goto err_regmap;
	3021	}
	3022
	3023	if (reg & WM8996_GP1_FN_MASK)
	3024	regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2,
	3025	WM8996_AIF1TX_LRCLK_MODE,
	3026	WM8996_AIF1TX_LRCLK_MODE);
	3027
	3028	ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, &reg);
	3029	if (ret != 0) {
	3030	dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret);
	3031	goto err_regmap;
	3032	}
	3033
	3034	if (reg & WM8996_GP2_FN_MASK)
	3035	regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2,
	3036	WM8996_AIF2TX_LRCLK_MODE,
	3037	WM8996_AIF2TX_LRCLK_MODE);
	3038
	3039	wm8996_init_gpio(wm8996);
	3040
	3041	ret = devm_snd_soc_register_component(&i2c->dev,
	3042	&soc_component_dev_wm8996, wm8996_dai,
	3043	ARRAY_SIZE(wm8996_dai));
	3044	if (ret < 0)
	3045	goto err_gpiolib;
	3046
	3047	return ret;
	3048
	3049	err_gpiolib:
	3050	wm8996_free_gpio(wm8996);
	3051	err_regmap:
	3052	err_enable:
	3053	if (wm8996->ldo_ena)
	3054	gpiod_set_value_cansleep(wm8996->ldo_ena, 0);
	3055	regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
	3056	err_gpio:
	3057	err:
	3058
	3059	return ret;
	3060	}
	3061
	3062	static void wm8996_i2c_remove(struct i2c_client *client)
	3063	{
	3064	struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
	3065
	3066	wm8996_free_gpio(wm8996);
	3067	if (wm8996->ldo_ena)
	3068	gpiod_set_value_cansleep(wm8996->ldo_ena, 0);
	3069	}
	3070
	3071	static const struct i2c_device_id wm8996_i2c_id[] = {
	3072	{ "wm8996" },
	3073	{ }
	3074	};
	3075	MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id);
	3076
	3077	static struct i2c_driver wm8996_i2c_driver = {
	3078	.driver = {
	3079	.name = "wm8996",
	3080	},
	3081	.probe = wm8996_i2c_probe,
	3082	.remove = wm8996_i2c_remove,
	3083	.id_table = wm8996_i2c_id,
	3084	};
	3085
	3086	module_i2c_driver(wm8996_i2c_driver);
	3087
	3088	MODULE_DESCRIPTION("ASoC WM8996 driver");
	3089	MODULE_AUTHOR("Mark Brown <[email protected]>");
	3090	MODULE_LICENSE("GPL");