xref: /linux/sound/soc/codecs/wcd937x.c (revision a6021aa24f6417416d93318bbfa022ab229c33c8)
1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2023-2024 Qualcomm Innovation Center, Inc. All rights reserved.
3 
4 #include <linux/component.h>
5 #include <linux/delay.h>
6 #include <linux/device.h>
7 #include <linux/gpio/consumer.h>
8 #include <linux/kernel.h>
9 #include <linux/module.h>
10 #include <linux/of_gpio.h>
11 #include <linux/of.h>
12 #include <linux/platform_device.h>
13 #include <linux/pm_runtime.h>
14 #include <linux/regmap.h>
15 #include <linux/regulator/consumer.h>
16 #include <linux/slab.h>
17 #include <sound/jack.h>
18 #include <sound/pcm_params.h>
19 #include <sound/pcm.h>
20 #include <sound/soc-dapm.h>
21 #include <sound/soc.h>
22 #include <sound/tlv.h>
23 
24 #include "wcd-clsh-v2.h"
25 #include "wcd-mbhc-v2.h"
26 #include "wcd937x.h"
27 
28 enum {
29 	CHIPID_WCD9370 = 0,
30 	CHIPID_WCD9375 = 5,
31 };
32 
33 /* Z value defined in milliohm */
34 #define WCD937X_ZDET_VAL_32		(32000)
35 #define WCD937X_ZDET_VAL_400		(400000)
36 #define WCD937X_ZDET_VAL_1200		(1200000)
37 #define WCD937X_ZDET_VAL_100K		(100000000)
38 /* Z floating defined in ohms */
39 #define WCD937X_ZDET_FLOATING_IMPEDANCE	(0x0FFFFFFE)
40 #define WCD937X_ZDET_NUM_MEASUREMENTS	(900)
41 #define WCD937X_MBHC_GET_C1(c)		(((c) & 0xC000) >> 14)
42 #define WCD937X_MBHC_GET_X1(x)		((x) & 0x3FFF)
43 /* Z value compared in milliOhm */
44 #define WCD937X_MBHC_IS_SECOND_RAMP_REQUIRED(z)	(((z) > 400000) || ((z) < 32000))
45 #define WCD937X_MBHC_ZDET_CONST		(86 * 16384)
46 #define WCD937X_MBHC_MOISTURE_RREF	R_24_KOHM
47 #define WCD_MBHC_HS_V_MAX		1600
48 #define EAR_RX_PATH_AUX			1
49 #define WCD937X_MBHC_MAX_BUTTONS	8
50 
51 #define WCD937X_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
52 		       SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\
53 		       SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000 |\
54 		       SNDRV_PCM_RATE_384000)
55 
56 /* Fractional Rates */
57 #define WCD937X_FRAC_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_88200 |\
58 			    SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_352800)
59 
60 #define WCD937X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |\
61 			 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
62 
63 enum {
64 	ALLOW_BUCK_DISABLE,
65 	HPH_COMP_DELAY,
66 	HPH_PA_DELAY,
67 	AMIC2_BCS_ENABLE,
68 };
69 
70 enum {
71 	AIF1_PB = 0,
72 	AIF1_CAP,
73 	NUM_CODEC_DAIS,
74 };
75 
76 struct wcd937x_priv {
77 	struct sdw_slave *tx_sdw_dev;
78 	struct wcd937x_sdw_priv *sdw_priv[NUM_CODEC_DAIS];
79 	struct device *txdev;
80 	struct device *rxdev;
81 	struct device_node *rxnode;
82 	struct device_node *txnode;
83 	struct regmap *regmap;
84 	/* micb setup lock */
85 	struct mutex micb_lock;
86 	/* mbhc module */
87 	struct wcd_mbhc *wcd_mbhc;
88 	struct wcd_mbhc_config mbhc_cfg;
89 	struct wcd_mbhc_intr intr_ids;
90 	struct wcd_clsh_ctrl *clsh_info;
91 	struct irq_domain *virq;
92 	struct regmap_irq_chip *wcd_regmap_irq_chip;
93 	struct regmap_irq_chip_data *irq_chip;
94 	struct regulator_bulk_data supplies[WCD937X_MAX_BULK_SUPPLY];
95 	struct regulator *buck_supply;
96 	struct snd_soc_jack *jack;
97 	unsigned long status_mask;
98 	s32 micb_ref[WCD937X_MAX_MICBIAS];
99 	s32 pullup_ref[WCD937X_MAX_MICBIAS];
100 	u32 hph_mode;
101 	int ear_rx_path;
102 	u32 micb1_mv;
103 	u32 micb2_mv;
104 	u32 micb3_mv;
105 	int hphr_pdm_wd_int;
106 	int hphl_pdm_wd_int;
107 	int aux_pdm_wd_int;
108 	bool comp1_enable;
109 	bool comp2_enable;
110 
111 	struct gpio_desc *us_euro_gpio;
112 	struct gpio_desc *reset_gpio;
113 
114 	atomic_t rx_clk_cnt;
115 	atomic_t ana_clk_count;
116 };
117 
118 static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(ear_pa_gain, 600, -1800);
119 static const DECLARE_TLV_DB_SCALE(line_gain, 0, 7, 1);
120 static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 25, 1);
121 
122 struct wcd937x_mbhc_zdet_param {
123 	u16 ldo_ctl;
124 	u16 noff;
125 	u16 nshift;
126 	u16 btn5;
127 	u16 btn6;
128 	u16 btn7;
129 };
130 
131 static const struct wcd_mbhc_field wcd_mbhc_fields[WCD_MBHC_REG_FUNC_MAX] = {
132 	WCD_MBHC_FIELD(WCD_MBHC_L_DET_EN, WCD937X_ANA_MBHC_MECH, 0x80),
133 	WCD_MBHC_FIELD(WCD_MBHC_GND_DET_EN, WCD937X_ANA_MBHC_MECH, 0x40),
134 	WCD_MBHC_FIELD(WCD_MBHC_MECH_DETECTION_TYPE, WCD937X_ANA_MBHC_MECH, 0x20),
135 	WCD_MBHC_FIELD(WCD_MBHC_MIC_CLAMP_CTL, WCD937X_MBHC_NEW_PLUG_DETECT_CTL, 0x30),
136 	WCD_MBHC_FIELD(WCD_MBHC_ELECT_DETECTION_TYPE, WCD937X_ANA_MBHC_ELECT, 0x08),
137 	WCD_MBHC_FIELD(WCD_MBHC_HS_L_DET_PULL_UP_CTRL, WCD937X_MBHC_NEW_INT_MECH_DET_CURRENT, 0x1F),
138 	WCD_MBHC_FIELD(WCD_MBHC_HS_L_DET_PULL_UP_COMP_CTRL, WCD937X_ANA_MBHC_MECH, 0x04),
139 	WCD_MBHC_FIELD(WCD_MBHC_HPHL_PLUG_TYPE, WCD937X_ANA_MBHC_MECH, 0x10),
140 	WCD_MBHC_FIELD(WCD_MBHC_GND_PLUG_TYPE, WCD937X_ANA_MBHC_MECH, 0x08),
141 	WCD_MBHC_FIELD(WCD_MBHC_SW_HPH_LP_100K_TO_GND, WCD937X_ANA_MBHC_MECH, 0x01),
142 	WCD_MBHC_FIELD(WCD_MBHC_ELECT_SCHMT_ISRC, WCD937X_ANA_MBHC_ELECT, 0x06),
143 	WCD_MBHC_FIELD(WCD_MBHC_FSM_EN, WCD937X_ANA_MBHC_ELECT, 0x80),
144 	WCD_MBHC_FIELD(WCD_MBHC_INSREM_DBNC, WCD937X_MBHC_NEW_PLUG_DETECT_CTL, 0x0F),
145 	WCD_MBHC_FIELD(WCD_MBHC_BTN_DBNC, WCD937X_MBHC_NEW_CTL_1, 0x03),
146 	WCD_MBHC_FIELD(WCD_MBHC_HS_VREF, WCD937X_MBHC_NEW_CTL_2, 0x03),
147 	WCD_MBHC_FIELD(WCD_MBHC_HS_COMP_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x08),
148 	WCD_MBHC_FIELD(WCD_MBHC_IN2P_CLAMP_STATE, WCD937X_ANA_MBHC_RESULT_3, 0x10),
149 	WCD_MBHC_FIELD(WCD_MBHC_MIC_SCHMT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x20),
150 	WCD_MBHC_FIELD(WCD_MBHC_HPHL_SCHMT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x80),
151 	WCD_MBHC_FIELD(WCD_MBHC_HPHR_SCHMT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x40),
152 	WCD_MBHC_FIELD(WCD_MBHC_OCP_FSM_EN, WCD937X_HPH_OCP_CTL, 0x10),
153 	WCD_MBHC_FIELD(WCD_MBHC_BTN_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x07),
154 	WCD_MBHC_FIELD(WCD_MBHC_BTN_ISRC_CTL, WCD937X_ANA_MBHC_ELECT, 0x70),
155 	WCD_MBHC_FIELD(WCD_MBHC_ELECT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0xFF),
156 	WCD_MBHC_FIELD(WCD_MBHC_MICB_CTRL, WCD937X_ANA_MICB2, 0xC0),
157 	WCD_MBHC_FIELD(WCD_MBHC_HPH_CNP_WG_TIME, WCD937X_HPH_CNP_WG_TIME, 0xFF),
158 	WCD_MBHC_FIELD(WCD_MBHC_HPHR_PA_EN, WCD937X_ANA_HPH, 0x40),
159 	WCD_MBHC_FIELD(WCD_MBHC_HPHL_PA_EN, WCD937X_ANA_HPH, 0x80),
160 	WCD_MBHC_FIELD(WCD_MBHC_HPH_PA_EN, WCD937X_ANA_HPH, 0xC0),
161 	WCD_MBHC_FIELD(WCD_MBHC_SWCH_LEVEL_REMOVE, WCD937X_ANA_MBHC_RESULT_3, 0x10),
162 	WCD_MBHC_FIELD(WCD_MBHC_ANC_DET_EN, WCD937X_MBHC_CTL_BCS, 0x02),
163 	WCD_MBHC_FIELD(WCD_MBHC_FSM_STATUS, WCD937X_MBHC_NEW_FSM_STATUS, 0x01),
164 	WCD_MBHC_FIELD(WCD_MBHC_MUX_CTL, WCD937X_MBHC_NEW_CTL_2, 0x70),
165 	WCD_MBHC_FIELD(WCD_MBHC_MOISTURE_STATUS, WCD937X_MBHC_NEW_FSM_STATUS, 0x20),
166 	WCD_MBHC_FIELD(WCD_MBHC_HPHR_GND, WCD937X_HPH_PA_CTL2, 0x40),
167 	WCD_MBHC_FIELD(WCD_MBHC_HPHL_GND, WCD937X_HPH_PA_CTL2, 0x10),
168 	WCD_MBHC_FIELD(WCD_MBHC_HPHL_OCP_DET_EN, WCD937X_HPH_L_TEST, 0x01),
169 	WCD_MBHC_FIELD(WCD_MBHC_HPHR_OCP_DET_EN, WCD937X_HPH_R_TEST, 0x01),
170 	WCD_MBHC_FIELD(WCD_MBHC_HPHL_OCP_STATUS, WCD937X_DIGITAL_INTR_STATUS_0, 0x80),
171 	WCD_MBHC_FIELD(WCD_MBHC_HPHR_OCP_STATUS, WCD937X_DIGITAL_INTR_STATUS_0, 0x20),
172 	WCD_MBHC_FIELD(WCD_MBHC_ADC_EN, WCD937X_MBHC_NEW_CTL_1, 0x08),
173 	WCD_MBHC_FIELD(WCD_MBHC_ADC_COMPLETE, WCD937X_MBHC_NEW_FSM_STATUS, 0x40),
174 	WCD_MBHC_FIELD(WCD_MBHC_ADC_TIMEOUT, WCD937X_MBHC_NEW_FSM_STATUS, 0x80),
175 	WCD_MBHC_FIELD(WCD_MBHC_ADC_RESULT, WCD937X_MBHC_NEW_ADC_RESULT, 0xFF),
176 	WCD_MBHC_FIELD(WCD_MBHC_MICB2_VOUT, WCD937X_ANA_MICB2, 0x3F),
177 	WCD_MBHC_FIELD(WCD_MBHC_ADC_MODE, WCD937X_MBHC_NEW_CTL_1, 0x10),
178 	WCD_MBHC_FIELD(WCD_MBHC_DETECTION_DONE, WCD937X_MBHC_NEW_CTL_1, 0x04),
179 	WCD_MBHC_FIELD(WCD_MBHC_ELECT_ISRC_EN, WCD937X_ANA_MBHC_ZDET, 0x02),
180 };
181 
182 static const struct regmap_irq wcd937x_irqs[WCD937X_NUM_IRQS] = {
183 	REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_BUTTON_PRESS_DET, 0, BIT(0)),
184 	REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_BUTTON_RELEASE_DET, 0, BIT(1)),
185 	REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_ELECT_INS_REM_DET, 0, BIT(2)),
186 	REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_ELECT_INS_REM_LEG_DET, 0, BIT(3)),
187 	REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_SW_DET, 0, BIT(4)),
188 	REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_OCP_INT, 0, BIT(5)),
189 	REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_CNP_INT, 0, BIT(6)),
190 	REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_OCP_INT, 0, BIT(7)),
191 	REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_CNP_INT, 1, BIT(0)),
192 	REGMAP_IRQ_REG(WCD937X_IRQ_EAR_CNP_INT, 1, BIT(1)),
193 	REGMAP_IRQ_REG(WCD937X_IRQ_EAR_SCD_INT, 1, BIT(2)),
194 	REGMAP_IRQ_REG(WCD937X_IRQ_AUX_CNP_INT, 1, BIT(3)),
195 	REGMAP_IRQ_REG(WCD937X_IRQ_AUX_SCD_INT, 1, BIT(4)),
196 	REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_PDM_WD_INT, 1, BIT(5)),
197 	REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_PDM_WD_INT, 1, BIT(6)),
198 	REGMAP_IRQ_REG(WCD937X_IRQ_AUX_PDM_WD_INT, 1, BIT(7)),
199 	REGMAP_IRQ_REG(WCD937X_IRQ_LDORT_SCD_INT, 2, BIT(0)),
200 	REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_MOISTURE_INT, 2, BIT(1)),
201 	REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_SURGE_DET_INT, 2, BIT(2)),
202 	REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_SURGE_DET_INT, 2, BIT(3)),
203 };
204 
205 static int wcd937x_handle_post_irq(void *data)
206 {
207 	struct wcd937x_priv *wcd937x;
208 
209 	if (data)
210 		wcd937x = (struct wcd937x_priv *)data;
211 	else
212 		return IRQ_HANDLED;
213 
214 	regmap_write(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_0, 0);
215 	regmap_write(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_1, 0);
216 	regmap_write(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_2, 0);
217 
218 	return IRQ_HANDLED;
219 }
220 
221 static const u32 wcd937x_config_regs[] = {
222 	WCD937X_DIGITAL_INTR_LEVEL_0,
223 };
224 
225 static const struct regmap_irq_chip wcd937x_regmap_irq_chip = {
226 	.name = "wcd937x",
227 	.irqs = wcd937x_irqs,
228 	.num_irqs = ARRAY_SIZE(wcd937x_irqs),
229 	.num_regs = 3,
230 	.status_base = WCD937X_DIGITAL_INTR_STATUS_0,
231 	.mask_base = WCD937X_DIGITAL_INTR_MASK_0,
232 	.ack_base = WCD937X_DIGITAL_INTR_CLEAR_0,
233 	.use_ack = 1,
234 	.clear_ack = 1,
235 	.config_base = wcd937x_config_regs,
236 	.num_config_bases = ARRAY_SIZE(wcd937x_config_regs),
237 	.num_config_regs = 1,
238 	.runtime_pm = true,
239 	.handle_post_irq = wcd937x_handle_post_irq,
240 	.irq_drv_data = NULL,
241 };
242 
243 static void wcd937x_reset(struct wcd937x_priv *wcd937x)
244 {
245 	gpiod_set_value(wcd937x->reset_gpio, 1);
246 	usleep_range(20, 30);
247 	gpiod_set_value(wcd937x->reset_gpio, 0);
248 	usleep_range(20, 30);
249 }
250 
251 static void wcd937x_io_init(struct regmap *regmap)
252 {
253 	u32 val = 0, temp = 0, temp1 = 0;
254 
255 	regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_29, &val);
256 
257 	val = val & 0x0F;
258 
259 	regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_16, &temp);
260 	regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_17, &temp1);
261 
262 	if (temp == 0x02 || temp1 > 0x09)
263 		regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x0E, val);
264 	else
265 		regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x0e, 0x0e);
266 
267 	regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x80, 0x80);
268 	usleep_range(1000, 1010);
269 
270 	regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x40, 0x40);
271 	usleep_range(1000, 1010);
272 
273 	regmap_update_bits(regmap, WCD937X_LDORXTX_CONFIG, BIT(4), 0x00);
274 	regmap_update_bits(regmap, WCD937X_BIAS_VBG_FINE_ADJ, 0xf0, BIT(7));
275 	regmap_update_bits(regmap, WCD937X_ANA_BIAS, BIT(7), BIT(7));
276 	regmap_update_bits(regmap, WCD937X_ANA_BIAS, BIT(6), BIT(6));
277 	usleep_range(10000, 10010);
278 
279 	regmap_update_bits(regmap, WCD937X_ANA_BIAS, BIT(6), 0x00);
280 	regmap_update_bits(regmap, WCD937X_HPH_SURGE_HPHLR_SURGE_EN, 0xff, 0xd9);
281 	regmap_update_bits(regmap, WCD937X_MICB1_TEST_CTL_1, 0xff, 0xfa);
282 	regmap_update_bits(regmap, WCD937X_MICB2_TEST_CTL_1, 0xff, 0xfa);
283 	regmap_update_bits(regmap, WCD937X_MICB3_TEST_CTL_1, 0xff, 0xfa);
284 
285 	regmap_update_bits(regmap, WCD937X_MICB1_TEST_CTL_2, 0x38, 0x00);
286 	regmap_update_bits(regmap, WCD937X_MICB2_TEST_CTL_2, 0x38, 0x00);
287 	regmap_update_bits(regmap, WCD937X_MICB3_TEST_CTL_2, 0x38, 0x00);
288 
289 	/* Set Bandgap Fine Adjustment to +5mV for Tanggu SMIC part */
290 	regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_16, &val);
291 	if (val == 0x01) {
292 		regmap_update_bits(regmap, WCD937X_BIAS_VBG_FINE_ADJ, 0xF0, 0xB0);
293 	} else if (val == 0x02) {
294 		regmap_update_bits(regmap, WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 0x1F, 0x04);
295 		regmap_update_bits(regmap, WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R, 0x1F, 0x04);
296 		regmap_update_bits(regmap, WCD937X_BIAS_VBG_FINE_ADJ, 0xF0, 0xB0);
297 		regmap_update_bits(regmap, WCD937X_HPH_NEW_INT_RDAC_GAIN_CTL, 0xF0, 0x50);
298 	}
299 }
300 
301 static int wcd937x_rx_clk_enable(struct snd_soc_component *component)
302 {
303 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
304 
305 	if (atomic_read(&wcd937x->rx_clk_cnt))
306 		return 0;
307 
308 	snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(3), BIT(3));
309 	snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(0), BIT(0));
310 	snd_soc_component_update_bits(component, WCD937X_ANA_RX_SUPPLIES, BIT(0), BIT(0));
311 	snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_RX0_CTL, BIT(6), 0x00);
312 	snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_RX1_CTL, BIT(6), 0x00);
313 	snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_RX2_CTL, BIT(6), 0x00);
314 	snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(1), BIT(1));
315 
316 	atomic_inc(&wcd937x->rx_clk_cnt);
317 
318 	return 0;
319 }
320 
321 static int wcd937x_rx_clk_disable(struct snd_soc_component *component)
322 {
323 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
324 
325 	if (!atomic_read(&wcd937x->rx_clk_cnt)) {
326 		dev_err(component->dev, "clk already disabled\n");
327 		return 0;
328 	}
329 
330 	atomic_dec(&wcd937x->rx_clk_cnt);
331 
332 	snd_soc_component_update_bits(component, WCD937X_ANA_RX_SUPPLIES, BIT(0), 0x00);
333 	snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(1), 0x00);
334 	snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(0), 0x00);
335 
336 	return 0;
337 }
338 
339 static int wcd937x_codec_hphl_dac_event(struct snd_soc_dapm_widget *w,
340 					struct snd_kcontrol *kcontrol,
341 					int event)
342 {
343 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
344 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
345 	int hph_mode = wcd937x->hph_mode;
346 
347 	switch (event) {
348 	case SND_SOC_DAPM_PRE_PMU:
349 		wcd937x_rx_clk_enable(component);
350 		snd_soc_component_update_bits(component,
351 					      WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
352 					      BIT(0), BIT(0));
353 		snd_soc_component_update_bits(component,
354 					      WCD937X_DIGITAL_CDC_HPH_GAIN_CTL,
355 					      BIT(2), BIT(2));
356 		snd_soc_component_update_bits(component,
357 					      WCD937X_HPH_RDAC_CLK_CTL1,
358 					      BIT(7), 0x00);
359 		set_bit(HPH_COMP_DELAY, &wcd937x->status_mask);
360 		break;
361 	case SND_SOC_DAPM_POST_PMU:
362 		if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_HIFI)
363 			snd_soc_component_update_bits(component,
364 						      WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L,
365 						      0x0f, BIT(1));
366 		else if (hph_mode == CLS_H_LOHIFI)
367 			snd_soc_component_update_bits(component,
368 						      WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L,
369 						      0x0f, 0x06);
370 
371 		if (wcd937x->comp1_enable) {
372 			snd_soc_component_update_bits(component,
373 						      WCD937X_DIGITAL_CDC_COMP_CTL_0,
374 						      BIT(1), BIT(1));
375 			snd_soc_component_update_bits(component,
376 						      WCD937X_HPH_L_EN,
377 						      BIT(5), 0x00);
378 
379 			if (wcd937x->comp2_enable) {
380 				snd_soc_component_update_bits(component,
381 							      WCD937X_DIGITAL_CDC_COMP_CTL_0,
382 							      BIT(0), BIT(0));
383 				snd_soc_component_update_bits(component,
384 							      WCD937X_HPH_R_EN, BIT(5), 0x00);
385 			}
386 
387 			if (test_bit(HPH_COMP_DELAY, &wcd937x->status_mask)) {
388 				usleep_range(5000, 5110);
389 				clear_bit(HPH_COMP_DELAY, &wcd937x->status_mask);
390 			}
391 		} else {
392 			snd_soc_component_update_bits(component,
393 						      WCD937X_DIGITAL_CDC_COMP_CTL_0,
394 						      BIT(1), 0x00);
395 			snd_soc_component_update_bits(component,
396 						      WCD937X_HPH_L_EN,
397 						      BIT(5), BIT(5));
398 		}
399 
400 		snd_soc_component_update_bits(component,
401 					      WCD937X_HPH_NEW_INT_HPH_TIMER1,
402 					      BIT(1), 0x00);
403 		break;
404 	case SND_SOC_DAPM_POST_PMD:
405 		snd_soc_component_update_bits(component,
406 					      WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L,
407 					      0x0f, BIT(0));
408 		break;
409 	}
410 
411 	return 0;
412 }
413 
414 static int wcd937x_codec_hphr_dac_event(struct snd_soc_dapm_widget *w,
415 					struct snd_kcontrol *kcontrol,
416 					int event)
417 {
418 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
419 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
420 	int hph_mode = wcd937x->hph_mode;
421 
422 	switch (event) {
423 	case SND_SOC_DAPM_PRE_PMU:
424 		wcd937x_rx_clk_enable(component);
425 		snd_soc_component_update_bits(component,
426 					      WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(1), BIT(1));
427 		snd_soc_component_update_bits(component,
428 					      WCD937X_DIGITAL_CDC_HPH_GAIN_CTL, BIT(3), BIT(3));
429 		snd_soc_component_update_bits(component,
430 					      WCD937X_HPH_RDAC_CLK_CTL1, BIT(7), 0x00);
431 		set_bit(HPH_COMP_DELAY, &wcd937x->status_mask);
432 		break;
433 	case SND_SOC_DAPM_POST_PMU:
434 		if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_HIFI)
435 			snd_soc_component_update_bits(component,
436 						      WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R,
437 						      0x0f, BIT(1));
438 		else if (hph_mode == CLS_H_LOHIFI)
439 			snd_soc_component_update_bits(component,
440 						      WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R,
441 						      0x0f, 0x06);
442 		if (wcd937x->comp2_enable) {
443 			snd_soc_component_update_bits(component,
444 						      WCD937X_DIGITAL_CDC_COMP_CTL_0,
445 						      BIT(0), BIT(0));
446 			snd_soc_component_update_bits(component,
447 						      WCD937X_HPH_R_EN, BIT(5), 0x00);
448 			if (wcd937x->comp1_enable) {
449 				snd_soc_component_update_bits(component,
450 							      WCD937X_DIGITAL_CDC_COMP_CTL_0,
451 							      BIT(1), BIT(1));
452 				snd_soc_component_update_bits(component,
453 							      WCD937X_HPH_L_EN,
454 							      BIT(5), 0x00);
455 			}
456 
457 			if (test_bit(HPH_COMP_DELAY, &wcd937x->status_mask)) {
458 				usleep_range(5000, 5110);
459 				clear_bit(HPH_COMP_DELAY, &wcd937x->status_mask);
460 			}
461 		} else {
462 			snd_soc_component_update_bits(component,
463 						      WCD937X_DIGITAL_CDC_COMP_CTL_0,
464 						      BIT(0), 0x00);
465 			snd_soc_component_update_bits(component,
466 						      WCD937X_HPH_R_EN,
467 						      BIT(5), BIT(5));
468 		}
469 		snd_soc_component_update_bits(component,
470 					      WCD937X_HPH_NEW_INT_HPH_TIMER1,
471 					      BIT(1), 0x00);
472 		break;
473 	case SND_SOC_DAPM_POST_PMD:
474 		snd_soc_component_update_bits(component,
475 					      WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R,
476 					      0x0f, BIT(0));
477 		break;
478 	}
479 
480 	return 0;
481 }
482 
483 static int wcd937x_codec_ear_dac_event(struct snd_soc_dapm_widget *w,
484 				       struct snd_kcontrol *kcontrol,
485 				       int event)
486 {
487 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
488 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
489 	int hph_mode = wcd937x->hph_mode;
490 
491 	switch (event) {
492 	case SND_SOC_DAPM_PRE_PMU:
493 		wcd937x_rx_clk_enable(component);
494 		snd_soc_component_update_bits(component,
495 					      WCD937X_DIGITAL_CDC_HPH_GAIN_CTL,
496 					      BIT(2), BIT(2));
497 		snd_soc_component_update_bits(component,
498 					      WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
499 					      BIT(0), BIT(0));
500 
501 		if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_HIFI)
502 			snd_soc_component_update_bits(component,
503 						      WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L,
504 						      0x0f, BIT(1));
505 		else if (hph_mode == CLS_H_LOHIFI)
506 			snd_soc_component_update_bits(component,
507 						      WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L,
508 						      0x0f, 0x06);
509 		if (wcd937x->comp1_enable)
510 			snd_soc_component_update_bits(component,
511 						      WCD937X_DIGITAL_CDC_COMP_CTL_0,
512 						      BIT(1), BIT(1));
513 		usleep_range(5000, 5010);
514 
515 		snd_soc_component_update_bits(component, WCD937X_FLYBACK_EN, BIT(2), 0x00);
516 		wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
517 					WCD_CLSH_EVENT_PRE_DAC,
518 					WCD_CLSH_STATE_EAR,
519 					hph_mode);
520 
521 		break;
522 	case SND_SOC_DAPM_POST_PMD:
523 		if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_LOHIFI ||
524 		    hph_mode == CLS_H_HIFI)
525 			snd_soc_component_update_bits(component,
526 						      WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L,
527 						      0x0f, BIT(0));
528 		if (wcd937x->comp1_enable)
529 			snd_soc_component_update_bits(component,
530 						      WCD937X_DIGITAL_CDC_COMP_CTL_0,
531 						      BIT(1), 0x00);
532 		break;
533 	}
534 
535 	return 0;
536 }
537 
538 static int wcd937x_codec_aux_dac_event(struct snd_soc_dapm_widget *w,
539 				       struct snd_kcontrol *kcontrol,
540 				       int event)
541 {
542 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
543 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
544 	int hph_mode = wcd937x->hph_mode;
545 
546 	switch (event) {
547 	case SND_SOC_DAPM_PRE_PMU:
548 		wcd937x_rx_clk_enable(component);
549 		snd_soc_component_update_bits(component,
550 					      WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
551 					      BIT(2), BIT(2));
552 		snd_soc_component_update_bits(component,
553 					      WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
554 					      BIT(2), BIT(2));
555 		snd_soc_component_update_bits(component,
556 					      WCD937X_DIGITAL_CDC_AUX_GAIN_CTL,
557 					      BIT(0), BIT(0));
558 		wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
559 					WCD_CLSH_EVENT_PRE_DAC,
560 					WCD_CLSH_STATE_AUX,
561 					hph_mode);
562 
563 		break;
564 	case SND_SOC_DAPM_POST_PMD:
565 		snd_soc_component_update_bits(component,
566 					      WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
567 					      BIT(2), 0x00);
568 		break;
569 	}
570 
571 	return 0;
572 }
573 
574 static int wcd937x_codec_enable_hphr_pa(struct snd_soc_dapm_widget *w,
575 					struct snd_kcontrol *kcontrol,
576 					int event)
577 {
578 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
579 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
580 	int hph_mode = wcd937x->hph_mode;
581 
582 	switch (event) {
583 	case SND_SOC_DAPM_PRE_PMU:
584 		wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
585 					WCD_CLSH_EVENT_PRE_DAC,
586 					WCD_CLSH_STATE_HPHR,
587 					hph_mode);
588 		snd_soc_component_update_bits(component, WCD937X_ANA_HPH,
589 					      BIT(4), BIT(4));
590 		usleep_range(100, 110);
591 		set_bit(HPH_PA_DELAY, &wcd937x->status_mask);
592 		snd_soc_component_update_bits(component,
593 					      WCD937X_DIGITAL_PDM_WD_CTL1,
594 					      0x07, 0x03);
595 		break;
596 	case SND_SOC_DAPM_POST_PMU:
597 		if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) {
598 			if (wcd937x->comp2_enable)
599 				usleep_range(7000, 7100);
600 			else
601 				usleep_range(20000, 20100);
602 			clear_bit(HPH_PA_DELAY, &wcd937x->status_mask);
603 		}
604 
605 		snd_soc_component_update_bits(component,
606 					      WCD937X_HPH_NEW_INT_HPH_TIMER1,
607 					      BIT(1), BIT(1));
608 		if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI)
609 			snd_soc_component_update_bits(component,
610 						      WCD937X_ANA_RX_SUPPLIES,
611 						      BIT(1), BIT(1));
612 		enable_irq(wcd937x->hphr_pdm_wd_int);
613 		break;
614 	case SND_SOC_DAPM_PRE_PMD:
615 		disable_irq_nosync(wcd937x->hphr_pdm_wd_int);
616 		set_bit(HPH_PA_DELAY, &wcd937x->status_mask);
617 		wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_PRE_HPHR_PA_OFF);
618 		break;
619 	case SND_SOC_DAPM_POST_PMD:
620 		if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) {
621 			if (wcd937x->comp2_enable)
622 				usleep_range(7000, 7100);
623 			else
624 				usleep_range(20000, 20100);
625 			clear_bit(HPH_PA_DELAY, &wcd937x->status_mask);
626 		}
627 
628 		wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_POST_HPHR_PA_OFF);
629 		snd_soc_component_update_bits(component,
630 					      WCD937X_DIGITAL_PDM_WD_CTL1, 0x07, 0x00);
631 		snd_soc_component_update_bits(component, WCD937X_ANA_HPH,
632 					      BIT(4), 0x00);
633 		wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
634 					WCD_CLSH_EVENT_POST_PA,
635 					WCD_CLSH_STATE_HPHR,
636 					hph_mode);
637 		break;
638 	}
639 
640 	return 0;
641 }
642 
643 static int wcd937x_codec_enable_hphl_pa(struct snd_soc_dapm_widget *w,
644 					struct snd_kcontrol *kcontrol,
645 					int event)
646 {
647 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
648 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
649 	int hph_mode = wcd937x->hph_mode;
650 
651 	switch (event) {
652 	case SND_SOC_DAPM_PRE_PMU:
653 		wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
654 					WCD_CLSH_EVENT_PRE_DAC,
655 					WCD_CLSH_STATE_HPHL,
656 					hph_mode);
657 		snd_soc_component_update_bits(component, WCD937X_ANA_HPH,
658 					      BIT(5), BIT(5));
659 		usleep_range(100, 110);
660 		set_bit(HPH_PA_DELAY, &wcd937x->status_mask);
661 		snd_soc_component_update_bits(component,
662 					      WCD937X_DIGITAL_PDM_WD_CTL0, 0x07, 0x03);
663 		break;
664 	case SND_SOC_DAPM_POST_PMU:
665 		if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) {
666 			if (!wcd937x->comp1_enable)
667 				usleep_range(20000, 20100);
668 			else
669 				usleep_range(7000, 7100);
670 			clear_bit(HPH_PA_DELAY, &wcd937x->status_mask);
671 		}
672 
673 		snd_soc_component_update_bits(component,
674 					      WCD937X_HPH_NEW_INT_HPH_TIMER1,
675 					      BIT(1), BIT(1));
676 		if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI)
677 			snd_soc_component_update_bits(component,
678 						      WCD937X_ANA_RX_SUPPLIES,
679 						      BIT(1), BIT(1));
680 		enable_irq(wcd937x->hphl_pdm_wd_int);
681 		break;
682 	case SND_SOC_DAPM_PRE_PMD:
683 		disable_irq_nosync(wcd937x->hphl_pdm_wd_int);
684 		set_bit(HPH_PA_DELAY, &wcd937x->status_mask);
685 		wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_PRE_HPHL_PA_OFF);
686 		break;
687 	case SND_SOC_DAPM_POST_PMD:
688 		if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) {
689 			if (!wcd937x->comp1_enable)
690 				usleep_range(20000, 20100);
691 			else
692 				usleep_range(7000, 7100);
693 			clear_bit(HPH_PA_DELAY, &wcd937x->status_mask);
694 		}
695 
696 		wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_POST_HPHL_PA_OFF);
697 		snd_soc_component_update_bits(component,
698 					      WCD937X_DIGITAL_PDM_WD_CTL0, 0x07, 0x00);
699 		snd_soc_component_update_bits(component,
700 					      WCD937X_ANA_HPH, BIT(5), 0x00);
701 		wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
702 					WCD_CLSH_EVENT_POST_PA,
703 					WCD_CLSH_STATE_HPHL,
704 					hph_mode);
705 		break;
706 	}
707 
708 	return 0;
709 }
710 
711 static int wcd937x_codec_enable_aux_pa(struct snd_soc_dapm_widget *w,
712 				       struct snd_kcontrol *kcontrol,
713 				       int event)
714 {
715 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
716 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
717 	int hph_mode = wcd937x->hph_mode;
718 
719 	switch (event) {
720 	case SND_SOC_DAPM_PRE_PMU:
721 		snd_soc_component_update_bits(component,
722 					      WCD937X_DIGITAL_PDM_WD_CTL2,
723 					      BIT(0), BIT(0));
724 		break;
725 	case SND_SOC_DAPM_POST_PMU:
726 		usleep_range(1000, 1010);
727 		if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI)
728 			snd_soc_component_update_bits(component,
729 						      WCD937X_ANA_RX_SUPPLIES,
730 						      BIT(1), BIT(1));
731 		enable_irq(wcd937x->aux_pdm_wd_int);
732 		break;
733 	case SND_SOC_DAPM_PRE_PMD:
734 		disable_irq_nosync(wcd937x->aux_pdm_wd_int);
735 		break;
736 	case SND_SOC_DAPM_POST_PMD:
737 		usleep_range(2000, 2010);
738 		wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
739 					WCD_CLSH_EVENT_POST_PA,
740 					WCD_CLSH_STATE_AUX,
741 					hph_mode);
742 		snd_soc_component_update_bits(component,
743 					      WCD937X_DIGITAL_PDM_WD_CTL2,
744 					      BIT(0), 0x00);
745 		break;
746 	}
747 
748 	return 0;
749 }
750 
751 static int wcd937x_codec_enable_ear_pa(struct snd_soc_dapm_widget *w,
752 				       struct snd_kcontrol *kcontrol,
753 				       int event)
754 {
755 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
756 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
757 	int hph_mode = wcd937x->hph_mode;
758 
759 	switch (event) {
760 	case SND_SOC_DAPM_PRE_PMU:
761 		/* Enable watchdog interrupt for HPHL or AUX depending on mux value */
762 		wcd937x->ear_rx_path = snd_soc_component_read(component,
763 							      WCD937X_DIGITAL_CDC_EAR_PATH_CTL);
764 
765 		if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX)
766 			snd_soc_component_update_bits(component,
767 						      WCD937X_DIGITAL_PDM_WD_CTL2,
768 						      BIT(0), BIT(0));
769 		else
770 			snd_soc_component_update_bits(component,
771 						      WCD937X_DIGITAL_PDM_WD_CTL0,
772 						      0x07, 0x03);
773 		if (!wcd937x->comp1_enable)
774 			snd_soc_component_update_bits(component,
775 						      WCD937X_ANA_EAR_COMPANDER_CTL,
776 						      BIT(7), BIT(7));
777 		break;
778 	case SND_SOC_DAPM_POST_PMU:
779 		usleep_range(6000, 6010);
780 		if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI)
781 			snd_soc_component_update_bits(component,
782 						      WCD937X_ANA_RX_SUPPLIES,
783 						      BIT(1), BIT(1));
784 
785 		if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX)
786 			enable_irq(wcd937x->aux_pdm_wd_int);
787 		else
788 			enable_irq(wcd937x->hphl_pdm_wd_int);
789 		break;
790 	case SND_SOC_DAPM_PRE_PMD:
791 		if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX)
792 			disable_irq_nosync(wcd937x->aux_pdm_wd_int);
793 		else
794 			disable_irq_nosync(wcd937x->hphl_pdm_wd_int);
795 		break;
796 	case SND_SOC_DAPM_POST_PMD:
797 		if (!wcd937x->comp1_enable)
798 			snd_soc_component_update_bits(component,
799 						      WCD937X_ANA_EAR_COMPANDER_CTL,
800 						      BIT(7), 0x00);
801 		usleep_range(7000, 7010);
802 		wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
803 					WCD_CLSH_EVENT_POST_PA,
804 					WCD_CLSH_STATE_EAR,
805 					hph_mode);
806 		snd_soc_component_update_bits(component, WCD937X_FLYBACK_EN,
807 					      BIT(2), BIT(2));
808 
809 		if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX)
810 			snd_soc_component_update_bits(component,
811 						      WCD937X_DIGITAL_PDM_WD_CTL2,
812 						      BIT(0), 0x00);
813 		else
814 			snd_soc_component_update_bits(component,
815 						      WCD937X_DIGITAL_PDM_WD_CTL0,
816 						      0x07, 0x00);
817 		break;
818 	}
819 
820 	return 0;
821 }
822 
823 static int wcd937x_enable_rx1(struct snd_soc_dapm_widget *w,
824 			      struct snd_kcontrol *kcontrol,
825 			      int event)
826 {
827 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
828 
829 	if (event == SND_SOC_DAPM_POST_PMD) {
830 		wcd937x_rx_clk_disable(component);
831 		snd_soc_component_update_bits(component,
832 					      WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
833 					      BIT(0), 0x00);
834 	}
835 
836 	return 0;
837 }
838 
839 static int wcd937x_enable_rx2(struct snd_soc_dapm_widget *w,
840 			      struct snd_kcontrol *kcontrol, int event)
841 {
842 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
843 
844 	if (event == SND_SOC_DAPM_POST_PMD) {
845 		wcd937x_rx_clk_disable(component);
846 		snd_soc_component_update_bits(component,
847 					      WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
848 					      BIT(1), 0x00);
849 	}
850 
851 	return 0;
852 }
853 
854 static int wcd937x_enable_rx3(struct snd_soc_dapm_widget *w,
855 			      struct snd_kcontrol *kcontrol,
856 			      int event)
857 {
858 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
859 
860 	if (event == SND_SOC_DAPM_POST_PMD) {
861 		usleep_range(6000, 6010);
862 		wcd937x_rx_clk_disable(component);
863 		snd_soc_component_update_bits(component,
864 					      WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
865 					      BIT(2), 0x00);
866 	}
867 
868 	return 0;
869 }
870 
871 static int wcd937x_get_micb_vout_ctl_val(u32 micb_mv)
872 {
873 	if (micb_mv < 1000 || micb_mv > 2850) {
874 		pr_err("Unsupported micbias voltage (%u mV)\n", micb_mv);
875 		return -EINVAL;
876 	}
877 
878 	return (micb_mv - 1000) / 50;
879 }
880 
881 static int wcd937x_tx_swr_ctrl(struct snd_soc_dapm_widget *w,
882 			       struct snd_kcontrol *kcontrol, int event)
883 {
884 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
885 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
886 	bool use_amic3 = snd_soc_component_read(component, WCD937X_TX_NEW_TX_CH2_SEL) & BIT(7);
887 
888 	/* Enable BCS for Headset mic */
889 	if (event == SND_SOC_DAPM_PRE_PMU && strnstr(w->name, "ADC", sizeof("ADC")))
890 		if (w->shift == 1 && !use_amic3)
891 			set_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask);
892 
893 	return 0;
894 }
895 
896 static int wcd937x_codec_enable_adc(struct snd_soc_dapm_widget *w,
897 				    struct snd_kcontrol *kcontrol, int event)
898 {
899 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
900 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
901 
902 	switch (event) {
903 	case SND_SOC_DAPM_PRE_PMU:
904 		atomic_inc(&wcd937x->ana_clk_count);
905 		snd_soc_component_update_bits(component,
906 					      WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(7), BIT(7));
907 		snd_soc_component_update_bits(component,
908 					      WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(3), BIT(3));
909 		snd_soc_component_update_bits(component,
910 					      WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(4), BIT(4));
911 		break;
912 	case SND_SOC_DAPM_POST_PMD:
913 		if (w->shift == 1 && test_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask))
914 			clear_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask);
915 
916 		snd_soc_component_update_bits(component,
917 					      WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(3), 0x00);
918 		break;
919 	}
920 
921 	return 0;
922 }
923 
924 static int wcd937x_enable_req(struct snd_soc_dapm_widget *w,
925 			      struct snd_kcontrol *kcontrol, int event)
926 {
927 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
928 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
929 
930 	switch (event) {
931 	case SND_SOC_DAPM_PRE_PMU:
932 		snd_soc_component_update_bits(component,
933 					      WCD937X_DIGITAL_CDC_REQ_CTL, BIT(1), BIT(1));
934 		snd_soc_component_update_bits(component,
935 					      WCD937X_DIGITAL_CDC_REQ_CTL, BIT(0), 0x00);
936 		snd_soc_component_update_bits(component,
937 					      WCD937X_ANA_TX_CH2, BIT(6), BIT(6));
938 		snd_soc_component_update_bits(component,
939 					      WCD937X_ANA_TX_CH3_HPF, BIT(6), BIT(6));
940 		snd_soc_component_update_bits(component,
941 					      WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 0x70, 0x70);
942 		snd_soc_component_update_bits(component,
943 					      WCD937X_ANA_TX_CH1, BIT(7), BIT(7));
944 		snd_soc_component_update_bits(component,
945 					      WCD937X_ANA_TX_CH2, BIT(6), 0x00);
946 		snd_soc_component_update_bits(component,
947 					      WCD937X_ANA_TX_CH2, BIT(7), BIT(7));
948 		snd_soc_component_update_bits(component,
949 					      WCD937X_ANA_TX_CH3, BIT(7), BIT(7));
950 		break;
951 	case SND_SOC_DAPM_POST_PMD:
952 		snd_soc_component_update_bits(component,
953 					      WCD937X_ANA_TX_CH1, BIT(7), 0x00);
954 		snd_soc_component_update_bits(component,
955 					      WCD937X_ANA_TX_CH2, BIT(7), 0x00);
956 		snd_soc_component_update_bits(component,
957 					      WCD937X_ANA_TX_CH3, BIT(7), 0x00);
958 		snd_soc_component_update_bits(component,
959 					      WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(4), 0x00);
960 
961 		atomic_dec(&wcd937x->ana_clk_count);
962 		if (atomic_read(&wcd937x->ana_clk_count) <= 0) {
963 			snd_soc_component_update_bits(component,
964 						      WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
965 						      BIT(4), 0x00);
966 			atomic_set(&wcd937x->ana_clk_count, 0);
967 		}
968 
969 		snd_soc_component_update_bits(component,
970 					      WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
971 					      BIT(7), 0x00);
972 		break;
973 	}
974 
975 	return 0;
976 }
977 
978 static int wcd937x_codec_enable_dmic(struct snd_soc_dapm_widget *w,
979 				     struct snd_kcontrol *kcontrol,
980 				     int event)
981 {
982 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
983 	u16 dmic_clk_reg;
984 
985 	switch (w->shift) {
986 	case 0:
987 	case 1:
988 		dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC1_CTL;
989 		break;
990 	case 2:
991 	case 3:
992 		dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC2_CTL;
993 		break;
994 	case 4:
995 	case 5:
996 		dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC3_CTL;
997 		break;
998 	default:
999 		dev_err(component->dev, "Invalid DMIC Selection\n");
1000 		return -EINVAL;
1001 	}
1002 
1003 	switch (event) {
1004 	case SND_SOC_DAPM_PRE_PMU:
1005 		snd_soc_component_update_bits(component,
1006 					      WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
1007 					      BIT(7), BIT(7));
1008 		snd_soc_component_update_bits(component,
1009 					      dmic_clk_reg, 0x07, BIT(1));
1010 		snd_soc_component_update_bits(component,
1011 					      dmic_clk_reg, BIT(3), BIT(3));
1012 		snd_soc_component_update_bits(component,
1013 					      dmic_clk_reg, 0x70, BIT(5));
1014 		break;
1015 	}
1016 
1017 	return 0;
1018 }
1019 
1020 static int wcd937x_micbias_control(struct snd_soc_component *component,
1021 				   int micb_num, int req, bool is_dapm)
1022 {
1023 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1024 	int micb_index = micb_num - 1;
1025 	u16 micb_reg;
1026 
1027 	if (micb_index < 0 || (micb_index > WCD937X_MAX_MICBIAS - 1)) {
1028 		dev_err(component->dev, "Invalid micbias index, micb_ind:%d\n", micb_index);
1029 		return -EINVAL;
1030 	}
1031 	switch (micb_num) {
1032 	case MIC_BIAS_1:
1033 		micb_reg = WCD937X_ANA_MICB1;
1034 		break;
1035 	case MIC_BIAS_2:
1036 		micb_reg = WCD937X_ANA_MICB2;
1037 		break;
1038 	case MIC_BIAS_3:
1039 		micb_reg = WCD937X_ANA_MICB3;
1040 		break;
1041 	default:
1042 		dev_err(component->dev, "Invalid micbias number: %d\n", micb_num);
1043 		return -EINVAL;
1044 	}
1045 
1046 	mutex_lock(&wcd937x->micb_lock);
1047 	switch (req) {
1048 	case MICB_PULLUP_ENABLE:
1049 		wcd937x->pullup_ref[micb_index]++;
1050 		if (wcd937x->pullup_ref[micb_index] == 1 &&
1051 		    wcd937x->micb_ref[micb_index] == 0)
1052 			snd_soc_component_update_bits(component, micb_reg,
1053 						      0xc0, BIT(7));
1054 		break;
1055 	case MICB_PULLUP_DISABLE:
1056 		if (wcd937x->pullup_ref[micb_index] > 0)
1057 			wcd937x->pullup_ref[micb_index]++;
1058 		if (wcd937x->pullup_ref[micb_index] == 0 &&
1059 		    wcd937x->micb_ref[micb_index] == 0)
1060 			snd_soc_component_update_bits(component, micb_reg,
1061 						      0xc0, 0x00);
1062 		break;
1063 	case MICB_ENABLE:
1064 		wcd937x->micb_ref[micb_index]++;
1065 		atomic_inc(&wcd937x->ana_clk_count);
1066 		if (wcd937x->micb_ref[micb_index] == 1) {
1067 			snd_soc_component_update_bits(component,
1068 						      WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
1069 						      0xf0, 0xf0);
1070 			snd_soc_component_update_bits(component,
1071 						      WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
1072 						      BIT(4), BIT(4));
1073 			snd_soc_component_update_bits(component,
1074 						      WCD937X_MICB1_TEST_CTL_2,
1075 						      BIT(0), BIT(0));
1076 			snd_soc_component_update_bits(component,
1077 						      WCD937X_MICB2_TEST_CTL_2,
1078 						      BIT(0), BIT(0));
1079 			snd_soc_component_update_bits(component,
1080 						      WCD937X_MICB3_TEST_CTL_2,
1081 						      BIT(0), BIT(0));
1082 			snd_soc_component_update_bits(component,
1083 						      micb_reg, 0xc0, BIT(6));
1084 
1085 			if (micb_num == MIC_BIAS_2)
1086 				wcd_mbhc_event_notify(wcd937x->wcd_mbhc,
1087 						      WCD_EVENT_POST_MICBIAS_2_ON);
1088 
1089 			if (micb_num == MIC_BIAS_2 && is_dapm)
1090 				wcd_mbhc_event_notify(wcd937x->wcd_mbhc,
1091 						      WCD_EVENT_POST_DAPM_MICBIAS_2_ON);
1092 		}
1093 		break;
1094 	case MICB_DISABLE:
1095 		atomic_dec(&wcd937x->ana_clk_count);
1096 		if (wcd937x->micb_ref[micb_index] > 0)
1097 			wcd937x->micb_ref[micb_index]--;
1098 		if (wcd937x->micb_ref[micb_index] == 0 &&
1099 		    wcd937x->pullup_ref[micb_index] > 0)
1100 			snd_soc_component_update_bits(component, micb_reg,
1101 						      0xc0, BIT(7));
1102 		else if (wcd937x->micb_ref[micb_index] == 0 &&
1103 			 wcd937x->pullup_ref[micb_index] == 0) {
1104 			if (micb_num == MIC_BIAS_2)
1105 				wcd_mbhc_event_notify(wcd937x->wcd_mbhc,
1106 						      WCD_EVENT_PRE_MICBIAS_2_OFF);
1107 
1108 			snd_soc_component_update_bits(component, micb_reg,
1109 						      0xc0, 0x00);
1110 			if (micb_num == MIC_BIAS_2)
1111 				wcd_mbhc_event_notify(wcd937x->wcd_mbhc,
1112 						      WCD_EVENT_POST_MICBIAS_2_OFF);
1113 		}
1114 
1115 		if (is_dapm && micb_num == MIC_BIAS_2)
1116 			wcd_mbhc_event_notify(wcd937x->wcd_mbhc,
1117 					      WCD_EVENT_POST_DAPM_MICBIAS_2_OFF);
1118 		if (atomic_read(&wcd937x->ana_clk_count) <= 0) {
1119 			snd_soc_component_update_bits(component,
1120 						      WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
1121 						      BIT(4), 0x00);
1122 			atomic_set(&wcd937x->ana_clk_count, 0);
1123 		}
1124 		break;
1125 	}
1126 	mutex_unlock(&wcd937x->micb_lock);
1127 
1128 	return 0;
1129 }
1130 
1131 static int __wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w,
1132 					  int event)
1133 {
1134 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1135 	int micb_num = w->shift;
1136 
1137 	switch (event) {
1138 	case SND_SOC_DAPM_PRE_PMU:
1139 		wcd937x_micbias_control(component, micb_num,
1140 					MICB_ENABLE, true);
1141 		break;
1142 	case SND_SOC_DAPM_POST_PMU:
1143 		usleep_range(1000, 1100);
1144 		break;
1145 	case SND_SOC_DAPM_POST_PMD:
1146 		wcd937x_micbias_control(component, micb_num,
1147 					MICB_DISABLE, true);
1148 		break;
1149 	}
1150 
1151 	return 0;
1152 }
1153 
1154 static int wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w,
1155 					struct snd_kcontrol *kcontrol,
1156 					int event)
1157 {
1158 	return __wcd937x_codec_enable_micbias(w, event);
1159 }
1160 
1161 static int __wcd937x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget *w,
1162 						 int event)
1163 {
1164 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1165 	int micb_num = w->shift;
1166 
1167 	switch (event) {
1168 	case SND_SOC_DAPM_PRE_PMU:
1169 		wcd937x_micbias_control(component, micb_num, MICB_PULLUP_ENABLE, true);
1170 		break;
1171 	case SND_SOC_DAPM_POST_PMU:
1172 		usleep_range(1000, 1100);
1173 		break;
1174 	case SND_SOC_DAPM_POST_PMD:
1175 		wcd937x_micbias_control(component, micb_num, MICB_PULLUP_DISABLE, true);
1176 		break;
1177 	}
1178 
1179 	return 0;
1180 }
1181 
1182 static int wcd937x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget *w,
1183 					       struct snd_kcontrol *kcontrol,
1184 					       int event)
1185 {
1186 	return __wcd937x_codec_enable_micbias_pullup(w, event);
1187 }
1188 
1189 static int wcd937x_connect_port(struct wcd937x_sdw_priv *wcd, u8 port_idx, u8 ch_id, bool enable)
1190 {
1191 	struct sdw_port_config *port_config = &wcd->port_config[port_idx - 1];
1192 	const struct wcd937x_sdw_ch_info *ch_info = &wcd->ch_info[ch_id];
1193 	u8 port_num = ch_info->port_num;
1194 	u8 ch_mask = ch_info->ch_mask;
1195 
1196 	port_config->num = port_num;
1197 
1198 	if (enable)
1199 		port_config->ch_mask |= ch_mask;
1200 	else
1201 		port_config->ch_mask &= ~ch_mask;
1202 
1203 	return 0;
1204 }
1205 
1206 static int wcd937x_rx_hph_mode_get(struct snd_kcontrol *kcontrol,
1207 				   struct snd_ctl_elem_value *ucontrol)
1208 {
1209 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1210 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1211 
1212 	ucontrol->value.integer.value[0] = wcd937x->hph_mode;
1213 	return 0;
1214 }
1215 
1216 static int wcd937x_rx_hph_mode_put(struct snd_kcontrol *kcontrol,
1217 				   struct snd_ctl_elem_value *ucontrol)
1218 {
1219 	struct snd_soc_component *component =
1220 				snd_soc_kcontrol_component(kcontrol);
1221 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1222 	u32 mode_val;
1223 
1224 	mode_val = ucontrol->value.enumerated.item[0];
1225 
1226 	if (!mode_val)
1227 		mode_val = CLS_AB;
1228 
1229 	if (mode_val == wcd937x->hph_mode)
1230 		return 0;
1231 
1232 	switch (mode_val) {
1233 	case CLS_H_NORMAL:
1234 	case CLS_H_HIFI:
1235 	case CLS_H_LP:
1236 	case CLS_AB:
1237 	case CLS_H_LOHIFI:
1238 	case CLS_H_ULP:
1239 	case CLS_AB_LP:
1240 	case CLS_AB_HIFI:
1241 		wcd937x->hph_mode = mode_val;
1242 		return 1;
1243 	}
1244 
1245 	dev_dbg(component->dev, "%s: Invalid HPH Mode\n", __func__);
1246 	return -EINVAL;
1247 }
1248 
1249 static int wcd937x_get_compander(struct snd_kcontrol *kcontrol,
1250 				 struct snd_ctl_elem_value *ucontrol)
1251 {
1252 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1253 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1254 	struct soc_mixer_control *mc;
1255 	bool hphr;
1256 
1257 	mc = (struct soc_mixer_control *)(kcontrol->private_value);
1258 	hphr = mc->shift;
1259 
1260 	ucontrol->value.integer.value[0] = hphr ? wcd937x->comp2_enable :
1261 						  wcd937x->comp1_enable;
1262 	return 0;
1263 }
1264 
1265 static int wcd937x_set_compander(struct snd_kcontrol *kcontrol,
1266 				 struct snd_ctl_elem_value *ucontrol)
1267 {
1268 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1269 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1270 	struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[AIF1_PB];
1271 	int value = ucontrol->value.integer.value[0];
1272 	struct soc_mixer_control *mc;
1273 	int portidx;
1274 	bool hphr;
1275 
1276 	mc = (struct soc_mixer_control *)(kcontrol->private_value);
1277 	hphr = mc->shift;
1278 
1279 	if (hphr) {
1280 		if (value == wcd937x->comp2_enable)
1281 			return 0;
1282 
1283 		wcd937x->comp2_enable = value;
1284 	} else {
1285 		if (value == wcd937x->comp1_enable)
1286 			return 0;
1287 
1288 		wcd937x->comp1_enable = value;
1289 	}
1290 
1291 	portidx = wcd->ch_info[mc->reg].port_num;
1292 
1293 	if (value)
1294 		wcd937x_connect_port(wcd, portidx, mc->reg, true);
1295 	else
1296 		wcd937x_connect_port(wcd, portidx, mc->reg, false);
1297 
1298 	return 1;
1299 }
1300 
1301 static int wcd937x_get_swr_port(struct snd_kcontrol *kcontrol,
1302 				struct snd_ctl_elem_value *ucontrol)
1303 {
1304 	struct soc_mixer_control *mixer = (struct soc_mixer_control *)kcontrol->private_value;
1305 	struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
1306 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(comp);
1307 	struct wcd937x_sdw_priv *wcd;
1308 	int dai_id = mixer->shift;
1309 	int ch_idx = mixer->reg;
1310 	int portidx;
1311 
1312 	wcd = wcd937x->sdw_priv[dai_id];
1313 	portidx = wcd->ch_info[ch_idx].port_num;
1314 
1315 	ucontrol->value.integer.value[0] = wcd->port_enable[portidx];
1316 
1317 	return 0;
1318 }
1319 
1320 static int wcd937x_set_swr_port(struct snd_kcontrol *kcontrol,
1321 				struct snd_ctl_elem_value *ucontrol)
1322 {
1323 	struct soc_mixer_control *mixer = (struct soc_mixer_control *)kcontrol->private_value;
1324 	struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
1325 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(comp);
1326 	struct wcd937x_sdw_priv *wcd;
1327 	int dai_id = mixer->shift;
1328 	int ch_idx = mixer->reg;
1329 	int portidx;
1330 	bool enable;
1331 
1332 	wcd = wcd937x->sdw_priv[dai_id];
1333 
1334 	portidx = wcd->ch_info[ch_idx].port_num;
1335 
1336 	enable = ucontrol->value.integer.value[0];
1337 
1338 	if (enable == wcd->port_enable[portidx]) {
1339 		wcd937x_connect_port(wcd, portidx, ch_idx, enable);
1340 		return 0;
1341 	}
1342 
1343 	wcd->port_enable[portidx] = enable;
1344 	wcd937x_connect_port(wcd, portidx, ch_idx, enable);
1345 
1346 	return 1;
1347 }
1348 
1349 static const char * const rx_hph_mode_mux_text[] = {
1350 	"CLS_H_NORMAL", "CLS_H_INVALID", "CLS_H_HIFI", "CLS_H_LP", "CLS_AB",
1351 	"CLS_H_LOHIFI", "CLS_H_ULP", "CLS_AB_LP", "CLS_AB_HIFI",
1352 };
1353 
1354 static const struct soc_enum rx_hph_mode_mux_enum =
1355 	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(rx_hph_mode_mux_text), rx_hph_mode_mux_text);
1356 
1357 /* MBHC related */
1358 static void wcd937x_mbhc_clk_setup(struct snd_soc_component *component,
1359 				   bool enable)
1360 {
1361 	snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_1,
1362 				      WCD937X_MBHC_CTL_RCO_EN_MASK, enable);
1363 }
1364 
1365 static void wcd937x_mbhc_mbhc_bias_control(struct snd_soc_component *component,
1366 					   bool enable)
1367 {
1368 	snd_soc_component_write_field(component, WCD937X_ANA_MBHC_ELECT,
1369 				      WCD937X_ANA_MBHC_BIAS_EN, enable);
1370 }
1371 
1372 static void wcd937x_mbhc_program_btn_thr(struct snd_soc_component *component,
1373 					 int *btn_low, int *btn_high,
1374 					 int num_btn, bool is_micbias)
1375 {
1376 	int i, vth;
1377 
1378 	if (num_btn > WCD_MBHC_DEF_BUTTONS) {
1379 		dev_err(component->dev, "%s: invalid number of buttons: %d\n",
1380 			__func__, num_btn);
1381 		return;
1382 	}
1383 
1384 	for (i = 0; i < num_btn; i++) {
1385 		vth = ((btn_high[i] * 2) / 25) & 0x3F;
1386 		snd_soc_component_write_field(component, WCD937X_ANA_MBHC_BTN0 + i,
1387 					      WCD937X_MBHC_BTN_VTH_MASK, vth);
1388 	}
1389 }
1390 
1391 static bool wcd937x_mbhc_micb_en_status(struct snd_soc_component *component, int micb_num)
1392 {
1393 	u8 val;
1394 
1395 	if (micb_num == MIC_BIAS_2) {
1396 		val = snd_soc_component_read_field(component,
1397 						   WCD937X_ANA_MICB2,
1398 						   WCD937X_ANA_MICB2_ENABLE_MASK);
1399 		if (val == WCD937X_MICB_ENABLE)
1400 			return true;
1401 	}
1402 	return false;
1403 }
1404 
1405 static void wcd937x_mbhc_hph_l_pull_up_control(struct snd_soc_component *component,
1406 					       int pull_up_cur)
1407 {
1408 	/* Default pull up current to 2uA */
1409 	if (pull_up_cur > HS_PULLUP_I_OFF || pull_up_cur < HS_PULLUP_I_3P0_UA)
1410 		pull_up_cur = HS_PULLUP_I_2P0_UA;
1411 
1412 	snd_soc_component_write_field(component,
1413 				      WCD937X_MBHC_NEW_INT_MECH_DET_CURRENT,
1414 				      WCD937X_HSDET_PULLUP_C_MASK, pull_up_cur);
1415 }
1416 
1417 static int wcd937x_mbhc_request_micbias(struct snd_soc_component *component,
1418 					int micb_num, int req)
1419 {
1420 	return wcd937x_micbias_control(component, micb_num, req, false);
1421 }
1422 
1423 static void wcd937x_mbhc_micb_ramp_control(struct snd_soc_component *component,
1424 					   bool enable)
1425 {
1426 	if (enable) {
1427 		snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP,
1428 					      WCD937X_RAMP_SHIFT_CTRL_MASK, 0x0C);
1429 		snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP,
1430 					      WCD937X_RAMP_EN_MASK, 1);
1431 	} else {
1432 		snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP,
1433 					      WCD937X_RAMP_EN_MASK, 0);
1434 		snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP,
1435 					      WCD937X_RAMP_SHIFT_CTRL_MASK, 0);
1436 	}
1437 }
1438 
1439 static int wcd937x_mbhc_micb_adjust_voltage(struct snd_soc_component *component,
1440 					    int req_volt, int micb_num)
1441 {
1442 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1443 	int cur_vout_ctl, req_vout_ctl, micb_reg, micb_en, ret = 0;
1444 
1445 	switch (micb_num) {
1446 	case MIC_BIAS_1:
1447 		micb_reg = WCD937X_ANA_MICB1;
1448 		break;
1449 	case MIC_BIAS_2:
1450 		micb_reg = WCD937X_ANA_MICB2;
1451 		break;
1452 	case MIC_BIAS_3:
1453 		micb_reg = WCD937X_ANA_MICB3;
1454 		break;
1455 	default:
1456 		return -EINVAL;
1457 	}
1458 	mutex_lock(&wcd937x->micb_lock);
1459 	/*
1460 	 * If requested micbias voltage is same as current micbias
1461 	 * voltage, then just return. Otherwise, adjust voltage as
1462 	 * per requested value. If micbias is already enabled, then
1463 	 * to avoid slow micbias ramp-up or down enable pull-up
1464 	 * momentarily, change the micbias value and then re-enable
1465 	 * micbias.
1466 	 */
1467 	micb_en = snd_soc_component_read_field(component, micb_reg,
1468 					       WCD937X_MICB_EN_MASK);
1469 	cur_vout_ctl = snd_soc_component_read_field(component, micb_reg,
1470 						    WCD937X_MICB_VOUT_MASK);
1471 
1472 	req_vout_ctl = wcd937x_get_micb_vout_ctl_val(req_volt);
1473 	if (req_vout_ctl < 0) {
1474 		ret = -EINVAL;
1475 		goto exit;
1476 	}
1477 
1478 	if (cur_vout_ctl == req_vout_ctl) {
1479 		ret = 0;
1480 		goto exit;
1481 	}
1482 
1483 	if (micb_en == WCD937X_MICB_ENABLE)
1484 		snd_soc_component_write_field(component, micb_reg,
1485 					      WCD937X_MICB_EN_MASK,
1486 					      WCD937X_MICB_PULL_UP);
1487 
1488 	snd_soc_component_write_field(component, micb_reg,
1489 				      WCD937X_MICB_VOUT_MASK,
1490 				      req_vout_ctl);
1491 
1492 	if (micb_en == WCD937X_MICB_ENABLE) {
1493 		snd_soc_component_write_field(component, micb_reg,
1494 					      WCD937X_MICB_EN_MASK,
1495 					      WCD937X_MICB_ENABLE);
1496 		/*
1497 		 * Add 2ms delay as per HW requirement after enabling
1498 		 * micbias
1499 		 */
1500 		usleep_range(2000, 2100);
1501 	}
1502 exit:
1503 	mutex_unlock(&wcd937x->micb_lock);
1504 	return ret;
1505 }
1506 
1507 static int wcd937x_mbhc_micb_ctrl_threshold_mic(struct snd_soc_component *component,
1508 						int micb_num, bool req_en)
1509 {
1510 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1511 	int micb_mv;
1512 
1513 	if (micb_num != MIC_BIAS_2)
1514 		return -EINVAL;
1515 	/*
1516 	 * If device tree micbias level is already above the minimum
1517 	 * voltage needed to detect threshold microphone, then do
1518 	 * not change the micbias, just return.
1519 	 */
1520 	if (wcd937x->micb2_mv >= WCD_MBHC_THR_HS_MICB_MV)
1521 		return 0;
1522 
1523 	micb_mv = req_en ? WCD_MBHC_THR_HS_MICB_MV : wcd937x->micb2_mv;
1524 
1525 	return wcd937x_mbhc_micb_adjust_voltage(component, micb_mv, MIC_BIAS_2);
1526 }
1527 
1528 static void wcd937x_mbhc_get_result_params(struct snd_soc_component *component,
1529 					   s16 *d1_a, u16 noff,
1530 					   int32_t *zdet)
1531 {
1532 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1533 	int i;
1534 	int val, val1;
1535 	s16 c1;
1536 	s32 x1, d1;
1537 	s32 denom;
1538 	static const int minCode_param[] = {
1539 		3277, 1639, 820, 410, 205, 103, 52, 26
1540 	};
1541 
1542 	regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MBHC_ZDET, 0x20, 0x20);
1543 	for (i = 0; i < WCD937X_ZDET_NUM_MEASUREMENTS; i++) {
1544 		regmap_read(wcd937x->regmap, WCD937X_ANA_MBHC_RESULT_2, &val);
1545 		if (val & 0x80)
1546 			break;
1547 	}
1548 	val = val << 0x8;
1549 	regmap_read(wcd937x->regmap, WCD937X_ANA_MBHC_RESULT_1, &val1);
1550 	val |= val1;
1551 	regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MBHC_ZDET, 0x20, 0x00);
1552 	x1 = WCD937X_MBHC_GET_X1(val);
1553 	c1 = WCD937X_MBHC_GET_C1(val);
1554 	/* If ramp is not complete, give additional 5ms */
1555 	if (c1 < 2 && x1)
1556 		usleep_range(5000, 5050);
1557 
1558 	if (!c1 || !x1) {
1559 		dev_err(component->dev, "Impedance detect ramp error, c1=%d, x1=0x%x\n",
1560 			c1, x1);
1561 		goto ramp_down;
1562 	}
1563 	d1 = d1_a[c1];
1564 	denom = (x1 * d1) - (1 << (14 - noff));
1565 	if (denom > 0)
1566 		*zdet = (WCD937X_MBHC_ZDET_CONST * 1000) / denom;
1567 	else if (x1 < minCode_param[noff])
1568 		*zdet = WCD937X_ZDET_FLOATING_IMPEDANCE;
1569 
1570 	dev_err(component->dev, "%s: d1=%d, c1=%d, x1=0x%x, z_val=%d (milliohm)\n",
1571 		__func__, d1, c1, x1, *zdet);
1572 ramp_down:
1573 	i = 0;
1574 	while (x1) {
1575 		regmap_read(wcd937x->regmap,
1576 			    WCD937X_ANA_MBHC_RESULT_1, &val);
1577 		regmap_read(wcd937x->regmap,
1578 			    WCD937X_ANA_MBHC_RESULT_2, &val1);
1579 		val = val << 0x08;
1580 		val |= val1;
1581 		x1 = WCD937X_MBHC_GET_X1(val);
1582 		i++;
1583 		if (i == WCD937X_ZDET_NUM_MEASUREMENTS)
1584 			break;
1585 	}
1586 }
1587 
1588 static void wcd937x_mbhc_zdet_ramp(struct snd_soc_component *component,
1589 				   struct wcd937x_mbhc_zdet_param *zdet_param,
1590 				   s32 *zl, s32 *zr, s16 *d1_a)
1591 {
1592 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1593 	s32 zdet = 0;
1594 
1595 	snd_soc_component_write_field(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL,
1596 				      WCD937X_ZDET_MAXV_CTL_MASK, zdet_param->ldo_ctl);
1597 	snd_soc_component_update_bits(component, WCD937X_ANA_MBHC_BTN5,
1598 				      WCD937X_VTH_MASK, zdet_param->btn5);
1599 	snd_soc_component_update_bits(component, WCD937X_ANA_MBHC_BTN6,
1600 				      WCD937X_VTH_MASK, zdet_param->btn6);
1601 	snd_soc_component_update_bits(component, WCD937X_ANA_MBHC_BTN7,
1602 				      WCD937X_VTH_MASK, zdet_param->btn7);
1603 	snd_soc_component_write_field(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL,
1604 				      WCD937X_ZDET_RANGE_CTL_MASK, zdet_param->noff);
1605 	snd_soc_component_update_bits(component, WCD937X_MBHC_NEW_ZDET_RAMP_CTL,
1606 				      0x0F, zdet_param->nshift);
1607 
1608 	if (!zl)
1609 		goto z_right;
1610 	/* Start impedance measurement for HPH_L */
1611 	regmap_update_bits(wcd937x->regmap,
1612 			   WCD937X_ANA_MBHC_ZDET, 0x80, 0x80);
1613 	wcd937x_mbhc_get_result_params(component, d1_a, zdet_param->noff, &zdet);
1614 	regmap_update_bits(wcd937x->regmap,
1615 			   WCD937X_ANA_MBHC_ZDET, 0x80, 0x00);
1616 
1617 	*zl = zdet;
1618 
1619 z_right:
1620 	if (!zr)
1621 		return;
1622 	/* Start impedance measurement for HPH_R */
1623 	regmap_update_bits(wcd937x->regmap,
1624 			   WCD937X_ANA_MBHC_ZDET, 0x40, 0x40);
1625 	wcd937x_mbhc_get_result_params(component, d1_a, zdet_param->noff, &zdet);
1626 	regmap_update_bits(wcd937x->regmap,
1627 			   WCD937X_ANA_MBHC_ZDET, 0x40, 0x00);
1628 
1629 	*zr = zdet;
1630 }
1631 
1632 static void wcd937x_wcd_mbhc_qfuse_cal(struct snd_soc_component *component,
1633 				       s32 *z_val, int flag_l_r)
1634 {
1635 	s16 q1;
1636 	int q1_cal;
1637 
1638 	if (*z_val < (WCD937X_ZDET_VAL_400 / 1000))
1639 		q1 = snd_soc_component_read(component,
1640 					    WCD937X_DIGITAL_EFUSE_REG_23 + (2 * flag_l_r));
1641 	else
1642 		q1 = snd_soc_component_read(component,
1643 					    WCD937X_DIGITAL_EFUSE_REG_24 + (2 * flag_l_r));
1644 	if (q1 & 0x80)
1645 		q1_cal = (10000 - ((q1 & 0x7F) * 25));
1646 	else
1647 		q1_cal = (10000 + (q1 * 25));
1648 	if (q1_cal > 0)
1649 		*z_val = ((*z_val) * 10000) / q1_cal;
1650 }
1651 
1652 static void wcd937x_wcd_mbhc_calc_impedance(struct snd_soc_component *component,
1653 					    u32 *zl, u32 *zr)
1654 {
1655 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1656 	s16 reg0, reg1, reg2, reg3, reg4;
1657 	s32 z1l, z1r, z1ls;
1658 	int zMono, z_diff1, z_diff2;
1659 	bool is_fsm_disable = false;
1660 	struct wcd937x_mbhc_zdet_param zdet_param[] = {
1661 		{4, 0, 4, 0x08, 0x14, 0x18}, /* < 32ohm */
1662 		{2, 0, 3, 0x18, 0x7C, 0x90}, /* 32ohm < Z < 400ohm */
1663 		{1, 4, 5, 0x18, 0x7C, 0x90}, /* 400ohm < Z < 1200ohm */
1664 		{1, 6, 7, 0x18, 0x7C, 0x90}, /* >1200ohm */
1665 	};
1666 	struct wcd937x_mbhc_zdet_param *zdet_param_ptr = NULL;
1667 	s16 d1_a[][4] = {
1668 		{0, 30, 90, 30},
1669 		{0, 30, 30, 5},
1670 		{0, 30, 30, 5},
1671 		{0, 30, 30, 5},
1672 	};
1673 	s16 *d1 = NULL;
1674 
1675 	reg0 = snd_soc_component_read(component, WCD937X_ANA_MBHC_BTN5);
1676 	reg1 = snd_soc_component_read(component, WCD937X_ANA_MBHC_BTN6);
1677 	reg2 = snd_soc_component_read(component, WCD937X_ANA_MBHC_BTN7);
1678 	reg3 = snd_soc_component_read(component, WCD937X_MBHC_CTL_CLK);
1679 	reg4 = snd_soc_component_read(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL);
1680 
1681 	if (snd_soc_component_read(component, WCD937X_ANA_MBHC_ELECT) & 0x80) {
1682 		is_fsm_disable = true;
1683 		regmap_update_bits(wcd937x->regmap,
1684 				   WCD937X_ANA_MBHC_ELECT, 0x80, 0x00);
1685 	}
1686 
1687 	/* For NO-jack, disable L_DET_EN before Z-det measurements */
1688 	if (wcd937x->mbhc_cfg.hphl_swh)
1689 		regmap_update_bits(wcd937x->regmap,
1690 				   WCD937X_ANA_MBHC_MECH, 0x80, 0x00);
1691 
1692 	/* Turn off 100k pull down on HPHL */
1693 	regmap_update_bits(wcd937x->regmap,
1694 			   WCD937X_ANA_MBHC_MECH, 0x01, 0x00);
1695 
1696 	/* Disable surge protection before impedance detection.
1697 	 * This is done to give correct value for high impedance.
1698 	 */
1699 	regmap_update_bits(wcd937x->regmap,
1700 			   WCD937X_HPH_SURGE_HPHLR_SURGE_EN, 0xC0, 0x00);
1701 	/* 1ms delay needed after disable surge protection */
1702 	usleep_range(1000, 1010);
1703 
1704 	/* First get impedance on Left */
1705 	d1 = d1_a[1];
1706 	zdet_param_ptr = &zdet_param[1];
1707 	wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1l, NULL, d1);
1708 
1709 	if (!WCD937X_MBHC_IS_SECOND_RAMP_REQUIRED(z1l))
1710 		goto left_ch_impedance;
1711 
1712 	/* Second ramp for left ch */
1713 	if (z1l < WCD937X_ZDET_VAL_32) {
1714 		zdet_param_ptr = &zdet_param[0];
1715 		d1 = d1_a[0];
1716 	} else if ((z1l > WCD937X_ZDET_VAL_400) &&
1717 		  (z1l <= WCD937X_ZDET_VAL_1200)) {
1718 		zdet_param_ptr = &zdet_param[2];
1719 		d1 = d1_a[2];
1720 	} else if (z1l > WCD937X_ZDET_VAL_1200) {
1721 		zdet_param_ptr = &zdet_param[3];
1722 		d1 = d1_a[3];
1723 	}
1724 	wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1l, NULL, d1);
1725 
1726 left_ch_impedance:
1727 	if (z1l == WCD937X_ZDET_FLOATING_IMPEDANCE ||
1728 	    z1l > WCD937X_ZDET_VAL_100K) {
1729 		*zl = WCD937X_ZDET_FLOATING_IMPEDANCE;
1730 		zdet_param_ptr = &zdet_param[1];
1731 		d1 = d1_a[1];
1732 	} else {
1733 		*zl = z1l / 1000;
1734 		wcd937x_wcd_mbhc_qfuse_cal(component, zl, 0);
1735 	}
1736 
1737 	/* Start of right impedance ramp and calculation */
1738 	wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, NULL, &z1r, d1);
1739 	if (WCD937X_MBHC_IS_SECOND_RAMP_REQUIRED(z1r)) {
1740 		if ((z1r > WCD937X_ZDET_VAL_1200 &&
1741 		     zdet_param_ptr->noff == 0x6) ||
1742 		     ((*zl) != WCD937X_ZDET_FLOATING_IMPEDANCE))
1743 			goto right_ch_impedance;
1744 		/* Second ramp for right ch */
1745 		if (z1r < WCD937X_ZDET_VAL_32) {
1746 			zdet_param_ptr = &zdet_param[0];
1747 			d1 = d1_a[0];
1748 		} else if ((z1r > WCD937X_ZDET_VAL_400) &&
1749 			(z1r <= WCD937X_ZDET_VAL_1200)) {
1750 			zdet_param_ptr = &zdet_param[2];
1751 			d1 = d1_a[2];
1752 		} else if (z1r > WCD937X_ZDET_VAL_1200) {
1753 			zdet_param_ptr = &zdet_param[3];
1754 			d1 = d1_a[3];
1755 		}
1756 		wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, NULL, &z1r, d1);
1757 	}
1758 right_ch_impedance:
1759 	if (z1r == WCD937X_ZDET_FLOATING_IMPEDANCE ||
1760 	    z1r > WCD937X_ZDET_VAL_100K) {
1761 		*zr = WCD937X_ZDET_FLOATING_IMPEDANCE;
1762 	} else {
1763 		*zr = z1r / 1000;
1764 		wcd937x_wcd_mbhc_qfuse_cal(component, zr, 1);
1765 	}
1766 
1767 	/* Mono/stereo detection */
1768 	if ((*zl == WCD937X_ZDET_FLOATING_IMPEDANCE) &&
1769 	    (*zr == WCD937X_ZDET_FLOATING_IMPEDANCE)) {
1770 		dev_err(component->dev,
1771 			"%s: plug type is invalid or extension cable\n",
1772 			__func__);
1773 		goto zdet_complete;
1774 	}
1775 	if ((*zl == WCD937X_ZDET_FLOATING_IMPEDANCE) ||
1776 	    (*zr == WCD937X_ZDET_FLOATING_IMPEDANCE) ||
1777 	    ((*zl < WCD_MONO_HS_MIN_THR) && (*zr > WCD_MONO_HS_MIN_THR)) ||
1778 	    ((*zl > WCD_MONO_HS_MIN_THR) && (*zr < WCD_MONO_HS_MIN_THR))) {
1779 		wcd_mbhc_set_hph_type(wcd937x->wcd_mbhc, WCD_MBHC_HPH_MONO);
1780 		goto zdet_complete;
1781 	}
1782 	snd_soc_component_write_field(component, WCD937X_HPH_R_ATEST,
1783 				      WCD937X_HPHPA_GND_OVR_MASK, 1);
1784 	snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2,
1785 				      WCD937X_HPHPA_GND_R_MASK, 1);
1786 	if (*zl < (WCD937X_ZDET_VAL_32 / 1000))
1787 		wcd937x_mbhc_zdet_ramp(component, &zdet_param[0], &z1ls, NULL, d1);
1788 	else
1789 		wcd937x_mbhc_zdet_ramp(component, &zdet_param[1], &z1ls, NULL, d1);
1790 	snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2,
1791 				      WCD937X_HPHPA_GND_R_MASK, 0);
1792 	snd_soc_component_write_field(component, WCD937X_HPH_R_ATEST,
1793 				      WCD937X_HPHPA_GND_OVR_MASK, 0);
1794 	z1ls /= 1000;
1795 	wcd937x_wcd_mbhc_qfuse_cal(component, &z1ls, 0);
1796 	/* Parallel of left Z and 9 ohm pull down resistor */
1797 	zMono = ((*zl) * 9) / ((*zl) + 9);
1798 	z_diff1 = (z1ls > zMono) ? (z1ls - zMono) : (zMono - z1ls);
1799 	z_diff2 = ((*zl) > z1ls) ? ((*zl) - z1ls) : (z1ls - (*zl));
1800 	if ((z_diff1 * (*zl + z1ls)) > (z_diff2 * (z1ls + zMono)))
1801 		wcd_mbhc_set_hph_type(wcd937x->wcd_mbhc, WCD_MBHC_HPH_STEREO);
1802 	else
1803 		wcd_mbhc_set_hph_type(wcd937x->wcd_mbhc, WCD_MBHC_HPH_MONO);
1804 
1805 	/* Enable surge protection again after impedance detection */
1806 	regmap_update_bits(wcd937x->regmap,
1807 			   WCD937X_HPH_SURGE_HPHLR_SURGE_EN, 0xC0, 0xC0);
1808 zdet_complete:
1809 	snd_soc_component_write(component, WCD937X_ANA_MBHC_BTN5, reg0);
1810 	snd_soc_component_write(component, WCD937X_ANA_MBHC_BTN6, reg1);
1811 	snd_soc_component_write(component, WCD937X_ANA_MBHC_BTN7, reg2);
1812 	/* Turn on 100k pull down on HPHL */
1813 	regmap_update_bits(wcd937x->regmap,
1814 			   WCD937X_ANA_MBHC_MECH, 0x01, 0x01);
1815 
1816 	/* For NO-jack, re-enable L_DET_EN after Z-det measurements */
1817 	if (wcd937x->mbhc_cfg.hphl_swh)
1818 		regmap_update_bits(wcd937x->regmap,
1819 				   WCD937X_ANA_MBHC_MECH, 0x80, 0x80);
1820 
1821 	snd_soc_component_write(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL, reg4);
1822 	snd_soc_component_write(component, WCD937X_MBHC_CTL_CLK, reg3);
1823 	if (is_fsm_disable)
1824 		regmap_update_bits(wcd937x->regmap,
1825 				   WCD937X_ANA_MBHC_ELECT, 0x80, 0x80);
1826 }
1827 
1828 static void wcd937x_mbhc_gnd_det_ctrl(struct snd_soc_component *component,
1829 				      bool enable)
1830 {
1831 	if (enable) {
1832 		snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH,
1833 					      WCD937X_MBHC_HSG_PULLUP_COMP_EN, 1);
1834 		snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH,
1835 					      WCD937X_MBHC_GND_DET_EN_MASK, 1);
1836 	} else {
1837 		snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH,
1838 					      WCD937X_MBHC_GND_DET_EN_MASK, 0);
1839 		snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH,
1840 					      WCD937X_MBHC_HSG_PULLUP_COMP_EN, 0);
1841 	}
1842 }
1843 
1844 static void wcd937x_mbhc_hph_pull_down_ctrl(struct snd_soc_component *component,
1845 					    bool enable)
1846 {
1847 	snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2,
1848 				      WCD937X_HPHPA_GND_R_MASK, enable);
1849 	snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2,
1850 				      WCD937X_HPHPA_GND_L_MASK, enable);
1851 }
1852 
1853 static void wcd937x_mbhc_moisture_config(struct snd_soc_component *component)
1854 {
1855 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1856 
1857 	if (wcd937x->mbhc_cfg.moist_rref == R_OFF) {
1858 		snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2,
1859 					      WCD937X_M_RTH_CTL_MASK, R_OFF);
1860 		return;
1861 	}
1862 
1863 	/* Do not enable moisture detection if jack type is NC */
1864 	if (!wcd937x->mbhc_cfg.hphl_swh) {
1865 		dev_err(component->dev, "%s: disable moisture detection for NC\n",
1866 			__func__);
1867 		snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2,
1868 					      WCD937X_M_RTH_CTL_MASK, R_OFF);
1869 		return;
1870 	}
1871 
1872 	snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2,
1873 				      WCD937X_M_RTH_CTL_MASK, wcd937x->mbhc_cfg.moist_rref);
1874 }
1875 
1876 static void wcd937x_mbhc_moisture_detect_en(struct snd_soc_component *component, bool enable)
1877 {
1878 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1879 
1880 	if (enable)
1881 		snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2,
1882 					      WCD937X_M_RTH_CTL_MASK, wcd937x->mbhc_cfg.moist_rref);
1883 	else
1884 		snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2,
1885 					      WCD937X_M_RTH_CTL_MASK, R_OFF);
1886 }
1887 
1888 static bool wcd937x_mbhc_get_moisture_status(struct snd_soc_component *component)
1889 {
1890 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1891 	bool ret = false;
1892 
1893 	if (wcd937x->mbhc_cfg.moist_rref == R_OFF) {
1894 		snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2,
1895 					      WCD937X_M_RTH_CTL_MASK, R_OFF);
1896 		goto done;
1897 	}
1898 
1899 	/* Do not enable moisture detection if jack type is NC */
1900 	if (!wcd937x->mbhc_cfg.hphl_swh) {
1901 		dev_err(component->dev, "%s: disable moisture detection for NC\n",
1902 			__func__);
1903 		snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2,
1904 					      WCD937X_M_RTH_CTL_MASK, R_OFF);
1905 		goto done;
1906 	}
1907 
1908 	/*
1909 	 * If moisture_en is already enabled, then skip to plug type
1910 	 * detection.
1911 	 */
1912 	if (snd_soc_component_read_field(component, WCD937X_MBHC_NEW_CTL_2, WCD937X_M_RTH_CTL_MASK))
1913 		goto done;
1914 
1915 	wcd937x_mbhc_moisture_detect_en(component, true);
1916 	/* Read moisture comparator status */
1917 	ret = ((snd_soc_component_read(component, WCD937X_MBHC_NEW_FSM_STATUS)
1918 				       & 0x20) ? 0 : 1);
1919 done:
1920 	return ret;
1921 }
1922 
1923 static void wcd937x_mbhc_moisture_polling_ctrl(struct snd_soc_component *component,
1924 					       bool enable)
1925 {
1926 	snd_soc_component_write_field(component,
1927 				      WCD937X_MBHC_NEW_INT_MOISTURE_DET_POLLING_CTRL,
1928 				      WCD937X_MOISTURE_EN_POLLING_MASK, enable);
1929 }
1930 
1931 static const struct wcd_mbhc_cb mbhc_cb = {
1932 	.clk_setup = wcd937x_mbhc_clk_setup,
1933 	.mbhc_bias = wcd937x_mbhc_mbhc_bias_control,
1934 	.set_btn_thr = wcd937x_mbhc_program_btn_thr,
1935 	.micbias_enable_status = wcd937x_mbhc_micb_en_status,
1936 	.hph_pull_up_control_v2 = wcd937x_mbhc_hph_l_pull_up_control,
1937 	.mbhc_micbias_control = wcd937x_mbhc_request_micbias,
1938 	.mbhc_micb_ramp_control = wcd937x_mbhc_micb_ramp_control,
1939 	.mbhc_micb_ctrl_thr_mic = wcd937x_mbhc_micb_ctrl_threshold_mic,
1940 	.compute_impedance = wcd937x_wcd_mbhc_calc_impedance,
1941 	.mbhc_gnd_det_ctrl = wcd937x_mbhc_gnd_det_ctrl,
1942 	.hph_pull_down_ctrl = wcd937x_mbhc_hph_pull_down_ctrl,
1943 	.mbhc_moisture_config = wcd937x_mbhc_moisture_config,
1944 	.mbhc_get_moisture_status = wcd937x_mbhc_get_moisture_status,
1945 	.mbhc_moisture_polling_ctrl = wcd937x_mbhc_moisture_polling_ctrl,
1946 	.mbhc_moisture_detect_en = wcd937x_mbhc_moisture_detect_en,
1947 };
1948 
1949 static int wcd937x_get_hph_type(struct snd_kcontrol *kcontrol,
1950 				struct snd_ctl_elem_value *ucontrol)
1951 {
1952 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1953 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1954 
1955 	ucontrol->value.integer.value[0] = wcd_mbhc_get_hph_type(wcd937x->wcd_mbhc);
1956 
1957 	return 0;
1958 }
1959 
1960 static int wcd937x_hph_impedance_get(struct snd_kcontrol *kcontrol,
1961 				     struct snd_ctl_elem_value *ucontrol)
1962 {
1963 	u32 zl, zr;
1964 	bool hphr;
1965 	struct soc_mixer_control *mc;
1966 	struct snd_soc_component *component =
1967 					snd_soc_kcontrol_component(kcontrol);
1968 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1969 
1970 	mc = (struct soc_mixer_control *)(kcontrol->private_value);
1971 	hphr = mc->shift;
1972 	wcd_mbhc_get_impedance(wcd937x->wcd_mbhc, &zl, &zr);
1973 	ucontrol->value.integer.value[0] = hphr ? zr : zl;
1974 
1975 	return 0;
1976 }
1977 
1978 static const struct snd_kcontrol_new hph_type_detect_controls[] = {
1979 	SOC_SINGLE_EXT("HPH Type", 0, 0, WCD_MBHC_HPH_STEREO, 0,
1980 		       wcd937x_get_hph_type, NULL),
1981 };
1982 
1983 static const struct snd_kcontrol_new impedance_detect_controls[] = {
1984 	SOC_SINGLE_EXT("HPHL Impedance", 0, 0, INT_MAX, 0,
1985 		       wcd937x_hph_impedance_get, NULL),
1986 	SOC_SINGLE_EXT("HPHR Impedance", 0, 1, INT_MAX, 0,
1987 		       wcd937x_hph_impedance_get, NULL),
1988 };
1989 
1990 static int wcd937x_mbhc_init(struct snd_soc_component *component)
1991 {
1992 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
1993 	struct wcd_mbhc_intr *intr_ids = &wcd937x->intr_ids;
1994 
1995 	intr_ids->mbhc_sw_intr = regmap_irq_get_virq(wcd937x->irq_chip,
1996 						     WCD937X_IRQ_MBHC_SW_DET);
1997 	intr_ids->mbhc_btn_press_intr = regmap_irq_get_virq(wcd937x->irq_chip,
1998 							    WCD937X_IRQ_MBHC_BUTTON_PRESS_DET);
1999 	intr_ids->mbhc_btn_release_intr = regmap_irq_get_virq(wcd937x->irq_chip,
2000 							      WCD937X_IRQ_MBHC_BUTTON_RELEASE_DET);
2001 	intr_ids->mbhc_hs_ins_intr = regmap_irq_get_virq(wcd937x->irq_chip,
2002 							 WCD937X_IRQ_MBHC_ELECT_INS_REM_LEG_DET);
2003 	intr_ids->mbhc_hs_rem_intr = regmap_irq_get_virq(wcd937x->irq_chip,
2004 							 WCD937X_IRQ_MBHC_ELECT_INS_REM_DET);
2005 	intr_ids->hph_left_ocp = regmap_irq_get_virq(wcd937x->irq_chip,
2006 						     WCD937X_IRQ_HPHL_OCP_INT);
2007 	intr_ids->hph_right_ocp = regmap_irq_get_virq(wcd937x->irq_chip,
2008 						      WCD937X_IRQ_HPHR_OCP_INT);
2009 
2010 	wcd937x->wcd_mbhc = wcd_mbhc_init(component, &mbhc_cb, intr_ids, wcd_mbhc_fields, true);
2011 	if (IS_ERR(wcd937x->wcd_mbhc))
2012 		return PTR_ERR(wcd937x->wcd_mbhc);
2013 
2014 	snd_soc_add_component_controls(component, impedance_detect_controls,
2015 				       ARRAY_SIZE(impedance_detect_controls));
2016 	snd_soc_add_component_controls(component, hph_type_detect_controls,
2017 				       ARRAY_SIZE(hph_type_detect_controls));
2018 
2019 	return 0;
2020 }
2021 
2022 static void wcd937x_mbhc_deinit(struct snd_soc_component *component)
2023 {
2024 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
2025 
2026 	wcd_mbhc_deinit(wcd937x->wcd_mbhc);
2027 }
2028 
2029 /* END MBHC */
2030 
2031 static const struct snd_kcontrol_new wcd937x_snd_controls[] = {
2032 	SOC_SINGLE_TLV("EAR_PA Volume", WCD937X_ANA_EAR_COMPANDER_CTL,
2033 		       2, 0x10, 0, ear_pa_gain),
2034 	SOC_ENUM_EXT("RX HPH Mode", rx_hph_mode_mux_enum,
2035 		     wcd937x_rx_hph_mode_get, wcd937x_rx_hph_mode_put),
2036 
2037 	SOC_SINGLE_EXT("HPHL_COMP Switch", SND_SOC_NOPM, 0, 1, 0,
2038 		       wcd937x_get_compander, wcd937x_set_compander),
2039 	SOC_SINGLE_EXT("HPHR_COMP Switch", SND_SOC_NOPM, 1, 1, 0,
2040 		       wcd937x_get_compander, wcd937x_set_compander),
2041 
2042 	SOC_SINGLE_TLV("HPHL Volume", WCD937X_HPH_L_EN, 0, 20, 1, line_gain),
2043 	SOC_SINGLE_TLV("HPHR Volume", WCD937X_HPH_R_EN, 0, 20, 1, line_gain),
2044 	SOC_SINGLE_TLV("ADC1 Volume", WCD937X_ANA_TX_CH1, 0, 20, 0, analog_gain),
2045 	SOC_SINGLE_TLV("ADC2 Volume", WCD937X_ANA_TX_CH2, 0, 20, 0, analog_gain),
2046 	SOC_SINGLE_TLV("ADC3 Volume", WCD937X_ANA_TX_CH3, 0, 20, 0, analog_gain),
2047 
2048 	SOC_SINGLE_EXT("HPHL Switch", WCD937X_HPH_L, 0, 1, 0,
2049 		       wcd937x_get_swr_port, wcd937x_set_swr_port),
2050 	SOC_SINGLE_EXT("HPHR Switch", WCD937X_HPH_R, 0, 1, 0,
2051 		       wcd937x_get_swr_port, wcd937x_set_swr_port),
2052 
2053 	SOC_SINGLE_EXT("ADC1 Switch", WCD937X_ADC1, 1, 1, 0,
2054 		       wcd937x_get_swr_port, wcd937x_set_swr_port),
2055 	SOC_SINGLE_EXT("ADC2 Switch", WCD937X_ADC2, 1, 1, 0,
2056 		       wcd937x_get_swr_port, wcd937x_set_swr_port),
2057 	SOC_SINGLE_EXT("ADC3 Switch", WCD937X_ADC3, 1, 1, 0,
2058 		       wcd937x_get_swr_port, wcd937x_set_swr_port),
2059 	SOC_SINGLE_EXT("DMIC0 Switch", WCD937X_DMIC0, 1, 1, 0,
2060 		       wcd937x_get_swr_port, wcd937x_set_swr_port),
2061 	SOC_SINGLE_EXT("DMIC1 Switch", WCD937X_DMIC1, 1, 1, 0,
2062 		       wcd937x_get_swr_port, wcd937x_set_swr_port),
2063 	SOC_SINGLE_EXT("MBHC Switch", WCD937X_MBHC, 1, 1, 0,
2064 		       wcd937x_get_swr_port, wcd937x_set_swr_port),
2065 	SOC_SINGLE_EXT("DMIC2 Switch", WCD937X_DMIC2, 1, 1, 0,
2066 		       wcd937x_get_swr_port, wcd937x_set_swr_port),
2067 	SOC_SINGLE_EXT("DMIC3 Switch", WCD937X_DMIC3, 1, 1, 0,
2068 		       wcd937x_get_swr_port, wcd937x_set_swr_port),
2069 	SOC_SINGLE_EXT("DMIC4 Switch", WCD937X_DMIC4, 1, 1, 0,
2070 		       wcd937x_get_swr_port, wcd937x_set_swr_port),
2071 	SOC_SINGLE_EXT("DMIC5 Switch", WCD937X_DMIC5, 1, 1, 0,
2072 		       wcd937x_get_swr_port, wcd937x_set_swr_port),
2073 };
2074 
2075 static const struct snd_kcontrol_new adc1_switch[] = {
2076 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
2077 };
2078 
2079 static const struct snd_kcontrol_new adc2_switch[] = {
2080 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
2081 };
2082 
2083 static const struct snd_kcontrol_new adc3_switch[] = {
2084 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
2085 };
2086 
2087 static const struct snd_kcontrol_new dmic1_switch[] = {
2088 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
2089 };
2090 
2091 static const struct snd_kcontrol_new dmic2_switch[] = {
2092 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
2093 };
2094 
2095 static const struct snd_kcontrol_new dmic3_switch[] = {
2096 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
2097 };
2098 
2099 static const struct snd_kcontrol_new dmic4_switch[] = {
2100 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
2101 };
2102 
2103 static const struct snd_kcontrol_new dmic5_switch[] = {
2104 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
2105 };
2106 
2107 static const struct snd_kcontrol_new dmic6_switch[] = {
2108 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
2109 };
2110 
2111 static const struct snd_kcontrol_new ear_rdac_switch[] = {
2112 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
2113 };
2114 
2115 static const struct snd_kcontrol_new aux_rdac_switch[] = {
2116 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
2117 };
2118 
2119 static const struct snd_kcontrol_new hphl_rdac_switch[] = {
2120 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
2121 };
2122 
2123 static const struct snd_kcontrol_new hphr_rdac_switch[] = {
2124 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
2125 };
2126 
2127 static const char * const adc2_mux_text[] = {
2128 	"INP2", "INP3"
2129 };
2130 
2131 static const char * const rdac3_mux_text[] = {
2132 	"RX1", "RX3"
2133 };
2134 
2135 static const struct soc_enum adc2_enum =
2136 	SOC_ENUM_SINGLE(WCD937X_TX_NEW_TX_CH2_SEL, 7,
2137 			ARRAY_SIZE(adc2_mux_text), adc2_mux_text);
2138 
2139 static const struct soc_enum rdac3_enum =
2140 	SOC_ENUM_SINGLE(WCD937X_DIGITAL_CDC_EAR_PATH_CTL, 0,
2141 			ARRAY_SIZE(rdac3_mux_text), rdac3_mux_text);
2142 
2143 static const struct snd_kcontrol_new tx_adc2_mux = SOC_DAPM_ENUM("ADC2 MUX Mux", adc2_enum);
2144 
2145 static const struct snd_kcontrol_new rx_rdac3_mux = SOC_DAPM_ENUM("RDAC3_MUX Mux", rdac3_enum);
2146 
2147 static const struct snd_soc_dapm_widget wcd937x_dapm_widgets[] = {
2148 	/* Input widgets */
2149 	SND_SOC_DAPM_INPUT("AMIC1"),
2150 	SND_SOC_DAPM_INPUT("AMIC2"),
2151 	SND_SOC_DAPM_INPUT("AMIC3"),
2152 	SND_SOC_DAPM_INPUT("IN1_HPHL"),
2153 	SND_SOC_DAPM_INPUT("IN2_HPHR"),
2154 	SND_SOC_DAPM_INPUT("IN3_AUX"),
2155 
2156 	/* TX widgets */
2157 	SND_SOC_DAPM_ADC_E("ADC1", NULL, SND_SOC_NOPM, 0, 0,
2158 			   wcd937x_codec_enable_adc,
2159 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2160 	SND_SOC_DAPM_ADC_E("ADC2", NULL, SND_SOC_NOPM, 1, 0,
2161 			   wcd937x_codec_enable_adc,
2162 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2163 
2164 	SND_SOC_DAPM_MIXER_E("ADC1 REQ", SND_SOC_NOPM, 0, 0,
2165 			     NULL, 0, wcd937x_enable_req,
2166 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2167 	SND_SOC_DAPM_MIXER_E("ADC2 REQ", SND_SOC_NOPM, 0, 0,
2168 			     NULL, 0, wcd937x_enable_req,
2169 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2170 
2171 	SND_SOC_DAPM_MUX("ADC2 MUX", SND_SOC_NOPM, 0, 0, &tx_adc2_mux),
2172 
2173 	/* TX mixers */
2174 	SND_SOC_DAPM_MIXER_E("ADC1_MIXER", SND_SOC_NOPM, 0, 0,
2175 			     adc1_switch, ARRAY_SIZE(adc1_switch),
2176 			     wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
2177 			     SND_SOC_DAPM_POST_PMD),
2178 	SND_SOC_DAPM_MIXER_E("ADC2_MIXER", SND_SOC_NOPM, 1, 0,
2179 			     adc2_switch, ARRAY_SIZE(adc2_switch),
2180 			     wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
2181 			     SND_SOC_DAPM_POST_PMD),
2182 
2183 	/* MIC_BIAS widgets */
2184 	SND_SOC_DAPM_SUPPLY("MIC BIAS1", SND_SOC_NOPM, MIC_BIAS_1, 0,
2185 			    wcd937x_codec_enable_micbias,
2186 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2187 			    SND_SOC_DAPM_POST_PMD),
2188 	SND_SOC_DAPM_SUPPLY("MIC BIAS2", SND_SOC_NOPM, MIC_BIAS_2, 0,
2189 			    wcd937x_codec_enable_micbias,
2190 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2191 			    SND_SOC_DAPM_POST_PMD),
2192 	SND_SOC_DAPM_SUPPLY("MIC BIAS3", SND_SOC_NOPM, MIC_BIAS_3, 0,
2193 			    wcd937x_codec_enable_micbias,
2194 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2195 			    SND_SOC_DAPM_POST_PMD),
2196 
2197 	SND_SOC_DAPM_SUPPLY("VDD_BUCK", SND_SOC_NOPM, 0, 0, NULL, 0),
2198 	SND_SOC_DAPM_SUPPLY_S("CLS_H_PORT", 1, SND_SOC_NOPM, 0, 0, NULL, 0),
2199 
2200 	/* RX widgets */
2201 	SND_SOC_DAPM_PGA_E("EAR PGA", WCD937X_ANA_EAR, 7, 0, NULL, 0,
2202 			   wcd937x_codec_enable_ear_pa,
2203 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2204 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2205 	SND_SOC_DAPM_PGA_E("AUX PGA", WCD937X_AUX_AUXPA, 7, 0, NULL, 0,
2206 			   wcd937x_codec_enable_aux_pa,
2207 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2208 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2209 	SND_SOC_DAPM_PGA_E("HPHL PGA", WCD937X_ANA_HPH, 7, 0, NULL, 0,
2210 			   wcd937x_codec_enable_hphl_pa,
2211 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2212 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2213 	SND_SOC_DAPM_PGA_E("HPHR PGA", WCD937X_ANA_HPH, 6, 0, NULL, 0,
2214 			   wcd937x_codec_enable_hphr_pa,
2215 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2216 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2217 
2218 	SND_SOC_DAPM_DAC_E("RDAC1", NULL, SND_SOC_NOPM, 0, 0,
2219 			   wcd937x_codec_hphl_dac_event,
2220 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2221 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2222 	SND_SOC_DAPM_DAC_E("RDAC2", NULL, SND_SOC_NOPM, 0, 0,
2223 			   wcd937x_codec_hphr_dac_event,
2224 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2225 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2226 	SND_SOC_DAPM_DAC_E("RDAC3", NULL, SND_SOC_NOPM, 0, 0,
2227 			   wcd937x_codec_ear_dac_event,
2228 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2229 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2230 	SND_SOC_DAPM_DAC_E("RDAC4", NULL, SND_SOC_NOPM, 0, 0,
2231 			   wcd937x_codec_aux_dac_event,
2232 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2233 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2234 
2235 	SND_SOC_DAPM_MUX("RDAC3_MUX", SND_SOC_NOPM, 0, 0, &rx_rdac3_mux),
2236 
2237 	SND_SOC_DAPM_MIXER_E("RX1", SND_SOC_NOPM, 0, 0, NULL, 0,
2238 			     wcd937x_enable_rx1, SND_SOC_DAPM_PRE_PMU |
2239 			     SND_SOC_DAPM_POST_PMD),
2240 	SND_SOC_DAPM_MIXER_E("RX2", SND_SOC_NOPM, 0, 0, NULL, 0,
2241 			     wcd937x_enable_rx2, SND_SOC_DAPM_PRE_PMU |
2242 			     SND_SOC_DAPM_POST_PMD),
2243 	SND_SOC_DAPM_MIXER_E("RX3", SND_SOC_NOPM, 0, 0, NULL, 0,
2244 			     wcd937x_enable_rx3, SND_SOC_DAPM_PRE_PMU |
2245 			     SND_SOC_DAPM_POST_PMD),
2246 
2247 	/* RX mixer widgets*/
2248 	SND_SOC_DAPM_MIXER("EAR_RDAC", SND_SOC_NOPM, 0, 0,
2249 			   ear_rdac_switch, ARRAY_SIZE(ear_rdac_switch)),
2250 	SND_SOC_DAPM_MIXER("AUX_RDAC", SND_SOC_NOPM, 0, 0,
2251 			   aux_rdac_switch, ARRAY_SIZE(aux_rdac_switch)),
2252 	SND_SOC_DAPM_MIXER("HPHL_RDAC", SND_SOC_NOPM, 0, 0,
2253 			   hphl_rdac_switch, ARRAY_SIZE(hphl_rdac_switch)),
2254 	SND_SOC_DAPM_MIXER("HPHR_RDAC", SND_SOC_NOPM, 0, 0,
2255 			   hphr_rdac_switch, ARRAY_SIZE(hphr_rdac_switch)),
2256 
2257 	/* TX output widgets */
2258 	SND_SOC_DAPM_OUTPUT("ADC1_OUTPUT"),
2259 	SND_SOC_DAPM_OUTPUT("ADC2_OUTPUT"),
2260 	SND_SOC_DAPM_OUTPUT("ADC3_OUTPUT"),
2261 	SND_SOC_DAPM_OUTPUT("WCD_TX_OUTPUT"),
2262 
2263 	/* RX output widgets */
2264 	SND_SOC_DAPM_OUTPUT("EAR"),
2265 	SND_SOC_DAPM_OUTPUT("AUX"),
2266 	SND_SOC_DAPM_OUTPUT("HPHL"),
2267 	SND_SOC_DAPM_OUTPUT("HPHR"),
2268 
2269 	/* MIC_BIAS pull up widgets */
2270 	SND_SOC_DAPM_SUPPLY("VA MIC BIAS1", SND_SOC_NOPM, MIC_BIAS_1, 0,
2271 			    wcd937x_codec_enable_micbias_pullup,
2272 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2273 			    SND_SOC_DAPM_POST_PMD),
2274 	SND_SOC_DAPM_SUPPLY("VA MIC BIAS2", SND_SOC_NOPM, MIC_BIAS_2, 0,
2275 			    wcd937x_codec_enable_micbias_pullup,
2276 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2277 			    SND_SOC_DAPM_POST_PMD),
2278 	SND_SOC_DAPM_SUPPLY("VA MIC BIAS3", SND_SOC_NOPM, MIC_BIAS_3, 0,
2279 			    wcd937x_codec_enable_micbias_pullup,
2280 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2281 			    SND_SOC_DAPM_POST_PMD),
2282 };
2283 
2284 static const struct snd_soc_dapm_widget wcd9375_dapm_widgets[] = {
2285 	/* Input widgets */
2286 	SND_SOC_DAPM_INPUT("AMIC4"),
2287 
2288 	/* TX widgets */
2289 	SND_SOC_DAPM_ADC_E("ADC3", NULL, SND_SOC_NOPM, 2, 0,
2290 			   wcd937x_codec_enable_adc,
2291 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2292 
2293 	SND_SOC_DAPM_MIXER_E("ADC3 REQ", SND_SOC_NOPM, 0, 0,
2294 			     NULL, 0, wcd937x_enable_req,
2295 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2296 
2297 	SND_SOC_DAPM_ADC_E("DMIC1", NULL, SND_SOC_NOPM, 0, 0,
2298 			   wcd937x_codec_enable_dmic,
2299 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2300 	SND_SOC_DAPM_ADC_E("DMIC2", NULL, SND_SOC_NOPM, 1, 0,
2301 			   wcd937x_codec_enable_dmic,
2302 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2303 	SND_SOC_DAPM_ADC_E("DMIC3", NULL, SND_SOC_NOPM, 2, 0,
2304 			   wcd937x_codec_enable_dmic,
2305 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2306 	SND_SOC_DAPM_ADC_E("DMIC4", NULL, SND_SOC_NOPM, 3, 0,
2307 			   wcd937x_codec_enable_dmic,
2308 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2309 	SND_SOC_DAPM_ADC_E("DMIC5", NULL, SND_SOC_NOPM, 4, 0,
2310 			   wcd937x_codec_enable_dmic,
2311 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2312 	SND_SOC_DAPM_ADC_E("DMIC6", NULL, SND_SOC_NOPM, 5, 0,
2313 			   wcd937x_codec_enable_dmic,
2314 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2315 
2316 	/* TX mixer widgets */
2317 	SND_SOC_DAPM_MIXER_E("DMIC1_MIXER", SND_SOC_NOPM, 0,
2318 			     0, dmic1_switch, ARRAY_SIZE(dmic1_switch),
2319 			     wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
2320 			     SND_SOC_DAPM_POST_PMD),
2321 	SND_SOC_DAPM_MIXER_E("DMIC2_MIXER", SND_SOC_NOPM, 1,
2322 			     0, dmic2_switch, ARRAY_SIZE(dmic2_switch),
2323 			     wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
2324 			     SND_SOC_DAPM_POST_PMD),
2325 	SND_SOC_DAPM_MIXER_E("DMIC3_MIXER", SND_SOC_NOPM, 2,
2326 			     0, dmic3_switch, ARRAY_SIZE(dmic3_switch),
2327 			     wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
2328 			     SND_SOC_DAPM_POST_PMD),
2329 	SND_SOC_DAPM_MIXER_E("DMIC4_MIXER", SND_SOC_NOPM, 3,
2330 			     0, dmic4_switch, ARRAY_SIZE(dmic4_switch),
2331 			     wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
2332 			     SND_SOC_DAPM_POST_PMD),
2333 	SND_SOC_DAPM_MIXER_E("DMIC5_MIXER", SND_SOC_NOPM, 4,
2334 			     0, dmic5_switch, ARRAY_SIZE(dmic5_switch),
2335 			     wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
2336 			     SND_SOC_DAPM_POST_PMD),
2337 	SND_SOC_DAPM_MIXER_E("DMIC6_MIXER", SND_SOC_NOPM, 5,
2338 			     0, dmic6_switch, ARRAY_SIZE(dmic6_switch),
2339 			     wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
2340 			     SND_SOC_DAPM_POST_PMD),
2341 	SND_SOC_DAPM_MIXER_E("ADC3_MIXER", SND_SOC_NOPM, 2, 0, adc3_switch,
2342 			     ARRAY_SIZE(adc3_switch), wcd937x_tx_swr_ctrl,
2343 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2344 
2345 	/* Output widgets */
2346 	SND_SOC_DAPM_OUTPUT("DMIC1_OUTPUT"),
2347 	SND_SOC_DAPM_OUTPUT("DMIC2_OUTPUT"),
2348 	SND_SOC_DAPM_OUTPUT("DMIC3_OUTPUT"),
2349 	SND_SOC_DAPM_OUTPUT("DMIC4_OUTPUT"),
2350 	SND_SOC_DAPM_OUTPUT("DMIC5_OUTPUT"),
2351 	SND_SOC_DAPM_OUTPUT("DMIC6_OUTPUT"),
2352 };
2353 
2354 static const struct snd_soc_dapm_route wcd937x_audio_map[] = {
2355 	{ "ADC1_OUTPUT", NULL, "ADC1_MIXER" },
2356 	{ "ADC1_MIXER", "Switch", "ADC1 REQ" },
2357 	{ "ADC1 REQ", NULL, "ADC1" },
2358 	{ "ADC1", NULL, "AMIC1" },
2359 
2360 	{ "ADC2_OUTPUT", NULL, "ADC2_MIXER" },
2361 	{ "ADC2_MIXER", "Switch", "ADC2 REQ" },
2362 	{ "ADC2 REQ", NULL, "ADC2" },
2363 	{ "ADC2", NULL, "ADC2 MUX" },
2364 	{ "ADC2 MUX", "INP3", "AMIC3" },
2365 	{ "ADC2 MUX", "INP2", "AMIC2" },
2366 
2367 	{ "IN1_HPHL", NULL, "VDD_BUCK" },
2368 	{ "IN1_HPHL", NULL, "CLS_H_PORT" },
2369 	{ "RX1", NULL, "IN1_HPHL" },
2370 	{ "RDAC1", NULL, "RX1" },
2371 	{ "HPHL_RDAC", "Switch", "RDAC1" },
2372 	{ "HPHL PGA", NULL, "HPHL_RDAC" },
2373 	{ "HPHL", NULL, "HPHL PGA" },
2374 
2375 	{ "IN2_HPHR", NULL, "VDD_BUCK" },
2376 	{ "IN2_HPHR", NULL, "CLS_H_PORT" },
2377 	{ "RX2", NULL, "IN2_HPHR" },
2378 	{ "RDAC2", NULL, "RX2" },
2379 	{ "HPHR_RDAC", "Switch", "RDAC2" },
2380 	{ "HPHR PGA", NULL, "HPHR_RDAC" },
2381 	{ "HPHR", NULL, "HPHR PGA" },
2382 
2383 	{ "IN3_AUX", NULL, "VDD_BUCK" },
2384 	{ "IN3_AUX", NULL, "CLS_H_PORT" },
2385 	{ "RX3", NULL, "IN3_AUX" },
2386 	{ "RDAC4", NULL, "RX3" },
2387 	{ "AUX_RDAC", "Switch", "RDAC4" },
2388 	{ "AUX PGA", NULL, "AUX_RDAC" },
2389 	{ "AUX", NULL, "AUX PGA" },
2390 
2391 	{ "RDAC3_MUX", "RX3", "RX3" },
2392 	{ "RDAC3_MUX", "RX1", "RX1" },
2393 	{ "RDAC3", NULL, "RDAC3_MUX" },
2394 	{ "EAR_RDAC", "Switch", "RDAC3" },
2395 	{ "EAR PGA", NULL, "EAR_RDAC" },
2396 	{ "EAR", NULL, "EAR PGA" },
2397 };
2398 
2399 static const struct snd_soc_dapm_route wcd9375_audio_map[] = {
2400 	{ "ADC3_OUTPUT", NULL, "ADC3_MIXER" },
2401 	{ "ADC3_OUTPUT", NULL, "ADC3_MIXER" },
2402 	{ "ADC3_MIXER", "Switch", "ADC3 REQ" },
2403 	{ "ADC3 REQ", NULL, "ADC3" },
2404 	{ "ADC3", NULL, "AMIC4" },
2405 
2406 	{ "DMIC1_OUTPUT", NULL, "DMIC1_MIXER" },
2407 	{ "DMIC1_MIXER", "Switch", "DMIC1" },
2408 
2409 	{ "DMIC2_OUTPUT", NULL, "DMIC2_MIXER" },
2410 	{ "DMIC2_MIXER", "Switch", "DMIC2" },
2411 
2412 	{ "DMIC3_OUTPUT", NULL, "DMIC3_MIXER" },
2413 	{ "DMIC3_MIXER", "Switch", "DMIC3" },
2414 
2415 	{ "DMIC4_OUTPUT", NULL, "DMIC4_MIXER" },
2416 	{ "DMIC4_MIXER", "Switch", "DMIC4" },
2417 
2418 	{ "DMIC5_OUTPUT", NULL, "DMIC5_MIXER" },
2419 	{ "DMIC5_MIXER", "Switch", "DMIC5" },
2420 
2421 	{ "DMIC6_OUTPUT", NULL, "DMIC6_MIXER" },
2422 	{ "DMIC6_MIXER", "Switch", "DMIC6" },
2423 };
2424 
2425 static int wcd937x_set_micbias_data(struct wcd937x_priv *wcd937x)
2426 {
2427 	int vout_ctl[3];
2428 
2429 	/* Set micbias voltage */
2430 	vout_ctl[0] = wcd937x_get_micb_vout_ctl_val(wcd937x->micb1_mv);
2431 	vout_ctl[1] = wcd937x_get_micb_vout_ctl_val(wcd937x->micb2_mv);
2432 	vout_ctl[2] = wcd937x_get_micb_vout_ctl_val(wcd937x->micb3_mv);
2433 	if ((vout_ctl[0] | vout_ctl[1] | vout_ctl[2]) < 0)
2434 		return -EINVAL;
2435 
2436 	regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB1, WCD937X_ANA_MICB_VOUT, vout_ctl[0]);
2437 	regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB2, WCD937X_ANA_MICB_VOUT, vout_ctl[1]);
2438 	regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB3, WCD937X_ANA_MICB_VOUT, vout_ctl[2]);
2439 
2440 	return 0;
2441 }
2442 
2443 static irqreturn_t wcd937x_wd_handle_irq(int irq, void *data)
2444 {
2445 	return IRQ_HANDLED;
2446 }
2447 
2448 static const struct irq_chip wcd_irq_chip = {
2449 	.name = "WCD937x",
2450 };
2451 
2452 static int wcd_irq_chip_map(struct irq_domain *irqd, unsigned int virq,
2453 			    irq_hw_number_t hw)
2454 {
2455 	irq_set_chip_and_handler(virq, &wcd_irq_chip, handle_simple_irq);
2456 	irq_set_nested_thread(virq, 1);
2457 	irq_set_noprobe(virq);
2458 
2459 	return 0;
2460 }
2461 
2462 static const struct irq_domain_ops wcd_domain_ops = {
2463 	.map = wcd_irq_chip_map,
2464 };
2465 
2466 static int wcd937x_irq_init(struct wcd937x_priv *wcd, struct device *dev)
2467 {
2468 	wcd->virq = irq_domain_add_linear(NULL, 1, &wcd_domain_ops, NULL);
2469 	if (!(wcd->virq)) {
2470 		dev_err(dev, "%s: Failed to add IRQ domain\n", __func__);
2471 		return -EINVAL;
2472 	}
2473 
2474 	return devm_regmap_add_irq_chip(dev, wcd->regmap,
2475 					irq_create_mapping(wcd->virq, 0),
2476 					IRQF_ONESHOT, 0, &wcd937x_regmap_irq_chip,
2477 					&wcd->irq_chip);
2478 }
2479 
2480 static int wcd937x_soc_codec_probe(struct snd_soc_component *component)
2481 {
2482 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
2483 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
2484 	struct sdw_slave *tx_sdw_dev = wcd937x->tx_sdw_dev;
2485 	struct device *dev = component->dev;
2486 	unsigned long time_left;
2487 	int i, ret;
2488 	u32 chipid;
2489 
2490 	time_left = wait_for_completion_timeout(&tx_sdw_dev->initialization_complete,
2491 						msecs_to_jiffies(5000));
2492 	if (!time_left) {
2493 		dev_err(dev, "soundwire device init timeout\n");
2494 		return -ETIMEDOUT;
2495 	}
2496 
2497 	snd_soc_component_init_regmap(component, wcd937x->regmap);
2498 	ret = pm_runtime_resume_and_get(dev);
2499 	if (ret < 0)
2500 		return ret;
2501 
2502 	chipid = (snd_soc_component_read(component,
2503 					 WCD937X_DIGITAL_EFUSE_REG_0) & 0x1e) >> 1;
2504 	if (chipid != CHIPID_WCD9370 && chipid != CHIPID_WCD9375) {
2505 		dev_err(dev, "Got unknown chip id: 0x%x\n", chipid);
2506 		pm_runtime_put(dev);
2507 		return -EINVAL;
2508 	}
2509 
2510 	wcd937x->clsh_info = wcd_clsh_ctrl_alloc(component, WCD937X);
2511 	if (IS_ERR(wcd937x->clsh_info)) {
2512 		pm_runtime_put(dev);
2513 		return PTR_ERR(wcd937x->clsh_info);
2514 	}
2515 
2516 	wcd937x_io_init(wcd937x->regmap);
2517 	/* Set all interrupts as edge triggered */
2518 	for (i = 0; i < wcd937x_regmap_irq_chip.num_regs; i++)
2519 		regmap_write(wcd937x->regmap, (WCD937X_DIGITAL_INTR_LEVEL_0 + i), 0);
2520 
2521 	pm_runtime_put(dev);
2522 
2523 	wcd937x->hphr_pdm_wd_int = regmap_irq_get_virq(wcd937x->irq_chip,
2524 						       WCD937X_IRQ_HPHR_PDM_WD_INT);
2525 	wcd937x->hphl_pdm_wd_int = regmap_irq_get_virq(wcd937x->irq_chip,
2526 						       WCD937X_IRQ_HPHL_PDM_WD_INT);
2527 	wcd937x->aux_pdm_wd_int = regmap_irq_get_virq(wcd937x->irq_chip,
2528 						      WCD937X_IRQ_AUX_PDM_WD_INT);
2529 
2530 	/* Request for watchdog interrupt */
2531 	ret = devm_request_threaded_irq(dev, wcd937x->hphr_pdm_wd_int, NULL, wcd937x_wd_handle_irq,
2532 					IRQF_ONESHOT | IRQF_TRIGGER_RISING,
2533 					"HPHR PDM WDOG INT", wcd937x);
2534 	if (ret)
2535 		dev_err(dev, "Failed to request HPHR watchdog interrupt (%d)\n", ret);
2536 
2537 	ret = devm_request_threaded_irq(dev, wcd937x->hphl_pdm_wd_int, NULL, wcd937x_wd_handle_irq,
2538 					IRQF_ONESHOT | IRQF_TRIGGER_RISING,
2539 					"HPHL PDM WDOG INT", wcd937x);
2540 	if (ret)
2541 		dev_err(dev, "Failed to request HPHL watchdog interrupt (%d)\n", ret);
2542 
2543 	ret = devm_request_threaded_irq(dev, wcd937x->aux_pdm_wd_int, NULL, wcd937x_wd_handle_irq,
2544 					IRQF_ONESHOT | IRQF_TRIGGER_RISING,
2545 					"AUX PDM WDOG INT", wcd937x);
2546 	if (ret)
2547 		dev_err(dev, "Failed to request Aux watchdog interrupt (%d)\n", ret);
2548 
2549 	/* Disable watchdog interrupt for HPH and AUX */
2550 	disable_irq_nosync(wcd937x->hphr_pdm_wd_int);
2551 	disable_irq_nosync(wcd937x->hphl_pdm_wd_int);
2552 	disable_irq_nosync(wcd937x->aux_pdm_wd_int);
2553 
2554 	if (chipid == CHIPID_WCD9375) {
2555 		ret = snd_soc_dapm_new_controls(dapm, wcd9375_dapm_widgets,
2556 						ARRAY_SIZE(wcd9375_dapm_widgets));
2557 		if (ret < 0) {
2558 			dev_err(component->dev, "Failed to add snd_ctls\n");
2559 			return ret;
2560 		}
2561 
2562 		ret = snd_soc_dapm_add_routes(dapm, wcd9375_audio_map,
2563 					      ARRAY_SIZE(wcd9375_audio_map));
2564 		if (ret < 0) {
2565 			dev_err(component->dev, "Failed to add routes\n");
2566 			return ret;
2567 		}
2568 	}
2569 
2570 	ret = wcd937x_mbhc_init(component);
2571 	if (ret)
2572 		dev_err(component->dev, "mbhc initialization failed\n");
2573 
2574 	return ret;
2575 }
2576 
2577 static void wcd937x_soc_codec_remove(struct snd_soc_component *component)
2578 {
2579 	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
2580 
2581 	wcd937x_mbhc_deinit(component);
2582 	free_irq(wcd937x->aux_pdm_wd_int, wcd937x);
2583 	free_irq(wcd937x->hphl_pdm_wd_int, wcd937x);
2584 	free_irq(wcd937x->hphr_pdm_wd_int, wcd937x);
2585 
2586 	wcd_clsh_ctrl_free(wcd937x->clsh_info);
2587 }
2588 
2589 static int wcd937x_codec_set_jack(struct snd_soc_component *comp,
2590 				  struct snd_soc_jack *jack, void *data)
2591 {
2592 	struct wcd937x_priv *wcd = dev_get_drvdata(comp->dev);
2593 	int ret = 0;
2594 
2595 	if (jack)
2596 		ret = wcd_mbhc_start(wcd->wcd_mbhc, &wcd->mbhc_cfg, jack);
2597 	else
2598 		wcd_mbhc_stop(wcd->wcd_mbhc);
2599 
2600 	return ret;
2601 }
2602 
2603 static const struct snd_soc_component_driver soc_codec_dev_wcd937x = {
2604 	.name = "wcd937x_codec",
2605 	.probe = wcd937x_soc_codec_probe,
2606 	.remove = wcd937x_soc_codec_remove,
2607 	.controls = wcd937x_snd_controls,
2608 	.num_controls = ARRAY_SIZE(wcd937x_snd_controls),
2609 	.dapm_widgets = wcd937x_dapm_widgets,
2610 	.num_dapm_widgets = ARRAY_SIZE(wcd937x_dapm_widgets),
2611 	.dapm_routes = wcd937x_audio_map,
2612 	.num_dapm_routes = ARRAY_SIZE(wcd937x_audio_map),
2613 	.set_jack = wcd937x_codec_set_jack,
2614 	.endianness = 1,
2615 };
2616 
2617 static void wcd937x_dt_parse_micbias_info(struct device *dev, struct wcd937x_priv *wcd)
2618 {
2619 	struct device_node *np = dev->of_node;
2620 	u32 prop_val = 0;
2621 	int ret = 0;
2622 
2623 	ret = of_property_read_u32(np, "qcom,micbias1-microvolt", &prop_val);
2624 	if (!ret)
2625 		wcd->micb1_mv = prop_val / 1000;
2626 	else
2627 		dev_warn(dev, "Micbias1 DT property not found\n");
2628 
2629 	ret = of_property_read_u32(np, "qcom,micbias2-microvolt", &prop_val);
2630 	if (!ret)
2631 		wcd->micb2_mv = prop_val / 1000;
2632 	else
2633 		dev_warn(dev, "Micbias2 DT property not found\n");
2634 
2635 	ret = of_property_read_u32(np, "qcom,micbias3-microvolt", &prop_val);
2636 	if (!ret)
2637 		wcd->micb3_mv = prop_val / 1000;
2638 	else
2639 		dev_warn(dev, "Micbias3 DT property not found\n");
2640 }
2641 
2642 static bool wcd937x_swap_gnd_mic(struct snd_soc_component *component, bool active)
2643 {
2644 	int value;
2645 	struct wcd937x_priv *wcd937x;
2646 
2647 	wcd937x = snd_soc_component_get_drvdata(component);
2648 
2649 	value = gpiod_get_value(wcd937x->us_euro_gpio);
2650 	gpiod_set_value(wcd937x->us_euro_gpio, !value);
2651 
2652 	return true;
2653 }
2654 
2655 static int wcd937x_codec_hw_params(struct snd_pcm_substream *substream,
2656 				   struct snd_pcm_hw_params *params,
2657 				   struct snd_soc_dai *dai)
2658 {
2659 	struct wcd937x_priv *wcd937x = dev_get_drvdata(dai->dev);
2660 	struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[dai->id];
2661 
2662 	return wcd937x_sdw_hw_params(wcd, substream, params, dai);
2663 }
2664 
2665 static int wcd937x_codec_free(struct snd_pcm_substream *substream,
2666 			      struct snd_soc_dai *dai)
2667 {
2668 	struct wcd937x_priv *wcd937x = dev_get_drvdata(dai->dev);
2669 	struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[dai->id];
2670 
2671 	return sdw_stream_remove_slave(wcd->sdev, wcd->sruntime);
2672 }
2673 
2674 static int wcd937x_codec_set_sdw_stream(struct snd_soc_dai *dai,
2675 					void *stream, int direction)
2676 {
2677 	struct wcd937x_priv *wcd937x = dev_get_drvdata(dai->dev);
2678 	struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[dai->id];
2679 
2680 	wcd->sruntime = stream;
2681 
2682 	return 0;
2683 }
2684 
2685 static const struct snd_soc_dai_ops wcd937x_sdw_dai_ops = {
2686 	.hw_params = wcd937x_codec_hw_params,
2687 	.hw_free = wcd937x_codec_free,
2688 	.set_stream = wcd937x_codec_set_sdw_stream,
2689 };
2690 
2691 static struct snd_soc_dai_driver wcd937x_dais[] = {
2692 	[0] = {
2693 		.name = "wcd937x-sdw-rx",
2694 		.playback = {
2695 			.stream_name = "WCD AIF Playback",
2696 			.rates = WCD937X_RATES | WCD937X_FRAC_RATES,
2697 			.formats = WCD937X_FORMATS,
2698 			.rate_min = 8000,
2699 			.rate_max = 384000,
2700 			.channels_min = 1,
2701 			.channels_max = 4,
2702 		},
2703 		.ops = &wcd937x_sdw_dai_ops,
2704 	},
2705 	[1] = {
2706 		.name = "wcd937x-sdw-tx",
2707 		.capture = {
2708 			.stream_name = "WCD AIF Capture",
2709 			.rates = WCD937X_RATES,
2710 			.formats = WCD937X_FORMATS,
2711 			.rate_min = 8000,
2712 			.rate_max = 192000,
2713 			.channels_min = 1,
2714 			.channels_max = 4,
2715 		},
2716 		.ops = &wcd937x_sdw_dai_ops,
2717 	},
2718 };
2719 
2720 static int wcd937x_bind(struct device *dev)
2721 {
2722 	struct wcd937x_priv *wcd937x = dev_get_drvdata(dev);
2723 	int ret;
2724 
2725 	/* Give the SDW subdevices some more time to settle */
2726 	usleep_range(5000, 5010);
2727 
2728 	ret = component_bind_all(dev, wcd937x);
2729 	if (ret) {
2730 		dev_err(dev, "Slave bind failed, ret = %d\n", ret);
2731 		return ret;
2732 	}
2733 
2734 	wcd937x->rxdev = wcd937x_sdw_device_get(wcd937x->rxnode);
2735 	if (!wcd937x->rxdev) {
2736 		dev_err(dev, "could not find slave with matching of node\n");
2737 		return -EINVAL;
2738 	}
2739 
2740 	wcd937x->sdw_priv[AIF1_PB] = dev_get_drvdata(wcd937x->rxdev);
2741 	wcd937x->sdw_priv[AIF1_PB]->wcd937x = wcd937x;
2742 
2743 	wcd937x->txdev = wcd937x_sdw_device_get(wcd937x->txnode);
2744 	if (!wcd937x->txdev) {
2745 		dev_err(dev, "could not find txslave with matching of node\n");
2746 		return -EINVAL;
2747 	}
2748 
2749 	wcd937x->sdw_priv[AIF1_CAP] = dev_get_drvdata(wcd937x->txdev);
2750 	wcd937x->sdw_priv[AIF1_CAP]->wcd937x = wcd937x;
2751 	wcd937x->tx_sdw_dev = dev_to_sdw_dev(wcd937x->txdev);
2752 	if (!wcd937x->tx_sdw_dev) {
2753 		dev_err(dev, "could not get txslave with matching of dev\n");
2754 		return -EINVAL;
2755 	}
2756 
2757 	/*
2758 	 * As TX is the main CSR reg interface, which should not be suspended first.
2759 	 * expicilty add the dependency link
2760 	 */
2761 	if (!device_link_add(wcd937x->rxdev, wcd937x->txdev,
2762 			     DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME)) {
2763 		dev_err(dev, "Could not devlink TX and RX\n");
2764 		return -EINVAL;
2765 	}
2766 
2767 	if (!device_link_add(dev, wcd937x->txdev,
2768 			     DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME)) {
2769 		dev_err(dev, "Could not devlink WCD and TX\n");
2770 		return -EINVAL;
2771 	}
2772 
2773 	if (!device_link_add(dev, wcd937x->rxdev,
2774 			     DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME)) {
2775 		dev_err(dev, "Could not devlink WCD and RX\n");
2776 		return -EINVAL;
2777 	}
2778 
2779 	wcd937x->regmap = dev_get_regmap(&wcd937x->tx_sdw_dev->dev, NULL);
2780 	if (!wcd937x->regmap) {
2781 		dev_err(dev, "could not get TX device regmap\n");
2782 		return -EINVAL;
2783 	}
2784 
2785 	ret = wcd937x_irq_init(wcd937x, dev);
2786 	if (ret) {
2787 		dev_err(dev, "IRQ init failed: %d\n", ret);
2788 		return ret;
2789 	}
2790 
2791 	wcd937x->sdw_priv[AIF1_PB]->slave_irq = wcd937x->virq;
2792 	wcd937x->sdw_priv[AIF1_CAP]->slave_irq = wcd937x->virq;
2793 
2794 	ret = wcd937x_set_micbias_data(wcd937x);
2795 	if (ret < 0) {
2796 		dev_err(dev, "Bad micbias pdata\n");
2797 		return ret;
2798 	}
2799 
2800 	ret = snd_soc_register_component(dev, &soc_codec_dev_wcd937x,
2801 					 wcd937x_dais, ARRAY_SIZE(wcd937x_dais));
2802 	if (ret)
2803 		dev_err(dev, "Codec registration failed\n");
2804 
2805 	return ret;
2806 }
2807 
2808 static void wcd937x_unbind(struct device *dev)
2809 {
2810 	struct wcd937x_priv *wcd937x = dev_get_drvdata(dev);
2811 
2812 	snd_soc_unregister_component(dev);
2813 	device_link_remove(dev, wcd937x->txdev);
2814 	device_link_remove(dev, wcd937x->rxdev);
2815 	device_link_remove(wcd937x->rxdev, wcd937x->txdev);
2816 	component_unbind_all(dev, wcd937x);
2817 	mutex_destroy(&wcd937x->micb_lock);
2818 }
2819 
2820 static const struct component_master_ops wcd937x_comp_ops = {
2821 	.bind = wcd937x_bind,
2822 	.unbind = wcd937x_unbind,
2823 };
2824 
2825 static int wcd937x_add_slave_components(struct wcd937x_priv *wcd937x,
2826 					struct device *dev,
2827 					struct component_match **matchptr)
2828 {
2829 	struct device_node *np = dev->of_node;
2830 
2831 	wcd937x->rxnode = of_parse_phandle(np, "qcom,rx-device", 0);
2832 	if (!wcd937x->rxnode) {
2833 		dev_err(dev, "Couldn't parse phandle to qcom,rx-device!\n");
2834 		return -ENODEV;
2835 	}
2836 	of_node_get(wcd937x->rxnode);
2837 	component_match_add_release(dev, matchptr, component_release_of,
2838 				    component_compare_of, wcd937x->rxnode);
2839 
2840 	wcd937x->txnode = of_parse_phandle(np, "qcom,tx-device", 0);
2841 	if (!wcd937x->txnode) {
2842 		dev_err(dev, "Couldn't parse phandle to qcom,tx-device\n");
2843 			return -ENODEV;
2844 	}
2845 	of_node_get(wcd937x->txnode);
2846 	component_match_add_release(dev, matchptr, component_release_of,
2847 				    component_compare_of, wcd937x->txnode);
2848 
2849 	return 0;
2850 }
2851 
2852 static int wcd937x_probe(struct platform_device *pdev)
2853 {
2854 	struct component_match *match = NULL;
2855 	struct device *dev = &pdev->dev;
2856 	struct wcd937x_priv *wcd937x;
2857 	struct wcd_mbhc_config *cfg;
2858 	int ret;
2859 
2860 	wcd937x = devm_kzalloc(dev, sizeof(*wcd937x), GFP_KERNEL);
2861 	if (!wcd937x)
2862 		return -ENOMEM;
2863 
2864 	dev_set_drvdata(dev, wcd937x);
2865 	mutex_init(&wcd937x->micb_lock);
2866 
2867 	wcd937x->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
2868 	if (IS_ERR(wcd937x->reset_gpio))
2869 		return dev_err_probe(dev, PTR_ERR(wcd937x->reset_gpio),
2870 				     "failed to reset wcd gpio\n");
2871 
2872 	wcd937x->us_euro_gpio = devm_gpiod_get_optional(dev, "us-euro", GPIOD_OUT_LOW);
2873 	if (IS_ERR(wcd937x->us_euro_gpio))
2874 		return dev_err_probe(dev, PTR_ERR(wcd937x->us_euro_gpio),
2875 				"us-euro swap Control GPIO not found\n");
2876 
2877 	cfg = &wcd937x->mbhc_cfg;
2878 	cfg->swap_gnd_mic = wcd937x_swap_gnd_mic;
2879 
2880 	wcd937x->supplies[0].supply = "vdd-rxtx";
2881 	wcd937x->supplies[1].supply = "vdd-px";
2882 	wcd937x->supplies[2].supply = "vdd-mic-bias";
2883 	wcd937x->supplies[3].supply = "vdd-buck";
2884 
2885 	ret = devm_regulator_bulk_get(dev, WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies);
2886 	if (ret)
2887 		return dev_err_probe(dev, ret, "Failed to get supplies\n");
2888 
2889 	ret = regulator_bulk_enable(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies);
2890 	if (ret) {
2891 		regulator_bulk_free(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies);
2892 		return dev_err_probe(dev, ret, "Failed to enable supplies\n");
2893 	}
2894 
2895 	wcd937x_dt_parse_micbias_info(dev, wcd937x);
2896 
2897 	cfg->mbhc_micbias = MIC_BIAS_2;
2898 	cfg->anc_micbias = MIC_BIAS_2;
2899 	cfg->v_hs_max = WCD_MBHC_HS_V_MAX;
2900 	cfg->num_btn = WCD937X_MBHC_MAX_BUTTONS;
2901 	cfg->micb_mv = wcd937x->micb2_mv;
2902 	cfg->linein_th = 5000;
2903 	cfg->hs_thr = 1700;
2904 	cfg->hph_thr = 50;
2905 
2906 	wcd_dt_parse_mbhc_data(dev, &wcd937x->mbhc_cfg);
2907 
2908 	ret = wcd937x_add_slave_components(wcd937x, dev, &match);
2909 	if (ret)
2910 		goto err_disable_regulators;
2911 
2912 	wcd937x_reset(wcd937x);
2913 
2914 	ret = component_master_add_with_match(dev, &wcd937x_comp_ops, match);
2915 	if (ret)
2916 		goto err_disable_regulators;
2917 
2918 	pm_runtime_set_autosuspend_delay(dev, 1000);
2919 	pm_runtime_use_autosuspend(dev);
2920 	pm_runtime_mark_last_busy(dev);
2921 	pm_runtime_set_active(dev);
2922 	pm_runtime_enable(dev);
2923 	pm_runtime_idle(dev);
2924 
2925 	return 0;
2926 
2927 err_disable_regulators:
2928 	regulator_bulk_disable(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies);
2929 	regulator_bulk_free(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies);
2930 
2931 	return ret;
2932 }
2933 
2934 static void wcd937x_remove(struct platform_device *pdev)
2935 {
2936 	struct device *dev = &pdev->dev;
2937 	struct wcd937x_priv *wcd937x = dev_get_drvdata(dev);
2938 
2939 	component_master_del(&pdev->dev, &wcd937x_comp_ops);
2940 
2941 	pm_runtime_disable(dev);
2942 	pm_runtime_set_suspended(dev);
2943 	pm_runtime_dont_use_autosuspend(dev);
2944 
2945 	regulator_bulk_disable(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies);
2946 	regulator_bulk_free(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies);
2947 }
2948 
2949 #if defined(CONFIG_OF)
2950 static const struct of_device_id wcd937x_of_match[] = {
2951 	{ .compatible = "qcom,wcd9370-codec" },
2952 	{ .compatible = "qcom,wcd9375-codec" },
2953 	{ }
2954 };
2955 MODULE_DEVICE_TABLE(of, wcd937x_of_match);
2956 #endif
2957 
2958 static struct platform_driver wcd937x_codec_driver = {
2959 	.probe = wcd937x_probe,
2960 	.remove = wcd937x_remove,
2961 	.driver = {
2962 		.name = "wcd937x_codec",
2963 		.of_match_table = of_match_ptr(wcd937x_of_match),
2964 		.suppress_bind_attrs = true,
2965 	},
2966 };
2967 
2968 module_platform_driver(wcd937x_codec_driver);
2969 MODULE_DESCRIPTION("WCD937X Codec driver");
2970 MODULE_LICENSE("GPL");
2971